source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-tools.c@ 2405

Last change on this file since 2405 was 2405, checked in by Bruno Cornec, 15 years ago

Removes some malloc_string static allocation
  • Property svn:keywords set to Id
File size: 39.8 KB
RevLine 
[2030]1/*
[99]2 $Id: libmondo-tools.c 2405 2009-09-17 01:45:24Z bruno $
[1]3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
[2211]12#include "mr_mem.h"
[1]13#include "mondostructures.h"
[541]14#include "lib-common-externs.h"
[1]15#include "libmondo-tools.h"
[541]16#include "libmondo-gui-EXT.h"
[1]17#include "libmondo-files-EXT.h"
18#include "libmondo-fork-EXT.h"
19#include "libmondo-raid-EXT.h"
[1917]20#include "libmondo-devices-EXT.h"
[1]21#include <sys/socket.h>
22#include <netdb.h>
[1653]23#include <stdlib.h>
[1]24#include <netinet/in.h>
25#include <arpa/inet.h>
[1375]26#include <sys/utsname.h>
[1]27
28/*@unused@*/
[99]29//static char cvsid[] = "$Id: libmondo-tools.c 2405 2009-09-17 01:45:24Z bruno $";
[1]30
31extern int g_tape_buffer_size_MB;
32extern bool g_text_mode;
33extern int g_currentY;
34extern int g_current_media_number;
[1316]35extern char *MONDO_LOGFILE;
[2317]36extern char *g_serial_string;
[1]37
[1645]38/* Reference to global bkpinfo */
39extern struct s_bkpinfo *bkpinfo;
40
[1]41/**
42 * @addtogroup globalGroup
43 * @{
44 */
[128]45bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
46 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
47bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]48double g_kernel_version;
49
50/**
51 * The place where /boot is mounted.
52 */
[128]53char *g_boot_mountpt = NULL;
[1]54
55/**
56 * The location of Mondo's home directory.
57 */
[128]58char *g_mondo_home = NULL;
[1]59
60/**
61 * The location where tmpfs is mounted, or "" if it's not mounted.
[2030]62char *g_tmpfs_mountpt = NULL;
[1]63 */
[128]64char *g_magicdev_command = NULL;
[1]65
66/**
67 * The default maximum level to log messages at or below.
68 */
[128]69int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]70
71/* @} - end of globalGroup */
72
73
74extern pid_t g_buffer_pid;
75extern pid_t g_main_pid;
76
77extern t_bkptype g_backup_media_type;
78
79extern bool am_I_in_disaster_recovery_mode(void);
80
[1917]81/*-----------------------------------------------------------*/
82
83
[1]84/**
85 * @addtogroup utilityGroup
86 * @{
87 */
88/**
89 * Assertion handler. Prints a friendly message to the user,
90 * offering to ignore all, dump core, break to debugger,
91 * exit, or ignore. Intended to be used with an assert() macro.
92 *
93 * @param file The file in which the assertion triggered.
94 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
95 * @param line The line number of the assert() statement.
96 * @param exp The expression that failed (as a string).
97 */
[128]98void _mondo_assert_fail(const char *file,
99 const char *function, int line, const char *exp)
[1]100{
[128]101 static int ignoring_assertions = 0;
102 bool is_valid = TRUE;
[1]103
[128]104 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
105 function);
106 if (ignoring_assertions) {
107 log_it("Well, the user doesn't care...");
108 return;
109 }
110 if (!g_text_mode)
111 newtSuspend();
[541]112 printf("ASSERTION FAILED: `%s'\n", exp);
113 printf("\tat %s:%d in %s\n\n", file, line, function);
114 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]115 do {
116 is_valid = TRUE;
117 switch (toupper(getchar())) {
118 case 'A': // ignore (A)ll
119 ignoring_assertions = 1;
120 break;
121 case 'B': // a(B)ort
122 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
123 raise(SIGABRT);
124 break; /* "can't get here" */
125 case 'D': // (D)ebug, aka asm("int 3")
[1]126#ifdef __IA32__
[128]127 __asm__ __volatile__("int $3"); // break to debugger
[1]128#endif
[128]129 break;
130 case 'E': // (E)xit
131 fatal_error("Failed assertion -- see above for details");
132 break; /* "can't get here" */
133 case 'I': // (I)gnore
134 break;
135 /* These next two work as follows:
136 the `default' catches the user's invalid choice and says so;
137 the '\n' catches the newline on the end and prints the prompt again.
138 */
139 case '\n':
140 printf
[541]141 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]142 break;
143 default:
144 is_valid = FALSE;
[541]145 printf("Invalid choice.\n");
[128]146 break;
147 }
148 } while (!is_valid);
149
150 if (ignoring_assertions) {
151 log_it("Ignoring ALL assertions from now on.");
152 } else {
153 log_it("Ignoring assertion: %s", exp);
[1]154 }
155
[128]156 getchar(); // skip \n
[1]157
[128]158 if (!g_text_mode)
159 newtResume();
[1]160}
161
162/**
163 * Clean's up users' KDE desktops.
164 * @bug Details about this function are unknown.
165 */
166void clean_up_KDE_desktop_if_necessary(void)
167{
[2334]168 char *tmp = NULL;
[1]169
[2334]170 mr_asprintf(tmp, "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } else { print $0;};}' $file.old > $file ; fi ; done");
[128]171 run_program_and_log_output(tmp, 5);
[2334]172 mr_free(tmp);
[1]173}
174
175
176/**
177 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
178 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
179 *
180 * @param home_sz String to store the home directory ("" if it could not be found).
181 * @return 0 for success, nonzero for failure.
182 */
183int find_and_store_mondoarchives_home(char *home_sz)
184{
[128]185 assert(home_sz != NULL);
[424]186 strcpy(home_sz, MONDO_SHARE);
[182]187 return (0);
[1]188}
189
190
[1375]191char *get_architecture(void) {
[1]192#ifdef __IA32__
[1375]193# ifdef __X86_64__
194 return ("x86_64");
195# else
196 return ("i386");
197# endif
[1]198#endif
199#ifdef __IA64__
[128]200 return ("ia64");
[1]201#endif
[128]202 return ("unknown");
[1]203}
204
205
[1375]206char *get_uname_m(void) {
[1]207
[1375]208 struct utsname utsn;
209 char *tmp = NULL;
210
211 uname(&utsn);
[2323]212 mr_asprintf(tmp, "%s", utsn.machine);
[1375]213 return (tmp);
214}
215
216
217
218double get_kernel_version(void)
[1]219{
[2334]220 char *p = NULL;
221 char *tmp = NULL;
[128]222 double d;
[1]223#ifdef __FreeBSD__
[128]224 // JOSH - FIXME :)
225 d = 5.2; // :-)
[1]226#else
[2383]227 tmp = call_program_and_get_last_line_of_output("uname -r");
[128]228 p = strchr(tmp, '.');
229 if (p) {
230 p = strchr(++p, '.');
231 if (p) {
232 while (*p) {
233 *p = *(p + 1);
234 p++;
235 }
236 }
237 }
238 d = atof(tmp);
[2334]239 mr_free(tmp);
[1]240#endif
[128]241 log_msg(1, "g_kernel_version = %f", d);
242 return (d);
[1]243}
244
245
246/**
247 * Get the current time.
248 * @return number of seconds since the epoch.
249 */
[128]250long get_time()
[1]251{
[128]252 return (long) time((void *) 0);
[1]253}
254
255
256/**
257 * Initialize a RAID volume structure, setting fields to zero. The
258 * actual hard drive is unaffected.
259 *
260 * @param raidrec The RAID volume structure to initialize.
261 * @note This function is system dependent.
262 */
263#ifdef __FreeBSD__
[128]264void initialize_raidrec(struct vinum_volume *raidrec)
[1]265{
[128]266 int i, j;
267 raidrec->volname[0] = '\0';
268 raidrec->plexes = 0;
269 for (i = 0; i < 9; ++i) {
270 raidrec->plex[i].raidlevel = -1;
271 raidrec->plex[i].stripesize = 0;
272 raidrec->plex[i].subdisks = 0;
273 for (j = 0; j < 9; ++j) {
274 strcpy(raidrec->plex[i].sd[j].which_device, "");
275 }
276 }
[1]277}
278#else
[128]279void initialize_raidrec(struct raid_device_record *raidrec)
[1]280{
[128]281 assert(raidrec != NULL);
282 raidrec->raid_device[0] = '\0';
[558]283 raidrec->raid_level = -9;
[128]284 raidrec->persistent_superblock = 1;
[558]285 raidrec->chunk_size = 64;
286 raidrec->parity = -1;
[128]287 raidrec->data_disks.entries = 0;
288 raidrec->spare_disks.entries = 0;
289 raidrec->parity_disks.entries = 0;
290 raidrec->failed_disks.entries = 0;
291 raidrec->additional_vars.entries = 0;
[1]292}
293#endif
294
295
296
297
298/**
299 * Insert modules that Mondo requires.
[1236]300 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]301 * @c msdosfs and @c ext2fs for FreeBSD.
302 */
303void insmod_crucial_modules(void)
304{
305#ifdef __FreeBSD__
[128]306 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
307 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]308#else
[1236]309 system("modprobe -a msdos vfat loop &> /dev/null");
[1]310#endif
311}
312
313
314/**
[541]315 * Log a trace message to the trace file.
316 * @bug This function seems orphaned. Please remove.
317 */
318void log_trace(char *o)
319{
320 /*@ pointers **************************************************** */
321 FILE *fout;
322
323 /*@ buffers ***************************************************** */
324 char output[MAX_STR_LEN];
325
326 /*@ int ****************************************************** */
327 int i;
328
329 /*@ end vars *************************************************** */
330
331 if (o[0] == '\0') {
332 return;
333 }
334 strcpy(output, o);
335 i = (int) strlen(output);
336 if (i <= 0) {
337 return;
338 }
339 if (output[i - 1] < 32) {
340 output[i - 1] = '\0';
341 }
[2357]342 if (g_text_mode) {
[541]343 printf("%s\n", output);
344 }
345
346 fout = fopen(MONDO_TRACEFILE, "a");
347 if (fout) {
348 fprintf(fout, "%s\n", output);
349 paranoid_fclose(fout);
350 } else {
351 log_OS_error("Cannot write to tracefile");
352 }
353}
354
355
356
357
358
359/**
[1]360 * Finish configuring the backup information structure. Call this function
361 * to set the parameters that depend on those that can be given on the command
362 * line.
363 *
364 * @param bkpinfo The backup information structure. Fields modified/used:
365 * - Used: @c bkpinfo->backup_data
366 * - Used: @c bkpinfo->backup_media_type
367 * - Used: @c bkpinfo->cdrw_speed
368 * - Used: @c bkpinfo->compression_level
369 * - Used: @c bkpinfo->include_paths
[20]370 * - Used: @c bkpinfo->prefix
[1]371 * - Used: @c bkpinfo->isodir
372 * - Used: @c bkpinfo->manual_cd_tray
373 * - Used: @c bkpinfo->make_cd_use_lilo
374 * - Used: @c bkpinfo->media_device
[2382]375 * - Used: @c bkpinfo->netfs_mount
[1]376 * - Used: @c bkpinfo->nonbootable_backup
377 * - Used: @c bkpinfo->scratchdir
378 * - Used: @c bkpinfo->tmpdir
379 * - Used: @c bkpinfo->use_lzo
380 * - Modified: @c bkpinfo->call_before_iso
381 * - Modified: @c bkpinfo->call_make_iso
382 * - Modified: @c bkpinfo->optimal_set_size
383 * - Modified: @c bkpinfo->zip_exe
384 * - Modified: @c bkpinfo->zip_suffix
385 *
386 * @return number of errors, or 0 for success.
387 * @note Also creates directories that are specified in the @c bkpinfo structure but
388 * do not exist.
389 */
[1645]390int post_param_configuration()
[1]391{
[2211]392 char *extra_cdrom_params = NULL;
393 char *mondo_mkisofs_sz = NULL;
[2262]394 char *command = NULL;
[2334]395 char *hostname = NULL;
[2211]396 char *ip_address = NULL;
[128]397 int retval = 0;
398 char *colon;
[2334]399 char *cdr_exe = NULL;
[2262]400 char *tmp = NULL;
[2319]401 char *p = NULL;
[2331]402 char *call_before_iso_user = NULL;
[2262]403 char *iso_dev = NULL;
404 char *iso_mnt = NULL;
405 char *iso_tmp = NULL;
406 char *iso_path = NULL;
[1]407
[128]408 assert(bkpinfo != NULL);
[2321]409
410 if (!bkpinfo->tmpdir) {
411 fatal_error("Tmpdir set to NULL !");
412 }
413
[128]414 bkpinfo->optimal_set_size =
[686]415 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[128]416 1024;
[1]417
[2321]418 if (strlen(bkpinfo->tmpdir) < 2) {
419 log_it("tmpdir is blank/missing");
420 retval++;
421 }
422
[128]423 log_msg(1, "Foo");
424 if (bkpinfo->backup_media_type == tape) {
425 log_msg(1, "Bar");
[2325]426 if (bkpinfo->media_device == NULL) {
427 return(1);
428 }
[2323]429 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
[128]430 log_msg(1, "tmp = '%s'", tmp);
431 if (run_program_and_log_output(tmp, 3)) {
[2262]432 mr_free(tmp);
[128]433 fatal_error
434 ("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.");
435 }
[2262]436 mr_free(tmp);
[1]437 }
[2320]438 if (bkpinfo->scratchdir) {
439 make_hole_for_dir(bkpinfo->scratchdir);
440 chmod(bkpinfo->scratchdir, 0700);
441 } else {
442 fatal_error("Scratchdir set to NULL !");
443 }
[128]444 if (bkpinfo->backup_media_type == iso)
445 make_hole_for_dir(bkpinfo->isodir);
[1]446
[128]447 run_program_and_log_output("uname -a", 5);
[678]448 run_program_and_log_output("cat /etc/*-release", 5);
[128]449 run_program_and_log_output("cat /etc/*issue*", 5);
[1]450#ifdef __FreeBSD__
451#else
[128]452 run_program_and_log_output("cat /proc/cpuinfo", 5);
453 run_program_and_log_output
454 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
455 5);
[1]456#endif
[128]457
458 if (bkpinfo->use_lzo) {
[2326]459 mr_asprintf(bkpinfo->zip_exe, "lzop");
[2327]460 mr_asprintf(bkpinfo->zip_suffix, "lzo");
[998]461 } else if (bkpinfo->use_gzip) {
[2326]462 mr_asprintf(bkpinfo->zip_exe, "gzip");
[2327]463 mr_asprintf(bkpinfo->zip_suffix, "gz");
[2338]464 } else if (bkpinfo->use_lzma) {
465 mr_asprintf(bkpinfo->zip_exe, "lzma");
466 mr_asprintf(bkpinfo->zip_suffix, "lzma");
[128]467 } else if (bkpinfo->compression_level != 0) {
[2326]468 mr_asprintf(bkpinfo->zip_exe, "bzip2");
[2327]469 mr_asprintf(bkpinfo->zip_suffix, "bz2");
470 } else {
471 mr_asprintf(bkpinfo->zip_exe, "none");
472 mr_asprintf(bkpinfo->zip_suffix, "");
[1]473 }
474
475// DVD
476
[128]477 if (bkpinfo->backup_media_type == dvd) {
[2331]478 tmp = find_home_of_exe("growisofs");
479 if (tmp) {
[2334]480 mr_asprintf(cdr_exe, "growisofs");
[128]481 } // unlikely to be used
482 else {
[2331]483 mr_free(tmp);
[128]484 fatal_error("Please install growisofs.");
485 }
[2331]486 mr_free(tmp);
487
[128]488 if (bkpinfo->nonbootable_backup) {
[2323]489 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[128]490 } else if
[1]491#ifdef __FreeBSD__
[128]492 (TRUE)
[1]493#else
[128]494 (bkpinfo->make_cd_use_lilo)
[1]495#endif
496#ifdef __IA64__
[128]497 {
[2323]498 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[128]499 }
[1]500#else
501 {
[2323]502 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]503 }
[128]504#endif
505 else
506 {
[2323]507 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[128]508 }
509 if (bkpinfo->manual_cd_tray) {
[2211]510 paranoid_free(mondo_mkisofs_sz);
[128]511 fatal_error("Manual CD tray + DVD not supported yet.");
512 // -m isn't supported by growisofs, BTW...
513 } else {
[2325]514 if (bkpinfo->media_device == NULL) {
515 return(1);
516 }
[2328]517 mr_free(bkpinfo->call_make_iso);
518 mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
[2211]519 paranoid_free(mondo_mkisofs_sz);
[128]520 }
[153]521 if (getenv ("SUDO_COMMAND")) {
[2323]522 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
[2383]523 tmp = call_program_and_get_last_line_of_output(command);
524 if (!strcmp(tmp, "1")) {
[2262]525 mr_free(command);
[2383]526 mr_free(tmp);
[679]527 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
528 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
529 }
[2262]530 mr_free(command);
[2383]531 mr_free(tmp);
[153]532 }
[2328]533 log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
[128]534 } // end of DVD code
[1]535
536// CD-R or CD-RW
[128]537 if (bkpinfo->backup_media_type == cdrw
538 || bkpinfo->backup_media_type == cdr) {
539 if (!bkpinfo->manual_cd_tray) {
[2323]540 mr_asprintf(extra_cdrom_params, "-waiti ");
[128]541 }
542 if (bkpinfo->backup_media_type == cdrw) {
[2323]543 mr_asprintf(extra_cdrom_params, "blank=fast ");
[128]544 }
[2331]545 tmp = find_home_of_exe("cdrecord");
546 if (tmp) {
[2334]547 mr_asprintf(cdr_exe, "cdrecord");
[128]548 } else {
[2331]549 mr_free(tmp);
550 tmp = find_home_of_exe("dvdrecord");
551 if (tmp) {
[2334]552 mr_asprintf(cdr_exe, "dvdrecord");
[2331]553 } else {
554 mr_free(tmp);
555 fatal_error("Please install either cdrecord or dvdrecord.");
556 }
[128]557 }
[2331]558 mr_free(tmp);
559
[128]560 if (bkpinfo->nonbootable_backup) {
[2323]561 mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
[128]562 } else if
[1]563#ifdef __FreeBSD__
[128]564 (TRUE)
[1]565#else
[128]566 (bkpinfo->make_cd_use_lilo)
[1]567#endif
568#ifdef __IA64__
569 {
[2323]570 mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]571 }
[128]572#else
[1]573 {
[2323]574 mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]575 }
[128]576#endif
[2334]577 else {
[2323]578 mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
[128]579 }
[2328]580
581 mr_free(bkpinfo->call_make_iso);
[128]582 if (bkpinfo->manual_cd_tray) {
[2328]583 if (bkpinfo->call_before_iso == NULL) {
584 mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
585 } else {
586 mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
587 mr_free(bkpinfo->call_before_iso);
588 mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
589 mr_free(call_before_iso_user);
[163]590 }
591 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[2325]592 if (bkpinfo->media_device == NULL) {
593 return(1);
594 }
[2328]595 mr_asprintf(bkpinfo->call_make_iso, "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed, bkpinfo->tmpdir);
[128]596 } else {
[2328]597 mr_asprintf(bkpinfo->call_make_iso, "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -", mondo_mkisofs_sz, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed);
[128]598 }
[2334]599 mr_free(cdr_exe);
[2211]600 paranoid_free(mondo_mkisofs_sz);
601 paranoid_free(extra_cdrom_params);
[128]602 } // end of CD code
[1]603
[128]604 if (bkpinfo->backup_media_type == iso) {
605
[1]606/* Patch by Conor Daly <conor.daly@met.ie>
607 * 23-june-2004
608 * Break up isodir into iso_mnt and iso_path
609 * These will be used along with iso-dev at restore time
610 * to locate the ISOs where ever they're mounted
611 */
612
[128]613 log_it("isodir = %s", bkpinfo->isodir);
[2323]614 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
[128]615 log_it("command = %s", command);
[2383]616 iso_dev = call_program_and_get_last_line_of_output(command);
617 log_it("res of it = %s", iso_dev);
[2323]618 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
[2383]619 write_one_liner_data_file(tmp, iso_dev);
[2262]620 mr_free(tmp);
621 mr_free(command);
[1]622
[2323]623 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
[2262]624 mr_free(iso_dev);
625
[128]626 log_it("command = %s", command);
[2383]627 iso_mnt = call_program_and_get_last_line_of_output(command);
628 log_it("res of it = %s", iso_mnt);
[2323]629 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
[2383]630 write_one_liner_data_file(tmp, iso_mnt);
[2262]631 mr_free(tmp);
632 mr_free(command);
633
[128]634 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
[2323]635 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
[128]636 if (strlen(iso_tmp) < strlen(iso_mnt)) {
[2323]637 mr_asprintf(iso_path, "%s", "");
[128]638 } else {
[2323]639 mr_asprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
[128]640 }
[2334]641 mr_free(iso_mnt);
[2262]642 mr_free(iso_tmp);
643
[2323]644 mr_asprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
[128]645 write_one_liner_data_file(tmp, iso_path);
[2262]646 mr_free(tmp);
647
[128]648 log_it("isodir: %s", iso_path);
[2262]649 mr_free(iso_path);
650
[2323]651 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[148]652 write_one_liner_data_file(tmp, bkpinfo->prefix);
[2262]653 mr_free(tmp);
654
[148]655 log_it("iso-prefix: %s", bkpinfo->prefix);
[1]656
657/* End patch */
[128]658 } // end of iso code
[1]659
[2382]660 if (bkpinfo->backup_media_type == netfs) {
661 if (bkpinfo->netfs_mount) {
662 mr_asprintf(hostname, "%s", bkpinfo->netfs_mount);
[2325]663 } else {
[2382]664 log_it("netfs_mount is NULL");
[2325]665 retval++;
[2334]666 mr_asprintf(hostname, "");
[2325]667 }
[128]668 colon = strchr(hostname, ':');
669 if (!colon) {
[2382]670 log_it("netfs mount doesn't have a colon in it");
[128]671 retval++;
672 } else {
673 struct hostent *hent;
[1]674
[128]675 *colon = '\0';
676 hent = gethostbyname(hostname);
677 if (!hent) {
[2382]678 log_it("Can't resolve Network mount (%s): %s", hostname, hstrerror(h_errno));
[128]679 retval++;
680 } else {
[2323]681 mr_asprintf(ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
[2382]682 mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
683 mr_free(bkpinfo->netfs_mount);
684 bkpinfo->netfs_mount = ip_address;
[128]685 }
686 }
[2334]687 mr_free(hostname);
[2382]688 store_netfs_config();
[128]689 }
[1]690
[128]691 log_it("Finished processing incoming params");
692 if (retval) {
693 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
694 }
[2319]695 if (bkpinfo->include_paths == NULL) {
[2323]696 mr_asprintf(p, "/");
[2319]697 bkpinfo->include_paths = p;
[128]698 }
699 g_backup_media_type = bkpinfo->backup_media_type;
700 return (retval);
[1]701}
702
703
704
705/**
706 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
707 * Seeds the random-number generator, loads important modules, checks the sanity
708 * of the user's Linux distribution, and deletes logfile.
709 * @param bkpinfo The backup information structure. Will be initialized.
710 * @return number of errors (0 for success)
711 */
[1645]712int pre_param_configuration()
[1]713{
[128]714 int res = 0;
[1652]715 char *tmp = NULL;
[1]716
[128]717 make_hole_for_dir(MNT_CDROM);
718 assert(bkpinfo != NULL);
719 srandom((unsigned long) (time(NULL)));
720 insmod_crucial_modules();
721 if (bkpinfo->disaster_recovery) {
722 if (!does_nonMS_partition_exist()) {
[2338]723 fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
[128]724 }
725 }
[1]726
[128]727 unlink(MONDO_TRACEFILE);
[2323]728 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
[1652]729 run_program_and_log_output(tmp, FALSE);
730 paranoid_free(tmp);
[128]731 if (find_and_store_mondoarchives_home(g_mondo_home)) {
[2338]732 fprintf(stderr, "Cannot find Mondo's homedir. I think you have >1 'mondo' directory on your hard disk. Please delete the superfluous 'mondo' directories and try again\n");
[128]733 res++;
734 return (res);
735 }
736 res += some_basic_system_sanity_checks();
737 if (res) {
738 log_it("Your distribution did not pass Mondo's sanity test.");
739 }
740 g_current_media_number = 1;
741 return (res);
[1]742}
743
[1655]744void setup_tmpdir(char *path) {
[1967]745
[1653]746 char *tmp = NULL;
[1654]747 char *p = NULL;
[1]748
[1999]749 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
[1655]750 /* purging a potential old tmpdir */
[2321]751 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
[2323]752 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
[2321]753 mr_free(bkpinfo->tmpdir);
754 (void)system(tmp);
755 mr_free(tmp);
[1655]756 }
[1967]757
[1657]758 if (path != NULL) {
[2323]759 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
[1657]760 } else if (getenv("TMPDIR")) {
[2323]761 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[1653]762 } else if (getenv("TMP")) {
[2323]763 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
[1653]764 } else {
[2323]765 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]766 }
[1654]767 p = mkdtemp(tmp);
768 if (p == NULL) {
769 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
[2321]770 mr_free(tmp);
[1653]771 finish(-1);
772 }
[2321]773
774 bkpinfo->tmpdir = p;
775 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
[1653]776}
[1]777
[2321]778/* Free all memory allocated into bkpinfo */
779void mr_free_bkpinfo() {
[1]780
[2338]781 log_msg(1, "Freeing bkpinfo");
[2325]782 mr_free(bkpinfo->media_device);
[2326]783 mr_free(bkpinfo->boot_device);
784 mr_free(bkpinfo->zip_exe);
[2327]785 mr_free(bkpinfo->zip_suffix);
786 mr_free(bkpinfo->image_devs);
[2325]787 mr_free(bkpinfo->isodir);
788 mr_free(bkpinfo->prefix);
[2321]789 mr_free(bkpinfo->scratchdir);
790 mr_free(bkpinfo->tmpdir);
791 mr_free(bkpinfo->include_paths);
792 mr_free(bkpinfo->exclude_paths);
[2327]793 mr_free(bkpinfo->restore_path);
[2328]794 mr_free(bkpinfo->call_before_iso);
795 mr_free(bkpinfo->call_make_iso);
796 mr_free(bkpinfo->call_burn_iso);
797 mr_free(bkpinfo->call_after_iso);
798 mr_free(bkpinfo->kernel_path);
[2382]799 mr_free(bkpinfo->netfs_mount);
800 mr_free(bkpinfo->netfs_remote_dir);
801 mr_free(bkpinfo->netfs_user);
802 mr_free(bkpinfo->netfs_proto);
[2328]803 mr_free(bkpinfo->postnuke_tarball);
[2321]804
805 /* Then free the structure */
806 mr_free(bkpinfo);
807}
808
[1]809/**
810 * Reset all fields of the backup information structure to a sensible default.
811 * @param bkpinfo The @c bkpinfo to reset.
812 */
[2321]813void init_bkpinfo()
[1]814{
[128]815 int i;
[2338]816 log_msg(1, "Initializing bkpinfo");
817 bkpinfo = (struct s_bkpinfo *)mr_malloc(sizeof(struct s_bkpinfo));
[1653]818
[2321]819 /* Initialized in same order as in the structure declaration to detect errors more easily */
[2325]820 bkpinfo->media_device = NULL;
[128]821 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
822 bkpinfo->media_size[i] = -1;
823 }
824 bkpinfo->boot_loader = '\0';
[2326]825 bkpinfo->boot_device = NULL;
826 bkpinfo->zip_exe = NULL;
[2327]827 bkpinfo->zip_suffix = NULL;
828 bkpinfo->image_devs = NULL;
[1966]829 bkpinfo->compression_level = 3;
[128]830 bkpinfo->use_lzo = FALSE;
[998]831 bkpinfo->use_gzip = FALSE;
[2338]832 bkpinfo->use_lzma = FALSE;
[128]833 bkpinfo->verify_data = FALSE;
834 bkpinfo->backup_data = FALSE;
835 bkpinfo->restore_data = FALSE;
[1966]836 bkpinfo->use_star = FALSE;
837 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[2321]838 bkpinfo->disaster_recovery = (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
[128]839 if (bkpinfo->disaster_recovery) {
[2324]840 mr_asprintf(bkpinfo->isodir, "%s", "/");
[128]841 } else {
[2324]842 mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
[128]843 }
[2324]844 mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
845 bkpinfo->scratchdir = NULL; // Really setup after
846 bkpinfo->tmpdir = NULL; // Really setup after
[128]847 bkpinfo->optimal_set_size = 0;
[2321]848 bkpinfo->backup_media_type = none;
[1966]849 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[2321]850 bkpinfo->include_paths = NULL;
851 bkpinfo->exclude_paths = NULL;
[2327]852 bkpinfo->restore_path = NULL;
[2328]853 bkpinfo->call_before_iso = NULL;
854 bkpinfo->call_make_iso = NULL;
855 bkpinfo->call_burn_iso = NULL;
856 bkpinfo->call_after_iso = NULL;
857 bkpinfo->kernel_path = NULL;
[2382]858 bkpinfo->netfs_mount = NULL;
859 bkpinfo->netfs_remote_dir = NULL;
860 bkpinfo->netfs_user = NULL;
861 bkpinfo->netfs_proto = NULL;
[2328]862 bkpinfo->postnuke_tarball = NULL;
[128]863 bkpinfo->wipe_media_first = FALSE;
[1966]864 bkpinfo->differential = 0;
865 bkpinfo->please_dont_eject = FALSE;
[128]866 bkpinfo->cdrw_speed = 0;
[1966]867 bkpinfo->manual_cd_tray = FALSE;
868 bkpinfo->nonbootable_backup = FALSE;
869 bkpinfo->make_cd_use_lilo = FALSE;
870 bkpinfo->use_obdr = FALSE;
[1967]871 bkpinfo->restore_mode = interactive;
[2321]872
873 setup_tmpdir(NULL);
874 sensibly_set_scratchdir();
[1]875}
876
877
878
879
880/**
881 * Get the remaining free space (in MB) on @p partition.
882 * @param partition The partition to check free space on (either a device or a mountpoint).
883 * @return The free space on @p partition, in MB.
884 */
[128]885long free_space_on_given_partition(char *partition)
[1]886{
[2262]887 char *out_sz = NULL;
888 char *command = NULL;
[128]889 long res;
[1]890
[128]891 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]892
[2323]893 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]894 if (system(command)) {
[2262]895 mr_free(command);
[128]896 return (-1);
897 } // partition does not exist
[2262]898 mr_free(command);
899
[2324]900 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
[2383]901 out_sz = call_program_and_get_last_line_of_output(command);
[2262]902 mr_free(command);
903
[128]904 if (strlen(out_sz) == 0) {
[2262]905 mr_free(out_sz);
[128]906 return (-1);
907 } // error within df, probably
908 res = atol(out_sz);
[2262]909 mr_free(out_sz);
[128]910 return (res);
[1]911}
912
913
914
915/**
916 * Check the user's system for sanity. Checks performed:
917 * - make sure user has enough RAM (32mb required, 64mb recommended)
918 * - make sure user has enough free space in @c /
919 * - check kernel for ramdisk support
920 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
921 * - make sure CD-ROM is unmounted
922 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
923 *
924 * @return number of problems with the user's setup (0 for success)
925 */
[128]926int some_basic_system_sanity_checks()
[1]927{
928
[128]929 /*@ buffers ************ */
[2262]930 char *tmp = NULL;
[1]931
[128]932 /*@ int's *************** */
933 int retval = 0;
[1]934
[128]935 mvaddstr_and_log_it(g_currentY, 0,
936 "Checking sanity of your Linux distribution");
[1]937#ifndef __FreeBSD__
[1737]938 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
939 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
[2338]940 log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
941 run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
[128]942 }
[2383]943 tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2");
[128]944 if (atol(tmp) < 35000) {
945 retval++;
[541]946 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]947 }
948 if (atol(tmp) < 66000) {
[2324]949 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]950 }
[2262]951 mr_free(tmp);
[1]952#endif
953
[128]954 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
955 retval++;
956 log_to_screen
957 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
958 fatal_error
959 ("Please use \"su -\", not \"su\" to become root. OK? ...and please don't e-mail the mailing list or me about this. Just read the message. :)");
960 }
[1]961#ifndef __FreeBSD__
[128]962 if (run_program_and_log_output
[273]963 ("grep ramdisk /proc/devices", FALSE)) {
[2194]964 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
[2195]965 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
[2194]966 if (run_program_and_log_output
967 ("grep ramdisk /proc/devices", FALSE)) {
968 if (!ask_me_yes_or_no
969 ("Your kernel has no ramdisk support. That's mind-numbingly stupid but I'll allow it if you're planning to use a failsafe kernel. Are you?"))
970 {
971 // retval++;
972 log_to_screen
973 ("It looks as if your kernel lacks ramdisk and initrd support.");
974 log_to_screen
975 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
976 }
[128]977 }
978 }
[1]979#endif
[128]980 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
981 retval += whine_if_not_found("mkisofs");
982 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
983 retval += whine_if_not_found("cdrecord");
984 }
985 retval += whine_if_not_found("bzip2");
[998]986 retval += whine_if_not_found("gzip");
[128]987 retval += whine_if_not_found("awk");
988 retval += whine_if_not_found("md5sum");
989 retval += whine_if_not_found("strings");
990 retval += whine_if_not_found("mindi");
991 retval += whine_if_not_found("buffer");
[1]992
[128]993 // abort if Windows partition but no ms-sys and parted
[1855]994 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[541]995 log_to_screen("I think you have a Windows 9x partition.");
[128]996 retval += whine_if_not_found("parted");
[1]997 }
998
[2331]999 tmp = find_home_of_exe("cmp");
1000 if (!tmp) {
1001 mr_free(tmp);
1002 tmp = find_home_of_exe("true");
1003 if (!tmp) {
1004 retval += whine_if_not_found("cmp");
[128]1005 } else {
[2331]1006 log_to_screen("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
1007 if (run_program_and_log_output("cp -f `which true` /usr/bin/cmp", 0)) {
1008 mr_free(tmp);
[128]1009 fatal_error("Failed to create dummy 'cmp' file.");
1010 }
1011 }
[1]1012 }
[2331]1013 mr_free(tmp);
1014
1015 run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[2383]1016 tmp = call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\"");
[128]1017 if (strcmp("", tmp)) {
1018 if (strstr(tmp, "autofs")) {
1019 log_to_screen
[541]1020 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
[128]1021 log_to_screen
[541]1022 ("if a CD actually is inserted. If a CD is inserted, please");
1023 log_to_screen("eject it. Thank you.");
[128]1024 log_it
1025 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1026 } else
1027 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1028 retval++;
[2262]1029 mr_free(tmp);
1030 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
[128]1031 }
1032 }
[2262]1033 mr_free(tmp);
[1]1034
[128]1035 run_program_and_log_output("cat /etc/fstab", 5);
[1]1036#ifdef __FreeBSD__
[128]1037 run_program_and_log_output("vinum printconfig", 5);
[1]1038#else
[128]1039 run_program_and_log_output("cat /etc/raidtab", 5);
[1]1040#endif
1041
[128]1042 if (run_program_and_log_output("mindi -V", 1)) {
[541]1043 log_to_screen("Could not ascertain mindi's version number.");
[128]1044 log_to_screen
[541]1045 ("You have not installed Mondo and/or Mindi properly.");
1046 log_to_screen("Please uninstall and reinstall them both.");
[128]1047 fatal_error("Please reinstall Mondo and Mindi.");
1048 }
[2323]1049 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
[1644]1050 if (run_program_and_log_output(tmp, 5)) {
[2262]1051 mr_free(tmp);
[2323]1052 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
[1644]1053 log_to_screen(tmp);
[128]1054 log_to_screen
[541]1055 ("Please run that command by hand and examine /var/log/mindi.log");
[128]1056 log_to_screen
[541]1057 ("for more information. Perhaps your /etc/fstab file is insane.");
[128]1058 log_to_screen
[541]1059 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]1060 retval++;
1061 }
[2262]1062 mr_free(tmp);
[1]1063
[196]1064 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
[128]1065 && !does_file_exist("/etc/raidtab")) {
1066 log_to_screen
[541]1067 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[558]1068 create_raidtab_from_mdstat("/etc/raidtab");
[128]1069 }
1070
1071 if (retval) {
[541]1072 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1073 } else {
[541]1074 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1075 }
1076 return (retval);
[1]1077}
1078
1079/**
1080 * Retrieve the line containing @p label from the config file.
1081 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1082 * @param label What to read from the file.
1083 * @param value Where to put it.
1084 * @return 0 for success, 1 for failure.
1085 */
[2325]1086char *read_cfg_var(char *config_file, char *label)
[1]1087{
[128]1088 /*@ buffer ****************************************************** */
[2262]1089 char *command = NULL;
[2325]1090 char *value = NULL;
[1]1091
[128]1092 /*@ end vars *************************************************** */
[1]1093
[128]1094 assert_string_is_neither_NULL_nor_zerolength(config_file);
1095 assert_string_is_neither_NULL_nor_zerolength(label);
1096 if (!does_file_exist(config_file)) {
[2324]1097 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
[2325]1098 return (NULL);
[2332]1099 /* BERLIOS: not sure the usage of this one ?
[1279]1100 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1101 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]1102 return (0);
[2325]1103 */
[128]1104 } else {
[2323]1105 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
[2383]1106 value = call_program_and_get_last_line_of_output(command);
[2262]1107 mr_free(command);
1108
[128]1109 if (strlen(value) == 0) {
[2325]1110 return (NULL);
[128]1111 } else {
[2325]1112 return (value);
[128]1113 }
[1]1114 }
1115}
1116
1117
1118
1119/**
1120 * Remount @c supermount if it was unmounted earlier.
1121 */
1122void remount_supermounts_if_necessary()
1123{
[128]1124 if (g_remount_cdrom_at_end) {
1125 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1126 }
1127 if (g_remount_floppy_at_end) {
1128 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1129 }
[1]1130}
1131
1132/**
1133 * Unmount @c supermount if it's mounted.
1134 */
1135void unmount_supermounts_if_necessary()
1136{
[128]1137 if (run_program_and_log_output
1138 ("mount | grep cdrom | grep super", FALSE) == 0) {
1139 g_remount_cdrom_at_end = TRUE;
1140 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1141 }
1142 if (run_program_and_log_output
1143 ("mount | grep floppy | grep super", FALSE) == 0) {
1144 g_remount_floppy_at_end = TRUE;
1145 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1146 }
[1]1147}
1148
1149/**
1150 * Whether we had to stop autofs (if so, restart it at end).
1151 */
[128]1152bool g_autofs_stopped = FALSE;
[1]1153
1154/**
1155 * Path to the autofs initscript ("" if none exists).
1156 */
1157char g_autofs_exe[MAX_STR_LEN];
1158
1159/**
1160 * Autofs initscript in Xandros Linux distribution.
1161 */
1162#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1163
1164/**
1165 * Autofs initscript in most Linux distributions.
1166 */
1167#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1168
1169/**
1170 * If autofs is mounted, stop it (restart at end).
1171 */
1172void stop_autofs_if_necessary()
1173{
[2262]1174 char *tmp = NULL;
[128]1175
1176 g_autofs_exe[0] = '\0';
1177 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1178 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1179 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1180 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1181 }
1182
1183 if (!g_autofs_exe[0]) {
1184 log_msg(3, "No autofs detected.");
1185 } else {
1186 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[2262]1187 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[2323]1188 mr_asprintf(tmp, "%s stop", g_autofs_exe);
[128]1189 if (run_program_and_log_output(tmp, 2)) {
1190 log_it("Failed to stop autofs - I assume it wasn't running");
1191 } else {
1192 g_autofs_stopped = TRUE;
1193 log_it("Stopped autofs OK");
1194 }
[2262]1195 mr_free(tmp);
[128]1196 }
[1]1197}
1198
1199/**
1200 * If autofs was stopped earlier, restart it.
1201 */
1202void restart_autofs_if_necessary()
1203{
[2262]1204 char *tmp = NULL;
[128]1205
1206 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1207 log_msg(3, "No autofs detected.");
1208 return;
1209 }
[2323]1210 mr_asprintf(tmp, "%s start", g_autofs_exe);
[128]1211 if (run_program_and_log_output(tmp, 2)) {
1212 log_it("Failed to start autofs");
1213 } else {
1214 g_autofs_stopped = FALSE;
1215 log_it("Started autofs OK");
1216 }
[2262]1217 mr_free(tmp);
[1]1218}
1219
1220
1221/**
1222 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1223 */
[2326]1224void mount_boot_if_necessary() {
[2262]1225 char *tmp = NULL;
1226 char *command = NULL;
[1]1227
[128]1228 log_msg(1, "Started sub");
1229 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1230 g_boot_mountpt[0] = '\0';
1231 log_msg(4, "Done. Great. Seeting command to something");
[2323]1232 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[128]1233 log_msg(4, "Cool. Command = '%s'", command);
[2383]1234 tmp = call_program_and_get_last_line_of_output(command);
[2262]1235 mr_free(command);
1236
[128]1237 log_msg(4, "tmp = '%s'", tmp);
[2326]1238 log_it("/boot is at %s according to /etc/fstab", tmp);
1239 mr_asprintf(command, "mount | grep -Ew '/boot'");
1240 mr_free(tmp);
[2383]1241 tmp = call_program_and_get_last_line_of_output(command);
[2326]1242 mr_free(command);
[2262]1243
[2326]1244 if (!strcmp(tmp,"")) {
1245 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1246 if (!run_program_and_log_output("mount /boot", 5)) {
1247 strcpy(g_boot_mountpt, "/boot");
1248 log_msg(1, "Mounted /boot");
[128]1249 } else {
[2326]1250 log_it("...ignored cos it's a label or uuid :-)");
1251 }
1252 } else {
1253 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1254 log_msg(3, "command = %s", command);
1255 if (run_program_and_log_output(command, 5)) {
1256 strcpy(g_boot_mountpt, tmp);
1257 mr_free(tmp);
1258 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
[2262]1259
[2326]1260 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1261 if (run_program_and_log_output(tmp, 5)) {
1262 g_boot_mountpt[0] = '\0';
1263 log_msg(1, "Plan B");
1264 if (!run_program_and_log_output("mount /boot", 5)) {
1265 strcpy(g_boot_mountpt, "/boot");
1266 log_msg(1, "Plan B worked");
1267 } else {
1268 log_msg(1,
1269 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
[128]1270 }
1271 }
1272 }
[2326]1273 mr_free(command);
[128]1274 }
[1]1275 }
[2326]1276 mr_free(tmp);
[128]1277 log_msg(1, "Ended sub");
[1]1278}
1279
1280
1281/**
1282 * If we mounted /boot earlier, unmount it.
1283 */
1284void unmount_boot_if_necessary()
1285{
[2262]1286 char *tmp = NULL;
[1]1287
[128]1288 log_msg(3, "starting");
1289 if (g_boot_mountpt[0]) {
[2323]1290 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
[128]1291 if (run_program_and_log_output(tmp, 5)) {
1292 log_it("WARNING - unable to unmount /boot");
1293 }
[2262]1294 mr_free(tmp);
[128]1295 }
1296 log_msg(3, "leaving");
[1]1297}
1298
1299
1300
1301/**
1302 * Write a line to a configuration file. Writes a line of the form,
1303 * @c label @c value.
1304 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1305 * @param label What to call this bit of data you're writing.
1306 * @param value The bit of data you're writing.
1307 * @return 0 for success, 1 for failure.
1308 */
[128]1309int write_cfg_var(char *config_file, char *label, char *value)
[1]1310{
[128]1311 /*@ buffers ***************************************************** */
[2262]1312 char *command = NULL;
1313 char *tempfile = NULL;
[1]1314
1315
[128]1316 /*@ end vars *************************************************** */
1317 assert_string_is_neither_NULL_nor_zerolength(config_file);
1318 assert_string_is_neither_NULL_nor_zerolength(label);
1319 assert(value != NULL);
1320 if (!does_file_exist(config_file)) {
[2324]1321 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
[128]1322 return (1);
1323 }
[2323]1324 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]1325 if (does_file_exist(config_file)) {
[2323]1326 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
[128]1327 paranoid_system(command);
[2262]1328 mr_free(command);
[128]1329 }
[2323]1330 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]1331 paranoid_system(command);
[2262]1332 mr_free(command);
1333
[2323]1334 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
[128]1335 paranoid_system(command);
[2262]1336 mr_free(command);
[128]1337 unlink(tempfile);
[2262]1338 mr_free(tempfile);
[128]1339 return (0);
[1]1340}
1341
[541]1342
[1]1343/**
[541]1344 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1345 * information to the logfile.
1346 */
[2338]1347void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1348
[541]1349 va_list args;
1350 static int depth = 0;
1351 FILE *fout;
1352
1353 if (depth > 5) {
1354 depth--;
1355 return;
1356 }
1357 depth++;
1358
1359 if (debug_level <= g_loglevel) {
1360 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1361 return;
[2321]1362 }
[541]1363
1364 // add tabs to distinguish log levels
1365 if (debug_level > 0) {
[2338]1366 fprintf(fout, "DBG%d: ", debug_level);
[541]1367 if (getpid() == g_main_pid)
[2205]1368 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1369 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]1370 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1371 else
[2205]1372 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[2338]1373 } else {
1374 fprintf(fout, "INFO: ");
[541]1375 }
[2230]1376 va_start(args, fmt);
[541]1377 vfprintf(fout, fmt, args);
[2230]1378 va_end(args);
[541]1379
1380 // do not slow down the progran if standard debug level
1381 // must be enabled: if no flush, the log won't be up-to-date if there
1382 // is a segfault
1383 //if (g_dwDebugLevel != 1)
1384
1385 fprintf(fout, "\n");
1386 paranoid_fclose(fout);
1387 }
1388 depth--;
1389}
1390
1391/**
1392 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1393 */
1394void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1395 ...) = standard_log_debug_msg;
1396
1397
1398/**
[1]1399 * Allocate or free important globals, depending on @p mal.
1400 * @param mal If TRUE, malloc; if FALSE, free.
1401 */
1402void do_libmondo_global_strings_thing(int mal)
1403{
[128]1404 if (mal) {
1405 malloc_string(g_boot_mountpt);
1406 malloc_string(g_mondo_home);
1407 malloc_string(g_magicdev_command);
1408 } else {
1409 paranoid_free(g_boot_mountpt);
1410 paranoid_free(g_mondo_home);
1411 paranoid_free(g_magicdev_command);
[2226]1412
[2317]1413 mr_free(g_serial_string);
[128]1414 }
[1]1415}
1416
1417/**
1418 * Allocate important globals.
1419 * @see do_libmondo_global_strings_thing
1420 */
1421void malloc_libmondo_global_strings(void)
1422{
[128]1423 do_libmondo_global_strings_thing(1);
[1]1424}
1425
1426/**
1427 * Free important globals.
1428 * @see do_libmondo_global_strings_thing
1429 */
1430void free_libmondo_global_strings(void)
1431{
[128]1432 do_libmondo_global_strings_thing(0);
[1]1433}
1434
1435
1436
1437/**
1438 * Stop @c magicdev if it's running.
1439 * The command used to start it is saved in @p g_magicdev_command.
1440 */
[2383]1441void stop_magicdev_if_necessary() {
1442
1443 char *tmp = NULL;
1444
1445 tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99");
1446
1447 strcpy(g_magicdev_command, tmp);
1448 mr_free(tmp);
1449
[128]1450 if (g_magicdev_command[0]) {
1451 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1452 paranoid_system("killall magicdev");
1453 }
[1]1454}
1455
1456
1457/**
1458 * Restart magicdev if it was stopped.
1459 */
1460void restart_magicdev_if_necessary()
1461{
[2262]1462 char *tmp = NULL;
[128]1463
1464 if (g_magicdev_command && g_magicdev_command[0]) {
[2323]1465 mr_asprintf(tmp, "%s &", g_magicdev_command);
[128]1466 paranoid_system(tmp);
[2262]1467 mr_free(tmp);
[128]1468 }
[1]1469}
1470
1471/* @} - end of utilityGroup */
Note: See TracBrowser for help on using the repository browser.