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.]
62 #include <sys/types.h>
66 #include <openssl/lhash.h>
67 #include <openssl/x509.h>
69 typedef struct lookup_dir_st
78 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
80 static int new_dir(X509_LOOKUP *lu);
81 static void free_dir(X509_LOOKUP *lu);
82 static int add_cert_dir(BY_DIR *ctx,const char *dir,int type);
83 static int get_cert_by_subject(X509_LOOKUP *xl,int type,X509_NAME *name,
85 X509_LOOKUP_METHOD x509_dir_lookup=
87 "Load certs from files in a directory",
93 get_cert_by_subject, /* get_by_subject */
94 NULL, /* get_by_issuer_serial */
95 NULL, /* get_by_fingerprint */
96 NULL, /* get_by_alias */
99 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
101 return(&x509_dir_lookup);
104 static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
111 ld=(BY_DIR *)ctx->method_data;
116 if (argl == X509_FILETYPE_DEFAULT)
118 ret=add_cert_dir(ld,X509_get_default_cert_dir(),
122 X509err(X509_F_DIR_CTRL,X509_R_LOADING_CERT_DIR);
126 dir=(char *)Getenv(X509_get_default_cert_dir_env());
127 ret=add_cert_dir(ld,dir,X509_FILETYPE_PEM);
131 ret=add_cert_dir(ld,argp,(int)argl);
137 static int new_dir(X509_LOOKUP *lu)
141 if ((a=(BY_DIR *)Malloc(sizeof(BY_DIR))) == NULL)
143 if ((a->buffer=BUF_MEM_new()) == NULL)
151 a->num_dirs_alloced=0;
152 lu->method_data=(char *)a;
156 static void free_dir(X509_LOOKUP *lu)
161 a=(BY_DIR *)lu->method_data;
162 for (i=0; i<a->num_dirs; i++)
163 if (a->dirs[i] != NULL) Free(a->dirs[i]);
164 if (a->dirs != NULL) Free(a->dirs);
165 if (a->dirs_type != NULL) Free(a->dirs_type);
166 if (a->buffer != NULL) BUF_MEM_free(a->buffer);
170 static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
174 const char *s,*ss,*p;
177 if (dir == NULL || !*dir)
179 X509err(X509_F_ADD_CERT_DIR,X509_R_INVALID_DIRECTORY);
187 if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0'))
192 if (len == 0) continue;
193 for (j=0; j<ctx->num_dirs; j++)
194 if (strncmp(ctx->dirs[j],ss,(unsigned int)len) == 0)
196 if (ctx->num_dirs_alloced < (ctx->num_dirs+1))
198 ctx->num_dirs_alloced+=10;
199 pp=(char **)Malloc(ctx->num_dirs_alloced*
201 ip=(int *)Malloc(ctx->num_dirs_alloced*
203 if ((pp == NULL) || (ip == NULL))
205 X509err(X509_F_ADD_CERT_DIR,ERR_R_MALLOC_FAILURE);
208 memcpy(pp,ctx->dirs,(ctx->num_dirs_alloced-10)*
210 memcpy(ip,ctx->dirs_type,(ctx->num_dirs_alloced-10)*
212 if (ctx->dirs != NULL)
213 Free((char *)ctx->dirs);
214 if (ctx->dirs_type != NULL)
215 Free((char *)ctx->dirs_type);
219 ctx->dirs_type[ctx->num_dirs]=type;
220 ctx->dirs[ctx->num_dirs]=(char *)Malloc((unsigned int)len+1);
221 if (ctx->dirs[ctx->num_dirs] == NULL) return(0);
222 strncpy(ctx->dirs[ctx->num_dirs],ss,(unsigned int)len);
223 ctx->dirs[ctx->num_dirs][len]='\0';
226 if (*p == '\0') break;
232 static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
239 X509_CINF st_x509_cinf;
243 X509_CRL_INFO st_crl_info;
251 X509_OBJECT stmp,*tmp;
252 const char *postfix="";
254 if (name == NULL) return(0);
257 if (type == X509_LU_X509)
259 data.x509.st_x509.cert_info= &data.x509.st_x509_cinf;
260 data.x509.st_x509_cinf.subject=name;
261 stmp.data.x509= &data.x509.st_x509;
264 else if (type == X509_LU_CRL)
266 data.crl.st_crl.crl= &data.crl.st_crl_info;
267 data.crl.st_crl_info.issuer=name;
268 stmp.data.crl= &data.crl.st_crl;
273 X509err(X509_F_GET_CERT_BY_SUBJECT,X509_R_WRONG_LOOKUP_TYPE);
277 if ((b=BUF_MEM_new()) == NULL)
279 X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_BUF_LIB);
283 ctx=(BY_DIR *)xl->method_data;
285 h=X509_NAME_hash(name);
286 for (i=0; i<ctx->num_dirs; i++)
288 j=strlen(ctx->dirs[i])+1+8+6+1+1;
289 if (!BUF_MEM_grow(b,j))
291 X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE);
297 sprintf(b->data,"%s/%08lx.%s%d",ctx->dirs[i],h,
300 if (stat(b->data,&st) < 0)
303 if (type == X509_LU_X509)
305 if ((X509_load_cert_file(xl,b->data,
306 ctx->dirs_type[i])) == 0)
309 else if (type == X509_LU_CRL)
311 if ((X509_load_crl_file(xl,b->data,
312 ctx->dirs_type[i])) == 0)
315 /* else case will caught higher up */
318 /* we have added it to the cache so now pull
320 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
321 tmp=(X509_OBJECT *)lh_retrieve(xl->store_ctx->certs,
323 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
329 memcpy(&ret->data,&tmp->data,sizeof(ret->data));
330 /* If we were going to up the reference count,
331 * we would need to do it on a perl 'type'
333 /* CRYPTO_add(&tmp->data.x509->references,1,
339 if (b != NULL) BUF_MEM_free(b);