350 lines
9.2 KiB
C
350 lines
9.2 KiB
C
/* $NetBSD: cksum.c,v 1.18 2003/08/07 11:13:20 agc Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* James W. Williams of NASA Goddard Space Flight Center.
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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 above 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. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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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/*-
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* Copyright (c) 1997 Jason R. Thorpe. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* James W. Williams of NASA Goddard Space Flight Center.
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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 above 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 software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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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#include <sys/cdefs.h>
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#if defined(__COPYRIGHT) && !defined(lint)
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__COPYRIGHT("@(#) Copyright (c) 1991, 1993\n\
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The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#if defined(__RCSID) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)cksum.c 8.2 (Berkeley) 4/28/95";
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#endif
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__RCSID("$NetBSD: cksum.c,v 1.18 2003/08/07 11:13:20 agc Exp $");
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#endif /* not lint */
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <locale.h>
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#include <md5.h>
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#include <md4.h>
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#include <md2.h>
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#include <sha1.h>
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#include <rmd160.h>
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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 <unistd.h>
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#include "extern.h"
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#define HASH_MD2 0
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#define HASH_MD4 1
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#define HASH_MD5 2
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#define HASH_SHA1 3
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#define HASH_RMD160 4
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typedef char *(*_filefunc)(const char *, char *);
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struct hash {
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const char *progname;
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const char *hashname;
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void (*stringfunc)(const char *);
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void (*timetrialfunc)(void);
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void (*testsuitefunc)(void);
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void (*filterfunc)(int);
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char *(*filefunc)(const char *, char *);
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} hashes[] = {
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{ "md2", "MD2",
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MD2String, MD2TimeTrial, MD2TestSuite,
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MD2Filter, MD2File },
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{ "md4", "MD4",
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MD4String, MD4TimeTrial, MD4TestSuite,
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MD4Filter, MD4File },
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{ "md5", "MD5",
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MD5String, MD5TimeTrial, MD5TestSuite,
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MD5Filter, MD5File },
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{ "sha1", "SHA1",
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SHA1String, SHA1TimeTrial, SHA1TestSuite,
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SHA1Filter, (_filefunc) SHA1File },
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{ "rmd160", "RMD160",
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RMD160String, RMD160TimeTrial, RMD160TestSuite,
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RMD160Filter, (_filefunc) RMD160File },
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{ NULL }
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};
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int main __P((int, char **));
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int hash_digest_file __P((char *, struct hash *, int));
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void requirehash __P((const char *));
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void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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register int ch, fd, rval, dosum, pflag, nohashstdin;
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u_int32_t len, val;
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char *fn;
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const char *progname;
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int (*cfncn) __P((int, u_int32_t *, u_int32_t *));
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void (*pfncn) __P((char *, u_int32_t, u_int32_t));
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struct hash *hash;
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int normal;
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cfncn = NULL;
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pfncn = NULL;
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dosum = pflag = nohashstdin = 0;
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normal = 0;
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setlocale(LC_ALL, "");
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progname = getprogname();
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for (hash = hashes; hash->hashname != NULL; hash++)
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if (strcmp(progname, hash->progname) == 0)
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break;
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if (hash->hashname == NULL) {
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hash = NULL;
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if (!strcmp(progname, "sum")) {
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dosum = 1;
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cfncn = csum1;
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pfncn = psum1;
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} else {
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cfncn = crc;
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pfncn = pcrc;
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}
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}
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while ((ch = getopt(argc, argv, "mno:ps:tx12456")) != -1)
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switch(ch) {
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case '2':
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if (dosum) {
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warnx("sum mutually exclusive with md2");
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usage();
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}
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hash = &hashes[HASH_MD2];
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break;
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case '4':
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if (dosum) {
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warnx("sum mutually exclusive with md4");
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usage();
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}
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hash = &hashes[HASH_MD4];
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break;
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case 'm':
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case '5':
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if (dosum) {
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warnx("sum mutually exclusive with md5");
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usage();
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}
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hash = &hashes[HASH_MD5];
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break;
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case '1':
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if (dosum) {
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warnx("sum mutually exclusive with sha1");
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usage();
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}
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hash = &hashes[HASH_SHA1];
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break;
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case '6':
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if (dosum) {
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warnx("sum mutually exclusive with rmd160");
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usage();
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}
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hash = &hashes[HASH_RMD160];
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break;
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case 'n':
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normal = 1;
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break;
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case 'o':
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if (hash) {
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warnx("%s mutually exclusive with sum",
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hash->hashname);
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usage();
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}
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if (!strcmp(optarg, "1")) {
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cfncn = csum1;
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pfncn = psum1;
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} else if (!strcmp(optarg, "2")) {
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cfncn = csum2;
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pfncn = psum2;
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} else {
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warnx("illegal argument to -o option");
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usage();
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}
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break;
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case 'p':
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if (hash == NULL)
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requirehash("-p");
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pflag = 1;
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break;
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case 's':
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if (hash == NULL)
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requirehash("-s");
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nohashstdin = 1;
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hash->stringfunc(optarg);
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break;
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case 't':
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if (hash == NULL)
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requirehash("-t");
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nohashstdin = 1;
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hash->timetrialfunc();
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break;
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case 'x':
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if (hash == NULL)
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requirehash("-x");
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nohashstdin = 1;
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hash->testsuitefunc();
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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fd = STDIN_FILENO;
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fn = NULL;
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rval = 0;
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do {
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if (*argv) {
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fn = *argv++;
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if (hash != NULL) {
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if (hash_digest_file(fn, hash, normal)) {
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warn("%s", fn);
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rval = 1;
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}
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continue;
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}
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if ((fd = open(fn, O_RDONLY, 0)) < 0) {
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warn("%s", fn);
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rval = 1;
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continue;
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}
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} else if (hash && !nohashstdin) {
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hash->filterfunc(pflag);
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}
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if (hash == NULL) {
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if (cfncn(fd, &val, &len)) {
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warn("%s", fn ? fn : "stdin");
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rval = 1;
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} else
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pfncn(fn, val, len);
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(void)close(fd);
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}
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} while (*argv);
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exit(rval);
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}
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int
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hash_digest_file(fn, hash, normal)
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char *fn;
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struct hash *hash;
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int normal;
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{
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char buf[41], *cp;
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cp = hash->filefunc(fn, buf);
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if (cp == NULL)
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return (1);
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if (normal)
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printf("%s %s\n", cp, fn);
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else
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printf("%s (%s) = %s\n", hash->hashname, fn, cp);
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return (0);
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}
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void
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requirehash(flg)
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const char *flg;
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{
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warnx("%s flag requires `md2', `md4', `md5', `sha1', or `rmd160'",
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flg);
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usage();
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}
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void
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usage()
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{
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(void)fprintf(stderr, "usage: cksum [-m | [-o 1 | 2]] [file ...]\n");
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(void)fprintf(stderr, " sum [file ...]\n");
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(void)fprintf(stderr,
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" md2 [-n] [-p | -t | -x | -s string] [file ...]\n");
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(void)fprintf(stderr,
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" md4 [-n] [-p | -t | -x | -s string] [file ...]\n");
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(void)fprintf(stderr,
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" md5 [-n] [-p | -t | -x | -s string] [file ...]\n");
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(void)fprintf(stderr,
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" sha1 [-n] [-p | -t | -x | -s string] [file ...]\n");
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(void)fprintf(stderr,
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" rmd160 [-n] [-p | -t | -x | -s string] [file ...]\n");
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exit(1);
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}
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