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>
68 #include <openssl/engine.h>
71 #define PROG verify_main
73 static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
74 static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose);
75 static STACK_OF(X509) *load_untrusted(char *file);
76 static int v_verbose=0, issuer_checks = 0;
78 int MAIN(int, char **);
80 int MAIN(int argc, char **argv)
85 char *CApath=NULL,*CAfile=NULL;
86 char *untfile = NULL, *trustfile = NULL;
87 STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
88 X509_STORE *cert_ctx=NULL;
89 X509_LOOKUP *lookup=NULL;
92 cert_ctx=X509_STORE_new();
93 if (cert_ctx == NULL) goto end;
94 X509_STORE_set_verify_cb_func(cert_ctx,cb);
96 ERR_load_crypto_strings();
101 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
102 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
110 if (strcmp(*argv,"-CApath") == 0)
112 if (argc-- < 1) goto end;
115 else if (strcmp(*argv,"-CAfile") == 0)
117 if (argc-- < 1) goto end;
120 else if (strcmp(*argv,"-purpose") == 0)
123 if (argc-- < 1) goto end;
124 i = X509_PURPOSE_get_by_sname(*(++argv));
127 BIO_printf(bio_err, "unrecognized purpose\n");
130 xptmp = X509_PURPOSE_get0(i);
131 purpose = X509_PURPOSE_get_id(xptmp);
133 else if (strcmp(*argv,"-untrusted") == 0)
135 if (argc-- < 1) goto end;
138 else if (strcmp(*argv,"-trusted") == 0)
140 if (argc-- < 1) goto end;
141 trustfile= *(++argv);
143 else if (strcmp(*argv,"-engine") == 0)
145 if (--argc < 1) goto end;
148 else if (strcmp(*argv,"-help") == 0)
150 else if (strcmp(*argv,"-issuer_checks") == 0)
152 else if (strcmp(*argv,"-verbose") == 0)
154 else if (argv[0][0] == '-')
167 if((e = ENGINE_by_id(engine)) == NULL)
169 BIO_printf(bio_err,"invalid engine \"%s\"\n",
173 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
175 BIO_printf(bio_err,"can't use that engine\n");
178 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
179 /* Free our "structural" reference. */
183 lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
184 if (lookup == NULL) abort();
186 i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);
188 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
189 ERR_print_errors(bio_err);
192 } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
194 lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
195 if (lookup == NULL) abort();
197 i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);
199 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
200 ERR_print_errors(bio_err);
203 } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
208 if(!(untrusted = load_untrusted(untfile))) {
209 BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile);
210 ERR_print_errors(bio_err);
216 if(!(trusted = load_untrusted(trustfile))) {
217 BIO_printf(bio_err, "Error loading untrusted file %s\n", trustfile);
218 ERR_print_errors(bio_err);
223 if (argc < 1) check(cert_ctx, NULL, untrusted, trusted, purpose);
225 for (i=0; i<argc; i++)
226 check(cert_ctx,argv[i], untrusted, trusted, purpose);
230 BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] [-engine e] cert1 cert2 ...\n");
231 BIO_printf(bio_err,"recognized usages:\n");
232 for(i = 0; i < X509_PURPOSE_get_count(); i++) {
234 ptmp = X509_PURPOSE_get0(i);
235 BIO_printf(bio_err, "\t%-10s\t%s\n", X509_PURPOSE_get0_sname(ptmp),
236 X509_PURPOSE_get0_name(ptmp));
239 if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
240 sk_X509_pop_free(untrusted, X509_free);
241 sk_X509_pop_free(trusted, X509_free);
245 static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose)
252 in=BIO_new(BIO_s_file());
255 ERR_print_errors(bio_err);
260 BIO_set_fp(in,stdin,BIO_NOCLOSE);
263 if (BIO_read_filename(in,file) <= 0)
270 x=PEM_read_bio_X509(in,NULL,NULL,NULL);
273 fprintf(stdout,"%s: unable to load certificate file\n",
274 (file == NULL)?"stdin":file);
275 ERR_print_errors(bio_err);
278 fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);
280 csc = X509_STORE_CTX_new();
283 ERR_print_errors(bio_err);
286 X509_STORE_CTX_init(csc,ctx,x,uchain);
287 if(tchain) X509_STORE_CTX_trusted_stack(csc, tchain);
288 if(purpose >= 0) X509_STORE_CTX_set_purpose(csc, purpose);
290 X509_STORE_CTX_set_flags(csc, X509_V_FLAG_CB_ISSUER_CHECK);
291 i=X509_verify_cert(csc);
292 X509_STORE_CTX_free(csc);
298 fprintf(stdout,"OK\n");
302 ERR_print_errors(bio_err);
303 if (x != NULL) X509_free(x);
304 if (in != NULL) BIO_free(in);
309 static STACK_OF(X509) *load_untrusted(char *certfile)
311 STACK_OF(X509_INFO) *sk=NULL;
312 STACK_OF(X509) *stack=NULL, *ret=NULL;
316 if(!(stack = sk_X509_new_null())) {
317 BIO_printf(bio_err,"memory allocation failure\n");
321 if(!(in=BIO_new_file(certfile, "r"))) {
322 BIO_printf(bio_err,"error opening the file, %s\n",certfile);
326 /* This loads from a file, a stack of x509/crl/pkey sets */
327 if(!(sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) {
328 BIO_printf(bio_err,"error reading the file, %s\n",certfile);
332 /* scan over it and pull out the certs */
333 while (sk_X509_INFO_num(sk))
335 xi=sk_X509_INFO_shift(sk);
336 if (xi->x509 != NULL)
338 sk_X509_push(stack,xi->x509);
343 if(!sk_X509_num(stack)) {
344 BIO_printf(bio_err,"no certificates in file, %s\n",certfile);
351 sk_X509_INFO_free(sk);
355 static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
362 X509_get_subject_name(ctx->current_cert),buf,256);
364 printf("error %d at %d depth lookup:%s\n",ctx->error,
366 X509_verify_cert_error_string(ctx->error));
367 if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED) ok=1;
368 /* since we are just checking the certificates, it is
369 * ok if they are self signed. But we should still warn
372 if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
373 /* Continue after extension errors too */
374 if (ctx->error == X509_V_ERR_INVALID_CA) ok=1;
375 if (ctx->error == X509_V_ERR_PATH_LENGTH_EXCEEDED) ok=1;
376 if (ctx->error == X509_V_ERR_INVALID_PURPOSE) ok=1;
377 if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;