ar.c revision 176527 
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: head/usr.bin/ar/ar.c 176527 2008-02-24 18:07:46Z kaiw $");
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
77enum options
78{
79	OPTION_HELP
80};
81
82static struct option longopts[] =
83{
84	{"help", no_argument, NULL, OPTION_HELP},
85	{"version", no_argument, NULL, 'V'},
86	{NULL, 0, NULL, 0}
87};
88
89static void	bsdar_usage(void);
90static void	ranlib_usage(void);
91static void	set_mode(struct bsdar *bsdar, char opt);
92static void	only_mode(struct bsdar *bsdar, const char *opt,
93		    const char *valid_modes);
94static void	bsdar_version(void);
95static void	ranlib_version(void);
96
97int
98main(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	if (strcmp(bsdar->progname, "ranlib") == 0 ||
112	    strcmp(bsdar->progname, "bsdranlib") == 0) {
113		while ((opt = getopt_long(argc, argv, "tV", longopts,
114		    NULL)) != -1) {
115			switch(opt) {
116			case 't':
117				/* Ignored. */
118				break;
119			case 'V':
120				ranlib_version();
121				break;
122			case OPTION_HELP:
123				ranlib_usage();
124			default:
125				ranlib_usage();
126			}
127		}
128		argv += optind;
129		argc -= optind;
130
131		if (*argv == NULL)
132			ranlib_usage();
133
134		bsdar->options |= AR_S;
135		for (;(bsdar->filename = *argv++) != NULL;)
136			ar_mode_s(bsdar);
137
138		exit(EX_OK);
139	} else {
140		if (argc < 2)
141			bsdar_usage();
142
143		if (*argv[1] != '-') {
144			len = strlen(argv[1]) + 2;
145			if ((p = malloc(len)) == NULL)
146				bsdar_errc(bsdar, EX_SOFTWARE, errno,
147				    "malloc failed");
148			*p = '-';
149			(void)strlcpy(p + 1, argv[1], len - 1);
150			argv[1] = p;
151		}
152	}
153
154	while ((opt = getopt_long(argc, argv, "abCcdfijlmopqrSsTtuVvxz",
155	    longopts, NULL)) != -1) {
156		switch(opt) {
157		case 'a':
158			bsdar->options |= AR_A;
159			break;
160		case 'b':
161		case 'i':
162			bsdar->options |= AR_B;
163			break;
164		case 'C':
165			bsdar->options |= AR_CC;
166			break;
167		case 'c':
168			bsdar->options |= AR_C;
169			break;
170		case 'd':
171			set_mode(bsdar, opt);
172			break;
173		case 'f':
174		case 'T':
175			bsdar->options |= AR_TR;
176			break;
177		case 'j':
178			bsdar->options |= AR_J;
179			break;
180		case 'l':
181			/* ignored, for GNU ar comptibility */
182			break;
183		case 'm':
184			set_mode(bsdar, opt);
185			break;
186		case 'o':
187			bsdar->options |= AR_O;
188			break;
189		case 'p':
190			set_mode(bsdar, opt);
191			break;
192		case 'q':
193			set_mode(bsdar, opt);
194			break;
195		case 'r':
196			set_mode(bsdar, opt);
197			break;
198		case 'S':
199			bsdar->options |= AR_SS;
200			break;
201		case 's':
202			bsdar->options |= AR_S;
203			break;
204		case 't':
205			set_mode(bsdar, opt);
206			break;
207		case 'u':
208			bsdar->options |= AR_U;
209			break;
210		case 'V':
211			bsdar_version();
212			break;
213		case 'v':
214			bsdar->options |= AR_V;
215			break;
216		case 'x':
217			set_mode(bsdar, opt);
218			break;
219		case 'z':
220			bsdar->options |= AR_Z;
221			break;
222		case OPTION_HELP:
223			bsdar_usage();
224		default:
225			bsdar_usage();
226		}
227	}
228
229	argv += optind;
230	argc -= optind;
231
232	if (*argv == NULL)
233		bsdar_usage();
234
235	if (bsdar->options & AR_A && bsdar->options & AR_B)
236		bsdar_errc(bsdar, EX_USAGE, 0,
237		    "only one of -a and -[bi] options allowed");
238
239	if (bsdar->options & AR_J && bsdar->options & AR_Z)
240		bsdar_errc(bsdar, EX_USAGE, 0,
241		    "only one of -j and -z options allowed");
242
243	if (bsdar->options & AR_S && bsdar->options & AR_SS)
244		bsdar_errc(bsdar, EX_USAGE, 0,
245		    "only one of -s and -S options allowed");
246
247	if (bsdar->options & (AR_A | AR_B)) {
248		if ((bsdar->posarg = *argv) == NULL)
249			bsdar_errc(bsdar, EX_USAGE, 0,
250			    "no position operand specified");
251		if ((bsdar->posarg = basename(bsdar->posarg)) == NULL)
252			bsdar_errc(bsdar, EX_SOFTWARE, errno,
253			    "basename failed");
254		argc--;
255		argv++;
256	}
257
258	if (bsdar->options & AR_A)
259		only_mode(bsdar, "-a", "mqr");
260	if (bsdar->options & AR_B)
261		only_mode(bsdar, "-b", "mqr");
262	if (bsdar->options & AR_C)
263		only_mode(bsdar, "-c", "qr");
264	if (bsdar->options & AR_CC)
265		only_mode(bsdar, "-C", "x");
266	if (bsdar->options & AR_O)
267		only_mode(bsdar, "-o", "x");
268	if (bsdar->options & AR_SS)
269		only_mode(bsdar, "-S", "mqr");
270	if (bsdar->options & AR_U)
271		only_mode(bsdar, "-u", "qrx");
272
273	if ((bsdar->filename = *argv) == NULL)
274		bsdar_usage();
275
276	bsdar->argc = --argc;
277	bsdar->argv = ++argv;
278
279	if ((!bsdar->mode || strchr("ptx", bsdar->mode)) &&
280	    bsdar->options & AR_S) {
281		ar_mode_s(bsdar);
282		if (!bsdar->mode)
283			exit(EX_OK);
284	}
285
286	switch(bsdar->mode) {
287	case 'd':
288		ar_mode_d(bsdar);
289		break;
290	case 'm':
291		ar_mode_m(bsdar);
292		break;
293	case 'p':
294		ar_mode_p(bsdar);
295		break;
296	case 'q':
297		ar_mode_r(bsdar);
298		break;
299	case 'r':
300		ar_mode_r(bsdar);
301		break;
302	case 't':
303		ar_mode_t(bsdar);
304		break;
305	case 'x':
306		ar_mode_x(bsdar);
307		break;
308	default:
309		bsdar_usage();
310		/* NOTREACHED */
311	}
312
313	for (i = 0; i < bsdar->argc; i++)
314		if (bsdar->argv[i] != NULL)
315			bsdar_warnc(bsdar, 0, "%s: not found in archive",
316			    bsdar->argv[i]);
317
318	exit(EX_OK);
319}
320
321static void
322set_mode(struct bsdar *bsdar, char opt)
323{
324
325	if (bsdar->mode != '\0' && bsdar->mode != opt)
326		bsdar_errc(bsdar, EX_USAGE, 0,
327		    "Can't specify both -%c and -%c", opt, bsdar->mode);
328	bsdar->mode = opt;
329}
330
331static void
332only_mode(struct bsdar *bsdar, const char *opt, const char *valid_modes)
333{
334
335	if (strchr(valid_modes, bsdar->mode) == NULL)
336		bsdar_errc(bsdar, EX_USAGE, 0,
337		    "Option %s is not permitted in mode -%c", opt, bsdar->mode);
338}
339
340static void
341bsdar_usage()
342{
343
344	(void)fprintf(stderr, "usage:  ar -d [-Tjsvz] archive file ...\n");
345	(void)fprintf(stderr, "\tar -m [-Tjsvz] archive file ...\n");
346	(void)fprintf(stderr, "\tar -m [-Tabijsvz] position archive file ...\n");
347	(void)fprintf(stderr, "\tar -p [-Tv] archive [file ...]\n");
348	(void)fprintf(stderr, "\tar -r [-Tcjsuvz] archive file ...\n");
349	(void)fprintf(stderr, "\tar -r [-Tabcijsuvz] position archive file ...\n");
350	(void)fprintf(stderr, "\tar -s [-jz] archive\n");
351	(void)fprintf(stderr, "\tar -t [-Tv] archive [file ...]\n");
352	(void)fprintf(stderr, "\tar -x [-CTouv] archive [file ...]\n");
353	(void)fprintf(stderr, "\tar -V\n");
354	exit(EX_USAGE);
355}
356
357static void
358ranlib_usage()
359{
360
361	(void)fprintf(stderr, "usage:	ranlib [-t] archive ...\n");
362	(void)fprintf(stderr, "\tranlib -V\n");
363	exit(EX_USAGE);
364}
365
366static void
367bsdar_version()
368{
369	(void)printf("BSD ar %s - %s\n", BSDAR_VERSION, archive_version());
370	exit(EX_OK);
371}
372
373static void
374ranlib_version()
375{
376	(void)printf("ranlib %s - %s\n", BSDAR_VERSION, archive_version());
377	exit(EX_OK);
378}
379