source: MondoRescue/branches/3.3/mondo/src/common/libmondo-tools.c@ 3874

Last change on this file since 3874 was 3874, checked in by Bruno Cornec, 17 months ago

remove differentiated support for cdrw
  • Property svn:keywords set to Id
File size: 40.4 KB
RevLine 
[2030]1/*
[99]2 $Id: libmondo-tools.c 3874 2024-03-07 18:23:09Z 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"
[3871]15
[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 3874 2024-03-07 18:23:09Z 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);
[3871]238
239 if (g_kernel_version < 2.6) {
240 fatal_error("Please use MondoRescue < 3.3.0 to support that old kernel or upgrade your distribution :-)");
241 }
242 return(d);
[1]243}
244
245
246/**
247 * Get the current time.
248 * @return number of seconds since the epoch.
249 */
[128]250long get_time()
[1]251{
[128]252 return (long) time((void *) 0);
[1]253}
254
255
256/**
257 * Initialize a RAID volume structure, setting fields to zero. The
258 * actual hard drive is unaffected.
259 *
260 * @param raidrec The RAID volume structure to initialize.
261 * @note This function is system dependent.
262 */
263#ifdef __FreeBSD__
[128]264void initialize_raidrec(struct vinum_volume *raidrec)
[1]265{
[128]266 int i, j;
267 raidrec->volname[0] = '\0';
268 raidrec->plexes = 0;
269 for (i = 0; i < 9; ++i) {
270 raidrec->plex[i].raidlevel = -1;
271 raidrec->plex[i].stripesize = 0;
272 raidrec->plex[i].subdisks = 0;
273 for (j = 0; j < 9; ++j) {
274 strcpy(raidrec->plex[i].sd[j].which_device, "");
275 }
276 }
[1]277}
278#else
[128]279void initialize_raidrec(struct raid_device_record *raidrec)
[1]280{
[128]281 assert(raidrec != NULL);
282 raidrec->raid_device[0] = '\0';
[558]283 raidrec->raid_level = -9;
[128]284 raidrec->persistent_superblock = 1;
[558]285 raidrec->chunk_size = 64;
286 raidrec->parity = -1;
[128]287 raidrec->data_disks.entries = 0;
288 raidrec->spare_disks.entries = 0;
289 raidrec->parity_disks.entries = 0;
290 raidrec->failed_disks.entries = 0;
291 raidrec->additional_vars.entries = 0;
[1]292}
293#endif
294
295
296
297
298/**
299 * Insert modules that Mondo requires.
[1236]300 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]301 * @c msdosfs and @c ext2fs for FreeBSD.
302 */
303void insmod_crucial_modules(void)
304{
305#ifdef __FreeBSD__
[3060]306 paranoid_system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
307 paranoid_system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]308#else
[3060]309 paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
[1]310#endif
311}
312
[3794]313/* compute the final options for bootable media, considering the command and the boot type */
[3665]314char *mr_compute_uefi_string(char *isofs_cmd) {
315
316 char *uefistr = NULL;
317 char *mondo_mkisofs_sz = NULL;
318
319 /* real media */
320 if (strstr(isofs_cmd,"growisofs")) {
321 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
322 } else {
323 /* iso image */
324 if (bkpinfo->boot_type == UEFI) {
325 if (strstr(isofs_cmd,"xorriso")) {
326 /* xorriso needs another '-' before efi-boot */
327 mr_asprintf(uefistr, "%s -%s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
328 } else {
329 mr_asprintf(uefistr, "%s %s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
330 }
331 } else {
332 mr_asprintf(uefistr, "%s",MONDO_MKISOFS_CMS);
333 }
334 mr_asprintf(mondo_mkisofs_sz, "%s%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX, uefistr);
335 }
336
337 return(mondo_mkisofs_sz);
338}
339
[1]340/**
341 * Finish configuring the backup information structure. Call this function
342 * to set the parameters that depend on those that can be given on the command
343 * line.
344 *
345 * @param bkpinfo The backup information structure. Fields modified/used:
346 * - Used: @c bkpinfo->backup_data
347 * - Used: @c bkpinfo->backup_media_type
348 * - Used: @c bkpinfo->cdrw_speed
349 * - Used: @c bkpinfo->compression_level
350 * - Used: @c bkpinfo->include_paths
[20]351 * - Used: @c bkpinfo->prefix
[1]352 * - Used: @c bkpinfo->isodir
353 * - Used: @c bkpinfo->manual_cd_tray
354 * - Used: @c bkpinfo->make_cd_use_lilo
355 * - Used: @c bkpinfo->media_device
[2380]356 * - Used: @c bkpinfo->netfs_mount
[1]357 * - Used: @c bkpinfo->nonbootable_backup
358 * - Used: @c bkpinfo->scratchdir
359 * - Used: @c bkpinfo->tmpdir
360 * - Used: @c bkpinfo->use_lzo
361 * - Modified: @c bkpinfo->call_before_iso
362 * - Modified: @c bkpinfo->call_make_iso
363 * - Modified: @c bkpinfo->optimal_set_size
364 * - Modified: @c bkpinfo->zip_exe
365 * - Modified: @c bkpinfo->zip_suffix
366 *
367 * @return number of errors, or 0 for success.
368 * @note Also creates directories that are specified in the @c bkpinfo structure but
369 * do not exist.
370 */
[1645]371int post_param_configuration()
[1]372{
[2211]373 char *extra_cdrom_params = NULL;
374 char *mondo_mkisofs_sz = NULL;
[2518]375 char *command = NULL;
[2848]376 char *isofs_cmd = NULL;
[128]377 int retval = 0;
[3191]378 char *cdr_exe = NULL;
[2518]379 char *tmp = NULL;
[3191]380 char *call_before_iso_user = NULL;
[2518]381 char *iso_dev = NULL;
382 char *iso_mnt = NULL;
383 char *iso_tmp = NULL;
[3278]384 char *iso_dir = NULL;
[1]385
[128]386 assert(bkpinfo != NULL);
[3191]387
[3318]388 bkpinfo->optimal_set_size = (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * 1024L;
[1]389
[2658]390 log_msg(1, "Post-param");
[128]391 if (bkpinfo->backup_media_type == tape) {
[2926]392 if (whine_if_not_found("mt") == 1) {
393 fatal_error("Please install the mt command");
394 }
[2658]395 log_msg(1, "Tape");
[3191]396 if (bkpinfo->media_device == NULL) {
397 return(1);
398 }
[3185]399 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
[128]400 log_msg(1, "tmp = '%s'", tmp);
401 if (run_program_and_log_output(tmp, 3)) {
[2518]402 mr_free(tmp);
[3205]403 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]404 }
[2518]405 mr_free(tmp);
[1]406 }
[128]407 if (bkpinfo->backup_media_type == iso)
408 make_hole_for_dir(bkpinfo->isodir);
[1]409
[128]410 run_program_and_log_output("uname -a", 5);
[678]411 run_program_and_log_output("cat /etc/*-release", 5);
[128]412 run_program_and_log_output("cat /etc/*issue*", 5);
[1]413#ifdef __FreeBSD__
414#else
[128]415 run_program_and_log_output("cat /proc/cpuinfo", 5);
[3292]416 /*
417 run_program_and_log_output("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", 5);
418 */
[1]419#endif
[128]420
421 if (bkpinfo->use_lzo) {
[3830]422 mr_asprintf(bkpinfo->zip_exe, "%s", "lzop");
423 mr_asprintf(bkpinfo->zip_suffix, "%s", "lzo");
[998]424 } else if (bkpinfo->use_gzip) {
[3830]425 mr_asprintf(bkpinfo->zip_exe, "%s", "gzip");
426 mr_asprintf(bkpinfo->zip_suffix, "%s", "gz");
[3191]427 } else if (bkpinfo->use_lzma) {
[3830]428 mr_asprintf(bkpinfo->zip_exe, "%s", "xz");
429 mr_asprintf(bkpinfo->zip_suffix, "%s", "xz");
[128]430 } else if (bkpinfo->compression_level != 0) {
[3830]431 mr_asprintf(bkpinfo->zip_exe, "%s", "bzip2");
432 mr_asprintf(bkpinfo->zip_suffix, "%s", "bz2");
[128]433 } else {
[3830]434 mr_free(bkpinfo->zip_exe);
435 mr_free(bkpinfo->zip_suffix);
[1]436 }
437
438// DVD
439
[128]440 if (bkpinfo->backup_media_type == dvd) {
[3867]441 if ((cdr_exe = find_home_of_exe("growisofs")) == NULL) {
[128]442 fatal_error("Please install growisofs.");
443 }
444 if (bkpinfo->nonbootable_backup) {
[3185]445 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[128]446 } else if
[1]447#ifdef __FreeBSD__
[128]448 (TRUE)
[1]449#else
[128]450 (bkpinfo->make_cd_use_lilo)
[1]451#endif
452#ifdef __IA64__
[128]453 {
[3185]454 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[128]455 }
[1]456#else
457 {
[3185]458 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]459 }
[128]460#endif
[3191]461 else {
[3665]462 mondo_mkisofs_sz = mr_compute_uefi_string(cdr_exe);
[128]463 }
[3867]464 mr_free(cdr_exe);
465
[128]466 if (bkpinfo->manual_cd_tray) {
467 fatal_error("Manual CD tray + DVD not supported yet.");
468 // -m isn't supported by growisofs, BTW...
469 } else {
[3827]470 mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
[128]471 }
[3191]472 mr_free(mondo_mkisofs_sz);
[153]473 if (getenv ("SUDO_COMMAND")) {
[3185]474 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
[3610]475 tmp = call_program_and_get_last_line_of_output(command);
476 mr_free(command);
477 if (!strcmp(tmp, "1")) {
478 mr_free(tmp);
[679]479 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
480 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
481 }
[3610]482 mr_free(tmp);
[153]483 }
[3191]484 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
[128]485 } // end of DVD code
[1]486
487// CD-R or CD-RW
[3874]488 if (bkpinfo->backup_media_type == cdr) {
[128]489 if (!bkpinfo->manual_cd_tray) {
[3185]490 mr_asprintf(extra_cdrom_params, "-waiti ");
[128]491 }
[3874]492 mr_asprintf(extra_cdrom_params, "%s", "blank=fast ");
[3867]493 if ((cdr_exe = find_home_of_exe("cdrecord")) == NULL) {
494 if ((cdr_exe = find_home_of_exe("wodim")) == NULL) {
495 if ((cdr_exe = find_home_of_exe("dvdrecord")) == NULL) {
496 fatal_error("Please install either cdrecord, wodim or dvdrecord.");
497 }
498 }
[128]499 }
[3867]500 if ((tmp = find_home_of_exe("xorriso")) != NULL) {
501 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_XORRISO_OPT);
502 } else if ((tmp = find_home_of_exe("genisoimage")) != NULL) {
503 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_GENISOIMAGE_OPT);
504 } else if ((tmp = find_home_of_exe("mkisofs")) != NULL) {
505 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_MKISOFS_OPT);
506 } else if ((tmp = find_home_of_exe("wodim")) != NULL) {
507 mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_WODIM_OPT);
[2848]508 } else {
[3867]509 fatal_error("Unable to find a command to create ISO among xorriso, genisoimage, mksiofs or wodim, please install one");
[2848]510 }
[3867]511 mr_free(tmp);
512
[128]513 if (bkpinfo->nonbootable_backup) {
[3185]514 mr_asprintf(mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
[128]515 } else if
[1]516#ifdef __FreeBSD__
[128]517 (TRUE)
[1]518#else
[128]519 (bkpinfo->make_cd_use_lilo)
[1]520#endif
521#ifdef __IA64__
522 {
[3539]523 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
[1]524 }
[128]525#else
[1]526 {
[3539]527 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
[1]528 }
[128]529#endif
[3514]530 else {
[3665]531 mondo_mkisofs_sz = mr_compute_uefi_string(isofs_cmd);
[128]532 }
[2848]533 mr_free(isofs_cmd);
534
[128]535 if (bkpinfo->manual_cd_tray) {
[3823]536 if (bkpinfo->call_before_iso == NULL) {
537 mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
[3205]538 } else {
[3191]539 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
[3823]540 mr_free(bkpinfo->call_before_iso);
541 mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
[3191]542 mr_free(call_before_iso_user);
[163]543 }
544 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[3827]545 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]546 } else {
[3827]547 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]548 }
[3191]549 mr_free(cdr_exe);
550 mr_free(mondo_mkisofs_sz);
551 mr_free(extra_cdrom_params);
[128]552 } // end of CD code
[1]553
[128]554 if (bkpinfo->backup_media_type == iso) {
555
[3278]556/* Break up isodir into iso_mnt and iso_dir
[1]557 * These will be used along with iso-dev at restore time
558 * to locate the ISOs where ever they're mounted
559 */
560
[128]561 log_it("isodir = %s", bkpinfo->isodir);
[3191]562 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
[128]563 log_it("command = %s", command);
[3610]564 iso_dev = call_program_and_get_last_line_of_output(command);
[3191]565 log_it("res of it = %s", iso_dev);
[3185]566 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
[3191]567 write_one_liner_data_file(tmp, iso_dev);
[2518]568 mr_free(tmp);
569 mr_free(command);
[1]570
[3185]571 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
[2518]572 mr_free(iso_dev);
573
[128]574 log_it("command = %s", command);
[3610]575 iso_mnt = call_program_and_get_last_line_of_output(command);
[3191]576 log_it("res of it = %s", iso_mnt);
[3185]577 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
[3191]578 write_one_liner_data_file(tmp, iso_mnt);
[2518]579 mr_free(tmp);
580 mr_free(command);
581
[3278]582 log_it("iso_mnt: %s, %d", iso_mnt, strlen(iso_mnt));
[3185]583 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
[128]584 if (strlen(iso_tmp) < strlen(iso_mnt)) {
[3278]585 mr_asprintf(iso_dir, "%s", "");
[128]586 } else {
[3278]587 // If iso_mnt is only / then iso_dir is the full dir
[2522]588 // (the formula bellow doesn't work in this case)
589 if (strcmp(iso_mnt, "/") == 0) {
[3278]590 mr_asprintf(iso_dir, "%s", iso_tmp);
[2522]591 // else it's a part of iso_tmp
592 } else {
[3278]593 mr_asprintf(iso_dir, "%s", iso_tmp + strlen(iso_mnt));
[2522]594 }
[128]595 }
[3191]596 mr_free(iso_mnt);
[2518]597 mr_free(iso_tmp);
598
[3278]599 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
600 write_one_liner_data_file(tmp, iso_dir);
[2518]601 mr_free(tmp);
602
[3278]603 log_it("iso-dir: %s", iso_dir);
604 mr_free(iso_dir);
[2518]605
[3185]606 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[148]607 write_one_liner_data_file(tmp, bkpinfo->prefix);
[2518]608 mr_free(tmp);
609
[148]610 log_it("iso-prefix: %s", bkpinfo->prefix);
[1]611
612/* End patch */
[128]613 } // end of iso code
[1]614
[2380]615 if (bkpinfo->backup_media_type == netfs) {
[3268]616 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
617 write_one_liner_data_file(tmp, bkpinfo->prefix);
618 mr_free(tmp);
619
[3278]620 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
621 write_one_liner_data_file(tmp, bkpinfo->isodir);
622 mr_free(tmp);
623
624 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
625 write_one_liner_data_file(tmp, bkpinfo->netfs_remote_dir);
626 mr_free(tmp);
627
[3191]628 if (bkpinfo->netfs_mount) {
[3268]629 mr_asprintf(tmp, "%s/NETFS-SERVER-MOUNT", bkpinfo->tmpdir);
630 write_one_liner_data_file(tmp, bkpinfo->netfs_mount);
631 mr_free(tmp);
[3191]632 } else {
633 log_it("netfs_mount is NULL");
634 retval++;
635 }
[128]636 }
[1]637
[128]638 log_it("Finished processing incoming params");
639 if (retval) {
640 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
641 }
[3191]642 if (bkpinfo->include_paths == NULL) {
643 mr_asprintf(bkpinfo->include_paths, "/");
[128]644 }
645 g_backup_media_type = bkpinfo->backup_media_type;
646 return (retval);
[1]647}
648
649
650
651/**
652 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
653 * Seeds the random-number generator, loads important modules, checks the sanity
654 * of the user's Linux distribution, and deletes logfile.
655 * @param bkpinfo The backup information structure. Will be initialized.
656 * @return number of errors (0 for success)
657 */
[1645]658int pre_param_configuration()
[1]659{
[128]660 int res = 0;
[1652]661 char *tmp = NULL;
[1]662
[128]663 make_hole_for_dir(MNT_CDROM);
664 assert(bkpinfo != NULL);
665 srandom((unsigned long) (time(NULL)));
666 insmod_crucial_modules();
667 if (bkpinfo->disaster_recovery) {
668 if (!does_nonMS_partition_exist()) {
[3191]669 fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
[128]670 }
671 }
[1]672
[3185]673 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
[1652]674 run_program_and_log_output(tmp, FALSE);
675 paranoid_free(tmp);
[128]676 if (find_and_store_mondoarchives_home(g_mondo_home)) {
[3191]677 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]678 res++;
679 return (res);
680 }
681 res += some_basic_system_sanity_checks();
682 if (res) {
683 log_it("Your distribution did not pass Mondo's sanity test.");
684 }
685 g_current_media_number = 1;
686 return (res);
[1]687}
688
[3043]689/* From busybox under GPLv2 */
690#ifndef HAVE_MKDTEMP
691/* This is now actually part of POSIX.1, but was only added in 2008 */
692char* mkdtemp(char *template)
693{
[3514]694 if (mkstemp(template) == -1) {
[3043]695 return NULL;
[3507]696 }
697 unlink(template);
698 if (mkdir(template, 0700) != 0) {
699 return NULL;
700 }
[3043]701 return template;
702}
703#endif
704
[1655]705void setup_tmpdir(char *path) {
[1967]706
[1653]707 char *tmp = NULL;
[1]708
[3833]709 if (bkpinfo->tmpdir != NULL) {
[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) {
[3503]727 mr_system("mkdir -p %s",path);
728 log_it("Created temporary directory %s", path);
[3185]729 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
[3154]730 } else if (getenv("TMPDIR")) {
[3500]731 mr_system("mkdir -p %s",getenv("TMPDIR"));
[3503]732 log_it("Created temporary directory %s", getenv("TMPDIR"));
[3185]733 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[3154]734 } else if (getenv("MRTMP")) {
[3500]735 mr_system("mkdir -p %s",getenv("MRTMP"));
[3503]736 log_it("Created temporary directory %s", getenv("MRTMP"));
[3185]737 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("MRTMP"));
[1653]738 } else {
[3185]739 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]740 }
[3834]741 mr_free(bkpinfo->tmpdir);
[3833]742 bkpinfo->tmpdir = mkdtemp(tmp);
743 if (bkpinfo->tmpdir == NULL) {
[3195]744 printf("Failed to create global tmp directory %s for Mondo.",tmp);
[3191]745 mr_free(tmp);
[1653]746 finish(-1);
747 }
[3191]748 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
[3507]749 mr_system("mkdir -p %s/tmpfs", bkpinfo->tmpdir);
[1653]750}
[1]751
[3154]752void setup_scratchdir(char *path) {
[1]753
[3154]754 char *tmp = 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) {
[3500]774 mr_system("mkdir -p %s",path);
[3503]775 log_it("Created scratch directory %s", path);
[3185]776 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", path);
[3154]777 } else if (getenv("MRSCRATCH")) {
[3500]778 mr_system("mkdir -p %s",getenv("MRSCRATCH"));
[3503]779 log_it("Created scratch directory %s", getenv("MRSCRATCH"));
[3185]780 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", getenv("MRSCRATCH"));
[3154]781 } else {
[3185]782 mr_asprintf(tmp, "/tmp/mondo.scratch.XXXXXX");
[3154]783 }
[3834]784 mr_free(bkpinfo->scratchdir);
785 bkpinfo->scratchdir = mkdtemp(tmp);
786 if (bkpinfo->scratchdir == NULL) {
[3154]787 log_it("Failed to create global scratch directory %s for Mondo.",tmp);
[3834]788 mr_free(tmp);
[3154]789 finish(-1);
790 }
[3191]791 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
[3834]792 mr_system("mkdir -p %s", bkpinfo->scratchdir);
[3154]793}
794
795
[1]796/**
797 * Reset all fields of the backup information structure to a sensible default.
798 * @param bkpinfo The @c bkpinfo to reset.
799 */
[1645]800void reset_bkpinfo()
[1]801{
[128]802 assert(bkpinfo != NULL);
803 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[1653]804
[3822]805 bkpinfo->media_device = NULL;
[3150]806 bkpinfo->media_size = -1;
[128]807 bkpinfo->boot_loader = '\0';
[3373]808 bkpinfo->boot_device = NULL;
[3830]809 bkpinfo->zip_exe = NULL;
810 bkpinfo->zip_suffix = NULL;
[3821]811 bkpinfo->image_devs = NULL;
[1966]812 bkpinfo->compression_level = 3;
[128]813 bkpinfo->use_lzo = FALSE;
[998]814 bkpinfo->use_gzip = FALSE;
[3191]815 bkpinfo->use_lzma = FALSE;
[128]816 bkpinfo->verify_data = FALSE;
817 bkpinfo->backup_data = FALSE;
818 bkpinfo->restore_data = FALSE;
[1966]819 bkpinfo->use_star = FALSE;
820 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[3191]821
[3194]822 /* We need tmpdir as early as possible for further function calls */
[3834]823 bkpinfo->tmpdir = NULL; // Really setup just after
824 bkpinfo->scratchdir = NULL; // Really setup just after
[3191]825 setup_tmpdir(NULL);
826 setup_scratchdir(NULL);
827
828 bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
[128]829 if (bkpinfo->disaster_recovery) {
[3836]830 mr_asprintf(bkpinfo->isodir, "%s", "/");
[128]831 } else {
[3836]832 mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
[128]833 }
[3836]834 mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
[3318]835 bkpinfo->optimal_set_size = 0L;
[3191]836 bkpinfo->backup_media_type = none;
[1966]837 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[3191]838 bkpinfo->exclude_paths = NULL;
839 bkpinfo->include_paths = NULL;
[2424]840 bkpinfo->exclude_devs = NULL;
[3828]841 bkpinfo->restore_path = NULL;
[3823]842 bkpinfo->call_before_iso = NULL;
[3827]843 bkpinfo->call_make_iso = NULL;
844 bkpinfo->call_burn_iso = NULL;
845 bkpinfo->call_after_iso = NULL;
[3829]846 bkpinfo->kernel_path = NULL;
[3194]847 bkpinfo->netfs_mount = NULL;
[2380]848 bkpinfo->netfs_proto = NULL;
849 bkpinfo->netfs_user = NULL;
[3194]850 bkpinfo->netfs_remote_dir = NULL;
[3826]851 bkpinfo->postnuke_tarball = NULL;
[2769]852 bkpinfo->subdir = NULL;
[128]853 bkpinfo->wipe_media_first = FALSE;
[1966]854 bkpinfo->differential = 0;
855 bkpinfo->please_dont_eject = FALSE;
[128]856 bkpinfo->cdrw_speed = 0;
[1966]857 bkpinfo->manual_cd_tray = FALSE;
858 bkpinfo->nonbootable_backup = FALSE;
859 bkpinfo->make_cd_use_lilo = FALSE;
860 bkpinfo->use_obdr = FALSE;
[1967]861 bkpinfo->restore_mode = interactive;
[3375]862 bkpinfo->boot_type = BIOS;
[1]863}
864
865
866/**
867 * Get the remaining free space (in MB) on @p partition.
868 * @param partition The partition to check free space on (either a device or a mountpoint).
869 * @return The free space on @p partition, in MB.
870 */
[128]871long free_space_on_given_partition(char *partition)
[1]872{
[2518]873 char *out_sz = NULL;
874 char *command = NULL;
[128]875 long res;
[1]876
[128]877 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]878
[3185]879 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]880 if (system(command)) {
[2518]881 mr_free(command);
[128]882 return (-1);
883 } // partition does not exist
[2518]884 mr_free(command);
885
[3191]886 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
[3610]887 out_sz = call_program_and_get_last_line_of_output(command);
[2518]888 mr_free(command);
889
[128]890 if (strlen(out_sz) == 0) {
[2518]891 mr_free(out_sz);
[128]892 return (-1);
893 } // error within df, probably
894 res = atol(out_sz);
[2518]895 mr_free(out_sz);
[128]896 return (res);
[1]897}
898
899
900
901/**
902 * Check the user's system for sanity. Checks performed:
903 * - make sure user has enough RAM (32mb required, 64mb recommended)
904 * - make sure user has enough free space in @c /
905 * - check kernel for ramdisk support
906 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
907 * - make sure CD-ROM is unmounted
908 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
909 *
910 * @return number of problems with the user's setup (0 for success)
911 */
[128]912int some_basic_system_sanity_checks()
[1]913{
914
[128]915 /*@ buffers ************ */
[2518]916 char *tmp = NULL;
[1]917
[128]918 /*@ int's *************** */
919 int retval = 0;
[1]920
[3195]921 mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
[1]922#ifndef __FreeBSD__
[1737]923 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
924 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
[3191]925 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
926 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
[128]927 }
[3610]928 tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2");
[128]929 if (atol(tmp) < 35000) {
930 retval++;
[541]931 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]932 }
933 if (atol(tmp) < 66000) {
[3191]934 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]935 }
[2518]936 mr_free(tmp);
[1]937#endif
938
[128]939 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
940 retval++;
[3613]941 log_to_screen("Unable to find " MKE2FS_OR_NEWFS " in system path.");
942 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]943 }
[1]944#ifndef __FreeBSD__
[3613]945 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
[2194]946 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
[2195]947 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
[3195]948 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
[3225]949 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]950 // retval++;
[3195]951 log_to_screen("It looks as if your kernel lacks ramdisk and initrd support.");
952 log_to_screen("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
[2194]953 }
[128]954 }
955 }
[1]956#endif
[128]957 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
[3502]958 if (system("which xorriso > /dev/null 2> /dev/null")) {
959 if (system("which genisoimage > /dev/null 2> /dev/null")) {
960 retval += whine_if_not_found("mkisofs");
961 }
[2751]962 }
963 if (system("which wodim > /dev/null 2> /dev/null")) {
[128]964 retval += whine_if_not_found("cdrecord");
965 }
966 retval += whine_if_not_found("bzip2");
[998]967 retval += whine_if_not_found("gzip");
[3867]968 retval += whine_if_not_found("cmp");
[128]969 retval += whine_if_not_found("awk");
970 retval += whine_if_not_found("md5sum");
971 retval += whine_if_not_found("strings");
972 retval += whine_if_not_found("mindi");
973 retval += whine_if_not_found("buffer");
[1]974
[128]975 // abort if Windows partition but no ms-sys and parted
[1855]976 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[3394]977 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -Ew efi", 0)) {
978 log_to_screen("I think you have a EFI/UEFI partition.");
979 } else {
980 log_to_screen("I think you have a Windows 9x partition.");
981 }
[128]982 retval += whine_if_not_found("parted");
[1]983 }
984
[3191]985 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[3618]986 tmp = call_program_and_get_last_line_of_output("mount | grep -E 'cdr(om|w)'");
[128]987 if (strcmp("", tmp)) {
988 if (strstr(tmp, "autofs")) {
[3195]989 log_to_screen("Your CD-ROM is mounted via autofs. I therefore cannot tell");
990 log_to_screen("if a CD actually is inserted. If a CD is inserted, please");
[541]991 log_to_screen("eject it. Thank you.");
[3195]992 log_it("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
[128]993 } else
994 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
995 retval++;
[2518]996 mr_free(tmp);
997 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
[128]998 }
999 }
[2518]1000 mr_free(tmp);
[1]1001
[128]1002 run_program_and_log_output("cat /etc/fstab", 5);
[1]1003#ifdef __FreeBSD__
[128]1004 run_program_and_log_output("vinum printconfig", 5);
[1]1005#else
[128]1006 run_program_and_log_output("cat /etc/raidtab", 5);
[1]1007#endif
1008
[128]1009 if (run_program_and_log_output("mindi -V", 1)) {
[541]1010 log_to_screen("Could not ascertain mindi's version number.");
[3195]1011 log_to_screen("You have not installed Mondo and/or Mindi properly.");
[541]1012 log_to_screen("Please uninstall and reinstall them both.");
[128]1013 fatal_error("Please reinstall Mondo and Mindi.");
1014 }
[3185]1015 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
[1644]1016 if (run_program_and_log_output(tmp, 5)) {
[3195]1017 log_to_screen("%s failed for some reason.", tmp);
[2518]1018 mr_free(tmp);
[3292]1019 log_to_screen("Please run that command by hand and examine "MINDI_LOGFILE);
[3195]1020 log_to_screen("for more information. Perhaps your /etc/fstab file is insane.");
1021 log_to_screen("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]1022 retval++;
1023 }
[2518]1024 mr_free(tmp);
[1]1025
[3377]1026 if (!run_program_and_log_output("mr-parted2fdisk -l 2>/dev/null | grep -i raid", 1) && !does_file_exist("/etc/raidtab")) {
[3195]1027 log_to_screen("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[2982]1028 create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
[128]1029 }
1030
1031 if (retval) {
[541]1032 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1033 } else {
[541]1034 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1035 }
1036 return (retval);
[1]1037}
1038
1039/**
1040 * Retrieve the line containing @p label from the config file.
[3268]1041 * @param config_file The file to read from, usually @c /tmp/mondorestore.cfg.
[1]1042 * @param label What to read from the file.
1043 * @param value Where to put it.
1044 * @return 0 for success, 1 for failure.
1045 */
[128]1046int read_cfg_var(char *config_file, char *label, char *value)
[1]1047{
[128]1048 /*@ buffer ****************************************************** */
[2518]1049 char *command = NULL;
[3610]1050 char *tmp = NULL;
[1]1051
[128]1052 /*@ end vars *************************************************** */
[1]1053
[128]1054 assert_string_is_neither_NULL_nor_zerolength(config_file);
1055 assert_string_is_neither_NULL_nor_zerolength(label);
1056 if (!does_file_exist(config_file)) {
[3191]1057 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
[128]1058 value[0] = '\0';
1059 return (1);
[1279]1060 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1061 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]1062 return (0);
1063 } else {
[3205]1064 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
[3610]1065 tmp = call_program_and_get_last_line_of_output(command);
1066 strcpy(value, tmp);
[2518]1067 mr_free(command);
1068
[3191]1069 log_msg(4, "Configuration item %s is %s", label, value);
[128]1070 if (strlen(value) == 0) {
1071 return (1);
1072 } else {
1073 return (0);
1074 }
[1]1075 }
1076}
1077
1078
1079
1080/**
1081 * Remount @c supermount if it was unmounted earlier.
1082 */
1083void remount_supermounts_if_necessary()
1084{
[128]1085 if (g_remount_cdrom_at_end) {
1086 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1087 }
[1]1088}
1089
1090/**
1091 * Unmount @c supermount if it's mounted.
1092 */
1093void unmount_supermounts_if_necessary()
1094{
[128]1095 if (run_program_and_log_output
1096 ("mount | grep cdrom | grep super", FALSE) == 0) {
1097 g_remount_cdrom_at_end = TRUE;
1098 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1099 }
[1]1100}
1101
1102/**
1103 * Whether we had to stop autofs (if so, restart it at end).
1104 */
[128]1105bool g_autofs_stopped = FALSE;
[1]1106
1107/**
1108 * Path to the autofs initscript ("" if none exists).
1109 */
1110char g_autofs_exe[MAX_STR_LEN];
1111
1112/**
1113 * Autofs initscript in Xandros Linux distribution.
1114 */
1115#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1116
1117/**
1118 * Autofs initscript in most Linux distributions.
1119 */
1120#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1121
1122/**
1123 * If autofs is mounted, stop it (restart at end).
1124 */
1125void stop_autofs_if_necessary()
1126{
[2518]1127 char *tmp = NULL;
[128]1128
1129 g_autofs_exe[0] = '\0';
1130 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1131 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1132 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1133 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1134 }
1135
1136 if (!g_autofs_exe[0]) {
1137 log_msg(3, "No autofs detected.");
1138 } else {
1139 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[2518]1140 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[3185]1141 mr_asprintf(tmp, "%s stop", g_autofs_exe);
[128]1142 if (run_program_and_log_output(tmp, 2)) {
1143 log_it("Failed to stop autofs - I assume it wasn't running");
1144 } else {
1145 g_autofs_stopped = TRUE;
1146 log_it("Stopped autofs OK");
1147 }
[2518]1148 mr_free(tmp);
[128]1149 }
[1]1150}
1151
1152/**
1153 * If autofs was stopped earlier, restart it.
1154 */
1155void restart_autofs_if_necessary()
1156{
[2518]1157 char *tmp = NULL;
[128]1158
1159 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1160 log_msg(3, "No autofs detected.");
1161 return;
1162 }
[3185]1163 mr_asprintf(tmp, "%s start", g_autofs_exe);
[128]1164 if (run_program_and_log_output(tmp, 2)) {
1165 log_it("Failed to start autofs");
1166 } else {
1167 g_autofs_stopped = FALSE;
1168 log_it("Started autofs OK");
1169 }
[2518]1170 mr_free(tmp);
[1]1171}
1172
1173
1174/**
1175 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1176 */
[3191]1177void mount_boot_if_necessary() {
[2518]1178 char *tmp = NULL;
1179 char *command = NULL;
[1]1180
[128]1181 log_msg(1, "Started sub");
1182 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1183 g_boot_mountpt[0] = '\0';
[3654]1184 log_msg(4, "Done. Great. Setting command to something");
[3191]1185 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[128]1186 log_msg(4, "Cool. Command = '%s'", command);
[3610]1187 tmp = call_program_and_get_last_line_of_output(command);
[2518]1188 mr_free(command);
1189
[128]1190 log_msg(4, "tmp = '%s'", tmp);
[3191]1191 log_it("/boot is at %s according to /etc/fstab", tmp);
1192 mr_asprintf(command, "mount | grep -Ew '/boot'");
1193 mr_free(tmp);
[2518]1194
[3610]1195 tmp = call_program_and_get_last_line_of_output(command);
[3191]1196 mr_free(command);
1197
1198 if (!strcmp(tmp,"")) {
1199 if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=") != NULL)) {
1200 if (!run_program_and_log_output("mount /boot", 5)) {
1201 strcpy(g_boot_mountpt, "/boot");
1202 log_msg(1, "Mounted /boot");
[128]1203 } else {
[3191]1204 log_it("...ignored cos it's a label or uuid :-)");
1205 }
1206 } else {
1207 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1208 log_msg(3, "command = %s", command);
1209 if (run_program_and_log_output(command, 5)) {
1210 strcpy(g_boot_mountpt, tmp);
1211 mr_free(tmp);
1212 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
[2518]1213
[3191]1214 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1215 if (run_program_and_log_output(tmp, 5)) {
1216 g_boot_mountpt[0] = '\0';
1217 log_msg(1, "Plan B");
1218 if (!run_program_and_log_output("mount /boot", 5)) {
1219 strcpy(g_boot_mountpt, "/boot");
1220 log_msg(1, "Plan B worked");
1221 } else {
1222 log_msg(1,
1223 "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]1224 }
1225 }
1226 }
[3191]1227 mr_free(command);
[128]1228 }
[1]1229 }
[3191]1230 mr_free(tmp);
[128]1231 log_msg(1, "Ended sub");
[1]1232}
1233
1234
1235/**
1236 * If we mounted /boot earlier, unmount it.
1237 */
1238void unmount_boot_if_necessary()
1239{
[2518]1240 char *tmp = NULL;
[1]1241
[128]1242 log_msg(3, "starting");
1243 if (g_boot_mountpt[0]) {
[3185]1244 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
[128]1245 if (run_program_and_log_output(tmp, 5)) {
1246 log_it("WARNING - unable to unmount /boot");
1247 }
[2518]1248 mr_free(tmp);
[128]1249 }
1250 log_msg(3, "leaving");
[1]1251}
1252
1253
1254
1255/**
1256 * Write a line to a configuration file. Writes a line of the form,
1257 * @c label @c value.
[3268]1258 * @param config_file The file to write to. Usually @c mondorestore.cfg.
[1]1259 * @param label What to call this bit of data you're writing.
1260 * @param value The bit of data you're writing.
1261 * @return 0 for success, 1 for failure.
1262 */
[128]1263int write_cfg_var(char *config_file, char *label, char *value)
[1]1264{
[128]1265 /*@ buffers ***************************************************** */
[2518]1266 char *command = NULL;
1267 char *tempfile = NULL;
[1]1268
1269
[128]1270 /*@ end vars *************************************************** */
1271 assert_string_is_neither_NULL_nor_zerolength(config_file);
1272 assert_string_is_neither_NULL_nor_zerolength(label);
1273 assert(value != NULL);
1274 if (!does_file_exist(config_file)) {
[3191]1275 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
[128]1276 return (1);
1277 }
[3185]1278 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]1279 if (does_file_exist(config_file)) {
[3191]1280 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
[128]1281 paranoid_system(command);
[2518]1282 mr_free(command);
[128]1283 }
[3185]1284 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]1285 paranoid_system(command);
[2518]1286 mr_free(command);
1287
[3185]1288 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
[128]1289 paranoid_system(command);
[2518]1290 mr_free(command);
[128]1291 unlink(tempfile);
[2518]1292 mr_free(tempfile);
[128]1293 return (0);
[1]1294}
1295
[541]1296
[1]1297/**
[541]1298 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1299 * information to the logfile.
1300 */
[3191]1301void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1302
[541]1303 va_list args;
1304 static int depth = 0;
1305 FILE *fout;
1306
1307 if (depth > 5) {
1308 depth--;
1309 return;
1310 }
1311 depth++;
1312
1313 if (debug_level <= g_loglevel) {
1314 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1315 return;
[3191]1316 }
[541]1317
1318 // add tabs to distinguish log levels
1319 if (debug_level > 0) {
[3191]1320 fprintf(fout, "DBG%d: ", debug_level);
[541]1321 if (getpid() == g_main_pid)
[2205]1322 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1323 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]1324 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1325 else
[2205]1326 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[3191]1327 } else {
1328 fprintf(fout, "INFO: ");
[541]1329 }
[2230]1330 va_start(args, fmt);
[541]1331 vfprintf(fout, fmt, args);
[2230]1332 va_end(args);
[541]1333
1334 fprintf(fout, "\n");
1335 paranoid_fclose(fout);
1336 }
1337 depth--;
1338}
1339
1340/**
1341 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1342 */
[3194]1343void (*log_debug_msg) (int, const char *, const char *, int, const char *, ...) = standard_log_debug_msg;
[541]1344
1345
1346/**
[1]1347 * Allocate or free important globals, depending on @p mal.
1348 * @param mal If TRUE, malloc; if FALSE, free.
1349 */
1350void do_libmondo_global_strings_thing(int mal)
1351{
[128]1352 if (mal) {
1353 malloc_string(g_boot_mountpt);
1354 malloc_string(g_mondo_home);
1355 malloc_string(g_magicdev_command);
1356 } else {
1357 paranoid_free(g_boot_mountpt);
1358 paranoid_free(g_mondo_home);
1359 paranoid_free(g_magicdev_command);
1360 }
[1]1361}
1362
1363/**
1364 * Allocate important globals.
1365 * @see do_libmondo_global_strings_thing
1366 */
1367void malloc_libmondo_global_strings(void)
1368{
[128]1369 do_libmondo_global_strings_thing(1);
[1]1370}
1371
1372/**
1373 * Free important globals.
1374 * @see do_libmondo_global_strings_thing
1375 */
1376void free_libmondo_global_strings(void)
1377{
[128]1378 do_libmondo_global_strings_thing(0);
[1]1379}
1380
1381
1382
1383/**
1384 * Stop @c magicdev if it's running.
1385 * The command used to start it is saved in @p g_magicdev_command.
1386 */
1387void stop_magicdev_if_necessary()
1388{
[3610]1389 char *tmp = NULL;
1390
1391 tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99");
1392 strcpy(g_magicdev_command, tmp);
[128]1393 if (g_magicdev_command[0]) {
1394 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1395 paranoid_system("killall magicdev");
1396 }
[3610]1397 mr_free(tmp);
[1]1398}
1399
1400
1401/**
1402 * Restart magicdev if it was stopped.
1403 */
1404void restart_magicdev_if_necessary()
1405{
[2518]1406 char *tmp = NULL;
[128]1407
1408 if (g_magicdev_command && g_magicdev_command[0]) {
[3185]1409 mr_asprintf(tmp, "%s &", g_magicdev_command);
[128]1410 paranoid_system(tmp);
[2518]1411 mr_free(tmp);
[128]1412 }
[1]1413}
1414
1415/* @} - end of utilityGroup */
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