source: MondoRescue/branches/2.2.5/mondo/src/mondoarchive/main.c@ 1747

Last change on this file since 1747 was 1747, checked in by Bruno Cornec, 16 years ago
  • Solve problem on tmpfs in restore init (Problem of inexistant symlink and busybox)
  • Create MONDO_CACHE and use it everywhere + creation at start
  • Property svn:keywords set to Id
File size: 16.1 KB
Line 
1/***************************************************************************
2 main.c - description
3 -------------------
4 begin : Fri Apr 19 16:40:35 EDT 2002
5 copyright : (C) 2002 by Stan Benoit
6 email : troff@nakedsoul.org
7 cvsid : $Id: main.c 1747 2007-10-30 12:18:55Z bruno $
8 ***************************************************************************/
9
10/***************************************************************************
11 * *
12 * This program is free software; you can redistribute it and/or modify *
13 * it under the terms of the GNU General Public License as published by *
14 * the Free Software Foundation; either version 2 of the License, or *
15 * (at your option) any later version. *
16 * *
17 ***************************************************************************/
18
19/** change log ****** MONDO-DEVEL
20
21
2212/10
23- disable stopping/starting of autofs
24
2510/01
26- update g_erase_tmpdir_and_scratchdir to delete user-specified tmpdir, scratchdir
27
2806/19
29- added AUX_VER
30
3106/14/2004
32- use mondorescue.iso, not mindi.iso
33
3402/10/2004
35- tell users where BusyBox's sources are
36
3711/14/2003
38- cleaned up logging at end#
39
4010/23
41- don't try to test-read tape ... That's already
42 handled by post_param_configuration()
43
4410/19
45- if your PATH var is too long, abort
46
4709/23
48- added some comments
49- malloc/free global strings in new subroutines - malloc_libmondo_global_strings()
50 and free_libmondo_global_strings() - which are in libmondo-tools.c
51- better magicdev support
52
53
5409/16
55- delete /var/log/partimagehack-debug.log at start of main()
56
5709/15
58- added askbootloader
59
6009/09
61- if your tape is weird, I'll pause between backup and verify
62- fixed silly bug in main() - re: say_at_end
63
6401/01 - 08/31
65- call 'dmesg -n1' at start, to shut the kernel logger up
66- moved g_erase_tmpdir_and_scratchdir to common/newt-specific.c
67- added 'don't panic' msg to start of logfile
68- added 'nice(20)' to main()
69- added lots of assert()'s and log_OS_error()'s
70- clean-up (Hugo)
71- make post_param_configuration() setup g_erase_tmpdir_and_scratchdir
72- if --version then print & exit quickly
73- re-run g_erase_tmpdir_and_scratchdir via system() at very end
74
75Year: 2002
76- if user goes root with 'su' instead of 'su -' then
77 workaround it by setting PATH correctly
78- wipe mondoarchive.log at very beginning
79- cleaned up code
80- if changed.files.N exists then copy to changes.files for display
81- run_program_and_log_output() now takes boolean operator to specify
82 whether it will log its activities in the event of _success_
83- added popup list of changed files
84- removed 'beta-quality' warnings
85- if kernel not found and mondo in graphics mode then popup and ask
86 for kernel path+filename
87- fixed tmp[] 'too small' bug
88- unmount and eject CD at end of verify cycle
89- moved interactively_obtain...() to libmondo-stream.c
90- wrote stuff to autodetect tape+cdrw+etc.
91- renamed from main.c to mondo-archive.c
92- fore+after warnings that this code is beta-quality
93- abort if running from ramdisk
94- remount floppy at end & unmount at start if Mandrake
95- took out #debug stuff
96- add 2> /dev/null to 'find' command
97- add support for bkpinfo->nonbootable_backup
98- add main function begin comment and debug conditional
99 compilation - Stan Benoit
100- add debug statements to build a run tree. Stan Benoit
101**** end change log **********/
102
103
104/**
105 * @file
106 * The main file for mondoarchive.
107 */
108
109/************************* #include statements *************************/
110#include <pthread.h>
111//#include <config.h>
112//#include "../../config.h"
113#include <stdio.h>
114#include <stdlib.h>
115#include "../common/my-stuff.h"
116#include "../common/mondostructures.h"
117#include "../common/libmondo.h"
118#include "mondo-cli-EXT.h"
119#include "../common/libmondo-tools-EXT.h"
120#include "mondoarchive.h"
121
122// for CVS
123//static char cvsid[] = "$Id: main.c 1747 2007-10-30 12:18:55Z bruno $";
124
125/************************* external variables *************************/
126extern void set_signals(int);
127extern int g_current_media_number;
128extern void register_pid(pid_t, char *);
129extern int g_currentY;
130extern bool g_text_mode;
131extern char *g_boot_mountpt;
132extern bool g_remount_floppy_at_end;
133extern char *g_tmpfs_mountpt;
134extern char *g_cdrw_drive_is_here;
135static char *g_cdrom_drive_is_here = NULL;
136static char *g_dvd_drive_is_here = NULL;
137extern double g_kernel_version;
138
139/***************** global vars, used only by main.c ******************/
140bool g_skip_floppies;
141long diffs;
142
143extern t_bkptype g_backup_media_type;
144extern int g_loglevel;
145
146/* Reference to global bkpinfo */
147struct s_bkpinfo *bkpinfo;
148
149/****************** subroutines used only by main.c ******************/
150
151
152/**
153 * Print a "don't panic" message to the log and a message about the logfile to the screen.
154 */
155void welcome_to_mondoarchive(void)
156{
157 char *tmp = NULL;
158
159 log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
160 PACKAGE_VERSION);
161 log_msg(0, "running %s binaries", get_architecture());
162 tmp = get_uname_m();
163 log_msg(0, "running on %s architecture", tmp);
164 free(tmp);
165 log_msg(0,
166 "-----------------------------------------------------------");
167 log_msg(0,
168 "NB: Mondo logs almost everything, so don't panic if you see");
169 log_msg(0,
170 "some error messages. Please read them carefully before you");
171 log_msg(0,
172 "decide to break out in a cold sweat. Despite (or perhaps");
173 log_msg(0,
174 "because of) the wealth of messages. some users are inclined");
175 log_msg(0,
176 "to stop reading this log. If Mondo stopped for some reason,");
177 log_msg(0,
178 "chances are it's detailed here. More than likely there's a");
179 log_msg(0,
180 "message at the very end of this log that will tell you what");
181 log_msg(0,
182 "is wrong. Please read it! -Devteam");
183 log_msg(0,
184 "-----------------------------------------------------------");
185
186 log_msg(0, "Zero...");
187 log_msg(1, "One...");
188 log_msg(2, "Two...");
189 log_msg(3, "Three...");
190 log_msg(4, "Four...");
191 log_msg(5, "Five...");
192 log_msg(6, "Six...");
193 log_msg(7, "Seven...");
194 log_msg(8, "Eight...");
195 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
196}
197
198
199extern char *g_magicdev_command;
200
201/**
202 * Do whatever is necessary to insure a successful backup on the Linux distribution
203 * of the day.
204 */
205void distro_specific_kludges_at_start_of_mondoarchive(void)
206{
207 log_msg(2, "Unmounting old ramdisks if necessary");
208 stop_magicdev_if_necessary(); // for RH+Gnome users
209 run_program_and_log_output
210 ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
211 unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
212 // stop_autofs_if_necessary(); // for Xandros users
213 mount_boot_if_necessary(); // for Gentoo users with non-mounted /boot partitions
214 clean_up_KDE_desktop_if_necessary(); // delete various misc ~/.* files that get in the way
215}
216
217
218
219/**
220 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
221 */
222void distro_specific_kludges_at_end_of_mondoarchive(void)
223{
224// char tmp[500];
225 log_msg(2, "Restarting magicdev if necessary");
226 sync();
227 restart_magicdev_if_necessary(); // for RH+Gnome users
228
229 log_msg(2, "Restarting autofs if necessary");
230 sync();
231 // restart_autofs_if_necessary(); // for Xandros users
232
233 log_msg(2, "Restarting supermounts if necessary");
234 sync();
235 remount_supermounts_if_necessary(); // for Mandrake users
236
237 log_msg(2, "Unmounting /boot if necessary");
238 sync();
239 unmount_boot_if_necessary(); // for Gentoo users
240
241// log_msg( 2, "Cleaning up KDE desktop");
242// clean_up_KDE_desktop_if_necessary();
243}
244
245/* Return a string containing the date */
246char *mr_date(void) {
247
248 time_t tcurr;
249
250 tcurr = time(NULL);
251 return(ctime(&tcurr));
252}
253
254/*-----------------------------------------------------------*/
255
256
257
258/**
259 * Backup/verify the user's data.
260 * What did you think it did, anyway? :-)
261 */
262int main(int argc, char *argv[])
263{
264 char *tmp;
265 int res, retval;
266 char *say_at_end;
267
268/* Make sure I'm root; abort if not */
269 if (getuid() != 0) {
270 fprintf(stderr, "Please run as root.\r\n");
271 exit(127);
272 }
273
274/* If -V, -v or --version then echo version no. and quit */
275 if (argc == 2
276 && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
277 || !strcmp(argv[argc - 1], "--version"))) {
278 printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
279 exit(0);
280 }
281
282/* Initialize variables */
283
284 printf("Initializing...\n");
285 if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
286 fatal_error("Cannot malloc bkpinfo");
287 }
288 reset_bkpinfo();
289
290 res = 0;
291 retval = 0;
292 diffs = 0;
293 malloc_string(tmp);
294 malloc_string(say_at_end);
295 say_at_end[0] = '\0';
296 malloc_libmondo_global_strings();
297
298 /* initialize log file with time stamp */
299 unlink(MONDO_LOGFILE);
300 log_msg(0, "Time started: %s", mr_date());
301
302 /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
303 strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
304 tmp[MAX_STR_LEN - 1] = '\0';
305 if (strlen(tmp) >= MAX_STR_LEN - 33) {
306 fatal_error
307 ("Your PATH environmental variable is too long. Please shorten it.");
308 }
309 strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
310 setenv("PATH", tmp, 1);
311
312 /* Add the ARCH environment variable for ia64 purposes */
313 strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
314 tmp[MAX_STR_LEN - 1] = '\0';
315 setenv("ARCH", tmp, 1);
316
317 /* Add MONDO_SHARE environment variable for mindi */
318 setenv_mondo_share();
319
320 /* Configure the bkpinfo structure, global file paths, etc. */
321 g_main_pid = getpid();
322 log_msg(9, "This");
323
324 register_pid(g_main_pid, "mondo");
325 set_signals(TRUE); // catch SIGTERM, etc.
326 run_program_and_log_output("dmesg -n1", TRUE);
327
328 log_msg(9, "Next");
329 make_hole_for_dir(MONDO_CACHE);
330
331 welcome_to_mondoarchive();
332 distro_specific_kludges_at_start_of_mondoarchive();
333 g_kernel_version = get_kernel_version();
334
335 if (argc == 4 && !strcmp(argv[1], "getfattr")) {
336 g_loglevel = 10;
337 g_text_mode = TRUE;
338 setup_newt_stuff();
339 if (!strstr(argv[2], "filelist")) {
340 printf("Sorry - filelist goes first\n");
341 finish(1);
342 } else {
343 finish(get_fattr_list(argv[2], argv[3]));
344 }
345 finish(0);
346 }
347 if (argc == 4 && !strcmp(argv[1], "setfattr")) {
348 g_loglevel = 10;
349// chdir("/tmp");
350 g_text_mode = TRUE;
351 setup_newt_stuff();
352 finish(set_fattr_list(argv[2], argv[3]));
353 }
354
355 if (argc == 3 && !strcmp(argv[1], "wildcards")) {
356 g_loglevel = 10;
357 g_text_mode = TRUE;
358 setup_newt_stuff();
359 turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
360 printf("in=%s; out=%s\n", argv[2], tmp);
361 finish(1);
362 }
363
364 if (argc == 4 && !strcmp(argv[1], "getfacl")) {
365 g_loglevel = 10;
366 g_text_mode = TRUE;
367 setup_newt_stuff();
368 if (!strstr(argv[2], "filelist")) {
369 printf("Sorry - filelist goes first\n");
370 finish(1);
371 } else {
372 finish(get_acl_list(argv[2], argv[3]));
373 }
374 finish(0);
375 }
376 if (argc == 4 && !strcmp(argv[1], "setfacl")) {
377 g_loglevel = 10;
378// chdir("/tmp");
379 g_text_mode = TRUE;
380 setup_newt_stuff();
381 finish(set_acl_list(argv[2], argv[3]));
382 }
383
384 if (argc > 2 && !strcmp(argv[1], "find-cd")) {
385 g_loglevel = 10;
386 g_text_mode = TRUE;
387 setup_newt_stuff();
388 if (find_cdrw_device(tmp)) {
389 printf("Failed to find CDR-RW drive\n");
390 } else {
391 printf("CD-RW is at %s\n", tmp);
392 }
393 tmp[0] = '\0';
394 if (find_cdrom_device(tmp, atoi(argv[2]))) {
395 printf("Failed to find CD-ROM drive\n");
396 } else {
397 printf("CD-ROM is at %s\n", tmp);
398 }
399 finish(0);
400 }
401
402 if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
403 g_loglevel = 10;
404 g_text_mode = TRUE;
405 setup_newt_stuff();
406 if (find_dvd_device(tmp, atoi(argv[2]))) {
407 printf("Failed to find DVD drive\n");
408 } else {
409 printf("DVD is at %s\n", tmp);
410 }
411 finish(0);
412 }
413
414 if (argc > 2 && !strcmp(argv[1], "disksize")) {
415 printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
416 finish(0);
417 }
418 if (argc > 2 && !strcmp(argv[1], "test-dev")) {
419 if (is_dev_an_NTFS_dev(argv[2])) {
420 printf("%s is indeed an NTFS dev\n", argv[2]);
421 } else {
422 printf("%s is _not_ an NTFS dev\n", argv[2]);
423 }
424 finish(0);
425 }
426
427 if (pre_param_configuration()) {
428 fatal_error
429 ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
430 }
431
432/* Process command line, if there is one. If not, ask user for info. */
433 if (argc == 1) {
434 g_text_mode = FALSE;
435 setup_newt_stuff();
436 res = interactively_obtain_media_parameters_from_user(TRUE); /* yes, archiving */
437 if (res) {
438 fatal_error
439 ("Syntax error. Please review the parameters you have supplied and try again.");
440 }
441 } else {
442 res = handle_incoming_parameters(argc, argv);
443 if (res) {
444 printf
445 ("Errors were detected in the command line you supplied.\n");
446 printf("Please review the log file - %s\n", MONDO_LOGFILE );
447 log_msg(1, "Mondoarchive will now exit.");
448 finish(1);
449 }
450 setup_newt_stuff();
451 }
452
453/* Finish configuring global structures */
454 if (post_param_configuration()) {
455 fatal_error
456 ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
457 }
458
459 log_to_screen
460 ("BusyBox's sources are available from http://www.busybox.net");
461
462 /* If we're meant to backup then backup */
463 if (bkpinfo->backup_data) {
464 res = backup_data();
465 retval += res;
466 if (res) {
467 strcat(say_at_end,
468 "Data archived. Please check the logs, just as a precaution. ");
469 } else {
470 strcat(say_at_end, "Data archived OK. ");
471 }
472 }
473
474/* If we're meant to verify then verify */
475 if (bkpinfo->verify_data) {
476 res = verify_data();
477 if (res < 0) {
478 sprintf(tmp, "%d difference%c found.", -res,
479 (-res != 1) ? 's' : ' ');
480 strcat(say_at_end, tmp);
481 log_to_screen(tmp);
482 res = 0;
483 }
484 retval += res;
485 }
486
487/* Offer to write floppy disk images to physical disks */
488 if (bkpinfo->backup_data && !g_skip_floppies) {
489 res = offer_to_write_boot_floppies_to_physical_disks();
490 retval += res;
491// res = offer_to_write_boot_ISO_to_physical_CD();
492// retval += res;
493 }
494
495/* Report result of entire operation (success? errors?) */
496 if (!retval) {
497 mvaddstr_and_log_it(g_currentY++, 0,
498 "Backup and/or verify ran to completion. Everything appears to be fine.");
499 } else {
500 mvaddstr_and_log_it(g_currentY++, 0,
501 "Backup and/or verify ran to completion. However, errors did occur.");
502 }
503
504 if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
505 log_to_screen
506 (MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it.");
507 }
508
509 if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
510 if (g_text_mode) {
511 log_to_screen("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
512 } else {
513 log_msg(1, "Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
514 log_msg(2, "Calling popup_changelist_from_file()");
515 popup_changelist_from_file(MONDO_CACHE"/changed.files");
516 log_msg(2, "Returned from popup_changelist_from_file()");
517 }
518 } else {
519 unlink(MONDO_CACHE"/changed.files");
520 }
521 log_to_screen(say_at_end);
522 sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
523 run_program_and_log_output(tmp, TRUE);
524 if (bkpinfo->backup_media_type == usb) {
525 log_msg(1, "Unmounting USB device.");
526 sprintf(tmp, "umount %s1", bkpinfo->media_device);
527 run_program_and_log_output(tmp, TRUE);
528 }
529
530 run_program_and_log_output("mount", 2);
531
532 system("rm -f "MONDO_CACHE"/last-backup.aborted");
533 if (!retval) {
534 printf("Mondoarchive ran OK.\n");
535 } else {
536 printf("Errors occurred during backup. Please check logfile.\n");
537 }
538 distro_specific_kludges_at_end_of_mondoarchive();
539 register_pid(0, "mondo");
540 set_signals(FALSE);
541
542 free_libmondo_global_strings();
543 paranoid_free(say_at_end);
544
545
546 if (!g_cdrom_drive_is_here) {
547 log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
548 }
549 if (!g_dvd_drive_is_here) {
550 log_msg(10, "FYI, g_dvd_drive_is_here was never used");
551 }
552
553 /* finalize log file with time stamp */
554 log_msg(0, "Time finished: %s", mr_date());
555
556 chdir("/tmp");
557
558 if (!g_text_mode) {
559 popup_and_OK
560 ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
561 log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
562 } else {
563 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
564 }
565 finish(retval);
566
567 return EXIT_SUCCESS;
568}
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