source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-tools.c@ 2686

Last change on this file since 2686 was 2686, checked in by Bruno Cornec, 14 years ago

r4073@localhost: bruno | 2010-09-17 09:47:49 +0200

  • Precise a test case to avoid ambiguity
  • Property svn:keywords set to Id
File size: 39.0 KB
Line 
1/*
2 $Id: libmondo-tools.c 2686 2010-09-17 08:09:06Z 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 2686 2010-09-17 08:09:06Z 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 $3"); // break to debugger
135#endif
136 break;
137 case 'E': // (E)xit
138 fatal_error("Failed assertion -- see above for details");
139 break; /* "can't get here" */
140 case 'I': // (I)gnore
141 break;
142 /* These next two work as follows:
143 the `default' catches the user's invalid choice and says so;
144 the '\n' catches the newline on the end and prints the prompt again.
145 */
146 case '\n':
147 printf
148 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
149 break;
150 default:
151 is_valid = FALSE;
152 printf("Invalid choice.\n");
153 break;
154 }
155 } while (!is_valid);
156
157 if (ignoring_assertions) {
158 log_it("Ignoring ALL assertions from now on.");
159 } else {
160 log_it("Ignoring assertion: %s", exp);
161 }
162
163 getchar(); // skip \n
164
165#ifndef _XWIN
166 if (!g_text_mode)
167 newtResume();
168#endif
169}
170
171/**
172 * Clean's up users' KDE desktops.
173 * @bug Details about this function are unknown.
174 */
175void clean_up_KDE_desktop_if_necessary(void)
176{
177 char *tmp;
178
179 malloc_string(tmp);
180 strcpy(tmp,
181 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
182file=$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/**
336 * Finish configuring the backup information structure. Call this function
337 * to set the parameters that depend on those that can be given on the command
338 * line.
339 *
340 * @param bkpinfo The backup information structure. Fields modified/used:
341 * - Used: @c bkpinfo->backup_data
342 * - Used: @c bkpinfo->backup_media_type
343 * - Used: @c bkpinfo->cdrw_speed
344 * - Used: @c bkpinfo->compression_level
345 * - Used: @c bkpinfo->include_paths
346 * - Used: @c bkpinfo->prefix
347 * - Used: @c bkpinfo->isodir
348 * - Used: @c bkpinfo->manual_cd_tray
349 * - Used: @c bkpinfo->make_cd_use_lilo
350 * - Used: @c bkpinfo->media_device
351 * - Used: @c bkpinfo->netfs_mount
352 * - Used: @c bkpinfo->nonbootable_backup
353 * - Used: @c bkpinfo->scratchdir
354 * - Used: @c bkpinfo->tmpdir
355 * - Used: @c bkpinfo->use_lzo
356 * - Modified: @c bkpinfo->call_before_iso
357 * - Modified: @c bkpinfo->call_make_iso
358 * - Modified: @c bkpinfo->optimal_set_size
359 * - Modified: @c bkpinfo->zip_exe
360 * - Modified: @c bkpinfo->zip_suffix
361 *
362 * @return number of errors, or 0 for success.
363 * @note Also creates directories that are specified in the @c bkpinfo structure but
364 * do not exist.
365 */
366int post_param_configuration()
367{
368 char *extra_cdrom_params = NULL;
369 char *mondo_mkisofs_sz = NULL;
370 char *command = NULL;
371 char *mtpt;
372 char *hostname;
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 log_msg(1, "Tape");
399 mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
400 log_msg(1, "tmp = '%s'", tmp);
401 if (run_program_and_log_output(tmp, 3)) {
402 mr_free(tmp);
403 fatal_error
404 ("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.");
405 }
406 mr_free(tmp);
407 }
408 make_hole_for_dir(bkpinfo->scratchdir);
409 if (bkpinfo->backup_media_type == iso)
410 make_hole_for_dir(bkpinfo->isodir);
411
412 run_program_and_log_output("uname -a", 5);
413 run_program_and_log_output("cat /etc/*-release", 5);
414 run_program_and_log_output("cat /etc/*issue*", 5);
415#ifdef __FreeBSD__
416#else
417 run_program_and_log_output("cat /proc/cpuinfo", 5);
418 run_program_and_log_output
419 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
420 5);
421#endif
422
423 if (bkpinfo->use_lzo) {
424 strcpy(bkpinfo->zip_exe, "lzop");
425 strcpy(bkpinfo->zip_suffix, "lzo");
426 } else if (bkpinfo->use_gzip) {
427 strcpy(bkpinfo->zip_exe, "gzip");
428 strcpy(bkpinfo->zip_suffix, "gz");
429 } else if (bkpinfo->compression_level != 0) {
430 strcpy(bkpinfo->zip_exe, "bzip2");
431 strcpy(bkpinfo->zip_suffix, "bz2");
432 } else {
433 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
434 }
435
436// DVD
437
438 if (bkpinfo->backup_media_type == dvd) {
439 if (find_home_of_exe("growisofs")) {
440 strcpy(cdr_exe, "growisofs");
441 } // unlikely to be used
442 else {
443 fatal_error("Please install growisofs.");
444 }
445 if (bkpinfo->nonbootable_backup) {
446 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
447 } else if
448#ifdef __FreeBSD__
449 (TRUE)
450#else
451 (bkpinfo->make_cd_use_lilo)
452#endif
453#ifdef __IA64__
454 {
455 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
456 }
457#else
458 {
459 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
460 }
461#endif
462 else
463 {
464 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
465 }
466 if (bkpinfo->manual_cd_tray) {
467 paranoid_free(mondo_mkisofs_sz);
468 fatal_error("Manual CD tray + DVD not supported yet.");
469 // -m isn't supported by growisofs, BTW...
470 } else {
471 sprintf(bkpinfo->call_make_iso,
472 "%s %s -Z %s . 2>> _ERR_",
473 mondo_mkisofs_sz,
474 "", bkpinfo->media_device);
475 paranoid_free(mondo_mkisofs_sz);
476 }
477 if (getenv ("SUDO_COMMAND")) {
478 mr_asprintf(&command, "strings `which growisofs` | grep -c SUDO_COMMAND");
479 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
480 mr_free(command);
481 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
482 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
483 }
484 mr_free(command);
485 }
486 log_msg(2, "call_make_iso (DVD res) is ... %s",
487 bkpinfo->call_make_iso);
488 } // end of DVD code
489
490// CD-R or CD-RW
491 if (bkpinfo->backup_media_type == cdrw
492 || bkpinfo->backup_media_type == cdr) {
493 if (!bkpinfo->manual_cd_tray) {
494 mr_asprintf(&extra_cdrom_params, "-waiti ");
495 }
496 if (bkpinfo->backup_media_type == cdrw) {
497 mr_asprintf(&extra_cdrom_params, "blank=fast ");
498 }
499 if (extra_cdrom_params == NULL) {
500 // If not initialized earlier, do it now
501 mr_asprintf(&extra_cdrom_params, " ");
502 }
503 if (find_home_of_exe("cdrecord")) {
504 strcpy(cdr_exe, "cdrecord");
505 } else if (find_home_of_exe("dvdrecord")) {
506 strcpy(cdr_exe, "dvdrecord");
507 } else {
508 fatal_error("Please install either cdrecord or dvdrecord.");
509 }
510 if (bkpinfo->nonbootable_backup) {
511 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS);
512 } else if
513#ifdef __FreeBSD__
514 (TRUE)
515#else
516 (bkpinfo->make_cd_use_lilo)
517#endif
518#ifdef __IA64__
519 {
520 mr_asprintf(&mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_ELILO);
521 }
522#else
523 {
524 mr_asprintf(&mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_LILO);
525 }
526#endif
527 else
528 {
529 mr_asprintf(&mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_SYSLINUX);
530 }
531 if (bkpinfo->manual_cd_tray) {
532 if (bkpinfo->call_before_iso[0] == '\0') {
533 sprintf(bkpinfo->call_before_iso,
534 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
535 mondo_mkisofs_sz, bkpinfo->tmpdir);
536 } else {
537 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
538 sprintf (bkpinfo->call_before_iso,
539 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
540 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
541 }
542 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
543 sprintf(bkpinfo->call_make_iso,
544 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
545 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
546 extra_cdrom_params, bkpinfo->media_device,
547 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
548 } else {
549 sprintf(bkpinfo->call_make_iso,
550 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
551 mondo_mkisofs_sz, cdr_exe,
552 (bkpinfo->please_dont_eject) ? " " : "-eject",
553 extra_cdrom_params, bkpinfo->media_device,
554 bkpinfo->cdrw_speed);
555 }
556 paranoid_free(mondo_mkisofs_sz);
557 paranoid_free(extra_cdrom_params);
558 } // end of CD code
559
560 if (bkpinfo->backup_media_type == iso) {
561
562/* Patch by Conor Daly <conor.daly@met.ie>
563 * 23-june-2004
564 * Break up isodir into iso_mnt and iso_path
565 * These will be used along with iso-dev at restore time
566 * to locate the ISOs where ever they're mounted
567 */
568
569 log_it("isodir = %s", bkpinfo->isodir);
570 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
571 bkpinfo->isodir);
572 log_it("command = %s", command);
573 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
574 mr_asprintf(&iso_dev, "%s", call_program_and_get_last_line_of_output(command));
575 mr_asprintf(&tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
576 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
577 mr_free(tmp);
578 mr_free(command);
579
580 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
581 mr_free(iso_dev);
582
583 log_it("command = %s", command);
584 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
585 mr_asprintf(&iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
586 mr_asprintf(&tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
587 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
588 mr_free(tmp);
589 mr_free(command);
590
591 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
592 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
593 if (strlen(iso_tmp) < strlen(iso_mnt)) {
594 mr_asprintf(&iso_path, "%s", "");
595 } else {
596 // If iso_mnt is only / then iso_path is the full dir
597 // (the formula bellow doesn't work in this case)
598 if (strcmp(iso_mnt, "/") == 0) {
599 mr_asprintf(&iso_path, "%s", iso_tmp);
600 // else it's a part of iso_tmp
601 } else {
602 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
603 }
604 }
605 mr_free(iso_tmp);
606 mr_free(iso_mnt);
607
608 mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
609 write_one_liner_data_file(tmp, iso_path);
610 mr_free(tmp);
611
612 log_it("isodir: %s", iso_path);
613 mr_free(iso_path);
614
615 mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
616 write_one_liner_data_file(tmp, bkpinfo->prefix);
617 mr_free(tmp);
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 strcpy(hostname, bkpinfo->netfs_mount);
626 colon = strchr(hostname, ':');
627 if (!colon) {
628 log_it("netfs mount doesn't have a colon in it");
629 retval++;
630 } else {
631 struct hostent *hent;
632
633 *colon = '\0';
634 hent = gethostbyname(hostname);
635 if (!hent) {
636 log_it("Can't resolve Network mount (%s): %s", hostname,
637 hstrerror(h_errno));
638 retval++;
639 } else {
640 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
641 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
642 strcpy(bkpinfo->netfs_mount, ip_address);
643 paranoid_free(ip_address);
644 }
645 }
646 store_netfs_config();
647 }
648
649 log_it("Finished processing incoming params");
650 if (retval) {
651 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
652 }
653 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
654 log_it("tmpdir or scratchdir are blank/missing");
655 retval++;
656 }
657 if (bkpinfo->include_paths[0] == '\0') {
658 // fatal_error ("Why no backup path?");
659 strcpy(bkpinfo->include_paths, "/");
660 }
661 chmod(bkpinfo->scratchdir, 0700);
662 g_backup_media_type = bkpinfo->backup_media_type;
663 paranoid_free(mtpt);
664 paranoid_free(hostname);
665 paranoid_free(cdr_exe);
666 return (retval);
667}
668
669
670
671/**
672 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
673 * Seeds the random-number generator, loads important modules, checks the sanity
674 * of the user's Linux distribution, and deletes logfile.
675 * @param bkpinfo The backup information structure. Will be initialized.
676 * @return number of errors (0 for success)
677 */
678int pre_param_configuration()
679{
680 int res = 0;
681 char *tmp = NULL;
682
683 make_hole_for_dir(MNT_CDROM);
684 assert(bkpinfo != NULL);
685 srandom((unsigned long) (time(NULL)));
686 insmod_crucial_modules();
687 if (bkpinfo->disaster_recovery) {
688 if (!does_nonMS_partition_exist()) {
689 fatal_error
690 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
691 }
692 }
693
694 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
695 run_program_and_log_output(tmp, FALSE);
696 paranoid_free(tmp);
697 if (find_and_store_mondoarchives_home(g_mondo_home)) {
698 fprintf(stderr,
699 "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");
700 res++;
701 return (res);
702 }
703 res += some_basic_system_sanity_checks();
704 if (res) {
705 log_it("Your distribution did not pass Mondo's sanity test.");
706 }
707 g_current_media_number = 1;
708 bkpinfo->postnuke_tarball[0] = bkpinfo->netfs_mount[0] = '\0';
709 return (res);
710}
711
712void setup_tmpdir(char *path) {
713
714 char *tmp = NULL;
715 char *p = NULL;
716
717 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
718 /* purging a potential old tmpdir */
719 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
720 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
721 (void)system(tmp);
722 paranoid_free(tmp);
723 }
724
725 /* Always take in account env first */
726 if (getenv("TMPDIR")) {
727 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
728 } else if (getenv("TMP")) {
729 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
730 } else if (path != NULL) {
731 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
732 } else {
733 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
734 }
735 p = mkdtemp(tmp);
736 if (p == NULL) {
737 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
738 finish(-1);
739 }
740 strcpy(bkpinfo->tmpdir,p);
741 paranoid_free(tmp);
742}
743
744
745/**
746 * Reset all fields of the backup information structure to a sensible default.
747 * @param bkpinfo The @c bkpinfo to reset.
748 */
749void reset_bkpinfo()
750{
751 int i;
752
753 log_msg(1, "Hi");
754 assert(bkpinfo != NULL);
755 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
756
757 bkpinfo->media_device[0] = '\0';
758 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
759 bkpinfo->media_size[i] = -1;
760 }
761 bkpinfo->boot_loader = '\0';
762 bkpinfo->boot_device[0] = '\0';
763 bkpinfo->zip_exe[0] = '\0';
764 bkpinfo->zip_suffix[0] = '\0';
765 bkpinfo->image_devs[0] = '\0';
766 bkpinfo->compression_level = 3;
767 bkpinfo->use_lzo = FALSE;
768 bkpinfo->use_gzip = FALSE;
769 bkpinfo->do_not_compress_these[0] = '\0';
770 bkpinfo->verify_data = FALSE;
771 bkpinfo->backup_data = FALSE;
772 bkpinfo->restore_data = FALSE;
773 bkpinfo->use_star = FALSE;
774 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
775 bkpinfo->disaster_recovery =
776 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
777 if (bkpinfo->disaster_recovery) {
778 strcpy(bkpinfo->isodir, "/");
779 } else {
780 strcpy(bkpinfo->isodir, MONDO_CACHE);
781 }
782 strcpy(bkpinfo->prefix, STD_PREFIX);
783 sensibly_set_tmpdir_and_scratchdir();
784
785 bkpinfo->optimal_set_size = 0;
786 strcpy(bkpinfo->include_paths, "/");
787 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
788 bkpinfo->include_paths[0] = '\0';
789 bkpinfo->exclude_paths[0] = '\0';
790 bkpinfo->exclude_devs = NULL;
791 bkpinfo->restore_path[0] = '\0';
792 bkpinfo->call_before_iso[0] = '\0';
793 bkpinfo->call_make_iso[0] = '\0';
794 bkpinfo->call_burn_iso[0] = '\0';
795 bkpinfo->call_after_iso[0] = '\0';
796 bkpinfo->kernel_path[0] = '\0';
797 bkpinfo->netfs_mount[0] = '\0';
798 bkpinfo->netfs_proto = NULL;
799 bkpinfo->netfs_user = NULL;
800 bkpinfo->netfs_remote_dir[0] = '\0';
801 bkpinfo->postnuke_tarball[0] = '\0';
802 bkpinfo->wipe_media_first = FALSE;
803 bkpinfo->differential = 0;
804 bkpinfo->please_dont_eject = FALSE;
805 bkpinfo->cdrw_speed = 0;
806 bkpinfo->manual_cd_tray = FALSE;
807 bkpinfo->nonbootable_backup = FALSE;
808 bkpinfo->make_cd_use_lilo = FALSE;
809 bkpinfo->use_obdr = FALSE;
810 bkpinfo->restore_mode = interactive;
811}
812
813
814
815
816/**
817 * Get the remaining free space (in MB) on @p partition.
818 * @param partition The partition to check free space on (either a device or a mountpoint).
819 * @return The free space on @p partition, in MB.
820 */
821long free_space_on_given_partition(char *partition)
822{
823 char *out_sz = NULL;
824 char *command = NULL;
825 long res;
826
827 assert_string_is_neither_NULL_nor_zerolength(partition);
828
829 mr_asprintf(&command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
830 if (system(command)) {
831 mr_free(command);
832 return (-1);
833 } // partition does not exist
834 mr_free(command);
835
836 mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
837 partition);
838 mr_asprintf(&out_sz, "%s", call_program_and_get_last_line_of_output(command));
839 mr_free(command);
840
841 if (strlen(out_sz) == 0) {
842 mr_free(out_sz);
843 return (-1);
844 } // error within df, probably
845 res = atol(out_sz);
846 mr_free(out_sz);
847 return (res);
848}
849
850
851
852/**
853 * Check the user's system for sanity. Checks performed:
854 * - make sure user has enough RAM (32mb required, 64mb recommended)
855 * - make sure user has enough free space in @c /
856 * - check kernel for ramdisk support
857 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
858 * - make sure CD-ROM is unmounted
859 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
860 *
861 * @return number of problems with the user's setup (0 for success)
862 */
863int some_basic_system_sanity_checks()
864{
865
866 /*@ buffers ************ */
867 char *tmp = NULL;
868
869 /*@ int's *************** */
870 int retval = 0;
871
872 mvaddstr_and_log_it(g_currentY, 0,
873 "Checking sanity of your Linux distribution");
874#ifndef __FreeBSD__
875 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
876 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
877 log_it
878 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
879 run_program_and_log_output
880 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
881 }
882 mr_asprintf(&tmp, "%s",
883 call_program_and_get_last_line_of_output
884 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
885 if (atol(tmp) < 35000) {
886 retval++;
887 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
888 }
889 if (atol(tmp) < 66000) {
890 log_to_screen
891 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
892 }
893 mr_free(tmp);
894#endif
895
896 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
897 retval++;
898 log_to_screen
899 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
900 fatal_error
901 ("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. :)");
902 }
903#ifndef __FreeBSD__
904 if (run_program_and_log_output
905 ("grep ramdisk /proc/devices", FALSE)) {
906 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
907 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
908 if (run_program_and_log_output
909 ("grep ramdisk /proc/devices", FALSE)) {
910 if (!ask_me_yes_or_no
911 ("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?"))
912 {
913 // retval++;
914 log_to_screen
915 ("It looks as if your kernel lacks ramdisk and initrd support.");
916 log_to_screen
917 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
918 }
919 }
920 }
921#endif
922 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
923 retval += whine_if_not_found("mkisofs");
924 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
925 retval += whine_if_not_found("cdrecord");
926 }
927 retval += whine_if_not_found("bzip2");
928 retval += whine_if_not_found("gzip");
929 retval += whine_if_not_found("awk");
930 retval += whine_if_not_found("md5sum");
931 retval += whine_if_not_found("strings");
932 retval += whine_if_not_found("mindi");
933 retval += whine_if_not_found("buffer");
934
935 // abort if Windows partition but no ms-sys and parted
936 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
937 log_to_screen("I think you have a Windows 9x partition.");
938 retval += whine_if_not_found("parted");
939 }
940
941 if (!find_home_of_exe("cmp")) {
942 whine_if_not_found("cmp");
943 }
944 run_program_and_log_output
945 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
946 mr_asprintf(&tmp, "%s",
947 call_program_and_get_last_line_of_output
948 ("mount | grep -E \"cdr(om|w)\""));
949 if (strcmp("", tmp)) {
950 if (strstr(tmp, "autofs")) {
951 log_to_screen
952 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
953 log_to_screen
954 ("if a CD actually is inserted. If a CD is inserted, please");
955 log_to_screen("eject it. Thank you.");
956 log_it
957 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
958 } else
959 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
960 retval++;
961 mr_free(tmp);
962 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
963 }
964 }
965 mr_free(tmp);
966
967 run_program_and_log_output("cat /etc/fstab", 5);
968#ifdef __FreeBSD__
969 run_program_and_log_output("vinum printconfig", 5);
970#else
971 run_program_and_log_output("cat /etc/raidtab", 5);
972#endif
973
974 if (run_program_and_log_output("mindi -V", 1)) {
975 log_to_screen("Could not ascertain mindi's version number.");
976 log_to_screen
977 ("You have not installed Mondo and/or Mindi properly.");
978 log_to_screen("Please uninstall and reinstall them both.");
979 fatal_error("Please reinstall Mondo and Mindi.");
980 }
981 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
982 if (run_program_and_log_output(tmp, 5)) {
983 mr_free(tmp);
984 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
985 log_to_screen(tmp);
986 log_to_screen
987 ("Please run that command by hand and examine /var/log/mindi.log");
988 log_to_screen
989 ("for more information. Perhaps your /etc/fstab file is insane.");
990 log_to_screen
991 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
992 retval++;
993 }
994 mr_free(tmp);
995
996 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
997 && !does_file_exist("/etc/raidtab")) {
998 log_to_screen
999 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1000 create_raidtab_from_mdstat("/etc/raidtab");
1001 }
1002
1003 if (retval) {
1004 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1005 } else {
1006 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1007 }
1008 return (retval);
1009}
1010
1011/**
1012 * Retrieve the line containing @p label from the config file.
1013 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1014 * @param label What to read from the file.
1015 * @param value Where to put it.
1016 * @return 0 for success, 1 for failure.
1017 */
1018int read_cfg_var(char *config_file, char *label, char *value)
1019{
1020 /*@ buffer ****************************************************** */
1021 char *command = NULL;
1022 char *tmp = NULL;
1023
1024 /*@ end vars *************************************************** */
1025
1026 assert_string_is_neither_NULL_nor_zerolength(config_file);
1027 assert_string_is_neither_NULL_nor_zerolength(label);
1028 if (!does_file_exist(config_file)) {
1029 mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1030 config_file);
1031 log_to_screen(tmp);
1032 mr_free(tmp);
1033
1034 value[0] = '\0';
1035 return (1);
1036 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1037 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1038 return (0);
1039 } else {
1040 mr_asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1041 label, config_file);
1042 strcpy(value, call_program_and_get_last_line_of_output(command));
1043 mr_free(command);
1044
1045 if (strlen(value) == 0) {
1046 return (1);
1047 } else {
1048 return (0);
1049 }
1050 }
1051}
1052
1053
1054
1055/**
1056 * Remount @c supermount if it was unmounted earlier.
1057 */
1058void remount_supermounts_if_necessary()
1059{
1060 if (g_remount_cdrom_at_end) {
1061 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1062 }
1063 if (g_remount_floppy_at_end) {
1064 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1065 }
1066}
1067
1068/**
1069 * Unmount @c supermount if it's mounted.
1070 */
1071void unmount_supermounts_if_necessary()
1072{
1073 if (run_program_and_log_output
1074 ("mount | grep cdrom | grep super", FALSE) == 0) {
1075 g_remount_cdrom_at_end = TRUE;
1076 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1077 }
1078 if (run_program_and_log_output
1079 ("mount | grep floppy | grep super", FALSE) == 0) {
1080 g_remount_floppy_at_end = TRUE;
1081 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1082 }
1083}
1084
1085/**
1086 * Whether we had to stop autofs (if so, restart it at end).
1087 */
1088bool g_autofs_stopped = FALSE;
1089
1090/**
1091 * Path to the autofs initscript ("" if none exists).
1092 */
1093char g_autofs_exe[MAX_STR_LEN];
1094
1095/**
1096 * Autofs initscript in Xandros Linux distribution.
1097 */
1098#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1099
1100/**
1101 * Autofs initscript in most Linux distributions.
1102 */
1103#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1104
1105/**
1106 * If autofs is mounted, stop it (restart at end).
1107 */
1108void stop_autofs_if_necessary()
1109{
1110 char *tmp = NULL;
1111
1112 g_autofs_exe[0] = '\0';
1113 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1114 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1115 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1116 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1117 }
1118
1119 if (!g_autofs_exe[0]) {
1120 log_msg(3, "No autofs detected.");
1121 } else {
1122 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1123 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1124 mr_asprintf(&tmp, "%s stop", g_autofs_exe);
1125 if (run_program_and_log_output(tmp, 2)) {
1126 log_it("Failed to stop autofs - I assume it wasn't running");
1127 } else {
1128 g_autofs_stopped = TRUE;
1129 log_it("Stopped autofs OK");
1130 }
1131 mr_free(tmp);
1132 }
1133}
1134
1135/**
1136 * If autofs was stopped earlier, restart it.
1137 */
1138void restart_autofs_if_necessary()
1139{
1140 char *tmp = NULL;
1141
1142 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1143 log_msg(3, "No autofs detected.");
1144 return;
1145 }
1146 mr_asprintf(&tmp, "%s start", g_autofs_exe);
1147 if (run_program_and_log_output(tmp, 2)) {
1148 log_it("Failed to start autofs");
1149 } else {
1150 g_autofs_stopped = FALSE;
1151 log_it("Started autofs OK");
1152 }
1153 mr_free(tmp);
1154}
1155
1156
1157/**
1158 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1159 */
1160void mount_boot_if_necessary()
1161{
1162 char *tmp = NULL;
1163 char *command = NULL;
1164
1165 log_msg(1, "Started sub");
1166 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1167 g_boot_mountpt[0] = '\0';
1168 log_msg(4, "Done. Great. Seeting command to something");
1169 mr_asprintf(&command, "%s",
1170 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1171 log_msg(4, "Cool. Command = '%s'", command);
1172 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1173 mr_free(command);
1174
1175 log_msg(4, "tmp = '%s'", tmp);
1176 if (tmp[0]) {
1177 log_it("/boot is at %s according to /etc/fstab", tmp);
1178 mr_asprintf(&command, "mount | grep -Ew '/boot'");
1179 mr_free(tmp);
1180 mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1181 mr_free(command);
1182
1183 if (!strcmp(tmp,"")) {
1184 if (((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=")) != NULL)) {
1185 if (!run_program_and_log_output("mount /boot", 5)) {
1186 strcpy(g_boot_mountpt, "/boot");
1187 log_msg(1, "Mounted /boot");
1188 } else {
1189 log_it("...ignored cos it's a label or uuid :-)");
1190 }
1191 } else {
1192 mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
1193 log_msg(3, "command = %s", command);
1194 if (run_program_and_log_output(command, 5)) {
1195 strcpy(g_boot_mountpt, tmp);
1196 mr_free(tmp);
1197 mr_asprintf(&tmp,
1198 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1199 g_boot_mountpt);
1200 log_it(tmp);
1201 mr_free(tmp);
1202
1203 mr_asprintf(&tmp, "mount %s", g_boot_mountpt);
1204 if (run_program_and_log_output(tmp, 5)) {
1205 g_boot_mountpt[0] = '\0';
1206 log_msg(1, "Plan B");
1207 if (!run_program_and_log_output("mount /boot", 5)) {
1208 strcpy(g_boot_mountpt, "/boot");
1209 log_msg(1, "Plan B worked");
1210 } else {
1211 log_msg(1,
1212 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1213 }
1214 }
1215 mr_free(tmp);
1216 }
1217 mr_free(command);
1218 }
1219 }
1220 }
1221 log_msg(1, "Ended sub");
1222}
1223
1224
1225/**
1226 * If we mounted /boot earlier, unmount it.
1227 */
1228void unmount_boot_if_necessary()
1229{
1230 char *tmp = NULL;
1231
1232 log_msg(3, "starting");
1233 if (g_boot_mountpt[0]) {
1234 mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
1235 if (run_program_and_log_output(tmp, 5)) {
1236 log_it("WARNING - unable to unmount /boot");
1237 }
1238 mr_free(tmp);
1239 }
1240 log_msg(3, "leaving");
1241}
1242
1243
1244
1245/**
1246 * Write a line to a configuration file. Writes a line of the form,
1247 * @c label @c value.
1248 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1249 * @param label What to call this bit of data you're writing.
1250 * @param value The bit of data you're writing.
1251 * @return 0 for success, 1 for failure.
1252 */
1253int write_cfg_var(char *config_file, char *label, char *value)
1254{
1255 /*@ buffers ***************************************************** */
1256 char *command = NULL;
1257 char *tempfile = NULL;
1258 char *tmp = NULL;
1259
1260
1261 /*@ end vars *************************************************** */
1262 assert_string_is_neither_NULL_nor_zerolength(config_file);
1263 assert_string_is_neither_NULL_nor_zerolength(label);
1264 assert(value != NULL);
1265 if (!does_file_exist(config_file)) {
1266 mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1267 config_file);
1268 log_to_screen(tmp);
1269 mr_free(tmp);
1270 return (1);
1271 }
1272 mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1273 if (does_file_exist(config_file)) {
1274 mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
1275 label, config_file, tempfile);
1276 paranoid_system(command);
1277 mr_free(command);
1278 }
1279 mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1280 paranoid_system(command);
1281 mr_free(command);
1282
1283 mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
1284 paranoid_system(command);
1285 mr_free(command);
1286 unlink(tempfile);
1287 mr_free(tempfile);
1288 return (0);
1289}
1290
1291
1292/**
1293 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1294 * information to the logfile.
1295 */
1296void standard_log_debug_msg(int debug_level, const char *szFile,
1297 const char *szFunction, int nLine,
1298 const char *fmt, ...)
1299{
1300 va_list args;
1301 int i;
1302 static int depth = 0;
1303 FILE *fout;
1304
1305 if (depth > 5) {
1306 depth--;
1307 return;
1308 }
1309 depth++;
1310
1311 if (debug_level <= g_loglevel) {
1312 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1313 return;
1314 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1315
1316 // add tabs to distinguish log levels
1317 if (debug_level > 0) {
1318 for (i = 1; i < debug_level; i++)
1319 fprintf(fout, "\t");
1320 if (getpid() == g_main_pid)
1321 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1322 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1323 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1324 else
1325 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1326 }
1327 va_start(args, fmt);
1328 vfprintf(fout, fmt, args);
1329 va_end(args);
1330
1331 // do not slow down the progran if standard debug level
1332 // must be enabled: if no flush, the log won't be up-to-date if there
1333 // is a segfault
1334 //if (g_dwDebugLevel != 1)
1335
1336 fprintf(fout, "\n");
1337 paranoid_fclose(fout);
1338 }
1339 depth--;
1340}
1341
1342/**
1343 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1344 */
1345void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1346 ...) = standard_log_debug_msg;
1347
1348
1349/**
1350 * If @p y, malloc @p x, else free @p x.
1351 * @bug This function seems orphaned. Please remove.
1352 */
1353#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1354
1355/**
1356 * Allocate or free important globals, depending on @p mal.
1357 * @param mal If TRUE, malloc; if FALSE, free.
1358 */
1359void do_libmondo_global_strings_thing(int mal)
1360{
1361 if (mal) {
1362 malloc_string(g_boot_mountpt);
1363 malloc_string(g_mondo_home);
1364 /*
1365 malloc_string(g_tmpfs_mountpt);
1366 */
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 /*
1373 paranoid_free(g_tmpfs_mountpt);
1374 */
1375 paranoid_free(g_serial_string);
1376 paranoid_free(g_magicdev_command);
1377
1378 }
1379
1380 /*
1381 char**list_of_arrays[] = {
1382 &g_boot_mountpt,
1383 &g_mondo_home,
1384 &g_tmpfs_mountpt,
1385 &g_serial_string,
1386 &g_magicdev_command,
1387 NULL};
1388
1389 char**ppcurr;
1390 int i;
1391
1392 for(i=0;list_of_arrays[i];i++)
1393 {
1394 log_msg(5, "Allocating %d", i);
1395 ppcurr = list_of_arrays[i];
1396 if (mal)
1397 { *ppcurr = malloc(MAX_STR_LEN); }
1398 else
1399 {
1400 if (*ppcurr)
1401 {
1402 free(*ppcurr);
1403 }
1404 }
1405 }
1406 log_msg(5, "Returning");
1407 */
1408}
1409
1410/**
1411 * Allocate important globals.
1412 * @see do_libmondo_global_strings_thing
1413 */
1414void malloc_libmondo_global_strings(void)
1415{
1416 do_libmondo_global_strings_thing(1);
1417}
1418
1419/**
1420 * Free important globals.
1421 * @see do_libmondo_global_strings_thing
1422 */
1423void free_libmondo_global_strings(void)
1424{
1425 do_libmondo_global_strings_thing(0);
1426}
1427
1428
1429
1430/**
1431 * Stop @c magicdev if it's running.
1432 * The command used to start it is saved in @p g_magicdev_command.
1433 */
1434void stop_magicdev_if_necessary()
1435{
1436 strcpy(g_magicdev_command,
1437 call_program_and_get_last_line_of_output
1438 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1439 if (g_magicdev_command[0]) {
1440 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1441 paranoid_system("killall magicdev");
1442 }
1443}
1444
1445
1446/**
1447 * Restart magicdev if it was stopped.
1448 */
1449void restart_magicdev_if_necessary()
1450{
1451 char *tmp = NULL;
1452
1453 if (g_magicdev_command && g_magicdev_command[0]) {
1454 mr_asprintf(&tmp, "%s &", g_magicdev_command);
1455 paranoid_system(tmp);
1456 mr_free(tmp);
1457 }
1458}
1459
1460/* @} - end of utilityGroup */
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