2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
63 #include <openssl/bio.h>
64 #include <openssl/err.h>
65 #include <openssl/x509.h>
66 #include <openssl/x509v3.h>
67 #include <openssl/pem.h>
70 #define PROG verify_main
72 static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
73 static int check(X509_STORE *ctx, char *file,
74 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
75 STACK_OF(X509_CRL) *crls, ENGINE *e, time_t at_time);
76 static int v_verbose=0, vflags = 0;
78 int MAIN(int, char **);
80 int MAIN(int argc, char **argv)
83 int i,ret=1, badarg = 0;
84 char *CApath=NULL,*CAfile=NULL;
85 char *untfile = NULL, *trustfile = NULL, *crlfile = NULL;
86 char *checktime_string = NULL;
89 STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
90 STACK_OF(X509_CRL) *crls = NULL;
91 X509_STORE *cert_ctx=NULL;
92 X509_LOOKUP *lookup=NULL;
93 X509_VERIFY_PARAM *vpm = NULL;
94 #ifndef OPENSSL_NO_ENGINE
98 cert_ctx=X509_STORE_new();
99 if (cert_ctx == NULL) goto end;
100 X509_STORE_set_verify_cb(cert_ctx,cb);
102 ERR_load_crypto_strings();
107 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
108 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
110 if (!load_config(bio_err, NULL))
119 if (strcmp(*argv,"-CApath") == 0)
121 if (argc-- < 1) goto end;
124 else if (strcmp(*argv,"-CAfile") == 0)
126 if (argc-- < 1) goto end;
129 else if (args_verify(&argv, &argc, &badarg, bio_err,
136 else if (strcmp(*argv,"-untrusted") == 0)
138 if (argc-- < 1) goto end;
141 else if (strcmp(*argv,"-trusted") == 0)
143 if (argc-- < 1) goto end;
144 trustfile= *(++argv);
146 else if (strcmp(*argv,"-CRLfile") == 0)
148 if (argc-- < 1) goto end;
151 else if (strcmp(*argv,"-attime") == 0)
153 if (argc-- < 1) goto end;
154 checktime_string= *(++argv);
156 #ifndef OPENSSL_NO_ENGINE
157 else if (strcmp(*argv,"-engine") == 0)
159 if (--argc < 1) goto end;
163 else if (strcmp(*argv,"-help") == 0)
165 else if (strcmp(*argv,"-verbose") == 0)
167 else if (argv[0][0] == '-')
178 #ifndef OPENSSL_NO_ENGINE
179 e = setup_engine(bio_err, engine, 0);
183 X509_STORE_set1_param(cert_ctx, vpm);
185 lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
186 if (lookup == NULL) abort();
188 i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);
190 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
191 ERR_print_errors(bio_err);
194 } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
196 lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
197 if (lookup == NULL) abort();
199 i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);
201 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
202 ERR_print_errors(bio_err);
205 } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
211 untrusted = load_certs(bio_err, untfile, FORMAT_PEM,
212 NULL, e, "untrusted certificates");
219 trusted = load_certs(bio_err, trustfile, FORMAT_PEM,
220 NULL, e, "trusted certificates");
227 crls = load_crls(bio_err, crlfile, FORMAT_PEM,
228 NULL, e, "other CRLs");
235 /* interpret the -attime argument as seconds since Epoch */
236 if (sscanf(checktime_string, "%li", ×tamp) != 1)
238 BIO_printf(bio_err, "Error parsing timestamp %s\n",
240 ERR_print_errors(bio_err);
243 t = (time_t) timestamp; /* on some platforms time_t may be a float */
246 if (argc < 1) check(cert_ctx, NULL, untrusted, trusted, crls, e, t);
248 for (i=0; i<argc; i++)
249 check(cert_ctx,argv[i], untrusted, trusted, crls, e, t);
253 BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] [-crl_check]");
254 BIO_printf(bio_err," [-attime timestamp]");
255 #ifndef OPENSSL_NO_ENGINE
256 BIO_printf(bio_err," [-engine e]");
258 BIO_printf(bio_err," cert1 cert2 ...\n");
259 BIO_printf(bio_err,"recognized usages:\n");
260 for(i = 0; i < X509_PURPOSE_get_count(); i++) {
262 ptmp = X509_PURPOSE_get0(i);
263 BIO_printf(bio_err, "\t%-10s\t%s\n", X509_PURPOSE_get0_sname(ptmp),
264 X509_PURPOSE_get0_name(ptmp));
267 if (vpm) X509_VERIFY_PARAM_free(vpm);
268 if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
269 sk_X509_pop_free(untrusted, X509_free);
270 sk_X509_pop_free(trusted, X509_free);
271 sk_X509_CRL_pop_free(crls, X509_CRL_free);
276 static int check(X509_STORE *ctx, char *file,
277 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
278 STACK_OF(X509_CRL) *crls, ENGINE *e, time_t at_time)
284 x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
287 fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);
289 csc = X509_STORE_CTX_new();
292 ERR_print_errors(bio_err);
295 X509_STORE_set_flags(ctx, vflags);
296 if(!X509_STORE_CTX_init(csc,ctx,x,uchain))
298 ERR_print_errors(bio_err);
301 if(tchain) X509_STORE_CTX_trusted_stack(csc, tchain);
303 X509_STORE_CTX_set0_crls(csc, crls);
305 X509_STORE_CTX_set_time(csc, 0, at_time);
307 i=X509_verify_cert(csc);
308 X509_STORE_CTX_free(csc);
314 fprintf(stdout,"OK\n");
318 ERR_print_errors(bio_err);
319 if (x != NULL) X509_free(x);
324 static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
326 int cert_error = X509_STORE_CTX_get_error(ctx);
327 X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
333 X509_NAME_print_ex_fp(stdout,
334 X509_get_subject_name(current_cert),
338 printf("%serror %d at %d depth lookup:%s\n",
339 X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
341 X509_STORE_CTX_get_error_depth(ctx),
342 X509_verify_cert_error_string(cert_error));
345 case X509_V_ERR_NO_EXPLICIT_POLICY:
346 policies_print(NULL, ctx);
347 case X509_V_ERR_CERT_HAS_EXPIRED:
349 /* since we are just checking the certificates, it is
350 * ok if they are self signed. But we should still warn
354 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
355 /* Continue after extension errors too */
356 case X509_V_ERR_INVALID_CA:
357 case X509_V_ERR_INVALID_NON_CA:
358 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
359 case X509_V_ERR_INVALID_PURPOSE:
360 case X509_V_ERR_CRL_HAS_EXPIRED:
361 case X509_V_ERR_CRL_NOT_YET_VALID:
362 case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
370 if (cert_error == X509_V_OK && ok == 2)
371 policies_print(NULL, ctx);