cksum.c revision 1.18
1 /* $NetBSD: cksum.c,v 1.18 2003/08/07 11:13:20 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * James W. Williams of NASA Goddard Space Flight Center. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /*- 36 * Copyright (c) 1997 Jason R. Thorpe. All rights reserved. 37 * 38 * This code is derived from software contributed to Berkeley by 39 * James W. Williams of NASA Goddard Space Flight Center. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by the University of 52 * California, Berkeley and its contributors. 53 * 4. Neither the name of the University nor the names of its contributors 54 * may be used to endorse or promote products derived from this software 55 * without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 67 * SUCH DAMAGE. 68 */ 69 70 #include <sys/cdefs.h> 71 #if defined(__COPYRIGHT) && !defined(lint) 72 __COPYRIGHT("@(#) Copyright (c) 1991, 1993\n\ 73 The Regents of the University of California. All rights reserved.\n"); 74 #endif /* not lint */ 75 76 #if defined(__RCSID) && !defined(lint) 77 #if 0 78 static char sccsid[] = "@(#)cksum.c 8.2 (Berkeley) 4/28/95"; 79 #endif 80 __RCSID("$NetBSD: cksum.c,v 1.18 2003/08/07 11:13:20 agc Exp $"); 81 #endif /* not lint */ 82 83 #include <sys/cdefs.h> 84 #include <sys/types.h> 85 86 #include <err.h> 87 #include <errno.h> 88 #include <fcntl.h> 89 #include <locale.h> 90 #include <md5.h> 91 #include <md4.h> 92 #include <md2.h> 93 #include <sha1.h> 94 #include <rmd160.h> 95 #include <stdio.h> 96 #include <stdlib.h> 97 #include <string.h> 98 #include <unistd.h> 99 100 #include "extern.h" 101 102 #define HASH_MD2 0 103 #define HASH_MD4 1 104 #define HASH_MD5 2 105 #define HASH_SHA1 3 106 #define HASH_RMD160 4 107 108 typedef char *(*_filefunc)(const char *, char *); 109 110 struct hash { 111 const char *progname; 112 const char *hashname; 113 void (*stringfunc)(const char *); 114 void (*timetrialfunc)(void); 115 void (*testsuitefunc)(void); 116 void (*filterfunc)(int); 117 char *(*filefunc)(const char *, char *); 118 } hashes[] = { 119 { "md2", "MD2", 120 MD2String, MD2TimeTrial, MD2TestSuite, 121 MD2Filter, MD2File }, 122 { "md4", "MD4", 123 MD4String, MD4TimeTrial, MD4TestSuite, 124 MD4Filter, MD4File }, 125 { "md5", "MD5", 126 MD5String, MD5TimeTrial, MD5TestSuite, 127 MD5Filter, MD5File }, 128 { "sha1", "SHA1", 129 SHA1String, SHA1TimeTrial, SHA1TestSuite, 130 SHA1Filter, (_filefunc) SHA1File }, 131 { "rmd160", "RMD160", 132 RMD160String, RMD160TimeTrial, RMD160TestSuite, 133 RMD160Filter, (_filefunc) RMD160File }, 134 { NULL } 135 }; 136 137 int main __P((int, char **)); 138 int hash_digest_file __P((char *, struct hash *, int)); 139 void requirehash __P((const char *)); 140 void usage __P((void)); 141 142 int 143 main(argc, argv) 144 int argc; 145 char **argv; 146 { 147 register int ch, fd, rval, dosum, pflag, nohashstdin; 148 u_int32_t len, val; 149 char *fn; 150 const char *progname; 151 int (*cfncn) __P((int, u_int32_t *, u_int32_t *)); 152 void (*pfncn) __P((char *, u_int32_t, u_int32_t)); 153 struct hash *hash; 154 int normal; 155 156 cfncn = NULL; 157 pfncn = NULL; 158 dosum = pflag = nohashstdin = 0; 159 normal = 0; 160 161 setlocale(LC_ALL, ""); 162 163 progname = getprogname(); 164 165 for (hash = hashes; hash->hashname != NULL; hash++) 166 if (strcmp(progname, hash->progname) == 0) 167 break; 168 169 if (hash->hashname == NULL) { 170 hash = NULL; 171 172 if (!strcmp(progname, "sum")) { 173 dosum = 1; 174 cfncn = csum1; 175 pfncn = psum1; 176 } else { 177 cfncn = crc; 178 pfncn = pcrc; 179 } 180 } 181 182 while ((ch = getopt(argc, argv, "mno:ps:tx12456")) != -1) 183 switch(ch) { 184 case '2': 185 if (dosum) { 186 warnx("sum mutually exclusive with md2"); 187 usage(); 188 } 189 hash = &hashes[HASH_MD2]; 190 break; 191 case '4': 192 if (dosum) { 193 warnx("sum mutually exclusive with md4"); 194 usage(); 195 } 196 hash = &hashes[HASH_MD4]; 197 break; 198 case 'm': 199 case '5': 200 if (dosum) { 201 warnx("sum mutually exclusive with md5"); 202 usage(); 203 } 204 hash = &hashes[HASH_MD5]; 205 break; 206 case '1': 207 if (dosum) { 208 warnx("sum mutually exclusive with sha1"); 209 usage(); 210 } 211 hash = &hashes[HASH_SHA1]; 212 break; 213 case '6': 214 if (dosum) { 215 warnx("sum mutually exclusive with rmd160"); 216 usage(); 217 } 218 hash = &hashes[HASH_RMD160]; 219 break; 220 case 'n': 221 normal = 1; 222 break; 223 case 'o': 224 if (hash) { 225 warnx("%s mutually exclusive with sum", 226 hash->hashname); 227 usage(); 228 } 229 if (!strcmp(optarg, "1")) { 230 cfncn = csum1; 231 pfncn = psum1; 232 } else if (!strcmp(optarg, "2")) { 233 cfncn = csum2; 234 pfncn = psum2; 235 } else { 236 warnx("illegal argument to -o option"); 237 usage(); 238 } 239 break; 240 case 'p': 241 if (hash == NULL) 242 requirehash("-p"); 243 pflag = 1; 244 break; 245 case 's': 246 if (hash == NULL) 247 requirehash("-s"); 248 nohashstdin = 1; 249 hash->stringfunc(optarg); 250 break; 251 case 't': 252 if (hash == NULL) 253 requirehash("-t"); 254 nohashstdin = 1; 255 hash->timetrialfunc(); 256 break; 257 case 'x': 258 if (hash == NULL) 259 requirehash("-x"); 260 nohashstdin = 1; 261 hash->testsuitefunc(); 262 break; 263 case '?': 264 default: 265 usage(); 266 } 267 argc -= optind; 268 argv += optind; 269 270 fd = STDIN_FILENO; 271 fn = NULL; 272 rval = 0; 273 do { 274 if (*argv) { 275 fn = *argv++; 276 if (hash != NULL) { 277 if (hash_digest_file(fn, hash, normal)) { 278 warn("%s", fn); 279 rval = 1; 280 } 281 continue; 282 } 283 if ((fd = open(fn, O_RDONLY, 0)) < 0) { 284 warn("%s", fn); 285 rval = 1; 286 continue; 287 } 288 } else if (hash && !nohashstdin) { 289 hash->filterfunc(pflag); 290 } 291 292 if (hash == NULL) { 293 if (cfncn(fd, &val, &len)) { 294 warn("%s", fn ? fn : "stdin"); 295 rval = 1; 296 } else 297 pfncn(fn, val, len); 298 (void)close(fd); 299 } 300 } while (*argv); 301 exit(rval); 302 } 303 304 int 305 hash_digest_file(fn, hash, normal) 306 char *fn; 307 struct hash *hash; 308 int normal; 309 { 310 char buf[41], *cp; 311 312 cp = hash->filefunc(fn, buf); 313 if (cp == NULL) 314 return (1); 315 316 if (normal) 317 printf("%s %s\n", cp, fn); 318 else 319 printf("%s (%s) = %s\n", hash->hashname, fn, cp); 320 return (0); 321 } 322 323 void 324 requirehash(flg) 325 const char *flg; 326 { 327 warnx("%s flag requires `md2', `md4', `md5', `sha1', or `rmd160'", 328 flg); 329 usage(); 330 } 331 332 void 333 usage() 334 { 335 336 (void)fprintf(stderr, "usage: cksum [-m | [-o 1 | 2]] [file ...]\n"); 337 (void)fprintf(stderr, " sum [file ...]\n"); 338 (void)fprintf(stderr, 339 " md2 [-n] [-p | -t | -x | -s string] [file ...]\n"); 340 (void)fprintf(stderr, 341 " md4 [-n] [-p | -t | -x | -s string] [file ...]\n"); 342 (void)fprintf(stderr, 343 " md5 [-n] [-p | -t | -x | -s string] [file ...]\n"); 344 (void)fprintf(stderr, 345 " sha1 [-n] [-p | -t | -x | -s string] [file ...]\n"); 346 (void)fprintf(stderr, 347 " rmd160 [-n] [-p | -t | -x | -s string] [file ...]\n"); 348 exit(1); 349 } 350
Indexes created Thu Sep 25 08:09:54 GMT 2025