xref: /freebsd/usr.bin/ar/ar.c (revision ca987d4641cdcd7f27e153db17c5bf064934faf5)
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/cdefs.h>
62 __FBSDID("$FreeBSD$");
63 
64 #include <sys/queue.h>
65 #include <sys/types.h>
66 #include <archive.h>
67 #include <errno.h>
68 #include <getopt.h>
69 #include <libgen.h>
70 #include <stdio.h>
71 #include <stdlib.h>
72 #include <string.h>
73 #include <sysexits.h>
74 
75 #include "ar.h"
76 
77 enum options
78 {
79 	OPTION_HELP
80 };
81 
82 static struct option longopts[] =
83 {
84 	{"help", no_argument, NULL, OPTION_HELP},
85 	{"version", no_argument, NULL, 'V'},
86 	{NULL, 0, NULL, 0}
87 };
88 
89 static void	bsdar_usage(void);
90 static void	ranlib_usage(void);
91 static void	set_mode(struct bsdar *bsdar, char opt);
92 static void	only_mode(struct bsdar *bsdar, const char *opt,
93 		    const char *valid_modes);
94 static void	bsdar_version(void);
95 static void	ranlib_version(void);
96 
97 int
98 main(int argc, char **argv)
99 {
100 	struct bsdar	*bsdar, bsdar_storage;
101 	char		*p;
102 	size_t		 len;
103 	int		 i, opt, Dflag, Uflag;
104 
105 	bsdar = &bsdar_storage;
106 	memset(bsdar, 0, sizeof(*bsdar));
107 	Dflag = 0;
108 	Uflag = 0;
109 
110 	if ((bsdar->progname = getprogname()) == NULL)
111 		bsdar->progname = "ar";
112 
113 	/* Act like ranlib if our name ends in "ranlib"; this
114 	 * accommodates arm-freebsd7.1-ranlib, bsdranlib, etc. */
115 	len = strlen(bsdar->progname);
116 	if (len >= strlen("ranlib") &&
117 	    strcmp(bsdar->progname + len - strlen("ranlib"), "ranlib") == 0) {
118 		while ((opt = getopt_long(argc, argv, "tDUV", longopts,
119 		    NULL)) != -1) {
120 			switch(opt) {
121 			case 't':
122 				/* Ignored. */
123 				break;
124 			case 'D':
125 				Dflag = 1;
126 				Uflag = 0;
127 				break;
128 			case 'U':
129 				Uflag = 1;
130 				Dflag = 0;
131 				break;
132 			case 'V':
133 				ranlib_version();
134 				break;
135 			case OPTION_HELP:
136 				ranlib_usage();
137 			default:
138 				ranlib_usage();
139 			}
140 		}
141 		argv += optind;
142 		argc -= optind;
143 
144 		if (*argv == NULL)
145 			ranlib_usage();
146 
147 		/* Enable determinstic mode unless -U is set. */
148 		if (Uflag == 0)
149 			bsdar->options |= AR_D;
150 		bsdar->options |= AR_S;
151 		while ((bsdar->filename = *argv++) != NULL)
152 			ar_mode_s(bsdar);
153 
154 		exit(EX_OK);
155 	} else {
156 		if (argc < 2)
157 			bsdar_usage();
158 
159 		if (*argv[1] != '-') {
160 			len = strlen(argv[1]) + 2;
161 			if ((p = malloc(len)) == NULL)
162 				bsdar_errc(bsdar, EX_SOFTWARE, errno,
163 				    "malloc failed");
164 			*p = '-';
165 			(void)strlcpy(p + 1, argv[1], len - 1);
166 			argv[1] = p;
167 		}
168 	}
169 
170 	while ((opt = getopt_long(argc, argv, "abCcdDfijlMmopqrSsTtUuVvxz",
171 	    longopts, NULL)) != -1) {
172 		switch(opt) {
173 		case 'a':
174 			bsdar->options |= AR_A;
175 			break;
176 		case 'b':
177 		case 'i':
178 			bsdar->options |= AR_B;
179 			break;
180 		case 'C':
181 			bsdar->options |= AR_CC;
182 			break;
183 		case 'c':
184 			bsdar->options |= AR_C;
185 			break;
186 		case 'd':
187 			set_mode(bsdar, opt);
188 			break;
189 		case 'D':
190 			Dflag = 1;
191 			Uflag = 0;
192 			break;
193 		case 'f':
194 		case 'T':
195 			bsdar->options |= AR_TR;
196 			break;
197 		case 'j':
198 			/* ignored */
199 			break;
200 		case 'l':
201 			/* ignored, for GNU ar comptibility */
202 			break;
203 		case 'M':
204 			set_mode(bsdar, opt);
205 			break;
206 		case 'm':
207 			set_mode(bsdar, opt);
208 			break;
209 		case 'o':
210 			bsdar->options |= AR_O;
211 			break;
212 		case 'p':
213 			set_mode(bsdar, opt);
214 			break;
215 		case 'q':
216 			set_mode(bsdar, opt);
217 			break;
218 		case 'r':
219 			set_mode(bsdar, opt);
220 			break;
221 		case 'S':
222 			bsdar->options |= AR_SS;
223 			break;
224 		case 's':
225 			bsdar->options |= AR_S;
226 			break;
227 		case 't':
228 			set_mode(bsdar, opt);
229 			break;
230 		case 'U':
231 			Uflag = 1;
232 			Dflag = 0;
233 			break;
234 		case 'u':
235 			bsdar->options |= AR_U;
236 			break;
237 		case 'V':
238 			bsdar_version();
239 			break;
240 		case 'v':
241 			bsdar->options |= AR_V;
242 			break;
243 		case 'x':
244 			set_mode(bsdar, opt);
245 			break;
246 		case 'z':
247 			/* ignored */
248 			break;
249 		case OPTION_HELP:
250 			bsdar_usage();
251 		default:
252 			bsdar_usage();
253 		}
254 	}
255 
256 	argv += optind;
257 	argc -= optind;
258 
259 	if (*argv == NULL && bsdar->mode != 'M')
260 		bsdar_usage();
261 
262 	if (bsdar->options & AR_A && bsdar->options & AR_B)
263 		bsdar_errc(bsdar, EX_USAGE, 0,
264 		    "only one of -a and -[bi] options allowed");
265 
266 	if (bsdar->options & AR_J && bsdar->options & AR_Z)
267 		bsdar_errc(bsdar, EX_USAGE, 0,
268 		    "only one of -j and -z options allowed");
269 
270 	if (bsdar->options & AR_S && bsdar->options & AR_SS)
271 		bsdar_errc(bsdar, EX_USAGE, 0,
272 		    "only one of -s and -S options allowed");
273 
274 	if (bsdar->options & (AR_A | AR_B)) {
275 		if (*argv == NULL)
276 			bsdar_errc(bsdar, EX_USAGE, 0,
277 			    "no position operand specified");
278 		if ((bsdar->posarg = basename(*argv)) == NULL)
279 			bsdar_errc(bsdar, EX_SOFTWARE, errno,
280 			    "basename failed");
281 		argc--;
282 		argv++;
283 	}
284 
285 	/* Set determinstic mode for -D, and by default without -U. */
286 	if (Dflag || (Uflag == 0 && (bsdar->mode == 'q' || bsdar->mode == 'r' ||
287 	    (bsdar->mode == '\0' && bsdar->options & AR_S))))
288 		bsdar->options |= AR_D;
289 
290 	if (bsdar->options & AR_A)
291 		only_mode(bsdar, "-a", "mqr");
292 	if (bsdar->options & AR_B)
293 		only_mode(bsdar, "-b", "mqr");
294 	if (bsdar->options & AR_C)
295 		only_mode(bsdar, "-c", "qr");
296 	if (bsdar->options & AR_CC)
297 		only_mode(bsdar, "-C", "x");
298 	if (Dflag)
299 		only_mode(bsdar, "-D", "qr");
300 	if (Uflag)
301 		only_mode(bsdar, "-U", "qr");
302 	if (bsdar->options & AR_O)
303 		only_mode(bsdar, "-o", "x");
304 	if (bsdar->options & AR_SS)
305 		only_mode(bsdar, "-S", "mqr");
306 	if (bsdar->options & AR_U)
307 		only_mode(bsdar, "-u", "qrx");
308 
309 	if (bsdar->mode == 'M') {
310 		ar_mode_script(bsdar);
311 		exit(EX_OK);
312 	}
313 
314 	if ((bsdar->filename = *argv) == NULL)
315 		bsdar_usage();
316 
317 	bsdar->argc = --argc;
318 	bsdar->argv = ++argv;
319 
320 	if ((!bsdar->mode || strchr("ptx", bsdar->mode)) &&
321 	    bsdar->options & AR_S) {
322 		ar_mode_s(bsdar);
323 		if (!bsdar->mode)
324 			exit(EX_OK);
325 	}
326 
327 	switch(bsdar->mode) {
328 	case 'd':
329 		ar_mode_d(bsdar);
330 		break;
331 	case 'm':
332 		ar_mode_m(bsdar);
333 		break;
334 	case 'p':
335 		ar_mode_p(bsdar);
336 		break;
337 	case 'q':
338 		ar_mode_q(bsdar);
339 		break;
340 	case 'r':
341 		ar_mode_r(bsdar);
342 		break;
343 	case 't':
344 		ar_mode_t(bsdar);
345 		break;
346 	case 'x':
347 		ar_mode_x(bsdar);
348 		break;
349 	default:
350 		bsdar_usage();
351 		/* NOTREACHED */
352 	}
353 
354 	for (i = 0; i < bsdar->argc; i++)
355 		if (bsdar->argv[i] != NULL)
356 			bsdar_warnc(bsdar, 0, "%s: not found in archive",
357 			    bsdar->argv[i]);
358 
359 	exit(EX_OK);
360 }
361 
362 static void
363 set_mode(struct bsdar *bsdar, char opt)
364 {
365 
366 	if (bsdar->mode != '\0' && bsdar->mode != opt)
367 		bsdar_errc(bsdar, EX_USAGE, 0,
368 		    "Can't specify both -%c and -%c", opt, bsdar->mode);
369 	bsdar->mode = opt;
370 }
371 
372 static void
373 only_mode(struct bsdar *bsdar, const char *opt, const char *valid_modes)
374 {
375 
376 	if (strchr(valid_modes, bsdar->mode) == NULL)
377 		bsdar_errc(bsdar, EX_USAGE, 0,
378 		    "Option %s is not permitted in mode -%c", opt, bsdar->mode);
379 }
380 
381 static void
382 bsdar_usage(void)
383 {
384 
385 	(void)fprintf(stderr, "usage:  ar -d [-Tjsvz] archive file ...\n");
386 	(void)fprintf(stderr, "\tar -m [-Tjsvz] archive file ...\n");
387 	(void)fprintf(stderr, "\tar -m [-Tabijsvz] position archive file ...\n");
388 	(void)fprintf(stderr, "\tar -p [-Tv] archive [file ...]\n");
389 	(void)fprintf(stderr, "\tar -q [-TcDjsUvz] archive file ...\n");
390 	(void)fprintf(stderr, "\tar -r [-TcDjsUuvz] archive file ...\n");
391 	(void)fprintf(stderr, "\tar -r [-TabcDijsUuvz] position archive file ...\n");
392 	(void)fprintf(stderr, "\tar -s [-jz] archive\n");
393 	(void)fprintf(stderr, "\tar -t [-Tv] archive [file ...]\n");
394 	(void)fprintf(stderr, "\tar -x [-CTouv] archive [file ...]\n");
395 	(void)fprintf(stderr, "\tar -V\n");
396 	exit(EX_USAGE);
397 }
398 
399 static void
400 ranlib_usage(void)
401 {
402 
403 	(void)fprintf(stderr, "usage:	ranlib [-DtU] archive ...\n");
404 	(void)fprintf(stderr, "\tranlib -V\n");
405 	exit(EX_USAGE);
406 }
407 
408 static void
409 bsdar_version(void)
410 {
411 	(void)printf("BSD ar %s - %s\n", BSDAR_VERSION, archive_version_string());
412 	exit(EX_OK);
413 }
414 
415 static void
416 ranlib_version(void)
417 {
418 	(void)printf("ranlib %s - %s\n", BSDAR_VERSION, archive_version_string());
419 	exit(EX_OK);
420 }
421