1 /* crypto/x509/by_dir.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
63 #include "internal/cryptlib.h"
65 #ifndef NO_SYS_TYPES_H
66 # include <sys/types.h>
68 #ifndef OPENSSL_NO_POSIX_IO
69 # include <sys/stat.h>
73 #include <openssl/lhash.h>
74 #include <openssl/x509.h>
75 #include "internal/x509_int.h"
77 typedef struct lookup_dir_hashes_st {
82 typedef 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 DEFINE_STACK_OF(BY_DIR_HASH)
94 DEFINE_STACK_OF(BY_DIR_ENTRY)
96 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
98 static int new_dir(X509_LOOKUP *lu);
99 static void free_dir(X509_LOOKUP *lu);
100 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type);
101 static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
103 static X509_LOOKUP_METHOD x509_dir_lookup = {
104 "Load certs from files in a directory",
110 get_cert_by_subject, /* get_by_subject */
111 NULL, /* get_by_issuer_serial */
112 NULL, /* get_by_fingerprint */
113 NULL, /* get_by_alias */
116 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
118 return (&x509_dir_lookup);
121 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
128 ld = (BY_DIR *)ctx->method_data;
132 if (argl == X509_FILETYPE_DEFAULT) {
133 dir = (char *)getenv(X509_get_default_cert_dir_env());
135 ret = add_cert_dir(ld, dir, X509_FILETYPE_PEM);
137 ret = add_cert_dir(ld, X509_get_default_cert_dir(),
140 X509err(X509_F_DIR_CTRL, X509_R_LOADING_CERT_DIR);
143 ret = add_cert_dir(ld, argp, (int)argl);
149 static int new_dir(X509_LOOKUP *lu)
153 if ((a = OPENSSL_malloc(sizeof(*a))) == NULL)
155 if ((a->buffer = BUF_MEM_new()) == NULL) {
160 lu->method_data = (char *)a;
164 static void by_dir_hash_free(BY_DIR_HASH *hash)
169 static int by_dir_hash_cmp(const BY_DIR_HASH *const *a,
170 const BY_DIR_HASH *const *b)
172 if ((*a)->hash > (*b)->hash)
174 if ((*a)->hash < (*b)->hash)
179 static void by_dir_entry_free(BY_DIR_ENTRY *ent)
181 OPENSSL_free(ent->dir);
182 sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
186 static void free_dir(X509_LOOKUP *lu)
190 a = (BY_DIR *)lu->method_data;
191 sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
192 BUF_MEM_free(a->buffer);
196 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
199 const char *s, *ss, *p;
201 if (dir == NULL || !*dir) {
202 X509err(X509_F_ADD_CERT_DIR, X509_R_INVALID_DIRECTORY);
209 if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0')) {
216 for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) {
217 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
218 if (strlen(ent->dir) == (size_t)len &&
219 strncmp(ent->dir, ss, (unsigned int)len) == 0)
222 if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
224 if (ctx->dirs == NULL) {
225 ctx->dirs = sk_BY_DIR_ENTRY_new_null();
227 X509err(X509_F_ADD_CERT_DIR, ERR_R_MALLOC_FAILURE);
231 ent = OPENSSL_malloc(sizeof(*ent));
234 ent->dir_type = type;
235 ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
236 ent->dir = OPENSSL_malloc((unsigned int)len + 1);
237 if (ent->dir == NULL || ent->hashes == NULL) {
238 by_dir_entry_free(ent);
241 strncpy(ent->dir, ss, (unsigned int)len);
242 ent->dir[len] = '\0';
243 if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
244 by_dir_entry_free(ent);
248 } while (*p++ != '\0');
252 static int get_cert_by_subject(X509_LOOKUP *xl, X509_LOOKUP_TYPE type,
253 X509_NAME *name, X509_OBJECT *ret)
264 X509_OBJECT stmp, *tmp;
265 const char *postfix = "";
271 if (type == X509_LU_X509) {
272 data.st_x509.cert_info.subject = name;
273 stmp.data.x509 = &data.st_x509;
275 } else if (type == X509_LU_CRL) {
276 data.crl.crl.issuer = name;
277 stmp.data.crl = &data.crl;
280 X509err(X509_F_GET_CERT_BY_SUBJECT, X509_R_WRONG_LOOKUP_TYPE);
284 if ((b = BUF_MEM_new()) == NULL) {
285 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_BUF_LIB);
289 ctx = (BY_DIR *)xl->method_data;
291 h = X509_NAME_hash(name);
292 for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
295 BY_DIR_HASH htmp, *hent;
296 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
297 j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
298 if (!BUF_MEM_grow(b, j)) {
299 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
302 if (type == X509_LU_CRL && ent->hashes) {
304 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
305 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
307 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
313 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
320 #ifdef OPENSSL_SYS_VMS
321 c = ent->dir[strlen(ent->dir) - 1];
322 if (c != ':' && c != '>' && c != ']') {
324 * If no separator is present, we assume the directory
325 * specifier is a logical name, and add a colon. We really
326 * should use better VMS routines for merging things like
327 * this, but this will do for now... -- Richard Levitte
336 * This is special. When c == '\0', no directory separator
339 BIO_snprintf(b->data, b->max,
340 "%s%08lx.%s%d", ent->dir, h, postfix, k);
342 BIO_snprintf(b->data, b->max,
343 "%s%c%08lx.%s%d", ent->dir, c, h, postfix, k);
345 #ifndef OPENSSL_NO_POSIX_IO
351 if (stat(b->data, &st) < 0)
356 if (type == X509_LU_X509) {
357 if ((X509_load_cert_file(xl, b->data, ent->dir_type)) == 0)
359 } else if (type == X509_LU_CRL) {
360 if ((X509_load_crl_file(xl, b->data, ent->dir_type)) == 0)
363 /* else case will caught higher up */
368 * we have added it to the cache so now pull it out again
370 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
371 j = sk_X509_OBJECT_find(xl->store_ctx->objs, &stmp);
373 tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, j);
376 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
378 /* If a CRL, update the last file suffix added for this */
380 if (type == X509_LU_CRL) {
381 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
383 * Look for entry again in case another thread added an entry
388 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
390 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
393 hent = OPENSSL_malloc(sizeof(*hent));
395 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
396 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
402 if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
403 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
408 } else if (hent->suffix < k)
411 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
417 ret->type = tmp->type;
418 memcpy(&ret->data, &tmp->data, sizeof(ret->data));
420 * If we were going to up the reference count, we would need to
421 * do it on a perl 'type' basis
423 /*- CRYPTO_add(&tmp->data.x509->references,1,