source: branches/2.2.6/mondo/src/mondoarchive/main.c @ 1918

Last change on this file since 1918 was 1918, checked in by Bruno Cornec, 12 years ago

removal of g_skip_floppies now useless

  • Property svn:keywords set to Id
File size: 13.5 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 1918 2008-04-16 23:40:13Z 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/**
20 * @file
21 * The main file for mondoarchive.
22 */
23
24/************************* #include statements *************************/
25#include <pthread.h>
26#include <stdio.h>
27#include <stdlib.h>
28#include "../common/my-stuff.h"
29#include "../common/mondostructures.h"
30#include "../common/libmondo.h"
31#include "../common/libmondo-cli-EXT.h"
32#include "../common/libmondo-tools-EXT.h"
33#include "mondoarchive.h"
34
35// for CVS
36//static char cvsid[] = "$Id: main.c 1918 2008-04-16 23:40:13Z bruno $";
37
38/************************* external variables *************************/
39extern void set_signals(int);
40extern int g_current_media_number;
41extern void register_pid(pid_t, char *);
42extern int g_currentY;
43extern bool g_text_mode;
44extern char *g_boot_mountpt;
45extern bool g_remount_floppy_at_end;
46extern char *g_cdrw_drive_is_here;
47static char *g_cdrom_drive_is_here = NULL;
48static char *g_dvd_drive_is_here = NULL;
49extern double g_kernel_version;
50
51/***************** global vars, used only by main.c ******************/
52long diffs;
53
54extern t_bkptype g_backup_media_type;
55extern int g_loglevel;
56
57/**
58 * Whether we're restoring from ISOs. Obviously not, since this is the
59 * backup program.
60 * @note You @b MUST declare this variable somewhere in your program if
61 * you use libmondo. Otherwise the link will fail.
62 * @ingroup globalGroup
63 */
64bool g_ISO_restore_mode = FALSE;
65
66/* Do we use extended attributes and acl ?
67 *  * By default no, use --acl & --attr options to force their usage */
68char *g_getfacl = NULL;
69char *g_getfattr = NULL;
70
71/* Reference to global bkpinfo */
72struct s_bkpinfo *bkpinfo;
73
74/****************** subroutines used only by main.c ******************/
75
76
77/**
78 * Print a "don't panic" message to the log and a message about the logfile to the screen.
79 */
80void welcome_to_mondoarchive(void)
81{
82    char *tmp = NULL;
83
84    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
85            PACKAGE_VERSION);
86    log_msg(0, "running %s binaries", get_architecture());
87    tmp = get_uname_m();
88    log_msg(0, "running on %s architecture", tmp);
89    free(tmp);
90    log_msg(0,
91            "-----------------------------------------------------------");
92    log_msg(0,
93            "NB: Mondo logs almost everything, so don't panic if you see");
94    log_msg(0,
95            "some error messages.  Please read them carefully before you");
96    log_msg(0,
97            "decide to break out in a cold sweat.    Despite (or perhaps");
98    log_msg(0,
99            "because of) the wealth of messages. some users are inclined");
100    log_msg(0,
101            "to stop reading this log. If Mondo stopped for some reason,");
102    log_msg(0,
103            "chances are it's detailed here.  More than likely there's a");
104    log_msg(0,
105            "message at the very end of this log that will tell you what");
106    log_msg(0,
107            "is wrong. Please read it!                          -Devteam");
108    log_msg(0,
109            "-----------------------------------------------------------");
110
111    log_msg(0, "Zero...");
112    log_msg(1, "One...");
113    log_msg(2, "Two...");
114    log_msg(3, "Three...");
115    log_msg(4, "Four...");
116    log_msg(5, "Five...");
117    log_msg(6, "Six...");
118    log_msg(7, "Seven...");
119    log_msg(8, "Eight...");
120    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
121}
122
123
124extern char *g_magicdev_command;
125
126/**
127 * Do whatever is necessary to insure a successful backup on the Linux distribution
128 * of the day.
129 */
130void distro_specific_kludges_at_start_of_mondoarchive(void)
131{
132    log_msg(2, "Unmounting old ramdisks if necessary");
133    stop_magicdev_if_necessary();   // for RH+Gnome users
134    run_program_and_log_output
135        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
136    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
137    //  stop_autofs_if_necessary(); // for Xandros users
138    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
139    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
140}
141
142
143
144/**
145 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
146 */
147void distro_specific_kludges_at_end_of_mondoarchive(void)
148{
149//  char tmp[500];
150    log_msg(2, "Restarting magicdev if necessary");
151    sync();
152    restart_magicdev_if_necessary();    // for RH+Gnome users
153
154    log_msg(2, "Restarting autofs if necessary");
155    sync();
156    //  restart_autofs_if_necessary(); // for Xandros users
157
158    log_msg(2, "Restarting supermounts if necessary");
159    sync();
160    remount_supermounts_if_necessary(); // for Mandrake users
161
162    log_msg(2, "Unmounting /boot if necessary");
163    sync();
164    unmount_boot_if_necessary();    // for Gentoo users
165
166//  log_msg( 2, "Cleaning up KDE desktop");
167//  clean_up_KDE_desktop_if_necessary();
168}
169
170
171/**
172 * Backup/verify the user's data.
173 * What did you think it did, anyway? :-)
174 */
175int main(int argc, char *argv[])
176{
177    char *tmp;
178    int res, retval;
179    char *say_at_end;
180
181/* Make sure I'm root; abort if not */
182    if (getuid() != 0) {
183        fprintf(stderr, "Please run as root.\r\n");
184        exit(127);
185    }
186
187/* If -V, -v or --version then echo version no. and quit */
188    if (argc == 2
189        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
190            || !strcmp(argv[argc - 1], "--version"))) {
191        printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
192        exit(0);
193    }
194
195/* Initialize variables */
196
197    printf("Initializing...\n");
198    if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
199        fatal_error("Cannot malloc bkpinfo");
200    }
201    reset_bkpinfo();
202
203    res = 0;
204    retval = 0;
205    diffs = 0;
206    malloc_string(tmp);
207    malloc_string(say_at_end);
208    say_at_end[0] = '\0';
209    malloc_libmondo_global_strings();
210
211    /* initialize log file with time stamp */
212    unlink(MONDO_LOGFILE);
213    log_msg(0, "Time started: %s", mr_date());
214
215    /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
216    strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
217    tmp[MAX_STR_LEN - 1] = '\0';
218    if (strlen(tmp) >= MAX_STR_LEN - 33) {
219        fatal_error
220            ("Your PATH environmental variable is too long. Please shorten it.");
221    }
222    strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
223    setenv("PATH", tmp, 1);
224
225    /* Add the ARCH environment variable for ia64 purposes */
226    strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
227    tmp[MAX_STR_LEN - 1] = '\0';
228    setenv("ARCH", tmp, 1);
229
230    /* Add MONDO_SHARE environment variable for mindi */
231    setenv_mondo_share();
232
233    /* Configure the bkpinfo structure, global file paths, etc. */
234    g_main_pid = getpid();
235    log_msg(9, "This");
236
237    register_pid(g_main_pid, "mondo");
238    set_signals(TRUE);          // catch SIGTERM, etc.
239    run_program_and_log_output("dmesg -n1", TRUE);
240
241    log_msg(9, "Next");
242    make_hole_for_dir(MONDO_CACHE);
243
244    welcome_to_mondoarchive();
245    distro_specific_kludges_at_start_of_mondoarchive();
246    g_kernel_version = get_kernel_version();
247
248    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
249        g_loglevel = 10;
250        g_text_mode = TRUE;
251        setup_newt_stuff();
252        if (!strstr(argv[2], "filelist")) {
253            printf("Sorry - filelist goes first\n");
254            finish(1);
255        } else {
256            finish(get_fattr_list(argv[2], argv[3]));
257        }
258        finish(0);
259    }
260    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
261        g_loglevel = 10;
262//      chdir("/tmp");
263        g_text_mode = TRUE;
264        setup_newt_stuff();
265        finish(set_fattr_list(argv[2], argv[3]));
266    }
267
268    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
269        g_loglevel = 10;
270        g_text_mode = TRUE;
271        setup_newt_stuff();
272        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
273        printf("in=%s; out=%s\n", argv[2], tmp);
274        finish(1);
275    }
276
277    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
278        g_loglevel = 10;
279        g_text_mode = TRUE;
280        setup_newt_stuff();
281        if (!strstr(argv[2], "filelist")) {
282            printf("Sorry - filelist goes first\n");
283            finish(1);
284        } else {
285            finish(get_acl_list(argv[2], argv[3]));
286        }
287        finish(0);
288    }
289    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
290        g_loglevel = 10;
291//      chdir("/tmp");
292        g_text_mode = TRUE;
293        setup_newt_stuff();
294        finish(set_acl_list(argv[2], argv[3]));
295    }
296
297    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
298        g_loglevel = 10;
299        g_text_mode = TRUE;
300        setup_newt_stuff();
301        if (find_cdrw_device(tmp)) {
302            printf("Failed to find CDR-RW drive\n");
303        } else {
304            printf("CD-RW is at %s\n", tmp);
305        }
306        tmp[0] = '\0';
307        if (find_cdrom_device(tmp, atoi(argv[2]))) {
308            printf("Failed to find CD-ROM drive\n");
309        } else {
310            printf("CD-ROM is at %s\n", tmp);
311        }
312        finish(0);
313    }
314
315    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
316        g_loglevel = 10;
317        g_text_mode = TRUE;
318        setup_newt_stuff();
319        if (find_dvd_device(tmp, atoi(argv[2]))) {
320            printf("Failed to find DVD drive\n");
321        } else {
322            printf("DVD is at %s\n", tmp);
323        }
324        finish(0);
325    }
326
327    if (argc > 2 && !strcmp(argv[1], "disksize")) {
328        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
329        finish(0);
330    }
331    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
332        if (is_dev_an_NTFS_dev(argv[2])) {
333            printf("%s is indeed an NTFS dev\n", argv[2]);
334        } else {
335            printf("%s is _not_ an NTFS dev\n", argv[2]);
336        }
337        finish(0);
338    }
339
340    if (pre_param_configuration()) {
341        fatal_error
342            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
343    }
344
345/* Process command line, if there is one. If not, ask user for info. */
346    if (argc == 1) {
347        g_text_mode = FALSE;
348        setup_newt_stuff();
349        res = interactively_obtain_media_parameters_from_user(TRUE);    /* yes, archiving */
350        if (res) {
351            fatal_error
352                ("Syntax error. Please review the parameters you have supplied and try again.");
353        }
354    } else {
355        res = handle_incoming_parameters(argc, argv);
356        if (res) {
357            printf
358                ("Errors were detected in the command line you supplied.\n");
359            printf("Please review the log file - %s\n", MONDO_LOGFILE );
360            log_msg(1, "Mondoarchive will now exit.");
361            finish(1);
362        }
363        setup_newt_stuff();
364    }
365
366/* Finish configuring global structures */
367    if (post_param_configuration()) {
368        fatal_error
369            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
370    }
371
372    log_to_screen
373        ("BusyBox's sources are available from http://www.busybox.net");
374
375    /* If we're meant to backup then backup */
376    if (bkpinfo->backup_data) {
377        res = backup_data();
378        retval += res;
379        if (res) {
380            strcat(say_at_end,
381                   "Data archived. Please check the logs, just as a precaution. ");
382        } else {
383            strcat(say_at_end, "Data archived OK. ");
384        }
385    }
386
387/* If we're meant to verify then verify */
388    if (bkpinfo->verify_data) {
389        res = verify_data();
390        if (res < 0) {
391            sprintf(tmp, "%d difference%c found.", -res,
392                    (-res != 1) ? 's' : ' ');
393            strcat(say_at_end, tmp);
394            log_to_screen(tmp);
395            res = 0;
396        }
397        retval += res;
398    }
399
400/* Report result of entire operation (success? errors?) */
401    if (!retval) {
402        mvaddstr_and_log_it(g_currentY++, 0,
403                            "Backup and/or verify ran to completion. Everything appears to be fine.");
404    } else {
405        mvaddstr_and_log_it(g_currentY++, 0,
406                            "Backup and/or verify ran to completion. However, errors did occur.");
407    }
408
409    if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
410        log_to_screen
411            (MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it.");
412    }
413
414    if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
415        if (g_text_mode) {
416            log_to_screen("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
417        } else {
418            log_msg(1, "Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
419            log_msg(2, "Calling popup_changelist_from_file()");
420            popup_changelist_from_file(MONDO_CACHE"/changed.files");
421            log_msg(2, "Returned from popup_changelist_from_file()");
422        }
423    } else {
424        unlink(MONDO_CACHE"/changed.files");
425    }
426    log_to_screen(say_at_end);
427    sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
428    run_program_and_log_output(tmp, TRUE);
429    if (bkpinfo->backup_media_type == usb) {
430        log_msg(1, "Unmounting USB device.");
431        sprintf(tmp, "umount %s1", bkpinfo->media_device);
432        run_program_and_log_output(tmp, TRUE);
433    }
434
435    run_program_and_log_output("mount", 2);
436
437    system("rm -f "MONDO_CACHE"/last-backup.aborted");
438    if (!retval) {
439        printf("Mondoarchive ran OK.\n");
440    } else {
441        printf("Errors occurred during backup. Please check logfile.\n");
442    }
443    distro_specific_kludges_at_end_of_mondoarchive();
444    register_pid(0, "mondo");
445    set_signals(FALSE);
446
447    free_libmondo_global_strings();
448    paranoid_free(say_at_end);
449   
450
451    if (!g_cdrom_drive_is_here) {
452        log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
453    }
454    if (!g_dvd_drive_is_here) {
455        log_msg(10, "FYI, g_dvd_drive_is_here was never used");
456    }
457
458    /* finalize log file with time stamp */
459    log_msg(0, "Time finished: %s", mr_date());
460
461    chdir("/tmp");
462
463    if (!g_text_mode) {
464        popup_and_OK
465            ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
466        log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
467    } else {
468        printf("See %s for details of backup run.\n", MONDO_LOGFILE);
469    }
470    finish(retval);
471
472    return EXIT_SUCCESS;
473}
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