1 /* $OpenBSD: by_file.c,v 1.21 2017/01/29 17:49:23 beck Exp $ */
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 <errno.h>
60 #include <stdio.h>
61 #include <time.h>
62 #include <unistd.h>
63
64 #include <openssl/buffer.h>
65 #include <openssl/err.h>
66 #include <openssl/pem.h>
67 #include <openssl/lhash.h>
68 #include <openssl/x509.h>
69
70 static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
71 long argl, char **ret);
72
73 static X509_LOOKUP_METHOD x509_file_lookup = {
74 .name = "Load file into cache",
75 .new_item = NULL,
76 .free = NULL,
77 .init = NULL,
78 .shutdown = NULL,
79 .ctrl = by_file_ctrl,
80 .get_by_subject = NULL,
81 .get_by_issuer_serial = NULL,
82 .get_by_fingerprint = NULL,
83 .get_by_alias = NULL,
84 };
85
86 X509_LOOKUP_METHOD *
X509_LOOKUP_file(void)87 X509_LOOKUP_file(void)
88 {
89 return (&x509_file_lookup);
90 }
91
92 static int
by_file_ctrl(X509_LOOKUP * ctx,int cmd,const char * argp,long argl,char ** ret)93 by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
94 char **ret)
95 {
96 int ok = 0;
97
98 switch (cmd) {
99 case X509_L_FILE_LOAD:
100 if (argl == X509_FILETYPE_DEFAULT) {
101 ok = (X509_load_cert_crl_file(ctx,
102 X509_get_default_cert_file(),
103 X509_FILETYPE_PEM) != 0);
104 if (!ok) {
105 X509error(X509_R_LOADING_DEFAULTS);
106 }
107 } else {
108 if (argl == X509_FILETYPE_PEM)
109 ok = (X509_load_cert_crl_file(ctx, argp,
110 X509_FILETYPE_PEM) != 0);
111 else
112 ok = (X509_load_cert_file(ctx,
113 argp, (int)argl) != 0);
114 }
115 break;
116 }
117 return (ok);
118 }
119
120 int
X509_load_cert_file(X509_LOOKUP * ctx,const char * file,int type)121 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_internal());
131
132 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
133 X509error(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 if ((ERR_GET_REASON(ERR_peek_last_error()) ==
142 PEM_R_NO_START_LINE) && (count > 0)) {
143 ERR_clear_error();
144 break;
145 } else {
146 X509error(ERR_R_PEM_LIB);
147 goto err;
148 }
149 }
150 i = X509_STORE_add_cert(ctx->store_ctx, x);
151 if (!i)
152 goto err;
153 count++;
154 X509_free(x);
155 x = NULL;
156 }
157 ret = count;
158 } else if (type == X509_FILETYPE_ASN1) {
159 x = d2i_X509_bio(in, NULL);
160 if (x == NULL) {
161 X509error(ERR_R_ASN1_LIB);
162 goto err;
163 }
164 i = X509_STORE_add_cert(ctx->store_ctx, x);
165 if (!i)
166 goto err;
167 ret = i;
168 } else {
169 X509error(X509_R_BAD_X509_FILETYPE);
170 goto err;
171 }
172 err:
173 X509_free(x);
174 BIO_free(in);
175 return (ret);
176 }
177
178 int
X509_load_crl_file(X509_LOOKUP * ctx,const char * file,int type)179 X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
180 {
181 int ret = 0;
182 BIO *in = NULL;
183 int i, count = 0;
184 X509_CRL *x = NULL;
185
186 if (file == NULL)
187 return (1);
188 in = BIO_new(BIO_s_file_internal());
189
190 if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
191 X509error(ERR_R_SYS_LIB);
192 goto err;
193 }
194
195 if (type == X509_FILETYPE_PEM) {
196 for (;;) {
197 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
198 if (x == NULL) {
199 if ((ERR_GET_REASON(ERR_peek_last_error()) ==
200 PEM_R_NO_START_LINE) && (count > 0)) {
201 ERR_clear_error();
202 break;
203 } else {
204 X509error(ERR_R_PEM_LIB);
205 goto err;
206 }
207 }
208 i = X509_STORE_add_crl(ctx->store_ctx, x);
209 if (!i)
210 goto err;
211 count++;
212 X509_CRL_free(x);
213 x = NULL;
214 }
215 ret = count;
216 } else if (type == X509_FILETYPE_ASN1) {
217 x = d2i_X509_CRL_bio(in, NULL);
218 if (x == NULL) {
219 X509error(ERR_R_ASN1_LIB);
220 goto err;
221 }
222 i = X509_STORE_add_crl(ctx->store_ctx, x);
223 if (!i)
224 goto err;
225 ret = i;
226 } else {
227 X509error(X509_R_BAD_X509_FILETYPE);
228 goto err;
229 }
230 err:
231 if (x != NULL)
232 X509_CRL_free(x);
233 BIO_free(in);
234 return (ret);
235 }
236
237 int
X509_load_cert_crl_file(X509_LOOKUP * ctx,const char * file,int type)238 X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
239 {
240 STACK_OF(X509_INFO) *inf;
241 X509_INFO *itmp;
242 BIO *in;
243 int i, count = 0;
244 if (type != X509_FILETYPE_PEM)
245 return X509_load_cert_file(ctx, file, type);
246 in = BIO_new_file(file, "r");
247 if (!in) {
248 X509error(ERR_R_SYS_LIB);
249 return 0;
250 }
251 inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
252 BIO_free(in);
253 if (!inf) {
254 X509error(ERR_R_PEM_LIB);
255 return 0;
256 }
257 for (i = 0; i < sk_X509_INFO_num(inf); i++) {
258 itmp = sk_X509_INFO_value(inf, i);
259 if (itmp->x509) {
260 X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
261 count++;
262 }
263 if (itmp->crl) {
264 X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
265 count++;
266 }
267 }
268 sk_X509_INFO_pop_free(inf, X509_INFO_free);
269 return count;
270 }
271
272