/* $NetBSD: cksum.c,v 1.26 2005/08/21 19:33:10 elad 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 #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 1.26 2005/08/21 19:33:10 elad Exp $"); #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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 }, { 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; cfncn = NULL; pfncn = NULL; dosum = pflag = nohashstdin = 0; normal = 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:mno:ps:tx12456")) != -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 '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 'x': if (hash == NULL) requirehash("-x"); nohashstdin = 1; hash->testsuitefunc(); break; case '?': default: usage(); } argc -= optind; argv += optind; 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 buf[41], *cp; cp = hash->filefunc(fn, buf); if (cp == NULL) return 1; if (normal) printf("%s %s\n", cp, fn); else printf("%s (%s) = %s\n", hash->hashname, fn, 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 [-n] [-m | -1 | -2 | -4 | -5 | -6 | [-o 1 | 2]] [file ...]\n"); (void)fprintf(stderr, " sum [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); }