341 lines
11 KiB
C
341 lines
11 KiB
C
/* apps/verify.c */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "apps.h"
|
|
#include <openssl/bio.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/x509v3.h>
|
|
#include <openssl/pem.h>
|
|
|
|
#undef PROG
|
|
#define PROG verify_main
|
|
|
|
static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
|
|
static int check(X509_STORE *ctx, char *file,
|
|
STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
|
|
STACK_OF(X509_CRL) *crls, ENGINE *e);
|
|
static int v_verbose = 0, vflags = 0;
|
|
|
|
int MAIN(int, char **);
|
|
|
|
int MAIN(int argc, char **argv)
|
|
{
|
|
ENGINE *e = NULL;
|
|
int i, ret = 1, badarg = 0;
|
|
char *CApath = NULL, *CAfile = NULL;
|
|
char *untfile = NULL, *trustfile = NULL, *crlfile = NULL;
|
|
STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
|
|
STACK_OF(X509_CRL) *crls = NULL;
|
|
X509_STORE *cert_ctx = NULL;
|
|
X509_LOOKUP *lookup = NULL;
|
|
X509_VERIFY_PARAM *vpm = NULL;
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
char *engine = NULL;
|
|
#endif
|
|
|
|
cert_ctx = X509_STORE_new();
|
|
if (cert_ctx == NULL)
|
|
goto end;
|
|
X509_STORE_set_verify_cb(cert_ctx, cb);
|
|
|
|
ERR_load_crypto_strings();
|
|
|
|
apps_startup();
|
|
|
|
if (bio_err == NULL)
|
|
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
|
|
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
|
|
|
|
if (!load_config(bio_err, NULL))
|
|
goto end;
|
|
|
|
argc--;
|
|
argv++;
|
|
for (;;) {
|
|
if (argc >= 1) {
|
|
if (strcmp(*argv, "-CApath") == 0) {
|
|
if (argc-- < 1)
|
|
goto end;
|
|
CApath = *(++argv);
|
|
} else if (strcmp(*argv, "-CAfile") == 0) {
|
|
if (argc-- < 1)
|
|
goto end;
|
|
CAfile = *(++argv);
|
|
} else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
|
|
if (badarg)
|
|
goto end;
|
|
continue;
|
|
} else if (strcmp(*argv, "-untrusted") == 0) {
|
|
if (argc-- < 1)
|
|
goto end;
|
|
untfile = *(++argv);
|
|
} else if (strcmp(*argv, "-trusted") == 0) {
|
|
if (argc-- < 1)
|
|
goto end;
|
|
trustfile = *(++argv);
|
|
} else if (strcmp(*argv, "-CRLfile") == 0) {
|
|
if (argc-- < 1)
|
|
goto end;
|
|
crlfile = *(++argv);
|
|
}
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
else if (strcmp(*argv, "-engine") == 0) {
|
|
if (--argc < 1)
|
|
goto end;
|
|
engine = *(++argv);
|
|
}
|
|
#endif
|
|
else if (strcmp(*argv, "-help") == 0)
|
|
goto end;
|
|
else if (strcmp(*argv, "-verbose") == 0)
|
|
v_verbose = 1;
|
|
else if (argv[0][0] == '-')
|
|
goto end;
|
|
else
|
|
break;
|
|
argc--;
|
|
argv++;
|
|
} else
|
|
break;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
e = setup_engine(bio_err, engine, 0);
|
|
#endif
|
|
|
|
if (vpm)
|
|
X509_STORE_set1_param(cert_ctx, vpm);
|
|
|
|
lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
|
|
if (lookup == NULL)
|
|
abort();
|
|
if (CAfile) {
|
|
i = X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM);
|
|
if (!i) {
|
|
BIO_printf(bio_err, "Error loading file %s\n", CAfile);
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
} else
|
|
X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
|
|
|
|
lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir());
|
|
if (lookup == NULL)
|
|
abort();
|
|
if (CApath) {
|
|
i = X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM);
|
|
if (!i) {
|
|
BIO_printf(bio_err, "Error loading directory %s\n", CApath);
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
} else
|
|
X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
|
|
|
|
ERR_clear_error();
|
|
|
|
if (untfile) {
|
|
untrusted = load_certs(bio_err, untfile, FORMAT_PEM,
|
|
NULL, e, "untrusted certificates");
|
|
if (!untrusted)
|
|
goto end;
|
|
}
|
|
|
|
if (trustfile) {
|
|
trusted = load_certs(bio_err, trustfile, FORMAT_PEM,
|
|
NULL, e, "trusted certificates");
|
|
if (!trusted)
|
|
goto end;
|
|
}
|
|
|
|
if (crlfile) {
|
|
crls = load_crls(bio_err, crlfile, FORMAT_PEM, NULL, e, "other CRLs");
|
|
if (!crls)
|
|
goto end;
|
|
}
|
|
|
|
if (argc < 1)
|
|
check(cert_ctx, NULL, untrusted, trusted, crls, e);
|
|
else
|
|
for (i = 0; i < argc; i++)
|
|
check(cert_ctx, argv[i], untrusted, trusted, crls, e);
|
|
ret = 0;
|
|
end:
|
|
if (ret == 1) {
|
|
BIO_printf(bio_err,
|
|
"usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] [-crl_check]");
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
BIO_printf(bio_err, " [-engine e]");
|
|
#endif
|
|
BIO_printf(bio_err, " cert1 cert2 ...\n");
|
|
BIO_printf(bio_err, "recognized usages:\n");
|
|
for (i = 0; i < X509_PURPOSE_get_count(); i++) {
|
|
X509_PURPOSE *ptmp;
|
|
ptmp = X509_PURPOSE_get0(i);
|
|
BIO_printf(bio_err, "\t%-10s\t%s\n",
|
|
X509_PURPOSE_get0_sname(ptmp),
|
|
X509_PURPOSE_get0_name(ptmp));
|
|
}
|
|
}
|
|
if (vpm)
|
|
X509_VERIFY_PARAM_free(vpm);
|
|
if (cert_ctx != NULL)
|
|
X509_STORE_free(cert_ctx);
|
|
sk_X509_pop_free(untrusted, X509_free);
|
|
sk_X509_pop_free(trusted, X509_free);
|
|
sk_X509_CRL_pop_free(crls, X509_CRL_free);
|
|
apps_shutdown();
|
|
OPENSSL_EXIT(ret);
|
|
}
|
|
|
|
static int check(X509_STORE *ctx, char *file,
|
|
STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
|
|
STACK_OF(X509_CRL) *crls, ENGINE *e)
|
|
{
|
|
X509 *x = NULL;
|
|
int i = 0, ret = 0;
|
|
X509_STORE_CTX *csc;
|
|
|
|
x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
|
|
if (x == NULL)
|
|
goto end;
|
|
fprintf(stdout, "%s: ", (file == NULL) ? "stdin" : file);
|
|
|
|
csc = X509_STORE_CTX_new();
|
|
if (csc == NULL) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
X509_STORE_set_flags(ctx, vflags);
|
|
if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
if (tchain)
|
|
X509_STORE_CTX_trusted_stack(csc, tchain);
|
|
if (crls)
|
|
X509_STORE_CTX_set0_crls(csc, crls);
|
|
i = X509_verify_cert(csc);
|
|
X509_STORE_CTX_free(csc);
|
|
|
|
ret = 0;
|
|
end:
|
|
if (i > 0) {
|
|
fprintf(stdout, "OK\n");
|
|
ret = 1;
|
|
} else
|
|
ERR_print_errors(bio_err);
|
|
if (x != NULL)
|
|
X509_free(x);
|
|
|
|
return (ret);
|
|
}
|
|
|
|
static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
|
|
{
|
|
int cert_error = X509_STORE_CTX_get_error(ctx);
|
|
X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
|
|
|
|
if (!ok) {
|
|
if (current_cert) {
|
|
X509_NAME_print_ex_fp(stdout,
|
|
X509_get_subject_name(current_cert),
|
|
0, XN_FLAG_ONELINE);
|
|
printf("\n");
|
|
}
|
|
printf("%serror %d at %d depth lookup:%s\n",
|
|
X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
|
|
cert_error,
|
|
X509_STORE_CTX_get_error_depth(ctx),
|
|
X509_verify_cert_error_string(cert_error));
|
|
switch (cert_error) {
|
|
case X509_V_ERR_NO_EXPLICIT_POLICY:
|
|
policies_print(NULL, ctx);
|
|
case X509_V_ERR_CERT_HAS_EXPIRED:
|
|
|
|
/*
|
|
* since we are just checking the certificates, it is ok if they
|
|
* are self signed. But we should still warn the user.
|
|
*/
|
|
|
|
case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
|
|
/* Continue after extension errors too */
|
|
case X509_V_ERR_INVALID_CA:
|
|
case X509_V_ERR_INVALID_NON_CA:
|
|
case X509_V_ERR_PATH_LENGTH_EXCEEDED:
|
|
case X509_V_ERR_INVALID_PURPOSE:
|
|
case X509_V_ERR_CRL_HAS_EXPIRED:
|
|
case X509_V_ERR_CRL_NOT_YET_VALID:
|
|
case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
|
|
ok = 1;
|
|
|
|
}
|
|
|
|
return ok;
|
|
|
|
}
|
|
if (cert_error == X509_V_OK && ok == 2)
|
|
policies_print(NULL, ctx);
|
|
if (!v_verbose)
|
|
ERR_clear_error();
|
|
return (ok);
|
|
}
|