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342 lines
11 KiB
C
342 lines
11 KiB
C
/*
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* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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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 "progs.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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const 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', "Private key file format (PEM or ENGINE)"},
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{"key", OPT_KEY, '<', "CRL signing Private key to use"},
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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, '-', "Corrupt last byte of loaded CRL signature (for test)" },
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{"gendelta", OPT_GENDELTA, '<', "Other CRL to compare/diff to the Input one"},
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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, '-', "Verify CRL signature"},
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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 = NULL;
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X509_LOOKUP *lookup = NULL;
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X509_OBJECT *xobj = NULL;
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EVP_PKEY *pkey;
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const EVP_MD *digest = EVP_sha1();
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char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL;
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const 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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if (!set_nameopt(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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if (argc != 0)
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goto opthelp;
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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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ctx = X509_STORE_CTX_new();
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if (ctx == NULL || !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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xobj = X509_STORE_CTX_get_obj_by_subject(ctx, X509_LU_X509,
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X509_CRL_get_issuer(x));
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if (xobj == NULL) {
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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(X509_OBJECT_get0_X509(xobj));
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X509_OBJECT_free(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 (badsig) {
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const ASN1_BIT_STRING *sig;
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X509_CRL_get0_signature(x, &sig, NULL);
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corrupt_signature(sig);
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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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get_nameopt());
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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_get0_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_get0_nextUpdate(x))
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ASN1_TIME_print(bio_out, X509_CRL_get0_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_ex(out, x, get_nameopt());
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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 (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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X509_STORE_CTX_free(ctx);
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X509_STORE_free(store);
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return ret;
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}
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