mirror of
https://github.com/openssl/openssl.git
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c01ff880d4
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
396 lines
13 KiB
C
396 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_NOCAPATH, OPT_NOCAFILE, OPT_VERIFY, OPT_TEXT, OPT_HASH, OPT_HASH_OLD,
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OPT_NOOUT, 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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{"no-CAfile", OPT_NOCAFILE, '-',
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"Do not load the default certificates file"},
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{"no-CApath", OPT_NOCAPATH, '-',
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"Do not load certificates from the default certificates directory"},
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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, noCAfile = 0, noCApath = 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_NOCAPATH:
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noCApath = 1;
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break;
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case OPT_NOCAFILE:
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noCAfile = 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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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, noCAfile, noCApath)) == 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_get0_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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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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