1 /*- 2 * Copyright (c) 2007 Kai Wang 3 * Copyright (c) 2007 Tim Kientzle 4 * Copyright (c) 2007 Joseph Koshy 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in this position and unchanged. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /*- 30 * Copyright (c) 1990, 1993, 1994 31 * The Regents of the University of California. All rights reserved. 32 * 33 * This code is derived from software contributed to Berkeley by 34 * Hugh Smith at The University of Guelph. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 */ 60 61 #include <sys/queue.h> 62 #include <sys/types.h> 63 #include <archive.h> 64 #include <errno.h> 65 #include <getopt.h> 66 #include <libelftc.h> 67 #include <libgen.h> 68 #include <stdio.h> 69 #include <stdlib.h> 70 #include <stdint.h> 71 #include <string.h> 72 73 #include "ar.h" 74 75 ELFTC_VCSID("$Id: ar.c 3319 2016-01-13 21:37:53Z jkoshy $"); 76 77 enum options 78 { 79 OPTION_HELP 80 }; 81 82 static struct option longopts[] = 83 { 84 {"flavor", required_argument, NULL, 'F'}, 85 {"help", no_argument, NULL, OPTION_HELP}, 86 {"version", no_argument, NULL, 'V'}, 87 {NULL, 0, NULL, 0} 88 }; 89 90 static void bsdar_usage(void); 91 static void ranlib_usage(void); 92 static void set_mode(struct bsdar *bsdar, char opt); 93 static void only_mode(struct bsdar *bsdar, const char *opt, 94 const char *valid_modes); 95 static void bsdar_version(void); 96 97 int 98 main(int argc, char **argv) 99 { 100 struct bsdar *bsdar, bsdar_storage; 101 char *arcmd, *argv1_saved; 102 size_t len; 103 int i, opt; 104 105 bsdar = &bsdar_storage; 106 memset(bsdar, 0, sizeof(*bsdar)); 107 108 arcmd = argv1_saved = NULL; 109 bsdar->output = stdout; 110 111 if ((bsdar->progname = ELFTC_GETPROGNAME()) == NULL) 112 bsdar->progname = "ar"; 113 114 if (elf_version(EV_CURRENT) == EV_NONE) 115 bsdar_errc(bsdar, 0, "ELF library initialization failed: %s", 116 elf_errmsg(-1)); 117 118 /* 119 * Act like ranlib if our name ends in "ranlib"; this 120 * accommodates names like "arm-freebsd7.1-ranlib", 121 * "bsdranlib", etc. 122 */ 123 len = strlen(bsdar->progname); 124 if (len >= strlen("ranlib") && 125 strcmp(bsdar->progname + len - strlen("ranlib"), "ranlib") == 0) { 126 while ((opt = getopt_long(argc, argv, "tDUV", longopts, 127 NULL)) != -1) { 128 switch(opt) { 129 case 't': 130 /* Ignored. */ 131 break; 132 case 'D': 133 bsdar->options |= AR_D; 134 break; 135 case 'U': 136 bsdar->options &= ~AR_D; 137 break; 138 case 'V': 139 bsdar_version(); 140 break; 141 case OPTION_HELP: 142 ranlib_usage(); 143 default: 144 ranlib_usage(); 145 } 146 } 147 argv += optind; 148 argc -= optind; 149 150 if (*argv == NULL) 151 ranlib_usage(); 152 153 bsdar->options |= AR_S; 154 while ((bsdar->filename = *argv++) != NULL) 155 ar_write_archive(bsdar, 's'); 156 157 exit(EXIT_SUCCESS); 158 } else { 159 if (argc < 2) 160 bsdar_usage(); 161 162 /* 163 * Tack on a leading '-', for old-style usage. 164 */ 165 if (*argv[1] != '-') { 166 argv1_saved = argv[1]; 167 len = strlen(argv[1]) + 2; 168 if ((arcmd = malloc(len)) == NULL) 169 bsdar_errc(bsdar, errno, "malloc failed"); 170 (void) snprintf(arcmd, len, "-%s", argv[1]); 171 argv[1] = arcmd; 172 } 173 } 174 175 while ((opt = getopt_long(argc, argv, "abCcdDfF:ijlMmopqrSsTtUuVvxz", 176 longopts, NULL)) != -1) { 177 switch(opt) { 178 case 'a': 179 bsdar->options |= AR_A; 180 break; 181 case 'b': 182 case 'i': 183 bsdar->options |= AR_B; 184 break; 185 case 'C': 186 bsdar->options |= AR_CC; 187 break; 188 case 'c': 189 bsdar->options |= AR_C; 190 break; 191 case 'd': 192 set_mode(bsdar, opt); 193 break; 194 case 'D': 195 bsdar->options |= AR_D; 196 break; 197 case 'F': 198 if (!strcasecmp(optarg, "svr4") || 199 !strcasecmp(optarg, "gnu")) 200 bsdar->options &= ~AR_BSD; 201 else if (!strcasecmp(optarg, "bsd")) 202 bsdar->options |= AR_BSD; 203 else 204 bsdar_usage(); 205 break; 206 case 'f': 207 case 'T': 208 bsdar->options |= AR_TR; 209 break; 210 case 'j': 211 /* ignored */ 212 break; 213 case 'l': 214 /* ignored, for GNU ar comptibility */ 215 break; 216 case 'M': 217 set_mode(bsdar, opt); 218 break; 219 case 'm': 220 set_mode(bsdar, opt); 221 break; 222 case 'o': 223 bsdar->options |= AR_O; 224 break; 225 case 'p': 226 set_mode(bsdar, opt); 227 break; 228 case 'q': 229 set_mode(bsdar, opt); 230 break; 231 case 'r': 232 set_mode(bsdar, opt); 233 break; 234 case 'S': 235 bsdar->options |= AR_SS; 236 break; 237 case 's': 238 bsdar->options |= AR_S; 239 break; 240 case 't': 241 set_mode(bsdar, opt); 242 break; 243 case 'U': 244 bsdar->options &= ~AR_D; 245 break; 246 case 'u': 247 bsdar->options |= AR_U; 248 break; 249 case 'V': 250 bsdar_version(); 251 break; 252 case 'v': 253 bsdar->options |= AR_V; 254 break; 255 case 'x': 256 set_mode(bsdar, opt); 257 break; 258 case 'z': 259 /* ignored */ 260 break; 261 case OPTION_HELP: 262 bsdar_usage(); 263 default: 264 bsdar_usage(); 265 } 266 } 267 268 /* Restore argv[1] if we had modified it. */ 269 if (arcmd != NULL) { 270 argv[1] = argv1_saved; 271 free(arcmd); 272 arcmd = argv1_saved = NULL; 273 } 274 275 argv += optind; 276 argc -= optind; 277 278 if (*argv == NULL && bsdar->mode != 'M') 279 bsdar_usage(); 280 281 if (bsdar->options & AR_A && bsdar->options & AR_B) 282 bsdar_errc(bsdar, 0, 283 "only one of -a and -[bi] options allowed"); 284 285 if (bsdar->options & AR_J && bsdar->options & AR_Z) 286 bsdar_errc(bsdar, 0, 287 "only one of -j and -z options allowed"); 288 289 if (bsdar->options & AR_S && bsdar->options & AR_SS) 290 bsdar_errc(bsdar, 0, 291 "only one of -s and -S options allowed"); 292 293 if (bsdar->options & (AR_A | AR_B)) { 294 if (*argv == NULL) 295 bsdar_errc(bsdar, 0, 296 "no position operand specified"); 297 if ((bsdar->posarg = basename(*argv)) == NULL) 298 bsdar_errc(bsdar, errno, 299 "basename failed"); 300 argc--; 301 argv++; 302 } 303 304 if (bsdar->options & AR_A) 305 only_mode(bsdar, "-a", "mqr"); 306 if (bsdar->options & AR_B) 307 only_mode(bsdar, "-b", "mqr"); 308 if (bsdar->options & AR_C) 309 only_mode(bsdar, "-c", "qr"); 310 if (bsdar->options & AR_CC) 311 only_mode(bsdar, "-C", "x"); 312 if (bsdar->options & AR_D) 313 only_mode(bsdar, "-D", "qr"); 314 if (bsdar->options & AR_O) 315 only_mode(bsdar, "-o", "x"); 316 if (bsdar->options & AR_SS) 317 only_mode(bsdar, "-S", "mqr"); 318 if (bsdar->options & AR_U) 319 only_mode(bsdar, "-u", "qrx"); 320 321 if (bsdar->mode == 'M') { 322 ar_mode_script(bsdar); 323 exit(EXIT_SUCCESS); 324 } 325 326 if ((bsdar->filename = *argv) == NULL) 327 bsdar_usage(); 328 329 bsdar->argc = --argc; 330 bsdar->argv = ++argv; 331 332 if ((!bsdar->mode || strchr("ptx", bsdar->mode)) && 333 bsdar->options & AR_S) { 334 ar_write_archive(bsdar, 's'); 335 if (!bsdar->mode) 336 exit(EXIT_SUCCESS); 337 } 338 339 switch(bsdar->mode) { 340 case 'd': case 'm': case 'q': case 'r': 341 ar_write_archive(bsdar, bsdar->mode); 342 break; 343 344 case 'p': case 't': case 'x': 345 ar_read_archive(bsdar, bsdar->mode); 346 break; 347 default: 348 bsdar_usage(); 349 /* NOTREACHED */ 350 } 351 352 for (i = 0; i < bsdar->argc; i++) 353 if (bsdar->argv[i] != NULL) 354 bsdar_warnc(bsdar, 0, "%s: not found in archive", 355 bsdar->argv[i]); 356 357 exit(EXIT_SUCCESS); 358 } 359 360 static void 361 set_mode(struct bsdar *bsdar, char opt) 362 { 363 364 if (bsdar->mode != '\0' && bsdar->mode != opt) 365 bsdar_errc(bsdar, 0, "Can't specify both -%c and -%c", 366 opt, bsdar->mode); 367 bsdar->mode = opt; 368 } 369 370 static void 371 only_mode(struct bsdar *bsdar, const char *opt, const char *valid_modes) 372 { 373 374 if (strchr(valid_modes, bsdar->mode) == NULL) 375 bsdar_errc(bsdar, 0, "Option %s is not permitted in mode -%c", 376 opt, bsdar->mode); 377 } 378 379 #define AR_USAGE_MESSAGE "\ 380 Usage: %s <command> [options] archive file...\n\ 381 Manage archives.\n\n\ 382 Where <command> is one of:\n\ 383 -d Delete members from the archive.\n\ 384 -m Move archive members within the archive.\n\ 385 -p Write the contents of members to standard output.\n\ 386 -q Append files to an archive.\n\ 387 -r Replace (add) files to an archive.\n\ 388 -s Add an archive symbol to an archive.\n\ 389 -t List files in an archive.\n\ 390 -x Extract members from an archive.\n\ 391 -M Execute MRI librarian commands.\n\ 392 -V Print a version identifier and exit.\n\n\ 393 Options:\n\ 394 -a MEMBER Add members after the specified member.\n\ 395 -b MEMBER | -i MEMBER\n\ 396 Add members before the specified member.\n\ 397 -c Do not print a message when creating a new archive.\n\ 398 -f | -T Only use the first fifteen characters of the member name.\n\ 399 -j (This option is accepted, but is ignored).\n\ 400 -l (This option is accepted, but is ignored).\n\ 401 -o Preserve modification times when extracting members.\n\ 402 -u Conditionally update or extract members.\n\ 403 -v Be verbose.\n\ 404 -z (This option is accepted, but is ignored).\n\ 405 -C Do not overwrite existing files in the file system.\n\ 406 -D Use fixed metadata, for consistent archive checksums.\n\ 407 -F FORMAT | --flavor=FORMAT\n\ 408 Create archives with the specified format.\n\ 409 -S Do not generate an archive symbol table.\n\ 410 -U Use original metadata for archive members.\n" 411 412 static void 413 bsdar_usage(void) 414 { 415 (void) fprintf(stderr, AR_USAGE_MESSAGE, ELFTC_GETPROGNAME()); 416 exit(EXIT_FAILURE); 417 } 418 419 #define RANLIB_USAGE_MESSAGE "\ 420 Usage: %s [options] archive...\n\ 421 Update or create archive symbol tables.\n\n\ 422 Options:\n\ 423 -t (This option is accepted, but ignored).\n\ 424 -D Use fixed metadata, for consistent archive checksums.\n\ 425 -U Use original metadata, for unique archive checksums.\n\ 426 -V Print a version identifier and exit.\n" 427 428 static void 429 ranlib_usage(void) 430 { 431 (void)fprintf(stderr, RANLIB_USAGE_MESSAGE, ELFTC_GETPROGNAME()); 432 exit(EXIT_FAILURE); 433 } 434 435 static void 436 bsdar_version(void) 437 { 438 (void)printf("%s (%s, %s)\n", ELFTC_GETPROGNAME(), archive_version_string(), 439 elftc_version()); 440 exit(EXIT_SUCCESS); 441 } 442