source: MondoRescue/trunk/mondo/mondo/common/libmondo-tools.c@ 688

Last change on this file since 688 was 688, checked in by bcornec, 18 years ago

Huge memory management patch.
Still not finished but a lot as been done.
What remains is around some functions returning strings, and some structure members.
(Could not finish due to laptop failure !)
  • Property svn:keywords set to Id
File size: 35.9 KB
RevLine 
[58]1/* $Id: libmondo-tools.c 688 2006-07-17 13:44:46Z bcornec $
2misc tools
[1]3*/
4
5/**
6 * @file
7 * Miscellaneous tools that didn't really fit anywhere else.
8 */
9
10#include "my-stuff.h"
11#include "mondostructures.h"
12#include "libmondo-tools.h"
[507]13#include "newt-specific-EXT.h"
[1]14#include "libmondo-files-EXT.h"
15#include "libmondo-fork-EXT.h"
16#include "libmondo-raid-EXT.h"
17#include <sys/socket.h>
18#include <netdb.h>
19#include <netinet/in.h>
[146]20#ifndef S_SPLINT_S
[1]21#include <arpa/inet.h>
[146]22#endif
[1]23
24/*@unused@*/
[49]25//static char cvsid[] = "$Id: libmondo-tools.c 688 2006-07-17 13:44:46Z bcornec $";
[1]26
27extern int g_tape_buffer_size_MB;
28extern char *g_erase_tmpdir_and_scratchdir;
29extern char *g_serial_string;
30extern bool g_text_mode;
31extern int g_currentY;
32extern int g_current_media_number;
33
34/**
35 * @addtogroup globalGroup
36 * @{
37 */
[49]38bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
39 g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
40bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]41double g_kernel_version;
42
43/**
[94]44 * The place where /boot is mounted. - Used locally only
[1]45 */
[94]46static char *g_boot_mountpt = NULL;
[1]47
48/**
49 * The location of Mondo's home directory.
50 */
[49]51char *g_mondo_home = NULL;
[1]52
53/**
54 * The serial string (used to differentiate between backups) of the current backup.
55 */
[49]56char *g_serial_string = NULL;
[1]57
58/**
59 * The location where tmpfs is mounted, or "" if it's not mounted.
60 */
[49]61char *g_tmpfs_mountpt = NULL;
62char *g_magicdev_command = NULL;
[1]63
64/**
65 * The default maximum level to log messages at or below.
66 */
[49]67int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]68
69/* @} - end of globalGroup */
70
71
72extern pid_t g_buffer_pid;
73extern pid_t g_main_pid;
74
75extern t_bkptype g_backup_media_type;
76
77extern bool am_I_in_disaster_recovery_mode(void);
78
79
80/**
81 * @addtogroup utilityGroup
82 * @{
83 */
84/**
85 * Assertion handler. Prints a friendly message to the user,
86 * offering to ignore all, dump core, break to debugger,
87 * exit, or ignore. Intended to be used with an assert() macro.
88 *
89 * @param file The file in which the assertion triggered.
90 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
91 * @param line The line number of the assert() statement.
92 * @param exp The expression that failed (as a string).
93 */
[49]94void _mondo_assert_fail(const char *file,
95 const char *function, int line, const char *exp)
[1]96{
[49]97 static int ignoring_assertions = 0;
98 bool is_valid = TRUE;
[1]99
[49]100 log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
101 function);
102 if (ignoring_assertions) {
103 log_it("Well, the user doesn't care...");
104 return;
105 }
[1]106#ifndef _XWIN
[49]107 if (!g_text_mode)
108 newtSuspend();
[1]109#endif
[507]110 printf(_("ASSERTION FAILED: `%s'\n"), exp);
111 printf(_("\tat %s:%d in %s\n\n"), file, line, function);
112 printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[49]113 do {
114 is_valid = TRUE;
115 switch (toupper(getchar())) {
116 case 'A': // ignore (A)ll
117 ignoring_assertions = 1;
118 break;
119 case 'B': // a(B)ort
120 signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
121 raise(SIGABRT);
122 break; /* "can't get here" */
123 case 'D': // (D)ebug, aka asm("int 3")
[1]124#ifdef __IA32__
[49]125 __asm__ __volatile__("int $3"); // break to debugger
[1]126#endif
[49]127 break;
128 case 'E': // (E)xit
129 fatal_error("Failed assertion -- see above for details");
130 break; /* "can't get here" */
131 case 'I': // (I)gnore
132 break;
133 /* These next two work as follows:
134 the `default' catches the user's invalid choice and says so;
135 the '\n' catches the newline on the end and prints the prompt again.
136 */
137 case '\n':
138 printf
[507]139 (_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[49]140 break;
141 default:
142 is_valid = FALSE;
[507]143 printf(_("Invalid choice.\n"));
[49]144 break;
145 }
146 } while (!is_valid);
147
148 if (ignoring_assertions) {
149 log_it("Ignoring ALL assertions from now on.");
150 } else {
151 log_it("Ignoring assertion: %s", exp);
[1]152 }
153
[49]154 getchar(); // skip \n
[1]155
156#ifndef _XWIN
[49]157 if (!g_text_mode)
158 newtResume();
[1]159#endif
160}
161
162/**
163 * Clean's up users' KDE desktops.
164 * @bug Details about this function are unknown.
165 */
166void clean_up_KDE_desktop_if_necessary(void)
167{
[49]168 char *tmp;
[1]169
[94]170 asprintf(&tmp,
[127]171 "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]172file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[274]173awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[276]174else { print $0;};}' $file.old > $file ; fi ; done");
[49]175 run_program_and_log_output(tmp, 5);
176 paranoid_free(tmp);
[1]177}
178
179
180/**
181 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
182 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
183 *
184 * @param home_sz String to store the home directory ("" if it could not be found).
185 * @return 0 for success, nonzero for failure.
186 */
[94]187char *find_and_store_mondoarchives_home()
[1]188{
[94]189 char *home_sz = NULL;
190
[426]191 asprintf(&home_sz, MONDO_SHARE);
[94]192 return (home_sz);
[1]193}
194
195
196char *get_architecture()
197{
198#ifdef __IA32__
[49]199 return ("i386");
[1]200#endif
[94]201#ifdef __X86_64__
202 return ("x86-64");
203#endif
[1]204#ifdef __IA64__
[49]205 return ("ia64");
[1]206#endif
[49]207 return ("unknown");
[1]208}
209
210
211
212double get_kernel_version()
213{
[94]214 char *p, *tmp;
[49]215 double d;
[1]216#ifdef __FreeBSD__
[49]217 // JOSH - FIXME :)
218 d = 5.2; // :-)
[1]219#else
[688]220 tmp = call_program_and_get_last_line_of_output("uname -r");
[49]221 p = strchr(tmp, '.');
222 if (p) {
223 p = strchr(++p, '.');
224 if (p) {
225 while (*p) {
226 *p = *(p + 1);
227 p++;
228 }
229 }
230 }
[1]231// log_msg(1, "tmp = '%s'", tmp);
[49]232 d = atof(tmp);
[1]233#endif
[49]234 log_msg(1, "g_kernel_version = %f", d);
235 return (d);
[1]236}
237
238
239
240
241
242/**
243 * Get the current time.
244 * @return number of seconds since the epoch.
245 */
[49]246long get_time()
[1]247{
[49]248 return (long) time((void *) 0);
[1]249}
250
251
252
253
254
255
256
257/**
258 * Initialize a RAID volume structure, setting fields to zero. The
259 * actual hard drive is unaffected.
260 *
261 * @param raidrec The RAID volume structure to initialize.
262 * @note This function is system dependent.
263 */
264#ifdef __FreeBSD__
[49]265void initialize_raidrec(struct vinum_volume *raidrec)
[1]266{
[49]267 int i, j;
268 raidrec->volname[0] = '\0';
269 raidrec->plexes = 0;
270 for (i = 0; i < 9; ++i) {
271 raidrec->plex[i].raidlevel = -1;
272 raidrec->plex[i].stripesize = 0;
273 raidrec->plex[i].subdisks = 0;
274 for (j = 0; j < 9; ++j) {
275 strcpy(raidrec->plex[i].sd[j].which_device, "");
276 }
277 }
[1]278}
279#else
[49]280void initialize_raidrec(struct raid_device_record *raidrec)
[1]281{
[49]282 assert(raidrec != NULL);
283 raidrec->raid_device[0] = '\0';
[561]284 raidrec->raid_level = -9;
[49]285 raidrec->persistent_superblock = 1;
[561]286 raidrec->chunk_size = 64;
287 raidrec->parity = -1;
[49]288 raidrec->data_disks.entries = 0;
289 raidrec->spare_disks.entries = 0;
290 raidrec->parity_disks.entries = 0;
291 raidrec->failed_disks.entries = 0;
292 raidrec->additional_vars.entries = 0;
[1]293}
294#endif
295
296
297
298
299/**
300 * Insert modules that Mondo requires.
301 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
302 * @c msdosfs and @c ext2fs for FreeBSD.
303 */
304void insmod_crucial_modules(void)
305{
306#ifdef __FreeBSD__
[49]307 system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
308 system("kldstat | grep ext2fs || kldload ext2fs 2> /dev/null");
[1]309#else
[94]310 system("modprobe -a dos fat vfat loop &> /dev/null");
[1]311#endif
312}
313
314
315/**
316 * Finish configuring the backup information structure. Call this function
317 * to set the parameters that depend on those that can be given on the command
318 * line.
319 *
320 * @param bkpinfo The backup information structure. Fields modified/used:
321 * - Used: @c bkpinfo->backup_data
322 * - Used: @c bkpinfo->backup_media_type
323 * - Used: @c bkpinfo->cdrw_speed
324 * - Used: @c bkpinfo->compression_level
325 * - Used: @c bkpinfo->include_paths
[20]326 * - Used: @c bkpinfo->prefix
[1]327 * - Used: @c bkpinfo->isodir
328 * - Used: @c bkpinfo->manual_cd_tray
329 * - Used: @c bkpinfo->make_cd_use_lilo
330 * - Used: @c bkpinfo->media_device
331 * - Used: @c bkpinfo->nfs_mount
332 * - Used: @c bkpinfo->nonbootable_backup
333 * - Used: @c bkpinfo->scratchdir
334 * - Used: @c bkpinfo->tmpdir
335 * - Used: @c bkpinfo->use_lzo
336 * - Modified: @c bkpinfo->call_before_iso
337 * - Modified: @c bkpinfo->call_make_iso
338 * - Modified: @c bkpinfo->optimal_set_size
339 * - Modified: @c bkpinfo->zip_exe
340 * - Modified: @c bkpinfo->zip_suffix
341 *
342 * @return number of errors, or 0 for success.
343 * @note Also creates directories that are specified in the @c bkpinfo structure but
344 * do not exist.
345 */
[49]346int post_param_configuration(struct s_bkpinfo *bkpinfo)
[1]347{
[94]348 char *extra_cdrom_params = NULL;
349 char *mondo_mkisofs_sz = NULL;
[49]350 char *command;
351 char *hostname, *ip_address;
352 int retval = 0;
353 long avm = 0;
354 char *colon;
355 char *cdr_exe;
356 char *tmp;
[94]357 char *tmp1;
[164]358 char call_before_iso_user[MAX_STR_LEN] = "\0";
[49]359 int rdsiz_MB;
360 char *iso_path;
[1]361
[49]362 assert(bkpinfo != NULL);
363 bkpinfo->optimal_set_size =
[687]364 (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[49]365 1024;
[1]366
[49]367 log_msg(1, "Foo");
368 if (bkpinfo->backup_media_type == tape) {
369 log_msg(1, "Bar");
[94]370 asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
[49]371 log_msg(1, "tmp = '%s'", tmp);
372 if (run_program_and_log_output(tmp, 3)) {
373 fatal_error
374 ("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.");
375 }
[94]376 paranoid_free(tmp);
[1]377 }
[49]378 make_hole_for_dir(bkpinfo->scratchdir);
379 make_hole_for_dir(bkpinfo->tmpdir);
380 if (bkpinfo->backup_media_type == iso)
381 make_hole_for_dir(bkpinfo->isodir);
[1]382
[49]383 run_program_and_log_output("uname -a", 5);
[687]384 run_program_and_log_output("cat /etc/*-release", 5);
[49]385 run_program_and_log_output("cat /etc/*issue*", 5);
[94]386 asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
387 asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
[49]388 paranoid_system(command);
[94]389 paranoid_free(command);
[49]390 rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
[1]391#ifdef __FreeBSD__
[688]392 tmp = call_program_and_get_last_line_of_output
393 ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6");
[49]394 avm += atol(tmp);
[94]395 paranoid_free(tmp);
[688]396 tmp = call_program_and_get_last_line_of_output
397 ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc");
[49]398 avm += atol(tmp);
[94]399 paranoid_free(tmp);
400 asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
[127]401 g_tmpfs_mountpt);
[1]402#else
[688]403 tmp = call_program_and_get_last_line_of_output
404 ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1");
[49]405 avm += atol(tmp);
[94]406 paranoid_free(tmp);
407 asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
[127]408 g_tmpfs_mountpt, rdsiz_MB, 'm');
[49]409 run_program_and_log_output("cat /proc/cpuinfo", 5);
[94]410 /* BERLIOS: rpm is not necessarily there ! */
[49]411 run_program_and_log_output
412 ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
413 5);
[1]414#endif
[49]415 if (avm / 1024 > rdsiz_MB * 3) {
416 if (run_program_and_log_output(command, 5)) {
417 g_tmpfs_mountpt[0] = '\0';
418 log_it("Failed to mount tmpfs");
419 } else {
420 log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
421 }
422 } else {
423 g_tmpfs_mountpt[0] = '\0';
424 log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
[1]425 }
[94]426 paranoid_free(command);
[49]427
428 if (bkpinfo->use_lzo) {
429 strcpy(bkpinfo->zip_exe, "lzop");
430 strcpy(bkpinfo->zip_suffix, "lzo");
431 } else if (bkpinfo->compression_level != 0) {
432 strcpy(bkpinfo->zip_exe, "bzip2");
433 strcpy(bkpinfo->zip_suffix, "bz2");
434 } else {
435 bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]436 }
437
438// DVD
439
[49]440 if (bkpinfo->backup_media_type == dvd) {
[127]441 if (!(find_home_of_exe("growisofs"))) {
[49]442 fatal_error("Please install growisofs.");
443 }
444 if (bkpinfo->nonbootable_backup) {
[94]445 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[49]446 } else if
[1]447#ifdef __FreeBSD__
[49]448 (TRUE)
[1]449#else
[49]450 (bkpinfo->make_cd_use_lilo)
[1]451#endif
452#ifdef __IA64__
[49]453 {
[94]454 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[49]455 }
[1]456#else
457 {
[94]458 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]459 }
[49]460#endif
461 else
462 {
[94]463 asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[49]464 }
465 if (bkpinfo->manual_cd_tray) {
466 fatal_error("Manual CD tray + DVD not supported yet.");
467 // -m isn't supported by growisofs, BTW...
468 } else {
469 sprintf(bkpinfo->call_make_iso,
470 "%s %s -Z %s . 2>> _ERR_",
[127]471 mondo_mkisofs_sz, "", bkpinfo->media_device);
[49]472 }
[94]473 paranoid_free(mondo_mkisofs_sz);
474
[687]475 if (getenv ("SUDO_COMMAND")) {
476 asprintf(&command, "strings `which growisofs` | grep -c SUDO_COMMAND");
[688]477 tmp = call_program_and_get_last_line_of_output(command);
478 if (!strcmp(tmp, "1")) {
[687]479 popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
480 fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
481 }
[688]482 paranoid_free(tmp);
[687]483 paranoid_free(command);
[72]484 }
[49]485 log_msg(2, "call_make_iso (DVD res) is ... %s",
486 bkpinfo->call_make_iso);
487 } // end of DVD code
[1]488
489// CD-R or CD-RW
[49]490 if (bkpinfo->backup_media_type == cdrw
491 || bkpinfo->backup_media_type == cdr) {
492 if (!bkpinfo->manual_cd_tray) {
[94]493 asprintf(&extra_cdrom_params, "-waiti ");
[49]494 }
495 if (bkpinfo->backup_media_type == cdrw) {
[94]496 if (extra_cdrom_params != NULL) {
497 asprintf(&tmp, extra_cdrom_params);
498 paranoid_free(extra_cdrom_params);
499 asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
500 } else {
501 asprintf(&extra_cdrom_params, "blank=fast ");
502 }
[49]503 }
504 if (find_home_of_exe("cdrecord")) {
[94]505 asprintf(&cdr_exe, "cdrecord");
[49]506 } else if (find_home_of_exe("dvdrecord")) {
[94]507 asprintf(&cdr_exe, "dvdrecord");
[49]508 } else {
509 fatal_error("Please install either cdrecord or dvdrecord.");
510 }
511 if (bkpinfo->nonbootable_backup) {
[672]512 asprintf(&mondo_mkisofs_sz, "%s -r -p MondoRescue -publisher www.mondorescue.org -A Mondo_Rescue_GPL_Version -V _CD#_", mrconf->mondo_iso_creation_cmd);
[49]513 } else if
[1]514#ifdef __FreeBSD__
[49]515 (TRUE)
[1]516#else
[49]517 (bkpinfo->make_cd_use_lilo)
[1]518#endif
519#ifdef __IA64__
520 {
[94]521 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]522 }
[49]523#else
[1]524 {
[94]525 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]526 }
[49]527#endif
528 else
529 {
[94]530 asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
[49]531 }
532 if (bkpinfo->manual_cd_tray) {
[164]533 if (bkpinfo->call_before_iso[0] == '\0') {
[49]534 sprintf(bkpinfo->call_before_iso,
[164]535 "%s -o %s/temporary.iso . 2>> _ERR_",
536 mondo_mkisofs_sz, bkpinfo->tmpdir);
537 } else {
538 strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
539 sprintf (bkpinfo->call_before_iso,
540 "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
541 mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
542 }
543 log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[49]544 sprintf(bkpinfo->call_make_iso,
545 "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
546 cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
547 extra_cdrom_params, bkpinfo->media_device,
548 bkpinfo->cdrw_speed, bkpinfo->tmpdir);
549 } else {
550 sprintf(bkpinfo->call_make_iso,
551 "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
552 mondo_mkisofs_sz, cdr_exe,
553 (bkpinfo->please_dont_eject) ? " " : "-eject",
554 extra_cdrom_params, bkpinfo->media_device,
555 bkpinfo->cdrw_speed);
556 }
[94]557 paranoid_free(mondo_mkisofs_sz);
558 paranoid_free(cdr_exe);
559 paranoid_free(extra_cdrom_params);
[49]560 } // end of CD code
[1]561
[49]562 if (bkpinfo->backup_media_type == iso) {
563
[1]564/* Patch by Conor Daly <conor.daly@met.ie>
565 * 23-june-2004
566 * Break up isodir into iso_mnt and iso_path
567 * These will be used along with iso-dev at restore time
568 * to locate the ISOs where ever they're mounted
569 */
570
[49]571 log_it("isodir = %s", bkpinfo->isodir);
[166]572 asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
[127]573 bkpinfo->isodir);
[49]574 log_it("command = %s", command);
[688]575 tmp = call_program_and_get_last_line_of_output(command);
[94]576 paranoid_free(command);
577 log_it("res of it = %s", tmp);
578 asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
579 write_one_liner_data_file(tmp1, tmp);
580 paranoid_free(tmp1);
[1]581
[94]582 asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
[127]583 tmp);
[94]584 paranoid_free(tmp);
[49]585 log_it("command = %s", command);
[688]586 tmp = call_program_and_get_last_line_of_output(command);
[94]587 paranoid_free(command);
588 log_it("res of it = %s", tmp);
589
590 asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
591 write_one_liner_data_file(tmp1, tmp);
592 paranoid_free(tmp1);
593
594 log_it("isomnt: %s, %d", tmp, strlen(tmp));
595 if (strlen(bkpinfo->isodir) < strlen(tmp)) {
[171]596 asprintf(&iso_path, " ");
[49]597 } else {
[94]598 asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
[49]599 }
[94]600 paranoid_free(tmp);
601
602 asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
[49]603 write_one_liner_data_file(tmp, iso_path);
[94]604 paranoid_free(tmp);
[49]605 log_it("isodir: %s", iso_path);
[94]606 paranoid_free(iso_path);
[149]607 asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
608 write_one_liner_data_file(tmp, bkpinfo->prefix);
609 log_it("iso-prefix: %s", bkpinfo->prefix);
610 paranoid_free(tmp);
[1]611/* End patch */
[49]612 } // end of iso code
[1]613
[49]614 if (bkpinfo->backup_media_type == nfs) {
[94]615 asprintf(&hostname, bkpinfo->nfs_mount);
[49]616 colon = strchr(hostname, ':');
617 if (!colon) {
618 log_it("nfs mount doesn't have a colon in it");
619 retval++;
620 } else {
621 struct hostent *hent;
[1]622
[49]623 *colon = '\0';
624 hent = gethostbyname(hostname);
625 if (!hent) {
626 log_it("Can't resolve NFS mount (%s): %s", hostname,
627 hstrerror(h_errno));
628 retval++;
629 } else {
[94]630 asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
[127]631 *((struct in_addr
632 *) hent->
633 h_addr)),
634 strchr(bkpinfo->nfs_mount, ':'));
[49]635 strcpy(bkpinfo->nfs_mount, ip_address);
[94]636 paranoid_free(ip_address);
[49]637 }
638 }
[89]639 store_nfs_config(bkpinfo);
[94]640 paranoid_free(hostname);
[49]641 }
[1]642
[49]643 log_it("Finished processing incoming params");
644 if (retval) {
645 fprintf(stderr, "Type 'man mondoarchive' for help.\n");
646 }
[94]647 asprintf(&tmp, "%s", MONDO_TMPISOS);
[49]648 if (does_file_exist(tmp)) {
649 unlink(tmp);
650 }
[94]651 paranoid_free(tmp);
652
[49]653 if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
654 log_it("tmpdir or scratchdir are blank/missing");
655 retval++;
656 }
657 if (bkpinfo->include_paths[0] == '\0') {
658 // fatal_error ("Why no backup path?");
659 strcpy(bkpinfo->include_paths, "/");
660 }
661 chmod(bkpinfo->scratchdir, 0700);
662 chmod(bkpinfo->tmpdir, 0700);
663 g_backup_media_type = bkpinfo->backup_media_type;
664 return (retval);
[1]665}
666
667
668
669/**
670 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
671 * Seeds the random-number generator, loads important modules, checks the sanity
672 * of the user's Linux distribution, and deletes logfile.
673 * @param bkpinfo The backup information structure. Will be initialized.
674 * @return number of errors (0 for success)
675 */
676int pre_param_configuration(struct s_bkpinfo *bkpinfo)
677{
[49]678 int res = 0;
[1]679
[49]680 make_hole_for_dir(MNT_CDROM);
681 assert(bkpinfo != NULL);
682 srandom((unsigned long) (time(NULL)));
683 insmod_crucial_modules();
684 reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
685 if (bkpinfo->disaster_recovery) {
686 if (!does_nonMS_partition_exist()) {
687 fatal_error
688 ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
689 }
690 }
[1]691
[49]692 unlink(MONDO_TRACEFILE);
693 run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
[94]694 if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
[49]695 fprintf(stderr,
696 "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");
697 res++;
698 return (res);
699 }
700 res += some_basic_system_sanity_checks();
701 if (res) {
702 log_it("Your distribution did not pass Mondo's sanity test.");
703 }
704 g_current_media_number = 1;
[688]705 bkpinfo->postnuke_tarball = NULL;
706 bkpinfo->nfs_mount = NULL;
[49]707 return (res);
[1]708}
709
710
711
712
713/**
714 * Reset all fields of the backup information structure to a sensible default.
715 * @param bkpinfo The @c bkpinfo to reset.
716 */
[49]717void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
[1]718{
[688]719 int i = 0;
[1]720
[49]721 log_msg(1, "Hi");
[688]722
[49]723 assert(bkpinfo != NULL);
[688]724 /* BERLIOS : Useless
[49]725 memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[688]726 */
727
[49]728 bkpinfo->manual_cd_tray = FALSE;
729 bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[688]730 bkpinfo->boot_loader = '\0';
731
[49]732 for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
733 bkpinfo->media_size[i] = -1;
734 }
[688]735
736 paranoid_free(bkpinfo->media_device);
737 paranoid_free(bkpinfo->boot_device);
738 paranoid_free(bkpinfo->zip_exe);
739 paranoid_free(bkpinfo->zip_suffix);
740 paranoid_free(bkpinfo->restore_path);
[49]741 bkpinfo->use_lzo = FALSE;
[688]742 paranoid_free(bkpinfo->do_not_compress_these);
[49]743 bkpinfo->verify_data = FALSE;
744 bkpinfo->backup_data = FALSE;
745 bkpinfo->restore_data = FALSE;
746 bkpinfo->disaster_recovery =
747 (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
748 if (bkpinfo->disaster_recovery) {
[688]749 paranoid_alloc(bkpinfo->isodir, "/");
[49]750 } else {
[688]751 paranoid_alloc(bkpinfo->isodir, "/var/cache/mondo/iso");
[49]752 }
[688]753 paranoid_alloc(bkpinfo->prefix, STD_PREFIX);
[1]754
[688]755 paranoid_free(bkpinfo->scratchdir);
[49]756 bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[688]757 paranoid_free(bkpinfo->tmpdir);
758 asprintf(&bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
[49]759 bkpinfo->optimal_set_size = 0;
760 bkpinfo->backup_media_type = none;
[688]761 paranoid_alloc(bkpinfo->include_paths, "/");
762 paranoid_free(bkpinfo->exclude_paths);
763 paranoid_free(bkpinfo->call_before_iso);
764 paranoid_free(bkpinfo->call_make_iso);
765 paranoid_free(bkpinfo->call_burn_iso);
766 paranoid_free(bkpinfo->call_after_iso);
767 paranoid_free(bkpinfo->image_devs);
768 paranoid_free(bkpinfo->postnuke_tarball);
769 paranoid_free(bkpinfo->kernel_path);
770 paranoid_free(bkpinfo->nfs_mount);
771 paranoid_free(bkpinfo->nfs_remote_dir);
[49]772 bkpinfo->wipe_media_first = FALSE;
773 bkpinfo->differential = FALSE;
774 bkpinfo->cdrw_speed = 0;
[1]775// patch by Herman Kuster
[49]776 bkpinfo->differential = 0;
[1]777// patch end
[49]778 bkpinfo->compression_level = 3;
[1]779}
780
781
782/**
783 * Get the remaining free space (in MB) on @p partition.
784 * @param partition The partition to check free space on (either a device or a mountpoint).
785 * @return The free space on @p partition, in MB.
786 */
[49]787long free_space_on_given_partition(char *partition)
[1]788{
[688]789 char *command = NULL;
790 char *out_sz = NULL;
[49]791 long res;
[1]792
[49]793 assert_string_is_neither_NULL_nor_zerolength(partition);
[1]794
[309]795 asprintf(&command, "df -m -P %s &> /dev/null", partition);
[49]796 if (system(command)) {
797 return (-1);
798 } // partition does not exist
[94]799 paranoid_free(command);
800
[309]801 asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
[127]802 partition);
[688]803 out_sz = call_program_and_get_last_line_of_output(command);
[94]804 paranoid_free(command);
[49]805 if (strlen(out_sz) == 0) {
806 return (-1);
807 } // error within df, probably
808 res = atol(out_sz);
[94]809 paranoid_free(out_sz);
[49]810 return (res);
[1]811}
812
813
814
815/**
816 * Check the user's system for sanity. Checks performed:
817 * - make sure user has enough RAM (32mb required, 64mb recommended)
818 * - make sure user has enough free space in @c /
819 * - check kernel for ramdisk support
820 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
821 * - make sure CD-ROM is unmounted
822 * - make sure /etc/modules.conf exists
823 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
824 *
825 * @return number of problems with the user's setup (0 for success)
826 */
[49]827int some_basic_system_sanity_checks()
[1]828{
829
[49]830 /*@ buffers ************ */
[94]831 char *tmp;
[1]832
[49]833 /*@ int's *************** */
834 int retval = 0;
835 long Lres;
[1]836
837
[49]838 mvaddstr_and_log_it(g_currentY, 0,
839 "Checking sanity of your Linux distribution");
[1]840#ifndef __FreeBSD__
[49]841 if (system("which mkfs.vfat &> /dev/null")
842 && !system("which mkfs.msdos &> /dev/null")) {
843 log_it
844 ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
845 run_program_and_log_output
846 ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
847 }
[688]848 tmp = call_program_and_get_last_line_of_output
849 ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2");
[49]850 if (atol(tmp) < 35000) {
851 retval++;
[507]852 log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
[49]853 }
854 if (atol(tmp) < 66000) {
855 log_to_screen
[507]856 (_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
[49]857 }
[94]858 paranoid_free(tmp);
[1]859#endif
860
[539]861 if ((Lres = free_space_on_given_partition("/var/cache/mondo")) == -1) /* {
[49]862 Lres = free_space_on_given_partition("/");
863 }
[539]864 */
[49]865 log_it("Free space on given partition = %ld MB", Lres);
[1]866
[49]867 if (Lres < 50) {
[539]868 fatal_error("Your /var/cache/mondo partition has <50MB free. Please adjust your partition table to something saner.");
[49]869 }
[1]870
[49]871 if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
872 retval++;
873 log_to_screen
874 ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
875 fatal_error
876 ("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. :)");
877 }
[1]878#ifndef __FreeBSD__
[49]879 if (run_program_and_log_output
[274]880 ("grep ramdisk /proc/devices", FALSE)) {
[49]881 if (!ask_me_yes_or_no
[507]882 (_("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?")))
[49]883 {
884 // retval++;
885 log_to_screen
[507]886 (_("It looks as if your kernel lacks ramdisk and initrd support."));
[49]887 log_to_screen
[507]888 (_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
[49]889 }
890 }
[1]891#endif
[49]892 retval += whine_if_not_found(MKE2FS_OR_NEWFS);
893 retval += whine_if_not_found("mkisofs");
894 if (system("which dvdrecord > /dev/null 2> /dev/null")) {
895 retval += whine_if_not_found("cdrecord");
896 }
897 retval += whine_if_not_found("bzip2");
898 retval += whine_if_not_found("awk");
899 retval += whine_if_not_found("md5sum");
900 retval += whine_if_not_found("strings");
901 retval += whine_if_not_found("mindi");
902 retval += whine_if_not_found("buffer");
[1]903
[49]904 // abort if Windows partition but no ms-sys and parted
905 if (!run_program_and_log_output
[687]906 ("mount | grep -w vfat | grep -vE \"/dev/fd|nexdisk\"", 0)
[49]907 ||
908 !run_program_and_log_output
[687]909 ("mount | grep -w dos | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[507]910 log_to_screen(_("I think you have a Windows 9x partition."));
[49]911 retval += whine_if_not_found("parted");
[1]912#ifndef __IA64__
[49]913 /* IA64 always has one vfat partition for EFI even without Windows */
914 // retval +=
915 if (!find_home_of_exe("ms-sys")) {
[507]916 log_to_screen(_("Please install ms-sys just in case."));
[49]917 }
918#endif
[1]919 }
920
[49]921 if (!find_home_of_exe("cmp")) {
922 if (!find_home_of_exe("true")) {
923 whine_if_not_found("cmp");
924 } else {
925 log_to_screen
[507]926 (_("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you."));
[49]927 if (run_program_and_log_output
928 ("cp -f `which true` /usr/bin/cmp", 0)) {
929 fatal_error("Failed to create dummy 'cmp' file.");
930 }
931 }
[1]932 }
[49]933 run_program_and_log_output
934 ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
[688]935 tmp = call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\"");
[49]936 if (strcmp("", tmp)) {
937 if (strstr(tmp, "autofs")) {
938 log_to_screen
[507]939 (_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
[49]940 log_to_screen
[507]941 (_("if a CD actually is inserted. If a CD is inserted, please"));
942 log_to_screen(_("eject it. Thank you."));
[49]943 log_it
944 ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
945 } else
946 if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
947 retval++;
948 fatal_error
949 ("Your CD-ROM drive is mounted. Please unmount it.");
950 }
951 }
[94]952 paranoid_free(tmp);
[1]953#ifndef __FreeBSD__
[49]954 if (!does_file_exist("/etc/modules.conf")) {
955 if (does_file_exist("/etc/conf.modules")) {
956 log_it("Linking /etc/modules.conf to /etc/conf.modules");
957 run_program_and_log_output
958 ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
959 } else if (does_file_exist("/etc/modprobe.d")) {
960 log_it
961 ("Directory /etc/modprobe.d found. mindi will use its contents.");
962 } else if (does_file_exist("/etc/modprobe.conf")) {
963 log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
964 run_program_and_log_output
965 ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
966 } else {
967 retval++;
968 log_to_screen
[507]969 (_("Please find out what happened to /etc/modules.conf"));
[49]970 }
[1]971 }
972#endif
973
[49]974 run_program_and_log_output("cat /etc/fstab", 5);
[1]975#ifdef __FreeBSD__
[49]976 run_program_and_log_output("vinum printconfig", 5);
[1]977#else
[49]978 run_program_and_log_output("cat /etc/raidtab", 5);
[1]979#endif
980
[49]981 if (run_program_and_log_output("mindi -V", 1)) {
[507]982 log_to_screen(_("Could not ascertain mindi's version number."));
[49]983 log_to_screen
[507]984 (_("You have not installed Mondo and/or Mindi properly."));
985 log_to_screen(_("Please uninstall and reinstall them both."));
[49]986 fatal_error("Please reinstall Mondo and Mindi.");
987 }
988 if (run_program_and_log_output
989 ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
990 log_to_screen
[507]991 (_("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason."));
[49]992 log_to_screen
[507]993 (_("Please run that command by hand and examine /var/log/mindi.log"));
[49]994 log_to_screen
[507]995 (_("for more information. Perhaps your /etc/fstab file is insane."));
[49]996 log_to_screen
[507]997 (_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
[49]998 retval++;
999 }
[1]1000
[197]1001 if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
[49]1002 && !does_file_exist("/etc/raidtab")) {
1003 log_to_screen
[507]1004 (_("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat"));
[561]1005 create_raidtab_from_mdstat("/etc/raidtab");
[49]1006 }
1007
1008 if (retval) {
[507]1009 mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
[49]1010 } else {
[507]1011 mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
[49]1012 }
1013 return (retval);
[1]1014}
1015
1016/**
1017 * Retrieve the line containing @p label from the config file.
1018 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1019 * @param label What to read from the file.
1020 * @param value Where to put it.
1021 * @return 0 for success, 1 for failure.
1022 */
[49]1023int read_cfg_var(char *config_file, char *label, char *value)
[1]1024{
[49]1025 /*@ buffer ****************************************************** */
[688]1026 char *command = NULL;
1027 char *tmp = NULL;
[1]1028
[49]1029 /*@ end vars *************************************************** */
[1]1030
[49]1031 assert_string_is_neither_NULL_nor_zerolength(config_file);
1032 assert_string_is_neither_NULL_nor_zerolength(label);
[688]1033
[49]1034 if (!does_file_exist(config_file)) {
[94]1035 asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
[127]1036 config_file);
[49]1037 log_to_screen(tmp);
[94]1038 paranoid_free(tmp);
[688]1039 value = NULL;
[49]1040 return (1);
1041 } else if (strstr(value, "/dev/") && strstr(value, "t0")
1042 && !strcmp(label, "media-dev")) {
1043 log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1044 label, value);
1045 return (0);
1046 } else {
[149]1047 asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1048 label, config_file);
[688]1049 value = call_program_and_get_last_line_of_output(command);
[94]1050 paranoid_free(command);
[49]1051 if (strlen(value) == 0) {
1052 return (1);
1053 } else {
1054 return (0);
1055 }
[1]1056 }
1057}
1058
1059
1060/**
1061 * Remount @c supermount if it was unmounted earlier.
1062 */
1063void remount_supermounts_if_necessary()
1064{
[49]1065 if (g_remount_cdrom_at_end) {
1066 run_program_and_log_output("mount " MNT_CDROM, FALSE);
1067 }
1068 if (g_remount_floppy_at_end) {
1069 run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1070 }
[1]1071}
1072
1073/**
1074 * Unmount @c supermount if it's mounted.
1075 */
1076void unmount_supermounts_if_necessary()
1077{
[49]1078 if (run_program_and_log_output
1079 ("mount | grep cdrom | grep super", FALSE) == 0) {
1080 g_remount_cdrom_at_end = TRUE;
1081 run_program_and_log_output("umount " MNT_CDROM, FALSE);
1082 }
1083 if (run_program_and_log_output
1084 ("mount | grep floppy | grep super", FALSE) == 0) {
1085 g_remount_floppy_at_end = TRUE;
1086 run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1087 }
[1]1088}
1089
1090/**
1091 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1092 */
1093void mount_boot_if_necessary()
1094{
[94]1095 char *tmp;
1096 char *tmp1;
1097 char *command;
[1]1098
[49]1099 log_msg(1, "Started sub");
[94]1100 log_msg(4, "About to set g_boot_mountpt to \"\"");
1101 asprintf(&g_boot_mountpt, "");
[49]1102 log_msg(4, "Done. Great. Seeting command to something");
[94]1103 asprintf(&command,
[274]1104 "grep -v \":\" /etc/fstab | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[49]1105 log_msg(4, "Cool. Command = '%s'", command);
[688]1106 tmp = call_program_and_get_last_line_of_output(command);
[94]1107 paranoid_free(command);
1108
[49]1109 log_msg(4, "tmp = '%s'", tmp);
[688]1110 if (tmp) {
[49]1111 log_it("/boot is at %s according to /etc/fstab", tmp);
1112 if (strstr(tmp, "LABEL=")) {
1113 if (!run_program_and_log_output("mount /boot", 5)) {
[94]1114 paranoid_free(g_boot_mountpt);
1115 asprintf(&g_boot_mountpt, "/boot");
[49]1116 log_msg(1, "Mounted /boot");
1117 } else {
1118 log_it("...ignored cos it's a label :-)");
1119 }
1120 } else {
[94]1121 asprintf(&command, "mount | grep -w \"%s\"", tmp);
[49]1122 log_msg(3, "command = %s", command);
1123 if (run_program_and_log_output(command, 5)) {
[94]1124 paranoid_free(g_boot_mountpt);
1125 asprintf(&g_boot_mountpt, tmp);
1126 asprintf(&tmp1,
[127]1127 "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1128 g_boot_mountpt);
[94]1129 log_it(tmp1);
1130 paranoid_free(tmp1);
1131
1132 asprintf(&tmp1, "mount %s", g_boot_mountpt);
1133 if (run_program_and_log_output(tmp1, 5)) {
1134 paranoid_free(g_boot_mountpt);
[171]1135 asprintf(&g_boot_mountpt, " ");
[49]1136 log_msg(1, "Plan B");
1137 if (!run_program_and_log_output("mount /boot", 5)) {
[94]1138 paranoid_free(g_boot_mountpt);
1139 asprintf(&g_boot_mountpt, "/boot");
[49]1140 log_msg(1, "Plan B worked");
1141 } else {
1142 log_msg(1,
1143 "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1144 }
1145 }
[94]1146 paranoid_free(tmp1);
[49]1147 }
[94]1148 paranoid_free(command);
[49]1149 }
[1]1150 }
[94]1151 paranoid_free(tmp);
[49]1152 log_msg(1, "Ended sub");
[1]1153}
1154
1155
1156/**
1157 * If we mounted /boot earlier, unmount it.
1158 */
1159void unmount_boot_if_necessary()
1160{
[94]1161 char *tmp;
[1]1162
[49]1163 log_msg(3, "starting");
1164 if (g_boot_mountpt[0]) {
[94]1165 asprintf(&tmp, "umount %s", g_boot_mountpt);
[49]1166 if (run_program_and_log_output(tmp, 5)) {
1167 log_it("WARNING - unable to unmount /boot");
1168 }
[94]1169 paranoid_free(tmp);
[49]1170 }
1171 log_msg(3, "leaving");
[1]1172}
1173
1174
1175
1176/**
1177 * Write a line to a configuration file. Writes a line of the form,
1178 * @c label @c value.
1179 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1180 * @param label What to call this bit of data you're writing.
1181 * @param value The bit of data you're writing.
1182 * @return 0 for success, 1 for failure.
1183 */
[49]1184int write_cfg_var(char *config_file, char *label, char *value)
[1]1185{
[49]1186 /*@ buffers ***************************************************** */
[94]1187 char *command;
1188 char *tempfile;
1189 char *tmp;
[1]1190
1191
[49]1192 /*@ end vars *************************************************** */
1193 assert_string_is_neither_NULL_nor_zerolength(config_file);
1194 assert_string_is_neither_NULL_nor_zerolength(label);
1195 assert(value != NULL);
[94]1196
[49]1197 if (!does_file_exist(config_file)) {
[94]1198 asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
[127]1199 config_file);
[49]1200 log_to_screen(tmp);
[94]1201 paranoid_free(tmp);
[49]1202 return (1);
1203 }
[688]1204 tempfile = call_program_and_get_last_line_of_output
1205 ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX");
[49]1206 if (does_file_exist(config_file)) {
[149]1207 asprintf(&command, "grep -vx '%s .*' %s > %s",
1208 label, config_file, tempfile);
[49]1209 paranoid_system(command);
[94]1210 paranoid_free(command);
[49]1211 }
[94]1212 asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
[49]1213 paranoid_system(command);
[94]1214 paranoid_free(command);
1215
1216 asprintf(&command, "mv -f %s %s", tempfile, config_file);
[49]1217 paranoid_system(command);
[94]1218 paranoid_free(command);
[49]1219 unlink(tempfile);
[94]1220 paranoid_free(tempfile);
[49]1221 return (0);
[1]1222}
1223
1224/**
1225 * Allocate or free important globals, depending on @p mal.
1226 * @param mal If TRUE, malloc; if FALSE, free.
1227 */
1228void do_libmondo_global_strings_thing(int mal)
1229{
[49]1230 if (mal) {
1231 iamhere("Malloc'ing globals");
[688]1232 g_erase_tmpdir_and_scratchdir = NULL;
[49]1233 malloc_string(g_serial_string);
1234 } else {
1235 iamhere("Freeing globals");
1236 paranoid_free(g_boot_mountpt);
1237 paranoid_free(g_mondo_home);
1238 paranoid_free(g_tmpfs_mountpt);
1239 paranoid_free(g_erase_tmpdir_and_scratchdir);
1240 paranoid_free(g_serial_string);
1241 paranoid_free(g_magicdev_command);
1242 }
[1]1243}
1244
1245/**
1246 * Allocate important globals.
1247 * @see do_libmondo_global_strings_thing
1248 */
1249void malloc_libmondo_global_strings(void)
1250{
[49]1251 do_libmondo_global_strings_thing(1);
[1]1252}
1253
1254/**
1255 * Free important globals.
1256 * @see do_libmondo_global_strings_thing
1257 */
1258void free_libmondo_global_strings(void)
1259{
[49]1260 do_libmondo_global_strings_thing(0);
[1]1261}
1262
1263
1264
1265/**
1266 * Stop @c magicdev if it's running.
1267 * The command used to start it is saved in @p g_magicdev_command.
1268 */
1269void stop_magicdev_if_necessary()
1270{
[688]1271 g_magicdev_command = call_program_and_get_last_line_of_output
1272 ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99");
1273 if (g_magicdev_command) {
[49]1274 log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1275 paranoid_system("killall magicdev");
1276 }
[1]1277}
1278
1279
1280/**
1281 * Restart magicdev if it was stopped.
1282 */
1283void restart_magicdev_if_necessary()
1284{
[688]1285 char *tmp = NULL;
[49]1286
[688]1287 if (!g_magicdev_command) {
[94]1288 asprintf(&tmp, "%s &", g_magicdev_command);
[49]1289 paranoid_system(tmp);
[94]1290 paranoid_free(tmp);
[49]1291 }
[1]1292}
1293
1294/* @} - end of utilityGroup */
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