source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-tools.c@ 2315

Last change on this file since 2315 was 2301, checked in by Bruno Cornec, 15 years ago
  • g_serial_string is managed dynamically
  • Property svn:keywords set to Id
File size: 38.8 KB
Line 
1/*
2 $Id: libmondo-tools.c 2301 2009-07-23 17:52:12Z 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 2301 2009-07-23 17:52:12Z bruno $";
30
31extern int g_tape_buffer_size_MB;
32extern bool g_text_mode;
33extern int g_currentY;
34extern int g_current_media_number;
35extern char *MONDO_LOGFILE;
36
37/* Reference to global bkpinfo */
38extern struct s_bkpinfo *bkpinfo;
39
40/**
41 * @addtogroup globalGroup
42 * @{
43 */
44bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
45 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
46bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
47double g_kernel_version;
48
49/**
50 * The place where /boot is mounted.
51 */
52char *g_boot_mountpt = NULL;
53
54/**
55 * The location of Mondo's home directory.
56 */
57char *g_mondo_home = NULL;
58
59/**
60 * The serial string (used to differentiate between backups) of the current backup.
61 */
62char *g_serial_string = NULL;
63
64/**
65 * The location where tmpfs is mounted, or "" if it's not mounted.
66char *g_tmpfs_mountpt = NULL;
67 */
68char *g_magicdev_command = NULL;
69
70/**
71 * The default maximum level to log messages at or below.
72 */
73int g_loglevel = DEFAULT_DEBUG_LEVEL;
74
75/* @} - end of globalGroup */
76
77
78extern pid_t g_buffer_pid;
79extern pid_t g_main_pid;
80
81extern t_bkptype g_backup_media_type;
82
83extern bool am_I_in_disaster_recovery_mode(void);
84
85/*-----------------------------------------------------------*/
86
87
88/**
89 * @addtogroup utilityGroup
90 * @{
91 */
92/**
93 * Assertion handler. Prints a friendly message to the user,
94 * offering to ignore all, dump core, break to debugger,
95 * exit, or ignore. Intended to be used with an assert() macro.
96 *
97 * @param file The file in which the assertion triggered.
98 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
99 * @param line The line number of the assert() statement.
100 * @param exp The expression that failed (as a string).
101 */
102void _mondo_assert_fail(const char *file,
103 const char *function, int line, const char *exp)
104{
105 static int ignoring_assertions = 0;
106 bool is_valid = TRUE;
107
108 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
109 function);
110 if (ignoring_assertions) {
111 log_it("Well, the user doesn't care...");
112 return;
113 }
114#ifndef _XWIN
115 if (!g_text_mode)
116 newtSuspend();
117#endif
118 printf("ASSERTION FAILED: `%s'\n", exp);
119 printf("\tat %s:%d in %s\n\n", file, line, function);
120 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
121 do {
122 is_valid = TRUE;
123 switch (toupper(getchar())) {
124 case 'A': // ignore (A)ll
125 ignoring_assertions = 1;
126 break;
127 case 'B': // a(B)ort
128 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
129 raise(SIGABRT);
130 break; /* "can't get here" */
131 case 'D': // (D)ebug, aka asm("int 3")
132#ifdef __IA32__
133 __asm__ __volatile__("int $3"); // break to debugger
134#endif
135 break;
136 case 'E': // (E)xit
137 fatal_error("Failed assertion -- see above for details");
138 break; /* "can't get here" */
139 case 'I': // (I)gnore
140 break;
141 /* These next two work as follows:
142 the `default' catches the user's invalid choice and says so;
143 the '\n' catches the newline on the end and prints the prompt again.
144 */
145 case '\n':
146 printf
147 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
148 break;
149 default:
150 is_valid = FALSE;
151 printf("Invalid choice.\n");
152 break;
153 }
154 } while (!is_valid);
155
156 if (ignoring_assertions) {
157 log_it("Ignoring ALL assertions from now on.");
158 } else {
159 log_it("Ignoring assertion: %s", exp);
160 }
161
162 getchar(); // skip \n
163
164#ifndef _XWIN
165 if (!g_text_mode)
166 newtResume();
167#endif
168}
169
170/**
171 * Clean's up users' KDE desktops.
172 * @bug Details about this function are unknown.
173 */
174void clean_up_KDE_desktop_if_necessary(void)
175{
176 char *tmp;
177
178 malloc_string(tmp);
179 strcpy(tmp,
180 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
181file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
182awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
183else { print $0;};}' $file.old > $file ; fi ; done");
184 run_program_and_log_output(tmp, 5);
185 paranoid_free(tmp);
186}
187
188
189/**
190 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
191 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
192 *
193 * @param home_sz String to store the home directory ("" if it could not be found).
194 * @return 0 for success, nonzero for failure.
195 */
196int find_and_store_mondoarchives_home(char *home_sz)
197{
198 assert(home_sz != NULL);
199 strcpy(home_sz, MONDO_SHARE);
200 return (0);
201}
202
203
204char *get_architecture(void) {
205#ifdef __IA32__
206# ifdef __X86_64__
207 return ("x86_64");
208# else
209 return ("i386");
210# endif
211#endif
212#ifdef __IA64__
213 return ("ia64");
214#endif
215 return ("unknown");
216}
217
218
219char *get_uname_m(void) {
220
221 struct utsname utsn;
222 char *tmp = NULL;
223
224 uname(&utsn);
225 mr_asprintf(&tmp, "%s", utsn.machine);
226 return (tmp);
227}
228
229
230
231double get_kernel_version(void)
232{
233 char *p, tmp[200];
234 double d;
235#ifdef __FreeBSD__
236 // JOSH - FIXME :)
237 d = 5.2; // :-)
238#else
239 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
240 p = strchr(tmp, '.');
241 if (p) {
242 p = strchr(++p, '.');
243 if (p) {
244 while (*p) {
245 *p = *(p + 1);
246 p++;
247 }
248 }
249 }
250// log_msg(1, "tmp = '%s'", tmp);
251 d = atof(tmp);
252#endif
253 log_msg(1, "g_kernel_version = %f", d);
254 return (d);
255}
256
257
258
259
260
261/**
262 * Get the current time.
263 * @return number of seconds since the epoch.
264 */
265long get_time()
266{
267 return (long) time((void *) 0);
268}
269
270
271
272
273
274
275
276/**
277 * Initialize a RAID volume structure, setting fields to zero. The
278 * actual hard drive is unaffected.
279 *
280 * @param raidrec The RAID volume structure to initialize.
281 * @note This function is system dependent.
282 */
283#ifdef __FreeBSD__
284void initialize_raidrec(struct vinum_volume *raidrec)
285{
286 int i, j;
287 raidrec->volname[0] = '\0';
288 raidrec->plexes = 0;
289 for (i = 0; i < 9; ++i) {
290 raidrec->plex[i].raidlevel = -1;
291 raidrec->plex[i].stripesize = 0;
292 raidrec->plex[i].subdisks = 0;
293 for (j = 0; j < 9; ++j) {
294 strcpy(raidrec->plex[i].sd[j].which_device, "");
295 }
296 }
297}
298#else
299void initialize_raidrec(struct raid_device_record *raidrec)
300{
301 assert(raidrec != NULL);
302 raidrec->raid_device[0] = '\0';
303 raidrec->raid_level = -9;
304 raidrec->persistent_superblock = 1;
305 raidrec->chunk_size = 64;
306 raidrec->parity = -1;
307 raidrec->data_disks.entries = 0;
308 raidrec->spare_disks.entries = 0;
309 raidrec->parity_disks.entries = 0;
310 raidrec->failed_disks.entries = 0;
311 raidrec->additional_vars.entries = 0;
312}
313#endif
314
315
316
317
318/**
319 * Insert modules that Mondo requires.
320 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
321 * @c msdosfs and @c ext2fs for FreeBSD.
322 */
323void insmod_crucial_modules(void)
324{
325#ifdef __FreeBSD__
326 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
327 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
328#else
329 system("modprobe -a msdos vfat loop &> /dev/null");
330#endif
331}
332
333
334/**
335 * Log a trace message to the trace file.
336 * @bug This function seems orphaned. Please remove.
337 */
338void log_trace(char *o)
339{
340 /*@ pointers **************************************************** */
341 FILE *fout;
342
343 /*@ buffers ***************************************************** */
344 char output[MAX_STR_LEN];
345
346 /*@ int ****************************************************** */
347 int i;
348
349 /*@ end vars *************************************************** */
350
351 if (o[0] == '\0') {
352 return;
353 }
354 strcpy(output, o);
355 i = (int) strlen(output);
356 if (i <= 0) {
357 return;
358 }
359 if (output[i - 1] < 32) {
360 output[i - 1] = '\0';
361 }
362 if (g_text_mode
363 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
364 printf("%s\n", output);
365 }
366
367 fout = fopen(MONDO_TRACEFILE, "a");
368 if (fout) {
369 fprintf(fout, "%s\n", output);
370 paranoid_fclose(fout);
371 } else {
372 log_OS_error("Cannot write to tracefile");
373 }
374}
375
376
377
378
379
380/**
381 * Finish configuring the backup information structure. Call this function
382 * to set the parameters that depend on those that can be given on the command
383 * line.
384 *
385 * @param bkpinfo The backup information structure. Fields modified/used:
386 * - Used: @c bkpinfo->backup_data
387 * - Used: @c bkpinfo->backup_media_type
388 * - Used: @c bkpinfo->cdrw_speed
389 * - Used: @c bkpinfo->compression_level
390 * - Used: @c bkpinfo->include_paths
391 * - Used: @c bkpinfo->prefix
392 * - Used: @c bkpinfo->isodir
393 * - Used: @c bkpinfo->manual_cd_tray
394 * - Used: @c bkpinfo->make_cd_use_lilo
395 * - Used: @c bkpinfo->media_device
396 * - Used: @c bkpinfo->nfs_mount
397 * - Used: @c bkpinfo->nonbootable_backup
398 * - Used: @c bkpinfo->scratchdir
399 * - Used: @c bkpinfo->tmpdir
400 * - Used: @c bkpinfo->use_lzo
401 * - Modified: @c bkpinfo->call_before_iso
402 * - Modified: @c bkpinfo->call_make_iso
403 * - Modified: @c bkpinfo->optimal_set_size
404 * - Modified: @c bkpinfo->zip_exe
405 * - Modified: @c bkpinfo->zip_suffix
406 *
407 * @return number of errors, or 0 for success.
408 * @note Also creates directories that are specified in the @c bkpinfo structure but
409 * do not exist.
410 */
411int post_param_configuration()
412{
413 char *extra_cdrom_params = NULL;
414 char *mondo_mkisofs_sz = NULL;
415 char *command = NULL;
416 char *mtpt;
417 char *hostname;
418 char *ip_address = NULL;
419 int retval = 0;
420 char *colon;
421 char *cdr_exe;
422 char *tmp = NULL;
423 char call_before_iso_user[MAX_STR_LEN] = "\0";
424 /*
425 long avm = 0;
426 int rdsiz_MB;
427 */
428 char *iso_dev = NULL;
429 char *iso_mnt = NULL;
430 char *iso_tmp = NULL;
431 char *iso_path = NULL;
432
433 assert(bkpinfo != NULL);
434 malloc_string(mtpt);
435 malloc_string(hostname);
436 malloc_string(cdr_exe);
437 bkpinfo->optimal_set_size =
438 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
439 1024;
440
441 log_msg(1, "Foo");
442 if (bkpinfo->backup_media_type == tape) {
443 log_msg(1, "Bar");
444 mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
445 log_msg(1, "tmp = '%s'", tmp);
446 if (run_program_and_log_output(tmp, 3)) {
447 mr_free(tmp);
448 fatal_error
449 ("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.");
450 }
451 mr_free(tmp);
452 }
453 make_hole_for_dir(bkpinfo->scratchdir);
454 if (bkpinfo->backup_media_type == iso)
455 make_hole_for_dir(bkpinfo->isodir);
456
457 run_program_and_log_output("uname -a", 5);
458 run_program_and_log_output("cat /etc/*-release", 5);
459 run_program_and_log_output("cat /etc/*issue*", 5);
460#ifdef __FreeBSD__
461#else
462 run_program_and_log_output("cat /proc/cpuinfo", 5);
463 run_program_and_log_output
464 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
465 5);
466#endif
467
468 if (bkpinfo->use_lzo) {
469 strcpy(bkpinfo->zip_exe, "lzop");
470 strcpy(bkpinfo->zip_suffix, "lzo");
471 } else if (bkpinfo->use_gzip) {
472 strcpy(bkpinfo->zip_exe, "gzip");
473 strcpy(bkpinfo->zip_suffix, "gz");
474 } else if (bkpinfo->compression_level != 0) {
475 strcpy(bkpinfo->zip_exe, "bzip2");
476 strcpy(bkpinfo->zip_suffix, "bz2");
477 } else {
478 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
479 }
480
481// DVD
482
483 if (bkpinfo->backup_media_type == dvd) {
484 if (find_home_of_exe("growisofs")) {
485 strcpy(cdr_exe, "growisofs");
486 } // unlikely to be used
487 else {
488 fatal_error("Please install growisofs.");
489 }
490 if (bkpinfo->nonbootable_backup) {
491 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
492 } else if
493#ifdef __FreeBSD__
494 (TRUE)
495#else
496 (bkpinfo->make_cd_use_lilo)
497#endif
498#ifdef __IA64__
499 {
500 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
501 }
502#else
503 {
504 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
505 }
506#endif
507 else
508 {
509 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
510 }
511 if (bkpinfo->manual_cd_tray) {
512 paranoid_free(mondo_mkisofs_sz);
513 fatal_error("Manual CD tray + DVD not supported yet.");
514 // -m isn't supported by growisofs, BTW...
515 } else {
516 sprintf(bkpinfo->call_make_iso,
517 "%s %s -Z %s . 2>> _ERR_",
518 mondo_mkisofs_sz,
519 "", bkpinfo->media_device);
520 paranoid_free(mondo_mkisofs_sz);
521 }
522 if (getenv ("SUDO_COMMAND")) {
523 mr_asprintf(&command, "strings `which growisofs` | grep -c SUDO_COMMAND");
524 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
525 mr_free(command);
526 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
527 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
528 }
529 mr_free(command);
530 }
531 log_msg(2, "call_make_iso (DVD res) is ... %s",
532 bkpinfo->call_make_iso);
533 } // end of DVD code
534
535// CD-R or CD-RW
536 if (bkpinfo->backup_media_type == cdrw
537 || bkpinfo->backup_media_type == cdr) {
538 if (!bkpinfo->manual_cd_tray) {
539 mr_asprintf(&extra_cdrom_params, "-waiti ");
540 }
541 if (bkpinfo->backup_media_type == cdrw) {
542 mr_asprintf(&extra_cdrom_params, "blank=fast ");
543 }
544 if (find_home_of_exe("cdrecord")) {
545 strcpy(cdr_exe, "cdrecord");
546 } else if (find_home_of_exe("dvdrecord")) {
547 strcpy(cdr_exe, "dvdrecord");
548 } else {
549 fatal_error("Please install either cdrecord or dvdrecord.");
550 }
551 if (bkpinfo->nonbootable_backup) {
552 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
553 } else if
554#ifdef __FreeBSD__
555 (TRUE)
556#else
557 (bkpinfo->make_cd_use_lilo)
558#endif
559#ifdef __IA64__
560 {
561 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
562 }
563#else
564 {
565 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
566 }
567#endif
568 else
569 {
570 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
571 }
572 if (bkpinfo->manual_cd_tray) {
573 if (bkpinfo->call_before_iso[0] == '\0') {
574 sprintf(bkpinfo->call_before_iso,
575 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
576 mondo_mkisofs_sz, bkpinfo->tmpdir);
577 } else {
578 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
579 sprintf (bkpinfo->call_before_iso,
580 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
581 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
582 }
583 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
584 sprintf(bkpinfo->call_make_iso,
585 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
586 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
587 extra_cdrom_params, bkpinfo->media_device,
588 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
589 } else {
590 sprintf(bkpinfo->call_make_iso,
591 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
592 mondo_mkisofs_sz, cdr_exe,
593 (bkpinfo->please_dont_eject) ? " " : "-eject",
594 extra_cdrom_params, bkpinfo->media_device,
595 bkpinfo->cdrw_speed);
596 }
597 paranoid_free(mondo_mkisofs_sz);
598 paranoid_free(extra_cdrom_params);
599 } // end of CD code
600
601 if (bkpinfo->backup_media_type == iso) {
602
603/* Patch by Conor Daly <conor.daly@met.ie>
604 * 23-june-2004
605 * Break up isodir into iso_mnt and iso_path
606 * These will be used along with iso-dev at restore time
607 * to locate the ISOs where ever they're mounted
608 */
609
610 log_it("isodir = %s", bkpinfo->isodir);
611 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
612 log_it("command = %s", command);
613 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
614 mr_asprintf(&iso_dev, "%s", call_program_and_get_last_line_of_output(command));
615 mr_asprintf(&tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
616 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
617 mr_free(tmp);
618 mr_free(command);
619
620 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
621 mr_free(iso_dev);
622
623 log_it("command = %s", command);
624 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
625 mr_asprintf(&iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
626 mr_asprintf(&tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
627 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
628 mr_free(tmp);
629 mr_free(command);
630
631 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
632 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
633 if (strlen(iso_tmp) < strlen(iso_mnt)) {
634 mr_asprintf(&iso_path, "%s", "");
635 } else {
636 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
637 }
638 mr_free(iso_tmp);
639
640 mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
641 write_one_liner_data_file(tmp, iso_path);
642 mr_free(tmp);
643
644 log_it("isodir: %s", iso_path);
645 mr_free(iso_path);
646
647 mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
648 write_one_liner_data_file(tmp, bkpinfo->prefix);
649 mr_free(tmp);
650
651 log_it("iso-prefix: %s", bkpinfo->prefix);
652
653/* End patch */
654 } // end of iso code
655
656 if (bkpinfo->backup_media_type == nfs) {
657 strcpy(hostname, bkpinfo->nfs_mount);
658 colon = strchr(hostname, ':');
659 if (!colon) {
660 log_it("nfs mount doesn't have a colon in it");
661 retval++;
662 } else {
663 struct hostent *hent;
664
665 *colon = '\0';
666 hent = gethostbyname(hostname);
667 if (!hent) {
668 log_it("Can't resolve NFS mount (%s): %s", hostname,
669 hstrerror(h_errno));
670 retval++;
671 } else {
672 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
673 mr_strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
674 strcpy(bkpinfo->nfs_mount, ip_address);
675 paranoid_free(ip_address);
676 }
677 }
678 store_nfs_config();
679 }
680
681 log_it("Finished processing incoming params");
682 if (retval) {
683 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
684 }
685 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
686 log_it("tmpdir or scratchdir are blank/missing");
687 retval++;
688 }
689 if (bkpinfo->include_paths[0] == '\0') {
690 // fatal_error ("Why no backup path?");
691 strcpy(bkpinfo->include_paths, "/");
692 }
693 chmod(bkpinfo->scratchdir, 0700);
694 g_backup_media_type = bkpinfo->backup_media_type;
695 paranoid_free(mtpt);
696 paranoid_free(hostname);
697 paranoid_free(cdr_exe);
698 return (retval);
699}
700
701
702
703/**
704 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
705 * Seeds the random-number generator, loads important modules, checks the sanity
706 * of the user's Linux distribution, and deletes logfile.
707 * @param bkpinfo The backup information structure. Will be initialized.
708 * @return number of errors (0 for success)
709 */
710int pre_param_configuration()
711{
712 int res = 0;
713 char *tmp = NULL;
714
715 make_hole_for_dir(MNT_CDROM);
716 assert(bkpinfo != NULL);
717 srandom((unsigned long) (time(NULL)));
718 insmod_crucial_modules();
719 if (bkpinfo->disaster_recovery) {
720 if (!does_nonMS_partition_exist()) {
721 fatal_error
722 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
723 }
724 }
725
726 unlink(MONDO_TRACEFILE);
727 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
728 run_program_and_log_output(tmp, FALSE);
729 paranoid_free(tmp);
730 if (find_and_store_mondoarchives_home(g_mondo_home)) {
731 fprintf(stderr,
732 "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");
733 res++;
734 return (res);
735 }
736 res += some_basic_system_sanity_checks();
737 if (res) {
738 log_it("Your distribution did not pass Mondo's sanity test.");
739 }
740 g_current_media_number = 1;
741 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
742 return (res);
743}
744
745void setup_tmpdir(char *path) {
746
747 char *tmp = NULL;
748 char *p = NULL;
749
750 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
751 /* purging a potential old tmpdir */
752 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
753 system(tmp);
754 paranoid_free(tmp);
755 }
756
757 if (path != NULL) {
758 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
759 } else if (getenv("TMPDIR")) {
760 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
761 } else if (getenv("TMP")) {
762 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
763 } else {
764 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
765 }
766 p = mkdtemp(tmp);
767 if (p == NULL) {
768 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
769 finish(-1);
770 }
771 strcpy(bkpinfo->tmpdir,p);
772 paranoid_free(tmp);
773}
774
775
776/**
777 * Reset all fields of the backup information structure to a sensible default.
778 * @param bkpinfo The @c bkpinfo to reset.
779 */
780void reset_bkpinfo()
781{
782 int i;
783
784 log_msg(1, "Hi");
785 assert(bkpinfo != NULL);
786 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
787
788 bkpinfo->media_device[0] = '\0';
789 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
790 bkpinfo->media_size[i] = -1;
791 }
792 bkpinfo->boot_loader = '\0';
793 bkpinfo->boot_device[0] = '\0';
794 bkpinfo->zip_exe[0] = '\0';
795 bkpinfo->zip_suffix[0] = '\0';
796 bkpinfo->image_devs[0] = '\0';
797 bkpinfo->compression_level = 3;
798 bkpinfo->use_lzo = FALSE;
799 bkpinfo->use_gzip = FALSE;
800 bkpinfo->do_not_compress_these[0] = '\0';
801 bkpinfo->verify_data = FALSE;
802 bkpinfo->backup_data = FALSE;
803 bkpinfo->restore_data = FALSE;
804 bkpinfo->use_star = FALSE;
805 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
806 bkpinfo->disaster_recovery =
807 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
808 if (bkpinfo->disaster_recovery) {
809 strcpy(bkpinfo->isodir, "/");
810 } else {
811 strcpy(bkpinfo->isodir, MONDO_CACHE);
812 }
813 strcpy(bkpinfo->prefix, STD_PREFIX);
814 sensibly_set_tmpdir_and_scratchdir();
815
816 bkpinfo->optimal_set_size = 0;
817 strcpy(bkpinfo->include_paths, "/");
818 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
819 bkpinfo->include_paths[0] = '\0';
820 bkpinfo->exclude_paths[0] = '\0';
821 bkpinfo->restore_path[0] = '\0';
822 bkpinfo->call_before_iso[0] = '\0';
823 bkpinfo->call_make_iso[0] = '\0';
824 bkpinfo->call_burn_iso[0] = '\0';
825 bkpinfo->call_after_iso[0] = '\0';
826 bkpinfo->kernel_path[0] = '\0';
827 bkpinfo->nfs_mount[0] = '\0';
828 bkpinfo->nfs_user = NULL;
829 bkpinfo->nfs_remote_dir[0] = '\0';
830 bkpinfo->postnuke_tarball[0] = '\0';
831 bkpinfo->wipe_media_first = FALSE;
832 bkpinfo->differential = 0;
833 bkpinfo->please_dont_eject = FALSE;
834 bkpinfo->cdrw_speed = 0;
835 bkpinfo->manual_cd_tray = FALSE;
836 bkpinfo->nonbootable_backup = FALSE;
837 bkpinfo->make_cd_use_lilo = FALSE;
838 bkpinfo->use_obdr = FALSE;
839 bkpinfo->restore_mode = interactive;
840}
841
842
843
844
845/**
846 * Get the remaining free space (in MB) on @p partition.
847 * @param partition The partition to check free space on (either a device or a mountpoint).
848 * @return The free space on @p partition, in MB.
849 */
850long free_space_on_given_partition(char *partition)
851{
852 char *out_sz = NULL;
853 char *command = NULL;
854 long res;
855
856 assert_string_is_neither_NULL_nor_zerolength(partition);
857
858 mr_asprintf(&command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
859 if (system(command)) {
860 mr_free(command);
861 return (-1);
862 } // partition does not exist
863 mr_free(command);
864
865 mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
866 partition);
867 mr_asprintf(&out_sz, "%s", call_program_and_get_last_line_of_output(command));
868 mr_free(command);
869
870 if (strlen(out_sz) == 0) {
871 mr_free(out_sz);
872 return (-1);
873 } // error within df, probably
874 res = atol(out_sz);
875 mr_free(out_sz);
876 return (res);
877}
878
879
880
881/**
882 * Check the user's system for sanity. Checks performed:
883 * - make sure user has enough RAM (32mb required, 64mb recommended)
884 * - make sure user has enough free space in @c /
885 * - check kernel for ramdisk support
886 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
887 * - make sure CD-ROM is unmounted
888 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
889 *
890 * @return number of problems with the user's setup (0 for success)
891 */
892int some_basic_system_sanity_checks()
893{
894
895 /*@ buffers ************ */
896 char *tmp = NULL;
897
898 /*@ int's *************** */
899 int retval = 0;
900
901 mvaddstr_and_log_it(g_currentY, 0,
902 "Checking sanity of your Linux distribution");
903#ifndef __FreeBSD__
904 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
905 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
906 log_it
907 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
908 run_program_and_log_output
909 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
910 }
911 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
912 if (atol(tmp) < 35000) {
913 retval++;
914 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
915 }
916 if (atol(tmp) < 66000) {
917 log_to_screen
918 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
919 }
920 mr_free(tmp);
921#endif
922
923 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
924 retval++;
925 log_to_screen
926 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
927 fatal_error
928 ("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. :)");
929 }
930#ifndef __FreeBSD__
931 if (run_program_and_log_output
932 ("grep ramdisk /proc/devices", FALSE)) {
933 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
934 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
935 if (run_program_and_log_output
936 ("grep ramdisk /proc/devices", FALSE)) {
937 if (!ask_me_yes_or_no
938 ("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?"))
939 {
940 // retval++;
941 log_to_screen
942 ("It looks as if your kernel lacks ramdisk and initrd support.");
943 log_to_screen
944 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
945 }
946 }
947 }
948#endif
949 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
950 retval += whine_if_not_found("mkisofs");
951 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
952 retval += whine_if_not_found("cdrecord");
953 }
954 retval += whine_if_not_found("bzip2");
955 retval += whine_if_not_found("gzip");
956 retval += whine_if_not_found("awk");
957 retval += whine_if_not_found("md5sum");
958 retval += whine_if_not_found("strings");
959 retval += whine_if_not_found("mindi");
960 retval += whine_if_not_found("buffer");
961
962 // abort if Windows partition but no ms-sys and parted
963 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
964 log_to_screen("I think you have a Windows 9x partition.");
965 retval += whine_if_not_found("parted");
966 }
967
968 if (!find_home_of_exe("cmp")) {
969 if (!find_home_of_exe("true")) {
970 whine_if_not_found("cmp");
971 } else {
972 log_to_screen
973 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
974 if (run_program_and_log_output
975 ("cp -f `which true` /usr/bin/cmp", 0)) {
976 fatal_error("Failed to create dummy 'cmp' file.");
977 }
978 }
979 }
980 run_program_and_log_output
981 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
982 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\""));
983 if (strcmp("", tmp)) {
984 if (strstr(tmp, "autofs")) {
985 log_to_screen
986 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
987 log_to_screen
988 ("if a CD actually is inserted. If a CD is inserted, please");
989 log_to_screen("eject it. Thank you.");
990 log_it
991 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
992 } else
993 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
994 retval++;
995 mr_free(tmp);
996 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
997 }
998 }
999 mr_free(tmp);
1000
1001 run_program_and_log_output("cat /etc/fstab", 5);
1002#ifdef __FreeBSD__
1003 run_program_and_log_output("vinum printconfig", 5);
1004#else
1005 run_program_and_log_output("cat /etc/raidtab", 5);
1006#endif
1007
1008 if (run_program_and_log_output("mindi -V", 1)) {
1009 log_to_screen("Could not ascertain mindi's version number.");
1010 log_to_screen
1011 ("You have not installed Mondo and/or Mindi properly.");
1012 log_to_screen("Please uninstall and reinstall them both.");
1013 fatal_error("Please reinstall Mondo and Mindi.");
1014 }
1015 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1016 if (run_program_and_log_output(tmp, 5)) {
1017 mr_free(tmp);
1018 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1019 log_to_screen(tmp);
1020 log_to_screen
1021 ("Please run that command by hand and examine /var/log/mindi.log");
1022 log_to_screen
1023 ("for more information. Perhaps your /etc/fstab file is insane.");
1024 log_to_screen
1025 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1026 retval++;
1027 }
1028 mr_free(tmp);
1029
1030 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1031 && !does_file_exist("/etc/raidtab")) {
1032 log_to_screen
1033 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1034 create_raidtab_from_mdstat("/etc/raidtab");
1035 }
1036
1037 if (retval) {
1038 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1039 } else {
1040 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1041 }
1042 return (retval);
1043}
1044
1045/**
1046 * Retrieve the line containing @p label from the config file.
1047 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1048 * @param label What to read from the file.
1049 * @param value Where to put it.
1050 * @return 0 for success, 1 for failure.
1051 */
1052int read_cfg_var(char *config_file, char *label, char *value)
1053{
1054 /*@ buffer ****************************************************** */
1055 char *command = NULL;
1056 char *tmp = NULL;
1057
1058 /*@ end vars *************************************************** */
1059
1060 assert_string_is_neither_NULL_nor_zerolength(config_file);
1061 assert_string_is_neither_NULL_nor_zerolength(label);
1062 if (!does_file_exist(config_file)) {
1063 mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file", config_file);
1064 log_to_screen(tmp);
1065 mr_free(tmp);
1066
1067 value[0] = '\0';
1068 return (1);
1069 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1070 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1071 return (0);
1072 } else {
1073 mr_asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
1074 strcpy(value, call_program_and_get_last_line_of_output(command));
1075 mr_free(command);
1076
1077 if (strlen(value) == 0) {
1078 return (1);
1079 } else {
1080 return (0);
1081 }
1082 }
1083}
1084
1085
1086
1087/**
1088 * Remount @c supermount if it was unmounted earlier.
1089 */
1090void remount_supermounts_if_necessary()
1091{
1092 if (g_remount_cdrom_at_end) {
1093 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1094 }
1095 if (g_remount_floppy_at_end) {
1096 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1097 }
1098}
1099
1100/**
1101 * Unmount @c supermount if it's mounted.
1102 */
1103void unmount_supermounts_if_necessary()
1104{
1105 if (run_program_and_log_output
1106 ("mount | grep cdrom | grep super", FALSE) == 0) {
1107 g_remount_cdrom_at_end = TRUE;
1108 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1109 }
1110 if (run_program_and_log_output
1111 ("mount | grep floppy | grep super", FALSE) == 0) {
1112 g_remount_floppy_at_end = TRUE;
1113 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1114 }
1115}
1116
1117/**
1118 * Whether we had to stop autofs (if so, restart it at end).
1119 */
1120bool g_autofs_stopped = FALSE;
1121
1122/**
1123 * Path to the autofs initscript ("" if none exists).
1124 */
1125char g_autofs_exe[MAX_STR_LEN];
1126
1127/**
1128 * Autofs initscript in Xandros Linux distribution.
1129 */
1130#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1131
1132/**
1133 * Autofs initscript in most Linux distributions.
1134 */
1135#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1136
1137/**
1138 * If autofs is mounted, stop it (restart at end).
1139 */
1140void stop_autofs_if_necessary()
1141{
1142 char *tmp = NULL;
1143
1144 g_autofs_exe[0] = '\0';
1145 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1146 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1147 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1148 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1149 }
1150
1151 if (!g_autofs_exe[0]) {
1152 log_msg(3, "No autofs detected.");
1153 } else {
1154 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1155 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1156 mr_asprintf(&tmp, "%s stop", g_autofs_exe);
1157 if (run_program_and_log_output(tmp, 2)) {
1158 log_it("Failed to stop autofs - I assume it wasn't running");
1159 } else {
1160 g_autofs_stopped = TRUE;
1161 log_it("Stopped autofs OK");
1162 }
1163 mr_free(tmp);
1164 }
1165}
1166
1167/**
1168 * If autofs was stopped earlier, restart it.
1169 */
1170void restart_autofs_if_necessary()
1171{
1172 char *tmp = NULL;
1173
1174 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1175 log_msg(3, "No autofs detected.");
1176 return;
1177 }
1178 mr_asprintf(&tmp, "%s start", g_autofs_exe);
1179 if (run_program_and_log_output(tmp, 2)) {
1180 log_it("Failed to start autofs");
1181 } else {
1182 g_autofs_stopped = FALSE;
1183 log_it("Started autofs OK");
1184 }
1185 mr_free(tmp);
1186}
1187
1188
1189/**
1190 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1191 */
1192void mount_boot_if_necessary()
1193{
1194 char *tmp = NULL;
1195 char *command = NULL;
1196
1197 log_msg(1, "Started sub");
1198 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1199 g_boot_mountpt[0] = '\0';
1200 log_msg(4, "Done. Great. Seeting command to something");
1201 mr_asprintf(&command, "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1202 log_msg(4, "Cool. Command = '%s'", command);
1203 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1204 mr_free(command);
1205
1206 log_msg(4, "tmp = '%s'", tmp);
1207 if (tmp[0]) {
1208 log_it("/boot is at %s according to /etc/fstab", tmp);
1209 mr_asprintf(&command, "mount | grep -Ew '/boot'");
1210 mr_free(tmp);
1211 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1212 mr_free(command);
1213
1214 if (!strcmp(tmp,"")) {
1215 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1216 if (!run_program_and_log_output("mount /boot", 5)) {
1217 strcpy(g_boot_mountpt, "/boot");
1218 log_msg(1, "Mounted /boot");
1219 } else {
1220 log_it("...ignored cos it's a label or uuid :-)");
1221 }
1222 } else {
1223 mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
1224 log_msg(3, "command = %s", command);
1225 if (run_program_and_log_output(command, 5)) {
1226 strcpy(g_boot_mountpt, tmp);
1227 mr_free(tmp);
1228 mr_asprintf(&tmp, "%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
1229 log_it(tmp);
1230 mr_free(tmp);
1231
1232 mr_asprintf(&tmp, "mount %s", g_boot_mountpt);
1233 if (run_program_and_log_output(tmp, 5)) {
1234 g_boot_mountpt[0] = '\0';
1235 log_msg(1, "Plan B");
1236 if (!run_program_and_log_output("mount /boot", 5)) {
1237 strcpy(g_boot_mountpt, "/boot");
1238 log_msg(1, "Plan B worked");
1239 } else {
1240 log_msg(1,
1241 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1242 }
1243 }
1244 mr_free(tmp);
1245 }
1246 mr_free(command);
1247 }
1248 }
1249 }
1250 log_msg(1, "Ended sub");
1251}
1252
1253
1254/**
1255 * If we mounted /boot earlier, unmount it.
1256 */
1257void unmount_boot_if_necessary()
1258{
1259 char *tmp = NULL;
1260
1261 log_msg(3, "starting");
1262 if (g_boot_mountpt[0]) {
1263 mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
1264 if (run_program_and_log_output(tmp, 5)) {
1265 log_it("WARNING - unable to unmount /boot");
1266 }
1267 mr_free(tmp);
1268 }
1269 log_msg(3, "leaving");
1270}
1271
1272
1273
1274/**
1275 * Write a line to a configuration file. Writes a line of the form,
1276 * @c label @c value.
1277 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1278 * @param label What to call this bit of data you're writing.
1279 * @param value The bit of data you're writing.
1280 * @return 0 for success, 1 for failure.
1281 */
1282int write_cfg_var(char *config_file, char *label, char *value)
1283{
1284 /*@ buffers ***************************************************** */
1285 char *command = NULL;
1286 char *tempfile = NULL;
1287 char *tmp = NULL;
1288
1289
1290 /*@ end vars *************************************************** */
1291 assert_string_is_neither_NULL_nor_zerolength(config_file);
1292 assert_string_is_neither_NULL_nor_zerolength(label);
1293 assert(value != NULL);
1294 if (!does_file_exist(config_file)) {
1295 mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file", config_file);
1296 log_to_screen(tmp);
1297 mr_free(tmp);
1298 return (1);
1299 }
1300 mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1301 if (does_file_exist(config_file)) {
1302 mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
1303 paranoid_system(command);
1304 mr_free(command);
1305 }
1306 mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1307 paranoid_system(command);
1308 mr_free(command);
1309
1310 mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
1311 paranoid_system(command);
1312 mr_free(command);
1313 unlink(tempfile);
1314 mr_free(tempfile);
1315 return (0);
1316}
1317
1318
1319/**
1320 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1321 * information to the logfile.
1322 */
1323void standard_log_debug_msg(int debug_level, const char *szFile,
1324 const char *szFunction, int nLine,
1325 const char *fmt, ...)
1326{
1327 va_list args;
1328 int i;
1329 static int depth = 0;
1330 FILE *fout;
1331
1332 if (depth > 5) {
1333 depth--;
1334 return;
1335 }
1336 depth++;
1337
1338 if (debug_level <= g_loglevel) {
1339 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1340 return;
1341 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1342
1343 // add tabs to distinguish log levels
1344 if (debug_level > 0) {
1345 for (i = 1; i < debug_level; i++)
1346 fprintf(fout, "\t");
1347 if (getpid() == g_main_pid)
1348 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1349 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1350 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1351 else
1352 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1353 }
1354 va_start(args, fmt);
1355 vfprintf(fout, fmt, args);
1356 va_end(args);
1357
1358 // do not slow down the progran if standard debug level
1359 // must be enabled: if no flush, the log won't be up-to-date if there
1360 // is a segfault
1361 //if (g_dwDebugLevel != 1)
1362
1363 fprintf(fout, "\n");
1364 paranoid_fclose(fout);
1365 }
1366 depth--;
1367}
1368
1369/**
1370 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1371 */
1372void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1373 ...) = standard_log_debug_msg;
1374
1375
1376/**
1377 * Allocate or free important globals, depending on @p mal.
1378 * @param mal If TRUE, malloc; if FALSE, free.
1379 */
1380void do_libmondo_global_strings_thing(int mal)
1381{
1382 if (mal) {
1383 malloc_string(g_boot_mountpt);
1384 malloc_string(g_mondo_home);
1385 /*
1386 malloc_string(g_tmpfs_mountpt);
1387 */
1388 malloc_string(g_magicdev_command);
1389 } else {
1390 paranoid_free(g_boot_mountpt);
1391 paranoid_free(g_mondo_home);
1392 /*
1393 paranoid_free(g_tmpfs_mountpt);
1394 */
1395 mr_free(g_serial_string);
1396 paranoid_free(g_magicdev_command);
1397
1398 }
1399}
1400
1401/**
1402 * Allocate important globals.
1403 * @see do_libmondo_global_strings_thing
1404 */
1405void malloc_libmondo_global_strings(void)
1406{
1407 do_libmondo_global_strings_thing(1);
1408}
1409
1410/**
1411 * Free important globals.
1412 * @see do_libmondo_global_strings_thing
1413 */
1414void free_libmondo_global_strings(void)
1415{
1416 do_libmondo_global_strings_thing(0);
1417}
1418
1419
1420
1421/**
1422 * Stop @c magicdev if it's running.
1423 * The command used to start it is saved in @p g_magicdev_command.
1424 */
1425void stop_magicdev_if_necessary()
1426{
1427 strcpy(g_magicdev_command,
1428 call_program_and_get_last_line_of_output
1429 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1430 if (g_magicdev_command[0]) {
1431 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1432 paranoid_system("killall magicdev");
1433 }
1434}
1435
1436
1437/**
1438 * Restart magicdev if it was stopped.
1439 */
1440void restart_magicdev_if_necessary()
1441{
1442 char *tmp = NULL;
1443
1444 if (g_magicdev_command && g_magicdev_command[0]) {
1445 mr_asprintf(&tmp, "%s &", g_magicdev_command);
1446 paranoid_system(tmp);
1447 mr_free(tmp);
1448 }
1449}
1450
1451/* @} - end of utilityGroup */
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