source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-tools.c@ 2626

Last change on this file since 2626 was 2626, checked in by Bruno Cornec, 14 years ago

Avoid to have multiple similar calls to mkisofs by using macros
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File size: 38.9 KB
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[2030]1/*
[99]2 $Id: libmondo-tools.c 2626 2010-04-28 00:59:33Z 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 2626 2010-04-28 00:59:33Z 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 $3"); // break to debugger
[1]135#endif
[128]136 break;
137 case 'E': // (E)xit
138 fatal_error("Failed assertion -- see above for details");
139 break; /* "can't get here" */
140 case 'I': // (I)gnore
141 break;
142 /* These next two work as follows:
143 the `default' catches the user's invalid choice and says so;
144 the '\n' catches the newline on the end and prints the prompt again.
145 */
146 case '\n':
147 printf
[541]148 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]149 break;
150 default:
151 is_valid = FALSE;
[541]152 printf("Invalid choice.\n");
[128]153 break;
154 }
155 } while (!is_valid);
156
157 if (ignoring_assertions) {
158 log_it("Ignoring ALL assertions from now on.");
159 } else {
160 log_it("Ignoring assertion: %s", exp);
[1]161 }
162
[128]163 getchar(); // skip \n
[1]164
165#ifndef _XWIN
[128]166 if (!g_text_mode)
167 newtResume();
[1]168#endif
169}
170
171/**
172 * Clean's up users' KDE desktops.
173 * @bug Details about this function are unknown.
174 */
175void clean_up_KDE_desktop_if_necessary(void)
176{
[128]177 char *tmp;
[1]178
[128]179 malloc_string(tmp);
180 strcpy(tmp,
181 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]182file=$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/**
336 * Finish configuring the backup information structure. Call this function
337 * to set the parameters that depend on those that can be given on the command
338 * line.
339 *
340 * @param bkpinfo The backup information structure. Fields modified/used:
341 * - Used: @c bkpinfo->backup_data
342 * - Used: @c bkpinfo->backup_media_type
343 * - Used: @c bkpinfo->cdrw_speed
344 * - Used: @c bkpinfo->compression_level
345 * - Used: @c bkpinfo->include_paths
[20]346 * - Used: @c bkpinfo->prefix
[1]347 * - Used: @c bkpinfo->isodir
348 * - Used: @c bkpinfo->manual_cd_tray
349 * - Used: @c bkpinfo->make_cd_use_lilo
350 * - Used: @c bkpinfo->media_device
[2380]351 * - Used: @c bkpinfo->netfs_mount
[1]352 * - Used: @c bkpinfo->nonbootable_backup
353 * - Used: @c bkpinfo->scratchdir
354 * - Used: @c bkpinfo->tmpdir
355 * - Used: @c bkpinfo->use_lzo
356 * - Modified: @c bkpinfo->call_before_iso
357 * - Modified: @c bkpinfo->call_make_iso
358 * - Modified: @c bkpinfo->optimal_set_size
359 * - Modified: @c bkpinfo->zip_exe
360 * - Modified: @c bkpinfo->zip_suffix
361 *
362 * @return number of errors, or 0 for success.
363 * @note Also creates directories that are specified in the @c bkpinfo structure but
364 * do not exist.
365 */
[1645]366int post_param_configuration()
[1]367{
[2211]368 char *extra_cdrom_params = NULL;
369 char *mondo_mkisofs_sz = NULL;
[2518]370 char *command = NULL;
[128]371 char *mtpt;
[2211]372 char *hostname;
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
[128]396 log_msg(1, "Foo");
397 if (bkpinfo->backup_media_type == tape) {
398 log_msg(1, "Bar");
[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 }
499 if (find_home_of_exe("cdrecord")) {
500 strcpy(cdr_exe, "cdrecord");
501 } else if (find_home_of_exe("dvdrecord")) {
502 strcpy(cdr_exe, "dvdrecord");
503 } else {
504 fatal_error("Please install either cdrecord or dvdrecord.");
505 }
506 if (bkpinfo->nonbootable_backup) {
[2211]507 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
[128]508 } else if
[1]509#ifdef __FreeBSD__
[128]510 (TRUE)
[1]511#else
[128]512 (bkpinfo->make_cd_use_lilo)
[1]513#endif
514#ifdef __IA64__
515 {
[2626]516 mr_asprintf(&mondo_mkisofs_sz, "%s _CD#_", MONDO_MKISOFS_REGULAR_ELILO);
[1]517 }
[128]518#else
[1]519 {
[2626]520 mr_asprintf(&mondo_mkisofs_sz, "%s _CD#_", MONDO_MKISOFS_REGULAR_LILO);
[1]521 }
[128]522#endif
523 else
524 {
[2626]525 mr_asprintf(&mondo_mkisofs_sz, "%s _CD#_", MONDO_MKISOFS_REGULAR_SYSLINUX);
[128]526 }
527 if (bkpinfo->manual_cd_tray) {
[163]528 if (bkpinfo->call_before_iso[0] == '\0') {
[128]529 sprintf(bkpinfo->call_before_iso,
[1666]530 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
[163]531 mondo_mkisofs_sz, bkpinfo->tmpdir);
532 } else {
533 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
534 sprintf (bkpinfo->call_before_iso,
[1666]535 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
[163]536 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
537 }
538 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[128]539 sprintf(bkpinfo->call_make_iso,
[1666]540 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
[128]541 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
542 extra_cdrom_params, bkpinfo->media_device,
543 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
544 } else {
545 sprintf(bkpinfo->call_make_iso,
546 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
547 mondo_mkisofs_sz, cdr_exe,
548 (bkpinfo->please_dont_eject) ? " " : "-eject",
549 extra_cdrom_params, bkpinfo->media_device,
550 bkpinfo->cdrw_speed);
551 }
[2211]552 paranoid_free(mondo_mkisofs_sz);
553 paranoid_free(extra_cdrom_params);
[128]554 } // end of CD code
[1]555
[128]556 if (bkpinfo->backup_media_type == iso) {
557
[1]558/* Patch by Conor Daly <conor.daly@met.ie>
559 * 23-june-2004
560 * Break up isodir into iso_mnt and iso_path
561 * These will be used along with iso-dev at restore time
562 * to locate the ISOs where ever they're mounted
563 */
564
[128]565 log_it("isodir = %s", bkpinfo->isodir);
[2518]566 mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
[128]567 bkpinfo->isodir);
568 log_it("command = %s", command);
[2518]569 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
570 mr_asprintf(&iso_dev, "%s", call_program_and_get_last_line_of_output(command));
571 mr_asprintf(&tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
572 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
573 mr_free(tmp);
574 mr_free(command);
[1]575
[2518]576 mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
577 mr_free(iso_dev);
578
[128]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_mnt, "%s", call_program_and_get_last_line_of_output(command));
582 mr_asprintf(&tmp, "%s/ISO-MNT", 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);
586
[128]587 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
[2518]588 mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
[128]589 if (strlen(iso_tmp) < strlen(iso_mnt)) {
[2518]590 mr_asprintf(&iso_path, "%s", "");
[128]591 } else {
[2522]592 // If iso_mnt is only / then iso_path is the full dir
593 // (the formula bellow doesn't work in this case)
594 if (strcmp(iso_mnt, "/") == 0) {
595 mr_asprintf(&iso_path, "%s", iso_tmp);
596 // else it's a part of iso_tmp
597 } else {
598 mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
599 }
[128]600 }
[2518]601 mr_free(iso_tmp);
[2522]602 mr_free(iso_mnt);
[2518]603
604 mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
[128]605 write_one_liner_data_file(tmp, iso_path);
[2518]606 mr_free(tmp);
607
[128]608 log_it("isodir: %s", iso_path);
[2518]609 mr_free(iso_path);
610
611 mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[148]612 write_one_liner_data_file(tmp, bkpinfo->prefix);
[2518]613 mr_free(tmp);
614
[148]615 log_it("iso-prefix: %s", bkpinfo->prefix);
[1]616
617/* End patch */
[128]618 } // end of iso code
[1]619
[2380]620 if (bkpinfo->backup_media_type == netfs) {
621 strcpy(hostname, bkpinfo->netfs_mount);
[128]622 colon = strchr(hostname, ':');
623 if (!colon) {
[2380]624 log_it("netfs mount doesn't have a colon in it");
[128]625 retval++;
626 } else {
627 struct hostent *hent;
[1]628
[128]629 *colon = '\0';
630 hent = gethostbyname(hostname);
631 if (!hent) {
[2380]632 log_it("Can't resolve Network mount (%s): %s", hostname,
[128]633 hstrerror(h_errno));
634 retval++;
635 } else {
[2290]636 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
[2380]637 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
638 strcpy(bkpinfo->netfs_mount, ip_address);
[2211]639 paranoid_free(ip_address);
[128]640 }
641 }
[2380]642 store_netfs_config();
[128]643 }
[1]644
[128]645 log_it("Finished processing incoming params");
646 if (retval) {
647 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
648 }
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 g_backup_media_type = bkpinfo->backup_media_type;
659 paranoid_free(mtpt);
660 paranoid_free(hostname);
661 paranoid_free(cdr_exe);
662 return (retval);
[1]663}
664
665
666
667/**
668 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
669 * Seeds the random-number generator, loads important modules, checks the sanity
670 * of the user's Linux distribution, and deletes logfile.
671 * @param bkpinfo The backup information structure. Will be initialized.
672 * @return number of errors (0 for success)
673 */
[1645]674int pre_param_configuration()
[1]675{
[128]676 int res = 0;
[1652]677 char *tmp = NULL;
[1]678
[128]679 make_hole_for_dir(MNT_CDROM);
680 assert(bkpinfo != NULL);
681 srandom((unsigned long) (time(NULL)));
682 insmod_crucial_modules();
683 if (bkpinfo->disaster_recovery) {
684 if (!does_nonMS_partition_exist()) {
685 fatal_error
686 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
687 }
688 }
[1]689
[2211]690 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
[1652]691 run_program_and_log_output(tmp, FALSE);
692 paranoid_free(tmp);
[128]693 if (find_and_store_mondoarchives_home(g_mondo_home)) {
694 fprintf(stderr,
695 "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");
696 res++;
697 return (res);
698 }
699 res += some_basic_system_sanity_checks();
700 if (res) {
701 log_it("Your distribution did not pass Mondo's sanity test.");
702 }
703 g_current_media_number = 1;
[2380]704 bkpinfo->postnuke_tarball[0] = bkpinfo->netfs_mount[0] = '\0';
[128]705 return (res);
[1]706}
707
[1655]708void setup_tmpdir(char *path) {
[1967]709
[1653]710 char *tmp = NULL;
[1654]711 char *p = NULL;
[1]712
[1999]713 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
[1655]714 /* purging a potential old tmpdir */
[2348]715 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
[2211]716 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
[2348]717 (void)system(tmp);
[1655]718 paranoid_free(tmp);
719 }
[1967]720
[2443]721 /* Always take in account env first */
722 if (getenv("TMPDIR")) {
[2211]723 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[1653]724 } else if (getenv("TMP")) {
[2211]725 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
[2443]726 } else if (path != NULL) {
727 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
[1653]728 } else {
[2211]729 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]730 }
[1654]731 p = mkdtemp(tmp);
732 if (p == NULL) {
733 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
[1653]734 finish(-1);
735 }
[1654]736 strcpy(bkpinfo->tmpdir,p);
737 paranoid_free(tmp);
[1653]738}
[1]739
740
741/**
742 * Reset all fields of the backup information structure to a sensible default.
743 * @param bkpinfo The @c bkpinfo to reset.
744 */
[1645]745void reset_bkpinfo()
[1]746{
[128]747 int i;
[1]748
[128]749 log_msg(1, "Hi");
750 assert(bkpinfo != NULL);
751 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[1653]752
[128]753 bkpinfo->media_device[0] = '\0';
754 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
755 bkpinfo->media_size[i] = -1;
756 }
757 bkpinfo->boot_loader = '\0';
758 bkpinfo->boot_device[0] = '\0';
759 bkpinfo->zip_exe[0] = '\0';
760 bkpinfo->zip_suffix[0] = '\0';
[1966]761 bkpinfo->image_devs[0] = '\0';
762 bkpinfo->compression_level = 3;
[128]763 bkpinfo->use_lzo = FALSE;
[998]764 bkpinfo->use_gzip = FALSE;
[128]765 bkpinfo->do_not_compress_these[0] = '\0';
766 bkpinfo->verify_data = FALSE;
767 bkpinfo->backup_data = FALSE;
768 bkpinfo->restore_data = FALSE;
[1966]769 bkpinfo->use_star = FALSE;
770 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[128]771 bkpinfo->disaster_recovery =
772 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
773 if (bkpinfo->disaster_recovery) {
774 strcpy(bkpinfo->isodir, "/");
775 } else {
[2059]776 strcpy(bkpinfo->isodir, MONDO_CACHE);
[128]777 }
[148]778 strcpy(bkpinfo->prefix, STD_PREFIX);
[1966]779 sensibly_set_tmpdir_and_scratchdir();
[1]780
[128]781 bkpinfo->optimal_set_size = 0;
782 strcpy(bkpinfo->include_paths, "/");
[1966]783 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
784 bkpinfo->include_paths[0] = '\0';
[128]785 bkpinfo->exclude_paths[0] = '\0';
[2424]786 bkpinfo->exclude_devs = NULL;
[1966]787 bkpinfo->restore_path[0] = '\0';
[128]788 bkpinfo->call_before_iso[0] = '\0';
789 bkpinfo->call_make_iso[0] = '\0';
790 bkpinfo->call_burn_iso[0] = '\0';
791 bkpinfo->call_after_iso[0] = '\0';
792 bkpinfo->kernel_path[0] = '\0';
[2380]793 bkpinfo->netfs_mount[0] = '\0';
794 bkpinfo->netfs_proto = NULL;
795 bkpinfo->netfs_user = NULL;
796 bkpinfo->netfs_remote_dir[0] = '\0';
[1966]797 bkpinfo->postnuke_tarball[0] = '\0';
[128]798 bkpinfo->wipe_media_first = FALSE;
[1966]799 bkpinfo->differential = 0;
800 bkpinfo->please_dont_eject = FALSE;
[128]801 bkpinfo->cdrw_speed = 0;
[1966]802 bkpinfo->manual_cd_tray = FALSE;
803 bkpinfo->nonbootable_backup = FALSE;
804 bkpinfo->make_cd_use_lilo = FALSE;
805 bkpinfo->use_obdr = FALSE;
[1967]806 bkpinfo->restore_mode = interactive;
[1]807}
808
809
810
811
812/**
813 * Get the remaining free space (in MB) on @p partition.
814 * @param partition The partition to check free space on (either a device or a mountpoint).
815 * @return The free space on @p partition, in MB.
816 */
[128]817long free_space_on_given_partition(char *partition)
[1]818{
[2518]819 char *out_sz = NULL;
820 char *command = NULL;
[128]821 long res;
[1]822
[128]823 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]824
[2518]825 mr_asprintf(&command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]826 if (system(command)) {
[2518]827 mr_free(command);
[128]828 return (-1);
829 } // partition does not exist
[2518]830 mr_free(command);
831
832 mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
[128]833 partition);
[2518]834 mr_asprintf(&out_sz, "%s", call_program_and_get_last_line_of_output(command));
835 mr_free(command);
836
[128]837 if (strlen(out_sz) == 0) {
[2518]838 mr_free(out_sz);
[128]839 return (-1);
840 } // error within df, probably
841 res = atol(out_sz);
[2518]842 mr_free(out_sz);
[128]843 return (res);
[1]844}
845
846
847
848/**
849 * Check the user's system for sanity. Checks performed:
850 * - make sure user has enough RAM (32mb required, 64mb recommended)
851 * - make sure user has enough free space in @c /
852 * - check kernel for ramdisk support
853 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
854 * - make sure CD-ROM is unmounted
855 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
856 *
857 * @return number of problems with the user's setup (0 for success)
858 */
[128]859int some_basic_system_sanity_checks()
[1]860{
861
[128]862 /*@ buffers ************ */
[2518]863 char *tmp = NULL;
[1]864
[128]865 /*@ int's *************** */
866 int retval = 0;
[1]867
[128]868 mvaddstr_and_log_it(g_currentY, 0,
869 "Checking sanity of your Linux distribution");
[1]870#ifndef __FreeBSD__
[1737]871 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
872 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
[128]873 log_it
874 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
875 run_program_and_log_output
876 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
877 }
[2518]878 mr_asprintf(&tmp, "%s",
[128]879 call_program_and_get_last_line_of_output
880 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
881 if (atol(tmp) < 35000) {
882 retval++;
[541]883 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]884 }
885 if (atol(tmp) < 66000) {
886 log_to_screen
[541]887 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]888 }
[2518]889 mr_free(tmp);
[1]890#endif
891
[128]892 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
893 retval++;
894 log_to_screen
895 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
896 fatal_error
897 ("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. :)");
898 }
[1]899#ifndef __FreeBSD__
[128]900 if (run_program_and_log_output
[273]901 ("grep ramdisk /proc/devices", FALSE)) {
[2194]902 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
[2195]903 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
[2194]904 if (run_program_and_log_output
905 ("grep ramdisk /proc/devices", FALSE)) {
906 if (!ask_me_yes_or_no
907 ("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?"))
908 {
909 // retval++;
910 log_to_screen
911 ("It looks as if your kernel lacks ramdisk and initrd support.");
912 log_to_screen
913 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
914 }
[128]915 }
916 }
[1]917#endif
[128]918 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
919 retval += whine_if_not_found("mkisofs");
920 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
921 retval += whine_if_not_found("cdrecord");
922 }
923 retval += whine_if_not_found("bzip2");
[998]924 retval += whine_if_not_found("gzip");
[128]925 retval += whine_if_not_found("awk");
926 retval += whine_if_not_found("md5sum");
927 retval += whine_if_not_found("strings");
928 retval += whine_if_not_found("mindi");
929 retval += whine_if_not_found("buffer");
[1]930
[128]931 // abort if Windows partition but no ms-sys and parted
[1855]932 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[541]933 log_to_screen("I think you have a Windows 9x partition.");
[128]934 retval += whine_if_not_found("parted");
[1]935 }
936
[128]937 if (!find_home_of_exe("cmp")) {
[2624]938 whine_if_not_found("cmp");
[1]939 }
[128]940 run_program_and_log_output
941 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[2518]942 mr_asprintf(&tmp, "%s",
[128]943 call_program_and_get_last_line_of_output
944 ("mount | grep -E \"cdr(om|w)\""));
945 if (strcmp("", tmp)) {
946 if (strstr(tmp, "autofs")) {
947 log_to_screen
[541]948 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
[128]949 log_to_screen
[541]950 ("if a CD actually is inserted. If a CD is inserted, please");
951 log_to_screen("eject it. Thank you.");
[128]952 log_it
953 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
954 } else
955 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
956 retval++;
[2518]957 mr_free(tmp);
958 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
[128]959 }
960 }
[2518]961 mr_free(tmp);
[1]962
[128]963 run_program_and_log_output("cat /etc/fstab", 5);
[1]964#ifdef __FreeBSD__
[128]965 run_program_and_log_output("vinum printconfig", 5);
[1]966#else
[128]967 run_program_and_log_output("cat /etc/raidtab", 5);
[1]968#endif
969
[128]970 if (run_program_and_log_output("mindi -V", 1)) {
[541]971 log_to_screen("Could not ascertain mindi's version number.");
[128]972 log_to_screen
[541]973 ("You have not installed Mondo and/or Mindi properly.");
974 log_to_screen("Please uninstall and reinstall them both.");
[128]975 fatal_error("Please reinstall Mondo and Mindi.");
976 }
[2518]977 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
[1644]978 if (run_program_and_log_output(tmp, 5)) {
[2518]979 mr_free(tmp);
980 mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
[1644]981 log_to_screen(tmp);
[128]982 log_to_screen
[541]983 ("Please run that command by hand and examine /var/log/mindi.log");
[128]984 log_to_screen
[541]985 ("for more information. Perhaps your /etc/fstab file is insane.");
[128]986 log_to_screen
[541]987 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]988 retval++;
989 }
[2518]990 mr_free(tmp);
[1]991
[196]992 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
[128]993 && !does_file_exist("/etc/raidtab")) {
994 log_to_screen
[541]995 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[558]996 create_raidtab_from_mdstat("/etc/raidtab");
[128]997 }
998
999 if (retval) {
[541]1000 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1001 } else {
[541]1002 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1003 }
1004 return (retval);
[1]1005}
1006
1007/**
1008 * Retrieve the line containing @p label from the config file.
1009 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1010 * @param label What to read from the file.
1011 * @param value Where to put it.
1012 * @return 0 for success, 1 for failure.
1013 */
[128]1014int read_cfg_var(char *config_file, char *label, char *value)
[1]1015{
[128]1016 /*@ buffer ****************************************************** */
[2518]1017 char *command = NULL;
1018 char *tmp = NULL;
[1]1019
[128]1020 /*@ end vars *************************************************** */
[1]1021
[128]1022 assert_string_is_neither_NULL_nor_zerolength(config_file);
1023 assert_string_is_neither_NULL_nor_zerolength(label);
1024 if (!does_file_exist(config_file)) {
[2518]1025 mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
[128]1026 config_file);
1027 log_to_screen(tmp);
[2518]1028 mr_free(tmp);
1029
[128]1030 value[0] = '\0';
1031 return (1);
[1279]1032 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1033 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]1034 return (0);
1035 } else {
[2518]1036 mr_asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
[148]1037 label, config_file);
[128]1038 strcpy(value, call_program_and_get_last_line_of_output(command));
[2518]1039 mr_free(command);
1040
[128]1041 if (strlen(value) == 0) {
1042 return (1);
1043 } else {
1044 return (0);
1045 }
[1]1046 }
1047}
1048
1049
1050
1051/**
1052 * Remount @c supermount if it was unmounted earlier.
1053 */
1054void remount_supermounts_if_necessary()
1055{
[128]1056 if (g_remount_cdrom_at_end) {
1057 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1058 }
1059 if (g_remount_floppy_at_end) {
1060 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1061 }
[1]1062}
1063
1064/**
1065 * Unmount @c supermount if it's mounted.
1066 */
1067void unmount_supermounts_if_necessary()
1068{
[128]1069 if (run_program_and_log_output
1070 ("mount | grep cdrom | grep super", FALSE) == 0) {
1071 g_remount_cdrom_at_end = TRUE;
1072 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1073 }
1074 if (run_program_and_log_output
1075 ("mount | grep floppy | grep super", FALSE) == 0) {
1076 g_remount_floppy_at_end = TRUE;
1077 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1078 }
[1]1079}
1080
1081/**
1082 * Whether we had to stop autofs (if so, restart it at end).
1083 */
[128]1084bool g_autofs_stopped = FALSE;
[1]1085
1086/**
1087 * Path to the autofs initscript ("" if none exists).
1088 */
1089char g_autofs_exe[MAX_STR_LEN];
1090
1091/**
1092 * Autofs initscript in Xandros Linux distribution.
1093 */
1094#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1095
1096/**
1097 * Autofs initscript in most Linux distributions.
1098 */
1099#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1100
1101/**
1102 * If autofs is mounted, stop it (restart at end).
1103 */
1104void stop_autofs_if_necessary()
1105{
[2518]1106 char *tmp = NULL;
[128]1107
1108 g_autofs_exe[0] = '\0';
1109 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1110 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1111 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1112 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1113 }
1114
1115 if (!g_autofs_exe[0]) {
1116 log_msg(3, "No autofs detected.");
1117 } else {
1118 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[2518]1119 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1120 mr_asprintf(&tmp, "%s stop", g_autofs_exe);
[128]1121 if (run_program_and_log_output(tmp, 2)) {
1122 log_it("Failed to stop autofs - I assume it wasn't running");
1123 } else {
1124 g_autofs_stopped = TRUE;
1125 log_it("Stopped autofs OK");
1126 }
[2518]1127 mr_free(tmp);
[128]1128 }
[1]1129}
1130
1131/**
1132 * If autofs was stopped earlier, restart it.
1133 */
1134void restart_autofs_if_necessary()
1135{
[2518]1136 char *tmp = NULL;
[128]1137
1138 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1139 log_msg(3, "No autofs detected.");
1140 return;
1141 }
[2518]1142 mr_asprintf(&tmp, "%s start", g_autofs_exe);
[128]1143 if (run_program_and_log_output(tmp, 2)) {
1144 log_it("Failed to start autofs");
1145 } else {
1146 g_autofs_stopped = FALSE;
1147 log_it("Started autofs OK");
1148 }
[2518]1149 mr_free(tmp);
[1]1150}
1151
1152
1153/**
1154 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1155 */
1156void mount_boot_if_necessary()
1157{
[2518]1158 char *tmp = NULL;
1159 char *command = NULL;
[1]1160
[128]1161 log_msg(1, "Started sub");
1162 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1163 g_boot_mountpt[0] = '\0';
1164 log_msg(4, "Done. Great. Seeting command to something");
[2518]1165 mr_asprintf(&command, "%s",
[911]1166 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[128]1167 log_msg(4, "Cool. Command = '%s'", command);
[2518]1168 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
1169 mr_free(command);
1170
[128]1171 log_msg(4, "tmp = '%s'", tmp);
1172 if (tmp[0]) {
1173 log_it("/boot is at %s according to /etc/fstab", tmp);
[2518]1174 mr_asprintf(&command, "mount | grep -Ew '/boot'");
1175 mr_free(tmp);
1176 mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1177 mr_free(command);
1178
[1818]1179 if (!strcmp(tmp,"")) {
[1791]1180 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1181 if (!run_program_and_log_output("mount /boot", 5)) {
1182 strcpy(g_boot_mountpt, "/boot");
1183 log_msg(1, "Mounted /boot");
1184 } else {
1185 log_it("...ignored cos it's a label or uuid :-)");
1186 }
[128]1187 } else {
[2518]1188 mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
[1791]1189 log_msg(3, "command = %s", command);
1190 if (run_program_and_log_output(command, 5)) {
1191 strcpy(g_boot_mountpt, tmp);
[2518]1192 mr_free(tmp);
1193 mr_asprintf(&tmp,
[1791]1194 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1195 g_boot_mountpt);
1196 log_it(tmp);
[2518]1197 mr_free(tmp);
1198
1199 mr_asprintf(&tmp, "mount %s", g_boot_mountpt);
[1791]1200 if (run_program_and_log_output(tmp, 5)) {
1201 g_boot_mountpt[0] = '\0';
1202 log_msg(1, "Plan B");
1203 if (!run_program_and_log_output("mount /boot", 5)) {
1204 strcpy(g_boot_mountpt, "/boot");
1205 log_msg(1, "Plan B worked");
1206 } else {
1207 log_msg(1,
[128]1208 "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]1209 }
[128]1210 }
[2518]1211 mr_free(tmp);
[128]1212 }
[2518]1213 mr_free(command);
[128]1214 }
1215 }
[1]1216 }
[128]1217 log_msg(1, "Ended sub");
[1]1218}
1219
1220
1221/**
1222 * If we mounted /boot earlier, unmount it.
1223 */
1224void unmount_boot_if_necessary()
1225{
[2518]1226 char *tmp = NULL;
[1]1227
[128]1228 log_msg(3, "starting");
1229 if (g_boot_mountpt[0]) {
[2518]1230 mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
[128]1231 if (run_program_and_log_output(tmp, 5)) {
1232 log_it("WARNING - unable to unmount /boot");
1233 }
[2518]1234 mr_free(tmp);
[128]1235 }
1236 log_msg(3, "leaving");
[1]1237}
1238
1239
1240
1241/**
1242 * Write a line to a configuration file. Writes a line of the form,
1243 * @c label @c value.
1244 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1245 * @param label What to call this bit of data you're writing.
1246 * @param value The bit of data you're writing.
1247 * @return 0 for success, 1 for failure.
1248 */
[128]1249int write_cfg_var(char *config_file, char *label, char *value)
[1]1250{
[128]1251 /*@ buffers ***************************************************** */
[2518]1252 char *command = NULL;
1253 char *tempfile = NULL;
1254 char *tmp = NULL;
[1]1255
1256
[128]1257 /*@ end vars *************************************************** */
1258 assert_string_is_neither_NULL_nor_zerolength(config_file);
1259 assert_string_is_neither_NULL_nor_zerolength(label);
1260 assert(value != NULL);
1261 if (!does_file_exist(config_file)) {
[2518]1262 mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
[128]1263 config_file);
1264 log_to_screen(tmp);
[2518]1265 mr_free(tmp);
[128]1266 return (1);
1267 }
[2518]1268 mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]1269 if (does_file_exist(config_file)) {
[2524]1270 mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
[148]1271 label, config_file, tempfile);
[128]1272 paranoid_system(command);
[2518]1273 mr_free(command);
[128]1274 }
[2518]1275 mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]1276 paranoid_system(command);
[2518]1277 mr_free(command);
1278
1279 mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
[128]1280 paranoid_system(command);
[2518]1281 mr_free(command);
[128]1282 unlink(tempfile);
[2518]1283 mr_free(tempfile);
[128]1284 return (0);
[1]1285}
1286
[541]1287
[1]1288/**
[541]1289 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1290 * information to the logfile.
1291 */
1292void standard_log_debug_msg(int debug_level, const char *szFile,
1293 const char *szFunction, int nLine,
1294 const char *fmt, ...)
1295{
1296 va_list args;
1297 int i;
1298 static int depth = 0;
1299 FILE *fout;
1300
1301 if (depth > 5) {
1302 depth--;
1303 return;
1304 }
1305 depth++;
1306
1307 if (debug_level <= g_loglevel) {
1308 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1309 return;
[1946]1310 } // fatal_error("Failed to openout to logfile - sheesh..."); }
[541]1311
1312 // add tabs to distinguish log levels
1313 if (debug_level > 0) {
1314 for (i = 1; i < debug_level; i++)
1315 fprintf(fout, "\t");
1316 if (getpid() == g_main_pid)
[2205]1317 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1318 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]1319 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1320 else
[2205]1321 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[541]1322 }
[2230]1323 va_start(args, fmt);
[541]1324 vfprintf(fout, fmt, args);
[2230]1325 va_end(args);
[541]1326
1327 // do not slow down the progran if standard debug level
1328 // must be enabled: if no flush, the log won't be up-to-date if there
1329 // is a segfault
1330 //if (g_dwDebugLevel != 1)
1331
1332 fprintf(fout, "\n");
1333 paranoid_fclose(fout);
1334 }
1335 depth--;
1336}
1337
1338/**
1339 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1340 */
1341void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1342 ...) = standard_log_debug_msg;
1343
1344
1345/**
[1]1346 * If @p y, malloc @p x, else free @p x.
1347 * @bug This function seems orphaned. Please remove.
1348 */
1349#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1350
1351/**
1352 * Allocate or free important globals, depending on @p mal.
1353 * @param mal If TRUE, malloc; if FALSE, free.
1354 */
1355void do_libmondo_global_strings_thing(int mal)
1356{
[128]1357 if (mal) {
1358 malloc_string(g_boot_mountpt);
1359 malloc_string(g_mondo_home);
[2030]1360 /*
[128]1361 malloc_string(g_tmpfs_mountpt);
[2030]1362 */
[128]1363 malloc_string(g_serial_string);
1364 malloc_string(g_magicdev_command);
1365 } else {
1366 paranoid_free(g_boot_mountpt);
1367 paranoid_free(g_mondo_home);
[2030]1368 /*
[128]1369 paranoid_free(g_tmpfs_mountpt);
[2030]1370 */
[128]1371 paranoid_free(g_serial_string);
1372 paranoid_free(g_magicdev_command);
[2226]1373
[128]1374 }
[541]1375
1376 /*
1377 char**list_of_arrays[] = {
1378 &g_boot_mountpt,
1379 &g_mondo_home,
1380 &g_tmpfs_mountpt,
1381 &g_serial_string,
1382 &g_magicdev_command,
1383 NULL};
1384
1385 char**ppcurr;
1386 int i;
1387
1388 for(i=0;list_of_arrays[i];i++)
1389 {
1390 log_msg(5, "Allocating %d", i);
1391 ppcurr = list_of_arrays[i];
1392 if (mal)
1393 { *ppcurr = malloc(MAX_STR_LEN); }
1394 else
1395 {
1396 if (*ppcurr)
1397 {
1398 free(*ppcurr);
1399 }
1400 }
1401 }
1402 log_msg(5, "Returning");
1403 */
[1]1404}
1405
1406/**
1407 * Allocate important globals.
1408 * @see do_libmondo_global_strings_thing
1409 */
1410void malloc_libmondo_global_strings(void)
1411{
[128]1412 do_libmondo_global_strings_thing(1);
[1]1413}
1414
1415/**
1416 * Free important globals.
1417 * @see do_libmondo_global_strings_thing
1418 */
1419void free_libmondo_global_strings(void)
1420{
[128]1421 do_libmondo_global_strings_thing(0);
[1]1422}
1423
1424
1425
1426/**
1427 * Stop @c magicdev if it's running.
1428 * The command used to start it is saved in @p g_magicdev_command.
1429 */
1430void stop_magicdev_if_necessary()
1431{
[128]1432 strcpy(g_magicdev_command,
1433 call_program_and_get_last_line_of_output
1434 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1435 if (g_magicdev_command[0]) {
1436 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1437 paranoid_system("killall magicdev");
1438 }
[1]1439}
1440
1441
1442/**
1443 * Restart magicdev if it was stopped.
1444 */
1445void restart_magicdev_if_necessary()
1446{
[2518]1447 char *tmp = NULL;
[128]1448
1449 if (g_magicdev_command && g_magicdev_command[0]) {
[2518]1450 mr_asprintf(&tmp, "%s &", g_magicdev_command);
[128]1451 paranoid_system(tmp);
[2518]1452 mr_free(tmp);
[128]1453 }
[1]1454}
1455
1456/* @} - end of utilityGroup */
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