source: MondoRescue/branches/2.06/mondo/mondo/mondoarchive/mondo-cli.c@ 289

Last change on this file since 289 was 289, checked in by bcornec, 18 years ago

Abort when one of the include dirs (-I) does not exist (bug reported by jeff@…)
A warning is also logged for the -E option
  • Property svn:keywords set to Id
File size: 30.5 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 289 2006-01-10 08:35:09Z 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 289 2006-01-10 08:35:09Z 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 *psz;
359
360 long itbs;
361
362 struct stat buf;
363
364 malloc_string(tmp);
365 malloc_string(psz);
366
367 assert(bkpinfo != NULL);
368 assert(flag_val != NULL);
369 assert(flag_set != NULL);
370
371 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
372
373/* compulsory */
374 i = flag_set['c'] + flag_set['i'] + flag_set['n'] +
375 flag_set['t'] + flag_set['u'] + flag_set['r'] +
376 flag_set['w'] + flag_set['C'];
377 if (i == 0) {
378 retval++;
379 log_to_screen("You must specify the media type\n");
380 }
381 if (i > 1) {
382 retval++;
383 log_to_screen("Please specify only one media type\n");
384 }
385 if (flag_set['K']) {
386 g_loglevel = atoi(flag_val['K']);
387 if (g_loglevel < 3) {
388 g_loglevel = 3;
389 }
390 }
391 if (flag_set['L'] && flag_set['0']) {
392 retval++;
393 log_to_screen("You cannot have 'no compression' _and_ LZOP.\n");
394 }
395 bkpinfo->backup_data = flag_set['O'];
396 bkpinfo->verify_data = flag_set['V'];
397 if (flag_set['I'] && !bkpinfo->backup_data) {
398 log_to_screen("-I switch is ignored if just verifying");
399 }
400 if (flag_set['E'] && !bkpinfo->backup_data) {
401 log_to_screen("-E switch is ignored if just verifying");
402 }
403
404 if (!find_home_of_exe("afio")) {
405 if (find_home_of_exe("star")) {
406 flag_set['R'] = TRUE;
407 log_msg(1, "Using star instead of afio");
408 } else {
409 fatal_error
410 ("Neither afio nor star is installed. Please install at least one.");
411 }
412 }
413
414 if (flag_set['R']) {
415 bkpinfo->use_star = TRUE;
416 if (flag_set['L']) {
417 fatal_error("You may not use star and lzop at the same time.");
418 }
419 if (!find_home_of_exe("star")) {
420 fatal_error
421 ("Please install 'star' RPM or tarball if you are going to use -R. Thanks.");
422 }
423 }
424 if (flag_set['W']) {
425 bkpinfo->nonbootable_backup = TRUE;
426 log_to_screen("Warning - you have opted for non-bootable backup");
427 if (flag_set['f'] || flag_set['l']) {
428 log_to_screen
429 ("You don't need to specify bootloader or bootdevice");
430 }
431 }
432 if (flag_set['t'] && flag_set['H']) {
433 fatal_error
434 ("Sorry, you may not nuke w/o warning from tape. Drop -H, please.");
435 }
436 if (flag_set['I']) {
437 if (!strcmp(bkpinfo->include_paths, "/")) {
438 log_msg(2, "'/' is pleonastic.");
439 bkpinfo->include_paths[0] = '\0';
440 }
441 if (bkpinfo->include_paths[0]) {
442 strcat(bkpinfo->include_paths, " ");
443 }
444 if (stat(flag_val['I'], &buf) != 0) {
445 log_msg("ERROR ! %s doesn't exist", flag_val['I']);
446 fatal_error("ERROR ! You specified a directory to include which doesn't exist");
447 }
448 strncpy(bkpinfo->include_paths + strlen(bkpinfo->include_paths),
449 flag_val['I'],
450 MAX_STR_LEN - strlen(bkpinfo->include_paths));
451 log_msg(1, "include_paths is now '%s'", bkpinfo->include_paths);
452 if (bkpinfo->include_paths[0] == '-') {
453 retval++;
454 log_to_screen("Please supply a sensible value with '-I'\n");
455 }
456 }
457
458 if (g_kernel_version >= 2.6 && !flag_set['d']
459 && (flag_set['c'] || flag_set['w'])) {
460 fatal_error
461 ("If you are using the 2.6.x kernel, please specify the CD-R(W) device.");
462 }
463
464
465 if (flag_set['J']) {
466 if (flag_set['I']) {
467 retval++;
468 log_to_screen
469 ("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. :-)");
470 }
471 bkpinfo->make_filelist = FALSE;
472 strcpy(bkpinfo->include_paths, flag_val['J']);
473 }
474 if (flag_set['c'] || flag_set['w'] || flag_set['C'] || flag_set['r']) {
475 if (!flag_set['r'] && g_kernel_version <= 2.5
476 && strstr(flag_val['d'], "/dev/")) {
477 fatal_error
478 ("Please don't give a /dev entry. Give a SCSI node for the parameter of the -d flag.");
479 }
480 if (flag_set['r'] && g_kernel_version <= 2.5
481 && !strstr(flag_val['d'], "/dev/")) {
482 fatal_error
483 ("Please give a /dev entry, not a SCSI node, as the parameter of the -d flag.");
484 }
485 if (g_kernel_version >= 2.6 && !strstr(flag_val['d'], "/dev/")) {
486 log_to_screen
487 ("Linus says 2.6 has a broken ide-scsi module. Proceed at your own risk...");
488 }
489
490 if (system("which cdrecord > /dev/null 2> /dev/null")
491 && system("which dvdrecord > /dev/null 2> /dev/null")) {
492 fatal_error
493 ("Please install dvdrecord/cdrecord and try again.");
494 }
495 if (flag_set['C']) {
496 bkpinfo->cdrw_speed = atoi(flag_val['C']);
497 if (bkpinfo->cdrw_speed < 1) {
498 fatal_error
499 ("You specified a silly speed for a CD-R[W] drive");
500 }
501 if (!flag_set['L']) {
502 log_to_screen
503 ("You must use -L with -C. Therefore I am setting it for you.");
504 flag_set['L'] = 1;
505 flag_val['L'][0] = '\0';
506 }
507 } else {
508 log_msg(3, "flag_val['c'] = %s", flag_val['c']);
509 log_msg(3, "flag_val['w'] = %s", flag_val['w']);
510// log_msg(3, "flag_set['r'] = %i", flag_set['r'] );
511 if (flag_set['c']) {
512 bkpinfo->cdrw_speed = atoi(flag_val['c']);
513 } else if (flag_set['w']) {
514 bkpinfo->cdrw_speed = atoi(flag_val['w']);
515 } else if (flag_set['r']) {
516 bkpinfo->cdrw_speed = 1; /*atoi(flag_val['r']); */
517 }
518
519 if (bkpinfo->cdrw_speed < 1) {
520 fatal_error
521 ("You specified a silly speed for a CD-R[W] drive");
522 }
523 }
524 }
525 if (flag_set['t'] && !flag_set['d']) {
526 log_it("Hmm! No tape drive specified. Let's see what we can do.");
527 if (find_tape_device_and_size(flag_val['d'], tmp)) {
528 fatal_error
529 ("Tape device not specified. I couldn't find it either.");
530 }
531 flag_set['d'] = TRUE;
532 sprintf(tmp,
533 "You didn't specify a tape streamer device. I'm assuming %s",
534 flag_val['d']);
535 log_to_screen(tmp);
536 percent = 0;
537 }
538
539 if (flag_set['r']) // DVD
540 {
541 if (flag_set['m']) {
542 fatal_error
543 ("Manual CD tray (-m) not yet supported in conjunction w/ DVD drives. Drop -m.");
544 }
545 if (!flag_set['d']) {
546 if (!find_dvd_device(flag_val['d'], FALSE)) {
547 flag_set['d'] = TRUE;
548 log_to_screen("I guess DVD drive is at %s", flag_val['d']);
549 }
550 }
551 if (!find_home_of_exe("growisofs")) {
552 fatal_error
553 ("Please install growisofs (probably part of dvd+rw-tools). If you want DVD support, you need it.");
554 }
555 if (!find_home_of_exe("dvd+rw-format")) {
556 fatal_error
557 ("Please install dvd+rw-format (probably part of dvd+rw-tools). If you want DVD support, you need it.");
558 }
559 if (strchr(flag_val['d'], ',')) {
560 fatal_error
561 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
562 }
563 if (!flag_set['s']) {
564 sprintf(flag_val['s'], "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
565 strcat(flag_val['s'], "m");
566 log_to_screen
567 ("You did not specify a size (-s) for DVD. I'm guessing %s.",
568 flag_val['s']);
569 flag_set['s'] = 1;
570 }
571/*
572 if (flag_set['Z']) {
573 bkpinfo->blank_dvd_first = TRUE;
574 }
575*/
576 }
577
578 if (flag_set['t'] || flag_set['u']) { /* tape size */
579 if (strchr(flag_val['d'], ',')) {
580 fatal_error
581 ("Please don't give a SCSI node. Give a _device_, preferably a /dev entry, for the parameter of the -d flag.");
582 }
583 if (flag_set['O']) {
584 if (flag_set['s']) {
585 if (flag_set['t']) {
586 fatal_error
587 ("For the moment, please don't specify a tape size. Mondo should handle end-of-tape gracefully anyway.");
588 }
589 if (process_the_s_switch(bkpinfo, flag_val['s'])) {
590 fatal_error("Bad -s switch");
591 }
592 } else if (flag_set['u'] || flag_set['t']) {
593 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
594 bkpinfo->media_size[i] = 0;
595 }
596 } else {
597 retval++;
598 log_to_screen("Tape size not specified.\n");
599 }
600 }
601 } else { /* CD size */
602 if (flag_set['s']) {
603 if (process_the_s_switch(bkpinfo, flag_val['s'])) {
604 fatal_error("Bad -s switch");
605 }
606 }
607 if (flag_set['w']) {
608 bkpinfo->wipe_media_first = TRUE;
609 } /* CD-RW */
610 }
611 if (flag_set['n']) {
612 strncpy(bkpinfo->nfs_mount, flag_val['n'], MAX_STR_LEN);
613 if (!flag_set['d']) {
614 strncpy(bkpinfo->nfs_remote_dir, "/", MAX_STR_LEN);
615 }
616 sprintf(tmp, "mount | grep -x \"%s .*\" | cut -d' ' -f3",
617 bkpinfo->nfs_mount);
618 strncpy(bkpinfo->isodir,
619 call_program_and_get_last_line_of_output(tmp),
620 MAX_STR_LEN / 4);
621 if (strlen(bkpinfo->isodir) < 3) {
622 retval++;
623 log_to_screen("NFS share is not mounted. Please mount it.\n");
624 }
625 log_msg(3, "mount = %s", bkpinfo->nfs_mount);
626 log_msg(3, "isodir= %s", bkpinfo->isodir);
627 }
628 if (flag_set['c']) {
629 bkpinfo->backup_media_type = cdr;
630 }
631 if (flag_set['C']) {
632 bkpinfo->backup_media_type = cdstream;
633 }
634 if (flag_set['i']) {
635 bkpinfo->backup_media_type = iso;
636 }
637 if (flag_set['n']) {
638 bkpinfo->backup_media_type = nfs;
639 }
640 if (flag_set['r']) {
641 bkpinfo->backup_media_type = dvd;
642 }
643 if (flag_set['t']) {
644 bkpinfo->backup_media_type = tape;
645 }
646 if (flag_set['u']) {
647 bkpinfo->backup_media_type = udev;
648 }
649 if (flag_set['w']) {
650 bkpinfo->backup_media_type = cdrw;
651 }
652
653/* optional, popular */
654 if (flag_set['g']) {
655 g_text_mode = FALSE;
656 }
657 if (flag_set['E']) {
658 if (bkpinfo->exclude_paths[0]) {
659 strcat(bkpinfo->exclude_paths, " ");
660 }
661 if (stat(flag_val['E'], &buf) != 0) {
662 log_msg(1, "WARNING ! %s doesn't exist", flag_val['E']);
663 }
664 strncpy(bkpinfo->exclude_paths + strlen(bkpinfo->exclude_paths),
665 flag_val['E'],
666 MAX_STR_LEN - strlen(bkpinfo->exclude_paths));
667 }
668 if (flag_set['e']) {
669 bkpinfo->please_dont_eject = TRUE;
670 }
671 if (flag_set['N']) // exclude NFS mounts & devices
672 {
673// strncpy(psz, list_of_NFS_devices_and_mounts(), MAX_STR_LEN);
674 strncpy(psz, list_of_NFS_mounts_only(), MAX_STR_LEN);
675 if (bkpinfo->exclude_paths[0]) {
676 strncat(bkpinfo->exclude_paths, " ", MAX_STR_LEN);
677 }
678 strncat(bkpinfo->exclude_paths, psz, MAX_STR_LEN);
679 log_msg(3, "-N means we're now excluding %s",
680 bkpinfo->exclude_paths);
681 }
682 if (strlen(bkpinfo->exclude_paths) >= MAX_STR_LEN) {
683 fatal_error
684 ("Your '-E' parameter is too long. Please use '-J'. (See manual.)");
685 }
686 if (flag_set['b']) {
687 strcpy(psz, flag_val['b']);
688 log_msg(1, "psz = '%s'", psz);
689 if (psz[strlen(psz) - 1] == 'k') {
690 psz[strlen(psz) - 1] = '\0';
691 itbs = atol(psz) * 1024L;
692 } else {
693 itbs = atol(psz);
694 }
695 log_msg(1, "'%s' --> %ld", flag_val['b'], itbs);
696 log_msg(1, "Internal tape block size is now %ld bytes", itbs);
697 if (itbs % 512 != 0 || itbs < 256 || itbs > 1024L * 1024) {
698 fatal_error
699 ("Are you nuts? Silly, your internal tape block size is. Abort, I shall.");
700 }
701 bkpinfo->internal_tape_block_size = itbs;
702 }
703 if (flag_set['D']) {
704 bkpinfo->differential = 1;
705// bkpinfo->differential = atoi (flag_val['D']);
706 if ((bkpinfo->differential < 1) || (bkpinfo->differential > 9)) {
707 fatal_error
708 ("The D option should be between 1 and 9 inclusive");
709 }
710 }
711 if (flag_set['x']) {
712 strncpy(bkpinfo->image_devs, flag_val['x'], MAX_STR_LEN / 4);
713 if (run_program_and_log_output("which partimagehack", 2)) {
714 fatal_error("Please install partimagehack RPM/tarball.");
715 }
716 }
717 if (flag_set['m']) {
718 bkpinfo->manual_cd_tray = TRUE;
719 }
720 if (flag_set['k']) {
721 strncpy(bkpinfo->kernel_path, flag_val['k'], MAX_STR_LEN);
722 if (!strcmp(bkpinfo->kernel_path, "failsafe")) {
723 strcpy(bkpinfo->kernel_path, "FAILSAFE");
724 }
725 if (strcmp(bkpinfo->kernel_path, "FAILSAFE")
726 && !does_file_exist(bkpinfo->kernel_path)) {
727 retval++;
728 sprintf(tmp,
729 "You specified kernel '%s', which does not exist\n",
730 bkpinfo->kernel_path);
731 log_to_screen(tmp);
732 }
733 }
734 if (flag_set['p']) {
735 strncpy(bkpinfo->prefix, flag_val['p'], MAX_STR_LEN / 4);
736 }
737
738
739 if (flag_set['d']) { /* backup directory (if ISO/NFS) */
740 if (flag_set['i']) {
741 strncpy(bkpinfo->isodir, flag_val['d'], MAX_STR_LEN / 4);
742 sprintf(tmp, "ls -l %s", bkpinfo->isodir);
743 if (run_program_and_log_output(tmp, FALSE)) {
744 fatal_error
745 ("output folder does not exist - please create it");
746 }
747 } else if (flag_set['n']) {
748 strncpy(bkpinfo->nfs_remote_dir, flag_val['d'], MAX_STR_LEN);
749 } else { /* backup device (if tape/CD-R/CD-RW) */
750
751 strncpy(bkpinfo->media_device, flag_val['d'], MAX_STR_LEN / 4);
752 }
753 }
754
755 if (flag_set['n']) {
756 sprintf(tmp, "echo hi > %s/%s/.dummy.txt", bkpinfo->isodir,
757 bkpinfo->nfs_remote_dir);
758 if (run_program_and_log_output(tmp, FALSE)) {
759 retval++;
760 sprintf(tmp,
761 "Are you sure directory '%s' exists in remote dir '%s'?\nIf so, do you have rights to write to it?\n",
762 bkpinfo->nfs_remote_dir, bkpinfo->nfs_mount);
763 log_to_screen(tmp);
764 }
765 }
766
767 if (!flag_set['d']
768 && (flag_set['c'] || flag_set['w'] || flag_set['C'])) {
769 if (g_kernel_version >= 2.6) {
770 if (popup_and_get_string
771 ("Device", "Please specify the device",
772 bkpinfo->media_device, MAX_STR_LEN / 4)) {
773 retval++;
774 log_to_screen("User opted to cancel.");
775 }
776 } else if (find_cdrw_device(bkpinfo->media_device)) {
777 retval++;
778 log_to_screen
779 ("Tried and failed to find CD-R[W] drive automatically.\n");
780 } else {
781 flag_set['d'] = TRUE;
782 strncpy(flag_val['d'], bkpinfo->media_device, MAX_STR_LEN / 4);
783 }
784 }
785
786 if (!flag_set['d'] && !flag_set['n'] && !flag_set['C']) {
787 retval++;
788 log_to_screen("Please specify the backup device/directory.\n");
789 fatal_error
790 ("You didn't use -d to specify the backup device/directory.");
791 }
792/* optional, obscure */
793 for (i = '0'; i <= '9'; i++) {
794 if (flag_set[i]) {
795 bkpinfo->compression_level = i - '0';
796 } /* not '\0' but '0' */
797 }
798 if (flag_set['S']) {
799 sprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%ld", flag_val['S'],
800 random() % 32768);
801 }
802 if (flag_set['T']) {
803 sprintf(bkpinfo->tmpdir, "%s/tmp.mondo.%ld", flag_val['T'],
804 random() % 32768);
805 sprintf(tmp, "touch %s/.foo.dat", flag_val['T']);
806 if (run_program_and_log_output(tmp, 1)) {
807 retval++;
808 log_to_screen
809 ("Please specify a tempdir which I can write to. :)");
810 fatal_error("I cannot write to the tempdir you specified.");
811 }
812 sprintf(tmp, "ln -sf %s/.foo.dat %s/.bar.dat", flag_val['T'],
813 flag_val['T']);
814 if (run_program_and_log_output(tmp, 1)) {
815 retval++;
816 log_to_screen
817 ("Please don't specify a SAMBA or VFAT or NFS tmpdir.");
818 fatal_error("I cannot write to the tempdir you specified.");
819 }
820 }
821 if (flag_set['A']) {
822 strncpy(bkpinfo->call_after_iso, flag_val['A'], MAX_STR_LEN);
823 }
824 if (flag_set['B']) {
825 strncpy(bkpinfo->call_before_iso, flag_val['B'], MAX_STR_LEN);
826 }
827 if (flag_set['F']) {
828 g_skip_floppies = TRUE;
829 }
830 if (flag_set['H']) {
831 g_cd_recovery = TRUE;
832 }
833 if (flag_set['l']) {
834#ifdef __FreeBSD__
835# define BOOT_LOADER_CHARS "GLBMR"
836#else
837# ifdef __IA64__
838# define BOOT_LOADER_CHARS "GER"
839# else
840# define BOOT_LOADER_CHARS "GLR"
841# endif
842#endif
843 if (!strchr
844 (BOOT_LOADER_CHARS,
845 (bkpinfo->boot_loader = flag_val['l'][0]))) {
846 log_msg(1, "%c? WTF is %c? I need G, L, E or R.",
847 bkpinfo->boot_loader, bkpinfo->boot_loader);
848 fatal_error
849 ("Please specify GRUB, LILO, ELILO or RAW with the -l switch");
850 }
851#undef BOOT_LOADER_CHARS
852 }
853 if (flag_set['f']) {
854 strncpy(bkpinfo->boot_device,
855 resolve_softlinks_to_get_to_actual_device_file(flag_val
856 ['f']),
857 MAX_STR_LEN / 4);
858 }
859 if (flag_set['P']) {
860 strncpy(bkpinfo->postnuke_tarball, flag_val['P'], MAX_STR_LEN);
861 }
862 if (flag_set['Q']) {
863 i = which_boot_loader(tmp);
864 log_msg(3, "boot loader is %c, residing at %s", i, tmp);
865 printf("boot loader is %c, residing at %s\n", i, tmp);
866 finish(0);
867 }
868 if (flag_set['L']) {
869 bkpinfo->use_lzo = TRUE;
870 if (run_program_and_log_output("which lzop", FALSE)) {
871 retval++;
872 log_to_screen
873 ("Please install LZOP. You can't use '-L' until you do.\n");
874 }
875 }
876
877 if (!flag_set['o']
878 &&
879 !run_program_and_log_output
880 ("grep -i suse /etc/issue.net | grep 64", TRUE)) {
881 bkpinfo->make_cd_use_lilo = TRUE;
882 log_to_screen
883 ("Forcing you to use LILO. SuSE 9.0 (64-bit) has a broken mkfs.vfat binary.");
884 }
885 if (flag_set['o']) {
886 bkpinfo->make_cd_use_lilo = TRUE;
887 }
888#ifndef __FreeBSD__
889 else {
890 if (!is_this_a_valid_disk_format("vfat")) {
891 bkpinfo->make_cd_use_lilo = TRUE;
892 log_to_screen
893 ("Your kernel appears not to support vfat filesystems. I am therefore");
894 log_to_screen
895 ("using LILO instead of SYSLINUX as the CD/floppy's boot loader.");
896 }
897 if (run_program_and_log_output("which mkfs.vfat", FALSE)) {
898 bkpinfo->make_cd_use_lilo = TRUE;
899#ifdef __IA32__
900 log_to_screen
901 ("Your filesystem is missing 'mkfs.vfat', so I cannot use SYSLINUX as");
902 log_to_screen
903 ("your boot loader. I shall therefore use LILO instead.");
904#endif
905#ifdef __IA64__
906 log_to_screen
907 ("Your filesystem is missing 'mkfs.vfat', so I cannot prepare the EFI");
908 log_to_screen("environment correctly. Please install it.");
909 fatal_error("Aborting");
910#endif
911 }
912#ifdef __IA64__
913 /* We force ELILO usage on IA64 */
914 bkpinfo->make_cd_use_lilo = TRUE;
915#endif
916 }
917#endif
918
919 if (bkpinfo->make_cd_use_lilo && !does_file_exist("/boot/boot.b")) {
920 paranoid_system("touch /boot/boot.b");
921 }
922
923 i = flag_set['O'] + flag_set['V'];
924 if (i == 0) {
925 retval++;
926 log_to_screen("Specify backup (-O), verify (-V) or both (-OV).\n");
927 }
928
929/* and finally... */
930
931 paranoid_free(tmp);
932 paranoid_free(psz);
933 return (retval);
934}
935
936
937
938/**
939 * Get the switches from @p argc and @p argv using getopt() and place them in
940 * @p flag_set and @p flag_val.
941 * @param argc The argument count (@p argc passed to main()).
942 * @param argv The argument vector (@p argv passed to main()).
943 * @param flag_val An array indexed by switch letter - if a switch is set and
944 * has an argument then set flag_val[switch] to that argument.
945 * @param flag_set An array indexed by switch letter - if a switch is set then
946 * set flag_set[switch] to TRUE, else set it to FALSE.
947 * @return The number of problems with the command line (0 for success).
948 */
949int
950retrieve_switches_from_command_line(int argc, char *argv[],
951 char flag_val[128][MAX_STR_LEN],
952 bool flag_set[128])
953{
954 /*@ ints ** */
955 int opt = 0;
956 char tmp[MAX_STR_LEN];
957 int i = 0;
958 int len;
959
960 /*@ bools *** */
961 bool bad_switches = FALSE;
962
963 assert(flag_val != NULL);
964 assert(flag_set != NULL);
965
966 for (i = 0; i < 128; i++) {
967 flag_val[i][0] = '\0';
968 flag_set[i] = FALSE;
969 }
970 while ((opt =
971 getopt(argc, argv,
972 "0123456789A:B:C:DE:FHI:J:K:LNOP:QRS:T:VWb:c:d:ef:gik:l:mn:op:rs:tuw:x:"))
973 != -1) {
974 if (opt == '?') {
975 bad_switches = TRUE;
976 /*log_it("Invalid option: %c\n",optopt); */
977 } else {
978 if (flag_set[optopt]) {
979 bad_switches = TRUE;
980 sprintf(tmp, "Switch -%c previously defined as %s\n", opt,
981 flag_val[i]);
982 log_to_screen(tmp);
983 } else {
984 flag_set[opt] = TRUE;
985 if (optarg) {
986 len = strlen(optarg);
987 if (optarg[0] != '/' && optarg[len - 1] == '/') {
988 optarg[--len] = '\0';
989 log_to_screen
990 ("Warning - param '%s' should not have trailing slash!",
991 optarg);
992 }
993 if (opt == 'd') {
994 if (strchr(flag_val[opt], '/')
995 && flag_val[opt][0] != '/') {
996 sprintf(tmp,
997 "-%c flag --- must be absolute path --- '%s' isn't absolute",
998 opt, flag_val[opt]);
999 log_to_screen(tmp);
1000 bad_switches = TRUE;
1001 }
1002 }
1003 strcpy(flag_val[opt], optarg);
1004 }
1005 }
1006 }
1007 }
1008 for (i = optind; i < argc; i++) {
1009 bad_switches = TRUE;
1010 sprintf(tmp, "Invalid arg -- %s\n", argv[i]);
1011 log_to_screen(tmp);
1012 }
1013 return (bad_switches);
1014}
1015
1016
1017
1018
1019/**
1020 * Print a not-so-helpful help message and exit.
1021 */
1022void help_screen()
1023{
1024 log_msg(1, "Type 'man mondo-archive' for more information\n");
1025 exit(1);
1026}
1027
1028
1029/**
1030 * Terminate Mondo in response to a signal.
1031 * @param sig The signal number received.
1032 */
1033void terminate_daemon(int sig)
1034{
1035 char tmp[64];
1036 char tmp2[MAX_STR_LEN];
1037 // char command[512];
1038 // pid_t pid;
1039
1040 switch (sig) {
1041 case SIGINT:
1042 sprintf(tmp, "SIGINT");
1043 strcpy(tmp2, "You interrupted me :-)");
1044 break;
1045 case SIGKILL:
1046 sprintf(tmp, "SIGKILL");
1047 strcpy(tmp2,
1048 "I seriously have no clue how this signal even got to me. Something's wrong with your system.");
1049 break;
1050 case SIGTERM:
1051 sprintf(tmp, "SIGTERM");
1052 strcpy(tmp2, "Got terminate signal");
1053 break;
1054 case SIGHUP:
1055 sprintf(tmp, "SIGHUP");
1056 strcpy(tmp2, "Hangup on line");
1057 break;
1058 case SIGSEGV:
1059 sprintf(tmp, "SIGSEGV");
1060 strcpy(tmp2,
1061 "Internal programming error. Please send a backtrace as well as your log.");
1062 break;
1063 case SIGPIPE:
1064 sprintf(tmp, "SIGPIPE");
1065 strcpy(tmp2, "Pipe was broken");
1066 break;
1067 case SIGABRT:
1068 sprintf(tmp, "SIGABRT");
1069 sprintf(tmp2,
1070 "Abort - probably failed assertion. I'm sleeping for a few seconds so you can read the message.");
1071 break;
1072 default:
1073 sprintf(tmp, "(Unknown)");
1074 }
1075
1076 strcat(tmp, " signal received from OS");
1077 log_to_screen(tmp);
1078 log_to_screen(tmp2);
1079 if (sig == SIGABRT) {
1080 sleep(10);
1081 }
1082 kill_buffer();
1083 fatal_error
1084 ("Mondoarchive is terminating in response to a signal from the OS");
1085 finish(254); // just in case
1086}
1087
1088
1089
1090
1091/**
1092 * Turn signal-trapping on or off.
1093 * @param on If TRUE, turn it on; if FALSE, turn it off (we still trap it, just don't do as much).
1094 */
1095void set_signals(int on)
1096{
1097 int signals[] =
1098 { SIGTERM, SIGHUP, SIGTRAP, SIGABRT, SIGINT, SIGKILL, SIGSTOP, 0 };
1099 int i;
1100
1101 signal(SIGPIPE, sigpipe_occurred);
1102 for (i = 0; signals[i]; i++) {
1103 if (on) {
1104 signal(signals[i], terminate_daemon);
1105 } else {
1106 signal(signals[i], termination_in_progress);
1107 }
1108 }
1109}
1110
1111
1112
1113
1114/**
1115 * Exit immediately without cleaning up.
1116 * @param sig The signal we are exiting due to.
1117 */
1118void termination_in_progress(int sig)
1119{
1120 log_msg(1, "Termination in progress");
1121 usleep(1000);
1122 pthread_exit(0);
1123}
1124
1125/* @} - end of cliGroup */
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