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, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose);
74 static STACK_OF(X509) *load_untrusted(char *file);
75 static int v_verbose=0, issuer_checks = 0;
77 int MAIN(int, char **);
79 int MAIN(int argc, char **argv)
83 char *CApath=NULL,*CAfile=NULL;
84 char *untfile = NULL, *trustfile = NULL;
85 STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
86 X509_STORE *cert_ctx=NULL;
87 X509_LOOKUP *lookup=NULL;
89 cert_ctx=X509_STORE_new();
90 if (cert_ctx == NULL) goto end;
91 X509_STORE_set_verify_cb_func(cert_ctx,cb);
93 ERR_load_crypto_strings();
98 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
99 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
107 if (strcmp(*argv,"-CApath") == 0)
109 if (argc-- < 1) goto end;
112 else if (strcmp(*argv,"-CAfile") == 0)
114 if (argc-- < 1) goto end;
117 else if (strcmp(*argv,"-purpose") == 0)
120 if (argc-- < 1) goto end;
121 i = X509_PURPOSE_get_by_sname(*(++argv));
124 BIO_printf(bio_err, "unrecognized purpose\n");
127 xptmp = X509_PURPOSE_get0(i);
128 purpose = X509_PURPOSE_get_id(xptmp);
130 else if (strcmp(*argv,"-untrusted") == 0)
132 if (argc-- < 1) goto end;
135 else if (strcmp(*argv,"-trusted") == 0)
137 if (argc-- < 1) goto end;
138 trustfile= *(++argv);
140 else if (strcmp(*argv,"-help") == 0)
142 else if (strcmp(*argv,"-issuer_checks") == 0)
144 else if (strcmp(*argv,"-verbose") == 0)
146 else if (argv[0][0] == '-')
157 lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
158 if (lookup == NULL) abort();
160 i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);
162 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
163 ERR_print_errors(bio_err);
166 } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
168 lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
169 if (lookup == NULL) abort();
171 i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);
173 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
174 ERR_print_errors(bio_err);
177 } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
182 if(!(untrusted = load_untrusted(untfile))) {
183 BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile);
184 ERR_print_errors(bio_err);
190 if(!(trusted = load_untrusted(trustfile))) {
191 BIO_printf(bio_err, "Error loading untrusted file %s\n", trustfile);
192 ERR_print_errors(bio_err);
197 if (argc < 1) check(cert_ctx, NULL, untrusted, trusted, purpose);
199 for (i=0; i<argc; i++)
200 check(cert_ctx,argv[i], untrusted, trusted, purpose);
204 BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] cert1 cert2 ...\n");
205 BIO_printf(bio_err,"recognized usages:\n");
206 for(i = 0; i < X509_PURPOSE_get_count(); i++) {
208 ptmp = X509_PURPOSE_get0(i);
209 BIO_printf(bio_err, "\t%-10s\t%s\n", X509_PURPOSE_get0_sname(ptmp),
210 X509_PURPOSE_get0_name(ptmp));
213 if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
214 sk_X509_pop_free(untrusted, X509_free);
215 sk_X509_pop_free(trusted, X509_free);
219 static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose)
226 in=BIO_new(BIO_s_file());
229 ERR_print_errors(bio_err);
234 BIO_set_fp(in,stdin,BIO_NOCLOSE);
237 if (BIO_read_filename(in,file) <= 0)
244 x=PEM_read_bio_X509(in,NULL,NULL,NULL);
247 fprintf(stdout,"%s: unable to load certificate file\n",
248 (file == NULL)?"stdin":file);
249 ERR_print_errors(bio_err);
252 fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);
254 csc = X509_STORE_CTX_new();
257 ERR_print_errors(bio_err);
260 X509_STORE_CTX_init(csc,ctx,x,uchain);
261 if(tchain) X509_STORE_CTX_trusted_stack(csc, tchain);
262 if(purpose >= 0) X509_STORE_CTX_set_purpose(csc, purpose);
264 X509_STORE_CTX_set_flags(csc, X509_V_FLAG_CB_ISSUER_CHECK);
265 i=X509_verify_cert(csc);
266 X509_STORE_CTX_free(csc);
272 fprintf(stdout,"OK\n");
276 ERR_print_errors(bio_err);
277 if (x != NULL) X509_free(x);
278 if (in != NULL) BIO_free(in);
283 static STACK_OF(X509) *load_untrusted(char *certfile)
285 STACK_OF(X509_INFO) *sk=NULL;
286 STACK_OF(X509) *stack=NULL, *ret=NULL;
290 if(!(stack = sk_X509_new_null())) {
291 BIO_printf(bio_err,"memory allocation failure\n");
295 if(!(in=BIO_new_file(certfile, "r"))) {
296 BIO_printf(bio_err,"error opening the file, %s\n",certfile);
300 /* This loads from a file, a stack of x509/crl/pkey sets */
301 if(!(sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) {
302 BIO_printf(bio_err,"error reading the file, %s\n",certfile);
306 /* scan over it and pull out the certs */
307 while (sk_X509_INFO_num(sk))
309 xi=sk_X509_INFO_shift(sk);
310 if (xi->x509 != NULL)
312 sk_X509_push(stack,xi->x509);
317 if(!sk_X509_num(stack)) {
318 BIO_printf(bio_err,"no certificates in file, %s\n",certfile);
325 sk_X509_INFO_free(sk);
329 static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
336 X509_get_subject_name(ctx->current_cert),buf,256);
338 printf("error %d at %d depth lookup:%s\n",ctx->error,
340 X509_verify_cert_error_string(ctx->error));
341 if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED) ok=1;
342 /* since we are just checking the certificates, it is
343 * ok if they are self signed. But we should still warn
346 if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
347 /* Continue after extension errors too */
348 if (ctx->error == X509_V_ERR_INVALID_CA) ok=1;
349 if (ctx->error == X509_V_ERR_PATH_LENGTH_EXCEEDED) ok=1;
350 if (ctx->error == X509_V_ERR_INVALID_PURPOSE) ok=1;
351 if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;