2 * Copyright (c) 2007 Kai Wang
3 * Copyright (c) 2007 Tim Kientzle
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer
11 * in this position and unchanged.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/queue.h>
34 #include <archive_entry.h>
43 static void read_archive(struct bsdar *bsdar, char mode);
46 ar_mode_p(struct bsdar *bsdar)
49 read_archive(bsdar, 'p');
53 ar_mode_t(struct bsdar *bsdar)
56 read_archive(bsdar, 't');
60 ar_mode_x(struct bsdar *bsdar)
63 read_archive(bsdar, 'x');
67 * Handle read modes: 'x', 't' and 'p'.
70 read_archive(struct bsdar *bsdar, char mode)
73 struct archive_entry *entry;
88 if ((a = archive_read_new()) == NULL)
89 bsdar_errc(bsdar, EX_SOFTWARE, 0, "archive_read_new failed");
90 archive_read_support_format_ar(a);
91 AC(archive_read_open_filename(a, bsdar->filename, DEF_BLKSZ));
94 r = archive_read_next_header(a, &entry);
95 if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY ||
97 bsdar_warnc(bsdar, 0, "%s", archive_error_string(a));
98 if (r == ARCHIVE_EOF || r == ARCHIVE_FATAL)
100 if (r == ARCHIVE_RETRY) {
101 bsdar_warnc(bsdar, 0, "Retrying...");
105 if ((name = archive_entry_pathname(entry)) == NULL)
108 /* Skip pseudo members. */
109 if (strcmp(name, "/") == 0 || strcmp(name, "//") == 0)
112 if (bsdar->argc > 0) {
114 for(i = 0; i < bsdar->argc; i++) {
115 av = &bsdar->argv[i];
118 if ((bname = basename(*av)) == NULL)
119 bsdar_errc(bsdar, EX_SOFTWARE, errno,
121 if (strcmp(bname, name) != 0)
133 if (bsdar->options & AR_V) {
134 md = archive_entry_mode(entry);
135 uid = archive_entry_uid(entry);
136 gid = archive_entry_gid(entry);
137 size = archive_entry_size(entry);
138 mtime = archive_entry_mtime(entry);
139 (void)strmode(md, buf);
140 (void)fprintf(stdout, "%s %6d/%-6d %8ju ",
141 buf + 1, uid, gid, (uintmax_t)size);
142 tp = localtime(&mtime);
143 (void)strftime(buf, sizeof(buf),
144 "%b %e %H:%M %Y", tp);
145 (void)fprintf(stdout, "%s %s", buf, name);
147 (void)fprintf(stdout, "%s", name);
148 r = archive_read_data_skip(a);
149 if (r == ARCHIVE_WARN || r == ARCHIVE_RETRY ||
150 r == ARCHIVE_FATAL) {
151 (void)fprintf(stdout, "\n");
152 bsdar_warnc(bsdar, 0, "%s",
153 archive_error_string(a));
156 if (r == ARCHIVE_FATAL)
159 (void)fprintf(stdout, "\n");
161 /* mode == 'x' || mode = 'p' */
163 if (bsdar->options & AR_V) {
164 (void)fprintf(stdout, "\n<%s>\n\n",
168 r = archive_read_data_into_fd(a, 1);
171 if (stat(name, &sb) != 0) {
172 if (errno != ENOENT) {
173 bsdar_warnc(bsdar, 0,
179 /* stat success, file exist */
180 if (bsdar->options & AR_CC)
182 if (bsdar->options & AR_U &&
183 archive_entry_mtime(entry) <=
188 if (bsdar->options & AR_V)
189 (void)fprintf(stdout, "x - %s\n", name);
190 /* Disallow absolute paths. */
191 if (name[0] == '/') {
192 bsdar_warnc(bsdar, 0,
193 "Absolute path '%s'", name);
196 /* Basic path security flags. */
197 flags = ARCHIVE_EXTRACT_SECURE_SYMLINKS |
198 ARCHIVE_EXTRACT_SECURE_NODOTDOT;
199 if (bsdar->options & AR_O)
200 flags |= ARCHIVE_EXTRACT_TIME;
202 r = archive_read_extract(a, entry, flags);
206 bsdar_warnc(bsdar, 0, "%s",
207 archive_error_string(a));
210 AC(archive_read_close(a));
211 AC(archive_read_free(a));