source: MondoRescue/branches/stable/mondo/src/common/libmondo-tools.c@ 1075

Last change on this file since 1075 was 1075, checked in by Bruno Cornec, 17 years ago

Improvements for USB support in mindi when called from mondo
Changelogs in C files removed from common
  • Property svn:keywords set to Id
File size: 40.8 KB
Line 
1/* libmondo-tools.c misc tools
2 $Id: libmondo-tools.c 1075 2007-01-25 15:18:59Z 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 "mondostructures.h"
13#include "lib-common-externs.h"
14#include "libmondo-tools.h"
15#include "libmondo-gui-EXT.h"
16#include "libmondo-files-EXT.h"
17#include "libmondo-fork-EXT.h"
18#include "libmondo-raid-EXT.h"
19#include <sys/socket.h>
20#include <netdb.h>
21#include <netinet/in.h>
22#include <arpa/inet.h>
23
24/*@unused@*/
25//static char cvsid[] = "$Id: libmondo-tools.c 1075 2007-01-25 15:18:59Z bruno $";
26
27extern int g_tape_buffer_size_MB;
28extern char *g_erase_tmpdir_and_scratchdir;
29extern char *g_serial_string;
30extern bool g_text_mode;
31extern int g_currentY;
32extern int g_current_media_number;
33
34/**
35 * @addtogroup globalGroup
36 * @{
37 */
38bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
39 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
40bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
41double g_kernel_version;
42
43/**
44 * The place where /boot is mounted.
45 */
46char *g_boot_mountpt = NULL;
47
48/**
49 * The location of Mondo's home directory.
50 */
51char *g_mondo_home = NULL;
52
53/**
54 * The serial string (used to differentiate between backups) of the current backup.
55 */
56char *g_serial_string = NULL;
57
58/**
59 * The location where tmpfs is mounted, or "" if it's not mounted.
60 */
61char *g_tmpfs_mountpt = NULL;
62char *g_magicdev_command = NULL;
63
64/**
65 * The default maximum level to log messages at or below.
66 */
67int g_loglevel = DEFAULT_DEBUG_LEVEL;
68
69/* @} - end of globalGroup */
70
71
72extern pid_t g_buffer_pid;
73extern pid_t g_main_pid;
74
75extern t_bkptype g_backup_media_type;
76
77extern bool am_I_in_disaster_recovery_mode(void);
78
79
80/**
81 * @addtogroup utilityGroup
82 * @{
83 */
84/**
85 * Assertion handler. Prints a friendly message to the user,
86 * offering to ignore all, dump core, break to debugger,
87 * exit, or ignore. Intended to be used with an assert() macro.
88 *
89 * @param file The file in which the assertion triggered.
90 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
91 * @param line The line number of the assert() statement.
92 * @param exp The expression that failed (as a string).
93 */
94void _mondo_assert_fail(const char *file,
95 const char *function, int line, const char *exp)
96{
97 static int ignoring_assertions = 0;
98 bool is_valid = TRUE;
99
100 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
101 function);
102 if (ignoring_assertions) {
103 log_it("Well, the user doesn't care...");
104 return;
105 }
106#ifndef _XWIN
107 if (!g_text_mode)
108 newtSuspend();
109#endif
110 printf("ASSERTION FAILED: `%s'\n", exp);
111 printf("\tat %s:%d in %s\n\n", file, line, function);
112 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
113 do {
114 is_valid = TRUE;
115 switch (toupper(getchar())) {
116 case 'A': // ignore (A)ll
117 ignoring_assertions = 1;
118 break;
119 case 'B': // a(B)ort
120 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
121 raise(SIGABRT);
122 break; /* "can't get here" */
123 case 'D': // (D)ebug, aka asm("int 3")
124#ifdef __IA32__
125 __asm__ __volatile__("int $3"); // break to debugger
126#endif
127 break;
128 case 'E': // (E)xit
129 fatal_error("Failed assertion -- see above for details");
130 break; /* "can't get here" */
131 case 'I': // (I)gnore
132 break;
133 /* These next two work as follows:
134 the `default' catches the user's invalid choice and says so;
135 the '\n' catches the newline on the end and prints the prompt again.
136 */
137 case '\n':
138 printf
139 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
140 break;
141 default:
142 is_valid = FALSE;
143 printf("Invalid choice.\n");
144 break;
145 }
146 } while (!is_valid);
147
148 if (ignoring_assertions) {
149 log_it("Ignoring ALL assertions from now on.");
150 } else {
151 log_it("Ignoring assertion: %s", exp);
152 }
153
154 getchar(); // skip \n
155
156#ifndef _XWIN
157 if (!g_text_mode)
158 newtResume();
159#endif
160}
161
162/**
163 * Clean's up users' KDE desktops.
164 * @bug Details about this function are unknown.
165 */
166void clean_up_KDE_desktop_if_necessary(void)
167{
168 char *tmp;
169
170 malloc_string(tmp);
171 strcpy(tmp,
172 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
173file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
174awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
175else { print $0;};}' $file.old > $file ; fi ; done");
176 run_program_and_log_output(tmp, 5);
177 paranoid_free(tmp);
178}
179
180
181/**
182 * Locate mondoarchive's home directory. Searches in /usr/share/mondo,
183 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
184 *
185 * @param home_sz String to store the home directory ("" if it could not be found).
186 * @return 0 for success, nonzero for failure.
187 */
188int find_and_store_mondoarchives_home(char *home_sz)
189{
190 assert(home_sz != NULL);
191 strcpy(home_sz, MONDO_SHARE);
192 return (0);
193}
194
195
196char *get_architecture()
197{
198#ifdef __IA32__
199 return ("i386");
200#endif
201#ifdef __IA64__
202 return ("ia64");
203#endif
204 return ("unknown");
205}
206
207
208
209double get_kernel_version()
210{
211 char *p, tmp[200];
212 double d;
213#ifdef __FreeBSD__
214 // JOSH - FIXME :)
215 d = 5.2; // :-)
216#else
217 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
218 p = strchr(tmp, '.');
219 if (p) {
220 p = strchr(++p, '.');
221 if (p) {
222 while (*p) {
223 *p = *(p + 1);
224 p++;
225 }
226 }
227 }
228// log_msg(1, "tmp = '%s'", tmp);
229 d = atof(tmp);
230#endif
231 log_msg(1, "g_kernel_version = %f", d);
232 return (d);
233}
234
235
236
237
238
239/**
240 * Get the current time.
241 * @return number of seconds since the epoch.
242 */
243long get_time()
244{
245 return (long) time((void *) 0);
246}
247
248
249
250
251
252
253
254/**
255 * Initialize a RAID volume structure, setting fields to zero. The
256 * actual hard drive is unaffected.
257 *
258 * @param raidrec The RAID volume structure to initialize.
259 * @note This function is system dependent.
260 */
261#ifdef __FreeBSD__
262void initialize_raidrec(struct vinum_volume *raidrec)
263{
264 int i, j;
265 raidrec->volname[0] = '\0';
266 raidrec->plexes = 0;
267 for (i = 0; i < 9; ++i) {
268 raidrec->plex[i].raidlevel = -1;
269 raidrec->plex[i].stripesize = 0;
270 raidrec->plex[i].subdisks = 0;
271 for (j = 0; j < 9; ++j) {
272 strcpy(raidrec->plex[i].sd[j].which_device, "");
273 }
274 }
275}
276#else
277void initialize_raidrec(struct raid_device_record *raidrec)
278{
279 assert(raidrec != NULL);
280 raidrec->raid_device[0] = '\0';
281 raidrec->raid_level = -9;
282 raidrec->persistent_superblock = 1;
283 raidrec->chunk_size = 64;
284 raidrec->parity = -1;
285 raidrec->data_disks.entries = 0;
286 raidrec->spare_disks.entries = 0;
287 raidrec->parity_disks.entries = 0;
288 raidrec->failed_disks.entries = 0;
289 raidrec->additional_vars.entries = 0;
290}
291#endif
292
293
294
295
296/**
297 * Insert modules that Mondo requires.
298 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
299 * @c msdosfs and @c ext2fs for FreeBSD.
300 */
301void insmod_crucial_modules(void)
302{
303#ifdef __FreeBSD__
304 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
305 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
306#else
307 system("modprobe dos &> /dev/null");
308 system("modprobe fat &> /dev/null");
309 system("modprobe vfat &> /dev/null");
310 // system("modprobe osst &> /dev/null");
311#endif
312}
313
314
315/**
316 * Log a trace message to the trace file.
317 * @bug This function seems orphaned. Please remove.
318 */
319void log_trace(char *o)
320{
321 /*@ pointers **************************************************** */
322 FILE *fout;
323
324 /*@ buffers ***************************************************** */
325 char output[MAX_STR_LEN];
326
327 /*@ int ****************************************************** */
328 int i;
329
330 /*@ end vars *************************************************** */
331
332 if (o[0] == '\0') {
333 return;
334 }
335 strcpy(output, o);
336 i = (int) strlen(output);
337 if (i <= 0) {
338 return;
339 }
340 if (output[i - 1] < 32) {
341 output[i - 1] = '\0';
342 }
343 if (g_text_mode
344 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
345 printf("%s\n", output);
346 }
347
348 fout = fopen(MONDO_TRACEFILE, "a");
349 if (fout) {
350 fprintf(fout, "%s\n", output);
351 paranoid_fclose(fout);
352 } else {
353 log_OS_error("Cannot write to tracefile");
354 }
355}
356
357
358
359
360
361/**
362 * Finish configuring the backup information structure. Call this function
363 * to set the parameters that depend on those that can be given on the command
364 * line.
365 *
366 * @param bkpinfo The backup information structure. Fields modified/used:
367 * - Used: @c bkpinfo->backup_data
368 * - Used: @c bkpinfo->backup_media_type
369 * - Used: @c bkpinfo->cdrw_speed
370 * - Used: @c bkpinfo->compression_level
371 * - Used: @c bkpinfo->include_paths
372 * - Used: @c bkpinfo->prefix
373 * - Used: @c bkpinfo->isodir
374 * - Used: @c bkpinfo->manual_cd_tray
375 * - Used: @c bkpinfo->make_cd_use_lilo
376 * - Used: @c bkpinfo->media_device
377 * - Used: @c bkpinfo->nfs_mount
378 * - Used: @c bkpinfo->nonbootable_backup
379 * - Used: @c bkpinfo->scratchdir
380 * - Used: @c bkpinfo->tmpdir
381 * - Used: @c bkpinfo->use_lzo
382 * - Modified: @c bkpinfo->call_before_iso
383 * - Modified: @c bkpinfo->call_make_iso
384 * - Modified: @c bkpinfo->optimal_set_size
385 * - Modified: @c bkpinfo->zip_exe
386 * - Modified: @c bkpinfo->zip_suffix
387 *
388 * @return number of errors, or 0 for success.
389 * @note Also creates directories that are specified in the @c bkpinfo structure but
390 * do not exist.
391 */
392int post_param_configuration(struct s_bkpinfo *bkpinfo)
393{
394 char *extra_cdrom_params;
395 char *mondo_mkisofs_sz;
396 char *command;
397 char *mtpt;
398 char *hostname, *ip_address;
399 int retval = 0;
400 long avm = 0;
401 char *colon;
402 char *cdr_exe;
403 char *tmp;
404 char call_before_iso_user[MAX_STR_LEN] = "\0";
405 int rdsiz_MB;
406 char *iso_dev;
407 char *iso_mnt;
408 char *iso_tmp;
409 char *iso_path;
410
411 assert(bkpinfo != NULL);
412 malloc_string(extra_cdrom_params);
413 malloc_string(mondo_mkisofs_sz);
414 malloc_string(command);
415 malloc_string(mtpt);
416 malloc_string(hostname);
417 malloc_string(ip_address);
418 malloc_string(cdr_exe);
419 malloc_string(tmp);
420 malloc_string(iso_dev);
421 malloc_string(iso_mnt);
422 malloc_string(iso_tmp);
423 malloc_string(iso_path);
424 bkpinfo->optimal_set_size =
425 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
426 1024;
427
428 log_msg(1, "Foo");
429 if (bkpinfo->backup_media_type == tape) {
430 log_msg(1, "Bar");
431 sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
432 log_msg(1, "tmp = '%s'", tmp);
433 if (run_program_and_log_output(tmp, 3)) {
434 fatal_error
435 ("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.");
436 }
437 }
438 make_hole_for_dir(bkpinfo->scratchdir);
439 make_hole_for_dir(bkpinfo->tmpdir);
440 if (bkpinfo->backup_media_type == iso)
441 make_hole_for_dir(bkpinfo->isodir);
442
443 run_program_and_log_output("uname -a", 5);
444 run_program_and_log_output("cat /etc/*-release", 5);
445 run_program_and_log_output("cat /etc/*issue*", 5);
446 sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
447 sprintf(command, "mkdir -p %s", g_tmpfs_mountpt);
448 paranoid_system(command);
449 rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
450#ifdef __FreeBSD__
451 strcpy(tmp,
452 call_program_and_get_last_line_of_output
453 ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
454 avm += atol(tmp);
455 strcpy(tmp,
456 call_program_and_get_last_line_of_output
457 ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
458 avm += atol(tmp);
459 sprintf(command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
460 g_tmpfs_mountpt);
461#else
462 strcpy(tmp,
463 call_program_and_get_last_line_of_output
464 ("free | grep ':' | tr -s ' ' '\t' | cut -f2 | head -n1"));
465 avm += atol(tmp);
466 sprintf(command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
467 g_tmpfs_mountpt, rdsiz_MB, 'm');
468 run_program_and_log_output("cat /proc/cpuinfo", 5);
469 run_program_and_log_output
470 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
471 5);
472#endif
473 if (avm / 1024 > rdsiz_MB * 3) {
474 if (run_program_and_log_output(command, 5)) {
475 g_tmpfs_mountpt[0] = '\0';
476 log_it("Failed to mount tmpfs");
477 } else {
478 log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
479 }
480 } else {
481 g_tmpfs_mountpt[0] = '\0';
482 log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
483 }
484
485 if (bkpinfo->use_lzo) {
486 strcpy(bkpinfo->zip_exe, "lzop");
487 strcpy(bkpinfo->zip_suffix, "lzo");
488 } else if (bkpinfo->use_gzip) {
489 strcpy(bkpinfo->zip_exe, "gzip");
490 strcpy(bkpinfo->zip_suffix, "gz");
491 } else if (bkpinfo->compression_level != 0) {
492 strcpy(bkpinfo->zip_exe, "bzip2");
493 strcpy(bkpinfo->zip_suffix, "bz2");
494 } else {
495 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
496 }
497
498// DVD
499
500 if (bkpinfo->backup_media_type == dvd) {
501 extra_cdrom_params[0] = '\0';
502 mondo_mkisofs_sz[0] = '\0';
503 if (find_home_of_exe("growisofs")) {
504 strcpy(cdr_exe, "growisofs");
505 } // unlikely to be used
506 else {
507 fatal_error("Please install growisofs.");
508 }
509 if (bkpinfo->nonbootable_backup) {
510 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
511 } else if
512#ifdef __FreeBSD__
513 (TRUE)
514#else
515 (bkpinfo->make_cd_use_lilo)
516#endif
517#ifdef __IA64__
518 {
519 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
520 }
521#else
522 {
523 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
524 }
525#endif
526 else
527 {
528 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
529 }
530 if (bkpinfo->manual_cd_tray) {
531 fatal_error("Manual CD tray + DVD not supported yet.");
532 // -m isn't supported by growisofs, BTW...
533 } else {
534 sprintf(bkpinfo->call_make_iso,
535 "%s %s -Z %s . 2>> _ERR_",
536 mondo_mkisofs_sz,
537 extra_cdrom_params, bkpinfo->media_device);
538 }
539 if (getenv ("SUDO_COMMAND")) {
540 sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
541 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
542 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
543 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
544 }
545 }
546 log_msg(2, "call_make_iso (DVD res) is ... %s",
547 bkpinfo->call_make_iso);
548 } // end of DVD code
549
550// CD-R or CD-RW
551 if (bkpinfo->backup_media_type == cdrw
552 || bkpinfo->backup_media_type == cdr) {
553 extra_cdrom_params[0] = '\0';
554 if (!bkpinfo->manual_cd_tray) {
555 strcat(extra_cdrom_params, "-waiti ");
556 }
557 if (bkpinfo->backup_media_type == cdrw) {
558 strcat(extra_cdrom_params, "blank=fast ");
559 }
560 if (find_home_of_exe("cdrecord")) {
561 strcpy(cdr_exe, "cdrecord");
562 } else if (find_home_of_exe("dvdrecord")) {
563 strcpy(cdr_exe, "dvdrecord");
564 } else {
565 fatal_error("Please install either cdrecord or dvdrecord.");
566 }
567 if (bkpinfo->nonbootable_backup) {
568 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
569 } else if
570#ifdef __FreeBSD__
571 (TRUE)
572#else
573 (bkpinfo->make_cd_use_lilo)
574#endif
575#ifdef __IA64__
576 {
577 strcat(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
578 }
579#else
580 {
581 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
582 }
583#endif
584 else
585 {
586 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
587 }
588 if (bkpinfo->manual_cd_tray) {
589 if (bkpinfo->call_before_iso[0] == '\0') {
590 sprintf(bkpinfo->call_before_iso,
591 "%s -o %s/temporary.iso . 2>> _ERR_",
592 mondo_mkisofs_sz, bkpinfo->tmpdir);
593 } else {
594 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
595 sprintf (bkpinfo->call_before_iso,
596 "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
597 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
598 }
599 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
600 sprintf(bkpinfo->call_make_iso,
601 "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
602 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
603 extra_cdrom_params, bkpinfo->media_device,
604 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
605 } else {
606 sprintf(bkpinfo->call_make_iso,
607 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
608 mondo_mkisofs_sz, cdr_exe,
609 (bkpinfo->please_dont_eject) ? " " : "-eject",
610 extra_cdrom_params, bkpinfo->media_device,
611 bkpinfo->cdrw_speed);
612 }
613 } // end of CD code
614
615 /*
616 if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
617 {
618 sprintf (tmp,
619 "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
620 bkpinfo->media_device, bkpinfo->internal_tape_block_size);
621 if (system(tmp))
622 {
623 retval++;
624 fprintf (stderr,
625 "Cannot write to tape device. Is the tape set read-only?\n");
626 }
627 } // end of tape code
628 */
629
630
631 if (bkpinfo->backup_media_type == iso) {
632
633/* Patch by Conor Daly <conor.daly@met.ie>
634 * 23-june-2004
635 * Break up isodir into iso_mnt and iso_path
636 * These will be used along with iso-dev at restore time
637 * to locate the ISOs where ever they're mounted
638 */
639
640 log_it("isodir = %s", bkpinfo->isodir);
641 sprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1",
642 bkpinfo->isodir);
643 log_it("command = %s", command);
644 log_it("res of it = %s",
645 call_program_and_get_last_line_of_output(command));
646 sprintf(iso_dev, "%s",
647 call_program_and_get_last_line_of_output(command));
648 sprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
649 write_one_liner_data_file(tmp,
650 call_program_and_get_last_line_of_output
651 (command));
652
653 sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
654 iso_dev);
655 log_it("command = %s", command);
656 log_it("res of it = %s",
657 call_program_and_get_last_line_of_output(command));
658 sprintf(iso_mnt, "%s",
659 call_program_and_get_last_line_of_output(command));
660 sprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
661 write_one_liner_data_file(tmp,
662 call_program_and_get_last_line_of_output
663 (command));
664 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
665 sprintf(iso_tmp, "%s", bkpinfo->isodir);
666 if (strlen(iso_tmp) < strlen(iso_mnt)) {
667 iso_path[0] = '\0';
668 } else {
669 sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
670 }
671 sprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
672 write_one_liner_data_file(tmp, iso_path);
673 log_it("isodir: %s", iso_path);
674 sprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
675 write_one_liner_data_file(tmp, bkpinfo->prefix);
676 log_it("iso-prefix: %s", bkpinfo->prefix);
677
678/* End patch */
679 } // end of iso code
680
681 if (bkpinfo->backup_media_type == nfs) {
682 strcpy(hostname, bkpinfo->nfs_mount);
683 colon = strchr(hostname, ':');
684 if (!colon) {
685 log_it("nfs mount doesn't have a colon in it");
686 retval++;
687 } else {
688 struct hostent *hent;
689
690 *colon = '\0';
691 hent = gethostbyname(hostname);
692 if (!hent) {
693 log_it("Can't resolve NFS mount (%s): %s", hostname,
694 hstrerror(h_errno));
695 retval++;
696 } else {
697 strcpy(ip_address, inet_ntoa
698 ((struct in_addr)
699 *((struct in_addr *) hent->h_addr)));
700 strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
701 strcpy(bkpinfo->nfs_mount, ip_address);
702 }
703 }
704 store_nfs_config(bkpinfo);
705 }
706
707 log_it("Finished processing incoming params");
708 if (retval) {
709 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
710 }
711 sprintf(tmp, "%s", MONDO_TMPISOS); /* added #define 22 apr 2002 */
712 if (does_file_exist(tmp)) {
713 unlink(tmp);
714 }
715 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
716 log_it("tmpdir or scratchdir are blank/missing");
717 retval++;
718 }
719 if (bkpinfo->include_paths[0] == '\0') {
720 // fatal_error ("Why no backup path?");
721 strcpy(bkpinfo->include_paths, "/");
722 }
723 chmod(bkpinfo->scratchdir, 0700);
724 chmod(bkpinfo->tmpdir, 0700);
725 g_backup_media_type = bkpinfo->backup_media_type;
726 paranoid_free(mtpt);
727 paranoid_free(extra_cdrom_params);
728 paranoid_free(mondo_mkisofs_sz);
729 paranoid_free(command);
730 paranoid_free(hostname);
731 paranoid_free(ip_address);
732 paranoid_free(cdr_exe);
733 paranoid_free(tmp);
734 paranoid_free(iso_dev);
735 paranoid_free(iso_mnt);
736 paranoid_free(iso_tmp);
737 paranoid_free(iso_path);
738 return (retval);
739}
740
741
742
743/**
744 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
745 * Seeds the random-number generator, loads important modules, checks the sanity
746 * of the user's Linux distribution, and deletes logfile.
747 * @param bkpinfo The backup information structure. Will be initialized.
748 * @return number of errors (0 for success)
749 */
750int pre_param_configuration(struct s_bkpinfo *bkpinfo)
751{
752 int res = 0;
753
754 make_hole_for_dir(MNT_CDROM);
755 assert(bkpinfo != NULL);
756 srandom((unsigned long) (time(NULL)));
757 insmod_crucial_modules();
758 reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
759 if (bkpinfo->disaster_recovery) {
760 if (!does_nonMS_partition_exist()) {
761 fatal_error
762 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
763 }
764 }
765
766 unlink(MONDO_TRACEFILE);
767 run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
768 if (find_and_store_mondoarchives_home(g_mondo_home)) {
769 fprintf(stderr,
770 "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");
771 res++;
772 return (res);
773 }
774 res += some_basic_system_sanity_checks();
775 if (res) {
776 log_it("Your distribution did not pass Mondo's sanity test.");
777 }
778 g_current_media_number = 1;
779 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
780 return (res);
781}
782
783
784
785
786/**
787 * Reset all fields of the backup information structure to a sensible default.
788 * @param bkpinfo The @c bkpinfo to reset.
789 */
790void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
791{
792 int i;
793
794 log_msg(1, "Hi");
795 assert(bkpinfo != NULL);
796 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
797 bkpinfo->manual_cd_tray = FALSE;
798 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
799 bkpinfo->media_device[0] = '\0';
800 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
801 bkpinfo->media_size[i] = -1;
802 }
803 bkpinfo->boot_loader = '\0';
804 bkpinfo->boot_device[0] = '\0';
805 bkpinfo->zip_exe[0] = '\0';
806 bkpinfo->zip_suffix[0] = '\0';
807 bkpinfo->restore_path[0] = '\0';
808 bkpinfo->use_lzo = FALSE;
809 bkpinfo->use_gzip = FALSE;
810 bkpinfo->do_not_compress_these[0] = '\0';
811 bkpinfo->verify_data = FALSE;
812 bkpinfo->backup_data = FALSE;
813 bkpinfo->restore_data = FALSE;
814 bkpinfo->disaster_recovery =
815 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
816 if (bkpinfo->disaster_recovery) {
817 strcpy(bkpinfo->isodir, "/");
818 } else {
819 strcpy(bkpinfo->isodir, "/root/images/mondo");
820 }
821 strcpy(bkpinfo->prefix, STD_PREFIX);
822
823 bkpinfo->scratchdir[0] = '\0';
824 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
825 sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
826 bkpinfo->optimal_set_size = 0;
827 bkpinfo->backup_media_type = none;
828 strcpy(bkpinfo->include_paths, "/");
829 bkpinfo->exclude_paths[0] = '\0';
830 bkpinfo->call_before_iso[0] = '\0';
831 bkpinfo->call_make_iso[0] = '\0';
832 bkpinfo->call_burn_iso[0] = '\0';
833 bkpinfo->call_after_iso[0] = '\0';
834 bkpinfo->image_devs[0] = '\0';
835 bkpinfo->postnuke_tarball[0] = '\0';
836 bkpinfo->kernel_path[0] = '\0';
837 bkpinfo->nfs_mount[0] = '\0';
838 bkpinfo->nfs_remote_dir[0] = '\0';
839 bkpinfo->wipe_media_first = FALSE;
840 bkpinfo->differential = FALSE;
841 bkpinfo->cdrw_speed = 0;
842// patch by Herman Kuster
843 bkpinfo->differential = 0;
844// patch end
845 bkpinfo->compression_level = 3;
846}
847
848
849
850
851/**
852 * Get the remaining free space (in MB) on @p partition.
853 * @param partition The partition to check free space on (either a device or a mountpoint).
854 * @return The free space on @p partition, in MB.
855 */
856long free_space_on_given_partition(char *partition)
857{
858 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
859 long res;
860
861 assert_string_is_neither_NULL_nor_zerolength(partition);
862
863 sprintf(command, "df -m -P %s &> /dev/null", partition);
864 if (system(command)) {
865 return (-1);
866 } // partition does not exist
867 sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
868 partition);
869 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
870 if (strlen(out_sz) == 0) {
871 return (-1);
872 } // error within df, probably
873 res = atol(out_sz);
874 return (res);
875}
876
877
878
879/**
880 * Check the user's system for sanity. Checks performed:
881 * - make sure user has enough RAM (32mb required, 64mb recommended)
882 * - make sure user has enough free space in @c /
883 * - check kernel for ramdisk support
884 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
885 * - make sure CD-ROM is unmounted
886 * - make sure /etc/modules.conf exists
887 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
888 *
889 * @return number of problems with the user's setup (0 for success)
890 */
891int some_basic_system_sanity_checks()
892{
893
894 /*@ buffers ************ */
895 char tmp[MAX_STR_LEN];
896 // char command[MAX_STR_LEN];
897
898 /*@ int's *************** */
899 int retval = 0;
900 long Lres;
901
902
903 mvaddstr_and_log_it(g_currentY, 0,
904 "Checking sanity of your Linux distribution");
905#ifndef __FreeBSD__
906 if (system("which mkfs.vfat &> /dev/null")
907 && !system("which mkfs.msdos &> /dev/null")) {
908 log_it
909 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
910 run_program_and_log_output
911 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
912 }
913 strcpy(tmp,
914 call_program_and_get_last_line_of_output
915 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
916 if (atol(tmp) < 35000) {
917 retval++;
918 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
919 }
920 if (atol(tmp) < 66000) {
921 log_to_screen
922 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
923 }
924#endif
925
926 Lres = free_space_on_given_partition("/var/cache");
927 log_it("Free space on given partition = %ld MB", Lres);
928
929 if (Lres < 50) {
930 fatal_error("Your /var/cache partition has <50MB free. Please adjust your partition table to something saner.");
931 }
932
933 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
934 retval++;
935 log_to_screen
936 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
937 fatal_error
938 ("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. :)");
939 }
940#ifndef __FreeBSD__
941 if (run_program_and_log_output
942 ("grep ramdisk /proc/devices", FALSE)) {
943 if (!ask_me_yes_or_no
944 ("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?"))
945 {
946 // retval++;
947 log_to_screen
948 ("It looks as if your kernel lacks ramdisk and initrd support.");
949 log_to_screen
950 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
951 }
952 }
953#endif
954 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
955 retval += whine_if_not_found("mkisofs");
956 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
957 retval += whine_if_not_found("cdrecord");
958 }
959 retval += whine_if_not_found("bzip2");
960 retval += whine_if_not_found("gzip");
961 retval += whine_if_not_found("awk");
962 retval += whine_if_not_found("md5sum");
963 retval += whine_if_not_found("strings");
964 retval += whine_if_not_found("mindi");
965 retval += whine_if_not_found("buffer");
966
967 // abort if Windows partition but no ms-sys and parted
968 if (!run_program_and_log_output
969 ("mount | grep -w vfat | grep -vE \"/dev/fd|nexdisk\"", 0)
970 ||
971 !run_program_and_log_output
972 ("mount | grep -w dos | grep -vE \"/dev/fd|nexdisk\"", 0)) {
973 log_to_screen("I think you have a Windows 9x partition.");
974 retval += whine_if_not_found("parted");
975#ifndef __IA64__
976 /* IA64 always has one vfat partition for EFI even without Windows */
977 // retval +=
978 if (!find_home_of_exe("ms-sys")) {
979 log_to_screen("Please install ms-sys just in case.");
980 }
981#endif
982 }
983
984 if (!find_home_of_exe("cmp")) {
985 if (!find_home_of_exe("true")) {
986 whine_if_not_found("cmp");
987 } else {
988 log_to_screen
989 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
990 if (run_program_and_log_output
991 ("cp -f `which true` /usr/bin/cmp", 0)) {
992 fatal_error("Failed to create dummy 'cmp' file.");
993 }
994 }
995 }
996 run_program_and_log_output
997 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
998 strcpy(tmp,
999 call_program_and_get_last_line_of_output
1000 ("mount | grep -E \"cdr(om|w)\""));
1001 if (strcmp("", tmp)) {
1002 if (strstr(tmp, "autofs")) {
1003 log_to_screen
1004 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
1005 log_to_screen
1006 ("if a CD actually is inserted. If a CD is inserted, please");
1007 log_to_screen("eject it. Thank you.");
1008 log_it
1009 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1010 } else
1011 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1012 retval++;
1013 fatal_error
1014 ("Your CD-ROM drive is mounted. Please unmount it.");
1015 }
1016 }
1017#ifndef __FreeBSD__
1018 if (!does_file_exist("/etc/modules.conf")) {
1019 if (does_file_exist("/etc/conf.modules")) {
1020 log_it("Linking /etc/modules.conf to /etc/conf.modules");
1021 run_program_and_log_output
1022 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
1023 } else if (does_file_exist("/etc/modprobe.d")) {
1024 log_it
1025 ("Directory /etc/modprobe.d found. mindi will use its contents.");
1026 } else if (does_file_exist("/etc/modprobe.conf")) {
1027 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
1028 run_program_and_log_output
1029 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
1030 } else {
1031 retval++;
1032 log_to_screen
1033 ("Please find out what happened to /etc/modules.conf");
1034 }
1035 }
1036#endif
1037
1038 run_program_and_log_output("cat /etc/fstab", 5);
1039#ifdef __FreeBSD__
1040 run_program_and_log_output("vinum printconfig", 5);
1041#else
1042 run_program_and_log_output("cat /etc/raidtab", 5);
1043#endif
1044
1045 if (run_program_and_log_output("mindi -V", 1)) {
1046 log_to_screen("Could not ascertain mindi's version number.");
1047 log_to_screen
1048 ("You have not installed Mondo and/or Mindi properly.");
1049 log_to_screen("Please uninstall and reinstall them both.");
1050 fatal_error("Please reinstall Mondo and Mindi.");
1051 }
1052 if (run_program_and_log_output
1053 ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
1054 log_to_screen
1055 ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
1056 log_to_screen
1057 ("Please run that command by hand and examine /var/log/mindi.log");
1058 log_to_screen
1059 ("for more information. Perhaps your /etc/fstab file is insane.");
1060 log_to_screen
1061 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1062 retval++;
1063 }
1064
1065 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1066 && !does_file_exist("/etc/raidtab")) {
1067 log_to_screen
1068 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1069 create_raidtab_from_mdstat("/etc/raidtab");
1070 }
1071
1072 if (retval) {
1073 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1074 } else {
1075 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1076 }
1077 return (retval);
1078}
1079
1080/**
1081 * Retrieve the line containing @p label from the config file.
1082 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1083 * @param label What to read from the file.
1084 * @param value Where to put it.
1085 * @return 0 for success, 1 for failure.
1086 */
1087int read_cfg_var(char *config_file, char *label, char *value)
1088{
1089 /*@ buffer ****************************************************** */
1090 char command[MAX_STR_LEN * 2];
1091 char tmp[MAX_STR_LEN];
1092
1093 /*@ end vars *************************************************** */
1094
1095 assert_string_is_neither_NULL_nor_zerolength(config_file);
1096 assert_string_is_neither_NULL_nor_zerolength(label);
1097 if (!does_file_exist(config_file)) {
1098 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1099 config_file);
1100 log_to_screen(tmp);
1101 value[0] = '\0';
1102 return (1);
1103 } else if (strstr(value, "/dev/") && strstr(value, "t0")
1104 && !strcmp(label, "media-dev")) {
1105 log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1106 label, value);
1107 return (0);
1108 } else {
1109 sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1110 label, config_file);
1111 strcpy(value, call_program_and_get_last_line_of_output(command));
1112 if (strlen(value) == 0) {
1113 return (1);
1114 } else {
1115 return (0);
1116 }
1117 }
1118}
1119
1120
1121
1122/**
1123 * Remount @c supermount if it was unmounted earlier.
1124 */
1125void remount_supermounts_if_necessary()
1126{
1127 if (g_remount_cdrom_at_end) {
1128 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1129 }
1130 if (g_remount_floppy_at_end) {
1131 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1132 }
1133}
1134
1135/**
1136 * Unmount @c supermount if it's mounted.
1137 */
1138void unmount_supermounts_if_necessary()
1139{
1140 if (run_program_and_log_output
1141 ("mount | grep cdrom | grep super", FALSE) == 0) {
1142 g_remount_cdrom_at_end = TRUE;
1143 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1144 }
1145 if (run_program_and_log_output
1146 ("mount | grep floppy | grep super", FALSE) == 0) {
1147 g_remount_floppy_at_end = TRUE;
1148 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1149 }
1150}
1151
1152/**
1153 * Whether we had to stop autofs (if so, restart it at end).
1154 */
1155bool g_autofs_stopped = FALSE;
1156
1157/**
1158 * Path to the autofs initscript ("" if none exists).
1159 */
1160char g_autofs_exe[MAX_STR_LEN];
1161
1162/**
1163 * Autofs initscript in Xandros Linux distribution.
1164 */
1165#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1166
1167/**
1168 * Autofs initscript in most Linux distributions.
1169 */
1170#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1171
1172/**
1173 * If autofs is mounted, stop it (restart at end).
1174 */
1175void stop_autofs_if_necessary()
1176{
1177 char tmp[MAX_STR_LEN];
1178
1179 g_autofs_exe[0] = '\0';
1180 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1181 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1182 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1183 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1184 }
1185
1186 if (!g_autofs_exe[0]) {
1187 log_msg(3, "No autofs detected.");
1188 } else {
1189 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1190// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1191 sprintf(tmp, "%s stop", g_autofs_exe);
1192 if (run_program_and_log_output(tmp, 2)) {
1193 log_it("Failed to stop autofs - I assume it wasn't running");
1194 } else {
1195 g_autofs_stopped = TRUE;
1196 log_it("Stopped autofs OK");
1197 }
1198 }
1199}
1200
1201/**
1202 * If autofs was stopped earlier, restart it.
1203 */
1204void restart_autofs_if_necessary()
1205{
1206 char tmp[MAX_STR_LEN];
1207
1208 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1209 log_msg(3, "No autofs detected.");
1210 return;
1211 }
1212 sprintf(tmp, "%s start", g_autofs_exe);
1213 if (run_program_and_log_output(tmp, 2)) {
1214 log_it("Failed to start autofs");
1215 } else {
1216 g_autofs_stopped = FALSE;
1217 log_it("Started autofs OK");
1218 }
1219}
1220
1221
1222/**
1223 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1224 */
1225void mount_boot_if_necessary()
1226{
1227 char tmp[MAX_STR_LEN];
1228 char command[MAX_STR_LEN];
1229
1230 log_msg(1, "Started sub");
1231 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1232 g_boot_mountpt[0] = '\0';
1233 log_msg(4, "Done. Great. Seeting command to something");
1234 strcpy(command,
1235 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1236 log_msg(4, "Cool. Command = '%s'", command);
1237 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1238 log_msg(4, "tmp = '%s'", tmp);
1239 if (tmp[0]) {
1240 log_it("/boot is at %s according to /etc/fstab", tmp);
1241 if (strstr(tmp, "LABEL=")) {
1242 if (!run_program_and_log_output("mount /boot", 5)) {
1243 strcpy(g_boot_mountpt, "/boot");
1244 log_msg(1, "Mounted /boot");
1245 } else {
1246 log_it("...ignored cos it's a label :-)");
1247 }
1248 } else {
1249 sprintf(command, "mount | grep -E '^%s'", tmp);
1250 log_msg(3, "command = %s", command);
1251 if (run_program_and_log_output(command, 5)) {
1252 strcpy(g_boot_mountpt, tmp);
1253 sprintf(tmp,
1254 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1255 g_boot_mountpt);
1256 log_it(tmp);
1257 sprintf(tmp, "mount %s", g_boot_mountpt);
1258 if (run_program_and_log_output(tmp, 5)) {
1259 g_boot_mountpt[0] = '\0';
1260 log_msg(1, "Plan B");
1261 if (!run_program_and_log_output("mount /boot", 5)) {
1262 strcpy(g_boot_mountpt, "/boot");
1263 log_msg(1, "Plan B worked");
1264 } else {
1265 log_msg(1,
1266 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1267 }
1268 }
1269 }
1270 }
1271 }
1272 log_msg(1, "Ended sub");
1273}
1274
1275
1276/**
1277 * If we mounted /boot earlier, unmount it.
1278 */
1279void unmount_boot_if_necessary()
1280{
1281 char tmp[MAX_STR_LEN];
1282
1283 log_msg(3, "starting");
1284 if (g_boot_mountpt[0]) {
1285 sprintf(tmp, "umount %s", g_boot_mountpt);
1286 if (run_program_and_log_output(tmp, 5)) {
1287 log_it("WARNING - unable to unmount /boot");
1288 }
1289 }
1290 log_msg(3, "leaving");
1291}
1292
1293
1294
1295/**
1296 * Write a line to a configuration file. Writes a line of the form,
1297 * @c label @c value.
1298 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1299 * @param label What to call this bit of data you're writing.
1300 * @param value The bit of data you're writing.
1301 * @return 0 for success, 1 for failure.
1302 */
1303int write_cfg_var(char *config_file, char *label, char *value)
1304{
1305 /*@ buffers ***************************************************** */
1306 char command[MAX_STR_LEN * 2];
1307 char tempfile[MAX_STR_LEN];
1308 char tmp[MAX_STR_LEN];
1309
1310
1311 /*@ end vars *************************************************** */
1312 assert_string_is_neither_NULL_nor_zerolength(config_file);
1313 assert_string_is_neither_NULL_nor_zerolength(label);
1314 assert(value != NULL);
1315 if (!does_file_exist(config_file)) {
1316 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1317 config_file);
1318 log_to_screen(tmp);
1319 return (1);
1320 }
1321 strcpy(tempfile,
1322 call_program_and_get_last_line_of_output
1323 ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1324 if (does_file_exist(config_file)) {
1325 sprintf(command, "grep -vE '^%s .*$' %s > %s",
1326 label, config_file, tempfile);
1327 paranoid_system(command);
1328 }
1329 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1330 paranoid_system(command);
1331 sprintf(command, "mv -f %s %s", tempfile, config_file);
1332 paranoid_system(command);
1333 unlink(tempfile);
1334 return (0);
1335}
1336
1337
1338/**
1339 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1340 * information to the logfile.
1341 */
1342void standard_log_debug_msg(int debug_level, const char *szFile,
1343 const char *szFunction, int nLine,
1344 const char *fmt, ...)
1345{
1346 va_list args;
1347 int i;
1348 static int depth = 0;
1349 char *tmp;
1350 FILE *fout;
1351
1352 if (depth > 5) {
1353 depth--;
1354 return;
1355 }
1356 depth++;
1357
1358 malloc_string(tmp);
1359
1360 if (debug_level <= g_loglevel) {
1361 va_start(args, fmt);
1362 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1363 return;
1364 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1365
1366 // add tabs to distinguish log levels
1367 if (debug_level > 0) {
1368 for (i = 1; i < debug_level; i++)
1369 fprintf(fout, "\t");
1370 if (getpid() == g_main_pid)
1371 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1372 nLine);
1373 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1374 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1375 nLine);
1376 else
1377 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1378 szFunction, nLine);
1379 }
1380 vfprintf(fout, fmt, args);
1381
1382 // do not slow down the progran if standard debug level
1383 // must be enabled: if no flush, the log won't be up-to-date if there
1384 // is a segfault
1385 //if (g_dwDebugLevel != 1)
1386
1387 va_end(args);
1388 fprintf(fout, "\n");
1389 paranoid_fclose(fout);
1390 }
1391 depth--;
1392 paranoid_free(tmp);
1393}
1394
1395/**
1396 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1397 */
1398void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1399 ...) = standard_log_debug_msg;
1400
1401
1402/**
1403 * If @p y, malloc @p x, else free @p x.
1404 * @bug This function seems orphaned. Please remove.
1405 */
1406#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1407
1408/**
1409 * Allocate or free important globals, depending on @p mal.
1410 * @param mal If TRUE, malloc; if FALSE, free.
1411 */
1412void do_libmondo_global_strings_thing(int mal)
1413{
1414 if (mal) {
1415 iamhere("Malloc'ing globals");
1416 malloc_string(g_boot_mountpt);
1417 malloc_string(g_mondo_home);
1418 malloc_string(g_tmpfs_mountpt);
1419 malloc_string(g_erase_tmpdir_and_scratchdir);
1420 malloc_string(g_serial_string);
1421 malloc_string(g_magicdev_command);
1422 } else {
1423 iamhere("Freeing globals");
1424 paranoid_free(g_boot_mountpt);
1425 paranoid_free(g_mondo_home);
1426 paranoid_free(g_tmpfs_mountpt);
1427 paranoid_free(g_erase_tmpdir_and_scratchdir);
1428 paranoid_free(g_serial_string);
1429 paranoid_free(g_magicdev_command);
1430 }
1431
1432 /*
1433 char**list_of_arrays[] = {
1434 &g_boot_mountpt,
1435 &g_mondo_home,
1436 &g_tmpfs_mountpt,
1437 &g_erase_tmpdir_and_scratchdir,
1438 &g_serial_string,
1439 &g_magicdev_command,
1440 NULL};
1441
1442 char**ppcurr;
1443 int i;
1444
1445 for(i=0;list_of_arrays[i];i++)
1446 {
1447 log_msg(5, "Allocating %d", i);
1448 ppcurr = list_of_arrays[i];
1449 if (mal)
1450 { *ppcurr = malloc(MAX_STR_LEN); }
1451 else
1452 {
1453 if (*ppcurr)
1454 {
1455 free(*ppcurr);
1456 }
1457 }
1458 }
1459 log_msg(5, "Returning");
1460 */
1461}
1462
1463/**
1464 * Allocate important globals.
1465 * @see do_libmondo_global_strings_thing
1466 */
1467void malloc_libmondo_global_strings(void)
1468{
1469 do_libmondo_global_strings_thing(1);
1470}
1471
1472/**
1473 * Free important globals.
1474 * @see do_libmondo_global_strings_thing
1475 */
1476void free_libmondo_global_strings(void)
1477{
1478 do_libmondo_global_strings_thing(0);
1479}
1480
1481
1482
1483/**
1484 * Stop @c magicdev if it's running.
1485 * The command used to start it is saved in @p g_magicdev_command.
1486 */
1487void stop_magicdev_if_necessary()
1488{
1489 strcpy(g_magicdev_command,
1490 call_program_and_get_last_line_of_output
1491 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1492 if (g_magicdev_command[0]) {
1493 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1494 paranoid_system("killall magicdev");
1495 }
1496}
1497
1498
1499/**
1500 * Restart magicdev if it was stopped.
1501 */
1502void restart_magicdev_if_necessary()
1503{
1504 char *tmp;
1505
1506 malloc_string(tmp);
1507 if (g_magicdev_command && g_magicdev_command[0]) {
1508 sprintf(tmp, "%s &", g_magicdev_command);
1509 paranoid_system(tmp);
1510 }
1511 paranoid_free(tmp);
1512}
1513
1514/* @} - end of utilityGroup */
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