source: branches/2.2.5/mondo/src/mondoarchive/main.c @ 1784

Last change on this file since 1784 was 1784, checked in by bruno, 12 years ago

Fix mindi for Debian x86_64 where /lib64 is a link

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[1]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
[128]7    cvsid                : $Id: main.c 1784 2007-11-10 22:47:07Z bruno $
[1]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"
[1383]119#include "../common/libmondo-tools-EXT.h"
[1315]120#include "mondoarchive.h"
[1]121
122// for CVS
[128]123//static char cvsid[] = "$Id: main.c 1784 2007-11-10 22:47:07Z bruno $";
[1]124
125/************************* external variables *************************/
126extern void set_signals(int);
127extern int g_current_media_number;
[128]128extern void register_pid(pid_t, char *);
[1]129extern int g_currentY;
130extern bool g_text_mode;
131extern char *g_boot_mountpt;
[1736]132extern bool g_remount_floppy_at_end;
[1]133extern char *g_cdrw_drive_is_here;
[128]134static char *g_cdrom_drive_is_here = NULL;
135static char *g_dvd_drive_is_here = NULL;
[1]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
[1645]145/* Reference to global bkpinfo */
146struct s_bkpinfo *bkpinfo;
147
[1]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 */
[1236]154void welcome_to_mondoarchive(void)
[1]155{
[1375]156    char *tmp = NULL;
157
[128]158    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
[251]159            PACKAGE_VERSION);
[1375]160    log_msg(0, "running %s binaries", get_architecture());
161    tmp = get_uname_m();
162    log_msg(0, "running on %s architecture", tmp);
[1381]163    free(tmp);
[128]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            "-----------------------------------------------------------");
[1]184
[128]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);
[1]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 */
[1236]204void distro_specific_kludges_at_start_of_mondoarchive(void)
[1]205{
[128]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
[1]214}
215
216
217
218/**
219 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
220 */
[1236]221void distro_specific_kludges_at_end_of_mondoarchive(void)
[1]222{
223//  char tmp[500];
[128]224    log_msg(2, "Restarting magicdev if necessary");
225    sync();
226    restart_magicdev_if_necessary();    // for RH+Gnome users
[1]227
[128]228    log_msg(2, "Restarting autofs if necessary");
229    sync();
230    //  restart_autofs_if_necessary(); // for Xandros users
[1]231
[128]232    log_msg(2, "Restarting supermounts if necessary");
233    sync();
234    remount_supermounts_if_necessary(); // for Mandrake users
[1]235
[128]236    log_msg(2, "Unmounting /boot if necessary");
237    sync();
238    unmount_boot_if_necessary();    // for Gentoo users
[1]239
240//  log_msg( 2, "Cleaning up KDE desktop");
241//  clean_up_KDE_desktop_if_necessary();
242}
243
[813]244/* Return a string containing the date */
245char *mr_date(void) {
246   
247    time_t tcurr;
[1]248
[813]249    tcurr = time(NULL);
250    return(ctime(&tcurr));
251}
252
[1]253/*-----------------------------------------------------------*/
254
255
256
257/**
258 * Backup/verify the user's data.
259 * What did you think it did, anyway? :-)
260 */
[128]261int main(int argc, char *argv[])
[1]262{
[128]263    char *tmp;
264    int res, retval;
265    char *say_at_end;
[1]266
267/* Make sure I'm root; abort if not */
[128]268    if (getuid() != 0) {
[541]269        fprintf(stderr, "Please run as root.\r\n");
[128]270        exit(127);
271    }
[1]272
273/* If -V, -v or --version then echo version no. and quit */
[128]274    if (argc == 2
275        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
276            || !strcmp(argv[argc - 1], "--version"))) {
[541]277        printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
[128]278        exit(0);
279    }
[1]280
281/* Initialize variables */
282
[1652]283    printf("Initializing...\n");
284    if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
285        fatal_error("Cannot malloc bkpinfo");
286    }
287    reset_bkpinfo();
[1]288
[128]289    res = 0;
290    retval = 0;
291    diffs = 0;
[1652]292    malloc_string(tmp);
293    malloc_string(say_at_end);
[128]294    say_at_end[0] = '\0';
[1652]295    malloc_libmondo_global_strings();
[1]296
[810]297    /* initialize log file with time stamp */
298    unlink(MONDO_LOGFILE);
[813]299    log_msg(0, "Time started: %s", mr_date());
[1]300
[807]301    /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
[128]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);
[1]310
[807]311    /* Add the ARCH environment variable for ia64 purposes */
[128]312    strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
313    tmp[MAX_STR_LEN - 1] = '\0';
314    setenv("ARCH", tmp, 1);
[1]315
[424]316    /* Add MONDO_SHARE environment variable for mindi */
317    setenv_mondo_share();
[258]318
[807]319    /* Configure the bkpinfo structure, global file paths, etc. */
[128]320    g_main_pid = getpid();
321    log_msg(9, "This");
[1]322
[128]323    register_pid(g_main_pid, "mondo");
324    set_signals(TRUE);          // catch SIGTERM, etc.
325    run_program_and_log_output("dmesg -n1", TRUE);
[1]326
[128]327    log_msg(9, "Next");
[1747]328    make_hole_for_dir(MONDO_CACHE);
329
[128]330    welcome_to_mondoarchive();
331    distro_specific_kludges_at_start_of_mondoarchive();
332    g_kernel_version = get_kernel_version();
[1]333
[128]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")) {
[541]339            printf("Sorry - filelist goes first\n");
[128]340            finish(1);
341        } else {
342            finish(get_fattr_list(argv[2], argv[3]));
343        }
344        finish(0);
[1]345    }
[128]346    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
347        g_loglevel = 10;
[1]348//      chdir("/tmp");
[128]349        g_text_mode = TRUE;
350        setup_newt_stuff();
351        finish(set_fattr_list(argv[2], argv[3]));
[1]352    }
[128]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);
[1]361    }
[128]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")) {
[541]368            printf("Sorry - filelist goes first\n");
[128]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;
[1]377//      chdir("/tmp");
[128]378        g_text_mode = TRUE;
379        setup_newt_stuff();
380        finish(set_acl_list(argv[2], argv[3]));
381    }
[1]382
[128]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)) {
[541]388            printf("Failed to find CDR-RW drive\n");
[128]389        } else {
[541]390            printf("CD-RW is at %s\n", tmp);
[128]391        }
392        tmp[0] = '\0';
393        if (find_cdrom_device(tmp, atoi(argv[2]))) {
[541]394            printf("Failed to find CD-ROM drive\n");
[128]395        } else {
[541]396            printf("CD-ROM is at %s\n", tmp);
[128]397        }
398        finish(0);
399    }
[1]400
[128]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]))) {
[541]406            printf("Failed to find DVD drive\n");
[128]407        } else {
[541]408            printf("DVD is at %s\n", tmp);
[128]409        }
410        finish(0);
411    }
[1]412
[128]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])) {
[541]419            printf("%s is indeed an NTFS dev\n", argv[2]);
[128]420        } else {
[541]421            printf("%s is _not_ an NTFS dev\n", argv[2]);
[128]422        }
423        finish(0);
424    }
425
[1645]426    if (pre_param_configuration()) {
[128]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
[1]431/* Process command line, if there is one. If not, ask user for info. */
[128]432    if (argc == 1) {
433        g_text_mode = FALSE;
434        setup_newt_stuff();
[1645]435        res = interactively_obtain_media_parameters_from_user(TRUE);    /* yes, archiving */
[128]436        if (res) {
437            fatal_error
438                ("Syntax error. Please review the parameters you have supplied and try again.");
439        }
440    } else {
[1645]441        res = handle_incoming_parameters(argc, argv);
[128]442        if (res) {
443            printf
[541]444                ("Errors were detected in the command line you supplied.\n");
[1319]445            printf("Please review the log file - %s\n", MONDO_LOGFILE );
[128]446            log_msg(1, "Mondoarchive will now exit.");
447            finish(1);
448        }
449        setup_newt_stuff();
[1]450    }
451
452/* Finish configuring global structures */
[1645]453    if (post_param_configuration()) {
[128]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    }
[1]457
[128]458    log_to_screen
[541]459        ("BusyBox's sources are available from http://www.busybox.net");
[1]460
[128]461    /* If we're meant to backup then backup */
462    if (bkpinfo->backup_data) {
[1645]463        res = backup_data();
[128]464        retval += res;
465        if (res) {
466            strcat(say_at_end,
[541]467                   "Data archived. Please check the logs, just as a precaution. ");
[128]468        } else {
[541]469            strcat(say_at_end, "Data archived OK. ");
[128]470        }
471    }
[1]472
473/* If we're meant to verify then verify */
[128]474    if (bkpinfo->verify_data) {
[1645]475        res = verify_data();
[128]476        if (res < 0) {
[541]477            sprintf(tmp, "%d difference%c found.", -res,
[128]478                    (-res != 1) ? 's' : ' ');
479            strcat(say_at_end, tmp);
480            log_to_screen(tmp);
481            res = 0;
482        }
483        retval += res;
484    }
[1]485
486/* Offer to write floppy disk images to physical disks */
[128]487    if (bkpinfo->backup_data && !g_skip_floppies) {
[1645]488        res = offer_to_write_boot_floppies_to_physical_disks();
[128]489        retval += res;
[1645]490//      res = offer_to_write_boot_ISO_to_physical_CD();
[1]491//      retval += res;
[128]492    }
[1]493
494/* Report result of entire operation (success? errors?) */
[128]495    if (!retval) {
496        mvaddstr_and_log_it(g_currentY++, 0,
[541]497                            "Backup and/or verify ran to completion. Everything appears to be fine.");
[128]498    } else {
499        mvaddstr_and_log_it(g_currentY++, 0,
[541]500                            "Backup and/or verify ran to completion. However, errors did occur.");
[128]501    }
[1]502
[1437]503    if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
[128]504        log_to_screen
[1437]505            (MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it.");
[128]506    }
[1]507
[1747]508    if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
[128]509        if (g_text_mode) {
[1747]510            log_to_screen("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
[128]511        } else {
[1747]512            log_msg(1, "Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
[128]513            log_msg(2, "Calling popup_changelist_from_file()");
[1747]514            popup_changelist_from_file(MONDO_CACHE"/changed.files");
[128]515            log_msg(2, "Returned from popup_changelist_from_file()");
516        }
517    } else {
[1747]518        unlink(MONDO_CACHE"/changed.files");
[128]519    }
520    log_to_screen(say_at_end);
521    sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
522    run_program_and_log_output(tmp, TRUE);
[1697]523    if (bkpinfo->backup_media_type == usb) {
524        log_msg(1, "Unmounting USB device.");
525        sprintf(tmp, "umount %s1", bkpinfo->media_device);
526        run_program_and_log_output(tmp, TRUE);
527    }
[1]528
[128]529    run_program_and_log_output("mount", 2);
[1]530
[1747]531    system("rm -f "MONDO_CACHE"/last-backup.aborted");
[128]532    if (!retval) {
[541]533        printf("Mondoarchive ran OK.\n");
[128]534    } else {
[541]535        printf("Errors occurred during backup. Please check logfile.\n");
[128]536    }
537    distro_specific_kludges_at_end_of_mondoarchive();
538    register_pid(0, "mondo");
539    set_signals(FALSE);
[1644]540
[128]541    free_libmondo_global_strings();
542    paranoid_free(say_at_end);
[1703]543   
[1]544
[128]545    if (!g_cdrom_drive_is_here) {
546        log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
547    }
548    if (!g_dvd_drive_is_here) {
549        log_msg(10, "FYI, g_dvd_drive_is_here was never used");
550    }
[1]551
[810]552    /* finalize log file with time stamp */
[813]553    log_msg(0, "Time finished: %s", mr_date());
[810]554
[1708]555    chdir("/tmp");
[1644]556
[128]557    if (!g_text_mode) {
558        popup_and_OK
[541]559            ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
560        log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
[128]561    } else {
[541]562        printf("See %s for details of backup run.\n", MONDO_LOGFILE);
[128]563    }
[1703]564    finish(retval);
[128]565
566    return EXIT_SUCCESS;
[1]567}
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