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>
76 typedef struct lookup_dir_hashes_st
82 typedef struct lookup_dir_entry_st
86 STACK_OF(BY_DIR_HASH) *hashes;
89 typedef struct lookup_dir_st
92 STACK_OF(BY_DIR_ENTRY) *dirs;
95 DECLARE_STACK_OF(BY_DIR_HASH)
96 DECLARE_STACK_OF(BY_DIR_ENTRY)
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 (strlen(ent->dir) == (size_t)len &&
234 strncmp(ent->dir,ss,(unsigned int)len) == 0)
237 if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
239 if (ctx->dirs == NULL)
241 ctx->dirs = sk_BY_DIR_ENTRY_new_null();
244 X509err(X509_F_ADD_CERT_DIR,ERR_R_MALLOC_FAILURE);
248 ent = OPENSSL_malloc(sizeof(BY_DIR_ENTRY));
251 ent->dir_type = type;
252 ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
253 ent->dir = OPENSSL_malloc((unsigned int)len+1);
254 if (!ent->dir || !ent->hashes)
256 by_dir_entry_free(ent);
259 strncpy(ent->dir,ss,(unsigned int)len);
260 ent->dir[len] = '\0';
261 if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent))
263 by_dir_entry_free(ent);
267 } while (*p++ != '\0');
271 static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
278 X509_CINF st_x509_cinf;
282 X509_CRL_INFO st_crl_info;
289 X509_OBJECT stmp,*tmp;
290 const char *postfix="";
292 if (name == NULL) return(0);
295 if (type == X509_LU_X509)
297 data.x509.st_x509.cert_info= &data.x509.st_x509_cinf;
298 data.x509.st_x509_cinf.subject=name;
299 stmp.data.x509= &data.x509.st_x509;
302 else if (type == X509_LU_CRL)
304 data.crl.st_crl.crl= &data.crl.st_crl_info;
305 data.crl.st_crl_info.issuer=name;
306 stmp.data.crl= &data.crl.st_crl;
311 X509err(X509_F_GET_CERT_BY_SUBJECT,X509_R_WRONG_LOOKUP_TYPE);
315 if ((b=BUF_MEM_new()) == NULL)
317 X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_BUF_LIB);
321 ctx=(BY_DIR *)xl->method_data;
323 h=X509_NAME_hash(name);
324 for (i=0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++)
328 BY_DIR_HASH htmp, *hent;
329 ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
330 j=strlen(ent->dir)+1+8+6+1+1;
331 if (!BUF_MEM_grow(b,j))
333 X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE);
336 if (type == X509_LU_CRL && ent->hashes)
339 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
340 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
343 hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
351 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
361 #ifdef OPENSSL_SYS_VMS
362 c = ent->dir[strlen(ent->dir)-1];
363 if (c != ':' && c != '>' && c != ']')
365 /* If no separator is present, we assume the
366 directory specifier is a logical name, and
367 add a colon. We really should use better
368 VMS routines for merging things like this,
369 but this will do for now...
370 -- Richard Levitte */
380 /* This is special. When c == '\0', no
381 directory separator should be added. */
382 BIO_snprintf(b->data,b->max,
383 "%s%08lx.%s%d",ent->dir,h,
388 BIO_snprintf(b->data,b->max,
389 "%s%c%08lx.%s%d",ent->dir,c,h,
392 #ifndef OPENSSL_NO_POSIX_IO
398 if (stat(b->data,&st) < 0)
403 if (type == X509_LU_X509)
405 if ((X509_load_cert_file(xl,b->data,
406 ent->dir_type)) == 0)
409 else if (type == X509_LU_CRL)
411 if ((X509_load_crl_file(xl,b->data,
412 ent->dir_type)) == 0)
415 /* else case will caught higher up */
419 /* we have added it to the cache so now pull
421 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
422 j = sk_X509_OBJECT_find(xl->store_ctx->objs,&stmp);
423 if(j != -1) tmp=sk_X509_OBJECT_value(xl->store_ctx->objs,j);
425 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
428 /* If a CRL, update the last file suffix added for this */
430 if (type == X509_LU_CRL)
432 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
433 /* Look for entry again in case another thread added
439 idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
442 sk_BY_DIR_HASH_value(ent->hashes, idx);
446 hent = OPENSSL_malloc(sizeof(BY_DIR_HASH));
449 if (!sk_BY_DIR_HASH_push(ent->hashes, hent))
451 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
457 else if (hent->suffix < k)
460 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
468 memcpy(&ret->data,&tmp->data,sizeof(ret->data));
469 /* If we were going to up the reference count,
470 * we would need to do it on a perl 'type'
472 /* CRYPTO_add(&tmp->data.x509->references,1,
478 if (b != NULL) BUF_MEM_free(b);