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, int show_chain);
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 STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
87 STACK_OF(X509_CRL) *crls = NULL;
88 X509_STORE *cert_ctx=NULL;
89 X509_LOOKUP *lookup=NULL;
90 X509_VERIFY_PARAM *vpm = NULL;
91 int crl_download = 0, show_chain = 0;
92 #ifndef OPENSSL_NO_ENGINE
96 cert_ctx=X509_STORE_new();
97 if (cert_ctx == NULL) goto end;
98 X509_STORE_set_verify_cb(cert_ctx,cb);
100 ERR_load_crypto_strings();
105 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
106 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
108 if (!load_config(bio_err, NULL))
117 if (strcmp(*argv,"-CApath") == 0)
119 if (argc-- < 1) goto end;
122 else if (strcmp(*argv,"-CAfile") == 0)
124 if (argc-- < 1) goto end;
127 else if (args_verify(&argv, &argc, &badarg, bio_err,
134 else if (strcmp(*argv,"-untrusted") == 0)
136 if (argc-- < 1) goto end;
139 else if (strcmp(*argv,"-trusted") == 0)
141 if (argc-- < 1) goto end;
142 trustfile= *(++argv);
144 else if (strcmp(*argv,"-CRLfile") == 0)
146 if (argc-- < 1) goto end;
149 else if (strcmp(*argv,"-crl_download") == 0)
151 else if (strcmp(*argv,"-show_chain") == 0)
153 #ifndef OPENSSL_NO_ENGINE
154 else if (strcmp(*argv,"-engine") == 0)
156 if (--argc < 1) goto end;
160 else if (strcmp(*argv,"-help") == 0)
162 else if (strcmp(*argv,"-verbose") == 0)
164 else if (argv[0][0] == '-')
175 #ifndef OPENSSL_NO_ENGINE
176 e = setup_engine(bio_err, engine, 0);
180 X509_STORE_set1_param(cert_ctx, vpm);
182 lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
183 if (lookup == NULL) abort();
185 i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);
187 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
188 ERR_print_errors(bio_err);
191 } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
193 lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
194 if (lookup == NULL) abort();
196 i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);
198 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
199 ERR_print_errors(bio_err);
202 } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
208 untrusted = load_certs(bio_err, untfile, FORMAT_PEM,
209 NULL, e, "untrusted certificates");
216 trusted = load_certs(bio_err, trustfile, FORMAT_PEM,
217 NULL, e, "trusted certificates");
224 crls = load_crls(bio_err, crlfile, FORMAT_PEM,
225 NULL, e, "other CRLs");
231 store_setup_crl_download(cert_ctx);
236 if (1 != check(cert_ctx, NULL, untrusted, trusted, crls, e, show_chain))
241 for (i=0; i<argc; i++)
242 if (1 != check(cert_ctx,argv[i], untrusted, trusted, crls, e, show_chain))
248 BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] [-trusted_first] [-purpose purpose] [-crl_check]");
249 #ifndef OPENSSL_NO_ENGINE
250 BIO_printf(bio_err," [-engine e]");
252 BIO_printf(bio_err," cert1 cert2 ...\n");
254 BIO_printf(bio_err,"recognized usages:\n");
255 for(i = 0; i < X509_PURPOSE_get_count(); i++)
258 ptmp = X509_PURPOSE_get0(i);
259 BIO_printf(bio_err, "\t%-10s\t%s\n",
260 X509_PURPOSE_get0_sname(ptmp),
261 X509_PURPOSE_get0_name(ptmp));
264 BIO_printf(bio_err,"recognized verify names:\n");
265 for(i = 0; i < X509_VERIFY_PARAM_get_count(); i++)
267 const X509_VERIFY_PARAM *vptmp;
268 vptmp = X509_VERIFY_PARAM_get0(i);
269 BIO_printf(bio_err, "\t%-10s\n",
270 X509_VERIFY_PARAM_get0_name(vptmp));
274 if (vpm) X509_VERIFY_PARAM_free(vpm);
275 if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
276 sk_X509_pop_free(untrusted, X509_free);
277 sk_X509_pop_free(trusted, X509_free);
278 sk_X509_CRL_pop_free(crls, X509_CRL_free);
280 OPENSSL_EXIT(ret < 0 ? 2 : ret);
283 static int check(X509_STORE *ctx, char *file,
284 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
285 STACK_OF(X509_CRL) *crls, ENGINE *e, int show_chain)
290 STACK_OF(X509) *chain = NULL;
292 x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
295 fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);
297 csc = X509_STORE_CTX_new();
300 ERR_print_errors(bio_err);
303 X509_STORE_set_flags(ctx, vflags);
304 if(!X509_STORE_CTX_init(csc,ctx,x,uchain))
306 ERR_print_errors(bio_err);
309 if(tchain) X509_STORE_CTX_trusted_stack(csc, tchain);
311 X509_STORE_CTX_set0_crls(csc, crls);
312 i=X509_verify_cert(csc);
313 if (i > 0 && show_chain)
314 chain = X509_STORE_CTX_get1_chain(csc);
315 X509_STORE_CTX_free(csc);
321 fprintf(stdout,"OK\n");
325 ERR_print_errors(bio_err);
329 for (i = 0; i < sk_X509_num(chain); i++)
331 X509 *cert = sk_X509_value(chain, i);
332 printf("depth=%d: ", i);
333 X509_NAME_print_ex_fp(stdout,
334 X509_get_subject_name(cert),
338 sk_X509_pop_free(chain, X509_free);
340 if (x != NULL) X509_free(x);
345 static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
347 int cert_error = X509_STORE_CTX_get_error(ctx);
348 X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
354 X509_NAME_print_ex_fp(stdout,
355 X509_get_subject_name(current_cert),
359 printf("%serror %d at %d depth lookup:%s\n",
360 X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
362 X509_STORE_CTX_get_error_depth(ctx),
363 X509_verify_cert_error_string(cert_error));
366 case X509_V_ERR_NO_EXPLICIT_POLICY:
367 policies_print(NULL, ctx);
368 case X509_V_ERR_CERT_HAS_EXPIRED:
370 /* since we are just checking the certificates, it is
371 * ok if they are self signed. But we should still warn
375 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
376 /* Continue after extension errors too */
377 case X509_V_ERR_INVALID_CA:
378 case X509_V_ERR_INVALID_NON_CA:
379 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
380 case X509_V_ERR_INVALID_PURPOSE:
381 case X509_V_ERR_CRL_HAS_EXPIRED:
382 case X509_V_ERR_CRL_NOT_YET_VALID:
383 case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
391 if (cert_error == X509_V_OK && ok == 2)
392 policies_print(NULL, ctx);