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/err.h>
61 #include <openssl/pem.h>
62 #include <openssl/thread.h>
63
64 #include "internal.h"
65
66 #ifndef OPENSSL_NO_STDIO
67
68 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
69 long argl, char **ret);
70 static X509_LOOKUP_METHOD x509_file_lookup = {
71 "Load file into cache",
72 NULL, /* new */
73 NULL, /* free */
74 NULL, /* init */
75 NULL, /* shutdown */
76 by_file_ctrl, /* ctrl */
77 NULL, /* get_by_subject */
78 NULL, /* get_by_issuer_serial */
79 NULL, /* get_by_fingerprint */
80 NULL, /* get_by_alias */
81 };
82
X509_LOOKUP_file(void)83 X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
84 {
85 return (&x509_file_lookup);
86 }
87
by_file_ctrl(X509_LOOKUP * ctx,int cmd,const char * argp,long argl,char ** ret)88 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp,
89 long argl, char **ret)
90 {
91 int ok = 0;
92 const char *file;
93
94 switch (cmd) {
95 case X509_L_FILE_LOAD:
96 if (argl == X509_FILETYPE_DEFAULT) {
97 file = getenv(X509_get_default_cert_file_env());
98 if (file)
99 ok = (X509_load_cert_crl_file(ctx, file,
100 X509_FILETYPE_PEM) != 0);
101
102 else
103 ok = (X509_load_cert_crl_file
104 (ctx, X509_get_default_cert_file(),
105 X509_FILETYPE_PEM) != 0);
106
107 if (!ok) {
108 OPENSSL_PUT_ERROR(X509, X509_R_LOADING_DEFAULTS);
109 }
110 } else {
111 if (argl == X509_FILETYPE_PEM)
112 ok = (X509_load_cert_crl_file(ctx, argp,
113 X509_FILETYPE_PEM) != 0);
114 else
115 ok = (X509_load_cert_file(ctx, argp, (int)argl) != 0);
116 }
117 break;
118 }
119 return (ok);
120 }
121
X509_load_cert_file(X509_LOOKUP * ctx,const char * file,int type)122 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
123 {
124 int ret = 0;
125 BIO *in = NULL;
126 int i, count = 0;
127 X509 *x = NULL;
128
129 if (file == NULL)
130 return (1);
131 in = BIO_new(BIO_s_file());
132
133 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
134 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
135 goto err;
136 }
137
138 if (type == X509_FILETYPE_PEM) {
139 for (;;) {
140 x = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL);
141 if (x == NULL) {
142 uint32_t error = ERR_peek_last_error();
143 if (ERR_GET_LIB(error) == ERR_LIB_PEM &&
144 ERR_GET_REASON(error) == PEM_R_NO_START_LINE &&
145 count > 0) {
146 ERR_clear_error();
147 break;
148 }
149 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
150 goto err;
151 }
152 i = X509_STORE_add_cert(ctx->store_ctx, x);
153 if (!i)
154 goto err;
155 count++;
156 X509_free(x);
157 x = NULL;
158 }
159 ret = count;
160 } else if (type == X509_FILETYPE_ASN1) {
161 x = d2i_X509_bio(in, NULL);
162 if (x == NULL) {
163 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
164 goto err;
165 }
166 i = X509_STORE_add_cert(ctx->store_ctx, x);
167 if (!i)
168 goto err;
169 ret = i;
170 } else {
171 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
172 goto err;
173 }
174 err:
175 if (x != NULL)
176 X509_free(x);
177 if (in != NULL)
178 BIO_free(in);
179 return (ret);
180 }
181
X509_load_crl_file(X509_LOOKUP * ctx,const char * file,int type)182 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
183 {
184 int ret = 0;
185 BIO *in = NULL;
186 int i, count = 0;
187 X509_CRL *x = NULL;
188
189 if (file == NULL)
190 return (1);
191 in = BIO_new(BIO_s_file());
192
193 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
194 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
195 goto err;
196 }
197
198 if (type == X509_FILETYPE_PEM) {
199 for (;;) {
200 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
201 if (x == NULL) {
202 uint32_t error = ERR_peek_last_error();
203 if (ERR_GET_LIB(error) == ERR_LIB_PEM &&
204 ERR_GET_REASON(error) == PEM_R_NO_START_LINE &&
205 count > 0) {
206 ERR_clear_error();
207 break;
208 }
209 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
210 goto err;
211 }
212 i = X509_STORE_add_crl(ctx->store_ctx, x);
213 if (!i)
214 goto err;
215 count++;
216 X509_CRL_free(x);
217 x = NULL;
218 }
219 ret = count;
220 } else if (type == X509_FILETYPE_ASN1) {
221 x = d2i_X509_CRL_bio(in, NULL);
222 if (x == NULL) {
223 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
224 goto err;
225 }
226 i = X509_STORE_add_crl(ctx->store_ctx, x);
227 if (!i)
228 goto err;
229 ret = i;
230 } else {
231 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
232 goto err;
233 }
234 err:
235 if (x != NULL)
236 X509_CRL_free(x);
237 if (in != NULL)
238 BIO_free(in);
239 return (ret);
240 }
241
X509_load_cert_crl_file(X509_LOOKUP * ctx,const char * file,int type)242 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
243 {
244 STACK_OF(X509_INFO) *inf;
245 X509_INFO *itmp;
246 BIO *in;
247 size_t i;
248 int count = 0;
249 if (type != X509_FILETYPE_PEM)
250 return X509_load_cert_file(ctx, file, type);
251 in = BIO_new_file(file, "r");
252 if (!in) {
253 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
254 return 0;
255 }
256 inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
257 BIO_free(in);
258 if (!inf) {
259 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
260 return 0;
261 }
262 for (i = 0; i < sk_X509_INFO_num(inf); i++) {
263 itmp = sk_X509_INFO_value(inf, i);
264 if (itmp->x509) {
265 X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
266 count++;
267 }
268 if (itmp->crl) {
269 X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
270 count++;
271 }
272 }
273 sk_X509_INFO_pop_free(inf, X509_INFO_free);
274 return count;
275 }
276
277 #endif /* OPENSSL_NO_STDIO */
278