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