source: MondoRescue/tags/3.2.2/mondo/src/mondoarchive/mondoarchive.c

Last change on this file was 3789, checked in by Bruno Cornec, 21 months ago

More fixes for global vars which should not be initialized when declared with extern
  • Property svn:keywords set to Id
File size: 13.1 KB
Line 
1/***************************************************************************
2$Id: mondoarchive.c 3789 2022-08-24 19:17:43Z bruno $
3* The main file for mondoarchive.
4*/
5
6/************************* #include statements *************************/
7#include <pthread.h>
8#include <stdio.h>
9#include <stdlib.h>
10#include "my-stuff.h"
11#include "mr_mem.h"
12#include "mr_str.h"
13#include "mr_msg.h"
14#include "../common/mondostructures.h"
15#include "../common/libmondo.h"
16#include "../common/libmondo-cli-EXT.h"
17#include "../common/libmondo-tools-EXT.h"
18#include "mondoarchive.h"
19
20// for CVS
21//static char cvsid[] = "$Id: mondoarchive.c 3789 2022-08-24 19:17:43Z bruno $";
22
23/************************* external variables *************************/
24extern void set_signals(int);
25extern int g_current_media_number;
26extern int g_currentY;
27extern bool g_text_mode;
28extern char *g_boot_mountpt;
29extern bool g_remount_floppy_at_end;
30extern char *g_cdrw_drive_is_here;
31static char *g_cdrom_drive_is_here = NULL;
32static char *g_dvd_drive_is_here = NULL;
33extern double g_kernel_version;
34
35/***************** global vars, used only by main.c ******************/
36long diffs = 0L;
37
38extern t_bkptype g_backup_media_type;
39extern int g_loglevel;
40
41extern char *g_magicdev_command;
42
43/**
44 * Whether we're restoring from ISOs. Obviously not, since this is the
45 * backup program.
46 * @note You @b MUST declare this variable somewhere in your program if
47 * you use libmondo. Otherwise the link will fail.
48 * @ingroup globalGroup
49 */
50bool g_ISO_restore_mode = FALSE;
51
52/* Whether we should fail immediately at first error */
53bool g_fail_immediately = FALSE;
54
55/* Do we use extended attributes and acl ?
56 * * By default no, use --acl & --attr options to force their usage */
57char *g_getfacl = NULL;
58char *g_getfattr = NULL;
59char *g_mondo_home = NULL;
60
61/* Reference to global bkpinfo */
62struct s_bkpinfo *bkpinfo;
63
64/* No cleanup for the moment */
65void (*mr_cleanup)(void) = NULL;
66
67/* To be coded */
68void free_MR_global_filenames(void) {
69}
70
71/****************** subroutines used only by main.c ******************/
72
73
74/**
75 * Print a "don't panic" message to the log and a message about the logfile to the screen.
76 */
77void welcome_to_mondoarchive(void)
78{
79 char *tmp = NULL;
80
81 log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org", PACKAGE_VERSION);
82 log_msg(0, "running %s binaries", get_architecture());
83 tmp = get_uname_m();
84 log_msg(0, "running on %s architecture", tmp);
85 mr_free(tmp);
86 log_msg(0, "-----------------------------------------------------------");
87 log_msg(0, "NB: Mondo logs almost everything, so don't panic if you see");
88 log_msg(0, "some error messages. Please read them carefully before you");
89 log_msg(0, "decide to break out in a cold sweat. Despite (or perhaps");
90 log_msg(0, "because of) the wealth of messages. some users are inclined");
91 log_msg(0, "to stop reading this log. If Mondo stopped for some reason,");
92 log_msg(0, "chances are it's detailed here. More than likely there's a");
93 log_msg(0, "message at the very end of this log that will tell you what");
94 log_msg(0, "is wrong. Please read it! -Devteam");
95 log_msg(0, "-----------------------------------------------------------");
96
97 log_msg(0, "Zero...");
98 log_msg(1, "One...");
99 log_msg(2, "Two...");
100 log_msg(3, "Three...");
101 log_msg(4, "Four...");
102 log_msg(5, "Five...");
103 log_msg(6, "Six...");
104 log_msg(7, "Seven...");
105 log_msg(8, "Eight...");
106 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
107}
108
109
110/**
111 * Do whatever is necessary to insure a successful backup on the Linux distribution
112 * of the day.
113 */
114void distro_specific_kludges_at_start_of_mondoarchive(void)
115{
116 log_msg(2, "Unmounting old ramdisks if necessary");
117 stop_magicdev_if_necessary(); // for RH+Gnome users
118 /*
119 run_program_and_log_output
120 ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
121 */
122 unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
123 // stop_autofs_if_necessary(); // for Xandros users
124 mount_boot_if_necessary(); // for Gentoo users with non-mounted /boot partitions
125 clean_up_KDE_desktop_if_necessary(); // delete various misc ~/.* files that get in the way
126}
127
128
129
130/**
131 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
132 */
133void distro_specific_kludges_at_end_of_mondoarchive(void)
134{
135 log_msg(2, "Restarting magicdev if necessary");
136 sync();
137 restart_magicdev_if_necessary(); // for RH+Gnome users
138
139 log_msg(2, "Restarting autofs if necessary");
140 sync();
141 // restart_autofs_if_necessary(); // for Xandros users
142
143 log_msg(2, "Restarting supermounts if necessary");
144 sync();
145 remount_supermounts_if_necessary(); // for Mandrake users
146
147 log_msg(2, "Unmounting /boot if necessary");
148 sync();
149 unmount_boot_if_necessary(); // for Gentoo users
150
151// log_msg( 2, "Cleaning up KDE desktop");
152// clean_up_KDE_desktop_if_necessary();
153}
154
155
156/**
157 * Backup/verify the user's data.
158 * What did you think it did, anyway? :-)
159 */
160int main(int argc, char *argv[])
161{
162 char *tmp = NULL;
163 char *tmp1 = NULL;
164 int res = 0;
165 int retval = 0;
166 char *say_at_end = NULL;
167 FILE *fin = NULL;
168
169 /* If -V, -v or --version then echo version no. and quit */
170 if (argc == 2 && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V") || !strcmp(argv[argc - 1], "--version"))) {
171 printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
172 if (getuid() != 0) fprintf(stderr, "Please run the mondoarchive command as root.\n");
173 exit(0);
174 }
175
176 /* Make sure I'm root; abort if not */
177 if (getuid() != 0) {
178 fprintf(stderr, "Please run as root.\n");
179 exit(127);
180 }
181
182 /* initialize log file with time stamp */
183 unlink(MONDO_LOGFILE);
184 log_msg(0, "Time started: %s", mr_date());
185
186 /* Initialize variables */
187 if (!(bkpinfo = (struct s_bkpinfo *)malloc(sizeof(struct s_bkpinfo)))) {
188 fprintf(stderr, "Cannot malloc bkpinfo\n");
189 exit(-1);
190 }
191 /* Now on we can use finish to exit as bkpingo has been initialized */
192 log_msg(9, "reset_bkpinfo");
193 reset_bkpinfo();
194
195 /* Memory allocation is done in those functions */
196 malloc_libmondo_global_strings();
197
198 /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
199 mr_asprintf(tmp1,"%s:/sbin:/usr/sbin:/usr/local/sbin",getenv("PATH"));
200 setenv("PATH", tmp1, 1);
201 mr_free(tmp1);
202
203 /* Add the ARCH environment variable for ia64 purposes */
204 mr_asprintf(tmp1,"%s",get_architecture());
205 setenv("ARCH", tmp1, 1);
206 mr_free(tmp1);
207
208 /* Add MONDO_SHARE environment variable for mindi */
209 setenv_mondo_share();
210
211 /* Configure the bkpinfo structure, global file paths, etc. */
212 g_main_pid = getpid();
213 log_msg(9, "This");
214
215 set_signals(TRUE); // catch SIGTERM, etc.
216 run_program_and_log_output("dmesg -n1", TRUE);
217
218 log_msg(9, "Next");
219 make_hole_for_dir(MONDO_CACHE);
220
221 welcome_to_mondoarchive();
222 distro_specific_kludges_at_start_of_mondoarchive();
223 g_kernel_version = get_kernel_version();
224
225 if (argc == 4 && !strcmp(argv[1], "getfattr")) {
226 g_loglevel = 10;
227 setup_newt_stuff();
228 if (!strstr(argv[2], "filelist")) {
229 printf("Sorry - filelist goes first\n");
230 finish(1);
231 } else {
232 finish(get_fattr_list(argv[2], argv[3]));
233 }
234 finish(0);
235 }
236 if (argc == 4 && !strcmp(argv[1], "setfattr")) {
237 g_loglevel = 10;
238 setup_newt_stuff();
239 finish(set_fattr_list(argv[2], argv[3]));
240 }
241
242 if (argc == 3 && !strcmp(argv[1], "wildcards")) {
243 g_loglevel = 10;
244 setup_newt_stuff();
245 tmp1 = mr_stresc(argv[2], "[]*?", '\\', '\'');
246 printf("in=%s; out=%s\n", argv[2], tmp1);
247 mr_free(tmp1);
248 finish(1);
249 }
250
251 if (argc == 4 && !strcmp(argv[1], "getfacl")) {
252 g_loglevel = 10;
253 setup_newt_stuff();
254 if (!strstr(argv[2], "filelist")) {
255 printf("Sorry - filelist goes first\n");
256 finish(1);
257 } else {
258 finish(get_acl_list(argv[2], argv[3]));
259 }
260 finish(0);
261 }
262 if (argc == 4 && !strcmp(argv[1], "setfacl")) {
263 g_loglevel = 10;
264 setup_newt_stuff();
265 finish(set_acl_list(argv[2], argv[3]));
266 }
267 if (argc >= 2 && !strcmp(argv[1], "mkraidtab")) {
268 g_loglevel = 10;
269 setup_newt_stuff();
270#undef MDSTAT_FILE
271#define MDSTAT_FILE "/tmp/mdstat"
272 if (!(fin = fopen(MDSTAT_FILE, "r"))) {
273 log_msg(1, "Could not open %s.", MDSTAT_FILE);
274 finish(1);
275 }
276
277 create_raidtab_from_mdstat(MDSTAT_FILE,"/tmp/raidtab");
278 finish(0);
279 }
280
281 if (argc > 2 && !strcmp(argv[1], "find-cd")) {
282 g_loglevel = 10;
283 setup_newt_stuff();
284 malloc_string(tmp);
285 if (find_cdrw_device(tmp)) {
286 printf("Failed to find CDR-RW drive\n");
287 } else {
288 printf("CD-RW is at %s\n", tmp);
289 }
290 tmp[0] = '\0';
291 if (find_cdrom_device(tmp, atoi(argv[2]))) {
292 printf("Failed to find CD-ROM drive\n");
293 } else {
294 printf("CD-ROM is at %s\n", tmp);
295 }
296 mr_free(tmp);
297 finish(0);
298 }
299
300 if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
301 g_loglevel = 10;
302 setup_newt_stuff();
303 malloc_string(tmp);
304 if (find_dvd_device(tmp, atoi(argv[2]))) {
305 printf("Failed to find DVD drive\n");
306 } else {
307 printf("DVD is at %s\n", tmp);
308 }
309 mr_free(tmp);
310 finish(0);
311 }
312
313 if (argc > 2 && !strcmp(argv[1], "disksize")) {
314 printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
315 finish(0);
316 }
317 if (argc > 2 && !strcmp(argv[1], "test-dev")) {
318 if (is_dev_an_NTFS_dev(argv[2])) {
319 printf("%s is indeed an NTFS dev\n", argv[2]);
320 } else {
321 printf("%s is _not_ an NTFS dev\n", argv[2]);
322 }
323 finish(0);
324 }
325
326 /* setup log level for new log system as well */
327 mr_msg_init(MONDO_LOGFILE,g_loglevel);
328
329 if (pre_param_configuration()) {
330 fatal_error("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
331 }
332
333 /* Process command line, if there is one. If not, ask user for info. */
334 if (argc == 1) {
335 g_text_mode = FALSE;
336 setup_newt_stuff();
337 res = interactively_obtain_media_parameters_from_user(TRUE); /* yes, archiving */
338 if (res) {
339 fatal_error("Syntax error. Please review the parameters you have supplied and try again.");
340 }
341 } else {
342 res = handle_incoming_parameters(argc, argv);
343 if (res) {
344 printf("Errors were detected in the command line you supplied.\n");
345 printf("Please review the log file - %s\n", MONDO_LOGFILE );
346 log_msg(1, "Mondoarchive will now exit.");
347 finish(1);
348 }
349 setup_newt_stuff();
350 }
351
352 /* Finish configuring global structures */
353 if (post_param_configuration()) {
354 fatal_error("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
355 }
356
357 /* If we're meant to backup then backup */
358 if (bkpinfo->backup_data) {
359 res = backup_data();
360 retval += res;
361 if (res) {
362 mr_asprintf(say_at_end, "Data archived. Please check the logs, just as a precaution. ");
363 } else {
364 mr_asprintf(say_at_end, "Data archived OK. ");
365 }
366 }
367
368/* If we're meant to verify then verify */
369 if (bkpinfo->verify_data) {
370 res = verify_data();
371 if (res < 0) {
372 mr_asprintf(tmp, "%d difference%c found.", -res, (-res != 1) ? 's' : ' ');
373 mr_asprintf(say_at_end, "%s", tmp);
374 log_to_screen(tmp);
375 mr_free(tmp);
376 res = 0;
377 }
378 retval += res;
379 }
380
381/* Report result of entire operation (success? errors?) */
382 if (!retval) {
383 mvaddstr_and_log_it(g_currentY++, 0, "Backup and/or verify ran to completion. Everything appears to be fine.");
384 } else {
385 mvaddstr_and_log_it(g_currentY++, 0, "Backup and/or verify ran to completion. However, errors did occur.");
386 }
387
388 if (does_file_exist(MINDI_CACHE"/mindi.iso")) {
389 log_to_screen(MINDI_CACHE"/mindi.iso, a boot/utility CD, is available if you want it.");
390 }
391
392 if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
393 if (g_text_mode) {
394 log_to_screen("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
395 } else {
396 log_msg(1, "Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
397 log_msg(2, "Calling popup_changelist_from_file()");
398 popup_changelist_from_file(MONDO_CACHE"/changed.files");
399 log_msg(2, "Returned from popup_changelist_from_file()");
400 }
401 } else {
402 unlink(MONDO_CACHE"/changed.files");
403 }
404 if (say_at_end != NULL) {
405 log_to_screen(say_at_end);
406 mr_free(say_at_end);
407 }
408 mr_asprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
409 run_program_and_log_output(tmp, TRUE);
410 mr_free(tmp);
411 if (bkpinfo->backup_media_type == usb) {
412 log_msg(1, "Unmounting USB device.");
413 if (bkpinfo->media_device == NULL) {
414 fatal_error("USB device set to NULL");
415 }
416 mr_asprintf(tmp, "umount %s1", bkpinfo->media_device);
417 run_program_and_log_output(tmp, TRUE);
418 mr_free(tmp);
419 }
420
421 run_program_and_log_output("mount", 2);
422
423 paranoid_system("rm -f "MONDO_CACHE"/last-backup.aborted");
424 if (!retval) {
425 printf("Mondoarchive ran OK.\n");
426 } else {
427 printf("Errors occurred during backup. Please check logfile.\n");
428 }
429 distro_specific_kludges_at_end_of_mondoarchive();
430 set_signals(FALSE);
431
432 free_libmondo_global_strings();
433
434
435 if (!g_cdrom_drive_is_here) {
436 log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
437 }
438 if (!g_dvd_drive_is_here) {
439 log_msg(10, "FYI, g_dvd_drive_is_here was never used");
440 }
441
442 /* finalize log file with time stamp */
443 log_msg(0, "Time finished: %s", mr_date());
444
445 if (chdir("/tmp")) {
446 // FIXME
447 }
448
449 if (!g_text_mode) {
450 popup_and_OK("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
451 log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
452 } else {
453 printf("See %s for details of backup run.\n", MONDO_LOGFILE);
454 }
455 mr_msg_close();
456 finish(retval);
457
458 return EXIT_SUCCESS;
459}
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