source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-tools.c@ 2318

Last change on this file since 2318 was 2318, checked in by Bruno Cornec, 15 years ago

r3329@localhost: bruno | 2009-08-05 00:33:17 +0200
bkpinfo->exclude_paths is now dynamically allocated
  • Property svn:keywords set to Id
File size: 38.6 KB
Line 
1/*
2 $Id: libmondo-tools.c 2318 2009-08-18 12:36:47Z 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 2318 2009-08-18 12:36:47Z 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 call_before_iso_user[MAX_STR_LEN] = "\0";
420 /*
421 long avm = 0;
422 int rdsiz_MB;
423 */
424 char *iso_dev = NULL;
425 char *iso_mnt = NULL;
426 char *iso_tmp = NULL;
427 char *iso_path = NULL;
428
429 assert(bkpinfo != NULL);
430 malloc_string(mtpt);
431 malloc_string(hostname);
432 malloc_string(cdr_exe);
433 bkpinfo->optimal_set_size =
434 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
435 1024;
436
437 log_msg(1, "Foo");
438 if (bkpinfo->backup_media_type == tape) {
439 log_msg(1, "Bar");
440 mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
441 log_msg(1, "tmp = '%s'", tmp);
442 if (run_program_and_log_output(tmp, 3)) {
443 mr_free(tmp);
444 fatal_error
445 ("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.");
446 }
447 mr_free(tmp);
448 }
449 make_hole_for_dir(bkpinfo->scratchdir);
450 if (bkpinfo->backup_media_type == iso)
451 make_hole_for_dir(bkpinfo->isodir);
452
453 run_program_and_log_output("uname -a", 5);
454 run_program_and_log_output("cat /etc/*-release", 5);
455 run_program_and_log_output("cat /etc/*issue*", 5);
456#ifdef __FreeBSD__
457#else
458 run_program_and_log_output("cat /proc/cpuinfo", 5);
459 run_program_and_log_output
460 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
461 5);
462#endif
463
464 if (bkpinfo->use_lzo) {
465 strcpy(bkpinfo->zip_exe, "lzop");
466 strcpy(bkpinfo->zip_suffix, "lzo");
467 } else if (bkpinfo->use_gzip) {
468 strcpy(bkpinfo->zip_exe, "gzip");
469 strcpy(bkpinfo->zip_suffix, "gz");
470 } else if (bkpinfo->compression_level != 0) {
471 strcpy(bkpinfo->zip_exe, "bzip2");
472 strcpy(bkpinfo->zip_suffix, "bz2");
473 } else {
474 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
475 }
476
477// DVD
478
479 if (bkpinfo->backup_media_type == dvd) {
480 if (find_home_of_exe("growisofs")) {
481 strcpy(cdr_exe, "growisofs");
482 } // unlikely to be used
483 else {
484 fatal_error("Please install growisofs.");
485 }
486 if (bkpinfo->nonbootable_backup) {
487 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
488 } else if
489#ifdef __FreeBSD__
490 (TRUE)
491#else
492 (bkpinfo->make_cd_use_lilo)
493#endif
494#ifdef __IA64__
495 {
496 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
497 }
498#else
499 {
500 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
501 }
502#endif
503 else
504 {
505 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
506 }
507 if (bkpinfo->manual_cd_tray) {
508 paranoid_free(mondo_mkisofs_sz);
509 fatal_error("Manual CD tray + DVD not supported yet.");
510 // -m isn't supported by growisofs, BTW...
511 } else {
512 sprintf(bkpinfo->call_make_iso,
513 "%s %s -Z %s . 2>> _ERR_",
514 mondo_mkisofs_sz,
515 "", bkpinfo->media_device);
516 paranoid_free(mondo_mkisofs_sz);
517 }
518 if (getenv ("SUDO_COMMAND")) {
519 mr_asprintf(&command, "strings `which growisofs` | grep -c SUDO_COMMAND");
520 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
521 mr_free(command);
522 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
523 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
524 }
525 mr_free(command);
526 }
527 log_msg(2, "call_make_iso (DVD res) is ... %s",
528 bkpinfo->call_make_iso);
529 } // end of DVD code
530
531// CD-R or CD-RW
532 if (bkpinfo->backup_media_type == cdrw
533 || bkpinfo->backup_media_type == cdr) {
534 if (!bkpinfo->manual_cd_tray) {
535 mr_asprintf(&extra_cdrom_params, "-waiti ");
536 }
537 if (bkpinfo->backup_media_type == cdrw) {
538 mr_asprintf(&extra_cdrom_params, "blank=fast ");
539 }
540 if (find_home_of_exe("cdrecord")) {
541 strcpy(cdr_exe, "cdrecord");
542 } else if (find_home_of_exe("dvdrecord")) {
543 strcpy(cdr_exe, "dvdrecord");
544 } else {
545 fatal_error("Please install either cdrecord or dvdrecord.");
546 }
547 if (bkpinfo->nonbootable_backup) {
548 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
549 } else if
550#ifdef __FreeBSD__
551 (TRUE)
552#else
553 (bkpinfo->make_cd_use_lilo)
554#endif
555#ifdef __IA64__
556 {
557 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
558 }
559#else
560 {
561 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
562 }
563#endif
564 else
565 {
566 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
567 }
568 if (bkpinfo->manual_cd_tray) {
569 if (bkpinfo->call_before_iso[0] == '\0') {
570 sprintf(bkpinfo->call_before_iso,
571 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
572 mondo_mkisofs_sz, bkpinfo->tmpdir);
573 } else {
574 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
575 sprintf (bkpinfo->call_before_iso,
576 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
577 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
578 }
579 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
580 sprintf(bkpinfo->call_make_iso,
581 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
582 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
583 extra_cdrom_params, bkpinfo->media_device,
584 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
585 } else {
586 sprintf(bkpinfo->call_make_iso,
587 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
588 mondo_mkisofs_sz, cdr_exe,
589 (bkpinfo->please_dont_eject) ? " " : "-eject",
590 extra_cdrom_params, bkpinfo->media_device,
591 bkpinfo->cdrw_speed);
592 }
593 paranoid_free(mondo_mkisofs_sz);
594 paranoid_free(extra_cdrom_params);
595 } // end of CD code
596
597 if (bkpinfo->backup_media_type == iso) {
598
599/* Patch by Conor Daly <conor.daly@met.ie>
600 * 23-june-2004
601 * Break up isodir into iso_mnt and iso_path
602 * These will be used along with iso-dev at restore time
603 * to locate the ISOs where ever they're mounted
604 */
605
606 log_it("isodir = %s", bkpinfo->isodir);
607 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
608 log_it("command = %s", command);
609 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
610 mr_asprintf(&iso_dev, "%s", call_program_and_get_last_line_of_output(command));
611 mr_asprintf(&tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
612 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
613 mr_free(tmp);
614 mr_free(command);
615
616 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
617 mr_free(iso_dev);
618
619 log_it("command = %s", command);
620 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
621 mr_asprintf(&iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
622 mr_asprintf(&tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
623 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
624 mr_free(tmp);
625 mr_free(command);
626
627 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
628 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
629 if (strlen(iso_tmp) < strlen(iso_mnt)) {
630 mr_asprintf(&iso_path, "%s", "");
631 } else {
632 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
633 }
634 mr_free(iso_tmp);
635
636 mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
637 write_one_liner_data_file(tmp, iso_path);
638 mr_free(tmp);
639
640 log_it("isodir: %s", iso_path);
641 mr_free(iso_path);
642
643 mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
644 write_one_liner_data_file(tmp, bkpinfo->prefix);
645 mr_free(tmp);
646
647 log_it("iso-prefix: %s", bkpinfo->prefix);
648
649/* End patch */
650 } // end of iso code
651
652 if (bkpinfo->backup_media_type == nfs) {
653 strcpy(hostname, bkpinfo->nfs_mount);
654 colon = strchr(hostname, ':');
655 if (!colon) {
656 log_it("nfs mount doesn't have a colon in it");
657 retval++;
658 } else {
659 struct hostent *hent;
660
661 *colon = '\0';
662 hent = gethostbyname(hostname);
663 if (!hent) {
664 log_it("Can't resolve NFS mount (%s): %s", hostname,
665 hstrerror(h_errno));
666 retval++;
667 } else {
668 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
669 mr_strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
670 strcpy(bkpinfo->nfs_mount, ip_address);
671 paranoid_free(ip_address);
672 }
673 }
674 store_nfs_config();
675 }
676
677 log_it("Finished processing incoming params");
678 if (retval) {
679 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
680 }
681 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
682 log_it("tmpdir or scratchdir are blank/missing");
683 retval++;
684 }
685 if (bkpinfo->include_paths[0] == '\0') {
686 // fatal_error ("Why no backup path?");
687 strcpy(bkpinfo->include_paths, "/");
688 }
689 chmod(bkpinfo->scratchdir, 0700);
690 g_backup_media_type = bkpinfo->backup_media_type;
691 paranoid_free(mtpt);
692 paranoid_free(hostname);
693 paranoid_free(cdr_exe);
694 return (retval);
695}
696
697
698
699/**
700 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
701 * Seeds the random-number generator, loads important modules, checks the sanity
702 * of the user's Linux distribution, and deletes logfile.
703 * @param bkpinfo The backup information structure. Will be initialized.
704 * @return number of errors (0 for success)
705 */
706int pre_param_configuration()
707{
708 int res = 0;
709 char *tmp = NULL;
710
711 make_hole_for_dir(MNT_CDROM);
712 assert(bkpinfo != NULL);
713 srandom((unsigned long) (time(NULL)));
714 insmod_crucial_modules();
715 if (bkpinfo->disaster_recovery) {
716 if (!does_nonMS_partition_exist()) {
717 fatal_error
718 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
719 }
720 }
721
722 unlink(MONDO_TRACEFILE);
723 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
724 run_program_and_log_output(tmp, FALSE);
725 paranoid_free(tmp);
726 if (find_and_store_mondoarchives_home(g_mondo_home)) {
727 fprintf(stderr,
728 "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");
729 res++;
730 return (res);
731 }
732 res += some_basic_system_sanity_checks();
733 if (res) {
734 log_it("Your distribution did not pass Mondo's sanity test.");
735 }
736 g_current_media_number = 1;
737 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
738 return (res);
739}
740
741void setup_tmpdir(char *path) {
742
743 char *tmp = NULL;
744 char *p = NULL;
745
746 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
747 /* purging a potential old tmpdir */
748 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
749 system(tmp);
750 paranoid_free(tmp);
751 }
752
753 if (path != NULL) {
754 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
755 } else if (getenv("TMPDIR")) {
756 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
757 } else if (getenv("TMP")) {
758 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
759 } else {
760 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
761 }
762 p = mkdtemp(tmp);
763 if (p == NULL) {
764 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
765 finish(-1);
766 }
767 strcpy(bkpinfo->tmpdir,p);
768 paranoid_free(tmp);
769}
770
771
772/**
773 * Reset all fields of the backup information structure to a sensible default.
774 * @param bkpinfo The @c bkpinfo to reset.
775 */
776void reset_bkpinfo()
777{
778 int i;
779
780 log_msg(1, "Hi");
781 assert(bkpinfo != NULL);
782 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
783
784 bkpinfo->media_device[0] = '\0';
785 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
786 bkpinfo->media_size[i] = -1;
787 }
788 bkpinfo->boot_loader = '\0';
789 bkpinfo->boot_device[0] = '\0';
790 bkpinfo->zip_exe[0] = '\0';
791 bkpinfo->zip_suffix[0] = '\0';
792 bkpinfo->image_devs[0] = '\0';
793 bkpinfo->compression_level = 3;
794 bkpinfo->use_lzo = FALSE;
795 bkpinfo->use_gzip = FALSE;
796 bkpinfo->do_not_compress_these[0] = '\0';
797 bkpinfo->verify_data = FALSE;
798 bkpinfo->backup_data = FALSE;
799 bkpinfo->restore_data = FALSE;
800 bkpinfo->use_star = FALSE;
801 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
802 bkpinfo->disaster_recovery =
803 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
804 if (bkpinfo->disaster_recovery) {
805 strcpy(bkpinfo->isodir, "/");
806 } else {
807 strcpy(bkpinfo->isodir, MONDO_CACHE);
808 }
809 strcpy(bkpinfo->prefix, STD_PREFIX);
810 sensibly_set_tmpdir_and_scratchdir();
811
812 bkpinfo->optimal_set_size = 0;
813 strcpy(bkpinfo->include_paths, "/");
814 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
815 bkpinfo->include_paths[0] = '\0';
816 bkpinfo->restore_path[0] = '\0';
817 bkpinfo->call_before_iso[0] = '\0';
818 bkpinfo->call_make_iso[0] = '\0';
819 bkpinfo->call_burn_iso[0] = '\0';
820 bkpinfo->call_after_iso[0] = '\0';
821 bkpinfo->kernel_path[0] = '\0';
822 bkpinfo->nfs_mount[0] = '\0';
823 bkpinfo->nfs_user = NULL;
824 bkpinfo->exclude_paths = NULL;
825 bkpinfo->nfs_remote_dir[0] = '\0';
826 bkpinfo->postnuke_tarball[0] = '\0';
827 bkpinfo->wipe_media_first = FALSE;
828 bkpinfo->differential = 0;
829 bkpinfo->please_dont_eject = FALSE;
830 bkpinfo->cdrw_speed = 0;
831 bkpinfo->manual_cd_tray = FALSE;
832 bkpinfo->nonbootable_backup = FALSE;
833 bkpinfo->make_cd_use_lilo = FALSE;
834 bkpinfo->use_obdr = FALSE;
835 bkpinfo->restore_mode = interactive;
836}
837
838
839
840
841/**
842 * Get the remaining free space (in MB) on @p partition.
843 * @param partition The partition to check free space on (either a device or a mountpoint).
844 * @return The free space on @p partition, in MB.
845 */
846long free_space_on_given_partition(char *partition)
847{
848 char *out_sz = NULL;
849 char *command = NULL;
850 long res;
851
852 assert_string_is_neither_NULL_nor_zerolength(partition);
853
854 mr_asprintf(&command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
855 if (system(command)) {
856 mr_free(command);
857 return (-1);
858 } // partition does not exist
859 mr_free(command);
860
861 mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
862 partition);
863 mr_asprintf(&out_sz, "%s", call_program_and_get_last_line_of_output(command));
864 mr_free(command);
865
866 if (strlen(out_sz) == 0) {
867 mr_free(out_sz);
868 return (-1);
869 } // error within df, probably
870 res = atol(out_sz);
871 mr_free(out_sz);
872 return (res);
873}
874
875
876
877/**
878 * Check the user's system for sanity. Checks performed:
879 * - make sure user has enough RAM (32mb required, 64mb recommended)
880 * - make sure user has enough free space in @c /
881 * - check kernel for ramdisk support
882 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
883 * - make sure CD-ROM is unmounted
884 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
885 *
886 * @return number of problems with the user's setup (0 for success)
887 */
888int some_basic_system_sanity_checks()
889{
890
891 /*@ buffers ************ */
892 char *tmp = NULL;
893
894 /*@ int's *************** */
895 int retval = 0;
896
897 mvaddstr_and_log_it(g_currentY, 0,
898 "Checking sanity of your Linux distribution");
899#ifndef __FreeBSD__
900 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
901 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
902 log_it
903 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
904 run_program_and_log_output
905 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
906 }
907 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
908 if (atol(tmp) < 35000) {
909 retval++;
910 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
911 }
912 if (atol(tmp) < 66000) {
913 log_to_screen
914 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
915 }
916 mr_free(tmp);
917#endif
918
919 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
920 retval++;
921 log_to_screen
922 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
923 fatal_error
924 ("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. :)");
925 }
926#ifndef __FreeBSD__
927 if (run_program_and_log_output
928 ("grep ramdisk /proc/devices", FALSE)) {
929 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
930 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
931 if (run_program_and_log_output
932 ("grep ramdisk /proc/devices", FALSE)) {
933 if (!ask_me_yes_or_no
934 ("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?"))
935 {
936 // retval++;
937 log_to_screen
938 ("It looks as if your kernel lacks ramdisk and initrd support.");
939 log_to_screen
940 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
941 }
942 }
943 }
944#endif
945 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
946 retval += whine_if_not_found("mkisofs");
947 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
948 retval += whine_if_not_found("cdrecord");
949 }
950 retval += whine_if_not_found("bzip2");
951 retval += whine_if_not_found("gzip");
952 retval += whine_if_not_found("awk");
953 retval += whine_if_not_found("md5sum");
954 retval += whine_if_not_found("strings");
955 retval += whine_if_not_found("mindi");
956 retval += whine_if_not_found("buffer");
957
958 // abort if Windows partition but no ms-sys and parted
959 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
960 log_to_screen("I think you have a Windows 9x partition.");
961 retval += whine_if_not_found("parted");
962 }
963
964 if (!find_home_of_exe("cmp")) {
965 if (!find_home_of_exe("true")) {
966 whine_if_not_found("cmp");
967 } else {
968 log_to_screen
969 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
970 if (run_program_and_log_output
971 ("cp -f `which true` /usr/bin/cmp", 0)) {
972 fatal_error("Failed to create dummy 'cmp' file.");
973 }
974 }
975 }
976 run_program_and_log_output
977 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
978 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\""));
979 if (strcmp("", tmp)) {
980 if (strstr(tmp, "autofs")) {
981 log_to_screen
982 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
983 log_to_screen
984 ("if a CD actually is inserted. If a CD is inserted, please");
985 log_to_screen("eject it. Thank you.");
986 log_it
987 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
988 } else
989 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
990 retval++;
991 mr_free(tmp);
992 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
993 }
994 }
995 mr_free(tmp);
996
997 run_program_and_log_output("cat /etc/fstab", 5);
998#ifdef __FreeBSD__
999 run_program_and_log_output("vinum printconfig", 5);
1000#else
1001 run_program_and_log_output("cat /etc/raidtab", 5);
1002#endif
1003
1004 if (run_program_and_log_output("mindi -V", 1)) {
1005 log_to_screen("Could not ascertain mindi's version number.");
1006 log_to_screen
1007 ("You have not installed Mondo and/or Mindi properly.");
1008 log_to_screen("Please uninstall and reinstall them both.");
1009 fatal_error("Please reinstall Mondo and Mindi.");
1010 }
1011 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1012 if (run_program_and_log_output(tmp, 5)) {
1013 mr_free(tmp);
1014 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1015 log_to_screen(tmp);
1016 log_to_screen
1017 ("Please run that command by hand and examine /var/log/mindi.log");
1018 log_to_screen
1019 ("for more information. Perhaps your /etc/fstab file is insane.");
1020 log_to_screen
1021 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1022 retval++;
1023 }
1024 mr_free(tmp);
1025
1026 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1027 && !does_file_exist("/etc/raidtab")) {
1028 log_to_screen
1029 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1030 create_raidtab_from_mdstat("/etc/raidtab");
1031 }
1032
1033 if (retval) {
1034 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1035 } else {
1036 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1037 }
1038 return (retval);
1039}
1040
1041/**
1042 * Retrieve the line containing @p label from the config file.
1043 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1044 * @param label What to read from the file.
1045 * @param value Where to put it.
1046 * @return 0 for success, 1 for failure.
1047 */
1048int read_cfg_var(char *config_file, char *label, char *value)
1049{
1050 /*@ buffer ****************************************************** */
1051 char *command = NULL;
1052 char *tmp = NULL;
1053
1054 /*@ end vars *************************************************** */
1055
1056 assert_string_is_neither_NULL_nor_zerolength(config_file);
1057 assert_string_is_neither_NULL_nor_zerolength(label);
1058 if (!does_file_exist(config_file)) {
1059 mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file", config_file);
1060 log_to_screen(tmp);
1061 mr_free(tmp);
1062
1063 value[0] = '\0';
1064 return (1);
1065 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1066 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1067 return (0);
1068 } else {
1069 mr_asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
1070 strcpy(value, call_program_and_get_last_line_of_output(command));
1071 mr_free(command);
1072
1073 if (strlen(value) == 0) {
1074 return (1);
1075 } else {
1076 return (0);
1077 }
1078 }
1079}
1080
1081
1082
1083/**
1084 * Remount @c supermount if it was unmounted earlier.
1085 */
1086void remount_supermounts_if_necessary()
1087{
1088 if (g_remount_cdrom_at_end) {
1089 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1090 }
1091 if (g_remount_floppy_at_end) {
1092 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1093 }
1094}
1095
1096/**
1097 * Unmount @c supermount if it's mounted.
1098 */
1099void unmount_supermounts_if_necessary()
1100{
1101 if (run_program_and_log_output
1102 ("mount | grep cdrom | grep super", FALSE) == 0) {
1103 g_remount_cdrom_at_end = TRUE;
1104 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1105 }
1106 if (run_program_and_log_output
1107 ("mount | grep floppy | grep super", FALSE) == 0) {
1108 g_remount_floppy_at_end = TRUE;
1109 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1110 }
1111}
1112
1113/**
1114 * Whether we had to stop autofs (if so, restart it at end).
1115 */
1116bool g_autofs_stopped = FALSE;
1117
1118/**
1119 * Path to the autofs initscript ("" if none exists).
1120 */
1121char g_autofs_exe[MAX_STR_LEN];
1122
1123/**
1124 * Autofs initscript in Xandros Linux distribution.
1125 */
1126#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1127
1128/**
1129 * Autofs initscript in most Linux distributions.
1130 */
1131#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1132
1133/**
1134 * If autofs is mounted, stop it (restart at end).
1135 */
1136void stop_autofs_if_necessary()
1137{
1138 char *tmp = NULL;
1139
1140 g_autofs_exe[0] = '\0';
1141 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1142 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1143 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1144 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1145 }
1146
1147 if (!g_autofs_exe[0]) {
1148 log_msg(3, "No autofs detected.");
1149 } else {
1150 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1151 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1152 mr_asprintf(&tmp, "%s stop", g_autofs_exe);
1153 if (run_program_and_log_output(tmp, 2)) {
1154 log_it("Failed to stop autofs - I assume it wasn't running");
1155 } else {
1156 g_autofs_stopped = TRUE;
1157 log_it("Stopped autofs OK");
1158 }
1159 mr_free(tmp);
1160 }
1161}
1162
1163/**
1164 * If autofs was stopped earlier, restart it.
1165 */
1166void restart_autofs_if_necessary()
1167{
1168 char *tmp = NULL;
1169
1170 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1171 log_msg(3, "No autofs detected.");
1172 return;
1173 }
1174 mr_asprintf(&tmp, "%s start", g_autofs_exe);
1175 if (run_program_and_log_output(tmp, 2)) {
1176 log_it("Failed to start autofs");
1177 } else {
1178 g_autofs_stopped = FALSE;
1179 log_it("Started autofs OK");
1180 }
1181 mr_free(tmp);
1182}
1183
1184
1185/**
1186 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1187 */
1188void mount_boot_if_necessary()
1189{
1190 char *tmp = NULL;
1191 char *command = NULL;
1192
1193 log_msg(1, "Started sub");
1194 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1195 g_boot_mountpt[0] = '\0';
1196 log_msg(4, "Done. Great. Seeting command to something");
1197 mr_asprintf(&command, "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1198 log_msg(4, "Cool. Command = '%s'", command);
1199 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1200 mr_free(command);
1201
1202 log_msg(4, "tmp = '%s'", tmp);
1203 if (tmp[0]) {
1204 log_it("/boot is at %s according to /etc/fstab", tmp);
1205 mr_asprintf(&command, "mount | grep -Ew '/boot'");
1206 mr_free(tmp);
1207 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1208 mr_free(command);
1209
1210 if (!strcmp(tmp,"")) {
1211 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1212 if (!run_program_and_log_output("mount /boot", 5)) {
1213 strcpy(g_boot_mountpt, "/boot");
1214 log_msg(1, "Mounted /boot");
1215 } else {
1216 log_it("...ignored cos it's a label or uuid :-)");
1217 }
1218 } else {
1219 mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
1220 log_msg(3, "command = %s", command);
1221 if (run_program_and_log_output(command, 5)) {
1222 strcpy(g_boot_mountpt, tmp);
1223 mr_free(tmp);
1224 mr_asprintf(&tmp, "%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
1225 log_it(tmp);
1226 mr_free(tmp);
1227
1228 mr_asprintf(&tmp, "mount %s", g_boot_mountpt);
1229 if (run_program_and_log_output(tmp, 5)) {
1230 g_boot_mountpt[0] = '\0';
1231 log_msg(1, "Plan B");
1232 if (!run_program_and_log_output("mount /boot", 5)) {
1233 strcpy(g_boot_mountpt, "/boot");
1234 log_msg(1, "Plan B worked");
1235 } else {
1236 log_msg(1,
1237 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1238 }
1239 }
1240 mr_free(tmp);
1241 }
1242 mr_free(command);
1243 }
1244 }
1245 }
1246 log_msg(1, "Ended sub");
1247}
1248
1249
1250/**
1251 * If we mounted /boot earlier, unmount it.
1252 */
1253void unmount_boot_if_necessary()
1254{
1255 char *tmp = NULL;
1256
1257 log_msg(3, "starting");
1258 if (g_boot_mountpt[0]) {
1259 mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
1260 if (run_program_and_log_output(tmp, 5)) {
1261 log_it("WARNING - unable to unmount /boot");
1262 }
1263 mr_free(tmp);
1264 }
1265 log_msg(3, "leaving");
1266}
1267
1268
1269
1270/**
1271 * Write a line to a configuration file. Writes a line of the form,
1272 * @c label @c value.
1273 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1274 * @param label What to call this bit of data you're writing.
1275 * @param value The bit of data you're writing.
1276 * @return 0 for success, 1 for failure.
1277 */
1278int write_cfg_var(char *config_file, char *label, char *value)
1279{
1280 /*@ buffers ***************************************************** */
1281 char *command = NULL;
1282 char *tempfile = NULL;
1283 char *tmp = NULL;
1284
1285
1286 /*@ end vars *************************************************** */
1287 assert_string_is_neither_NULL_nor_zerolength(config_file);
1288 assert_string_is_neither_NULL_nor_zerolength(label);
1289 assert(value != NULL);
1290 if (!does_file_exist(config_file)) {
1291 mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file", config_file);
1292 log_to_screen(tmp);
1293 mr_free(tmp);
1294 return (1);
1295 }
1296 mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1297 if (does_file_exist(config_file)) {
1298 mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
1299 paranoid_system(command);
1300 mr_free(command);
1301 }
1302 mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1303 paranoid_system(command);
1304 mr_free(command);
1305
1306 mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
1307 paranoid_system(command);
1308 mr_free(command);
1309 unlink(tempfile);
1310 mr_free(tempfile);
1311 return (0);
1312}
1313
1314
1315/**
1316 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1317 * information to the logfile.
1318 */
1319void standard_log_debug_msg(int debug_level, const char *szFile,
1320 const char *szFunction, int nLine,
1321 const char *fmt, ...)
1322{
1323 va_list args;
1324 int i;
1325 static int depth = 0;
1326 FILE *fout;
1327
1328 if (depth > 5) {
1329 depth--;
1330 return;
1331 }
1332 depth++;
1333
1334 if (debug_level <= g_loglevel) {
1335 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1336 return;
1337 } // fatal_error("Failed to openout to logfile - sheesh..."); }
1338
1339 // add tabs to distinguish log levels
1340 if (debug_level > 0) {
1341 for (i = 1; i < debug_level; i++)
1342 fprintf(fout, "\t");
1343 if (getpid() == g_main_pid)
1344 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1345 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1346 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1347 else
1348 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1349 }
1350 va_start(args, fmt);
1351 vfprintf(fout, fmt, args);
1352 va_end(args);
1353
1354 // do not slow down the progran if standard debug level
1355 // must be enabled: if no flush, the log won't be up-to-date if there
1356 // is a segfault
1357 //if (g_dwDebugLevel != 1)
1358
1359 fprintf(fout, "\n");
1360 paranoid_fclose(fout);
1361 }
1362 depth--;
1363}
1364
1365/**
1366 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1367 */
1368void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1369 ...) = standard_log_debug_msg;
1370
1371
1372/**
1373 * Allocate or free important globals, depending on @p mal.
1374 * @param mal If TRUE, malloc; if FALSE, free.
1375 */
1376void do_libmondo_global_strings_thing(int mal)
1377{
1378 if (mal) {
1379 malloc_string(g_boot_mountpt);
1380 malloc_string(g_mondo_home);
1381 malloc_string(g_magicdev_command);
1382 } else {
1383 paranoid_free(g_boot_mountpt);
1384 paranoid_free(g_mondo_home);
1385 paranoid_free(g_magicdev_command);
1386
1387 mr_free(g_serial_string);
1388 }
1389}
1390
1391/**
1392 * Allocate important globals.
1393 * @see do_libmondo_global_strings_thing
1394 */
1395void malloc_libmondo_global_strings(void)
1396{
1397 do_libmondo_global_strings_thing(1);
1398}
1399
1400/**
1401 * Free important globals.
1402 * @see do_libmondo_global_strings_thing
1403 */
1404void free_libmondo_global_strings(void)
1405{
1406 do_libmondo_global_strings_thing(0);
1407}
1408
1409
1410
1411/**
1412 * Stop @c magicdev if it's running.
1413 * The command used to start it is saved in @p g_magicdev_command.
1414 */
1415void stop_magicdev_if_necessary()
1416{
1417 strcpy(g_magicdev_command,
1418 call_program_and_get_last_line_of_output
1419 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1420 if (g_magicdev_command[0]) {
1421 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1422 paranoid_system("killall magicdev");
1423 }
1424}
1425
1426
1427/**
1428 * Restart magicdev if it was stopped.
1429 */
1430void restart_magicdev_if_necessary()
1431{
1432 char *tmp = NULL;
1433
1434 if (g_magicdev_command && g_magicdev_command[0]) {
1435 mr_asprintf(&tmp, "%s &", g_magicdev_command);
1436 paranoid_system(tmp);
1437 mr_free(tmp);
1438 }
1439}
1440
1441/* @} - end of utilityGroup */
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