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d02b48c6 | 1 | /* apps/verify.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 <stdlib.h> | |
61 | #include <string.h> | |
62 | #include "apps.h" | |
63 | #include "bio.h" | |
64 | #include "err.h" | |
65 | #include "x509.h" | |
66 | #include "pem.h" | |
67 | ||
68 | #undef PROG | |
69 | #define PROG verify_main | |
70 | ||
71 | #ifndef NOPROTO | |
72 | static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx); | |
73 | static int check(X509_STORE *ctx,char *file); | |
74 | #else | |
75 | static int MS_CALLBACK cb(); | |
76 | static int check(); | |
77 | #endif | |
78 | ||
79 | static int v_verbose=0; | |
80 | ||
81 | int MAIN(argc, argv) | |
82 | int argc; | |
83 | char **argv; | |
84 | { | |
85 | int i,ret=1; | |
86 | char *CApath=NULL,*CAfile=NULL; | |
87 | X509_STORE *cert_ctx=NULL; | |
88 | X509_LOOKUP *lookup=NULL; | |
89 | ||
90 | cert_ctx=X509_STORE_new(); | |
91 | if (cert_ctx == NULL) goto end; | |
92 | X509_STORE_set_verify_cb_func(cert_ctx,cb); | |
93 | ||
94 | ERR_load_crypto_strings(); | |
95 | ||
96 | apps_startup(); | |
97 | ||
98 | if (bio_err == NULL) | |
99 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
58964a49 | 100 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
d02b48c6 RE |
101 | |
102 | argc--; | |
103 | argv++; | |
104 | for (;;) | |
105 | { | |
106 | if (argc >= 1) | |
107 | { | |
108 | if (strcmp(*argv,"-CApath") == 0) | |
109 | { | |
110 | if (argc-- < 1) goto end; | |
111 | CApath= *(++argv); | |
112 | } | |
113 | else if (strcmp(*argv,"-CAfile") == 0) | |
114 | { | |
115 | if (argc-- < 1) goto end; | |
116 | CAfile= *(++argv); | |
117 | } | |
118 | else if (strcmp(*argv,"-help") == 0) | |
119 | goto end; | |
120 | else if (strcmp(*argv,"-verbose") == 0) | |
121 | v_verbose=1; | |
122 | else if (argv[0][0] == '-') | |
123 | goto end; | |
124 | else | |
125 | break; | |
126 | argc--; | |
127 | argv++; | |
128 | } | |
129 | else | |
130 | break; | |
131 | } | |
132 | ||
133 | lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file()); | |
134 | if (lookup == NULL) abort(); | |
135 | if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) | |
136 | X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); | |
137 | ||
138 | lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir()); | |
139 | if (lookup == NULL) abort(); | |
140 | if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) | |
141 | X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); | |
142 | ||
143 | ||
144 | if (argc < 1) check(cert_ctx,NULL); | |
145 | else | |
146 | for (i=0; i<argc; i++) | |
147 | check(cert_ctx,argv[i]); | |
148 | ret=0; | |
149 | end: | |
150 | if (ret == 1) | |
151 | BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] cert1 cert2 ...\n"); | |
152 | if (cert_ctx != NULL) X509_STORE_free(cert_ctx); | |
153 | EXIT(ret); | |
154 | } | |
155 | ||
156 | static int check(ctx,file) | |
157 | X509_STORE *ctx; | |
158 | char *file; | |
159 | { | |
160 | X509 *x=NULL; | |
161 | BIO *in=NULL; | |
162 | int i=0,ret=0; | |
163 | X509_STORE_CTX csc; | |
164 | ||
165 | in=BIO_new(BIO_s_file()); | |
166 | if (in == NULL) | |
167 | { | |
168 | ERR_print_errors(bio_err); | |
169 | goto end; | |
170 | } | |
171 | ||
172 | if (file == NULL) | |
173 | BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
174 | else | |
175 | { | |
176 | if (BIO_read_filename(in,file) <= 0) | |
177 | { | |
178 | perror(file); | |
179 | goto end; | |
180 | } | |
181 | } | |
182 | ||
183 | x=PEM_read_bio_X509(in,NULL,NULL); | |
184 | if (x == NULL) | |
185 | { | |
186 | fprintf(stdout,"%s: unable to load certificate file\n", | |
187 | (file == NULL)?"stdin":file); | |
188 | ERR_print_errors(bio_err); | |
189 | goto end; | |
190 | } | |
191 | fprintf(stdout,"%s: ",(file == NULL)?"stdin":file); | |
192 | ||
193 | X509_STORE_CTX_init(&csc,ctx,x,NULL); | |
194 | i=X509_verify_cert(&csc); | |
195 | X509_STORE_CTX_cleanup(&csc); | |
196 | ||
197 | ret=0; | |
198 | end: | |
199 | if (i) | |
200 | { | |
201 | fprintf(stdout,"OK\n"); | |
202 | ret=1; | |
203 | } | |
204 | else | |
205 | ERR_print_errors(bio_err); | |
206 | if (x != NULL) X509_free(x); | |
207 | if (in != NULL) BIO_free(in); | |
208 | ||
209 | return(ret); | |
210 | } | |
211 | ||
212 | static int MS_CALLBACK cb(ok,ctx) | |
213 | int ok; | |
214 | X509_STORE_CTX *ctx; | |
215 | { | |
216 | char buf[256]; | |
217 | ||
218 | if (!ok) | |
219 | { | |
220 | /* since we are just checking the certificates, it is | |
221 | * ok if they are self signed. */ | |
222 | if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) | |
223 | ok=1; | |
224 | else | |
225 | { | |
226 | X509_NAME_oneline( | |
227 | X509_get_subject_name(ctx->current_cert),buf,256); | |
228 | printf("%s\n",buf); | |
229 | printf("error %d at %d depth lookup:%s\n",ctx->error, | |
230 | ctx->error_depth, | |
231 | X509_verify_cert_error_string(ctx->error)); | |
232 | if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED) | |
233 | ok=1; | |
234 | } | |
235 | } | |
236 | if (!v_verbose) | |
237 | ERR_clear_error(); | |
238 | return(ok); | |
239 | } | |
240 |