source: MondoRescue/branches/2.2.9/mondo/src/common/libmondo-devices.c@ 2242

Last change on this file since 2242 was 2242, checked in by Bruno Cornec, 15 years ago

r3145@localhost: bruno | 2009-06-29 17:18:58 +0200

  • Remove 2 memory leaks and change the behavoir for function media_descriptor_string which now allocates the string it returns (which needs to be free by the caller)
  • Property svn:keywords set to Id
File size: 70.3 KB
Line 
1/* libmondo-devices.c Subroutines for handling devices
2 $Id: libmondo-devices.c 2242 2009-06-29 17:19:18Z 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 2242 2009-06-29 17:19:18Z 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",
1151 SWAPLIST_COMMAND, device_with_space);
1152 log_msg(4, "tmp (command) = '%s'", tmp);
1153 if (!system(tmp)) {
1154 retval = TRUE;
1155 }
1156 mr_free(tmp);
1157 paranoid_free(incoming);
1158 return(retval);
1159}
1160
1161#ifdef __FreeBSD__
1162// CODE IS FREEBSD-SPECIFIC
1163/**
1164 * Create a loopback device for specified @p fname.
1165 * @param fname The file to associate with a device.
1166 * @return /dev entry for the device, or NULL if it couldn't be allocated.
1167 */
1168char *make_vn(char *fname)
1169{
1170 char *device = (char *) malloc(MAX_STR_LEN);
1171 char *mddevice = (char *) malloc(32);
1172 char command[MAX_STR_LEN];
1173 int vndev = 2;
1174 if (atoi
1175 (call_program_and_get_last_line_of_output
1176 ("/sbin/sysctl -n kern.osreldate")) < 500000) {
1177 do {
1178 sprintf(mddevice, "vn%ic", vndev++);
1179 sprintf(command, "vnconfig %s %s", mddevice, fname);
1180 if (vndev > 10) {
1181 return NULL;
1182 }
1183 }
1184 while (system(command));
1185 } else {
1186 sprintf(command, "mdconfig -a -t vnode -f %s", fname);
1187 mddevice = call_program_and_get_last_line_of_output(command);
1188 if (!strstr(mddevice, "md")) {
1189 return NULL;
1190 }
1191 }
1192 sprintf(device, "/dev/%s", mddevice);
1193 return device;
1194}
1195
1196
1197
1198// CODE IS FREEBSD-SPECIFIC
1199/**
1200 * Deallocate specified @p dname.
1201 * This should be called when you are done with the device created by make_vn(),
1202 * so the system does not run out of @c vn devices.
1203 * @param dname The device to deallocate.
1204 * @return 0 for success, nonzero for failure.
1205 */
1206int kick_vn(char *dname)
1207{
1208 char command[MAX_STR_LEN];
1209
1210 if (strncmp(dname, "/dev/", 5) == 0) {
1211 dname += 5;
1212 }
1213
1214 if (atoi
1215 (call_program_and_get_last_line_of_output
1216 ("/sbin/sysctl -n kern.osreldate")) < 500000) {
1217 sprintf(command, "vnconfig -d %s", dname);
1218 return system(command);
1219 } else {
1220 sprintf(command, "mdconfig -d -u %s", dname);
1221 return system(command);
1222 }
1223 /*NOTREACHED*/ return 255;
1224}
1225#endif
1226
1227
1228/**
1229 * Mount the CD-ROM at @p mountpoint.
1230 * @param device The device (or file if g_ISO_restore_mode) to mount.
1231 * @param mountpoint The place to mount it.
1232 * @return 0 for success, nonzero for failure.
1233 */
1234int mount_USB_here(char *device, char *mountpoint)
1235{
1236 /*@ buffer ****************************************************** */
1237 char *command;
1238 int retval;
1239
1240 malloc_string(command);
1241 assert_string_is_neither_NULL_nor_zerolength(device);
1242 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
1243
1244 make_hole_for_dir(mountpoint);
1245 if (isdigit(device[0])) {
1246 return(1);
1247 }
1248 log_msg(4, "(mount_USB_here --- device=%s, mountpoint=%s", device,
1249 mountpoint);
1250
1251#ifdef __FreeBSD__
1252 sprintf(command, "mount_vfat %s %s 2>> %s",
1253 device, mountpoint, MONDO_LOGFILE);
1254
1255#else
1256 sprintf(command, "mount %s -t vfat %s 2>> %s",
1257 device, mountpoint, MONDO_LOGFILE);
1258#endif
1259
1260 log_msg(4, command);
1261 retval = system(command);
1262 log_msg(1, "system(%s) returned %d", command, retval);
1263
1264 paranoid_free(command);
1265 return (retval);
1266}
1267
1268/**
1269 * Mount the CD-ROM at @p mountpoint.
1270 * @param device The device (or file if g_ISO_restore_mode) to mount.
1271 * @param mountpoint The place to mount it.
1272 * @return 0 for success, nonzero for failure.
1273 */
1274int mount_CDROM_here(char *device, char *mountpoint)
1275{
1276 /*@ buffer ****************************************************** */
1277 char *command = NULL;
1278 int retval;
1279
1280 assert_string_is_neither_NULL_nor_zerolength(device);
1281 assert_string_is_neither_NULL_nor_zerolength(mountpoint);
1282
1283 make_hole_for_dir(mountpoint);
1284
1285#ifdef __FreeBSD__
1286 char *dev = NULL;
1287#else
1288 char *options = NULL;
1289 mr_asprintf(&options, "ro");
1290#endif
1291
1292 if (isdigit(device[0])) {
1293 find_cdrom_device(device, FALSE);
1294 }
1295 if (g_ISO_restore_mode) {
1296
1297#ifdef __FreeBSD__
1298 mr_asprintf(&dev, make_vn(device));
1299 if (!dev) {
1300 mr_asprintf(&command, "Unable to mount ISO (make_vn(%s) failed)", device);
1301 fatal_error(command);
1302 }
1303 strcpy(device, dev);
1304 paranoid_free(dev);
1305#else
1306 mr_strcat(options, ",loop");
1307#endif
1308
1309 }
1310 log_msg(4, "(mount_CDROM_here --- device=%s, mountpoint=%s", device,
1311 mountpoint);
1312 /*@ end vars *************************************************** */
1313
1314#ifdef __FreeBSD__
1315 mr_asprintf(&command, "mount_cd9660 -r %s %s 2>> %s",
1316 device, mountpoint, MONDO_LOGFILE);
1317
1318#else
1319 mr_asprintf(&command, "mount %s -o %s -t iso9660 %s 2>> %s",
1320 device, options, mountpoint, MONDO_LOGFILE);
1321 paranoid_free(options);
1322#endif
1323
1324 log_msg(4, command);
1325 if (strncmp(device, "/dev/", 5) == 0) {
1326 retract_CD_tray_and_defeat_autorun();
1327 }
1328 retval = system(command);
1329 log_msg(1, "system(%s) returned %d", command, retval);
1330 paranoid_free(command);
1331
1332 return (retval);
1333}
1334
1335
1336
1337
1338
1339
1340/**
1341 * Ask the user for CD number @p cd_number_i_want.
1342 * Sets g_current_media_number once the correct CD is inserted.
1343 * @param bkpinfo The backup information structure. Fields used:
1344 * - @c bkpinfo->backup_media_type
1345 * - @c bkpinfo->prefix
1346 * - @c bkpinfo->isodir
1347 * - @c bkpinfo->media_device
1348 * - @c bkpinfo->please_dont_eject_when_restoring
1349 * @param cd_number_i_want The CD number to ask for.
1350 */
1351void
1352insist_on_this_cd_number(int cd_number_i_want)
1353{
1354
1355 /*@ int ************************************************************* */
1356 int res = 0;
1357
1358
1359 /*@ buffers ********************************************************* */
1360 char *tmp;
1361 char *mds = NULL;
1362 char *request;
1363
1364 assert(bkpinfo != NULL);
1365 assert(cd_number_i_want > 0);
1366
1367// log_msg(3, "Insisting on CD number %d", cd_number_i_want);
1368
1369 if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
1370 log_msg(3,
1371 "No need to insist_on_this_cd_number when the backup type isn't CD-R(W) or NFS or ISO");
1372 return;
1373 }
1374 malloc_string(tmp);
1375 malloc_string(request);
1376 sprintf(tmp, "mkdir -p " MNT_CDROM);
1377 run_program_and_log_output(tmp, 5);
1378 if (g_ISO_restore_mode || bkpinfo->backup_media_type == iso
1379 || bkpinfo->backup_media_type == nfs) {
1380 log_msg(3, "Remounting CD");
1381 g_ISO_restore_mode = TRUE;
1382// FIXME --- I'm tempted to do something about this...
1383// Why unmount and remount again and again?
1384 if (is_this_device_mounted(MNT_CDROM)) {
1385 run_program_and_log_output("umount " MNT_CDROM, 5);
1386 }
1387 sprintf(tmp, "mkdir -p %s/isodir &> /dev/null", bkpinfo->tmpdir);
1388 (void)system(tmp);
1389 sprintf(tmp, "%s/%s/%s-%d.iso", bkpinfo->isodir,
1390 bkpinfo->nfs_remote_dir, bkpinfo->prefix,
1391 cd_number_i_want);
1392 if (!does_file_exist(tmp)) {
1393 sprintf(tmp, "%s/isodir/%s/%s-%d.iso", bkpinfo->tmpdir,
1394 bkpinfo->nfs_remote_dir, bkpinfo->prefix,
1395 cd_number_i_want);
1396 if (does_file_exist(tmp)) {
1397 log_msg(1,
1398 "FIXME - hacking bkpinfo->isodir from '%s' to %s/isodir",
1399 bkpinfo->isodir, bkpinfo->tmpdir);
1400 sprintf(bkpinfo->isodir, "%s/isodir", bkpinfo->tmpdir);
1401 }
1402 }
1403 log_msg(3, "Mounting %s at %s", tmp, MNT_CDROM);
1404 if (mount_CDROM_here(tmp, MNT_CDROM)) {
1405 fatal_error("Mommy!");
1406 }
1407// g_current_media_number = cd_number_i_want;
1408// return;
1409 }
1410 if ((res = what_number_cd_is_this()) != cd_number_i_want) {
1411 log_msg(3, "Currently, we hold %d but we want %d", res,
1412 cd_number_i_want);
1413 mds = media_descriptor_string(bkpinfo->backup_media_type);
1414 sprintf(tmp, "Insisting on %s #%d", mds, cd_number_i_want);
1415 sprintf(request, "Please insert %s #%d and press Enter.", mds, cd_number_i_want);
1416 mr_free(mds);
1417 log_msg(3, tmp);
1418 while (what_number_cd_is_this() != cd_number_i_want) {
1419 paranoid_system("sync");
1420 if (is_this_device_mounted(MNT_CDROM)) {
1421 res =
1422 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1423 } else {
1424 res = 0;
1425 }
1426 if (res) {
1427 log_to_screen("WARNING - failed to unmount CD-ROM drive");
1428 }
1429 if (!bkpinfo->please_dont_eject) {
1430 res = eject_device(bkpinfo->media_device);
1431 } else {
1432 res = 0;
1433 }
1434 if (res) {
1435 log_to_screen("WARNING - failed to eject CD-ROM disk");
1436 }
1437 popup_and_OK(request);
1438 if (!bkpinfo->please_dont_eject) {
1439 inject_device(bkpinfo->media_device);
1440 }
1441 paranoid_system("sync");
1442 }
1443 log_msg(1, "Thankyou. Proceeding...");
1444 g_current_media_number = cd_number_i_want;
1445 }
1446 paranoid_free(tmp);
1447 paranoid_free(request);
1448}
1449
1450/* @} - end of deviceGroup */
1451
1452
1453
1454
1455
1456
1457/**
1458 * Ask user for details of backup/restore information.
1459 * Called when @c mondoarchive doesn't get any parameters.
1460 * @param bkpinfo The backup information structure to fill out with the user's data.
1461 * @param archiving_to_media TRUE if archiving, FALSE if restoring.
1462 * @return 0, always.
1463 * @bug No point of `int' return value.
1464 * @ingroup archiveGroup
1465 */
1466int interactively_obtain_media_parameters_from_user(bool archiving_to_media)
1467// archiving_to_media is TRUE if I'm being called by mondoarchive
1468// archiving_to_media is FALSE if I'm being called by mondorestore
1469{
1470 char *tmp = NULL;
1471 char *mds = NULL;
1472 char *sz_size;
1473 char *command;
1474 char *comment;
1475 char *prompt;
1476 int i;
1477 FILE *fin;
1478
1479 malloc_string(sz_size);
1480 malloc_string(command);
1481 malloc_string(comment);
1482 malloc_string(prompt);
1483 assert(bkpinfo != NULL);
1484 sz_size[0] = '\0';
1485 bkpinfo->nonbootable_backup = FALSE;
1486
1487 // Tape, CD, NFS, ...?
1488 srandom(getpid());
1489 bkpinfo->backup_media_type =
1490 (g_restoring_live_from_cd) ? cdr :
1491 which_backup_media_type(bkpinfo->restore_data);
1492 if (bkpinfo->backup_media_type == none) {
1493 log_to_screen("User has chosen not to backup the PC");
1494 finish(1);
1495 }
1496 /* Why asking to remove the media with tape ?
1497 if (bkpinfo->backup_media_type == tape && bkpinfo->restore_data) {
1498 popup_and_OK("Please remove media from drive(s)");
1499 }
1500 */
1501 log_msg(3, "media type = %s",
1502 bkptype_to_string(bkpinfo->backup_media_type));
1503 if (archiving_to_media) {
1504 sensibly_set_tmpdir_and_scratchdir();
1505 }
1506 bkpinfo->cdrw_speed = (bkpinfo->backup_media_type == cdstream) ? 2 : 4;
1507 bkpinfo->compression_level =
1508 (bkpinfo->backup_media_type == cdstream) ? 1 : 5;
1509 bkpinfo->use_lzo =
1510 (bkpinfo->backup_media_type == cdstream) ? TRUE : FALSE;
1511 mvaddstr_and_log_it(2, 0, " ");
1512
1513 // Find device's /dev (or SCSI) entry
1514 switch (bkpinfo->backup_media_type) {
1515 case cdr:
1516 case cdrw:
1517 case dvd:
1518 case usb:
1519 /* Never try to eject a USB device */
1520 if (bkpinfo->backup_media_type == usb) {
1521 bkpinfo->please_dont_eject = TRUE;
1522 }
1523 if (archiving_to_media) {
1524 if ((bkpinfo->backup_media_type != dvd) && (bkpinfo->backup_media_type != usb)) {
1525 if (ask_me_yes_or_no
1526 ("Is your computer a laptop, or does the CD writer incorporate BurnProof technology?"))
1527 {
1528 bkpinfo->manual_cd_tray = TRUE;
1529 }
1530 }
1531 if ((bkpinfo->compression_level =
1532 which_compression_level()) == -1) {
1533 log_to_screen("User has chosen not to backup the PC");
1534 finish(1);
1535 }
1536 mds = media_descriptor_string(bkpinfo->backup_media_type);
1537 sprintf(comment, "What speed is your %s (re)writer?", mds);
1538 if (bkpinfo->backup_media_type == dvd) {
1539 find_dvd_device(bkpinfo->media_device, FALSE);
1540 mr_asprintf(&tmp, "1");
1541 sprintf(sz_size, "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4482 MB
1542 log_msg(1, "Setting to DVD defaults");
1543 } else {
1544 strcpy(bkpinfo->media_device, VANILLA_SCSI_CDROM);
1545 mr_asprintf(&tmp, "4");
1546 strcpy(sz_size, "650");
1547 log_msg(1, "Setting to CD defaults");
1548 }
1549 if ((bkpinfo->backup_media_type != dvd) && (bkpinfo->backup_media_type != usb)) {
1550 if (!popup_and_get_string("Speed", comment, tmp, 4)) {
1551 log_to_screen("User has chosen not to backup the PC");
1552 finish(1);
1553 }
1554 }
1555 bkpinfo->cdrw_speed = atoi(tmp); // if DVD then this shouldn't ever be used anyway :)
1556 mr_free(tmp);
1557
1558 sprintf(comment,
1559 "How much data (in Megabytes) will each %s store?", mds);
1560 mr_free(mds);
1561 if (!popup_and_get_string("Size", comment, sz_size, 5)) {
1562 log_to_screen("User has chosen not to backup the PC");
1563 finish(1);
1564 }
1565 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1566 bkpinfo->media_size[i] = atoi(sz_size);
1567 }
1568 if (bkpinfo->media_size[0] <= 0) {
1569 log_to_screen("User has chosen not to backup the PC");
1570 finish(1);
1571 }
1572 }
1573 /* No break because we continue even for usb */
1574 case cdstream:
1575 mds = media_descriptor_string(bkpinfo->backup_media_type);
1576
1577 if ((bkpinfo->disaster_recovery) && (bkpinfo->backup_media_type != usb)) {
1578 strcpy(bkpinfo->media_device, "/dev/cdrom");
1579 log_msg(2, "CD-ROM device assumed to be at %s",
1580 bkpinfo->media_device);
1581 } else if ((bkpinfo->restore_data && (bkpinfo->backup_media_type != usb))
1582 || bkpinfo->backup_media_type == dvd) {
1583 if (!bkpinfo->media_device[0]) {
1584 strcpy(bkpinfo->media_device, "/dev/cdrom");
1585 } // just for the heck of it :)
1586 log_msg(1, "bkpinfo->media_device = %s",
1587 bkpinfo->media_device);
1588 if (bkpinfo->backup_media_type == dvd
1589 || find_cdrom_device(bkpinfo->media_device, FALSE)) {
1590 log_msg(1, "bkpinfo->media_device = %s",
1591 bkpinfo->media_device);
1592 sprintf(comment,
1593 "Please specify your %s drive's /dev entry", mds);
1594 if (!popup_and_get_string
1595 ("Device?", comment, bkpinfo->media_device,
1596 MAX_STR_LEN / 4)) {
1597 log_to_screen("User has chosen not to backup the PC");
1598 finish(1);
1599 }
1600 }
1601 log_msg(2, "%s device found at %s", mds, bkpinfo->media_device);
1602 } else {
1603 if ((find_cdrw_device(bkpinfo->media_device)) && (bkpinfo->backup_media_type != usb)) {
1604 bkpinfo->media_device[0] = '\0';
1605 }
1606 if (bkpinfo->media_device[0]) {
1607 if (bkpinfo->backup_media_type == usb) {
1608 mr_asprintf(&tmp,
1609 "I think your %s media corresponds to %s. Is this correct?", mds,
1610 bkpinfo->media_device);
1611 } else {
1612 mr_asprintf(&tmp,
1613 "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,
1614 bkpinfo->media_device);
1615 }
1616 if (!ask_me_yes_or_no(tmp)) {
1617 bkpinfo->media_device[0] = '\0';
1618 }
1619 mr_free(tmp);
1620 }
1621 if (!bkpinfo->media_device[0]) {
1622 if (bkpinfo->backup_media_type == usb) {
1623 i = popup_and_get_string("/dev entry?",
1624 "What is the /dev entry of your USB Disk/Key, please?",
1625 bkpinfo->media_device,
1626 MAX_STR_LEN / 4);
1627 } else {
1628 if (g_kernel_version < 2.6) {
1629 i = popup_and_get_string("Device node?",
1630 "What is the SCSI node of your CD (re)writer, please?",
1631 bkpinfo->media_device,
1632 MAX_STR_LEN / 4);
1633 } else {
1634 i = popup_and_get_string("/dev entry?",
1635 "What is the /dev entry of your CD (re)writer, please?",
1636 bkpinfo->media_device,
1637 MAX_STR_LEN / 4);
1638 }
1639 }
1640 if (!i) {
1641 log_to_screen("User has chosen not to backup the PC");
1642 finish(1);
1643 }
1644 }
1645 }
1646 mr_free(mds);
1647
1648 if (bkpinfo->backup_media_type == cdstream) {
1649 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1650 bkpinfo->media_size[i] = 650;
1651 }
1652 }
1653 break;
1654 case udev:
1655 if (!ask_me_yes_or_no
1656 ("This option is for advanced users only. Are you sure?")) {
1657 log_to_screen("User has chosen not to backup the PC");
1658 finish(1);
1659 }
1660 case tape:
1661
1662 if ((!bkpinfo->restore_mode) && (find_tape_device_and_size(bkpinfo->media_device, sz_size))) {
1663 log_msg(3, "Ok, using vanilla scsi tape.");
1664 strcpy(bkpinfo->media_device, VANILLA_SCSI_TAPE);
1665 if ((fin = fopen(bkpinfo->media_device, "r"))) {
1666 paranoid_fclose(fin);
1667 } else {
1668 strcpy(bkpinfo->media_device, "/dev/osst0");
1669 }
1670 }
1671 if (bkpinfo->media_device[0]) {
1672 if ((fin = fopen(bkpinfo->media_device, "r"))) {
1673 paranoid_fclose(fin);
1674 } else {
1675 if (does_file_exist("/tmp/mondo-restore.cfg")) {
1676 read_cfg_var("/tmp/mondo-restore.cfg", "media-dev",
1677 bkpinfo->media_device);
1678 }
1679 }
1680 }
1681 if (bkpinfo->media_device[0]) {
1682 mr_asprintf(&tmp,
1683 "I think I've found your tape streamer at %s; am I right on the money?",
1684 bkpinfo->media_device);
1685 if (!ask_me_yes_or_no(tmp)) {
1686 bkpinfo->media_device[0] = '\0';
1687 }
1688 mr_free(tmp);
1689 }
1690 if (!bkpinfo->media_device[0]) {
1691 if (!popup_and_get_string
1692 ("Device name?",
1693 "What is the /dev entry of your tape streamer?",
1694 bkpinfo->media_device, MAX_STR_LEN / 4)) {
1695 log_to_screen("User has chosen not to backup the PC");
1696 finish(1);
1697 }
1698 }
1699 mr_asprintf(&tmp, "ls -l %s", bkpinfo->media_device);
1700 if (run_program_and_log_output(tmp, FALSE)) {
1701 log_to_screen("User has not specified a valid /dev entry");
1702 finish(1);
1703 }
1704 mr_free(tmp);
1705 log_msg(4, "sz_size = %s", sz_size);
1706 sz_size[0] = '\0';
1707
1708 bkpinfo->use_obdr = ask_me_yes_or_no
1709 ("Do you want to activate OBDR support for your tapes ?");
1710 if (sz_size[0] == '\0') {
1711 bkpinfo->media_size[0] = 0;
1712 } else {
1713 bkpinfo->media_size[0] =
1714 friendly_sizestr_to_sizelong(sz_size) / 2 - 50;
1715 }
1716 log_msg(4, "media_size[0] = %ld", bkpinfo->media_size[0]);
1717 if (bkpinfo->media_size[0] <= 0) {
1718 bkpinfo->media_size[0] = 0;
1719 }
1720 for (i = 1; i <= MAX_NOOF_MEDIA; i++) {
1721 bkpinfo->media_size[i] = bkpinfo->media_size[0];
1722 }
1723 if (archiving_to_media) {
1724 if ((bkpinfo->compression_level =
1725 which_compression_level()) == -1) {
1726 log_to_screen("User has chosen not to backup the PC");
1727 finish(1);
1728 }
1729 }
1730 break;
1731
1732
1733
1734 case nfs:
1735 /* Never try to eject a NFS device */
1736 bkpinfo->please_dont_eject = TRUE;
1737
1738 /* Initiate bkpinfo nfs_mount path from running environment if not already done */
1739 if (!bkpinfo->nfs_mount[0]) {
1740 strcpy(bkpinfo->nfs_mount,
1741 call_program_and_get_last_line_of_output
1742 ("mount | grep \":\" | cut -d' ' -f1 | head -n1"));
1743 }
1744#ifdef __FreeBSD__
1745 if (TRUE)
1746#else
1747 if (!bkpinfo->disaster_recovery)
1748#endif
1749 {
1750 if (!popup_and_get_string
1751 ("NFS dir.",
1752 "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.)",
1753 bkpinfo->nfs_mount, MAX_STR_LEN / 4)) {
1754 log_to_screen("User has chosen not to backup the PC");
1755 finish(1);
1756 }
1757 if (!bkpinfo->restore_data) {
1758 if ((bkpinfo->compression_level =
1759 which_compression_level()) == -1) {
1760 log_to_screen("User has chosen not to backup the PC");
1761 finish(1);
1762 }
1763 }
1764 // check whether already mounted - we better remove
1765 // surrounding spaces and trailing '/' for this
1766 strip_spaces(bkpinfo->nfs_mount);
1767 if (bkpinfo->nfs_mount[strlen(bkpinfo->nfs_mount) - 1] == '/')
1768 bkpinfo->nfs_mount[strlen(bkpinfo->nfs_mount) - 1] = '\0';
1769 sprintf(command, "mount | grep \"%s \" | cut -d' ' -f3",
1770 bkpinfo->nfs_mount);
1771 strcpy(bkpinfo->isodir,
1772 call_program_and_get_last_line_of_output(command));
1773
1774 if (!bkpinfo->restore_data) {
1775 sprintf(comment,
1776 "How much data (in Megabytes) will each media store?");
1777 if (!popup_and_get_string("Size", comment, sz_size, 5)) {
1778 log_to_screen("User has chosen not to backup the PC");
1779 finish(1);
1780 }
1781 } else {
1782 strcpy(sz_size, "0");
1783 }
1784 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1785 bkpinfo->media_size[i] = atoi(sz_size);
1786 }
1787 if (bkpinfo->media_size[0] < 0) {
1788 log_to_screen("User has chosen not to backup the PC");
1789 finish(1);
1790 }
1791 }
1792 if (bkpinfo->disaster_recovery) {
1793 sprintf(command ,"umount %s/isodir 2> /dev/null", bkpinfo->tmpdir);
1794 (void)system(command);
1795 if (!popup_and_get_string
1796 ("NFS share", "Which remote NFS share should I mount?",
1797 bkpinfo->nfs_mount, MAX_STR_LEN)) {
1798 log_to_screen("User has chosen not to backup the PC");
1799 finish(1);
1800 }
1801 }
1802 /* Initiate bkpinfo isodir path from running environment if mount already done */
1803 if (is_this_device_mounted(bkpinfo->nfs_mount)) {
1804 strcpy(bkpinfo->isodir,
1805 call_program_and_get_last_line_of_output
1806 ("mount | grep \":\" | cut -d' ' -f3 | head -n1"));
1807 } else {
1808 sprintf(bkpinfo->isodir, "%s/nfsdir", bkpinfo->tmpdir);
1809 sprintf(command, "mkdir -p %s", bkpinfo->isodir);
1810 run_program_and_log_output(command, 5);
1811 mr_asprintf(&tmp, "mount -t nfs -o nolock %s %s", bkpinfo->nfs_mount,
1812 bkpinfo->isodir);
1813 run_program_and_log_output(tmp, 3);
1814 mr_free(tmp);
1815
1816 malloc_string(g_selfmounted_isodir);
1817 strcpy(g_selfmounted_isodir, bkpinfo->isodir);
1818 }
1819 if (!is_this_device_mounted(bkpinfo->nfs_mount)) {
1820 popup_and_OK
1821 ("Please mount that partition before you try to backup to or restore from it.");
1822 finish(1);
1823 }
1824 mr_asprintf(&tmp, bkpinfo->nfs_remote_dir);
1825 if (!popup_and_get_string
1826 ("Directory", "Which directory within that mountpoint?", tmp,
1827 MAX_STR_LEN)) {
1828 log_to_screen("User has chosen not to backup the PC");
1829 finish(1);
1830 }
1831 strcpy(bkpinfo->nfs_remote_dir, tmp);
1832 mr_free(tmp);
1833
1834 // check whether writable - we better remove surrounding spaces for this
1835 strip_spaces(bkpinfo->nfs_remote_dir);
1836
1837 if (!popup_and_get_string
1838 ("Prefix.",
1839 "Please enter the prefix that will be prepended to your ISO filename. Example: machine1 to obtain machine1-[1-9]*.iso files",
1840 bkpinfo->prefix, MAX_STR_LEN / 4)) {
1841 log_to_screen("User has chosen not to backup the PC");
1842 finish(1);
1843 }
1844 log_msg(3, "prefix set to %s", bkpinfo->prefix);
1845
1846 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1847 bkpinfo->media_size[i] = 650;
1848 }
1849 log_msg(3, "Just set nfs_remote_dir to %s",
1850 bkpinfo->nfs_remote_dir);
1851 log_msg(3, "isodir is still %s", bkpinfo->isodir);
1852 break;
1853
1854 case iso:
1855 if (!bkpinfo->disaster_recovery) {
1856 if (!popup_and_get_string
1857 ("Storage dir.",
1858 "Please enter the full path name to the directory for your ISO images. Example: /mnt/raid0_0",
1859 bkpinfo->isodir, MAX_STR_LEN / 4)) {
1860 log_to_screen("User has chosen not to backup the PC");
1861 finish(1);
1862 }
1863 if (archiving_to_media) {
1864 if ((bkpinfo->compression_level =
1865 which_compression_level()) == -1) {
1866 log_to_screen("User has chosen not to backup the PC");
1867 finish(1);
1868 }
1869 if (!popup_and_get_string
1870 ("ISO size.",
1871 "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.",
1872 sz_size, 16)) {
1873 log_to_screen("User has chosen not to backup the PC");
1874 finish(1);
1875 }
1876 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1877 bkpinfo->media_size[i] = atoi(sz_size);
1878 }
1879 } else {
1880 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
1881 bkpinfo->media_size[i] = 650;
1882 }
1883 }
1884 }
1885 if (!popup_and_get_string
1886 ("Prefix.",
1887 "Please enter the prefix that will be prepended to your ISO filename. Example: machine1 to obtain machine1-[1-9]*.iso files",
1888 bkpinfo->prefix, MAX_STR_LEN / 4)) {
1889 log_to_screen("User has chosen not to backup the PC");
1890 finish(1);
1891 }
1892 log_msg(3, "prefix set to %s", bkpinfo->prefix);
1893 break;
1894 default:
1895 fatal_error
1896 ("I, Mojo Jojo, shall defeat those pesky Powerpuff Girls!");
1897 }
1898
1899 if (archiving_to_media) {
1900
1901#ifdef __FreeBSD__
1902 strcpy(bkpinfo->boot_device,
1903 call_program_and_get_last_line_of_output
1904 ("mount | grep ' / ' | head -1 | cut -d' ' -f1 | sed 's/\\([0-9]\\).*/\\1/'"));
1905#else
1906 strcpy(bkpinfo->boot_device,
1907 call_program_and_get_last_line_of_output
1908 ("mount | grep ' / ' | head -1 | cut -d' ' -f1 | sed 's/[0-9].*//'"));
1909#endif
1910 i = which_boot_loader(bkpinfo->boot_device);
1911 if (i == 'U') // unknown
1912 {
1913
1914#ifdef __FreeBSD__
1915 if (!popup_and_get_string
1916 ("Boot device",
1917 "What is your boot device? (e.g. /dev/ad0)",
1918 bkpinfo->boot_device, MAX_STR_LEN / 4)) {
1919 log_to_screen("User has chosen not to backup the PC");
1920 finish(1);
1921 }
1922 i = which_boot_loader(bkpinfo->boot_device);
1923#else
1924 if (!popup_and_get_string
1925 ("Boot device",
1926 "What is your boot device? (e.g. /dev/hda)",
1927 bkpinfo->boot_device, MAX_STR_LEN / 4)) {
1928 log_to_screen("User has chosen not to backup the PC");
1929 finish(1);
1930 }
1931 if (does_string_exist_in_boot_block
1932 (bkpinfo->boot_device, "LILO")) {
1933 i = 'L';
1934 } else
1935 if (does_string_exist_in_boot_block
1936 (bkpinfo->boot_device, "ELILO")) {
1937 i = 'E';
1938 } else
1939 if (does_string_exist_in_boot_block
1940 (bkpinfo->boot_device, "GRUB")) {
1941 i = 'G';
1942 } else {
1943 i = 'U';
1944 }
1945#endif
1946 if (i == 'U') {
1947 if (ask_me_yes_or_no
1948 ("Unidentified boot loader. Shall I restore it byte-for-byte at restore time and hope for the best?"))
1949 {
1950 i = 'R'; // raw
1951 } else {
1952 log_to_screen
1953 ("I cannot find your boot loader. Please run mondoarchive with parameters.");
1954 finish(1);
1955 }
1956 }
1957 }
1958 bkpinfo->boot_loader = i;
1959 strcpy(bkpinfo->include_paths, "/");
1960 if (!popup_and_get_string
1961 ("Backup paths",
1962 "Please enter paths which you want me to backup. The default is '/' (i.e. everything).",
1963 bkpinfo->include_paths, MAX_STR_LEN)) {
1964 log_to_screen("User has chosen not to backup the PC");
1965 finish(1);
1966 }
1967 mr_asprintf(&tmp, "%s", list_of_NFS_mounts_only());
1968 if (strlen(tmp) > 2) {
1969 if (bkpinfo->exclude_paths[0]) {
1970 strcat(bkpinfo->exclude_paths, " ");
1971 }
1972 strncpy(bkpinfo->exclude_paths, tmp, MAX_STR_LEN);
1973 }
1974 mr_free(tmp);
1975// NTFS
1976 mr_asprintf(&tmp, "%s",
1977 call_program_and_get_last_line_of_output
1978 ("parted2fdisk -l | grep -i ntfs | awk '{ print $1};' | tr -s '\\n' ' ' | awk '{ print $0};'"));
1979 if (strlen(tmp) > 2) {
1980 if (!popup_and_get_string
1981 ("NTFS partitions",
1982 "Please enter/confirm the NTFS partitions you wish to backup as well.",
1983 tmp, MAX_STR_LEN / 4)) {
1984 log_to_screen("User has chosen not to backup the PC");
1985 finish(1);
1986 }
1987 strncpy(bkpinfo->image_devs, tmp, MAX_STR_LEN / 4);
1988 }
1989 mr_free(tmp);
1990
1991
1992 if (!popup_and_get_string
1993 ("Exclude paths",
1994 "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.",
1995 bkpinfo->exclude_paths, (4*MAX_STR_LEN)-1)) {
1996 log_to_screen("User has chosen not to backup the PC");
1997 finish(1);
1998 }
1999 if (!popup_and_get_string
2000 ("Temporary directory",
2001 "Please enter your temporary directory.",
2002 bkpinfo->tmpdir, (4*MAX_STR_LEN)-1)) {
2003 log_to_screen("User has chosen not to backup the PC");
2004 finish(1);
2005 }
2006 if (!popup_and_get_string
2007 ("Scratch directory",
2008 "Please enter your scratch directory.",
2009 bkpinfo->scratchdir, (4*MAX_STR_LEN)-1)) {
2010 log_to_screen("User has chosen not to backup the PC");
2011 finish(1);
2012 }
2013// Interactive mode:
2014#ifdef __IA64__
2015 bkpinfo->make_cd_use_lilo = TRUE;
2016#else
2017 bkpinfo->make_cd_use_lilo = FALSE;
2018#endif
2019 bkpinfo->backup_data = TRUE;
2020 bkpinfo->verify_data =
2021 ask_me_yes_or_no
2022 ("Will you want to verify your backups after Mondo has created them?");
2023
2024#ifndef __FreeBSD__
2025 if (!ask_me_yes_or_no
2026 ("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."))
2027#endif
2028 {
2029 strcpy(bkpinfo->kernel_path, "FAILSAFE");
2030 }
2031
2032 if (!ask_me_yes_or_no
2033 ("Are you sure you want to proceed? Hit 'no' to abort.")) {
2034 log_to_screen("User has chosen not to backup the PC");
2035 finish(1);
2036 }
2037 } else {
2038 bkpinfo->restore_data = TRUE; // probably...
2039 }
2040
2041 if (bkpinfo->backup_media_type == iso
2042 || bkpinfo->backup_media_type == nfs) {
2043 g_ISO_restore_mode = TRUE;
2044 }
2045#ifdef __FreeSD__
2046// skip
2047#else
2048 if (bkpinfo->backup_media_type == nfs) {
2049 log_msg(3, "I think the NFS mount is mounted at %s",
2050 bkpinfo->isodir);
2051 }
2052 log_it("isodir = %s", bkpinfo->isodir);
2053 log_it("nfs_mount = '%s'", bkpinfo->nfs_mount);
2054 if (bkpinfo->nfs_user) {
2055 log_it("nfs_user = '%s'", bkpinfo->nfs_user);
2056 }
2057#endif
2058
2059 log_it("media device = %s", bkpinfo->media_device);
2060 log_it("media size = %ld", bkpinfo->media_size[1]);
2061 log_it("media type = %s",
2062 bkptype_to_string(bkpinfo->backup_media_type));
2063 log_it("prefix = %s", bkpinfo->prefix);
2064 log_it("compression = %ld", bkpinfo->compression_level);
2065 log_it("include_paths = '%s'", bkpinfo->include_paths);
2066 log_it("exclude_paths = '%s'", bkpinfo->exclude_paths);
2067 log_it("scratchdir = '%s'", bkpinfo->scratchdir);
2068 log_it("tmpdir = '%s'", bkpinfo->tmpdir);
2069 log_it("image_devs = '%s'", bkpinfo->image_devs);
2070 log_it("boot_device = '%s' (loader=%c)", bkpinfo->boot_device,
2071 bkpinfo->boot_loader);
2072 if (bkpinfo->media_size[0] < 0) {
2073 if (archiving_to_media) {
2074 fatal_error("Media size is less than zero.");
2075 } else {
2076 log_msg(2, "Warning - media size is less than zero.");
2077 bkpinfo->media_size[0] = 0;
2078 }
2079 }
2080 paranoid_free(sz_size);
2081 paranoid_free(command);
2082 paranoid_free(comment);
2083 paranoid_free(prompt);
2084 return (0);
2085}
2086
2087
2088
2089
2090/**
2091 * @addtogroup utilityGroup
2092 * @{
2093 */
2094/**
2095 * Get a space-separated list of NFS devices and mounts.
2096 * @return The list created.
2097 * @note The return value points to static data that will be overwritten with each call.
2098 */
2099char *list_of_NFS_devices_and_mounts(void)
2100{
2101 char *exclude_these_devices = NULL;
2102 char *exclude_these_directories = NULL;
2103 static char result_sz[1024];
2104
2105 mr_asprintf(&exclude_these_directories,"%s",list_of_NFS_mounts_only());
2106 mr_asprintf(&exclude_these_devices,"%s",
2107 call_program_and_get_last_line_of_output
2108 ("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;}'"));
2109 snprintf(result_sz, 1023, "%s %s", exclude_these_directories, exclude_these_devices);
2110 mr_free(exclude_these_devices);
2111 mr_free(exclude_these_directories);
2112 return (result_sz);
2113}
2114
2115
2116
2117
2118/**
2119 * Get a space-separated list of NFS mounts.
2120 * @return The list created.
2121 * @note The return value points to static data that will be overwritten with each call.
2122 * @bug Even though we only want the mounts, the devices are still checked.
2123 */
2124char *list_of_NFS_mounts_only(void)
2125{
2126 char *exclude_these_directories = NULL;
2127 static char result_sz[512];
2128
2129 mr_asprintf(&exclude_these_directories,"%s",
2130 call_program_and_get_last_line_of_output
2131 ("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;}'"));
2132 snprintf(result_sz, 511, "%s", exclude_these_directories);
2133 mr_free(exclude_these_directories);
2134 return (result_sz);
2135}
2136
2137/* @} - end of utilityGroup */
2138
2139
2140
2141
2142
2143/**
2144 * Create a randomly-named FIFO. The format is @p stub "." [random] [random] where
2145 * [random] is a random number between 1 and 32767.
2146 * @param store_name_here Where to store the new filename.
2147 * @param stub A random number will be appended to this to make the FIFO's name.
2148 * @ingroup deviceGroup
2149 */
2150void make_fifo(char *store_name_here, char *stub)
2151{
2152 char *tmp;
2153
2154 malloc_string(tmp);
2155 assert_string_is_neither_NULL_nor_zerolength(stub);
2156
2157 sprintf(store_name_here, "%s%d%d", stub, (int) (random() % 32768),
2158 (int) (random() % 32768));
2159 make_hole_for_file(store_name_here);
2160 mkfifo(store_name_here, S_IRWXU | S_IRWXG);
2161 sprintf(tmp, "chmod 770 %s", store_name_here);
2162 paranoid_system(tmp);
2163 paranoid_free(tmp);
2164}
2165
2166
2167
2168
2169
2170
2171/**
2172 * Set the tmpdir and scratchdir to reside on the partition with the most free space.
2173 * Automatically excludes DOS, NTFS, SMB, and NFS filesystems.
2174 * @param bkpinfo The backup information structure. @c bkpinfo->tmpdir and @c bkpinfo->scratchdir will be set.
2175 * @ingroup utilityGroup
2176 */
2177void sensibly_set_tmpdir_and_scratchdir()
2178{
2179 char *tmp = NULL;
2180 char *command = NULL;
2181 char *sz = NULL;
2182
2183 assert(bkpinfo != NULL);
2184
2185#ifdef __FreeBSD__
2186 mr_asprintf(&tmp,
2187 call_program_and_get_last_line_of_output
2188 ("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;}'"));
2189#else
2190 mr_asprintf(&tmp,
2191 call_program_and_get_last_line_of_output
2192 ("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;}'"));
2193#endif
2194
2195 if (tmp[0] != '/') {
2196 mr_asprintf(&sz, tmp);
2197 paranoid_free(tmp);
2198 mr_asprintf(&tmp, "/%s", sz);
2199 mr_free(sz);
2200 }
2201 if (!tmp[0]) {
2202 fatal_error("I couldn't figure out the tempdir!");
2203 }
2204 setup_tmpdir(tmp);
2205 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
2206
2207 sprintf(bkpinfo->scratchdir, "%s/mondo.scratch.%d", tmp,
2208 (int) (random() % 32768));
2209 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
2210
2211 mr_asprintf(&command, "rm -Rf %s/tmp.mondo.* %s/mondo.scratch.*", tmp, tmp);
2212 paranoid_free(tmp);
2213
2214 paranoid_system(command);
2215 mr_free(command);
2216}
2217
2218
2219
2220
2221
2222
2223/**
2224 * @addtogroup deviceGroup
2225 * @{
2226 */
2227/**
2228 * If we can read @p dev, set @p output to it.
2229 * If @p dev cannot be read, set @p output to "".
2230 * @param dev The device to check for.
2231 * @param output Set to @p dev if @p dev exists, "" otherwise.
2232 * @return TRUE if @p dev exists, FALSE if it doesn't.
2233 */
2234bool set_dev_to_this_if_rx_OK(char *output, char *dev)
2235{
2236 char *command;
2237
2238 malloc_string(command);
2239 if (!dev || dev[0] == '\0') {
2240 output[0] = '\0';
2241 return (FALSE);
2242 }
2243// assert_string_is_neither_NULL_nor_zerolength(dev);
2244 log_msg(10, "Injecting %s", dev);
2245 inject_device(dev);
2246 if (!does_file_exist(dev)) {
2247 log_msg(10, "%s doesn't exist. Returning FALSE.", dev);
2248 return (FALSE);
2249 }
2250 sprintf(command, "dd bs=%ld count=1 if=%s of=/dev/null &> /dev/null",
2251 512L, dev);
2252 if (!run_program_and_log_output(command, FALSE)
2253 && !run_program_and_log_output(command, FALSE)) {
2254 strcpy(output, dev);
2255 log_msg(4, "Found it - %s", dev);
2256 return (TRUE);
2257 } else {
2258 output[0] = '\0';
2259 log_msg(4, "It's not %s", dev);
2260 return (FALSE);
2261 }
2262}
2263
2264
2265
2266
2267
2268/**
2269 * Find out what number CD is in the drive.
2270 * @param bkpinfo The backup information structure. The @c bkpinfo->media_device field is the only one used.
2271 * @return The current CD number, or -1 if it could not be found.
2272 * @note If the CD is not mounted, it will be mounted
2273 * (and remain mounted after this function returns).
2274 */
2275int what_number_cd_is_this()
2276{
2277 int cd_number = -1;
2278 char *mountdev = NULL;
2279 char *tmp = NULL;
2280
2281 assert(bkpinfo != NULL);
2282// log_it("Asking what_number_cd_is_this");
2283 if (g_ISO_restore_mode) {
2284 mr_asprintf(&tmp, "mount | grep iso9660 | awk '{print $3;}'");
2285
2286 mr_asprintf(&mountdev, "%s%s", call_program_and_get_last_line_of_output(tmp), "/archives/THIS-CD-NUMBER");
2287 cd_number = atoi(last_line_of_file(mountdev));
2288 paranoid_free(mountdev);
2289 paranoid_free(tmp);
2290
2291 return (cd_number);
2292 }
2293
2294 mr_asprintf(&mountdev, bkpinfo->media_device);
2295 if (!mountdev[0]) {
2296 log_it
2297 ("(what_number_cd_is_this) Warning - media_device unknown. Finding out...");
2298 find_cdrom_device(bkpinfo->media_device, FALSE);
2299 }
2300 if (!is_this_device_mounted(MNT_CDROM)) {
2301 if (bkpinfo->backup_media_type == usb) {
2302 mount_USB_here(mountdev, MNT_CDROM);
2303 } else {
2304 mount_CDROM_here(mountdev, MNT_CDROM);
2305 }
2306 }
2307 paranoid_free(mountdev);
2308
2309 cd_number = atoi(last_line_of_file(MNT_CDROM "/archives/THIS-CD-NUMBER"));
2310 return (cd_number);
2311}
2312
2313
2314
2315
2316
2317
2318
2319/**
2320 * Find out what device is mounted as root (/).
2321 * @return Root device.
2322 * @note The returned string points to static storage and will be overwritten with every call.
2323 * @bug A bit of a misnomer; it's actually finding out the root device.
2324 * The mountpoint (where it's mounted) will obviously be '/'.
2325 */
2326char *where_is_root_mounted()
2327{
2328 /*@ buffers **************** */
2329 static char tmp[MAX_STR_LEN];
2330
2331
2332#ifdef __FreeBSD__
2333 strcpy(tmp, call_program_and_get_last_line_of_output
2334 ("mount | grep \" on / \" | cut -d' ' -f1"));
2335#else
2336 strcpy(tmp, call_program_and_get_last_line_of_output
2337 ("mount | grep \" on / \" | cut -d' ' -f1 | sed s/[0-9]// | sed s/[0-9]//"));
2338 if (strstr(tmp, "/dev/cciss/")) {
2339 strcpy(tmp, call_program_and_get_last_line_of_output
2340 ("mount | grep \" on / \" | cut -d' ' -f1 | cut -dp -f1"));
2341 }
2342 if (strstr(tmp, "/dev/md")) {
2343 strcpy(tmp,
2344 call_program_and_get_last_line_of_output
2345 ("mount | grep \" on / \" | cut -d' ' -f1"));
2346 }
2347#endif
2348
2349 return (tmp);
2350}
2351
2352
2353/**
2354 * Find out which boot loader is in use.
2355 * @param which_device Device to look for the boot loader on.
2356 * @return 'L' for LILO, 'E'for ELILO, 'G' for GRUB, 'B' or 'D' for FreeBSD boot loaders, or 'U' for Unknown.
2357 * @note Under Linux, all drives are examined, not just @p which_device.
2358 */
2359#ifdef __FreeBSD__
2360char which_boot_loader(char *which_device)
2361{
2362 int count_lilos = 0;
2363 int count_grubs = 0;
2364 int count_boot0s = 0;
2365 int count_dangerouslydedicated = 0;
2366
2367 log_it("looking at drive %s's MBR", which_device);
2368 if (does_string_exist_in_boot_block(which_device, "GRUB")) {
2369 count_grubs++;
2370 }
2371 if (does_string_exist_in_boot_block(which_device, "LILO")) {
2372 count_lilos++;
2373 }
2374 if (does_string_exist_in_boot_block(which_device, "Drive")) {
2375 count_boot0s++;
2376 }
2377 if (does_string_exist_in_first_N_blocks
2378 (which_device, "FreeBSD/i386", 17)) {
2379 count_dangerouslydedicated++;
2380 }
2381 log_it("%d grubs and %d lilos and %d elilos and %d boot0s and %d DD\n",
2382 count_grubs, count_lilos, count_elilos, count_boot0s,
2383 count_dangerouslydedicated);
2384
2385 if (count_grubs && !count_lilos) {
2386 return ('G');
2387 } else if (count_lilos && !count_grubs) {
2388 return ('L');
2389 } else if (count_grubs == 1 && count_lilos == 1) {
2390 log_it("I'll bet you used to use LILO but switched to GRUB...");
2391 return ('G');
2392 } else if (count_boot0s == 1) {
2393 return ('B');
2394 } else if (count_dangerouslydedicated) {
2395 return ('D');
2396 } else {
2397 log_it("Unknown boot loader");
2398 return ('U');
2399 }
2400}
2401
2402#else
2403
2404char which_boot_loader(char *which_device)
2405{
2406 /*@ buffer ***************************************************** */
2407 char *list_drives_cmd = NULL;
2408 char *current_drive;
2409
2410 /*@ pointers *************************************************** */
2411 FILE *pdrives;
2412
2413 /*@ int ******************************************************** */
2414 int count_lilos = 0;
2415 int count_grubs = 0;
2416
2417 /*@ end vars *************************************************** */
2418
2419 malloc_string(current_drive);
2420
2421#ifdef __IA64__
2422 /* No choice for it */
2423 return ('E');
2424#endif
2425 assert(which_device != NULL);
2426
2427 mr_asprintf(&list_drives_cmd,
2428 "parted2fdisk -l 2>/dev/null | grep \"/dev/.*:\" | tr -s ':' ' ' | tr -s ' ' '\n' | grep /dev/; echo %s",
2429 where_is_root_mounted());
2430 log_it("list_drives_cmd = %s", list_drives_cmd);
2431
2432 if (!(pdrives = popen(list_drives_cmd, "r"))) {
2433 log_OS_error("Unable to open list of drives");
2434 mr_free(list_drives_cmd);
2435 paranoid_free(current_drive);
2436 return ('\0');
2437 }
2438 mr_free(list_drives_cmd);
2439
2440 for ((void)fgets(current_drive, MAX_STR_LEN, pdrives); !feof(pdrives);
2441 (void)fgets(current_drive, MAX_STR_LEN, pdrives)) {
2442 strip_spaces(current_drive);
2443 log_it("looking at drive %s's MBR", current_drive);
2444 if (does_string_exist_in_boot_block(current_drive, "GRUB")) {
2445 count_grubs++;
2446 strcpy(which_device, current_drive);
2447 break;
2448 }
2449 if (does_string_exist_in_boot_block(current_drive, "LILO")) {
2450 count_lilos++;
2451 strcpy(which_device, current_drive);
2452 break;
2453 }
2454 }
2455 if (pclose(pdrives)) {
2456 log_OS_error("Cannot pclose pdrives");
2457 }
2458 log_it("%d grubs and %d lilos\n", count_grubs, count_lilos);
2459 if (count_grubs && !count_lilos) {
2460 paranoid_free(current_drive);
2461 return ('G');
2462 } else if (count_lilos && !count_grubs) {
2463 paranoid_free(current_drive);
2464 return ('L');
2465 } else if (count_grubs == 1 && count_lilos == 1) {
2466 log_it("I'll bet you used to use LILO but switched to GRUB...");
2467 paranoid_free(current_drive);
2468 return ('G');
2469 } else {
2470 // We need to look on each partition then
2471 mr_asprintf(&list_drives_cmd,
2472 "parted2fdisk -l 2>/dev/null | grep -E \"^/dev/\" | tr -s ':' ' ' | tr -s ' ' '\n' | grep /dev/");
2473 log_it("list_drives_cmd = %s", list_drives_cmd);
2474
2475 if (!(pdrives = popen(list_drives_cmd, "r"))) {
2476 log_OS_error("Unable to open list of drives");
2477 mr_free(list_drives_cmd);
2478 paranoid_free(current_drive);
2479 return ('\0');
2480 }
2481 mr_free(list_drives_cmd);
2482
2483 for ((void)fgets(current_drive, MAX_STR_LEN, pdrives); !feof(pdrives);
2484 (void)fgets(current_drive, MAX_STR_LEN, pdrives)) {
2485 strip_spaces(current_drive);
2486 log_it("looking at partition %s's BR", current_drive);
2487 if (does_string_exist_in_boot_block(current_drive, "GRUB")) {
2488 count_grubs++;
2489 strcpy(which_device, current_drive);
2490 break;
2491 }
2492 if (does_string_exist_in_boot_block(current_drive, "LILO")) {
2493 count_lilos++;
2494 strcpy(which_device, current_drive);
2495 break;
2496 }
2497 }
2498 if (pclose(pdrives)) {
2499 log_OS_error("Cannot pclose pdrives");
2500 }
2501 log_it("%d grubs and %d lilos\n", count_grubs, count_lilos);
2502 paranoid_free(current_drive);
2503 if (count_grubs && !count_lilos) {
2504 return ('G');
2505 } else if (count_lilos && !count_grubs) {
2506 return ('L');
2507 } else if (count_grubs == 1 && count_lilos == 1) {
2508 log_it("I'll bet you used to use LILO but switched to GRUB...");
2509 return ('G');
2510 } else {
2511 log_it("Unknown boot loader");
2512 return ('U');
2513 }
2514 }
2515}
2516#endif
2517
2518
2519
2520
2521/**
2522 * Write zeroes over the first 16K of @p device.
2523 * @param device The device to zero.
2524 * @return 0 for success, 1 for failure.
2525 */
2526int zero_out_a_device(char *device)
2527{
2528 FILE *fout;
2529 int i;
2530
2531 assert_string_is_neither_NULL_nor_zerolength(device);
2532
2533 log_it("Zeroing drive %s", device);
2534 if (!(fout = fopen(device, "w"))) {
2535 log_OS_error("Unable to open/write to device");
2536 return (1);
2537 }
2538 for (i = 0; i < 16384; i++) {
2539 fputc('\0', fout);
2540 }
2541 paranoid_fclose(fout);
2542 log_it("Device successfully zeroed.");
2543 return (0);
2544}
2545
2546/**
2547 * Return the device pointed to by @p incoming.
2548 * @param incoming The device to resolve symlinks for.
2549 * @return The path to the real device file.
2550 * @note The returned string points to static storage that will be overwritten with each call.
2551 * @bug Won't work with file v4.0; needs to be written in C.
2552 */
2553char *resolve_softlinks_to_get_to_actual_device_file(char *incoming)
2554{
2555 static char output[MAX_STR_LEN];
2556 char *command;
2557 char *curr_fname;
2558 char *scratch = NULL;
2559 char *tmp = NULL;
2560 char *p;
2561
2562 struct stat statbuf;
2563 command = malloc(1000);
2564 malloc_string(curr_fname);
2565 if (!does_file_exist(incoming)) {
2566 log_it
2567 ("resolve_softlinks_to_get_to_actual_device_file --- device not found");
2568 strcpy(output, incoming);
2569 } else {
2570 strcpy(curr_fname, incoming);
2571 lstat(curr_fname, &statbuf);
2572 while (S_ISLNK(statbuf.st_mode)) {
2573 log_msg(1, "curr_fname = %s", curr_fname);
2574 sprintf(command, "file %s", curr_fname);
2575 mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
2576 for (p = tmp + strlen(tmp); p != tmp && *p != '`' && *p != ' ';
2577 p--);
2578 p++;
2579 mr_asprintf(&scratch, p);
2580 for (p = scratch; *p != '\0' && *p != '\''; p++);
2581 *p = '\0';
2582 log_msg(0, "curr_fname %s --> '%s' --> %s", curr_fname, tmp, scratch);
2583 mr_free(tmp);
2584
2585 if (scratch[0] == '/') {
2586 strcpy(curr_fname, scratch); // copy whole thing because it's an absolute softlink
2587 } else { // copy over the basename cos it's a relative softlink
2588 p = curr_fname + strlen(curr_fname);
2589 while (p != curr_fname && *p != '/') {
2590 p--;
2591 }
2592 if (*p == '/') {
2593 p++;
2594 }
2595 strcpy(p, scratch);
2596 }
2597 mr_free(scratch);
2598 lstat(curr_fname, &statbuf);
2599 }
2600 strcpy(output, curr_fname);
2601 log_it("resolved %s to %s", incoming, output);
2602 }
2603 paranoid_free(command);
2604 paranoid_free(curr_fname);
2605 return (output);
2606}
2607
2608/* @} - end of deviceGroup */
2609
2610
2611/**
2612 * Return the type of partition format (GPT or MBR)
2613 */
2614char *which_partition_format(const char *drive)
2615{
2616 static char output[4];
2617 char *tmp = NULL;
2618 char *command;
2619 char *fdisk;
2620#ifdef __IA64__
2621 struct stat buf;
2622#endif
2623 malloc_string(command);
2624 malloc_string(fdisk);
2625 log_msg(0, "Looking for partition table format type");
2626 sprintf(fdisk, "/sbin/parted2fdisk");
2627 log_msg(1, "Using %s", fdisk);
2628 sprintf(command, "%s -l %s | grep 'EFI GPT'", fdisk, drive);
2629 mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
2630 if (strstr(tmp, "GPT") == NULL) {
2631 strcpy(output, "MBR");
2632 } else {
2633 strcpy(output, "GPT");
2634 }
2635 mr_free(tmp);
2636
2637 log_msg(0, "Found %s partition table format type", output);
2638 paranoid_free(command);
2639 paranoid_free(fdisk);
2640 return (output);
2641}
2642
2643/* @} - end of deviceGroup */
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