source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-tools.c@ 2348

Last change on this file since 2348 was 2348, checked in by Bruno Cornec, 15 years ago

Improve logging (minor)
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[2030]1/*
[99]2 $Id: libmondo-tools.c 2348 2009-08-27 11:54:25Z bruno $
[1]3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
[2211]12#include "mr_mem.h"
[1]13#include "mondostructures.h"
[541]14#include "lib-common-externs.h"
[1]15#include "libmondo-tools.h"
[541]16#include "libmondo-gui-EXT.h"
[1]17#include "libmondo-files-EXT.h"
18#include "libmondo-fork-EXT.h"
19#include "libmondo-raid-EXT.h"
[1917]20#include "libmondo-devices-EXT.h"
[1]21#include <sys/socket.h>
22#include <netdb.h>
[1653]23#include <stdlib.h>
[1]24#include <netinet/in.h>
25#include <arpa/inet.h>
[1375]26#include <sys/utsname.h>
[1]27
28/*@unused@*/
[99]29//static char cvsid[] = "$Id: libmondo-tools.c 2348 2009-08-27 11:54:25Z bruno $";
[1]30
31extern int g_tape_buffer_size_MB;
32extern char *g_serial_string;
33extern bool g_text_mode;
34extern int g_currentY;
35extern int g_current_media_number;
[1316]36extern char *MONDO_LOGFILE;
[1]37
[1645]38/* Reference to global bkpinfo */
39extern struct s_bkpinfo *bkpinfo;
40
[1]41/**
42 * @addtogroup globalGroup
43 * @{
44 */
[128]45bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
46 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
47bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]48double g_kernel_version;
49
50/**
51 * The place where /boot is mounted.
52 */
[128]53char *g_boot_mountpt = NULL;
[1]54
55/**
56 * The location of Mondo's home directory.
57 */
[128]58char *g_mondo_home = NULL;
[1]59
60/**
61 * The serial string (used to differentiate between backups) of the current backup.
62 */
[128]63char *g_serial_string = NULL;
[1]64
65/**
66 * The location where tmpfs is mounted, or "" if it's not mounted.
[2030]67char *g_tmpfs_mountpt = NULL;
[1]68 */
[128]69char *g_magicdev_command = NULL;
[1]70
71/**
72 * The default maximum level to log messages at or below.
73 */
[128]74int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]75
76/* @} - end of globalGroup */
77
78
79extern pid_t g_buffer_pid;
80extern pid_t g_main_pid;
81
82extern t_bkptype g_backup_media_type;
83
84extern bool am_I_in_disaster_recovery_mode(void);
85
[1917]86/*-----------------------------------------------------------*/
87
88
[1]89/**
90 * @addtogroup utilityGroup
91 * @{
92 */
93/**
94 * Assertion handler. Prints a friendly message to the user,
95 * offering to ignore all, dump core, break to debugger,
96 * exit, or ignore. Intended to be used with an assert() macro.
97 *
98 * @param file The file in which the assertion triggered.
99 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
100 * @param line The line number of the assert() statement.
101 * @param exp The expression that failed (as a string).
102 */
[128]103void _mondo_assert_fail(const char *file,
104 const char *function, int line, const char *exp)
[1]105{
[128]106 static int ignoring_assertions = 0;
107 bool is_valid = TRUE;
[1]108
[128]109 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
110 function);
111 if (ignoring_assertions) {
112 log_it("Well, the user doesn't care...");
113 return;
114 }
[1]115#ifndef _XWIN
[128]116 if (!g_text_mode)
117 newtSuspend();
[1]118#endif
[541]119 printf("ASSERTION FAILED: `%s'\n", exp);
120 printf("\tat %s:%d in %s\n\n", file, line, function);
121 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]122 do {
123 is_valid = TRUE;
124 switch (toupper(getchar())) {
125 case 'A': // ignore (A)ll
126 ignoring_assertions = 1;
127 break;
128 case 'B': // a(B)ort
129 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
130 raise(SIGABRT);
131 break; /* "can't get here" */
132 case 'D': // (D)ebug, aka asm("int 3")
[1]133#ifdef __IA32__
[128]134 __asm__ __volatile__("int $3"); // break to debugger
[1]135#endif
[128]136 break;
137 case 'E': // (E)xit
138 fatal_error("Failed assertion -- see above for details");
139 break; /* "can't get here" */
140 case 'I': // (I)gnore
141 break;
142 /* These next two work as follows:
143 the `default' catches the user's invalid choice and says so;
144 the '\n' catches the newline on the end and prints the prompt again.
145 */
146 case '\n':
147 printf
[541]148 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]149 break;
150 default:
151 is_valid = FALSE;
[541]152 printf("Invalid choice.\n");
[128]153 break;
154 }
155 } while (!is_valid);
156
157 if (ignoring_assertions) {
158 log_it("Ignoring ALL assertions from now on.");
159 } else {
160 log_it("Ignoring assertion: %s", exp);
[1]161 }
162
[128]163 getchar(); // skip \n
[1]164
165#ifndef _XWIN
[128]166 if (!g_text_mode)
167 newtResume();
[1]168#endif
169}
170
171/**
172 * Clean's up users' KDE desktops.
173 * @bug Details about this function are unknown.
174 */
175void clean_up_KDE_desktop_if_necessary(void)
176{
[128]177 char *tmp;
[1]178
[128]179 malloc_string(tmp);
180 strcpy(tmp,
181 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]182file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[273]183awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[275]184else { print $0;};}' $file.old > $file ; fi ; done");
[128]185 run_program_and_log_output(tmp, 5);
186 paranoid_free(tmp);
[1]187}
188
189
190/**
191 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
192 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
193 *
194 * @param home_sz String to store the home directory ("" if it could not be found).
195 * @return 0 for success, nonzero for failure.
196 */
197int find_and_store_mondoarchives_home(char *home_sz)
198{
[128]199 assert(home_sz != NULL);
[424]200 strcpy(home_sz, MONDO_SHARE);
[182]201 return (0);
[1]202}
203
204
[1375]205char *get_architecture(void) {
[1]206#ifdef __IA32__
[1375]207# ifdef __X86_64__
208 return ("x86_64");
209# else
210 return ("i386");
211# endif
[1]212#endif
213#ifdef __IA64__
[128]214 return ("ia64");
[1]215#endif
[128]216 return ("unknown");
[1]217}
218
219
[1375]220char *get_uname_m(void) {
[1]221
[1375]222 struct utsname utsn;
223 char *tmp = NULL;
224
225 uname(&utsn);
[2211]226 mr_asprintf(&tmp, "%s", utsn.machine);
[1375]227 return (tmp);
228}
229
230
231
232double get_kernel_version(void)
[1]233{
[128]234 char *p, tmp[200];
235 double d;
[1]236#ifdef __FreeBSD__
[128]237 // JOSH - FIXME :)
238 d = 5.2; // :-)
[1]239#else
[128]240 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
241 p = strchr(tmp, '.');
242 if (p) {
243 p = strchr(++p, '.');
244 if (p) {
245 while (*p) {
246 *p = *(p + 1);
247 p++;
248 }
249 }
250 }
[1]251// log_msg(1, "tmp = '%s'", tmp);
[128]252 d = atof(tmp);
[1]253#endif
[128]254 log_msg(1, "g_kernel_version = %f", d);
255 return (d);
[1]256}
257
258
259
260
261
262/**
263 * Get the current time.
264 * @return number of seconds since the epoch.
265 */
[128]266long get_time()
[1]267{
[128]268 return (long) time((void *) 0);
[1]269}
270
271
272
273
274
275
276
277/**
278 * Initialize a RAID volume structure, setting fields to zero. The
279 * actual hard drive is unaffected.
280 *
281 * @param raidrec The RAID volume structure to initialize.
282 * @note This function is system dependent.
283 */
284#ifdef __FreeBSD__
[128]285void initialize_raidrec(struct vinum_volume *raidrec)
[1]286{
[128]287 int i, j;
288 raidrec->volname[0] = '\0';
289 raidrec->plexes = 0;
290 for (i = 0; i < 9; ++i) {
291 raidrec->plex[i].raidlevel = -1;
292 raidrec->plex[i].stripesize = 0;
293 raidrec->plex[i].subdisks = 0;
294 for (j = 0; j < 9; ++j) {
295 strcpy(raidrec->plex[i].sd[j].which_device, "");
296 }
297 }
[1]298}
299#else
[128]300void initialize_raidrec(struct raid_device_record *raidrec)
[1]301{
[128]302 assert(raidrec != NULL);
303 raidrec->raid_device[0] = '\0';
[558]304 raidrec->raid_level = -9;
[128]305 raidrec->persistent_superblock = 1;
[558]306 raidrec->chunk_size = 64;
307 raidrec->parity = -1;
[128]308 raidrec->data_disks.entries = 0;
309 raidrec->spare_disks.entries = 0;
310 raidrec->parity_disks.entries = 0;
311 raidrec->failed_disks.entries = 0;
312 raidrec->additional_vars.entries = 0;
[1]313}
314#endif
315
316
317
318
319/**
320 * Insert modules that Mondo requires.
[1236]321 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]322 * @c msdosfs and @c ext2fs for FreeBSD.
323 */
324void insmod_crucial_modules(void)
325{
326#ifdef __FreeBSD__
[128]327 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
328 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]329#else
[1236]330 system("modprobe -a msdos vfat loop &> /dev/null");
[1]331#endif
332}
333
334
335/**
[541]336 * Log a trace message to the trace file.
337 * @bug This function seems orphaned. Please remove.
338 */
339void log_trace(char *o)
340{
341 /*@ pointers **************************************************** */
342 FILE *fout;
343
344 /*@ buffers ***************************************************** */
345 char output[MAX_STR_LEN];
346
347 /*@ int ****************************************************** */
348 int i;
349
350 /*@ end vars *************************************************** */
351
352 if (o[0] == '\0') {
353 return;
354 }
355 strcpy(output, o);
356 i = (int) strlen(output);
357 if (i <= 0) {
358 return;
359 }
360 if (output[i - 1] < 32) {
361 output[i - 1] = '\0';
362 }
363 if (g_text_mode
364 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
365 printf("%s\n", output);
366 }
367
368 fout = fopen(MONDO_TRACEFILE, "a");
369 if (fout) {
370 fprintf(fout, "%s\n", output);
371 paranoid_fclose(fout);
372 } else {
373 log_OS_error("Cannot write to tracefile");
374 }
375}
376
377
378
379
380
381/**
[1]382 * Finish configuring the backup information structure. Call this function
383 * to set the parameters that depend on those that can be given on the command
384 * line.
385 *
386 * @param bkpinfo The backup information structure. Fields modified/used:
387 * - Used: @c bkpinfo->backup_data
388 * - Used: @c bkpinfo->backup_media_type
389 * - Used: @c bkpinfo->cdrw_speed
390 * - Used: @c bkpinfo->compression_level
391 * - Used: @c bkpinfo->include_paths
[20]392 * - Used: @c bkpinfo->prefix
[1]393 * - Used: @c bkpinfo->isodir
394 * - Used: @c bkpinfo->manual_cd_tray
395 * - Used: @c bkpinfo->make_cd_use_lilo
396 * - Used: @c bkpinfo->media_device
397 * - Used: @c bkpinfo->nfs_mount
398 * - Used: @c bkpinfo->nonbootable_backup
399 * - Used: @c bkpinfo->scratchdir
400 * - Used: @c bkpinfo->tmpdir
401 * - Used: @c bkpinfo->use_lzo
402 * - Modified: @c bkpinfo->call_before_iso
403 * - Modified: @c bkpinfo->call_make_iso
404 * - Modified: @c bkpinfo->optimal_set_size
405 * - Modified: @c bkpinfo->zip_exe
406 * - Modified: @c bkpinfo->zip_suffix
407 *
408 * @return number of errors, or 0 for success.
409 * @note Also creates directories that are specified in the @c bkpinfo structure but
410 * do not exist.
411 */
[1645]412int post_param_configuration()
[1]413{
[2211]414 char *extra_cdrom_params = NULL;
415 char *mondo_mkisofs_sz = NULL;
[128]416 char *command;
417 char *mtpt;
[2211]418 char *hostname;
419 char *ip_address = NULL;
[128]420 int retval = 0;
421 char *colon;
422 char *cdr_exe;
423 char *tmp;
[163]424 char call_before_iso_user[MAX_STR_LEN] = "\0";
[2030]425 /*
426 long avm = 0;
[128]427 int rdsiz_MB;
[2030]428 */
[128]429 char *iso_dev;
430 char *iso_mnt;
431 char *iso_tmp;
432 char *iso_path;
[1]433
[128]434 assert(bkpinfo != NULL);
435 malloc_string(command);
436 malloc_string(mtpt);
437 malloc_string(hostname);
438 malloc_string(cdr_exe);
439 malloc_string(tmp);
440 malloc_string(iso_dev);
441 malloc_string(iso_mnt);
442 malloc_string(iso_tmp);
443 malloc_string(iso_path);
444 bkpinfo->optimal_set_size =
[686]445 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[128]446 1024;
[1]447
[128]448 log_msg(1, "Foo");
449 if (bkpinfo->backup_media_type == tape) {
450 log_msg(1, "Bar");
451 sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
452 log_msg(1, "tmp = '%s'", tmp);
453 if (run_program_and_log_output(tmp, 3)) {
454 fatal_error
455 ("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.");
456 }
[1]457 }
[128]458 make_hole_for_dir(bkpinfo->scratchdir);
459 if (bkpinfo->backup_media_type == iso)
460 make_hole_for_dir(bkpinfo->isodir);
[1]461
[128]462 run_program_and_log_output("uname -a", 5);
[678]463 run_program_and_log_output("cat /etc/*-release", 5);
[128]464 run_program_and_log_output("cat /etc/*issue*", 5);
[1]465#ifdef __FreeBSD__
466#else
[128]467 run_program_and_log_output("cat /proc/cpuinfo", 5);
468 run_program_and_log_output
469 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
470 5);
[1]471#endif
[128]472
473 if (bkpinfo->use_lzo) {
474 strcpy(bkpinfo->zip_exe, "lzop");
475 strcpy(bkpinfo->zip_suffix, "lzo");
[998]476 } else if (bkpinfo->use_gzip) {
477 strcpy(bkpinfo->zip_exe, "gzip");
478 strcpy(bkpinfo->zip_suffix, "gz");
[128]479 } else if (bkpinfo->compression_level != 0) {
480 strcpy(bkpinfo->zip_exe, "bzip2");
481 strcpy(bkpinfo->zip_suffix, "bz2");
482 } else {
483 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]484 }
485
486// DVD
487
[128]488 if (bkpinfo->backup_media_type == dvd) {
489 if (find_home_of_exe("growisofs")) {
490 strcpy(cdr_exe, "growisofs");
491 } // unlikely to be used
492 else {
493 fatal_error("Please install growisofs.");
494 }
495 if (bkpinfo->nonbootable_backup) {
[2211]496 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[128]497 } else if
[1]498#ifdef __FreeBSD__
[128]499 (TRUE)
[1]500#else
[128]501 (bkpinfo->make_cd_use_lilo)
[1]502#endif
503#ifdef __IA64__
[128]504 {
[2211]505 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[128]506 }
[1]507#else
508 {
[2211]509 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]510 }
[128]511#endif
512 else
513 {
[2211]514 mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[128]515 }
516 if (bkpinfo->manual_cd_tray) {
[2211]517 paranoid_free(mondo_mkisofs_sz);
[128]518 fatal_error("Manual CD tray + DVD not supported yet.");
519 // -m isn't supported by growisofs, BTW...
520 } else {
521 sprintf(bkpinfo->call_make_iso,
522 "%s %s -Z %s . 2>> _ERR_",
523 mondo_mkisofs_sz,
[2211]524 "", bkpinfo->media_device);
525 paranoid_free(mondo_mkisofs_sz);
[128]526 }
[153]527 if (getenv ("SUDO_COMMAND")) {
[679]528 sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
529 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
530 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
531 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
532 }
[153]533 }
[128]534 log_msg(2, "call_make_iso (DVD res) is ... %s",
535 bkpinfo->call_make_iso);
536 } // end of DVD code
[1]537
538// CD-R or CD-RW
[128]539 if (bkpinfo->backup_media_type == cdrw
540 || bkpinfo->backup_media_type == cdr) {
541 if (!bkpinfo->manual_cd_tray) {
[2211]542 mr_asprintf(&extra_cdrom_params, "-waiti ");
[128]543 }
544 if (bkpinfo->backup_media_type == cdrw) {
[2211]545 mr_asprintf(&extra_cdrom_params, "blank=fast ");
[128]546 }
547 if (find_home_of_exe("cdrecord")) {
548 strcpy(cdr_exe, "cdrecord");
549 } else if (find_home_of_exe("dvdrecord")) {
550 strcpy(cdr_exe, "dvdrecord");
551 } else {
552 fatal_error("Please install either cdrecord or dvdrecord.");
553 }
554 if (bkpinfo->nonbootable_backup) {
[2211]555 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
[128]556 } else if
[1]557#ifdef __FreeBSD__
[128]558 (TRUE)
[1]559#else
[128]560 (bkpinfo->make_cd_use_lilo)
[1]561#endif
562#ifdef __IA64__
563 {
[2211]564 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]565 }
[128]566#else
[1]567 {
[2211]568 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]569 }
[128]570#endif
571 else
572 {
[2211]573 mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
[128]574 }
575 if (bkpinfo->manual_cd_tray) {
[163]576 if (bkpinfo->call_before_iso[0] == '\0') {
[128]577 sprintf(bkpinfo->call_before_iso,
[1666]578 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
[163]579 mondo_mkisofs_sz, bkpinfo->tmpdir);
580 } else {
581 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
582 sprintf (bkpinfo->call_before_iso,
[1666]583 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
[163]584 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
585 }
586 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[128]587 sprintf(bkpinfo->call_make_iso,
[1666]588 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
[128]589 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
590 extra_cdrom_params, bkpinfo->media_device,
591 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
592 } else {
593 sprintf(bkpinfo->call_make_iso,
594 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
595 mondo_mkisofs_sz, cdr_exe,
596 (bkpinfo->please_dont_eject) ? " " : "-eject",
597 extra_cdrom_params, bkpinfo->media_device,
598 bkpinfo->cdrw_speed);
599 }
[2211]600 paranoid_free(mondo_mkisofs_sz);
601 paranoid_free(extra_cdrom_params);
[128]602 } // end of CD code
[1]603
[128]604 /*
605 if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
606 {
607 sprintf (tmp,
608 "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
609 bkpinfo->media_device, bkpinfo->internal_tape_block_size);
610 if (system(tmp))
611 {
612 retval++;
613 fprintf (stderr,
614 "Cannot write to tape device. Is the tape set read-only?\n");
615 }
616 } // end of tape code
617 */
[1]618
619
[128]620 if (bkpinfo->backup_media_type == iso) {
621
[1]622/* Patch by Conor Daly <conor.daly@met.ie>
623 * 23-june-2004
624 * Break up isodir into iso_mnt and iso_path
625 * These will be used along with iso-dev at restore time
626 * to locate the ISOs where ever they're mounted
627 */
628
[128]629 log_it("isodir = %s", bkpinfo->isodir);
[165]630 sprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1",
[128]631 bkpinfo->isodir);
632 log_it("command = %s", command);
633 log_it("res of it = %s",
634 call_program_and_get_last_line_of_output(command));
635 sprintf(iso_dev, "%s",
636 call_program_and_get_last_line_of_output(command));
637 sprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
638 write_one_liner_data_file(tmp,
639 call_program_and_get_last_line_of_output
640 (command));
[1]641
[128]642 sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
643 iso_dev);
644 log_it("command = %s", command);
645 log_it("res of it = %s",
646 call_program_and_get_last_line_of_output(command));
647 sprintf(iso_mnt, "%s",
648 call_program_and_get_last_line_of_output(command));
649 sprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
650 write_one_liner_data_file(tmp,
651 call_program_and_get_last_line_of_output
652 (command));
653 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
654 sprintf(iso_tmp, "%s", bkpinfo->isodir);
655 if (strlen(iso_tmp) < strlen(iso_mnt)) {
656 iso_path[0] = '\0';
657 } else {
658 sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
659 }
660 sprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
661 write_one_liner_data_file(tmp, iso_path);
662 log_it("isodir: %s", iso_path);
[148]663 sprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
664 write_one_liner_data_file(tmp, bkpinfo->prefix);
665 log_it("iso-prefix: %s", bkpinfo->prefix);
[1]666
667/* End patch */
[128]668 } // end of iso code
[1]669
[128]670 if (bkpinfo->backup_media_type == nfs) {
671 strcpy(hostname, bkpinfo->nfs_mount);
672 colon = strchr(hostname, ':');
673 if (!colon) {
674 log_it("nfs mount doesn't have a colon in it");
675 retval++;
676 } else {
677 struct hostent *hent;
[1]678
[128]679 *colon = '\0';
680 hent = gethostbyname(hostname);
681 if (!hent) {
682 log_it("Can't resolve NFS mount (%s): %s", hostname,
683 hstrerror(h_errno));
684 retval++;
685 } else {
[2290]686 mr_asprintf(&ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
[2211]687 mr_strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
[128]688 strcpy(bkpinfo->nfs_mount, ip_address);
[2211]689 paranoid_free(ip_address);
[128]690 }
691 }
[1645]692 store_nfs_config();
[128]693 }
[1]694
[128]695 log_it("Finished processing incoming params");
696 if (retval) {
697 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
698 }
699 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
700 log_it("tmpdir or scratchdir are blank/missing");
701 retval++;
702 }
703 if (bkpinfo->include_paths[0] == '\0') {
704 // fatal_error ("Why no backup path?");
705 strcpy(bkpinfo->include_paths, "/");
706 }
707 chmod(bkpinfo->scratchdir, 0700);
708 g_backup_media_type = bkpinfo->backup_media_type;
709 paranoid_free(mtpt);
710 paranoid_free(command);
711 paranoid_free(hostname);
712 paranoid_free(cdr_exe);
713 paranoid_free(tmp);
714 paranoid_free(iso_dev);
715 paranoid_free(iso_mnt);
716 paranoid_free(iso_tmp);
717 paranoid_free(iso_path);
718 return (retval);
[1]719}
720
721
722
723/**
724 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
725 * Seeds the random-number generator, loads important modules, checks the sanity
726 * of the user's Linux distribution, and deletes logfile.
727 * @param bkpinfo The backup information structure. Will be initialized.
728 * @return number of errors (0 for success)
729 */
[1645]730int pre_param_configuration()
[1]731{
[128]732 int res = 0;
[1652]733 char *tmp = NULL;
[1]734
[128]735 make_hole_for_dir(MNT_CDROM);
736 assert(bkpinfo != NULL);
737 srandom((unsigned long) (time(NULL)));
738 insmod_crucial_modules();
739 if (bkpinfo->disaster_recovery) {
740 if (!does_nonMS_partition_exist()) {
741 fatal_error
742 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
743 }
744 }
[1]745
[128]746 unlink(MONDO_TRACEFILE);
[2211]747 mr_asprintf(&tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
[1652]748 run_program_and_log_output(tmp, FALSE);
749 paranoid_free(tmp);
[128]750 if (find_and_store_mondoarchives_home(g_mondo_home)) {
751 fprintf(stderr,
752 "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");
753 res++;
754 return (res);
755 }
756 res += some_basic_system_sanity_checks();
757 if (res) {
758 log_it("Your distribution did not pass Mondo's sanity test.");
759 }
760 g_current_media_number = 1;
761 bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
762 return (res);
[1]763}
764
[1655]765void setup_tmpdir(char *path) {
[1967]766
[1653]767 char *tmp = NULL;
[1654]768 char *p = NULL;
[1]769
[1999]770 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
[1655]771 /* purging a potential old tmpdir */
[2348]772 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
[2211]773 mr_asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
[2348]774 (void)system(tmp);
[1655]775 paranoid_free(tmp);
776 }
[1967]777
[1657]778 if (path != NULL) {
[2211]779 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
[1657]780 } else if (getenv("TMPDIR")) {
[2211]781 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[1653]782 } else if (getenv("TMP")) {
[2211]783 mr_asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
[1653]784 } else {
[2211]785 mr_asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]786 }
[1654]787 p = mkdtemp(tmp);
788 if (p == NULL) {
789 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
[1653]790 finish(-1);
791 }
[1654]792 strcpy(bkpinfo->tmpdir,p);
793 paranoid_free(tmp);
[1653]794}
[1]795
796
797/**
798 * Reset all fields of the backup information structure to a sensible default.
799 * @param bkpinfo The @c bkpinfo to reset.
800 */
[1645]801void reset_bkpinfo()
[1]802{
[128]803 int i;
[1]804
[128]805 log_msg(1, "Hi");
806 assert(bkpinfo != NULL);
807 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[1653]808
[128]809 bkpinfo->media_device[0] = '\0';
810 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
811 bkpinfo->media_size[i] = -1;
812 }
813 bkpinfo->boot_loader = '\0';
814 bkpinfo->boot_device[0] = '\0';
815 bkpinfo->zip_exe[0] = '\0';
816 bkpinfo->zip_suffix[0] = '\0';
[1966]817 bkpinfo->image_devs[0] = '\0';
818 bkpinfo->compression_level = 3;
[128]819 bkpinfo->use_lzo = FALSE;
[998]820 bkpinfo->use_gzip = FALSE;
[128]821 bkpinfo->do_not_compress_these[0] = '\0';
822 bkpinfo->verify_data = FALSE;
823 bkpinfo->backup_data = FALSE;
824 bkpinfo->restore_data = FALSE;
[1966]825 bkpinfo->use_star = FALSE;
826 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[128]827 bkpinfo->disaster_recovery =
828 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
829 if (bkpinfo->disaster_recovery) {
830 strcpy(bkpinfo->isodir, "/");
831 } else {
[2059]832 strcpy(bkpinfo->isodir, MONDO_CACHE);
[128]833 }
[148]834 strcpy(bkpinfo->prefix, STD_PREFIX);
[1966]835 sensibly_set_tmpdir_and_scratchdir();
[1]836
[128]837 bkpinfo->optimal_set_size = 0;
838 strcpy(bkpinfo->include_paths, "/");
[1966]839 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
840 bkpinfo->include_paths[0] = '\0';
[128]841 bkpinfo->exclude_paths[0] = '\0';
[1966]842 bkpinfo->restore_path[0] = '\0';
[128]843 bkpinfo->call_before_iso[0] = '\0';
844 bkpinfo->call_make_iso[0] = '\0';
845 bkpinfo->call_burn_iso[0] = '\0';
846 bkpinfo->call_after_iso[0] = '\0';
847 bkpinfo->kernel_path[0] = '\0';
848 bkpinfo->nfs_mount[0] = '\0';
[2226]849 bkpinfo->nfs_user = NULL;
[128]850 bkpinfo->nfs_remote_dir[0] = '\0';
[1966]851 bkpinfo->postnuke_tarball[0] = '\0';
[128]852 bkpinfo->wipe_media_first = FALSE;
[1966]853 bkpinfo->differential = 0;
854 bkpinfo->please_dont_eject = FALSE;
[128]855 bkpinfo->cdrw_speed = 0;
[1966]856 bkpinfo->manual_cd_tray = FALSE;
857 bkpinfo->nonbootable_backup = FALSE;
858 bkpinfo->make_cd_use_lilo = FALSE;
859 bkpinfo->use_obdr = FALSE;
[1967]860 bkpinfo->restore_mode = interactive;
[1]861}
862
863
864
865
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{
[128]873 char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
874 long res;
[1]875
[128]876 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]877
[1744]878 sprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]879 if (system(command)) {
880 return (-1);
881 } // partition does not exist
[305]882 sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
[128]883 partition);
884 strcpy(out_sz, call_program_and_get_last_line_of_output(command));
885 if (strlen(out_sz) == 0) {
886 return (-1);
887 } // error within df, probably
888 res = atol(out_sz);
889 return (res);
[1]890}
891
892
893
894/**
895 * Check the user's system for sanity. Checks performed:
896 * - make sure user has enough RAM (32mb required, 64mb recommended)
897 * - make sure user has enough free space in @c /
898 * - check kernel for ramdisk support
899 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
900 * - make sure CD-ROM is unmounted
901 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
902 *
903 * @return number of problems with the user's setup (0 for success)
904 */
[128]905int some_basic_system_sanity_checks()
[1]906{
907
[128]908 /*@ buffers ************ */
909 char tmp[MAX_STR_LEN];
910 // char command[MAX_STR_LEN];
[1]911
[128]912 /*@ int's *************** */
913 int retval = 0;
[1]914
[128]915 mvaddstr_and_log_it(g_currentY, 0,
916 "Checking sanity of your Linux distribution");
[1]917#ifndef __FreeBSD__
[1737]918 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
919 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
[128]920 log_it
921 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
922 run_program_and_log_output
923 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
924 }
925 strcpy(tmp,
926 call_program_and_get_last_line_of_output
927 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
928 if (atol(tmp) < 35000) {
929 retval++;
[541]930 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]931 }
932 if (atol(tmp) < 66000) {
933 log_to_screen
[541]934 ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]935 }
[1]936#endif
937
[128]938 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
939 retval++;
940 log_to_screen
941 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
942 fatal_error
943 ("Please use \"su -\", not \"su\" to become root. OK? ...and please don't e-mail the mailing list or me about this. Just read the message. :)");
944 }
[1]945#ifndef __FreeBSD__
[128]946 if (run_program_and_log_output
[273]947 ("grep ramdisk /proc/devices", FALSE)) {
[2194]948 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
[2195]949 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
[2194]950 if (run_program_and_log_output
951 ("grep ramdisk /proc/devices", FALSE)) {
952 if (!ask_me_yes_or_no
953 ("Your kernel has no ramdisk support. That's mind-numbingly stupid but I'll allow it if you're planning to use a failsafe kernel. Are you?"))
954 {
955 // retval++;
956 log_to_screen
957 ("It looks as if your kernel lacks ramdisk and initrd support.");
958 log_to_screen
959 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
960 }
[128]961 }
962 }
[1]963#endif
[128]964 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
965 retval += whine_if_not_found("mkisofs");
966 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
967 retval += whine_if_not_found("cdrecord");
968 }
969 retval += whine_if_not_found("bzip2");
[998]970 retval += whine_if_not_found("gzip");
[128]971 retval += whine_if_not_found("awk");
972 retval += whine_if_not_found("md5sum");
973 retval += whine_if_not_found("strings");
974 retval += whine_if_not_found("mindi");
975 retval += whine_if_not_found("buffer");
[1]976
[128]977 // abort if Windows partition but no ms-sys and parted
[1855]978 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[541]979 log_to_screen("I think you have a Windows 9x partition.");
[128]980 retval += whine_if_not_found("parted");
[1]981 }
982
[128]983 if (!find_home_of_exe("cmp")) {
984 if (!find_home_of_exe("true")) {
985 whine_if_not_found("cmp");
986 } else {
987 log_to_screen
[541]988 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
[128]989 if (run_program_and_log_output
990 ("cp -f `which true` /usr/bin/cmp", 0)) {
991 fatal_error("Failed to create dummy 'cmp' file.");
992 }
993 }
[1]994 }
[128]995 run_program_and_log_output
996 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
997 strcpy(tmp,
998 call_program_and_get_last_line_of_output
999 ("mount | grep -E \"cdr(om|w)\""));
1000 if (strcmp("", tmp)) {
1001 if (strstr(tmp, "autofs")) {
1002 log_to_screen
[541]1003 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
[128]1004 log_to_screen
[541]1005 ("if a CD actually is inserted. If a CD is inserted, please");
1006 log_to_screen("eject it. Thank you.");
[128]1007 log_it
1008 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1009 } else
1010 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1011 retval++;
1012 fatal_error
1013 ("Your CD-ROM drive is mounted. Please unmount it.");
1014 }
1015 }
[1]1016
[128]1017 run_program_and_log_output("cat /etc/fstab", 5);
[1]1018#ifdef __FreeBSD__
[128]1019 run_program_and_log_output("vinum printconfig", 5);
[1]1020#else
[128]1021 run_program_and_log_output("cat /etc/raidtab", 5);
[1]1022#endif
1023
[128]1024 if (run_program_and_log_output("mindi -V", 1)) {
[541]1025 log_to_screen("Could not ascertain mindi's version number.");
[128]1026 log_to_screen
[541]1027 ("You have not installed Mondo and/or Mindi properly.");
1028 log_to_screen("Please uninstall and reinstall them both.");
[128]1029 fatal_error("Please reinstall Mondo and Mindi.");
1030 }
[1644]1031 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1032 if (run_program_and_log_output(tmp, 5)) {
1033 sprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1034 log_to_screen(tmp);
[128]1035 log_to_screen
[541]1036 ("Please run that command by hand and examine /var/log/mindi.log");
[128]1037 log_to_screen
[541]1038 ("for more information. Perhaps your /etc/fstab file is insane.");
[128]1039 log_to_screen
[541]1040 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]1041 retval++;
1042 }
[1]1043
[196]1044 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
[128]1045 && !does_file_exist("/etc/raidtab")) {
1046 log_to_screen
[541]1047 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[558]1048 create_raidtab_from_mdstat("/etc/raidtab");
[128]1049 }
1050
1051 if (retval) {
[541]1052 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1053 } else {
[541]1054 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1055 }
1056 return (retval);
[1]1057}
1058
1059/**
1060 * Retrieve the line containing @p label from the config file.
1061 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1062 * @param label What to read from the file.
1063 * @param value Where to put it.
1064 * @return 0 for success, 1 for failure.
1065 */
[128]1066int read_cfg_var(char *config_file, char *label, char *value)
[1]1067{
[128]1068 /*@ buffer ****************************************************** */
1069 char command[MAX_STR_LEN * 2];
1070 char tmp[MAX_STR_LEN];
[1]1071
[128]1072 /*@ end vars *************************************************** */
[1]1073
[128]1074 assert_string_is_neither_NULL_nor_zerolength(config_file);
1075 assert_string_is_neither_NULL_nor_zerolength(label);
1076 if (!does_file_exist(config_file)) {
1077 sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1078 config_file);
1079 log_to_screen(tmp);
1080 value[0] = '\0';
1081 return (1);
[1279]1082 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1083 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]1084 return (0);
1085 } else {
[148]1086 sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1087 label, config_file);
[128]1088 strcpy(value, call_program_and_get_last_line_of_output(command));
1089 if (strlen(value) == 0) {
1090 return (1);
1091 } else {
1092 return (0);
1093 }
[1]1094 }
1095}
1096
1097
1098
1099/**
1100 * Remount @c supermount if it was unmounted earlier.
1101 */
1102void remount_supermounts_if_necessary()
1103{
[128]1104 if (g_remount_cdrom_at_end) {
1105 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1106 }
1107 if (g_remount_floppy_at_end) {
1108 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1109 }
[1]1110}
1111
1112/**
1113 * Unmount @c supermount if it's mounted.
1114 */
1115void unmount_supermounts_if_necessary()
1116{
[128]1117 if (run_program_and_log_output
1118 ("mount | grep cdrom | grep super", FALSE) == 0) {
1119 g_remount_cdrom_at_end = TRUE;
1120 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1121 }
1122 if (run_program_and_log_output
1123 ("mount | grep floppy | grep super", FALSE) == 0) {
1124 g_remount_floppy_at_end = TRUE;
1125 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1126 }
[1]1127}
1128
1129/**
1130 * Whether we had to stop autofs (if so, restart it at end).
1131 */
[128]1132bool g_autofs_stopped = FALSE;
[1]1133
1134/**
1135 * Path to the autofs initscript ("" if none exists).
1136 */
1137char g_autofs_exe[MAX_STR_LEN];
1138
1139/**
1140 * Autofs initscript in Xandros Linux distribution.
1141 */
1142#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1143
1144/**
1145 * Autofs initscript in most Linux distributions.
1146 */
1147#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1148
1149/**
1150 * If autofs is mounted, stop it (restart at end).
1151 */
1152void stop_autofs_if_necessary()
1153{
[128]1154 char tmp[MAX_STR_LEN];
1155
1156 g_autofs_exe[0] = '\0';
1157 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1158 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1159 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1160 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1161 }
1162
1163 if (!g_autofs_exe[0]) {
1164 log_msg(3, "No autofs detected.");
1165 } else {
1166 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[1]1167// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[128]1168 sprintf(tmp, "%s stop", g_autofs_exe);
1169 if (run_program_and_log_output(tmp, 2)) {
1170 log_it("Failed to stop autofs - I assume it wasn't running");
1171 } else {
1172 g_autofs_stopped = TRUE;
1173 log_it("Stopped autofs OK");
1174 }
1175 }
[1]1176}
1177
1178/**
1179 * If autofs was stopped earlier, restart it.
1180 */
1181void restart_autofs_if_necessary()
1182{
[128]1183 char tmp[MAX_STR_LEN];
1184
1185 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1186 log_msg(3, "No autofs detected.");
1187 return;
1188 }
1189 sprintf(tmp, "%s start", g_autofs_exe);
1190 if (run_program_and_log_output(tmp, 2)) {
1191 log_it("Failed to start autofs");
1192 } else {
1193 g_autofs_stopped = FALSE;
1194 log_it("Started autofs OK");
1195 }
[1]1196}
1197
1198
1199/**
1200 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1201 */
1202void mount_boot_if_necessary()
1203{
[128]1204 char tmp[MAX_STR_LEN];
1205 char command[MAX_STR_LEN];
[1]1206
[128]1207 log_msg(1, "Started sub");
1208 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1209 g_boot_mountpt[0] = '\0';
1210 log_msg(4, "Done. Great. Seeting command to something");
1211 strcpy(command,
[911]1212 "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[128]1213 log_msg(4, "Cool. Command = '%s'", command);
1214 strcpy(tmp, call_program_and_get_last_line_of_output(command));
1215 log_msg(4, "tmp = '%s'", tmp);
1216 if (tmp[0]) {
1217 log_it("/boot is at %s according to /etc/fstab", tmp);
[1791]1218 strcpy(command, "mount | grep -Ew '/boot'");
1219 strcpy(tmp, call_program_and_get_last_line_of_output(command));
[1818]1220 if (!strcmp(tmp,"")) {
[1791]1221 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1222 if (!run_program_and_log_output("mount /boot", 5)) {
1223 strcpy(g_boot_mountpt, "/boot");
1224 log_msg(1, "Mounted /boot");
1225 } else {
1226 log_it("...ignored cos it's a label or uuid :-)");
1227 }
[128]1228 } else {
[1791]1229 sprintf(command, "mount | grep -E '^%s'", tmp);
1230 log_msg(3, "command = %s", command);
1231 if (run_program_and_log_output(command, 5)) {
1232 strcpy(g_boot_mountpt, tmp);
1233 sprintf(tmp,
1234 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1235 g_boot_mountpt);
1236 log_it(tmp);
1237 sprintf(tmp, "mount %s", g_boot_mountpt);
1238 if (run_program_and_log_output(tmp, 5)) {
1239 g_boot_mountpt[0] = '\0';
1240 log_msg(1, "Plan B");
1241 if (!run_program_and_log_output("mount /boot", 5)) {
1242 strcpy(g_boot_mountpt, "/boot");
1243 log_msg(1, "Plan B worked");
1244 } else {
1245 log_msg(1,
[128]1246 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
[1791]1247 }
[128]1248 }
1249 }
1250 }
1251 }
[1]1252 }
[128]1253 log_msg(1, "Ended sub");
[1]1254}
1255
1256
1257/**
1258 * If we mounted /boot earlier, unmount it.
1259 */
1260void unmount_boot_if_necessary()
1261{
[128]1262 char tmp[MAX_STR_LEN];
[1]1263
[128]1264 log_msg(3, "starting");
1265 if (g_boot_mountpt[0]) {
1266 sprintf(tmp, "umount %s", g_boot_mountpt);
1267 if (run_program_and_log_output(tmp, 5)) {
1268 log_it("WARNING - unable to unmount /boot");
1269 }
1270 }
1271 log_msg(3, "leaving");
[1]1272}
1273
1274
1275
1276/**
1277 * Write a line to a configuration file. Writes a line of the form,
1278 * @c label @c value.
1279 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1280 * @param label What to call this bit of data you're writing.
1281 * @param value The bit of data you're writing.
1282 * @return 0 for success, 1 for failure.
1283 */
[128]1284int write_cfg_var(char *config_file, char *label, char *value)
[1]1285{
[128]1286 /*@ buffers ***************************************************** */
1287 char command[MAX_STR_LEN * 2];
1288 char tempfile[MAX_STR_LEN];
1289 char tmp[MAX_STR_LEN];
[1]1290
1291
[128]1292 /*@ end vars *************************************************** */
1293 assert_string_is_neither_NULL_nor_zerolength(config_file);
1294 assert_string_is_neither_NULL_nor_zerolength(label);
1295 assert(value != NULL);
1296 if (!does_file_exist(config_file)) {
1297 sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1298 config_file);
1299 log_to_screen(tmp);
1300 return (1);
1301 }
[1644]1302 sprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]1303 if (does_file_exist(config_file)) {
[911]1304 sprintf(command, "grep -vE '^%s .*$' %s > %s",
[148]1305 label, config_file, tempfile);
[128]1306 paranoid_system(command);
1307 }
1308 sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1309 paranoid_system(command);
1310 sprintf(command, "mv -f %s %s", tempfile, config_file);
1311 paranoid_system(command);
1312 unlink(tempfile);
1313 return (0);
[1]1314}
1315
[541]1316
[1]1317/**
[541]1318 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1319 * information to the logfile.
1320 */
1321void standard_log_debug_msg(int debug_level, const char *szFile,
1322 const char *szFunction, int nLine,
1323 const char *fmt, ...)
1324{
1325 va_list args;
1326 int i;
1327 static int depth = 0;
1328 FILE *fout;
1329
1330 if (depth > 5) {
1331 depth--;
1332 return;
1333 }
1334 depth++;
1335
1336 if (debug_level <= g_loglevel) {
1337 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1338 return;
[1946]1339 } // fatal_error("Failed to openout to logfile - sheesh..."); }
[541]1340
1341 // add tabs to distinguish log levels
1342 if (debug_level > 0) {
1343 for (i = 1; i < debug_level; i++)
1344 fprintf(fout, "\t");
1345 if (getpid() == g_main_pid)
[2205]1346 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1347 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]1348 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1349 else
[2205]1350 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[541]1351 }
[2230]1352 va_start(args, fmt);
[541]1353 vfprintf(fout, fmt, args);
[2230]1354 va_end(args);
[541]1355
1356 // do not slow down the progran if standard debug level
1357 // must be enabled: if no flush, the log won't be up-to-date if there
1358 // is a segfault
1359 //if (g_dwDebugLevel != 1)
1360
1361 fprintf(fout, "\n");
1362 paranoid_fclose(fout);
1363 }
1364 depth--;
1365}
1366
1367/**
1368 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1369 */
1370void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1371 ...) = standard_log_debug_msg;
1372
1373
1374/**
[1]1375 * If @p y, malloc @p x, else free @p x.
1376 * @bug This function seems orphaned. Please remove.
1377 */
1378#define do_alloc_or_free_depending(x,y) { if(y) {x=malloc(MAX_STR_LEN);} else {paranoid_free(x);} }
1379
1380/**
1381 * Allocate or free important globals, depending on @p mal.
1382 * @param mal If TRUE, malloc; if FALSE, free.
1383 */
1384void do_libmondo_global_strings_thing(int mal)
1385{
[128]1386 if (mal) {
1387 malloc_string(g_boot_mountpt);
1388 malloc_string(g_mondo_home);
[2030]1389 /*
[128]1390 malloc_string(g_tmpfs_mountpt);
[2030]1391 */
[128]1392 malloc_string(g_serial_string);
1393 malloc_string(g_magicdev_command);
1394 } else {
1395 paranoid_free(g_boot_mountpt);
1396 paranoid_free(g_mondo_home);
[2030]1397 /*
[128]1398 paranoid_free(g_tmpfs_mountpt);
[2030]1399 */
[128]1400 paranoid_free(g_serial_string);
1401 paranoid_free(g_magicdev_command);
[2226]1402
[128]1403 }
[541]1404
1405 /*
1406 char**list_of_arrays[] = {
1407 &g_boot_mountpt,
1408 &g_mondo_home,
1409 &g_tmpfs_mountpt,
1410 &g_serial_string,
1411 &g_magicdev_command,
1412 NULL};
1413
1414 char**ppcurr;
1415 int i;
1416
1417 for(i=0;list_of_arrays[i];i++)
1418 {
1419 log_msg(5, "Allocating %d", i);
1420 ppcurr = list_of_arrays[i];
1421 if (mal)
1422 { *ppcurr = malloc(MAX_STR_LEN); }
1423 else
1424 {
1425 if (*ppcurr)
1426 {
1427 free(*ppcurr);
1428 }
1429 }
1430 }
1431 log_msg(5, "Returning");
1432 */
[1]1433}
1434
1435/**
1436 * Allocate important globals.
1437 * @see do_libmondo_global_strings_thing
1438 */
1439void malloc_libmondo_global_strings(void)
1440{
[128]1441 do_libmondo_global_strings_thing(1);
[1]1442}
1443
1444/**
1445 * Free important globals.
1446 * @see do_libmondo_global_strings_thing
1447 */
1448void free_libmondo_global_strings(void)
1449{
[128]1450 do_libmondo_global_strings_thing(0);
[1]1451}
1452
1453
1454
1455/**
1456 * Stop @c magicdev if it's running.
1457 * The command used to start it is saved in @p g_magicdev_command.
1458 */
1459void stop_magicdev_if_necessary()
1460{
[128]1461 strcpy(g_magicdev_command,
1462 call_program_and_get_last_line_of_output
1463 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1464 if (g_magicdev_command[0]) {
1465 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1466 paranoid_system("killall magicdev");
1467 }
[1]1468}
1469
1470
1471/**
1472 * Restart magicdev if it was stopped.
1473 */
1474void restart_magicdev_if_necessary()
1475{
[128]1476 char *tmp;
1477
1478 malloc_string(tmp);
1479 if (g_magicdev_command && g_magicdev_command[0]) {
1480 sprintf(tmp, "%s &", g_magicdev_command);
1481 paranoid_system(tmp);
1482 }
1483 paranoid_free(tmp);
[1]1484}
1485
1486/* @} - end of utilityGroup */
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