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Diffstat (limited to 'source4/heimdal/lib/hx509/peer.c')
| -rw-r--r-- | source4/heimdal/lib/hx509/peer.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/source4/heimdal/lib/hx509/peer.c b/source4/heimdal/lib/hx509/peer.c new file mode 100644 index 0000000000..9845ce051f --- /dev/null +++ b/source4/heimdal/lib/hx509/peer.c @@ -0,0 +1,202 @@ +/* + * Copyright (c) 2006 - 2007 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "hx_locl.h" +RCSID("$Id$"); + +/** + * @page page_peer Hx509 crypto selecting functions + * + * Peer info structures are used togeter with hx509_crypto_select() to + * select the best avaible crypto algorithm to use. + * + * See the library functions here: @ref hx509_peer + */ + +/** + * Allocate a new peer info structure an init it to default values. + * + * @param context A hx509 context. + * @param peer return an allocated peer, free with hx509_peer_info_free(). + * + * @return An hx509 error code, see hx509_get_error_string(). + * + * @ingroup hx509_peer + */ + +int +hx509_peer_info_alloc(hx509_context context, hx509_peer_info *peer) +{ + *peer = calloc(1, sizeof(**peer)); + if (*peer == NULL) { + hx509_set_error_string(context, 0, ENOMEM, "out of memory"); + return ENOMEM; + } + return 0; +} + + +static void +free_cms_alg(hx509_peer_info peer) +{ + if (peer->val) { + size_t i; + for (i = 0; i < peer->len; i++) + free_AlgorithmIdentifier(&peer->val[i]); + free(peer->val); + peer->val = NULL; + peer->len = 0; + } +} + +/** + * Free a peer info structure. + * + * @param peer peer info to be freed. + * + * @ingroup hx509_peer + */ + +void +hx509_peer_info_free(hx509_peer_info peer) +{ + if (peer == NULL) + return; + if (peer->cert) + hx509_cert_free(peer->cert); + free_cms_alg(peer); + memset(peer, 0, sizeof(*peer)); + free(peer); +} + +/** + * Set the certificate that remote peer is using. + * + * @param peer peer info to update + * @param cert cerificate of the remote peer. + * + * @return An hx509 error code, see hx509_get_error_string(). + * + * @ingroup hx509_peer + */ + +int +hx509_peer_info_set_cert(hx509_peer_info peer, + hx509_cert cert) +{ + if (peer->cert) + hx509_cert_free(peer->cert); + peer->cert = hx509_cert_ref(cert); + return 0; +} + +/** + * Set the algorithms that the peer supports. + * + * @param context A hx509 context. + * @param peer the peer to set the new algorithms for + * @param val array of supported AlgorithmsIdentiers + * @param len length of array val. + * + * @return An hx509 error code, see hx509_get_error_string(). + * + * @ingroup hx509_peer + */ + +int +hx509_peer_info_set_cms_algs(hx509_context context, + hx509_peer_info peer, + const AlgorithmIdentifier *val, + size_t len) +{ + size_t i; + + free_cms_alg(peer); + + peer->val = calloc(len, sizeof(*peer->val)); + if (peer->val == NULL) { + peer->len = 0; + hx509_set_error_string(context, 0, ENOMEM, "out of memory"); + return ENOMEM; + } + peer->len = len; + for (i = 0; i < len; i++) { + int ret; + ret = copy_AlgorithmIdentifier(&val[i], &peer->val[i]); + if (ret) { + hx509_clear_error_string(context); + free_cms_alg(peer); + return ret; + } + } + return 0; +} + +#if 0 + +/* + * S/MIME + */ + +int +hx509_peer_info_parse_smime(hx509_peer_info peer, + const heim_octet_string *data) +{ + return 0; +} + +int +hx509_peer_info_unparse_smime(hx509_peer_info peer, + heim_octet_string *data) +{ + return 0; +} + +/* + * For storing hx509_peer_info to be able to cache them. + */ + +int +hx509_peer_info_parse(hx509_peer_info peer, + const heim_octet_string *data) +{ + return 0; +} + +int +hx509_peer_info_unparse(hx509_peer_info peer, + heim_octet_string *data) +{ + return 0; +} +#endif |