source: MondoRescue/trunk/mondo/mondo/common/libmondo-tools.c@ 58

Last change on this file since 58 was 58, checked in by bcornec, 19 years ago

Trunk: This version executes correctly mondoarchive
with the new memory management system (r57 didn't)
  • Property svn:keywords set to Id
File size: 40.7 KB
RevLine 
[58]1/* $Id: libmondo-tools.c 58 2005-10-10 09:22:08Z bcornec $
2misc tools
[1]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@*/
[49]24//static char cvsid[] = "$Id: libmondo-tools.c 58 2005-10-10 09:22:08Z bcornec $";
[1]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 */
[49]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.
[1]40double g_kernel_version;
41
42/**
43 * The place where /boot is mounted.
44 */
[49]45char *g_boot_mountpt = NULL;
[1]46
47/**
48 * The location of Mondo's home directory.
49 */
[49]50char *g_mondo_home = NULL;
[1]51
52/**
53 * The serial string (used to differentiate between backups) of the current backup.
54 */
[49]55char *g_serial_string = NULL;
[1]56
57/**
58 * The location where tmpfs is mounted, or "" if it's not mounted.
59 */
[49]60char *g_tmpfs_mountpt = NULL;
61char *g_magicdev_command = NULL;
[1]62
63/**
64 * The default maximum level to log messages at or below.
65 */
[49]66int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]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 */
[49]93void _mondo_assert_fail(const char *file,
94 const char *function, int line, const char *exp)
[1]95{
[49]96 static int ignoring_assertions = 0;
97 bool is_valid = TRUE;
[1]98
[49]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 }
[1]105#ifndef _XWIN
[49]106 if (!g_text_mode)
107 newtSuspend();
[1]108#endif
[49]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")
[1]123#ifdef __IA32__
[49]124 __asm__ __volatile__("int $3"); // break to debugger
[1]125#endif
[49]126 break;
127 case 'E': // (E)xit
128 fatal_error("Failed assertion -- see above for details");
129 break; /* "can't get here" */
130 case 'I': // (I)gnore
131 break;
132 /* These next two work as follows:
133 the `default' catches the user's invalid choice and says so;
134 the '\n' catches the newline on the end and prints the prompt again.
135 */
136 case '\n':
137 printf
138 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
139 break;
140 default:
141 is_valid = FALSE;
142 printf("Invalid choice.\n");
143 break;
144 }
145 } while (!is_valid);
146
147 if (ignoring_assertions) {
148 log_it("Ignoring ALL assertions from now on.");
149 } else {
150 log_it("Ignoring assertion: %s", exp);
[1]151 }
152
[49]153 getchar(); // skip \n
[1]154
155#ifndef _XWIN
[49]156 if (!g_text_mode)
157 newtResume();
[1]158#endif
159}
160
161/**
162 * Clean's up users' KDE desktops.
163 * @bug Details about this function are unknown.
164 */
165void clean_up_KDE_desktop_if_necessary(void)
166{
[49]167 char *tmp;
[1]168
[49]169 malloc_string(tmp);
170 strcpy(tmp,
171 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]172file=$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");
[49]175 run_program_and_log_output(tmp, 5);
176 paranoid_free(tmp);
[1]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{
[49]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"));
[1]193
[49]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 }
[1]204}
205
206
207char *get_architecture()
208{
209#ifdef __IA32__
[49]210 return ("i386");
[1]211#endif
212#ifdef __IA64__
[49]213 return ("ia64");
[1]214#endif
[49]215 return ("unknown");
[1]216}
217
218
219
220double get_kernel_version()
221{
[49]222 char *p, tmp[200];
223 double d;
[1]224#ifdef __FreeBSD__
[49]225 // JOSH - FIXME :)
226 d = 5.2; // :-)
[1]227#else
[49]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 }
[1]239// log_msg(1, "tmp = '%s'", tmp);
[49]240 d = atof(tmp);
[1]241#endif
[49]242 log_msg(1, "g_kernel_version = %f", d);
243 return (d);
[1]244}
245
246
247
248
249
250/**
251 * Get the current time.
252 * @return number of seconds since the epoch.
253 */
[49]254long get_time()
[1]255{
256
257#if 0
258
[49]259 /*@ pointers **************************************************** */
260 FILE *fin;
[1]261
[49]262 /*@ buffers ***************************************************** */
263 char incoming[MAX_STR_LEN];
[1]264
[49]265 /*@ end vars **************************************************** */
[1]266
[49]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));
[1]274#else
[49]275 return (long) time((void *) 0);
[1]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__
[49]293void initialize_raidrec(struct vinum_volume *raidrec)
[1]294{
[49]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 }
[1]306}
307#else
[49]308void initialize_raidrec(struct raid_device_record *raidrec)
[1]309{
[49]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;
[1]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__
[49]334 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
335 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]336#else
[49]337 system("modprobe dos &> /dev/null");
338 system("modprobe fat &> /dev/null");
339 system("modprobe vfat &> /dev/null");
340 // system("modprobe osst &> /dev/null");
[1]341#endif
342}
343
344
345/**
346 * Log a trace message to the trace file.
347 * @bug This function seems orphaned. Please remove.
348 */
[49]349void log_trace(char *o)
[1]350{
[49]351 /*@ pointers **************************************************** */
352 FILE *fout;
[1]353
[49]354 /*@ buffers ***************************************************** */
355 char output[MAX_STR_LEN];
[1]356
[49]357 /*@ int ****************************************************** */
358 int i;
[1]359
[49]360 /*@ end vars *************************************************** */
[1]361
[49]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 }
[1]377
[49]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 }
[1]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
[20]402 * - Used: @c bkpinfo->prefix
[1]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 */
[49]422int post_param_configuration(struct s_bkpinfo *bkpinfo)
[1]423{
[49]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;
[1]439
[49]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;
[1]456
[49]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 }
[1]466 }
[49]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);
[1]471
[49]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;
[1]478#ifdef __FreeBSD__
[49]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);
[1]489#else
[49]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);
[1]500#endif
[49]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.");
[1]511 }
[49]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';
[1]521 }
522
523// DVD
524
[49]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
[1]537#ifdef __FreeBSD__
[49]538 (TRUE)
[1]539#else
[49]540 (bkpinfo->make_cd_use_lilo)
[1]541#endif
542#ifdef __IA64__
[49]543 {
544 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
545 }
[1]546#else
547 {
[49]548 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]549 }
[49]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 log_msg(2, "call_make_iso (DVD res) is ... %s",
565 bkpinfo->call_make_iso);
566 } // end of DVD code
[1]567
568// CD-R or CD-RW
[49]569 if (bkpinfo->backup_media_type == cdrw
570 || bkpinfo->backup_media_type == cdr) {
571 extra_cdrom_params[0] = '\0';
572 if (!bkpinfo->manual_cd_tray) {
573 strcat(extra_cdrom_params, "-waiti ");
574 }
575 if (bkpinfo->backup_media_type == cdrw) {
576 strcat(extra_cdrom_params, "blank=fast ");
577 }
578 if (find_home_of_exe("cdrecord")) {
579 strcpy(cdr_exe, "cdrecord");
580 } else if (find_home_of_exe("dvdrecord")) {
581 strcpy(cdr_exe, "dvdrecord");
582 } else {
583 fatal_error("Please install either cdrecord or dvdrecord.");
584 }
585 if (bkpinfo->nonbootable_backup) {
586 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
587 } else if
[1]588#ifdef __FreeBSD__
[49]589 (TRUE)
[1]590#else
[49]591 (bkpinfo->make_cd_use_lilo)
[1]592#endif
593#ifdef __IA64__
594 {
[49]595 strcat(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]596 }
[49]597#else
[1]598 {
[49]599 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]600 }
[49]601#endif
602 else
603 {
604 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
605 }
606 if (bkpinfo->manual_cd_tray) {
607 sprintf(bkpinfo->call_before_iso,
608 "%s -o %s/temporary.iso . 2>> _ERR_", mondo_mkisofs_sz,
609 bkpinfo->tmpdir);
610 sprintf(bkpinfo->call_make_iso,
611 "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
612 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
613 extra_cdrom_params, bkpinfo->media_device,
614 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
615 } else {
616 sprintf(bkpinfo->call_make_iso,
617 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
618 mondo_mkisofs_sz, cdr_exe,
619 (bkpinfo->please_dont_eject) ? " " : "-eject",
620 extra_cdrom_params, bkpinfo->media_device,
621 bkpinfo->cdrw_speed);
622 }
623 } // end of CD code
[1]624
[49]625 /*
626 if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
627 {
628 sprintf (tmp,
629 "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
630 bkpinfo->media_device, bkpinfo->internal_tape_block_size);
631 if (system(tmp))
632 {
633 retval++;
634 fprintf (stderr,
635 "Cannot write to tape device. Is the tape set read-only?\n");
636 }
637 } // end of tape code
638 */
[1]639
640
[49]641 if (bkpinfo->backup_media_type == iso) {
642
[1]643/* Patch by Conor Daly <conor.daly@met.ie>
644 * 23-june-2004
645 * Break up isodir into iso_mnt and iso_path
646 * These will be used along with iso-dev at restore time
647 * to locate the ISOs where ever they're mounted
648 */
649
[49]650 log_it("isodir = %s", bkpinfo->isodir);
651 sprintf(command, "df %s | tail -n1 | cut -d' ' -f1",
652 bkpinfo->isodir);
653 log_it("command = %s", command);
654 log_it("res of it = %s",
655 call_program_and_get_last_line_of_output(command));
656 sprintf(iso_dev, "%s",
657 call_program_and_get_last_line_of_output(command));
658 sprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
659 write_one_liner_data_file(tmp,
660 call_program_and_get_last_line_of_output
661 (command));
[1]662
[49]663 sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
664 iso_dev);
665 log_it("command = %s", command);
666 log_it("res of it = %s",
667 call_program_and_get_last_line_of_output(command));
668 sprintf(iso_mnt, "%s",
669 call_program_and_get_last_line_of_output(command));
670 sprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
671 write_one_liner_data_file(tmp,
672 call_program_and_get_last_line_of_output
673 (command));
674 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
675 sprintf(iso_tmp, "%s", bkpinfo->isodir);
676 if (strlen(iso_tmp) < strlen(iso_mnt)) {
677 iso_path[0] = '\0';
678 } else {
679 sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
680 }
681 sprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
682 write_one_liner_data_file(tmp, iso_path);
683 log_it("isodir: %s", iso_path);
[1]684
685/* End patch */
[49]686 } // end of iso code
[1]687
[49]688 if (bkpinfo->backup_media_type == nfs) {
689 strcpy(hostname, bkpinfo->nfs_mount);
690 colon = strchr(hostname, ':');
691 if (!colon) {
692 log_it("nfs mount doesn't have a colon in it");
693 retval++;
694 } else {
695 struct hostent *hent;
[1]696
[49]697 *colon = '\0';
698 hent = gethostbyname(hostname);
699 if (!hent) {
700 log_it("Can't resolve NFS mount (%s): %s", hostname,
701 hstrerror(h_errno));
702 retval++;
703 } else {
704 strcpy(ip_address, inet_ntoa
705 ((struct in_addr)
706 *((struct in_addr *) hent->h_addr)));
707 strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
708 strcpy(bkpinfo->nfs_mount, ip_address);
709 }
710 }
711 }
[1]712
[49]713 log_it("Finished processing incoming params");
714 if (retval) {
715 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
716 }
717 sprintf(tmp, "%s", MONDO_TMPISOS); /* added #define 22 apr 2002 */
718 if (does_file_exist(tmp)) {
719 unlink(tmp);
720 }
721 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
722 log_it("tmpdir or scratchdir are blank/missing");
723 retval++;
724 }
725 if (bkpinfo->include_paths[0] == '\0') {
726 // fatal_error ("Why no backup path?");
727 strcpy(bkpinfo->include_paths, "/");
728 }
729 chmod(bkpinfo->scratchdir, 0700);
730 chmod(bkpinfo->tmpdir, 0700);
731 g_backup_media_type = bkpinfo->backup_media_type;
732 paranoid_free(mtpt);
733 paranoid_free(extra_cdrom_params);
734 paranoid_free(mondo_mkisofs_sz);
735 paranoid_free(command);
736 paranoid_free(hostname);
737 paranoid_free(ip_address);
738 paranoid_free(cdr_exe);
739 paranoid_free(tmp);
740 paranoid_free(iso_dev);
741 paranoid_free(iso_mnt);
742 paranoid_free(iso_tmp);
743 paranoid_free(iso_path);
744 return (retval);
[1]745}
746
747
748
749/**
750 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
751 * Seeds the random-number generator, loads important modules, checks the sanity
752 * of the user's Linux distribution, and deletes logfile.
753 * @param bkpinfo The backup information structure. Will be initialized.
754 * @return number of errors (0 for success)
755 */
756int pre_param_configuration(struct s_bkpinfo *bkpinfo)
757{
[49]758 int res = 0;
[1]759
[49]760 make_hole_for_dir(MNT_CDROM);
761 assert(bkpinfo != NULL);
762 srandom((unsigned long) (time(NULL)));
763 insmod_crucial_modules();
764 reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
765 if (bkpinfo->disaster_recovery) {
766 if (!does_nonMS_partition_exist()) {
767 fatal_error
768 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
769 }
770 }
[1]771
[49]772 unlink(MONDO_TRACEFILE);
773 run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
774 if (find_and_store_mondoarchives_home(g_mondo_home)) {
775 fprintf(stderr,
776 "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");
777 res++;
778 return (res);
779 }
780 res += some_basic_system_sanity_checks();
781 if (res) {
782 log_it("Your distribution did not pass Mondo's sanity test.");
783 }
784 g_current_media_number = 1;
785 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
786 return (res);
[1]787}
788
789
790
791
792/**
793 * Reset all fields of the backup information structure to a sensible default.
794 * @param bkpinfo The @c bkpinfo to reset.
795 */
[49]796void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
[1]797{
[49]798 int i;
[1]799
[49]800 log_msg(1, "Hi");
801 assert(bkpinfo != NULL);
802 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
803 bkpinfo->manual_cd_tray = FALSE;
804 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
805 bkpinfo->media_device[0] = '\0';
806 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
807 bkpinfo->media_size[i] = -1;
808 }
809 bkpinfo->boot_loader = '\0';
810 bkpinfo->boot_device[0] = '\0';
811 bkpinfo->zip_exe[0] = '\0';
812 bkpinfo->zip_suffix[0] = '\0';
813 bkpinfo->restore_path[0] = '\0';
814 bkpinfo->use_lzo = FALSE;
815 bkpinfo->do_not_compress_these[0] = '\0';
816 bkpinfo->verify_data = FALSE;
817 bkpinfo->backup_data = FALSE;
818 bkpinfo->restore_data = FALSE;
819 bkpinfo->disaster_recovery =
820 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
821 if (bkpinfo->disaster_recovery) {
822 strcpy(bkpinfo->isodir, "/");
823 } else {
824 strcpy(bkpinfo->isodir, "/root/images/mondo");
825 }
826 strcpy(bkpinfo->prefix, "mondorescue");
[1]827
[49]828 bkpinfo->scratchdir[0] = '\0';
829 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
830 sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
831 bkpinfo->optimal_set_size = 0;
832 bkpinfo->backup_media_type = none;
833 strcpy(bkpinfo->include_paths, "/");
834 bkpinfo->exclude_paths[0] = '\0';
835 bkpinfo->call_before_iso[0] = '\0';
836 bkpinfo->call_make_iso[0] = '\0';
837 bkpinfo->call_burn_iso[0] = '\0';
838 bkpinfo->call_after_iso[0] = '\0';
839 bkpinfo->image_devs[0] = '\0';
840 bkpinfo->postnuke_tarball[0] = '\0';
841 bkpinfo->kernel_path[0] = '\0';
842 bkpinfo->nfs_mount[0] = '\0';
843 bkpinfo->nfs_remote_dir[0] = '\0';
844 bkpinfo->wipe_media_first = FALSE;
845 bkpinfo->differential = FALSE;
846 bkpinfo->cdrw_speed = 0;
[1]847// patch by Herman Kuster
[49]848 bkpinfo->differential = 0;
[1]849// patch end
[49]850 bkpinfo->compression_level = 3;
[1]851}
852
853
854
855
856/**
857 * Get the remaining free space (in MB) on @p partition.
858 * @param partition The partition to check free space on (either a device or a mountpoint).
859 * @return The free space on @p partition, in MB.
860 */
[49]861long free_space_on_given_partition(char *partition)
[1]862{
[49]863 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
864 long res;
[1]865
[49]866 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]867
[49]868 sprintf(command, "df -m %s &> /dev/null", partition);
869 if (system(command)) {
870 return (-1);
871 } // partition does not exist
872 sprintf(command, "df -m %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
873 partition);
874 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
875 if (strlen(out_sz) == 0) {
876 return (-1);
877 } // error within df, probably
878 res = atol(out_sz);
879 return (res);
[1]880}
881
882
883
884/**
885 * Check the user's system for sanity. Checks performed:
886 * - make sure user has enough RAM (32mb required, 64mb recommended)
887 * - make sure user has enough free space in @c /
888 * - check kernel for ramdisk support
889 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
890 * - make sure CD-ROM is unmounted
891 * - make sure /etc/modules.conf exists
892 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
893 *
894 * @return number of problems with the user's setup (0 for success)
895 */
[49]896int some_basic_system_sanity_checks()
[1]897{
898
[49]899 /*@ buffers ************ */
900 char tmp[MAX_STR_LEN];
901 // char command[MAX_STR_LEN];
[1]902
[49]903 /*@ int's *************** */
904 int retval = 0;
905 long Lres;
[1]906
907
[49]908 mvaddstr_and_log_it(g_currentY, 0,
909 "Checking sanity of your Linux distribution");
[1]910#ifndef __FreeBSD__
[49]911 if (system("which mkfs.vfat &> /dev/null")
912 && !system("which mkfs.msdos &> /dev/null")) {
913 log_it
914 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
915 run_program_and_log_output
916 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
917 }
918 strcpy(tmp,
919 call_program_and_get_last_line_of_output
920 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
921 if (atol(tmp) < 35000) {
922 retval++;
923 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
924 }
925 if (atol(tmp) < 66000) {
926 log_to_screen
927 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
928 }
[1]929#endif
930
[49]931 if ((Lres = free_space_on_given_partition("/root")) == -1) {
932 Lres = free_space_on_given_partition("/");
933 }
934 log_it("Free space on given partition = %ld MB", Lres);
[1]935
[49]936 if (Lres < 50) {
937 run_program_and_log_output
938 ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
939 3);
940 // fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
941 }
[1]942
[49]943 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
944 retval++;
945 log_to_screen
946 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
947 fatal_error
948 ("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. :)");
949 }
[1]950#ifndef __FreeBSD__
[49]951 if (run_program_and_log_output
952 ("cat /proc/devices | grep ramdisk", FALSE)) {
953 if (!ask_me_yes_or_no
954 ("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?"))
955 {
956 // retval++;
957 log_to_screen
958 ("It looks as if your kernel lacks ramdisk and initrd support.");
959 log_to_screen
960 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
961 }
962 }
[1]963#endif
[49]964 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
965 retval += whine_if_not_found("mkisofs");
966 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
967 retval += whine_if_not_found("cdrecord");
968 }
969 retval += whine_if_not_found("bzip2");
970 retval += whine_if_not_found("awk");
971 retval += whine_if_not_found("md5sum");
972 retval += whine_if_not_found("strings");
973 retval += whine_if_not_found("mindi");
974 retval += whine_if_not_found("buffer");
[1]975
[49]976 // abort if Windows partition but no ms-sys and parted
977 if (!run_program_and_log_output
978 ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
979 ||
980 !run_program_and_log_output
981 ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
982 log_to_screen("I think you have a Windows 9x partition.");
983 retval += whine_if_not_found("parted");
[1]984#ifndef __IA64__
[49]985 /* IA64 always has one vfat partition for EFI even without Windows */
986 // retval +=
987 if (!find_home_of_exe("ms-sys")) {
988 log_to_screen("Please install ms-sys just in case.");
989 }
990#endif
[1]991 }
992
[49]993 if (!find_home_of_exe("cmp")) {
994 if (!find_home_of_exe("true")) {
995 whine_if_not_found("cmp");
996 } else {
997 log_to_screen
998 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
999 if (run_program_and_log_output
1000 ("cp -f `which true` /usr/bin/cmp", 0)) {
1001 fatal_error("Failed to create dummy 'cmp' file.");
1002 }
1003 }
[1]1004 }
[49]1005 run_program_and_log_output
1006 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
1007 strcpy(tmp,
1008 call_program_and_get_last_line_of_output
1009 ("mount | grep -E \"cdr(om|w)\""));
1010 if (strcmp("", tmp)) {
1011 if (strstr(tmp, "autofs")) {
1012 log_to_screen
1013 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
1014 log_to_screen
1015 ("if a CD actually is inserted. If a CD is inserted, please");
1016 log_to_screen("eject it. Thank you.");
1017 log_it
1018 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1019 } else
1020 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1021 retval++;
1022 fatal_error
1023 ("Your CD-ROM drive is mounted. Please unmount it.");
1024 }
1025 }
[1]1026#ifndef __FreeBSD__
[49]1027 if (!does_file_exist("/etc/modules.conf")) {
1028 if (does_file_exist("/etc/conf.modules")) {
1029 log_it("Linking /etc/modules.conf to /etc/conf.modules");
1030 run_program_and_log_output
1031 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
1032 } else if (does_file_exist("/etc/modprobe.d")) {
1033 log_it
1034 ("Directory /etc/modprobe.d found. mindi will use its contents.");
1035 } else if (does_file_exist("/etc/modprobe.conf")) {
1036 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
1037 run_program_and_log_output
1038 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
1039 } else {
1040 retval++;
1041 log_to_screen
1042 ("Please find out what happened to /etc/modules.conf");
1043 }
[1]1044 }
1045#endif
1046
[49]1047 run_program_and_log_output("cat /etc/fstab", 5);
[1]1048#ifdef __FreeBSD__
[49]1049 run_program_and_log_output("vinum printconfig", 5);
[1]1050#else
[49]1051 run_program_and_log_output("cat /etc/raidtab", 5);
[1]1052#endif
1053
[49]1054 if (run_program_and_log_output("mindi -V", 1)) {
1055 log_to_screen("Could not ascertain mindi's version number.");
1056 log_to_screen
1057 ("You have not installed Mondo and/or Mindi properly.");
1058 log_to_screen("Please uninstall and reinstall them both.");
1059 fatal_error("Please reinstall Mondo and Mindi.");
1060 }
1061 if (run_program_and_log_output
1062 ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
1063 log_to_screen
1064 ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
1065 log_to_screen
1066 ("Please run that command by hand and examine /var/log/mindi.log");
1067 log_to_screen
1068 ("for more information. Perhaps your /etc/fstab file is insane.");
1069 log_to_screen
1070 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1071 retval++;
1072 }
[1]1073
[49]1074 if (!run_program_and_log_output("fdisk -l | grep -i raid", 1)
1075 && !does_file_exist("/etc/raidtab")) {
1076 log_to_screen
1077 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1078 create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
1079 }
1080
1081 if (retval) {
1082 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1083 } else {
1084 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1085 }
1086 return (retval);
[1]1087}
1088
1089/**
1090 * Retrieve the line containing @p label from the config file.
1091 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1092 * @param label What to read from the file.
1093 * @param value Where to put it.
1094 * @return 0 for success, 1 for failure.
1095 */
[49]1096int read_cfg_var(char *config_file, char *label, char *value)
[1]1097{
[49]1098 /*@ buffer ****************************************************** */
1099 char command[MAX_STR_LEN * 2];
1100 char tmp[MAX_STR_LEN];
[1]1101
[49]1102 /*@ end vars *************************************************** */
[1]1103
[49]1104 assert_string_is_neither_NULL_nor_zerolength(config_file);
1105 assert_string_is_neither_NULL_nor_zerolength(label);
1106 if (!does_file_exist(config_file)) {
1107 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1108 config_file);
1109 log_to_screen(tmp);
1110 value[0] = '\0';
1111 return (1);
1112 } else if (strstr(value, "/dev/") && strstr(value, "t0")
1113 && !strcmp(label, "media-dev")) {
1114 log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1115 label, value);
1116 return (0);
1117 } else {
1118 sprintf(command, "cat %s | grep \"%s .*\" | cut -d' ' -f2,3,4,5",
1119 config_file, label);
1120 strcpy(value, call_program_and_get_last_line_of_output(command));
1121 if (strlen(value) == 0) {
1122 return (1);
1123 } else {
1124 return (0);
1125 }
[1]1126 }
1127}
1128
1129
1130
1131/**
1132 * Remount @c supermount if it was unmounted earlier.
1133 */
1134void remount_supermounts_if_necessary()
1135{
[49]1136 if (g_remount_cdrom_at_end) {
1137 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1138 }
1139 if (g_remount_floppy_at_end) {
1140 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1141 }
[1]1142}
1143
1144/**
1145 * Unmount @c supermount if it's mounted.
1146 */
1147void unmount_supermounts_if_necessary()
1148{
[49]1149 if (run_program_and_log_output
1150 ("mount | grep cdrom | grep super", FALSE) == 0) {
1151 g_remount_cdrom_at_end = TRUE;
1152 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1153 }
1154 if (run_program_and_log_output
1155 ("mount | grep floppy | grep super", FALSE) == 0) {
1156 g_remount_floppy_at_end = TRUE;
1157 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1158 }
[1]1159}
1160
1161/**
1162 * Whether we had to stop autofs (if so, restart it at end).
1163 */
[49]1164bool g_autofs_stopped = FALSE;
[1]1165
1166/**
1167 * Path to the autofs initscript ("" if none exists).
1168 */
1169char g_autofs_exe[MAX_STR_LEN];
1170
1171/**
1172 * Autofs initscript in Xandros Linux distribution.
1173 */
1174#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1175
1176/**
1177 * Autofs initscript in most Linux distributions.
1178 */
1179#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1180
1181/**
1182 * If autofs is mounted, stop it (restart at end).
1183 */
1184void stop_autofs_if_necessary()
1185{
[49]1186 char tmp[MAX_STR_LEN];
1187
1188 g_autofs_exe[0] = '\0';
1189 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1190 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1191 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1192 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1193 }
1194
1195 if (!g_autofs_exe[0]) {
1196 log_msg(3, "No autofs detected.");
1197 } else {
1198 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[1]1199// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[49]1200 sprintf(tmp, "%s stop", g_autofs_exe);
1201 if (run_program_and_log_output(tmp, 2)) {
1202 log_it("Failed to stop autofs - I assume it wasn't running");
1203 } else {
1204 g_autofs_stopped = TRUE;
1205 log_it("Stopped autofs OK");
1206 }
1207 }
[1]1208}
1209
1210/**
1211 * If autofs was stopped earlier, restart it.
1212 */
1213void restart_autofs_if_necessary()
1214{
[49]1215 char tmp[MAX_STR_LEN];
1216
1217 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1218 log_msg(3, "No autofs detected.");
1219 return;
1220 }
1221 sprintf(tmp, "%s start", g_autofs_exe);
1222 if (run_program_and_log_output(tmp, 2)) {
1223 log_it("Failed to start autofs");
1224 } else {
1225 g_autofs_stopped = FALSE;
1226 log_it("Started autofs OK");
1227 }
[1]1228}
1229
1230
1231/**
1232 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1233 */
1234void mount_boot_if_necessary()
1235{
[49]1236 char tmp[MAX_STR_LEN];
1237 char command[MAX_STR_LEN];
[1]1238
[49]1239 log_msg(1, "Started sub");
1240 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1241 g_boot_mountpt[0] = '\0';
1242 log_msg(4, "Done. Great. Seeting command to something");
1243 strcpy(command,
1244 "cat /etc/fstab | grep -v \":\" | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1245 log_msg(4, "Cool. Command = '%s'", command);
1246 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1247 log_msg(4, "tmp = '%s'", tmp);
1248 if (tmp[0]) {
1249 log_it("/boot is at %s according to /etc/fstab", tmp);
1250 if (strstr(tmp, "LABEL=")) {
1251 if (!run_program_and_log_output("mount /boot", 5)) {
1252 strcpy(g_boot_mountpt, "/boot");
1253 log_msg(1, "Mounted /boot");
1254 } else {
1255 log_it("...ignored cos it's a label :-)");
1256 }
1257 } else {
1258 sprintf(command, "mount | grep -w \"%s\"", tmp);
1259 log_msg(3, "command = %s", command);
1260 if (run_program_and_log_output(command, 5)) {
1261 strcpy(g_boot_mountpt, tmp);
1262 sprintf(tmp,
1263 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1264 g_boot_mountpt);
1265 log_it(tmp);
1266 sprintf(tmp, "mount %s", g_boot_mountpt);
1267 if (run_program_and_log_output(tmp, 5)) {
1268 g_boot_mountpt[0] = '\0';
1269 log_msg(1, "Plan B");
1270 if (!run_program_and_log_output("mount /boot", 5)) {
1271 strcpy(g_boot_mountpt, "/boot");
1272 log_msg(1, "Plan B worked");
1273 } else {
1274 log_msg(1,
1275 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1276 }
1277 }
1278 }
1279 }
[1]1280 }
[49]1281 log_msg(1, "Ended sub");
[1]1282}
1283
1284
1285/**
1286 * If we mounted /boot earlier, unmount it.
1287 */
1288void unmount_boot_if_necessary()
1289{
[49]1290 char tmp[MAX_STR_LEN];
[1]1291
[49]1292 log_msg(3, "starting");
1293 if (g_boot_mountpt[0]) {
1294 sprintf(tmp, "umount %s", g_boot_mountpt);
1295 if (run_program_and_log_output(tmp, 5)) {
1296 log_it("WARNING - unable to unmount /boot");
1297 }
1298 }
1299 log_msg(3, "leaving");
[1]1300}
1301
1302
1303
1304/**
1305 * Write a line to a configuration file. Writes a line of the form,
1306 * @c label @c value.
1307 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1308 * @param label What to call this bit of data you're writing.
1309 * @param value The bit of data you're writing.
1310 * @return 0 for success, 1 for failure.
1311 */
[49]1312int write_cfg_var(char *config_file, char *label, char *value)
[1]1313{
[49]1314 /*@ buffers ***************************************************** */
1315 char command[MAX_STR_LEN * 2];
1316 char tempfile[MAX_STR_LEN];
1317 char tmp[MAX_STR_LEN];
[1]1318
1319
[49]1320 /*@ end vars *************************************************** */
1321 assert_string_is_neither_NULL_nor_zerolength(config_file);
1322 assert_string_is_neither_NULL_nor_zerolength(label);
1323 assert(value != NULL);
1324 if (!does_file_exist(config_file)) {
1325 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1326 config_file);
1327 log_to_screen(tmp);
1328 return (1);
1329 }
1330 strcpy(tempfile,
1331 call_program_and_get_last_line_of_output
1332 ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1333 if (does_file_exist(config_file)) {
1334 sprintf(command, "cat %s | grep -vx \"%s .*\" > %s", config_file,
1335 label, tempfile);
1336 paranoid_system(command);
1337 }
1338 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1339 paranoid_system(command);
1340 sprintf(command, "mv -f %s %s", tempfile, config_file);
1341 paranoid_system(command);
1342 unlink(tempfile);
1343 return (0);
[1]1344}
1345
1346
1347/**
1348 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1349 * information to the logfile.
1350 */
1351void standard_log_debug_msg(int debug_level, const char *szFile,
[49]1352 const char *szFunction, int nLine,
1353 const char *fmt, ...)
[1]1354{
[49]1355 va_list args;
1356 int i;
1357 static int depth = 0;
1358 char *tmp;
1359 FILE *fout;
[1]1360
[49]1361 if (depth > 5) {
1362 depth--;
1363 return;
1364 }
1365 depth++;
[1]1366
[49]1367 malloc_string(tmp);
[1]1368
[49]1369 if (debug_level <= g_loglevel) {
1370 va_start(args, fmt);
1371 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1372 return;
1373 } // fatal_error("Failed to openout to logfile - sheesh..."); }
[1]1374
[49]1375 // add tabs to distinguish log levels
1376 if (debug_level > 0) {
1377 for (i = 1; i < debug_level; i++)
1378 fprintf(fout, "\t");
1379 if (getpid() == g_main_pid)
1380 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1381 nLine);
1382 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1383 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1384 nLine);
1385 else
1386 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1387 szFunction, nLine);
1388 }
1389 vfprintf(fout, fmt, args);
[1]1390
[49]1391 // do not slow down the progran if standard debug level
1392 // must be enabled: if no flush, the log won't be up-to-date if there
1393 // is a segfault
1394 //if (g_dwDebugLevel != 1)
[1]1395
[49]1396 va_end(args);
1397 fprintf(fout, "\n");
1398 paranoid_fclose(fout);
1399 }
1400 depth--;
1401 paranoid_free(tmp);
[1]1402}
1403
1404/**
1405 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1406 */
[49]1407void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1408 ...) = standard_log_debug_msg;
[1]1409
1410
1411/**
1412 * If @p y, malloc @p x, else free @p x.
1413 * @bug This function seems orphaned. Please remove.
1414 */
1415#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1416
1417/**
1418 * Allocate or free important globals, depending on @p mal.
1419 * @param mal If TRUE, malloc; if FALSE, free.
1420 */
1421void do_libmondo_global_strings_thing(int mal)
1422{
[49]1423 if (mal) {
1424 iamhere("Malloc'ing globals");
1425 malloc_string(g_boot_mountpt);
1426 malloc_string(g_mondo_home);
1427 malloc_string(g_tmpfs_mountpt);
1428 malloc_string(g_erase_tmpdir_and_scratchdir);
1429 malloc_string(g_serial_string);
1430 malloc_string(g_magicdev_command);
1431 } else {
1432 iamhere("Freeing globals");
1433 paranoid_free(g_boot_mountpt);
1434 paranoid_free(g_mondo_home);
1435 paranoid_free(g_tmpfs_mountpt);
1436 paranoid_free(g_erase_tmpdir_and_scratchdir);
1437 paranoid_free(g_serial_string);
1438 paranoid_free(g_magicdev_command);
1439 }
[1]1440
[49]1441 /*
1442 char**list_of_arrays[] = {
1443 &g_boot_mountpt,
1444 &g_mondo_home,
1445 &g_tmpfs_mountpt,
1446 &g_erase_tmpdir_and_scratchdir,
1447 &g_serial_string,
1448 &g_magicdev_command,
1449 NULL};
[1]1450
[49]1451 char**ppcurr;
1452 int i;
1453
1454 for(i=0;list_of_arrays[i];i++)
1455 {
1456 log_msg(5, "Allocating %d", i);
1457 ppcurr = list_of_arrays[i];
1458 if (mal)
1459 { *ppcurr = malloc(MAX_STR_LEN); }
1460 else
1461 {
1462 if (*ppcurr)
1463 {
1464 free(*ppcurr);
1465 }
1466 }
1467 }
1468 log_msg(5, "Returning");
1469 */
[1]1470}
1471
1472/**
1473 * Allocate important globals.
1474 * @see do_libmondo_global_strings_thing
1475 */
1476void malloc_libmondo_global_strings(void)
1477{
[49]1478 do_libmondo_global_strings_thing(1);
[1]1479}
1480
1481/**
1482 * Free important globals.
1483 * @see do_libmondo_global_strings_thing
1484 */
1485void free_libmondo_global_strings(void)
1486{
[49]1487 do_libmondo_global_strings_thing(0);
[1]1488}
1489
1490
1491
1492/**
1493 * Stop @c magicdev if it's running.
1494 * The command used to start it is saved in @p g_magicdev_command.
1495 */
1496void stop_magicdev_if_necessary()
1497{
[49]1498 strcpy(g_magicdev_command,
1499 call_program_and_get_last_line_of_output
1500 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1501 if (g_magicdev_command[0]) {
1502 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1503 paranoid_system("killall magicdev");
1504 }
[1]1505}
1506
1507
1508/**
1509 * Restart magicdev if it was stopped.
1510 */
1511void restart_magicdev_if_necessary()
1512{
[49]1513 char *tmp;
1514
1515 malloc_string(tmp);
1516 if (g_magicdev_command && g_magicdev_command[0]) {
1517 sprintf(tmp, "%s &", g_magicdev_command);
1518 paranoid_system(tmp);
1519 }
1520 paranoid_free(tmp);
[1]1521}
1522
1523/* @} - end of utilityGroup */
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