source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-tools.c@ 2443

Last change on this file since 2443 was 2443, checked in by Bruno Cornec, 15 years ago
  • priority given to env var for tmpdir
  • fuse FS excluded from tmpdir computation
  • Property svn:keywords set to Id
File size: 39.6 KB
Line 
1/*
2 $Id: libmondo-tools.c 2443 2009-09-29 18:43:38Z bruno $
3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
12#include "mr_mem.h"
13#include "mondostructures.h"
14#include "lib-common-externs.h"
15#include "libmondo-tools.h"
16#include "libmondo-gui-EXT.h"
17#include "libmondo-files-EXT.h"
18#include "libmondo-fork-EXT.h"
19#include "libmondo-raid-EXT.h"
20#include "libmondo-devices-EXT.h"
21#include <sys/socket.h>
22#include <netdb.h>
23#include <stdlib.h>
24#include <netinet/in.h>
25#include <arpa/inet.h>
26#include <sys/utsname.h>
27
28/*@unused@*/
29//static char cvsid[] = "$Id: libmondo-tools.c 2443 2009-09-29 18:43:38Z bruno $";
30
31extern int g_tape_buffer_size_MB;
32extern char *g_serial_string;
33extern bool g_text_mode;
34extern int g_currentY;
35extern int g_current_media_number;
36extern char *MONDO_LOGFILE;
37
38/* Reference to global bkpinfo */
39extern struct s_bkpinfo *bkpinfo;
40
41/**
42 * @addtogroup globalGroup
43 * @{
44 */
45bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
46 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
47bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
48double g_kernel_version;
49
50/**
51 * The place where /boot is mounted.
52 */
53char *g_boot_mountpt = NULL;
54
55/**
56 * The location of Mondo's home directory.
57 */
58char *g_mondo_home = NULL;
59
60/**
61 * The serial string (used to differentiate between backups) of the current backup.
62 */
63char *g_serial_string = NULL;
64
65/**
66 * The location where tmpfs is mounted, or "" if it's not mounted.
67char *g_tmpfs_mountpt = NULL;
68 */
69char *g_magicdev_command = NULL;
70
71/**
72 * The default maximum level to log messages at or below.
73 */
74int g_loglevel = DEFAULT_DEBUG_LEVEL;
75
76/* @} - end of globalGroup */
77
78
79extern pid_t g_buffer_pid;
80extern pid_t g_main_pid;
81
82extern t_bkptype g_backup_media_type;
83
84extern bool am_I_in_disaster_recovery_mode(void);
85
86/*-----------------------------------------------------------*/
87
88
89/**
90 * @addtogroup utilityGroup
91 * @{
92 */
93/**
94 * Assertion handler. Prints a friendly message to the user,
95 * offering to ignore all, dump core, break to debugger,
96 * exit, or ignore. Intended to be used with an assert() macro.
97 *
98 * @param file The file in which the assertion triggered.
99 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
100 * @param line The line number of the assert() statement.
101 * @param exp The expression that failed (as a string).
102 */
103void _mondo_assert_fail(const char *file,
104 const char *function, int line, const char *exp)
105{
106 static int ignoring_assertions = 0;
107 bool is_valid = TRUE;
108
109 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
110 function);
111 if (ignoring_assertions) {
112 log_it("Well, the user doesn't care...");
113 return;
114 }
115#ifndef _XWIN
116 if (!g_text_mode)
117 newtSuspend();
118#endif
119 printf("ASSERTION FAILED: `%s'\n", exp);
120 printf("\tat %s:%d in %s\n\n", file, line, function);
121 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
122 do {
123 is_valid = TRUE;
124 switch (toupper(getchar())) {
125 case 'A': // ignore (A)ll
126 ignoring_assertions = 1;
127 break;
128 case 'B': // a(B)ort
129 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
130 raise(SIGABRT);
131 break; /* "can't get here" */
132 case 'D': // (D)ebug, aka asm("int 3")
133#ifdef __IA32__
134 __asm__ __volatile__("int $3"); // break to debugger
135#endif
136 break;
137 case 'E': // (E)xit
138 fatal_error("Failed assertion -- see above for details");
139 break; /* "can't get here" */
140 case 'I': // (I)gnore
141 break;
142 /* These next two work as follows:
143 the `default' catches the user's invalid choice and says so;
144 the '\n' catches the newline on the end and prints the prompt again.
145 */
146 case '\n':
147 printf
148 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
149 break;
150 default:
151 is_valid = FALSE;
152 printf("Invalid choice.\n");
153 break;
154 }
155 } while (!is_valid);
156
157 if (ignoring_assertions) {
158 log_it("Ignoring ALL assertions from now on.");
159 } else {
160 log_it("Ignoring assertion: %s", exp);
161 }
162
163 getchar(); // skip \n
164
165#ifndef _XWIN
166 if (!g_text_mode)
167 newtResume();
168#endif
169}
170
171/**
172 * Clean's up users' KDE desktops.
173 * @bug Details about this function are unknown.
174 */
175void clean_up_KDE_desktop_if_necessary(void)
176{
177 char *tmp;
178
179 malloc_string(tmp);
180 strcpy(tmp,
181 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
182file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
183awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
184else { print $0;};}' $file.old > $file ; fi ; done");
185 run_program_and_log_output(tmp, 5);
186 paranoid_free(tmp);
187}
188
189
190/**
191 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
192 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
193 *
194 * @param home_sz String to store the home directory ("" if it could not be found).
195 * @return 0 for success, nonzero for failure.
196 */
197int find_and_store_mondoarchives_home(char *home_sz)
198{
199 assert(home_sz != NULL);
200 strcpy(home_sz, MONDO_SHARE);
201 return (0);
202}
203
204
205char *get_architecture(void) {
206#ifdef __IA32__
207# ifdef __X86_64__
208 return ("x86_64");
209# else
210 return ("i386");
211# endif
212#endif
213#ifdef __IA64__
214 return ("ia64");
215#endif
216 return ("unknown");
217}
218
219
220char *get_uname_m(void) {
221
222 struct utsname utsn;
223 char *tmp = NULL;
224
225 uname(&utsn);
226 mr_asprintf(&tmp, "%s", utsn.machine);
227 return (tmp);
228}
229
230
231
232double get_kernel_version(void)
233{
234 char *p, tmp[200];
235 double d;
236#ifdef __FreeBSD__
237 // JOSH - FIXME :)
238 d = 5.2; // :-)
239#else
240 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
241 p = strchr(tmp, '.');
242 if (p) {
243 p = strchr(++p, '.');
244 if (p) {
245 while (*p) {
246 *p = *(p + 1);
247 p++;
248 }
249 }
250 }
251// log_msg(1, "tmp = '%s'", tmp);
252 d = atof(tmp);
253#endif
254 log_msg(1, "g_kernel_version = %f", d);
255 return (d);
256}
257
258
259
260
261
262/**
263 * Get the current time.
264 * @return number of seconds since the epoch.
265 */
266long get_time()
267{
268 return (long) time((void *) 0);
269}
270
271
272
273
274
275
276
277/**
278 * Initialize a RAID volume structure, setting fields to zero. The
279 * actual hard drive is unaffected.
280 *
281 * @param raidrec The RAID volume structure to initialize.
282 * @note This function is system dependent.
283 */
284#ifdef __FreeBSD__
285void initialize_raidrec(struct vinum_volume *raidrec)
286{
287 int i, j;
288 raidrec->volname[0] = '\0';
289 raidrec->plexes = 0;
290 for (i = 0; i < 9; ++i) {
291 raidrec->plex[i].raidlevel = -1;
292 raidrec->plex[i].stripesize = 0;
293 raidrec->plex[i].subdisks = 0;
294 for (j = 0; j < 9; ++j) {
295 strcpy(raidrec->plex[i].sd[j].which_device, "");
296 }
297 }
298}
299#else
300void initialize_raidrec(struct raid_device_record *raidrec)
301{
302 assert(raidrec != NULL);
303 raidrec->raid_device[0] = '\0';
304 raidrec->raid_level = -9;
305 raidrec->persistent_superblock = 1;
306 raidrec->chunk_size = 64;
307 raidrec->parity = -1;
308 raidrec->data_disks.entries = 0;
309 raidrec->spare_disks.entries = 0;
310 raidrec->parity_disks.entries = 0;
311 raidrec->failed_disks.entries = 0;
312 raidrec->additional_vars.entries = 0;
313}
314#endif
315
316
317
318
319/**
320 * Insert modules that Mondo requires.
321 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
322 * @c msdosfs and @c ext2fs for FreeBSD.
323 */
324void insmod_crucial_modules(void)
325{
326#ifdef __FreeBSD__
327 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
328 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
329#else
330 system("modprobe -a msdos vfat loop &> /dev/null");
331#endif
332}
333
334
335/**
336 * Log a trace message to the trace file.
337 * @bug This function seems orphaned. Please remove.
338 */
339void log_trace(char *o)
340{
341 /*@ pointers **************************************************** */
342 FILE *fout;
343
344 /*@ buffers ***************************************************** */
345 char output[MAX_STR_LEN];
346
347 /*@ int ****************************************************** */
348 int i;
349
350 /*@ end vars *************************************************** */
351
352 if (o[0] == '\0') {
353 return;
354 }
355 strcpy(output, o);
356 i = (int) strlen(output);
357 if (i <= 0) {
358 return;
359 }
360 if (output[i - 1] < 32) {
361 output[i - 1] = '\0';
362 }
363 if (g_text_mode
364 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
365 printf("%s\n", output);
366 }
367
368 fout = fopen(MONDO_TRACEFILE, "a");
369 if (fout) {
370 fprintf(fout, "%s\n", output);
371 paranoid_fclose(fout);
372 } else {
373 log_OS_error("Cannot write to tracefile");
374 }
375}
376
377
378
379
380
381/**
382 * Finish configuring the backup information structure. Call this function
383 * to set the parameters that depend on those that can be given on the command
384 * line.
385 *
386 * @param bkpinfo The backup information structure. Fields modified/used:
387 * - Used: @c bkpinfo->backup_data
388 * - Used: @c bkpinfo->backup_media_type
389 * - Used: @c bkpinfo->cdrw_speed
390 * - Used: @c bkpinfo->compression_level
391 * - Used: @c bkpinfo->include_paths
392 * - Used: @c bkpinfo->prefix
393 * - Used: @c bkpinfo->isodir
394 * - Used: @c bkpinfo->manual_cd_tray
395 * - Used: @c bkpinfo->make_cd_use_lilo
396 * - Used: @c bkpinfo->media_device
397 * - Used: @c bkpinfo->netfs_mount
398 * - Used: @c bkpinfo->nonbootable_backup
399 * - Used: @c bkpinfo->scratchdir
400 * - Used: @c bkpinfo->tmpdir
401 * - Used: @c bkpinfo->use_lzo
402 * - Modified: @c bkpinfo->call_before_iso
403 * - Modified: @c bkpinfo->call_make_iso
404 * - Modified: @c bkpinfo->optimal_set_size
405 * - Modified: @c bkpinfo->zip_exe
406 * - Modified: @c bkpinfo->zip_suffix
407 *
408 * @return number of errors, or 0 for success.
409 * @note Also creates directories that are specified in the @c bkpinfo structure but
410 * do not exist.
411 */
412int post_param_configuration()
413{
414 char *extra_cdrom_params = NULL;
415 char *mondo_mkisofs_sz = NULL;
416 char *command;
417 char *mtpt;
418 char *hostname;
419 char *ip_address = NULL;
420 int retval = 0;
421 char *colon;
422 char *cdr_exe;
423 char *tmp;
424 char call_before_iso_user[MAX_STR_LEN] = "\0";
425 /*
426 long avm = 0;
427 int rdsiz_MB;
428 */
429 char *iso_dev;
430 char *iso_mnt;
431 char *iso_tmp;
432 char *iso_path;
433
434 assert(bkpinfo != NULL);
435 malloc_string(command);
436 malloc_string(mtpt);
437 malloc_string(hostname);
438 malloc_string(cdr_exe);
439 malloc_string(tmp);
440 malloc_string(iso_dev);
441 malloc_string(iso_mnt);
442 malloc_string(iso_tmp);
443 malloc_string(iso_path);
444 bkpinfo->optimal_set_size =
445 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
446 1024;
447
448 log_msg(1, "Foo");
449 if (bkpinfo->backup_media_type == tape) {
450 log_msg(1, "Bar");
451 sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
452 log_msg(1, "tmp = '%s'", tmp);
453 if (run_program_and_log_output(tmp, 3)) {
454 fatal_error
455 ("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.");
456 }
457 }
458 make_hole_for_dir(bkpinfo->scratchdir);
459 if (bkpinfo->backup_media_type == iso)
460 make_hole_for_dir(bkpinfo->isodir);
461
462 run_program_and_log_output("uname -a", 5);
463 run_program_and_log_output("cat /etc/*-release", 5);
464 run_program_and_log_output("cat /etc/*issue*", 5);
465#ifdef __FreeBSD__
466#else
467 run_program_and_log_output("cat /proc/cpuinfo", 5);
468 run_program_and_log_output
469 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
470 5);
471#endif
472
473 if (bkpinfo->use_lzo) {
474 strcpy(bkpinfo->zip_exe, "lzop");
475 strcpy(bkpinfo->zip_suffix, "lzo");
476 } else if (bkpinfo->use_gzip) {
477 strcpy(bkpinfo->zip_exe, "gzip");
478 strcpy(bkpinfo->zip_suffix, "gz");
479 } else if (bkpinfo->compression_level != 0) {
480 strcpy(bkpinfo->zip_exe, "bzip2");
481 strcpy(bkpinfo->zip_suffix, "bz2");
482 } else {
483 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
484 }
485
486// DVD
487
488 if (bkpinfo->backup_media_type == dvd) {
489 if (find_home_of_exe("growisofs")) {
490 strcpy(cdr_exe, "growisofs");
491 } // unlikely to be used
492 else {
493 fatal_error("Please install growisofs.");
494 }
495 if (bkpinfo->nonbootable_backup) {
496 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
497 } else if
498#ifdef __FreeBSD__
499 (TRUE)
500#else
501 (bkpinfo->make_cd_use_lilo)
502#endif
503#ifdef __IA64__
504 {
505 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
506 }
507#else
508 {
509 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
510 }
511#endif
512 else
513 {
514 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
515 }
516 if (bkpinfo->manual_cd_tray) {
517 paranoid_free(mondo_mkisofs_sz);
518 fatal_error("Manual CD tray + DVD not supported yet.");
519 // -m isn't supported by growisofs, BTW...
520 } else {
521 sprintf(bkpinfo->call_make_iso,
522 "%s %s -Z %s . 2>> _ERR_",
523 mondo_mkisofs_sz,
524 "", bkpinfo->media_device);
525 paranoid_free(mondo_mkisofs_sz);
526 }
527 if (getenv ("SUDO_COMMAND")) {
528 sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
529 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
530 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
531 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
532 }
533 }
534 log_msg(2, "call_make_iso (DVD res) is ... %s",
535 bkpinfo->call_make_iso);
536 } // end of DVD code
537
538// CD-R or CD-RW
539 if (bkpinfo->backup_media_type == cdrw
540 || bkpinfo->backup_media_type == cdr) {
541 if (!bkpinfo->manual_cd_tray) {
542 mr_asprintf(&extra_cdrom_params, "-waiti ");
543 }
544 if (bkpinfo->backup_media_type == cdrw) {
545 mr_asprintf(&extra_cdrom_params, "blank=fast ");
546 }
547 if (find_home_of_exe("cdrecord")) {
548 strcpy(cdr_exe, "cdrecord");
549 } else if (find_home_of_exe("dvdrecord")) {
550 strcpy(cdr_exe, "dvdrecord");
551 } else {
552 fatal_error("Please install either cdrecord or dvdrecord.");
553 }
554 if (bkpinfo->nonbootable_backup) {
555 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
556 } else if
557#ifdef __FreeBSD__
558 (TRUE)
559#else
560 (bkpinfo->make_cd_use_lilo)
561#endif
562#ifdef __IA64__
563 {
564 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
565 }
566#else
567 {
568 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
569 }
570#endif
571 else
572 {
573 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
574 }
575 if (bkpinfo->manual_cd_tray) {
576 if (bkpinfo->call_before_iso[0] == '\0') {
577 sprintf(bkpinfo->call_before_iso,
578 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
579 mondo_mkisofs_sz, bkpinfo->tmpdir);
580 } else {
581 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
582 sprintf (bkpinfo->call_before_iso,
583 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
584 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
585 }
586 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
587 sprintf(bkpinfo->call_make_iso,
588 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
589 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
590 extra_cdrom_params, bkpinfo->media_device,
591 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
592 } else {
593 sprintf(bkpinfo->call_make_iso,
594 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
595 mondo_mkisofs_sz, cdr_exe,
596 (bkpinfo->please_dont_eject) ? " " : "-eject",
597 extra_cdrom_params, bkpinfo->media_device,
598 bkpinfo->cdrw_speed);
599 }
600 paranoid_free(mondo_mkisofs_sz);
601 paranoid_free(extra_cdrom_params);
602 } // end of CD code
603
604 /*
605 if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
606 {
607 sprintf (tmp,
608 "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
609 bkpinfo->media_device, bkpinfo->internal_tape_block_size);
610 if (system(tmp))
611 {
612 retval++;
613 fprintf (stderr,
614 "Cannot write to tape device. Is the tape set read-only?\n");
615 }
616 } // end of tape code
617 */
618
619
620 if (bkpinfo->backup_media_type == iso) {
621
622/* Patch by Conor Daly <conor.daly@met.ie>
623 * 23-june-2004
624 * Break up isodir into iso_mnt and iso_path
625 * These will be used along with iso-dev at restore time
626 * to locate the ISOs where ever they're mounted
627 */
628
629 log_it("isodir = %s", bkpinfo->isodir);
630 sprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1",
631 bkpinfo->isodir);
632 log_it("command = %s", command);
633 log_it("res of it = %s",
634 call_program_and_get_last_line_of_output(command));
635 sprintf(iso_dev, "%s",
636 call_program_and_get_last_line_of_output(command));
637 sprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
638 write_one_liner_data_file(tmp,
639 call_program_and_get_last_line_of_output
640 (command));
641
642 sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
643 iso_dev);
644 log_it("command = %s", command);
645 log_it("res of it = %s",
646 call_program_and_get_last_line_of_output(command));
647 sprintf(iso_mnt, "%s",
648 call_program_and_get_last_line_of_output(command));
649 sprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
650 write_one_liner_data_file(tmp,
651 call_program_and_get_last_line_of_output
652 (command));
653 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
654 sprintf(iso_tmp, "%s", bkpinfo->isodir);
655 if (strlen(iso_tmp) < strlen(iso_mnt)) {
656 iso_path[0] = '\0';
657 } else {
658 sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
659 }
660 sprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
661 write_one_liner_data_file(tmp, iso_path);
662 log_it("isodir: %s", iso_path);
663 sprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
664 write_one_liner_data_file(tmp, bkpinfo->prefix);
665 log_it("iso-prefix: %s", bkpinfo->prefix);
666
667/* End patch */
668 } // end of iso code
669
670 if (bkpinfo->backup_media_type == netfs) {
671 strcpy(hostname, bkpinfo->netfs_mount);
672 colon = strchr(hostname, ':');
673 if (!colon) {
674 log_it("netfs mount doesn't have a colon in it");
675 retval++;
676 } else {
677 struct hostent *hent;
678
679 *colon = '\0';
680 hent = gethostbyname(hostname);
681 if (!hent) {
682 log_it("Can't resolve Network mount (%s): %s", hostname,
683 hstrerror(h_errno));
684 retval++;
685 } else {
686 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
687 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
688 strcpy(bkpinfo->netfs_mount, ip_address);
689 paranoid_free(ip_address);
690 }
691 }
692 store_netfs_config();
693 }
694
695 log_it("Finished processing incoming params");
696 if (retval) {
697 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
698 }
699 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
700 log_it("tmpdir or scratchdir are blank/missing");
701 retval++;
702 }
703 if (bkpinfo->include_paths[0] == '\0') {
704 // fatal_error ("Why no backup path?");
705 strcpy(bkpinfo->include_paths, "/");
706 }
707 chmod(bkpinfo->scratchdir, 0700);
708 g_backup_media_type = bkpinfo->backup_media_type;
709 paranoid_free(mtpt);
710 paranoid_free(command);
711 paranoid_free(hostname);
712 paranoid_free(cdr_exe);
713 paranoid_free(tmp);
714 paranoid_free(iso_dev);
715 paranoid_free(iso_mnt);
716 paranoid_free(iso_tmp);
717 paranoid_free(iso_path);
718 return (retval);
719}
720
721
722
723/**
724 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
725 * Seeds the random-number generator, loads important modules, checks the sanity
726 * of the user's Linux distribution, and deletes logfile.
727 * @param bkpinfo The backup information structure. Will be initialized.
728 * @return number of errors (0 for success)
729 */
730int pre_param_configuration()
731{
732 int res = 0;
733 char *tmp = NULL;
734
735 make_hole_for_dir(MNT_CDROM);
736 assert(bkpinfo != NULL);
737 srandom((unsigned long) (time(NULL)));
738 insmod_crucial_modules();
739 if (bkpinfo->disaster_recovery) {
740 if (!does_nonMS_partition_exist()) {
741 fatal_error
742 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
743 }
744 }
745
746 unlink(MONDO_TRACEFILE);
747 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
748 run_program_and_log_output(tmp, FALSE);
749 paranoid_free(tmp);
750 if (find_and_store_mondoarchives_home(g_mondo_home)) {
751 fprintf(stderr,
752 "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");
753 res++;
754 return (res);
755 }
756 res += some_basic_system_sanity_checks();
757 if (res) {
758 log_it("Your distribution did not pass Mondo's sanity test.");
759 }
760 g_current_media_number = 1;
761 bkpinfo->postnuke_tarball[0] = bkpinfo->netfs_mount[0] = '\0';
762 return (res);
763}
764
765void setup_tmpdir(char *path) {
766
767 char *tmp = NULL;
768 char *p = NULL;
769
770 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
771 /* purging a potential old tmpdir */
772 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
773 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
774 (void)system(tmp);
775 paranoid_free(tmp);
776 }
777
778 /* Always take in account env first */
779 if (getenv("TMPDIR")) {
780 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
781 } else if (getenv("TMP")) {
782 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
783 } else if (path != NULL) {
784 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
785 } else {
786 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
787 }
788 p = mkdtemp(tmp);
789 if (p == NULL) {
790 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
791 finish(-1);
792 }
793 strcpy(bkpinfo->tmpdir,p);
794 paranoid_free(tmp);
795}
796
797
798/**
799 * Reset all fields of the backup information structure to a sensible default.
800 * @param bkpinfo The @c bkpinfo to reset.
801 */
802void reset_bkpinfo()
803{
804 int i;
805
806 log_msg(1, "Hi");
807 assert(bkpinfo != NULL);
808 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
809
810 bkpinfo->media_device[0] = '\0';
811 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
812 bkpinfo->media_size[i] = -1;
813 }
814 bkpinfo->boot_loader = '\0';
815 bkpinfo->boot_device[0] = '\0';
816 bkpinfo->zip_exe[0] = '\0';
817 bkpinfo->zip_suffix[0] = '\0';
818 bkpinfo->image_devs[0] = '\0';
819 bkpinfo->compression_level = 3;
820 bkpinfo->use_lzo = FALSE;
821 bkpinfo->use_gzip = FALSE;
822 bkpinfo->do_not_compress_these[0] = '\0';
823 bkpinfo->verify_data = FALSE;
824 bkpinfo->backup_data = FALSE;
825 bkpinfo->restore_data = FALSE;
826 bkpinfo->use_star = FALSE;
827 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
828 bkpinfo->disaster_recovery =
829 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
830 if (bkpinfo->disaster_recovery) {
831 strcpy(bkpinfo->isodir, "/");
832 } else {
833 strcpy(bkpinfo->isodir, MONDO_CACHE);
834 }
835 strcpy(bkpinfo->prefix, STD_PREFIX);
836 sensibly_set_tmpdir_and_scratchdir();
837
838 bkpinfo->optimal_set_size = 0;
839 strcpy(bkpinfo->include_paths, "/");
840 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
841 bkpinfo->include_paths[0] = '\0';
842 bkpinfo->exclude_paths[0] = '\0';
843 bkpinfo->exclude_devs = NULL;
844 bkpinfo->restore_path[0] = '\0';
845 bkpinfo->call_before_iso[0] = '\0';
846 bkpinfo->call_make_iso[0] = '\0';
847 bkpinfo->call_burn_iso[0] = '\0';
848 bkpinfo->call_after_iso[0] = '\0';
849 bkpinfo->kernel_path[0] = '\0';
850 bkpinfo->netfs_mount[0] = '\0';
851 bkpinfo->netfs_proto = NULL;
852 bkpinfo->netfs_user = NULL;
853 bkpinfo->netfs_remote_dir[0] = '\0';
854 bkpinfo->postnuke_tarball[0] = '\0';
855 bkpinfo->wipe_media_first = FALSE;
856 bkpinfo->differential = 0;
857 bkpinfo->please_dont_eject = FALSE;
858 bkpinfo->cdrw_speed = 0;
859 bkpinfo->manual_cd_tray = FALSE;
860 bkpinfo->nonbootable_backup = FALSE;
861 bkpinfo->make_cd_use_lilo = FALSE;
862 bkpinfo->use_obdr = FALSE;
863 bkpinfo->restore_mode = interactive;
864}
865
866
867
868
869/**
870 * Get the remaining free space (in MB) on @p partition.
871 * @param partition The partition to check free space on (either a device or a mountpoint).
872 * @return The free space on @p partition, in MB.
873 */
874long free_space_on_given_partition(char *partition)
875{
876 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
877 long res;
878
879 assert_string_is_neither_NULL_nor_zerolength(partition);
880
881 sprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
882 if (system(command)) {
883 return (-1);
884 } // partition does not exist
885 sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
886 partition);
887 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
888 if (strlen(out_sz) == 0) {
889 return (-1);
890 } // error within df, probably
891 res = atol(out_sz);
892 return (res);
893}
894
895
896
897/**
898 * Check the user's system for sanity. Checks performed:
899 * - make sure user has enough RAM (32mb required, 64mb recommended)
900 * - make sure user has enough free space in @c /
901 * - check kernel for ramdisk support
902 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
903 * - make sure CD-ROM is unmounted
904 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
905 *
906 * @return number of problems with the user's setup (0 for success)
907 */
908int some_basic_system_sanity_checks()
909{
910
911 /*@ buffers ************ */
912 char tmp[MAX_STR_LEN];
913 // char command[MAX_STR_LEN];
914
915 /*@ int's *************** */
916 int retval = 0;
917
918 mvaddstr_and_log_it(g_currentY, 0,
919 "Checking sanity of your Linux distribution");
920#ifndef __FreeBSD__
921 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
922 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
923 log_it
924 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
925 run_program_and_log_output
926 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
927 }
928 strcpy(tmp,
929 call_program_and_get_last_line_of_output
930 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
931 if (atol(tmp) < 35000) {
932 retval++;
933 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
934 }
935 if (atol(tmp) < 66000) {
936 log_to_screen
937 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
938 }
939#endif
940
941 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
942 retval++;
943 log_to_screen
944 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
945 fatal_error
946 ("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. :)");
947 }
948#ifndef __FreeBSD__
949 if (run_program_and_log_output
950 ("grep ramdisk /proc/devices", FALSE)) {
951 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
952 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
953 if (run_program_and_log_output
954 ("grep ramdisk /proc/devices", FALSE)) {
955 if (!ask_me_yes_or_no
956 ("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?"))
957 {
958 // retval++;
959 log_to_screen
960 ("It looks as if your kernel lacks ramdisk and initrd support.");
961 log_to_screen
962 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
963 }
964 }
965 }
966#endif
967 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
968 retval += whine_if_not_found("mkisofs");
969 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
970 retval += whine_if_not_found("cdrecord");
971 }
972 retval += whine_if_not_found("bzip2");
973 retval += whine_if_not_found("gzip");
974 retval += whine_if_not_found("awk");
975 retval += whine_if_not_found("md5sum");
976 retval += whine_if_not_found("strings");
977 retval += whine_if_not_found("mindi");
978 retval += whine_if_not_found("buffer");
979
980 // abort if Windows partition but no ms-sys and parted
981 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
982 log_to_screen("I think you have a Windows 9x partition.");
983 retval += whine_if_not_found("parted");
984 }
985
986 if (!find_home_of_exe("cmp")) {
987 if (!find_home_of_exe("true")) {
988 whine_if_not_found("cmp");
989 } else {
990 log_to_screen
991 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
992 if (run_program_and_log_output
993 ("cp -f `which true` /usr/bin/cmp", 0)) {
994 fatal_error("Failed to create dummy 'cmp' file.");
995 }
996 }
997 }
998 run_program_and_log_output
999 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
1000 strcpy(tmp,
1001 call_program_and_get_last_line_of_output
1002 ("mount | grep -E \"cdr(om|w)\""));
1003 if (strcmp("", tmp)) {
1004 if (strstr(tmp, "autofs")) {
1005 log_to_screen
1006 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
1007 log_to_screen
1008 ("if a CD actually is inserted. If a CD is inserted, please");
1009 log_to_screen("eject it. Thank you.");
1010 log_it
1011 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1012 } else
1013 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1014 retval++;
1015 fatal_error
1016 ("Your CD-ROM drive is mounted. Please unmount it.");
1017 }
1018 }
1019
1020 run_program_and_log_output("cat /etc/fstab", 5);
1021#ifdef __FreeBSD__
1022 run_program_and_log_output("vinum printconfig", 5);
1023#else
1024 run_program_and_log_output("cat /etc/raidtab", 5);
1025#endif
1026
1027 if (run_program_and_log_output("mindi -V", 1)) {
1028 log_to_screen("Could not ascertain mindi's version number.");
1029 log_to_screen
1030 ("You have not installed Mondo and/or Mindi properly.");
1031 log_to_screen("Please uninstall and reinstall them both.");
1032 fatal_error("Please reinstall Mondo and Mindi.");
1033 }
1034 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1035 if (run_program_and_log_output(tmp, 5)) {
1036 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1037 log_to_screen(tmp);
1038 log_to_screen
1039 ("Please run that command by hand and examine /var/log/mindi.log");
1040 log_to_screen
1041 ("for more information. Perhaps your /etc/fstab file is insane.");
1042 log_to_screen
1043 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1044 retval++;
1045 }
1046
1047 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1048 && !does_file_exist("/etc/raidtab")) {
1049 log_to_screen
1050 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1051 create_raidtab_from_mdstat("/etc/raidtab");
1052 }
1053
1054 if (retval) {
1055 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1056 } else {
1057 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1058 }
1059 return (retval);
1060}
1061
1062/**
1063 * Retrieve the line containing @p label from the config file.
1064 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1065 * @param label What to read from the file.
1066 * @param value Where to put it.
1067 * @return 0 for success, 1 for failure.
1068 */
1069int read_cfg_var(char *config_file, char *label, char *value)
1070{
1071 /*@ buffer ****************************************************** */
1072 char command[MAX_STR_LEN * 2];
1073 char tmp[MAX_STR_LEN];
1074
1075 /*@ end vars *************************************************** */
1076
1077 assert_string_is_neither_NULL_nor_zerolength(config_file);
1078 assert_string_is_neither_NULL_nor_zerolength(label);
1079 if (!does_file_exist(config_file)) {
1080 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1081 config_file);
1082 log_to_screen(tmp);
1083 value[0] = '\0';
1084 return (1);
1085 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1086 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1087 return (0);
1088 } else {
1089 sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1090 label, config_file);
1091 strcpy(value, call_program_and_get_last_line_of_output(command));
1092 if (strlen(value) == 0) {
1093 return (1);
1094 } else {
1095 return (0);
1096 }
1097 }
1098}
1099
1100
1101
1102/**
1103 * Remount @c supermount if it was unmounted earlier.
1104 */
1105void remount_supermounts_if_necessary()
1106{
1107 if (g_remount_cdrom_at_end) {
1108 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1109 }
1110 if (g_remount_floppy_at_end) {
1111 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1112 }
1113}
1114
1115/**
1116 * Unmount @c supermount if it's mounted.
1117 */
1118void unmount_supermounts_if_necessary()
1119{
1120 if (run_program_and_log_output
1121 ("mount | grep cdrom | grep super", FALSE) == 0) {
1122 g_remount_cdrom_at_end = TRUE;
1123 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1124 }
1125 if (run_program_and_log_output
1126 ("mount | grep floppy | grep super", FALSE) == 0) {
1127 g_remount_floppy_at_end = TRUE;
1128 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1129 }
1130}
1131
1132/**
1133 * Whether we had to stop autofs (if so, restart it at end).
1134 */
1135bool g_autofs_stopped = FALSE;
1136
1137/**
1138 * Path to the autofs initscript ("" if none exists).
1139 */
1140char g_autofs_exe[MAX_STR_LEN];
1141
1142/**
1143 * Autofs initscript in Xandros Linux distribution.
1144 */
1145#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1146
1147/**
1148 * Autofs initscript in most Linux distributions.
1149 */
1150#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1151
1152/**
1153 * If autofs is mounted, stop it (restart at end).
1154 */
1155void stop_autofs_if_necessary()
1156{
1157 char tmp[MAX_STR_LEN];
1158
1159 g_autofs_exe[0] = '\0';
1160 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1161 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1162 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1163 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1164 }
1165
1166 if (!g_autofs_exe[0]) {
1167 log_msg(3, "No autofs detected.");
1168 } else {
1169 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1170// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1171 sprintf(tmp, "%s stop", g_autofs_exe);
1172 if (run_program_and_log_output(tmp, 2)) {
1173 log_it("Failed to stop autofs - I assume it wasn't running");
1174 } else {
1175 g_autofs_stopped = TRUE;
1176 log_it("Stopped autofs OK");
1177 }
1178 }
1179}
1180
1181/**
1182 * If autofs was stopped earlier, restart it.
1183 */
1184void restart_autofs_if_necessary()
1185{
1186 char tmp[MAX_STR_LEN];
1187
1188 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1189 log_msg(3, "No autofs detected.");
1190 return;
1191 }
1192 sprintf(tmp, "%s start", g_autofs_exe);
1193 if (run_program_and_log_output(tmp, 2)) {
1194 log_it("Failed to start autofs");
1195 } else {
1196 g_autofs_stopped = FALSE;
1197 log_it("Started autofs OK");
1198 }
1199}
1200
1201
1202/**
1203 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1204 */
1205void mount_boot_if_necessary()
1206{
1207 char tmp[MAX_STR_LEN];
1208 char command[MAX_STR_LEN];
1209
1210 log_msg(1, "Started sub");
1211 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1212 g_boot_mountpt[0] = '\0';
1213 log_msg(4, "Done. Great. Seeting command to something");
1214 strcpy(command,
1215 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1216 log_msg(4, "Cool. Command = '%s'", command);
1217 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1218 log_msg(4, "tmp = '%s'", tmp);
1219 if (tmp[0]) {
1220 log_it("/boot is at %s according to /etc/fstab", tmp);
1221 strcpy(command, "mount | grep -Ew '/boot'");
1222 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1223 if (!strcmp(tmp,"")) {
1224 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1225 if (!run_program_and_log_output("mount /boot", 5)) {
1226 strcpy(g_boot_mountpt, "/boot");
1227 log_msg(1, "Mounted /boot");
1228 } else {
1229 log_it("...ignored cos it's a label or uuid :-)");
1230 }
1231 } else {
1232 sprintf(command, "mount | grep -E '^%s'", tmp);
1233 log_msg(3, "command = %s", command);
1234 if (run_program_and_log_output(command, 5)) {
1235 strcpy(g_boot_mountpt, tmp);
1236 sprintf(tmp,
1237 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1238 g_boot_mountpt);
1239 log_it(tmp);
1240 sprintf(tmp, "mount %s", g_boot_mountpt);
1241 if (run_program_and_log_output(tmp, 5)) {
1242 g_boot_mountpt[0] = '\0';
1243 log_msg(1, "Plan B");
1244 if (!run_program_and_log_output("mount /boot", 5)) {
1245 strcpy(g_boot_mountpt, "/boot");
1246 log_msg(1, "Plan B worked");
1247 } else {
1248 log_msg(1,
1249 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1250 }
1251 }
1252 }
1253 }
1254 }
1255 }
1256 log_msg(1, "Ended sub");
1257}
1258
1259
1260/**
1261 * If we mounted /boot earlier, unmount it.
1262 */
1263void unmount_boot_if_necessary()
1264{
1265 char tmp[MAX_STR_LEN];
1266
1267 log_msg(3, "starting");
1268 if (g_boot_mountpt[0]) {
1269 sprintf(tmp, "umount %s", g_boot_mountpt);
1270 if (run_program_and_log_output(tmp, 5)) {
1271 log_it("WARNING - unable to unmount /boot");
1272 }
1273 }
1274 log_msg(3, "leaving");
1275}
1276
1277
1278
1279/**
1280 * Write a line to a configuration file. Writes a line of the form,
1281 * @c label @c value.
1282 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1283 * @param label What to call this bit of data you're writing.
1284 * @param value The bit of data you're writing.
1285 * @return 0 for success, 1 for failure.
1286 */
1287int write_cfg_var(char *config_file, char *label, char *value)
1288{
1289 /*@ buffers ***************************************************** */
1290 char command[MAX_STR_LEN * 2];
1291 char tempfile[MAX_STR_LEN];
1292 char tmp[MAX_STR_LEN];
1293
1294
1295 /*@ end vars *************************************************** */
1296 assert_string_is_neither_NULL_nor_zerolength(config_file);
1297 assert_string_is_neither_NULL_nor_zerolength(label);
1298 assert(value != NULL);
1299 if (!does_file_exist(config_file)) {
1300 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1301 config_file);
1302 log_to_screen(tmp);
1303 return (1);
1304 }
1305 sprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1306 if (does_file_exist(config_file)) {
1307 sprintf(command, "grep -vE '^%s .*$' %s > %s",
1308 label, config_file, tempfile);
1309 paranoid_system(command);
1310 }
1311 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1312 paranoid_system(command);
1313 sprintf(command, "mv -f %s %s", tempfile, config_file);
1314 paranoid_system(command);
1315 unlink(tempfile);
1316 return (0);
1317}
1318
1319
1320/**
1321 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1322 * information to the logfile.
1323 */
1324void standard_log_debug_msg(int debug_level, const char *szFile,
1325 const char *szFunction, int nLine,
1326 const char *fmt, ...)
1327{
1328 va_list args;
1329 int i;
1330 static int depth = 0;
1331 FILE *fout;
1332
1333 if (depth > 5) {
1334 depth--;
1335 return;
1336 }
1337 depth++;
1338
1339 if (debug_level <= g_loglevel) {
1340 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1341 return;
1342 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1343
1344 // add tabs to distinguish log levels
1345 if (debug_level > 0) {
1346 for (i = 1; i < debug_level; i++)
1347 fprintf(fout, "\t");
1348 if (getpid() == g_main_pid)
1349 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1350 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1351 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1352 else
1353 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1354 }
1355 va_start(args, fmt);
1356 vfprintf(fout, fmt, args);
1357 va_end(args);
1358
1359 // do not slow down the progran if standard debug level
1360 // must be enabled: if no flush, the log won't be up-to-date if there
1361 // is a segfault
1362 //if (g_dwDebugLevel != 1)
1363
1364 fprintf(fout, "\n");
1365 paranoid_fclose(fout);
1366 }
1367 depth--;
1368}
1369
1370/**
1371 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1372 */
1373void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1374 ...) = standard_log_debug_msg;
1375
1376
1377/**
1378 * If @p y, malloc @p x, else free @p x.
1379 * @bug This function seems orphaned. Please remove.
1380 */
1381#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1382
1383/**
1384 * Allocate or free important globals, depending on @p mal.
1385 * @param mal If TRUE, malloc; if FALSE, free.
1386 */
1387void do_libmondo_global_strings_thing(int mal)
1388{
1389 if (mal) {
1390 malloc_string(g_boot_mountpt);
1391 malloc_string(g_mondo_home);
1392 /*
1393 malloc_string(g_tmpfs_mountpt);
1394 */
1395 malloc_string(g_serial_string);
1396 malloc_string(g_magicdev_command);
1397 } else {
1398 paranoid_free(g_boot_mountpt);
1399 paranoid_free(g_mondo_home);
1400 /*
1401 paranoid_free(g_tmpfs_mountpt);
1402 */
1403 paranoid_free(g_serial_string);
1404 paranoid_free(g_magicdev_command);
1405
1406 }
1407
1408 /*
1409 char**list_of_arrays[] = {
1410 &g_boot_mountpt,
1411 &g_mondo_home,
1412 &g_tmpfs_mountpt,
1413 &g_serial_string,
1414 &g_magicdev_command,
1415 NULL};
1416
1417 char**ppcurr;
1418 int i;
1419
1420 for(i=0;list_of_arrays[i];i++)
1421 {
1422 log_msg(5, "Allocating %d", i);
1423 ppcurr = list_of_arrays[i];
1424 if (mal)
1425 { *ppcurr = malloc(MAX_STR_LEN); }
1426 else
1427 {
1428 if (*ppcurr)
1429 {
1430 free(*ppcurr);
1431 }
1432 }
1433 }
1434 log_msg(5, "Returning");
1435 */
1436}
1437
1438/**
1439 * Allocate important globals.
1440 * @see do_libmondo_global_strings_thing
1441 */
1442void malloc_libmondo_global_strings(void)
1443{
1444 do_libmondo_global_strings_thing(1);
1445}
1446
1447/**
1448 * Free important globals.
1449 * @see do_libmondo_global_strings_thing
1450 */
1451void free_libmondo_global_strings(void)
1452{
1453 do_libmondo_global_strings_thing(0);
1454}
1455
1456
1457
1458/**
1459 * Stop @c magicdev if it's running.
1460 * The command used to start it is saved in @p g_magicdev_command.
1461 */
1462void stop_magicdev_if_necessary()
1463{
1464 strcpy(g_magicdev_command,
1465 call_program_and_get_last_line_of_output
1466 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1467 if (g_magicdev_command[0]) {
1468 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1469 paranoid_system("killall magicdev");
1470 }
1471}
1472
1473
1474/**
1475 * Restart magicdev if it was stopped.
1476 */
1477void restart_magicdev_if_necessary()
1478{
1479 char *tmp;
1480
1481 malloc_string(tmp);
1482 if (g_magicdev_command && g_magicdev_command[0]) {
1483 sprintf(tmp, "%s &", g_magicdev_command);
1484 paranoid_system(tmp);
1485 }
1486 paranoid_free(tmp);
1487}
1488
1489/* @} - end of utilityGroup */
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