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
);
273 static int get_cert_by_subject(X509_LOOKUP
*xl
, int type
, X509_NAME
*name
,
280 X509_CINF st_x509_cinf
;
284 X509_CRL_INFO st_crl_info
;
291 X509_OBJECT stmp
,*tmp
;
292 const char *postfix
="";
294 if (name
== NULL
) return(0);
297 if (type
== X509_LU_X509
)
299 data
.x509
.st_x509
.cert_info
= &data
.x509
.st_x509_cinf
;
300 data
.x509
.st_x509_cinf
.subject
=name
;
301 stmp
.data
.x509
= &data
.x509
.st_x509
;
304 else if (type
== X509_LU_CRL
)
306 data
.crl
.st_crl
.crl
= &data
.crl
.st_crl_info
;
307 data
.crl
.st_crl_info
.issuer
=name
;
308 stmp
.data
.crl
= &data
.crl
.st_crl
;
313 X509err(X509_F_GET_CERT_BY_SUBJECT
,X509_R_WRONG_LOOKUP_TYPE
);
317 if ((b
=BUF_MEM_new()) == NULL
)
319 X509err(X509_F_GET_CERT_BY_SUBJECT
,ERR_R_BUF_LIB
);
323 ctx
=(BY_DIR
*)xl
->method_data
;
325 h
=X509_NAME_hash(name
);
326 for (i
=0; i
< sk_BY_DIR_ENTRY_num(ctx
->dirs
); i
++)
330 BY_DIR_HASH htmp
, *hent
;
331 ent
= sk_BY_DIR_ENTRY_value(ctx
->dirs
, i
);
332 j
=strlen(ent
->dir
)+1+8+6+1+1;
333 if (!BUF_MEM_grow(b
,j
))
335 X509err(X509_F_GET_CERT_BY_SUBJECT
,ERR_R_MALLOC_FAILURE
);
338 if (type
== X509_LU_CRL
&& ent
->hashes
)
341 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE
);
342 idx
= sk_BY_DIR_HASH_find(ent
->hashes
, &htmp
);
345 hent
= sk_BY_DIR_HASH_value(ent
->hashes
, idx
);
353 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE
);
363 #ifdef OPENSSL_SYS_VMS
364 c
= ent
->dir
[strlen(ent
->dir
)-1];
365 if (c
!= ':' && c
!= '>' && c
!= ']')
367 /* If no separator is present, we assume the
368 directory specifier is a logical name, and
369 add a colon. We really should use better
370 VMS routines for merging things like this,
371 but this will do for now...
372 -- Richard Levitte */
382 /* This is special. When c == '\0', no
383 directory separator should be added. */
384 BIO_snprintf(b
->data
,b
->max
,
385 "%s%08lx.%s%d",ent
->dir
,h
,
390 BIO_snprintf(b
->data
,b
->max
,
391 "%s%c%08lx.%s%d",ent
->dir
,c
,h
,
394 #ifndef OPENSSL_NO_POSIX_IO
400 if (stat(b
->data
,&st
) < 0)
405 if (type
== X509_LU_X509
)
407 if ((X509_load_cert_file(xl
,b
->data
,
408 ent
->dir_type
)) == 0)
411 else if (type
== X509_LU_CRL
)
413 if ((X509_load_crl_file(xl
,b
->data
,
414 ent
->dir_type
)) == 0)
417 /* else case will caught higher up */
421 /* we have added it to the cache so now pull
423 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE
);
424 j
= sk_X509_OBJECT_find(xl
->store_ctx
->objs
,&stmp
);
425 if(j
!= -1) tmp
=sk_X509_OBJECT_value(xl
->store_ctx
->objs
,j
);
427 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE
);
430 /* If a CRL, update the last file suffix added for this */
432 if (type
== X509_LU_CRL
)
434 CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE
);
435 /* Look for entry again in case another thread added
441 idx
= sk_BY_DIR_HASH_find(ent
->hashes
, &htmp
);
444 sk_BY_DIR_HASH_value(ent
->hashes
, idx
);
448 hent
= OPENSSL_malloc(sizeof(BY_DIR_HASH
));
451 if (!sk_BY_DIR_HASH_push(ent
->hashes
, hent
))
453 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE
);
459 else if (hent
->suffix
< k
)
462 CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE
);
470 memcpy(&ret
->data
,&tmp
->data
,sizeof(ret
->data
));
471 /* If we were going to up the reference count,
472 * we would need to do it on a perl 'type'
474 /* CRYPTO_add(&tmp->data.x509->references,1,
480 if (b
!= NULL
) BUF_MEM_free(b
);