source: MondoRescue/branches/3.3/mondo/src/common/libmondo-tools.c@ 3870

Last change on this file since 3870 was 3867, checked in by Bruno Cornec, 3 months ago

Fix find_home_of_exe calls + errors
  • Property svn:keywords set to Id
File size: 40.5 KB
Line 
1/*
2 $Id: libmondo-tools.c 3867 2024-03-07 13:56:52Z 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#include "lib-common-externs.h"
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 3867 2024-03-07 13:56:52Z 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
77extern bool am_I_in_disaster_recovery_mode(void);
78
79/*-----------------------------------------------------------*/
80
81
82/**
83 * @addtogroup utilityGroup
84 * @{
85 */
86/**
87 * Assertion handler. Prints a friendly message to the user,
88 * offering to ignore all, dump core, break to debugger,
89 * exit, or ignore. Intended to be used with an assert() macro.
90 *
91 * @param file The file in which the assertion triggered.
92 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
93 * @param line The line number of the assert() statement.
94 * @param exp The expression that failed (as a string).
95 */
96void _mondo_assert_fail(const char *file,
97 const char *function, int line, const char *exp)
98{
99 static int ignoring_assertions = 0;
100 bool is_valid = TRUE;
101
102 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line, function);
103 if (ignoring_assertions) {
104 log_it("Well, the user doesn't care...");
105 return;
106 }
107 if (!g_text_mode)
108 newtSuspend();
109 printf("ASSERTION FAILED: `%s'\n", exp);
110 printf("\tat %s:%d in %s\n\n", file, line, function);
111 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
112 do {
113 is_valid = TRUE;
114 switch (toupper(getchar())) {
115 case 'A': // ignore (A)ll
116 ignoring_assertions = 1;
117 break;
118 case 'B': // a(B)ort
119 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
120 raise(SIGABRT);
121 break; /* "can't get here" */
122 case 'D': // (D)ebug, aka asm("int 3")
123#ifdef __IA32__
124 __asm__ __volatile__("int $3"); // break to debugger
125#endif
126 break;
127 case 'E': // (E)xit
128 fatal_error("Failed assertion -- see above for details");
129 break; /* "can't get here" */
130 case 'I': // (I)gnore
131 break;
132 /* These next two work as follows:
133 the `default' catches the user's invalid choice and says so;
134 the '\n' catches the newline on the end and prints the prompt again.
135 */
136 case '\n':
137 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
138 break;
139 default:
140 is_valid = FALSE;
141 printf("Invalid choice.\n");
142 break;
143 }
144 } while (!is_valid);
145
146 if (ignoring_assertions) {
147 log_it("Ignoring ALL assertions from now on.");
148 } else {
149 log_it("Ignoring assertion: %s", exp);
150 }
151
152 getchar(); // skip \n
153
154 if (!g_text_mode)
155 newtResume();
156}
157
158/**
159 * Clean's up users' KDE desktops.
160 * @bug Details about this function are unknown.
161 */
162void clean_up_KDE_desktop_if_necessary(void)
163{
164 char *tmp = NULL;
165
166 mr_asprintf(tmp, "for i in `find /root /home -maxdepth 2 -type d -name Desktop -maxdepth 2`; do file=$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");
167 run_program_and_log_output(tmp, 5);
168 mr_free(tmp);
169}
170
171
172/**
173 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
174 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
175 *
176 * @param home_sz String to store the home directory ("" if it could not be found).
177 * @return 0 for success, nonzero for failure.
178 */
179int find_and_store_mondoarchives_home(char *home_sz)
180{
181 assert(home_sz != NULL);
182 strcpy(home_sz, MONDO_SHARE);
183 return (0);
184}
185
186
187char *get_architecture(void) {
188#ifdef __IA32__
189# ifdef __X86_64__
190 return ("x86_64");
191# else
192 return ("i386");
193# endif
194#endif
195#ifdef __IA64__
196 return ("ia64");
197#endif
198 return ("unknown");
199}
200
201
202char *get_uname_m(void) {
203
204 struct utsname utsn;
205 char *tmp = NULL;
206
207 uname(&utsn);
208 mr_asprintf(tmp, "%s", utsn.machine);
209 return (tmp);
210}
211
212
213
214double get_kernel_version(void)
215{
216 char *p = NULL;
217 char *tmp = NULL;
218 double d;
219#ifdef __FreeBSD__
220 // JOSH - FIXME :)
221 d = 5.2; // :-)
222#else
223 tmp = call_program_and_get_last_line_of_output("uname -r");
224 p = strchr(tmp, '.');
225 if (p) {
226 p = strchr(++p, '.');
227 if (p) {
228 while (*p) {
229 *p = *(p + 1);
230 p++;
231 }
232 }
233 }
234 d = atof(tmp);
235 mr_free(tmp);
236#endif
237 log_msg(1, "g_kernel_version = %f", d);
238 return (d);
239}
240
241
242/**
243 * Get the current time.
244 * @return number of seconds since the epoch.
245 */
246long get_time()
247{
248 return (long) time((void *) 0);
249}
250
251
252/**
253 * Initialize a RAID volume structure, setting fields to zero. The
254 * actual hard drive is unaffected.
255 *
256 * @param raidrec The RAID volume structure to initialize.
257 * @note This function is system dependent.
258 */
259#ifdef __FreeBSD__
260void initialize_raidrec(struct vinum_volume *raidrec)
261{
262 int i, j;
263 raidrec->volname[0] = '\0';
264 raidrec->plexes = 0;
265 for (i = 0; i < 9; ++i) {
266 raidrec->plex[i].raidlevel = -1;
267 raidrec->plex[i].stripesize = 0;
268 raidrec->plex[i].subdisks = 0;
269 for (j = 0; j < 9; ++j) {
270 strcpy(raidrec->plex[i].sd[j].which_device, "");
271 }
272 }
273}
274#else
275void initialize_raidrec(struct raid_device_record *raidrec)
276{
277 assert(raidrec != NULL);
278 raidrec->raid_device[0] = '\0';
279 raidrec->raid_level = -9;
280 raidrec->persistent_superblock = 1;
281 raidrec->chunk_size = 64;
282 raidrec->parity = -1;
283 raidrec->data_disks.entries = 0;
284 raidrec->spare_disks.entries = 0;
285 raidrec->parity_disks.entries = 0;
286 raidrec->failed_disks.entries = 0;
287 raidrec->additional_vars.entries = 0;
288}
289#endif
290
291
292
293
294/**
295 * Insert modules that Mondo requires.
296 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
297 * @c msdosfs and @c ext2fs for FreeBSD.
298 */
299void insmod_crucial_modules(void)
300{
301#ifdef __FreeBSD__
302 paranoid_system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
303 paranoid_system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
304#else
305 paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
306#endif
307}
308
309/* compute the final options for bootable media, considering the command and the boot type */
310char *mr_compute_uefi_string(char *isofs_cmd) {
311
312 char *uefistr = NULL;
313 char *mondo_mkisofs_sz = NULL;
314
315 /* real media */
316 if (strstr(isofs_cmd,"growisofs")) {
317 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
318 } else {
319 /* iso image */
320 if (bkpinfo->boot_type == UEFI) {
321 if (strstr(isofs_cmd,"xorriso")) {
322 /* xorriso needs another '-' before efi-boot */
323 mr_asprintf(uefistr, "%s -%s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
324 } else {
325 mr_asprintf(uefistr, "%s %s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
326 }
327 } else {
328 mr_asprintf(uefistr, "%s",MONDO_MKISOFS_CMS);
329 }
330 mr_asprintf(mondo_mkisofs_sz, "%s%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX, uefistr);
331 }
332
333 return(mondo_mkisofs_sz);
334}
335
336/**
337 * Finish configuring the backup information structure. Call this function
338 * to set the parameters that depend on those that can be given on the command
339 * line.
340 *
341 * @param bkpinfo The backup information structure. Fields modified/used:
342 * - Used: @c bkpinfo->backup_data
343 * - Used: @c bkpinfo->backup_media_type
344 * - Used: @c bkpinfo->cdrw_speed
345 * - Used: @c bkpinfo->compression_level
346 * - Used: @c bkpinfo->include_paths
347 * - Used: @c bkpinfo->prefix
348 * - Used: @c bkpinfo->isodir
349 * - Used: @c bkpinfo->manual_cd_tray
350 * - Used: @c bkpinfo->make_cd_use_lilo
351 * - Used: @c bkpinfo->media_device
352 * - Used: @c bkpinfo->netfs_mount
353 * - Used: @c bkpinfo->nonbootable_backup
354 * - Used: @c bkpinfo->scratchdir
355 * - Used: @c bkpinfo->tmpdir
356 * - Used: @c bkpinfo->use_lzo
357 * - Modified: @c bkpinfo->call_before_iso
358 * - Modified: @c bkpinfo->call_make_iso
359 * - Modified: @c bkpinfo->optimal_set_size
360 * - Modified: @c bkpinfo->zip_exe
361 * - Modified: @c bkpinfo->zip_suffix
362 *
363 * @return number of errors, or 0 for success.
364 * @note Also creates directories that are specified in the @c bkpinfo structure but
365 * do not exist.
366 */
367int post_param_configuration()
368{
369 char *extra_cdrom_params = NULL;
370 char *mondo_mkisofs_sz = NULL;
371 char *command = NULL;
372 char *isofs_cmd = NULL;
373 int retval = 0;
374 char *cdr_exe = NULL;
375 char *tmp = NULL;
376 char *call_before_iso_user = NULL;
377 char *iso_dev = NULL;
378 char *iso_mnt = NULL;
379 char *iso_tmp = NULL;
380 char *iso_dir = NULL;
381
382 assert(bkpinfo != NULL);
383
384 bkpinfo->optimal_set_size = (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * 1024L;
385
386 log_msg(1, "Post-param");
387 if (bkpinfo->backup_media_type == tape) {
388 if (whine_if_not_found("mt") == 1) {
389 fatal_error("Please install the mt command");
390 }
391 log_msg(1, "Tape");
392 if (bkpinfo->media_device == NULL) {
393 return(1);
394 }
395 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
396 log_msg(1, "tmp = '%s'", tmp);
397 if (run_program_and_log_output(tmp, 3)) {
398 mr_free(tmp);
399 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.");
400 }
401 mr_free(tmp);
402 }
403 if (bkpinfo->backup_media_type == iso)
404 make_hole_for_dir(bkpinfo->isodir);
405
406 run_program_and_log_output("uname -a", 5);
407 run_program_and_log_output("cat /etc/*-release", 5);
408 run_program_and_log_output("cat /etc/*issue*", 5);
409#ifdef __FreeBSD__
410#else
411 run_program_and_log_output("cat /proc/cpuinfo", 5);
412 /*
413 run_program_and_log_output("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", 5);
414 */
415#endif
416
417 if (bkpinfo->use_lzo) {
418 mr_asprintf(bkpinfo->zip_exe, "%s", "lzop");
419 mr_asprintf(bkpinfo->zip_suffix, "%s", "lzo");
420 } else if (bkpinfo->use_gzip) {
421 mr_asprintf(bkpinfo->zip_exe, "%s", "gzip");
422 mr_asprintf(bkpinfo->zip_suffix, "%s", "gz");
423 } else if (bkpinfo->use_lzma) {
424 mr_asprintf(bkpinfo->zip_exe, "%s", "xz");
425 mr_asprintf(bkpinfo->zip_suffix, "%s", "xz");
426 } else if (bkpinfo->compression_level != 0) {
427 mr_asprintf(bkpinfo->zip_exe, "%s", "bzip2");
428 mr_asprintf(bkpinfo->zip_suffix, "%s", "bz2");
429 } else {
430 mr_free(bkpinfo->zip_exe);
431 mr_free(bkpinfo->zip_suffix);
432 }
433
434// DVD
435
436 if (bkpinfo->backup_media_type == dvd) {
437 if ((cdr_exe = find_home_of_exe("growisofs")) == NULL) {
438 fatal_error("Please install growisofs.");
439 }
440 if (bkpinfo->nonbootable_backup) {
441 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
442 } else if
443#ifdef __FreeBSD__
444 (TRUE)
445#else
446 (bkpinfo->make_cd_use_lilo)
447#endif
448#ifdef __IA64__
449 {
450 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
451 }
452#else
453 {
454 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
455 }
456#endif
457 else {
458 mondo_mkisofs_sz = mr_compute_uefi_string(cdr_exe);
459 }
460 mr_free(cdr_exe);
461
462 if (bkpinfo->manual_cd_tray) {
463 fatal_error("Manual CD tray + DVD not supported yet.");
464 // -m isn't supported by growisofs, BTW...
465 } else {
466 mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
467 }
468 mr_free(mondo_mkisofs_sz);
469 if (getenv ("SUDO_COMMAND")) {
470 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
471 tmp = call_program_and_get_last_line_of_output(command);
472 mr_free(command);
473 if (!strcmp(tmp, "1")) {
474 mr_free(tmp);
475 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
476 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
477 }
478 mr_free(tmp);
479 }
480 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
481 } // end of DVD code
482
483// CD-R or CD-RW
484 if (bkpinfo->backup_media_type == cdrw
485 || bkpinfo->backup_media_type == cdr) {
486 if (!bkpinfo->manual_cd_tray) {
487 mr_asprintf(extra_cdrom_params, "-waiti ");
488 }
489 if (bkpinfo->backup_media_type == cdrw) {
490 mr_asprintf(extra_cdrom_params, "blank=fast ");
491 }
492 if (extra_cdrom_params == NULL) {
493 // If not initialized earlier, do it now
494 mr_asprintf(extra_cdrom_params, " ");
495 }
496 if ((cdr_exe = find_home_of_exe("cdrecord")) == NULL) {
497 if ((cdr_exe = find_home_of_exe("wodim")) == NULL) {
498 if ((cdr_exe = find_home_of_exe("dvdrecord")) == NULL) {
499 fatal_error("Please install either cdrecord, wodim or dvdrecord.");
500 }
501 }
502 }
503 if ((tmp = find_home_of_exe("xorriso")) != NULL) {
504 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_XORRISO_OPT);
505 } else if ((tmp = find_home_of_exe("genisoimage")) != NULL) {
506 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_GENISOIMAGE_OPT);
507 } else if ((tmp = find_home_of_exe("mkisofs")) != NULL) {
508 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_MKISOFS_OPT);
509 } else if ((tmp = find_home_of_exe("wodim")) != NULL) {
510 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_WODIM_OPT);
511 } else {
512 fatal_error("Unable to find a command to create ISO among xorriso, genisoimage, mksiofs or wodim, please install one");
513 }
514 mr_free(tmp);
515
516 if (bkpinfo->nonbootable_backup) {
517 mr_asprintf(mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
518 } else if
519#ifdef __FreeBSD__
520 (TRUE)
521#else
522 (bkpinfo->make_cd_use_lilo)
523#endif
524#ifdef __IA64__
525 {
526 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
527 }
528#else
529 {
530 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
531 }
532#endif
533 else {
534 mondo_mkisofs_sz = mr_compute_uefi_string(isofs_cmd);
535 }
536 mr_free(isofs_cmd);
537
538 if (bkpinfo->manual_cd_tray) {
539 if (bkpinfo->call_before_iso == NULL) {
540 mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
541 } else {
542 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
543 mr_free(bkpinfo->call_before_iso);
544 mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
545 mr_free(call_before_iso_user);
546 }
547 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
548 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);
549 } else {
550 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);
551 }
552 mr_free(cdr_exe);
553 mr_free(mondo_mkisofs_sz);
554 mr_free(extra_cdrom_params);
555 } // end of CD code
556
557 if (bkpinfo->backup_media_type == iso) {
558
559/* Break up isodir into iso_mnt and iso_dir
560 * These will be used along with iso-dev at restore time
561 * to locate the ISOs where ever they're mounted
562 */
563
564 log_it("isodir = %s", bkpinfo->isodir);
565 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
566 log_it("command = %s", command);
567 iso_dev = call_program_and_get_last_line_of_output(command);
568 log_it("res of it = %s", iso_dev);
569 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
570 write_one_liner_data_file(tmp, iso_dev);
571 mr_free(tmp);
572 mr_free(command);
573
574 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
575 mr_free(iso_dev);
576
577 log_it("command = %s", command);
578 iso_mnt = call_program_and_get_last_line_of_output(command);
579 log_it("res of it = %s", iso_mnt);
580 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
581 write_one_liner_data_file(tmp, iso_mnt);
582 mr_free(tmp);
583 mr_free(command);
584
585 log_it("iso_mnt: %s, %d", iso_mnt, strlen(iso_mnt));
586 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
587 if (strlen(iso_tmp) < strlen(iso_mnt)) {
588 mr_asprintf(iso_dir, "%s", "");
589 } else {
590 // If iso_mnt is only / then iso_dir is the full dir
591 // (the formula bellow doesn't work in this case)
592 if (strcmp(iso_mnt, "/") == 0) {
593 mr_asprintf(iso_dir, "%s", iso_tmp);
594 // else it's a part of iso_tmp
595 } else {
596 mr_asprintf(iso_dir, "%s", iso_tmp + strlen(iso_mnt));
597 }
598 }
599 mr_free(iso_mnt);
600 mr_free(iso_tmp);
601
602 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
603 write_one_liner_data_file(tmp, iso_dir);
604 mr_free(tmp);
605
606 log_it("iso-dir: %s", iso_dir);
607 mr_free(iso_dir);
608
609 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
610 write_one_liner_data_file(tmp, bkpinfo->prefix);
611 mr_free(tmp);
612
613 log_it("iso-prefix: %s", bkpinfo->prefix);
614
615/* End patch */
616 } // end of iso code
617
618 if (bkpinfo->backup_media_type == netfs) {
619 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
620 write_one_liner_data_file(tmp, bkpinfo->prefix);
621 mr_free(tmp);
622
623 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
624 write_one_liner_data_file(tmp, bkpinfo->isodir);
625 mr_free(tmp);
626
627 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
628 write_one_liner_data_file(tmp, bkpinfo->netfs_remote_dir);
629 mr_free(tmp);
630
631 if (bkpinfo->netfs_mount) {
632 mr_asprintf(tmp, "%s/NETFS-SERVER-MOUNT", bkpinfo->tmpdir);
633 write_one_liner_data_file(tmp, bkpinfo->netfs_mount);
634 mr_free(tmp);
635 } else {
636 log_it("netfs_mount is NULL");
637 retval++;
638 }
639 }
640
641 log_it("Finished processing incoming params");
642 if (retval) {
643 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
644 }
645 if (bkpinfo->include_paths == NULL) {
646 mr_asprintf(bkpinfo->include_paths, "/");
647 }
648 g_backup_media_type = bkpinfo->backup_media_type;
649 return (retval);
650}
651
652
653
654/**
655 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
656 * Seeds the random-number generator, loads important modules, checks the sanity
657 * of the user's Linux distribution, and deletes logfile.
658 * @param bkpinfo The backup information structure. Will be initialized.
659 * @return number of errors (0 for success)
660 */
661int pre_param_configuration()
662{
663 int res = 0;
664 char *tmp = NULL;
665
666 make_hole_for_dir(MNT_CDROM);
667 assert(bkpinfo != NULL);
668 srandom((unsigned long) (time(NULL)));
669 insmod_crucial_modules();
670 if (bkpinfo->disaster_recovery) {
671 if (!does_nonMS_partition_exist()) {
672 fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
673 }
674 }
675
676 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
677 run_program_and_log_output(tmp, FALSE);
678 paranoid_free(tmp);
679 if (find_and_store_mondoarchives_home(g_mondo_home)) {
680 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");
681 res++;
682 return (res);
683 }
684 res += some_basic_system_sanity_checks();
685 if (res) {
686 log_it("Your distribution did not pass Mondo's sanity test.");
687 }
688 g_current_media_number = 1;
689 return (res);
690}
691
692/* From busybox under GPLv2 */
693#ifndef HAVE_MKDTEMP
694/* This is now actually part of POSIX.1, but was only added in 2008 */
695char* mkdtemp(char *template)
696{
697 if (mkstemp(template) == -1) {
698 return NULL;
699 }
700 unlink(template);
701 if (mkdir(template, 0700) != 0) {
702 return NULL;
703 }
704 return template;
705}
706#endif
707
708void setup_tmpdir(char *path) {
709
710 char *tmp = NULL;
711
712 if (bkpinfo->tmpdir != NULL) {
713 /* purging a potential old tmpdir */
714 if (chdir("/tmp")) {
715 // FIXME
716 }
717 if (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL) {
718 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
719 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
720 } else {
721 log_it("Purging old tmpdir %s/mondo.tmp.*", bkpinfo->tmpdir);
722 mr_asprintf(tmp,"rm -Rf %s/mondo.tmp.*",bkpinfo->tmpdir);
723 }
724 paranoid_system(tmp);
725 mr_free(tmp);
726 }
727
728 /* Always take in account arg first, then env, then default */
729 if (path != NULL) {
730 mr_system("mkdir -p %s",path);
731 log_it("Created temporary directory %s", path);
732 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
733 } else if (getenv("TMPDIR")) {
734 mr_system("mkdir -p %s",getenv("TMPDIR"));
735 log_it("Created temporary directory %s", getenv("TMPDIR"));
736 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
737 } else if (getenv("MRTMP")) {
738 mr_system("mkdir -p %s",getenv("MRTMP"));
739 log_it("Created temporary directory %s", getenv("MRTMP"));
740 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("MRTMP"));
741 } else {
742 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
743 }
744 mr_free(bkpinfo->tmpdir);
745 bkpinfo->tmpdir = mkdtemp(tmp);
746 if (bkpinfo->tmpdir == NULL) {
747 printf("Failed to create global tmp directory %s for Mondo.",tmp);
748 mr_free(tmp);
749 finish(-1);
750 }
751 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
752 mr_system("mkdir -p %s/tmpfs", bkpinfo->tmpdir);
753}
754
755void setup_scratchdir(char *path) {
756
757 char *tmp = NULL;
758
759 if (bkpinfo->scratchdir != NULL) {
760 /* purging a potential old scratchdir */
761 if (chdir("/tmp")) {
762 // FIXME
763 }
764 if (strstr(bkpinfo->scratchdir,"mondo.scratch.") != NULL) {
765 log_it("Purging old scratchdir %s", bkpinfo->scratchdir);
766 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->scratchdir);
767 } else {
768 log_it("Purging old scratchdir %s/mondo.scratch.*", bkpinfo->scratchdir);
769 mr_asprintf(tmp,"rm -Rf %s/mondo.scratch.*",bkpinfo->scratchdir);
770 }
771 paranoid_system(tmp);
772 mr_free(tmp);
773 }
774
775 /* Always take in account arg first, then env, then default */
776 if (path != NULL) {
777 mr_system("mkdir -p %s",path);
778 log_it("Created scratch directory %s", path);
779 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", path);
780 } else if (getenv("MRSCRATCH")) {
781 mr_system("mkdir -p %s",getenv("MRSCRATCH"));
782 log_it("Created scratch directory %s", getenv("MRSCRATCH"));
783 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", getenv("MRSCRATCH"));
784 } else {
785 mr_asprintf(tmp, "/tmp/mondo.scratch.XXXXXX");
786 }
787 mr_free(bkpinfo->scratchdir);
788 bkpinfo->scratchdir = mkdtemp(tmp);
789 if (bkpinfo->scratchdir == NULL) {
790 log_it("Failed to create global scratch directory %s for Mondo.",tmp);
791 mr_free(tmp);
792 finish(-1);
793 }
794 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
795 mr_system("mkdir -p %s", bkpinfo->scratchdir);
796}
797
798
799/**
800 * Reset all fields of the backup information structure to a sensible default.
801 * @param bkpinfo The @c bkpinfo to reset.
802 */
803void reset_bkpinfo()
804{
805 assert(bkpinfo != NULL);
806 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
807
808 bkpinfo->media_device = NULL;
809 bkpinfo->media_size = -1;
810 bkpinfo->boot_loader = '\0';
811 bkpinfo->boot_device = NULL;
812 bkpinfo->zip_exe = NULL;
813 bkpinfo->zip_suffix = NULL;
814 bkpinfo->image_devs = NULL;
815 bkpinfo->compression_level = 3;
816 bkpinfo->use_lzo = FALSE;
817 bkpinfo->use_gzip = FALSE;
818 bkpinfo->use_lzma = FALSE;
819 bkpinfo->verify_data = FALSE;
820 bkpinfo->backup_data = FALSE;
821 bkpinfo->restore_data = FALSE;
822 bkpinfo->use_star = FALSE;
823 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
824
825 /* We need tmpdir as early as possible for further function calls */
826 bkpinfo->tmpdir = NULL; // Really setup just after
827 bkpinfo->scratchdir = NULL; // Really setup just after
828 setup_tmpdir(NULL);
829 setup_scratchdir(NULL);
830
831 bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
832 if (bkpinfo->disaster_recovery) {
833 mr_asprintf(bkpinfo->isodir, "%s", "/");
834 } else {
835 mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
836 }
837 mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
838 bkpinfo->optimal_set_size = 0L;
839 bkpinfo->backup_media_type = none;
840 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
841 bkpinfo->exclude_paths = NULL;
842 bkpinfo->include_paths = NULL;
843 bkpinfo->exclude_devs = NULL;
844 bkpinfo->restore_path = NULL;
845 bkpinfo->call_before_iso = NULL;
846 bkpinfo->call_make_iso = NULL;
847 bkpinfo->call_burn_iso = NULL;
848 bkpinfo->call_after_iso = NULL;
849 bkpinfo->kernel_path = NULL;
850 bkpinfo->netfs_mount = NULL;
851 bkpinfo->netfs_proto = NULL;
852 bkpinfo->netfs_user = NULL;
853 bkpinfo->netfs_remote_dir = NULL;
854 bkpinfo->postnuke_tarball = NULL;
855 bkpinfo->subdir = NULL;
856 bkpinfo->wipe_media_first = FALSE;
857 bkpinfo->differential = 0;
858 bkpinfo->please_dont_eject = FALSE;
859 bkpinfo->cdrw_speed = 0;
860 bkpinfo->manual_cd_tray = FALSE;
861 bkpinfo->nonbootable_backup = FALSE;
862 bkpinfo->make_cd_use_lilo = FALSE;
863 bkpinfo->use_obdr = FALSE;
864 bkpinfo->restore_mode = interactive;
865 bkpinfo->boot_type = BIOS;
866}
867
868
869/**
870 * Get the remaining free space (in MB) on @p partition.
871 * @param partition The partition to check free space on (either a device or a mountpoint).
872 * @return The free space on @p partition, in MB.
873 */
874long free_space_on_given_partition(char *partition)
875{
876 char *out_sz = NULL;
877 char *command = NULL;
878 long res;
879
880 assert_string_is_neither_NULL_nor_zerolength(partition);
881
882 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
883 if (system(command)) {
884 mr_free(command);
885 return (-1);
886 } // partition does not exist
887 mr_free(command);
888
889 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
890 out_sz = call_program_and_get_last_line_of_output(command);
891 mr_free(command);
892
893 if (strlen(out_sz) == 0) {
894 mr_free(out_sz);
895 return (-1);
896 } // error within df, probably
897 res = atol(out_sz);
898 mr_free(out_sz);
899 return (res);
900}
901
902
903
904/**
905 * Check the user's system for sanity. Checks performed:
906 * - make sure user has enough RAM (32mb required, 64mb recommended)
907 * - make sure user has enough free space in @c /
908 * - check kernel for ramdisk support
909 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
910 * - make sure CD-ROM is unmounted
911 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
912 *
913 * @return number of problems with the user's setup (0 for success)
914 */
915int some_basic_system_sanity_checks()
916{
917
918 /*@ buffers ************ */
919 char *tmp = NULL;
920
921 /*@ int's *************** */
922 int retval = 0;
923
924 mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
925#ifndef __FreeBSD__
926 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
927 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
928 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
929 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
930 }
931 tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2");
932 if (atol(tmp) < 35000) {
933 retval++;
934 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
935 }
936 if (atol(tmp) < 66000) {
937 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
938 }
939 mr_free(tmp);
940#endif
941
942 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
943 retval++;
944 log_to_screen("Unable to find " MKE2FS_OR_NEWFS " in system path.");
945 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. :)");
946 }
947#ifndef __FreeBSD__
948 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
949 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
950 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
951 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
952 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?")) {
953 // retval++;
954 log_to_screen("It looks as if your kernel lacks ramdisk and initrd support.");
955 log_to_screen("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
956 }
957 }
958 }
959#endif
960 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
961 if (system("which xorriso > /dev/null 2> /dev/null")) {
962 if (system("which genisoimage > /dev/null 2> /dev/null")) {
963 retval += whine_if_not_found("mkisofs");
964 }
965 }
966 if (system("which wodim > /dev/null 2> /dev/null")) {
967 retval += whine_if_not_found("cdrecord");
968 }
969 retval += whine_if_not_found("bzip2");
970 retval += whine_if_not_found("gzip");
971 retval += whine_if_not_found("cmp");
972 retval += whine_if_not_found("awk");
973 retval += whine_if_not_found("md5sum");
974 retval += whine_if_not_found("strings");
975 retval += whine_if_not_found("mindi");
976 retval += whine_if_not_found("buffer");
977
978 // abort if Windows partition but no ms-sys and parted
979 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
980 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -Ew efi", 0)) {
981 log_to_screen("I think you have a EFI/UEFI partition.");
982 } else {
983 log_to_screen("I think you have a Windows 9x partition.");
984 }
985 retval += whine_if_not_found("parted");
986 }
987
988 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
989 tmp = call_program_and_get_last_line_of_output("mount | grep -E 'cdr(om|w)'");
990 if (strcmp("", tmp)) {
991 if (strstr(tmp, "autofs")) {
992 log_to_screen("Your CD-ROM is mounted via autofs. I therefore cannot tell");
993 log_to_screen("if a CD actually is inserted. If a CD is inserted, please");
994 log_to_screen("eject it. Thank you.");
995 log_it("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
996 } else
997 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
998 retval++;
999 mr_free(tmp);
1000 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
1001 }
1002 }
1003 mr_free(tmp);
1004
1005 run_program_and_log_output("cat /etc/fstab", 5);
1006#ifdef __FreeBSD__
1007 run_program_and_log_output("vinum printconfig", 5);
1008#else
1009 run_program_and_log_output("cat /etc/raidtab", 5);
1010#endif
1011
1012 if (run_program_and_log_output("mindi -V", 1)) {
1013 log_to_screen("Could not ascertain mindi's version number.");
1014 log_to_screen("You have not installed Mondo and/or Mindi properly.");
1015 log_to_screen("Please uninstall and reinstall them both.");
1016 fatal_error("Please reinstall Mondo and Mindi.");
1017 }
1018 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1019 if (run_program_and_log_output(tmp, 5)) {
1020 log_to_screen("%s failed for some reason.", tmp);
1021 mr_free(tmp);
1022 log_to_screen("Please run that command by hand and examine "MINDI_LOGFILE);
1023 log_to_screen("for more information. Perhaps your /etc/fstab file is insane.");
1024 log_to_screen("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1025 retval++;
1026 }
1027 mr_free(tmp);
1028
1029 if (!run_program_and_log_output("mr-parted2fdisk -l 2>/dev/null | grep -i raid", 1) && !does_file_exist("/etc/raidtab")) {
1030 log_to_screen("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1031 create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
1032 }
1033
1034 if (retval) {
1035 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1036 } else {
1037 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1038 }
1039 return (retval);
1040}
1041
1042/**
1043 * Retrieve the line containing @p label from the config file.
1044 * @param config_file The file to read from, usually @c /tmp/mondorestore.cfg.
1045 * @param label What to read from the file.
1046 * @param value Where to put it.
1047 * @return 0 for success, 1 for failure.
1048 */
1049int read_cfg_var(char *config_file, char *label, char *value)
1050{
1051 /*@ buffer ****************************************************** */
1052 char *command = NULL;
1053 char *tmp = NULL;
1054
1055 /*@ end vars *************************************************** */
1056
1057 assert_string_is_neither_NULL_nor_zerolength(config_file);
1058 assert_string_is_neither_NULL_nor_zerolength(label);
1059 if (!does_file_exist(config_file)) {
1060 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
1061 value[0] = '\0';
1062 return (1);
1063 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1064 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1065 return (0);
1066 } else {
1067 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
1068 tmp = call_program_and_get_last_line_of_output(command);
1069 strcpy(value, tmp);
1070 mr_free(command);
1071
1072 log_msg(4, "Configuration item %s is %s", label, value);
1073 if (strlen(value) == 0) {
1074 return (1);
1075 } else {
1076 return (0);
1077 }
1078 }
1079}
1080
1081
1082
1083/**
1084 * Remount @c supermount if it was unmounted earlier.
1085 */
1086void remount_supermounts_if_necessary()
1087{
1088 if (g_remount_cdrom_at_end) {
1089 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1090 }
1091}
1092
1093/**
1094 * Unmount @c supermount if it's mounted.
1095 */
1096void unmount_supermounts_if_necessary()
1097{
1098 if (run_program_and_log_output
1099 ("mount | grep cdrom | grep super", FALSE) == 0) {
1100 g_remount_cdrom_at_end = TRUE;
1101 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1102 }
1103}
1104
1105/**
1106 * Whether we had to stop autofs (if so, restart it at end).
1107 */
1108bool g_autofs_stopped = FALSE;
1109
1110/**
1111 * Path to the autofs initscript ("" if none exists).
1112 */
1113char g_autofs_exe[MAX_STR_LEN];
1114
1115/**
1116 * Autofs initscript in Xandros Linux distribution.
1117 */
1118#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1119
1120/**
1121 * Autofs initscript in most Linux distributions.
1122 */
1123#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1124
1125/**
1126 * If autofs is mounted, stop it (restart at end).
1127 */
1128void stop_autofs_if_necessary()
1129{
1130 char *tmp = NULL;
1131
1132 g_autofs_exe[0] = '\0';
1133 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1134 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1135 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1136 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1137 }
1138
1139 if (!g_autofs_exe[0]) {
1140 log_msg(3, "No autofs detected.");
1141 } else {
1142 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1143 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1144 mr_asprintf(tmp, "%s stop", g_autofs_exe);
1145 if (run_program_and_log_output(tmp, 2)) {
1146 log_it("Failed to stop autofs - I assume it wasn't running");
1147 } else {
1148 g_autofs_stopped = TRUE;
1149 log_it("Stopped autofs OK");
1150 }
1151 mr_free(tmp);
1152 }
1153}
1154
1155/**
1156 * If autofs was stopped earlier, restart it.
1157 */
1158void restart_autofs_if_necessary()
1159{
1160 char *tmp = NULL;
1161
1162 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1163 log_msg(3, "No autofs detected.");
1164 return;
1165 }
1166 mr_asprintf(tmp, "%s start", g_autofs_exe);
1167 if (run_program_and_log_output(tmp, 2)) {
1168 log_it("Failed to start autofs");
1169 } else {
1170 g_autofs_stopped = FALSE;
1171 log_it("Started autofs OK");
1172 }
1173 mr_free(tmp);
1174}
1175
1176
1177/**
1178 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1179 */
1180void mount_boot_if_necessary() {
1181 char *tmp = NULL;
1182 char *command = NULL;
1183
1184 log_msg(1, "Started sub");
1185 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1186 g_boot_mountpt[0] = '\0';
1187 log_msg(4, "Done. Great. Setting command to something");
1188 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1189 log_msg(4, "Cool. Command = '%s'", command);
1190 tmp = call_program_and_get_last_line_of_output(command);
1191 mr_free(command);
1192
1193 log_msg(4, "tmp = '%s'", tmp);
1194 log_it("/boot is at %s according to /etc/fstab", tmp);
1195 mr_asprintf(command, "mount | grep -Ew '/boot'");
1196 mr_free(tmp);
1197
1198 tmp = call_program_and_get_last_line_of_output(command);
1199 mr_free(command);
1200
1201 if (!strcmp(tmp,"")) {
1202 if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=") != NULL)) {
1203 if (!run_program_and_log_output("mount /boot", 5)) {
1204 strcpy(g_boot_mountpt, "/boot");
1205 log_msg(1, "Mounted /boot");
1206 } else {
1207 log_it("...ignored cos it's a label or uuid :-)");
1208 }
1209 } else {
1210 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1211 log_msg(3, "command = %s", command);
1212 if (run_program_and_log_output(command, 5)) {
1213 strcpy(g_boot_mountpt, tmp);
1214 mr_free(tmp);
1215 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
1216
1217 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1218 if (run_program_and_log_output(tmp, 5)) {
1219 g_boot_mountpt[0] = '\0';
1220 log_msg(1, "Plan B");
1221 if (!run_program_and_log_output("mount /boot", 5)) {
1222 strcpy(g_boot_mountpt, "/boot");
1223 log_msg(1, "Plan B worked");
1224 } else {
1225 log_msg(1,
1226 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1227 }
1228 }
1229 }
1230 mr_free(command);
1231 }
1232 }
1233 mr_free(tmp);
1234 log_msg(1, "Ended sub");
1235}
1236
1237
1238/**
1239 * If we mounted /boot earlier, unmount it.
1240 */
1241void unmount_boot_if_necessary()
1242{
1243 char *tmp = NULL;
1244
1245 log_msg(3, "starting");
1246 if (g_boot_mountpt[0]) {
1247 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
1248 if (run_program_and_log_output(tmp, 5)) {
1249 log_it("WARNING - unable to unmount /boot");
1250 }
1251 mr_free(tmp);
1252 }
1253 log_msg(3, "leaving");
1254}
1255
1256
1257
1258/**
1259 * Write a line to a configuration file. Writes a line of the form,
1260 * @c label @c value.
1261 * @param config_file The file to write to. Usually @c mondorestore.cfg.
1262 * @param label What to call this bit of data you're writing.
1263 * @param value The bit of data you're writing.
1264 * @return 0 for success, 1 for failure.
1265 */
1266int write_cfg_var(char *config_file, char *label, char *value)
1267{
1268 /*@ buffers ***************************************************** */
1269 char *command = NULL;
1270 char *tempfile = NULL;
1271
1272
1273 /*@ end vars *************************************************** */
1274 assert_string_is_neither_NULL_nor_zerolength(config_file);
1275 assert_string_is_neither_NULL_nor_zerolength(label);
1276 assert(value != NULL);
1277 if (!does_file_exist(config_file)) {
1278 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
1279 return (1);
1280 }
1281 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1282 if (does_file_exist(config_file)) {
1283 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
1284 paranoid_system(command);
1285 mr_free(command);
1286 }
1287 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1288 paranoid_system(command);
1289 mr_free(command);
1290
1291 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
1292 paranoid_system(command);
1293 mr_free(command);
1294 unlink(tempfile);
1295 mr_free(tempfile);
1296 return (0);
1297}
1298
1299
1300/**
1301 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1302 * information to the logfile.
1303 */
1304void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1305
1306 va_list args;
1307 static int depth = 0;
1308 FILE *fout;
1309
1310 if (depth > 5) {
1311 depth--;
1312 return;
1313 }
1314 depth++;
1315
1316 if (debug_level <= g_loglevel) {
1317 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1318 return;
1319 }
1320
1321 // add tabs to distinguish log levels
1322 if (debug_level > 0) {
1323 fprintf(fout, "DBG%d: ", debug_level);
1324 if (getpid() == g_main_pid)
1325 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1326 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1327 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1328 else
1329 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1330 } else {
1331 fprintf(fout, "INFO: ");
1332 }
1333 va_start(args, fmt);
1334 vfprintf(fout, fmt, args);
1335 va_end(args);
1336
1337 fprintf(fout, "\n");
1338 paranoid_fclose(fout);
1339 }
1340 depth--;
1341}
1342
1343/**
1344 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1345 */
1346void (*log_debug_msg) (int, const char *, const char *, int, const char *, ...) = standard_log_debug_msg;
1347
1348
1349/**
1350 * Allocate or free important globals, depending on @p mal.
1351 * @param mal If TRUE, malloc; if FALSE, free.
1352 */
1353void do_libmondo_global_strings_thing(int mal)
1354{
1355 if (mal) {
1356 malloc_string(g_boot_mountpt);
1357 malloc_string(g_mondo_home);
1358 malloc_string(g_magicdev_command);
1359 } else {
1360 paranoid_free(g_boot_mountpt);
1361 paranoid_free(g_mondo_home);
1362 paranoid_free(g_magicdev_command);
1363 }
1364}
1365
1366/**
1367 * Allocate important globals.
1368 * @see do_libmondo_global_strings_thing
1369 */
1370void malloc_libmondo_global_strings(void)
1371{
1372 do_libmondo_global_strings_thing(1);
1373}
1374
1375/**
1376 * Free important globals.
1377 * @see do_libmondo_global_strings_thing
1378 */
1379void free_libmondo_global_strings(void)
1380{
1381 do_libmondo_global_strings_thing(0);
1382}
1383
1384
1385
1386/**
1387 * Stop @c magicdev if it's running.
1388 * The command used to start it is saved in @p g_magicdev_command.
1389 */
1390void stop_magicdev_if_necessary()
1391{
1392 char *tmp = NULL;
1393
1394 tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99");
1395 strcpy(g_magicdev_command, tmp);
1396 if (g_magicdev_command[0]) {
1397 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1398 paranoid_system("killall magicdev");
1399 }
1400 mr_free(tmp);
1401}
1402
1403
1404/**
1405 * Restart magicdev if it was stopped.
1406 */
1407void restart_magicdev_if_necessary()
1408{
1409 char *tmp = NULL;
1410
1411 if (g_magicdev_command && g_magicdev_command[0]) {
1412 mr_asprintf(tmp, "%s &", g_magicdev_command);
1413 paranoid_system(tmp);
1414 mr_free(tmp);
1415 }
1416}
1417
1418/* @} - end of utilityGroup */
Note: See TracBrowser for help on using the repository browser.