source: MondoRescue/trunk/mondo/mondo/common/libmondo-tools.c@ 160

Last change on this file since 160 was 149, checked in by bcornec, 18 years ago

merge -r144:148 $SVN_M/branches/2.05
  • Property svn:keywords set to Id
File size: 38.8 KB
RevLine 
[58]1/* $Id: libmondo-tools.c 149 2005-12-03 22:38:14Z bcornec $
2misc tools
[1]3*/
4
5/**
6 * @file
7 * Miscellaneous tools that didn't really fit anywhere else.
8 */
9
10#include "my-stuff.h"
11#include "mondostructures.h"
12#include "lib-common-externs.h"
13#include "libmondo-tools.h"
14#include "libmondo-gui-EXT.h"
15#include "libmondo-files-EXT.h"
16#include "libmondo-fork-EXT.h"
17#include "libmondo-raid-EXT.h"
18#include <sys/socket.h>
19#include <netdb.h>
20#include <netinet/in.h>
[146]21#ifndef S_SPLINT_S
[1]22#include <arpa/inet.h>
[146]23#endif
[1]24
25/*@unused@*/
[49]26//static char cvsid[] = "$Id: libmondo-tools.c 149 2005-12-03 22:38:14Z bcornec $";
[1]27
28extern int g_tape_buffer_size_MB;
29extern char *g_erase_tmpdir_and_scratchdir;
30extern char *g_serial_string;
31extern bool g_text_mode;
32extern int g_currentY;
33extern int g_current_media_number;
34
35/**
36 * @addtogroup globalGroup
37 * @{
38 */
[49]39bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
40 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
41bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]42double g_kernel_version;
43
44/**
[94]45 * The place where /boot is mounted. - Used locally only
[1]46 */
[94]47static char *g_boot_mountpt = NULL;
[1]48
49/**
50 * The location of Mondo's home directory.
51 */
[49]52char *g_mondo_home = NULL;
[1]53
54/**
55 * The serial string (used to differentiate between backups) of the current backup.
56 */
[49]57char *g_serial_string = NULL;
[1]58
59/**
60 * The location where tmpfs is mounted, or "" if it's not mounted.
61 */
[49]62char *g_tmpfs_mountpt = NULL;
63char *g_magicdev_command = NULL;
[1]64
65/**
66 * The default maximum level to log messages at or below.
67 */
[49]68int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]69
70/* @} - end of globalGroup */
71
72
73extern pid_t g_buffer_pid;
74extern pid_t g_main_pid;
75
76extern t_bkptype g_backup_media_type;
77
78extern bool am_I_in_disaster_recovery_mode(void);
79
80
81/**
82 * @addtogroup utilityGroup
83 * @{
84 */
85/**
86 * Assertion handler. Prints a friendly message to the user,
87 * offering to ignore all, dump core, break to debugger,
88 * exit, or ignore. Intended to be used with an assert() macro.
89 *
90 * @param file The file in which the assertion triggered.
91 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
92 * @param line The line number of the assert() statement.
93 * @param exp The expression that failed (as a string).
94 */
[49]95void _mondo_assert_fail(const char *file,
96 const char *function, int line, const char *exp)
[1]97{
[49]98 static int ignoring_assertions = 0;
99 bool is_valid = TRUE;
[1]100
[49]101 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
102 function);
103 if (ignoring_assertions) {
104 log_it("Well, the user doesn't care...");
105 return;
106 }
[1]107#ifndef _XWIN
[49]108 if (!g_text_mode)
109 newtSuspend();
[1]110#endif
[49]111 printf("ASSERTION FAILED: `%s'\n", exp);
112 printf("\tat %s:%d in %s\n\n", file, line, function);
113 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
114 do {
115 is_valid = TRUE;
116 switch (toupper(getchar())) {
117 case 'A': // ignore (A)ll
118 ignoring_assertions = 1;
119 break;
120 case 'B': // a(B)ort
121 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
122 raise(SIGABRT);
123 break; /* "can't get here" */
124 case 'D': // (D)ebug, aka asm("int 3")
[1]125#ifdef __IA32__
[49]126 __asm__ __volatile__("int $3"); // break to debugger
[1]127#endif
[49]128 break;
129 case 'E': // (E)xit
130 fatal_error("Failed assertion -- see above for details");
131 break; /* "can't get here" */
132 case 'I': // (I)gnore
133 break;
134 /* These next two work as follows:
135 the `default' catches the user's invalid choice and says so;
136 the '\n' catches the newline on the end and prints the prompt again.
137 */
138 case '\n':
139 printf
140 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
141 break;
142 default:
143 is_valid = FALSE;
144 printf("Invalid choice.\n");
145 break;
146 }
147 } while (!is_valid);
148
149 if (ignoring_assertions) {
150 log_it("Ignoring ALL assertions from now on.");
151 } else {
152 log_it("Ignoring assertion: %s", exp);
[1]153 }
154
[49]155 getchar(); // skip \n
[1]156
157#ifndef _XWIN
[49]158 if (!g_text_mode)
159 newtResume();
[1]160#endif
161}
162
163/**
164 * Clean's up users' KDE desktops.
165 * @bug Details about this function are unknown.
166 */
167void clean_up_KDE_desktop_if_necessary(void)
168{
[49]169 char *tmp;
[1]170
[94]171 asprintf(&tmp,
[127]172 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]173file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
174cat $file.old | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
175else { print $0;};}' > $file ; fi ; done");
[49]176 run_program_and_log_output(tmp, 5);
177 paranoid_free(tmp);
[1]178}
179
180
181/**
182 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
183 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
184 *
185 * @param home_sz String to store the home directory ("" if it could not be found).
186 * @return 0 for success, nonzero for failure.
187 */
[94]188char *find_and_store_mondoarchives_home()
[1]189{
[94]190 char *home_sz = NULL;
191
192 asprintf(&home_sz,
[127]193 call_program_and_get_last_line_of_output
194 ("find /usr/lib/ /usr/local/ /usr/share/ /usr/local/share/ /opt/ /ramdisk/usr/share/ -type d -maxdepth 2 -name include -prune -o -type d -maxdepth 2 -path '*/mondo/restore-scripts' -printf '%h\n' 2> /dev/null"));
[1]195
[49]196 if (home_sz[0] == '\0') {
[94]197 paranoid_free(home_sz);
198 asprintf(&home_sz,
[127]199 call_program_and_get_last_line_of_output
200 ("find /usr -type d -path '*/mondo/restore-scripts' -follow -maxdepth 3 -printf '%h\n' 2> /dev/null"));
[49]201 }
202 if (home_sz[0] == '\0') {
[94]203 paranoid_free(home_sz);
204 home_sz = NULL;
[49]205 } else {
[94]206 log_it("mondoarchive home found at %s", home_sz);
[49]207 }
[94]208 return (home_sz);
[1]209}
210
211
212char *get_architecture()
213{
214#ifdef __IA32__
[49]215 return ("i386");
[1]216#endif
[94]217#ifdef __X86_64__
218 return ("x86-64");
219#endif
[1]220#ifdef __IA64__
[49]221 return ("ia64");
[1]222#endif
[49]223 return ("unknown");
[1]224}
225
226
227
228double get_kernel_version()
229{
[94]230 char *p, *tmp;
[49]231 double d;
[1]232#ifdef __FreeBSD__
[49]233 // JOSH - FIXME :)
234 d = 5.2; // :-)
[1]235#else
[94]236 asprintf(&tmp, call_program_and_get_last_line_of_output("uname -r"));
[49]237 p = strchr(tmp, '.');
238 if (p) {
239 p = strchr(++p, '.');
240 if (p) {
241 while (*p) {
242 *p = *(p + 1);
243 p++;
244 }
245 }
246 }
[1]247// log_msg(1, "tmp = '%s'", tmp);
[49]248 d = atof(tmp);
[1]249#endif
[49]250 log_msg(1, "g_kernel_version = %f", d);
251 return (d);
[1]252}
253
254
255
256
257
258/**
259 * Get the current time.
260 * @return number of seconds since the epoch.
261 */
[49]262long get_time()
[1]263{
[49]264 return (long) time((void *) 0);
[1]265}
266
267
268
269
270
271
272
273/**
274 * Initialize a RAID volume structure, setting fields to zero. The
275 * actual hard drive is unaffected.
276 *
277 * @param raidrec The RAID volume structure to initialize.
278 * @note This function is system dependent.
279 */
280#ifdef __FreeBSD__
[49]281void initialize_raidrec(struct vinum_volume *raidrec)
[1]282{
[49]283 int i, j;
284 raidrec->volname[0] = '\0';
285 raidrec->plexes = 0;
286 for (i = 0; i < 9; ++i) {
287 raidrec->plex[i].raidlevel = -1;
288 raidrec->plex[i].stripesize = 0;
289 raidrec->plex[i].subdisks = 0;
290 for (j = 0; j < 9; ++j) {
291 strcpy(raidrec->plex[i].sd[j].which_device, "");
292 }
293 }
[1]294}
295#else
[49]296void initialize_raidrec(struct raid_device_record *raidrec)
[1]297{
[49]298 assert(raidrec != NULL);
299 raidrec->raid_device[0] = '\0';
300 raidrec->raid_level = 0;
301 raidrec->chunk_size = 4;
302 raidrec->persistent_superblock = 1;
303 raidrec->data_disks.entries = 0;
304 raidrec->spare_disks.entries = 0;
305 raidrec->parity_disks.entries = 0;
306 raidrec->failed_disks.entries = 0;
307 raidrec->additional_vars.entries = 0;
[1]308}
309#endif
310
311
312
313
314/**
315 * Insert modules that Mondo requires.
316 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
317 * @c msdosfs and @c ext2fs for FreeBSD.
318 */
319void insmod_crucial_modules(void)
320{
321#ifdef __FreeBSD__
[49]322 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
323 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]324#else
[94]325 system("modprobe -a dos fat vfat loop &> /dev/null");
[1]326#endif
327}
328
329
330/**
331 * Finish configuring the backup information structure. Call this function
332 * to set the parameters that depend on those that can be given on the command
333 * line.
334 *
335 * @param bkpinfo The backup information structure. Fields modified/used:
336 * - Used: @c bkpinfo->backup_data
337 * - Used: @c bkpinfo->backup_media_type
338 * - Used: @c bkpinfo->cdrw_speed
339 * - Used: @c bkpinfo->compression_level
340 * - Used: @c bkpinfo->include_paths
[20]341 * - Used: @c bkpinfo->prefix
[1]342 * - Used: @c bkpinfo->isodir
343 * - Used: @c bkpinfo->manual_cd_tray
344 * - Used: @c bkpinfo->make_cd_use_lilo
345 * - Used: @c bkpinfo->media_device
346 * - Used: @c bkpinfo->nfs_mount
347 * - Used: @c bkpinfo->nonbootable_backup
348 * - Used: @c bkpinfo->scratchdir
349 * - Used: @c bkpinfo->tmpdir
350 * - Used: @c bkpinfo->use_lzo
351 * - Modified: @c bkpinfo->call_before_iso
352 * - Modified: @c bkpinfo->call_make_iso
353 * - Modified: @c bkpinfo->optimal_set_size
354 * - Modified: @c bkpinfo->zip_exe
355 * - Modified: @c bkpinfo->zip_suffix
356 *
357 * @return number of errors, or 0 for success.
358 * @note Also creates directories that are specified in the @c bkpinfo structure but
359 * do not exist.
360 */
[49]361int post_param_configuration(struct s_bkpinfo *bkpinfo)
[1]362{
[94]363 char *extra_cdrom_params = NULL;
364 char *mondo_mkisofs_sz = NULL;
[49]365 char *command;
366 char *hostname, *ip_address;
367 int retval = 0;
368 long avm = 0;
369 char *colon;
370 char *cdr_exe;
371 char *tmp;
[94]372 char *tmp1;
[49]373 int rdsiz_MB;
374 char *iso_path;
[1]375
[49]376 assert(bkpinfo != NULL);
377 bkpinfo->optimal_set_size =
378 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
379 1024;
[1]380
[49]381 log_msg(1, "Foo");
382 if (bkpinfo->backup_media_type == tape) {
383 log_msg(1, "Bar");
[94]384 asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
[49]385 log_msg(1, "tmp = '%s'", tmp);
386 if (run_program_and_log_output(tmp, 3)) {
387 fatal_error
388 ("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.");
389 }
[94]390 paranoid_free(tmp);
[1]391 }
[49]392 make_hole_for_dir(bkpinfo->scratchdir);
393 make_hole_for_dir(bkpinfo->tmpdir);
394 if (bkpinfo->backup_media_type == iso)
395 make_hole_for_dir(bkpinfo->isodir);
[1]396
[49]397 run_program_and_log_output("uname -a", 5);
398 run_program_and_log_output("cat /etc/*issue*", 5);
[94]399 asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
400 asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
[49]401 paranoid_system(command);
[94]402 paranoid_free(command);
[49]403 rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
[1]404#ifdef __FreeBSD__
[94]405 asprintf(&tmp,
[127]406 call_program_and_get_last_line_of_output
407 ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
[49]408 avm += atol(tmp);
[94]409 paranoid_free(tmp);
410 asprintf(&tmp,
[127]411 call_program_and_get_last_line_of_output
412 ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
[49]413 avm += atol(tmp);
[94]414 paranoid_free(tmp);
415 asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
[127]416 g_tmpfs_mountpt);
[1]417#else
[94]418 asprintf(&tmp,
[127]419 call_program_and_get_last_line_of_output
420 ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
[49]421 avm += atol(tmp);
[94]422 paranoid_free(tmp);
423 asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
[127]424 g_tmpfs_mountpt, rdsiz_MB, 'm');
[49]425 run_program_and_log_output("cat /proc/cpuinfo", 5);
[94]426 /* BERLIOS: rpm is not necessarily there ! */
[49]427 run_program_and_log_output
428 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
429 5);
[1]430#endif
[49]431 if (avm / 1024 > rdsiz_MB * 3) {
432 if (run_program_and_log_output(command, 5)) {
433 g_tmpfs_mountpt[0] = '\0';
434 log_it("Failed to mount tmpfs");
435 } else {
436 log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
437 }
438 } else {
439 g_tmpfs_mountpt[0] = '\0';
440 log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
[1]441 }
[94]442 paranoid_free(command);
[49]443
444 if (bkpinfo->use_lzo) {
445 strcpy(bkpinfo->zip_exe, "lzop");
446 strcpy(bkpinfo->zip_suffix, "lzo");
447 } else if (bkpinfo->compression_level != 0) {
448 strcpy(bkpinfo->zip_exe, "bzip2");
449 strcpy(bkpinfo->zip_suffix, "bz2");
450 } else {
451 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]452 }
453
454// DVD
455
[49]456 if (bkpinfo->backup_media_type == dvd) {
[127]457 if (!(find_home_of_exe("growisofs"))) {
[49]458 fatal_error("Please install growisofs.");
459 }
460 if (bkpinfo->nonbootable_backup) {
[94]461 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[49]462 } else if
[1]463#ifdef __FreeBSD__
[49]464 (TRUE)
[1]465#else
[49]466 (bkpinfo->make_cd_use_lilo)
[1]467#endif
468#ifdef __IA64__
[49]469 {
[94]470 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[49]471 }
[1]472#else
473 {
[94]474 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]475 }
[49]476#endif
477 else
478 {
[94]479 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[49]480 }
481 if (bkpinfo->manual_cd_tray) {
482 fatal_error("Manual CD tray + DVD not supported yet.");
483 // -m isn't supported by growisofs, BTW...
484 } else {
485 sprintf(bkpinfo->call_make_iso,
486 "%s %s -Z %s . 2>> _ERR_",
[127]487 mondo_mkisofs_sz, "", bkpinfo->media_device);
[49]488 }
[94]489 paranoid_free(mondo_mkisofs_sz);
490
[89]491 if (getenv("SUDO_COMMAND")) {
492 fatal_error
493 ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
[72]494 }
[49]495 log_msg(2, "call_make_iso (DVD res) is ... %s",
496 bkpinfo->call_make_iso);
497 } // end of DVD code
[1]498
499// CD-R or CD-RW
[49]500 if (bkpinfo->backup_media_type == cdrw
501 || bkpinfo->backup_media_type == cdr) {
502 if (!bkpinfo->manual_cd_tray) {
[94]503 asprintf(&extra_cdrom_params, "-waiti ");
[49]504 }
505 if (bkpinfo->backup_media_type == cdrw) {
[94]506 if (extra_cdrom_params != NULL) {
507 asprintf(&tmp, extra_cdrom_params);
508 paranoid_free(extra_cdrom_params);
509 asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
510 } else {
511 asprintf(&extra_cdrom_params, "blank=fast ");
512 }
[49]513 }
514 if (find_home_of_exe("cdrecord")) {
[94]515 asprintf(&cdr_exe, "cdrecord");
[49]516 } else if (find_home_of_exe("dvdrecord")) {
[94]517 asprintf(&cdr_exe, "dvdrecord");
[49]518 } else {
519 fatal_error("Please install either cdrecord or dvdrecord.");
520 }
521 if (bkpinfo->nonbootable_backup) {
[94]522 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
[49]523 } else if
[1]524#ifdef __FreeBSD__
[49]525 (TRUE)
[1]526#else
[49]527 (bkpinfo->make_cd_use_lilo)
[1]528#endif
529#ifdef __IA64__
530 {
[94]531 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]532 }
[49]533#else
[1]534 {
[94]535 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]536 }
[49]537#endif
538 else
539 {
[94]540 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
[49]541 }
542 if (bkpinfo->manual_cd_tray) {
543 sprintf(bkpinfo->call_before_iso,
544 "%s -o %s/temporary.iso . 2>> _ERR_", mondo_mkisofs_sz,
545 bkpinfo->tmpdir);
546 sprintf(bkpinfo->call_make_iso,
547 "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
548 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
549 extra_cdrom_params, bkpinfo->media_device,
550 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
551 } else {
552 sprintf(bkpinfo->call_make_iso,
553 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
554 mondo_mkisofs_sz, cdr_exe,
555 (bkpinfo->please_dont_eject) ? " " : "-eject",
556 extra_cdrom_params, bkpinfo->media_device,
557 bkpinfo->cdrw_speed);
558 }
[94]559 paranoid_free(mondo_mkisofs_sz);
560 paranoid_free(cdr_exe);
561 paranoid_free(extra_cdrom_params);
[49]562 } // end of CD code
[1]563
[49]564 if (bkpinfo->backup_media_type == iso) {
565
[1]566/* Patch by Conor Daly <conor.daly@met.ie>
567 * 23-june-2004
568 * Break up isodir into iso_mnt and iso_path
569 * These will be used along with iso-dev at restore time
570 * to locate the ISOs where ever they're mounted
571 */
572
[49]573 log_it("isodir = %s", bkpinfo->isodir);
[94]574 asprintf(&command, "df %s | tail -n1 | cut -d' ' -f1",
[127]575 bkpinfo->isodir);
[49]576 log_it("command = %s", command);
[94]577 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
578 paranoid_free(command);
579 log_it("res of it = %s", tmp);
580 asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
581 write_one_liner_data_file(tmp1, tmp);
582 paranoid_free(tmp1);
[1]583
[94]584 asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
[127]585 tmp);
[94]586 paranoid_free(tmp);
[49]587 log_it("command = %s", command);
[94]588 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
589 paranoid_free(command);
590 log_it("res of it = %s", tmp);
591
592 asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
593 write_one_liner_data_file(tmp1, tmp);
594 paranoid_free(tmp1);
595
596 log_it("isomnt: %s, %d", tmp, strlen(tmp));
597 if (strlen(bkpinfo->isodir) < strlen(tmp)) {
[127]598 asprintf(&iso_path, "");
[49]599 } else {
[94]600 asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
[49]601 }
[94]602 paranoid_free(tmp);
603
604 asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
[49]605 write_one_liner_data_file(tmp, iso_path);
[94]606 paranoid_free(tmp);
[49]607 log_it("isodir: %s", iso_path);
[94]608 paranoid_free(iso_path);
[149]609 asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
610 write_one_liner_data_file(tmp, bkpinfo->prefix);
611 log_it("iso-prefix: %s", bkpinfo->prefix);
612 paranoid_free(tmp);
[1]613/* End patch */
[49]614 } // end of iso code
[1]615
[49]616 if (bkpinfo->backup_media_type == nfs) {
[94]617 asprintf(&hostname, bkpinfo->nfs_mount);
[49]618 colon = strchr(hostname, ':');
619 if (!colon) {
620 log_it("nfs mount doesn't have a colon in it");
621 retval++;
622 } else {
623 struct hostent *hent;
[1]624
[49]625 *colon = '\0';
626 hent = gethostbyname(hostname);
627 if (!hent) {
628 log_it("Can't resolve NFS mount (%s): %s", hostname,
629 hstrerror(h_errno));
630 retval++;
631 } else {
[94]632 asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
[127]633 *((struct in_addr
634 *) hent->
635 h_addr)),
636 strchr(bkpinfo->nfs_mount, ':'));
[49]637 strcpy(bkpinfo->nfs_mount, ip_address);
[94]638 paranoid_free(ip_address);
[49]639 }
640 }
[89]641 store_nfs_config(bkpinfo);
[94]642 paranoid_free(hostname);
[49]643 }
[1]644
[49]645 log_it("Finished processing incoming params");
646 if (retval) {
647 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
648 }
[94]649 asprintf(&tmp, "%s", MONDO_TMPISOS);
[49]650 if (does_file_exist(tmp)) {
651 unlink(tmp);
652 }
[94]653 paranoid_free(tmp);
654
[49]655 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
656 log_it("tmpdir or scratchdir are blank/missing");
657 retval++;
658 }
659 if (bkpinfo->include_paths[0] == '\0') {
660 // fatal_error ("Why no backup path?");
661 strcpy(bkpinfo->include_paths, "/");
662 }
663 chmod(bkpinfo->scratchdir, 0700);
664 chmod(bkpinfo->tmpdir, 0700);
665 g_backup_media_type = bkpinfo->backup_media_type;
666 return (retval);
[1]667}
668
669
670
671/**
672 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
673 * Seeds the random-number generator, loads important modules, checks the sanity
674 * of the user's Linux distribution, and deletes logfile.
675 * @param bkpinfo The backup information structure. Will be initialized.
676 * @return number of errors (0 for success)
677 */
678int pre_param_configuration(struct s_bkpinfo *bkpinfo)
679{
[49]680 int res = 0;
[1]681
[49]682 make_hole_for_dir(MNT_CDROM);
683 assert(bkpinfo != NULL);
684 srandom((unsigned long) (time(NULL)));
685 insmod_crucial_modules();
686 reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
687 if (bkpinfo->disaster_recovery) {
688 if (!does_nonMS_partition_exist()) {
689 fatal_error
690 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
691 }
692 }
[1]693
[49]694 unlink(MONDO_TRACEFILE);
695 run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
[94]696 if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
[49]697 fprintf(stderr,
698 "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");
699 res++;
700 return (res);
701 }
702 res += some_basic_system_sanity_checks();
703 if (res) {
704 log_it("Your distribution did not pass Mondo's sanity test.");
705 }
706 g_current_media_number = 1;
707 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
708 return (res);
[1]709}
710
711
712
713
714/**
715 * Reset all fields of the backup information structure to a sensible default.
716 * @param bkpinfo The @c bkpinfo to reset.
717 */
[49]718void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
[1]719{
[49]720 int i;
[1]721
[49]722 log_msg(1, "Hi");
723 assert(bkpinfo != NULL);
724 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
725 bkpinfo->manual_cd_tray = FALSE;
726 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
727 bkpinfo->media_device[0] = '\0';
728 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
729 bkpinfo->media_size[i] = -1;
730 }
731 bkpinfo->boot_loader = '\0';
732 bkpinfo->boot_device[0] = '\0';
733 bkpinfo->zip_exe[0] = '\0';
734 bkpinfo->zip_suffix[0] = '\0';
735 bkpinfo->restore_path[0] = '\0';
736 bkpinfo->use_lzo = FALSE;
737 bkpinfo->do_not_compress_these[0] = '\0';
738 bkpinfo->verify_data = FALSE;
739 bkpinfo->backup_data = FALSE;
740 bkpinfo->restore_data = FALSE;
741 bkpinfo->disaster_recovery =
742 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
743 if (bkpinfo->disaster_recovery) {
744 strcpy(bkpinfo->isodir, "/");
745 } else {
746 strcpy(bkpinfo->isodir, "/root/images/mondo");
747 }
[149]748 strcpy(bkpinfo->prefix, STD_PREFIX);
[1]749
[49]750 bkpinfo->scratchdir[0] = '\0';
751 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
752 sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
753 bkpinfo->optimal_set_size = 0;
754 bkpinfo->backup_media_type = none;
755 strcpy(bkpinfo->include_paths, "/");
756 bkpinfo->exclude_paths[0] = '\0';
757 bkpinfo->call_before_iso[0] = '\0';
758 bkpinfo->call_make_iso[0] = '\0';
759 bkpinfo->call_burn_iso[0] = '\0';
760 bkpinfo->call_after_iso[0] = '\0';
761 bkpinfo->image_devs[0] = '\0';
762 bkpinfo->postnuke_tarball[0] = '\0';
763 bkpinfo->kernel_path[0] = '\0';
764 bkpinfo->nfs_mount[0] = '\0';
765 bkpinfo->nfs_remote_dir[0] = '\0';
766 bkpinfo->wipe_media_first = FALSE;
767 bkpinfo->differential = FALSE;
768 bkpinfo->cdrw_speed = 0;
[1]769// patch by Herman Kuster
[49]770 bkpinfo->differential = 0;
[1]771// patch end
[49]772 bkpinfo->compression_level = 3;
[1]773}
774
775
776
777
778/**
779 * Get the remaining free space (in MB) on @p partition.
780 * @param partition The partition to check free space on (either a device or a mountpoint).
781 * @return The free space on @p partition, in MB.
782 */
[49]783long free_space_on_given_partition(char *partition)
[1]784{
[94]785 char *command, *out_sz;
[49]786 long res;
[1]787
[49]788 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]789
[94]790 asprintf(&command, "df -m %s &> /dev/null", partition);
[49]791 if (system(command)) {
792 return (-1);
793 } // partition does not exist
[94]794 paranoid_free(command);
795
796 asprintf(&command, "df -m %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
[127]797 partition);
[94]798 asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
799 paranoid_free(command);
[49]800 if (strlen(out_sz) == 0) {
801 return (-1);
802 } // error within df, probably
803 res = atol(out_sz);
[94]804 paranoid_free(out_sz);
[49]805 return (res);
[1]806}
807
808
809
810/**
811 * Check the user's system for sanity. Checks performed:
812 * - make sure user has enough RAM (32mb required, 64mb recommended)
813 * - make sure user has enough free space in @c /
814 * - check kernel for ramdisk support
815 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
816 * - make sure CD-ROM is unmounted
817 * - make sure /etc/modules.conf exists
818 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
819 *
820 * @return number of problems with the user's setup (0 for success)
821 */
[49]822int some_basic_system_sanity_checks()
[1]823{
824
[49]825 /*@ buffers ************ */
[94]826 char *tmp;
[1]827
[49]828 /*@ int's *************** */
829 int retval = 0;
830 long Lres;
[1]831
832
[49]833 mvaddstr_and_log_it(g_currentY, 0,
834 "Checking sanity of your Linux distribution");
[1]835#ifndef __FreeBSD__
[49]836 if (system("which mkfs.vfat &> /dev/null")
837 && !system("which mkfs.msdos &> /dev/null")) {
838 log_it
839 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
840 run_program_and_log_output
841 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
842 }
[94]843 asprintf(&tmp,
[127]844 call_program_and_get_last_line_of_output
845 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
[49]846 if (atol(tmp) < 35000) {
847 retval++;
848 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
849 }
850 if (atol(tmp) < 66000) {
851 log_to_screen
852 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
853 }
[94]854 paranoid_free(tmp);
[1]855#endif
856
[49]857 if ((Lres = free_space_on_given_partition("/root")) == -1) {
858 Lres = free_space_on_given_partition("/");
859 }
860 log_it("Free space on given partition = %ld MB", Lres);
[1]861
[49]862 if (Lres < 50) {
863 run_program_and_log_output
864 ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
865 3);
866 // fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
867 }
[1]868
[49]869 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
870 retval++;
871 log_to_screen
872 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
873 fatal_error
874 ("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. :)");
875 }
[1]876#ifndef __FreeBSD__
[49]877 if (run_program_and_log_output
878 ("cat /proc/devices | grep ramdisk", FALSE)) {
879 if (!ask_me_yes_or_no
880 ("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?"))
881 {
882 // retval++;
883 log_to_screen
884 ("It looks as if your kernel lacks ramdisk and initrd support.");
885 log_to_screen
886 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
887 }
888 }
[1]889#endif
[49]890 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
891 retval += whine_if_not_found("mkisofs");
892 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
893 retval += whine_if_not_found("cdrecord");
894 }
895 retval += whine_if_not_found("bzip2");
896 retval += whine_if_not_found("awk");
897 retval += whine_if_not_found("md5sum");
898 retval += whine_if_not_found("strings");
899 retval += whine_if_not_found("mindi");
900 retval += whine_if_not_found("buffer");
[1]901
[49]902 // abort if Windows partition but no ms-sys and parted
903 if (!run_program_and_log_output
904 ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
905 ||
906 !run_program_and_log_output
907 ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
908 log_to_screen("I think you have a Windows 9x partition.");
909 retval += whine_if_not_found("parted");
[1]910#ifndef __IA64__
[49]911 /* IA64 always has one vfat partition for EFI even without Windows */
912 // retval +=
913 if (!find_home_of_exe("ms-sys")) {
914 log_to_screen("Please install ms-sys just in case.");
915 }
916#endif
[1]917 }
918
[49]919 if (!find_home_of_exe("cmp")) {
920 if (!find_home_of_exe("true")) {
921 whine_if_not_found("cmp");
922 } else {
923 log_to_screen
924 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
925 if (run_program_and_log_output
926 ("cp -f `which true` /usr/bin/cmp", 0)) {
927 fatal_error("Failed to create dummy 'cmp' file.");
928 }
929 }
[1]930 }
[49]931 run_program_and_log_output
932 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[94]933 asprintf(&tmp,
[127]934 call_program_and_get_last_line_of_output
935 ("mount | grep -E \"cdr(om|w)\""));
[49]936 if (strcmp("", tmp)) {
937 if (strstr(tmp, "autofs")) {
938 log_to_screen
939 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
940 log_to_screen
941 ("if a CD actually is inserted. If a CD is inserted, please");
942 log_to_screen("eject it. Thank you.");
943 log_it
944 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
945 } else
946 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
947 retval++;
948 fatal_error
949 ("Your CD-ROM drive is mounted. Please unmount it.");
950 }
951 }
[94]952 paranoid_free(tmp);
[1]953#ifndef __FreeBSD__
[49]954 if (!does_file_exist("/etc/modules.conf")) {
955 if (does_file_exist("/etc/conf.modules")) {
956 log_it("Linking /etc/modules.conf to /etc/conf.modules");
957 run_program_and_log_output
958 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
959 } else if (does_file_exist("/etc/modprobe.d")) {
960 log_it
961 ("Directory /etc/modprobe.d found. mindi will use its contents.");
962 } else if (does_file_exist("/etc/modprobe.conf")) {
963 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
964 run_program_and_log_output
965 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
966 } else {
967 retval++;
968 log_to_screen
969 ("Please find out what happened to /etc/modules.conf");
970 }
[1]971 }
972#endif
973
[49]974 run_program_and_log_output("cat /etc/fstab", 5);
[1]975#ifdef __FreeBSD__
[49]976 run_program_and_log_output("vinum printconfig", 5);
[1]977#else
[49]978 run_program_and_log_output("cat /etc/raidtab", 5);
[1]979#endif
980
[49]981 if (run_program_and_log_output("mindi -V", 1)) {
982 log_to_screen("Could not ascertain mindi's version number.");
983 log_to_screen
984 ("You have not installed Mondo and/or Mindi properly.");
985 log_to_screen("Please uninstall and reinstall them both.");
986 fatal_error("Please reinstall Mondo and Mindi.");
987 }
988 if (run_program_and_log_output
989 ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
990 log_to_screen
991 ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
992 log_to_screen
993 ("Please run that command by hand and examine /var/log/mindi.log");
994 log_to_screen
995 ("for more information. Perhaps your /etc/fstab file is insane.");
996 log_to_screen
997 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
998 retval++;
999 }
[1]1000
[49]1001 if (!run_program_and_log_output("fdisk -l | grep -i raid", 1)
1002 && !does_file_exist("/etc/raidtab")) {
1003 log_to_screen
1004 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1005 create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
1006 }
1007
1008 if (retval) {
1009 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1010 } else {
1011 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1012 }
1013 return (retval);
[1]1014}
1015
1016/**
1017 * Retrieve the line containing @p label from the config file.
1018 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1019 * @param label What to read from the file.
1020 * @param value Where to put it.
1021 * @return 0 for success, 1 for failure.
1022 */
[49]1023int read_cfg_var(char *config_file, char *label, char *value)
[1]1024{
[49]1025 /*@ buffer ****************************************************** */
[94]1026 char *command;
1027 char *tmp;
[1]1028
[49]1029 /*@ end vars *************************************************** */
[1]1030
[49]1031 assert_string_is_neither_NULL_nor_zerolength(config_file);
1032 assert_string_is_neither_NULL_nor_zerolength(label);
1033 if (!does_file_exist(config_file)) {
[94]1034 asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
[127]1035 config_file);
[49]1036 log_to_screen(tmp);
[94]1037 paranoid_free(tmp);
[49]1038 value[0] = '\0';
1039 return (1);
1040 } else if (strstr(value, "/dev/") && strstr(value, "t0")
1041 && !strcmp(label, "media-dev")) {
1042 log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1043 label, value);
1044 return (0);
1045 } else {
[149]1046 asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1047 label, config_file);
[49]1048 strcpy(value, call_program_and_get_last_line_of_output(command));
[94]1049 paranoid_free(command);
[49]1050 if (strlen(value) == 0) {
1051 return (1);
1052 } else {
1053 return (0);
1054 }
[1]1055 }
1056}
1057
1058
1059
1060/**
1061 * Remount @c supermount if it was unmounted earlier.
1062 */
1063void remount_supermounts_if_necessary()
1064{
[49]1065 if (g_remount_cdrom_at_end) {
1066 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1067 }
1068 if (g_remount_floppy_at_end) {
1069 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1070 }
[1]1071}
1072
1073/**
1074 * Unmount @c supermount if it's mounted.
1075 */
1076void unmount_supermounts_if_necessary()
1077{
[49]1078 if (run_program_and_log_output
1079 ("mount | grep cdrom | grep super", FALSE) == 0) {
1080 g_remount_cdrom_at_end = TRUE;
1081 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1082 }
1083 if (run_program_and_log_output
1084 ("mount | grep floppy | grep super", FALSE) == 0) {
1085 g_remount_floppy_at_end = TRUE;
1086 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1087 }
[1]1088}
1089
1090/**
1091 * Whether we had to stop autofs (if so, restart it at end).
1092 */
[49]1093bool g_autofs_stopped = FALSE;
[1]1094
1095/**
1096 * Path to the autofs initscript ("" if none exists).
1097 */
1098char g_autofs_exe[MAX_STR_LEN];
1099
1100/**
1101 * Autofs initscript in Xandros Linux distribution.
1102 */
1103#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1104
1105/**
1106 * Autofs initscript in most Linux distributions.
1107 */
1108#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1109
1110/**
1111 * If autofs is mounted, stop it (restart at end).
1112 */
1113void stop_autofs_if_necessary()
1114{
[94]1115 char *tmp;
[49]1116
1117 g_autofs_exe[0] = '\0';
1118 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1119 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1120 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1121 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1122 }
1123
1124 if (!g_autofs_exe[0]) {
1125 log_msg(3, "No autofs detected.");
1126 } else {
1127 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[1]1128// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[94]1129 asprintf(&tmp, "%s stop", g_autofs_exe);
[49]1130 if (run_program_and_log_output(tmp, 2)) {
1131 log_it("Failed to stop autofs - I assume it wasn't running");
1132 } else {
1133 g_autofs_stopped = TRUE;
1134 log_it("Stopped autofs OK");
1135 }
[94]1136 paranoid_free(tmp);
[49]1137 }
[1]1138}
1139
1140/**
1141 * If autofs was stopped earlier, restart it.
1142 */
1143void restart_autofs_if_necessary()
1144{
[94]1145 char *tmp;
[49]1146
1147 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1148 log_msg(3, "No autofs detected.");
1149 return;
1150 }
[94]1151 asprintf(&tmp, "%s start", g_autofs_exe);
[49]1152 if (run_program_and_log_output(tmp, 2)) {
1153 log_it("Failed to start autofs");
1154 } else {
1155 g_autofs_stopped = FALSE;
1156 log_it("Started autofs OK");
1157 }
[127]1158 paranoid_free(tmp);
[1]1159}
1160
1161
1162/**
1163 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1164 */
1165void mount_boot_if_necessary()
1166{
[94]1167 char *tmp;
1168 char *tmp1;
1169 char *command;
[1]1170
[49]1171 log_msg(1, "Started sub");
[94]1172 log_msg(4, "About to set g_boot_mountpt to \"\"");
1173 asprintf(&g_boot_mountpt, "");
[49]1174 log_msg(4, "Done. Great. Seeting command to something");
[94]1175 asprintf(&command,
[127]1176 "cat /etc/fstab | grep -v \":\" | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[49]1177 log_msg(4, "Cool. Command = '%s'", command);
[94]1178 asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1179 paranoid_free(command);
1180
[49]1181 log_msg(4, "tmp = '%s'", tmp);
1182 if (tmp[0]) {
1183 log_it("/boot is at %s according to /etc/fstab", tmp);
1184 if (strstr(tmp, "LABEL=")) {
1185 if (!run_program_and_log_output("mount /boot", 5)) {
[94]1186 paranoid_free(g_boot_mountpt);
1187 asprintf(&g_boot_mountpt, "/boot");
[49]1188 log_msg(1, "Mounted /boot");
1189 } else {
1190 log_it("...ignored cos it's a label :-)");
1191 }
1192 } else {
[94]1193 asprintf(&command, "mount | grep -w \"%s\"", tmp);
[49]1194 log_msg(3, "command = %s", command);
1195 if (run_program_and_log_output(command, 5)) {
[94]1196 paranoid_free(g_boot_mountpt);
1197 asprintf(&g_boot_mountpt, tmp);
1198 asprintf(&tmp1,
[127]1199 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1200 g_boot_mountpt);
[94]1201 log_it(tmp1);
1202 paranoid_free(tmp1);
1203
1204 asprintf(&tmp1, "mount %s", g_boot_mountpt);
1205 if (run_program_and_log_output(tmp1, 5)) {
1206 paranoid_free(g_boot_mountpt);
1207 asprintf(&g_boot_mountpt, "");
[49]1208 log_msg(1, "Plan B");
1209 if (!run_program_and_log_output("mount /boot", 5)) {
[94]1210 paranoid_free(g_boot_mountpt);
1211 asprintf(&g_boot_mountpt, "/boot");
[49]1212 log_msg(1, "Plan B worked");
1213 } else {
1214 log_msg(1,
1215 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1216 }
1217 }
[94]1218 paranoid_free(tmp1);
[49]1219 }
[94]1220 paranoid_free(command);
[49]1221 }
[1]1222 }
[94]1223 paranoid_free(tmp);
[49]1224 log_msg(1, "Ended sub");
[1]1225}
1226
1227
1228/**
1229 * If we mounted /boot earlier, unmount it.
1230 */
1231void unmount_boot_if_necessary()
1232{
[94]1233 char *tmp;
[1]1234
[49]1235 log_msg(3, "starting");
1236 if (g_boot_mountpt[0]) {
[94]1237 asprintf(&tmp, "umount %s", g_boot_mountpt);
[49]1238 if (run_program_and_log_output(tmp, 5)) {
1239 log_it("WARNING - unable to unmount /boot");
1240 }
[94]1241 paranoid_free(tmp);
[49]1242 }
1243 log_msg(3, "leaving");
[1]1244}
1245
1246
1247
1248/**
1249 * Write a line to a configuration file. Writes a line of the form,
1250 * @c label @c value.
1251 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1252 * @param label What to call this bit of data you're writing.
1253 * @param value The bit of data you're writing.
1254 * @return 0 for success, 1 for failure.
1255 */
[49]1256int write_cfg_var(char *config_file, char *label, char *value)
[1]1257{
[49]1258 /*@ buffers ***************************************************** */
[94]1259 char *command;
1260 char *tempfile;
1261 char *tmp;
[1]1262
1263
[49]1264 /*@ end vars *************************************************** */
1265 assert_string_is_neither_NULL_nor_zerolength(config_file);
1266 assert_string_is_neither_NULL_nor_zerolength(label);
1267 assert(value != NULL);
[94]1268
[49]1269 if (!does_file_exist(config_file)) {
[94]1270 asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
[127]1271 config_file);
[49]1272 log_to_screen(tmp);
[94]1273 paranoid_free(tmp);
[49]1274 return (1);
1275 }
[94]1276 asprintf(&tempfile,
[127]1277 call_program_and_get_last_line_of_output
1278 ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
[49]1279 if (does_file_exist(config_file)) {
[149]1280 asprintf(&command, "grep -vx '%s .*' %s > %s",
1281 label, config_file, tempfile);
[49]1282 paranoid_system(command);
[94]1283 paranoid_free(command);
[49]1284 }
[94]1285 asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
[49]1286 paranoid_system(command);
[94]1287 paranoid_free(command);
1288
1289 asprintf(&command, "mv -f %s %s", tempfile, config_file);
[49]1290 paranoid_system(command);
[94]1291 paranoid_free(command);
[49]1292 unlink(tempfile);
[94]1293 paranoid_free(tempfile);
[49]1294 return (0);
[1]1295}
1296
1297
1298/**
1299 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1300 * information to the logfile.
1301 */
1302void standard_log_debug_msg(int debug_level, const char *szFile,
[49]1303 const char *szFunction, int nLine,
1304 const char *fmt, ...)
[1]1305{
[49]1306 va_list args;
1307 int i;
1308 static int depth = 0;
1309 FILE *fout;
[1]1310
[49]1311 if (depth > 5) {
1312 depth--;
1313 return;
1314 }
1315 depth++;
[1]1316
[49]1317 if (debug_level <= g_loglevel) {
1318 va_start(args, fmt);
1319 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1320 return;
1321 } // fatal_error("Failed to openout to logfile - sheesh..."); }
[1]1322
[49]1323 // add tabs to distinguish log levels
1324 if (debug_level > 0) {
1325 for (i = 1; i < debug_level; i++)
1326 fprintf(fout, "\t");
1327 if (getpid() == g_main_pid)
1328 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1329 nLine);
1330 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1331 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1332 nLine);
1333 else
1334 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1335 szFunction, nLine);
1336 }
1337 vfprintf(fout, fmt, args);
[1]1338
[49]1339 // do not slow down the progran if standard debug level
1340 // must be enabled: if no flush, the log won't be up-to-date if there
1341 // is a segfault
1342 //if (g_dwDebugLevel != 1)
[1]1343
[49]1344 va_end(args);
1345 fprintf(fout, "\n");
1346 paranoid_fclose(fout);
1347 }
1348 depth--;
[1]1349}
1350
1351/**
1352 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1353 */
[49]1354void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1355 ...) = standard_log_debug_msg;
[1]1356
1357
1358/**
1359 * Allocate or free important globals, depending on @p mal.
1360 * @param mal If TRUE, malloc; if FALSE, free.
1361 */
1362void do_libmondo_global_strings_thing(int mal)
1363{
[49]1364 if (mal) {
1365 iamhere("Malloc'ing globals");
1366 malloc_string(g_erase_tmpdir_and_scratchdir);
1367 malloc_string(g_serial_string);
1368 malloc_string(g_magicdev_command);
1369 } else {
1370 iamhere("Freeing globals");
1371 paranoid_free(g_boot_mountpt);
1372 paranoid_free(g_mondo_home);
1373 paranoid_free(g_tmpfs_mountpt);
1374 paranoid_free(g_erase_tmpdir_and_scratchdir);
1375 paranoid_free(g_serial_string);
1376 paranoid_free(g_magicdev_command);
1377 }
[1]1378}
1379
1380/**
1381 * Allocate important globals.
1382 * @see do_libmondo_global_strings_thing
1383 */
1384void malloc_libmondo_global_strings(void)
1385{
[49]1386 do_libmondo_global_strings_thing(1);
[1]1387}
1388
1389/**
1390 * Free important globals.
1391 * @see do_libmondo_global_strings_thing
1392 */
1393void free_libmondo_global_strings(void)
1394{
[49]1395 do_libmondo_global_strings_thing(0);
[1]1396}
1397
1398
1399
1400/**
1401 * Stop @c magicdev if it's running.
1402 * The command used to start it is saved in @p g_magicdev_command.
1403 */
1404void stop_magicdev_if_necessary()
1405{
[49]1406 strcpy(g_magicdev_command,
1407 call_program_and_get_last_line_of_output
1408 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1409 if (g_magicdev_command[0]) {
1410 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1411 paranoid_system("killall magicdev");
1412 }
[1]1413}
1414
1415
1416/**
1417 * Restart magicdev if it was stopped.
1418 */
1419void restart_magicdev_if_necessary()
1420{
[49]1421 char *tmp;
1422
1423 if (g_magicdev_command && g_magicdev_command[0]) {
[94]1424 asprintf(&tmp, "%s &", g_magicdev_command);
[49]1425 paranoid_system(tmp);
[94]1426 paranoid_free(tmp);
[49]1427 }
[1]1428}
1429
1430/* @} - end of utilityGroup */
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