xref: /freebsd/usr.bin/ar/ar.c (revision 941e286383714ef25f1ffe9ba6ae5040afdd7060)
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;
104 
105 	bsdar = &bsdar_storage;
106 	memset(bsdar, 0, sizeof(*bsdar));
107 
108 	if ((bsdar->progname = getprogname()) == NULL)
109 		bsdar->progname = "ar";
110 
111 	/* Act like ranlib if our name ends in "ranlib"; this
112 	 * accomodates arm-freebsd7.1-ranlib, bsdranlib, etc. */
113 	len = strlen(bsdar->progname);
114 	if (len >= strlen("ranlib") &&
115 	    strcmp(bsdar->progname + len - strlen("ranlib"), "ranlib") == 0) {
116 		while ((opt = getopt_long(argc, argv, "tV", longopts,
117 		    NULL)) != -1) {
118 			switch(opt) {
119 			case 't':
120 				/* Ignored. */
121 				break;
122 			case 'V':
123 				ranlib_version();
124 				break;
125 			case OPTION_HELP:
126 				ranlib_usage();
127 			default:
128 				ranlib_usage();
129 			}
130 		}
131 		argv += optind;
132 		argc -= optind;
133 
134 		if (*argv == NULL)
135 			ranlib_usage();
136 
137 		bsdar->options |= AR_S;
138 		for (;(bsdar->filename = *argv++) != NULL;)
139 			ar_mode_s(bsdar);
140 
141 		exit(EX_OK);
142 	} else {
143 		if (argc < 2)
144 			bsdar_usage();
145 
146 		if (*argv[1] != '-') {
147 			len = strlen(argv[1]) + 2;
148 			if ((p = malloc(len)) == NULL)
149 				bsdar_errc(bsdar, EX_SOFTWARE, errno,
150 				    "malloc failed");
151 			*p = '-';
152 			(void)strlcpy(p + 1, argv[1], len - 1);
153 			argv[1] = p;
154 		}
155 	}
156 
157 	while ((opt = getopt_long(argc, argv, "abCcdfijlMmopqrSsTtuVvxz",
158 	    longopts, NULL)) != -1) {
159 		switch(opt) {
160 		case 'a':
161 			bsdar->options |= AR_A;
162 			break;
163 		case 'b':
164 		case 'i':
165 			bsdar->options |= AR_B;
166 			break;
167 		case 'C':
168 			bsdar->options |= AR_CC;
169 			break;
170 		case 'c':
171 			bsdar->options |= AR_C;
172 			break;
173 		case 'd':
174 			set_mode(bsdar, opt);
175 			break;
176 		case 'f':
177 		case 'T':
178 			bsdar->options |= AR_TR;
179 			break;
180 		case 'j':
181 			bsdar->options |= AR_J;
182 			break;
183 		case 'l':
184 			/* ignored, for GNU ar comptibility */
185 			break;
186 		case 'M':
187 			set_mode(bsdar, opt);
188 			break;
189 		case 'm':
190 			set_mode(bsdar, opt);
191 			break;
192 		case 'o':
193 			bsdar->options |= AR_O;
194 			break;
195 		case 'p':
196 			set_mode(bsdar, opt);
197 			break;
198 		case 'q':
199 			set_mode(bsdar, opt);
200 			break;
201 		case 'r':
202 			set_mode(bsdar, opt);
203 			break;
204 		case 'S':
205 			bsdar->options |= AR_SS;
206 			break;
207 		case 's':
208 			bsdar->options |= AR_S;
209 			break;
210 		case 't':
211 			set_mode(bsdar, opt);
212 			break;
213 		case 'u':
214 			bsdar->options |= AR_U;
215 			break;
216 		case 'V':
217 			bsdar_version();
218 			break;
219 		case 'v':
220 			bsdar->options |= AR_V;
221 			break;
222 		case 'x':
223 			set_mode(bsdar, opt);
224 			break;
225 		case 'z':
226 			bsdar->options |= AR_Z;
227 			break;
228 		case OPTION_HELP:
229 			bsdar_usage();
230 		default:
231 			bsdar_usage();
232 		}
233 	}
234 
235 	argv += optind;
236 	argc -= optind;
237 
238 	if (*argv == NULL && bsdar->mode != 'M')
239 		bsdar_usage();
240 
241 	if (bsdar->options & AR_A && bsdar->options & AR_B)
242 		bsdar_errc(bsdar, EX_USAGE, 0,
243 		    "only one of -a and -[bi] options allowed");
244 
245 	if (bsdar->options & AR_J && bsdar->options & AR_Z)
246 		bsdar_errc(bsdar, EX_USAGE, 0,
247 		    "only one of -j and -z options allowed");
248 
249 	if (bsdar->options & AR_S && bsdar->options & AR_SS)
250 		bsdar_errc(bsdar, EX_USAGE, 0,
251 		    "only one of -s and -S options allowed");
252 
253 	if (bsdar->options & (AR_A | AR_B)) {
254 		if ((bsdar->posarg = *argv) == NULL)
255 			bsdar_errc(bsdar, EX_USAGE, 0,
256 			    "no position operand specified");
257 		if ((bsdar->posarg = basename(bsdar->posarg)) == NULL)
258 			bsdar_errc(bsdar, EX_SOFTWARE, errno,
259 			    "basename failed");
260 		argc--;
261 		argv++;
262 	}
263 
264 	if (bsdar->options & AR_A)
265 		only_mode(bsdar, "-a", "mqr");
266 	if (bsdar->options & AR_B)
267 		only_mode(bsdar, "-b", "mqr");
268 	if (bsdar->options & AR_C)
269 		only_mode(bsdar, "-c", "qr");
270 	if (bsdar->options & AR_CC)
271 		only_mode(bsdar, "-C", "x");
272 	if (bsdar->options & AR_O)
273 		only_mode(bsdar, "-o", "x");
274 	if (bsdar->options & AR_SS)
275 		only_mode(bsdar, "-S", "mqr");
276 	if (bsdar->options & AR_U)
277 		only_mode(bsdar, "-u", "qrx");
278 
279 	if (bsdar->mode == 'M') {
280 		ar_mode_script(bsdar);
281 		exit(EX_OK);
282 	}
283 
284 	if ((bsdar->filename = *argv) == NULL)
285 		bsdar_usage();
286 
287 	bsdar->argc = --argc;
288 	bsdar->argv = ++argv;
289 
290 	if ((!bsdar->mode || strchr("ptx", bsdar->mode)) &&
291 	    bsdar->options & AR_S) {
292 		ar_mode_s(bsdar);
293 		if (!bsdar->mode)
294 			exit(EX_OK);
295 	}
296 
297 	switch(bsdar->mode) {
298 	case 'd':
299 		ar_mode_d(bsdar);
300 		break;
301 	case 'm':
302 		ar_mode_m(bsdar);
303 		break;
304 	case 'p':
305 		ar_mode_p(bsdar);
306 		break;
307 	case 'q':
308 		ar_mode_q(bsdar);
309 		break;
310 	case 'r':
311 		ar_mode_r(bsdar);
312 		break;
313 	case 't':
314 		ar_mode_t(bsdar);
315 		break;
316 	case 'x':
317 		ar_mode_x(bsdar);
318 		break;
319 	default:
320 		bsdar_usage();
321 		/* NOTREACHED */
322 	}
323 
324 	for (i = 0; i < bsdar->argc; i++)
325 		if (bsdar->argv[i] != NULL)
326 			bsdar_warnc(bsdar, 0, "%s: not found in archive",
327 			    bsdar->argv[i]);
328 
329 	exit(EX_OK);
330 }
331 
332 static void
333 set_mode(struct bsdar *bsdar, char opt)
334 {
335 
336 	if (bsdar->mode != '\0' && bsdar->mode != opt)
337 		bsdar_errc(bsdar, EX_USAGE, 0,
338 		    "Can't specify both -%c and -%c", opt, bsdar->mode);
339 	bsdar->mode = opt;
340 }
341 
342 static void
343 only_mode(struct bsdar *bsdar, const char *opt, const char *valid_modes)
344 {
345 
346 	if (strchr(valid_modes, bsdar->mode) == NULL)
347 		bsdar_errc(bsdar, EX_USAGE, 0,
348 		    "Option %s is not permitted in mode -%c", opt, bsdar->mode);
349 }
350 
351 static void
352 bsdar_usage(void)
353 {
354 
355 	(void)fprintf(stderr, "usage:  ar -d [-Tjsvz] archive file ...\n");
356 	(void)fprintf(stderr, "\tar -m [-Tjsvz] archive file ...\n");
357 	(void)fprintf(stderr, "\tar -m [-Tabijsvz] position archive file ...\n");
358 	(void)fprintf(stderr, "\tar -p [-Tv] archive [file ...]\n");
359 	(void)fprintf(stderr, "\tar -q [-Tcjsvz] archive file ...\n");
360 	(void)fprintf(stderr, "\tar -r [-Tcjsuvz] archive file ...\n");
361 	(void)fprintf(stderr, "\tar -r [-Tabcijsuvz] position archive file ...\n");
362 	(void)fprintf(stderr, "\tar -s [-jz] archive\n");
363 	(void)fprintf(stderr, "\tar -t [-Tv] archive [file ...]\n");
364 	(void)fprintf(stderr, "\tar -x [-CTouv] archive [file ...]\n");
365 	(void)fprintf(stderr, "\tar -V\n");
366 	exit(EX_USAGE);
367 }
368 
369 static void
370 ranlib_usage(void)
371 {
372 
373 	(void)fprintf(stderr, "usage:	ranlib [-t] archive ...\n");
374 	(void)fprintf(stderr, "\tranlib -V\n");
375 	exit(EX_USAGE);
376 }
377 
378 static void
379 bsdar_version(void)
380 {
381 	(void)printf("BSD ar %s - %s\n", BSDAR_VERSION, archive_version());
382 	exit(EX_OK);
383 }
384 
385 static void
386 ranlib_version(void)
387 {
388 	(void)printf("ranlib %s - %s\n", BSDAR_VERSION, archive_version());
389 	exit(EX_OK);
390 }
391