source: branches/stable/mondo/src/common/libmondo-tools.c @ 1107

Last change on this file since 1107 was 1107, checked in by bruno, 12 years ago

log_msg => mr_msg for common files

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[1]1/* libmondo-tools.c                                  misc tools
[99]2   $Id: libmondo-tools.c 1107 2007-02-07 23:09:34Z bruno $
[1]3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
[1080]12#include "mr_mem.h"
[1087]13#include "mr_file.h"
[1095]14
[1]15#include "mondostructures.h"
[541]16#include "lib-common-externs.h"
[1]17#include "libmondo-tools.h"
[541]18#include "libmondo-gui-EXT.h"
[1]19#include "libmondo-files-EXT.h"
20#include "libmondo-fork-EXT.h"
21#include "libmondo-raid-EXT.h"
22#include <sys/socket.h>
23#include <netdb.h>
24#include <netinet/in.h>
25#include <arpa/inet.h>
26
27/*@unused@*/
[99]28//static char cvsid[] = "$Id: libmondo-tools.c 1107 2007-02-07 23:09:34Z bruno $";
[1]29
30extern int g_tape_buffer_size_MB;
31extern char *g_erase_tmpdir_and_scratchdir;
32extern char *g_serial_string;
33extern bool g_text_mode;
34extern int g_currentY;
35extern int g_current_media_number;
36
37/**
38 * @addtogroup globalGroup
39 * @{
40 */
[128]41bool g_remount_cdrom_at_end,    ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
42 g_remount_floppy_at_end;       ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
43bool g_cd_recovery;             ///< TRUE if we're making an "autonuke" backup.
[1]44double g_kernel_version;
45
46/**
47 * The place where /boot is mounted.
48 */
[128]49char *g_boot_mountpt = NULL;
[1]50
51/**
52 * The location of Mondo's home directory.
53 */
[128]54char *g_mondo_home = NULL;
[1]55
56/**
57 * The serial string (used to differentiate between backups) of the current backup.
58 */
[128]59char *g_serial_string = NULL;
[1]60
61/**
62 * The location where tmpfs is mounted, or "" if it's not mounted.
63 */
[128]64char *g_tmpfs_mountpt = NULL;
65char *g_magicdev_command = NULL;
[1]66
67/**
68 * The default maximum level to log messages at or below.
69 */
[128]70int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]71
72/* @} - end of globalGroup */
73
74
75extern pid_t g_buffer_pid;
76extern pid_t g_main_pid;
77
78extern t_bkptype g_backup_media_type;
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 */
[128]97void _mondo_assert_fail(const char *file,
98                        const char *function, int line, const char *exp)
[1]99{
[128]100    static int ignoring_assertions = 0;
101    bool is_valid = TRUE;
[1]102
[128]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    }
[1]109#ifndef _XWIN
[128]110    if (!g_text_mode)
111        newtSuspend();
[1]112#endif
[541]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? ");
[128]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")
[1]127#ifdef __IA32__
[128]128            __asm__ __volatile__("int $3"); // break to debugger
[1]129#endif
[128]130            break;
131        case 'E':               // (E)xit
132            fatal_error("Failed assertion -- see above for details");
133            break;              /* "can't get here" */
134        case 'I':               // (I)gnore
135            break;
136            /* These next two work as follows:
137               the `default' catches the user's invalid choice and says so;
138               the '\n' catches the newline on the end and prints the prompt again.
139             */
140        case '\n':
141            printf
[541]142                ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]143            break;
144        default:
145            is_valid = FALSE;
[541]146            printf("Invalid choice.\n");
[128]147            break;
148        }
149    } while (!is_valid);
150
151    if (ignoring_assertions) {
152        log_it("Ignoring ALL assertions from now on.");
153    } else {
154        log_it("Ignoring assertion: %s", exp);
[1]155    }
156
[128]157    getchar();                  // skip \n
[1]158
159#ifndef _XWIN
[128]160    if (!g_text_mode)
161        newtResume();
[1]162#endif
163}
164
165/**
166 * Clean's up users' KDE desktops.
167 * @bug Details about this function are unknown.
168 */
169void clean_up_KDE_desktop_if_necessary(void)
170{
[128]171    char *tmp;
[1]172
[128]173    malloc_string(tmp);
174    strcpy(tmp,
175           "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]176file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[273]177awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[275]178else { print $0;};}' $file.old  > $file ; fi ; done");
[128]179    run_program_and_log_output(tmp, 5);
[1080]180    mr_free(tmp);
[1]181}
182
183
184/**
[1061]185 * Locate mondoarchive's home directory. Searches in /usr/share/mondo,
[1]186 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
187 *
188 * @param home_sz String to store the home directory ("" if it could not be found).
189 * @return 0 for success, nonzero for failure.
190 */
191int find_and_store_mondoarchives_home(char *home_sz)
192{
[128]193    assert(home_sz != NULL);
[424]194    strcpy(home_sz, MONDO_SHARE);
[182]195    return (0);
[1]196}
197
198
199char *get_architecture()
200{
201#ifdef __IA32__
[128]202    return ("i386");
[1]203#endif
204#ifdef __IA64__
[128]205    return ("ia64");
[1]206#endif
[128]207    return ("unknown");
[1]208}
209
210
211
212double get_kernel_version()
213{
[128]214    char *p, tmp[200];
215    double d;
[1]216#ifdef __FreeBSD__
[128]217    // JOSH - FIXME :)
218    d = 5.2;                    // :-)
[1]219#else
[128]220    strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
221    p = strchr(tmp, '.');
222    if (p) {
223        p = strchr(++p, '.');
224        if (p) {
225            while (*p) {
226                *p = *(p + 1);
227                p++;
228            }
229        }
230    }
[1107]231//  mr_msg(1, "tmp = '%s'", tmp);
[128]232    d = atof(tmp);
[1]233#endif
[1107]234    mr_msg(1, "g_kernel_version = %f", d);
[128]235    return (d);
[1]236}
237
238
239
240
241
242/**
243 * Get the current time.
244 * @return number of seconds since the epoch.
245 */
[128]246long get_time()
[1]247{
[128]248    return (long) time((void *) 0);
[1]249}
250
251
252
253
254
255
256
257/**
258 * Initialize a RAID volume structure, setting fields to zero. The
259 * actual hard drive is unaffected.
260 *
261 * @param raidrec The RAID volume structure to initialize.
262 * @note This function is system dependent.
263 */
264#ifdef __FreeBSD__
[128]265void initialize_raidrec(struct vinum_volume *raidrec)
[1]266{
[128]267    int i, j;
268    raidrec->volname[0] = '\0';
269    raidrec->plexes = 0;
270    for (i = 0; i < 9; ++i) {
271        raidrec->plex[i].raidlevel = -1;
272        raidrec->plex[i].stripesize = 0;
273        raidrec->plex[i].subdisks = 0;
274        for (j = 0; j < 9; ++j) {
275            strcpy(raidrec->plex[i].sd[j].which_device, "");
276        }
277    }
[1]278}
279#else
[128]280void initialize_raidrec(struct raid_device_record *raidrec)
[1]281{
[128]282    assert(raidrec != NULL);
283    raidrec->raid_device[0] = '\0';
[558]284    raidrec->raid_level = -9;
[128]285    raidrec->persistent_superblock = 1;
[558]286    raidrec->chunk_size = 64;
287    raidrec->parity = -1;
[128]288    raidrec->data_disks.entries = 0;
289    raidrec->spare_disks.entries = 0;
290    raidrec->parity_disks.entries = 0;
291    raidrec->failed_disks.entries = 0;
292    raidrec->additional_vars.entries = 0;
[1]293}
294#endif
295
296
297
298
299/**
300 * Insert modules that Mondo requires.
301 * Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
302 * @c msdosfs and @c ext2fs for FreeBSD.
303 */
304void insmod_crucial_modules(void)
305{
306#ifdef __FreeBSD__
[128]307    system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
308    system("kldstat | grep ext2fs  || kldload ext2fs 2> /dev/null");
[1]309#else
[128]310    system("modprobe dos &> /dev/null");
311    system("modprobe fat &> /dev/null");
312    system("modprobe vfat &> /dev/null");
313    //  system("modprobe osst &> /dev/null");
[1]314#endif
315}
316
317
318/**
[541]319 * Log a trace message to the trace file.
320 * @bug This function seems orphaned. Please remove.
321 */
322void log_trace(char *o)
323{
324    /*@ pointers **************************************************** */
325    FILE *fout;
326
327    /*@ buffers ***************************************************** */
328    char output[MAX_STR_LEN];
329
330    /*@ int    ****************************************************** */
331    int i;
332
333    /*@ end vars *************************************************** */
334
335    if (o[0] == '\0') {
336        return;
337    }
338    strcpy(output, o);
339    i = (int) strlen(output);
340    if (i <= 0) {
341        return;
342    }
343    if (output[i - 1] < 32) {
344        output[i - 1] = '\0';
345    }
346    if (g_text_mode
347        /* && !strstr(last_line_of_file(MONDO_LOGFILE),output) */ ) {
348        printf("%s\n", output);
349    }
350
351    fout = fopen(MONDO_TRACEFILE, "a");
352    if (fout) {
353        fprintf(fout, "%s\n", output);
354        paranoid_fclose(fout);
355    } else {
356        log_OS_error("Cannot write to tracefile");
357    }
358}
359
360
361
362
363
364/**
[1]365 * Finish configuring the backup information structure. Call this function
366 * to set the parameters that depend on those that can be given on the command
367 * line.
368 *
369 * @param bkpinfo The backup information structure. Fields modified/used:
370 * - Used: @c bkpinfo->backup_data
371 * - Used: @c bkpinfo->backup_media_type
372 * - Used: @c bkpinfo->cdrw_speed
373 * - Used: @c bkpinfo->compression_level
374 * - Used: @c bkpinfo->include_paths
[20]375 * - Used: @c bkpinfo->prefix
[1]376 * - Used: @c bkpinfo->isodir
377 * - Used: @c bkpinfo->manual_cd_tray
378 * - Used: @c bkpinfo->make_cd_use_lilo
379 * - Used: @c bkpinfo->media_device
380 * - Used: @c bkpinfo->nfs_mount
381 * - Used: @c bkpinfo->nonbootable_backup
382 * - Used: @c bkpinfo->scratchdir
383 * - Used: @c bkpinfo->tmpdir
384 * - Used: @c bkpinfo->use_lzo
385 * - Modified: @c bkpinfo->call_before_iso
386 * - Modified: @c bkpinfo->call_make_iso
387 * - Modified: @c bkpinfo->optimal_set_size
388 * - Modified: @c bkpinfo->zip_exe
389 * - Modified: @c bkpinfo->zip_suffix
390 *
391 * @return number of errors, or 0 for success.
392 * @note Also creates directories that are specified in the @c bkpinfo structure but
393 * do not exist.
394 */
[128]395int post_param_configuration(struct s_bkpinfo *bkpinfo)
[1]396{
[128]397    char *extra_cdrom_params;
398    char *mondo_mkisofs_sz;
399    char *command;
400    char *mtpt;
401    char *hostname, *ip_address;
402    int retval = 0;
403    long avm = 0;
404    char *colon;
405    char *cdr_exe;
406    char *tmp;
[163]407    char call_before_iso_user[MAX_STR_LEN] = "\0";
[128]408    int rdsiz_MB;
409    char *iso_dev;
410    char *iso_mnt;
411    char *iso_tmp;
412    char *iso_path;
[1087]413    FILE *fd1 = NULL;
[1]414
[128]415    assert(bkpinfo != NULL);
416    malloc_string(extra_cdrom_params);
417    malloc_string(mondo_mkisofs_sz);
418    malloc_string(command);
419    malloc_string(mtpt);
420    malloc_string(hostname);
421    malloc_string(ip_address);
422    malloc_string(cdr_exe);
423    malloc_string(tmp);
424    malloc_string(iso_dev);
425    malloc_string(iso_mnt);
426    malloc_string(iso_tmp);
427    malloc_string(iso_path);
428    bkpinfo->optimal_set_size =
[686]429        (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[128]430        1024;
[1]431
[1107]432    mr_msg(1, "Foo");
[128]433    if (bkpinfo->backup_media_type == tape) {
[1107]434        mr_msg(1, "Bar");
[128]435        sprintf(tmp, "mt -f %s status", bkpinfo->media_device);
[1107]436        mr_msg(1, "tmp = '%s'", tmp);
[128]437        if (run_program_and_log_output(tmp, 3)) {
438            fatal_error
439                ("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.");
440        }
[1]441    }
[128]442    make_hole_for_dir(bkpinfo->scratchdir);
443    make_hole_for_dir(bkpinfo->tmpdir);
444    if (bkpinfo->backup_media_type == iso)
445        make_hole_for_dir(bkpinfo->isodir);
[1]446
[128]447    run_program_and_log_output("uname -a", 5);
[678]448    run_program_and_log_output("cat /etc/*-release", 5);
[128]449    run_program_and_log_output("cat /etc/*issue*", 5);
450    sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
451    sprintf(command, "mkdir -p %s", g_tmpfs_mountpt);
452    paranoid_system(command);
453    rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
[1]454#ifdef __FreeBSD__
[128]455    strcpy(tmp,
456           call_program_and_get_last_line_of_output
457           ("vmstat | tail -1 | tr -s ' ' | cut -d' ' -f6"));
458    avm += atol(tmp);
459    strcpy(tmp,
460           call_program_and_get_last_line_of_output
461           ("swapinfo | grep -v Device | tr -s ' ' | cut -d' ' -f4 | tr '\n' '+' | sed 's/+$//' | bc"));
462    avm += atol(tmp);
463    sprintf(command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
464            g_tmpfs_mountpt);
[1]465#else
[128]466    strcpy(tmp,
467           call_program_and_get_last_line_of_output
[911]468           ("free | grep ':' | tr -s ' ' '\t' | cut -f2 | head -n1"));
[128]469    avm += atol(tmp);
470    sprintf(command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
471            g_tmpfs_mountpt, rdsiz_MB, 'm');
472    run_program_and_log_output("cat /proc/cpuinfo", 5);
473    run_program_and_log_output
474        ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
475         5);
[1]476#endif
[128]477    if (avm / 1024 > rdsiz_MB * 3) {
478        if (run_program_and_log_output(command, 5)) {
479            g_tmpfs_mountpt[0] = '\0';
480            log_it("Failed to mount tmpfs");
481        } else {
482            log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
483        }
484    } else {
485        g_tmpfs_mountpt[0] = '\0';
486        log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
[1]487    }
[128]488
489    if (bkpinfo->use_lzo) {
490        strcpy(bkpinfo->zip_exe, "lzop");
491        strcpy(bkpinfo->zip_suffix, "lzo");
[998]492    } else if (bkpinfo->use_gzip) {
493        strcpy(bkpinfo->zip_exe, "gzip");
494        strcpy(bkpinfo->zip_suffix, "gz");
[128]495    } else if (bkpinfo->compression_level != 0) {
496        strcpy(bkpinfo->zip_exe, "bzip2");
497        strcpy(bkpinfo->zip_suffix, "bz2");
498    } else {
499        bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]500    }
501
502// DVD
503
[128]504    if (bkpinfo->backup_media_type == dvd) {
505        extra_cdrom_params[0] = '\0';
506        mondo_mkisofs_sz[0] = '\0';
507        if (find_home_of_exe("growisofs")) {
508            strcpy(cdr_exe, "growisofs");
509        }                       // unlikely to be used
510        else {
511            fatal_error("Please install growisofs.");
512        }
513        if (bkpinfo->nonbootable_backup) {
514            strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
515        } else if
[1]516#ifdef __FreeBSD__
[128]517            (TRUE)
[1]518#else
[128]519            (bkpinfo->make_cd_use_lilo)
[1]520#endif
521#ifdef __IA64__
[128]522    {
523        strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
524    }
[1]525#else
526    {
[128]527        strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]528    }
[128]529#endif
530        else
531        {
532            strcat(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
533        }
534        if (bkpinfo->manual_cd_tray) {
535            fatal_error("Manual CD tray + DVD not supported yet.");
536            // -m isn't supported by growisofs, BTW...
537        } else {
538            sprintf(bkpinfo->call_make_iso,
539                    "%s %s -Z %s . 2>> _ERR_",
540                    mondo_mkisofs_sz,
541                    extra_cdrom_params, bkpinfo->media_device);
542        }
[153]543        if (getenv ("SUDO_COMMAND")) {
[679]544            sprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
545            if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
546                popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
547                fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
548            }       
[153]549        }
[1107]550        mr_msg(2, "call_make_iso (DVD res) is ... %s",
[128]551                bkpinfo->call_make_iso);
552    }                           // end of DVD code
[1]553
554// CD-R or CD-RW
[128]555    if (bkpinfo->backup_media_type == cdrw
556        || bkpinfo->backup_media_type == cdr) {
557        extra_cdrom_params[0] = '\0';
558        if (!bkpinfo->manual_cd_tray) {
559            strcat(extra_cdrom_params, "-waiti ");
560        }
561        if (bkpinfo->backup_media_type == cdrw) {
562            strcat(extra_cdrom_params, "blank=fast ");
563        }
564        if (find_home_of_exe("cdrecord")) {
565            strcpy(cdr_exe, "cdrecord");
566        } else if (find_home_of_exe("dvdrecord")) {
567            strcpy(cdr_exe, "dvdrecord");
568        } else {
569            fatal_error("Please install either cdrecord or dvdrecord.");
570        }
571        if (bkpinfo->nonbootable_backup) {
572            strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_NONBOOT);
573        } else if
[1]574#ifdef __FreeBSD__
[128]575            (TRUE)
[1]576#else
[128]577            (bkpinfo->make_cd_use_lilo)
[1]578#endif
579#ifdef __IA64__
580    {
[128]581        strcat(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]582    }
[128]583#else
[1]584    {
[128]585        strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]586    }
[128]587#endif
588        else
589        {
590            strcpy(mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
591        }
592        if (bkpinfo->manual_cd_tray) {
[163]593            if (bkpinfo->call_before_iso[0] == '\0') {
[128]594            sprintf(bkpinfo->call_before_iso,
[163]595                        "%s -o %s/temporary.iso . 2>> _ERR_",
596                        mondo_mkisofs_sz, bkpinfo->tmpdir);
597                } else {
598                strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
599                sprintf (bkpinfo->call_before_iso,
600                                    "( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
601                        mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
602            }
603            log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[128]604            sprintf(bkpinfo->call_make_iso,
605                    "%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
606                    cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
607                    extra_cdrom_params, bkpinfo->media_device,
608                    bkpinfo->cdrw_speed, bkpinfo->tmpdir);
609        } else {
610            sprintf(bkpinfo->call_make_iso,
611                    "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -",
612                    mondo_mkisofs_sz, cdr_exe,
613                    (bkpinfo->please_dont_eject) ? " " : "-eject",
614                    extra_cdrom_params, bkpinfo->media_device,
615                    bkpinfo->cdrw_speed);
616        }
617    }                           // end of CD code
[1]618
[128]619    /*
620       if (bkpinfo->backup_data && bkpinfo->backup_media_type == tape)
621       {
622       sprintf (tmp,
623       "dd if=/dev/zero of=%s bs=%ld count=32 2> /dev/null",
624       bkpinfo->media_device, bkpinfo->internal_tape_block_size);
625       if (system(tmp))
626       {
627       retval++;
628       fprintf (stderr,
629       "Cannot write to tape device. Is the tape set read-only?\n");
630       }
631       } // end of tape code
632     */
[1]633
634
[128]635    if (bkpinfo->backup_media_type == iso) {
636
[1]637/* Patch by Conor Daly <conor.daly@met.ie>
638 * 23-june-2004
639 * Break up isodir into iso_mnt and iso_path
640 * These will be used along with iso-dev at restore time
641 * to locate the ISOs where ever they're mounted
642 */
643
[128]644        log_it("isodir = %s", bkpinfo->isodir);
[165]645        sprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1",
[128]646                bkpinfo->isodir);
647        log_it("command = %s", command);
648        sprintf(iso_dev, "%s",
649                call_program_and_get_last_line_of_output(command));
[1087]650        log_it("res of it = %s", iso_dev);
[1]651
[1087]652        fd1 = mr_fopen(MONDORESTORECFG, "a");
653        mr_fprintf(fd1, "iso-dev %s\n", iso_dev);
654
[128]655        sprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3",
656                iso_dev);
657        log_it("command = %s", command);
658        sprintf(iso_mnt, "%s",
659                call_program_and_get_last_line_of_output(command));
[1087]660
661        log_it("res of it = %s", iso_mnt);
662        mr_fprintf(fd1, "iso-mnt %s\n", iso_mnt);
[128]663        log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
[1087]664
[128]665        sprintf(iso_tmp, "%s", bkpinfo->isodir);
666        if (strlen(iso_tmp) < strlen(iso_mnt)) {
667            iso_path[0] = '\0';
668        } else {
669            sprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
670        }
671        log_it("isodir: %s", iso_path);
[1087]672        mr_fprintf(fd1, "isodir %s\n", iso_path);
673
[148]674        log_it("iso-prefix: %s",  bkpinfo->prefix);
[1087]675        mr_fprintf(fd1, "iso-prefix %s\n", bkpinfo->prefix);
[1]676
[1095]677        mr_fclose(fd1);
[128]678    }                           // end of iso code
[1]679
[128]680    if (bkpinfo->backup_media_type == nfs) {
681        strcpy(hostname, bkpinfo->nfs_mount);
682        colon = strchr(hostname, ':');
683        if (!colon) {
684            log_it("nfs mount doesn't have a colon in it");
685            retval++;
686        } else {
687            struct hostent *hent;
[1]688
[128]689            *colon = '\0';
690            hent = gethostbyname(hostname);
691            if (!hent) {
692                log_it("Can't resolve NFS mount (%s): %s", hostname,
693                       hstrerror(h_errno));
694                retval++;
695            } else {
696                strcpy(ip_address, inet_ntoa
697                       ((struct in_addr)
698                        *((struct in_addr *) hent->h_addr)));
699                strcat(ip_address, strchr(bkpinfo->nfs_mount, ':'));
700                strcpy(bkpinfo->nfs_mount, ip_address);
701            }
702        }
703        store_nfs_config(bkpinfo);
704    }
[1]705
[128]706    log_it("Finished processing incoming params");
707    if (retval) {
708        fprintf(stderr, "Type 'man mondoarchive' for help.\n");
709    }
710    sprintf(tmp, "%s", MONDO_TMPISOS);  /* added #define 22 apr 2002 */
711    if (does_file_exist(tmp)) {
712        unlink(tmp);
713    }
714    if (strlen(bkpinfo->tmpdir) < 2 || strlen(bkpinfo->scratchdir) < 2) {
715        log_it("tmpdir or scratchdir are blank/missing");
716        retval++;
717    }
718    if (bkpinfo->include_paths[0] == '\0') {
719        //      fatal_error ("Why no backup path?");
720        strcpy(bkpinfo->include_paths, "/");
721    }
722    chmod(bkpinfo->scratchdir, 0700);
723    chmod(bkpinfo->tmpdir, 0700);
724    g_backup_media_type = bkpinfo->backup_media_type;
[1080]725    mr_free(mtpt);
726    mr_free(extra_cdrom_params);
727    mr_free(mondo_mkisofs_sz);
728    mr_free(command);
729    mr_free(hostname);
730    mr_free(ip_address);
731    mr_free(cdr_exe);
732    mr_free(tmp);
733    mr_free(iso_dev);
734    mr_free(iso_mnt);
735    mr_free(iso_tmp);
736    mr_free(iso_path);
[128]737    return (retval);
[1]738}
739
740
741
742/**
743 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
744 * Seeds the random-number generator, loads important modules, checks the sanity
745 * of the user's Linux distribution, and deletes logfile.
746 * @param bkpinfo The backup information structure. Will be initialized.
747 * @return number of errors (0 for success)
748 */
749int pre_param_configuration(struct s_bkpinfo *bkpinfo)
750{
[128]751    int res = 0;
[1]752
[128]753    make_hole_for_dir(MNT_CDROM);
754    assert(bkpinfo != NULL);
755    srandom((unsigned long) (time(NULL)));
756    insmod_crucial_modules();
757    reset_bkpinfo(bkpinfo);     // also sets defaults ('/'=backup path, 3=compression level)
758    if (bkpinfo->disaster_recovery) {
759        if (!does_nonMS_partition_exist()) {
760            fatal_error
761                ("I am in disaster recovery mode\nPlease don't run mondoarchive.");
762        }
763    }
[1]764
[128]765    unlink(MONDO_TRACEFILE);
766    run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
767    if (find_and_store_mondoarchives_home(g_mondo_home)) {
768        fprintf(stderr,
769                "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");
770        res++;
771        return (res);
772    }
773    res += some_basic_system_sanity_checks();
774    if (res) {
775        log_it("Your distribution did not pass Mondo's sanity test.");
776    }
777    g_current_media_number = 1;
778    bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
779    return (res);
[1]780}
781
782
783
784
785/**
786 * Reset all fields of the backup information structure to a sensible default.
787 * @param bkpinfo The @c bkpinfo to reset.
788 */
[128]789void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
[1]790{
[128]791    int i;
[1]792
[1107]793    mr_msg(1, "Hi");
[128]794    assert(bkpinfo != NULL);
795    memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
796    bkpinfo->manual_cd_tray = FALSE;
797    bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
798    bkpinfo->media_device[0] = '\0';
799    for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
800        bkpinfo->media_size[i] = -1;
801    }
802    bkpinfo->boot_loader = '\0';
803    bkpinfo->boot_device[0] = '\0';
804    bkpinfo->zip_exe[0] = '\0';
805    bkpinfo->zip_suffix[0] = '\0';
806    bkpinfo->restore_path[0] = '\0';
807    bkpinfo->use_lzo = FALSE;
[998]808    bkpinfo->use_gzip = FALSE;
[128]809    bkpinfo->do_not_compress_these[0] = '\0';
810    bkpinfo->verify_data = FALSE;
811    bkpinfo->backup_data = FALSE;
812    bkpinfo->restore_data = FALSE;
813    bkpinfo->disaster_recovery =
814        (am_I_in_disaster_recovery_mode()? TRUE : FALSE);
815    if (bkpinfo->disaster_recovery) {
816        strcpy(bkpinfo->isodir, "/");
817    } else {
[541]818        strcpy(bkpinfo->isodir, "/root/images/mondo");
[128]819    }
[148]820    strcpy(bkpinfo->prefix, STD_PREFIX);
[1]821
[128]822    bkpinfo->scratchdir[0] = '\0';
823    bkpinfo->make_filelist = TRUE;  // unless -J supplied to mondoarchive
824    sprintf(bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768));  // for mondorestore
825    bkpinfo->optimal_set_size = 0;
826    bkpinfo->backup_media_type = none;
827    strcpy(bkpinfo->include_paths, "/");
828    bkpinfo->exclude_paths[0] = '\0';
829    bkpinfo->call_before_iso[0] = '\0';
830    bkpinfo->call_make_iso[0] = '\0';
831    bkpinfo->call_burn_iso[0] = '\0';
832    bkpinfo->call_after_iso[0] = '\0';
833    bkpinfo->image_devs[0] = '\0';
834    bkpinfo->postnuke_tarball[0] = '\0';
835    bkpinfo->kernel_path[0] = '\0';
836    bkpinfo->nfs_mount[0] = '\0';
837    bkpinfo->nfs_remote_dir[0] = '\0';
838    bkpinfo->wipe_media_first = FALSE;
839    bkpinfo->differential = FALSE;
840    bkpinfo->cdrw_speed = 0;
[1]841// patch by Herman Kuster 
[128]842    bkpinfo->differential = 0;
[1]843// patch end
[128]844    bkpinfo->compression_level = 3;
[1]845}
846
847
848
849
850/**
851 * Get the remaining free space (in MB) on @p partition.
852 * @param partition The partition to check free space on (either a device or a mountpoint).
853 * @return The free space on @p partition, in MB.
854 */
[128]855long free_space_on_given_partition(char *partition)
[1]856{
[128]857    char command[MAX_STR_LEN], out_sz[MAX_STR_LEN];
858    long res;
[1]859
[128]860    assert_string_is_neither_NULL_nor_zerolength(partition);
[1]861
[305]862    sprintf(command, "df -m -P %s &> /dev/null", partition);
[128]863    if (system(command)) {
864        return (-1);
865    }                           // partition does not exist
[305]866    sprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4",
[128]867            partition);
868    strcpy(out_sz, call_program_and_get_last_line_of_output(command));
869    if (strlen(out_sz) == 0) {
870        return (-1);
871    }                           // error within df, probably
872    res = atol(out_sz);
873    return (res);
[1]874}
875
876
877
878/**
879 * Check the user's system for sanity. Checks performed:
880 * - make sure user has enough RAM (32mb required, 64mb recommended)
881 * - make sure user has enough free space in @c /
882 * - check kernel for ramdisk support
883 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
884 * - make sure CD-ROM is unmounted
885 * - make sure /etc/modules.conf exists
886 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
887 *
888 * @return number of problems with the user's setup (0 for success)
889 */
[128]890int some_basic_system_sanity_checks()
[1]891{
892
[128]893    /*@ buffers ************ */
894    char tmp[MAX_STR_LEN];
895    //  char command[MAX_STR_LEN];
[1]896
[128]897    /*@ int's *************** */
898    int retval = 0;
899    long Lres;
[1]900
901
[128]902    mvaddstr_and_log_it(g_currentY, 0,
903                        "Checking sanity of your Linux distribution");
[1]904#ifndef __FreeBSD__
[128]905    if (system("which mkfs.vfat &> /dev/null")
906        && !system("which mkfs.msdos &> /dev/null")) {
907        log_it
908            ("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
909        run_program_and_log_output
910            ("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
911    }
912    strcpy(tmp,
913           call_program_and_get_last_line_of_output
914           ("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2"));
915    if (atol(tmp) < 35000) {
916        retval++;
[541]917        log_to_screen("You must have at least 32MB of RAM to use Mondo.");
[128]918    }
919    if (atol(tmp) < 66000) {
920        log_to_screen
[541]921            ("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
[128]922    }
[1]923#endif
924
[1044]925    Lres = free_space_on_given_partition("/var/cache");
[128]926    log_it("Free space on given partition = %ld MB", Lres);
[1]927
[128]928    if (Lres < 50) {
[1044]929              fatal_error("Your /var/cache partition has <50MB free. Please adjust your partition table to something saner."); 
[128]930    }
[1]931
[128]932    if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
933        retval++;
934        log_to_screen
935            ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
936        fatal_error
937            ("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. :)");
938    }
[1]939#ifndef __FreeBSD__
[128]940    if (run_program_and_log_output
[273]941        ("grep ramdisk /proc/devices", FALSE)) {
[128]942        if (!ask_me_yes_or_no
[541]943            ("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?"))
[128]944        {
945            //          retval++;
946            log_to_screen
[541]947                ("It looks as if your kernel lacks ramdisk and initrd support.");
[128]948            log_to_screen
[541]949                ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
[128]950        }
951    }
[1]952#endif
[128]953    retval += whine_if_not_found(MKE2FS_OR_NEWFS);
954    retval += whine_if_not_found("mkisofs");
955    if (system("which dvdrecord > /dev/null 2> /dev/null")) {
956        retval += whine_if_not_found("cdrecord");
957    }
958    retval += whine_if_not_found("bzip2");
[998]959    retval += whine_if_not_found("gzip");
[128]960    retval += whine_if_not_found("awk");
961    retval += whine_if_not_found("md5sum");
962    retval += whine_if_not_found("strings");
963    retval += whine_if_not_found("mindi");
964    retval += whine_if_not_found("buffer");
[1]965
[128]966    // abort if Windows partition but no ms-sys and parted
967    if (!run_program_and_log_output
[680]968        ("mount | grep -w vfat | grep -vE \"/dev/fd|nexdisk\"", 0)
[128]969        ||
970        !run_program_and_log_output
[680]971        ("mount | grep -w dos | grep -vE \"/dev/fd|nexdisk\"", 0)) {
[541]972        log_to_screen("I think you have a Windows 9x partition.");
[128]973        retval += whine_if_not_found("parted");
[1]974#ifndef __IA64__
[128]975        /* IA64 always has one vfat partition for EFI even without Windows */
976        // retval +=
977        if (!find_home_of_exe("ms-sys")) {
[541]978            log_to_screen("Please install ms-sys just in case.");
[128]979        }
980#endif
[1]981    }
982
[128]983    if (!find_home_of_exe("cmp")) {
984        if (!find_home_of_exe("true")) {
985            whine_if_not_found("cmp");
986        } else {
987            log_to_screen
[541]988                ("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
[128]989            if (run_program_and_log_output
990                ("cp -f `which true` /usr/bin/cmp", 0)) {
991                fatal_error("Failed to create dummy 'cmp' file.");
992            }
993        }
[1]994    }
[128]995    run_program_and_log_output
996        ("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
997    strcpy(tmp,
998           call_program_and_get_last_line_of_output
999           ("mount | grep -E \"cdr(om|w)\""));
1000    if (strcmp("", tmp)) {
1001        if (strstr(tmp, "autofs")) {
1002            log_to_screen
[541]1003                ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
[128]1004            log_to_screen
[541]1005                ("if a CD actually is inserted. If a CD is inserted, please");
1006            log_to_screen("eject it. Thank you.");
[128]1007            log_it
1008                ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
1009        } else
1010            if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
1011            retval++;
1012            fatal_error
1013                ("Your CD-ROM drive is mounted. Please unmount it.");
1014        }
1015    }
[1]1016#ifndef __FreeBSD__
[128]1017    if (!does_file_exist("/etc/modules.conf")) {
1018        if (does_file_exist("/etc/conf.modules")) {
1019            log_it("Linking /etc/modules.conf to /etc/conf.modules");
1020            run_program_and_log_output
1021                ("ln -sf /etc/conf.modules /etc/modules.conf", 5);
1022        } else if (does_file_exist("/etc/modprobe.d")) {
1023            log_it
1024                ("Directory /etc/modprobe.d found. mindi will use its contents.");
1025        } else if (does_file_exist("/etc/modprobe.conf")) {
1026            log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
1027            run_program_and_log_output
1028                ("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
1029        } else {
1030            retval++;
1031            log_to_screen
[541]1032                ("Please find out what happened to /etc/modules.conf");
[128]1033        }
[1]1034    }
1035#endif
1036
[128]1037    run_program_and_log_output("cat /etc/fstab", 5);
[1]1038#ifdef __FreeBSD__
[128]1039    run_program_and_log_output("vinum printconfig", 5);
[1]1040#else
[128]1041    run_program_and_log_output("cat /etc/raidtab", 5);
[1]1042#endif
1043
[128]1044    if (run_program_and_log_output("mindi -V", 1)) {
[541]1045        log_to_screen("Could not ascertain mindi's version number.");
[128]1046        log_to_screen
[541]1047            ("You have not installed Mondo and/or Mindi properly.");
1048        log_to_screen("Please uninstall and reinstall them both.");
[128]1049        fatal_error("Please reinstall Mondo and Mindi.");
1050    }
1051    if (run_program_and_log_output
1052        ("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
1053        log_to_screen
[541]1054            ("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason.");
[128]1055        log_to_screen
[541]1056            ("Please run that command by hand and examine /var/log/mindi.log");
[128]1057        log_to_screen
[541]1058            ("for more information. Perhaps your /etc/fstab file is insane.");
[128]1059        log_to_screen
[541]1060            ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
[128]1061        retval++;
1062    }
[1]1063
[196]1064    if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
[128]1065        && !does_file_exist("/etc/raidtab")) {
1066        log_to_screen
[541]1067            ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
[558]1068        create_raidtab_from_mdstat("/etc/raidtab");
[128]1069    }
1070
1071    if (retval) {
[541]1072        mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
[128]1073    } else {
[541]1074        mvaddstr_and_log_it(g_currentY++, 74, "Done.");
[128]1075    }
1076    return (retval);
[1]1077}
1078
1079/**
1080 * Retrieve the line containing @p label from the config file.
1081 * @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
1082 * @param label What to read from the file.
1083 * @param value Where to put it.
1084 * @return 0 for success, 1 for failure.
1085 */
[128]1086int read_cfg_var(char *config_file, char *label, char *value)
[1]1087{
[128]1088    /*@ buffer ****************************************************** */
1089    char command[MAX_STR_LEN * 2];
1090    char tmp[MAX_STR_LEN];
[1]1091
[128]1092    /*@ end vars *************************************************** */
[1]1093
[128]1094    assert_string_is_neither_NULL_nor_zerolength(config_file);
1095    assert_string_is_neither_NULL_nor_zerolength(label);
1096    if (!does_file_exist(config_file)) {
1097        sprintf(tmp, "(read_cfg_var) Cannot find %s config file",
1098                config_file);
1099        log_to_screen(tmp);
1100        value[0] = '\0';
1101        return (1);
1102    } else if (strstr(value, "/dev/") && strstr(value, "t0")
1103               && !strcmp(label, "media-dev")) {
[1107]1104        mr_msg(2, "FYI, I shan't read new value for %s - already got %s",
[128]1105                label, value);
1106        return (0);
1107    } else {
[148]1108        sprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5",
1109                label, config_file);
[128]1110        strcpy(value, call_program_and_get_last_line_of_output(command));
1111        if (strlen(value) == 0) {
1112            return (1);
1113        } else {
1114            return (0);
1115        }
[1]1116    }
1117}
1118
1119
1120
1121/**
1122 * Remount @c supermount if it was unmounted earlier.
1123 */
1124void remount_supermounts_if_necessary()
1125{
[128]1126    if (g_remount_cdrom_at_end) {
1127        run_program_and_log_output("mount " MNT_CDROM, FALSE);
1128    }
1129    if (g_remount_floppy_at_end) {
1130        run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1131    }
[1]1132}
1133
1134/**
1135 * Unmount @c supermount if it's mounted.
1136 */
1137void unmount_supermounts_if_necessary()
1138{
[128]1139    if (run_program_and_log_output
1140        ("mount | grep cdrom | grep super", FALSE) == 0) {
1141        g_remount_cdrom_at_end = TRUE;
1142        run_program_and_log_output("umount " MNT_CDROM, FALSE);
1143    }
1144    if (run_program_and_log_output
1145        ("mount | grep floppy | grep super", FALSE) == 0) {
1146        g_remount_floppy_at_end = TRUE;
1147        run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1148    }
[1]1149}
1150
1151/**
1152 * Whether we had to stop autofs (if so, restart it at end).
1153 */
[128]1154bool g_autofs_stopped = FALSE;
[1]1155
1156/**
1157 * Path to the autofs initscript ("" if none exists).
1158 */
1159char g_autofs_exe[MAX_STR_LEN];
1160
1161/**
1162 * Autofs initscript in Xandros Linux distribution.
1163 */
1164#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1165
1166/**
1167 * Autofs initscript in most Linux distributions.
1168 */
1169#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1170
1171/**
1172 * If autofs is mounted, stop it (restart at end).
1173 */
1174void stop_autofs_if_necessary()
1175{
[128]1176    char tmp[MAX_STR_LEN];
1177
1178    g_autofs_exe[0] = '\0';
1179    if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1180        strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1181    } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1182        strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1183    }
1184
1185    if (!g_autofs_exe[0]) {
[1107]1186        mr_msg(3, "No autofs detected.");
[128]1187    } else {
[1107]1188        mr_msg(3, "%s --- autofs detected", g_autofs_exe);
[1]1189// FIXME -- only disable it if it's running ---  sprintf(tmp, "%s status", autofs_exe);
[128]1190        sprintf(tmp, "%s stop", g_autofs_exe);
1191        if (run_program_and_log_output(tmp, 2)) {
1192            log_it("Failed to stop autofs - I assume it wasn't running");
1193        } else {
1194            g_autofs_stopped = TRUE;
1195            log_it("Stopped autofs OK");
1196        }
1197    }
[1]1198}
1199
1200/**
1201 * If autofs was stopped earlier, restart it.
1202 */
1203void restart_autofs_if_necessary()
1204{
[128]1205    char tmp[MAX_STR_LEN];
1206
1207    if (!g_autofs_stopped || !g_autofs_exe[0]) {
[1107]1208        mr_msg(3, "No autofs detected.");
[128]1209        return;
1210    }
1211    sprintf(tmp, "%s start", g_autofs_exe);
1212    if (run_program_and_log_output(tmp, 2)) {
1213        log_it("Failed to start autofs");
1214    } else {
1215        g_autofs_stopped = FALSE;
1216        log_it("Started autofs OK");
1217    }
[1]1218}
1219
1220
1221/**
1222 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1223 */
1224void mount_boot_if_necessary()
1225{
[128]1226    char tmp[MAX_STR_LEN];
1227    char command[MAX_STR_LEN];
[1]1228
[1107]1229    mr_msg(1, "Started sub");
1230    mr_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
[128]1231    g_boot_mountpt[0] = '\0';
[1107]1232    mr_msg(4, "Done. Great. Seeting command to something");
[128]1233    strcpy(command,
[911]1234           "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[   ]/boot[     ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
[1107]1235    mr_msg(4, "Cool. Command = '%s'", command);
[128]1236    strcpy(tmp, call_program_and_get_last_line_of_output(command));
[1107]1237    mr_msg(4, "tmp = '%s'", tmp);
[128]1238    if (tmp[0]) {
1239        log_it("/boot is at %s according to /etc/fstab", tmp);
1240        if (strstr(tmp, "LABEL=")) {
1241            if (!run_program_and_log_output("mount /boot", 5)) {
1242                strcpy(g_boot_mountpt, "/boot");
[1107]1243                mr_msg(1, "Mounted /boot");
[128]1244            } else {
1245                log_it("...ignored cos it's a label :-)");
1246            }
1247        } else {
[911]1248            sprintf(command, "mount | grep -E '^%s'", tmp);
[1107]1249            mr_msg(3, "command = %s", command);
[128]1250            if (run_program_and_log_output(command, 5)) {
1251                strcpy(g_boot_mountpt, tmp);
1252                sprintf(tmp,
1253                        "%s (your /boot partition) is not mounted. I'll mount it before backing up",
1254                        g_boot_mountpt);
1255                log_it(tmp);
1256                sprintf(tmp, "mount %s", g_boot_mountpt);
1257                if (run_program_and_log_output(tmp, 5)) {
1258                    g_boot_mountpt[0] = '\0';
[1107]1259                    mr_msg(1, "Plan B");
[128]1260                    if (!run_program_and_log_output("mount /boot", 5)) {
1261                        strcpy(g_boot_mountpt, "/boot");
[1107]1262                        mr_msg(1, "Plan B worked");
[128]1263                    } else {
[1107]1264                        mr_msg(1,
[128]1265                                "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1266                    }
1267                }
1268            }
1269        }
[1]1270    }
[1107]1271    mr_msg(1, "Ended sub");
[1]1272}
1273
1274
1275/**
1276 * If we mounted /boot earlier, unmount it.
1277 */
1278void unmount_boot_if_necessary()
1279{
[128]1280    char tmp[MAX_STR_LEN];
[1]1281
[1107]1282    mr_msg(3, "starting");
[128]1283    if (g_boot_mountpt[0]) {
1284        sprintf(tmp, "umount %s", g_boot_mountpt);
1285        if (run_program_and_log_output(tmp, 5)) {
1286            log_it("WARNING - unable to unmount /boot");
1287        }
1288    }
[1107]1289    mr_msg(3, "leaving");
[1]1290}
1291
1292
1293
1294/**
1295 * Write a line to a configuration file. Writes a line of the form,
1296 * @c label @c value.
1297 * @param config_file The file to write to. Usually @c mondo-restore.cfg.
1298 * @param label What to call this bit of data you're writing.
1299 * @param value The bit of data you're writing.
1300 * @return 0 for success, 1 for failure.
1301 */
[128]1302int write_cfg_var(char *config_file, char *label, char *value)
[1]1303{
[128]1304    /*@ buffers ***************************************************** */
1305    char command[MAX_STR_LEN * 2];
1306    char tempfile[MAX_STR_LEN];
1307    char tmp[MAX_STR_LEN];
[1]1308
1309
[128]1310    /*@ end vars *************************************************** */
1311    assert_string_is_neither_NULL_nor_zerolength(config_file);
1312    assert_string_is_neither_NULL_nor_zerolength(label);
1313    assert(value != NULL);
1314    if (!does_file_exist(config_file)) {
1315        sprintf(tmp, "(write_cfg_file) Cannot find %s config file",
1316                config_file);
1317        log_to_screen(tmp);
1318        return (1);
1319    }
1320    strcpy(tempfile,
1321           call_program_and_get_last_line_of_output
1322           ("mktemp -q /tmp/mojo-jojo.blah.XXXXXX"));
1323    if (does_file_exist(config_file)) {
[911]1324        sprintf(command, "grep -vE '^%s .*$' %s > %s",
[148]1325                label, config_file, tempfile);
[128]1326        paranoid_system(command);
1327    }
1328    sprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1329    paranoid_system(command);
1330    sprintf(command, "mv -f %s %s", tempfile, config_file);
1331    paranoid_system(command);
1332    unlink(tempfile);
1333    return (0);
[1]1334}
1335
[541]1336
[1]1337/**
[1107]1338 * The standard log_debug_msg() (mr_msg() also due to a macro). Writes some describing
[541]1339 * information to the logfile.
1340 */
1341void standard_log_debug_msg(int debug_level, const char *szFile,
1342                            const char *szFunction, int nLine,
1343                            const char *fmt, ...)
1344{
1345    va_list args;
1346    int i;
1347    static int depth = 0;
1348    char *tmp;
1349    FILE *fout;
1350
1351    if (depth > 5) {
1352        depth--;
1353        return;
1354    }
1355    depth++;
1356
1357    malloc_string(tmp);
1358
1359    if (debug_level <= g_loglevel) {
1360        va_start(args, fmt);
1361        if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1362            return;
1363        }                       // fatal_error("Failed to openout to logfile - sheesh..."); }
1364
1365        // add tabs to distinguish log levels
1366        if (debug_level > 0) {
1367            for (i = 1; i < debug_level; i++)
1368                fprintf(fout, "\t");
1369            if (getpid() == g_main_pid)
1370                fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction,
1371                        nLine);
1372            else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1373                fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction,
1374                        nLine);
1375            else
1376                fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile,
1377                        szFunction, nLine);
1378        }
1379        vfprintf(fout, fmt, args);
1380
1381        // do not slow down the progran if standard debug level
1382        // must be enabled: if no flush, the log won't be up-to-date if there
1383        // is a segfault
1384        //if (g_dwDebugLevel != 1)
1385
1386        va_end(args);
1387        fprintf(fout, "\n");
1388        paranoid_fclose(fout);
1389    }
1390    depth--;
[1080]1391    mr_free(tmp);
[541]1392}
1393
1394/**
1395 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1396 */
1397void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1398                       ...) = standard_log_debug_msg;
1399
1400
1401/**
[1]1402 * If @p y, malloc @p x, else free @p x.
1403 * @bug This function seems orphaned. Please remove.
1404 */
[1080]1405#define do_alloc_or_free_depending(x,y) { if(y) {x=mr_malloc(MAX_STR_LEN);} else {mr_free(x);} }
[1]1406
1407/**
1408 * Allocate or free important globals, depending on @p mal.
1409 * @param mal If TRUE, malloc; if FALSE, free.
1410 */
1411void do_libmondo_global_strings_thing(int mal)
1412{
[128]1413    if (mal) {
1414        iamhere("Malloc'ing globals");
1415        malloc_string(g_boot_mountpt);
1416        malloc_string(g_mondo_home);
1417        malloc_string(g_tmpfs_mountpt);
1418        malloc_string(g_erase_tmpdir_and_scratchdir);
1419        malloc_string(g_serial_string);
1420        malloc_string(g_magicdev_command);
1421    } else {
1422        iamhere("Freeing globals");
[1080]1423        mr_free(g_boot_mountpt);
1424        mr_free(g_mondo_home);
1425        mr_free(g_tmpfs_mountpt);
1426        mr_free(g_erase_tmpdir_and_scratchdir);
1427        mr_free(g_serial_string);
1428        mr_free(g_magicdev_command);
[128]1429    }
[541]1430
1431    /*
1432       char**list_of_arrays[] = {
1433       &g_boot_mountpt,
1434       &g_mondo_home,
1435       &g_tmpfs_mountpt,
1436       &g_erase_tmpdir_and_scratchdir,
1437       &g_serial_string,
1438       &g_magicdev_command,
1439       NULL};
1440
1441       char**ppcurr;
1442       int i;
1443
1444       for(i=0;list_of_arrays[i];i++)
1445       {
[1107]1446       mr_msg(5, "Allocating %d", i);
[541]1447       ppcurr = list_of_arrays[i];
1448       if (mal)
1449       { *ppcurr = malloc(MAX_STR_LEN); }
1450       else
1451       {
1452       if (*ppcurr)
1453       {
1454       free(*ppcurr);
1455       }
1456       }
1457       }
[1107]1458       mr_msg(5, "Returning");
[541]1459     */
[1]1460}
1461
1462/**
1463 * Allocate important globals.
1464 * @see do_libmondo_global_strings_thing
1465 */
1466void malloc_libmondo_global_strings(void)
1467{
[128]1468    do_libmondo_global_strings_thing(1);
[1]1469}
1470
1471/**
1472 * Free important globals.
1473 * @see do_libmondo_global_strings_thing
1474 */
1475void free_libmondo_global_strings(void)
1476{
[128]1477    do_libmondo_global_strings_thing(0);
[1]1478}
1479
1480
1481
1482/**
1483 * Stop @c magicdev if it's running.
1484 * The command used to start it is saved in @p g_magicdev_command.
1485 */
1486void stop_magicdev_if_necessary()
1487{
[128]1488    strcpy(g_magicdev_command,
1489           call_program_and_get_last_line_of_output
1490           ("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99"));
1491    if (g_magicdev_command[0]) {
[1107]1492        mr_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
[128]1493        paranoid_system("killall magicdev");
1494    }
[1]1495}
1496
1497
1498/**
1499 * Restart magicdev if it was stopped.
1500 */
1501void restart_magicdev_if_necessary()
1502{
[128]1503    char *tmp;
1504
1505    malloc_string(tmp);
1506    if (g_magicdev_command && g_magicdev_command[0]) {
1507        sprintf(tmp, "%s &", g_magicdev_command);
1508        paranoid_system(tmp);
1509    }
[1080]1510    mr_free(tmp);
[1]1511}
1512
1513/* @} - end of utilityGroup */
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