source: MondoRescue/trunk/mondo/mondo/common/libmondo-tools.c@ 672

Last change on this file since 672 was 672, checked in by bcornec, 18 years ago

merge -r651:671 $SVN_M/branches/stable
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[58]1/* $Id: libmondo-tools.c 672 2006-06-12 07:55:14Z bcornec $
2misc tools
[1]3*/
4
5/**
6 * @file
7 * Miscellaneous tools that didn't really fit anywhere else.
8 */
9
10#include "my-stuff.h"
11#include "mondostructures.h"
12#include "libmondo-tools.h"
[507]13#include "newt-specific-EXT.h"
[1]14#include "libmondo-files-EXT.h"
15#include "libmondo-fork-EXT.h"
16#include "libmondo-raid-EXT.h"
17#include <sys/socket.h>
18#include <netdb.h>
19#include <netinet/in.h>
[146]20#ifndef S_SPLINT_S
[1]21#include <arpa/inet.h>
[146]22#endif
[1]23
24/*@unused@*/
[49]25//static char cvsid[] = "$Id: libmondo-tools.c 672 2006-06-12 07:55:14Z bcornec $";
[1]26
27extern int g_tape_buffer_size_MB;
28extern char *g_erase_tmpdir_and_scratchdir;
29extern char *g_serial_string;
30extern bool g_text_mode;
31extern int g_currentY;
32extern int g_current_media_number;
33
34/**
35 * @addtogroup globalGroup
36 * @{
37 */
[49]38bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
39 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
40bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]41double g_kernel_version;
42
43/**
[94]44 * The place where /boot is mounted. - Used locally only
[1]45 */
[94]46static char *g_boot_mountpt = NULL;
[1]47
48/**
49 * The location of Mondo's home directory.
50 */
[49]51char *g_mondo_home = NULL;
[1]52
53/**
54 * The serial string (used to differentiate between backups) of the current backup.
55 */
[49]56char *g_serial_string = NULL;
[1]57
58/**
59 * The location where tmpfs is mounted, or "" if it's not mounted.
60 */
[49]61char *g_tmpfs_mountpt = NULL;
62char *g_magicdev_command = NULL;
[1]63
64/**
65 * The default maximum level to log messages at or below.
66 */
[49]67int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]68
69/* @} - end of globalGroup */
70
71
72extern pid_t g_buffer_pid;
73extern pid_t g_main_pid;
74
75extern t_bkptype g_backup_media_type;
76
77extern bool am_I_in_disaster_recovery_mode(void);
78
79
80/**
81 * @addtogroup utilityGroup
82 * @{
83 */
84/**
85 * Assertion handler. Prints a friendly message to the user,
86 * offering to ignore all, dump core, break to debugger,
87 * exit, or ignore. Intended to be used with an assert() macro.
88 *
89 * @param file The file in which the assertion triggered.
90 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
91 * @param line The line number of the assert() statement.
92 * @param exp The expression that failed (as a string).
93 */
[49]94void _mondo_assert_fail(const char *file,
95 const char *function, int line, const char *exp)
[1]96{
[49]97 static int ignoring_assertions = 0;
98 bool is_valid = TRUE;
[1]99
[49]100 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
101 function);
102 if (ignoring_assertions) {
103 log_it("Well, the user doesn't care...");
104 return;
105 }
[1]106#ifndef _XWIN
[49]107 if (!g_text_mode)
108 newtSuspend();
[1]109#endif
[507]110 printf(_("ASSERTION FAILED: `%s'\n"), exp);
111 printf(_("\tat %s:%d in %s\n\n"), file, line, function);
112 printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[49]113 do {
114 is_valid = TRUE;
115 switch (toupper(getchar())) {
116 case 'A': // ignore (A)ll
117 ignoring_assertions = 1;
118 break;
119 case 'B': // a(B)ort
120 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
121 raise(SIGABRT);
122 break; /* "can't get here" */
123 case 'D': // (D)ebug, aka asm("int 3")
[1]124#ifdef __IA32__
[49]125 __asm__ __volatile__("int $3"); // break to debugger
[1]126#endif
[49]127 break;
128 case 'E': // (E)xit
129 fatal_error("Failed assertion -- see above for details");
130 break; /* "can't get here" */
131 case 'I': // (I)gnore
132 break;
133 /* These next two work as follows:
134 the `default' catches the user's invalid choice and says so;
135 the '\n' catches the newline on the end and prints the prompt again.
136 */
137 case '\n':
138 printf
[507]139 (_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[49]140 break;
141 default:
142 is_valid = FALSE;
[507]143 printf(_("Invalid choice.\n"));
[49]144 break;
145 }
146 } while (!is_valid);
147
148 if (ignoring_assertions) {
149 log_it("Ignoring ALL assertions from now on.");
150 } else {
151 log_it("Ignoring assertion: %s", exp);
[1]152 }
153
[49]154 getchar(); // skip \n
[1]155
156#ifndef _XWIN
[49]157 if (!g_text_mode)
158 newtResume();
[1]159#endif
160}
161
162/**
163 * Clean's up users' KDE desktops.
164 * @bug Details about this function are unknown.
165 */
166void clean_up_KDE_desktop_if_necessary(void)
167{
[49]168 char *tmp;
[1]169
[94]170 asprintf(&tmp,
[127]171 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]172file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[274]173awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[276]174else { print $0;};}' $file.old > $file ; fi ; done");
[49]175 run_program_and_log_output(tmp, 5);
176 paranoid_free(tmp);
[1]177}
178
179
180/**
181 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
182 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
183 *
184 * @param home_sz String to store the home directory ("" if it could not be found).
185 * @return 0 for success, nonzero for failure.
186 */
[94]187char *find_and_store_mondoarchives_home()
[1]188{
[94]189 char *home_sz = NULL;
190
[426]191 asprintf(&home_sz, MONDO_SHARE);
[94]192 return (home_sz);
[1]193}
194
195
196char *get_architecture()
197{
198#ifdef __IA32__
[49]199 return ("i386");
[1]200#endif
[94]201#ifdef __X86_64__
202 return ("x86-64");
203#endif
[1]204#ifdef __IA64__
[49]205 return ("ia64");
[1]206#endif
[49]207 return ("unknown");
[1]208}
209
210
211
212double get_kernel_version()
213{
[94]214 char *p, *tmp;
[49]215 double d;
[1]216#ifdef __FreeBSD__
[49]217 // JOSH - FIXME :)
218 d = 5.2; // :-)
[1]219#else
[94]220 asprintf(&tmp, call_program_and_get_last_line_of_output("uname -r"));
[49]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 }
[1]231// log_msg(1, "tmp = '%s'", tmp);
[49]232 d = atof(tmp);
[1]233#endif
[49]234 log_msg(1, "g_kernel_version = %f", d);
235 return (d);
[1]236}
237
238
239
240
241
242/**
243 * Get the current time.
244 * @return number of seconds since the epoch.
245 */
[49]246long get_time()
[1]247{
[49]248 return (long) time((void *) 0);
[1]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__
[49]265void initialize_raidrec(struct vinum_volume *raidrec)
[1]266{
[49]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 }
[1]278}
279#else
[49]280void initialize_raidrec(struct raid_device_record *raidrec)
[1]281{
[49]282 assert(raidrec != NULL);
283 raidrec->raid_device[0] = '\0';
[561]284 raidrec->raid_level = -9;
[49]285 raidrec->persistent_superblock = 1;
[561]286 raidrec->chunk_size = 64;
287 raidrec->parity = -1;
[49]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;
[1]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__
[49]307 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
308 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]309#else
[94]310 system("modprobe -a dos fat vfat loop &> /dev/null");
[1]311#endif
312}
313
314
315/**
316 * Finish configuring the backup information structure. Call this function
317 * to set the parameters that depend on those that can be given on the command
318 * line.
319 *
320 * @param bkpinfo The backup information structure. Fields modified/used:
321 * - Used: @c bkpinfo->backup_data
322 * - Used: @c bkpinfo->backup_media_type
323 * - Used: @c bkpinfo->cdrw_speed
324 * - Used: @c bkpinfo->compression_level
325 * - Used: @c bkpinfo->include_paths
[20]326 * - Used: @c bkpinfo->prefix
[1]327 * - Used: @c bkpinfo->isodir
328 * - Used: @c bkpinfo->manual_cd_tray
329 * - Used: @c bkpinfo->make_cd_use_lilo
330 * - Used: @c bkpinfo->media_device
331 * - Used: @c bkpinfo->nfs_mount
332 * - Used: @c bkpinfo->nonbootable_backup
333 * - Used: @c bkpinfo->scratchdir
334 * - Used: @c bkpinfo->tmpdir
335 * - Used: @c bkpinfo->use_lzo
336 * - Modified: @c bkpinfo->call_before_iso
337 * - Modified: @c bkpinfo->call_make_iso
338 * - Modified: @c bkpinfo->optimal_set_size
339 * - Modified: @c bkpinfo->zip_exe
340 * - Modified: @c bkpinfo->zip_suffix
341 *
342 * @return number of errors, or 0 for success.
343 * @note Also creates directories that are specified in the @c bkpinfo structure but
344 * do not exist.
345 */
[49]346int post_param_configuration(struct s_bkpinfo *bkpinfo)
[1]347{
[94]348 char *extra_cdrom_params = NULL;
349 char *mondo_mkisofs_sz = NULL;
[49]350 char *command;
351 char *hostname, *ip_address;
352 int retval = 0;
353 long avm = 0;
354 char *colon;
355 char *cdr_exe;
356 char *tmp;
[94]357 char *tmp1;
[164]358 char call_before_iso_user[MAX_STR_LEN] = "\0";
[49]359 int rdsiz_MB;
360 char *iso_path;
[1]361
[49]362 assert(bkpinfo != NULL);
363 bkpinfo->optimal_set_size =
364 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
365 1024;
[1]366
[49]367 log_msg(1, "Foo");
368 if (bkpinfo->backup_media_type == tape) {
369 log_msg(1, "Bar");
[94]370 asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
[49]371 log_msg(1, "tmp = '%s'", tmp);
372 if (run_program_and_log_output(tmp, 3)) {
373 fatal_error
374 ("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.");
375 }
[94]376 paranoid_free(tmp);
[1]377 }
[49]378 make_hole_for_dir(bkpinfo->scratchdir);
379 make_hole_for_dir(bkpinfo->tmpdir);
380 if (bkpinfo->backup_media_type == iso)
381 make_hole_for_dir(bkpinfo->isodir);
[1]382
[49]383 run_program_and_log_output("uname -a", 5);
384 run_program_and_log_output("cat /etc/*issue*", 5);
[94]385 asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
386 asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
[49]387 paranoid_system(command);
[94]388 paranoid_free(command);
[49]389 rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
[1]390#ifdef __FreeBSD__
[94]391 asprintf(&tmp,
[127]392 call_program_and_get_last_line_of_output
393 ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
[49]394 avm += atol(tmp);
[94]395 paranoid_free(tmp);
396 asprintf(&tmp,
[127]397 call_program_and_get_last_line_of_output
398 ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
[49]399 avm += atol(tmp);
[94]400 paranoid_free(tmp);
401 asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
[127]402 g_tmpfs_mountpt);
[1]403#else
[94]404 asprintf(&tmp,
[127]405 call_program_and_get_last_line_of_output
406 ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
[49]407 avm += atol(tmp);
[94]408 paranoid_free(tmp);
409 asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
[127]410 g_tmpfs_mountpt, rdsiz_MB, 'm');
[49]411 run_program_and_log_output("cat /proc/cpuinfo", 5);
[94]412 /* BERLIOS: rpm is not necessarily there ! */
[49]413 run_program_and_log_output
414 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
415 5);
[1]416#endif
[49]417 if (avm / 1024 > rdsiz_MB * 3) {
418 if (run_program_and_log_output(command, 5)) {
419 g_tmpfs_mountpt[0] = '\0';
420 log_it("Failed to mount tmpfs");
421 } else {
422 log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
423 }
424 } else {
425 g_tmpfs_mountpt[0] = '\0';
426 log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
[1]427 }
[94]428 paranoid_free(command);
[49]429
430 if (bkpinfo->use_lzo) {
431 strcpy(bkpinfo->zip_exe, "lzop");
432 strcpy(bkpinfo->zip_suffix, "lzo");
433 } else if (bkpinfo->compression_level != 0) {
434 strcpy(bkpinfo->zip_exe, "bzip2");
435 strcpy(bkpinfo->zip_suffix, "bz2");
436 } else {
437 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]438 }
439
440// DVD
441
[49]442 if (bkpinfo->backup_media_type == dvd) {
[127]443 if (!(find_home_of_exe("growisofs"))) {
[49]444 fatal_error("Please install growisofs.");
445 }
446 if (bkpinfo->nonbootable_backup) {
[94]447 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[49]448 } else if
[1]449#ifdef __FreeBSD__
[49]450 (TRUE)
[1]451#else
[49]452 (bkpinfo->make_cd_use_lilo)
[1]453#endif
454#ifdef __IA64__
[49]455 {
[94]456 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[49]457 }
[1]458#else
459 {
[94]460 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]461 }
[49]462#endif
463 else
464 {
[94]465 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[49]466 }
467 if (bkpinfo->manual_cd_tray) {
468 fatal_error("Manual CD tray + DVD not supported yet.");
469 // -m isn't supported by growisofs, BTW...
470 } else {
471 sprintf(bkpinfo->call_make_iso,
472 "%s %s -Z %s . 2>> _ERR_",
[127]473 mondo_mkisofs_sz, "", bkpinfo->media_device);
[49]474 }
[94]475 paranoid_free(mondo_mkisofs_sz);
476
[89]477 if (getenv("SUDO_COMMAND")) {
478 fatal_error
479 ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
[72]480 }
[49]481 log_msg(2, "call_make_iso (DVD res) is ... %s",
482 bkpinfo->call_make_iso);
483 } // end of DVD code
[1]484
485// CD-R or CD-RW
[49]486 if (bkpinfo->backup_media_type == cdrw
487 || bkpinfo->backup_media_type == cdr) {
488 if (!bkpinfo->manual_cd_tray) {
[94]489 asprintf(&extra_cdrom_params, "-waiti ");
[49]490 }
491 if (bkpinfo->backup_media_type == cdrw) {
[94]492 if (extra_cdrom_params != NULL) {
493 asprintf(&tmp, extra_cdrom_params);
494 paranoid_free(extra_cdrom_params);
495 asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
496 } else {
497 asprintf(&extra_cdrom_params, "blank=fast ");
498 }
[49]499 }
500 if (find_home_of_exe("cdrecord")) {
[94]501 asprintf(&cdr_exe, "cdrecord");
[49]502 } else if (find_home_of_exe("dvdrecord")) {
[94]503 asprintf(&cdr_exe, "dvdrecord");
[49]504 } else {
505 fatal_error("Please install either cdrecord or dvdrecord.");
506 }
507 if (bkpinfo->nonbootable_backup) {
[672]508 asprintf(&mondo_mkisofs_sz, "%s -r -p MondoRescue -publisher www.mondorescue.org -A Mondo_Rescue_GPL_Version -V _CD#_", mrconf->mondo_iso_creation_cmd);
[49]509 } else if
[1]510#ifdef __FreeBSD__
[49]511 (TRUE)
[1]512#else
[49]513 (bkpinfo->make_cd_use_lilo)
[1]514#endif
515#ifdef __IA64__
516 {
[94]517 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]518 }
[49]519#else
[1]520 {
[94]521 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]522 }
[49]523#endif
524 else
525 {
[94]526 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
[49]527 }
528 if (bkpinfo->manual_cd_tray) {
[164]529 if (bkpinfo->call_before_iso[0] == '\0') {
[49]530 sprintf(bkpinfo->call_before_iso,
[164]531 "%s -o %s/temporary.iso . 2>> _ERR_",
532 mondo_mkisofs_sz, bkpinfo->tmpdir);
533 } else {
534 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
535 sprintf (bkpinfo->call_before_iso,
536 "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
537 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
538 }
539 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[49]540 sprintf(bkpinfo->call_make_iso,
541 "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
542 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
543 extra_cdrom_params, bkpinfo->media_device,
544 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
545 } else {
546 sprintf(bkpinfo->call_make_iso,
547 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
548 mondo_mkisofs_sz, cdr_exe,
549 (bkpinfo->please_dont_eject) ? " " : "-eject",
550 extra_cdrom_params, bkpinfo->media_device,
551 bkpinfo->cdrw_speed);
552 }
[94]553 paranoid_free(mondo_mkisofs_sz);
554 paranoid_free(cdr_exe);
555 paranoid_free(extra_cdrom_params);
[49]556 } // end of CD code
[1]557
[49]558 if (bkpinfo->backup_media_type == iso) {
559
[1]560/* Patch by Conor Daly <conor.daly@met.ie>
561 * 23-june-2004
562 * Break up isodir into iso_mnt and iso_path
563 * These will be used along with iso-dev at restore time
564 * to locate the ISOs where ever they're mounted
565 */
566
[49]567 log_it("isodir = %s", bkpinfo->isodir);
[166]568 asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
[127]569 bkpinfo->isodir);
[49]570 log_it("command = %s", command);
[94]571 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
572 paranoid_free(command);
573 log_it("res of it = %s", tmp);
574 asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
575 write_one_liner_data_file(tmp1, tmp);
576 paranoid_free(tmp1);
[1]577
[94]578 asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
[127]579 tmp);
[94]580 paranoid_free(tmp);
[49]581 log_it("command = %s", command);
[94]582 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
583 paranoid_free(command);
584 log_it("res of it = %s", tmp);
585
586 asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
587 write_one_liner_data_file(tmp1, tmp);
588 paranoid_free(tmp1);
589
590 log_it("isomnt: %s, %d", tmp, strlen(tmp));
591 if (strlen(bkpinfo->isodir) < strlen(tmp)) {
[171]592 asprintf(&iso_path, " ");
[49]593 } else {
[94]594 asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
[49]595 }
[94]596 paranoid_free(tmp);
597
598 asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
[49]599 write_one_liner_data_file(tmp, iso_path);
[94]600 paranoid_free(tmp);
[49]601 log_it("isodir: %s", iso_path);
[94]602 paranoid_free(iso_path);
[149]603 asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
604 write_one_liner_data_file(tmp, bkpinfo->prefix);
605 log_it("iso-prefix: %s", bkpinfo->prefix);
606 paranoid_free(tmp);
[1]607/* End patch */
[49]608 } // end of iso code
[1]609
[49]610 if (bkpinfo->backup_media_type == nfs) {
[94]611 asprintf(&hostname, bkpinfo->nfs_mount);
[49]612 colon = strchr(hostname, ':');
613 if (!colon) {
614 log_it("nfs mount doesn't have a colon in it");
615 retval++;
616 } else {
617 struct hostent *hent;
[1]618
[49]619 *colon = '\0';
620 hent = gethostbyname(hostname);
621 if (!hent) {
622 log_it("Can't resolve NFS mount (%s): %s", hostname,
623 hstrerror(h_errno));
624 retval++;
625 } else {
[94]626 asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
[127]627 *((struct in_addr
628 *) hent->
629 h_addr)),
630 strchr(bkpinfo->nfs_mount, ':'));
[49]631 strcpy(bkpinfo->nfs_mount, ip_address);
[94]632 paranoid_free(ip_address);
[49]633 }
634 }
[89]635 store_nfs_config(bkpinfo);
[94]636 paranoid_free(hostname);
[49]637 }
[1]638
[49]639 log_it("Finished processing incoming params");
640 if (retval) {
641 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
642 }
[94]643 asprintf(&tmp, "%s", MONDO_TMPISOS);
[49]644 if (does_file_exist(tmp)) {
645 unlink(tmp);
646 }
[94]647 paranoid_free(tmp);
648
[49]649 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
650 log_it("tmpdir or scratchdir are blank/missing");
651 retval++;
652 }
653 if (bkpinfo->include_paths[0] == '\0') {
654 // fatal_error ("Why no backup path?");
655 strcpy(bkpinfo->include_paths, "/");
656 }
657 chmod(bkpinfo->scratchdir, 0700);
658 chmod(bkpinfo->tmpdir, 0700);
659 g_backup_media_type = bkpinfo->backup_media_type;
660 return (retval);
[1]661}
662
663
664
665/**
666 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
667 * Seeds the random-number generator, loads important modules, checks the sanity
668 * of the user's Linux distribution, and deletes logfile.
669 * @param bkpinfo The backup information structure. Will be initialized.
670 * @return number of errors (0 for success)
671 */
672int pre_param_configuration(struct s_bkpinfo *bkpinfo)
673{
[49]674 int res = 0;
[1]675
[49]676 make_hole_for_dir(MNT_CDROM);
677 assert(bkpinfo != NULL);
678 srandom((unsigned long) (time(NULL)));
679 insmod_crucial_modules();
680 reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
681 if (bkpinfo->disaster_recovery) {
682 if (!does_nonMS_partition_exist()) {
683 fatal_error
684 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
685 }
686 }
[1]687
[49]688 unlink(MONDO_TRACEFILE);
689 run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
[94]690 if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
[49]691 fprintf(stderr,
692 "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");
693 res++;
694 return (res);
695 }
696 res += some_basic_system_sanity_checks();
697 if (res) {
698 log_it("Your distribution did not pass Mondo's sanity test.");
699 }
700 g_current_media_number = 1;
701 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
702 return (res);
[1]703}
704
705
706
707
708/**
709 * Reset all fields of the backup information structure to a sensible default.
710 * @param bkpinfo The @c bkpinfo to reset.
711 */
[49]712void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
[1]713{
[49]714 int i;
[1]715
[49]716 log_msg(1, "Hi");
717 assert(bkpinfo != NULL);
718 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
719 bkpinfo->manual_cd_tray = FALSE;
720 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[171]721 paranoid_free(bkpinfo->media_device);
[49]722 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
723 bkpinfo->media_size[i] = -1;
724 }
725 bkpinfo->boot_loader = '\0';
726 bkpinfo->boot_device[0] = '\0';
727 bkpinfo->zip_exe[0] = '\0';
728 bkpinfo->zip_suffix[0] = '\0';
729 bkpinfo->restore_path[0] = '\0';
730 bkpinfo->use_lzo = FALSE;
731 bkpinfo->do_not_compress_these[0] = '\0';
732 bkpinfo->verify_data = FALSE;
733 bkpinfo->backup_data = FALSE;
734 bkpinfo->restore_data = FALSE;
735 bkpinfo->disaster_recovery =
736 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
737 if (bkpinfo->disaster_recovery) {
738 strcpy(bkpinfo->isodir, "/");
739 } else {
[539]740 strcpy(bkpinfo->isodir, "/var/cache/mondo/iso");
[49]741 }
[149]742 strcpy(bkpinfo->prefix, STD_PREFIX);
[1]743
[49]744 bkpinfo->scratchdir[0] = '\0';
745 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
746 sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
747 bkpinfo->optimal_set_size = 0;
748 bkpinfo->backup_media_type = none;
749 strcpy(bkpinfo->include_paths, "/");
750 bkpinfo->exclude_paths[0] = '\0';
751 bkpinfo->call_before_iso[0] = '\0';
752 bkpinfo->call_make_iso[0] = '\0';
753 bkpinfo->call_burn_iso[0] = '\0';
754 bkpinfo->call_after_iso[0] = '\0';
755 bkpinfo->image_devs[0] = '\0';
756 bkpinfo->postnuke_tarball[0] = '\0';
757 bkpinfo->kernel_path[0] = '\0';
758 bkpinfo->nfs_mount[0] = '\0';
759 bkpinfo->nfs_remote_dir[0] = '\0';
760 bkpinfo->wipe_media_first = FALSE;
761 bkpinfo->differential = FALSE;
762 bkpinfo->cdrw_speed = 0;
[1]763// patch by Herman Kuster
[49]764 bkpinfo->differential = 0;
[1]765// patch end
[49]766 bkpinfo->compression_level = 3;
[1]767}
768
769
770
771
772/**
773 * Get the remaining free space (in MB) on @p partition.
774 * @param partition The partition to check free space on (either a device or a mountpoint).
775 * @return The free space on @p partition, in MB.
776 */
[49]777long free_space_on_given_partition(char *partition)
[1]778{
[94]779 char *command, *out_sz;
[49]780 long res;
[1]781
[49]782 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]783
[309]784 asprintf(&command, "df -m -P %s &> /dev/null", partition);
[49]785 if (system(command)) {
786 return (-1);
787 } // partition does not exist
[94]788 paranoid_free(command);
789
[309]790 asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
[127]791 partition);
[94]792 asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
793 paranoid_free(command);
[49]794 if (strlen(out_sz) == 0) {
795 return (-1);
796 } // error within df, probably
797 res = atol(out_sz);
[94]798 paranoid_free(out_sz);
[49]799 return (res);
[1]800}
801
802
803
804/**
805 * Check the user's system for sanity. Checks performed:
806 * - make sure user has enough RAM (32mb required, 64mb recommended)
807 * - make sure user has enough free space in @c /
808 * - check kernel for ramdisk support
809 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
810 * - make sure CD-ROM is unmounted
811 * - make sure /etc/modules.conf exists
812 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
813 *
814 * @return number of problems with the user's setup (0 for success)
815 */
[49]816int some_basic_system_sanity_checks()
[1]817{
818
[49]819 /*@ buffers ************ */
[94]820 char *tmp;
[1]821
[49]822 /*@ int's *************** */
823 int retval = 0;
824 long Lres;
[1]825
826
[49]827 mvaddstr_and_log_it(g_currentY, 0,
828 "Checking sanity of your Linux distribution");
[1]829#ifndef __FreeBSD__
[49]830 if (system("which mkfs.vfat &> /dev/null")
831 && !system("which mkfs.msdos &> /dev/null")) {
832 log_it
833 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
834 run_program_and_log_output
835 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
836 }
[94]837 asprintf(&tmp,
[127]838 call_program_and_get_last_line_of_output
839 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
[49]840 if (atol(tmp) < 35000) {
841 retval++;
[507]842 log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
[49]843 }
844 if (atol(tmp) < 66000) {
845 log_to_screen
[507]846 (_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
[49]847 }
[94]848 paranoid_free(tmp);
[1]849#endif
850
[539]851 if ((Lres = free_space_on_given_partition("/var/cache/mondo")) == -1) /* {
[49]852 Lres = free_space_on_given_partition("/");
853 }
[539]854 */
[49]855 log_it("Free space on given partition = %ld MB", Lres);
[1]856
[49]857 if (Lres < 50) {
[539]858 fatal_error("Your /var/cache/mondo partition has <50MB free. Please adjust your partition table to something saner.");
[49]859 }
[1]860
[49]861 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
862 retval++;
863 log_to_screen
864 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
865 fatal_error
866 ("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. :)");
867 }
[1]868#ifndef __FreeBSD__
[49]869 if (run_program_and_log_output
[274]870 ("grep ramdisk /proc/devices", FALSE)) {
[49]871 if (!ask_me_yes_or_no
[507]872 (_("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?")))
[49]873 {
874 // retval++;
875 log_to_screen
[507]876 (_("It looks as if your kernel lacks ramdisk and initrd support."));
[49]877 log_to_screen
[507]878 (_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
[49]879 }
880 }
[1]881#endif
[49]882 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
883 retval += whine_if_not_found("mkisofs");
884 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
885 retval += whine_if_not_found("cdrecord");
886 }
887 retval += whine_if_not_found("bzip2");
888 retval += whine_if_not_found("awk");
889 retval += whine_if_not_found("md5sum");
890 retval += whine_if_not_found("strings");
891 retval += whine_if_not_found("mindi");
892 retval += whine_if_not_found("buffer");
[1]893
[49]894 // abort if Windows partition but no ms-sys and parted
895 if (!run_program_and_log_output
896 ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
897 ||
898 !run_program_and_log_output
899 ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
[507]900 log_to_screen(_("I think you have a Windows 9x partition."));
[49]901 retval += whine_if_not_found("parted");
[1]902#ifndef __IA64__
[49]903 /* IA64 always has one vfat partition for EFI even without Windows */
904 // retval +=
905 if (!find_home_of_exe("ms-sys")) {
[507]906 log_to_screen(_("Please install ms-sys just in case."));
[49]907 }
908#endif
[1]909 }
910
[49]911 if (!find_home_of_exe("cmp")) {
912 if (!find_home_of_exe("true")) {
913 whine_if_not_found("cmp");
914 } else {
915 log_to_screen
[507]916 (_("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you."));
[49]917 if (run_program_and_log_output
918 ("cp -f `which true` /usr/bin/cmp", 0)) {
919 fatal_error("Failed to create dummy 'cmp' file.");
920 }
921 }
[1]922 }
[49]923 run_program_and_log_output
924 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[94]925 asprintf(&tmp,
[127]926 call_program_and_get_last_line_of_output
927 ("mount | grep -E \"cdr(om|w)\""));
[49]928 if (strcmp("", tmp)) {
929 if (strstr(tmp, "autofs")) {
930 log_to_screen
[507]931 (_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
[49]932 log_to_screen
[507]933 (_("if a CD actually is inserted. If a CD is inserted, please"));
934 log_to_screen(_("eject it. Thank you."));
[49]935 log_it
936 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
937 } else
938 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
939 retval++;
940 fatal_error
941 ("Your CD-ROM drive is mounted. Please unmount it.");
942 }
943 }
[94]944 paranoid_free(tmp);
[1]945#ifndef __FreeBSD__
[49]946 if (!does_file_exist("/etc/modules.conf")) {
947 if (does_file_exist("/etc/conf.modules")) {
948 log_it("Linking /etc/modules.conf to /etc/conf.modules");
949 run_program_and_log_output
950 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
951 } else if (does_file_exist("/etc/modprobe.d")) {
952 log_it
953 ("Directory /etc/modprobe.d found. mindi will use its contents.");
954 } else if (does_file_exist("/etc/modprobe.conf")) {
955 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
956 run_program_and_log_output
957 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
958 } else {
959 retval++;
960 log_to_screen
[507]961 (_("Please find out what happened to /etc/modules.conf"));
[49]962 }
[1]963 }
964#endif
965
[49]966 run_program_and_log_output("cat /etc/fstab", 5);
[1]967#ifdef __FreeBSD__
[49]968 run_program_and_log_output("vinum printconfig", 5);
[1]969#else
[49]970 run_program_and_log_output("cat /etc/raidtab", 5);
[1]971#endif
972
[49]973 if (run_program_and_log_output("mindi -V", 1)) {
[507]974 log_to_screen(_("Could not ascertain mindi's version number."));
[49]975 log_to_screen
[507]976 (_("You have not installed Mondo and/or Mindi properly."));
977 log_to_screen(_("Please uninstall and reinstall them both."));
[49]978 fatal_error("Please reinstall Mondo and Mindi.");
979 }
980 if (run_program_and_log_output
981 ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
982 log_to_screen
[507]983 (_("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason."));
[49]984 log_to_screen
[507]985 (_("Please run that command by hand and examine /var/log/mindi.log"));
[49]986 log_to_screen
[507]987 (_("for more information. Perhaps your /etc/fstab file is insane."));
[49]988 log_to_screen
[507]989 (_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
[49]990 retval++;
991 }
[1]992
[197]993 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
[49]994 && !does_file_exist("/etc/raidtab")) {
995 log_to_screen
[507]996 (_("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat"));
[561]997 create_raidtab_from_mdstat("/etc/raidtab");
[49]998 }
999
1000 if (retval) {
[507]1001 mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
[49]1002 } else {
[507]1003 mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
[49]1004 }
1005 return (retval);
[1]1006}
1007
1008/**
1009 * Retrieve the line containing @p label from the config file.
1010 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1011 * @param label What to read from the file.
1012 * @param value Where to put it.
1013 * @return 0 for success, 1 for failure.
1014 */
[49]1015int read_cfg_var(char *config_file, char *label, char *value)
[1]1016{
[49]1017 /*@ buffer ****************************************************** */
[94]1018 char *command;
1019 char *tmp;
[1]1020
[49]1021 /*@ end vars *************************************************** */
[1]1022
[49]1023 assert_string_is_neither_NULL_nor_zerolength(config_file);
1024 assert_string_is_neither_NULL_nor_zerolength(label);
1025 if (!does_file_exist(config_file)) {
[94]1026 asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
[127]1027 config_file);
[49]1028 log_to_screen(tmp);
[94]1029 paranoid_free(tmp);
[49]1030 value[0] = '\0';
1031 return (1);
1032 } else if (strstr(value, "/dev/") && strstr(value, "t0")
1033 && !strcmp(label, "media-dev")) {
1034 log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1035 label, value);
1036 return (0);
1037 } else {
[149]1038 asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1039 label, config_file);
[49]1040 strcpy(value, call_program_and_get_last_line_of_output(command));
[94]1041 paranoid_free(command);
[49]1042 if (strlen(value) == 0) {
1043 return (1);
1044 } else {
1045 return (0);
1046 }
[1]1047 }
1048}
1049
1050
1051
1052/**
1053 * Remount @c supermount if it was unmounted earlier.
1054 */
1055void remount_supermounts_if_necessary()
1056{
[49]1057 if (g_remount_cdrom_at_end) {
1058 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1059 }
1060 if (g_remount_floppy_at_end) {
1061 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1062 }
[1]1063}
1064
1065/**
1066 * Unmount @c supermount if it's mounted.
1067 */
1068void unmount_supermounts_if_necessary()
1069{
[49]1070 if (run_program_and_log_output
1071 ("mount | grep cdrom | grep super", FALSE) == 0) {
1072 g_remount_cdrom_at_end = TRUE;
1073 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1074 }
1075 if (run_program_and_log_output
1076 ("mount | grep floppy | grep super", FALSE) == 0) {
1077 g_remount_floppy_at_end = TRUE;
1078 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1079 }
[1]1080}
1081
1082/**
1083 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1084 */
1085void mount_boot_if_necessary()
1086{
[94]1087 char *tmp;
1088 char *tmp1;
1089 char *command;
[1]1090
[49]1091 log_msg(1, "Started sub");
[94]1092 log_msg(4, "About to set g_boot_mountpt to \"\"");
1093 asprintf(&g_boot_mountpt, "");
[49]1094 log_msg(4, "Done. Great. Seeting command to something");
[94]1095 asprintf(&command,
[274]1096 "grep -v \":\" /etc/fstab | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[49]1097 log_msg(4, "Cool. Command = '%s'", command);
[94]1098 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1099 paranoid_free(command);
1100
[49]1101 log_msg(4, "tmp = '%s'", tmp);
1102 if (tmp[0]) {
1103 log_it("/boot is at %s according to /etc/fstab", tmp);
1104 if (strstr(tmp, "LABEL=")) {
1105 if (!run_program_and_log_output("mount /boot", 5)) {
[94]1106 paranoid_free(g_boot_mountpt);
1107 asprintf(&g_boot_mountpt, "/boot");
[49]1108 log_msg(1, "Mounted /boot");
1109 } else {
1110 log_it("...ignored cos it's a label :-)");
1111 }
1112 } else {
[94]1113 asprintf(&command, "mount | grep -w \"%s\"", tmp);
[49]1114 log_msg(3, "command = %s", command);
1115 if (run_program_and_log_output(command, 5)) {
[94]1116 paranoid_free(g_boot_mountpt);
1117 asprintf(&g_boot_mountpt, tmp);
1118 asprintf(&tmp1,
[127]1119 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1120 g_boot_mountpt);
[94]1121 log_it(tmp1);
1122 paranoid_free(tmp1);
1123
1124 asprintf(&tmp1, "mount %s", g_boot_mountpt);
1125 if (run_program_and_log_output(tmp1, 5)) {
1126 paranoid_free(g_boot_mountpt);
[171]1127 asprintf(&g_boot_mountpt, " ");
[49]1128 log_msg(1, "Plan B");
1129 if (!run_program_and_log_output("mount /boot", 5)) {
[94]1130 paranoid_free(g_boot_mountpt);
1131 asprintf(&g_boot_mountpt, "/boot");
[49]1132 log_msg(1, "Plan B worked");
1133 } else {
1134 log_msg(1,
1135 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1136 }
1137 }
[94]1138 paranoid_free(tmp1);
[49]1139 }
[94]1140 paranoid_free(command);
[49]1141 }
[1]1142 }
[94]1143 paranoid_free(tmp);
[49]1144 log_msg(1, "Ended sub");
[1]1145}
1146
1147
1148/**
1149 * If we mounted /boot earlier, unmount it.
1150 */
1151void unmount_boot_if_necessary()
1152{
[94]1153 char *tmp;
[1]1154
[49]1155 log_msg(3, "starting");
1156 if (g_boot_mountpt[0]) {
[94]1157 asprintf(&tmp, "umount %s", g_boot_mountpt);
[49]1158 if (run_program_and_log_output(tmp, 5)) {
1159 log_it("WARNING - unable to unmount /boot");
1160 }
[94]1161 paranoid_free(tmp);
[49]1162 }
1163 log_msg(3, "leaving");
[1]1164}
1165
1166
1167
1168/**
1169 * Write a line to a configuration file. Writes a line of the form,
1170 * @c label @c value.
1171 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1172 * @param label What to call this bit of data you're writing.
1173 * @param value The bit of data you're writing.
1174 * @return 0 for success, 1 for failure.
1175 */
[49]1176int write_cfg_var(char *config_file, char *label, char *value)
[1]1177{
[49]1178 /*@ buffers ***************************************************** */
[94]1179 char *command;
1180 char *tempfile;
1181 char *tmp;
[1]1182
1183
[49]1184 /*@ end vars *************************************************** */
1185 assert_string_is_neither_NULL_nor_zerolength(config_file);
1186 assert_string_is_neither_NULL_nor_zerolength(label);
1187 assert(value != NULL);
[94]1188
[49]1189 if (!does_file_exist(config_file)) {
[94]1190 asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
[127]1191 config_file);
[49]1192 log_to_screen(tmp);
[94]1193 paranoid_free(tmp);
[49]1194 return (1);
1195 }
[94]1196 asprintf(&tempfile,
[127]1197 call_program_and_get_last_line_of_output
1198 ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
[49]1199 if (does_file_exist(config_file)) {
[149]1200 asprintf(&command, "grep -vx '%s .*' %s > %s",
1201 label, config_file, tempfile);
[49]1202 paranoid_system(command);
[94]1203 paranoid_free(command);
[49]1204 }
[94]1205 asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
[49]1206 paranoid_system(command);
[94]1207 paranoid_free(command);
1208
1209 asprintf(&command, "mv -f %s %s", tempfile, config_file);
[49]1210 paranoid_system(command);
[94]1211 paranoid_free(command);
[49]1212 unlink(tempfile);
[94]1213 paranoid_free(tempfile);
[49]1214 return (0);
[1]1215}
1216
1217/**
1218 * Allocate or free important globals, depending on @p mal.
1219 * @param mal If TRUE, malloc; if FALSE, free.
1220 */
1221void do_libmondo_global_strings_thing(int mal)
1222{
[49]1223 if (mal) {
1224 iamhere("Malloc'ing globals");
1225 malloc_string(g_erase_tmpdir_and_scratchdir);
1226 malloc_string(g_serial_string);
1227 malloc_string(g_magicdev_command);
1228 } else {
1229 iamhere("Freeing globals");
1230 paranoid_free(g_boot_mountpt);
1231 paranoid_free(g_mondo_home);
1232 paranoid_free(g_tmpfs_mountpt);
1233 paranoid_free(g_erase_tmpdir_and_scratchdir);
1234 paranoid_free(g_serial_string);
1235 paranoid_free(g_magicdev_command);
1236 }
[1]1237}
1238
1239/**
1240 * Allocate important globals.
1241 * @see do_libmondo_global_strings_thing
1242 */
1243void malloc_libmondo_global_strings(void)
1244{
[49]1245 do_libmondo_global_strings_thing(1);
[1]1246}
1247
1248/**
1249 * Free important globals.
1250 * @see do_libmondo_global_strings_thing
1251 */
1252void free_libmondo_global_strings(void)
1253{
[49]1254 do_libmondo_global_strings_thing(0);
[1]1255}
1256
1257
1258
1259/**
1260 * Stop @c magicdev if it's running.
1261 * The command used to start it is saved in @p g_magicdev_command.
1262 */
1263void stop_magicdev_if_necessary()
1264{
[49]1265 strcpy(g_magicdev_command,
1266 call_program_and_get_last_line_of_output
1267 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1268 if (g_magicdev_command[0]) {
1269 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1270 paranoid_system("killall magicdev");
1271 }
[1]1272}
1273
1274
1275/**
1276 * Restart magicdev if it was stopped.
1277 */
1278void restart_magicdev_if_necessary()
1279{
[49]1280 char *tmp;
1281
1282 if (g_magicdev_command && g_magicdev_command[0]) {
[94]1283 asprintf(&tmp, "%s &", g_magicdev_command);
[49]1284 paranoid_system(tmp);
[94]1285 paranoid_free(tmp);
[49]1286 }
[1]1287}
1288
1289/* @} - end of utilityGroup */
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