ar.c revision 331722 
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: stable/11/usr.bin/ar/ar.c 331722 2018-03-29 02:50:57Z eadler $");
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, 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
362static void
363set_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
372static void
373only_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
381static void
382bsdar_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
399static void
400ranlib_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
408static void
409bsdar_version(void)
410{
411	(void)printf("BSD ar %s - %s\n", BSDAR_VERSION, archive_version_string());
412	exit(EX_OK);
413}
414
415static void
416ranlib_version(void)
417{
418	(void)printf("ranlib %s - %s\n", BSDAR_VERSION, archive_version_string());
419	exit(EX_OK);
420}
421