source: MondoRescue/branches/3.0/mondo/src/common/libmondo-tools.c@ 2907

Last change on this file since 2907 was 2907, checked in by Bruno Cornec, 12 years ago
  • Should fix #512 by clearing old scratchdir before changing to a new
  • Property svn:keywords set to Id
File size: 39.6 KB
RevLine 
[2030]1/*
[99]2 $Id: libmondo-tools.c 2907 2011-11-29 01:58:39Z bruno $
[1]3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
[2211]12#include "mr_mem.h"
[1]13#include "mondostructures.h"
[541]14#include "lib-common-externs.h"
[1]15#include "libmondo-tools.h"
[541]16#include "libmondo-gui-EXT.h"
[1]17#include "libmondo-files-EXT.h"
18#include "libmondo-fork-EXT.h"
19#include "libmondo-raid-EXT.h"
[1917]20#include "libmondo-devices-EXT.h"
[1]21#include <sys/socket.h>
22#include <netdb.h>
[1653]23#include <stdlib.h>
[1]24#include <netinet/in.h>
25#include <arpa/inet.h>
[1375]26#include <sys/utsname.h>
[1]27
28/*@unused@*/
[99]29//static char cvsid[] = "$Id: libmondo-tools.c 2907 2011-11-29 01:58:39Z bruno $";
[1]30
31extern int g_tape_buffer_size_MB;
32extern char *g_serial_string;
33extern bool g_text_mode;
34extern int g_currentY;
35extern int g_current_media_number;
[1316]36extern char *MONDO_LOGFILE;
[1]37
[1645]38/* Reference to global bkpinfo */
39extern struct s_bkpinfo *bkpinfo;
40
[1]41/**
42 * @addtogroup globalGroup
43 * @{
44 */
[128]45bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
46 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
47bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]48double g_kernel_version;
49
50/**
51 * The place where /boot is mounted.
52 */
[128]53char *g_boot_mountpt = NULL;
[1]54
55/**
56 * The location of Mondo's home directory.
57 */
[128]58char *g_mondo_home = NULL;
[1]59
60/**
61 * The serial string (used to differentiate between backups) of the current backup.
62 */
[128]63char *g_serial_string = NULL;
[1]64
65/**
66 * The location where tmpfs is mounted, or "" if it's not mounted.
[2030]67char *g_tmpfs_mountpt = NULL;
[1]68 */
[128]69char *g_magicdev_command = NULL;
[1]70
71/**
72 * The default maximum level to log messages at or below.
73 */
[128]74int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]75
76/* @} - end of globalGroup */
77
78
79extern pid_t g_buffer_pid;
80extern pid_t g_main_pid;
81
82extern t_bkptype g_backup_media_type;
83
84extern bool am_I_in_disaster_recovery_mode(void);
85
[1917]86/*-----------------------------------------------------------*/
87
88
[1]89/**
90 * @addtogroup utilityGroup
91 * @{
92 */
93/**
94 * Assertion handler. Prints a friendly message to the user,
95 * offering to ignore all, dump core, break to debugger,
96 * exit, or ignore. Intended to be used with an assert() macro.
97 *
98 * @param file The file in which the assertion triggered.
99 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
100 * @param line The line number of the assert() statement.
101 * @param exp The expression that failed (as a string).
102 */
[128]103void _mondo_assert_fail(const char *file,
104 const char *function, int line, const char *exp)
[1]105{
[128]106 static int ignoring_assertions = 0;
107 bool is_valid = TRUE;
[1]108
[128]109 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
110 function);
111 if (ignoring_assertions) {
112 log_it("Well, the user doesn't care...");
113 return;
114 }
[1]115#ifndef _XWIN
[128]116 if (!g_text_mode)
117 newtSuspend();
[1]118#endif
[541]119 printf("ASSERTION FAILED: `%s'\n", exp);
120 printf("\tat %s:%d in %s\n\n", file, line, function);
121 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]122 do {
123 is_valid = TRUE;
124 switch (toupper(getchar())) {
125 case 'A': // ignore (A)ll
126 ignoring_assertions = 1;
127 break;
128 case 'B': // a(B)ort
129 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
130 raise(SIGABRT);
131 break; /* "can't get here" */
132 case 'D': // (D)ebug, aka asm("int 3")
[1]133#ifdef __IA32__
[128]134 __asm__ __volatile__("int $3"); // break to debugger
[1]135#endif
[128]136 break;
137 case 'E': // (E)xit
138 fatal_error("Failed assertion -- see above for details");
139 break; /* "can't get here" */
140 case 'I': // (I)gnore
141 break;
142 /* These next two work as follows:
143 the `default' catches the user's invalid choice and says so;
144 the '\n' catches the newline on the end and prints the prompt again.
145 */
146 case '\n':
147 printf
[541]148 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]149 break;
150 default:
151 is_valid = FALSE;
[541]152 printf("Invalid choice.\n");
[128]153 break;
154 }
155 } while (!is_valid);
156
157 if (ignoring_assertions) {
158 log_it("Ignoring ALL assertions from now on.");
159 } else {
160 log_it("Ignoring assertion: %s", exp);
[1]161 }
162
[128]163 getchar(); // skip \n
[1]164
165#ifndef _XWIN
[128]166 if (!g_text_mode)
167 newtResume();
[1]168#endif
169}
170
171/**
172 * Clean's up users' KDE desktops.
173 * @bug Details about this function are unknown.
174 */
175void clean_up_KDE_desktop_if_necessary(void)
176{
[128]177 char *tmp;
[1]178
[128]179 malloc_string(tmp);
180 strcpy(tmp,
[2824]181 "for i in `find /root /home -maxdepth 2 -type d -name Desktop`; do \
[1]182file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[273]183awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[275]184else { print $0;};}' $file.old > $file ; fi ; done");
[128]185 run_program_and_log_output(tmp, 5);
186 paranoid_free(tmp);
[1]187}
188
189
190/**
191 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
192 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
193 *
194 * @param home_sz String to store the home directory ("" if it could not be found).
195 * @return 0 for success, nonzero for failure.
196 */
197int find_and_store_mondoarchives_home(char *home_sz)
198{
[128]199 assert(home_sz != NULL);
[424]200 strcpy(home_sz, MONDO_SHARE);
[182]201 return (0);
[1]202}
203
204
[1375]205char *get_architecture(void) {
[1]206#ifdef __IA32__
[1375]207# ifdef __X86_64__
208 return ("x86_64");
209# else
210 return ("i386");
211# endif
[1]212#endif
213#ifdef __IA64__
[128]214 return ("ia64");
[1]215#endif
[128]216 return ("unknown");
[1]217}
218
219
[1375]220char *get_uname_m(void) {
[1]221
[1375]222 struct utsname utsn;
223 char *tmp = NULL;
224
225 uname(&utsn);
[2211]226 mr_asprintf(&tmp, "%s", utsn.machine);
[1375]227 return (tmp);
228}
229
230
231
232double get_kernel_version(void)
[1]233{
[128]234 char *p, tmp[200];
235 double d;
[1]236#ifdef __FreeBSD__
[128]237 // JOSH - FIXME :)
238 d = 5.2; // :-)
[1]239#else
[128]240 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
241 p = strchr(tmp, '.');
242 if (p) {
243 p = strchr(++p, '.');
244 if (p) {
245 while (*p) {
246 *p = *(p + 1);
247 p++;
248 }
249 }
250 }
[1]251// log_msg(1, "tmp = '%s'", tmp);
[128]252 d = atof(tmp);
[1]253#endif
[128]254 log_msg(1, "g_kernel_version = %f", d);
255 return (d);
[1]256}
257
258
259
260
261
262/**
263 * Get the current time.
264 * @return number of seconds since the epoch.
265 */
[128]266long get_time()
[1]267{
[128]268 return (long) time((void *) 0);
[1]269}
270
271
272
273
274
275
276
277/**
278 * Initialize a RAID volume structure, setting fields to zero. The
279 * actual hard drive is unaffected.
280 *
281 * @param raidrec The RAID volume structure to initialize.
282 * @note This function is system dependent.
283 */
284#ifdef __FreeBSD__
[128]285void initialize_raidrec(struct vinum_volume *raidrec)
[1]286{
[128]287 int i, j;
288 raidrec->volname[0] = '\0';
289 raidrec->plexes = 0;
290 for (i = 0; i < 9; ++i) {
291 raidrec->plex[i].raidlevel = -1;
292 raidrec->plex[i].stripesize = 0;
293 raidrec->plex[i].subdisks = 0;
294 for (j = 0; j < 9; ++j) {
295 strcpy(raidrec->plex[i].sd[j].which_device, "");
296 }
297 }
[1]298}
299#else
[128]300void initialize_raidrec(struct raid_device_record *raidrec)
[1]301{
[128]302 assert(raidrec != NULL);
303 raidrec->raid_device[0] = '\0';
[558]304 raidrec->raid_level = -9;
[128]305 raidrec->persistent_superblock = 1;
[558]306 raidrec->chunk_size = 64;
307 raidrec->parity = -1;
[128]308 raidrec->data_disks.entries = 0;
309 raidrec->spare_disks.entries = 0;
310 raidrec->parity_disks.entries = 0;
311 raidrec->failed_disks.entries = 0;
312 raidrec->additional_vars.entries = 0;
[1]313}
314#endif
315
316
317
318
319/**
320 * Insert modules that Mondo requires.
[1236]321 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]322 * @c msdosfs and @c ext2fs for FreeBSD.
323 */
324void insmod_crucial_modules(void)
325{
326#ifdef __FreeBSD__
[128]327 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
328 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]329#else
[1236]330 system("modprobe -a msdos vfat loop &> /dev/null");
[1]331#endif
332}
333
334/**
335 * Finish configuring the backup information structure. Call this function
336 * to set the parameters that depend on those that can be given on the command
337 * line.
338 *
339 * @param bkpinfo The backup information structure. Fields modified/used:
340 * - Used: @c bkpinfo->backup_data
341 * - Used: @c bkpinfo->backup_media_type
342 * - Used: @c bkpinfo->cdrw_speed
343 * - Used: @c bkpinfo->compression_level
344 * - Used: @c bkpinfo->include_paths
[20]345 * - Used: @c bkpinfo->prefix
[1]346 * - Used: @c bkpinfo->isodir
347 * - Used: @c bkpinfo->manual_cd_tray
348 * - Used: @c bkpinfo->make_cd_use_lilo
349 * - Used: @c bkpinfo->media_device
[2380]350 * - Used: @c bkpinfo->netfs_mount
[1]351 * - Used: @c bkpinfo->nonbootable_backup
352 * - Used: @c bkpinfo->scratchdir
353 * - Used: @c bkpinfo->tmpdir
354 * - Used: @c bkpinfo->use_lzo
355 * - Modified: @c bkpinfo->call_before_iso
356 * - Modified: @c bkpinfo->call_make_iso
357 * - Modified: @c bkpinfo->optimal_set_size
358 * - Modified: @c bkpinfo->zip_exe
359 * - Modified: @c bkpinfo->zip_suffix
360 *
361 * @return number of errors, or 0 for success.
362 * @note Also creates directories that are specified in the @c bkpinfo structure but
363 * do not exist.
364 */
[1645]365int post_param_configuration()
[1]366{
[2211]367 char *extra_cdrom_params = NULL;
368 char *mondo_mkisofs_sz = NULL;
[2518]369 char *command = NULL;
[128]370 char *mtpt;
[2211]371 char *hostname;
[2848]372 char *isofs_cmd = NULL;
[2211]373 char *ip_address = NULL;
[128]374 int retval = 0;
375 char *colon;
376 char *cdr_exe;
[2518]377 char *tmp = NULL;
[163]378 char call_before_iso_user[MAX_STR_LEN] = "\0";
[2030]379 /*
380 long avm = 0;
[128]381 int rdsiz_MB;
[2030]382 */
[2518]383 char *iso_dev = NULL;
384 char *iso_mnt = NULL;
385 char *iso_tmp = NULL;
386 char *iso_path = NULL;
[1]387
[128]388 assert(bkpinfo != NULL);
389 malloc_string(mtpt);
390 malloc_string(hostname);
391 malloc_string(cdr_exe);
392 bkpinfo->optimal_set_size =
[686]393 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[128]394 1024;
[1]395
[2658]396 log_msg(1, "Post-param");
[128]397 if (bkpinfo->backup_media_type == tape) {
[2658]398 log_msg(1, "Tape");
[2518]399 mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
[128]400 log_msg(1, "tmp = '%s'", tmp);
401 if (run_program_and_log_output(tmp, 3)) {
[2518]402 mr_free(tmp);
[128]403 fatal_error
404 ("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.");
405 }
[2518]406 mr_free(tmp);
[1]407 }
[128]408 make_hole_for_dir(bkpinfo->scratchdir);
409 if (bkpinfo->backup_media_type == iso)
410 make_hole_for_dir(bkpinfo->isodir);
[1]411
[128]412 run_program_and_log_output("uname -a", 5);
[678]413 run_program_and_log_output("cat /etc/*-release", 5);
[128]414 run_program_and_log_output("cat /etc/*issue*", 5);
[1]415#ifdef __FreeBSD__
416#else
[128]417 run_program_and_log_output("cat /proc/cpuinfo", 5);
418 run_program_and_log_output
419 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
420 5);
[1]421#endif
[128]422
423 if (bkpinfo->use_lzo) {
424 strcpy(bkpinfo->zip_exe, "lzop");
425 strcpy(bkpinfo->zip_suffix, "lzo");
[998]426 } else if (bkpinfo->use_gzip) {
427 strcpy(bkpinfo->zip_exe, "gzip");
428 strcpy(bkpinfo->zip_suffix, "gz");
[128]429 } else if (bkpinfo->compression_level != 0) {
430 strcpy(bkpinfo->zip_exe, "bzip2");
431 strcpy(bkpinfo->zip_suffix, "bz2");
432 } else {
433 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]434 }
435
436// DVD
437
[128]438 if (bkpinfo->backup_media_type == dvd) {
439 if (find_home_of_exe("growisofs")) {
440 strcpy(cdr_exe, "growisofs");
441 } // unlikely to be used
442 else {
443 fatal_error("Please install growisofs.");
444 }
445 if (bkpinfo->nonbootable_backup) {
[2211]446 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[128]447 } else if
[1]448#ifdef __FreeBSD__
[128]449 (TRUE)
[1]450#else
[128]451 (bkpinfo->make_cd_use_lilo)
[1]452#endif
453#ifdef __IA64__
[128]454 {
[2211]455 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[128]456 }
[1]457#else
458 {
[2211]459 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]460 }
[128]461#endif
462 else
463 {
[2211]464 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[128]465 }
466 if (bkpinfo->manual_cd_tray) {
[2211]467 paranoid_free(mondo_mkisofs_sz);
[128]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_",
473 mondo_mkisofs_sz,
[2211]474 "", bkpinfo->media_device);
475 paranoid_free(mondo_mkisofs_sz);
[128]476 }
[153]477 if (getenv ("SUDO_COMMAND")) {
[2518]478 mr_asprintf(&command, "strings `which growisofs` | grep -c SUDO_COMMAND");
[679]479 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
[2518]480 mr_free(command);
[679]481 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
482 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
483 }
[2518]484 mr_free(command);
[153]485 }
[128]486 log_msg(2, "call_make_iso (DVD res) is ... %s",
487 bkpinfo->call_make_iso);
488 } // end of DVD code
[1]489
490// CD-R or CD-RW
[128]491 if (bkpinfo->backup_media_type == cdrw
492 || bkpinfo->backup_media_type == cdr) {
493 if (!bkpinfo->manual_cd_tray) {
[2211]494 mr_asprintf(&extra_cdrom_params, "-waiti ");
[128]495 }
496 if (bkpinfo->backup_media_type == cdrw) {
[2211]497 mr_asprintf(&extra_cdrom_params, "blank=fast ");
[128]498 }
[2677]499 if (extra_cdrom_params == NULL) {
500 // If not initialized earlier, do it now
501 mr_asprintf(&extra_cdrom_params, " ");
502 }
[128]503 if (find_home_of_exe("cdrecord")) {
504 strcpy(cdr_exe, "cdrecord");
505 } else if (find_home_of_exe("dvdrecord")) {
506 strcpy(cdr_exe, "dvdrecord");
507 } else {
508 fatal_error("Please install either cdrecord or dvdrecord.");
509 }
[2848]510 if (find_home_of_exe("genisoimage")) {
511 mr_asprintf(&isofs_cmd, "%s", MONDO_GENISOIMAGE_CMD);
512 } else {
513 mr_asprintf(&isofs_cmd, "%s", MONDO_MKISOFS_CMD);
514 }
[128]515 if (bkpinfo->nonbootable_backup) {
[2848]516 mr_asprintf(&mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
[128]517 } else if
[1]518#ifdef __FreeBSD__
[128]519 (TRUE)
[1]520#else
[128]521 (bkpinfo->make_cd_use_lilo)
[1]522#endif
523#ifdef __IA64__
524 {
[2848]525 mr_asprintf(&mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
[1]526 }
[128]527#else
[1]528 {
[2848]529 mr_asprintf(&mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
[1]530 }
[128]531#endif
532 else
533 {
[2848]534 mr_asprintf(&mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX);
[128]535 }
[2848]536 mr_free(isofs_cmd);
537
[128]538 if (bkpinfo->manual_cd_tray) {
[163]539 if (bkpinfo->call_before_iso[0] == '\0') {
[128]540 sprintf(bkpinfo->call_before_iso,
[1666]541 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
[163]542 mondo_mkisofs_sz, bkpinfo->tmpdir);
543 } else {
544 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
545 sprintf (bkpinfo->call_before_iso,
[1666]546 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
[163]547 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
548 }
549 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[128]550 sprintf(bkpinfo->call_make_iso,
[1666]551 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
[128]552 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
553 extra_cdrom_params, bkpinfo->media_device,
554 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
555 } else {
556 sprintf(bkpinfo->call_make_iso,
557 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
558 mondo_mkisofs_sz, cdr_exe,
559 (bkpinfo->please_dont_eject) ? " " : "-eject",
560 extra_cdrom_params, bkpinfo->media_device,
561 bkpinfo->cdrw_speed);
562 }
[2211]563 paranoid_free(mondo_mkisofs_sz);
564 paranoid_free(extra_cdrom_params);
[128]565 } // end of CD code
[1]566
[128]567 if (bkpinfo->backup_media_type == iso) {
568
[1]569/* Patch by Conor Daly <conor.daly@met.ie>
570 * 23-june-2004
571 * Break up isodir into iso_mnt and iso_path
572 * These will be used along with iso-dev at restore time
573 * to locate the ISOs where ever they're mounted
574 */
575
[128]576 log_it("isodir = %s", bkpinfo->isodir);
[2518]577 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
[128]578 bkpinfo->isodir);
579 log_it("command = %s", command);
[2518]580 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
581 mr_asprintf(&iso_dev, "%s", call_program_and_get_last_line_of_output(command));
582 mr_asprintf(&tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
583 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
584 mr_free(tmp);
585 mr_free(command);
[1]586
[2518]587 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
588 mr_free(iso_dev);
589
[128]590 log_it("command = %s", command);
[2518]591 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
592 mr_asprintf(&iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
593 mr_asprintf(&tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
594 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
595 mr_free(tmp);
596 mr_free(command);
597
[128]598 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
[2518]599 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
[128]600 if (strlen(iso_tmp) < strlen(iso_mnt)) {
[2518]601 mr_asprintf(&iso_path, "%s", "");
[128]602 } else {
[2522]603 // If iso_mnt is only / then iso_path is the full dir
604 // (the formula bellow doesn't work in this case)
605 if (strcmp(iso_mnt, "/") == 0) {
606 mr_asprintf(&iso_path, "%s", iso_tmp);
607 // else it's a part of iso_tmp
608 } else {
609 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
610 }
[128]611 }
[2518]612 mr_free(iso_tmp);
[2522]613 mr_free(iso_mnt);
[2518]614
615 mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
[128]616 write_one_liner_data_file(tmp, iso_path);
[2518]617 mr_free(tmp);
618
[128]619 log_it("isodir: %s", iso_path);
[2518]620 mr_free(iso_path);
621
622 mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[148]623 write_one_liner_data_file(tmp, bkpinfo->prefix);
[2518]624 mr_free(tmp);
625
[148]626 log_it("iso-prefix: %s", bkpinfo->prefix);
[1]627
628/* End patch */
[128]629 } // end of iso code
[1]630
[2380]631 if (bkpinfo->backup_media_type == netfs) {
632 strcpy(hostname, bkpinfo->netfs_mount);
[128]633 colon = strchr(hostname, ':');
634 if (!colon) {
[2380]635 log_it("netfs mount doesn't have a colon in it");
[128]636 retval++;
637 } else {
638 struct hostent *hent;
[1]639
[128]640 *colon = '\0';
[2847]641 colon = strchr(hostname, '@');
642 if (colon) {
643 *colon = '\0';
644 colon++;
645 hent = gethostbyname(colon);
646 mr_asprintf(bkpinfo->netfs_user,"%s", hostname);
647 } else {
648 hent = gethostbyname(hostname);
649 }
[128]650 if (!hent) {
[2380]651 log_it("Can't resolve Network mount (%s): %s", hostname,
[128]652 hstrerror(h_errno));
653 retval++;
654 } else {
[2290]655 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
[2380]656 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
657 strcpy(bkpinfo->netfs_mount, ip_address);
[2211]658 paranoid_free(ip_address);
[128]659 }
660 }
[2380]661 store_netfs_config();
[128]662 }
[1]663
[128]664 log_it("Finished processing incoming params");
665 if (retval) {
666 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
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 g_backup_media_type = bkpinfo->backup_media_type;
678 paranoid_free(mtpt);
679 paranoid_free(hostname);
680 paranoid_free(cdr_exe);
681 return (retval);
[1]682}
683
684
685
686/**
687 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
688 * Seeds the random-number generator, loads important modules, checks the sanity
689 * of the user's Linux distribution, and deletes logfile.
690 * @param bkpinfo The backup information structure. Will be initialized.
691 * @return number of errors (0 for success)
692 */
[1645]693int pre_param_configuration()
[1]694{
[128]695 int res = 0;
[1652]696 char *tmp = NULL;
[1]697
[128]698 make_hole_for_dir(MNT_CDROM);
699 assert(bkpinfo != NULL);
700 srandom((unsigned long) (time(NULL)));
701 insmod_crucial_modules();
702 if (bkpinfo->disaster_recovery) {
703 if (!does_nonMS_partition_exist()) {
704 fatal_error
705 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
706 }
707 }
[1]708
[2211]709 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
[1652]710 run_program_and_log_output(tmp, FALSE);
711 paranoid_free(tmp);
[128]712 if (find_and_store_mondoarchives_home(g_mondo_home)) {
713 fprintf(stderr,
714 "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");
715 res++;
716 return (res);
717 }
718 res += some_basic_system_sanity_checks();
719 if (res) {
720 log_it("Your distribution did not pass Mondo's sanity test.");
721 }
722 g_current_media_number = 1;
[2380]723 bkpinfo->postnuke_tarball[0] = bkpinfo->netfs_mount[0] = '\0';
[128]724 return (res);
[1]725}
726
[1655]727void setup_tmpdir(char *path) {
[1967]728
[1653]729 char *tmp = NULL;
[1654]730 char *p = NULL;
[1]731
[1999]732 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
[1655]733 /* purging a potential old tmpdir */
[2348]734 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
[2907]735 chdir("/tmp");
[2211]736 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
[2348]737 (void)system(tmp);
[1655]738 paranoid_free(tmp);
739 }
[1967]740
[2443]741 /* Always take in account env first */
742 if (getenv("TMPDIR")) {
[2211]743 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[1653]744 } else if (getenv("TMP")) {
[2211]745 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
[2443]746 } else if (path != NULL) {
747 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
[1653]748 } else {
[2211]749 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]750 }
[1654]751 p = mkdtemp(tmp);
752 if (p == NULL) {
753 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
[1653]754 finish(-1);
755 }
[1654]756 strcpy(bkpinfo->tmpdir,p);
757 paranoid_free(tmp);
[1653]758}
[1]759
760
761/**
762 * Reset all fields of the backup information structure to a sensible default.
763 * @param bkpinfo The @c bkpinfo to reset.
764 */
[1645]765void reset_bkpinfo()
[1]766{
[128]767 int i;
[1]768
[128]769 log_msg(1, "Hi");
770 assert(bkpinfo != NULL);
771 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[1653]772
[128]773 bkpinfo->media_device[0] = '\0';
774 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
775 bkpinfo->media_size[i] = -1;
776 }
777 bkpinfo->boot_loader = '\0';
778 bkpinfo->boot_device[0] = '\0';
779 bkpinfo->zip_exe[0] = '\0';
780 bkpinfo->zip_suffix[0] = '\0';
[1966]781 bkpinfo->image_devs[0] = '\0';
782 bkpinfo->compression_level = 3;
[128]783 bkpinfo->use_lzo = FALSE;
[998]784 bkpinfo->use_gzip = FALSE;
[128]785 bkpinfo->do_not_compress_these[0] = '\0';
786 bkpinfo->verify_data = FALSE;
787 bkpinfo->backup_data = FALSE;
788 bkpinfo->restore_data = FALSE;
[1966]789 bkpinfo->use_star = FALSE;
790 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[128]791 bkpinfo->disaster_recovery =
792 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
793 if (bkpinfo->disaster_recovery) {
794 strcpy(bkpinfo->isodir, "/");
795 } else {
[2059]796 strcpy(bkpinfo->isodir, MONDO_CACHE);
[128]797 }
[148]798 strcpy(bkpinfo->prefix, STD_PREFIX);
[1966]799 sensibly_set_tmpdir_and_scratchdir();
[1]800
[128]801 bkpinfo->optimal_set_size = 0;
802 strcpy(bkpinfo->include_paths, "/");
[1966]803 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
804 bkpinfo->include_paths[0] = '\0';
[2424]805 bkpinfo->exclude_devs = NULL;
[1966]806 bkpinfo->restore_path[0] = '\0';
[128]807 bkpinfo->call_before_iso[0] = '\0';
808 bkpinfo->call_make_iso[0] = '\0';
809 bkpinfo->call_burn_iso[0] = '\0';
810 bkpinfo->call_after_iso[0] = '\0';
811 bkpinfo->kernel_path[0] = '\0';
[2380]812 bkpinfo->netfs_mount[0] = '\0';
813 bkpinfo->netfs_proto = NULL;
814 bkpinfo->netfs_user = NULL;
815 bkpinfo->netfs_remote_dir[0] = '\0';
[2697]816 bkpinfo->exclude_paths = NULL;
[2769]817 bkpinfo->subdir = NULL;
[1966]818 bkpinfo->postnuke_tarball[0] = '\0';
[128]819 bkpinfo->wipe_media_first = FALSE;
[1966]820 bkpinfo->differential = 0;
821 bkpinfo->please_dont_eject = FALSE;
[128]822 bkpinfo->cdrw_speed = 0;
[1966]823 bkpinfo->manual_cd_tray = FALSE;
824 bkpinfo->nonbootable_backup = FALSE;
825 bkpinfo->make_cd_use_lilo = FALSE;
826 bkpinfo->use_obdr = FALSE;
[1967]827 bkpinfo->restore_mode = interactive;
[1]828}
829
830
831
832
833/**
834 * Get the remaining free space (in MB) on @p partition.
835 * @param partition The partition to check free space on (either a device or a mountpoint).
836 * @return The free space on @p partition, in MB.
837 */
[128]838long free_space_on_given_partition(char *partition)
[1]839{
[2518]840 char *out_sz = NULL;
841 char *command = NULL;
[128]842 long res;
[1]843
[128]844 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]845
[2518]846 mr_asprintf(&command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]847 if (system(command)) {
[2518]848 mr_free(command);
[128]849 return (-1);
850 } // partition does not exist
[2518]851 mr_free(command);
852
853 mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
[128]854 partition);
[2518]855 mr_asprintf(&out_sz, "%s", call_program_and_get_last_line_of_output(command));
856 mr_free(command);
857
[128]858 if (strlen(out_sz) == 0) {
[2518]859 mr_free(out_sz);
[128]860 return (-1);
861 } // error within df, probably
862 res = atol(out_sz);
[2518]863 mr_free(out_sz);
[128]864 return (res);
[1]865}
866
867
868
869/**
870 * Check the user's system for sanity. Checks performed:
871 * - make sure user has enough RAM (32mb required, 64mb recommended)
872 * - make sure user has enough free space in @c /
873 * - check kernel for ramdisk support
874 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
875 * - make sure CD-ROM is unmounted
876 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
877 *
878 * @return number of problems with the user's setup (0 for success)
879 */
[128]880int some_basic_system_sanity_checks()
[1]881{
882
[128]883 /*@ buffers ************ */
[2518]884 char *tmp = NULL;
[1]885
[128]886 /*@ int's *************** */
887 int retval = 0;
[1]888
[128]889 mvaddstr_and_log_it(g_currentY, 0,
890 "Checking sanity of your Linux distribution");
[1]891#ifndef __FreeBSD__
[1737]892 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
893 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
[128]894 log_it
895 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
896 run_program_and_log_output
897 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
898 }
[2518]899 mr_asprintf(&tmp, "%s",
[128]900 call_program_and_get_last_line_of_output
901 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
902 if (atol(tmp) < 35000) {
903 retval++;
[541]904 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]905 }
906 if (atol(tmp) < 66000) {
907 log_to_screen
[541]908 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]909 }
[2518]910 mr_free(tmp);
[1]911#endif
912
[128]913 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
914 retval++;
915 log_to_screen
916 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
917 fatal_error
918 ("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. :)");
919 }
[1]920#ifndef __FreeBSD__
[128]921 if (run_program_and_log_output
[273]922 ("grep ramdisk /proc/devices", FALSE)) {
[2194]923 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
[2195]924 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
[2194]925 if (run_program_and_log_output
926 ("grep ramdisk /proc/devices", FALSE)) {
927 if (!ask_me_yes_or_no
928 ("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?"))
929 {
930 // retval++;
931 log_to_screen
932 ("It looks as if your kernel lacks ramdisk and initrd support.");
933 log_to_screen
934 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
935 }
[128]936 }
937 }
[1]938#endif
[128]939 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
[2751]940 if (system("which genisoimage > /dev/null 2> /dev/null")) {
941 retval += whine_if_not_found("mkisofs");
942 }
943 if (system("which wodim > /dev/null 2> /dev/null")) {
[128]944 retval += whine_if_not_found("cdrecord");
945 }
946 retval += whine_if_not_found("bzip2");
[998]947 retval += whine_if_not_found("gzip");
[128]948 retval += whine_if_not_found("awk");
949 retval += whine_if_not_found("md5sum");
950 retval += whine_if_not_found("strings");
951 retval += whine_if_not_found("mindi");
952 retval += whine_if_not_found("buffer");
[1]953
[128]954 // abort if Windows partition but no ms-sys and parted
[1855]955 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[541]956 log_to_screen("I think you have a Windows 9x partition.");
[128]957 retval += whine_if_not_found("parted");
[1]958 }
959
[128]960 if (!find_home_of_exe("cmp")) {
[2624]961 whine_if_not_found("cmp");
[1]962 }
[128]963 run_program_and_log_output
964 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[2518]965 mr_asprintf(&tmp, "%s",
[128]966 call_program_and_get_last_line_of_output
967 ("mount | grep -E \"cdr(om|w)\""));
968 if (strcmp("", tmp)) {
969 if (strstr(tmp, "autofs")) {
970 log_to_screen
[541]971 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
[128]972 log_to_screen
[541]973 ("if a CD actually is inserted. If a CD is inserted, please");
974 log_to_screen("eject it. Thank you.");
[128]975 log_it
976 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
977 } else
978 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
979 retval++;
[2518]980 mr_free(tmp);
981 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
[128]982 }
983 }
[2518]984 mr_free(tmp);
[1]985
[128]986 run_program_and_log_output("cat /etc/fstab", 5);
[1]987#ifdef __FreeBSD__
[128]988 run_program_and_log_output("vinum printconfig", 5);
[1]989#else
[128]990 run_program_and_log_output("cat /etc/raidtab", 5);
[1]991#endif
992
[128]993 if (run_program_and_log_output("mindi -V", 1)) {
[541]994 log_to_screen("Could not ascertain mindi's version number.");
[128]995 log_to_screen
[541]996 ("You have not installed Mondo and/or Mindi properly.");
997 log_to_screen("Please uninstall and reinstall them both.");
[128]998 fatal_error("Please reinstall Mondo and Mindi.");
999 }
[2518]1000 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
[1644]1001 if (run_program_and_log_output(tmp, 5)) {
[2518]1002 mr_free(tmp);
1003 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
[1644]1004 log_to_screen(tmp);
[128]1005 log_to_screen
[541]1006 ("Please run that command by hand and examine /var/log/mindi.log");
[128]1007 log_to_screen
[541]1008 ("for more information. Perhaps your /etc/fstab file is insane.");
[128]1009 log_to_screen
[541]1010 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]1011 retval++;
1012 }
[2518]1013 mr_free(tmp);
[1]1014
[196]1015 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
[128]1016 && !does_file_exist("/etc/raidtab")) {
1017 log_to_screen
[541]1018 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[558]1019 create_raidtab_from_mdstat("/etc/raidtab");
[128]1020 }
1021
1022 if (retval) {
[541]1023 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1024 } else {
[541]1025 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1026 }
1027 return (retval);
[1]1028}
1029
1030/**
1031 * Retrieve the line containing @p label from the config file.
1032 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1033 * @param label What to read from the file.
1034 * @param value Where to put it.
1035 * @return 0 for success, 1 for failure.
1036 */
[128]1037int read_cfg_var(char *config_file, char *label, char *value)
[1]1038{
[128]1039 /*@ buffer ****************************************************** */
[2518]1040 char *command = NULL;
1041 char *tmp = NULL;
[1]1042
[128]1043 /*@ end vars *************************************************** */
[1]1044
[128]1045 assert_string_is_neither_NULL_nor_zerolength(config_file);
1046 assert_string_is_neither_NULL_nor_zerolength(label);
1047 if (!does_file_exist(config_file)) {
[2518]1048 mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
[128]1049 config_file);
1050 log_to_screen(tmp);
[2518]1051 mr_free(tmp);
1052
[128]1053 value[0] = '\0';
1054 return (1);
[1279]1055 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1056 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]1057 return (0);
1058 } else {
[2518]1059 mr_asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
[148]1060 label, config_file);
[128]1061 strcpy(value, call_program_and_get_last_line_of_output(command));
[2518]1062 mr_free(command);
1063
[128]1064 if (strlen(value) == 0) {
1065 return (1);
1066 } else {
1067 return (0);
1068 }
[1]1069 }
1070}
1071
1072
1073
1074/**
1075 * Remount @c supermount if it was unmounted earlier.
1076 */
1077void remount_supermounts_if_necessary()
1078{
[128]1079 if (g_remount_cdrom_at_end) {
1080 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1081 }
1082 if (g_remount_floppy_at_end) {
1083 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1084 }
[1]1085}
1086
1087/**
1088 * Unmount @c supermount if it's mounted.
1089 */
1090void unmount_supermounts_if_necessary()
1091{
[128]1092 if (run_program_and_log_output
1093 ("mount | grep cdrom | grep super", FALSE) == 0) {
1094 g_remount_cdrom_at_end = TRUE;
1095 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1096 }
1097 if (run_program_and_log_output
1098 ("mount | grep floppy | grep super", FALSE) == 0) {
1099 g_remount_floppy_at_end = TRUE;
1100 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1101 }
[1]1102}
1103
1104/**
1105 * Whether we had to stop autofs (if so, restart it at end).
1106 */
[128]1107bool g_autofs_stopped = FALSE;
[1]1108
1109/**
1110 * Path to the autofs initscript ("" if none exists).
1111 */
1112char g_autofs_exe[MAX_STR_LEN];
1113
1114/**
1115 * Autofs initscript in Xandros Linux distribution.
1116 */
1117#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1118
1119/**
1120 * Autofs initscript in most Linux distributions.
1121 */
1122#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1123
1124/**
1125 * If autofs is mounted, stop it (restart at end).
1126 */
1127void stop_autofs_if_necessary()
1128{
[2518]1129 char *tmp = NULL;
[128]1130
1131 g_autofs_exe[0] = '\0';
1132 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1133 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1134 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1135 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1136 }
1137
1138 if (!g_autofs_exe[0]) {
1139 log_msg(3, "No autofs detected.");
1140 } else {
1141 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[2518]1142 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1143 mr_asprintf(&tmp, "%s stop", g_autofs_exe);
[128]1144 if (run_program_and_log_output(tmp, 2)) {
1145 log_it("Failed to stop autofs - I assume it wasn't running");
1146 } else {
1147 g_autofs_stopped = TRUE;
1148 log_it("Stopped autofs OK");
1149 }
[2518]1150 mr_free(tmp);
[128]1151 }
[1]1152}
1153
1154/**
1155 * If autofs was stopped earlier, restart it.
1156 */
1157void restart_autofs_if_necessary()
1158{
[2518]1159 char *tmp = NULL;
[128]1160
1161 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1162 log_msg(3, "No autofs detected.");
1163 return;
1164 }
[2518]1165 mr_asprintf(&tmp, "%s start", g_autofs_exe);
[128]1166 if (run_program_and_log_output(tmp, 2)) {
1167 log_it("Failed to start autofs");
1168 } else {
1169 g_autofs_stopped = FALSE;
1170 log_it("Started autofs OK");
1171 }
[2518]1172 mr_free(tmp);
[1]1173}
1174
1175
1176/**
1177 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1178 */
1179void mount_boot_if_necessary()
1180{
[2518]1181 char *tmp = NULL;
1182 char *command = NULL;
[1]1183
[128]1184 log_msg(1, "Started sub");
1185 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1186 g_boot_mountpt[0] = '\0';
1187 log_msg(4, "Done. Great. Seeting command to something");
[2518]1188 mr_asprintf(&command, "%s",
[911]1189 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[128]1190 log_msg(4, "Cool. Command = '%s'", command);
[2518]1191 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1192 mr_free(command);
1193
[128]1194 log_msg(4, "tmp = '%s'", tmp);
1195 if (tmp[0]) {
1196 log_it("/boot is at %s according to /etc/fstab", tmp);
[2518]1197 mr_asprintf(&command, "mount | grep -Ew '/boot'");
1198 mr_free(tmp);
1199 mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1200 mr_free(command);
1201
[1818]1202 if (!strcmp(tmp,"")) {
[2686]1203 if (((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=")) != NULL)) {
[1791]1204 if (!run_program_and_log_output("mount /boot", 5)) {
1205 strcpy(g_boot_mountpt, "/boot");
1206 log_msg(1, "Mounted /boot");
1207 } else {
1208 log_it("...ignored cos it's a label or uuid :-)");
1209 }
[128]1210 } else {
[2518]1211 mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
[1791]1212 log_msg(3, "command = %s", command);
1213 if (run_program_and_log_output(command, 5)) {
1214 strcpy(g_boot_mountpt, tmp);
[2518]1215 mr_free(tmp);
1216 mr_asprintf(&tmp,
[1791]1217 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1218 g_boot_mountpt);
1219 log_it(tmp);
[2518]1220 mr_free(tmp);
1221
1222 mr_asprintf(&tmp, "mount %s", g_boot_mountpt);
[1791]1223 if (run_program_and_log_output(tmp, 5)) {
1224 g_boot_mountpt[0] = '\0';
1225 log_msg(1, "Plan B");
1226 if (!run_program_and_log_output("mount /boot", 5)) {
1227 strcpy(g_boot_mountpt, "/boot");
1228 log_msg(1, "Plan B worked");
1229 } else {
1230 log_msg(1,
[128]1231 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
[1791]1232 }
[128]1233 }
[2518]1234 mr_free(tmp);
[128]1235 }
[2518]1236 mr_free(command);
[128]1237 }
1238 }
[1]1239 }
[128]1240 log_msg(1, "Ended sub");
[1]1241}
1242
1243
1244/**
1245 * If we mounted /boot earlier, unmount it.
1246 */
1247void unmount_boot_if_necessary()
1248{
[2518]1249 char *tmp = NULL;
[1]1250
[128]1251 log_msg(3, "starting");
1252 if (g_boot_mountpt[0]) {
[2518]1253 mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
[128]1254 if (run_program_and_log_output(tmp, 5)) {
1255 log_it("WARNING - unable to unmount /boot");
1256 }
[2518]1257 mr_free(tmp);
[128]1258 }
1259 log_msg(3, "leaving");
[1]1260}
1261
1262
1263
1264/**
1265 * Write a line to a configuration file. Writes a line of the form,
1266 * @c label @c value.
1267 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1268 * @param label What to call this bit of data you're writing.
1269 * @param value The bit of data you're writing.
1270 * @return 0 for success, 1 for failure.
1271 */
[128]1272int write_cfg_var(char *config_file, char *label, char *value)
[1]1273{
[128]1274 /*@ buffers ***************************************************** */
[2518]1275 char *command = NULL;
1276 char *tempfile = NULL;
1277 char *tmp = NULL;
[1]1278
1279
[128]1280 /*@ end vars *************************************************** */
1281 assert_string_is_neither_NULL_nor_zerolength(config_file);
1282 assert_string_is_neither_NULL_nor_zerolength(label);
1283 assert(value != NULL);
1284 if (!does_file_exist(config_file)) {
[2518]1285 mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
[128]1286 config_file);
1287 log_to_screen(tmp);
[2518]1288 mr_free(tmp);
[128]1289 return (1);
1290 }
[2518]1291 mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]1292 if (does_file_exist(config_file)) {
[2524]1293 mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
[148]1294 label, config_file, tempfile);
[128]1295 paranoid_system(command);
[2518]1296 mr_free(command);
[128]1297 }
[2518]1298 mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]1299 paranoid_system(command);
[2518]1300 mr_free(command);
1301
1302 mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
[128]1303 paranoid_system(command);
[2518]1304 mr_free(command);
[128]1305 unlink(tempfile);
[2518]1306 mr_free(tempfile);
[128]1307 return (0);
[1]1308}
1309
[541]1310
[1]1311/**
[541]1312 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1313 * information to the logfile.
1314 */
1315void standard_log_debug_msg(int debug_level, const char *szFile,
1316 const char *szFunction, int nLine,
1317 const char *fmt, ...)
1318{
1319 va_list args;
1320 int i;
1321 static int depth = 0;
1322 FILE *fout;
1323
1324 if (depth > 5) {
1325 depth--;
1326 return;
1327 }
1328 depth++;
1329
1330 if (debug_level <= g_loglevel) {
1331 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1332 return;
[1946]1333 } // fatal_error("Failed to openout to logfile - sheesh..."); }
[541]1334
1335 // add tabs to distinguish log levels
1336 if (debug_level > 0) {
1337 for (i = 1; i < debug_level; i++)
1338 fprintf(fout, "\t");
1339 if (getpid() == g_main_pid)
[2205]1340 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1341 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]1342 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1343 else
[2205]1344 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[541]1345 }
[2230]1346 va_start(args, fmt);
[541]1347 vfprintf(fout, fmt, args);
[2230]1348 va_end(args);
[541]1349
1350 // do not slow down the progran if standard debug level
1351 // must be enabled: if no flush, the log won't be up-to-date if there
1352 // is a segfault
1353 //if (g_dwDebugLevel != 1)
1354
1355 fprintf(fout, "\n");
1356 paranoid_fclose(fout);
1357 }
1358 depth--;
1359}
1360
1361/**
1362 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1363 */
1364void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1365 ...) = standard_log_debug_msg;
1366
1367
1368/**
[1]1369 * If @p y, malloc @p x, else free @p x.
1370 * @bug This function seems orphaned. Please remove.
1371 */
1372#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1373
1374/**
1375 * Allocate or free important globals, depending on @p mal.
1376 * @param mal If TRUE, malloc; if FALSE, free.
1377 */
1378void do_libmondo_global_strings_thing(int mal)
1379{
[128]1380 if (mal) {
1381 malloc_string(g_boot_mountpt);
1382 malloc_string(g_mondo_home);
[2030]1383 /*
[128]1384 malloc_string(g_tmpfs_mountpt);
[2030]1385 */
[128]1386 malloc_string(g_serial_string);
1387 malloc_string(g_magicdev_command);
1388 } else {
1389 paranoid_free(g_boot_mountpt);
1390 paranoid_free(g_mondo_home);
[2030]1391 /*
[128]1392 paranoid_free(g_tmpfs_mountpt);
[2030]1393 */
[128]1394 paranoid_free(g_serial_string);
1395 paranoid_free(g_magicdev_command);
[2226]1396
[128]1397 }
[541]1398
1399 /*
1400 char**list_of_arrays[] = {
1401 &g_boot_mountpt,
1402 &g_mondo_home,
1403 &g_tmpfs_mountpt,
1404 &g_serial_string,
1405 &g_magicdev_command,
1406 NULL};
1407
1408 char**ppcurr;
1409 int i;
1410
1411 for(i=0;list_of_arrays[i];i++)
1412 {
1413 log_msg(5, "Allocating %d", i);
1414 ppcurr = list_of_arrays[i];
1415 if (mal)
1416 { *ppcurr = malloc(MAX_STR_LEN); }
1417 else
1418 {
1419 if (*ppcurr)
1420 {
1421 free(*ppcurr);
1422 }
1423 }
1424 }
1425 log_msg(5, "Returning");
1426 */
[1]1427}
1428
1429/**
1430 * Allocate important globals.
1431 * @see do_libmondo_global_strings_thing
1432 */
1433void malloc_libmondo_global_strings(void)
1434{
[128]1435 do_libmondo_global_strings_thing(1);
[1]1436}
1437
1438/**
1439 * Free important globals.
1440 * @see do_libmondo_global_strings_thing
1441 */
1442void free_libmondo_global_strings(void)
1443{
[128]1444 do_libmondo_global_strings_thing(0);
[1]1445}
1446
1447
1448
1449/**
1450 * Stop @c magicdev if it's running.
1451 * The command used to start it is saved in @p g_magicdev_command.
1452 */
1453void stop_magicdev_if_necessary()
1454{
[128]1455 strcpy(g_magicdev_command,
1456 call_program_and_get_last_line_of_output
1457 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1458 if (g_magicdev_command[0]) {
1459 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1460 paranoid_system("killall magicdev");
1461 }
[1]1462}
1463
1464
1465/**
1466 * Restart magicdev if it was stopped.
1467 */
1468void restart_magicdev_if_necessary()
1469{
[2518]1470 char *tmp = NULL;
[128]1471
1472 if (g_magicdev_command && g_magicdev_command[0]) {
[2518]1473 mr_asprintf(&tmp, "%s &", g_magicdev_command);
[128]1474 paranoid_system(tmp);
[2518]1475 mr_free(tmp);
[128]1476 }
[1]1477}
1478
1479/* @} - end of utilityGroup */
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