0b4add3077
This allows verifying the checksums e.g. after downloading a NetBSD release: cat BSDSUM CKSUM MD5 SHA512 SYSVSUM | cksum -c
587 lines
14 KiB
C
587 lines
14 KiB
C
/* $NetBSD: cksum.c,v 1.35 2006/04/24 21:07:43 hubertf Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1991, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* James W. Williams of NASA Goddard Space Flight Center.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 1997 Jason R. Thorpe. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* James W. Williams of NASA Goddard Space Flight Center.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(__COPYRIGHT) && !defined(lint)
|
|
__COPYRIGHT("@(#) Copyright (c) 1991, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n");
|
|
#endif /* not lint */
|
|
|
|
#if defined(__RCSID) && !defined(lint)
|
|
#if 0
|
|
static char sccsid[] = "@(#)cksum.c 8.2 (Berkeley) 4/28/95";
|
|
#endif
|
|
__RCSID("$NetBSD: cksum.c,v 1.35 2006/04/24 21:07:43 hubertf Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <locale.h>
|
|
#include <md5.h>
|
|
#include <md4.h>
|
|
#include <md2.h>
|
|
#include <sha1.h>
|
|
#include <crypto/sha2.h>
|
|
#include <crypto/rmd160.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "extern.h"
|
|
|
|
#define HASH_MD2 0
|
|
#define HASH_MD4 1
|
|
#define HASH_MD5 2
|
|
#define HASH_SHA1 3
|
|
#define HASH_RMD160 4
|
|
|
|
typedef char *(*_filefunc)(const char *, char *);
|
|
|
|
struct hash {
|
|
const char *progname;
|
|
const char *hashname;
|
|
void (*stringfunc)(const char *);
|
|
void (*timetrialfunc)(void);
|
|
void (*testsuitefunc)(void);
|
|
void (*filterfunc)(int);
|
|
char *(*filefunc)(const char *, char *);
|
|
} hashes[] = {
|
|
{ "md2", "MD2",
|
|
MD2String, MD2TimeTrial, MD2TestSuite,
|
|
MD2Filter, MD2File },
|
|
{ "md4", "MD4",
|
|
MD4String, MD4TimeTrial, MD4TestSuite,
|
|
MD4Filter, MD4File },
|
|
{ "md5", "MD5",
|
|
MD5String, MD5TimeTrial, MD5TestSuite,
|
|
MD5Filter, MD5File },
|
|
{ "sha1", "SHA1",
|
|
SHA1String, SHA1TimeTrial, SHA1TestSuite,
|
|
SHA1Filter, (_filefunc) SHA1File },
|
|
{ "rmd160", "RMD160",
|
|
RMD160String, RMD160TimeTrial, RMD160TestSuite,
|
|
RMD160Filter, (_filefunc) RMD160File },
|
|
{ "sha256", "SHA256",
|
|
SHA256_String, SHA256_TimeTrial, SHA256_TestSuite,
|
|
SHA256_Filter, (_filefunc) SHA256_File },
|
|
{ "sha384", "SHA384",
|
|
SHA384_String, SHA384_TimeTrial, SHA384_TestSuite,
|
|
SHA384_Filter, (_filefunc) SHA384_File },
|
|
{ "sha512", "SHA512",
|
|
SHA512_String, SHA512_TimeTrial, SHA512_TestSuite,
|
|
SHA512_Filter, (_filefunc) SHA512_File },
|
|
{ NULL }
|
|
};
|
|
|
|
int hash_digest_file(char *, struct hash *, int);
|
|
void requirehash(const char *);
|
|
void usage(void);
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int ch, fd, rval, dosum, pflag, nohashstdin;
|
|
u_int32_t val;
|
|
off_t len;
|
|
char *fn;
|
|
const char *progname;
|
|
int (*cfncn) (int, u_int32_t *, off_t *);
|
|
void (*pfncn) (char *, u_int32_t, off_t);
|
|
struct hash *hash;
|
|
int normal, i, check_warn, do_check;
|
|
|
|
cfncn = NULL;
|
|
pfncn = NULL;
|
|
dosum = pflag = nohashstdin = 0;
|
|
normal = 0;
|
|
check_warn = 0;
|
|
do_check = 0;
|
|
|
|
setlocale(LC_ALL, "");
|
|
|
|
progname = getprogname();
|
|
|
|
for (hash = hashes; hash->hashname != NULL; hash++)
|
|
if (strcmp(progname, hash->progname) == 0)
|
|
break;
|
|
|
|
if (hash->hashname == NULL) {
|
|
hash = NULL;
|
|
|
|
if (!strcmp(progname, "sum")) {
|
|
dosum = 1;
|
|
cfncn = csum1;
|
|
pfncn = psum1;
|
|
} else {
|
|
cfncn = crc;
|
|
pfncn = pcrc;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* The -1, -2, -4, -5, -6, and -m flags should be deprecated, but
|
|
* are still supported in code to not break anything that might
|
|
* be using them.
|
|
*/
|
|
while ((ch = getopt(argc, argv, "a:cmno:ps:twx12456")) != -1)
|
|
switch(ch) {
|
|
case 'a':
|
|
if (hash != NULL || dosum) {
|
|
warnx("illegal use of -a option\n");
|
|
usage();
|
|
}
|
|
i = 0;
|
|
while (hashes[i].hashname != NULL) {
|
|
if (!strcasecmp(hashes[i].hashname, optarg)) {
|
|
hash = &hashes[i];
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
if (hash == NULL) {
|
|
if (!strcasecmp(optarg, "old1")) {
|
|
cfncn = csum1;
|
|
pfncn = psum1;
|
|
} else if (!strcasecmp(optarg, "old2")) {
|
|
cfncn = csum2;
|
|
pfncn = psum2;
|
|
} else if (!strcasecmp(optarg, "crc")) {
|
|
cfncn = crc;
|
|
pfncn = pcrc;
|
|
} else {
|
|
warnx("illegal argument to -a option");
|
|
usage();
|
|
}
|
|
}
|
|
break;
|
|
case '2':
|
|
if (dosum) {
|
|
warnx("sum mutually exclusive with md2");
|
|
usage();
|
|
}
|
|
hash = &hashes[HASH_MD2];
|
|
break;
|
|
case '4':
|
|
if (dosum) {
|
|
warnx("sum mutually exclusive with md4");
|
|
usage();
|
|
}
|
|
hash = &hashes[HASH_MD4];
|
|
break;
|
|
case 'm':
|
|
case '5':
|
|
if (dosum) {
|
|
warnx("sum mutually exclusive with md5");
|
|
usage();
|
|
}
|
|
hash = &hashes[HASH_MD5];
|
|
break;
|
|
case '1':
|
|
if (dosum) {
|
|
warnx("sum mutually exclusive with sha1");
|
|
usage();
|
|
}
|
|
hash = &hashes[HASH_SHA1];
|
|
break;
|
|
case '6':
|
|
if (dosum) {
|
|
warnx("sum mutually exclusive with rmd160");
|
|
usage();
|
|
}
|
|
hash = &hashes[HASH_RMD160];
|
|
break;
|
|
case 'c':
|
|
do_check = 1;
|
|
break;
|
|
case 'n':
|
|
normal = 1;
|
|
break;
|
|
case 'o':
|
|
if (hash) {
|
|
warnx("%s mutually exclusive with sum",
|
|
hash->hashname);
|
|
usage();
|
|
}
|
|
if (!strcmp(optarg, "1")) {
|
|
cfncn = csum1;
|
|
pfncn = psum1;
|
|
} else if (!strcmp(optarg, "2")) {
|
|
cfncn = csum2;
|
|
pfncn = psum2;
|
|
} else {
|
|
warnx("illegal argument to -o option");
|
|
usage();
|
|
}
|
|
break;
|
|
case 'p':
|
|
if (hash == NULL)
|
|
requirehash("-p");
|
|
pflag = 1;
|
|
break;
|
|
case 's':
|
|
if (hash == NULL)
|
|
requirehash("-s");
|
|
nohashstdin = 1;
|
|
hash->stringfunc(optarg);
|
|
break;
|
|
case 't':
|
|
if (hash == NULL)
|
|
requirehash("-t");
|
|
nohashstdin = 1;
|
|
hash->timetrialfunc();
|
|
break;
|
|
case 'w':
|
|
check_warn = 1;
|
|
break;
|
|
case 'x':
|
|
if (hash == NULL)
|
|
requirehash("-x");
|
|
nohashstdin = 1;
|
|
hash->testsuitefunc();
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (do_check) {
|
|
/*
|
|
* Verify checksums
|
|
*/
|
|
FILE *f;
|
|
char buf[BUFSIZ];
|
|
char *s, *p_filename, *p_cksum;
|
|
int l_filename, l_cksum;
|
|
char filename[BUFSIZ];
|
|
char cksum[BUFSIZ];
|
|
int ok,cnt,badcnt;
|
|
|
|
rval = 0;
|
|
cnt = badcnt = 0;
|
|
|
|
if (argc == 0) {
|
|
f = fdopen(STDIN_FILENO, "r");
|
|
} else {
|
|
f = fopen(argv[0], "r");
|
|
}
|
|
if (f == NULL)
|
|
err(1, "Cannot read %s",
|
|
argc>0?argv[0]:"stdin");
|
|
|
|
while(fgets(buf, sizeof(buf), f) != NULL) {
|
|
s=strrchr(buf, '\n');
|
|
if (s)
|
|
*s = '\0';
|
|
|
|
p_cksum = p_filename = NULL;
|
|
|
|
p_filename = strchr(buf, '(');
|
|
if (p_filename) {
|
|
/*
|
|
* Assume 'normal' output if there's a '('
|
|
*/
|
|
p_filename += 1;
|
|
normal = 0;
|
|
|
|
p_cksum = strrchr(p_filename, ')');
|
|
if (p_cksum == NULL) {
|
|
if (check_warn)
|
|
warnx("bogus format: %s. "
|
|
"Skipping...",
|
|
buf);
|
|
rval = 1;
|
|
continue;
|
|
}
|
|
p_cksum += 4;
|
|
|
|
l_cksum = strlen(p_cksum);
|
|
l_filename = p_cksum - p_filename - 4;
|
|
|
|
/* Sanity check, and find proper hash if
|
|
* it's not the same as the current program
|
|
*/
|
|
if (hash == NULL ||
|
|
strncmp(buf, hash->hashname,
|
|
strlen(hash->hashname)) != 0) {
|
|
/*
|
|
* Search proper hash
|
|
*/
|
|
struct hash *nhash;
|
|
|
|
for (nhash = hashes ;
|
|
nhash->hashname != NULL;
|
|
nhash++)
|
|
if (strncmp(buf,
|
|
nhash->hashname,
|
|
strlen(nhash->hashname)) == 0)
|
|
break;
|
|
|
|
|
|
if (nhash->hashname == NULL) {
|
|
if (check_warn)
|
|
warnx("unknown hash: %s",
|
|
buf);
|
|
rval = 1;
|
|
continue;
|
|
} else {
|
|
hash = nhash;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
if (hash) {
|
|
/*
|
|
* 'normal' output, no (ck)sum
|
|
*/
|
|
normal = 1;
|
|
|
|
p_cksum = buf;
|
|
p_filename = strchr(buf, ' ');
|
|
if (p_filename == NULL) {
|
|
if (check_warn)
|
|
warnx("no filename in %s? "
|
|
"Skipping...", buf);
|
|
rval = 1;
|
|
continue;
|
|
}
|
|
p_filename++;
|
|
l_filename = strlen(p_filename);
|
|
l_cksum = p_filename - buf - 1;
|
|
} else {
|
|
/*
|
|
* sum/cksum output format
|
|
*/
|
|
p_cksum = buf;
|
|
s=strchr(p_cksum, ' ');
|
|
if (s == NULL) {
|
|
if (check_warn)
|
|
warnx("bogus format: %s."
|
|
" Skipping...",
|
|
buf);
|
|
rval = 1;
|
|
continue;
|
|
}
|
|
l_cksum = s - p_cksum;
|
|
|
|
p_filename = strrchr(buf, ' ');
|
|
if (p_filename == NULL) {
|
|
if (check_warn)
|
|
warnx("no filename in %s?"
|
|
" Skipping...",
|
|
buf);
|
|
rval = 1;
|
|
continue;
|
|
}
|
|
p_filename++;
|
|
l_filename = strlen(p_filename);
|
|
}
|
|
}
|
|
|
|
strlcpy(filename, p_filename, l_filename+1);
|
|
strlcpy(cksum, p_cksum, l_cksum+1);
|
|
|
|
if (hash) {
|
|
if (access(filename, R_OK) == 0
|
|
&& strcmp(cksum, hash->filefunc(filename, NULL)) == 0)
|
|
ok = 1;
|
|
else
|
|
ok = 0;
|
|
} else {
|
|
if ((fd = open(filename, O_RDONLY, 0)) < 0) {
|
|
if (check_warn)
|
|
warn("%s", filename);
|
|
rval = 1;
|
|
ok = 0;
|
|
} else {
|
|
if (cfncn(fd, &val, &len))
|
|
ok = 0;
|
|
else {
|
|
u_int32_t should_val;
|
|
|
|
should_val =
|
|
strtoul(cksum, NULL, 10);
|
|
if (val == should_val)
|
|
ok = 1;
|
|
else
|
|
ok = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (! ok) {
|
|
if (hash)
|
|
printf("(%s) ", hash->hashname);
|
|
printf("%s: FAILED\n", filename);
|
|
badcnt++;
|
|
}
|
|
cnt++;
|
|
|
|
}
|
|
fclose(f);
|
|
|
|
if (badcnt > 0)
|
|
rval = 1;
|
|
|
|
} else {
|
|
/*
|
|
* Calculate checksums
|
|
*/
|
|
|
|
fd = STDIN_FILENO;
|
|
fn = NULL;
|
|
rval = 0;
|
|
do {
|
|
if (*argv) {
|
|
fn = *argv++;
|
|
if (hash != NULL) {
|
|
if (hash_digest_file(fn, hash, normal)) {
|
|
warn("%s", fn);
|
|
rval = 1;
|
|
}
|
|
continue;
|
|
}
|
|
if ((fd = open(fn, O_RDONLY, 0)) < 0) {
|
|
warn("%s", fn);
|
|
rval = 1;
|
|
continue;
|
|
}
|
|
} else if (hash && !nohashstdin) {
|
|
hash->filterfunc(pflag);
|
|
}
|
|
|
|
if (hash == NULL) {
|
|
if (cfncn(fd, &val, &len)) {
|
|
warn("%s", fn ? fn : "stdin");
|
|
rval = 1;
|
|
} else
|
|
pfncn(fn, val, len);
|
|
(void)close(fd);
|
|
}
|
|
} while (*argv);
|
|
}
|
|
exit(rval);
|
|
}
|
|
|
|
int
|
|
hash_digest_file(char *fn, struct hash *hash, int normal)
|
|
{
|
|
char *cp;
|
|
|
|
cp = hash->filefunc(fn, NULL);
|
|
if (cp == NULL)
|
|
return 1;
|
|
|
|
if (normal)
|
|
printf("%s %s\n", cp, fn);
|
|
else
|
|
printf("%s (%s) = %s\n", hash->hashname, fn, cp);
|
|
|
|
free(cp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
requirehash(const char *flg)
|
|
{
|
|
warnx("%s flag requires `md2', `md4', `md5', `sha1', or `rmd160'",
|
|
flg);
|
|
usage();
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
|
|
(void)fprintf(stderr, "usage: cksum [-nw] [-a algorithm | -c file | -m | -1 | -2 | -4 | -5 | -6 \n\t\t| [-o 1 | 2]] [file ...]\n");
|
|
(void)fprintf(stderr, " sum [-c] [file ...]\n");
|
|
(void)fprintf(stderr,
|
|
" md2 [-n] [-p | -t | -x | -s string] [file ...]\n");
|
|
(void)fprintf(stderr,
|
|
" md4 [-n] [-p | -t | -x | -s string] [file ...]\n");
|
|
(void)fprintf(stderr,
|
|
" md5 [-n] [-p | -t | -x | -s string] [file ...]\n");
|
|
(void)fprintf(stderr,
|
|
" sha1 [-n] [-p | -t | -x | -s string] [file ...]\n");
|
|
(void)fprintf(stderr,
|
|
" rmd160 [-n] [-p | -t | -x | -s string] [file ...]\n");
|
|
exit(1);
|
|
}
|