source: branches/stable/mondo/src/mondoarchive/mondoarchive.c @ 1228

Last change on this file since 1228 was 1228, checked in by Bruno Cornec, 13 years ago

Improved configuration file for mondo-web module

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File size: 12.6 KB
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1/***************************************************************************
2* $Id: mondoarchive.c 1228 2007-03-06 12:14:45Z 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 "mr_mem.h"
25#include "mr_str.h"
26#include "mr_msg.h"
27#include "mr_file.h"
28
29// for CVS
30//static char cvsid[] = "$Id: mondoarchive.c 1228 2007-03-06 12:14:45Z bruno $";
31
32/************************* external variables *************************/
33extern void set_signals(int);
34extern int g_current_media_number;
35extern void register_pid(pid_t, char *);
36extern int g_currentY;
37extern bool g_text_mode;
38extern char *g_boot_mountpt;
39extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
40extern char *g_tmpfs_mountpt;
41extern char *g_erase_tmpdir_and_scratchdir;
42extern char *g_cdrw_drive_is_here;
43static char *g_cdrom_drive_is_here = NULL;
44static char *g_dvd_drive_is_here = NULL;
45extern double g_kernel_version;
46
47/***************** global vars, used only by main.c ******************/
48bool g_skip_floppies;
49long diffs;
50char *ps_options = "auxww";
51char *ps_proc_id = "$2";
52
53extern t_bkptype g_backup_media_type;
54extern int g_loglevel;
55
56/****************** subroutines used only by main.c ******************/
57
58
59/**
60 * Print a "don't panic" message to the log and a message about the logfile to the screen.
61 */
62void welcome_to_mondoarchive(void)
63{
64    mr_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org",
65            PACKAGE_VERSION);
66    mr_msg(0, "running on %s architecture", get_architecture());
67    mr_msg(0,
68            "-----------------------------------------------------------");
69    mr_msg(0,
70            "NB: Mondo logs almost everything, so don't panic if you see");
71    mr_msg(0,
72            "some error messages.  Please read them carefully before you");
73    mr_msg(0,
74            "decide to break out in a cold sweat.    Despite (or perhaps");
75    mr_msg(0,
76            "because of) the wealth of messages. some users are inclined");
77    mr_msg(0,
78            "to stop reading this log. If Mondo stopped for some reason,");
79    mr_msg(0,
80            "chances are it's detailed here.  More than likely there's a");
81    mr_msg(0,
82            "message at the very end of this log that will tell you what");
83    mr_msg(0,
84            "is wrong. Please read it!                          -Devteam");
85    mr_msg(0,
86            "-----------------------------------------------------------");
87
88    mr_msg(0, "Zero...");
89    mr_msg(1, "One...");
90    mr_msg(2, "Two...");
91    mr_msg(3, "Three...");
92    mr_msg(4, "Four...");
93    mr_msg(5, "Five...");
94    mr_msg(6, "Six...");
95    mr_msg(7, "Seven...");
96    mr_msg(8, "Eight...");
97    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
98}
99
100
101extern char *g_magicdev_command;
102
103/**
104 * Do whatever is necessary to insure a successful backup on the Linux distribution
105 * of the day.
106 */
107void distro_specific_kludges_at_start_of_mondoarchive(void)
108{
109    mr_msg(2, "Unmounting old ramdisks if necessary");
110    stop_magicdev_if_necessary();   // for RH+Gnome users
111    run_program_and_log_output
112        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
113    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
114    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
115    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
116}
117
118
119/**
120 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
121 */
122void distro_specific_kludges_at_end_of_mondoarchive(void)
123{
124    mr_msg(2, "Restarting magicdev if necessary");
125    sync();
126    restart_magicdev_if_necessary();    // for RH+Gnome users
127
128    mr_msg(2, "Restarting supermounts if necessary");
129    sync();
130    remount_supermounts_if_necessary(); // for Mandrake users
131
132    mr_msg(2, "Unmounting /boot if necessary");
133    sync();
134    unmount_boot_if_necessary();    // for Gentoo users
135}
136
137/*-----------------------------------------------------------*/
138
139
140
141/**
142 * Backup/verify the user's data.
143 * What did you think it did, anyway? :-)
144 */
145int main(int argc, char *argv[])
146{
147    struct s_bkpinfo *bkpinfo;
148    struct stat stbuf;
149    char *tmp = NULL;
150    int res = 0;
151    int retval = 0;
152    char *say_at_end = NULL;
153    char *say_at_end2 = NULL;
154
155#ifdef ENABLE_NLS
156    setlocale(LC_ALL, "");
157    (void) textdomain("mondo");
158#endif
159/* Make sure I'm root; abort if not */
160    if (getuid() != 0) {
161        fprintf(stderr, _("Please run as root.\n"));
162        exit(127);
163    }
164
165    /* If -V, -v or --version then echo version no. and quit */
166    if (argc == 2
167        && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
168            || !strcmp(argv[argc - 1], "--version"))) {
169        printf(_("mondoarchive v%s\nSee man page for help\n"), PACKAGE_VERSION);
170        exit(0);
171    }
172
173    /* Initialize variables */
174    malloc_libmondo_global_strings();
175
176    res = 0;
177    retval = 0;
178    diffs = 0;
179    printf(_("Initializing...\n"));
180
181    /* initialize log file with time stamp */
182    unlink(MONDO_LOGFILE);
183    mr_msg_init(MONDO_LOGFILE,4);
184    mr_msg(0, "Time started: %s", mr_date());
185
186    bkpinfo = mr_malloc(sizeof(struct s_bkpinfo));
187
188    /* Add the ARCH environment variable for ia64 purposes */
189    setenv("ARCH", get_architecture(), 1);
190
191    /* Add MONDO_SHARE + other environment variables for mindi */
192    setenv_mondo_var();
193
194    if (stat(MONDO_CACHE, &stbuf) != 0) {
195        mr_mkdir(MONDO_CACHE,0x755);
196    }
197
198    /* BERLIOS: Hardcoded to be improved */
199    unlink(MONDO_CACHE"/mindi.conf");
200    unlink(MONDORESTORECFG);
201
202    /* Configure the bkpinfo structure, global file paths, etc. */
203    g_main_pid = getpid();
204    mr_msg(9, "This");
205
206    register_pid(g_main_pid, "mondo");
207    set_signals(TRUE);          // catch SIGTERM, etc.
208    run_program_and_log_output("dmesg -n1", TRUE);
209
210    mr_msg(9, "Next");
211    welcome_to_mondoarchive();
212    distro_specific_kludges_at_start_of_mondoarchive();
213    g_kernel_version = get_kernel_version();
214
215    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
216        g_loglevel = 10;
217        g_text_mode = TRUE;
218        setup_newt_stuff();
219        if (!strstr(argv[2], "filelist")) {
220            mr_msg(1,_("Sorry - filelist goes first\n"));
221            finish(1);
222        } else {
223            finish(get_fattr_list(argv[2], argv[3]));
224        }
225        finish(0);
226    }
227    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
228        g_loglevel = 10;
229        g_text_mode = TRUE;
230        setup_newt_stuff();
231        finish(set_fattr_list(argv[2], argv[3]));
232    }
233
234    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
235        g_loglevel = 10;
236        g_text_mode = TRUE;
237        setup_newt_stuff();
238        malloc_string(tmp);
239        turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
240        printf("in=%s; out=%s\n", argv[2], tmp);
241        mr_free(tmp);
242        finish(1);
243    }
244
245    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
246        g_loglevel = 10;
247        g_text_mode = TRUE;
248        setup_newt_stuff();
249        if (!strstr(argv[2], "filelist")) {
250            mr_msg(1,_("Sorry - filelist goes first\n"));
251            finish(1);
252        } else {
253            finish(get_acl_list(argv[2], argv[3]));
254        }
255        finish(0);
256    }
257    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
258        g_loglevel = 10;
259        g_text_mode = TRUE;
260        setup_newt_stuff();
261        finish(set_acl_list(argv[2], argv[3]));
262    }
263
264    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
265        g_loglevel = 10;
266        g_text_mode = TRUE;
267        setup_newt_stuff();
268        malloc_string(tmp);
269        if (find_cdrw_device(tmp)) {
270            mr_msg(1,_("Failed to find CDR-RW drive\n"));
271        } else {
272            mr_msg(1,_("CD-RW is at %s\n"), tmp);
273        }
274        tmp[0] = '\0';
275        if (find_cdrom_device(tmp, atoi(argv[2]))) {
276            mr_msg(1,_("Failed to find CD-ROM drive\n"));
277        } else {
278            mr_msg(1,_("CD-ROM is at %s\n"), tmp);
279        }
280        mr_free(tmp);
281        finish(0);
282    }
283
284    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
285        g_loglevel = 10;
286        g_text_mode = TRUE;
287        setup_newt_stuff();
288        malloc_string(tmp);
289        if (find_dvd_device(tmp, atoi(argv[2]))) {
290            mr_msg(1,_("Failed to find DVD drive\n"));
291        } else {
292            mr_msg(1,_("DVD is at %s\n"), tmp);
293        }
294        mr_free(tmp);
295        finish(0);
296    }
297
298    if (argc > 2 && !strcmp(argv[1], "disksize")) {
299        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
300        finish(0);
301    }
302    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
303        if (is_dev_an_NTFS_dev(argv[2])) {
304            mr_msg(1,_("%s is indeed an NTFS dev\n"), argv[2]);
305        } else {
306            mr_msg(1,_("%s is _not_ an NTFS dev\n"), argv[2]);
307        }
308        finish(0);
309    }
310
311    if (pre_param_configuration(bkpinfo)) {
312        fatal_error
313            ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
314    }
315    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
316            bkpinfo->scratchdir);
317
318    /* Process command line, if there is one. If not, ask user for info. */
319    if (argc == 1) {
320        g_text_mode = FALSE;
321        setup_newt_stuff();
322        res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE);   /* yes, archiving */
323        if (res) {
324            fatal_error
325                ("Syntax error. Please review the parameters you have supplied and try again.");
326        }
327    } else {
328        res = handle_incoming_parameters(argc, argv, bkpinfo);
329        if (res) {
330            mr_msg(1,
331                _("Errors were detected in the command line you supplied.\n"));
332            mr_msg(1,_("Please review the log file - %s \n"),MONDO_LOGFILE);
333            mr_msg(1, "Mondoarchive will now exit.");
334            finish(1);
335        }
336        setup_newt_stuff();
337    }
338
339/* Finish configuring global structures */
340    if (post_param_configuration(bkpinfo)) {
341        fatal_error
342            ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
343    }
344
345    log_to_screen
346        (_("BusyBox's sources are available from http://www.busybox.net"));
347
348    sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
349            bkpinfo->scratchdir);
350
351    /* If we're meant to backup then backup */
352    if (bkpinfo->backup_data) {
353        res = backup_data(bkpinfo);
354        retval += res;
355        if (res) {
356            mr_strcat(say_at_end,
357                   _("Data archived. Please check the logs, just as a precaution. "));
358        } else {
359            mr_strcat(say_at_end, _("Data archived OK. "));
360        }
361    }
362
363    /* If we're meant to verify then verify */
364    if (bkpinfo->verify_data) {
365        res = verify_data(bkpinfo);
366        if (res < 0) {
367            mr_asprintf(&say_at_end2, _("%d difference%c found."), -res,
368                    (-res != 1) ? 's' : ' ');
369            res = 0;
370        }
371        retval += res;
372    }
373
374    /* Offer to write floppy disk images to physical disks */
375    if (bkpinfo->backup_data && !g_skip_floppies) {
376        res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
377        retval += res;
378    }
379
380    /* Report result of entire operation (success? errors?) */
381    if (!retval) {
382        mvaddstr_and_log_it(g_currentY++, 0,
383                            _("Backup and/or verify ran to completion. Everything appears to be fine."));
384    } else {
385        mvaddstr_and_log_it(g_currentY++, 0,
386                            _("Backup and/or verify ran to completion. However, errors did occur."));
387    }
388
389    if (does_file_exist("/var/cache/mindi/mondorescue.iso")) {
390        log_to_screen
391            (_("/var/cache/mindi/mondorescue.iso, a boot/utility CD, is available if you want it."));
392    }
393
394
395    if (length_of_file("/tmp/changed.files") > 2) {
396        if (g_text_mode) {
397            log_to_screen
398                (_("Type 'less /tmp/changed.files' to see which files don't match the archives"));
399        } else {
400            mr_msg(1,
401                    _("Type 'less /tmp/changed.files' to see which files don't match the archives"));
402            mr_msg(2, "Calling popup_changelist_from_file()");
403            popup_changelist_from_file("/tmp/changed.files");
404            mr_msg(2, "Returned from popup_changelist_from_file()");
405        }
406    } else {
407        unlink("/tmp/changed.files");
408    }
409    log_to_screen(say_at_end);
410    mr_free(say_at_end);
411    if (say_at_end2 != NULL) {
412        log_to_screen(say_at_end2);
413        mr_free(say_at_end2);
414    }
415
416    mr_asprintf(&tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
417    run_program_and_log_output(tmp, TRUE);
418    mr_free(tmp);
419    run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
420
421    run_program_and_log_output("mount", 2);
422
423    system("rm -f /var/cache/mondo-archive/last-backup.aborted");
424    system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
425    if (!retval) {
426        printf(_("Mondoarchive ran OK.\n"));
427    } else {
428        printf(_("Errors occurred during backup. Please check logfile.\n"));
429    }
430    distro_specific_kludges_at_end_of_mondoarchive();
431    register_pid(0, "mondo");
432    set_signals(FALSE);
433    chdir("/tmp");              // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
434    system(g_erase_tmpdir_and_scratchdir);
435    free_libmondo_global_strings();
436    mr_free(bkpinfo);
437
438    unlink("/tmp/filelist.full");
439    unlink("/tmp/filelist.full.gz");
440
441    if (!g_cdrom_drive_is_here) {
442        mr_msg(10, "FYI, g_cdrom_drive_is_here was never used");
443    }
444    if (!g_dvd_drive_is_here) {
445        mr_msg(10, "FYI, g_dvd_drive_is_here was never used");
446    }
447
448    /* finalize log file with time stamp */
449    mr_msg(1, "Time finished: %s", mr_date());
450    mr_msg_close();
451
452    if (!g_text_mode) {
453        popup_and_OK
454            (_("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt."));
455        log_to_screen(_("See %s for details of backup run."), MONDO_LOGFILE);
456        finish(retval);
457    } else {
458        printf(_("See %s for details of backup run.\n"), MONDO_LOGFILE);
459        exit(retval);
460    }
461
462    return EXIT_SUCCESS;
463}
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