source: MondoRescue/branches/2.0.8/mondo/mondo/mondoarchive/mondo-cli.c

Last change on this file was 634, checked in by bcornec, 18 years ago
  • Fix a bug in -I and -E handling !!
  • mknewtag now checks that Changelog are up to date
  • Property svn:keywords set to Id
File size: 31.3 KB
Line 
1/***************************************************************************
2mondo-cli.c
3-------------------
4begin : Fri Apr 19 16:40:35 EDT 2002
5copyright : (C) 2002 Mondo Hugo Rabson
6email : Hugo Rabson <hugorabson@msn.com>
7edited by : by Stan Benoit 4/2002
8email : troff@nakedsoul.org
9cvsid : $Id: mondo-cli.c 634 2006-06-07 13:08:34Z bcornec $
10 ***************************************************************************/
11
12/***************************************************************************
13 * *
14 * This program is free software; you can redistribute it and/or modify *
15 * it under the terms of the GNU General Public License as published by *
16 * the Free Software Foundation; either version 2 of the License, or *
17 * (at your option) any later version. *
18 * *
19 ***************************************************************************/
20
21/***************************************************************************
22UPDATE LOG
23
24
2508/04
26- if user specifies a dumb -T value, abort
27
2807/22
29- handle -Q sensibly (don't abort if only -Q supplied)
30
3107/17
32- better checking of NFS dir's validity
33
3406/19
35- added AUX_VER
36
3704/17
38- added '-b' support
3904/03
40- added star support
41
4202/06
43- fixed "Please give /dev entry" error msg
44
4501/20/2004
46- added 2.6.x-kernel "device = /dev/...." support to param reader
47- better handling of SCSI and /dev entries
48- touch /boot/boot.b if necessary
49
5009/26/2003
51- typo in command-line handling of 'r'
52
5309/25
54- added DVD write support
55
5609/24
57- if tape backup (-t) but user doesn't specify tape drive then
58 make an educated guess using find_tape_device_and_size()
59
6009/18
61- insist on partimagehack being present if -x found
62
6309/16
64- added support for multiple -I's and -E's in call to mondoarchive
65- the '-D' flag doesn't take a value now
66
6707/14
68- fatal error if -E too short
69
7005/14
71- if 'n' and user doesn't have rights to write to output dir
72 then error out
73
7405/05
75- added Joshua Oreman's FreeBSD patches
76
7705/04
78- added Herman Kuster's multi-level bkp patch
79
8005/02
81- write errors to screen, not just to log
82
8304/25
84- added lots of assert()'s and log_OS_error()'s
85
8604/21
87- line 570 --- resolve boot device if softlink
88
8904/08
90- changed a bunch of fprintf(stderr,...)'s to log_it()'s
91- fixed final / removal in retrieve_switches_from_command_line()
92
9304/04
94- added -e
95
9603/15
97- reject relative paths if -d flag (Alessandro Polverini)
98
9901/02/2003
100- added -J flag (to let user specify incoming filelist)
101
10212/13/2002
103- various strcpy() calls replaced with strncpy() calls
104
10512/10
106- added g_loglevel
107
10811/25
109- line 614 --- if commmand-line param ends in '/' then drop that '/'
110
11111/19
112- rewrote finish() to kill processes more softly
113- if user calls with '-l RAW' then
114
11509/01 - 09/30
116- added -N to let user exclude all NFS-related mounts and devices
117- run_program_and_log_output() now takes boolean operator to specify
118 whether it will log its activities in the event of _success_
119
12008/01 - 08/31
121- if no device specified when backing up to tape streamer then assume /dev/st0
122- abort if tape user specifies tape size (just for testing porpoises)
123- tape users no longer need to specify tape size
124- added some comments
125- added bkpinfo->backup_media_type
126- renamed from mondo-archive.c to mondo-cli.c
127
12807/01 - 07/31
129- better check for mkfs.vfat
130- more sanity-checking for -d flag
131- if isodir does not exist then abort
132- removed "the rest are..." comment from log
133- do not permit '-H' and '-t' in the same command line
134- if not '-o' then insist on vfat-friendly kernel
135
13606/01 - 06/30
137- added signal-trapping
138- added '-W' (won't make bootable CD or floppies) flag
139- added missing 'j++' to -s switch's code
140- expanded -s switch
141- added -u switch
142- if dvdrecord exists and cdrecord doesn't then use
143 dvdrecord instead of cdrecord
144
14504/01 - 04/30
146- if CD-ROM is supermounted then unmount, run, and remount
147- replace MONDO_VERSION #define with VERSION from ../config.h
148- if CD-ROM is mounted at start then abort
149- improved homedir-locating code
150- improved "backup will occupy N CD's" calculation a bit
151- added -m (manual CD tray) flag
152
153
154*******************************************************************/
155
156/**
157 * @file
158 * Functions for handling command-line arguments passed to mondoarchive.
159 */
160
161/** @def BOOT_LOADER_CHARS The characters allowed for boot loader on this platform. */
162
163#include <pthread.h>
164#include "../common/my-stuff.h"
165#include "../common/mondostructures.h"
166#include "mondo-cli-EXT.h"
167#include "../common/libmondo.h"
168
169//static char cvsid[] = "$Id: mondo-cli.c 634 2006-06-07 13:08:34Z bcornec $";
170
171extern int g_loglevel;
172extern bool g_text_mode;
173extern bool g_skip_floppies; ///< Whether to skip the creation of boot disks
174extern char g_startdir[MAX_STR_LEN]; ///< ????? @bug ?????
175extern char g_erase_tmpdir_and_scratchdir[MAX_STR_LEN];
176extern char g_tmpfs_mountpt[MAX_STR_LEN];
177extern bool g_sigpipe;
178
179/*@ file pointer **************************************************/
180extern FILE *g_tape_stream;
181
182/*@ long long *****************************************************/
183extern long long g_tape_posK;
184
185/*@ long **********************************************************/
186extern long g_noof_sets;
187
188/*@ bool******** **************************************************/
189bool g_debugging = FALSE; ///< ????? @bug ????? @ingroup globalGroup
190bool g_running_live = FALSE; ///< ????? @bug ????? @ingroup globalGroup
191extern bool g_cd_recovery;
192
193/**
194 * Whether we're restoring from ISOs. Obviously not, since this is the
195 * backup program.
196 * @note You @b MUST declare this variable somewhere in your program if
197 * you use libmondo. Otherwise the link will fail.
198 * @ingroup globalGroup
199 */
200bool g_ISO_restore_mode = FALSE;
201
202
203extern double g_kernel_version;
204
205extern int g_current_media_number;
206
207
208
209extern pid_t g_main_pid;
210
211
212
213
214extern char *resolve_softlinks_to_get_to_actual_device_file(char *);
215
216
217
218/**
219 * @addtogroup cliGroup
220 * @{
221 */
222/**
223 * Populate @p bkpinfo from the command-line parameters stored in @p argc and @p argv.
224 * @param argc The argument count, including the program name; @p argc passed to main().
225 * @param argv The argument vector; @p argv passed to main().
226 * @param bkpinfo The backup information structure to populate.
227 * @return The number of problems with the command line (0 for success).
228 */
229int
230handle_incoming_parameters(int argc, char *argv[],
231 struct s_bkpinfo *bkpinfo)
232{
233 /*@ int *** */
234 int res = 0;
235 int retval = 0;
236 int i = 0, j;
237
238 /*@ buffers *************** */
239 char *tmp;
240 char flag_val[128][MAX_STR_LEN];
241 bool flag_set[128];
242
243 malloc_string(tmp);
244 sensibly_set_tmpdir_and_scratchdir(bkpinfo);
245 for (i = 0; i < 128; i++) {
246 flag_val[i][0] = '\0';
247 flag_set[i] = FALSE;
248 }
249 // strcpy (bkpinfo->tmpdir, "/root/images/mondo");
250 // strcpy (bkpinfo->scratchdir, "/home");
251 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
252 bkpinfo->media_size[j] = 650;
253 } /* default */
254 res =
255 retrieve_switches_from_command_line(argc, argv, flag_val,
256 flag_set);
257 retval += res;
258 if (!retval) {
259 res = process_switches(bkpinfo, flag_val, flag_set);
260 retval += res;
261 }
262/*
263 if (!retval)
264 {
265*/
266 log_msg(3, "Switches:-");
267 for (i = 0; i < 128; i++) {
268 if (flag_set[i]) {
269 sprintf(tmp, "-%c %s", i, flag_val[i]);
270 log_msg(3, tmp);
271 }
272 }
273// }
274 sprintf(tmp, "rm -Rf %s/tmp.mondo.*", bkpinfo->tmpdir);
275 paranoid_system(tmp);
276 sprintf(tmp, "rm -Rf %s/mondo.scratch.*", bkpinfo->scratchdir);
277 paranoid_system(tmp);
278 sprintf(bkpinfo->tmpdir + strlen(bkpinfo->tmpdir), "/tmp.mondo.%ld",
279 random() % 32767);
280 sprintf(bkpinfo->scratchdir + strlen(bkpinfo->scratchdir),
281 "/mondo.scratch.%ld", random() % 32767);
282 sprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
283 paranoid_system(tmp);
284 sprintf(tmp, "mkdir -p %s", bkpinfo->scratchdir);
285 paranoid_system(tmp);
286 if (bkpinfo->nfs_mount[0] != '\0') {
287 store_nfs_config(bkpinfo);
288 }
289 paranoid_free(tmp);
290 return (retval);
291}
292
293
294
295
296/**
297 * Store the sizespec(s) stored in @p value into @p bkpinfo.
298 * @param bkpinfo The backup information structure; the @c bkpinfo->media_size field will be populated.
299 * @param value The sizespec (e.g. "2g", "40m").
300 * @return 0, always.
301 * @bug Return code not needed.
302 */
303int process_the_s_switch(struct s_bkpinfo *bkpinfo, char *value)
304{
305 int j;
306 char tmp[MAX_STR_LEN], *p, comment[MAX_STR_LEN];
307
308 assert(bkpinfo != NULL);
309 assert(value != NULL);
310
311 bkpinfo->media_size[0] = -1; /* dummy value */
312 for (j = 1, p = value; j < MAX_NOOF_MEDIA && strchr(p, ',');
313 j++, p = strchr(p, ',') + 1) {
314 strncpy(tmp, p, MAX_STR_LEN);
315 *(strchr(tmp, ',')) = '\0';
316 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(tmp);
317 sprintf(comment, "media_size[%d] = %ld", j,
318 bkpinfo->media_size[j]);
319 log_msg(3, comment);
320 }
321 for (; j <= MAX_NOOF_MEDIA; j++) {
322 bkpinfo->media_size[j] = friendly_sizestr_to_sizelong(p);
323 }
324// bkpinfo->media_size[0] = bkpinfo->media_size[MAX_NOOF_MEDIA];
325 for (j = 1; j <= MAX_NOOF_MEDIA; j++) {
326 if (bkpinfo->media_size[j] <= 0) {
327 log_msg(1, "You gave media #%d an invalid size\n", j);
328 return (-1);
329 }
330 }
331 return (0);
332}
333
334
335
336/**
337 * Process mondoarchive's command-line switches.
338 * @param bkpinfo The backup information structure to populate.
339 * @param flag_val An array of the argument passed to each switch (the letter is the index).
340 * If a switch is not set or has no argument, the field in @p flag_val doesn't matter.
341 * @param flag_set An array of <tt>bool</tt>s indexed by switch letter: TRUE if it's set,
342 * FALSE if it's not.
343 * @return The number of problems with the switches, or 0 for success.
344 * @bug Maybe include a list of all switches (inc. intentionally undocumented ones not in the manual!) here?
345 */
346int
347process_switches(struct s_bkpinfo *bkpinfo,
348 char flag_val[128][MAX_STR_LEN], bool flag_set[128])
349{
350
351 /*@ ints *** */
352 int i = 0;
353 int retval = 0;
354 int percent = 0;
355
356 /*@ buffers ** */
357 char *tmp;
358 char *tmp1;
359 char *psz;
360 char *p;
361 char *q;
362
363 long itbs;
364
365 struct stat buf;
366
367 malloc_string(tmp);
368 malloc_string(psz);
369
370 assert(bkpinfo != NULL);
371 assert(flag_val != NULL);
372 assert(flag_set != NULL);
373
374 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
375
376/* compulsory */
377 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
378 flag_set['t'] + flag_set['u'] + flag_set['r'] +
379 flag_set['w'] + flag_set['C'];
380 if (i == 0) {
381 retval++;
382 log_to_screen("You must specify the media type\n");
383 }
384 if (i > 1) {
385 retval++;
386 log_to_screen("Please specify only one media type\n");
387 }
388 if (flag_set['K']) {
389 g_loglevel = atoi(flag_val['K']);
390 if (g_loglevel < 3) {
391 g_loglevel = 3;
392 }
393 }
394 if (flag_set['L'] && flag_set['0']) {
395 retval++;
396 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
397 }
398 bkpinfo->backup_data = flag_set['O'];
399 bkpinfo->verify_data = flag_set['V'];
400 if (flag_set['I'] && !bkpinfo->backup_data) {
401 log_to_screen("-I switch is ignored if just verifying");
402 }
403 if (flag_set['E'] && !bkpinfo->backup_data) {
404 log_to_screen("-E switch is ignored if just verifying");
405 }
406
407 if (!find_home_of_exe("afio")) {
408 if (find_home_of_exe("star")) {
409 flag_set['R'] = TRUE;
410 log_msg(1, "Using star instead of afio");
411 } else {
412 fatal_error
413 ("Neither afio nor star is installed. Please install at least one.");
414 }
415 }
416
417 if (flag_set['R']) {
418 bkpinfo->use_star = TRUE;
419 if (flag_set['L']) {
420 fatal_error("You may not use star and lzop at the same time.");
421 }
422 if (!find_home_of_exe("star")) {
423 fatal_error
424 ("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
425 }
426 }
427 if (flag_set['W']) {
428 bkpinfo->nonbootable_backup = TRUE;
429 log_to_screen("Warning - you have opted for non-bootable backup");
430 if (flag_set['f'] || flag_set['l']) {
431 log_to_screen
432 ("You don't need to specify bootloader or bootdevice");
433 }
434 }
435 if (flag_set['t'] && flag_set['H']) {
436 fatal_error
437 ("Sorry, you may not nuke w/o warning from tape. Drop -H, please.");
438 }
439 if (flag_set['I']) {
440 if (!strcmp(bkpinfo->include_paths, "/")) {
441 log_msg(2, "'/' is pleonastic.");
442 bkpinfo->include_paths[0] = '\0';
443 }
444 if (bkpinfo->include_paths[0]) {
445 strcat(bkpinfo->include_paths, " ");
446 }
447 asprintf(&tmp1, flag_val['I']);
448 p = tmp1;
449 q = tmp1;
450
451 /* Cut the flag_val['I'] in parts containing all paths to test them */
452 while (p != NULL) {
453 q = strchr(p, ' ');
454 if (q != NULL) {
455 *q = '\0';
456 if (stat(p, &buf) != 0) {
457 log_msg(1, "ERROR ! %s doesn't exist", p);
458 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
459 }
460 p = q+1 ;
461 } else {
462 if (stat(p, &buf) != 0) {
463 log_msg(1, "ERROR ! %s doesn't exist", p);
464 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
465 }
466 p = NULL;
467 }
468 }
469 paranoid_free(tmp1);
470
471 strncpy(bkpinfo->include_paths + strlen(bkpinfo->include_paths),
472 flag_val['I'],
473 4*MAX_STR_LEN - strlen(bkpinfo->include_paths));
474 log_msg(1, "include_paths is now '%s'", bkpinfo->include_paths);
475 if (bkpinfo->include_paths[0] == '-') {
476 retval++;
477 log_to_screen("Please supply a sensible value with '-I'\n");
478 }
479 }
480
481 if (g_kernel_version >= 2.6 && !flag_set['d']
482 && (flag_set['c'] || flag_set['w'])) {
483 fatal_error
484 ("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
485 }
486
487
488 if (flag_set['J']) {
489 if (flag_set['I']) {
490 retval++;
491 log_to_screen
492 ("Please do not use -J in combination with -I. If you want to make a list of files to backup, that's fine, use -J <filename> but please don't muddy the waters by combining -J with -I. Thanks. :-)");
493 }
494 bkpinfo->make_filelist = FALSE;
495 strcpy(bkpinfo->include_paths, flag_val['J']);
496 }
497 if (flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) {
498 if (!flag_set['r'] && g_kernel_version <= 2.5
499 && strstr(flag_val['d'], "/dev/")) {
500 fatal_error
501 ("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
502 }
503 if (flag_set['r'] && g_kernel_version <= 2.5
504 && !strstr(flag_val['d'], "/dev/")) {
505 fatal_error
506 ("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
507 }
508 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
509 log_to_screen
510 ("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
511 }
512
513 if (system("which cdrecord > /dev/null 2> /dev/null")
514 && system("which dvdrecord > /dev/null 2> /dev/null")) {
515 fatal_error
516 ("Please install dvdrecord/cdrecord and try again.");
517 }
518 if (flag_set['C']) {
519 bkpinfo->cdrw_speed = atoi(flag_val['C']);
520 if (bkpinfo->cdrw_speed < 1) {
521 fatal_error
522 ("You specified a silly speed for a CD-R[W] drive");
523 }
524 if (!flag_set['L']) {
525 log_to_screen
526 ("You must use -L with -C. Therefore I am setting it for you.");
527 flag_set['L'] = 1;
528 flag_val['L'][0] = '\0';
529 }
530 } else {
531 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
532 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
533// log_msg(3, "flag_set['r'] = %i", flag_set['r'] );
534 if (flag_set['c']) {
535 bkpinfo->cdrw_speed = atoi(flag_val['c']);
536 } else if (flag_set['w']) {
537 bkpinfo->cdrw_speed = atoi(flag_val['w']);
538 } else if (flag_set['r']) {
539 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
540 }
541
542 if (bkpinfo->cdrw_speed < 1) {
543 fatal_error
544 ("You specified a silly speed for a CD-R[W] drive");
545 }
546 }
547 }
548 if (flag_set['t'] && !flag_set['d']) {
549 log_it("Hmm! No tape drive specified. Let's see what we can do.");
550 if (find_tape_device_and_size(flag_val['d'], tmp)) {
551 fatal_error
552 ("Tape device not specified. I couldn't find it either.");
553 }
554 flag_set['d'] = TRUE;
555 sprintf(tmp,
556 "You didn't specify a tape streamer device. I'm assuming %s",
557 flag_val['d']);
558 log_to_screen(tmp);
559 percent = 0;
560 }
561
562 if (flag_set['r']) // DVD
563 {
564 if (flag_set['m']) {
565 fatal_error
566 ("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
567 }
568 if (!flag_set['d']) {
569 if (!find_dvd_device(flag_val['d'], FALSE)) {
570 flag_set['d'] = TRUE;
571 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
572 }
573 }
574 if (!find_home_of_exe("growisofs")) {
575 fatal_error
576 ("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
577 }
578 if (!find_home_of_exe("dvd+rw-format")) {
579 fatal_error
580 ("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
581 }
582 if (strchr(flag_val['d'], ',')) {
583 fatal_error
584 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
585 }
586 if (!flag_set['s']) {
587 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
588 strcat(flag_val['s'], "m");
589 log_to_screen
590 ("You did not specify a size (-s) for DVD. I'm guessing %s.",
591 flag_val['s']);
592 flag_set['s'] = 1;
593 }
594/*
595 if (flag_set['Z']) {
596 bkpinfo->blank_dvd_first = TRUE;
597 }
598*/
599 }
600
601 if (flag_set['t'] || flag_set['u']) { /* tape size */
602 if (strchr(flag_val['d'], ',')) {
603 fatal_error
604 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
605 }
606 if (flag_set['O']) {
607 if (flag_set['s']) {
608 if (flag_set['t']) {
609 fatal_error
610 ("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
611 }
612 if (process_the_s_switch(bkpinfo, flag_val['s'])) {
613 fatal_error("Bad -s switch");
614 }
615 } else if (flag_set['u'] || flag_set['t']) {
616 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
617 bkpinfo->media_size[i] = 0;
618 }
619 } else {
620 retval++;
621 log_to_screen("Tape size not specified.\n");
622 }
623 }
624 } else { /* CD size */
625 if (flag_set['s']) {
626 if (process_the_s_switch(bkpinfo, flag_val['s'])) {
627 fatal_error("Bad -s switch");
628 }
629 }
630 if (flag_set['w']) {
631 bkpinfo->wipe_media_first = TRUE;
632 } /* CD-RW */
633 }
634 if (flag_set['n']) {
635 strncpy(bkpinfo->nfs_mount, flag_val['n'], MAX_STR_LEN);
636 if (!flag_set['d']) {
637 strncpy(bkpinfo->nfs_remote_dir, "/", MAX_STR_LEN);
638 }
639 sprintf(tmp, "mount | grep -x \"%s .*\" | cut -d' ' -f3",
640 bkpinfo->nfs_mount);
641 strncpy(bkpinfo->isodir,
642 call_program_and_get_last_line_of_output(tmp),
643 MAX_STR_LEN / 4);
644 if (strlen(bkpinfo->isodir) < 3) {
645 retval++;
646 log_to_screen("NFS share is not mounted. Please mount it.\n");
647 }
648 log_msg(3, "mount = %s", bkpinfo->nfs_mount);
649 log_msg(3, "isodir= %s", bkpinfo->isodir);
650 }
651 if (flag_set['c']) {
652 bkpinfo->backup_media_type = cdr;
653 }
654 if (flag_set['C']) {
655 bkpinfo->backup_media_type = cdstream;
656 }
657 if (flag_set['i']) {
658 bkpinfo->backup_media_type = iso;
659 }
660 if (flag_set['n']) {
661 bkpinfo->backup_media_type = nfs;
662 }
663 if (flag_set['r']) {
664 bkpinfo->backup_media_type = dvd;
665 }
666 if (flag_set['t']) {
667 bkpinfo->backup_media_type = tape;
668 }
669 if (flag_set['u']) {
670 bkpinfo->backup_media_type = udev;
671 }
672 if (flag_set['w']) {
673 bkpinfo->backup_media_type = cdrw;
674 }
675
676/* optional, popular */
677 if (flag_set['g']) {
678 g_text_mode = FALSE;
679 }
680 if (flag_set['E']) {
681 if (bkpinfo->exclude_paths[0]) {
682 strcat(bkpinfo->exclude_paths, " ");
683 }
684 asprintf(&tmp1, flag_val['E']);
685 p = tmp1;
686 q = tmp1;
687
688 /* Cut the flag_val['E'] in parts containing all paths to test them */
689 while (p != NULL) {
690 q = strchr(p, ' ');
691 if (q != NULL) {
692 *q = '\0';
693 if (stat(p, &buf) != 0) {
694 log_msg(1, "WARNING ! %s doesn't exist", p);
695 }
696 p = q+1 ;
697 } else {
698 if (stat(p, &buf) != 0) {
699 log_msg(1, "WARNING ! %s doesn't exist", p);
700 }
701 p = NULL;
702 }
703 }
704 paranoid_free(tmp1);
705
706 strncpy(bkpinfo->exclude_paths + strlen(bkpinfo->exclude_paths),
707 flag_val['E'],
708 4*MAX_STR_LEN - strlen(bkpinfo->exclude_paths));
709 }
710 if (flag_set['e']) {
711 bkpinfo->please_dont_eject = TRUE;
712 }
713 if (flag_set['N']) // exclude NFS mounts & devices
714 {
715// strncpy(psz, list_of_NFS_devices_and_mounts(), MAX_STR_LEN);
716 strncpy(psz, list_of_NFS_mounts_only(), MAX_STR_LEN);
717 if (bkpinfo->exclude_paths[0]) {
718 strncat(bkpinfo->exclude_paths, " ", MAX_STR_LEN);
719 }
720 strncat(bkpinfo->exclude_paths, psz, MAX_STR_LEN);
721 log_msg(3, "-N means we're now excluding %s",
722 bkpinfo->exclude_paths);
723 }
724 if (strlen(bkpinfo->exclude_paths) >= MAX_STR_LEN) {
725 fatal_error
726 ("Your '-E' parameter is too long. Please use '-J'. (See manual.)");
727 }
728 if (flag_set['b']) {
729 strcpy(psz, flag_val['b']);
730 log_msg(1, "psz = '%s'", psz);
731 if (psz[strlen(psz) - 1] == 'k') {
732 psz[strlen(psz) - 1] = '\0';
733 itbs = atol(psz) * 1024L;
734 } else {
735 itbs = atol(psz);
736 }
737 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
738 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
739 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
740 fatal_error
741 ("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
742 }
743 bkpinfo->internal_tape_block_size = itbs;
744 }
745 if (flag_set['D']) {
746 bkpinfo->differential = 1;
747// bkpinfo->differential = atoi (flag_val['D']);
748 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
749 fatal_error
750 ("The D option should be between 1 and 9 inclusive");
751 }
752 }
753 if (flag_set['x']) {
754 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
755 if (run_program_and_log_output("which ntfsclone", 2)) {
756 fatal_error("Please install ntfsprogs package/tarball.");
757 }
758 }
759 if (flag_set['m']) {
760 bkpinfo->manual_cd_tray = TRUE;
761 }
762 if (flag_set['k']) {
763 strncpy(bkpinfo->kernel_path, flag_val['k'], MAX_STR_LEN);
764 if (!strcmp(bkpinfo->kernel_path, "failsafe")) {
765 strcpy(bkpinfo->kernel_path, "FAILSAFE");
766 }
767 if (strcmp(bkpinfo->kernel_path, "FAILSAFE")
768 && !does_file_exist(bkpinfo->kernel_path)) {
769 retval++;
770 sprintf(tmp,
771 "You specified kernel '%s', which does not exist\n",
772 bkpinfo->kernel_path);
773 log_to_screen(tmp);
774 }
775 }
776 if (flag_set['p']) {
777 strncpy(bkpinfo->prefix, flag_val['p'], MAX_STR_LEN / 4);
778 }
779
780
781 if (flag_set['d']) { /* backup directory (if ISO/NFS) */
782 if (flag_set['i']) {
783 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
784 sprintf(tmp, "ls -l %s", bkpinfo->isodir);
785 if (run_program_and_log_output(tmp, FALSE)) {
786 fatal_error
787 ("output folder does not exist - please create it");
788 }
789 } else if (flag_set['n']) {
790 strncpy(bkpinfo->nfs_remote_dir, flag_val['d'], MAX_STR_LEN);
791 } else { /* backup device (if tape/CD-R/CD-RW) */
792
793 strncpy(bkpinfo->media_device, flag_val['d'], MAX_STR_LEN / 4);
794 }
795 }
796
797 if (flag_set['n']) {
798 sprintf(tmp, "echo hi > %s/%s/.dummy.txt", bkpinfo->isodir,
799 bkpinfo->nfs_remote_dir);
800 if (run_program_and_log_output(tmp, FALSE)) {
801 retval++;
802 sprintf(tmp,
803 "Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n",
804 bkpinfo->nfs_remote_dir, bkpinfo->nfs_mount);
805 log_to_screen(tmp);
806 }
807 }
808
809 if (!flag_set['d']
810 && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
811 if (g_kernel_version >= 2.6) {
812 if (popup_and_get_string
813 ("Device", "Please specify the device",
814 bkpinfo->media_device, MAX_STR_LEN / 4)) {
815 retval++;
816 log_to_screen("User opted to cancel.");
817 }
818 } else if (find_cdrw_device(bkpinfo->media_device)) {
819 retval++;
820 log_to_screen
821 ("Tried and failed to find CD-R[W] drive automatically.\n");
822 } else {
823 flag_set['d'] = TRUE;
824 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
825 }
826 }
827
828 if (!flag_set['d'] && !flag_set['n'] && !flag_set['C']) {
829 retval++;
830 log_to_screen("Please specify the backup device/directory.\n");
831 fatal_error
832 ("You didn't use -d to specify the backup device/directory.");
833 }
834/* optional, obscure */
835 for (i = '0'; i <= '9'; i++) {
836 if (flag_set[i]) {
837 bkpinfo->compression_level = i - '0';
838 } /* not '\0' but '0' */
839 }
840 if (flag_set['S']) {
841 sprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%ld", flag_val['S'],
842 random() % 32768);
843 }
844 if (flag_set['T']) {
845 sprintf(bkpinfo->tmpdir, "%s/tmp.mondo.%ld", flag_val['T'],
846 random() % 32768);
847 sprintf(tmp, "touch %s/.foo.dat", flag_val['T']);
848 if (run_program_and_log_output(tmp, 1)) {
849 retval++;
850 log_to_screen
851 ("Please specify a tempdir which I can write to. :)");
852 fatal_error("I cannot write to the tempdir you specified.");
853 }
854 sprintf(tmp, "ln -sf %s/.foo.dat %s/.bar.dat", flag_val['T'],
855 flag_val['T']);
856 if (run_program_and_log_output(tmp, 1)) {
857 retval++;
858 log_to_screen
859 ("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
860 fatal_error("I cannot write to the tempdir you specified.");
861 }
862 }
863 if (flag_set['A']) {
864 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
865 }
866 if (flag_set['B']) {
867 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
868 }
869 if (flag_set['F']) {
870 g_skip_floppies = TRUE;
871 }
872 if (flag_set['H']) {
873 g_cd_recovery = TRUE;
874 }
875 if (flag_set['l']) {
876#ifdef __FreeBSD__
877# define BOOT_LOADER_CHARS "GLBMR"
878#else
879# ifdef __IA64__
880# define BOOT_LOADER_CHARS "GER"
881# else
882# define BOOT_LOADER_CHARS "GLR"
883# endif
884#endif
885 if (!strchr
886 (BOOT_LOADER_CHARS,
887 (bkpinfo->boot_loader = flag_val['l'][0]))) {
888 log_msg(1, "%c? WTF is %c? I need G, L, E or R.",
889 bkpinfo->boot_loader, bkpinfo->boot_loader);
890 fatal_error
891 ("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
892 }
893#undef BOOT_LOADER_CHARS
894 }
895 if (flag_set['f']) {
896 strncpy(bkpinfo->boot_device,
897 resolve_softlinks_to_get_to_actual_device_file(flag_val
898 ['f']),
899 MAX_STR_LEN / 4);
900 }
901 if (flag_set['P']) {
902 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
903 }
904 if (flag_set['Q']) {
905 i = which_boot_loader(tmp);
906 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
907 printf("boot loader is %c, residing at %s\n", i, tmp);
908 finish(0);
909 }
910 if (flag_set['L']) {
911 bkpinfo->use_lzo = TRUE;
912 if (run_program_and_log_output("which lzop", FALSE)) {
913 retval++;
914 log_to_screen
915 ("Please install LZOP. You can't use '-L' until you do.\n");
916 }
917 }
918
919 if (!flag_set['o']
920 &&
921 !run_program_and_log_output
922 ("egrep -i suse /etc/issue.net | egrep '9.0' | grep 64", TRUE)) {
923 bkpinfo->make_cd_use_lilo = TRUE;
924 log_to_screen
925 ("Forcing you to use LILO. SuSE 9.0 (64-bit) has a broken mkfs.vfat binary.");
926 }
927 if (flag_set['o']) {
928 bkpinfo->make_cd_use_lilo = TRUE;
929 }
930#ifndef __FreeBSD__
931 else {
932 if (!is_this_a_valid_disk_format("vfat")) {
933 bkpinfo->make_cd_use_lilo = TRUE;
934 log_to_screen
935 ("Your kernel appears not to support vfat filesystems. I am therefore");
936 log_to_screen
937 ("using LILO instead of SYSLINUX as the CD/floppy's boot loader.");
938 }
939 if (run_program_and_log_output("which mkfs.vfat", FALSE)) {
940 bkpinfo->make_cd_use_lilo = TRUE;
941#ifdef __IA32__
942 log_to_screen
943 ("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
944 log_to_screen
945 ("your boot loader. I shall therefore use LILO instead.");
946#endif
947#ifdef __IA64__
948 log_to_screen
949 ("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
950 log_to_screen("environment correctly. Please install it.");
951 fatal_error("Aborting");
952#endif
953 }
954#ifdef __IA64__
955 /* We force ELILO usage on IA64 */
956 bkpinfo->make_cd_use_lilo = TRUE;
957#endif
958 }
959#endif
960
961 if (bkpinfo->make_cd_use_lilo && !does_file_exist("/boot/boot.b")) {
962 paranoid_system("touch /boot/boot.b");
963 }
964
965 i = flag_set['O'] + flag_set['V'];
966 if (i == 0) {
967 retval++;
968 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
969 }
970
971/* and finally... */
972
973 paranoid_free(tmp);
974 paranoid_free(psz);
975 return (retval);
976}
977
978
979
980/**
981 * Get the switches from @p argc and @p argv using getopt() and place them in
982 * @p flag_set and @p flag_val.
983 * @param argc The argument count (@p argc passed to main()).
984 * @param argv The argument vector (@p argv passed to main()).
985 * @param flag_val An array indexed by switch letter - if a switch is set and
986 * has an argument then set flag_val[switch] to that argument.
987 * @param flag_set An array indexed by switch letter - if a switch is set then
988 * set flag_set[switch] to TRUE, else set it to FALSE.
989 * @return The number of problems with the command line (0 for success).
990 */
991int
992retrieve_switches_from_command_line(int argc, char *argv[],
993 char flag_val[128][MAX_STR_LEN],
994 bool flag_set[128])
995{
996 /*@ ints ** */
997 int opt = 0;
998 char tmp[MAX_STR_LEN];
999 int i = 0;
1000 int len;
1001
1002 /*@ bools *** */
1003 bool bad_switches = FALSE;
1004
1005 assert(flag_val != NULL);
1006 assert(flag_set != NULL);
1007
1008 for (i = 0; i < 128; i++) {
1009 flag_val[i][0] = '\0';
1010 flag_set[i] = FALSE;
1011 }
1012 while ((opt =
1013 getopt(argc, argv,
1014 "0123456789A:B:C:DE:FHI:J:K:LNOP:QRS:T:VWb:c:d:ef:gik:l:mn:op:rs:tuw:x:"))
1015 != -1) {
1016 if (opt == '?') {
1017 bad_switches = TRUE;
1018 /*log_it("Invalid option: %c\n",optopt); */
1019 } else {
1020 if (flag_set[optopt]) {
1021 bad_switches = TRUE;
1022 sprintf(tmp, "Switch -%c previously defined as %s\n", opt,
1023 flag_val[i]);
1024 log_to_screen(tmp);
1025 } else {
1026 flag_set[opt] = TRUE;
1027 if (optarg) {
1028 len = strlen(optarg);
1029 if (optarg[0] != '/' && optarg[len - 1] == '/') {
1030 optarg[--len] = '\0';
1031 log_to_screen
1032 ("Warning - param '%s' should not have trailing slash!",
1033 optarg);
1034 }
1035 if (opt == 'd') {
1036 if (strchr(flag_val[opt], '/')
1037 && flag_val[opt][0] != '/') {
1038 sprintf(tmp,
1039 "-%c flag --- must be absolute path --- '%s' isn't absolute",
1040 opt, flag_val[opt]);
1041 log_to_screen(tmp);
1042 bad_switches = TRUE;
1043 }
1044 }
1045 strcpy(flag_val[opt], optarg);
1046 }
1047 }
1048 }
1049 }
1050 for (i = optind; i < argc; i++) {
1051 bad_switches = TRUE;
1052 sprintf(tmp, "Invalid arg -- %s\n", argv[i]);
1053 log_to_screen(tmp);
1054 }
1055 return (bad_switches);
1056}
1057
1058
1059
1060
1061/**
1062 * Print a not-so-helpful help message and exit.
1063 */
1064void help_screen()
1065{
1066 log_msg(1, "Type 'man mondo-archive' for more information\n");
1067 exit(1);
1068}
1069
1070
1071/**
1072 * Terminate Mondo in response to a signal.
1073 * @param sig The signal number received.
1074 */
1075void terminate_daemon(int sig)
1076{
1077 char tmp[64];
1078 char tmp2[MAX_STR_LEN];
1079 // char command[512];
1080 // pid_t pid;
1081
1082 switch (sig) {
1083 case SIGINT:
1084 sprintf(tmp, "SIGINT");
1085 strcpy(tmp2, "You interrupted me :-)");
1086 break;
1087 case SIGKILL:
1088 sprintf(tmp, "SIGKILL");
1089 strcpy(tmp2,
1090 "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1091 break;
1092 case SIGTERM:
1093 sprintf(tmp, "SIGTERM");
1094 strcpy(tmp2, "Got terminate signal");
1095 break;
1096 case SIGHUP:
1097 sprintf(tmp, "SIGHUP");
1098 strcpy(tmp2, "Hangup on line");
1099 break;
1100 case SIGSEGV:
1101 sprintf(tmp, "SIGSEGV");
1102 strcpy(tmp2,
1103 "Internal programming error. Please send a backtrace as well as your log.");
1104 break;
1105 case SIGPIPE:
1106 sprintf(tmp, "SIGPIPE");
1107 strcpy(tmp2, "Pipe was broken");
1108 break;
1109 case SIGABRT:
1110 sprintf(tmp, "SIGABRT");
1111 sprintf(tmp2,
1112 "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1113 break;
1114 default:
1115 sprintf(tmp, "(Unknown)");
1116 }
1117
1118 strcat(tmp, " signal received from OS");
1119 log_to_screen(tmp);
1120 log_to_screen(tmp2);
1121 if (sig == SIGABRT) {
1122 sleep(10);
1123 }
1124 kill_buffer();
1125 fatal_error
1126 ("Mondoarchive is terminating in response to a signal from the OS");
1127 finish(254); // just in case
1128}
1129
1130
1131
1132
1133/**
1134 * Turn signal-trapping on or off.
1135 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1136 */
1137void set_signals(int on)
1138{
1139 int signals[] =
1140 { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1141 int i;
1142
1143 signal(SIGPIPE, sigpipe_occurred);
1144 for (i = 0; signals[i]; i++) {
1145 if (on) {
1146 signal(signals[i], terminate_daemon);
1147 } else {
1148 signal(signals[i], termination_in_progress);
1149 }
1150 }
1151}
1152
1153
1154
1155
1156/**
1157 * Exit immediately without cleaning up.
1158 * @param sig The signal we are exiting due to.
1159 */
1160void termination_in_progress(int sig)
1161{
1162 log_msg(1, "Termination in progress");
1163 usleep(1000);
1164 pthread_exit(0);
1165}
1166
1167/* @} - end of cliGroup */
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