1/*
2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Ken Smith of The State University of New York at Buffalo.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
| 1/*
2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Ken Smith of The State University of New York at Buffalo.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
|
36 * $Id: mv.c,v 1.5 1996/02/19 00:44:19 wosch Exp $
| 36 * $Id: mv.c,v 1.6 1996/02/19 05:51:13 pst Exp $
|
37 */
38
39#ifndef lint
40static char copyright[] =
41"@(#) Copyright (c) 1989, 1993, 1994\n\
42 The Regents of the University of California. All rights reserved.\n";
43#endif /* not lint */
44
45#ifndef lint
46static char sccsid[] = "@(#)mv.c 8.2 (Berkeley) 4/2/94";
47#endif /* not lint */
48
49#include <sys/param.h>
50#include <sys/time.h>
51#include <sys/wait.h>
52#include <sys/stat.h>
53
54#include <err.h>
55#include <errno.h>
56#include <fcntl.h>
57#include <stdio.h>
58#include <stdlib.h>
59#include <string.h>
60#include <unistd.h>
61
62#include "pathnames.h"
63
64int fflg, iflg;
65
66int copy __P((char *, char *));
67int do_move __P((char *, char *));
68int fastcopy __P((char *, char *, struct stat *));
69void usage __P((void));
70
71int
72main(argc, argv)
73 int argc;
74 char *argv[];
75{
76 register int baselen, len, rval;
77 register char *p, *endp;
78 struct stat sb;
79 int ch;
80 char path[MAXPATHLEN + 1];
81
82 while ((ch = getopt(argc, argv, "if")) != EOF)
83 switch (ch) {
84 case 'i':
85 iflg = 1;
| 37 */
38
39#ifndef lint
40static char copyright[] =
41"@(#) Copyright (c) 1989, 1993, 1994\n\
42 The Regents of the University of California. All rights reserved.\n";
43#endif /* not lint */
44
45#ifndef lint
46static char sccsid[] = "@(#)mv.c 8.2 (Berkeley) 4/2/94";
47#endif /* not lint */
48
49#include <sys/param.h>
50#include <sys/time.h>
51#include <sys/wait.h>
52#include <sys/stat.h>
53
54#include <err.h>
55#include <errno.h>
56#include <fcntl.h>
57#include <stdio.h>
58#include <stdlib.h>
59#include <string.h>
60#include <unistd.h>
61
62#include "pathnames.h"
63
64int fflg, iflg;
65
66int copy __P((char *, char *));
67int do_move __P((char *, char *));
68int fastcopy __P((char *, char *, struct stat *));
69void usage __P((void));
70
71int
72main(argc, argv)
73 int argc;
74 char *argv[];
75{
76 register int baselen, len, rval;
77 register char *p, *endp;
78 struct stat sb;
79 int ch;
80 char path[MAXPATHLEN + 1];
81
82 while ((ch = getopt(argc, argv, "if")) != EOF)
83 switch (ch) {
84 case 'i':
85 iflg = 1;
|
| 86 fflg = 0;
|
86 break;
87 case 'f':
88 fflg = 1;
| 87 break;
88 case 'f':
89 fflg = 1;
|
| 90 iflg = 0;
|
89 break;
90 default:
91 usage();
92 }
93endarg: argc -= optind;
94 argv += optind;
95
96 if (argc < 2)
97 usage();
98
99 /*
100 * If the stat on the target fails or the target isn't a directory,
101 * try the move. More than 2 arguments is an error in this case.
102 */
103 if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) {
104 if (argc > 2)
105 usage();
106 exit(do_move(argv[0], argv[1]));
107 }
108
109 /* It's a directory, move each file into it. */
110 (void)strcpy(path, argv[argc - 1]);
111 baselen = strlen(path);
112 endp = &path[baselen];
113 *endp++ = '/';
114 ++baselen;
115 for (rval = 0; --argc; ++argv) {
116 /*
117 * Find the last component of the source pathname. It
118 * may have trailing slashes.
119 */
120 p = *argv + strlen(*argv);
121 while (p != *argv && p[-1] == '/')
122 --p;
123 while (p != *argv && p[-1] != '/')
124 --p;
125
126 if ((baselen + (len = strlen(p))) >= MAXPATHLEN) {
127 warnx("%s: destination pathname too long", *argv);
128 rval = 1;
129 } else {
130 memmove(endp, p, len + 1);
131 if (do_move(*argv, path))
132 rval = 1;
133 }
134 }
135 exit(rval);
136}
137
138int
139do_move(from, to)
140 char *from, *to;
141{
142 struct stat sb;
143 int ask, ch;
144 char modep[15];
145
146 /*
147 * Check access. If interactive and file exists, ask user if it
148 * should be replaced. Otherwise if file exists but isn't writable
149 * make sure the user wants to clobber it.
150 */
151 if (!fflg && !access(to, F_OK)) {
| 91 break;
92 default:
93 usage();
94 }
95endarg: argc -= optind;
96 argv += optind;
97
98 if (argc < 2)
99 usage();
100
101 /*
102 * If the stat on the target fails or the target isn't a directory,
103 * try the move. More than 2 arguments is an error in this case.
104 */
105 if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) {
106 if (argc > 2)
107 usage();
108 exit(do_move(argv[0], argv[1]));
109 }
110
111 /* It's a directory, move each file into it. */
112 (void)strcpy(path, argv[argc - 1]);
113 baselen = strlen(path);
114 endp = &path[baselen];
115 *endp++ = '/';
116 ++baselen;
117 for (rval = 0; --argc; ++argv) {
118 /*
119 * Find the last component of the source pathname. It
120 * may have trailing slashes.
121 */
122 p = *argv + strlen(*argv);
123 while (p != *argv && p[-1] == '/')
124 --p;
125 while (p != *argv && p[-1] != '/')
126 --p;
127
128 if ((baselen + (len = strlen(p))) >= MAXPATHLEN) {
129 warnx("%s: destination pathname too long", *argv);
130 rval = 1;
131 } else {
132 memmove(endp, p, len + 1);
133 if (do_move(*argv, path))
134 rval = 1;
135 }
136 }
137 exit(rval);
138}
139
140int
141do_move(from, to)
142 char *from, *to;
143{
144 struct stat sb;
145 int ask, ch;
146 char modep[15];
147
148 /*
149 * Check access. If interactive and file exists, ask user if it
150 * should be replaced. Otherwise if file exists but isn't writable
151 * make sure the user wants to clobber it.
152 */
153 if (!fflg && !access(to, F_OK)) {
|
| 154
155 /* prompt only if source exist */
156 if (lstat(from, &sb) == -1) {
157 warn("%s", from);
158 return (1);
159 }
160
|
152 ask = 0;
153 if (iflg) {
154 (void)fprintf(stderr, "overwrite %s? ", to);
155 ask = 1;
156 } else if (access(to, W_OK) && !stat(to, &sb)) {
157 strmode(sb.st_mode, modep);
158 (void)fprintf(stderr, "override %s%s%s/%s for %s? ",
159 modep + 1, modep[9] == ' ' ? "" : " ",
160 user_from_uid(sb.st_uid, 0),
161 group_from_gid(sb.st_gid, 0), to);
162 ask = 1;
163 }
164 if (ask) {
165 if ((ch = getchar()) != EOF && ch != '\n')
166 while (getchar() != '\n');
| 161 ask = 0;
162 if (iflg) {
163 (void)fprintf(stderr, "overwrite %s? ", to);
164 ask = 1;
165 } else if (access(to, W_OK) && !stat(to, &sb)) {
166 strmode(sb.st_mode, modep);
167 (void)fprintf(stderr, "override %s%s%s/%s for %s? ",
168 modep + 1, modep[9] == ' ' ? "" : " ",
169 user_from_uid(sb.st_uid, 0),
170 group_from_gid(sb.st_gid, 0), to);
171 ask = 1;
172 }
173 if (ask) {
174 if ((ch = getchar()) != EOF && ch != '\n')
175 while (getchar() != '\n');
|
167 if (ch != 'y')
| 176 if (ch != 'y' && ch != 'Y')
|
168 return (0);
169 }
170 }
171 if (!rename(from, to))
172 return (0);
173
174 if (errno != EXDEV) {
175 warn("rename %s to %s", from, to);
176 return (1);
177 }
178
179 /*
180 * If rename fails because we're trying to cross devices, and
181 * it's a regular file, do the copy internally; otherwise, use
182 * cp and rm.
183 */
184 if (stat(from, &sb)) {
185 warn("%s", from);
186 return (1);
187 }
188 return (S_ISREG(sb.st_mode) ?
189 fastcopy(from, to, &sb) : copy(from, to));
190}
191
192int
193fastcopy(from, to, sbp)
194 char *from, *to;
195 struct stat *sbp;
196{
197 struct timeval tval[2];
198 static u_int blen;
199 static char *bp;
200 register int nread, from_fd, to_fd;
201
202 if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
203 warn("%s", from);
204 return (1);
205 }
206 if ((to_fd =
207 open(to, O_CREAT | O_TRUNC | O_WRONLY, sbp->st_mode)) < 0) {
208 warn("%s", to);
209 (void)close(from_fd);
210 return (1);
211 }
212 if (!blen && !(bp = malloc(blen = sbp->st_blksize))) {
213 warn(NULL);
214 return (1);
215 }
216 while ((nread = read(from_fd, bp, blen)) > 0)
217 if (write(to_fd, bp, nread) != nread) {
218 warn("%s", to);
219 goto err;
220 }
221 if (nread < 0) {
222 warn("%s", from);
223err: if (unlink(to))
224 warn("%s: remove", to);
225 (void)close(from_fd);
226 (void)close(to_fd);
227 return (1);
228 }
229 (void)close(from_fd);
230
231 if (fchown(to_fd, sbp->st_uid, sbp->st_gid))
232 warn("%s: set owner/group", to);
233 if (fchmod(to_fd, sbp->st_mode))
234 warn("%s: set mode", to);
235
236 tval[0].tv_sec = sbp->st_atime;
237 tval[1].tv_sec = sbp->st_mtime;
238 tval[0].tv_usec = tval[1].tv_usec = 0;
239 if (utimes(to, tval))
240 warn("%s: set times", to);
241
242 if (close(to_fd)) {
243 warn("%s", to);
244 return (1);
245 }
246
247 if (unlink(from)) {
248 warn("%s: remove", from);
249 return (1);
250 }
251 return (0);
252}
253
254int
255copy(from, to)
256 char *from, *to;
257{
258 int pid, status;
259
260 if ((pid = vfork()) == 0) {
261 execl(_PATH_CP, "mv", "-PRp", from, to, NULL);
262 warn("%s", _PATH_CP);
263 _exit(1);
264 }
265 if (waitpid(pid, &status, 0) == -1) {
266 warn("%s: waitpid", _PATH_CP);
267 return (1);
268 }
269 if (!WIFEXITED(status)) {
270 warn("%s: did not terminate normally", _PATH_CP);
271 return (1);
272 }
273 if (WEXITSTATUS(status)) {
274 warn("%s: terminated with %d (non-zero) status",
275 _PATH_CP, WEXITSTATUS(status));
276 return (1);
277 }
278 if (!(pid = vfork())) {
279 execl(_PATH_RM, "mv", "-rf", from, NULL);
280 warn("%s", _PATH_RM);
281 _exit(1);
282 }
283 if (waitpid(pid, &status, 0) == -1) {
284 warn("%s: waitpid", _PATH_RM);
285 return (1);
286 }
287 if (!WIFEXITED(status)) {
288 warn("%s: did not terminate normally", _PATH_RM);
289 return (1);
290 }
291 if (WEXITSTATUS(status)) {
292 warn("%s: terminated with %d (non-zero) status",
293 _PATH_RM, WEXITSTATUS(status));
294 return (1);
295 }
296 return (0);
297}
298
299void
300usage()
301{
| 177 return (0);
178 }
179 }
180 if (!rename(from, to))
181 return (0);
182
183 if (errno != EXDEV) {
184 warn("rename %s to %s", from, to);
185 return (1);
186 }
187
188 /*
189 * If rename fails because we're trying to cross devices, and
190 * it's a regular file, do the copy internally; otherwise, use
191 * cp and rm.
192 */
193 if (stat(from, &sb)) {
194 warn("%s", from);
195 return (1);
196 }
197 return (S_ISREG(sb.st_mode) ?
198 fastcopy(from, to, &sb) : copy(from, to));
199}
200
201int
202fastcopy(from, to, sbp)
203 char *from, *to;
204 struct stat *sbp;
205{
206 struct timeval tval[2];
207 static u_int blen;
208 static char *bp;
209 register int nread, from_fd, to_fd;
210
211 if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
212 warn("%s", from);
213 return (1);
214 }
215 if ((to_fd =
216 open(to, O_CREAT | O_TRUNC | O_WRONLY, sbp->st_mode)) < 0) {
217 warn("%s", to);
218 (void)close(from_fd);
219 return (1);
220 }
221 if (!blen && !(bp = malloc(blen = sbp->st_blksize))) {
222 warn(NULL);
223 return (1);
224 }
225 while ((nread = read(from_fd, bp, blen)) > 0)
226 if (write(to_fd, bp, nread) != nread) {
227 warn("%s", to);
228 goto err;
229 }
230 if (nread < 0) {
231 warn("%s", from);
232err: if (unlink(to))
233 warn("%s: remove", to);
234 (void)close(from_fd);
235 (void)close(to_fd);
236 return (1);
237 }
238 (void)close(from_fd);
239
240 if (fchown(to_fd, sbp->st_uid, sbp->st_gid))
241 warn("%s: set owner/group", to);
242 if (fchmod(to_fd, sbp->st_mode))
243 warn("%s: set mode", to);
244
245 tval[0].tv_sec = sbp->st_atime;
246 tval[1].tv_sec = sbp->st_mtime;
247 tval[0].tv_usec = tval[1].tv_usec = 0;
248 if (utimes(to, tval))
249 warn("%s: set times", to);
250
251 if (close(to_fd)) {
252 warn("%s", to);
253 return (1);
254 }
255
256 if (unlink(from)) {
257 warn("%s: remove", from);
258 return (1);
259 }
260 return (0);
261}
262
263int
264copy(from, to)
265 char *from, *to;
266{
267 int pid, status;
268
269 if ((pid = vfork()) == 0) {
270 execl(_PATH_CP, "mv", "-PRp", from, to, NULL);
271 warn("%s", _PATH_CP);
272 _exit(1);
273 }
274 if (waitpid(pid, &status, 0) == -1) {
275 warn("%s: waitpid", _PATH_CP);
276 return (1);
277 }
278 if (!WIFEXITED(status)) {
279 warn("%s: did not terminate normally", _PATH_CP);
280 return (1);
281 }
282 if (WEXITSTATUS(status)) {
283 warn("%s: terminated with %d (non-zero) status",
284 _PATH_CP, WEXITSTATUS(status));
285 return (1);
286 }
287 if (!(pid = vfork())) {
288 execl(_PATH_RM, "mv", "-rf", from, NULL);
289 warn("%s", _PATH_RM);
290 _exit(1);
291 }
292 if (waitpid(pid, &status, 0) == -1) {
293 warn("%s: waitpid", _PATH_RM);
294 return (1);
295 }
296 if (!WIFEXITED(status)) {
297 warn("%s: did not terminate normally", _PATH_RM);
298 return (1);
299 }
300 if (WEXITSTATUS(status)) {
301 warn("%s: terminated with %d (non-zero) status",
302 _PATH_RM, WEXITSTATUS(status));
303 return (1);
304 }
305 return (0);
306}
307
308void
309usage()
310{
|
302 (void)fprintf(stderr,
303"usage: mv [-if] src target;\n or: mv [-if] src1 ... srcN directory\n");
| 311 (void)fprintf(stderr,
312"\
313usage: mv [-i | -f] src target;\n\
314 or: mv [-i | -f] src1 ... srcN directory\n");
|
304 exit(1);
305}
| 315 exit(1);
316}
|