source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-tools.c@ 2211

Last change on this file since 2211 was 2211, checked in by Bruno Cornec, 15 years ago

r3089@localhost: bruno | 2009-05-18 06:41:05 +0200

  • move call to asprintf to call to mr_asprintf (suppress a compiler warning)
  • remove all the most obvious bad call to strcat and replace by mr_strcat as appropriate
  • Property svn:keywords set to Id
File size: 39.6 KB
Line 
1/*
2 $Id: libmondo-tools.c 2211 2009-06-03 17:10:19Z 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 2211 2009-06-03 17:10:19Z bruno $";
30
31extern int g_tape_buffer_size_MB;
32extern char *g_serial_string;
33extern bool g_text_mode;
34extern int g_currentY;
35extern int g_current_media_number;
36extern char *MONDO_LOGFILE;
37
38/* Reference to global bkpinfo */
39extern struct s_bkpinfo *bkpinfo;
40
41/**
42 * @addtogroup globalGroup
43 * @{
44 */
45bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
46 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
47bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
48double g_kernel_version;
49
50/**
51 * The place where /boot is mounted.
52 */
53char *g_boot_mountpt = NULL;
54
55/**
56 * The location of Mondo's home directory.
57 */
58char *g_mondo_home = NULL;
59
60/**
61 * The serial string (used to differentiate between backups) of the current backup.
62 */
63char *g_serial_string = NULL;
64
65/**
66 * The location where tmpfs is mounted, or "" if it's not mounted.
67char *g_tmpfs_mountpt = NULL;
68 */
69char *g_magicdev_command = NULL;
70
71/**
72 * The default maximum level to log messages at or below.
73 */
74int g_loglevel = DEFAULT_DEBUG_LEVEL;
75
76/* @} - end of globalGroup */
77
78
79extern pid_t g_buffer_pid;
80extern pid_t g_main_pid;
81
82extern t_bkptype g_backup_media_type;
83
84extern bool am_I_in_disaster_recovery_mode(void);
85
86/* Return a string containing the date */
87char *mr_date(void) {
88
89 time_t tcurr;
90
91 tcurr = time(NULL);
92 return(ctime(&tcurr));
93}
94
95/*-----------------------------------------------------------*/
96
97
98/**
99 * @addtogroup utilityGroup
100 * @{
101 */
102/**
103 * Assertion handler. Prints a friendly message to the user,
104 * offering to ignore all, dump core, break to debugger,
105 * exit, or ignore. Intended to be used with an assert() macro.
106 *
107 * @param file The file in which the assertion triggered.
108 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
109 * @param line The line number of the assert() statement.
110 * @param exp The expression that failed (as a string).
111 */
112void _mondo_assert_fail(const char *file,
113 const char *function, int line, const char *exp)
114{
115 static int ignoring_assertions = 0;
116 bool is_valid = TRUE;
117
118 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
119 function);
120 if (ignoring_assertions) {
121 log_it("Well, the user doesn't care...");
122 return;
123 }
124#ifndef _XWIN
125 if (!g_text_mode)
126 newtSuspend();
127#endif
128 printf("ASSERTION FAILED: `%s'\n", exp);
129 printf("\tat %s:%d in %s\n\n", file, line, function);
130 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
131 do {
132 is_valid = TRUE;
133 switch (toupper(getchar())) {
134 case 'A': // ignore (A)ll
135 ignoring_assertions = 1;
136 break;
137 case 'B': // a(B)ort
138 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
139 raise(SIGABRT);
140 break; /* "can't get here" */
141 case 'D': // (D)ebug, aka asm("int 3")
142#ifdef __IA32__
143 __asm__ __volatile__("int $3"); // break to debugger
144#endif
145 break;
146 case 'E': // (E)xit
147 fatal_error("Failed assertion -- see above for details");
148 break; /* "can't get here" */
149 case 'I': // (I)gnore
150 break;
151 /* These next two work as follows:
152 the `default' catches the user's invalid choice and says so;
153 the '\n' catches the newline on the end and prints the prompt again.
154 */
155 case '\n':
156 printf
157 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
158 break;
159 default:
160 is_valid = FALSE;
161 printf("Invalid choice.\n");
162 break;
163 }
164 } while (!is_valid);
165
166 if (ignoring_assertions) {
167 log_it("Ignoring ALL assertions from now on.");
168 } else {
169 log_it("Ignoring assertion: %s", exp);
170 }
171
172 getchar(); // skip \n
173
174#ifndef _XWIN
175 if (!g_text_mode)
176 newtResume();
177#endif
178}
179
180/**
181 * Clean's up users' KDE desktops.
182 * @bug Details about this function are unknown.
183 */
184void clean_up_KDE_desktop_if_necessary(void)
185{
186 char *tmp;
187
188 malloc_string(tmp);
189 strcpy(tmp,
190 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
191file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
192awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
193else { print $0;};}' $file.old > $file ; fi ; done");
194 run_program_and_log_output(tmp, 5);
195 paranoid_free(tmp);
196}
197
198
199/**
200 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
201 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
202 *
203 * @param home_sz String to store the home directory ("" if it could not be found).
204 * @return 0 for success, nonzero for failure.
205 */
206int find_and_store_mondoarchives_home(char *home_sz)
207{
208 assert(home_sz != NULL);
209 strcpy(home_sz, MONDO_SHARE);
210 return (0);
211}
212
213
214char *get_architecture(void) {
215#ifdef __IA32__
216# ifdef __X86_64__
217 return ("x86_64");
218# else
219 return ("i386");
220# endif
221#endif
222#ifdef __IA64__
223 return ("ia64");
224#endif
225 return ("unknown");
226}
227
228
229char *get_uname_m(void) {
230
231 struct utsname utsn;
232 char *tmp = NULL;
233
234 uname(&utsn);
235 mr_asprintf(&tmp, "%s", utsn.machine);
236 return (tmp);
237}
238
239
240
241double get_kernel_version(void)
242{
243 char *p, tmp[200];
244 double d;
245#ifdef __FreeBSD__
246 // JOSH - FIXME :)
247 d = 5.2; // :-)
248#else
249 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
250 p = strchr(tmp, '.');
251 if (p) {
252 p = strchr(++p, '.');
253 if (p) {
254 while (*p) {
255 *p = *(p + 1);
256 p++;
257 }
258 }
259 }
260// log_msg(1, "tmp = '%s'", tmp);
261 d = atof(tmp);
262#endif
263 log_msg(1, "g_kernel_version = %f", d);
264 return (d);
265}
266
267
268
269
270
271/**
272 * Get the current time.
273 * @return number of seconds since the epoch.
274 */
275long get_time()
276{
277 return (long) time((void *) 0);
278}
279
280
281
282
283
284
285
286/**
287 * Initialize a RAID volume structure, setting fields to zero. The
288 * actual hard drive is unaffected.
289 *
290 * @param raidrec The RAID volume structure to initialize.
291 * @note This function is system dependent.
292 */
293#ifdef __FreeBSD__
294void initialize_raidrec(struct vinum_volume *raidrec)
295{
296 int i, j;
297 raidrec->volname[0] = '\0';
298 raidrec->plexes = 0;
299 for (i = 0; i < 9; ++i) {
300 raidrec->plex[i].raidlevel = -1;
301 raidrec->plex[i].stripesize = 0;
302 raidrec->plex[i].subdisks = 0;
303 for (j = 0; j < 9; ++j) {
304 strcpy(raidrec->plex[i].sd[j].which_device, "");
305 }
306 }
307}
308#else
309void initialize_raidrec(struct raid_device_record *raidrec)
310{
311 assert(raidrec != NULL);
312 raidrec->raid_device[0] = '\0';
313 raidrec->raid_level = -9;
314 raidrec->persistent_superblock = 1;
315 raidrec->chunk_size = 64;
316 raidrec->parity = -1;
317 raidrec->data_disks.entries = 0;
318 raidrec->spare_disks.entries = 0;
319 raidrec->parity_disks.entries = 0;
320 raidrec->failed_disks.entries = 0;
321 raidrec->additional_vars.entries = 0;
322}
323#endif
324
325
326
327
328/**
329 * Insert modules that Mondo requires.
330 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
331 * @c msdosfs and @c ext2fs for FreeBSD.
332 */
333void insmod_crucial_modules(void)
334{
335#ifdef __FreeBSD__
336 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
337 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
338#else
339 system("modprobe -a msdos vfat loop &> /dev/null");
340#endif
341}
342
343
344/**
345 * Log a trace message to the trace file.
346 * @bug This function seems orphaned. Please remove.
347 */
348void log_trace(char *o)
349{
350 /*@ pointers **************************************************** */
351 FILE *fout;
352
353 /*@ buffers ***************************************************** */
354 char output[MAX_STR_LEN];
355
356 /*@ int ****************************************************** */
357 int i;
358
359 /*@ end vars *************************************************** */
360
361 if (o[0] == '\0') {
362 return;
363 }
364 strcpy(output, o);
365 i = (int) strlen(output);
366 if (i <= 0) {
367 return;
368 }
369 if (output[i - 1] < 32) {
370 output[i - 1] = '\0';
371 }
372 if (g_text_mode
373 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
374 printf("%s\n", output);
375 }
376
377 fout = fopen(MONDO_TRACEFILE, "a");
378 if (fout) {
379 fprintf(fout, "%s\n", output);
380 paranoid_fclose(fout);
381 } else {
382 log_OS_error("Cannot write to tracefile");
383 }
384}
385
386
387
388
389
390/**
391 * Finish configuring the backup information structure. Call this function
392 * to set the parameters that depend on those that can be given on the command
393 * line.
394 *
395 * @param bkpinfo The backup information structure. Fields modified/used:
396 * - Used: @c bkpinfo->backup_data
397 * - Used: @c bkpinfo->backup_media_type
398 * - Used: @c bkpinfo->cdrw_speed
399 * - Used: @c bkpinfo->compression_level
400 * - Used: @c bkpinfo->include_paths
401 * - Used: @c bkpinfo->prefix
402 * - Used: @c bkpinfo->isodir
403 * - Used: @c bkpinfo->manual_cd_tray
404 * - Used: @c bkpinfo->make_cd_use_lilo
405 * - Used: @c bkpinfo->media_device
406 * - Used: @c bkpinfo->nfs_mount
407 * - Used: @c bkpinfo->nonbootable_backup
408 * - Used: @c bkpinfo->scratchdir
409 * - Used: @c bkpinfo->tmpdir
410 * - Used: @c bkpinfo->use_lzo
411 * - Modified: @c bkpinfo->call_before_iso
412 * - Modified: @c bkpinfo->call_make_iso
413 * - Modified: @c bkpinfo->optimal_set_size
414 * - Modified: @c bkpinfo->zip_exe
415 * - Modified: @c bkpinfo->zip_suffix
416 *
417 * @return number of errors, or 0 for success.
418 * @note Also creates directories that are specified in the @c bkpinfo structure but
419 * do not exist.
420 */
421int post_param_configuration()
422{
423 char *extra_cdrom_params = NULL;
424 char *mondo_mkisofs_sz = NULL;
425 char *command;
426 char *mtpt;
427 char *hostname;
428 char *ip_address = NULL;
429 int retval = 0;
430 char *colon;
431 char *cdr_exe;
432 char *tmp;
433 char call_before_iso_user[MAX_STR_LEN] = "\0";
434 /*
435 long avm = 0;
436 int rdsiz_MB;
437 */
438 char *iso_dev;
439 char *iso_mnt;
440 char *iso_tmp;
441 char *iso_path;
442
443 assert(bkpinfo != NULL);
444 malloc_string(command);
445 malloc_string(mtpt);
446 malloc_string(hostname);
447 malloc_string(cdr_exe);
448 malloc_string(tmp);
449 malloc_string(iso_dev);
450 malloc_string(iso_mnt);
451 malloc_string(iso_tmp);
452 malloc_string(iso_path);
453 bkpinfo->optimal_set_size =
454 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
455 1024;
456
457 log_msg(1, "Foo");
458 if (bkpinfo->backup_media_type == tape) {
459 log_msg(1, "Bar");
460 sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
461 log_msg(1, "tmp = '%s'", tmp);
462 if (run_program_and_log_output(tmp, 3)) {
463 fatal_error
464 ("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.");
465 }
466 }
467 make_hole_for_dir(bkpinfo->scratchdir);
468 if (bkpinfo->backup_media_type == iso)
469 make_hole_for_dir(bkpinfo->isodir);
470
471 run_program_and_log_output("uname -a", 5);
472 run_program_and_log_output("cat /etc/*-release", 5);
473 run_program_and_log_output("cat /etc/*issue*", 5);
474#ifdef __FreeBSD__
475#else
476 run_program_and_log_output("cat /proc/cpuinfo", 5);
477 run_program_and_log_output
478 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
479 5);
480#endif
481
482 if (bkpinfo->use_lzo) {
483 strcpy(bkpinfo->zip_exe, "lzop");
484 strcpy(bkpinfo->zip_suffix, "lzo");
485 } else if (bkpinfo->use_gzip) {
486 strcpy(bkpinfo->zip_exe, "gzip");
487 strcpy(bkpinfo->zip_suffix, "gz");
488 } else if (bkpinfo->compression_level != 0) {
489 strcpy(bkpinfo->zip_exe, "bzip2");
490 strcpy(bkpinfo->zip_suffix, "bz2");
491 } else {
492 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
493 }
494
495// DVD
496
497 if (bkpinfo->backup_media_type == dvd) {
498 if (find_home_of_exe("growisofs")) {
499 strcpy(cdr_exe, "growisofs");
500 } // unlikely to be used
501 else {
502 fatal_error("Please install growisofs.");
503 }
504 if (bkpinfo->nonbootable_backup) {
505 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
506 } else if
507#ifdef __FreeBSD__
508 (TRUE)
509#else
510 (bkpinfo->make_cd_use_lilo)
511#endif
512#ifdef __IA64__
513 {
514 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
515 }
516#else
517 {
518 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
519 }
520#endif
521 else
522 {
523 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
524 }
525 if (bkpinfo->manual_cd_tray) {
526 paranoid_free(mondo_mkisofs_sz);
527 fatal_error("Manual CD tray + DVD not supported yet.");
528 // -m isn't supported by growisofs, BTW...
529 } else {
530 sprintf(bkpinfo->call_make_iso,
531 "%s %s -Z %s . 2>> _ERR_",
532 mondo_mkisofs_sz,
533 "", bkpinfo->media_device);
534 paranoid_free(mondo_mkisofs_sz);
535 }
536 if (getenv ("SUDO_COMMAND")) {
537 sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
538 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
539 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
540 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
541 }
542 }
543 log_msg(2, "call_make_iso (DVD res) is ... %s",
544 bkpinfo->call_make_iso);
545 } // end of DVD code
546
547// CD-R or CD-RW
548 if (bkpinfo->backup_media_type == cdrw
549 || bkpinfo->backup_media_type == cdr) {
550 if (!bkpinfo->manual_cd_tray) {
551 mr_asprintf(&extra_cdrom_params, "-waiti ");
552 }
553 if (bkpinfo->backup_media_type == cdrw) {
554 mr_asprintf(&extra_cdrom_params, "blank=fast ");
555 }
556 if (find_home_of_exe("cdrecord")) {
557 strcpy(cdr_exe, "cdrecord");
558 } else if (find_home_of_exe("dvdrecord")) {
559 strcpy(cdr_exe, "dvdrecord");
560 } else {
561 fatal_error("Please install either cdrecord or dvdrecord.");
562 }
563 if (bkpinfo->nonbootable_backup) {
564 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
565 } else if
566#ifdef __FreeBSD__
567 (TRUE)
568#else
569 (bkpinfo->make_cd_use_lilo)
570#endif
571#ifdef __IA64__
572 {
573 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
574 }
575#else
576 {
577 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
578 }
579#endif
580 else
581 {
582 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
583 }
584 if (bkpinfo->manual_cd_tray) {
585 if (bkpinfo->call_before_iso[0] == '\0') {
586 sprintf(bkpinfo->call_before_iso,
587 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
588 mondo_mkisofs_sz, bkpinfo->tmpdir);
589 } else {
590 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
591 sprintf (bkpinfo->call_before_iso,
592 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
593 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
594 }
595 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
596 sprintf(bkpinfo->call_make_iso,
597 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
598 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
599 extra_cdrom_params, bkpinfo->media_device,
600 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
601 } else {
602 sprintf(bkpinfo->call_make_iso,
603 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
604 mondo_mkisofs_sz, cdr_exe,
605 (bkpinfo->please_dont_eject) ? " " : "-eject",
606 extra_cdrom_params, bkpinfo->media_device,
607 bkpinfo->cdrw_speed);
608 }
609 paranoid_free(mondo_mkisofs_sz);
610 paranoid_free(extra_cdrom_params);
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 mr_asprintf(&ip_address, inet_ntoa
696 ((struct in_addr)
697 *((struct in_addr *) hent->h_addr)));
698 mr_strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
699 strcpy(bkpinfo->nfs_mount, ip_address);
700 paranoid_free(ip_address);
701 }
702 }
703 store_nfs_config();
704 }
705
706 log_it("Finished processing incoming params");
707 if (retval) {
708 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
709 }
710 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
711 log_it("tmpdir or scratchdir are blank/missing");
712 retval++;
713 }
714 if (bkpinfo->include_paths[0] == '\0') {
715 // fatal_error ("Why no backup path?");
716 strcpy(bkpinfo->include_paths, "/");
717 }
718 chmod(bkpinfo->scratchdir, 0700);
719 g_backup_media_type = bkpinfo->backup_media_type;
720 paranoid_free(mtpt);
721 paranoid_free(command);
722 paranoid_free(hostname);
723 paranoid_free(cdr_exe);
724 paranoid_free(tmp);
725 paranoid_free(iso_dev);
726 paranoid_free(iso_mnt);
727 paranoid_free(iso_tmp);
728 paranoid_free(iso_path);
729 return (retval);
730}
731
732
733
734/**
735 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
736 * Seeds the random-number generator, loads important modules, checks the sanity
737 * of the user's Linux distribution, and deletes logfile.
738 * @param bkpinfo The backup information structure. Will be initialized.
739 * @return number of errors (0 for success)
740 */
741int pre_param_configuration()
742{
743 int res = 0;
744 char *tmp = NULL;
745
746 make_hole_for_dir(MNT_CDROM);
747 assert(bkpinfo != NULL);
748 srandom((unsigned long) (time(NULL)));
749 insmod_crucial_modules();
750 if (bkpinfo->disaster_recovery) {
751 if (!does_nonMS_partition_exist()) {
752 fatal_error
753 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
754 }
755 }
756
757 unlink(MONDO_TRACEFILE);
758 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
759 run_program_and_log_output(tmp, FALSE);
760 paranoid_free(tmp);
761 if (find_and_store_mondoarchives_home(g_mondo_home)) {
762 fprintf(stderr,
763 "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");
764 res++;
765 return (res);
766 }
767 res += some_basic_system_sanity_checks();
768 if (res) {
769 log_it("Your distribution did not pass Mondo's sanity test.");
770 }
771 g_current_media_number = 1;
772 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
773 return (res);
774}
775
776void setup_tmpdir(char *path) {
777
778 char *tmp = NULL;
779 char *p = NULL;
780
781 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
782 /* purging a potential old tmpdir */
783 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
784 system(tmp);
785 paranoid_free(tmp);
786 }
787
788 if (path != NULL) {
789 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
790 } else if (getenv("TMPDIR")) {
791 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
792 } else if (getenv("TMP")) {
793 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
794 } else {
795 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
796 }
797 p = mkdtemp(tmp);
798 if (p == NULL) {
799 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
800 finish(-1);
801 }
802 strcpy(bkpinfo->tmpdir,p);
803 paranoid_free(tmp);
804}
805
806
807/**
808 * Reset all fields of the backup information structure to a sensible default.
809 * @param bkpinfo The @c bkpinfo to reset.
810 */
811void reset_bkpinfo()
812{
813 int i;
814
815 log_msg(1, "Hi");
816 assert(bkpinfo != NULL);
817 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
818
819 bkpinfo->media_device[0] = '\0';
820 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
821 bkpinfo->media_size[i] = -1;
822 }
823 bkpinfo->boot_loader = '\0';
824 bkpinfo->boot_device[0] = '\0';
825 bkpinfo->zip_exe[0] = '\0';
826 bkpinfo->zip_suffix[0] = '\0';
827 bkpinfo->image_devs[0] = '\0';
828 bkpinfo->compression_level = 3;
829 bkpinfo->use_lzo = FALSE;
830 bkpinfo->use_gzip = FALSE;
831 bkpinfo->do_not_compress_these[0] = '\0';
832 bkpinfo->verify_data = FALSE;
833 bkpinfo->backup_data = FALSE;
834 bkpinfo->restore_data = FALSE;
835 bkpinfo->use_star = FALSE;
836 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
837 bkpinfo->disaster_recovery =
838 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
839 if (bkpinfo->disaster_recovery) {
840 strcpy(bkpinfo->isodir, "/");
841 } else {
842 strcpy(bkpinfo->isodir, MONDO_CACHE);
843 }
844 strcpy(bkpinfo->prefix, STD_PREFIX);
845 sensibly_set_tmpdir_and_scratchdir();
846
847 bkpinfo->optimal_set_size = 0;
848 strcpy(bkpinfo->include_paths, "/");
849 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
850 bkpinfo->include_paths[0] = '\0';
851 bkpinfo->exclude_paths[0] = '\0';
852 bkpinfo->restore_path[0] = '\0';
853 bkpinfo->call_before_iso[0] = '\0';
854 bkpinfo->call_make_iso[0] = '\0';
855 bkpinfo->call_burn_iso[0] = '\0';
856 bkpinfo->call_after_iso[0] = '\0';
857 bkpinfo->kernel_path[0] = '\0';
858 bkpinfo->nfs_mount[0] = '\0';
859 bkpinfo->nfs_remote_dir[0] = '\0';
860 bkpinfo->postnuke_tarball[0] = '\0';
861 bkpinfo->wipe_media_first = FALSE;
862 bkpinfo->differential = 0;
863 bkpinfo->please_dont_eject = FALSE;
864 bkpinfo->cdrw_speed = 0;
865 bkpinfo->manual_cd_tray = FALSE;
866 bkpinfo->nonbootable_backup = FALSE;
867 bkpinfo->make_cd_use_lilo = FALSE;
868 bkpinfo->use_obdr = FALSE;
869 bkpinfo->restore_mode = interactive;
870}
871
872
873
874
875/**
876 * Get the remaining free space (in MB) on @p partition.
877 * @param partition The partition to check free space on (either a device or a mountpoint).
878 * @return The free space on @p partition, in MB.
879 */
880long free_space_on_given_partition(char *partition)
881{
882 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
883 long res;
884
885 assert_string_is_neither_NULL_nor_zerolength(partition);
886
887 sprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
888 if (system(command)) {
889 return (-1);
890 } // partition does not exist
891 sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
892 partition);
893 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
894 if (strlen(out_sz) == 0) {
895 return (-1);
896 } // error within df, probably
897 res = atol(out_sz);
898 return (res);
899}
900
901
902
903/**
904 * Check the user's system for sanity. Checks performed:
905 * - make sure user has enough RAM (32mb required, 64mb recommended)
906 * - make sure user has enough free space in @c /
907 * - check kernel for ramdisk support
908 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
909 * - make sure CD-ROM is unmounted
910 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
911 *
912 * @return number of problems with the user's setup (0 for success)
913 */
914int some_basic_system_sanity_checks()
915{
916
917 /*@ buffers ************ */
918 char tmp[MAX_STR_LEN];
919 // char command[MAX_STR_LEN];
920
921 /*@ int's *************** */
922 int retval = 0;
923
924 mvaddstr_and_log_it(g_currentY, 0,
925 "Checking sanity of your Linux distribution");
926#ifndef __FreeBSD__
927 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
928 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
929 log_it
930 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
931 run_program_and_log_output
932 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
933 }
934 strcpy(tmp,
935 call_program_and_get_last_line_of_output
936 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
937 if (atol(tmp) < 35000) {
938 retval++;
939 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
940 }
941 if (atol(tmp) < 66000) {
942 log_to_screen
943 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
944 }
945#endif
946
947 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
948 retval++;
949 log_to_screen
950 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
951 fatal_error
952 ("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. :)");
953 }
954#ifndef __FreeBSD__
955 if (run_program_and_log_output
956 ("grep ramdisk /proc/devices", FALSE)) {
957 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
958 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
959 if (run_program_and_log_output
960 ("grep ramdisk /proc/devices", FALSE)) {
961 if (!ask_me_yes_or_no
962 ("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?"))
963 {
964 // retval++;
965 log_to_screen
966 ("It looks as if your kernel lacks ramdisk and initrd support.");
967 log_to_screen
968 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
969 }
970 }
971 }
972#endif
973 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
974 retval += whine_if_not_found("mkisofs");
975 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
976 retval += whine_if_not_found("cdrecord");
977 }
978 retval += whine_if_not_found("bzip2");
979 retval += whine_if_not_found("gzip");
980 retval += whine_if_not_found("awk");
981 retval += whine_if_not_found("md5sum");
982 retval += whine_if_not_found("strings");
983 retval += whine_if_not_found("mindi");
984 retval += whine_if_not_found("buffer");
985
986 // abort if Windows partition but no ms-sys and parted
987 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
988 log_to_screen("I think you have a Windows 9x partition.");
989 retval += whine_if_not_found("parted");
990 }
991
992 if (!find_home_of_exe("cmp")) {
993 if (!find_home_of_exe("true")) {
994 whine_if_not_found("cmp");
995 } else {
996 log_to_screen
997 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
998 if (run_program_and_log_output
999 ("cp -f `which true` /usr/bin/cmp", 0)) {
1000 fatal_error("Failed to create dummy 'cmp' file.");
1001 }
1002 }
1003 }
1004 run_program_and_log_output
1005 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
1006 strcpy(tmp,
1007 call_program_and_get_last_line_of_output
1008 ("mount | grep -E \"cdr(om|w)\""));
1009 if (strcmp("", tmp)) {
1010 if (strstr(tmp, "autofs")) {
1011 log_to_screen
1012 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
1013 log_to_screen
1014 ("if a CD actually is inserted. If a CD is inserted, please");
1015 log_to_screen("eject it. Thank you.");
1016 log_it
1017 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1018 } else
1019 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1020 retval++;
1021 fatal_error
1022 ("Your CD-ROM drive is mounted. Please unmount it.");
1023 }
1024 }
1025
1026 run_program_and_log_output("cat /etc/fstab", 5);
1027#ifdef __FreeBSD__
1028 run_program_and_log_output("vinum printconfig", 5);
1029#else
1030 run_program_and_log_output("cat /etc/raidtab", 5);
1031#endif
1032
1033 if (run_program_and_log_output("mindi -V", 1)) {
1034 log_to_screen("Could not ascertain mindi's version number.");
1035 log_to_screen
1036 ("You have not installed Mondo and/or Mindi properly.");
1037 log_to_screen("Please uninstall and reinstall them both.");
1038 fatal_error("Please reinstall Mondo and Mindi.");
1039 }
1040 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1041 if (run_program_and_log_output(tmp, 5)) {
1042 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1043 log_to_screen(tmp);
1044 log_to_screen
1045 ("Please run that command by hand and examine /var/log/mindi.log");
1046 log_to_screen
1047 ("for more information. Perhaps your /etc/fstab file is insane.");
1048 log_to_screen
1049 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1050 retval++;
1051 }
1052
1053 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1054 && !does_file_exist("/etc/raidtab")) {
1055 log_to_screen
1056 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1057 create_raidtab_from_mdstat("/etc/raidtab");
1058 }
1059
1060 if (retval) {
1061 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1062 } else {
1063 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1064 }
1065 return (retval);
1066}
1067
1068/**
1069 * Retrieve the line containing @p label from the config file.
1070 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1071 * @param label What to read from the file.
1072 * @param value Where to put it.
1073 * @return 0 for success, 1 for failure.
1074 */
1075int read_cfg_var(char *config_file, char *label, char *value)
1076{
1077 /*@ buffer ****************************************************** */
1078 char command[MAX_STR_LEN * 2];
1079 char tmp[MAX_STR_LEN];
1080
1081 /*@ end vars *************************************************** */
1082
1083 assert_string_is_neither_NULL_nor_zerolength(config_file);
1084 assert_string_is_neither_NULL_nor_zerolength(label);
1085 if (!does_file_exist(config_file)) {
1086 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1087 config_file);
1088 log_to_screen(tmp);
1089 value[0] = '\0';
1090 return (1);
1091 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1092 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1093 return (0);
1094 } else {
1095 sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1096 label, config_file);
1097 strcpy(value, call_program_and_get_last_line_of_output(command));
1098 if (strlen(value) == 0) {
1099 return (1);
1100 } else {
1101 return (0);
1102 }
1103 }
1104}
1105
1106
1107
1108/**
1109 * Remount @c supermount if it was unmounted earlier.
1110 */
1111void remount_supermounts_if_necessary()
1112{
1113 if (g_remount_cdrom_at_end) {
1114 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1115 }
1116 if (g_remount_floppy_at_end) {
1117 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1118 }
1119}
1120
1121/**
1122 * Unmount @c supermount if it's mounted.
1123 */
1124void unmount_supermounts_if_necessary()
1125{
1126 if (run_program_and_log_output
1127 ("mount | grep cdrom | grep super", FALSE) == 0) {
1128 g_remount_cdrom_at_end = TRUE;
1129 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1130 }
1131 if (run_program_and_log_output
1132 ("mount | grep floppy | grep super", FALSE) == 0) {
1133 g_remount_floppy_at_end = TRUE;
1134 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1135 }
1136}
1137
1138/**
1139 * Whether we had to stop autofs (if so, restart it at end).
1140 */
1141bool g_autofs_stopped = FALSE;
1142
1143/**
1144 * Path to the autofs initscript ("" if none exists).
1145 */
1146char g_autofs_exe[MAX_STR_LEN];
1147
1148/**
1149 * Autofs initscript in Xandros Linux distribution.
1150 */
1151#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1152
1153/**
1154 * Autofs initscript in most Linux distributions.
1155 */
1156#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1157
1158/**
1159 * If autofs is mounted, stop it (restart at end).
1160 */
1161void stop_autofs_if_necessary()
1162{
1163 char tmp[MAX_STR_LEN];
1164
1165 g_autofs_exe[0] = '\0';
1166 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1167 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1168 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1169 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1170 }
1171
1172 if (!g_autofs_exe[0]) {
1173 log_msg(3, "No autofs detected.");
1174 } else {
1175 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1176// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1177 sprintf(tmp, "%s stop", g_autofs_exe);
1178 if (run_program_and_log_output(tmp, 2)) {
1179 log_it("Failed to stop autofs - I assume it wasn't running");
1180 } else {
1181 g_autofs_stopped = TRUE;
1182 log_it("Stopped autofs OK");
1183 }
1184 }
1185}
1186
1187/**
1188 * If autofs was stopped earlier, restart it.
1189 */
1190void restart_autofs_if_necessary()
1191{
1192 char tmp[MAX_STR_LEN];
1193
1194 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1195 log_msg(3, "No autofs detected.");
1196 return;
1197 }
1198 sprintf(tmp, "%s start", g_autofs_exe);
1199 if (run_program_and_log_output(tmp, 2)) {
1200 log_it("Failed to start autofs");
1201 } else {
1202 g_autofs_stopped = FALSE;
1203 log_it("Started autofs OK");
1204 }
1205}
1206
1207
1208/**
1209 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1210 */
1211void mount_boot_if_necessary()
1212{
1213 char tmp[MAX_STR_LEN];
1214 char command[MAX_STR_LEN];
1215
1216 log_msg(1, "Started sub");
1217 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1218 g_boot_mountpt[0] = '\0';
1219 log_msg(4, "Done. Great. Seeting command to something");
1220 strcpy(command,
1221 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1222 log_msg(4, "Cool. Command = '%s'", command);
1223 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1224 log_msg(4, "tmp = '%s'", tmp);
1225 if (tmp[0]) {
1226 log_it("/boot is at %s according to /etc/fstab", tmp);
1227 strcpy(command, "mount | grep -Ew '/boot'");
1228 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1229 if (!strcmp(tmp,"")) {
1230 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1231 if (!run_program_and_log_output("mount /boot", 5)) {
1232 strcpy(g_boot_mountpt, "/boot");
1233 log_msg(1, "Mounted /boot");
1234 } else {
1235 log_it("...ignored cos it's a label or uuid :-)");
1236 }
1237 } else {
1238 sprintf(command, "mount | grep -E '^%s'", tmp);
1239 log_msg(3, "command = %s", command);
1240 if (run_program_and_log_output(command, 5)) {
1241 strcpy(g_boot_mountpt, tmp);
1242 sprintf(tmp,
1243 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1244 g_boot_mountpt);
1245 log_it(tmp);
1246 sprintf(tmp, "mount %s", g_boot_mountpt);
1247 if (run_program_and_log_output(tmp, 5)) {
1248 g_boot_mountpt[0] = '\0';
1249 log_msg(1, "Plan B");
1250 if (!run_program_and_log_output("mount /boot", 5)) {
1251 strcpy(g_boot_mountpt, "/boot");
1252 log_msg(1, "Plan B worked");
1253 } else {
1254 log_msg(1,
1255 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1256 }
1257 }
1258 }
1259 }
1260 }
1261 }
1262 log_msg(1, "Ended sub");
1263}
1264
1265
1266/**
1267 * If we mounted /boot earlier, unmount it.
1268 */
1269void unmount_boot_if_necessary()
1270{
1271 char tmp[MAX_STR_LEN];
1272
1273 log_msg(3, "starting");
1274 if (g_boot_mountpt[0]) {
1275 sprintf(tmp, "umount %s", g_boot_mountpt);
1276 if (run_program_and_log_output(tmp, 5)) {
1277 log_it("WARNING - unable to unmount /boot");
1278 }
1279 }
1280 log_msg(3, "leaving");
1281}
1282
1283
1284
1285/**
1286 * Write a line to a configuration file. Writes a line of the form,
1287 * @c label @c value.
1288 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1289 * @param label What to call this bit of data you're writing.
1290 * @param value The bit of data you're writing.
1291 * @return 0 for success, 1 for failure.
1292 */
1293int write_cfg_var(char *config_file, char *label, char *value)
1294{
1295 /*@ buffers ***************************************************** */
1296 char command[MAX_STR_LEN * 2];
1297 char tempfile[MAX_STR_LEN];
1298 char tmp[MAX_STR_LEN];
1299
1300
1301 /*@ end vars *************************************************** */
1302 assert_string_is_neither_NULL_nor_zerolength(config_file);
1303 assert_string_is_neither_NULL_nor_zerolength(label);
1304 assert(value != NULL);
1305 if (!does_file_exist(config_file)) {
1306 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1307 config_file);
1308 log_to_screen(tmp);
1309 return (1);
1310 }
1311 sprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1312 if (does_file_exist(config_file)) {
1313 sprintf(command, "grep -vE '^%s .*$' %s > %s",
1314 label, config_file, tempfile);
1315 paranoid_system(command);
1316 }
1317 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1318 paranoid_system(command);
1319 sprintf(command, "mv -f %s %s", tempfile, config_file);
1320 paranoid_system(command);
1321 unlink(tempfile);
1322 return (0);
1323}
1324
1325
1326/**
1327 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1328 * information to the logfile.
1329 */
1330void standard_log_debug_msg(int debug_level, const char *szFile,
1331 const char *szFunction, int nLine,
1332 const char *fmt, ...)
1333{
1334 va_list args;
1335 int i;
1336 static int depth = 0;
1337 FILE *fout;
1338
1339 if (depth > 5) {
1340 depth--;
1341 return;
1342 }
1343 depth++;
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, nLine);
1357 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1358 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1359 else
1360 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1361 }
1362 vfprintf(fout, fmt, args);
1363
1364 // do not slow down the progran if standard debug level
1365 // must be enabled: if no flush, the log won't be up-to-date if there
1366 // is a segfault
1367 //if (g_dwDebugLevel != 1)
1368
1369 va_end(args);
1370 fprintf(fout, "\n");
1371 paranoid_fclose(fout);
1372 }
1373 depth--;
1374}
1375
1376/**
1377 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1378 */
1379void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1380 ...) = standard_log_debug_msg;
1381
1382
1383/**
1384 * If @p y, malloc @p x, else free @p x.
1385 * @bug This function seems orphaned. Please remove.
1386 */
1387#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1388
1389/**
1390 * Allocate or free important globals, depending on @p mal.
1391 * @param mal If TRUE, malloc; if FALSE, free.
1392 */
1393void do_libmondo_global_strings_thing(int mal)
1394{
1395 if (mal) {
1396 malloc_string(g_boot_mountpt);
1397 malloc_string(g_mondo_home);
1398 /*
1399 malloc_string(g_tmpfs_mountpt);
1400 */
1401 malloc_string(g_serial_string);
1402 malloc_string(g_magicdev_command);
1403 } else {
1404 paranoid_free(g_boot_mountpt);
1405 paranoid_free(g_mondo_home);
1406 /*
1407 paranoid_free(g_tmpfs_mountpt);
1408 */
1409 paranoid_free(g_serial_string);
1410 paranoid_free(g_magicdev_command);
1411 }
1412
1413 /*
1414 char**list_of_arrays[] = {
1415 &g_boot_mountpt,
1416 &g_mondo_home,
1417 &g_tmpfs_mountpt,
1418 &g_serial_string,
1419 &g_magicdev_command,
1420 NULL};
1421
1422 char**ppcurr;
1423 int i;
1424
1425 for(i=0;list_of_arrays[i];i++)
1426 {
1427 log_msg(5, "Allocating %d", i);
1428 ppcurr = list_of_arrays[i];
1429 if (mal)
1430 { *ppcurr = malloc(MAX_STR_LEN); }
1431 else
1432 {
1433 if (*ppcurr)
1434 {
1435 free(*ppcurr);
1436 }
1437 }
1438 }
1439 log_msg(5, "Returning");
1440 */
1441}
1442
1443/**
1444 * Allocate important globals.
1445 * @see do_libmondo_global_strings_thing
1446 */
1447void malloc_libmondo_global_strings(void)
1448{
1449 do_libmondo_global_strings_thing(1);
1450}
1451
1452/**
1453 * Free important globals.
1454 * @see do_libmondo_global_strings_thing
1455 */
1456void free_libmondo_global_strings(void)
1457{
1458 do_libmondo_global_strings_thing(0);
1459}
1460
1461
1462
1463/**
1464 * Stop @c magicdev if it's running.
1465 * The command used to start it is saved in @p g_magicdev_command.
1466 */
1467void stop_magicdev_if_necessary()
1468{
1469 strcpy(g_magicdev_command,
1470 call_program_and_get_last_line_of_output
1471 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1472 if (g_magicdev_command[0]) {
1473 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1474 paranoid_system("killall magicdev");
1475 }
1476}
1477
1478
1479/**
1480 * Restart magicdev if it was stopped.
1481 */
1482void restart_magicdev_if_necessary()
1483{
1484 char *tmp;
1485
1486 malloc_string(tmp);
1487 if (g_magicdev_command && g_magicdev_command[0]) {
1488 sprintf(tmp, "%s &", g_magicdev_command);
1489 paranoid_system(tmp);
1490 }
1491 paranoid_free(tmp);
1492}
1493
1494/* @} - end of utilityGroup */
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