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>
69 typedef struct lookup_dir_st
79 static int dir_ctrl(X509_LOOKUP *ctx,int cmd,char *argp,long argl,char **ret);
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,
86 static int dir_ctrl();
88 static void free_dir();
89 static int add_cert_dir();
90 static int get_cert_by_subject();
93 X509_LOOKUP_METHOD x509_dir_lookup=
95 "Load certs from files in a directory",
101 get_cert_by_subject, /* get_by_subject */
102 NULL, /* get_by_issuer_serial */
103 NULL, /* get_by_fingerprint */
104 NULL, /* get_by_alias */
107 X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir()
109 return(&x509_dir_lookup);
112 static int dir_ctrl(ctx,cmd,argp,argl,retp)
123 ld=(BY_DIR *)ctx->method_data;
128 if (argl == X509_FILETYPE_DEFAULT)
130 ret=add_cert_dir(ld,X509_get_default_cert_dir(),
134 X509err(X509_F_DIR_CTRL,X509_R_LOADING_CERT_DIR);
138 dir=(char *)Getenv(X509_get_default_cert_dir_env());
139 ret=add_cert_dir(ld,dir,X509_FILETYPE_PEM);
143 ret=add_cert_dir(ld,argp,(int)argl);
149 static int new_dir(lu)
154 if ((a=(BY_DIR *)Malloc(sizeof(BY_DIR))) == NULL)
156 if ((a->buffer=BUF_MEM_new()) == NULL)
164 a->num_dirs_alloced=0;
165 lu->method_data=(char *)a;
169 static void free_dir(lu)
175 a=(BY_DIR *)lu->method_data;
176 for (i=0; i<a->num_dirs; i++)
177 if (a->dirs[i] != NULL) Free(a->dirs[i]);
178 if (a->dirs != NULL) Free(a->dirs);
179 if (a->dirs_type != NULL) Free(a->dirs_type);
180 if (a->buffer != NULL) BUF_MEM_free(a->buffer);
184 static int add_cert_dir(ctx,dir, type)
191 const char *s,*ss,*p;
194 if (dir == NULL || !*dir)
196 X509err(X509_F_ADD_CERT_DIR,X509_R_INVALID_DIRECTORY);
204 if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0'))
209 if (len == 0) continue;
210 for (j=0; j<ctx->num_dirs; j++)
211 if (strncmp(ctx->dirs[j],ss,(unsigned int)len) == 0)
213 if (ctx->num_dirs_alloced < (ctx->num_dirs+1))
215 ctx->num_dirs_alloced+=10;
216 pp=(char **)Malloc(ctx->num_dirs_alloced*
218 ip=(int *)Malloc(ctx->num_dirs_alloced*
220 if ((pp == NULL) || (ip == NULL))
222 X509err(X509_F_ADD_CERT_DIR,ERR_R_MALLOC_FAILURE);
225 memcpy(pp,ctx->dirs,(ctx->num_dirs_alloced-10)*
227 memcpy(ip,ctx->dirs_type,(ctx->num_dirs_alloced-10)*
229 if (ctx->dirs != NULL)
230 Free((char *)ctx->dirs);
231 if (ctx->dirs_type != NULL)
232 Free((char *)ctx->dirs_type);
236 ctx->dirs_type[ctx->num_dirs]=type;
237 ctx->dirs[ctx->num_dirs]=(char *)Malloc((unsigned int)len+1);
238 if (ctx->dirs[ctx->num_dirs] == NULL) return(0);
239 strncpy(ctx->dirs[ctx->num_dirs],ss,(unsigned int)len);
240 ctx->dirs[ctx->num_dirs][len]='\0';
243 if (*p == '\0') break;
249 static int get_cert_by_subject(xl,type,name,ret)
259 X509_CINF st_x509_cinf;
263 X509_CRL_INFO st_crl_info;
271 X509_OBJECT stmp,*tmp;
272 const char *postfix="";
274 if (name == NULL) return(0);
277 if (type == X509_LU_X509)
279 data.x509.st_x509.cert_info= &data.x509.st_x509_cinf;
280 data.x509.st_x509_cinf.subject=name;
281 stmp.data.x509= &data.x509.st_x509;
284 else if (type == X509_LU_CRL)
286 data.crl.st_crl.crl= &data.crl.st_crl_info;
287 data.crl.st_crl_info.issuer=name;
288 stmp.data.crl= &data.crl.st_crl;
293 X509err(X509_F_GET_CERT_BY_SUBJECT,X509_R_WRONG_LOOKUP_TYPE);
297 if ((b=BUF_MEM_new()) == NULL)
299 X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_BUF_LIB);
303 ctx=(BY_DIR *)xl->method_data;
305 h=X509_NAME_hash(name);
306 for (i=0; i<ctx->num_dirs; i++)
308 j=strlen(ctx->dirs[i])+1+8+6+1+1;
309 if (!BUF_MEM_grow(b,j))
311 X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE);
317 sprintf(b->data,"%s/%08lx.%s%d",ctx->dirs[i],h,
320 if (stat(b->data,&st) < 0)
323 if (type == X509_LU_X509)
325 if ((X509_load_cert_file(xl,b->data,
326 ctx->dirs_type[i])) == 0)
329 else if (type == X509_LU_CRL)
331 if ((X509_load_crl_file(xl,b->data,
332 ctx->dirs_type[i])) == 0)
335 /* else case will caught higher up */
338 /* we have added it to the cache so now pull
340 CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
341 tmp=(X509_OBJECT *)lh_retrieve(xl->store_ctx->certs,
343 CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
349 memcpy(&ret->data,&tmp->data,sizeof(ret->data));
350 /* If we were going to up the reference count,
351 * we would need to do it on a perl 'type'
353 /* CRYPTO_add(&tmp->data.x509->references,1,
359 if (b != NULL) BUF_MEM_free(b);