source: MondoRescue/branches/3.1/mondo/src/common/libmondo-devices.c@ 2937

/* libmondo-devices.c                 Subroutines for handling devices
   $Id: libmondo-devices.c 2937 2012-01-28 00:51:28Z bruno $
*/

/**
 * @file
 * Functions to handle interactions with backup devices.
 */

#include "my-stuff.h"
#include "mr_mem.h"
#include "mr_str.h"
#include "mondostructures.h"
#include "libmondo-files-EXT.h"
#include "libmondo-devices.h"
#include "lib-common-externs.h"
#include "libmondo-string-EXT.h"
#include "libmondo-tools-EXT.h"
#include "libmondo-gui-EXT.h"
#include "libmondo-fork-EXT.h"
#include "libmondo-stream-EXT.h"

extern void mr_strip_spaces(char *);

#include <sys/types.h>
#ifdef __FreeBSD__
#define DKTYPENAMES
#define FSTYPENAMES
#include <sys/disklabel.h>
#include <sys/disk.h>
#elif linux
#define u64 unsigned long long
#include <linux/fs.h>           /* for BLKGETSIZE64 */
#include <linux/hdreg.h>
#endif

/*@unused@*/
//static char cvsid[] = "$Id: libmondo-devices.c 2937 2012-01-28 00:51:28Z bruno $";
//

extern char *which_compression_type();
/* Do we use extended attributes and acl ?  */
extern char *g_getfacl;
extern char *g_getfattr;

extern int g_current_media_number;
extern double g_kernel_version;

extern bool g_ISO_restore_mode;
extern char *g_selfmounted_isodir;
extern char *MONDO_LOGFILE;

static char g_cdrw_drive_is_here[MAX_STR_LEN / 4] = "";
static char g_cdrom_drive_is_here[MAX_STR_LEN / 4] = "";
static char g_dvd_drive_is_here[MAX_STR_LEN / 4] = "";


/**
 * ????? @bug ?????
 * @ingroup globalGroup
 */
extern t_bkptype g_backup_media_type;   // set by main()

/* Reference to global bkpinfo */
extern struct s_bkpinfo *bkpinfo;

/* Stuff that handles the -I and -E option when a whole disk DSF is used */
typedef struct mounted_fs_struct {
    char device[MAX_STR_LEN];       /* The name of the device */
    char mount_point[MAX_STR_LEN];  /* The devices mount point */
    unsigned char check;            /* 1 == included on DSF */
    struct mounted_fs_struct *next;
} MOUNTED_FS_STRUCT;

static MOUNTED_FS_STRUCT *DSF_Head = NULL;      /* Points to the first entry of mounted_fs_struct list */
static MOUNTED_FS_STRUCT *DSF_Tail = NULL;      /* Points to the last entry of mounted_fs_struct list */


void set_g_cdrom_and_g_dvd_to_bkpinfo_value() {

    if (bkpinfo->media_device) {
        strcpy(g_cdrom_drive_is_here, bkpinfo->media_device);   // just in case
        strcpy(g_dvd_drive_is_here, bkpinfo->media_device); // just in case
    }
}



/**
 * Retract all CD trays and wait for autorun to complete.
 * @ingroup deviceGroup
 */
void retract_CD_tray_and_defeat_autorun(void)
{
//  log_it("rctada: Retracting all CD trays", __LINE__);
    if (!bkpinfo->please_dont_eject) {
        if (strlen(g_cdrom_drive_is_here) > 0) {
            inject_device(g_cdrom_drive_is_here);
        }
        if (strlen(g_dvd_drive_is_here) > 0) {
            inject_device(g_dvd_drive_is_here);
        }
        if (strlen(g_cdrw_drive_is_here) > 0) {
            inject_device(g_cdrw_drive_is_here);
        }
    }
//  log_it("rctada: killing autorun");
//  run_program_and_log_output("killall autorun", TRUE);
    if (!run_program_and_log_output("ps | grep autorun | grep -v grep", 5)) {
        log_it("autorun detected; sleeping for 2 seconds");
        sleep(2);
    }
    log_it("rctada: Unmounting all CD drives", __LINE__);
    run_program_and_log_output("umount /dev/cdr* /dev/dvd*", 5);
}



/**
 * Determine whether we're booted off a ramdisk.
 * @return @c TRUE (we are) or @c FALSE (we aren't).
 * @ingroup utilityGroup
 */
bool am_I_in_disaster_recovery_mode(void)
{
    char *tmp = NULL;
    bool is_this_a_ramdisk = FALSE;

    tmp = where_is_root_mounted();
    log_msg(0, "root is currently mounted at %s", tmp);

#ifdef __FreeBSD__
    if (strstr(tmp, "/dev/md")) {
        is_this_a_ramdisk = TRUE;
    }
#else
    if (!strncmp(tmp, "/dev/ram", 8)
        || (!strncmp(tmp, "/dev/rd", 7) && !strcmp(tmp, "/dev/rd/")
            && strncmp(tmp, "/dev/rd/cd", 10)) || strstr(tmp, "rootfs")
        || !strcmp(tmp, "/dev/root")) {
        is_this_a_ramdisk = TRUE;
    } else {
        is_this_a_ramdisk = FALSE;
    }
#endif
    mr_free(tmp);

    log_msg(1, "Is this a ramdisk? result = %s", (is_this_a_ramdisk) ? "TRUE" : "FALSE");
    return (is_this_a_ramdisk);
}





/**
 * Turn @c bkpinfo->backup_media_type into a human-readable string.
 * @return The human readable string (e.g. @c cdr becomes <tt>"cdr"</tt>).
 * @note The returned string points to static storage that will be overwritten with each call.
 * @ingroup stringGroup
 */
static char *bkptype_to_string(t_bkptype bt)
{
    char *output;
    switch (bt) {
    case none:
        mr_asprintf(output, "none");
        break;
    case iso:
        mr_asprintf(output, "iso");
        break;
    case cdr:
        mr_asprintf(output, "cdr");
        break;
    case cdrw:
        mr_asprintf(output, "cdrw");
        break;
    case cdstream:
        mr_asprintf(output, "cdstream");
        break;
    case netfs:
        mr_asprintf(output, "netfs");
        break;
    case tape:
        mr_asprintf(output, "tape");
        break;
    case udev:
        mr_asprintf(output, "udev");
        break;
    case usb:
        mr_asprintf(output, "usb");
        break;
    default:
        mr_asprintf(output, "default");
    }
    return (output);
}



/**
 * @addtogroup deviceGroup
 * @{
 */
/**
 * Eject the tray of the specified CD device.
 * @param dev The device to eject.
 * @return the return value of the @c eject command. (0=success, nonzero=failure)
 */
int eject_device(char *dev)
{
    char *command = NULL;
    int res1 = 0, res2 = 0;

    if (dev == NULL) {
        return (1);
    }

    if (IS_THIS_A_STREAMING_BACKUP(g_backup_media_type)
        && g_backup_media_type != udev) {
        mr_asprintf(command, "mt -f %s offline", dev);
        res1 = run_program_and_log_output(command, 1);
        mr_free(command);
    } else {
        res1 = 0;
    }

#ifdef __FreeBSD__
    if (strstr(dev, "acd")) {
        mr_asprintf(command, "cdcontrol -f %s eject", dev);
    } else {
        mr_asprintf(command, "camcontrol eject `echo %s | sed 's|/dev/||'`", dev);
    }
#else
    mr_asprintf(command, "eject %s", dev);
#endif

    log_msg(3, "Ejecting %s", dev);
    res2 = run_program_and_log_output(command, 1);
    mr_free(command);
    if (res1 && res2) {
        return (1);
    } else {
        return (0);
    }
}

/**
 * Load (inject) the tray of the specified CD device.
 * @param dev The device to load/inject.
 * @return 0 for success, nonzero for failure.
 */
int inject_device(char *dev)
{
    char *command = NULL;
    int i;

    if (dev == NULL) {
        return (1);
    }

#ifdef __FreeBSD__
    if (strstr(dev, "acd")) {
        mr_asprintf(command, "cdcontrol -f %s close", dev);
    } else {
        mr_asprintf(command, "camcontrol load `echo %s | sed 's|/dev/||'`", dev);
    }
#else
    mr_asprintf(command, "eject -t %s", dev);
#endif
    i = run_program_and_log_output(command, FALSE);
    mr_free(command);
    return (i);
}


/**
 * Determine whether the specified @p device (really, you can use any file)
 * exists.
 * @return TRUE if it exists, FALSE if it doesn't.
 */
bool does_device_exist(char *device)
{

    /*@ buffers *********************************************************** */
    char *tmp = NULL;
    bool ret;

    assert_string_is_neither_NULL_nor_zerolength(device);

    mr_asprintf(tmp, "ls %s > /dev/null 2> /dev/null", device);

    if (system(tmp)) {
        ret = FALSE;
    } else {
        ret = TRUE;
    }
    mr_free(tmp);
    return (ret);
}


/**
 * Determine whether a non-Microsoft partition exists on any connected hard drive.
 * @return TRUE (there's a Linux/FreeBSD partition) or FALSE (Microsoft has taken over yet another innocent PC).
 */
bool does_nonMS_partition_exist(void)
{
#if __FreeBSD__
    return
        !system
        ("for drive in /dev/ad? /dev/da?; do fdisk $drive | grep -q FreeBSD && exit 0; done; false");
#else
    return
        !system
        ("parted2fdisk -l 2>/dev/null | grep '^/dev/' | grep -Eqv '(MS|DOS|FAT|NTFS)'");
#endif
}

/**
 * Determine whether the specified @p partno exists on the specified @p drive.
 * @param drive The drive to search for the partition in.
 * @param partno The partition number to look for.
 * @return 0 if it exists, nonzero otherwise.
 */
int does_partition_exist(const char *drive, int partno)
{
    /*@ buffers **************************************************** */
    char *program = NULL;
    char *incoming = NULL;
    char *searchstr = NULL;
    char *tmp = NULL;

    /*@ ints ******************************************************* */
    int res = 0;

    /*@ pointers *************************************************** */
    FILE *fin;


    /*@ end vars *************************************************** */
    assert_string_is_neither_NULL_nor_zerolength(drive);
    assert(partno >= 0 && partno < 999);

#ifdef __FreeBSD__
    // We assume here that this is running from mondorestore. (It is.)
    tmp = build_partition_name(drive, partno);
    mr_asprintf(program, "ls %s %s >/dev/null 2>&1", drive, tmp);
    mr_free(tmp);

    res = system(program);
    mr_free(program);
    return (res);
#else
    /* To avoid compiler warnings */
    tmp = NULL;
#endif

    mr_asprintf(program, "parted2fdisk -l %s 2> /dev/null", drive);
    fin = popen(program, "r");
    if (!fin) {
        log_it("program=%s", program);
        log_OS_error("Cannot popen-in program");
        mr_free(program);
        return (0);
    }
    mr_free(program);

    searchstr = build_partition_name(drive, partno);
    mr_strcat(searchstr, " ");
    for (res = 0, mr_getline(incoming, fin); !res && !feof(fin) ; mr_getline(incoming, fin)) {
        if (strstr(incoming, searchstr)) {
            res = 1;
        }
        mr_free(incoming);
    }
    mr_free(incoming);
    mr_free(searchstr);

    if (pclose(fin)) {
        log_OS_error("Cannot pclose fin");
    }
    return (res);
}





/**
 * Determine whether given NULL-terminated @p str exists in the MBR of @p dev.
 * @param dev The device to look in.
 * @param str The string to look for.
 * @return TRUE if it exists, FALSE if it doesn't.
 */
bool does_string_exist_in_boot_block(char *dev, char *str)
{
    /*@ buffers **************************************************** */
    char *command = NULL;

    /*@ end vars *************************************************** */
    int i;

    assert_string_is_neither_NULL_nor_zerolength(dev);
    assert_string_is_neither_NULL_nor_zerolength(str);

    mr_asprintf(command, "dd if=%s bs=446 count=1 2> /dev/null | strings | grep \"%s\" > /dev/null 2> /dev/null", dev, str);
    i = system(command);
    mr_free(command);
    if (i) {
        return (FALSE);
    } else {
        return (TRUE);
    }
}

/**
 * Determine whether specified @p str exists in the first @p n sectors of
 * @p dev.
 * @param dev The device to look in.
 * @param str The string to look for.
 * @param n The number of 512-byte sectors to search.
 */
bool does_string_exist_in_first_N_blocks(char *dev, char *str, int n)
{
    /*@ buffers **************************************************** */
    char *command = NULL;
    /*@ end vars *************************************************** */
    int i;

    mr_asprintf(command, "dd if=%s bs=512 count=%i 2> /dev/null | strings | grep \"%s\" > /dev/null 2> /dev/null", dev, n, str);
    i = system(command);
    mr_free(command);
    if (i) {
        return (FALSE);
    } else {
        return (TRUE);
    }
}



/**
 * Try to mount CD-ROM at @p mountpoint. If the CD-ROM is not found or has
 * not been specified, call find_cdrom_device() to find it.
 * @param mountpoint Where to mount the CD-ROM.
 * @return 0 for success, nonzero for failure.
 * @see mount_CDROM_here
 */
int find_and_mount_actual_cd(char *mountpoint) {

    /*@ buffers ***************************************************** */

    /*@ int's  ****************************************************** */
    int res;
    char *dev = NULL;
    char *p = NULL;

    /*@ end vars **************************************************** */

    assert(bkpinfo != NULL);
    assert_string_is_neither_NULL_nor_zerolength(mountpoint);

    if (g_backup_media_type == dvd) {
        if (g_dvd_drive_is_here[0]) {
            mr_asprintf(dev, "%s", g_dvd_drive_is_here);
        }
        if (dev == NULL) {
            dev = find_dvd_device();
        }
    } else {
        if (g_cdrom_drive_is_here[0]) {
            mr_asprintf(dev, "%s", g_cdrom_drive_is_here);
        }
        if (dev == NULL) {
            dev = find_cdrom_device(FALSE);
        }
    }

    if (bkpinfo->backup_media_type != iso) {
        retract_CD_tray_and_defeat_autorun();
    }

    if ((dev == NULL) || (res = mount_CDROM_here(dev, mountpoint))) {
        p = popup_and_get_string ("CD-ROM device", "Please enter your CD-ROM's /dev device",dev);
        if (p == NULL) {
            res = 1;
        } else {
            res = mount_CDROM_here(p, mountpoint);
        }
        mr_free(p);
    }
    if (res) {
        log_msg(1, "mount failed");
    } else {
        log_msg(1, "mount succeeded with %s", dev);
    }
    mr_free(dev);
    return (res);
}






/**
 * Locate a CD-R/W writer's SCSI node.
 * @param cdrw_device SCSI node will be placed here.
 * @return 0 for success, nonzero for failure.
 */
char *find_cdrw_device()
{
    /*@ buffers ************************ */
    char *tmp = NULL;
    char *tmp1 = NULL;
    char *cdr_exe = NULL;
    char *command = NULL;
    char *cdrw_device = NULL;

    if (g_cdrw_drive_is_here[0]) {
        mr_asprintf(cdrw_device, "%s", g_cdrw_drive_is_here);
        log_msg(3, "Been there, done that. Returning %s", cdrw_device);
        return(cdrw_device);
    }
    if (g_backup_media_type == dvd) {
        log_msg(1, "This is dumb. You're calling find_cdrw_device() but you're backing up to DVD. WTF?");
        return(NULL);
    }
    run_program_and_log_output("insmod ide-scsi", -1);
    tmp = find_home_of_exe("cdrecord");
    if (tmp) {
        mr_asprintf(cdr_exe, "cdrecord");
    } else {
        mr_asprintf(cdr_exe, "dvdrecord");
    }
    mr_free(tmp);

    tmp1 = find_home_of_exe(cdr_exe);
    if (tmp1) {
        mr_asprintf(command, "%s -scanbus 2> /dev/null | tr -s '\t' ' ' | grep \"[0-9]*,[0-9]*,[0-9]*\" | grep -v \"[0-9]*) \\*\" | grep -E '[D|C][V|D]' | cut -d' ' -f2 | head -n1", cdr_exe);
        tmp = call_program_and_get_last_line_of_output(command,TRUE);
        mr_free(command);
    }
    mr_free(tmp1);

    if ((tmp == NULL) || (strlen(tmp) < 2)) {
        mr_free(tmp);
        mr_free(cdr_exe);
        return(NULL);
    } else {
        cdrw_device = tmp;
        log_it("Found CDRW device - %s", cdrw_device);
        strcpy(g_cdrw_drive_is_here, cdrw_device);
        mr_free(cdr_exe);
        return (cdrw_device);
    }
}


/**
 * Attempt to locate a CD-ROM device's /dev entry.
 * Several different methods may be used to find the device, including
 * calling @c cdrecord, searching @c dmesg, and trial-and-error.
 * @param output Where to put the located /dev entry.
 * @param try_to_mount Whether to mount the CD as part of the test; if mount
 * fails then return failure.
 * @return 0 for success, nonzero for failure.
 */
char *find_cdrom_device(bool try_to_mount)
{
    /*@ pointers **************************************************** */
    FILE *fin;
    char *p;
    char *q;
    char *r;

    /*@ bool's ****************************************************** */
    bool found_it = FALSE;

    /*@ buffers ***************************************************** */
    char *tmp = NULL;
    char *output = NULL;
    char *cdr_exe = NULL;
    char *phrase_two = NULL;
    char *command = NULL;
#ifndef __FreeBSD__
    char *dvd_last_resort = NULL;
#endif
    char *mountpoint = NULL;
    static char the_last_place_i_found_it[MAX_STR_LEN] = "";

    /*@ intialize *************************************************** */

    output = NULL;
#ifndef __FreeBSD__
    mr_asprintf(dvd_last_resort, "%s", "");;
#endif

    /*@ end vars **************************************************** */

    if (g_cdrom_drive_is_here[0] && !isdigit(g_cdrom_drive_is_here[0])) {
        mr_asprintf(output, "%s", g_cdrom_drive_is_here);
        log_msg(3, "Been there, done that. Returning %s", output);
        return(output);
    }
    if (the_last_place_i_found_it[0] != '\0' && !try_to_mount) {
        mr_asprintf(output, "%s", the_last_place_i_found_it);
        log_msg(3, "find_cdrom_device() --- returning last found location - '%s'", output);
        return(output);
    }

    mr_asprintf(mountpoint, "%s/cd.mnt", bkpinfo->tmpdir);
    make_hole_for_dir(mountpoint);

    tmp = find_home_of_exe("cdrecord");
    if (tmp) {
        mr_asprintf(cdr_exe, "cdrecord");
    } else {
        mr_asprintf(cdr_exe, "dvdrecord");
    }
    mr_free(tmp);

    tmp = find_home_of_exe(cdr_exe);
    if (!tmp) {
        mr_asprintf(output, "/dev/cdrom");
        log_msg(4, "Can't find cdrecord; assuming %s", output);
        mr_free(cdr_exe);
        if (!does_device_exist(output)) {
            log_msg(4, "That didn't work. Sorry.");
            mr_free(output);
        }
        mr_free(tmp);
        return(output);
    }
    mr_free(tmp);

    mr_asprintf(command, "%s -scanbus 2> /dev/null", cdr_exe);
    fin = popen(command, "r");
    log_msg(4, "command=%s", command);
    mr_free(command);

    if (!fin) {
        log_OS_error("Cannot popen command");
        mr_free(cdr_exe);
        return(NULL);
    }

    for (mr_getline(tmp, fin); !feof(fin); mr_getline(tmp, fin)) {
        p = strchr(tmp, '\'');
        if (p) {
            q = strchr(++p, '\'');
            if (q) {
                for (r = q; *(r - 1) == ' '; r--);
                *r = '\0';
                p = strchr(++q, '\'');
                if (p) {
                    q = strchr(++p, '\'');
                    if (q) {
                        while (*(q - 1) == ' ') {
                            q--;
                        }
                        *q = '\0';
                        mr_asprintf(phrase_two, "%s", p);
                    }
                }
            }
        }
        mr_free(tmp);
    }
    mr_free(tmp);
    paranoid_pclose(fin);

#ifndef __FreeBSD__
    if (!phrase_two || strlen(phrase_two) == 0) {
        log_msg(4, "Not running phase two. String is empty.");
    } else {
        mr_asprintf(command, "dmesg | grep \"%s\" 2> /dev/null", phrase_two);
        fin = popen(command, "r");
        mr_free(command);

        if (!fin) {
            log_msg(4, "Cannot run 2nd command - non-fatal, fortunately");
        } else {
            for (mr_getline(tmp, fin); !feof(fin); mr_getline(tmp, fin)) {
                log_msg(5, "--> '%s'", tmp);
                if (tmp[0] != ' ' && tmp[1] != ' ') {
                    p = strchr(tmp, ':');
                    if (p) {
                        *p = '\0';
                        if (strstr(tmp, "DVD")) {
                            mr_free(dvd_last_resort);
                            mr_asprintf(dvd_last_resort, "/dev/%s", tmp);
                            log_msg(4, "Ignoring '%s' because it's a DVD drive", tmp);
                        } else {
                            mr_asprintf(output, "/dev/%s", tmp);
                            found_it = TRUE;
                        }
                    }
                }
                mr_free(tmp);
            }
            paranoid_pclose(fin);
            mr_free(tmp);
        }
    }
    mr_free(phrase_two);

#endif
#ifdef __FreeBSD__
    if (!found_it) {
        log_msg(4, "OK, approach 2");
        if (!(output = set_dev_to_this_if_rx_OK("/dev/cdrom"))) {
            if (!(output = set_dev_to_this_if_rx_OK("/dev/cdrom1"))) {
                if (!(output = set_dev_to_this_if_rx_OK("/dev/dvd"))) {
                    if (!(output = set_dev_to_this_if_rx_OK("/dev/acd0"))) {
                        if (!(output = set_dev_to_this_if_rx_OK("/dev/cd01"))) {
                            if (!(output = set_dev_to_this_if_rx_OK("/dev/acd1"))) {
                                if (!(output = set_dev_to_this_if_rx_OK("/dev/cd1"))) {
                                    mr_free(cdr_exe);
                                    return(NULL);
                                }
                            }
                        }
                    }
                }
            }
        }
    }
#else
    if (!found_it && strlen(dvd_last_resort) > 0) {
        log_msg(4, "Well, I'll use the DVD - %s - as a last resort", dvd_last_resort);
        mr_asprintf(output, "%s", dvd_last_resort);
        found_it = TRUE;
    }
    mr_free(dvd_last_resort);

    if (found_it) {
        mr_asprintf(tmp, "grep \"%s=ide-scsi\" " CMDLINE " &> /dev/null", strrchr(output, '/') + 1);
        if (system(tmp) == 0) {
            log_msg(4, "%s is not right. It's being SCSI-emulated. Continuing.", output);
            found_it = FALSE;
            mr_free(output);
        }
        mr_free(tmp);
    }

    if (found_it) {
        log_msg(4, "(find_cdrom_device) --> '%s'", output);
        if (!does_device_exist(output)) {
            found_it = FALSE;
            log_msg(4, "OK, I was wrong, I haven't found it... yet.");
            mr_free(output);
        }
    }

    if (!found_it) {
        log_msg(4, "OK, approach 2");
        if (!(output = set_dev_to_this_if_rx_OK("/dev/scd0"))) {
            if (!(output = set_dev_to_this_if_rx_OK("/dev/sr0"))) {
                if (!(output = set_dev_to_this_if_rx_OK("/dev/cdrom"))) {
                    if (!(output = set_dev_to_this_if_rx_OK("/dev/cdrom0"))) {
                        if (!(output = set_dev_to_this_if_rx_OK("/dev/cdrom1"))) {
                            if (!(output = set_dev_to_this_if_rx_OK("/dev/sr1"))) {
                                if (!(output = set_dev_to_this_if_rx_OK("/dev/dvd"))) {
                                    if (!(output = set_dev_to_this_if_rx_OK(g_cdrw_drive_is_here))) {
                                        mr_free(cdr_exe);
                                        return(NULL);
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
#endif

    if (found_it && try_to_mount) {
        if (mount_CDROM_here(output, mountpoint)) {
            log_msg(4, "[Cardigans] I've changed my mind");
            found_it = FALSE;
            mr_free(output);
        } else {
            mr_asprintf(tmp, "%s/archives", mountpoint);
            if (!does_file_exist(tmp)) {
                log_msg(4, "[Cardigans] I'll take it back");
                found_it = FALSE;
                mr_free(output);
            } else {
                mr_asprintf(command, "umount %s", output);
                paranoid_system(command);
                mr_free(command);

                log_msg(4, "I'm confident the Mondo CD is in %s", output);
            }
            mr_free(tmp);
        }
    }
    unlink(mountpoint);
    mr_free(mountpoint);

    if (found_it) {
        if (!does_file_exist(output)) {
            log_msg(3, "I still haven't found it.");
            mr_free(cdr_exe);
            mr_free(output);
            return (NULL);
        }
        log_msg(3, "(find_cdrom_device) --> '%s'", output);
        strcpy(the_last_place_i_found_it, output);
        strcpy(g_cdrom_drive_is_here, output);
        mr_free(cdr_exe);
        return (output);
    }

    mr_asprintf(command, "%s -scanbus | grep \"[0-9],[0-9],[0-9]\" | grep \"[D|C][V|D]\" | grep -n \"\" | grep \"%s\" | cut -d':' -f2", cdr_exe, g_cdrw_drive_is_here);
    mr_free(cdr_exe);

    log_msg(1, "command=%s", command);
    tmp = call_program_and_get_last_line_of_output(command,TRUE);
    mr_free(command);

    mr_free(output);
    if (strlen(tmp) > 0) {
        mr_asprintf(output, "%s", tmp);
        log_msg(4, "Finally found it at %s", output);
    } else {
        log_msg(4, "Still couldn't find it.");
    }
    mr_free(tmp);

    return (output);
}


char *find_dvd_device()
{
    char *tmp = NULL;
    int devno = -1;
    char *output = NULL;

    if (g_dvd_drive_is_here[0]) {
        mr_asprintf(output, "%s", g_dvd_drive_is_here);
        log_msg(3, "Been there, done that. Returning %s", output);
        return (output);
    }

    tmp = call_program_and_get_last_line_of_output("dvdrecord -scanbus 2> /dev/null | grep \") '\" | grep -n \"\" | grep -E '[D|C][V|D]' | cut -d':' -f1",TRUE);
    log_msg(5, "tmp = '%s'", tmp);
    if (!tmp[0])
        mr_free(tmp);
        tmp = call_program_and_get_last_line_of_output("cdrecord -scanbus 2> /dev/null | grep \") '\" | grep -n \"\" | grep -E '[D|C][V|D]' | cut -d':' -f1",TRUE);
    if (tmp[0]) {
        devno = atoi(tmp) - 1;
    }
    mr_free(tmp);

    if (devno >= 0) {
        mr_asprintf(output, "/dev/scd%d", devno);
        strcpy(g_dvd_drive_is_here, output);
        log_msg(2, "I think DVD is at %s", output);
    } else {
        log_msg(2, "I cannot find DVD");
    }

    return (output);
}





#include <sys/ioctl.h>

/**
 * Find the size of the specified @p drive, in megabytes. Uses @c ioctl calls
 * and @c dmesg.
 * @param drive The device to find the size of.
 * @return size in megabytes.
 */
long get_phys_size_of_drive(char *drive)
{
    int fd;
#if linux
    unsigned long long s = 0;
    int fileid, cylinders = 0, cylindersleft = 0;
    int cylindersize = 0;
    int gotgeo = 0;


    struct hd_geometry hdgeo;
#elif __FreeBSD__
    off_t s;
#endif

    long outvalA = -1;
    long outvalB = -1;
    long outvalC = -1;

    if ((fd = open(drive, O_RDONLY)) != -1) {
        if (ioctl(fd,
#if linux
#ifdef BLKGETSIZE64
                  BLKGETSIZE64,
#else
                  BLKGETSIZE,
#endif
#elif __FreeBSD__
                  DIOCGMEDIASIZE,
#endif
                  &s) != -1) {
            close(fd);
            // s>>11 works for older disks but not for newer ones
            outvalB =
#if linux
#ifdef BLKGETSIZE64
                s >> 20
#else
                s >> 11
#endif
#else
                s >> 20
#endif
                ;
        }
    }

    if (outvalB <= 0) {
        log_msg(1, "Error getting size of %s: %s", drive, strerror(errno));
#if linux
        fileid = open(drive, O_RDONLY);
        if (fileid != -1) {
            if (ioctl(fileid, HDIO_GETGEO, &hdgeo) != -1) {
                if (hdgeo.cylinders && hdgeo.heads && hdgeo.sectors) {
                    cylindersleft = cylinders = hdgeo.cylinders;
                    cylindersize = hdgeo.heads * hdgeo.sectors / 2;
                    outvalA = cylindersize * cylinders / 1024;
                    log_msg(2, "Got Harddisk geometry, C:%d, H:%d, S:%d",
                            hdgeo.cylinders, hdgeo.heads, hdgeo.sectors);
                    gotgeo = 1;
                } else {
                    log_msg(1, "Harddisk geometry wrong");
                }
            } else {
                log_msg(1,
                        "Error in ioctl() getting new hard disk geometry (%s), resizing in unsafe mode",
                        strerror(errno));
            }
            close(fileid);
        } else {
            log_msg(1, "Failed to open %s for reading: %s", drive,
                    strerror(errno));
        }
        if (!gotgeo) {
            log_msg(1, "Failed to get harddisk geometry, using old mode");
        }
#endif
    }
// OLDER DISKS will give ridiculously low value for outvalB (so outvalA is returned) :)
// NEWER DISKS will give sane value for outvalB (close to outvalA, in other words) :)

    outvalC = (outvalA > outvalB) ? outvalA : outvalB;

//  log_msg (5, "drive = %s, error = %s", drive, strerror (errno));
//  fatal_error ("GPSOD: Unable to get size of drive");
    log_msg(1, "%s --> %ld or %ld --> %ld", drive, outvalA, outvalB,
            outvalC);

    return (outvalC);
}

/**
 * Determine whether @p format is supported by the kernel. Uses /proc/filesystems
 * under Linux and @c lsvfs under FreeBSD.
 * @param format The format to test.
 * @return TRUE if the format is supported, FALSE if not.
 */
bool is_this_a_valid_disk_format(char *format)
{
    char *good_formats = NULL;
    char *command = NULL;
    char *format_sz = NULL;

    FILE *pin;
    int retval;

    assert_string_is_neither_NULL_nor_zerolength(format);

    mr_asprintf(format_sz, "%s ", format);

#ifdef __FreeBSD__
    mr_asprintf(command, "lsvfs | tr -s '\t' ' ' | grep -v Filesys | grep -v -- -- | cut -d' ' -f1 | tr -s '\n' ' '");
#else
    mr_asprintf(command, "grep -v nodev /proc/filesystems | tr -s '\t' ' ' | cut -d' ' -f2 | tr -s '\n' ' '");
#endif

    pin = popen(command, "r");
    mr_free(command);

    if (!pin) {
        log_OS_error("Unable to read good formats");
        retval = 0;
    } else {
        mr_getline(good_formats, pin);
        if (pclose(pin)) {
            log_OS_error("Cannot pclose good formats");
        }
        mr_strip_spaces(good_formats);
        mr_strcat(good_formats, " swap lvm raid ntfs-3g ntfs 7 ");  // " ntfs 7 " -- um, cheating much? :)
        if (strstr(good_formats, format_sz)) {
            retval = 1;
        } else {
            retval = 0;
        }
        mr_free(good_formats);
    }
    mr_free(format_sz);

    return (retval);
}


/** @def SWAPLIST_COMMAND The command to list the swap files/partitions in use. */

/**
 * Determine whether @p device_raw is currently mounted.
 * @param device_raw The device to check.
 * @return TRUE if it's mounted, FALSE if not.
 */
bool is_this_device_mounted(char *device_raw)
{

    /*@ pointers **************************************************** */
    FILE *fin;

    /*@ buffers ***************************************************** */
    char *incoming = NULL;
    char *device_with_tab = NULL;
    char *device_with_space = NULL;
    char *tmp = NULL;
    bool retval = FALSE;

#ifdef __FreeBSD__
#define SWAPLIST_COMMAND "swapinfo"
#else
#define SWAPLIST_COMMAND "cat /proc/swaps"
#endif

    /*@ end vars **************************************************** */

    if (device_raw == NULL) {
        return(FALSE);
    }

    if (device_raw[0] != '/' && !strstr(device_raw, ":/")) {
        log_msg(1, "%s needs to have a '/' prefixed - I'll do it",
                device_raw);
        mr_asprintf(tmp, "/%s", device_raw);
    } else {
        mr_asprintf(tmp, "%s", device_raw);
    }
    log_msg(1, "Is %s mounted?", tmp);
    if (!strcmp(tmp, "/proc") || !strcmp(tmp, "proc")) {
        log_msg(1,
                "I don't know how the heck /proc made it into the mountlist. I'll ignore it.");
        mr_free(tmp);
        return(FALSE);
    }
    mr_asprintf(device_with_tab, "%s\t", tmp);
    mr_asprintf(device_with_space, "%s ", tmp);
    mr_free(tmp);

    if (!(fin = popen("mount", "r"))) {
        log_OS_error("Cannot popen 'mount'");
        return(FALSE);
    }

    for (mr_getline(incoming, fin); !feof(fin); mr_getline(incoming, fin)) {
        if (strstr(incoming, device_with_space) || strstr(incoming, device_with_tab)) {
            paranoid_pclose(fin);
            mr_free(incoming);
            return(TRUE);
        }
        mr_free(incoming);
    }
    mr_free(incoming);
    mr_free(device_with_tab);
    paranoid_pclose(fin);
    mr_asprintf(tmp, "%s | grep -E \"^%s\" > /dev/null 2> /dev/null", SWAPLIST_COMMAND, device_with_space);
    mr_free(device_with_space);
    log_msg(4, "tmp (command) = '%s'", tmp);
    if (!system(tmp)) {
        retval = TRUE;
    }
    mr_free(tmp);
    return(retval);
}

#ifdef __FreeBSD__
//                       CODE IS FREEBSD-SPECIFIC
/**
 * Create a loopback device for specified @p fname.
 * @param fname The file to associate with a device.
 * @return /dev entry for the device, or NULL if it couldn't be allocated.
 */
char *make_vn(char *fname)
{
    char *device = (char *) malloc(MAX_STR_LEN);
    char *mddevice = (char *) malloc(32);
    char command[MAX_STR_LEN];
    char *tmp = NULL;
    int vndev = 2;
    int i = 2;

    tmp = call_program_and_get_last_line_of_output("/sbin/sysctl -n kern.osreldate",TRUE);
    i = atoi(tmp);
    mr_free(tmp);

    if (i < 500000) {
        do {
            sprintf(mddevice, "vn%ic", vndev++);
            sprintf(command, "vnconfig %s %s", mddevice, fname);
            if (vndev > 10) {
                return NULL;
            }
        }
        while (system(command));
    } else {
        sprintf(command, "mdconfig -a -t vnode -f %s", fname);
        mddevice = call_program_and_get_last_line_of_output(command,TRUE);
        if (!strstr(mddevice, "md")) {
            return NULL;
        }
    }
    sprintf(device, "/dev/%s", mddevice);
    return device;
}



//                       CODE IS FREEBSD-SPECIFIC
/**
 * Deallocate specified @p dname.
 * This should be called when you are done with the device created by make_vn(),
 * so the system does not run out of @c vn devices.
 * @param dname The device to deallocate.
 * @return 0 for success, nonzero for failure.
 */
int kick_vn(char *dname)
{
    char *command = NULL;
    char *tmp = NULL;
    int res = 0;
    int i = 0;

    if (strncmp(dname, "/dev/", 5) == 0) {
        dname += 5;
    }

    tmp = call_program_and_get_last_line_of_output("/sbin/sysctl -n kern.osreldate",TRUE);
    i = atoi(tmp);
    mr_free(tmp);

    if (i < 500000) {
        mr_asprintf(command, "vnconfig -d %s", dname);
    } else {
        mr_asprintf(command, "mdconfig -d -u %s", dname);
    }
    res = system(command);
    mr_free(command);
    return(res);
}
#endif


/**
 * Mount the CD-ROM at @p mountpoint.
 * @param device The device (or file if g_ISO_restore_mode) to mount.
 * @param mountpoint The place to mount it.
 * @return 0 for success, nonzero for failure.
 */
int mount_USB_here(char *device, char *mountpoint)
{
    /*@ buffer ****************************************************** */
    char *command = NULL;
    int retval;

    assert_string_is_neither_NULL_nor_zerolength(device);
    assert_string_is_neither_NULL_nor_zerolength(mountpoint);

    make_hole_for_dir(mountpoint);
    if (isdigit(device[0])) {
        return(1);
    }
    log_msg(4, "(mount_USB_here --- device=%s, mountpoint=%s", device, mountpoint);

#ifdef __FreeBSD__
    mr_asprintf(command, "mount_vfat %s %s 2>> %s", device, mountpoint, MONDO_LOGFILE);

#else
    mr_asprintf(command, "mount %s -t vfat %s 2>> %s", device, mountpoint, MONDO_LOGFILE);
#endif

    log_msg(4, command);
    retval = system(command);
    log_msg(1, "system(%s) returned %d", command, retval);
    mr_free(command);

    return (retval);
}

/**
 * Mount the CD-ROM at @p mountpoint.
 * @param device The device (or file if g_ISO_restore_mode) to mount.
 * @param mountpoint The place to mount it.
 * @return 0 for success, nonzero for failure.
 */
int mount_CDROM_here(char *device, const char *mountpoint)
{
    /*@ buffer ****************************************************** */
    char *command = NULL;
    int retval;
#ifdef __FreeBSD__
    char *dev = NULL;
#else
    char *options = NULL;
#endif

    assert_string_is_neither_NULL_nor_zerolength(mountpoint);

    make_hole_for_dir(mountpoint);

    if ((device == NULL) || (isdigit(device[0]))) {
        mr_free(device);
        device = find_cdrom_device(FALSE);
    }
#ifndef __FreeBSD__
    mr_asprintf(options, "ro");
#endif

    if (g_ISO_restore_mode) {

#ifdef __FreeBSD__
        mr_asprintf(dev, "%s", make_vn(device));
        if (!dev) {
            mr_asprintf(command, "Unable to mount ISO (make_vn(%s) failed)", device);
            fatal_error(command);
        }
        mr_free(device);
        device = dev;
#else
        mr_strcat(options, ",loop");
#endif

    }
    log_msg(4, "(mount_CDROM_here --- device=%s, mountpoint=%s", device, mountpoint);
    /*@ end vars *************************************************** */

#ifdef __FreeBSD__
    mr_asprintf(command, "mount_cd9660 -r %s %s 2>> %s", device, mountpoint, MONDO_LOGFILE);

#else
    mr_asprintf(command, "mount %s -o %s -t iso9660 %s 2>> %s", device, options, mountpoint, MONDO_LOGFILE);
    paranoid_free(options);
#endif

    log_msg(4, command);
    if (strncmp(device, "/dev/", 5) == 0) {
        retract_CD_tray_and_defeat_autorun();
    }
    retval = system(command);
    log_msg(1, "system(%s) returned %d", command, retval);
    mr_free(command);

    return (retval);
}


/**
* Mount the CD-ROM or USB device at /mnt/cdrom.
* @param bkpinfo The backup information structure. Fields used: 
* - @c bkpinfo->backup_media_type
* - @c bkpinfo->disaster_recovery
* - @c bkpinfo->isodir
* - @c bkpinfo->media_device
* @return 0 for success, nonzero for failure.
*/
int mount_media()
{
char *mount_cmd = NULL;
char *mountdir = NULL;
int i, res;
#ifdef __FreeBSD__
    char mdd[32];
    char *mddev = mdd;
#endif

    if (bkpinfo->backup_media_type == tape || bkpinfo->backup_media_type == udev) {
        log_msg(8, "Tape/udev. Therefore, no need to mount a media.");
        return 0;
    }

    if (!run_program_and_log_output("mount | grep -F " MNT_CDROM, FALSE)) {
        log_msg(2, "mount_media() - media already mounted. Fair enough.");
        return (0);
    }

    if (bkpinfo->media_device == NULL) {
        fatal_error("No media device at that point");
    }

    if (bkpinfo->backup_media_type == netfs) {
        log_msg(2, "Mounting for Network thingy");
        log_msg(2, "isodir = %s", bkpinfo->isodir);
        if (!strcmp(bkpinfo->isodir, "/") && am_I_in_disaster_recovery_mode()) {
            mr_free(bkpinfo->isodir);
            mr_asprintf(bkpinfo->isodir, "/tmp/isodir");
            log_msg(1, "isodir is being set to %s", bkpinfo->isodir);
        }
        if ((bkpinfo->isodir == NULL) || (bkpinfo->netfs_remote_dir == NULL) || (bkpinfo->prefix == NULL)) {
            fatal_error("Unable to prepare the iso filename");
        }
#ifdef __FreeBSD__
        mr_asprintf(mount_cmd, "/mnt/isodir/%s/%s/%s-%d.iso", bkpinfo->isodir,
            bkpinfo->netfs_remote_dir, bkpinfo->prefix, g_current_media_number);
        mddev = make_vn(mount_cmd);
        mr_free(mount_cmd);

        mr_asprintf(mount_cmd, "mount_cd9660 -r %s " MNT_CDROM, mddev);
#else
        mr_asprintf(mount_cmd, "mount %s/%s/%s-%d.iso -t iso9660 -o loop,ro %s", bkpinfo->isodir, bkpinfo->netfs_remote_dir, bkpinfo->prefix, g_current_media_number, MNT_CDROM);
#endif

    } else if (bkpinfo->backup_media_type == iso) {
        if (bkpinfo->subdir) {
            mr_asprintf(mountdir, "%s/%s", bkpinfo->isodir, bkpinfo->subdir);
        } else {
            mr_asprintf(mountdir, "%s", bkpinfo->isodir);
        }
#ifdef __FreeBSD__
        mr_asprintf(mount_cmd, "%s/%s-%d.iso", mountdir, bkpinfo->prefix, g_current_media_number);
        mddev = make_vn(mount_cmd);
        mr_free(mount_cmd);

        mr_asprintf(mount_cmd, "mount_cd9660 -r %s %s", mddev, MNT_CDROM);
#else
        mr_asprintf(mount_cmd, "mount %s/%s-%d.iso -t iso9660 -o loop,ro %s", mountdir, bkpinfo->prefix, g_current_media_number, MNT_CDROM);
#endif
        mr_free(mountdir);
    } else if (bkpinfo->backup_media_type == usb) {
        mr_asprintf(mount_cmd, "mount -t vfat %s %s", bkpinfo->media_device, MNT_CDROM);
    } else if (strstr(bkpinfo->media_device, "/dev/")) {
#ifdef __FreeBSD__
        mr_asprintf(mount_cmd, "mount_cd9660 -r %s %s", bkpinfo->media_device, MNT_CDROM);
#else
        mr_asprintf(mount_cmd, "mount %s -t iso9660 -o ro %s", bkpinfo->media_device, MNT_CDROM);
#endif
    } else {
        mr_free(bkpinfo->media_device);
        if (bkpinfo->disaster_recovery && does_file_exist("/tmp/CDROM-LIVES-HERE")) {
            bkpinfo->media_device = last_line_of_file(MINDI_CACHE"/CDROM-LIVES-HERE");
        } else {
            bkpinfo->media_device = find_cdrom_device(TRUE);
        }

#ifdef __FreeBSD__
        mr_asprintf(mount_cmd, "mount_cd9660 -r %s %s", bkpinfo->media_device, MNT_CDROM);
#else
        mr_asprintf(mount_cmd, "mount %s -t iso9660 -o ro %s", bkpinfo->media_device, MNT_CDROM);
#endif
    }

    log_msg(2, "(mount_media) --- command = %s", mount_cmd);
    for (i = 0; i < 2; i++) {
        res = run_program_and_log_output(mount_cmd, FALSE);
        if (!res) {
            break;
        } else {
            log_msg(2, "Failed to mount device.");
            sleep(5);
            sync();
        }
    }
    mr_free(mount_cmd);

    if (res) {
        log_msg(2, "Failed, despite %d attempts", i);
    } else {
        log_msg(2, "Mounted media drive OK");
    }
    return (res);
}
/**************************************************************************
*END_MOUNT_CDROM                                                         *
**************************************************************************/




/**
 * Ask the user for CD number @p cd_number_i_want.
 * Sets g_current_media_number once the correct CD is inserted.
 * @param bkpinfo The backup information structure. Fields used:
 * - @c bkpinfo->backup_media_type
 * - @c bkpinfo->prefix
 * - @c bkpinfo->isodir
 * - @c bkpinfo->media_device
 * - @c bkpinfo->please_dont_eject_when_restoring
 * @param cd_number_i_want The CD number to ask for.
 */
void
insist_on_this_cd_number(int cd_number_i_want)
{

    /*@ int ************************************************************* */
    int res = 0;


    /*@ buffers ********************************************************* */
    char *tmp = NULL;
    char *mds = NULL;
    char *request = NULL;

    assert(bkpinfo != NULL);
    assert(cd_number_i_want > 0);

//  log_msg(3, "Insisting on CD number %d", cd_number_i_want);

    if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
        log_msg(3,
                "No need to insist_on_this_cd_number when the backup type isn't CD-R(W) or NFS or ISO");
        return;
    }
    mr_asprintf(tmp, "mkdir -p " MNT_CDROM);
    run_program_and_log_output(tmp, 5);
    mr_free(tmp);

    if (g_ISO_restore_mode || bkpinfo->backup_media_type == iso || bkpinfo->backup_media_type == netfs) {
        // BERLIOS --- I'm tempted to do something about this...
        // Why unmount and remount again and again?
        g_ISO_restore_mode = TRUE;
        if (!is_this_device_mounted(MNT_CDROM)) {
            log_msg(3, "Mounting media");
            g_current_media_number = cd_number_i_want;
            mount_media();
        }
    }
    if ((res = what_number_cd_is_this()) != cd_number_i_want) {
        log_msg(3, "Currently, we hold %d but we want %d", res, cd_number_i_want);

        /* Now we need to umount the current media to have the next mounted after */
        run_program_and_log_output("umount -d " MNT_CDROM, FALSE);
        log_msg(3, "Mounting next media %d",cd_number_i_want);
        g_current_media_number = cd_number_i_want;
        mount_media();

        mds = media_descriptor_string(bkpinfo->backup_media_type);
        log_msg(3, "Insisting on %s #%d", mds, cd_number_i_want);
        mr_asprintf(request, "Please insert %s #%d and press Enter.", mds, cd_number_i_want);
        mr_free(mds);

        while (what_number_cd_is_this() != cd_number_i_want) {
            sync();
            if (is_this_device_mounted(MNT_CDROM)) {
                res =
                    run_program_and_log_output("umount -d " MNT_CDROM, FALSE);
            } else {
                res = 0;
            }
            if (res) {
                log_to_screen("WARNING - failed to unmount CD-ROM drive");
            }
            if (!bkpinfo->please_dont_eject) {
                res = eject_device(bkpinfo->media_device);
            } else {
                res = 0;
            }
            if (res) {
                log_to_screen("WARNING - failed to eject CD-ROM disk");
            }
            popup_and_OK(request);
            if (!bkpinfo->please_dont_eject) {
                inject_device(bkpinfo->media_device);
            }
            sync();
        }
        mr_free(request);

        log_msg(1, "Thankyou. Proceeding...");
        g_current_media_number = cd_number_i_want;
    }
}

/* @} - end of deviceGroup */



/**
 * Creates a singly linked list of all of the non-NETFS mounted file systems.
 * @param DSFptr A pointer  to the structure MOUNTED_FS_STRUCT used to hold 
 * the list of mounted file systems. 
 * @return None. 
 */
static void add_mounted_fs_struct (MOUNTED_FS_STRUCT *DSFptr)
{
    assert (DSFptr);
    if (DSF_Head == NULL) {
        DSF_Head = DSFptr;
    } else {
        DSF_Tail->next = DSFptr;
    }
    DSFptr->next = NULL;
    DSF_Tail = DSFptr;
}

/**
 * Find the structure, in the singly linked list of all of the non-NETFS 
 * mounted file systems, that contains the specified device.
 * @param device The device to find 
 * @return NULL if it didn't find the device, a pointer to the
 * structure if it did. 
 */
static MOUNTED_FS_STRUCT *find_device_in_list (char *device)
{
    MOUNTED_FS_STRUCT *DSFptr = NULL;

    DSFptr = DSF_Head;
    while (DSFptr != NULL) {
        if (!strcmp(DSFptr->device, device)) {
            break;
        }
        DSFptr = DSFptr->next;
    }
    return (DSFptr);
}

/**
 * Find the structure, in the singly linked list of all of the non-NETFS 
 * mounted file systems, that contains the specified mount point.
 * @param mount_point The mount point to find 
 * @return NULL is it didn't find the mount point, a pointer to the
 * structure if it did. 
 */
static MOUNTED_FS_STRUCT *find_mount_point_in_list (char *mount_point)
{
    MOUNTED_FS_STRUCT *DSFptr = NULL;

    DSFptr = DSF_Head;
    while (DSFptr != NULL) {
        if (!strcmp(DSFptr->mount_point, mount_point)) {
            break;
        }
        DSFptr = DSFptr->next;
    }
    return (DSFptr);
}

/**
 * Frees the memory for all of the structures on the linked list of 
 * all of the non-NETFS mounted file systems.
 */
static void free_mounted_fs_list (void) {
    MOUNTED_FS_STRUCT *DSFptr = NULL;
    MOUNTED_FS_STRUCT *DSFnext = NULL;
 
    DSFptr = DSF_Head;
    while (DSFptr != NULL) {
        DSFnext = DSFptr->next;
        paranoid_free(DSFptr);
        DSFptr = DSFnext;
    }
    DSF_Head = NULL;
    DSF_Tail = NULL;
}


/**
 * Creates a linked list of all of the non-NETFS mounted file systems.
 * We use a linked list because we don't know how many  mounted file
 * there are (and there can be a lot).
 * @return 0 on success and greated than 0 on failure. 
 */
static int create_list_of_non_NETFS_mounted_file_systems (void)
{
    int i = 0;
    int mount_cnt = 0;
    int lastpos = 0;
    char *mounted_file_system = NULL;
    char *command = NULL;
    char *token = NULL;
    char token_chars[] =" :\t\r\f\a\0";
    MOUNTED_FS_STRUCT *DSFptr = NULL;

    free_mounted_fs_list();
    /********
    * Find the number of mounted file system entries and their respective mount points. 
    * I can't return all of the entries as one string because it's length can be longer
    * than MAX_STR_LEN which is used in call_program_and_get_last_line_of_output(). 
    * So start looping and get the number of  mounted file systems and query them one by one.
    ********/
    /* Get the number of mounted file systems ((those that start with "/dev/" */
    mr_asprintf(command, "mount 2>/dev/null | awk '{if($1 ~ \"^/dev/\"){print $0}}'|wc -l");
    log_msg(5, "Running: %s", command);
    mounted_file_system = call_program_and_get_last_line_of_output(command,TRUE);
    mr_free(command);

    mount_cnt = atoi(mounted_file_system);
    log_msg (5, "mount_cnt: %d", mount_cnt);
    mr_free(mounted_file_system);

    for (i=mount_cnt; i > 0; i--) {
        mr_asprintf(command, "mount 2>/dev/null | awk '{if($1 ~ \"^/dev/\"){print $1,$3}}'|head -n %d", i);
        log_msg(5, "Running: %s", command);
        mounted_file_system = call_program_and_get_last_line_of_output(command,TRUE);
        mr_free(command);

        log_msg (5, "mounted_file_system: %s", mounted_file_system);
        if ((token = mr_strtok(mounted_file_system, token_chars, &lastpos)) == NULL) {
            log_msg (4, "Could not get the list of mounted file systems");
            mr_free(mounted_file_system);
            mr_free(token);
            return (1);
        }
        if (token) {
            log_msg (5, "token: %s", token);
        }
        while (token != NULL) {
            log_msg (5, "token: %s", token);
            if ((DSFptr = (MOUNTED_FS_STRUCT *) calloc(1, sizeof(MOUNTED_FS_STRUCT))) == NULL) {
                fatal_error ("Cannot allocate memory");
            }
            add_mounted_fs_struct(DSFptr);
            strcpy(DSFptr->device, token);
            mr_free(token);
            if ((token = mr_strtok(mounted_file_system, token_chars, &lastpos)) == NULL) {
                log_msg (5, "Ran out of entries on the mounted file systems list");
                mr_free(mounted_file_system);
                mr_free(token);
                return (1);
            }
            log_msg (5, "token: %s", token);
            strcpy(DSFptr->mount_point, token);
            mr_free(token);
            token = mr_strtok(mounted_file_system, token_chars, &lastpos); 
        }
        mr_free(mounted_file_system);
    }
    return (0);
}



/**
 * Given a whole disk device special file, determine which mounted file systems
 * are on the dsf's partitions and which mounted file systems are not.
 * @param dsf The whole disk device special file.
 * @param included_dsf_list A char pointer used to hold the list of mount points
 * that are on the dsf. Memory for the array will be allocated within the function.
 * @param excluded_dsf_list A char pointer used to hold the list of mount points
 * that are not on the dsf. Memory for the array will be allocated within the function.
 * @return 0 on success, -1 if no device special file was passed in, -2 if a device
 * special file was passed in but it has no partitions on it, or 1 on failure 
 */
static int get_dsf_mount_list (const char *dsf, char **included_dsf_list, char **excluded_dsf_list) {
    int i = 0;
    int c = 0;
    int lastpos = 0;
    char *VG = NULL;
    char *tmp = NULL;
    char *command = NULL;
    char *partition_list = NULL;
    char *partitions[64];
    char *mount_list = NULL;
    char *token = NULL;
    char *ndsf = NULL;
    char token_chars[] =" \t\r\f\a\0";
    MOUNTED_FS_STRUCT *DSFptr = NULL;

    memset((char *)partitions, 0, sizeof(partitions));

    log_msg(5, "dsf: %s", dsf);

    /********
    * See if a device special file was passed in (i.e. it must start with /dev/
    ********/
    if (strncmp(dsf, "/dev/", 5)) {
        log_msg (4, "%s does not start with /dev/ and (probably) is not a  device special file", dsf);
        return (-1);
    }
    log_msg(4, "  %s looks like a device special file", dsf);
    /* Verify that the dsf exists */ 
    mr_asprintf(command, "ls -al %s 2>/dev/null | wc -l", dsf);
    log_msg(5, "  Executing: %s", command);
    tmp = call_program_and_get_last_line_of_output(command,TRUE);
    mr_free(command);

    log_msg(5, "  Return value: %s", tmp);
    c = atoi(tmp);
    mr_free(tmp);

    if (!c) {
        log_to_screen("Cannot find device special file %s", dsf);
        return (1);
    }
    log_msg(4, "  %s device special file exists", dsf);

    /* Get a list of the mounted file systems */
    if (create_list_of_non_NETFS_mounted_file_systems()) {
        log_to_screen ("Could not get the list of mounted file systems");
        return (1);
    }
    log_msg (5, "Processing dsf: %s", dsf);
    /********
    * Get a list of the dsf's partitions. There could be no partitions on the disk
    * or a dsf of a partition was passed in (e.g. /dev/sda1 instead of /dev/sda).
    * Either way, it's an error.
    ********/
    mr_asprintf(command, "parted2fdisk -l %s 2>/dev/null|grep -E \"^/dev/\"|awk '{printf(\"%%s \", $1)}END{print \"\"}'", dsf);
    log_msg(5, "Executing: %s", command);
    partition_list = call_program_and_get_last_line_of_output(command,TRUE);
    mr_free(command);

    log_msg(4, "Partition list for %s: %s", dsf, partition_list);
    if (!strlen(partition_list)) {
        /* There were no partitions on the disk */
        log_msg(4, "No partitions on device special file %s", dsf);
        log_msg(4, "I guess it's a partition itself");
        mr_asprintf(partitions[0], "%s", dsf);
        mr_asprintf(tmp, "%s", dsf);
        ndsf = truncate_to_drive_name(tmp);
        mr_free(tmp);
    } else {
        /* Fill the partition list */
        i = 0;
        lastpos = 0;
        while ((token = mr_strtok(partition_list, token_chars, &lastpos)) != NULL) {
            log_msg (4, "Found partition: %s", token);
            partitions[i++] = token;
        }
        mr_asprintf(ndsf, "%s", dsf);
    }
    mr_free(partition_list);

    /* In any case we want to exclude the dsf itself from all MondRescue activities
     * at restore time (LVM, fdisk, ...) so we want it in our exclude_dev list */
    if ((DSFptr = (MOUNTED_FS_STRUCT *) calloc(1, sizeof(MOUNTED_FS_STRUCT))) == NULL) {
        fatal_error ("Cannot allocate memory");
    }
    add_mounted_fs_struct(DSFptr);
    strcpy(DSFptr->device, dsf);
    DSFptr->check = 1;

    /*  For the rest ndsf is the new dsf to deal with */
    /********
     * At this point, we have a list of all of the partitions on the dsf. Now try to
     * see which partitions have a file system on them. 
     *
     * Loop through each partition on the disk and:
     *
     * - If the partition is swap, it ignores it.
     *
     * - If the partition is mounted (e.g. /dev/sda1 is mounted on /boot), it adds an entry 
     *  to the linked list, copies to it the device name and mount point, and sets check == 1.
     *
     * - If the partition is part of a Volume Group that has Logical Volumes mounted, it adds 
     *  an entry to the linked list for each mounted Logical Volume in that Volume Group, copying 
     *  to it the device name and mount point, and sets check == 1. Note that if the Volume Group 
     *  contains more than one disk, it will still add the entry even if the Logical Volume's 
     *  extents are not on the dsf that was passed in to the function. For example, Volume Group 
     *  VolGroup00 contains the disks /dev/sda1 and /dev/sdb1, and the Logical Volumes LogVol01, 
     *  which is mounted on /var and has all of its extents on /dev/sda1, and LogVol02, which is 
     *  mounted as /usr and has all of its extents on /dev/sdb1. If you pass /dev/sda into the 
     *  function, both /var and /usr will be archived even though /usr is actually on/dev/sdb.
     *
     * - If the partition is part of a Volume Group that has Logical Volumes used in a mounted 
     *  software raid device, it adds an entry to the linked list, copies to it the software raid 
     *  device name and mount point, and sets check == 1.
     *
     * - If the partition is part of a mounted software raid device, it adds an entry to the linked 
     *  list, copies to it the software raid device name and mount point, and sets check == 1.
     *
     ********/
    for (i=0; strlen(partitions[i]); i++) {
        log_msg(4, "Processing partition: %s", partitions[i]);
        /* See if it's swap. If it is, ignore it. */
        mr_asprintf(command, "parted2fdisk -l %s 2>/dev/null | awk '{if(($1==\"%s\")&&(toupper($0) ~ \"SWAP\")){print $1;exit}}'", ndsf, partitions[i]);
        log_msg(5, "  Running: %s", command);
        tmp = call_program_and_get_last_line_of_output(command,TRUE);
        mr_free(command);

        log_msg(5, "  Return value: %s", tmp);
        c = strlen(tmp);
        mr_free(tmp);

        if (c) {
            log_msg(4, "It's swap. Ignoring partition %s", partitions[i]); 
            continue;
        } 

        /* It's not swap. See if we can find the mount point from the mount command. */
        mr_asprintf(command, "mount 2>/dev/null | awk '{if((NF>0)&&($1==\"%s\")){print $3}}'", partitions[i]);
        tmp = call_program_and_get_last_line_of_output(command,TRUE);
        mr_free(command);

        if (strlen(tmp)) {
            log_msg(4, "  %s is mounted: %s", partitions[i], tmp);
            if ((DSFptr = find_mount_point_in_list(tmp)) == NULL) {
                log_msg (4, "Can't find mount point %s in mounted file systems list", tmp);
                mr_free(tmp);
                return (1);
            }
            DSFptr->check = 1;
            mr_free(tmp);
            continue;
        }
        mr_free(tmp);

        /* It's not swap and it's not mounted. See if it's LVM */
        log_msg(4, "  It's not mounted. Checking to see if it's LVM...");

        /* Check for LVM */
        mr_asprintf(command, "pvdisplay -c %s | grep '%s:' 2> /dev/null", partitions[i], partitions[i]);
        log_msg(5, "  Running: %s", command);
        tmp = call_program_and_get_last_line_of_output(command,TRUE);
        mr_free(command);

        if (strlen(tmp)) {
            log_msg(4, "Found an LVM partition at %s. Find the VG it's in...", partitions[i]);
            /* It's LVM: Find the VG it's in */
            mr_asprintf(command, "pvdisplay -v %s 2>/dev/null|grep \"VG Name\"|awk '{print $NF}'", partitions[i]);
            log_msg(5, "  Running: %s", command);
            strcpy(VG, call_program_and_get_last_line_of_output(command,TRUE));
            mr_free(command);

            log_msg(4, "  Volume Group: %s", VG);
            if (strlen(VG)) {
                /* Found the Volume Group. Now find all of the VG's mount points */
                log_msg(4, "  Found the Volume Group. Now find all of the VG's mount points");
                mr_asprintf(command, "mount 2>/dev/null|grep -E \"/dev/mapper/%s-|/dev/%s/\"|awk '{printf(\"%%s \",$3)}END{print \"\"}'", VG, VG);
                log_msg(5, "  Running: %s", command);
                mr_asprintf(mount_list, "%s", call_program_and_get_last_line_of_output(command,TRUE));
                mr_free(command);

                log_msg(4, "  VG %s mount_list: %s", VG, mount_list);
                lastpos = 0;
                while ((token = mr_strtok(mount_list, token_chars, &lastpos)) != NULL) {
                    log_msg (5, "mount point token: %s", token);
                    if ((DSFptr = find_mount_point_in_list(token)) == NULL) {
                        log_msg (4, "Can't find mount point %s in mounted file systems list", token);
                        mr_free(tmp);
                        mr_free(token);
                        return (1);
                    }
                    DSFptr->check = 1;
                    mr_free(token);
                }
                /********
                 * Now we want to see if there are any software raid devices using
                 * any of the Logical Volumes on the Volume Group.
                 *******/
                mr_free(mount_list);

                mr_asprintf(command, "%s", "cat /proc/mdstat|grep -iv Personal|awk '{if($0~\"^.*[ ]+:\"){printf(\"/dev/%s \", $1)}}END{print \"\"}'");
                log_msg (5, "Running: %s", command);
                mr_asprintf(mount_list, "%s", call_program_and_get_last_line_of_output(command,TRUE));
                mr_free(command);

                log_msg(4, "  Software raid device list: %s", mount_list);
                lastpos = 0;
                while ((token = mr_strtok(mount_list, token_chars, &lastpos)) != NULL) {
                    mr_asprintf(command, "mdadm --detail %s 2>/dev/null | grep -c %s", token, VG);
                    log_msg (5, "Running: %s", command);
                    mr_free(tmp);
                    mr_asprintf(tmp, "%s", call_program_and_get_last_line_of_output(command,TRUE));
                    mr_free(command);

                    log_msg(4, "Number of Software raid device: %s", tmp);
                    if (atoi(tmp)) {
                        /* This device is on our disk */
                        if ((DSFptr = find_device_in_list(token)) == NULL) {
                            log_msg (4, "Can't find device %s in mounted file systems list", token);
                            mr_free(tmp);
                            mr_free(VG);
                            mr_free(token);
                            return (1);
                        }
                        DSFptr->check = 1;
                    }
                }
                mr_free(token);
                paranoid_free(mount_list);
            } else {
                log_msg (4, "Error finding Volume Group for partition %s", partitions[i]);
                mr_free(tmp);
                return (1);
            }
            mr_free(tmp);
            continue;
        } else {
            log_msg (4, "Error finding partition type for the partition %s", partitions[i]);
        }
        mr_free(tmp);

        /********
         * It's not swap, mounted, or LVM. See if it's used in a software raid device.
         ********/
        log_msg (5, "It's not swap, mounted, or LVM. See if it's used in a software raid device.");
        mr_asprintf(command, "mdadm --examine %s 2>/dev/null | awk '{if($1 == \"UUID\"){print $3}}'", partitions[i]);
        log_msg(4, "  Running: %s", command);
        tmp = call_program_and_get_last_line_of_output(command,TRUE);
        mr_free(command);

        if (!strlen(tmp)) {
            log_msg(4, "  Partition %s is not used in a non-LVM software raid device", partitions[i]);
            mr_free(tmp);
            continue;
        }
        log_msg (5, "  UUID: %s", tmp);

        /* Get the Software raid device list */
        mr_asprintf(command, "%s", "cat /proc/mdstat|grep -iv Personal|awk '{if($0~\"^.*[ ]+:\"){printf(\"/dev/%s \", $1)}}END{print \"\"}'");
        log_msg (5, "  Running: %s", command);
        mount_list = call_program_and_get_last_line_of_output(command,TRUE);
        mr_free(command);

        log_msg(4, "  Software raid device list: %s", mount_list);
        /* Loop through the software raid device list to see if we can find the partition */
        lastpos = 0;
        while ((token = mr_strtok(mount_list, token_chars, &lastpos)) != NULL) {
            mr_asprintf(command, "mdadm --detail %s 2>/dev/null | grep -c %s", token, tmp);
            log_msg(4, "  Running: %s", command);
            mr_free(tmp);

            tmp = call_program_and_get_last_line_of_output(command,TRUE);
            mr_free(command);

            c = atoi(tmp);
            mr_free(tmp);

            if (!c) {
                log_msg (4,"  Didn't find partition %s in software raid device %s", partitions[i], token);
            } else {
                if ((DSFptr = find_device_in_list(token)) == NULL) {
                    log_msg (4, "Can't find device %s in mounted file systems list", token);
                    mr_free(token);
                    return (1);
                }
                DSFptr->check = 1;
                break;
            }
            mr_free(token);
        }
        mr_free(tmp);
        mr_free(mount_list);
        mr_free(partitions[i]);
    }

    /* Determine how much memory to allocate for included_dsf_list and excluded_dsf_list */
    i = 0;
    DSFptr= DSF_Head;
    while (DSFptr != NULL) {
        i += strlen(DSFptr->mount_point) + 1;
        DSFptr = DSFptr->next;
    }
    log_msg (5, "i: %d", i);
    if ((*included_dsf_list = (char *) calloc(i+100, sizeof(char))) == NULL) {
        fatal_error ("Cannot allocate memory");
    }
    if ((*excluded_dsf_list = (char *) calloc(i+100, sizeof(char))) == NULL) {
        fatal_error ("Cannot allocate memory");
    }
    DSFptr= DSF_Head;
    while (DSFptr != NULL) {
        if (DSFptr->check) {
            log_msg (4, "%s is mounted on %s and is on disk %s", DSFptr->device, DSFptr->mount_point, ndsf);
            strcat(*included_dsf_list, DSFptr->mount_point);
            strcat(*included_dsf_list, "|");
        } else {
            log_msg (4, "%s is mounted on %s and is NOT on disk %s", DSFptr->device, DSFptr->mount_point, ndsf);
            strcat(*excluded_dsf_list, DSFptr->mount_point);
            strcat(*excluded_dsf_list, "|");
        }
        DSFptr = DSFptr->next;
    }
    mr_free(ndsf);

    log_msg (5, "included_dsf_list: %s", *included_dsf_list);
    log_msg (5, "excluded_dsf_list: %s", *excluded_dsf_list);
    return (0);
}


/* Update the bkpinfo structure for exclude & include paths 
 * in order to handle correctly paths corresponding to devices */
void mr_make_devlist_from_pathlist(char *pathlist, char mode) {

char *token = NULL;
int lastpos = 0;
char *mounted_on_dsf = NULL;
char *not_mounted_on_dsf = NULL;
char token_chars[] ="|\t\r\f\a\0\n";
char *tmp = NULL;
char *tmp1 = NULL;
char *tmp2 = NULL;

if (pathlist == NULL) {
    return;
}
while ((token = mr_strtok(pathlist, token_chars, &lastpos)) != NULL) {
    switch (get_dsf_mount_list(token, &mounted_on_dsf, &not_mounted_on_dsf)) {
    case 1: 
        if (mode == 'E') {
            log_msg(1, "WARNING ! %s doesn't exist in -E option", token);
        } else {
            log_msg(1, "ERROR ! %s doesn't exist in -I option", token);
            fatal_error("Error processing -I option");
        }
        break;
    /* Everything is OK; proceed to archive data */
    case 0:
        if (mode == 'E') {
            if (strlen(mounted_on_dsf)) {
                log_to_screen("Excluding the following file systems on %s:", token);
                log_to_screen("==> %s", mounted_on_dsf);
                log_msg (5, "Adding to bkpinfo->exclude_paths due to -E option: %s", mounted_on_dsf);
                if (bkpinfo->exclude_paths) {
                    mr_strcat(bkpinfo->exclude_paths,"|%s",mounted_on_dsf);
                } else {
                    mr_asprintf(&(bkpinfo->exclude_paths),"%s",mounted_on_dsf);
                }
                if (bkpinfo->exclude_devs) {
                    mr_strcat(bkpinfo->exclude_devs,"|%s",token);
                } else {
                    mr_asprintf(&(bkpinfo->exclude_devs),"%s",token);
                }
            }
        } else {
            log_to_screen("Archiving only the following file systems on %s:", token);
            log_to_screen("==> %s", mounted_on_dsf);
            mr_free(bkpinfo->include_paths);
            mr_asprintf(bkpinfo->include_paths, "%s", "/");
            if (strlen(not_mounted_on_dsf)) {
                log_msg (5, "Adding to bkpinfo->exclude_paths due to -I option: %s", not_mounted_on_dsf);
                log_to_screen("Not archiving the following file systems:");
                log_to_screen("==> %s", not_mounted_on_dsf);
                if (bkpinfo->exclude_paths) {
                    mr_strcat(bkpinfo->exclude_paths, "|%s",not_mounted_on_dsf);
                } else {
                    mr_asprintf(&(bkpinfo->exclude_paths),"%s",not_mounted_on_dsf);
                }
            }
        }
        break;
    /* It's a dsf but not a whole disk dsf */
    case -2:
        log_to_screen("Could %s be a partition instead of a whole disk device special file?\nIgnored.", token);
        break;
    /* A device special file was not passed in. Process it as a path. */
    case -1:
        /*  Adds a | to ensure correct detection even at both ends */
        mr_asprintf(tmp1,"|%s",token);
        mr_asprintf(&tmp2,"|%s|",token);
        if (mode == 'E') {
            /*  Add the token if not already in the list */
            mr_asprintf(tmp,"|%s|",bkpinfo->exclude_paths);
            if (strstr(tmp,tmp2) == NULL) {
                if (bkpinfo->exclude_paths) {
                    mr_strcat(bkpinfo->exclude_paths,tmp1);
                    mr_free(tmp1);
                } else {
                    bkpinfo->exclude_paths = tmp1;
                }
            }
        } else {
            /*  Add the token if not already in the list */
            mr_asprintf(tmp,"|%s|",bkpinfo->include_paths);
            if (strstr(tmp,tmp2) == NULL) {
                mr_strcat(bkpinfo->include_paths, "%s", tmp1);
            }
            mr_free(tmp1);
        }
        mr_free(tmp);
        mr_free(tmp2);
        break;
    }
    mr_free(token);

    if (bkpinfo->include_paths != NULL) {
        log_msg(1, "include_paths is now '%s'", bkpinfo->include_paths);
    }
    if (bkpinfo->exclude_paths != NULL) {
        log_msg(1, "exclude_paths is now '%s'", bkpinfo->exclude_paths);
    }
    if (bkpinfo->exclude_devs != NULL) {
        log_msg(1, "exclude_devs is now '%s'", bkpinfo->exclude_devs);
    }
}
}


/**
 * Get a |-separated list of NETFS mounts.
 * @return The list created.
 * @note The return value points to allocated string that needs to be freed
 * @bug Even though we only want the mounts, the devices are still checked.
 */
char *list_of_NETFS_mounts_only(void)
{
    char *exclude_these_directories = NULL;

    exclude_these_directories = call_program_and_get_last_line_of_output("mount -t coda,ncpfs,fuse.sshfs,nfs,nfs4,smbfs,cifs,afs,gfs,ocfs,ocfs2,mvfs,nsspool,nssvol | tr -s '\t' ' ' | cut -d' ' -f3 | tr -s '\n' '|' | awk '{print $0;}'",TRUE);
    log_msg(9,"list_of_NETFS_mounts_only returns %s\n",exclude_these_directories);
    return(exclude_these_directories);
}

/* @} - end of utilityGroup */





/**
 * Create a randomly-named FIFO. The format is @p stub "." [random] [random] where
 * [random] is a random number between 1 and 32767.
 * @param store_name_here Where to store the new filename.
 * @param stub A random number will be appended to this to make the FIFO's name.
 * @ingroup deviceGroup
 */
void make_fifo(char *store_name_here, char *stub)
{
    char *tmp = NULL;

    assert_string_is_neither_NULL_nor_zerolength(stub);

    sprintf(store_name_here, "%s%d%d", stub, (int) (random() % 32768),
            (int) (random() % 32768));
    make_hole_for_file(store_name_here);
    mkfifo(store_name_here, S_IRWXU | S_IRWXG);
    mr_asprintf(tmp, "chmod 770 %s", store_name_here);
    paranoid_system(tmp);
    mr_free(tmp);
}






/**
 * Set the tmpdir and scratchdir to reside on the partition with the most free space.
 * Automatically excludes DOS, NTFS, SMB, and NFS filesystems.
 * @param bkpinfo The backup information structure. @c bkpinfo->tmpdir and @c bkpinfo->scratchdir will be set.
 * @ingroup utilityGroup
 */
void sensibly_set_scratchdir()
{
    char *tmp = NULL; 
    char *command = NULL;
    char *sz = NULL;

#ifdef __FreeBSD__
    tmp = call_program_and_get_last_line_of_output("LANGUAGE=C df -m -P -t nonfs,msdosfs,ntfs,ntfs-3g,smbfs,smb,cifs,afs,gfs,ocfs,ocfs2,mvfs,nsspool,nssvol | grep -vE \"none|Filesystem\" | awk '{printf \"%s %s\\n\", $4, $6;}' | sort -n | tail -n1 | awk '{print $NF;} | while read x ; do test -w $x && echo $x && break ; done'",TRUE);
#else
    tmp = call_program_and_get_last_line_of_output("LANGUAGE=C df -m -P -x nfs -x nfs4 -x fuse.sshfs -x fuse -x vfat -x ntfs -x ntfs-3g -x smbfs -x smb -x cifs -x afs -x gfs -x ocfs -x ocfs2 -x mvfs -x nsspool -x nssvol -x iso9660 | grep -vE \"none|Filesystem|/dev/shm\" | awk '{printf \"%s %s\\n\", $4, $6;}' | sort -n | tail -n1 | awk '{print $NF;}' | while read x ; do test -w $x && echo $x && break ; done",TRUE);
#endif

    if (tmp[0] != '/') {
        mr_asprintf(sz, "%s", tmp);
        mr_free(tmp);
        mr_asprintf(tmp, "/%s", sz);
        mr_free(sz);
    }
    if (!tmp[0]) {
        fatal_error("I couldn't figure out the scratchdir!");
    }

    /* Cleaning a potential previous scratchdir */
    if (bkpinfo->scratchdir) {
        mr_asprintf(command, "rm -Rf %s", bkpinfo->scratchdir);
        paranoid_system(command);
        mr_free(command);
    }
    mr_free(bkpinfo->scratchdir);

    mr_asprintf(bkpinfo->scratchdir , "%s/mondo.scratch.%d", tmp, (int) (random() % 32768));
    log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);

    /* Cleaning potential previous scratchdir */
    mr_asprintf(command, "rm -Rf %s/mondo.scratch.*", tmp);
    mr_free(tmp);

    paranoid_system(command);
    mr_free(command);
}






/**
 * @addtogroup deviceGroup
 * @{
 */
/**
 * If we can read @p dev, set @return output to it.
 * If @p dev cannot be read, set @p output to NULL.
 * @param dev The device to check for.
 * @return output Set to @p dev if @p dev exists, NULL otherwise.
 */
char *set_dev_to_this_if_rx_OK(char *dev)
{
    char *command = NULL;
    char *output = NULL;

    if (!dev || dev[0] == '\0') {
        return(NULL);
    }
    log_msg(10, "Injecting %s", dev);
    inject_device(dev);
    if (!does_file_exist(dev)) {
        log_msg(10, "%s doesn't exist. Returning FALSE.", dev);
        return(NULL);
    }
    mr_asprintf(command, "dd bs=%ld count=1 if=%s of=/dev/null &> /dev/null", 512L, dev);
    if (!run_program_and_log_output(command, FALSE)
        && !run_program_and_log_output(command, FALSE)) {
        mr_asprintf(output, "%s", dev);
        log_msg(4, "Found it - %s", dev);
    } else {
        log_msg(4, "It's not %s", dev);
    }
    mr_free(command);
    return(output);
}





/**
 * Find out what number CD is in the drive.
 * @param bkpinfo The backup information structure. The @c bkpinfo->media_device field is the only one used.
 * @return The current CD number, or -1 if it could not be found.
 * @note If the CD is not mounted, it will be mounted
 * (and remain mounted after this function returns).
 */
int what_number_cd_is_this()
{
    int cd_number = -1;
    char *mountdev = NULL;
    char *tmp = NULL;

    assert(bkpinfo != NULL);
    //  log_it("Asking what_number_cd_is_this");
    if (g_ISO_restore_mode) {
        mr_asprintf(tmp, "mount | grep iso9660 | awk '{print $3;}'");
        mountdev = call_program_and_get_last_line_of_output(tmp,TRUE);
        mr_strcat(mountdev, "/archives/THIS-CD-NUMBER");
        mr_free(tmp);

        tmp = last_line_of_file(mountdev);
        cd_number = atoi(tmp);
        mr_free(tmp);
        mr_free(mountdev);
        return (cd_number);
    }

    if (bkpinfo->media_device) {
        mr_asprintf(mountdev, "%s", bkpinfo->media_device);
    }
    if (!mountdev) {
        log_it("(what_number_cd_is_this) Warning - media_device unknown. Finding out...");
        mr_free(bkpinfo->media_device);
        bkpinfo->media_device = find_cdrom_device(FALSE);
        mr_asprintf(mountdev, "%s", bkpinfo->media_device);
    }
    if (!is_this_device_mounted(MNT_CDROM)) {
        if (bkpinfo->backup_media_type == usb) {
            mount_USB_here(mountdev, MNT_CDROM);
        } else {
            mount_CDROM_here(mountdev, MNT_CDROM);
        }
    }
    mr_free(mountdev);

    tmp = last_line_of_file(MNT_CDROM "/archives/THIS-CD-NUMBER");
    cd_number = atoi(tmp);
    mr_free(tmp);
    return (cd_number);
}







/**
 * Find out what device is mounted as root (/).
 * @return Root device.
 * @note The returned string points to static storage and will be overwritten with every call.
 * @bug A bit of a misnomer; it's actually finding out the root device.
 * The mountpoint (where it's mounted) will obviously be '/'.
 */
char *where_is_root_mounted() {
    /*@ buffers **************** */
    char *output = NULL;


#ifdef __FreeBSD__
    output = call_program_and_get_last_line_of_output("mount | grep ' on / ' | cut -d' ' -f1",TRUE);
#else
    output = call_program_and_get_last_line_of_output("mount | grep ' on / ' | cut -d' ' -f1 | sed 's/[0-9]//' | sed 's/[0-9]//'",TRUE);
    if (strstr(output, "/dev/cciss/")) {
        mr_free(output);
        output = call_program_and_get_last_line_of_output("mount | grep ' on / ' | cut -d' ' -f1 | cut -dp -f1",TRUE);
    }
    if (strstr(output, "/dev/md")) {
        mr_free(output);
        output = call_program_and_get_last_line_of_output("mount | grep ' on / ' | cut -d' ' -f1",TRUE);
    }
#endif

    return (output);
}


/**
 * Find out which boot loader is in use.
 * @param which_device Device to look for the boot loader on.
 * @return 'L' for LILO, 'E'for ELILO, 'G' for GRUB, 'B' or 'D' for FreeBSD boot loaders, or 'U' for Unknown.
 * @note Under Linux, all drives are examined, not just @p which_device.
 */
#ifdef __FreeBSD__
char which_boot_loader(char *which_device) {
    int count_lilos = 0;
    int count_grubs = 0;
    int count_boot0s = 0;
    int count_dangerouslydedicated = 0;

    log_it("looking at drive %s's MBR", which_device);
    if (does_string_exist_in_boot_block(which_device, "GRUB")) {
        count_grubs++;
    }
    if (does_string_exist_in_boot_block(which_device, "LILO")) {
        count_lilos++;
    }
    if (does_string_exist_in_boot_block(which_device, "Drive")) {
        count_boot0s++;
    }
    if (does_string_exist_in_first_N_blocks(which_device, "FreeBSD/i386", 17)) {
        count_dangerouslydedicated++;
    }
    log_it("%d grubs and %d lilos and %d elilos and %d boot0s and %d DD\n",
           count_grubs, count_lilos, count_elilos, count_boot0s,
           count_dangerouslydedicated);

    if (count_grubs && !count_lilos) {
        return ('G');
    } else if (count_lilos && !count_grubs) {
        return ('L');
    } else if (count_grubs == 1 && count_lilos == 1) {
        log_it("I'll bet you used to use LILO but switched to GRUB...");
        return ('G');
    } else if (count_boot0s == 1) {
        return ('B');
    } else if (count_dangerouslydedicated) {
        return ('D');
    } else {
        log_it("Unknown boot loader");
        return ('U');
    }
}

#else

char which_boot_loader(char *which_device) {
    /*@ buffer ***************************************************** */
    char *list_drives_cmd = NULL;
    char *tmp = NULL;
    char *current_drive = NULL;

    /*@ pointers *************************************************** */
    FILE *pdrives = NULL;

    /*@ int ******************************************************** */
    int count_lilos = 0;
    int count_grubs = 0;

    /*@ end vars *************************************************** */


#ifdef __IA64__
    /* No choice for it */
    return ('E');
#endif

    tmp = where_is_root_mounted();
    mr_asprintf(list_drives_cmd, "parted2fdisk -l 2>/dev/null | grep \"/dev/.*:\" | tr -s ':' ' ' | tr -s ' ' '\n' | grep /dev/; echo %s", tmp);
    mr_free(tmp);
    log_it("list_drives_cmd = %s", list_drives_cmd);

    pdrives = popen(list_drives_cmd, "r");
    mr_free(list_drives_cmd);

    if (!pdrives) {
        log_OS_error("Unable to open list of drives");
        return ('\0');
    }

    for (mr_getline(current_drive, pdrives); !feof(pdrives); mr_getline(current_drive, pdrives)) {
        mr_strip_spaces(current_drive);
        log_it("looking at drive %s's MBR", current_drive);
        if (does_string_exist_in_boot_block(current_drive, "GRUB")) {
            count_grubs++;
            /* BERLIOS : removed as I don't think it's mandatory here
            mr_free(which_device);
            mr_asprintf(which_device, "%s", current_drive);
            */
            mr_free(current_drive);
            break;
        }
        if (does_string_exist_in_boot_block(current_drive, "LILO")) {
            count_lilos++;
            /* BERLIOS : removed as I don't think it's mandatory here
            mr_free(which_device);
            mr_asprintf(which_device, "%s", current_drive);
            */
            mr_free(current_drive);
            break;
        }
        mr_free(current_drive);
    }
    mr_free(current_drive);

    if (pclose(pdrives)) {
        log_OS_error("Cannot pclose pdrives");
    }
    log_it("%d grubs and %d lilos\n", count_grubs, count_lilos);
    if (count_grubs && !count_lilos) {
        return ('G');
    } else if (count_lilos && !count_grubs) {
        return ('L');
    } else if (count_grubs == 1 && count_lilos == 1) {
        log_it("I'll bet you used to use LILO but switched to GRUB...");
        return ('G');
    } else {
        // We need to look on each partition then
        mr_asprintf(list_drives_cmd, "parted2fdisk -l 2>/dev/null | grep -E \"^/dev/\" | tr -s ':' ' ' | tr -s ' ' '\n' | grep /dev/");
        log_it("list_drives_cmd = %s", list_drives_cmd);

        if (!(pdrives = popen(list_drives_cmd, "r"))) {
            log_OS_error("Unable to open list of drives");
            mr_free(list_drives_cmd);
            return ('\0');
        }
        mr_free(list_drives_cmd);

        for (mr_getline(current_drive, pdrives); !feof(pdrives); mr_getline(current_drive, pdrives)) {
            mr_strip_spaces(current_drive);
            log_it("looking at partition %s's BR", current_drive);
            if (does_string_exist_in_boot_block(current_drive, "GRUB")) {
                count_grubs++;
                /* BERLIOS : removed as I don't think it's mandatory here
                mr_free(which_device);
                mr_asprintf(which_device, "%s", current_drive);
                */
                mr_free(current_drive);
                break;
            }
            if (does_string_exist_in_boot_block(current_drive, "LILO")) {
                count_lilos++;
                /* BERLIOS : removed as I don't think it's mandatory here
                mr_free(which_device);
                mr_asprintf(which_device, "%s", current_drive);
                */
                mr_free(current_drive);
                break;
            }
            mr_free(current_drive);
        }
        mr_free(current_drive);

        if (pclose(pdrives)) {
            log_OS_error("Cannot pclose pdrives");
        }
        log_it("%d grubs and %d lilos\n", count_grubs, count_lilos);
        if (count_grubs && !count_lilos) {
            return ('G');
        } else if (count_lilos && !count_grubs) {
            return ('L');
        } else if (count_grubs == 1 && count_lilos == 1) {
            log_it("I'll bet you used to use LILO but switched to GRUB...");
            return ('G');
        } else {
            log_it("Unknown boot loader");
            return ('U');
        }
    }
}
#endif




/**
 * Write zeroes over the first 16K of @p device.
 * @param device The device to zero.
 * @return 0 for success, 1 for failure.
 */
int zero_out_a_device(char *device)
{
    FILE *fout;
    int i;

    assert_string_is_neither_NULL_nor_zerolength(device);

    log_it("Zeroing drive %s", device);
    if (!(fout = fopen(device, "w"))) {
        log_OS_error("Unable to open/write to device");
        return (1);
    }
    for (i = 0; i < 16384; i++) {
        fputc('\0', fout);
    }
    paranoid_fclose(fout);
    log_it("Device successfully zeroed.");
    return (0);
}

/**
 * Return the device pointed to by @p incoming.
 * @param incoming The device to resolve symlinks for.
 * @return The path to the real device file.
 * @note The returned string points to static storage that will be overwritten with each call.
 * @bug Won't work with file v4.0; needs to be written in C.
 */
char *resolve_softlinks_to_get_to_actual_device_file(char *incoming)
{
    char *output;
    char *command = NULL;
    char *curr_fname;
    char *scratch = NULL;
    char *tmp = NULL;
    char *p;

    struct stat statbuf;
    malloc_string(curr_fname);
    if (!does_file_exist(incoming)) {
        log_it("resolve_softlinks_to_get_to_actual_device_file --- device not found");
        mr_asprintf(output, "%s", incoming);
    } else {
        strcpy(curr_fname, incoming);
        lstat(curr_fname, &statbuf);
        while (S_ISLNK(statbuf.st_mode)) {
            log_msg(1, "curr_fname = %s", curr_fname);
            mr_asprintf(command, "file %s", curr_fname);
            tmp = call_program_and_get_last_line_of_output(command,TRUE);
            mr_free(command);
            for (p = tmp + strlen(tmp); p != tmp && *p != '`' && *p != ' '; p--);
            p++;
            mr_asprintf(scratch, "%s", p);
            for (p = scratch; *p != '\0' && *p != '\''; p++);
            *p = '\0';
            log_msg(0, "curr_fname %s --> '%s' --> %s", curr_fname, tmp, scratch);
            mr_free(tmp);

            if (scratch[0] == '/') {
                strcpy(curr_fname, scratch);    // copy whole thing because it's an absolute softlink
            } else {            // copy over the basename cos it's a relative softlink
                p = curr_fname + strlen(curr_fname);
                while (p != curr_fname && *p != '/') {
                    p--;
                }
                if (*p == '/') {
                    p++;
                }
                strcpy(p, scratch);
            }
            mr_free(scratch);
            lstat(curr_fname, &statbuf);
        }
        mr_asprintf(output, "%s", curr_fname);
        log_it("resolved %s to %s", incoming, output);
    }
    paranoid_free(curr_fname);
    return (output);
}

/* @} - end of deviceGroup */

/**
 * Return the type of partition format (GPT or MBR)
 */
char *which_partition_format(const char *drive)
{
    char *output;
    char *tmp = NULL;
    char *command = NULL;
    char *fdisk = NULL;
#ifdef __IA64__
    struct stat buf;
#endif
    mr_asprintf(fdisk, "/sbin/parted2fdisk");
    mr_asprintf(command, "%s -l %s | grep 'EFI GPT'", fdisk, drive);
    mr_free(fdisk);

    tmp = call_program_and_get_last_line_of_output(command,TRUE);
    mr_free(command);

    if (strstr(tmp, "GPT") == NULL) {
        mr_asprintf(output, "MBR");
    } else {
        mr_asprintf(output, "GPT");
    }
    mr_free(tmp);

    log_msg(0, "Found %s partition table format type", output);
    return (output);
}
/**
 * Ask user for details of backup/restore information.
 * Called when @c mondoarchive doesn't get any parameters.
 * @param bkpinfo The backup information structure to fill out with the user's data.
 * @param archiving_to_media TRUE if archiving, FALSE if restoring.
 * @return 0, always.
 * @bug No point of `int' return value.
 * @ingroup archiveGroup
 */
int interactively_obtain_media_parameters_from_user(bool archiving_to_media)
// archiving_to_media is TRUE if I'm being called by mondoarchive
// archiving_to_media is FALSE if I'm being called by mondorestore
{
    char *tmp = NULL;
    char *p = NULL;
    char *q = NULL;
    char *mds = NULL;
    char *sz_size = NULL;
    char *command = NULL;
    char *comment = NULL;
    char *compression_type = NULL;
    int i;
    FILE *fin;

    assert(bkpinfo != NULL);
    bkpinfo->nonbootable_backup = FALSE;

    // Tape, CD, NETFS, ...?
    srandom(getpid());
    bkpinfo->backup_media_type = which_backup_media_type(bkpinfo->restore_data);
    if (bkpinfo->backup_media_type == none) {
        log_to_screen("User has chosen not to backup the PC");
        finish(1);
    }
    /* Why asking to remove the media with tape ?
    if (bkpinfo->backup_media_type == tape && bkpinfo->restore_data) {
        popup_and_OK("Please remove media from drive(s)");
    }
    */
    tmp = bkptype_to_string(bkpinfo->backup_media_type);
    log_msg(3, "media type = %s", tmp);
    mr_free(tmp);

    bkpinfo->cdrw_speed = (bkpinfo->backup_media_type == cdstream) ? 2 : 4;
    bkpinfo->compression_level = (bkpinfo->backup_media_type == cdstream) ? 1 : 5;
    bkpinfo->use_lzo = (bkpinfo->backup_media_type == cdstream) ? TRUE : FALSE;
    mvaddstr_and_log_it(2, 0, " ");

    // Find device's /dev (or SCSI) entry
    switch (bkpinfo->backup_media_type) {
    case cdr:
    case cdrw:
    case dvd:
    case usb:
        /* Never try to eject a USB device */
        if (bkpinfo->backup_media_type == usb) {
            bkpinfo->please_dont_eject = TRUE;
        }
        if (archiving_to_media) {
            if ((bkpinfo->backup_media_type != dvd) && (bkpinfo->backup_media_type != usb)) {
                if (ask_me_yes_or_no("Is your computer a laptop, or does the CD writer incorporate BurnProof technology?")) {
                    bkpinfo->manual_cd_tray = TRUE;
                }
            }
            if ((compression_type = which_compression_type()) == NULL) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }

            if ((bkpinfo->compression_level = which_compression_level()) == -1) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
            mds = media_descriptor_string(bkpinfo->backup_media_type);
            mr_asprintf(comment, "What speed is your %s (re)writer?", mds);
            mr_free(bkpinfo->media_device);
            if (bkpinfo->backup_media_type == dvd) {
                bkpinfo->media_device = find_dvd_device();
                mr_asprintf(tmp, "1");
                mr_asprintf(sz_size, "%d", DEFAULT_DVD_DISK_SIZE);  // 4.7 salesman's GB = 4.482 real GB = 4482 MB
                log_msg(1, "Setting to DVD defaults");
            } else {
                mr_asprintf(bkpinfo->media_device, "%s", VANILLA_SCSI_CDROM);
                mr_asprintf(tmp, "4");
                mr_asprintf(sz_size, "%d", 650);
                log_msg(1, "Setting to CD defaults");
            }
            if ((bkpinfo->backup_media_type != dvd) && (bkpinfo->backup_media_type != usb)) {
                p = popup_and_get_string("Speed", comment, tmp);
                mr_free(tmp);

                if (p == NULL) {
                    log_to_screen("User has chosen not to backup the PC");
                    mr_free(comment);
                    finish(1);
                }
                /* tmp now has the new value given by the user */
                tmp = p;
            }
            mr_free(comment);

            bkpinfo->cdrw_speed = atoi(tmp);    // if DVD then this shouldn't ever be used anyway :)
            mr_free(tmp);

            mr_asprintf(comment, "How much data (in Megabytes) will each %s store?", mds);
            mr_free(mds);
            p = popup_and_get_string("Size", comment, sz_size);
            mr_free(sz_size);
            mr_free(comment);

            if (p == NULL) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
            sz_size = p;

            for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
                bkpinfo->media_size[i] = atoi(sz_size);
            }

            if (bkpinfo->media_size[0] <= 0) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
        }
        /* No break because we continue even for usb */
    case cdstream:
        mds = media_descriptor_string(bkpinfo->backup_media_type);

        mr_free(bkpinfo->media_device);
        if ((bkpinfo->disaster_recovery) && (bkpinfo->backup_media_type != usb)) {
            mr_asprintf(bkpinfo->media_device, "/dev/cdrom");
            log_msg(2, "CD-ROM device assumed to be at %s", bkpinfo->media_device);
        } else if ((bkpinfo->restore_data && (bkpinfo->backup_media_type != usb)) || bkpinfo->backup_media_type == dvd) {
            if ((bkpinfo->backup_media_type == dvd) || ((bkpinfo->media_device = find_cdrom_device(FALSE)) != NULL)) {
                mr_asprintf(comment, "Please specify your %s drive's /dev entry", mds);
                p = popup_and_get_string("Device?", comment, bkpinfo->media_device);
                mr_free(comment);

                if (p == NULL) {
                    log_to_screen("User has chosen not to backup the PC");
                    finish(1);
                }
                mr_free(bkpinfo->media_device);
                bkpinfo->media_device = p;
            }
            if (bkpinfo->media_device != NULL) {
                log_msg(2, "%s device found at %s", mds, bkpinfo->media_device);
            } else {
                log_msg(2, "%s device not found (bkpinfo->media_device is NULL)", mds);
            }
        } else {
            if (((bkpinfo->media_device = find_cdrw_device()) != NULL) && (bkpinfo->backup_media_type != usb)) {
                mr_free(bkpinfo->media_device);
            }
            if (bkpinfo->media_device != NULL) {
                if (bkpinfo->backup_media_type == usb) {
                    mr_asprintf(tmp, "I think your %s media corresponds to %s. Is this correct?", mds, bkpinfo->media_device);
                } else {
                    mr_asprintf(tmp, "I think I've found your %s burner at SCSI node %s. Is this correct? (Say no if you have an IDE burner and you are running a 2.6 kernel. You will then be prompted for further details.)", mds, bkpinfo->media_device);
                }
                if (!ask_me_yes_or_no(tmp)) {
                    mr_free(bkpinfo->media_device);
                }
                mr_free(tmp);
            }
            if (!bkpinfo->media_device) {
                if (bkpinfo->backup_media_type == usb) {
                    p = popup_and_get_string("/dev entry?", "What is the /dev entry of your USB Disk/Key, please?", NULL);
                } else {
                    if (g_kernel_version < 2.6) {
                        p = popup_and_get_string("Device node?", "What is the SCSI node of your CD (re)writer, please?", NULL);
                    } else {
                        p = popup_and_get_string("/dev entry?", "What is the /dev entry of your CD (re)writer, please?", NULL);
                    }
                }
                if (p == NULL) {
                    log_to_screen("User has chosen not to backup the PC");
                    finish(1);
                }
                bkpinfo->media_device = p;
            }
        }
        mr_free(mds);

        if (bkpinfo->backup_media_type == cdstream) {
            for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
                bkpinfo->media_size[i] = 650;
            }
        }
        break;
    case udev:
        if (!ask_me_yes_or_no
            ("This option is for advanced users only. Are you sure?")) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
    case tape:

        mr_free(bkpinfo->media_device);
        if ((!bkpinfo->restore_mode) && ((bkpinfo->media_device = mr_find_tape_device()) == NULL)) {
            log_msg(3, "Ok, using vanilla scsi tape.");
            mr_asprintf(bkpinfo->media_device, "%s", VANILLA_SCSI_TAPE);
            if ((fin = fopen(bkpinfo->media_device, "r"))) {
                paranoid_fclose(fin);
            } else {
                mr_free(bkpinfo->media_device);
                mr_asprintf(bkpinfo->media_device, "/dev/osst0");
            }
        }
        if (bkpinfo->media_device != NULL) {
            if ((fin = fopen(bkpinfo->media_device, "r"))) {
                paranoid_fclose(fin);
            } else {
                if (does_file_exist(MINDI_CACHE"/mondorestore.cfg")) {
                    mr_free(bkpinfo->media_device);
                    bkpinfo->media_device = read_cfg_var(MINDI_CACHE"/mondorestore.cfg", "media-dev");
                }
            }
        }
        if (bkpinfo->media_device != NULL) {
            mr_asprintf(tmp, "I think I've found your tape streamer at %s; am I right on the money?", bkpinfo->media_device);
            if (!ask_me_yes_or_no(tmp)) {
                mr_free(bkpinfo->media_device);
            }
            mr_free(tmp);
        }
        if (bkpinfo->media_device == NULL) {
            p = popup_and_get_string("Device name?", "What is the /dev entry of your tape streamer?", bkpinfo->media_device);
            if (p == NULL) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
            bkpinfo->media_device = p;
        }
        mr_asprintf(tmp, "ls -l %s", bkpinfo->media_device);
        if (run_program_and_log_output(tmp, FALSE)) {
            log_to_screen("User has not specified a valid /dev entry");
            finish(1);
        }
        mr_free(tmp);

        bkpinfo->use_obdr = ask_me_yes_or_no("Do you want to activate OBDR support for your tapes ?");
        bkpinfo->media_size[0] = 0;
        log_msg(4, "media_size[0] = %ld", bkpinfo->media_size[0]);
        if (bkpinfo->media_size[0] <= 0) {
            bkpinfo->media_size[0] = 0;
        }
        for (i = 1; i <= MAX_NOOF_MEDIA; i++) {
            bkpinfo->media_size[i] = bkpinfo->media_size[0];
        }
        if (archiving_to_media) {
            if ((compression_type = which_compression_type()) == NULL) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
            if ((bkpinfo->compression_level = which_compression_level()) == -1) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
        }
        break;



    case netfs:
        /* Never try to eject a NETFS device */
        bkpinfo->please_dont_eject = TRUE;
        /*  Force NFS to be the protocol by default */
        if (bkpinfo->netfs_proto == NULL) {
            mr_asprintf(bkpinfo->netfs_proto, "nfs");
        }

        /* Initiate bkpinfo netfs_mount path from running environment if not already done */
        if (bkpinfo->netfs_mount == NULL) {
            bkpinfo->netfs_mount = call_program_and_get_last_line_of_output("mount | grep \":\" | cut -d' ' -f1 | head -n1",TRUE);
        }
#ifdef __FreeBSD__
        if (TRUE)
#else
        if (!bkpinfo->disaster_recovery)
#endif
        {
            p = popup_and_get_string("Network shared dir.", "Please enter path and directory where archives are stored remotely. (Mondo has taken a guess at the correct value. If it is incorrect, delete it and type the correct one.)", bkpinfo->netfs_mount);
            if (p == NULL) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
            mr_free(bkpinfo->netfs_mount);
            bkpinfo->netfs_mount = p;
            if (!bkpinfo->restore_data) {
                if ((compression_type = which_compression_type()) == NULL) {
                    log_to_screen("User has chosen not to backup the PC");
                    finish(1);
                }

                if ((bkpinfo->compression_level = which_compression_level()) == -1) {
                    log_to_screen("User has chosen not to backup the PC");
                    finish(1);
                }
            }
            // check whether already mounted - we better remove
            // surrounding spaces and trailing '/' for this
            mr_strip_spaces(bkpinfo->netfs_mount);
            if (bkpinfo->netfs_mount[strlen(bkpinfo->netfs_mount) - 1] == '/')
                bkpinfo->netfs_mount[strlen(bkpinfo->netfs_mount) - 1] = '\0';
            q = strchr(bkpinfo->netfs_mount, '@');
            if (q != NULL) {
                /* User found. Store the 2 values */
                q++;
                /* new netfs mount */
                mr_asprintf(tmp,"%s",q);
            } else {
                mr_asprintf(tmp,"%s",bkpinfo->netfs_mount);
            }
            mr_asprintf(command, "mount | grep \"%s \" | cut -d' ' -f3", tmp);
            mr_free(tmp);

            mr_free(bkpinfo->isodir);
            bkpinfo->isodir = call_program_and_get_last_line_of_output(command,TRUE);
            mr_free(command);

            if (!bkpinfo->restore_data) {
                mr_asprintf(comment, "How much data (in Megabytes) will each media store?");
                mr_asprintf(tmp, "%d", DEFAULT_DVD_DISK_SIZE);
                sz_size = popup_and_get_string("Size", comment, tmp);
                mr_free(comment);
                mr_free(tmp);
                if (sz_size == NULL) {
                    log_to_screen("User has chosen not to backup the PC");
                    finish(1);
                }
            } else {
                mr_asprintf(sz_size, "0");
            }
            for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
                bkpinfo->media_size[i] = atoi(sz_size);
            }
            mr_free(sz_size);
            if (bkpinfo->media_size[0] < 0) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
        }
        if (bkpinfo->disaster_recovery) {
            mr_asprintf(command ,"umount %s/isodir 2> /dev/null", bkpinfo->tmpdir);
            (void)system(command);
            mr_free(command);

        }
        p = popup_and_get_string("Network protocol", "Which Network protocol should I use?", bkpinfo->netfs_proto);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->netfs_proto);
        bkpinfo->netfs_proto = p;

        p = popup_and_get_string("Network share", "Which remote Network share should I mount?", bkpinfo->netfs_mount);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->netfs_mount);
        bkpinfo->netfs_mount = p;

        if (bkpinfo->netfs_user) {
            strcpy(tmp1, bkpinfo->netfs_user);
        } else {
            strcpy(tmp1, "");
        }
        if (!popup_and_get_string
            ("Network user", "Which user should I use if any ?",
             tmp1, MAX_STR_LEN)) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->netfs_user);
        if (strcmp(tmp1, "") != 0) {
            mr_asprintf(&(bkpinfo->netfs_user), "%s", tmp1);
        }
    
        /* Initiate bkpinfo isodir path from running environment if mount already done */
        mr_free(bkpinfo->isodir);
        if (is_this_device_mounted(bkpinfo->netfs_mount)) {
            bkpinfo->isodir = call_program_and_get_last_line_of_output("mount | grep \":\" | cut -d' ' -f3 | head -n1",TRUE);

        } else {
            mr_asprintf(bkpinfo->isodir, "%s/netfsdir", bkpinfo->tmpdir);
            mr_asprintf(command, "mkdir -p %s", bkpinfo->isodir);
            run_program_and_log_output(command, 5);
            mr_free(command);

            if (bkpinfo->restore_data) {
                if (strstr(bkpinfo->netfs_proto, "sshfs")) {
                    mr_asprintf(tmp, "sshfs -o ro");
                } else {
                    mr_asprintf(tmp, "mount -t %s -o nolock,ro", bkpinfo->netfs_proto);
                }
            } else {
                if (strstr(bkpinfo->netfs_proto, "sshfs")) {
                    mr_asprintf(tmp, "sshfs");
                } else {
                    mr_asprintf(tmp, "mount -t %s -o nolock", bkpinfo->netfs_proto);
                }
            }
            if (bkpinfo->netfs_user) {
                mr_strcat(tmp, "%s@", bkpinfo->netfs_user);
            }
            mr_strcat(tmp, "%s %s", bkpinfo->netfs_mount, bkpinfo->isodir);
            run_program_and_log_output(tmp, 3);
            mr_free(tmp);

            malloc_string(g_selfmounted_isodir);
            strcpy(g_selfmounted_isodir, bkpinfo->isodir);
        }
        if (!is_this_device_mounted(bkpinfo->netfs_mount)) {
            popup_and_OK("Please mount that partition before you try to backup to or restore from it.");
            finish(1);
        }
        p = popup_and_get_string("Directory", "Which directory within that mountpoint?", bkpinfo->netfs_remote_dir);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->netfs_remote_dir);
        bkpinfo->netfs_remote_dir = p;

        // check whether writable - we better remove surrounding spaces for this
        mr_strip_spaces(bkpinfo->netfs_remote_dir);

        p = popup_and_get_string("Prefix.", "Please enter the prefix that will be prepended to your ISO filename.  Example: machine1 to obtain machine1-[1-9]*.iso files", bkpinfo->prefix);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->prefix);
        bkpinfo->prefix = p;
        log_msg(3, "prefix set to %s", bkpinfo->prefix);

        log_msg(3, "Just set netfs_remote_dir to %s", bkpinfo->netfs_remote_dir);
        log_msg(3, "isodir is still %s", bkpinfo->isodir);
        break;

    case iso:
        if (!bkpinfo->disaster_recovery) {
            p = popup_and_get_string("Storage dir.", "Please enter the full path name to the directory for your ISO images.  Example: /mnt/raid0_0", bkpinfo->isodir);
            if (p == NULL) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
            bkpinfo->isodir = p;

            if (archiving_to_media) {
                if ((compression_type = which_compression_type()) == NULL) {
                    log_to_screen("User has chosen not to backup the PC");
                    finish(1);
                }
                if ((bkpinfo->compression_level = which_compression_level()) == -1) {
                    log_to_screen("User has chosen not to backup the PC");
                    finish(1);
                }
                mr_asprintf(tmp, "%d", DEFAULT_DVD_DISK_SIZE);
                p = popup_and_get_string("ISO size.", "Please enter how big you want each ISO image to be (in megabytes). This should be less than or equal to the size of the CD-R[W]'s (700) or DVD's (4480) you plan to backup to.", tmp);
                mr_free(tmp);
                if (p == NULL) {
                    log_to_screen("User has chosen not to backup the PC");
                    finish(1);
                }
                for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
                    bkpinfo->media_size[i] = atoi(p);
                }
                mr_free(p);
            } else {
                for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
                    bkpinfo->media_size[i] = 650;
                }
            }
        }
        p = popup_and_get_string("Prefix.", "Please enter the prefix that will be prepended to your ISO filename.  Example: machine1 to obtain machine1-[1-9]*.iso files", bkpinfo->prefix);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->prefix);
        bkpinfo->prefix = p;
        log_msg(3, "prefix set to %s", bkpinfo->prefix);
        break;

    default:
        fatal_error
            ("I, Mojo Jojo, shall defeat those pesky Powerpuff Girls!");
    }

    if (archiving_to_media) {

        mr_free(bkpinfo->boot_device);
#ifdef __FreeBSD__
#define EXAMPLEBD   "/dev/ad0"
        bkpinfo->boot_device = call_program_and_get_last_line_of_output("mount | grep ' / ' | head -1 | cut -d' ' -f1 | sed 's/\\([0-9]\\).*/\\1/'",TRUE);
#else
#define EXAMPLEBD   "/dev/hda"
        bkpinfo->boot_device = call_program_and_get_last_line_of_output("mount | grep ' / ' | head -1 | cut -d' ' -f1 | sed 's/[0-9].*//'",TRUE);
#endif
        i = which_boot_loader(bkpinfo->boot_device);
        if (i == 'U')           // unknown
        {

            p = popup_and_get_string("Boot device", "What is your boot device? (e.g. "EXAMPLEBD")", bkpinfo->boot_device);
#undef EXAMPLEBD
            if (p == NULL) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
            mr_free(bkpinfo->boot_device);
            bkpinfo->boot_device = p;
#ifdef __FreeBSD__
            i = which_boot_loader(bkpinfo->boot_device);
#else
            if (does_string_exist_in_boot_block(bkpinfo->boot_device, "LILO")) {
                i = 'L';
            } else
                if (does_string_exist_in_boot_block(bkpinfo->boot_device, "ELILO")) {
                i = 'E';
            } else
                if (does_string_exist_in_boot_block(bkpinfo->boot_device, "GRUB")) {
                i = 'G';
            } else {
                i = 'U';
            }
#endif
            if (i == 'U') {
                if (ask_me_yes_or_no("Unidentified boot loader. Shall I restore it byte-for-byte at restore time and hope for the best?")) {
                    i = 'R';    // raw
                } else {
                    log_to_screen("I cannot find your boot loader. Please run mondoarchive with parameters.");
                    finish(1);
                }
            }
        }
        bkpinfo->boot_loader = i;
        mr_free(bkpinfo->include_paths);
        mr_asprintf(p, "/");
        bkpinfo->include_paths = p;

        p = popup_and_get_string("Backup paths", "Please enter paths which you want me to backup separated by '|'. The default is '/' (i.e. everything).", bkpinfo->include_paths);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->include_paths);
        bkpinfo->include_paths = p;

        tmp = list_of_NETFS_mounts_only();
        if (strlen(tmp) > 2) {
            mr_strcat(bkpinfo->exclude_paths, "|%s",tmp);
        }
        mr_free(tmp);
// NTFS 
        tmp = call_program_and_get_last_line_of_output("parted2fdisk -l | grep -i ntfs | awk '{ print $1};' | tr -s '\\n' ' ' | awk '{ print $0};'",TRUE);
        if (strlen(tmp) > 2) {
            p = popup_and_get_string("NTFS partitions", "Please enter/confirm the NTFS partitions you wish to backup as well.", tmp);

            if (p == NULL) {
                log_to_screen("User has chosen not to backup the PC");
                finish(1);
            }
            mr_free(bkpinfo->image_devs);
            bkpinfo->image_devs = p;
        }


        p = popup_and_get_string("Exclude paths", "Please enter paths which you do NOT want to backup. Separate them with '|'. NB: /tmp and /proc are always excluded. :-) Just hit 'Enter' if you want to do a full system backup.", bkpinfo->exclude_paths);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->exclude_paths);
        bkpinfo->exclude_paths = p;
        /* Always needs to be finished by a pipe */
        mr_strcat(bkpinfo->exclude_paths, "|");

        p = popup_and_get_string("Temporary directory", "Please enter your temporary directory.", bkpinfo->tmpdir);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->tmpdir);
        bkpinfo->tmpdir = p;

        p = popup_and_get_string("Scratch directory", "Please enter your scratch directory.", bkpinfo->scratchdir);
        if (p == NULL) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
        mr_free(bkpinfo->scratchdir);
        bkpinfo->scratchdir = p;

        if (ask_me_yes_or_no("Do you want to backup extended attributes?")) {
            if (find_home_of_exe("getfattr")) {
                mr_free(g_getfattr);
                mr_asprintf(g_getfattr,"getfattr");
            }
            if (find_home_of_exe("getfacl")) {
                mr_free(g_getfacl);
                mr_asprintf(g_getfacl,"getfacl");
            }
        }
// Interactive mode:
#ifdef __IA64__
        bkpinfo->make_cd_use_lilo = TRUE;
#else
        bkpinfo->make_cd_use_lilo = FALSE;
#endif
        bkpinfo->backup_data = TRUE;

        mr_free(bkpinfo->zip_exe);
        mr_free(bkpinfo->zip_suffix);
        if (strcmp(compression_type,"lzo") == 0) {
            mr_asprintf(bkpinfo->zip_exe, "lzop");
            mr_asprintf(bkpinfo->zip_suffix, "lzo");
        } else if (strcmp(compression_type,"gzip") == 0) {
            mr_asprintf(bkpinfo->zip_exe, "gzip");
            mr_asprintf(bkpinfo->zip_suffix, "gz");
        } else if (strcmp(compression_type,"lzma") == 0) {
            mr_asprintf(bkpinfo->zip_exe, "xy");
            mr_asprintf(bkpinfo->zip_suffix, "xy");
        } else if (strcmp(compression_type,"bzip2") == 0) {
            mr_asprintf(bkpinfo->zip_exe, "bzip2");
            mr_asprintf(bkpinfo->zip_suffix, "bz2");
        } else {
            bkpinfo->zip_exe = NULL;
            bkpinfo->zip_suffix = NULL;
        }

        bkpinfo->verify_data =
            ask_me_yes_or_no
            ("Will you want to verify your backups after Mondo has created them?");

        if (!ask_me_yes_or_no
            ("Are you sure you want to proceed? Hit 'no' to abort.")) {
            log_to_screen("User has chosen not to backup the PC");
            finish(1);
        }
    } else {
        bkpinfo->restore_data = TRUE;   // probably...
    }
    mr_free(compression_type);

    if (bkpinfo->backup_media_type == iso
        || bkpinfo->backup_media_type == netfs) {
        g_ISO_restore_mode = TRUE;
    }
#ifdef __FreeSD__
// skip
#else
    if (bkpinfo->backup_media_type == netfs) {
        log_msg(3, "I think the Remote mount is mounted at %s", bkpinfo->isodir);
    }
    log_it("isodir = %s", bkpinfo->isodir);
    if (bkpinfo->netfs_mount) {
        log_it("netfs_mount = '%s'", bkpinfo->netfs_mount);
    }
    if (bkpinfo->netfs_user) {
        log_it("netfs_user = '%s'", bkpinfo->netfs_user);
    }
    if (bkpinfo->netfs_proto) {
        log_it("netfs_proto = '%s'", bkpinfo->netfs_proto);
    }
#endif

    log_it("media device = %s", bkpinfo->media_device);
    log_it("media size = %ld", bkpinfo->media_size[1]);
    tmp = bkptype_to_string(bkpinfo->backup_media_type);
    log_it("media type = %s", tmp);
    mr_free(tmp);

    if (bkpinfo->prefix) {
        log_it("prefix = %s", bkpinfo->prefix);
    }
    log_it("compression = %ld", bkpinfo->compression_level);
    log_it("exclude_path = %s", bkpinfo->exclude_paths);
    log_it("include_path = %s", bkpinfo->include_paths);

    /* Handle devices passed in bkpinfo and print result */
    /*  the mr_make_devlist_from_pathlist function appends
    *  to the *_paths variables so copy before */
    mr_asprintf(tmp, "%s|", bkpinfo->exclude_paths);
    mr_make_devlist_from_pathlist(tmp, 'E');
    mr_free(tmp);
    mr_asprintf(tmp, "%s|", bkpinfo->include_paths);
    mr_make_devlist_from_pathlist(tmp, 'I');
    mr_free(tmp);

    log_it("scratchdir = '%s'", bkpinfo->scratchdir);
    log_it("tmpdir = '%s'", bkpinfo->tmpdir);
    if (bkpinfo->image_devs) {
        log_it("image_devs = '%s'", bkpinfo->image_devs);
    }
    log_it("boot_device = '%s' (loader=%c)", bkpinfo->boot_device, bkpinfo->boot_loader);
    if (bkpinfo->media_size[0] < 0) {
        if (archiving_to_media) {
            fatal_error("Media size is less than zero.");
        } else {
            log_msg(2, "Warning - media size is less than zero.");
            bkpinfo->media_size[0] = 0;
        }
    }
    paranoid_free(sz_size);
    return (0);
}


/* @} - end of deviceGroup */