source: branches/stable/mondo/src/mondoarchive/mondoarchive.c @ 1269

Last change on this file since 1269 was 1269, checked in by bruno, 12 years ago

Correct way of dealing with pointer on functions (code compiles again now)

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File size: 16.3 KB
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1/***************************************************************************
2* $Id: mondoarchive.c 1269 2007-03-25 22:08:43Z bruno $
3*/
4
5
6/**
7 * @file
8 * The main file for mondoarchive.
9 */
10
11/************************* #include statements *************************/
12#include <pthread.h>
13#include <stdio.h>
14#include <stdlib.h>
15#include <sys/types.h>
16#include <sys/stat.h>
17#include <unistd.h>
18
19#include "my-stuff.h"
20#include "mondostructures.h"
21#include "libmondo.h"
22#include "mondo-cli-EXT.h"
23
24#include "mondoarchive.h"
25#include "mr_mem.h"
26#include "mr_str.h"
27#include "mr_msg.h"
28#include "mr_file.h"
29#include "mr_err.h"
30#include "mr_conf.h"
31
32// for CVS
33//static char cvsid[] = "$Id: mondoarchive.c 1269 2007-03-25 22:08:43Z bruno $";
34
35/************************* external variables *************************/
36extern void set_signals(int);
37extern int g_current_media_number;
38extern void register_pid(pid_t, char *);
39extern int g_currentY;
40extern bool g_text_mode;
41extern char *g_boot_mountpt;
42extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
43extern char *g_tmpfs_mountpt;
44extern char *g_erase_tmpdir_and_scratchdir;
45extern char *g_cdrw_drive_is_here;
46extern double g_kernel_version;
47extern char *g_magicdev_command;
48extern t_bkptype g_backup_media_type;
49extern int g_loglevel;
50
51static char *g_cdrom_drive_is_here = NULL;
52static char *g_dvd_drive_is_here = NULL;
53
54struct mr_ar_conf mr_conf;
55
56/***************** global vars ******************/
57bool g_skip_floppies;
58long diffs;
59char *ps_options = "auxww";
60char *ps_proc_id = "$2";
61
62/****************** subroutines used only here ******************/
63
64
65/**
66 * Print a "don't panic" message to the log and a message about the logfile to the screen.
67 */
68static void welcome_to_mondoarchive(void)
69{
70    mr_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org", PACKAGE_VERSION);
71    mr_msg(0, "running on %s architecture", get_architecture());
72    mr_msg(0, "-----------------------------------------------------------");
73    mr_msg(0, "NB: Mondo logs almost everything, so don't panic if you see");
74    mr_msg(0, "some error messages.  Please read them carefully before you");
75    mr_msg(0, "decide to break out in a cold sweat.    Despite (or perhaps");
76    mr_msg(0, "because of) the wealth of messages. some users are inclined");
77    mr_msg(0, "to stop reading this log. If Mondo stopped for some reason,");
78    mr_msg(0, "chances are it's detailed here.  More than likely there's a");
79    mr_msg(0, "message at the very end of this log that will tell you what");
80    mr_msg(0, "is wrong. Please read it!                          -Devteam");
81    mr_msg(0, "-----------------------------------------------------------");
82
83    mr_msg(0, "Zero...");
84    mr_msg(1, "One...");
85    mr_msg(2, "Two...");
86    mr_msg(3, "Three...");
87    mr_msg(4, "Four...");
88    mr_msg(5, "Five...");
89    mr_msg(6, "Six...");
90    mr_msg(7, "Seven...");
91    mr_msg(8, "Eight...");
92    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
93}
94
95/**
96 * Do whatever is necessary to insure a successful backup on the Linux distribution
97 * of the day.
98 */
99static void distro_specific_kludges_at_start_of_mondoarchive(void)
100{
101    mr_msg(2, "Unmounting old ramdisks if necessary");
102    stop_magicdev_if_necessary();   // for RH+Gnome users
103    run_program_and_log_output
104        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
105    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
106    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
107    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
108}
109
110
111/**
112 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
113 */
114static void distro_specific_kludges_at_end_of_mondoarchive(void)
115{
116    mr_msg(2, "Restarting magicdev if necessary");
117    sync();
118    restart_magicdev_if_necessary();    // for RH+Gnome users
119
120    mr_msg(2, "Restarting supermounts if necessary");
121    sync();
122    remount_supermounts_if_necessary(); // for Mandrake users
123
124    mr_msg(2, "Unmounting /boot if necessary");
125    sync();
126    unmount_boot_if_necessary();    // for Gentoo users
127}
128
129/* create the mr_ar_conf structure from mondo's conf file */
130static void mr_ar_store_conf(struct mr_ar_conf *mr_cnf) {
131   
132    mr_asprintf(&mr_cnf->iso_creation_cmd, mr_conf_sread("mondo_iso_creation_cmd"));
133    mr_asprintf(&mr_cnf->iso_creation_options, mr_conf_sread("mondo_iso_creation_options"));
134    mr_asprintf(&mr_cnf->iso_burning_cmd, mr_conf_sread("mondo_iso_burning_cmd"));
135    mr_asprintf(&mr_cnf->iso_burning_options, mr_conf_sread("mondo_iso_burning_options"));
136    mr_cnf->iso_burning_speed = mr_conf_iread("mondo_iso_burning_speed");
137    mr_cnf->media_size = mr_conf_iread("mondo_media_size");
138    mr_asprintf(&mr_cnf->media_device, mr_conf_sread("mondo_media_device"));
139    mr_cnf->manual_tray = mr_conf_bread("mondo_manual_tray");
140    mr_cnf->log_level = mr_conf_iread("mondo_log_level");
141    mr_asprintf(&mr_cnf->prefix, mr_conf_sread("mondo_prefix"));
142    mr_cnf->external_tape_blocksize = mr_conf_iread("mondo_external_tape_blocksize");
143    mr_cnf->internal_tape_blocksize = mr_conf_iread("mondo_internal_tape_blocksize");
144    mr_cnf->slice_size = mr_conf_iread("mondo_slice_size");
145    mr_asprintf(&mr_cnf->deplist_file, mr_conf_sread("mondo_deplist_file"));
146    mr_cnf->write_boot_floppy = mr_conf_bread("mondo_write_boot_floppy");
147    mr_cnf->create_mindi_cd = mr_conf_bread("mondo_create_mindi_cd");
148    mr_asprintf(&mr_cnf->kernel, mr_conf_sread("mondo_kernel"));
149    mr_asprintf(&mr_cnf->additional_modules, mr_conf_sread("mondo_additional_modules"));
150    mr_asprintf(&mr_cnf->boot_loader, mr_conf_sread("mondo_boot_loader"));
151    mr_cnf->differential = mr_conf_bread("mondo_differential");
152    mr_asprintf(&mr_cnf->compression_tool, mr_conf_sread("mondo_compression_tool"));
153    mr_cnf->compression_level = mr_conf_iread("mondo_compression_level");
154    mr_asprintf(&mr_cnf->exclude_paths, mr_conf_sread("mondo_exclude_paths"));
155    mr_asprintf(&mr_cnf->include_paths, mr_conf_sread("mondo_include_paths"));
156    mr_asprintf(&mr_cnf->ui_mode, mr_conf_sread("mondo_ui_mode"));
157    mr_cnf->automatic_restore = mr_conf_bread("mondo_automatic_restore");
158    mr_asprintf(&mr_cnf->scratch_dir, mr_conf_sread("mondo_scratch_dir"));
159    mr_asprintf(&mr_cnf->tmp_dir, mr_conf_sread("mondo_tmp_dir"));
160    mr_asprintf(&mr_cnf->images_dir, mr_conf_sread("mondo_images_dir"));
161    mr_msg(5, "Directory for images is %s", mr_cnf->images_dir);
162}
163
164/* destroy the mr_ar_conf structure's content */
165static void mr_ar_clean_conf(struct mr_ar_conf *mr_cnf) {
166   
167    if (mr_cnf == NULL) {
168        return;
169    }
170    mr_free(mr_cnf->iso_creation_cmd);
171    mr_free(mr_cnf->iso_creation_options);
172    mr_free(mr_cnf->iso_burning_cmd);
173    mr_free(mr_cnf->iso_burning_options);
174    mr_free(mr_cnf->media_device);
175    mr_free(mr_cnf->prefix);
176    mr_free(mr_cnf->deplist_file);
177    mr_free(mr_cnf->kernel);
178    mr_free(mr_cnf->additional_modules);
179    mr_free(mr_cnf->boot_loader);
180    mr_free(mr_cnf->compression_tool);
181    mr_free(mr_cnf->exclude_paths);
182    mr_free(mr_cnf->include_paths);
183    mr_free(mr_cnf->ui_mode);
184    mr_free(mr_cnf->scratch_dir);
185    mr_free(mr_cnf->tmp_dir);
186    mr_free(mr_cnf->images_dir);
187}
188
189/* Create the pointer to the function called in mr_exit */
190void (*mr_cleanup)(void) = NULL;
191
192/* Cleanup all memory allocated in various structures */
193void mr_ar_cleanup(void) {
194    /* Highly incomplete function for the moment */
195    /* We have to free all allocated memory */
196    mr_ar_clean_conf(&mr_conf);
197    /* We have to remove all temporary files */
198    /* We have to unmount what has been mounted */
199    /* We have to properly end newt */
200    /* We have to remind people of log files */
201
202    mr_msg_close();
203}
204
205/*-----------------------------------------------------------*/
206
207
208
209/**
210 * Backup/verify the user's data.
211 * What did you think it did, anyway? :-)
212 */
213int main(int argc, char *argv[])
214{
215    struct s_bkpinfo *bkpinfo = NULL;
216    struct stat stbuf;
217    char *tmp = NULL;
218    int res = 0;
219    int retval = 0;
220    char *say_at_end = NULL;
221    char *say_at_end2 = NULL;
222
223#ifdef ENABLE_NLS
224    setlocale(LC_ALL, "");
225    (void) textdomain("mondo");
226#endif
227    printf(_("Initializing..."));
228
229    /* Reference the right cleanup function for mr_exit */
230    mr_cleanup = &mr_ar_cleanup;
231
232    /* initialize log file with time stamp */
233    /* We start with a loglevel of 4 - Adapted later on */
234    /* It's mandatory to set this up first as all mr_ functions rely on it */
235    unlink(MONDO_LOGFILE);
236    mr_msg_init(MONDO_LOGFILE,4);
237    mr_msg(0, _("Time started: %s"), mr_date());
238
239    /* Make sure I'm root; abort if not */
240    if (getuid() != 0) {
241        mr_log_exit(127, _("Please run as root."));
242    }
243
244    /* If -V, -v or --version then echo version no. and quit */
245    if (argc == 2
246        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
247            || !strcmp(argv[argc - 1], "--version"))) {
248        printf(_("mondoarchive v%s\nSee man page for help\n"), PACKAGE_VERSION);
249        mr_exit(0, NULL);
250    }
251
252    /* Conf file management */
253    /* Check md5 sum before */
254    /* Get content */
255    if (mr_conf_open(MONDO_CONF_DIR"/mondo.conf.dist") != 0) {
256            mr_log_exit(-1, "Unable to open "MONDO_CONF_DIR"/mondo.conf.dist");
257    }
258    mr_ar_store_conf(&mr_conf);
259    mr_conf_close();
260
261    /* Add MONDO_SHARE + other environment variables for mindi */
262    setenv_mondo_var();
263
264    /* Initialize variables */
265    malloc_libmondo_global_strings();
266    diffs = 0;
267    bkpinfo = mr_malloc(sizeof(struct s_bkpinfo));
268    if (stat(MONDO_CACHE, &stbuf) != 0) {
269        mr_mkdir(MONDO_CACHE,0x755);
270    }
271
272    /* BERLIOS: Hardcoded to be improved */
273    unlink(MONDO_CACHE"/mindi.conf");
274    unlink(MONDORESTORECFG);
275
276    /* Configure the bkpinfo structure, global file paths, etc. */
277    g_main_pid = getpid();
278    mr_msg(9, "This");
279
280    register_pid(g_main_pid, "mondo");
281    set_signals(TRUE);          // catch SIGTERM, etc.
282    run_program_and_log_output("dmesg -n1", TRUE);
283
284    mr_msg(9, "Next");
285    welcome_to_mondoarchive();
286    distro_specific_kludges_at_start_of_mondoarchive();
287    g_kernel_version = get_kernel_version();
288
289    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
290        g_loglevel = 10;
291        g_text_mode = TRUE;
292        setup_newt_stuff();
293        if (!strstr(argv[2], "filelist")) {
294            mr_msg(1,_("Sorry - filelist goes first\n"));
295            finish(1);
296        } else {
297            finish(get_fattr_list(argv[2], argv[3]));
298        }
299        finish(0);
300    }
301    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
302        g_loglevel = 10;
303        g_text_mode = TRUE;
304        setup_newt_stuff();
305        finish(set_fattr_list(argv[2], argv[3]));
306    }
307
308    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
309        g_loglevel = 10;
310        g_text_mode = TRUE;
311        setup_newt_stuff();
312        tmp = mr_stresc(argv[2], WILDCHARS, BACKSLASH);
313        printf("in=%s; out=%s\n", argv[2], tmp);
314        mr_free(tmp);
315        finish(1);
316    }
317
318    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
319        g_loglevel = 10;
320        g_text_mode = TRUE;
321        setup_newt_stuff();
322        if (!strstr(argv[2], "filelist")) {
323            mr_msg(1,_("Sorry - filelist goes first\n"));
324            finish(1);
325        } else {
326            finish(get_acl_list(argv[2], argv[3]));
327        }
328        finish(0);
329    }
330    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
331        g_loglevel = 10;
332        g_text_mode = TRUE;
333        setup_newt_stuff();
334        finish(set_acl_list(argv[2], argv[3]));
335    }
336
337    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
338        g_loglevel = 10;
339        g_text_mode = TRUE;
340        setup_newt_stuff();
341        malloc_string(tmp);
342        if (find_cdrw_device(tmp)) {
343            mr_msg(1,_("Failed to find CDR-RW drive\n"));
344        } else {
345            mr_msg(1,_("CD-RW is at %s\n"), tmp);
346        }
347        tmp[0] = '\0';
348        if (find_cdrom_device(tmp, atoi(argv[2]))) {
349            mr_msg(1,_("Failed to find CD-ROM drive\n"));
350        } else {
351            mr_msg(1,_("CD-ROM is at %s\n"), tmp);
352        }
353        mr_free(tmp);
354        finish(0);
355    }
356
357    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
358        g_loglevel = 10;
359        g_text_mode = TRUE;
360        setup_newt_stuff();
361        malloc_string(tmp);
362        if (find_dvd_device(tmp, atoi(argv[2]))) {
363            mr_msg(1,_("Failed to find DVD drive\n"));
364        } else {
365            mr_msg(1,_("DVD is at %s\n"), tmp);
366        }
367        mr_free(tmp);
368        finish(0);
369    }
370
371    if (argc > 2 && !strcmp(argv[1], "disksize")) {
372        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
373        finish(0);
374    }
375    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
376        if (is_dev_an_NTFS_dev(argv[2])) {
377            mr_msg(1,_("%s is indeed an NTFS dev\n"), argv[2]);
378        } else {
379            mr_msg(1,_("%s is _not_ an NTFS dev\n"), argv[2]);
380        }
381        finish(0);
382    }
383
384    if (pre_param_configuration(bkpinfo)) {
385        fatal_error
386            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
387    }
388    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
389            bkpinfo->scratchdir);
390
391    /* Process command line, if there is one. If not, ask user for info. */
392    if (argc == 1) {
393        g_text_mode = FALSE;
394        setup_newt_stuff();
395        res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE);   /* yes, archiving */
396        if (res) {
397            fatal_error
398                ("Syntax error. Please review the parameters you have supplied and try again.");
399        }
400    } else {
401        res = handle_incoming_parameters(argc, argv, bkpinfo);
402        if (res) {
403            mr_msg(1,
404                _("Errors were detected in the command line you supplied.\n"));
405            mr_msg(1,_("Please review the log file - %s \n"),MONDO_LOGFILE);
406            mr_msg(1, "Mondoarchive will now exit.");
407            finish(1);
408        }
409        setup_newt_stuff();
410    }
411
412/* Finish configuring global structures */
413    if (post_param_configuration(bkpinfo)) {
414        fatal_error
415            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
416    }
417
418    log_to_screen
419        (_("BusyBox's sources are available from http://www.busybox.net"));
420
421    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
422            bkpinfo->scratchdir);
423
424    /* If we're meant to backup then backup */
425    if (bkpinfo->backup_data) {
426        res = backup_data(bkpinfo);
427        retval += res;
428        if (res) {
429            mr_strcat(say_at_end,
430                   _("Data archived. Please check the logs, just as a precaution. "));
431        } else {
432            mr_strcat(say_at_end, _("Data archived OK. "));
433        }
434    }
435
436    /* If we're meant to verify then verify */
437    if (bkpinfo->verify_data) {
438        res = verify_data(bkpinfo);
439        if (res < 0) {
440            mr_asprintf(&say_at_end2, _("%d difference%c found."), -res,
441                    (-res != 1) ? 's' : ' ');
442            res = 0;
443        }
444        retval += res;
445    }
446
447    /* Offer to write floppy disk images to physical disks */
448    if (bkpinfo->backup_data && !g_skip_floppies) {
449        res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
450        retval += res;
451    }
452
453    /* Report result of entire operation (success? errors?) */
454    if (!retval) {
455        mvaddstr_and_log_it(g_currentY++, 0,
456                            _("Backup and/or verify ran to completion. Everything appears to be fine."));
457    } else {
458        mvaddstr_and_log_it(g_currentY++, 0,
459                            _("Backup and/or verify ran to completion. However, errors did occur."));
460    }
461
462    if (does_file_exist("/var/cache/mindi/mondorescue.iso")) {
463        log_to_screen
464            (_("/var/cache/mindi/mondorescue.iso, a boot/utility CD, is available if you want it."));
465    }
466
467
468    if (length_of_file("/tmp/changed.files") > 2) {
469        if (g_text_mode) {
470            log_to_screen
471                (_("Type 'less /tmp/changed.files' to see which files don't match the archives"));
472        } else {
473            mr_msg(1,
474                    _("Type 'less /tmp/changed.files' to see which files don't match the archives"));
475            mr_msg(2, "Calling popup_changelist_from_file()");
476            popup_changelist_from_file("/tmp/changed.files");
477            mr_msg(2, "Returned from popup_changelist_from_file()");
478        }
479    } else {
480        unlink("/tmp/changed.files");
481    }
482    log_to_screen(say_at_end);
483    mr_free(say_at_end);
484    if (say_at_end2 != NULL) {
485        log_to_screen(say_at_end2);
486        mr_free(say_at_end2);
487    }
488
489    mr_asprintf(&tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
490    run_program_and_log_output(tmp, TRUE);
491    mr_free(tmp);
492    run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
493
494    run_program_and_log_output("mount", 2);
495
496    system("rm -f /var/cache/mondo-archive/last-backup.aborted");
497    system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
498    if (!retval) {
499        printf(_("Mondoarchive ran OK.\n"));
500    } else {
501        printf(_("Errors occurred during backup. Please check logfile.\n"));
502    }
503    distro_specific_kludges_at_end_of_mondoarchive();
504    register_pid(0, "mondo");
505    set_signals(FALSE);
506    chdir("/tmp");              // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
507    system(g_erase_tmpdir_and_scratchdir);
508    free_libmondo_global_strings();
509    mr_free(bkpinfo);
510
511    unlink("/tmp/filelist.full");
512    unlink("/tmp/filelist.full.gz");
513
514    if (!g_cdrom_drive_is_here) {
515        mr_msg(10, "FYI, g_cdrom_drive_is_here was never used");
516    }
517    if (!g_dvd_drive_is_here) {
518        mr_msg(10, "FYI, g_dvd_drive_is_here was never used");
519    }
520
521    /* finalize log file with time stamp */
522    mr_msg(1, "Time finished: %s", mr_date());
523    mr_msg_close();
524
525    if (!g_text_mode) {
526        popup_and_OK
527            (_("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt."));
528        log_to_screen(_("See %s for details of backup run."), MONDO_LOGFILE);
529        finish(retval);
530    } else {
531        printf(_("See %s for details of backup run.\n"), MONDO_LOGFILE);
532        mr_exit(retval, NULL);
533    }
534
535    return EXIT_SUCCESS;
536}
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