diff options
Diffstat (limited to 'lib/hx509/keyset.c')
| -rw-r--r-- | lib/hx509/keyset.c | 252 |
1 files changed, 188 insertions, 64 deletions
diff --git a/lib/hx509/keyset.c b/lib/hx509/keyset.c index 2fcff7b03b35..c0275d949d06 100644 --- a/lib/hx509/keyset.c +++ b/lib/hx509/keyset.c @@ -1,38 +1,39 @@ /* - * Copyright (c) 2004 - 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. + * Copyright (c) 2004 - 2007 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Portions Copyright (c) 2009 Apple Inc. 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: keyset.c 22466 2008-01-16 14:26:35Z lha $"); /** * @page page_keyset Certificate store operations @@ -40,7 +41,7 @@ RCSID("$Id: keyset.c 22466 2008-01-16 14:26:35Z lha $"); * Type of certificates store: * - MEMORY * In memory based format. Doesnt support storing. - * - FILE + * - FILE * FILE supports raw DER certicates and PEM certicates. When PEM is * used the file can contain may certificates and match private * keys. Support storing the certificates. DER format only supports @@ -59,7 +60,7 @@ RCSID("$Id: keyset.c 22466 2008-01-16 14:26:35Z lha $"); */ struct hx509_certs_data { - int ref; + unsigned int ref; struct hx509_keyset_ops *ops; void *ops_data; }; @@ -84,7 +85,7 @@ _hx509_ks_register(hx509_context context, struct hx509_keyset_ops *ops) if (_hx509_ks_type(context, ops->name)) return; - val = realloc(context->ks_ops, + val = realloc(context->ks_ops, (context->ks_num_ops + 1) * sizeof(context->ks_ops[0])); if (val == NULL) return; @@ -138,10 +139,10 @@ hx509_certs_init(hx509_context context, hx509_clear_error_string(context); return ENOMEM; } - + ops = _hx509_ks_type(context, type); if (ops == NULL) { - hx509_set_error_string(context, 0, ENOENT, + hx509_set_error_string(context, 0, ENOENT, "Keyset type %s is not supported", type); free(type); return ENOENT; @@ -199,15 +200,15 @@ hx509_certs_store(hx509_context context, hx509_certs -_hx509_certs_ref(hx509_certs certs) +hx509_certs_ref(hx509_certs certs) { if (certs == NULL) return NULL; - if (certs->ref <= 0) - _hx509_abort("certs refcount <= 0"); - certs->ref++; if (certs->ref == 0) - _hx509_abort("certs refcount == 0"); + _hx509_abort("certs refcount == 0 on ref"); + if (certs->ref == UINT_MAX) + _hx509_abort("certs refcount == UINT_MAX on ref"); + certs->ref++; return certs; } @@ -223,8 +224,8 @@ void hx509_certs_free(hx509_certs *certs) { if (*certs) { - if ((*certs)->ref <= 0) - _hx509_abort("refcount <= 0"); + if ((*certs)->ref == 0) + _hx509_abort("cert refcount == 0 on free"); if (--(*certs)->ref > 0) return; @@ -257,8 +258,8 @@ hx509_certs_start_seq(hx509_context context, int ret; if (certs->ops->iter_start == NULL) { - hx509_set_error_string(context, 0, HX509_UNSUPPORTED_OPERATION, - "Keyset type %s doesn't support iteration", + hx509_set_error_string(context, 0, HX509_UNSUPPORTED_OPERATION, + "Keyset type %s doesn't support iteration", certs->ops->name); return HX509_UNSUPPORTED_OPERATION; } @@ -324,7 +325,7 @@ hx509_certs_end_seq(hx509_context context, * @param certs certificate store to iterate over. * @param func function to call for each certificate. The function * should return non-zero to abort the iteration, that value is passed - * back to te caller of hx509_certs_iter(). + * back to the caller of hx509_certs_iter_f(). * @param ctx context variable that will passed to the function. * * @return Returns an hx509 error code. @@ -333,10 +334,10 @@ hx509_certs_end_seq(hx509_context context, */ int -hx509_certs_iter(hx509_context context, - hx509_certs certs, - int (*func)(hx509_context, void *, hx509_cert), - void *ctx) +hx509_certs_iter_f(hx509_context context, + hx509_certs certs, + int (*func)(hx509_context, void *, hx509_cert), + void *ctx) { hx509_cursor cursor; hx509_cert c; @@ -345,7 +346,7 @@ hx509_certs_iter(hx509_context context, ret = hx509_certs_start_seq(context, certs, &cursor); if (ret) return ret; - + while (1) { ret = hx509_certs_next_cert(context, certs, cursor, &c); if (ret) @@ -365,13 +366,61 @@ hx509_certs_iter(hx509_context context, return ret; } +/** + * Iterate over all certificates in a keystore and call an function + * for each fo them. + * + * @param context a hx509 context. + * @param certs certificate store to iterate over. + * @param func function to call for each certificate. The function + * should return non-zero to abort the iteration, that value is passed + * back to the caller of hx509_certs_iter(). + * + * @return Returns an hx509 error code. + * + * @ingroup hx509_keyset + */ + +#ifdef __BLOCKS__ + +static int +certs_iter(hx509_context context, void *ctx, hx509_cert cert) +{ + int (^func)(hx509_cert) = ctx; + return func(cert); +} + +/** + * Iterate over all certificates in a keystore and call an block + * for each fo them. + * + * @param context a hx509 context. + * @param certs certificate store to iterate over. + * @param func block to call for each certificate. The function + * should return non-zero to abort the iteration, that value is passed + * back to the caller of hx509_certs_iter(). + * + * @return Returns an hx509 error code. + * + * @ingroup hx509_keyset + */ + +int +hx509_certs_iter(hx509_context context, + hx509_certs certs, + int (^func)(hx509_cert)) +{ + return hx509_certs_iter_f(context, certs, certs_iter, func); +} +#endif + /** - * Function to use to hx509_certs_iter() as a function argument, the - * ctx variable to hx509_certs_iter() should be a FILE file descriptor. + * Function to use to hx509_certs_iter_f() as a function argument, the + * ctx variable to hx509_certs_iter_f() should be a FILE file descriptor. * * @param context a hx509 context. - * @param ctx used by hx509_certs_iter(). + * @param ctx used by hx509_certs_iter_f(). * @param c a certificate * * @return Returns an hx509 error code. @@ -420,8 +469,8 @@ int hx509_certs_add(hx509_context context, hx509_certs certs, hx509_cert cert) { if (certs->ops->add == NULL) { - hx509_set_error_string(context, 0, ENOENT, - "Keyset type %s doesn't support add operation", + hx509_set_error_string(context, 0, ENOENT, + "Keyset type %s doesn't support add operation", certs->ops->name); return ENOENT; } @@ -445,7 +494,7 @@ hx509_certs_add(hx509_context context, hx509_certs certs, hx509_cert cert) int hx509_certs_find(hx509_context context, - hx509_certs certs, + hx509_certs certs, const hx509_query *q, hx509_cert *r) { @@ -481,6 +530,10 @@ hx509_certs_find(hx509_context context, hx509_certs_end_seq(context, certs, cursor); if (ret) return ret; + /** + * Return HX509_CERT_NOT_FOUND if no certificate in certs matched + * the query. + */ if (c == NULL) { hx509_clear_error_string(context); return HX509_CERT_NOT_FOUND; @@ -489,6 +542,77 @@ hx509_certs_find(hx509_context context, return 0; } +/** + * Filter certificate matching the query. + * + * @param context a hx509 context. + * @param certs certificate store to search. + * @param q query allocated with @ref hx509_query functions. + * @param result the filtered certificate store, caller must free with + * hx509_certs_free(). + * + * @return Returns an hx509 error code. + * + * @ingroup hx509_keyset + */ + +int +hx509_certs_filter(hx509_context context, + hx509_certs certs, + const hx509_query *q, + hx509_certs *result) +{ + hx509_cursor cursor; + hx509_cert c; + int ret, found = 0; + + _hx509_query_statistic(context, 0, q); + + ret = hx509_certs_init(context, "MEMORY:filter-certs", 0, + NULL, result); + if (ret) + return ret; + + ret = hx509_certs_start_seq(context, certs, &cursor); + if (ret) { + hx509_certs_free(result); + return ret; + } + + c = NULL; + while (1) { + ret = hx509_certs_next_cert(context, certs, cursor, &c); + if (ret) + break; + if (c == NULL) + break; + if (_hx509_query_match_cert(context, q, c)) { + hx509_certs_add(context, *result, c); + found = 1; + } + hx509_cert_free(c); + } + + hx509_certs_end_seq(context, certs, cursor); + if (ret) { + hx509_certs_free(result); + return ret; + } + + /** + * Return HX509_CERT_NOT_FOUND if no certificate in certs matched + * the query. + */ + if (!found) { + hx509_certs_free(result); + hx509_clear_error_string(context); + return HX509_CERT_NOT_FOUND; + } + + return 0; +} + + static int certs_merge_func(hx509_context context, void *ctx, hx509_cert c) { @@ -513,7 +637,7 @@ hx509_certs_merge(hx509_context context, hx509_certs to, hx509_certs from) { if (from == NULL) return 0; - return hx509_certs_iter(context, from, certs_merge_func, to); + return hx509_certs_iter_f(context, from, certs_merge_func, to); } /** @@ -604,7 +728,7 @@ certs_info_stdio(void *ctx, const char *str) */ int -hx509_certs_info(hx509_context context, +hx509_certs_info(hx509_context context, hx509_certs certs, int (*func)(void *, const char *), void *ctx) @@ -639,8 +763,8 @@ _hx509_pi_printf(int (*func)(void *, const char *), void *ctx, } int -_hx509_certs_keys_get(hx509_context context, - hx509_certs certs, +_hx509_certs_keys_get(hx509_context context, + hx509_certs certs, hx509_private_key **keys) { if (certs->ops->getkeys == NULL) { @@ -651,8 +775,8 @@ _hx509_certs_keys_get(hx509_context context, } int -_hx509_certs_keys_add(hx509_context context, - hx509_certs certs, +_hx509_certs_keys_add(hx509_context context, + hx509_certs certs, hx509_private_key key) { if (certs->ops->addkey == NULL) { @@ -672,6 +796,6 @@ _hx509_certs_keys_free(hx509_context context, { int i; for (i = 0; keys[i]; i++) - _hx509_private_key_free(&keys[i]); + hx509_private_key_free(&keys[i]); free(keys); } |