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.]
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>
75 DECLARE_STACK_OF(BY_DIR_HASH)
76 DECLARE_STACK_OF(BY_DIR_ENTRY)
78 typedef struct lookup_dir_hashes_st
84 typedef struct lookup_dir_entry_st
88 STACK_OF(BY_DIR_HASH) *hashes;
91 typedef struct lookup_dir_st
94 STACK_OF(BY_DIR_ENTRY) *dirs;
98 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
100 static int new_dir(X509_LOOKUP *lu);
101 static void free_dir(X509_LOOKUP *lu);
102 static int add_cert_dir(BY_DIR *ctx,const char *dir,int type);
103 static int get_cert_by_subject(X509_LOOKUP *xl,int type,X509_NAME *name,
105 X509_LOOKUP_METHOD x509_dir_lookup=
107 "Load certs from files in a directory",
113 get_cert_by_subject, /* get_by_subject */
114 NULL, /* get_by_issuer_serial */
115 NULL, /* get_by_fingerprint */
116 NULL, /* get_by_alias */
119 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
121 return(&x509_dir_lookup);
124 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
131 ld=(BY_DIR *)ctx->method_data;
136 if (argl == X509_FILETYPE_DEFAULT)
138 dir=(char *)getenv(X509_get_default_cert_dir_env());
140 ret=add_cert_dir(ld,dir,X509_FILETYPE_PEM);
142 ret=add_cert_dir(ld,X509_get_default_cert_dir(),
146 X509err(X509_F_DIR_CTRL,X509_R_LOADING_CERT_DIR);
150 ret=add_cert_dir(ld,argp,(int)argl);
156 static int new_dir(X509_LOOKUP *lu)
160 if ((a=(BY_DIR *)OPENSSL_malloc(sizeof(BY_DIR))) == NULL)
162 if ((a->buffer=BUF_MEM_new()) == NULL)
168 lu->method_data=(char *)a;
172 static void by_dir_hash_free(BY_DIR_HASH *hash)
177 static int by_dir_hash_cmp(const BY_DIR_HASH * const *a,
178 const BY_DIR_HASH * const *b)
180 if ((*a)->hash > (*b)->hash)
182 if ((*a)->hash < (*b)->hash)
187 static void by_dir_entry_free(BY_DIR_ENTRY *ent)
190 OPENSSL_free(ent->dir);
192 sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
196 static void free_dir(X509_LOOKUP *lu)
200 a=(BY_DIR *)lu->method_data;
202 sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
203 if (a->buffer != NULL)
204 BUF_MEM_free(a->buffer);
208 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
211 const char *s,*ss,*p;
213 if (dir == NULL || !*dir)
215 X509err(X509_F_ADD_CERT_DIR,X509_R_INVALID_DIRECTORY);
223 if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0'))
229 if (len == 0) continue;
230 for (j=0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++)
232 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
233 if (strncmp(ent->dir,ss,(unsigned int)len) == 0)
237 if (ctx->dirs == NULL)
239 ctx->dirs = sk_BY_DIR_ENTRY_new_null();
242 X509err(X509_F_ADD_CERT_DIR,ERR_R_MALLOC_FAILURE);
246 ent = OPENSSL_malloc(sizeof(BY_DIR_ENTRY));
249 ent->dir_type = type;
250 ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
251 ent->dir = OPENSSL_malloc((unsigned int)len+1);
252 if (!ent->dir || !ent->hashes)
254 by_dir_entry_free(ent);
257 strncpy(ent->dir,ss,(unsigned int)len);
258 ent->dir[len] = '\0';
259 if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent))
261 by_dir_entry_free(ent);
272 static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
279 X509_CINF st_x509_cinf;
283 X509_CRL_INFO st_crl_info;
290 X509_OBJECT stmp,*tmp;
291 const char *postfix="";
293 if (name == NULL) return(0);
296 if (type == X509_LU_X509)
298 data.x509.st_x509.cert_info= &data.x509.st_x509_cinf;
299 data.x509.st_x509_cinf.subject=name;
300 stmp.data.x509= &data.x509.st_x509;
303 else if (type == X509_LU_CRL)
305 data.crl.st_crl.crl= &data.crl.st_crl_info;
306 data.crl.st_crl_info.issuer=name;
307 stmp.data.crl= &data.crl.st_crl;
312 X509err(X509_F_GET_CERT_BY_SUBJECT,X509_R_WRONG_LOOKUP_TYPE);
316 if ((b=BUF_MEM_new()) == NULL)
318 X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_BUF_LIB);
322 ctx=(BY_DIR *)xl->method_data;
324 h=X509_NAME_hash(name);
325 for (i=0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++)
329 BY_DIR_HASH htmp, *hent;
330 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
331 j=strlen(ent->dir)+1+8+6+1+1;
332 if (!BUF_MEM_grow(b,j))
334 X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE);
337 if (type == X509_LU_CRL && ent->hashes)
340 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
341 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
344 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
352 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
362 #ifdef OPENSSL_SYS_VMS
363 c = ent->dir[strlen(ent->dir)-1];
364 if (c != ':' && c != '>' && c != ']')
366 /* If no separator is present, we assume the
367 directory specifier is a logical name, and
368 add a colon. We really should use better
369 VMS routines for merging things like this,
370 but this will do for now...
371 -- Richard Levitte */
381 /* This is special. When c == '\0', no
382 directory separator should be added. */
383 BIO_snprintf(b->data,b->max,
384 "%s%08lx.%s%d",ent->dir,h,
389 BIO_snprintf(b->data,b->max,
390 "%s%c%08lx.%s%d",ent->dir,c,h,
393 #ifndef OPENSSL_NO_POSIX_IO
396 if (stat(b->data,&st) < 0)
401 if (type == X509_LU_X509)
403 if ((X509_load_cert_file(xl,b->data,
404 ent->dir_type)) == 0)
407 else if (type == X509_LU_CRL)
409 if ((X509_load_crl_file(xl,b->data,
410 ent->dir_type)) == 0)
413 /* else case will caught higher up */
417 /* we have added it to the cache so now pull
419 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
420 j = sk_X509_OBJECT_find(xl->store_ctx->objs,&stmp);
421 if(j != -1) tmp=sk_X509_OBJECT_value(xl->store_ctx->objs,j);
423 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
426 /* If a CRL, update the last file suffix added for this */
428 if (type == X509_LU_CRL)
430 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
431 /* Look for entry again in case another thread added
437 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
440 sk_BY_DIR_HASH_value(ent->hashes, idx);
444 hent = OPENSSL_malloc(sizeof(BY_DIR_HASH));
447 if (!sk_BY_DIR_HASH_push(ent->hashes, hent))
449 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
455 else if (hent->suffix < k)
458 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
466 memcpy(&ret->data,&tmp->data,sizeof(ret->data));
467 /* If we were going to up the reference count,
468 * we would need to do it on a perl 'type'
470 /* CRYPTO_add(&tmp->data.x509->references,1,
476 if (b != NULL) BUF_MEM_free(b);