source: branches/2.2.10/mondo/src/common/libmondo-tools.c @ 2816

Last change on this file since 2816 was 2816, checked in by Bruno Cornec, 9 years ago

svn merge (in svk) -r 2714:2773 2.2.9 in 2.2.10

r4207@localhost (orig r2716): bruno | 2011-02-03 01:29:51 +0100

  • Increase boot size again to support better fedora 13/14


r4208@localhost (orig r2717): bruno | 2011-02-12 15:43:36 +0100

  • Excluding vmhgfs FS for VMWare guests mounting areas of the host.


r4209@localhost (orig r2718): bruno | 2011-02-18 00:30:35 +0100
-Extend EXTRA-SIZE for Debian 6.0 (at least)


r4210@localhost (orig r2719): bruno | 2011-02-18 00:45:40 +0100

  • Fix #462 (removes temp dir if analyze-my-lvm launched in stand alonae mode)


r4213@localhost (orig r2722): bruno | 2011-02-25 18:44:47 +0100

  • Fixes for RHEL6 support at least around dm extensions, bnx2x and cp210x dependencies


r4214@localhost (orig r2723): bruno | 2011-02-25 19:00:17 +0100

  • Adds a restore quiet option


r4215@localhost (orig r2724): bruno | 2011-02-25 19:43:50 +0100

  • Adds support for dm-log used on RHEL6 as well.


r4216@localhost (orig r2725): bruno | 2011-02-25 21:26:54 +0100

  • Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3


r4217@localhost (orig r2726): bruno | 2011-02-26 11:38:29 +0100

  • Fix error introduced in previous patch in the if/then/else case without member in the then


r4218@localhost (orig r2727): bruno | 2011-02-26 12:05:33 +0100

  • With mindi-busybox 1.18.3 the syntax of openvt changed. This patch keeps a compatible init script for both previous and current version.


r4219@localhost (orig r2728): bruno | 2011-02-26 15:27:40 +0100

  • Latest lvdisplay print MiB instead of MB. Impact on analyze-my-lvm fixed.


r4220@localhost (orig r2729): bruno | 2011-02-26 16:39:32 +0100

  • Adds feature rpc to mindi-busybox in case of need



r4221@localhost (orig r2730): bruno | 2011-02-26 16:42:43 +0100

  • Adds the rebot command to the list of mandatory ones at restore time


r4222@localhost (orig r2731): bruno | 2011-02-26 17:37:13 +0100

  • Adds functions and /bin/loadkeys (new location) to minimal set of commands to have
  • provides a makemessage option to mindi and this function now works with pbdistrocheck
  • Do not create an error when a phys device has 0 size and is a /dev/dm-* device


r4223@localhost (orig r2732): bruno | 2011-02-26 19:07:43 +0100

  • Syntax fix


r4224@localhost (orig r2733): bruno | 2011-02-26 19:51:16 +0100

  • Fix test on dm which was made in wrong sense
  • Adds a driver to allow raid456 to work


r4225@localhost (orig r2734): bruno | 2011-02-26 20:55:00 +0100

  • Fix 2 redirections issues


r4317@localhost (orig r2737): bruno | 2011-03-13 13:12:57 +0100

  • Add support for libahci driver, mandatory for debian 6.


r4318@localhost (orig r2738): bruno | 2011-03-13 14:46:37 +0100

  • Update from Lester Wade (lester.wade_at_hp.com) incorporating latest ML feedbacks


r4319@localhost (orig r2739): bruno | 2011-03-13 17:49:15 +0100

  • Updated Lab for TES 2011


r4323@localhost (orig r2743): bruno | 2011-03-20 01:37:40 +0100

  • Fix a seg fault bug when using the GUI in case exclude_paths was NULL (mc_at_carreira.com.pt)


r4324@localhost (orig r2744): bruno | 2011-03-20 19:38:14 +0100

  • Adds Arch Linux Keyboard support (mc_at_carreira.com.pt)


r4325@localhost (orig r2745): bruno | 2011-03-20 19:48:01 +0100

  • Avoids coredump again when exclude_path is NULL with mr_make_devlist_from_pathlist (feedback from mc_at_carreira.com.pt)


r4326@localhost (orig r2746): bruno | 2011-03-20 19:39:47 +0100

  • Remove blkid from busybox to solve #435


r4327@localhost (orig r2747): bruno | 2011-03-20 19:43:22 +0100

  • Adds reboot to fix #435


r4328@localhost (orig r2748): bruno | 2011-03-22 00:58:07 +0100

  • Fix Arch Linux kbd printed in log file now instead of screen.


r4329@localhost (orig r2749): bruno | 2011-03-22 00:59:58 +0100

  • Again increase size for boot env to support better fedora 14 and other latest distros


r4356@localhost (orig r2750): bruno | 2011-03-25 19:30:01 +0100

  • Improve Arch Linux support for mindi tools (mc_at_carreira.com.pt)


r4357@localhost (orig r2751): bruno | 2011-03-25 19:48:33 +0100

  • Accept to work with either wodim or cdreord and genisoimage or mkisofs


r4358@localhost (orig r2752): bruno | 2011-03-25 20:20:49 +0100

  • Documents option -v of mondoarchive


r4359@localhost (orig r2753): bruno | 2011-03-29 01:34:30 +0200

  • Use modprobe instead of insmod to load loop, cd, ... modules (in order to force them at rstore time). Also drop very old aes support for mdk 9.2


r4360@localhost (orig r2754): bruno | 2011-03-29 01:38:49 +0200

  • Arch Linux support for boot message of mindi (mc_at_carreira.com.pt) using /etc/arch-release and pacman.log


r4383@localhost (orig r2755): bruno | 2011-04-07 09:49:38 +0200

  • Adds a UdevadmTrigger? function at restore time to deal with the various syntax formats changes ddepending on version (mc_at_carreira.com.pt)


r4384@localhost (orig r2756): bruno | 2011-04-07 10:05:24 +0200

  • Increase again sizes for Debian 6 support (victor.gattegno_at_hp.com)


r4385@localhost (orig r2757): bruno | 2011-04-07 10:13:00 +0200
Conform to the report of size really !


r4386@localhost (orig r2758): bruno | 2011-04-07 11:31:12 +0200

  • Improved message for Arch Linux for rebuilding the initrd (mc_at_carreira.com.pt)


r4390@localhost (orig r2759): bruno | 2011-04-12 01:15:00 +0200

  • Typo in Web site


r4392@localhost (orig r2761): bruno | 2011-04-14 00:23:38 +0200

  • Adds download references for latest versions.


r4394@localhost (orig r2763): bruno | 2011-04-16 00:35:08 +0200

  • Adds support for MT back mandatory for OBDR.


r4395@localhost (orig r2764): bruno | 2011-04-20 12:18:46 +0200
Function resize_drive_proportionately_to_suit_new_drives

  • Integrate some mr_asprintf
  • Use systematically long long data types in all computation to match the struct mountlist_reference size member and have correct precision
  • Apply JB general_at_itpsg.com patch to make the partition resizing work properly according to the drive size (keeping all calculation in KB and converting only for display)


r4396@localhost (orig r2765): bruno | 2011-04-21 11:20:58 +0200

  • Remove very old code creating confusing symlinks pico to nano in init (patch from MC). Fix #477


r4397@localhost (orig r2766): bruno | 2011-04-21 11:57:44 +0200

  • text's are properly centered in open_and_list_dir (Patch from Chucky). Fix #404.


r4398@localhost (orig r2767): bruno | 2011-04-21 12:49:40 +0200

  • Attempt to fix #432 with a better message at a start.


r4399@localhost (orig r2768): bruno | 2011-04-21 13:00:37 +0200

Log content of mondo-restore.cfg


r4400@localhost (orig r2769): bruno | 2011-04-21 13:48:52 +0200

  • Introduce a new bkpinfo member (subdir) to support storing the subdir under which ISO images are stored on an external HDD. Should fix mostly #433.


r4401@localhost (orig r2770): bruno | 2011-04-21 14:14:52 +0200

  • Fix compilation issues due to level of visibility of functions


r4402@localhost (orig r2771): bruno | 2011-04-22 01:49:03 +0200

  • Adds GUI support for compresion type. Fix half of #468.


r4403@localhost (orig r2772): bruno | 2011-04-22 02:00:07 +0200

  • Adds support of ext attr through the GUI. Fix second part of #468


r4404@localhost (orig r2773): bruno | 2011-04-22 02:22:24 +0200

  • Propose more variables in the mindi.conf example
  • More explicit messages when size unsufficient in mindi for kernel + initrd as per #471
  • Better loging of labeling in mondo when in nuke mode


  • Property svn:keywords set to Id
File size: 38.6 KB
Line 
1/*
2   $Id: libmondo-tools.c 2816 2011-04-29 13:42:55Z bruno $
3*/
4
5
6/**
7 * @file
8 * Miscellaneous tools that didn't really fit anywhere else.
9 */
10
11#include "my-stuff.h"
12#include "mr_mem.h"
13#include "mondostructures.h"
14#include "lib-common-externs.h"
15#include "libmondo-tools.h"
16#include "libmondo-gui-EXT.h"
17#include "libmondo-files-EXT.h"
18#include "libmondo-fork-EXT.h"
19#include "libmondo-raid-EXT.h"
20#include "libmondo-devices-EXT.h"
21#include <sys/socket.h>
22#include <netdb.h>
23#include <stdlib.h>
24#include <netinet/in.h>
25#include <arpa/inet.h>
26#include <sys/utsname.h>
27
28/*@unused@*/
29//static char cvsid[] = "$Id: libmondo-tools.c 2816 2011-04-29 13:42:55Z bruno $";
30
31extern int g_tape_buffer_size_MB;
32extern bool g_text_mode;
33extern int g_currentY;
34extern int g_current_media_number;
35extern char *MONDO_LOGFILE;
36extern char *g_serial_string;
37
38/* Reference to global bkpinfo */
39extern struct s_bkpinfo *bkpinfo;
40
41/**
42 * @addtogroup globalGroup
43 * @{
44 */
45bool g_remount_cdrom_at_end,    ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
46 g_remount_floppy_at_end;       ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
47bool g_cd_recovery;             ///< TRUE if we're making an "autonuke" backup.
48double g_kernel_version;
49
50/**
51 * The place where /boot is mounted.
52 */
53char *g_boot_mountpt = NULL;
54
55/**
56 * The location of Mondo's home directory.
57 */
58char *g_mondo_home = NULL;
59
60/**
61 * The location where tmpfs is mounted, or "" if it's not mounted.
62char *g_tmpfs_mountpt = NULL;
63 */
64char *g_magicdev_command = NULL;
65
66/**
67 * The default maximum level to log messages at or below.
68 */
69int g_loglevel = DEFAULT_DEBUG_LEVEL;
70
71/* @} - end of globalGroup */
72
73
74extern pid_t g_buffer_pid;
75extern pid_t g_main_pid;
76
77extern t_bkptype g_backup_media_type;
78
79extern bool am_I_in_disaster_recovery_mode(void);
80
81/*-----------------------------------------------------------*/
82
83
84/**
85 * @addtogroup utilityGroup
86 * @{
87 */
88/**
89 * Assertion handler. Prints a friendly message to the user,
90 * offering to ignore all, dump core, break to debugger,
91 * exit, or ignore. Intended to be used with an assert() macro.
92 *
93 * @param file The file in which the assertion triggered.
94 * @param function The function (@c __FUNCTION__) in which the assertion triggered.
95 * @param line The line number of the assert() statement.
96 * @param exp The expression that failed (as a string).
97 */
98void _mondo_assert_fail(const char *file,
99                        const char *function, int line, const char *exp)
100{
101    static int ignoring_assertions = 0;
102    bool is_valid = TRUE;
103
104    log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
105           function);
106    if (ignoring_assertions) {
107        log_it("Well, the user doesn't care...");
108        return;
109    }
110    if (!g_text_mode)
111        newtSuspend();
112    printf("ASSERTION FAILED: `%s'\n", exp);
113    printf("\tat %s:%d in %s\n\n", file, line, function);
114    printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
115    do {
116        is_valid = TRUE;
117        switch (toupper(getchar())) {
118        case 'A':               // ignore (A)ll
119            ignoring_assertions = 1;
120            break;
121        case 'B':               // a(B)ort
122            signal(SIGABRT, SIG_DFL);   /* prevent SIGABRT handler from running */
123            raise(SIGABRT);
124            break;              /* "can't get here" */
125        case 'D':               // (D)ebug, aka asm("int 3")
126#ifdef __IA32__
127            __asm__ __volatile__("int $3"); // break to debugger
128#endif
129            break;
130        case 'E':               // (E)xit
131            fatal_error("Failed assertion -- see above for details");
132            break;              /* "can't get here" */
133        case 'I':               // (I)gnore
134            break;
135            /* These next two work as follows:
136               the `default' catches the user's invalid choice and says so;
137               the '\n' catches the newline on the end and prints the prompt again.
138             */
139        case '\n':
140            printf
141                ("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
142            break;
143        default:
144            is_valid = FALSE;
145            printf("Invalid choice.\n");
146            break;
147        }
148    } while (!is_valid);
149
150    if (ignoring_assertions) {
151        log_it("Ignoring ALL assertions from now on.");
152    } else {
153        log_it("Ignoring assertion: %s", exp);
154    }
155
156    getchar();                  // skip \n
157
158    if (!g_text_mode)
159        newtResume();
160}
161
162/**
163 * Clean's up users' KDE desktops.
164 * @bug Details about this function are unknown.
165 */
166void clean_up_KDE_desktop_if_necessary(void)
167{
168    char *tmp = NULL;
169
170    mr_asprintf(tmp, "for i in `find /root /home -type d -name Desktop -maxdepth 2`; do file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } else { print $0;};}' $file.old  > $file ; fi ; done");
171    run_program_and_log_output(tmp, 5);
172    mr_free(tmp);
173}
174
175
176/**
177 * Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
178 * /usr/local/share/mondo, /opt, or if all else fails, search /usr.
179 *
180 * @param home_sz String to store the home directory ("" if it could not be found).
181 * @return 0 for success, nonzero for failure.
182 */
183int find_and_store_mondoarchives_home(char *home_sz)
184{
185    assert(home_sz != NULL);
186    strcpy(home_sz, MONDO_SHARE);
187    return (0);
188}
189
190
191char *get_architecture(void) {
192#ifdef __IA32__
193#   ifdef __X86_64__
194        return ("x86_64");
195#   else
196        return ("i386");
197#   endif
198#endif
199#ifdef __IA64__
200    return ("ia64");
201#endif
202    return ("unknown");
203}
204
205
206char *get_uname_m(void) {
207
208    struct utsname utsn;
209    char *tmp = NULL;
210
211    uname(&utsn);
212    mr_asprintf(tmp, "%s", utsn.machine);
213    return (tmp);
214}
215
216
217
218double get_kernel_version(void)
219{
220    char *p = NULL;
221    char *tmp = NULL;
222    double d;
223#ifdef __FreeBSD__
224    // JOSH - FIXME :)
225    d = 5.2;                    // :-)
226#else
227    tmp = call_program_and_get_last_line_of_output("uname -r",TRUE);
228    p = strchr(tmp, '.');
229    if (p) {
230        p = strchr(++p, '.');
231        if (p) {
232            while (*p) {
233                *p = *(p + 1);
234                p++;
235            }
236        }
237    }
238    d = atof(tmp);
239    mr_free(tmp);
240#endif
241    log_msg(1, "g_kernel_version = %f", d);
242    return (d);
243}
244
245
246/**
247 * Get the current time.
248 * @return number of seconds since the epoch.
249 */
250long get_time()
251{
252    return (long) time((void *) 0);
253}
254
255
256/**
257 * Initialize a RAID volume structure, setting fields to zero. The
258 * actual hard drive is unaffected.
259 *
260 * @param raidrec The RAID volume structure to initialize.
261 * @note This function is system dependent.
262 */
263#ifdef __FreeBSD__
264void initialize_raidrec(struct vinum_volume *raidrec)
265{
266    int i, j;
267    raidrec->volname[0] = '\0';
268    raidrec->plexes = 0;
269    for (i = 0; i < 9; ++i) {
270        raidrec->plex[i].raidlevel = -1;
271        raidrec->plex[i].stripesize = 0;
272        raidrec->plex[i].subdisks = 0;
273        for (j = 0; j < 9; ++j) {
274            strcpy(raidrec->plex[i].sd[j].which_device, "");
275        }
276    }
277}
278#else
279void initialize_raidrec(struct raid_device_record *raidrec)
280{
281    assert(raidrec != NULL);
282    raidrec->raid_device[0] = '\0';
283    raidrec->raid_level = -9;
284    raidrec->persistent_superblock = 1;
285    raidrec->chunk_size = 64;
286    raidrec->parity = -1;
287    raidrec->data_disks.entries = 0;
288    raidrec->spare_disks.entries = 0;
289    raidrec->parity_disks.entries = 0;
290    raidrec->failed_disks.entries = 0;
291    raidrec->additional_vars.entries = 0;
292}
293#endif
294
295
296
297
298/**
299 * Insert modules that Mondo requires.
300 * Currently inserts @c msdos, @c vfat, and @c loop for Linux;
301 * @c msdosfs and @c ext2fs for FreeBSD.
302 */
303void insmod_crucial_modules(void)
304{
305#ifdef __FreeBSD__
306    system("kldstat | grep msdosfs || kldload msdosfs 2> /dev/null");
307    system("kldstat | grep ext2fs  || kldload ext2fs 2> /dev/null");
308#else
309    system("modprobe -a msdos vfat loop &> /dev/null");
310#endif
311}
312
313
314/**
315 * Finish configuring the backup information structure. Call this function
316 * to set the parameters that depend on those that can be given on the command
317 * line.
318 *
319 * @param bkpinfo The backup information structure. Fields modified/used:
320 * - Used: @c bkpinfo->backup_data
321 * - Used: @c bkpinfo->backup_media_type
322 * - Used: @c bkpinfo->cdrw_speed
323 * - Used: @c bkpinfo->compression_level
324 * - Used: @c bkpinfo->include_paths
325 * - Used: @c bkpinfo->prefix
326 * - Used: @c bkpinfo->isodir
327 * - Used: @c bkpinfo->manual_cd_tray
328 * - Used: @c bkpinfo->make_cd_use_lilo
329 * - Used: @c bkpinfo->media_device
330 * - Used: @c bkpinfo->netfs_mount
331 * - Used: @c bkpinfo->nonbootable_backup
332 * - Used: @c bkpinfo->scratchdir
333 * - Used: @c bkpinfo->tmpdir
334 * - Used: @c bkpinfo->use_lzo
335 * - Modified: @c bkpinfo->call_before_iso
336 * - Modified: @c bkpinfo->call_make_iso
337 * - Modified: @c bkpinfo->optimal_set_size
338 * - Modified: @c bkpinfo->zip_exe
339 * - Modified: @c bkpinfo->zip_suffix
340 *
341 * @return number of errors, or 0 for success.
342 * @note Also creates directories that are specified in the @c bkpinfo structure but
343 * do not exist.
344 */
345int post_param_configuration()
346{
347    char *extra_cdrom_params = NULL;
348    char *mondo_mkisofs_sz = NULL;
349    char *command = NULL;
350    char *hostname = NULL;
351    char *ip_address = NULL;
352    int retval = 0;
353    char *colon;
354    char *cdr_exe = NULL;
355    char *tmp = NULL;
356    char *p = NULL;
357    char *call_before_iso_user = NULL;
358    char *iso_dev = NULL;
359    char *iso_mnt = NULL;
360    char *iso_tmp = NULL;
361    char *iso_path = NULL;
362
363    assert(bkpinfo != NULL);
364
365    if (!bkpinfo->tmpdir) {
366        fatal_error("Tmpdir set to NULL !");
367    }
368
369    bkpinfo->optimal_set_size =
370        (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
371        1024;
372
373    if (strlen(bkpinfo->tmpdir) < 2) {
374        log_it("tmpdir is blank/missing");
375        retval++;
376    }
377
378    log_msg(1, "Post-param");
379    if (bkpinfo->backup_media_type == tape) {
380        log_msg(1, "Tape");
381        if (bkpinfo->media_device == NULL) {
382            return(1);
383        }
384        mr_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            mr_free(tmp);
388            fatal_error
389                ("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.");
390        }
391        mr_free(tmp);
392    }
393    if (bkpinfo->scratchdir) {
394        make_hole_for_dir(bkpinfo->scratchdir);
395        chmod(bkpinfo->scratchdir, 0700);
396    } else {
397        fatal_error("Scratchdir set to NULL !");
398    }
399    if (bkpinfo->backup_media_type == iso)
400        make_hole_for_dir(bkpinfo->isodir);
401
402    run_program_and_log_output("uname -a", 5);
403    run_program_and_log_output("cat /etc/*-release", 5);
404    run_program_and_log_output("cat /etc/*issue*", 5);
405#ifdef __FreeBSD__
406#else
407    run_program_and_log_output("cat /proc/cpuinfo", 5);
408    run_program_and_log_output
409        ("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
410         5);
411#endif
412
413    if (bkpinfo->use_lzo) {
414        mr_asprintf(bkpinfo->zip_exe, "lzop");
415        mr_asprintf(bkpinfo->zip_suffix, "lzo");
416    } else if (bkpinfo->use_gzip) {
417        mr_asprintf(bkpinfo->zip_exe, "gzip");
418        mr_asprintf(bkpinfo->zip_suffix, "gz");
419    } else if (bkpinfo->use_lzma) {
420        mr_asprintf(bkpinfo->zip_exe, "lzma");
421        mr_asprintf(bkpinfo->zip_suffix, "lzma");
422    } else if (bkpinfo->compression_level != 0) {
423        mr_asprintf(bkpinfo->zip_exe, "bzip2");
424        mr_asprintf(bkpinfo->zip_suffix, "bz2");
425    } else {
426        mr_asprintf(bkpinfo->zip_exe, "none");
427        mr_asprintf(bkpinfo->zip_suffix, "");
428    }
429
430// DVD
431
432    if (bkpinfo->backup_media_type == dvd) {
433        tmp = find_home_of_exe("growisofs");
434        if (tmp) {
435            mr_asprintf(cdr_exe, "growisofs");
436        }                       // unlikely to be used
437        else {
438            mr_free(tmp);
439            fatal_error("Please install growisofs.");
440        }
441        mr_free(tmp);
442
443        if (bkpinfo->nonbootable_backup) {
444            mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
445        } else if
446#ifdef __FreeBSD__
447            (TRUE)
448#else
449            (bkpinfo->make_cd_use_lilo)
450#endif
451#ifdef __IA64__
452    {
453        mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
454    }
455#else
456    {
457        mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
458    }
459#endif
460        else
461        {
462            mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
463        }
464        if (bkpinfo->manual_cd_tray) {
465            paranoid_free(mondo_mkisofs_sz);
466            fatal_error("Manual CD tray + DVD not supported yet.");
467            // -m isn't supported by growisofs, BTW...
468        } else {
469            if (bkpinfo->media_device == NULL) {
470                return(1);
471            }
472            mr_free(bkpinfo->call_make_iso);
473            mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
474            paranoid_free(mondo_mkisofs_sz);
475        }
476        if (getenv ("SUDO_COMMAND")) {
477            mr_asprintf(command, "strings `which growisofs` | grep -c SUDO_COMMAND");
478            tmp = call_program_and_get_last_line_of_output(command,TRUE);
479            if (!strcmp(tmp, "1")) {
480                mr_free(command);
481                mr_free(tmp);
482                popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
483                fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
484            }       
485            mr_free(command);
486            mr_free(tmp);
487        }
488        log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
489    }                           // end of DVD code
490
491// CD-R or CD-RW
492    if (bkpinfo->backup_media_type == cdrw
493        || bkpinfo->backup_media_type == cdr) {
494        if (!bkpinfo->manual_cd_tray) {
495            mr_asprintf(extra_cdrom_params, "-waiti ");
496        }
497        if (bkpinfo->backup_media_type == cdrw) {
498            mr_asprintf(extra_cdrom_params, "blank=fast ");
499        }
500        if (extra_cdrom_params == NULL) {
501            // If not initialized earlier, do it now
502            mr_asprintf(extra_cdrom_params, " ");
503        }
504        if (find_home_of_exe("cdrecord")) {
505            strcpy(cdr_exe, "cdrecord");
506        } else if (find_home_of_exe("dvdrecord")) {
507            strcpy(cdr_exe, "dvdrecord");
508        } else {
509            mr_free(tmp);
510            tmp = find_home_of_exe("dvdrecord");
511            if (tmp) {
512                mr_asprintf(cdr_exe, "dvdrecord");
513            } else {
514                mr_free(tmp);
515                fatal_error("Please install either cdrecord or dvdrecord.");
516            }
517        }
518        mr_free(tmp);
519
520        if (bkpinfo->nonbootable_backup) {
521            mr_asprintf(mondo_mkisofs_sz, MONDO_MKISOFS);
522        } else if
523#ifdef __FreeBSD__
524            (TRUE)
525#else
526            (bkpinfo->make_cd_use_lilo)
527#endif
528#ifdef __IA64__
529    {
530        mr_asprintf(mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_ELILO);
531    }
532#else
533    {
534        mr_asprintf(mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_LILO);
535    }
536#endif
537        else
538        {
539            mr_asprintf(mondo_mkisofs_sz, "%s -V _CD#_", MONDO_MKISOFS_REGULAR_SYSLINUX);
540        }
541
542        mr_free(bkpinfo->call_make_iso);
543        if (bkpinfo->manual_cd_tray) {
544            if (bkpinfo->call_before_iso == NULL) {
545                mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
546            } else {
547                mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
548                mr_free(bkpinfo->call_before_iso);
549                mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
550                mr_free(call_before_iso_user);
551            }
552            log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
553            if (bkpinfo->media_device == NULL) {
554                return(1);
555            }
556            mr_asprintf(bkpinfo->call_make_iso, "%s %s -v %s fs=4m dev=%s speed=%d %s/"MONDO_TMPISOS, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed, bkpinfo->tmpdir);
557        } else {
558            mr_asprintf(bkpinfo->call_make_iso, "%s . 2>> _ERR_ | %s %s %s fs=4m dev=%s speed=%d -", mondo_mkisofs_sz, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->cdrw_speed);
559        }
560        mr_free(cdr_exe);
561        paranoid_free(mondo_mkisofs_sz);
562        paranoid_free(extra_cdrom_params);
563    }                           // end of CD code
564
565    if (bkpinfo->backup_media_type == iso) {
566
567/* Patch by Conor Daly <conor.daly@met.ie>
568 * 23-june-2004
569 * Break up isodir into iso_mnt and iso_path
570 * These will be used along with iso-dev at restore time
571 * to locate the ISOs where ever they're mounted
572 */
573
574        log_it("isodir = %s", bkpinfo->isodir);
575        mr_asprintf(command, "df -P %s | tail -n1 | cut -d' ' -f1", bkpinfo->isodir);
576        log_it("command = %s", command);
577        iso_dev = call_program_and_get_last_line_of_output(command,TRUE);
578        log_it("res of it = %s", iso_dev);
579        mr_free(command);
580
581        mr_asprintf(command, "mount | grep -w %s | tail -n1 | cut -d' ' -f3", iso_dev);
582        mr_free(iso_dev);
583
584        log_it("command = %s", command);
585        iso_mnt = call_program_and_get_last_line_of_output(command,TRUE);
586        log_it("res of it = %s", iso_mnt);
587        mr_free(command);
588
589        log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
590        mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
591        if (strlen(iso_tmp) < strlen(iso_mnt)) {
592            mr_asprintf(iso_path, "%s", "");
593        } else {
594            // If iso_mnt is only / then iso_path is the full dir
595            // (the formula bellow doesn't work in this case)
596            if (strcmp(iso_mnt, "/") == 0) {
597                mr_asprintf(iso_path, "%s", iso_tmp);
598            // else it's a part of iso_tmp
599            } else {
600                mr_asprintf(iso_path, "%s", iso_tmp + strlen(iso_mnt));
601            }
602        }
603        mr_free(iso_mnt);
604        mr_free(iso_tmp);
605
606        log_it("isodir: %s", iso_path);
607        mr_free(iso_path);
608
609        log_it("iso-prefix: %s",  bkpinfo->prefix);
610
611/* End patch */
612    }                           // end of iso code
613
614    if (bkpinfo->backup_media_type == netfs) {
615        if (bkpinfo->netfs_mount) {
616            mr_asprintf(hostname, "%s", bkpinfo->netfs_mount);
617        } else {
618            log_it("netfs_mount is NULL");
619            retval++;
620            mr_asprintf(hostname, "");
621        }
622        colon = strchr(hostname, ':');
623        if (!colon) {
624            log_it("netfs mount doesn't have a colon in it");
625            retval++;
626        } else {
627            struct hostent *hent;
628
629            *colon = '\0';
630            hent = gethostbyname(hostname);
631            if (!hent) {
632                log_it("Can't resolve Network mount (%s): %s", hostname, hstrerror(h_errno));
633                retval++;
634            } else {
635                mr_asprintf(ip_address, "%s", inet_ntoa((struct in_addr) *((struct in_addr *) hent->h_addr)));
636                mr_strcat(ip_address, strchr(bkpinfo->netfs_mount, ':'));
637                mr_free(bkpinfo->netfs_mount);
638                bkpinfo->netfs_mount = ip_address;
639            }
640        }
641        mr_free(hostname);
642        store_netfs_config();
643    }
644
645    log_it("Finished processing incoming params");
646    if (retval) {
647        fprintf(stderr, "Type 'man mondoarchive' for help.\n");
648    }
649    if (bkpinfo->include_paths == NULL) {
650        mr_asprintf(p, "/");
651        bkpinfo->include_paths = p;
652    }
653    g_backup_media_type = bkpinfo->backup_media_type;
654    return (retval);
655}
656
657
658
659/**
660 * Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
661 * Seeds the random-number generator, loads important modules, checks the sanity
662 * of the user's Linux distribution, and deletes logfile.
663 * @param bkpinfo The backup information structure. Will be initialized.
664 * @return number of errors (0 for success)
665 */
666int pre_param_configuration()
667{
668    int res = 0;
669    char *tmp = NULL;
670
671    make_hole_for_dir(MNT_CDROM);
672    assert(bkpinfo != NULL);
673    srandom((unsigned long) (time(NULL)));
674    insmod_crucial_modules();
675    if (bkpinfo->disaster_recovery) {
676        if (!does_nonMS_partition_exist()) {
677            fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
678        }
679    }
680
681    mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
682    run_program_and_log_output(tmp, FALSE);
683    paranoid_free(tmp);
684    if (find_and_store_mondoarchives_home(g_mondo_home)) {
685        fprintf(stderr, "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");
686        res++;
687        return (res);
688    }
689    res += some_basic_system_sanity_checks();
690    if (res) {
691        log_it("Your distribution did not pass Mondo's sanity test.");
692    }
693    g_current_media_number = 1;
694    return (res);
695}
696
697void setup_tmpdir(char *path) {
698
699    char *tmp = NULL;
700    char *p = NULL;
701
702    if ((bkpinfo->tmpdir != NULL) && (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL)) {
703        /* purging a potential old tmpdir */
704        log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
705        mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
706        mr_free(bkpinfo->tmpdir);
707        (void)system(tmp);
708        mr_free(tmp);
709    }
710
711    /* Always take in account env first */
712    if (getenv("TMPDIR")) {
713        mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
714    } else if (getenv("TMP")) {
715        mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
716    } else if (path != NULL) {
717        mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
718    } else {
719        mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
720    }
721    p = mkdtemp(tmp);
722    if (p == NULL) {
723        log_it("Failed to create global tmp directory %s for Mondo.",tmp);
724        mr_free(tmp);
725        finish(-1);
726    }
727
728    bkpinfo->tmpdir = p;
729    log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
730}
731
732/* Free all memory allocated into bkpinfo */
733void mr_free_bkpinfo() {
734
735    log_msg(1, "Freeing bkpinfo");
736    mr_free(bkpinfo->media_device);
737    mr_free(bkpinfo->boot_device);
738    mr_free(bkpinfo->zip_exe);
739    mr_free(bkpinfo->zip_suffix);
740    mr_free(bkpinfo->image_devs);
741    mr_free(bkpinfo->isodir);
742    mr_free(bkpinfo->prefix);
743    mr_free(bkpinfo->scratchdir);
744    mr_free(bkpinfo->tmpdir);
745    mr_free(bkpinfo->include_paths);
746    mr_free(bkpinfo->exclude_paths);
747    mr_free(bkpinfo->exclude_devs);
748    mr_free(bkpinfo->restore_path);
749    mr_free(bkpinfo->call_before_iso);
750    mr_free(bkpinfo->call_make_iso);
751    mr_free(bkpinfo->call_burn_iso);
752    mr_free(bkpinfo->call_after_iso);
753    mr_free(bkpinfo->kernel_path);
754    mr_free(bkpinfo->netfs_mount);
755    mr_free(bkpinfo->netfs_remote_dir);
756    mr_free(bkpinfo->netfs_user);
757    mr_free(bkpinfo->netfs_proto);
758    mr_free(bkpinfo->postnuke_tarball);
759    mr_free(bkpinfo->subdir);
760
761    /* Then free the structure */
762    mr_free(bkpinfo);
763}
764
765/**
766 * Reset all fields of the backup information structure to a sensible default.
767 * @param bkpinfo The @c bkpinfo to reset.
768 */
769void init_bkpinfo()
770{
771    int i;
772    log_msg(1, "Initializing bkpinfo");
773    bkpinfo = (struct s_bkpinfo *)mr_malloc(sizeof(struct s_bkpinfo));
774
775    /*  We need tmpdir as early as possible for further function calls */
776    bkpinfo->tmpdir = NULL;         // Really setup after
777    setup_tmpdir(NULL);
778
779    /* Initialized in same order as in the structure declaration to detect errors more easily */
780    bkpinfo->media_device = NULL;
781    for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
782        bkpinfo->media_size[i] = -1;
783    }
784    bkpinfo->boot_loader = '\0';
785    bkpinfo->boot_device = NULL;
786    bkpinfo->zip_exe = NULL;
787    bkpinfo->zip_suffix = NULL;
788    bkpinfo->image_devs = NULL;
789    bkpinfo->compression_level = 3;
790    bkpinfo->use_lzo = FALSE;
791    bkpinfo->use_gzip = FALSE;
792    bkpinfo->use_lzma = FALSE;
793    bkpinfo->verify_data = FALSE;
794    bkpinfo->backup_data = FALSE;
795    bkpinfo->restore_data = FALSE;
796    bkpinfo->use_star = FALSE;
797    bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
798    bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
799    if (bkpinfo->disaster_recovery) {
800        mr_asprintf(bkpinfo->isodir, "%s", "/");
801    } else {
802        mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
803    }
804    mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
805    /*   bkpinfo->tmpdir is here in the struct */
806    bkpinfo->scratchdir = NULL;     // Really setup after
807    bkpinfo->optimal_set_size = 0;
808    bkpinfo->backup_media_type = none;
809    bkpinfo->make_filelist = TRUE;  // unless -J supplied to mondoarchive
810    bkpinfo->include_paths = NULL;
811    bkpinfo->exclude_paths = NULL;
812    bkpinfo->exclude_devs = NULL;
813    bkpinfo->restore_path = NULL;
814    bkpinfo->call_before_iso = NULL;
815    bkpinfo->call_make_iso = NULL;
816    bkpinfo->call_burn_iso = NULL;
817    bkpinfo->call_after_iso = NULL;
818    bkpinfo->kernel_path = NULL;
819    bkpinfo->netfs_mount = NULL;
820    bkpinfo->netfs_remote_dir = NULL;
821    bkpinfo->netfs_user = NULL;
822    bkpinfo->netfs_proto = NULL;
823    bkpinfo->postnuke_tarball = NULL;
824    bkpinfo->subdir = NULL;
825    bkpinfo->wipe_media_first = FALSE;
826    bkpinfo->differential = 0;
827    bkpinfo->please_dont_eject = FALSE;
828    bkpinfo->cdrw_speed = 0;
829    bkpinfo->manual_cd_tray = FALSE;
830    bkpinfo->nonbootable_backup = FALSE;
831    bkpinfo->make_cd_use_lilo = FALSE;
832    bkpinfo->use_obdr = FALSE;
833    bkpinfo->restore_mode = interactive;
834
835    sensibly_set_scratchdir();
836}
837
838
839
840
841/**
842 * Get the remaining free space (in MB) on @p partition.
843 * @param partition The partition to check free space on (either a device or a mountpoint).
844 * @return The free space on @p partition, in MB.
845 */
846long free_space_on_given_partition(char *partition)
847{
848    char *out_sz = NULL;
849    char *command = NULL;
850    long res;
851
852    assert_string_is_neither_NULL_nor_zerolength(partition);
853
854    mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
855    if (system(command)) {
856        mr_free(command);
857        return (-1);
858    }                           // partition does not exist
859    mr_free(command);
860
861    mr_asprintf(command, "df -m -P %s | tail -n1 | tr -s ' ' '\t' | cut -f4", partition);
862    out_sz = call_program_and_get_last_line_of_output(command,TRUE);
863    mr_free(command);
864
865    if (strlen(out_sz) == 0) {
866        mr_free(out_sz);
867        return (-1);
868    }                           // error within df, probably
869    res = atol(out_sz);
870    mr_free(out_sz);
871    return (res);
872}
873
874
875
876/**
877 * Check the user's system for sanity. Checks performed:
878 * - make sure user has enough RAM (32mb required, 64mb recommended)
879 * - make sure user has enough free space in @c /
880 * - check kernel for ramdisk support
881 * - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
882 * - make sure CD-ROM is unmounted
883 * - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
884 *
885 * @return number of problems with the user's setup (0 for success)
886 */
887int some_basic_system_sanity_checks()
888{
889
890    /*@ buffers ************ */
891    char *tmp = NULL;
892
893    /*@ int's *************** */
894    int retval = 0;
895
896    mvaddstr_and_log_it(g_currentY, 0,
897                        "Checking sanity of your Linux distribution");
898#ifndef __FreeBSD__
899    if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
900        && !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
901        log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
902        run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
903    }
904    tmp = call_program_and_get_last_line_of_output("free | grep Mem | head -n1 | tr -s ' ' '\t' | cut -f2",TRUE);
905    if (atol(tmp) < 35000) {
906        retval++;
907        log_to_screen("You must have at least 32MB of RAM to use Mondo.");
908    }
909    if (atol(tmp) < 66000) {
910        log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
911    }
912    mr_free(tmp);
913#endif
914
915    if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
916        retval++;
917        log_to_screen
918            ("Unable to find " MKE2FS_OR_NEWFS " in system path.");
919        fatal_error
920            ("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. :)");
921    }
922#ifndef __FreeBSD__
923    if (run_program_and_log_output
924        ("grep ramdisk /proc/devices", FALSE)) {
925        /* Some SuSE have ramdisk as modules, so insert it first, then test again */
926        run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
927        if (run_program_and_log_output
928            ("grep ramdisk /proc/devices", FALSE)) {
929            if (!ask_me_yes_or_no
930                ("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?"))
931            {
932                //          retval++;
933                log_to_screen
934                    ("It looks as if your kernel lacks ramdisk and initrd support.");
935                log_to_screen
936                    ("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
937            }
938        }
939    }
940#endif
941    retval += whine_if_not_found(MKE2FS_OR_NEWFS);
942    if (system("which genisoimage > /dev/null 2> /dev/null")) {
943        retval += whine_if_not_found("mkisofs");
944    }
945    if (system("which wodim > /dev/null 2> /dev/null")) {
946        retval += whine_if_not_found("cdrecord");
947    }
948    retval += whine_if_not_found("bzip2");
949    retval += whine_if_not_found("gzip");
950    retval += whine_if_not_found("awk");
951    retval += whine_if_not_found("md5sum");
952    retval += whine_if_not_found("strings");
953    retval += whine_if_not_found("mindi");
954    retval += whine_if_not_found("buffer");
955
956    // abort if Windows partition but no ms-sys and parted
957    if (!run_program_and_log_output("mount | grep -Ew 'vfat|fat|dos' | grep -vE \"/dev/fd|nexdisk\"", 0)) {
958        log_to_screen("I think you have a Windows 9x partition.");
959        retval += whine_if_not_found("parted");
960    }
961
962    if (!find_home_of_exe("cmp")) {
963        whine_if_not_found("cmp");
964    }
965
966    run_program_and_log_output("umount `mount | grep cdr | cut -d' ' -f3 | tr '\n' ' '`", 5);
967    tmp = call_program_and_get_last_line_of_output("mount | grep -E \"cdr(om|w)\"",TRUE);
968    if (strcmp("", tmp)) {
969        if (strstr(tmp, "autofs")) {
970            log_to_screen
971                ("Your CD-ROM is mounted via autofs. I therefore cannot tell");
972            log_to_screen
973                ("if a CD actually is inserted. If a CD is inserted, please");
974            log_to_screen("eject it. Thank you.");
975            log_it
976                ("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
977        } else
978            if (run_program_and_log_output("uname -a | grep Knoppix", 5)) {
979            retval++;
980            mr_free(tmp);
981            fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
982        }
983    }
984    mr_free(tmp);
985
986    run_program_and_log_output("cat /etc/fstab", 5);
987#ifdef __FreeBSD__
988    run_program_and_log_output("vinum printconfig", 5);
989#else
990    run_program_and_log_output("cat /etc/raidtab", 5);
991#endif
992
993    if (run_program_and_log_output("mindi -V", 1)) {
994        log_to_screen("Could not ascertain mindi's version number.");
995        log_to_screen
996            ("You have not installed Mondo and/or Mindi properly.");
997        log_to_screen("Please uninstall and reinstall them both.");
998        fatal_error("Please reinstall Mondo and Mindi.");
999    }
1000    mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
1001    if (run_program_and_log_output(tmp, 5)) {
1002        mr_free(tmp);
1003        mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test failed for some reason.", bkpinfo->tmpdir);
1004        log_to_screen(tmp);
1005        log_to_screen
1006            ("Please run that command by hand and examine /var/log/mindi.log");
1007        log_to_screen
1008            ("for more information. Perhaps your /etc/fstab file is insane.");
1009        log_to_screen
1010            ("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
1011        retval++;
1012    }
1013    mr_free(tmp);
1014
1015    if (!run_program_and_log_output("parted2fdisk -l | grep -i raid", 1)
1016        && !does_file_exist("/etc/raidtab")) {
1017        log_to_screen
1018            ("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
1019        create_raidtab_from_mdstat("/etc/raidtab");
1020    }
1021
1022    if (retval) {
1023        mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
1024    } else {
1025        mvaddstr_and_log_it(g_currentY++, 74, "Done.");
1026    }
1027    return (retval);
1028}
1029
1030/**
1031 * Retrieve the line containing @p label from the config file.
1032 * @param config_file The file to read from, usually @c mondorestore.cfg.
1033 * @param label What to read from the file.
1034 * @param value Where to put it.
1035 * @return value of the param or NULL if not found
1036 */
1037char *read_cfg_var(char *config_file, char *label)
1038{
1039    /*@ buffer ****************************************************** */
1040    char *command = NULL;
1041    char *value = NULL;
1042
1043    /*@ end vars *************************************************** */
1044
1045    assert_string_is_neither_NULL_nor_zerolength(config_file);
1046    assert_string_is_neither_NULL_nor_zerolength(label);
1047    if (!does_file_exist(config_file)) {
1048        log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
1049        return (NULL);
1050    } else {
1051        mr_asprintf(command, "grep '%s .*' %s| cut -d' ' -f2,3,4,5", label, config_file);
1052        value = call_program_and_get_last_line_of_output(command,TRUE);
1053        mr_free(command);
1054
1055        log_msg(4, "Configuration item %s is %s", label, value);
1056        if (strlen(value) == 0) {
1057            return (NULL);
1058        } else {
1059            return (value);
1060        }
1061    }
1062}
1063
1064
1065
1066/**
1067 * Remount @c supermount if it was unmounted earlier.
1068 */
1069void remount_supermounts_if_necessary()
1070{
1071    if (g_remount_cdrom_at_end) {
1072        run_program_and_log_output("mount " MNT_CDROM, FALSE);
1073    }
1074    if (g_remount_floppy_at_end) {
1075        run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
1076    }
1077}
1078
1079/**
1080 * Unmount @c supermount if it's mounted.
1081 */
1082void unmount_supermounts_if_necessary()
1083{
1084    if (run_program_and_log_output
1085        ("mount | grep cdrom | grep super", FALSE) == 0) {
1086        g_remount_cdrom_at_end = TRUE;
1087        run_program_and_log_output("umount " MNT_CDROM, FALSE);
1088    }
1089    if (run_program_and_log_output
1090        ("mount | grep floppy | grep super", FALSE) == 0) {
1091        g_remount_floppy_at_end = TRUE;
1092        run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
1093    }
1094}
1095
1096/**
1097 * Whether we had to stop autofs (if so, restart it at end).
1098 */
1099bool g_autofs_stopped = FALSE;
1100
1101/**
1102 * Path to the autofs initscript ("" if none exists).
1103 */
1104char g_autofs_exe[MAX_STR_LEN];
1105
1106/**
1107 * Autofs initscript in Xandros Linux distribution.
1108 */
1109#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
1110
1111/**
1112 * Autofs initscript in most Linux distributions.
1113 */
1114#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
1115
1116/**
1117 * If autofs is mounted, stop it (restart at end).
1118 */
1119void stop_autofs_if_necessary()
1120{
1121    char *tmp = NULL;
1122
1123    g_autofs_exe[0] = '\0';
1124    if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
1125        strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
1126    } else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
1127        strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
1128    }
1129
1130    if (!g_autofs_exe[0]) {
1131        log_msg(3, "No autofs detected.");
1132    } else {
1133        log_msg(3, "%s --- autofs detected", g_autofs_exe);
1134        // FIXME -- only disable it if it's running ---  sprintf(tmp, "%s status", autofs_exe);
1135        mr_asprintf(tmp, "%s stop", g_autofs_exe);
1136        if (run_program_and_log_output(tmp, 2)) {
1137            log_it("Failed to stop autofs - I assume it wasn't running");
1138        } else {
1139            g_autofs_stopped = TRUE;
1140            log_it("Stopped autofs OK");
1141        }
1142        mr_free(tmp);
1143    }
1144}
1145
1146/**
1147 * If autofs was stopped earlier, restart it.
1148 */
1149void restart_autofs_if_necessary()
1150{
1151    char *tmp = NULL;
1152
1153    if (!g_autofs_stopped || !g_autofs_exe[0]) {
1154        log_msg(3, "No autofs detected.");
1155        return;
1156    }
1157    mr_asprintf(tmp, "%s start", g_autofs_exe);
1158    if (run_program_and_log_output(tmp, 2)) {
1159        log_it("Failed to start autofs");
1160    } else {
1161        g_autofs_stopped = FALSE;
1162        log_it("Started autofs OK");
1163    }
1164    mr_free(tmp);
1165}
1166
1167
1168/**
1169 * If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
1170 */
1171void mount_boot_if_necessary() {
1172    char *tmp = NULL;
1173    char *command = NULL;
1174
1175    log_msg(1, "Started sub");
1176    log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
1177    g_boot_mountpt[0] = '\0';
1178    log_msg(4, "Done. Great. Seeting command to something");
1179    mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab | grep -vE '^#.*$' | grep -E \"[   ]/boot[     ]\" | tr -s ' ' '\t' | cut -f1 | head -n1");
1180    log_msg(4, "Cool. Command = '%s'", command);
1181    tmp = call_program_and_get_last_line_of_output(command,TRUE);
1182    mr_free(command);
1183
1184    log_msg(4, "tmp = '%s'", tmp);
1185    log_it("/boot is at %s according to /etc/fstab", tmp);
1186    mr_asprintf(command, "mount | grep -Ew '/boot'");
1187    mr_free(tmp);
1188    tmp = call_program_and_get_last_line_of_output(command,TRUE);
1189    mr_free(command);
1190
1191    if (!strcmp(tmp,"")) {
1192        if ((strstr(tmp, "LABEL=") != NULL) || (strstr(tmp,"UUID=")!= NULL)) {
1193            if (!run_program_and_log_output("mount /boot", 5)) {
1194                strcpy(g_boot_mountpt, "/boot");
1195                log_msg(1, "Mounted /boot");
1196            } else {
1197                log_it("...ignored cos it's a label or uuid :-)");
1198            }
1199        } else {
1200            mr_asprintf(command, "mount | grep -E '^%s'", tmp);
1201            log_msg(3, "command = %s", command);
1202            if (run_program_and_log_output(command, 5)) {
1203                strcpy(g_boot_mountpt, tmp);
1204                mr_free(tmp);
1205                log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
1206
1207                mr_asprintf(tmp, "mount %s", g_boot_mountpt);
1208                if (run_program_and_log_output(tmp, 5)) {
1209                    g_boot_mountpt[0] = '\0';
1210                    log_msg(1, "Plan B");
1211                    if (!run_program_and_log_output("mount /boot", 5)) {
1212                        strcpy(g_boot_mountpt, "/boot");
1213                        log_msg(1, "Plan B worked");
1214                    } else {
1215                        log_msg(1,
1216                            "Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
1217                    }
1218                }
1219            }
1220            mr_free(command);
1221        }
1222    }
1223    mr_free(tmp);
1224    log_msg(1, "Ended sub");
1225}
1226
1227
1228/**
1229 * If we mounted /boot earlier, unmount it.
1230 */
1231void unmount_boot_if_necessary()
1232{
1233    char *tmp = NULL;
1234
1235    log_msg(3, "starting");
1236    if (g_boot_mountpt[0]) {
1237        mr_asprintf(tmp, "umount %s", g_boot_mountpt);
1238        if (run_program_and_log_output(tmp, 5)) {
1239            log_it("WARNING - unable to unmount /boot");
1240        }
1241        mr_free(tmp);
1242    }
1243    log_msg(3, "leaving");
1244}
1245
1246
1247
1248/**
1249 * Write a line to a configuration file. Writes a line of the form,
1250 * @c label @c value.
1251 * @param config_file The file to write to. Usually @c mondorestore.cfg.
1252 * @param label What to call this bit of data you're writing.
1253 * @param value The bit of data you're writing.
1254 * @return 0 for success, 1 for failure.
1255 */
1256int write_cfg_var(char *config_file, char *label, char *value)
1257{
1258    /*@ buffers ***************************************************** */
1259    char *command = NULL;
1260    char *tempfile = NULL;
1261
1262
1263    /*@ end vars *************************************************** */
1264    assert_string_is_neither_NULL_nor_zerolength(config_file);
1265    assert_string_is_neither_NULL_nor_zerolength(label);
1266    assert(value != NULL);
1267    if (!does_file_exist(config_file)) {
1268        log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
1269        return (1);
1270    }
1271    mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
1272    if (does_file_exist(config_file)) {
1273        mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
1274        paranoid_system(command);
1275        mr_free(command);
1276    }
1277    mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
1278    paranoid_system(command);
1279    mr_free(command);
1280
1281    mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
1282    paranoid_system(command);
1283    mr_free(command);
1284    unlink(tempfile);
1285    mr_free(tempfile);
1286    return (0);
1287}
1288
1289
1290/**
1291 * The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
1292 * information to the logfile.
1293 */
1294void standard_log_debug_msg(int debug_level, const char *szFile, const char *szFunction, int nLine, const char *fmt, ...) {
1295
1296    va_list args;
1297    static int depth = 0;
1298    FILE *fout;
1299
1300    if (depth > 5) {
1301        depth--;
1302        return;
1303    }
1304    depth++;
1305
1306    if (debug_level <= g_loglevel) {
1307        if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
1308            return;
1309        }
1310
1311        // add tabs to distinguish log levels
1312        if (debug_level > 0) {
1313            fprintf(fout, "DBG%d: ", debug_level);
1314            if (getpid() == g_main_pid)
1315                fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
1316            else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
1317                fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
1318            else
1319                fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
1320        } else {
1321            fprintf(fout, "INFO: ");
1322        }
1323        va_start(args, fmt);
1324        vfprintf(fout, fmt, args);
1325        va_end(args);
1326
1327        fprintf(fout, "\n");
1328        paranoid_fclose(fout);
1329    }
1330    depth--;
1331}
1332
1333/**
1334 * Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
1335 */
1336void (*log_debug_msg) (int, const char *, const char *, int, const char *,
1337                       ...) = standard_log_debug_msg;
1338
1339
1340/**
1341 * Allocate or free important globals, depending on @p mal.
1342 * @param mal If TRUE, malloc; if FALSE, free.
1343 */
1344void do_libmondo_global_strings_thing(int mal)
1345{
1346    if (mal) {
1347        malloc_string(g_boot_mountpt);
1348        malloc_string(g_mondo_home);
1349        malloc_string(g_magicdev_command);
1350    } else {
1351        paranoid_free(g_boot_mountpt);
1352        paranoid_free(g_mondo_home);
1353        paranoid_free(g_magicdev_command);
1354
1355        mr_free(g_serial_string);
1356    }
1357}
1358
1359/**
1360 * Allocate important globals.
1361 * @see do_libmondo_global_strings_thing
1362 */
1363void malloc_libmondo_global_strings(void)
1364{
1365    do_libmondo_global_strings_thing(1);
1366}
1367
1368/**
1369 * Free important globals.
1370 * @see do_libmondo_global_strings_thing
1371 */
1372void free_libmondo_global_strings(void)
1373{
1374    do_libmondo_global_strings_thing(0);
1375}
1376
1377
1378
1379/**
1380 * Stop @c magicdev if it's running.
1381 * The command used to start it is saved in @p g_magicdev_command.
1382 */
1383void stop_magicdev_if_necessary() {
1384
1385    char *tmp = NULL;
1386
1387    tmp = call_program_and_get_last_line_of_output("ps ax | grep -w magicdev | grep -v grep | tr -s '\t' ' '| cut -d' ' -f6-99",TRUE);
1388
1389    strcpy(g_magicdev_command, tmp);
1390    mr_free(tmp);
1391
1392    if (g_magicdev_command[0]) {
1393        log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
1394        paranoid_system("killall magicdev");
1395    }
1396}
1397
1398
1399/**
1400 * Restart magicdev if it was stopped.
1401 */
1402void restart_magicdev_if_necessary()
1403{
1404    char *tmp = NULL;
1405
1406    if (g_magicdev_command && g_magicdev_command[0]) {
1407        mr_asprintf(tmp, "%s &", g_magicdev_command);
1408        paranoid_system(tmp);
1409        mr_free(tmp);
1410    }
1411}
1412
1413/* @} - end of utilityGroup */
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