source: MondoRescue/branches/3.1/mondo/src/common/libmondo-tools.c@ 3147

Last change on this file since 3147 was 3147, checked in by Bruno Cornec, 11 years ago
  • First pass on svn merge -r 2935:3146 ../3.0
  • Property svn:keywords set to Id
File size: 39.5 KB
Line 
1/*
2 $Id: libmondo-tools.c 3147 2013-06-19 06:34:46Z 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 "mondostructures.h"
14#include "lib-common-externs.h"
15#include "libmondo-tools.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 3147 2013-06-19 06:34:46Z 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;
36extern char *g_serial_string;
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; ///< 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 location where tmpfs is mounted, or "" if it's not mounted.
62char *g_tmpfs_mountpt = NULL;
63 */
64char *g_magicdev_command = NULL;
65
66/**
67 * The default maximum level to log messages at or below.
68 */
69int g_loglevel = DEFAULT_DEBUG_LEVEL;
70
71/* @} - end of globalGroup */
72
73
74extern pid_t g_buffer_pid;
75extern pid_t g_main_pid;
76
77extern t_bkptype g_backup_media_type;
78
79extern bool am_I_in_disaster_recovery_mode(void);
80
81/*-----------------------------------------------------------*/
82
83
84/**
85 * @addtogroup utilityGroup
86 * @{
87 */
88/**
89 * Assertion handler. Prints a friendly message to the user,
90 * offering to ignore all, dump core, break to debugger,
91 * exit, or ignore. Intended to be used with an assert() macro.
92 *
93 * @param file The file in which the assertion triggered.
94 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
95 * @param line The line number of the assert() statement.
96 * @param exp The expression that failed (as a string).
97 */
98void _mondo_assert_fail(const char *file,
99 const char *function, int line, const char *exp)
100{
101 static int ignoring_assertions = 0;
102 bool is_valid = TRUE;
103
104 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
105 function);
106 if (ignoring_assertions) {
107 log_it("Well, the user doesn't care...");
108 return;
109 }
110 if (!g_text_mode)
111 newtSuspend();
112 printf("ASSERTION FAILED: `%s'\n", exp);
113 printf("\tat %s:%d in %s\n\n", file, line, function);
114 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
115 do {
116 is_valid = TRUE;
117 switch (toupper(getchar())) {
118 case 'A': // ignore (A)ll
119 ignoring_assertions = 1;
120 break;
121 case 'B': // a(B)ort
122 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
123 raise(SIGABRT);
124 break; /* "can't get here" */
125 case 'D': // (D)ebug, aka asm("int 3")
126#ifdef __IA32__
127 __asm__ __volatile__("int $3"); // break to debugger
128#endif
129 break;
130 case 'E': // (E)xit
131 fatal_error("Failed assertion -- see above for details");
132 break; /* "can't get here" */
133 case 'I': // (I)gnore
134 break;
135 /* These next two work as follows:
136 the `default' catches the user's invalid choice and says so;
137 the '\n' catches the newline on the end and prints the prompt again.
138 */
139 case '\n':
140 printf
141 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
142 break;
143 default:
144 is_valid = FALSE;
145 printf("Invalid choice.\n");
146 break;
147 }
148 } while (!is_valid);
149
150 if (ignoring_assertions) {
151 log_it("Ignoring ALL assertions from now on.");
152 } else {
153 log_it("Ignoring assertion: %s", exp);
154 }
155
156 getchar(); // skip \n
157
158 if (!g_text_mode)
159 newtResume();
160}
161
162/**
163 * Clean's up users' KDE desktops.
164 * @bug Details about this function are unknown.
165 */
166void clean_up_KDE_desktop_if_necessary(void)
167{
168 char *tmp = NULL;
169
170 mr_asprintf(tmp, "for i in `find /root /home -maxdepth 2 -type d -name Desktop -maxdepth 2`; do file=$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");
171 run_program_and_log_output(tmp, 5);
172 mr_free(tmp);
173}
174
175
176/**
177 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
178 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
179 *
180 * @param home_sz String to store the home directory ("" if it could not be found).
181 * @return 0 for success, nonzero for failure.
182 */
183int find_and_store_mondoarchives_home(char *home_sz)
184{
185 assert(home_sz != NULL);
186 strcpy(home_sz, MONDO_SHARE);
187 return (0);
188}
189
190
191char *get_architecture(void) {
192#ifdef __IA32__
193# ifdef __X86_64__
194 return ("x86_64");
195# else
196 return ("i386");
197# endif
198#endif
199#ifdef __IA64__
200 return ("ia64");
201#endif
202 return ("unknown");
203}
204
205
206char *get_uname_m(void) {
207
208 struct utsname utsn;
209 char *tmp = NULL;
210
211 uname(&utsn);
212 mr_asprintf(tmp, "%s", utsn.machine);
213 return (tmp);
214}
215
216
217
218double get_kernel_version(void)
219{
220 char *p = NULL;
221 char *tmp = NULL;
222 double d;
223#ifdef __FreeBSD__
224 // JOSH - FIXME :)
225 d = 5.2; // :-)
226#else
227 tmp = call_program_and_get_last_line_of_output("uname -r",TRUE);
228 p = strchr(tmp, '.');
229 if (p) {
230 p = strchr(++p, '.');
231 if (p) {
232 while (*p) {
233 *p = *(p + 1);
234 p++;
235 }
236 }
237 }
238 d = atof(tmp);
239 mr_free(tmp);
240#endif
241 log_msg(1, "g_kernel_version = %f", d);
242 return (d);
243}
244
245
246/**
247 * Get the current time.
248 * @return number of seconds since the epoch.
249 */
250long get_time()
251{
252 return (long) time((void *) 0);
253}
254
255
256/**
257 * Initialize a RAID volume structure, setting fields to zero. The
258 * actual hard drive is unaffected.
259 *
260 * @param raidrec The RAID volume structure to initialize.
261 * @note This function is system dependent.
262 */
263#ifdef __FreeBSD__
264void initialize_raidrec(struct vinum_volume *raidrec)
265{
266 int i, j;
267 raidrec->volname[0] = '\0';
268 raidrec->plexes = 0;
269 for (i = 0; i < 9; ++i) {
270 raidrec->plex[i].raidlevel = -1;
271 raidrec->plex[i].stripesize = 0;
272 raidrec->plex[i].subdisks = 0;
273 for (j = 0; j < 9; ++j) {
274 strcpy(raidrec->plex[i].sd[j].which_device, "");
275 }
276 }
277}
278#else
279void initialize_raidrec(struct raid_device_record *raidrec)
280{
281 assert(raidrec != NULL);
282 raidrec->raid_device[0] = '\0';
283 raidrec->raid_level = -9;
284 raidrec->persistent_superblock = 1;
285 raidrec->chunk_size = 64;
286 raidrec->parity = -1;
287 raidrec->data_disks.entries = 0;
288 raidrec->spare_disks.entries = 0;
289 raidrec->parity_disks.entries = 0;
290 raidrec->failed_disks.entries = 0;
291 raidrec->additional_vars.entries = 0;
292}
293#endif
294
295
296
297
298/**
299 * Insert modules that Mondo requires.
300 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
301 * @c msdosfs and @c ext2fs for FreeBSD.
302 */
303void insmod_crucial_modules(void)
304{
305#ifdef __FreeBSD__
306 paranoid_system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
307 paranoid_system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
308#else
309 paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
310#endif
311}
312
313/**
314 * Finish configuring the backup information structure. Call this function
315 * to set the parameters that depend on those that can be given on the command
316 * line.
317 *
318 * @param bkpinfo The backup information structure. Fields modified/used:
319 * - Used: @c bkpinfo->backup_data
320 * - Used: @c bkpinfo->backup_media_type
321 * - Used: @c bkpinfo->cdrw_speed
322 * - Used: @c bkpinfo->compression_level
323 * - Used: @c bkpinfo->include_paths
324 * - Used: @c bkpinfo->prefix
325 * - Used: @c bkpinfo->isodir
326 * - Used: @c bkpinfo->manual_cd_tray
327 * - Used: @c bkpinfo->make_cd_use_lilo
328 * - Used: @c bkpinfo->media_device
329 * - Used: @c bkpinfo->netfs_mount
330 * - Used: @c bkpinfo->nonbootable_backup
331 * - Used: @c bkpinfo->scratchdir
332 * - Used: @c bkpinfo->tmpdir
333 * - Used: @c bkpinfo->use_lzo
334 * - Modified: @c bkpinfo->call_before_iso
335 * - Modified: @c bkpinfo->call_make_iso
336 * - Modified: @c bkpinfo->optimal_set_size
337 * - Modified: @c bkpinfo->zip_exe
338 * - Modified: @c bkpinfo->zip_suffix
339 *
340 * @return number of errors, or 0 for success.
341 * @note Also creates directories that are specified in the @c bkpinfo structure but
342 * do not exist.
343 */
344int post_param_configuration()
345{
346 char *extra_cdrom_params = NULL;
347 char *mondo_mkisofs_sz = NULL;
348 char *command = NULL;
349 char *hostname = NULL;
350 char *isofs_cmd = NULL;
351 char *ip_address = NULL;
352 int retval = 0;
353 char *colon;
354 char *cdr_exe = NULL;
355 char *tmp = NULL;
356 char *p = NULL;
357 char *call_before_iso_user = NULL;
358 char *iso_dev = NULL;
359 char *iso_mnt = NULL;
360 char *iso_tmp = NULL;
361 char *iso_path = NULL;
362
363 assert(bkpinfo != NULL);
364
365 if (!bkpinfo->tmpdir) {
366 fatal_error("Tmpdir set to NULL !");
367 }
368
369 bkpinfo->optimal_set_size =
370 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
371 1024;
372
373 if (strlen(bkpinfo->tmpdir) < 2) {
374 log_it("tmpdir is blank/missing");
375 retval++;
376 }
377
378 log_msg(1, "Post-param");
379 if (bkpinfo->backup_media_type == tape) {
380 if (whine_if_not_found("mt") == 1) {
381 fatal_error("Please install the mt command");
382 }
383 log_msg(1, "Tape");
384 if (bkpinfo->media_device == NULL) {
385 return(1);
386 }
387 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
388 log_msg(1, "tmp = '%s'", tmp);
389 if (run_program_and_log_output(tmp, 3)) {
390 mr_free(tmp);
391 fatal_error
392 ("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.");
393 }
394 mr_free(tmp);
395 }
396 if (bkpinfo->scratchdir) {
397 make_hole_for_dir(bkpinfo->scratchdir);
398 chmod(bkpinfo->scratchdir, 0700);
399 } else {
400 fatal_error("Scratchdir set to NULL !");
401 }
402 if (bkpinfo->backup_media_type == iso)
403 make_hole_for_dir(bkpinfo->isodir);
404
405 run_program_and_log_output("uname -a", 5);
406 run_program_and_log_output("cat /etc/*-release", 5);
407 run_program_and_log_output("cat /etc/*issue*", 5);
408#ifdef __FreeBSD__
409#else
410 run_program_and_log_output("cat /proc/cpuinfo", 5);
411 run_program_and_log_output
412 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
413 5);
414#endif
415
416 if (bkpinfo->use_lzo) {
417 mr_asprintf(bkpinfo->zip_exe, "lzop");
418 mr_asprintf(bkpinfo->zip_suffix, "lzo");
419 } else if (bkpinfo->use_gzip) {
420 mr_asprintf(bkpinfo->zip_exe, "gzip");
421 mr_asprintf(bkpinfo->zip_suffix, "gz");
422 } else if (bkpinfo->use_lzma) {
423 mr_asprintf(bkpinfo->zip_exe, "lzma");
424 mr_asprintf(bkpinfo->zip_suffix, "lzma");
425 } else if (bkpinfo->compression_level != 0) {
426 mr_asprintf(bkpinfo->zip_exe, "bzip2");
427 mr_asprintf(bkpinfo->zip_suffix, "bz2");
428 } else {
429 mr_asprintf(bkpinfo->zip_exe, "none");
430 mr_asprintf(bkpinfo->zip_suffix, "");
431 }
432
433// DVD
434
435 if (bkpinfo->backup_media_type == dvd) {
436 tmp = find_home_of_exe("growisofs");
437 if (tmp) {
438 mr_asprintf(cdr_exe, "growisofs");
439 } // unlikely to be used
440 else {
441 mr_free(tmp);
442 fatal_error("Please install growisofs.");
443 }
444 mr_free(tmp);
445
446 if (bkpinfo->nonbootable_backup) {
447 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
448 } else if
449#ifdef __FreeBSD__
450 (TRUE)
451#else
452 (bkpinfo->make_cd_use_lilo)
453#endif
454#ifdef __IA64__
455 {
456 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
457 }
458#else
459 {
460 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
461 }
462#endif
463 else
464 {
465 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
466 }
467 if (bkpinfo->manual_cd_tray) {
468 paranoid_free(mondo_mkisofs_sz);
469 fatal_error("Manual CD tray + DVD not supported yet.");
470 // -m isn't supported by growisofs, BTW...
471 } else {
472 if (bkpinfo->media_device == NULL) {
473 return(1);
474 }
475 mr_free(bkpinfo->call_make_iso);
476 mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
477 paranoid_free(mondo_mkisofs_sz);
478 }
479 if (getenv ("SUDO_COMMAND")) {
480 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
481 tmp = call_program_and_get_last_line_of_output(command,TRUE);
482 if (!strcmp(tmp, "1")) {
483 mr_free(command);
484 mr_free(tmp);
485 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
486 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
487 }
488 mr_free(command);
489 mr_free(tmp);
490 }
491 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
492 } // end of DVD code
493
494// CD-R or CD-RW
495 if (bkpinfo->backup_media_type == cdrw
496 || bkpinfo->backup_media_type == cdr) {
497 if (!bkpinfo->manual_cd_tray) {
498 mr_asprintf(extra_cdrom_params, "-waiti ");
499 }
500 if (bkpinfo->backup_media_type == cdrw) {
501 mr_asprintf(extra_cdrom_params, "blank=fast ");
502 }
503 if (extra_cdrom_params == NULL) {
504 // If not initialized earlier, do it now
505 mr_asprintf(extra_cdrom_params, " ");
506 }
507 if (find_home_of_exe("cdrecord")) {
508 strcpy(cdr_exe, "cdrecord");
509 } else if (find_home_of_exe("dvdrecord")) {
510 strcpy(cdr_exe, "dvdrecord");
511 } else {
512 mr_free(tmp);
513 tmp = find_home_of_exe("dvdrecord");
514 if (tmp) {
515 mr_asprintf(cdr_exe, "dvdrecord");
516 } else {
517 mr_free(tmp);
518 fatal_error("Please install either cdrecord or dvdrecord.");
519 }
520 }
521 mr_free(tmp);
522
523 if (find_home_of_exe("genisoimage")) {
524 mr_asprintf(isofs_cmd, "%s", MONDO_GENISOIMAGE_CMD);
525 } else {
526 mr_asprintf(isofs_cmd, "%s", MONDO_MKISOFS_CMD);
527 }
528 if (bkpinfo->nonbootable_backup) {
529 mr_asprintf(mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
530 } else if
531#ifdef __FreeBSD__
532 (TRUE)
533#else
534 (bkpinfo->make_cd_use_lilo)
535#endif
536#ifdef __IA64__
537 {
538 mr_asprintf(mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
539 }
540#else
541 {
542 mr_asprintf(mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
543 }
544#endif
545 else
546 {
547 mr_asprintf(mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX);
548 }
549
550 mr_free(bkpinfo->call_make_iso);
551 mr_free(isofs_cmd);
552
553 if (bkpinfo->manual_cd_tray) {
554 if (bkpinfo->call_before_iso == NULL) {
555 mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
556 } else {
557 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
558 mr_free(bkpinfo->call_before_iso);
559 mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
560 mr_free(call_before_iso_user);
561 }
562 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
563 if (bkpinfo->media_device == NULL) {
564 return(1);
565 }
566 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);
567 } else {
568 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);
569 }
570 mr_free(cdr_exe);
571 paranoid_free(mondo_mkisofs_sz);
572 paranoid_free(extra_cdrom_params);
573 } // end of CD code
574
575 if (bkpinfo->backup_media_type == iso) {
576
577/* Patch by Conor Daly <conor.daly@met.ie>
578 * 23-june-2004
579 * Break up isodir into iso_mnt and iso_path
580 * These will be used along with iso-dev at restore time
581 * to locate the ISOs where ever they're mounted
582 */
583
584 log_it("isodir = %s", bkpinfo->isodir);
585 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
586 log_it("command = %s", command);
587 iso_dev = call_program_and_get_last_line_of_output(command,TRUE);
588 log_it("res of it = %s", iso_dev);
589 mr_free(command);
590
591 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
592 mr_free(iso_dev);
593
594 log_it("command = %s", command);
595 iso_mnt = call_program_and_get_last_line_of_output(command,TRUE);
596 log_it("res of it = %s", iso_mnt);
597 mr_free(command);
598
599 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
600 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
601 if (strlen(iso_tmp) < strlen(iso_mnt)) {
602 mr_asprintf(iso_path, "%s", "");
603 } else {
604 // If iso_mnt is only / then iso_path is the full dir
605 // (the formula bellow doesn't work in this case)
606 if (strcmp(iso_mnt, "/") == 0) {
607 mr_asprintf(iso_path, "%s", iso_tmp);
608 // else it's a part of iso_tmp
609 } else {
610 mr_asprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
611 }
612 }
613 mr_free(iso_mnt);
614 mr_free(iso_tmp);
615
616 log_it("isodir: %s", iso_path);
617 mr_free(iso_path);
618
619 log_it("iso-prefix: %s", bkpinfo->prefix);
620
621/* End patch */
622 } // end of iso code
623
624 if (bkpinfo->backup_media_type == netfs) {
625 if (bkpinfo->netfs_mount) {
626 mr_asprintf(hostname, "%s", bkpinfo->netfs_mount);
627 } else {
628 log_it("netfs_mount is NULL");
629 retval++;
630 mr_asprintf(hostname, "");
631 }
632 colon = strchr(hostname, ':');
633 if (!colon) {
634 log_it("netfs mount doesn't have a colon in it");
635 retval++;
636 } else {
637 struct hostent *hent;
638
639 *colon = '\0';
640 colon = strchr(hostname, '@');
641 if (colon) {
642 *colon = '\0';
643 colon++;
644 hent = gethostbyname(colon);
645 mr_asprintf(&(bkpinfo->netfs_user),"%s", hostname);
646 } else {
647 hent = gethostbyname(hostname);
648 }
649 if (!hent) {
650 log_it("Can't resolve Network mount (%s): %s", hostname, hstrerror(h_errno));
651 retval++;
652 } else {
653 mr_asprintf(ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
654 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
655 mr_free(bkpinfo->netfs_mount);
656 bkpinfo->netfs_mount = ip_address;
657 }
658 }
659 mr_free(hostname);
660 store_netfs_config();
661 }
662
663 log_it("Finished processing incoming params");
664 if (retval) {
665 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
666 }
667 if (bkpinfo->include_paths == NULL) {
668 mr_asprintf(p, "/");
669 bkpinfo->include_paths = p;
670 }
671 g_backup_media_type = bkpinfo->backup_media_type;
672 return (retval);
673}
674
675
676
677/**
678 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
679 * Seeds the random-number generator, loads important modules, checks the sanity
680 * of the user's Linux distribution, and deletes logfile.
681 * @param bkpinfo The backup information structure. Will be initialized.
682 * @return number of errors (0 for success)
683 */
684int pre_param_configuration()
685{
686 int res = 0;
687 char *tmp = NULL;
688
689 make_hole_for_dir(MNT_CDROM);
690 assert(bkpinfo != NULL);
691 srandom((unsigned long) (time(NULL)));
692 insmod_crucial_modules();
693 if (bkpinfo->disaster_recovery) {
694 if (!does_nonMS_partition_exist()) {
695 fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
696 }
697 }
698
699 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
700 run_program_and_log_output(tmp, FALSE);
701 paranoid_free(tmp);
702 if (find_and_store_mondoarchives_home(g_mondo_home)) {
703 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");
704 res++;
705 return (res);
706 }
707 res += some_basic_system_sanity_checks();
708 if (res) {
709 log_it("Your distribution did not pass Mondo's sanity test.");
710 }
711 g_current_media_number = 1;
712 return (res);
713}
714
715/* From busybox under GPLv2 */
716#ifndef HAVE_MKDTEMP
717/* This is now actually part of POSIX.1, but was only added in 2008 */
718char* mkdtemp(char *template)
719{
720 if (mktemp(template) == NULL || mkdir(template, 0700) != 0)
721 return NULL;
722 return template;
723}
724#endif
725
726void setup_tmpdir(char *path) {
727
728 char *tmp = NULL;
729 char *p = NULL;
730
731 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
732 /* purging a potential old tmpdir */
733 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
734 if (chdir("/tmp")) {
735 // FIXME
736 }
737 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
738 mr_free(bkpinfo->tmpdir);
739 paranoid_system(tmp);
740 mr_free(tmp);
741 }
742
743 /* Always take in account env first */
744 if (getenv("TMPDIR")) {
745 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
746 } else if (getenv("TMP")) {
747 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
748 } else if (path != NULL) {
749 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
750 } else {
751 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
752 }
753 p = mkdtemp(tmp);
754 if (p == NULL) {
755 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
756 mr_free(tmp);
757 finish(-1);
758 }
759
760 bkpinfo->tmpdir = p;
761 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
762}
763
764/* Free all memory allocated into bkpinfo */
765void mr_free_bkpinfo() {
766
767 log_msg(1, "Freeing bkpinfo");
768 mr_free(bkpinfo->media_device);
769 mr_free(bkpinfo->boot_device);
770 mr_free(bkpinfo->zip_exe);
771 mr_free(bkpinfo->zip_suffix);
772 mr_free(bkpinfo->image_devs);
773 mr_free(bkpinfo->isodir);
774 mr_free(bkpinfo->prefix);
775 mr_free(bkpinfo->scratchdir);
776 mr_free(bkpinfo->tmpdir);
777 mr_free(bkpinfo->include_paths);
778 mr_free(bkpinfo->exclude_paths);
779 mr_free(bkpinfo->exclude_devs);
780 mr_free(bkpinfo->restore_path);
781 mr_free(bkpinfo->call_before_iso);
782 mr_free(bkpinfo->call_make_iso);
783 mr_free(bkpinfo->call_burn_iso);
784 mr_free(bkpinfo->call_after_iso);
785 mr_free(bkpinfo->kernel_path);
786 mr_free(bkpinfo->netfs_mount);
787 mr_free(bkpinfo->netfs_remote_dir);
788 mr_free(bkpinfo->netfs_user);
789 mr_free(bkpinfo->netfs_proto);
790 mr_free(bkpinfo->postnuke_tarball);
791 mr_free(bkpinfo->subdir);
792
793 /* Then free the structure */
794 mr_free(bkpinfo);
795}
796
797/**
798 * Reset all fields of the backup information structure to a sensible default.
799 * @param bkpinfo The @c bkpinfo to reset.
800 */
801void init_bkpinfo()
802{
803 int i;
804 log_msg(1, "Initializing bkpinfo");
805 bkpinfo = (struct s_bkpinfo *)mr_malloc(sizeof(struct s_bkpinfo));
806
807 /* We need tmpdir as early as possible for further function calls */
808 bkpinfo->tmpdir = NULL; // Really setup after
809 setup_tmpdir(NULL);
810
811 /* Initialized in same order as in the structure declaration to detect errors more easily */
812 bkpinfo->media_device = NULL;
813 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
814 bkpinfo->media_size[i] = -1;
815 }
816 bkpinfo->boot_loader = '\0';
817 bkpinfo->boot_device = NULL;
818 bkpinfo->zip_exe = NULL;
819 bkpinfo->zip_suffix = NULL;
820 bkpinfo->image_devs = NULL;
821 bkpinfo->compression_level = 3;
822 bkpinfo->use_lzo = FALSE;
823 bkpinfo->use_gzip = FALSE;
824 bkpinfo->use_lzma = FALSE;
825 bkpinfo->verify_data = FALSE;
826 bkpinfo->backup_data = FALSE;
827 bkpinfo->restore_data = FALSE;
828 bkpinfo->use_star = FALSE;
829 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
830 bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
831 if (bkpinfo->disaster_recovery) {
832 mr_asprintf(bkpinfo->isodir, "%s", "/");
833 } else {
834 mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
835 }
836 mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
837 /* bkpinfo->tmpdir is here in the struct */
838 bkpinfo->scratchdir = NULL; // Really setup after
839 bkpinfo->optimal_set_size = 0;
840 bkpinfo->backup_media_type = none;
841 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
842 bkpinfo->include_paths = NULL;
843 bkpinfo->exclude_paths = NULL;
844 bkpinfo->exclude_devs = NULL;
845 bkpinfo->restore_path = NULL;
846 bkpinfo->call_before_iso = NULL;
847 bkpinfo->call_make_iso = NULL;
848 bkpinfo->call_burn_iso = NULL;
849 bkpinfo->call_after_iso = NULL;
850 bkpinfo->kernel_path = NULL;
851 bkpinfo->netfs_mount = NULL;
852 bkpinfo->netfs_remote_dir = NULL;
853 bkpinfo->netfs_user = NULL;
854 bkpinfo->netfs_proto = NULL;
855 bkpinfo->postnuke_tarball = NULL;
856 bkpinfo->subdir = NULL;
857 bkpinfo->wipe_media_first = FALSE;
858 bkpinfo->differential = 0;
859 bkpinfo->please_dont_eject = FALSE;
860 bkpinfo->cdrw_speed = 0;
861 bkpinfo->manual_cd_tray = FALSE;
862 bkpinfo->nonbootable_backup = FALSE;
863 bkpinfo->make_cd_use_lilo = FALSE;
864 bkpinfo->use_obdr = FALSE;
865 bkpinfo->restore_mode = interactive;
866
867 sensibly_set_scratchdir();
868}
869
870
871
872
873/**
874 * Get the remaining free space (in MB) on @p partition.
875 * @param partition The partition to check free space on (either a device or a mountpoint).
876 * @return The free space on @p partition, in MB.
877 */
878long free_space_on_given_partition(char *partition)
879{
880 char *out_sz = NULL;
881 char *command = NULL;
882 long res;
883
884 assert_string_is_neither_NULL_nor_zerolength(partition);
885
886 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
887 if (system(command)) {
888 mr_free(command);
889 return (-1);
890 } // partition does not exist
891 mr_free(command);
892
893 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
894 out_sz = call_program_and_get_last_line_of_output(command,TRUE);
895 mr_free(command);
896
897 if (strlen(out_sz) == 0) {
898 mr_free(out_sz);
899 return (-1);
900 } // error within df, probably
901 res = atol(out_sz);
902 mr_free(out_sz);
903 return (res);
904}
905
906
907
908/**
909 * Check the user's system for sanity. Checks performed:
910 * - make sure user has enough RAM (32mb required, 64mb recommended)
911 * - make sure user has enough free space in @c /
912 * - check kernel for ramdisk support
913 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
914 * - make sure CD-ROM is unmounted
915 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
916 *
917 * @return number of problems with the user's setup (0 for success)
918 */
919int some_basic_system_sanity_checks()
920{
921
922 /*@ buffers ************ */
923 char *tmp = NULL;
924
925 /*@ int's *************** */
926 int retval = 0;
927
928 mvaddstr_and_log_it(g_currentY, 0,
929 "Checking sanity of your Linux distribution");
930#ifndef __FreeBSD__
931 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
932 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
933 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
934 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
935 }
936 tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2",TRUE);
937 if (atol(tmp) < 35000) {
938 retval++;
939 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
940 }
941 if (atol(tmp) < 66000) {
942 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
943 }
944 mr_free(tmp);
945#endif
946
947 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
948 retval++;
949 log_to_screen
950 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
951 fatal_error
952 ("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. :)");
953 }
954#ifndef __FreeBSD__
955 if (run_program_and_log_output
956 ("grep ramdisk /proc/devices", FALSE)) {
957 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
958 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
959 if (run_program_and_log_output
960 ("grep ramdisk /proc/devices", FALSE)) {
961 if (!ask_me_yes_or_no
962 ("Your kernel has no ramdisk support. That's mind-numbingly stupid but I'll allow it if you're planning to use a failsafe kernel. Are you?"))
963 {
964 // retval++;
965 log_to_screen
966 ("It looks as if your kernel lacks ramdisk and initrd support.");
967 log_to_screen
968 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
969 }
970 }
971 }
972#endif
973 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
974 if (system("which genisoimage > /dev/null 2> /dev/null")) {
975 retval += whine_if_not_found("mkisofs");
976 }
977 if (system("which wodim > /dev/null 2> /dev/null")) {
978 retval += whine_if_not_found("cdrecord");
979 }
980 retval += whine_if_not_found("bzip2");
981 retval += whine_if_not_found("gzip");
982 retval += whine_if_not_found("awk");
983 retval += whine_if_not_found("md5sum");
984 retval += whine_if_not_found("strings");
985 retval += whine_if_not_found("mindi");
986 retval += whine_if_not_found("buffer");
987
988 // abort if Windows partition but no ms-sys and parted
989 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
990 log_to_screen("I think you have a Windows 9x partition.");
991 retval += whine_if_not_found("parted");
992 }
993
994 if (!find_home_of_exe("cmp")) {
995 whine_if_not_found("cmp");
996 }
997
998 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
999 tmp = call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\"",TRUE);
1000 if (strcmp("", tmp)) {
1001 if (strstr(tmp, "autofs")) {
1002 log_to_screen
1003 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
1004 log_to_screen
1005 ("if a CD actually is inserted. If a CD is inserted, please");
1006 log_to_screen("eject it. Thank you.");
1007 log_it
1008 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1009 } else
1010 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1011 retval++;
1012 mr_free(tmp);
1013 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
1014 }
1015 }
1016 mr_free(tmp);
1017
1018 run_program_and_log_output("cat /etc/fstab", 5);
1019#ifdef __FreeBSD__
1020 run_program_and_log_output("vinum printconfig", 5);
1021#else
1022 run_program_and_log_output("cat /etc/raidtab", 5);
1023#endif
1024
1025 if (run_program_and_log_output("mindi -V", 1)) {
1026 log_to_screen("Could not ascertain mindi's version number.");
1027 log_to_screen
1028 ("You have not installed Mondo and/or Mindi properly.");
1029 log_to_screen("Please uninstall and reinstall them both.");
1030 fatal_error("Please reinstall Mondo and Mindi.");
1031 }
1032 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1033 if (run_program_and_log_output(tmp, 5)) {
1034 mr_free(tmp);
1035 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1036 log_to_screen(tmp);
1037 log_to_screen
1038 ("Please run that command by hand and examine /var/log/mindi.log");
1039 log_to_screen
1040 ("for more information. Perhaps your /etc/fstab file is insane.");
1041 log_to_screen
1042 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1043 retval++;
1044 }
1045 mr_free(tmp);
1046
1047 if (!run_program_and_log_output("parted2fdisk -l 2>/dev/null | grep -i raid", 1)
1048 && !does_file_exist("/etc/raidtab")) {
1049 log_to_screen
1050 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1051 create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
1052 }
1053
1054 if (retval) {
1055 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1056 } else {
1057 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1058 }
1059 return (retval);
1060}
1061
1062/**
1063 * Retrieve the line containing @p label from the config file.
1064 * @param config_file The file to read from, usually @c mondorestore.cfg.
1065 * @param label What to read from the file.
1066 * @param value Where to put it.
1067 * @return value of the param or NULL if not found
1068 */
1069char *read_cfg_var(char *config_file, char *label)
1070{
1071 /*@ buffer ****************************************************** */
1072 char *command = NULL;
1073 char *value = NULL;
1074
1075 /*@ end vars *************************************************** */
1076
1077 assert_string_is_neither_NULL_nor_zerolength(config_file);
1078 assert_string_is_neither_NULL_nor_zerolength(label);
1079 if (!does_file_exist(config_file)) {
1080 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
1081 return (NULL);
1082 } else {
1083 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
1084 value = call_program_and_get_last_line_of_output(command,TRUE);
1085 mr_free(command);
1086
1087 log_msg(4, "Configuration item %s is %s", label, value);
1088 if (strlen(value) == 0) {
1089 return (NULL);
1090 } else {
1091 return (value);
1092 }
1093 }
1094}
1095
1096
1097
1098/**
1099 * Remount @c supermount if it was unmounted earlier.
1100 */
1101void remount_supermounts_if_necessary()
1102{
1103 if (g_remount_cdrom_at_end) {
1104 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1105 }
1106 if (g_remount_floppy_at_end) {
1107 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1108 }
1109}
1110
1111/**
1112 * Unmount @c supermount if it's mounted.
1113 */
1114void unmount_supermounts_if_necessary()
1115{
1116 if (run_program_and_log_output
1117 ("mount | grep cdrom | grep super", FALSE) == 0) {
1118 g_remount_cdrom_at_end = TRUE;
1119 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1120 }
1121 if (run_program_and_log_output
1122 ("mount | grep floppy | grep super", FALSE) == 0) {
1123 g_remount_floppy_at_end = TRUE;
1124 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1125 }
1126}
1127
1128/**
1129 * Whether we had to stop autofs (if so, restart it at end).
1130 */
1131bool g_autofs_stopped = FALSE;
1132
1133/**
1134 * Path to the autofs initscript ("" if none exists).
1135 */
1136char g_autofs_exe[MAX_STR_LEN];
1137
1138/**
1139 * Autofs initscript in Xandros Linux distribution.
1140 */
1141#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1142
1143/**
1144 * Autofs initscript in most Linux distributions.
1145 */
1146#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1147
1148/**
1149 * If autofs is mounted, stop it (restart at end).
1150 */
1151void stop_autofs_if_necessary()
1152{
1153 char *tmp = NULL;
1154
1155 g_autofs_exe[0] = '\0';
1156 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1157 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1158 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1159 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1160 }
1161
1162 if (!g_autofs_exe[0]) {
1163 log_msg(3, "No autofs detected.");
1164 } else {
1165 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1166 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1167 mr_asprintf(tmp, "%s stop", g_autofs_exe);
1168 if (run_program_and_log_output(tmp, 2)) {
1169 log_it("Failed to stop autofs - I assume it wasn't running");
1170 } else {
1171 g_autofs_stopped = TRUE;
1172 log_it("Stopped autofs OK");
1173 }
1174 mr_free(tmp);
1175 }
1176}
1177
1178/**
1179 * If autofs was stopped earlier, restart it.
1180 */
1181void restart_autofs_if_necessary()
1182{
1183 char *tmp = NULL;
1184
1185 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1186 log_msg(3, "No autofs detected.");
1187 return;
1188 }
1189 mr_asprintf(tmp, "%s start", g_autofs_exe);
1190 if (run_program_and_log_output(tmp, 2)) {
1191 log_it("Failed to start autofs");
1192 } else {
1193 g_autofs_stopped = FALSE;
1194 log_it("Started autofs OK");
1195 }
1196 mr_free(tmp);
1197}
1198
1199
1200/**
1201 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1202 */
1203void mount_boot_if_necessary() {
1204 char *tmp = NULL;
1205 char *command = NULL;
1206
1207 log_msg(1, "Started sub");
1208 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1209 g_boot_mountpt[0] = '\0';
1210 log_msg(4, "Done. Great. Seeting command to something");
1211 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1212 log_msg(4, "Cool. Command = '%s'", command);
1213 tmp = call_program_and_get_last_line_of_output(command,TRUE);
1214 mr_free(command);
1215
1216 log_msg(4, "tmp = '%s'", tmp);
1217 log_it("/boot is at %s according to /etc/fstab", tmp);
1218 mr_asprintf(command, "mount | grep -Ew '/boot'");
1219 mr_free(tmp);
1220 tmp = call_program_and_get_last_line_of_output(command,TRUE);
1221 mr_free(command);
1222
1223 if (!strcmp(tmp,"")) {
1224 if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=")!= NULL)) {
1225 if (!run_program_and_log_output("mount /boot", 5)) {
1226 strcpy(g_boot_mountpt, "/boot");
1227 log_msg(1, "Mounted /boot");
1228 } else {
1229 log_it("...ignored cos it's a label or uuid :-)");
1230 }
1231 } else {
1232 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1233 log_msg(3, "command = %s", command);
1234 if (run_program_and_log_output(command, 5)) {
1235 strcpy(g_boot_mountpt, tmp);
1236 mr_free(tmp);
1237 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
1238
1239 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1240 if (run_program_and_log_output(tmp, 5)) {
1241 g_boot_mountpt[0] = '\0';
1242 log_msg(1, "Plan B");
1243 if (!run_program_and_log_output("mount /boot", 5)) {
1244 strcpy(g_boot_mountpt, "/boot");
1245 log_msg(1, "Plan B worked");
1246 } else {
1247 log_msg(1,
1248 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1249 }
1250 }
1251 }
1252 mr_free(command);
1253 }
1254 }
1255 mr_free(tmp);
1256 log_msg(1, "Ended sub");
1257}
1258
1259
1260/**
1261 * If we mounted /boot earlier, unmount it.
1262 */
1263void unmount_boot_if_necessary()
1264{
1265 char *tmp = NULL;
1266
1267 log_msg(3, "starting");
1268 if (g_boot_mountpt[0]) {
1269 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
1270 if (run_program_and_log_output(tmp, 5)) {
1271 log_it("WARNING - unable to unmount /boot");
1272 }
1273 mr_free(tmp);
1274 }
1275 log_msg(3, "leaving");
1276}
1277
1278
1279
1280/**
1281 * Write a line to a configuration file. Writes a line of the form,
1282 * @c label @c value.
1283 * @param config_file The file to write to. Usually @c mondorestore.cfg.
1284 * @param label What to call this bit of data you're writing.
1285 * @param value The bit of data you're writing.
1286 * @return 0 for success, 1 for failure.
1287 */
1288int write_cfg_var(char *config_file, char *label, char *value)
1289{
1290 /*@ buffers ***************************************************** */
1291 char *command = NULL;
1292 char *tempfile = NULL;
1293
1294
1295 /*@ end vars *************************************************** */
1296 assert_string_is_neither_NULL_nor_zerolength(config_file);
1297 assert_string_is_neither_NULL_nor_zerolength(label);
1298 assert(value != NULL);
1299 if (!does_file_exist(config_file)) {
1300 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
1301 return (1);
1302 }
1303 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1304 if (does_file_exist(config_file)) {
1305 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
1306 paranoid_system(command);
1307 mr_free(command);
1308 }
1309 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1310 paranoid_system(command);
1311 mr_free(command);
1312
1313 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
1314 paranoid_system(command);
1315 mr_free(command);
1316 unlink(tempfile);
1317 mr_free(tempfile);
1318 return (0);
1319}
1320
1321
1322/**
1323 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1324 * information to the logfile.
1325 */
1326void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1327
1328 va_list args;
1329 static int depth = 0;
1330 FILE *fout;
1331
1332 if (depth > 5) {
1333 depth--;
1334 return;
1335 }
1336 depth++;
1337
1338 if (debug_level <= g_loglevel) {
1339 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1340 return;
1341 }
1342
1343 // add tabs to distinguish log levels
1344 if (debug_level > 0) {
1345 fprintf(fout, "DBG%d: ", debug_level);
1346 if (getpid() == g_main_pid)
1347 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1348 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1349 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1350 else
1351 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1352 } else {
1353 fprintf(fout, "INFO: ");
1354 }
1355 va_start(args, fmt);
1356 vfprintf(fout, fmt, args);
1357 va_end(args);
1358
1359 fprintf(fout, "\n");
1360 paranoid_fclose(fout);
1361 }
1362 depth--;
1363}
1364
1365/**
1366 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1367 */
1368void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1369 ...) = standard_log_debug_msg;
1370
1371
1372/**
1373 * Allocate or free important globals, depending on @p mal.
1374 * @param mal If TRUE, malloc; if FALSE, free.
1375 */
1376void do_libmondo_global_strings_thing(int mal)
1377{
1378 if (mal) {
1379 malloc_string(g_boot_mountpt);
1380 malloc_string(g_mondo_home);
1381 malloc_string(g_magicdev_command);
1382 } else {
1383 paranoid_free(g_boot_mountpt);
1384 paranoid_free(g_mondo_home);
1385 paranoid_free(g_magicdev_command);
1386
1387 mr_free(g_serial_string);
1388 }
1389}
1390
1391/**
1392 * Allocate important globals.
1393 * @see do_libmondo_global_strings_thing
1394 */
1395void malloc_libmondo_global_strings(void)
1396{
1397 do_libmondo_global_strings_thing(1);
1398}
1399
1400/**
1401 * Free important globals.
1402 * @see do_libmondo_global_strings_thing
1403 */
1404void free_libmondo_global_strings(void)
1405{
1406 do_libmondo_global_strings_thing(0);
1407}
1408
1409
1410
1411/**
1412 * Stop @c magicdev if it's running.
1413 * The command used to start it is saved in @p g_magicdev_command.
1414 */
1415void stop_magicdev_if_necessary() {
1416
1417 char *tmp = NULL;
1418
1419 tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99",TRUE);
1420
1421 strcpy(g_magicdev_command, tmp);
1422 mr_free(tmp);
1423
1424 if (g_magicdev_command[0]) {
1425 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1426 paranoid_system("killall magicdev");
1427 }
1428}
1429
1430
1431/**
1432 * Restart magicdev if it was stopped.
1433 */
1434void restart_magicdev_if_necessary()
1435{
1436 char *tmp = NULL;
1437
1438 if (g_magicdev_command && g_magicdev_command[0]) {
1439 mr_asprintf(tmp, "%s &", g_magicdev_command);
1440 paranoid_system(tmp);
1441 mr_free(tmp);
1442 }
1443}
1444
1445/* @} - end of utilityGroup */
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