source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-devices.c@ 2290

Last change on this file since 2290 was 2290, checked in by Bruno Cornec, 16 years ago
  • Fix a printing error in mindi for the tar command
  • Fix all mr_asprintf which had no second param as a string
  • Property svn:keywords set to Id
File size: 70.2 KB
Line 
1/* libmondo-devices.c Subroutines for handling devices
2 $Id: libmondo-devices.c 2290 2009-07-22 12:03:44Z bruno $
3*/
4
5/**
6 * @file
7 * Functions to handle interactions with backup devices.
8 */
9
10#include "my-stuff.h"
11#include "mr_mem.h"
12#include "mondostructures.h"
13#include "libmondo-files-EXT.h"
14#include "libmondo-devices.h"
15#include "lib-common-externs.h"
16#include "libmondo-string-EXT.h"
17#include "libmondo-tools-EXT.h"
18#include "libmondo-gui-EXT.h"
19#include "libmondo-fork-EXT.h"
20#include "libmondo-stream-EXT.h"
21
22#include <sys/types.h>
23#ifdef __FreeBSD__
24#define DKTYPENAMES
25#define FSTYPENAMES
26#include <sys/disklabel.h>
27#include <sys/disk.h>
28#elif linux
29#define u64 unsigned long long
30#include <linux/fs.h> /* for BLKGETSIZE64 */
31#include <linux/hdreg.h>
32#endif
33
34/*@unused@*/
35//static char cvsid[] = "$Id: libmondo-devices.c 2290 2009-07-22 12:03:44Z bruno $";
36
37extern int g_current_media_number;
38extern double g_kernel_version;
39
40extern bool g_ISO_restore_mode;
41extern char *g_selfmounted_isodir;
42extern char *MONDO_LOGFILE;
43
44extern void setup_tmpdir(char *path);
45
46static char g_cdrw_drive_is_here[MAX_STR_LEN / 4] = "";
47static char g_cdrom_drive_is_here[MAX_STR_LEN / 4] = "";
48static char g_dvd_drive_is_here[MAX_STR_LEN / 4] = "";
49
50
51/**
52 * ????? @bug ?????
53 * @ingroup globalGroup
54 */
55bool g_restoring_live_from_cd = FALSE;
56bool g_restoring_live_from_nfs = FALSE;
57
58extern t_bkptype g_backup_media_type; // set by main()
59
60/* Reference to global bkpinfo */
61extern struct s_bkpinfo *bkpinfo;
62
63
64
65
66void set_g_cdrom_and_g_dvd_to_bkpinfo_value()
67{
68 strcpy(g_cdrom_drive_is_here, bkpinfo->media_device); // just in case
69 strcpy(g_dvd_drive_is_here, bkpinfo->media_device); // just in case
70}
71
72
73
74/**
75 * Retract all CD trays and wait for autorun to complete.
76 * @ingroup deviceGroup
77 */
78void retract_CD_tray_and_defeat_autorun(void)
79{
80// log_it("rctada: Retracting all CD trays", __LINE__);
81 if (strlen(g_cdrom_drive_is_here) > 0) {
82 inject_device(g_cdrom_drive_is_here);
83 }
84 if (strlen(g_dvd_drive_is_here) > 0) {
85 inject_device(g_dvd_drive_is_here);
86 }
87 if (strlen(g_cdrw_drive_is_here) > 0) {
88 inject_device(g_cdrw_drive_is_here);
89 }
90// log_it("rctada: killing autorun");
91// run_program_and_log_output("killall autorun", TRUE);
92 if (!run_program_and_log_output("ps | grep autorun | grep -v grep", 5)) {
93 log_it("autorun detected; sleeping for 2 seconds");
94 sleep(2);
95 }
96 log_it("rctada: Unmounting all CD drives", __LINE__);
97 run_program_and_log_output("umount /dev/cdr* /dev/dvd*", 5);
98}
99
100
101
102/**
103 * Determine whether we're booted off a ramdisk.
104 * @return @c TRUE (we are) or @c FALSE (we aren't).
105 * @ingroup utilityGroup
106 */
107bool am_I_in_disaster_recovery_mode(void)
108{
109 char *tmp = NULL;
110 char *comment;
111 bool is_this_a_ramdisk = FALSE;
112
113 malloc_string(comment);
114 mr_asprintf(&tmp, "%s", where_is_root_mounted());
115 sprintf(comment, "root is mounted at %s\n", tmp);
116 log_msg(0, comment);
117 log_msg(0,
118 "No, Schlomo, that doesn't mean %s is the root partition. It's just a debugging message. Relax. It's part of am_I_in_disaster_recovery_mode().",
119 tmp);
120
121#ifdef __FreeBSD__
122 if (strstr(tmp, "/dev/md")) {
123 is_this_a_ramdisk = TRUE;
124 }
125#else
126 if (!strncmp(tmp, "/dev/ram", 8)
127 || (!strncmp(tmp, "/dev/rd", 7) && !strcmp(tmp, "/dev/rd/")
128 && strncmp(tmp, "/dev/rd/cd", 10)) || strstr(tmp, "rootfs")
129 || !strcmp(tmp, "/dev/root")) {
130 is_this_a_ramdisk = TRUE;
131 } else {
132 is_this_a_ramdisk = FALSE;
133 }
134#endif
135 mr_free(tmp);
136
137 if (is_this_a_ramdisk) {
138 if (!does_file_exist("/THIS-IS-A-RAMDISK")) {
139 log_to_screen
140 ("Using /dev/root is stupid of you but I'll forgive you.");
141 is_this_a_ramdisk = FALSE;
142 }
143 }
144 if (does_file_exist("/THIS-IS-A-RAMDISK")) {
145 is_this_a_ramdisk = TRUE;
146 }
147 paranoid_free(comment);
148 log_msg(1, "Is this a ramdisk? result = %d", is_this_a_ramdisk);
149 return (is_this_a_ramdisk);
150}
151
152
153
154
155
156/**
157 * Turn @c bkpinfo->backup_media_type into a human-readable string.
158 * @return The human readable string (e.g. @c cdr becomes <tt>"cdr"</tt>).
159 * @note The returned string points to static storage that will be overwritten with each call.
160 * @ingroup stringGroup
161 */
162static char *bkptype_to_string(t_bkptype bt)
163{
164 static char output[MAX_STR_LEN / 4];
165 switch (bt) {
166 case none:
167 strcpy(output, "none");
168 break;
169 case iso:
170 strcpy(output, "iso");
171 break;
172 case cdr:
173 strcpy(output, "cdr");
174 break;
175 case cdrw:
176 strcpy(output, "cdrw");
177 break;
178 case cdstream:
179 strcpy(output, "cdstream");
180 break;
181 case nfs:
182 strcpy(output, "nfs");
183 break;
184 case tape:
185 strcpy(output, "tape");
186 break;
187 case udev:
188 strcpy(output, "udev");
189 break;
190 case usb:
191 strcpy(output, "usb");
192 break;
193 default:
194 strcpy(output, "default");
195 }
196 return (output);
197}
198
199
200
201/**
202 * @addtogroup deviceGroup
203 * @{
204 */
205/**
206 * Eject the tray of the specified CD device.
207 * @param dev The device to eject.
208 * @return the return value of the @c eject command. (0=success, nonzero=failure)
209 */
210int eject_device(char *dev)
211{
212 char *command;
213 int res1 = 0, res2 = 0;
214
215 malloc_string(command);
216
217 if (IS_THIS_A_STREAMING_BACKUP(g_backup_media_type)
218 && g_backup_media_type != udev) {
219 sprintf(command, "mt -f %s offline", dev);
220 res1 = run_program_and_log_output(command, 1);
221 } else {
222 res1 = 0;
223 }
224
225#ifdef __FreeBSD__
226 if (strstr(dev, "acd")) {
227 sprintf(command, "cdcontrol -f %s eject", dev);
228 } else {
229 sprintf(command, "camcontrol eject `echo %s | sed 's|/dev/||'`",
230 dev);
231 }
232#else
233 sprintf(command, "eject %s", dev);
234#endif
235
236 log_msg(3, "Ejecting %s", dev);
237 res2 = run_program_and_log_output(command, 1);
238 paranoid_free(command);
239 if (res1 && res2) {
240 return (1);
241 } else {
242 return (0);
243 }
244}
245
246/**
247 * Load (inject) the tray of the specified CD device.
248 * @param dev The device to load/inject.
249 * @return 0 for success, nonzero for failure.
250 */
251int inject_device(char *dev)
252{
253 char *command;
254 int i;
255
256 malloc_string(command);
257
258
259#ifdef __FreeBSD__
260 if (strstr(dev, "acd")) {
261 sprintf(command, "cdcontrol -f %s close", dev);
262 } else {
263 sprintf(command, "camcontrol load `echo %s | sed 's|/dev/||'`",
264 dev);
265 }
266#else
267 sprintf(command, "eject -t %s", dev);
268#endif
269 i = run_program_and_log_output(command, FALSE);
270 paranoid_free(command);
271 return (i);
272}
273
274
275/**
276 * Determine whether the specified @p device (really, you can use any file)
277 * exists.
278 * @return TRUE if it exists, FALSE if it doesn't.
279 */
280bool does_device_exist(char *device)
281{
282
283 /*@ buffers *********************************************************** */
284 char *tmp;
285 bool ret;
286
287 malloc_string(tmp);
288 assert_string_is_neither_NULL_nor_zerolength(device);
289
290 sprintf(tmp, "ls %s > /dev/null 2> /dev/null", device);
291
292 if (system(tmp)) {
293 ret = FALSE;
294 } else {
295 ret = TRUE;
296 }
297 paranoid_free(tmp);
298 return (ret);
299}
300
301
302/**
303 * Determine whether a non-Microsoft partition exists on any connected hard drive.
304 * @return TRUE (there's a Linux/FreeBSD partition) or FALSE (Microsoft has taken over yet another innocent PC).
305 */
306bool does_nonMS_partition_exist(void)
307{
308#if __FreeBSD__
309 return
310 !system
311 ("for drive in /dev/ad? /dev/da?; do fdisk $drive | grep -q FreeBSD && exit 0; done; false");
312#else
313 return
314 !system
315 ("parted2fdisk -l 2>/dev/null | grep '^/dev/' | grep -Eqv '(MS|DOS|FAT|NTFS)'");
316#endif
317}
318
319/**
320 * Determine whether the specified @p partno exists on the specified @p drive.
321 * @param drive The drive to search for the partition in.
322 * @param partno The partition number to look for.
323 * @return 0 if it exists, nonzero otherwise.
324 */
325int does_partition_exist(const char *drive, int partno)
326{
327 /*@ buffers **************************************************** */
328 char *program;
329 char *incoming;
330 char *searchstr = NULL;
331 char *tmp;
332
333 /*@ ints ******************************************************* */
334 int res = 0;
335
336 /*@ pointers *************************************************** */
337 FILE *fin;
338
339
340 /*@ end vars *************************************************** */
341 assert_string_is_neither_NULL_nor_zerolength(drive);
342 assert(partno >= 0 && partno < 999);
343
344 malloc_string(program);
345 malloc_string(incoming);
346 malloc_string(searchstr);
347 malloc_string(tmp);
348
349#ifdef __FreeBSD__
350 // We assume here that this is running from mondorestore. (It is.)
351 sprintf(program, "ls %s %s >/dev/null 2>&1", drive,
352 build_partition_name(tmp, drive, partno));
353 return system(program);
354#else
355 tmp[0] = '\0';
356#endif
357
358 sprintf(program, "parted2fdisk -l %s 2> /dev/null", drive);
359 fin = popen(program, "r");
360 if (!fin) {
361 log_it("program=%s", program);
362 log_OS_error("Cannot popen-in program");
363 return (0);
364 }
365 (void) build_partition_name(searchstr, drive, partno);
366 strcat(searchstr, " ");
367 for (res = 0; !res && fgets(incoming, MAX_STR_LEN - 1, fin);) {
368 if (strstr(incoming, searchstr)) {
369 res = 1;
370 }
371 }
372 if (pclose(fin)) {
373 log_OS_error("Cannot pclose fin");
374 }
375 paranoid_free(program);
376 paranoid_free(incoming);
377 paranoid_free(searchstr);
378 paranoid_free(tmp);
379 return (res);
380}
381
382
383
384
385
386/**
387 * Determine whether given NULL-terminated @p str exists in the MBR of @p dev.
388 * @param dev The device to look in.
389 * @param str The string to look for.
390 * @return TRUE if it exists, FALSE if it doesn't.
391 */
392bool does_string_exist_in_boot_block(char *dev, char *str)
393{
394 /*@ buffers **************************************************** */
395 char *command;
396
397 /*@ end vars *************************************************** */
398 int i;
399
400 assert_string_is_neither_NULL_nor_zerolength(dev);
401 assert_string_is_neither_NULL_nor_zerolength(str);
402
403 malloc_string(command);
404 sprintf(command,
405 "dd if=%s bs=446 count=1 2> /dev/null | strings | grep \"%s\" > /dev/null 2> /dev/null",
406 dev, str);
407 i = system(command);
408 paranoid_free(command);
409 if (i) {
410 return (FALSE);
411 } else {
412 return (TRUE);
413 }
414}
415
416/**
417 * Determine whether specified @p str exists in the first @p n sectors of
418 * @p dev.
419 * @param dev The device to look in.
420 * @param str The string to look for.
421 * @param n The number of 512-byte sectors to search.
422 */
423bool does_string_exist_in_first_N_blocks(char *dev, char *str, int n)
424{
425 /*@ buffers **************************************************** */
426 char *command;
427 /*@ end vars *************************************************** */
428 int i;
429
430 malloc_string(command);
431 sprintf(command,
432 "dd if=%s bs=512 count=%i 2> /dev/null | strings | grep \"%s\" > /dev/null 2> /dev/null",
433 dev, n, str);
434 i = system(command);
435 paranoid_free(command);
436 if (i) {
437 return (FALSE);
438 } else {
439 return (TRUE);
440 }
441}
442
443
444
445/**
446 * Try to mount CD-ROM at @p mountpoint. If the CD-ROM is not found or has
447 * not been specified, call find_cdrom_device() to find it.
448 * @param bkpinfo The backup information structure. The only field used is @c bkpinfo->media_device.
449 * @param mountpoint Where to mount the CD-ROM.
450 * @return 0 for success, nonzero for failure.
451 * @see mount_CDROM_here
452 */
453int find_and_mount_actual_cd(char *mountpoint)
454{
455 /*@ buffers ***************************************************** */
456
457 /*@ int's ****************************************************** */
458 int res;
459 char *dev;
460
461 /*@ end vars **************************************************** */
462
463 malloc_string(dev);
464 assert(bkpinfo != NULL);
465 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
466
467 if (g_backup_media_type == dvd) {
468 strcpy(dev, g_dvd_drive_is_here);
469 if (!dev[0]) {
470 find_dvd_device(dev, FALSE);
471 }
472 } else {
473 strcpy(dev, g_cdrom_drive_is_here);
474 if (!dev[0]) {
475 find_cdrom_device(dev, FALSE);
476 }
477 }
478
479 if (bkpinfo->backup_media_type != iso) {
480 retract_CD_tray_and_defeat_autorun();
481 }
482
483 if (!dev[0] || (res = mount_CDROM_here(dev, mountpoint))) {
484 if (!popup_and_get_string
485 ("CD-ROM device", "Please enter your CD-ROM's /dev device",
486 dev, MAX_STR_LEN / 4)) {
487 res = 1;
488 } else {
489 res = mount_CDROM_here(dev, mountpoint);
490 }
491 }
492 if (res) {
493 log_msg(1, "mount failed");
494 } else {
495 log_msg(1, "mount succeeded with %s", dev);
496 }
497 paranoid_free(dev);
498 return (res);
499}
500
501
502
503
504
505
506/**
507 * Locate a CD-R/W writer's SCSI node.
508 * @param cdrw_device SCSI node will be placed here.
509 * @return 0 for success, nonzero for failure.
510 */
511int find_cdrw_device(char *cdrw_device)
512{
513 /*@ buffers ************************ */
514 char *comment;
515 char *tmp = NULL;
516 char *cdr_exe = NULL;
517 char *command;
518
519 malloc_string(comment);
520 malloc_string(command);
521 if (g_cdrw_drive_is_here[0]) {
522 strcpy(cdrw_device, g_cdrw_drive_is_here);
523 log_msg(3, "Been there, done that. Returning %s", cdrw_device);
524 paranoid_free(comment);
525 paranoid_free(command);
526 return (0);
527 }
528 if (g_backup_media_type == dvd) {
529 log_msg(1,
530 "This is dumb. You're calling find_cdrw_device() but you're backing up to DVD. WTF?");
531 paranoid_free(comment);
532 paranoid_free(command);
533 return (1);
534 }
535 run_program_and_log_output("insmod ide-scsi", -1);
536 if (find_home_of_exe("cdrecord")) {
537 mr_asprintf(&cdr_exe, "cdrecord");
538 } else {
539 mr_asprintf(&cdr_exe, "dvdrecord");
540 }
541 if (find_home_of_exe(cdr_exe)) {
542 sprintf(command,
543 "%s -scanbus 2> /dev/null | tr -s '\t' ' ' | grep \"[0-9]*,[0-9]*,[0-9]*\" | grep -v \"[0-9]*) \\*\" | grep CD | cut -d' ' -f2 | head -n1",
544 cdr_exe);
545 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
546 }
547 if ((tmp == NULL) || (strlen(tmp) < 2)) {
548 paranoid_free(comment);
549 mr_free(tmp);
550 mr_free(cdr_exe);
551 paranoid_free(command);
552 return 1;
553 } else {
554 strcpy(cdrw_device, tmp);
555 sprintf(comment, "Found CDRW device - %s", cdrw_device);
556 log_it(comment);
557 strcpy(g_cdrw_drive_is_here, cdrw_device);
558 paranoid_free(comment);
559 mr_free(tmp);
560 mr_free(cdr_exe);
561 paranoid_free(command);
562 return (0);
563 }
564}
565
566
567
568
569/**
570 * Attempt to locate a CD-ROM device's /dev entry.
571 * Several different methods may be used to find the device, including
572 * calling @c cdrecord, searching @c dmesg, and trial-and-error.
573 * @param output Where to put the located /dev entry.
574 * @param try_to_mount Whether to mount the CD as part of the test; if mount
575 * fails then return failure.
576 * @return 0 for success, nonzero for failure.
577 */
578int find_cdrom_device(char *output, bool try_to_mount)
579{
580 /*@ pointers **************************************************** */
581 FILE *fin;
582 char *p;
583 char *q;
584 char *r;
585 int retval = 0;
586
587 /*@ bool's ****************************************************** */
588 bool found_it = FALSE;
589
590 /*@ buffers ***************************************************** */
591 char *tmp;
592 char *tmp1 = NULL;
593 char *cdr_exe = NULL;
594 char *phrase_one;
595 char *phrase_two;
596 char *command;
597 char *dvd_last_resort;
598 char *mountpoint;
599 static char the_last_place_i_found_it[MAX_STR_LEN] = "";
600
601 /*@ intialize *************************************************** */
602 malloc_string(tmp);
603 malloc_string(phrase_one);
604 malloc_string(phrase_two);
605 malloc_string(command);
606 malloc_string(dvd_last_resort);
607 malloc_string(mountpoint);
608
609 output[0] = '\0';
610 phrase_one[0] = '\0';
611 phrase_two[0] = '\0';
612 dvd_last_resort[0] = '\0';
613
614 /*@ end vars **************************************************** */
615
616 if (g_cdrom_drive_is_here[0] && !isdigit(g_cdrom_drive_is_here[0])) {
617 strcpy(output, g_cdrom_drive_is_here);
618 log_msg(3, "Been there, done that. Returning %s", output);
619 retval = 0;
620 goto end_of_find_cdrom_device;
621 }
622 if (the_last_place_i_found_it[0] != '\0' && !try_to_mount) {
623 strcpy(output, the_last_place_i_found_it);
624 log_msg(3,
625 "find_cdrom_device() --- returning last found location - '%s'",
626 output);
627 retval = 0;
628 goto end_of_find_cdrom_device;
629 }
630
631 sprintf(mountpoint, "%s/cd.mnt", bkpinfo->tmpdir);
632 make_hole_for_dir(mountpoint);
633
634 if (find_home_of_exe("cdrecord")) {
635 mr_asprintf(&cdr_exe, "cdrecord");
636 } else {
637 mr_asprintf(&cdr_exe, "dvdrecord");
638 }
639 tmp[0] = '\0';
640 if (!find_home_of_exe(cdr_exe)) {
641 strcpy(output, "/dev/cdrom");
642 log_msg(4, "Can't find cdrecord; assuming %s", output);
643 if (!does_device_exist(output)) {
644 log_msg(4, "That didn't work. Sorry.");
645 retval = 1;
646 goto end_of_find_cdrom_device;
647 } else {
648 retval = 0;
649 goto end_of_find_cdrom_device;
650 }
651 }
652
653 sprintf(command, "%s -scanbus 2> /dev/null", cdr_exe);
654 fin = popen(command, "r");
655 if (!fin) {
656 log_msg(4, "command=%s", command);
657 log_OS_error("Cannot popen command");
658 mr_free(cdr_exe);
659 return (1);
660 }
661 for ((void)fgets(tmp, MAX_STR_LEN, fin); !feof(fin);
662 (void)fgets(tmp, MAX_STR_LEN, fin)) {
663 p = strchr(tmp, '\'');
664 if (p) {
665 q = strchr(++p, '\'');
666 if (q) {
667 for (r = q; *(r - 1) == ' '; r--);
668 *r = '\0';
669 strcpy(phrase_one, p);
670 p = strchr(++q, '\'');
671 if (p) {
672 q = strchr(++p, '\'');
673 if (q) {
674 while (*(q - 1) == ' ') {
675 q--;
676 }
677 *q = '\0';
678 strcpy(phrase_two, p);
679 }
680 }
681 }
682 }
683 }
684 paranoid_pclose(fin);
685
686#ifndef __FreeBSD__
687 if (strlen(phrase_two) == 0) {
688 log_msg(4, "Not running phase two. String is empty.");
689 } else {
690 sprintf(command, "dmesg | grep \"%s\" 2> /dev/null", phrase_two);
691 fin = popen(command, "r");
692 if (!fin) {
693 log_msg(4, "Cannot run 2nd command - non-fatal, fortunately");
694 } else {
695 for ((void)fgets(tmp, MAX_STR_LEN, fin); !feof(fin);
696 (void)fgets(tmp, MAX_STR_LEN, fin)) {
697 log_msg(5, "--> '%s'", tmp);
698 if (tmp[0] != ' ' && tmp[1] != ' ') {
699 p = strchr(tmp, ':');
700 if (p) {
701 *p = '\0';
702 if (strstr(tmp, "DVD")) {
703 sprintf(dvd_last_resort, "/dev/%s", tmp);
704 log_msg(4,
705 "Ignoring '%s' because it's a DVD drive",
706 tmp);
707 } else {
708 sprintf(output, "/dev/%s", tmp);
709 found_it = TRUE;
710 }
711 }
712 }
713 }
714 paranoid_pclose(fin);
715 }
716 }
717
718#endif
719#ifdef __FreeBSD__
720 if (!found_it) {
721 log_msg(4, "OK, approach 2");
722 if (!(found_it = set_dev_to_this_if_rx_OK(output, "/dev/cdrom"))) {
723 if (!
724 (found_it =
725 set_dev_to_this_if_rx_OK(output, "/dev/cdrom1"))) {
726 if (!
727 (found_it =
728 set_dev_to_this_if_rx_OK(output, "/dev/dvd"))) {
729 if (!
730 (found_it =
731 set_dev_to_this_if_rx_OK(output, "/dev/acd0"))) {
732 if (!
733 (found_it =
734 set_dev_to_this_if_rx_OK(output,
735 "/dev/cd01"))) {
736 if (!
737 (found_it =
738 set_dev_to_this_if_rx_OK(output,
739 "/dev/acd1"))) {
740 if (!
741 (found_it =
742 set_dev_to_this_if_rx_OK(output,
743 "/dev/cd1")))
744 {
745 retval = 1;
746 goto end_of_find_cdrom_device;
747 }
748 }
749 }
750 }
751 }
752 }
753 }
754 }
755#else
756 if (!found_it && strlen(dvd_last_resort) > 0) {
757 log_msg(4, "Well, I'll use the DVD - %s - as a last resort",
758 dvd_last_resort);
759 strcpy(output, dvd_last_resort);
760 found_it = TRUE;
761 }
762 if (found_it) {
763 sprintf(tmp, "grep \"%s=ide-scsi\" /proc/cmdline &> /dev/null",
764 strrchr(output, '/') + 1);
765 if (system(tmp) == 0) {
766 log_msg(4,
767 "%s is not right. It's being SCSI-emulated. Continuing.",
768 output);
769 found_it = FALSE;
770 output[0] = '\0';
771 }
772 }
773
774 if (found_it) {
775 log_msg(4, "(find_cdrom_device) --> '%s'", output);
776 if (!does_device_exist(output)) {
777 found_it = FALSE;
778 log_msg(4, "OK, I was wrong, I haven't found it... yet.");
779 }
780 }
781
782 if (!found_it) {
783 log_msg(4, "OK, approach 2");
784 if (!(found_it = set_dev_to_this_if_rx_OK(output, "/dev/scd0"))) {
785 if (!(found_it = set_dev_to_this_if_rx_OK(output, "/dev/sr0"))) {
786 if (!
787 (found_it =
788 set_dev_to_this_if_rx_OK(output, "/dev/cdrom"))) {
789 if (!
790 (found_it =
791 set_dev_to_this_if_rx_OK(output,
792 "/dev/cdrom0"))) {
793 if (!
794 (found_it =
795 set_dev_to_this_if_rx_OK(output,
796 "/dev/cdrom1"))) {
797 if (!
798 (found_it =
799 set_dev_to_this_if_rx_OK(output,
800 "/dev/sr1"))) {
801 if (!
802 (found_it =
803 set_dev_to_this_if_rx_OK(output,
804 "/dev/dvd")))
805 {
806 if (!
807 (found_it =
808 set_dev_to_this_if_rx_OK(output,
809 g_cdrw_drive_is_here)))
810 {
811 retval = 1;
812 goto end_of_find_cdrom_device;
813 }
814 }
815 }
816 }
817 }
818 }
819 }
820 }
821 }
822#endif
823
824 if (found_it && try_to_mount) {
825 if (mount_CDROM_here(output, mountpoint)) {
826 log_msg(4, "[Cardigans] I've changed my mind");
827 found_it = FALSE;
828 } else {
829 sprintf(tmp, "%s/archives", mountpoint);
830 if (!does_file_exist(tmp)) {
831 log_msg(4, "[Cardigans] I'll take it back");
832 found_it = FALSE;
833 } else {
834 sprintf(command, "umount %s", output);
835 paranoid_system(command);
836 log_msg(4, "I'm confident the Mondo CD is in %s", output);
837 }
838 }
839 }
840 unlink(mountpoint);
841
842 if (found_it) {
843 if (!does_file_exist(output)) {
844 log_msg(3, "I still haven't found it.");
845 return (1);
846 }
847 log_msg(3, "(find_cdrom_device) --> '%s'", output);
848 strcpy(the_last_place_i_found_it, output);
849 strcpy(g_cdrom_drive_is_here, output);
850 retval = 0;
851 goto end_of_find_cdrom_device;
852 }
853
854 sprintf(command,
855 "%s -scanbus | grep \"[0-9],[0-9],[0-9]\" | grep \"[D|C][V|D]\" | grep -n \"\" | grep \"%s\" | cut -d':' -f2",
856 cdr_exe, g_cdrw_drive_is_here);
857 log_msg(1, "command=%s", command);
858 mr_asprintf(&tmp1, "%s", call_program_and_get_last_line_of_output(command));
859 if (strlen(tmp1) > 0) {
860 strcpy(output, tmp1);
861 log_msg(4, "Finally found it at %s", output);
862 retval = 0;
863 } else {
864 log_msg(4, "Still couldn't find it.");
865 retval = 1;
866 }
867 mr_free(tmp1);
868
869 end_of_find_cdrom_device:
870 paranoid_free(tmp);
871 mr_free(cdr_exe);
872 paranoid_free(phrase_one);
873 paranoid_free(phrase_two);
874 paranoid_free(command);
875 paranoid_free(dvd_last_resort);
876 paranoid_free(mountpoint);
877 return (retval);
878}
879
880
881
882
883
884int find_dvd_device(char *output, bool try_to_mount)
885{
886 char *command;
887 char *tmp;
888 int retval = 0, devno = -1;
889
890 malloc_string(command);
891 malloc_string(tmp);
892
893 if (g_dvd_drive_is_here[0]) {
894 strcpy(output, g_dvd_drive_is_here);
895 log_msg(3, "Been there, done that. Returning %s", output);
896 return (0);
897 }
898
899 sprintf(tmp, "%s", call_program_and_get_last_line_of_output
900 ("dvdrecord -scanbus 2> /dev/null | grep \") '\" | grep -n \"\" | grep DVD | cut -d':' -f1")
901 );
902 log_msg(5, "tmp = '%s'", tmp);
903 if (!tmp[0])
904 sprintf(tmp, "%s", call_program_and_get_last_line_of_output
905 ("cdrecord -scanbus 2> /dev/null | grep \") '\" | grep -n \"\" | grep DVD | cut -d':' -f1")
906 );
907 if (tmp[0]) {
908 devno = atoi(tmp) - 1;
909 }
910 if (devno >= 0) {
911 retval = 0;
912 sprintf(output, "/dev/scd%d", devno);
913 strcpy(g_dvd_drive_is_here, output);
914 log_msg(2, "I think DVD is at %s", output);
915 } else {
916 log_msg(2, "I cannot find DVD");
917 retval = 1;
918 }
919
920 if (try_to_mount) {
921 log_msg(1, "Ignoring the fact that try_to_mount==TRUE");
922 }
923 return (retval);
924}
925
926
927
928
929
930#include <sys/ioctl.h>
931
932/**
933 * Find the size of the specified @p drive, in megabytes. Uses @c ioctl calls
934 * and @c dmesg.
935 * @param drive The device to find the size of.
936 * @return size in megabytes.
937 */
938long get_phys_size_of_drive(char *drive)
939{
940 int fd;
941#if linux
942 unsigned long long s = 0;
943 int fileid, cylinders = 0, cylindersleft = 0;
944 int cylindersize = 0;
945 int gotgeo = 0;
946
947
948 struct hd_geometry hdgeo;
949#elif __FreeBSD__
950 off_t s;
951#endif
952
953 long outvalA = -1;
954 long outvalB = -1;
955 long outvalC = -1;
956
957 if ((fd = open(drive, O_RDONLY)) != -1) {
958 if (ioctl(fd,
959#if linux
960#ifdef BLKGETSIZE64
961 BLKGETSIZE64,
962#else
963 BLKGETSIZE,
964#endif
965#elif __FreeBSD__
966 DIOCGMEDIASIZE,
967#endif
968 &s) != -1) {
969 close(fd);
970 // s>>11 works for older disks but not for newer ones
971 outvalB =
972#if linux
973#ifdef BLKGETSIZE64
974 s >> 20
975#else
976 s >> 11
977#endif
978#else
979 s >> 20
980#endif
981 ;
982 }
983 }
984
985 if (outvalB <= 0) {
986 log_msg(1, "Error getting size of %s: %s", drive, strerror(errno));
987#if linux
988 fileid = open(drive, O_RDONLY);
989 if (fileid != -1) {
990 if (ioctl(fileid, HDIO_GETGEO, &hdgeo) != -1) {
991 if (hdgeo.cylinders && hdgeo.heads && hdgeo.sectors) {
992 cylindersleft = cylinders = hdgeo.cylinders;
993 cylindersize = hdgeo.heads * hdgeo.sectors / 2;
994 outvalA = cylindersize * cylinders / 1024;
995 log_msg(2, "Got Harddisk geometry, C:%d, H:%d, S:%d",
996 hdgeo.cylinders, hdgeo.heads, hdgeo.sectors);
997 gotgeo = 1;
998 } else {
999 log_msg(1, "Harddisk geometry wrong");
1000 }
1001 } else {
1002 log_msg(1,
1003 "Error in ioctl() getting new hard disk geometry (%s), resizing in unsafe mode",
1004 strerror(errno));
1005 }
1006 close(fileid);
1007 } else {
1008 log_msg(1, "Failed to open %s for reading: %s", drive,
1009 strerror(errno));
1010 }
1011 if (!gotgeo) {
1012 log_msg(1, "Failed to get harddisk geometry, using old mode");
1013 }
1014#endif
1015 }
1016// OLDER DISKS will give ridiculously low value for outvalB (so outvalA is returned) :)
1017// NEWER DISKS will give sane value for outvalB (close to outvalA, in other words) :)
1018
1019 outvalC = (outvalA > outvalB) ? outvalA : outvalB;
1020
1021// log_msg (5, "drive = %s, error = %s", drive, strerror (errno));
1022// fatal_error ("GPSOD: Unable to get size of drive");
1023 log_msg(1, "%s --> %ld or %ld --> %ld", drive, outvalA, outvalB,
1024 outvalC);
1025
1026 return (outvalC);
1027}
1028
1029/**
1030 * Determine whether @p format is supported by the kernel. Uses /proc/filesystems
1031 * under Linux and @c lsvfs under FreeBSD.
1032 * @param format The format to test.
1033 * @return TRUE if the format is supported, FALSE if not.
1034 */
1035bool is_this_a_valid_disk_format(char *format)
1036{
1037 char *good_formats = NULL;
1038 char *command;
1039 char *format_sz;
1040
1041 FILE *pin;
1042 int retval;
1043 malloc_string(good_formats);
1044 malloc_string(command);
1045 malloc_string(format_sz);
1046
1047 assert_string_is_neither_NULL_nor_zerolength(format);
1048
1049 sprintf(format_sz, "%s ", format);
1050
1051#ifdef __FreeBSD__
1052 sprintf(command,
1053 "lsvfs | tr -s '\t' ' ' | grep -v Filesys | grep -v -- -- | cut -d' ' -f1 | tr -s '\n' ' '");
1054#else
1055 sprintf(command,
1056 "grep -v nodev /proc/filesystems | tr -s '\t' ' ' | cut -d' ' -f2 | tr -s '\n' ' '");
1057#endif
1058
1059 pin = popen(command, "r");
1060 if (!pin) {
1061 log_OS_error("Unable to read good formats");
1062 retval = 0;
1063 } else {
1064 strcpy(good_formats, " ");
1065 (void) fgets(good_formats + 1, MAX_STR_LEN - 1, pin);
1066 if (pclose(pin)) {
1067 log_OS_error("Cannot pclose good formats");
1068 }
1069 strip_spaces(good_formats);
1070 strcat(good_formats, " swap lvm raid ntfs-3g ntfs 7 "); // " ntfs 7 " -- um, cheating much? :)
1071 if (strstr(good_formats, format_sz)) {
1072 retval = 1;
1073 } else {
1074 retval = 0;
1075 }
1076 }
1077 paranoid_free(good_formats);
1078 paranoid_free(command);
1079 paranoid_free(format_sz);
1080 return (retval);
1081}
1082
1083
1084/** @def SWAPLIST_COMMAND The command to list the swap files/partitions in use. */
1085
1086/**
1087 * Determine whether @p device_raw is currently mounted.
1088 * @param device_raw The device to check.
1089 * @return TRUE if it's mounted, FALSE if not.
1090 */
1091bool is_this_device_mounted(char *device_raw)
1092{
1093
1094 /*@ pointers **************************************************** */
1095 FILE *fin;
1096
1097 /*@ buffers ***************************************************** */
1098 char *incoming;
1099 char *device_with_tab = NULL;
1100 char *device_with_space = NULL;
1101 char *tmp = NULL;
1102 bool retval = FALSE;
1103
1104#ifdef __FreeBSD__
1105#define SWAPLIST_COMMAND "swapinfo"
1106#else
1107#define SWAPLIST_COMMAND "cat /proc/swaps"
1108#endif
1109
1110 /*@ end vars **************************************************** */
1111
1112 malloc_string(incoming);
1113 assert(device_raw != NULL);
1114// assert_string_is_neither_NULL_nor_zerolength(device_raw);
1115 if (device_raw[0] != '/' && !strstr(device_raw, ":/")) {
1116 log_msg(1, "%s needs to have a '/' prefixed - I'll do it",
1117 device_raw);
1118 mr_asprintf(&tmp, "/%s", device_raw);
1119 } else {
1120 mr_asprintf(&tmp, "%s", device_raw);
1121 }
1122 log_msg(1, "Is %s mounted?", tmp);
1123 if (!strcmp(tmp, "/proc") || !strcmp(tmp, "proc")) {
1124 log_msg(1,
1125 "I don't know how the heck /proc made it into the mountlist. I'll ignore it.");
1126 mr_free(tmp);
1127 return(FALSE);
1128 }
1129 mr_asprintf(&device_with_tab, "%s\t", tmp);
1130 mr_asprintf(&device_with_space, "%s ", tmp);
1131 mr_free(tmp);
1132
1133 if (!(fin = popen("mount", "r"))) {
1134 log_OS_error("Cannot popen 'mount'");
1135 return(FALSE);
1136 }
1137 for ((void)fgets(incoming, MAX_STR_LEN - 1, fin); !feof(fin);
1138 (void)fgets(incoming, MAX_STR_LEN - 1, fin)) {
1139 if (strstr(incoming, device_with_space) //> incoming
1140 || strstr(incoming, device_with_tab)) // > incoming)
1141 {
1142 paranoid_pclose(fin);
1143 paranoid_free(incoming);
1144 return(TRUE);
1145 }
1146 }
1147 mr_free(device_with_tab);
1148 mr_free(device_with_space);
1149 paranoid_pclose(fin);
1150 mr_asprintf(&tmp, "%s | grep -E \"^%s\" > /dev/null 2> /dev/null", SWAPLIST_COMMAND, device_with_space);
1151 log_msg(4, "tmp (command) = '%s'", tmp);
1152 if (!system(tmp)) {
1153 retval = TRUE;
1154 }
1155 mr_free(tmp);
1156 paranoid_free(incoming);
1157 return(retval);
1158}
1159
1160#ifdef __FreeBSD__
1161// CODE IS FREEBSD-SPECIFIC
1162/**
1163 * Create a loopback device for specified @p fname.
1164 * @param fname The file to associate with a device.
1165 * @return /dev entry for the device, or NULL if it couldn't be allocated.
1166 */
1167char *make_vn(char *fname)
1168{
1169 char *device = (char *) malloc(MAX_STR_LEN);
1170 char *mddevice = (char *) malloc(32);
1171 char command[MAX_STR_LEN];
1172 int vndev = 2;
1173 if (atoi
1174 (call_program_and_get_last_line_of_output
1175 ("/sbin/sysctl -n kern.osreldate")) < 500000) {
1176 do {
1177 sprintf(mddevice, "vn%ic", vndev++);
1178 sprintf(command, "vnconfig %s %s", mddevice, fname);
1179 if (vndev > 10) {
1180 return NULL;
1181 }
1182 }
1183 while (system(command));
1184 } else {
1185 sprintf(command, "mdconfig -a -t vnode -f %s", fname);
1186 mddevice = call_program_and_get_last_line_of_output(command);
1187 if (!strstr(mddevice, "md")) {
1188 return NULL;
1189 }
1190 }
1191 sprintf(device, "/dev/%s", mddevice);
1192 return device;
1193}
1194
1195
1196
1197// CODE IS FREEBSD-SPECIFIC
1198/**
1199 * Deallocate specified @p dname.
1200 * This should be called when you are done with the device created by make_vn(),
1201 * so the system does not run out of @c vn devices.
1202 * @param dname The device to deallocate.
1203 * @return 0 for success, nonzero for failure.
1204 */
1205int kick_vn(char *dname)
1206{
1207 char command[MAX_STR_LEN];
1208
1209 if (strncmp(dname, "/dev/", 5) == 0) {
1210 dname += 5;
1211 }
1212
1213 if (atoi
1214 (call_program_and_get_last_line_of_output
1215 ("/sbin/sysctl -n kern.osreldate")) < 500000) {
1216 sprintf(command, "vnconfig -d %s", dname);
1217 return system(command);
1218 } else {
1219 sprintf(command, "mdconfig -d -u %s", dname);
1220 return system(command);
1221 }
1222 /*NOTREACHED*/ return 255;
1223}
1224#endif
1225
1226
1227/**
1228 * Mount the CD-ROM at @p mountpoint.
1229 * @param device The device (or file if g_ISO_restore_mode) to mount.
1230 * @param mountpoint The place to mount it.
1231 * @return 0 for success, nonzero for failure.
1232 */
1233int mount_USB_here(char *device, char *mountpoint)
1234{
1235 /*@ buffer ****************************************************** */
1236 char *command;
1237 int retval;
1238
1239 malloc_string(command);
1240 assert_string_is_neither_NULL_nor_zerolength(device);
1241 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
1242
1243 make_hole_for_dir(mountpoint);
1244 if (isdigit(device[0])) {
1245 return(1);
1246 }
1247 log_msg(4, "(mount_USB_here --- device=%s, mountpoint=%s", device,
1248 mountpoint);
1249
1250#ifdef __FreeBSD__
1251 sprintf(command, "mount_vfat %s %s 2>> %s",
1252 device, mountpoint, MONDO_LOGFILE);
1253
1254#else
1255 sprintf(command, "mount %s -t vfat %s 2>> %s",
1256 device, mountpoint, MONDO_LOGFILE);
1257#endif
1258
1259 log_msg(4, command);
1260 retval = system(command);
1261 log_msg(1, "system(%s) returned %d", command, retval);
1262
1263 paranoid_free(command);
1264 return (retval);
1265}
1266
1267/**
1268 * Mount the CD-ROM at @p mountpoint.
1269 * @param device The device (or file if g_ISO_restore_mode) to mount.
1270 * @param mountpoint The place to mount it.
1271 * @return 0 for success, nonzero for failure.
1272 */
1273int mount_CDROM_here(char *device, char *mountpoint)
1274{
1275 /*@ buffer ****************************************************** */
1276 char *command = NULL;
1277 int retval;
1278#ifdef __FreeBSD__
1279 char *dev = NULL;
1280#else
1281 char *options = NULL;
1282#endif
1283
1284 assert_string_is_neither_NULL_nor_zerolength(device);
1285 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
1286
1287 make_hole_for_dir(mountpoint);
1288
1289 if (isdigit(device[0])) {
1290 find_cdrom_device(device, FALSE);
1291 }
1292#ifndef __FreeBSD__
1293 mr_asprintf(&options, "ro");
1294#endif
1295
1296 if (g_ISO_restore_mode) {
1297
1298#ifdef __FreeBSD__
1299 mr_asprintf(&dev, "%s", make_vn(device));
1300 if (!dev) {
1301 mr_asprintf(&command, "Unable to mount ISO (make_vn(%s) failed)", device);
1302 fatal_error(command);
1303 }
1304 strcpy(device, dev);
1305 paranoid_free(dev);
1306#else
1307 mr_strcat(options, ",loop");
1308#endif
1309
1310 }
1311 log_msg(4, "(mount_CDROM_here --- device=%s, mountpoint=%s", device,
1312 mountpoint);
1313 /*@ end vars *************************************************** */
1314
1315#ifdef __FreeBSD__
1316 mr_asprintf(&command, "mount_cd9660 -r %s %s 2>> %s", device, mountpoint, MONDO_LOGFILE);
1317
1318#else
1319 mr_asprintf(&command, "mount %s -o %s -t iso9660 %s 2>> %s", device, options, mountpoint, MONDO_LOGFILE);
1320 paranoid_free(options);
1321#endif
1322
1323 log_msg(4, command);
1324 if (strncmp(device, "/dev/", 5) == 0) {
1325 retract_CD_tray_and_defeat_autorun();
1326 }
1327 retval = system(command);
1328 log_msg(1, "system(%s) returned %d", command, retval);
1329 paranoid_free(command);
1330
1331 return (retval);
1332}
1333
1334
1335
1336
1337
1338
1339/**
1340 * Ask the user for CD number @p cd_number_i_want.
1341 * Sets g_current_media_number once the correct CD is inserted.
1342 * @param bkpinfo The backup information structure. Fields used:
1343 * - @c bkpinfo->backup_media_type
1344 * - @c bkpinfo->prefix
1345 * - @c bkpinfo->isodir
1346 * - @c bkpinfo->media_device
1347 * - @c bkpinfo->please_dont_eject_when_restoring
1348 * @param cd_number_i_want The CD number to ask for.
1349 */
1350void
1351insist_on_this_cd_number(int cd_number_i_want)
1352{
1353
1354 /*@ int ************************************************************* */
1355 int res = 0;
1356
1357
1358 /*@ buffers ********************************************************* */
1359 char *tmp;
1360 char *mds = NULL;
1361 char *request;
1362
1363 assert(bkpinfo != NULL);
1364 assert(cd_number_i_want > 0);
1365
1366// log_msg(3, "Insisting on CD number %d", cd_number_i_want);
1367
1368 if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
1369 log_msg(3,
1370 "No need to insist_on_this_cd_number when the backup type isn't CD-R(W) or NFS or ISO");
1371 return;
1372 }
1373 malloc_string(tmp);
1374 malloc_string(request);
1375 sprintf(tmp, "mkdir -p " MNT_CDROM);
1376 run_program_and_log_output(tmp, 5);
1377 if (g_ISO_restore_mode || bkpinfo->backup_media_type == iso
1378 || bkpinfo->backup_media_type == nfs) {
1379 log_msg(3, "Remounting CD");
1380 g_ISO_restore_mode = TRUE;
1381// FIXME --- I'm tempted to do something about this...
1382// Why unmount and remount again and again?
1383 if (is_this_device_mounted(MNT_CDROM)) {
1384 run_program_and_log_output("umount " MNT_CDROM, 5);
1385 }
1386 sprintf(tmp, "mkdir -p %s/isodir &> /dev/null", bkpinfo->tmpdir);
1387 (void)system(tmp);
1388 sprintf(tmp, "%s/%s/%s-%d.iso", bkpinfo->isodir,
1389 bkpinfo->nfs_remote_dir, bkpinfo->prefix,
1390 cd_number_i_want);
1391 if (!does_file_exist(tmp)) {
1392 sprintf(tmp, "%s/isodir/%s/%s-%d.iso", bkpinfo->tmpdir,
1393 bkpinfo->nfs_remote_dir, bkpinfo->prefix,
1394 cd_number_i_want);
1395 if (does_file_exist(tmp)) {
1396 log_msg(1,
1397 "FIXME - hacking bkpinfo->isodir from '%s' to %s/isodir",
1398 bkpinfo->isodir, bkpinfo->tmpdir);
1399 sprintf(bkpinfo->isodir, "%s/isodir", bkpinfo->tmpdir);
1400 }
1401 }
1402 log_msg(3, "Mounting %s at %s", tmp, MNT_CDROM);
1403 if (mount_CDROM_here(tmp, MNT_CDROM)) {
1404 fatal_error("Mommy!");
1405 }
1406// g_current_media_number = cd_number_i_want;
1407// return;
1408 }
1409 if ((res = what_number_cd_is_this()) != cd_number_i_want) {
1410 log_msg(3, "Currently, we hold %d but we want %d", res,
1411 cd_number_i_want);
1412 mds = media_descriptor_string(bkpinfo->backup_media_type);
1413 sprintf(tmp, "Insisting on %s #%d", mds, cd_number_i_want);
1414 sprintf(request, "Please insert %s #%d and press Enter.", mds, cd_number_i_want);
1415 mr_free(mds);
1416 log_msg(3, tmp);
1417 while (what_number_cd_is_this() != cd_number_i_want) {
1418 paranoid_system("sync");
1419 if (is_this_device_mounted(MNT_CDROM)) {
1420 res =
1421 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1422 } else {
1423 res = 0;
1424 }
1425 if (res) {
1426 log_to_screen("WARNING - failed to unmount CD-ROM drive");
1427 }
1428 if (!bkpinfo->please_dont_eject) {
1429 res = eject_device(bkpinfo->media_device);
1430 } else {
1431 res = 0;
1432 }
1433 if (res) {
1434 log_to_screen("WARNING - failed to eject CD-ROM disk");
1435 }
1436 popup_and_OK(request);
1437 if (!bkpinfo->please_dont_eject) {
1438 inject_device(bkpinfo->media_device);
1439 }
1440 paranoid_system("sync");
1441 }
1442 log_msg(1, "Thankyou. Proceeding...");
1443 g_current_media_number = cd_number_i_want;
1444 }
1445 paranoid_free(tmp);
1446 paranoid_free(request);
1447}
1448
1449/* @} - end of deviceGroup */
1450
1451
1452
1453
1454
1455
1456/**
1457 * Ask user for details of backup/restore information.
1458 * Called when @c mondoarchive doesn't get any parameters.
1459 * @param bkpinfo The backup information structure to fill out with the user's data.
1460 * @param archiving_to_media TRUE if archiving, FALSE if restoring.
1461 * @return 0, always.
1462 * @bug No point of `int' return value.
1463 * @ingroup archiveGroup
1464 */
1465int interactively_obtain_media_parameters_from_user(bool archiving_to_media)
1466// archiving_to_media is TRUE if I'm being called by mondoarchive
1467// archiving_to_media is FALSE if I'm being called by mondorestore
1468{
1469 char *tmp = NULL;
1470 char *mds = NULL;
1471 char *sz_size;
1472 char *command;
1473 char *comment;
1474 char *prompt;
1475 int i;
1476 FILE *fin;
1477
1478 malloc_string(sz_size);
1479 malloc_string(command);
1480 malloc_string(comment);
1481 malloc_string(prompt);
1482 assert(bkpinfo != NULL);
1483 sz_size[0] = '\0';
1484 bkpinfo->nonbootable_backup = FALSE;
1485
1486 // Tape, CD, NFS, ...?
1487 srandom(getpid());
1488 bkpinfo->backup_media_type =
1489 (g_restoring_live_from_cd) ? cdr :
1490 which_backup_media_type(bkpinfo->restore_data);
1491 if (bkpinfo->backup_media_type == none) {
1492 log_to_screen("User has chosen not to backup the PC");
1493 finish(1);
1494 }
1495 /* Why asking to remove the media with tape ?
1496 if (bkpinfo->backup_media_type == tape && bkpinfo->restore_data) {
1497 popup_and_OK("Please remove media from drive(s)");
1498 }
1499 */
1500 log_msg(3, "media type = %s",
1501 bkptype_to_string(bkpinfo->backup_media_type));
1502 if (archiving_to_media) {
1503 sensibly_set_tmpdir_and_scratchdir();
1504 }
1505 bkpinfo->cdrw_speed = (bkpinfo->backup_media_type == cdstream) ? 2 : 4;
1506 bkpinfo->compression_level =
1507 (bkpinfo->backup_media_type == cdstream) ? 1 : 5;
1508 bkpinfo->use_lzo =
1509 (bkpinfo->backup_media_type == cdstream) ? TRUE : FALSE;
1510 mvaddstr_and_log_it(2, 0, " ");
1511
1512 // Find device's /dev (or SCSI) entry
1513 switch (bkpinfo->backup_media_type) {
1514 case cdr:
1515 case cdrw:
1516 case dvd:
1517 case usb:
1518 /* Never try to eject a USB device */
1519 if (bkpinfo->backup_media_type == usb) {
1520 bkpinfo->please_dont_eject = TRUE;
1521 }
1522 if (archiving_to_media) {
1523 if ((bkpinfo->backup_media_type != dvd) && (bkpinfo->backup_media_type != usb)) {
1524 if (ask_me_yes_or_no
1525 ("Is your computer a laptop, or does the CD writer incorporate BurnProof technology?"))
1526 {
1527 bkpinfo->manual_cd_tray = TRUE;
1528 }
1529 }
1530 if ((bkpinfo->compression_level =
1531 which_compression_level()) == -1) {
1532 log_to_screen("User has chosen not to backup the PC");
1533 finish(1);
1534 }
1535 mds = media_descriptor_string(bkpinfo->backup_media_type);
1536 sprintf(comment, "What speed is your %s (re)writer?", mds);
1537 if (bkpinfo->backup_media_type == dvd) {
1538 find_dvd_device(bkpinfo->media_device, FALSE);
1539 mr_asprintf(&tmp, "1");
1540 sprintf(sz_size, "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4482 MB
1541 log_msg(1, "Setting to DVD defaults");
1542 } else {
1543 strcpy(bkpinfo->media_device, VANILLA_SCSI_CDROM);
1544 mr_asprintf(&tmp, "4");
1545 strcpy(sz_size, "650");
1546 log_msg(1, "Setting to CD defaults");
1547 }
1548 if ((bkpinfo->backup_media_type != dvd) && (bkpinfo->backup_media_type != usb)) {
1549 if (!popup_and_get_string("Speed", comment, tmp, 4)) {
1550 log_to_screen("User has chosen not to backup the PC");
1551 finish(1);
1552 }
1553 }
1554 bkpinfo->cdrw_speed = atoi(tmp); // if DVD then this shouldn't ever be used anyway :)
1555 mr_free(tmp);
1556
1557 sprintf(comment,
1558 "How much data (in Megabytes) will each %s store?", mds);
1559 mr_free(mds);
1560 if (!popup_and_get_string("Size", comment, sz_size, 5)) {
1561 log_to_screen("User has chosen not to backup the PC");
1562 finish(1);
1563 }
1564 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1565 bkpinfo->media_size[i] = atoi(sz_size);
1566 }
1567 if (bkpinfo->media_size[0] <= 0) {
1568 log_to_screen("User has chosen not to backup the PC");
1569 finish(1);
1570 }
1571 }
1572 /* No break because we continue even for usb */
1573 case cdstream:
1574 mds = media_descriptor_string(bkpinfo->backup_media_type);
1575
1576 if ((bkpinfo->disaster_recovery) && (bkpinfo->backup_media_type != usb)) {
1577 strcpy(bkpinfo->media_device, "/dev/cdrom");
1578 log_msg(2, "CD-ROM device assumed to be at %s",
1579 bkpinfo->media_device);
1580 } else if ((bkpinfo->restore_data && (bkpinfo->backup_media_type != usb))
1581 || bkpinfo->backup_media_type == dvd) {
1582 if (!bkpinfo->media_device[0]) {
1583 strcpy(bkpinfo->media_device, "/dev/cdrom");
1584 } // just for the heck of it :)
1585 log_msg(1, "bkpinfo->media_device = %s",
1586 bkpinfo->media_device);
1587 if (bkpinfo->backup_media_type == dvd
1588 || find_cdrom_device(bkpinfo->media_device, FALSE)) {
1589 log_msg(1, "bkpinfo->media_device = %s",
1590 bkpinfo->media_device);
1591 sprintf(comment,
1592 "Please specify your %s drive's /dev entry", mds);
1593 if (!popup_and_get_string
1594 ("Device?", comment, bkpinfo->media_device,
1595 MAX_STR_LEN / 4)) {
1596 log_to_screen("User has chosen not to backup the PC");
1597 finish(1);
1598 }
1599 }
1600 log_msg(2, "%s device found at %s", mds, bkpinfo->media_device);
1601 } else {
1602 if ((find_cdrw_device(bkpinfo->media_device)) && (bkpinfo->backup_media_type != usb)) {
1603 bkpinfo->media_device[0] = '\0';
1604 }
1605 if (bkpinfo->media_device[0]) {
1606 if (bkpinfo->backup_media_type == usb) {
1607 mr_asprintf(&tmp, "I think your %s media corresponds to %s. Is this correct?", mds, bkpinfo->media_device);
1608 } else {
1609 mr_asprintf(&tmp, "I think I've found your %s burner at SCSI node %s. Is this correct? (Say no if you have an IDE burner and you are running a 2.6 kernel. You will then be prompted for further details.)", mds, bkpinfo->media_device);
1610 }
1611 if (!ask_me_yes_or_no(tmp)) {
1612 bkpinfo->media_device[0] = '\0';
1613 }
1614 mr_free(tmp);
1615 }
1616 if (!bkpinfo->media_device[0]) {
1617 if (bkpinfo->backup_media_type == usb) {
1618 i = popup_and_get_string("/dev entry?",
1619 "What is the /dev entry of your USB Disk/Key, please?",
1620 bkpinfo->media_device,
1621 MAX_STR_LEN / 4);
1622 } else {
1623 if (g_kernel_version < 2.6) {
1624 i = popup_and_get_string("Device node?",
1625 "What is the SCSI node of your CD (re)writer, please?",
1626 bkpinfo->media_device,
1627 MAX_STR_LEN / 4);
1628 } else {
1629 i = popup_and_get_string("/dev entry?",
1630 "What is the /dev entry of your CD (re)writer, please?",
1631 bkpinfo->media_device,
1632 MAX_STR_LEN / 4);
1633 }
1634 }
1635 if (!i) {
1636 log_to_screen("User has chosen not to backup the PC");
1637 finish(1);
1638 }
1639 }
1640 }
1641 mr_free(mds);
1642
1643 if (bkpinfo->backup_media_type == cdstream) {
1644 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1645 bkpinfo->media_size[i] = 650;
1646 }
1647 }
1648 break;
1649 case udev:
1650 if (!ask_me_yes_or_no
1651 ("This option is for advanced users only. Are you sure?")) {
1652 log_to_screen("User has chosen not to backup the PC");
1653 finish(1);
1654 }
1655 case tape:
1656
1657 if ((!bkpinfo->restore_mode) && (find_tape_device_and_size(bkpinfo->media_device, sz_size))) {
1658 log_msg(3, "Ok, using vanilla scsi tape.");
1659 strcpy(bkpinfo->media_device, VANILLA_SCSI_TAPE);
1660 if ((fin = fopen(bkpinfo->media_device, "r"))) {
1661 paranoid_fclose(fin);
1662 } else {
1663 strcpy(bkpinfo->media_device, "/dev/osst0");
1664 }
1665 }
1666 if (bkpinfo->media_device[0]) {
1667 if ((fin = fopen(bkpinfo->media_device, "r"))) {
1668 paranoid_fclose(fin);
1669 } else {
1670 if (does_file_exist("/tmp/mondo-restore.cfg")) {
1671 read_cfg_var("/tmp/mondo-restore.cfg", "media-dev",
1672 bkpinfo->media_device);
1673 }
1674 }
1675 }
1676 if (bkpinfo->media_device[0]) {
1677 mr_asprintf(&tmp, "I think I've found your tape streamer at %s; am I right on the money?", bkpinfo->media_device);
1678 if (!ask_me_yes_or_no(tmp)) {
1679 bkpinfo->media_device[0] = '\0';
1680 }
1681 mr_free(tmp);
1682 }
1683 if (!bkpinfo->media_device[0]) {
1684 if (!popup_and_get_string
1685 ("Device name?",
1686 "What is the /dev entry of your tape streamer?",
1687 bkpinfo->media_device, MAX_STR_LEN / 4)) {
1688 log_to_screen("User has chosen not to backup the PC");
1689 finish(1);
1690 }
1691 }
1692 mr_asprintf(&tmp, "ls -l %s", bkpinfo->media_device);
1693 if (run_program_and_log_output(tmp, FALSE)) {
1694 log_to_screen("User has not specified a valid /dev entry");
1695 finish(1);
1696 }
1697 mr_free(tmp);
1698 log_msg(4, "sz_size = %s", sz_size);
1699 sz_size[0] = '\0';
1700
1701 bkpinfo->use_obdr = ask_me_yes_or_no
1702 ("Do you want to activate OBDR support for your tapes ?");
1703 if (sz_size[0] == '\0') {
1704 bkpinfo->media_size[0] = 0;
1705 } else {
1706 bkpinfo->media_size[0] =
1707 friendly_sizestr_to_sizelong(sz_size) / 2 - 50;
1708 }
1709 log_msg(4, "media_size[0] = %ld", bkpinfo->media_size[0]);
1710 if (bkpinfo->media_size[0] <= 0) {
1711 bkpinfo->media_size[0] = 0;
1712 }
1713 for (i = 1; i <= MAX_NOOF_MEDIA; i++) {
1714 bkpinfo->media_size[i] = bkpinfo->media_size[0];
1715 }
1716 if (archiving_to_media) {
1717 if ((bkpinfo->compression_level =
1718 which_compression_level()) == -1) {
1719 log_to_screen("User has chosen not to backup the PC");
1720 finish(1);
1721 }
1722 }
1723 break;
1724
1725
1726
1727 case nfs:
1728 /* Never try to eject a NFS device */
1729 bkpinfo->please_dont_eject = TRUE;
1730
1731 /* Initiate bkpinfo nfs_mount path from running environment if not already done */
1732 if (!bkpinfo->nfs_mount[0]) {
1733 strcpy(bkpinfo->nfs_mount,
1734 call_program_and_get_last_line_of_output
1735 ("mount | grep \":\" | cut -d' ' -f1 | head -n1"));
1736 }
1737#ifdef __FreeBSD__
1738 if (TRUE)
1739#else
1740 if (!bkpinfo->disaster_recovery)
1741#endif
1742 {
1743 if (!popup_and_get_string
1744 ("NFS dir.",
1745 "Please enter path and directory where archives are stored remotely. (Mondo has taken a guess at the correct value. If it is incorrect, delete it and type the correct one.)",
1746 bkpinfo->nfs_mount, MAX_STR_LEN / 4)) {
1747 log_to_screen("User has chosen not to backup the PC");
1748 finish(1);
1749 }
1750 if (!bkpinfo->restore_data) {
1751 if ((bkpinfo->compression_level =
1752 which_compression_level()) == -1) {
1753 log_to_screen("User has chosen not to backup the PC");
1754 finish(1);
1755 }
1756 }
1757 // check whether already mounted - we better remove
1758 // surrounding spaces and trailing '/' for this
1759 strip_spaces(bkpinfo->nfs_mount);
1760 if (bkpinfo->nfs_mount[strlen(bkpinfo->nfs_mount) - 1] == '/')
1761 bkpinfo->nfs_mount[strlen(bkpinfo->nfs_mount) - 1] = '\0';
1762 sprintf(command, "mount | grep \"%s \" | cut -d' ' -f3",
1763 bkpinfo->nfs_mount);
1764 strcpy(bkpinfo->isodir,
1765 call_program_and_get_last_line_of_output(command));
1766
1767 if (!bkpinfo->restore_data) {
1768 sprintf(comment,
1769 "How much data (in Megabytes) will each media store?");
1770 if (!popup_and_get_string("Size", comment, sz_size, 5)) {
1771 log_to_screen("User has chosen not to backup the PC");
1772 finish(1);
1773 }
1774 } else {
1775 strcpy(sz_size, "0");
1776 }
1777 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1778 bkpinfo->media_size[i] = atoi(sz_size);
1779 }
1780 if (bkpinfo->media_size[0] < 0) {
1781 log_to_screen("User has chosen not to backup the PC");
1782 finish(1);
1783 }
1784 }
1785 if (bkpinfo->disaster_recovery) {
1786 sprintf(command ,"umount %s/isodir 2> /dev/null", bkpinfo->tmpdir);
1787 (void)system(command);
1788 if (!popup_and_get_string
1789 ("NFS share", "Which remote NFS share should I mount?",
1790 bkpinfo->nfs_mount, MAX_STR_LEN)) {
1791 log_to_screen("User has chosen not to backup the PC");
1792 finish(1);
1793 }
1794 }
1795 /* Initiate bkpinfo isodir path from running environment if mount already done */
1796 if (is_this_device_mounted(bkpinfo->nfs_mount)) {
1797 strcpy(bkpinfo->isodir,
1798 call_program_and_get_last_line_of_output
1799 ("mount | grep \":\" | cut -d' ' -f3 | head -n1"));
1800 } else {
1801 sprintf(bkpinfo->isodir, "%s/nfsdir", bkpinfo->tmpdir);
1802 sprintf(command, "mkdir -p %s", bkpinfo->isodir);
1803 run_program_and_log_output(command, 5);
1804 mr_asprintf(&tmp, "mount -t nfs -o nolock %s %s", bkpinfo->nfs_mount, bkpinfo->isodir);
1805 run_program_and_log_output(tmp, 3);
1806 mr_free(tmp);
1807
1808 malloc_string(g_selfmounted_isodir);
1809 strcpy(g_selfmounted_isodir, bkpinfo->isodir);
1810 }
1811 if (!is_this_device_mounted(bkpinfo->nfs_mount)) {
1812 popup_and_OK
1813 ("Please mount that partition before you try to backup to or restore from it.");
1814 finish(1);
1815 }
1816 mr_asprintf(&tmp, "%s", bkpinfo->nfs_remote_dir);
1817 if (!popup_and_get_string
1818 ("Directory", "Which directory within that mountpoint?", tmp,
1819 MAX_STR_LEN)) {
1820 log_to_screen("User has chosen not to backup the PC");
1821 finish(1);
1822 }
1823 strcpy(bkpinfo->nfs_remote_dir, tmp);
1824 mr_free(tmp);
1825
1826 // check whether writable - we better remove surrounding spaces for this
1827 strip_spaces(bkpinfo->nfs_remote_dir);
1828
1829 if (!popup_and_get_string
1830 ("Prefix.",
1831 "Please enter the prefix that will be prepended to your ISO filename. Example: machine1 to obtain machine1-[1-9]*.iso files",
1832 bkpinfo->prefix, MAX_STR_LEN / 4)) {
1833 log_to_screen("User has chosen not to backup the PC");
1834 finish(1);
1835 }
1836 log_msg(3, "prefix set to %s", bkpinfo->prefix);
1837
1838 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1839 bkpinfo->media_size[i] = 650;
1840 }
1841 log_msg(3, "Just set nfs_remote_dir to %s",
1842 bkpinfo->nfs_remote_dir);
1843 log_msg(3, "isodir is still %s", bkpinfo->isodir);
1844 break;
1845
1846 case iso:
1847 if (!bkpinfo->disaster_recovery) {
1848 if (!popup_and_get_string
1849 ("Storage dir.",
1850 "Please enter the full path name to the directory for your ISO images. Example: /mnt/raid0_0",
1851 bkpinfo->isodir, MAX_STR_LEN / 4)) {
1852 log_to_screen("User has chosen not to backup the PC");
1853 finish(1);
1854 }
1855 if (archiving_to_media) {
1856 if ((bkpinfo->compression_level =
1857 which_compression_level()) == -1) {
1858 log_to_screen("User has chosen not to backup the PC");
1859 finish(1);
1860 }
1861 if (!popup_and_get_string
1862 ("ISO size.",
1863 "Please enter how big you want each ISO image to be (in megabytes). This should be less than or equal to the size of the CD-R[W]'s or DVD's you plan to backup to.",
1864 sz_size, 16)) {
1865 log_to_screen("User has chosen not to backup the PC");
1866 finish(1);
1867 }
1868 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1869 bkpinfo->media_size[i] = atoi(sz_size);
1870 }
1871 } else {
1872 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1873 bkpinfo->media_size[i] = 650;
1874 }
1875 }
1876 }
1877 if (!popup_and_get_string
1878 ("Prefix.",
1879 "Please enter the prefix that will be prepended to your ISO filename. Example: machine1 to obtain machine1-[1-9]*.iso files",
1880 bkpinfo->prefix, MAX_STR_LEN / 4)) {
1881 log_to_screen("User has chosen not to backup the PC");
1882 finish(1);
1883 }
1884 log_msg(3, "prefix set to %s", bkpinfo->prefix);
1885 break;
1886 default:
1887 fatal_error
1888 ("I, Mojo Jojo, shall defeat those pesky Powerpuff Girls!");
1889 }
1890
1891 if (archiving_to_media) {
1892
1893#ifdef __FreeBSD__
1894 strcpy(bkpinfo->boot_device,
1895 call_program_and_get_last_line_of_output
1896 ("mount | grep ' / ' | head -1 | cut -d' ' -f1 | sed 's/\\([0-9]\\).*/\\1/'"));
1897#else
1898 strcpy(bkpinfo->boot_device,
1899 call_program_and_get_last_line_of_output
1900 ("mount | grep ' / ' | head -1 | cut -d' ' -f1 | sed 's/[0-9].*//'"));
1901#endif
1902 i = which_boot_loader(bkpinfo->boot_device);
1903 if (i == 'U') // unknown
1904 {
1905
1906#ifdef __FreeBSD__
1907 if (!popup_and_get_string
1908 ("Boot device",
1909 "What is your boot device? (e.g. /dev/ad0)",
1910 bkpinfo->boot_device, MAX_STR_LEN / 4)) {
1911 log_to_screen("User has chosen not to backup the PC");
1912 finish(1);
1913 }
1914 i = which_boot_loader(bkpinfo->boot_device);
1915#else
1916 if (!popup_and_get_string
1917 ("Boot device",
1918 "What is your boot device? (e.g. /dev/hda)",
1919 bkpinfo->boot_device, MAX_STR_LEN / 4)) {
1920 log_to_screen("User has chosen not to backup the PC");
1921 finish(1);
1922 }
1923 if (does_string_exist_in_boot_block
1924 (bkpinfo->boot_device, "LILO")) {
1925 i = 'L';
1926 } else
1927 if (does_string_exist_in_boot_block
1928 (bkpinfo->boot_device, "ELILO")) {
1929 i = 'E';
1930 } else
1931 if (does_string_exist_in_boot_block
1932 (bkpinfo->boot_device, "GRUB")) {
1933 i = 'G';
1934 } else {
1935 i = 'U';
1936 }
1937#endif
1938 if (i == 'U') {
1939 if (ask_me_yes_or_no
1940 ("Unidentified boot loader. Shall I restore it byte-for-byte at restore time and hope for the best?"))
1941 {
1942 i = 'R'; // raw
1943 } else {
1944 log_to_screen
1945 ("I cannot find your boot loader. Please run mondoarchive with parameters.");
1946 finish(1);
1947 }
1948 }
1949 }
1950 bkpinfo->boot_loader = i;
1951 strcpy(bkpinfo->include_paths, "/");
1952 if (!popup_and_get_string
1953 ("Backup paths",
1954 "Please enter paths which you want me to backup. The default is '/' (i.e. everything).",
1955 bkpinfo->include_paths, MAX_STR_LEN)) {
1956 log_to_screen("User has chosen not to backup the PC");
1957 finish(1);
1958 }
1959 mr_asprintf(&tmp, "%s", list_of_NFS_mounts_only());
1960 if (strlen(tmp) > 2) {
1961 if (bkpinfo->exclude_paths[0]) {
1962 strcat(bkpinfo->exclude_paths, " ");
1963 }
1964 strncpy(bkpinfo->exclude_paths, tmp, MAX_STR_LEN);
1965 }
1966 mr_free(tmp);
1967// NTFS
1968 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output("parted2fdisk -l | grep -i ntfs | awk '{ print $1};' | tr -s '\\n' ' ' | awk '{ print $0};'"));
1969 if (strlen(tmp) > 2) {
1970 if (!popup_and_get_string
1971 ("NTFS partitions",
1972 "Please enter/confirm the NTFS partitions you wish to backup as well.",
1973 tmp, MAX_STR_LEN / 4)) {
1974 log_to_screen("User has chosen not to backup the PC");
1975 finish(1);
1976 }
1977 strncpy(bkpinfo->image_devs, tmp, MAX_STR_LEN / 4);
1978 }
1979 mr_free(tmp);
1980
1981
1982 if (!popup_and_get_string
1983 ("Exclude paths",
1984 "Please enter paths which you do NOT want to backup. Separate them with spaces. NB: /tmp and /proc are always excluded. :-) Just hit 'Enter' if you want to do a full system backup.",
1985 bkpinfo->exclude_paths, (4*MAX_STR_LEN)-1)) {
1986 log_to_screen("User has chosen not to backup the PC");
1987 finish(1);
1988 }
1989 if (!popup_and_get_string
1990 ("Temporary directory",
1991 "Please enter your temporary directory.",
1992 bkpinfo->tmpdir, (4*MAX_STR_LEN)-1)) {
1993 log_to_screen("User has chosen not to backup the PC");
1994 finish(1);
1995 }
1996 if (!popup_and_get_string
1997 ("Scratch directory",
1998 "Please enter your scratch directory.",
1999 bkpinfo->scratchdir, (4*MAX_STR_LEN)-1)) {
2000 log_to_screen("User has chosen not to backup the PC");
2001 finish(1);
2002 }
2003// Interactive mode:
2004#ifdef __IA64__
2005 bkpinfo->make_cd_use_lilo = TRUE;
2006#else
2007 bkpinfo->make_cd_use_lilo = FALSE;
2008#endif
2009 bkpinfo->backup_data = TRUE;
2010 bkpinfo->verify_data =
2011 ask_me_yes_or_no
2012 ("Will you want to verify your backups after Mondo has created them?");
2013
2014#ifndef __FreeBSD__
2015 if (!ask_me_yes_or_no
2016 ("Are you confident that your kernel is a sane, sensible, standard Linux kernel? Say 'no' if you are using a Gentoo <1.4 or Debian <3.0, please."))
2017#endif
2018 {
2019 strcpy(bkpinfo->kernel_path, "FAILSAFE");
2020 }
2021
2022 if (!ask_me_yes_or_no
2023 ("Are you sure you want to proceed? Hit 'no' to abort.")) {
2024 log_to_screen("User has chosen not to backup the PC");
2025 finish(1);
2026 }
2027 } else {
2028 bkpinfo->restore_data = TRUE; // probably...
2029 }
2030
2031 if (bkpinfo->backup_media_type == iso
2032 || bkpinfo->backup_media_type == nfs) {
2033 g_ISO_restore_mode = TRUE;
2034 }
2035#ifdef __FreeSD__
2036// skip
2037#else
2038 if (bkpinfo->backup_media_type == nfs) {
2039 log_msg(3, "I think the NFS mount is mounted at %s",
2040 bkpinfo->isodir);
2041 }
2042 log_it("isodir = %s", bkpinfo->isodir);
2043 log_it("nfs_mount = '%s'", bkpinfo->nfs_mount);
2044 if (bkpinfo->nfs_user) {
2045 log_it("nfs_user = '%s'", bkpinfo->nfs_user);
2046 }
2047#endif
2048
2049 log_it("media device = %s", bkpinfo->media_device);
2050 log_it("media size = %ld", bkpinfo->media_size[1]);
2051 log_it("media type = %s",
2052 bkptype_to_string(bkpinfo->backup_media_type));
2053 log_it("prefix = %s", bkpinfo->prefix);
2054 log_it("compression = %ld", bkpinfo->compression_level);
2055 log_it("include_paths = '%s'", bkpinfo->include_paths);
2056 log_it("exclude_paths = '%s'", bkpinfo->exclude_paths);
2057 log_it("scratchdir = '%s'", bkpinfo->scratchdir);
2058 log_it("tmpdir = '%s'", bkpinfo->tmpdir);
2059 log_it("image_devs = '%s'", bkpinfo->image_devs);
2060 log_it("boot_device = '%s' (loader=%c)", bkpinfo->boot_device,
2061 bkpinfo->boot_loader);
2062 if (bkpinfo->media_size[0] < 0) {
2063 if (archiving_to_media) {
2064 fatal_error("Media size is less than zero.");
2065 } else {
2066 log_msg(2, "Warning - media size is less than zero.");
2067 bkpinfo->media_size[0] = 0;
2068 }
2069 }
2070 paranoid_free(sz_size);
2071 paranoid_free(command);
2072 paranoid_free(comment);
2073 paranoid_free(prompt);
2074 return (0);
2075}
2076
2077
2078
2079
2080/**
2081 * @addtogroup utilityGroup
2082 * @{
2083 */
2084/**
2085 * Get a space-separated list of NFS devices and mounts.
2086 * @return The list created.
2087 * @note The return value points to static data that will be overwritten with each call.
2088 */
2089char *list_of_NFS_devices_and_mounts(void)
2090{
2091 char *exclude_these_devices = NULL;
2092 char *exclude_these_directories = NULL;
2093 static char result_sz[1024];
2094
2095 mr_asprintf(&exclude_these_directories,"%s",list_of_NFS_mounts_only());
2096 mr_asprintf(&exclude_these_devices,"%s", call_program_and_get_last_line_of_output("tr -s '\t' ' ' < /etc/fstab | grep -E '( (coda|ncpfs|nfs|nfs4|smbfs|cifs|afs|gfs|ocfs|ocfs2|mvfs|nsspool|nsvol) )' | cut -d' ' -f1 | tr -s '\n' ' ' | awk '{print $0;}'"));
2097 snprintf(result_sz, 1023, "%s %s", exclude_these_directories, exclude_these_devices);
2098 mr_free(exclude_these_devices);
2099 mr_free(exclude_these_directories);
2100 return (result_sz);
2101}
2102
2103
2104
2105
2106/**
2107 * Get a space-separated list of NFS mounts.
2108 * @return The list created.
2109 * @note The return value points to static data that will be overwritten with each call.
2110 * @bug Even though we only want the mounts, the devices are still checked.
2111 */
2112char *list_of_NFS_mounts_only(void)
2113{
2114 char *exclude_these_directories = NULL;
2115 static char result_sz[512];
2116
2117 mr_asprintf(&exclude_these_directories,"%s", call_program_and_get_last_line_of_output("mount -t coda,ncpfs,nfs,nfs4,smbfs,cifs,afs,gfs,ocfs,ocfs2,mvfs,nsspool,nssvol | tr -s '\t' ' ' | cut -d' ' -f3 | tr -s '\n' ' ' | awk '{print $0;}'"));
2118 snprintf(result_sz, 511, "%s", exclude_these_directories);
2119 mr_free(exclude_these_directories);
2120 return (result_sz);
2121}
2122
2123/* @} - end of utilityGroup */
2124
2125
2126
2127
2128
2129/**
2130 * Create a randomly-named FIFO. The format is @p stub "." [random] [random] where
2131 * [random] is a random number between 1 and 32767.
2132 * @param store_name_here Where to store the new filename.
2133 * @param stub A random number will be appended to this to make the FIFO's name.
2134 * @ingroup deviceGroup
2135 */
2136void make_fifo(char *store_name_here, char *stub)
2137{
2138 char *tmp;
2139
2140 malloc_string(tmp);
2141 assert_string_is_neither_NULL_nor_zerolength(stub);
2142
2143 sprintf(store_name_here, "%s%d%d", stub, (int) (random() % 32768),
2144 (int) (random() % 32768));
2145 make_hole_for_file(store_name_here);
2146 mkfifo(store_name_here, S_IRWXU | S_IRWXG);
2147 sprintf(tmp, "chmod 770 %s", store_name_here);
2148 paranoid_system(tmp);
2149 paranoid_free(tmp);
2150}
2151
2152
2153
2154
2155
2156
2157/**
2158 * Set the tmpdir and scratchdir to reside on the partition with the most free space.
2159 * Automatically excludes DOS, NTFS, SMB, and NFS filesystems.
2160 * @param bkpinfo The backup information structure. @c bkpinfo->tmpdir and @c bkpinfo->scratchdir will be set.
2161 * @ingroup utilityGroup
2162 */
2163void sensibly_set_tmpdir_and_scratchdir()
2164{
2165 char *tmp = NULL;
2166 char *command = NULL;
2167 char *sz = NULL;
2168
2169 assert(bkpinfo != NULL);
2170
2171#ifdef __FreeBSD__
2172 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output("LANGUAGE=C df -m -P -t nonfs,msdosfs,ntfs,ntfs-3g,smbfs,smb,cifs,afs,gfs,ocfs,ocfs2,mvfs,nsspool,nssvol | tr -s '\t' ' ' | grep -vE \"none|Filesystem\" | awk '{printf \"%s %s\\n\", $4, $6;}' | sort -n | tail -n1 | awk '{print $NF;}'"));
2173#else
2174 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output("LANGUAGE=C df -m -P -x nfs -x nfs4 -x vfat -x ntfs -x ntfs-3g -x smbfs -x smb -x cifs -x afs -x gfs -x ocfs -x ocfs2 -x mvfs -x nsspool -x nssvol -x iso9660| sed 's/ /devdev/' | tr -s '\t' ' ' | grep -vE \"none|Filesystem|/dev/shm\" | awk '{printf \"%s %s\\n\", $4, $6;}' | sort -n | tail -n1 | awk '{print $NF;}'"));
2175#endif
2176
2177 if (tmp[0] != '/') {
2178 mr_asprintf(&sz, "%s", tmp);
2179 paranoid_free(tmp);
2180 mr_asprintf(&tmp, "/%s", sz);
2181 mr_free(sz);
2182 }
2183 if (!tmp[0]) {
2184 fatal_error("I couldn't figure out the tempdir!");
2185 }
2186 setup_tmpdir(tmp);
2187 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
2188
2189 sprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%d", tmp,
2190 (int) (random() % 32768));
2191 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
2192
2193 mr_asprintf(&command, "rm -Rf %s/tmp.mondo.* %s/mondo.scratch.*", tmp, tmp);
2194 paranoid_free(tmp);
2195
2196 paranoid_system(command);
2197 mr_free(command);
2198}
2199
2200
2201
2202
2203
2204
2205/**
2206 * @addtogroup deviceGroup
2207 * @{
2208 */
2209/**
2210 * If we can read @p dev, set @p output to it.
2211 * If @p dev cannot be read, set @p output to "".
2212 * @param dev The device to check for.
2213 * @param output Set to @p dev if @p dev exists, "" otherwise.
2214 * @return TRUE if @p dev exists, FALSE if it doesn't.
2215 */
2216bool set_dev_to_this_if_rx_OK(char *output, char *dev)
2217{
2218 char *command;
2219
2220 malloc_string(command);
2221 if (!dev || dev[0] == '\0') {
2222 output[0] = '\0';
2223 return (FALSE);
2224 }
2225// assert_string_is_neither_NULL_nor_zerolength(dev);
2226 log_msg(10, "Injecting %s", dev);
2227 inject_device(dev);
2228 if (!does_file_exist(dev)) {
2229 log_msg(10, "%s doesn't exist. Returning FALSE.", dev);
2230 return (FALSE);
2231 }
2232 sprintf(command, "dd bs=%ld count=1 if=%s of=/dev/null &> /dev/null",
2233 512L, dev);
2234 if (!run_program_and_log_output(command, FALSE)
2235 && !run_program_and_log_output(command, FALSE)) {
2236 strcpy(output, dev);
2237 log_msg(4, "Found it - %s", dev);
2238 return (TRUE);
2239 } else {
2240 output[0] = '\0';
2241 log_msg(4, "It's not %s", dev);
2242 return (FALSE);
2243 }
2244}
2245
2246
2247
2248
2249
2250/**
2251 * Find out what number CD is in the drive.
2252 * @param bkpinfo The backup information structure. The @c bkpinfo->media_device field is the only one used.
2253 * @return The current CD number, or -1 if it could not be found.
2254 * @note If the CD is not mounted, it will be mounted
2255 * (and remain mounted after this function returns).
2256 */
2257int what_number_cd_is_this()
2258{
2259 int cd_number = -1;
2260 char *mountdev = NULL;
2261 char *tmp = NULL;
2262
2263 assert(bkpinfo != NULL);
2264// log_it("Asking what_number_cd_is_this");
2265 if (g_ISO_restore_mode) {
2266 mr_asprintf(&tmp, "mount | grep iso9660 | awk '{print $3;}'");
2267
2268 mr_asprintf(&mountdev, "%s%s", call_program_and_get_last_line_of_output(tmp), "/archives/THIS-CD-NUMBER");
2269 cd_number = atoi(last_line_of_file(mountdev));
2270 paranoid_free(mountdev);
2271 paranoid_free(tmp);
2272
2273 return (cd_number);
2274 }
2275
2276 mr_asprintf(&mountdev, "%s", bkpinfo->media_device);
2277 if (!mountdev[0]) {
2278 log_it
2279 ("(what_number_cd_is_this) Warning - media_device unknown. Finding out...");
2280 find_cdrom_device(bkpinfo->media_device, FALSE);
2281 }
2282 if (!is_this_device_mounted(MNT_CDROM)) {
2283 if (bkpinfo->backup_media_type == usb) {
2284 mount_USB_here(mountdev, MNT_CDROM);
2285 } else {
2286 mount_CDROM_here(mountdev, MNT_CDROM);
2287 }
2288 }
2289 paranoid_free(mountdev);
2290
2291 cd_number = atoi(last_line_of_file(MNT_CDROM "/archives/THIS-CD-NUMBER"));
2292 return (cd_number);
2293}
2294
2295
2296
2297
2298
2299
2300
2301/**
2302 * Find out what device is mounted as root (/).
2303 * @return Root device.
2304 * @note The returned string points to static storage and will be overwritten with every call.
2305 * @bug A bit of a misnomer; it's actually finding out the root device.
2306 * The mountpoint (where it's mounted) will obviously be '/'.
2307 */
2308char *where_is_root_mounted()
2309{
2310 /*@ buffers **************** */
2311 static char tmp[MAX_STR_LEN];
2312
2313
2314#ifdef __FreeBSD__
2315 strcpy(tmp, call_program_and_get_last_line_of_output
2316 ("mount | grep \" on / \" | cut -d' ' -f1"));
2317#else
2318 strcpy(tmp, call_program_and_get_last_line_of_output
2319 ("mount | grep \" on / \" | cut -d' ' -f1 | sed s/[0-9]// | sed s/[0-9]//"));
2320 if (strstr(tmp, "/dev/cciss/")) {
2321 strcpy(tmp, call_program_and_get_last_line_of_output
2322 ("mount | grep \" on / \" | cut -d' ' -f1 | cut -dp -f1"));
2323 }
2324 if (strstr(tmp, "/dev/md")) {
2325 strcpy(tmp,
2326 call_program_and_get_last_line_of_output
2327 ("mount | grep \" on / \" | cut -d' ' -f1"));
2328 }
2329#endif
2330
2331 return (tmp);
2332}
2333
2334
2335/**
2336 * Find out which boot loader is in use.
2337 * @param which_device Device to look for the boot loader on.
2338 * @return 'L' for LILO, 'E'for ELILO, 'G' for GRUB, 'B' or 'D' for FreeBSD boot loaders, or 'U' for Unknown.
2339 * @note Under Linux, all drives are examined, not just @p which_device.
2340 */
2341#ifdef __FreeBSD__
2342char which_boot_loader(char *which_device)
2343{
2344 int count_lilos = 0;
2345 int count_grubs = 0;
2346 int count_boot0s = 0;
2347 int count_dangerouslydedicated = 0;
2348
2349 log_it("looking at drive %s's MBR", which_device);
2350 if (does_string_exist_in_boot_block(which_device, "GRUB")) {
2351 count_grubs++;
2352 }
2353 if (does_string_exist_in_boot_block(which_device, "LILO")) {
2354 count_lilos++;
2355 }
2356 if (does_string_exist_in_boot_block(which_device, "Drive")) {
2357 count_boot0s++;
2358 }
2359 if (does_string_exist_in_first_N_blocks
2360 (which_device, "FreeBSD/i386", 17)) {
2361 count_dangerouslydedicated++;
2362 }
2363 log_it("%d grubs and %d lilos and %d elilos and %d boot0s and %d DD\n",
2364 count_grubs, count_lilos, count_elilos, count_boot0s,
2365 count_dangerouslydedicated);
2366
2367 if (count_grubs && !count_lilos) {
2368 return ('G');
2369 } else if (count_lilos && !count_grubs) {
2370 return ('L');
2371 } else if (count_grubs == 1 && count_lilos == 1) {
2372 log_it("I'll bet you used to use LILO but switched to GRUB...");
2373 return ('G');
2374 } else if (count_boot0s == 1) {
2375 return ('B');
2376 } else if (count_dangerouslydedicated) {
2377 return ('D');
2378 } else {
2379 log_it("Unknown boot loader");
2380 return ('U');
2381 }
2382}
2383
2384#else
2385
2386char which_boot_loader(char *which_device)
2387{
2388 /*@ buffer ***************************************************** */
2389 char *list_drives_cmd = NULL;
2390 char *current_drive;
2391
2392 /*@ pointers *************************************************** */
2393 FILE *pdrives;
2394
2395 /*@ int ******************************************************** */
2396 int count_lilos = 0;
2397 int count_grubs = 0;
2398
2399 /*@ end vars *************************************************** */
2400
2401 malloc_string(current_drive);
2402
2403#ifdef __IA64__
2404 /* No choice for it */
2405 return ('E');
2406#endif
2407 assert(which_device != NULL);
2408
2409 mr_asprintf(&list_drives_cmd, "parted2fdisk -l 2>/dev/null | grep \"/dev/.*:\" | tr -s ':' ' ' | tr -s ' ' '\n' | grep /dev/; echo %s", where_is_root_mounted());
2410 log_it("list_drives_cmd = %s", list_drives_cmd);
2411
2412 if (!(pdrives = popen(list_drives_cmd, "r"))) {
2413 log_OS_error("Unable to open list of drives");
2414 mr_free(list_drives_cmd);
2415 paranoid_free(current_drive);
2416 return ('\0');
2417 }
2418 mr_free(list_drives_cmd);
2419
2420 for ((void)fgets(current_drive, MAX_STR_LEN, pdrives); !feof(pdrives);
2421 (void)fgets(current_drive, MAX_STR_LEN, pdrives)) {
2422 strip_spaces(current_drive);
2423 log_it("looking at drive %s's MBR", current_drive);
2424 if (does_string_exist_in_boot_block(current_drive, "GRUB")) {
2425 count_grubs++;
2426 strcpy(which_device, current_drive);
2427 break;
2428 }
2429 if (does_string_exist_in_boot_block(current_drive, "LILO")) {
2430 count_lilos++;
2431 strcpy(which_device, current_drive);
2432 break;
2433 }
2434 }
2435 if (pclose(pdrives)) {
2436 log_OS_error("Cannot pclose pdrives");
2437 }
2438 log_it("%d grubs and %d lilos\n", count_grubs, count_lilos);
2439 if (count_grubs && !count_lilos) {
2440 paranoid_free(current_drive);
2441 return ('G');
2442 } else if (count_lilos && !count_grubs) {
2443 paranoid_free(current_drive);
2444 return ('L');
2445 } else if (count_grubs == 1 && count_lilos == 1) {
2446 log_it("I'll bet you used to use LILO but switched to GRUB...");
2447 paranoid_free(current_drive);
2448 return ('G');
2449 } else {
2450 // We need to look on each partition then
2451 mr_asprintf(&list_drives_cmd, "parted2fdisk -l 2>/dev/null | grep -E \"^/dev/\" | tr -s ':' ' ' | tr -s ' ' '\n' | grep /dev/");
2452 log_it("list_drives_cmd = %s", list_drives_cmd);
2453
2454 if (!(pdrives = popen(list_drives_cmd, "r"))) {
2455 log_OS_error("Unable to open list of drives");
2456 mr_free(list_drives_cmd);
2457 paranoid_free(current_drive);
2458 return ('\0');
2459 }
2460 mr_free(list_drives_cmd);
2461
2462 for ((void)fgets(current_drive, MAX_STR_LEN, pdrives); !feof(pdrives);
2463 (void)fgets(current_drive, MAX_STR_LEN, pdrives)) {
2464 strip_spaces(current_drive);
2465 log_it("looking at partition %s's BR", current_drive);
2466 if (does_string_exist_in_boot_block(current_drive, "GRUB")) {
2467 count_grubs++;
2468 strcpy(which_device, current_drive);
2469 break;
2470 }
2471 if (does_string_exist_in_boot_block(current_drive, "LILO")) {
2472 count_lilos++;
2473 strcpy(which_device, current_drive);
2474 break;
2475 }
2476 }
2477 if (pclose(pdrives)) {
2478 log_OS_error("Cannot pclose pdrives");
2479 }
2480 log_it("%d grubs and %d lilos\n", count_grubs, count_lilos);
2481 paranoid_free(current_drive);
2482 if (count_grubs && !count_lilos) {
2483 return ('G');
2484 } else if (count_lilos && !count_grubs) {
2485 return ('L');
2486 } else if (count_grubs == 1 && count_lilos == 1) {
2487 log_it("I'll bet you used to use LILO but switched to GRUB...");
2488 return ('G');
2489 } else {
2490 log_it("Unknown boot loader");
2491 return ('U');
2492 }
2493 }
2494}
2495#endif
2496
2497
2498
2499
2500/**
2501 * Write zeroes over the first 16K of @p device.
2502 * @param device The device to zero.
2503 * @return 0 for success, 1 for failure.
2504 */
2505int zero_out_a_device(char *device)
2506{
2507 FILE *fout;
2508 int i;
2509
2510 assert_string_is_neither_NULL_nor_zerolength(device);
2511
2512 log_it("Zeroing drive %s", device);
2513 if (!(fout = fopen(device, "w"))) {
2514 log_OS_error("Unable to open/write to device");
2515 return (1);
2516 }
2517 for (i = 0; i < 16384; i++) {
2518 fputc('\0', fout);
2519 }
2520 paranoid_fclose(fout);
2521 log_it("Device successfully zeroed.");
2522 return (0);
2523}
2524
2525/**
2526 * Return the device pointed to by @p incoming.
2527 * @param incoming The device to resolve symlinks for.
2528 * @return The path to the real device file.
2529 * @note The returned string points to static storage that will be overwritten with each call.
2530 * @bug Won't work with file v4.0; needs to be written in C.
2531 */
2532char *resolve_softlinks_to_get_to_actual_device_file(char *incoming)
2533{
2534 static char output[MAX_STR_LEN];
2535 char *command;
2536 char *curr_fname;
2537 char *scratch = NULL;
2538 char *tmp = NULL;
2539 char *p;
2540
2541 struct stat statbuf;
2542 command = malloc(1000);
2543 malloc_string(curr_fname);
2544 if (!does_file_exist(incoming)) {
2545 log_it
2546 ("resolve_softlinks_to_get_to_actual_device_file --- device not found");
2547 strcpy(output, incoming);
2548 } else {
2549 strcpy(curr_fname, incoming);
2550 lstat(curr_fname, &statbuf);
2551 while (S_ISLNK(statbuf.st_mode)) {
2552 log_msg(1, "curr_fname = %s", curr_fname);
2553 sprintf(command, "file %s", curr_fname);
2554 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
2555 for (p = tmp + strlen(tmp); p != tmp && *p != '`' && *p != ' ';
2556 p--);
2557 p++;
2558 mr_asprintf(&scratch, "%s", p);
2559 for (p = scratch; *p != '\0' && *p != '\''; p++);
2560 *p = '\0';
2561 log_msg(0, "curr_fname %s --> '%s' --> %s", curr_fname, tmp, scratch);
2562 mr_free(tmp);
2563
2564 if (scratch[0] == '/') {
2565 strcpy(curr_fname, scratch); // copy whole thing because it's an absolute softlink
2566 } else { // copy over the basename cos it's a relative softlink
2567 p = curr_fname + strlen(curr_fname);
2568 while (p != curr_fname && *p != '/') {
2569 p--;
2570 }
2571 if (*p == '/') {
2572 p++;
2573 }
2574 strcpy(p, scratch);
2575 }
2576 mr_free(scratch);
2577 lstat(curr_fname, &statbuf);
2578 }
2579 strcpy(output, curr_fname);
2580 log_it("resolved %s to %s", incoming, output);
2581 }
2582 paranoid_free(command);
2583 paranoid_free(curr_fname);
2584 return (output);
2585}
2586
2587/* @} - end of deviceGroup */
2588
2589
2590/**
2591 * Return the type of partition format (GPT or MBR)
2592 */
2593char *which_partition_format(const char *drive)
2594{
2595 static char output[4];
2596 char *tmp = NULL;
2597 char *command;
2598 char *fdisk;
2599#ifdef __IA64__
2600 struct stat buf;
2601#endif
2602 malloc_string(command);
2603 malloc_string(fdisk);
2604 log_msg(0, "Looking for partition table format type");
2605 sprintf(fdisk, "/sbin/parted2fdisk");
2606 log_msg(1, "Using %s", fdisk);
2607 sprintf(command, "%s -l %s | grep 'EFI GPT'", fdisk, drive);
2608 mr_asprintf(&tmp, "%s", call_program_and_get_last_line_of_output(command));
2609 if (strstr(tmp, "GPT") == NULL) {
2610 strcpy(output, "MBR");
2611 } else {
2612 strcpy(output, "GPT");
2613 }
2614 mr_free(tmp);
2615
2616 log_msg(0, "Found %s partition table format type", output);
2617 paranoid_free(command);
2618 paranoid_free(fdisk);
2619 return (output);
2620}
2621
2622/* @} - end of deviceGroup */
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