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  • Committer: Bazaar Package Importer
  • Author(s): Christoph Martin
  • Date: 2004-05-24 17:02:29 UTC
  • Revision ID: james.westby@ubuntu.com-20040524170229-ixlo08bbbly0xied
Tags: upstream-0.9.7d
Import upstream version 0.9.7d

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crypto/x509/by_file.c
 
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
        {
 
75
        "Load file into cache",
 
76
        NULL,           /* new */
 
77
        NULL,           /* free */
 
78
        NULL,           /* init */
 
79
        NULL,           /* shutdown */
 
80
        by_file_ctrl,   /* ctrl */
 
81
        NULL,           /* get_by_subject */
 
82
        NULL,           /* get_by_issuer_serial */
 
83
        NULL,           /* get_by_fingerprint */
 
84
        NULL,           /* get_by_alias */
 
85
        };
 
86
 
 
87
X509_LOOKUP_METHOD *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,
 
93
             char **ret)
 
94
        {
 
95
        int ok=0;
 
96
        char *file;
 
97
 
 
98
        switch (cmd)
 
99
                {
 
100
        case X509_L_FILE_LOAD:
 
101
                if (argl == X509_FILETYPE_DEFAULT)
 
102
                        {
 
103
                        file = (char *)Getenv(X509_get_default_cert_file_env());
 
104
                        if (file)
 
105
                                ok = (X509_load_cert_crl_file(ctx,file,
 
106
                                              X509_FILETYPE_PEM) != 0);
 
107
 
 
108
                        else
 
109
                                ok = (X509_load_cert_crl_file(ctx,X509_get_default_cert_file(),
 
110
                                              X509_FILETYPE_PEM) != 0);
 
111
 
 
112
                        if (!ok)
 
113
                                {
 
114
                                X509err(X509_F_BY_FILE_CTRL,X509_R_LOADING_DEFAULTS);
 
115
                                }
 
116
                        }
 
117
                else
 
118
                        {
 
119
                        if(argl == X509_FILETYPE_PEM)
 
120
                                ok = (X509_load_cert_crl_file(ctx,argp,
 
121
                                        X509_FILETYPE_PEM) != 0);
 
122
                        else
 
123
                                ok = (X509_load_cert_file(ctx,argp,(int)argl) != 0);
 
124
                        }
 
125
                break;
 
126
                }
 
127
        return(ok);
 
128
        }
 
129
 
 
130
int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
 
131
        {
 
132
        int ret=0;
 
133
        BIO *in=NULL;
 
134
        int i,count=0;
 
135
        X509 *x=NULL;
 
136
 
 
137
        if (file == NULL) return(1);
 
138
        in=BIO_new(BIO_s_file_internal());
 
139
 
 
140
        if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
 
141
                {
 
142
                X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_SYS_LIB);
 
143
                goto err;
 
144
                }
 
145
 
 
146
        if (type == X509_FILETYPE_PEM)
 
147
                {
 
148
                for (;;)
 
149
                        {
 
150
                        x=PEM_read_bio_X509_AUX(in,NULL,NULL,NULL);
 
151
                        if (x == NULL)
 
152
                                {
 
153
                                if ((ERR_GET_REASON(ERR_peek_error()) ==
 
154
                                        PEM_R_NO_START_LINE) && (count > 0))
 
155
                                        {
 
156
                                        ERR_clear_error();
 
157
                                        break;
 
158
                                        }
 
159
                                else
 
160
                                        {
 
161
                                        X509err(X509_F_X509_LOAD_CERT_FILE,
 
162
                                                ERR_R_PEM_LIB);
 
163
                                        goto err;
 
164
                                        }
 
165
                                }
 
166
                        i=X509_STORE_add_cert(ctx->store_ctx,x);
 
167
                        if (!i) goto err;
 
168
                        count++;
 
169
                        X509_free(x);
 
170
                        x=NULL;
 
171
                        }
 
172
                ret=count;
 
173
                }
 
174
        else if (type == X509_FILETYPE_ASN1)
 
175
                {
 
176
                x=d2i_X509_bio(in,NULL);
 
177
                if (x == NULL)
 
178
                        {
 
179
                        X509err(X509_F_X509_LOAD_CERT_FILE,ERR_R_ASN1_LIB);
 
180
                        goto err;
 
181
                        }
 
182
                i=X509_STORE_add_cert(ctx->store_ctx,x);
 
183
                if (!i) goto err;
 
184
                ret=i;
 
185
                }
 
186
        else
 
187
                {
 
188
                X509err(X509_F_X509_LOAD_CERT_FILE,X509_R_BAD_X509_FILETYPE);
 
189
                goto err;
 
190
                }
 
191
err:
 
192
        if (x != NULL) X509_free(x);
 
193
        if (in != NULL) BIO_free(in);
 
194
        return(ret);
 
195
        }
 
196
 
 
197
int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
 
198
        {
 
199
        int ret=0;
 
200
        BIO *in=NULL;
 
201
        int i,count=0;
 
202
        X509_CRL *x=NULL;
 
203
 
 
204
        if (file == NULL) return(1);
 
205
        in=BIO_new(BIO_s_file_internal());
 
206
 
 
207
        if ((in == NULL) || (BIO_read_filename(in,file) <= 0))
 
208
                {
 
209
                X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_SYS_LIB);
 
210
                goto err;
 
211
                }
 
212
 
 
213
        if (type == X509_FILETYPE_PEM)
 
214
                {
 
215
                for (;;)
 
216
                        {
 
217
                        x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
 
218
                        if (x == NULL)
 
219
                                {
 
220
                                if ((ERR_GET_REASON(ERR_peek_error()) ==
 
221
                                        PEM_R_NO_START_LINE) && (count > 0))
 
222
                                        {
 
223
                                        ERR_clear_error();
 
224
                                        break;
 
225
                                        }
 
226
                                else
 
227
                                        {
 
228
                                        X509err(X509_F_X509_LOAD_CRL_FILE,
 
229
                                                ERR_R_PEM_LIB);
 
230
                                        goto err;
 
231
                                        }
 
232
                                }
 
233
                        i=X509_STORE_add_crl(ctx->store_ctx,x);
 
234
                        if (!i) goto err;
 
235
                        count++;
 
236
                        X509_CRL_free(x);
 
237
                        x=NULL;
 
238
                        }
 
239
                ret=count;
 
240
                }
 
241
        else if (type == X509_FILETYPE_ASN1)
 
242
                {
 
243
                x=d2i_X509_CRL_bio(in,NULL);
 
244
                if (x == NULL)
 
245
                        {
 
246
                        X509err(X509_F_X509_LOAD_CRL_FILE,ERR_R_ASN1_LIB);
 
247
                        goto err;
 
248
                        }
 
249
                i=X509_STORE_add_crl(ctx->store_ctx,x);
 
250
                if (!i) goto err;
 
251
                ret=i;
 
252
                }
 
253
        else
 
254
                {
 
255
                X509err(X509_F_X509_LOAD_CRL_FILE,X509_R_BAD_X509_FILETYPE);
 
256
                goto err;
 
257
                }
 
258
err:
 
259
        if (x != NULL) X509_CRL_free(x);
 
260
        if (in != NULL) BIO_free(in);
 
261
        return(ret);
 
262
        }
 
263
 
 
264
int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
 
265
{
 
266
        STACK_OF(X509_INFO) *inf;
 
267
        X509_INFO *itmp;
 
268
        BIO *in;
 
269
        int i, count = 0;
 
270
        if(type != X509_FILETYPE_PEM)
 
271
                return X509_load_cert_file(ctx, file, type);
 
272
        in = BIO_new_file(file, "r");
 
273
        if(!in) {
 
274
                X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_SYS_LIB);
 
275
                return 0;
 
276
        }
 
277
        inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
 
278
        BIO_free(in);
 
279
        if(!inf) {
 
280
                X509err(X509_F_X509_LOAD_CERT_CRL_FILE,ERR_R_PEM_LIB);
 
281
                return 0;
 
282
        }
 
283
        for(i = 0; i < sk_X509_INFO_num(inf); i++) {
 
284
                itmp = sk_X509_INFO_value(inf, i);
 
285
                if(itmp->x509) {
 
286
                        X509_STORE_add_cert(ctx->store_ctx, itmp->x509);
 
287
                        count++;
 
288
                }
 
289
                if(itmp->crl) {
 
290
                        X509_STORE_add_crl(ctx->store_ctx, itmp->crl);
 
291
                        count++;
 
292
                }
 
293
        }
 
294
        sk_X509_INFO_pop_free(inf, X509_INFO_free);
 
295
        return count;
 
296
}
 
297
 
 
298
 
 
299
#endif /* OPENSSL_NO_STDIO */
 
300