source: trunk/mondo/mondo/mondoarchive/main.c @ 507

Last change on this file since 507 was 507, checked in by bcornec, 14 years ago

merge -r489:506 $SVN_M/branches/stable

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1/*
2 * $Id: main.c 507 2006-04-30 00:04:16Z bcornec $
3 *                                                                         *
4 *   This program is free software; you can redistribute it and/or modify  *
5 *   it under the terms of the GNU General Public License as published by  *
6 *   the Free Software Foundation; either version 2 of the License, or     *
7 *   (at your option) any later version.                                   *
8 *                                                                         *
9 ***************************************************************************
10 * The main file for mondoarchive.
11 */
12
13/************************* #include statements *************************/
14#ifndef S_SPLINT_S
15#include <pthread.h>
16#endif
17#include <stdio.h>
18#include <stdlib.h>
19#include "../common/my-stuff.h"
20#include "../common/mondostructures.h"
21#include "../common/libmondo.h"
22#include "mondo-cli-EXT.h"
23
24// for CVS
25//static char cvsid[] = "$Id: main.c 507 2006-04-30 00:04:16Z bcornec $";
26
27/************************* external variables *************************/
28extern void set_signals(int);
29extern int g_current_media_number;
30extern void register_pid(pid_t, char *);
31extern int g_currentY;
32extern bool g_text_mode;
33extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
34extern char *g_mondo_home;
35extern char *g_tmpfs_mountpt;
36extern char *g_erase_tmpdir_and_scratchdir;
37extern double g_kernel_version;
38
39/***************** global vars, used only by main.c ******************/
40bool g_skip_floppies;
41long diffs;
42
43extern t_bkptype g_backup_media_type;
44extern int g_loglevel;
45
46/****************** subroutines used only by main.c ******************/
47
48
49/**
50 * Print a "don't panic" message to the log and a message about the logfile to the screen.
51 */
52void welcome_to_mondoarchive()
53{
54    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
55            PACKAGE_VERSION);
56    log_msg(0, "running on %s architecture", get_architecture());
57    log_msg(0,
58            "-----------------------------------------------------------");
59    log_msg(0,
60            "NB: Mondo logs almost everything, so don't panic if you see");
61    log_msg(0,
62            "some error messages.  Please read them carefully before you");
63    log_msg(0,
64            "decide to break out in a cold sweat.    Despite (or perhaps");
65    log_msg(0,
66            "because of) the wealth of messages. some users are inclined");
67    log_msg(0,
68            "to stop reading this log. If Mondo stopped for some reason,");
69    log_msg(0,
70            "chances are it's detailed here.  More than likely there's a");
71    log_msg(0,
72            "message at the very end of this log that will tell you what");
73    log_msg(0,
74            "is wrong. Please read it!                          -Devteam");
75    log_msg(0,
76            "-----------------------------------------------------------");
77
78    log_msg(0, "Zero...");
79    log_msg(1, "One...");
80    log_msg(2, "Two...");
81    log_msg(3, "Three...");
82    log_msg(4, "Four...");
83    log_msg(5, "Five...");
84    log_msg(6, "Six...");
85    log_msg(7, "Seven...");
86    log_msg(8, "Eight...");
87    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
88}
89
90
91extern char *g_magicdev_command;
92
93/**
94 * Do whatever is necessary to insure a successful backup on the Linux distribution
95 * of the day.
96 */
97void distro_specific_kludges_at_start_of_mondoarchive()
98{
99    log_msg(2, "Unmounting old ramdisks if necessary");
100    stop_magicdev_if_necessary();   // for RH+Gnome users
101    run_program_and_log_output
102        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
103    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
104    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
105    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
106}
107
108
109/**
110 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
111 */
112void distro_specific_kludges_at_end_of_mondoarchive()
113{
114    log_msg(2, "Restarting magicdev if necessary");
115    sync();
116    restart_magicdev_if_necessary();    // for RH+Gnome users
117
118    log_msg(2, "Restarting supermounts if necessary");
119    sync();
120    remount_supermounts_if_necessary(); // for Mandrake users
121
122    log_msg(2, "Unmounting /boot if necessary");
123    sync();
124    unmount_boot_if_necessary();    // for Gentoo users
125}
126
127
128/**
129 * Backup/verify the user's data.
130 * What did you think it did, anyway? :-)
131 */
132int main(int argc, char *argv[])
133{
134    struct s_bkpinfo *bkpinfo;
135    char *tmp;
136    int res = 0;
137    int retval = 0;
138    char *say_at_end = NULL;
139
140#ifdef ENABLE_NLS
141    setlocale(LC_ALL, "");
142    (void) textdomain("mondo");
143#endif
144/* Make sure I'm root; abort if not */
145    if (getuid() != 0) {
146        fprintf(stderr, _("Please run as root.\n"));
147        exit(127);
148    }
149
150/* If -V, -v or --version then echo version no. and quit */
151    if (argc == 2
152        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
153            || !strcmp(argv[argc - 1], "--version"))) {
154        printf(_("mondoarchive v%s\nSee man page for help\n"), PACKAGE_VERSION);
155        exit(0);
156    }
157
158/* Initialize variables */
159
160    malloc_libmondo_global_strings();
161
162    diffs = 0;
163    printf(_("Initializing...\n"));
164    if (!(bkpinfo = malloc(sizeof(struct s_bkpinfo)))) {
165        fatal_error("Cannot malloc bkpinfo");
166    }
167
168
169/* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
170    asprintf(&tmp, "/sbin:/usr/sbin:%s:/usr/local/sbin", getenv("PATH"));
171    setenv("PATH", tmp, 1);
172    paranoid_free(tmp);
173
174/* Add the ARCH environment variable for ia64 purposes */
175    setenv("ARCH", get_architecture(), 1);
176
177    /* Add MONDO_SHARE environment variable for mindi */
178    setenv_mondo_share();
179
180    unlink(MONDO_LOGFILE);
181
182/* Configure the bkpinfo structure, global file paths, etc. */
183    g_main_pid = getpid();
184    log_msg(9, "This");
185
186    register_pid(g_main_pid, "mondo");
187    set_signals(TRUE);          // catch SIGTERM, etc.
188    run_program_and_log_output("date", 1);
189    run_program_and_log_output("dmesg -n1", TRUE);
190
191    log_msg(9, "Next");
192    welcome_to_mondoarchive();
193    distro_specific_kludges_at_start_of_mondoarchive();
194    // BERLIOS : too early, bkpinfo is not initialized ??
195    //sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir, bkpinfo->scratchdir);
196    g_kernel_version = get_kernel_version();
197
198    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
199        g_loglevel = 10;
200        g_text_mode = TRUE;
201        setup_newt_stuff();
202        if (!strstr(argv[2], "filelist")) {
203            printf(_("Sorry - filelist goes first\n"));
204            finish(1);
205        } else {
206            finish(get_fattr_list(argv[2], argv[3]));
207        }
208        finish(0);
209    }
210    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
211        g_loglevel = 10;
212        g_text_mode = TRUE;
213        setup_newt_stuff();
214        finish(set_fattr_list(argv[2], argv[3]));
215    }
216
217    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
218        g_loglevel = 10;
219        g_text_mode = TRUE;
220        setup_newt_stuff();
221        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
222        printf("in=%s; out=%s\n", argv[2], tmp);
223        paranoid_free(tmp);
224        finish(1);
225    }
226
227    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
228        g_loglevel = 10;
229        g_text_mode = TRUE;
230        setup_newt_stuff();
231        if (!strstr(argv[2], "filelist")) {
232            printf(_("Sorry - filelist goes first\n"));
233            finish(1);
234        } else {
235            finish(get_acl_list(argv[2], argv[3]));
236        }
237        finish(0);
238    }
239    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
240        g_loglevel = 10;
241        g_text_mode = TRUE;
242        setup_newt_stuff();
243        finish(set_acl_list(argv[2], argv[3]));
244    }
245
246    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
247        g_loglevel = 10;
248        g_text_mode = TRUE;
249        setup_newt_stuff();
250        if ((tmp = find_cdrw_device()) == NULL) {
251            printf(_("Failed to find CDR-RW drive\n"));
252        } else {
253            printf(_("CD-RW is at %s\n"), tmp);
254        }
255        paranoid_free(tmp);
256
257        if ((tmp = find_cdrom_device(FALSE)) == NULL) {
258            printf(_("Failed to find CD-ROM drive\n"));
259        } else {
260            printf(_("CD-ROM is at %s\n"), tmp);
261        }
262        paranoid_free(tmp);
263        finish(0);
264    }
265
266    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
267        g_loglevel = 10;
268        g_text_mode = TRUE;
269        setup_newt_stuff();
270        if ((tmp = find_dvd_device()) == NULL) {
271            printf(_("Failed to find DVD drive\n"));
272        } else {
273            printf(_("DVD is at %s\n"), tmp);
274        }
275        paranoid_free(tmp);
276        finish(0);
277    }
278
279    if (argc > 2 && !strcmp(argv[1], "disksize")) {
280        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
281        finish(0);
282    }
283    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
284        if (is_dev_an_NTFS_dev(argv[2])) {
285            printf(_("%s is indeed an NTFS dev\n"), argv[2]);
286        } else {
287            printf(_("%s is _not_ an NTFS dev\n"), argv[2]);
288        }
289        finish(0);
290    }
291
292    if (pre_param_configuration(bkpinfo)) {
293        fatal_error
294            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
295    }
296
297/* Process command line, if there is one. If not, ask user for info. */
298    if (argc == 1) {
299        g_text_mode = FALSE;
300        setup_newt_stuff();
301        res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE);   /* yes, archiving */
302        if (res) {
303            fatal_error
304                ("Syntax error. Please review the parameters you have supplied and try again.");
305        }
306    } else {
307        res = handle_incoming_parameters(argc, argv, bkpinfo);
308        if (res) {
309            printf
310                (_("Errors were detected in the command line you supplied.\n"));
311            printf(_("Please review the log file - %s \n"),MONDO_LOGFILE);
312            log_msg(1, "Mondoarchive will now exit.");
313            finish(1);
314        }
315        setup_newt_stuff();
316    }
317
318/* Finish configuring global structures */
319    if (post_param_configuration(bkpinfo)) {
320        fatal_error
321            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
322    }
323
324    log_to_screen
325        (_("BusyBox's sources are available from http://www.busybox.net"));
326
327    /* If we're meant to backup then backup */
328    if (bkpinfo->backup_data) {
329        res = backup_data(bkpinfo);
330        retval += res;
331        if (res) {
332            asprintf(&say_at_end,
333                   _("Data archived. Please check the logs, just as a precaution. "));
334        } else {
335            asprintf(&say_at_end, _("Data archived OK. "));
336        }
337    }
338
339/* If we're meant to verify then verify */
340    if (bkpinfo->verify_data) {
341        res = verify_data(bkpinfo);
342        if (res < 0) {
343            asprintf(&say_at_end, _("%d difference%c found."), -res,
344                    (-res != 1) ? 's' : ' ');
345            res = 0;
346        }
347        retval += res;
348    }
349
350    /* Offer to write floppy disk images to physical disks */
351    if (bkpinfo->backup_data && !g_skip_floppies) {
352        res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
353        retval += res;
354    }
355
356    /* Report result of entire operation (success? errors?) */
357    if (retval == 0) {
358        mvaddstr_and_log_it(g_currentY++, 0,
359                            _("Backup and/or verify ran to completion. Everything appears to be fine."));
360    } else {
361        mvaddstr_and_log_it(g_currentY++, 0,
362                            _("Backup and/or verify ran to completion. However, errors did occur."));
363    }
364
365    if (does_file_exist("/root/images/mindi/mondorescue.iso")) {
366        log_to_screen
367            (_("/root/images/mindi/mondorescue.iso, a boot/utility CD, is available if you want it."));
368    }
369
370
371    if (length_of_file("/tmp/changed.files") > 2) {
372        if (g_text_mode) {
373            log_to_screen
374                (_("Type 'less /tmp/changed.files' to see which files don't match the archives"));
375        } else {
376            log_msg(1,
377                    _("Type 'less /tmp/changed.files' to see which files don't match the archives"));
378            log_msg(2, "Calling popup_changelist_from_file()");
379            popup_changelist_from_file("/tmp/changed.files");
380            log_msg(2, "Returned from popup_changelist_from_file()");
381        }
382    } else {
383        unlink("/tmp/changed.files");
384    }
385    log_to_screen(say_at_end);
386    paranoid_free(say_at_end);
387
388    asprintf(&tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
389    run_program_and_log_output(tmp, TRUE);
390    paranoid_free(tmp);
391
392    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
393            bkpinfo->scratchdir);
394    run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
395
396    run_program_and_log_output("mount", 2);
397
398    system("rm -f /var/cache/mondo-archive/last-backup.aborted");
399    system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
400    if (retval == 0) {
401        printf(_("Mondoarchive ran OK.\n"));
402    } else {
403        printf(_("Errors occurred during backup. Please check logfile.\n"));
404    }
405    distro_specific_kludges_at_end_of_mondoarchive();
406    register_pid(0, "mondo");
407    set_signals(FALSE);
408    chdir("/tmp");              // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
409    system(g_erase_tmpdir_and_scratchdir);
410    free_libmondo_global_strings();
411    paranoid_free(bkpinfo);
412
413    unlink("/tmp/filelist.full");
414    unlink("/tmp/filelist.full.gz");
415
416    run_program_and_log_output("date", 1);
417
418    if (!g_text_mode) {
419        popup_and_OK
420            (_("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt."));
421        log_to_screen(_("See %s for details of backup run."), MONDO_LOGFILE);
422        finish(retval);
423    } else {
424        printf(_("See %s for details of backup run.\n"), MONDO_LOGFILE);
425        exit(retval);
426    }
427
428    return EXIT_SUCCESS;
429}
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