source: MondoRescue/branches/2.2.10/mondo/src/common/libmondo-tools.c@ 2326

Last change on this file since 2326 was 2326, checked in by Bruno Cornec, 15 years ago

r3337@localhost: bruno | 2009-08-11 20:02:18 +0200
bkpinfo->boot_device and bkpinfo->zip_exe are now dynamically allocated
  • Property svn:keywords set to Id
File size: 39.3 KB
RevLine 
[2030]1/*
[99]2 $Id: libmondo-tools.c 2326 2009-08-18 13:19:54Z 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 2326 2009-08-18 13:19:54Z 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 }
[1]110#ifndef _XWIN
[128]111 if (!g_text_mode)
112 newtSuspend();
[1]113#endif
[541]114 printf("ASSERTION FAILED: `%s'\n", exp);
115 printf("\tat %s:%d in %s\n\n", file, line, function);
116 printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]117 do {
118 is_valid = TRUE;
119 switch (toupper(getchar())) {
120 case 'A': // ignore (A)ll
121 ignoring_assertions = 1;
122 break;
123 case 'B': // a(B)ort
124 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
125 raise(SIGABRT);
126 break; /* "can't get here" */
127 case 'D': // (D)ebug, aka asm("int 3")
[1]128#ifdef __IA32__
[128]129 __asm__ __volatile__("int $3"); // break to debugger
[1]130#endif
[128]131 break;
132 case 'E': // (E)xit
133 fatal_error("Failed assertion -- see above for details");
134 break; /* "can't get here" */
135 case 'I': // (I)gnore
136 break;
137 /* These next two work as follows:
138 the `default' catches the user's invalid choice and says so;
139 the '\n' catches the newline on the end and prints the prompt again.
140 */
141 case '\n':
142 printf
[541]143 ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]144 break;
145 default:
146 is_valid = FALSE;
[541]147 printf("Invalid choice.\n");
[128]148 break;
149 }
150 } while (!is_valid);
151
152 if (ignoring_assertions) {
153 log_it("Ignoring ALL assertions from now on.");
154 } else {
155 log_it("Ignoring assertion: %s", exp);
[1]156 }
157
[128]158 getchar(); // skip \n
[1]159
160#ifndef _XWIN
[128]161 if (!g_text_mode)
162 newtResume();
[1]163#endif
164}
165
166/**
167 * Clean's up users' KDE desktops.
168 * @bug Details about this function are unknown.
169 */
170void clean_up_KDE_desktop_if_necessary(void)
171{
[128]172 char *tmp;
[1]173
[128]174 malloc_string(tmp);
175 strcpy(tmp,
176 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]177file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[273]178awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[275]179else { print $0;};}' $file.old > $file ; fi ; done");
[128]180 run_program_and_log_output(tmp, 5);
181 paranoid_free(tmp);
[1]182}
183
184
185/**
186 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
187 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
188 *
189 * @param home_sz String to store the home directory ("" if it could not be found).
190 * @return 0 for success, nonzero for failure.
191 */
192int find_and_store_mondoarchives_home(char *home_sz)
193{
[128]194 assert(home_sz != NULL);
[424]195 strcpy(home_sz, MONDO_SHARE);
[182]196 return (0);
[1]197}
198
199
[1375]200char *get_architecture(void) {
[1]201#ifdef __IA32__
[1375]202# ifdef __X86_64__
203 return ("x86_64");
204# else
205 return ("i386");
206# endif
[1]207#endif
208#ifdef __IA64__
[128]209 return ("ia64");
[1]210#endif
[128]211 return ("unknown");
[1]212}
213
214
[1375]215char *get_uname_m(void) {
[1]216
[1375]217 struct utsname utsn;
218 char *tmp = NULL;
219
220 uname(&utsn);
[2323]221 mr_asprintf(tmp, "%s", utsn.machine);
[1375]222 return (tmp);
223}
224
225
226
227double get_kernel_version(void)
[1]228{
[128]229 char *p, tmp[200];
230 double d;
[1]231#ifdef __FreeBSD__
[128]232 // JOSH - FIXME :)
233 d = 5.2; // :-)
[1]234#else
[128]235 strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
236 p = strchr(tmp, '.');
237 if (p) {
238 p = strchr(++p, '.');
239 if (p) {
240 while (*p) {
241 *p = *(p + 1);
242 p++;
243 }
244 }
245 }
[1]246// log_msg(1, "tmp = '%s'", tmp);
[128]247 d = atof(tmp);
[1]248#endif
[128]249 log_msg(1, "g_kernel_version = %f", d);
250 return (d);
[1]251}
252
253
254
255
256
257/**
258 * Get the current time.
259 * @return number of seconds since the epoch.
260 */
[128]261long get_time()
[1]262{
[128]263 return (long) time((void *) 0);
[1]264}
265
266
267
268
269
270
271
272/**
273 * Initialize a RAID volume structure, setting fields to zero. The
274 * actual hard drive is unaffected.
275 *
276 * @param raidrec The RAID volume structure to initialize.
277 * @note This function is system dependent.
278 */
279#ifdef __FreeBSD__
[128]280void initialize_raidrec(struct vinum_volume *raidrec)
[1]281{
[128]282 int i, j;
283 raidrec->volname[0] = '\0';
284 raidrec->plexes = 0;
285 for (i = 0; i < 9; ++i) {
286 raidrec->plex[i].raidlevel = -1;
287 raidrec->plex[i].stripesize = 0;
288 raidrec->plex[i].subdisks = 0;
289 for (j = 0; j < 9; ++j) {
290 strcpy(raidrec->plex[i].sd[j].which_device, "");
291 }
292 }
[1]293}
294#else
[128]295void initialize_raidrec(struct raid_device_record *raidrec)
[1]296{
[128]297 assert(raidrec != NULL);
298 raidrec->raid_device[0] = '\0';
[558]299 raidrec->raid_level = -9;
[128]300 raidrec->persistent_superblock = 1;
[558]301 raidrec->chunk_size = 64;
302 raidrec->parity = -1;
[128]303 raidrec->data_disks.entries = 0;
304 raidrec->spare_disks.entries = 0;
305 raidrec->parity_disks.entries = 0;
306 raidrec->failed_disks.entries = 0;
307 raidrec->additional_vars.entries = 0;
[1]308}
309#endif
310
311
312
313
314/**
315 * Insert modules that Mondo requires.
[1236]316 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]317 * @c msdosfs and @c ext2fs for FreeBSD.
318 */
319void insmod_crucial_modules(void)
320{
321#ifdef __FreeBSD__
[128]322 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
323 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]324#else
[1236]325 system("modprobe -a msdos vfat loop &> /dev/null");
[1]326#endif
327}
328
329
330/**
[541]331 * Log a trace message to the trace file.
332 * @bug This function seems orphaned. Please remove.
333 */
334void log_trace(char *o)
335{
336 /*@ pointers **************************************************** */
337 FILE *fout;
338
339 /*@ buffers ***************************************************** */
340 char output[MAX_STR_LEN];
341
342 /*@ int ****************************************************** */
343 int i;
344
345 /*@ end vars *************************************************** */
346
347 if (o[0] == '\0') {
348 return;
349 }
350 strcpy(output, o);
351 i = (int) strlen(output);
352 if (i <= 0) {
353 return;
354 }
355 if (output[i - 1] < 32) {
356 output[i - 1] = '\0';
357 }
358 if (g_text_mode
359 /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
360 printf("%s\n", output);
361 }
362
363 fout = fopen(MONDO_TRACEFILE, "a");
364 if (fout) {
365 fprintf(fout, "%s\n", output);
366 paranoid_fclose(fout);
367 } else {
368 log_OS_error("Cannot write to tracefile");
369 }
370}
371
372
373
374
375
376/**
[1]377 * Finish configuring the backup information structure. Call this function
378 * to set the parameters that depend on those that can be given on the command
379 * line.
380 *
381 * @param bkpinfo The backup information structure. Fields modified/used:
382 * - Used: @c bkpinfo->backup_data
383 * - Used: @c bkpinfo->backup_media_type
384 * - Used: @c bkpinfo->cdrw_speed
385 * - Used: @c bkpinfo->compression_level
386 * - Used: @c bkpinfo->include_paths
[20]387 * - Used: @c bkpinfo->prefix
[1]388 * - Used: @c bkpinfo->isodir
389 * - Used: @c bkpinfo->manual_cd_tray
390 * - Used: @c bkpinfo->make_cd_use_lilo
391 * - Used: @c bkpinfo->media_device
392 * - Used: @c bkpinfo->nfs_mount
393 * - Used: @c bkpinfo->nonbootable_backup
394 * - Used: @c bkpinfo->scratchdir
395 * - Used: @c bkpinfo->tmpdir
396 * - Used: @c bkpinfo->use_lzo
397 * - Modified: @c bkpinfo->call_before_iso
398 * - Modified: @c bkpinfo->call_make_iso
399 * - Modified: @c bkpinfo->optimal_set_size
400 * - Modified: @c bkpinfo->zip_exe
401 * - Modified: @c bkpinfo->zip_suffix
402 *
403 * @return number of errors, or 0 for success.
404 * @note Also creates directories that are specified in the @c bkpinfo structure but
405 * do not exist.
406 */
[1645]407int post_param_configuration()
[1]408{
[2211]409 char *extra_cdrom_params = NULL;
410 char *mondo_mkisofs_sz = NULL;
[2262]411 char *command = NULL;
[128]412 char *mtpt;
[2211]413 char *hostname;
414 char *ip_address = NULL;
[128]415 int retval = 0;
416 char *colon;
417 char *cdr_exe;
[2262]418 char *tmp = NULL;
[2319]419 char *p = NULL;
[163]420 char call_before_iso_user[MAX_STR_LEN] = "\0";
[2262]421 char *iso_dev = NULL;
422 char *iso_mnt = NULL;
423 char *iso_tmp = NULL;
424 char *iso_path = NULL;
[1]425
[128]426 assert(bkpinfo != NULL);
[2321]427
428 if (!bkpinfo->tmpdir) {
429 fatal_error("Tmpdir set to NULL !");
430 }
431
[128]432 malloc_string(mtpt);
433 malloc_string(hostname);
434 malloc_string(cdr_exe);
435 bkpinfo->optimal_set_size =
[686]436 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[128]437 1024;
[1]438
[2321]439 if (strlen(bkpinfo->tmpdir) < 2) {
440 log_it("tmpdir is blank/missing");
441 retval++;
442 }
443
[128]444 log_msg(1, "Foo");
445 if (bkpinfo->backup_media_type == tape) {
446 log_msg(1, "Bar");
[2325]447 if (bkpinfo->media_device == NULL) {
448 return(1);
449 }
[2323]450 mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
[128]451 log_msg(1, "tmp = '%s'", tmp);
452 if (run_program_and_log_output(tmp, 3)) {
[2262]453 mr_free(tmp);
[128]454 fatal_error
455 ("Unable to open tape device. If you haven't specified it with -d, do so. If you already have, check your parameter. I think it's wrong.");
456 }
[2262]457 mr_free(tmp);
[1]458 }
[2320]459 if (bkpinfo->scratchdir) {
460 make_hole_for_dir(bkpinfo->scratchdir);
461 chmod(bkpinfo->scratchdir, 0700);
462 } else {
463 fatal_error("Scratchdir set to NULL !");
464 }
[128]465 if (bkpinfo->backup_media_type == iso)
466 make_hole_for_dir(bkpinfo->isodir);
[1]467
[128]468 run_program_and_log_output("uname -a", 5);
[678]469 run_program_and_log_output("cat /etc/*-release", 5);
[128]470 run_program_and_log_output("cat /etc/*issue*", 5);
[1]471#ifdef __FreeBSD__
472#else
[128]473 run_program_and_log_output("cat /proc/cpuinfo", 5);
474 run_program_and_log_output
475 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
476 5);
[1]477#endif
[128]478
479 if (bkpinfo->use_lzo) {
[2326]480 mr_asprintf(bkpinfo->zip_exe, "lzop");
[128]481 strcpy(bkpinfo->zip_suffix, "lzo");
[998]482 } else if (bkpinfo->use_gzip) {
[2326]483 mr_asprintf(bkpinfo->zip_exe, "gzip");
[998]484 strcpy(bkpinfo->zip_suffix, "gz");
[128]485 } else if (bkpinfo->compression_level != 0) {
[2326]486 mr_asprintf(bkpinfo->zip_exe, "bzip2");
[128]487 strcpy(bkpinfo->zip_suffix, "bz2");
[1]488 }
489
490// DVD
491
[128]492 if (bkpinfo->backup_media_type == dvd) {
493 if (find_home_of_exe("growisofs")) {
494 strcpy(cdr_exe, "growisofs");
495 } // unlikely to be used
496 else {
497 fatal_error("Please install growisofs.");
498 }
499 if (bkpinfo->nonbootable_backup) {
[2323]500 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[128]501 } else if
[1]502#ifdef __FreeBSD__
[128]503 (TRUE)
[1]504#else
[128]505 (bkpinfo->make_cd_use_lilo)
[1]506#endif
507#ifdef __IA64__
[128]508 {
[2323]509 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[128]510 }
[1]511#else
512 {
[2323]513 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]514 }
[128]515#endif
516 else
517 {
[2323]518 mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[128]519 }
520 if (bkpinfo->manual_cd_tray) {
[2211]521 paranoid_free(mondo_mkisofs_sz);
[128]522 fatal_error("Manual CD tray + DVD not supported yet.");
523 // -m isn't supported by growisofs, BTW...
524 } else {
[2325]525 if (bkpinfo->media_device == NULL) {
526 return(1);
527 }
[128]528 sprintf(bkpinfo->call_make_iso,
529 "%s %s -Z %s . 2>> _ERR_",
530 mondo_mkisofs_sz,
[2211]531 "", bkpinfo->media_device);
532 paranoid_free(mondo_mkisofs_sz);
[128]533 }
[153]534 if (getenv ("SUDO_COMMAND")) {
[2323]535 mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
[679]536 if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
[2262]537 mr_free(command);
[679]538 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
539 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
540 }
[2262]541 mr_free(command);
[153]542 }
[128]543 log_msg(2, "call_make_iso (DVD res) is ... %s",
544 bkpinfo->call_make_iso);
545 } // end of DVD code
[1]546
547// CD-R or CD-RW
[128]548 if (bkpinfo->backup_media_type == cdrw
549 || bkpinfo->backup_media_type == cdr) {
550 if (!bkpinfo->manual_cd_tray) {
[2323]551 mr_asprintf(extra_cdrom_params, "-waiti ");
[128]552 }
553 if (bkpinfo->backup_media_type == cdrw) {
[2323]554 mr_asprintf(extra_cdrom_params, "blank=fast ");
[128]555 }
556 if (find_home_of_exe("cdrecord")) {
557 strcpy(cdr_exe, "cdrecord");
558 } else if (find_home_of_exe("dvdrecord")) {
559 strcpy(cdr_exe, "dvdrecord");
560 } else {
561 fatal_error("Please install either cdrecord or dvdrecord.");
562 }
563 if (bkpinfo->nonbootable_backup) {
[2323]564 mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
[128]565 } else if
[1]566#ifdef __FreeBSD__
[128]567 (TRUE)
[1]568#else
[128]569 (bkpinfo->make_cd_use_lilo)
[1]570#endif
571#ifdef __IA64__
572 {
[2323]573 mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]574 }
[128]575#else
[1]576 {
[2323]577 mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]578 }
[128]579#endif
580 else
581 {
[2323]582 mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
[128]583 }
584 if (bkpinfo->manual_cd_tray) {
[163]585 if (bkpinfo->call_before_iso[0] == '\0') {
[128]586 sprintf(bkpinfo->call_before_iso,
[1666]587 "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_",
[163]588 mondo_mkisofs_sz, bkpinfo->tmpdir);
589 } else {
590 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
591 sprintf (bkpinfo->call_before_iso,
[1666]592 "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )",
[163]593 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
594 }
595 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[2325]596 if (bkpinfo->media_device == NULL) {
597 return(1);
598 }
[128]599 sprintf(bkpinfo->call_make_iso,
[1666]600 "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS,
[128]601 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
602 extra_cdrom_params, bkpinfo->media_device,
603 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
604 } else {
605 sprintf(bkpinfo->call_make_iso,
606 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
607 mondo_mkisofs_sz, cdr_exe,
608 (bkpinfo->please_dont_eject) ? " " : "-eject",
609 extra_cdrom_params, bkpinfo->media_device,
610 bkpinfo->cdrw_speed);
611 }
[2211]612 paranoid_free(mondo_mkisofs_sz);
613 paranoid_free(extra_cdrom_params);
[128]614 } // end of CD code
[1]615
[128]616 if (bkpinfo->backup_media_type == iso) {
617
[1]618/* Patch by Conor Daly <conor.daly@met.ie>
619 * 23-june-2004
620 * Break up isodir into iso_mnt and iso_path
621 * These will be used along with iso-dev at restore time
622 * to locate the ISOs where ever they're mounted
623 */
624
[128]625 log_it("isodir = %s", bkpinfo->isodir);
[2323]626 mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
[128]627 log_it("command = %s", command);
[2262]628 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
[2323]629 mr_asprintf(iso_dev, "%s", call_program_and_get_last_line_of_output(command));
630 mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
[2262]631 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
632 mr_free(tmp);
633 mr_free(command);
[1]634
[2323]635 mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
[2262]636 mr_free(iso_dev);
637
[128]638 log_it("command = %s", command);
[2262]639 log_it("res of it = %s", call_program_and_get_last_line_of_output(command));
[2323]640 mr_asprintf(iso_mnt, "%s", call_program_and_get_last_line_of_output(command));
641 mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
[2262]642 write_one_liner_data_file(tmp, call_program_and_get_last_line_of_output(command));
643 mr_free(tmp);
644 mr_free(command);
645
[128]646 log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
[2323]647 mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
[128]648 if (strlen(iso_tmp) < strlen(iso_mnt)) {
[2323]649 mr_asprintf(iso_path, "%s", "");
[128]650 } else {
[2323]651 mr_asprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
[128]652 }
[2262]653 mr_free(iso_tmp);
654
[2323]655 mr_asprintf(tmp, "%s/ISODIR", bkpinfo->tmpdir);
[128]656 write_one_liner_data_file(tmp, iso_path);
[2262]657 mr_free(tmp);
658
[128]659 log_it("isodir: %s", iso_path);
[2262]660 mr_free(iso_path);
661
[2323]662 mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[148]663 write_one_liner_data_file(tmp, bkpinfo->prefix);
[2262]664 mr_free(tmp);
665
[148]666 log_it("iso-prefix: %s", bkpinfo->prefix);
[1]667
668/* End patch */
[128]669 } // end of iso code
[1]670
[128]671 if (bkpinfo->backup_media_type == nfs) {
[2325]672 if (bkpinfo->nfs_mount) {
673 strcpy(hostname, bkpinfo->nfs_mount);
674 } else {
675 log_it("nfs_mount is NULL");
676 retval++;
677 strcpy(hostname, "");
678 }
[128]679 colon = strchr(hostname, ':');
680 if (!colon) {
681 log_it("nfs mount doesn't have a colon in it");
682 retval++;
683 } else {
684 struct hostent *hent;
[1]685
[128]686 *colon = '\0';
687 hent = gethostbyname(hostname);
688 if (!hent) {
[2325]689 log_it("Can't resolve NFS mount (%s): %s", hostname, hstrerror(h_errno));
[128]690 retval++;
691 } else {
[2323]692 mr_asprintf(ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
[2211]693 mr_strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
[2325]694 mr_free(bkpinfo->nfs_mount);
695 bkpinfo->nfs_mount = ip_address;
[128]696 }
697 }
[1645]698 store_nfs_config();
[128]699 }
[1]700
[128]701 log_it("Finished processing incoming params");
702 if (retval) {
703 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
704 }
[2319]705 if (bkpinfo->include_paths == NULL) {
[2323]706 mr_asprintf(p, "/");
[2319]707 bkpinfo->include_paths = p;
[128]708 }
709 g_backup_media_type = bkpinfo->backup_media_type;
710 paranoid_free(mtpt);
711 paranoid_free(hostname);
712 paranoid_free(cdr_exe);
713 return (retval);
[1]714}
715
716
717
718/**
719 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
720 * Seeds the random-number generator, loads important modules, checks the sanity
721 * of the user's Linux distribution, and deletes logfile.
722 * @param bkpinfo The backup information structure. Will be initialized.
723 * @return number of errors (0 for success)
724 */
[1645]725int pre_param_configuration()
[1]726{
[128]727 int res = 0;
[1652]728 char *tmp = NULL;
[1]729
[128]730 make_hole_for_dir(MNT_CDROM);
731 assert(bkpinfo != NULL);
732 srandom((unsigned long) (time(NULL)));
733 insmod_crucial_modules();
734 if (bkpinfo->disaster_recovery) {
735 if (!does_nonMS_partition_exist()) {
736 fatal_error
737 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
738 }
739 }
[1]740
[128]741 unlink(MONDO_TRACEFILE);
[2323]742 mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
[1652]743 run_program_and_log_output(tmp, FALSE);
744 paranoid_free(tmp);
[128]745 if (find_and_store_mondoarchives_home(g_mondo_home)) {
746 fprintf(stderr,
747 "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");
748 res++;
749 return (res);
750 }
751 res += some_basic_system_sanity_checks();
752 if (res) {
753 log_it("Your distribution did not pass Mondo's sanity test.");
754 }
755 g_current_media_number = 1;
[2325]756 bkpinfo->postnuke_tarball[0] = '\0';
[128]757 return (res);
[1]758}
759
[1655]760void setup_tmpdir(char *path) {
[1967]761
[1653]762 char *tmp = NULL;
[1654]763 char *p = NULL;
[1]764
[1999]765 if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
[1655]766 /* purging a potential old tmpdir */
[2321]767 log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
[2323]768 mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
[2321]769 mr_free(bkpinfo->tmpdir);
770 (void)system(tmp);
771 mr_free(tmp);
[1655]772 }
[1967]773
[1657]774 if (path != NULL) {
[2323]775 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
[1657]776 } else if (getenv("TMPDIR")) {
[2323]777 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[1653]778 } else if (getenv("TMP")) {
[2323]779 mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
[1653]780 } else {
[2323]781 mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]782 }
[1654]783 p = mkdtemp(tmp);
784 if (p == NULL) {
785 log_it("Failed to create global tmp directory %s for Mondo.",tmp);
[2321]786 mr_free(tmp);
[1653]787 finish(-1);
788 }
[2321]789
790 bkpinfo->tmpdir = p;
791 log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
[1653]792}
[1]793
[2321]794/* Free all memory allocated into bkpinfo */
795void mr_free_bkpinfo() {
[1]796
[2325]797 mr_free(bkpinfo->media_device);
[2326]798 mr_free(bkpinfo->boot_device);
799 mr_free(bkpinfo->zip_exe);
[2325]800 mr_free(bkpinfo->isodir);
801 mr_free(bkpinfo->prefix);
[2321]802 mr_free(bkpinfo->scratchdir);
803 mr_free(bkpinfo->tmpdir);
804 mr_free(bkpinfo->include_paths);
805 mr_free(bkpinfo->exclude_paths);
[2325]806 mr_free(bkpinfo->nfs_mount);
807 mr_free(bkpinfo->nfs_remote_dir);
[2321]808 mr_free(bkpinfo->nfs_user);
809
810 /* Then free the structure */
811 mr_free(bkpinfo);
812}
813
[1]814/**
815 * Reset all fields of the backup information structure to a sensible default.
816 * @param bkpinfo The @c bkpinfo to reset.
817 */
[2321]818void init_bkpinfo()
[1]819{
[128]820 int i;
821 log_msg(1, "Hi");
[1653]822
[2321]823 /* Initialized in same order as in the structure declaration to detect errors more easily */
[2325]824 bkpinfo->media_device = NULL;
[128]825 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
826 bkpinfo->media_size[i] = -1;
827 }
828 bkpinfo->boot_loader = '\0';
[2326]829 bkpinfo->boot_device = NULL;
830 bkpinfo->zip_exe = NULL;
[128]831 bkpinfo->zip_suffix[0] = '\0';
[1966]832 bkpinfo->image_devs[0] = '\0';
833 bkpinfo->compression_level = 3;
[128]834 bkpinfo->use_lzo = FALSE;
[998]835 bkpinfo->use_gzip = FALSE;
[128]836 bkpinfo->verify_data = FALSE;
837 bkpinfo->backup_data = FALSE;
838 bkpinfo->restore_data = FALSE;
[1966]839 bkpinfo->use_star = FALSE;
840 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[2321]841 bkpinfo->disaster_recovery = (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
[128]842 if (bkpinfo->disaster_recovery) {
[2324]843 mr_asprintf(bkpinfo->isodir, "%s", "/");
[128]844 } else {
[2324]845 mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
[128]846 }
[2324]847 mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
848 bkpinfo->scratchdir = NULL; // Really setup after
849 bkpinfo->tmpdir = NULL; // Really setup after
[128]850 bkpinfo->optimal_set_size = 0;
[2321]851 bkpinfo->backup_media_type = none;
[1966]852 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[2321]853 bkpinfo->include_paths = NULL;
854 bkpinfo->exclude_paths = NULL;
[1966]855 bkpinfo->restore_path[0] = '\0';
[128]856 bkpinfo->call_before_iso[0] = '\0';
857 bkpinfo->call_make_iso[0] = '\0';
858 bkpinfo->call_burn_iso[0] = '\0';
859 bkpinfo->call_after_iso[0] = '\0';
860 bkpinfo->kernel_path[0] = '\0';
[2325]861 bkpinfo->nfs_mount = NULL;
862 bkpinfo->nfs_remote_dir = NULL;
[2226]863 bkpinfo->nfs_user = NULL;
[1966]864 bkpinfo->postnuke_tarball[0] = '\0';
[128]865 bkpinfo->wipe_media_first = FALSE;
[1966]866 bkpinfo->differential = 0;
867 bkpinfo->please_dont_eject = FALSE;
[128]868 bkpinfo->cdrw_speed = 0;
[1966]869 bkpinfo->manual_cd_tray = FALSE;
870 bkpinfo->nonbootable_backup = FALSE;
871 bkpinfo->make_cd_use_lilo = FALSE;
872 bkpinfo->use_obdr = FALSE;
[1967]873 bkpinfo->restore_mode = interactive;
[2321]874
875 setup_tmpdir(NULL);
876 sensibly_set_scratchdir();
[1]877}
878
879
880
881
882/**
883 * Get the remaining free space (in MB) on @p partition.
884 * @param partition The partition to check free space on (either a device or a mountpoint).
885 * @return The free space on @p partition, in MB.
886 */
[128]887long free_space_on_given_partition(char *partition)
[1]888{
[2262]889 char *out_sz = NULL;
890 char *command = NULL;
[128]891 long res;
[1]892
[128]893 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]894
[2323]895 mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]896 if (system(command)) {
[2262]897 mr_free(command);
[128]898 return (-1);
899 } // partition does not exist
[2262]900 mr_free(command);
901
[2324]902 mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
[2323]903 mr_asprintf(out_sz, "%s", call_program_and_get_last_line_of_output(command));
[2262]904 mr_free(command);
905
[128]906 if (strlen(out_sz) == 0) {
[2262]907 mr_free(out_sz);
[128]908 return (-1);
909 } // error within df, probably
910 res = atol(out_sz);
[2262]911 mr_free(out_sz);
[128]912 return (res);
[1]913}
914
915
916
917/**
918 * Check the user's system for sanity. Checks performed:
919 * - make sure user has enough RAM (32mb required, 64mb recommended)
920 * - make sure user has enough free space in @c /
921 * - check kernel for ramdisk support
922 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
923 * - make sure CD-ROM is unmounted
924 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
925 *
926 * @return number of problems with the user's setup (0 for success)
927 */
[128]928int some_basic_system_sanity_checks()
[1]929{
930
[128]931 /*@ buffers ************ */
[2262]932 char *tmp = NULL;
[1]933
[128]934 /*@ int's *************** */
935 int retval = 0;
[1]936
[128]937 mvaddstr_and_log_it(g_currentY, 0,
938 "Checking sanity of your Linux distribution");
[1]939#ifndef __FreeBSD__
[1737]940 if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
941 && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
[128]942 log_it
943 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
944 run_program_and_log_output
945 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
946 }
[2323]947 mr_asprintf(tmp, "%s", call_program_and_get_last_line_of_output ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
[128]948 if (atol(tmp) < 35000) {
949 retval++;
[541]950 log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]951 }
952 if (atol(tmp) < 66000) {
[2324]953 log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]954 }
[2262]955 mr_free(tmp);
[1]956#endif
957
[128]958 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
959 retval++;
960 log_to_screen
961 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
962 fatal_error
963 ("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. :)");
964 }
[1]965#ifndef __FreeBSD__
[128]966 if (run_program_and_log_output
[273]967 ("grep ramdisk /proc/devices", FALSE)) {
[2194]968 /* Some SuSE have ramdisk as modules, so insert it first, then test again */
[2195]969 run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
[2194]970 if (run_program_and_log_output
971 ("grep ramdisk /proc/devices", FALSE)) {
972 if (!ask_me_yes_or_no
973 ("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?"))
974 {
975 // retval++;
976 log_to_screen
977 ("It looks as if your kernel lacks ramdisk and initrd support.");
978 log_to_screen
979 ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
980 }
[128]981 }
982 }
[1]983#endif
[128]984 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
985 retval += whine_if_not_found("mkisofs");
986 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
987 retval += whine_if_not_found("cdrecord");
988 }
989 retval += whine_if_not_found("bzip2");
[998]990 retval += whine_if_not_found("gzip");
[128]991 retval += whine_if_not_found("awk");
992 retval += whine_if_not_found("md5sum");
993 retval += whine_if_not_found("strings");
994 retval += whine_if_not_found("mindi");
995 retval += whine_if_not_found("buffer");
[1]996
[128]997 // abort if Windows partition but no ms-sys and parted
[1855]998 if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[541]999 log_to_screen("I think you have a Windows 9x partition.");
[128]1000 retval += whine_if_not_found("parted");
[1]1001 }
1002
[128]1003 if (!find_home_of_exe("cmp")) {
1004 if (!find_home_of_exe("true")) {
1005 whine_if_not_found("cmp");
1006 } else {
1007 log_to_screen
[541]1008 ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
[128]1009 if (run_program_and_log_output
1010 ("cp -f `which true` /usr/bin/cmp", 0)) {
1011 fatal_error("Failed to create dummy 'cmp' file.");
1012 }
1013 }
[1]1014 }
[128]1015 run_program_and_log_output
1016 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[2323]1017 mr_asprintf(tmp, "%s", call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\""));
[128]1018 if (strcmp("", tmp)) {
1019 if (strstr(tmp, "autofs")) {
1020 log_to_screen
[541]1021 ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
[128]1022 log_to_screen
[541]1023 ("if a CD actually is inserted. If a CD is inserted, please");
1024 log_to_screen("eject it. Thank you.");
[128]1025 log_it
1026 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1027 } else
1028 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1029 retval++;
[2262]1030 mr_free(tmp);
1031 fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
[128]1032 }
1033 }
[2262]1034 mr_free(tmp);
[1]1035
[128]1036 run_program_and_log_output("cat /etc/fstab", 5);
[1]1037#ifdef __FreeBSD__
[128]1038 run_program_and_log_output("vinum printconfig", 5);
[1]1039#else
[128]1040 run_program_and_log_output("cat /etc/raidtab", 5);
[1]1041#endif
1042
[128]1043 if (run_program_and_log_output("mindi -V", 1)) {
[541]1044 log_to_screen("Could not ascertain mindi's version number.");
[128]1045 log_to_screen
[541]1046 ("You have not installed Mondo and/or Mindi properly.");
1047 log_to_screen("Please uninstall and reinstall them both.");
[128]1048 fatal_error("Please reinstall Mondo and Mindi.");
1049 }
[2323]1050 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
[1644]1051 if (run_program_and_log_output(tmp, 5)) {
[2262]1052 mr_free(tmp);
[2323]1053 mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
[1644]1054 log_to_screen(tmp);
[128]1055 log_to_screen
[541]1056 ("Please run that command by hand and examine /var/log/mindi.log");
[128]1057 log_to_screen
[541]1058 ("for more information. Perhaps your /etc/fstab file is insane.");
[128]1059 log_to_screen
[541]1060 ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]1061 retval++;
1062 }
[2262]1063 mr_free(tmp);
[1]1064
[196]1065 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
[128]1066 && !does_file_exist("/etc/raidtab")) {
1067 log_to_screen
[541]1068 ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[558]1069 create_raidtab_from_mdstat("/etc/raidtab");
[128]1070 }
1071
1072 if (retval) {
[541]1073 mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1074 } else {
[541]1075 mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1076 }
1077 return (retval);
[1]1078}
1079
1080/**
1081 * Retrieve the line containing @p label from the config file.
1082 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1083 * @param label What to read from the file.
1084 * @param value Where to put it.
1085 * @return 0 for success, 1 for failure.
1086 */
[2325]1087char *read_cfg_var(char *config_file, char *label)
[1]1088{
[128]1089 /*@ buffer ****************************************************** */
[2262]1090 char *command = NULL;
[2325]1091 char *value = NULL;
[1]1092
[128]1093 /*@ end vars *************************************************** */
[1]1094
[128]1095 assert_string_is_neither_NULL_nor_zerolength(config_file);
1096 assert_string_is_neither_NULL_nor_zerolength(label);
1097 if (!does_file_exist(config_file)) {
[2324]1098 log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
[2325]1099 return (NULL);
1100 /* BERLIOS: not sure the sage of this one ?
[1279]1101 } else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
1102 log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]1103 return (0);
[2325]1104 */
[128]1105 } else {
[2323]1106 mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
[2325]1107 mr_asprintf(value, "%s", call_program_and_get_last_line_of_output(command));
[2262]1108 mr_free(command);
1109
[128]1110 if (strlen(value) == 0) {
[2325]1111 return (NULL);
[128]1112 } else {
[2325]1113 return (value);
[128]1114 }
[1]1115 }
1116}
1117
1118
1119
1120/**
1121 * Remount @c supermount if it was unmounted earlier.
1122 */
1123void remount_supermounts_if_necessary()
1124{
[128]1125 if (g_remount_cdrom_at_end) {
1126 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1127 }
1128 if (g_remount_floppy_at_end) {
1129 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1130 }
[1]1131}
1132
1133/**
1134 * Unmount @c supermount if it's mounted.
1135 */
1136void unmount_supermounts_if_necessary()
1137{
[128]1138 if (run_program_and_log_output
1139 ("mount | grep cdrom | grep super", FALSE) == 0) {
1140 g_remount_cdrom_at_end = TRUE;
1141 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1142 }
1143 if (run_program_and_log_output
1144 ("mount | grep floppy | grep super", FALSE) == 0) {
1145 g_remount_floppy_at_end = TRUE;
1146 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1147 }
[1]1148}
1149
1150/**
1151 * Whether we had to stop autofs (if so, restart it at end).
1152 */
[128]1153bool g_autofs_stopped = FALSE;
[1]1154
1155/**
1156 * Path to the autofs initscript ("" if none exists).
1157 */
1158char g_autofs_exe[MAX_STR_LEN];
1159
1160/**
1161 * Autofs initscript in Xandros Linux distribution.
1162 */
1163#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1164
1165/**
1166 * Autofs initscript in most Linux distributions.
1167 */
1168#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1169
1170/**
1171 * If autofs is mounted, stop it (restart at end).
1172 */
1173void stop_autofs_if_necessary()
1174{
[2262]1175 char *tmp = NULL;
[128]1176
1177 g_autofs_exe[0] = '\0';
1178 if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1179 strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1180 } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1181 strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1182 }
1183
1184 if (!g_autofs_exe[0]) {
1185 log_msg(3, "No autofs detected.");
1186 } else {
1187 log_msg(3, "%s --- autofs detected", g_autofs_exe);
[2262]1188 // FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[2323]1189 mr_asprintf(tmp, "%s stop", g_autofs_exe);
[128]1190 if (run_program_and_log_output(tmp, 2)) {
1191 log_it("Failed to stop autofs - I assume it wasn't running");
1192 } else {
1193 g_autofs_stopped = TRUE;
1194 log_it("Stopped autofs OK");
1195 }
[2262]1196 mr_free(tmp);
[128]1197 }
[1]1198}
1199
1200/**
1201 * If autofs was stopped earlier, restart it.
1202 */
1203void restart_autofs_if_necessary()
1204{
[2262]1205 char *tmp = NULL;
[128]1206
1207 if (!g_autofs_stopped || !g_autofs_exe[0]) {
1208 log_msg(3, "No autofs detected.");
1209 return;
1210 }
[2323]1211 mr_asprintf(tmp, "%s start", g_autofs_exe);
[128]1212 if (run_program_and_log_output(tmp, 2)) {
1213 log_it("Failed to start autofs");
1214 } else {
1215 g_autofs_stopped = FALSE;
1216 log_it("Started autofs OK");
1217 }
[2262]1218 mr_free(tmp);
[1]1219}
1220
1221
1222/**
1223 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1224 */
[2326]1225void mount_boot_if_necessary() {
[2262]1226 char *tmp = NULL;
1227 char *command = NULL;
[1]1228
[128]1229 log_msg(1, "Started sub");
1230 log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1231 g_boot_mountpt[0] = '\0';
1232 log_msg(4, "Done. Great. Seeting command to something");
[2323]1233 mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[ ]/boot[ ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[128]1234 log_msg(4, "Cool. Command = '%s'", command);
[2323]1235 mr_asprintf(tmp, "%s", call_program_and_get_last_line_of_output(command));
[2262]1236 mr_free(command);
1237
[128]1238 log_msg(4, "tmp = '%s'", tmp);
[2326]1239 log_it("/boot is at %s according to /etc/fstab", tmp);
1240 mr_asprintf(command, "mount | grep -Ew '/boot'");
1241 mr_free(tmp);
1242 mr_asprintf(tmp, call_program_and_get_last_line_of_output(command));
1243 mr_free(command);
[2262]1244
[2326]1245 if (!strcmp(tmp,"")) {
1246 if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1247 if (!run_program_and_log_output("mount /boot", 5)) {
1248 strcpy(g_boot_mountpt, "/boot");
1249 log_msg(1, "Mounted /boot");
[128]1250 } else {
[2326]1251 log_it("...ignored cos it's a label or uuid :-)");
1252 }
1253 } else {
1254 mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1255 log_msg(3, "command = %s", command);
1256 if (run_program_and_log_output(command, 5)) {
1257 strcpy(g_boot_mountpt, tmp);
1258 mr_free(tmp);
1259 log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
[2262]1260
[2326]1261 mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1262 if (run_program_and_log_output(tmp, 5)) {
1263 g_boot_mountpt[0] = '\0';
1264 log_msg(1, "Plan B");
1265 if (!run_program_and_log_output("mount /boot", 5)) {
1266 strcpy(g_boot_mountpt, "/boot");
1267 log_msg(1, "Plan B worked");
1268 } else {
1269 log_msg(1,
1270 "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]1271 }
1272 }
1273 }
[2326]1274 mr_free(command);
[128]1275 }
[1]1276 }
[2326]1277 mr_free(tmp);
[128]1278 log_msg(1, "Ended sub");
[1]1279}
1280
1281
1282/**
1283 * If we mounted /boot earlier, unmount it.
1284 */
1285void unmount_boot_if_necessary()
1286{
[2262]1287 char *tmp = NULL;
[1]1288
[128]1289 log_msg(3, "starting");
1290 if (g_boot_mountpt[0]) {
[2323]1291 mr_asprintf(tmp, "umount %s", g_boot_mountpt);
[128]1292 if (run_program_and_log_output(tmp, 5)) {
1293 log_it("WARNING - unable to unmount /boot");
1294 }
[2262]1295 mr_free(tmp);
[128]1296 }
1297 log_msg(3, "leaving");
[1]1298}
1299
1300
1301
1302/**
1303 * Write a line to a configuration file. Writes a line of the form,
1304 * @c label @c value.
1305 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1306 * @param label What to call this bit of data you're writing.
1307 * @param value The bit of data you're writing.
1308 * @return 0 for success, 1 for failure.
1309 */
[128]1310int write_cfg_var(char *config_file, char *label, char *value)
[1]1311{
[128]1312 /*@ buffers ***************************************************** */
[2262]1313 char *command = NULL;
1314 char *tempfile = NULL;
[1]1315
1316
[128]1317 /*@ end vars *************************************************** */
1318 assert_string_is_neither_NULL_nor_zerolength(config_file);
1319 assert_string_is_neither_NULL_nor_zerolength(label);
1320 assert(value != NULL);
1321 if (!does_file_exist(config_file)) {
[2324]1322 log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
[128]1323 return (1);
1324 }
[2323]1325 mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]1326 if (does_file_exist(config_file)) {
[2323]1327 mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
[128]1328 paranoid_system(command);
[2262]1329 mr_free(command);
[128]1330 }
[2323]1331 mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]1332 paranoid_system(command);
[2262]1333 mr_free(command);
1334
[2323]1335 mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
[128]1336 paranoid_system(command);
[2262]1337 mr_free(command);
[128]1338 unlink(tempfile);
[2262]1339 mr_free(tempfile);
[128]1340 return (0);
[1]1341}
1342
[541]1343
[1]1344/**
[541]1345 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1346 * information to the logfile.
1347 */
1348void standard_log_debug_msg(int debug_level, const char *szFile,
1349 const char *szFunction, int nLine,
1350 const char *fmt, ...)
1351{
1352 va_list args;
1353 int i;
1354 static int depth = 0;
1355 FILE *fout;
1356
1357 if (depth > 5) {
1358 depth--;
1359 return;
1360 }
1361 depth++;
1362
1363 if (debug_level <= g_loglevel) {
1364 if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1365 return;
[2321]1366 }
[541]1367
1368 // add tabs to distinguish log levels
1369 if (debug_level > 0) {
1370 for (i = 1; i < debug_level; i++)
1371 fprintf(fout, "\t");
1372 if (getpid() == g_main_pid)
[2205]1373 fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1374 else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]1375 fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]1376 else
[2205]1377 fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[541]1378 }
[2230]1379 va_start(args, fmt);
[541]1380 vfprintf(fout, fmt, args);
[2230]1381 va_end(args);
[541]1382
1383 // do not slow down the progran if standard debug level
1384 // must be enabled: if no flush, the log won't be up-to-date if there
1385 // is a segfault
1386 //if (g_dwDebugLevel != 1)
1387
1388 fprintf(fout, "\n");
1389 paranoid_fclose(fout);
1390 }
1391 depth--;
1392}
1393
1394/**
1395 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1396 */
1397void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1398 ...) = standard_log_debug_msg;
1399
1400
1401/**
[1]1402 * Allocate or free important globals, depending on @p mal.
1403 * @param mal If TRUE, malloc; if FALSE, free.
1404 */
1405void do_libmondo_global_strings_thing(int mal)
1406{
[128]1407 if (mal) {
1408 malloc_string(g_boot_mountpt);
1409 malloc_string(g_mondo_home);
1410 malloc_string(g_magicdev_command);
1411 } else {
1412 paranoid_free(g_boot_mountpt);
1413 paranoid_free(g_mondo_home);
1414 paranoid_free(g_magicdev_command);
[2226]1415
[2317]1416 mr_free(g_serial_string);
[128]1417 }
[1]1418}
1419
1420/**
1421 * Allocate important globals.
1422 * @see do_libmondo_global_strings_thing
1423 */
1424void malloc_libmondo_global_strings(void)
1425{
[128]1426 do_libmondo_global_strings_thing(1);
[1]1427}
1428
1429/**
1430 * Free important globals.
1431 * @see do_libmondo_global_strings_thing
1432 */
1433void free_libmondo_global_strings(void)
1434{
[128]1435 do_libmondo_global_strings_thing(0);
[1]1436}
1437
1438
1439
1440/**
1441 * Stop @c magicdev if it's running.
1442 * The command used to start it is saved in @p g_magicdev_command.
1443 */
1444void stop_magicdev_if_necessary()
1445{
[128]1446 strcpy(g_magicdev_command,
1447 call_program_and_get_last_line_of_output
1448 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1449 if (g_magicdev_command[0]) {
1450 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1451 paranoid_system("killall magicdev");
1452 }
[1]1453}
1454
1455
1456/**
1457 * Restart magicdev if it was stopped.
1458 */
1459void restart_magicdev_if_necessary()
1460{
[2262]1461 char *tmp = NULL;
[128]1462
1463 if (g_magicdev_command && g_magicdev_command[0]) {
[2323]1464 mr_asprintf(tmp, "%s &", g_magicdev_command);
[128]1465 paranoid_system(tmp);
[2262]1466 mr_free(tmp);
[128]1467 }
[1]1468}
1469
1470/* @} - end of utilityGroup */
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