source: branches/stable/mondo/src/common/libmondo-tools.c @ 1671

Last change on this file since 1671 was 1671, checked in by bruno, 12 years ago

handle 2 new conf file parameters

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1/* $Id: libmondo-tools.c 1671 2007-10-01 12:12:54Z bruno $
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 "mr_mem.h"
12#include "mr_msg.h"
13#include "mr_file.h"
14#include "mr_gettext.h"
15#include "mr_conf.h"
16
17#include "mondostructures.h"
18#include "libmondo-tools.h"
19#include "newt-specific-EXT.h"
20#include "libmondo-files-EXT.h"
21#include "libmondo-fork-EXT.h"
22#include "libmondo-raid-EXT.h"
23#include <sys/socket.h>
24#include <netdb.h>
25#include <stdlib.h>
26#include <netinet/in.h>
27#include <arpa/inet.h>
28#include <sys/utsname.h>
29
30/*@unused@*/
31//static char cvsid[] = "$Id: libmondo-tools.c 1671 2007-10-01 12:12:54Z bruno $";
32
33extern int g_tape_buffer_size_MB;
34extern char *g_erase_tmpdir_and_scratchdir;
35extern char *g_serial_string;
36extern bool g_text_mode;
37extern int g_currentY;
38extern int g_current_media_number;
39extern char *MONDO_LOGFILE;
40
41extern struct mr_ar_conf *mr_conf;
42
43/* Reference to global bkpinfo */
44extern struct s_bkpinfo *bkpinfo;
45
46/**
47 * @addtogroup globalGroup
48 * @{
49 */
50bool g_remount_cdrom_at_end,    ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
51 g_remount_floppy_at_end;       ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
52bool g_cd_recovery;             ///< TRUE if we're making an "autonuke" backup.
53double g_kernel_version;
54
55/**
56 * The place where /boot is mounted. - Used locally only
57 */
58static char *g_boot_mountpt = NULL;
59
60/**
61 * The serial string (used to differentiate between backups) of the current backup.
62 */
63char *g_serial_string = NULL;
64
65/**
66 * The location where tmpfs is mounted, or "" if it's not mounted.
67 */
68char *g_tmpfs_mountpt = NULL;
69char *g_magicdev_command = NULL;
70
71/* @} - end of globalGroup */
72
73
74extern pid_t g_buffer_pid;
75extern pid_t g_main_pid;
76
77extern t_bkptype g_backup_media_type;
78extern char *g_backup_media_string;
79
80extern bool am_I_in_disaster_recovery_mode(void);
81
82
83/**
84 * @addtogroup utilityGroup
85 * @{
86 */
87/**
88 * Assertion handler. Prints a friendly message to the user,
89 * offering to ignore all, dump core, break to debugger,
90 * exit, or ignore. Intended to be used with an assert() macro.
91 *
92 * @param file The file in which the assertion triggered.
93 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
94 * @param line The line number of the assert() statement.
95 * @param exp The expression that failed (as a string).
96 */
97void _mondo_assert_fail(const char *file,
98                        const char *function, int line, const char *exp)
99{
100    static int ignoring_assertions = 0;
101    bool is_valid = TRUE;
102
103    log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
104           function);
105    if (ignoring_assertions) {
106        log_it("Well, the user doesn't care...");
107        return;
108    }
109#ifndef _XWIN
110    if (!g_text_mode)
111        newtSuspend();
112#endif
113    printf(_("ASSERTION FAILED: `%s'\n"), exp);
114    printf(_("\tat %s:%d in %s\n\n"), file, line, function);
115    printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
116    do {
117        is_valid = TRUE;
118        switch (toupper(getchar())) {
119        case 'A':               // ignore (A)ll
120            ignoring_assertions = 1;
121            break;
122        case 'B':               // a(B)ort
123            signal(SIGABRT, SIG_DFL);   /* prevent SIGABRT handler from running */
124            raise(SIGABRT);
125            break;              /* "can't get here" */
126        case 'D':               // (D)ebug, aka asm("int 3")
127#ifdef __IA32__
128            __asm__ __volatile__("int $3"); // break to debugger
129#endif
130            break;
131        case 'E':               // (E)xit
132            fatal_error("Failed assertion -- see above for details");
133            break;              /* "can't get here" */
134        case 'I':               // (I)gnore
135            break;
136            /* These next two work as follows:
137               the `default' catches the user's invalid choice and says so;
138               the '\n' catches the newline on the end and prints the prompt again.
139             */
140        case '\n':
141            printf
142                (_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
143            break;
144        default:
145            is_valid = FALSE;
146            printf(_("Invalid choice.\n"));
147            break;
148        }
149    } while (!is_valid);
150
151    if (ignoring_assertions) {
152        log_it("Ignoring ALL assertions from now on.");
153    } else {
154        log_it("Ignoring assertion: %s", exp);
155    }
156
157    getchar();                  // skip \n
158
159#ifndef _XWIN
160    if (!g_text_mode)
161        newtResume();
162#endif
163}
164
165/**
166 * Clean's up users' KDE desktops.
167 * @bug Details about this function are unknown.
168 */
169void clean_up_KDE_desktop_if_necessary(void)
170{
171    char *tmp;
172
173    mr_asprintf(&tmp,
174             "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
175file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
176awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
177else { print $0;};}' $file.old  > $file ; fi ; done");
178    run_program_and_log_output(tmp, 5);
179    mr_free(tmp);
180}
181
182
183/**
184 * Locate mondoarchive's home directory. Searches in /usr/share/mondo,
185 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
186 *
187 * @param home_sz String to store the home directory ("" if it could not be found).
188 * @return 0 for success, nonzero for failure.
189 */
190int find_and_store_mondoarchives_home(char *home_sz)
191{
192    assert(home_sz != NULL);
193    strcpy(home_sz, MONDO_SHARE);
194    return (0);
195}
196
197
198char *get_architecture(void) {
199#ifdef __IA32__
200#   ifdef __X86_64__
201        return ("x86_64");
202#   else
203        return ("i386");
204#   endif
205#endif
206#ifdef __X86_64__
207    return ("x86_64");
208#endif
209#ifdef __IA64__
210    return ("ia64");
211#endif
212    return ("unknown");
213}
214
215
216char *get_uname_m(void) {
217
218    struct utsname utsn;
219    char *tmp = NULL;
220
221    uname(&utsn);
222    mr_asprintf(&tmp, utsn.machine);
223    return (tmp);
224}
225
226
227
228/* BERLIOS: Use uname instead */
229double get_kernel_version(void)
230{
231    char *p, tmp[200];
232    double d;
233#ifdef __FreeBSD__
234    // JOSH - FIXME :)
235    d = 5.2;                    // :-)
236#else
237    strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
238    p = strchr(tmp, '.');
239    if (p) {
240        p = strchr(++p, '.');
241        if (p) {
242            while (*p) {
243                *p = *(p + 1);
244                p++;
245            }
246        }
247    }
248//  mr_msg(1, "tmp = '%s'", tmp);
249    d = atof(tmp);
250#endif
251    mr_msg(1, "g_kernel_version = %f", d);
252    return (d);
253}
254
255
256/**
257 * Get the current time.
258 * @return number of seconds since the epoch.
259 */
260long get_time(void)
261{
262    return (long) time((void *) 0);
263}
264
265
266/**
267 * Initialize a RAID volume structure, setting fields to zero. The
268 * actual hard drive is unaffected.
269 *
270 * @param raidrec The RAID volume structure to initialize.
271 * @note This function is system dependent.
272 */
273#ifdef __FreeBSD__
274void initialize_raidrec(struct vinum_volume *raidrec)
275{
276    int i, j;
277    raidrec->volname[0] = '\0';
278    raidrec->plexes = 0;
279    for (i = 0; i < 9; ++i) {
280        raidrec->plex[i].raidlevel = -1;
281        raidrec->plex[i].stripesize = 0;
282        raidrec->plex[i].subdisks = 0;
283        for (j = 0; j < 9; ++j) {
284            strcpy(raidrec->plex[i].sd[j].which_device, "");
285        }
286    }
287}
288#else
289void initialize_raidrec(struct raid_device_record *raidrec)
290{
291    assert(raidrec != NULL);
292    raidrec->raid_device[0] = '\0';
293    raidrec->raid_level = -9;
294    raidrec->persistent_superblock = 1;
295    raidrec->chunk_size = 64;
296    raidrec->parity = -1;
297    raidrec->data_disks.entries = 0;
298    raidrec->spare_disks.entries = 0;
299    raidrec->parity_disks.entries = 0;
300    raidrec->failed_disks.entries = 0;
301    raidrec->additional_vars.entries = 0;
302}
303#endif
304
305
306/**
307 * Insert modules that Mondo requires.
308 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
309 * @c msdosfs and @c ext2fs for FreeBSD.
310 */
311void insmod_crucial_modules(void)
312{
313#ifdef __FreeBSD__
314    system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
315    system("kldstat | grep ext2fs  || kldload ext2fs 2> /dev/null");
316#else
317    system("modprobe -a msdos vfat loop &> /dev/null");
318#endif
319}
320
321
322/**
323 * Finish configuring the backup information structure. Call this function
324 * to set the parameters that depend on those that can be given on the command
325 * line.
326 *
327 * @param bkpinfo The backup information structure. Fields modified/used:
328 * - Used: @c bkpinfo->backup_data
329 * - Used: @c bkpinfo->backup_media_type
330 * - Used: @c bkpinfo->writer_speed
331 * - Used: @c bkpinfo->compression_level
332 * - Used: @c bkpinfo->include_paths
333 * - Used: @c bkpinfo->prefix
334 * - Used: @c bkpinfo->isodir
335 * - Used: @c bkpinfo->manual_tray
336 * - Used: @c bkpinfo->make_cd_use_lilo
337 * - Used: @c bkpinfo->media_device
338 * - Used: @c bkpinfo->nfs_mount
339 * - Used: @c bkpinfo->nonbootable_backup
340 * - Used: @c bkpinfo->scratchdir
341 * - Used: @c bkpinfo->tmpdir
342 * - Used: @c bkpinfo->use_lzo
343 * - Modified: @c bkpinfo->call_before_iso
344 * - Modified: @c bkpinfo->call_make_iso
345 * - Modified: @c bkpinfo->optimal_set_size
346 * - Modified: @c bkpinfo->zip_exe
347 * - Modified: @c bkpinfo->zip_suffix
348 *
349 * @return number of errors, or 0 for success.
350 * @note Also creates directories that are specified in the @c bkpinfo structure but
351 * do not exist.
352 */
353int post_param_configuration()
354{
355    char *extra_cdrom_params = NULL;
356    char *mondo_mkisofs_sz = NULL;
357    char *command = NULL;
358    char *hostname = NULL;
359    char *ip_address = NULL;
360    int retval = 0;
361    long avm = 0;
362    char *colon = NULL;
363    char *tmp = NULL;
364    char *call_before_iso_user = NULL;
365    int rdsiz_MB;
366    char *iso_dev = NULL;
367    char *iso_mnt = NULL;
368    char *iso_tmp = NULL;
369    char *iso_path = NULL;
370    FILE *fd1 = NULL;
371
372    assert(bkpinfo != NULL);
373    bkpinfo->optimal_set_size =
374        (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
375        1024;
376
377    mr_msg(1, "Foo");
378    if (bkpinfo->backup_media_type == tape) {
379        mr_msg(1, "Bar");
380        mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
381        mr_msg(1, "tmp = '%s'", tmp);
382        if (run_program_and_log_output(tmp, 3)) {
383            fatal_error
384                ("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.");
385        }
386        mr_free(tmp);
387    }
388    make_hole_for_dir(bkpinfo->scratchdir);
389    if (bkpinfo->backup_media_type == iso)
390        make_hole_for_dir(bkpinfo->isodir);
391
392    run_program_and_log_output("uname -a", 5);
393    run_program_and_log_output("cat /etc/*-release", 5);
394    sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
395    mr_asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
396    paranoid_system(command);
397    mr_free(command);
398    rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
399#ifdef __FreeBSD__
400    mr_asprintf(&tmp,
401           call_program_and_get_last_line_of_output
402           ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
403    avm += atol(tmp);
404    mr_free(tmp);
405    mr_asprintf(&tmp,
406           call_program_and_get_last_line_of_output
407           ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
408    avm += atol(tmp);
409    mr_free(tmp);
410    mr_asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
411             g_tmpfs_mountpt);
412#else
413    mr_asprintf(&tmp,
414           call_program_and_get_last_line_of_output
415           ("free | grep ':' | tr -s ' ' '\t' | cut -f2 | head -n1"));
416    avm += atol(tmp);
417    mr_free(tmp);
418    mr_asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
419            g_tmpfs_mountpt, rdsiz_MB, 'm');
420    run_program_and_log_output("cat /proc/cpuinfo", 5);
421    /* BERLIOS: rpm is not necessarily there ! */
422    run_program_and_log_output
423        ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
424         5);
425#endif
426    if (avm / 1024 > rdsiz_MB * 3) {
427        if (run_program_and_log_output(command, 5)) {
428            g_tmpfs_mountpt[0] = '\0';
429            log_it("Failed to mount tmpfs");
430        } else {
431            log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
432        }
433    } else {
434        g_tmpfs_mountpt[0] = '\0';
435        log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
436    }
437    mr_free(command);
438
439    if (bkpinfo->use_lzo) {
440        strcpy(bkpinfo->zip_exe, "lzop");
441        strcpy(bkpinfo->zip_suffix, "lzo");
442    } else if (bkpinfo->use_gzip) {
443        strcpy(bkpinfo->zip_exe, "gzip");
444        strcpy(bkpinfo->zip_suffix, "gz");
445    } else if (bkpinfo->compression_level != 0) {
446        strcpy(bkpinfo->zip_exe, "bzip2");
447        strcpy(bkpinfo->zip_suffix, "bz2");
448    } else {
449        bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
450    }
451
452// CD-R or CD-RW or DVD
453    if (bkpinfo->backup_media_type == cdrw
454        || bkpinfo->backup_media_type == dvd
455        || bkpinfo->backup_media_type == iso
456        || bkpinfo->backup_media_type == nfs
457        || bkpinfo->backup_media_type == cdr) {
458        if (!bkpinfo->manual_tray) {
459            mr_strcat(extra_cdrom_params, "-waiti ");
460        }
461        if (bkpinfo->backup_media_type == cdrw) {
462            mr_strcat(extra_cdrom_params, "blank=fast ");
463        }
464        if (bkpinfo->nonbootable_backup) {
465            mr_asprintf(&mondo_mkisofs_sz, "%s -no-boot", mr_conf->iso_creation_opt);
466        } else if
467#ifdef __FreeBSD__
468            (TRUE)
469#else
470            (bkpinfo->make_cd_use_lilo)
471#endif
472#ifdef __IA64__
473    {
474        mr_asprintf(&mondo_mkisofs_sz, "%s -b images/mindi-boot.2880.img -c boot.cat", mr_conf->iso_creation_opt);
475    }
476#else
477    {
478        mr_asprintf(&mondo_mkisofs_sz, "%s -b isolinux.bin -c boot.cat", mr_conf->iso_creation_opt);
479    }
480#endif
481        else {
482            mr_asprintf(&mondo_mkisofs_sz, "%s -b isolinux.bin -c boot.cat", mr_conf->iso_creation_opt);
483        }
484        if (bkpinfo->manual_tray) {
485            if (strstr(mr_conf->iso_burning_cmd,"growisofs") != NULL) {
486                fatal_error("Unable to use manual CD tray with growisofs");
487            }
488            if (bkpinfo->call_before_iso[0] == '\0') {
489                sprintf(bkpinfo->call_before_iso,
490                        "%s %s -o %s/"MONDO_TMPISOS" . 2>> %s",
491                        mr_conf->iso_creation_cmd,mondo_mkisofs_sz, bkpinfo->tmpdir, MONDO_LOGFILE);
492            } else {
493                mr_asprintf(&call_before_iso_user, bkpinfo->call_before_iso);
494                sprintf (bkpinfo->call_before_iso,
495                                    "(%s %s -o %s/"MONDO_TMPISOS" . 2>> %s ; %s )",
496                        mr_conf->iso_creation_cmd,mondo_mkisofs_sz, bkpinfo->tmpdir, MONDO_LOGFILE, call_before_iso_user);
497                mr_free(call_before_iso_user);
498            }
499            log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
500            sprintf(bkpinfo->call_make_iso,
501                    "%s %s %s dev=%s speed=%d %s/"MONDO_TMPISOS,
502                    mr_conf->iso_burning_cmd,
503                    extra_cdrom_params, 
504                    mr_conf->iso_burning_opt, 
505                    bkpinfo->iso_burning_dev,
506                    bkpinfo->writer_speed, 
507                    bkpinfo->tmpdir);
508        } else {
509            if (bkpinfo->backup_media_type == iso) {
510                sprintf(bkpinfo->call_make_iso,
511                    "%s %s . 2>> %s",
512                        mr_conf->iso_creation_cmd,
513                        mondo_mkisofs_sz, 
514                        MONDO_LOGFILE);
515            } else {
516                if (strstr(mr_conf->iso_burning_cmd,"growisofs") != NULL) {
517                    if (getenv ("SUDO_COMMAND")) {
518                        mr_asprintf(&command, "strings %s | grep -c SUDO_COMMAND", mr_conf->iso_burning_cmd);
519                        if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
520                            fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
521                        }
522                        mr_free(command);
523                    }
524                    sprintf(bkpinfo->call_make_iso,
525                        "%s %s %s %s -Z %s -speed=%d . 2>> %s",
526                        mr_conf->iso_burning_cmd,
527                        mondo_mkisofs_sz, 
528                        extra_cdrom_params, 
529                        mr_conf->iso_burning_opt,
530                        bkpinfo->iso_burning_dev,
531                        bkpinfo->writer_speed,
532                        MONDO_LOGFILE);
533                } else {
534                    sprintf(bkpinfo->call_make_iso,
535                        "%s %s . 2>> %s | %s %s %s dev=%s speed=%d -",
536                        mr_conf->iso_creation_cmd,
537                        mondo_mkisofs_sz, 
538                        MONDO_LOGFILE,
539                        mr_conf->iso_burning_cmd,
540                        extra_cdrom_params, 
541                        mr_conf->iso_burning_opt,
542                        bkpinfo->iso_burning_dev,
543                        bkpinfo->writer_speed);
544                }
545            mr_free(mondo_mkisofs_sz);
546            mr_free(extra_cdrom_params);
547            }
548        }
549    }                           // end of CD code
550
551    if (bkpinfo->backup_media_type == iso) {
552
553/* Patch by Conor Daly <conor.daly@met.ie>
554 * 23-june-2004
555 * Break up isodir into iso_mnt and iso_path
556 * These will be used along with iso-dev at restore time
557 * to locate the ISOs where ever they're mounted
558 */
559
560        log_it("isodir = %s", bkpinfo->isodir);
561        mr_asprintf(&command, "df -P %s | tail -n1 | cut -d' ' -f1",
562                 bkpinfo->isodir);
563        log_it("command = %s", command);
564        mr_asprintf(&iso_dev, call_program_and_get_last_line_of_output(command));
565        mr_free(command);
566        log_it("res of it = %s", iso_dev);
567
568        fd1 = mr_fopen(MONDORESTORECFG, "a");
569        mr_fprintf(fd1, "iso-dev=%s\n", iso_dev);
570
571        mr_asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
572                 iso_dev);
573        mr_free(iso_dev);
574
575        log_it("command = %s", command);
576        mr_asprintf(&iso_mnt,call_program_and_get_last_line_of_output(command));
577        mr_free(command);
578
579        log_it("res of it = %s", iso_mnt);
580        mr_fprintf(fd1, "iso-mnt=%s\n", iso_mnt);
581        log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
582
583        mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
584        if (strlen(iso_tmp) >= strlen(iso_mnt)) {
585            mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
586        } else {
587            mr_asprintf(&iso_path, "");
588        }
589        mr_free(iso_tmp);
590        mr_free(iso_mnt);
591
592        log_it("isodir: %s", iso_path);
593        mr_fprintf(fd1, "isodir=%s\n", iso_path);
594        mr_free(iso_path);
595
596        log_it("iso-prefix: %s",  bkpinfo->prefix);
597        mr_fprintf(fd1, "iso-prefix=%s\n", bkpinfo->prefix);
598
599        mr_fclose(fd1);
600    }                           // end of iso code
601
602    if (bkpinfo->backup_media_type == nfs) {
603        mr_asprintf(&hostname, bkpinfo->nfs_mount);
604        colon = strchr(hostname, ':');
605        if (!colon) {
606            log_it("nfs mount doesn't have a colon in it");
607            retval++;
608        } else {
609            struct hostent *hent;
610
611            *colon = '\0';
612            hent = gethostbyname(hostname);
613            if (!hent) {
614                log_it("Can't resolve NFS mount (%s): %s", hostname,
615                       hstrerror(h_errno));
616                retval++;
617            } else {
618                mr_asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
619                                                *((struct in_addr *) hent->h_addr)),
620                                                strchr(bkpinfo->nfs_mount, ':'));
621                strcpy(bkpinfo->nfs_mount, ip_address);
622                mr_free(ip_address);
623            }
624        }
625        store_nfs_config();
626        mr_free(hostname);
627    }
628
629    log_it("Finished processing incoming params");
630    if (retval) {
631        fprintf(stderr, "Type 'man mondoarchive' for help.\n");
632    }
633
634    if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
635        log_it("tmpdir or scratchdir are blank/missing");
636        retval++;
637    }
638    if (bkpinfo->include_paths[0] == '\0') {
639        //      fatal_error ("Why no backup path?");
640        strcpy(bkpinfo->include_paths, "/");
641    }
642    chmod(bkpinfo->scratchdir, 0700);
643    g_backup_media_type = bkpinfo->backup_media_type;
644    g_backup_media_string = bkpinfo->backup_media_string;
645    return (retval);
646}
647
648
649/**
650 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
651 * Seeds the random-number generator, loads important modules, checks the sanity
652 * of the user's Linux distribution, and deletes logfile.
653 * @param bkpinfo The backup information structure. Will be initialized.
654 * @return number of errors (0 for success)
655 */
656int pre_param_configuration()
657{
658    int res = 0;
659    char *tmp = NULL;
660
661    make_hole_for_dir(MNT_CDROM);
662    assert(bkpinfo != NULL);
663    srandom((unsigned long) (time(NULL)));
664    insmod_crucial_modules();
665    if (bkpinfo->disaster_recovery) {
666        if (!does_nonMS_partition_exist()) {
667            fatal_error
668                ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
669        }
670    }
671
672    asprintf(&tmp,"rm -Rf %s/changed.files*",MINDI_CACHE);
673    run_program_and_log_output(tmp, FALSE);
674    paranoid_free(tmp);
675    res += some_basic_system_sanity_checks();
676    if (res) {
677        log_it("Your distribution did not pass Mondo's sanity test.");
678    }
679    g_current_media_number = 1;
680    bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
681    return (res);
682}
683
684void setup_tmpdir(char *path) {
685   
686    char *tmp = NULL;
687    char *p = NULL;
688
689    if (bkpinfo->tmpdir != NULL) {
690        /* purging a potential old tmpdir */
691        asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
692        system(tmp);
693        paranoid_free(tmp);
694    }
695       
696    if (path != NULL) {
697        asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
698    } else if (getenv("TMPDIR")) {
699        asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
700    } else if (getenv("TMP")) {
701        asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
702    } else {
703        asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
704    }
705    p = mkdtemp(tmp);
706    if (p == NULL) {
707        log_it("Failed to create global tmp directory %s for Mondo.",tmp);
708        finish(-1);
709    }
710    strcpy(bkpinfo->tmpdir,p);
711    paranoid_free(tmp);
712
713    //sprintf(bkpinfo->tmpdir, "%s/tmpfs/mondo.tmp.%d", "/tmp", (int) (random() % 32768));  // for mondorestore
714}
715
716
717/**
718 * Reset all fields of the backup information structure to a sensible default.
719 * @param bkpinfo The @c bkpinfo to reset.
720 */
721void reset_bkpinfo()
722{
723    char *tmp = NULL;
724
725    mr_msg(1, "Hi");
726
727    assert(bkpinfo != NULL);
728    /* BERLIOS : Useless ?? */
729    memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
730
731    /* special case for tmpdir as used eveywhere after */
732    setup_tmpdir(NULL);
733
734    bkpinfo->manual_tray = mr_conf->manual_tray;
735    bkpinfo->internal_tape_block_size = mr_conf->internal_tape_blocksize;
736    mr_asprintf(&tmp,mr_conf->media_device);
737    bkpinfo->media_device = tmp;
738    mr_asprintf(&tmp,mr_conf->iso_burning_dev);
739    bkpinfo->iso_burning_dev = tmp;
740
741    bkpinfo->media_size = mr_conf->iso_burning_speed;
742    mr_asprintf(&tmp,mr_conf->kernel);
743    bkpinfo->kernel_path = tmp;
744
745    if (strcmp(mr_conf->boot_loader,"LILO") == 0) {
746        bkpinfo->boot_loader = 'L';
747    } else if (strcmp(mr_conf->boot_loader,"GRUB") == 0) {
748        bkpinfo->boot_loader = 'G';
749    } else if (strcmp(mr_conf->boot_loader,"ELILO") == 0) {
750        bkpinfo->boot_loader = 'E';
751    } else if (strcmp(mr_conf->boot_loader,"RAW") == 0) {
752        bkpinfo->boot_loader = 'R';
753    } else if (strcmp(mr_conf->boot_loader,"DD") == 0) {
754        bkpinfo->boot_loader = 'D';
755    } else if (strcmp(mr_conf->boot_loader,"BOOT0") == 0) {
756        bkpinfo->boot_loader = 'B';
757    } else if (strcmp(mr_conf->boot_loader,"NATIVE") == 0) {
758        bkpinfo->boot_loader = '\0';
759    } else{
760        mr_msg("Boot Loader %s unknown\n",mr_conf->boot_loader);
761        fatal_error("Unknown Boot Loader in conf file");
762    }
763    bkpinfo->boot_device[0] = '\0';
764    bkpinfo->zip_exe[0] = '\0';
765    bkpinfo->zip_suffix[0] = '\0';
766    bkpinfo->restore_path[0] = '\0';
767    bkpinfo->use_lzo = FALSE;
768    bkpinfo->use_gzip = FALSE;
769    bkpinfo->do_not_compress_these[0] = '\0';
770    bkpinfo->verify_data = FALSE;
771    bkpinfo->backup_data = FALSE;
772    bkpinfo->restore_data = FALSE;
773    bkpinfo->disaster_recovery =
774        (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
775    if (bkpinfo->disaster_recovery) {
776        strcpy(bkpinfo->isodir, "/");
777    } else {
778        strcpy(bkpinfo->isodir, "/var/cache/mondo/iso");
779    }
780    mr_asprintf(&tmp,mr_conf->prefix);
781    bkpinfo->prefix = tmp;
782
783    bkpinfo->scratchdir[0] = '\0';
784    bkpinfo->make_filelist = TRUE;  // unless -J supplied to mondoarchive
785    bkpinfo->optimal_set_size = 0;
786    bkpinfo->backup_media_type = none;
787    bkpinfo->backup_media_string[0] = '\0';
788    strcpy(bkpinfo->include_paths, "/");
789    bkpinfo->exclude_paths[0] = '\0';
790    bkpinfo->call_before_iso[0] = '\0';
791    bkpinfo->call_make_iso[0] = '\0';
792    bkpinfo->call_after_iso[0] = '\0';
793    bkpinfo->image_devs[0] = '\0';
794    bkpinfo->postnuke_tarball[0] = '\0';
795    bkpinfo->nfs_mount[0] = '\0';
796    bkpinfo->nfs_remote_dir[0] = '\0';
797    bkpinfo->wipe_media_first = FALSE;
798    bkpinfo->differential = FALSE;
799    bkpinfo->writer_speed = mr_conf->iso_burning_speed;
800    bkpinfo->compression_level = 3;
801}
802
803
804/**
805 * Get the remaining free space (in MB) on @p partition.
806 * @param partition The partition to check free space on (either a device or a mountpoint).
807 * @return The free space on @p partition, in MB.
808 */
809long free_space_on_given_partition(char *partition)
810{
811    char *command = NULL;
812    char *out_sz = NULL;
813    long res = 0L;
814
815    assert_string_is_neither_NULL_nor_zerolength(partition);
816
817    mr_asprintf(&command, "df -m -P %s &> /dev/null", partition);
818    if (system(command)) {
819        return (-1);
820    }                           // partition does not exist
821    mr_free(command);
822
823    mr_asprintf(&command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
824            partition);
825    mr_asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
826    mr_free(command);
827
828    if (strlen(out_sz) == 0) {
829        return (-1);
830    }                           // error within df, probably
831    res = atol(out_sz);
832    mr_free(out_sz);
833    return (res);
834}
835
836
837/**
838 * Check the user's system for sanity. Checks performed:
839 * - make sure user has enough RAM (32mb required, 64mb recommended)
840 * - make sure user has enough free space in @c /
841 * - check kernel for ramdisk support
842 * - make sure afio, cdrecord, bzip2, awk, md5sum, strings, mindi, and buffer exist
843 * - make sure CD-ROM is unmounted
844 * - make sure /etc/modules.conf exists
845 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
846 *
847 * @return number of problems with the user's setup (0 for success)
848 */
849int some_basic_system_sanity_checks()
850{
851
852    /*@ buffers ************ */
853    char *tmp = NULL;
854
855    /*@ int's *************** */
856    int retval = 0;
857    long Lres;
858
859
860    mvaddstr_and_log_it(g_currentY, 0,
861                        "Checking sanity of your Linux distribution");
862#ifndef __FreeBSD__
863    if (system("which mkfs.vfat &> /dev/null")
864        && !system("which mkfs.msdos &> /dev/null")) {
865        log_it
866            ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
867        run_program_and_log_output
868            ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
869    }
870    mr_asprintf(&tmp,
871           call_program_and_get_last_line_of_output
872           ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
873    if (atol(tmp) < 35000) {
874        retval++;
875        log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
876    }
877    if (atol(tmp) < 66000) {
878        log_to_screen
879            (_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
880    }
881    mr_free(tmp);
882#endif
883
884    Lres = free_space_on_given_partition(MONDO_CACHE);
885    log_it("Free space on given partition = %ld MB", Lres);
886
887    if (Lres < 50) {
888        fatal_error("Your "MONDO_CACHE" partition has <50MB free. Please adjust your partition table to something saner or make "MONDO_CACHE" a symbolic link"); 
889    }
890
891    if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
892        retval++;
893        log_to_screen
894            ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
895        fatal_error
896            ("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. :)");
897    }
898#ifndef __FreeBSD__
899    if (run_program_and_log_output
900        ("grep ramdisk /proc/devices", FALSE)) {
901        if (!ask_me_yes_or_no
902            (_("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?")))
903        {
904            //          retval++;
905            log_to_screen
906                (_("It looks as if your kernel lacks ramdisk and initrd support."));
907            log_to_screen
908                (_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
909        }
910    }
911#endif
912    retval += whine_if_not_found(mr_conf->iso_creation_cmd);
913    retval += whine_if_not_found(mr_conf->iso_burning_cmd);
914    retval += whine_if_not_found(MKE2FS_OR_NEWFS);
915    retval += whine_if_not_found("bzip2");
916    retval += whine_if_not_found("gzip");
917    retval += whine_if_not_found("awk");
918    retval += whine_if_not_found("md5sum");
919    retval += whine_if_not_found("strings");
920    retval += whine_if_not_found("mindi");
921    retval += whine_if_not_found("buffer");
922
923    // abort if Windows partition but no ms-sys and parted
924    if (!run_program_and_log_output
925        ("mount | grep -w vfat | grep -vE \"/dev/fd|nexdisk\"", 0)
926        ||
927        !run_program_and_log_output
928        ("mount | grep -w dos | grep -vE \"/dev/fd|nexdisk\"", 0)) {
929        log_to_screen(_("I think you have a Windows 9x partition."));
930        retval += whine_if_not_found("parted");
931#ifndef __IA64__
932        /* IA64 always has one vfat partition for EFI even without Windows */
933        // retval +=
934        if (!find_home_of_exe("ms-sys")) {
935            log_to_screen("Please install ms-sys just in case.");
936        }
937#endif
938    }
939
940    if (!find_home_of_exe("cmp")) {
941        if (!find_home_of_exe("true")) {
942            whine_if_not_found("cmp");
943        } else {
944            log_to_screen
945                ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
946            if (run_program_and_log_output
947                ("cp -f `which true` /usr/bin/cmp", 0)) {
948                fatal_error("Failed to create dummy 'cmp' file.");
949            }
950        }
951    }
952    run_program_and_log_output
953        ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
954    mr_asprintf(&tmp,
955           call_program_and_get_last_line_of_output
956           ("mount | grep -E \"cdr(om|w)\""));
957    if (strcmp("", tmp)) {
958        if (strstr(tmp, "autofs")) {
959            log_to_screen
960                (_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
961            log_to_screen
962                (_("if a CD actually is inserted. If a CD is inserted, please"));
963            log_to_screen(_("eject it. Thank you."));
964            log_it
965                ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
966        } else
967            if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
968            retval++;
969            fatal_error
970                ("Your CD-ROM drive is mounted. Please unmount it.");
971        }
972    }
973    mr_free(tmp);
974#ifndef __FreeBSD__
975    if (!does_file_exist("/etc/modules.conf")) {
976        if (does_file_exist("/etc/conf.modules")) {
977            log_it("Linking /etc/modules.conf to /etc/conf.modules");
978            run_program_and_log_output
979                ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
980        } else if (does_file_exist("/etc/modprobe.d")) {
981            log_it
982                ("Directory /etc/modprobe.d found. mindi will use its contents.");
983        } else if (does_file_exist("/etc/modprobe.conf")) {
984            log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
985            run_program_and_log_output
986                ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
987        } else {
988            retval++;
989            log_to_screen
990                (_("Please find out what happened to /etc/modules.conf"));
991        }
992    }
993#endif
994
995    run_program_and_log_output("cat /etc/fstab", 5);
996#ifdef __FreeBSD__
997    run_program_and_log_output("vinum printconfig", 5);
998#else
999    run_program_and_log_output("cat /etc/raidtab", 5);
1000#endif
1001
1002    if (run_program_and_log_output("mindi -V", 1)) {
1003        log_to_screen(_("Could not ascertain mindi's version number."));
1004        log_to_screen
1005            (_("You have not installed Mondo and/or Mindi properly."));
1006        log_to_screen(_("Please uninstall and reinstall them both."));
1007        fatal_error("Please reinstall Mondo and Mindi.");
1008    }
1009    mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1010    if (run_program_and_log_output(tmp, 5)) {
1011        log_to_screen(tmp);
1012        log_to_screen
1013            (_("failed for some reason."));
1014        log_to_screen
1015            (_("Please run that command by hand and examine /var/log/mindi.log"));
1016        log_to_screen
1017            (_("for more information. Perhaps your /etc/fstab file is insane."));
1018        log_to_screen
1019            (_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
1020        retval++;
1021    }
1022    mr_free(tmp);
1023
1024    if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1025        && !does_file_exist("/etc/raidtab")) {
1026        log_to_screen
1027            (_("You have RAID partitions but no /etc/raidtab - creating one from "MDSTAT_FILE));
1028        create_raidtab_from_mdstat("/etc/raidtab");
1029    }
1030
1031    if (retval) {
1032        mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
1033    } else {
1034        mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
1035    }
1036    return (retval);
1037}
1038
1039/**
1040 * Retrieve the line containing @p label from the config file.
1041 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1042 * @param label What to read from the file.
1043 * @param value Where to put it.
1044 * @return 0 for success, 1 for failure.
1045 */
1046int read_cfg_var(char *config_file, char *label, char *value)
1047{
1048    /*@ buffer ****************************************************** */
1049    char *command = NULL;
1050    char *tmp = NULL;
1051
1052    /*@ end vars *************************************************** */
1053
1054    assert_string_is_neither_NULL_nor_zerolength(config_file);
1055    assert_string_is_neither_NULL_nor_zerolength(label);
1056
1057    if (!does_file_exist(config_file)) {
1058        mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1059                 config_file);
1060        log_to_screen(tmp);
1061        mr_free(tmp);
1062        value[0] = '\0';
1063        return (1);
1064    /* } BERLIOS: Useless:
1065         else if (strstr(value, "/dev/") && strstr(value, "t0")
1066               && !strcmp(label, "media-dev")) {
1067        mr_msg(2, "FYI, I shan't read new value for %s - already got %s",
1068                label, value);
1069        return (0);
1070    */ } else {
1071        mr_asprintf(&command, "grep '%s .*' %s| cut -d'=' -f2,3,4,5",
1072                label, config_file);
1073        strcpy(value, call_program_and_get_last_line_of_output(command));
1074        mr_free(command);
1075        if (strlen(value) == 0) {
1076            return (1);
1077        } else {
1078            return (0);
1079        }
1080    }
1081}
1082
1083
1084/**
1085 * Remount @c supermount if it was unmounted earlier.
1086 */
1087void remount_supermounts_if_necessary()
1088{
1089    if (g_remount_cdrom_at_end) {
1090        run_program_and_log_output("mount " MNT_CDROM, FALSE);
1091    }
1092}
1093
1094/**
1095 * Unmount @c supermount if it's mounted.
1096 */
1097void unmount_supermounts_if_necessary()
1098{
1099    if (run_program_and_log_output
1100        ("mount | grep cdrom | grep super", FALSE) == 0) {
1101        g_remount_cdrom_at_end = TRUE;
1102        run_program_and_log_output("umount " MNT_CDROM, FALSE);
1103    }
1104}
1105
1106/**
1107 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1108 */
1109void mount_boot_if_necessary()
1110{
1111    char *tmp = NULL;
1112    char *tmp1 = NULL;
1113    char *command = NULL;
1114
1115    mr_msg(1, "Started sub");
1116    mr_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1117    g_boot_mountpt[0] = '\0';
1118    mr_msg(4, "Done. Great. Setting command to something");
1119    mr_asprintf(&command,
1120             "grep -v ':' /etc/fstab | grep -vE '^#.*$' | grep -E \"[   ]/boot[     ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1121    mr_msg(4, "Cool. Command = '%s'", command);
1122    mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1123    mr_free(command);
1124
1125    mr_msg(4, "tmp = '%s'", tmp);
1126    if (tmp[0]) {
1127        log_it("/boot is at %s according to /etc/fstab", tmp);
1128        if ((strstr(tmp, "LABEL=") || strstr(tmp,"UUID="))) {
1129            if (!run_program_and_log_output("mount /boot", 5)) {
1130                strcpy(g_boot_mountpt, "/boot");
1131                mr_msg(1, "Mounted /boot");
1132            } else {
1133                log_it("...ignored cos it's a label or uuid :-)");
1134            }
1135        } else {
1136            mr_asprintf(&command, "mount | grep -E '^%s'", tmp);
1137            mr_msg(3, "command = %s", command);
1138            if (run_program_and_log_output(command, 5)) {
1139                strcpy(g_boot_mountpt, tmp);
1140                mr_asprintf(&tmp1,
1141                        "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1142                        g_boot_mountpt);
1143                log_it(tmp1);
1144                mr_free(tmp1);
1145
1146                mr_asprintf(&tmp1, "mount %s", g_boot_mountpt);
1147                if (run_program_and_log_output(tmp1, 5)) {
1148                    g_boot_mountpt[0] = '\0';
1149                    mr_msg(1, "Plan B");
1150                    if (!run_program_and_log_output("mount /boot", 5)) {
1151                        strcpy(g_boot_mountpt, "/boot");
1152                        mr_msg(1, "Plan B worked");
1153                    } else {
1154                        mr_msg(1,
1155                                "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1156                    }
1157                }
1158                mr_free(tmp1);
1159            }
1160            mr_free(command);
1161        }
1162    }
1163    mr_free(tmp);
1164    mr_msg(1, "Ended sub");
1165}
1166
1167
1168/**
1169 * If we mounted /boot earlier, unmount it.
1170 */
1171void unmount_boot_if_necessary()
1172{
1173    char *tmp;
1174
1175    mr_msg(3, "starting");
1176    if (g_boot_mountpt[0]) {
1177        mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
1178        if (run_program_and_log_output(tmp, 5)) {
1179            log_it("WARNING - unable to unmount /boot");
1180        }
1181        mr_free(tmp);
1182    }
1183    mr_msg(3, "leaving");
1184}
1185
1186
1187/**
1188 * Write a line to a configuration file. Writes a line of the form,
1189 * @c label @c value.
1190 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1191 * @param label What to call this bit of data you're writing.
1192 * @param value The bit of data you're writing.
1193 * @return 0 for success, 1 for failure.
1194 */
1195int write_cfg_var(char *config_file, char *label, char *value)
1196{
1197    /*@ buffers ***************************************************** */
1198    char *command = NULL;
1199    char *tempfile = NULL;
1200    char *tmp = NULL;
1201
1202
1203    /*@ end vars *************************************************** */
1204    assert_string_is_neither_NULL_nor_zerolength(config_file);
1205    assert_string_is_neither_NULL_nor_zerolength(label);
1206    assert(value != NULL);
1207
1208    if (!does_file_exist(config_file)) {
1209        mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1210                 config_file);
1211        log_to_screen(tmp);
1212        mr_free(tmp);
1213        return (1);
1214    }
1215    mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1216    if (does_file_exist(config_file)) {
1217        mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
1218                label, config_file, tempfile);
1219        paranoid_system(command);
1220        mr_free(command);
1221    }
1222    mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1223    paranoid_system(command);
1224    mr_free(command);
1225
1226    mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
1227    paranoid_system(command);
1228    mr_free(command);
1229    unlink(tempfile);
1230    mr_free(tempfile);
1231    return (0);
1232}
1233
1234
1235/**
1236 * Allocate or free important globals, depending on @p mal.
1237 * @param mal If TRUE, malloc; if FALSE, free.
1238 */
1239void do_libmondo_global_strings_thing(int mal)
1240{
1241    if (mal) {
1242        malloc_string(g_boot_mountpt);
1243        malloc_string(g_tmpfs_mountpt);
1244        malloc_string(g_erase_tmpdir_and_scratchdir);
1245        malloc_string(g_serial_string);
1246        malloc_string(g_magicdev_command);
1247    } else {
1248        mr_free(g_boot_mountpt);
1249        mr_free(g_tmpfs_mountpt);
1250        mr_free(g_erase_tmpdir_and_scratchdir);
1251        mr_free(g_serial_string);
1252        mr_free(g_magicdev_command);
1253    }
1254}
1255
1256/**
1257 * Allocate important globals.
1258 * @see do_libmondo_global_strings_thing
1259 */
1260void malloc_libmondo_global_strings(void)
1261{
1262    do_libmondo_global_strings_thing(1);
1263}
1264
1265/**
1266 * Free important globals.
1267 * @see do_libmondo_global_strings_thing
1268 */
1269void free_libmondo_global_strings(void)
1270{
1271    do_libmondo_global_strings_thing(0);
1272}
1273
1274
1275
1276/**
1277 * Stop @c magicdev if it's running.
1278 * The command used to start it is saved in @p g_magicdev_command.
1279 */
1280void stop_magicdev_if_necessary()
1281{
1282    strcpy(g_magicdev_command,
1283           call_program_and_get_last_line_of_output
1284           ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1285    if (g_magicdev_command[0]) {
1286        mr_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1287        paranoid_system("killall magicdev");
1288    }
1289}
1290
1291
1292/**
1293 * Restart magicdev if it was stopped.
1294 */
1295void restart_magicdev_if_necessary()
1296{
1297    char *tmp = NULL;
1298
1299    if (g_magicdev_command && g_magicdev_command[0]) {
1300        mr_asprintf(&tmp, "%s &", g_magicdev_command);
1301        paranoid_system(tmp);
1302        mr_free(tmp);
1303    }
1304}
1305
1306/* @} - end of utilityGroup */
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