source: MondoRescue/branches/3.2/mondo/src/common/libmondo-tools.c@ 3610

Last change on this file since 3610 was 3610, checked in by Bruno Cornec, 7 years ago
  • Change interfaces for the call_program_and_get_last_line_of_output and where_is_root_mounted(now return dynamically allocated string)
  • removes useless function store_netfs_config
  • Property svn:keywords set to Id
File size: 40.3 KB
Line 
1/*
2 $Id: libmondo-tools.c 3610 2016-11-05 17:12:23Z 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-tools.h"
17#include "libmondo-gui-EXT.h"
18#include "libmondo-files-EXT.h"
19#include "libmondo-fork-EXT.h"
20#include "libmondo-raid-EXT.h"
21#include "libmondo-devices-EXT.h"
22#include <sys/socket.h>
23#include <netdb.h>
24#include <stdlib.h>
25#include <netinet/in.h>
26#include <arpa/inet.h>
27#include <sys/utsname.h>
28
29/*@unused@*/
30//static char cvsid[] = "$Id: libmondo-tools.c 3610 2016-11-05 17:12:23Z bruno $";
31
32extern int g_tape_buffer_size_MB;
33extern bool g_text_mode;
34extern int g_currentY;
35extern int g_current_media_number;
36extern char *MONDO_LOGFILE;
37
38/* Reference to global bkpinfo */
39extern struct s_bkpinfo *bkpinfo;
40
41/**
42 * @addtogroup globalGroup
43 * @{
44 */
45bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
46 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
47bool g_cd_recovery = FALSE; ///< TRUE if we're making an "autonuke" backup.
48double g_kernel_version;
49
50/**
51 * The place where /boot is mounted.
52 */
53char *g_boot_mountpt = NULL;
54
55/**
56 * The location of Mondo's home directory.
57 */
58char *g_mondo_home = NULL;
59
60/**
61 * The serial string (used to differentiate between backups) of the current backup.
62 */
63extern char *g_serial_string;
64
65/**
66 * The location where tmpfs is mounted, or "" if it's not mounted.
67char *g_tmpfs_mountpt = NULL;
68 */
69char *g_magicdev_command = NULL;
70
71/**
72 * The default maximum level to log messages at or below.
73 */
74int g_loglevel = DEFAULT_DEBUG_LEVEL;
75
76/* @} - end of globalGroup */
77
78
79extern pid_t g_buffer_pid;
80extern pid_t g_main_pid;
81
82extern t_bkptype g_backup_media_type;
83
84extern bool am_I_in_disaster_recovery_mode(void);
85
86/*-----------------------------------------------------------*/
87
88
89/**
90 * @addtogroup utilityGroup
91 * @{
92 */
93/**
94 * Assertion handler. Prints a friendly message to the user,
95 * offering to ignore all, dump core, break to debugger,
96 * exit, or ignore. Intended to be used with an assert() macro.
97 *
98 * @param file The file in which the assertion triggered.
99 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
100 * @param line The line number of the assert() statement.
101 * @param exp The expression that failed (as a string).
102 */
103void _mondo_assert_fail(const char *file,
104 const char *function, int line, const char *exp)
105{
106 static int ignoring_assertions = 0;
107 bool is_valid = TRUE;
108
109 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
110 function);
111 if (ignoring_assertions) {
112 log_it("Well, the user doesn't care...");
113 return;
114 }
115 if (!g_text_mode)
116 newtSuspend();
117 printf("ASSERTION FAILED: `%s'\n", exp);
118 printf("\tat %s:%d in %s\n\n", file, line, function);
119 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
120 do {
121 is_valid = TRUE;
122 switch (toupper(getchar())) {
123 case 'A': // ignore (A)ll
124 ignoring_assertions = 1;
125 break;
126 case 'B': // a(B)ort
127 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
128 raise(SIGABRT);
129 break; /* "can't get here" */
130 case 'D': // (D)ebug, aka asm("int 3")
131#ifdef __IA32__
132 __asm__ __volatile__("int $3"); // break to debugger
133#endif
134 break;
135 case 'E': // (E)xit
136 fatal_error("Failed assertion -- see above for details");
137 break; /* "can't get here" */
138 case 'I': // (I)gnore
139 break;
140 /* These next two work as follows:
141 the `default' catches the user's invalid choice and says so;
142 the '\n' catches the newline on the end and prints the prompt again.
143 */
144 case '\n':
145 printf
146 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
147 break;
148 default:
149 is_valid = FALSE;
150 printf("Invalid choice.\n");
151 break;
152 }
153 } while (!is_valid);
154
155 if (ignoring_assertions) {
156 log_it("Ignoring ALL assertions from now on.");
157 } else {
158 log_it("Ignoring assertion: %s", exp);
159 }
160
161 getchar(); // skip \n
162
163 if (!g_text_mode)
164 newtResume();
165}
166
167/**
168 * Clean's up users' KDE desktops.
169 * @bug Details about this function are unknown.
170 */
171void clean_up_KDE_desktop_if_necessary(void)
172{
173 char *tmp = NULL;
174
175 mr_asprintf(tmp, "for i in `find /root /home -maxdepth 2 -type d -name Desktop -maxdepth 2`; do file=$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");
176 run_program_and_log_output(tmp, 5);
177 mr_free(tmp);
178}
179
180
181/**
182 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
183 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
184 *
185 * @param home_sz String to store the home directory ("" if it could not be found).
186 * @return 0 for success, nonzero for failure.
187 */
188int find_and_store_mondoarchives_home(char *home_sz)
189{
190 assert(home_sz != NULL);
191 strcpy(home_sz, MONDO_SHARE);
192 return (0);
193}
194
195
196char *get_architecture(void) {
197#ifdef __IA32__
198# ifdef __X86_64__
199 return ("x86_64");
200# else
201 return ("i386");
202# endif
203#endif
204#ifdef __IA64__
205 return ("ia64");
206#endif
207 return ("unknown");
208}
209
210
211char *get_uname_m(void) {
212
213 struct utsname utsn;
214 char *tmp = NULL;
215
216 uname(&utsn);
217 mr_asprintf(tmp, "%s", utsn.machine);
218 return (tmp);
219}
220
221
222
223double get_kernel_version(void)
224{
225 char *p = NULL;
226 char *tmp = NULL;
227 double d;
228#ifdef __FreeBSD__
229 // JOSH - FIXME :)
230 d = 5.2; // :-)
231#else
232 tmp = call_program_and_get_last_line_of_output("uname -r");
233 p = strchr(tmp, '.');
234 if (p) {
235 p = strchr(++p, '.');
236 if (p) {
237 while (*p) {
238 *p = *(p + 1);
239 p++;
240 }
241 }
242 }
243 d = atof(tmp);
244 mr_free(tmp);
245#endif
246 log_msg(1, "g_kernel_version = %f", d);
247 return (d);
248}
249
250
251/**
252 * Get the current time.
253 * @return number of seconds since the epoch.
254 */
255long get_time()
256{
257 return (long) time((void *) 0);
258}
259
260
261/**
262 * Initialize a RAID volume structure, setting fields to zero. The
263 * actual hard drive is unaffected.
264 *
265 * @param raidrec The RAID volume structure to initialize.
266 * @note This function is system dependent.
267 */
268#ifdef __FreeBSD__
269void initialize_raidrec(struct vinum_volume *raidrec)
270{
271 int i, j;
272 raidrec->volname[0] = '\0';
273 raidrec->plexes = 0;
274 for (i = 0; i < 9; ++i) {
275 raidrec->plex[i].raidlevel = -1;
276 raidrec->plex[i].stripesize = 0;
277 raidrec->plex[i].subdisks = 0;
278 for (j = 0; j < 9; ++j) {
279 strcpy(raidrec->plex[i].sd[j].which_device, "");
280 }
281 }
282}
283#else
284void initialize_raidrec(struct raid_device_record *raidrec)
285{
286 assert(raidrec != NULL);
287 raidrec->raid_device[0] = '\0';
288 raidrec->raid_level = -9;
289 raidrec->persistent_superblock = 1;
290 raidrec->chunk_size = 64;
291 raidrec->parity = -1;
292 raidrec->data_disks.entries = 0;
293 raidrec->spare_disks.entries = 0;
294 raidrec->parity_disks.entries = 0;
295 raidrec->failed_disks.entries = 0;
296 raidrec->additional_vars.entries = 0;
297}
298#endif
299
300
301
302
303/**
304 * Insert modules that Mondo requires.
305 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
306 * @c msdosfs and @c ext2fs for FreeBSD.
307 */
308void insmod_crucial_modules(void)
309{
310#ifdef __FreeBSD__
311 paranoid_system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
312 paranoid_system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
313#else
314 paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
315#endif
316}
317
318/**
319 * Finish configuring the backup information structure. Call this function
320 * to set the parameters that depend on those that can be given on the command
321 * line.
322 *
323 * @param bkpinfo The backup information structure. Fields modified/used:
324 * - Used: @c bkpinfo->backup_data
325 * - Used: @c bkpinfo->backup_media_type
326 * - Used: @c bkpinfo->cdrw_speed
327 * - Used: @c bkpinfo->compression_level
328 * - Used: @c bkpinfo->include_paths
329 * - Used: @c bkpinfo->prefix
330 * - Used: @c bkpinfo->isodir
331 * - Used: @c bkpinfo->manual_cd_tray
332 * - Used: @c bkpinfo->make_cd_use_lilo
333 * - Used: @c bkpinfo->media_device
334 * - Used: @c bkpinfo->netfs_mount
335 * - Used: @c bkpinfo->nonbootable_backup
336 * - Used: @c bkpinfo->scratchdir
337 * - Used: @c bkpinfo->tmpdir
338 * - Used: @c bkpinfo->use_lzo
339 * - Modified: @c bkpinfo->call_before_iso
340 * - Modified: @c bkpinfo->call_make_iso
341 * - Modified: @c bkpinfo->optimal_set_size
342 * - Modified: @c bkpinfo->zip_exe
343 * - Modified: @c bkpinfo->zip_suffix
344 *
345 * @return number of errors, or 0 for success.
346 * @note Also creates directories that are specified in the @c bkpinfo structure but
347 * do not exist.
348 */
349int post_param_configuration()
350{
351 char *extra_cdrom_params = NULL;
352 char *mondo_mkisofs_sz = NULL;
353 char *command = NULL;
354 char *isofs_cmd = NULL;
355 int retval = 0;
356 char *cdr_exe = NULL;
357 char *tmp = NULL;
358 char *call_before_iso_user = NULL;
359 char *iso_dev = NULL;
360 char *iso_mnt = NULL;
361 char *iso_tmp = NULL;
362 char *iso_dir = NULL;
363 char *uefistr = NULL;
364
365 assert(bkpinfo != NULL);
366
367 bkpinfo->optimal_set_size = (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * 1024L;
368
369 log_msg(1, "Post-param");
370 if (bkpinfo->backup_media_type == tape) {
371 if (whine_if_not_found("mt") == 1) {
372 fatal_error("Please install the mt command");
373 }
374 log_msg(1, "Tape");
375 if (bkpinfo->media_device == NULL) {
376 return(1);
377 }
378 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
379 log_msg(1, "tmp = '%s'", tmp);
380 if (run_program_and_log_output(tmp, 3)) {
381 mr_free(tmp);
382 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.");
383 }
384 mr_free(tmp);
385 }
386 if (bkpinfo->backup_media_type == iso)
387 make_hole_for_dir(bkpinfo->isodir);
388
389 run_program_and_log_output("uname -a", 5);
390 run_program_and_log_output("cat /etc/*-release", 5);
391 run_program_and_log_output("cat /etc/*issue*", 5);
392#ifdef __FreeBSD__
393#else
394 run_program_and_log_output("cat /proc/cpuinfo", 5);
395 /*
396 run_program_and_log_output("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", 5);
397 */
398#endif
399
400 if (bkpinfo->use_lzo) {
401 strcpy(bkpinfo->zip_exe, "lzop");
402 strcpy(bkpinfo->zip_suffix, "lzo");
403 } else if (bkpinfo->use_gzip) {
404 strcpy(bkpinfo->zip_exe, "gzip");
405 strcpy(bkpinfo->zip_suffix, "gz");
406 } else if (bkpinfo->use_lzma) {
407 strcpy(bkpinfo->zip_exe, "lzma");
408 strcpy(bkpinfo->zip_suffix, "lzma");
409 } else if (bkpinfo->compression_level != 0) {
410 strcpy(bkpinfo->zip_exe, "bzip2");
411 strcpy(bkpinfo->zip_suffix, "bz2");
412 } else {
413 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
414 }
415
416// DVD
417
418 if (bkpinfo->backup_media_type == dvd) {
419 if (find_home_of_exe("growisofs")) {
420 mr_asprintf(cdr_exe, "growisofs");
421 } // unlikely to be used
422 else {
423 fatal_error("Please install growisofs.");
424 }
425 if (bkpinfo->nonbootable_backup) {
426 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
427 } else if
428#ifdef __FreeBSD__
429 (TRUE)
430#else
431 (bkpinfo->make_cd_use_lilo)
432#endif
433#ifdef __IA64__
434 {
435 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
436 }
437#else
438 {
439 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
440 }
441#endif
442 else {
443 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
444 }
445 if (bkpinfo->manual_cd_tray) {
446 fatal_error("Manual CD tray + DVD not supported yet.");
447 // -m isn't supported by growisofs, BTW...
448 } else {
449 sprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
450 }
451 mr_free(mondo_mkisofs_sz);
452 if (getenv ("SUDO_COMMAND")) {
453 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
454 tmp = call_program_and_get_last_line_of_output(command);
455 mr_free(command);
456 if (!strcmp(tmp, "1")) {
457 mr_free(tmp);
458 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
459 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
460 }
461 mr_free(tmp);
462 }
463 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
464 } // end of DVD code
465
466// CD-R or CD-RW
467 if (bkpinfo->backup_media_type == cdrw
468 || bkpinfo->backup_media_type == cdr) {
469 if (!bkpinfo->manual_cd_tray) {
470 mr_asprintf(extra_cdrom_params, "-waiti ");
471 }
472 if (bkpinfo->backup_media_type == cdrw) {
473 mr_asprintf(extra_cdrom_params, "blank=fast ");
474 }
475 if (extra_cdrom_params == NULL) {
476 // If not initialized earlier, do it now
477 mr_asprintf(extra_cdrom_params, " ");
478 }
479 if (find_home_of_exe("cdrecord")) {
480 mr_asprintf(cdr_exe, "cdrecord");
481 } else if (find_home_of_exe("dvdrecord")) {
482 mr_asprintf(cdr_exe, "dvdrecord");
483 } else {
484 fatal_error("Please install either cdrecord or dvdrecord.");
485 }
486 if (find_home_of_exe("xorriso")) {
487 mr_asprintf(isofs_cmd, "%s", MONDO_XORRISO_CMD);
488 } else if (find_home_of_exe("genisoimage")) {
489 mr_asprintf(isofs_cmd, "%s", MONDO_GENISOIMAGE_CMD);
490 } else {
491 mr_asprintf(isofs_cmd, "%s", MONDO_MKISOFS_CMD);
492 }
493 if (bkpinfo->nonbootable_backup) {
494 mr_asprintf(mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
495 } else if
496#ifdef __FreeBSD__
497 (TRUE)
498#else
499 (bkpinfo->make_cd_use_lilo)
500#endif
501#ifdef __IA64__
502 {
503 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
504 }
505#else
506 {
507 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
508 }
509#endif
510 else {
511 if (bkpinfo->boot_type == UEFI) {
512 if (strstr(isofs_cmd,"xorriso")) {
513 /* xorriso needs another '-' before efi-boot */
514 mr_asprintf(uefistr, "%s -%s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
515 } else {
516 mr_asprintf(uefistr, "%s %s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
517 }
518 } else {
519 mr_asprintf(uefistr, "%s",MONDO_MKISOFS_CMS);
520 }
521
522 mr_asprintf(mondo_mkisofs_sz, "%s%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX,uefistr);
523 }
524 mr_free(isofs_cmd);
525
526 if (bkpinfo->manual_cd_tray) {
527 if (bkpinfo->call_before_iso[0] == '\0') {
528 sprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
529 } else {
530 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
531 sprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
532 mr_free(call_before_iso_user);
533 }
534 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
535 sprintf(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);
536 } else {
537 sprintf(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);
538 }
539 mr_free(cdr_exe);
540 mr_free(mondo_mkisofs_sz);
541 mr_free(extra_cdrom_params);
542 } // end of CD code
543
544 if (bkpinfo->backup_media_type == iso) {
545
546/* Break up isodir into iso_mnt and iso_dir
547 * These will be used along with iso-dev at restore time
548 * to locate the ISOs where ever they're mounted
549 */
550
551 log_it("isodir = %s", bkpinfo->isodir);
552 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
553 log_it("command = %s", command);
554 iso_dev = call_program_and_get_last_line_of_output(command);
555 log_it("res of it = %s", iso_dev);
556 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
557 write_one_liner_data_file(tmp, iso_dev);
558 mr_free(tmp);
559 mr_free(command);
560
561 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
562 mr_free(iso_dev);
563
564 log_it("command = %s", command);
565 iso_mnt = call_program_and_get_last_line_of_output(command);
566 log_it("res of it = %s", iso_mnt);
567 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
568 write_one_liner_data_file(tmp, iso_mnt);
569 mr_free(tmp);
570 mr_free(command);
571
572 log_it("iso_mnt: %s, %d", iso_mnt, strlen(iso_mnt));
573 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
574 if (strlen(iso_tmp) < strlen(iso_mnt)) {
575 mr_asprintf(iso_dir, "%s", "");
576 } else {
577 // If iso_mnt is only / then iso_dir is the full dir
578 // (the formula bellow doesn't work in this case)
579 if (strcmp(iso_mnt, "/") == 0) {
580 mr_asprintf(iso_dir, "%s", iso_tmp);
581 // else it's a part of iso_tmp
582 } else {
583 mr_asprintf(iso_dir, "%s", iso_tmp + strlen(iso_mnt));
584 }
585 }
586 mr_free(iso_mnt);
587 mr_free(iso_tmp);
588
589 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
590 write_one_liner_data_file(tmp, iso_dir);
591 mr_free(tmp);
592
593 log_it("iso-dir: %s", iso_dir);
594 mr_free(iso_dir);
595
596 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
597 write_one_liner_data_file(tmp, bkpinfo->prefix);
598 mr_free(tmp);
599
600 log_it("iso-prefix: %s", bkpinfo->prefix);
601
602/* End patch */
603 } // end of iso code
604
605 if (bkpinfo->backup_media_type == netfs) {
606 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
607 write_one_liner_data_file(tmp, bkpinfo->prefix);
608 mr_free(tmp);
609
610 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
611 write_one_liner_data_file(tmp, bkpinfo->isodir);
612 mr_free(tmp);
613
614 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
615 write_one_liner_data_file(tmp, bkpinfo->netfs_remote_dir);
616 mr_free(tmp);
617
618 if (bkpinfo->netfs_mount) {
619 mr_asprintf(tmp, "%s/NETFS-SERVER-MOUNT", bkpinfo->tmpdir);
620 write_one_liner_data_file(tmp, bkpinfo->netfs_mount);
621 mr_free(tmp);
622 } else {
623 log_it("netfs_mount is NULL");
624 retval++;
625 }
626 }
627
628 log_it("Finished processing incoming params");
629 if (retval) {
630 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
631 }
632 if (bkpinfo->include_paths == NULL) {
633 mr_asprintf(bkpinfo->include_paths, "/");
634 }
635 g_backup_media_type = bkpinfo->backup_media_type;
636 return (retval);
637}
638
639
640
641/**
642 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
643 * Seeds the random-number generator, loads important modules, checks the sanity
644 * of the user's Linux distribution, and deletes logfile.
645 * @param bkpinfo The backup information structure. Will be initialized.
646 * @return number of errors (0 for success)
647 */
648int pre_param_configuration()
649{
650 int res = 0;
651 char *tmp = NULL;
652
653 make_hole_for_dir(MNT_CDROM);
654 assert(bkpinfo != NULL);
655 srandom((unsigned long) (time(NULL)));
656 insmod_crucial_modules();
657 if (bkpinfo->disaster_recovery) {
658 if (!does_nonMS_partition_exist()) {
659 fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
660 }
661 }
662
663 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
664 run_program_and_log_output(tmp, FALSE);
665 paranoid_free(tmp);
666 if (find_and_store_mondoarchives_home(g_mondo_home)) {
667 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");
668 res++;
669 return (res);
670 }
671 res += some_basic_system_sanity_checks();
672 if (res) {
673 log_it("Your distribution did not pass Mondo's sanity test.");
674 }
675 g_current_media_number = 1;
676 bkpinfo->postnuke_tarball[0] = '\0';
677 return (res);
678}
679
680/* From busybox under GPLv2 */
681#ifndef HAVE_MKDTEMP
682/* This is now actually part of POSIX.1, but was only added in 2008 */
683char* mkdtemp(char *template)
684{
685 if (mkstemp(template) == -1) {
686 return NULL;
687 }
688 unlink(template);
689 if (mkdir(template, 0700) != 0) {
690 return NULL;
691 }
692 return template;
693}
694#endif
695
696void setup_tmpdir(char *path) {
697
698 char *tmp = NULL;
699 char *p = NULL;
700
701 if (bkpinfo->tmpdir[0] != '\0') {
702 /* purging a potential old tmpdir */
703 if (chdir("/tmp")) {
704 // FIXME
705 }
706 if (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL) {
707 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
708 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
709 } else {
710 log_it("Purging old tmpdir %s/mondo.tmp.*", bkpinfo->tmpdir);
711 mr_asprintf(tmp,"rm -Rf %s/mondo.tmp.*",bkpinfo->tmpdir);
712 }
713 paranoid_system(tmp);
714 mr_free(tmp);
715 }
716
717 /* Always take in account arg first, then env, then default */
718 if (path != NULL) {
719 mr_system("mkdir -p %s",path);
720 log_it("Created temporary directory %s", path);
721 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
722 } else if (getenv("TMPDIR")) {
723 mr_system("mkdir -p %s",getenv("TMPDIR"));
724 log_it("Created temporary directory %s", getenv("TMPDIR"));
725 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
726 } else if (getenv("MRTMP")) {
727 mr_system("mkdir -p %s",getenv("MRTMP"));
728 log_it("Created temporary directory %s", getenv("MRTMP"));
729 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("MRTMP"));
730 } else {
731 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
732 }
733 p = mkdtemp(tmp);
734 if (p == NULL) {
735 printf("Failed to create global tmp directory %s for Mondo.",tmp);
736 mr_free(tmp);
737 finish(-1);
738 }
739 strcpy(bkpinfo->tmpdir,p);
740 mr_free(tmp);
741
742 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
743
744 mr_system("mkdir -p %s/tmpfs", bkpinfo->tmpdir);
745}
746
747void setup_scratchdir(char *path) {
748
749 char *tmp = NULL;
750 char *p = NULL;
751
752 if (bkpinfo->scratchdir != NULL) {
753 /* purging a potential old scratchdir */
754 if (chdir("/tmp")) {
755 // FIXME
756 }
757 if (strstr(bkpinfo->scratchdir,"mondo.scratch.") != NULL) {
758 log_it("Purging old scratchdir %s", bkpinfo->scratchdir);
759 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->scratchdir);
760 } else {
761 log_it("Purging old scratchdir %s/mondo.scratch.*", bkpinfo->scratchdir);
762 mr_asprintf(tmp,"rm -Rf %s/mondo.scratch.*",bkpinfo->scratchdir);
763 }
764 paranoid_system(tmp);
765 mr_free(tmp);
766 }
767
768 /* Always take in account arg first, then env, then default */
769 if (path != NULL) {
770 mr_system("mkdir -p %s",path);
771 log_it("Created scratch directory %s", path);
772 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", path);
773 } else if (getenv("MRSCRATCH")) {
774 mr_system("mkdir -p %s",getenv("MRSCRATCH"));
775 log_it("Created scratch directory %s", getenv("MRSCRATCH"));
776 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", getenv("MRSCRATCH"));
777 } else {
778 mr_asprintf(tmp, "/tmp/mondo.scratch.XXXXXX");
779 }
780 p = mkdtemp(tmp);
781 if (p == NULL) {
782 log_it("Failed to create global scratch directory %s for Mondo.",tmp);
783 finish(-1);
784 }
785 strcpy(bkpinfo->scratchdir,p);
786 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
787 paranoid_free(tmp);
788
789 mr_asprintf(tmp, "mkdir -p %s", bkpinfo->scratchdir);
790 paranoid_system(tmp);
791 mr_free(tmp);
792}
793
794
795/**
796 * Reset all fields of the backup information structure to a sensible default.
797 * @param bkpinfo The @c bkpinfo to reset.
798 */
799void reset_bkpinfo()
800{
801 assert(bkpinfo != NULL);
802 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
803
804 bkpinfo->media_device[0] = '\0';
805 bkpinfo->media_size = -1;
806 bkpinfo->boot_loader = '\0';
807 bkpinfo->boot_device = NULL;
808 bkpinfo->zip_exe[0] = '\0';
809 bkpinfo->zip_suffix[0] = '\0';
810 bkpinfo->image_devs[0] = '\0';
811 bkpinfo->compression_level = 3;
812 bkpinfo->use_lzo = FALSE;
813 bkpinfo->use_gzip = FALSE;
814 bkpinfo->use_lzma = FALSE;
815 bkpinfo->verify_data = FALSE;
816 bkpinfo->backup_data = FALSE;
817 bkpinfo->restore_data = FALSE;
818 bkpinfo->use_star = FALSE;
819 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
820
821 /* We need tmpdir as early as possible for further function calls */
822 bkpinfo->tmpdir[0] = '\0'; // Really setup after
823 bkpinfo->scratchdir[0] = '\0'; // Really setup after
824 setup_tmpdir(NULL);
825 setup_scratchdir(NULL);
826
827 bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
828 if (bkpinfo->disaster_recovery) {
829 strcpy(bkpinfo->isodir, "/");
830 } else {
831 strcpy(bkpinfo->isodir, MONDO_CACHE);
832 }
833 strcpy(bkpinfo->prefix, STD_PREFIX);
834 bkpinfo->optimal_set_size = 0L;
835 bkpinfo->backup_media_type = none;
836 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
837 bkpinfo->exclude_paths = NULL;
838 bkpinfo->include_paths = NULL;
839 bkpinfo->exclude_devs = NULL;
840 bkpinfo->restore_path[0] = '\0';
841 bkpinfo->call_before_iso[0] = '\0';
842 bkpinfo->call_make_iso[0] = '\0';
843 bkpinfo->call_burn_iso[0] = '\0';
844 bkpinfo->call_after_iso[0] = '\0';
845 bkpinfo->kernel_path[0] = '\0';
846 bkpinfo->netfs_mount = NULL;
847 bkpinfo->netfs_proto = NULL;
848 bkpinfo->netfs_user = NULL;
849 bkpinfo->netfs_remote_dir = NULL;
850 bkpinfo->postnuke_tarball[0] = '\0';
851 bkpinfo->subdir = NULL;
852 bkpinfo->wipe_media_first = FALSE;
853 bkpinfo->differential = 0;
854 bkpinfo->please_dont_eject = FALSE;
855 bkpinfo->cdrw_speed = 0;
856 bkpinfo->manual_cd_tray = FALSE;
857 bkpinfo->nonbootable_backup = FALSE;
858 bkpinfo->make_cd_use_lilo = FALSE;
859 bkpinfo->use_obdr = FALSE;
860 bkpinfo->restore_mode = interactive;
861 bkpinfo->boot_type = BIOS;
862}
863
864
865/**
866 * Get the remaining free space (in MB) on @p partition.
867 * @param partition The partition to check free space on (either a device or a mountpoint).
868 * @return The free space on @p partition, in MB.
869 */
870long free_space_on_given_partition(char *partition)
871{
872 char *out_sz = NULL;
873 char *command = NULL;
874 long res;
875
876 assert_string_is_neither_NULL_nor_zerolength(partition);
877
878 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
879 if (system(command)) {
880 mr_free(command);
881 return (-1);
882 } // partition does not exist
883 mr_free(command);
884
885 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
886 out_sz = call_program_and_get_last_line_of_output(command);
887 mr_free(command);
888
889 if (strlen(out_sz) == 0) {
890 mr_free(out_sz);
891 return (-1);
892 } // error within df, probably
893 res = atol(out_sz);
894 mr_free(out_sz);
895 return (res);
896}
897
898
899
900/**
901 * Check the user's system for sanity. Checks performed:
902 * - make sure user has enough RAM (32mb required, 64mb recommended)
903 * - make sure user has enough free space in @c /
904 * - check kernel for ramdisk support
905 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
906 * - make sure CD-ROM is unmounted
907 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
908 *
909 * @return number of problems with the user's setup (0 for success)
910 */
911int some_basic_system_sanity_checks()
912{
913
914 /*@ buffers ************ */
915 char *tmp = NULL;
916
917 /*@ int's *************** */
918 int retval = 0;
919
920 mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
921#ifndef __FreeBSD__
922 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
923 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
924 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
925 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
926 }
927 tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2");
928 if (atol(tmp) < 35000) {
929 retval++;
930 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
931 }
932 if (atol(tmp) < 66000) {
933 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
934 }
935 mr_free(tmp);
936#endif
937
938 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
939 retval++;
940 log_to_screen
941 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
942 fatal_error
943 ("Please use \"su -\", not \"su\" to become root. OK? ...and please don't e-mail the mailing list or me about this. Just read the message. :)");
944 }
945#ifndef __FreeBSD__
946 if (run_program_and_log_output
947 ("grep ramdisk /proc/devices", FALSE)) {
948 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
949 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
950 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
951 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?")) {
952 // retval++;
953 log_to_screen("It looks as if your kernel lacks ramdisk and initrd support.");
954 log_to_screen("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
955 }
956 }
957 }
958#endif
959 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
960 if (system("which xorriso > /dev/null 2> /dev/null")) {
961 if (system("which genisoimage > /dev/null 2> /dev/null")) {
962 retval += whine_if_not_found("mkisofs");
963 }
964 }
965 if (system("which wodim > /dev/null 2> /dev/null")) {
966 retval += whine_if_not_found("cdrecord");
967 }
968 retval += whine_if_not_found("bzip2");
969 retval += whine_if_not_found("gzip");
970 retval += whine_if_not_found("awk");
971 retval += whine_if_not_found("md5sum");
972 retval += whine_if_not_found("strings");
973 retval += whine_if_not_found("mindi");
974 retval += whine_if_not_found("buffer");
975
976 // abort if Windows partition but no ms-sys and parted
977 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
978 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -Ew efi", 0)) {
979 log_to_screen("I think you have a EFI/UEFI partition.");
980 } else {
981 log_to_screen("I think you have a Windows 9x partition.");
982 }
983 retval += whine_if_not_found("parted");
984 }
985
986 if (!find_home_of_exe("cmp")) {
987 whine_if_not_found("cmp");
988 }
989 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
990 tmp = call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\"");
991 if (strcmp("", tmp)) {
992 if (strstr(tmp, "autofs")) {
993 log_to_screen("Your CD-ROM is mounted via autofs. I therefore cannot tell");
994 log_to_screen("if a CD actually is inserted. If a CD is inserted, please");
995 log_to_screen("eject it. Thank you.");
996 log_it("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
997 } else
998 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
999 retval++;
1000 mr_free(tmp);
1001 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
1002 }
1003 }
1004 mr_free(tmp);
1005
1006 run_program_and_log_output("cat /etc/fstab", 5);
1007#ifdef __FreeBSD__
1008 run_program_and_log_output("vinum printconfig", 5);
1009#else
1010 run_program_and_log_output("cat /etc/raidtab", 5);
1011#endif
1012
1013 if (run_program_and_log_output("mindi -V", 1)) {
1014 log_to_screen("Could not ascertain mindi's version number.");
1015 log_to_screen("You have not installed Mondo and/or Mindi properly.");
1016 log_to_screen("Please uninstall and reinstall them both.");
1017 fatal_error("Please reinstall Mondo and Mindi.");
1018 }
1019 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1020 if (run_program_and_log_output(tmp, 5)) {
1021 log_to_screen("%s failed for some reason.", tmp);
1022 mr_free(tmp);
1023 log_to_screen("Please run that command by hand and examine "MINDI_LOGFILE);
1024 log_to_screen("for more information. Perhaps your /etc/fstab file is insane.");
1025 log_to_screen("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1026 retval++;
1027 }
1028 mr_free(tmp);
1029
1030 if (!run_program_and_log_output("mr-parted2fdisk -l 2>/dev/null | grep -i raid", 1) && !does_file_exist("/etc/raidtab")) {
1031 log_to_screen("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1032 create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
1033 }
1034
1035 if (retval) {
1036 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1037 } else {
1038 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1039 }
1040 return (retval);
1041}
1042
1043/**
1044 * Retrieve the line containing @p label from the config file.
1045 * @param config_file The file to read from, usually @c /tmp/mondorestore.cfg.
1046 * @param label What to read from the file.
1047 * @param value Where to put it.
1048 * @return 0 for success, 1 for failure.
1049 */
1050int read_cfg_var(char *config_file, char *label, char *value)
1051{
1052 /*@ buffer ****************************************************** */
1053 char *command = NULL;
1054 char *tmp = NULL;
1055
1056 /*@ end vars *************************************************** */
1057
1058 assert_string_is_neither_NULL_nor_zerolength(config_file);
1059 assert_string_is_neither_NULL_nor_zerolength(label);
1060 if (!does_file_exist(config_file)) {
1061 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
1062 value[0] = '\0';
1063 return (1);
1064 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1065 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1066 return (0);
1067 } else {
1068 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
1069 tmp = call_program_and_get_last_line_of_output(command);
1070 strcpy(value, tmp);
1071 mr_free(command);
1072
1073 log_msg(4, "Configuration item %s is %s", label, value);
1074 if (strlen(value) == 0) {
1075 return (1);
1076 } else {
1077 return (0);
1078 }
1079 }
1080}
1081
1082
1083
1084/**
1085 * Remount @c supermount if it was unmounted earlier.
1086 */
1087void remount_supermounts_if_necessary()
1088{
1089 if (g_remount_cdrom_at_end) {
1090 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1091 }
1092 if (g_remount_floppy_at_end) {
1093 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1094 }
1095}
1096
1097/**
1098 * Unmount @c supermount if it's mounted.
1099 */
1100void unmount_supermounts_if_necessary()
1101{
1102 if (run_program_and_log_output
1103 ("mount | grep cdrom | grep super", FALSE) == 0) {
1104 g_remount_cdrom_at_end = TRUE;
1105 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1106 }
1107 if (run_program_and_log_output
1108 ("mount | grep floppy | grep super", FALSE) == 0) {
1109 g_remount_floppy_at_end = TRUE;
1110 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1111 }
1112}
1113
1114/**
1115 * Whether we had to stop autofs (if so, restart it at end).
1116 */
1117bool g_autofs_stopped = FALSE;
1118
1119/**
1120 * Path to the autofs initscript ("" if none exists).
1121 */
1122char g_autofs_exe[MAX_STR_LEN];
1123
1124/**
1125 * Autofs initscript in Xandros Linux distribution.
1126 */
1127#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1128
1129/**
1130 * Autofs initscript in most Linux distributions.
1131 */
1132#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1133
1134/**
1135 * If autofs is mounted, stop it (restart at end).
1136 */
1137void stop_autofs_if_necessary()
1138{
1139 char *tmp = NULL;
1140
1141 g_autofs_exe[0] = '\0';
1142 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1143 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1144 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1145 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1146 }
1147
1148 if (!g_autofs_exe[0]) {
1149 log_msg(3, "No autofs detected.");
1150 } else {
1151 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1152 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1153 mr_asprintf(tmp, "%s stop", g_autofs_exe);
1154 if (run_program_and_log_output(tmp, 2)) {
1155 log_it("Failed to stop autofs - I assume it wasn't running");
1156 } else {
1157 g_autofs_stopped = TRUE;
1158 log_it("Stopped autofs OK");
1159 }
1160 mr_free(tmp);
1161 }
1162}
1163
1164/**
1165 * If autofs was stopped earlier, restart it.
1166 */
1167void restart_autofs_if_necessary()
1168{
1169 char *tmp = NULL;
1170
1171 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1172 log_msg(3, "No autofs detected.");
1173 return;
1174 }
1175 mr_asprintf(tmp, "%s start", g_autofs_exe);
1176 if (run_program_and_log_output(tmp, 2)) {
1177 log_it("Failed to start autofs");
1178 } else {
1179 g_autofs_stopped = FALSE;
1180 log_it("Started autofs OK");
1181 }
1182 mr_free(tmp);
1183}
1184
1185
1186/**
1187 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1188 */
1189void mount_boot_if_necessary() {
1190 char *tmp = NULL;
1191 char *command = NULL;
1192
1193 log_msg(1, "Started sub");
1194 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1195 g_boot_mountpt[0] = '\0';
1196 log_msg(4, "Done. Great. Seeting command to something");
1197 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1198 log_msg(4, "Cool. Command = '%s'", command);
1199 tmp = call_program_and_get_last_line_of_output(command);
1200 mr_free(command);
1201
1202 log_msg(4, "tmp = '%s'", tmp);
1203 log_it("/boot is at %s according to /etc/fstab", tmp);
1204 mr_asprintf(command, "mount | grep -Ew '/boot'");
1205 mr_free(tmp);
1206
1207 tmp = call_program_and_get_last_line_of_output(command);
1208 mr_free(command);
1209
1210 if (!strcmp(tmp,"")) {
1211 if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=") != NULL)) {
1212 if (!run_program_and_log_output("mount /boot", 5)) {
1213 strcpy(g_boot_mountpt, "/boot");
1214 log_msg(1, "Mounted /boot");
1215 } else {
1216 log_it("...ignored cos it's a label or uuid :-)");
1217 }
1218 } else {
1219 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1220 log_msg(3, "command = %s", command);
1221 if (run_program_and_log_output(command, 5)) {
1222 strcpy(g_boot_mountpt, tmp);
1223 mr_free(tmp);
1224 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
1225
1226 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1227 if (run_program_and_log_output(tmp, 5)) {
1228 g_boot_mountpt[0] = '\0';
1229 log_msg(1, "Plan B");
1230 if (!run_program_and_log_output("mount /boot", 5)) {
1231 strcpy(g_boot_mountpt, "/boot");
1232 log_msg(1, "Plan B worked");
1233 } else {
1234 log_msg(1,
1235 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1236 }
1237 }
1238 }
1239 mr_free(command);
1240 }
1241 }
1242 mr_free(tmp);
1243 log_msg(1, "Ended sub");
1244}
1245
1246
1247/**
1248 * If we mounted /boot earlier, unmount it.
1249 */
1250void unmount_boot_if_necessary()
1251{
1252 char *tmp = NULL;
1253
1254 log_msg(3, "starting");
1255 if (g_boot_mountpt[0]) {
1256 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
1257 if (run_program_and_log_output(tmp, 5)) {
1258 log_it("WARNING - unable to unmount /boot");
1259 }
1260 mr_free(tmp);
1261 }
1262 log_msg(3, "leaving");
1263}
1264
1265
1266
1267/**
1268 * Write a line to a configuration file. Writes a line of the form,
1269 * @c label @c value.
1270 * @param config_file The file to write to. Usually @c mondorestore.cfg.
1271 * @param label What to call this bit of data you're writing.
1272 * @param value The bit of data you're writing.
1273 * @return 0 for success, 1 for failure.
1274 */
1275int write_cfg_var(char *config_file, char *label, char *value)
1276{
1277 /*@ buffers ***************************************************** */
1278 char *command = NULL;
1279 char *tempfile = NULL;
1280
1281
1282 /*@ end vars *************************************************** */
1283 assert_string_is_neither_NULL_nor_zerolength(config_file);
1284 assert_string_is_neither_NULL_nor_zerolength(label);
1285 assert(value != NULL);
1286 if (!does_file_exist(config_file)) {
1287 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
1288 return (1);
1289 }
1290 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1291 if (does_file_exist(config_file)) {
1292 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
1293 paranoid_system(command);
1294 mr_free(command);
1295 }
1296 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1297 paranoid_system(command);
1298 mr_free(command);
1299
1300 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
1301 paranoid_system(command);
1302 mr_free(command);
1303 unlink(tempfile);
1304 mr_free(tempfile);
1305 return (0);
1306}
1307
1308
1309/**
1310 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1311 * information to the logfile.
1312 */
1313void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1314
1315 va_list args;
1316 static int depth = 0;
1317 FILE *fout;
1318
1319 if (depth > 5) {
1320 depth--;
1321 return;
1322 }
1323 depth++;
1324
1325 if (debug_level <= g_loglevel) {
1326 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1327 return;
1328 }
1329
1330 // add tabs to distinguish log levels
1331 if (debug_level > 0) {
1332 fprintf(fout, "DBG%d: ", debug_level);
1333 if (getpid() == g_main_pid)
1334 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1335 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1336 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1337 else
1338 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1339 } else {
1340 fprintf(fout, "INFO: ");
1341 }
1342 va_start(args, fmt);
1343 vfprintf(fout, fmt, args);
1344 va_end(args);
1345
1346 fprintf(fout, "\n");
1347 paranoid_fclose(fout);
1348 }
1349 depth--;
1350}
1351
1352/**
1353 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1354 */
1355void (*log_debug_msg) (int, const char *, const char *, int, const char *, ...) = standard_log_debug_msg;
1356
1357
1358/**
1359 * Allocate or free important globals, depending on @p mal.
1360 * @param mal If TRUE, malloc; if FALSE, free.
1361 */
1362void do_libmondo_global_strings_thing(int mal)
1363{
1364 if (mal) {
1365 malloc_string(g_boot_mountpt);
1366 malloc_string(g_mondo_home);
1367 malloc_string(g_serial_string);
1368 malloc_string(g_magicdev_command);
1369 } else {
1370 paranoid_free(g_boot_mountpt);
1371 paranoid_free(g_mondo_home);
1372 paranoid_free(g_magicdev_command);
1373
1374 mr_free(g_serial_string);
1375 }
1376}
1377
1378/**
1379 * Allocate important globals.
1380 * @see do_libmondo_global_strings_thing
1381 */
1382void malloc_libmondo_global_strings(void)
1383{
1384 do_libmondo_global_strings_thing(1);
1385}
1386
1387/**
1388 * Free important globals.
1389 * @see do_libmondo_global_strings_thing
1390 */
1391void free_libmondo_global_strings(void)
1392{
1393 do_libmondo_global_strings_thing(0);
1394}
1395
1396
1397
1398/**
1399 * Stop @c magicdev if it's running.
1400 * The command used to start it is saved in @p g_magicdev_command.
1401 */
1402void stop_magicdev_if_necessary()
1403{
1404 char *tmp = NULL;
1405
1406 tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99");
1407 strcpy(g_magicdev_command, tmp);
1408 if (g_magicdev_command[0]) {
1409 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1410 paranoid_system("killall magicdev");
1411 }
1412 mr_free(tmp);
1413}
1414
1415
1416/**
1417 * Restart magicdev if it was stopped.
1418 */
1419void restart_magicdev_if_necessary()
1420{
1421 char *tmp = NULL;
1422
1423 if (g_magicdev_command && g_magicdev_command[0]) {
1424 mr_asprintf(tmp, "%s &", g_magicdev_command);
1425 paranoid_system(tmp);
1426 mr_free(tmp);
1427 }
1428}
1429
1430/* @} - end of utilityGroup */
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