source: MondoRescue/branches/3.0/mondo/src/common/libmondo-tools.c@ 2972

Last change on this file since 2972 was 2926, checked in by Bruno Cornec, 12 years ago

-mondoarchive now exists if the mt command is missing when needed
  • Property svn:keywords set to Id
File size: 39.7 KB
Line 
1/*
2 $Id: libmondo-tools.c 2926 2011-12-22 23:02:31Z 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 2926 2011-12-22 23:02:31Z bruno $";
30
31extern int g_tape_buffer_size_MB;
32extern char *g_serial_string;
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; ///< 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 */
63char *g_serial_string = NULL;
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#ifndef _XWIN
116 if (!g_text_mode)
117 newtSuspend();
118#endif
119 printf("ASSERTION FAILED: `%s'\n", exp);
120 printf("\tat %s:%d in %s\n\n", file, line, function);
121 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
122 do {
123 is_valid = TRUE;
124 switch (toupper(getchar())) {
125 case 'A': // ignore (A)ll
126 ignoring_assertions = 1;
127 break;
128 case 'B': // a(B)ort
129 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
130 raise(SIGABRT);
131 break; /* "can't get here" */
132 case 'D': // (D)ebug, aka asm("int 3")
133#ifdef __IA32__
134 __asm__ __volatile__("int $3"); // break to debugger
135#endif
136 break;
137 case 'E': // (E)xit
138 fatal_error("Failed assertion -- see above for details");
139 break; /* "can't get here" */
140 case 'I': // (I)gnore
141 break;
142 /* These next two work as follows:
143 the `default' catches the user's invalid choice and says so;
144 the '\n' catches the newline on the end and prints the prompt again.
145 */
146 case '\n':
147 printf
148 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
149 break;
150 default:
151 is_valid = FALSE;
152 printf("Invalid choice.\n");
153 break;
154 }
155 } while (!is_valid);
156
157 if (ignoring_assertions) {
158 log_it("Ignoring ALL assertions from now on.");
159 } else {
160 log_it("Ignoring assertion: %s", exp);
161 }
162
163 getchar(); // skip \n
164
165#ifndef _XWIN
166 if (!g_text_mode)
167 newtResume();
168#endif
169}
170
171/**
172 * Clean's up users' KDE desktops.
173 * @bug Details about this function are unknown.
174 */
175void clean_up_KDE_desktop_if_necessary(void)
176{
177 char *tmp;
178
179 malloc_string(tmp);
180 strcpy(tmp,
181 "for i in `find /root /home -maxdepth 2 -type d -name Desktop`; do \
182file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
183awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
184else { print $0;};}' $file.old > $file ; fi ; done");
185 run_program_and_log_output(tmp, 5);
186 paranoid_free(tmp);
187}
188
189
190/**
191 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
192 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
193 *
194 * @param home_sz String to store the home directory ("" if it could not be found).
195 * @return 0 for success, nonzero for failure.
196 */
197int find_and_store_mondoarchives_home(char *home_sz)
198{
199 assert(home_sz != NULL);
200 strcpy(home_sz, MONDO_SHARE);
201 return (0);
202}
203
204
205char *get_architecture(void) {
206#ifdef __IA32__
207# ifdef __X86_64__
208 return ("x86_64");
209# else
210 return ("i386");
211# endif
212#endif
213#ifdef __IA64__
214 return ("ia64");
215#endif
216 return ("unknown");
217}
218
219
220char *get_uname_m(void) {
221
222 struct utsname utsn;
223 char *tmp = NULL;
224
225 uname(&utsn);
226 mr_asprintf(&tmp, "%s", utsn.machine);
227 return (tmp);
228}
229
230
231
232double get_kernel_version(void)
233{
234 char *p, tmp[200];
235 double d;
236#ifdef __FreeBSD__
237 // JOSH - FIXME :)
238 d = 5.2; // :-)
239#else
240 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
241 p = strchr(tmp, '.');
242 if (p) {
243 p = strchr(++p, '.');
244 if (p) {
245 while (*p) {
246 *p = *(p + 1);
247 p++;
248 }
249 }
250 }
251// log_msg(1, "tmp = '%s'", tmp);
252 d = atof(tmp);
253#endif
254 log_msg(1, "g_kernel_version = %f", d);
255 return (d);
256}
257
258
259
260
261
262/**
263 * Get the current time.
264 * @return number of seconds since the epoch.
265 */
266long get_time()
267{
268 return (long) time((void *) 0);
269}
270
271
272
273
274
275
276
277/**
278 * Initialize a RAID volume structure, setting fields to zero. The
279 * actual hard drive is unaffected.
280 *
281 * @param raidrec The RAID volume structure to initialize.
282 * @note This function is system dependent.
283 */
284#ifdef __FreeBSD__
285void initialize_raidrec(struct vinum_volume *raidrec)
286{
287 int i, j;
288 raidrec->volname[0] = '\0';
289 raidrec->plexes = 0;
290 for (i = 0; i < 9; ++i) {
291 raidrec->plex[i].raidlevel = -1;
292 raidrec->plex[i].stripesize = 0;
293 raidrec->plex[i].subdisks = 0;
294 for (j = 0; j < 9; ++j) {
295 strcpy(raidrec->plex[i].sd[j].which_device, "");
296 }
297 }
298}
299#else
300void initialize_raidrec(struct raid_device_record *raidrec)
301{
302 assert(raidrec != NULL);
303 raidrec->raid_device[0] = '\0';
304 raidrec->raid_level = -9;
305 raidrec->persistent_superblock = 1;
306 raidrec->chunk_size = 64;
307 raidrec->parity = -1;
308 raidrec->data_disks.entries = 0;
309 raidrec->spare_disks.entries = 0;
310 raidrec->parity_disks.entries = 0;
311 raidrec->failed_disks.entries = 0;
312 raidrec->additional_vars.entries = 0;
313}
314#endif
315
316
317
318
319/**
320 * Insert modules that Mondo requires.
321 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
322 * @c msdosfs and @c ext2fs for FreeBSD.
323 */
324void insmod_crucial_modules(void)
325{
326#ifdef __FreeBSD__
327 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
328 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
329#else
330 system("modprobe -a msdos vfat loop &> /dev/null");
331#endif
332}
333
334/**
335 * Finish configuring the backup information structure. Call this function
336 * to set the parameters that depend on those that can be given on the command
337 * line.
338 *
339 * @param bkpinfo The backup information structure. Fields modified/used:
340 * - Used: @c bkpinfo->backup_data
341 * - Used: @c bkpinfo->backup_media_type
342 * - Used: @c bkpinfo->cdrw_speed
343 * - Used: @c bkpinfo->compression_level
344 * - Used: @c bkpinfo->include_paths
345 * - Used: @c bkpinfo->prefix
346 * - Used: @c bkpinfo->isodir
347 * - Used: @c bkpinfo->manual_cd_tray
348 * - Used: @c bkpinfo->make_cd_use_lilo
349 * - Used: @c bkpinfo->media_device
350 * - Used: @c bkpinfo->netfs_mount
351 * - Used: @c bkpinfo->nonbootable_backup
352 * - Used: @c bkpinfo->scratchdir
353 * - Used: @c bkpinfo->tmpdir
354 * - Used: @c bkpinfo->use_lzo
355 * - Modified: @c bkpinfo->call_before_iso
356 * - Modified: @c bkpinfo->call_make_iso
357 * - Modified: @c bkpinfo->optimal_set_size
358 * - Modified: @c bkpinfo->zip_exe
359 * - Modified: @c bkpinfo->zip_suffix
360 *
361 * @return number of errors, or 0 for success.
362 * @note Also creates directories that are specified in the @c bkpinfo structure but
363 * do not exist.
364 */
365int post_param_configuration()
366{
367 char *extra_cdrom_params = NULL;
368 char *mondo_mkisofs_sz = NULL;
369 char *command = NULL;
370 char *mtpt;
371 char *hostname;
372 char *isofs_cmd = NULL;
373 char *ip_address = NULL;
374 int retval = 0;
375 char *colon;
376 char *cdr_exe;
377 char *tmp = NULL;
378 char call_before_iso_user[MAX_STR_LEN] = "\0";
379 /*
380 long avm = 0;
381 int rdsiz_MB;
382 */
383 char *iso_dev = NULL;
384 char *iso_mnt = NULL;
385 char *iso_tmp = NULL;
386 char *iso_path = NULL;
387
388 assert(bkpinfo != NULL);
389 malloc_string(mtpt);
390 malloc_string(hostname);
391 malloc_string(cdr_exe);
392 bkpinfo->optimal_set_size =
393 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
394 1024;
395
396 log_msg(1, "Post-param");
397 if (bkpinfo->backup_media_type == tape) {
398 if (whine_if_not_found("mt") == 1) {
399 fatal_error("Please install the mt command");
400 }
401 log_msg(1, "Tape");
402 mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
403 log_msg(1, "tmp = '%s'", tmp);
404 if (run_program_and_log_output(tmp, 3)) {
405 mr_free(tmp);
406 fatal_error
407 ("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.");
408 }
409 mr_free(tmp);
410 }
411 make_hole_for_dir(bkpinfo->scratchdir);
412 if (bkpinfo->backup_media_type == iso)
413 make_hole_for_dir(bkpinfo->isodir);
414
415 run_program_and_log_output("uname -a", 5);
416 run_program_and_log_output("cat /etc/*-release", 5);
417 run_program_and_log_output("cat /etc/*issue*", 5);
418#ifdef __FreeBSD__
419#else
420 run_program_and_log_output("cat /proc/cpuinfo", 5);
421 run_program_and_log_output
422 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
423 5);
424#endif
425
426 if (bkpinfo->use_lzo) {
427 strcpy(bkpinfo->zip_exe, "lzop");
428 strcpy(bkpinfo->zip_suffix, "lzo");
429 } else if (bkpinfo->use_gzip) {
430 strcpy(bkpinfo->zip_exe, "gzip");
431 strcpy(bkpinfo->zip_suffix, "gz");
432 } else if (bkpinfo->compression_level != 0) {
433 strcpy(bkpinfo->zip_exe, "bzip2");
434 strcpy(bkpinfo->zip_suffix, "bz2");
435 } else {
436 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
437 }
438
439// DVD
440
441 if (bkpinfo->backup_media_type == dvd) {
442 if (find_home_of_exe("growisofs")) {
443 strcpy(cdr_exe, "growisofs");
444 } // unlikely to be used
445 else {
446 fatal_error("Please install growisofs.");
447 }
448 if (bkpinfo->nonbootable_backup) {
449 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
450 } else if
451#ifdef __FreeBSD__
452 (TRUE)
453#else
454 (bkpinfo->make_cd_use_lilo)
455#endif
456#ifdef __IA64__
457 {
458 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
459 }
460#else
461 {
462 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
463 }
464#endif
465 else
466 {
467 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
468 }
469 if (bkpinfo->manual_cd_tray) {
470 paranoid_free(mondo_mkisofs_sz);
471 fatal_error("Manual CD tray + DVD not supported yet.");
472 // -m isn't supported by growisofs, BTW...
473 } else {
474 sprintf(bkpinfo->call_make_iso,
475 "%s %s -Z %s . 2>> _ERR_",
476 mondo_mkisofs_sz,
477 "", bkpinfo->media_device);
478 paranoid_free(mondo_mkisofs_sz);
479 }
480 if (getenv ("SUDO_COMMAND")) {
481 mr_asprintf(&command, "strings `which growisofs` | grep -c SUDO_COMMAND");
482 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
483 mr_free(command);
484 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
485 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
486 }
487 mr_free(command);
488 }
489 log_msg(2, "call_make_iso (DVD res) is ... %s",
490 bkpinfo->call_make_iso);
491 } // end of DVD code
492
493// CD-R or CD-RW
494 if (bkpinfo->backup_media_type == cdrw
495 || bkpinfo->backup_media_type == cdr) {
496 if (!bkpinfo->manual_cd_tray) {
497 mr_asprintf(&extra_cdrom_params, "-waiti ");
498 }
499 if (bkpinfo->backup_media_type == cdrw) {
500 mr_asprintf(&extra_cdrom_params, "blank=fast ");
501 }
502 if (extra_cdrom_params == NULL) {
503 // If not initialized earlier, do it now
504 mr_asprintf(&extra_cdrom_params, " ");
505 }
506 if (find_home_of_exe("cdrecord")) {
507 strcpy(cdr_exe, "cdrecord");
508 } else if (find_home_of_exe("dvdrecord")) {
509 strcpy(cdr_exe, "dvdrecord");
510 } else {
511 fatal_error("Please install either cdrecord or dvdrecord.");
512 }
513 if (find_home_of_exe("genisoimage")) {
514 mr_asprintf(&isofs_cmd, "%s", MONDO_GENISOIMAGE_CMD);
515 } else {
516 mr_asprintf(&isofs_cmd, "%s", MONDO_MKISOFS_CMD);
517 }
518 if (bkpinfo->nonbootable_backup) {
519 mr_asprintf(&mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
520 } else if
521#ifdef __FreeBSD__
522 (TRUE)
523#else
524 (bkpinfo->make_cd_use_lilo)
525#endif
526#ifdef __IA64__
527 {
528 mr_asprintf(&mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
529 }
530#else
531 {
532 mr_asprintf(&mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
533 }
534#endif
535 else
536 {
537 mr_asprintf(&mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX);
538 }
539 mr_free(isofs_cmd);
540
541 if (bkpinfo->manual_cd_tray) {
542 if (bkpinfo->call_before_iso[0] == '\0') {
543 sprintf(bkpinfo->call_before_iso,
544 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
545 mondo_mkisofs_sz, bkpinfo->tmpdir);
546 } else {
547 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
548 sprintf (bkpinfo->call_before_iso,
549 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
550 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
551 }
552 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
553 sprintf(bkpinfo->call_make_iso,
554 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
555 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
556 extra_cdrom_params, bkpinfo->media_device,
557 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
558 } else {
559 sprintf(bkpinfo->call_make_iso,
560 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
561 mondo_mkisofs_sz, cdr_exe,
562 (bkpinfo->please_dont_eject) ? " " : "-eject",
563 extra_cdrom_params, bkpinfo->media_device,
564 bkpinfo->cdrw_speed);
565 }
566 paranoid_free(mondo_mkisofs_sz);
567 paranoid_free(extra_cdrom_params);
568 } // end of CD code
569
570 if (bkpinfo->backup_media_type == iso) {
571
572/* Patch by Conor Daly <conor.daly@met.ie>
573 * 23-june-2004
574 * Break up isodir into iso_mnt and iso_path
575 * These will be used along with iso-dev at restore time
576 * to locate the ISOs where ever they're mounted
577 */
578
579 log_it("isodir = %s", bkpinfo->isodir);
580 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
581 bkpinfo->isodir);
582 log_it("command = %s", command);
583 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
584 mr_asprintf(&iso_dev, "%s", call_program_and_get_last_line_of_output(command));
585 mr_asprintf(&tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
586 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
587 mr_free(tmp);
588 mr_free(command);
589
590 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
591 mr_free(iso_dev);
592
593 log_it("command = %s", command);
594 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
595 mr_asprintf(&iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
596 mr_asprintf(&tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
597 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
598 mr_free(tmp);
599 mr_free(command);
600
601 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
602 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
603 if (strlen(iso_tmp) < strlen(iso_mnt)) {
604 mr_asprintf(&iso_path, "%s", "");
605 } else {
606 // If iso_mnt is only / then iso_path is the full dir
607 // (the formula bellow doesn't work in this case)
608 if (strcmp(iso_mnt, "/") == 0) {
609 mr_asprintf(&iso_path, "%s", iso_tmp);
610 // else it's a part of iso_tmp
611 } else {
612 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
613 }
614 }
615 mr_free(iso_tmp);
616 mr_free(iso_mnt);
617
618 mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
619 write_one_liner_data_file(tmp, iso_path);
620 mr_free(tmp);
621
622 log_it("isodir: %s", iso_path);
623 mr_free(iso_path);
624
625 mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
626 write_one_liner_data_file(tmp, bkpinfo->prefix);
627 mr_free(tmp);
628
629 log_it("iso-prefix: %s", bkpinfo->prefix);
630
631/* End patch */
632 } // end of iso code
633
634 if (bkpinfo->backup_media_type == netfs) {
635 strcpy(hostname, bkpinfo->netfs_mount);
636 colon = strchr(hostname, ':');
637 if (!colon) {
638 log_it("netfs mount doesn't have a colon in it");
639 retval++;
640 } else {
641 struct hostent *hent;
642
643 *colon = '\0';
644 colon = strchr(hostname, '@');
645 if (colon) {
646 *colon = '\0';
647 colon++;
648 hent = gethostbyname(colon);
649 mr_asprintf(bkpinfo->netfs_user,"%s", hostname);
650 } else {
651 hent = gethostbyname(hostname);
652 }
653 if (!hent) {
654 log_it("Can't resolve Network mount (%s): %s", hostname,
655 hstrerror(h_errno));
656 retval++;
657 } else {
658 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
659 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
660 strcpy(bkpinfo->netfs_mount, ip_address);
661 paranoid_free(ip_address);
662 }
663 }
664 store_netfs_config();
665 }
666
667 log_it("Finished processing incoming params");
668 if (retval) {
669 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
670 }
671 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
672 log_it("tmpdir or scratchdir are blank/missing");
673 retval++;
674 }
675 if (bkpinfo->include_paths[0] == '\0') {
676 // fatal_error ("Why no backup path?");
677 strcpy(bkpinfo->include_paths, "/");
678 }
679 chmod(bkpinfo->scratchdir, 0700);
680 g_backup_media_type = bkpinfo->backup_media_type;
681 paranoid_free(mtpt);
682 paranoid_free(hostname);
683 paranoid_free(cdr_exe);
684 return (retval);
685}
686
687
688
689/**
690 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
691 * Seeds the random-number generator, loads important modules, checks the sanity
692 * of the user's Linux distribution, and deletes logfile.
693 * @param bkpinfo The backup information structure. Will be initialized.
694 * @return number of errors (0 for success)
695 */
696int pre_param_configuration()
697{
698 int res = 0;
699 char *tmp = NULL;
700
701 make_hole_for_dir(MNT_CDROM);
702 assert(bkpinfo != NULL);
703 srandom((unsigned long) (time(NULL)));
704 insmod_crucial_modules();
705 if (bkpinfo->disaster_recovery) {
706 if (!does_nonMS_partition_exist()) {
707 fatal_error
708 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
709 }
710 }
711
712 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
713 run_program_and_log_output(tmp, FALSE);
714 paranoid_free(tmp);
715 if (find_and_store_mondoarchives_home(g_mondo_home)) {
716 fprintf(stderr,
717 "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");
718 res++;
719 return (res);
720 }
721 res += some_basic_system_sanity_checks();
722 if (res) {
723 log_it("Your distribution did not pass Mondo's sanity test.");
724 }
725 g_current_media_number = 1;
726 bkpinfo->postnuke_tarball[0] = bkpinfo->netfs_mount[0] = '\0';
727 return (res);
728}
729
730void setup_tmpdir(char *path) {
731
732 char *tmp = NULL;
733 char *p = NULL;
734
735 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
736 /* purging a potential old tmpdir */
737 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
738 chdir("/tmp");
739 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
740 (void)system(tmp);
741 paranoid_free(tmp);
742 }
743
744 /* Always take in account env first */
745 if (getenv("TMPDIR")) {
746 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
747 } else if (getenv("TMP")) {
748 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
749 } else if (path != NULL) {
750 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
751 } else {
752 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
753 }
754 p = mkdtemp(tmp);
755 if (p == NULL) {
756 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
757 finish(-1);
758 }
759 strcpy(bkpinfo->tmpdir,p);
760 paranoid_free(tmp);
761}
762
763
764/**
765 * Reset all fields of the backup information structure to a sensible default.
766 * @param bkpinfo The @c bkpinfo to reset.
767 */
768void reset_bkpinfo()
769{
770 int i;
771
772 log_msg(1, "Hi");
773 assert(bkpinfo != NULL);
774 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
775
776 bkpinfo->media_device[0] = '\0';
777 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
778 bkpinfo->media_size[i] = -1;
779 }
780 bkpinfo->boot_loader = '\0';
781 bkpinfo->boot_device[0] = '\0';
782 bkpinfo->zip_exe[0] = '\0';
783 bkpinfo->zip_suffix[0] = '\0';
784 bkpinfo->image_devs[0] = '\0';
785 bkpinfo->compression_level = 3;
786 bkpinfo->use_lzo = FALSE;
787 bkpinfo->use_gzip = FALSE;
788 bkpinfo->do_not_compress_these[0] = '\0';
789 bkpinfo->verify_data = FALSE;
790 bkpinfo->backup_data = FALSE;
791 bkpinfo->restore_data = FALSE;
792 bkpinfo->use_star = FALSE;
793 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
794 bkpinfo->disaster_recovery =
795 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
796 if (bkpinfo->disaster_recovery) {
797 strcpy(bkpinfo->isodir, "/");
798 } else {
799 strcpy(bkpinfo->isodir, MONDO_CACHE);
800 }
801 strcpy(bkpinfo->prefix, STD_PREFIX);
802 sensibly_set_tmpdir_and_scratchdir();
803
804 bkpinfo->optimal_set_size = 0;
805 strcpy(bkpinfo->include_paths, "/");
806 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
807 bkpinfo->include_paths[0] = '\0';
808 bkpinfo->exclude_devs = NULL;
809 bkpinfo->restore_path[0] = '\0';
810 bkpinfo->call_before_iso[0] = '\0';
811 bkpinfo->call_make_iso[0] = '\0';
812 bkpinfo->call_burn_iso[0] = '\0';
813 bkpinfo->call_after_iso[0] = '\0';
814 bkpinfo->kernel_path[0] = '\0';
815 bkpinfo->netfs_mount[0] = '\0';
816 bkpinfo->netfs_proto = NULL;
817 bkpinfo->netfs_user = NULL;
818 bkpinfo->netfs_remote_dir[0] = '\0';
819 bkpinfo->exclude_paths = NULL;
820 bkpinfo->subdir = NULL;
821 bkpinfo->postnuke_tarball[0] = '\0';
822 bkpinfo->wipe_media_first = FALSE;
823 bkpinfo->differential = 0;
824 bkpinfo->please_dont_eject = FALSE;
825 bkpinfo->cdrw_speed = 0;
826 bkpinfo->manual_cd_tray = FALSE;
827 bkpinfo->nonbootable_backup = FALSE;
828 bkpinfo->make_cd_use_lilo = FALSE;
829 bkpinfo->use_obdr = FALSE;
830 bkpinfo->restore_mode = interactive;
831}
832
833
834
835
836/**
837 * Get the remaining free space (in MB) on @p partition.
838 * @param partition The partition to check free space on (either a device or a mountpoint).
839 * @return The free space on @p partition, in MB.
840 */
841long free_space_on_given_partition(char *partition)
842{
843 char *out_sz = NULL;
844 char *command = NULL;
845 long res;
846
847 assert_string_is_neither_NULL_nor_zerolength(partition);
848
849 mr_asprintf(&command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
850 if (system(command)) {
851 mr_free(command);
852 return (-1);
853 } // partition does not exist
854 mr_free(command);
855
856 mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
857 partition);
858 mr_asprintf(&out_sz, "%s", call_program_and_get_last_line_of_output(command));
859 mr_free(command);
860
861 if (strlen(out_sz) == 0) {
862 mr_free(out_sz);
863 return (-1);
864 } // error within df, probably
865 res = atol(out_sz);
866 mr_free(out_sz);
867 return (res);
868}
869
870
871
872/**
873 * Check the user's system for sanity. Checks performed:
874 * - make sure user has enough RAM (32mb required, 64mb recommended)
875 * - make sure user has enough free space in @c /
876 * - check kernel for ramdisk support
877 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
878 * - make sure CD-ROM is unmounted
879 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
880 *
881 * @return number of problems with the user's setup (0 for success)
882 */
883int some_basic_system_sanity_checks()
884{
885
886 /*@ buffers ************ */
887 char *tmp = NULL;
888
889 /*@ int's *************** */
890 int retval = 0;
891
892 mvaddstr_and_log_it(g_currentY, 0,
893 "Checking sanity of your Linux distribution");
894#ifndef __FreeBSD__
895 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
896 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
897 log_it
898 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
899 run_program_and_log_output
900 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
901 }
902 mr_asprintf(&tmp, "%s",
903 call_program_and_get_last_line_of_output
904 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
905 if (atol(tmp) < 35000) {
906 retval++;
907 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
908 }
909 if (atol(tmp) < 66000) {
910 log_to_screen
911 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
912 }
913 mr_free(tmp);
914#endif
915
916 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
917 retval++;
918 log_to_screen
919 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
920 fatal_error
921 ("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. :)");
922 }
923#ifndef __FreeBSD__
924 if (run_program_and_log_output
925 ("grep ramdisk /proc/devices", FALSE)) {
926 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
927 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
928 if (run_program_and_log_output
929 ("grep ramdisk /proc/devices", FALSE)) {
930 if (!ask_me_yes_or_no
931 ("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?"))
932 {
933 // retval++;
934 log_to_screen
935 ("It looks as if your kernel lacks ramdisk and initrd support.");
936 log_to_screen
937 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
938 }
939 }
940 }
941#endif
942 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
943 if (system("which genisoimage > /dev/null 2> /dev/null")) {
944 retval += whine_if_not_found("mkisofs");
945 }
946 if (system("which wodim > /dev/null 2> /dev/null")) {
947 retval += whine_if_not_found("cdrecord");
948 }
949 retval += whine_if_not_found("bzip2");
950 retval += whine_if_not_found("gzip");
951 retval += whine_if_not_found("awk");
952 retval += whine_if_not_found("md5sum");
953 retval += whine_if_not_found("strings");
954 retval += whine_if_not_found("mindi");
955 retval += whine_if_not_found("buffer");
956
957 // abort if Windows partition but no ms-sys and parted
958 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
959 log_to_screen("I think you have a Windows 9x partition.");
960 retval += whine_if_not_found("parted");
961 }
962
963 if (!find_home_of_exe("cmp")) {
964 whine_if_not_found("cmp");
965 }
966 run_program_and_log_output
967 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
968 mr_asprintf(&tmp, "%s",
969 call_program_and_get_last_line_of_output
970 ("mount | grep -E \"cdr(om|w)\""));
971 if (strcmp("", tmp)) {
972 if (strstr(tmp, "autofs")) {
973 log_to_screen
974 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
975 log_to_screen
976 ("if a CD actually is inserted. If a CD is inserted, please");
977 log_to_screen("eject it. Thank you.");
978 log_it
979 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
980 } else
981 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
982 retval++;
983 mr_free(tmp);
984 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
985 }
986 }
987 mr_free(tmp);
988
989 run_program_and_log_output("cat /etc/fstab", 5);
990#ifdef __FreeBSD__
991 run_program_and_log_output("vinum printconfig", 5);
992#else
993 run_program_and_log_output("cat /etc/raidtab", 5);
994#endif
995
996 if (run_program_and_log_output("mindi -V", 1)) {
997 log_to_screen("Could not ascertain mindi's version number.");
998 log_to_screen
999 ("You have not installed Mondo and/or Mindi properly.");
1000 log_to_screen("Please uninstall and reinstall them both.");
1001 fatal_error("Please reinstall Mondo and Mindi.");
1002 }
1003 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1004 if (run_program_and_log_output(tmp, 5)) {
1005 mr_free(tmp);
1006 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1007 log_to_screen(tmp);
1008 log_to_screen
1009 ("Please run that command by hand and examine /var/log/mindi.log");
1010 log_to_screen
1011 ("for more information. Perhaps your /etc/fstab file is insane.");
1012 log_to_screen
1013 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1014 retval++;
1015 }
1016 mr_free(tmp);
1017
1018 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1019 && !does_file_exist("/etc/raidtab")) {
1020 log_to_screen
1021 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1022 create_raidtab_from_mdstat("/etc/raidtab");
1023 }
1024
1025 if (retval) {
1026 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1027 } else {
1028 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1029 }
1030 return (retval);
1031}
1032
1033/**
1034 * Retrieve the line containing @p label from the config file.
1035 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1036 * @param label What to read from the file.
1037 * @param value Where to put it.
1038 * @return 0 for success, 1 for failure.
1039 */
1040int read_cfg_var(char *config_file, char *label, char *value)
1041{
1042 /*@ buffer ****************************************************** */
1043 char *command = NULL;
1044 char *tmp = NULL;
1045
1046 /*@ end vars *************************************************** */
1047
1048 assert_string_is_neither_NULL_nor_zerolength(config_file);
1049 assert_string_is_neither_NULL_nor_zerolength(label);
1050 if (!does_file_exist(config_file)) {
1051 mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1052 config_file);
1053 log_to_screen(tmp);
1054 mr_free(tmp);
1055
1056 value[0] = '\0';
1057 return (1);
1058 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1059 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1060 return (0);
1061 } else {
1062 mr_asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1063 label, config_file);
1064 strcpy(value, call_program_and_get_last_line_of_output(command));
1065 mr_free(command);
1066
1067 if (strlen(value) == 0) {
1068 return (1);
1069 } else {
1070 return (0);
1071 }
1072 }
1073}
1074
1075
1076
1077/**
1078 * Remount @c supermount if it was unmounted earlier.
1079 */
1080void remount_supermounts_if_necessary()
1081{
1082 if (g_remount_cdrom_at_end) {
1083 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1084 }
1085 if (g_remount_floppy_at_end) {
1086 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1087 }
1088}
1089
1090/**
1091 * Unmount @c supermount if it's mounted.
1092 */
1093void unmount_supermounts_if_necessary()
1094{
1095 if (run_program_and_log_output
1096 ("mount | grep cdrom | grep super", FALSE) == 0) {
1097 g_remount_cdrom_at_end = TRUE;
1098 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1099 }
1100 if (run_program_and_log_output
1101 ("mount | grep floppy | grep super", FALSE) == 0) {
1102 g_remount_floppy_at_end = TRUE;
1103 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1104 }
1105}
1106
1107/**
1108 * Whether we had to stop autofs (if so, restart it at end).
1109 */
1110bool g_autofs_stopped = FALSE;
1111
1112/**
1113 * Path to the autofs initscript ("" if none exists).
1114 */
1115char g_autofs_exe[MAX_STR_LEN];
1116
1117/**
1118 * Autofs initscript in Xandros Linux distribution.
1119 */
1120#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1121
1122/**
1123 * Autofs initscript in most Linux distributions.
1124 */
1125#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1126
1127/**
1128 * If autofs is mounted, stop it (restart at end).
1129 */
1130void stop_autofs_if_necessary()
1131{
1132 char *tmp = NULL;
1133
1134 g_autofs_exe[0] = '\0';
1135 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1136 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1137 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1138 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1139 }
1140
1141 if (!g_autofs_exe[0]) {
1142 log_msg(3, "No autofs detected.");
1143 } else {
1144 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1145 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1146 mr_asprintf(&tmp, "%s stop", g_autofs_exe);
1147 if (run_program_and_log_output(tmp, 2)) {
1148 log_it("Failed to stop autofs - I assume it wasn't running");
1149 } else {
1150 g_autofs_stopped = TRUE;
1151 log_it("Stopped autofs OK");
1152 }
1153 mr_free(tmp);
1154 }
1155}
1156
1157/**
1158 * If autofs was stopped earlier, restart it.
1159 */
1160void restart_autofs_if_necessary()
1161{
1162 char *tmp = NULL;
1163
1164 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1165 log_msg(3, "No autofs detected.");
1166 return;
1167 }
1168 mr_asprintf(&tmp, "%s start", g_autofs_exe);
1169 if (run_program_and_log_output(tmp, 2)) {
1170 log_it("Failed to start autofs");
1171 } else {
1172 g_autofs_stopped = FALSE;
1173 log_it("Started autofs OK");
1174 }
1175 mr_free(tmp);
1176}
1177
1178
1179/**
1180 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1181 */
1182void mount_boot_if_necessary()
1183{
1184 char *tmp = NULL;
1185 char *command = NULL;
1186
1187 log_msg(1, "Started sub");
1188 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1189 g_boot_mountpt[0] = '\0';
1190 log_msg(4, "Done. Great. Seeting command to something");
1191 mr_asprintf(&command, "%s",
1192 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1193 log_msg(4, "Cool. Command = '%s'", command);
1194 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1195 mr_free(command);
1196
1197 log_msg(4, "tmp = '%s'", tmp);
1198 if (tmp[0]) {
1199 log_it("/boot is at %s according to /etc/fstab", tmp);
1200 mr_asprintf(&command, "mount | grep -Ew '/boot'");
1201 mr_free(tmp);
1202 mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1203 mr_free(command);
1204
1205 if (!strcmp(tmp,"")) {
1206 if (((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=")) != NULL)) {
1207 if (!run_program_and_log_output("mount /boot", 5)) {
1208 strcpy(g_boot_mountpt, "/boot");
1209 log_msg(1, "Mounted /boot");
1210 } else {
1211 log_it("...ignored cos it's a label or uuid :-)");
1212 }
1213 } else {
1214 mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
1215 log_msg(3, "command = %s", command);
1216 if (run_program_and_log_output(command, 5)) {
1217 strcpy(g_boot_mountpt, tmp);
1218 mr_free(tmp);
1219 mr_asprintf(&tmp,
1220 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1221 g_boot_mountpt);
1222 log_it(tmp);
1223 mr_free(tmp);
1224
1225 mr_asprintf(&tmp, "mount %s", g_boot_mountpt);
1226 if (run_program_and_log_output(tmp, 5)) {
1227 g_boot_mountpt[0] = '\0';
1228 log_msg(1, "Plan B");
1229 if (!run_program_and_log_output("mount /boot", 5)) {
1230 strcpy(g_boot_mountpt, "/boot");
1231 log_msg(1, "Plan B worked");
1232 } else {
1233 log_msg(1,
1234 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1235 }
1236 }
1237 mr_free(tmp);
1238 }
1239 mr_free(command);
1240 }
1241 }
1242 }
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 mondo-restore.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 char *tmp = NULL;
1281
1282
1283 /*@ end vars *************************************************** */
1284 assert_string_is_neither_NULL_nor_zerolength(config_file);
1285 assert_string_is_neither_NULL_nor_zerolength(label);
1286 assert(value != NULL);
1287 if (!does_file_exist(config_file)) {
1288 mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1289 config_file);
1290 log_to_screen(tmp);
1291 mr_free(tmp);
1292 return (1);
1293 }
1294 mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1295 if (does_file_exist(config_file)) {
1296 mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
1297 label, config_file, tempfile);
1298 paranoid_system(command);
1299 mr_free(command);
1300 }
1301 mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1302 paranoid_system(command);
1303 mr_free(command);
1304
1305 mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
1306 paranoid_system(command);
1307 mr_free(command);
1308 unlink(tempfile);
1309 mr_free(tempfile);
1310 return (0);
1311}
1312
1313
1314/**
1315 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1316 * information to the logfile.
1317 */
1318void standard_log_debug_msg(int debug_level, const char *szFile,
1319 const char *szFunction, int nLine,
1320 const char *fmt, ...)
1321{
1322 va_list args;
1323 int i;
1324 static int depth = 0;
1325 FILE *fout;
1326
1327 if (depth > 5) {
1328 depth--;
1329 return;
1330 }
1331 depth++;
1332
1333 if (debug_level <= g_loglevel) {
1334 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1335 return;
1336 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1337
1338 // add tabs to distinguish log levels
1339 if (debug_level > 0) {
1340 for (i = 1; i < debug_level; i++)
1341 fprintf(fout, "\t");
1342 if (getpid() == g_main_pid)
1343 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1344 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1345 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1346 else
1347 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1348 }
1349 va_start(args, fmt);
1350 vfprintf(fout, fmt, args);
1351 va_end(args);
1352
1353 // do not slow down the progran if standard debug level
1354 // must be enabled: if no flush, the log won't be up-to-date if there
1355 // is a segfault
1356 //if (g_dwDebugLevel != 1)
1357
1358 fprintf(fout, "\n");
1359 paranoid_fclose(fout);
1360 }
1361 depth--;
1362}
1363
1364/**
1365 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1366 */
1367void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1368 ...) = standard_log_debug_msg;
1369
1370
1371/**
1372 * If @p y, malloc @p x, else free @p x.
1373 * @bug This function seems orphaned. Please remove.
1374 */
1375#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1376
1377/**
1378 * Allocate or free important globals, depending on @p mal.
1379 * @param mal If TRUE, malloc; if FALSE, free.
1380 */
1381void do_libmondo_global_strings_thing(int mal)
1382{
1383 if (mal) {
1384 malloc_string(g_boot_mountpt);
1385 malloc_string(g_mondo_home);
1386 /*
1387 malloc_string(g_tmpfs_mountpt);
1388 */
1389 malloc_string(g_serial_string);
1390 malloc_string(g_magicdev_command);
1391 } else {
1392 paranoid_free(g_boot_mountpt);
1393 paranoid_free(g_mondo_home);
1394 /*
1395 paranoid_free(g_tmpfs_mountpt);
1396 */
1397 paranoid_free(g_serial_string);
1398 paranoid_free(g_magicdev_command);
1399
1400 }
1401
1402 /*
1403 char**list_of_arrays[] = {
1404 &g_boot_mountpt,
1405 &g_mondo_home,
1406 &g_tmpfs_mountpt,
1407 &g_serial_string,
1408 &g_magicdev_command,
1409 NULL};
1410
1411 char**ppcurr;
1412 int i;
1413
1414 for(i=0;list_of_arrays[i];i++)
1415 {
1416 log_msg(5, "Allocating %d", i);
1417 ppcurr = list_of_arrays[i];
1418 if (mal)
1419 { *ppcurr = malloc(MAX_STR_LEN); }
1420 else
1421 {
1422 if (*ppcurr)
1423 {
1424 free(*ppcurr);
1425 }
1426 }
1427 }
1428 log_msg(5, "Returning");
1429 */
1430}
1431
1432/**
1433 * Allocate important globals.
1434 * @see do_libmondo_global_strings_thing
1435 */
1436void malloc_libmondo_global_strings(void)
1437{
1438 do_libmondo_global_strings_thing(1);
1439}
1440
1441/**
1442 * Free important globals.
1443 * @see do_libmondo_global_strings_thing
1444 */
1445void free_libmondo_global_strings(void)
1446{
1447 do_libmondo_global_strings_thing(0);
1448}
1449
1450
1451
1452/**
1453 * Stop @c magicdev if it's running.
1454 * The command used to start it is saved in @p g_magicdev_command.
1455 */
1456void stop_magicdev_if_necessary()
1457{
1458 strcpy(g_magicdev_command,
1459 call_program_and_get_last_line_of_output
1460 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1461 if (g_magicdev_command[0]) {
1462 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1463 paranoid_system("killall magicdev");
1464 }
1465}
1466
1467
1468/**
1469 * Restart magicdev if it was stopped.
1470 */
1471void restart_magicdev_if_necessary()
1472{
1473 char *tmp = NULL;
1474
1475 if (g_magicdev_command && g_magicdev_command[0]) {
1476 mr_asprintf(&tmp, "%s &", g_magicdev_command);
1477 paranoid_system(tmp);
1478 mr_free(tmp);
1479 }
1480}
1481
1482/* @} - end of utilityGroup */
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