source: MondoRescue/branches/2.2.2/mondo/src/mondoarchive/main.c@ 1316

Last change on this file since 1316 was 1316, checked in by Bruno Cornec, 17 years ago

MONDO_LOGFILE is rather a char* exported by each main program (consolidation of those mecanisms in .h files with ps_*)
  • 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 1316 2007-04-16 14:50:28Z 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 "mondoarchive.h"
120
121// for CVS
122//static char cvsid[] = "$Id: main.c 1316 2007-04-16 14:50:28Z bruno $";
123
124/************************* external variables *************************/
125extern void set_signals(int);
126extern int g_current_media_number;
127extern void register_pid(pid_t, char *);
128extern int g_currentY;
129extern bool g_text_mode;
130extern char *g_boot_mountpt;
131extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
132extern char *g_mondo_home;
133extern char *g_tmpfs_mountpt;
134extern char *g_erase_tmpdir_and_scratchdir;
135extern char *g_cdrw_drive_is_here;
136static char *g_cdrom_drive_is_here = NULL;
137static char *g_dvd_drive_is_here = NULL;
138extern double g_kernel_version;
139
140/***************** global vars, used only by main.c ******************/
141bool g_skip_floppies;
142long diffs;
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(void)
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(void)
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(void)
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/* Return a string containing the date */
239char *mr_date(void) {
240
241 time_t tcurr;
242
243 tcurr = time(NULL);
244 return(ctime(&tcurr));
245}
246
247/*-----------------------------------------------------------*/
248
249
250
251/**
252 * Backup/verify the user's data.
253 * What did you think it did, anyway? :-)
254 */
255int main(int argc, char *argv[])
256{
257 struct s_bkpinfo *bkpinfo;
258 char *tmp;
259 int res, retval;
260 char *say_at_end;
261
262/* Make sure I'm root; abort if not */
263 if (getuid() != 0) {
264 fprintf(stderr, "Please run as root.\r\n");
265 exit(127);
266 }
267
268/* If -V, -v or --version then echo version no. and quit */
269 if (argc == 2
270 && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
271 || !strcmp(argv[argc - 1], "--version"))) {
272 printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
273 exit(0);
274 }
275
276/* Initialize variables */
277
278 malloc_libmondo_global_strings();
279 malloc_string(tmp);
280 malloc_string(say_at_end);
281
282 res = 0;
283 retval = 0;
284 diffs = 0;
285 say_at_end[0] = '\0';
286 printf("Initializing...\n");
287 if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
288 fatal_error("Cannot malloc bkpinfo");
289 }
290
291 /* initialize log file with time stamp */
292 unlink(MONDO_LOGFILE);
293 log_msg(0, "Time started: %s", mr_date());
294
295 /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
296 strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
297 tmp[MAX_STR_LEN - 1] = '\0';
298 if (strlen(tmp) >= MAX_STR_LEN - 33) {
299 fatal_error
300 ("Your PATH environmental variable is too long. Please shorten it.");
301 }
302 strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
303 setenv("PATH", tmp, 1);
304
305 /* Add the ARCH environment variable for ia64 purposes */
306 strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
307 tmp[MAX_STR_LEN - 1] = '\0';
308 setenv("ARCH", tmp, 1);
309
310 /* Add MONDO_SHARE environment variable for mindi */
311 setenv_mondo_share();
312
313 /* Configure the bkpinfo structure, global file paths, etc. */
314 g_main_pid = getpid();
315 log_msg(9, "This");
316
317 register_pid(g_main_pid, "mondo");
318 set_signals(TRUE); // catch SIGTERM, etc.
319 run_program_and_log_output("dmesg -n1", TRUE);
320
321 log_msg(9, "Next");
322 welcome_to_mondoarchive();
323 distro_specific_kludges_at_start_of_mondoarchive();
324 g_kernel_version = get_kernel_version();
325
326 if (argc == 4 && !strcmp(argv[1], "getfattr")) {
327 g_loglevel = 10;
328 g_text_mode = TRUE;
329 setup_newt_stuff();
330 if (!strstr(argv[2], "filelist")) {
331 printf("Sorry - filelist goes first\n");
332 finish(1);
333 } else {
334 finish(get_fattr_list(argv[2], argv[3]));
335 }
336 finish(0);
337 }
338 if (argc == 4 && !strcmp(argv[1], "setfattr")) {
339 g_loglevel = 10;
340// chdir("/tmp");
341 g_text_mode = TRUE;
342 setup_newt_stuff();
343 finish(set_fattr_list(argv[2], argv[3]));
344 }
345
346 if (argc == 3 && !strcmp(argv[1], "wildcards")) {
347 g_loglevel = 10;
348 g_text_mode = TRUE;
349 setup_newt_stuff();
350 turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
351 printf("in=%s; out=%s\n", argv[2], tmp);
352 finish(1);
353 }
354
355 if (argc == 4 && !strcmp(argv[1], "getfacl")) {
356 g_loglevel = 10;
357 g_text_mode = TRUE;
358 setup_newt_stuff();
359 if (!strstr(argv[2], "filelist")) {
360 printf("Sorry - filelist goes first\n");
361 finish(1);
362 } else {
363 finish(get_acl_list(argv[2], argv[3]));
364 }
365 finish(0);
366 }
367 if (argc == 4 && !strcmp(argv[1], "setfacl")) {
368 g_loglevel = 10;
369// chdir("/tmp");
370 g_text_mode = TRUE;
371 setup_newt_stuff();
372 finish(set_acl_list(argv[2], argv[3]));
373 }
374
375 if (argc > 2 && !strcmp(argv[1], "find-cd")) {
376 g_loglevel = 10;
377 g_text_mode = TRUE;
378 setup_newt_stuff();
379 if (find_cdrw_device(tmp)) {
380 printf("Failed to find CDR-RW drive\n");
381 } else {
382 printf("CD-RW is at %s\n", tmp);
383 }
384 tmp[0] = '\0';
385 if (find_cdrom_device(tmp, atoi(argv[2]))) {
386 printf("Failed to find CD-ROM drive\n");
387 } else {
388 printf("CD-ROM is at %s\n", tmp);
389 }
390 finish(0);
391 }
392
393 if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
394 g_loglevel = 10;
395 g_text_mode = TRUE;
396 setup_newt_stuff();
397 if (find_dvd_device(tmp, atoi(argv[2]))) {
398 printf("Failed to find DVD drive\n");
399 } else {
400 printf("DVD is at %s\n", tmp);
401 }
402 finish(0);
403 }
404
405 if (argc > 2 && !strcmp(argv[1], "disksize")) {
406 printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
407 finish(0);
408 }
409 if (argc > 2 && !strcmp(argv[1], "test-dev")) {
410 if (is_dev_an_NTFS_dev(argv[2])) {
411 printf("%s is indeed an NTFS dev\n", argv[2]);
412 } else {
413 printf("%s is _not_ an NTFS dev\n", argv[2]);
414 }
415 finish(0);
416 }
417
418 if (pre_param_configuration(bkpinfo)) {
419 fatal_error
420 ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
421 }
422
423/* Process command line, if there is one. If not, ask user for info. */
424 if (argc == 1) {
425 g_text_mode = FALSE;
426 setup_newt_stuff();
427 res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE); /* yes, archiving */
428 if (res) {
429 fatal_error
430 ("Syntax error. Please review the parameters you have supplied and try again.");
431 }
432 } else {
433 res = handle_incoming_parameters(argc, argv, bkpinfo);
434 if (res) {
435 printf
436 ("Errors were detected in the command line you supplied.\n");
437 printf("Please review the log file - " MONDO_LOGFILE "\n");
438 log_msg(1, "Mondoarchive will now exit.");
439 finish(1);
440 }
441 setup_newt_stuff();
442 }
443
444/* Finish configuring global structures */
445 if (post_param_configuration(bkpinfo)) {
446 fatal_error
447 ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
448 }
449
450 log_to_screen
451 ("BusyBox's sources are available from http://www.busybox.net");
452 sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
453 bkpinfo->scratchdir);
454
455 /* If we're meant to backup then backup */
456 if (bkpinfo->backup_data) {
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
551 /* finalize log file with time stamp */
552 log_msg(0, "Time finished: %s", mr_date());
553
554 if (!g_text_mode) {
555 popup_and_OK
556 ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
557 log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
558 finish(retval);
559 } else {
560 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
561 exit(retval);
562 }
563
564 return EXIT_SUCCESS;
565}
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