229 lines
6.5 KiB
C
229 lines
6.5 KiB
C
/* apps/verify.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "apps.h"
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#include <openssl/bio.h>
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#include <openssl/err.h>
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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#undef PROG
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#define PROG verify_main
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static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
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static int check(X509_STORE *ctx,char *file);
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static int v_verbose=0;
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int MAIN(int argc, char **argv)
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{
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int i,ret=1;
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char *CApath=NULL,*CAfile=NULL;
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X509_STORE *cert_ctx=NULL;
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X509_LOOKUP *lookup=NULL;
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cert_ctx=X509_STORE_new();
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if (cert_ctx == NULL) goto end;
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X509_STORE_set_verify_cb_func(cert_ctx,cb);
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ERR_load_crypto_strings();
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apps_startup();
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if (bio_err == NULL)
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if ((bio_err=BIO_new(BIO_s_file())) != NULL)
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BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
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argc--;
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argv++;
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for (;;)
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{
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if (argc >= 1)
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{
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if (strcmp(*argv,"-CApath") == 0)
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{
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if (argc-- < 1) goto end;
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CApath= *(++argv);
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}
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else if (strcmp(*argv,"-CAfile") == 0)
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{
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if (argc-- < 1) goto end;
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CAfile= *(++argv);
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}
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else if (strcmp(*argv,"-help") == 0)
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goto end;
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else if (strcmp(*argv,"-verbose") == 0)
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v_verbose=1;
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else if (argv[0][0] == '-')
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goto end;
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else
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break;
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argc--;
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argv++;
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}
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else
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break;
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}
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lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
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if (lookup == NULL) abort();
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if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM))
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X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
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lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
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if (lookup == NULL) abort();
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if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM))
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X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
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ERR_clear_error();
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if (argc < 1) check(cert_ctx,NULL);
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else
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for (i=0; i<argc; i++)
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check(cert_ctx,argv[i]);
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ret=0;
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end:
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if (ret == 1)
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BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] cert1 cert2 ...\n");
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if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
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EXIT(ret);
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}
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static int check(X509_STORE *ctx, char *file)
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{
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X509 *x=NULL;
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BIO *in=NULL;
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int i=0,ret=0;
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X509_STORE_CTX csc;
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in=BIO_new(BIO_s_file());
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if (in == NULL)
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{
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ERR_print_errors(bio_err);
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goto end;
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}
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if (file == NULL)
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BIO_set_fp(in,stdin,BIO_NOCLOSE);
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else
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{
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if (BIO_read_filename(in,file) <= 0)
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{
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perror(file);
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goto end;
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}
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}
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x=PEM_read_bio_X509(in,NULL,NULL,NULL);
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if (x == NULL)
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{
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fprintf(stdout,"%s: unable to load certificate file\n",
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(file == NULL)?"stdin":file);
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ERR_print_errors(bio_err);
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goto end;
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}
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fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);
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X509_STORE_CTX_init(&csc,ctx,x,NULL);
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i=X509_verify_cert(&csc);
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X509_STORE_CTX_cleanup(&csc);
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ret=0;
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end:
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if (i)
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{
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fprintf(stdout,"OK\n");
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ret=1;
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}
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else
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ERR_print_errors(bio_err);
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if (x != NULL) X509_free(x);
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if (in != NULL) BIO_free(in);
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return(ret);
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}
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static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
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{
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char buf[256];
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if (!ok)
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{
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/* since we are just checking the certificates, it is
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* ok if they are self signed. */
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if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
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ok=1;
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else
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{
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X509_NAME_oneline(
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X509_get_subject_name(ctx->current_cert),buf,256);
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printf("%s\n",buf);
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printf("error %d at %d depth lookup:%s\n",ctx->error,
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ctx->error_depth,
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X509_verify_cert_error_string(ctx->error));
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if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED)
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ok=1;
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}
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}
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if (!v_verbose)
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ERR_clear_error();
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return(ok);
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}
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