source: MondoRescue/branches/3.3/mondo/src/common/libmondo-tools.c@ 3866

Last change on this file since 3866 was 3856, checked in by Bruno Cornec, 3 months ago

remove snprintf usage and use bkpinfo for serial_string
  • Property svn:keywords set to Id
File size: 40.2 KB
Line 
1/*
2 $Id: libmondo-tools.c 3856 2024-03-06 16:29:44Z bruno $
3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
12#include "mr_mem.h"
13#include "mr_sys.h"
14#include "mondostructures.h"
15#include "lib-common-externs.h"
16#include "libmondo-tools.h"
17#include "libmondo-gui-EXT.h"
18#include "libmondo-files-EXT.h"
19#include "libmondo-fork-EXT.h"
20#include "libmondo-raid-EXT.h"
21#include "libmondo-devices-EXT.h"
22#include <sys/socket.h>
23#include <netdb.h>
24#include <stdlib.h>
25#include <netinet/in.h>
26#include <arpa/inet.h>
27#include <sys/utsname.h>
28
29/*@unused@*/
30//static char cvsid[] = "$Id: libmondo-tools.c 3856 2024-03-06 16:29:44Z bruno $";
31
32extern int g_tape_buffer_size_MB;
33extern bool g_text_mode;
34extern int g_currentY;
35extern int g_current_media_number;
36extern char *MONDO_LOGFILE;
37
38/* Reference to global bkpinfo */
39extern struct s_bkpinfo *bkpinfo;
40
41/**
42 * @addtogroup globalGroup
43 * @{
44 */
45bool g_remount_cdrom_at_end; ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
46bool g_cd_recovery = FALSE; ///< TRUE if we're making an "autonuke" backup.
47double g_kernel_version;
48
49/**
50 * The place where /boot is mounted.
51 */
52char *g_boot_mountpt = NULL;
53
54/**
55 * The location of Mondo's home directory.
56 */
57extern char *g_mondo_home;
58
59/**
60 * The location where tmpfs is mounted, or "" if it's not mounted.
61char *g_tmpfs_mountpt = NULL;
62 */
63char *g_magicdev_command = NULL;
64
65/**
66 * The default maximum level to log messages at or below.
67 */
68int g_loglevel = DEFAULT_DEBUG_LEVEL;
69
70/* @} - end of globalGroup */
71
72
73extern pid_t g_buffer_pid;
74extern pid_t g_main_pid;
75
76extern t_bkptype g_backup_media_type;
77
78extern bool am_I_in_disaster_recovery_mode(void);
79
80/*-----------------------------------------------------------*/
81
82
83/**
84 * @addtogroup utilityGroup
85 * @{
86 */
87/**
88 * Assertion handler. Prints a friendly message to the user,
89 * offering to ignore all, dump core, break to debugger,
90 * exit, or ignore. Intended to be used with an assert() macro.
91 *
92 * @param file The file in which the assertion triggered.
93 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
94 * @param line The line number of the assert() statement.
95 * @param exp The expression that failed (as a string).
96 */
97void _mondo_assert_fail(const char *file,
98 const char *function, int line, const char *exp)
99{
100 static int ignoring_assertions = 0;
101 bool is_valid = TRUE;
102
103 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line, function);
104 if (ignoring_assertions) {
105 log_it("Well, the user doesn't care...");
106 return;
107 }
108 if (!g_text_mode)
109 newtSuspend();
110 printf("ASSERTION FAILED: `%s'\n", exp);
111 printf("\tat %s:%d in %s\n\n", file, line, function);
112 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
113 do {
114 is_valid = TRUE;
115 switch (toupper(getchar())) {
116 case 'A': // ignore (A)ll
117 ignoring_assertions = 1;
118 break;
119 case 'B': // a(B)ort
120 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
121 raise(SIGABRT);
122 break; /* "can't get here" */
123 case 'D': // (D)ebug, aka asm("int 3")
124#ifdef __IA32__
125 __asm__ __volatile__("int $3"); // break to debugger
126#endif
127 break;
128 case 'E': // (E)xit
129 fatal_error("Failed assertion -- see above for details");
130 break; /* "can't get here" */
131 case 'I': // (I)gnore
132 break;
133 /* These next two work as follows:
134 the `default' catches the user's invalid choice and says so;
135 the '\n' catches the newline on the end and prints the prompt again.
136 */
137 case '\n':
138 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
139 break;
140 default:
141 is_valid = FALSE;
142 printf("Invalid choice.\n");
143 break;
144 }
145 } while (!is_valid);
146
147 if (ignoring_assertions) {
148 log_it("Ignoring ALL assertions from now on.");
149 } else {
150 log_it("Ignoring assertion: %s", exp);
151 }
152
153 getchar(); // skip \n
154
155 if (!g_text_mode)
156 newtResume();
157}
158
159/**
160 * Clean's up users' KDE desktops.
161 * @bug Details about this function are unknown.
162 */
163void clean_up_KDE_desktop_if_necessary(void)
164{
165 char *tmp = NULL;
166
167 mr_asprintf(tmp, "for i in `find /root /home -maxdepth 2 -type d -name Desktop -maxdepth 2`; do file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } else { print $0;};}' $file.old > $file ; fi ; done");
168 run_program_and_log_output(tmp, 5);
169 mr_free(tmp);
170}
171
172
173/**
174 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
175 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
176 *
177 * @param home_sz String to store the home directory ("" if it could not be found).
178 * @return 0 for success, nonzero for failure.
179 */
180int find_and_store_mondoarchives_home(char *home_sz)
181{
182 assert(home_sz != NULL);
183 strcpy(home_sz, MONDO_SHARE);
184 return (0);
185}
186
187
188char *get_architecture(void) {
189#ifdef __IA32__
190# ifdef __X86_64__
191 return ("x86_64");
192# else
193 return ("i386");
194# endif
195#endif
196#ifdef __IA64__
197 return ("ia64");
198#endif
199 return ("unknown");
200}
201
202
203char *get_uname_m(void) {
204
205 struct utsname utsn;
206 char *tmp = NULL;
207
208 uname(&utsn);
209 mr_asprintf(tmp, "%s", utsn.machine);
210 return (tmp);
211}
212
213
214
215double get_kernel_version(void)
216{
217 char *p = NULL;
218 char *tmp = NULL;
219 double d;
220#ifdef __FreeBSD__
221 // JOSH - FIXME :)
222 d = 5.2; // :-)
223#else
224 tmp = call_program_and_get_last_line_of_output("uname -r");
225 p = strchr(tmp, '.');
226 if (p) {
227 p = strchr(++p, '.');
228 if (p) {
229 while (*p) {
230 *p = *(p + 1);
231 p++;
232 }
233 }
234 }
235 d = atof(tmp);
236 mr_free(tmp);
237#endif
238 log_msg(1, "g_kernel_version = %f", d);
239 return (d);
240}
241
242
243/**
244 * Get the current time.
245 * @return number of seconds since the epoch.
246 */
247long get_time()
248{
249 return (long) time((void *) 0);
250}
251
252
253/**
254 * Initialize a RAID volume structure, setting fields to zero. The
255 * actual hard drive is unaffected.
256 *
257 * @param raidrec The RAID volume structure to initialize.
258 * @note This function is system dependent.
259 */
260#ifdef __FreeBSD__
261void initialize_raidrec(struct vinum_volume *raidrec)
262{
263 int i, j;
264 raidrec->volname[0] = '\0';
265 raidrec->plexes = 0;
266 for (i = 0; i < 9; ++i) {
267 raidrec->plex[i].raidlevel = -1;
268 raidrec->plex[i].stripesize = 0;
269 raidrec->plex[i].subdisks = 0;
270 for (j = 0; j < 9; ++j) {
271 strcpy(raidrec->plex[i].sd[j].which_device, "");
272 }
273 }
274}
275#else
276void initialize_raidrec(struct raid_device_record *raidrec)
277{
278 assert(raidrec != NULL);
279 raidrec->raid_device[0] = '\0';
280 raidrec->raid_level = -9;
281 raidrec->persistent_superblock = 1;
282 raidrec->chunk_size = 64;
283 raidrec->parity = -1;
284 raidrec->data_disks.entries = 0;
285 raidrec->spare_disks.entries = 0;
286 raidrec->parity_disks.entries = 0;
287 raidrec->failed_disks.entries = 0;
288 raidrec->additional_vars.entries = 0;
289}
290#endif
291
292
293
294
295/**
296 * Insert modules that Mondo requires.
297 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
298 * @c msdosfs and @c ext2fs for FreeBSD.
299 */
300void insmod_crucial_modules(void)
301{
302#ifdef __FreeBSD__
303 paranoid_system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
304 paranoid_system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
305#else
306 paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
307#endif
308}
309
310/* compute the final options for bootable media, considering the command and the boot type */
311char *mr_compute_uefi_string(char *isofs_cmd) {
312
313 char *uefistr = NULL;
314 char *mondo_mkisofs_sz = NULL;
315
316 /* real media */
317 if (strstr(isofs_cmd,"growisofs")) {
318 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
319 } else {
320 /* iso image */
321 if (bkpinfo->boot_type == UEFI) {
322 if (strstr(isofs_cmd,"xorriso")) {
323 /* xorriso needs another '-' before efi-boot */
324 mr_asprintf(uefistr, "%s -%s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
325 } else {
326 mr_asprintf(uefistr, "%s %s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
327 }
328 } else {
329 mr_asprintf(uefistr, "%s",MONDO_MKISOFS_CMS);
330 }
331 mr_asprintf(mondo_mkisofs_sz, "%s%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX, uefistr);
332 }
333
334 return(mondo_mkisofs_sz);
335}
336
337/**
338 * Finish configuring the backup information structure. Call this function
339 * to set the parameters that depend on those that can be given on the command
340 * line.
341 *
342 * @param bkpinfo The backup information structure. Fields modified/used:
343 * - Used: @c bkpinfo->backup_data
344 * - Used: @c bkpinfo->backup_media_type
345 * - Used: @c bkpinfo->cdrw_speed
346 * - Used: @c bkpinfo->compression_level
347 * - Used: @c bkpinfo->include_paths
348 * - Used: @c bkpinfo->prefix
349 * - Used: @c bkpinfo->isodir
350 * - Used: @c bkpinfo->manual_cd_tray
351 * - Used: @c bkpinfo->make_cd_use_lilo
352 * - Used: @c bkpinfo->media_device
353 * - Used: @c bkpinfo->netfs_mount
354 * - Used: @c bkpinfo->nonbootable_backup
355 * - Used: @c bkpinfo->scratchdir
356 * - Used: @c bkpinfo->tmpdir
357 * - Used: @c bkpinfo->use_lzo
358 * - Modified: @c bkpinfo->call_before_iso
359 * - Modified: @c bkpinfo->call_make_iso
360 * - Modified: @c bkpinfo->optimal_set_size
361 * - Modified: @c bkpinfo->zip_exe
362 * - Modified: @c bkpinfo->zip_suffix
363 *
364 * @return number of errors, or 0 for success.
365 * @note Also creates directories that are specified in the @c bkpinfo structure but
366 * do not exist.
367 */
368int post_param_configuration()
369{
370 char *extra_cdrom_params = NULL;
371 char *mondo_mkisofs_sz = NULL;
372 char *command = NULL;
373 char *isofs_cmd = NULL;
374 int retval = 0;
375 char *cdr_exe = NULL;
376 char *tmp = NULL;
377 char *call_before_iso_user = NULL;
378 char *iso_dev = NULL;
379 char *iso_mnt = NULL;
380 char *iso_tmp = NULL;
381 char *iso_dir = NULL;
382
383 assert(bkpinfo != NULL);
384
385 bkpinfo->optimal_set_size = (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * 1024L;
386
387 log_msg(1, "Post-param");
388 if (bkpinfo->backup_media_type == tape) {
389 if (whine_if_not_found("mt") == 1) {
390 fatal_error("Please install the mt command");
391 }
392 log_msg(1, "Tape");
393 if (bkpinfo->media_device == NULL) {
394 return(1);
395 }
396 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
397 log_msg(1, "tmp = '%s'", tmp);
398 if (run_program_and_log_output(tmp, 3)) {
399 mr_free(tmp);
400 fatal_error("Unable to open tape device. If you haven't specified it with -d, do so. If you already have, check your parameter. I think it's wrong.");
401 }
402 mr_free(tmp);
403 }
404 if (bkpinfo->backup_media_type == iso)
405 make_hole_for_dir(bkpinfo->isodir);
406
407 run_program_and_log_output("uname -a", 5);
408 run_program_and_log_output("cat /etc/*-release", 5);
409 run_program_and_log_output("cat /etc/*issue*", 5);
410#ifdef __FreeBSD__
411#else
412 run_program_and_log_output("cat /proc/cpuinfo", 5);
413 /*
414 run_program_and_log_output("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", 5);
415 */
416#endif
417
418 if (bkpinfo->use_lzo) {
419 mr_asprintf(bkpinfo->zip_exe, "%s", "lzop");
420 mr_asprintf(bkpinfo->zip_suffix, "%s", "lzo");
421 } else if (bkpinfo->use_gzip) {
422 mr_asprintf(bkpinfo->zip_exe, "%s", "gzip");
423 mr_asprintf(bkpinfo->zip_suffix, "%s", "gz");
424 } else if (bkpinfo->use_lzma) {
425 mr_asprintf(bkpinfo->zip_exe, "%s", "xz");
426 mr_asprintf(bkpinfo->zip_suffix, "%s", "xz");
427 } else if (bkpinfo->compression_level != 0) {
428 mr_asprintf(bkpinfo->zip_exe, "%s", "bzip2");
429 mr_asprintf(bkpinfo->zip_suffix, "%s", "bz2");
430 } else {
431 mr_free(bkpinfo->zip_exe);
432 mr_free(bkpinfo->zip_suffix);
433 }
434
435// DVD
436
437 if (bkpinfo->backup_media_type == dvd) {
438 if (find_home_of_exe("growisofs")) {
439 mr_asprintf(cdr_exe, "growisofs");
440 } // unlikely to be used
441 else {
442 fatal_error("Please install growisofs.");
443 }
444 if (bkpinfo->nonbootable_backup) {
445 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
446 } else if
447#ifdef __FreeBSD__
448 (TRUE)
449#else
450 (bkpinfo->make_cd_use_lilo)
451#endif
452#ifdef __IA64__
453 {
454 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
455 }
456#else
457 {
458 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
459 }
460#endif
461 else {
462 mondo_mkisofs_sz = mr_compute_uefi_string(cdr_exe);
463 }
464 if (bkpinfo->manual_cd_tray) {
465 fatal_error("Manual CD tray + DVD not supported yet.");
466 // -m isn't supported by growisofs, BTW...
467 } else {
468 mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
469 }
470 mr_free(mondo_mkisofs_sz);
471 if (getenv ("SUDO_COMMAND")) {
472 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
473 tmp = call_program_and_get_last_line_of_output(command);
474 mr_free(command);
475 if (!strcmp(tmp, "1")) {
476 mr_free(tmp);
477 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
478 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
479 }
480 mr_free(tmp);
481 }
482 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
483 } // end of DVD code
484
485// CD-R or CD-RW
486 if (bkpinfo->backup_media_type == cdrw
487 || bkpinfo->backup_media_type == cdr) {
488 if (!bkpinfo->manual_cd_tray) {
489 mr_asprintf(extra_cdrom_params, "-waiti ");
490 }
491 if (bkpinfo->backup_media_type == cdrw) {
492 mr_asprintf(extra_cdrom_params, "blank=fast ");
493 }
494 if (extra_cdrom_params == NULL) {
495 // If not initialized earlier, do it now
496 mr_asprintf(extra_cdrom_params, " ");
497 }
498 if (find_home_of_exe("cdrecord")) {
499 mr_asprintf(cdr_exe, "cdrecord");
500 } else if (find_home_of_exe("dvdrecord")) {
501 mr_asprintf(cdr_exe, "dvdrecord");
502 } else {
503 fatal_error("Please install either cdrecord or dvdrecord.");
504 }
505 if (find_home_of_exe("xorriso")) {
506 mr_asprintf(isofs_cmd, "%s", MONDO_XORRISO_CMD);
507 } else if (find_home_of_exe("genisoimage")) {
508 mr_asprintf(isofs_cmd, "%s", MONDO_GENISOIMAGE_CMD);
509 } else {
510 mr_asprintf(isofs_cmd, "%s", MONDO_MKISOFS_CMD);
511 }
512 if (bkpinfo->nonbootable_backup) {
513 mr_asprintf(mondo_mkisofs_sz, "%s%s", isofs_cmd, MONDO_MKISOFS);
514 } else if
515#ifdef __FreeBSD__
516 (TRUE)
517#else
518 (bkpinfo->make_cd_use_lilo)
519#endif
520#ifdef __IA64__
521 {
522 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_ELILO);
523 }
524#else
525 {
526 mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
527 }
528#endif
529 else {
530 mondo_mkisofs_sz = mr_compute_uefi_string(isofs_cmd);
531 }
532 mr_free(isofs_cmd);
533
534 if (bkpinfo->manual_cd_tray) {
535 if (bkpinfo->call_before_iso == NULL) {
536 mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
537 } else {
538 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
539 mr_free(bkpinfo->call_before_iso);
540 mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
541 mr_free(call_before_iso_user);
542 }
543 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
544 mr_asprintf(bkpinfo->call_make_iso, "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed, bkpinfo->tmpdir);
545 } else {
546 mr_asprintf(bkpinfo->call_make_iso, "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -", mondo_mkisofs_sz, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed);
547 }
548 mr_free(cdr_exe);
549 mr_free(mondo_mkisofs_sz);
550 mr_free(extra_cdrom_params);
551 } // end of CD code
552
553 if (bkpinfo->backup_media_type == iso) {
554
555/* Break up isodir into iso_mnt and iso_dir
556 * These will be used along with iso-dev at restore time
557 * to locate the ISOs where ever they're mounted
558 */
559
560 log_it("isodir = %s", bkpinfo->isodir);
561 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
562 log_it("command = %s", command);
563 iso_dev = call_program_and_get_last_line_of_output(command);
564 log_it("res of it = %s", iso_dev);
565 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
566 write_one_liner_data_file(tmp, iso_dev);
567 mr_free(tmp);
568 mr_free(command);
569
570 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
571 mr_free(iso_dev);
572
573 log_it("command = %s", command);
574 iso_mnt = call_program_and_get_last_line_of_output(command);
575 log_it("res of it = %s", iso_mnt);
576 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
577 write_one_liner_data_file(tmp, iso_mnt);
578 mr_free(tmp);
579 mr_free(command);
580
581 log_it("iso_mnt: %s, %d", iso_mnt, strlen(iso_mnt));
582 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
583 if (strlen(iso_tmp) < strlen(iso_mnt)) {
584 mr_asprintf(iso_dir, "%s", "");
585 } else {
586 // If iso_mnt is only / then iso_dir is the full dir
587 // (the formula bellow doesn't work in this case)
588 if (strcmp(iso_mnt, "/") == 0) {
589 mr_asprintf(iso_dir, "%s", iso_tmp);
590 // else it's a part of iso_tmp
591 } else {
592 mr_asprintf(iso_dir, "%s", iso_tmp + strlen(iso_mnt));
593 }
594 }
595 mr_free(iso_mnt);
596 mr_free(iso_tmp);
597
598 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
599 write_one_liner_data_file(tmp, iso_dir);
600 mr_free(tmp);
601
602 log_it("iso-dir: %s", iso_dir);
603 mr_free(iso_dir);
604
605 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
606 write_one_liner_data_file(tmp, bkpinfo->prefix);
607 mr_free(tmp);
608
609 log_it("iso-prefix: %s", bkpinfo->prefix);
610
611/* End patch */
612 } // end of iso code
613
614 if (bkpinfo->backup_media_type == netfs) {
615 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
616 write_one_liner_data_file(tmp, bkpinfo->prefix);
617 mr_free(tmp);
618
619 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
620 write_one_liner_data_file(tmp, bkpinfo->isodir);
621 mr_free(tmp);
622
623 mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
624 write_one_liner_data_file(tmp, bkpinfo->netfs_remote_dir);
625 mr_free(tmp);
626
627 if (bkpinfo->netfs_mount) {
628 mr_asprintf(tmp, "%s/NETFS-SERVER-MOUNT", bkpinfo->tmpdir);
629 write_one_liner_data_file(tmp, bkpinfo->netfs_mount);
630 mr_free(tmp);
631 } else {
632 log_it("netfs_mount is NULL");
633 retval++;
634 }
635 }
636
637 log_it("Finished processing incoming params");
638 if (retval) {
639 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
640 }
641 if (bkpinfo->include_paths == NULL) {
642 mr_asprintf(bkpinfo->include_paths, "/");
643 }
644 g_backup_media_type = bkpinfo->backup_media_type;
645 return (retval);
646}
647
648
649
650/**
651 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
652 * Seeds the random-number generator, loads important modules, checks the sanity
653 * of the user's Linux distribution, and deletes logfile.
654 * @param bkpinfo The backup information structure. Will be initialized.
655 * @return number of errors (0 for success)
656 */
657int pre_param_configuration()
658{
659 int res = 0;
660 char *tmp = NULL;
661
662 make_hole_for_dir(MNT_CDROM);
663 assert(bkpinfo != NULL);
664 srandom((unsigned long) (time(NULL)));
665 insmod_crucial_modules();
666 if (bkpinfo->disaster_recovery) {
667 if (!does_nonMS_partition_exist()) {
668 fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
669 }
670 }
671
672 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
673 run_program_and_log_output(tmp, FALSE);
674 paranoid_free(tmp);
675 if (find_and_store_mondoarchives_home(g_mondo_home)) {
676 fprintf(stderr, "Cannot find Mondo's homedir. I think you have >1 'mondo' directory on your hard disk. Please delete the superfluous 'mondo' directories and try again\n");
677 res++;
678 return (res);
679 }
680 res += some_basic_system_sanity_checks();
681 if (res) {
682 log_it("Your distribution did not pass Mondo's sanity test.");
683 }
684 g_current_media_number = 1;
685 return (res);
686}
687
688/* From busybox under GPLv2 */
689#ifndef HAVE_MKDTEMP
690/* This is now actually part of POSIX.1, but was only added in 2008 */
691char* mkdtemp(char *template)
692{
693 if (mkstemp(template) == -1) {
694 return NULL;
695 }
696 unlink(template);
697 if (mkdir(template, 0700) != 0) {
698 return NULL;
699 }
700 return template;
701}
702#endif
703
704void setup_tmpdir(char *path) {
705
706 char *tmp = NULL;
707
708 if (bkpinfo->tmpdir != NULL) {
709 /* purging a potential old tmpdir */
710 if (chdir("/tmp")) {
711 // FIXME
712 }
713 if (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL) {
714 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
715 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
716 } else {
717 log_it("Purging old tmpdir %s/mondo.tmp.*", bkpinfo->tmpdir);
718 mr_asprintf(tmp,"rm -Rf %s/mondo.tmp.*",bkpinfo->tmpdir);
719 }
720 paranoid_system(tmp);
721 mr_free(tmp);
722 }
723
724 /* Always take in account arg first, then env, then default */
725 if (path != NULL) {
726 mr_system("mkdir -p %s",path);
727 log_it("Created temporary directory %s", path);
728 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
729 } else if (getenv("TMPDIR")) {
730 mr_system("mkdir -p %s",getenv("TMPDIR"));
731 log_it("Created temporary directory %s", getenv("TMPDIR"));
732 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
733 } else if (getenv("MRTMP")) {
734 mr_system("mkdir -p %s",getenv("MRTMP"));
735 log_it("Created temporary directory %s", getenv("MRTMP"));
736 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("MRTMP"));
737 } else {
738 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
739 }
740 mr_free(bkpinfo->tmpdir);
741 bkpinfo->tmpdir = mkdtemp(tmp);
742 if (bkpinfo->tmpdir == NULL) {
743 printf("Failed to create global tmp directory %s for Mondo.",tmp);
744 mr_free(tmp);
745 finish(-1);
746 }
747 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
748 mr_system("mkdir -p %s/tmpfs", bkpinfo->tmpdir);
749}
750
751void setup_scratchdir(char *path) {
752
753 char *tmp = NULL;
754
755 if (bkpinfo->scratchdir != NULL) {
756 /* purging a potential old scratchdir */
757 if (chdir("/tmp")) {
758 // FIXME
759 }
760 if (strstr(bkpinfo->scratchdir,"mondo.scratch.") != NULL) {
761 log_it("Purging old scratchdir %s", bkpinfo->scratchdir);
762 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->scratchdir);
763 } else {
764 log_it("Purging old scratchdir %s/mondo.scratch.*", bkpinfo->scratchdir);
765 mr_asprintf(tmp,"rm -Rf %s/mondo.scratch.*",bkpinfo->scratchdir);
766 }
767 paranoid_system(tmp);
768 mr_free(tmp);
769 }
770
771 /* Always take in account arg first, then env, then default */
772 if (path != NULL) {
773 mr_system("mkdir -p %s",path);
774 log_it("Created scratch directory %s", path);
775 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", path);
776 } else if (getenv("MRSCRATCH")) {
777 mr_system("mkdir -p %s",getenv("MRSCRATCH"));
778 log_it("Created scratch directory %s", getenv("MRSCRATCH"));
779 mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", getenv("MRSCRATCH"));
780 } else {
781 mr_asprintf(tmp, "/tmp/mondo.scratch.XXXXXX");
782 }
783 mr_free(bkpinfo->scratchdir);
784 bkpinfo->scratchdir = mkdtemp(tmp);
785 if (bkpinfo->scratchdir == NULL) {
786 log_it("Failed to create global scratch directory %s for Mondo.",tmp);
787 mr_free(tmp);
788 finish(-1);
789 }
790 log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
791 mr_system("mkdir -p %s", bkpinfo->scratchdir);
792}
793
794
795/**
796 * Reset all fields of the backup information structure to a sensible default.
797 * @param bkpinfo The @c bkpinfo to reset.
798 */
799void reset_bkpinfo()
800{
801 assert(bkpinfo != NULL);
802 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
803
804 bkpinfo->media_device = NULL;
805 bkpinfo->media_size = -1;
806 bkpinfo->boot_loader = '\0';
807 bkpinfo->boot_device = NULL;
808 bkpinfo->zip_exe = NULL;
809 bkpinfo->zip_suffix = NULL;
810 bkpinfo->image_devs = NULL;
811 bkpinfo->compression_level = 3;
812 bkpinfo->use_lzo = FALSE;
813 bkpinfo->use_gzip = FALSE;
814 bkpinfo->use_lzma = FALSE;
815 bkpinfo->verify_data = FALSE;
816 bkpinfo->backup_data = FALSE;
817 bkpinfo->restore_data = FALSE;
818 bkpinfo->use_star = FALSE;
819 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
820
821 /* We need tmpdir as early as possible for further function calls */
822 bkpinfo->tmpdir = NULL; // Really setup just after
823 bkpinfo->scratchdir = NULL; // Really setup just after
824 setup_tmpdir(NULL);
825 setup_scratchdir(NULL);
826
827 bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
828 if (bkpinfo->disaster_recovery) {
829 mr_asprintf(bkpinfo->isodir, "%s", "/");
830 } else {
831 mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
832 }
833 mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
834 bkpinfo->optimal_set_size = 0L;
835 bkpinfo->backup_media_type = none;
836 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
837 bkpinfo->exclude_paths = NULL;
838 bkpinfo->include_paths = NULL;
839 bkpinfo->exclude_devs = NULL;
840 bkpinfo->restore_path = NULL;
841 bkpinfo->call_before_iso = NULL;
842 bkpinfo->call_make_iso = NULL;
843 bkpinfo->call_burn_iso = NULL;
844 bkpinfo->call_after_iso = NULL;
845 bkpinfo->kernel_path = NULL;
846 bkpinfo->netfs_mount = NULL;
847 bkpinfo->netfs_proto = NULL;
848 bkpinfo->netfs_user = NULL;
849 bkpinfo->netfs_remote_dir = NULL;
850 bkpinfo->postnuke_tarball = NULL;
851 bkpinfo->subdir = NULL;
852 bkpinfo->wipe_media_first = FALSE;
853 bkpinfo->differential = 0;
854 bkpinfo->please_dont_eject = FALSE;
855 bkpinfo->cdrw_speed = 0;
856 bkpinfo->manual_cd_tray = FALSE;
857 bkpinfo->nonbootable_backup = FALSE;
858 bkpinfo->make_cd_use_lilo = FALSE;
859 bkpinfo->use_obdr = FALSE;
860 bkpinfo->restore_mode = interactive;
861 bkpinfo->boot_type = BIOS;
862}
863
864
865/**
866 * Get the remaining free space (in MB) on @p partition.
867 * @param partition The partition to check free space on (either a device or a mountpoint).
868 * @return The free space on @p partition, in MB.
869 */
870long free_space_on_given_partition(char *partition)
871{
872 char *out_sz = NULL;
873 char *command = NULL;
874 long res;
875
876 assert_string_is_neither_NULL_nor_zerolength(partition);
877
878 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
879 if (system(command)) {
880 mr_free(command);
881 return (-1);
882 } // partition does not exist
883 mr_free(command);
884
885 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
886 out_sz = call_program_and_get_last_line_of_output(command);
887 mr_free(command);
888
889 if (strlen(out_sz) == 0) {
890 mr_free(out_sz);
891 return (-1);
892 } // error within df, probably
893 res = atol(out_sz);
894 mr_free(out_sz);
895 return (res);
896}
897
898
899
900/**
901 * Check the user's system for sanity. Checks performed:
902 * - make sure user has enough RAM (32mb required, 64mb recommended)
903 * - make sure user has enough free space in @c /
904 * - check kernel for ramdisk support
905 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
906 * - make sure CD-ROM is unmounted
907 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
908 *
909 * @return number of problems with the user's setup (0 for success)
910 */
911int some_basic_system_sanity_checks()
912{
913
914 /*@ buffers ************ */
915 char *tmp = NULL;
916
917 /*@ int's *************** */
918 int retval = 0;
919
920 mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
921#ifndef __FreeBSD__
922 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
923 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
924 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
925 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
926 }
927 tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2");
928 if (atol(tmp) < 35000) {
929 retval++;
930 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
931 }
932 if (atol(tmp) < 66000) {
933 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
934 }
935 mr_free(tmp);
936#endif
937
938 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
939 retval++;
940 log_to_screen("Unable to find " MKE2FS_OR_NEWFS " in system path.");
941 fatal_error("Please use \"su -\", not \"su\" to become root. OK?\n...and please don't e-mail the mailing list about this. Just read the message. :)");
942 }
943#ifndef __FreeBSD__
944 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
945 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
946 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
947 if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
948 if (!ask_me_yes_or_no("Your kernel has no ramdisk support. That's mind-numbingly stupid but I'll allow it if you're planning to use another kernel. Are you?")) {
949 // retval++;
950 log_to_screen("It looks as if your kernel lacks ramdisk and initrd support.");
951 log_to_screen("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
952 }
953 }
954 }
955#endif
956 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
957 if (system("which xorriso > /dev/null 2> /dev/null")) {
958 if (system("which genisoimage > /dev/null 2> /dev/null")) {
959 retval += whine_if_not_found("mkisofs");
960 }
961 }
962 if (system("which wodim > /dev/null 2> /dev/null")) {
963 retval += whine_if_not_found("cdrecord");
964 }
965 retval += whine_if_not_found("bzip2");
966 retval += whine_if_not_found("gzip");
967 retval += whine_if_not_found("awk");
968 retval += whine_if_not_found("md5sum");
969 retval += whine_if_not_found("strings");
970 retval += whine_if_not_found("mindi");
971 retval += whine_if_not_found("buffer");
972
973 // abort if Windows partition but no ms-sys and parted
974 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
975 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -Ew efi", 0)) {
976 log_to_screen("I think you have a EFI/UEFI partition.");
977 } else {
978 log_to_screen("I think you have a Windows 9x partition.");
979 }
980 retval += whine_if_not_found("parted");
981 }
982
983 if (!find_home_of_exe("cmp")) {
984 whine_if_not_found("cmp");
985 }
986 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
987 tmp = call_program_and_get_last_line_of_output("mount | grep -E 'cdr(om|w)'");
988 if (strcmp("", tmp)) {
989 if (strstr(tmp, "autofs")) {
990 log_to_screen("Your CD-ROM is mounted via autofs. I therefore cannot tell");
991 log_to_screen("if a CD actually is inserted. If a CD is inserted, please");
992 log_to_screen("eject it. Thank you.");
993 log_it("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
994 } else
995 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
996 retval++;
997 mr_free(tmp);
998 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
999 }
1000 }
1001 mr_free(tmp);
1002
1003 run_program_and_log_output("cat /etc/fstab", 5);
1004#ifdef __FreeBSD__
1005 run_program_and_log_output("vinum printconfig", 5);
1006#else
1007 run_program_and_log_output("cat /etc/raidtab", 5);
1008#endif
1009
1010 if (run_program_and_log_output("mindi -V", 1)) {
1011 log_to_screen("Could not ascertain mindi's version number.");
1012 log_to_screen("You have not installed Mondo and/or Mindi properly.");
1013 log_to_screen("Please uninstall and reinstall them both.");
1014 fatal_error("Please reinstall Mondo and Mindi.");
1015 }
1016 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1017 if (run_program_and_log_output(tmp, 5)) {
1018 log_to_screen("%s failed for some reason.", tmp);
1019 mr_free(tmp);
1020 log_to_screen("Please run that command by hand and examine "MINDI_LOGFILE);
1021 log_to_screen("for more information. Perhaps your /etc/fstab file is insane.");
1022 log_to_screen("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1023 retval++;
1024 }
1025 mr_free(tmp);
1026
1027 if (!run_program_and_log_output("mr-parted2fdisk -l 2>/dev/null | grep -i raid", 1) && !does_file_exist("/etc/raidtab")) {
1028 log_to_screen("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1029 create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
1030 }
1031
1032 if (retval) {
1033 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1034 } else {
1035 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1036 }
1037 return (retval);
1038}
1039
1040/**
1041 * Retrieve the line containing @p label from the config file.
1042 * @param config_file The file to read from, usually @c /tmp/mondorestore.cfg.
1043 * @param label What to read from the file.
1044 * @param value Where to put it.
1045 * @return 0 for success, 1 for failure.
1046 */
1047int read_cfg_var(char *config_file, char *label, char *value)
1048{
1049 /*@ buffer ****************************************************** */
1050 char *command = NULL;
1051 char *tmp = NULL;
1052
1053 /*@ end vars *************************************************** */
1054
1055 assert_string_is_neither_NULL_nor_zerolength(config_file);
1056 assert_string_is_neither_NULL_nor_zerolength(label);
1057 if (!does_file_exist(config_file)) {
1058 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
1059 value[0] = '\0';
1060 return (1);
1061 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1062 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
1063 return (0);
1064 } else {
1065 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
1066 tmp = call_program_and_get_last_line_of_output(command);
1067 strcpy(value, tmp);
1068 mr_free(command);
1069
1070 log_msg(4, "Configuration item %s is %s", label, value);
1071 if (strlen(value) == 0) {
1072 return (1);
1073 } else {
1074 return (0);
1075 }
1076 }
1077}
1078
1079
1080
1081/**
1082 * Remount @c supermount if it was unmounted earlier.
1083 */
1084void remount_supermounts_if_necessary()
1085{
1086 if (g_remount_cdrom_at_end) {
1087 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1088 }
1089}
1090
1091/**
1092 * Unmount @c supermount if it's mounted.
1093 */
1094void unmount_supermounts_if_necessary()
1095{
1096 if (run_program_and_log_output
1097 ("mount | grep cdrom | grep super", FALSE) == 0) {
1098 g_remount_cdrom_at_end = TRUE;
1099 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1100 }
1101}
1102
1103/**
1104 * Whether we had to stop autofs (if so, restart it at end).
1105 */
1106bool g_autofs_stopped = FALSE;
1107
1108/**
1109 * Path to the autofs initscript ("" if none exists).
1110 */
1111char g_autofs_exe[MAX_STR_LEN];
1112
1113/**
1114 * Autofs initscript in Xandros Linux distribution.
1115 */
1116#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1117
1118/**
1119 * Autofs initscript in most Linux distributions.
1120 */
1121#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1122
1123/**
1124 * If autofs is mounted, stop it (restart at end).
1125 */
1126void stop_autofs_if_necessary()
1127{
1128 char *tmp = NULL;
1129
1130 g_autofs_exe[0] = '\0';
1131 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1132 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1133 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1134 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1135 }
1136
1137 if (!g_autofs_exe[0]) {
1138 log_msg(3, "No autofs detected.");
1139 } else {
1140 log_msg(3, "%s --- autofs detected", g_autofs_exe);
1141 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
1142 mr_asprintf(tmp, "%s stop", g_autofs_exe);
1143 if (run_program_and_log_output(tmp, 2)) {
1144 log_it("Failed to stop autofs - I assume it wasn't running");
1145 } else {
1146 g_autofs_stopped = TRUE;
1147 log_it("Stopped autofs OK");
1148 }
1149 mr_free(tmp);
1150 }
1151}
1152
1153/**
1154 * If autofs was stopped earlier, restart it.
1155 */
1156void restart_autofs_if_necessary()
1157{
1158 char *tmp = NULL;
1159
1160 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1161 log_msg(3, "No autofs detected.");
1162 return;
1163 }
1164 mr_asprintf(tmp, "%s start", g_autofs_exe);
1165 if (run_program_and_log_output(tmp, 2)) {
1166 log_it("Failed to start autofs");
1167 } else {
1168 g_autofs_stopped = FALSE;
1169 log_it("Started autofs OK");
1170 }
1171 mr_free(tmp);
1172}
1173
1174
1175/**
1176 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1177 */
1178void mount_boot_if_necessary() {
1179 char *tmp = NULL;
1180 char *command = NULL;
1181
1182 log_msg(1, "Started sub");
1183 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1184 g_boot_mountpt[0] = '\0';
1185 log_msg(4, "Done. Great. Setting command to something");
1186 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1187 log_msg(4, "Cool. Command = '%s'", command);
1188 tmp = call_program_and_get_last_line_of_output(command);
1189 mr_free(command);
1190
1191 log_msg(4, "tmp = '%s'", tmp);
1192 log_it("/boot is at %s according to /etc/fstab", tmp);
1193 mr_asprintf(command, "mount | grep -Ew '/boot'");
1194 mr_free(tmp);
1195
1196 tmp = call_program_and_get_last_line_of_output(command);
1197 mr_free(command);
1198
1199 if (!strcmp(tmp,"")) {
1200 if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=") != NULL)) {
1201 if (!run_program_and_log_output("mount /boot", 5)) {
1202 strcpy(g_boot_mountpt, "/boot");
1203 log_msg(1, "Mounted /boot");
1204 } else {
1205 log_it("...ignored cos it's a label or uuid :-)");
1206 }
1207 } else {
1208 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1209 log_msg(3, "command = %s", command);
1210 if (run_program_and_log_output(command, 5)) {
1211 strcpy(g_boot_mountpt, tmp);
1212 mr_free(tmp);
1213 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
1214
1215 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1216 if (run_program_and_log_output(tmp, 5)) {
1217 g_boot_mountpt[0] = '\0';
1218 log_msg(1, "Plan B");
1219 if (!run_program_and_log_output("mount /boot", 5)) {
1220 strcpy(g_boot_mountpt, "/boot");
1221 log_msg(1, "Plan B worked");
1222 } else {
1223 log_msg(1,
1224 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1225 }
1226 }
1227 }
1228 mr_free(command);
1229 }
1230 }
1231 mr_free(tmp);
1232 log_msg(1, "Ended sub");
1233}
1234
1235
1236/**
1237 * If we mounted /boot earlier, unmount it.
1238 */
1239void unmount_boot_if_necessary()
1240{
1241 char *tmp = NULL;
1242
1243 log_msg(3, "starting");
1244 if (g_boot_mountpt[0]) {
1245 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
1246 if (run_program_and_log_output(tmp, 5)) {
1247 log_it("WARNING - unable to unmount /boot");
1248 }
1249 mr_free(tmp);
1250 }
1251 log_msg(3, "leaving");
1252}
1253
1254
1255
1256/**
1257 * Write a line to a configuration file. Writes a line of the form,
1258 * @c label @c value.
1259 * @param config_file The file to write to. Usually @c mondorestore.cfg.
1260 * @param label What to call this bit of data you're writing.
1261 * @param value The bit of data you're writing.
1262 * @return 0 for success, 1 for failure.
1263 */
1264int write_cfg_var(char *config_file, char *label, char *value)
1265{
1266 /*@ buffers ***************************************************** */
1267 char *command = NULL;
1268 char *tempfile = NULL;
1269
1270
1271 /*@ end vars *************************************************** */
1272 assert_string_is_neither_NULL_nor_zerolength(config_file);
1273 assert_string_is_neither_NULL_nor_zerolength(label);
1274 assert(value != NULL);
1275 if (!does_file_exist(config_file)) {
1276 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
1277 return (1);
1278 }
1279 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1280 if (does_file_exist(config_file)) {
1281 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
1282 paranoid_system(command);
1283 mr_free(command);
1284 }
1285 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1286 paranoid_system(command);
1287 mr_free(command);
1288
1289 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
1290 paranoid_system(command);
1291 mr_free(command);
1292 unlink(tempfile);
1293 mr_free(tempfile);
1294 return (0);
1295}
1296
1297
1298/**
1299 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1300 * information to the logfile.
1301 */
1302void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1303
1304 va_list args;
1305 static int depth = 0;
1306 FILE *fout;
1307
1308 if (depth > 5) {
1309 depth--;
1310 return;
1311 }
1312 depth++;
1313
1314 if (debug_level <= g_loglevel) {
1315 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1316 return;
1317 }
1318
1319 // add tabs to distinguish log levels
1320 if (debug_level > 0) {
1321 fprintf(fout, "DBG%d: ", debug_level);
1322 if (getpid() == g_main_pid)
1323 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1324 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1325 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1326 else
1327 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1328 } else {
1329 fprintf(fout, "INFO: ");
1330 }
1331 va_start(args, fmt);
1332 vfprintf(fout, fmt, args);
1333 va_end(args);
1334
1335 fprintf(fout, "\n");
1336 paranoid_fclose(fout);
1337 }
1338 depth--;
1339}
1340
1341/**
1342 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1343 */
1344void (*log_debug_msg) (int, const char *, const char *, int, const char *, ...) = standard_log_debug_msg;
1345
1346
1347/**
1348 * Allocate or free important globals, depending on @p mal.
1349 * @param mal If TRUE, malloc; if FALSE, free.
1350 */
1351void do_libmondo_global_strings_thing(int mal)
1352{
1353 if (mal) {
1354 malloc_string(g_boot_mountpt);
1355 malloc_string(g_mondo_home);
1356 malloc_string(g_magicdev_command);
1357 } else {
1358 paranoid_free(g_boot_mountpt);
1359 paranoid_free(g_mondo_home);
1360 paranoid_free(g_magicdev_command);
1361 }
1362}
1363
1364/**
1365 * Allocate important globals.
1366 * @see do_libmondo_global_strings_thing
1367 */
1368void malloc_libmondo_global_strings(void)
1369{
1370 do_libmondo_global_strings_thing(1);
1371}
1372
1373/**
1374 * Free important globals.
1375 * @see do_libmondo_global_strings_thing
1376 */
1377void free_libmondo_global_strings(void)
1378{
1379 do_libmondo_global_strings_thing(0);
1380}
1381
1382
1383
1384/**
1385 * Stop @c magicdev if it's running.
1386 * The command used to start it is saved in @p g_magicdev_command.
1387 */
1388void stop_magicdev_if_necessary()
1389{
1390 char *tmp = NULL;
1391
1392 tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99");
1393 strcpy(g_magicdev_command, tmp);
1394 if (g_magicdev_command[0]) {
1395 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1396 paranoid_system("killall magicdev");
1397 }
1398 mr_free(tmp);
1399}
1400
1401
1402/**
1403 * Restart magicdev if it was stopped.
1404 */
1405void restart_magicdev_if_necessary()
1406{
1407 char *tmp = NULL;
1408
1409 if (g_magicdev_command && g_magicdev_command[0]) {
1410 mr_asprintf(tmp, "%s &", g_magicdev_command);
1411 paranoid_system(tmp);
1412 mr_free(tmp);
1413 }
1414}
1415
1416/* @} - end of utilityGroup */
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