xref: /freebsd/usr.bin/ar/ar.c (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
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 	 * accommodates 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, "tDUV", longopts,
117 		    NULL)) != -1) {
118 			switch(opt) {
119 			case 't':
120 				/* Ignored. */
121 				break;
122 			case 'D':
123 				bsdar->options |= AR_D;
124 				break;
125 			case 'U':
126 				bsdar->options &= ~AR_D;
127 				break;
128 			case 'V':
129 				ranlib_version();
130 				break;
131 			case OPTION_HELP:
132 				ranlib_usage();
133 			default:
134 				ranlib_usage();
135 			}
136 		}
137 		argv += optind;
138 		argc -= optind;
139 
140 		if (*argv == NULL)
141 			ranlib_usage();
142 
143 		bsdar->options |= AR_S;
144 		for (;(bsdar->filename = *argv++) != NULL;)
145 			ar_mode_s(bsdar);
146 
147 		exit(EX_OK);
148 	} else {
149 		if (argc < 2)
150 			bsdar_usage();
151 
152 		if (*argv[1] != '-') {
153 			len = strlen(argv[1]) + 2;
154 			if ((p = malloc(len)) == NULL)
155 				bsdar_errc(bsdar, EX_SOFTWARE, errno,
156 				    "malloc failed");
157 			*p = '-';
158 			(void)strlcpy(p + 1, argv[1], len - 1);
159 			argv[1] = p;
160 		}
161 	}
162 
163 	while ((opt = getopt_long(argc, argv, "abCcdDfijlMmopqrSsTtUuVvxz",
164 	    longopts, NULL)) != -1) {
165 		switch(opt) {
166 		case 'a':
167 			bsdar->options |= AR_A;
168 			break;
169 		case 'b':
170 		case 'i':
171 			bsdar->options |= AR_B;
172 			break;
173 		case 'C':
174 			bsdar->options |= AR_CC;
175 			break;
176 		case 'c':
177 			bsdar->options |= AR_C;
178 			break;
179 		case 'd':
180 			set_mode(bsdar, opt);
181 			break;
182 		case 'D':
183 			bsdar->options |= AR_D;
184 			break;
185 		case 'f':
186 		case 'T':
187 			bsdar->options |= AR_TR;
188 			break;
189 		case 'j':
190 			/* ignored */
191 			break;
192 		case 'l':
193 			/* ignored, for GNU ar comptibility */
194 			break;
195 		case 'M':
196 			set_mode(bsdar, opt);
197 			break;
198 		case 'm':
199 			set_mode(bsdar, opt);
200 			break;
201 		case 'o':
202 			bsdar->options |= AR_O;
203 			break;
204 		case 'p':
205 			set_mode(bsdar, opt);
206 			break;
207 		case 'q':
208 			set_mode(bsdar, opt);
209 			break;
210 		case 'r':
211 			set_mode(bsdar, opt);
212 			break;
213 		case 'S':
214 			bsdar->options |= AR_SS;
215 			break;
216 		case 's':
217 			bsdar->options |= AR_S;
218 			break;
219 		case 't':
220 			set_mode(bsdar, opt);
221 			break;
222 		case 'U':
223 			bsdar->options &= ~AR_D;
224 			break;
225 		case 'u':
226 			bsdar->options |= AR_U;
227 			break;
228 		case 'V':
229 			bsdar_version();
230 			break;
231 		case 'v':
232 			bsdar->options |= AR_V;
233 			break;
234 		case 'x':
235 			set_mode(bsdar, opt);
236 			break;
237 		case 'z':
238 			/* ignored */
239 			break;
240 		case OPTION_HELP:
241 			bsdar_usage();
242 		default:
243 			bsdar_usage();
244 		}
245 	}
246 
247 	argv += optind;
248 	argc -= optind;
249 
250 	if (*argv == NULL && bsdar->mode != 'M')
251 		bsdar_usage();
252 
253 	if (bsdar->options & AR_A && bsdar->options & AR_B)
254 		bsdar_errc(bsdar, EX_USAGE, 0,
255 		    "only one of -a and -[bi] options allowed");
256 
257 	if (bsdar->options & AR_J && bsdar->options & AR_Z)
258 		bsdar_errc(bsdar, EX_USAGE, 0,
259 		    "only one of -j and -z options allowed");
260 
261 	if (bsdar->options & AR_S && bsdar->options & AR_SS)
262 		bsdar_errc(bsdar, EX_USAGE, 0,
263 		    "only one of -s and -S options allowed");
264 
265 	if (bsdar->options & (AR_A | AR_B)) {
266 		if ((bsdar->posarg = *argv) == NULL)
267 			bsdar_errc(bsdar, EX_USAGE, 0,
268 			    "no position operand specified");
269 		if ((bsdar->posarg = basename(bsdar->posarg)) == NULL)
270 			bsdar_errc(bsdar, EX_SOFTWARE, errno,
271 			    "basename failed");
272 		argc--;
273 		argv++;
274 	}
275 
276 	if (bsdar->options & AR_A)
277 		only_mode(bsdar, "-a", "mqr");
278 	if (bsdar->options & AR_B)
279 		only_mode(bsdar, "-b", "mqr");
280 	if (bsdar->options & AR_C)
281 		only_mode(bsdar, "-c", "qr");
282 	if (bsdar->options & AR_CC)
283 		only_mode(bsdar, "-C", "x");
284 	if (bsdar->options & AR_D)
285 		only_mode(bsdar, "-D", "qr");
286 	if (bsdar->options & AR_O)
287 		only_mode(bsdar, "-o", "x");
288 	if (bsdar->options & AR_SS)
289 		only_mode(bsdar, "-S", "mqr");
290 	if (bsdar->options & AR_U)
291 		only_mode(bsdar, "-u", "qrx");
292 
293 	if (bsdar->mode == 'M') {
294 		ar_mode_script(bsdar);
295 		exit(EX_OK);
296 	}
297 
298 	if ((bsdar->filename = *argv) == NULL)
299 		bsdar_usage();
300 
301 	bsdar->argc = --argc;
302 	bsdar->argv = ++argv;
303 
304 	if ((!bsdar->mode || strchr("ptx", bsdar->mode)) &&
305 	    bsdar->options & AR_S) {
306 		ar_mode_s(bsdar);
307 		if (!bsdar->mode)
308 			exit(EX_OK);
309 	}
310 
311 	switch(bsdar->mode) {
312 	case 'd':
313 		ar_mode_d(bsdar);
314 		break;
315 	case 'm':
316 		ar_mode_m(bsdar);
317 		break;
318 	case 'p':
319 		ar_mode_p(bsdar);
320 		break;
321 	case 'q':
322 		ar_mode_q(bsdar);
323 		break;
324 	case 'r':
325 		ar_mode_r(bsdar);
326 		break;
327 	case 't':
328 		ar_mode_t(bsdar);
329 		break;
330 	case 'x':
331 		ar_mode_x(bsdar);
332 		break;
333 	default:
334 		bsdar_usage();
335 		/* NOTREACHED */
336 	}
337 
338 	for (i = 0; i < bsdar->argc; i++)
339 		if (bsdar->argv[i] != NULL)
340 			bsdar_warnc(bsdar, 0, "%s: not found in archive",
341 			    bsdar->argv[i]);
342 
343 	exit(EX_OK);
344 }
345 
346 static void
347 set_mode(struct bsdar *bsdar, char opt)
348 {
349 
350 	if (bsdar->mode != '\0' && bsdar->mode != opt)
351 		bsdar_errc(bsdar, EX_USAGE, 0,
352 		    "Can't specify both -%c and -%c", opt, bsdar->mode);
353 	bsdar->mode = opt;
354 }
355 
356 static void
357 only_mode(struct bsdar *bsdar, const char *opt, const char *valid_modes)
358 {
359 
360 	if (strchr(valid_modes, bsdar->mode) == NULL)
361 		bsdar_errc(bsdar, EX_USAGE, 0,
362 		    "Option %s is not permitted in mode -%c", opt, bsdar->mode);
363 }
364 
365 static void
366 bsdar_usage(void)
367 {
368 
369 	(void)fprintf(stderr, "usage:  ar -d [-Tjsvz] archive file ...\n");
370 	(void)fprintf(stderr, "\tar -m [-Tjsvz] archive file ...\n");
371 	(void)fprintf(stderr, "\tar -m [-Tabijsvz] position archive file ...\n");
372 	(void)fprintf(stderr, "\tar -p [-Tv] archive [file ...]\n");
373 	(void)fprintf(stderr, "\tar -q [-TcDjsUvz] archive file ...\n");
374 	(void)fprintf(stderr, "\tar -r [-TcDjsUuvz] archive file ...\n");
375 	(void)fprintf(stderr, "\tar -r [-TabcDijsUuvz] position archive file ...\n");
376 	(void)fprintf(stderr, "\tar -s [-jz] archive\n");
377 	(void)fprintf(stderr, "\tar -t [-Tv] archive [file ...]\n");
378 	(void)fprintf(stderr, "\tar -x [-CTouv] archive [file ...]\n");
379 	(void)fprintf(stderr, "\tar -V\n");
380 	exit(EX_USAGE);
381 }
382 
383 static void
384 ranlib_usage(void)
385 {
386 
387 	(void)fprintf(stderr, "usage:	ranlib [-DtU] archive ...\n");
388 	(void)fprintf(stderr, "\tranlib -V\n");
389 	exit(EX_USAGE);
390 }
391 
392 static void
393 bsdar_version(void)
394 {
395 	(void)printf("BSD ar %s - %s\n", BSDAR_VERSION, archive_version_string());
396 	exit(EX_OK);
397 }
398 
399 static void
400 ranlib_version(void)
401 {
402 	(void)printf("ranlib %s - %s\n", BSDAR_VERSION, archive_version_string());
403 	exit(EX_OK);
404 }
405