1 /* crypto/x509/by_dir.c */
2 /* Copyright (C) 1995-1997 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.]
62 #include <sys/types.h>
70 typedef struct lookup_dir_st
80 static int dir_ctrl(X509_LOOKUP
*ctx
,int cmd
,char *argp
,long argl
,char **ret
);
81 static int new_dir(X509_LOOKUP
*lu
);
82 static void free_dir(X509_LOOKUP
*lu
);
83 static int add_cert_dir(BY_DIR
*ctx
,char *dir
,int type
);
84 static int get_cert_by_subject(X509_LOOKUP
*xl
,int type
,X509_NAME
*name
,
87 static int dir_ctrl();
89 static void free_dir();
90 static int add_cert_dir();
91 static int get_cert_by_subject();
94 X509_LOOKUP_METHOD x509_dir_lookup
=
96 "Load certs from files in a directory",
102 get_cert_by_subject
, /* get_by_subject */
103 NULL
, /* get_by_issuer_serial */
104 NULL
, /* get_by_fingerprint */
105 NULL
, /* get_by_alias */
108 X509_LOOKUP_METHOD
*X509_LOOKUP_hash_dir()
110 return(&x509_dir_lookup
);
113 static int dir_ctrl(ctx
,cmd
,argp
,argl
,retp
)
124 ld
=(BY_DIR
*)ctx
->method_data
;
129 if (argl
== X509_FILETYPE_DEFAULT
)
131 ret
=add_cert_dir(ld
,X509_get_default_cert_dir(),
135 X509err(X509_F_DIR_CTRL
,X509_R_LOADING_CERT_DIR
);
139 dir
=(char *)Getenv(X509_get_default_cert_dir_env());
140 ret
=add_cert_dir(ld
,dir
,X509_FILETYPE_PEM
);
144 ret
=add_cert_dir(ld
,argp
,(int)argl
);
150 static int new_dir(lu
)
155 if ((a
=(BY_DIR
*)Malloc(sizeof(BY_DIR
))) == NULL
)
157 if ((a
->buffer
=BUF_MEM_new()) == NULL
)
165 a
->num_dirs_alloced
=0;
166 lu
->method_data
=(char *)a
;
170 static void free_dir(lu
)
176 a
=(BY_DIR
*)lu
->method_data
;
177 for (i
=0; i
<a
->num_dirs
; i
++)
178 if (a
->dirs
[i
] != NULL
) Free(a
->dirs
[i
]);
179 if (a
->dirs
!= NULL
) Free(a
->dirs
);
180 if (a
->dirs_type
!= NULL
) Free(a
->dirs_type
);
181 if (a
->buffer
!= NULL
) BUF_MEM_free(a
->buffer
);
185 static int add_cert_dir(ctx
,dir
, type
)
195 if (dir
== NULL
) return(0);
201 if ((*p
== LIST_SEPARATOR_CHAR
) || (*p
== '\0'))
206 if (len
== 0) continue;
207 for (j
=0; j
<ctx
->num_dirs
; j
++)
208 if (strncmp(ctx
->dirs
[j
],ss
,(unsigned int)len
) == 0)
210 if (ctx
->num_dirs_alloced
< (ctx
->num_dirs
+1))
212 ctx
->num_dirs_alloced
+=10;
213 pp
=(char **)Malloc(ctx
->num_dirs_alloced
*
215 ip
=(int *)Malloc(ctx
->num_dirs_alloced
*
217 if ((pp
== NULL
) || (ip
== NULL
))
219 X509err(X509_F_ADD_CERT_DIR
,ERR_R_MALLOC_FAILURE
);
222 memcpy(pp
,ctx
->dirs
,(ctx
->num_dirs_alloced
-10)*
224 memcpy(ip
,ctx
->dirs_type
,(ctx
->num_dirs_alloced
-10)*
226 if (ctx
->dirs
!= NULL
)
227 Free((char *)ctx
->dirs
);
228 if (ctx
->dirs_type
!= NULL
)
229 Free((char *)ctx
->dirs_type
);
233 ctx
->dirs_type
[ctx
->num_dirs
]=type
;
234 ctx
->dirs
[ctx
->num_dirs
]=(char *)Malloc((unsigned int)len
+1);
235 if (ctx
->dirs
[ctx
->num_dirs
] == NULL
) return(0);
236 strncpy(ctx
->dirs
[ctx
->num_dirs
],ss
,(unsigned int)len
);
237 ctx
->dirs
[ctx
->num_dirs
][len
]='\0';
240 if (*p
== '\0') break;
246 static int get_cert_by_subject(xl
,type
,name
,ret
)
254 X509_CINF st_x509_cinf
;
260 X509_OBJECT stmp
,*tmp
;
262 if (name
== NULL
) return(0);
264 st_x509
.cert_info
= &st_x509_cinf
;
265 st_x509_cinf
.subject
=name
;
266 stmp
.data
.x509
= &st_x509
;
269 if ((b
=BUF_MEM_new()) == NULL
)
271 X509err(X509_F_GET_CERT_BY_SUBJECT
,ERR_R_BUF_LIB
);
275 ctx
=(BY_DIR
*)xl
->method_data
;
277 h
=X509_NAME_hash(name
);
278 for (i
=0; i
<ctx
->num_dirs
; i
++)
280 j
=strlen(ctx
->dirs
[i
])+1+8+6+1;
281 if (!BUF_MEM_grow(b
,j
))
283 X509err(X509_F_GET_CERT_BY_SUBJECT
,ERR_R_MALLOC_FAILURE
);
289 sprintf(b
->data
,"%s/%08lx.%d",ctx
->dirs
[i
],h
,k
);
291 if (stat(b
->data
,&st
) < 0)
294 if ((X509_load_cert_file(xl
,b
->data
,
295 ctx
->dirs_type
[i
])) == 0)
299 /* we have added it to the cache so now pull
301 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE
);
302 tmp
=(X509_OBJECT
*)lh_retrieve(xl
->store_ctx
->certs
,
304 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE
);
310 ret
->data
.x509
=tmp
->data
.x509
;
311 /* CRYPTO_add(&tmp->data.x509->references,1,
317 if (b
!= NULL
) BUF_MEM_free(b
);