source: MondoRescue/branches/2.2.8/mondo/src/mondoarchive/mondoarchive.c @ 2053

Last change on this file since 2053 was 2053, checked in by Bruno Cornec, 12 years ago

register-pid is gone

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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: mondoarchive.c 2053 2008-10-23 13:16:34Z 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 "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: mondoarchive.c 2053 2008-10-23 13:16:34Z bruno $";
37
38/************************* external variables *************************/
39extern void set_signals(int);
40extern int g_current_media_number;
41extern int g_currentY;
42extern bool g_text_mode;
43extern char *g_boot_mountpt;
44extern bool g_remount_floppy_at_end;
45extern char *g_cdrw_drive_is_here;
46static char *g_cdrom_drive_is_here = NULL;
47static char *g_dvd_drive_is_here = NULL;
48extern double g_kernel_version;
49
50/***************** global vars, used only by main.c ******************/
51long diffs;
52
53extern t_bkptype g_backup_media_type;
54extern int g_loglevel;
55
56/**
57 * Whether we're restoring from ISOs. Obviously not, since this is the
58 * backup program.
59 * @note You @b MUST declare this variable somewhere in your program if
60 * you use libmondo. Otherwise the link will fail.
61 * @ingroup globalGroup
62 */
63bool g_ISO_restore_mode = FALSE;
64
65/* Do we use extended attributes and acl ?
66 *  * By default no, use --acl & --attr options to force their usage */
67char *g_getfacl = NULL;
68char *g_getfattr = NULL;
69
70/* Reference to global bkpinfo */
71struct s_bkpinfo *bkpinfo;
72
73/* To be coded */
74void free_MR_global_filenames(void) {
75}
76
77/****************** subroutines used only by main.c ******************/
78
79
80/**
81 * Print a "don't panic" message to the log and a message about the logfile to the screen.
82 */
83void welcome_to_mondoarchive(void)
84{
85    char *tmp = NULL;
86
87    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
88            PACKAGE_VERSION);
89    log_msg(0, "running %s binaries", get_architecture());
90    tmp = get_uname_m();
91    log_msg(0, "running on %s architecture", tmp);
92    free(tmp);
93    log_msg(0,
94            "-----------------------------------------------------------");
95    log_msg(0,
96            "NB: Mondo logs almost everything, so don't panic if you see");
97    log_msg(0,
98            "some error messages.  Please read them carefully before you");
99    log_msg(0,
100            "decide to break out in a cold sweat.    Despite (or perhaps");
101    log_msg(0,
102            "because of) the wealth of messages. some users are inclined");
103    log_msg(0,
104            "to stop reading this log. If Mondo stopped for some reason,");
105    log_msg(0,
106            "chances are it's detailed here.  More than likely there's a");
107    log_msg(0,
108            "message at the very end of this log that will tell you what");
109    log_msg(0,
110            "is wrong. Please read it!                          -Devteam");
111    log_msg(0,
112            "-----------------------------------------------------------");
113
114    log_msg(0, "Zero...");
115    log_msg(1, "One...");
116    log_msg(2, "Two...");
117    log_msg(3, "Three...");
118    log_msg(4, "Four...");
119    log_msg(5, "Five...");
120    log_msg(6, "Six...");
121    log_msg(7, "Seven...");
122    log_msg(8, "Eight...");
123    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
124}
125
126
127extern char *g_magicdev_command;
128
129/**
130 * Do whatever is necessary to insure a successful backup on the Linux distribution
131 * of the day.
132 */
133void distro_specific_kludges_at_start_of_mondoarchive(void)
134{
135    log_msg(2, "Unmounting old ramdisks if necessary");
136    stop_magicdev_if_necessary();   // for RH+Gnome users
137    /*
138    run_program_and_log_output
139        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
140        */
141    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
142    //  stop_autofs_if_necessary(); // for Xandros users
143    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
144    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
145}
146
147
148
149/**
150 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
151 */
152void distro_specific_kludges_at_end_of_mondoarchive(void)
153{
154//  char tmp[500];
155    log_msg(2, "Restarting magicdev if necessary");
156    sync();
157    restart_magicdev_if_necessary();    // for RH+Gnome users
158
159    log_msg(2, "Restarting autofs if necessary");
160    sync();
161    //  restart_autofs_if_necessary(); // for Xandros users
162
163    log_msg(2, "Restarting supermounts if necessary");
164    sync();
165    remount_supermounts_if_necessary(); // for Mandrake users
166
167    log_msg(2, "Unmounting /boot if necessary");
168    sync();
169    unmount_boot_if_necessary();    // for Gentoo users
170
171//  log_msg( 2, "Cleaning up KDE desktop");
172//  clean_up_KDE_desktop_if_necessary();
173}
174
175
176/**
177 * Backup/verify the user's data.
178 * What did you think it did, anyway? :-)
179 */
180int main(int argc, char *argv[])
181{
182    char *tmp;
183    int res, retval;
184    char *say_at_end;
185
186/* Make sure I'm root; abort if not */
187    if (getuid() != 0) {
188        fprintf(stderr, "Please run as root.\r\n");
189        exit(127);
190    }
191
192/* If -V, -v or --version then echo version no. and quit */
193    if (argc == 2
194        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
195            || !strcmp(argv[argc - 1], "--version"))) {
196        printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
197        exit(0);
198    }
199
200/* Initialize variables */
201
202    printf("Initializing...\n");
203    if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
204        fatal_error("Cannot malloc bkpinfo");
205    }
206    reset_bkpinfo();
207
208    res = 0;
209    retval = 0;
210    diffs = 0;
211    malloc_string(tmp);
212    malloc_string(say_at_end);
213    say_at_end[0] = '\0';
214    malloc_libmondo_global_strings();
215
216    /* initialize log file with time stamp */
217    unlink(MONDO_LOGFILE);
218    log_msg(0, "Time started: %s", mr_date());
219
220    /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
221    strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
222    tmp[MAX_STR_LEN - 1] = '\0';
223    if (strlen(tmp) >= MAX_STR_LEN - 33) {
224        fatal_error
225            ("Your PATH environmental variable is too long. Please shorten it.");
226    }
227    strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
228    setenv("PATH", tmp, 1);
229
230    /* Add the ARCH environment variable for ia64 purposes */
231    strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
232    tmp[MAX_STR_LEN - 1] = '\0';
233    setenv("ARCH", tmp, 1);
234
235    /* Add MONDO_SHARE environment variable for mindi */
236    setenv_mondo_share();
237
238    /* Configure the bkpinfo structure, global file paths, etc. */
239    g_main_pid = getpid();
240    log_msg(9, "This");
241
242    set_signals(TRUE);          // catch SIGTERM, etc.
243    run_program_and_log_output("dmesg -n1", TRUE);
244
245    log_msg(9, "Next");
246    make_hole_for_dir(MONDO_CACHE);
247
248    welcome_to_mondoarchive();
249    distro_specific_kludges_at_start_of_mondoarchive();
250    g_kernel_version = get_kernel_version();
251
252    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
253        g_loglevel = 10;
254        g_text_mode = TRUE;
255        setup_newt_stuff();
256        if (!strstr(argv[2], "filelist")) {
257            printf("Sorry - filelist goes first\n");
258            finish(1);
259        } else {
260            finish(get_fattr_list(argv[2], argv[3]));
261        }
262        finish(0);
263    }
264    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
265        g_loglevel = 10;
266//      chdir("/tmp");
267        g_text_mode = TRUE;
268        setup_newt_stuff();
269        finish(set_fattr_list(argv[2], argv[3]));
270    }
271
272    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
273        g_loglevel = 10;
274        g_text_mode = TRUE;
275        setup_newt_stuff();
276        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
277        printf("in=%s; out=%s\n", argv[2], tmp);
278        finish(1);
279    }
280
281    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
282        g_loglevel = 10;
283        g_text_mode = TRUE;
284        setup_newt_stuff();
285        if (!strstr(argv[2], "filelist")) {
286            printf("Sorry - filelist goes first\n");
287            finish(1);
288        } else {
289            finish(get_acl_list(argv[2], argv[3]));
290        }
291        finish(0);
292    }
293    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
294        g_loglevel = 10;
295//      chdir("/tmp");
296        g_text_mode = TRUE;
297        setup_newt_stuff();
298        finish(set_acl_list(argv[2], argv[3]));
299    }
300
301    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
302        g_loglevel = 10;
303        g_text_mode = TRUE;
304        setup_newt_stuff();
305        if (find_cdrw_device(tmp)) {
306            printf("Failed to find CDR-RW drive\n");
307        } else {
308            printf("CD-RW is at %s\n", tmp);
309        }
310        tmp[0] = '\0';
311        if (find_cdrom_device(tmp, atoi(argv[2]))) {
312            printf("Failed to find CD-ROM drive\n");
313        } else {
314            printf("CD-ROM is at %s\n", tmp);
315        }
316        finish(0);
317    }
318
319    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
320        g_loglevel = 10;
321        g_text_mode = TRUE;
322        setup_newt_stuff();
323        if (find_dvd_device(tmp, atoi(argv[2]))) {
324            printf("Failed to find DVD drive\n");
325        } else {
326            printf("DVD is at %s\n", tmp);
327        }
328        finish(0);
329    }
330
331    if (argc > 2 && !strcmp(argv[1], "disksize")) {
332        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
333        finish(0);
334    }
335    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
336        if (is_dev_an_NTFS_dev(argv[2])) {
337            printf("%s is indeed an NTFS dev\n", argv[2]);
338        } else {
339            printf("%s is _not_ an NTFS dev\n", argv[2]);
340        }
341        finish(0);
342    }
343
344    if (pre_param_configuration()) {
345        fatal_error
346            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
347    }
348
349/* Process command line, if there is one. If not, ask user for info. */
350    if (argc == 1) {
351        g_text_mode = FALSE;
352        setup_newt_stuff();
353        res = interactively_obtain_media_parameters_from_user(TRUE);    /* yes, archiving */
354        if (res) {
355            fatal_error
356                ("Syntax error. Please review the parameters you have supplied and try again.");
357        }
358    } else {
359        res = handle_incoming_parameters(argc, argv);
360        if (res) {
361            printf
362                ("Errors were detected in the command line you supplied.\n");
363            printf("Please review the log file - %s\n", MONDO_LOGFILE );
364            log_msg(1, "Mondoarchive will now exit.");
365            finish(1);
366        }
367        setup_newt_stuff();
368    }
369
370/* Finish configuring global structures */
371    if (post_param_configuration()) {
372        fatal_error
373            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
374    }
375
376    log_to_screen
377        ("BusyBox's sources are available from http://www.busybox.net");
378
379    /* If we're meant to backup then backup */
380    if (bkpinfo->backup_data) {
381        res = backup_data();
382        retval += res;
383        if (res) {
384            strcat(say_at_end,
385                   "Data archived. Please check the logs, just as a precaution. ");
386        } else {
387            strcat(say_at_end, "Data archived OK. ");
388        }
389    }
390
391/* If we're meant to verify then verify */
392    if (bkpinfo->verify_data) {
393        res = verify_data();
394        if (res < 0) {
395            sprintf(tmp, "%d difference%c found.", -res,
396                    (-res != 1) ? 's' : ' ');
397            strcat(say_at_end, tmp);
398            log_to_screen(tmp);
399            res = 0;
400        }
401        retval += res;
402    }
403
404/* Report result of entire operation (success? errors?) */
405    if (!retval) {
406        mvaddstr_and_log_it(g_currentY++, 0,
407                            "Backup and/or verify ran to completion. Everything appears to be fine.");
408    } else {
409        mvaddstr_and_log_it(g_currentY++, 0,
410                            "Backup and/or verify ran to completion. However, errors did occur.");
411    }
412
413    if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
414        log_to_screen
415            (MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it.");
416    }
417
418    if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
419        if (g_text_mode) {
420            log_to_screen("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
421        } else {
422            log_msg(1, "Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
423            log_msg(2, "Calling popup_changelist_from_file()");
424            popup_changelist_from_file(MONDO_CACHE"/changed.files");
425            log_msg(2, "Returned from popup_changelist_from_file()");
426        }
427    } else {
428        unlink(MONDO_CACHE"/changed.files");
429    }
430    log_to_screen(say_at_end);
431    sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
432    run_program_and_log_output(tmp, TRUE);
433    if (bkpinfo->backup_media_type == usb) {
434        log_msg(1, "Unmounting USB device.");
435        sprintf(tmp, "umount %s1", bkpinfo->media_device);
436        run_program_and_log_output(tmp, TRUE);
437    }
438
439    run_program_and_log_output("mount", 2);
440
441    system("rm -f "MONDO_CACHE"/last-backup.aborted");
442    if (!retval) {
443        printf("Mondoarchive ran OK.\n");
444    } else {
445        printf("Errors occurred during backup. Please check logfile.\n");
446    }
447    distro_specific_kludges_at_end_of_mondoarchive();
448    set_signals(FALSE);
449
450    free_libmondo_global_strings();
451    paranoid_free(say_at_end);
452   
453
454    if (!g_cdrom_drive_is_here) {
455        log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
456    }
457    if (!g_dvd_drive_is_here) {
458        log_msg(10, "FYI, g_dvd_drive_is_here was never used");
459    }
460
461    /* finalize log file with time stamp */
462    log_msg(0, "Time finished: %s", mr_date());
463
464    chdir("/tmp");
465
466    if (!g_text_mode) {
467        popup_and_OK
468            ("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
469        log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
470    } else {
471        printf("See %s for details of backup run.\n", MONDO_LOGFILE);
472    }
473    finish(retval);
474
475    return EXIT_SUCCESS;
476}
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