source: MondoRescue/branches/stable/mondo/src/common/libmondo-tools.c@ 1144

Last change on this file since 1144 was 1144, checked in by Bruno Cornec, 17 years ago

log_trace (unused) and log_trace_msg removed
  • Property svn:keywords set to Id
File size: 37.4 KB
Line 
1/* libmondo-tools.c misc tools
2 $Id: libmondo-tools.c 1144 2007-02-12 09:54:22Z 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 "mr_msg.h"
14#include "mr_file.h"
15
16#include "mondostructures.h"
17#include "libmondo-tools.h"
18#include "libmondo-gui-EXT.h"
19#include "libmondo-files-EXT.h"
20#include "libmondo-fork-EXT.h"
21#include "libmondo-raid-EXT.h"
22#include <sys/socket.h>
23#include <netdb.h>
24#include <netinet/in.h>
25#include <arpa/inet.h>
26
27/*@unused@*/
28//static char cvsid[] = "$Id: libmondo-tools.c 1144 2007-02-12 09:54:22Z bruno $";
29
30extern int g_tape_buffer_size_MB;
31extern char *g_erase_tmpdir_and_scratchdir;
32extern char *g_serial_string;
33extern bool g_text_mode;
34extern int g_currentY;
35extern int g_current_media_number;
36
37/**
38 * @addtogroup globalGroup
39 * @{
40 */
41bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
42 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
43bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
44double g_kernel_version;
45
46/**
47 * The place where /boot is mounted.
48 */
49char *g_boot_mountpt = NULL;
50
51/**
52 * The location of Mondo's home directory.
53 */
54char *g_mondo_home = NULL;
55
56/**
57 * The serial string (used to differentiate between backups) of the current backup.
58 */
59char *g_serial_string = NULL;
60
61/**
62 * The location where tmpfs is mounted, or "" if it's not mounted.
63 */
64char *g_tmpfs_mountpt = NULL;
65char *g_magicdev_command = NULL;
66
67/**
68 * The default maximum level to log messages at or below.
69 */
70int g_loglevel = DEFAULT_DEBUG_LEVEL;
71
72/* @} - end of globalGroup */
73
74
75extern pid_t g_buffer_pid;
76extern pid_t g_main_pid;
77
78extern t_bkptype g_backup_media_type;
79
80extern bool am_I_in_disaster_recovery_mode(void);
81
82
83/**
84 * @addtogroup utilityGroup
85 * @{
86 */
87/**
88 * Assertion handler. Prints a friendly message to the user,
89 * offering to ignore all, dump core, break to debugger,
90 * exit, or ignore. Intended to be used with an assert() macro.
91 *
92 * @param file The file in which the assertion triggered.
93 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
94 * @param line The line number of the assert() statement.
95 * @param exp The expression that failed (as a string).
96 */
97void _mondo_assert_fail(const char *file,
98 const char *function, int line, const char *exp)
99{
100 static int ignoring_assertions = 0;
101 bool is_valid = TRUE;
102
103 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
104 function);
105 if (ignoring_assertions) {
106 log_it("Well, the user doesn't care...");
107 return;
108 }
109#ifndef _XWIN
110 if (!g_text_mode)
111 newtSuspend();
112#endif
113 printf("ASSERTION FAILED: `%s'\n", exp);
114 printf("\tat %s:%d in %s\n\n", file, line, function);
115 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
116 do {
117 is_valid = TRUE;
118 switch (toupper(getchar())) {
119 case 'A': // ignore (A)ll
120 ignoring_assertions = 1;
121 break;
122 case 'B': // a(B)ort
123 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
124 raise(SIGABRT);
125 break; /* "can't get here" */
126 case 'D': // (D)ebug, aka asm("int 3")
127#ifdef __IA32__
128 __asm__ __volatile__("int $3"); // break to debugger
129#endif
130 break;
131 case 'E': // (E)xit
132 fatal_error("Failed assertion -- see above for details");
133 break; /* "can't get here" */
134 case 'I': // (I)gnore
135 break;
136 /* These next two work as follows:
137 the `default' catches the user's invalid choice and says so;
138 the '\n' catches the newline on the end and prints the prompt again.
139 */
140 case '\n':
141 printf
142 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
143 break;
144 default:
145 is_valid = FALSE;
146 printf("Invalid choice.\n");
147 break;
148 }
149 } while (!is_valid);
150
151 if (ignoring_assertions) {
152 log_it("Ignoring ALL assertions from now on.");
153 } else {
154 log_it("Ignoring assertion: %s", exp);
155 }
156
157 getchar(); // skip \n
158
159#ifndef _XWIN
160 if (!g_text_mode)
161 newtResume();
162#endif
163}
164
165/**
166 * Clean's up users' KDE desktops.
167 * @bug Details about this function are unknown.
168 */
169void clean_up_KDE_desktop_if_necessary(void)
170{
171 char *tmp;
172
173 malloc_string(tmp);
174 strcpy(tmp,
175 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
176file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
177awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
178else { print $0;};}' $file.old > $file ; fi ; done");
179 run_program_and_log_output(tmp, 5);
180 mr_free(tmp);
181}
182
183
184/**
185 * Locate mondoarchive's home directory. Searches in /usr/share/mondo,
186 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
187 *
188 * @param home_sz String to store the home directory ("" if it could not be found).
189 * @return 0 for success, nonzero for failure.
190 */
191int find_and_store_mondoarchives_home(char *home_sz)
192{
193 assert(home_sz != NULL);
194 strcpy(home_sz, MONDO_SHARE);
195 return (0);
196}
197
198
199char *get_architecture()
200{
201#ifdef __IA32__
202 return ("i386");
203#endif
204#ifdef __IA64__
205 return ("ia64");
206#endif
207 return ("unknown");
208}
209
210
211
212double get_kernel_version()
213{
214 char *p, tmp[200];
215 double d;
216#ifdef __FreeBSD__
217 // JOSH - FIXME :)
218 d = 5.2; // :-)
219#else
220 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
221 p = strchr(tmp, '.');
222 if (p) {
223 p = strchr(++p, '.');
224 if (p) {
225 while (*p) {
226 *p = *(p + 1);
227 p++;
228 }
229 }
230 }
231// mr_msg(1, "tmp = '%s'", tmp);
232 d = atof(tmp);
233#endif
234 mr_msg(1, "g_kernel_version = %f", d);
235 return (d);
236}
237
238
239
240
241
242/**
243 * Get the current time.
244 * @return number of seconds since the epoch.
245 */
246long get_time()
247{
248 return (long) time((void *) 0);
249}
250
251
252
253
254
255
256
257/**
258 * Initialize a RAID volume structure, setting fields to zero. The
259 * actual hard drive is unaffected.
260 *
261 * @param raidrec The RAID volume structure to initialize.
262 * @note This function is system dependent.
263 */
264#ifdef __FreeBSD__
265void initialize_raidrec(struct vinum_volume *raidrec)
266{
267 int i, j;
268 raidrec->volname[0] = '\0';
269 raidrec->plexes = 0;
270 for (i = 0; i < 9; ++i) {
271 raidrec->plex[i].raidlevel = -1;
272 raidrec->plex[i].stripesize = 0;
273 raidrec->plex[i].subdisks = 0;
274 for (j = 0; j < 9; ++j) {
275 strcpy(raidrec->plex[i].sd[j].which_device, "");
276 }
277 }
278}
279#else
280void initialize_raidrec(struct raid_device_record *raidrec)
281{
282 assert(raidrec != NULL);
283 raidrec->raid_device[0] = '\0';
284 raidrec->raid_level = -9;
285 raidrec->persistent_superblock = 1;
286 raidrec->chunk_size = 64;
287 raidrec->parity = -1;
288 raidrec->data_disks.entries = 0;
289 raidrec->spare_disks.entries = 0;
290 raidrec->parity_disks.entries = 0;
291 raidrec->failed_disks.entries = 0;
292 raidrec->additional_vars.entries = 0;
293}
294#endif
295
296
297
298
299/**
300 * Insert modules that Mondo requires.
301 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
302 * @c msdosfs and @c ext2fs for FreeBSD.
303 */
304void insmod_crucial_modules(void)
305{
306#ifdef __FreeBSD__
307 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
308 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
309#else
310 system("modprobe dos &> /dev/null");
311 system("modprobe fat &> /dev/null");
312 system("modprobe vfat &> /dev/null");
313 // system("modprobe osst &> /dev/null");
314#endif
315}
316
317
318/**
319 * Finish configuring the backup information structure. Call this function
320 * to set the parameters that depend on those that can be given on the command
321 * line.
322 *
323 * @param bkpinfo The backup information structure. Fields modified/used:
324 * - Used: @c bkpinfo->backup_data
325 * - Used: @c bkpinfo->backup_media_type
326 * - Used: @c bkpinfo->cdrw_speed
327 * - Used: @c bkpinfo->compression_level
328 * - Used: @c bkpinfo->include_paths
329 * - Used: @c bkpinfo->prefix
330 * - Used: @c bkpinfo->isodir
331 * - Used: @c bkpinfo->manual_cd_tray
332 * - Used: @c bkpinfo->make_cd_use_lilo
333 * - Used: @c bkpinfo->media_device
334 * - Used: @c bkpinfo->nfs_mount
335 * - Used: @c bkpinfo->nonbootable_backup
336 * - Used: @c bkpinfo->scratchdir
337 * - Used: @c bkpinfo->tmpdir
338 * - Used: @c bkpinfo->use_lzo
339 * - Modified: @c bkpinfo->call_before_iso
340 * - Modified: @c bkpinfo->call_make_iso
341 * - Modified: @c bkpinfo->optimal_set_size
342 * - Modified: @c bkpinfo->zip_exe
343 * - Modified: @c bkpinfo->zip_suffix
344 *
345 * @return number of errors, or 0 for success.
346 * @note Also creates directories that are specified in the @c bkpinfo structure but
347 * do not exist.
348 */
349int post_param_configuration(struct s_bkpinfo *bkpinfo)
350{
351 char *extra_cdrom_params;
352 char *mondo_mkisofs_sz;
353 char *command;
354 char *mtpt;
355 char *hostname, *ip_address;
356 int retval = 0;
357 long avm = 0;
358 char *colon;
359 char *cdr_exe;
360 char *tmp;
361 char call_before_iso_user[MAX_STR_LEN] = "\0";
362 int rdsiz_MB;
363 char *iso_dev;
364 char *iso_mnt;
365 char *iso_tmp;
366 char *iso_path;
367 FILE *fd1 = NULL;
368
369 assert(bkpinfo != NULL);
370 malloc_string(extra_cdrom_params);
371 malloc_string(mondo_mkisofs_sz);
372 malloc_string(command);
373 malloc_string(mtpt);
374 malloc_string(hostname);
375 malloc_string(ip_address);
376 malloc_string(cdr_exe);
377 malloc_string(tmp);
378 malloc_string(iso_dev);
379 malloc_string(iso_mnt);
380 malloc_string(iso_tmp);
381 malloc_string(iso_path);
382 bkpinfo->optimal_set_size =
383 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
384 1024;
385
386 mr_msg(1, "Foo");
387 if (bkpinfo->backup_media_type == tape) {
388 mr_msg(1, "Bar");
389 sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
390 mr_msg(1, "tmp = '%s'", tmp);
391 if (run_program_and_log_output(tmp, 3)) {
392 fatal_error
393 ("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.");
394 }
395 }
396 make_hole_for_dir(bkpinfo->scratchdir);
397 make_hole_for_dir(bkpinfo->tmpdir);
398 if (bkpinfo->backup_media_type == iso)
399 make_hole_for_dir(bkpinfo->isodir);
400
401 run_program_and_log_output("uname -a", 5);
402 run_program_and_log_output("cat /etc/*-release", 5);
403 run_program_and_log_output("cat /etc/*issue*", 5);
404 sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
405 sprintf(command, "mkdir -p %s", g_tmpfs_mountpt);
406 paranoid_system(command);
407 rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
408#ifdef __FreeBSD__
409 strcpy(tmp,
410 call_program_and_get_last_line_of_output
411 ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
412 avm += atol(tmp);
413 strcpy(tmp,
414 call_program_and_get_last_line_of_output
415 ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
416 avm += atol(tmp);
417 sprintf(command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
418 g_tmpfs_mountpt);
419#else
420 strcpy(tmp,
421 call_program_and_get_last_line_of_output
422 ("free | grep ':' | tr -s ' ' '\t' | cut -f2 | head -n1"));
423 avm += atol(tmp);
424 sprintf(command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
425 g_tmpfs_mountpt, rdsiz_MB, 'm');
426 run_program_and_log_output("cat /proc/cpuinfo", 5);
427 run_program_and_log_output
428 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
429 5);
430#endif
431 if (avm / 1024 > rdsiz_MB * 3) {
432 if (run_program_and_log_output(command, 5)) {
433 g_tmpfs_mountpt[0] = '\0';
434 log_it("Failed to mount tmpfs");
435 } else {
436 log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
437 }
438 } else {
439 g_tmpfs_mountpt[0] = '\0';
440 log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
441 }
442
443 if (bkpinfo->use_lzo) {
444 strcpy(bkpinfo->zip_exe, "lzop");
445 strcpy(bkpinfo->zip_suffix, "lzo");
446 } else if (bkpinfo->use_gzip) {
447 strcpy(bkpinfo->zip_exe, "gzip");
448 strcpy(bkpinfo->zip_suffix, "gz");
449 } else if (bkpinfo->compression_level != 0) {
450 strcpy(bkpinfo->zip_exe, "bzip2");
451 strcpy(bkpinfo->zip_suffix, "bz2");
452 } else {
453 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
454 }
455
456// DVD
457
458 if (bkpinfo->backup_media_type == dvd) {
459 extra_cdrom_params[0] = '\0';
460 mondo_mkisofs_sz[0] = '\0';
461 if (find_home_of_exe("growisofs")) {
462 strcpy(cdr_exe, "growisofs");
463 } // unlikely to be used
464 else {
465 fatal_error("Please install growisofs.");
466 }
467 if (bkpinfo->nonbootable_backup) {
468 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
469 } else if
470#ifdef __FreeBSD__
471 (TRUE)
472#else
473 (bkpinfo->make_cd_use_lilo)
474#endif
475#ifdef __IA64__
476 {
477 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
478 }
479#else
480 {
481 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
482 }
483#endif
484 else
485 {
486 strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
487 }
488 if (bkpinfo->manual_cd_tray) {
489 fatal_error("Manual CD tray + DVD not supported yet.");
490 // -m isn't supported by growisofs, BTW...
491 } else {
492 sprintf(bkpinfo->call_make_iso,
493 "%s %s -Z %s . 2>> _ERR_",
494 mondo_mkisofs_sz,
495 extra_cdrom_params, bkpinfo->media_device);
496 }
497 if (getenv ("SUDO_COMMAND")) {
498 sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
499 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
500 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
501 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
502 }
503 }
504 mr_msg(2, "call_make_iso (DVD res) is ... %s",
505 bkpinfo->call_make_iso);
506 } // end of DVD code
507
508// CD-R or CD-RW
509 if (bkpinfo->backup_media_type == cdrw
510 || bkpinfo->backup_media_type == cdr) {
511 extra_cdrom_params[0] = '\0';
512 if (!bkpinfo->manual_cd_tray) {
513 strcat(extra_cdrom_params, "-waiti ");
514 }
515 if (bkpinfo->backup_media_type == cdrw) {
516 strcat(extra_cdrom_params, "blank=fast ");
517 }
518 if (find_home_of_exe("cdrecord")) {
519 strcpy(cdr_exe, "cdrecord");
520 } else if (find_home_of_exe("dvdrecord")) {
521 strcpy(cdr_exe, "dvdrecord");
522 } else {
523 fatal_error("Please install either cdrecord or dvdrecord.");
524 }
525 if (bkpinfo->nonbootable_backup) {
526 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
527 } else if
528#ifdef __FreeBSD__
529 (TRUE)
530#else
531 (bkpinfo->make_cd_use_lilo)
532#endif
533#ifdef __IA64__
534 {
535 strcat(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
536 }
537#else
538 {
539 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
540 }
541#endif
542 else
543 {
544 strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
545 }
546 if (bkpinfo->manual_cd_tray) {
547 if (bkpinfo->call_before_iso[0] == '\0') {
548 sprintf(bkpinfo->call_before_iso,
549 "%s -o %s/temporary.iso . 2>> _ERR_",
550 mondo_mkisofs_sz, bkpinfo->tmpdir);
551 } else {
552 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
553 sprintf (bkpinfo->call_before_iso,
554 "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
555 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
556 }
557 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
558 sprintf(bkpinfo->call_make_iso,
559 "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
560 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
561 extra_cdrom_params, bkpinfo->media_device,
562 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
563 } else {
564 sprintf(bkpinfo->call_make_iso,
565 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
566 mondo_mkisofs_sz, cdr_exe,
567 (bkpinfo->please_dont_eject) ? " " : "-eject",
568 extra_cdrom_params, bkpinfo->media_device,
569 bkpinfo->cdrw_speed);
570 }
571 } // end of CD code
572
573 /*
574 if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
575 {
576 sprintf (tmp,
577 "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
578 bkpinfo->media_device, bkpinfo->internal_tape_block_size);
579 if (system(tmp))
580 {
581 retval++;
582 fprintf (stderr,
583 "Cannot write to tape device. Is the tape set read-only?\n");
584 }
585 } // end of tape code
586 */
587
588
589 if (bkpinfo->backup_media_type == iso) {
590
591/* Patch by Conor Daly <conor.daly@met.ie>
592 * 23-june-2004
593 * Break up isodir into iso_mnt and iso_path
594 * These will be used along with iso-dev at restore time
595 * to locate the ISOs where ever they're mounted
596 */
597
598 log_it("isodir = %s", bkpinfo->isodir);
599 sprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1",
600 bkpinfo->isodir);
601 log_it("command = %s", command);
602 sprintf(iso_dev, "%s",
603 call_program_and_get_last_line_of_output(command));
604 log_it("res of it = %s", iso_dev);
605
606 fd1 = mr_fopen(MONDORESTORECFG, "a");
607 mr_fprintf(fd1, "iso-dev %s\n", iso_dev);
608
609 sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
610 iso_dev);
611 log_it("command = %s", command);
612 sprintf(iso_mnt, "%s",
613 call_program_and_get_last_line_of_output(command));
614
615 log_it("res of it = %s", iso_mnt);
616 mr_fprintf(fd1, "iso-mnt %s\n", iso_mnt);
617 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
618
619 sprintf(iso_tmp, "%s", bkpinfo->isodir);
620 if (strlen(iso_tmp) < strlen(iso_mnt)) {
621 iso_path[0] = '\0';
622 } else {
623 sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
624 }
625 log_it("isodir: %s", iso_path);
626 mr_fprintf(fd1, "isodir %s\n", iso_path);
627
628 log_it("iso-prefix: %s", bkpinfo->prefix);
629 mr_fprintf(fd1, "iso-prefix %s\n", bkpinfo->prefix);
630
631 mr_fclose(fd1);
632 } // end of iso code
633
634 if (bkpinfo->backup_media_type == nfs) {
635 strcpy(hostname, bkpinfo->nfs_mount);
636 colon = strchr(hostname, ':');
637 if (!colon) {
638 log_it("nfs mount doesn't have a colon in it");
639 retval++;
640 } else {
641 struct hostent *hent;
642
643 *colon = '\0';
644 hent = gethostbyname(hostname);
645 if (!hent) {
646 log_it("Can't resolve NFS mount (%s): %s", hostname,
647 hstrerror(h_errno));
648 retval++;
649 } else {
650 strcpy(ip_address, inet_ntoa
651 ((struct in_addr)
652 *((struct in_addr *) hent->h_addr)));
653 strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
654 strcpy(bkpinfo->nfs_mount, ip_address);
655 }
656 }
657 store_nfs_config(bkpinfo);
658 }
659
660 log_it("Finished processing incoming params");
661 if (retval) {
662 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
663 }
664 sprintf(tmp, "%s", MONDO_TMPISOS); /* added #define 22 apr 2002 */
665 if (does_file_exist(tmp)) {
666 unlink(tmp);
667 }
668 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
669 log_it("tmpdir or scratchdir are blank/missing");
670 retval++;
671 }
672 if (bkpinfo->include_paths[0] == '\0') {
673 // fatal_error ("Why no backup path?");
674 strcpy(bkpinfo->include_paths, "/");
675 }
676 chmod(bkpinfo->scratchdir, 0700);
677 chmod(bkpinfo->tmpdir, 0700);
678 g_backup_media_type = bkpinfo->backup_media_type;
679 mr_free(mtpt);
680 mr_free(extra_cdrom_params);
681 mr_free(mondo_mkisofs_sz);
682 mr_free(command);
683 mr_free(hostname);
684 mr_free(ip_address);
685 mr_free(cdr_exe);
686 mr_free(tmp);
687 mr_free(iso_dev);
688 mr_free(iso_mnt);
689 mr_free(iso_tmp);
690 mr_free(iso_path);
691 return (retval);
692}
693
694
695
696/**
697 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
698 * Seeds the random-number generator, loads important modules, checks the sanity
699 * of the user's Linux distribution, and deletes logfile.
700 * @param bkpinfo The backup information structure. Will be initialized.
701 * @return number of errors (0 for success)
702 */
703int pre_param_configuration(struct s_bkpinfo *bkpinfo)
704{
705 int res = 0;
706
707 make_hole_for_dir(MNT_CDROM);
708 assert(bkpinfo != NULL);
709 srandom((unsigned long) (time(NULL)));
710 insmod_crucial_modules();
711 reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
712 if (bkpinfo->disaster_recovery) {
713 if (!does_nonMS_partition_exist()) {
714 fatal_error
715 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
716 }
717 }
718
719 unlink(MONDO_TRACEFILE);
720 run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
721 if (find_and_store_mondoarchives_home(g_mondo_home)) {
722 fprintf(stderr,
723 "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");
724 res++;
725 return (res);
726 }
727 res += some_basic_system_sanity_checks();
728 if (res) {
729 log_it("Your distribution did not pass Mondo's sanity test.");
730 }
731 g_current_media_number = 1;
732 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
733 return (res);
734}
735
736
737
738
739/**
740 * Reset all fields of the backup information structure to a sensible default.
741 * @param bkpinfo The @c bkpinfo to reset.
742 */
743void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
744{
745 int i;
746
747 mr_msg(1, "Hi");
748 assert(bkpinfo != NULL);
749 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
750 bkpinfo->manual_cd_tray = FALSE;
751 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
752 bkpinfo->media_device[0] = '\0';
753 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
754 bkpinfo->media_size[i] = -1;
755 }
756 bkpinfo->boot_loader = '\0';
757 bkpinfo->boot_device[0] = '\0';
758 bkpinfo->zip_exe[0] = '\0';
759 bkpinfo->zip_suffix[0] = '\0';
760 bkpinfo->restore_path[0] = '\0';
761 bkpinfo->use_lzo = FALSE;
762 bkpinfo->use_gzip = FALSE;
763 bkpinfo->do_not_compress_these[0] = '\0';
764 bkpinfo->verify_data = FALSE;
765 bkpinfo->backup_data = FALSE;
766 bkpinfo->restore_data = FALSE;
767 bkpinfo->disaster_recovery =
768 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
769 if (bkpinfo->disaster_recovery) {
770 strcpy(bkpinfo->isodir, "/");
771 } else {
772 strcpy(bkpinfo->isodir, "/root/images/mondo");
773 }
774 strcpy(bkpinfo->prefix, STD_PREFIX);
775
776 bkpinfo->scratchdir[0] = '\0';
777 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
778 sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
779 bkpinfo->optimal_set_size = 0;
780 bkpinfo->backup_media_type = none;
781 strcpy(bkpinfo->include_paths, "/");
782 bkpinfo->exclude_paths[0] = '\0';
783 bkpinfo->call_before_iso[0] = '\0';
784 bkpinfo->call_make_iso[0] = '\0';
785 bkpinfo->call_burn_iso[0] = '\0';
786 bkpinfo->call_after_iso[0] = '\0';
787 bkpinfo->image_devs[0] = '\0';
788 bkpinfo->postnuke_tarball[0] = '\0';
789 bkpinfo->kernel_path[0] = '\0';
790 bkpinfo->nfs_mount[0] = '\0';
791 bkpinfo->nfs_remote_dir[0] = '\0';
792 bkpinfo->wipe_media_first = FALSE;
793 bkpinfo->differential = FALSE;
794 bkpinfo->cdrw_speed = 0;
795// patch by Herman Kuster
796 bkpinfo->differential = 0;
797// patch end
798 bkpinfo->compression_level = 3;
799}
800
801
802
803
804/**
805 * Get the remaining free space (in MB) on @p partition.
806 * @param partition The partition to check free space on (either a device or a mountpoint).
807 * @return The free space on @p partition, in MB.
808 */
809long free_space_on_given_partition(char *partition)
810{
811 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
812 long res;
813
814 assert_string_is_neither_NULL_nor_zerolength(partition);
815
816 sprintf(command, "df -m -P %s &> /dev/null", partition);
817 if (system(command)) {
818 return (-1);
819 } // partition does not exist
820 sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
821 partition);
822 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
823 if (strlen(out_sz) == 0) {
824 return (-1);
825 } // error within df, probably
826 res = atol(out_sz);
827 return (res);
828}
829
830
831
832/**
833 * Check the user's system for sanity. Checks performed:
834 * - make sure user has enough RAM (32mb required, 64mb recommended)
835 * - make sure user has enough free space in @c /
836 * - check kernel for ramdisk support
837 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
838 * - make sure CD-ROM is unmounted
839 * - make sure /etc/modules.conf exists
840 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
841 *
842 * @return number of problems with the user's setup (0 for success)
843 */
844int some_basic_system_sanity_checks()
845{
846
847 /*@ buffers ************ */
848 char tmp[MAX_STR_LEN];
849
850 /*@ int's *************** */
851 int retval = 0;
852 long Lres;
853
854
855 mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
856#ifndef __FreeBSD__
857 if (system("which mkfs.vfat &> /dev/null")
858 && !system("which mkfs.msdos &> /dev/null")) {
859 log_it
860 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
861 run_program_and_log_output
862 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
863 }
864 strcpy(tmp,
865 call_program_and_get_last_line_of_output
866 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
867 if (atol(tmp) < 35000) {
868 retval++;
869 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
870 }
871 if (atol(tmp) < 66000) {
872 log_to_screen
873 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
874 }
875#endif
876
877 Lres = free_space_on_given_partition("/var/cache");
878 log_it("Free space on given partition = %ld MB", Lres);
879
880 if (Lres < 50) {
881 fatal_error("Your /var/cache partition has <50MB free. Please adjust your partition table to something saner.");
882 }
883
884 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
885 retval++;
886 log_to_screen
887 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
888 fatal_error
889 ("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. :)");
890 }
891#ifndef __FreeBSD__
892 if (run_program_and_log_output
893 ("grep ramdisk /proc/devices", FALSE)) {
894 if (!ask_me_yes_or_no
895 ("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?"))
896 {
897 // retval++;
898 log_to_screen
899 ("It looks as if your kernel lacks ramdisk and initrd support.");
900 log_to_screen
901 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
902 }
903 }
904#endif
905 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
906 retval += whine_if_not_found("mkisofs");
907 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
908 retval += whine_if_not_found("cdrecord");
909 }
910 retval += whine_if_not_found("bzip2");
911 retval += whine_if_not_found("gzip");
912 retval += whine_if_not_found("awk");
913 retval += whine_if_not_found("md5sum");
914 retval += whine_if_not_found("strings");
915 retval += whine_if_not_found("mindi");
916 retval += whine_if_not_found("buffer");
917
918 // abort if Windows partition but no ms-sys and parted
919 if (!run_program_and_log_output
920 ("mount | grep -w vfat | grep -vE \"/dev/fd|nexdisk\"", 0)
921 ||
922 !run_program_and_log_output
923 ("mount | grep -w dos | grep -vE \"/dev/fd|nexdisk\"", 0)) {
924 log_to_screen("I think you have a Windows 9x partition.");
925 retval += whine_if_not_found("parted");
926#ifndef __IA64__
927 /* IA64 always has one vfat partition for EFI even without Windows */
928 // retval +=
929 if (!find_home_of_exe("ms-sys")) {
930 log_to_screen("Please install ms-sys just in case.");
931 }
932#endif
933 }
934
935 if (!find_home_of_exe("cmp")) {
936 if (!find_home_of_exe("true")) {
937 whine_if_not_found("cmp");
938 } else {
939 log_to_screen
940 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
941 if (run_program_and_log_output
942 ("cp -f `which true` /usr/bin/cmp", 0)) {
943 fatal_error("Failed to create dummy 'cmp' file.");
944 }
945 }
946 }
947 run_program_and_log_output
948 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
949 strcpy(tmp,
950 call_program_and_get_last_line_of_output
951 ("mount | grep -E \"cdr(om|w)\""));
952 if (strcmp("", tmp)) {
953 if (strstr(tmp, "autofs")) {
954 log_to_screen
955 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
956 log_to_screen
957 ("if a CD actually is inserted. If a CD is inserted, please");
958 log_to_screen("eject it. Thank you.");
959 log_it
960 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
961 } else
962 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
963 retval++;
964 fatal_error
965 ("Your CD-ROM drive is mounted. Please unmount it.");
966 }
967 }
968#ifndef __FreeBSD__
969 if (!does_file_exist("/etc/modules.conf")) {
970 if (does_file_exist("/etc/conf.modules")) {
971 log_it("Linking /etc/modules.conf to /etc/conf.modules");
972 run_program_and_log_output
973 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
974 } else if (does_file_exist("/etc/modprobe.d")) {
975 log_it
976 ("Directory /etc/modprobe.d found. mindi will use its contents.");
977 } else if (does_file_exist("/etc/modprobe.conf")) {
978 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
979 run_program_and_log_output
980 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
981 } else {
982 retval++;
983 log_to_screen
984 ("Please find out what happened to /etc/modules.conf");
985 }
986 }
987#endif
988
989 run_program_and_log_output("cat /etc/fstab", 5);
990#ifdef __FreeBSD__
991 run_program_and_log_output("vinum printconfig", 5);
992#else
993 run_program_and_log_output("cat /etc/raidtab", 5);
994#endif
995
996 if (run_program_and_log_output("mindi -V", 1)) {
997 log_to_screen("Could not ascertain mindi's version number.");
998 log_to_screen
999 ("You have not installed Mondo and/or Mindi properly.");
1000 log_to_screen("Please uninstall and reinstall them both.");
1001 fatal_error("Please reinstall Mondo and Mindi.");
1002 }
1003 if (run_program_and_log_output
1004 ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
1005 log_to_screen
1006 ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
1007 log_to_screen
1008 ("Please run that command by hand and examine /var/log/mindi.log");
1009 log_to_screen
1010 ("for more information. Perhaps your /etc/fstab file is insane.");
1011 log_to_screen
1012 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1013 retval++;
1014 }
1015
1016 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1017 && !does_file_exist("/etc/raidtab")) {
1018 log_to_screen
1019 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1020 create_raidtab_from_mdstat("/etc/raidtab");
1021 }
1022
1023 if (retval) {
1024 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1025 } else {
1026 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1027 }
1028 return (retval);
1029}
1030
1031/**
1032 * Retrieve the line containing @p label from the config file.
1033 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1034 * @param label What to read from the file.
1035 * @param value Where to put it.
1036 * @return 0 for success, 1 for failure.
1037 */
1038int read_cfg_var(char *config_file, char *label, char *value)
1039{
1040 /*@ buffer ****************************************************** */
1041 char command[MAX_STR_LEN * 2];
1042 char tmp[MAX_STR_LEN];
1043
1044 /*@ end vars *************************************************** */
1045
1046 assert_string_is_neither_NULL_nor_zerolength(config_file);
1047 assert_string_is_neither_NULL_nor_zerolength(label);
1048 if (!does_file_exist(config_file)) {
1049 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1050 config_file);
1051 log_to_screen(tmp);
1052 value[0] = '\0';
1053 return (1);
1054 } else if (strstr(value, "/dev/") && strstr(value, "t0")
1055 && !strcmp(label, "media-dev")) {
1056 mr_msg(2, "FYI, I shan't read new value for %s - already got %s",
1057 label, value);
1058 return (0);
1059 } else {
1060 sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1061 label, config_file);
1062 strcpy(value, call_program_and_get_last_line_of_output(command));
1063 if (strlen(value) == 0) {
1064 return (1);
1065 } else {
1066 return (0);
1067 }
1068 }
1069}
1070
1071
1072
1073/**
1074 * Remount @c supermount if it was unmounted earlier.
1075 */
1076void remount_supermounts_if_necessary()
1077{
1078 if (g_remount_cdrom_at_end) {
1079 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1080 }
1081 if (g_remount_floppy_at_end) {
1082 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1083 }
1084}
1085
1086/**
1087 * Unmount @c supermount if it's mounted.
1088 */
1089void unmount_supermounts_if_necessary()
1090{
1091 if (run_program_and_log_output
1092 ("mount | grep cdrom | grep super", FALSE) == 0) {
1093 g_remount_cdrom_at_end = TRUE;
1094 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1095 }
1096 if (run_program_and_log_output
1097 ("mount | grep floppy | grep super", FALSE) == 0) {
1098 g_remount_floppy_at_end = TRUE;
1099 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1100 }
1101}
1102
1103/**
1104 * Whether we had to stop autofs (if so, restart it at end).
1105 */
1106bool g_autofs_stopped = FALSE;
1107
1108/**
1109 * Path to the autofs initscript ("" if none exists).
1110 */
1111char g_autofs_exe[MAX_STR_LEN];
1112
1113/**
1114 * Autofs initscript in Xandros Linux distribution.
1115 */
1116#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1117
1118/**
1119 * Autofs initscript in most Linux distributions.
1120 */
1121#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1122
1123/**
1124 * If autofs is mounted, stop it (restart at end).
1125 */
1126void stop_autofs_if_necessary()
1127{
1128 char tmp[MAX_STR_LEN];
1129
1130 g_autofs_exe[0] = '\0';
1131 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1132 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1133 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1134 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1135 }
1136
1137 if (!g_autofs_exe[0]) {
1138 mr_msg(3, "No autofs detected.");
1139 } else {
1140 mr_msg(3, "%s --- autofs detected", g_autofs_exe);
1141// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1142 sprintf(tmp, "%s stop", g_autofs_exe);
1143 if (run_program_and_log_output(tmp, 2)) {
1144 log_it("Failed to stop autofs - I assume it wasn't running");
1145 } else {
1146 g_autofs_stopped = TRUE;
1147 log_it("Stopped autofs OK");
1148 }
1149 }
1150}
1151
1152/**
1153 * If autofs was stopped earlier, restart it.
1154 */
1155void restart_autofs_if_necessary()
1156{
1157 char tmp[MAX_STR_LEN];
1158
1159 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1160 mr_msg(3, "No autofs detected.");
1161 return;
1162 }
1163 sprintf(tmp, "%s start", g_autofs_exe);
1164 if (run_program_and_log_output(tmp, 2)) {
1165 log_it("Failed to start autofs");
1166 } else {
1167 g_autofs_stopped = FALSE;
1168 log_it("Started autofs OK");
1169 }
1170}
1171
1172
1173/**
1174 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1175 */
1176void mount_boot_if_necessary()
1177{
1178 char tmp[MAX_STR_LEN];
1179 char command[MAX_STR_LEN];
1180
1181 mr_msg(1, "Started sub");
1182 mr_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1183 g_boot_mountpt[0] = '\0';
1184 mr_msg(4, "Done. Great. Seeting command to something");
1185 strcpy(command,
1186 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1187 mr_msg(4, "Cool. Command = '%s'", command);
1188 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1189 mr_msg(4, "tmp = '%s'", tmp);
1190 if (tmp[0]) {
1191 log_it("/boot is at %s according to /etc/fstab", tmp);
1192 if (strstr(tmp, "LABEL=")) {
1193 if (!run_program_and_log_output("mount /boot", 5)) {
1194 strcpy(g_boot_mountpt, "/boot");
1195 mr_msg(1, "Mounted /boot");
1196 } else {
1197 log_it("...ignored cos it's a label :-)");
1198 }
1199 } else {
1200 sprintf(command, "mount | grep -E '^%s'", tmp);
1201 mr_msg(3, "command = %s", command);
1202 if (run_program_and_log_output(command, 5)) {
1203 strcpy(g_boot_mountpt, tmp);
1204 sprintf(tmp,
1205 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1206 g_boot_mountpt);
1207 log_it(tmp);
1208 sprintf(tmp, "mount %s", g_boot_mountpt);
1209 if (run_program_and_log_output(tmp, 5)) {
1210 g_boot_mountpt[0] = '\0';
1211 mr_msg(1, "Plan B");
1212 if (!run_program_and_log_output("mount /boot", 5)) {
1213 strcpy(g_boot_mountpt, "/boot");
1214 mr_msg(1, "Plan B worked");
1215 } else {
1216 mr_msg(1,
1217 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1218 }
1219 }
1220 }
1221 }
1222 }
1223 mr_msg(1, "Ended sub");
1224}
1225
1226
1227/**
1228 * If we mounted /boot earlier, unmount it.
1229 */
1230void unmount_boot_if_necessary()
1231{
1232 char tmp[MAX_STR_LEN];
1233
1234 mr_msg(3, "starting");
1235 if (g_boot_mountpt[0]) {
1236 sprintf(tmp, "umount %s", g_boot_mountpt);
1237 if (run_program_and_log_output(tmp, 5)) {
1238 log_it("WARNING - unable to unmount /boot");
1239 }
1240 }
1241 mr_msg(3, "leaving");
1242}
1243
1244
1245
1246/**
1247 * Write a line to a configuration file. Writes a line of the form,
1248 * @c label @c value.
1249 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1250 * @param label What to call this bit of data you're writing.
1251 * @param value The bit of data you're writing.
1252 * @return 0 for success, 1 for failure.
1253 */
1254int write_cfg_var(char *config_file, char *label, char *value)
1255{
1256 /*@ buffers ***************************************************** */
1257 char command[MAX_STR_LEN * 2];
1258 char tempfile[MAX_STR_LEN];
1259 char tmp[MAX_STR_LEN];
1260
1261
1262 /*@ end vars *************************************************** */
1263 assert_string_is_neither_NULL_nor_zerolength(config_file);
1264 assert_string_is_neither_NULL_nor_zerolength(label);
1265 assert(value != NULL);
1266 if (!does_file_exist(config_file)) {
1267 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1268 config_file);
1269 log_to_screen(tmp);
1270 return (1);
1271 }
1272 strcpy(tempfile,
1273 call_program_and_get_last_line_of_output
1274 ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1275 if (does_file_exist(config_file)) {
1276 sprintf(command, "grep -vE '^%s .*$' %s > %s",
1277 label, config_file, tempfile);
1278 paranoid_system(command);
1279 }
1280 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1281 paranoid_system(command);
1282 sprintf(command, "mv -f %s %s", tempfile, config_file);
1283 paranoid_system(command);
1284 unlink(tempfile);
1285 return (0);
1286}
1287
1288
1289/**
1290 * If @p y, malloc @p x, else free @p x.
1291 * @bug This function seems orphaned. Please remove.
1292 */
1293#define do_alloc_or_free_depending(x,y) { if(y) {x=mr_malloc(MAX_STR_LEN);} else {mr_free(x);} }
1294
1295/**
1296 * Allocate or free important globals, depending on @p mal.
1297 * @param mal If TRUE, malloc; if FALSE, free.
1298 */
1299void do_libmondo_global_strings_thing(int mal)
1300{
1301 if (mal) {
1302 iamhere("Malloc'ing globals");
1303 malloc_string(g_boot_mountpt);
1304 malloc_string(g_mondo_home);
1305 malloc_string(g_tmpfs_mountpt);
1306 malloc_string(g_erase_tmpdir_and_scratchdir);
1307 malloc_string(g_serial_string);
1308 malloc_string(g_magicdev_command);
1309 } else {
1310 iamhere("Freeing globals");
1311 mr_free(g_boot_mountpt);
1312 mr_free(g_mondo_home);
1313 mr_free(g_tmpfs_mountpt);
1314 mr_free(g_erase_tmpdir_and_scratchdir);
1315 mr_free(g_serial_string);
1316 mr_free(g_magicdev_command);
1317 }
1318}
1319
1320/**
1321 * Allocate important globals.
1322 * @see do_libmondo_global_strings_thing
1323 */
1324void malloc_libmondo_global_strings(void)
1325{
1326 do_libmondo_global_strings_thing(1);
1327}
1328
1329/**
1330 * Free important globals.
1331 * @see do_libmondo_global_strings_thing
1332 */
1333void free_libmondo_global_strings(void)
1334{
1335 do_libmondo_global_strings_thing(0);
1336}
1337
1338
1339
1340/**
1341 * Stop @c magicdev if it's running.
1342 * The command used to start it is saved in @p g_magicdev_command.
1343 */
1344void stop_magicdev_if_necessary()
1345{
1346 strcpy(g_magicdev_command,
1347 call_program_and_get_last_line_of_output
1348 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1349 if (g_magicdev_command[0]) {
1350 mr_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1351 paranoid_system("killall magicdev");
1352 }
1353}
1354
1355
1356/**
1357 * Restart magicdev if it was stopped.
1358 */
1359void restart_magicdev_if_necessary()
1360{
1361 char *tmp;
1362
1363 malloc_string(tmp);
1364 if (g_magicdev_command && g_magicdev_command[0]) {
1365 sprintf(tmp, "%s &", g_magicdev_command);
1366 paranoid_system(tmp);
1367 }
1368 mr_free(tmp);
1369}
1370
1371/* @} - end of utilityGroup */
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