diff options
Diffstat (limited to 'src/lib/libcrypto/ocsp/ocsp_lib.c')
| -rw-r--r-- | src/lib/libcrypto/ocsp/ocsp_lib.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/lib/libcrypto/ocsp/ocsp_lib.c b/src/lib/libcrypto/ocsp/ocsp_lib.c new file mode 100644 index 0000000000..27450811d7 --- /dev/null +++ b/src/lib/libcrypto/ocsp/ocsp_lib.c | |||
| @@ -0,0 +1,262 @@ | |||
| 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 | |||
| 73 | /* Convert a certificate and its issuer to an OCSP_CERTID */ | ||
| 74 | |||
| 75 | OCSP_CERTID *OCSP_cert_to_id(const EVP_MD *dgst, X509 *subject, X509 *issuer) | ||
| 76 | { | ||
| 77 | X509_NAME *iname; | ||
| 78 | ASN1_INTEGER *serial; | ||
| 79 | ASN1_BIT_STRING *ikey; | ||
| 80 | #ifndef OPENSSL_NO_SHA1 | ||
| 81 | if(!dgst) dgst = EVP_sha1(); | ||
| 82 | #endif | ||
| 83 | if (subject) | ||
| 84 | { | ||
| 85 | iname = X509_get_issuer_name(subject); | ||
| 86 | serial = X509_get_serialNumber(subject); | ||
| 87 | } | ||
| 88 | else | ||
| 89 | { | ||
| 90 | iname = X509_get_subject_name(issuer); | ||
| 91 | serial = NULL; | ||
| 92 | } | ||
| 93 | ikey = X509_get0_pubkey_bitstr(issuer); | ||
| 94 | return OCSP_cert_id_new(dgst, iname, ikey, serial); | ||
| 95 | } | ||
| 96 | |||
| 97 | |||
| 98 | OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst, | ||
| 99 | X509_NAME *issuerName, | ||
| 100 | ASN1_BIT_STRING* issuerKey, | ||
| 101 | ASN1_INTEGER *serialNumber) | ||
| 102 | { | ||
| 103 | int nid; | ||
| 104 | unsigned int i; | ||
| 105 | X509_ALGOR *alg; | ||
| 106 | OCSP_CERTID *cid = NULL; | ||
| 107 | unsigned char md[EVP_MAX_MD_SIZE]; | ||
| 108 | |||
| 109 | if (!(cid = OCSP_CERTID_new())) goto err; | ||
| 110 | |||
| 111 | alg = cid->hashAlgorithm; | ||
| 112 | if (alg->algorithm != NULL) ASN1_OBJECT_free(alg->algorithm); | ||
| 113 | if ((nid = EVP_MD_type(dgst)) == NID_undef) | ||
| 114 | { | ||
| 115 | OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_UNKNOWN_NID); | ||
| 116 | goto err; | ||
| 117 | } | ||
| 118 | if (!(alg->algorithm=OBJ_nid2obj(nid))) goto err; | ||
| 119 | if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err; | ||
| 120 | alg->parameter->type=V_ASN1_NULL; | ||
| 121 | |||
| 122 | if (!X509_NAME_digest(issuerName, dgst, md, &i)) goto digerr; | ||
| 123 | if (!(ASN1_OCTET_STRING_set(cid->issuerNameHash, md, i))) goto err; | ||
| 124 | |||
| 125 | /* Calculate the issuerKey hash, excluding tag and length */ | ||
| 126 | EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL); | ||
| 127 | |||
| 128 | if (!(ASN1_OCTET_STRING_set(cid->issuerKeyHash, md, i))) goto err; | ||
| 129 | |||
| 130 | if (serialNumber) | ||
| 131 | { | ||
| 132 | ASN1_INTEGER_free(cid->serialNumber); | ||
| 133 | if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber))) goto err; | ||
| 134 | } | ||
| 135 | return cid; | ||
| 136 | digerr: | ||
| 137 | OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_DIGEST_ERR); | ||
| 138 | err: | ||
| 139 | if (cid) OCSP_CERTID_free(cid); | ||
| 140 | return NULL; | ||
| 141 | } | ||
| 142 | |||
| 143 | int OCSP_id_issuer_cmp(OCSP_CERTID *a, OCSP_CERTID *b) | ||
| 144 | { | ||
| 145 | int ret; | ||
| 146 | ret = OBJ_cmp(a->hashAlgorithm->algorithm, b->hashAlgorithm->algorithm); | ||
| 147 | if (ret) return ret; | ||
| 148 | ret = ASN1_OCTET_STRING_cmp(a->issuerNameHash, b->issuerNameHash); | ||
| 149 | if (ret) return ret; | ||
| 150 | return ASN1_OCTET_STRING_cmp(a->issuerKeyHash, b->issuerKeyHash); | ||
| 151 | } | ||
| 152 | |||
| 153 | int OCSP_id_cmp(OCSP_CERTID *a, OCSP_CERTID *b) | ||
| 154 | { | ||
| 155 | int ret; | ||
| 156 | ret = OCSP_id_issuer_cmp(a, b); | ||
| 157 | if (ret) return ret; | ||
| 158 | return ASN1_INTEGER_cmp(a->serialNumber, b->serialNumber); | ||
| 159 | } | ||
| 160 | |||
| 161 | |||
| 162 | /* Parse a URL and split it up into host, port and path components and whether | ||
| 163 | * it is SSL. | ||
| 164 | */ | ||
| 165 | |||
| 166 | int OCSP_parse_url(char *url, char **phost, char **pport, char **ppath, int *pssl) | ||
| 167 | { | ||
| 168 | char *p, *buf; | ||
| 169 | |||
| 170 | char *host, *port; | ||
| 171 | |||
| 172 | /* dup the buffer since we are going to mess with it */ | ||
| 173 | buf = BUF_strdup(url); | ||
| 174 | if (!buf) goto mem_err; | ||
| 175 | |||
| 176 | *phost = NULL; | ||
| 177 | *pport = NULL; | ||
| 178 | *ppath = NULL; | ||
| 179 | |||
| 180 | /* Check for initial colon */ | ||
| 181 | p = strchr(buf, ':'); | ||
| 182 | |||
| 183 | if (!p) goto parse_err; | ||
| 184 | |||
| 185 | *(p++) = '\0'; | ||
| 186 | |||
| 187 | if (!strcmp(buf, "http")) | ||
| 188 | { | ||
| 189 | *pssl = 0; | ||
| 190 | port = "80"; | ||
| 191 | } | ||
| 192 | else if (!strcmp(buf, "https")) | ||
| 193 | { | ||
| 194 | *pssl = 1; | ||
| 195 | port = "443"; | ||
| 196 | } | ||
| 197 | else | ||
| 198 | goto parse_err; | ||
| 199 | |||
| 200 | /* Check for double slash */ | ||
| 201 | if ((p[0] != '/') || (p[1] != '/')) | ||
| 202 | goto parse_err; | ||
| 203 | |||
| 204 | p += 2; | ||
| 205 | |||
| 206 | host = p; | ||
| 207 | |||
| 208 | /* Check for trailing part of path */ | ||
| 209 | |||
| 210 | p = strchr(p, '/'); | ||
| 211 | |||
| 212 | if (!p) | ||
| 213 | *ppath = BUF_strdup("/"); | ||
| 214 | else | ||
| 215 | { | ||
| 216 | *ppath = BUF_strdup(p); | ||
| 217 | /* Set start of path to 0 so hostname is valid */ | ||
| 218 | *p = '\0'; | ||
| 219 | } | ||
| 220 | |||
| 221 | if (!*ppath) goto mem_err; | ||
| 222 | |||
| 223 | /* Look for optional ':' for port number */ | ||
| 224 | if ((p = strchr(host, ':'))) | ||
| 225 | { | ||
| 226 | *p = 0; | ||
| 227 | port = p + 1; | ||
| 228 | } | ||
| 229 | else | ||
| 230 | { | ||
| 231 | /* Not found: set default port */ | ||
| 232 | if (*pssl) port = "443"; | ||
| 233 | else port = "80"; | ||
| 234 | } | ||
| 235 | |||
| 236 | *pport = BUF_strdup(port); | ||
| 237 | if (!*pport) goto mem_err; | ||
| 238 | |||
| 239 | *phost = BUF_strdup(host); | ||
| 240 | |||
| 241 | if (!*phost) goto mem_err; | ||
| 242 | |||
| 243 | OPENSSL_free(buf); | ||
| 244 | |||
| 245 | return 1; | ||
| 246 | |||
| 247 | mem_err: | ||
| 248 | OCSPerr(OCSP_F_OCSP_PARSE_URL, ERR_R_MALLOC_FAILURE); | ||
| 249 | goto err; | ||
| 250 | |||
| 251 | parse_err: | ||
| 252 | OCSPerr(OCSP_F_OCSP_PARSE_URL, OCSP_R_ERROR_PARSING_URL); | ||
| 253 | |||
| 254 | |||
| 255 | err: | ||
| 256 | if (buf) OPENSSL_free(buf); | ||
| 257 | if (*ppath) OPENSSL_free(*ppath); | ||
| 258 | if (*pport) OPENSSL_free(*pport); | ||
| 259 | if (*phost) OPENSSL_free(*phost); | ||
| 260 | return 0; | ||
| 261 | |||
| 262 | } | ||
