source: MondoRescue/branches/3.3/mondo/src/common/libmondo-tools.c@ 3868

Last change on this file since 3868 was 3867, checked in by Bruno Cornec, 3 years ago

Fix find_home_of_exe calls + errors
  • Property svn:keywords set to Id
File size: 40.5 KB
RevLine 
[2030]1/*
[99]2 $Id: libmondo-tools.c 3867 2024-03-07 13:56:52Z 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"
[3500]13#include "mr_sys.h"
[1]14#include "mondostructures.h"
[541]15#include "lib-common-externs.h"
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 3867 2024-03-07 13:56:52Z 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 */
[3756]44bool g_remount_cdrom_at_end; ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
[3268]45bool g_cd_recovery = FALSE; ///< TRUE if we're making an "autonuke" backup.
[1]46double g_kernel_version;
47
48/**
49 * The place where /boot is mounted.
50 */
[128]51char *g_boot_mountpt = NULL;
[1]52
53/**
54 * The location of Mondo's home directory.
55 */
[3790]56extern char *g_mondo_home;
[1]57
58/**
59 * The location where tmpfs is mounted, or "" if it's not mounted.
[2030]60char *g_tmpfs_mountpt = NULL;
[1]61 */
[128]62char *g_magicdev_command = NULL;
[1]63
64/**
65 * The default maximum level to log messages at or below.
66 */
[128]67int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]68
69/* @} - end of globalGroup */
70
71
72extern pid_t g_buffer_pid;
73extern pid_t g_main_pid;
74
75extern t_bkptype g_backup_media_type;
76
77extern bool am_I_in_disaster_recovery_mode(void);
78
[1917]79/*-----------------------------------------------------------*/
80
81
[1]82/**
83 * @addtogroup utilityGroup
84 * @{
85 */
86/**
87 * Assertion handler. Prints a friendly message to the user,
88 * offering to ignore all, dump core, break to debugger,
89 * exit, or ignore. Intended to be used with an assert() macro.
90 *
91 * @param file The file in which the assertion triggered.
92 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
93 * @param line The line number of the assert() statement.
94 * @param exp The expression that failed (as a string).
95 */
[128]96void _mondo_assert_fail(const char *file,
97 const char *function, int line, const char *exp)
[1]98{
[128]99 static int ignoring_assertions = 0;
100 bool is_valid = TRUE;
[1]101
[3613]102 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line, function);
[128]103 if (ignoring_assertions) {
104 log_it("Well, the user doesn't care...");
105 return;
106 }
107 if (!g_text_mode)
108 newtSuspend();
[541]109 printf("ASSERTION FAILED: `%s'\n", exp);
110 printf("\tat %s:%d in %s\n\n", file, line, function);
111 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]112 do {
113 is_valid = TRUE;
114 switch (toupper(getchar())) {
115 case 'A': // ignore (A)ll
116 ignoring_assertions = 1;
117 break;
118 case 'B': // a(B)ort
119 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
120 raise(SIGABRT);
121 break; /* "can't get here" */
122 case 'D': // (D)ebug, aka asm("int 3")
[1]123#ifdef __IA32__
[128]124 __asm__ __volatile__("int $3"); // break to debugger
[1]125#endif
[128]126 break;
127 case 'E': // (E)xit
128 fatal_error("Failed assertion -- see above for details");
129 break; /* "can't get here" */
130 case 'I': // (I)gnore
131 break;
132 /* These next two work as follows:
133 the `default' catches the user's invalid choice and says so;
134 the '\n' catches the newline on the end and prints the prompt again.
135 */
136 case '\n':
[3613]137 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]138 break;
139 default:
140 is_valid = FALSE;
[541]141 printf("Invalid choice.\n");
[128]142 break;
143 }
144 } while (!is_valid);
145
146 if (ignoring_assertions) {
147 log_it("Ignoring ALL assertions from now on.");
148 } else {
149 log_it("Ignoring assertion: %s", exp);
[1]150 }
151
[128]152 getchar(); // skip \n
[1]153
[128]154 if (!g_text_mode)
155 newtResume();
[1]156}
157
158/**
159 * Clean's up users' KDE desktops.
160 * @bug Details about this function are unknown.
161 */
162void clean_up_KDE_desktop_if_necessary(void)
163{
[3191]164 char *tmp = NULL;
[1]165
[3191]166 mr_asprintf(tmp, "for i in `find /root /home -maxdepth 2 -type d -name Desktop -maxdepth 2`; do file=$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]167 run_program_and_log_output(tmp, 5);
[3191]168 mr_free(tmp);
[1]169}
170
171
172/**
173 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
174 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
175 *
176 * @param home_sz String to store the home directory ("" if it could not be found).
177 * @return 0 for success, nonzero for failure.
178 */
179int find_and_store_mondoarchives_home(char *home_sz)
180{
[128]181 assert(home_sz != NULL);
[424]182 strcpy(home_sz, MONDO_SHARE);
[182]183 return (0);
[1]184}
185
186
[1375]187char *get_architecture(void) {
[1]188#ifdef __IA32__
[1375]189# ifdef __X86_64__
190 return ("x86_64");
191# else
192 return ("i386");
193# endif
[1]194#endif
195#ifdef __IA64__
[128]196 return ("ia64");
[1]197#endif
[128]198 return ("unknown");
[1]199}
200
201
[1375]202char *get_uname_m(void) {
[1]203
[1375]204 struct utsname utsn;
205 char *tmp = NULL;
206
207 uname(&utsn);
[3185]208 mr_asprintf(tmp, "%s", utsn.machine);
[1375]209 return (tmp);
210}
211
212
213
214double get_kernel_version(void)
[1]215{
[3191]216 char *p = NULL;
217 char *tmp = NULL;
[128]218 double d;
[1]219#ifdef __FreeBSD__
[128]220 // JOSH - FIXME :)
221 d = 5.2; // :-)
[1]222#else
[3610]223 tmp = call_program_and_get_last_line_of_output("uname -r");
[128]224 p = strchr(tmp, '.');
225 if (p) {
226 p = strchr(++p, '.');
227 if (p) {
228 while (*p) {
229 *p = *(p + 1);
230 p++;
231 }
232 }
233 }
234 d = atof(tmp);
[3191]235 mr_free(tmp);
[1]236#endif
[128]237 log_msg(1, "g_kernel_version = %f", d);
238 return (d);
[1]239}
240
241
242/**
243 * Get the current time.
244 * @return number of seconds since the epoch.
245 */
[128]246long get_time()
[1]247{
[128]248 return (long) time((void *) 0);
[1]249}
250
251
252/**
253 * Initialize a RAID volume structure, setting fields to zero. The
254 * actual hard drive is unaffected.
255 *
256 * @param raidrec The RAID volume structure to initialize.
257 * @note This function is system dependent.
258 */
259#ifdef __FreeBSD__
[128]260void initialize_raidrec(struct vinum_volume *raidrec)
[1]261{
[128]262 int i, j;
263 raidrec->volname[0] = '\0';
264 raidrec->plexes = 0;
265 for (i = 0; i < 9; ++i) {
266 raidrec->plex[i].raidlevel = -1;
267 raidrec->plex[i].stripesize = 0;
268 raidrec->plex[i].subdisks = 0;
269 for (j = 0; j < 9; ++j) {
270 strcpy(raidrec->plex[i].sd[j].which_device, "");
271 }
272 }
[1]273}
274#else
[128]275void initialize_raidrec(struct raid_device_record *raidrec)
[1]276{
[128]277 assert(raidrec != NULL);
278 raidrec->raid_device[0] = '\0';
[558]279 raidrec->raid_level = -9;
[128]280 raidrec->persistent_superblock = 1;
[558]281 raidrec->chunk_size = 64;
282 raidrec->parity = -1;
[128]283 raidrec->data_disks.entries = 0;
284 raidrec->spare_disks.entries = 0;
285 raidrec->parity_disks.entries = 0;
286 raidrec->failed_disks.entries = 0;
287 raidrec->additional_vars.entries = 0;
[1]288}
289#endif
290
291
292
293
294/**
295 * Insert modules that Mondo requires.
[1236]296 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]297 * @c msdosfs and @c ext2fs for FreeBSD.
298 */
299void insmod_crucial_modules(void)
300{
301#ifdef __FreeBSD__
[3060]302 paranoid_system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
303 paranoid_system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]304#else
[3060]305 paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
[1]306#endif
307}
308
[3794]309/* compute the final options for bootable media, considering the command and the boot type */
[3665]310char *mr_compute_uefi_string(char *isofs_cmd) {
311
312 char *uefistr = NULL;
313 char *mondo_mkisofs_sz = NULL;
314
315 /* real media */
316 if (strstr(isofs_cmd,"growisofs")) {
317 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
318 } else {
319 /* iso image */
320 if (bkpinfo->boot_type == UEFI) {
321 if (strstr(isofs_cmd,"xorriso")) {
322 /* xorriso needs another '-' before efi-boot */
323 mr_asprintf(uefistr, "%s -%s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
324 } else {
325 mr_asprintf(uefistr, "%s %s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
326 }
327 } else {
328 mr_asprintf(uefistr, "%s",MONDO_MKISOFS_CMS);
329 }
330 mr_asprintf(mondo_mkisofs_sz, "%s%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX, uefistr);
331 }
332
333 return(mondo_mkisofs_sz);
334}
335
[1]336/**
337 * Finish configuring the backup information structure. Call this function
338 * to set the parameters that depend on those that can be given on the command
339 * line.
340 *
341 * @param bkpinfo The backup information structure. Fields modified/used:
342 * - Used: @c bkpinfo->backup_data
343 * - Used: @c bkpinfo->backup_media_type
344 * - Used: @c bkpinfo->cdrw_speed
345 * - Used: @c bkpinfo->compression_level
346 * - Used: @c bkpinfo->include_paths
[20]347 * - Used: @c bkpinfo->prefix
[1]348 * - Used: @c bkpinfo->isodir
349 * - Used: @c bkpinfo->manual_cd_tray
350 * - Used: @c bkpinfo->make_cd_use_lilo
351 * - Used: @c bkpinfo->media_device
[2380]352 * - Used: @c bkpinfo->netfs_mount
[1]353 * - Used: @c bkpinfo->nonbootable_backup
354 * - Used: @c bkpinfo->scratchdir
355 * - Used: @c bkpinfo->tmpdir
356 * - Used: @c bkpinfo->use_lzo
357 * - Modified: @c bkpinfo->call_before_iso
358 * - Modified: @c bkpinfo->call_make_iso
359 * - Modified: @c bkpinfo->optimal_set_size
360 * - Modified: @c bkpinfo->zip_exe
361 * - Modified: @c bkpinfo->zip_suffix
362 *
363 * @return number of errors, or 0 for success.
364 * @note Also creates directories that are specified in the @c bkpinfo structure but
365 * do not exist.
366 */
[1645]367int post_param_configuration()
[1]368{
[2211]369 char *extra_cdrom_params = NULL;
370 char *mondo_mkisofs_sz = NULL;
[2518]371 char *command = NULL;
[2848]372 char *isofs_cmd = NULL;
[128]373 int retval = 0;
[3191]374 char *cdr_exe = NULL;
[2518]375 char *tmp = NULL;
[3191]376 char *call_before_iso_user = NULL;
[2518]377 char *iso_dev = NULL;
378 char *iso_mnt = NULL;
379 char *iso_tmp = NULL;
[3278]380 char *iso_dir = NULL;
[1]381
[128]382 assert(bkpinfo != NULL);
[3191]383
[3318]384 bkpinfo->optimal_set_size = (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * 1024L;
[1]385
[2658]386 log_msg(1, "Post-param");
[128]387 if (bkpinfo->backup_media_type == tape) {
[2926]388 if (whine_if_not_found("mt") == 1) {
389 fatal_error("Please install the mt command");
390 }
[2658]391 log_msg(1, "Tape");
[3191]392 if (bkpinfo->media_device == NULL) {
393 return(1);
394 }
[3185]395 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
[128]396 log_msg(1, "tmp = '%s'", tmp);
397 if (run_program_and_log_output(tmp, 3)) {
[2518]398 mr_free(tmp);
[3205]399 fatal_error("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.");
[128]400 }
[2518]401 mr_free(tmp);
[1]402 }
[128]403 if (bkpinfo->backup_media_type == iso)
404 make_hole_for_dir(bkpinfo->isodir);
[1]405
[128]406 run_program_and_log_output("uname -a", 5);
[678]407 run_program_and_log_output("cat /etc/*-release", 5);
[128]408 run_program_and_log_output("cat /etc/*issue*", 5);
[1]409#ifdef __FreeBSD__
410#else
[128]411 run_program_and_log_output("cat /proc/cpuinfo", 5);
[3292]412 /*
413 run_program_and_log_output("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", 5);
414 */
[1]415#endif
[128]416
417 if (bkpinfo->use_lzo) {
[3830]418 mr_asprintf(bkpinfo->zip_exe, "%s", "lzop");
419 mr_asprintf(bkpinfo->zip_suffix, "%s", "lzo");
[998]420 } else if (bkpinfo->use_gzip) {
[3830]421 mr_asprintf(bkpinfo->zip_exe, "%s", "gzip");
422 mr_asprintf(bkpinfo->zip_suffix, "%s", "gz");
[3191]423 } else if (bkpinfo->use_lzma) {
[3830]424 mr_asprintf(bkpinfo->zip_exe, "%s", "xz");
425 mr_asprintf(bkpinfo->zip_suffix, "%s", "xz");
[128]426 } else if (bkpinfo->compression_level != 0) {
[3830]427 mr_asprintf(bkpinfo->zip_exe, "%s", "bzip2");
428 mr_asprintf(bkpinfo->zip_suffix, "%s", "bz2");
[128]429 } else {
[3830]430 mr_free(bkpinfo->zip_exe);
431 mr_free(bkpinfo->zip_suffix);
[1]432 }
433
434// DVD
435
[128]436 if (bkpinfo->backup_media_type == dvd) {
[3867]437 if ((cdr_exe = find_home_of_exe("growisofs")) == NULL) {
[128]438 fatal_error("Please install growisofs.");
439 }
440 if (bkpinfo->nonbootable_backup) {
[3185]441 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[128]442 } else if
[1]443#ifdef __FreeBSD__
[128]444 (TRUE)
[1]445#else
[128]446 (bkpinfo->make_cd_use_lilo)
[1]447#endif
448#ifdef __IA64__
[128]449 {
[3185]450 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[128]451 }
[1]452#else
453 {
[3185]454 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]455 }
[128]456#endif
[3191]457 else {
[3665]458 mondo_mkisofs_sz = mr_compute_uefi_string(cdr_exe);
[128]459 }
[3867]460 mr_free(cdr_exe);
461
[128]462 if (bkpinfo->manual_cd_tray) {
463 fatal_error("Manual CD tray + DVD not supported yet.");
464 // -m isn't supported by growisofs, BTW...
465 } else {
[3827]466 mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
[128]467 }
[3191]468 mr_free(mondo_mkisofs_sz);
[153]469 if (getenv ("SUDO_COMMAND")) {
[3185]470 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
[3610]471 tmp = call_program_and_get_last_line_of_output(command);
472 mr_free(command);
473 if (!strcmp(tmp, "1")) {
474 mr_free(tmp);
[679]475 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
476 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
477 }
[3610]478 mr_free(tmp);
[153]479 }
[3191]480 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
[128]481 } // end of DVD code
[1]482
483// CD-R or CD-RW
[128]484 if (bkpinfo->backup_media_type == cdrw
485 || bkpinfo->backup_media_type == cdr) {
486 if (!bkpinfo->manual_cd_tray) {
[3185]487 mr_asprintf(extra_cdrom_params, "-waiti ");
[128]488 }
489 if (bkpinfo->backup_media_type == cdrw) {
[3185]490 mr_asprintf(extra_cdrom_params, "blank=fast ");
[128]491 }
[2677]492 if (extra_cdrom_params == NULL) {
493 // If not initialized earlier, do it now
[3185]494 mr_asprintf(extra_cdrom_params, " ");
[2677]495 }
[3867]496 if ((cdr_exe = find_home_of_exe("cdrecord")) == NULL) {
497 if ((cdr_exe = find_home_of_exe("wodim")) == NULL) {
498 if ((cdr_exe = find_home_of_exe("dvdrecord")) == NULL) {
499 fatal_error("Please install either cdrecord, wodim or dvdrecord.");
500 }
501 }
[128]502 }
[3867]503 if ((tmp = find_home_of_exe("xorriso")) != NULL) {
504 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_XORRISO_OPT);
505 } else if ((tmp = find_home_of_exe("genisoimage")) != NULL) {
506 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_GENISOIMAGE_OPT);
507 } else if ((tmp = find_home_of_exe("mkisofs")) != NULL) {
508 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_MKISOFS_OPT);
509 } else if ((tmp = find_home_of_exe("wodim")) != NULL) {
510 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_WODIM_OPT);
[2848]511 } else {
[3867]512 fatal_error("Unable to find a command to create ISO among xorriso, genisoimage, mksiofs or wodim, please install one");
[2848]513 }
[3867]514 mr_free(tmp);
515
[128]516 if (bkpinfo->nonbootable_backup) {
[3185]517 mr_asprintf(mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
[128]518 } else if
[1]519#ifdef __FreeBSD__
[128]520 (TRUE)
[1]521#else
[128]522 (bkpinfo->make_cd_use_lilo)
[1]523#endif
524#ifdef __IA64__
525 {
[3539]526 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
[1]527 }
[128]528#else
[1]529 {
[3539]530 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
[1]531 }
[128]532#endif
[3514]533 else {
[3665]534 mondo_mkisofs_sz = mr_compute_uefi_string(isofs_cmd);
[128]535 }
[2848]536 mr_free(isofs_cmd);
537
[128]538 if (bkpinfo->manual_cd_tray) {
[3823]539 if (bkpinfo->call_before_iso == NULL) {
540 mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
[3205]541 } else {
[3191]542 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
[3823]543 mr_free(bkpinfo->call_before_iso);
544 mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
[3191]545 mr_free(call_before_iso_user);
[163]546 }
547 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[3827]548 mr_asprintf(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]549 } else {
[3827]550 mr_asprintf(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]551 }
[3191]552 mr_free(cdr_exe);
553 mr_free(mondo_mkisofs_sz);
554 mr_free(extra_cdrom_params);
[128]555 } // end of CD code
[1]556
[128]557 if (bkpinfo->backup_media_type == iso) {
558
[3278]559/* Break up isodir into iso_mnt and iso_dir
[1]560 * These will be used along with iso-dev at restore time
561 * to locate the ISOs where ever they're mounted
562 */
563
[128]564 log_it("isodir = %s", bkpinfo->isodir);
[3191]565 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
[128]566 log_it("command = %s", command);
[3610]567 iso_dev = call_program_and_get_last_line_of_output(command);
[3191]568 log_it("res of it = %s", iso_dev);
[3185]569 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
[3191]570 write_one_liner_data_file(tmp, iso_dev);
[2518]571 mr_free(tmp);
572 mr_free(command);
[1]573
[3185]574 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
[2518]575 mr_free(iso_dev);
576
[128]577 log_it("command = %s", command);
[3610]578 iso_mnt = call_program_and_get_last_line_of_output(command);
[3191]579 log_it("res of it = %s", iso_mnt);
[3185]580 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
[3191]581 write_one_liner_data_file(tmp, iso_mnt);
[2518]582 mr_free(tmp);
583 mr_free(command);
584
[3278]585 log_it("iso_mnt: %s, %d", iso_mnt, strlen(iso_mnt));
[3185]586 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
[128]587 if (strlen(iso_tmp) < strlen(iso_mnt)) {
[3278]588 mr_asprintf(iso_dir, "%s", "");
[128]589 } else {
[3278]590 // If iso_mnt is only / then iso_dir is the full dir
[2522]591 // (the formula bellow doesn't work in this case)
592 if (strcmp(iso_mnt, "/") == 0) {
[3278]593 mr_asprintf(iso_dir, "%s", iso_tmp);
[2522]594 // else it's a part of iso_tmp
595 } else {
[3278]596 mr_asprintf(iso_dir, "%s", iso_tmp + strlen(iso_mnt));
[2522]597 }
[128]598 }
[3191]599 mr_free(iso_mnt);
[2518]600 mr_free(iso_tmp);
601
[3278]602 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
603 write_one_liner_data_file(tmp, iso_dir);
[2518]604 mr_free(tmp);
605
[3278]606 log_it("iso-dir: %s", iso_dir);
607 mr_free(iso_dir);
[2518]608
[3185]609 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[148]610 write_one_liner_data_file(tmp, bkpinfo->prefix);
[2518]611 mr_free(tmp);
612
[148]613 log_it("iso-prefix: %s", bkpinfo->prefix);
[1]614
615/* End patch */
[128]616 } // end of iso code
[1]617
[2380]618 if (bkpinfo->backup_media_type == netfs) {
[3268]619 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
620 write_one_liner_data_file(tmp, bkpinfo->prefix);
621 mr_free(tmp);
622
[3278]623 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
624 write_one_liner_data_file(tmp, bkpinfo->isodir);
625 mr_free(tmp);
626
627 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
628 write_one_liner_data_file(tmp, bkpinfo->netfs_remote_dir);
629 mr_free(tmp);
630
[3191]631 if (bkpinfo->netfs_mount) {
[3268]632 mr_asprintf(tmp, "%s/NETFS-SERVER-MOUNT", bkpinfo->tmpdir);
633 write_one_liner_data_file(tmp, bkpinfo->netfs_mount);
634 mr_free(tmp);
[3191]635 } else {
636 log_it("netfs_mount is NULL");
637 retval++;
638 }
[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;
689 return (res);
[1]690}
691
[3043]692/* From busybox under GPLv2 */
693#ifndef HAVE_MKDTEMP
694/* This is now actually part of POSIX.1, but was only added in 2008 */
695char* mkdtemp(char *template)
696{
[3514]697 if (mkstemp(template) == -1) {
[3043]698 return NULL;
[3507]699 }
700 unlink(template);
701 if (mkdir(template, 0700) != 0) {
702 return NULL;
703 }
[3043]704 return template;
705}
706#endif
707
[1655]708void setup_tmpdir(char *path) {
[1967]709
[1653]710 char *tmp = NULL;
[1]711
[3833]712 if (bkpinfo->tmpdir != NULL) {
[1655]713 /* purging a potential old tmpdir */
[3060]714 if (chdir("/tmp")) {
715 // FIXME
716 }
[3154]717 if (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL) {
718 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
[3185]719 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
[3154]720 } else {
721 log_it("Purging old tmpdir %s/mondo.tmp.*", bkpinfo->tmpdir);
[3185]722 mr_asprintf(tmp,"rm -Rf %s/mondo.tmp.*",bkpinfo->tmpdir);
[3154]723 }
[3060]724 paranoid_system(tmp);
[3154]725 mr_free(tmp);
[1655]726 }
[1967]727
[3154]728 /* Always take in account arg first, then env, then default */
729 if (path != NULL) {
[3503]730 mr_system("mkdir -p %s",path);
731 log_it("Created temporary directory %s", path);
[3185]732 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
[3154]733 } else if (getenv("TMPDIR")) {
[3500]734 mr_system("mkdir -p %s",getenv("TMPDIR"));
[3503]735 log_it("Created temporary directory %s", getenv("TMPDIR"));
[3185]736 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[3154]737 } else if (getenv("MRTMP")) {
[3500]738 mr_system("mkdir -p %s",getenv("MRTMP"));
[3503]739 log_it("Created temporary directory %s", getenv("MRTMP"));
[3185]740 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("MRTMP"));
[1653]741 } else {
[3185]742 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]743 }
[3834]744 mr_free(bkpinfo->tmpdir);
[3833]745 bkpinfo->tmpdir = mkdtemp(tmp);
746 if (bkpinfo->tmpdir == NULL) {
[3195]747 printf("Failed to create global tmp directory %s for Mondo.",tmp);
[3191]748 mr_free(tmp);
[1653]749 finish(-1);
750 }
[3191]751 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
[3507]752 mr_system("mkdir -p %s/tmpfs", bkpinfo->tmpdir);
[1653]753}
[1]754
[3154]755void setup_scratchdir(char *path) {
[1]756
[3154]757 char *tmp = NULL;
758
759 if (bkpinfo->scratchdir != NULL) {
760 /* purging a potential old scratchdir */
761 if (chdir("/tmp")) {
762 // FIXME
763 }
764 if (strstr(bkpinfo->scratchdir,"mondo.scratch.") != NULL) {
765 log_it("Purging old scratchdir %s", bkpinfo->scratchdir);
[3185]766 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->scratchdir);
[3154]767 } else {
768 log_it("Purging old scratchdir %s/mondo.scratch.*", bkpinfo->scratchdir);
[3185]769 mr_asprintf(tmp,"rm -Rf %s/mondo.scratch.*",bkpinfo->scratchdir);
[3154]770 }
771 paranoid_system(tmp);
772 mr_free(tmp);
773 }
774
775 /* Always take in account arg first, then env, then default */
776 if (path != NULL) {
[3500]777 mr_system("mkdir -p %s",path);
[3503]778 log_it("Created scratch directory %s", path);
[3185]779 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", path);
[3154]780 } else if (getenv("MRSCRATCH")) {
[3500]781 mr_system("mkdir -p %s",getenv("MRSCRATCH"));
[3503]782 log_it("Created scratch directory %s", getenv("MRSCRATCH"));
[3185]783 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", getenv("MRSCRATCH"));
[3154]784 } else {
[3185]785 mr_asprintf(tmp, "/tmp/mondo.scratch.XXXXXX");
[3154]786 }
[3834]787 mr_free(bkpinfo->scratchdir);
788 bkpinfo->scratchdir = mkdtemp(tmp);
789 if (bkpinfo->scratchdir == NULL) {
[3154]790 log_it("Failed to create global scratch directory %s for Mondo.",tmp);
[3834]791 mr_free(tmp);
[3154]792 finish(-1);
793 }
[3191]794 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
[3834]795 mr_system("mkdir -p %s", bkpinfo->scratchdir);
[3154]796}
797
798
[1]799/**
800 * Reset all fields of the backup information structure to a sensible default.
801 * @param bkpinfo The @c bkpinfo to reset.
802 */
[1645]803void reset_bkpinfo()
[1]804{
[128]805 assert(bkpinfo != NULL);
806 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[1653]807
[3822]808 bkpinfo->media_device = NULL;
[3150]809 bkpinfo->media_size = -1;
[128]810 bkpinfo->boot_loader = '\0';
[3373]811 bkpinfo->boot_device = NULL;
[3830]812 bkpinfo->zip_exe = NULL;
813 bkpinfo->zip_suffix = NULL;
[3821]814 bkpinfo->image_devs = NULL;
[1966]815 bkpinfo->compression_level = 3;
[128]816 bkpinfo->use_lzo = FALSE;
[998]817 bkpinfo->use_gzip = FALSE;
[3191]818 bkpinfo->use_lzma = FALSE;
[128]819 bkpinfo->verify_data = FALSE;
820 bkpinfo->backup_data = FALSE;
821 bkpinfo->restore_data = FALSE;
[1966]822 bkpinfo->use_star = FALSE;
823 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[3191]824
[3194]825 /* We need tmpdir as early as possible for further function calls */
[3834]826 bkpinfo->tmpdir = NULL; // Really setup just after
827 bkpinfo->scratchdir = NULL; // Really setup just after
[3191]828 setup_tmpdir(NULL);
829 setup_scratchdir(NULL);
830
831 bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
[128]832 if (bkpinfo->disaster_recovery) {
[3836]833 mr_asprintf(bkpinfo->isodir, "%s", "/");
[128]834 } else {
[3836]835 mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
[128]836 }
[3836]837 mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
[3318]838 bkpinfo->optimal_set_size = 0L;
[3191]839 bkpinfo->backup_media_type = none;
[1966]840 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[3191]841 bkpinfo->exclude_paths = NULL;
842 bkpinfo->include_paths = NULL;
[2424]843 bkpinfo->exclude_devs = NULL;
[3828]844 bkpinfo->restore_path = NULL;
[3823]845 bkpinfo->call_before_iso = NULL;
[3827]846 bkpinfo->call_make_iso = NULL;
847 bkpinfo->call_burn_iso = NULL;
848 bkpinfo->call_after_iso = NULL;
[3829]849 bkpinfo->kernel_path = NULL;
[3194]850 bkpinfo->netfs_mount = NULL;
[2380]851 bkpinfo->netfs_proto = NULL;
852 bkpinfo->netfs_user = NULL;
[3194]853 bkpinfo->netfs_remote_dir = NULL;
[3826]854 bkpinfo->postnuke_tarball = NULL;
[2769]855 bkpinfo->subdir = NULL;
[128]856 bkpinfo->wipe_media_first = FALSE;
[1966]857 bkpinfo->differential = 0;
858 bkpinfo->please_dont_eject = FALSE;
[128]859 bkpinfo->cdrw_speed = 0;
[1966]860 bkpinfo->manual_cd_tray = FALSE;
861 bkpinfo->nonbootable_backup = FALSE;
862 bkpinfo->make_cd_use_lilo = FALSE;
863 bkpinfo->use_obdr = FALSE;
[1967]864 bkpinfo->restore_mode = interactive;
[3375]865 bkpinfo->boot_type = BIOS;
[1]866}
867
868
869/**
870 * Get the remaining free space (in MB) on @p partition.
871 * @param partition The partition to check free space on (either a device or a mountpoint).
872 * @return The free space on @p partition, in MB.
873 */
[128]874long free_space_on_given_partition(char *partition)
[1]875{
[2518]876 char *out_sz = NULL;
877 char *command = NULL;
[128]878 long res;
[1]879
[128]880 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]881
[3185]882 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]883 if (system(command)) {
[2518]884 mr_free(command);
[128]885 return (-1);
886 } // partition does not exist
[2518]887 mr_free(command);
888
[3191]889 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
[3610]890 out_sz = call_program_and_get_last_line_of_output(command);
[2518]891 mr_free(command);
892
[128]893 if (strlen(out_sz) == 0) {
[2518]894 mr_free(out_sz);
[128]895 return (-1);
896 } // error within df, probably
897 res = atol(out_sz);
[2518]898 mr_free(out_sz);
[128]899 return (res);
[1]900}
901
902
903
904/**
905 * Check the user's system for sanity. Checks performed:
906 * - make sure user has enough RAM (32mb required, 64mb recommended)
907 * - make sure user has enough free space in @c /
908 * - check kernel for ramdisk support
909 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
910 * - make sure CD-ROM is unmounted
911 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
912 *
913 * @return number of problems with the user's setup (0 for success)
914 */
[128]915int some_basic_system_sanity_checks()
[1]916{
917
[128]918 /*@ buffers ************ */
[2518]919 char *tmp = NULL;
[1]920
[128]921 /*@ int's *************** */
922 int retval = 0;
[1]923
[3195]924 mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
[1]925#ifndef __FreeBSD__
[1737]926 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
927 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
[3191]928 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
929 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
[128]930 }
[3610]931 tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2");
[128]932 if (atol(tmp) < 35000) {
933 retval++;
[541]934 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]935 }
936 if (atol(tmp) < 66000) {
[3191]937 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]938 }
[2518]939 mr_free(tmp);
[1]940#endif
941
[128]942 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
943 retval++;
[3613]944 log_to_screen("Unable to find " MKE2FS_OR_NEWFS " in system path.");
945 fatal_error("Please use \"su -\", not \"su\" to become root. OK?\n...and please don't e-mail the mailing list about this. Just read the message. :)");
[128]946 }
[1]947#ifndef __FreeBSD__
[3613]948 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
[2194]949 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
[2195]950 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
[3195]951 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
[3225]952 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 another kernel. Are you?")) {
[2194]953 // retval++;
[3195]954 log_to_screen("It looks as if your kernel lacks ramdisk and initrd support.");
955 log_to_screen("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
[2194]956 }
[128]957 }
958 }
[1]959#endif
[128]960 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
[3502]961 if (system("which xorriso > /dev/null 2> /dev/null")) {
962 if (system("which genisoimage > /dev/null 2> /dev/null")) {
963 retval += whine_if_not_found("mkisofs");
964 }
[2751]965 }
966 if (system("which wodim > /dev/null 2> /dev/null")) {
[128]967 retval += whine_if_not_found("cdrecord");
968 }
969 retval += whine_if_not_found("bzip2");
[998]970 retval += whine_if_not_found("gzip");
[3867]971 retval += whine_if_not_found("cmp");
[128]972 retval += whine_if_not_found("awk");
973 retval += whine_if_not_found("md5sum");
974 retval += whine_if_not_found("strings");
975 retval += whine_if_not_found("mindi");
976 retval += whine_if_not_found("buffer");
[1]977
[128]978 // abort if Windows partition but no ms-sys and parted
[1855]979 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[3394]980 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -Ew efi", 0)) {
981 log_to_screen("I think you have a EFI/UEFI partition.");
982 } else {
983 log_to_screen("I think you have a Windows 9x partition.");
984 }
[128]985 retval += whine_if_not_found("parted");
[1]986 }
987
[3191]988 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[3618]989 tmp = call_program_and_get_last_line_of_output("mount | grep -E 'cdr(om|w)'");
[128]990 if (strcmp("", tmp)) {
991 if (strstr(tmp, "autofs")) {
[3195]992 log_to_screen("Your CD-ROM is mounted via autofs. I therefore cannot tell");
993 log_to_screen("if a CD actually is inserted. If a CD is inserted, please");
[541]994 log_to_screen("eject it. Thank you.");
[3195]995 log_it("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
[128]996 } else
997 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
998 retval++;
[2518]999 mr_free(tmp);
1000 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
[128]1001 }
1002 }
[2518]1003 mr_free(tmp);
[1]1004
[128]1005 run_program_and_log_output("cat /etc/fstab", 5);
[1]1006#ifdef __FreeBSD__
[128]1007 run_program_and_log_output("vinum printconfig", 5);
[1]1008#else
[128]1009 run_program_and_log_output("cat /etc/raidtab", 5);
[1]1010#endif
1011
[128]1012 if (run_program_and_log_output("mindi -V", 1)) {
[541]1013 log_to_screen("Could not ascertain mindi's version number.");
[3195]1014 log_to_screen("You have not installed Mondo and/or Mindi properly.");
[541]1015 log_to_screen("Please uninstall and reinstall them both.");
[128]1016 fatal_error("Please reinstall Mondo and Mindi.");
1017 }
[3185]1018 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
[1644]1019 if (run_program_and_log_output(tmp, 5)) {
[3195]1020 log_to_screen("%s failed for some reason.", tmp);
[2518]1021 mr_free(tmp);
[3292]1022 log_to_screen("Please run that command by hand and examine "MINDI_LOGFILE);
[3195]1023 log_to_screen("for more information. Perhaps your /etc/fstab file is insane.");
1024 log_to_screen("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]1025 retval++;
1026 }
[2518]1027 mr_free(tmp);
[1]1028
[3377]1029 if (!run_program_and_log_output("mr-parted2fdisk -l 2>/dev/null | grep -i raid", 1) && !does_file_exist("/etc/raidtab")) {
[3195]1030 log_to_screen("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[2982]1031 create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
[128]1032 }
1033
1034 if (retval) {
[541]1035 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1036 } else {
[541]1037 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1038 }
1039 return (retval);
[1]1040}
1041
1042/**
1043 * Retrieve the line containing @p label from the config file.
[3268]1044 * @param config_file The file to read from, usually @c /tmp/mondorestore.cfg.
[1]1045 * @param label What to read from the file.
1046 * @param value Where to put it.
1047 * @return 0 for success, 1 for failure.
1048 */
[128]1049int read_cfg_var(char *config_file, char *label, char *value)
[1]1050{
[128]1051 /*@ buffer ****************************************************** */
[2518]1052 char *command = NULL;
[3610]1053 char *tmp = NULL;
[1]1054
[128]1055 /*@ end vars *************************************************** */
[1]1056
[128]1057 assert_string_is_neither_NULL_nor_zerolength(config_file);
1058 assert_string_is_neither_NULL_nor_zerolength(label);
1059 if (!does_file_exist(config_file)) {
[3191]1060 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
[128]1061 value[0] = '\0';
1062 return (1);
[1279]1063 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1064 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]1065 return (0);
1066 } else {
[3205]1067 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
[3610]1068 tmp = call_program_and_get_last_line_of_output(command);
1069 strcpy(value, tmp);
[2518]1070 mr_free(command);
1071
[3191]1072 log_msg(4, "Configuration item %s is %s", label, value);
[128]1073 if (strlen(value) == 0) {
1074 return (1);
1075 } else {
1076 return (0);
1077 }
[1]1078 }
1079}
1080
1081
1082
1083/**
1084 * Remount @c supermount if it was unmounted earlier.
1085 */
1086void remount_supermounts_if_necessary()
1087{
[128]1088 if (g_remount_cdrom_at_end) {
1089 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1090 }
[1]1091}
1092
1093/**
1094 * Unmount @c supermount if it's mounted.
1095 */
1096void unmount_supermounts_if_necessary()
1097{
[128]1098 if (run_program_and_log_output
1099 ("mount | grep cdrom | grep super", FALSE) == 0) {
1100 g_remount_cdrom_at_end = TRUE;
1101 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1102 }
[1]1103}
1104
1105/**
1106 * Whether we had to stop autofs (if so, restart it at end).
1107 */
[128]1108bool g_autofs_stopped = FALSE;
[1]1109
1110/**
1111 * Path to the autofs initscript ("" if none exists).
1112 */
1113char g_autofs_exe[MAX_STR_LEN];
1114
1115/**
1116 * Autofs initscript in Xandros Linux distribution.
1117 */
1118#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1119
1120/**
1121 * Autofs initscript in most Linux distributions.
1122 */
1123#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1124
1125/**
1126 * If autofs is mounted, stop it (restart at end).
1127 */
1128void stop_autofs_if_necessary()
1129{
[2518]1130 char *tmp = NULL;
[128]1131
1132 g_autofs_exe[0] = '\0';
1133 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1134 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1135 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1136 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1137 }
1138
1139 if (!g_autofs_exe[0]) {
1140 log_msg(3, "No autofs detected.");
1141 } else {
1142 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[2518]1143 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[3185]1144 mr_asprintf(tmp, "%s stop", g_autofs_exe);
[128]1145 if (run_program_and_log_output(tmp, 2)) {
1146 log_it("Failed to stop autofs - I assume it wasn't running");
1147 } else {
1148 g_autofs_stopped = TRUE;
1149 log_it("Stopped autofs OK");
1150 }
[2518]1151 mr_free(tmp);
[128]1152 }
[1]1153}
1154
1155/**
1156 * If autofs was stopped earlier, restart it.
1157 */
1158void restart_autofs_if_necessary()
1159{
[2518]1160 char *tmp = NULL;
[128]1161
1162 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1163 log_msg(3, "No autofs detected.");
1164 return;
1165 }
[3185]1166 mr_asprintf(tmp, "%s start", g_autofs_exe);
[128]1167 if (run_program_and_log_output(tmp, 2)) {
1168 log_it("Failed to start autofs");
1169 } else {
1170 g_autofs_stopped = FALSE;
1171 log_it("Started autofs OK");
1172 }
[2518]1173 mr_free(tmp);
[1]1174}
1175
1176
1177/**
1178 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1179 */
[3191]1180void mount_boot_if_necessary() {
[2518]1181 char *tmp = NULL;
1182 char *command = NULL;
[1]1183
[128]1184 log_msg(1, "Started sub");
1185 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1186 g_boot_mountpt[0] = '\0';
[3654]1187 log_msg(4, "Done. Great. Setting command to something");
[3191]1188 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[128]1189 log_msg(4, "Cool. Command = '%s'", command);
[3610]1190 tmp = call_program_and_get_last_line_of_output(command);
[2518]1191 mr_free(command);
1192
[128]1193 log_msg(4, "tmp = '%s'", tmp);
[3191]1194 log_it("/boot is at %s according to /etc/fstab", tmp);
1195 mr_asprintf(command, "mount | grep -Ew '/boot'");
1196 mr_free(tmp);
[2518]1197
[3610]1198 tmp = call_program_and_get_last_line_of_output(command);
[3191]1199 mr_free(command);
1200
1201 if (!strcmp(tmp,"")) {
1202 if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=") != NULL)) {
1203 if (!run_program_and_log_output("mount /boot", 5)) {
1204 strcpy(g_boot_mountpt, "/boot");
1205 log_msg(1, "Mounted /boot");
[128]1206 } else {
[3191]1207 log_it("...ignored cos it's a label or uuid :-)");
1208 }
1209 } else {
1210 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1211 log_msg(3, "command = %s", command);
1212 if (run_program_and_log_output(command, 5)) {
1213 strcpy(g_boot_mountpt, tmp);
1214 mr_free(tmp);
1215 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
[2518]1216
[3191]1217 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1218 if (run_program_and_log_output(tmp, 5)) {
1219 g_boot_mountpt[0] = '\0';
1220 log_msg(1, "Plan B");
1221 if (!run_program_and_log_output("mount /boot", 5)) {
1222 strcpy(g_boot_mountpt, "/boot");
1223 log_msg(1, "Plan B worked");
1224 } else {
1225 log_msg(1,
1226 "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]1227 }
1228 }
1229 }
[3191]1230 mr_free(command);
[128]1231 }
[1]1232 }
[3191]1233 mr_free(tmp);
[128]1234 log_msg(1, "Ended sub");
[1]1235}
1236
1237
1238/**
1239 * If we mounted /boot earlier, unmount it.
1240 */
1241void unmount_boot_if_necessary()
1242{
[2518]1243 char *tmp = NULL;
[1]1244
[128]1245 log_msg(3, "starting");
1246 if (g_boot_mountpt[0]) {
[3185]1247 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
[128]1248 if (run_program_and_log_output(tmp, 5)) {
1249 log_it("WARNING - unable to unmount /boot");
1250 }
[2518]1251 mr_free(tmp);
[128]1252 }
1253 log_msg(3, "leaving");
[1]1254}
1255
1256
1257
1258/**
1259 * Write a line to a configuration file. Writes a line of the form,
1260 * @c label @c value.
[3268]1261 * @param config_file The file to write to. Usually @c mondorestore.cfg.
[1]1262 * @param label What to call this bit of data you're writing.
1263 * @param value The bit of data you're writing.
1264 * @return 0 for success, 1 for failure.
1265 */
[128]1266int write_cfg_var(char *config_file, char *label, char *value)
[1]1267{
[128]1268 /*@ buffers ***************************************************** */
[2518]1269 char *command = NULL;
1270 char *tempfile = NULL;
[1]1271
1272
[128]1273 /*@ end vars *************************************************** */
1274 assert_string_is_neither_NULL_nor_zerolength(config_file);
1275 assert_string_is_neither_NULL_nor_zerolength(label);
1276 assert(value != NULL);
1277 if (!does_file_exist(config_file)) {
[3191]1278 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
[128]1279 return (1);
1280 }
[3185]1281 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]1282 if (does_file_exist(config_file)) {
[3191]1283 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
[128]1284 paranoid_system(command);
[2518]1285 mr_free(command);
[128]1286 }
[3185]1287 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]1288 paranoid_system(command);
[2518]1289 mr_free(command);
1290
[3185]1291 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
[128]1292 paranoid_system(command);
[2518]1293 mr_free(command);
[128]1294 unlink(tempfile);
[2518]1295 mr_free(tempfile);
[128]1296 return (0);
[1]1297}
1298
[541]1299
[1]1300/**
[541]1301 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1302 * information to the logfile.
1303 */
[3191]1304void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1305
[541]1306 va_list args;
1307 static int depth = 0;
1308 FILE *fout;
1309
1310 if (depth > 5) {
1311 depth--;
1312 return;
1313 }
1314 depth++;
1315
1316 if (debug_level <= g_loglevel) {
1317 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1318 return;
[3191]1319 }
[541]1320
1321 // add tabs to distinguish log levels
1322 if (debug_level > 0) {
[3191]1323 fprintf(fout, "DBG%d: ", debug_level);
[541]1324 if (getpid() == g_main_pid)
[2205]1325 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1326 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]1327 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1328 else
[2205]1329 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[3191]1330 } else {
1331 fprintf(fout, "INFO: ");
[541]1332 }
[2230]1333 va_start(args, fmt);
[541]1334 vfprintf(fout, fmt, args);
[2230]1335 va_end(args);
[541]1336
1337 fprintf(fout, "\n");
1338 paranoid_fclose(fout);
1339 }
1340 depth--;
1341}
1342
1343/**
1344 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1345 */
[3194]1346void (*log_debug_msg) (int, const char *, const char *, int, const char *, ...) = standard_log_debug_msg;
[541]1347
1348
1349/**
[1]1350 * Allocate or free important globals, depending on @p mal.
1351 * @param mal If TRUE, malloc; if FALSE, free.
1352 */
1353void do_libmondo_global_strings_thing(int mal)
1354{
[128]1355 if (mal) {
1356 malloc_string(g_boot_mountpt);
1357 malloc_string(g_mondo_home);
1358 malloc_string(g_magicdev_command);
1359 } else {
1360 paranoid_free(g_boot_mountpt);
1361 paranoid_free(g_mondo_home);
1362 paranoid_free(g_magicdev_command);
1363 }
[1]1364}
1365
1366/**
1367 * Allocate important globals.
1368 * @see do_libmondo_global_strings_thing
1369 */
1370void malloc_libmondo_global_strings(void)
1371{
[128]1372 do_libmondo_global_strings_thing(1);
[1]1373}
1374
1375/**
1376 * Free important globals.
1377 * @see do_libmondo_global_strings_thing
1378 */
1379void free_libmondo_global_strings(void)
1380{
[128]1381 do_libmondo_global_strings_thing(0);
[1]1382}
1383
1384
1385
1386/**
1387 * Stop @c magicdev if it's running.
1388 * The command used to start it is saved in @p g_magicdev_command.
1389 */
1390void stop_magicdev_if_necessary()
1391{
[3610]1392 char *tmp = NULL;
1393
1394 tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99");
1395 strcpy(g_magicdev_command, tmp);
[128]1396 if (g_magicdev_command[0]) {
1397 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1398 paranoid_system("killall magicdev");
1399 }
[3610]1400 mr_free(tmp);
[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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