source: MondoRescue/branches/stable/mondo/src/mondoarchive/main.c@ 1143

Last change on this file since 1143 was 1143, checked in by Bruno Cornec, 18 years ago

unlink MONDORESTOCFG early
  • Property svn:keywords set to Id
File size: 13.1 KB
Line 
1/***************************************************************************
2* $Id: main.c 1143 2007-02-12 02:16:04Z 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 "../common/mondostructures.h"
21#include "../common/libmondo.h"
22#include "mondo-cli-EXT.h"
23
24#include "mr_str.h"
25#include "mr_msg.h"
26#include "mr_file.h"
27
28// for CVS
29//static char cvsid[] = "$Id: main.c 1143 2007-02-12 02:16:04Z bruno $";
30
31/************************* external variables *************************/
32extern void set_signals(int);
33extern int g_current_media_number;
34extern void register_pid(pid_t, char *);
35extern int g_currentY;
36extern bool g_text_mode;
37extern char *g_boot_mountpt;
38extern bool g_remount_cdrom_at_end, g_remount_floppy_at_end;
39extern char *g_mondo_home;
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()
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()
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 // stop_autofs_if_necessary(); // for Xandros users
115 mount_boot_if_necessary(); // for Gentoo users with non-mounted /boot partitions
116 clean_up_KDE_desktop_if_necessary(); // delete various misc ~/.* files that get in the way
117}
118
119
120
121/**
122 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
123 */
124void distro_specific_kludges_at_end_of_mondoarchive()
125{
126// char tmp[500];
127 mr_msg(2, "Restarting magicdev if necessary");
128 sync();
129 restart_magicdev_if_necessary(); // for RH+Gnome users
130
131 mr_msg(2, "Restarting autofs if necessary");
132 sync();
133 // restart_autofs_if_necessary(); // for Xandros users
134
135 mr_msg(2, "Restarting supermounts if necessary");
136 sync();
137 remount_supermounts_if_necessary(); // for Mandrake users
138
139 mr_msg(2, "Unmounting /boot if necessary");
140 sync();
141 unmount_boot_if_necessary(); // for Gentoo users
142
143// mr_msg( 2, "Cleaning up KDE desktop");
144// clean_up_KDE_desktop_if_necessary();
145}
146
147/*-----------------------------------------------------------*/
148
149
150
151/**
152 * Backup/verify the user's data.
153 * What did you think it did, anyway? :-)
154 */
155int main(int argc, char *argv[])
156{
157 struct s_bkpinfo *bkpinfo;
158 struct stat stbuf;
159 char *tmp;
160 int res, retval;
161 char *say_at_end;
162
163/* Make sure I'm root; abort if not */
164 if (getuid() != 0) {
165 fprintf(stderr, "Please run as root.\r\n");
166 exit(127);
167 }
168
169/* If -V, -v or --version then echo version no. and quit */
170 if (argc == 2
171 && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V")
172 || !strcmp(argv[argc - 1], "--version"))) {
173 printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
174 exit(0);
175 }
176
177/* Initialize variables */
178
179 malloc_libmondo_global_strings();
180 malloc_string(tmp);
181 malloc_string(say_at_end);
182
183 res = 0;
184 retval = 0;
185 diffs = 0;
186 say_at_end[0] = '\0';
187 printf("Initializing...\n");
188
189 /* initialize log file with time stamp */
190 unlink(MONDO_LOGFILE);
191 mr_msg_init(MONDO_LOGFILE,4);
192 mr_msg(0, "Time started: %s", mr_date());
193
194 bkpinfo = mr_malloc(sizeof(struct s_bkpinfo));
195
196 /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
197 strncpy(tmp, getenv("PATH"), MAX_STR_LEN - 1);
198 tmp[MAX_STR_LEN - 1] = '\0';
199 if (strlen(tmp) >= MAX_STR_LEN - 33) {
200 fatal_error
201 ("Your PATH environmental variable is too long. Please shorten it.");
202 }
203 strcat(tmp, ":/sbin:/usr/sbin:/usr/local/sbin");
204 setenv("PATH", tmp, 1);
205
206 /* Add the ARCH environment variable for ia64 purposes */
207 strncpy(tmp, get_architecture(), MAX_STR_LEN - 1);
208 tmp[MAX_STR_LEN - 1] = '\0';
209 setenv("ARCH", tmp, 1);
210
211 /* Add MONDO_SHARE + others environment variable for mindi */
212 setenv_mondo_share();
213
214 if (stat(MONDO_CACHE, &stbuf) != 0) {
215 mr_mkdir(MONDO_CACHE,0x755);
216 }
217
218 /* BERLIOS: Hardcoded to be improved */
219 unlink(MONDO_CACHE"/mindi.conf");
220 unlink(MONDORESTORECFG);
221
222 /* Configure the bkpinfo structure, global file paths, etc. */
223 g_main_pid = getpid();
224 mr_msg(9, "This");
225
226 register_pid(g_main_pid, "mondo");
227 set_signals(TRUE); // catch SIGTERM, etc.
228 run_program_and_log_output("dmesg -n1", TRUE);
229
230 mr_msg(9, "Next");
231 welcome_to_mondoarchive();
232 distro_specific_kludges_at_start_of_mondoarchive();
233 g_kernel_version = get_kernel_version();
234
235 if (argc == 4 && !strcmp(argv[1], "getfattr")) {
236 g_loglevel = 10;
237 g_text_mode = TRUE;
238 setup_newt_stuff();
239 if (!strstr(argv[2], "filelist")) {
240 printf("Sorry - filelist goes first\n");
241 finish(1);
242 } else {
243 finish(get_fattr_list(argv[2], argv[3]));
244 }
245 finish(0);
246 }
247 if (argc == 4 && !strcmp(argv[1], "setfattr")) {
248 g_loglevel = 10;
249// chdir("/tmp");
250 g_text_mode = TRUE;
251 setup_newt_stuff();
252 finish(set_fattr_list(argv[2], argv[3]));
253 }
254
255 if (argc == 3 && !strcmp(argv[1], "wildcards")) {
256 g_loglevel = 10;
257 g_text_mode = TRUE;
258 setup_newt_stuff();
259 turn_wildcard_chars_into_literal_chars(tmp, argv[2]);
260 printf("in=%s; out=%s\n", argv[2], tmp);
261 finish(1);
262 }
263
264 if (argc == 4 && !strcmp(argv[1], "getfacl")) {
265 g_loglevel = 10;
266 g_text_mode = TRUE;
267 setup_newt_stuff();
268 if (!strstr(argv[2], "filelist")) {
269 printf("Sorry - filelist goes first\n");
270 finish(1);
271 } else {
272 finish(get_acl_list(argv[2], argv[3]));
273 }
274 finish(0);
275 }
276 if (argc == 4 && !strcmp(argv[1], "setfacl")) {
277 g_loglevel = 10;
278// chdir("/tmp");
279 g_text_mode = TRUE;
280 setup_newt_stuff();
281 finish(set_acl_list(argv[2], argv[3]));
282 }
283
284 if (argc > 2 && !strcmp(argv[1], "find-cd")) {
285 g_loglevel = 10;
286 g_text_mode = TRUE;
287 setup_newt_stuff();
288 if (find_cdrw_device(tmp)) {
289 printf("Failed to find CDR-RW drive\n");
290 } else {
291 printf("CD-RW is at %s\n", tmp);
292 }
293 tmp[0] = '\0';
294 if (find_cdrom_device(tmp, atoi(argv[2]))) {
295 printf("Failed to find CD-ROM drive\n");
296 } else {
297 printf("CD-ROM is at %s\n", tmp);
298 }
299 finish(0);
300 }
301
302 if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
303 g_loglevel = 10;
304 g_text_mode = TRUE;
305 setup_newt_stuff();
306 if (find_dvd_device(tmp, atoi(argv[2]))) {
307 printf("Failed to find DVD drive\n");
308 } else {
309 printf("DVD is at %s\n", tmp);
310 }
311 finish(0);
312 }
313
314 if (argc > 2 && !strcmp(argv[1], "disksize")) {
315 printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
316 finish(0);
317 }
318 if (argc > 2 && !strcmp(argv[1], "test-dev")) {
319 if (is_dev_an_NTFS_dev(argv[2])) {
320 printf("%s is indeed an NTFS dev\n", argv[2]);
321 } else {
322 printf("%s is _not_ an NTFS dev\n", argv[2]);
323 }
324 finish(0);
325 }
326
327 if (pre_param_configuration(bkpinfo)) {
328 fatal_error
329 ("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
330 }
331 sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
332 bkpinfo->scratchdir);
333
334 /* Process command line, if there is one. If not, ask user for info. */
335 if (argc == 1) {
336 g_text_mode = FALSE;
337 setup_newt_stuff();
338 res = interactively_obtain_media_parameters_from_user(bkpinfo, TRUE); /* yes, archiving */
339 if (res) {
340 fatal_error
341 ("Syntax error. Please review the parameters you have supplied and try again.");
342 }
343 } else {
344 res = handle_incoming_parameters(argc, argv, bkpinfo);
345 if (res) {
346 printf
347 ("Errors were detected in the command line you supplied.\n");
348 printf("Please review the log file - " MONDO_LOGFILE "\n");
349 mr_msg(1, "Mondoarchive will now exit.");
350 finish(1);
351 }
352 setup_newt_stuff();
353 }
354
355/* Finish configuring global structures */
356 if (post_param_configuration(bkpinfo)) {
357 fatal_error
358 ("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
359 }
360
361 log_to_screen
362 ("BusyBox's sources are available from http://www.busybox.net");
363 sprintf(g_erase_tmpdir_and_scratchdir, "rm -Rf %s %s", bkpinfo->tmpdir,
364 bkpinfo->scratchdir);
365
366 /* If we're meant to backup then backup */
367 if (bkpinfo->backup_data) {
368 res = backup_data(bkpinfo);
369 retval += res;
370 if (res) {
371 strcat(say_at_end,
372 "Data archived. Please check the logs, just as a precaution. ");
373 } else {
374 strcat(say_at_end, "Data archived OK. ");
375 }
376 }
377
378/* If we're meant to verify then verify */
379 if (bkpinfo->verify_data) {
380 res = verify_data(bkpinfo);
381 if (res < 0) {
382 sprintf(tmp, "%d difference%c found.", -res,
383 (-res != 1) ? 's' : ' ');
384 strcat(say_at_end, tmp);
385 log_to_screen(tmp);
386 res = 0;
387 }
388 retval += res;
389 }
390
391/* Offer to write floppy disk images to physical disks */
392 if (bkpinfo->backup_data && !g_skip_floppies) {
393 res = offer_to_write_boot_floppies_to_physical_disks(bkpinfo);
394 retval += res;
395// res = offer_to_write_boot_ISO_to_physical_CD(bkpinfo);
396// retval += res;
397 }
398
399/* Report result of entire operation (success? errors?) */
400 if (!retval) {
401 mvaddstr_and_log_it(g_currentY++, 0,
402 "Backup and/or verify ran to completion. Everything appears to be fine.");
403 } else {
404 mvaddstr_and_log_it(g_currentY++, 0,
405 "Backup and/or verify ran to completion. However, errors did occur.");
406 }
407
408 if (does_file_exist("/var/cache/mindi/mondorescue.iso")) {
409 log_to_screen
410 ("/var/cache/mindi/mondorescue.iso, a boot/utility CD, is available if you want it.");
411 }
412
413
414 if (length_of_file("/tmp/changed.files") > 2) {
415 if (g_text_mode) {
416 log_to_screen
417 ("Type 'less /tmp/changed.files' to see which files don't match the archives");
418 } else {
419 mr_msg(1,
420 "Type 'less /tmp/changed.files' to see which files don't match the archives");
421 mr_msg(2, "Calling popup_changelist_from_file()");
422 popup_changelist_from_file("/tmp/changed.files");
423 mr_msg(2, "Returned from popup_changelist_from_file()");
424 }
425 } else {
426 unlink("/tmp/changed.files");
427 }
428 log_to_screen(say_at_end);
429 sprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
430 run_program_and_log_output(tmp, TRUE);
431 run_program_and_log_output(g_erase_tmpdir_and_scratchdir, TRUE);
432
433 run_program_and_log_output("mount", 2);
434
435 system("rm -f /var/cache/mondo-archive/last-backup.aborted");
436 system("rm -Rf /tmp.mondo.* /mondo.scratch.*");
437 if (!retval) {
438 printf("Mondoarchive ran OK.\n");
439 } else {
440 printf("Errors occurred during backup. Please check logfile.\n");
441 }
442 distro_specific_kludges_at_end_of_mondoarchive();
443 register_pid(0, "mondo");
444 set_signals(FALSE);
445 chdir("/tmp"); // just in case there's something wrong with g_erase_tmpdir_and_scratchdir
446 system(g_erase_tmpdir_and_scratchdir);
447 free_libmondo_global_strings();
448 mr_free(say_at_end);
449 mr_free(tmp);
450 mr_free(bkpinfo);
451
452 unlink("/tmp/filelist.full");
453 unlink("/tmp/filelist.full.gz");
454
455 if (!g_cdrom_drive_is_here) {
456 mr_msg(10, "FYI, g_cdrom_drive_is_here was never used");
457 }
458 if (!g_dvd_drive_is_here) {
459 mr_msg(10, "FYI, g_dvd_drive_is_here was never used");
460 }
461
462 /* finalize log file with time stamp */
463 mr_msg(0, "Time finished: %s", mr_date());
464 mr_msg_close();
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 finish(retval);
471 } else {
472 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
473 exit(retval);
474 }
475
476 return EXIT_SUCCESS;
477}
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