113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* Authors: Karl MacMillan <kmacmillan@mentalrootkit.com> 213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Jason Tang <jtang@tresys.com> 313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Joshua Brindle <jbrindle@tresys.com> 413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * 513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Copyright (C) 2004-2005 Tresys Technology, LLC 613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Copyright (C) 2007 Red Hat, Inc. 713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * 813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * This library is free software; you can redistribute it and/or 913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * modify it under the terms of the GNU Lesser General Public 1013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * License as published by the Free Software Foundation; either 1113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * version 2.1 of the License, or (at your option) any later version. 1213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * 1313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * This library is distributed in the hope that it will be useful, 1413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * but WITHOUT ANY WARRANTY; without even the implied warranty of 1513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Lesser General Public License for more details. 1713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * 1813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * You should have received a copy of the GNU Lesser General Public 1913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * License along with this library; if not, write to the Free Software 2013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 2113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 2213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include "context.h" 2413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <sepol/policydb/policydb.h> 2513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <sepol/policydb/conditional.h> 2613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <sepol/policydb/hashtab.h> 2713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <sepol/policydb/expand.h> 2813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <sepol/policydb/hierarchy.h> 2913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <sepol/policydb/avrule_block.h> 3013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <stdlib.h> 3213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <stdarg.h> 3313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <stdio.h> 3413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <string.h> 3513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include <assert.h> 3613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include "debug.h" 3813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#include "private.h" 3913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 4013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindletypedef struct expand_state { 4113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int verbose; 4213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t *typemap; 4313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t *boolmap; 4413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t *rolemap; 4513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t *usermap; 4613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t *base; 4713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t *out; 4813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle sepol_handle_t *handle; 4913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int expand_neverallow; 5013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} expand_state_t; 5113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 5213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic void expand_state_init(expand_state_t * state) 5313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 5413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(state, 0, sizeof(expand_state_t)); 5513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 5613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 5713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int map_ebitmap(ebitmap_t * src, ebitmap_t * dst, uint32_t * map) 5813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 5913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 6013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *tnode; 6113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(dst); 6213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 6313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(src, tnode, i) { 6413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, i)) 6513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 6613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!map[i]) 6713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 6813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(dst, map[i] - 1, 1)) 6913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 7013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 7113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 7213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 7313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 7413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int type_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 7513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 7613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 7713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 7813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 7913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *type, *new_type; 8013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 8113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 8213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 8313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type = (type_datum_t *) datum; 8413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 8513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 8613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((type->flavor == TYPE_TYPE && !type->primary) 8713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle || type->flavor == TYPE_ALIAS) { 8813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* aliases are handled later */ 8913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 9013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 9113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_TYPES)) { 9213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 9313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 9413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 9513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 9613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 9713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying type or attribute %s", id); 9813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 9913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 10013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_id == NULL) { 10113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 10213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 10313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 10413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 10513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_type = (type_datum_t *) malloc(sizeof(type_datum_t)); 10613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_type) { 10713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 10813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 10913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return SEPOL_ENOMEM; 11013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 11113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_type, 0, sizeof(type_datum_t)); 11213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 11313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_type->flavor = type->flavor; 11413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_type->flags = type->flags; 11513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_type->s.value = ++state->out->p_types.nprim; 11613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_type->s.value > UINT16_MAX) { 11713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 11813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_type); 11913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "type space overflow"); 12013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 12113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 12213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_type->primary = 1; 12313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->typemap[type->s.value - 1] = new_type->s.value; 12413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 12513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_types.table, 12613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 12713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_type); 12813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 12913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 13013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_type); 13113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 13213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 13313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 13413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 13513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_type->flags & TYPE_FLAGS_PERMISSIVE) 13613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&state->out->permissive_map, new_type->s.value, 1)) { 13713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!\n"); 13813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 13913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 14013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 14113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 14213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 14313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 14413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int attr_convert_callback(hashtab_key_t key, hashtab_datum_t datum, 14513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 14613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 14713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id; 14813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *type, *new_type; 14913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 15013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t tmp_union; 15113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 15213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 15313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type = (type_datum_t *) datum; 15413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 15513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 15613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (type->flavor != TYPE_ATTRIB) 15713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 15813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 15913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_TYPES)) { 16013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 16113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 16213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 16313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 16413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 16513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "converting attribute %s", id); 16613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 16713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_type = hashtab_search(state->out->p_types.table, id); 16813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_type) { 16913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "attribute %s vanished!", id); 17013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 17113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 17213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&type->types, &tmp_union, state->typemap)) { 17313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "out of memory"); 17413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 17513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 17613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 17713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* then union tmp_union onto &new_type->types */ 17813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union(&new_type->types, &tmp_union)) { 17913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 18013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 18113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 18213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union); 18313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 18413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 18513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 18613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 18713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int perm_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 18813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 18913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 19013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 19113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 19213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle symtab_t *s; 19313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle perm_datum_t *perm, *new_perm; 19413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 19513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = key; 19613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle perm = (perm_datum_t *) datum; 19713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle s = (symtab_t *) data; 19813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 19913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_perm = (perm_datum_t *) malloc(sizeof(perm_datum_t)); 20013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_perm) { 20113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 20213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 20313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_perm, 0, sizeof(perm_datum_t)); 20413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 20513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 20613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 20713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_perm); 20813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 20913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 21013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 21113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_perm->s.value = perm->s.value; 21213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle s->nprim++; 21313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 21413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(s->table, new_id, (hashtab_datum_t *) new_perm); 21513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 21613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 21713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_perm); 21813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 21913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 22013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 22113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 22213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 22313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 22413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int common_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 22513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 22613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 22713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 22813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 22913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle common_datum_t *common, *new_common; 23013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 23113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 23213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 23313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle common = (common_datum_t *) datum; 23413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 23513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 23613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 23713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying common %s", id); 23813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 23913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_common = (common_datum_t *) malloc(sizeof(common_datum_t)); 24013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_common) { 24113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 24213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 24313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 24413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_common, 0, sizeof(common_datum_t)); 24513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (symtab_init(&new_common->permissions, PERM_SYMTAB_SIZE)) { 24613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 24713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_common); 24813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 24913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 25013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 25113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 25213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 25313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 25492788715dc793f805b0ae56844216b844a34ea22Alice Chu /* free memory created by symtab_init first, then free new_common */ 25592788715dc793f805b0ae56844216b844a34ea22Alice Chu symtab_destroy(&new_common->permissions); 25613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_common); 25713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 25813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 25913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 26013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_common->s.value = common->s.value; 26113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_commons.nprim++; 26213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 26313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = 26413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle hashtab_insert(state->out->p_commons.table, new_id, 26513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t *) new_common); 26613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 26713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 26813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_common); 26913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 27013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 27113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 27213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 27313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 27413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (common->permissions.table, perm_copy_callback, 27513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_common->permissions)) { 27613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 27713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 27813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 27913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 28013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 28113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 28213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 28313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int constraint_node_clone(constraint_node_t ** dst, 28413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_node_t * src, 28513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t * state) 28613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 28713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_node_t *new_con = NULL, *last_new_con = NULL; 28813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_expr_t *new_expr = NULL; 28913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *dst = NULL; 29013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (src != NULL) { 29113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_expr_t *expr, *expr_l = NULL; 29213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_con = 29313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (constraint_node_t *) malloc(sizeof(constraint_node_t)); 29413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_con) { 29513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 29613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 29713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_con, 0, sizeof(constraint_node_t)); 29813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_con->permissions = src->permissions; 29913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (expr = src->expr; expr; expr = expr->next) { 30013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((new_expr = calloc(1, sizeof(*new_expr))) == NULL) { 30113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 30213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 30313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (constraint_expr_init(new_expr) == -1) { 30413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 30513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 30613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_expr->expr_type = expr->expr_type; 30713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_expr->attr = expr->attr; 30813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_expr->op = expr->op; 30913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_expr->expr_type == CEXPR_NAMES) { 31013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_expr->attr & CEXPR_TYPE) { 3119eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines /* 3129eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines * Copy over constraint policy source types and/or 3139eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines * attributes for sepol_compute_av_reason_buffer(3) 3149eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines * so that utilities can analyse constraint errors. 3159eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines */ 3169eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines if (map_ebitmap(&expr->type_names->types, 3179eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines &new_expr->type_names->types, 3189eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines state->typemap)) { 3199eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines ERR(NULL, "Failed to map type_names->types"); 3209eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines goto out_of_mem; 3219eefe11b3a94307a3f5432316a59d1f8e3268429Richard Haines } 32213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Type sets require expansion and conversion. */ 32313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set(state->out, 32413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state-> 32513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle typemap, 32613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expr-> 32713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_names, 32813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_expr-> 32913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle names, 1)) { 33013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 33113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 33213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (new_expr->attr & CEXPR_ROLE) { 33313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&expr->names, &new_expr->names, state->rolemap)) { 33413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 33513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 33613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (new_expr->attr & CEXPR_USER) { 33713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&expr->names, &new_expr->names, state->usermap)) { 33813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 33913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 34013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 34113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Other kinds of sets do not. */ 34213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&new_expr->names, 34313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &expr->names)) { 34413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 34513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 34613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 34713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 34813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expr_l) { 34913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expr_l->next = new_expr; 35013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 35113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_con->expr = new_expr; 35213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 35313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expr_l = new_expr; 35413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_expr = NULL; 35513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 35613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (last_new_con == NULL) { 35713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *dst = new_con; 35813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 35913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle last_new_con->next = new_con; 36013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 36113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle last_new_con = new_con; 36213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle src = src->next; 36313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 36413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 36513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 36613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out_of_mem: 36713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 36813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_con) 36913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_con); 37013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_expr_destroy(new_expr); 37113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 37213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 37313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 37409c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Parisstatic int class_copy_default_new_object(expand_state_t *state, 37509c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris class_datum_t *olddatum, 37609c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris class_datum_t *newdatum) 37709c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris{ 37809c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris if (olddatum->default_user) { 37909c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris if (newdatum->default_user && olddatum->default_user != newdatum->default_user) { 38009c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris ERR(state->handle, "Found conflicting default user definitions"); 38109c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris return SEPOL_ENOTSUP; 38209c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris } 38309c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris newdatum->default_user = olddatum->default_user; 38409c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris 38509c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris } 38609c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris if (olddatum->default_role) { 38709c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris if (newdatum->default_role && olddatum->default_role != newdatum->default_role) { 38809c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris ERR(state->handle, "Found conflicting default role definitions"); 38909c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris return SEPOL_ENOTSUP; 39009c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris } 39109c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris newdatum->default_role = olddatum->default_role; 39209c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris } 393693f5241fdd5ae7e89d4312b85443c0fc1b1a57dEric Paris if (olddatum->default_type) { 394693f5241fdd5ae7e89d4312b85443c0fc1b1a57dEric Paris if (newdatum->default_type && olddatum->default_type != newdatum->default_type) { 395693f5241fdd5ae7e89d4312b85443c0fc1b1a57dEric Paris ERR(state->handle, "Found conflicting default type definitions"); 396693f5241fdd5ae7e89d4312b85443c0fc1b1a57dEric Paris return SEPOL_ENOTSUP; 397693f5241fdd5ae7e89d4312b85443c0fc1b1a57dEric Paris } 398693f5241fdd5ae7e89d4312b85443c0fc1b1a57dEric Paris newdatum->default_type = olddatum->default_type; 399693f5241fdd5ae7e89d4312b85443c0fc1b1a57dEric Paris } 40009c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris if (olddatum->default_range) { 40109c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris if (newdatum->default_range && olddatum->default_range != newdatum->default_range) { 40209c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris ERR(state->handle, "Found conflicting default range definitions"); 40309c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris return SEPOL_ENOTSUP; 40409c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris } 40509c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris newdatum->default_range = olddatum->default_range; 40609c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris } 40709c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris return 0; 40809c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris} 40909c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris 41013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int class_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 41113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 41213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 41313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 41413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 41513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_datum_t *class, *new_class; 41613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 41713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 41813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 41913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class = (class_datum_t *) datum; 42013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 42113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 42213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_CLASSES)) { 42313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 42413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 42513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 42613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 42713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 42813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying class %s", id); 42913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 43013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class = (class_datum_t *) malloc(sizeof(class_datum_t)); 43113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_class) { 43213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 43313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 43413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 43513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_class, 0, sizeof(class_datum_t)); 43613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (symtab_init(&new_class->permissions, PERM_SYMTAB_SIZE)) { 43713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 43813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_class); 43913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 44013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 44113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 44213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->s.value = class->s.value; 44313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_classes.nprim++; 44413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 44509c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris ret = class_copy_default_new_object(state, class, new_class); 44609c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris if (ret) { 44709c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris free(new_class); 44809c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris return ret; 44909c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris } 45009c783c9a36cd47216df827c5d2c21ec8cd613e2Eric Paris 45113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 45213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 45313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 45413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_class); 45513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 45613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 45713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 45813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = 45913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle hashtab_insert(state->out->p_classes.table, new_id, 46013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t *) new_class); 46113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 46213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 46313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_class); 46413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 46513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 46613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 46713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 46813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 46913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (class->permissions.table, perm_copy_callback, 47013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_class->permissions)) { 47113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 47213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 47313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 47413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 47513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (class->comkey) { 47613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comkey = strdup(class->comkey); 47713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_class->comkey) { 47813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 47913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 48013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 48113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 48213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comdatum = 48313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle hashtab_search(state->out->p_commons.table, 48413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comkey); 48513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_class->comdatum) { 48613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "could not find common datum %s", 48713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comkey); 48813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 48913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 49013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->permissions.nprim += 49113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comdatum->permissions.nprim; 49213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 49313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 49413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 49513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 49613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 49713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int constraint_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 49813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 49913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 50013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id; 50113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_datum_t *class, *new_class; 50213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 50313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 50413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 50513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class = (class_datum_t *) datum; 50613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 50713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 50813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class = hashtab_search(state->out->p_classes.table, id); 50913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_class) { 51013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "class %s vanished", id); 51113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 51213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 51313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 51413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* constraints */ 51513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (constraint_node_clone 51613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (&new_class->constraints, class->constraints, state) == -1 51713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle || constraint_node_clone(&new_class->validatetrans, 51813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class->validatetrans, state) == -1) { 51913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 52013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 52113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 52213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 52313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 524f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle/* 525f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle * The boundaries have to be copied after the types/roles/users are copied, 526f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle * because it refers hashtab to lookup destinated objects. 527f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle */ 528f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindlestatic int type_bounds_copy_callback(hashtab_key_t key, 529f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle hashtab_datum_t datum, void *data) 530f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle{ 531f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle expand_state_t *state = (expand_state_t *) data; 532f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle type_datum_t *type = (type_datum_t *) datum; 533f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle type_datum_t *dest; 534f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle uint32_t bounds_val; 535f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 536f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!type->bounds) 537f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 538f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 539f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!is_id_enabled((char *)key, state->base, SYM_TYPES)) 540f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 541f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 542f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle bounds_val = state->typemap[type->bounds - 1]; 543f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 544f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest = hashtab_search(state->out->p_types.table, (char *)key); 545f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!dest) { 546f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Type lookup failed for %s", (char *)key); 547f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 548f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 549f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (dest->bounds != 0 && dest->bounds != bounds_val) { 550f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Inconsistent boundary for %s", (char *)key); 551f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 552f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 553f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest->bounds = bounds_val; 554f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 555f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 556f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle} 557f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 558f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindlestatic int role_bounds_copy_callback(hashtab_key_t key, 559f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle hashtab_datum_t datum, void *data) 560f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle{ 561f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle expand_state_t *state = (expand_state_t *) data; 562f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle role_datum_t *role = (role_datum_t *) datum; 563f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle role_datum_t *dest; 564f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle uint32_t bounds_val; 565f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 566f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!role->bounds) 567f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 568f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 569f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!is_id_enabled((char *)key, state->base, SYM_ROLES)) 570f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 571f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 572f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle bounds_val = state->rolemap[role->bounds - 1]; 573f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 574f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest = hashtab_search(state->out->p_roles.table, (char *)key); 575f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!dest) { 576f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Role lookup failed for %s", (char *)key); 577f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 578f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 579f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (dest->bounds != 0 && dest->bounds != bounds_val) { 580f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Inconsistent boundary for %s", (char *)key); 581f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 582f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 583f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest->bounds = bounds_val; 584f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 585f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 586f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle} 587f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 588f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindlestatic int user_bounds_copy_callback(hashtab_key_t key, 589f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle hashtab_datum_t datum, void *data) 590f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle{ 591f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle expand_state_t *state = (expand_state_t *) data; 592f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle user_datum_t *user = (user_datum_t *) datum; 593f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle user_datum_t *dest; 594f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle uint32_t bounds_val; 595f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 596f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!user->bounds) 597f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 598f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 599f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!is_id_enabled((char *)key, state->base, SYM_USERS)) 600f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 601f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 602f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle bounds_val = state->usermap[user->bounds - 1]; 603f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 604f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest = hashtab_search(state->out->p_users.table, (char *)key); 605f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!dest) { 606f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "User lookup failed for %s", (char *)key); 607f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 608f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 609f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (dest->bounds != 0 && dest->bounds != bounds_val) { 610f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Inconsistent boundary for %s", (char *)key); 611f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 612f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 613f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest->bounds = bounds_val; 614f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 615f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 616f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle} 617f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 61813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* The aliases have to be copied after the types and attributes to be certain that 61913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * the out symbol table will have the type that the alias refers. Otherwise, we 62013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * won't be able to find the type value for the alias. We can't depend on the 62113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * declaration ordering because of the hash table. 62213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 62313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int alias_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 62413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 62513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 62613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 62713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 62813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *alias, *new_alias; 62913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 630e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle uint32_t prival; 63113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 63213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 63313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle alias = (type_datum_t *) datum; 63413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 63513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 63613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* ignore regular types */ 63713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (alias->flavor == TYPE_TYPE && alias->primary) 63813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 63913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 64013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* ignore attributes */ 64113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (alias->flavor == TYPE_ATTRIB) 64213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 64313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 644e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle if (alias->flavor == TYPE_ALIAS) 645e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle prival = alias->primary; 646e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle else 647e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle prival = alias->s.value; 648e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle 649e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle if (!is_id_enabled(state->base->p_type_val_to_name[prival - 1], 650e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle state->base, SYM_TYPES)) { 651e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle /* The primary type for this alias is not enabled, the alias 652e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle * shouldn't be either */ 653e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle return 0; 654e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle } 655e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle 65613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 65713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying alias %s", id); 65813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 65913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 66013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 66113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 66213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 66313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 66413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 66513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_alias = (type_datum_t *) malloc(sizeof(type_datum_t)); 66613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_alias) { 66713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 66813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 66913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return SEPOL_ENOMEM; 67013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 67113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_alias, 0, sizeof(type_datum_t)); 67213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (alias->flavor == TYPE_TYPE) 67313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_alias->s.value = state->typemap[alias->s.value - 1]; 67413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else if (alias->flavor == TYPE_ALIAS) 67513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_alias->s.value = state->typemap[alias->primary - 1]; 67613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else 67713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* unreachable */ 67813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 67913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_alias->flags = alias->flags; 68013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 68113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_types.table, 68213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 68313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_alias); 68413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 68513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 68613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 68713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_alias); 68813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 68913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 69013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 69113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 69213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->typemap[alias->s.value - 1] = new_alias->s.value; 69313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 69413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_alias->flags & TYPE_FLAGS_PERMISSIVE) 69513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&state->out->permissive_map, new_alias->s.value, 1)) { 69613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 69713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 69813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 69913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 70013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 70113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 70213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 70313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int role_remap_dominates(hashtab_key_t key __attribute__ ((unused)), hashtab_datum_t datum, void *data) 70413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 70513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t mapped_roles; 70613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_datum_t *role = (role_datum_t *) datum; 70713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state = (expand_state_t *) data; 70813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 70913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&role->dominates, &mapped_roles, state->rolemap)) 71013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 71113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 71213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&role->dominates); 71313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 71413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&role->dominates, &mapped_roles)) 71513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 71613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 71713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&mapped_roles); 71813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 71913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 72013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 72113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 722d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao/* For the role attribute in the base module, escalate its counterpart's 723d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * types.types ebitmap in the out module to the counterparts of all the 724d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * regular role that belongs to the current role attribute. Note, must be 725d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * invoked after role_copy_callback so that state->rolemap is available. 726d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao */ 727d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciaostatic int role_fix_callback(hashtab_key_t key, hashtab_datum_t datum, 728d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao void *data) 729d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao{ 730d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao char *id, *base_reg_role_id; 731d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao role_datum_t *role, *new_role, *regular_role; 732d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao expand_state_t *state; 733d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_node_t *rnode; 734d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao unsigned int i; 735d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_t mapped_roles; 736d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 737d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao id = key; 738d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao role = (role_datum_t *)datum; 739d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao state = (expand_state_t *)data; 740d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 741d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (strcmp(id, OBJECT_R) == 0) { 742d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao /* object_r is never a role attribute by far */ 743d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return 0; 744d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 745d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 7462ef297d4c80b7e55d9a33e20b44c540ffc6ad351Harry Ciao if (!is_id_enabled(id, state->base, SYM_ROLES)) { 7472ef297d4c80b7e55d9a33e20b44c540ffc6ad351Harry Ciao /* identifier's scope is not enabled */ 7482ef297d4c80b7e55d9a33e20b44c540ffc6ad351Harry Ciao return 0; 7492ef297d4c80b7e55d9a33e20b44c540ffc6ad351Harry Ciao } 7502ef297d4c80b7e55d9a33e20b44c540ffc6ad351Harry Ciao 751d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (role->flavor != ROLE_ATTRIB) 752d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return 0; 753d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 754d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (state->verbose) 755d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao INFO(state->handle, "fixing role attribute %s", id); 756d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 757d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao new_role = 758d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao (role_datum_t *)hashtab_search(state->out->p_roles.table, id); 759d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 760d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao assert(new_role != NULL && new_role->flavor == ROLE_ATTRIB); 761d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 762d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_init(&mapped_roles); 763d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (map_ebitmap(&role->roles, &mapped_roles, state->rolemap)) 764d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return -1; 765d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (ebitmap_union(&new_role->roles, &mapped_roles)) { 766d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ERR(state->handle, "Out of memory!"); 767d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_destroy(&mapped_roles); 768d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return -1; 769d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 770d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_destroy(&mapped_roles); 771d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 772d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_for_each_bit(&role->roles, rnode, i) { 773d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (ebitmap_node_get_bit(rnode, i)) { 774d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao /* take advantage of sym_val_to_name[] 775d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * of the base module */ 776d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao base_reg_role_id = state->base->p_role_val_to_name[i]; 777d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao regular_role = (role_datum_t *)hashtab_search( 778d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao state->out->p_roles.table, 779d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao base_reg_role_id); 780d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao assert(regular_role != NULL && 781d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao regular_role->flavor == ROLE_ROLE); 782d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 783d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (ebitmap_union(®ular_role->types.types, 784d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao &new_role->types.types)) { 785d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ERR(state->handle, "Out of memory!"); 786d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return -1; 787d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 788d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 789d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 790d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 791d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return 0; 792d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao} 793d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 79413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int role_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 79513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 79613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 79713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 79813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 79913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_datum_t *role; 80013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_datum_t *new_role; 80113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 80213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t tmp_union_types; 80313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 80413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = key; 80513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role = (role_datum_t *) datum; 80613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 80713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 80813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (strcmp(id, OBJECT_R) == 0) { 80913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* object_r is always value 1 */ 81013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->rolemap[role->s.value - 1] = 1; 81113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 81213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 81313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 81413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_ROLES)) { 81513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 81613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 81713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 81813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 81913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 82013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying role %s", id); 82113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 82213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_role = 82313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (role_datum_t *) hashtab_search(state->out->p_roles.table, id); 82413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_role) { 82513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_role = (role_datum_t *) malloc(sizeof(role_datum_t)); 82613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_role) { 82713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 82813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 82913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 83013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_role, 0, sizeof(role_datum_t)); 83113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 83213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 83313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 83413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 835afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris free(new_role); 83613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 83713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 83813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 83913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_roles.nprim++; 840d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao new_role->flavor = role->flavor; 84113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_role->s.value = state->out->p_roles.nprim; 84213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->rolemap[role->s.value - 1] = new_role->s.value; 84313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_roles.table, 84413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 84513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_role); 84613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 84713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 84813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 84913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_role); 85013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 85113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 85213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 85313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 85413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 85513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* The dominates bitmap is going to be wrong for the moment, 85613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * we'll come back later and remap them, after we are sure all 85713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * the roles have been added */ 85813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union(&new_role->dominates, &role->dominates)) { 85913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 86013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 86113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 86213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 86313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&tmp_union_types); 86413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 86513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* convert types in the role datum in the global symtab */ 86613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 86713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, state->typemap, &role->types, &tmp_union_types, 1)) { 86813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union_types); 86913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 87013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 87113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 87213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 87313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union(&new_role->types.types, &tmp_union_types)) { 87413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 87513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union_types); 87613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 87713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 87813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union_types); 87913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 88013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 88113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 88213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 88313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint mls_semantic_level_expand(mls_semantic_level_t * sl, mls_level_t * l, 88413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * p, sepol_handle_t * h) 88513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 88613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_semantic_cat_t *cat; 88713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle level_datum_t *levdatum; 88813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 88913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 89013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_init(l); 89113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 89213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!p->mls) 89313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 89413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 89513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Required not declared. */ 89613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!sl->sens) 89713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 89813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 89913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l->sens = sl->sens; 90013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle levdatum = (level_datum_t *) hashtab_search(p->p_levels.table, 901afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris p->p_sens_val_to_name[l->sens - 1]); 902afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris if (!levdatum) { 903afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris ERR(h, "%s: Impossible situation found, nothing in p_levels.table.\n", 904afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris __func__); 905afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris errno = ENOENT; 906afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris return -1; 907afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris } 90813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (cat = sl->cat; cat; cat = cat->next) { 90913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cat->low > cat->high) { 91013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(h, "Category range is not valid %s.%s", 91113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_cat_val_to_name[cat->low - 1], 91213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_cat_val_to_name[cat->high - 1]); 91313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 91413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 91513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = cat->low - 1; i < cat->high; i++) { 91613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_get_bit(&levdatum->level->cat, i)) { 917e7694874c20efaf6670f6639b0383077015b8d0cChris PeBenito ERR(h, "Category %s can not be associated with " 91813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "level %s", 91913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_cat_val_to_name[i], 92013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_sens_val_to_name[l->sens - 1]); 921e7694874c20efaf6670f6639b0383077015b8d0cChris PeBenito return -1; 92213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 92313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&l->cat, i, 1)) { 92413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(h, "Out of memory!"); 92513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 92613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 92713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 92813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 92913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 93013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 93113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 93213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 93313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint mls_semantic_range_expand(mls_semantic_range_t * sr, mls_range_t * r, 93413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * p, sepol_handle_t * h) 93513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 93613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_level_expand(&sr->level[0], &r->level[0], p, h) < 0) 93713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 93813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 93913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_level_expand(&sr->level[1], &r->level[1], p, h) < 0) { 94013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_semantic_level_destroy(&sr->level[0]); 94113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 94213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 94313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 94413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!mls_level_dom(&r->level[1], &r->level[0])) { 94513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(r); 94613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(h, "MLS range high level does not dominate low level"); 94713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 94813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 94913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 95013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 95113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 95213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 95313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int user_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 95413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 95513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 95613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 95713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 95813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle user_datum_t *user; 95913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle user_datum_t *new_user; 96013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 96113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t tmp_union; 96213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 96313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = key; 96413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle user = (user_datum_t *) datum; 96513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 96613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 96713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_USERS)) { 96813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 96913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 97013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 97113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 97213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 97313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying user %s", id); 97413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 97513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_user = 97613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (user_datum_t *) hashtab_search(state->out->p_users.table, id); 97713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_user) { 97813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_user = (user_datum_t *) malloc(sizeof(user_datum_t)); 97913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_user) { 98013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 98113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 98213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 98313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_user, 0, sizeof(user_datum_t)); 98413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 98513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_users.nprim++; 98613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_user->s.value = state->out->p_users.nprim; 98713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->usermap[user->s.value - 1] = new_user->s.value; 98813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 98913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 99013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 99113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 992afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris free(new_user); 99313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 99413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 99513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_users.table, 99613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 99713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_user); 99813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 99913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 100013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle user_datum_destroy(new_user); 100113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_user); 100213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 100313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 100413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 100513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 100613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* expand the semantic MLS info */ 100713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_range_expand(&user->range, 100813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_user->exp_range, 100913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out, state->handle)) { 101013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 101113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 101213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_level_expand(&user->dfltlevel, 101313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_user->exp_dfltlevel, 101413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out, state->handle)) { 101513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 101613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 101713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!mls_level_between(&new_user->exp_dfltlevel, 101813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_user->exp_range.level[0], 101913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_user->exp_range.level[1])) { 102013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "default level not within user " 102113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "range"); 102213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 102313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 102413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 102513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* require that the MLS info match */ 102613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_t tmp_range; 102713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_t tmp_level; 102813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 102913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_range_expand(&user->range, &tmp_range, 103013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out, state->handle)) { 103113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 103213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 103313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_level_expand(&user->dfltlevel, &tmp_level, 103413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out, state->handle)) { 103513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(&tmp_range); 103613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 103713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 103813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!mls_range_eq(&new_user->exp_range, &tmp_range) || 103913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle !mls_level_eq(&new_user->exp_dfltlevel, &tmp_level)) { 104013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(&tmp_range); 104113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_destroy(&tmp_level); 104213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 104313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 104413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(&tmp_range); 104513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_destroy(&tmp_level); 104613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 104713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 104813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&tmp_union); 104913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 105013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* get global roles for this user */ 10513592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role_set_expand(&user->roles, &tmp_union, state->out, state->base, state->rolemap)) { 105213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 105313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union); 105413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 105513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 105613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 105713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union(&new_user->roles.roles, &tmp_union)) { 105813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 105913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union); 106013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 106113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 106213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union); 106313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 106413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 106513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 106613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 106713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int bool_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 106813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 106913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 107013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 107113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 107213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_bool_datum_t *bool, *new_bool; 107313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 107413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 107513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = key; 107613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle bool = (cond_bool_datum_t *) datum; 107713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 107813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 107913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_BOOLS)) { 108013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 108113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 108213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 108313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 10845722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao if (bool->flags & COND_BOOL_FLAGS_TUNABLE) { 10855722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao /* Skip tunables */ 10865722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao return 0; 10875722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao } 10885722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao 108913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 109013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying boolean %s", id); 109113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 109213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_bool = (cond_bool_datum_t *) malloc(sizeof(cond_bool_datum_t)); 109313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_bool) { 109413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 109513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 109613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 109713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 109813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 109913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 110013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 110113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_bool); 110213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 110313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 110413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 110513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_bools.nprim++; 110613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_bool->s.value = state->out->p_bools.nprim; 110713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 110813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_bools.table, 110913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 111013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_bool); 111113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 111213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 111313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_bool); 111413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 111513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 111613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 111713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 111813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->boolmap[bool->s.value - 1] = new_bool->s.value; 111913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 112013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_bool->state = bool->state; 11215722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao new_bool->flags = bool->flags; 112213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 112313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 112413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 112513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 112613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int sens_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 112713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 112813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 112913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state = (expand_state_t *) data; 113013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle level_datum_t *level = (level_datum_t *) datum, *new_level = NULL; 113113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id = (char *)key, *new_id = NULL; 113213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 113313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_LEVELS)) { 113413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 113513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 113613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 113713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 113813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 113913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying sensitivity level %s", id); 114013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 114113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_level = (level_datum_t *) malloc(sizeof(level_datum_t)); 114213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_level) 114313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 114413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle level_datum_init(new_level); 114513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_level->level = (mls_level_t *) malloc(sizeof(mls_level_t)); 114613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_level->level) 114713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 114813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_init(new_level->level); 114913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 115013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) 115113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 115213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 115313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_level_cpy(new_level->level, level->level)) { 115413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 115513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 115613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_level->isalias = level->isalias; 115713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_levels.nprim++; 115813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 115913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_insert(state->out->p_levels.table, 116013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 116113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_level)) { 116213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 116313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 116413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 116513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 116613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out_of_mem: 116713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 116813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_level != NULL && new_level->level != NULL) { 116913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_destroy(new_level->level); 117013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_level->level); 117113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 117213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle level_datum_destroy(new_level); 117313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_level); 117413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 117513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 117613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 117713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 117813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int cats_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 117913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 118013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 118113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state = (expand_state_t *) data; 118213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cat_datum_t *cat = (cat_datum_t *) datum, *new_cat = NULL; 118313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id = (char *)key, *new_id = NULL; 118413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 118513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_CATS)) { 118613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 118713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 118813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 118913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 119013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 119113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying category attribute %s", id); 119213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 119313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cat = (cat_datum_t *) malloc(sizeof(cat_datum_t)); 119413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_cat) 119513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 119613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cat_datum_init(new_cat); 119713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 119813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) 119913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 120013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 120113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cat->s.value = cat->s.value; 120213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cat->isalias = cat->isalias; 120313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_cats.nprim++; 120413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_insert(state->out->p_cats.table, 120513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, (hashtab_datum_t) new_cat)) { 120613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 120713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 120813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 120913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 121013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 121113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out_of_mem: 121213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 121313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cat_datum_destroy(new_cat); 121413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_cat); 121513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 121613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 121713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 121813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 121913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int copy_role_allows(expand_state_t * state, role_allow_rule_t * rules) 122013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 122113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j; 122213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_allow_t *cur_allow, *n, *l; 122313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_allow_rule_t *cur; 122413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t roles, new_roles; 122513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode; 122613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 122713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* start at the end of the list */ 122813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (l = state->out->role_allow; l && l->next; l = l->next) ; 122913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 123013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = rules; 123113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 123213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&roles); 123313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&new_roles); 123413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 12353592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role_set_expand(&cur->roles, &roles, state->out, state->base, state->rolemap)) { 123613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 123713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 123813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 123913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 12403592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role_set_expand(&cur->new_roles, &new_roles, state->out, state->base, state->rolemap)) { 124113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 124213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 124313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 124413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 124513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&roles, snode, i) { 124613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 124713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 124813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&new_roles, tnode, j) { 124913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 125013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 125113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* check for duplicates */ 125213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_allow = state->out->role_allow; 125313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur_allow) { 125413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((cur_allow->role == i + 1) && 125513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (cur_allow->new_role == j + 1)) 125613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 125713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_allow = cur_allow->next; 125813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 125913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cur_allow) 126013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 126113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n = (role_allow_t *) 126213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle malloc(sizeof(role_allow_t)); 126313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!n) { 126413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 126513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 126613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 126713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(n, 0, sizeof(role_allow_t)); 126813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->role = i + 1; 126913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->new_role = j + 1; 127013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (l) { 127113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l->next = n; 127213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 127313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->role_allow = n; 127413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 127513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = n; 127613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 127713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 127813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 127913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&roles); 128013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&new_roles); 128113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 128213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 128313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 128413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 128513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 128613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 128713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 128813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int copy_role_trans(expand_state_t * state, role_trans_rule_t * rules) 128913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 12906db9b74210197f792a52038abbd10e946e99e49dHarry Ciao unsigned int i, j, k; 129113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_trans_t *n, *l, *cur_trans; 129213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_trans_rule_t *cur; 129313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t roles, types; 12946db9b74210197f792a52038abbd10e946e99e49dHarry Ciao ebitmap_node_t *rnode, *tnode, *cnode; 129513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 129613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* start at the end of the list */ 129713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (l = state->out->role_tr; l && l->next; l = l->next) ; 129813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 129913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = rules; 130013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 130113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&roles); 130213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&types); 130313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 13043592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role_set_expand(&cur->roles, &roles, state->out, state->base, state->rolemap)) { 130513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 130613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 130713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 130813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 130913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, state->typemap, &cur->types, &types, 1)) { 131013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 131113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 131213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 131313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&roles, rnode, i) { 131413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(rnode, i)) 131513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 131613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&types, tnode, j) { 131713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 131813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 13196db9b74210197f792a52038abbd10e946e99e49dHarry Ciao ebitmap_for_each_bit(&cur->classes, cnode, k) { 13206db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if (!ebitmap_node_get_bit(cnode, k)) 13216db9b74210197f792a52038abbd10e946e99e49dHarry Ciao continue; 13226db9b74210197f792a52038abbd10e946e99e49dHarry Ciao 13236db9b74210197f792a52038abbd10e946e99e49dHarry Ciao cur_trans = state->out->role_tr; 13246db9b74210197f792a52038abbd10e946e99e49dHarry Ciao while (cur_trans) { 13251867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris unsigned int mapped_role; 13261867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris 13271867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris mapped_role = state->rolemap[cur->new_role - 1]; 13281867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris 13296db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if ((cur_trans->role == 13306db9b74210197f792a52038abbd10e946e99e49dHarry Ciao i + 1) && 13316db9b74210197f792a52038abbd10e946e99e49dHarry Ciao (cur_trans->type == 13326db9b74210197f792a52038abbd10e946e99e49dHarry Ciao j + 1) && 13336db9b74210197f792a52038abbd10e946e99e49dHarry Ciao (cur_trans->tclass == 13346db9b74210197f792a52038abbd10e946e99e49dHarry Ciao k + 1)) { 13351867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris if (cur_trans->new_role == mapped_role) { 13366db9b74210197f792a52038abbd10e946e99e49dHarry Ciao break; 13376db9b74210197f792a52038abbd10e946e99e49dHarry Ciao } else { 13386db9b74210197f792a52038abbd10e946e99e49dHarry Ciao ERR(state->handle, 13391867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris "Conflicting role trans rule %s %s : %s { %s vs %s }", 13406db9b74210197f792a52038abbd10e946e99e49dHarry Ciao state->out->p_role_val_to_name[i], 13416db9b74210197f792a52038abbd10e946e99e49dHarry Ciao state->out->p_type_val_to_name[j], 13426db9b74210197f792a52038abbd10e946e99e49dHarry Ciao state->out->p_class_val_to_name[k], 13431867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris state->out->p_role_val_to_name[mapped_role - 1], 13441867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris state->out->p_role_val_to_name[cur_trans->new_role - 1]); 13456db9b74210197f792a52038abbd10e946e99e49dHarry Ciao return -1; 13466db9b74210197f792a52038abbd10e946e99e49dHarry Ciao } 134713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 13486db9b74210197f792a52038abbd10e946e99e49dHarry Ciao cur_trans = cur_trans->next; 134913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 13506db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if (cur_trans) 13516db9b74210197f792a52038abbd10e946e99e49dHarry Ciao continue; 13526db9b74210197f792a52038abbd10e946e99e49dHarry Ciao 13536db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n = (role_trans_t *) 13546db9b74210197f792a52038abbd10e946e99e49dHarry Ciao malloc(sizeof(role_trans_t)); 13556db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if (!n) { 13566db9b74210197f792a52038abbd10e946e99e49dHarry Ciao ERR(state->handle, 13576db9b74210197f792a52038abbd10e946e99e49dHarry Ciao "Out of memory!"); 13586db9b74210197f792a52038abbd10e946e99e49dHarry Ciao return -1; 13596db9b74210197f792a52038abbd10e946e99e49dHarry Ciao } 13606db9b74210197f792a52038abbd10e946e99e49dHarry Ciao memset(n, 0, sizeof(role_trans_t)); 13616db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n->role = i + 1; 13626db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n->type = j + 1; 13636db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n->tclass = k + 1; 13646db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n->new_role = state->rolemap 13656db9b74210197f792a52038abbd10e946e99e49dHarry Ciao [cur->new_role - 1]; 13666db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if (l) 13676db9b74210197f792a52038abbd10e946e99e49dHarry Ciao l->next = n; 13686db9b74210197f792a52038abbd10e946e99e49dHarry Ciao else 13696db9b74210197f792a52038abbd10e946e99e49dHarry Ciao state->out->role_tr = n; 13706db9b74210197f792a52038abbd10e946e99e49dHarry Ciao 13716db9b74210197f792a52038abbd10e946e99e49dHarry Ciao l = n; 137213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 137313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 137413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 137513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 137613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&roles); 137713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&types); 137813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 137913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 138013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 138113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 138213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 138313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 13846eeb71538ea29b639ac7549831cd1aa4da32722aEric Parisstatic int expand_filename_trans(expand_state_t *state, filename_trans_rule_t *rules) 13856eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris{ 13866eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris unsigned int i, j; 1387e910cf6e62d94d09e810bd173c14c5c4afb72242Stephen Smalley filename_trans_t *new_trans, *cur_trans; 13886eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris filename_trans_rule_t *cur_rule; 13896eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_t stypes, ttypes; 13906eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_node_t *snode, *tnode; 13916eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13926eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris cur_rule = rules; 13936eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris while (cur_rule) { 13940a778ba601d68ef91304f90c101b5dc67d433e04Eric Paris uint32_t mapped_otype; 13950a778ba601d68ef91304f90c101b5dc67d433e04Eric Paris 13966eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_init(&stypes); 13976eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_init(&ttypes); 13986eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13996eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (expand_convert_type_set(state->out, state->typemap, 14006eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris &cur_rule->stypes, &stypes, 1)) { 14016eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Out of memory!"); 14026eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 14036eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14046eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 14056eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (expand_convert_type_set(state->out, state->typemap, 14066eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris &cur_rule->ttypes, &ttypes, 1)) { 14076eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Out of memory!"); 14086eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 14096eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14106eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 14110a778ba601d68ef91304f90c101b5dc67d433e04Eric Paris mapped_otype = state->typemap[cur_rule->otype - 1]; 14120a778ba601d68ef91304f90c101b5dc67d433e04Eric Paris 14136eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_for_each_bit(&stypes, snode, i) { 14146eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (!ebitmap_node_get_bit(snode, i)) 14156eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris continue; 14166eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_for_each_bit(&ttypes, tnode, j) { 14176eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (!ebitmap_node_get_bit(tnode, j)) 14186eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris continue; 14196eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 1420e910cf6e62d94d09e810bd173c14c5c4afb72242Stephen Smalley cur_trans = state->out->filename_trans; 1421e910cf6e62d94d09e810bd173c14c5c4afb72242Stephen Smalley while (cur_trans) { 1422e910cf6e62d94d09e810bd173c14c5c4afb72242Stephen Smalley if ((cur_trans->stype == i + 1) && 1423e910cf6e62d94d09e810bd173c14c5c4afb72242Stephen Smalley (cur_trans->ttype == j + 1) && 14246eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris (cur_trans->tclass == cur_rule->tclass) && 14256eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris (!strcmp(cur_trans->name, cur_rule->name))) { 14266eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris /* duplicate rule, who cares */ 14270a778ba601d68ef91304f90c101b5dc67d433e04Eric Paris if (cur_trans->otype == mapped_otype) 14286eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris break; 1429e910cf6e62d94d09e810bd173c14c5c4afb72242Stephen Smalley 14309e746d6a693c2090694407c218300cfa4b8469a0Stephen Smalley ERR(state->handle, "Conflicting name-based type_transition %s %s:%s \"%s\": %s vs %s", 14316eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_type_val_to_name[i], 14326eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_type_val_to_name[j], 14336eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_class_val_to_name[cur_trans->tclass - 1], 14349e746d6a693c2090694407c218300cfa4b8469a0Stephen Smalley cur_trans->name, 14356eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_type_val_to_name[cur_trans->otype - 1], 14360a778ba601d68ef91304f90c101b5dc67d433e04Eric Paris state->out->p_type_val_to_name[mapped_otype - 1]); 14379e746d6a693c2090694407c218300cfa4b8469a0Stephen Smalley 14386eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 14396eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14406eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris cur_trans = cur_trans->next; 14416eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14426eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris /* duplicate rule, who cares */ 14436eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (cur_trans) 14446eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris continue; 14456eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 14466eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans = malloc(sizeof(*new_trans)); 14476eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (!new_trans) { 14486eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Out of memory!"); 14496eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 14506eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14516eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris memset(new_trans, 0, sizeof(*new_trans)); 1452e910cf6e62d94d09e810bd173c14c5c4afb72242Stephen Smalley new_trans->next = state->out->filename_trans; 1453e910cf6e62d94d09e810bd173c14c5c4afb72242Stephen Smalley state->out->filename_trans = new_trans; 14546eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 14556eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->name = strdup(cur_rule->name); 14566eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (!new_trans->name) { 14576eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Out of memory!"); 14586eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 14596eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14606eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->stype = i + 1; 14616eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->ttype = j + 1; 14626eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->tclass = cur_rule->tclass; 14630a778ba601d68ef91304f90c101b5dc67d433e04Eric Paris new_trans->otype = mapped_otype; 14646eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14656eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14666eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 14676eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_destroy(&stypes); 14686eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_destroy(&ttypes); 14696eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 14706eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris cur_rule = cur_rule->next; 14716eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14726eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return 0; 14736eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris} 14746eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 147513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int exp_rangetr_helper(uint32_t stype, uint32_t ttype, uint32_t tclass, 147613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_semantic_range_t * trange, 147713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t * state) 147813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 147913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle range_trans_t *rt, *check_rt = state->out->range_tr; 148013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_t exp_range; 148113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc = -1; 148213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 148313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_range_expand(trange, &exp_range, state->out, 148413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->handle)) 148513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 148613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 148713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* check for duplicates/conflicts */ 148813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (check_rt) { 148913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((check_rt->source_type == stype) && 149013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (check_rt->target_type == ttype) && 149113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (check_rt->target_class == tclass)) { 149213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_range_eq(&check_rt->target_range, &exp_range)) { 149313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* duplicate */ 149413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 149513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 149613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* conflict */ 149713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, 149813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "Conflicting range trans rule %s %s : %s", 149913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_type_val_to_name[stype - 1], 150013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_type_val_to_name[ttype - 1], 150113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_class_val_to_name[tclass - 150213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1]); 150313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 150413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 150513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 150613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle check_rt = check_rt->next; 150713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 150813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (check_rt) { 150913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* this is a dup - skip */ 151013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = 0; 151113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 151213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 151313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 151413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt = (range_trans_t *) calloc(1, sizeof(range_trans_t)); 151513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!rt) { 151613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 151713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 151813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 151913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 152013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt->next = state->out->range_tr; 152113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->range_tr = rt; 152213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 152313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt->source_type = stype; 152413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt->target_type = ttype; 152513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt->target_class = tclass; 152613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_range_cpy(&rt->target_range, &exp_range)) { 152713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 152813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 152913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 153013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 153113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = 0; 153213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 153313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out: 153413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(&exp_range); 153513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return rc; 153613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 153713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 153813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_range_trans(expand_state_t * state, 153913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle range_trans_rule_t * rules) 154013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 154113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j, k; 154213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle range_trans_rule_t *rule; 154313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 154413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t stypes, ttypes; 154513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode, *cnode; 154613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 154713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 154813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "expanding range transitions"); 154913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 155013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (rule = rules; rule; rule = rule->next) { 155113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&stypes); 155213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&ttypes); 155313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 155413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* expand the type sets */ 155513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set(state->out, state->typemap, 155613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &rule->stypes, &stypes, 1)) { 155713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 155813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 155913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 156013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set(state->out, state->typemap, 156113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &rule->ttypes, &ttypes, 1)) { 156213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 156313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 156413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 156513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 156613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 156713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* loop on source type */ 156813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&stypes, snode, i) { 156913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 157013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 157113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* loop on target type */ 157213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&ttypes, tnode, j) { 157313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 157413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 157513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* loop on target class */ 157613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&rule->tclasses, cnode, k) { 157713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(cnode, k)) 157813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 157913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 158013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (exp_rangetr_helper(i + 1, 158113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle j + 1, 158213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle k + 1, 158313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &rule->trange, 158413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state)) { 158513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 158613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 158713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 158813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 158913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 159013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 159113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 159213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 159313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 159413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 159513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 159613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 159713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 159813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 159913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 160013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* Search for an AV tab node within a hash table with the given key. 160113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * If the node does not exist, create it and return it; otherwise 160213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * return the pre-existing one. 160313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle*/ 160413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic avtab_ptr_t find_avtab_node(sepol_handle_t * handle, 160513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t * avtab, avtab_key_t * key, 160680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep cond_av_list_t ** cond, 160780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep av_operations_t *operations) 160813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 160913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 161013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t avdatum; 161113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t *nl; 161280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep int type_match = 0; 161313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 161480bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep /* AVTAB_OPNUM entries are not necessarily unique */ 161580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (key->specified & AVTAB_OPNUM) { 161680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = avtab_search_node(avtab, key); 161780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep while (node) { 161880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (node->datum.ops->type == operations->type) { 161980bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep type_match = 1; 162080bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep break; 162180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } 162280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = avtab_search_node_next(node, key->specified); 162380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } 162480bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (!type_match) 162580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = NULL; 162680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else { 162780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = avtab_search_node(avtab, key); 162880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } 162913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 163013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* If this is for conditional policies, keep searching in case 163113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle the node is part of my conditional avtab. */ 163213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond) { 163313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (node) { 163413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (node->parse_context == cond) 163513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 163613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node_next(node, key->specified); 163713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 163813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 163913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 164013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 164113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(&avdatum, 0, sizeof avdatum); 164213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* this is used to get the node - insertion is actually unique */ 164313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_insert_nonunique(avtab, key, &avdatum); 164413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 164513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "hash table overflow"); 164613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return NULL; 164713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 164813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond) { 164913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->parse_context = cond; 165013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl = (cond_av_list_t *) malloc(sizeof(cond_av_list_t)); 165113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!nl) { 165213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Memory error"); 165313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return NULL; 165413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 165513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(nl, 0, sizeof(cond_av_list_t)); 165613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl->node = node; 165713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl->next = *cond; 165813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *cond = nl; 165913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 166013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 166113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 166213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return node; 166313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 166413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 166513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#define EXPAND_RULE_SUCCESS 1 166613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#define EXPAND_RULE_CONFLICT 0 166713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#define EXPAND_RULE_ERROR -1 166813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 166913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_terule_helper(sepol_handle_t * handle, 167013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * p, uint32_t * typemap, 167113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t specified, cond_av_list_t ** cond, 167213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** other, uint32_t stype, 167313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t ttype, class_perm_node_t * perms, 167413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t * avtab, int enabled) 167513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 167613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t avkey; 167713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *avdatump; 167813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 167913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_t *cur; 168013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int conflict; 168113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t oldtype = 0, spec = 0; 168213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 168313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_TRANSITION) { 168413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_TRANSITION; 168513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_MEMBER) { 168613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_MEMBER; 168713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_CHANGE) { 168813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_CHANGE; 168913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 169013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* unreachable */ 169113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 169213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 169313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = perms; 169413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 169513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t remapped_data = 169613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle typemap ? typemap[cur->data - 1] : cur->data; 169713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.source_type = stype + 1; 169813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.target_type = ttype + 1; 1699ed7a6ba24ad3241e696fa7bc9bb56bb4f373147bdcashman avkey.target_class = cur->tclass; 170013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.specified = spec; 170113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 170213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle conflict = 0; 170313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* check to see if the expanded TE already exists -- 170413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * either in the global scope or in another 170513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * conditional AV tab */ 170613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node(&p->te_avtab, &avkey); 170713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (node) { 170813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle conflict = 1; 170913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 171013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node(&p->te_cond_avtab, &avkey); 171113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (node && node->parse_context != other) { 171213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle conflict = 2; 171313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 171413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 171513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 171613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (conflict) { 171713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump = &node->datum; 171813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_TRANSITION) { 171913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle oldtype = avdatump->data; 172013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_MEMBER) { 172113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle oldtype = avdatump->data; 172213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_CHANGE) { 172313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle oldtype = avdatump->data; 172413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 172513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 172613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (oldtype == remapped_data) { 172713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* if the duplicate is inside the same scope (eg., unconditional 172813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * or in same conditional then ignore it */ 172913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((conflict == 1 && cond == NULL) 173013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle || node->parse_context == cond) 173113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 173213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "duplicate TE rule for %s %s:%s %s", 173313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[avkey.source_type - 173413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1], 173513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[avkey.target_type - 173613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1], 173713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_class_val_to_name[avkey.target_class - 173813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1], 173913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[oldtype - 1]); 174013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_CONFLICT; 174113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 174213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, 174313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "conflicting TE rule for (%s, %s:%s): old was %s, new is %s", 174413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[avkey.source_type - 1], 174513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[avkey.target_type - 1], 174613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_class_val_to_name[avkey.target_class - 1], 174713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[oldtype - 1], 174813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[remapped_data - 1]); 174913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_CONFLICT; 175013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 175113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 175280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = find_avtab_node(handle, avtab, &avkey, cond, NULL); 175313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) 175413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 175513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (enabled) { 175613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->key.specified |= AVTAB_ENABLED; 175713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 175813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->key.specified &= ~AVTAB_ENABLED; 175913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 176013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 176113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump = &node->datum; 176213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_TRANSITION) { 176313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data = remapped_data; 176413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_MEMBER) { 176513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data = remapped_data; 176613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_CHANGE) { 176713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data = remapped_data; 176813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 176913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* should never occur */ 177013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 177113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 177213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 177313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 177413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 177513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 177613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 177713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 177813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_avrule_helper(sepol_handle_t * handle, 177913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t specified, 178013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** cond, 178113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t stype, uint32_t ttype, 178213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_t * perms, avtab_t * avtab, 178380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep int enabled, av_operations_t *operations) 178413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 178513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t avkey; 178613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *avdatump; 178780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep avtab_operations_t *ops; 178813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 178913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_t *cur; 179013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t spec = 0; 179180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep unsigned int i; 179213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 179313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_ALLOWED) { 179413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_ALLOWED; 179513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_AUDITALLOW) { 179613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_AUDITALLOW; 179713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_AUDITDENY) { 179813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_AUDITDENY; 179913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_DONTAUDIT) { 180013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (handle && handle->disable_dontaudit) 180113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 180213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_AUDITDENY; 180313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_NEVERALLOW) { 180413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_NEVERALLOW; 180580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else if (specified & AVRULE_OPNUM_ALLOWED) { 180680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep spec = AVTAB_OPNUM_ALLOWED; 180780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else if (specified & AVRULE_OPNUM_AUDITALLOW) { 180880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep spec = AVTAB_OPNUM_AUDITALLOW; 180980bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else if (specified & AVRULE_OPNUM_DONTAUDIT) { 181080bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (handle && handle->disable_dontaudit) 181180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep return EXPAND_RULE_SUCCESS; 181280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep spec = AVTAB_OPNUM_DONTAUDIT; 181380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else if (specified & AVRULE_OPTYPE_ALLOWED) { 181480bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep spec = AVTAB_OPTYPE_ALLOWED; 181580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else if (specified & AVRULE_OPTYPE_AUDITALLOW) { 181680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep spec = AVTAB_OPTYPE_AUDITALLOW; 181780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else if (specified & AVRULE_OPTYPE_DONTAUDIT) { 181880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (handle && handle->disable_dontaudit) 181980bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep return EXPAND_RULE_SUCCESS; 182080bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep spec = AVTAB_OPTYPE_DONTAUDIT; 182113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 182213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* unreachable */ 182313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 182413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 182513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = perms; 182613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 182713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.source_type = stype + 1; 182813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.target_type = ttype + 1; 1829ed7a6ba24ad3241e696fa7bc9bb56bb4f373147bdcashman avkey.target_class = cur->tclass; 183013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.specified = spec; 183113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 183280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = find_avtab_node(handle, avtab, &avkey, cond, operations); 183313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) 183413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_ERROR; 183513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (enabled) { 183613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->key.specified |= AVTAB_ENABLED; 183713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 183813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->key.specified &= ~AVTAB_ENABLED; 183913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 184013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 184113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump = &node->datum; 184213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_ALLOWED) { 184313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data |= cur->data; 184413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_AUDITALLOW) { 184513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data |= cur->data; 184613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_NEVERALLOW) { 184713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data |= cur->data; 184813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_AUDITDENY) { 184913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Since a '0' in an auditdeny mask represents 185013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * a permission we do NOT want to audit 185113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * (dontaudit), we use the '&' operand to 185213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * ensure that all '0's in the mask are 185313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * retained (much unlike the allow and 185413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * auditallow cases). 185513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 185613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data &= cur->data; 185713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_DONTAUDIT) { 185813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avdatump->data) 185913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data &= ~cur->data; 186013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else 186113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data = ~cur->data; 186280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else if (specified & AVRULE_OP) { 186380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (!avdatump->ops) { 186480bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep ops = (avtab_operations_t *) 186580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep calloc(1, sizeof(avtab_operations_t)); 186680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (!ops) { 186780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep ERR(handle, "Out of memory!"); 186880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep return -1; 186980bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } 187080bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node->datum.ops = ops; 187180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } 187280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node->datum.ops->type = operations->type; 187380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep for (i = 0; i < ARRAY_SIZE(operations->perms); i++) { 187480bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node->datum.ops->perms[i] |= operations->perms[i]; 187580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } 187613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 187713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* should never occur */ 187813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 187913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 188013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 188113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 188213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 188313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 188413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 188513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_rule_helper(sepol_handle_t * handle, 188613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * p, uint32_t * typemap, 188713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t * source_rule, avtab_t * dest_avtab, 188813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** cond, cond_av_list_t ** other, 188913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int enabled, 189013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t * stypes, ebitmap_t * ttypes) 189113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 189213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j; 189313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int retval; 189413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode; 189513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 189613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(stypes, snode, i) { 189713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 189813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 189913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (source_rule->flags & RULE_SELF) { 190080bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (source_rule->specified & (AVRULE_AV | AVRULE_OP)) { 1901c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris retval = expand_avrule_helper(handle, source_rule->specified, 1902c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris cond, i, i, source_rule->perms, 190380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep dest_avtab, enabled, source_rule->ops); 1904c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris if (retval != EXPAND_RULE_SUCCESS) 190513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 190613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 1907c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris retval = expand_terule_helper(handle, p, typemap, 1908c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris source_rule->specified, cond, 1909c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris other, i, i, source_rule->perms, 1910c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris dest_avtab, enabled); 1911c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris if (retval != EXPAND_RULE_SUCCESS) 191213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 191313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 191413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 191513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(ttypes, tnode, j) { 191613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 191713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 191880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (source_rule->specified & (AVRULE_AV | AVRULE_OP)) { 1919c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris retval = expand_avrule_helper(handle, source_rule->specified, 1920c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris cond, i, j, source_rule->perms, 192180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep dest_avtab, enabled, source_rule->ops); 1922c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris if (retval != EXPAND_RULE_SUCCESS) 192313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 192413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 1925c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris retval = expand_terule_helper(handle, p, typemap, 1926c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris source_rule->specified, cond, 1927c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris other, i, j, source_rule->perms, 1928c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris dest_avtab, enabled); 1929c43f5b1d34d9cbdc767254046d9b7e0ab47b866dEric Paris if (retval != EXPAND_RULE_SUCCESS) 193013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 193113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 193213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 193313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 193413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 193513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 193613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 193713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 193813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* 193913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Expand a rule into a given avtab - checking for conflicting type 194013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * rules in the destination policy. Return EXPAND_RULE_SUCCESS on 194113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * success, EXPAND_RULE_CONFLICT if the rule conflicts with something 194213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * (and hence was not added), or EXPAND_RULE_ERROR on error. 194313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 194413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int convert_and_expand_rule(sepol_handle_t * handle, 194513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * dest_pol, uint32_t * typemap, 194613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t * source_rule, avtab_t * dest_avtab, 194713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** cond, 194813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** other, int enabled, 194913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int do_neverallow) 195013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 195113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int retval; 195213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t stypes, ttypes; 195313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned char alwaysexpand; 195413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 195513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!do_neverallow && source_rule->specified & AVRULE_NEVERALLOW) 195613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 195713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 195813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&stypes); 195913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&ttypes); 196013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 196113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Force expansion for type rules and for self rules. */ 196213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle alwaysexpand = ((source_rule->specified & AVRULE_TYPE) || 196313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (source_rule->flags & RULE_SELF)); 196413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 196513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 196613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (dest_pol, typemap, &source_rule->stypes, &stypes, alwaysexpand)) 196713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_ERROR; 196813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 196913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (dest_pol, typemap, &source_rule->ttypes, &ttypes, alwaysexpand)) 197013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_ERROR; 197113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 197213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle retval = expand_rule_helper(handle, dest_pol, typemap, 197313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule, dest_avtab, 197413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond, other, enabled, &stypes, &ttypes); 197513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 197613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 197713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 197813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 197913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 198013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int cond_avrule_list_copy(policydb_t * dest_pol, avrule_t * source_rules, 198113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t * dest_avtab, cond_av_list_t ** list, 198213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** other, uint32_t * typemap, 198313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int enabled, expand_state_t * state) 198413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 198513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t *cur; 198613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 198713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = source_rules; 198813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 198913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (convert_and_expand_rule(state->handle, dest_pol, 199013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle typemap, cur, dest_avtab, 199113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle list, other, enabled, 199213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 0) != EXPAND_RULE_SUCCESS) { 199313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 199413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 199513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 199613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 199713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 199813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 199913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 200013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 200113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 200213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int cond_node_map_bools(expand_state_t * state, cond_node_t * cn) 200313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 200413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_expr_t *cur; 200513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 200613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 200713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cn->expr; 200813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 200913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cur->bool) 201013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur->bool = state->boolmap[cur->bool - 1]; 201113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 201213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 201313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 201413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < min(cn->nbools, COND_MAX_BOOLS); i++) 201513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cn->bool_ids[i] = state->boolmap[cn->bool_ids[i] - 1]; 201613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 201713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_normalize_expr(state->out, cn)) { 201813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Error while normalizing conditional"); 201913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 202013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 202113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 202213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 202313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 202413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 202513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* copy the nodes in *reverse* order -- the result is that the last 202613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * given conditional appears first in the policy, so as to match the 202713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * behavior of the upstream compiler */ 202813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int cond_node_copy(expand_state_t * state, cond_node_t * cn) 202913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 203013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_node_t *new_cond, *tmp; 203113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 203213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cn == NULL) { 203313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 203413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 203513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_node_copy(state, cn->next)) { 203613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 203713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 20385722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao 20395722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao /* If current cond_node_t is of tunable, its effective branch 20405722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao * has been appended to its home decl->avrules list during link 20415722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao * and now we should just skip it. */ 20425722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao if (cn->flags & COND_NODE_FLAGS_TUNABLE) 20435722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao return 0; 20445722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao 204513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_normalize_expr(state->base, cn)) { 204613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Error while normalizing conditional"); 204713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 204813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 204913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 205013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* create a new temporary conditional node with the booleans 205113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * mapped */ 205213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tmp = cond_node_create(state->base, cn); 205313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!tmp) { 205413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory"); 205513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 205613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 205713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 205813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_node_map_bools(state, tmp)) { 2059afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris cond_node_destroy(tmp); 2060afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris free(tmp); 206113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Error mapping booleans"); 206213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 206313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 206413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 206513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cond = cond_node_search(state->out, state->out->cond_list, tmp); 206613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_cond) { 206713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_node_destroy(tmp); 206813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(tmp); 206913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 207013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 207113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 207213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_node_destroy(tmp); 207313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(tmp); 207413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 207513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_avrule_list_copy 207613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, cn->avtrue_list, &state->out->te_cond_avtab, 207713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_cond->true_list, &new_cond->false_list, state->typemap, 207813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cond->cur_state, state)) 207913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 208013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_avrule_list_copy 208113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, cn->avfalse_list, &state->out->te_cond_avtab, 208213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_cond->false_list, &new_cond->true_list, state->typemap, 208313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle !new_cond->cur_state, state)) 208413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 208513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 208613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 208713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 208813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 208913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int context_copy(context_struct_t * dst, context_struct_t * src, 209013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t * state) 209113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 209213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dst->user = state->usermap[src->user - 1]; 209313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dst->role = state->rolemap[src->role - 1]; 209413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dst->type = state->typemap[src->type - 1]; 209513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return mls_context_cpy(dst, src); 209613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 209713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2098505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzistatic int ocontext_copy_xen(expand_state_t *state) 209913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 2100505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi unsigned int i; 210113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ocontext_t *c, *n, *l; 210213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 210313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < OCON_NUM; i++) { 210413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = NULL; 210513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (c = state->base->ocontexts[i]; c; c = c->next) { 210613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n = malloc(sizeof(ocontext_t)); 210713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!n) { 210813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 210913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 211013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 211113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(n, 0, sizeof(ocontext_t)); 2112505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (l) 211313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l->next = n; 2114505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi else 211513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->ocontexts[i] = n; 2116505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi l = n; 2117505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi switch (i) { 2118505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_ISID: 21191f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito if (c->context[0].user == 0) { 21201f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito ERR(state->handle, 21211f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito "Missing context for %s initial sid", 21221f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito c->u.name); 21231f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito return -1; 21241f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito } 2125505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->sid[0] = c->sid[0]; 2126505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2127505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_PIRQ: 2128505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.pirq = c->u.pirq; 2129505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2130505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_IOPORT: 2131505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.ioport.low_ioport = c->u.ioport.low_ioport; 2132505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.ioport.high_ioport = 2133505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi c->u.ioport.high_ioport; 2134505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2135505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_IOMEM: 2136505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.iomem.low_iomem = c->u.iomem.low_iomem; 2137505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.iomem.high_iomem = c->u.iomem.high_iomem; 2138505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2139505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_PCIDEVICE: 2140505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.device = c->u.device; 2141505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2142f0290677091e7eee4a3724a2a86ede9e11f93802Daniel De Graaf case OCON_XEN_DEVICETREE: 2143f0290677091e7eee4a3724a2a86ede9e11f93802Daniel De Graaf n->u.name = strdup(c->u.name); 2144f0290677091e7eee4a3724a2a86ede9e11f93802Daniel De Graaf if (!n->u.name) { 2145f0290677091e7eee4a3724a2a86ede9e11f93802Daniel De Graaf ERR(state->handle, "Out of memory!"); 2146f0290677091e7eee4a3724a2a86ede9e11f93802Daniel De Graaf return -1; 2147f0290677091e7eee4a3724a2a86ede9e11f93802Daniel De Graaf } 2148f0290677091e7eee4a3724a2a86ede9e11f93802Daniel De Graaf break; 2149505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi default: 2150505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi /* shouldn't get here */ 2151505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Unknown ocontext"); 2152505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 2153505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2154e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito if (context_copy(&n->context[0], &c->context[0], 2155e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito state)) { 2156e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito ERR(state->handle, "Out of memory!"); 2157e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito return -1; 2158e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito } 2159505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2160505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2161505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return 0; 2162505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi} 2163505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi 2164505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzistatic int ocontext_copy_selinux(expand_state_t *state) 2165505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi{ 2166505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi unsigned int i, j; 2167505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ocontext_t *c, *n, *l; 2168505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi 2169505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi for (i = 0; i < OCON_NUM; i++) { 2170505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi l = NULL; 2171505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi for (c = state->base->ocontexts[i]; c; c = c->next) { 2172505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n = malloc(sizeof(ocontext_t)); 2173505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (!n) { 2174505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Out of memory!"); 2175505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 217613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 2177505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi memset(n, 0, sizeof(ocontext_t)); 2178505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (l) 2179505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi l->next = n; 2180505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi else 2181505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi state->out->ocontexts[i] = n; 218213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = n; 218313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle switch (i) { 218413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_ISID: 21851f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito if (c->context[0].user == 0) { 21861f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito ERR(state->handle, 21871f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito "Missing context for %s initial sid", 21881f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito c->u.name); 21891f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito return -1; 21901f3bca77e04687afb87a7a4e034298c9c955919bChris PeBenito } 219113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->sid[0] = c->sid[0]; 219213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 219313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_FS: /* FALLTHROUGH */ 219413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_NETIF: 219513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.name = strdup(c->u.name); 219613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!n->u.name) { 219713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 219813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 219913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 220013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (context_copy 220113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (&n->context[1], &c->context[1], state)) { 220213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 220313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 220413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 220513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 220613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_PORT: 220713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.port.protocol = c->u.port.protocol; 220813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.port.low_port = c->u.port.low_port; 220913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.port.high_port = c->u.port.high_port; 221013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 221113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_NODE: 221213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.node.addr = c->u.node.addr; 221313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.node.mask = c->u.node.mask; 221413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 221513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_FSUSE: 221613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->v.behavior = c->v.behavior; 221713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.name = strdup(c->u.name); 221813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!n->u.name) { 221913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 222013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 222113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 222213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 222313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_NODE6: 222413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (j = 0; j < 4; j++) 222513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.node6.addr[j] = c->u.node6.addr[j]; 222613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (j = 0; j < 4; j++) 222713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.node6.mask[j] = c->u.node6.mask[j]; 222813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 222913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle default: 223013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* shouldn't get here */ 2231505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Unknown ocontext"); 2232505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 223313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 2234e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito if (context_copy(&n->context[0], &c->context[0], state)) { 2235e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito ERR(state->handle, "Out of memory!"); 2236e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito return -1; 2237e26b58b08e92f823ff2f7e20ffd3124b7c5f8ccfChris PeBenito } 223813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 223913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 224013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 224113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 224213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2243505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzistatic int ocontext_copy(expand_state_t *state, uint32_t target) 2244505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi{ 2245505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi int rc = -1; 2246505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi switch (target) { 2247505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case SEPOL_TARGET_SELINUX: 2248505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi rc = ocontext_copy_selinux(state); 2249505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2250505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case SEPOL_TARGET_XEN: 2251505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi rc = ocontext_copy_xen(state); 2252505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2253505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi default: 2254505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Unknown target"); 2255505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 2256505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2257505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return rc; 2258505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi} 2259505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi 226013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int genfs_copy(expand_state_t * state) 226113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 226213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ocontext_t *c, *newc, *l; 226313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle genfs_t *genfs, *newgenfs, *end; 226413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 226513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle end = NULL; 226613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (genfs = state->base->genfs; genfs; genfs = genfs->next) { 226713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newgenfs = malloc(sizeof(genfs_t)); 226813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!newgenfs) { 226913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 227013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 227113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 227213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(newgenfs, 0, sizeof(genfs_t)); 227313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newgenfs->fstype = strdup(genfs->fstype); 227413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!newgenfs->fstype) { 2275afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris free(newgenfs); 227613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 227713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 227813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 2279afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris if (!end) 2280afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris state->out->genfs = newgenfs; 2281afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris else 2282afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris end->next = newgenfs; 2283afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris end = newgenfs; 228413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 228513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = NULL; 228613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (c = genfs->head; c; c = c->next) { 228713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newc = malloc(sizeof(ocontext_t)); 228813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!newc) { 228913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 229013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 229113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 229213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(newc, 0, sizeof(ocontext_t)); 229313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newc->u.name = strdup(c->u.name); 229413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!newc->u.name) { 229513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 2296afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris free(newc); 229713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 229813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 229913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newc->v.sclass = c->v.sclass; 230013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle context_copy(&newc->context[0], &c->context[0], state); 230113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (l) 230213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l->next = newc; 230313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else 230413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newgenfs->head = newc; 230513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = newc; 230613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 230713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 230813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 230913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 231013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 231113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int type_attr_map(hashtab_key_t key 231213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle __attribute__ ((unused)), hashtab_datum_t datum, 231313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *ptr) 231413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 231513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *type; 231613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state = ptr; 231713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t *p = state->out; 231813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 231913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *tnode; 232013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 232113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type = (type_datum_t *) datum; 232213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (type->flavor == TYPE_ATTRIB) { 232313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&p->attr_type_map[type->s.value - 1], 232413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &type->types)) { 232513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 232613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 232713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 232813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&type->types, tnode, i) { 232913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, i)) 233013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 233113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&p->type_attr_map[i], 233213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type->s.value - 1, 1)) { 233313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 233413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 233513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 233613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 233713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 233813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 233913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 234013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 234113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* converts typeset using typemap and expands into ebitmap_t types using the attributes in the passed in policy. 234213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * this should not be called until after all the blocks have been processed and the attributes in target policy 234313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * are complete. */ 234413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_convert_type_set(policydb_t * p, uint32_t * typemap, 234513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_set_t * set, ebitmap_t * types, 234613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned char alwaysexpand) 234713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 234813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_set_t tmpset; 234913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 235013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_set_init(&tmpset); 235113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 235213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&set->types, &tmpset.types, typemap)) 235313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 235413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 235513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&set->negset, &tmpset.negset, typemap)) 235613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 235713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 235813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tmpset.flags = set->flags; 235913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 236013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (type_set_expand(&tmpset, types, p, alwaysexpand)) 236113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 236213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 236313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_set_destroy(&tmpset); 236413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 236513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 236613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 236713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2368eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle/* Expand a rule into a given avtab - checking for conflicting type 2369eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle * rules. Return 1 on success, 0 if the rule conflicts with something 2370eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle * (and hence was not added), or -1 on error. */ 2371eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindleint expand_rule(sepol_handle_t * handle, 2372eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle policydb_t * source_pol, 2373eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle avrule_t * source_rule, avtab_t * dest_avtab, 2374eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle cond_av_list_t ** cond, cond_av_list_t ** other, int enabled) 2375eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle{ 2376eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle int retval; 2377eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_t stypes, ttypes; 2378eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle 2379eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle if (source_rule->specified & AVRULE_NEVERALLOW) 2380eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle return 1; 2381eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle 2382eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_init(&stypes); 2383eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_init(&ttypes); 2384eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle 2385eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle if (type_set_expand(&source_rule->stypes, &stypes, source_pol, 1)) 2386eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle return -1; 2387eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle if (type_set_expand(&source_rule->ttypes, &ttypes, source_pol, 1)) 2388eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle return -1; 2389eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle retval = expand_rule_helper(handle, source_pol, NULL, 2390eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle source_rule, dest_avtab, 2391eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle cond, other, enabled, &stypes, &ttypes); 2392eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_destroy(&stypes); 2393eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_destroy(&ttypes); 2394eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle return retval; 2395eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle} 2396eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle 23973592ebea1a5beb390a520c09747d3699867af9deHarry Ciao/* Expand a role set into an ebitmap containing the roles. 23983592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * This handles the attribute and flags. 23993592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * Attribute expansion depends on if the rolemap is available. 24003592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * During module compile the rolemap is not available, the 24013592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * possible duplicates of a regular role and the role attribute 24023592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * the regular role belongs to could be properly handled by 24033592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * copy_role_trans and copy_role_allow. 24043592ebea1a5beb390a520c09747d3699867af9deHarry Ciao */ 24053592ebea1a5beb390a520c09747d3699867af9deHarry Ciaoint role_set_expand(role_set_t * x, ebitmap_t * r, policydb_t * out, policydb_t * base, uint32_t * rolemap) 240613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 240713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 240813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *rnode; 24093592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_t mapped_roles, roles; 24103592ebea1a5beb390a520c09747d3699867af9deHarry Ciao policydb_t *p = out; 24113592ebea1a5beb390a520c09747d3699867af9deHarry Ciao role_datum_t *role; 241213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 241313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(r); 241413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 241513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (x->flags & ROLE_STAR) { 241613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < p->p_roles.nprim++; i++) 241713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(r, i, 1)) 241813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 241913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 242013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 242113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 24223592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_init(&mapped_roles); 24233592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_init(&roles); 24243592ebea1a5beb390a520c09747d3699867af9deHarry Ciao 242513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rolemap) { 24263592ebea1a5beb390a520c09747d3699867af9deHarry Ciao assert(base != NULL); 24273592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_for_each_bit(&x->roles, rnode, i) { 24283592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (ebitmap_node_get_bit(rnode, i)) { 24293592ebea1a5beb390a520c09747d3699867af9deHarry Ciao /* take advantage of p_role_val_to_struct[] 24303592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * of the base module */ 24313592ebea1a5beb390a520c09747d3699867af9deHarry Ciao role = base->role_val_to_struct[i]; 24323592ebea1a5beb390a520c09747d3699867af9deHarry Ciao assert(role != NULL); 24333592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role->flavor == ROLE_ATTRIB) { 24343592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (ebitmap_union(&roles, 24353592ebea1a5beb390a520c09747d3699867af9deHarry Ciao &role->roles)) 24363592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 24373592ebea1a5beb390a520c09747d3699867af9deHarry Ciao } else { 24383592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (ebitmap_set_bit(&roles, i, 1)) 24393592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 24403592ebea1a5beb390a520c09747d3699867af9deHarry Ciao } 24413592ebea1a5beb390a520c09747d3699867af9deHarry Ciao } 24423592ebea1a5beb390a520c09747d3699867af9deHarry Ciao } 24433592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (map_ebitmap(&roles, &mapped_roles, rolemap)) 24443592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 244513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 244613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&mapped_roles, &x->roles)) 24473592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 244813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 244913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 245013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&mapped_roles, rnode, i) { 245113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_node_get_bit(rnode, i)) { 245213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(r, i, 1)) 24533592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 245413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 245513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 245613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 245713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&mapped_roles); 24583592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_destroy(&roles); 245913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 246013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* if role is to be complimented, invert the entire bitmap here */ 246113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (x->flags & ROLE_COMP) { 246213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < ebitmap_length(r); i++) { 246313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_get_bit(r, i)) { 246413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(r, i, 0)) 246513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 246613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 246713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(r, i, 1)) 246813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 246913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 247013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 247113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 247213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 24733592ebea1a5beb390a520c09747d3699867af9deHarry Ciao 24743592ebea1a5beb390a520c09747d3699867af9deHarry Ciaobad: 24753592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_destroy(&mapped_roles); 24763592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_destroy(&roles); 24773592ebea1a5beb390a520c09747d3699867af9deHarry Ciao return -1; 247813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 247913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 248013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* Expand a type set into an ebitmap containing the types. This 248113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * handles the negset, attributes, and flags. 248213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Attribute expansion depends on several factors: 248313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * - if alwaysexpand is 1, then they will be expanded, 248413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * - if the type set has a negset or flags, then they will be expanded, 248513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * - otherwise, they will not be expanded. 248613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 248713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint type_set_expand(type_set_t * set, ebitmap_t * t, policydb_t * p, 248813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned char alwaysexpand) 248913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 249013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 249113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t types, neg_types; 249213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *tnode; 249313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 249413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&types); 249513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(t); 249613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 249713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (alwaysexpand || ebitmap_length(&set->negset) || set->flags) { 249813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* First go through the types and OR all the attributes to types */ 249913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&set->types, tnode, i) { 250013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_node_get_bit(tnode, i)) { 250113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (p->type_val_to_struct[i]->flavor == 250213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle TYPE_ATTRIB) { 250313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union 250413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (&types, 250513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &p->type_val_to_struct[i]-> 250613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle types)) { 250713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 250813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 250913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 251013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&types, i, 1)) { 251113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 251213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 251313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 251413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 251513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 251613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 251713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* No expansion of attributes, just copy the set as is. */ 251813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&types, &set->types)) 251913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 252013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 252113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 252213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Now do the same thing for negset */ 252313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&neg_types); 252413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&set->negset, tnode, i) { 252513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_node_get_bit(tnode, i)) { 252613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (p->type_val_to_struct[i] && 252713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->type_val_to_struct[i]->flavor == TYPE_ATTRIB) { 252813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union 252913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (&neg_types, 253013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &p->type_val_to_struct[i]->types)) { 253113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 253213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 253313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 253413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&neg_types, i, 1)) { 253513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 253613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 253713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 253813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 253913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 254013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 254113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (set->flags & TYPE_STAR) { 254213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* set all types not in neg_types */ 254313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < p->p_types.nprim; i++) { 254413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_get_bit(&neg_types, i)) 254513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 254613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (p->type_val_to_struct[i] && 254713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->type_val_to_struct[i]->flavor == TYPE_ATTRIB) 254813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 254913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(t, i, 1)) 255013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 255113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 255213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 255313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 255413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 255513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&types, tnode, i) { 255613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_node_get_bit(tnode, i) 255713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle && (!ebitmap_get_bit(&neg_types, i))) 255813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(t, i, 1)) 255913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 256013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 256113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 256213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (set->flags & TYPE_COMP) { 256313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < p->p_types.nprim; i++) { 256413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (p->type_val_to_struct[i] && 256513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->type_val_to_struct[i]->flavor == TYPE_ATTRIB) { 256613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(!ebitmap_get_bit(t, i)); 256713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 256813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 256913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_get_bit(t, i)) { 257013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(t, i, 0)) 257113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 257213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 257313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(t, i, 1)) 257413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 257513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 257613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 257713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 257813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 257913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out: 258013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 258113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&types); 258213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&neg_types); 258313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 258413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 258513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 258613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 258713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int copy_neverallow(policydb_t * dest_pol, uint32_t * typemap, 258813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t * source_rule) 258913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 259013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t stypes, ttypes; 259113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t *avrule; 259213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_t *cur_perm, *new_perm, *tail_perm; 259313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 259413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&stypes); 259513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&ttypes); 259613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 259713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 259813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (dest_pol, typemap, &source_rule->stypes, &stypes, 1)) 259913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 260013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 260113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (dest_pol, typemap, &source_rule->ttypes, &ttypes, 1)) 260213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 260313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 260413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule = (avrule_t *) malloc(sizeof(avrule_t)); 260513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!avrule) 260613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 260713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 260813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_init(avrule); 260913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->specified = AVRULE_NEVERALLOW; 261013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->line = source_rule->line; 261113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->flags = source_rule->flags; 2612ef24ade029329a6e9981bd1de2ba7b9ea48e1c79Stephen Smalley avrule->source_line = source_rule->source_line; 2613a80a48cb1907162b1fce8f0af38d062fca39a635Stephen Smalley if (source_rule->source_filename) { 2614a80a48cb1907162b1fce8f0af38d062fca39a635Stephen Smalley avrule->source_filename = strdup(source_rule->source_filename); 2615a80a48cb1907162b1fce8f0af38d062fca39a635Stephen Smalley if (!avrule->source_filename) 2616a80a48cb1907162b1fce8f0af38d062fca39a635Stephen Smalley goto err; 2617a80a48cb1907162b1fce8f0af38d062fca39a635Stephen Smalley } 261813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 261913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&avrule->stypes.types, &stypes)) 262013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto err; 262113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 262213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&avrule->ttypes.types, &ttypes)) 262313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto err; 262413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 262513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_perm = source_rule->perms; 262613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tail_perm = NULL; 262713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur_perm) { 262813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_perm = 262913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (class_perm_node_t *) malloc(sizeof(class_perm_node_t)); 263013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_perm) 263113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto err; 263213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_init(new_perm); 2633ed7a6ba24ad3241e696fa7bc9bb56bb4f373147bdcashman new_perm->tclass = cur_perm->tclass; 2634ed7a6ba24ad3241e696fa7bc9bb56bb4f373147bdcashman assert(new_perm->tclass); 263513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 263613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* once we have modules with permissions we'll need to map the permissions (and classes) */ 263713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_perm->data = cur_perm->data; 263813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 263913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!avrule->perms) 264013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->perms = new_perm; 264113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 264213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (tail_perm) 264313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tail_perm->next = new_perm; 264413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tail_perm = new_perm; 264513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_perm = cur_perm->next; 264613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 264713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 264813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* just prepend the avrule to the first branch; it'll never be 264913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle written to disk */ 265013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!dest_pol->global->branch_list->avrules) 265113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dest_pol->global->branch_list->avrules = avrule; 265213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else { 265313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->next = dest_pol->global->branch_list->avrules; 265413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dest_pol->global->branch_list->avrules = avrule; 265513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 265613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 265713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 265813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 265913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 266013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 266113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 266213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle err: 266313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 266413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 266513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&avrule->stypes.types); 266613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&avrule->ttypes.types); 266713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_perm = avrule->perms; 266813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur_perm) { 266913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tail_perm = cur_perm->next; 267013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(cur_perm); 267113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_perm = tail_perm; 267213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 267313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(avrule); 267413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 267513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 267613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 267713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* 267813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Expands the avrule blocks for a policy. RBAC rules are copied. Neverallow 267913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * rules are copied or expanded as per the settings in the state object; all 268013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * other AV rules are expanded. If neverallow rules are expanded, they are not 268113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * copied, otherwise they are copied for later use by the assertion checker. 268213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 268313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int copy_and_expand_avrule_block(expand_state_t * state) 268413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 268513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_block_t *curblock = state->base->global; 268613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_block_t *prevblock; 268713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int retval = -1; 268813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 268913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avtab_alloc(&state->out->te_avtab, MAX_AVTAB_SIZE)) { 269013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of Memory!"); 269113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 269213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 269313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 269413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avtab_alloc(&state->out->te_cond_avtab, MAX_AVTAB_SIZE)) { 269513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of Memory!"); 269613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 269713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 269813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 269913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (curblock) { 270013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_decl_t *decl = curblock->enabled; 270113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t *cur_avrule; 270213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 270313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (decl == NULL) { 270413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* nothing was enabled within this block */ 270513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cont; 270613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 270713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 270813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy role allows and role trans */ 270913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (copy_role_allows(state, decl->role_allow_rules) != 0 || 271013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle copy_role_trans(state, decl->role_tr_rules) != 0) { 271113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 271213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 271313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 27146eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (expand_filename_trans(state, decl->filename_trans_rules)) 27156eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris goto cleanup; 27166eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 271713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* expand the range transition rules */ 271813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_range_trans(state, decl->range_tr_rules)) 271913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 272013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 272113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy rules */ 272213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_avrule = decl->avrules; 272313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur_avrule != NULL) { 272413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!(state->expand_neverallow) 272513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle && cur_avrule->specified & AVRULE_NEVERALLOW) { 272613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy this over directly so that assertions are checked later */ 272713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (copy_neverallow 272813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, state->typemap, cur_avrule)) 272913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, 273013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "Error while copying neverallow."); 273113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 273213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cur_avrule->specified & AVRULE_NEVERALLOW) { 273313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->unsupported_format = 1; 273413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 273513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (convert_and_expand_rule 273613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->handle, state->out, state->typemap, 273713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_avrule, &state->out->te_avtab, NULL, 273813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle NULL, 0, 273913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->expand_neverallow) != 274013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle EXPAND_RULE_SUCCESS) { 274113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 274213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 274313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 274413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_avrule = cur_avrule->next; 274513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 274613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 274713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy conditional rules */ 274813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_node_copy(state, decl->cond_list)) 274913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 275013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 275113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cont: 275213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle prevblock = curblock; 275313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle curblock = curblock->next; 275413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 275513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->handle && state->handle->expand_consume_base) { 275613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* set base top avrule block in case there 275713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * is an error condition and the policy needs 275813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * to be destroyed */ 275913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->base->global = curblock; 276013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_block_destroy(prevblock); 276113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 276213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 276313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 276413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle retval = 0; 276513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 276613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cleanup: 276713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 276813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 276913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 277013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* 277113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * This function allows external users of the library (such as setools) to 277213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * expand only the avrules and optionally perform expansion of neverallow rules 277313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * or expand into the same policy for analysis purposes. 277413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 277513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_module_avrules(sepol_handle_t * handle, policydb_t * base, 277613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * out, uint32_t * typemap, 277713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t * boolmap, uint32_t * rolemap, 277813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t * usermap, int verbose, 277913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int expand_neverallow) 278013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 278113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t state; 278213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 278313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_init(&state); 278413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 278513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.base = base; 278613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out = out; 278713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.typemap = typemap; 278813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.boolmap = boolmap; 278913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.rolemap = rolemap; 279013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.usermap = usermap; 279113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.handle = handle; 279213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.verbose = verbose; 279313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.expand_neverallow = expand_neverallow; 279413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 279513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return copy_and_expand_avrule_block(&state); 279613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 279713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 27989f709e6bab863036950644a7dd470d50663b558bHarry Ciaostatic void discard_tunables(sepol_handle_t *sh, policydb_t *pol) 2799ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao{ 2800ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao avrule_block_t *block; 2801ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao avrule_decl_t *decl; 2802ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cond_node_t *cur_node; 2803ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cond_expr_t *cur_expr; 28049f709e6bab863036950644a7dd470d50663b558bHarry Ciao int cur_state, preserve_tunables = 0; 2805ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao avrule_t *tail, *to_be_appended; 2806ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 28079f709e6bab863036950644a7dd470d50663b558bHarry Ciao if (sh && sh->preserve_tunables) 28089f709e6bab863036950644a7dd470d50663b558bHarry Ciao preserve_tunables = 1; 28099f709e6bab863036950644a7dd470d50663b558bHarry Ciao 2810ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* Iterate through all cond_node of all enabled decls, if a cond_node 28119f709e6bab863036950644a7dd470d50663b558bHarry Ciao * is about tunable, calculate its state value and concatenate one of 28129f709e6bab863036950644a7dd470d50663b558bHarry Ciao * its avrule list to the current decl->avrules list. On the other 28139f709e6bab863036950644a7dd470d50663b558bHarry Ciao * hand, the disabled unused branch of a tunable would be discarded. 2814ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * 2815ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * Note, such tunable cond_node would be skipped over in expansion, 2816ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * so we won't have to worry about removing it from decl->cond_list 2817ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * here :-) 2818ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * 28199f709e6bab863036950644a7dd470d50663b558bHarry Ciao * If tunables are requested to be preserved then they would be 28209f709e6bab863036950644a7dd470d50663b558bHarry Ciao * "transformed" as booleans by having their TUNABLE flag cleared. 2821ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao */ 2822ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao for (block = pol->global; block != NULL; block = block->next) { 2823ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao decl = block->enabled; 2824ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (decl == NULL || decl->enabled == 0) 2825ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao continue; 2826ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2827ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail = decl->avrules; 2828ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao while (tail && tail->next) 2829ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail = tail->next; 2830ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2831ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao for (cur_node = decl->cond_list; cur_node != NULL; 2832ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node = cur_node->next) { 28339f709e6bab863036950644a7dd470d50663b558bHarry Ciao int booleans, tunables, i; 2834ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cond_bool_datum_t *booldatum; 28359f709e6bab863036950644a7dd470d50663b558bHarry Ciao cond_bool_datum_t *tmp[COND_EXPR_MAXDEPTH]; 2836ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2837ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao booleans = tunables = 0; 28389f709e6bab863036950644a7dd470d50663b558bHarry Ciao memset(tmp, 0, sizeof(cond_bool_datum_t *) * COND_EXPR_MAXDEPTH); 2839ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2840ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao for (cur_expr = cur_node->expr; cur_expr != NULL; 2841ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_expr = cur_expr->next) { 2842ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (cur_expr->expr_type != COND_BOOL) 2843ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao continue; 2844ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao booldatum = pol->bool_val_to_struct[cur_expr->bool - 1]; 2845ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (booldatum->flags & COND_BOOL_FLAGS_TUNABLE) 28469f709e6bab863036950644a7dd470d50663b558bHarry Ciao tmp[tunables++] = booldatum; 2847ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao else 2848ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao booleans++; 2849ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2850ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2851ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* bool_copy_callback() at link phase has ensured 2852ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * that no mixture of tunables and booleans in one 28539f709e6bab863036950644a7dd470d50663b558bHarry Ciao * expression. However, this would be broken by the 28549f709e6bab863036950644a7dd470d50663b558bHarry Ciao * request to preserve tunables */ 28559f709e6bab863036950644a7dd470d50663b558bHarry Ciao if (!preserve_tunables) 28569f709e6bab863036950644a7dd470d50663b558bHarry Ciao assert(!(booleans && tunables)); 2857ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 28589f709e6bab863036950644a7dd470d50663b558bHarry Ciao if (booleans || preserve_tunables) { 2859ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->flags &= ~COND_NODE_FLAGS_TUNABLE; 28609f709e6bab863036950644a7dd470d50663b558bHarry Ciao if (tunables) { 28619f709e6bab863036950644a7dd470d50663b558bHarry Ciao for (i = 0; i < tunables; i++) 28629f709e6bab863036950644a7dd470d50663b558bHarry Ciao tmp[i]->flags &= ~COND_BOOL_FLAGS_TUNABLE; 28639f709e6bab863036950644a7dd470d50663b558bHarry Ciao } 2864ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } else { 2865ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->flags |= COND_NODE_FLAGS_TUNABLE; 2866ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_state = cond_evaluate_expr(pol, cur_node->expr); 2867ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (cur_state == -1) { 2868ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao printf("Expression result was " 2869ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao "undefined, skipping all" 2870ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao "rules\n"); 2871ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao continue; 2872ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2873ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2874ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao to_be_appended = (cur_state == 1) ? 2875ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->avtrue_list : cur_node->avfalse_list; 2876ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2877ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (tail) 2878ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail->next = to_be_appended; 2879ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao else 2880ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail = decl->avrules = to_be_appended; 2881ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2882ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* Now that the effective branch has been 2883ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * appended, neutralize its original pointer */ 2884ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (cur_state == 1) 2885ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->avtrue_list = NULL; 2886ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao else 2887ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->avfalse_list = NULL; 2888ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2889ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* Update the tail of decl->avrules for 2890ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * further concatenation */ 2891ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao while (tail && tail->next) 2892ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail = tail->next; 2893ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2894ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2895ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2896ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao} 2897ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 289813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* Linking should always be done before calling expand, even if 289913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * there is only a base since all optionals are dealt with at link time 290013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * the base passed in should be indexed and avrule blocks should be 290113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * enabled. 290213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 290313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_module(sepol_handle_t * handle, 290413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * base, policydb_t * out, int verbose, int check) 290513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 290613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int retval = -1; 290713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 290813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t state; 290913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_block_t *curblock; 291013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2911ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* Append tunable's avtrue_list or avfalse_list to the avrules list 2912ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * of its home decl depending on its state value, so that the effect 2913ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * rules of a tunable would be added to te_avtab permanently. Whereas 2914ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * the disabled unused branch would be discarded. 2915ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * 2916ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * Originally this function is called at the very end of link phase, 2917ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * however, we need to keep the linked policy intact for analysis 2918ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * purpose. */ 29199f709e6bab863036950644a7dd470d50663b558bHarry Ciao discard_tunables(handle, base); 2920ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 292113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_init(&state); 292213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 292313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.verbose = verbose; 292413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.typemap = NULL; 292513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.base = base; 292613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out = out; 292713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.handle = handle; 292813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 292913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (base->policy_type != POLICY_BASE) { 293013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Target of expand was not a base policy."); 293113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 293213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 293313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 293413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->policy_type = POLICY_KERN; 293513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->policyvers = POLICYDB_VERSION_MAX; 293613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 293713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Copy mls state from base to out */ 293813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out->mls = base->mls; 293913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out->handle_unknown = base->handle_unknown; 294013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2941505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi /* Copy target from base to out */ 2942505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi out->target_platform = base->target_platform; 2943505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi 294413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Copy policy capabilities */ 294513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&out->policycaps, &base->policycaps)) { 294613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 294713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 294813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 294913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 295013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((state.typemap = 295113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (uint32_t *) calloc(state.base->p_types.nprim, 295213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle sizeof(uint32_t))) == NULL) { 295313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 295413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 295513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 295613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 295713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.boolmap = (uint32_t *)calloc(state.base->p_bools.nprim, sizeof(uint32_t)); 295813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!state.boolmap) { 295913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 296013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 296113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 296213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 296313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.rolemap = (uint32_t *)calloc(state.base->p_roles.nprim, sizeof(uint32_t)); 296413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!state.rolemap) { 296513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 296613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 296713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 296813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 296913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.usermap = (uint32_t *)calloc(state.base->p_users.nprim, sizeof(uint32_t)); 297013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!state.usermap) { 297113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 297213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 297313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 297413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 297513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* order is important - types must be first */ 297613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 297713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy types */ 297813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_types.table, type_copy_callback, &state)) { 297913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 298013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 298113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 298213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* convert attribute type sets */ 298313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 298413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state.base->p_types.table, attr_convert_callback, &state)) { 298513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 298613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 298713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 298813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy commons */ 298913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 299013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state.base->p_commons.table, common_copy_callback, &state)) { 299113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 299213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 299313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 299413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy classes, note, this does not copy constraints, constraints can't be 299513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * copied until after all the blocks have been processed and attributes are complete */ 299613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 299713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state.base->p_classes.table, class_copy_callback, &state)) { 299813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 299913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 300013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3001f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle /* copy type bounds */ 3002f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (hashtab_map(state.base->p_types.table, 3003f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle type_bounds_copy_callback, &state)) 3004f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle goto cleanup; 3005f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 300613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy aliases */ 300713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_types.table, alias_copy_callback, &state)) 300813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 300913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 301013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* index here so that type indexes are available for role_copy_callback */ 301113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (policydb_index_others(handle, out, verbose)) { 301213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error while indexing out symbols"); 301313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 301413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 301513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 301613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy roles */ 301713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_roles.table, role_copy_callback, &state)) 301813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 3019f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (hashtab_map(state.base->p_roles.table, 3020f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle role_bounds_copy_callback, &state)) 3021f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle goto cleanup; 3022d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao /* escalate the type_set_t in a role attribute to all regular roles 3023d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * that belongs to it. */ 3024d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (hashtab_map(state.base->p_roles.table, role_fix_callback, &state)) 3025d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao goto cleanup; 302613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 302713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy MLS's sensitivity level and categories - this needs to be done 302813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * before expanding users (they need to be indexed too) */ 302913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_levels.table, sens_copy_callback, &state)) 303013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 303113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_cats.table, cats_copy_callback, &state)) 303213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 303313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (policydb_index_others(handle, out, verbose)) { 303413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error while indexing out symbols"); 303513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 303613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 303713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 303813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy users */ 303913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_users.table, user_copy_callback, &state)) 304013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 3041f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (hashtab_map(state.base->p_users.table, 3042f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle user_bounds_copy_callback, &state)) 3043f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle goto cleanup; 304413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 304513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy bools */ 304613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_bools.table, bool_copy_callback, &state)) 304713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 304813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 304913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (policydb_index_classes(out)) { 305013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error while indexing out classes"); 305113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 305213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 305313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (policydb_index_others(handle, out, verbose)) { 305413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error while indexing out symbols"); 305513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 305613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 305713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 305813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* loop through all decls and union attributes, roles, users */ 305913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (curblock = state.base->global; curblock != NULL; 306013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle curblock = curblock->next) { 306113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_decl_t *decl = curblock->enabled; 306213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 306313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (decl == NULL) { 306413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* nothing was enabled within this block */ 306513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 306613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 306713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 306813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* convert attribute type sets */ 306913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 307013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (decl->p_types.table, attr_convert_callback, &state)) { 307113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 307213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 307313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 307413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy roles */ 307513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 307613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (decl->p_roles.table, role_copy_callback, &state)) 307713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 307813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 307913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy users */ 308013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 308113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (decl->p_users.table, user_copy_callback, &state)) 308213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 308313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 308413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 308513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 308613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* remap role dominates bitmaps */ 308713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.out->p_roles.table, role_remap_dominates, &state)) { 308813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 308913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 309013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 309113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (copy_and_expand_avrule_block(&state) < 0) { 309213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error during expand"); 309313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 309413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 309513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 309613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy constraints */ 309713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 309813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state.base->p_classes.table, constraint_copy_callback, &state)) { 309913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 310013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 310113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 310213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_optimize_lists(state.out->cond_list); 3103afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris if (evaluate_conds(state.out)) 3104afe88d8c69543b2ebd6e25efdaab76f40ea4d3c7Eric Paris goto cleanup; 310513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 310613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy ocontexts */ 3107505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (ocontext_copy(&state, out->target_platform)) 310813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 310913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 311013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy genfs */ 311113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (genfs_copy(&state)) 311213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 311313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 311413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Build the type<->attribute maps and remove attributes. */ 311513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->attr_type_map = malloc(state.out->p_types.nprim * 311613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle sizeof(ebitmap_t)); 311713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->type_attr_map = malloc(state.out->p_types.nprim * 311813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle sizeof(ebitmap_t)); 311913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!state.out->attr_type_map || !state.out->type_attr_map) { 312013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 312113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 312213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 312313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < state.out->p_types.nprim; i++) { 312413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&state.out->type_attr_map[i]); 312513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&state.out->attr_type_map[i]); 312613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* add the type itself as the degenerate case */ 312713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&state.out->type_attr_map[i], i, 1)) { 312813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 312913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 313013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 313113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 313213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.out->p_types.table, type_attr_map, &state)) 313313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 313413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (check) { 313513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hierarchy_check_constraints(handle, state.out)) 313613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 313713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 313813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (check_assertions 313913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (handle, state.out, 314013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->global->branch_list->avrules)) 314113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 314213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 314313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 314413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle retval = 0; 314513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 314613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cleanup: 314713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(state.typemap); 314813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(state.boolmap); 314913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(state.rolemap); 315013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(state.usermap); 315113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 315213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 315313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 315413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_avtab_insert(avtab_t * a, avtab_key_t * k, avtab_datum_t * d) 315513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 315613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 315713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *avd; 315880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep avtab_operations_t *ops; 315980bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep unsigned int i; 316080bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep unsigned int type_match = 0; 316180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep 316280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (k->specified & AVTAB_OPNUM) { 316380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep /* 316480bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep * AVTAB_OPNUM entries are not necessarily unique. 316580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep * find node with matching ops->type 316680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep */ 316780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = avtab_search_node(a, k); 316880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep while (node) { 316980bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (node->datum.ops->type == d->ops->type) { 317080bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep type_match = 1; 317180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep break; 317280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } 317380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = avtab_search_node_next(node, k->specified); 317480bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } 317580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (!type_match) 317680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = NULL; 317780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep } else { 317880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep node = avtab_search_node(a, k); 317913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 318013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 318180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep if (!node || ((k->specified & AVTAB_ENABLED) != 318280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep (node->key.specified & AVTAB_ENABLED))) { 318313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_insert_nonunique(a, k, d); 318413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 318513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 318613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 318713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 318813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 318913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 319013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 319113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd = &node->datum; 319280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep ops = node->datum.ops; 319313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle switch (k->specified & ~AVTAB_ENABLED) { 319413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_ALLOWED: 319513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_AUDITALLOW: 319613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd->data |= d->data; 319713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 319813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_AUDITDENY: 319913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd->data &= d->data; 320013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 320180bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep case AVTAB_OPNUM_ALLOWED: 320280bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep case AVTAB_OPNUM_AUDITALLOW: 320380bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep case AVTAB_OPNUM_DONTAUDIT: 320480bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep case AVTAB_OPTYPE_ALLOWED: 320580bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep case AVTAB_OPTYPE_AUDITALLOW: 320680bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep case AVTAB_OPTYPE_DONTAUDIT: 320780bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep for (i = 0; i < ARRAY_SIZE(ops->perms); i++) 320880bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep ops->perms[i] |= d->ops->perms[i]; 320980bc7ee8faaddfa7a650994fa82a57f41a9e7475Jeff Vander Stoep break; 321013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle default: 321113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Type conflict!"); 321213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 321313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 321413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 321513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 321613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 321713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 321813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestruct expand_avtab_data { 321913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t *expa; 322013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t *p; 322113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 322213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle}; 322313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 322413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_avtab_node(avtab_key_t * k, avtab_datum_t * d, void *args) 322513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 322613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle struct expand_avtab_data *ptr = args; 322713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t *expa = ptr->expa; 322813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t *p = ptr->p; 322913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *stype = p->type_val_to_struct[k->source_type - 1]; 323013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *ttype = p->type_val_to_struct[k->target_type - 1]; 323113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t *sattr = &p->attr_type_map[k->source_type - 1]; 323213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t *tattr = &p->attr_type_map[k->target_type - 1]; 323313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode; 323413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j; 323513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t newkey; 323613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc; 323713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 323813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_class = k->target_class; 323913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.specified = k->specified; 324013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3241678ec5df790b0ff3c9dbb041be670a5916838e29Stephen Smalley if (stype && ttype && stype->flavor != TYPE_ATTRIB && ttype->flavor != TYPE_ATTRIB) { 324213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Both are individual types, no expansion required. */ 324313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return expand_avtab_insert(expa, k, d); 324413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 324513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3246678ec5df790b0ff3c9dbb041be670a5916838e29Stephen Smalley if (stype && stype->flavor != TYPE_ATTRIB) { 324713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Source is an individual type, target is an attribute. */ 324813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = k->source_type; 324913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(tattr, tnode, j) { 325013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 325113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 325213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = j + 1; 325313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_avtab_insert(expa, &newkey, d); 325413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 325513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 325613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 325713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 325813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 325913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3260678ec5df790b0ff3c9dbb041be670a5916838e29Stephen Smalley if (ttype && ttype->flavor != TYPE_ATTRIB) { 326113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Target is an individual type, source is an attribute. */ 326213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = k->target_type; 326313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(sattr, snode, i) { 326413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 326513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 326613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = i + 1; 326713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_avtab_insert(expa, &newkey, d); 326813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 326913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 327013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 327113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 327213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 327313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 327413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Both source and target type are attributes. */ 327513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(sattr, snode, i) { 327613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 327713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 327813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(tattr, tnode, j) { 327913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 328013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 328113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = i + 1; 328213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = j + 1; 328313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_avtab_insert(expa, &newkey, d); 328413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 328513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 328613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 328713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 328813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 328913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 329013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 329113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 329213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_avtab(policydb_t * p, avtab_t * a, avtab_t * expa) 329313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 329413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle struct expand_avtab_data data; 329513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 329613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avtab_alloc(expa, MAX_AVTAB_SIZE)) { 329713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 329813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 329913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 330013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 330113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle data.expa = expa; 330213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle data.p = p; 330313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return avtab_map(a, expand_avtab_node, &data); 330413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 330513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 330613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_cond_insert(cond_av_list_t ** l, 330713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t * expa, 330813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t * k, avtab_datum_t * d) 330913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 331013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 331113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *avd; 331213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t *nl; 331313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 331413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node(expa, k); 331513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node || 331613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (k->specified & AVTAB_ENABLED) != 331713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (node->key.specified & AVTAB_ENABLED)) { 331813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_insert_nonunique(expa, k, d); 331913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 332013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 332113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 332213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 332313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->parse_context = (void *)1; 332413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl = (cond_av_list_t *) malloc(sizeof(*nl)); 332513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!nl) { 332613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 332713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 332813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 332913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(nl, 0, sizeof(*nl)); 333013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl->node = node; 333113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl->next = *l; 333213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *l = nl; 333313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 333413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 333513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 333613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd = &node->datum; 333713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle switch (k->specified & ~AVTAB_ENABLED) { 333813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_ALLOWED: 333913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_AUDITALLOW: 334013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd->data |= d->data; 334113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 334213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_AUDITDENY: 334313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd->data &= d->data; 334413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 334513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle default: 334613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Type conflict!"); 334713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 334813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 334913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 335013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 335113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 335213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 335313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_cond_av_node(policydb_t * p, 335413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node, 335513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** newl, avtab_t * expa) 335613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 335713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t *k = &node->key; 335813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *d = &node->datum; 335913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *stype = p->type_val_to_struct[k->source_type - 1]; 336013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *ttype = p->type_val_to_struct[k->target_type - 1]; 336113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t *sattr = &p->attr_type_map[k->source_type - 1]; 336213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t *tattr = &p->attr_type_map[k->target_type - 1]; 336313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode; 336413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j; 336513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t newkey; 336613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc; 336713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 336813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_class = k->target_class; 336913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.specified = k->specified; 337013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3371678ec5df790b0ff3c9dbb041be670a5916838e29Stephen Smalley if (stype && ttype && stype->flavor != TYPE_ATTRIB && ttype->flavor != TYPE_ATTRIB) { 337213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Both are individual types, no expansion required. */ 337313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return expand_cond_insert(newl, expa, k, d); 337413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 337513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3376678ec5df790b0ff3c9dbb041be670a5916838e29Stephen Smalley if (stype && stype->flavor != TYPE_ATTRIB) { 337713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Source is an individual type, target is an attribute. */ 337813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = k->source_type; 337913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(tattr, tnode, j) { 338013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 338113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 338213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = j + 1; 338313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_cond_insert(newl, expa, &newkey, d); 338413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 338513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 338613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 338713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 338813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 338913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 3390678ec5df790b0ff3c9dbb041be670a5916838e29Stephen Smalley if (ttype && ttype->flavor != TYPE_ATTRIB) { 339113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Target is an individual type, source is an attribute. */ 339213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = k->target_type; 339313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(sattr, snode, i) { 339413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 339513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 339613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = i + 1; 339713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_cond_insert(newl, expa, &newkey, d); 339813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 339913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 340013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 340113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 340213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 340313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 340413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Both source and target type are attributes. */ 340513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(sattr, snode, i) { 340613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 340713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 340813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(tattr, tnode, j) { 340913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 341013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 341113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = i + 1; 341213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = j + 1; 341313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_cond_insert(newl, expa, &newkey, d); 341413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 341513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 341613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 341713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 341813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 341913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 342013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 342113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 342213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_cond_av_list(policydb_t * p, cond_av_list_t * l, 342313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** newl, avtab_t * expa) 342413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 342513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t *cur; 342613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 342713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc; 342813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 342913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avtab_alloc(expa, MAX_AVTAB_SIZE)) { 343013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 343113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 343213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 343313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 343413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *newl = NULL; 343513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (cur = l; cur; cur = cur->next) { 343613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = cur->node; 343713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_cond_av_node(p, node, newl, expa); 343813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 343913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return rc; 344013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 344113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 344213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 344313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 3444