expand.c revision 9f709e6bab863036950644a7dd470d50663b558b
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!"); 25413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_common); 25513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 25613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 25713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 25813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_common->s.value = common->s.value; 25913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_commons.nprim++; 26013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 26113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = 26213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle hashtab_insert(state->out->p_commons.table, new_id, 26313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t *) new_common); 26413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 26513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 26613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_common); 26713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 26813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 26913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 27013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 27113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 27213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (common->permissions.table, perm_copy_callback, 27313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_common->permissions)) { 27413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 27513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 27613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 27713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 27813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 27913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 28013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 28113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int constraint_node_clone(constraint_node_t ** dst, 28213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_node_t * src, 28313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t * state) 28413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 28513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_node_t *new_con = NULL, *last_new_con = NULL; 28613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_expr_t *new_expr = NULL; 28713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *dst = NULL; 28813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (src != NULL) { 28913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_expr_t *expr, *expr_l = NULL; 29013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_con = 29113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (constraint_node_t *) malloc(sizeof(constraint_node_t)); 29213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_con) { 29313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 29413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 29513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_con, 0, sizeof(constraint_node_t)); 29613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_con->permissions = src->permissions; 29713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (expr = src->expr; expr; expr = expr->next) { 29813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((new_expr = calloc(1, sizeof(*new_expr))) == NULL) { 29913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 30013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 30113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (constraint_expr_init(new_expr) == -1) { 30213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 30313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 30413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_expr->expr_type = expr->expr_type; 30513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_expr->attr = expr->attr; 30613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_expr->op = expr->op; 30713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_expr->expr_type == CEXPR_NAMES) { 30813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_expr->attr & CEXPR_TYPE) { 30913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Type sets require expansion and conversion. */ 31013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set(state->out, 31113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state-> 31213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle typemap, 31313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expr-> 31413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_names, 31513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_expr-> 31613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle names, 1)) { 31713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 31813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 31913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (new_expr->attr & CEXPR_ROLE) { 32013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&expr->names, &new_expr->names, state->rolemap)) { 32113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 32213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 32313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (new_expr->attr & CEXPR_USER) { 32413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&expr->names, &new_expr->names, state->usermap)) { 32513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 32613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 32713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 32813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Other kinds of sets do not. */ 32913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&new_expr->names, 33013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &expr->names)) { 33113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 33213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 33313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 33413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 33513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expr_l) { 33613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expr_l->next = new_expr; 33713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 33813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_con->expr = new_expr; 33913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 34013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expr_l = new_expr; 34113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_expr = NULL; 34213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 34313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (last_new_con == NULL) { 34413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *dst = new_con; 34513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 34613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle last_new_con->next = new_con; 34713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 34813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle last_new_con = new_con; 34913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle src = src->next; 35013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 35113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 35213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 35313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out_of_mem: 35413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 35513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_con) 35613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_con); 35713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle constraint_expr_destroy(new_expr); 35813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 35913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 36013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 36113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int class_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 36213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 36313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 36413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 36513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 36613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_datum_t *class, *new_class; 36713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 36813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 36913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 37013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class = (class_datum_t *) datum; 37113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 37213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 37313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_CLASSES)) { 37413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 37513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 37613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 37713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 37813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 37913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying class %s", id); 38013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 38113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class = (class_datum_t *) malloc(sizeof(class_datum_t)); 38213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_class) { 38313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 38413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 38513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 38613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_class, 0, sizeof(class_datum_t)); 38713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (symtab_init(&new_class->permissions, PERM_SYMTAB_SIZE)) { 38813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 38913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_class); 39013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 39113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 39213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 39313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->s.value = class->s.value; 39413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_classes.nprim++; 39513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 39613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 39713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 39813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 39913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_class); 40013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 40113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 40213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 40313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = 40413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle hashtab_insert(state->out->p_classes.table, new_id, 40513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t *) new_class); 40613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 40713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 40813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_class); 40913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 41013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 41113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 41213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 41313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 41413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (class->permissions.table, perm_copy_callback, 41513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_class->permissions)) { 41613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 41713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 41813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 41913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 42013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (class->comkey) { 42113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comkey = strdup(class->comkey); 42213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_class->comkey) { 42313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 42413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 42513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 42613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 42713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comdatum = 42813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle hashtab_search(state->out->p_commons.table, 42913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comkey); 43013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_class->comdatum) { 43113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "could not find common datum %s", 43213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comkey); 43313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 43413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 43513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->permissions.nprim += 43613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class->comdatum->permissions.nprim; 43713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 43813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 43913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 44013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 44113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 44213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int constraint_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 44313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 44413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 44513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id; 44613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_datum_t *class, *new_class; 44713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 44813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 44913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 45013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class = (class_datum_t *) datum; 45113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 45213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 45313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_class = hashtab_search(state->out->p_classes.table, id); 45413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_class) { 45513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "class %s vanished", id); 45613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 45713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 45813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 45913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* constraints */ 46013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (constraint_node_clone 46113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (&new_class->constraints, class->constraints, state) == -1 46213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle || constraint_node_clone(&new_class->validatetrans, 46313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class->validatetrans, state) == -1) { 46413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 46513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 46613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 46713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 46813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 469f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle/* 470f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle * The boundaries have to be copied after the types/roles/users are copied, 471f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle * because it refers hashtab to lookup destinated objects. 472f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle */ 473f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindlestatic int type_bounds_copy_callback(hashtab_key_t key, 474f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle hashtab_datum_t datum, void *data) 475f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle{ 476f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle expand_state_t *state = (expand_state_t *) data; 477f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle type_datum_t *type = (type_datum_t *) datum; 478f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle type_datum_t *dest; 479f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle uint32_t bounds_val; 480f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 481f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!type->bounds) 482f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 483f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 484f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!is_id_enabled((char *)key, state->base, SYM_TYPES)) 485f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 486f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 487f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle bounds_val = state->typemap[type->bounds - 1]; 488f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 489f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest = hashtab_search(state->out->p_types.table, (char *)key); 490f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!dest) { 491f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Type lookup failed for %s", (char *)key); 492f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 493f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 494f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (dest->bounds != 0 && dest->bounds != bounds_val) { 495f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Inconsistent boundary for %s", (char *)key); 496f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 497f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 498f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest->bounds = bounds_val; 499f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 500f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 501f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle} 502f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 503f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindlestatic int role_bounds_copy_callback(hashtab_key_t key, 504f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle hashtab_datum_t datum, void *data) 505f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle{ 506f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle expand_state_t *state = (expand_state_t *) data; 507f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle role_datum_t *role = (role_datum_t *) datum; 508f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle role_datum_t *dest; 509f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle uint32_t bounds_val; 510f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 511f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!role->bounds) 512f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 513f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 514f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!is_id_enabled((char *)key, state->base, SYM_ROLES)) 515f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 516f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 517f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle bounds_val = state->rolemap[role->bounds - 1]; 518f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 519f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest = hashtab_search(state->out->p_roles.table, (char *)key); 520f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!dest) { 521f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Role lookup failed for %s", (char *)key); 522f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 523f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 524f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (dest->bounds != 0 && dest->bounds != bounds_val) { 525f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Inconsistent boundary for %s", (char *)key); 526f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 527f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 528f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest->bounds = bounds_val; 529f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 530f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 531f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle} 532f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 533f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindlestatic int user_bounds_copy_callback(hashtab_key_t key, 534f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle hashtab_datum_t datum, void *data) 535f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle{ 536f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle expand_state_t *state = (expand_state_t *) data; 537f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle user_datum_t *user = (user_datum_t *) datum; 538f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle user_datum_t *dest; 539f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle uint32_t bounds_val; 540f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 541f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!user->bounds) 542f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 543f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 544f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!is_id_enabled((char *)key, state->base, SYM_USERS)) 545f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 546f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 547f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle bounds_val = state->usermap[user->bounds - 1]; 548f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 549f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest = hashtab_search(state->out->p_users.table, (char *)key); 550f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (!dest) { 551f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "User lookup failed for %s", (char *)key); 552f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 553f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 554f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (dest->bounds != 0 && dest->bounds != bounds_val) { 555f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle ERR(state->handle, "Inconsistent boundary for %s", (char *)key); 556f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return -1; 557f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle } 558f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle dest->bounds = bounds_val; 559f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 560f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle return 0; 561f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle} 562f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 56313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* The aliases have to be copied after the types and attributes to be certain that 56413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * the out symbol table will have the type that the alias refers. Otherwise, we 56513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * won't be able to find the type value for the alias. We can't depend on the 56613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * declaration ordering because of the hash table. 56713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 56813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int alias_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 56913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 57013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 57113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 57213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 57313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *alias, *new_alias; 57413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 575e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle uint32_t prival; 57613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 57713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = (char *)key; 57813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle alias = (type_datum_t *) datum; 57913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 58013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 58113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* ignore regular types */ 58213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (alias->flavor == TYPE_TYPE && alias->primary) 58313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 58413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 58513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* ignore attributes */ 58613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (alias->flavor == TYPE_ATTRIB) 58713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 58813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 589e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle if (alias->flavor == TYPE_ALIAS) 590e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle prival = alias->primary; 591e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle else 592e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle prival = alias->s.value; 593e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle 594e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle if (!is_id_enabled(state->base->p_type_val_to_name[prival - 1], 595e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle state->base, SYM_TYPES)) { 596e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle /* The primary type for this alias is not enabled, the alias 597e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle * shouldn't be either */ 598e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle return 0; 599e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle } 600e61b36a5c78852c5d30d9512e0c69546d23ea25cJoshua Brindle 60113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 60213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying alias %s", id); 60313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 60413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 60513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 60613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 60713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 60813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 60913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 61013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_alias = (type_datum_t *) malloc(sizeof(type_datum_t)); 61113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_alias) { 61213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 61313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 61413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return SEPOL_ENOMEM; 61513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 61613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_alias, 0, sizeof(type_datum_t)); 61713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (alias->flavor == TYPE_TYPE) 61813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_alias->s.value = state->typemap[alias->s.value - 1]; 61913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else if (alias->flavor == TYPE_ALIAS) 62013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_alias->s.value = state->typemap[alias->primary - 1]; 62113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else 62213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* unreachable */ 62313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 62413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_alias->flags = alias->flags; 62513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 62613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_types.table, 62713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 62813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_alias); 62913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 63013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 63113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 63213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_alias); 63313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 63413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 63513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 63613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 63713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->typemap[alias->s.value - 1] = new_alias->s.value; 63813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 63913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_alias->flags & TYPE_FLAGS_PERMISSIVE) 64013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&state->out->permissive_map, new_alias->s.value, 1)) { 64113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 64213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 64313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 64413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 64513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 64613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 64713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 64813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int role_remap_dominates(hashtab_key_t key __attribute__ ((unused)), hashtab_datum_t datum, void *data) 64913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 65013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t mapped_roles; 65113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_datum_t *role = (role_datum_t *) datum; 65213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state = (expand_state_t *) data; 65313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 65413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&role->dominates, &mapped_roles, state->rolemap)) 65513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 65613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 65713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&role->dominates); 65813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 65913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&role->dominates, &mapped_roles)) 66013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 66113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 66213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&mapped_roles); 66313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 66413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 66513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 66613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 667d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao/* For the role attribute in the base module, escalate its counterpart's 668d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * types.types ebitmap in the out module to the counterparts of all the 669d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * regular role that belongs to the current role attribute. Note, must be 670d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * invoked after role_copy_callback so that state->rolemap is available. 671d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao */ 672d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciaostatic int role_fix_callback(hashtab_key_t key, hashtab_datum_t datum, 673d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao void *data) 674d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao{ 675d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao char *id, *base_reg_role_id; 676d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao role_datum_t *role, *new_role, *regular_role; 677d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao expand_state_t *state; 678d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_node_t *rnode; 679d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao unsigned int i; 680d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_t mapped_roles; 681d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 682d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao id = key; 683d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao role = (role_datum_t *)datum; 684d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao state = (expand_state_t *)data; 685d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 686d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (strcmp(id, OBJECT_R) == 0) { 687d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao /* object_r is never a role attribute by far */ 688d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return 0; 689d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 690d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 691d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (role->flavor != ROLE_ATTRIB) 692d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return 0; 693d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 694d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (state->verbose) 695d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao INFO(state->handle, "fixing role attribute %s", id); 696d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 697d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao new_role = 698d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao (role_datum_t *)hashtab_search(state->out->p_roles.table, id); 699d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 700d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao assert(new_role != NULL && new_role->flavor == ROLE_ATTRIB); 701d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 702d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_init(&mapped_roles); 703d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (map_ebitmap(&role->roles, &mapped_roles, state->rolemap)) 704d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return -1; 705d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (ebitmap_union(&new_role->roles, &mapped_roles)) { 706d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ERR(state->handle, "Out of memory!"); 707d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_destroy(&mapped_roles); 708d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return -1; 709d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 710d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_destroy(&mapped_roles); 711d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 712d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ebitmap_for_each_bit(&role->roles, rnode, i) { 713d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (ebitmap_node_get_bit(rnode, i)) { 714d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao /* take advantage of sym_val_to_name[] 715d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * of the base module */ 716d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao base_reg_role_id = state->base->p_role_val_to_name[i]; 717d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao regular_role = (role_datum_t *)hashtab_search( 718d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao state->out->p_roles.table, 719d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao base_reg_role_id); 720d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao assert(regular_role != NULL && 721d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao regular_role->flavor == ROLE_ROLE); 722d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 723d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (ebitmap_union(®ular_role->types.types, 724d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao &new_role->types.types)) { 725d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao ERR(state->handle, "Out of memory!"); 726d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return -1; 727d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 728d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 729d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao } 730d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 731d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao return 0; 732d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao} 733d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao 73413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int role_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 73513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 73613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 73713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 73813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 73913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_datum_t *role; 74013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_datum_t *new_role; 74113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 74213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t tmp_union_types; 74313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 74413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = key; 74513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role = (role_datum_t *) datum; 74613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 74713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 74813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (strcmp(id, OBJECT_R) == 0) { 74913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* object_r is always value 1 */ 75013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->rolemap[role->s.value - 1] = 1; 75113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 75213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 75313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 75413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_ROLES)) { 75513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 75613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 75713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 75813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 75913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 76013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying role %s", id); 76113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 76213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_role = 76313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (role_datum_t *) hashtab_search(state->out->p_roles.table, id); 76413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_role) { 76513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_role = (role_datum_t *) malloc(sizeof(role_datum_t)); 76613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_role) { 76713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 76813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 76913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 77013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_role, 0, sizeof(role_datum_t)); 77113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 77213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 77313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 77413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 77513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 77613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 77713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 77813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_roles.nprim++; 779d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao new_role->flavor = role->flavor; 78013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_role->s.value = state->out->p_roles.nprim; 78113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->rolemap[role->s.value - 1] = new_role->s.value; 78213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_roles.table, 78313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 78413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_role); 78513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 78613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 78713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 78813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_role); 78913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 79013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 79113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 79213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 79313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 79413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* The dominates bitmap is going to be wrong for the moment, 79513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * we'll come back later and remap them, after we are sure all 79613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * the roles have been added */ 79713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union(&new_role->dominates, &role->dominates)) { 79813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 79913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 80013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 80113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 80213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&tmp_union_types); 80313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 80413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* convert types in the role datum in the global symtab */ 80513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 80613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, state->typemap, &role->types, &tmp_union_types, 1)) { 80713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union_types); 80813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 80913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 81013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 81113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 81213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union(&new_role->types.types, &tmp_union_types)) { 81313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 81413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union_types); 81513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 81613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 81713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union_types); 81813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 81913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 82013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 82113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 82213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint mls_semantic_level_expand(mls_semantic_level_t * sl, mls_level_t * l, 82313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * p, sepol_handle_t * h) 82413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 82513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_semantic_cat_t *cat; 82613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle level_datum_t *levdatum; 82713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 82813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 82913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_init(l); 83013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 83113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!p->mls) 83213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 83313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 83413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Required not declared. */ 83513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!sl->sens) 83613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 83713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 83813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l->sens = sl->sens; 83913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle levdatum = (level_datum_t *) hashtab_search(p->p_levels.table, 84013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_sens_val_to_name[l-> 84113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle sens - 84213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1]); 84313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (cat = sl->cat; cat; cat = cat->next) { 84413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cat->low > cat->high) { 84513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(h, "Category range is not valid %s.%s", 84613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_cat_val_to_name[cat->low - 1], 84713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_cat_val_to_name[cat->high - 1]); 84813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 84913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 85013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = cat->low - 1; i < cat->high; i++) { 85113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_get_bit(&levdatum->level->cat, i)) { 85213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(h, "Category %s can not be associate with " 85313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "level %s", 85413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_cat_val_to_name[i], 85513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_sens_val_to_name[l->sens - 1]); 85613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 85713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&l->cat, i, 1)) { 85813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(h, "Out of memory!"); 85913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 86013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 86113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 86213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 86313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 86413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 86513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 86613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 86713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint mls_semantic_range_expand(mls_semantic_range_t * sr, mls_range_t * r, 86813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * p, sepol_handle_t * h) 86913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 87013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_level_expand(&sr->level[0], &r->level[0], p, h) < 0) 87113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 87213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 87313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_level_expand(&sr->level[1], &r->level[1], p, h) < 0) { 87413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_semantic_level_destroy(&sr->level[0]); 87513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 87613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 87713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 87813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!mls_level_dom(&r->level[1], &r->level[0])) { 87913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(r); 88013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(h, "MLS range high level does not dominate low level"); 88113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 88213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 88313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 88413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 88513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 88613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 88713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int user_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 88813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 88913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 89013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 89113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 89213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle user_datum_t *user; 89313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle user_datum_t *new_user; 89413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 89513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t tmp_union; 89613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 89713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = key; 89813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle user = (user_datum_t *) datum; 89913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 90013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 90113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_USERS)) { 90213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 90313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 90413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 90513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 90613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 90713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying user %s", id); 90813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 90913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_user = 91013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (user_datum_t *) hashtab_search(state->out->p_users.table, id); 91113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_user) { 91213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_user = (user_datum_t *) malloc(sizeof(user_datum_t)); 91313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_user) { 91413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 91513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 91613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 91713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(new_user, 0, sizeof(user_datum_t)); 91813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 91913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_users.nprim++; 92013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_user->s.value = state->out->p_users.nprim; 92113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->usermap[user->s.value - 1] = new_user->s.value; 92213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 92313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 92413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 92513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 92613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 92713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 92813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_users.table, 92913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 93013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_user); 93113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 93213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 93313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle user_datum_destroy(new_user); 93413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_user); 93513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 93613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 93713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 93813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 93913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* expand the semantic MLS info */ 94013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_range_expand(&user->range, 94113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_user->exp_range, 94213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out, state->handle)) { 94313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 94413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 94513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_level_expand(&user->dfltlevel, 94613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_user->exp_dfltlevel, 94713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out, state->handle)) { 94813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 94913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 95013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!mls_level_between(&new_user->exp_dfltlevel, 95113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_user->exp_range.level[0], 95213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_user->exp_range.level[1])) { 95313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "default level not within user " 95413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "range"); 95513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 95613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 95713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 95813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* require that the MLS info match */ 95913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_t tmp_range; 96013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_t tmp_level; 96113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 96213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_range_expand(&user->range, &tmp_range, 96313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out, state->handle)) { 96413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 96513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 96613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_level_expand(&user->dfltlevel, &tmp_level, 96713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out, state->handle)) { 96813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(&tmp_range); 96913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 97013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 97113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!mls_range_eq(&new_user->exp_range, &tmp_range) || 97213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle !mls_level_eq(&new_user->exp_dfltlevel, &tmp_level)) { 97313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(&tmp_range); 97413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_destroy(&tmp_level); 97513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 97613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 97713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(&tmp_range); 97813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_destroy(&tmp_level); 97913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 98013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 98113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&tmp_union); 98213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 98313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* get global roles for this user */ 9843592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role_set_expand(&user->roles, &tmp_union, state->out, state->base, state->rolemap)) { 98513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 98613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union); 98713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 98813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 98913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 99013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union(&new_user->roles.roles, &tmp_union)) { 99113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 99213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union); 99313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 99413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 99513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&tmp_union); 99613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 99713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 99813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 99913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 100013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int bool_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 100113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 100213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 100313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int ret; 100413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state; 100513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_bool_datum_t *bool, *new_bool; 100613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id, *new_id; 100713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 100813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle id = key; 100913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle bool = (cond_bool_datum_t *) datum; 101013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state = (expand_state_t *) data; 101113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 101213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_BOOLS)) { 101313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 101413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 101513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 101613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 10175722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao if (bool->flags & COND_BOOL_FLAGS_TUNABLE) { 10185722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao /* Skip tunables */ 10195722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao return 0; 10205722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao } 10215722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao 102213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 102313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying boolean %s", id); 102413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 102513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_bool = (cond_bool_datum_t *) malloc(sizeof(cond_bool_datum_t)); 102613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_bool) { 102713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 102813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 102913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 103013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 103113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 103213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) { 103313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 103413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_bool); 103513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 103613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 103713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 103813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_bools.nprim++; 103913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_bool->s.value = state->out->p_bools.nprim; 104013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 104113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ret = hashtab_insert(state->out->p_bools.table, 104213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 104313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_bool); 104413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ret) { 104513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "hashtab overflow"); 104613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_bool); 104713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 104813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 104913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 105013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 105113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->boolmap[bool->s.value - 1] = new_bool->s.value; 105213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 105313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_bool->state = bool->state; 10545722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao new_bool->flags = bool->flags; 105513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 105613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 105713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 105813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 105913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int sens_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 106013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 106113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 106213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state = (expand_state_t *) data; 106313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle level_datum_t *level = (level_datum_t *) datum, *new_level = NULL; 106413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id = (char *)key, *new_id = NULL; 106513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 106613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_LEVELS)) { 106713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 106813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 106913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 107013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 107113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 107213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying sensitivity level %s", id); 107313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 107413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_level = (level_datum_t *) malloc(sizeof(level_datum_t)); 107513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_level) 107613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 107713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle level_datum_init(new_level); 107813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_level->level = (mls_level_t *) malloc(sizeof(mls_level_t)); 107913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_level->level) 108013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 108113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_init(new_level->level); 108213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 108313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) 108413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 108513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 108613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_level_cpy(new_level->level, level->level)) { 108713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 108813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 108913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_level->isalias = level->isalias; 109013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_levels.nprim++; 109113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 109213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_insert(state->out->p_levels.table, 109313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, 109413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_datum_t) new_level)) { 109513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 109613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 109713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 109813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 109913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out_of_mem: 110013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 110113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (new_level != NULL && new_level->level != NULL) { 110213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_level_destroy(new_level->level); 110313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_level->level); 110413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 110513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle level_datum_destroy(new_level); 110613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_level); 110713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 110813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 110913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 111013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 111113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int cats_copy_callback(hashtab_key_t key, hashtab_datum_t datum, 111213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *data) 111313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 111413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state = (expand_state_t *) data; 111513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cat_datum_t *cat = (cat_datum_t *) datum, *new_cat = NULL; 111613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle char *id = (char *)key, *new_id = NULL; 111713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 111813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!is_id_enabled(id, state->base, SYM_CATS)) { 111913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* identifier's scope is not enabled */ 112013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 112113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 112213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 112313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 112413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "copying category attribute %s", id); 112513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 112613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cat = (cat_datum_t *) malloc(sizeof(cat_datum_t)); 112713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_cat) 112813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 112913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cat_datum_init(new_cat); 113013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_id = strdup(id); 113113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_id) 113213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 113313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 113413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cat->s.value = cat->s.value; 113513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cat->isalias = cat->isalias; 113613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_cats.nprim++; 113713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_insert(state->out->p_cats.table, 113813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (hashtab_key_t) new_id, (hashtab_datum_t) new_cat)) { 113913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out_of_mem; 114013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 114113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 114213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 114313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 114413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out_of_mem: 114513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 114613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cat_datum_destroy(new_cat); 114713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_cat); 114813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(new_id); 114913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 115013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 115113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 115213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int copy_role_allows(expand_state_t * state, role_allow_rule_t * rules) 115313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 115413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j; 115513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_allow_t *cur_allow, *n, *l; 115613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_allow_rule_t *cur; 115713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t roles, new_roles; 115813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode; 115913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 116013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* start at the end of the list */ 116113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (l = state->out->role_allow; l && l->next; l = l->next) ; 116213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 116313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = rules; 116413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 116513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&roles); 116613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&new_roles); 116713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 11683592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role_set_expand(&cur->roles, &roles, state->out, state->base, state->rolemap)) { 116913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 117013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 117113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 117213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 11733592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role_set_expand(&cur->new_roles, &new_roles, state->out, state->base, state->rolemap)) { 117413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 117513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 117613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 117713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 117813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&roles, snode, i) { 117913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 118013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 118113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&new_roles, tnode, j) { 118213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 118313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 118413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* check for duplicates */ 118513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_allow = state->out->role_allow; 118613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur_allow) { 118713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((cur_allow->role == i + 1) && 118813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (cur_allow->new_role == j + 1)) 118913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 119013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_allow = cur_allow->next; 119113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 119213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cur_allow) 119313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 119413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n = (role_allow_t *) 119513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle malloc(sizeof(role_allow_t)); 119613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!n) { 119713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 119813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 119913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 120013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(n, 0, sizeof(role_allow_t)); 120113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->role = i + 1; 120213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->new_role = j + 1; 120313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (l) { 120413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l->next = n; 120513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 120613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->role_allow = n; 120713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 120813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = n; 120913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 121013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 121113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 121213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&roles); 121313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&new_roles); 121413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 121513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 121613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 121713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 121813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 121913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 122013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 122113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int copy_role_trans(expand_state_t * state, role_trans_rule_t * rules) 122213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 12236db9b74210197f792a52038abbd10e946e99e49dHarry Ciao unsigned int i, j, k; 122413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_trans_t *n, *l, *cur_trans; 122513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle role_trans_rule_t *cur; 122613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t roles, types; 12276db9b74210197f792a52038abbd10e946e99e49dHarry Ciao ebitmap_node_t *rnode, *tnode, *cnode; 122813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 122913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* start at the end of the list */ 123013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (l = state->out->role_tr; l && l->next; l = l->next) ; 123113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 123213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = rules; 123313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 123413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&roles); 123513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&types); 123613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 12373592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role_set_expand(&cur->roles, &roles, state->out, state->base, state->rolemap)) { 123813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 123913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 124013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 124113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 124213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, state->typemap, &cur->types, &types, 1)) { 124313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 124413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 124513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 124613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&roles, rnode, i) { 124713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(rnode, i)) 124813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 124913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&types, tnode, j) { 125013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 125113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 12526db9b74210197f792a52038abbd10e946e99e49dHarry Ciao ebitmap_for_each_bit(&cur->classes, cnode, k) { 12536db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if (!ebitmap_node_get_bit(cnode, k)) 12546db9b74210197f792a52038abbd10e946e99e49dHarry Ciao continue; 12556db9b74210197f792a52038abbd10e946e99e49dHarry Ciao 12566db9b74210197f792a52038abbd10e946e99e49dHarry Ciao cur_trans = state->out->role_tr; 12576db9b74210197f792a52038abbd10e946e99e49dHarry Ciao while (cur_trans) { 12581867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris unsigned int mapped_role; 12591867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris 12601867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris mapped_role = state->rolemap[cur->new_role - 1]; 12611867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris 12626db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if ((cur_trans->role == 12636db9b74210197f792a52038abbd10e946e99e49dHarry Ciao i + 1) && 12646db9b74210197f792a52038abbd10e946e99e49dHarry Ciao (cur_trans->type == 12656db9b74210197f792a52038abbd10e946e99e49dHarry Ciao j + 1) && 12666db9b74210197f792a52038abbd10e946e99e49dHarry Ciao (cur_trans->tclass == 12676db9b74210197f792a52038abbd10e946e99e49dHarry Ciao k + 1)) { 12681867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris if (cur_trans->new_role == mapped_role) { 12696db9b74210197f792a52038abbd10e946e99e49dHarry Ciao break; 12706db9b74210197f792a52038abbd10e946e99e49dHarry Ciao } else { 12716db9b74210197f792a52038abbd10e946e99e49dHarry Ciao ERR(state->handle, 12721867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris "Conflicting role trans rule %s %s : %s { %s vs %s }", 12736db9b74210197f792a52038abbd10e946e99e49dHarry Ciao state->out->p_role_val_to_name[i], 12746db9b74210197f792a52038abbd10e946e99e49dHarry Ciao state->out->p_type_val_to_name[j], 12756db9b74210197f792a52038abbd10e946e99e49dHarry Ciao state->out->p_class_val_to_name[k], 12761867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris state->out->p_role_val_to_name[mapped_role - 1], 12771867652e5424e867cea542a9311ccdc5fa9ec835Eric Paris state->out->p_role_val_to_name[cur_trans->new_role - 1]); 12786db9b74210197f792a52038abbd10e946e99e49dHarry Ciao return -1; 12796db9b74210197f792a52038abbd10e946e99e49dHarry Ciao } 128013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 12816db9b74210197f792a52038abbd10e946e99e49dHarry Ciao cur_trans = cur_trans->next; 128213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 12836db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if (cur_trans) 12846db9b74210197f792a52038abbd10e946e99e49dHarry Ciao continue; 12856db9b74210197f792a52038abbd10e946e99e49dHarry Ciao 12866db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n = (role_trans_t *) 12876db9b74210197f792a52038abbd10e946e99e49dHarry Ciao malloc(sizeof(role_trans_t)); 12886db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if (!n) { 12896db9b74210197f792a52038abbd10e946e99e49dHarry Ciao ERR(state->handle, 12906db9b74210197f792a52038abbd10e946e99e49dHarry Ciao "Out of memory!"); 12916db9b74210197f792a52038abbd10e946e99e49dHarry Ciao return -1; 12926db9b74210197f792a52038abbd10e946e99e49dHarry Ciao } 12936db9b74210197f792a52038abbd10e946e99e49dHarry Ciao memset(n, 0, sizeof(role_trans_t)); 12946db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n->role = i + 1; 12956db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n->type = j + 1; 12966db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n->tclass = k + 1; 12976db9b74210197f792a52038abbd10e946e99e49dHarry Ciao n->new_role = state->rolemap 12986db9b74210197f792a52038abbd10e946e99e49dHarry Ciao [cur->new_role - 1]; 12996db9b74210197f792a52038abbd10e946e99e49dHarry Ciao if (l) 13006db9b74210197f792a52038abbd10e946e99e49dHarry Ciao l->next = n; 13016db9b74210197f792a52038abbd10e946e99e49dHarry Ciao else 13026db9b74210197f792a52038abbd10e946e99e49dHarry Ciao state->out->role_tr = n; 13036db9b74210197f792a52038abbd10e946e99e49dHarry Ciao 13046db9b74210197f792a52038abbd10e946e99e49dHarry Ciao l = n; 130513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 130613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 130713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 130813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 130913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&roles); 131013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&types); 131113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 131213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 131313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 131413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 131513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 131613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 13176eeb71538ea29b639ac7549831cd1aa4da32722aEric Parisstatic int expand_filename_trans(expand_state_t *state, filename_trans_rule_t *rules) 13186eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris{ 13196eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris unsigned int i, j; 13206eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris filename_trans_t *new_trans, *tail, *cur_trans; 13216eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris filename_trans_rule_t *cur_rule; 13226eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_t stypes, ttypes; 13236eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_node_t *snode, *tnode; 13246eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13256eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris /* start at the end of the list */ 13266eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris tail = state->out->filename_trans; 13276eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris while (tail && tail->next) 13286eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris tail = tail->next; 13296eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13306eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris cur_rule = rules; 13316eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris while (cur_rule) { 13326eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_init(&stypes); 13336eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_init(&ttypes); 13346eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13356eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (expand_convert_type_set(state->out, state->typemap, 13366eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris &cur_rule->stypes, &stypes, 1)) { 13376eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Out of memory!"); 13386eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 13396eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 13406eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13416eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (expand_convert_type_set(state->out, state->typemap, 13426eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris &cur_rule->ttypes, &ttypes, 1)) { 13436eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Out of memory!"); 13446eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 13456eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 13466eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13476eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_for_each_bit(&stypes, snode, i) { 13486eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (!ebitmap_node_get_bit(snode, i)) 13496eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris continue; 13506eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_for_each_bit(&ttypes, tnode, j) { 13516eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (!ebitmap_node_get_bit(tnode, j)) 13526eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris continue; 13536eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13546eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris cur_trans = state->out->filename_trans; 13556eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris while (cur_trans) { 13566eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if ((cur_trans->stype == i + 1) && 13576eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris (cur_trans->ttype == j + 1) && 13586eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris (cur_trans->tclass == cur_rule->tclass) && 13596eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris (!strcmp(cur_trans->name, cur_rule->name))) { 13606eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris /* duplicate rule, who cares */ 13616eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (cur_trans->otype == cur_rule->otype) 13626eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris break; 13636eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13646eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Conflicting filename trans rules %s %s %s : %s otype1:%s otype2:%s", 13656eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris cur_trans->name, 13666eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_type_val_to_name[i], 13676eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_type_val_to_name[j], 13686eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_class_val_to_name[cur_trans->tclass - 1], 13696eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_type_val_to_name[cur_trans->otype - 1], 13706eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->p_type_val_to_name[state->typemap[cur_rule->otype - 1] - 1]); 13716eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13726eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 13736eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 13746eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris cur_trans = cur_trans->next; 13756eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 13766eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris /* duplicate rule, who cares */ 13776eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (cur_trans) 13786eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris continue; 13796eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13806eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans = malloc(sizeof(*new_trans)); 13816eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (!new_trans) { 13826eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Out of memory!"); 13836eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 13846eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 13856eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris memset(new_trans, 0, sizeof(*new_trans)); 13866eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (tail) 13876eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris tail->next = new_trans; 13886eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris else 13896eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris state->out->filename_trans = new_trans; 13906eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris tail = new_trans; 13916eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 13926eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->name = strdup(cur_rule->name); 13936eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (!new_trans->name) { 13946eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ERR(state->handle, "Out of memory!"); 13956eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return -1; 13966eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 13976eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->stype = i + 1; 13986eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->ttype = j + 1; 13996eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->tclass = cur_rule->tclass; 14006eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris new_trans->otype = state->typemap[cur_rule->otype - 1]; 14016eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14026eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14036eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 14046eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_destroy(&stypes); 14056eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris ebitmap_destroy(&ttypes); 14066eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 14076eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris cur_rule = cur_rule->next; 14086eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris } 14096eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris return 0; 14106eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris} 14116eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 141213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int exp_rangetr_helper(uint32_t stype, uint32_t ttype, uint32_t tclass, 141313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_semantic_range_t * trange, 141413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t * state) 141513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 141613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle range_trans_t *rt, *check_rt = state->out->range_tr; 141713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_t exp_range; 141813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc = -1; 141913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 142013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_semantic_range_expand(trange, &exp_range, state->out, 142113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->handle)) 142213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 142313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 142413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* check for duplicates/conflicts */ 142513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (check_rt) { 142613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((check_rt->source_type == stype) && 142713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (check_rt->target_type == ttype) && 142813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (check_rt->target_class == tclass)) { 142913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_range_eq(&check_rt->target_range, &exp_range)) { 143013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* duplicate */ 143113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 143213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 143313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* conflict */ 143413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, 143513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "Conflicting range trans rule %s %s : %s", 143613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_type_val_to_name[stype - 1], 143713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_type_val_to_name[ttype - 1], 143813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->p_class_val_to_name[tclass - 143913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1]); 144013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 144113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 144213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 144313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle check_rt = check_rt->next; 144413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 144513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (check_rt) { 144613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* this is a dup - skip */ 144713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = 0; 144813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 144913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 145013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 145113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt = (range_trans_t *) calloc(1, sizeof(range_trans_t)); 145213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!rt) { 145313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 145413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 145513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 145613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 145713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt->next = state->out->range_tr; 145813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->range_tr = rt; 145913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 146013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt->source_type = stype; 146113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt->target_type = ttype; 146213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rt->target_class = tclass; 146313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (mls_range_cpy(&rt->target_range, &exp_range)) { 146413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 146513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 146613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 146713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 146813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = 0; 146913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 147013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out: 147113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle mls_range_destroy(&exp_range); 147213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return rc; 147313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 147413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 147513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_range_trans(expand_state_t * state, 147613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle range_trans_rule_t * rules) 147713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 147813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j, k; 147913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle range_trans_rule_t *rule; 148013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 148113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t stypes, ttypes; 148213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode, *cnode; 148313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 148413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->verbose) 148513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle INFO(state->handle, "expanding range transitions"); 148613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 148713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (rule = rules; rule; rule = rule->next) { 148813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&stypes); 148913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&ttypes); 149013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 149113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* expand the type sets */ 149213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set(state->out, state->typemap, 149313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &rule->stypes, &stypes, 1)) { 149413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 149513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 149613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 149713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set(state->out, state->typemap, 149813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &rule->ttypes, &ttypes, 1)) { 149913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 150013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 150113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 150213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 150313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 150413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* loop on source type */ 150513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&stypes, snode, i) { 150613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 150713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 150813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* loop on target type */ 150913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&ttypes, tnode, j) { 151013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 151113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 151213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* loop on target class */ 151313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&rule->tclasses, cnode, k) { 151413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(cnode, k)) 151513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 151613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 151713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (exp_rangetr_helper(i + 1, 151813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle j + 1, 151913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle k + 1, 152013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &rule->trange, 152113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state)) { 152213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 152313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 152413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 152513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 152613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 152713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 152813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 152913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 153013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 153113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 153213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 153313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 153413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 153513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 153613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 153713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* Search for an AV tab node within a hash table with the given key. 153813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * If the node does not exist, create it and return it; otherwise 153913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * return the pre-existing one. 154013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle*/ 154113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic avtab_ptr_t find_avtab_node(sepol_handle_t * handle, 154213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t * avtab, avtab_key_t * key, 154313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** cond) 154413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 154513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 154613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t avdatum; 154713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t *nl; 154813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 154913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node(avtab, key); 155013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 155113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* If this is for conditional policies, keep searching in case 155213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle the node is part of my conditional avtab. */ 155313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond) { 155413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (node) { 155513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (node->parse_context == cond) 155613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 155713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node_next(node, key->specified); 155813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 155913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 156013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 156113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 156213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(&avdatum, 0, sizeof avdatum); 156313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* this is used to get the node - insertion is actually unique */ 156413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_insert_nonunique(avtab, key, &avdatum); 156513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 156613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "hash table overflow"); 156713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return NULL; 156813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 156913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond) { 157013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->parse_context = cond; 157113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl = (cond_av_list_t *) malloc(sizeof(cond_av_list_t)); 157213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!nl) { 157313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Memory error"); 157413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return NULL; 157513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 157613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(nl, 0, sizeof(cond_av_list_t)); 157713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl->node = node; 157813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl->next = *cond; 157913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *cond = nl; 158013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 158113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 158213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 158313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return node; 158413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 158513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 158613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#define EXPAND_RULE_SUCCESS 1 158713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#define EXPAND_RULE_CONFLICT 0 158813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle#define EXPAND_RULE_ERROR -1 158913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 159013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_terule_helper(sepol_handle_t * handle, 159113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * p, uint32_t * typemap, 159213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t specified, cond_av_list_t ** cond, 159313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** other, uint32_t stype, 159413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t ttype, class_perm_node_t * perms, 159513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t * avtab, int enabled) 159613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 159713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t avkey; 159813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *avdatump; 159913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 160013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_t *cur; 160113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int conflict; 160213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t oldtype = 0, spec = 0; 160313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 160413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_TRANSITION) { 160513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_TRANSITION; 160613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_MEMBER) { 160713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_MEMBER; 160813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_CHANGE) { 160913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_CHANGE; 161013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 161113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* unreachable */ 161213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 161313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 161413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = perms; 161513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 161613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t remapped_data = 161713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle typemap ? typemap[cur->data - 1] : cur->data; 161813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.source_type = stype + 1; 161913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.target_type = ttype + 1; 162013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.target_class = cur->class; 162113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.specified = spec; 162213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 162313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle conflict = 0; 162413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* check to see if the expanded TE already exists -- 162513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * either in the global scope or in another 162613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * conditional AV tab */ 162713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node(&p->te_avtab, &avkey); 162813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (node) { 162913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle conflict = 1; 163013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 163113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node(&p->te_cond_avtab, &avkey); 163213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (node && node->parse_context != other) { 163313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle conflict = 2; 163413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 163513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 163613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 163713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (conflict) { 163813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump = &node->datum; 163913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_TRANSITION) { 164013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle oldtype = avdatump->data; 164113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_MEMBER) { 164213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle oldtype = avdatump->data; 164313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_CHANGE) { 164413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle oldtype = avdatump->data; 164513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 164613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 164713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (oldtype == remapped_data) { 164813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* if the duplicate is inside the same scope (eg., unconditional 164913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * or in same conditional then ignore it */ 165013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((conflict == 1 && cond == NULL) 165113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle || node->parse_context == cond) 165213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 165313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "duplicate TE rule for %s %s:%s %s", 165413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[avkey.source_type - 165513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1], 165613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[avkey.target_type - 165713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1], 165813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_class_val_to_name[avkey.target_class - 165913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 1], 166013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[oldtype - 1]); 166113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_CONFLICT; 166213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 166313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, 166413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "conflicting TE rule for (%s, %s:%s): old was %s, new is %s", 166513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[avkey.source_type - 1], 166613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[avkey.target_type - 1], 166713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_class_val_to_name[avkey.target_class - 1], 166813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[oldtype - 1], 166913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->p_type_val_to_name[remapped_data - 1]); 167013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_CONFLICT; 167113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 167213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 167313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = find_avtab_node(handle, avtab, &avkey, cond); 167413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) 167513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 167613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (enabled) { 167713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->key.specified |= AVTAB_ENABLED; 167813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 167913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->key.specified &= ~AVTAB_ENABLED; 168013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 168113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 168213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump = &node->datum; 168313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_TRANSITION) { 168413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data = remapped_data; 168513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_MEMBER) { 168613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data = remapped_data; 168713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_CHANGE) { 168813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data = remapped_data; 168913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 169013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* should never occur */ 169113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 169213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 169313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 169413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 169513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 169613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 169713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 169813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 169913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_avrule_helper(sepol_handle_t * handle, 170013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t specified, 170113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** cond, 170213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t stype, uint32_t ttype, 170313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_t * perms, avtab_t * avtab, 170413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int enabled) 170513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 170613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t avkey; 170713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *avdatump; 170813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 170913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_t *cur; 171013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t spec = 0; 171113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 171213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_ALLOWED) { 171313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_ALLOWED; 171413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_AUDITALLOW) { 171513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_AUDITALLOW; 171613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_AUDITDENY) { 171713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_AUDITDENY; 171813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_DONTAUDIT) { 171913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (handle && handle->disable_dontaudit) 172013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 172113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_AUDITDENY; 172213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_NEVERALLOW) { 172313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle spec = AVTAB_NEVERALLOW; 172413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 172513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* unreachable */ 172613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 172713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 172813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = perms; 172913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 173013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.source_type = stype + 1; 173113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.target_type = ttype + 1; 173213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.target_class = cur->class; 173313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avkey.specified = spec; 173413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 173513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = find_avtab_node(handle, avtab, &avkey, cond); 173613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) 173713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_ERROR; 173813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (enabled) { 173913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->key.specified |= AVTAB_ENABLED; 174013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 174113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->key.specified &= ~AVTAB_ENABLED; 174213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 174313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 174413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump = &node->datum; 174513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (specified & AVRULE_ALLOWED) { 174613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data |= cur->data; 174713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_AUDITALLOW) { 174813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data |= cur->data; 174913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_NEVERALLOW) { 175013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data |= cur->data; 175113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_AUDITDENY) { 175213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Since a '0' in an auditdeny mask represents 175313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * a permission we do NOT want to audit 175413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * (dontaudit), we use the '&' operand to 175513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * ensure that all '0's in the mask are 175613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * retained (much unlike the allow and 175713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * auditallow cases). 175813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 175913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data &= cur->data; 176013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else if (specified & AVRULE_DONTAUDIT) { 176113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avdatump->data) 176213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data &= ~cur->data; 176313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else 176413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avdatump->data = ~cur->data; 176513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 176613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(0); /* should never occur */ 176713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 176813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 176913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 177013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 177113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 177213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 177313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 177413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_rule_helper(sepol_handle_t * handle, 177513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * p, uint32_t * typemap, 177613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t * source_rule, avtab_t * dest_avtab, 177713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** cond, cond_av_list_t ** other, 177813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int enabled, 177913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t * stypes, ebitmap_t * ttypes) 178013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 178113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j; 178213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int retval; 178313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode; 178413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 178513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(stypes, snode, i) { 178613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 178713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 178813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (source_rule->flags & RULE_SELF) { 178913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (source_rule->specified & AVRULE_AV) { 179013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((retval = 179113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_avrule_helper(handle, 179213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule-> 179313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle specified, cond, i, i, 179413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule->perms, 179513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dest_avtab, 179613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle enabled)) != 179713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle EXPAND_RULE_SUCCESS) { 179813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 179913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 180013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 180113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((retval = 180213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_terule_helper(handle, p, 180313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle typemap, 180413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule-> 180513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle specified, cond, 180613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle other, i, i, 180713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule->perms, 180813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dest_avtab, 180913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle enabled)) != 181013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle EXPAND_RULE_SUCCESS) { 181113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 181213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 181313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 181413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 181513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(ttypes, tnode, j) { 181613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 181713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 181813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (source_rule->specified & AVRULE_AV) { 181913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((retval = 182013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_avrule_helper(handle, 182113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule-> 182213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle specified, cond, i, j, 182313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule->perms, 182413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dest_avtab, 182513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle enabled)) != 182613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle EXPAND_RULE_SUCCESS) { 182713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 182813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 182913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 183013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((retval = 183113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_terule_helper(handle, p, 183213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle typemap, 183313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule-> 183413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle specified, cond, 183513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle other, i, j, 183613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule->perms, 183713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dest_avtab, 183813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle enabled)) != 183913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle EXPAND_RULE_SUCCESS) { 184013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 184113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 184213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 184313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 184413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 184513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 184613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 184713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 184813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 184913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* 185013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Expand a rule into a given avtab - checking for conflicting type 185113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * rules in the destination policy. Return EXPAND_RULE_SUCCESS on 185213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * success, EXPAND_RULE_CONFLICT if the rule conflicts with something 185313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * (and hence was not added), or EXPAND_RULE_ERROR on error. 185413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 185513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int convert_and_expand_rule(sepol_handle_t * handle, 185613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * dest_pol, uint32_t * typemap, 185713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t * source_rule, avtab_t * dest_avtab, 185813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** cond, 185913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** other, int enabled, 186013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int do_neverallow) 186113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 186213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int retval; 186313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t stypes, ttypes; 186413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned char alwaysexpand; 186513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 186613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!do_neverallow && source_rule->specified & AVRULE_NEVERALLOW) 186713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_SUCCESS; 186813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 186913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&stypes); 187013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&ttypes); 187113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 187213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Force expansion for type rules and for self rules. */ 187313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle alwaysexpand = ((source_rule->specified & AVRULE_TYPE) || 187413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (source_rule->flags & RULE_SELF)); 187513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 187613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 187713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (dest_pol, typemap, &source_rule->stypes, &stypes, alwaysexpand)) 187813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_ERROR; 187913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 188013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (dest_pol, typemap, &source_rule->ttypes, &ttypes, alwaysexpand)) 188113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return EXPAND_RULE_ERROR; 188213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 188313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle retval = expand_rule_helper(handle, dest_pol, typemap, 188413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle source_rule, dest_avtab, 188513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond, other, enabled, &stypes, &ttypes); 188613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 188713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 188813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 188913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 189013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 189113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int cond_avrule_list_copy(policydb_t * dest_pol, avrule_t * source_rules, 189213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t * dest_avtab, cond_av_list_t ** list, 189313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** other, uint32_t * typemap, 189413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int enabled, expand_state_t * state) 189513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 189613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t *cur; 189713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 189813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = source_rules; 189913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 190013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (convert_and_expand_rule(state->handle, dest_pol, 190113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle typemap, cur, dest_avtab, 190213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle list, other, enabled, 190313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 0) != EXPAND_RULE_SUCCESS) { 190413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 190513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 190613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 190713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 190813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 190913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 191013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 191113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 191213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 191313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int cond_node_map_bools(expand_state_t * state, cond_node_t * cn) 191413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 191513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_expr_t *cur; 191613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 191713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 191813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cn->expr; 191913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur) { 192013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cur->bool) 192113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur->bool = state->boolmap[cur->bool - 1]; 192213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur = cur->next; 192313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 192413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 192513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < min(cn->nbools, COND_MAX_BOOLS); i++) 192613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cn->bool_ids[i] = state->boolmap[cn->bool_ids[i] - 1]; 192713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 192813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_normalize_expr(state->out, cn)) { 192913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Error while normalizing conditional"); 193013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 193113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 193213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 193313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 193413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 193513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 193613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* copy the nodes in *reverse* order -- the result is that the last 193713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * given conditional appears first in the policy, so as to match the 193813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * behavior of the upstream compiler */ 193913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int cond_node_copy(expand_state_t * state, cond_node_t * cn) 194013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 194113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_node_t *new_cond, *tmp; 194213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 194313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cn == NULL) { 194413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 194513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 194613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_node_copy(state, cn->next)) { 194713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 194813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 19495722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao 19505722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao /* If current cond_node_t is of tunable, its effective branch 19515722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao * has been appended to its home decl->avrules list during link 19525722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao * and now we should just skip it. */ 19535722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao if (cn->flags & COND_NODE_FLAGS_TUNABLE) 19545722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao return 0; 19555722d765c756ac8dc52c52077f9311b8886fe8daHarry Ciao 195613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_normalize_expr(state->base, cn)) { 195713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Error while normalizing conditional"); 195813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 195913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 196013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 196113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* create a new temporary conditional node with the booleans 196213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * mapped */ 196313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tmp = cond_node_create(state->base, cn); 196413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!tmp) { 196513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory"); 196613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 196713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 196813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 196913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_node_map_bools(state, tmp)) { 197013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Error mapping booleans"); 197113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 197213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 197313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 197413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cond = cond_node_search(state->out, state->out->cond_list, tmp); 197513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_cond) { 197613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_node_destroy(tmp); 197713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(tmp); 197813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 197913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 198013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 198113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_node_destroy(tmp); 198213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(tmp); 198313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 198413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_avrule_list_copy 198513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, cn->avtrue_list, &state->out->te_cond_avtab, 198613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_cond->true_list, &new_cond->false_list, state->typemap, 198713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_cond->cur_state, state)) 198813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 198913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_avrule_list_copy 199013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, cn->avfalse_list, &state->out->te_cond_avtab, 199113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &new_cond->false_list, &new_cond->true_list, state->typemap, 199213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle !new_cond->cur_state, state)) 199313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 199413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 199513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 199613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 199713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 199813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int context_copy(context_struct_t * dst, context_struct_t * src, 199913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t * state) 200013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 200113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dst->user = state->usermap[src->user - 1]; 200213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dst->role = state->rolemap[src->role - 1]; 200313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dst->type = state->typemap[src->type - 1]; 200413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return mls_context_cpy(dst, src); 200513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 200613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2007505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzistatic int ocontext_copy_xen(expand_state_t *state) 200813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 2009505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi unsigned int i; 201013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ocontext_t *c, *n, *l; 201113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 201213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < OCON_NUM; i++) { 201313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = NULL; 201413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (c = state->base->ocontexts[i]; c; c = c->next) { 201513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n = malloc(sizeof(ocontext_t)); 201613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!n) { 201713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 201813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 201913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 202013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(n, 0, sizeof(ocontext_t)); 2021505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (l) 202213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l->next = n; 2023505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi else 202413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->ocontexts[i] = n; 2025505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi l = n; 2026505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (context_copy(&n->context[0], &c->context[0], 2027505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi state)) { 2028505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Out of memory!"); 2029505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 2030505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2031505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi switch (i) { 2032505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_ISID: 2033505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->sid[0] = c->sid[0]; 2034505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2035505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_PIRQ: 2036505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.pirq = c->u.pirq; 2037505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2038505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_IOPORT: 2039505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.ioport.low_ioport = c->u.ioport.low_ioport; 2040505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.ioport.high_ioport = 2041505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi c->u.ioport.high_ioport; 2042505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2043505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_IOMEM: 2044505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.iomem.low_iomem = c->u.iomem.low_iomem; 2045505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.iomem.high_iomem = c->u.iomem.high_iomem; 2046505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2047505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case OCON_XEN_PCIDEVICE: 2048505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n->u.device = c->u.device; 2049505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2050505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi default: 2051505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi /* shouldn't get here */ 2052505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Unknown ocontext"); 2053505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 2054505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2055505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2056505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2057505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return 0; 2058505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi} 2059505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi 2060505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzistatic int ocontext_copy_selinux(expand_state_t *state) 2061505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi{ 2062505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi unsigned int i, j; 2063505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ocontext_t *c, *n, *l; 2064505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi 2065505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi for (i = 0; i < OCON_NUM; i++) { 2066505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi l = NULL; 2067505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi for (c = state->base->ocontexts[i]; c; c = c->next) { 2068505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi n = malloc(sizeof(ocontext_t)); 2069505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (!n) { 2070505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Out of memory!"); 2071505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 207213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 2073505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi memset(n, 0, sizeof(ocontext_t)); 2074505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (l) 2075505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi l->next = n; 2076505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi else 2077505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi state->out->ocontexts[i] = n; 207813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = n; 207913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (context_copy(&n->context[0], &c->context[0], state)) { 208013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 208113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 208213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 208313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle switch (i) { 208413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_ISID: 208513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->sid[0] = c->sid[0]; 208613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 208713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_FS: /* FALLTHROUGH */ 208813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_NETIF: 208913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.name = strdup(c->u.name); 209013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!n->u.name) { 209113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 209213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 209313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 209413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (context_copy 209513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (&n->context[1], &c->context[1], state)) { 209613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 209713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 209813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 209913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 210013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_PORT: 210113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.port.protocol = c->u.port.protocol; 210213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.port.low_port = c->u.port.low_port; 210313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.port.high_port = c->u.port.high_port; 210413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 210513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_NODE: 210613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.node.addr = c->u.node.addr; 210713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.node.mask = c->u.node.mask; 210813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 210913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_FSUSE: 211013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->v.behavior = c->v.behavior; 211113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.name = strdup(c->u.name); 211213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!n->u.name) { 211313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 211413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 211513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 211613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 211713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case OCON_NODE6: 211813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (j = 0; j < 4; j++) 211913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.node6.addr[j] = c->u.node6.addr[j]; 212013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (j = 0; j < 4; j++) 212113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle n->u.node6.mask[j] = c->u.node6.mask[j]; 212213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 212313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle default: 212413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* shouldn't get here */ 2125505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Unknown ocontext"); 2126505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 212713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 212813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 212913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 213013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 213113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 213213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2133505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzistatic int ocontext_copy(expand_state_t *state, uint32_t target) 2134505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi{ 2135505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi int rc = -1; 2136505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi switch (target) { 2137505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case SEPOL_TARGET_SELINUX: 2138505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi rc = ocontext_copy_selinux(state); 2139505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2140505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi case SEPOL_TARGET_XEN: 2141505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi rc = ocontext_copy_xen(state); 2142505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi break; 2143505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi default: 2144505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi ERR(state->handle, "Unknown target"); 2145505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return -1; 2146505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi } 2147505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi return rc; 2148505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi} 2149505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi 215013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int genfs_copy(expand_state_t * state) 215113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 215213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ocontext_t *c, *newc, *l; 215313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle genfs_t *genfs, *newgenfs, *end; 215413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 215513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle end = NULL; 215613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (genfs = state->base->genfs; genfs; genfs = genfs->next) { 215713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newgenfs = malloc(sizeof(genfs_t)); 215813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!newgenfs) { 215913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 216013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 216113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 216213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(newgenfs, 0, sizeof(genfs_t)); 216313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newgenfs->fstype = strdup(genfs->fstype); 216413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!newgenfs->fstype) { 216513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 216613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 216713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 216813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 216913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = NULL; 217013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (c = genfs->head; c; c = c->next) { 217113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newc = malloc(sizeof(ocontext_t)); 217213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!newc) { 217313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 217413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 217513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 217613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(newc, 0, sizeof(ocontext_t)); 217713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newc->u.name = strdup(c->u.name); 217813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!newc->u.name) { 217913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 218013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 218113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 218213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newc->v.sclass = c->v.sclass; 218313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle context_copy(&newc->context[0], &c->context[0], state); 218413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (l) 218513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l->next = newc; 218613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else 218713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newgenfs->head = newc; 218813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle l = newc; 218913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 219013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!end) { 219113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->genfs = newgenfs; 219213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 219313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle end->next = newgenfs; 219413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 219513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle end = newgenfs; 219613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 219713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 219813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 219913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 220013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int type_attr_map(hashtab_key_t key 220113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle __attribute__ ((unused)), hashtab_datum_t datum, 220213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle void *ptr) 220313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 220413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *type; 220513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t *state = ptr; 220613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t *p = state->out; 220713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 220813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *tnode; 220913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 221013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type = (type_datum_t *) datum; 221113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (type->flavor == TYPE_ATTRIB) { 221213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&p->attr_type_map[type->s.value - 1], 221313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &type->types)) { 221413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 221513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 221613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 221713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&type->types, tnode, i) { 221813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, i)) 221913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 222013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&p->type_attr_map[i], 222113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type->s.value - 1, 1)) { 222213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of memory!"); 222313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 222413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 222513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 222613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 222713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 222813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 222913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 223013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* converts typeset using typemap and expands into ebitmap_t types using the attributes in the passed in policy. 223113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * this should not be called until after all the blocks have been processed and the attributes in target policy 223213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * are complete. */ 223313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_convert_type_set(policydb_t * p, uint32_t * typemap, 223413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_set_t * set, ebitmap_t * types, 223513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned char alwaysexpand) 223613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 223713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_set_t tmpset; 223813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 223913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_set_init(&tmpset); 224013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 224113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&set->types, &tmpset.types, typemap)) 224213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 224313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 224413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (map_ebitmap(&set->negset, &tmpset.negset, typemap)) 224513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 224613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 224713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tmpset.flags = set->flags; 224813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 224913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (type_set_expand(&tmpset, types, p, alwaysexpand)) 225013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 225113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 225213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_set_destroy(&tmpset); 225313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 225413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 225513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 225613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2257eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle/* Expand a rule into a given avtab - checking for conflicting type 2258eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle * rules. Return 1 on success, 0 if the rule conflicts with something 2259eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle * (and hence was not added), or -1 on error. */ 2260eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindleint expand_rule(sepol_handle_t * handle, 2261eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle policydb_t * source_pol, 2262eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle avrule_t * source_rule, avtab_t * dest_avtab, 2263eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle cond_av_list_t ** cond, cond_av_list_t ** other, int enabled) 2264eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle{ 2265eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle int retval; 2266eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_t stypes, ttypes; 2267eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle 2268eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle if (source_rule->specified & AVRULE_NEVERALLOW) 2269eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle return 1; 2270eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle 2271eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_init(&stypes); 2272eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_init(&ttypes); 2273eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle 2274eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle if (type_set_expand(&source_rule->stypes, &stypes, source_pol, 1)) 2275eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle return -1; 2276eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle if (type_set_expand(&source_rule->ttypes, &ttypes, source_pol, 1)) 2277eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle return -1; 2278eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle retval = expand_rule_helper(handle, source_pol, NULL, 2279eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle source_rule, dest_avtab, 2280eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle cond, other, enabled, &stypes, &ttypes); 2281eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_destroy(&stypes); 2282eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle ebitmap_destroy(&ttypes); 2283eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle return retval; 2284eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle} 2285eeb520a0453ccc3d51770c4281125086e91c4ff7Joshua Brindle 22863592ebea1a5beb390a520c09747d3699867af9deHarry Ciao/* Expand a role set into an ebitmap containing the roles. 22873592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * This handles the attribute and flags. 22883592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * Attribute expansion depends on if the rolemap is available. 22893592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * During module compile the rolemap is not available, the 22903592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * possible duplicates of a regular role and the role attribute 22913592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * the regular role belongs to could be properly handled by 22923592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * copy_role_trans and copy_role_allow. 22933592ebea1a5beb390a520c09747d3699867af9deHarry Ciao */ 22943592ebea1a5beb390a520c09747d3699867af9deHarry Ciaoint role_set_expand(role_set_t * x, ebitmap_t * r, policydb_t * out, policydb_t * base, uint32_t * rolemap) 229513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 229613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 229713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *rnode; 22983592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_t mapped_roles, roles; 22993592ebea1a5beb390a520c09747d3699867af9deHarry Ciao policydb_t *p = out; 23003592ebea1a5beb390a520c09747d3699867af9deHarry Ciao role_datum_t *role; 230113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 230213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(r); 230313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 230413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (x->flags & ROLE_STAR) { 230513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < p->p_roles.nprim++; i++) 230613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(r, i, 1)) 230713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 230813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 230913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 231013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 23113592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_init(&mapped_roles); 23123592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_init(&roles); 23133592ebea1a5beb390a520c09747d3699867af9deHarry Ciao 231413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rolemap) { 23153592ebea1a5beb390a520c09747d3699867af9deHarry Ciao assert(base != NULL); 23163592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_for_each_bit(&x->roles, rnode, i) { 23173592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (ebitmap_node_get_bit(rnode, i)) { 23183592ebea1a5beb390a520c09747d3699867af9deHarry Ciao /* take advantage of p_role_val_to_struct[] 23193592ebea1a5beb390a520c09747d3699867af9deHarry Ciao * of the base module */ 23203592ebea1a5beb390a520c09747d3699867af9deHarry Ciao role = base->role_val_to_struct[i]; 23213592ebea1a5beb390a520c09747d3699867af9deHarry Ciao assert(role != NULL); 23223592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (role->flavor == ROLE_ATTRIB) { 23233592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (ebitmap_union(&roles, 23243592ebea1a5beb390a520c09747d3699867af9deHarry Ciao &role->roles)) 23253592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 23263592ebea1a5beb390a520c09747d3699867af9deHarry Ciao } else { 23273592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (ebitmap_set_bit(&roles, i, 1)) 23283592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 23293592ebea1a5beb390a520c09747d3699867af9deHarry Ciao } 23303592ebea1a5beb390a520c09747d3699867af9deHarry Ciao } 23313592ebea1a5beb390a520c09747d3699867af9deHarry Ciao } 23323592ebea1a5beb390a520c09747d3699867af9deHarry Ciao if (map_ebitmap(&roles, &mapped_roles, rolemap)) 23333592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 233413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 233513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&mapped_roles, &x->roles)) 23363592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 233713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 233813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 233913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&mapped_roles, rnode, i) { 234013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_node_get_bit(rnode, i)) { 234113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(r, i, 1)) 23423592ebea1a5beb390a520c09747d3699867af9deHarry Ciao goto bad; 234313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 234413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 234513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 234613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&mapped_roles); 23473592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_destroy(&roles); 234813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 234913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* if role is to be complimented, invert the entire bitmap here */ 235013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (x->flags & ROLE_COMP) { 235113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < ebitmap_length(r); i++) { 235213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_get_bit(r, i)) { 235313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(r, i, 0)) 235413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 235513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 235613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(r, i, 1)) 235713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 235813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 235913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 236013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 236113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 23623592ebea1a5beb390a520c09747d3699867af9deHarry Ciao 23633592ebea1a5beb390a520c09747d3699867af9deHarry Ciaobad: 23643592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_destroy(&mapped_roles); 23653592ebea1a5beb390a520c09747d3699867af9deHarry Ciao ebitmap_destroy(&roles); 23663592ebea1a5beb390a520c09747d3699867af9deHarry Ciao return -1; 236713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 236813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 236913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* Expand a type set into an ebitmap containing the types. This 237013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * handles the negset, attributes, and flags. 237113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Attribute expansion depends on several factors: 237213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * - if alwaysexpand is 1, then they will be expanded, 237313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * - if the type set has a negset or flags, then they will be expanded, 237413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * - otherwise, they will not be expanded. 237513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 237613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint type_set_expand(type_set_t * set, ebitmap_t * t, policydb_t * p, 237713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned char alwaysexpand) 237813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 237913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 238013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t types, neg_types; 238113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *tnode; 238213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 238313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&types); 238413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(t); 238513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 238613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (alwaysexpand || ebitmap_length(&set->negset) || set->flags) { 238713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* First go through the types and OR all the attributes to types */ 238813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&set->types, tnode, i) { 238913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_node_get_bit(tnode, i)) { 239013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (p->type_val_to_struct[i]->flavor == 239113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle TYPE_ATTRIB) { 239213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union 239313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (&types, 239413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &p->type_val_to_struct[i]-> 239513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle types)) { 239613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 239713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 239813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 239913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&types, i, 1)) { 240013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 240113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 240213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 240313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 240413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 240513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 240613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* No expansion of attributes, just copy the set as is. */ 240713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&types, &set->types)) 240813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 240913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 241013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 241113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Now do the same thing for negset */ 241213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&neg_types); 241313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&set->negset, tnode, i) { 241413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_node_get_bit(tnode, i)) { 241513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (p->type_val_to_struct[i] && 241613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->type_val_to_struct[i]->flavor == TYPE_ATTRIB) { 241713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_union 241813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (&neg_types, 241913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle &p->type_val_to_struct[i]->types)) { 242013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 242113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 242213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 242313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&neg_types, i, 1)) { 242413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 242513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 242613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 242713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 242813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 242913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 243013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (set->flags & TYPE_STAR) { 243113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* set all types not in neg_types */ 243213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < p->p_types.nprim; i++) { 243313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_get_bit(&neg_types, i)) 243413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 243513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (p->type_val_to_struct[i] && 243613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->type_val_to_struct[i]->flavor == TYPE_ATTRIB) 243713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 243813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(t, i, 1)) 243913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 244013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 244113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto out; 244213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 244313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 244413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(&types, tnode, i) { 244513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_node_get_bit(tnode, i) 244613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle && (!ebitmap_get_bit(&neg_types, i))) 244713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(t, i, 1)) 244813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 244913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 245013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 245113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (set->flags & TYPE_COMP) { 245213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < p->p_types.nprim; i++) { 245313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (p->type_val_to_struct[i] && 245413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle p->type_val_to_struct[i]->flavor == TYPE_ATTRIB) { 245513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(!ebitmap_get_bit(t, i)); 245613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 245713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 245813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_get_bit(t, i)) { 245913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(t, i, 0)) 246013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 246113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 246213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(t, i, 1)) 246313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 246413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 246513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 246613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 246713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 246813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out: 246913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 247013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&types); 247113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&neg_types); 247213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 247313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 247413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 247513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 247613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int copy_neverallow(policydb_t * dest_pol, uint32_t * typemap, 247713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t * source_rule) 247813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 247913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t stypes, ttypes; 248013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t *avrule; 248113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_t *cur_perm, *new_perm, *tail_perm; 248213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 248313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&stypes); 248413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&ttypes); 248513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 248613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 248713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (dest_pol, typemap, &source_rule->stypes, &stypes, 1)) 248813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 248913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_convert_type_set 249013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (dest_pol, typemap, &source_rule->ttypes, &ttypes, 1)) 249113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 249213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 249313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule = (avrule_t *) malloc(sizeof(avrule_t)); 249413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!avrule) 249513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 249613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 249713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_init(avrule); 249813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->specified = AVRULE_NEVERALLOW; 249913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->line = source_rule->line; 250013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->flags = source_rule->flags; 250113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 250213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&avrule->stypes.types, &stypes)) 250313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto err; 250413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 250513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&avrule->ttypes.types, &ttypes)) 250613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto err; 250713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 250813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_perm = source_rule->perms; 250913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tail_perm = NULL; 251013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur_perm) { 251113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_perm = 251213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (class_perm_node_t *) malloc(sizeof(class_perm_node_t)); 251313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!new_perm) 251413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto err; 251513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle class_perm_node_init(new_perm); 251613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_perm->class = cur_perm->class; 251713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle assert(new_perm->class); 251813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 251913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* once we have modules with permissions we'll need to map the permissions (and classes) */ 252013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle new_perm->data = cur_perm->data; 252113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 252213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!avrule->perms) 252313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->perms = new_perm; 252413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 252513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (tail_perm) 252613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tail_perm->next = new_perm; 252713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tail_perm = new_perm; 252813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_perm = cur_perm->next; 252913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 253013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 253113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* just prepend the avrule to the first branch; it'll never be 253213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle written to disk */ 253313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!dest_pol->global->branch_list->avrules) 253413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dest_pol->global->branch_list->avrules = avrule; 253513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle else { 253613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule->next = dest_pol->global->branch_list->avrules; 253713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle dest_pol->global->branch_list->avrules = avrule; 253813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 253913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 254013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 254113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 254213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 254313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 254413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 254513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle err: 254613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&stypes); 254713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&ttypes); 254813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&avrule->stypes.types); 254913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_destroy(&avrule->ttypes.types); 255013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_perm = avrule->perms; 255113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur_perm) { 255213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle tail_perm = cur_perm->next; 255313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(cur_perm); 255413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_perm = tail_perm; 255513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 255613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(avrule); 255713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 255813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 255913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 256013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* 256113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * Expands the avrule blocks for a policy. RBAC rules are copied. Neverallow 256213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * rules are copied or expanded as per the settings in the state object; all 256313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * other AV rules are expanded. If neverallow rules are expanded, they are not 256413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * copied, otherwise they are copied for later use by the assertion checker. 256513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 256613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int copy_and_expand_avrule_block(expand_state_t * state) 256713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 256813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_block_t *curblock = state->base->global; 256913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_block_t *prevblock; 257013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int retval = -1; 257113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 257213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avtab_alloc(&state->out->te_avtab, MAX_AVTAB_SIZE)) { 257313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of Memory!"); 257413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 257513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 257613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 257713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avtab_alloc(&state->out->te_cond_avtab, MAX_AVTAB_SIZE)) { 257813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, "Out of Memory!"); 257913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 258013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 258113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 258213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (curblock) { 258313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_decl_t *decl = curblock->enabled; 258413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_t *cur_avrule; 258513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 258613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (decl == NULL) { 258713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* nothing was enabled within this block */ 258813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cont; 258913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 259013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 259113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy role allows and role trans */ 259213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (copy_role_allows(state, decl->role_allow_rules) != 0 || 259313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle copy_role_trans(state, decl->role_tr_rules) != 0) { 259413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 259513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 259613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 25976eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris if (expand_filename_trans(state, decl->filename_trans_rules)) 25986eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris goto cleanup; 25996eeb71538ea29b639ac7549831cd1aa4da32722aEric Paris 260013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* expand the range transition rules */ 260113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (expand_range_trans(state, decl->range_tr_rules)) 260213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 260313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 260413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy rules */ 260513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_avrule = decl->avrules; 260613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle while (cur_avrule != NULL) { 260713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!(state->expand_neverallow) 260813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle && cur_avrule->specified & AVRULE_NEVERALLOW) { 260913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy this over directly so that assertions are checked later */ 261013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (copy_neverallow 261113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->out, state->typemap, cur_avrule)) 261213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(state->handle, 261313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle "Error while copying neverallow."); 261413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } else { 261513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cur_avrule->specified & AVRULE_NEVERALLOW) { 261613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->out->unsupported_format = 1; 261713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 261813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (convert_and_expand_rule 261913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state->handle, state->out, state->typemap, 262013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_avrule, &state->out->te_avtab, NULL, 262113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle NULL, 0, 262213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->expand_neverallow) != 262313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle EXPAND_RULE_SUCCESS) { 262413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 262513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 262613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 262713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cur_avrule = cur_avrule->next; 262813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 262913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 263013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy conditional rules */ 263113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (cond_node_copy(state, decl->cond_list)) 263213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 263313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 263413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cont: 263513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle prevblock = curblock; 263613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle curblock = curblock->next; 263713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 263813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (state->handle && state->handle->expand_consume_base) { 263913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* set base top avrule block in case there 264013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * is an error condition and the policy needs 264113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * to be destroyed */ 264213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state->base->global = curblock; 264313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_block_destroy(prevblock); 264413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 264513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 264613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 264713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle retval = 0; 264813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 264913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cleanup: 265013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 265113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 265213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 265313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* 265413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * This function allows external users of the library (such as setools) to 265513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * expand only the avrules and optionally perform expansion of neverallow rules 265613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * or expand into the same policy for analysis purposes. 265713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 265813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_module_avrules(sepol_handle_t * handle, policydb_t * base, 265913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * out, uint32_t * typemap, 266013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t * boolmap, uint32_t * rolemap, 266113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle uint32_t * usermap, int verbose, 266213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int expand_neverallow) 266313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 266413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t state; 266513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 266613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_init(&state); 266713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 266813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.base = base; 266913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out = out; 267013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.typemap = typemap; 267113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.boolmap = boolmap; 267213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.rolemap = rolemap; 267313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.usermap = usermap; 267413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.handle = handle; 267513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.verbose = verbose; 267613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.expand_neverallow = expand_neverallow; 267713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 267813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return copy_and_expand_avrule_block(&state); 267913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 268013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 26819f709e6bab863036950644a7dd470d50663b558bHarry Ciaostatic void discard_tunables(sepol_handle_t *sh, policydb_t *pol) 2682ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao{ 2683ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao avrule_block_t *block; 2684ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao avrule_decl_t *decl; 2685ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cond_node_t *cur_node; 2686ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cond_expr_t *cur_expr; 26879f709e6bab863036950644a7dd470d50663b558bHarry Ciao int cur_state, preserve_tunables = 0; 2688ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao avrule_t *tail, *to_be_appended; 2689ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 26909f709e6bab863036950644a7dd470d50663b558bHarry Ciao if (sh && sh->preserve_tunables) 26919f709e6bab863036950644a7dd470d50663b558bHarry Ciao preserve_tunables = 1; 26929f709e6bab863036950644a7dd470d50663b558bHarry Ciao 2693ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* Iterate through all cond_node of all enabled decls, if a cond_node 26949f709e6bab863036950644a7dd470d50663b558bHarry Ciao * is about tunable, calculate its state value and concatenate one of 26959f709e6bab863036950644a7dd470d50663b558bHarry Ciao * its avrule list to the current decl->avrules list. On the other 26969f709e6bab863036950644a7dd470d50663b558bHarry Ciao * hand, the disabled unused branch of a tunable would be discarded. 2697ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * 2698ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * Note, such tunable cond_node would be skipped over in expansion, 2699ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * so we won't have to worry about removing it from decl->cond_list 2700ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * here :-) 2701ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * 27029f709e6bab863036950644a7dd470d50663b558bHarry Ciao * If tunables are requested to be preserved then they would be 27039f709e6bab863036950644a7dd470d50663b558bHarry Ciao * "transformed" as booleans by having their TUNABLE flag cleared. 2704ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao */ 2705ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao for (block = pol->global; block != NULL; block = block->next) { 2706ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao decl = block->enabled; 2707ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (decl == NULL || decl->enabled == 0) 2708ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao continue; 2709ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2710ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail = decl->avrules; 2711ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao while (tail && tail->next) 2712ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail = tail->next; 2713ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2714ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao for (cur_node = decl->cond_list; cur_node != NULL; 2715ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node = cur_node->next) { 27169f709e6bab863036950644a7dd470d50663b558bHarry Ciao int booleans, tunables, i; 2717ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cond_bool_datum_t *booldatum; 27189f709e6bab863036950644a7dd470d50663b558bHarry Ciao cond_bool_datum_t *tmp[COND_EXPR_MAXDEPTH]; 2719ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2720ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao booleans = tunables = 0; 27219f709e6bab863036950644a7dd470d50663b558bHarry Ciao memset(tmp, 0, sizeof(cond_bool_datum_t *) * COND_EXPR_MAXDEPTH); 2722ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2723ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao for (cur_expr = cur_node->expr; cur_expr != NULL; 2724ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_expr = cur_expr->next) { 2725ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (cur_expr->expr_type != COND_BOOL) 2726ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao continue; 2727ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao booldatum = pol->bool_val_to_struct[cur_expr->bool - 1]; 2728ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (booldatum->flags & COND_BOOL_FLAGS_TUNABLE) 27299f709e6bab863036950644a7dd470d50663b558bHarry Ciao tmp[tunables++] = booldatum; 2730ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao else 2731ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao booleans++; 2732ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2733ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2734ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* bool_copy_callback() at link phase has ensured 2735ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * that no mixture of tunables and booleans in one 27369f709e6bab863036950644a7dd470d50663b558bHarry Ciao * expression. However, this would be broken by the 27379f709e6bab863036950644a7dd470d50663b558bHarry Ciao * request to preserve tunables */ 27389f709e6bab863036950644a7dd470d50663b558bHarry Ciao if (!preserve_tunables) 27399f709e6bab863036950644a7dd470d50663b558bHarry Ciao assert(!(booleans && tunables)); 2740ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 27419f709e6bab863036950644a7dd470d50663b558bHarry Ciao if (booleans || preserve_tunables) { 2742ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->flags &= ~COND_NODE_FLAGS_TUNABLE; 27439f709e6bab863036950644a7dd470d50663b558bHarry Ciao if (tunables) { 27449f709e6bab863036950644a7dd470d50663b558bHarry Ciao for (i = 0; i < tunables; i++) 27459f709e6bab863036950644a7dd470d50663b558bHarry Ciao tmp[i]->flags &= ~COND_BOOL_FLAGS_TUNABLE; 27469f709e6bab863036950644a7dd470d50663b558bHarry Ciao } 2747ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } else { 2748ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->flags |= COND_NODE_FLAGS_TUNABLE; 2749ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_state = cond_evaluate_expr(pol, cur_node->expr); 2750ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (cur_state == -1) { 2751ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao printf("Expression result was " 2752ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao "undefined, skipping all" 2753ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao "rules\n"); 2754ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao continue; 2755ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2756ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2757ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao to_be_appended = (cur_state == 1) ? 2758ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->avtrue_list : cur_node->avfalse_list; 2759ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2760ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (tail) 2761ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail->next = to_be_appended; 2762ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao else 2763ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail = decl->avrules = to_be_appended; 2764ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2765ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* Now that the effective branch has been 2766ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * appended, neutralize its original pointer */ 2767ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao if (cur_state == 1) 2768ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->avtrue_list = NULL; 2769ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao else 2770ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao cur_node->avfalse_list = NULL; 2771ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 2772ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* Update the tail of decl->avrules for 2773ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * further concatenation */ 2774ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao while (tail && tail->next) 2775ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao tail = tail->next; 2776ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2777ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2778ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao } 2779ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao} 2780ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 278113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle/* Linking should always be done before calling expand, even if 278213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * there is only a base since all optionals are dealt with at link time 278313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * the base passed in should be indexed and avrule blocks should be 278413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * enabled. 278513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle */ 278613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_module(sepol_handle_t * handle, 278713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t * base, policydb_t * out, int verbose, int check) 278813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 278913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int retval = -1; 279013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i; 279113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_t state; 279213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_block_t *curblock; 279313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2794ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao /* Append tunable's avtrue_list or avfalse_list to the avrules list 2795ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * of its home decl depending on its state value, so that the effect 2796ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * rules of a tunable would be added to te_avtab permanently. Whereas 2797ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * the disabled unused branch would be discarded. 2798ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * 2799ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * Originally this function is called at the very end of link phase, 2800ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * however, we need to keep the linked policy intact for analysis 2801ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao * purpose. */ 28029f709e6bab863036950644a7dd470d50663b558bHarry Ciao discard_tunables(handle, base); 2803ad5951fcb142cf9c2e899d3d99ce35b729b66b4cHarry Ciao 280413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle expand_state_init(&state); 280513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 280613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.verbose = verbose; 280713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.typemap = NULL; 280813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.base = base; 280913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out = out; 281013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.handle = handle; 281113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 281213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (base->policy_type != POLICY_BASE) { 281313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Target of expand was not a base policy."); 281413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 281513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 281613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 281713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->policy_type = POLICY_KERN; 281813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->policyvers = POLICYDB_VERSION_MAX; 281913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 282013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Copy mls state from base to out */ 282113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out->mls = base->mls; 282213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle out->handle_unknown = base->handle_unknown; 282313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2824505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi /* Copy target from base to out */ 2825505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi out->target_platform = base->target_platform; 2826505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi 282713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Copy policy capabilities */ 282813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_cpy(&out->policycaps, &base->policycaps)) { 282913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 283013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 283113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 283213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 283313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((state.typemap = 283413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (uint32_t *) calloc(state.base->p_types.nprim, 283513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle sizeof(uint32_t))) == NULL) { 283613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 283713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 283813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 283913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 284013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.boolmap = (uint32_t *)calloc(state.base->p_bools.nprim, sizeof(uint32_t)); 284113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!state.boolmap) { 284213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 284313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 284413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 284513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 284613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.rolemap = (uint32_t *)calloc(state.base->p_roles.nprim, sizeof(uint32_t)); 284713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!state.rolemap) { 284813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 284913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 285013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 285113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 285213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.usermap = (uint32_t *)calloc(state.base->p_users.nprim, sizeof(uint32_t)); 285313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!state.usermap) { 285413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 285513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 285613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 285713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 285813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* order is important - types must be first */ 285913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 286013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy types */ 286113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_types.table, type_copy_callback, &state)) { 286213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 286313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 286413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 286513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* convert attribute type sets */ 286613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 286713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state.base->p_types.table, attr_convert_callback, &state)) { 286813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 286913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 287013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 287113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy commons */ 287213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 287313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state.base->p_commons.table, common_copy_callback, &state)) { 287413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 287513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 287613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 287713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy classes, note, this does not copy constraints, constraints can't be 287813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * copied until after all the blocks have been processed and attributes are complete */ 287913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 288013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state.base->p_classes.table, class_copy_callback, &state)) { 288113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 288213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 288313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 2884f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle /* copy type bounds */ 2885f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (hashtab_map(state.base->p_types.table, 2886f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle type_bounds_copy_callback, &state)) 2887f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle goto cleanup; 2888f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle 288913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy aliases */ 289013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_types.table, alias_copy_callback, &state)) 289113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 289213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 289313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* index here so that type indexes are available for role_copy_callback */ 289413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (policydb_index_others(handle, out, verbose)) { 289513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error while indexing out symbols"); 289613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 289713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 289813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 289913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy roles */ 290013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_roles.table, role_copy_callback, &state)) 290113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 2902f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (hashtab_map(state.base->p_roles.table, 2903f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle role_bounds_copy_callback, &state)) 2904f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle goto cleanup; 2905d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao /* escalate the type_set_t in a role attribute to all regular roles 2906d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao * that belongs to it. */ 2907d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao if (hashtab_map(state.base->p_roles.table, role_fix_callback, &state)) 2908d4d90eceeba902874252fd7c1b9384fc5b1605d4Harry Ciao goto cleanup; 290913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 291013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy MLS's sensitivity level and categories - this needs to be done 291113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle * before expanding users (they need to be indexed too) */ 291213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_levels.table, sens_copy_callback, &state)) 291313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 291413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_cats.table, cats_copy_callback, &state)) 291513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 291613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (policydb_index_others(handle, out, verbose)) { 291713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error while indexing out symbols"); 291813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 291913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 292013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 292113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy users */ 292213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_users.table, user_copy_callback, &state)) 292313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 2924f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle if (hashtab_map(state.base->p_users.table, 2925f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle user_bounds_copy_callback, &state)) 2926f470207454f5f6ce539aa543e5168a07d667254bJoshua Brindle goto cleanup; 292713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 292813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy bools */ 292913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.base->p_bools.table, bool_copy_callback, &state)) 293013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 293113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 293213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (policydb_index_classes(out)) { 293313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error while indexing out classes"); 293413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 293513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 293613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (policydb_index_others(handle, out, verbose)) { 293713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error while indexing out symbols"); 293813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 293913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 294013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 294113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* loop through all decls and union attributes, roles, users */ 294213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (curblock = state.base->global; curblock != NULL; 294313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle curblock = curblock->next) { 294413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avrule_decl_t *decl = curblock->enabled; 294513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 294613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (decl == NULL) { 294713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* nothing was enabled within this block */ 294813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 294913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 295013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 295113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* convert attribute type sets */ 295213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 295313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (decl->p_types.table, attr_convert_callback, &state)) { 295413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 295513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 295613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 295713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy roles */ 295813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 295913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (decl->p_roles.table, role_copy_callback, &state)) 296013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 296113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 296213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy users */ 296313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 296413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (decl->p_users.table, user_copy_callback, &state)) 296513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 296613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 296713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 296813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 296913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* remap role dominates bitmaps */ 297013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.out->p_roles.table, role_remap_dominates, &state)) { 297113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 297213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 297313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 297413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (copy_and_expand_avrule_block(&state) < 0) { 297513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Error during expand"); 297613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 297713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 297813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 297913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy constraints */ 298013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map 298113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (state.base->p_classes.table, constraint_copy_callback, &state)) { 298213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 298313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 298413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 298513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_optimize_lists(state.out->cond_list); 298613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle evaluate_conds(state.out); 298713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 298813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy ocontexts */ 2989505c75aad7f16e0db9ccfeb04eaa70f242e6b060Paul Nuzzi if (ocontext_copy(&state, out->target_platform)) 299013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 299113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 299213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* copy genfs */ 299313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (genfs_copy(&state)) 299413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 299513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 299613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Build the type<->attribute maps and remove attributes. */ 299713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->attr_type_map = malloc(state.out->p_types.nprim * 299813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle sizeof(ebitmap_t)); 299913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->type_attr_map = malloc(state.out->p_types.nprim * 300013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle sizeof(ebitmap_t)); 300113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!state.out->attr_type_map || !state.out->type_attr_map) { 300213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 300313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 300413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 300513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (i = 0; i < state.out->p_types.nprim; i++) { 300613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&state.out->type_attr_map[i]); 300713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_init(&state.out->attr_type_map[i]); 300813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* add the type itself as the degenerate case */ 300913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ebitmap_set_bit(&state.out->type_attr_map[i], i, 1)) { 301013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(handle, "Out of memory!"); 301113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 301213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 301313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 301413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hashtab_map(state.out->p_types.table, type_attr_map, &state)) 301513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 301613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (check) { 301713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (hierarchy_check_constraints(handle, state.out)) 301813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 301913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 302013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (check_assertions 302113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (handle, state.out, 302213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle state.out->global->branch_list->avrules)) 302313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle goto cleanup; 302413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 302513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 302613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle retval = 0; 302713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 302813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cleanup: 302913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(state.typemap); 303013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(state.boolmap); 303113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(state.rolemap); 303213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle free(state.usermap); 303313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return retval; 303413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 303513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 303613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_avtab_insert(avtab_t * a, avtab_key_t * k, avtab_datum_t * d) 303713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 303813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 303913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *avd; 304013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc; 304113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 304213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node(a, k); 304313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 304413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = avtab_insert(a, k, d); 304513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 304613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 304713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return rc; 304813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 304913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 305013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if ((k->specified & AVTAB_ENABLED) != 305113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (node->key.specified & AVTAB_ENABLED)) { 305213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_insert_nonunique(a, k, d); 305313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 305413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 305513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 305613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 305713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 305813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 305913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 306013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd = &node->datum; 306113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle switch (k->specified & ~AVTAB_ENABLED) { 306213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_ALLOWED: 306313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_AUDITALLOW: 306413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd->data |= d->data; 306513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 306613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_AUDITDENY: 306713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd->data &= d->data; 306813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 306913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle default: 307013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Type conflict!"); 307113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 307213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 307313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 307413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 307513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 307613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 307713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestruct expand_avtab_data { 307813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t *expa; 307913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t *p; 308013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 308113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle}; 308213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 308313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_avtab_node(avtab_key_t * k, avtab_datum_t * d, void *args) 308413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 308513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle struct expand_avtab_data *ptr = args; 308613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t *expa = ptr->expa; 308713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle policydb_t *p = ptr->p; 308813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *stype = p->type_val_to_struct[k->source_type - 1]; 308913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *ttype = p->type_val_to_struct[k->target_type - 1]; 309013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t *sattr = &p->attr_type_map[k->source_type - 1]; 309113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t *tattr = &p->attr_type_map[k->target_type - 1]; 309213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode; 309313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j; 309413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t newkey; 309513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc; 309613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 309713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_class = k->target_class; 309813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.specified = k->specified; 309913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 310013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (stype && ttype) { 310113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Both are individual types, no expansion required. */ 310213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return expand_avtab_insert(expa, k, d); 310313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 310413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 310513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (stype) { 310613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Source is an individual type, target is an attribute. */ 310713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = k->source_type; 310813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(tattr, tnode, j) { 310913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 311013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 311113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = j + 1; 311213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_avtab_insert(expa, &newkey, d); 311313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 311413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 311513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 311613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 311713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 311813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 311913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ttype) { 312013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Target is an individual type, source is an attribute. */ 312113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = k->target_type; 312213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(sattr, snode, i) { 312313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 312413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 312513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = i + 1; 312613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_avtab_insert(expa, &newkey, d); 312713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 312813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 312913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 313013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 313113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 313213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 313313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Both source and target type are attributes. */ 313413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(sattr, snode, i) { 313513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 313613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 313713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(tattr, tnode, j) { 313813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 313913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 314013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = i + 1; 314113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = j + 1; 314213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_avtab_insert(expa, &newkey, d); 314313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 314413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 314513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 314613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 314713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 314813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 314913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 315013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 315113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_avtab(policydb_t * p, avtab_t * a, avtab_t * expa) 315213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 315313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle struct expand_avtab_data data; 315413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 315513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avtab_alloc(expa, MAX_AVTAB_SIZE)) { 315613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 315713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 315813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 315913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 316013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle data.expa = expa; 316113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle data.p = p; 316213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return avtab_map(a, expand_avtab_node, &data); 316313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 316413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 316513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindlestatic int expand_cond_insert(cond_av_list_t ** l, 316613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_t * expa, 316713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t * k, avtab_datum_t * d) 316813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 316913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 317013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *avd; 317113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t *nl; 317213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 317313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_search_node(expa, k); 317413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node || 317513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (k->specified & AVTAB_ENABLED) != 317613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle (node->key.specified & AVTAB_ENABLED)) { 317713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = avtab_insert_nonunique(expa, k, d); 317813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!node) { 317913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 318013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 318113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 318213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node->parse_context = (void *)1; 318313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl = (cond_av_list_t *) malloc(sizeof(*nl)); 318413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!nl) { 318513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 318613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 318713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 318813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle memset(nl, 0, sizeof(*nl)); 318913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl->node = node; 319013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle nl->next = *l; 319113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *l = nl; 319213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 319313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 319413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 319513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd = &node->datum; 319613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle switch (k->specified & ~AVTAB_ENABLED) { 319713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_ALLOWED: 319813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_AUDITALLOW: 319913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd->data |= d->data; 320013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 320113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle case AVTAB_AUDITDENY: 320213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avd->data &= d->data; 320313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle break; 320413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle default: 320513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Type conflict!"); 320613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 320713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 320813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 320913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 321013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 321113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 321213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_cond_av_node(policydb_t * p, 321313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node, 321413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** newl, avtab_t * expa) 321513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 321613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t *k = &node->key; 321713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_datum_t *d = &node->datum; 321813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *stype = p->type_val_to_struct[k->source_type - 1]; 321913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle type_datum_t *ttype = p->type_val_to_struct[k->target_type - 1]; 322013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t *sattr = &p->attr_type_map[k->source_type - 1]; 322113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_t *tattr = &p->attr_type_map[k->target_type - 1]; 322213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_node_t *snode, *tnode; 322313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle unsigned int i, j; 322413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_key_t newkey; 322513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc; 322613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 322713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_class = k->target_class; 322813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.specified = k->specified; 322913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 323013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (stype && ttype) { 323113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Both are individual types, no expansion required. */ 323213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return expand_cond_insert(newl, expa, k, d); 323313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 323413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 323513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (stype) { 323613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Source is an individual type, target is an attribute. */ 323713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = k->source_type; 323813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(tattr, tnode, j) { 323913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 324013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 324113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = j + 1; 324213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_cond_insert(newl, expa, &newkey, d); 324313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 324413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 324513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 324613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 324713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 324813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 324913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (ttype) { 325013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Target is an individual type, source is an attribute. */ 325113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = k->target_type; 325213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(sattr, snode, i) { 325313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 325413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 325513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = i + 1; 325613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_cond_insert(newl, expa, &newkey, d); 325713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 325813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 325913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 326013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 326113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 326213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 326313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle /* Both source and target type are attributes. */ 326413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(sattr, snode, i) { 326513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(snode, i)) 326613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 326713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ebitmap_for_each_bit(tattr, tnode, j) { 326813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (!ebitmap_node_get_bit(tnode, j)) 326913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle continue; 327013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.source_type = i + 1; 327113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle newkey.target_type = j + 1; 327213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_cond_insert(newl, expa, &newkey, d); 327313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 327413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 327513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 327613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 327713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 327813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 327913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 328013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 328113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindleint expand_cond_av_list(policydb_t * p, cond_av_list_t * l, 328213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t ** newl, avtab_t * expa) 328313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle{ 328413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle cond_av_list_t *cur; 328513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle avtab_ptr_t node; 328613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle int rc; 328713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 328813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (avtab_alloc(expa, MAX_AVTAB_SIZE)) { 328913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle ERR(NULL, "Out of memory!"); 329013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return -1; 329113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 329213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 329313cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle *newl = NULL; 329413cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle for (cur = l; cur; cur = cur->next) { 329513cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle node = cur->node; 329613cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle rc = expand_cond_av_node(p, node, newl, expa); 329713cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle if (rc) 329813cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return rc; 329913cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle } 330013cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle 330113cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle return 0; 330213cd4c8960688af11ad23b4c946149015c80d54Joshua Brindle} 3303