source: trunk/mondo/mondo/common/libmondo-tools.c @ 507

Last change on this file since 507 was 507, checked in by bcornec, 13 years ago

merge -r489:506 $SVN_M/branches/stable

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1/* $Id: libmondo-tools.c 507 2006-04-30 00:04:16Z bcornec $
2misc tools
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"
13#include "newt-specific-EXT.h"
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>
20#ifndef S_SPLINT_S
21#include <arpa/inet.h>
22#endif
23
24/*@unused@*/
25//static char cvsid[] = "$Id: libmondo-tools.c 507 2006-04-30 00:04:16Z bcornec $";
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 */
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.
41double g_kernel_version;
42
43/**
44 * The place where /boot is mounted. - Used locally only
45 */
46static char *g_boot_mountpt = NULL;
47
48/**
49 * The location of Mondo's home directory.
50 */
51char *g_mondo_home = NULL;
52
53/**
54 * The serial string (used to differentiate between backups) of the current backup.
55 */
56char *g_serial_string = NULL;
57
58/**
59 * The location where tmpfs is mounted, or "" if it's not mounted.
60 */
61char *g_tmpfs_mountpt = NULL;
62char *g_magicdev_command = NULL;
63
64/**
65 * The default maximum level to log messages at or below.
66 */
67int g_loglevel = DEFAULT_DEBUG_LEVEL;
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 */
94void _mondo_assert_fail(const char *file,
95                        const char *function, int line, const char *exp)
96{
97    static int ignoring_assertions = 0;
98    bool is_valid = TRUE;
99
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    }
106#ifndef _XWIN
107    if (!g_text_mode)
108        newtSuspend();
109#endif
110    printf(_("ASSERTION FAILED: `%s'\n"), exp);
111    printf(_("\tat %s:%d in %s\n\n"), file, line, function);
112    printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
113    do {
114        is_valid = TRUE;
115        switch (toupper(getchar())) {
116        case 'A':               // ignore (A)ll
117            ignoring_assertions = 1;
118            break;
119        case 'B':               // a(B)ort
120            signal(SIGABRT, SIG_DFL);   /* prevent SIGABRT handler from running */
121            raise(SIGABRT);
122            break;              /* "can't get here" */
123        case 'D':               // (D)ebug, aka asm("int 3")
124#ifdef __IA32__
125            __asm__ __volatile__("int $3"); // break to debugger
126#endif
127            break;
128        case 'E':               // (E)xit
129            fatal_error("Failed assertion -- see above for details");
130            break;              /* "can't get here" */
131        case 'I':               // (I)gnore
132            break;
133            /* These next two work as follows:
134               the `default' catches the user's invalid choice and says so;
135               the '\n' catches the newline on the end and prints the prompt again.
136             */
137        case '\n':
138            printf
139                (_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
140            break;
141        default:
142            is_valid = FALSE;
143            printf(_("Invalid choice.\n"));
144            break;
145        }
146    } while (!is_valid);
147
148    if (ignoring_assertions) {
149        log_it("Ignoring ALL assertions from now on.");
150    } else {
151        log_it("Ignoring assertion: %s", exp);
152    }
153
154    getchar();                  // skip \n
155
156#ifndef _XWIN
157    if (!g_text_mode)
158        newtResume();
159#endif
160}
161
162/**
163 * Clean's up users' KDE desktops.
164 * @bug Details about this function are unknown.
165 */
166void clean_up_KDE_desktop_if_necessary(void)
167{
168    char *tmp;
169
170    asprintf(&tmp,
171             "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
172file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
173awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
174else { print $0;};}' $file.old  > $file ; fi ; done");
175    run_program_and_log_output(tmp, 5);
176    paranoid_free(tmp);
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 */
187char *find_and_store_mondoarchives_home()
188{
189    char *home_sz = NULL;
190
191    asprintf(&home_sz, MONDO_SHARE);
192    return (home_sz);
193}
194
195
196char *get_architecture()
197{
198#ifdef __IA32__
199    return ("i386");
200#endif
201#ifdef __X86_64__
202    return ("x86-64");
203#endif
204#ifdef __IA64__
205    return ("ia64");
206#endif
207    return ("unknown");
208}
209
210
211
212double get_kernel_version()
213{
214    char *p, *tmp;
215    double d;
216#ifdef __FreeBSD__
217    // JOSH - FIXME :)
218    d = 5.2;                    // :-)
219#else
220    asprintf(&tmp, call_program_and_get_last_line_of_output("uname -r"));
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    }
231//  log_msg(1, "tmp = '%s'", tmp);
232    d = atof(tmp);
233#endif
234    log_msg(1, "g_kernel_version = %f", d);
235    return (d);
236}
237
238
239
240
241
242/**
243 * Get the current time.
244 * @return number of seconds since the epoch.
245 */
246long get_time()
247{
248    return (long) time((void *) 0);
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__
265void initialize_raidrec(struct vinum_volume *raidrec)
266{
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    }
278}
279#else
280void initialize_raidrec(struct raid_device_record *raidrec)
281{
282    assert(raidrec != NULL);
283    raidrec->raid_device[0] = '\0';
284    raidrec->raid_level = 0;
285    raidrec->chunk_size = 4;
286    raidrec->persistent_superblock = 1;
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;
292}
293#endif
294
295
296
297
298/**
299 * Insert modules that Mondo requires.
300 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
301 * @c msdosfs and @c ext2fs for FreeBSD.
302 */
303void insmod_crucial_modules(void)
304{
305#ifdef __FreeBSD__
306    system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
307    system("kldstat | grep ext2fs  || kldload ext2fs 2> /dev/null");
308#else
309    system("modprobe -a dos fat vfat loop &> /dev/null");
310#endif
311}
312
313
314/**
315 * Finish configuring the backup information structure. Call this function
316 * to set the parameters that depend on those that can be given on the command
317 * line.
318 *
319 * @param bkpinfo The backup information structure. Fields modified/used:
320 * - Used: @c bkpinfo->backup_data
321 * - Used: @c bkpinfo->backup_media_type
322 * - Used: @c bkpinfo->cdrw_speed
323 * - Used: @c bkpinfo->compression_level
324 * - Used: @c bkpinfo->include_paths
325 * - Used: @c bkpinfo->prefix
326 * - Used: @c bkpinfo->isodir
327 * - Used: @c bkpinfo->manual_cd_tray
328 * - Used: @c bkpinfo->make_cd_use_lilo
329 * - Used: @c bkpinfo->media_device
330 * - Used: @c bkpinfo->nfs_mount
331 * - Used: @c bkpinfo->nonbootable_backup
332 * - Used: @c bkpinfo->scratchdir
333 * - Used: @c bkpinfo->tmpdir
334 * - Used: @c bkpinfo->use_lzo
335 * - Modified: @c bkpinfo->call_before_iso
336 * - Modified: @c bkpinfo->call_make_iso
337 * - Modified: @c bkpinfo->optimal_set_size
338 * - Modified: @c bkpinfo->zip_exe
339 * - Modified: @c bkpinfo->zip_suffix
340 *
341 * @return number of errors, or 0 for success.
342 * @note Also creates directories that are specified in the @c bkpinfo structure but
343 * do not exist.
344 */
345int post_param_configuration(struct s_bkpinfo *bkpinfo)
346{
347    char *extra_cdrom_params = NULL;
348    char *mondo_mkisofs_sz = NULL;
349    char *command;
350    char *hostname, *ip_address;
351    int retval = 0;
352    long avm = 0;
353    char *colon;
354    char *cdr_exe;
355    char *tmp;
356    char *tmp1;
357    char call_before_iso_user[MAX_STR_LEN] = "\0";
358    int rdsiz_MB;
359    char *iso_path;
360
361    assert(bkpinfo != NULL);
362    bkpinfo->optimal_set_size =
363        (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
364        1024;
365
366    log_msg(1, "Foo");
367    if (bkpinfo->backup_media_type == tape) {
368        log_msg(1, "Bar");
369        asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
370        log_msg(1, "tmp = '%s'", tmp);
371        if (run_program_and_log_output(tmp, 3)) {
372            fatal_error
373                ("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.");
374        }
375        paranoid_free(tmp);
376    }
377    make_hole_for_dir(bkpinfo->scratchdir);
378    make_hole_for_dir(bkpinfo->tmpdir);
379    if (bkpinfo->backup_media_type == iso)
380        make_hole_for_dir(bkpinfo->isodir);
381
382    run_program_and_log_output("uname -a", 5);
383    run_program_and_log_output("cat /etc/*issue*", 5);
384    asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
385    asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
386    paranoid_system(command);
387    paranoid_free(command);
388    rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
389#ifdef __FreeBSD__
390    asprintf(&tmp,
391             call_program_and_get_last_line_of_output
392             ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
393    avm += atol(tmp);
394    paranoid_free(tmp);
395    asprintf(&tmp,
396             call_program_and_get_last_line_of_output
397             ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
398    avm += atol(tmp);
399    paranoid_free(tmp);
400    asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
401             g_tmpfs_mountpt);
402#else
403    asprintf(&tmp,
404             call_program_and_get_last_line_of_output
405             ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
406    avm += atol(tmp);
407    paranoid_free(tmp);
408    asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
409             g_tmpfs_mountpt, rdsiz_MB, 'm');
410    run_program_and_log_output("cat /proc/cpuinfo", 5);
411    /* BERLIOS: rpm is not necessarily there ! */
412    run_program_and_log_output
413        ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
414         5);
415#endif
416    if (avm / 1024 > rdsiz_MB * 3) {
417        if (run_program_and_log_output(command, 5)) {
418            g_tmpfs_mountpt[0] = '\0';
419            log_it("Failed to mount tmpfs");
420        } else {
421            log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
422        }
423    } else {
424        g_tmpfs_mountpt[0] = '\0';
425        log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
426    }
427    paranoid_free(command);
428
429    if (bkpinfo->use_lzo) {
430        strcpy(bkpinfo->zip_exe, "lzop");
431        strcpy(bkpinfo->zip_suffix, "lzo");
432    } else if (bkpinfo->compression_level != 0) {
433        strcpy(bkpinfo->zip_exe, "bzip2");
434        strcpy(bkpinfo->zip_suffix, "bz2");
435    } else {
436        bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
437    }
438
439// DVD
440
441    if (bkpinfo->backup_media_type == dvd) {
442        if (!(find_home_of_exe("growisofs"))) {
443            fatal_error("Please install growisofs.");
444        }
445        if (bkpinfo->nonbootable_backup) {
446            asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
447        } else if
448#ifdef __FreeBSD__
449            (TRUE)
450#else
451            (bkpinfo->make_cd_use_lilo)
452#endif
453#ifdef __IA64__
454    {
455        asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
456    }
457#else
458    {
459        asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
460    }
461#endif
462        else
463        {
464            asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
465        }
466        if (bkpinfo->manual_cd_tray) {
467            fatal_error("Manual CD tray + DVD not supported yet.");
468            // -m isn't supported by growisofs, BTW...
469        } else {
470            sprintf(bkpinfo->call_make_iso,
471                    "%s %s -Z %s . 2>> _ERR_",
472                    mondo_mkisofs_sz, "", bkpinfo->media_device);
473        }
474        paranoid_free(mondo_mkisofs_sz);
475
476        if (getenv("SUDO_COMMAND")) {
477            fatal_error
478                ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
479        }
480        log_msg(2, "call_make_iso (DVD res) is ... %s",
481                bkpinfo->call_make_iso);
482    }                           // end of DVD code
483
484// CD-R or CD-RW
485    if (bkpinfo->backup_media_type == cdrw
486        || bkpinfo->backup_media_type == cdr) {
487        if (!bkpinfo->manual_cd_tray) {
488            asprintf(&extra_cdrom_params, "-waiti ");
489        }
490        if (bkpinfo->backup_media_type == cdrw) {
491            if (extra_cdrom_params != NULL) {
492                asprintf(&tmp, extra_cdrom_params);
493                paranoid_free(extra_cdrom_params);
494                asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
495            } else {
496                asprintf(&extra_cdrom_params, "blank=fast ");
497            }
498        }
499        if (find_home_of_exe("cdrecord")) {
500            asprintf(&cdr_exe, "cdrecord");
501        } else if (find_home_of_exe("dvdrecord")) {
502            asprintf(&cdr_exe, "dvdrecord");
503        } else {
504            fatal_error("Please install either cdrecord or dvdrecord.");
505        }
506        if (bkpinfo->nonbootable_backup) {
507            asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
508        } else if
509#ifdef __FreeBSD__
510            (TRUE)
511#else
512            (bkpinfo->make_cd_use_lilo)
513#endif
514#ifdef __IA64__
515    {
516        asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
517    }
518#else
519    {
520        asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
521    }
522#endif
523        else
524        {
525            asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
526        }
527        if (bkpinfo->manual_cd_tray) {
528            if (bkpinfo->call_before_iso[0] == '\0') {
529            sprintf(bkpinfo->call_before_iso,
530                        "%s -o %s/temporary.iso . 2>> _ERR_",
531                        mondo_mkisofs_sz, bkpinfo->tmpdir);
532                } else {
533                strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
534                sprintf (bkpinfo->call_before_iso,
535                                    "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
536                        mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
537            }
538            log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
539            sprintf(bkpinfo->call_make_iso,
540                    "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
541                    cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
542                    extra_cdrom_params, bkpinfo->media_device,
543                    bkpinfo->cdrw_speed, bkpinfo->tmpdir);
544        } else {
545            sprintf(bkpinfo->call_make_iso,
546                    "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
547                    mondo_mkisofs_sz, cdr_exe,
548                    (bkpinfo->please_dont_eject) ? " " : "-eject",
549                    extra_cdrom_params, bkpinfo->media_device,
550                    bkpinfo->cdrw_speed);
551        }
552        paranoid_free(mondo_mkisofs_sz);
553        paranoid_free(cdr_exe);
554        paranoid_free(extra_cdrom_params);
555    }                           // end of CD code
556
557    if (bkpinfo->backup_media_type == iso) {
558
559/* Patch by Conor Daly <conor.daly@met.ie>
560 * 23-june-2004
561 * Break up isodir into iso_mnt and iso_path
562 * These will be used along with iso-dev at restore time
563 * to locate the ISOs where ever they're mounted
564 */
565
566        log_it("isodir = %s", bkpinfo->isodir);
567        asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
568                 bkpinfo->isodir);
569        log_it("command = %s", command);
570        asprintf(&tmp, call_program_and_get_last_line_of_output(command));
571        paranoid_free(command);
572        log_it("res of it = %s", tmp);
573        asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
574        write_one_liner_data_file(tmp1, tmp);
575        paranoid_free(tmp1);
576
577        asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
578                 tmp);
579        paranoid_free(tmp);
580        log_it("command = %s", command);
581        asprintf(&tmp, call_program_and_get_last_line_of_output(command));
582        paranoid_free(command);
583        log_it("res of it = %s", tmp);
584
585        asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
586        write_one_liner_data_file(tmp1, tmp);
587        paranoid_free(tmp1);
588
589        log_it("isomnt: %s, %d", tmp, strlen(tmp));
590        if (strlen(bkpinfo->isodir) < strlen(tmp)) {
591            asprintf(&iso_path, " ");
592        } else {
593            asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
594        }
595        paranoid_free(tmp);
596
597        asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
598        write_one_liner_data_file(tmp, iso_path);
599        paranoid_free(tmp);
600        log_it("isodir: %s", iso_path);
601        paranoid_free(iso_path);
602        asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
603        write_one_liner_data_file(tmp, bkpinfo->prefix);
604        log_it("iso-prefix: %s",  bkpinfo->prefix);
605        paranoid_free(tmp);
606/* End patch */
607    }                           // end of iso code
608
609    if (bkpinfo->backup_media_type == nfs) {
610        asprintf(&hostname, bkpinfo->nfs_mount);
611        colon = strchr(hostname, ':');
612        if (!colon) {
613            log_it("nfs mount doesn't have a colon in it");
614            retval++;
615        } else {
616            struct hostent *hent;
617
618            *colon = '\0';
619            hent = gethostbyname(hostname);
620            if (!hent) {
621                log_it("Can't resolve NFS mount (%s): %s", hostname,
622                       hstrerror(h_errno));
623                retval++;
624            } else {
625                asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
626                                                        *((struct in_addr
627                                                           *) hent->
628                                                          h_addr)),
629                         strchr(bkpinfo->nfs_mount, ':'));
630                strcpy(bkpinfo->nfs_mount, ip_address);
631                paranoid_free(ip_address);
632            }
633        }
634        store_nfs_config(bkpinfo);
635        paranoid_free(hostname);
636    }
637
638    log_it("Finished processing incoming params");
639    if (retval) {
640        fprintf(stderr, "Type 'man mondoarchive' for help.\n");
641    }
642    asprintf(&tmp, "%s", MONDO_TMPISOS);
643    if (does_file_exist(tmp)) {
644        unlink(tmp);
645    }
646    paranoid_free(tmp);
647
648    if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
649        log_it("tmpdir or scratchdir are blank/missing");
650        retval++;
651    }
652    if (bkpinfo->include_paths[0] == '\0') {
653        //      fatal_error ("Why no backup path?");
654        strcpy(bkpinfo->include_paths, "/");
655    }
656    chmod(bkpinfo->scratchdir, 0700);
657    chmod(bkpinfo->tmpdir, 0700);
658    g_backup_media_type = bkpinfo->backup_media_type;
659    return (retval);
660}
661
662
663
664/**
665 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
666 * Seeds the random-number generator, loads important modules, checks the sanity
667 * of the user's Linux distribution, and deletes logfile.
668 * @param bkpinfo The backup information structure. Will be initialized.
669 * @return number of errors (0 for success)
670 */
671int pre_param_configuration(struct s_bkpinfo *bkpinfo)
672{
673    int res = 0;
674
675    make_hole_for_dir(MNT_CDROM);
676    assert(bkpinfo != NULL);
677    srandom((unsigned long) (time(NULL)));
678    insmod_crucial_modules();
679    reset_bkpinfo(bkpinfo);     // also sets defaults ('/'=backup path, 3=compression level)
680    if (bkpinfo->disaster_recovery) {
681        if (!does_nonMS_partition_exist()) {
682            fatal_error
683                ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
684        }
685    }
686
687    unlink(MONDO_TRACEFILE);
688    run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
689    if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
690        fprintf(stderr,
691                "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");
692        res++;
693        return (res);
694    }
695    res += some_basic_system_sanity_checks();
696    if (res) {
697        log_it("Your distribution did not pass Mondo's sanity test.");
698    }
699    g_current_media_number = 1;
700    bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
701    return (res);
702}
703
704
705
706
707/**
708 * Reset all fields of the backup information structure to a sensible default.
709 * @param bkpinfo The @c bkpinfo to reset.
710 */
711void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
712{
713    int i;
714
715    log_msg(1, "Hi");
716    assert(bkpinfo != NULL);
717    memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
718    bkpinfo->manual_cd_tray = FALSE;
719    bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
720    paranoid_free(bkpinfo->media_device);
721    for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
722        bkpinfo->media_size[i] = -1;
723    }
724    bkpinfo->boot_loader = '\0';
725    bkpinfo->boot_device[0] = '\0';
726    bkpinfo->zip_exe[0] = '\0';
727    bkpinfo->zip_suffix[0] = '\0';
728    bkpinfo->restore_path[0] = '\0';
729    bkpinfo->use_lzo = FALSE;
730    bkpinfo->do_not_compress_these[0] = '\0';
731    bkpinfo->verify_data = FALSE;
732    bkpinfo->backup_data = FALSE;
733    bkpinfo->restore_data = FALSE;
734    bkpinfo->disaster_recovery =
735        (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
736    if (bkpinfo->disaster_recovery) {
737        strcpy(bkpinfo->isodir, "/");
738    } else {
739        strcpy(bkpinfo->isodir, "/root/images/mondo");
740    }
741    strcpy(bkpinfo->prefix, STD_PREFIX);
742
743    bkpinfo->scratchdir[0] = '\0';
744    bkpinfo->make_filelist = TRUE;  // unless -J supplied to mondoarchive
745    sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768));  // for mondorestore
746    bkpinfo->optimal_set_size = 0;
747    bkpinfo->backup_media_type = none;
748    strcpy(bkpinfo->include_paths, "/");
749    bkpinfo->exclude_paths[0] = '\0';
750    bkpinfo->call_before_iso[0] = '\0';
751    bkpinfo->call_make_iso[0] = '\0';
752    bkpinfo->call_burn_iso[0] = '\0';
753    bkpinfo->call_after_iso[0] = '\0';
754    bkpinfo->image_devs[0] = '\0';
755    bkpinfo->postnuke_tarball[0] = '\0';
756    bkpinfo->kernel_path[0] = '\0';
757    bkpinfo->nfs_mount[0] = '\0';
758    bkpinfo->nfs_remote_dir[0] = '\0';
759    bkpinfo->wipe_media_first = FALSE;
760    bkpinfo->differential = FALSE;
761    bkpinfo->cdrw_speed = 0;
762// patch by Herman Kuster 
763    bkpinfo->differential = 0;
764// patch end
765    bkpinfo->compression_level = 3;
766}
767
768
769
770
771/**
772 * Get the remaining free space (in MB) on @p partition.
773 * @param partition The partition to check free space on (either a device or a mountpoint).
774 * @return The free space on @p partition, in MB.
775 */
776long free_space_on_given_partition(char *partition)
777{
778    char *command, *out_sz;
779    long res;
780
781    assert_string_is_neither_NULL_nor_zerolength(partition);
782
783    asprintf(&command, "df -m -P %s &> /dev/null", partition);
784    if (system(command)) {
785        return (-1);
786    }                           // partition does not exist
787    paranoid_free(command);
788
789    asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
790             partition);
791    asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
792    paranoid_free(command);
793    if (strlen(out_sz) == 0) {
794        return (-1);
795    }                           // error within df, probably
796    res = atol(out_sz);
797    paranoid_free(out_sz);
798    return (res);
799}
800
801
802
803/**
804 * Check the user's system for sanity. Checks performed:
805 * - make sure user has enough RAM (32mb required, 64mb recommended)
806 * - make sure user has enough free space in @c /
807 * - check kernel for ramdisk support
808 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
809 * - make sure CD-ROM is unmounted
810 * - make sure /etc/modules.conf exists
811 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
812 *
813 * @return number of problems with the user's setup (0 for success)
814 */
815int some_basic_system_sanity_checks()
816{
817
818    /*@ buffers ************ */
819    char *tmp;
820
821    /*@ int's *************** */
822    int retval = 0;
823    long Lres;
824
825
826    mvaddstr_and_log_it(g_currentY, 0,
827                        "Checking sanity of your Linux distribution");
828#ifndef __FreeBSD__
829    if (system("which mkfs.vfat &> /dev/null")
830        && !system("which mkfs.msdos &> /dev/null")) {
831        log_it
832            ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
833        run_program_and_log_output
834            ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
835    }
836    asprintf(&tmp,
837             call_program_and_get_last_line_of_output
838             ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
839    if (atol(tmp) < 35000) {
840        retval++;
841        log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
842    }
843    if (atol(tmp) < 66000) {
844        log_to_screen
845            (_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
846    }
847    paranoid_free(tmp);
848#endif
849
850    if ((Lres = free_space_on_given_partition("/root")) == -1) {
851        Lres = free_space_on_given_partition("/");
852    }
853    log_it("Free space on given partition = %ld MB", Lres);
854
855    if (Lres < 50) {
856        run_program_and_log_output
857            ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
858             3);
859        //      fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
860    }
861
862    if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
863        retval++;
864        log_to_screen
865            ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
866        fatal_error
867            ("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. :)");
868    }
869#ifndef __FreeBSD__
870    if (run_program_and_log_output
871        ("grep ramdisk /proc/devices", FALSE)) {
872        if (!ask_me_yes_or_no
873            (_("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?")))
874        {
875            //          retval++;
876            log_to_screen
877                (_("It looks as if your kernel lacks ramdisk and initrd support."));
878            log_to_screen
879                (_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
880        }
881    }
882#endif
883    retval += whine_if_not_found(MKE2FS_OR_NEWFS);
884    retval += whine_if_not_found("mkisofs");
885    if (system("which dvdrecord > /dev/null 2> /dev/null")) {
886        retval += whine_if_not_found("cdrecord");
887    }
888    retval += whine_if_not_found("bzip2");
889    retval += whine_if_not_found("awk");
890    retval += whine_if_not_found("md5sum");
891    retval += whine_if_not_found("strings");
892    retval += whine_if_not_found("mindi");
893    retval += whine_if_not_found("buffer");
894
895    // abort if Windows partition but no ms-sys and parted
896    if (!run_program_and_log_output
897        ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
898        ||
899        !run_program_and_log_output
900        ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
901        log_to_screen(_("I think you have a Windows 9x partition."));
902        retval += whine_if_not_found("parted");
903#ifndef __IA64__
904        /* IA64 always has one vfat partition for EFI even without Windows */
905        // retval +=
906        if (!find_home_of_exe("ms-sys")) {
907            log_to_screen(_("Please install ms-sys just in case."));
908        }
909#endif
910    }
911
912    if (!find_home_of_exe("cmp")) {
913        if (!find_home_of_exe("true")) {
914            whine_if_not_found("cmp");
915        } else {
916            log_to_screen
917                (_("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you."));
918            if (run_program_and_log_output
919                ("cp -f `which true` /usr/bin/cmp", 0)) {
920                fatal_error("Failed to create dummy 'cmp' file.");
921            }
922        }
923    }
924    run_program_and_log_output
925        ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
926    asprintf(&tmp,
927             call_program_and_get_last_line_of_output
928             ("mount | grep -E \"cdr(om|w)\""));
929    if (strcmp("", tmp)) {
930        if (strstr(tmp, "autofs")) {
931            log_to_screen
932                (_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
933            log_to_screen
934                (_("if a CD actually is inserted. If a CD is inserted, please"));
935            log_to_screen(_("eject it. Thank you."));
936            log_it
937                ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
938        } else
939            if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
940            retval++;
941            fatal_error
942                ("Your CD-ROM drive is mounted. Please unmount it.");
943        }
944    }
945    paranoid_free(tmp);
946#ifndef __FreeBSD__
947    if (!does_file_exist("/etc/modules.conf")) {
948        if (does_file_exist("/etc/conf.modules")) {
949            log_it("Linking /etc/modules.conf to /etc/conf.modules");
950            run_program_and_log_output
951                ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
952        } else if (does_file_exist("/etc/modprobe.d")) {
953            log_it
954                ("Directory /etc/modprobe.d found. mindi will use its contents.");
955        } else if (does_file_exist("/etc/modprobe.conf")) {
956            log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
957            run_program_and_log_output
958                ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
959        } else {
960            retval++;
961            log_to_screen
962                (_("Please find out what happened to /etc/modules.conf"));
963        }
964    }
965#endif
966
967    run_program_and_log_output("cat /etc/fstab", 5);
968#ifdef __FreeBSD__
969    run_program_and_log_output("vinum printconfig", 5);
970#else
971    run_program_and_log_output("cat /etc/raidtab", 5);
972#endif
973
974    if (run_program_and_log_output("mindi -V", 1)) {
975        log_to_screen(_("Could not ascertain mindi's version number."));
976        log_to_screen
977            (_("You have not installed Mondo and/or Mindi properly."));
978        log_to_screen(_("Please uninstall and reinstall them both."));
979        fatal_error("Please reinstall Mondo and Mindi.");
980    }
981    if (run_program_and_log_output
982        ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
983        log_to_screen
984            (_("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason."));
985        log_to_screen
986            (_("Please run that command by hand and examine /var/log/mindi.log"));
987        log_to_screen
988            (_("for more information. Perhaps your /etc/fstab file is insane."));
989        log_to_screen
990            (_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
991        retval++;
992    }
993
994    if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
995        && !does_file_exist("/etc/raidtab")) {
996        log_to_screen
997            (_("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat"));
998        create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
999    }
1000
1001    if (retval) {
1002        mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
1003    } else {
1004        mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
1005    }
1006    return (retval);
1007}
1008
1009/**
1010 * Retrieve the line containing @p label from the config file.
1011 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1012 * @param label What to read from the file.
1013 * @param value Where to put it.
1014 * @return 0 for success, 1 for failure.
1015 */
1016int read_cfg_var(char *config_file, char *label, char *value)
1017{
1018    /*@ buffer ****************************************************** */
1019    char *command;
1020    char *tmp;
1021
1022    /*@ end vars *************************************************** */
1023
1024    assert_string_is_neither_NULL_nor_zerolength(config_file);
1025    assert_string_is_neither_NULL_nor_zerolength(label);
1026    if (!does_file_exist(config_file)) {
1027        asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1028                 config_file);
1029        log_to_screen(tmp);
1030        paranoid_free(tmp);
1031        value[0] = '\0';
1032        return (1);
1033    } else if (strstr(value, "/dev/") && strstr(value, "t0")
1034               && !strcmp(label, "media-dev")) {
1035        log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1036                label, value);
1037        return (0);
1038    } else {
1039        asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1040                label, config_file);
1041        strcpy(value, call_program_and_get_last_line_of_output(command));
1042        paranoid_free(command);
1043        if (strlen(value) == 0) {
1044            return (1);
1045        } else {
1046            return (0);
1047        }
1048    }
1049}
1050
1051
1052
1053/**
1054 * Remount @c supermount if it was unmounted earlier.
1055 */
1056void remount_supermounts_if_necessary()
1057{
1058    if (g_remount_cdrom_at_end) {
1059        run_program_and_log_output("mount " MNT_CDROM, FALSE);
1060    }
1061    if (g_remount_floppy_at_end) {
1062        run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1063    }
1064}
1065
1066/**
1067 * Unmount @c supermount if it's mounted.
1068 */
1069void unmount_supermounts_if_necessary()
1070{
1071    if (run_program_and_log_output
1072        ("mount | grep cdrom | grep super", FALSE) == 0) {
1073        g_remount_cdrom_at_end = TRUE;
1074        run_program_and_log_output("umount " MNT_CDROM, FALSE);
1075    }
1076    if (run_program_and_log_output
1077        ("mount | grep floppy | grep super", FALSE) == 0) {
1078        g_remount_floppy_at_end = TRUE;
1079        run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1080    }
1081}
1082
1083/**
1084 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1085 */
1086void mount_boot_if_necessary()
1087{
1088    char *tmp;
1089    char *tmp1;
1090    char *command;
1091
1092    log_msg(1, "Started sub");
1093    log_msg(4, "About to set g_boot_mountpt to \"\"");
1094    asprintf(&g_boot_mountpt, "");
1095    log_msg(4, "Done. Great. Seeting command to something");
1096    asprintf(&command,
1097             "grep -v \":\" /etc/fstab | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1098    log_msg(4, "Cool. Command = '%s'", command);
1099    asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1100    paranoid_free(command);
1101
1102    log_msg(4, "tmp = '%s'", tmp);
1103    if (tmp[0]) {
1104        log_it("/boot is at %s according to /etc/fstab", tmp);
1105        if (strstr(tmp, "LABEL=")) {
1106            if (!run_program_and_log_output("mount /boot", 5)) {
1107                paranoid_free(g_boot_mountpt);
1108                asprintf(&g_boot_mountpt, "/boot");
1109                log_msg(1, "Mounted /boot");
1110            } else {
1111                log_it("...ignored cos it's a label :-)");
1112            }
1113        } else {
1114            asprintf(&command, "mount | grep -w \"%s\"", tmp);
1115            log_msg(3, "command = %s", command);
1116            if (run_program_and_log_output(command, 5)) {
1117                paranoid_free(g_boot_mountpt);
1118                asprintf(&g_boot_mountpt, tmp);
1119                asprintf(&tmp1,
1120                         "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1121                         g_boot_mountpt);
1122                log_it(tmp1);
1123                paranoid_free(tmp1);
1124
1125                asprintf(&tmp1, "mount %s", g_boot_mountpt);
1126                if (run_program_and_log_output(tmp1, 5)) {
1127                    paranoid_free(g_boot_mountpt);
1128                    asprintf(&g_boot_mountpt, " ");
1129                    log_msg(1, "Plan B");
1130                    if (!run_program_and_log_output("mount /boot", 5)) {
1131                        paranoid_free(g_boot_mountpt);
1132                        asprintf(&g_boot_mountpt, "/boot");
1133                        log_msg(1, "Plan B worked");
1134                    } else {
1135                        log_msg(1,
1136                                "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1137                    }
1138                }
1139                paranoid_free(tmp1);
1140            }
1141            paranoid_free(command);
1142        }
1143    }
1144    paranoid_free(tmp);
1145    log_msg(1, "Ended sub");
1146}
1147
1148
1149/**
1150 * If we mounted /boot earlier, unmount it.
1151 */
1152void unmount_boot_if_necessary()
1153{
1154    char *tmp;
1155
1156    log_msg(3, "starting");
1157    if (g_boot_mountpt[0]) {
1158        asprintf(&tmp, "umount %s", g_boot_mountpt);
1159        if (run_program_and_log_output(tmp, 5)) {
1160            log_it("WARNING - unable to unmount /boot");
1161        }
1162        paranoid_free(tmp);
1163    }
1164    log_msg(3, "leaving");
1165}
1166
1167
1168
1169/**
1170 * Write a line to a configuration file. Writes a line of the form,
1171 * @c label @c value.
1172 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1173 * @param label What to call this bit of data you're writing.
1174 * @param value The bit of data you're writing.
1175 * @return 0 for success, 1 for failure.
1176 */
1177int write_cfg_var(char *config_file, char *label, char *value)
1178{
1179    /*@ buffers ***************************************************** */
1180    char *command;
1181    char *tempfile;
1182    char *tmp;
1183
1184
1185    /*@ end vars *************************************************** */
1186    assert_string_is_neither_NULL_nor_zerolength(config_file);
1187    assert_string_is_neither_NULL_nor_zerolength(label);
1188    assert(value != NULL);
1189
1190    if (!does_file_exist(config_file)) {
1191        asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1192                 config_file);
1193        log_to_screen(tmp);
1194        paranoid_free(tmp);
1195        return (1);
1196    }
1197    asprintf(&tempfile,
1198             call_program_and_get_last_line_of_output
1199             ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1200    if (does_file_exist(config_file)) {
1201        asprintf(&command, "grep -vx '%s .*' %s > %s",
1202                label, config_file, tempfile);
1203        paranoid_system(command);
1204        paranoid_free(command);
1205    }
1206    asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1207    paranoid_system(command);
1208    paranoid_free(command);
1209
1210    asprintf(&command, "mv -f %s %s", tempfile, config_file);
1211    paranoid_system(command);
1212    paranoid_free(command);
1213    unlink(tempfile);
1214    paranoid_free(tempfile);
1215    return (0);
1216}
1217
1218
1219/**
1220 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1221 * information to the logfile.
1222 */
1223void standard_log_debug_msg(int debug_level, const char *szFile,
1224                            const char *szFunction, int nLine,
1225                            const char *fmt, ...)
1226{
1227    va_list args;
1228    int i;
1229    static int depth = 0;
1230    FILE *fout;
1231
1232    if (depth > 5) {
1233        depth--;
1234        return;
1235    }
1236    depth++;
1237
1238    if (debug_level <= g_loglevel) {
1239        va_start(args, fmt);
1240        if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1241            return;
1242        }                       // fatal_error("Failed to openout to logfile - sheesh..."); }
1243
1244        // add tabs to distinguish log levels
1245        if (debug_level > 0) {
1246            for (i = 1; i < debug_level; i++)
1247                fprintf(fout, "\t");
1248            if (getpid() == g_main_pid)
1249                fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1250                        nLine);
1251            else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1252                fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1253                        nLine);
1254            else
1255                fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1256                        szFunction, nLine);
1257        }
1258        vfprintf(fout, fmt, args);
1259
1260        // do not slow down the progran if standard debug level
1261        // must be enabled: if no flush, the log won't be up-to-date if there
1262        // is a segfault
1263        //if (g_dwDebugLevel != 1)
1264
1265        va_end(args);
1266        fprintf(fout, "\n");
1267        paranoid_fclose(fout);
1268    }
1269    depth--;
1270}
1271
1272/**
1273 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1274 */
1275void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1276                       ...) = standard_log_debug_msg;
1277
1278
1279/**
1280 * Allocate or free important globals, depending on @p mal.
1281 * @param mal If TRUE, malloc; if FALSE, free.
1282 */
1283void do_libmondo_global_strings_thing(int mal)
1284{
1285    if (mal) {
1286        iamhere("Malloc'ing globals");
1287        malloc_string(g_erase_tmpdir_and_scratchdir);
1288        malloc_string(g_serial_string);
1289        malloc_string(g_magicdev_command);
1290    } else {
1291        iamhere("Freeing globals");
1292        paranoid_free(g_boot_mountpt);
1293        paranoid_free(g_mondo_home);
1294        paranoid_free(g_tmpfs_mountpt);
1295        paranoid_free(g_erase_tmpdir_and_scratchdir);
1296        paranoid_free(g_serial_string);
1297        paranoid_free(g_magicdev_command);
1298    }
1299}
1300
1301/**
1302 * Allocate important globals.
1303 * @see do_libmondo_global_strings_thing
1304 */
1305void malloc_libmondo_global_strings(void)
1306{
1307    do_libmondo_global_strings_thing(1);
1308}
1309
1310/**
1311 * Free important globals.
1312 * @see do_libmondo_global_strings_thing
1313 */
1314void free_libmondo_global_strings(void)
1315{
1316    do_libmondo_global_strings_thing(0);
1317}
1318
1319
1320
1321/**
1322 * Stop @c magicdev if it's running.
1323 * The command used to start it is saved in @p g_magicdev_command.
1324 */
1325void stop_magicdev_if_necessary()
1326{
1327    strcpy(g_magicdev_command,
1328           call_program_and_get_last_line_of_output
1329           ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1330    if (g_magicdev_command[0]) {
1331        log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1332        paranoid_system("killall magicdev");
1333    }
1334}
1335
1336
1337/**
1338 * Restart magicdev if it was stopped.
1339 */
1340void restart_magicdev_if_necessary()
1341{
1342    char *tmp;
1343
1344    if (g_magicdev_command && g_magicdev_command[0]) {
1345        asprintf(&tmp, "%s &", g_magicdev_command);
1346        paranoid_system(tmp);
1347        paranoid_free(tmp);
1348    }
1349}
1350
1351/* @} - end of utilityGroup */
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