source: trunk/mondo/mondo/common/libmondo-tools.c @ 426

Last change on this file since 426 was 426, checked in by bcornec, 14 years ago

merge -r421:425 $SVN_M/branches/stable

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1/* $Id: libmondo-tools.c 426 2006-02-23 15:09:24Z 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 "lib-common-externs.h"
13#include "libmondo-tools.h"
14#include "libmondo-gui-EXT.h"
15#include "libmondo-files-EXT.h"
16#include "libmondo-fork-EXT.h"
17#include "libmondo-raid-EXT.h"
18#include <sys/socket.h>
19#include <netdb.h>
20#include <netinet/in.h>
21#ifndef S_SPLINT_S
22#include <arpa/inet.h>
23#endif
24
25/*@unused@*/
26//static char cvsid[] = "$Id: libmondo-tools.c 426 2006-02-23 15:09:24Z bcornec $";
27
28extern int g_tape_buffer_size_MB;
29extern char *g_erase_tmpdir_and_scratchdir;
30extern char *g_serial_string;
31extern bool g_text_mode;
32extern int g_currentY;
33extern int g_current_media_number;
34
35/**
36 * @addtogroup globalGroup
37 * @{
38 */
39bool g_remount_cdrom_at_end,    ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
40 g_remount_floppy_at_end;       ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
41bool g_cd_recovery;             ///< TRUE if we're making an "autonuke" backup.
42double g_kernel_version;
43
44/**
45 * The place where /boot is mounted. - Used locally only
46 */
47static char *g_boot_mountpt = NULL;
48
49/**
50 * The location of Mondo's home directory.
51 */
52char *g_mondo_home = NULL;
53
54/**
55 * The serial string (used to differentiate between backups) of the current backup.
56 */
57char *g_serial_string = NULL;
58
59/**
60 * The location where tmpfs is mounted, or "" if it's not mounted.
61 */
62char *g_tmpfs_mountpt = NULL;
63char *g_magicdev_command = NULL;
64
65/**
66 * The default maximum level to log messages at or below.
67 */
68int g_loglevel = DEFAULT_DEBUG_LEVEL;
69
70/* @} - end of globalGroup */
71
72
73extern pid_t g_buffer_pid;
74extern pid_t g_main_pid;
75
76extern t_bkptype g_backup_media_type;
77
78extern bool am_I_in_disaster_recovery_mode(void);
79
80
81/**
82 * @addtogroup utilityGroup
83 * @{
84 */
85/**
86 * Assertion handler. Prints a friendly message to the user,
87 * offering to ignore all, dump core, break to debugger,
88 * exit, or ignore. Intended to be used with an assert() macro.
89 *
90 * @param file The file in which the assertion triggered.
91 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
92 * @param line The line number of the assert() statement.
93 * @param exp The expression that failed (as a string).
94 */
95void _mondo_assert_fail(const char *file,
96                        const char *function, int line, const char *exp)
97{
98    static int ignoring_assertions = 0;
99    bool is_valid = TRUE;
100
101    log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
102           function);
103    if (ignoring_assertions) {
104        log_it("Well, the user doesn't care...");
105        return;
106    }
107#ifndef _XWIN
108    if (!g_text_mode)
109        newtSuspend();
110#endif
111    printf("ASSERTION FAILED: `%s'\n", exp);
112    printf("\tat %s:%d in %s\n\n", file, line, function);
113    printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
114    do {
115        is_valid = TRUE;
116        switch (toupper(getchar())) {
117        case 'A':               // ignore (A)ll
118            ignoring_assertions = 1;
119            break;
120        case 'B':               // a(B)ort
121            signal(SIGABRT, SIG_DFL);   /* prevent SIGABRT handler from running */
122            raise(SIGABRT);
123            break;              /* "can't get here" */
124        case 'D':               // (D)ebug, aka asm("int 3")
125#ifdef __IA32__
126            __asm__ __volatile__("int $3"); // break to debugger
127#endif
128            break;
129        case 'E':               // (E)xit
130            fatal_error("Failed assertion -- see above for details");
131            break;              /* "can't get here" */
132        case 'I':               // (I)gnore
133            break;
134            /* These next two work as follows:
135               the `default' catches the user's invalid choice and says so;
136               the '\n' catches the newline on the end and prints the prompt again.
137             */
138        case '\n':
139            printf
140                ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
141            break;
142        default:
143            is_valid = FALSE;
144            printf("Invalid choice.\n");
145            break;
146        }
147    } while (!is_valid);
148
149    if (ignoring_assertions) {
150        log_it("Ignoring ALL assertions from now on.");
151    } else {
152        log_it("Ignoring assertion: %s", exp);
153    }
154
155    getchar();                  // skip \n
156
157#ifndef _XWIN
158    if (!g_text_mode)
159        newtResume();
160#endif
161}
162
163/**
164 * Clean's up users' KDE desktops.
165 * @bug Details about this function are unknown.
166 */
167void clean_up_KDE_desktop_if_necessary(void)
168{
169    char *tmp;
170
171    asprintf(&tmp,
172             "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
173file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
174awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
175else { print $0;};}' $file.old  > $file ; fi ; done");
176    run_program_and_log_output(tmp, 5);
177    paranoid_free(tmp);
178}
179
180
181/**
182 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
183 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
184 *
185 * @param home_sz String to store the home directory ("" if it could not be found).
186 * @return 0 for success, nonzero for failure.
187 */
188char *find_and_store_mondoarchives_home()
189{
190    char *home_sz = NULL;
191
192    asprintf(&home_sz, MONDO_SHARE);
193    return (home_sz);
194}
195
196
197char *get_architecture()
198{
199#ifdef __IA32__
200    return ("i386");
201#endif
202#ifdef __X86_64__
203    return ("x86-64");
204#endif
205#ifdef __IA64__
206    return ("ia64");
207#endif
208    return ("unknown");
209}
210
211
212
213double get_kernel_version()
214{
215    char *p, *tmp;
216    double d;
217#ifdef __FreeBSD__
218    // JOSH - FIXME :)
219    d = 5.2;                    // :-)
220#else
221    asprintf(&tmp, call_program_and_get_last_line_of_output("uname -r"));
222    p = strchr(tmp, '.');
223    if (p) {
224        p = strchr(++p, '.');
225        if (p) {
226            while (*p) {
227                *p = *(p + 1);
228                p++;
229            }
230        }
231    }
232//  log_msg(1, "tmp = '%s'", tmp);
233    d = atof(tmp);
234#endif
235    log_msg(1, "g_kernel_version = %f", d);
236    return (d);
237}
238
239
240
241
242
243/**
244 * Get the current time.
245 * @return number of seconds since the epoch.
246 */
247long get_time()
248{
249    return (long) time((void *) 0);
250}
251
252
253
254
255
256
257
258/**
259 * Initialize a RAID volume structure, setting fields to zero. The
260 * actual hard drive is unaffected.
261 *
262 * @param raidrec The RAID volume structure to initialize.
263 * @note This function is system dependent.
264 */
265#ifdef __FreeBSD__
266void initialize_raidrec(struct vinum_volume *raidrec)
267{
268    int i, j;
269    raidrec->volname[0] = '\0';
270    raidrec->plexes = 0;
271    for (i = 0; i < 9; ++i) {
272        raidrec->plex[i].raidlevel = -1;
273        raidrec->plex[i].stripesize = 0;
274        raidrec->plex[i].subdisks = 0;
275        for (j = 0; j < 9; ++j) {
276            strcpy(raidrec->plex[i].sd[j].which_device, "");
277        }
278    }
279}
280#else
281void initialize_raidrec(struct raid_device_record *raidrec)
282{
283    assert(raidrec != NULL);
284    raidrec->raid_device[0] = '\0';
285    raidrec->raid_level = 0;
286    raidrec->chunk_size = 4;
287    raidrec->persistent_superblock = 1;
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;
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__
307    system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
308    system("kldstat | grep ext2fs  || kldload ext2fs 2> /dev/null");
309#else
310    system("modprobe -a dos fat vfat loop &> /dev/null");
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
326 * - Used: @c bkpinfo->prefix
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 */
346int post_param_configuration(struct s_bkpinfo *bkpinfo)
347{
348    char *extra_cdrom_params = NULL;
349    char *mondo_mkisofs_sz = NULL;
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;
357    char *tmp1;
358    char call_before_iso_user[MAX_STR_LEN] = "\0";
359    int rdsiz_MB;
360    char *iso_path;
361
362    assert(bkpinfo != NULL);
363    bkpinfo->optimal_set_size =
364        (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
365        1024;
366
367    log_msg(1, "Foo");
368    if (bkpinfo->backup_media_type == tape) {
369        log_msg(1, "Bar");
370        asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
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        }
376        paranoid_free(tmp);
377    }
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);
382
383    run_program_and_log_output("uname -a", 5);
384    run_program_and_log_output("cat /etc/*issue*", 5);
385    asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
386    asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
387    paranoid_system(command);
388    paranoid_free(command);
389    rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
390#ifdef __FreeBSD__
391    asprintf(&tmp,
392             call_program_and_get_last_line_of_output
393             ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
394    avm += atol(tmp);
395    paranoid_free(tmp);
396    asprintf(&tmp,
397             call_program_and_get_last_line_of_output
398             ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
399    avm += atol(tmp);
400    paranoid_free(tmp);
401    asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
402             g_tmpfs_mountpt);
403#else
404    asprintf(&tmp,
405             call_program_and_get_last_line_of_output
406             ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
407    avm += atol(tmp);
408    paranoid_free(tmp);
409    asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
410             g_tmpfs_mountpt, rdsiz_MB, 'm');
411    run_program_and_log_output("cat /proc/cpuinfo", 5);
412    /* BERLIOS: rpm is not necessarily there ! */
413    run_program_and_log_output
414        ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
415         5);
416#endif
417    if (avm / 1024 > rdsiz_MB * 3) {
418        if (run_program_and_log_output(command, 5)) {
419            g_tmpfs_mountpt[0] = '\0';
420            log_it("Failed to mount tmpfs");
421        } else {
422            log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
423        }
424    } else {
425        g_tmpfs_mountpt[0] = '\0';
426        log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
427    }
428    paranoid_free(command);
429
430    if (bkpinfo->use_lzo) {
431        strcpy(bkpinfo->zip_exe, "lzop");
432        strcpy(bkpinfo->zip_suffix, "lzo");
433    } else if (bkpinfo->compression_level != 0) {
434        strcpy(bkpinfo->zip_exe, "bzip2");
435        strcpy(bkpinfo->zip_suffix, "bz2");
436    } else {
437        bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
438    }
439
440// DVD
441
442    if (bkpinfo->backup_media_type == dvd) {
443        if (!(find_home_of_exe("growisofs"))) {
444            fatal_error("Please install growisofs.");
445        }
446        if (bkpinfo->nonbootable_backup) {
447            asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
448        } else if
449#ifdef __FreeBSD__
450            (TRUE)
451#else
452            (bkpinfo->make_cd_use_lilo)
453#endif
454#ifdef __IA64__
455    {
456        asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
457    }
458#else
459    {
460        asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
461    }
462#endif
463        else
464        {
465            asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
466        }
467        if (bkpinfo->manual_cd_tray) {
468            fatal_error("Manual CD tray + DVD not supported yet.");
469            // -m isn't supported by growisofs, BTW...
470        } else {
471            sprintf(bkpinfo->call_make_iso,
472                    "%s %s -Z %s . 2>> _ERR_",
473                    mondo_mkisofs_sz, "", bkpinfo->media_device);
474        }
475        paranoid_free(mondo_mkisofs_sz);
476
477        if (getenv("SUDO_COMMAND")) {
478            fatal_error
479                ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
480        }
481        log_msg(2, "call_make_iso (DVD res) is ... %s",
482                bkpinfo->call_make_iso);
483    }                           // end of DVD code
484
485// CD-R or CD-RW
486    if (bkpinfo->backup_media_type == cdrw
487        || bkpinfo->backup_media_type == cdr) {
488        if (!bkpinfo->manual_cd_tray) {
489            asprintf(&extra_cdrom_params, "-waiti ");
490        }
491        if (bkpinfo->backup_media_type == cdrw) {
492            if (extra_cdrom_params != NULL) {
493                asprintf(&tmp, extra_cdrom_params);
494                paranoid_free(extra_cdrom_params);
495                asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
496            } else {
497                asprintf(&extra_cdrom_params, "blank=fast ");
498            }
499        }
500        if (find_home_of_exe("cdrecord")) {
501            asprintf(&cdr_exe, "cdrecord");
502        } else if (find_home_of_exe("dvdrecord")) {
503            asprintf(&cdr_exe, "dvdrecord");
504        } else {
505            fatal_error("Please install either cdrecord or dvdrecord.");
506        }
507        if (bkpinfo->nonbootable_backup) {
508            asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
509        } else if
510#ifdef __FreeBSD__
511            (TRUE)
512#else
513            (bkpinfo->make_cd_use_lilo)
514#endif
515#ifdef __IA64__
516    {
517        asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
518    }
519#else
520    {
521        asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
522    }
523#endif
524        else
525        {
526            asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
527        }
528        if (bkpinfo->manual_cd_tray) {
529            if (bkpinfo->call_before_iso[0] == '\0') {
530            sprintf(bkpinfo->call_before_iso,
531                        "%s -o %s/temporary.iso . 2>> _ERR_",
532                        mondo_mkisofs_sz, bkpinfo->tmpdir);
533                } else {
534                strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
535                sprintf (bkpinfo->call_before_iso,
536                                    "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
537                        mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
538            }
539            log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
540            sprintf(bkpinfo->call_make_iso,
541                    "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
542                    cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
543                    extra_cdrom_params, bkpinfo->media_device,
544                    bkpinfo->cdrw_speed, bkpinfo->tmpdir);
545        } else {
546            sprintf(bkpinfo->call_make_iso,
547                    "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
548                    mondo_mkisofs_sz, cdr_exe,
549                    (bkpinfo->please_dont_eject) ? " " : "-eject",
550                    extra_cdrom_params, bkpinfo->media_device,
551                    bkpinfo->cdrw_speed);
552        }
553        paranoid_free(mondo_mkisofs_sz);
554        paranoid_free(cdr_exe);
555        paranoid_free(extra_cdrom_params);
556    }                           // end of CD code
557
558    if (bkpinfo->backup_media_type == iso) {
559
560/* Patch by Conor Daly <conor.daly@met.ie>
561 * 23-june-2004
562 * Break up isodir into iso_mnt and iso_path
563 * These will be used along with iso-dev at restore time
564 * to locate the ISOs where ever they're mounted
565 */
566
567        log_it("isodir = %s", bkpinfo->isodir);
568        asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
569                 bkpinfo->isodir);
570        log_it("command = %s", command);
571        asprintf(&tmp, call_program_and_get_last_line_of_output(command));
572        paranoid_free(command);
573        log_it("res of it = %s", tmp);
574        asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
575        write_one_liner_data_file(tmp1, tmp);
576        paranoid_free(tmp1);
577
578        asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
579                 tmp);
580        paranoid_free(tmp);
581        log_it("command = %s", command);
582        asprintf(&tmp, call_program_and_get_last_line_of_output(command));
583        paranoid_free(command);
584        log_it("res of it = %s", tmp);
585
586        asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
587        write_one_liner_data_file(tmp1, tmp);
588        paranoid_free(tmp1);
589
590        log_it("isomnt: %s, %d", tmp, strlen(tmp));
591        if (strlen(bkpinfo->isodir) < strlen(tmp)) {
592            asprintf(&iso_path, " ");
593        } else {
594            asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
595        }
596        paranoid_free(tmp);
597
598        asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
599        write_one_liner_data_file(tmp, iso_path);
600        paranoid_free(tmp);
601        log_it("isodir: %s", iso_path);
602        paranoid_free(iso_path);
603        asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
604        write_one_liner_data_file(tmp, bkpinfo->prefix);
605        log_it("iso-prefix: %s",  bkpinfo->prefix);
606        paranoid_free(tmp);
607/* End patch */
608    }                           // end of iso code
609
610    if (bkpinfo->backup_media_type == nfs) {
611        asprintf(&hostname, bkpinfo->nfs_mount);
612        colon = strchr(hostname, ':');
613        if (!colon) {
614            log_it("nfs mount doesn't have a colon in it");
615            retval++;
616        } else {
617            struct hostent *hent;
618
619            *colon = '\0';
620            hent = gethostbyname(hostname);
621            if (!hent) {
622                log_it("Can't resolve NFS mount (%s): %s", hostname,
623                       hstrerror(h_errno));
624                retval++;
625            } else {
626                asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
627                                                        *((struct in_addr
628                                                           *) hent->
629                                                          h_addr)),
630                         strchr(bkpinfo->nfs_mount, ':'));
631                strcpy(bkpinfo->nfs_mount, ip_address);
632                paranoid_free(ip_address);
633            }
634        }
635        store_nfs_config(bkpinfo);
636        paranoid_free(hostname);
637    }
638
639    log_it("Finished processing incoming params");
640    if (retval) {
641        fprintf(stderr, "Type 'man mondoarchive' for help.\n");
642    }
643    asprintf(&tmp, "%s", MONDO_TMPISOS);
644    if (does_file_exist(tmp)) {
645        unlink(tmp);
646    }
647    paranoid_free(tmp);
648
649    if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
650        log_it("tmpdir or scratchdir are blank/missing");
651        retval++;
652    }
653    if (bkpinfo->include_paths[0] == '\0') {
654        //      fatal_error ("Why no backup path?");
655        strcpy(bkpinfo->include_paths, "/");
656    }
657    chmod(bkpinfo->scratchdir, 0700);
658    chmod(bkpinfo->tmpdir, 0700);
659    g_backup_media_type = bkpinfo->backup_media_type;
660    return (retval);
661}
662
663
664
665/**
666 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
667 * Seeds the random-number generator, loads important modules, checks the sanity
668 * of the user's Linux distribution, and deletes logfile.
669 * @param bkpinfo The backup information structure. Will be initialized.
670 * @return number of errors (0 for success)
671 */
672int pre_param_configuration(struct s_bkpinfo *bkpinfo)
673{
674    int res = 0;
675
676    make_hole_for_dir(MNT_CDROM);
677    assert(bkpinfo != NULL);
678    srandom((unsigned long) (time(NULL)));
679    insmod_crucial_modules();
680    reset_bkpinfo(bkpinfo);     // also sets defaults ('/'=backup path, 3=compression level)
681    if (bkpinfo->disaster_recovery) {
682        if (!does_nonMS_partition_exist()) {
683            fatal_error
684                ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
685        }
686    }
687
688    unlink(MONDO_TRACEFILE);
689    run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
690    if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
691        fprintf(stderr,
692                "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");
693        res++;
694        return (res);
695    }
696    res += some_basic_system_sanity_checks();
697    if (res) {
698        log_it("Your distribution did not pass Mondo's sanity test.");
699    }
700    g_current_media_number = 1;
701    bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
702    return (res);
703}
704
705
706
707
708/**
709 * Reset all fields of the backup information structure to a sensible default.
710 * @param bkpinfo The @c bkpinfo to reset.
711 */
712void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
713{
714    int i;
715
716    log_msg(1, "Hi");
717    assert(bkpinfo != NULL);
718    memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
719    bkpinfo->manual_cd_tray = FALSE;
720    bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
721    paranoid_free(bkpinfo->media_device);
722    for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
723        bkpinfo->media_size[i] = -1;
724    }
725    bkpinfo->boot_loader = '\0';
726    bkpinfo->boot_device[0] = '\0';
727    bkpinfo->zip_exe[0] = '\0';
728    bkpinfo->zip_suffix[0] = '\0';
729    bkpinfo->restore_path[0] = '\0';
730    bkpinfo->use_lzo = FALSE;
731    bkpinfo->do_not_compress_these[0] = '\0';
732    bkpinfo->verify_data = FALSE;
733    bkpinfo->backup_data = FALSE;
734    bkpinfo->restore_data = FALSE;
735    bkpinfo->disaster_recovery =
736        (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
737    if (bkpinfo->disaster_recovery) {
738        strcpy(bkpinfo->isodir, "/");
739    } else {
740        strcpy(bkpinfo->isodir, "/root/images/mondo");
741    }
742    strcpy(bkpinfo->prefix, STD_PREFIX);
743
744    bkpinfo->scratchdir[0] = '\0';
745    bkpinfo->make_filelist = TRUE;  // unless -J supplied to mondoarchive
746    sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768));  // for mondorestore
747    bkpinfo->optimal_set_size = 0;
748    bkpinfo->backup_media_type = none;
749    strcpy(bkpinfo->include_paths, "/");
750    bkpinfo->exclude_paths[0] = '\0';
751    bkpinfo->call_before_iso[0] = '\0';
752    bkpinfo->call_make_iso[0] = '\0';
753    bkpinfo->call_burn_iso[0] = '\0';
754    bkpinfo->call_after_iso[0] = '\0';
755    bkpinfo->image_devs[0] = '\0';
756    bkpinfo->postnuke_tarball[0] = '\0';
757    bkpinfo->kernel_path[0] = '\0';
758    bkpinfo->nfs_mount[0] = '\0';
759    bkpinfo->nfs_remote_dir[0] = '\0';
760    bkpinfo->wipe_media_first = FALSE;
761    bkpinfo->differential = FALSE;
762    bkpinfo->cdrw_speed = 0;
763// patch by Herman Kuster 
764    bkpinfo->differential = 0;
765// patch end
766    bkpinfo->compression_level = 3;
767}
768
769
770
771
772/**
773 * Get the remaining free space (in MB) on @p partition.
774 * @param partition The partition to check free space on (either a device or a mountpoint).
775 * @return The free space on @p partition, in MB.
776 */
777long free_space_on_given_partition(char *partition)
778{
779    char *command, *out_sz;
780    long res;
781
782    assert_string_is_neither_NULL_nor_zerolength(partition);
783
784    asprintf(&command, "df -m -P %s &> /dev/null", partition);
785    if (system(command)) {
786        return (-1);
787    }                           // partition does not exist
788    paranoid_free(command);
789
790    asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
791             partition);
792    asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
793    paranoid_free(command);
794    if (strlen(out_sz) == 0) {
795        return (-1);
796    }                           // error within df, probably
797    res = atol(out_sz);
798    paranoid_free(out_sz);
799    return (res);
800}
801
802
803
804/**
805 * Check the user's system for sanity. Checks performed:
806 * - make sure user has enough RAM (32mb required, 64mb recommended)
807 * - make sure user has enough free space in @c /
808 * - check kernel for ramdisk support
809 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
810 * - make sure CD-ROM is unmounted
811 * - make sure /etc/modules.conf exists
812 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
813 *
814 * @return number of problems with the user's setup (0 for success)
815 */
816int some_basic_system_sanity_checks()
817{
818
819    /*@ buffers ************ */
820    char *tmp;
821
822    /*@ int's *************** */
823    int retval = 0;
824    long Lres;
825
826
827    mvaddstr_and_log_it(g_currentY, 0,
828                        "Checking sanity of your Linux distribution");
829#ifndef __FreeBSD__
830    if (system("which mkfs.vfat &> /dev/null")
831        && !system("which mkfs.msdos &> /dev/null")) {
832        log_it
833            ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
834        run_program_and_log_output
835            ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
836    }
837    asprintf(&tmp,
838             call_program_and_get_last_line_of_output
839             ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
840    if (atol(tmp) < 35000) {
841        retval++;
842        log_to_screen("You must have at least 32MB of RAM to use Mondo.");
843    }
844    if (atol(tmp) < 66000) {
845        log_to_screen
846            ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
847    }
848    paranoid_free(tmp);
849#endif
850
851    if ((Lres = free_space_on_given_partition("/root")) == -1) {
852        Lres = free_space_on_given_partition("/");
853    }
854    log_it("Free space on given partition = %ld MB", Lres);
855
856    if (Lres < 50) {
857        run_program_and_log_output
858            ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
859             3);
860        //      fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
861    }
862
863    if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
864        retval++;
865        log_to_screen
866            ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
867        fatal_error
868            ("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. :)");
869    }
870#ifndef __FreeBSD__
871    if (run_program_and_log_output
872        ("grep ramdisk /proc/devices", FALSE)) {
873        if (!ask_me_yes_or_no
874            ("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?"))
875        {
876            //          retval++;
877            log_to_screen
878                ("It looks as if your kernel lacks ramdisk and initrd support.");
879            log_to_screen
880                ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
881        }
882    }
883#endif
884    retval += whine_if_not_found(MKE2FS_OR_NEWFS);
885    retval += whine_if_not_found("mkisofs");
886    if (system("which dvdrecord > /dev/null 2> /dev/null")) {
887        retval += whine_if_not_found("cdrecord");
888    }
889    retval += whine_if_not_found("bzip2");
890    retval += whine_if_not_found("awk");
891    retval += whine_if_not_found("md5sum");
892    retval += whine_if_not_found("strings");
893    retval += whine_if_not_found("mindi");
894    retval += whine_if_not_found("buffer");
895
896    // abort if Windows partition but no ms-sys and parted
897    if (!run_program_and_log_output
898        ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
899        ||
900        !run_program_and_log_output
901        ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
902        log_to_screen("I think you have a Windows 9x partition.");
903        retval += whine_if_not_found("parted");
904#ifndef __IA64__
905        /* IA64 always has one vfat partition for EFI even without Windows */
906        // retval +=
907        if (!find_home_of_exe("ms-sys")) {
908            log_to_screen("Please install ms-sys just in case.");
909        }
910#endif
911    }
912
913    if (!find_home_of_exe("cmp")) {
914        if (!find_home_of_exe("true")) {
915            whine_if_not_found("cmp");
916        } else {
917            log_to_screen
918                ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
919            if (run_program_and_log_output
920                ("cp -f `which true` /usr/bin/cmp", 0)) {
921                fatal_error("Failed to create dummy 'cmp' file.");
922            }
923        }
924    }
925    run_program_and_log_output
926        ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
927    asprintf(&tmp,
928             call_program_and_get_last_line_of_output
929             ("mount | grep -E \"cdr(om|w)\""));
930    if (strcmp("", tmp)) {
931        if (strstr(tmp, "autofs")) {
932            log_to_screen
933                ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
934            log_to_screen
935                ("if a CD actually is inserted. If a CD is inserted, please");
936            log_to_screen("eject it. Thank you.");
937            log_it
938                ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
939        } else
940            if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
941            retval++;
942            fatal_error
943                ("Your CD-ROM drive is mounted. Please unmount it.");
944        }
945    }
946    paranoid_free(tmp);
947#ifndef __FreeBSD__
948    if (!does_file_exist("/etc/modules.conf")) {
949        if (does_file_exist("/etc/conf.modules")) {
950            log_it("Linking /etc/modules.conf to /etc/conf.modules");
951            run_program_and_log_output
952                ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
953        } else if (does_file_exist("/etc/modprobe.d")) {
954            log_it
955                ("Directory /etc/modprobe.d found. mindi will use its contents.");
956        } else if (does_file_exist("/etc/modprobe.conf")) {
957            log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
958            run_program_and_log_output
959                ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
960        } else {
961            retval++;
962            log_to_screen
963                ("Please find out what happened to /etc/modules.conf");
964        }
965    }
966#endif
967
968    run_program_and_log_output("cat /etc/fstab", 5);
969#ifdef __FreeBSD__
970    run_program_and_log_output("vinum printconfig", 5);
971#else
972    run_program_and_log_output("cat /etc/raidtab", 5);
973#endif
974
975    if (run_program_and_log_output("mindi -V", 1)) {
976        log_to_screen("Could not ascertain mindi's version number.");
977        log_to_screen
978            ("You have not installed Mondo and/or Mindi properly.");
979        log_to_screen("Please uninstall and reinstall them both.");
980        fatal_error("Please reinstall Mondo and Mindi.");
981    }
982    if (run_program_and_log_output
983        ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
984        log_to_screen
985            ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
986        log_to_screen
987            ("Please run that command by hand and examine /var/log/mindi.log");
988        log_to_screen
989            ("for more information. Perhaps your /etc/fstab file is insane.");
990        log_to_screen
991            ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
992        retval++;
993    }
994
995    if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
996        && !does_file_exist("/etc/raidtab")) {
997        log_to_screen
998            ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
999        create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
1000    }
1001
1002    if (retval) {
1003        mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1004    } else {
1005        mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1006    }
1007    return (retval);
1008}
1009
1010/**
1011 * Retrieve the line containing @p label from the config file.
1012 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1013 * @param label What to read from the file.
1014 * @param value Where to put it.
1015 * @return 0 for success, 1 for failure.
1016 */
1017int read_cfg_var(char *config_file, char *label, char *value)
1018{
1019    /*@ buffer ****************************************************** */
1020    char *command;
1021    char *tmp;
1022
1023    /*@ end vars *************************************************** */
1024
1025    assert_string_is_neither_NULL_nor_zerolength(config_file);
1026    assert_string_is_neither_NULL_nor_zerolength(label);
1027    if (!does_file_exist(config_file)) {
1028        asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1029                 config_file);
1030        log_to_screen(tmp);
1031        paranoid_free(tmp);
1032        value[0] = '\0';
1033        return (1);
1034    } else if (strstr(value, "/dev/") && strstr(value, "t0")
1035               && !strcmp(label, "media-dev")) {
1036        log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1037                label, value);
1038        return (0);
1039    } else {
1040        asprintf(&command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1041                label, config_file);
1042        strcpy(value, call_program_and_get_last_line_of_output(command));
1043        paranoid_free(command);
1044        if (strlen(value) == 0) {
1045            return (1);
1046        } else {
1047            return (0);
1048        }
1049    }
1050}
1051
1052
1053
1054/**
1055 * Remount @c supermount if it was unmounted earlier.
1056 */
1057void remount_supermounts_if_necessary()
1058{
1059    if (g_remount_cdrom_at_end) {
1060        run_program_and_log_output("mount " MNT_CDROM, FALSE);
1061    }
1062    if (g_remount_floppy_at_end) {
1063        run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1064    }
1065}
1066
1067/**
1068 * Unmount @c supermount if it's mounted.
1069 */
1070void unmount_supermounts_if_necessary()
1071{
1072    if (run_program_and_log_output
1073        ("mount | grep cdrom | grep super", FALSE) == 0) {
1074        g_remount_cdrom_at_end = TRUE;
1075        run_program_and_log_output("umount " MNT_CDROM, FALSE);
1076    }
1077    if (run_program_and_log_output
1078        ("mount | grep floppy | grep super", FALSE) == 0) {
1079        g_remount_floppy_at_end = TRUE;
1080        run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1081    }
1082}
1083
1084/**
1085 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1086 */
1087void mount_boot_if_necessary()
1088{
1089    char *tmp;
1090    char *tmp1;
1091    char *command;
1092
1093    log_msg(1, "Started sub");
1094    log_msg(4, "About to set g_boot_mountpt to \"\"");
1095    asprintf(&g_boot_mountpt, "");
1096    log_msg(4, "Done. Great. Seeting command to something");
1097    asprintf(&command,
1098             "grep -v \":\" /etc/fstab | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1099    log_msg(4, "Cool. Command = '%s'", command);
1100    asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1101    paranoid_free(command);
1102
1103    log_msg(4, "tmp = '%s'", tmp);
1104    if (tmp[0]) {
1105        log_it("/boot is at %s according to /etc/fstab", tmp);
1106        if (strstr(tmp, "LABEL=")) {
1107            if (!run_program_and_log_output("mount /boot", 5)) {
1108                paranoid_free(g_boot_mountpt);
1109                asprintf(&g_boot_mountpt, "/boot");
1110                log_msg(1, "Mounted /boot");
1111            } else {
1112                log_it("...ignored cos it's a label :-)");
1113            }
1114        } else {
1115            asprintf(&command, "mount | grep -w \"%s\"", tmp);
1116            log_msg(3, "command = %s", command);
1117            if (run_program_and_log_output(command, 5)) {
1118                paranoid_free(g_boot_mountpt);
1119                asprintf(&g_boot_mountpt, tmp);
1120                asprintf(&tmp1,
1121                         "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1122                         g_boot_mountpt);
1123                log_it(tmp1);
1124                paranoid_free(tmp1);
1125
1126                asprintf(&tmp1, "mount %s", g_boot_mountpt);
1127                if (run_program_and_log_output(tmp1, 5)) {
1128                    paranoid_free(g_boot_mountpt);
1129                    asprintf(&g_boot_mountpt, " ");
1130                    log_msg(1, "Plan B");
1131                    if (!run_program_and_log_output("mount /boot", 5)) {
1132                        paranoid_free(g_boot_mountpt);
1133                        asprintf(&g_boot_mountpt, "/boot");
1134                        log_msg(1, "Plan B worked");
1135                    } else {
1136                        log_msg(1,
1137                                "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1138                    }
1139                }
1140                paranoid_free(tmp1);
1141            }
1142            paranoid_free(command);
1143        }
1144    }
1145    paranoid_free(tmp);
1146    log_msg(1, "Ended sub");
1147}
1148
1149
1150/**
1151 * If we mounted /boot earlier, unmount it.
1152 */
1153void unmount_boot_if_necessary()
1154{
1155    char *tmp;
1156
1157    log_msg(3, "starting");
1158    if (g_boot_mountpt[0]) {
1159        asprintf(&tmp, "umount %s", g_boot_mountpt);
1160        if (run_program_and_log_output(tmp, 5)) {
1161            log_it("WARNING - unable to unmount /boot");
1162        }
1163        paranoid_free(tmp);
1164    }
1165    log_msg(3, "leaving");
1166}
1167
1168
1169
1170/**
1171 * Write a line to a configuration file. Writes a line of the form,
1172 * @c label @c value.
1173 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1174 * @param label What to call this bit of data you're writing.
1175 * @param value The bit of data you're writing.
1176 * @return 0 for success, 1 for failure.
1177 */
1178int write_cfg_var(char *config_file, char *label, char *value)
1179{
1180    /*@ buffers ***************************************************** */
1181    char *command;
1182    char *tempfile;
1183    char *tmp;
1184
1185
1186    /*@ end vars *************************************************** */
1187    assert_string_is_neither_NULL_nor_zerolength(config_file);
1188    assert_string_is_neither_NULL_nor_zerolength(label);
1189    assert(value != NULL);
1190
1191    if (!does_file_exist(config_file)) {
1192        asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1193                 config_file);
1194        log_to_screen(tmp);
1195        paranoid_free(tmp);
1196        return (1);
1197    }
1198    asprintf(&tempfile,
1199             call_program_and_get_last_line_of_output
1200             ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1201    if (does_file_exist(config_file)) {
1202        asprintf(&command, "grep -vx '%s .*' %s > %s",
1203                label, config_file, tempfile);
1204        paranoid_system(command);
1205        paranoid_free(command);
1206    }
1207    asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1208    paranoid_system(command);
1209    paranoid_free(command);
1210
1211    asprintf(&command, "mv -f %s %s", tempfile, config_file);
1212    paranoid_system(command);
1213    paranoid_free(command);
1214    unlink(tempfile);
1215    paranoid_free(tempfile);
1216    return (0);
1217}
1218
1219
1220/**
1221 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1222 * information to the logfile.
1223 */
1224void standard_log_debug_msg(int debug_level, const char *szFile,
1225                            const char *szFunction, int nLine,
1226                            const char *fmt, ...)
1227{
1228    va_list args;
1229    int i;
1230    static int depth = 0;
1231    FILE *fout;
1232
1233    if (depth > 5) {
1234        depth--;
1235        return;
1236    }
1237    depth++;
1238
1239    if (debug_level <= g_loglevel) {
1240        va_start(args, fmt);
1241        if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1242            return;
1243        }                       // fatal_error("Failed to openout to logfile - sheesh..."); }
1244
1245        // add tabs to distinguish log levels
1246        if (debug_level > 0) {
1247            for (i = 1; i < debug_level; i++)
1248                fprintf(fout, "\t");
1249            if (getpid() == g_main_pid)
1250                fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1251                        nLine);
1252            else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1253                fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1254                        nLine);
1255            else
1256                fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1257                        szFunction, nLine);
1258        }
1259        vfprintf(fout, fmt, args);
1260
1261        // do not slow down the progran if standard debug level
1262        // must be enabled: if no flush, the log won't be up-to-date if there
1263        // is a segfault
1264        //if (g_dwDebugLevel != 1)
1265
1266        va_end(args);
1267        fprintf(fout, "\n");
1268        paranoid_fclose(fout);
1269    }
1270    depth--;
1271}
1272
1273/**
1274 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1275 */
1276void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1277                       ...) = standard_log_debug_msg;
1278
1279
1280/**
1281 * Allocate or free important globals, depending on @p mal.
1282 * @param mal If TRUE, malloc; if FALSE, free.
1283 */
1284void do_libmondo_global_strings_thing(int mal)
1285{
1286    if (mal) {
1287        iamhere("Malloc'ing globals");
1288        malloc_string(g_erase_tmpdir_and_scratchdir);
1289        malloc_string(g_serial_string);
1290        malloc_string(g_magicdev_command);
1291    } else {
1292        iamhere("Freeing globals");
1293        paranoid_free(g_boot_mountpt);
1294        paranoid_free(g_mondo_home);
1295        paranoid_free(g_tmpfs_mountpt);
1296        paranoid_free(g_erase_tmpdir_and_scratchdir);
1297        paranoid_free(g_serial_string);
1298        paranoid_free(g_magicdev_command);
1299    }
1300}
1301
1302/**
1303 * Allocate important globals.
1304 * @see do_libmondo_global_strings_thing
1305 */
1306void malloc_libmondo_global_strings(void)
1307{
1308    do_libmondo_global_strings_thing(1);
1309}
1310
1311/**
1312 * Free important globals.
1313 * @see do_libmondo_global_strings_thing
1314 */
1315void free_libmondo_global_strings(void)
1316{
1317    do_libmondo_global_strings_thing(0);
1318}
1319
1320
1321
1322/**
1323 * Stop @c magicdev if it's running.
1324 * The command used to start it is saved in @p g_magicdev_command.
1325 */
1326void stop_magicdev_if_necessary()
1327{
1328    strcpy(g_magicdev_command,
1329           call_program_and_get_last_line_of_output
1330           ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1331    if (g_magicdev_command[0]) {
1332        log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1333        paranoid_system("killall magicdev");
1334    }
1335}
1336
1337
1338/**
1339 * Restart magicdev if it was stopped.
1340 */
1341void restart_magicdev_if_necessary()
1342{
1343    char *tmp;
1344
1345    if (g_magicdev_command && g_magicdev_command[0]) {
1346        asprintf(&tmp, "%s &", g_magicdev_command);
1347        paranoid_system(tmp);
1348        paranoid_free(tmp);
1349    }
1350}
1351
1352/* @} - end of utilityGroup */
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