1 /* crypto/x509/by_file.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59 #include <stdio.h>
60 #include <time.h>
61 #include <errno.h>
62
63 #include "cryptlib.h"
64 #include <openssl/lhash.h>
65 #include <openssl/buffer.h>
66 #include <openssl/x509.h>
67 #include <openssl/pem.h>
68
69 #ifndef OPENSSL_NO_STDIO
70
71 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
72 long argl, char **ret);
73 X509_LOOKUP_METHOD x509_file_lookup=
74 {
75 "Load file into cache",
76 NULL, /* new */
77 NULL, /* free */
78 NULL, /* init */
79 NULL, /* shutdown */
80 by_file_ctrl, /* ctrl */
81 NULL, /* get_by_subject */
82 NULL, /* get_by_issuer_serial */
83 NULL, /* get_by_fingerprint */
84 NULL, /* get_by_alias */
85 };
86
87 X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
88 {
89 return(&x509_file_lookup);
90 }
91
92 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
93 char **ret)
94 {
95 int ok=0;
96 char *file;
97
98 switch (cmd)
99 {
100 case X509_L_FILE_LOAD:
101 if (argl == X509_FILETYPE_DEFAULT)
102 {
103 file = (char *)getenv(X509_get_default_cert_file_env());
104 if (file)
105 ok = (X509_load_cert_crl_file(ctx,file,
106 X509_FILETYPE_PEM) != 0);
107
108 else
109 ok = (X509_load_cert_crl_file(ctx,X509_get_default_cert_file(),
110 X509_FILETYPE_PEM) != 0);
111
112 if (!ok)
113 {
114 X509err(X509_F_BY_FILE_CTRL,X509_R_LOADING_DEFAULTS);
115 }
116 }
117 else
118 {
119 if(argl == X509_FILETYPE_PEM)
120 ok = (X509_load_cert_crl_file(ctx,argp,
121 X509_FILETYPE_PEM) != 0);
122 else
123 ok = (X509_load_cert_file(ctx,argp,(int)argl) != 0);
124 }
125 break;
126 }
127 return(ok);
128 }
129
130 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
131 {
132 int ret=0;
133 BIO *in=NULL;
134 int i,count=0;
135 X509 *x=NULL;
136
137 if (file == NULL) return(1);
138 in=BIO_new(BIO_s_file_internal());
139
140 if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
141 {
142 X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_SYS_LIB);
143 goto err;
144 }
145
146 if (type == X509_FILETYPE_PEM)
147 {
148 for (;;)
149 {
150 x=PEM_read_bio_X509_AUX(in,NULL,NULL,NULL);
151 if (x == NULL)
152 {
153 if ((ERR_GET_REASON(ERR_peek_last_error()) ==
154 PEM_R_NO_START_LINE) && (count > 0))
155 {
156 ERR_clear_error();
157 break;
158 }
159 else
160 {
161 X509err(X509_F_X509_LOAD_CERT_FILE,
162 ERR_R_PEM_LIB);
163 goto err;
164 }
165 }
166 i=X509_STORE_add_cert(ctx->store_ctx,x);
167 if (!i) goto err;
168 count++;
169 X509_free(x);
170 x=NULL;
171 }
172 ret=count;
173 }
174 else if (type == X509_FILETYPE_ASN1)
175 {
176 x=d2i_X509_bio(in,NULL);
177 if (x == NULL)
178 {
179 X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_ASN1_LIB);
180 goto err;
181 }
182 i=X509_STORE_add_cert(ctx->store_ctx,x);
183 if (!i) goto err;
184 ret=i;
185 }
186 else
187 {
188 X509err(X509_F_X509_LOAD_CERT_FILE,X509_R_BAD_X509_FILETYPE);
189 goto err;
190 }
191 err:
192 if (x != NULL) X509_free(x);
193 if (in != NULL) BIO_free(in);
194 return(ret);
195 }
196
197 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
198 {
199 int ret=0;
200 BIO *in=NULL;
201 int i,count=0;
202 X509_CRL *x=NULL;
203
204 if (file == NULL) return(1);
205 in=BIO_new(BIO_s_file_internal());
206
207 if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
208 {
209 X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_SYS_LIB);
210 goto err;
211 }
212
213 if (type == X509_FILETYPE_PEM)
214 {
215 for (;;)
216 {
217 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
218 if (x == NULL)
219 {
220 if ((ERR_GET_REASON(ERR_peek_last_error()) ==
221 PEM_R_NO_START_LINE) && (count > 0))
222 {
223 ERR_clear_error();
224 break;
225 }
226 else
227 {
228 X509err(X509_F_X509_LOAD_CRL_FILE,
229 ERR_R_PEM_LIB);
230 goto err;
231 }
232 }
233 i=X509_STORE_add_crl(ctx->store_ctx,x);
234 if (!i) goto err;
235 count++;
236 X509_CRL_free(x);
237 x=NULL;
238 }
239 ret=count;
240 }
241 else if (type == X509_FILETYPE_ASN1)
242 {
243 x=d2i_X509_CRL_bio(in,NULL);
244 if (x == NULL)
245 {
246 X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_ASN1_LIB);
247 goto err;
248 }
249 i=X509_STORE_add_crl(ctx->store_ctx,x);
250 if (!i) goto err;
251 ret=i;
252 }
253 else
254 {
255 X509err(X509_F_X509_LOAD_CRL_FILE,X509_R_BAD_X509_FILETYPE);
256 goto err;
257 }
258 err:
259 if (x != NULL) X509_CRL_free(x);
260 if (in != NULL) BIO_free(in);
261 return(ret);
262 }
263
264 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
265 {
266 STACK_OF(X509_INFO) *inf;
267 X509_INFO *itmp;
268 BIO *in;
269 int i, count = 0;
270 if(type != X509_FILETYPE_PEM)
271 return X509_load_cert_file(ctx, file, type);
272 in = BIO_new_file(file, "r");
273 if(!in) {
274 X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_SYS_LIB);
275 return 0;
276 }
277 inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
278 BIO_free(in);
279 if(!inf) {
280 X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_PEM_LIB);
281 return 0;
282 }
283 for(i = 0; i < sk_X509_INFO_num(inf); i++) {
284 itmp = sk_X509_INFO_value(inf, i);
285 if(itmp->x509) {
286 X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
287 count++;
288 }
289 if(itmp->crl) {
290 X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
291 count++;
292 }
293 }
294 sk_X509_INFO_pop_free(inf, X509_INFO_free);
295 return count;
296 }
297
298
299 #endif /* OPENSSL_NO_STDIO */