LCOV - code coverage report
Current view: top level - source4/heimdal/lib/hx509 - peer.c (source / functions) Hit Total Coverage
Test: coverage report for abartlet/fix-coverage dd10fb34 Lines: 27 53 50.9 %
Date: 2021-09-23 10:06:22 Functions: 4 7 57.1 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2006 - 2007 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
       7             :  *
       8             :  * Redistribution and use in source and binary forms, with or without
       9             :  * modification, are permitted provided that the following conditions
      10             :  * are met:
      11             :  *
      12             :  * 1. Redistributions of source code must retain the above copyright
      13             :  *    notice, this list of conditions and the following disclaimer.
      14             :  *
      15             :  * 2. Redistributions in binary form must reproduce the above copyright
      16             :  *    notice, this list of conditions and the following disclaimer in the
      17             :  *    documentation and/or other materials provided with the distribution.
      18             :  *
      19             :  * 3. Neither the name of the Institute nor the names of its contributors
      20             :  *    may be used to endorse or promote products derived from this software
      21             :  *    without specific prior written permission.
      22             :  *
      23             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      24             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      25             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      26             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      27             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      28             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      29             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      30             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      31             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      32             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      33             :  * SUCH DAMAGE.
      34             :  */
      35             : 
      36             : #include "hx_locl.h"
      37             : 
      38             : /**
      39             :  * @page page_peer Hx509 crypto selecting functions
      40             :  *
      41             :  * Peer info structures are used togeter with hx509_crypto_select() to
      42             :  * select the best avaible crypto algorithm to use.
      43             :  *
      44             :  * See the library functions here: @ref hx509_peer
      45             :  */
      46             : 
      47             : /**
      48             :  * Allocate a new peer info structure an init it to default values.
      49             :  *
      50             :  * @param context A hx509 context.
      51             :  * @param peer return an allocated peer, free with hx509_peer_info_free().
      52             :  *
      53             :  * @return An hx509 error code, see hx509_get_error_string().
      54             :  *
      55             :  * @ingroup hx509_peer
      56             :  */
      57             : 
      58             : int
      59          34 : hx509_peer_info_alloc(hx509_context context, hx509_peer_info *peer)
      60             : {
      61          34 :     *peer = calloc(1, sizeof(**peer));
      62          34 :     if (*peer == NULL) {
      63           0 :         hx509_set_error_string(context, 0, ENOMEM, "out of memory");
      64           0 :         return ENOMEM;
      65             :     }
      66          34 :     return 0;
      67             : }
      68             : 
      69             : 
      70             : static void
      71          68 : free_cms_alg(hx509_peer_info peer)
      72             : {
      73          68 :     if (peer->val) {
      74             :         size_t i;
      75         578 :         for (i = 0; i < peer->len; i++)
      76         544 :             free_AlgorithmIdentifier(&peer->val[i]);
      77          34 :         free(peer->val);
      78          34 :         peer->val = NULL;
      79          34 :         peer->len = 0;
      80             :     }
      81          68 : }
      82             : 
      83             : /**
      84             :  * Free a peer info structure.
      85             :  *
      86             :  * @param peer peer info to be freed.
      87             :  *
      88             :  * @ingroup hx509_peer
      89             :  */
      90             : 
      91             : void
      92          34 : hx509_peer_info_free(hx509_peer_info peer)
      93             : {
      94          34 :     if (peer == NULL)
      95           0 :         return;
      96          34 :     if (peer->cert)
      97           0 :         hx509_cert_free(peer->cert);
      98          34 :     free_cms_alg(peer);
      99          34 :     memset(peer, 0, sizeof(*peer));
     100          34 :     free(peer);
     101             : }
     102             : 
     103             : /**
     104             :  * Set the certificate that remote peer is using.
     105             :  *
     106             :  * @param peer peer info to update
     107             :  * @param cert cerificate of the remote peer.
     108             :  *
     109             :  * @return An hx509 error code, see hx509_get_error_string().
     110             :  *
     111             :  * @ingroup hx509_peer
     112             :  */
     113             : 
     114             : int
     115           0 : hx509_peer_info_set_cert(hx509_peer_info peer,
     116             :                          hx509_cert cert)
     117             : {
     118           0 :     if (peer->cert)
     119           0 :         hx509_cert_free(peer->cert);
     120           0 :     peer->cert = hx509_cert_ref(cert);
     121           0 :     return 0;
     122             : }
     123             : 
     124             : /**
     125             :  * Add an additional algorithm that the peer supports.
     126             :  *
     127             :  * @param context A hx509 context.
     128             :  * @param peer the peer to set the new algorithms for
     129             :  * @param val an AlgorithmsIdentier to add
     130             :  *
     131             :  * @return An hx509 error code, see hx509_get_error_string().
     132             :  *
     133             :  * @ingroup hx509_peer
     134             :  */
     135             : 
     136             : int
     137           0 : hx509_peer_info_add_cms_alg(hx509_context context,
     138             :                             hx509_peer_info peer,
     139             :                             const AlgorithmIdentifier *val)
     140             : {
     141             :     void *ptr;
     142             :     int ret;
     143             : 
     144           0 :     ptr = realloc(peer->val, sizeof(peer->val[0]) * (peer->len + 1));
     145           0 :     if (ptr == NULL) {
     146           0 :         hx509_set_error_string(context, 0, ENOMEM, "out of memory");
     147           0 :         return ENOMEM;
     148             :     }
     149           0 :     peer->val = ptr;
     150           0 :     ret = copy_AlgorithmIdentifier(val, &peer->val[peer->len]);
     151           0 :     if (ret == 0)
     152           0 :         peer->len += 1;
     153             :     else
     154           0 :         hx509_set_error_string(context, 0, ret, "out of memory");
     155           0 :     return ret;
     156             : }
     157             : 
     158             : /**
     159             :  * Set the algorithms that the peer supports.
     160             :  *
     161             :  * @param context A hx509 context.
     162             :  * @param peer the peer to set the new algorithms for
     163             :  * @param val array of supported AlgorithmsIdentiers
     164             :  * @param len length of array val.
     165             :  *
     166             :  * @return An hx509 error code, see hx509_get_error_string().
     167             :  *
     168             :  * @ingroup hx509_peer
     169             :  */
     170             : 
     171             : int
     172          34 : hx509_peer_info_set_cms_algs(hx509_context context,
     173             :                              hx509_peer_info peer,
     174             :                              const AlgorithmIdentifier *val,
     175             :                              size_t len)
     176             : {
     177             :     size_t i;
     178             : 
     179          34 :     free_cms_alg(peer);
     180             : 
     181          34 :     peer->val = calloc(len, sizeof(*peer->val));
     182          34 :     if (peer->val == NULL) {
     183           0 :         peer->len = 0;
     184           0 :         hx509_set_error_string(context, 0, ENOMEM, "out of memory");
     185           0 :         return ENOMEM;
     186             :     }
     187          34 :     peer->len = len;
     188         578 :     for (i = 0; i < len; i++) {
     189             :         int ret;
     190         544 :         ret = copy_AlgorithmIdentifier(&val[i], &peer->val[i]);
     191         544 :         if (ret) {
     192           0 :             hx509_clear_error_string(context);
     193           0 :             free_cms_alg(peer);
     194           0 :             return ret;
     195             :         }
     196             :     }
     197          34 :     return 0;
     198             : }
     199             : 
     200             : #if 0
     201             : 
     202             : /*
     203             :  * S/MIME
     204             :  */
     205             : 
     206             : int
     207             : hx509_peer_info_parse_smime(hx509_peer_info peer,
     208             :                             const heim_octet_string *data)
     209             : {
     210             :     return 0;
     211             : }
     212             : 
     213             : int
     214             : hx509_peer_info_unparse_smime(hx509_peer_info peer,
     215             :                               heim_octet_string *data)
     216             : {
     217             :     return 0;
     218             : }
     219             : 
     220             : /*
     221             :  * For storing hx509_peer_info to be able to cache them.
     222             :  */
     223             : 
     224             : int
     225             : hx509_peer_info_parse(hx509_peer_info peer,
     226             :                       const heim_octet_string *data)
     227             : {
     228             :     return 0;
     229             : }
     230             : 
     231             : int
     232             : hx509_peer_info_unparse(hx509_peer_info peer,
     233             :                         heim_octet_string *data)
     234             : {
     235             :     return 0;
     236             : }
     237             : #endif

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