source: MondoRescue/branches/3.2/mondo/src/common/libmondo-tools.c@ 3195

Last change on this file since 3195 was 3195, checked in by Bruno Cornec, 11 years ago
  • Fix tmpdir initialization as mkdtemp modify the existing string so it should not be freed too early.
  • Property svn:keywords set to Id
File size: 39.7 KB
RevLine 
[2030]1/*
[99]2 $Id: libmondo-tools.c 3195 2013-09-30 07:07:23Z 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 3195 2013-09-30 07:07:23Z bruno $";
[1]30
31extern int g_tape_buffer_size_MB;
32extern bool g_text_mode;
33extern int g_currentY;
34extern int g_current_media_number;
[1316]35extern char *MONDO_LOGFILE;
[1]36
[1645]37/* Reference to global bkpinfo */
38extern struct s_bkpinfo *bkpinfo;
39
[1]40/**
41 * @addtogroup globalGroup
42 * @{
43 */
[128]44bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
45 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
46bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]47double g_kernel_version;
48
49/**
50 * The place where /boot is mounted.
51 */
[128]52char *g_boot_mountpt = NULL;
[1]53
54/**
55 * The location of Mondo's home directory.
56 */
[128]57char *g_mondo_home = NULL;
[1]58
59/**
60 * The serial string (used to differentiate between backups) of the current backup.
61 */
[3194]62extern char *g_serial_string;
[1]63
64/**
65 * The location where tmpfs is mounted, or "" if it's not mounted.
[2030]66char *g_tmpfs_mountpt = NULL;
[1]67 */
[128]68char *g_magicdev_command = NULL;
[1]69
70/**
71 * The default maximum level to log messages at or below.
72 */
[128]73int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]74
75/* @} - end of globalGroup */
76
77
78extern pid_t g_buffer_pid;
79extern pid_t g_main_pid;
80
81extern t_bkptype g_backup_media_type;
82
83extern bool am_I_in_disaster_recovery_mode(void);
84
[1917]85/*-----------------------------------------------------------*/
86
87
[1]88/**
89 * @addtogroup utilityGroup
90 * @{
91 */
92/**
93 * Assertion handler. Prints a friendly message to the user,
94 * offering to ignore all, dump core, break to debugger,
95 * exit, or ignore. Intended to be used with an assert() macro.
96 *
97 * @param file The file in which the assertion triggered.
98 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
99 * @param line The line number of the assert() statement.
100 * @param exp The expression that failed (as a string).
101 */
[128]102void _mondo_assert_fail(const char *file,
103 const char *function, int line, const char *exp)
[1]104{
[128]105 static int ignoring_assertions = 0;
106 bool is_valid = TRUE;
[1]107
[128]108 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
109 function);
110 if (ignoring_assertions) {
111 log_it("Well, the user doesn't care...");
112 return;
113 }
114 if (!g_text_mode)
115 newtSuspend();
[541]116 printf("ASSERTION FAILED: `%s'\n", exp);
117 printf("\tat %s:%d in %s\n\n", file, line, function);
118 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]119 do {
120 is_valid = TRUE;
121 switch (toupper(getchar())) {
122 case 'A': // ignore (A)ll
123 ignoring_assertions = 1;
124 break;
125 case 'B': // a(B)ort
126 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
127 raise(SIGABRT);
128 break; /* "can't get here" */
129 case 'D': // (D)ebug, aka asm("int 3")
[1]130#ifdef __IA32__
[128]131 __asm__ __volatile__("int $3"); // break to debugger
[1]132#endif
[128]133 break;
134 case 'E': // (E)xit
135 fatal_error("Failed assertion -- see above for details");
136 break; /* "can't get here" */
137 case 'I': // (I)gnore
138 break;
139 /* These next two work as follows:
140 the `default' catches the user's invalid choice and says so;
141 the '\n' catches the newline on the end and prints the prompt again.
142 */
143 case '\n':
144 printf
[541]145 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]146 break;
147 default:
148 is_valid = FALSE;
[541]149 printf("Invalid choice.\n");
[128]150 break;
151 }
152 } while (!is_valid);
153
154 if (ignoring_assertions) {
155 log_it("Ignoring ALL assertions from now on.");
156 } else {
157 log_it("Ignoring assertion: %s", exp);
[1]158 }
159
[128]160 getchar(); // skip \n
[1]161
[128]162 if (!g_text_mode)
163 newtResume();
[1]164}
165
166/**
167 * Clean's up users' KDE desktops.
168 * @bug Details about this function are unknown.
169 */
170void clean_up_KDE_desktop_if_necessary(void)
171{
[3191]172 char *tmp = NULL;
[1]173
[3191]174 mr_asprintf(tmp, "for i in `find /root /home -maxdepth 2 -type d -name Desktop -maxdepth 2`; do file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } else { print $0;};}' $file.old > $file ; fi ; done");
[128]175 run_program_and_log_output(tmp, 5);
[3191]176 mr_free(tmp);
[1]177}
178
179
180/**
181 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
182 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
183 *
184 * @param home_sz String to store the home directory ("" if it could not be found).
185 * @return 0 for success, nonzero for failure.
186 */
187int find_and_store_mondoarchives_home(char *home_sz)
188{
[128]189 assert(home_sz != NULL);
[424]190 strcpy(home_sz, MONDO_SHARE);
[182]191 return (0);
[1]192}
193
194
[1375]195char *get_architecture(void) {
[1]196#ifdef __IA32__
[1375]197# ifdef __X86_64__
198 return ("x86_64");
199# else
200 return ("i386");
201# endif
[1]202#endif
203#ifdef __IA64__
[128]204 return ("ia64");
[1]205#endif
[128]206 return ("unknown");
[1]207}
208
209
[1375]210char *get_uname_m(void) {
[1]211
[1375]212 struct utsname utsn;
213 char *tmp = NULL;
214
215 uname(&utsn);
[3185]216 mr_asprintf(tmp, "%s", utsn.machine);
[1375]217 return (tmp);
218}
219
220
221
222double get_kernel_version(void)
[1]223{
[3191]224 char *p = NULL;
225 char *tmp = NULL;
[128]226 double d;
[1]227#ifdef __FreeBSD__
[128]228 // JOSH - FIXME :)
229 d = 5.2; // :-)
[1]230#else
[3191]231 mr_asprintf(tmp, "%s", call_program_and_get_last_line_of_output("uname -r"));
[128]232 p = strchr(tmp, '.');
233 if (p) {
234 p = strchr(++p, '.');
235 if (p) {
236 while (*p) {
237 *p = *(p + 1);
238 p++;
239 }
240 }
241 }
242 d = atof(tmp);
[3191]243 mr_free(tmp);
[1]244#endif
[128]245 log_msg(1, "g_kernel_version = %f", d);
246 return (d);
[1]247}
248
249
250/**
251 * Get the current time.
252 * @return number of seconds since the epoch.
253 */
[128]254long get_time()
[1]255{
[128]256 return (long) time((void *) 0);
[1]257}
258
259
260/**
261 * Initialize a RAID volume structure, setting fields to zero. The
262 * actual hard drive is unaffected.
263 *
264 * @param raidrec The RAID volume structure to initialize.
265 * @note This function is system dependent.
266 */
267#ifdef __FreeBSD__
[128]268void initialize_raidrec(struct vinum_volume *raidrec)
[1]269{
[128]270 int i, j;
271 raidrec->volname[0] = '\0';
272 raidrec->plexes = 0;
273 for (i = 0; i < 9; ++i) {
274 raidrec->plex[i].raidlevel = -1;
275 raidrec->plex[i].stripesize = 0;
276 raidrec->plex[i].subdisks = 0;
277 for (j = 0; j < 9; ++j) {
278 strcpy(raidrec->plex[i].sd[j].which_device, "");
279 }
280 }
[1]281}
282#else
[128]283void initialize_raidrec(struct raid_device_record *raidrec)
[1]284{
[128]285 assert(raidrec != NULL);
286 raidrec->raid_device[0] = '\0';
[558]287 raidrec->raid_level = -9;
[128]288 raidrec->persistent_superblock = 1;
[558]289 raidrec->chunk_size = 64;
290 raidrec->parity = -1;
[128]291 raidrec->data_disks.entries = 0;
292 raidrec->spare_disks.entries = 0;
293 raidrec->parity_disks.entries = 0;
294 raidrec->failed_disks.entries = 0;
295 raidrec->additional_vars.entries = 0;
[1]296}
297#endif
298
299
300
301
302/**
303 * Insert modules that Mondo requires.
[1236]304 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]305 * @c msdosfs and @c ext2fs for FreeBSD.
306 */
307void insmod_crucial_modules(void)
308{
309#ifdef __FreeBSD__
[3060]310 paranoid_system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
311 paranoid_system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]312#else
[3060]313 paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
[1]314#endif
315}
316
317/**
318 * Finish configuring the backup information structure. Call this function
319 * to set the parameters that depend on those that can be given on the command
320 * line.
321 *
322 * @param bkpinfo The backup information structure. Fields modified/used:
323 * - Used: @c bkpinfo->backup_data
324 * - Used: @c bkpinfo->backup_media_type
325 * - Used: @c bkpinfo->cdrw_speed
326 * - Used: @c bkpinfo->compression_level
327 * - Used: @c bkpinfo->include_paths
[20]328 * - Used: @c bkpinfo->prefix
[1]329 * - Used: @c bkpinfo->isodir
330 * - Used: @c bkpinfo->manual_cd_tray
331 * - Used: @c bkpinfo->make_cd_use_lilo
332 * - Used: @c bkpinfo->media_device
[2380]333 * - Used: @c bkpinfo->netfs_mount
[1]334 * - Used: @c bkpinfo->nonbootable_backup
335 * - Used: @c bkpinfo->scratchdir
336 * - Used: @c bkpinfo->tmpdir
337 * - Used: @c bkpinfo->use_lzo
338 * - Modified: @c bkpinfo->call_before_iso
339 * - Modified: @c bkpinfo->call_make_iso
340 * - Modified: @c bkpinfo->optimal_set_size
341 * - Modified: @c bkpinfo->zip_exe
342 * - Modified: @c bkpinfo->zip_suffix
343 *
344 * @return number of errors, or 0 for success.
345 * @note Also creates directories that are specified in the @c bkpinfo structure but
346 * do not exist.
347 */
[1645]348int post_param_configuration()
[1]349{
[2211]350 char *extra_cdrom_params = NULL;
351 char *mondo_mkisofs_sz = NULL;
[2518]352 char *command = NULL;
[3191]353 char *hostname = NULL;
[2848]354 char *isofs_cmd = NULL;
[2211]355 char *ip_address = NULL;
[128]356 int retval = 0;
357 char *colon;
[3191]358 char *cdr_exe = NULL;
[2518]359 char *tmp = NULL;
[3191]360 char *call_before_iso_user = NULL;
[2518]361 char *iso_dev = NULL;
362 char *iso_mnt = NULL;
363 char *iso_tmp = NULL;
364 char *iso_path = NULL;
[1]365
[128]366 assert(bkpinfo != NULL);
[3191]367
[128]368 bkpinfo->optimal_set_size =
[686]369 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[128]370 1024;
[1]371
[2658]372 log_msg(1, "Post-param");
[128]373 if (bkpinfo->backup_media_type == tape) {
[2926]374 if (whine_if_not_found("mt") == 1) {
375 fatal_error("Please install the mt command");
376 }
[2658]377 log_msg(1, "Tape");
[3191]378 if (bkpinfo->media_device == NULL) {
379 return(1);
380 }
[3185]381 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
[128]382 log_msg(1, "tmp = '%s'", tmp);
383 if (run_program_and_log_output(tmp, 3)) {
[2518]384 mr_free(tmp);
[128]385 fatal_error
386 ("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.");
387 }
[2518]388 mr_free(tmp);
[1]389 }
[128]390 if (bkpinfo->backup_media_type == iso)
391 make_hole_for_dir(bkpinfo->isodir);
[1]392
[128]393 run_program_and_log_output("uname -a", 5);
[678]394 run_program_and_log_output("cat /etc/*-release", 5);
[128]395 run_program_and_log_output("cat /etc/*issue*", 5);
[1]396#ifdef __FreeBSD__
397#else
[128]398 run_program_and_log_output("cat /proc/cpuinfo", 5);
399 run_program_and_log_output
400 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
401 5);
[1]402#endif
[128]403
404 if (bkpinfo->use_lzo) {
405 strcpy(bkpinfo->zip_exe, "lzop");
406 strcpy(bkpinfo->zip_suffix, "lzo");
[998]407 } else if (bkpinfo->use_gzip) {
408 strcpy(bkpinfo->zip_exe, "gzip");
409 strcpy(bkpinfo->zip_suffix, "gz");
[3191]410 } else if (bkpinfo->use_lzma) {
411 strcpy(bkpinfo->zip_exe, "lzma");
412 strcpy(bkpinfo->zip_suffix, "lzma");
[128]413 } else if (bkpinfo->compression_level != 0) {
414 strcpy(bkpinfo->zip_exe, "bzip2");
415 strcpy(bkpinfo->zip_suffix, "bz2");
416 } else {
417 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]418 }
419
420// DVD
421
[128]422 if (bkpinfo->backup_media_type == dvd) {
423 if (find_home_of_exe("growisofs")) {
[3191]424 mr_asprintf(cdr_exe, "growisofs");
[128]425 } // unlikely to be used
426 else {
427 fatal_error("Please install growisofs.");
428 }
429 if (bkpinfo->nonbootable_backup) {
[3185]430 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[128]431 } else if
[1]432#ifdef __FreeBSD__
[128]433 (TRUE)
[1]434#else
[128]435 (bkpinfo->make_cd_use_lilo)
[1]436#endif
437#ifdef __IA64__
[128]438 {
[3185]439 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[128]440 }
[1]441#else
442 {
[3185]443 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]444 }
[128]445#endif
[3191]446 else {
[3185]447 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[128]448 }
449 if (bkpinfo->manual_cd_tray) {
450 fatal_error("Manual CD tray + DVD not supported yet.");
451 // -m isn't supported by growisofs, BTW...
452 } else {
453 sprintf(bkpinfo->call_make_iso,
454 "%s %s -Z %s . 2>> _ERR_",
455 mondo_mkisofs_sz,
[2211]456 "", bkpinfo->media_device);
[128]457 }
[3191]458 mr_free(mondo_mkisofs_sz);
[153]459 if (getenv ("SUDO_COMMAND")) {
[3185]460 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
[679]461 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
[2518]462 mr_free(command);
[679]463 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
464 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
465 }
[2518]466 mr_free(command);
[153]467 }
[3191]468 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
[128]469 } // end of DVD code
[1]470
471// CD-R or CD-RW
[128]472 if (bkpinfo->backup_media_type == cdrw
473 || bkpinfo->backup_media_type == cdr) {
474 if (!bkpinfo->manual_cd_tray) {
[3185]475 mr_asprintf(extra_cdrom_params, "-waiti ");
[128]476 }
477 if (bkpinfo->backup_media_type == cdrw) {
[3185]478 mr_asprintf(extra_cdrom_params, "blank=fast ");
[128]479 }
[2677]480 if (extra_cdrom_params == NULL) {
481 // If not initialized earlier, do it now
[3185]482 mr_asprintf(extra_cdrom_params, " ");
[2677]483 }
[128]484 if (find_home_of_exe("cdrecord")) {
[3191]485 mr_asprintf(cdr_exe, "cdrecord");
[128]486 } else if (find_home_of_exe("dvdrecord")) {
[3191]487 mr_asprintf(cdr_exe, "dvdrecord");
[128]488 } else {
489 fatal_error("Please install either cdrecord or dvdrecord.");
490 }
[2848]491 if (find_home_of_exe("genisoimage")) {
[3185]492 mr_asprintf(isofs_cmd, "%s", MONDO_GENISOIMAGE_CMD);
[2848]493 } else {
[3185]494 mr_asprintf(isofs_cmd, "%s", MONDO_MKISOFS_CMD);
[2848]495 }
[128]496 if (bkpinfo->nonbootable_backup) {
[3185]497 mr_asprintf(mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
[128]498 } else if
[1]499#ifdef __FreeBSD__
[128]500 (TRUE)
[1]501#else
[128]502 (bkpinfo->make_cd_use_lilo)
[1]503#endif
504#ifdef __IA64__
505 {
[3185]506 mr_asprintf(mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
[1]507 }
[128]508#else
[1]509 {
[3185]510 mr_asprintf(mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
[1]511 }
[128]512#endif
513 else
514 {
[3185]515 mr_asprintf(mondo_mkisofs_sz, "%s%s -V _CD#_", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX);
[128]516 }
[2848]517 mr_free(isofs_cmd);
518
[128]519 if (bkpinfo->manual_cd_tray) {
[163]520 if (bkpinfo->call_before_iso[0] == '\0') {
[128]521 sprintf(bkpinfo->call_before_iso,
[1666]522 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
[163]523 mondo_mkisofs_sz, bkpinfo->tmpdir);
524 } else {
[3191]525 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
526 sprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
527 mr_free(call_before_iso_user);
[163]528 }
529 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[3191]530 sprintf(bkpinfo->call_make_iso, "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed, bkpinfo->tmpdir);
[128]531 } else {
[3191]532 sprintf(bkpinfo->call_make_iso, "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -", mondo_mkisofs_sz, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed);
[128]533 }
[3191]534 mr_free(cdr_exe);
535 mr_free(mondo_mkisofs_sz);
536 mr_free(extra_cdrom_params);
[128]537 } // end of CD code
[1]538
[128]539 if (bkpinfo->backup_media_type == iso) {
540
[1]541/* Patch by Conor Daly <conor.daly@met.ie>
542 * 23-june-2004
543 * Break up isodir into iso_mnt and iso_path
544 * These will be used along with iso-dev at restore time
545 * to locate the ISOs where ever they're mounted
546 */
547
[128]548 log_it("isodir = %s", bkpinfo->isodir);
[3191]549 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
[128]550 log_it("command = %s", command);
[3185]551 mr_asprintf(iso_dev, "%s", call_program_and_get_last_line_of_output(command));
[3191]552 log_it("res of it = %s", iso_dev);
[3185]553 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
[3191]554 write_one_liner_data_file(tmp, iso_dev);
[2518]555 mr_free(tmp);
556 mr_free(command);
[1]557
[3185]558 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
[2518]559 mr_free(iso_dev);
560
[128]561 log_it("command = %s", command);
[3185]562 mr_asprintf(iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
[3191]563 log_it("res of it = %s", iso_mnt);
[3185]564 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
[3191]565 write_one_liner_data_file(tmp, iso_mnt);
[2518]566 mr_free(tmp);
567 mr_free(command);
568
[128]569 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
[3185]570 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
[128]571 if (strlen(iso_tmp) < strlen(iso_mnt)) {
[3185]572 mr_asprintf(iso_path, "%s", "");
[128]573 } else {
[2522]574 // If iso_mnt is only / then iso_path is the full dir
575 // (the formula bellow doesn't work in this case)
576 if (strcmp(iso_mnt, "/") == 0) {
[3185]577 mr_asprintf(iso_path, "%s", iso_tmp);
[2522]578 // else it's a part of iso_tmp
579 } else {
[3185]580 mr_asprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
[2522]581 }
[128]582 }
[3191]583 mr_free(iso_mnt);
[2518]584 mr_free(iso_tmp);
585
[3185]586 mr_asprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
[128]587 write_one_liner_data_file(tmp, iso_path);
[2518]588 mr_free(tmp);
589
[128]590 log_it("isodir: %s", iso_path);
[2518]591 mr_free(iso_path);
592
[3185]593 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[148]594 write_one_liner_data_file(tmp, bkpinfo->prefix);
[2518]595 mr_free(tmp);
596
[148]597 log_it("iso-prefix: %s", bkpinfo->prefix);
[1]598
599/* End patch */
[128]600 } // end of iso code
[1]601
[2380]602 if (bkpinfo->backup_media_type == netfs) {
[3191]603 if (bkpinfo->netfs_mount) {
604 mr_asprintf(hostname, "%s", bkpinfo->netfs_mount);
605 } else {
606 log_it("netfs_mount is NULL");
607 retval++;
608 mr_asprintf(hostname, "");
609 }
[128]610 colon = strchr(hostname, ':');
611 if (!colon) {
[2380]612 log_it("netfs mount doesn't have a colon in it");
[128]613 retval++;
614 } else {
615 struct hostent *hent;
[1]616
[128]617 *colon = '\0';
[2847]618 colon = strchr(hostname, '@');
619 if (colon) {
620 *colon = '\0';
621 colon++;
622 hent = gethostbyname(colon);
[3185]623 mr_asprintf(bkpinfo->netfs_user,"%s", hostname);
[2847]624 } else {
625 hent = gethostbyname(hostname);
626 }
[128]627 if (!hent) {
[3191]628 log_it("Can't resolve Network mount (%s): %s", hostname, hstrerror(h_errno));
[128]629 retval++;
630 } else {
[3185]631 mr_asprintf(ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
[2380]632 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
[3194]633 mr_free(bkpinfo->netfs_mount);
634 bkpinfo->netfs_mount = ip_address;
[128]635 }
636 }
[3191]637 mr_free(hostname);
[2380]638 store_netfs_config();
[128]639 }
[1]640
[128]641 log_it("Finished processing incoming params");
642 if (retval) {
643 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
644 }
[3191]645 if (bkpinfo->include_paths == NULL) {
646 mr_asprintf(bkpinfo->include_paths, "/");
[128]647 }
648 g_backup_media_type = bkpinfo->backup_media_type;
649 return (retval);
[1]650}
651
652
653
654/**
655 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
656 * Seeds the random-number generator, loads important modules, checks the sanity
657 * of the user's Linux distribution, and deletes logfile.
658 * @param bkpinfo The backup information structure. Will be initialized.
659 * @return number of errors (0 for success)
660 */
[1645]661int pre_param_configuration()
[1]662{
[128]663 int res = 0;
[1652]664 char *tmp = NULL;
[1]665
[128]666 make_hole_for_dir(MNT_CDROM);
667 assert(bkpinfo != NULL);
668 srandom((unsigned long) (time(NULL)));
669 insmod_crucial_modules();
670 if (bkpinfo->disaster_recovery) {
671 if (!does_nonMS_partition_exist()) {
[3191]672 fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
[128]673 }
674 }
[1]675
[3185]676 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
[1652]677 run_program_and_log_output(tmp, FALSE);
678 paranoid_free(tmp);
[128]679 if (find_and_store_mondoarchives_home(g_mondo_home)) {
[3191]680 fprintf(stderr, "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");
[128]681 res++;
682 return (res);
683 }
684 res += some_basic_system_sanity_checks();
685 if (res) {
686 log_it("Your distribution did not pass Mondo's sanity test.");
687 }
688 g_current_media_number = 1;
[3191]689 bkpinfo->postnuke_tarball[0] = '\0';
[128]690 return (res);
[1]691}
692
[3043]693/* From busybox under GPLv2 */
694#ifndef HAVE_MKDTEMP
695/* This is now actually part of POSIX.1, but was only added in 2008 */
696char* mkdtemp(char *template)
697{
698 if (mktemp(template) == NULL || mkdir(template, 0700) != 0)
699 return NULL;
700 return template;
701}
702#endif
703
[1655]704void setup_tmpdir(char *path) {
[1967]705
[1653]706 char *tmp = NULL;
[1654]707 char *p = NULL;
[1]708
[3195]709 if (bkpinfo->tmpdir[0] != '\0') {
[1655]710 /* purging a potential old tmpdir */
[3060]711 if (chdir("/tmp")) {
712 // FIXME
713 }
[3154]714 if (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL) {
715 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
[3185]716 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
[3154]717 } else {
718 log_it("Purging old tmpdir %s/mondo.tmp.*", bkpinfo->tmpdir);
[3185]719 mr_asprintf(tmp,"rm -Rf %s/mondo.tmp.*",bkpinfo->tmpdir);
[3154]720 }
[3060]721 paranoid_system(tmp);
[3154]722 mr_free(tmp);
[1655]723 }
[1967]724
[3154]725 /* Always take in account arg first, then env, then default */
726 if (path != NULL) {
[3185]727 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
[3154]728 } else if (getenv("TMPDIR")) {
[3185]729 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[3154]730 } else if (getenv("MRTMP")) {
[3185]731 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("MRTMP"));
[1653]732 } else {
[3185]733 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]734 }
[1654]735 p = mkdtemp(tmp);
736 if (p == NULL) {
[3195]737 printf("Failed to create global tmp directory %s for Mondo.",tmp);
[3191]738 mr_free(tmp);
[1653]739 finish(-1);
740 }
[3195]741 strcpy(bkpinfo->tmpdir,p);
[3191]742 mr_free(tmp);
743
744 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
[3154]745
[3185]746 mr_asprintf(tmp, "mkdir -p %s/tmpfs", bkpinfo->tmpdir);
[3154]747 paranoid_system(tmp);
748 mr_free(tmp);
[1653]749}
[1]750
[3154]751void setup_scratchdir(char *path) {
[1]752
[3154]753 char *tmp = NULL;
754 char *p = NULL;
755
756 if (bkpinfo->scratchdir != NULL) {
757 /* purging a potential old scratchdir */
758 if (chdir("/tmp")) {
759 // FIXME
760 }
761 if (strstr(bkpinfo->scratchdir,"mondo.scratch.") != NULL) {
762 log_it("Purging old scratchdir %s", bkpinfo->scratchdir);
[3185]763 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->scratchdir);
[3154]764 } else {
765 log_it("Purging old scratchdir %s/mondo.scratch.*", bkpinfo->scratchdir);
[3185]766 mr_asprintf(tmp,"rm -Rf %s/mondo.scratch.*",bkpinfo->scratchdir);
[3154]767 }
768 paranoid_system(tmp);
769 mr_free(tmp);
770 }
771
772 /* Always take in account arg first, then env, then default */
773 if (path != NULL) {
[3185]774 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", path);
[3154]775 } else if (getenv("MRSCRATCH")) {
[3185]776 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", getenv("MRSCRATCH"));
[3154]777 } else {
[3185]778 mr_asprintf(tmp, "/tmp/mondo.scratch.XXXXXX");
[3154]779 }
780 p = mkdtemp(tmp);
781 if (p == NULL) {
782 log_it("Failed to create global scratch directory %s for Mondo.",tmp);
783 finish(-1);
784 }
785 strcpy(bkpinfo->scratchdir,p);
[3191]786 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
[3154]787 paranoid_free(tmp);
788
[3185]789 mr_asprintf(tmp, "mkdir -p %s", bkpinfo->scratchdir);
[3154]790 paranoid_system(tmp);
791 mr_free(tmp);
792}
793
794
[1]795/**
796 * Reset all fields of the backup information structure to a sensible default.
797 * @param bkpinfo The @c bkpinfo to reset.
798 */
[1645]799void reset_bkpinfo()
[1]800{
[128]801 assert(bkpinfo != NULL);
802 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[1653]803
[128]804 bkpinfo->media_device[0] = '\0';
[3150]805 bkpinfo->media_size = -1;
[128]806 bkpinfo->boot_loader = '\0';
807 bkpinfo->boot_device[0] = '\0';
808 bkpinfo->zip_exe[0] = '\0';
809 bkpinfo->zip_suffix[0] = '\0';
[1966]810 bkpinfo->image_devs[0] = '\0';
811 bkpinfo->compression_level = 3;
[128]812 bkpinfo->use_lzo = FALSE;
[998]813 bkpinfo->use_gzip = FALSE;
[3191]814 bkpinfo->use_lzma = FALSE;
[128]815 bkpinfo->verify_data = FALSE;
816 bkpinfo->backup_data = FALSE;
817 bkpinfo->restore_data = FALSE;
[1966]818 bkpinfo->use_star = FALSE;
819 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[3191]820
[3194]821 /* We need tmpdir as early as possible for further function calls */
[3195]822 bkpinfo->tmpdir[0] = '\0'; // Really setup after
823 bkpinfo->scratchdir[0] = '\0'; // Really setup after
[3191]824 setup_tmpdir(NULL);
825 setup_scratchdir(NULL);
826
827 bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
[128]828 if (bkpinfo->disaster_recovery) {
829 strcpy(bkpinfo->isodir, "/");
830 } else {
[2059]831 strcpy(bkpinfo->isodir, MONDO_CACHE);
[128]832 }
[148]833 strcpy(bkpinfo->prefix, STD_PREFIX);
[128]834 bkpinfo->optimal_set_size = 0;
[3191]835 bkpinfo->backup_media_type = none;
[1966]836 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[3191]837 bkpinfo->exclude_paths = NULL;
838 bkpinfo->include_paths = NULL;
[2424]839 bkpinfo->exclude_devs = NULL;
[1966]840 bkpinfo->restore_path[0] = '\0';
[128]841 bkpinfo->call_before_iso[0] = '\0';
842 bkpinfo->call_make_iso[0] = '\0';
843 bkpinfo->call_burn_iso[0] = '\0';
844 bkpinfo->call_after_iso[0] = '\0';
845 bkpinfo->kernel_path[0] = '\0';
[3194]846 bkpinfo->netfs_mount = NULL;
[2380]847 bkpinfo->netfs_proto = NULL;
848 bkpinfo->netfs_user = NULL;
[3194]849 bkpinfo->netfs_remote_dir = NULL;
[3191]850 bkpinfo->postnuke_tarball[0] = '\0';
[2769]851 bkpinfo->subdir = NULL;
[128]852 bkpinfo->wipe_media_first = FALSE;
[1966]853 bkpinfo->differential = 0;
854 bkpinfo->please_dont_eject = FALSE;
[128]855 bkpinfo->cdrw_speed = 0;
[1966]856 bkpinfo->manual_cd_tray = FALSE;
857 bkpinfo->nonbootable_backup = FALSE;
858 bkpinfo->make_cd_use_lilo = FALSE;
859 bkpinfo->use_obdr = FALSE;
[1967]860 bkpinfo->restore_mode = interactive;
[1]861}
862
863
864/**
865 * Get the remaining free space (in MB) on @p partition.
866 * @param partition The partition to check free space on (either a device or a mountpoint).
867 * @return The free space on @p partition, in MB.
868 */
[128]869long free_space_on_given_partition(char *partition)
[1]870{
[2518]871 char *out_sz = NULL;
872 char *command = NULL;
[128]873 long res;
[1]874
[128]875 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]876
[3185]877 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]878 if (system(command)) {
[2518]879 mr_free(command);
[128]880 return (-1);
881 } // partition does not exist
[2518]882 mr_free(command);
883
[3191]884 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
[3185]885 mr_asprintf(out_sz, "%s", call_program_and_get_last_line_of_output(command));
[2518]886 mr_free(command);
887
[128]888 if (strlen(out_sz) == 0) {
[2518]889 mr_free(out_sz);
[128]890 return (-1);
891 } // error within df, probably
892 res = atol(out_sz);
[2518]893 mr_free(out_sz);
[128]894 return (res);
[1]895}
896
897
898
899/**
900 * Check the user's system for sanity. Checks performed:
901 * - make sure user has enough RAM (32mb required, 64mb recommended)
902 * - make sure user has enough free space in @c /
903 * - check kernel for ramdisk support
904 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
905 * - make sure CD-ROM is unmounted
906 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
907 *
908 * @return number of problems with the user's setup (0 for success)
909 */
[128]910int some_basic_system_sanity_checks()
[1]911{
912
[128]913 /*@ buffers ************ */
[2518]914 char *tmp = NULL;
[1]915
[128]916 /*@ int's *************** */
917 int retval = 0;
[1]918
[3195]919 mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
[1]920#ifndef __FreeBSD__
[1737]921 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
922 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
[3191]923 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
924 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
[128]925 }
[3191]926 mr_asprintf(tmp, "%s", call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
[128]927 if (atol(tmp) < 35000) {
928 retval++;
[541]929 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]930 }
931 if (atol(tmp) < 66000) {
[3191]932 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]933 }
[2518]934 mr_free(tmp);
[1]935#endif
936
[128]937 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
938 retval++;
939 log_to_screen
940 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
941 fatal_error
942 ("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. :)");
943 }
[1]944#ifndef __FreeBSD__
[128]945 if (run_program_and_log_output
[273]946 ("grep ramdisk /proc/devices", FALSE)) {
[2194]947 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
[2195]948 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
[3195]949 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
950 if (!ask_me_yes_or_no("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?")) {
[2194]951 // retval++;
[3195]952 log_to_screen("It looks as if your kernel lacks ramdisk and initrd support.");
953 log_to_screen("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
[2194]954 }
[128]955 }
956 }
[1]957#endif
[128]958 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
[2751]959 if (system("which genisoimage > /dev/null 2> /dev/null")) {
960 retval += whine_if_not_found("mkisofs");
961 }
962 if (system("which wodim > /dev/null 2> /dev/null")) {
[128]963 retval += whine_if_not_found("cdrecord");
964 }
965 retval += whine_if_not_found("bzip2");
[998]966 retval += whine_if_not_found("gzip");
[128]967 retval += whine_if_not_found("awk");
968 retval += whine_if_not_found("md5sum");
969 retval += whine_if_not_found("strings");
970 retval += whine_if_not_found("mindi");
971 retval += whine_if_not_found("buffer");
[1]972
[128]973 // abort if Windows partition but no ms-sys and parted
[1855]974 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[541]975 log_to_screen("I think you have a Windows 9x partition.");
[128]976 retval += whine_if_not_found("parted");
[1]977 }
978
[128]979 if (!find_home_of_exe("cmp")) {
[2624]980 whine_if_not_found("cmp");
[1]981 }
[3191]982 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
983 mr_asprintf(tmp, "%s", call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\""));
[128]984 if (strcmp("", tmp)) {
985 if (strstr(tmp, "autofs")) {
[3195]986 log_to_screen("Your CD-ROM is mounted via autofs. I therefore cannot tell");
987 log_to_screen("if a CD actually is inserted. If a CD is inserted, please");
[541]988 log_to_screen("eject it. Thank you.");
[3195]989 log_it("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
[128]990 } else
991 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
992 retval++;
[2518]993 mr_free(tmp);
994 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
[128]995 }
996 }
[2518]997 mr_free(tmp);
[1]998
[128]999 run_program_and_log_output("cat /etc/fstab", 5);
[1]1000#ifdef __FreeBSD__
[128]1001 run_program_and_log_output("vinum printconfig", 5);
[1]1002#else
[128]1003 run_program_and_log_output("cat /etc/raidtab", 5);
[1]1004#endif
1005
[128]1006 if (run_program_and_log_output("mindi -V", 1)) {
[541]1007 log_to_screen("Could not ascertain mindi's version number.");
[3195]1008 log_to_screen("You have not installed Mondo and/or Mindi properly.");
[541]1009 log_to_screen("Please uninstall and reinstall them both.");
[128]1010 fatal_error("Please reinstall Mondo and Mindi.");
1011 }
[3185]1012 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
[1644]1013 if (run_program_and_log_output(tmp, 5)) {
[3195]1014 log_to_screen("%s failed for some reason.", tmp);
[2518]1015 mr_free(tmp);
[3195]1016 log_to_screen("Please run that command by hand and examine /var/log/mindi.log");
1017 log_to_screen("for more information. Perhaps your /etc/fstab file is insane.");
1018 log_to_screen("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]1019 retval++;
1020 }
[2518]1021 mr_free(tmp);
[1]1022
[3195]1023 if (!run_program_and_log_output("parted2fdisk -l 2>/dev/null | grep -i raid", 1) && !does_file_exist("/etc/raidtab")) {
1024 log_to_screen("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[2982]1025 create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
[128]1026 }
1027
1028 if (retval) {
[541]1029 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1030 } else {
[541]1031 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1032 }
1033 return (retval);
[1]1034}
1035
1036/**
1037 * Retrieve the line containing @p label from the config file.
1038 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1039 * @param label What to read from the file.
1040 * @param value Where to put it.
1041 * @return 0 for success, 1 for failure.
1042 */
[128]1043int read_cfg_var(char *config_file, char *label, char *value)
[1]1044{
[128]1045 /*@ buffer ****************************************************** */
[2518]1046 char *command = NULL;
[1]1047
[128]1048 /*@ end vars *************************************************** */
[1]1049
[128]1050 assert_string_is_neither_NULL_nor_zerolength(config_file);
1051 assert_string_is_neither_NULL_nor_zerolength(label);
1052 if (!does_file_exist(config_file)) {
[3191]1053 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
[128]1054 value[0] = '\0';
1055 return (1);
[1279]1056 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1057 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]1058 return (0);
1059 } else {
[3185]1060 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
[148]1061 label, config_file);
[128]1062 strcpy(value, call_program_and_get_last_line_of_output(command));
[2518]1063 mr_free(command);
1064
[3191]1065 log_msg(4, "Configuration item %s is %s", label, value);
[128]1066 if (strlen(value) == 0) {
1067 return (1);
1068 } else {
1069 return (0);
1070 }
[1]1071 }
1072}
1073
1074
1075
1076/**
1077 * Remount @c supermount if it was unmounted earlier.
1078 */
1079void remount_supermounts_if_necessary()
1080{
[128]1081 if (g_remount_cdrom_at_end) {
1082 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1083 }
1084 if (g_remount_floppy_at_end) {
1085 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1086 }
[1]1087}
1088
1089/**
1090 * Unmount @c supermount if it's mounted.
1091 */
1092void unmount_supermounts_if_necessary()
1093{
[128]1094 if (run_program_and_log_output
1095 ("mount | grep cdrom | grep super", FALSE) == 0) {
1096 g_remount_cdrom_at_end = TRUE;
1097 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1098 }
1099 if (run_program_and_log_output
1100 ("mount | grep floppy | grep super", FALSE) == 0) {
1101 g_remount_floppy_at_end = TRUE;
1102 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1103 }
[1]1104}
1105
1106/**
1107 * Whether we had to stop autofs (if so, restart it at end).
1108 */
[128]1109bool g_autofs_stopped = FALSE;
[1]1110
1111/**
1112 * Path to the autofs initscript ("" if none exists).
1113 */
1114char g_autofs_exe[MAX_STR_LEN];
1115
1116/**
1117 * Autofs initscript in Xandros Linux distribution.
1118 */
1119#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1120
1121/**
1122 * Autofs initscript in most Linux distributions.
1123 */
1124#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1125
1126/**
1127 * If autofs is mounted, stop it (restart at end).
1128 */
1129void stop_autofs_if_necessary()
1130{
[2518]1131 char *tmp = NULL;
[128]1132
1133 g_autofs_exe[0] = '\0';
1134 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1135 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1136 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1137 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1138 }
1139
1140 if (!g_autofs_exe[0]) {
1141 log_msg(3, "No autofs detected.");
1142 } else {
1143 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[2518]1144 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[3185]1145 mr_asprintf(tmp, "%s stop", g_autofs_exe);
[128]1146 if (run_program_and_log_output(tmp, 2)) {
1147 log_it("Failed to stop autofs - I assume it wasn't running");
1148 } else {
1149 g_autofs_stopped = TRUE;
1150 log_it("Stopped autofs OK");
1151 }
[2518]1152 mr_free(tmp);
[128]1153 }
[1]1154}
1155
1156/**
1157 * If autofs was stopped earlier, restart it.
1158 */
1159void restart_autofs_if_necessary()
1160{
[2518]1161 char *tmp = NULL;
[128]1162
1163 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1164 log_msg(3, "No autofs detected.");
1165 return;
1166 }
[3185]1167 mr_asprintf(tmp, "%s start", g_autofs_exe);
[128]1168 if (run_program_and_log_output(tmp, 2)) {
1169 log_it("Failed to start autofs");
1170 } else {
1171 g_autofs_stopped = FALSE;
1172 log_it("Started autofs OK");
1173 }
[2518]1174 mr_free(tmp);
[1]1175}
1176
1177
1178/**
1179 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1180 */
[3191]1181void mount_boot_if_necessary() {
[2518]1182 char *tmp = NULL;
1183 char *command = NULL;
[1]1184
[128]1185 log_msg(1, "Started sub");
1186 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1187 g_boot_mountpt[0] = '\0';
1188 log_msg(4, "Done. Great. Seeting command to something");
[3191]1189 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[128]1190 log_msg(4, "Cool. Command = '%s'", command);
[3185]1191 mr_asprintf(tmp, "%s", call_program_and_get_last_line_of_output(command));
[2518]1192 mr_free(command);
1193
[128]1194 log_msg(4, "tmp = '%s'", tmp);
[3191]1195 log_it("/boot is at %s according to /etc/fstab", tmp);
1196 mr_asprintf(command, "mount | grep -Ew '/boot'");
1197 mr_free(tmp);
[2518]1198
[3191]1199 mr_asprintf(tmp, call_program_and_get_last_line_of_output(command));
1200 mr_free(command);
1201
1202 if (!strcmp(tmp,"")) {
1203 if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=") != NULL)) {
1204 if (!run_program_and_log_output("mount /boot", 5)) {
1205 strcpy(g_boot_mountpt, "/boot");
1206 log_msg(1, "Mounted /boot");
[128]1207 } else {
[3191]1208 log_it("...ignored cos it's a label or uuid :-)");
1209 }
1210 } else {
1211 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1212 log_msg(3, "command = %s", command);
1213 if (run_program_and_log_output(command, 5)) {
1214 strcpy(g_boot_mountpt, tmp);
1215 mr_free(tmp);
1216 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
[2518]1217
[3191]1218 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1219 if (run_program_and_log_output(tmp, 5)) {
1220 g_boot_mountpt[0] = '\0';
1221 log_msg(1, "Plan B");
1222 if (!run_program_and_log_output("mount /boot", 5)) {
1223 strcpy(g_boot_mountpt, "/boot");
1224 log_msg(1, "Plan B worked");
1225 } else {
1226 log_msg(1,
1227 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
[128]1228 }
1229 }
1230 }
[3191]1231 mr_free(command);
[128]1232 }
[1]1233 }
[3191]1234 mr_free(tmp);
[128]1235 log_msg(1, "Ended sub");
[1]1236}
1237
1238
1239/**
1240 * If we mounted /boot earlier, unmount it.
1241 */
1242void unmount_boot_if_necessary()
1243{
[2518]1244 char *tmp = NULL;
[1]1245
[128]1246 log_msg(3, "starting");
1247 if (g_boot_mountpt[0]) {
[3185]1248 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
[128]1249 if (run_program_and_log_output(tmp, 5)) {
1250 log_it("WARNING - unable to unmount /boot");
1251 }
[2518]1252 mr_free(tmp);
[128]1253 }
1254 log_msg(3, "leaving");
[1]1255}
1256
1257
1258
1259/**
1260 * Write a line to a configuration file. Writes a line of the form,
1261 * @c label @c value.
1262 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1263 * @param label What to call this bit of data you're writing.
1264 * @param value The bit of data you're writing.
1265 * @return 0 for success, 1 for failure.
1266 */
[128]1267int write_cfg_var(char *config_file, char *label, char *value)
[1]1268{
[128]1269 /*@ buffers ***************************************************** */
[2518]1270 char *command = NULL;
1271 char *tempfile = NULL;
[1]1272
1273
[128]1274 /*@ end vars *************************************************** */
1275 assert_string_is_neither_NULL_nor_zerolength(config_file);
1276 assert_string_is_neither_NULL_nor_zerolength(label);
1277 assert(value != NULL);
1278 if (!does_file_exist(config_file)) {
[3191]1279 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
[128]1280 return (1);
1281 }
[3185]1282 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]1283 if (does_file_exist(config_file)) {
[3191]1284 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
[128]1285 paranoid_system(command);
[2518]1286 mr_free(command);
[128]1287 }
[3185]1288 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]1289 paranoid_system(command);
[2518]1290 mr_free(command);
1291
[3185]1292 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
[128]1293 paranoid_system(command);
[2518]1294 mr_free(command);
[128]1295 unlink(tempfile);
[2518]1296 mr_free(tempfile);
[128]1297 return (0);
[1]1298}
1299
[541]1300
[1]1301/**
[541]1302 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1303 * information to the logfile.
1304 */
[3191]1305void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1306
[541]1307 va_list args;
1308 static int depth = 0;
1309 FILE *fout;
1310
1311 if (depth > 5) {
1312 depth--;
1313 return;
1314 }
1315 depth++;
1316
1317 if (debug_level <= g_loglevel) {
1318 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1319 return;
[3191]1320 }
[541]1321
1322 // add tabs to distinguish log levels
1323 if (debug_level > 0) {
[3191]1324 fprintf(fout, "DBG%d: ", debug_level);
[541]1325 if (getpid() == g_main_pid)
[2205]1326 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1327 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]1328 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1329 else
[2205]1330 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[3191]1331 } else {
1332 fprintf(fout, "INFO: ");
[541]1333 }
[2230]1334 va_start(args, fmt);
[541]1335 vfprintf(fout, fmt, args);
[2230]1336 va_end(args);
[541]1337
1338 fprintf(fout, "\n");
1339 paranoid_fclose(fout);
1340 }
1341 depth--;
1342}
1343
1344/**
1345 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1346 */
[3194]1347void (*log_debug_msg) (int, const char *, const char *, int, const char *, ...) = standard_log_debug_msg;
[541]1348
1349
1350/**
[1]1351 * Allocate or free important globals, depending on @p mal.
1352 * @param mal If TRUE, malloc; if FALSE, free.
1353 */
1354void do_libmondo_global_strings_thing(int mal)
1355{
[128]1356 if (mal) {
1357 malloc_string(g_boot_mountpt);
1358 malloc_string(g_mondo_home);
1359 malloc_string(g_serial_string);
1360 malloc_string(g_magicdev_command);
1361 } else {
1362 paranoid_free(g_boot_mountpt);
1363 paranoid_free(g_mondo_home);
1364 paranoid_free(g_magicdev_command);
[2226]1365
[3191]1366 mr_free(g_serial_string);
[128]1367 }
[1]1368}
1369
1370/**
1371 * Allocate important globals.
1372 * @see do_libmondo_global_strings_thing
1373 */
1374void malloc_libmondo_global_strings(void)
1375{
[128]1376 do_libmondo_global_strings_thing(1);
[1]1377}
1378
1379/**
1380 * Free important globals.
1381 * @see do_libmondo_global_strings_thing
1382 */
1383void free_libmondo_global_strings(void)
1384{
[128]1385 do_libmondo_global_strings_thing(0);
[1]1386}
1387
1388
1389
1390/**
1391 * Stop @c magicdev if it's running.
1392 * The command used to start it is saved in @p g_magicdev_command.
1393 */
1394void stop_magicdev_if_necessary()
1395{
[3191]1396 strcpy(g_magicdev_command, call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
[128]1397 if (g_magicdev_command[0]) {
1398 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1399 paranoid_system("killall magicdev");
1400 }
[1]1401}
1402
1403
1404/**
1405 * Restart magicdev if it was stopped.
1406 */
1407void restart_magicdev_if_necessary()
1408{
[2518]1409 char *tmp = NULL;
[128]1410
1411 if (g_magicdev_command && g_magicdev_command[0]) {
[3185]1412 mr_asprintf(tmp, "%s &", g_magicdev_command);
[128]1413 paranoid_system(tmp);
[2518]1414 mr_free(tmp);
[128]1415 }
[1]1416}
1417
1418/* @} - end of utilityGroup */
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