source: MondoRescue/trunk/mondo/mondo/common/libmondo-tools.c@ 89

Last change on this file since 89 was 89, checked in by bcornec, 18 years ago

merge r87:88 of the 2.04_berlios branch
indent some files
  • Property svn:keywords set to Id
File size: 40.9 KB
Line 
1/* $Id: libmondo-tools.c 89 2005-10-27 20:45:34Z 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 89 2005-10-27 20:45:34Z 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.
44 */
45char *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 $3"); // break to debugger
125#endif
126 break;
127 case 'E': // (E)xit
128 fatal_error("Failed assertion -- see above for details");
129 break; /* "can't get here" */
130 case 'I': // (I)gnore
131 break;
132 /* These next two work as follows:
133 the `default' catches the user's invalid choice and says so;
134 the '\n' catches the newline on the end and prints the prompt again.
135 */
136 case '\n':
137 printf
138 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
139 break;
140 default:
141 is_valid = FALSE;
142 printf("Invalid choice.\n");
143 break;
144 }
145 } while (!is_valid);
146
147 if (ignoring_assertions) {
148 log_it("Ignoring ALL assertions from now on.");
149 } else {
150 log_it("Ignoring assertion: %s", exp);
151 }
152
153 getchar(); // skip \n
154
155#ifndef _XWIN
156 if (!g_text_mode)
157 newtResume();
158#endif
159}
160
161/**
162 * Clean's up users' KDE desktops.
163 * @bug Details about this function are unknown.
164 */
165void clean_up_KDE_desktop_if_necessary(void)
166{
167 char *tmp;
168
169 malloc_string(tmp);
170 strcpy(tmp,
171 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
172file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
173cat $file.old | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
174else { print $0;};}' > $file ; fi ; done");
175 run_program_and_log_output(tmp, 5);
176 paranoid_free(tmp);
177}
178
179
180/**
181 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
182 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
183 *
184 * @param home_sz String to store the home directory ("" if it could not be found).
185 * @return 0 for success, nonzero for failure.
186 */
187int find_and_store_mondoarchives_home(char *home_sz)
188{
189 assert(home_sz != NULL);
190 strcpy(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 strcpy(home_sz,
196 call_program_and_get_last_line_of_output
197 ("find /usr -type d -path '*/mondo/restore-scripts' -follow -maxdepth 3 -printf '%h\n' 2> /dev/null"));
198 }
199 if (home_sz[0] == '\0') {
200 return (1);
201 } else {
202 return (0);
203 }
204}
205
206
207char *get_architecture()
208{
209#ifdef __IA32__
210 return ("i386");
211#endif
212#ifdef __IA64__
213 return ("ia64");
214#endif
215 return ("unknown");
216}
217
218
219
220double get_kernel_version()
221{
222 char *p, tmp[200];
223 double d;
224#ifdef __FreeBSD__
225 // JOSH - FIXME :)
226 d = 5.2; // :-)
227#else
228 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
229 p = strchr(tmp, '.');
230 if (p) {
231 p = strchr(++p, '.');
232 if (p) {
233 while (*p) {
234 *p = *(p + 1);
235 p++;
236 }
237 }
238 }
239// log_msg(1, "tmp = '%s'", tmp);
240 d = atof(tmp);
241#endif
242 log_msg(1, "g_kernel_version = %f", d);
243 return (d);
244}
245
246
247
248
249
250/**
251 * Get the current time.
252 * @return number of seconds since the epoch.
253 */
254long get_time()
255{
256
257#if 0
258
259 /*@ pointers **************************************************** */
260 FILE *fin;
261
262 /*@ buffers ***************************************************** */
263 char incoming[MAX_STR_LEN];
264
265 /*@ end vars **************************************************** */
266
267 if (!(fin = popen("date +%s", "r"))) {
268 log_OS_error("Cannot popen date");
269 return (0);
270 }
271 fgets(incoming, MAX_STR_LEN - 1, fin);
272 paranoid_pclose(fin);
273 return (atol(incoming));
274#else
275 return (long) time((void *) 0);
276#endif
277}
278
279
280
281
282
283
284
285/**
286 * Initialize a RAID volume structure, setting fields to zero. The
287 * actual hard drive is unaffected.
288 *
289 * @param raidrec The RAID volume structure to initialize.
290 * @note This function is system dependent.
291 */
292#ifdef __FreeBSD__
293void initialize_raidrec(struct vinum_volume *raidrec)
294{
295 int i, j;
296 raidrec->volname[0] = '\0';
297 raidrec->plexes = 0;
298 for (i = 0; i < 9; ++i) {
299 raidrec->plex[i].raidlevel = -1;
300 raidrec->plex[i].stripesize = 0;
301 raidrec->plex[i].subdisks = 0;
302 for (j = 0; j < 9; ++j) {
303 strcpy(raidrec->plex[i].sd[j].which_device, "");
304 }
305 }
306}
307#else
308void initialize_raidrec(struct raid_device_record *raidrec)
309{
310 assert(raidrec != NULL);
311 raidrec->raid_device[0] = '\0';
312 raidrec->raid_level = 0;
313 raidrec->chunk_size = 4;
314 raidrec->persistent_superblock = 1;
315 raidrec->data_disks.entries = 0;
316 raidrec->spare_disks.entries = 0;
317 raidrec->parity_disks.entries = 0;
318 raidrec->failed_disks.entries = 0;
319 raidrec->additional_vars.entries = 0;
320}
321#endif
322
323
324
325
326/**
327 * Insert modules that Mondo requires.
328 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
329 * @c msdosfs and @c ext2fs for FreeBSD.
330 */
331void insmod_crucial_modules(void)
332{
333#ifdef __FreeBSD__
334 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
335 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
336#else
337 system("modprobe dos &> /dev/null");
338 system("modprobe fat &> /dev/null");
339 system("modprobe vfat &> /dev/null");
340 // system("modprobe osst &> /dev/null");
341#endif
342}
343
344
345/**
346 * Log a trace message to the trace file.
347 * @bug This function seems orphaned. Please remove.
348 */
349void log_trace(char *o)
350{
351 /*@ pointers **************************************************** */
352 FILE *fout;
353
354 /*@ buffers ***************************************************** */
355 char output[MAX_STR_LEN];
356
357 /*@ int ****************************************************** */
358 int i;
359
360 /*@ end vars *************************************************** */
361
362 if (o[0] == '\0') {
363 return;
364 }
365 strcpy(output, o);
366 i = (int) strlen(output);
367 if (i <= 0) {
368 return;
369 }
370 if (output[i - 1] < 32) {
371 output[i - 1] = '\0';
372 }
373 if (g_text_mode
374 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
375 printf("%s\n", output);
376 }
377
378 fout = fopen(MONDO_TRACEFILE, "a");
379 if (fout) {
380 fprintf(fout, "%s\n", output);
381 paranoid_fclose(fout);
382 } else {
383 log_OS_error("Cannot write to tracefile");
384 }
385}
386
387
388
389
390
391/**
392 * Finish configuring the backup information structure. Call this function
393 * to set the parameters that depend on those that can be given on the command
394 * line.
395 *
396 * @param bkpinfo The backup information structure. Fields modified/used:
397 * - Used: @c bkpinfo->backup_data
398 * - Used: @c bkpinfo->backup_media_type
399 * - Used: @c bkpinfo->cdrw_speed
400 * - Used: @c bkpinfo->compression_level
401 * - Used: @c bkpinfo->include_paths
402 * - Used: @c bkpinfo->prefix
403 * - Used: @c bkpinfo->isodir
404 * - Used: @c bkpinfo->manual_cd_tray
405 * - Used: @c bkpinfo->make_cd_use_lilo
406 * - Used: @c bkpinfo->media_device
407 * - Used: @c bkpinfo->nfs_mount
408 * - Used: @c bkpinfo->nonbootable_backup
409 * - Used: @c bkpinfo->scratchdir
410 * - Used: @c bkpinfo->tmpdir
411 * - Used: @c bkpinfo->use_lzo
412 * - Modified: @c bkpinfo->call_before_iso
413 * - Modified: @c bkpinfo->call_make_iso
414 * - Modified: @c bkpinfo->optimal_set_size
415 * - Modified: @c bkpinfo->zip_exe
416 * - Modified: @c bkpinfo->zip_suffix
417 *
418 * @return number of errors, or 0 for success.
419 * @note Also creates directories that are specified in the @c bkpinfo structure but
420 * do not exist.
421 */
422int post_param_configuration(struct s_bkpinfo *bkpinfo)
423{
424 char *extra_cdrom_params;
425 char *mondo_mkisofs_sz;
426 char *command;
427 char *mtpt;
428 char *hostname, *ip_address;
429 int retval = 0;
430 long avm = 0;
431 char *colon;
432 char *cdr_exe;
433 char *tmp;
434 int rdsiz_MB;
435 char *iso_dev;
436 char *iso_mnt;
437 char *iso_tmp;
438 char *iso_path;
439
440 assert(bkpinfo != NULL);
441 malloc_string(extra_cdrom_params);
442 malloc_string(mondo_mkisofs_sz);
443 malloc_string(command);
444 malloc_string(mtpt);
445 malloc_string(hostname);
446 malloc_string(ip_address);
447 malloc_string(cdr_exe);
448 malloc_string(tmp);
449 malloc_string(iso_dev);
450 malloc_string(iso_mnt);
451 malloc_string(iso_tmp);
452 malloc_string(iso_path);
453 bkpinfo->optimal_set_size =
454 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
455 1024;
456
457 log_msg(1, "Foo");
458 if (bkpinfo->backup_media_type == tape) {
459 log_msg(1, "Bar");
460 sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
461 log_msg(1, "tmp = '%s'", tmp);
462 if (run_program_and_log_output(tmp, 3)) {
463 fatal_error
464 ("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.");
465 }
466 }
467 make_hole_for_dir(bkpinfo->scratchdir);
468 make_hole_for_dir(bkpinfo->tmpdir);
469 if (bkpinfo->backup_media_type == iso)
470 make_hole_for_dir(bkpinfo->isodir);
471
472 run_program_and_log_output("uname -a", 5);
473 run_program_and_log_output("cat /etc/*issue*", 5);
474 sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
475 sprintf(command, "mkdir -p %s", g_tmpfs_mountpt);
476 paranoid_system(command);
477 rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
478#ifdef __FreeBSD__
479 strcpy(tmp,
480 call_program_and_get_last_line_of_output
481 ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
482 avm += atol(tmp);
483 strcpy(tmp,
484 call_program_and_get_last_line_of_output
485 ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
486 avm += atol(tmp);
487 sprintf(command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
488 g_tmpfs_mountpt);
489#else
490 strcpy(tmp,
491 call_program_and_get_last_line_of_output
492 ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
493 avm += atol(tmp);
494 sprintf(command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
495 g_tmpfs_mountpt, rdsiz_MB, 'm');
496 run_program_and_log_output("cat /proc/cpuinfo", 5);
497 run_program_and_log_output
498 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
499 5);
500#endif
501 if (avm / 1024 > rdsiz_MB * 3) {
502 if (run_program_and_log_output(command, 5)) {
503 g_tmpfs_mountpt[0] = '\0';
504 log_it("Failed to mount tmpfs");
505 } else {
506 log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
507 }
508 } else {
509 g_tmpfs_mountpt[0] = '\0';
510 log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
511 }
512
513 if (bkpinfo->use_lzo) {
514 strcpy(bkpinfo->zip_exe, "lzop");
515 strcpy(bkpinfo->zip_suffix, "lzo");
516 } else if (bkpinfo->compression_level != 0) {
517 strcpy(bkpinfo->zip_exe, "bzip2");
518 strcpy(bkpinfo->zip_suffix, "bz2");
519 } else {
520 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
521 }
522
523// DVD
524
525 if (bkpinfo->backup_media_type == dvd) {
526 extra_cdrom_params[0] = '\0';
527 mondo_mkisofs_sz[0] = '\0';
528 if (find_home_of_exe("growisofs")) {
529 strcpy(cdr_exe, "growisofs");
530 } // unlikely to be used
531 else {
532 fatal_error("Please install growisofs.");
533 }
534 if (bkpinfo->nonbootable_backup) {
535 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
536 } else if
537#ifdef __FreeBSD__
538 (TRUE)
539#else
540 (bkpinfo->make_cd_use_lilo)
541#endif
542#ifdef __IA64__
543 {
544 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
545 }
546#else
547 {
548 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
549 }
550#endif
551 else
552 {
553 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
554 }
555 if (bkpinfo->manual_cd_tray) {
556 fatal_error("Manual CD tray + DVD not supported yet.");
557 // -m isn't supported by growisofs, BTW...
558 } else {
559 sprintf(bkpinfo->call_make_iso,
560 "%s %s -Z %s . 2>> _ERR_",
561 mondo_mkisofs_sz,
562 extra_cdrom_params, bkpinfo->media_device);
563 }
564 if (getenv("SUDO_COMMAND")) {
565 fatal_error
566 ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
567 }
568 log_msg(2, "call_make_iso (DVD res) is ... %s",
569 bkpinfo->call_make_iso);
570 } // end of DVD code
571
572// CD-R or CD-RW
573 if (bkpinfo->backup_media_type == cdrw
574 || bkpinfo->backup_media_type == cdr) {
575 extra_cdrom_params[0] = '\0';
576 if (!bkpinfo->manual_cd_tray) {
577 strcat(extra_cdrom_params, "-waiti ");
578 }
579 if (bkpinfo->backup_media_type == cdrw) {
580 strcat(extra_cdrom_params, "blank=fast ");
581 }
582 if (find_home_of_exe("cdrecord")) {
583 strcpy(cdr_exe, "cdrecord");
584 } else if (find_home_of_exe("dvdrecord")) {
585 strcpy(cdr_exe, "dvdrecord");
586 } else {
587 fatal_error("Please install either cdrecord or dvdrecord.");
588 }
589 if (bkpinfo->nonbootable_backup) {
590 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
591 } else if
592#ifdef __FreeBSD__
593 (TRUE)
594#else
595 (bkpinfo->make_cd_use_lilo)
596#endif
597#ifdef __IA64__
598 {
599 strcat(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
600 }
601#else
602 {
603 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
604 }
605#endif
606 else
607 {
608 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
609 }
610 if (bkpinfo->manual_cd_tray) {
611 sprintf(bkpinfo->call_before_iso,
612 "%s -o %s/temporary.iso . 2>> _ERR_", mondo_mkisofs_sz,
613 bkpinfo->tmpdir);
614 sprintf(bkpinfo->call_make_iso,
615 "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
616 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
617 extra_cdrom_params, bkpinfo->media_device,
618 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
619 } else {
620 sprintf(bkpinfo->call_make_iso,
621 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
622 mondo_mkisofs_sz, cdr_exe,
623 (bkpinfo->please_dont_eject) ? " " : "-eject",
624 extra_cdrom_params, bkpinfo->media_device,
625 bkpinfo->cdrw_speed);
626 }
627 } // end of CD code
628
629 /*
630 if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
631 {
632 sprintf (tmp,
633 "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
634 bkpinfo->media_device, bkpinfo->internal_tape_block_size);
635 if (system(tmp))
636 {
637 retval++;
638 fprintf (stderr,
639 "Cannot write to tape device. Is the tape set read-only?\n");
640 }
641 } // end of tape code
642 */
643
644
645 if (bkpinfo->backup_media_type == iso) {
646
647/* Patch by Conor Daly <conor.daly@met.ie>
648 * 23-june-2004
649 * Break up isodir into iso_mnt and iso_path
650 * These will be used along with iso-dev at restore time
651 * to locate the ISOs where ever they're mounted
652 */
653
654 log_it("isodir = %s", bkpinfo->isodir);
655 sprintf(command, "df %s | tail -n1 | cut -d' ' -f1",
656 bkpinfo->isodir);
657 log_it("command = %s", command);
658 log_it("res of it = %s",
659 call_program_and_get_last_line_of_output(command));
660 sprintf(iso_dev, "%s",
661 call_program_and_get_last_line_of_output(command));
662 sprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
663 write_one_liner_data_file(tmp,
664 call_program_and_get_last_line_of_output
665 (command));
666
667 sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
668 iso_dev);
669 log_it("command = %s", command);
670 log_it("res of it = %s",
671 call_program_and_get_last_line_of_output(command));
672 sprintf(iso_mnt, "%s",
673 call_program_and_get_last_line_of_output(command));
674 sprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
675 write_one_liner_data_file(tmp,
676 call_program_and_get_last_line_of_output
677 (command));
678 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
679 sprintf(iso_tmp, "%s", bkpinfo->isodir);
680 if (strlen(iso_tmp) < strlen(iso_mnt)) {
681 iso_path[0] = '\0';
682 } else {
683 sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
684 }
685 sprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
686 write_one_liner_data_file(tmp, iso_path);
687 log_it("isodir: %s", iso_path);
688
689/* End patch */
690 } // end of iso code
691
692 if (bkpinfo->backup_media_type == nfs) {
693 strcpy(hostname, bkpinfo->nfs_mount);
694 colon = strchr(hostname, ':');
695 if (!colon) {
696 log_it("nfs mount doesn't have a colon in it");
697 retval++;
698 } else {
699 struct hostent *hent;
700
701 *colon = '\0';
702 hent = gethostbyname(hostname);
703 if (!hent) {
704 log_it("Can't resolve NFS mount (%s): %s", hostname,
705 hstrerror(h_errno));
706 retval++;
707 } else {
708 strcpy(ip_address, inet_ntoa((struct in_addr)
709 *((struct in_addr *) hent->
710 h_addr)));
711 strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
712 strcpy(bkpinfo->nfs_mount, ip_address);
713 }
714 }
715 store_nfs_config(bkpinfo);
716 }
717
718 log_it("Finished processing incoming params");
719 if (retval) {
720 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
721 }
722 sprintf(tmp, "%s", MONDO_TMPISOS);
723 if (does_file_exist(tmp)) {
724 unlink(tmp);
725 }
726 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
727 log_it("tmpdir or scratchdir are blank/missing");
728 retval++;
729 }
730 if (bkpinfo->include_paths[0] == '\0') {
731 // fatal_error ("Why no backup path?");
732 strcpy(bkpinfo->include_paths, "/");
733 }
734 chmod(bkpinfo->scratchdir, 0700);
735 chmod(bkpinfo->tmpdir, 0700);
736 g_backup_media_type = bkpinfo->backup_media_type;
737 paranoid_free(mtpt);
738 paranoid_free(extra_cdrom_params);
739 paranoid_free(mondo_mkisofs_sz);
740 paranoid_free(command);
741 paranoid_free(hostname);
742 paranoid_free(ip_address);
743 paranoid_free(cdr_exe);
744 paranoid_free(tmp);
745 paranoid_free(iso_dev);
746 paranoid_free(iso_mnt);
747 paranoid_free(iso_tmp);
748 paranoid_free(iso_path);
749 return (retval);
750}
751
752
753
754/**
755 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
756 * Seeds the random-number generator, loads important modules, checks the sanity
757 * of the user's Linux distribution, and deletes logfile.
758 * @param bkpinfo The backup information structure. Will be initialized.
759 * @return number of errors (0 for success)
760 */
761int pre_param_configuration(struct s_bkpinfo *bkpinfo)
762{
763 int res = 0;
764
765 make_hole_for_dir(MNT_CDROM);
766 assert(bkpinfo != NULL);
767 srandom((unsigned long) (time(NULL)));
768 insmod_crucial_modules();
769 reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
770 if (bkpinfo->disaster_recovery) {
771 if (!does_nonMS_partition_exist()) {
772 fatal_error
773 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
774 }
775 }
776
777 unlink(MONDO_TRACEFILE);
778 run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
779 if (find_and_store_mondoarchives_home(g_mondo_home)) {
780 fprintf(stderr,
781 "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");
782 res++;
783 return (res);
784 }
785 res += some_basic_system_sanity_checks();
786 if (res) {
787 log_it("Your distribution did not pass Mondo's sanity test.");
788 }
789 g_current_media_number = 1;
790 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
791 return (res);
792}
793
794
795
796
797/**
798 * Reset all fields of the backup information structure to a sensible default.
799 * @param bkpinfo The @c bkpinfo to reset.
800 */
801void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
802{
803 int i;
804
805 log_msg(1, "Hi");
806 assert(bkpinfo != NULL);
807 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
808 bkpinfo->manual_cd_tray = FALSE;
809 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
810 bkpinfo->media_device[0] = '\0';
811 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
812 bkpinfo->media_size[i] = -1;
813 }
814 bkpinfo->boot_loader = '\0';
815 bkpinfo->boot_device[0] = '\0';
816 bkpinfo->zip_exe[0] = '\0';
817 bkpinfo->zip_suffix[0] = '\0';
818 bkpinfo->restore_path[0] = '\0';
819 bkpinfo->use_lzo = FALSE;
820 bkpinfo->do_not_compress_these[0] = '\0';
821 bkpinfo->verify_data = FALSE;
822 bkpinfo->backup_data = FALSE;
823 bkpinfo->restore_data = FALSE;
824 bkpinfo->disaster_recovery =
825 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
826 if (bkpinfo->disaster_recovery) {
827 strcpy(bkpinfo->isodir, "/");
828 } else {
829 strcpy(bkpinfo->isodir, "/root/images/mondo");
830 }
831 strcpy(bkpinfo->prefix, "mondorescue");
832
833 bkpinfo->scratchdir[0] = '\0';
834 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
835 sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
836 bkpinfo->optimal_set_size = 0;
837 bkpinfo->backup_media_type = none;
838 strcpy(bkpinfo->include_paths, "/");
839 bkpinfo->exclude_paths[0] = '\0';
840 bkpinfo->call_before_iso[0] = '\0';
841 bkpinfo->call_make_iso[0] = '\0';
842 bkpinfo->call_burn_iso[0] = '\0';
843 bkpinfo->call_after_iso[0] = '\0';
844 bkpinfo->image_devs[0] = '\0';
845 bkpinfo->postnuke_tarball[0] = '\0';
846 bkpinfo->kernel_path[0] = '\0';
847 bkpinfo->nfs_mount[0] = '\0';
848 bkpinfo->nfs_remote_dir[0] = '\0';
849 bkpinfo->wipe_media_first = FALSE;
850 bkpinfo->differential = FALSE;
851 bkpinfo->cdrw_speed = 0;
852// patch by Herman Kuster
853 bkpinfo->differential = 0;
854// patch end
855 bkpinfo->compression_level = 3;
856}
857
858
859
860
861/**
862 * Get the remaining free space (in MB) on @p partition.
863 * @param partition The partition to check free space on (either a device or a mountpoint).
864 * @return The free space on @p partition, in MB.
865 */
866long free_space_on_given_partition(char *partition)
867{
868 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
869 long res;
870
871 assert_string_is_neither_NULL_nor_zerolength(partition);
872
873 sprintf(command, "df -m %s &> /dev/null", partition);
874 if (system(command)) {
875 return (-1);
876 } // partition does not exist
877 sprintf(command, "df -m %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
878 partition);
879 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
880 if (strlen(out_sz) == 0) {
881 return (-1);
882 } // error within df, probably
883 res = atol(out_sz);
884 return (res);
885}
886
887
888
889/**
890 * Check the user's system for sanity. Checks performed:
891 * - make sure user has enough RAM (32mb required, 64mb recommended)
892 * - make sure user has enough free space in @c /
893 * - check kernel for ramdisk support
894 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
895 * - make sure CD-ROM is unmounted
896 * - make sure /etc/modules.conf exists
897 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
898 *
899 * @return number of problems with the user's setup (0 for success)
900 */
901int some_basic_system_sanity_checks()
902{
903
904 /*@ buffers ************ */
905 char tmp[MAX_STR_LEN];
906 // char command[MAX_STR_LEN];
907
908 /*@ int's *************** */
909 int retval = 0;
910 long Lres;
911
912
913 mvaddstr_and_log_it(g_currentY, 0,
914 "Checking sanity of your Linux distribution");
915#ifndef __FreeBSD__
916 if (system("which mkfs.vfat &> /dev/null")
917 && !system("which mkfs.msdos &> /dev/null")) {
918 log_it
919 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
920 run_program_and_log_output
921 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
922 }
923 strcpy(tmp,
924 call_program_and_get_last_line_of_output
925 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
926 if (atol(tmp) < 35000) {
927 retval++;
928 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
929 }
930 if (atol(tmp) < 66000) {
931 log_to_screen
932 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
933 }
934#endif
935
936 if ((Lres = free_space_on_given_partition("/root")) == -1) {
937 Lres = free_space_on_given_partition("/");
938 }
939 log_it("Free space on given partition = %ld MB", Lres);
940
941 if (Lres < 50) {
942 run_program_and_log_output
943 ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
944 3);
945 // fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
946 }
947
948 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
949 retval++;
950 log_to_screen
951 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
952 fatal_error
953 ("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. :)");
954 }
955#ifndef __FreeBSD__
956 if (run_program_and_log_output
957 ("cat /proc/devices | grep ramdisk", FALSE)) {
958 if (!ask_me_yes_or_no
959 ("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?"))
960 {
961 // retval++;
962 log_to_screen
963 ("It looks as if your kernel lacks ramdisk and initrd support.");
964 log_to_screen
965 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
966 }
967 }
968#endif
969 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
970 retval += whine_if_not_found("mkisofs");
971 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
972 retval += whine_if_not_found("cdrecord");
973 }
974 retval += whine_if_not_found("bzip2");
975 retval += whine_if_not_found("awk");
976 retval += whine_if_not_found("md5sum");
977 retval += whine_if_not_found("strings");
978 retval += whine_if_not_found("mindi");
979 retval += whine_if_not_found("buffer");
980
981 // abort if Windows partition but no ms-sys and parted
982 if (!run_program_and_log_output
983 ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
984 ||
985 !run_program_and_log_output
986 ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
987 log_to_screen("I think you have a Windows 9x partition.");
988 retval += whine_if_not_found("parted");
989#ifndef __IA64__
990 /* IA64 always has one vfat partition for EFI even without Windows */
991 // retval +=
992 if (!find_home_of_exe("ms-sys")) {
993 log_to_screen("Please install ms-sys just in case.");
994 }
995#endif
996 }
997
998 if (!find_home_of_exe("cmp")) {
999 if (!find_home_of_exe("true")) {
1000 whine_if_not_found("cmp");
1001 } else {
1002 log_to_screen
1003 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
1004 if (run_program_and_log_output
1005 ("cp -f `which true` /usr/bin/cmp", 0)) {
1006 fatal_error("Failed to create dummy 'cmp' file.");
1007 }
1008 }
1009 }
1010 run_program_and_log_output
1011 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
1012 strcpy(tmp,
1013 call_program_and_get_last_line_of_output
1014 ("mount | grep -E \"cdr(om|w)\""));
1015 if (strcmp("", tmp)) {
1016 if (strstr(tmp, "autofs")) {
1017 log_to_screen
1018 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
1019 log_to_screen
1020 ("if a CD actually is inserted. If a CD is inserted, please");
1021 log_to_screen("eject it. Thank you.");
1022 log_it
1023 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1024 } else
1025 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1026 retval++;
1027 fatal_error
1028 ("Your CD-ROM drive is mounted. Please unmount it.");
1029 }
1030 }
1031#ifndef __FreeBSD__
1032 if (!does_file_exist("/etc/modules.conf")) {
1033 if (does_file_exist("/etc/conf.modules")) {
1034 log_it("Linking /etc/modules.conf to /etc/conf.modules");
1035 run_program_and_log_output
1036 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
1037 } else if (does_file_exist("/etc/modprobe.d")) {
1038 log_it
1039 ("Directory /etc/modprobe.d found. mindi will use its contents.");
1040 } else if (does_file_exist("/etc/modprobe.conf")) {
1041 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
1042 run_program_and_log_output
1043 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
1044 } else {
1045 retval++;
1046 log_to_screen
1047 ("Please find out what happened to /etc/modules.conf");
1048 }
1049 }
1050#endif
1051
1052 run_program_and_log_output("cat /etc/fstab", 5);
1053#ifdef __FreeBSD__
1054 run_program_and_log_output("vinum printconfig", 5);
1055#else
1056 run_program_and_log_output("cat /etc/raidtab", 5);
1057#endif
1058
1059 if (run_program_and_log_output("mindi -V", 1)) {
1060 log_to_screen("Could not ascertain mindi's version number.");
1061 log_to_screen
1062 ("You have not installed Mondo and/or Mindi properly.");
1063 log_to_screen("Please uninstall and reinstall them both.");
1064 fatal_error("Please reinstall Mondo and Mindi.");
1065 }
1066 if (run_program_and_log_output
1067 ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
1068 log_to_screen
1069 ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
1070 log_to_screen
1071 ("Please run that command by hand and examine /var/log/mindi.log");
1072 log_to_screen
1073 ("for more information. Perhaps your /etc/fstab file is insane.");
1074 log_to_screen
1075 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1076 retval++;
1077 }
1078
1079 if (!run_program_and_log_output("fdisk -l | grep -i raid", 1)
1080 && !does_file_exist("/etc/raidtab")) {
1081 log_to_screen
1082 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1083 create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
1084 }
1085
1086 if (retval) {
1087 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1088 } else {
1089 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1090 }
1091 return (retval);
1092}
1093
1094/**
1095 * Retrieve the line containing @p label from the config file.
1096 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1097 * @param label What to read from the file.
1098 * @param value Where to put it.
1099 * @return 0 for success, 1 for failure.
1100 */
1101int read_cfg_var(char *config_file, char *label, char *value)
1102{
1103 /*@ buffer ****************************************************** */
1104 char command[MAX_STR_LEN * 2];
1105 char tmp[MAX_STR_LEN];
1106
1107 /*@ end vars *************************************************** */
1108
1109 assert_string_is_neither_NULL_nor_zerolength(config_file);
1110 assert_string_is_neither_NULL_nor_zerolength(label);
1111 if (!does_file_exist(config_file)) {
1112 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1113 config_file);
1114 log_to_screen(tmp);
1115 value[0] = '\0';
1116 return (1);
1117 } else if (strstr(value, "/dev/") && strstr(value, "t0")
1118 && !strcmp(label, "media-dev")) {
1119 log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1120 label, value);
1121 return (0);
1122 } else {
1123 sprintf(command, "cat %s | grep \"%s .*\" | cut -d' ' -f2,3,4,5",
1124 config_file, label);
1125 strcpy(value, call_program_and_get_last_line_of_output(command));
1126 if (strlen(value) == 0) {
1127 return (1);
1128 } else {
1129 return (0);
1130 }
1131 }
1132}
1133
1134
1135
1136/**
1137 * Remount @c supermount if it was unmounted earlier.
1138 */
1139void remount_supermounts_if_necessary()
1140{
1141 if (g_remount_cdrom_at_end) {
1142 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1143 }
1144 if (g_remount_floppy_at_end) {
1145 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1146 }
1147}
1148
1149/**
1150 * Unmount @c supermount if it's mounted.
1151 */
1152void unmount_supermounts_if_necessary()
1153{
1154 if (run_program_and_log_output
1155 ("mount | grep cdrom | grep super", FALSE) == 0) {
1156 g_remount_cdrom_at_end = TRUE;
1157 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1158 }
1159 if (run_program_and_log_output
1160 ("mount | grep floppy | grep super", FALSE) == 0) {
1161 g_remount_floppy_at_end = TRUE;
1162 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1163 }
1164}
1165
1166/**
1167 * Whether we had to stop autofs (if so, restart it at end).
1168 */
1169bool g_autofs_stopped = FALSE;
1170
1171/**
1172 * Path to the autofs initscript ("" if none exists).
1173 */
1174char g_autofs_exe[MAX_STR_LEN];
1175
1176/**
1177 * Autofs initscript in Xandros Linux distribution.
1178 */
1179#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1180
1181/**
1182 * Autofs initscript in most Linux distributions.
1183 */
1184#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1185
1186/**
1187 * If autofs is mounted, stop it (restart at end).
1188 */
1189void stop_autofs_if_necessary()
1190{
1191 char tmp[MAX_STR_LEN];
1192
1193 g_autofs_exe[0] = '\0';
1194 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1195 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1196 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1197 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1198 }
1199
1200 if (!g_autofs_exe[0]) {
1201 log_msg(3, "No autofs detected.");
1202 } else {
1203 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1204// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1205 sprintf(tmp, "%s stop", g_autofs_exe);
1206 if (run_program_and_log_output(tmp, 2)) {
1207 log_it("Failed to stop autofs - I assume it wasn't running");
1208 } else {
1209 g_autofs_stopped = TRUE;
1210 log_it("Stopped autofs OK");
1211 }
1212 }
1213}
1214
1215/**
1216 * If autofs was stopped earlier, restart it.
1217 */
1218void restart_autofs_if_necessary()
1219{
1220 char tmp[MAX_STR_LEN];
1221
1222 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1223 log_msg(3, "No autofs detected.");
1224 return;
1225 }
1226 sprintf(tmp, "%s start", g_autofs_exe);
1227 if (run_program_and_log_output(tmp, 2)) {
1228 log_it("Failed to start autofs");
1229 } else {
1230 g_autofs_stopped = FALSE;
1231 log_it("Started autofs OK");
1232 }
1233}
1234
1235
1236/**
1237 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1238 */
1239void mount_boot_if_necessary()
1240{
1241 char tmp[MAX_STR_LEN];
1242 char command[MAX_STR_LEN];
1243
1244 log_msg(1, "Started sub");
1245 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1246 g_boot_mountpt[0] = '\0';
1247 log_msg(4, "Done. Great. Seeting command to something");
1248 strcpy(command,
1249 "cat /etc/fstab | grep -v \":\" | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1250 log_msg(4, "Cool. Command = '%s'", command);
1251 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1252 log_msg(4, "tmp = '%s'", tmp);
1253 if (tmp[0]) {
1254 log_it("/boot is at %s according to /etc/fstab", tmp);
1255 if (strstr(tmp, "LABEL=")) {
1256 if (!run_program_and_log_output("mount /boot", 5)) {
1257 strcpy(g_boot_mountpt, "/boot");
1258 log_msg(1, "Mounted /boot");
1259 } else {
1260 log_it("...ignored cos it's a label :-)");
1261 }
1262 } else {
1263 sprintf(command, "mount | grep -w \"%s\"", tmp);
1264 log_msg(3, "command = %s", command);
1265 if (run_program_and_log_output(command, 5)) {
1266 strcpy(g_boot_mountpt, tmp);
1267 sprintf(tmp,
1268 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1269 g_boot_mountpt);
1270 log_it(tmp);
1271 sprintf(tmp, "mount %s", g_boot_mountpt);
1272 if (run_program_and_log_output(tmp, 5)) {
1273 g_boot_mountpt[0] = '\0';
1274 log_msg(1, "Plan B");
1275 if (!run_program_and_log_output("mount /boot", 5)) {
1276 strcpy(g_boot_mountpt, "/boot");
1277 log_msg(1, "Plan B worked");
1278 } else {
1279 log_msg(1,
1280 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1281 }
1282 }
1283 }
1284 }
1285 }
1286 log_msg(1, "Ended sub");
1287}
1288
1289
1290/**
1291 * If we mounted /boot earlier, unmount it.
1292 */
1293void unmount_boot_if_necessary()
1294{
1295 char tmp[MAX_STR_LEN];
1296
1297 log_msg(3, "starting");
1298 if (g_boot_mountpt[0]) {
1299 sprintf(tmp, "umount %s", g_boot_mountpt);
1300 if (run_program_and_log_output(tmp, 5)) {
1301 log_it("WARNING - unable to unmount /boot");
1302 }
1303 }
1304 log_msg(3, "leaving");
1305}
1306
1307
1308
1309/**
1310 * Write a line to a configuration file. Writes a line of the form,
1311 * @c label @c value.
1312 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1313 * @param label What to call this bit of data you're writing.
1314 * @param value The bit of data you're writing.
1315 * @return 0 for success, 1 for failure.
1316 */
1317int write_cfg_var(char *config_file, char *label, char *value)
1318{
1319 /*@ buffers ***************************************************** */
1320 char command[MAX_STR_LEN * 2];
1321 char tempfile[MAX_STR_LEN];
1322 char tmp[MAX_STR_LEN];
1323
1324
1325 /*@ end vars *************************************************** */
1326 assert_string_is_neither_NULL_nor_zerolength(config_file);
1327 assert_string_is_neither_NULL_nor_zerolength(label);
1328 assert(value != NULL);
1329 if (!does_file_exist(config_file)) {
1330 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1331 config_file);
1332 log_to_screen(tmp);
1333 return (1);
1334 }
1335 strcpy(tempfile,
1336 call_program_and_get_last_line_of_output
1337 ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1338 if (does_file_exist(config_file)) {
1339 sprintf(command, "cat %s | grep -vx \"%s .*\" > %s", config_file,
1340 label, tempfile);
1341 paranoid_system(command);
1342 }
1343 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1344 paranoid_system(command);
1345 sprintf(command, "mv -f %s %s", tempfile, config_file);
1346 paranoid_system(command);
1347 unlink(tempfile);
1348 return (0);
1349}
1350
1351
1352/**
1353 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1354 * information to the logfile.
1355 */
1356void standard_log_debug_msg(int debug_level, const char *szFile,
1357 const char *szFunction, int nLine,
1358 const char *fmt, ...)
1359{
1360 va_list args;
1361 int i;
1362 static int depth = 0;
1363 char *tmp;
1364 FILE *fout;
1365
1366 if (depth > 5) {
1367 depth--;
1368 return;
1369 }
1370 depth++;
1371
1372 malloc_string(tmp);
1373
1374 if (debug_level <= g_loglevel) {
1375 va_start(args, fmt);
1376 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1377 return;
1378 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1379
1380 // add tabs to distinguish log levels
1381 if (debug_level > 0) {
1382 for (i = 1; i < debug_level; i++)
1383 fprintf(fout, "\t");
1384 if (getpid() == g_main_pid)
1385 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1386 nLine);
1387 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1388 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1389 nLine);
1390 else
1391 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1392 szFunction, nLine);
1393 }
1394 vfprintf(fout, fmt, args);
1395
1396 // do not slow down the progran if standard debug level
1397 // must be enabled: if no flush, the log won't be up-to-date if there
1398 // is a segfault
1399 //if (g_dwDebugLevel != 1)
1400
1401 va_end(args);
1402 fprintf(fout, "\n");
1403 paranoid_fclose(fout);
1404 }
1405 depth--;
1406 paranoid_free(tmp);
1407}
1408
1409/**
1410 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1411 */
1412void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1413 ...) = standard_log_debug_msg;
1414
1415
1416/**
1417 * If @p y, malloc @p x, else free @p x.
1418 * @bug This function seems orphaned. Please remove.
1419 */
1420#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1421
1422/**
1423 * Allocate or free important globals, depending on @p mal.
1424 * @param mal If TRUE, malloc; if FALSE, free.
1425 */
1426void do_libmondo_global_strings_thing(int mal)
1427{
1428 if (mal) {
1429 iamhere("Malloc'ing globals");
1430 malloc_string(g_boot_mountpt);
1431 malloc_string(g_mondo_home);
1432 malloc_string(g_tmpfs_mountpt);
1433 malloc_string(g_erase_tmpdir_and_scratchdir);
1434 malloc_string(g_serial_string);
1435 malloc_string(g_magicdev_command);
1436 } else {
1437 iamhere("Freeing globals");
1438 paranoid_free(g_boot_mountpt);
1439 paranoid_free(g_mondo_home);
1440 paranoid_free(g_tmpfs_mountpt);
1441 paranoid_free(g_erase_tmpdir_and_scratchdir);
1442 paranoid_free(g_serial_string);
1443 paranoid_free(g_magicdev_command);
1444 }
1445
1446 /*
1447 char**list_of_arrays[] = {
1448 &g_boot_mountpt,
1449 &g_mondo_home,
1450 &g_tmpfs_mountpt,
1451 &g_erase_tmpdir_and_scratchdir,
1452 &g_serial_string,
1453 &g_magicdev_command,
1454 NULL};
1455
1456 char**ppcurr;
1457 int i;
1458
1459 for(i=0;list_of_arrays[i];i++)
1460 {
1461 log_msg(5, "Allocating %d", i);
1462 ppcurr = list_of_arrays[i];
1463 if (mal)
1464 { *ppcurr = malloc(MAX_STR_LEN); }
1465 else
1466 {
1467 if (*ppcurr)
1468 {
1469 free(*ppcurr);
1470 }
1471 }
1472 }
1473 log_msg(5, "Returning");
1474 */
1475}
1476
1477/**
1478 * Allocate important globals.
1479 * @see do_libmondo_global_strings_thing
1480 */
1481void malloc_libmondo_global_strings(void)
1482{
1483 do_libmondo_global_strings_thing(1);
1484}
1485
1486/**
1487 * Free important globals.
1488 * @see do_libmondo_global_strings_thing
1489 */
1490void free_libmondo_global_strings(void)
1491{
1492 do_libmondo_global_strings_thing(0);
1493}
1494
1495
1496
1497/**
1498 * Stop @c magicdev if it's running.
1499 * The command used to start it is saved in @p g_magicdev_command.
1500 */
1501void stop_magicdev_if_necessary()
1502{
1503 strcpy(g_magicdev_command,
1504 call_program_and_get_last_line_of_output
1505 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1506 if (g_magicdev_command[0]) {
1507 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1508 paranoid_system("killall magicdev");
1509 }
1510}
1511
1512
1513/**
1514 * Restart magicdev if it was stopped.
1515 */
1516void restart_magicdev_if_necessary()
1517{
1518 char *tmp;
1519
1520 malloc_string(tmp);
1521 if (g_magicdev_command && g_magicdev_command[0]) {
1522 sprintf(tmp, "%s &", g_magicdev_command);
1523 paranoid_system(tmp);
1524 }
1525 paranoid_free(tmp);
1526}
1527
1528/* @} - end of utilityGroup */
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