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bdd58d9846
The different apps had the liberty to decide whether they would open their input and output files in binary mode or not, which could be confusing if two different apps were handling the same type of file in different ways. The solution is to centralise the decision of low level file organisation, and that the apps would use a selection of formats to state the intent of the file. Reviewed-by: Tim Hudson <tjh@openssl.org>
390 lines
13 KiB
C
390 lines
13 KiB
C
/* 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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typedef enum OPTION_choice {
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OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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OPT_INFORM, OPT_IN, OPT_OUTFORM, OPT_OUT, OPT_KEYFORM, OPT_KEY,
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OPT_ISSUER, OPT_LASTUPDATE, OPT_NEXTUPDATE, OPT_FINGERPRINT,
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OPT_CRLNUMBER, OPT_BADSIG, OPT_GENDELTA, OPT_CAPATH, OPT_CAFILE,
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OPT_VERIFY, OPT_TEXT, OPT_HASH, OPT_HASH_OLD, OPT_NOOUT,
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OPT_NAMEOPT, OPT_MD
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} OPTION_CHOICE;
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OPTIONS crl_options[] = {
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{"help", OPT_HELP, '-', "Display this summary"},
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{"inform", OPT_INFORM, 'F', "Input format; default PEM"},
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{"in", OPT_IN, '<', "Input file - default stdin"},
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{"outform", OPT_OUTFORM, 'F', "Output format - default PEM"},
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{"out", OPT_OUT, '>', "output file - default stdout"},
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{"keyform", OPT_KEYFORM, 'F'},
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{"key", OPT_KEY, '<'},
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{"issuer", OPT_ISSUER, '-', "Print issuer DN"},
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{"lastupdate", OPT_LASTUPDATE, '-', "Set lastUpdate field"},
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{"nextupdate", OPT_NEXTUPDATE, '-', "Set nextUpdate field"},
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{"noout", OPT_NOOUT, '-', "No CRL output"},
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{"fingerprint", OPT_FINGERPRINT, '-', "Print the crl fingerprint"},
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{"crlnumber", OPT_CRLNUMBER, '-', "Print CRL number"},
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{"badsig", OPT_BADSIG, '-'},
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{"gendelta", OPT_GENDELTA, '<'},
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{"CApath", OPT_CAPATH, '/', "Verify CRL using certificates in dir"},
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{"CAfile", OPT_CAFILE, '<', "Verify CRL using certificates in file name"},
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{"verify", OPT_VERIFY, '-'},
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{"text", OPT_TEXT, '-', "Print out a text format version"},
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{"hash", OPT_HASH, '-', "Print hash value"},
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{"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
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{"", OPT_MD, '-', "Any supported digest"},
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#ifndef OPENSSL_NO_MD5
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{"hash_old", OPT_HASH_OLD, '-', "Print old-style (MD5) hash value"},
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#endif
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{NULL}
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};
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int crl_main(int argc, char **argv)
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{
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X509_CRL *x = NULL;
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BIO *out = NULL;
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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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const EVP_MD *digest = EVP_sha1();
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unsigned long nmflag = 0;
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char nmflag_set = 0;
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char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL;
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char *CAfile = NULL, *CApath = NULL, *prog;
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OPTION_CHOICE o;
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int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout = 0;
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int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
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int ret = 1, num = 0, badsig = 0, fingerprint = 0, crlnumber = 0;
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int text = 0, do_ver = 0;
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int i;
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#ifndef OPENSSL_NO_MD5
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int hash_old = 0;
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#endif
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prog = opt_init(argc, argv, crl_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_EOF:
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case OPT_ERR:
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opthelp:
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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case OPT_HELP:
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opt_help(crl_options);
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ret = 0;
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goto end;
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case OPT_INFORM:
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if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
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goto opthelp;
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break;
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case OPT_IN:
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infile = opt_arg();
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break;
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case OPT_OUTFORM:
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if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
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goto opthelp;
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break;
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case OPT_OUT:
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outfile = opt_arg();
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break;
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case OPT_KEYFORM:
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if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat))
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goto opthelp;
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break;
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case OPT_KEY:
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keyfile = opt_arg();
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break;
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case OPT_GENDELTA:
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crldiff = opt_arg();
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break;
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case OPT_CAPATH:
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CApath = opt_arg();
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do_ver = 1;
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break;
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case OPT_CAFILE:
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CAfile = opt_arg();
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do_ver = 1;
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break;
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case OPT_HASH_OLD:
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#ifndef OPENSSL_NO_MD5
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hash_old = ++num;
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#endif
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break;
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case OPT_VERIFY:
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do_ver = 1;
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break;
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case OPT_TEXT:
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text = 1;
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break;
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case OPT_HASH:
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hash = ++num;
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break;
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case OPT_ISSUER:
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issuer = ++num;
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break;
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case OPT_LASTUPDATE:
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lastupdate = ++num;
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break;
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case OPT_NEXTUPDATE:
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nextupdate = ++num;
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break;
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case OPT_NOOUT:
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noout = ++num;
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break;
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case OPT_FINGERPRINT:
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fingerprint = ++num;
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break;
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case OPT_CRLNUMBER:
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crlnumber = ++num;
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break;
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case OPT_BADSIG:
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badsig = 1;
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break;
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case OPT_NAMEOPT:
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nmflag_set = 1;
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if (!set_name_ex(&nmflag, opt_arg()))
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goto opthelp;
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break;
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case OPT_MD:
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if (!opt_md(opt_unknown(), &digest))
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goto opthelp;
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}
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}
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argc = opt_num_rest();
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argv = opt_rest();
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if (!nmflag_set)
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nmflag = XN_FLAG_ONELINE;
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if (!app_load_modules(NULL))
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goto end;
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x = load_crl(infile, informat);
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if (x == NULL)
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goto end;
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if (do_ver) {
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if ((store = setup_verify(CAfile, CApath)) == NULL)
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goto end;
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lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
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if (lookup == NULL)
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goto end;
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if (!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) {
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BIO_printf(bio_err, "Error initialising X509 store\n");
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goto end;
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}
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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, "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, "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)
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goto end;
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if (i == 0)
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BIO_printf(bio_err, "verify failure\n");
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else
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BIO_printf(bio_err, "verify OK\n");
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}
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if (crldiff) {
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X509_CRL *newcrl, *delta;
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if (!keyfile) {
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BIO_puts(bio_err, "Missing CRL signing key\n");
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goto end;
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}
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newcrl = load_crl(crldiff, informat);
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if (!newcrl)
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goto end;
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pkey = load_key(keyfile, keyformat, 0, NULL, NULL, "CRL signing key");
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if (!pkey) {
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X509_CRL_free(newcrl);
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goto end;
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}
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delta = X509_CRL_diff(x, newcrl, pkey, digest, 0);
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X509_CRL_free(newcrl);
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EVP_PKEY_free(pkey);
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if (delta) {
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X509_CRL_free(x);
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x = delta;
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} else {
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BIO_puts(bio_err, "Error creating delta CRL\n");
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goto end;
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}
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}
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if (num) {
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for (i = 1; i <= num; i++) {
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if (issuer == i) {
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print_name(bio_out, "issuer=", X509_CRL_get_issuer(x),
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nmflag);
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}
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if (crlnumber == i) {
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ASN1_INTEGER *crlnum;
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crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, NULL, NULL);
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BIO_printf(bio_out, "crlNumber=");
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if (crlnum) {
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i2a_ASN1_INTEGER(bio_out, crlnum);
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ASN1_INTEGER_free(crlnum);
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} else
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BIO_puts(bio_out, "<NONE>");
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BIO_printf(bio_out, "\n");
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}
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if (hash == i) {
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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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#ifndef OPENSSL_NO_MD5
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if (hash_old == i) {
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BIO_printf(bio_out, "%08lx\n",
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X509_NAME_hash_old(X509_CRL_get_issuer(x)));
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}
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#endif
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if (lastupdate == i) {
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BIO_printf(bio_out, "lastUpdate=");
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ASN1_TIME_print(bio_out, 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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BIO_printf(bio_out, "nextUpdate=");
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if (X509_CRL_get_nextUpdate(x))
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ASN1_TIME_print(bio_out, 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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if (fingerprint == i) {
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int j;
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unsigned int n;
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unsigned char md[EVP_MAX_MD_SIZE];
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if (!X509_CRL_digest(x, digest, md, &n)) {
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BIO_printf(bio_err, "out of memory\n");
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goto end;
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}
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BIO_printf(bio_out, "%s Fingerprint=",
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OBJ_nid2sn(EVP_MD_type(digest)));
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for (j = 0; j < (int)n; j++) {
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BIO_printf(bio_out, "%02X%c", md[j], (j + 1 == (int)n)
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? '\n' : ':');
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}
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}
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}
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}
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out = bio_open_default(outfile, 'w', outformat);
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if (out == NULL)
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goto end;
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if (text)
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X509_CRL_print(out, x);
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if (noout) {
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ret = 0;
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goto end;
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}
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if (badsig) {
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ASN1_BIT_STRING *sig;
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unsigned char *psig;
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X509_CRL_get0_signature(&sig, NULL, x);
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psig = ASN1_STRING_data(sig);
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psig[ASN1_STRING_length(sig) - 1] ^= 0x1;
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}
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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
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i = PEM_write_bio_X509_CRL(out, x);
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if (!i) {
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BIO_printf(bio_err, "unable to write CRL\n");
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goto end;
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}
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ret = 0;
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end:
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if (ret != 0)
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ERR_print_errors(bio_err);
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BIO_free_all(out);
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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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return (ret);
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}
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