source: trunk/mondo/mondo/common/libmondo-tools.c @ 146

Last change on this file since 146 was 146, checked in by bcornec, 14 years ago

MONDO_LOGFILE used each time now
memory management on libmondo-devices.c
some splint improvements

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File size: 38.6 KB
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1/* $Id: libmondo-tools.c 146 2005-12-01 09:00:14Z 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 146 2005-12-01 09:00:14Z 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 ; \
174cat $file.old | awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
175else { print $0;};}' > $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,
193             call_program_and_get_last_line_of_output
194             ("find /usr/lib/ /usr/local/ /usr/share/ /usr/local/share/ /opt/ /ramdisk/usr/share/ -type d -maxdepth 2 -name include -prune -o -type d -maxdepth 2 -path '*/mondo/restore-scripts' -printf '%h\n' 2> /dev/null"));
195
196    if (home_sz[0] == '\0') {
197        paranoid_free(home_sz);
198        asprintf(&home_sz,
199                 call_program_and_get_last_line_of_output
200                 ("find /usr -type d -path '*/mondo/restore-scripts' -follow -maxdepth 3 -printf '%h\n' 2> /dev/null"));
201    }
202    if (home_sz[0] == '\0') {
203        paranoid_free(home_sz);
204        home_sz = NULL;
205    } else {
206        log_it("mondoarchive home found at %s", home_sz);
207    }
208    return (home_sz);
209}
210
211
212char *get_architecture()
213{
214#ifdef __IA32__
215    return ("i386");
216#endif
217#ifdef __X86_64__
218    return ("x86-64");
219#endif
220#ifdef __IA64__
221    return ("ia64");
222#endif
223    return ("unknown");
224}
225
226
227
228double get_kernel_version()
229{
230    char *p, *tmp;
231    double d;
232#ifdef __FreeBSD__
233    // JOSH - FIXME :)
234    d = 5.2;                    // :-)
235#else
236    asprintf(&tmp, call_program_and_get_last_line_of_output("uname -r"));
237    p = strchr(tmp, '.');
238    if (p) {
239        p = strchr(++p, '.');
240        if (p) {
241            while (*p) {
242                *p = *(p + 1);
243                p++;
244            }
245        }
246    }
247//  log_msg(1, "tmp = '%s'", tmp);
248    d = atof(tmp);
249#endif
250    log_msg(1, "g_kernel_version = %f", d);
251    return (d);
252}
253
254
255
256
257
258/**
259 * Get the current time.
260 * @return number of seconds since the epoch.
261 */
262long get_time()
263{
264    return (long) time((void *) 0);
265}
266
267
268
269
270
271
272
273/**
274 * Initialize a RAID volume structure, setting fields to zero. The
275 * actual hard drive is unaffected.
276 *
277 * @param raidrec The RAID volume structure to initialize.
278 * @note This function is system dependent.
279 */
280#ifdef __FreeBSD__
281void initialize_raidrec(struct vinum_volume *raidrec)
282{
283    int i, j;
284    raidrec->volname[0] = '\0';
285    raidrec->plexes = 0;
286    for (i = 0; i < 9; ++i) {
287        raidrec->plex[i].raidlevel = -1;
288        raidrec->plex[i].stripesize = 0;
289        raidrec->plex[i].subdisks = 0;
290        for (j = 0; j < 9; ++j) {
291            strcpy(raidrec->plex[i].sd[j].which_device, "");
292        }
293    }
294}
295#else
296void initialize_raidrec(struct raid_device_record *raidrec)
297{
298    assert(raidrec != NULL);
299    raidrec->raid_device[0] = '\0';
300    raidrec->raid_level = 0;
301    raidrec->chunk_size = 4;
302    raidrec->persistent_superblock = 1;
303    raidrec->data_disks.entries = 0;
304    raidrec->spare_disks.entries = 0;
305    raidrec->parity_disks.entries = 0;
306    raidrec->failed_disks.entries = 0;
307    raidrec->additional_vars.entries = 0;
308}
309#endif
310
311
312
313
314/**
315 * Insert modules that Mondo requires.
316 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
317 * @c msdosfs and @c ext2fs for FreeBSD.
318 */
319void insmod_crucial_modules(void)
320{
321#ifdef __FreeBSD__
322    system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
323    system("kldstat | grep ext2fs  || kldload ext2fs 2> /dev/null");
324#else
325    system("modprobe -a dos fat vfat loop &> /dev/null");
326#endif
327}
328
329
330/**
331 * Finish configuring the backup information structure. Call this function
332 * to set the parameters that depend on those that can be given on the command
333 * line.
334 *
335 * @param bkpinfo The backup information structure. Fields modified/used:
336 * - Used: @c bkpinfo->backup_data
337 * - Used: @c bkpinfo->backup_media_type
338 * - Used: @c bkpinfo->cdrw_speed
339 * - Used: @c bkpinfo->compression_level
340 * - Used: @c bkpinfo->include_paths
341 * - Used: @c bkpinfo->prefix
342 * - Used: @c bkpinfo->isodir
343 * - Used: @c bkpinfo->manual_cd_tray
344 * - Used: @c bkpinfo->make_cd_use_lilo
345 * - Used: @c bkpinfo->media_device
346 * - Used: @c bkpinfo->nfs_mount
347 * - Used: @c bkpinfo->nonbootable_backup
348 * - Used: @c bkpinfo->scratchdir
349 * - Used: @c bkpinfo->tmpdir
350 * - Used: @c bkpinfo->use_lzo
351 * - Modified: @c bkpinfo->call_before_iso
352 * - Modified: @c bkpinfo->call_make_iso
353 * - Modified: @c bkpinfo->optimal_set_size
354 * - Modified: @c bkpinfo->zip_exe
355 * - Modified: @c bkpinfo->zip_suffix
356 *
357 * @return number of errors, or 0 for success.
358 * @note Also creates directories that are specified in the @c bkpinfo structure but
359 * do not exist.
360 */
361int post_param_configuration(struct s_bkpinfo *bkpinfo)
362{
363    char *extra_cdrom_params = NULL;
364    char *mondo_mkisofs_sz = NULL;
365    char *command;
366    char *hostname, *ip_address;
367    int retval = 0;
368    long avm = 0;
369    char *colon;
370    char *cdr_exe;
371    char *tmp;
372    char *tmp1;
373    int rdsiz_MB;
374    char *iso_path;
375
376    assert(bkpinfo != NULL);
377    bkpinfo->optimal_set_size =
378        (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 4 : 8) *
379        1024;
380
381    log_msg(1, "Foo");
382    if (bkpinfo->backup_media_type == tape) {
383        log_msg(1, "Bar");
384        asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
385        log_msg(1, "tmp = '%s'", tmp);
386        if (run_program_and_log_output(tmp, 3)) {
387            fatal_error
388                ("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.");
389        }
390        paranoid_free(tmp);
391    }
392    make_hole_for_dir(bkpinfo->scratchdir);
393    make_hole_for_dir(bkpinfo->tmpdir);
394    if (bkpinfo->backup_media_type == iso)
395        make_hole_for_dir(bkpinfo->isodir);
396
397    run_program_and_log_output("uname -a", 5);
398    run_program_and_log_output("cat /etc/*issue*", 5);
399    asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
400    asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
401    paranoid_system(command);
402    paranoid_free(command);
403    rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
404#ifdef __FreeBSD__
405    asprintf(&tmp,
406             call_program_and_get_last_line_of_output
407             ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
408    avm += atol(tmp);
409    paranoid_free(tmp);
410    asprintf(&tmp,
411             call_program_and_get_last_line_of_output
412             ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
413    avm += atol(tmp);
414    paranoid_free(tmp);
415    asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
416             g_tmpfs_mountpt);
417#else
418    asprintf(&tmp,
419             call_program_and_get_last_line_of_output
420             ("free | grep \":\" | tr -s ' ' '\t' | cut -f2 | head -n1"));
421    avm += atol(tmp);
422    paranoid_free(tmp);
423    asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
424             g_tmpfs_mountpt, rdsiz_MB, 'm');
425    run_program_and_log_output("cat /proc/cpuinfo", 5);
426    /* BERLIOS: rpm is not necessarily there ! */
427    run_program_and_log_output
428        ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
429         5);
430#endif
431    if (avm / 1024 > rdsiz_MB * 3) {
432        if (run_program_and_log_output(command, 5)) {
433            g_tmpfs_mountpt[0] = '\0';
434            log_it("Failed to mount tmpfs");
435        } else {
436            log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
437        }
438    } else {
439        g_tmpfs_mountpt[0] = '\0';
440        log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
441    }
442    paranoid_free(command);
443
444    if (bkpinfo->use_lzo) {
445        strcpy(bkpinfo->zip_exe, "lzop");
446        strcpy(bkpinfo->zip_suffix, "lzo");
447    } else if (bkpinfo->compression_level != 0) {
448        strcpy(bkpinfo->zip_exe, "bzip2");
449        strcpy(bkpinfo->zip_suffix, "bz2");
450    } else {
451        bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
452    }
453
454// DVD
455
456    if (bkpinfo->backup_media_type == dvd) {
457        if (!(find_home_of_exe("growisofs"))) {
458            fatal_error("Please install growisofs.");
459        }
460        if (bkpinfo->nonbootable_backup) {
461            asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
462        } else if
463#ifdef __FreeBSD__
464            (TRUE)
465#else
466            (bkpinfo->make_cd_use_lilo)
467#endif
468#ifdef __IA64__
469    {
470        asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
471    }
472#else
473    {
474        asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
475    }
476#endif
477        else
478        {
479            asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
480        }
481        if (bkpinfo->manual_cd_tray) {
482            fatal_error("Manual CD tray + DVD not supported yet.");
483            // -m isn't supported by growisofs, BTW...
484        } else {
485            sprintf(bkpinfo->call_make_iso,
486                    "%s %s -Z %s . 2>> _ERR_",
487                    mondo_mkisofs_sz, "", bkpinfo->media_device);
488        }
489        paranoid_free(mondo_mkisofs_sz);
490
491        if (getenv("SUDO_COMMAND")) {
492            fatal_error
493                ("Can't write DVDs as sudo because growisofs doesn't support this - please see the growisofs manpage for details.");
494        }
495        log_msg(2, "call_make_iso (DVD res) is ... %s",
496                bkpinfo->call_make_iso);
497    }                           // end of DVD code
498
499// CD-R or CD-RW
500    if (bkpinfo->backup_media_type == cdrw
501        || bkpinfo->backup_media_type == cdr) {
502        if (!bkpinfo->manual_cd_tray) {
503            asprintf(&extra_cdrom_params, "-waiti ");
504        }
505        if (bkpinfo->backup_media_type == cdrw) {
506            if (extra_cdrom_params != NULL) {
507                asprintf(&tmp, extra_cdrom_params);
508                paranoid_free(extra_cdrom_params);
509                asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
510            } else {
511                asprintf(&extra_cdrom_params, "blank=fast ");
512            }
513        }
514        if (find_home_of_exe("cdrecord")) {
515            asprintf(&cdr_exe, "cdrecord");
516        } else if (find_home_of_exe("dvdrecord")) {
517            asprintf(&cdr_exe, "dvdrecord");
518        } else {
519            fatal_error("Please install either cdrecord or dvdrecord.");
520        }
521        if (bkpinfo->nonbootable_backup) {
522            asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
523        } else if
524#ifdef __FreeBSD__
525            (TRUE)
526#else
527            (bkpinfo->make_cd_use_lilo)
528#endif
529#ifdef __IA64__
530    {
531        asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
532    }
533#else
534    {
535        asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
536    }
537#endif
538        else
539        {
540            asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
541        }
542        if (bkpinfo->manual_cd_tray) {
543            sprintf(bkpinfo->call_before_iso,
544                    "%s -o %s/temporary.iso . 2>> _ERR_", mondo_mkisofs_sz,
545                    bkpinfo->tmpdir);
546            sprintf(bkpinfo->call_make_iso,
547                    "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
548                    cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
549                    extra_cdrom_params, bkpinfo->media_device,
550                    bkpinfo->cdrw_speed, bkpinfo->tmpdir);
551        } else {
552            sprintf(bkpinfo->call_make_iso,
553                    "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
554                    mondo_mkisofs_sz, cdr_exe,
555                    (bkpinfo->please_dont_eject) ? " " : "-eject",
556                    extra_cdrom_params, bkpinfo->media_device,
557                    bkpinfo->cdrw_speed);
558        }
559        paranoid_free(mondo_mkisofs_sz);
560        paranoid_free(cdr_exe);
561        paranoid_free(extra_cdrom_params);
562    }                           // end of CD code
563
564    if (bkpinfo->backup_media_type == iso) {
565
566/* Patch by Conor Daly <conor.daly@met.ie>
567 * 23-june-2004
568 * Break up isodir into iso_mnt and iso_path
569 * These will be used along with iso-dev at restore time
570 * to locate the ISOs where ever they're mounted
571 */
572
573        log_it("isodir = %s", bkpinfo->isodir);
574        asprintf(&command, "df %s | tail -n1 | cut -d' ' -f1",
575                 bkpinfo->isodir);
576        log_it("command = %s", command);
577        asprintf(&tmp, call_program_and_get_last_line_of_output(command));
578        paranoid_free(command);
579        log_it("res of it = %s", tmp);
580        asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
581        write_one_liner_data_file(tmp1, tmp);
582        paranoid_free(tmp1);
583
584        asprintf(&command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
585                 tmp);
586        paranoid_free(tmp);
587        log_it("command = %s", command);
588        asprintf(&tmp, call_program_and_get_last_line_of_output(command));
589        paranoid_free(command);
590        log_it("res of it = %s", tmp);
591
592        asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
593        write_one_liner_data_file(tmp1, tmp);
594        paranoid_free(tmp1);
595
596        log_it("isomnt: %s, %d", tmp, strlen(tmp));
597        if (strlen(bkpinfo->isodir) < strlen(tmp)) {
598            asprintf(&iso_path, "");
599        } else {
600            asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
601        }
602        paranoid_free(tmp);
603
604        asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
605        write_one_liner_data_file(tmp, iso_path);
606        paranoid_free(tmp);
607        log_it("isodir: %s", iso_path);
608        paranoid_free(iso_path);
609
610/* End patch */
611    }                           // end of iso code
612
613    if (bkpinfo->backup_media_type == nfs) {
614        asprintf(&hostname, bkpinfo->nfs_mount);
615        colon = strchr(hostname, ':');
616        if (!colon) {
617            log_it("nfs mount doesn't have a colon in it");
618            retval++;
619        } else {
620            struct hostent *hent;
621
622            *colon = '\0';
623            hent = gethostbyname(hostname);
624            if (!hent) {
625                log_it("Can't resolve NFS mount (%s): %s", hostname,
626                       hstrerror(h_errno));
627                retval++;
628            } else {
629                asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
630                                                        *((struct in_addr
631                                                           *) hent->
632                                                          h_addr)),
633                         strchr(bkpinfo->nfs_mount, ':'));
634                strcpy(bkpinfo->nfs_mount, ip_address);
635                paranoid_free(ip_address);
636            }
637        }
638        store_nfs_config(bkpinfo);
639        paranoid_free(hostname);
640    }
641
642    log_it("Finished processing incoming params");
643    if (retval) {
644        fprintf(stderr, "Type 'man mondoarchive' for help.\n");
645    }
646    asprintf(&tmp, "%s", MONDO_TMPISOS);
647    if (does_file_exist(tmp)) {
648        unlink(tmp);
649    }
650    paranoid_free(tmp);
651
652    if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
653        log_it("tmpdir or scratchdir are blank/missing");
654        retval++;
655    }
656    if (bkpinfo->include_paths[0] == '\0') {
657        //      fatal_error ("Why no backup path?");
658        strcpy(bkpinfo->include_paths, "/");
659    }
660    chmod(bkpinfo->scratchdir, 0700);
661    chmod(bkpinfo->tmpdir, 0700);
662    g_backup_media_type = bkpinfo->backup_media_type;
663    return (retval);
664}
665
666
667
668/**
669 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
670 * Seeds the random-number generator, loads important modules, checks the sanity
671 * of the user's Linux distribution, and deletes logfile.
672 * @param bkpinfo The backup information structure. Will be initialized.
673 * @return number of errors (0 for success)
674 */
675int pre_param_configuration(struct s_bkpinfo *bkpinfo)
676{
677    int res = 0;
678
679    make_hole_for_dir(MNT_CDROM);
680    assert(bkpinfo != NULL);
681    srandom((unsigned long) (time(NULL)));
682    insmod_crucial_modules();
683    reset_bkpinfo(bkpinfo);     // also sets defaults ('/'=backup path, 3=compression level)
684    if (bkpinfo->disaster_recovery) {
685        if (!does_nonMS_partition_exist()) {
686            fatal_error
687                ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
688        }
689    }
690
691    unlink(MONDO_TRACEFILE);
692    run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
693    if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
694        fprintf(stderr,
695                "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");
696        res++;
697        return (res);
698    }
699    res += some_basic_system_sanity_checks();
700    if (res) {
701        log_it("Your distribution did not pass Mondo's sanity test.");
702    }
703    g_current_media_number = 1;
704    bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
705    return (res);
706}
707
708
709
710
711/**
712 * Reset all fields of the backup information structure to a sensible default.
713 * @param bkpinfo The @c bkpinfo to reset.
714 */
715void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
716{
717    int i;
718
719    log_msg(1, "Hi");
720    assert(bkpinfo != NULL);
721    memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
722    bkpinfo->manual_cd_tray = FALSE;
723    bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
724    bkpinfo->media_device[0] = '\0';
725    for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
726        bkpinfo->media_size[i] = -1;
727    }
728    bkpinfo->boot_loader = '\0';
729    bkpinfo->boot_device[0] = '\0';
730    bkpinfo->zip_exe[0] = '\0';
731    bkpinfo->zip_suffix[0] = '\0';
732    bkpinfo->restore_path[0] = '\0';
733    bkpinfo->use_lzo = FALSE;
734    bkpinfo->do_not_compress_these[0] = '\0';
735    bkpinfo->verify_data = FALSE;
736    bkpinfo->backup_data = FALSE;
737    bkpinfo->restore_data = FALSE;
738    bkpinfo->disaster_recovery =
739        (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
740    if (bkpinfo->disaster_recovery) {
741        strcpy(bkpinfo->isodir, "/");
742    } else {
743        strcpy(bkpinfo->isodir, "/root/images/mondo");
744    }
745    strcpy(bkpinfo->prefix, "mondorescue");
746
747    bkpinfo->scratchdir[0] = '\0';
748    bkpinfo->make_filelist = TRUE;  // unless -J supplied to mondoarchive
749    sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768));  // for mondorestore
750    bkpinfo->optimal_set_size = 0;
751    bkpinfo->backup_media_type = none;
752    strcpy(bkpinfo->include_paths, "/");
753    bkpinfo->exclude_paths[0] = '\0';
754    bkpinfo->call_before_iso[0] = '\0';
755    bkpinfo->call_make_iso[0] = '\0';
756    bkpinfo->call_burn_iso[0] = '\0';
757    bkpinfo->call_after_iso[0] = '\0';
758    bkpinfo->image_devs[0] = '\0';
759    bkpinfo->postnuke_tarball[0] = '\0';
760    bkpinfo->kernel_path[0] = '\0';
761    bkpinfo->nfs_mount[0] = '\0';
762    bkpinfo->nfs_remote_dir[0] = '\0';
763    bkpinfo->wipe_media_first = FALSE;
764    bkpinfo->differential = FALSE;
765    bkpinfo->cdrw_speed = 0;
766// patch by Herman Kuster 
767    bkpinfo->differential = 0;
768// patch end
769    bkpinfo->compression_level = 3;
770}
771
772
773
774
775/**
776 * Get the remaining free space (in MB) on @p partition.
777 * @param partition The partition to check free space on (either a device or a mountpoint).
778 * @return The free space on @p partition, in MB.
779 */
780long free_space_on_given_partition(char *partition)
781{
782    char *command, *out_sz;
783    long res;
784
785    assert_string_is_neither_NULL_nor_zerolength(partition);
786
787    asprintf(&command, "df -m %s &> /dev/null", partition);
788    if (system(command)) {
789        return (-1);
790    }                           // partition does not exist
791    paranoid_free(command);
792
793    asprintf(&command, "df -m %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
794             partition);
795    asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
796    paranoid_free(command);
797    if (strlen(out_sz) == 0) {
798        return (-1);
799    }                           // error within df, probably
800    res = atol(out_sz);
801    paranoid_free(out_sz);
802    return (res);
803}
804
805
806
807/**
808 * Check the user's system for sanity. Checks performed:
809 * - make sure user has enough RAM (32mb required, 64mb recommended)
810 * - make sure user has enough free space in @c /
811 * - check kernel for ramdisk support
812 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
813 * - make sure CD-ROM is unmounted
814 * - make sure /etc/modules.conf exists
815 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
816 *
817 * @return number of problems with the user's setup (0 for success)
818 */
819int some_basic_system_sanity_checks()
820{
821
822    /*@ buffers ************ */
823    char *tmp;
824
825    /*@ int's *************** */
826    int retval = 0;
827    long Lres;
828
829
830    mvaddstr_and_log_it(g_currentY, 0,
831                        "Checking sanity of your Linux distribution");
832#ifndef __FreeBSD__
833    if (system("which mkfs.vfat &> /dev/null")
834        && !system("which mkfs.msdos &> /dev/null")) {
835        log_it
836            ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
837        run_program_and_log_output
838            ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
839    }
840    asprintf(&tmp,
841             call_program_and_get_last_line_of_output
842             ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
843    if (atol(tmp) < 35000) {
844        retval++;
845        log_to_screen("You must have at least 32MB of RAM to use Mondo.");
846    }
847    if (atol(tmp) < 66000) {
848        log_to_screen
849            ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
850    }
851    paranoid_free(tmp);
852#endif
853
854    if ((Lres = free_space_on_given_partition("/root")) == -1) {
855        Lres = free_space_on_given_partition("/");
856    }
857    log_it("Free space on given partition = %ld MB", Lres);
858
859    if (Lres < 50) {
860        run_program_and_log_output
861            ("rm -Rf /root/images/mindi; mkdir -p /home/root/images/mindi; mkdir -p /root/images; ln -sf /home/root/images/mindi /root/images/mindi",
862             3);
863        //      fatal_error("Your / (or /root) partition has <50MB free. Please adjust your partition table to something saner.");
864    }
865
866    if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
867        retval++;
868        log_to_screen
869            ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
870        fatal_error
871            ("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. :)");
872    }
873#ifndef __FreeBSD__
874    if (run_program_and_log_output
875        ("cat /proc/devices | grep ramdisk", FALSE)) {
876        if (!ask_me_yes_or_no
877            ("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?"))
878        {
879            //          retval++;
880            log_to_screen
881                ("It looks as if your kernel lacks ramdisk and initrd support.");
882            log_to_screen
883                ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
884        }
885    }
886#endif
887    retval += whine_if_not_found(MKE2FS_OR_NEWFS);
888    retval += whine_if_not_found("mkisofs");
889    if (system("which dvdrecord > /dev/null 2> /dev/null")) {
890        retval += whine_if_not_found("cdrecord");
891    }
892    retval += whine_if_not_found("bzip2");
893    retval += whine_if_not_found("awk");
894    retval += whine_if_not_found("md5sum");
895    retval += whine_if_not_found("strings");
896    retval += whine_if_not_found("mindi");
897    retval += whine_if_not_found("buffer");
898
899    // abort if Windows partition but no ms-sys and parted
900    if (!run_program_and_log_output
901        ("mount | grep -w vfat | grep -v /dev/fd | grep -v nexdisk", 0)
902        ||
903        !run_program_and_log_output
904        ("mount | grep -w dos | grep -v /dev/fd | grep -v nexdisk", 0)) {
905        log_to_screen("I think you have a Windows 9x partition.");
906        retval += whine_if_not_found("parted");
907#ifndef __IA64__
908        /* IA64 always has one vfat partition for EFI even without Windows */
909        // retval +=
910        if (!find_home_of_exe("ms-sys")) {
911            log_to_screen("Please install ms-sys just in case.");
912        }
913#endif
914    }
915
916    if (!find_home_of_exe("cmp")) {
917        if (!find_home_of_exe("true")) {
918            whine_if_not_found("cmp");
919        } else {
920            log_to_screen
921                ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
922            if (run_program_and_log_output
923                ("cp -f `which true` /usr/bin/cmp", 0)) {
924                fatal_error("Failed to create dummy 'cmp' file.");
925            }
926        }
927    }
928    run_program_and_log_output
929        ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
930    asprintf(&tmp,
931             call_program_and_get_last_line_of_output
932             ("mount | grep -E \"cdr(om|w)\""));
933    if (strcmp("", tmp)) {
934        if (strstr(tmp, "autofs")) {
935            log_to_screen
936                ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
937            log_to_screen
938                ("if a CD actually is inserted. If a CD is inserted, please");
939            log_to_screen("eject it. Thank you.");
940            log_it
941                ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
942        } else
943            if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
944            retval++;
945            fatal_error
946                ("Your CD-ROM drive is mounted. Please unmount it.");
947        }
948    }
949    paranoid_free(tmp);
950#ifndef __FreeBSD__
951    if (!does_file_exist("/etc/modules.conf")) {
952        if (does_file_exist("/etc/conf.modules")) {
953            log_it("Linking /etc/modules.conf to /etc/conf.modules");
954            run_program_and_log_output
955                ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
956        } else if (does_file_exist("/etc/modprobe.d")) {
957            log_it
958                ("Directory /etc/modprobe.d found. mindi will use its contents.");
959        } else if (does_file_exist("/etc/modprobe.conf")) {
960            log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
961            run_program_and_log_output
962                ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
963        } else {
964            retval++;
965            log_to_screen
966                ("Please find out what happened to /etc/modules.conf");
967        }
968    }
969#endif
970
971    run_program_and_log_output("cat /etc/fstab", 5);
972#ifdef __FreeBSD__
973    run_program_and_log_output("vinum printconfig", 5);
974#else
975    run_program_and_log_output("cat /etc/raidtab", 5);
976#endif
977
978    if (run_program_and_log_output("mindi -V", 1)) {
979        log_to_screen("Could not ascertain mindi's version number.");
980        log_to_screen
981            ("You have not installed Mondo and/or Mindi properly.");
982        log_to_screen("Please uninstall and reinstall them both.");
983        fatal_error("Please reinstall Mondo and Mindi.");
984    }
985    if (run_program_and_log_output
986        ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
987        log_to_screen
988            ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
989        log_to_screen
990            ("Please run that command by hand and examine /var/log/mindi.log");
991        log_to_screen
992            ("for more information. Perhaps your /etc/fstab file is insane.");
993        log_to_screen
994            ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
995        retval++;
996    }
997
998    if (!run_program_and_log_output("fdisk -l | grep -i raid", 1)
999        && !does_file_exist("/etc/raidtab")) {
1000        log_to_screen
1001            ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1002        create_raidtab_from_mdstat("/etc/raidtab", "/proc/mdstat");
1003    }
1004
1005    if (retval) {
1006        mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1007    } else {
1008        mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1009    }
1010    return (retval);
1011}
1012
1013/**
1014 * Retrieve the line containing @p label from the config file.
1015 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1016 * @param label What to read from the file.
1017 * @param value Where to put it.
1018 * @return 0 for success, 1 for failure.
1019 */
1020int read_cfg_var(char *config_file, char *label, char *value)
1021{
1022    /*@ buffer ****************************************************** */
1023    char *command;
1024    char *tmp;
1025
1026    /*@ end vars *************************************************** */
1027
1028    assert_string_is_neither_NULL_nor_zerolength(config_file);
1029    assert_string_is_neither_NULL_nor_zerolength(label);
1030    if (!does_file_exist(config_file)) {
1031        asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
1032                 config_file);
1033        log_to_screen(tmp);
1034        paranoid_free(tmp);
1035        value[0] = '\0';
1036        return (1);
1037    } else if (strstr(value, "/dev/") && strstr(value, "t0")
1038               && !strcmp(label, "media-dev")) {
1039        log_msg(2, "FYI, I shan't read new value for %s - already got %s",
1040                label, value);
1041        return (0);
1042    } else {
1043        asprintf(&command, "cat %s | grep \"%s .*\" | cut -d' ' -f2,3,4,5",
1044                 config_file, label);
1045        strcpy(value, call_program_and_get_last_line_of_output(command));
1046        paranoid_free(command);
1047        if (strlen(value) == 0) {
1048            return (1);
1049        } else {
1050            return (0);
1051        }
1052    }
1053}
1054
1055
1056
1057/**
1058 * Remount @c supermount if it was unmounted earlier.
1059 */
1060void remount_supermounts_if_necessary()
1061{
1062    if (g_remount_cdrom_at_end) {
1063        run_program_and_log_output("mount " MNT_CDROM, FALSE);
1064    }
1065    if (g_remount_floppy_at_end) {
1066        run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1067    }
1068}
1069
1070/**
1071 * Unmount @c supermount if it's mounted.
1072 */
1073void unmount_supermounts_if_necessary()
1074{
1075    if (run_program_and_log_output
1076        ("mount | grep cdrom | grep super", FALSE) == 0) {
1077        g_remount_cdrom_at_end = TRUE;
1078        run_program_and_log_output("umount " MNT_CDROM, FALSE);
1079    }
1080    if (run_program_and_log_output
1081        ("mount | grep floppy | grep super", FALSE) == 0) {
1082        g_remount_floppy_at_end = TRUE;
1083        run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1084    }
1085}
1086
1087/**
1088 * Whether we had to stop autofs (if so, restart it at end).
1089 */
1090bool g_autofs_stopped = FALSE;
1091
1092/**
1093 * Path to the autofs initscript ("" if none exists).
1094 */
1095char g_autofs_exe[MAX_STR_LEN];
1096
1097/**
1098 * Autofs initscript in Xandros Linux distribution.
1099 */
1100#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1101
1102/**
1103 * Autofs initscript in most Linux distributions.
1104 */
1105#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1106
1107/**
1108 * If autofs is mounted, stop it (restart at end).
1109 */
1110void stop_autofs_if_necessary()
1111{
1112    char *tmp;
1113
1114    g_autofs_exe[0] = '\0';
1115    if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1116        strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1117    } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1118        strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1119    }
1120
1121    if (!g_autofs_exe[0]) {
1122        log_msg(3, "No autofs detected.");
1123    } else {
1124        log_msg(3, "%s --- autofs detected", g_autofs_exe);
1125// FIXME -- only disable it if it's running ---  sprintf(tmp, "%s status", autofs_exe);
1126        asprintf(&tmp, "%s stop", g_autofs_exe);
1127        if (run_program_and_log_output(tmp, 2)) {
1128            log_it("Failed to stop autofs - I assume it wasn't running");
1129        } else {
1130            g_autofs_stopped = TRUE;
1131            log_it("Stopped autofs OK");
1132        }
1133        paranoid_free(tmp);
1134    }
1135}
1136
1137/**
1138 * If autofs was stopped earlier, restart it.
1139 */
1140void restart_autofs_if_necessary()
1141{
1142    char *tmp;
1143
1144    if (!g_autofs_stopped || !g_autofs_exe[0]) {
1145        log_msg(3, "No autofs detected.");
1146        return;
1147    }
1148    asprintf(&tmp, "%s start", g_autofs_exe);
1149    if (run_program_and_log_output(tmp, 2)) {
1150        log_it("Failed to start autofs");
1151    } else {
1152        g_autofs_stopped = FALSE;
1153        log_it("Started autofs OK");
1154    }
1155    paranoid_free(tmp);
1156}
1157
1158
1159/**
1160 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1161 */
1162void mount_boot_if_necessary()
1163{
1164    char *tmp;
1165    char *tmp1;
1166    char *command;
1167
1168    log_msg(1, "Started sub");
1169    log_msg(4, "About to set g_boot_mountpt to \"\"");
1170    asprintf(&g_boot_mountpt, "");
1171    log_msg(4, "Done. Great. Seeting command to something");
1172    asprintf(&command,
1173             "cat /etc/fstab | grep -v \":\" | grep -vx \"#.*\" | grep -w \"/boot\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1174    log_msg(4, "Cool. Command = '%s'", command);
1175    asprintf(&tmp, call_program_and_get_last_line_of_output(command));
1176    paranoid_free(command);
1177
1178    log_msg(4, "tmp = '%s'", tmp);
1179    if (tmp[0]) {
1180        log_it("/boot is at %s according to /etc/fstab", tmp);
1181        if (strstr(tmp, "LABEL=")) {
1182            if (!run_program_and_log_output("mount /boot", 5)) {
1183                paranoid_free(g_boot_mountpt);
1184                asprintf(&g_boot_mountpt, "/boot");
1185                log_msg(1, "Mounted /boot");
1186            } else {
1187                log_it("...ignored cos it's a label :-)");
1188            }
1189        } else {
1190            asprintf(&command, "mount | grep -w \"%s\"", tmp);
1191            log_msg(3, "command = %s", command);
1192            if (run_program_and_log_output(command, 5)) {
1193                paranoid_free(g_boot_mountpt);
1194                asprintf(&g_boot_mountpt, tmp);
1195                asprintf(&tmp1,
1196                         "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1197                         g_boot_mountpt);
1198                log_it(tmp1);
1199                paranoid_free(tmp1);
1200
1201                asprintf(&tmp1, "mount %s", g_boot_mountpt);
1202                if (run_program_and_log_output(tmp1, 5)) {
1203                    paranoid_free(g_boot_mountpt);
1204                    asprintf(&g_boot_mountpt, "");
1205                    log_msg(1, "Plan B");
1206                    if (!run_program_and_log_output("mount /boot", 5)) {
1207                        paranoid_free(g_boot_mountpt);
1208                        asprintf(&g_boot_mountpt, "/boot");
1209                        log_msg(1, "Plan B worked");
1210                    } else {
1211                        log_msg(1,
1212                                "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1213                    }
1214                }
1215                paranoid_free(tmp1);
1216            }
1217            paranoid_free(command);
1218        }
1219    }
1220    paranoid_free(tmp);
1221    log_msg(1, "Ended sub");
1222}
1223
1224
1225/**
1226 * If we mounted /boot earlier, unmount it.
1227 */
1228void unmount_boot_if_necessary()
1229{
1230    char *tmp;
1231
1232    log_msg(3, "starting");
1233    if (g_boot_mountpt[0]) {
1234        asprintf(&tmp, "umount %s", g_boot_mountpt);
1235        if (run_program_and_log_output(tmp, 5)) {
1236            log_it("WARNING - unable to unmount /boot");
1237        }
1238        paranoid_free(tmp);
1239    }
1240    log_msg(3, "leaving");
1241}
1242
1243
1244
1245/**
1246 * Write a line to a configuration file. Writes a line of the form,
1247 * @c label @c value.
1248 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1249 * @param label What to call this bit of data you're writing.
1250 * @param value The bit of data you're writing.
1251 * @return 0 for success, 1 for failure.
1252 */
1253int write_cfg_var(char *config_file, char *label, char *value)
1254{
1255    /*@ buffers ***************************************************** */
1256    char *command;
1257    char *tempfile;
1258    char *tmp;
1259
1260
1261    /*@ end vars *************************************************** */
1262    assert_string_is_neither_NULL_nor_zerolength(config_file);
1263    assert_string_is_neither_NULL_nor_zerolength(label);
1264    assert(value != NULL);
1265
1266    if (!does_file_exist(config_file)) {
1267        asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
1268                 config_file);
1269        log_to_screen(tmp);
1270        paranoid_free(tmp);
1271        return (1);
1272    }
1273    asprintf(&tempfile,
1274             call_program_and_get_last_line_of_output
1275             ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1276    if (does_file_exist(config_file)) {
1277        asprintf(&command, "cat %s | grep -vx \"%s .*\" > %s", config_file,
1278                 label, tempfile);
1279        paranoid_system(command);
1280        paranoid_free(command);
1281    }
1282    asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
1283    paranoid_system(command);
1284    paranoid_free(command);
1285
1286    asprintf(&command, "mv -f %s %s", tempfile, config_file);
1287    paranoid_system(command);
1288    paranoid_free(command);
1289    unlink(tempfile);
1290    paranoid_free(tempfile);
1291    return (0);
1292}
1293
1294
1295/**
1296 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1297 * information to the logfile.
1298 */
1299void standard_log_debug_msg(int debug_level, const char *szFile,
1300                            const char *szFunction, int nLine,
1301                            const char *fmt, ...)
1302{
1303    va_list args;
1304    int i;
1305    static int depth = 0;
1306    FILE *fout;
1307
1308    if (depth > 5) {
1309        depth--;
1310        return;
1311    }
1312    depth++;
1313
1314    if (debug_level <= g_loglevel) {
1315        va_start(args, fmt);
1316        if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1317            return;
1318        }                       // fatal_error("Failed to openout to logfile - sheesh..."); }
1319
1320        // add tabs to distinguish log levels
1321        if (debug_level > 0) {
1322            for (i = 1; i < debug_level; i++)
1323                fprintf(fout, "\t");
1324            if (getpid() == g_main_pid)
1325                fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1326                        nLine);
1327            else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1328                fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1329                        nLine);
1330            else
1331                fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1332                        szFunction, nLine);
1333        }
1334        vfprintf(fout, fmt, args);
1335
1336        // do not slow down the progran if standard debug level
1337        // must be enabled: if no flush, the log won't be up-to-date if there
1338        // is a segfault
1339        //if (g_dwDebugLevel != 1)
1340
1341        va_end(args);
1342        fprintf(fout, "\n");
1343        paranoid_fclose(fout);
1344    }
1345    depth--;
1346}
1347
1348/**
1349 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1350 */
1351void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1352                       ...) = standard_log_debug_msg;
1353
1354
1355/**
1356 * Allocate or free important globals, depending on @p mal.
1357 * @param mal If TRUE, malloc; if FALSE, free.
1358 */
1359void do_libmondo_global_strings_thing(int mal)
1360{
1361    if (mal) {
1362        iamhere("Malloc'ing globals");
1363        malloc_string(g_erase_tmpdir_and_scratchdir);
1364        malloc_string(g_serial_string);
1365        malloc_string(g_magicdev_command);
1366    } else {
1367        iamhere("Freeing globals");
1368        paranoid_free(g_boot_mountpt);
1369        paranoid_free(g_mondo_home);
1370        paranoid_free(g_tmpfs_mountpt);
1371        paranoid_free(g_erase_tmpdir_and_scratchdir);
1372        paranoid_free(g_serial_string);
1373        paranoid_free(g_magicdev_command);
1374    }
1375}
1376
1377/**
1378 * Allocate important globals.
1379 * @see do_libmondo_global_strings_thing
1380 */
1381void malloc_libmondo_global_strings(void)
1382{
1383    do_libmondo_global_strings_thing(1);
1384}
1385
1386/**
1387 * Free important globals.
1388 * @see do_libmondo_global_strings_thing
1389 */
1390void free_libmondo_global_strings(void)
1391{
1392    do_libmondo_global_strings_thing(0);
1393}
1394
1395
1396
1397/**
1398 * Stop @c magicdev if it's running.
1399 * The command used to start it is saved in @p g_magicdev_command.
1400 */
1401void stop_magicdev_if_necessary()
1402{
1403    strcpy(g_magicdev_command,
1404           call_program_and_get_last_line_of_output
1405           ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1406    if (g_magicdev_command[0]) {
1407        log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1408        paranoid_system("killall magicdev");
1409    }
1410}
1411
1412
1413/**
1414 * Restart magicdev if it was stopped.
1415 */
1416void restart_magicdev_if_necessary()
1417{
1418    char *tmp;
1419
1420    if (g_magicdev_command && g_magicdev_command[0]) {
1421        asprintf(&tmp, "%s &", g_magicdev_command);
1422        paranoid_system(tmp);
1423        paranoid_free(tmp);
1424    }
1425}
1426
1427/* @} - end of utilityGroup */
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