source: MondoRescue/branches/3.3/mondo/src/common/libmondo-tools.c@ 3879

Last change on this file since 3879 was 3879, checked in by Bruno Cornec, 4 months ago

Fix all remaining compiler errors
  • Property svn:keywords set to Id
File size: 40.3 KB
Line 
1/*
2 $Id: libmondo-tools.c 3879 2024-03-09 02:10:04Z bruno $
3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
12#include "mr_mem.h"
13#include "mr_sys.h"
14#include "mondostructures.h"
15
16#include "libmondo-gui-EXT.h"
17#include "libmondo-files-EXT.h"
18#include "libmondo-fork-EXT.h"
19#include "libmondo-raid-EXT.h"
20#include "libmondo-devices-EXT.h"
21#include <sys/socket.h>
22#include <netdb.h>
23#include <stdlib.h>
24#include <netinet/in.h>
25#include <arpa/inet.h>
26#include <sys/utsname.h>
27
28/*@unused@*/
29//static char cvsid[] = "$Id: libmondo-tools.c 3879 2024-03-09 02:10:04Z bruno $";
30
31extern int g_tape_buffer_size_MB;
32extern bool g_text_mode;
33extern int g_currentY;
34extern int g_current_media_number;
35extern char *MONDO_LOGFILE;
36
37/* Reference to global bkpinfo */
38extern struct s_bkpinfo *bkpinfo;
39
40/**
41 * @addtogroup globalGroup
42 * @{
43 */
44bool g_remount_cdrom_at_end; ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
45bool g_cd_recovery = FALSE; ///< TRUE if we're making an "autonuke" backup.
46double g_kernel_version;
47
48/**
49 * The place where /boot is mounted.
50 */
51char *g_boot_mountpt = NULL;
52
53/**
54 * The location of Mondo's home directory.
55 */
56extern char *g_mondo_home;
57
58/**
59 * The location where tmpfs is mounted, or "" if it's not mounted.
60char *g_tmpfs_mountpt = NULL;
61 */
62char *g_magicdev_command = NULL;
63
64/**
65 * The default maximum level to log messages at or below.
66 */
67int g_loglevel = DEFAULT_DEBUG_LEVEL;
68
69/* @} - end of globalGroup */
70
71
72extern pid_t g_buffer_pid;
73extern pid_t g_main_pid;
74
75extern t_bkptype g_backup_media_type;
76
77/*-----------------------------------------------------------*/
78
79
80/**
81 * @addtogroup utilityGroup
82 * @{
83 */
84/**
85 * Assertion handler. Prints a friendly message to the user,
86 * offering to ignore all, dump core, break to debugger,
87 * exit, or ignore. Intended to be used with an assert() macro.
88 *
89 * @param file The file in which the assertion triggered.
90 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
91 * @param line The line number of the assert() statement.
92 * @param exp The expression that failed (as a string).
93 */
94void _mondo_assert_fail(const char *file,
95 const char *function, int line, const char *exp)
96{
97 static int ignoring_assertions = 0;
98 bool is_valid = TRUE;
99
100 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line, function);
101 if (ignoring_assertions) {
102 log_it("Well, the user doesn't care...");
103 return;
104 }
105 if (!g_text_mode)
106 newtSuspend();
107 printf("ASSERTION FAILED: `%s'\n", exp);
108 printf("\tat %s:%d in %s\n\n", file, line, function);
109 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
110 do {
111 is_valid = TRUE;
112 switch (toupper(getchar())) {
113 case 'A': // ignore (A)ll
114 ignoring_assertions = 1;
115 break;
116 case 'B': // a(B)ort
117 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
118 raise(SIGABRT);
119 break; /* "can't get here" */
120 case 'D': // (D)ebug, aka asm("int 3")
121#ifdef __IA32__
122 __asm__ __volatile__("int $3"); // break to debugger
123#endif
124 break;
125 case 'E': // (E)xit
126 fatal_error("Failed assertion -- see above for details");
127 break; /* "can't get here" */
128 case 'I': // (I)gnore
129 break;
130 /* These next two work as follows:
131 the `default' catches the user's invalid choice and says so;
132 the '\n' catches the newline on the end and prints the prompt again.
133 */
134 case '\n':
135 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
136 break;
137 default:
138 is_valid = FALSE;
139 printf("Invalid choice.\n");
140 break;
141 }
142 } while (!is_valid);
143
144 if (ignoring_assertions) {
145 log_it("Ignoring ALL assertions from now on.");
146 } else {
147 log_it("Ignoring assertion: %s", exp);
148 }
149
150 getchar(); // skip \n
151
152 if (!g_text_mode)
153 newtResume();
154}
155
156/**
157 * Clean's up users' KDE desktops.
158 * @bug Details about this function are unknown.
159 */
160void clean_up_KDE_desktop_if_necessary(void)
161{
162 char *tmp = NULL;
163
164 mr_asprintf(tmp, "for i in `find /root /home -maxdepth 2 -type d -name Desktop -maxdepth 2`; do file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } else { print $0;};}' $file.old > $file ; fi ; done");
165 run_program_and_log_output(tmp, 5);
166 mr_free(tmp);
167}
168
169
170/**
171 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
172 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
173 *
174 * @param home_sz String to store the home directory ("" if it could not be found).
175 * @return 0 for success, nonzero for failure.
176 */
177int find_and_store_mondoarchives_home(char *home_sz)
178{
179 assert(home_sz != NULL);
180 strcpy(home_sz, MONDO_SHARE);
181 return (0);
182}
183
184
185char *get_architecture(void) {
186#ifdef __IA32__
187# ifdef __X86_64__
188 return ("x86_64");
189# else
190 return ("i386");
191# endif
192#endif
193#ifdef __IA64__
194 return ("ia64");
195#endif
196 return ("unknown");
197}
198
199
200char *get_uname_m(void) {
201
202 struct utsname utsn;
203 char *tmp = NULL;
204
205 uname(&utsn);
206 mr_asprintf(tmp, "%s", utsn.machine);
207 return (tmp);
208}
209
210
211
212double get_kernel_version(void)
213{
214 char *p = NULL;
215 char *tmp = NULL;
216 double d;
217#ifdef __FreeBSD__
218 // JOSH - FIXME :)
219 d = 5.2; // :-)
220#else
221 tmp = call_program_and_get_last_line_of_output("uname -r");
222 p = strchr(tmp, '.');
223 if (p) {
224 p = strchr(++p, '.');
225 if (p) {
226 while (*p) {
227 *p = *(p + 1);
228 p++;
229 }
230 }
231 }
232 d = atof(tmp);
233 mr_free(tmp);
234#endif
235 log_msg(1, "g_kernel_version = %f", d);
236
237 if (g_kernel_version < 2.6) {
238 fatal_error("Please use MondoRescue < 3.3.0 to support that old kernel or upgrade your distribution :-)");
239 }
240 return(d);
241}
242
243
244/**
245 * Get the current time.
246 * @return number of seconds since the epoch.
247 */
248long get_time()
249{
250 return (long) time((void *) 0);
251}
252
253
254/**
255 * Initialize a RAID volume structure, setting fields to zero. The
256 * actual hard drive is unaffected.
257 *
258 * @param raidrec The RAID volume structure to initialize.
259 * @note This function is system dependent.
260 */
261#ifdef __FreeBSD__
262void initialize_raidrec(struct vinum_volume *raidrec)
263{
264 int i, j;
265 raidrec->volname[0] = '\0';
266 raidrec->plexes = 0;
267 for (i = 0; i < 9; ++i) {
268 raidrec->plex[i].raidlevel = -1;
269 raidrec->plex[i].stripesize = 0;
270 raidrec->plex[i].subdisks = 0;
271 for (j = 0; j < 9; ++j) {
272 strcpy(raidrec->plex[i].sd[j].which_device, "");
273 }
274 }
275}
276#else
277void initialize_raidrec(struct raid_device_record *raidrec)
278{
279 assert(raidrec != NULL);
280 raidrec->raid_device[0] = '\0';
281 raidrec->raid_level = -9;
282 raidrec->persistent_superblock = 1;
283 raidrec->chunk_size = 64;
284 raidrec->parity = -1;
285 raidrec->data_disks.entries = 0;
286 raidrec->spare_disks.entries = 0;
287 raidrec->parity_disks.entries = 0;
288 raidrec->failed_disks.entries = 0;
289 raidrec->additional_vars.entries = 0;
290}
291#endif
292
293
294
295
296/**
297 * Insert modules that Mondo requires.
298 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
299 * @c msdosfs and @c ext2fs for FreeBSD.
300 */
301void insmod_crucial_modules(void)
302{
303#ifdef __FreeBSD__
304 paranoid_system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
305 paranoid_system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
306#else
307 paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
308#endif
309}
310
311/* compute the final options for bootable media, considering the command and the boot type */
312char *mr_compute_uefi_string(char *isofs_cmd) {
313
314 char *uefistr = NULL;
315 char *mondo_mkisofs_sz = NULL;
316
317 /* real media */
318 if (strstr(isofs_cmd,"growisofs")) {
319 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
320 } else {
321 /* iso image */
322 if (bkpinfo->boot_type == UEFI) {
323 if (strstr(isofs_cmd,"xorriso")) {
324 /* xorriso needs another '-' before efi-boot */
325 mr_asprintf(uefistr, "%s -%s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
326 } else {
327 mr_asprintf(uefistr, "%s %s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
328 }
329 } else {
330 mr_asprintf(uefistr, "%s",MONDO_MKISOFS_CMS);
331 }
332 mr_asprintf(mondo_mkisofs_sz, "%s%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX, uefistr);
333 }
334
335 return(mondo_mkisofs_sz);
336}
337
338/**
339 * Finish configuring the backup information structure. Call this function
340 * to set the parameters that depend on those that can be given on the command
341 * line.
342 *
343 * @param bkpinfo The backup information structure. Fields modified/used:
344 * - Used: @c bkpinfo->backup_data
345 * - Used: @c bkpinfo->backup_media_type
346 * - Used: @c bkpinfo->cdrw_speed
347 * - Used: @c bkpinfo->compression_level
348 * - Used: @c bkpinfo->include_paths
349 * - Used: @c bkpinfo->prefix
350 * - Used: @c bkpinfo->isodir
351 * - Used: @c bkpinfo->manual_cd_tray
352 * - Used: @c bkpinfo->make_cd_use_lilo
353 * - Used: @c bkpinfo->media_device
354 * - Used: @c bkpinfo->netfs_mount
355 * - Used: @c bkpinfo->nonbootable_backup
356 * - Used: @c bkpinfo->scratchdir
357 * - Used: @c bkpinfo->tmpdir
358 * - Used: @c bkpinfo->use_lzo
359 * - Modified: @c bkpinfo->call_before_iso
360 * - Modified: @c bkpinfo->call_make_iso
361 * - Modified: @c bkpinfo->optimal_set_size
362 * - Modified: @c bkpinfo->zip_exe
363 * - Modified: @c bkpinfo->zip_suffix
364 *
365 * @return number of errors, or 0 for success.
366 * @note Also creates directories that are specified in the @c bkpinfo structure but
367 * do not exist.
368 */
369int post_param_configuration()
370{
371 char *extra_cdrom_params = NULL;
372 char *mondo_mkisofs_sz = NULL;
373 char *command = NULL;
374 char *isofs_cmd = NULL;
375 int retval = 0;
376 char *cdr_exe = NULL;
377 char *tmp = NULL;
378 char *call_before_iso_user = NULL;
379 char *iso_dev = NULL;
380 char *iso_mnt = NULL;
381 char *iso_tmp = NULL;
382 char *iso_dir = NULL;
383
384 assert(bkpinfo != NULL);
385
386 bkpinfo->optimal_set_size = (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * 1024L;
387
388 log_msg(1, "Post-param");
389 if (bkpinfo->backup_media_type == tape) {
390 if (whine_if_not_found("mt") == 1) {
391 fatal_error("Please install the mt command");
392 }
393 log_msg(1, "Tape");
394 if (bkpinfo->media_device == NULL) {
395 return(1);
396 }
397 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
398 log_msg(1, "tmp = '%s'", tmp);
399 if (run_program_and_log_output(tmp, 3)) {
400 mr_free(tmp);
401 fatal_error("Unable to open tape device. If you haven't specified it with -d, do so. If you already have, check your parameter. I think it's wrong.");
402 }
403 mr_free(tmp);
404 }
405 if (bkpinfo->backup_media_type == iso)
406 make_hole_for_dir(bkpinfo->isodir);
407
408 run_program_and_log_output("uname -a", 5);
409 run_program_and_log_output("cat /etc/*-release", 5);
410 run_program_and_log_output("cat /etc/*issue*", 5);
411#ifdef __FreeBSD__
412#else
413 run_program_and_log_output("cat /proc/cpuinfo", 5);
414 /*
415 run_program_and_log_output("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", 5);
416 */
417#endif
418
419 if (bkpinfo->use_lzo) {
420 mr_asprintf(bkpinfo->zip_exe, "%s", "lzop");
421 mr_asprintf(bkpinfo->zip_suffix, "%s", "lzo");
422 } else if (bkpinfo->use_gzip) {
423 mr_asprintf(bkpinfo->zip_exe, "%s", "gzip");
424 mr_asprintf(bkpinfo->zip_suffix, "%s", "gz");
425 } else if (bkpinfo->use_lzma) {
426 mr_asprintf(bkpinfo->zip_exe, "%s", "xz");
427 mr_asprintf(bkpinfo->zip_suffix, "%s", "xz");
428 } else if (bkpinfo->compression_level != 0) {
429 mr_asprintf(bkpinfo->zip_exe, "%s", "bzip2");
430 mr_asprintf(bkpinfo->zip_suffix, "%s", "bz2");
431 } else {
432 mr_free(bkpinfo->zip_exe);
433 mr_free(bkpinfo->zip_suffix);
434 }
435
436// DVD
437
438 if (bkpinfo->backup_media_type == dvd) {
439 if ((cdr_exe = find_home_of_exe("growisofs")) == NULL) {
440 fatal_error("Please install growisofs.");
441 }
442 if (bkpinfo->nonbootable_backup) {
443 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
444 } else if
445#ifdef __FreeBSD__
446 (TRUE)
447#else
448 (bkpinfo->make_cd_use_lilo)
449#endif
450#ifdef __IA64__
451 {
452 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
453 }
454#else
455 {
456 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
457 }
458#endif
459 else {
460 mondo_mkisofs_sz = mr_compute_uefi_string(cdr_exe);
461 }
462 mr_free(cdr_exe);
463
464 if (bkpinfo->manual_cd_tray) {
465 fatal_error("Manual CD tray + DVD not supported yet.");
466 // -m isn't supported by growisofs, BTW...
467 } else {
468 mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
469 }
470 mr_free(mondo_mkisofs_sz);
471 if (getenv ("SUDO_COMMAND")) {
472 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
473 tmp = call_program_and_get_last_line_of_output(command);
474 mr_free(command);
475 if (!strcmp(tmp, "1")) {
476 mr_free(tmp);
477 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
478 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
479 }
480 mr_free(tmp);
481 }
482 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
483 } // end of DVD code
484
485// CD-R or CD-RW
486 if (bkpinfo->backup_media_type == cdr) {
487 if (!bkpinfo->manual_cd_tray) {
488 mr_asprintf(extra_cdrom_params, "-waiti ");
489 }
490 mr_asprintf(extra_cdrom_params, "%s", "blank=fast ");
491 if ((cdr_exe = find_home_of_exe("cdrecord")) == NULL) {
492 if ((cdr_exe = find_home_of_exe("wodim")) == NULL) {
493 if ((cdr_exe = find_home_of_exe("dvdrecord")) == NULL) {
494 fatal_error("Please install either cdrecord, wodim or dvdrecord.");
495 }
496 }
497 }
498 if ((tmp = find_home_of_exe("xorriso")) != NULL) {
499 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_XORRISO_OPT);
500 } else if ((tmp = find_home_of_exe("genisoimage")) != NULL) {
501 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_GENISOIMAGE_OPT);
502 } else if ((tmp = find_home_of_exe("mkisofs")) != NULL) {
503 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_MKISOFS_OPT);
504 } else if ((tmp = find_home_of_exe("wodim")) != NULL) {
505 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_WODIM_OPT);
506 } else {
507 fatal_error("Unable to find a command to create ISO among xorriso, genisoimage, mksiofs or wodim, please install one");
508 }
509 mr_free(tmp);
510
511 if (bkpinfo->nonbootable_backup) {
512 mr_asprintf(mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
513 } else if
514#ifdef __FreeBSD__
515 (TRUE)
516#else
517 (bkpinfo->make_cd_use_lilo)
518#endif
519#ifdef __IA64__
520 {
521 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
522 }
523#else
524 {
525 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
526 }
527#endif
528 else {
529 mondo_mkisofs_sz = mr_compute_uefi_string(isofs_cmd);
530 }
531 mr_free(isofs_cmd);
532
533 if (bkpinfo->manual_cd_tray) {
534 if (bkpinfo->call_before_iso == NULL) {
535 mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
536 } else {
537 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
538 mr_free(bkpinfo->call_before_iso);
539 mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
540 mr_free(call_before_iso_user);
541 }
542 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
543 mr_asprintf(bkpinfo->call_make_iso, "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed, bkpinfo->tmpdir);
544 } else {
545 mr_asprintf(bkpinfo->call_make_iso, "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -", mondo_mkisofs_sz, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed);
546 }
547 mr_free(cdr_exe);
548 mr_free(mondo_mkisofs_sz);
549 mr_free(extra_cdrom_params);
550 } // end of CD code
551
552 if (bkpinfo->backup_media_type == iso) {
553
554/* Break up isodir into iso_mnt and iso_dir
555 * These will be used along with iso-dev at restore time
556 * to locate the ISOs where ever they're mounted
557 */
558
559 log_it("isodir = %s", bkpinfo->isodir);
560 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
561 log_it("command = %s", command);
562 iso_dev = call_program_and_get_last_line_of_output(command);
563 log_it("res of it = %s", iso_dev);
564 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
565 write_one_liner_data_file(tmp, iso_dev);
566 mr_free(tmp);
567 mr_free(command);
568
569 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
570 mr_free(iso_dev);
571
572 log_it("command = %s", command);
573 iso_mnt = call_program_and_get_last_line_of_output(command);
574 log_it("res of it = %s", iso_mnt);
575 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
576 write_one_liner_data_file(tmp, iso_mnt);
577 mr_free(tmp);
578 mr_free(command);
579
580 log_it("iso_mnt: %s, %d", iso_mnt, strlen(iso_mnt));
581 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
582 if (strlen(iso_tmp) < strlen(iso_mnt)) {
583 mr_asprintf(iso_dir, "%s", "");
584 } else {
585 // If iso_mnt is only / then iso_dir is the full dir
586 // (the formula bellow doesn't work in this case)
587 if (strcmp(iso_mnt, "/") == 0) {
588 mr_asprintf(iso_dir, "%s", iso_tmp);
589 // else it's a part of iso_tmp
590 } else {
591 mr_asprintf(iso_dir, "%s", iso_tmp + strlen(iso_mnt));
592 }
593 }
594 mr_free(iso_mnt);
595 mr_free(iso_tmp);
596
597 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
598 write_one_liner_data_file(tmp, iso_dir);
599 mr_free(tmp);
600
601 log_it("iso-dir: %s", iso_dir);
602 mr_free(iso_dir);
603
604 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
605 write_one_liner_data_file(tmp, bkpinfo->prefix);
606 mr_free(tmp);
607
608 log_it("iso-prefix: %s", bkpinfo->prefix);
609
610/* End patch */
611 } // end of iso code
612
613 if (bkpinfo->backup_media_type == netfs) {
614 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
615 write_one_liner_data_file(tmp, bkpinfo->prefix);
616 mr_free(tmp);
617
618 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
619 write_one_liner_data_file(tmp, bkpinfo->isodir);
620 mr_free(tmp);
621
622 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
623 write_one_liner_data_file(tmp, bkpinfo->netfs_remote_dir);
624 mr_free(tmp);
625
626 if (bkpinfo->netfs_mount) {
627 mr_asprintf(tmp, "%s/NETFS-SERVER-MOUNT", bkpinfo->tmpdir);
628 write_one_liner_data_file(tmp, bkpinfo->netfs_mount);
629 mr_free(tmp);
630 } else {
631 log_it("netfs_mount is NULL");
632 retval++;
633 }
634 }
635
636 log_it("Finished processing incoming params");
637 if (retval) {
638 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
639 }
640 if (bkpinfo->include_paths == NULL) {
641 mr_asprintf(bkpinfo->include_paths, "/");
642 }
643 g_backup_media_type = bkpinfo->backup_media_type;
644 return (retval);
645}
646
647
648
649/**
650 * Check the user's system for sanity. Checks performed:
651 * - make sure user has enough RAM (32mb required, 64mb recommended)
652 * - make sure user has enough free space in @c /
653 * - check kernel for ramdisk support
654 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
655 * - make sure CD-ROM is unmounted
656 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
657 *
658 * @return number of problems with the user's setup (0 for success)
659 */
660int some_basic_system_sanity_checks()
661{
662
663 /*@ buffers ************ */
664 char *tmp = NULL;
665
666 /*@ int's *************** */
667 int retval = 0;
668
669 mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
670#ifndef __FreeBSD__
671 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
672 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
673 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
674 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
675 }
676 tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2");
677 if (atol(tmp) < 35000) {
678 retval++;
679 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
680 }
681 if (atol(tmp) < 66000) {
682 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
683 }
684 mr_free(tmp);
685#endif
686
687 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
688 retval++;
689 log_to_screen("Unable to find " MKE2FS_OR_NEWFS " in system path.");
690 fatal_error("Please use \"su -\", not \"su\" to become root. OK?\n...and please don't e-mail the mailing list about this. Just read the message. :)");
691 }
692#ifndef __FreeBSD__
693 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
694 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
695 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
696 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
697 if (!ask_me_yes_or_no("Your kernel has no ramdisk support. That's mind-numbingly stupid but I'll allow it if you're planning to use another kernel. Are you?")) {
698 // retval++;
699 log_to_screen("It looks as if your kernel lacks ramdisk and initrd support.");
700 log_to_screen("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
701 }
702 }
703 }
704#endif
705 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
706 if (system("which xorriso > /dev/null 2> /dev/null")) {
707 if (system("which genisoimage > /dev/null 2> /dev/null")) {
708 retval += whine_if_not_found("mkisofs");
709 }
710 }
711 if (system("which wodim > /dev/null 2> /dev/null")) {
712 retval += whine_if_not_found("cdrecord");
713 }
714 retval += whine_if_not_found("bzip2");
715 retval += whine_if_not_found("gzip");
716 retval += whine_if_not_found("cmp");
717 retval += whine_if_not_found("awk");
718 retval += whine_if_not_found("md5sum");
719 retval += whine_if_not_found("strings");
720 retval += whine_if_not_found("mindi");
721 retval += whine_if_not_found("buffer");
722
723 // abort if Windows partition but no ms-sys and parted
724 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
725 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -Ew efi", 0)) {
726 log_to_screen("I think you have a EFI/UEFI partition.");
727 } else {
728 log_to_screen("I think you have a Windows 9x partition.");
729 }
730 retval += whine_if_not_found("parted");
731 }
732
733 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
734 tmp = call_program_and_get_last_line_of_output("mount | grep -E 'cdr(om|w)'");
735 if (strcmp("", tmp)) {
736 if (strstr(tmp, "autofs")) {
737 log_to_screen("Your CD-ROM is mounted via autofs. I therefore cannot tell");
738 log_to_screen("if a CD actually is inserted. If a CD is inserted, please");
739 log_to_screen("eject it. Thank you.");
740 log_it("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
741 } else
742 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
743 retval++;
744 mr_free(tmp);
745 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
746 }
747 }
748 mr_free(tmp);
749
750 run_program_and_log_output("cat /etc/fstab", 5);
751#ifdef __FreeBSD__
752 run_program_and_log_output("vinum printconfig", 5);
753#else
754 run_program_and_log_output("cat /etc/raidtab", 5);
755#endif
756
757 if (run_program_and_log_output("mindi -V", 1)) {
758 log_to_screen("Could not ascertain mindi's version number.");
759 log_to_screen("You have not installed Mondo and/or Mindi properly.");
760 log_to_screen("Please uninstall and reinstall them both.");
761 fatal_error("Please reinstall Mondo and Mindi.");
762 }
763 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
764 if (run_program_and_log_output(tmp, 5)) {
765 log_to_screen("%s failed for some reason.", tmp);
766 mr_free(tmp);
767 log_to_screen("Please run that command by hand and examine "MINDI_LOGFILE);
768 log_to_screen("for more information. Perhaps your /etc/fstab file is insane.");
769 log_to_screen("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
770 retval++;
771 }
772 mr_free(tmp);
773
774 if (!run_program_and_log_output("mr-parted2fdisk -l 2>/dev/null | grep -i raid", 1) && !does_file_exist("/etc/raidtab")) {
775 log_to_screen("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
776 create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
777 }
778
779 if (retval) {
780 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
781 } else {
782 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
783 }
784 return (retval);
785}
786
787
788
789/**
790 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
791 * Seeds the random-number generator, loads important modules, checks the sanity
792 * of the user's Linux distribution, and deletes logfile.
793 * @param bkpinfo The backup information structure. Will be initialized.
794 * @return number of errors (0 for success)
795 */
796int pre_param_configuration()
797{
798 int res = 0;
799 char *tmp = NULL;
800
801 make_hole_for_dir(MNT_CDROM);
802 assert(bkpinfo != NULL);
803 srandom((unsigned long) (time(NULL)));
804 insmod_crucial_modules();
805 if (bkpinfo->disaster_recovery) {
806 if (!does_nonMS_partition_exist()) {
807 fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
808 }
809 }
810
811 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
812 run_program_and_log_output(tmp, FALSE);
813 paranoid_free(tmp);
814 if (find_and_store_mondoarchives_home(g_mondo_home)) {
815 fprintf(stderr, "Cannot find Mondo's homedir. I think you have >1 'mondo' directory on your hard disk. Please delete the superfluous 'mondo' directories and try again\n");
816 res++;
817 return (res);
818 }
819 res += some_basic_system_sanity_checks();
820 if (res) {
821 log_it("Your distribution did not pass Mondo's sanity test.");
822 }
823 g_current_media_number = 1;
824 return (res);
825}
826
827/* From busybox under GPLv2 */
828#ifndef HAVE_MKDTEMP
829/* This is now actually part of POSIX.1, but was only added in 2008 */
830char* mkdtemp(char *template)
831{
832 if (mkstemp(template) == -1) {
833 return NULL;
834 }
835 unlink(template);
836 if (mkdir(template, 0700) != 0) {
837 return NULL;
838 }
839 return template;
840}
841#endif
842
843void setup_tmpdir(char *path) {
844
845 char *tmp = NULL;
846
847 if (bkpinfo->tmpdir != NULL) {
848 /* purging a potential old tmpdir */
849 if (chdir("/tmp")) {
850 // FIXME
851 }
852 if (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL) {
853 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
854 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
855 } else {
856 log_it("Purging old tmpdir %s/mondo.tmp.*", bkpinfo->tmpdir);
857 mr_asprintf(tmp,"rm -Rf %s/mondo.tmp.*",bkpinfo->tmpdir);
858 }
859 paranoid_system(tmp);
860 mr_free(tmp);
861 }
862
863 /* Always take in account arg first, then env, then default */
864 if (path != NULL) {
865 mr_system("mkdir -p %s",path);
866 log_it("Created temporary directory %s", path);
867 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
868 } else if (getenv("TMPDIR")) {
869 mr_system("mkdir -p %s",getenv("TMPDIR"));
870 log_it("Created temporary directory %s", getenv("TMPDIR"));
871 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
872 } else if (getenv("MRTMP")) {
873 mr_system("mkdir -p %s",getenv("MRTMP"));
874 log_it("Created temporary directory %s", getenv("MRTMP"));
875 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("MRTMP"));
876 } else {
877 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
878 }
879 mr_free(bkpinfo->tmpdir);
880 bkpinfo->tmpdir = mkdtemp(tmp);
881 if (bkpinfo->tmpdir == NULL) {
882 printf("Failed to create global tmp directory %s for Mondo.",tmp);
883 mr_free(tmp);
884 finish(-1);
885 }
886 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
887 mr_system("mkdir -p %s/tmpfs", bkpinfo->tmpdir);
888}
889
890void setup_scratchdir(char *path) {
891
892 char *tmp = NULL;
893
894 if (bkpinfo->scratchdir != NULL) {
895 /* purging a potential old scratchdir */
896 if (chdir("/tmp")) {
897 // FIXME
898 }
899 if (strstr(bkpinfo->scratchdir,"mondo.scratch.") != NULL) {
900 log_it("Purging old scratchdir %s", bkpinfo->scratchdir);
901 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->scratchdir);
902 } else {
903 log_it("Purging old scratchdir %s/mondo.scratch.*", bkpinfo->scratchdir);
904 mr_asprintf(tmp,"rm -Rf %s/mondo.scratch.*",bkpinfo->scratchdir);
905 }
906 paranoid_system(tmp);
907 mr_free(tmp);
908 }
909
910 /* Always take in account arg first, then env, then default */
911 if (path != NULL) {
912 mr_system("mkdir -p %s",path);
913 log_it("Created scratch directory %s", path);
914 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", path);
915 } else if (getenv("MRSCRATCH")) {
916 mr_system("mkdir -p %s",getenv("MRSCRATCH"));
917 log_it("Created scratch directory %s", getenv("MRSCRATCH"));
918 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", getenv("MRSCRATCH"));
919 } else {
920 mr_asprintf(tmp, "/tmp/mondo.scratch.XXXXXX");
921 }
922 mr_free(bkpinfo->scratchdir);
923 bkpinfo->scratchdir = mkdtemp(tmp);
924 if (bkpinfo->scratchdir == NULL) {
925 log_it("Failed to create global scratch directory %s for Mondo.",tmp);
926 mr_free(tmp);
927 finish(-1);
928 }
929 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
930 mr_system("mkdir -p %s", bkpinfo->scratchdir);
931}
932
933
934/**
935 * Reset all fields of the backup information structure to a sensible default.
936 * @param bkpinfo The @c bkpinfo to reset.
937 */
938void reset_bkpinfo()
939{
940 assert(bkpinfo != NULL);
941 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
942
943 bkpinfo->media_device = NULL;
944 bkpinfo->media_size = -1;
945 bkpinfo->boot_loader = '\0';
946 bkpinfo->boot_device = NULL;
947 bkpinfo->zip_exe = NULL;
948 bkpinfo->zip_suffix = NULL;
949 bkpinfo->image_devs = NULL;
950 bkpinfo->compression_level = 3;
951 bkpinfo->use_lzo = FALSE;
952 bkpinfo->use_gzip = FALSE;
953 bkpinfo->use_lzma = FALSE;
954 bkpinfo->verify_data = FALSE;
955 bkpinfo->backup_data = FALSE;
956 bkpinfo->restore_data = FALSE;
957 bkpinfo->use_star = FALSE;
958 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
959
960 /* We need tmpdir as early as possible for further function calls */
961 bkpinfo->tmpdir = NULL; // Really setup just after
962 bkpinfo->scratchdir = NULL; // Really setup just after
963 setup_tmpdir(NULL);
964 setup_scratchdir(NULL);
965
966 bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
967 if (bkpinfo->disaster_recovery) {
968 mr_asprintf(bkpinfo->isodir, "%s", "/");
969 } else {
970 mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
971 }
972 mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
973 bkpinfo->optimal_set_size = 0L;
974 bkpinfo->backup_media_type = none;
975 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
976 bkpinfo->exclude_paths = NULL;
977 bkpinfo->include_paths = NULL;
978 bkpinfo->exclude_devs = NULL;
979 bkpinfo->restore_path = NULL;
980 bkpinfo->call_before_iso = NULL;
981 bkpinfo->call_make_iso = NULL;
982 bkpinfo->call_burn_iso = NULL;
983 bkpinfo->call_after_iso = NULL;
984 bkpinfo->kernel_path = NULL;
985 bkpinfo->netfs_mount = NULL;
986 bkpinfo->netfs_proto = NULL;
987 bkpinfo->netfs_user = NULL;
988 bkpinfo->netfs_remote_dir = NULL;
989 bkpinfo->postnuke_tarball = NULL;
990 bkpinfo->subdir = NULL;
991 bkpinfo->wipe_media_first = FALSE;
992 bkpinfo->differential = 0;
993 bkpinfo->please_dont_eject = FALSE;
994 bkpinfo->cdrw_speed = 0;
995 bkpinfo->manual_cd_tray = FALSE;
996 bkpinfo->nonbootable_backup = FALSE;
997 bkpinfo->make_cd_use_lilo = FALSE;
998 bkpinfo->use_obdr = FALSE;
999 bkpinfo->restore_mode = interactive;
1000 bkpinfo->boot_type = BIOS;
1001}
1002
1003
1004/**
1005 * Get the remaining free space (in MB) on @p partition.
1006 * @param partition The partition to check free space on (either a device or a mountpoint).
1007 * @return The free space on @p partition, in MB.
1008 */
1009long free_space_on_given_partition(char *partition)
1010{
1011 char *out_sz = NULL;
1012 char *command = NULL;
1013 long res;
1014
1015 assert_string_is_neither_NULL_nor_zerolength(partition);
1016
1017 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
1018 if (system(command)) {
1019 mr_free(command);
1020 return (-1);
1021 } // partition does not exist
1022 mr_free(command);
1023
1024 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
1025 out_sz = call_program_and_get_last_line_of_output(command);
1026 mr_free(command);
1027
1028 if (strlen(out_sz) == 0) {
1029 mr_free(out_sz);
1030 return (-1);
1031 } // error within df, probably
1032 res = atol(out_sz);
1033 mr_free(out_sz);
1034 return (res);
1035}
1036
1037/**
1038 * Retrieve the line containing @p label from the config file.
1039 * @param config_file The file to read from, usually @c /tmp/mondorestore.cfg.
1040 * @param label What to read from the file.
1041 * @param value Where to put it.
1042 * @return 0 for success, 1 for failure.
1043 */
1044int read_cfg_var(char *config_file, char *label, char *value)
1045{
1046 /*@ buffer ****************************************************** */
1047 char *command = NULL;
1048 char *tmp = NULL;
1049
1050 /*@ end vars *************************************************** */
1051
1052 assert_string_is_neither_NULL_nor_zerolength(config_file);
1053 assert_string_is_neither_NULL_nor_zerolength(label);
1054 if (!does_file_exist(config_file)) {
1055 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
1056 value[0] = '\0';
1057 return (1);
1058 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1059 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1060 return (0);
1061 } else {
1062 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
1063 tmp = call_program_and_get_last_line_of_output(command);
1064 strcpy(value, tmp);
1065 mr_free(command);
1066
1067 log_msg(4, "Configuration item %s is %s", label, value);
1068 if (strlen(value) == 0) {
1069 return (1);
1070 } else {
1071 return (0);
1072 }
1073 }
1074}
1075
1076
1077
1078/**
1079 * Remount @c supermount if it was unmounted earlier.
1080 */
1081void remount_supermounts_if_necessary()
1082{
1083 if (g_remount_cdrom_at_end) {
1084 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1085 }
1086}
1087
1088/**
1089 * Unmount @c supermount if it's mounted.
1090 */
1091void unmount_supermounts_if_necessary()
1092{
1093 if (run_program_and_log_output
1094 ("mount | grep cdrom | grep super", FALSE) == 0) {
1095 g_remount_cdrom_at_end = TRUE;
1096 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1097 }
1098}
1099
1100/**
1101 * Whether we had to stop autofs (if so, restart it at end).
1102 */
1103bool g_autofs_stopped = FALSE;
1104
1105/**
1106 * Path to the autofs initscript ("" if none exists).
1107 */
1108char g_autofs_exe[MAX_STR_LEN];
1109
1110/**
1111 * Autofs initscript in Xandros Linux distribution.
1112 */
1113#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1114
1115/**
1116 * Autofs initscript in most Linux distributions.
1117 */
1118#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1119
1120/**
1121 * If autofs is mounted, stop it (restart at end).
1122 */
1123void stop_autofs_if_necessary()
1124{
1125 char *tmp = NULL;
1126
1127 g_autofs_exe[0] = '\0';
1128 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1129 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1130 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1131 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1132 }
1133
1134 if (!g_autofs_exe[0]) {
1135 log_msg(3, "No autofs detected.");
1136 } else {
1137 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1138 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1139 mr_asprintf(tmp, "%s stop", g_autofs_exe);
1140 if (run_program_and_log_output(tmp, 2)) {
1141 log_it("Failed to stop autofs - I assume it wasn't running");
1142 } else {
1143 g_autofs_stopped = TRUE;
1144 log_it("Stopped autofs OK");
1145 }
1146 mr_free(tmp);
1147 }
1148}
1149
1150/**
1151 * If autofs was stopped earlier, restart it.
1152 */
1153void restart_autofs_if_necessary()
1154{
1155 char *tmp = NULL;
1156
1157 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1158 log_msg(3, "No autofs detected.");
1159 return;
1160 }
1161 mr_asprintf(tmp, "%s start", g_autofs_exe);
1162 if (run_program_and_log_output(tmp, 2)) {
1163 log_it("Failed to start autofs");
1164 } else {
1165 g_autofs_stopped = FALSE;
1166 log_it("Started autofs OK");
1167 }
1168 mr_free(tmp);
1169}
1170
1171
1172/**
1173 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1174 */
1175void mount_boot_if_necessary() {
1176 char *tmp = NULL;
1177 char *command = NULL;
1178
1179 log_msg(1, "Started sub");
1180 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1181 g_boot_mountpt[0] = '\0';
1182 log_msg(4, "Done. Great. Setting command to something");
1183 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1184 log_msg(4, "Cool. Command = '%s'", command);
1185 tmp = call_program_and_get_last_line_of_output(command);
1186 mr_free(command);
1187
1188 log_msg(4, "tmp = '%s'", tmp);
1189 log_it("/boot is at %s according to /etc/fstab", tmp);
1190 mr_asprintf(command, "mount | grep -Ew '/boot'");
1191 mr_free(tmp);
1192
1193 tmp = call_program_and_get_last_line_of_output(command);
1194 mr_free(command);
1195
1196 if (!strcmp(tmp,"")) {
1197 if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=") != NULL)) {
1198 if (!run_program_and_log_output("mount /boot", 5)) {
1199 strcpy(g_boot_mountpt, "/boot");
1200 log_msg(1, "Mounted /boot");
1201 } else {
1202 log_it("...ignored cos it's a label or uuid :-)");
1203 }
1204 } else {
1205 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1206 log_msg(3, "command = %s", command);
1207 if (run_program_and_log_output(command, 5)) {
1208 strcpy(g_boot_mountpt, tmp);
1209 mr_free(tmp);
1210 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
1211
1212 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1213 if (run_program_and_log_output(tmp, 5)) {
1214 g_boot_mountpt[0] = '\0';
1215 log_msg(1, "Plan B");
1216 if (!run_program_and_log_output("mount /boot", 5)) {
1217 strcpy(g_boot_mountpt, "/boot");
1218 log_msg(1, "Plan B worked");
1219 } else {
1220 log_msg(1,
1221 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1222 }
1223 }
1224 }
1225 mr_free(command);
1226 }
1227 }
1228 mr_free(tmp);
1229 log_msg(1, "Ended sub");
1230}
1231
1232
1233/**
1234 * If we mounted /boot earlier, unmount it.
1235 */
1236void unmount_boot_if_necessary()
1237{
1238 char *tmp = NULL;
1239
1240 log_msg(3, "starting");
1241 if (g_boot_mountpt[0]) {
1242 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
1243 if (run_program_and_log_output(tmp, 5)) {
1244 log_it("WARNING - unable to unmount /boot");
1245 }
1246 mr_free(tmp);
1247 }
1248 log_msg(3, "leaving");
1249}
1250
1251
1252
1253/**
1254 * Write a line to a configuration file. Writes a line of the form,
1255 * @c label @c value.
1256 * @param config_file The file to write to. Usually @c mondorestore.cfg.
1257 * @param label What to call this bit of data you're writing.
1258 * @param value The bit of data you're writing.
1259 * @return 0 for success, 1 for failure.
1260 */
1261int write_cfg_var(char *config_file, char *label, char *value)
1262{
1263 /*@ buffers ***************************************************** */
1264 char *command = NULL;
1265 char *tempfile = NULL;
1266
1267
1268 /*@ end vars *************************************************** */
1269 assert_string_is_neither_NULL_nor_zerolength(config_file);
1270 assert_string_is_neither_NULL_nor_zerolength(label);
1271 assert(value != NULL);
1272 if (!does_file_exist(config_file)) {
1273 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
1274 return (1);
1275 }
1276 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1277 if (does_file_exist(config_file)) {
1278 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
1279 paranoid_system(command);
1280 mr_free(command);
1281 }
1282 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1283 paranoid_system(command);
1284 mr_free(command);
1285
1286 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
1287 paranoid_system(command);
1288 mr_free(command);
1289 unlink(tempfile);
1290 mr_free(tempfile);
1291 return (0);
1292}
1293
1294
1295/**
1296 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1297 * information to the logfile.
1298 */
1299void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1300
1301 va_list args;
1302 static int depth = 0;
1303 FILE *fout;
1304
1305 if (depth > 5) {
1306 depth--;
1307 return;
1308 }
1309 depth++;
1310
1311 if (debug_level <= g_loglevel) {
1312 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1313 return;
1314 }
1315
1316 // add tabs to distinguish log levels
1317 if (debug_level > 0) {
1318 fprintf(fout, "DBG%d: ", debug_level);
1319 if (getpid() == g_main_pid)
1320 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1321 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1322 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1323 else
1324 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1325 } else {
1326 fprintf(fout, "INFO: ");
1327 }
1328 va_start(args, fmt);
1329 vfprintf(fout, fmt, args);
1330 va_end(args);
1331
1332 fprintf(fout, "\n");
1333 paranoid_fclose(fout);
1334 }
1335 depth--;
1336}
1337
1338/**
1339 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1340 */
1341void (*log_debug_msg) (int, const char *, const char *, int, const char *, ...) = standard_log_debug_msg;
1342
1343
1344/**
1345 * Allocate or free important globals, depending on @p mal.
1346 * @param mal If TRUE, malloc; if FALSE, free.
1347 */
1348void do_libmondo_global_strings_thing(int mal)
1349{
1350 if (mal) {
1351 malloc_string(g_boot_mountpt);
1352 malloc_string(g_mondo_home);
1353 malloc_string(g_magicdev_command);
1354 } else {
1355 paranoid_free(g_boot_mountpt);
1356 paranoid_free(g_mondo_home);
1357 paranoid_free(g_magicdev_command);
1358 }
1359}
1360
1361/**
1362 * Allocate important globals.
1363 * @see do_libmondo_global_strings_thing
1364 */
1365void malloc_libmondo_global_strings(void)
1366{
1367 do_libmondo_global_strings_thing(1);
1368}
1369
1370/**
1371 * Free important globals.
1372 * @see do_libmondo_global_strings_thing
1373 */
1374void free_libmondo_global_strings(void)
1375{
1376 do_libmondo_global_strings_thing(0);
1377}
1378
1379
1380
1381/**
1382 * Stop @c magicdev if it's running.
1383 * The command used to start it is saved in @p g_magicdev_command.
1384 */
1385void stop_magicdev_if_necessary()
1386{
1387 char *tmp = NULL;
1388
1389 tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99");
1390 strcpy(g_magicdev_command, tmp);
1391 if (g_magicdev_command[0]) {
1392 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1393 paranoid_system("killall magicdev");
1394 }
1395 mr_free(tmp);
1396}
1397
1398
1399/**
1400 * Restart magicdev if it was stopped.
1401 */
1402void restart_magicdev_if_necessary()
1403{
1404 char *tmp = NULL;
1405
1406 if (g_magicdev_command && g_magicdev_command[0]) {
1407 mr_asprintf(tmp, "%s &", g_magicdev_command);
1408 paranoid_system(tmp);
1409 mr_free(tmp);
1410 }
1411}
1412
1413/* @} - end of utilityGroup */
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