source: branches/2.2.5/mondo/src/mondoarchive/main.c @ 1885

Last change on this file since 1885 was 1885, checked in by bruno, 11 years ago
  • Remove floppy support from mindi and mondo and adapt docs
  • Align more mindi with the version from stable
  • Property svn:keywords set to Id
File size: 15.8 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 1885 2008-03-01 23:38:35Z 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 1885 2008-03-01 23:38:35Z 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_floppy_at_end;
133extern char *g_cdrw_drive_is_here;
134static char *g_cdrom_drive_is_here = NULL;
135static char *g_dvd_drive_is_here = NULL;
136extern double g_kernel_version;
137
138/***************** global vars, used only by main.c ******************/
139bool g_skip_floppies;
140long diffs;
141
142extern t_bkptype g_backup_media_type;
143extern int g_loglevel;
144
145/* Reference to global bkpinfo */
146struct s_bkpinfo *bkpinfo;
147
148/****************** subroutines used only by main.c ******************/
149
150
151/**
152 * Print a "don't panic" message to the log and a message about the logfile to the screen.
153 */
154void welcome_to_mondoarchive(void)
155{
156    char *tmp = NULL;
157
158    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
159            PACKAGE_VERSION);
160    log_msg(0, "running %s binaries", get_architecture());
161    tmp = get_uname_m();
162    log_msg(0, "running on %s architecture", tmp);
163    free(tmp);
164    log_msg(0,
165            "-----------------------------------------------------------");
166    log_msg(0,
167            "NB: Mondo logs almost everything, so don't panic if you see");
168    log_msg(0,
169            "some error messages.  Please read them carefully before you");
170    log_msg(0,
171            "decide to break out in a cold sweat.    Despite (or perhaps");
172    log_msg(0,
173            "because of) the wealth of messages. some users are inclined");
174    log_msg(0,
175            "to stop reading this log. If Mondo stopped for some reason,");
176    log_msg(0,
177            "chances are it's detailed here.  More than likely there's a");
178    log_msg(0,
179            "message at the very end of this log that will tell you what");
180    log_msg(0,
181            "is wrong. Please read it!                          -Devteam");
182    log_msg(0,
183            "-----------------------------------------------------------");
184
185    log_msg(0, "Zero...");
186    log_msg(1, "One...");
187    log_msg(2, "Two...");
188    log_msg(3, "Three...");
189    log_msg(4, "Four...");
190    log_msg(5, "Five...");
191    log_msg(6, "Six...");
192    log_msg(7, "Seven...");
193    log_msg(8, "Eight...");
194    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
195}
196
197
198extern char *g_magicdev_command;
199
200/**
201 * Do whatever is necessary to insure a successful backup on the Linux distribution
202 * of the day.
203 */
204void distro_specific_kludges_at_start_of_mondoarchive(void)
205{
206    log_msg(2, "Unmounting old ramdisks if necessary");
207    stop_magicdev_if_necessary();   // for RH+Gnome users
208    run_program_and_log_output
209        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
210    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
211    //  stop_autofs_if_necessary(); // for Xandros users
212    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
213    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
214}
215
216
217
218/**
219 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
220 */
221void distro_specific_kludges_at_end_of_mondoarchive(void)
222{
223//  char tmp[500];
224    log_msg(2, "Restarting magicdev if necessary");
225    sync();
226    restart_magicdev_if_necessary();    // for RH+Gnome users
227
228    log_msg(2, "Restarting autofs if necessary");
229    sync();
230    //  restart_autofs_if_necessary(); // for Xandros users
231
232    log_msg(2, "Restarting supermounts if necessary");
233    sync();
234    remount_supermounts_if_necessary(); // for Mandrake users
235
236    log_msg(2, "Unmounting /boot if necessary");
237    sync();
238    unmount_boot_if_necessary();    // for Gentoo users
239
240//  log_msg( 2, "Cleaning up KDE desktop");
241//  clean_up_KDE_desktop_if_necessary();
242}
243
244/* Return a string containing the date */
245char *mr_date(void) {
246   
247    time_t tcurr;
248
249    tcurr = time(NULL);
250    return(ctime(&tcurr));
251}
252
253/*-----------------------------------------------------------*/
254
255
256
257/**
258 * Backup/verify the user's data.
259 * What did you think it did, anyway? :-)
260 */
261int main(int argc, char *argv[])
262{
263    char *tmp;
264    int res, retval;
265    char *say_at_end;
266
267/* Make sure I'm root; abort if not */
268    if (getuid() != 0) {
269        fprintf(stderr, "Please run as root.\r\n");
270        exit(127);
271    }
272
273/* If -V, -v or --version then echo version no. and quit */
274    if (argc == 2
275        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
276            || !strcmp(argv[argc - 1], "--version"))) {
277        printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
278        exit(0);
279    }
280
281/* Initialize variables */
282
283    printf("Initializing...\n");
284    if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
285        fatal_error("Cannot malloc bkpinfo");
286    }
287    reset_bkpinfo();
288
289    res = 0;
290    retval = 0;
291    diffs = 0;
292    malloc_string(tmp);
293    malloc_string(say_at_end);
294    say_at_end[0] = '\0';
295    malloc_libmondo_global_strings();
296
297    /* initialize log file with time stamp */
298    unlink(MONDO_LOGFILE);
299    log_msg(0, "Time started: %s", mr_date());
300
301    /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
302    strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
303    tmp[MAX_STR_LEN - 1] = '\0';
304    if (strlen(tmp) >= MAX_STR_LEN - 33) {
305        fatal_error
306            ("Your PATH environmental variable is too long. Please shorten it.");
307    }
308    strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
309    setenv("PATH", tmp, 1);
310
311    /* Add the ARCH environment variable for ia64 purposes */
312    strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
313    tmp[MAX_STR_LEN - 1] = '\0';
314    setenv("ARCH", tmp, 1);
315
316    /* Add MONDO_SHARE environment variable for mindi */
317    setenv_mondo_share();
318
319    /* Configure the bkpinfo structure, global file paths, etc. */
320    g_main_pid = getpid();
321    log_msg(9, "This");
322
323    register_pid(g_main_pid, "mondo");
324    set_signals(TRUE);          // catch SIGTERM, etc.
325    run_program_and_log_output("dmesg -n1", TRUE);
326
327    log_msg(9, "Next");
328    make_hole_for_dir(MONDO_CACHE);
329
330    welcome_to_mondoarchive();
331    distro_specific_kludges_at_start_of_mondoarchive();
332    g_kernel_version = get_kernel_version();
333
334    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
335        g_loglevel = 10;
336        g_text_mode = TRUE;
337        setup_newt_stuff();
338        if (!strstr(argv[2], "filelist")) {
339            printf("Sorry - filelist goes first\n");
340            finish(1);
341        } else {
342            finish(get_fattr_list(argv[2], argv[3]));
343        }
344        finish(0);
345    }
346    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
347        g_loglevel = 10;
348//      chdir("/tmp");
349        g_text_mode = TRUE;
350        setup_newt_stuff();
351        finish(set_fattr_list(argv[2], argv[3]));
352    }
353
354    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
355        g_loglevel = 10;
356        g_text_mode = TRUE;
357        setup_newt_stuff();
358        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
359        printf("in=%s; out=%s\n", argv[2], tmp);
360        finish(1);
361    }
362
363    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
364        g_loglevel = 10;
365        g_text_mode = TRUE;
366        setup_newt_stuff();
367        if (!strstr(argv[2], "filelist")) {
368            printf("Sorry - filelist goes first\n");
369            finish(1);
370        } else {
371            finish(get_acl_list(argv[2], argv[3]));
372        }
373        finish(0);
374    }
375    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
376        g_loglevel = 10;
377//      chdir("/tmp");
378        g_text_mode = TRUE;
379        setup_newt_stuff();
380        finish(set_acl_list(argv[2], argv[3]));
381    }
382
383    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
384        g_loglevel = 10;
385        g_text_mode = TRUE;
386        setup_newt_stuff();
387        if (find_cdrw_device(tmp)) {
388            printf("Failed to find CDR-RW drive\n");
389        } else {
390            printf("CD-RW is at %s\n", tmp);
391        }
392        tmp[0] = '\0';
393        if (find_cdrom_device(tmp, atoi(argv[2]))) {
394            printf("Failed to find CD-ROM drive\n");
395        } else {
396            printf("CD-ROM is at %s\n", tmp);
397        }
398        finish(0);
399    }
400
401    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
402        g_loglevel = 10;
403        g_text_mode = TRUE;
404        setup_newt_stuff();
405        if (find_dvd_device(tmp, atoi(argv[2]))) {
406            printf("Failed to find DVD drive\n");
407        } else {
408            printf("DVD is at %s\n", tmp);
409        }
410        finish(0);
411    }
412
413    if (argc > 2 && !strcmp(argv[1], "disksize")) {
414        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
415        finish(0);
416    }
417    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
418        if (is_dev_an_NTFS_dev(argv[2])) {
419            printf("%s is indeed an NTFS dev\n", argv[2]);
420        } else {
421            printf("%s is _not_ an NTFS dev\n", argv[2]);
422        }
423        finish(0);
424    }
425
426    if (pre_param_configuration()) {
427        fatal_error
428            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
429    }
430
431/* Process command line, if there is one. If not, ask user for info. */
432    if (argc == 1) {
433        g_text_mode = FALSE;
434        setup_newt_stuff();
435        res = interactively_obtain_media_parameters_from_user(TRUE);    /* yes, archiving */
436        if (res) {
437            fatal_error
438                ("Syntax error. Please review the parameters you have supplied and try again.");
439        }
440    } else {
441        res = handle_incoming_parameters(argc, argv);
442        if (res) {
443            printf
444                ("Errors were detected in the command line you supplied.\n");
445            printf("Please review the log file - %s\n", MONDO_LOGFILE );
446            log_msg(1, "Mondoarchive will now exit.");
447            finish(1);
448        }
449        setup_newt_stuff();
450    }
451
452/* Finish configuring global structures */
453    if (post_param_configuration()) {
454        fatal_error
455            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
456    }
457
458    log_to_screen
459        ("BusyBox's sources are available from http://www.busybox.net");
460
461    /* If we're meant to backup then backup */
462    if (bkpinfo->backup_data) {
463        res = backup_data();
464        retval += res;
465        if (res) {
466            strcat(say_at_end,
467                   "Data archived. Please check the logs, just as a precaution. ");
468        } else {
469            strcat(say_at_end, "Data archived OK. ");
470        }
471    }
472
473/* If we're meant to verify then verify */
474    if (bkpinfo->verify_data) {
475        res = verify_data();
476        if (res < 0) {
477            sprintf(tmp, "%d difference%c found.", -res,
478                    (-res != 1) ? 's' : ' ');
479            strcat(say_at_end, tmp);
480            log_to_screen(tmp);
481            res = 0;
482        }
483        retval += res;
484    }
485
486/* Report result of entire operation (success? errors?) */
487    if (!retval) {
488        mvaddstr_and_log_it(g_currentY++, 0,
489                            "Backup and/or verify ran to completion. Everything appears to be fine.");
490    } else {
491        mvaddstr_and_log_it(g_currentY++, 0,
492                            "Backup and/or verify ran to completion. However, errors did occur.");
493    }
494
495    if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
496        log_to_screen
497            (MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it.");
498    }
499
500    if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
501        if (g_text_mode) {
502            log_to_screen("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
503        } else {
504            log_msg(1, "Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
505            log_msg(2, "Calling popup_changelist_from_file()");
506            popup_changelist_from_file(MONDO_CACHE"/changed.files");
507            log_msg(2, "Returned from popup_changelist_from_file()");
508        }
509    } else {
510        unlink(MONDO_CACHE"/changed.files");
511    }
512    log_to_screen(say_at_end);
513    sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
514    run_program_and_log_output(tmp, TRUE);
515    if (bkpinfo->backup_media_type == usb) {
516        log_msg(1, "Unmounting USB device.");
517        sprintf(tmp, "umount %s1", bkpinfo->media_device);
518        run_program_and_log_output(tmp, TRUE);
519    }
520
521    run_program_and_log_output("mount", 2);
522
523    system("rm -f "MONDO_CACHE"/last-backup.aborted");
524    if (!retval) {
525        printf("Mondoarchive ran OK.\n");
526    } else {
527        printf("Errors occurred during backup. Please check logfile.\n");
528    }
529    distro_specific_kludges_at_end_of_mondoarchive();
530    register_pid(0, "mondo");
531    set_signals(FALSE);
532
533    free_libmondo_global_strings();
534    paranoid_free(say_at_end);
535   
536
537    if (!g_cdrom_drive_is_here) {
538        log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
539    }
540    if (!g_dvd_drive_is_here) {
541        log_msg(10, "FYI, g_dvd_drive_is_here was never used");
542    }
543
544    /* finalize log file with time stamp */
545    log_msg(0, "Time finished: %s", mr_date());
546
547    chdir("/tmp");
548
549    if (!g_text_mode) {
550        popup_and_OK
551            ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
552        log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
553    } else {
554        printf("See %s for details of backup run.\n", MONDO_LOGFILE);
555    }
556    finish(retval);
557
558    return EXIT_SUCCESS;
559}
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