legacy-libs/grpc-cloned/deps/grpc/third_party/boringssl/crypto/x509v3/v3_info.c

   1 /* v3_info.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 1999.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  * This product includes cryptographic software written by Eric Young
  55  * (eay@cryptsoft.com).  This product includes software written by Tim
  56  * Hudson (tjh@cryptsoft.com).
  57  *
  58  */
  59
  60 #include <stdio.h>
  61 #include <string.h>
  62
  63 #include <openssl/asn1.h>
  64 #include <openssl/asn1t.h>
  65 #include <openssl/buf.h>
  66 #include <openssl/conf.h>
  67 #include <openssl/err.h>
  68 #include <openssl/mem.h>
  69 #include <openssl/obj.h>
  70 #include <openssl/x509v3.h>
  71
  72 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
  73                                                        *method, AUTHORITY_INFO_ACCESS
  74                                                        *ainfo, STACK_OF(CONF_VALUE)
  75                                                        *ret);
  76 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
  77                                                         *method,
  78                                                         X509V3_CTX *ctx,
  79                                                         STACK_OF(CONF_VALUE)
  80                                                         *nval);
  81
  82 const X509V3_EXT_METHOD v3_info = { NID_info_access, X509V3_EXT_MULTILINE,
  83     ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
  84     0, 0, 0, 0,
  85     0, 0,
  86     (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
  87     (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
  88     0, 0,
  89     NULL
  90 };
  91
  92 const X509V3_EXT_METHOD v3_sinfo = { NID_sinfo_access, X509V3_EXT_MULTILINE,
  93     ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
  94     0, 0, 0, 0,
  95     0, 0,
  96     (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
  97     (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
  98     0, 0,
  99     NULL
 100 };
 101
 102 ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
 103         ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
 104         ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
 105 } ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
 106
 107 IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
 108
 109 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
 110         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
 111 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
 112
 113 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
 114
 115 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
 116     X509V3_EXT_METHOD *method, AUTHORITY_INFO_ACCESS *ainfo,
 117     STACK_OF(CONF_VALUE) *ret)
 118 {
 119     ACCESS_DESCRIPTION *desc;
 120     size_t i;
 121     int nlen;
 122     char objtmp[80], *ntmp;
 123     CONF_VALUE *vtmp;
 124     STACK_OF(CONF_VALUE) *tret = ret;
 125
 126     for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
 127         STACK_OF(CONF_VALUE) *tmp;
 128
 129         desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
 130         tmp = i2v_GENERAL_NAME(method, desc->location, tret);
 131         if (tmp == NULL)
 132             goto err;
 133         tret = tmp;
 134         vtmp = sk_CONF_VALUE_value(tret, i);
 135         i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
 136         nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
 137         ntmp = OPENSSL_malloc(nlen);
 138         if (ntmp == NULL)
 139             goto err;
 140         BUF_strlcpy(ntmp, objtmp, nlen);
 141         BUF_strlcat(ntmp, " - ", nlen);
 142         BUF_strlcat(ntmp, vtmp->name, nlen);
 143         OPENSSL_free(vtmp->name);
 144         vtmp->name = ntmp;
 145
 146     }
 147     if (ret == NULL && tret == NULL)
 148         return sk_CONF_VALUE_new_null();
 149
 150     return tret;
 151  err:
 152     OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
 153     if (ret == NULL && tret != NULL)
 154         sk_CONF_VALUE_pop_free(tret, X509V3_conf_free);
 155     return NULL;
 156 }
 157
 158 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
 159                                                         *method,
 160                                                         X509V3_CTX *ctx,
 161                                                         STACK_OF(CONF_VALUE)
 162                                                         *nval)
 163 {
 164     AUTHORITY_INFO_ACCESS *ainfo = NULL;
 165     CONF_VALUE *cnf, ctmp;
 166     ACCESS_DESCRIPTION *acc;
 167     size_t i;
 168     int objlen;
 169     char *objtmp, *ptmp;
 170     if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
 171         OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
 172         return NULL;
 173     }
 174     for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 175         cnf = sk_CONF_VALUE_value(nval, i);
 176         if (!(acc = ACCESS_DESCRIPTION_new())
 177             || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
 178             OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
 179             goto err;
 180         }
 181         ptmp = strchr(cnf->name, ';');
 182         if (!ptmp) {
 183             OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_SYNTAX);
 184             goto err;
 185         }
 186         objlen = ptmp - cnf->name;
 187         ctmp.name = ptmp + 1;
 188         ctmp.value = cnf->value;
 189         if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
 190             goto err;
 191         if (!(objtmp = OPENSSL_malloc(objlen + 1))) {
 192             OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
 193             goto err;
 194         }
 195         BUF_strlcpy(objtmp, cnf->name, objlen + 1);
 196         acc->method = OBJ_txt2obj(objtmp, 0);
 197         if (!acc->method) {
 198             OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT);
 199             ERR_add_error_data(2, "value=", objtmp);
 200             OPENSSL_free(objtmp);
 201             goto err;
 202         }
 203         OPENSSL_free(objtmp);
 204
 205     }
 206     return ainfo;
 207  err:
 208     sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
 209     return NULL;
 210 }
 211
 212 int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION *a)
 213 {
 214     i2a_ASN1_OBJECT(bp, a->method);
 215 #ifdef UNDEF
 216     i2a_GENERAL_NAME(bp, a->location);
 217 #endif
 218     return 2;
 219 }