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Commit | Line | Data |
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1227625a SP |
1 | /* |
2 | * Ported to Linux's Second Extended File System as part of the | |
3 | * dump and restore backup suit | |
b45f51d6 | 4 | * Remy Card <card@Linux.EU.Org>, 1994-1997 |
df9ae507 | 5 | * Stelian Pop <pop@cybercable.fr>, 1999 |
1227625a SP |
6 | */ |
7 | ||
8 | /* | |
9 | * Copyright (c) 1983, 1993 | |
10 | * The Regents of the University of California. All rights reserved. | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or without | |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * 1. Redistributions of source code must retain the above copyright | |
16 | * notice, this list of conditions and the following disclaimer. | |
17 | * 2. Redistributions in binary form must reproduce the above copyright | |
18 | * notice, this list of conditions and the following disclaimer in the | |
19 | * documentation and/or other materials provided with the distribution. | |
20 | * 3. All advertising materials mentioning features or use of this software | |
21 | * must display the following acknowledgement: | |
22 | * This product includes software developed by the University of | |
23 | * California, Berkeley and its contributors. | |
24 | * 4. Neither the name of the University nor the names of its contributors | |
25 | * may be used to endorse or promote products derived from this software | |
26 | * without specific prior written permission. | |
27 | * | |
28 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
29 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
31 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
32 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
37 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
38 | * SUCH DAMAGE. | |
39 | */ | |
40 | ||
df9ae507 SP |
41 | #ifndef lint |
42 | static const char rcsid[] = | |
394240ce | 43 | "$Id: main.c,v 1.7 1999/11/22 21:39:42 tiniou Exp $"; |
df9ae507 SP |
44 | #endif /* not lint */ |
45 | ||
1227625a | 46 | #include <sys/param.h> |
1227625a | 47 | #include <sys/stat.h> |
b45f51d6 | 48 | #include <errno.h> |
1227625a SP |
49 | |
50 | #ifdef __linux__ | |
51 | #include <linux/ext2_fs.h> | |
52 | #include <bsdcompat.h> | |
b45f51d6 SP |
53 | #include <signal.h> |
54 | #include <string.h> | |
1227625a SP |
55 | #else /* __linux__ */ |
56 | #include <ufs/ufs/dinode.h> | |
1227625a SP |
57 | #endif /* __linux__ */ |
58 | #include <protocols/dumprestore.h> | |
59 | ||
ddd2ef55 | 60 | #include <compaterr.h> |
1227625a SP |
61 | #include <stdio.h> |
62 | #include <stdlib.h> | |
1227625a SP |
63 | #include <unistd.h> |
64 | ||
65 | #ifdef __linux__ | |
66 | #include <ext2fs/ext2fs.h> | |
67 | #include <getopt.h> | |
68 | #endif | |
69 | ||
70 | #include "pathnames.h" | |
71 | #include "restore.h" | |
72 | #include "extern.h" | |
73 | ||
74 | int bflag = 0, cvtflag = 0, dflag = 0, vflag = 0, yflag = 0; | |
75 | int hflag = 1, mflag = 1, Nflag = 0; | |
b45f51d6 SP |
76 | int uflag = 0; |
77 | int dokerberos = 0; | |
1227625a SP |
78 | char command = '\0'; |
79 | long dumpnum = 1; | |
80 | long volno = 0; | |
81 | long ntrec; | |
82 | char *dumpmap; | |
83 | char *usedinomap; | |
84 | ino_t maxino; | |
85 | time_t dumptime; | |
86 | time_t dumpdate; | |
87 | FILE *terminal; | |
ddd2ef55 | 88 | char *tmpdir; |
1227625a SP |
89 | int compare_ignore_not_found; |
90 | char *filesys = NULL; | |
1227625a SP |
91 | |
92 | #ifdef __linux__ | |
93 | char *__progname; | |
94 | #endif | |
95 | ||
96 | static void obsolete __P((int *, char **[])); | |
97 | static void usage __P((void)); | |
98 | ||
99 | int | |
ddd2ef55 | 100 | main(int argc, char *argv[]) |
1227625a SP |
101 | { |
102 | int ch; | |
103 | ino_t ino; | |
ddd2ef55 | 104 | char *inputdev = _PATH_DEFTAPE; |
1227625a SP |
105 | char *symtbl = "./restoresymtable"; |
106 | char *p, name[MAXPATHLEN]; | |
107 | ||
b45f51d6 SP |
108 | /* Temp files should *not* be readable. We set permissions later. */ |
109 | (void) umask(077); | |
1227625a SP |
110 | |
111 | #ifdef __linux__ | |
112 | __progname = argv[0]; | |
113 | #endif | |
114 | ||
b45f51d6 SP |
115 | if (argc < 2) |
116 | usage(); | |
117 | ||
118 | if ((inputdev = getenv("TAPE")) == NULL) | |
119 | inputdev = _PATH_DEFTAPE; | |
ddd2ef55 SP |
120 | if ((tmpdir = getenv("TMPDIR")) == NULL) |
121 | tmpdir = _PATH_TMP; | |
122 | if ((tmpdir = strdup(tmpdir)) == NULL) | |
123 | err(1, "malloc tmpdir"); | |
124 | for (p = tmpdir + strlen(tmpdir) - 1; p >= tmpdir && *p == '/'; p--) | |
125 | ; | |
1227625a | 126 | obsolete(&argc, &argv); |
b45f51d6 | 127 | #ifdef KERBEROS |
394240ce | 128 | #define optlist "b:CcdD:f:hikmMNRrs:tT:uvxy" |
b45f51d6 | 129 | #else |
394240ce | 130 | #define optlist "b:CcdD:f:himMNRrs:tT:uvxy" |
b45f51d6 SP |
131 | #endif |
132 | while ((ch = getopt(argc, argv, optlist)) != -1) | |
1227625a SP |
133 | switch(ch) { |
134 | case 'b': | |
135 | /* Change default tape blocksize. */ | |
136 | bflag = 1; | |
137 | ntrec = strtol(optarg, &p, 10); | |
138 | if (*p) | |
139 | errx(1, "illegal blocksize -- %s", optarg); | |
140 | if (ntrec <= 0) | |
141 | errx(1, "block size must be greater than 0"); | |
142 | break; | |
143 | case 'c': | |
144 | cvtflag = 1; | |
145 | break; | |
146 | case 'D': | |
147 | filesys = optarg; | |
148 | break; | |
149 | case 'T': | |
150 | tmpdir = optarg; | |
151 | break; | |
152 | case 'd': | |
153 | dflag = 1; | |
154 | break; | |
155 | case 'f': | |
156 | inputdev = optarg; | |
157 | break; | |
158 | case 'h': | |
159 | hflag = 0; | |
160 | break; | |
b45f51d6 SP |
161 | #ifdef KERBEROS |
162 | case 'k': | |
163 | dokerberos = 1; | |
164 | break; | |
165 | #endif | |
1227625a SP |
166 | case 'C': |
167 | case 'i': | |
168 | case 'R': | |
169 | case 'r': | |
170 | case 't': | |
171 | case 'x': | |
172 | if (command != '\0') | |
173 | errx(1, | |
174 | "%c and %c options are mutually exclusive", | |
175 | ch, command); | |
176 | command = ch; | |
177 | break; | |
178 | case 'm': | |
179 | mflag = 0; | |
180 | break; | |
394240ce SP |
181 | case 'M': |
182 | Mflag = 1; | |
183 | break; | |
1227625a SP |
184 | case 'N': |
185 | Nflag = 1; | |
186 | break; | |
187 | case 's': | |
188 | /* Dumpnum (skip to) for multifile dump tapes. */ | |
189 | dumpnum = strtol(optarg, &p, 10); | |
190 | if (*p) | |
191 | errx(1, "illegal dump number -- %s", optarg); | |
192 | if (dumpnum <= 0) | |
193 | errx(1, "dump number must be greater than 0"); | |
194 | break; | |
b45f51d6 SP |
195 | case 'u': |
196 | uflag = 1; | |
197 | break; | |
1227625a SP |
198 | case 'v': |
199 | vflag = 1; | |
200 | break; | |
201 | case 'y': | |
202 | yflag = 1; | |
203 | break; | |
204 | default: | |
205 | usage(); | |
206 | } | |
207 | argc -= optind; | |
208 | argv += optind; | |
209 | ||
210 | if (command == '\0') | |
211 | errx(1, "none of C, i, R, r, t or x options specified"); | |
212 | ||
213 | if (signal(SIGINT, onintr) == SIG_IGN) | |
214 | (void) signal(SIGINT, SIG_IGN); | |
215 | if (signal(SIGTERM, onintr) == SIG_IGN) | |
216 | (void) signal(SIGTERM, SIG_IGN); | |
217 | setlinebuf(stderr); | |
218 | ||
ddd2ef55 SP |
219 | atexit(cleanup); |
220 | ||
1227625a SP |
221 | setinput(inputdev); |
222 | ||
223 | if (argc == 0) { | |
224 | argc = 1; | |
225 | *--argv = "."; | |
226 | } | |
227 | ||
228 | switch (command) { | |
229 | /* | |
230 | * Compare contents of tape. | |
231 | */ | |
232 | case 'C': { | |
233 | struct stat stbuf; | |
234 | ||
ddd2ef55 | 235 | Vprintf(stdout, "Begin compare restore\n"); |
1227625a SP |
236 | compare_ignore_not_found = 0; |
237 | setup(); | |
238 | printf("filesys = %s\n", filesys); | |
ddd2ef55 SP |
239 | if (stat(filesys, &stbuf) < 0) |
240 | err(1, "cannot stat directory %s", filesys); | |
241 | if (chdir(filesys) < 0) | |
242 | err(1, "cannot cd to %s", filesys); | |
1227625a SP |
243 | compare_ignore_not_found = dumptime > 0; |
244 | initsymtable((char *)0); | |
245 | extractdirs(0); | |
246 | treescan(".", ROOTINO, nodeupdates); | |
247 | compareleaves(); | |
248 | checkrestore(); | |
249 | break; | |
250 | } | |
251 | ||
252 | /* | |
253 | * Interactive mode. | |
254 | */ | |
255 | case 'i': | |
256 | setup(); | |
257 | extractdirs(1); | |
258 | initsymtable(NULL); | |
259 | runcmdshell(); | |
260 | break; | |
261 | /* | |
262 | * Incremental restoration of a file system. | |
263 | */ | |
264 | case 'r': | |
265 | setup(); | |
266 | if (dumptime > 0) { | |
267 | /* | |
268 | * This is an incremental dump tape. | |
269 | */ | |
ddd2ef55 | 270 | Vprintf(stdout, "Begin incremental restore\n"); |
1227625a SP |
271 | initsymtable(symtbl); |
272 | extractdirs(1); | |
273 | removeoldleaves(); | |
ddd2ef55 | 274 | Vprintf(stdout, "Calculate node updates.\n"); |
1227625a SP |
275 | treescan(".", ROOTINO, nodeupdates); |
276 | findunreflinks(); | |
277 | removeoldnodes(); | |
278 | } else { | |
279 | /* | |
280 | * This is a level zero dump tape. | |
281 | */ | |
ddd2ef55 | 282 | Vprintf(stdout, "Begin level 0 restore\n"); |
1227625a SP |
283 | initsymtable((char *)0); |
284 | extractdirs(1); | |
ddd2ef55 | 285 | Vprintf(stdout, "Calculate extraction list.\n"); |
1227625a SP |
286 | treescan(".", ROOTINO, nodeupdates); |
287 | } | |
288 | createleaves(symtbl); | |
289 | createlinks(); | |
290 | setdirmodes(FORCE); | |
291 | checkrestore(); | |
292 | if (dflag) { | |
ddd2ef55 | 293 | Vprintf(stdout, "Verify the directory structure\n"); |
1227625a SP |
294 | treescan(".", ROOTINO, verifyfile); |
295 | } | |
296 | dumpsymtable(symtbl, (long)1); | |
297 | break; | |
298 | /* | |
299 | * Resume an incremental file system restoration. | |
300 | */ | |
301 | case 'R': | |
302 | initsymtable(symtbl); | |
303 | skipmaps(); | |
304 | skipdirs(); | |
305 | createleaves(symtbl); | |
306 | createlinks(); | |
307 | setdirmodes(FORCE); | |
308 | checkrestore(); | |
309 | dumpsymtable(symtbl, (long)1); | |
310 | break; | |
311 | /* | |
312 | * List contents of tape. | |
313 | */ | |
314 | case 't': | |
315 | setup(); | |
316 | extractdirs(0); | |
317 | initsymtable((char *)0); | |
318 | while (argc--) { | |
b45f51d6 | 319 | canon(*argv++, name, sizeof(name)); |
1227625a SP |
320 | ino = dirlookup(name); |
321 | if (ino == 0) | |
322 | continue; | |
323 | treescan(name, ino, listfile); | |
324 | } | |
325 | break; | |
326 | /* | |
327 | * Batch extraction of tape contents. | |
328 | */ | |
329 | case 'x': | |
330 | setup(); | |
331 | extractdirs(1); | |
332 | initsymtable((char *)0); | |
333 | while (argc--) { | |
b45f51d6 | 334 | canon(*argv++, name, sizeof(name)); |
1227625a SP |
335 | ino = dirlookup(name); |
336 | if (ino == 0) | |
337 | continue; | |
338 | if (mflag) | |
339 | pathcheck(name); | |
340 | treescan(name, ino, addfile); | |
341 | } | |
342 | createfiles(); | |
343 | createlinks(); | |
344 | setdirmodes(0); | |
345 | if (dflag) | |
346 | checkrestore(); | |
347 | break; | |
348 | } | |
ddd2ef55 | 349 | exit(0); |
1227625a | 350 | /* NOTREACHED */ |
ddd2ef55 | 351 | return 0; /* gcc shut up */ |
1227625a SP |
352 | } |
353 | ||
354 | static void | |
ddd2ef55 | 355 | usage(void) |
1227625a | 356 | { |
8d4197bb SP |
357 | #ifdef KERBEROS |
358 | #define kerbflag "k" | |
359 | #else | |
360 | #define kerbflag | |
361 | #endif | |
df9ae507 SP |
362 | (void)fprintf(stderr, |
363 | "%s %s\n", __progname, _DUMP_VERSION); | |
364 | (void)fprintf(stderr, | |
365 | "usage:\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n\t%s%s\n", | |
394240ce SP |
366 | __progname, " -i [-ch" kerbflag "mMuvy] [-b blocksize] [-f file] [-s fileno]", |
367 | __progname, " -r [-c" kerbflag "Muvy] [-b blocksize] [-f file] [-s fileno]", | |
368 | __progname, " -R [-c" kerbflag "Muvy] [-b blocksize] [-f file] [-s fileno]", | |
369 | __progname, " -x [-ch" kerbflag "mMuvy] [-b blocksize] [-f file] [-s fileno] [file ...]", | |
370 | __progname, " -t [-ch" kerbflag "Muvy] [-b blocksize] [-f file] [-s fileno] [file ...]"); | |
ddd2ef55 | 371 | exit(1); |
1227625a SP |
372 | } |
373 | ||
374 | /* | |
375 | * obsolete -- | |
376 | * Change set of key letters and ordered arguments into something | |
377 | * getopt(3) will like. | |
378 | */ | |
379 | static void | |
ddd2ef55 | 380 | obsolete(int *argcp, char **argvp[]) |
1227625a SP |
381 | { |
382 | int argc, flags; | |
ddd2ef55 | 383 | char *ap, **argv, *flagsp = NULL, **nargv, *p = NULL; |
1227625a SP |
384 | |
385 | /* Setup. */ | |
386 | argv = *argvp; | |
387 | argc = *argcp; | |
388 | ||
389 | /* Return if no arguments or first argument has leading dash. */ | |
390 | ap = argv[1]; | |
391 | if (argc == 1 || *ap == '-') | |
392 | return; | |
393 | ||
394 | /* Allocate space for new arguments. */ | |
395 | if ((*argvp = nargv = malloc((argc + 1) * sizeof(char *))) == NULL || | |
396 | (p = flagsp = malloc(strlen(ap) + 2)) == NULL) | |
ddd2ef55 | 397 | err(1, "malloc args"); |
1227625a SP |
398 | |
399 | *nargv++ = *argv; | |
b45f51d6 | 400 | argv += 2, argc -= 2; |
1227625a SP |
401 | |
402 | for (flags = 0; *ap; ++ap) { | |
403 | switch (*ap) { | |
404 | case 'b': | |
405 | case 'f': | |
406 | case 's': | |
407 | if (*argv == NULL) { | |
408 | warnx("option requires an argument -- %c", *ap); | |
409 | usage(); | |
410 | } | |
411 | if ((nargv[0] = malloc(strlen(*argv) + 2 + 1)) == NULL) | |
ddd2ef55 | 412 | err(1, "malloc arg"); |
1227625a SP |
413 | nargv[0][0] = '-'; |
414 | nargv[0][1] = *ap; | |
415 | (void)strcpy(&nargv[0][2], *argv); | |
416 | ++argv; | |
417 | ++nargv; | |
418 | break; | |
419 | default: | |
420 | if (!flags) { | |
421 | *p++ = '-'; | |
422 | flags = 1; | |
423 | } | |
424 | *p++ = *ap; | |
425 | break; | |
426 | } | |
427 | } | |
428 | ||
429 | /* Terminate flags. */ | |
430 | if (flags) { | |
431 | *p = '\0'; | |
432 | *nargv++ = flagsp; | |
433 | } | |
434 | ||
435 | /* Copy remaining arguments. */ | |
b45f51d6 | 436 | while ((*nargv++ = *argv++)); |
1227625a SP |
437 | |
438 | /* Update argument count. */ | |
439 | *argcp = nargv - *argvp - 1; | |
440 | } |