source: MondoRescue/branches/stable/mondo/src/common/libmondo-tools.c@ 1671

Last change on this file since 1671 was 1671, checked in by Bruno Cornec, 17 years ago

handle 2 new conf file parameters
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File size: 36.3 KB
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1/* $Id: libmondo-tools.c 1671 2007-10-01 12:12:54Z bruno $
2misc tools
3*/
4
5/**
6 * @file
7 * Miscellaneous tools that didn't really fit anywhere else.
8 */
9
10#include "my-stuff.h"
11#include "mr_mem.h"
12#include "mr_msg.h"
13#include "mr_file.h"
14#include "mr_gettext.h"
15#include "mr_conf.h"
16
17#include "mondostructures.h"
18#include "libmondo-tools.h"
19#include "newt-specific-EXT.h"
20#include "libmondo-files-EXT.h"
21#include "libmondo-fork-EXT.h"
22#include "libmondo-raid-EXT.h"
23#include <sys/socket.h>
24#include <netdb.h>
25#include <stdlib.h>
26#include <netinet/in.h>
27#include <arpa/inet.h>
28#include <sys/utsname.h>
29
30/*@unused@*/
31//static char cvsid[] = "$Id: libmondo-tools.c 1671 2007-10-01 12:12:54Z bruno $";
32
33extern int g_tape_buffer_size_MB;
34extern char *g_erase_tmpdir_and_scratchdir;
35extern char *g_serial_string;
36extern bool g_text_mode;
37extern int g_currentY;
38extern int g_current_media_number;
39extern char *MONDO_LOGFILE;
40
41extern struct mr_ar_conf *mr_conf;
42
43/* Reference to global bkpinfo */
44extern struct s_bkpinfo *bkpinfo;
45
46/**
47 * @addtogroup globalGroup
48 * @{
49 */
50bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
51 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
52bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
53double g_kernel_version;
54
55/**
56 * The place where /boot is mounted. - Used locally only
57 */
58static char *g_boot_mountpt = 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.
67 */
68char *g_tmpfs_mountpt = NULL;
69char *g_magicdev_command = NULL;
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;
78extern char *g_backup_media_string;
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 $3"); // break to debugger
129#endif
130 break;
131 case 'E': // (E)xit
132 fatal_error("Failed assertion -- see above for details");
133 break; /* "can't get here" */
134 case 'I': // (I)gnore
135 break;
136 /* These next two work as follows:
137 the `default' catches the user's invalid choice and says so;
138 the '\n' catches the newline on the end and prints the prompt again.
139 */
140 case '\n':
141 printf
142 (_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
143 break;
144 default:
145 is_valid = FALSE;
146 printf(_("Invalid choice.\n"));
147 break;
148 }
149 } while (!is_valid);
150
151 if (ignoring_assertions) {
152 log_it("Ignoring ALL assertions from now on.");
153 } else {
154 log_it("Ignoring assertion: %s", exp);
155 }
156
157 getchar(); // skip \n
158
159#ifndef _XWIN
160 if (!g_text_mode)
161 newtResume();
162#endif
163}
164
165/**
166 * Clean's up users' KDE desktops.
167 * @bug Details about this function are unknown.
168 */
169void clean_up_KDE_desktop_if_necessary(void)
170{
171 char *tmp;
172
173 mr_asprintf(&tmp,
174 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
175file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
176awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
177else { print $0;};}' $file.old > $file ; fi ; done");
178 run_program_and_log_output(tmp, 5);
179 mr_free(tmp);
180}
181
182
183/**
184 * Locate mondoarchive's home directory. Searches in /usr/share/mondo,
185 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
186 *
187 * @param home_sz String to store the home directory ("" if it could not be found).
188 * @return 0 for success, nonzero for failure.
189 */
190int find_and_store_mondoarchives_home(char *home_sz)
191{
192 assert(home_sz != NULL);
193 strcpy(home_sz, MONDO_SHARE);
194 return (0);
195}
196
197
198char *get_architecture(void) {
199#ifdef __IA32__
200# ifdef __X86_64__
201 return ("x86_64");
202# else
203 return ("i386");
204# endif
205#endif
206#ifdef __X86_64__
207 return ("x86_64");
208#endif
209#ifdef __IA64__
210 return ("ia64");
211#endif
212 return ("unknown");
213}
214
215
216char *get_uname_m(void) {
217
218 struct utsname utsn;
219 char *tmp = NULL;
220
221 uname(&utsn);
222 mr_asprintf(&tmp, utsn.machine);
223 return (tmp);
224}
225
226
227
228/* BERLIOS: Use uname instead */
229double get_kernel_version(void)
230{
231 char *p, tmp[200];
232 double d;
233#ifdef __FreeBSD__
234 // JOSH - FIXME :)
235 d = 5.2; // :-)
236#else
237 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
238 p = strchr(tmp, '.');
239 if (p) {
240 p = strchr(++p, '.');
241 if (p) {
242 while (*p) {
243 *p = *(p + 1);
244 p++;
245 }
246 }
247 }
248// mr_msg(1, "tmp = '%s'", tmp);
249 d = atof(tmp);
250#endif
251 mr_msg(1, "g_kernel_version = %f", d);
252 return (d);
253}
254
255
256/**
257 * Get the current time.
258 * @return number of seconds since the epoch.
259 */
260long get_time(void)
261{
262 return (long) time((void *) 0);
263}
264
265
266/**
267 * Initialize a RAID volume structure, setting fields to zero. The
268 * actual hard drive is unaffected.
269 *
270 * @param raidrec The RAID volume structure to initialize.
271 * @note This function is system dependent.
272 */
273#ifdef __FreeBSD__
274void initialize_raidrec(struct vinum_volume *raidrec)
275{
276 int i, j;
277 raidrec->volname[0] = '\0';
278 raidrec->plexes = 0;
279 for (i = 0; i < 9; ++i) {
280 raidrec->plex[i].raidlevel = -1;
281 raidrec->plex[i].stripesize = 0;
282 raidrec->plex[i].subdisks = 0;
283 for (j = 0; j < 9; ++j) {
284 strcpy(raidrec->plex[i].sd[j].which_device, "");
285 }
286 }
287}
288#else
289void initialize_raidrec(struct raid_device_record *raidrec)
290{
291 assert(raidrec != NULL);
292 raidrec->raid_device[0] = '\0';
293 raidrec->raid_level = -9;
294 raidrec->persistent_superblock = 1;
295 raidrec->chunk_size = 64;
296 raidrec->parity = -1;
297 raidrec->data_disks.entries = 0;
298 raidrec->spare_disks.entries = 0;
299 raidrec->parity_disks.entries = 0;
300 raidrec->failed_disks.entries = 0;
301 raidrec->additional_vars.entries = 0;
302}
303#endif
304
305
306/**
307 * Insert modules that Mondo requires.
308 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
309 * @c msdosfs and @c ext2fs for FreeBSD.
310 */
311void insmod_crucial_modules(void)
312{
313#ifdef __FreeBSD__
314 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
315 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
316#else
317 system("modprobe -a msdos vfat loop &> /dev/null");
318#endif
319}
320
321
322/**
323 * Finish configuring the backup information structure. Call this function
324 * to set the parameters that depend on those that can be given on the command
325 * line.
326 *
327 * @param bkpinfo The backup information structure. Fields modified/used:
328 * - Used: @c bkpinfo->backup_data
329 * - Used: @c bkpinfo->backup_media_type
330 * - Used: @c bkpinfo->writer_speed
331 * - Used: @c bkpinfo->compression_level
332 * - Used: @c bkpinfo->include_paths
333 * - Used: @c bkpinfo->prefix
334 * - Used: @c bkpinfo->isodir
335 * - Used: @c bkpinfo->manual_tray
336 * - Used: @c bkpinfo->make_cd_use_lilo
337 * - Used: @c bkpinfo->media_device
338 * - Used: @c bkpinfo->nfs_mount
339 * - Used: @c bkpinfo->nonbootable_backup
340 * - Used: @c bkpinfo->scratchdir
341 * - Used: @c bkpinfo->tmpdir
342 * - Used: @c bkpinfo->use_lzo
343 * - Modified: @c bkpinfo->call_before_iso
344 * - Modified: @c bkpinfo->call_make_iso
345 * - Modified: @c bkpinfo->optimal_set_size
346 * - Modified: @c bkpinfo->zip_exe
347 * - Modified: @c bkpinfo->zip_suffix
348 *
349 * @return number of errors, or 0 for success.
350 * @note Also creates directories that are specified in the @c bkpinfo structure but
351 * do not exist.
352 */
353int post_param_configuration()
354{
355 char *extra_cdrom_params = NULL;
356 char *mondo_mkisofs_sz = NULL;
357 char *command = NULL;
358 char *hostname = NULL;
359 char *ip_address = NULL;
360 int retval = 0;
361 long avm = 0;
362 char *colon = NULL;
363 char *tmp = NULL;
364 char *call_before_iso_user = NULL;
365 int rdsiz_MB;
366 char *iso_dev = NULL;
367 char *iso_mnt = NULL;
368 char *iso_tmp = NULL;
369 char *iso_path = NULL;
370 FILE *fd1 = NULL;
371
372 assert(bkpinfo != NULL);
373 bkpinfo->optimal_set_size =
374 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
375 1024;
376
377 mr_msg(1, "Foo");
378 if (bkpinfo->backup_media_type == tape) {
379 mr_msg(1, "Bar");
380 mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
381 mr_msg(1, "tmp = '%s'", tmp);
382 if (run_program_and_log_output(tmp, 3)) {
383 fatal_error
384 ("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.");
385 }
386 mr_free(tmp);
387 }
388 make_hole_for_dir(bkpinfo->scratchdir);
389 if (bkpinfo->backup_media_type == iso)
390 make_hole_for_dir(bkpinfo->isodir);
391
392 run_program_and_log_output("uname -a", 5);
393 run_program_and_log_output("cat /etc/*-release", 5);
394 sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
395 mr_asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
396 paranoid_system(command);
397 mr_free(command);
398 rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
399#ifdef __FreeBSD__
400 mr_asprintf(&tmp,
401 call_program_and_get_last_line_of_output
402 ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
403 avm += atol(tmp);
404 mr_free(tmp);
405 mr_asprintf(&tmp,
406 call_program_and_get_last_line_of_output
407 ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
408 avm += atol(tmp);
409 mr_free(tmp);
410 mr_asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
411 g_tmpfs_mountpt);
412#else
413 mr_asprintf(&tmp,
414 call_program_and_get_last_line_of_output
415 ("free | grep ':' | tr -s ' ' '\t' | cut -f2 | head -n1"));
416 avm += atol(tmp);
417 mr_free(tmp);
418 mr_asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
419 g_tmpfs_mountpt, rdsiz_MB, 'm');
420 run_program_and_log_output("cat /proc/cpuinfo", 5);
421 /* BERLIOS: rpm is not necessarily there ! */
422 run_program_and_log_output
423 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
424 5);
425#endif
426 if (avm / 1024 > rdsiz_MB * 3) {
427 if (run_program_and_log_output(command, 5)) {
428 g_tmpfs_mountpt[0] = '\0';
429 log_it("Failed to mount tmpfs");
430 } else {
431 log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
432 }
433 } else {
434 g_tmpfs_mountpt[0] = '\0';
435 log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
436 }
437 mr_free(command);
438
439 if (bkpinfo->use_lzo) {
440 strcpy(bkpinfo->zip_exe, "lzop");
441 strcpy(bkpinfo->zip_suffix, "lzo");
442 } else if (bkpinfo->use_gzip) {
443 strcpy(bkpinfo->zip_exe, "gzip");
444 strcpy(bkpinfo->zip_suffix, "gz");
445 } else if (bkpinfo->compression_level != 0) {
446 strcpy(bkpinfo->zip_exe, "bzip2");
447 strcpy(bkpinfo->zip_suffix, "bz2");
448 } else {
449 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
450 }
451
452// CD-R or CD-RW or DVD
453 if (bkpinfo->backup_media_type == cdrw
454 || bkpinfo->backup_media_type == dvd
455 || bkpinfo->backup_media_type == iso
456 || bkpinfo->backup_media_type == nfs
457 || bkpinfo->backup_media_type == cdr) {
458 if (!bkpinfo->manual_tray) {
459 mr_strcat(extra_cdrom_params, "-waiti ");
460 }
461 if (bkpinfo->backup_media_type == cdrw) {
462 mr_strcat(extra_cdrom_params, "blank=fast ");
463 }
464 if (bkpinfo->nonbootable_backup) {
465 mr_asprintf(&mondo_mkisofs_sz, "%s -no-boot", mr_conf->iso_creation_opt);
466 } else if
467#ifdef __FreeBSD__
468 (TRUE)
469#else
470 (bkpinfo->make_cd_use_lilo)
471#endif
472#ifdef __IA64__
473 {
474 mr_asprintf(&mondo_mkisofs_sz, "%s -b images/mindi-boot.2880.img -c boot.cat", mr_conf->iso_creation_opt);
475 }
476#else
477 {
478 mr_asprintf(&mondo_mkisofs_sz, "%s -b isolinux.bin -c boot.cat", mr_conf->iso_creation_opt);
479 }
480#endif
481 else {
482 mr_asprintf(&mondo_mkisofs_sz, "%s -b isolinux.bin -c boot.cat", mr_conf->iso_creation_opt);
483 }
484 if (bkpinfo->manual_tray) {
485 if (strstr(mr_conf->iso_burning_cmd,"growisofs") != NULL) {
486 fatal_error("Unable to use manual CD tray with growisofs");
487 }
488 if (bkpinfo->call_before_iso[0] == '\0') {
489 sprintf(bkpinfo->call_before_iso,
490 "%s %s -o %s/"MONDO_TMPISOS" . 2>> %s",
491 mr_conf->iso_creation_cmd,mondo_mkisofs_sz, bkpinfo->tmpdir, MONDO_LOGFILE);
492 } else {
493 mr_asprintf(&call_before_iso_user, bkpinfo->call_before_iso);
494 sprintf (bkpinfo->call_before_iso,
495 "(%s %s -o %s/"MONDO_TMPISOS" . 2>> %s ; %s )",
496 mr_conf->iso_creation_cmd,mondo_mkisofs_sz, bkpinfo->tmpdir, MONDO_LOGFILE, call_before_iso_user);
497 mr_free(call_before_iso_user);
498 }
499 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
500 sprintf(bkpinfo->call_make_iso,
501 "%s %s %s dev=%s speed=%d %s/"MONDO_TMPISOS,
502 mr_conf->iso_burning_cmd,
503 extra_cdrom_params,
504 mr_conf->iso_burning_opt,
505 bkpinfo->iso_burning_dev,
506 bkpinfo->writer_speed,
507 bkpinfo->tmpdir);
508 } else {
509 if (bkpinfo->backup_media_type == iso) {
510 sprintf(bkpinfo->call_make_iso,
511 "%s %s . 2>> %s",
512 mr_conf->iso_creation_cmd,
513 mondo_mkisofs_sz,
514 MONDO_LOGFILE);
515 } else {
516 if (strstr(mr_conf->iso_burning_cmd,"growisofs") != NULL) {
517 if (getenv ("SUDO_COMMAND")) {
518 mr_asprintf(&command, "strings %s | grep -c SUDO_COMMAND", mr_conf->iso_burning_cmd);
519 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
520 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
521 }
522 mr_free(command);
523 }
524 sprintf(bkpinfo->call_make_iso,
525 "%s %s %s %s -Z %s -speed=%d . 2>> %s",
526 mr_conf->iso_burning_cmd,
527 mondo_mkisofs_sz,
528 extra_cdrom_params,
529 mr_conf->iso_burning_opt,
530 bkpinfo->iso_burning_dev,
531 bkpinfo->writer_speed,
532 MONDO_LOGFILE);
533 } else {
534 sprintf(bkpinfo->call_make_iso,
535 "%s %s . 2>> %s | %s %s %s dev=%s speed=%d -",
536 mr_conf->iso_creation_cmd,
537 mondo_mkisofs_sz,
538 MONDO_LOGFILE,
539 mr_conf->iso_burning_cmd,
540 extra_cdrom_params,
541 mr_conf->iso_burning_opt,
542 bkpinfo->iso_burning_dev,
543 bkpinfo->writer_speed);
544 }
545 mr_free(mondo_mkisofs_sz);
546 mr_free(extra_cdrom_params);
547 }
548 }
549 } // end of CD code
550
551 if (bkpinfo->backup_media_type == iso) {
552
553/* Patch by Conor Daly <conor.daly@met.ie>
554 * 23-june-2004
555 * Break up isodir into iso_mnt and iso_path
556 * These will be used along with iso-dev at restore time
557 * to locate the ISOs where ever they're mounted
558 */
559
560 log_it("isodir = %s", bkpinfo->isodir);
561 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
562 bkpinfo->isodir);
563 log_it("command = %s", command);
564 mr_asprintf(&iso_dev, call_program_and_get_last_line_of_output(command));
565 mr_free(command);
566 log_it("res of it = %s", iso_dev);
567
568 fd1 = mr_fopen(MONDORESTORECFG, "a");
569 mr_fprintf(fd1, "iso-dev=%s\n", iso_dev);
570
571 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
572 iso_dev);
573 mr_free(iso_dev);
574
575 log_it("command = %s", command);
576 mr_asprintf(&iso_mnt,call_program_and_get_last_line_of_output(command));
577 mr_free(command);
578
579 log_it("res of it = %s", iso_mnt);
580 mr_fprintf(fd1, "iso-mnt=%s\n", iso_mnt);
581 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
582
583 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
584 if (strlen(iso_tmp) >= strlen(iso_mnt)) {
585 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
586 } else {
587 mr_asprintf(&iso_path, "");
588 }
589 mr_free(iso_tmp);
590 mr_free(iso_mnt);
591
592 log_it("isodir: %s", iso_path);
593 mr_fprintf(fd1, "isodir=%s\n", iso_path);
594 mr_free(iso_path);
595
596 log_it("iso-prefix: %s", bkpinfo->prefix);
597 mr_fprintf(fd1, "iso-prefix=%s\n", bkpinfo->prefix);
598
599 mr_fclose(fd1);
600 } // end of iso code
601
602 if (bkpinfo->backup_media_type == nfs) {
603 mr_asprintf(&hostname, bkpinfo->nfs_mount);
604 colon = strchr(hostname, ':');
605 if (!colon) {
606 log_it("nfs mount doesn't have a colon in it");
607 retval++;
608 } else {
609 struct hostent *hent;
610
611 *colon = '\0';
612 hent = gethostbyname(hostname);
613 if (!hent) {
614 log_it("Can't resolve NFS mount (%s): %s", hostname,
615 hstrerror(h_errno));
616 retval++;
617 } else {
618 mr_asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
619 *((struct in_addr *) hent->h_addr)),
620 strchr(bkpinfo->nfs_mount, ':'));
621 strcpy(bkpinfo->nfs_mount, ip_address);
622 mr_free(ip_address);
623 }
624 }
625 store_nfs_config();
626 mr_free(hostname);
627 }
628
629 log_it("Finished processing incoming params");
630 if (retval) {
631 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
632 }
633
634 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
635 log_it("tmpdir or scratchdir are blank/missing");
636 retval++;
637 }
638 if (bkpinfo->include_paths[0] == '\0') {
639 // fatal_error ("Why no backup path?");
640 strcpy(bkpinfo->include_paths, "/");
641 }
642 chmod(bkpinfo->scratchdir, 0700);
643 g_backup_media_type = bkpinfo->backup_media_type;
644 g_backup_media_string = bkpinfo->backup_media_string;
645 return (retval);
646}
647
648
649/**
650 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
651 * Seeds the random-number generator, loads important modules, checks the sanity
652 * of the user's Linux distribution, and deletes logfile.
653 * @param bkpinfo The backup information structure. Will be initialized.
654 * @return number of errors (0 for success)
655 */
656int pre_param_configuration()
657{
658 int res = 0;
659 char *tmp = NULL;
660
661 make_hole_for_dir(MNT_CDROM);
662 assert(bkpinfo != NULL);
663 srandom((unsigned long) (time(NULL)));
664 insmod_crucial_modules();
665 if (bkpinfo->disaster_recovery) {
666 if (!does_nonMS_partition_exist()) {
667 fatal_error
668 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
669 }
670 }
671
672 asprintf(&tmp,"rm -Rf %s/changed.files*",MINDI_CACHE);
673 run_program_and_log_output(tmp, FALSE);
674 paranoid_free(tmp);
675 res += some_basic_system_sanity_checks();
676 if (res) {
677 log_it("Your distribution did not pass Mondo's sanity test.");
678 }
679 g_current_media_number = 1;
680 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
681 return (res);
682}
683
684void setup_tmpdir(char *path) {
685
686 char *tmp = NULL;
687 char *p = NULL;
688
689 if (bkpinfo->tmpdir != NULL) {
690 /* purging a potential old tmpdir */
691 asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
692 system(tmp);
693 paranoid_free(tmp);
694 }
695
696 if (path != NULL) {
697 asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
698 } else if (getenv("TMPDIR")) {
699 asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
700 } else if (getenv("TMP")) {
701 asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
702 } else {
703 asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
704 }
705 p = mkdtemp(tmp);
706 if (p == NULL) {
707 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
708 finish(-1);
709 }
710 strcpy(bkpinfo->tmpdir,p);
711 paranoid_free(tmp);
712
713 //sprintf(bkpinfo->tmpdir, "%s/tmpfs/mondo.tmp.%d", "/tmp", (int) (random() % 32768)); // for mondorestore
714}
715
716
717/**
718 * Reset all fields of the backup information structure to a sensible default.
719 * @param bkpinfo The @c bkpinfo to reset.
720 */
721void reset_bkpinfo()
722{
723 char *tmp = NULL;
724
725 mr_msg(1, "Hi");
726
727 assert(bkpinfo != NULL);
728 /* BERLIOS : Useless ?? */
729 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
730
731 /* special case for tmpdir as used eveywhere after */
732 setup_tmpdir(NULL);
733
734 bkpinfo->manual_tray = mr_conf->manual_tray;
735 bkpinfo->internal_tape_block_size = mr_conf->internal_tape_blocksize;
736 mr_asprintf(&tmp,mr_conf->media_device);
737 bkpinfo->media_device = tmp;
738 mr_asprintf(&tmp,mr_conf->iso_burning_dev);
739 bkpinfo->iso_burning_dev = tmp;
740
741 bkpinfo->media_size = mr_conf->iso_burning_speed;
742 mr_asprintf(&tmp,mr_conf->kernel);
743 bkpinfo->kernel_path = tmp;
744
745 if (strcmp(mr_conf->boot_loader,"LILO") == 0) {
746 bkpinfo->boot_loader = 'L';
747 } else if (strcmp(mr_conf->boot_loader,"GRUB") == 0) {
748 bkpinfo->boot_loader = 'G';
749 } else if (strcmp(mr_conf->boot_loader,"ELILO") == 0) {
750 bkpinfo->boot_loader = 'E';
751 } else if (strcmp(mr_conf->boot_loader,"RAW") == 0) {
752 bkpinfo->boot_loader = 'R';
753 } else if (strcmp(mr_conf->boot_loader,"DD") == 0) {
754 bkpinfo->boot_loader = 'D';
755 } else if (strcmp(mr_conf->boot_loader,"BOOT0") == 0) {
756 bkpinfo->boot_loader = 'B';
757 } else if (strcmp(mr_conf->boot_loader,"NATIVE") == 0) {
758 bkpinfo->boot_loader = '\0';
759 } else{
760 mr_msg("Boot Loader %s unknown\n",mr_conf->boot_loader);
761 fatal_error("Unknown Boot Loader in conf file");
762 }
763 bkpinfo->boot_device[0] = '\0';
764 bkpinfo->zip_exe[0] = '\0';
765 bkpinfo->zip_suffix[0] = '\0';
766 bkpinfo->restore_path[0] = '\0';
767 bkpinfo->use_lzo = FALSE;
768 bkpinfo->use_gzip = FALSE;
769 bkpinfo->do_not_compress_these[0] = '\0';
770 bkpinfo->verify_data = FALSE;
771 bkpinfo->backup_data = FALSE;
772 bkpinfo->restore_data = FALSE;
773 bkpinfo->disaster_recovery =
774 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
775 if (bkpinfo->disaster_recovery) {
776 strcpy(bkpinfo->isodir, "/");
777 } else {
778 strcpy(bkpinfo->isodir, "/var/cache/mondo/iso");
779 }
780 mr_asprintf(&tmp,mr_conf->prefix);
781 bkpinfo->prefix = tmp;
782
783 bkpinfo->scratchdir[0] = '\0';
784 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
785 bkpinfo->optimal_set_size = 0;
786 bkpinfo->backup_media_type = none;
787 bkpinfo->backup_media_string[0] = '\0';
788 strcpy(bkpinfo->include_paths, "/");
789 bkpinfo->exclude_paths[0] = '\0';
790 bkpinfo->call_before_iso[0] = '\0';
791 bkpinfo->call_make_iso[0] = '\0';
792 bkpinfo->call_after_iso[0] = '\0';
793 bkpinfo->image_devs[0] = '\0';
794 bkpinfo->postnuke_tarball[0] = '\0';
795 bkpinfo->nfs_mount[0] = '\0';
796 bkpinfo->nfs_remote_dir[0] = '\0';
797 bkpinfo->wipe_media_first = FALSE;
798 bkpinfo->differential = FALSE;
799 bkpinfo->writer_speed = mr_conf->iso_burning_speed;
800 bkpinfo->compression_level = 3;
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 = NULL;
812 char *out_sz = NULL;
813 long res = 0L;
814
815 assert_string_is_neither_NULL_nor_zerolength(partition);
816
817 mr_asprintf(&command, "df -m -P %s &> /dev/null", partition);
818 if (system(command)) {
819 return (-1);
820 } // partition does not exist
821 mr_free(command);
822
823 mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
824 partition);
825 mr_asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
826 mr_free(command);
827
828 if (strlen(out_sz) == 0) {
829 return (-1);
830 } // error within df, probably
831 res = atol(out_sz);
832 mr_free(out_sz);
833 return (res);
834}
835
836
837/**
838 * Check the user's system for sanity. Checks performed:
839 * - make sure user has enough RAM (32mb required, 64mb recommended)
840 * - make sure user has enough free space in @c /
841 * - check kernel for ramdisk support
842 * - make sure afio, cdrecord, bzip2, awk, md5sum, strings, mindi, and buffer exist
843 * - make sure CD-ROM is unmounted
844 * - make sure /etc/modules.conf exists
845 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
846 *
847 * @return number of problems with the user's setup (0 for success)
848 */
849int some_basic_system_sanity_checks()
850{
851
852 /*@ buffers ************ */
853 char *tmp = NULL;
854
855 /*@ int's *************** */
856 int retval = 0;
857 long Lres;
858
859
860 mvaddstr_and_log_it(g_currentY, 0,
861 "Checking sanity of your Linux distribution");
862#ifndef __FreeBSD__
863 if (system("which mkfs.vfat &> /dev/null")
864 && !system("which mkfs.msdos &> /dev/null")) {
865 log_it
866 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
867 run_program_and_log_output
868 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
869 }
870 mr_asprintf(&tmp,
871 call_program_and_get_last_line_of_output
872 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
873 if (atol(tmp) < 35000) {
874 retval++;
875 log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
876 }
877 if (atol(tmp) < 66000) {
878 log_to_screen
879 (_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
880 }
881 mr_free(tmp);
882#endif
883
884 Lres = free_space_on_given_partition(MONDO_CACHE);
885 log_it("Free space on given partition = %ld MB", Lres);
886
887 if (Lres < 50) {
888 fatal_error("Your "MONDO_CACHE" partition has <50MB free. Please adjust your partition table to something saner or make "MONDO_CACHE" a symbolic link");
889 }
890
891 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
892 retval++;
893 log_to_screen
894 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
895 fatal_error
896 ("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. :)");
897 }
898#ifndef __FreeBSD__
899 if (run_program_and_log_output
900 ("grep ramdisk /proc/devices", FALSE)) {
901 if (!ask_me_yes_or_no
902 (_("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?")))
903 {
904 // retval++;
905 log_to_screen
906 (_("It looks as if your kernel lacks ramdisk and initrd support."));
907 log_to_screen
908 (_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
909 }
910 }
911#endif
912 retval += whine_if_not_found(mr_conf->iso_creation_cmd);
913 retval += whine_if_not_found(mr_conf->iso_burning_cmd);
914 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
915 retval += whine_if_not_found("bzip2");
916 retval += whine_if_not_found("gzip");
917 retval += whine_if_not_found("awk");
918 retval += whine_if_not_found("md5sum");
919 retval += whine_if_not_found("strings");
920 retval += whine_if_not_found("mindi");
921 retval += whine_if_not_found("buffer");
922
923 // abort if Windows partition but no ms-sys and parted
924 if (!run_program_and_log_output
925 ("mount | grep -w vfat | grep -vE \"/dev/fd|nexdisk\"", 0)
926 ||
927 !run_program_and_log_output
928 ("mount | grep -w dos | grep -vE \"/dev/fd|nexdisk\"", 0)) {
929 log_to_screen(_("I think you have a Windows 9x partition."));
930 retval += whine_if_not_found("parted");
931#ifndef __IA64__
932 /* IA64 always has one vfat partition for EFI even without Windows */
933 // retval +=
934 if (!find_home_of_exe("ms-sys")) {
935 log_to_screen("Please install ms-sys just in case.");
936 }
937#endif
938 }
939
940 if (!find_home_of_exe("cmp")) {
941 if (!find_home_of_exe("true")) {
942 whine_if_not_found("cmp");
943 } else {
944 log_to_screen
945 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
946 if (run_program_and_log_output
947 ("cp -f `which true` /usr/bin/cmp", 0)) {
948 fatal_error("Failed to create dummy 'cmp' file.");
949 }
950 }
951 }
952 run_program_and_log_output
953 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
954 mr_asprintf(&tmp,
955 call_program_and_get_last_line_of_output
956 ("mount | grep -E \"cdr(om|w)\""));
957 if (strcmp("", tmp)) {
958 if (strstr(tmp, "autofs")) {
959 log_to_screen
960 (_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
961 log_to_screen
962 (_("if a CD actually is inserted. If a CD is inserted, please"));
963 log_to_screen(_("eject it. Thank you."));
964 log_it
965 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
966 } else
967 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
968 retval++;
969 fatal_error
970 ("Your CD-ROM drive is mounted. Please unmount it.");
971 }
972 }
973 mr_free(tmp);
974#ifndef __FreeBSD__
975 if (!does_file_exist("/etc/modules.conf")) {
976 if (does_file_exist("/etc/conf.modules")) {
977 log_it("Linking /etc/modules.conf to /etc/conf.modules");
978 run_program_and_log_output
979 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
980 } else if (does_file_exist("/etc/modprobe.d")) {
981 log_it
982 ("Directory /etc/modprobe.d found. mindi will use its contents.");
983 } else if (does_file_exist("/etc/modprobe.conf")) {
984 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
985 run_program_and_log_output
986 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
987 } else {
988 retval++;
989 log_to_screen
990 (_("Please find out what happened to /etc/modules.conf"));
991 }
992 }
993#endif
994
995 run_program_and_log_output("cat /etc/fstab", 5);
996#ifdef __FreeBSD__
997 run_program_and_log_output("vinum printconfig", 5);
998#else
999 run_program_and_log_output("cat /etc/raidtab", 5);
1000#endif
1001
1002 if (run_program_and_log_output("mindi -V", 1)) {
1003 log_to_screen(_("Could not ascertain mindi's version number."));
1004 log_to_screen
1005 (_("You have not installed Mondo and/or Mindi properly."));
1006 log_to_screen(_("Please uninstall and reinstall them both."));
1007 fatal_error("Please reinstall Mondo and Mindi.");
1008 }
1009 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1010 if (run_program_and_log_output(tmp, 5)) {
1011 log_to_screen(tmp);
1012 log_to_screen
1013 (_("failed for some reason."));
1014 log_to_screen
1015 (_("Please run that command by hand and examine /var/log/mindi.log"));
1016 log_to_screen
1017 (_("for more information. Perhaps your /etc/fstab file is insane."));
1018 log_to_screen
1019 (_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
1020 retval++;
1021 }
1022 mr_free(tmp);
1023
1024 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1025 && !does_file_exist("/etc/raidtab")) {
1026 log_to_screen
1027 (_("You have RAID partitions but no /etc/raidtab - creating one from "MDSTAT_FILE));
1028 create_raidtab_from_mdstat("/etc/raidtab");
1029 }
1030
1031 if (retval) {
1032 mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
1033 } else {
1034 mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
1035 }
1036 return (retval);
1037}
1038
1039/**
1040 * Retrieve the line containing @p label from the config file.
1041 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1042 * @param label What to read from the file.
1043 * @param value Where to put it.
1044 * @return 0 for success, 1 for failure.
1045 */
1046int read_cfg_var(char *config_file, char *label, char *value)
1047{
1048 /*@ buffer ****************************************************** */
1049 char *command = NULL;
1050 char *tmp = NULL;
1051
1052 /*@ end vars *************************************************** */
1053
1054 assert_string_is_neither_NULL_nor_zerolength(config_file);
1055 assert_string_is_neither_NULL_nor_zerolength(label);
1056
1057 if (!does_file_exist(config_file)) {
1058 mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1059 config_file);
1060 log_to_screen(tmp);
1061 mr_free(tmp);
1062 value[0] = '\0';
1063 return (1);
1064 /* } BERLIOS: Useless:
1065 else if (strstr(value, "/dev/") && strstr(value, "t0")
1066 && !strcmp(label, "media-dev")) {
1067 mr_msg(2, "FYI, I shan't read new value for %s - already got %s",
1068 label, value);
1069 return (0);
1070 */ } else {
1071 mr_asprintf(&command, "grep '%s .*' %s| cut -d'=' -f2,3,4,5",
1072 label, config_file);
1073 strcpy(value, call_program_and_get_last_line_of_output(command));
1074 mr_free(command);
1075 if (strlen(value) == 0) {
1076 return (1);
1077 } else {
1078 return (0);
1079 }
1080 }
1081}
1082
1083
1084/**
1085 * Remount @c supermount if it was unmounted earlier.
1086 */
1087void remount_supermounts_if_necessary()
1088{
1089 if (g_remount_cdrom_at_end) {
1090 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1091 }
1092}
1093
1094/**
1095 * Unmount @c supermount if it's mounted.
1096 */
1097void unmount_supermounts_if_necessary()
1098{
1099 if (run_program_and_log_output
1100 ("mount | grep cdrom | grep super", FALSE) == 0) {
1101 g_remount_cdrom_at_end = TRUE;
1102 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1103 }
1104}
1105
1106/**
1107 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1108 */
1109void mount_boot_if_necessary()
1110{
1111 char *tmp = NULL;
1112 char *tmp1 = NULL;
1113 char *command = NULL;
1114
1115 mr_msg(1, "Started sub");
1116 mr_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1117 g_boot_mountpt[0] = '\0';
1118 mr_msg(4, "Done. Great. Setting command to something");
1119 mr_asprintf(&command,
1120 "grep -v ':' /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1121 mr_msg(4, "Cool. Command = '%s'", command);
1122 mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1123 mr_free(command);
1124
1125 mr_msg(4, "tmp = '%s'", tmp);
1126 if (tmp[0]) {
1127 log_it("/boot is at %s according to /etc/fstab", tmp);
1128 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1129 if (!run_program_and_log_output("mount /boot", 5)) {
1130 strcpy(g_boot_mountpt, "/boot");
1131 mr_msg(1, "Mounted /boot");
1132 } else {
1133 log_it("...ignored cos it's a label or uuid :-)");
1134 }
1135 } else {
1136 mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
1137 mr_msg(3, "command = %s", command);
1138 if (run_program_and_log_output(command, 5)) {
1139 strcpy(g_boot_mountpt, tmp);
1140 mr_asprintf(&tmp1,
1141 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1142 g_boot_mountpt);
1143 log_it(tmp1);
1144 mr_free(tmp1);
1145
1146 mr_asprintf(&tmp1, "mount %s", g_boot_mountpt);
1147 if (run_program_and_log_output(tmp1, 5)) {
1148 g_boot_mountpt[0] = '\0';
1149 mr_msg(1, "Plan B");
1150 if (!run_program_and_log_output("mount /boot", 5)) {
1151 strcpy(g_boot_mountpt, "/boot");
1152 mr_msg(1, "Plan B worked");
1153 } else {
1154 mr_msg(1,
1155 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1156 }
1157 }
1158 mr_free(tmp1);
1159 }
1160 mr_free(command);
1161 }
1162 }
1163 mr_free(tmp);
1164 mr_msg(1, "Ended sub");
1165}
1166
1167
1168/**
1169 * If we mounted /boot earlier, unmount it.
1170 */
1171void unmount_boot_if_necessary()
1172{
1173 char *tmp;
1174
1175 mr_msg(3, "starting");
1176 if (g_boot_mountpt[0]) {
1177 mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
1178 if (run_program_and_log_output(tmp, 5)) {
1179 log_it("WARNING - unable to unmount /boot");
1180 }
1181 mr_free(tmp);
1182 }
1183 mr_msg(3, "leaving");
1184}
1185
1186
1187/**
1188 * Write a line to a configuration file. Writes a line of the form,
1189 * @c label @c value.
1190 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1191 * @param label What to call this bit of data you're writing.
1192 * @param value The bit of data you're writing.
1193 * @return 0 for success, 1 for failure.
1194 */
1195int write_cfg_var(char *config_file, char *label, char *value)
1196{
1197 /*@ buffers ***************************************************** */
1198 char *command = NULL;
1199 char *tempfile = NULL;
1200 char *tmp = NULL;
1201
1202
1203 /*@ end vars *************************************************** */
1204 assert_string_is_neither_NULL_nor_zerolength(config_file);
1205 assert_string_is_neither_NULL_nor_zerolength(label);
1206 assert(value != NULL);
1207
1208 if (!does_file_exist(config_file)) {
1209 mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1210 config_file);
1211 log_to_screen(tmp);
1212 mr_free(tmp);
1213 return (1);
1214 }
1215 mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1216 if (does_file_exist(config_file)) {
1217 mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
1218 label, config_file, tempfile);
1219 paranoid_system(command);
1220 mr_free(command);
1221 }
1222 mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1223 paranoid_system(command);
1224 mr_free(command);
1225
1226 mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
1227 paranoid_system(command);
1228 mr_free(command);
1229 unlink(tempfile);
1230 mr_free(tempfile);
1231 return (0);
1232}
1233
1234
1235/**
1236 * Allocate or free important globals, depending on @p mal.
1237 * @param mal If TRUE, malloc; if FALSE, free.
1238 */
1239void do_libmondo_global_strings_thing(int mal)
1240{
1241 if (mal) {
1242 malloc_string(g_boot_mountpt);
1243 malloc_string(g_tmpfs_mountpt);
1244 malloc_string(g_erase_tmpdir_and_scratchdir);
1245 malloc_string(g_serial_string);
1246 malloc_string(g_magicdev_command);
1247 } else {
1248 mr_free(g_boot_mountpt);
1249 mr_free(g_tmpfs_mountpt);
1250 mr_free(g_erase_tmpdir_and_scratchdir);
1251 mr_free(g_serial_string);
1252 mr_free(g_magicdev_command);
1253 }
1254}
1255
1256/**
1257 * Allocate important globals.
1258 * @see do_libmondo_global_strings_thing
1259 */
1260void malloc_libmondo_global_strings(void)
1261{
1262 do_libmondo_global_strings_thing(1);
1263}
1264
1265/**
1266 * Free important globals.
1267 * @see do_libmondo_global_strings_thing
1268 */
1269void free_libmondo_global_strings(void)
1270{
1271 do_libmondo_global_strings_thing(0);
1272}
1273
1274
1275
1276/**
1277 * Stop @c magicdev if it's running.
1278 * The command used to start it is saved in @p g_magicdev_command.
1279 */
1280void stop_magicdev_if_necessary()
1281{
1282 strcpy(g_magicdev_command,
1283 call_program_and_get_last_line_of_output
1284 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1285 if (g_magicdev_command[0]) {
1286 mr_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1287 paranoid_system("killall magicdev");
1288 }
1289}
1290
1291
1292/**
1293 * Restart magicdev if it was stopped.
1294 */
1295void restart_magicdev_if_necessary()
1296{
1297 char *tmp = NULL;
1298
1299 if (g_magicdev_command && g_magicdev_command[0]) {
1300 mr_asprintf(&tmp, "%s &", g_magicdev_command);
1301 paranoid_system(tmp);
1302 mr_free(tmp);
1303 }
1304}
1305
1306/* @} - end of utilityGroup */
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