isdn: Initial commit of ISDN code.

[people/stevee/network.git] / hooks / zones / isdn

diff --git a/hooks/zones/isdn b/hooks/zones/isdn
new file mode 100755 (executable)
index 0000000..82d066f
--- /dev/null
+++ b/hooks/zones/isdn
@@ -0,0 +1,218 @@
+#!/bin/bash
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
+#                                                                             #
+# This program is free software: you can redistribute it and/or modify        #
+# it under the terms of the GNU General Public License as published by        #
+# the Free Software Foundation, either version 3 of the License, or           #
+# (at your option) any later version.                                         #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+. /lib/network/header-zone
+
+HOOK_SETTINGS="HOOK AUTH LINKNAME USER SECRET PEERDNS DEFAULTROUTE MSN MTU"
+HOOK_SETTINGS="${HOOK_SETTINGS} L2PROTO L3PROTO ENCAP PHONE"
+
+AUTH=
+CHANNELS="auto"
+DEFAULTROUTE=1
+ENCAP="syncppp"
+L2PROTO="hdlc"
+L3PROTO="trans"
+LINKNAME="$(uuid)"
+MSN=
+MTU=1500
+PEERDNS=1
+TIMEOUT=10
+SECRET=
+USER=
+PHONE=
+
+MODE="persistent"
+
+ISDN_ALLOWED_AUTHS="chap pap"
+
+function _check() {
+       assert isset USER
+       assert isset SECRET
+       assert isset LINKNAME
+       assert isset DEFAULTROUTE
+       assert isset PEERDNS
+       assert isset TIMEOUT
+       assert isset PHONE
+
+       assert isbool DEFAULTROUTE
+       assert isbool PEERDNS
+       assert isinteger MSN
+       assert isinteger TIMEOUT
+
+       isset AUTH && assert isoneof AUTH ${ISDN_ALLOWED_AUTHS}
+}
+
+function _parse_cmdline() {
+       local value
+
+       while [ $# -gt 0 ]; do
+               case "$1" in
+                       --user=*)
+                               USER=${1#--user=}
+                               ;;
+                       --secret=*)
+                               SECRET=${1#--secret=}
+                               ;;
+                       --linkname=*)
+                               LINKNAME=${1#--name=}
+                               ;;
+                       --mtu=*)
+                               MTU=${1#--mtu=}
+                               ;;
+                       --defaultroute=*)
+                               value=${1#--defaultroute=}
+                               if enabled value; then
+                                       DEFAULTROUTE=1
+                               else
+                                       DEFAULTROUTE=0
+                               fi
+                               ;;
+                       --dns=*)
+                               value=${1#--dns=}
+                               if enabled value; then
+                                       PEERDNS=1
+                               else
+                                       PEERDNS=0
+                               fi
+                               ;;
+                       --auth=*)
+                               AUTH=${1#--auth=}
+                               ;;
+                       --device=*)
+                               DEVICE=${1#--device=}
+                               ;;
+                       --msn=*)
+                               MSN=${1#--msn=}
+                               ;;
+                       --timeout=*)
+                               TIMEOUT=${1#--timeout=}
+                               ;;
+                       --phone=*)
+                               PHONE="${PHONE} ${1#--phone=}"
+                               ;;
+                       *)
+                               echo "Unknown option: $1" >&2
+                               exit ${EXIT_ERROR}
+                               ;;
+               esac
+               shift
+       done
+}
+
+function _up() {
+       local zone=${1}
+       shift
+
+       assert isset zone
+
+       zone_config_read ${zone}
+
+       assert [ -e "/dev/${DEVICE}" ]
+
+       # Creating necessary files
+       # XXX must be PPP_RUN
+       [ -d "${RED_RUN}/${LINKNAME}" ] || mkdir -p ${RED_RUN}/${LINKNAME}
+
+       # Create device node.
+       isdn_create_device ${zone}
+
+       # Apply configuration to the ISDN stack.
+       isdn_set_l2proto ${zone} ${L2PROTO}
+       isdn_set_l3proto ${zone} ${L3PROTO}
+       isdn_set_encap   ${zone} ${ENCAP}
+
+       isdn_set_eaz ${zone} ${MSN}
+       isdn_set_huptimeout ${zone} $(( ${TIMEOUT} * 60 ))
+       isdn_addphone ${zone} out ${PHONE}
+
+       # Updating PPP credentials.
+       ppp_secret "${USER}" "${SECRET}"
+
+       # Bring up connection.
+       isdn_dial ${zone} \
+               --mode=${MODE} \
+               --channels=${CHANNELS} \
+               --user=${USER} \
+               --mtu=${MTU}
+
+       exit ${EXIT_OK}
+}
+
+function _down() {
+       local zone=${1}
+       shift
+
+       # Bring down ISDN interface.
+       isdn_hangup ${zone}
+
+       # Remove ISDN device.
+       isdn_remove_device ${zone}
+
+       exit ${EXIT_OK}
+}
+
+function _status() {
+       local zone=${1}
+
+       assert isset zone
+
+       cli_status_headline ${zone}
+
+       zone_config_read ${zone}
+
+       cli_headline "  Configuration:"
+       printf "${DEVICE_PRINT_LINE1}" "User:" "${USER}"
+       printf "${DEVICE_PRINT_LINE1}" "Secret:" "<hidden>"
+       echo
+       printf "${DEVICE_PRINT_LINE1}" "MTU:" "${MTU}"
+       printf "${DEVICE_PRINT_LINE1}" "Use default route?" "$(enabled DEFAULTROUTE && echo "enabled" || echo "disabled")"
+       printf "${DEVICE_PRINT_LINE1}" "Use peer DNS?" "$(enabled PEERDNS && echo "enabled" || echo "disabled")"
+       echo
+
+       if device_exists ${zone}; then
+               cli_headline "    ISDN information:"
+               printf "${DEVICE_PRINT_LINE1}" "L2 protocol:" "$(isdn_get_l2proto ${zone})"
+               printf "${DEVICE_PRINT_LINE1}" "L3 protocol:" "$(isdn_get_l3proto ${zone})"
+               printf "${DEVICE_PRINT_LINE1}" "Encapsulation:" "$(isdn_get_encap ${zone})"
+               echo
+       fi
+
+       # Exit if zone is down
+       if ! zone_is_up ${zone}; then
+               echo # Empty line
+               exit ${EXIT_ERROR}
+       fi
+
+       # XXX display time since connection started
+
+       cli_headline "    Point-to-Point-over-Ethernet protocol:"
+       echo "        IP-Address            : $(routing_db_get ${zone} local-ip-address)"
+       echo "        Gateway               : $(routing_db_get ${zone} remote-ip-address)"
+       echo "        DNS-Server            : $(routing_db_get ${zone} dns)"
+       echo
+       echo "        MAC-Remote            : $(routing_db_get ${zone} remote-address)"
+       echo
+       echo "        MTU                   : $(device_get_mtu ${zone})"
+       echo # Empty line
+       exit ${EXIT_OK}
+}
+
+run $@