1 /* Copyright (C) 1995-1998 Eric Young ([email protected])
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young ([email protected]).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson ([email protected]).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young ([email protected])"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson ([email protected])"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57 #include <stdlib.h>
58
59 #include <openssl/err.h>
60 #include <openssl/pem.h>
61 #include <openssl/thread.h>
62
63 #include "internal.h"
64
65
66 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
67 char **ret);
68 static const X509_LOOKUP_METHOD x509_file_lookup = {
69 NULL, // new
70 NULL, // free
71 by_file_ctrl, // ctrl
72 NULL, // get_by_subject
73 };
74
X509_LOOKUP_file(void)75 const X509_LOOKUP_METHOD *X509_LOOKUP_file(void) { return &x509_file_lookup; }
76
by_file_ctrl(X509_LOOKUP * ctx,int cmd,const char * argp,long argl,char ** ret)77 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
78 char **ret) {
79 if (cmd != X509_L_FILE_LOAD) {
80 return 0;
81 }
82 const char *file = argp;
83 int type = argl;
84 if (argl == X509_FILETYPE_DEFAULT) {
85 if ((file = getenv(X509_get_default_cert_file_env())) == NULL) {
86 file = X509_get_default_cert_file();
87 }
88 type = X509_FILETYPE_PEM;
89 }
90 if (X509_load_cert_crl_file(ctx, file, type) != 0) {
91 return 1;
92 }
93 if (argl == X509_FILETYPE_DEFAULT) {
94 OPENSSL_PUT_ERROR(X509, X509_R_LOADING_DEFAULTS);
95 }
96 return 0;
97 }
98
X509_load_cert_file(X509_LOOKUP * ctx,const char * file,int type)99 int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type) {
100 int ret = 0;
101 BIO *in = NULL;
102 int i, count = 0;
103 X509 *x = NULL;
104
105 in = BIO_new(BIO_s_file());
106
107 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
108 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
109 goto err;
110 }
111
112 if (type == X509_FILETYPE_PEM) {
113 for (;;) {
114 x = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL);
115 if (x == NULL) {
116 uint32_t error = ERR_peek_last_error();
117 if (ERR_GET_LIB(error) == ERR_LIB_PEM &&
118 ERR_GET_REASON(error) == PEM_R_NO_START_LINE && count > 0) {
119 ERR_clear_error();
120 break;
121 }
122 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
123 goto err;
124 }
125 i = X509_STORE_add_cert(ctx->store_ctx, x);
126 if (!i) {
127 goto err;
128 }
129 count++;
130 X509_free(x);
131 x = NULL;
132 }
133 ret = count;
134 } else if (type == X509_FILETYPE_ASN1) {
135 x = d2i_X509_bio(in, NULL);
136 if (x == NULL) {
137 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
138 goto err;
139 }
140 i = X509_STORE_add_cert(ctx->store_ctx, x);
141 if (!i) {
142 goto err;
143 }
144 ret = i;
145 } else {
146 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
147 goto err;
148 }
149
150 if (ret == 0) {
151 OPENSSL_PUT_ERROR(X509, X509_R_NO_CERTIFICATE_FOUND);
152 }
153
154 err:
155 X509_free(x);
156 BIO_free(in);
157 return ret;
158 }
159
X509_load_crl_file(X509_LOOKUP * ctx,const char * file,int type)160 int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type) {
161 int ret = 0;
162 BIO *in = NULL;
163 int i, count = 0;
164 X509_CRL *x = NULL;
165
166 in = BIO_new(BIO_s_file());
167
168 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
169 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
170 goto err;
171 }
172
173 if (type == X509_FILETYPE_PEM) {
174 for (;;) {
175 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
176 if (x == NULL) {
177 uint32_t error = ERR_peek_last_error();
178 if (ERR_GET_LIB(error) == ERR_LIB_PEM &&
179 ERR_GET_REASON(error) == PEM_R_NO_START_LINE && count > 0) {
180 ERR_clear_error();
181 break;
182 }
183 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
184 goto err;
185 }
186 i = X509_STORE_add_crl(ctx->store_ctx, x);
187 if (!i) {
188 goto err;
189 }
190 count++;
191 X509_CRL_free(x);
192 x = NULL;
193 }
194 ret = count;
195 } else if (type == X509_FILETYPE_ASN1) {
196 x = d2i_X509_CRL_bio(in, NULL);
197 if (x == NULL) {
198 OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
199 goto err;
200 }
201 i = X509_STORE_add_crl(ctx->store_ctx, x);
202 if (!i) {
203 goto err;
204 }
205 ret = i;
206 } else {
207 OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
208 goto err;
209 }
210
211 if (ret == 0) {
212 OPENSSL_PUT_ERROR(X509, X509_R_NO_CRL_FOUND);
213 }
214
215 err:
216 X509_CRL_free(x);
217 BIO_free(in);
218 return ret;
219 }
220
X509_load_cert_crl_file(X509_LOOKUP * ctx,const char * file,int type)221 int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type) {
222 STACK_OF(X509_INFO) *inf;
223 X509_INFO *itmp;
224 BIO *in;
225 size_t i;
226 int count = 0;
227
228 if (type != X509_FILETYPE_PEM) {
229 return X509_load_cert_file(ctx, file, type);
230 }
231 in = BIO_new_file(file, "rb");
232 if (!in) {
233 OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
234 return 0;
235 }
236 inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
237 BIO_free(in);
238 if (!inf) {
239 OPENSSL_PUT_ERROR(X509, ERR_R_PEM_LIB);
240 return 0;
241 }
242 for (i = 0; i < sk_X509_INFO_num(inf); i++) {
243 itmp = sk_X509_INFO_value(inf, i);
244 if (itmp->x509) {
245 if (!X509_STORE_add_cert(ctx->store_ctx, itmp->x509)) {
246 goto err;
247 }
248 count++;
249 }
250 if (itmp->crl) {
251 if (!X509_STORE_add_crl(ctx->store_ctx, itmp->crl)) {
252 goto err;
253 }
254 count++;
255 }
256 }
257
258 if (count == 0) {
259 OPENSSL_PUT_ERROR(X509, X509_R_NO_CERTIFICATE_OR_CRL_FOUND);
260 }
261
262 err:
263 sk_X509_INFO_pop_free(inf, X509_INFO_free);
264 return count;
265 }
266
X509_LOOKUP_load_file(X509_LOOKUP * lookup,const char * name,int type)267 int X509_LOOKUP_load_file(X509_LOOKUP *lookup, const char *name, int type) {
268 return X509_LOOKUP_ctrl(lookup, X509_L_FILE_LOAD, name, type, NULL);
269 }
270