Restore module loader to lib.base (it is needed by shorecap).

Signed-off-by: Tom Eastep <teastep@shorewall.net>

Shorewall/lib.base

@@ -161,6 +161,130 @@ run_user_exit() # $1 = file name
     fi
 }
 
+#
+# Load a Kernel Module -- assumes that the variable 'moduledirectories' contains
+#                         a space-separated list of directories to search for
+#                         the module and that 'moduleloader' contains the
+#                         module loader command.
+#
+loadmodule() # $1 = module name, $2 - * arguments
+{
+    local modulename
+    modulename=$1
+    local modulefile
+    local suffix
+
+    if ! list_search $modulename $MODULES $DONT_LOAD ; then
+	shift
+
+	for suffix in $MODULE_SUFFIX ; do
+	    for directory in $moduledirectories; do
+		modulefile=$directory/${modulename}.${suffix}
+
+		if [ -f $modulefile ]; then
+		    case $moduleloader in
+			insmod)
+			    insmod $modulefile $*
+			    ;;
+			*)
+			    modprobe $modulename $*
+			    ;;
+		    esac
+		    break 2
+		fi
+	    done
+	done
+    fi
+}
+
+#
+# Reload the Modules
+#
+reload_kernel_modules() {
+
+    local save_modules_dir
+    save_modules_dir=$MODULESDIR
+    local directory
+    local moduledirectories
+    moduledirectories=
+    local moduleloader
+    moduleloader=modprobe
+    local uname
+
+    if ! qt mywhich modprobe; then
+	moduleloader=insmod
+    fi
+
+    [ -n "${MODULE_SUFFIX:=o gz ko o.gz ko.gz}" ]
+
+
+    [ -z "$MODULESDIR" ] && \
+	uname=$(uname -r) && \
+	MODULESDIR=/lib/modules/$uname/kernel/net/ipv4/netfilter:/lib/modules/$uname/kernel/net/netfilter:/lib/modules/$uname/kernel/net/sched:/lib/modules/$uname/extra:/lib/modules/$uname/extra/ipset
+
+    MODULES=$(lsmod | cut -d ' ' -f1)
+
+    for directory in $(split $MODULESDIR); do
+	[ -d $directory ] && moduledirectories="$moduledirectories $directory"
+    done
+
+    [ -n "$moduledirectories" ] && while read command; do
+	eval $command
+    done
+
+    MODULESDIR=$save_modules_dir
+}
+
+#
+# Load kernel modules required for Shorewall
+#
+load_kernel_modules() # $1 = Yes, if we are to save moduleinfo in $VARDIR
+{
+    local save_modules_dir
+    save_modules_dir=$MODULESDIR
+    local directory
+    local moduledirectories
+    moduledirectories=
+    local moduleloader
+    moduleloader=modprobe
+    local savemoduleinfo
+    savemoduleinfo=${1:-Yes} # So old compiled scripts still work
+    local uname
+
+    if ! qt mywhich modprobe; then
+	moduleloader=insmod
+    fi
+
+    [ -n "${MODULE_SUFFIX:=o gz ko o.gz ko.gz}" ]
+
+    [ -z "$MODULESDIR" ] && \
+	uname=$(uname -r) && \
+	MODULESDIR=/lib/modules/$uname/kernel/net/ipv4/netfilter:/lib/modules/$uname/kernel/net/netfilter:/lib/modules/$uname/kernel/net/sched:/lib/modules/$uname/extra:/lib/modules/$uname/extra/ipset
+
+    for directory in $(split $MODULESDIR); do
+	[ -d $directory ] && moduledirectories="$moduledirectories $directory"
+    done
+
+    [ -n "$LOAD_HELPERS_ONLY" ] && modules=$(find_file helpers) || modules=$(find_file modules)
+
+    if [ -f $modules -a -n "$moduledirectories" ]; then
+	MODULES=$(lsmod | cut -d ' ' -f1)
+	progress_message "Loading Modules..."
+	. $modules
+	if [ $savemoduleinfo = Yes ]; then
+	    [ -d ${VARDIR} ] || mkdir -p ${VARDIR}
+	    echo MODULESDIR="$MODULESDIR" > ${VARDIR}/.modulesdir
+	    cp -f $modules ${VARDIR}/.modules
+	fi
+    elif [ $savemoduleinfo = Yes ]; then
+	[ -d ${VARDIR} ] || mkdir -p ${VARDIR}
+	> ${VARDIR}/.modulesdir	
+	> ${VARDIR}/.modules
+    fi
+
+    MODULESDIR=$save_modules_dir
+}
+
 #
 # Call this function to assert mutual exclusion with Shorewall. If you invoke the
 # /sbin/shorewall program while holding mutual exclusion, you should pass "nolock" as