1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
62 #include "internal/cryptlib.h"
64 #ifndef NO_SYS_TYPES_H
65 # include <sys/types.h>
67 #ifndef OPENSSL_NO_POSIX_IO
68 # include <sys/stat.h>
72 #include <openssl/lhash.h>
73 #include <openssl/x509.h>
74 #include "internal/x509_int.h"
77 struct lookup_dir_hashes_st {
82 struct lookup_dir_entry_st {
85 STACK_OF(BY_DIR_HASH) *hashes;
88 typedef struct lookup_dir_st {
90 STACK_OF(BY_DIR_ENTRY) *dirs;
93 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
95 static int new_dir(X509_LOOKUP *lu);
96 static void free_dir(X509_LOOKUP *lu);
97 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type);
98 static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
100 static X509_LOOKUP_METHOD x509_dir_lookup = {
101 "Load certs from files in a directory",
107 get_cert_by_subject, /* get_by_subject */
108 NULL, /* get_by_issuer_serial */
109 NULL, /* get_by_fingerprint */
110 NULL, /* get_by_alias */
113 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
115 return (&x509_dir_lookup);
118 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
125 ld = (BY_DIR *)ctx->method_data;
129 if (argl == X509_FILETYPE_DEFAULT) {
130 dir = (char *)getenv(X509_get_default_cert_dir_env());
132 ret = add_cert_dir(ld, dir, X509_FILETYPE_PEM);
134 ret = add_cert_dir(ld, X509_get_default_cert_dir(),
137 X509err(X509_F_DIR_CTRL, X509_R_LOADING_CERT_DIR);
140 ret = add_cert_dir(ld, argp, (int)argl);
146 static int new_dir(X509_LOOKUP *lu)
150 if ((a = OPENSSL_malloc(sizeof(*a))) == NULL)
152 if ((a->buffer = BUF_MEM_new()) == NULL) {
157 lu->method_data = (char *)a;
161 static void by_dir_hash_free(BY_DIR_HASH *hash)
166 static int by_dir_hash_cmp(const BY_DIR_HASH *const *a,
167 const BY_DIR_HASH *const *b)
169 if ((*a)->hash > (*b)->hash)
171 if ((*a)->hash < (*b)->hash)
176 static void by_dir_entry_free(BY_DIR_ENTRY *ent)
178 OPENSSL_free(ent->dir);
179 sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
183 static void free_dir(X509_LOOKUP *lu)
187 a = (BY_DIR *)lu->method_data;
188 sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
189 BUF_MEM_free(a->buffer);
193 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
197 if (dir == NULL || !*dir) {
198 X509err(X509_F_ADD_CERT_DIR, X509_R_INVALID_DIRECTORY);
205 if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0')) {
214 for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) {
215 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
216 if (strlen(ent->dir) == len &&
217 strncmp(ent->dir, ss, len) == 0)
220 if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
222 if (ctx->dirs == NULL) {
223 ctx->dirs = sk_BY_DIR_ENTRY_new_null();
225 X509err(X509_F_ADD_CERT_DIR, ERR_R_MALLOC_FAILURE);
229 ent = OPENSSL_malloc(sizeof(*ent));
232 ent->dir_type = type;
233 ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
234 ent->dir = OPENSSL_strndup(ss, len);
235 if (ent->dir == NULL || ent->hashes == NULL) {
236 by_dir_entry_free(ent);
239 if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
240 by_dir_entry_free(ent);
244 } while (*p++ != '\0');
248 static int get_cert_by_subject(X509_LOOKUP *xl, X509_LOOKUP_TYPE type,
249 X509_NAME *name, X509_OBJECT *ret)
260 X509_OBJECT stmp, *tmp;
261 const char *postfix = "";
267 if (type == X509_LU_X509) {
268 data.st_x509.cert_info.subject = name;
269 stmp.data.x509 = &data.st_x509;
271 } else if (type == X509_LU_CRL) {
272 data.crl.crl.issuer = name;
273 stmp.data.crl = &data.crl;
276 X509err(X509_F_GET_CERT_BY_SUBJECT, X509_R_WRONG_LOOKUP_TYPE);
280 if ((b = BUF_MEM_new()) == NULL) {
281 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_BUF_LIB);
285 ctx = (BY_DIR *)xl->method_data;
287 h = X509_NAME_hash(name);
288 for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
291 BY_DIR_HASH htmp, *hent;
292 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
293 j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
294 if (!BUF_MEM_grow(b, j)) {
295 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
298 if (type == X509_LU_CRL && ent->hashes) {
300 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
301 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
303 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
309 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
316 #ifdef OPENSSL_SYS_VMS
317 c = ent->dir[strlen(ent->dir) - 1];
318 if (c != ':' && c != '>' && c != ']') {
320 * If no separator is present, we assume the directory
321 * specifier is a logical name, and add a colon. We really
322 * should use better VMS routines for merging things like
323 * this, but this will do for now... -- Richard Levitte
332 * This is special. When c == '\0', no directory separator
335 BIO_snprintf(b->data, b->max,
336 "%s%08lx.%s%d", ent->dir, h, postfix, k);
338 BIO_snprintf(b->data, b->max,
339 "%s%c%08lx.%s%d", ent->dir, c, h, postfix, k);
341 #ifndef OPENSSL_NO_POSIX_IO
347 if (stat(b->data, &st) < 0)
352 if (type == X509_LU_X509) {
353 if ((X509_load_cert_file(xl, b->data, ent->dir_type)) == 0)
355 } else if (type == X509_LU_CRL) {
356 if ((X509_load_crl_file(xl, b->data, ent->dir_type)) == 0)
359 /* else case will caught higher up */
364 * we have added it to the cache so now pull it out again
366 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
367 j = sk_X509_OBJECT_find(xl->store_ctx->objs, &stmp);
369 tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, j);
372 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
374 /* If a CRL, update the last file suffix added for this */
376 if (type == X509_LU_CRL) {
377 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
379 * Look for entry again in case another thread added an entry
384 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
386 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
389 hent = OPENSSL_malloc(sizeof(*hent));
391 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
392 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
398 if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
399 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
404 } else if (hent->suffix < k)
407 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
413 ret->type = tmp->type;
414 memcpy(&ret->data, &tmp->data, sizeof(ret->data));
416 * If we were going to up the reference count, we would need to
417 * do it on a perl 'type' basis
419 /*- CRYPTO_add(&tmp->data.x509->references,1,