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.] */
60 #include <sys/types.h>
62 #include <openssl/buf.h>
63 #include <openssl/err.h>
64 #include <openssl/mem.h>
65 #include <openssl/thread.h>
66 #include <openssl/x509.h>
68 #include "../internal.h"
70 typedef struct lookup_dir_hashes_st {
75 typedef struct lookup_dir_entry_st {
78 STACK_OF(BY_DIR_HASH) *hashes;
81 typedef struct lookup_dir_st {
83 STACK_OF(BY_DIR_ENTRY) *dirs;
86 DEFINE_STACK_OF(BY_DIR_HASH)
87 DEFINE_STACK_OF(BY_DIR_ENTRY)
89 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
91 static int new_dir(X509_LOOKUP *lu);
92 static void free_dir(X509_LOOKUP *lu);
93 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type);
94 static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
96 static X509_LOOKUP_METHOD x509_dir_lookup = {
97 "Load certs from files in a directory",
103 get_cert_by_subject, /* get_by_subject */
104 NULL, /* get_by_issuer_serial */
105 NULL, /* get_by_fingerprint */
106 NULL, /* get_by_alias */
109 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
111 return (&x509_dir_lookup);
114 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
121 ld = (BY_DIR *)ctx->method_data;
125 if (argl == X509_FILETYPE_DEFAULT) {
126 dir = (char *)getenv(X509_get_default_cert_dir_env());
128 ret = add_cert_dir(ld, dir, X509_FILETYPE_PEM);
130 ret = add_cert_dir(ld, X509_get_default_cert_dir(),
133 OPENSSL_PUT_ERROR(X509, X509_R_LOADING_CERT_DIR);
136 ret = add_cert_dir(ld, argp, (int)argl);
142 static int new_dir(X509_LOOKUP *lu)
146 if ((a = (BY_DIR *)OPENSSL_malloc(sizeof(BY_DIR))) == NULL)
148 if ((a->buffer = BUF_MEM_new()) == NULL) {
153 lu->method_data = (char *)a;
157 static void by_dir_hash_free(BY_DIR_HASH *hash)
162 static int by_dir_hash_cmp(const BY_DIR_HASH **a, const BY_DIR_HASH **b)
164 if ((*a)->hash > (*b)->hash)
166 if ((*a)->hash < (*b)->hash)
171 static void by_dir_entry_free(BY_DIR_ENTRY *ent)
174 OPENSSL_free(ent->dir);
176 sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
180 static void free_dir(X509_LOOKUP *lu)
184 a = (BY_DIR *)lu->method_data;
186 sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
187 if (a->buffer != NULL)
188 BUF_MEM_free(a->buffer);
192 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
195 const char *s, *ss, *p;
197 if (dir == NULL || !*dir) {
198 OPENSSL_PUT_ERROR(X509, X509_R_INVALID_DIRECTORY);
205 if ((*p == ':') || (*p == '\0')) {
212 for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) {
213 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
214 if (strlen(ent->dir) == len &&
215 strncmp(ent->dir, ss, len) == 0)
218 if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
220 if (ctx->dirs == NULL) {
221 ctx->dirs = sk_BY_DIR_ENTRY_new_null();
223 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
227 ent = OPENSSL_malloc(sizeof(BY_DIR_ENTRY));
230 ent->dir_type = type;
231 ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
232 ent->dir = OPENSSL_malloc(len + 1);
233 if (!ent->dir || !ent->hashes) {
234 by_dir_entry_free(ent);
237 BUF_strlcpy(ent->dir, ss, len + 1);
238 if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
239 by_dir_entry_free(ent);
243 } while (*p++ != '\0');
248 * g_ent_hashes_lock protects the |hashes| member of all |BY_DIR_ENTRY|
251 static struct CRYPTO_STATIC_MUTEX g_ent_hashes_lock =
252 CRYPTO_STATIC_MUTEX_INIT;
254 static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
261 X509_CINF st_x509_cinf;
265 X509_CRL_INFO st_crl_info;
272 unsigned long hash_array[2];
275 X509_OBJECT stmp, *tmp;
276 const char *postfix = "";
282 if (type == X509_LU_X509) {
283 data.x509.st_x509.cert_info = &data.x509.st_x509_cinf;
284 data.x509.st_x509_cinf.subject = name;
285 stmp.data.x509 = &data.x509.st_x509;
287 } else if (type == X509_LU_CRL) {
288 data.crl.st_crl.crl = &data.crl.st_crl_info;
289 data.crl.st_crl_info.issuer = name;
290 stmp.data.crl = &data.crl.st_crl;
293 OPENSSL_PUT_ERROR(X509, X509_R_WRONG_LOOKUP_TYPE);
297 if ((b = BUF_MEM_new()) == NULL) {
298 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
302 ctx = (BY_DIR *)xl->method_data;
304 hash_array[0] = X509_NAME_hash(name);
305 hash_array[1] = X509_NAME_hash_old(name);
306 for (hash_index = 0; hash_index < 2; ++hash_index) {
307 h = hash_array[hash_index];
308 for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
311 BY_DIR_HASH htmp, *hent;
312 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
313 j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
314 if (!BUF_MEM_grow(b, j)) {
315 OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
318 if (type == X509_LU_CRL && ent->hashes) {
320 CRYPTO_STATIC_MUTEX_lock_read(&g_ent_hashes_lock);
321 if (sk_BY_DIR_HASH_find(ent->hashes, &idx, &htmp)) {
322 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
328 CRYPTO_STATIC_MUTEX_unlock_read(&g_ent_hashes_lock);
335 #ifdef OPENSSL_SYS_VMS
336 c = ent->dir[strlen(ent->dir) - 1];
337 if (c != ':' && c != '>' && c != ']') {
339 * If no separator is present, we assume the directory
340 * specifier is a logical name, and add a colon. We
341 * really should use better VMS routines for merging
342 * things like this, but this will do for now... --
352 * This is special. When c == '\0', no directory
353 * separator should be added.
355 BIO_snprintf(b->data, b->max,
356 "%s%08lx.%s%d", ent->dir, h, postfix, k);
358 BIO_snprintf(b->data, b->max,
359 "%s%c%08lx.%s%d", ent->dir, c, h,
362 #ifndef OPENSSL_NO_POSIX_IO
363 # if defined(_WIN32) && !defined(stat)
368 if (stat(b->data, &st) < 0)
373 if (type == X509_LU_X509) {
374 if ((X509_load_cert_file(xl, b->data,
375 ent->dir_type)) == 0)
377 } else if (type == X509_LU_CRL) {
378 if ((X509_load_crl_file(xl, b->data, ent->dir_type)) == 0)
381 /* else case will caught higher up */
386 * we have added it to the cache so now pull it out again
388 CRYPTO_MUTEX_lock_write(&xl->store_ctx->objs_lock);
390 if (sk_X509_OBJECT_find(xl->store_ctx->objs, &idx, &stmp)) {
391 tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, idx);
393 CRYPTO_MUTEX_unlock_write(&xl->store_ctx->objs_lock);
396 * If a CRL, update the last file suffix added for this
399 if (type == X509_LU_CRL) {
400 CRYPTO_STATIC_MUTEX_lock_write(&g_ent_hashes_lock);
402 * Look for entry again in case another thread added an entry
407 if (sk_BY_DIR_HASH_find(ent->hashes, &idx, &htmp))
408 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
411 hent = OPENSSL_malloc(sizeof(BY_DIR_HASH));
413 CRYPTO_STATIC_MUTEX_unlock_write(&g_ent_hashes_lock);
419 if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
420 CRYPTO_STATIC_MUTEX_unlock_write(&g_ent_hashes_lock);
425 } else if (hent->suffix < k)
428 CRYPTO_STATIC_MUTEX_unlock_write(&g_ent_hashes_lock);
433 ret->type = tmp->type;
434 OPENSSL_memcpy(&ret->data, &tmp->data, sizeof(ret->data));
436 * If we were going to up the reference count, we would need
437 * to do it on a perl 'type' basis
440 * CRYPTO_add(&tmp->data.x509->references,1,