source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-tools.c@ 2470

Last change on this file since 2470 was 2470, checked in by Bruno Cornec, 14 years ago

Remove useless pb_log and MONDO_TRACEFILE
  • Property svn:keywords set to Id
File size: 38.7 KB
Line 
1/*
2 $Id: libmondo-tools.c 2470 2009-11-10 11:32:40Z 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 2470 2009-11-10 11:32:40Z 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;
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;
378 char call_before_iso_user[MAX_STR_LEN] = "\0";
379 /*
380 long avm = 0;
381 int rdsiz_MB;
382 */
383 char *iso_dev;
384 char *iso_mnt;
385 char *iso_tmp;
386 char *iso_path;
387
388 assert(bkpinfo != NULL);
389 malloc_string(command);
390 malloc_string(mtpt);
391 malloc_string(hostname);
392 malloc_string(cdr_exe);
393 malloc_string(tmp);
394 malloc_string(iso_dev);
395 malloc_string(iso_mnt);
396 malloc_string(iso_tmp);
397 malloc_string(iso_path);
398 bkpinfo->optimal_set_size =
399 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
400 1024;
401
402 log_msg(1, "Foo");
403 if (bkpinfo->backup_media_type == tape) {
404 log_msg(1, "Bar");
405 sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
406 log_msg(1, "tmp = '%s'", tmp);
407 if (run_program_and_log_output(tmp, 3)) {
408 fatal_error
409 ("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.");
410 }
411 }
412 make_hole_for_dir(bkpinfo->scratchdir);
413 if (bkpinfo->backup_media_type == iso)
414 make_hole_for_dir(bkpinfo->isodir);
415
416 run_program_and_log_output("uname -a", 5);
417 run_program_and_log_output("cat /etc/*-release", 5);
418 run_program_and_log_output("cat /etc/*issue*", 5);
419#ifdef __FreeBSD__
420#else
421 run_program_and_log_output("cat /proc/cpuinfo", 5);
422 run_program_and_log_output
423 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
424 5);
425#endif
426
427 if (bkpinfo->use_lzo) {
428 strcpy(bkpinfo->zip_exe, "lzop");
429 strcpy(bkpinfo->zip_suffix, "lzo");
430 } else if (bkpinfo->use_gzip) {
431 strcpy(bkpinfo->zip_exe, "gzip");
432 strcpy(bkpinfo->zip_suffix, "gz");
433 } else if (bkpinfo->compression_level != 0) {
434 strcpy(bkpinfo->zip_exe, "bzip2");
435 strcpy(bkpinfo->zip_suffix, "bz2");
436 } else {
437 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
438 }
439
440// DVD
441
442 if (bkpinfo->backup_media_type == dvd) {
443 if (find_home_of_exe("growisofs")) {
444 strcpy(cdr_exe, "growisofs");
445 } // unlikely to be used
446 else {
447 fatal_error("Please install growisofs.");
448 }
449 if (bkpinfo->nonbootable_backup) {
450 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
451 } else if
452#ifdef __FreeBSD__
453 (TRUE)
454#else
455 (bkpinfo->make_cd_use_lilo)
456#endif
457#ifdef __IA64__
458 {
459 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
460 }
461#else
462 {
463 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
464 }
465#endif
466 else
467 {
468 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
469 }
470 if (bkpinfo->manual_cd_tray) {
471 paranoid_free(mondo_mkisofs_sz);
472 fatal_error("Manual CD tray + DVD not supported yet.");
473 // -m isn't supported by growisofs, BTW...
474 } else {
475 sprintf(bkpinfo->call_make_iso,
476 "%s %s -Z %s . 2>> _ERR_",
477 mondo_mkisofs_sz,
478 "", bkpinfo->media_device);
479 paranoid_free(mondo_mkisofs_sz);
480 }
481 if (getenv ("SUDO_COMMAND")) {
482 sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
483 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
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 }
488 log_msg(2, "call_make_iso (DVD res) is ... %s",
489 bkpinfo->call_make_iso);
490 } // end of DVD code
491
492// CD-R or CD-RW
493 if (bkpinfo->backup_media_type == cdrw
494 || bkpinfo->backup_media_type == cdr) {
495 if (!bkpinfo->manual_cd_tray) {
496 mr_asprintf(&extra_cdrom_params, "-waiti ");
497 }
498 if (bkpinfo->backup_media_type == cdrw) {
499 mr_asprintf(&extra_cdrom_params, "blank=fast ");
500 }
501 if (find_home_of_exe("cdrecord")) {
502 strcpy(cdr_exe, "cdrecord");
503 } else if (find_home_of_exe("dvdrecord")) {
504 strcpy(cdr_exe, "dvdrecord");
505 } else {
506 fatal_error("Please install either cdrecord or dvdrecord.");
507 }
508 if (bkpinfo->nonbootable_backup) {
509 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
510 } else if
511#ifdef __FreeBSD__
512 (TRUE)
513#else
514 (bkpinfo->make_cd_use_lilo)
515#endif
516#ifdef __IA64__
517 {
518 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
519 }
520#else
521 {
522 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
523 }
524#endif
525 else
526 {
527 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
528 }
529 if (bkpinfo->manual_cd_tray) {
530 if (bkpinfo->call_before_iso[0] == '\0') {
531 sprintf(bkpinfo->call_before_iso,
532 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
533 mondo_mkisofs_sz, bkpinfo->tmpdir);
534 } else {
535 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
536 sprintf (bkpinfo->call_before_iso,
537 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
538 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
539 }
540 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
541 sprintf(bkpinfo->call_make_iso,
542 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
543 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
544 extra_cdrom_params, bkpinfo->media_device,
545 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
546 } else {
547 sprintf(bkpinfo->call_make_iso,
548 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
549 mondo_mkisofs_sz, cdr_exe,
550 (bkpinfo->please_dont_eject) ? " " : "-eject",
551 extra_cdrom_params, bkpinfo->media_device,
552 bkpinfo->cdrw_speed);
553 }
554 paranoid_free(mondo_mkisofs_sz);
555 paranoid_free(extra_cdrom_params);
556 } // end of CD code
557
558 /*
559 if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
560 {
561 sprintf (tmp,
562 "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
563 bkpinfo->media_device, bkpinfo->internal_tape_block_size);
564 if (system(tmp))
565 {
566 retval++;
567 fprintf (stderr,
568 "Cannot write to tape device. Is the tape set read-only?\n");
569 }
570 } // end of tape code
571 */
572
573
574 if (bkpinfo->backup_media_type == iso) {
575
576/* Patch by Conor Daly <conor.daly@met.ie>
577 * 23-june-2004
578 * Break up isodir into iso_mnt and iso_path
579 * These will be used along with iso-dev at restore time
580 * to locate the ISOs where ever they're mounted
581 */
582
583 log_it("isodir = %s", bkpinfo->isodir);
584 sprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1",
585 bkpinfo->isodir);
586 log_it("command = %s", command);
587 log_it("res of it = %s",
588 call_program_and_get_last_line_of_output(command));
589 sprintf(iso_dev, "%s",
590 call_program_and_get_last_line_of_output(command));
591 sprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
592 write_one_liner_data_file(tmp,
593 call_program_and_get_last_line_of_output
594 (command));
595
596 sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
597 iso_dev);
598 log_it("command = %s", command);
599 log_it("res of it = %s",
600 call_program_and_get_last_line_of_output(command));
601 sprintf(iso_mnt, "%s",
602 call_program_and_get_last_line_of_output(command));
603 sprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
604 write_one_liner_data_file(tmp,
605 call_program_and_get_last_line_of_output
606 (command));
607 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
608 sprintf(iso_tmp, "%s", bkpinfo->isodir);
609 if (strlen(iso_tmp) < strlen(iso_mnt)) {
610 iso_path[0] = '\0';
611 } else {
612 sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
613 }
614 sprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
615 write_one_liner_data_file(tmp, iso_path);
616 log_it("isodir: %s", iso_path);
617 sprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
618 write_one_liner_data_file(tmp, bkpinfo->prefix);
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(command);
665 paranoid_free(hostname);
666 paranoid_free(cdr_exe);
667 paranoid_free(tmp);
668 paranoid_free(iso_dev);
669 paranoid_free(iso_mnt);
670 paranoid_free(iso_tmp);
671 paranoid_free(iso_path);
672 return (retval);
673}
674
675
676
677/**
678 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
679 * Seeds the random-number generator, loads important modules, checks the sanity
680 * of the user's Linux distribution, and deletes logfile.
681 * @param bkpinfo The backup information structure. Will be initialized.
682 * @return number of errors (0 for success)
683 */
684int pre_param_configuration()
685{
686 int res = 0;
687 char *tmp = NULL;
688
689 make_hole_for_dir(MNT_CDROM);
690 assert(bkpinfo != NULL);
691 srandom((unsigned long) (time(NULL)));
692 insmod_crucial_modules();
693 if (bkpinfo->disaster_recovery) {
694 if (!does_nonMS_partition_exist()) {
695 fatal_error
696 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
697 }
698 }
699
700 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
701 run_program_and_log_output(tmp, FALSE);
702 paranoid_free(tmp);
703 if (find_and_store_mondoarchives_home(g_mondo_home)) {
704 fprintf(stderr,
705 "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");
706 res++;
707 return (res);
708 }
709 res += some_basic_system_sanity_checks();
710 if (res) {
711 log_it("Your distribution did not pass Mondo's sanity test.");
712 }
713 g_current_media_number = 1;
714 bkpinfo->postnuke_tarball[0] = bkpinfo->netfs_mount[0] = '\0';
715 return (res);
716}
717
718void setup_tmpdir(char *path) {
719
720 char *tmp = NULL;
721 char *p = NULL;
722
723 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
724 /* purging a potential old tmpdir */
725 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
726 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
727 (void)system(tmp);
728 paranoid_free(tmp);
729 }
730
731 /* Always take in account env first */
732 if (getenv("TMPDIR")) {
733 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
734 } else if (getenv("TMP")) {
735 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
736 } else if (path != NULL) {
737 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
738 } else {
739 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
740 }
741 p = mkdtemp(tmp);
742 if (p == NULL) {
743 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
744 finish(-1);
745 }
746 strcpy(bkpinfo->tmpdir,p);
747 paranoid_free(tmp);
748}
749
750
751/**
752 * Reset all fields of the backup information structure to a sensible default.
753 * @param bkpinfo The @c bkpinfo to reset.
754 */
755void reset_bkpinfo()
756{
757 int i;
758
759 log_msg(1, "Hi");
760 assert(bkpinfo != NULL);
761 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
762
763 bkpinfo->media_device[0] = '\0';
764 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
765 bkpinfo->media_size[i] = -1;
766 }
767 bkpinfo->boot_loader = '\0';
768 bkpinfo->boot_device[0] = '\0';
769 bkpinfo->zip_exe[0] = '\0';
770 bkpinfo->zip_suffix[0] = '\0';
771 bkpinfo->image_devs[0] = '\0';
772 bkpinfo->compression_level = 3;
773 bkpinfo->use_lzo = FALSE;
774 bkpinfo->use_gzip = FALSE;
775 bkpinfo->do_not_compress_these[0] = '\0';
776 bkpinfo->verify_data = FALSE;
777 bkpinfo->backup_data = FALSE;
778 bkpinfo->restore_data = FALSE;
779 bkpinfo->use_star = FALSE;
780 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
781 bkpinfo->disaster_recovery =
782 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
783 if (bkpinfo->disaster_recovery) {
784 strcpy(bkpinfo->isodir, "/");
785 } else {
786 strcpy(bkpinfo->isodir, MONDO_CACHE);
787 }
788 strcpy(bkpinfo->prefix, STD_PREFIX);
789 sensibly_set_tmpdir_and_scratchdir();
790
791 bkpinfo->optimal_set_size = 0;
792 strcpy(bkpinfo->include_paths, "/");
793 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
794 bkpinfo->include_paths[0] = '\0';
795 bkpinfo->exclude_paths[0] = '\0';
796 bkpinfo->exclude_devs = NULL;
797 bkpinfo->restore_path[0] = '\0';
798 bkpinfo->call_before_iso[0] = '\0';
799 bkpinfo->call_make_iso[0] = '\0';
800 bkpinfo->call_burn_iso[0] = '\0';
801 bkpinfo->call_after_iso[0] = '\0';
802 bkpinfo->kernel_path[0] = '\0';
803 bkpinfo->netfs_mount[0] = '\0';
804 bkpinfo->netfs_proto = NULL;
805 bkpinfo->netfs_user = NULL;
806 bkpinfo->netfs_remote_dir[0] = '\0';
807 bkpinfo->postnuke_tarball[0] = '\0';
808 bkpinfo->wipe_media_first = FALSE;
809 bkpinfo->differential = 0;
810 bkpinfo->please_dont_eject = FALSE;
811 bkpinfo->cdrw_speed = 0;
812 bkpinfo->manual_cd_tray = FALSE;
813 bkpinfo->nonbootable_backup = FALSE;
814 bkpinfo->make_cd_use_lilo = FALSE;
815 bkpinfo->use_obdr = FALSE;
816 bkpinfo->restore_mode = interactive;
817}
818
819
820
821
822/**
823 * Get the remaining free space (in MB) on @p partition.
824 * @param partition The partition to check free space on (either a device or a mountpoint).
825 * @return The free space on @p partition, in MB.
826 */
827long free_space_on_given_partition(char *partition)
828{
829 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
830 long res;
831
832 assert_string_is_neither_NULL_nor_zerolength(partition);
833
834 sprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
835 if (system(command)) {
836 return (-1);
837 } // partition does not exist
838 sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
839 partition);
840 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
841 if (strlen(out_sz) == 0) {
842 return (-1);
843 } // error within df, probably
844 res = atol(out_sz);
845 return (res);
846}
847
848
849
850/**
851 * Check the user's system for sanity. Checks performed:
852 * - make sure user has enough RAM (32mb required, 64mb recommended)
853 * - make sure user has enough free space in @c /
854 * - check kernel for ramdisk support
855 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
856 * - make sure CD-ROM is unmounted
857 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
858 *
859 * @return number of problems with the user's setup (0 for success)
860 */
861int some_basic_system_sanity_checks()
862{
863
864 /*@ buffers ************ */
865 char tmp[MAX_STR_LEN];
866 // char command[MAX_STR_LEN];
867
868 /*@ int's *************** */
869 int retval = 0;
870
871 mvaddstr_and_log_it(g_currentY, 0,
872 "Checking sanity of your Linux distribution");
873#ifndef __FreeBSD__
874 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
875 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
876 log_it
877 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
878 run_program_and_log_output
879 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
880 }
881 strcpy(tmp,
882 call_program_and_get_last_line_of_output
883 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
884 if (atol(tmp) < 35000) {
885 retval++;
886 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
887 }
888 if (atol(tmp) < 66000) {
889 log_to_screen
890 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
891 }
892#endif
893
894 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
895 retval++;
896 log_to_screen
897 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
898 fatal_error
899 ("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. :)");
900 }
901#ifndef __FreeBSD__
902 if (run_program_and_log_output
903 ("grep ramdisk /proc/devices", FALSE)) {
904 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
905 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
906 if (run_program_and_log_output
907 ("grep ramdisk /proc/devices", FALSE)) {
908 if (!ask_me_yes_or_no
909 ("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?"))
910 {
911 // retval++;
912 log_to_screen
913 ("It looks as if your kernel lacks ramdisk and initrd support.");
914 log_to_screen
915 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
916 }
917 }
918 }
919#endif
920 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
921 retval += whine_if_not_found("mkisofs");
922 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
923 retval += whine_if_not_found("cdrecord");
924 }
925 retval += whine_if_not_found("bzip2");
926 retval += whine_if_not_found("gzip");
927 retval += whine_if_not_found("awk");
928 retval += whine_if_not_found("md5sum");
929 retval += whine_if_not_found("strings");
930 retval += whine_if_not_found("mindi");
931 retval += whine_if_not_found("buffer");
932
933 // abort if Windows partition but no ms-sys and parted
934 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
935 log_to_screen("I think you have a Windows 9x partition.");
936 retval += whine_if_not_found("parted");
937 }
938
939 if (!find_home_of_exe("cmp")) {
940 if (!find_home_of_exe("true")) {
941 whine_if_not_found("cmp");
942 } else {
943 log_to_screen
944 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
945 if (run_program_and_log_output
946 ("cp -f `which true` /usr/bin/cmp", 0)) {
947 fatal_error("Failed to create dummy 'cmp' file.");
948 }
949 }
950 }
951 run_program_and_log_output
952 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
953 strcpy(tmp,
954 call_program_and_get_last_line_of_output
955 ("mount | grep -E \"cdr(om|w)\""));
956 if (strcmp("", tmp)) {
957 if (strstr(tmp, "autofs")) {
958 log_to_screen
959 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
960 log_to_screen
961 ("if a CD actually is inserted. If a CD is inserted, please");
962 log_to_screen("eject it. Thank you.");
963 log_it
964 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
965 } else
966 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
967 retval++;
968 fatal_error
969 ("Your CD-ROM drive is mounted. Please unmount it.");
970 }
971 }
972
973 run_program_and_log_output("cat /etc/fstab", 5);
974#ifdef __FreeBSD__
975 run_program_and_log_output("vinum printconfig", 5);
976#else
977 run_program_and_log_output("cat /etc/raidtab", 5);
978#endif
979
980 if (run_program_and_log_output("mindi -V", 1)) {
981 log_to_screen("Could not ascertain mindi's version number.");
982 log_to_screen
983 ("You have not installed Mondo and/or Mindi properly.");
984 log_to_screen("Please uninstall and reinstall them both.");
985 fatal_error("Please reinstall Mondo and Mindi.");
986 }
987 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
988 if (run_program_and_log_output(tmp, 5)) {
989 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
990 log_to_screen(tmp);
991 log_to_screen
992 ("Please run that command by hand and examine /var/log/mindi.log");
993 log_to_screen
994 ("for more information. Perhaps your /etc/fstab file is insane.");
995 log_to_screen
996 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
997 retval++;
998 }
999
1000 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1001 && !does_file_exist("/etc/raidtab")) {
1002 log_to_screen
1003 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1004 create_raidtab_from_mdstat("/etc/raidtab");
1005 }
1006
1007 if (retval) {
1008 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1009 } else {
1010 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1011 }
1012 return (retval);
1013}
1014
1015/**
1016 * Retrieve the line containing @p label from the config file.
1017 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1018 * @param label What to read from the file.
1019 * @param value Where to put it.
1020 * @return 0 for success, 1 for failure.
1021 */
1022int read_cfg_var(char *config_file, char *label, char *value)
1023{
1024 /*@ buffer ****************************************************** */
1025 char command[MAX_STR_LEN * 2];
1026 char tmp[MAX_STR_LEN];
1027
1028 /*@ end vars *************************************************** */
1029
1030 assert_string_is_neither_NULL_nor_zerolength(config_file);
1031 assert_string_is_neither_NULL_nor_zerolength(label);
1032 if (!does_file_exist(config_file)) {
1033 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1034 config_file);
1035 log_to_screen(tmp);
1036 value[0] = '\0';
1037 return (1);
1038 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1039 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1040 return (0);
1041 } else {
1042 sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1043 label, config_file);
1044 strcpy(value, call_program_and_get_last_line_of_output(command));
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[MAX_STR_LEN];
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 sprintf(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 }
1132}
1133
1134/**
1135 * If autofs was stopped earlier, restart it.
1136 */
1137void restart_autofs_if_necessary()
1138{
1139 char tmp[MAX_STR_LEN];
1140
1141 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1142 log_msg(3, "No autofs detected.");
1143 return;
1144 }
1145 sprintf(tmp, "%s start", g_autofs_exe);
1146 if (run_program_and_log_output(tmp, 2)) {
1147 log_it("Failed to start autofs");
1148 } else {
1149 g_autofs_stopped = FALSE;
1150 log_it("Started autofs OK");
1151 }
1152}
1153
1154
1155/**
1156 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1157 */
1158void mount_boot_if_necessary()
1159{
1160 char tmp[MAX_STR_LEN];
1161 char command[MAX_STR_LEN];
1162
1163 log_msg(1, "Started sub");
1164 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1165 g_boot_mountpt[0] = '\0';
1166 log_msg(4, "Done. Great. Seeting command to something");
1167 strcpy(command,
1168 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1169 log_msg(4, "Cool. Command = '%s'", command);
1170 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1171 log_msg(4, "tmp = '%s'", tmp);
1172 if (tmp[0]) {
1173 log_it("/boot is at %s according to /etc/fstab", tmp);
1174 strcpy(command, "mount | grep -Ew '/boot'");
1175 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1176 if (!strcmp(tmp,"")) {
1177 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1178 if (!run_program_and_log_output("mount /boot", 5)) {
1179 strcpy(g_boot_mountpt, "/boot");
1180 log_msg(1, "Mounted /boot");
1181 } else {
1182 log_it("...ignored cos it's a label or uuid :-)");
1183 }
1184 } else {
1185 sprintf(command, "mount | grep -E '^%s'", tmp);
1186 log_msg(3, "command = %s", command);
1187 if (run_program_and_log_output(command, 5)) {
1188 strcpy(g_boot_mountpt, tmp);
1189 sprintf(tmp,
1190 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1191 g_boot_mountpt);
1192 log_it(tmp);
1193 sprintf(tmp, "mount %s", g_boot_mountpt);
1194 if (run_program_and_log_output(tmp, 5)) {
1195 g_boot_mountpt[0] = '\0';
1196 log_msg(1, "Plan B");
1197 if (!run_program_and_log_output("mount /boot", 5)) {
1198 strcpy(g_boot_mountpt, "/boot");
1199 log_msg(1, "Plan B worked");
1200 } else {
1201 log_msg(1,
1202 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1203 }
1204 }
1205 }
1206 }
1207 }
1208 }
1209 log_msg(1, "Ended sub");
1210}
1211
1212
1213/**
1214 * If we mounted /boot earlier, unmount it.
1215 */
1216void unmount_boot_if_necessary()
1217{
1218 char tmp[MAX_STR_LEN];
1219
1220 log_msg(3, "starting");
1221 if (g_boot_mountpt[0]) {
1222 sprintf(tmp, "umount %s", g_boot_mountpt);
1223 if (run_program_and_log_output(tmp, 5)) {
1224 log_it("WARNING - unable to unmount /boot");
1225 }
1226 }
1227 log_msg(3, "leaving");
1228}
1229
1230
1231
1232/**
1233 * Write a line to a configuration file. Writes a line of the form,
1234 * @c label @c value.
1235 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1236 * @param label What to call this bit of data you're writing.
1237 * @param value The bit of data you're writing.
1238 * @return 0 for success, 1 for failure.
1239 */
1240int write_cfg_var(char *config_file, char *label, char *value)
1241{
1242 /*@ buffers ***************************************************** */
1243 char command[MAX_STR_LEN * 2];
1244 char tempfile[MAX_STR_LEN];
1245 char tmp[MAX_STR_LEN];
1246
1247
1248 /*@ end vars *************************************************** */
1249 assert_string_is_neither_NULL_nor_zerolength(config_file);
1250 assert_string_is_neither_NULL_nor_zerolength(label);
1251 assert(value != NULL);
1252 if (!does_file_exist(config_file)) {
1253 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1254 config_file);
1255 log_to_screen(tmp);
1256 return (1);
1257 }
1258 sprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1259 if (does_file_exist(config_file)) {
1260 sprintf(command, "grep -vE '^%s .*$' %s > %s",
1261 label, config_file, tempfile);
1262 paranoid_system(command);
1263 }
1264 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1265 paranoid_system(command);
1266 sprintf(command, "mv -f %s %s", tempfile, config_file);
1267 paranoid_system(command);
1268 unlink(tempfile);
1269 return (0);
1270}
1271
1272
1273/**
1274 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1275 * information to the logfile.
1276 */
1277void standard_log_debug_msg(int debug_level, const char *szFile,
1278 const char *szFunction, int nLine,
1279 const char *fmt, ...)
1280{
1281 va_list args;
1282 int i;
1283 static int depth = 0;
1284 FILE *fout;
1285
1286 if (depth > 5) {
1287 depth--;
1288 return;
1289 }
1290 depth++;
1291
1292 if (debug_level <= g_loglevel) {
1293 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1294 return;
1295 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1296
1297 // add tabs to distinguish log levels
1298 if (debug_level > 0) {
1299 for (i = 1; i < debug_level; i++)
1300 fprintf(fout, "\t");
1301 if (getpid() == g_main_pid)
1302 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1303 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1304 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1305 else
1306 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1307 }
1308 va_start(args, fmt);
1309 vfprintf(fout, fmt, args);
1310 va_end(args);
1311
1312 // do not slow down the progran if standard debug level
1313 // must be enabled: if no flush, the log won't be up-to-date if there
1314 // is a segfault
1315 //if (g_dwDebugLevel != 1)
1316
1317 fprintf(fout, "\n");
1318 paranoid_fclose(fout);
1319 }
1320 depth--;
1321}
1322
1323/**
1324 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1325 */
1326void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1327 ...) = standard_log_debug_msg;
1328
1329
1330/**
1331 * If @p y, malloc @p x, else free @p x.
1332 * @bug This function seems orphaned. Please remove.
1333 */
1334#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1335
1336/**
1337 * Allocate or free important globals, depending on @p mal.
1338 * @param mal If TRUE, malloc; if FALSE, free.
1339 */
1340void do_libmondo_global_strings_thing(int mal)
1341{
1342 if (mal) {
1343 malloc_string(g_boot_mountpt);
1344 malloc_string(g_mondo_home);
1345 /*
1346 malloc_string(g_tmpfs_mountpt);
1347 */
1348 malloc_string(g_serial_string);
1349 malloc_string(g_magicdev_command);
1350 } else {
1351 paranoid_free(g_boot_mountpt);
1352 paranoid_free(g_mondo_home);
1353 /*
1354 paranoid_free(g_tmpfs_mountpt);
1355 */
1356 paranoid_free(g_serial_string);
1357 paranoid_free(g_magicdev_command);
1358
1359 }
1360
1361 /*
1362 char**list_of_arrays[] = {
1363 &g_boot_mountpt,
1364 &g_mondo_home,
1365 &g_tmpfs_mountpt,
1366 &g_serial_string,
1367 &g_magicdev_command,
1368 NULL};
1369
1370 char**ppcurr;
1371 int i;
1372
1373 for(i=0;list_of_arrays[i];i++)
1374 {
1375 log_msg(5, "Allocating %d", i);
1376 ppcurr = list_of_arrays[i];
1377 if (mal)
1378 { *ppcurr = malloc(MAX_STR_LEN); }
1379 else
1380 {
1381 if (*ppcurr)
1382 {
1383 free(*ppcurr);
1384 }
1385 }
1386 }
1387 log_msg(5, "Returning");
1388 */
1389}
1390
1391/**
1392 * Allocate important globals.
1393 * @see do_libmondo_global_strings_thing
1394 */
1395void malloc_libmondo_global_strings(void)
1396{
1397 do_libmondo_global_strings_thing(1);
1398}
1399
1400/**
1401 * Free important globals.
1402 * @see do_libmondo_global_strings_thing
1403 */
1404void free_libmondo_global_strings(void)
1405{
1406 do_libmondo_global_strings_thing(0);
1407}
1408
1409
1410
1411/**
1412 * Stop @c magicdev if it's running.
1413 * The command used to start it is saved in @p g_magicdev_command.
1414 */
1415void stop_magicdev_if_necessary()
1416{
1417 strcpy(g_magicdev_command,
1418 call_program_and_get_last_line_of_output
1419 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1420 if (g_magicdev_command[0]) {
1421 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1422 paranoid_system("killall magicdev");
1423 }
1424}
1425
1426
1427/**
1428 * Restart magicdev if it was stopped.
1429 */
1430void restart_magicdev_if_necessary()
1431{
1432 char *tmp;
1433
1434 malloc_string(tmp);
1435 if (g_magicdev_command && g_magicdev_command[0]) {
1436 sprintf(tmp, "%s &", g_magicdev_command);
1437 paranoid_system(tmp);
1438 }
1439 paranoid_free(tmp);
1440}
1441
1442/* @} - end of utilityGroup */
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