source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-tools.c@ 2627

Last change on this file since 2627 was 2627, checked in by Bruno Cornec, 14 years ago

r3946@localhost: bruno | 2010-05-04 19:17:51 +0200

  • Solves an issue with usage of -V option in mkiofs wrongly placed
  • Property svn:keywords set to Id
File size: 38.9 KB
Line 
1/*
2 $Id: libmondo-tools.c 2627 2010-05-04 19:59:19Z 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 2627 2010-05-04 19:59:19Z 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, "Foo");
397 if (bkpinfo->backup_media_type == tape) {
398 log_msg(1, "Bar");
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 (find_home_of_exe("cdrecord")) {
500 strcpy(cdr_exe, "cdrecord");
501 } else if (find_home_of_exe("dvdrecord")) {
502 strcpy(cdr_exe, "dvdrecord");
503 } else {
504 fatal_error("Please install either cdrecord or dvdrecord.");
505 }
506 if (bkpinfo->nonbootable_backup) {
507 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS);
508 } else if
509#ifdef __FreeBSD__
510 (TRUE)
511#else
512 (bkpinfo->make_cd_use_lilo)
513#endif
514#ifdef __IA64__
515 {
516 mr_asprintf(&mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_ELILO);
517 }
518#else
519 {
520 mr_asprintf(&mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_LILO);
521 }
522#endif
523 else
524 {
525 mr_asprintf(&mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_SYSLINUX);
526 }
527 if (bkpinfo->manual_cd_tray) {
528 if (bkpinfo->call_before_iso[0] == '\0') {
529 sprintf(bkpinfo->call_before_iso,
530 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
531 mondo_mkisofs_sz, bkpinfo->tmpdir);
532 } else {
533 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
534 sprintf (bkpinfo->call_before_iso,
535 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
536 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
537 }
538 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
539 sprintf(bkpinfo->call_make_iso,
540 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
541 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
542 extra_cdrom_params, bkpinfo->media_device,
543 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
544 } else {
545 sprintf(bkpinfo->call_make_iso,
546 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
547 mondo_mkisofs_sz, cdr_exe,
548 (bkpinfo->please_dont_eject) ? " " : "-eject",
549 extra_cdrom_params, bkpinfo->media_device,
550 bkpinfo->cdrw_speed);
551 }
552 paranoid_free(mondo_mkisofs_sz);
553 paranoid_free(extra_cdrom_params);
554 } // end of CD code
555
556 if (bkpinfo->backup_media_type == iso) {
557
558/* Patch by Conor Daly <conor.daly@met.ie>
559 * 23-june-2004
560 * Break up isodir into iso_mnt and iso_path
561 * These will be used along with iso-dev at restore time
562 * to locate the ISOs where ever they're mounted
563 */
564
565 log_it("isodir = %s", bkpinfo->isodir);
566 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
567 bkpinfo->isodir);
568 log_it("command = %s", command);
569 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
570 mr_asprintf(&iso_dev, "%s", call_program_and_get_last_line_of_output(command));
571 mr_asprintf(&tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
572 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
573 mr_free(tmp);
574 mr_free(command);
575
576 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
577 mr_free(iso_dev);
578
579 log_it("command = %s", command);
580 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
581 mr_asprintf(&iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
582 mr_asprintf(&tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
583 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
584 mr_free(tmp);
585 mr_free(command);
586
587 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
588 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
589 if (strlen(iso_tmp) < strlen(iso_mnt)) {
590 mr_asprintf(&iso_path, "%s", "");
591 } else {
592 // If iso_mnt is only / then iso_path is the full dir
593 // (the formula bellow doesn't work in this case)
594 if (strcmp(iso_mnt, "/") == 0) {
595 mr_asprintf(&iso_path, "%s", iso_tmp);
596 // else it's a part of iso_tmp
597 } else {
598 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
599 }
600 }
601 mr_free(iso_tmp);
602 mr_free(iso_mnt);
603
604 mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
605 write_one_liner_data_file(tmp, iso_path);
606 mr_free(tmp);
607
608 log_it("isodir: %s", iso_path);
609 mr_free(iso_path);
610
611 mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
612 write_one_liner_data_file(tmp, bkpinfo->prefix);
613 mr_free(tmp);
614
615 log_it("iso-prefix: %s", bkpinfo->prefix);
616
617/* End patch */
618 } // end of iso code
619
620 if (bkpinfo->backup_media_type == netfs) {
621 strcpy(hostname, bkpinfo->netfs_mount);
622 colon = strchr(hostname, ':');
623 if (!colon) {
624 log_it("netfs mount doesn't have a colon in it");
625 retval++;
626 } else {
627 struct hostent *hent;
628
629 *colon = '\0';
630 hent = gethostbyname(hostname);
631 if (!hent) {
632 log_it("Can't resolve Network mount (%s): %s", hostname,
633 hstrerror(h_errno));
634 retval++;
635 } else {
636 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
637 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
638 strcpy(bkpinfo->netfs_mount, ip_address);
639 paranoid_free(ip_address);
640 }
641 }
642 store_netfs_config();
643 }
644
645 log_it("Finished processing incoming params");
646 if (retval) {
647 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
648 }
649 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
650 log_it("tmpdir or scratchdir are blank/missing");
651 retval++;
652 }
653 if (bkpinfo->include_paths[0] == '\0') {
654 // fatal_error ("Why no backup path?");
655 strcpy(bkpinfo->include_paths, "/");
656 }
657 chmod(bkpinfo->scratchdir, 0700);
658 g_backup_media_type = bkpinfo->backup_media_type;
659 paranoid_free(mtpt);
660 paranoid_free(hostname);
661 paranoid_free(cdr_exe);
662 return (retval);
663}
664
665
666
667/**
668 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
669 * Seeds the random-number generator, loads important modules, checks the sanity
670 * of the user's Linux distribution, and deletes logfile.
671 * @param bkpinfo The backup information structure. Will be initialized.
672 * @return number of errors (0 for success)
673 */
674int pre_param_configuration()
675{
676 int res = 0;
677 char *tmp = NULL;
678
679 make_hole_for_dir(MNT_CDROM);
680 assert(bkpinfo != NULL);
681 srandom((unsigned long) (time(NULL)));
682 insmod_crucial_modules();
683 if (bkpinfo->disaster_recovery) {
684 if (!does_nonMS_partition_exist()) {
685 fatal_error
686 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
687 }
688 }
689
690 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
691 run_program_and_log_output(tmp, FALSE);
692 paranoid_free(tmp);
693 if (find_and_store_mondoarchives_home(g_mondo_home)) {
694 fprintf(stderr,
695 "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");
696 res++;
697 return (res);
698 }
699 res += some_basic_system_sanity_checks();
700 if (res) {
701 log_it("Your distribution did not pass Mondo's sanity test.");
702 }
703 g_current_media_number = 1;
704 bkpinfo->postnuke_tarball[0] = bkpinfo->netfs_mount[0] = '\0';
705 return (res);
706}
707
708void setup_tmpdir(char *path) {
709
710 char *tmp = NULL;
711 char *p = NULL;
712
713 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
714 /* purging a potential old tmpdir */
715 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
716 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
717 (void)system(tmp);
718 paranoid_free(tmp);
719 }
720
721 /* Always take in account env first */
722 if (getenv("TMPDIR")) {
723 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
724 } else if (getenv("TMP")) {
725 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
726 } else if (path != NULL) {
727 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
728 } else {
729 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
730 }
731 p = mkdtemp(tmp);
732 if (p == NULL) {
733 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
734 finish(-1);
735 }
736 strcpy(bkpinfo->tmpdir,p);
737 paranoid_free(tmp);
738}
739
740
741/**
742 * Reset all fields of the backup information structure to a sensible default.
743 * @param bkpinfo The @c bkpinfo to reset.
744 */
745void reset_bkpinfo()
746{
747 int i;
748
749 log_msg(1, "Hi");
750 assert(bkpinfo != NULL);
751 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
752
753 bkpinfo->media_device[0] = '\0';
754 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
755 bkpinfo->media_size[i] = -1;
756 }
757 bkpinfo->boot_loader = '\0';
758 bkpinfo->boot_device[0] = '\0';
759 bkpinfo->zip_exe[0] = '\0';
760 bkpinfo->zip_suffix[0] = '\0';
761 bkpinfo->image_devs[0] = '\0';
762 bkpinfo->compression_level = 3;
763 bkpinfo->use_lzo = FALSE;
764 bkpinfo->use_gzip = FALSE;
765 bkpinfo->do_not_compress_these[0] = '\0';
766 bkpinfo->verify_data = FALSE;
767 bkpinfo->backup_data = FALSE;
768 bkpinfo->restore_data = FALSE;
769 bkpinfo->use_star = FALSE;
770 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
771 bkpinfo->disaster_recovery =
772 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
773 if (bkpinfo->disaster_recovery) {
774 strcpy(bkpinfo->isodir, "/");
775 } else {
776 strcpy(bkpinfo->isodir, MONDO_CACHE);
777 }
778 strcpy(bkpinfo->prefix, STD_PREFIX);
779 sensibly_set_tmpdir_and_scratchdir();
780
781 bkpinfo->optimal_set_size = 0;
782 strcpy(bkpinfo->include_paths, "/");
783 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
784 bkpinfo->include_paths[0] = '\0';
785 bkpinfo->exclude_paths[0] = '\0';
786 bkpinfo->exclude_devs = NULL;
787 bkpinfo->restore_path[0] = '\0';
788 bkpinfo->call_before_iso[0] = '\0';
789 bkpinfo->call_make_iso[0] = '\0';
790 bkpinfo->call_burn_iso[0] = '\0';
791 bkpinfo->call_after_iso[0] = '\0';
792 bkpinfo->kernel_path[0] = '\0';
793 bkpinfo->netfs_mount[0] = '\0';
794 bkpinfo->netfs_proto = NULL;
795 bkpinfo->netfs_user = NULL;
796 bkpinfo->netfs_remote_dir[0] = '\0';
797 bkpinfo->postnuke_tarball[0] = '\0';
798 bkpinfo->wipe_media_first = FALSE;
799 bkpinfo->differential = 0;
800 bkpinfo->please_dont_eject = FALSE;
801 bkpinfo->cdrw_speed = 0;
802 bkpinfo->manual_cd_tray = FALSE;
803 bkpinfo->nonbootable_backup = FALSE;
804 bkpinfo->make_cd_use_lilo = FALSE;
805 bkpinfo->use_obdr = FALSE;
806 bkpinfo->restore_mode = interactive;
807}
808
809
810
811
812/**
813 * Get the remaining free space (in MB) on @p partition.
814 * @param partition The partition to check free space on (either a device or a mountpoint).
815 * @return The free space on @p partition, in MB.
816 */
817long free_space_on_given_partition(char *partition)
818{
819 char *out_sz = NULL;
820 char *command = NULL;
821 long res;
822
823 assert_string_is_neither_NULL_nor_zerolength(partition);
824
825 mr_asprintf(&command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
826 if (system(command)) {
827 mr_free(command);
828 return (-1);
829 } // partition does not exist
830 mr_free(command);
831
832 mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
833 partition);
834 mr_asprintf(&out_sz, "%s", call_program_and_get_last_line_of_output(command));
835 mr_free(command);
836
837 if (strlen(out_sz) == 0) {
838 mr_free(out_sz);
839 return (-1);
840 } // error within df, probably
841 res = atol(out_sz);
842 mr_free(out_sz);
843 return (res);
844}
845
846
847
848/**
849 * Check the user's system for sanity. Checks performed:
850 * - make sure user has enough RAM (32mb required, 64mb recommended)
851 * - make sure user has enough free space in @c /
852 * - check kernel for ramdisk support
853 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
854 * - make sure CD-ROM is unmounted
855 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
856 *
857 * @return number of problems with the user's setup (0 for success)
858 */
859int some_basic_system_sanity_checks()
860{
861
862 /*@ buffers ************ */
863 char *tmp = NULL;
864
865 /*@ int's *************** */
866 int retval = 0;
867
868 mvaddstr_and_log_it(g_currentY, 0,
869 "Checking sanity of your Linux distribution");
870#ifndef __FreeBSD__
871 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
872 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
873 log_it
874 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
875 run_program_and_log_output
876 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
877 }
878 mr_asprintf(&tmp, "%s",
879 call_program_and_get_last_line_of_output
880 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
881 if (atol(tmp) < 35000) {
882 retval++;
883 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
884 }
885 if (atol(tmp) < 66000) {
886 log_to_screen
887 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
888 }
889 mr_free(tmp);
890#endif
891
892 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
893 retval++;
894 log_to_screen
895 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
896 fatal_error
897 ("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. :)");
898 }
899#ifndef __FreeBSD__
900 if (run_program_and_log_output
901 ("grep ramdisk /proc/devices", FALSE)) {
902 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
903 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
904 if (run_program_and_log_output
905 ("grep ramdisk /proc/devices", FALSE)) {
906 if (!ask_me_yes_or_no
907 ("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?"))
908 {
909 // retval++;
910 log_to_screen
911 ("It looks as if your kernel lacks ramdisk and initrd support.");
912 log_to_screen
913 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
914 }
915 }
916 }
917#endif
918 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
919 retval += whine_if_not_found("mkisofs");
920 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
921 retval += whine_if_not_found("cdrecord");
922 }
923 retval += whine_if_not_found("bzip2");
924 retval += whine_if_not_found("gzip");
925 retval += whine_if_not_found("awk");
926 retval += whine_if_not_found("md5sum");
927 retval += whine_if_not_found("strings");
928 retval += whine_if_not_found("mindi");
929 retval += whine_if_not_found("buffer");
930
931 // abort if Windows partition but no ms-sys and parted
932 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
933 log_to_screen("I think you have a Windows 9x partition.");
934 retval += whine_if_not_found("parted");
935 }
936
937 if (!find_home_of_exe("cmp")) {
938 whine_if_not_found("cmp");
939 }
940 run_program_and_log_output
941 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
942 mr_asprintf(&tmp, "%s",
943 call_program_and_get_last_line_of_output
944 ("mount | grep -E \"cdr(om|w)\""));
945 if (strcmp("", tmp)) {
946 if (strstr(tmp, "autofs")) {
947 log_to_screen
948 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
949 log_to_screen
950 ("if a CD actually is inserted. If a CD is inserted, please");
951 log_to_screen("eject it. Thank you.");
952 log_it
953 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
954 } else
955 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
956 retval++;
957 mr_free(tmp);
958 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
959 }
960 }
961 mr_free(tmp);
962
963 run_program_and_log_output("cat /etc/fstab", 5);
964#ifdef __FreeBSD__
965 run_program_and_log_output("vinum printconfig", 5);
966#else
967 run_program_and_log_output("cat /etc/raidtab", 5);
968#endif
969
970 if (run_program_and_log_output("mindi -V", 1)) {
971 log_to_screen("Could not ascertain mindi's version number.");
972 log_to_screen
973 ("You have not installed Mondo and/or Mindi properly.");
974 log_to_screen("Please uninstall and reinstall them both.");
975 fatal_error("Please reinstall Mondo and Mindi.");
976 }
977 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
978 if (run_program_and_log_output(tmp, 5)) {
979 mr_free(tmp);
980 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
981 log_to_screen(tmp);
982 log_to_screen
983 ("Please run that command by hand and examine /var/log/mindi.log");
984 log_to_screen
985 ("for more information. Perhaps your /etc/fstab file is insane.");
986 log_to_screen
987 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
988 retval++;
989 }
990 mr_free(tmp);
991
992 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
993 && !does_file_exist("/etc/raidtab")) {
994 log_to_screen
995 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
996 create_raidtab_from_mdstat("/etc/raidtab");
997 }
998
999 if (retval) {
1000 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1001 } else {
1002 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1003 }
1004 return (retval);
1005}
1006
1007/**
1008 * Retrieve the line containing @p label from the config file.
1009 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1010 * @param label What to read from the file.
1011 * @param value Where to put it.
1012 * @return 0 for success, 1 for failure.
1013 */
1014int read_cfg_var(char *config_file, char *label, char *value)
1015{
1016 /*@ buffer ****************************************************** */
1017 char *command = NULL;
1018 char *tmp = NULL;
1019
1020 /*@ end vars *************************************************** */
1021
1022 assert_string_is_neither_NULL_nor_zerolength(config_file);
1023 assert_string_is_neither_NULL_nor_zerolength(label);
1024 if (!does_file_exist(config_file)) {
1025 mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1026 config_file);
1027 log_to_screen(tmp);
1028 mr_free(tmp);
1029
1030 value[0] = '\0';
1031 return (1);
1032 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1033 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1034 return (0);
1035 } else {
1036 mr_asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1037 label, config_file);
1038 strcpy(value, call_program_and_get_last_line_of_output(command));
1039 mr_free(command);
1040
1041 if (strlen(value) == 0) {
1042 return (1);
1043 } else {
1044 return (0);
1045 }
1046 }
1047}
1048
1049
1050
1051/**
1052 * Remount @c supermount if it was unmounted earlier.
1053 */
1054void remount_supermounts_if_necessary()
1055{
1056 if (g_remount_cdrom_at_end) {
1057 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1058 }
1059 if (g_remount_floppy_at_end) {
1060 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1061 }
1062}
1063
1064/**
1065 * Unmount @c supermount if it's mounted.
1066 */
1067void unmount_supermounts_if_necessary()
1068{
1069 if (run_program_and_log_output
1070 ("mount | grep cdrom | grep super", FALSE) == 0) {
1071 g_remount_cdrom_at_end = TRUE;
1072 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1073 }
1074 if (run_program_and_log_output
1075 ("mount | grep floppy | grep super", FALSE) == 0) {
1076 g_remount_floppy_at_end = TRUE;
1077 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1078 }
1079}
1080
1081/**
1082 * Whether we had to stop autofs (if so, restart it at end).
1083 */
1084bool g_autofs_stopped = FALSE;
1085
1086/**
1087 * Path to the autofs initscript ("" if none exists).
1088 */
1089char g_autofs_exe[MAX_STR_LEN];
1090
1091/**
1092 * Autofs initscript in Xandros Linux distribution.
1093 */
1094#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1095
1096/**
1097 * Autofs initscript in most Linux distributions.
1098 */
1099#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1100
1101/**
1102 * If autofs is mounted, stop it (restart at end).
1103 */
1104void stop_autofs_if_necessary()
1105{
1106 char *tmp = NULL;
1107
1108 g_autofs_exe[0] = '\0';
1109 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1110 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1111 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1112 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1113 }
1114
1115 if (!g_autofs_exe[0]) {
1116 log_msg(3, "No autofs detected.");
1117 } else {
1118 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1119 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1120 mr_asprintf(&tmp, "%s stop", g_autofs_exe);
1121 if (run_program_and_log_output(tmp, 2)) {
1122 log_it("Failed to stop autofs - I assume it wasn't running");
1123 } else {
1124 g_autofs_stopped = TRUE;
1125 log_it("Stopped autofs OK");
1126 }
1127 mr_free(tmp);
1128 }
1129}
1130
1131/**
1132 * If autofs was stopped earlier, restart it.
1133 */
1134void restart_autofs_if_necessary()
1135{
1136 char *tmp = NULL;
1137
1138 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1139 log_msg(3, "No autofs detected.");
1140 return;
1141 }
1142 mr_asprintf(&tmp, "%s start", g_autofs_exe);
1143 if (run_program_and_log_output(tmp, 2)) {
1144 log_it("Failed to start autofs");
1145 } else {
1146 g_autofs_stopped = FALSE;
1147 log_it("Started autofs OK");
1148 }
1149 mr_free(tmp);
1150}
1151
1152
1153/**
1154 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1155 */
1156void mount_boot_if_necessary()
1157{
1158 char *tmp = NULL;
1159 char *command = NULL;
1160
1161 log_msg(1, "Started sub");
1162 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1163 g_boot_mountpt[0] = '\0';
1164 log_msg(4, "Done. Great. Seeting command to something");
1165 mr_asprintf(&command, "%s",
1166 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1167 log_msg(4, "Cool. Command = '%s'", command);
1168 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1169 mr_free(command);
1170
1171 log_msg(4, "tmp = '%s'", tmp);
1172 if (tmp[0]) {
1173 log_it("/boot is at %s according to /etc/fstab", tmp);
1174 mr_asprintf(&command, "mount | grep -Ew '/boot'");
1175 mr_free(tmp);
1176 mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1177 mr_free(command);
1178
1179 if (!strcmp(tmp,"")) {
1180 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1181 if (!run_program_and_log_output("mount /boot", 5)) {
1182 strcpy(g_boot_mountpt, "/boot");
1183 log_msg(1, "Mounted /boot");
1184 } else {
1185 log_it("...ignored cos it's a label or uuid :-)");
1186 }
1187 } else {
1188 mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
1189 log_msg(3, "command = %s", command);
1190 if (run_program_and_log_output(command, 5)) {
1191 strcpy(g_boot_mountpt, tmp);
1192 mr_free(tmp);
1193 mr_asprintf(&tmp,
1194 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1195 g_boot_mountpt);
1196 log_it(tmp);
1197 mr_free(tmp);
1198
1199 mr_asprintf(&tmp, "mount %s", g_boot_mountpt);
1200 if (run_program_and_log_output(tmp, 5)) {
1201 g_boot_mountpt[0] = '\0';
1202 log_msg(1, "Plan B");
1203 if (!run_program_and_log_output("mount /boot", 5)) {
1204 strcpy(g_boot_mountpt, "/boot");
1205 log_msg(1, "Plan B worked");
1206 } else {
1207 log_msg(1,
1208 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1209 }
1210 }
1211 mr_free(tmp);
1212 }
1213 mr_free(command);
1214 }
1215 }
1216 }
1217 log_msg(1, "Ended sub");
1218}
1219
1220
1221/**
1222 * If we mounted /boot earlier, unmount it.
1223 */
1224void unmount_boot_if_necessary()
1225{
1226 char *tmp = NULL;
1227
1228 log_msg(3, "starting");
1229 if (g_boot_mountpt[0]) {
1230 mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
1231 if (run_program_and_log_output(tmp, 5)) {
1232 log_it("WARNING - unable to unmount /boot");
1233 }
1234 mr_free(tmp);
1235 }
1236 log_msg(3, "leaving");
1237}
1238
1239
1240
1241/**
1242 * Write a line to a configuration file. Writes a line of the form,
1243 * @c label @c value.
1244 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1245 * @param label What to call this bit of data you're writing.
1246 * @param value The bit of data you're writing.
1247 * @return 0 for success, 1 for failure.
1248 */
1249int write_cfg_var(char *config_file, char *label, char *value)
1250{
1251 /*@ buffers ***************************************************** */
1252 char *command = NULL;
1253 char *tempfile = NULL;
1254 char *tmp = NULL;
1255
1256
1257 /*@ end vars *************************************************** */
1258 assert_string_is_neither_NULL_nor_zerolength(config_file);
1259 assert_string_is_neither_NULL_nor_zerolength(label);
1260 assert(value != NULL);
1261 if (!does_file_exist(config_file)) {
1262 mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1263 config_file);
1264 log_to_screen(tmp);
1265 mr_free(tmp);
1266 return (1);
1267 }
1268 mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1269 if (does_file_exist(config_file)) {
1270 mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
1271 label, config_file, tempfile);
1272 paranoid_system(command);
1273 mr_free(command);
1274 }
1275 mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1276 paranoid_system(command);
1277 mr_free(command);
1278
1279 mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
1280 paranoid_system(command);
1281 mr_free(command);
1282 unlink(tempfile);
1283 mr_free(tempfile);
1284 return (0);
1285}
1286
1287
1288/**
1289 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1290 * information to the logfile.
1291 */
1292void standard_log_debug_msg(int debug_level, const char *szFile,
1293 const char *szFunction, int nLine,
1294 const char *fmt, ...)
1295{
1296 va_list args;
1297 int i;
1298 static int depth = 0;
1299 FILE *fout;
1300
1301 if (depth > 5) {
1302 depth--;
1303 return;
1304 }
1305 depth++;
1306
1307 if (debug_level <= g_loglevel) {
1308 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1309 return;
1310 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1311
1312 // add tabs to distinguish log levels
1313 if (debug_level > 0) {
1314 for (i = 1; i < debug_level; i++)
1315 fprintf(fout, "\t");
1316 if (getpid() == g_main_pid)
1317 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1318 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1319 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1320 else
1321 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1322 }
1323 va_start(args, fmt);
1324 vfprintf(fout, fmt, args);
1325 va_end(args);
1326
1327 // do not slow down the progran if standard debug level
1328 // must be enabled: if no flush, the log won't be up-to-date if there
1329 // is a segfault
1330 //if (g_dwDebugLevel != 1)
1331
1332 fprintf(fout, "\n");
1333 paranoid_fclose(fout);
1334 }
1335 depth--;
1336}
1337
1338/**
1339 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1340 */
1341void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1342 ...) = standard_log_debug_msg;
1343
1344
1345/**
1346 * If @p y, malloc @p x, else free @p x.
1347 * @bug This function seems orphaned. Please remove.
1348 */
1349#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1350
1351/**
1352 * Allocate or free important globals, depending on @p mal.
1353 * @param mal If TRUE, malloc; if FALSE, free.
1354 */
1355void do_libmondo_global_strings_thing(int mal)
1356{
1357 if (mal) {
1358 malloc_string(g_boot_mountpt);
1359 malloc_string(g_mondo_home);
1360 /*
1361 malloc_string(g_tmpfs_mountpt);
1362 */
1363 malloc_string(g_serial_string);
1364 malloc_string(g_magicdev_command);
1365 } else {
1366 paranoid_free(g_boot_mountpt);
1367 paranoid_free(g_mondo_home);
1368 /*
1369 paranoid_free(g_tmpfs_mountpt);
1370 */
1371 paranoid_free(g_serial_string);
1372 paranoid_free(g_magicdev_command);
1373
1374 }
1375
1376 /*
1377 char**list_of_arrays[] = {
1378 &g_boot_mountpt,
1379 &g_mondo_home,
1380 &g_tmpfs_mountpt,
1381 &g_serial_string,
1382 &g_magicdev_command,
1383 NULL};
1384
1385 char**ppcurr;
1386 int i;
1387
1388 for(i=0;list_of_arrays[i];i++)
1389 {
1390 log_msg(5, "Allocating %d", i);
1391 ppcurr = list_of_arrays[i];
1392 if (mal)
1393 { *ppcurr = malloc(MAX_STR_LEN); }
1394 else
1395 {
1396 if (*ppcurr)
1397 {
1398 free(*ppcurr);
1399 }
1400 }
1401 }
1402 log_msg(5, "Returning");
1403 */
1404}
1405
1406/**
1407 * Allocate important globals.
1408 * @see do_libmondo_global_strings_thing
1409 */
1410void malloc_libmondo_global_strings(void)
1411{
1412 do_libmondo_global_strings_thing(1);
1413}
1414
1415/**
1416 * Free important globals.
1417 * @see do_libmondo_global_strings_thing
1418 */
1419void free_libmondo_global_strings(void)
1420{
1421 do_libmondo_global_strings_thing(0);
1422}
1423
1424
1425
1426/**
1427 * Stop @c magicdev if it's running.
1428 * The command used to start it is saved in @p g_magicdev_command.
1429 */
1430void stop_magicdev_if_necessary()
1431{
1432 strcpy(g_magicdev_command,
1433 call_program_and_get_last_line_of_output
1434 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1435 if (g_magicdev_command[0]) {
1436 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1437 paranoid_system("killall magicdev");
1438 }
1439}
1440
1441
1442/**
1443 * Restart magicdev if it was stopped.
1444 */
1445void restart_magicdev_if_necessary()
1446{
1447 char *tmp = NULL;
1448
1449 if (g_magicdev_command && g_magicdev_command[0]) {
1450 mr_asprintf(&tmp, "%s &", g_magicdev_command);
1451 paranoid_system(tmp);
1452 mr_free(tmp);
1453 }
1454}
1455
1456/* @} - end of utilityGroup */
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