source: MondoRescue/trunk/mondo/mondo/common/libmondo-tools.c@ 122

Last change on this file since 122 was 94, checked in by bcornec, 18 years ago

x86_64 support (begining)
find_and_store_mondoarchives_home interface change
libmondo-tools.c modified with asprintf
  • Property svn:keywords set to Id
File size: 38.6 KB
Line 
1/* $Id: libmondo-tools.c 94 2005-10-28 23:08:39Z bcornec $
2misc tools
3*/
4
5/**
6 * @file
7 * Miscellaneous tools that didn't really fit anywhere else.
8 */
9
10#include "my-stuff.h"
11#include "mondostructures.h"
12#include "lib-common-externs.h"
13#include "libmondo-tools.h"
14#include "libmondo-gui-EXT.h"
15#include "libmondo-files-EXT.h"
16#include "libmondo-fork-EXT.h"
17#include "libmondo-raid-EXT.h"
18#include <sys/socket.h>
19#include <netdb.h>
20#include <netinet/in.h>
21#include <arpa/inet.h>
22
23/*@unused@*/
24//static char cvsid[] = "$Id: libmondo-tools.c 94 2005-10-28 23:08:39Z bcornec $";
25
26extern int g_tape_buffer_size_MB;
27extern char *g_erase_tmpdir_and_scratchdir;
28extern char *g_serial_string;
29extern bool g_text_mode;
30extern int g_currentY;
31extern int g_current_media_number;
32
33/**
34 * @addtogroup globalGroup
35 * @{
36 */
37bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
38 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
39bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
40double g_kernel_version;
41
42/**
43 * The place where /boot is mounted. - Used locally only
44 */
45static char *g_boot_mountpt = NULL;
46
47/**
48 * The location of Mondo's home directory.
49 */
50char *g_mondo_home = NULL;
51
52/**
53 * The serial string (used to differentiate between backups) of the current backup.
54 */
55char *g_serial_string = NULL;
56
57/**
58 * The location where tmpfs is mounted, or "" if it's not mounted.
59 */
60char *g_tmpfs_mountpt = NULL;
61char *g_magicdev_command = NULL;
62
63/**
64 * The default maximum level to log messages at or below.
65 */
66int g_loglevel = DEFAULT_DEBUG_LEVEL;
67
68/* @} - end of globalGroup */
69
70
71extern pid_t g_buffer_pid;
72extern pid_t g_main_pid;
73
74extern t_bkptype g_backup_media_type;
75
76extern bool am_I_in_disaster_recovery_mode(void);
77
78
79/**
80 * @addtogroup utilityGroup
81 * @{
82 */
83/**
84 * Assertion handler. Prints a friendly message to the user,
85 * offering to ignore all, dump core, break to debugger,
86 * exit, or ignore. Intended to be used with an assert() macro.
87 *
88 * @param file The file in which the assertion triggered.
89 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
90 * @param line The line number of the assert() statement.
91 * @param exp The expression that failed (as a string).
92 */
93void _mondo_assert_fail(const char *file,
94 const char *function, int line, const char *exp)
95{
96 static int ignoring_assertions = 0;
97 bool is_valid = TRUE;
98
99 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
100 function);
101 if (ignoring_assertions) {
102 log_it("Well, the user doesn't care...");
103 return;
104 }
105#ifndef _XWIN
106 if (!g_text_mode)
107 newtSuspend();
108#endif
109 printf("ASSERTION FAILED: `%s'\n", exp);
110 printf("\tat %s:%d in %s\n\n", file, line, function);
111 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
112 do {
113 is_valid = TRUE;
114 switch (toupper(getchar())) {
115 case 'A': // ignore (A)ll
116 ignoring_assertions = 1;
117 break;
118 case 'B': // a(B)ort
119 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
120 raise(SIGABRT);
121 break; /* "can't get here" */
122 case 'D': // (D)ebug, aka asm("int 3")
123#ifdef __IA32__
124 __asm__ __volatile__("int $3"); // break to debugger
125#endif
126 break;
127 case 'E': // (E)xit
128 fatal_error("Failed assertion -- see above for details");
129 break; /* "can't get here" */
130 case 'I': // (I)gnore
131 break;
132 /* These next two work as follows:
133 the `default' catches the user's invalid choice and says so;
134 the '\n' catches the newline on the end and prints the prompt again.
135 */
136 case '\n':
137 printf
138 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
139 break;
140 default:
141 is_valid = FALSE;
142 printf("Invalid choice.\n");
143 break;
144 }
145 } while (!is_valid);
146
147 if (ignoring_assertions) {
148 log_it("Ignoring ALL assertions from now on.");
149 } else {
150 log_it("Ignoring assertion: %s", exp);
151 }
152
153 getchar(); // skip \n
154
155#ifndef _XWIN
156 if (!g_text_mode)
157 newtResume();
158#endif
159}
160
161/**
162 * Clean's up users' KDE desktops.
163 * @bug Details about this function are unknown.
164 */
165void clean_up_KDE_desktop_if_necessary(void)
166{
167 char *tmp;
168
169 asprintf(&tmp,
170 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
171file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
172cat $file.old | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
173else { print $0;};}' > $file ; fi ; done");
174 run_program_and_log_output(tmp, 5);
175 paranoid_free(tmp);
176}
177
178
179/**
180 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
181 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
182 *
183 * @param home_sz String to store the home directory ("" if it could not be found).
184 * @return 0 for success, nonzero for failure.
185 */
186char *find_and_store_mondoarchives_home()
187{
188 char *home_sz = NULL;
189
190 asprintf(&home_sz,
191 call_program_and_get_last_line_of_output
192 ("find /usr/lib/ /usr/local/ /usr/share/ /usr/local/share/ /opt/ /ramdisk/usr/share/ -type d -maxdepth 2 -name include -prune -o -type d -maxdepth 2 -path '*/mondo/restore-scripts' -printf '%h\n' 2> /dev/null"));
193
194 if (home_sz[0] == '\0') {
195 paranoid_free(home_sz);
196 asprintf(&home_sz,
197 call_program_and_get_last_line_of_output
198 ("find /usr -type d -path '*/mondo/restore-scripts' -follow -maxdepth 3 -printf '%h\n' 2> /dev/null"));
199 }
200 if (home_sz[0] == '\0') {
201 paranoid_free(home_sz);
202 home_sz = NULL;
203 } else {
204 log_it("mondoarchive home found at %s", home_sz);
205 }
206 return (home_sz);
207}
208
209
210char *get_architecture()
211{
212#ifdef __IA32__
213 return ("i386");
214#endif
215#ifdef __X86_64__
216 return ("x86-64");
217#endif
218#ifdef __IA64__
219 return ("ia64");
220#endif
221 return ("unknown");
222}
223
224
225
226double get_kernel_version()
227{
228 char *p, *tmp;
229 double d;
230#ifdef __FreeBSD__
231 // JOSH - FIXME :)
232 d = 5.2; // :-)
233#else
234 asprintf(&tmp, call_program_and_get_last_line_of_output("uname -r"));
235 p = strchr(tmp, '.');
236 if (p) {
237 p = strchr(++p, '.');
238 if (p) {
239 while (*p) {
240 *p = *(p + 1);
241 p++;
242 }
243 }
244 }
245// log_msg(1, "tmp = '%s'", tmp);
246 d = atof(tmp);
247#endif
248 log_msg(1, "g_kernel_version = %f", d);
249 return (d);
250}
251
252
253
254
255
256/**
257 * Get the current time.
258 * @return number of seconds since the epoch.
259 */
260long get_time()
261{
262 return (long) time((void *) 0);
263}
264
265
266
267
268
269
270
271/**
272 * Initialize a RAID volume structure, setting fields to zero. The
273 * actual hard drive is unaffected.
274 *
275 * @param raidrec The RAID volume structure to initialize.
276 * @note This function is system dependent.
277 */
278#ifdef __FreeBSD__
279void initialize_raidrec(struct vinum_volume *raidrec)
280{
281 int i, j;
282 raidrec->volname[0] = '\0';
283 raidrec->plexes = 0;
284 for (i = 0; i < 9; ++i) {
285 raidrec->plex[i].raidlevel = -1;
286 raidrec->plex[i].stripesize = 0;
287 raidrec->plex[i].subdisks = 0;
288 for (j = 0; j < 9; ++j) {
289 strcpy(raidrec->plex[i].sd[j].which_device, "");
290 }
291 }
292}
293#else
294void initialize_raidrec(struct raid_device_record *raidrec)
295{
296 assert(raidrec != NULL);
297 raidrec->raid_device[0] = '\0';
298 raidrec->raid_level = 0;
299 raidrec->chunk_size = 4;
300 raidrec->persistent_superblock = 1;
301 raidrec->data_disks.entries = 0;
302 raidrec->spare_disks.entries = 0;
303 raidrec->parity_disks.entries = 0;
304 raidrec->failed_disks.entries = 0;
305 raidrec->additional_vars.entries = 0;
306}
307#endif
308
309
310
311
312/**
313 * Insert modules that Mondo requires.
314 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
315 * @c msdosfs and @c ext2fs for FreeBSD.
316 */
317void insmod_crucial_modules(void)
318{
319#ifdef __FreeBSD__
320 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
321 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
322#else
323 system("modprobe -a dos fat vfat loop &> /dev/null");
324#endif
325}
326
327
328/**
329 * Finish configuring the backup information structure. Call this function
330 * to set the parameters that depend on those that can be given on the command
331 * line.
332 *
333 * @param bkpinfo The backup information structure. Fields modified/used:
334 * - Used: @c bkpinfo->backup_data
335 * - Used: @c bkpinfo->backup_media_type
336 * - Used: @c bkpinfo->cdrw_speed
337 * - Used: @c bkpinfo->compression_level
338 * - Used: @c bkpinfo->include_paths
339 * - Used: @c bkpinfo->prefix
340 * - Used: @c bkpinfo->isodir
341 * - Used: @c bkpinfo->manual_cd_tray
342 * - Used: @c bkpinfo->make_cd_use_lilo
343 * - Used: @c bkpinfo->media_device
344 * - Used: @c bkpinfo->nfs_mount
345 * - Used: @c bkpinfo->nonbootable_backup
346 * - Used: @c bkpinfo->scratchdir
347 * - Used: @c bkpinfo->tmpdir
348 * - Used: @c bkpinfo->use_lzo
349 * - Modified: @c bkpinfo->call_before_iso
350 * - Modified: @c bkpinfo->call_make_iso
351 * - Modified: @c bkpinfo->optimal_set_size
352 * - Modified: @c bkpinfo->zip_exe
353 * - Modified: @c bkpinfo->zip_suffix
354 *
355 * @return number of errors, or 0 for success.
356 * @note Also creates directories that are specified in the @c bkpinfo structure but
357 * do not exist.
358 */
359int post_param_configuration(struct s_bkpinfo *bkpinfo)
360{
361 char *extra_cdrom_params = NULL;
362 char *mondo_mkisofs_sz = NULL;
363 char *command;
364 char *hostname, *ip_address;
365 int retval = 0;
366 long avm = 0;
367 char *colon;
368 char *cdr_exe;
369 char *tmp;
370 char *tmp1;
371 int rdsiz_MB;
372 char *iso_path;
373
374 assert(bkpinfo != NULL);
375 bkpinfo->optimal_set_size =
376 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
377 1024;
378
379 log_msg(1, "Foo");
380 if (bkpinfo->backup_media_type == tape) {
381 log_msg(1, "Bar");
382 asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
383 log_msg(1, "tmp = '%s'", tmp);
384 if (run_program_and_log_output(tmp, 3)) {
385 fatal_error
386 ("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.");
387 }
388 paranoid_free(tmp);
389 }
390 make_hole_for_dir(bkpinfo->scratchdir);
391 make_hole_for_dir(bkpinfo->tmpdir);
392 if (bkpinfo->backup_media_type == iso)
393 make_hole_for_dir(bkpinfo->isodir);
394
395 run_program_and_log_output("uname -a", 5);
396 run_program_and_log_output("cat /etc/*issue*", 5);
397 asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
398 asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
399 paranoid_system(command);
400 paranoid_free(command);
401 rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
402#ifdef __FreeBSD__
403 asprintf(&tmp,
404 call_program_and_get_last_line_of_output
405 ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
406 avm += atol(tmp);
407 paranoid_free(tmp);
408 asprintf(&tmp,
409 call_program_and_get_last_line_of_output
410 ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
411 avm += atol(tmp);
412 paranoid_free(tmp);
413 asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
414 g_tmpfs_mountpt);
415#else
416 asprintf(&tmp,
417 call_program_and_get_last_line_of_output
418 ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
419 avm += atol(tmp);
420 paranoid_free(tmp);
421 asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
422 g_tmpfs_mountpt, rdsiz_MB, 'm');
423 run_program_and_log_output("cat /proc/cpuinfo", 5);
424 /* BERLIOS: rpm is not necessarily there ! */
425 run_program_and_log_output
426 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
427 5);
428#endif
429 if (avm / 1024 > rdsiz_MB * 3) {
430 if (run_program_and_log_output(command, 5)) {
431 g_tmpfs_mountpt[0] = '\0';
432 log_it("Failed to mount tmpfs");
433 } else {
434 log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
435 }
436 } else {
437 g_tmpfs_mountpt[0] = '\0';
438 log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
439 }
440 paranoid_free(command);
441
442 if (bkpinfo->use_lzo) {
443 strcpy(bkpinfo->zip_exe, "lzop");
444 strcpy(bkpinfo->zip_suffix, "lzo");
445 } else if (bkpinfo->compression_level != 0) {
446 strcpy(bkpinfo->zip_exe, "bzip2");
447 strcpy(bkpinfo->zip_suffix, "bz2");
448 } else {
449 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
450 }
451
452// DVD
453
454 if (bkpinfo->backup_media_type == dvd) {
455 if (! (find_home_of_exe("growisofs"))) {
456 fatal_error("Please install growisofs.");
457 }
458 if (bkpinfo->nonbootable_backup) {
459 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
460 } else if
461#ifdef __FreeBSD__
462 (TRUE)
463#else
464 (bkpinfo->make_cd_use_lilo)
465#endif
466#ifdef __IA64__
467 {
468 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
469 }
470#else
471 {
472 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
473 }
474#endif
475 else
476 {
477 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
478 }
479 if (bkpinfo->manual_cd_tray) {
480 fatal_error("Manual CD tray + DVD not supported yet.");
481 // -m isn't supported by growisofs, BTW...
482 } else {
483 sprintf(bkpinfo->call_make_iso,
484 "%s %s -Z %s . 2>> _ERR_",
485 mondo_mkisofs_sz,
486 "", bkpinfo->media_device);
487 }
488 paranoid_free(mondo_mkisofs_sz);
489
490 if (getenv("SUDO_COMMAND")) {
491 fatal_error
492 ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
493 }
494 log_msg(2, "call_make_iso (DVD res) is ... %s",
495 bkpinfo->call_make_iso);
496 } // end of DVD code
497
498// CD-R or CD-RW
499 if (bkpinfo->backup_media_type == cdrw
500 || bkpinfo->backup_media_type == cdr) {
501 if (!bkpinfo->manual_cd_tray) {
502 asprintf(&extra_cdrom_params, "-waiti ");
503 }
504 if (bkpinfo->backup_media_type == cdrw) {
505 if (extra_cdrom_params != NULL) {
506 asprintf(&tmp, extra_cdrom_params);
507 paranoid_free(extra_cdrom_params);
508 asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
509 } else {
510 asprintf(&extra_cdrom_params, "blank=fast ");
511 }
512 }
513 if (find_home_of_exe("cdrecord")) {
514 asprintf(&cdr_exe, "cdrecord");
515 } else if (find_home_of_exe("dvdrecord")) {
516 asprintf(&cdr_exe, "dvdrecord");
517 } else {
518 fatal_error("Please install either cdrecord or dvdrecord.");
519 }
520 if (bkpinfo->nonbootable_backup) {
521 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
522 } else if
523#ifdef __FreeBSD__
524 (TRUE)
525#else
526 (bkpinfo->make_cd_use_lilo)
527#endif
528#ifdef __IA64__
529 {
530 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
531 }
532#else
533 {
534 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
535 }
536#endif
537 else
538 {
539 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
540 }
541 if (bkpinfo->manual_cd_tray) {
542 sprintf(bkpinfo->call_before_iso,
543 "%s -o %s/temporary.iso . 2>> _ERR_", mondo_mkisofs_sz,
544 bkpinfo->tmpdir);
545 sprintf(bkpinfo->call_make_iso,
546 "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
547 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
548 extra_cdrom_params, bkpinfo->media_device,
549 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
550 } else {
551 sprintf(bkpinfo->call_make_iso,
552 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
553 mondo_mkisofs_sz, cdr_exe,
554 (bkpinfo->please_dont_eject) ? " " : "-eject",
555 extra_cdrom_params, bkpinfo->media_device,
556 bkpinfo->cdrw_speed);
557 }
558 paranoid_free(mondo_mkisofs_sz);
559 paranoid_free(cdr_exe);
560 paranoid_free(extra_cdrom_params);
561 } // end of CD code
562
563 if (bkpinfo->backup_media_type == iso) {
564
565/* Patch by Conor Daly <conor.daly@met.ie>
566 * 23-june-2004
567 * Break up isodir into iso_mnt and iso_path
568 * These will be used along with iso-dev at restore time
569 * to locate the ISOs where ever they're mounted
570 */
571
572 log_it("isodir = %s", bkpinfo->isodir);
573 asprintf(&command, "df %s | tail -n1 | cut -d' ' -f1",
574 bkpinfo->isodir);
575 log_it("command = %s", command);
576 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
577 paranoid_free(command);
578 log_it("res of it = %s", tmp);
579 asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
580 write_one_liner_data_file(tmp1, tmp);
581 paranoid_free(tmp1);
582
583 asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
584 tmp);
585 paranoid_free(tmp);
586 log_it("command = %s", command);
587 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
588 paranoid_free(command);
589 log_it("res of it = %s", tmp);
590
591 asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
592 write_one_liner_data_file(tmp1, tmp);
593 paranoid_free(tmp1);
594
595 log_it("isomnt: %s, %d", tmp, strlen(tmp));
596 if (strlen(bkpinfo->isodir) < strlen(tmp)) {
597 asprintf(&iso_path,"");
598 } else {
599 asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
600 }
601 paranoid_free(tmp);
602
603 asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
604 write_one_liner_data_file(tmp, iso_path);
605 paranoid_free(tmp);
606 log_it("isodir: %s", iso_path);
607 paranoid_free(iso_path);
608
609/* End patch */
610 } // end of iso code
611
612 if (bkpinfo->backup_media_type == nfs) {
613 asprintf(&hostname, bkpinfo->nfs_mount);
614 colon = strchr(hostname, ':');
615 if (!colon) {
616 log_it("nfs mount doesn't have a colon in it");
617 retval++;
618 } else {
619 struct hostent *hent;
620
621 *colon = '\0';
622 hent = gethostbyname(hostname);
623 if (!hent) {
624 log_it("Can't resolve NFS mount (%s): %s", hostname,
625 hstrerror(h_errno));
626 retval++;
627 } else {
628 asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
629 *((struct in_addr *) hent->
630 h_addr)), strchr(bkpinfo->nfs_mount, ':'));
631 strcpy(bkpinfo->nfs_mount, ip_address);
632 paranoid_free(ip_address);
633 }
634 }
635 store_nfs_config(bkpinfo);
636 paranoid_free(hostname);
637 }
638
639 log_it("Finished processing incoming params");
640 if (retval) {
641 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
642 }
643 asprintf(&tmp, "%s", MONDO_TMPISOS);
644 if (does_file_exist(tmp)) {
645 unlink(tmp);
646 }
647 paranoid_free(tmp);
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 chmod(bkpinfo->tmpdir, 0700);
659 g_backup_media_type = bkpinfo->backup_media_type;
660 return (retval);
661}
662
663
664
665/**
666 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
667 * Seeds the random-number generator, loads important modules, checks the sanity
668 * of the user's Linux distribution, and deletes logfile.
669 * @param bkpinfo The backup information structure. Will be initialized.
670 * @return number of errors (0 for success)
671 */
672int pre_param_configuration(struct s_bkpinfo *bkpinfo)
673{
674 int res = 0;
675
676 make_hole_for_dir(MNT_CDROM);
677 assert(bkpinfo != NULL);
678 srandom((unsigned long) (time(NULL)));
679 insmod_crucial_modules();
680 reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
681 if (bkpinfo->disaster_recovery) {
682 if (!does_nonMS_partition_exist()) {
683 fatal_error
684 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
685 }
686 }
687
688 unlink(MONDO_TRACEFILE);
689 run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
690 if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
691 fprintf(stderr,
692 "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");
693 res++;
694 return (res);
695 }
696 res += some_basic_system_sanity_checks();
697 if (res) {
698 log_it("Your distribution did not pass Mondo's sanity test.");
699 }
700 g_current_media_number = 1;
701 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
702 return (res);
703}
704
705
706
707
708/**
709 * Reset all fields of the backup information structure to a sensible default.
710 * @param bkpinfo The @c bkpinfo to reset.
711 */
712void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
713{
714 int i;
715
716 log_msg(1, "Hi");
717 assert(bkpinfo != NULL);
718 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
719 bkpinfo->manual_cd_tray = FALSE;
720 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
721 bkpinfo->media_device[0] = '\0';
722 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
723 bkpinfo->media_size[i] = -1;
724 }
725 bkpinfo->boot_loader = '\0';
726 bkpinfo->boot_device[0] = '\0';
727 bkpinfo->zip_exe[0] = '\0';
728 bkpinfo->zip_suffix[0] = '\0';
729 bkpinfo->restore_path[0] = '\0';
730 bkpinfo->use_lzo = FALSE;
731 bkpinfo->do_not_compress_these[0] = '\0';
732 bkpinfo->verify_data = FALSE;
733 bkpinfo->backup_data = FALSE;
734 bkpinfo->restore_data = FALSE;
735 bkpinfo->disaster_recovery =
736 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
737 if (bkpinfo->disaster_recovery) {
738 strcpy(bkpinfo->isodir, "/");
739 } else {
740 strcpy(bkpinfo->isodir, "/root/images/mondo");
741 }
742 strcpy(bkpinfo->prefix, "mondorescue");
743
744 bkpinfo->scratchdir[0] = '\0';
745 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
746 sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
747 bkpinfo->optimal_set_size = 0;
748 bkpinfo->backup_media_type = none;
749 strcpy(bkpinfo->include_paths, "/");
750 bkpinfo->exclude_paths[0] = '\0';
751 bkpinfo->call_before_iso[0] = '\0';
752 bkpinfo->call_make_iso[0] = '\0';
753 bkpinfo->call_burn_iso[0] = '\0';
754 bkpinfo->call_after_iso[0] = '\0';
755 bkpinfo->image_devs[0] = '\0';
756 bkpinfo->postnuke_tarball[0] = '\0';
757 bkpinfo->kernel_path[0] = '\0';
758 bkpinfo->nfs_mount[0] = '\0';
759 bkpinfo->nfs_remote_dir[0] = '\0';
760 bkpinfo->wipe_media_first = FALSE;
761 bkpinfo->differential = FALSE;
762 bkpinfo->cdrw_speed = 0;
763// patch by Herman Kuster
764 bkpinfo->differential = 0;
765// patch end
766 bkpinfo->compression_level = 3;
767}
768
769
770
771
772/**
773 * Get the remaining free space (in MB) on @p partition.
774 * @param partition The partition to check free space on (either a device or a mountpoint).
775 * @return The free space on @p partition, in MB.
776 */
777long free_space_on_given_partition(char *partition)
778{
779 char *command, *out_sz;
780 long res;
781
782 assert_string_is_neither_NULL_nor_zerolength(partition);
783
784 asprintf(&command, "df -m %s &> /dev/null", partition);
785 if (system(command)) {
786 return (-1);
787 } // partition does not exist
788 paranoid_free(command);
789
790 asprintf(&command, "df -m %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
791 partition);
792 asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
793 paranoid_free(command);
794 if (strlen(out_sz) == 0) {
795 return (-1);
796 } // error within df, probably
797 res = atol(out_sz);
798 paranoid_free(out_sz);
799 return (res);
800}
801
802
803
804/**
805 * Check the user's system for sanity. Checks performed:
806 * - make sure user has enough RAM (32mb required, 64mb recommended)
807 * - make sure user has enough free space in @c /
808 * - check kernel for ramdisk support
809 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
810 * - make sure CD-ROM is unmounted
811 * - make sure /etc/modules.conf exists
812 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
813 *
814 * @return number of problems with the user's setup (0 for success)
815 */
816int some_basic_system_sanity_checks()
817{
818
819 /*@ buffers ************ */
820 char *tmp;
821
822 /*@ int's *************** */
823 int retval = 0;
824 long Lres;
825
826
827 mvaddstr_and_log_it(g_currentY, 0,
828 "Checking sanity of your Linux distribution");
829#ifndef __FreeBSD__
830 if (system("which mkfs.vfat &> /dev/null")
831 && !system("which mkfs.msdos &> /dev/null")) {
832 log_it
833 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
834 run_program_and_log_output
835 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
836 }
837 asprintf(&tmp,
838 call_program_and_get_last_line_of_output
839 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
840 if (atol(tmp) < 35000) {
841 retval++;
842 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
843 }
844 if (atol(tmp) < 66000) {
845 log_to_screen
846 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
847 }
848 paranoid_free(tmp);
849#endif
850
851 if ((Lres = free_space_on_given_partition("/root")) == -1) {
852 Lres = free_space_on_given_partition("/");
853 }
854 log_it("Free space on given partition = %ld MB", Lres);
855
856 if (Lres < 50) {
857 run_program_and_log_output
858 ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
859 3);
860 // fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
861 }
862
863 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
864 retval++;
865 log_to_screen
866 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
867 fatal_error
868 ("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. :)");
869 }
870#ifndef __FreeBSD__
871 if (run_program_and_log_output
872 ("cat /proc/devices | grep ramdisk", FALSE)) {
873 if (!ask_me_yes_or_no
874 ("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?"))
875 {
876 // retval++;
877 log_to_screen
878 ("It looks as if your kernel lacks ramdisk and initrd support.");
879 log_to_screen
880 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
881 }
882 }
883#endif
884 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
885 retval += whine_if_not_found("mkisofs");
886 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
887 retval += whine_if_not_found("cdrecord");
888 }
889 retval += whine_if_not_found("bzip2");
890 retval += whine_if_not_found("awk");
891 retval += whine_if_not_found("md5sum");
892 retval += whine_if_not_found("strings");
893 retval += whine_if_not_found("mindi");
894 retval += whine_if_not_found("buffer");
895
896 // abort if Windows partition but no ms-sys and parted
897 if (!run_program_and_log_output
898 ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
899 ||
900 !run_program_and_log_output
901 ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
902 log_to_screen("I think you have a Windows 9x partition.");
903 retval += whine_if_not_found("parted");
904#ifndef __IA64__
905 /* IA64 always has one vfat partition for EFI even without Windows */
906 // retval +=
907 if (!find_home_of_exe("ms-sys")) {
908 log_to_screen("Please install ms-sys just in case.");
909 }
910#endif
911 }
912
913 if (!find_home_of_exe("cmp")) {
914 if (!find_home_of_exe("true")) {
915 whine_if_not_found("cmp");
916 } else {
917 log_to_screen
918 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
919 if (run_program_and_log_output
920 ("cp -f `which true` /usr/bin/cmp", 0)) {
921 fatal_error("Failed to create dummy 'cmp' file.");
922 }
923 }
924 }
925 run_program_and_log_output
926 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
927 asprintf(&tmp,
928 call_program_and_get_last_line_of_output
929 ("mount | grep -E \"cdr(om|w)\""));
930 if (strcmp("", tmp)) {
931 if (strstr(tmp, "autofs")) {
932 log_to_screen
933 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
934 log_to_screen
935 ("if a CD actually is inserted. If a CD is inserted, please");
936 log_to_screen("eject it. Thank you.");
937 log_it
938 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
939 } else
940 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
941 retval++;
942 fatal_error
943 ("Your CD-ROM drive is mounted. Please unmount it.");
944 }
945 }
946 paranoid_free(tmp);
947#ifndef __FreeBSD__
948 if (!does_file_exist("/etc/modules.conf")) {
949 if (does_file_exist("/etc/conf.modules")) {
950 log_it("Linking /etc/modules.conf to /etc/conf.modules");
951 run_program_and_log_output
952 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
953 } else if (does_file_exist("/etc/modprobe.d")) {
954 log_it
955 ("Directory /etc/modprobe.d found. mindi will use its contents.");
956 } else if (does_file_exist("/etc/modprobe.conf")) {
957 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
958 run_program_and_log_output
959 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
960 } else {
961 retval++;
962 log_to_screen
963 ("Please find out what happened to /etc/modules.conf");
964 }
965 }
966#endif
967
968 run_program_and_log_output("cat /etc/fstab", 5);
969#ifdef __FreeBSD__
970 run_program_and_log_output("vinum printconfig", 5);
971#else
972 run_program_and_log_output("cat /etc/raidtab", 5);
973#endif
974
975 if (run_program_and_log_output("mindi -V", 1)) {
976 log_to_screen("Could not ascertain mindi's version number.");
977 log_to_screen
978 ("You have not installed Mondo and/or Mindi properly.");
979 log_to_screen("Please uninstall and reinstall them both.");
980 fatal_error("Please reinstall Mondo and Mindi.");
981 }
982 if (run_program_and_log_output
983 ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
984 log_to_screen
985 ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
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
995 if (!run_program_and_log_output("fdisk -l | grep -i raid", 1)
996 && !does_file_exist("/etc/raidtab")) {
997 log_to_screen
998 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
999 create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
1000 }
1001
1002 if (retval) {
1003 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1004 } else {
1005 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1006 }
1007 return (retval);
1008}
1009
1010/**
1011 * Retrieve the line containing @p label from the config file.
1012 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1013 * @param label What to read from the file.
1014 * @param value Where to put it.
1015 * @return 0 for success, 1 for failure.
1016 */
1017int read_cfg_var(char *config_file, char *label, char *value)
1018{
1019 /*@ buffer ****************************************************** */
1020 char *command;
1021 char *tmp;
1022
1023 /*@ end vars *************************************************** */
1024
1025 assert_string_is_neither_NULL_nor_zerolength(config_file);
1026 assert_string_is_neither_NULL_nor_zerolength(label);
1027 if (!does_file_exist(config_file)) {
1028 asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1029 config_file);
1030 log_to_screen(tmp);
1031 paranoid_free(tmp);
1032 value[0] = '\0';
1033 return (1);
1034 } else if (strstr(value, "/dev/") && strstr(value, "t0")
1035 && !strcmp(label, "media-dev")) {
1036 log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1037 label, value);
1038 return (0);
1039 } else {
1040 asprintf(&command, "cat %s | grep \"%s .*\" | cut -d' ' -f2,3,4,5",
1041 config_file, label);
1042 strcpy(value, call_program_and_get_last_line_of_output(command));
1043 paranoid_free(command);
1044 if (strlen(value) == 0) {
1045 return (1);
1046 } else {
1047 return (0);
1048 }
1049 }
1050}
1051
1052
1053
1054/**
1055 * Remount @c supermount if it was unmounted earlier.
1056 */
1057void remount_supermounts_if_necessary()
1058{
1059 if (g_remount_cdrom_at_end) {
1060 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1061 }
1062 if (g_remount_floppy_at_end) {
1063 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1064 }
1065}
1066
1067/**
1068 * Unmount @c supermount if it's mounted.
1069 */
1070void unmount_supermounts_if_necessary()
1071{
1072 if (run_program_and_log_output
1073 ("mount | grep cdrom | grep super", FALSE) == 0) {
1074 g_remount_cdrom_at_end = TRUE;
1075 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1076 }
1077 if (run_program_and_log_output
1078 ("mount | grep floppy | grep super", FALSE) == 0) {
1079 g_remount_floppy_at_end = TRUE;
1080 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1081 }
1082}
1083
1084/**
1085 * Whether we had to stop autofs (if so, restart it at end).
1086 */
1087bool g_autofs_stopped = FALSE;
1088
1089/**
1090 * Path to the autofs initscript ("" if none exists).
1091 */
1092char g_autofs_exe[MAX_STR_LEN];
1093
1094/**
1095 * Autofs initscript in Xandros Linux distribution.
1096 */
1097#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1098
1099/**
1100 * Autofs initscript in most Linux distributions.
1101 */
1102#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1103
1104/**
1105 * If autofs is mounted, stop it (restart at end).
1106 */
1107void stop_autofs_if_necessary()
1108{
1109 char *tmp;
1110
1111 g_autofs_exe[0] = '\0';
1112 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1113 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1114 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1115 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1116 }
1117
1118 if (!g_autofs_exe[0]) {
1119 log_msg(3, "No autofs detected.");
1120 } else {
1121 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1122// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1123 asprintf(&tmp, "%s stop", g_autofs_exe);
1124 if (run_program_and_log_output(tmp, 2)) {
1125 log_it("Failed to stop autofs - I assume it wasn't running");
1126 } else {
1127 g_autofs_stopped = TRUE;
1128 log_it("Stopped autofs OK");
1129 }
1130 paranoid_free(tmp);
1131 }
1132}
1133
1134/**
1135 * If autofs was stopped earlier, restart it.
1136 */
1137void restart_autofs_if_necessary()
1138{
1139 char *tmp;
1140
1141 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1142 log_msg(3, "No autofs detected.");
1143 return;
1144 }
1145 asprintf(&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 paranoid_free(tmp);
1153}
1154
1155
1156/**
1157 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1158 */
1159void mount_boot_if_necessary()
1160{
1161 char *tmp;
1162 char *tmp1;
1163 char *command;
1164
1165 log_msg(1, "Started sub");
1166 log_msg(4, "About to set g_boot_mountpt to \"\"");
1167 asprintf(&g_boot_mountpt, "");
1168 log_msg(4, "Done. Great. Seeting command to something");
1169 asprintf(&command,
1170 "cat /etc/fstab | grep -v \":\" | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1171 log_msg(4, "Cool. Command = '%s'", command);
1172 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1173 paranoid_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 if (strstr(tmp, "LABEL=")) {
1179 if (!run_program_and_log_output("mount /boot", 5)) {
1180 paranoid_free(g_boot_mountpt);
1181 asprintf(&g_boot_mountpt, "/boot");
1182 log_msg(1, "Mounted /boot");
1183 } else {
1184 log_it("...ignored cos it's a label :-)");
1185 }
1186 } else {
1187 asprintf(&command, "mount | grep -w \"%s\"", tmp);
1188 log_msg(3, "command = %s", command);
1189 if (run_program_and_log_output(command, 5)) {
1190 paranoid_free(g_boot_mountpt);
1191 asprintf(&g_boot_mountpt, tmp);
1192 asprintf(&tmp1,
1193 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1194 g_boot_mountpt);
1195 log_it(tmp1);
1196 paranoid_free(tmp1);
1197
1198 asprintf(&tmp1, "mount %s", g_boot_mountpt);
1199 if (run_program_and_log_output(tmp1, 5)) {
1200 paranoid_free(g_boot_mountpt);
1201 asprintf(&g_boot_mountpt, "");
1202 log_msg(1, "Plan B");
1203 if (!run_program_and_log_output("mount /boot", 5)) {
1204 paranoid_free(g_boot_mountpt);
1205 asprintf(&g_boot_mountpt, "/boot");
1206 log_msg(1, "Plan B worked");
1207 } else {
1208 log_msg(1,
1209 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1210 }
1211 }
1212 paranoid_free(tmp1);
1213 }
1214 paranoid_free(command);
1215 }
1216 }
1217 paranoid_free(tmp);
1218 log_msg(1, "Ended sub");
1219}
1220
1221
1222/**
1223 * If we mounted /boot earlier, unmount it.
1224 */
1225void unmount_boot_if_necessary()
1226{
1227 char *tmp;
1228
1229 log_msg(3, "starting");
1230 if (g_boot_mountpt[0]) {
1231 asprintf(&tmp, "umount %s", g_boot_mountpt);
1232 if (run_program_and_log_output(tmp, 5)) {
1233 log_it("WARNING - unable to unmount /boot");
1234 }
1235 paranoid_free(tmp);
1236 }
1237 log_msg(3, "leaving");
1238}
1239
1240
1241
1242/**
1243 * Write a line to a configuration file. Writes a line of the form,
1244 * @c label @c value.
1245 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1246 * @param label What to call this bit of data you're writing.
1247 * @param value The bit of data you're writing.
1248 * @return 0 for success, 1 for failure.
1249 */
1250int write_cfg_var(char *config_file, char *label, char *value)
1251{
1252 /*@ buffers ***************************************************** */
1253 char *command;
1254 char *tempfile;
1255 char *tmp;
1256
1257
1258 /*@ end vars *************************************************** */
1259 assert_string_is_neither_NULL_nor_zerolength(config_file);
1260 assert_string_is_neither_NULL_nor_zerolength(label);
1261 assert(value != NULL);
1262
1263 if (!does_file_exist(config_file)) {
1264 asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1265 config_file);
1266 log_to_screen(tmp);
1267 paranoid_free(tmp);
1268 return (1);
1269 }
1270 asprintf(&tempfile,
1271 call_program_and_get_last_line_of_output
1272 ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1273 if (does_file_exist(config_file)) {
1274 asprintf(&command, "cat %s | grep -vx \"%s .*\" > %s", config_file,
1275 label, tempfile);
1276 paranoid_system(command);
1277 paranoid_free(command);
1278 }
1279 asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1280 paranoid_system(command);
1281 paranoid_free(command);
1282
1283 asprintf(&command, "mv -f %s %s", tempfile, config_file);
1284 paranoid_system(command);
1285 paranoid_free(command);
1286 unlink(tempfile);
1287 paranoid_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 va_start(args, fmt);
1313 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1314 return;
1315 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1316
1317 // add tabs to distinguish log levels
1318 if (debug_level > 0) {
1319 for (i = 1; i < debug_level; i++)
1320 fprintf(fout, "\t");
1321 if (getpid() == g_main_pid)
1322 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1323 nLine);
1324 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1325 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1326 nLine);
1327 else
1328 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1329 szFunction, nLine);
1330 }
1331 vfprintf(fout, fmt, args);
1332
1333 // do not slow down the progran if standard debug level
1334 // must be enabled: if no flush, the log won't be up-to-date if there
1335 // is a segfault
1336 //if (g_dwDebugLevel != 1)
1337
1338 va_end(args);
1339 fprintf(fout, "\n");
1340 paranoid_fclose(fout);
1341 }
1342 depth--;
1343}
1344
1345/**
1346 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1347 */
1348void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1349 ...) = standard_log_debug_msg;
1350
1351
1352/**
1353 * Allocate or free important globals, depending on @p mal.
1354 * @param mal If TRUE, malloc; if FALSE, free.
1355 */
1356void do_libmondo_global_strings_thing(int mal)
1357{
1358 if (mal) {
1359 iamhere("Malloc'ing globals");
1360 malloc_string(g_erase_tmpdir_and_scratchdir);
1361 malloc_string(g_serial_string);
1362 malloc_string(g_magicdev_command);
1363 } else {
1364 iamhere("Freeing globals");
1365 paranoid_free(g_boot_mountpt);
1366 paranoid_free(g_mondo_home);
1367 paranoid_free(g_tmpfs_mountpt);
1368 paranoid_free(g_erase_tmpdir_and_scratchdir);
1369 paranoid_free(g_serial_string);
1370 paranoid_free(g_magicdev_command);
1371 }
1372}
1373
1374/**
1375 * Allocate important globals.
1376 * @see do_libmondo_global_strings_thing
1377 */
1378void malloc_libmondo_global_strings(void)
1379{
1380 do_libmondo_global_strings_thing(1);
1381}
1382
1383/**
1384 * Free important globals.
1385 * @see do_libmondo_global_strings_thing
1386 */
1387void free_libmondo_global_strings(void)
1388{
1389 do_libmondo_global_strings_thing(0);
1390}
1391
1392
1393
1394/**
1395 * Stop @c magicdev if it's running.
1396 * The command used to start it is saved in @p g_magicdev_command.
1397 */
1398void stop_magicdev_if_necessary()
1399{
1400 strcpy(g_magicdev_command,
1401 call_program_and_get_last_line_of_output
1402 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1403 if (g_magicdev_command[0]) {
1404 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1405 paranoid_system("killall magicdev");
1406 }
1407}
1408
1409
1410/**
1411 * Restart magicdev if it was stopped.
1412 */
1413void restart_magicdev_if_necessary()
1414{
1415 char *tmp;
1416
1417 if (g_magicdev_command && g_magicdev_command[0]) {
1418 asprintf(&tmp, "%s &", g_magicdev_command);
1419 paranoid_system(tmp);
1420 paranoid_free(tmp);
1421 }
1422}
1423
1424/* @} - end of utilityGroup */
Note: See TracBrowser for help on using the repository browser.