source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-tools.c@ 2176

Last change on this file since 2176 was 2160, checked in by Bruno Cornec, 15 years ago
  • Exclude filesystems type ptmpfs and devpts from being parsed. Should solve aproblem seen with large /dev/shm being backed up.
  • Property svn:keywords set to Id
File size: 39.4 KB
Line 
1/*
2 $Id: libmondo-tools.c 2160 2009-03-06 09:53:57Z bruno $
3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
12#include "mondostructures.h"
13#include "lib-common-externs.h"
14#include "libmondo-tools.h"
15#include "libmondo-gui-EXT.h"
16#include "libmondo-files-EXT.h"
17#include "libmondo-fork-EXT.h"
18#include "libmondo-raid-EXT.h"
19#include "libmondo-devices-EXT.h"
20#include <sys/socket.h>
21#include <netdb.h>
22#include <stdlib.h>
23#include <netinet/in.h>
24#include <arpa/inet.h>
25#include <sys/utsname.h>
26
27/*@unused@*/
28//static char cvsid[] = "$Id: libmondo-tools.c 2160 2009-03-06 09:53:57Z bruno $";
29
30extern int g_tape_buffer_size_MB;
31extern char *g_serial_string;
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/* Return a string containing the date */
86char *mr_date(void) {
87
88 time_t tcurr;
89
90 tcurr = time(NULL);
91 return(ctime(&tcurr));
92}
93
94/*-----------------------------------------------------------*/
95
96
97/**
98 * @addtogroup utilityGroup
99 * @{
100 */
101/**
102 * Assertion handler. Prints a friendly message to the user,
103 * offering to ignore all, dump core, break to debugger,
104 * exit, or ignore. Intended to be used with an assert() macro.
105 *
106 * @param file The file in which the assertion triggered.
107 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
108 * @param line The line number of the assert() statement.
109 * @param exp The expression that failed (as a string).
110 */
111void _mondo_assert_fail(const char *file,
112 const char *function, int line, const char *exp)
113{
114 static int ignoring_assertions = 0;
115 bool is_valid = TRUE;
116
117 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
118 function);
119 if (ignoring_assertions) {
120 log_it("Well, the user doesn't care...");
121 return;
122 }
123#ifndef _XWIN
124 if (!g_text_mode)
125 newtSuspend();
126#endif
127 printf("ASSERTION FAILED: `%s'\n", exp);
128 printf("\tat %s:%d in %s\n\n", file, line, function);
129 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
130 do {
131 is_valid = TRUE;
132 switch (toupper(getchar())) {
133 case 'A': // ignore (A)ll
134 ignoring_assertions = 1;
135 break;
136 case 'B': // a(B)ort
137 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
138 raise(SIGABRT);
139 break; /* "can't get here" */
140 case 'D': // (D)ebug, aka asm("int 3")
141#ifdef __IA32__
142 __asm__ __volatile__("int $3"); // break to debugger
143#endif
144 break;
145 case 'E': // (E)xit
146 fatal_error("Failed assertion -- see above for details");
147 break; /* "can't get here" */
148 case 'I': // (I)gnore
149 break;
150 /* These next two work as follows:
151 the `default' catches the user's invalid choice and says so;
152 the '\n' catches the newline on the end and prints the prompt again.
153 */
154 case '\n':
155 printf
156 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
157 break;
158 default:
159 is_valid = FALSE;
160 printf("Invalid choice.\n");
161 break;
162 }
163 } while (!is_valid);
164
165 if (ignoring_assertions) {
166 log_it("Ignoring ALL assertions from now on.");
167 } else {
168 log_it("Ignoring assertion: %s", exp);
169 }
170
171 getchar(); // skip \n
172
173#ifndef _XWIN
174 if (!g_text_mode)
175 newtResume();
176#endif
177}
178
179/**
180 * Clean's up users' KDE desktops.
181 * @bug Details about this function are unknown.
182 */
183void clean_up_KDE_desktop_if_necessary(void)
184{
185 char *tmp;
186
187 malloc_string(tmp);
188 strcpy(tmp,
189 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
190file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
191awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
192else { print $0;};}' $file.old > $file ; fi ; done");
193 run_program_and_log_output(tmp, 5);
194 paranoid_free(tmp);
195}
196
197
198/**
199 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
200 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
201 *
202 * @param home_sz String to store the home directory ("" if it could not be found).
203 * @return 0 for success, nonzero for failure.
204 */
205int find_and_store_mondoarchives_home(char *home_sz)
206{
207 assert(home_sz != NULL);
208 strcpy(home_sz, MONDO_SHARE);
209 return (0);
210}
211
212
213char *get_architecture(void) {
214#ifdef __IA32__
215# ifdef __X86_64__
216 return ("x86_64");
217# else
218 return ("i386");
219# endif
220#endif
221#ifdef __IA64__
222 return ("ia64");
223#endif
224 return ("unknown");
225}
226
227
228char *get_uname_m(void) {
229
230 struct utsname utsn;
231 char *tmp = NULL;
232
233 uname(&utsn);
234 asprintf(&tmp, utsn.machine);
235 return (tmp);
236}
237
238
239
240double get_kernel_version(void)
241{
242 char *p, tmp[200];
243 double d;
244#ifdef __FreeBSD__
245 // JOSH - FIXME :)
246 d = 5.2; // :-)
247#else
248 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
249 p = strchr(tmp, '.');
250 if (p) {
251 p = strchr(++p, '.');
252 if (p) {
253 while (*p) {
254 *p = *(p + 1);
255 p++;
256 }
257 }
258 }
259// log_msg(1, "tmp = '%s'", tmp);
260 d = atof(tmp);
261#endif
262 log_msg(1, "g_kernel_version = %f", d);
263 return (d);
264}
265
266
267
268
269
270/**
271 * Get the current time.
272 * @return number of seconds since the epoch.
273 */
274long get_time()
275{
276 return (long) time((void *) 0);
277}
278
279
280
281
282
283
284
285/**
286 * Initialize a RAID volume structure, setting fields to zero. The
287 * actual hard drive is unaffected.
288 *
289 * @param raidrec The RAID volume structure to initialize.
290 * @note This function is system dependent.
291 */
292#ifdef __FreeBSD__
293void initialize_raidrec(struct vinum_volume *raidrec)
294{
295 int i, j;
296 raidrec->volname[0] = '\0';
297 raidrec->plexes = 0;
298 for (i = 0; i < 9; ++i) {
299 raidrec->plex[i].raidlevel = -1;
300 raidrec->plex[i].stripesize = 0;
301 raidrec->plex[i].subdisks = 0;
302 for (j = 0; j < 9; ++j) {
303 strcpy(raidrec->plex[i].sd[j].which_device, "");
304 }
305 }
306}
307#else
308void initialize_raidrec(struct raid_device_record *raidrec)
309{
310 assert(raidrec != NULL);
311 raidrec->raid_device[0] = '\0';
312 raidrec->raid_level = -9;
313 raidrec->persistent_superblock = 1;
314 raidrec->chunk_size = 64;
315 raidrec->parity = -1;
316 raidrec->data_disks.entries = 0;
317 raidrec->spare_disks.entries = 0;
318 raidrec->parity_disks.entries = 0;
319 raidrec->failed_disks.entries = 0;
320 raidrec->additional_vars.entries = 0;
321}
322#endif
323
324
325
326
327/**
328 * Insert modules that Mondo requires.
329 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
330 * @c msdosfs and @c ext2fs for FreeBSD.
331 */
332void insmod_crucial_modules(void)
333{
334#ifdef __FreeBSD__
335 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
336 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
337#else
338 system("modprobe -a msdos vfat loop &> /dev/null");
339#endif
340}
341
342
343/**
344 * Log a trace message to the trace file.
345 * @bug This function seems orphaned. Please remove.
346 */
347void log_trace(char *o)
348{
349 /*@ pointers **************************************************** */
350 FILE *fout;
351
352 /*@ buffers ***************************************************** */
353 char output[MAX_STR_LEN];
354
355 /*@ int ****************************************************** */
356 int i;
357
358 /*@ end vars *************************************************** */
359
360 if (o[0] == '\0') {
361 return;
362 }
363 strcpy(output, o);
364 i = (int) strlen(output);
365 if (i <= 0) {
366 return;
367 }
368 if (output[i - 1] < 32) {
369 output[i - 1] = '\0';
370 }
371 if (g_text_mode
372 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
373 printf("%s\n", output);
374 }
375
376 fout = fopen(MONDO_TRACEFILE, "a");
377 if (fout) {
378 fprintf(fout, "%s\n", output);
379 paranoid_fclose(fout);
380 } else {
381 log_OS_error("Cannot write to tracefile");
382 }
383}
384
385
386
387
388
389/**
390 * Finish configuring the backup information structure. Call this function
391 * to set the parameters that depend on those that can be given on the command
392 * line.
393 *
394 * @param bkpinfo The backup information structure. Fields modified/used:
395 * - Used: @c bkpinfo->backup_data
396 * - Used: @c bkpinfo->backup_media_type
397 * - Used: @c bkpinfo->cdrw_speed
398 * - Used: @c bkpinfo->compression_level
399 * - Used: @c bkpinfo->include_paths
400 * - Used: @c bkpinfo->prefix
401 * - Used: @c bkpinfo->isodir
402 * - Used: @c bkpinfo->manual_cd_tray
403 * - Used: @c bkpinfo->make_cd_use_lilo
404 * - Used: @c bkpinfo->media_device
405 * - Used: @c bkpinfo->nfs_mount
406 * - Used: @c bkpinfo->nonbootable_backup
407 * - Used: @c bkpinfo->scratchdir
408 * - Used: @c bkpinfo->tmpdir
409 * - Used: @c bkpinfo->use_lzo
410 * - Modified: @c bkpinfo->call_before_iso
411 * - Modified: @c bkpinfo->call_make_iso
412 * - Modified: @c bkpinfo->optimal_set_size
413 * - Modified: @c bkpinfo->zip_exe
414 * - Modified: @c bkpinfo->zip_suffix
415 *
416 * @return number of errors, or 0 for success.
417 * @note Also creates directories that are specified in the @c bkpinfo structure but
418 * do not exist.
419 */
420int post_param_configuration()
421{
422 char *extra_cdrom_params;
423 char *mondo_mkisofs_sz;
424 char *command;
425 char *mtpt;
426 char *hostname, *ip_address;
427 int retval = 0;
428 char *colon;
429 char *cdr_exe;
430 char *tmp;
431 char call_before_iso_user[MAX_STR_LEN] = "\0";
432 /*
433 long avm = 0;
434 int rdsiz_MB;
435 */
436 char *iso_dev;
437 char *iso_mnt;
438 char *iso_tmp;
439 char *iso_path;
440
441 assert(bkpinfo != NULL);
442 malloc_string(extra_cdrom_params);
443 malloc_string(mondo_mkisofs_sz);
444 malloc_string(command);
445 malloc_string(mtpt);
446 malloc_string(hostname);
447 malloc_string(ip_address);
448 malloc_string(cdr_exe);
449 malloc_string(tmp);
450 malloc_string(iso_dev);
451 malloc_string(iso_mnt);
452 malloc_string(iso_tmp);
453 malloc_string(iso_path);
454 bkpinfo->optimal_set_size =
455 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
456 1024;
457
458 log_msg(1, "Foo");
459 if (bkpinfo->backup_media_type == tape) {
460 log_msg(1, "Bar");
461 sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
462 log_msg(1, "tmp = '%s'", tmp);
463 if (run_program_and_log_output(tmp, 3)) {
464 fatal_error
465 ("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.");
466 }
467 }
468 make_hole_for_dir(bkpinfo->scratchdir);
469 if (bkpinfo->backup_media_type == iso)
470 make_hole_for_dir(bkpinfo->isodir);
471
472 run_program_and_log_output("uname -a", 5);
473 run_program_and_log_output("cat /etc/*-release", 5);
474 run_program_and_log_output("cat /etc/*issue*", 5);
475#ifdef __FreeBSD__
476#else
477 run_program_and_log_output("cat /proc/cpuinfo", 5);
478 run_program_and_log_output
479 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
480 5);
481#endif
482
483 if (bkpinfo->use_lzo) {
484 strcpy(bkpinfo->zip_exe, "lzop");
485 strcpy(bkpinfo->zip_suffix, "lzo");
486 } else if (bkpinfo->use_gzip) {
487 strcpy(bkpinfo->zip_exe, "gzip");
488 strcpy(bkpinfo->zip_suffix, "gz");
489 } else if (bkpinfo->compression_level != 0) {
490 strcpy(bkpinfo->zip_exe, "bzip2");
491 strcpy(bkpinfo->zip_suffix, "bz2");
492 } else {
493 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
494 }
495
496// DVD
497
498 if (bkpinfo->backup_media_type == dvd) {
499 extra_cdrom_params[0] = '\0';
500 mondo_mkisofs_sz[0] = '\0';
501 if (find_home_of_exe("growisofs")) {
502 strcpy(cdr_exe, "growisofs");
503 } // unlikely to be used
504 else {
505 fatal_error("Please install growisofs.");
506 }
507 if (bkpinfo->nonbootable_backup) {
508 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
509 } else if
510#ifdef __FreeBSD__
511 (TRUE)
512#else
513 (bkpinfo->make_cd_use_lilo)
514#endif
515#ifdef __IA64__
516 {
517 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
518 }
519#else
520 {
521 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
522 }
523#endif
524 else
525 {
526 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
527 }
528 if (bkpinfo->manual_cd_tray) {
529 fatal_error("Manual CD tray + DVD not supported yet.");
530 // -m isn't supported by growisofs, BTW...
531 } else {
532 sprintf(bkpinfo->call_make_iso,
533 "%s %s -Z %s . 2>> _ERR_",
534 mondo_mkisofs_sz,
535 extra_cdrom_params, bkpinfo->media_device);
536 }
537 if (getenv ("SUDO_COMMAND")) {
538 sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
539 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
540 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
541 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
542 }
543 }
544 log_msg(2, "call_make_iso (DVD res) is ... %s",
545 bkpinfo->call_make_iso);
546 } // end of DVD code
547
548// CD-R or CD-RW
549 if (bkpinfo->backup_media_type == cdrw
550 || bkpinfo->backup_media_type == cdr) {
551 extra_cdrom_params[0] = '\0';
552 if (!bkpinfo->manual_cd_tray) {
553 strcat(extra_cdrom_params, "-waiti ");
554 }
555 if (bkpinfo->backup_media_type == cdrw) {
556 strcat(extra_cdrom_params, "blank=fast ");
557 }
558 if (find_home_of_exe("cdrecord")) {
559 strcpy(cdr_exe, "cdrecord");
560 } else if (find_home_of_exe("dvdrecord")) {
561 strcpy(cdr_exe, "dvdrecord");
562 } else {
563 fatal_error("Please install either cdrecord or dvdrecord.");
564 }
565 if (bkpinfo->nonbootable_backup) {
566 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
567 } else if
568#ifdef __FreeBSD__
569 (TRUE)
570#else
571 (bkpinfo->make_cd_use_lilo)
572#endif
573#ifdef __IA64__
574 {
575 strcat(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
576 }
577#else
578 {
579 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
580 }
581#endif
582 else
583 {
584 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
585 }
586 if (bkpinfo->manual_cd_tray) {
587 if (bkpinfo->call_before_iso[0] == '\0') {
588 sprintf(bkpinfo->call_before_iso,
589 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
590 mondo_mkisofs_sz, bkpinfo->tmpdir);
591 } else {
592 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
593 sprintf (bkpinfo->call_before_iso,
594 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
595 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
596 }
597 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
598 sprintf(bkpinfo->call_make_iso,
599 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
600 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
601 extra_cdrom_params, bkpinfo->media_device,
602 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
603 } else {
604 sprintf(bkpinfo->call_make_iso,
605 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
606 mondo_mkisofs_sz, cdr_exe,
607 (bkpinfo->please_dont_eject) ? " " : "-eject",
608 extra_cdrom_params, bkpinfo->media_device,
609 bkpinfo->cdrw_speed);
610 }
611 } // end of CD code
612
613 /*
614 if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
615 {
616 sprintf (tmp,
617 "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
618 bkpinfo->media_device, bkpinfo->internal_tape_block_size);
619 if (system(tmp))
620 {
621 retval++;
622 fprintf (stderr,
623 "Cannot write to tape device. Is the tape set read-only?\n");
624 }
625 } // end of tape code
626 */
627
628
629 if (bkpinfo->backup_media_type == iso) {
630
631/* Patch by Conor Daly <conor.daly@met.ie>
632 * 23-june-2004
633 * Break up isodir into iso_mnt and iso_path
634 * These will be used along with iso-dev at restore time
635 * to locate the ISOs where ever they're mounted
636 */
637
638 log_it("isodir = %s", bkpinfo->isodir);
639 sprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1",
640 bkpinfo->isodir);
641 log_it("command = %s", command);
642 log_it("res of it = %s",
643 call_program_and_get_last_line_of_output(command));
644 sprintf(iso_dev, "%s",
645 call_program_and_get_last_line_of_output(command));
646 sprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
647 write_one_liner_data_file(tmp,
648 call_program_and_get_last_line_of_output
649 (command));
650
651 sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
652 iso_dev);
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_mnt, "%s",
657 call_program_and_get_last_line_of_output(command));
658 sprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
659 write_one_liner_data_file(tmp,
660 call_program_and_get_last_line_of_output
661 (command));
662 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
663 sprintf(iso_tmp, "%s", bkpinfo->isodir);
664 if (strlen(iso_tmp) < strlen(iso_mnt)) {
665 iso_path[0] = '\0';
666 } else {
667 sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
668 }
669 sprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
670 write_one_liner_data_file(tmp, iso_path);
671 log_it("isodir: %s", iso_path);
672 sprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
673 write_one_liner_data_file(tmp, bkpinfo->prefix);
674 log_it("iso-prefix: %s", bkpinfo->prefix);
675
676/* End patch */
677 } // end of iso code
678
679 if (bkpinfo->backup_media_type == nfs) {
680 strcpy(hostname, bkpinfo->nfs_mount);
681 colon = strchr(hostname, ':');
682 if (!colon) {
683 log_it("nfs mount doesn't have a colon in it");
684 retval++;
685 } else {
686 struct hostent *hent;
687
688 *colon = '\0';
689 hent = gethostbyname(hostname);
690 if (!hent) {
691 log_it("Can't resolve NFS mount (%s): %s", hostname,
692 hstrerror(h_errno));
693 retval++;
694 } else {
695 strcpy(ip_address, inet_ntoa
696 ((struct in_addr)
697 *((struct in_addr *) hent->h_addr)));
698 strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
699 strcpy(bkpinfo->nfs_mount, ip_address);
700 }
701 }
702 store_nfs_config();
703 }
704
705 log_it("Finished processing incoming params");
706 if (retval) {
707 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
708 }
709 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
710 log_it("tmpdir or scratchdir are blank/missing");
711 retval++;
712 }
713 if (bkpinfo->include_paths[0] == '\0') {
714 // fatal_error ("Why no backup path?");
715 strcpy(bkpinfo->include_paths, "/");
716 }
717 chmod(bkpinfo->scratchdir, 0700);
718 g_backup_media_type = bkpinfo->backup_media_type;
719 paranoid_free(mtpt);
720 paranoid_free(extra_cdrom_params);
721 paranoid_free(mondo_mkisofs_sz);
722 paranoid_free(command);
723 paranoid_free(hostname);
724 paranoid_free(ip_address);
725 paranoid_free(cdr_exe);
726 paranoid_free(tmp);
727 paranoid_free(iso_dev);
728 paranoid_free(iso_mnt);
729 paranoid_free(iso_tmp);
730 paranoid_free(iso_path);
731 return (retval);
732}
733
734
735
736/**
737 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
738 * Seeds the random-number generator, loads important modules, checks the sanity
739 * of the user's Linux distribution, and deletes logfile.
740 * @param bkpinfo The backup information structure. Will be initialized.
741 * @return number of errors (0 for success)
742 */
743int pre_param_configuration()
744{
745 int res = 0;
746 char *tmp = NULL;
747
748 make_hole_for_dir(MNT_CDROM);
749 assert(bkpinfo != NULL);
750 srandom((unsigned long) (time(NULL)));
751 insmod_crucial_modules();
752 if (bkpinfo->disaster_recovery) {
753 if (!does_nonMS_partition_exist()) {
754 fatal_error
755 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
756 }
757 }
758
759 unlink(MONDO_TRACEFILE);
760 asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
761 run_program_and_log_output(tmp, FALSE);
762 paranoid_free(tmp);
763 if (find_and_store_mondoarchives_home(g_mondo_home)) {
764 fprintf(stderr,
765 "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");
766 res++;
767 return (res);
768 }
769 res += some_basic_system_sanity_checks();
770 if (res) {
771 log_it("Your distribution did not pass Mondo's sanity test.");
772 }
773 g_current_media_number = 1;
774 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
775 return (res);
776}
777
778void setup_tmpdir(char *path) {
779
780 char *tmp = NULL;
781 char *p = NULL;
782
783 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
784 /* purging a potential old tmpdir */
785 asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
786 system(tmp);
787 paranoid_free(tmp);
788 }
789
790 if (path != NULL) {
791 asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
792 } else if (getenv("TMPDIR")) {
793 asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
794 } else if (getenv("TMP")) {
795 asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
796 } else {
797 asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
798 }
799 p = mkdtemp(tmp);
800 if (p == NULL) {
801 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
802 finish(-1);
803 }
804 strcpy(bkpinfo->tmpdir,p);
805 paranoid_free(tmp);
806}
807
808
809/**
810 * Reset all fields of the backup information structure to a sensible default.
811 * @param bkpinfo The @c bkpinfo to reset.
812 */
813void reset_bkpinfo()
814{
815 int i;
816
817 log_msg(1, "Hi");
818 assert(bkpinfo != NULL);
819 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
820
821 bkpinfo->media_device[0] = '\0';
822 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
823 bkpinfo->media_size[i] = -1;
824 }
825 bkpinfo->boot_loader = '\0';
826 bkpinfo->boot_device[0] = '\0';
827 bkpinfo->zip_exe[0] = '\0';
828 bkpinfo->zip_suffix[0] = '\0';
829 bkpinfo->image_devs[0] = '\0';
830 bkpinfo->compression_level = 3;
831 bkpinfo->use_lzo = FALSE;
832 bkpinfo->use_gzip = FALSE;
833 bkpinfo->do_not_compress_these[0] = '\0';
834 bkpinfo->verify_data = FALSE;
835 bkpinfo->backup_data = FALSE;
836 bkpinfo->restore_data = FALSE;
837 bkpinfo->use_star = FALSE;
838 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
839 bkpinfo->disaster_recovery =
840 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
841 if (bkpinfo->disaster_recovery) {
842 strcpy(bkpinfo->isodir, "/");
843 } else {
844 strcpy(bkpinfo->isodir, MONDO_CACHE);
845 }
846 strcpy(bkpinfo->prefix, STD_PREFIX);
847 sensibly_set_tmpdir_and_scratchdir();
848
849 bkpinfo->optimal_set_size = 0;
850 strcpy(bkpinfo->include_paths, "/");
851 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
852 bkpinfo->include_paths[0] = '\0';
853 bkpinfo->exclude_paths[0] = '\0';
854 bkpinfo->restore_path[0] = '\0';
855 bkpinfo->call_before_iso[0] = '\0';
856 bkpinfo->call_make_iso[0] = '\0';
857 bkpinfo->call_burn_iso[0] = '\0';
858 bkpinfo->call_after_iso[0] = '\0';
859 bkpinfo->kernel_path[0] = '\0';
860 bkpinfo->nfs_mount[0] = '\0';
861 bkpinfo->nfs_remote_dir[0] = '\0';
862 bkpinfo->postnuke_tarball[0] = '\0';
863 bkpinfo->wipe_media_first = FALSE;
864 bkpinfo->differential = 0;
865 bkpinfo->please_dont_eject = FALSE;
866 bkpinfo->cdrw_speed = 0;
867 bkpinfo->manual_cd_tray = FALSE;
868 bkpinfo->nonbootable_backup = FALSE;
869 bkpinfo->make_cd_use_lilo = FALSE;
870 bkpinfo->use_obdr = FALSE;
871 bkpinfo->restore_mode = interactive;
872}
873
874
875
876
877/**
878 * Get the remaining free space (in MB) on @p partition.
879 * @param partition The partition to check free space on (either a device or a mountpoint).
880 * @return The free space on @p partition, in MB.
881 */
882long free_space_on_given_partition(char *partition)
883{
884 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
885 long res;
886
887 assert_string_is_neither_NULL_nor_zerolength(partition);
888
889 sprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
890 if (system(command)) {
891 return (-1);
892 } // partition does not exist
893 sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
894 partition);
895 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
896 if (strlen(out_sz) == 0) {
897 return (-1);
898 } // error within df, probably
899 res = atol(out_sz);
900 return (res);
901}
902
903
904
905/**
906 * Check the user's system for sanity. Checks performed:
907 * - make sure user has enough RAM (32mb required, 64mb recommended)
908 * - make sure user has enough free space in @c /
909 * - check kernel for ramdisk support
910 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
911 * - make sure CD-ROM is unmounted
912 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
913 *
914 * @return number of problems with the user's setup (0 for success)
915 */
916int some_basic_system_sanity_checks()
917{
918
919 /*@ buffers ************ */
920 char tmp[MAX_STR_LEN];
921 // char command[MAX_STR_LEN];
922
923 /*@ int's *************** */
924 int retval = 0;
925
926 mvaddstr_and_log_it(g_currentY, 0,
927 "Checking sanity of your Linux distribution");
928#ifndef __FreeBSD__
929 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
930 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
931 log_it
932 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
933 run_program_and_log_output
934 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
935 }
936 strcpy(tmp,
937 call_program_and_get_last_line_of_output
938 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
939 if (atol(tmp) < 35000) {
940 retval++;
941 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
942 }
943 if (atol(tmp) < 66000) {
944 log_to_screen
945 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
946 }
947#endif
948
949 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
950 retval++;
951 log_to_screen
952 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
953 fatal_error
954 ("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. :)");
955 }
956#ifndef __FreeBSD__
957 if (run_program_and_log_output
958 ("grep ramdisk /proc/devices", FALSE)) {
959 if (!ask_me_yes_or_no
960 ("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?"))
961 {
962 // retval++;
963 log_to_screen
964 ("It looks as if your kernel lacks ramdisk and initrd support.");
965 log_to_screen
966 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
967 }
968 }
969#endif
970 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
971 retval += whine_if_not_found("mkisofs");
972 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
973 retval += whine_if_not_found("cdrecord");
974 }
975 retval += whine_if_not_found("bzip2");
976 retval += whine_if_not_found("gzip");
977 retval += whine_if_not_found("awk");
978 retval += whine_if_not_found("md5sum");
979 retval += whine_if_not_found("strings");
980 retval += whine_if_not_found("mindi");
981 retval += whine_if_not_found("buffer");
982
983 // abort if Windows partition but no ms-sys and parted
984 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
985 log_to_screen("I think you have a Windows 9x partition.");
986 retval += whine_if_not_found("parted");
987 }
988
989 if (!find_home_of_exe("cmp")) {
990 if (!find_home_of_exe("true")) {
991 whine_if_not_found("cmp");
992 } else {
993 log_to_screen
994 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
995 if (run_program_and_log_output
996 ("cp -f `which true` /usr/bin/cmp", 0)) {
997 fatal_error("Failed to create dummy 'cmp' file.");
998 }
999 }
1000 }
1001 run_program_and_log_output
1002 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
1003 strcpy(tmp,
1004 call_program_and_get_last_line_of_output
1005 ("mount | grep -E \"cdr(om|w)\""));
1006 if (strcmp("", tmp)) {
1007 if (strstr(tmp, "autofs")) {
1008 log_to_screen
1009 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
1010 log_to_screen
1011 ("if a CD actually is inserted. If a CD is inserted, please");
1012 log_to_screen("eject it. Thank you.");
1013 log_it
1014 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1015 } else
1016 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1017 retval++;
1018 fatal_error
1019 ("Your CD-ROM drive is mounted. Please unmount it.");
1020 }
1021 }
1022
1023 run_program_and_log_output("cat /etc/fstab", 5);
1024#ifdef __FreeBSD__
1025 run_program_and_log_output("vinum printconfig", 5);
1026#else
1027 run_program_and_log_output("cat /etc/raidtab", 5);
1028#endif
1029
1030 if (run_program_and_log_output("mindi -V", 1)) {
1031 log_to_screen("Could not ascertain mindi's version number.");
1032 log_to_screen
1033 ("You have not installed Mondo and/or Mindi properly.");
1034 log_to_screen("Please uninstall and reinstall them both.");
1035 fatal_error("Please reinstall Mondo and Mindi.");
1036 }
1037 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1038 if (run_program_and_log_output(tmp, 5)) {
1039 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1040 log_to_screen(tmp);
1041 log_to_screen
1042 ("Please run that command by hand and examine /var/log/mindi.log");
1043 log_to_screen
1044 ("for more information. Perhaps your /etc/fstab file is insane.");
1045 log_to_screen
1046 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1047 retval++;
1048 }
1049
1050 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1051 && !does_file_exist("/etc/raidtab")) {
1052 log_to_screen
1053 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1054 create_raidtab_from_mdstat("/etc/raidtab");
1055 }
1056
1057 if (retval) {
1058 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1059 } else {
1060 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1061 }
1062 return (retval);
1063}
1064
1065/**
1066 * Retrieve the line containing @p label from the config file.
1067 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1068 * @param label What to read from the file.
1069 * @param value Where to put it.
1070 * @return 0 for success, 1 for failure.
1071 */
1072int read_cfg_var(char *config_file, char *label, char *value)
1073{
1074 /*@ buffer ****************************************************** */
1075 char command[MAX_STR_LEN * 2];
1076 char tmp[MAX_STR_LEN];
1077
1078 /*@ end vars *************************************************** */
1079
1080 assert_string_is_neither_NULL_nor_zerolength(config_file);
1081 assert_string_is_neither_NULL_nor_zerolength(label);
1082 if (!does_file_exist(config_file)) {
1083 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1084 config_file);
1085 log_to_screen(tmp);
1086 value[0] = '\0';
1087 return (1);
1088 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1089 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1090 return (0);
1091 } else {
1092 sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1093 label, config_file);
1094 strcpy(value, call_program_and_get_last_line_of_output(command));
1095 if (strlen(value) == 0) {
1096 return (1);
1097 } else {
1098 return (0);
1099 }
1100 }
1101}
1102
1103
1104
1105/**
1106 * Remount @c supermount if it was unmounted earlier.
1107 */
1108void remount_supermounts_if_necessary()
1109{
1110 if (g_remount_cdrom_at_end) {
1111 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1112 }
1113 if (g_remount_floppy_at_end) {
1114 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1115 }
1116}
1117
1118/**
1119 * Unmount @c supermount if it's mounted.
1120 */
1121void unmount_supermounts_if_necessary()
1122{
1123 if (run_program_and_log_output
1124 ("mount | grep cdrom | grep super", FALSE) == 0) {
1125 g_remount_cdrom_at_end = TRUE;
1126 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1127 }
1128 if (run_program_and_log_output
1129 ("mount | grep floppy | grep super", FALSE) == 0) {
1130 g_remount_floppy_at_end = TRUE;
1131 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1132 }
1133}
1134
1135/**
1136 * Whether we had to stop autofs (if so, restart it at end).
1137 */
1138bool g_autofs_stopped = FALSE;
1139
1140/**
1141 * Path to the autofs initscript ("" if none exists).
1142 */
1143char g_autofs_exe[MAX_STR_LEN];
1144
1145/**
1146 * Autofs initscript in Xandros Linux distribution.
1147 */
1148#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1149
1150/**
1151 * Autofs initscript in most Linux distributions.
1152 */
1153#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1154
1155/**
1156 * If autofs is mounted, stop it (restart at end).
1157 */
1158void stop_autofs_if_necessary()
1159{
1160 char tmp[MAX_STR_LEN];
1161
1162 g_autofs_exe[0] = '\0';
1163 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1164 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1165 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1166 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1167 }
1168
1169 if (!g_autofs_exe[0]) {
1170 log_msg(3, "No autofs detected.");
1171 } else {
1172 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1173// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1174 sprintf(tmp, "%s stop", g_autofs_exe);
1175 if (run_program_and_log_output(tmp, 2)) {
1176 log_it("Failed to stop autofs - I assume it wasn't running");
1177 } else {
1178 g_autofs_stopped = TRUE;
1179 log_it("Stopped autofs OK");
1180 }
1181 }
1182}
1183
1184/**
1185 * If autofs was stopped earlier, restart it.
1186 */
1187void restart_autofs_if_necessary()
1188{
1189 char tmp[MAX_STR_LEN];
1190
1191 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1192 log_msg(3, "No autofs detected.");
1193 return;
1194 }
1195 sprintf(tmp, "%s start", g_autofs_exe);
1196 if (run_program_and_log_output(tmp, 2)) {
1197 log_it("Failed to start autofs");
1198 } else {
1199 g_autofs_stopped = FALSE;
1200 log_it("Started autofs OK");
1201 }
1202}
1203
1204
1205/**
1206 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1207 */
1208void mount_boot_if_necessary()
1209{
1210 char tmp[MAX_STR_LEN];
1211 char command[MAX_STR_LEN];
1212
1213 log_msg(1, "Started sub");
1214 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1215 g_boot_mountpt[0] = '\0';
1216 log_msg(4, "Done. Great. Seeting command to something");
1217 strcpy(command,
1218 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1219 log_msg(4, "Cool. Command = '%s'", command);
1220 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1221 log_msg(4, "tmp = '%s'", tmp);
1222 if (tmp[0]) {
1223 log_it("/boot is at %s according to /etc/fstab", tmp);
1224 strcpy(command, "mount | grep -Ew '/boot'");
1225 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1226 if (!strcmp(tmp,"")) {
1227 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1228 if (!run_program_and_log_output("mount /boot", 5)) {
1229 strcpy(g_boot_mountpt, "/boot");
1230 log_msg(1, "Mounted /boot");
1231 } else {
1232 log_it("...ignored cos it's a label or uuid :-)");
1233 }
1234 } else {
1235 sprintf(command, "mount | grep -E '^%s'", tmp);
1236 log_msg(3, "command = %s", command);
1237 if (run_program_and_log_output(command, 5)) {
1238 strcpy(g_boot_mountpt, tmp);
1239 sprintf(tmp,
1240 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1241 g_boot_mountpt);
1242 log_it(tmp);
1243 sprintf(tmp, "mount %s", g_boot_mountpt);
1244 if (run_program_and_log_output(tmp, 5)) {
1245 g_boot_mountpt[0] = '\0';
1246 log_msg(1, "Plan B");
1247 if (!run_program_and_log_output("mount /boot", 5)) {
1248 strcpy(g_boot_mountpt, "/boot");
1249 log_msg(1, "Plan B worked");
1250 } else {
1251 log_msg(1,
1252 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1253 }
1254 }
1255 }
1256 }
1257 }
1258 }
1259 log_msg(1, "Ended sub");
1260}
1261
1262
1263/**
1264 * If we mounted /boot earlier, unmount it.
1265 */
1266void unmount_boot_if_necessary()
1267{
1268 char tmp[MAX_STR_LEN];
1269
1270 log_msg(3, "starting");
1271 if (g_boot_mountpt[0]) {
1272 sprintf(tmp, "umount %s", g_boot_mountpt);
1273 if (run_program_and_log_output(tmp, 5)) {
1274 log_it("WARNING - unable to unmount /boot");
1275 }
1276 }
1277 log_msg(3, "leaving");
1278}
1279
1280
1281
1282/**
1283 * Write a line to a configuration file. Writes a line of the form,
1284 * @c label @c value.
1285 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1286 * @param label What to call this bit of data you're writing.
1287 * @param value The bit of data you're writing.
1288 * @return 0 for success, 1 for failure.
1289 */
1290int write_cfg_var(char *config_file, char *label, char *value)
1291{
1292 /*@ buffers ***************************************************** */
1293 char command[MAX_STR_LEN * 2];
1294 char tempfile[MAX_STR_LEN];
1295 char tmp[MAX_STR_LEN];
1296
1297
1298 /*@ end vars *************************************************** */
1299 assert_string_is_neither_NULL_nor_zerolength(config_file);
1300 assert_string_is_neither_NULL_nor_zerolength(label);
1301 assert(value != NULL);
1302 if (!does_file_exist(config_file)) {
1303 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1304 config_file);
1305 log_to_screen(tmp);
1306 return (1);
1307 }
1308 sprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1309 if (does_file_exist(config_file)) {
1310 sprintf(command, "grep -vE '^%s .*$' %s > %s",
1311 label, config_file, tempfile);
1312 paranoid_system(command);
1313 }
1314 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1315 paranoid_system(command);
1316 sprintf(command, "mv -f %s %s", tempfile, config_file);
1317 paranoid_system(command);
1318 unlink(tempfile);
1319 return (0);
1320}
1321
1322
1323/**
1324 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1325 * information to the logfile.
1326 */
1327void standard_log_debug_msg(int debug_level, const char *szFile,
1328 const char *szFunction, int nLine,
1329 const char *fmt, ...)
1330{
1331 va_list args;
1332 int i;
1333 static int depth = 0;
1334 char *tmp;
1335 FILE *fout;
1336
1337 if (depth > 5) {
1338 depth--;
1339 return;
1340 }
1341 depth++;
1342
1343 malloc_string(tmp);
1344
1345 if (debug_level <= g_loglevel) {
1346 va_start(args, fmt);
1347 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1348 return;
1349 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1350
1351 // add tabs to distinguish log levels
1352 if (debug_level > 0) {
1353 for (i = 1; i < debug_level; i++)
1354 fprintf(fout, "\t");
1355 if (getpid() == g_main_pid)
1356 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1357 nLine);
1358 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1359 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1360 nLine);
1361 else
1362 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1363 szFunction, nLine);
1364 }
1365 vfprintf(fout, fmt, args);
1366
1367 // do not slow down the progran if standard debug level
1368 // must be enabled: if no flush, the log won't be up-to-date if there
1369 // is a segfault
1370 //if (g_dwDebugLevel != 1)
1371
1372 va_end(args);
1373 fprintf(fout, "\n");
1374 paranoid_fclose(fout);
1375 }
1376 depth--;
1377 paranoid_free(tmp);
1378}
1379
1380/**
1381 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1382 */
1383void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1384 ...) = standard_log_debug_msg;
1385
1386
1387/**
1388 * If @p y, malloc @p x, else free @p x.
1389 * @bug This function seems orphaned. Please remove.
1390 */
1391#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1392
1393/**
1394 * Allocate or free important globals, depending on @p mal.
1395 * @param mal If TRUE, malloc; if FALSE, free.
1396 */
1397void do_libmondo_global_strings_thing(int mal)
1398{
1399 if (mal) {
1400 malloc_string(g_boot_mountpt);
1401 malloc_string(g_mondo_home);
1402 /*
1403 malloc_string(g_tmpfs_mountpt);
1404 */
1405 malloc_string(g_serial_string);
1406 malloc_string(g_magicdev_command);
1407 } else {
1408 paranoid_free(g_boot_mountpt);
1409 paranoid_free(g_mondo_home);
1410 /*
1411 paranoid_free(g_tmpfs_mountpt);
1412 */
1413 paranoid_free(g_serial_string);
1414 paranoid_free(g_magicdev_command);
1415 }
1416
1417 /*
1418 char**list_of_arrays[] = {
1419 &g_boot_mountpt,
1420 &g_mondo_home,
1421 &g_tmpfs_mountpt,
1422 &g_serial_string,
1423 &g_magicdev_command,
1424 NULL};
1425
1426 char**ppcurr;
1427 int i;
1428
1429 for(i=0;list_of_arrays[i];i++)
1430 {
1431 log_msg(5, "Allocating %d", i);
1432 ppcurr = list_of_arrays[i];
1433 if (mal)
1434 { *ppcurr = malloc(MAX_STR_LEN); }
1435 else
1436 {
1437 if (*ppcurr)
1438 {
1439 free(*ppcurr);
1440 }
1441 }
1442 }
1443 log_msg(5, "Returning");
1444 */
1445}
1446
1447/**
1448 * Allocate important globals.
1449 * @see do_libmondo_global_strings_thing
1450 */
1451void malloc_libmondo_global_strings(void)
1452{
1453 do_libmondo_global_strings_thing(1);
1454}
1455
1456/**
1457 * Free important globals.
1458 * @see do_libmondo_global_strings_thing
1459 */
1460void free_libmondo_global_strings(void)
1461{
1462 do_libmondo_global_strings_thing(0);
1463}
1464
1465
1466
1467/**
1468 * Stop @c magicdev if it's running.
1469 * The command used to start it is saved in @p g_magicdev_command.
1470 */
1471void stop_magicdev_if_necessary()
1472{
1473 strcpy(g_magicdev_command,
1474 call_program_and_get_last_line_of_output
1475 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1476 if (g_magicdev_command[0]) {
1477 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1478 paranoid_system("killall magicdev");
1479 }
1480}
1481
1482
1483/**
1484 * Restart magicdev if it was stopped.
1485 */
1486void restart_magicdev_if_necessary()
1487{
1488 char *tmp;
1489
1490 malloc_string(tmp);
1491 if (g_magicdev_command && g_magicdev_command[0]) {
1492 sprintf(tmp, "%s &", g_magicdev_command);
1493 paranoid_system(tmp);
1494 }
1495 paranoid_free(tmp);
1496}
1497
1498/* @} - end of utilityGroup */
Note: See TracBrowser for help on using the repository browser.