364 lines
9.6 KiB
C
364 lines
9.6 KiB
C
/* apps/crl.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/x509v3.h>
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#include <openssl/pem.h>
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#undef PROG
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#define PROG crl_main
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#undef POSTFIX
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#define POSTFIX ".rvk"
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static char *crl_usage[]={
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"usage: crl args\n",
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"\n",
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" -inform arg - input format - default PEM (DER or PEM)\n",
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" -outform arg - output format - default PEM\n",
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" -text - print out a text format version\n",
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" -in arg - input file - default stdin\n",
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" -out arg - output file - default stdout\n",
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" -hash - print hash value\n",
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" -issuer - print issuer DN\n",
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" -lastupdate - lastUpdate field\n",
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" -nextupdate - nextUpdate field\n",
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" -noout - no CRL output\n",
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" -CAfile name - verify CRL using certificates in file \"name\"\n",
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" -CApath dir - verify CRL using certificates in \"dir\"\n",
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NULL
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};
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static X509_CRL *load_crl(char *file, int format);
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static BIO *bio_out=NULL;
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int MAIN(int argc, char **argv)
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{
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X509_CRL *x=NULL;
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char *CAfile = NULL, *CApath = NULL;
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int ret=1,i,num,badops=0;
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BIO *out=NULL;
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int informat,outformat;
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char *infile=NULL,*outfile=NULL;
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int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0;
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char **pp,buf[256];
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X509_STORE *store = NULL;
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X509_STORE_CTX ctx;
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X509_LOOKUP *lookup = NULL;
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X509_OBJECT xobj;
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EVP_PKEY *pkey;
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int do_ver = 0;
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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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if (bio_out == NULL)
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if ((bio_out=BIO_new(BIO_s_file())) != NULL)
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BIO_set_fp(bio_out,stdout,BIO_NOCLOSE);
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informat=FORMAT_PEM;
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outformat=FORMAT_PEM;
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argc--;
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argv++;
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num=0;
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while (argc >= 1)
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{
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#ifdef undef
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if (strcmp(*argv,"-p") == 0)
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{
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if (--argc < 1) goto bad;
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if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/
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}
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#endif
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if (strcmp(*argv,"-inform") == 0)
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{
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if (--argc < 1) goto bad;
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informat=str2fmt(*(++argv));
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}
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else if (strcmp(*argv,"-outform") == 0)
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{
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if (--argc < 1) goto bad;
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outformat=str2fmt(*(++argv));
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}
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else if (strcmp(*argv,"-in") == 0)
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{
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if (--argc < 1) goto bad;
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infile= *(++argv);
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}
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else if (strcmp(*argv,"-out") == 0)
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{
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if (--argc < 1) goto bad;
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outfile= *(++argv);
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}
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else if (strcmp(*argv,"-CApath") == 0)
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{
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if (--argc < 1) goto bad;
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CApath = *(++argv);
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do_ver = 1;
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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 bad;
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CAfile = *(++argv);
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do_ver = 1;
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}
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else if (strcmp(*argv,"-verify") == 0)
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do_ver = 1;
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else if (strcmp(*argv,"-text") == 0)
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text = 1;
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else if (strcmp(*argv,"-hash") == 0)
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hash= ++num;
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else if (strcmp(*argv,"-issuer") == 0)
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issuer= ++num;
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else if (strcmp(*argv,"-lastupdate") == 0)
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lastupdate= ++num;
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else if (strcmp(*argv,"-nextupdate") == 0)
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nextupdate= ++num;
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else if (strcmp(*argv,"-noout") == 0)
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noout= ++num;
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else
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{
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BIO_printf(bio_err,"unknown option %s\n",*argv);
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badops=1;
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break;
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}
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argc--;
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argv++;
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}
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if (badops)
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{
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bad:
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for (pp=crl_usage; (*pp != NULL); pp++)
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BIO_printf(bio_err,*pp);
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goto end;
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}
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ERR_load_crypto_strings();
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x=load_crl(infile,informat);
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if (x == NULL) { goto end; }
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if(do_ver) {
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store = X509_STORE_new();
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lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
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if (lookup == NULL) goto end;
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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(store,X509_LOOKUP_hash_dir());
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if (lookup == NULL) goto end;
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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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X509_STORE_CTX_init(&ctx, store, NULL, NULL);
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i = X509_STORE_get_by_subject(&ctx, X509_LU_X509,
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X509_CRL_get_issuer(x), &xobj);
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if(i <= 0) {
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BIO_printf(bio_err,
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"Error getting CRL issuer certificate\n");
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goto end;
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}
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pkey = X509_get_pubkey(xobj.data.x509);
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X509_OBJECT_free_contents(&xobj);
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if(!pkey) {
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BIO_printf(bio_err,
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"Error getting CRL issuer public key\n");
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goto end;
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}
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i = X509_CRL_verify(x, pkey);
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EVP_PKEY_free(pkey);
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if(i < 0) goto end;
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if(i == 0) BIO_printf(bio_err, "verify failure\n");
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else BIO_printf(bio_err, "verify OK\n");
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}
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if (num)
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{
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for (i=1; i<=num; i++)
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{
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if (issuer == i)
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{
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X509_NAME_oneline(X509_CRL_get_issuer(x),
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buf,256);
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BIO_printf(bio_out,"issuer= %s\n",buf);
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}
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if (hash == i)
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{
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BIO_printf(bio_out,"%08lx\n",
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X509_NAME_hash(X509_CRL_get_issuer(x)));
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}
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if (lastupdate == i)
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{
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BIO_printf(bio_out,"lastUpdate=");
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ASN1_TIME_print(bio_out,
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X509_CRL_get_lastUpdate(x));
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BIO_printf(bio_out,"\n");
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}
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if (nextupdate == i)
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{
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BIO_printf(bio_out,"nextUpdate=");
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if (X509_CRL_get_nextUpdate(x))
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ASN1_TIME_print(bio_out,
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X509_CRL_get_nextUpdate(x));
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else
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BIO_printf(bio_out,"NONE");
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BIO_printf(bio_out,"\n");
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}
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}
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}
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out=BIO_new(BIO_s_file());
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if (out == 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 (outfile == NULL)
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BIO_set_fp(out,stdout,BIO_NOCLOSE);
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else
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{
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if (BIO_write_filename(out,outfile) <= 0)
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{
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perror(outfile);
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goto end;
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}
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}
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if (text) X509_CRL_print(out, x);
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if (noout) goto end;
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if (outformat == FORMAT_ASN1)
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i=(int)i2d_X509_CRL_bio(out,x);
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else if (outformat == FORMAT_PEM)
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i=PEM_write_bio_X509_CRL(out,x);
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else
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{
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BIO_printf(bio_err,"bad output format specified for outfile\n");
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goto end;
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}
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if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; }
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ret=0;
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end:
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BIO_free(out);
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BIO_free(bio_out);
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bio_out=NULL;
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X509_CRL_free(x);
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if(store) {
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X509_STORE_CTX_cleanup(&ctx);
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X509_STORE_free(store);
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}
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EXIT(ret);
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}
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static X509_CRL *load_crl(char *infile, int format)
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{
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X509_CRL *x=NULL;
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BIO *in=NULL;
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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 (infile == 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,infile) <= 0)
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{
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perror(infile);
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goto end;
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}
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}
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if (format == FORMAT_ASN1)
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x=d2i_X509_CRL_bio(in,NULL);
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else if (format == FORMAT_PEM)
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x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
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else {
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BIO_printf(bio_err,"bad input format specified for input crl\n");
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goto end;
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}
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if (x == NULL)
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{
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BIO_printf(bio_err,"unable to load CRL\n");
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ERR_print_errors(bio_err);
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goto end;
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}
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end:
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BIO_free(in);
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return(x);
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}
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