source: MondoRescue/branches/stable/mondo/mondo/mondoarchive/main.c@ 806

Last change on this file since 806 was 806, checked in by Bruno Cornec, 18 years ago

Attempt to Fix #33

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File size: 16.3 KB
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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 806 2006-09-22 18:06:48Z 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
120// for CVS
121//static char cvsid[] = "$Id: main.c 806 2006-09-22 18:06:48Z bruno $";
122
123/************************* external variables *************************/
124extern void set_signals(int);
125extern int g_current_media_number;
126extern void register_pid(pid_t, char *);
127extern int g_currentY;
128extern bool g_text_mode;
129extern char *g_boot_mountpt;
130extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
131extern char *g_mondo_home;
132extern char *g_tmpfs_mountpt;
133extern char *g_erase_tmpdir_and_scratchdir;
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;
142char *ps_options = "auxww";
143
144extern t_bkptype g_backup_media_type;
145extern int g_loglevel;
146
147/****************** subroutines used only by main.c ******************/
148
149
150/**
151 * Print a "don't panic" message to the log and a message about the logfile to the screen.
152 */
153void welcome_to_mondoarchive()
154{
155 log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
156 PACKAGE_VERSION);
157 log_msg(0, "running on %s architecture", get_architecture());
158 log_msg(0,
159 "-----------------------------------------------------------");
160 log_msg(0,
161 "NB: Mondo logs almost everything, so don't panic if you see");
162 log_msg(0,
163 "some error messages. Please read them carefully before you");
164 log_msg(0,
165 "decide to break out in a cold sweat. Despite (or perhaps");
166 log_msg(0,
167 "because of) the wealth of messages. some users are inclined");
168 log_msg(0,
169 "to stop reading this log. If Mondo stopped for some reason,");
170 log_msg(0,
171 "chances are it's detailed here. More than likely there's a");
172 log_msg(0,
173 "message at the very end of this log that will tell you what");
174 log_msg(0,
175 "is wrong. Please read it! -Devteam");
176 log_msg(0,
177 "-----------------------------------------------------------");
178
179 log_msg(0, "Zero...");
180 log_msg(1, "One...");
181 log_msg(2, "Two...");
182 log_msg(3, "Three...");
183 log_msg(4, "Four...");
184 log_msg(5, "Five...");
185 log_msg(6, "Six...");
186 log_msg(7, "Seven...");
187 log_msg(8, "Eight...");
188 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
189}
190
191
192extern char *g_magicdev_command;
193
194/**
195 * Do whatever is necessary to insure a successful backup on the Linux distribution
196 * of the day.
197 */
198void distro_specific_kludges_at_start_of_mondoarchive()
199{
200 log_msg(2, "Unmounting old ramdisks if necessary");
201 stop_magicdev_if_necessary(); // for RH+Gnome users
202 run_program_and_log_output
203 ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
204 unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
205 // stop_autofs_if_necessary(); // for Xandros users
206 mount_boot_if_necessary(); // for Gentoo users with non-mounted /boot partitions
207 clean_up_KDE_desktop_if_necessary(); // delete various misc ~/.* files that get in the way
208}
209
210
211
212/**
213 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
214 */
215void distro_specific_kludges_at_end_of_mondoarchive()
216{
217// char tmp[500];
218 log_msg(2, "Restarting magicdev if necessary");
219 sync();
220 restart_magicdev_if_necessary(); // for RH+Gnome users
221
222 log_msg(2, "Restarting autofs if necessary");
223 sync();
224 // restart_autofs_if_necessary(); // for Xandros users
225
226 log_msg(2, "Restarting supermounts if necessary");
227 sync();
228 remount_supermounts_if_necessary(); // for Mandrake users
229
230 log_msg(2, "Unmounting /boot if necessary");
231 sync();
232 unmount_boot_if_necessary(); // for Gentoo users
233
234// log_msg( 2, "Cleaning up KDE desktop");
235// clean_up_KDE_desktop_if_necessary();
236}
237
238
239/*-----------------------------------------------------------*/
240
241
242
243/**
244 * Backup/verify the user's data.
245 * What did you think it did, anyway? :-)
246 */
247int main(int argc, char *argv[])
248{
249 struct s_bkpinfo *bkpinfo;
250 char *tmp;
251 int res, retval;
252 char *say_at_end;
253
254/* Make sure I'm root; abort if not */
255 if (getuid() != 0) {
256 fprintf(stderr, "Please run as root.\r\n");
257 exit(127);
258 }
259
260/* If -V, -v or --version then echo version no. and quit */
261 if (argc == 2
262 && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
263 || !strcmp(argv[argc - 1], "--version"))) {
264 printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
265 exit(0);
266 }
267
268/* Initialize variables */
269
270 malloc_libmondo_global_strings();
271 malloc_string(tmp);
272 malloc_string(say_at_end);
273
274 res = 0;
275 retval = 0;
276 diffs = 0;
277 say_at_end[0] = '\0';
278 printf("Initializing...\n");
279 if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
280 fatal_error("Cannot malloc bkpinfo");
281 }
282
283 log_msg(0, "Start date : %s", get_time());
284
285/* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
286 strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
287 tmp[MAX_STR_LEN - 1] = '\0';
288 if (strlen(tmp) >= MAX_STR_LEN - 33) {
289 fatal_error
290 ("Your PATH environmental variable is too long. Please shorten it.");
291 }
292 strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
293 setenv("PATH", tmp, 1);
294
295/* Add the ARCH environment variable for ia64 purposes */
296 strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
297 tmp[MAX_STR_LEN - 1] = '\0';
298 setenv("ARCH", tmp, 1);
299
300 /* Add MONDO_SHARE environment variable for mindi */
301 setenv_mondo_share();
302
303 unlink(MONDO_LOGFILE);
304
305/* Configure the bkpinfo structure, global file paths, etc. */
306 g_main_pid = getpid();
307 log_msg(9, "This");
308
309 register_pid(g_main_pid, "mondo");
310 set_signals(TRUE); // catch SIGTERM, etc.
311 run_program_and_log_output("dmesg -n1", TRUE);
312
313 log_msg(9, "Next");
314 welcome_to_mondoarchive();
315 distro_specific_kludges_at_start_of_mondoarchive();
316 sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
317 bkpinfo->scratchdir);
318 g_kernel_version = get_kernel_version();
319
320 if (argc == 4 && !strcmp(argv[1], "getfattr")) {
321 g_loglevel = 10;
322 g_text_mode = TRUE;
323 setup_newt_stuff();
324 if (!strstr(argv[2], "filelist")) {
325 printf("Sorry - filelist goes first\n");
326 finish(1);
327 } else {
328 finish(get_fattr_list(argv[2], argv[3]));
329 }
330 finish(0);
331 }
332 if (argc == 4 && !strcmp(argv[1], "setfattr")) {
333 g_loglevel = 10;
334// chdir("/tmp");
335 g_text_mode = TRUE;
336 setup_newt_stuff();
337 finish(set_fattr_list(argv[2], argv[3]));
338 }
339
340 if (argc == 3 && !strcmp(argv[1], "wildcards")) {
341 g_loglevel = 10;
342 g_text_mode = TRUE;
343 setup_newt_stuff();
344 turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
345 printf("in=%s; out=%s\n", argv[2], tmp);
346 finish(1);
347 }
348
349 if (argc == 4 && !strcmp(argv[1], "getfacl")) {
350 g_loglevel = 10;
351 g_text_mode = TRUE;
352 setup_newt_stuff();
353 if (!strstr(argv[2], "filelist")) {
354 printf("Sorry - filelist goes first\n");
355 finish(1);
356 } else {
357 finish(get_acl_list(argv[2], argv[3]));
358 }
359 finish(0);
360 }
361 if (argc == 4 && !strcmp(argv[1], "setfacl")) {
362 g_loglevel = 10;
363// chdir("/tmp");
364 g_text_mode = TRUE;
365 setup_newt_stuff();
366 finish(set_acl_list(argv[2], argv[3]));
367 }
368
369 if (argc > 2 && !strcmp(argv[1], "find-cd")) {
370 g_loglevel = 10;
371 g_text_mode = TRUE;
372 setup_newt_stuff();
373 if (find_cdrw_device(tmp)) {
374 printf("Failed to find CDR-RW drive\n");
375 } else {
376 printf("CD-RW is at %s\n", tmp);
377 }
378 tmp[0] = '\0';
379 if (find_cdrom_device(tmp, atoi(argv[2]))) {
380 printf("Failed to find CD-ROM drive\n");
381 } else {
382 printf("CD-ROM is at %s\n", tmp);
383 }
384 finish(0);
385 }
386
387 if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
388 g_loglevel = 10;
389 g_text_mode = TRUE;
390 setup_newt_stuff();
391 if (find_dvd_device(tmp, atoi(argv[2]))) {
392 printf("Failed to find DVD drive\n");
393 } else {
394 printf("DVD is at %s\n", tmp);
395 }
396 finish(0);
397 }
398
399 if (argc > 2 && !strcmp(argv[1], "disksize")) {
400 printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
401 finish(0);
402 }
403 if (argc > 2 && !strcmp(argv[1], "test-dev")) {
404 if (is_dev_an_NTFS_dev(argv[2])) {
405 printf("%s is indeed an NTFS dev\n", argv[2]);
406 } else {
407 printf("%s is _not_ an NTFS dev\n", argv[2]);
408 }
409 finish(0);
410 }
411
412 if (pre_param_configuration(bkpinfo)) {
413 fatal_error
414 ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
415 }
416
417/* Process command line, if there is one. If not, ask user for info. */
418 if (argc == 1) {
419 g_text_mode = FALSE;
420 setup_newt_stuff();
421 res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE); /* yes, archiving */
422 if (res) {
423 fatal_error
424 ("Syntax error. Please review the parameters you have supplied and try again.");
425 }
426 } else {
427 res = handle_incoming_parameters(argc, argv, bkpinfo);
428 if (res) {
429 printf
430 ("Errors were detected in the command line you supplied.\n");
431 printf("Please review the log file - " MONDO_LOGFILE "\n");
432 log_msg(1, "Mondoarchive will now exit.");
433 finish(1);
434 }
435 setup_newt_stuff();
436 }
437
438/* Finish configuring global structures */
439 if (post_param_configuration(bkpinfo)) {
440 fatal_error
441 ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
442 }
443
444 log_to_screen
445 ("BusyBox's sources are available from http://www.busybox.net");
446 sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
447 bkpinfo->scratchdir);
448
449 /* If we're meant to backup then backup */
450 if (bkpinfo->backup_data) {
451/*
452 log_to_screen("INFERNAL PORPOISES");
453 res = archive_this_fileset_with_star(bkpinfo, "/tmp/filelist.0", "/tmp/0.star.bz2", 0);
454 log_to_screen("atfws returned %d", res);
455 finish(0);
456*/
457 res = backup_data(bkpinfo);
458 retval += res;
459 if (res) {
460 strcat(say_at_end,
461 "Data archived. Please check the logs, just as a precaution. ");
462 } else {
463 strcat(say_at_end, "Data archived OK. ");
464 }
465 }
466
467/* If we're meant to verify then verify */
468 if (bkpinfo->verify_data) {
469 res = verify_data(bkpinfo);
470 if (res < 0) {
471 sprintf(tmp, "%d difference%c found.", -res,
472 (-res != 1) ? 's' : ' ');
473 strcat(say_at_end, tmp);
474 log_to_screen(tmp);
475 res = 0;
476 }
477 retval += res;
478 }
479
480/* Offer to write floppy disk images to physical disks */
481 if (bkpinfo->backup_data && !g_skip_floppies) {
482 res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
483 retval += res;
484// res = offer_to_write_boot_ISO_to_physical_CD(bkpinfo);
485// retval += res;
486 }
487
488/* Report result of entire operation (success? errors?) */
489 if (!retval) {
490 mvaddstr_and_log_it(g_currentY++, 0,
491 "Backup and/or verify ran to completion. Everything appears to be fine.");
492 } else {
493 mvaddstr_and_log_it(g_currentY++, 0,
494 "Backup and/or verify ran to completion. However, errors did occur.");
495 }
496
497 if (does_file_exist("/root/images/mindi/mondorescue.iso")) {
498 log_to_screen
499 ("/root/images/mindi/mondorescue.iso, a boot/utility CD, is available if you want it.");
500 }
501
502
503 if (length_of_file("/tmp/changed.files") > 2) {
504 if (g_text_mode) {
505 log_to_screen
506 ("Type 'less /tmp/changed.files' to see which files don't match the archives");
507 } else {
508 log_msg(1,
509 "Type 'less /tmp/changed.files' to see which files don't match the archives");
510 log_msg(2, "Calling popup_changelist_from_file()");
511 popup_changelist_from_file("/tmp/changed.files");
512 log_msg(2, "Returned from popup_changelist_from_file()");
513 }
514 } else {
515 unlink("/tmp/changed.files");
516 }
517 log_to_screen(say_at_end);
518 sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
519 run_program_and_log_output(tmp, TRUE);
520 run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
521
522 run_program_and_log_output("mount", 2);
523
524 system("rm -f /var/cache/mondo-archive/last-backup.aborted");
525 system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
526 if (!retval) {
527 printf("Mondoarchive ran OK.\n");
528 } else {
529 printf("Errors occurred during backup. Please check logfile.\n");
530 }
531 distro_specific_kludges_at_end_of_mondoarchive();
532 register_pid(0, "mondo");
533 set_signals(FALSE);
534 chdir("/tmp"); // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
535 system(g_erase_tmpdir_and_scratchdir);
536 free_libmondo_global_strings();
537 paranoid_free(say_at_end);
538 paranoid_free(tmp);
539 paranoid_free(bkpinfo);
540
541 unlink("/tmp/filelist.full");
542 unlink("/tmp/filelist.full.gz");
543
544 if (!g_cdrom_drive_is_here) {
545 log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
546 }
547 if (!g_dvd_drive_is_here) {
548 log_msg(10, "FYI, g_dvd_drive_is_here was never used");
549 }
550 log_msg(0, "End date : %s", get_time());
551
552 if (!g_text_mode) {
553 popup_and_OK
554 ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
555 log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
556 finish(retval);
557 } else {
558 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
559 exit(retval);
560 }
561
562 return EXIT_SUCCESS;
563}
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