Line data Source code
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 : "Load file into cache",
75 : NULL, /* new */
76 : NULL, /* free */
77 : NULL, /* init */
78 : NULL, /* shutdown */
79 : by_file_ctrl, /* ctrl */
80 : NULL, /* get_by_subject */
81 : NULL, /* get_by_issuer_serial */
82 : NULL, /* get_by_fingerprint */
83 : NULL, /* get_by_alias */
84 : };
85 :
86 0 : X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
87 : {
88 0 : return (&x509_file_lookup);
89 : }
90 :
91 0 : static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp,
92 : long argl, char **ret)
93 : {
94 : int ok = 0;
95 : char *file;
96 :
97 0 : switch (cmd) {
98 : case X509_L_FILE_LOAD:
99 0 : if (argl == X509_FILETYPE_DEFAULT) {
100 0 : file = (char *)getenv(X509_get_default_cert_file_env());
101 0 : if (file)
102 0 : ok = (X509_load_cert_crl_file(ctx, file,
103 0 : X509_FILETYPE_PEM) != 0);
104 :
105 : else
106 0 : ok = (X509_load_cert_crl_file
107 0 : (ctx, X509_get_default_cert_file(),
108 0 : X509_FILETYPE_PEM) != 0);
109 :
110 0 : if (!ok) {
111 0 : X509err(X509_F_BY_FILE_CTRL, X509_R_LOADING_DEFAULTS);
112 : }
113 : } else {
114 0 : if (argl == X509_FILETYPE_PEM)
115 0 : ok = (X509_load_cert_crl_file(ctx, argp,
116 0 : X509_FILETYPE_PEM) != 0);
117 : else
118 0 : ok = (X509_load_cert_file(ctx, argp, (int)argl) != 0);
119 : }
120 : break;
121 : }
122 0 : return (ok);
123 : }
124 :
125 0 : int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
126 : {
127 : int ret = 0;
128 : BIO *in = NULL;
129 : int i, count = 0;
130 : X509 *x = NULL;
131 :
132 0 : if (file == NULL)
133 : return (1);
134 0 : in = BIO_new(BIO_s_file_internal());
135 :
136 0 : if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
137 0 : X509err(X509_F_X509_LOAD_CERT_FILE, ERR_R_SYS_LIB);
138 0 : goto err;
139 : }
140 :
141 0 : if (type == X509_FILETYPE_PEM) {
142 : for (;;) {
143 0 : x = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL);
144 0 : if (x == NULL) {
145 0 : if ((ERR_GET_REASON(ERR_peek_last_error()) ==
146 0 : PEM_R_NO_START_LINE) && (count > 0)) {
147 0 : ERR_clear_error();
148 : break;
149 : } else {
150 0 : X509err(X509_F_X509_LOAD_CERT_FILE, ERR_R_PEM_LIB);
151 0 : goto err;
152 : }
153 : }
154 0 : i = X509_STORE_add_cert(ctx->store_ctx, x);
155 0 : if (!i)
156 : goto err;
157 0 : count++;
158 0 : X509_free(x);
159 : x = NULL;
160 0 : }
161 : ret = count;
162 0 : } else if (type == X509_FILETYPE_ASN1) {
163 0 : x = d2i_X509_bio(in, NULL);
164 0 : if (x == NULL) {
165 0 : X509err(X509_F_X509_LOAD_CERT_FILE, ERR_R_ASN1_LIB);
166 0 : goto err;
167 : }
168 0 : i = X509_STORE_add_cert(ctx->store_ctx, x);
169 0 : if (!i)
170 : goto err;
171 : ret = i;
172 : } else {
173 0 : X509err(X509_F_X509_LOAD_CERT_FILE, X509_R_BAD_X509_FILETYPE);
174 0 : goto err;
175 : }
176 : err:
177 0 : if (x != NULL)
178 0 : X509_free(x);
179 0 : if (in != NULL)
180 0 : BIO_free(in);
181 0 : return (ret);
182 : }
183 :
184 0 : int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
185 : {
186 : int ret = 0;
187 : BIO *in = NULL;
188 : int i, count = 0;
189 : X509_CRL *x = NULL;
190 :
191 0 : if (file == NULL)
192 : return (1);
193 0 : in = BIO_new(BIO_s_file_internal());
194 :
195 0 : if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
196 0 : X509err(X509_F_X509_LOAD_CRL_FILE, ERR_R_SYS_LIB);
197 0 : goto err;
198 : }
199 :
200 0 : if (type == X509_FILETYPE_PEM) {
201 : for (;;) {
202 0 : x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
203 0 : if (x == NULL) {
204 0 : if ((ERR_GET_REASON(ERR_peek_last_error()) ==
205 0 : PEM_R_NO_START_LINE) && (count > 0)) {
206 0 : ERR_clear_error();
207 : break;
208 : } else {
209 0 : X509err(X509_F_X509_LOAD_CRL_FILE, ERR_R_PEM_LIB);
210 0 : goto err;
211 : }
212 : }
213 0 : i = X509_STORE_add_crl(ctx->store_ctx, x);
214 0 : if (!i)
215 : goto err;
216 0 : count++;
217 0 : X509_CRL_free(x);
218 : x = NULL;
219 0 : }
220 : ret = count;
221 0 : } else if (type == X509_FILETYPE_ASN1) {
222 0 : x = d2i_X509_CRL_bio(in, NULL);
223 0 : if (x == NULL) {
224 0 : X509err(X509_F_X509_LOAD_CRL_FILE, ERR_R_ASN1_LIB);
225 0 : goto err;
226 : }
227 0 : i = X509_STORE_add_crl(ctx->store_ctx, x);
228 0 : if (!i)
229 : goto err;
230 : ret = i;
231 : } else {
232 0 : X509err(X509_F_X509_LOAD_CRL_FILE, X509_R_BAD_X509_FILETYPE);
233 0 : goto err;
234 : }
235 : err:
236 0 : if (x != NULL)
237 0 : X509_CRL_free(x);
238 0 : if (in != NULL)
239 0 : BIO_free(in);
240 0 : return (ret);
241 : }
242 :
243 0 : int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
244 : {
245 : STACK_OF(X509_INFO) *inf;
246 : X509_INFO *itmp;
247 : BIO *in;
248 : int i, count = 0;
249 0 : if (type != X509_FILETYPE_PEM)
250 0 : return X509_load_cert_file(ctx, file, type);
251 0 : in = BIO_new_file(file, "r");
252 0 : if (!in) {
253 0 : X509err(X509_F_X509_LOAD_CERT_CRL_FILE, ERR_R_SYS_LIB);
254 0 : return 0;
255 : }
256 0 : inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
257 0 : BIO_free(in);
258 0 : if (!inf) {
259 0 : X509err(X509_F_X509_LOAD_CERT_CRL_FILE, ERR_R_PEM_LIB);
260 0 : return 0;
261 : }
262 0 : for (i = 0; i < sk_X509_INFO_num(inf); i++) {
263 0 : itmp = sk_X509_INFO_value(inf, i);
264 0 : if (itmp->x509) {
265 0 : X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
266 0 : count++;
267 : }
268 0 : if (itmp->crl) {
269 0 : X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
270 0 : count++;
271 : }
272 : }
273 0 : sk_X509_INFO_pop_free(inf, X509_INFO_free);
274 0 : return count;
275 : }
276 :
277 : #endif /* OPENSSL_NO_STDIO */
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