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diff --git a/src/lib/libcrypto/pkcs7/verify.c b/src/lib/libcrypto/pkcs7/verify.c
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1/* crypto/pkcs7/verify.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 <stdio.h>
59#include "asn1.h"
60#include "bio.h"
61#include "x509.h"
62#include "pem.h"
63
64int verify_callback(int ok, X509_STORE_CTX *ctx);
65
66BIO *bio_err=NULL;
67
68main(argc,argv)
69int argc;
70char *argv[];
71 {
72 X509 *x509,*x;
73 PKCS7 *p7;
74 PKCS7_SIGNED *s;
75 PKCS7_SIGNER_INFO *si;
76 PKCS7_ISSUER_AND_SERIAL *ias;
77 X509_STORE_CTX cert_ctx;
78 X509_STORE *cert_store=NULL;
79 X509_LOOKUP *lookup=NULL;
80 BIO *data,*detached=NULL,*p7bio=NULL;
81 char buf[1024*4];
82 unsigned char *p,*pp;
83 int i,j,printit=0;
84 STACK *sk;
85
86 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
87 EVP_add_digest(EVP_md2());
88 EVP_add_digest(EVP_md5());
89 EVP_add_digest(EVP_sha1());
90 EVP_add_digest(EVP_mdc2());
91
92 data=BIO_new(BIO_s_file());
93again:
94 pp=NULL;
95 while (argc > 1)
96 {
97 argc--;
98 argv++;
99 if (strcmp(argv[0],"-p") == 0)
100 {
101 printit=1;
102 }
103 else if ((strcmp(argv[0],"-d") == 0) && (argc >= 2))
104 {
105 detached=BIO_new(BIO_s_file());
106 if (!BIO_read_filename(detached,argv[1]))
107 goto err;
108 argc--;
109 argv++;
110 }
111 else
112 {
113 pp=argv[0];
114 if (!BIO_read_filename(data,argv[0]))
115 goto err;
116 }
117 }
118
119 if (pp == NULL)
120 BIO_set_fp(data,stdin,BIO_NOCLOSE);
121
122
123 /* Load the PKCS7 object from a file */
124 if ((p7=PEM_read_bio_PKCS7(data,NULL,NULL)) == NULL) goto err;
125
126 /* This stuff is being setup for certificate verification.
127 * When using SSL, it could be replaced with a
128 * cert_stre=SSL_CTX_get_cert_store(ssl_ctx); */
129 cert_store=X509_STORE_new();
130 X509_STORE_set_default_paths(cert_store);
131 X509_STORE_load_locations(cert_store,NULL,"../../certs");
132 X509_STORE_set_verify_cb_func(cert_store,verify_callback);
133
134 ERR_clear_errors();
135
136 /* We need to process the data */
137 if (PKCS7_get_detached(p7))
138 {
139 if (detached == NULL)
140 {
141 printf("no data to verify the signature on\n");
142 exit(1);
143 }
144 else
145 p7bio=PKCS7_dataInit(p7,detached);
146 }
147 else
148 {
149 p7bio=PKCS7_dataInit(p7,NULL);
150 }
151
152 /* We now have to 'read' from p7bio to calculate digests etc. */
153 for (;;)
154 {
155 i=BIO_read(p7bio,buf,sizeof(buf));
156 /* print it? */
157 if (i <= 0) break;
158 }
159
160 /* We can now verify signatures */
161 sk=PKCS7_get_signer_info(p7);
162 if (sk == NULL)
163 {
164 printf("there are no signatures on this data\n");
165 exit(1);
166 }
167
168 /* Ok, first we need to, for each subject entry, see if we can verify */
169 for (i=0; i<sk_num(sk); i++)
170 {
171 si=(PKCS7_SIGNER_INFO *)sk_value(sk,i);
172 i=PKCS7_dataVerify(cert_store,&cert_ctx,p7bio,p7,si);
173 if (i <= 0)
174 goto err;
175 }
176
177 X509_STORE_free(cert_store);
178
179 printf("done\n");
180 exit(0);
181err:
182 ERR_load_crypto_strings();
183 ERR_print_errors_fp(stderr);
184 exit(1);
185 }
186
187/* should be X509 * but we can just have them as char *. */
188int verify_callback(ok, ctx)
189int ok;
190X509_STORE_CTX *ctx;
191 {
192 char buf[256];
193 X509 *err_cert;
194 int err,depth;
195
196 err_cert=X509_STORE_CTX_get_current_cert(ctx);
197 err= X509_STORE_CTX_get_error(ctx);
198 depth= X509_STORE_CTX_get_error_depth(ctx);
199
200 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
201 BIO_printf(bio_err,"depth=%d %s\n",depth,buf);
202 if (!ok)
203 {
204 BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
205 X509_verify_cert_error_string(err));
206 if (depth < 6)
207 {
208 ok=1;
209 X509_STORE_CTX_set_error(ctx,X509_V_OK);
210 }
211 else
212 {
213 ok=0;
214 X509_STORE_CTX_set_error(ctx,X509_V_ERR_CERT_CHAIN_TOO_LONG);
215 }
216 }
217 switch (ctx->error)
218 {
219 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
220 X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256);
221 BIO_printf(bio_err,"issuer= %s\n",buf);
222 break;
223 case X509_V_ERR_CERT_NOT_YET_VALID:
224 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
225 BIO_printf(bio_err,"notBefore=");
226 ASN1_UTCTIME_print(bio_err,X509_get_notBefore(ctx->current_cert));
227 BIO_printf(bio_err,"\n");
228 break;
229 case X509_V_ERR_CERT_HAS_EXPIRED:
230 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
231 BIO_printf(bio_err,"notAfter=");
232 ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ctx->current_cert));
233 BIO_printf(bio_err,"\n");
234 break;
235 }
236 BIO_printf(bio_err,"verify return:%d\n",ok);
237 return(ok);
238 }
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