source: MondoRescue/branches/stable/mondo/mondo/mondoarchive/main.c @ 497

Last change on this file since 497 was 497, checked in by bcornec, 15 years ago

Integration of a big patch from rene-marc dolhen <rmd_at_mecreant.org> to support internationalization with gettext.

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File size: 16.4 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 497 2006-04-27 22:34:03Z bcornec $
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 497 2006-04-27 22:34:03Z bcornec $";
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;
142
143extern t_bkptype g_backup_media_type;
144extern int g_loglevel;
145
146/****************** subroutines used only by main.c ******************/
147
148
149/**
150 * Print a "don't panic" message to the log and a message about the logfile to the screen.
151 */
152void welcome_to_mondoarchive()
153{
154    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
155            PACKAGE_VERSION);
156    log_msg(0, "running on %s architecture", get_architecture());
157    log_msg(0,
158            "-----------------------------------------------------------");
159    log_msg(0,
160            "NB: Mondo logs almost everything, so don't panic if you see");
161    log_msg(0,
162            "some error messages.  Please read them carefully before you");
163    log_msg(0,
164            "decide to break out in a cold sweat.    Despite (or perhaps");
165    log_msg(0,
166            "because of) the wealth of messages. some users are inclined");
167    log_msg(0,
168            "to stop reading this log. If Mondo stopped for some reason,");
169    log_msg(0,
170            "chances are it's detailed here.  More than likely there's a");
171    log_msg(0,
172            "message at the very end of this log that will tell you what");
173    log_msg(0,
174            "is wrong. Please read it!                          -Devteam");
175    log_msg(0,
176            "-----------------------------------------------------------");
177
178    log_msg(0, "Zero...");
179    log_msg(1, "One...");
180    log_msg(2, "Two...");
181    log_msg(3, "Three...");
182    log_msg(4, "Four...");
183    log_msg(5, "Five...");
184    log_msg(6, "Six...");
185    log_msg(7, "Seven...");
186    log_msg(8, "Eight...");
187    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
188}
189
190
191extern char *g_magicdev_command;
192
193/**
194 * Do whatever is necessary to insure a successful backup on the Linux distribution
195 * of the day.
196 */
197void distro_specific_kludges_at_start_of_mondoarchive()
198{
199    log_msg(2, "Unmounting old ramdisks if necessary");
200    stop_magicdev_if_necessary();   // for RH+Gnome users
201    run_program_and_log_output
202        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
203    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
204    //  stop_autofs_if_necessary(); // for Xandros users
205    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
206    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
207}
208
209
210
211/**
212 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
213 */
214void distro_specific_kludges_at_end_of_mondoarchive()
215{
216//  char tmp[500];
217    log_msg(2, "Restarting magicdev if necessary");
218    sync();
219    restart_magicdev_if_necessary();    // for RH+Gnome users
220
221    log_msg(2, "Restarting autofs if necessary");
222    sync();
223    //  restart_autofs_if_necessary(); // for Xandros users
224
225    log_msg(2, "Restarting supermounts if necessary");
226    sync();
227    remount_supermounts_if_necessary(); // for Mandrake users
228
229    log_msg(2, "Unmounting /boot if necessary");
230    sync();
231    unmount_boot_if_necessary();    // for Gentoo users
232
233//  log_msg( 2, "Cleaning up KDE desktop");
234//  clean_up_KDE_desktop_if_necessary();
235}
236
237
238/*-----------------------------------------------------------*/
239
240
241
242/**
243 * Backup/verify the user's data.
244 * What did you think it did, anyway? :-)
245 */
246int main(int argc, char *argv[])
247{
248    struct s_bkpinfo *bkpinfo;
249    char *tmp;
250    int res, retval;
251    char *say_at_end;
252
253#ifdef ENABLE_NLS
254    setlocale(LC_ALL, "");
255    (void) textdomain("mondo");
256#endif
257/* Make sure I'm root; abort if not */
258    if (getuid() != 0) {
259        fprintf(stderr, _("Please run as root.\n"));
260        exit(127);
261    }
262
263/* If -V, -v or --version then echo version no. and quit */
264    if (argc == 2
265        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
266            || !strcmp(argv[argc - 1], "--version"))) {
267        printf(_("mondoarchive v%s\nSee man page for help\n"), PACKAGE_VERSION);
268        exit(0);
269    }
270
271/* Initialize variables */
272
273    malloc_libmondo_global_strings();
274    malloc_string(tmp);
275    malloc_string(say_at_end);
276
277    res = 0;
278    retval = 0;
279    diffs = 0;
280    say_at_end[0] = '\0';
281    printf(_("Initializing...\n"));
282    if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
283        fatal_error("Cannot malloc bkpinfo");
284    }
285
286
287/* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
288    strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
289    tmp[MAX_STR_LEN - 1] = '\0';
290    if (strlen(tmp) >= MAX_STR_LEN - 33) {
291        fatal_error
292            ("Your PATH environmental variable is too long. Please shorten it.");
293    }
294    strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
295    setenv("PATH", tmp, 1);
296
297/* Add the ARCH environment variable for ia64 purposes */
298    strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
299    tmp[MAX_STR_LEN - 1] = '\0';
300    setenv("ARCH", tmp, 1);
301
302    /* Add MONDO_SHARE environment variable for mindi */
303    setenv_mondo_share();
304
305    unlink(MONDO_LOGFILE);
306
307/* Configure the bkpinfo structure, global file paths, etc. */
308    g_main_pid = getpid();
309    log_msg(9, "This");
310
311    register_pid(g_main_pid, "mondo");
312    set_signals(TRUE);          // catch SIGTERM, etc.
313    run_program_and_log_output("dmesg -n1", TRUE);
314
315    log_msg(9, "Next");
316    welcome_to_mondoarchive();
317    distro_specific_kludges_at_start_of_mondoarchive();
318    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
319            bkpinfo->scratchdir);
320    g_kernel_version = get_kernel_version();
321
322    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
323        g_loglevel = 10;
324        g_text_mode = TRUE;
325        setup_newt_stuff();
326        if (!strstr(argv[2], "filelist")) {
327            printf(_("Sorry - filelist goes first\n"));
328            finish(1);
329        } else {
330            finish(get_fattr_list(argv[2], argv[3]));
331        }
332        finish(0);
333    }
334    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
335        g_loglevel = 10;
336//      chdir("/tmp");
337        g_text_mode = TRUE;
338        setup_newt_stuff();
339        finish(set_fattr_list(argv[2], argv[3]));
340    }
341
342    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
343        g_loglevel = 10;
344        g_text_mode = TRUE;
345        setup_newt_stuff();
346        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
347        printf("in=%s; out=%s\n", argv[2], tmp);
348        finish(1);
349    }
350
351    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
352        g_loglevel = 10;
353        g_text_mode = TRUE;
354        setup_newt_stuff();
355        if (!strstr(argv[2], "filelist")) {
356            printf(_("Sorry - filelist goes first\n"));
357            finish(1);
358        } else {
359            finish(get_acl_list(argv[2], argv[3]));
360        }
361        finish(0);
362    }
363    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
364        g_loglevel = 10;
365//      chdir("/tmp");
366        g_text_mode = TRUE;
367        setup_newt_stuff();
368        finish(set_acl_list(argv[2], argv[3]));
369    }
370
371    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
372        g_loglevel = 10;
373        g_text_mode = TRUE;
374        setup_newt_stuff();
375        if (find_cdrw_device(tmp)) {
376            printf(_("Failed to find CDR-RW drive\n"));
377        } else {
378            printf(_("CD-RW is at %s\n"), tmp);
379        }
380        tmp[0] = '\0';
381        if (find_cdrom_device(tmp, atoi(argv[2]))) {
382            printf(_("Failed to find CD-ROM drive\n"));
383        } else {
384            printf(_("CD-ROM is at %s\n"), tmp);
385        }
386        finish(0);
387    }
388
389    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
390        g_loglevel = 10;
391        g_text_mode = TRUE;
392        setup_newt_stuff();
393        if (find_dvd_device(tmp, atoi(argv[2]))) {
394            printf(_("Failed to find DVD drive\n"));
395        } else {
396            printf(_("DVD is at %s\n"), tmp);
397        }
398        finish(0);
399    }
400
401    if (argc > 2 && !strcmp(argv[1], "disksize")) {
402        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
403        finish(0);
404    }
405    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
406        if (is_dev_an_NTFS_dev(argv[2])) {
407            printf(_("%s is indeed an NTFS dev\n"), argv[2]);
408        } else {
409            printf(_("%s is _not_ an NTFS dev\n"), argv[2]);
410        }
411        finish(0);
412    }
413
414    if (pre_param_configuration(bkpinfo)) {
415        fatal_error
416            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
417    }
418
419/* Process command line, if there is one. If not, ask user for info. */
420    if (argc == 1) {
421        g_text_mode = FALSE;
422        setup_newt_stuff();
423        res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE);   /* yes, archiving */
424        if (res) {
425            fatal_error
426                ("Syntax error. Please review the parameters you have supplied and try again.");
427        }
428    } else {
429        res = handle_incoming_parameters(argc, argv, bkpinfo);
430        if (res) {
431            printf
432                (_("Errors were detected in the command line you supplied.\n"));
433            printf(_("Please review the log file - %s \n"),MONDO_LOGFILE);
434            log_msg(1, "Mondoarchive will now exit.");
435            finish(1);
436        }
437        setup_newt_stuff();
438    }
439
440/* Finish configuring global structures */
441    if (post_param_configuration(bkpinfo)) {
442        fatal_error
443            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
444    }
445
446    log_to_screen
447        (_("BusyBox's sources are available from http://www.busybox.net"));
448    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
449            bkpinfo->scratchdir);
450
451    /* If we're meant to backup then backup */
452    if (bkpinfo->backup_data) {
453/*
454      log_to_screen("INFERNAL PORPOISES");
455      res = archive_this_fileset_with_star(bkpinfo, "/tmp/filelist.0", "/tmp/0.star.bz2", 0);
456      log_to_screen("atfws returned %d", res);
457      finish(0);
458*/
459        res = backup_data(bkpinfo);
460        retval += res;
461        if (res) {
462            strcat(say_at_end,
463                   _("Data archived. Please check the logs, just as a precaution. "));
464        } else {
465            strcat(say_at_end, _("Data archived OK. "));
466        }
467    }
468
469/* If we're meant to verify then verify */
470    if (bkpinfo->verify_data) {
471        res = verify_data(bkpinfo);
472        if (res < 0) {
473            sprintf(tmp, _("%d difference%c found."), -res,
474                    (-res != 1) ? 's' : ' ');
475            strcat(say_at_end, tmp);
476            log_to_screen(tmp);
477            res = 0;
478        }
479        retval += res;
480    }
481
482/* Offer to write floppy disk images to physical disks */
483    if (bkpinfo->backup_data && !g_skip_floppies) {
484        res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
485        retval += res;
486//      res = offer_to_write_boot_ISO_to_physical_CD(bkpinfo);
487//      retval += res;
488    }
489
490/* Report result of entire operation (success? errors?) */
491    if (!retval) {
492        mvaddstr_and_log_it(g_currentY++, 0,
493                            _("Backup and/or verify ran to completion. Everything appears to be fine."));
494    } else {
495        mvaddstr_and_log_it(g_currentY++, 0,
496                            _("Backup and/or verify ran to completion. However, errors did occur."));
497    }
498
499    if (does_file_exist("/root/images/mindi/mondorescue.iso")) {
500        log_to_screen
501            (_("/root/images/mindi/mondorescue.iso, a boot/utility CD, is available if you want it."));
502    }
503
504
505    if (length_of_file("/tmp/changed.files") > 2) {
506        if (g_text_mode) {
507            log_to_screen
508                (_("Type 'less /tmp/changed.files' to see which files don't match the archives"));
509        } else {
510            log_msg(1,
511                    _("Type 'less /tmp/changed.files' to see which files don't match the archives"));
512            log_msg(2, "Calling popup_changelist_from_file()");
513            popup_changelist_from_file("/tmp/changed.files");
514            log_msg(2, "Returned from popup_changelist_from_file()");
515        }
516    } else {
517        unlink("/tmp/changed.files");
518    }
519    log_to_screen(say_at_end);
520    sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
521    run_program_and_log_output(tmp, TRUE);
522    run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
523
524    run_program_and_log_output("mount", 2);
525
526    system("rm -f /var/cache/mondo-archive/last-backup.aborted");
527    system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
528    if (!retval) {
529        printf(_("Mondoarchive ran OK.\n"));
530    } else {
531        printf(_("Errors occurred during backup. Please check logfile.\n"));
532    }
533    distro_specific_kludges_at_end_of_mondoarchive();
534    register_pid(0, "mondo");
535    set_signals(FALSE);
536    chdir("/tmp");              // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
537    system(g_erase_tmpdir_and_scratchdir);
538    free_libmondo_global_strings();
539    paranoid_free(say_at_end);
540    paranoid_free(tmp);
541    paranoid_free(bkpinfo);
542
543    unlink("/tmp/filelist.full");
544    unlink("/tmp/filelist.full.gz");
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    if (!g_text_mode) {
554        popup_and_OK
555            (_("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt."));
556        log_to_screen(_("See %s for details of backup run."), MONDO_LOGFILE);
557        finish(retval);
558    } else {
559        printf(_("See %s for details of backup run.\n"), MONDO_LOGFILE);
560        exit(retval);
561    }
562
563    return EXIT_SUCCESS;
564}
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