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 #include <stdlib.h>
59
60 #include <openssl/buf.h>
61 #include <openssl/err.h>
62 #include <openssl/lhash.h>
63 #include <openssl/pem.h>
64 #include <openssl/thread.h>
65
66
67 #ifndef OPENSSL_NO_STDIO
68
69 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
70 long argl, char **ret);
71 static X509_LOOKUP_METHOD x509_file_lookup=
72 {
73 "Load file into cache",
74 NULL, /* new */
75 NULL, /* free */
76 NULL, /* init */
77 NULL, /* shutdown */
78 by_file_ctrl, /* ctrl */
79 NULL, /* get_by_subject */
80 NULL, /* get_by_issuer_serial */
81 NULL, /* get_by_fingerprint */
82 NULL, /* get_by_alias */
83 };
84
X509_LOOKUP_file(void)85 X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
86 {
87 return(&x509_file_lookup);
88 }
89
by_file_ctrl(X509_LOOKUP * ctx,int cmd,const char * argp,long argl,char ** ret)90 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
91 char **ret)
92 {
93 int ok=0;
94 char *file;
95
96 switch (cmd)
97 {
98 case X509_L_FILE_LOAD:
99 if (argl == X509_FILETYPE_DEFAULT)
100 {
101 file = (char *)getenv(X509_get_default_cert_file_env());
102 if (file)
103 ok = (X509_load_cert_crl_file(ctx,file,
104 X509_FILETYPE_PEM) != 0);
105
106 else
107 ok = (X509_load_cert_crl_file(ctx,X509_get_default_cert_file(),
108 X509_FILETYPE_PEM) != 0);
109
110 if (!ok)
111 {
112 OPENSSL_PUT_ERROR(X509, X509_R_LOADING_DEFAULTS);
113 }
114 }
115 else
116 {
117 if(argl == X509_FILETYPE_PEM)
118 ok = (X509_load_cert_crl_file(ctx,argp,
119 X509_FILETYPE_PEM) != 0);
120 else
121 ok = (X509_load_cert_file(ctx,argp,(int)argl) != 0);
122 }
123 break;
124 }
125 return(ok);
126 }
127
X509_load_cert_file(X509_LOOKUP * ctx,const char * file,int type)128 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
129 {
130 int ret=0;
131 BIO *in=NULL;
132 int i,count=0;
133 X509 *x=NULL;
134
135 if (file == NULL) return(1);
136 in=BIO_new(BIO_s_file());
137
138 if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
139 {
140 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
141 goto err;
142 }
143
144 if (type == X509_FILETYPE_PEM)
145 {
146 for (;;)
147 {
148 x=PEM_read_bio_X509_AUX(in,NULL,NULL,NULL);
149 if (x == NULL)
150 {
151 if ((ERR_GET_REASON(ERR_peek_last_error()) ==
152 PEM_R_NO_START_LINE) && (count > 0))
153 {
154 ERR_clear_error();
155 break;
156 }
157 else
158 {
159 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
160 goto err;
161 }
162 }
163 i=X509_STORE_add_cert(ctx->store_ctx,x);
164 if (!i) goto err;
165 count++;
166 X509_free(x);
167 x=NULL;
168 }
169 ret=count;
170 }
171 else if (type == X509_FILETYPE_ASN1)
172 {
173 x=d2i_X509_bio(in,NULL);
174 if (x == NULL)
175 {
176 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
177 goto err;
178 }
179 i=X509_STORE_add_cert(ctx->store_ctx,x);
180 if (!i) goto err;
181 ret=i;
182 }
183 else
184 {
185 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
186 goto err;
187 }
188 err:
189 if (x != NULL) X509_free(x);
190 if (in != NULL) BIO_free(in);
191 return(ret);
192 }
193
X509_load_crl_file(X509_LOOKUP * ctx,const char * file,int type)194 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
195 {
196 int ret=0;
197 BIO *in=NULL;
198 int i,count=0;
199 X509_CRL *x=NULL;
200
201 if (file == NULL) return(1);
202 in=BIO_new(BIO_s_file());
203
204 if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
205 {
206 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
207 goto err;
208 }
209
210 if (type == X509_FILETYPE_PEM)
211 {
212 for (;;)
213 {
214 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
215 if (x == NULL)
216 {
217 if ((ERR_GET_REASON(ERR_peek_last_error()) ==
218 PEM_R_NO_START_LINE) && (count > 0))
219 {
220 ERR_clear_error();
221 break;
222 }
223 else
224 {
225 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
226 goto err;
227 }
228 }
229 i=X509_STORE_add_crl(ctx->store_ctx,x);
230 if (!i) goto err;
231 count++;
232 X509_CRL_free(x);
233 x=NULL;
234 }
235 ret=count;
236 }
237 else if (type == X509_FILETYPE_ASN1)
238 {
239 x=d2i_X509_CRL_bio(in,NULL);
240 if (x == NULL)
241 {
242 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
243 goto err;
244 }
245 i=X509_STORE_add_crl(ctx->store_ctx,x);
246 if (!i) goto err;
247 ret=i;
248 }
249 else
250 {
251 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
252 goto err;
253 }
254 err:
255 if (x != NULL) X509_CRL_free(x);
256 if (in != NULL) BIO_free(in);
257 return(ret);
258 }
259
X509_load_cert_crl_file(X509_LOOKUP * ctx,const char * file,int type)260 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
261 {
262 STACK_OF(X509_INFO) *inf;
263 X509_INFO *itmp;
264 BIO *in;
265 size_t i;
266 int count = 0;
267 if(type != X509_FILETYPE_PEM)
268 return X509_load_cert_file(ctx, file, type);
269 in = BIO_new_file(file, "r");
270 if(!in) {
271 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
272 return 0;
273 }
274 inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
275 BIO_free(in);
276 if(!inf) {
277 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
278 return 0;
279 }
280 for(i = 0; i < sk_X509_INFO_num(inf); i++) {
281 itmp = sk_X509_INFO_value(inf, i);
282 if(itmp->x509) {
283 X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
284 count++;
285 }
286 if(itmp->crl) {
287 X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
288 count++;
289 }
290 }
291 sk_X509_INFO_pop_free(inf, X509_INFO_free);
292 return count;
293 }
294
295 #endif /* OPENSSL_NO_STDIO */
296