source: trunk/mondo/src/mondoarchive/main.c @ 1081

Last change on this file since 1081 was 1081, checked in by bruno, 12 years ago

merge -r1078:1080 $SVN_M/branches/stable

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1/***************************************************************************
2* $Id: main.c 1081 2007-01-28 22:20:07Z bruno $
3*/
4
5
6/**
7 * @file
8 * The main file for mondoarchive.
9 */
10
11/************************* #include statements *************************/
12#ifndef S_SPLINT_S
13#include <pthread.h>
14#endif
15#include <stdio.h>
16#include <stdlib.h>
17#include "my-stuff.h"
18#include "../common/mondostructures.h"
19#include "../common/libmondo.h"
20#include "mondo-cli-EXT.h"
21
22#include "mr_mem.h"
23
24// for CVS
25//static char cvsid[] = "$Id: main.c 1081 2007-01-28 22:20:07Z bruno $";
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_erase_tmpdir_and_scratchdir;
36extern double g_kernel_version;
37
38/***************** global vars, used only by main.c ******************/
39bool g_skip_floppies;
40long diffs;
41char *ps_options = "auxww";
42char *ps_proc_id = "$2";
43
44extern int g_loglevel;
45
46/****************** subroutines used only by main.c ******************/
47
48extern void mr_archive_init_conf(struct s_mr_conf *mr_conf);
49
50/**
51 * Print a "don't panic" message to the log and a message about the logfile to the screen.
52 */
53void welcome_to_mondoarchive()
54{
55    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
56            PACKAGE_VERSION);
57    log_msg(0, "running on %s architecture", get_architecture());
58    log_msg(0,
59            "-----------------------------------------------------------");
60    log_msg(0,
61            "NB: Mondo logs almost everything, so don't panic if you see");
62    log_msg(0,
63            "some error messages.  Please read them carefully before you");
64    log_msg(0,
65            "decide to break out in a cold sweat.    Despite (or perhaps");
66    log_msg(0,
67            "because of) the wealth of messages. some users are inclined");
68    log_msg(0,
69            "to stop reading this log. If Mondo stopped for some reason,");
70    log_msg(0,
71            "chances are it's detailed here.  More than likely there's a");
72    log_msg(0,
73            "message at the very end of this log that will tell you what");
74    log_msg(0,
75            "is wrong. Please read it!                          -Devteam");
76    log_msg(0,
77            "-----------------------------------------------------------");
78
79    log_msg(0, "Zero...");
80    log_msg(1, "One...");
81    log_msg(2, "Two...");
82    log_msg(3, "Three...");
83    log_msg(4, "Four...");
84    log_msg(5, "Five...");
85    log_msg(6, "Six...");
86    log_msg(7, "Seven...");
87    log_msg(8, "Eight...");
88    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
89}
90
91
92/**
93 * Do whatever is necessary to insure a successful backup on the Linux distribution
94 * of the day.
95 */
96void distro_specific_kludges_at_start_of_mondoarchive()
97{
98    log_msg(2, "Unmounting old ramdisks if necessary");
99    stop_magicdev_if_necessary();   // for RH+Gnome users
100    run_program_and_log_output
101        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
102    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
103    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
104    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
105}
106
107
108/**
109 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
110 */
111void distro_specific_kludges_at_end_of_mondoarchive()
112{
113    log_msg(2, "Restarting magicdev if necessary");
114    sync();
115    restart_magicdev_if_necessary();    // for RH+Gnome users
116
117    log_msg(2, "Restarting supermounts if necessary");
118    sync();
119    remount_supermounts_if_necessary(); // for Mandrake users
120
121    log_msg(2, "Unmounting /boot if necessary");
122    sync();
123    unmount_boot_if_necessary();    // for Gentoo users
124}
125
126/* Return a string containing the date */
127char *mr_date(void) {
128   
129    time_t tcurr;
130
131    tcurr = time(NULL);
132    return(ctime(&tcurr));
133}
134
135/*-----------------------------------------------------------*/
136
137
138
139/**
140 * Backup/verify the user's data.
141 * What did you think it did, anyway? :-)
142 */
143int main(int argc, char *argv[])
144{
145    struct s_bkpinfo *bkpinfo;
146    char *tmp;
147    int res = 0;
148    int retval = 0;
149    char *say_at_end = NULL;
150
151#ifdef ENABLE_NLS
152    setlocale(LC_ALL, "");
153    (void) textdomain("mondo");
154#endif
155/* Make sure I'm root; abort if not */
156    if (getuid() != 0) {
157        fprintf(stderr, _("Please run as root.\n"));
158        exit(127);
159    }
160
161    /* If -V, -v or --version then echo version no. and quit */
162    if (argc == 2
163        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
164            || !strcmp(argv[argc - 1], "--version"))) {
165        printf(_("mondoarchive v%s\nSee man page for help\n"), PACKAGE_VERSION);
166        exit(0);
167    }
168
169    /* Initialize variables */
170    malloc_libmondo_global_strings();
171
172    res = 0;
173    retval = 0;
174    diffs = 0;
175    printf(_("Initializing...\n"));
176    bkpinfo = mr_malloc(sizeof(struct s_bkpinfo));
177
178    /* Initialize Configuration Structure */
179    mr_archive_init_conf(bkpinfo->mr_conf);
180
181    /* initialize log file with time stamp */
182    unlink(MONDO_LOGFILE);
183    log_msg(0, "Time started: %s", mr_date());
184
185    /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
186    mr_asprintf(&tmp, "/sbin:/usr/sbin:%s:/usr/local/sbin", getenv("PATH"));
187    setenv("PATH", tmp, 1);
188    mr_free(tmp);
189
190    /* Add the ARCH environment variable for ia64 purposes */
191    setenv("ARCH", get_architecture(), 1);
192
193    /* Add MONDO_SHARE environment variable for mindi */
194    setenv_mondo_share();
195
196    /* Configure the bkpinfo structure, global file paths, etc. */
197    g_main_pid = getpid();
198    log_msg(9, "This");
199
200    register_pid(g_main_pid, "mondo");
201    set_signals(TRUE);          // catch SIGTERM, etc.
202    run_program_and_log_output("date", 1);
203    run_program_and_log_output("dmesg -n1", TRUE);
204
205    log_msg(9, "Next");
206    welcome_to_mondoarchive();
207    distro_specific_kludges_at_start_of_mondoarchive();
208    // BERLIOS : too early, bkpinfo is not initialized ??
209    //s-printf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir, bkpinfo->scratchdir);
210    g_kernel_version = get_kernel_version();
211
212    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
213        g_loglevel = 10;
214        g_text_mode = TRUE;
215        setup_newt_stuff();
216        if (!strstr(argv[2], "filelist")) {
217            printf(_("Sorry - filelist goes first\n"));
218            finish(1);
219        } else {
220            finish(get_fattr_list(argv[2], argv[3]));
221        }
222        finish(0);
223    }
224    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
225        g_loglevel = 10;
226        g_text_mode = TRUE;
227        setup_newt_stuff();
228        finish(set_fattr_list(argv[2], argv[3]));
229    }
230
231    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
232        g_loglevel = 10;
233        g_text_mode = TRUE;
234        setup_newt_stuff();
235        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
236        printf("in=%s; out=%s\n", argv[2], tmp);
237        mr_free(tmp);
238        finish(1);
239    }
240
241    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
242        g_loglevel = 10;
243        g_text_mode = TRUE;
244        setup_newt_stuff();
245        if (!strstr(argv[2], "filelist")) {
246            printf(_("Sorry - filelist goes first\n"));
247            finish(1);
248        } else {
249            finish(get_acl_list(argv[2], argv[3]));
250        }
251        finish(0);
252    }
253    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
254        g_loglevel = 10;
255        g_text_mode = TRUE;
256        setup_newt_stuff();
257        finish(set_acl_list(argv[2], argv[3]));
258    }
259
260    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
261        g_loglevel = 10;
262        g_text_mode = TRUE;
263        setup_newt_stuff();
264        if ((tmp = find_cdrw_device()) == NULL) {
265            printf(_("Failed to find CDR-RW drive\n"));
266        } else {
267            printf(_("CD-RW is at %s\n"), tmp);
268        }
269        mr_free(tmp);
270
271        if ((tmp = find_cdrom_device(FALSE)) == NULL) {
272            printf(_("Failed to find CD-ROM drive\n"));
273        } else {
274            printf(_("CD-ROM is at %s\n"), tmp);
275        }
276        mr_free(tmp);
277        finish(0);
278    }
279
280    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
281        g_loglevel = 10;
282        g_text_mode = TRUE;
283        setup_newt_stuff();
284        if ((tmp = find_dvd_device()) == NULL) {
285            printf(_("Failed to find DVD drive\n"));
286        } else {
287            printf(_("DVD is at %s\n"), tmp);
288        }
289        mr_free(tmp);
290        finish(0);
291    }
292
293    if (argc > 2 && !strcmp(argv[1], "disksize")) {
294        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
295        finish(0);
296    }
297    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
298        if (is_dev_an_NTFS_dev(argv[2])) {
299            printf(_("%s is indeed an NTFS dev\n"), argv[2]);
300        } else {
301            printf(_("%s is _not_ an NTFS dev\n"), argv[2]);
302        }
303        finish(0);
304    }
305
306    if (pre_param_configuration(bkpinfo)) {
307        fatal_error
308            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
309    }
310
311/* Process command line, if there is one. If not, ask user for info. */
312    if (argc == 1) {
313        g_text_mode = FALSE;
314        setup_newt_stuff();
315        res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE);   /* yes, archiving */
316        if (res) {
317            fatal_error
318                ("Syntax error. Please review the parameters you have supplied and try again.");
319        }
320    } else {
321        res = handle_incoming_parameters(argc, argv, bkpinfo);
322        if (res) {
323            printf
324                (_("Errors were detected in the command line you supplied.\n"));
325            printf(_("Please review the log file - %s \n"),MONDO_LOGFILE);
326            log_msg(1, "Mondoarchive will now exit.");
327            finish(1);
328        }
329        setup_newt_stuff();
330    }
331
332/* Finish configuring global structures */
333    if (post_param_configuration(bkpinfo)) {
334        fatal_error
335            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
336    }
337
338    log_to_screen
339        (_("BusyBox's sources are available from http://www.busybox.net"));
340
341    /* If we're meant to backup then backup */
342    if (bkpinfo->backup_data) {
343        res = backup_data(bkpinfo);
344        retval += res;
345        if (res) {
346            mr_asprintf(&say_at_end,
347                   _("Data archived. Please check the logs, just as a precaution. "));
348        } else {
349            mr_asprintf(&say_at_end, _("Data archived OK. "));
350        }
351    }
352
353/* If we're meant to verify then verify */
354    if (bkpinfo->verify_data) {
355        res = verify_data(bkpinfo);
356        if (res < 0) {
357            mr_asprintf(&say_at_end, _("%d difference%c found."), -res,
358                    (-res != 1) ? 's' : ' ');
359            res = 0;
360        }
361        retval += res;
362    }
363
364    /* Offer to write floppy disk images to physical disks */
365    if (bkpinfo->backup_data && !g_skip_floppies) {
366        res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
367        retval += res;
368    }
369
370    /* Report result of entire operation (success? errors?) */
371    if (retval == 0) {
372        mvaddstr_and_log_it(g_currentY++, 0,
373                            _("Backup and/or verify ran to completion. Everything appears to be fine."));
374    } else {
375        mvaddstr_and_log_it(g_currentY++, 0,
376                            _("Backup and/or verify ran to completion. However, errors did occur."));
377    }
378
379    if (does_file_exist("/var/cache/mindi/mondorescue.iso")) {
380        log_to_screen
381            (_("/var/cache/mindi/mondorescue.iso, a boot/utility CD, is available if you want it."));
382    }
383
384
385    if (length_of_file("/tmp/changed.files") > 2) {
386        if (g_text_mode) {
387            log_to_screen
388                (_("Type 'less /tmp/changed.files' to see which files don't match the archives"));
389        } else {
390            log_msg(1,
391                    _("Type 'less /tmp/changed.files' to see which files don't match the archives"));
392            log_msg(2, "Calling popup_changelist_from_file()");
393            popup_changelist_from_file("/tmp/changed.files");
394            log_msg(2, "Returned from popup_changelist_from_file()");
395        }
396    } else {
397        unlink("/tmp/changed.files");
398    }
399    log_to_screen(say_at_end);
400    mr_free(say_at_end);
401
402    mr_asprintf(&tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
403    run_program_and_log_output(tmp, TRUE);
404    mr_free(tmp);
405
406    mr_asprintf(&g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
407            bkpinfo->scratchdir);
408    run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
409
410    run_program_and_log_output("mount", 2);
411
412    system("rm -f /var/cache/mondo-archive/last-backup.aborted");
413    system("rm -Rf /mondo.tmp* /mondo.scratch.*");
414    if (retval == 0) {
415        printf(_("Mondoarchive ran OK.\n"));
416    } else {
417        printf(_("Errors occurred during backup. Please check logfile.\n"));
418    }
419    distro_specific_kludges_at_end_of_mondoarchive();
420    register_pid(0, "mondo");
421    set_signals(FALSE);
422    chdir("/tmp");              // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
423    system(g_erase_tmpdir_and_scratchdir);
424    free_libmondo_global_strings();
425    mr_free((void *)bkpinfo);
426
427    unlink("/tmp/filelist.full");
428    unlink("/tmp/filelist.full.gz");
429
430    run_program_and_log_output("date", 1);
431
432    /* finalize log file with time stamp */
433    log_msg(0, "Time finished: %s", mr_date());
434
435    if (!g_text_mode) {
436        popup_and_OK
437            (_("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt."));
438        log_to_screen(_("See %s for details of backup run."), MONDO_LOGFILE);
439        finish(retval);
440    } else {
441        printf(_("See %s for details of backup run.\n"), MONDO_LOGFILE);
442        exit(retval);
443    }
444
445    return EXIT_SUCCESS;
446}
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