Cross Reference: /illumos-gate/usr/src/cmd/tsol/labeld/svc-labeld

	svc-labeld revision 8700009e2cc8cb186241e1fdd74973da1121ee4c
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#!/sbin/sh
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# CDDL HEADER START
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# The contents of this file are subject to the terms of the
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# Common Development and Distribution License (the "License").
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# You may not use this file except in compliance with the License.
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# or http://www.opensolaris.org/os/licensing.
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# See the License for the specific language governing permissions
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# and limitations under the License.
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# When distributing Covered Code, include this CDDL HEADER in each
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# If applicable, add the following below this CDDL HEADER, with the
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# fields enclosed by brackets "[]" replaced with your own identifying
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# information: Portions Copyright [yyyy] [name of copyright owner]
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# CDDL HEADER END
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe# Use is subject to license terms.
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe#ident  "%Z%%M% %I% %E% SMI"
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe. /lib/svc/share/smf_include.sh
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Lowe
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard LoweROOT_PATH=""
10d63b7db37a83b39c7f511cf9426c9d03ea0760Richard Loweif [ $# -gt 1 ]; then
    if [ $# -ne 3 -o "$2" != "-R" ]; then
        echo "$0: invalid syntax"
        exit $SMF_EXIT_ERR_CONFIG
    fi
    if [ "$3" != "/" ]; then
        ROOT_PATH=$3
    fi
fi
if [ -n "$ROOT_PATH" -a "$1" != "start" ]; then
    echo "$0: invalid syntax: -R allowed for start method only"
    exit $SMF_EXIT_ERR_CONFIG
fi
if [ -n "$ROOT_PATH" -a ! -d "$ROOT_PATH" ]; then
    echo "$0: invalid -R rootpath dir specified"
    exit $SMF_EXIT_ERR_CONFIG
fi

if smf_is_nonglobalzone; then
    echo "$0: not supported in a local zone"
    exit $SMF_EXIT_ERR_CONFIG
fi

do_logindev()
{
    # Comment out audio and usb device entries in /etc/logindevperm.
    LOGINDEVPERM=$ROOT_PATH/etc/logindevperm
    if [ -f $LOGINDEVPERM ]; then
        line="\/dev\/console    0600    \/dev\/sound\/\*"
        sed -e "s/^$line/#$line/" $LOGINDEVPERM > /tmp/tmp.$$
        cp /tmp/tmp.$$ $LOGINDEVPERM
        line="\/dev\/console    0600    \/dev\/usb\/\[0-9a-f\]+\[.\]\[0-9a-f\]+\/\[0-9\]+\/\*"
        sed -e "s/^$line/#$line/" $LOGINDEVPERM > /tmp/tmp.$$
        cp /tmp/tmp.$$ $LOGINDEVPERM
        rm -f /tmp/tmp.$$
    fi
}

do_otherservices()
{
    # Setup dependent services
    cat >> $ROOT_PATH/var/svc/profile/upgrade <<\__ENABLE_OTHERS
        /usr/sbin/svcadm enable -s svc:/network/tnd:default
        /usr/sbin/svcadm enable -s svc:/system/tsol-zones:default
        /usr/sbin/svccfg -s svc:/application/x11/x11-server \
            setprop options/tcp_listen = true
        /usr/sbin/svcadm enable svc:/network/rpc/rstat:default
__ENABLE_OTHERS

}

do_bsmconv()
{
    # Run bsmconv so audit and device allocation is enabled by
    # default with Trusted Extensions.
    if [ "$ROOT_PATH" = "/" -o "$ROOT_PATH" = "" ]; then
        BSMDIR=""
    else
        BSMDIR=$ROOT_PATH
    fi
    echo "Running bsmconv ..."
    echo `TEXTDOMAIN="SUNW_OST_OSCMD" gettext "y"` | \
        $ROOT_PATH/etc/security/bsmconv $ROOT_PATH
}

do_nscd()
{
# For Trusted Extensions, make nscd service transient in local zones.
cat >> $ROOT_PATH/var/svc/profile/upgrade <<\_DEL_LOCAL_NSCD
    if [ `/sbin/zonename` != "global" ]; then
        nscd="svc:/system/name-service-cache"
        duration=""
        if /bin/svcprop -q -c -p startd/duration $nscd ; then
            duration=`/bin/svcprop -c -p startd/duration $nscd`
        fi
        if [ "$duration" != "transient" ]; then
            /usr/sbin/svccfg -s $nscd addpg startd framework
            /usr/sbin/svccfg -s $nscd setprop \
                startd/duration = astring: transient
            /usr/sbin/svccfg -s $nscd setprop stop/exec = :true
            /usr/sbin/svcadm refresh $nscd
        fi
    fi
_DEL_LOCAL_NSCD
}

do_bootupd()
{
    if [ -f $ROOT_PATH/platform/`/sbin/uname -m`/boot_archive ]; then
        if [ -z "$ROOT_PATH" -o "$ROOT_PATH" = "/" ]; then
            /sbin/bootadm update-archive
        else
            /sbin/bootadm update-archive -R $ROOT_PATH
        fi
    fi
}

setup_tx_changes(){
#
# No comments or blanks lines allowed in entries below
#
cat > ${TX_ENTRIES} << EOF
dtlogin     account     requisite   pam_roles.so.1
dtlogin     account     required    pam_unix_account.so.1
dtsession   account     requisite   pam_roles.so.1
dtsession   account     required    pam_unix_account.so.1
gdm     account     requisite   pam_roles.so.1
gdm     account     required    pam_unix_account.so.1
xscreensaver    account     requisite   pam_roles.so.1
xscreensaver    account     required    pam_unix_account.so.1
passwd      account     requisite   pam_roles.so.1
passwd      account     required    pam_unix_account.so.1
dtpasswd    account     requisite   pam_roles.so.1
dtpasswd    account     required    pam_unix_account.so.1
other       account     required    pam_tsol_account.so.1
EOF
}

do_addpam()
{
    PAM_TMP=/tmp/pam_conf.$$
    TX_ENTRIES=$PAM_TMP/sct.$$
    PAM_DEST=$ROOT_PATH/etc/pam.conf

    mkdir $PAM_TMP  || exit $SMF_EXIT_ERR_FATAL
    setup_tx_changes

    # verify that pam.conf file exists...
    if [ ! -f ${PAM_DEST} ]; then
        echo "$0: ${PAM_DEST} not found; aborting"
        exit $SMF_EXIT_ERR_FATAL
    fi

    #
    # Update pam.conf to append Trusted Extensions entries if not
    # already present.
    #
    rm -f /tmp/pamconf.$$
    while read e1 e2 e3 e4 e5
    do
        # If this is the 'other' entry, add it unless it already
        # exists.
        if [ $e1 = "other" ]; then
            grep \
"^[#    ]*$e1[  ][  ]*$e2[  ][  ]*$e3[  ][  ]*$e4" \
                $PAM_DEST >/dev/null 2>&1
            if [ $? = 1 ] ; then
                # Doesn't exist, enter into pam.conf
                echo "$e1\t$e2 $e3\t\t$e4 $e5" \
                    >> /tmp/pamconf.$$
            fi
        else
            # Add other entries unless they already have a
            # stack of their own.
            grep "^[#   ]*$e1[  ][  ]*$e2[  ]" \
                $PAM_DEST >/dev/null 2>&1
            if [ $? = 1 ] ; then
                echo "$e1\t$e2 $e3\t\t$e4 $e5" \
                    >> /tmp/pamconf.$$
            fi
        fi
    done < ${TX_ENTRIES}
    # Append TX lines if any were not present already.
    if [ -f /tmp/pamconf.$$ ] ; then
        echo "# Entries for Trusted Extensions" >> $PAM_DEST
        cat /tmp/pamconf.$$ >> $PAM_DEST
        echo "$0: updating $PAM_DEST entries for Trusted Extensions;"
        echo "$0: please examine/update any new entries"
            rm -f /tmp/pamconf.$$
        fi

    rm -rf $PAM_TMP
}

do_pamremove()
{
    PAM_TMP=/tmp/pam_conf.$$
    TX_ENTRIES=$PAM_TMP/sct.$$
    PAM_DEST=$ROOT_PATH/etc/pam.conf
    TMPFILE=$PAM_TMP/pam.conf

    mkdir $PAM_TMP  || exit $SMF_EXIT_ERR_FATAL

    # verify that pam.conf file exists...
    if [ ! -f ${PAM_DEST} ]; then
        echo "$0: ${PAM_DEST} not found; aborting"
        exit $SMF_EXIT_ERR_FATAL
    fi


    grep '^[a-z].*pam_tsol_account' $PAM_DEST > /dev/null 2>&1
    if [ $? -ne 0 ]; then
        echo "$0: pam_tsol_account module not present,"
        echo "$0: No changes were made to $PAM_DEST."
        return
    fi

    grep -v pam_tsol_account $PAM_DEST > $TMPFILE
    echo "$0: $PAM_DEST "tsol" entries removed"
    cp $TMPFILE $PAM_DEST

    rm -rf $PAM_TMP
}

do_commonstart()
{
    echo "$0: Updating $ROOT_PATH/etc/system..."
    if [ ! -f ${ROOT_PATH}/etc/system ]; then
        touch ${ROOT_PATH}/etc/system
    fi

    # Set sys_labeling in etc/system
    grep -v "sys_labeling=" ${ROOT_PATH}/etc/system > /tmp/etc.system.$$
    echo "set sys_labeling=1" >> /tmp/etc.system.$$
    mv /tmp/etc.system.$$ ${ROOT_PATH}/etc/system
    grep "set sys_labeling=1" ${ROOT_PATH}/etc/system > /dev/null 2>&1
    if [ $? -ne 0 ]; then
            echo "$0: ERROR: cannot set sys_labeling in $ROOT_PATH/etc/system"
        exit $SMF_EXIT_ERR_FATAL
    fi

    # Setup dependent services
    do_otherservices

    do_logindev
    do_bsmconv
    do_nscd
    do_addpam

    do_bootupd
}


daemon_start()
{
    # If a labeld door exists, check for a labeld process and exit
    # if the daemon is already running.
    if [ -r /var/tsol/doors/labeld ]; then
        if /usr/bin/pgrep -x -u 0 -P 1 labeld >/dev/null 2>&1; then
            echo "$0: labeld is already running"
            exit $SMF_EXIT_ERR_FATAL
        fi
    fi
    /usr/bin/rm -f /var/tsol/doors/labeld
    /usr/lib/labeld
}

PATH=/usr/sbin:/usr/bin; export PATH

case "$1" in
'start')
    if [ -z "$ROOT_PATH" -o "$ROOT_PATH" = "/" ]; then
        # native

        if [ -z "$SMF_FMRI" ]; then
            echo "$0: this script can only be invoked by smf(5)"
            exit $SMF_EXIT_ERR_NOSMF
        fi

        tx_enabled=`/usr/bin/svcprop -c -p general/enabled $SMF_FMRI`
        if [ "$tx_enabled" = "false" ]; then
            # A sign of trying temporary enablement...no-no
            echo "$0: Temporarily enabling Trusted Extensions is not allowed."
            exit $SMF_EXIT_ERR_CONFIG
        fi

        if (smf_is_system_labeled); then
            daemon_start
            exit $SMF_EXIT_OK
        fi

        # Make changes to enable Trusted Extensions
        grep "^set sys_labeling=1" ${ROOT_PATH}/etc/system > /dev/null 2>&1
        if [ $? -eq 0 ]; then
            echo "$0: already enabled. Exiting."
            exit $SMF_EXIT_OK
        fi

        if [ "`/usr/sbin/zoneadm list -c`" != "global" ]; then
            echo "$0: Must remove zones before enabling Trusted Extensions."
            exit $SMF_EXIT_ERR_CONFIG
        fi

        do_commonstart

        # start daemon proccess so our service doesn't go into
        # maintenance state
        daemon_start

        echo "$0: Started.  Must reboot and configure Trusted Extensions."
    else
        # Support jumpstart etc

        # Make changes to enable Trusted Extensions
        grep "^set sys_labeling=1" ${ROOT_PATH}/etc/system > /dev/null 2>&1
        if [ $? -eq 0 ]; then
            echo "$0: already enabled. Exiting."
            exit $SMF_EXIT_OK
        fi

        # Setup dependent services
        cat >> $ROOT_PATH/var/svc/profile/upgrade <<\__TRUSTED_ENABLE
            /usr/sbin/svcadm enable -s svc:/system/labeld:default
__TRUSTED_ENABLE

        do_commonstart
        echo "$0: Started.  Must configure Trusted Extensions before booting."
    fi
    ;;

'stop')
    tx_enabled=`/usr/bin/svcprop -c -p general/enabled $SMF_FMRI`
    if [ "$tx_enabled" = "true" ]; then
        /usr/bin/pkill -x -u 0 -P 1 -z `smf_zonename` labeld
        exit $SMF_EXIT_OK
    fi

    if [ "`/usr/sbin/zoneadm list -c`" != "global" ]; then
        echo "$0: Must remove zones before disabling Trusted Extensions."
        exit $SMF_EXIT_ERR_CONFIG
    fi

    # Stop Trusted services.
    /usr/sbin/svcadm disable svc:/system/tsol-zones:default 2>/dev/null
    /usr/sbin/svcadm disable svc:/network/tnd:default 2>/dev/null

    # Uncomment audio and usb device entries in /etc/logindevperm.
    LOGINDEVPERM=$ROOT_PATH/etc/logindevperm
    if [ -f $LOGINDEVPERM ]; then
        line="\/dev\/console    0600    \/dev\/sound\/\*"
        sed -e "s/^#$line/$line/" $LOGINDEVPERM > /tmp/tmp.$$
        cp /tmp/tmp.$$ $LOGINDEVPERM
        line="\/dev\/console    0600    \/dev\/usb\/\[0-9a-f\]+\[.\]\[0-9a-f\]+\/\[0-9\]+\/\*"
        sed -e "s/^#$line/$line/" $LOGINDEVPERM > /tmp/tmp.$$
        cp /tmp/tmp.$$ $LOGINDEVPERM
        rm -f /tmp/tmp.$$
    fi

    # Remove sys_labeling from /etc/system
    grep -v "sys_labeling" ${ROOT_PATH}/etc/system > /tmp/etc.system.$$
    mv /tmp/etc.system.$$ ${ROOT_PATH}/etc/system
    grep "sys_labeling" ${ROOT_PATH}/etc/system > /dev/null 2>&1
    if [ $? -eq 0 ]; then
            echo "$0: ERROR: cannot remove sys_labeling in $ROOT_PATH/etc/system"
        exit $SMF_EXIT_ERR_FATAL
    fi

    do_pamremove

    do_bootupd

    /usr/bin/pkill -x -u 0 -P 1 -z `smf_zonename` labeld
    echo "$0: Stopped.  Will take effect at next boot."
    ;;

*)
    echo "Usage: $0 { start | stop }"
    exit 1
    ;;
esac

exit $SMF_EXIT_OK