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| 1 /* ocsp_lib.c */ | |
| 2 /* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL | |
| 3 * project. */ | |
| 4 | |
| 5 /* History: | |
| 6 This file was transfered to Richard Levitte from CertCo by Kathy | |
| 7 Weinhold in mid-spring 2000 to be included in OpenSSL or released | |
| 8 as a patch kit. */ | |
| 9 | |
| 10 /* ==================================================================== | |
| 11 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. | |
| 12 * | |
| 13 * Redistribution and use in source and binary forms, with or without | |
| 14 * modification, are permitted provided that the following conditions | |
| 15 * are met: | |
| 16 * | |
| 17 * 1. Redistributions of source code must retain the above copyright | |
| 18 * notice, this list of conditions and the following disclaimer. | |
| 19 * | |
| 20 * 2. Redistributions in binary form must reproduce the above copyright | |
| 21 * notice, this list of conditions and the following disclaimer in | |
| 22 * the documentation and/or other materials provided with the | |
| 23 * distribution. | |
| 24 * | |
| 25 * 3. All advertising materials mentioning features or use of this | |
| 26 * software must display the following acknowledgment: | |
| 27 * "This product includes software developed by the OpenSSL Project | |
| 28 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
| 29 * | |
| 30 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 31 * endorse or promote products derived from this software without | |
| 32 * prior written permission. For written permission, please contact | |
| 33 * openssl-core@openssl.org. | |
| 34 * | |
| 35 * 5. Products derived from this software may not be called "OpenSSL" | |
| 36 * nor may "OpenSSL" appear in their names without prior written | |
| 37 * permission of the OpenSSL Project. | |
| 38 * | |
| 39 * 6. Redistributions of any form whatsoever must retain the following | |
| 40 * acknowledgment: | |
| 41 * "This product includes software developed by the OpenSSL Project | |
| 42 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
| 43 * | |
| 44 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 45 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 47 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 48 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 49 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 50 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 51 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 53 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 54 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 55 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 56 * ==================================================================== | |
| 57 * | |
| 58 * This product includes cryptographic software written by Eric Young | |
| 59 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 60 * Hudson (tjh@cryptsoft.com). | |
| 61 * | |
| 62 */ | |
| 63 | |
| 64 #include <stdio.h> | |
| 65 #include <cryptlib.h> | |
| 66 #include <openssl/objects.h> | |
| 67 #include <openssl/rand.h> | |
| 68 #include <openssl/x509.h> | |
| 69 #include <openssl/pem.h> | |
| 70 #include <openssl/x509v3.h> | |
| 71 #include <openssl/ocsp.h> | |
| 72 #include <openssl/asn1t.h> | |
| 73 | |
| 74 /* Convert a certificate and its issuer to an OCSP_CERTID */ | |
| 75 | |
| 76 OCSP_CERTID *OCSP_cert_to_id(const EVP_MD *dgst, X509 *subject, X509 *issuer) | |
| 77 { | |
| 78 X509_NAME *iname; | |
| 79 ASN1_INTEGER *serial; | |
| 80 ASN1_BIT_STRING *ikey; | |
| 81 #ifndef OPENSSL_NO_SHA1 | |
| 82 if(!dgst) dgst = EVP_sha1(); | |
| 83 #endif | |
| 84 if (subject) | |
| 85 { | |
| 86 iname = X509_get_issuer_name(subject); | |
| 87 serial = X509_get_serialNumber(subject); | |
| 88 } | |
| 89 else | |
| 90 { | |
| 91 iname = X509_get_subject_name(issuer); | |
| 92 serial = NULL; | |
| 93 } | |
| 94 ikey = X509_get0_pubkey_bitstr(issuer); | |
| 95 return OCSP_cert_id_new(dgst, iname, ikey, serial); | |
| 96 } | |
| 97 | |
| 98 | |
| 99 OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst, | |
| 100 X509_NAME *issuerName, | |
| 101 ASN1_BIT_STRING* issuerKey, | |
| 102 ASN1_INTEGER *serialNumber) | |
| 103 { | |
| 104 int nid; | |
| 105 unsigned int i; | |
| 106 X509_ALGOR *alg; | |
| 107 OCSP_CERTID *cid = NULL; | |
| 108 unsigned char md[EVP_MAX_MD_SIZE]; | |
| 109 | |
| 110 if (!(cid = OCSP_CERTID_new())) goto err; | |
| 111 | |
| 112 alg = cid->hashAlgorithm; | |
| 113 if (alg->algorithm != NULL) ASN1_OBJECT_free(alg->algorithm); | |
| 114 if ((nid = EVP_MD_type(dgst)) == NID_undef) | |
| 115 { | |
| 116 OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_UNKNOWN_NID); | |
| 117 goto err; | |
| 118 } | |
| 119 if (!(alg->algorithm=OBJ_nid2obj(nid))) goto err; | |
| 120 if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err; | |
| 121 alg->parameter->type=V_ASN1_NULL; | |
| 122 | |
| 123 if (!X509_NAME_digest(issuerName, dgst, md, &i)) goto digerr; | |
| 124 if (!(ASN1_OCTET_STRING_set(cid->issuerNameHash, md, i))) goto err; | |
| 125 | |
| 126 /* Calculate the issuerKey hash, excluding tag and length */ | |
| 127 if (!EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL)) | |
| 128 goto err; | |
| 129 | |
| 130 if (!(ASN1_OCTET_STRING_set(cid->issuerKeyHash, md, i))) goto err; | |
| 131 | |
| 132 if (serialNumber) | |
| 133 { | |
| 134 ASN1_INTEGER_free(cid->serialNumber); | |
| 135 if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber))) goto
err; | |
| 136 } | |
| 137 return cid; | |
| 138 digerr: | |
| 139 OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_DIGEST_ERR); | |
| 140 err: | |
| 141 if (cid) OCSP_CERTID_free(cid); | |
| 142 return NULL; | |
| 143 } | |
| 144 | |
| 145 int OCSP_id_issuer_cmp(OCSP_CERTID *a, OCSP_CERTID *b) | |
| 146 { | |
| 147 int ret; | |
| 148 ret = OBJ_cmp(a->hashAlgorithm->algorithm, b->hashAlgorithm->algorithm); | |
| 149 if (ret) return ret; | |
| 150 ret = ASN1_OCTET_STRING_cmp(a->issuerNameHash, b->issuerNameHash); | |
| 151 if (ret) return ret; | |
| 152 return ASN1_OCTET_STRING_cmp(a->issuerKeyHash, b->issuerKeyHash); | |
| 153 } | |
| 154 | |
| 155 int OCSP_id_cmp(OCSP_CERTID *a, OCSP_CERTID *b) | |
| 156 { | |
| 157 int ret; | |
| 158 ret = OCSP_id_issuer_cmp(a, b); | |
| 159 if (ret) return ret; | |
| 160 return ASN1_INTEGER_cmp(a->serialNumber, b->serialNumber); | |
| 161 } | |
| 162 | |
| 163 | |
| 164 /* Parse a URL and split it up into host, port and path components and whether | |
| 165 * it is SSL. | |
| 166 */ | |
| 167 | |
| 168 int OCSP_parse_url(char *url, char **phost, char **pport, char **ppath, int *pss
l) | |
| 169 { | |
| 170 char *p, *buf; | |
| 171 | |
| 172 char *host, *port; | |
| 173 | |
| 174 *phost = NULL; | |
| 175 *pport = NULL; | |
| 176 *ppath = NULL; | |
| 177 | |
| 178 /* dup the buffer since we are going to mess with it */ | |
| 179 buf = BUF_strdup(url); | |
| 180 if (!buf) goto mem_err; | |
| 181 | |
| 182 /* Check for initial colon */ | |
| 183 p = strchr(buf, ':'); | |
| 184 | |
| 185 if (!p) goto parse_err; | |
| 186 | |
| 187 *(p++) = '\0'; | |
| 188 | |
| 189 if (!strcmp(buf, "http")) | |
| 190 { | |
| 191 *pssl = 0; | |
| 192 port = "80"; | |
| 193 } | |
| 194 else if (!strcmp(buf, "https")) | |
| 195 { | |
| 196 *pssl = 1; | |
| 197 port = "443"; | |
| 198 } | |
| 199 else | |
| 200 goto parse_err; | |
| 201 | |
| 202 /* Check for double slash */ | |
| 203 if ((p[0] != '/') || (p[1] != '/')) | |
| 204 goto parse_err; | |
| 205 | |
| 206 p += 2; | |
| 207 | |
| 208 host = p; | |
| 209 | |
| 210 /* Check for trailing part of path */ | |
| 211 | |
| 212 p = strchr(p, '/'); | |
| 213 | |
| 214 if (!p) | |
| 215 *ppath = BUF_strdup("/"); | |
| 216 else | |
| 217 { | |
| 218 *ppath = BUF_strdup(p); | |
| 219 /* Set start of path to 0 so hostname is valid */ | |
| 220 *p = '\0'; | |
| 221 } | |
| 222 | |
| 223 if (!*ppath) goto mem_err; | |
| 224 | |
| 225 /* Look for optional ':' for port number */ | |
| 226 if ((p = strchr(host, ':'))) | |
| 227 { | |
| 228 *p = 0; | |
| 229 port = p + 1; | |
| 230 } | |
| 231 else | |
| 232 { | |
| 233 /* Not found: set default port */ | |
| 234 if (*pssl) port = "443"; | |
| 235 else port = "80"; | |
| 236 } | |
| 237 | |
| 238 *pport = BUF_strdup(port); | |
| 239 if (!*pport) goto mem_err; | |
| 240 | |
| 241 *phost = BUF_strdup(host); | |
| 242 | |
| 243 if (!*phost) goto mem_err; | |
| 244 | |
| 245 OPENSSL_free(buf); | |
| 246 | |
| 247 return 1; | |
| 248 | |
| 249 mem_err: | |
| 250 OCSPerr(OCSP_F_OCSP_PARSE_URL, ERR_R_MALLOC_FAILURE); | |
| 251 goto err; | |
| 252 | |
| 253 parse_err: | |
| 254 OCSPerr(OCSP_F_OCSP_PARSE_URL, OCSP_R_ERROR_PARSING_URL); | |
| 255 | |
| 256 | |
| 257 err: | |
| 258 if (buf) OPENSSL_free(buf); | |
| 259 if (*ppath) OPENSSL_free(*ppath); | |
| 260 if (*pport) OPENSSL_free(*pport); | |
| 261 if (*phost) OPENSSL_free(*phost); | |
| 262 return 0; | |
| 263 | |
| 264 } | |
| 265 | |
| 266 IMPLEMENT_ASN1_DUP_FUNCTION(OCSP_CERTID) | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master