source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-tools.c@ 2320

Last change on this file since 2320 was 2320, checked in by Bruno Cornec, 17 years ago

r3331@localhost: bruno | 2009-08-06 01:34:32 +0200

  • bkpinfo->scratchdir is now dynamically allocated
  • mondoarchive tests made in text+newt env. Seems OK. Valgrind errors to be fixed
  • Property svn:keywords set to Id
File size: 38.6 KB
Line 
1/*
2 $Id: libmondo-tools.c 2320 2009-08-18 12:37:39Z 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 2320 2009-08-18 12:37:39Z 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;
36extern char *g_serial_string;
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 location where tmpfs is mounted, or "" if it's not mounted.
62char *g_tmpfs_mountpt = NULL;
63 */
64char *g_magicdev_command = NULL;
65
66/**
67 * The default maximum level to log messages at or below.
68 */
69int g_loglevel = DEFAULT_DEBUG_LEVEL;
70
71/* @} - end of globalGroup */
72
73
74extern pid_t g_buffer_pid;
75extern pid_t g_main_pid;
76
77extern t_bkptype g_backup_media_type;
78
79extern bool am_I_in_disaster_recovery_mode(void);
80
81/*-----------------------------------------------------------*/
82
83
84/**
85 * @addtogroup utilityGroup
86 * @{
87 */
88/**
89 * Assertion handler. Prints a friendly message to the user,
90 * offering to ignore all, dump core, break to debugger,
91 * exit, or ignore. Intended to be used with an assert() macro.
92 *
93 * @param file The file in which the assertion triggered.
94 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
95 * @param line The line number of the assert() statement.
96 * @param exp The expression that failed (as a string).
97 */
98void _mondo_assert_fail(const char *file,
99 const char *function, int line, const char *exp)
100{
101 static int ignoring_assertions = 0;
102 bool is_valid = TRUE;
103
104 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
105 function);
106 if (ignoring_assertions) {
107 log_it("Well, the user doesn't care...");
108 return;
109 }
110#ifndef _XWIN
111 if (!g_text_mode)
112 newtSuspend();
113#endif
114 printf("ASSERTION FAILED: `%s'\n", exp);
115 printf("\tat %s:%d in %s\n\n", file, line, function);
116 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
117 do {
118 is_valid = TRUE;
119 switch (toupper(getchar())) {
120 case 'A': // ignore (A)ll
121 ignoring_assertions = 1;
122 break;
123 case 'B': // a(B)ort
124 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
125 raise(SIGABRT);
126 break; /* "can't get here" */
127 case 'D': // (D)ebug, aka asm("int 3")
128#ifdef __IA32__
129 __asm__ __volatile__("int $3"); // break to debugger
130#endif
131 break;
132 case 'E': // (E)xit
133 fatal_error("Failed assertion -- see above for details");
134 break; /* "can't get here" */
135 case 'I': // (I)gnore
136 break;
137 /* These next two work as follows:
138 the `default' catches the user's invalid choice and says so;
139 the '\n' catches the newline on the end and prints the prompt again.
140 */
141 case '\n':
142 printf
143 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
144 break;
145 default:
146 is_valid = FALSE;
147 printf("Invalid choice.\n");
148 break;
149 }
150 } while (!is_valid);
151
152 if (ignoring_assertions) {
153 log_it("Ignoring ALL assertions from now on.");
154 } else {
155 log_it("Ignoring assertion: %s", exp);
156 }
157
158 getchar(); // skip \n
159
160#ifndef _XWIN
161 if (!g_text_mode)
162 newtResume();
163#endif
164}
165
166/**
167 * Clean's up users' KDE desktops.
168 * @bug Details about this function are unknown.
169 */
170void clean_up_KDE_desktop_if_necessary(void)
171{
172 char *tmp;
173
174 malloc_string(tmp);
175 strcpy(tmp,
176 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
177file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
178awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
179else { print $0;};}' $file.old > $file ; fi ; done");
180 run_program_and_log_output(tmp, 5);
181 paranoid_free(tmp);
182}
183
184
185/**
186 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
187 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
188 *
189 * @param home_sz String to store the home directory ("" if it could not be found).
190 * @return 0 for success, nonzero for failure.
191 */
192int find_and_store_mondoarchives_home(char *home_sz)
193{
194 assert(home_sz != NULL);
195 strcpy(home_sz, MONDO_SHARE);
196 return (0);
197}
198
199
200char *get_architecture(void) {
201#ifdef __IA32__
202# ifdef __X86_64__
203 return ("x86_64");
204# else
205 return ("i386");
206# endif
207#endif
208#ifdef __IA64__
209 return ("ia64");
210#endif
211 return ("unknown");
212}
213
214
215char *get_uname_m(void) {
216
217 struct utsname utsn;
218 char *tmp = NULL;
219
220 uname(&utsn);
221 mr_asprintf(&tmp, "%s", utsn.machine);
222 return (tmp);
223}
224
225
226
227double get_kernel_version(void)
228{
229 char *p, tmp[200];
230 double d;
231#ifdef __FreeBSD__
232 // JOSH - FIXME :)
233 d = 5.2; // :-)
234#else
235 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
236 p = strchr(tmp, '.');
237 if (p) {
238 p = strchr(++p, '.');
239 if (p) {
240 while (*p) {
241 *p = *(p + 1);
242 p++;
243 }
244 }
245 }
246// log_msg(1, "tmp = '%s'", tmp);
247 d = atof(tmp);
248#endif
249 log_msg(1, "g_kernel_version = %f", d);
250 return (d);
251}
252
253
254
255
256
257/**
258 * Get the current time.
259 * @return number of seconds since the epoch.
260 */
261long get_time()
262{
263 return (long) time((void *) 0);
264}
265
266
267
268
269
270
271
272/**
273 * Initialize a RAID volume structure, setting fields to zero. The
274 * actual hard drive is unaffected.
275 *
276 * @param raidrec The RAID volume structure to initialize.
277 * @note This function is system dependent.
278 */
279#ifdef __FreeBSD__
280void initialize_raidrec(struct vinum_volume *raidrec)
281{
282 int i, j;
283 raidrec->volname[0] = '\0';
284 raidrec->plexes = 0;
285 for (i = 0; i < 9; ++i) {
286 raidrec->plex[i].raidlevel = -1;
287 raidrec->plex[i].stripesize = 0;
288 raidrec->plex[i].subdisks = 0;
289 for (j = 0; j < 9; ++j) {
290 strcpy(raidrec->plex[i].sd[j].which_device, "");
291 }
292 }
293}
294#else
295void initialize_raidrec(struct raid_device_record *raidrec)
296{
297 assert(raidrec != NULL);
298 raidrec->raid_device[0] = '\0';
299 raidrec->raid_level = -9;
300 raidrec->persistent_superblock = 1;
301 raidrec->chunk_size = 64;
302 raidrec->parity = -1;
303 raidrec->data_disks.entries = 0;
304 raidrec->spare_disks.entries = 0;
305 raidrec->parity_disks.entries = 0;
306 raidrec->failed_disks.entries = 0;
307 raidrec->additional_vars.entries = 0;
308}
309#endif
310
311
312
313
314/**
315 * Insert modules that Mondo requires.
316 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
317 * @c msdosfs and @c ext2fs for FreeBSD.
318 */
319void insmod_crucial_modules(void)
320{
321#ifdef __FreeBSD__
322 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
323 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
324#else
325 system("modprobe -a msdos vfat loop &> /dev/null");
326#endif
327}
328
329
330/**
331 * Log a trace message to the trace file.
332 * @bug This function seems orphaned. Please remove.
333 */
334void log_trace(char *o)
335{
336 /*@ pointers **************************************************** */
337 FILE *fout;
338
339 /*@ buffers ***************************************************** */
340 char output[MAX_STR_LEN];
341
342 /*@ int ****************************************************** */
343 int i;
344
345 /*@ end vars *************************************************** */
346
347 if (o[0] == '\0') {
348 return;
349 }
350 strcpy(output, o);
351 i = (int) strlen(output);
352 if (i <= 0) {
353 return;
354 }
355 if (output[i - 1] < 32) {
356 output[i - 1] = '\0';
357 }
358 if (g_text_mode
359 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
360 printf("%s\n", output);
361 }
362
363 fout = fopen(MONDO_TRACEFILE, "a");
364 if (fout) {
365 fprintf(fout, "%s\n", output);
366 paranoid_fclose(fout);
367 } else {
368 log_OS_error("Cannot write to tracefile");
369 }
370}
371
372
373
374
375
376/**
377 * Finish configuring the backup information structure. Call this function
378 * to set the parameters that depend on those that can be given on the command
379 * line.
380 *
381 * @param bkpinfo The backup information structure. Fields modified/used:
382 * - Used: @c bkpinfo->backup_data
383 * - Used: @c bkpinfo->backup_media_type
384 * - Used: @c bkpinfo->cdrw_speed
385 * - Used: @c bkpinfo->compression_level
386 * - Used: @c bkpinfo->include_paths
387 * - Used: @c bkpinfo->prefix
388 * - Used: @c bkpinfo->isodir
389 * - Used: @c bkpinfo->manual_cd_tray
390 * - Used: @c bkpinfo->make_cd_use_lilo
391 * - Used: @c bkpinfo->media_device
392 * - Used: @c bkpinfo->nfs_mount
393 * - Used: @c bkpinfo->nonbootable_backup
394 * - Used: @c bkpinfo->scratchdir
395 * - Used: @c bkpinfo->tmpdir
396 * - Used: @c bkpinfo->use_lzo
397 * - Modified: @c bkpinfo->call_before_iso
398 * - Modified: @c bkpinfo->call_make_iso
399 * - Modified: @c bkpinfo->optimal_set_size
400 * - Modified: @c bkpinfo->zip_exe
401 * - Modified: @c bkpinfo->zip_suffix
402 *
403 * @return number of errors, or 0 for success.
404 * @note Also creates directories that are specified in the @c bkpinfo structure but
405 * do not exist.
406 */
407int post_param_configuration()
408{
409 char *extra_cdrom_params = NULL;
410 char *mondo_mkisofs_sz = NULL;
411 char *command = NULL;
412 char *mtpt;
413 char *hostname;
414 char *ip_address = NULL;
415 int retval = 0;
416 char *colon;
417 char *cdr_exe;
418 char *tmp = NULL;
419 char *p = NULL;
420 char call_before_iso_user[MAX_STR_LEN] = "\0";
421 /*
422 long avm = 0;
423 int rdsiz_MB;
424 */
425 char *iso_dev = NULL;
426 char *iso_mnt = NULL;
427 char *iso_tmp = NULL;
428 char *iso_path = NULL;
429
430 assert(bkpinfo != NULL);
431 malloc_string(mtpt);
432 malloc_string(hostname);
433 malloc_string(cdr_exe);
434 bkpinfo->optimal_set_size =
435 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
436 1024;
437
438 log_msg(1, "Foo");
439 if (bkpinfo->backup_media_type == tape) {
440 log_msg(1, "Bar");
441 mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
442 log_msg(1, "tmp = '%s'", tmp);
443 if (run_program_and_log_output(tmp, 3)) {
444 mr_free(tmp);
445 fatal_error
446 ("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.");
447 }
448 mr_free(tmp);
449 }
450 if (bkpinfo->scratchdir) {
451 make_hole_for_dir(bkpinfo->scratchdir);
452 chmod(bkpinfo->scratchdir, 0700);
453 } else {
454 fatal_error("Scratchdir set to NULL !");
455 }
456 if (bkpinfo->backup_media_type == iso)
457 make_hole_for_dir(bkpinfo->isodir);
458
459 run_program_and_log_output("uname -a", 5);
460 run_program_and_log_output("cat /etc/*-release", 5);
461 run_program_and_log_output("cat /etc/*issue*", 5);
462#ifdef __FreeBSD__
463#else
464 run_program_and_log_output("cat /proc/cpuinfo", 5);
465 run_program_and_log_output
466 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
467 5);
468#endif
469
470 if (bkpinfo->use_lzo) {
471 strcpy(bkpinfo->zip_exe, "lzop");
472 strcpy(bkpinfo->zip_suffix, "lzo");
473 } else if (bkpinfo->use_gzip) {
474 strcpy(bkpinfo->zip_exe, "gzip");
475 strcpy(bkpinfo->zip_suffix, "gz");
476 } else if (bkpinfo->compression_level != 0) {
477 strcpy(bkpinfo->zip_exe, "bzip2");
478 strcpy(bkpinfo->zip_suffix, "bz2");
479 } else {
480 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
481 }
482
483// DVD
484
485 if (bkpinfo->backup_media_type == dvd) {
486 if (find_home_of_exe("growisofs")) {
487 strcpy(cdr_exe, "growisofs");
488 } // unlikely to be used
489 else {
490 fatal_error("Please install growisofs.");
491 }
492 if (bkpinfo->nonbootable_backup) {
493 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
494 } else if
495#ifdef __FreeBSD__
496 (TRUE)
497#else
498 (bkpinfo->make_cd_use_lilo)
499#endif
500#ifdef __IA64__
501 {
502 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
503 }
504#else
505 {
506 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
507 }
508#endif
509 else
510 {
511 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
512 }
513 if (bkpinfo->manual_cd_tray) {
514 paranoid_free(mondo_mkisofs_sz);
515 fatal_error("Manual CD tray + DVD not supported yet.");
516 // -m isn't supported by growisofs, BTW...
517 } else {
518 sprintf(bkpinfo->call_make_iso,
519 "%s %s -Z %s . 2>> _ERR_",
520 mondo_mkisofs_sz,
521 "", bkpinfo->media_device);
522 paranoid_free(mondo_mkisofs_sz);
523 }
524 if (getenv ("SUDO_COMMAND")) {
525 mr_asprintf(&command, "strings `which growisofs` | grep -c SUDO_COMMAND");
526 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
527 mr_free(command);
528 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
529 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
530 }
531 mr_free(command);
532 }
533 log_msg(2, "call_make_iso (DVD res) is ... %s",
534 bkpinfo->call_make_iso);
535 } // end of DVD code
536
537// CD-R or CD-RW
538 if (bkpinfo->backup_media_type == cdrw
539 || bkpinfo->backup_media_type == cdr) {
540 if (!bkpinfo->manual_cd_tray) {
541 mr_asprintf(&extra_cdrom_params, "-waiti ");
542 }
543 if (bkpinfo->backup_media_type == cdrw) {
544 mr_asprintf(&extra_cdrom_params, "blank=fast ");
545 }
546 if (find_home_of_exe("cdrecord")) {
547 strcpy(cdr_exe, "cdrecord");
548 } else if (find_home_of_exe("dvdrecord")) {
549 strcpy(cdr_exe, "dvdrecord");
550 } else {
551 fatal_error("Please install either cdrecord or dvdrecord.");
552 }
553 if (bkpinfo->nonbootable_backup) {
554 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
555 } else if
556#ifdef __FreeBSD__
557 (TRUE)
558#else
559 (bkpinfo->make_cd_use_lilo)
560#endif
561#ifdef __IA64__
562 {
563 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
564 }
565#else
566 {
567 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
568 }
569#endif
570 else
571 {
572 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
573 }
574 if (bkpinfo->manual_cd_tray) {
575 if (bkpinfo->call_before_iso[0] == '\0') {
576 sprintf(bkpinfo->call_before_iso,
577 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
578 mondo_mkisofs_sz, bkpinfo->tmpdir);
579 } else {
580 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
581 sprintf (bkpinfo->call_before_iso,
582 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
583 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
584 }
585 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
586 sprintf(bkpinfo->call_make_iso,
587 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
588 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
589 extra_cdrom_params, bkpinfo->media_device,
590 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
591 } else {
592 sprintf(bkpinfo->call_make_iso,
593 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
594 mondo_mkisofs_sz, cdr_exe,
595 (bkpinfo->please_dont_eject) ? " " : "-eject",
596 extra_cdrom_params, bkpinfo->media_device,
597 bkpinfo->cdrw_speed);
598 }
599 paranoid_free(mondo_mkisofs_sz);
600 paranoid_free(extra_cdrom_params);
601 } // end of CD code
602
603 if (bkpinfo->backup_media_type == iso) {
604
605/* Patch by Conor Daly <conor.daly@met.ie>
606 * 23-june-2004
607 * Break up isodir into iso_mnt and iso_path
608 * These will be used along with iso-dev at restore time
609 * to locate the ISOs where ever they're mounted
610 */
611
612 log_it("isodir = %s", bkpinfo->isodir);
613 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
614 log_it("command = %s", command);
615 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
616 mr_asprintf(&iso_dev, "%s", call_program_and_get_last_line_of_output(command));
617 mr_asprintf(&tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
618 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
619 mr_free(tmp);
620 mr_free(command);
621
622 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
623 mr_free(iso_dev);
624
625 log_it("command = %s", command);
626 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
627 mr_asprintf(&iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
628 mr_asprintf(&tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
629 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
630 mr_free(tmp);
631 mr_free(command);
632
633 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
634 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
635 if (strlen(iso_tmp) < strlen(iso_mnt)) {
636 mr_asprintf(&iso_path, "%s", "");
637 } else {
638 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
639 }
640 mr_free(iso_tmp);
641
642 mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
643 write_one_liner_data_file(tmp, iso_path);
644 mr_free(tmp);
645
646 log_it("isodir: %s", iso_path);
647 mr_free(iso_path);
648
649 mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
650 write_one_liner_data_file(tmp, bkpinfo->prefix);
651 mr_free(tmp);
652
653 log_it("iso-prefix: %s", bkpinfo->prefix);
654
655/* End patch */
656 } // end of iso code
657
658 if (bkpinfo->backup_media_type == nfs) {
659 strcpy(hostname, bkpinfo->nfs_mount);
660 colon = strchr(hostname, ':');
661 if (!colon) {
662 log_it("nfs mount doesn't have a colon in it");
663 retval++;
664 } else {
665 struct hostent *hent;
666
667 *colon = '\0';
668 hent = gethostbyname(hostname);
669 if (!hent) {
670 log_it("Can't resolve NFS mount (%s): %s", hostname,
671 hstrerror(h_errno));
672 retval++;
673 } else {
674 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
675 mr_strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
676 strcpy(bkpinfo->nfs_mount, ip_address);
677 paranoid_free(ip_address);
678 }
679 }
680 store_nfs_config();
681 }
682
683 log_it("Finished processing incoming params");
684 if (retval) {
685 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
686 }
687 if (strlen(bkpinfo->tmpdir) < 2) {
688 log_it("tmpdir is blank/missing");
689 retval++;
690 }
691 if (bkpinfo->include_paths == NULL) {
692 mr_asprintf(&p, "/");
693 bkpinfo->include_paths = p;
694 }
695 g_backup_media_type = bkpinfo->backup_media_type;
696 paranoid_free(mtpt);
697 paranoid_free(hostname);
698 paranoid_free(cdr_exe);
699 return (retval);
700}
701
702
703
704/**
705 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
706 * Seeds the random-number generator, loads important modules, checks the sanity
707 * of the user's Linux distribution, and deletes logfile.
708 * @param bkpinfo The backup information structure. Will be initialized.
709 * @return number of errors (0 for success)
710 */
711int pre_param_configuration()
712{
713 int res = 0;
714 char *tmp = NULL;
715
716 make_hole_for_dir(MNT_CDROM);
717 assert(bkpinfo != NULL);
718 srandom((unsigned long) (time(NULL)));
719 insmod_crucial_modules();
720 if (bkpinfo->disaster_recovery) {
721 if (!does_nonMS_partition_exist()) {
722 fatal_error
723 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
724 }
725 }
726
727 unlink(MONDO_TRACEFILE);
728 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
729 run_program_and_log_output(tmp, FALSE);
730 paranoid_free(tmp);
731 if (find_and_store_mondoarchives_home(g_mondo_home)) {
732 fprintf(stderr,
733 "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");
734 res++;
735 return (res);
736 }
737 res += some_basic_system_sanity_checks();
738 if (res) {
739 log_it("Your distribution did not pass Mondo's sanity test.");
740 }
741 g_current_media_number = 1;
742 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
743 return (res);
744}
745
746void setup_tmpdir(char *path) {
747
748 char *tmp = NULL;
749 char *p = NULL;
750
751 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
752 /* purging a potential old tmpdir */
753 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
754 system(tmp);
755 paranoid_free(tmp);
756 }
757
758 if (path != NULL) {
759 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
760 } else if (getenv("TMPDIR")) {
761 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
762 } else if (getenv("TMP")) {
763 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
764 } else {
765 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
766 }
767 p = mkdtemp(tmp);
768 if (p == NULL) {
769 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
770 finish(-1);
771 }
772 strcpy(bkpinfo->tmpdir,p);
773 paranoid_free(tmp);
774}
775
776
777/**
778 * Reset all fields of the backup information structure to a sensible default.
779 * @param bkpinfo The @c bkpinfo to reset.
780 */
781void reset_bkpinfo()
782{
783 int i;
784
785 log_msg(1, "Hi");
786 assert(bkpinfo != NULL);
787 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
788
789 bkpinfo->media_device[0] = '\0';
790 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
791 bkpinfo->media_size[i] = -1;
792 }
793 bkpinfo->boot_loader = '\0';
794 bkpinfo->boot_device[0] = '\0';
795 bkpinfo->zip_exe[0] = '\0';
796 bkpinfo->zip_suffix[0] = '\0';
797 bkpinfo->image_devs[0] = '\0';
798 bkpinfo->compression_level = 3;
799 bkpinfo->use_lzo = FALSE;
800 bkpinfo->use_gzip = FALSE;
801 bkpinfo->do_not_compress_these[0] = '\0';
802 bkpinfo->verify_data = FALSE;
803 bkpinfo->backup_data = FALSE;
804 bkpinfo->restore_data = FALSE;
805 bkpinfo->use_star = FALSE;
806 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
807 bkpinfo->disaster_recovery =
808 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
809 if (bkpinfo->disaster_recovery) {
810 strcpy(bkpinfo->isodir, "/");
811 } else {
812 strcpy(bkpinfo->isodir, MONDO_CACHE);
813 }
814 strcpy(bkpinfo->prefix, STD_PREFIX);
815 sensibly_set_tmpdir_and_scratchdir();
816
817 bkpinfo->optimal_set_size = 0;
818 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
819 bkpinfo->restore_path[0] = '\0';
820 bkpinfo->call_before_iso[0] = '\0';
821 bkpinfo->call_make_iso[0] = '\0';
822 bkpinfo->call_burn_iso[0] = '\0';
823 bkpinfo->call_after_iso[0] = '\0';
824 bkpinfo->kernel_path[0] = '\0';
825 bkpinfo->nfs_mount[0] = '\0';
826 bkpinfo->nfs_user = NULL;
827 bkpinfo->exclude_paths = NULL;
828 bkpinfo->include_paths = 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 malloc_string(g_magicdev_command);
1386 } else {
1387 paranoid_free(g_boot_mountpt);
1388 paranoid_free(g_mondo_home);
1389 paranoid_free(g_magicdev_command);
1390
1391 mr_free(g_serial_string);
1392 }
1393}
1394
1395/**
1396 * Allocate important globals.
1397 * @see do_libmondo_global_strings_thing
1398 */
1399void malloc_libmondo_global_strings(void)
1400{
1401 do_libmondo_global_strings_thing(1);
1402}
1403
1404/**
1405 * Free important globals.
1406 * @see do_libmondo_global_strings_thing
1407 */
1408void free_libmondo_global_strings(void)
1409{
1410 do_libmondo_global_strings_thing(0);
1411}
1412
1413
1414
1415/**
1416 * Stop @c magicdev if it's running.
1417 * The command used to start it is saved in @p g_magicdev_command.
1418 */
1419void stop_magicdev_if_necessary()
1420{
1421 strcpy(g_magicdev_command,
1422 call_program_and_get_last_line_of_output
1423 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1424 if (g_magicdev_command[0]) {
1425 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1426 paranoid_system("killall magicdev");
1427 }
1428}
1429
1430
1431/**
1432 * Restart magicdev if it was stopped.
1433 */
1434void restart_magicdev_if_necessary()
1435{
1436 char *tmp = NULL;
1437
1438 if (g_magicdev_command && g_magicdev_command[0]) {
1439 mr_asprintf(&tmp, "%s &", g_magicdev_command);
1440 paranoid_system(tmp);
1441 mr_free(tmp);
1442 }
1443}
1444
1445/* @} - end of utilityGroup */
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