#!/bin/sh
# UnconfigureScxPAM
#
# Check if pam is configured with single
# configuration file or with configuration
# directory.
#
UnconfigureScxPAM() {
    if [ -s /etc/pam.conf ]; then
        UnconfigureScxPAM_file
    elif [ -d /etc/pam.d ]; then
        UnconfigureScxPAM_dir
    fi
    return 0
}

UnconfigureScxPAM_file() {
    # Configured with single file
    #
    # Get all lines except scx configuration
    #
    pam_configuration=`grep -v "^[#	]*scx" /etc/pam.conf | grep -v "# The configuration of scx is generated by the scx installer." | grep -v "# End of section generated by the scx installer."`
    if [ $? -ne 0 ]; then
        # scx not configured in PAM
        return 0
    fi
    #
    # Write it back (to the copy first)
    #
    cp -p /etc/pam.conf /etc/pam.conf.tmp
    echo "$pam_configuration" > /etc/pam.conf.tmp
    if [ $? -ne 0 ]; then
        echo "can't write to /etc/pam.conf.tmp"
        return 1
    fi
    mv /etc/pam.conf.tmp /etc/pam.conf
    if [ $? -ne 0 ]; then
        echo "can't replace /etc/pam.conf"
        return 1
    fi
}

UnconfigureScxPAM_dir() {
    # Configured with directory
    if [ -f /etc/pam.d/scx ]; then  rm -f /etc/pam.d/scx
        return 0
    fi
}

RemoveConfigFiles() {
    if [ -f /etc/opt/microsoft/scx/conf/omiserver.conf -a -f /etc/opt/microsoft/scx/conf/.baseconf/omiserver.backup ]; then
        diff /etc/opt/microsoft/scx/conf/omiserver.conf /etc/opt/microsoft/scx/conf/.baseconf/omiserver.backup
        if [ $? -eq 1 ]; then
            mv /etc/opt/microsoft/scx/conf/omiserver.conf /etc/opt/microsoft/scx/conf/omiserver.conf.pkgsave 2> /dev/null
        else
            rm /etc/opt/microsoft/scx/conf/omiserver.conf 2> /dev/null
        fi
    else
        rm /etc/opt/microsoft/scx/conf/omiserver.conf 2> /dev/null || true
    fi
}

RemoveAdditionalFiles() {
    rm -rf /var/opt/microsoft/scx/tmp/* > /dev/null 2>&1
}

RemoveConfigFiles

rm -f /etc/opt/microsoft/scx/ssl/scx.pem_backup /etc/opt/microsoft/scx/ssl/scx.pem

UnconfigureScxPAM


RemoveAdditionalFiles

exit 0