LCOV - code coverage report
Current view: top level - ocsp - ocsp_lib.c (source / functions) Hit Total Coverage
Test: lcov_coverage_final.info Lines: 0 90 0.0 %
Date: 2014-08-02 Functions: 0 6 0.0 %
Branches: 0 70 0.0 %

           Branch data     Line data    Source code
       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                 :          0 : 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         [ #  # ]:          0 :         if(!dgst) dgst = EVP_sha1();
      83                 :            : #endif
      84         [ #  # ]:          0 :         if (subject)
      85                 :            :                 {
      86                 :          0 :                 iname = X509_get_issuer_name(subject);
      87                 :          0 :                 serial = X509_get_serialNumber(subject);
      88                 :            :                 }
      89                 :            :         else
      90                 :            :                 {
      91                 :          0 :                 iname = X509_get_subject_name(issuer);
      92                 :          0 :                 serial = NULL;
      93                 :            :                 }
      94                 :          0 :         ikey = X509_get0_pubkey_bitstr(issuer);
      95                 :          0 :         return OCSP_cert_id_new(dgst, iname, ikey, serial);
      96                 :            : }
      97                 :            : 
      98                 :            : 
      99                 :          0 : 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                 :          0 :         OCSP_CERTID *cid = NULL;
     108                 :            :         unsigned char md[EVP_MAX_MD_SIZE];
     109                 :            : 
     110         [ #  # ]:          0 :         if (!(cid = OCSP_CERTID_new())) goto err;
     111                 :            : 
     112                 :          0 :         alg = cid->hashAlgorithm;
     113         [ #  # ]:          0 :         if (alg->algorithm != NULL) ASN1_OBJECT_free(alg->algorithm);
     114         [ #  # ]:          0 :         if ((nid = EVP_MD_type(dgst)) == NID_undef)
     115                 :            :                 {
     116                 :          0 :                 OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_UNKNOWN_NID);
     117                 :          0 :                 goto err;
     118                 :            :                 }
     119         [ #  # ]:          0 :         if (!(alg->algorithm=OBJ_nid2obj(nid))) goto err;
     120         [ #  # ]:          0 :         if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err;
     121                 :          0 :         alg->parameter->type=V_ASN1_NULL;
     122                 :            : 
     123         [ #  # ]:          0 :         if (!X509_NAME_digest(issuerName, dgst, md, &i)) goto digerr;
     124         [ #  # ]:          0 :         if (!(ASN1_OCTET_STRING_set(cid->issuerNameHash, md, i))) goto err;
     125                 :            : 
     126                 :            :         /* Calculate the issuerKey hash, excluding tag and length */
     127         [ #  # ]:          0 :         if (!EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL))
     128                 :            :                 goto err;
     129                 :            : 
     130         [ #  # ]:          0 :         if (!(ASN1_OCTET_STRING_set(cid->issuerKeyHash, md, i))) goto err;
     131                 :            : 
     132         [ #  # ]:          0 :         if (serialNumber)
     133                 :            :                 {
     134                 :          0 :                 ASN1_INTEGER_free(cid->serialNumber);
     135         [ #  # ]:          0 :                 if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber))) goto err;
     136                 :            :                 }
     137                 :          0 :         return cid;
     138                 :            : digerr:
     139                 :          0 :         OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_DIGEST_ERR);
     140                 :            : err:
     141         [ #  # ]:          0 :         if (cid) OCSP_CERTID_free(cid);
     142                 :            :         return NULL;
     143                 :            :         }
     144                 :            : 
     145                 :          0 : int OCSP_id_issuer_cmp(OCSP_CERTID *a, OCSP_CERTID *b)
     146                 :            :         {
     147                 :            :         int ret;
     148                 :          0 :         ret = OBJ_cmp(a->hashAlgorithm->algorithm, b->hashAlgorithm->algorithm);
     149         [ #  # ]:          0 :         if (ret) return ret;
     150                 :          0 :         ret = ASN1_OCTET_STRING_cmp(a->issuerNameHash, b->issuerNameHash);
     151         [ #  # ]:          0 :         if (ret) return ret;
     152                 :          0 :         return ASN1_OCTET_STRING_cmp(a->issuerKeyHash, b->issuerKeyHash);
     153                 :            :         }
     154                 :            : 
     155                 :          0 : int OCSP_id_cmp(OCSP_CERTID *a, OCSP_CERTID *b)
     156                 :            :         {
     157                 :            :         int ret;
     158                 :          0 :         ret = OCSP_id_issuer_cmp(a, b);
     159         [ #  # ]:          0 :         if (ret) return ret;
     160                 :          0 :         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                 :          0 : int OCSP_parse_url(const char *url, char **phost, char **pport, char **ppath, int *pssl)
     169                 :            :         {
     170                 :            :         char *p, *buf;
     171                 :            : 
     172                 :            :         char *host, *port;
     173                 :            : 
     174                 :          0 :         *phost = NULL;
     175                 :          0 :         *pport = NULL;
     176                 :          0 :         *ppath = NULL;
     177                 :            : 
     178                 :            :         /* dup the buffer since we are going to mess with it */
     179                 :          0 :         buf = BUF_strdup(url);
     180         [ #  # ]:          0 :         if (!buf) goto mem_err;
     181                 :            : 
     182                 :            :         /* Check for initial colon */
     183                 :          0 :         p = strchr(buf, ':');
     184                 :            : 
     185         [ #  # ]:          0 :         if (!p) goto parse_err;
     186                 :            : 
     187                 :          0 :         *(p++) = '\0';
     188                 :            : 
     189         [ #  # ]:          0 :         if (!strcmp(buf, "http"))
     190                 :            :                 {
     191                 :          0 :                 *pssl = 0;
     192                 :          0 :                 port = "80";
     193                 :            :                 }
     194         [ #  # ]:          0 :         else if (!strcmp(buf, "https"))
     195                 :            :                 {
     196                 :          0 :                 *pssl = 1;
     197                 :          0 :                 port = "443";
     198                 :            :                 }
     199                 :            :         else
     200                 :            :                 goto parse_err;
     201                 :            : 
     202                 :            :         /* Check for double slash */
     203 [ #  # ][ #  # ]:          0 :         if ((p[0] != '/') || (p[1] != '/'))
     204                 :            :                 goto parse_err;
     205                 :            : 
     206                 :          0 :         p += 2;
     207                 :            : 
     208                 :          0 :         host = p;
     209                 :            : 
     210                 :            :         /* Check for trailing part of path */
     211                 :            : 
     212                 :          0 :         p = strchr(p, '/');
     213                 :            : 
     214         [ #  # ]:          0 :         if (!p) 
     215                 :          0 :                 *ppath = BUF_strdup("/");
     216                 :            :         else
     217                 :            :                 {
     218                 :          0 :                 *ppath = BUF_strdup(p);
     219                 :            :                 /* Set start of path to 0 so hostname is valid */
     220                 :          0 :                 *p = '\0';
     221                 :            :                 }
     222                 :            : 
     223         [ #  # ]:          0 :         if (!*ppath) goto mem_err;
     224                 :            : 
     225                 :          0 :         p = host;
     226         [ #  # ]:          0 :         if(host[0] == '[')
     227                 :            :                 {
     228                 :            :                 /* ipv6 literal */
     229                 :          0 :                 host++;
     230                 :          0 :                 p = strchr(host, ']');
     231         [ #  # ]:          0 :                 if(!p) goto parse_err;
     232                 :          0 :                 *p = '\0';
     233                 :          0 :                 p++;
     234                 :            :                 }
     235                 :            : 
     236                 :            :         /* Look for optional ':' for port number */
     237         [ #  # ]:          0 :         if ((p = strchr(p, ':')))
     238                 :            :                 {
     239                 :          0 :                 *p = 0;
     240                 :          0 :                 port = p + 1;
     241                 :            :                 }
     242                 :            :         else
     243                 :            :                 {
     244                 :            :                 /* Not found: set default port */
     245         [ #  # ]:          0 :                 if (*pssl) port = "443";
     246                 :          0 :                 else port = "80";
     247                 :            :                 }
     248                 :            : 
     249                 :          0 :         *pport = BUF_strdup(port);
     250         [ #  # ]:          0 :         if (!*pport) goto mem_err;
     251                 :            : 
     252                 :          0 :         *phost = BUF_strdup(host);
     253                 :            : 
     254         [ #  # ]:          0 :         if (!*phost) goto mem_err;
     255                 :            : 
     256                 :          0 :         OPENSSL_free(buf);
     257                 :            : 
     258                 :          0 :         return 1;
     259                 :            : 
     260                 :            :         mem_err:
     261                 :          0 :         OCSPerr(OCSP_F_OCSP_PARSE_URL, ERR_R_MALLOC_FAILURE);
     262                 :          0 :         goto err;
     263                 :            : 
     264                 :            :         parse_err:
     265                 :          0 :         OCSPerr(OCSP_F_OCSP_PARSE_URL, OCSP_R_ERROR_PARSING_URL);
     266                 :            : 
     267                 :            : 
     268                 :            :         err:
     269         [ #  # ]:          0 :         if (buf) OPENSSL_free(buf);
     270         [ #  # ]:          0 :         if (*ppath) OPENSSL_free(*ppath);
     271         [ #  # ]:          0 :         if (*pport) OPENSSL_free(*pport);
     272         [ #  # ]:          0 :         if (*phost) OPENSSL_free(*phost);
     273                 :            :         return 0;
     274                 :            : 
     275                 :            :         }
     276                 :            : 
     277                 :          0 : IMPLEMENT_ASN1_DUP_FUNCTION(OCSP_CERTID)

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