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>
72 #include <openssl/lhash.h>
73 #include <openssl/x509.h>
74 #include "internal/x509_int.h"
76 typedef struct lookup_dir_hashes_st {
81 typedef struct lookup_dir_entry_st {
84 STACK_OF(BY_DIR_HASH) *hashes;
87 typedef struct lookup_dir_st {
89 STACK_OF(BY_DIR_ENTRY) *dirs;
92 DECLARE_STACK_OF(BY_DIR_HASH)
93 DECLARE_STACK_OF(BY_DIR_ENTRY)
95 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
97 static int new_dir(X509_LOOKUP *lu);
98 static void free_dir(X509_LOOKUP *lu);
99 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type);
100 static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
102 static X509_LOOKUP_METHOD x509_dir_lookup = {
103 "Load certs from files in a directory",
109 get_cert_by_subject, /* get_by_subject */
110 NULL, /* get_by_issuer_serial */
111 NULL, /* get_by_fingerprint */
112 NULL, /* get_by_alias */
115 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
117 return (&x509_dir_lookup);
120 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
127 ld = (BY_DIR *)ctx->method_data;
131 if (argl == X509_FILETYPE_DEFAULT) {
132 dir = (char *)getenv(X509_get_default_cert_dir_env());
134 ret = add_cert_dir(ld, dir, X509_FILETYPE_PEM);
136 ret = add_cert_dir(ld, X509_get_default_cert_dir(),
139 X509err(X509_F_DIR_CTRL, X509_R_LOADING_CERT_DIR);
142 ret = add_cert_dir(ld, argp, (int)argl);
148 static int new_dir(X509_LOOKUP *lu)
152 if ((a = OPENSSL_malloc(sizeof(*a))) == NULL)
154 if ((a->buffer = BUF_MEM_new()) == NULL) {
159 lu->method_data = (char *)a;
163 static void by_dir_hash_free(BY_DIR_HASH *hash)
168 static int by_dir_hash_cmp(const BY_DIR_HASH *const *a,
169 const BY_DIR_HASH *const *b)
171 if ((*a)->hash > (*b)->hash)
173 if ((*a)->hash < (*b)->hash)
178 static void by_dir_entry_free(BY_DIR_ENTRY *ent)
180 OPENSSL_free(ent->dir);
181 sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
185 static void free_dir(X509_LOOKUP *lu)
189 a = (BY_DIR *)lu->method_data;
190 sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
191 BUF_MEM_free(a->buffer);
195 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
198 const char *s, *ss, *p;
200 if (dir == NULL || !*dir) {
201 X509err(X509_F_ADD_CERT_DIR, X509_R_INVALID_DIRECTORY);
208 if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0')) {
215 for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) {
216 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
217 if (strlen(ent->dir) == (size_t)len &&
218 strncmp(ent->dir, ss, (unsigned int)len) == 0)
221 if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
223 if (ctx->dirs == NULL) {
224 ctx->dirs = sk_BY_DIR_ENTRY_new_null();
226 X509err(X509_F_ADD_CERT_DIR, ERR_R_MALLOC_FAILURE);
230 ent = OPENSSL_malloc(sizeof(*ent));
233 ent->dir_type = type;
234 ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
235 ent->dir = OPENSSL_malloc((unsigned int)len + 1);
236 if (!ent->dir || !ent->hashes) {
237 by_dir_entry_free(ent);
240 strncpy(ent->dir, ss, (unsigned int)len);
241 ent->dir[len] = '\0';
242 if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
243 by_dir_entry_free(ent);
247 } while (*p++ != '\0');
251 static int get_cert_by_subject(X509_LOOKUP *xl, X509_LOOKUP_TYPE type,
252 X509_NAME *name, X509_OBJECT *ret)
263 X509_OBJECT stmp, *tmp;
264 const char *postfix = "";
270 if (type == X509_LU_X509) {
271 data.st_x509.cert_info.subject = name;
272 stmp.data.x509 = &data.st_x509;
274 } else if (type == X509_LU_CRL) {
275 data.crl.crl.issuer = name;
276 stmp.data.crl = &data.crl;
279 X509err(X509_F_GET_CERT_BY_SUBJECT, X509_R_WRONG_LOOKUP_TYPE);
283 if ((b = BUF_MEM_new()) == NULL) {
284 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_BUF_LIB);
288 ctx = (BY_DIR *)xl->method_data;
290 h = X509_NAME_hash(name);
291 for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
294 BY_DIR_HASH htmp, *hent;
295 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
296 j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
297 if (!BUF_MEM_grow(b, j)) {
298 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
301 if (type == X509_LU_CRL && ent->hashes) {
303 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
304 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
306 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
312 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
319 #ifdef OPENSSL_SYS_VMS
320 c = ent->dir[strlen(ent->dir) - 1];
321 if (c != ':' && c != '>' && c != ']') {
323 * If no separator is present, we assume the directory
324 * specifier is a logical name, and add a colon. We really
325 * should use better VMS routines for merging things like
326 * this, but this will do for now... -- Richard Levitte
335 * This is special. When c == '\0', no directory separator
338 BIO_snprintf(b->data, b->max,
339 "%s%08lx.%s%d", ent->dir, h, postfix, k);
341 BIO_snprintf(b->data, b->max,
342 "%s%c%08lx.%s%d", ent->dir, c, h, postfix, k);
344 #ifndef OPENSSL_NO_POSIX_IO
350 if (stat(b->data, &st) < 0)
355 if (type == X509_LU_X509) {
356 if ((X509_load_cert_file(xl, b->data, ent->dir_type)) == 0)
358 } else if (type == X509_LU_CRL) {
359 if ((X509_load_crl_file(xl, b->data, ent->dir_type)) == 0)
362 /* else case will caught higher up */
367 * we have added it to the cache so now pull it out again
369 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
370 j = sk_X509_OBJECT_find(xl->store_ctx->objs, &stmp);
372 tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, j);
375 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
377 /* If a CRL, update the last file suffix added for this */
379 if (type == X509_LU_CRL) {
380 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
382 * Look for entry again in case another thread added an entry
387 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
389 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
392 hent = OPENSSL_malloc(sizeof(*hent));
394 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
395 X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
401 if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
402 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
407 } else if (hent->suffix < k)
410 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
416 ret->type = tmp->type;
417 memcpy(&ret->data, &tmp->data, sizeof(ret->data));
419 * If we were going to up the reference count, we would need to
420 * do it on a perl 'type' basis
422 /*- CRYPTO_add(&tmp->data.x509->references,1,