source: branches/2.05/mondo/mondo/mondoarchive/main.c @ 251

Last change on this file since 251 was 251, checked in by bcornec, 14 years ago
  • iso-prefix should be read in iso mode even when -H not given (Stan Benoit)
  • prefix is also asked interactively for nfs mode (Bruno Cornec)
  • PACKAGE_VERSION used instead of VERSION for mondo{archive,restore} (Bruno Cornec)
  • Property svn:keywords set to Id
File size: 16.2 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 251 2005-12-21 01:43:37Z 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 251 2005-12-21 01:43:37Z 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/* Make sure I'm root; abort if not */
254    if (getuid() != 0) {
255        fprintf(stderr, "Please run as root.\r\n");
256        exit(127);
257    }
258
259/* If -V, -v or --version then echo version no. and quit */
260    if (argc == 2
261        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
262            || !strcmp(argv[argc - 1], "--version"))) {
263        printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
264        exit(0);
265    }
266
267/* Initialize variables */
268
269    malloc_libmondo_global_strings();
270    malloc_string(tmp);
271    malloc_string(say_at_end);
272
273    res = 0;
274    retval = 0;
275    diffs = 0;
276    say_at_end[0] = '\0';
277    unlink("/var/log/partimagehack-debug.log");
278    printf("Initializing...\n");
279    if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
280        fatal_error("Cannot malloc bkpinfo");
281    }
282
283
284/* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
285    strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
286    tmp[MAX_STR_LEN - 1] = '\0';
287    if (strlen(tmp) >= MAX_STR_LEN - 33) {
288        fatal_error
289            ("Your PATH environmental variable is too long. Please shorten it.");
290    }
291    strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
292    setenv("PATH", tmp, 1);
293
294/* Add the ARCH environment variable for ia64 purposes */
295    strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
296    tmp[MAX_STR_LEN - 1] = '\0';
297    setenv("ARCH", tmp, 1);
298
299    unlink(MONDO_LOGFILE);
300
301/* Configure the bkpinfo structure, global file paths, etc. */
302    g_main_pid = getpid();
303    log_msg(9, "This");
304
305    register_pid(g_main_pid, "mondo");
306    set_signals(TRUE);          // catch SIGTERM, etc.
307    run_program_and_log_output("dmesg -n1", TRUE);
308
309    log_msg(9, "Next");
310    welcome_to_mondoarchive();
311    distro_specific_kludges_at_start_of_mondoarchive();
312    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
313            bkpinfo->scratchdir);
314    g_kernel_version = get_kernel_version();
315
316    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
317        g_loglevel = 10;
318        g_text_mode = TRUE;
319        setup_newt_stuff();
320        if (!strstr(argv[2], "filelist")) {
321            printf("Sorry - filelist goes first\n");
322            finish(1);
323        } else {
324            finish(get_fattr_list(argv[2], argv[3]));
325        }
326        finish(0);
327    }
328    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
329        g_loglevel = 10;
330//      chdir("/tmp");
331        g_text_mode = TRUE;
332        setup_newt_stuff();
333        finish(set_fattr_list(argv[2], argv[3]));
334    }
335
336    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
337        g_loglevel = 10;
338        g_text_mode = TRUE;
339        setup_newt_stuff();
340        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
341        printf("in=%s; out=%s\n", argv[2], tmp);
342        finish(1);
343    }
344
345    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
346        g_loglevel = 10;
347        g_text_mode = TRUE;
348        setup_newt_stuff();
349        if (!strstr(argv[2], "filelist")) {
350            printf("Sorry - filelist goes first\n");
351            finish(1);
352        } else {
353            finish(get_acl_list(argv[2], argv[3]));
354        }
355        finish(0);
356    }
357    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
358        g_loglevel = 10;
359//      chdir("/tmp");
360        g_text_mode = TRUE;
361        setup_newt_stuff();
362        finish(set_acl_list(argv[2], argv[3]));
363    }
364
365    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
366        g_loglevel = 10;
367        g_text_mode = TRUE;
368        setup_newt_stuff();
369        if (find_cdrw_device(tmp)) {
370            printf("Failed to find CDR-RW drive\n");
371        } else {
372            printf("CD-RW is at %s\n", tmp);
373        }
374        tmp[0] = '\0';
375        if (find_cdrom_device(tmp, atoi(argv[2]))) {
376            printf("Failed to find CD-ROM drive\n");
377        } else {
378            printf("CD-ROM is at %s\n", tmp);
379        }
380        finish(0);
381    }
382
383    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
384        g_loglevel = 10;
385        g_text_mode = TRUE;
386        setup_newt_stuff();
387        if (find_dvd_device(tmp, atoi(argv[2]))) {
388            printf("Failed to find DVD drive\n");
389        } else {
390            printf("DVD is at %s\n", tmp);
391        }
392        finish(0);
393    }
394
395    if (argc > 2 && !strcmp(argv[1], "disksize")) {
396        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
397        finish(0);
398    }
399    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
400        if (is_dev_an_NTFS_dev(argv[2])) {
401            printf("%s is indeed an NTFS dev\n", argv[2]);
402        } else {
403            printf("%s is _not_ an NTFS dev\n", argv[2]);
404        }
405        finish(0);
406    }
407
408    if (pre_param_configuration(bkpinfo)) {
409        fatal_error
410            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
411    }
412
413/* Process command line, if there is one. If not, ask user for info. */
414    if (argc == 1) {
415        g_text_mode = FALSE;
416        setup_newt_stuff();
417        res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE);   /* yes, archiving */
418        if (res) {
419            fatal_error
420                ("Syntax error. Please review the parameters you have supplied and try again.");
421        }
422    } else {
423        res = handle_incoming_parameters(argc, argv, bkpinfo);
424        if (res) {
425            printf
426                ("Errors were detected in the command line you supplied.\n");
427            printf("Please review the log file - " MONDO_LOGFILE "\n");
428            log_msg(1, "Mondoarchive will now exit.");
429            finish(1);
430        }
431        setup_newt_stuff();
432    }
433
434/* Finish configuring global structures */
435    if (post_param_configuration(bkpinfo)) {
436        fatal_error
437            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
438    }
439
440    log_to_screen
441        ("BusyBox's sources are available from http://www.busybox.net");
442    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
443            bkpinfo->scratchdir);
444
445    /* If we're meant to backup then backup */
446    if (bkpinfo->backup_data) {
447/*
448      log_to_screen("INFERNAL PORPOISES");
449      res = archive_this_fileset_with_star(bkpinfo, "/tmp/filelist.0", "/tmp/0.star.bz2", 0);
450      log_to_screen("atfws returned %d", res);
451      finish(0);
452*/
453        res = backup_data(bkpinfo);
454        retval += res;
455        if (res) {
456            strcat(say_at_end,
457                   "Data archived. Please check the logs, just as a precaution. ");
458        } else {
459            strcat(say_at_end, "Data archived OK. ");
460        }
461    }
462
463/* If we're meant to verify then verify */
464    if (bkpinfo->verify_data) {
465        res = verify_data(bkpinfo);
466        if (res < 0) {
467            sprintf(tmp, "%d difference%c found.", -res,
468                    (-res != 1) ? 's' : ' ');
469            strcat(say_at_end, tmp);
470            log_to_screen(tmp);
471            res = 0;
472        }
473        retval += res;
474    }
475
476/* Offer to write floppy disk images to physical disks */
477    if (bkpinfo->backup_data && !g_skip_floppies) {
478        res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
479        retval += res;
480//      res = offer_to_write_boot_ISO_to_physical_CD(bkpinfo);
481//      retval += res;
482    }
483
484/* Report result of entire operation (success? errors?) */
485    if (!retval) {
486        mvaddstr_and_log_it(g_currentY++, 0,
487                            "Backup and/or verify ran to completion. Everything appears to be fine.");
488    } else {
489        mvaddstr_and_log_it(g_currentY++, 0,
490                            "Backup and/or verify ran to completion. However, errors did occur.");
491    }
492
493    if (does_file_exist("/root/images/mindi/mondorescue.iso")) {
494        log_to_screen
495            ("/root/images/mindi/mondorescue.iso, a boot/utility CD, is available if you want it.");
496    }
497
498
499    if (length_of_file("/tmp/changed.files") > 2) {
500        if (g_text_mode) {
501            log_to_screen
502                ("Type 'less /tmp/changed.files' to see which files don't match the archives");
503        } else {
504            log_msg(1,
505                    "Type 'less /tmp/changed.files' to see which files don't match the archives");
506            log_msg(2, "Calling popup_changelist_from_file()");
507            popup_changelist_from_file("/tmp/changed.files");
508            log_msg(2, "Returned from popup_changelist_from_file()");
509        }
510    } else {
511        unlink("/tmp/changed.files");
512    }
513    log_to_screen(say_at_end);
514    sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
515    run_program_and_log_output(tmp, TRUE);
516    run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
517
518    run_program_and_log_output("mount", 2);
519
520    system("rm -f /var/cache/mondo-archive/last-backup.aborted");
521    system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
522    if (!retval) {
523        printf("Mondoarchive ran OK.\n");
524    } else {
525        printf("Errors occurred during backup. Please check logfile.\n");
526    }
527    distro_specific_kludges_at_end_of_mondoarchive();
528    register_pid(0, "mondo");
529    set_signals(FALSE);
530    chdir("/tmp");              // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
531    system(g_erase_tmpdir_and_scratchdir);
532    free_libmondo_global_strings();
533    paranoid_free(say_at_end);
534    paranoid_free(tmp);
535    paranoid_free(bkpinfo);
536
537    unlink("/tmp/filelist.full");
538    unlink("/tmp/filelist.full.gz");
539
540    if (!g_cdrom_drive_is_here) {
541        log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
542    }
543    if (!g_dvd_drive_is_here) {
544        log_msg(10, "FYI, g_dvd_drive_is_here was never used");
545    }
546
547    if (!g_text_mode) {
548        popup_and_OK
549            ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
550        log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
551        finish(retval);
552    } else {
553        printf("See %s for details of backup run.\n", MONDO_LOGFILE);
554        exit(retval);
555    }
556
557    return EXIT_SUCCESS;
558}
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