xref: /freebsd/usr.bin/ar/ar.c (revision ae1f3df43466466a21c7da0df93ecb58a3e53d74)
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 		bsdar->options |= AR_S;
148 		for (;(bsdar->filename = *argv++) != NULL;)
149 			ar_mode_s(bsdar);
150 
151 		exit(EX_OK);
152 	} else {
153 		if (argc < 2)
154 			bsdar_usage();
155 
156 		if (*argv[1] != '-') {
157 			len = strlen(argv[1]) + 2;
158 			if ((p = malloc(len)) == NULL)
159 				bsdar_errc(bsdar, EX_SOFTWARE, errno,
160 				    "malloc failed");
161 			*p = '-';
162 			(void)strlcpy(p + 1, argv[1], len - 1);
163 			argv[1] = p;
164 		}
165 	}
166 
167 	while ((opt = getopt_long(argc, argv, "abCcdDfijlMmopqrSsTtUuVvxz",
168 	    longopts, NULL)) != -1) {
169 		switch(opt) {
170 		case 'a':
171 			bsdar->options |= AR_A;
172 			break;
173 		case 'b':
174 		case 'i':
175 			bsdar->options |= AR_B;
176 			break;
177 		case 'C':
178 			bsdar->options |= AR_CC;
179 			break;
180 		case 'c':
181 			bsdar->options |= AR_C;
182 			break;
183 		case 'd':
184 			set_mode(bsdar, opt);
185 			break;
186 		case 'D':
187 			Dflag = 1;
188 			Uflag = 0;
189 			break;
190 		case 'f':
191 		case 'T':
192 			bsdar->options |= AR_TR;
193 			break;
194 		case 'j':
195 			/* ignored */
196 			break;
197 		case 'l':
198 			/* ignored, for GNU ar comptibility */
199 			break;
200 		case 'M':
201 			set_mode(bsdar, opt);
202 			break;
203 		case 'm':
204 			set_mode(bsdar, opt);
205 			break;
206 		case 'o':
207 			bsdar->options |= AR_O;
208 			break;
209 		case 'p':
210 			set_mode(bsdar, opt);
211 			break;
212 		case 'q':
213 			set_mode(bsdar, opt);
214 			break;
215 		case 'r':
216 			set_mode(bsdar, opt);
217 			break;
218 		case 'S':
219 			bsdar->options |= AR_SS;
220 			break;
221 		case 's':
222 			bsdar->options |= AR_S;
223 			break;
224 		case 't':
225 			set_mode(bsdar, opt);
226 			break;
227 		case 'U':
228 			Uflag = 1;
229 			Dflag = 0;
230 			break;
231 		case 'u':
232 			bsdar->options |= AR_U;
233 			break;
234 		case 'V':
235 			bsdar_version();
236 			break;
237 		case 'v':
238 			bsdar->options |= AR_V;
239 			break;
240 		case 'x':
241 			set_mode(bsdar, opt);
242 			break;
243 		case 'z':
244 			/* ignored */
245 			break;
246 		case OPTION_HELP:
247 			bsdar_usage();
248 		default:
249 			bsdar_usage();
250 		}
251 	}
252 
253 	argv += optind;
254 	argc -= optind;
255 
256 	if (*argv == NULL && bsdar->mode != 'M')
257 		bsdar_usage();
258 
259 	if (bsdar->options & AR_A && bsdar->options & AR_B)
260 		bsdar_errc(bsdar, EX_USAGE, 0,
261 		    "only one of -a and -[bi] options allowed");
262 
263 	if (bsdar->options & AR_J && bsdar->options & AR_Z)
264 		bsdar_errc(bsdar, EX_USAGE, 0,
265 		    "only one of -j and -z options allowed");
266 
267 	if (bsdar->options & AR_S && bsdar->options & AR_SS)
268 		bsdar_errc(bsdar, EX_USAGE, 0,
269 		    "only one of -s and -S options allowed");
270 
271 	if (bsdar->options & (AR_A | AR_B)) {
272 		if ((bsdar->posarg = *argv) == NULL)
273 			bsdar_errc(bsdar, EX_USAGE, 0,
274 			    "no position operand specified");
275 		if ((bsdar->posarg = basename(bsdar->posarg)) == NULL)
276 			bsdar_errc(bsdar, EX_SOFTWARE, errno,
277 			    "basename failed");
278 		argc--;
279 		argv++;
280 	}
281 
282 	/* Set determinstic mode for -D, and by default without -U. */
283 	if (Dflag || (Uflag == 0 && (bsdar->mode == 'q' || bsdar->mode == 'r')))
284 		bsdar->options |= AR_D;
285 
286 	if (bsdar->options & AR_A)
287 		only_mode(bsdar, "-a", "mqr");
288 	if (bsdar->options & AR_B)
289 		only_mode(bsdar, "-b", "mqr");
290 	if (bsdar->options & AR_C)
291 		only_mode(bsdar, "-c", "qr");
292 	if (bsdar->options & AR_CC)
293 		only_mode(bsdar, "-C", "x");
294 	if (Dflag)
295 		only_mode(bsdar, "-D", "qr");
296 	if (Uflag)
297 		only_mode(bsdar, "-U", "qr");
298 	if (bsdar->options & AR_O)
299 		only_mode(bsdar, "-o", "x");
300 	if (bsdar->options & AR_SS)
301 		only_mode(bsdar, "-S", "mqr");
302 	if (bsdar->options & AR_U)
303 		only_mode(bsdar, "-u", "qrx");
304 
305 	if (bsdar->mode == 'M') {
306 		ar_mode_script(bsdar);
307 		exit(EX_OK);
308 	}
309 
310 	if ((bsdar->filename = *argv) == NULL)
311 		bsdar_usage();
312 
313 	bsdar->argc = --argc;
314 	bsdar->argv = ++argv;
315 
316 	if ((!bsdar->mode || strchr("ptx", bsdar->mode)) &&
317 	    bsdar->options & AR_S) {
318 		ar_mode_s(bsdar);
319 		if (!bsdar->mode)
320 			exit(EX_OK);
321 	}
322 
323 	switch(bsdar->mode) {
324 	case 'd':
325 		ar_mode_d(bsdar);
326 		break;
327 	case 'm':
328 		ar_mode_m(bsdar);
329 		break;
330 	case 'p':
331 		ar_mode_p(bsdar);
332 		break;
333 	case 'q':
334 		ar_mode_q(bsdar);
335 		break;
336 	case 'r':
337 		ar_mode_r(bsdar);
338 		break;
339 	case 't':
340 		ar_mode_t(bsdar);
341 		break;
342 	case 'x':
343 		ar_mode_x(bsdar);
344 		break;
345 	default:
346 		bsdar_usage();
347 		/* NOTREACHED */
348 	}
349 
350 	for (i = 0; i < bsdar->argc; i++)
351 		if (bsdar->argv[i] != NULL)
352 			bsdar_warnc(bsdar, 0, "%s: not found in archive",
353 			    bsdar->argv[i]);
354 
355 	exit(EX_OK);
356 }
357 
358 static void
359 set_mode(struct bsdar *bsdar, char opt)
360 {
361 
362 	if (bsdar->mode != '\0' && bsdar->mode != opt)
363 		bsdar_errc(bsdar, EX_USAGE, 0,
364 		    "Can't specify both -%c and -%c", opt, bsdar->mode);
365 	bsdar->mode = opt;
366 }
367 
368 static void
369 only_mode(struct bsdar *bsdar, const char *opt, const char *valid_modes)
370 {
371 
372 	if (strchr(valid_modes, bsdar->mode) == NULL)
373 		bsdar_errc(bsdar, EX_USAGE, 0,
374 		    "Option %s is not permitted in mode -%c", opt, bsdar->mode);
375 }
376 
377 static void
378 bsdar_usage(void)
379 {
380 
381 	(void)fprintf(stderr, "usage:  ar -d [-Tjsvz] archive file ...\n");
382 	(void)fprintf(stderr, "\tar -m [-Tjsvz] archive file ...\n");
383 	(void)fprintf(stderr, "\tar -m [-Tabijsvz] position archive file ...\n");
384 	(void)fprintf(stderr, "\tar -p [-Tv] archive [file ...]\n");
385 	(void)fprintf(stderr, "\tar -q [-TcDjsUvz] archive file ...\n");
386 	(void)fprintf(stderr, "\tar -r [-TcDjsUuvz] archive file ...\n");
387 	(void)fprintf(stderr, "\tar -r [-TabcDijsUuvz] position archive file ...\n");
388 	(void)fprintf(stderr, "\tar -s [-jz] archive\n");
389 	(void)fprintf(stderr, "\tar -t [-Tv] archive [file ...]\n");
390 	(void)fprintf(stderr, "\tar -x [-CTouv] archive [file ...]\n");
391 	(void)fprintf(stderr, "\tar -V\n");
392 	exit(EX_USAGE);
393 }
394 
395 static void
396 ranlib_usage(void)
397 {
398 
399 	(void)fprintf(stderr, "usage:	ranlib [-DtU] archive ...\n");
400 	(void)fprintf(stderr, "\tranlib -V\n");
401 	exit(EX_USAGE);
402 }
403 
404 static void
405 bsdar_version(void)
406 {
407 	(void)printf("BSD ar %s - %s\n", BSDAR_VERSION, archive_version_string());
408 	exit(EX_OK);
409 }
410 
411 static void
412 ranlib_version(void)
413 {
414 	(void)printf("ranlib %s - %s\n", BSDAR_VERSION, archive_version_string());
415 	exit(EX_OK);
416 }
417