1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* v3_ncons.c */ 2e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * project. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* ==================================================================== 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright (c) 2003 The OpenSSL Project. All rights reserved. 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the above copyright 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the documentation and/or other materials provided with the 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * distribution. 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * software must display the following acknowledgment: 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * endorse or promote products derived from this software without 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * prior written permission. For written permission, please contact 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * licensing@OpenSSL.org. 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5. Products derived from this software may not be called "OpenSSL" 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * nor may "OpenSSL" appear in their names without prior written 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * permission of the OpenSSL Project. 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 6. Redistributions of any form whatsoever must retain the following 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * acknowledgment: 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OF THE POSSIBILITY OF SUCH DAMAGE. 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ==================================================================== 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This product includes cryptographic software written by Eric Young 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * (eay@cryptsoft.com). This product includes software written by Tim 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Hudson (tjh@cryptsoft.com). 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/asn1t.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/conf.h> 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/x509v3.h> 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 66221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, 67221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval); 68221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project void *a, BIO *bp, int ind); 70221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int do_i2r_name_constraints(const X509V3_EXT_METHOD *method, 71221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom STACK_OF(GENERAL_SUBTREE) *trees, 72221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom BIO *bp, int ind, char *name); 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip); 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 75221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc); 76221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_match_single(GENERAL_NAME *sub, GENERAL_NAME *gen); 77221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_dn(X509_NAME *sub, X509_NAME *nm); 78221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_dns(ASN1_IA5STRING *sub, ASN1_IA5STRING *dns); 79221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_email(ASN1_IA5STRING *sub, ASN1_IA5STRING *eml); 80221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base); 81221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectconst X509V3_EXT_METHOD v3_name_constraints = { 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project NID_name_constraints, 0, 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_ITEM_ref(NAME_CONSTRAINTS), 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 0,0,0,0, 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 0,0, 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 0, v2i_NAME_CONSTRAINTS, 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i2r_NAME_CONSTRAINTS,0, 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project NULL 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project}; 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_SEQUENCE(GENERAL_SUBTREE) = { 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(GENERAL_SUBTREE, base, GENERAL_NAME), 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_IMP_OPT(GENERAL_SUBTREE, minimum, ASN1_INTEGER, 0), 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_IMP_OPT(GENERAL_SUBTREE, maximum, ASN1_INTEGER, 1) 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} ASN1_SEQUENCE_END(GENERAL_SUBTREE) 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_SEQUENCE(NAME_CONSTRAINTS) = { 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, permittedSubtrees, 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project GENERAL_SUBTREE, 0), 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, excludedSubtrees, 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project GENERAL_SUBTREE, 1), 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} ASN1_SEQUENCE_END(NAME_CONSTRAINTS) 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_ASN1_ALLOC_FUNCTIONS(GENERAL_SUBTREE) 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_ASN1_ALLOC_FUNCTIONS(NAME_CONSTRAINTS) 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 109221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, 110221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CONF_VALUE tval, *val; 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project STACK_OF(GENERAL_SUBTREE) **ptree = NULL; 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project NAME_CONSTRAINTS *ncons = NULL; 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project GENERAL_SUBTREE *sub = NULL; 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ncons = NAME_CONSTRAINTS_new(); 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!ncons) 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto memerr; 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for(i = 0; i < sk_CONF_VALUE_num(nval); i++) 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project val = sk_CONF_VALUE_value(nval, i); 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!strncmp(val->name, "permitted", 9) && val->name[9]) 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ptree = &ncons->permittedSubtrees; 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tval.name = val->name + 10; 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else if (!strncmp(val->name, "excluded", 8) && val->name[8]) 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ptree = &ncons->excludedSubtrees; 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tval.name = val->name + 9; 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, X509V3_R_INVALID_SYNTAX); 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tval.value = val->value; 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sub = GENERAL_SUBTREE_new(); 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!v2i_GENERAL_NAME_ex(sub->base, method, ctx, &tval, 1)) 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!*ptree) 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *ptree = sk_GENERAL_SUBTREE_new_null(); 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!*ptree || !sk_GENERAL_SUBTREE_push(*ptree, sub)) 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto memerr; 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sub = NULL; 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ncons; 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memerr: 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, ERR_R_MALLOC_FAILURE); 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project err: 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ncons) 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project NAME_CONSTRAINTS_free(ncons); 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (sub) 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project GENERAL_SUBTREE_free(sub); 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 165221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a, 166221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom BIO *bp, int ind) 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project NAME_CONSTRAINTS *ncons = a; 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project do_i2r_name_constraints(method, ncons->permittedSubtrees, 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bp, ind, "Permitted"); 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project do_i2r_name_constraints(method, ncons->excludedSubtrees, 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project bp, ind, "Excluded"); 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 176221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int do_i2r_name_constraints(const X509V3_EXT_METHOD *method, 177221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom STACK_OF(GENERAL_SUBTREE) *trees, 178221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom BIO *bp, int ind, char *name) 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project GENERAL_SUBTREE *tree; 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (sk_GENERAL_SUBTREE_num(trees) > 0) 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_printf(bp, "%*s%s:\n", ind, "", name); 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for(i = 0; i < sk_GENERAL_SUBTREE_num(trees); i++) 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tree = sk_GENERAL_SUBTREE_value(trees, i); 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_printf(bp, "%*s", ind + 2, ""); 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (tree->base->type == GEN_IPADD) 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project print_nc_ipadd(bp, tree->base->d.ip); 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project GENERAL_NAME_print(bp, tree->base); 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_puts(bp, "\n"); 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip) 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i, len; 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *p; 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p = ip->data; 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project len = ip->length; 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_puts(bp, "IP:"); 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(len == 8) 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_printf(bp, "%d.%d.%d.%d/%d.%d.%d.%d", 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p[0], p[1], p[2], p[3], 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p[4], p[5], p[6], p[7]); 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else if(len == 32) 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for (i = 0; i < 16; i++) 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_printf(bp, "%X", p[0] << 8 | p[1]); 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p += 2; 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i == 7) 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_puts(bp, "/"); 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else if (i != 15) 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_puts(bp, ":"); 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project BIO_printf(bp, "IP Address:<invalid>"); 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 227221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom/* Check a certificate conforms to a specified set of constraints. 228221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * Return values: 229221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * X509_V_OK: All constraints obeyed. 230221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * X509_V_ERR_PERMITTED_VIOLATION: Permitted subtree violation. 231221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * X509_V_ERR_EXCLUDED_VIOLATION: Excluded subtree violation. 232221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * X509_V_ERR_SUBTREE_MINMAX: Min or max values present and matching type. 233221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE: Unsupported constraint type. 234221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: bad unsupported constraint syntax. 235221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: bad or unsupported syntax of name 236221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 237221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom */ 238221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 239221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint NAME_CONSTRAINTS_check(X509 *x, NAME_CONSTRAINTS *nc) 240221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 241221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom int r, i; 242221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom X509_NAME *nm; 243221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 244221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom nm = X509_get_subject_name(x); 245221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 246221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (X509_NAME_entry_count(nm) > 0) 247221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 248221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom GENERAL_NAME gntmp; 249221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom gntmp.type = GEN_DIRNAME; 250221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom gntmp.d.directoryName = nm; 251221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 252221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom r = nc_match(&gntmp, nc); 253221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 254221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (r != X509_V_OK) 255221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return r; 256221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 257221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom gntmp.type = GEN_EMAIL; 258221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 259221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 260221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Process any email address attributes in subject name */ 261221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 262221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom for (i = -1;;) 263221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 264221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom X509_NAME_ENTRY *ne; 265221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom i = X509_NAME_get_index_by_NID(nm, 266221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom NID_pkcs9_emailAddress, 267221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom i); 268221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (i == -1) 269221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom break; 270221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ne = X509_NAME_get_entry(nm, i); 271221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom gntmp.d.rfc822Name = X509_NAME_ENTRY_get_data(ne); 272221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (gntmp.d.rfc822Name->type != V_ASN1_IA5STRING) 273221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; 274221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 275221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom r = nc_match(&gntmp, nc); 276221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 277221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (r != X509_V_OK) 278221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return r; 279221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 280221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 281221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 282221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 283221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom for (i = 0; i < sk_GENERAL_NAME_num(x->altname); i++) 284221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 285221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom GENERAL_NAME *gen = sk_GENERAL_NAME_value(x->altname, i); 286221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom r = nc_match(gen, nc); 287221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (r != X509_V_OK) 288221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return r; 289221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 290221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 291221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 292221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 293221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 294221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 295221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc) 296221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 297221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom GENERAL_SUBTREE *sub; 298221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom int i, r, match = 0; 299221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 300221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Permitted subtrees: if any subtrees exist of matching the type 301221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * at least one subtree must match. 302221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom */ 303221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 304221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++) 305221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 306221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom sub = sk_GENERAL_SUBTREE_value(nc->permittedSubtrees, i); 307221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (gen->type != sub->base->type) 308221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom continue; 309221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (sub->minimum || sub->maximum) 310221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_SUBTREE_MINMAX; 311221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* If we already have a match don't bother trying any more */ 312221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (match == 2) 313221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom continue; 314221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (match == 0) 315221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom match = 1; 316221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom r = nc_match_single(gen, sub->base); 317221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (r == X509_V_OK) 318221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom match = 2; 319221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom else if (r != X509_V_ERR_PERMITTED_VIOLATION) 320221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return r; 321221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 322221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 323221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (match == 1) 324221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 325221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 326221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Excluded subtrees: must not match any of these */ 327221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 328221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++) 329221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 330221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom sub = sk_GENERAL_SUBTREE_value(nc->excludedSubtrees, i); 331221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (gen->type != sub->base->type) 332221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom continue; 333221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (sub->minimum || sub->maximum) 334221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_SUBTREE_MINMAX; 335221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 336221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom r = nc_match_single(gen, sub->base); 337221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (r == X509_V_OK) 338221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_EXCLUDED_VIOLATION; 339221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom else if (r != X509_V_ERR_PERMITTED_VIOLATION) 340221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return r; 341221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 342221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 343221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 344221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 345221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 346221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 347221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 348221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_match_single(GENERAL_NAME *gen, GENERAL_NAME *base) 349221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 350221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom switch(base->type) 351221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 352221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom case GEN_DIRNAME: 353221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return nc_dn(gen->d.directoryName, base->d.directoryName); 354221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 355221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom case GEN_DNS: 356221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return nc_dns(gen->d.dNSName, base->d.dNSName); 357221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 358221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom case GEN_EMAIL: 359221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return nc_email(gen->d.rfc822Name, base->d.rfc822Name); 360221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 361221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom case GEN_URI: 362221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return nc_uri(gen->d.uniformResourceIdentifier, 363221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom base->d.uniformResourceIdentifier); 364221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 365221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom default: 366221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE; 367221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 368221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 369221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 370221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 371221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom/* directoryName name constraint matching. 372221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * The canonical encoding of X509_NAME makes this comparison easy. It is 373221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * matched if the subtree is a subset of the name. 374221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom */ 375221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 376221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_dn(X509_NAME *nm, X509_NAME *base) 377221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 378221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Ensure canonical encodings are up to date. */ 379221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (nm->modified && i2d_X509_NAME(nm, NULL) < 0) 380221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_OUT_OF_MEM; 381221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (base->modified && i2d_X509_NAME(base, NULL) < 0) 382221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_OUT_OF_MEM; 383221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (base->canon_enclen > nm->canon_enclen) 384221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 385221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (memcmp(base->canon_enc, nm->canon_enc, base->canon_enclen)) 386221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 387221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 388221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 389221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 390221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_dns(ASN1_IA5STRING *dns, ASN1_IA5STRING *base) 391221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 392221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom char *baseptr = (char *)base->data; 393221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom char *dnsptr = (char *)dns->data; 394221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Empty matches everything */ 395221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!*baseptr) 396221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 397221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Otherwise can add zero or more components on the left so 398221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * compare RHS and if dns is longer and expect '.' as preceding 399221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * character. 400221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom */ 401221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (dns->length > base->length) 402221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 403221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom dnsptr += dns->length - base->length; 404221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (dnsptr[-1] != '.') 405221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 406221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 407221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 408221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (strcasecmp(baseptr, dnsptr)) 409221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 410221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 411221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 412221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 413221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 414221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 415221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_email(ASN1_IA5STRING *eml, ASN1_IA5STRING *base) 416221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 417221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const char *baseptr = (char *)base->data; 418221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const char *emlptr = (char *)eml->data; 419221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 420221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const char *baseat = strchr(baseptr, '@'); 421221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const char *emlat = strchr(emlptr, '@'); 422221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!emlat) 423221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; 424221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Special case: inital '.' is RHS match */ 425221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!baseat && (*baseptr == '.')) 426221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 427221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (eml->length > base->length) 428221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 429221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom emlptr += eml->length - base->length; 430221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!strcasecmp(baseptr, emlptr)) 431221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 432221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 433221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 434221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 435221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 436221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* If we have anything before '@' match local part */ 437221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 438221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (baseat) 439221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 440221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (baseat != baseptr) 441221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 442221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if ((baseat - baseptr) != (emlat - emlptr)) 443221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 444221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Case sensitive match of local part */ 445221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (strncmp(baseptr, emlptr, emlat - emlptr)) 446221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 447221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 448221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Position base after '@' */ 449221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom baseptr = baseat + 1; 450221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 451221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom emlptr = emlat + 1; 452221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Just have hostname left to match: case insensitive */ 453221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (strcasecmp(baseptr, emlptr)) 454221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 455221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 456221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 457221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 458221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 459221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 460221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base) 461221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 462221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const char *baseptr = (char *)base->data; 463221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const char *hostptr = (char *)uri->data; 464221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const char *p = strchr(hostptr, ':'); 465221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom int hostlen; 466221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Check for foo:// and skip past it */ 467221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!p || (p[1] != '/') || (p[2] != '/')) 468221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; 469221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom hostptr = p + 3; 470221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 471221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Determine length of hostname part of URI */ 472221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 473221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Look for a port indicator as end of hostname first */ 474221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 475221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom p = strchr(hostptr, ':'); 476221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Otherwise look for trailing slash */ 477221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!p) 478221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom p = strchr(hostptr, '/'); 479221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 480221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!p) 481221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom hostlen = strlen(hostptr); 482221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom else 483221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom hostlen = p - hostptr; 484221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 485221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (hostlen == 0) 486221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX; 487221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 488221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Special case: inital '.' is RHS match */ 489221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (*baseptr == '.') 490221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 491221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (hostlen > base->length) 492221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 493221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom p = hostptr + hostlen - base->length; 494221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!strncasecmp(p, baseptr, base->length)) 495221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 496221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 497221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 498221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 499221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 500221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if ((base->length != (int)hostlen) || strncasecmp(hostptr, baseptr, hostlen)) 501221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_ERR_PERMITTED_VIOLATION; 502221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 503221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return X509_V_OK; 504221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 505221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 506