source: MondoRescue/branches/2.2.5/mondo/src/mondoarchive/main.c@ 1703

Last change on this file since 1703 was 1703, checked in by Bruno Cornec, 16 years ago
  • Add USB Key button to Menu UI (CD streamer removed)
  • Attempt to fix error messages on tmp/scratch files at the end by removing those dir at the latest possible.
  • Property svn:keywords set to Id
File size: 16.3 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 1703 2007-10-23 23:59:37Z 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 1703 2007-10-23 23:59:37Z 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_cdrom_at_end, g_remount_floppy_at_end;
133extern char *g_mondo_home;
134extern char *g_tmpfs_mountpt;
135extern char *g_erase_tmpdir_and_scratchdir;
136extern char *g_cdrw_drive_is_here;
137static char *g_cdrom_drive_is_here = NULL;
138static char *g_dvd_drive_is_here = NULL;
139extern double g_kernel_version;
140
141/***************** global vars, used only by main.c ******************/
142bool g_skip_floppies;
143long diffs;
144
145extern t_bkptype g_backup_media_type;
146extern int g_loglevel;
147
148/* Reference to global bkpinfo */
149struct s_bkpinfo *bkpinfo;
150
151/****************** subroutines used only by main.c ******************/
152
153
154/**
155 * Print a "don't panic" message to the log and a message about the logfile to the screen.
156 */
157void welcome_to_mondoarchive(void)
158{
159 char *tmp = NULL;
160
161 log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
162 PACKAGE_VERSION);
163 log_msg(0, "running %s binaries", get_architecture());
164 tmp = get_uname_m();
165 log_msg(0, "running on %s architecture", tmp);
166 free(tmp);
167 log_msg(0,
168 "-----------------------------------------------------------");
169 log_msg(0,
170 "NB: Mondo logs almost everything, so don't panic if you see");
171 log_msg(0,
172 "some error messages. Please read them carefully before you");
173 log_msg(0,
174 "decide to break out in a cold sweat. Despite (or perhaps");
175 log_msg(0,
176 "because of) the wealth of messages. some users are inclined");
177 log_msg(0,
178 "to stop reading this log. If Mondo stopped for some reason,");
179 log_msg(0,
180 "chances are it's detailed here. More than likely there's a");
181 log_msg(0,
182 "message at the very end of this log that will tell you what");
183 log_msg(0,
184 "is wrong. Please read it! -Devteam");
185 log_msg(0,
186 "-----------------------------------------------------------");
187
188 log_msg(0, "Zero...");
189 log_msg(1, "One...");
190 log_msg(2, "Two...");
191 log_msg(3, "Three...");
192 log_msg(4, "Four...");
193 log_msg(5, "Five...");
194 log_msg(6, "Six...");
195 log_msg(7, "Seven...");
196 log_msg(8, "Eight...");
197 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
198}
199
200
201extern char *g_magicdev_command;
202
203/**
204 * Do whatever is necessary to insure a successful backup on the Linux distribution
205 * of the day.
206 */
207void distro_specific_kludges_at_start_of_mondoarchive(void)
208{
209 log_msg(2, "Unmounting old ramdisks if necessary");
210 stop_magicdev_if_necessary(); // for RH+Gnome users
211 run_program_and_log_output
212 ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
213 unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
214 // stop_autofs_if_necessary(); // for Xandros users
215 mount_boot_if_necessary(); // for Gentoo users with non-mounted /boot partitions
216 clean_up_KDE_desktop_if_necessary(); // delete various misc ~/.* files that get in the way
217}
218
219
220
221/**
222 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
223 */
224void distro_specific_kludges_at_end_of_mondoarchive(void)
225{
226// char tmp[500];
227 log_msg(2, "Restarting magicdev if necessary");
228 sync();
229 restart_magicdev_if_necessary(); // for RH+Gnome users
230
231 log_msg(2, "Restarting autofs if necessary");
232 sync();
233 // restart_autofs_if_necessary(); // for Xandros users
234
235 log_msg(2, "Restarting supermounts if necessary");
236 sync();
237 remount_supermounts_if_necessary(); // for Mandrake users
238
239 log_msg(2, "Unmounting /boot if necessary");
240 sync();
241 unmount_boot_if_necessary(); // for Gentoo users
242
243// log_msg( 2, "Cleaning up KDE desktop");
244// clean_up_KDE_desktop_if_necessary();
245}
246
247/* Return a string containing the date */
248char *mr_date(void) {
249
250 time_t tcurr;
251
252 tcurr = time(NULL);
253 return(ctime(&tcurr));
254}
255
256/*-----------------------------------------------------------*/
257
258
259
260/**
261 * Backup/verify the user's data.
262 * What did you think it did, anyway? :-)
263 */
264int main(int argc, char *argv[])
265{
266 char *tmp;
267 int res, retval;
268 char *say_at_end;
269
270/* Make sure I'm root; abort if not */
271 if (getuid() != 0) {
272 fprintf(stderr, "Please run as root.\r\n");
273 exit(127);
274 }
275
276/* If -V, -v or --version then echo version no. and quit */
277 if (argc == 2
278 && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
279 || !strcmp(argv[argc - 1], "--version"))) {
280 printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
281 exit(0);
282 }
283
284/* Initialize variables */
285
286 printf("Initializing...\n");
287 if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
288 fatal_error("Cannot malloc bkpinfo");
289 }
290 reset_bkpinfo();
291
292 res = 0;
293 retval = 0;
294 diffs = 0;
295 malloc_string(tmp);
296 malloc_string(say_at_end);
297 say_at_end[0] = '\0';
298 malloc_libmondo_global_strings();
299
300 /* initialize log file with time stamp */
301 unlink(MONDO_LOGFILE);
302 log_msg(0, "Time started: %s", mr_date());
303
304 /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
305 strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
306 tmp[MAX_STR_LEN - 1] = '\0';
307 if (strlen(tmp) >= MAX_STR_LEN - 33) {
308 fatal_error
309 ("Your PATH environmental variable is too long. Please shorten it.");
310 }
311 strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
312 setenv("PATH", tmp, 1);
313
314 /* Add the ARCH environment variable for ia64 purposes */
315 strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
316 tmp[MAX_STR_LEN - 1] = '\0';
317 setenv("ARCH", tmp, 1);
318
319 /* Add MONDO_SHARE environment variable for mindi */
320 setenv_mondo_share();
321
322 /* Configure the bkpinfo structure, global file paths, etc. */
323 g_main_pid = getpid();
324 log_msg(9, "This");
325
326 register_pid(g_main_pid, "mondo");
327 set_signals(TRUE); // catch SIGTERM, etc.
328 run_program_and_log_output("dmesg -n1", TRUE);
329
330 log_msg(9, "Next");
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 sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
462 bkpinfo->scratchdir);
463
464 /* If we're meant to backup then backup */
465 if (bkpinfo->backup_data) {
466 res = backup_data();
467 retval += res;
468 if (res) {
469 strcat(say_at_end,
470 "Data archived. Please check the logs, just as a precaution. ");
471 } else {
472 strcat(say_at_end, "Data archived OK. ");
473 }
474 }
475
476/* If we're meant to verify then verify */
477 if (bkpinfo->verify_data) {
478 res = verify_data();
479 if (res < 0) {
480 sprintf(tmp, "%d difference%c found.", -res,
481 (-res != 1) ? 's' : ' ');
482 strcat(say_at_end, tmp);
483 log_to_screen(tmp);
484 res = 0;
485 }
486 retval += res;
487 }
488
489/* Offer to write floppy disk images to physical disks */
490 if (bkpinfo->backup_data && !g_skip_floppies) {
491 res = offer_to_write_boot_floppies_to_physical_disks();
492 retval += res;
493// res = offer_to_write_boot_ISO_to_physical_CD();
494// retval += res;
495 }
496
497/* Report result of entire operation (success? errors?) */
498 if (!retval) {
499 mvaddstr_and_log_it(g_currentY++, 0,
500 "Backup and/or verify ran to completion. Everything appears to be fine.");
501 } else {
502 mvaddstr_and_log_it(g_currentY++, 0,
503 "Backup and/or verify ran to completion. However, errors did occur.");
504 }
505
506 if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
507 log_to_screen
508 (MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it.");
509 }
510
511 if (length_of_file(MINDI_CACHE"/changed.files") > 2) {
512 if (g_text_mode) {
513 log_to_screen("Type 'less "MINDI_CACHE"/changed.files' to see which files don't match the archives");
514 } else {
515 log_msg(1, "Type 'less "MINDI_CACHE"/changed.files' to see which files don't match the archives");
516 log_msg(2, "Calling popup_changelist_from_file()");
517 popup_changelist_from_file(MINDI_CACHE"/changed.files");
518 log_msg(2, "Returned from popup_changelist_from_file()");
519 }
520 } else {
521 unlink(MINDI_CACHE"/changed.files");
522 }
523 log_to_screen(say_at_end);
524 sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
525 run_program_and_log_output(tmp, TRUE);
526 if (bkpinfo->backup_media_type == usb) {
527 log_msg(1, "Unmounting USB device.");
528 sprintf(tmp, "umount %s1", bkpinfo->media_device);
529 run_program_and_log_output(tmp, TRUE);
530 }
531
532 run_program_and_log_output("mount", 2);
533
534 system("rm -f /var/cache/mondo-archive/last-backup.aborted");
535 if (!retval) {
536 printf("Mondoarchive ran OK.\n");
537 } else {
538 printf("Errors occurred during backup. Please check logfile.\n");
539 }
540 distro_specific_kludges_at_end_of_mondoarchive();
541 register_pid(0, "mondo");
542 set_signals(FALSE);
543
544 free_libmondo_global_strings();
545 paranoid_free(say_at_end);
546
547
548 if (!g_cdrom_drive_is_here) {
549 log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
550 }
551 if (!g_dvd_drive_is_here) {
552 log_msg(10, "FYI, g_dvd_drive_is_here was never used");
553 }
554
555 /* finalize log file with time stamp */
556 log_msg(0, "Time finished: %s", mr_date());
557
558 chdir("/tmp"); // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
559
560 if (!g_text_mode) {
561 popup_and_OK
562 ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
563 log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
564 } else {
565 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
566 }
567 finish(retval);
568
569 return EXIT_SUCCESS;
570}
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