ws/minet: initial version

10 files changed, 374 insertions, 0 deletions

diff --git a/roles/ws/minet/defaults/main.yml b/roles/ws/minet/defaults/main.yml
new file mode 100644
index 00000000..f2a25f02
--- /dev/null
+++ b/roles/ws/minet/defaults/main.yml
@@ -0,0 +1,6 @@
+---
+ws_minet_wired_interface_name: eth0
+ws_minet_wired_interface_module: e1000e
+
+ws_minet_wireless_interface_name: wlan0
+ws_minet_wireless_interface_module: iwlwifi
diff --git a/roles/ws/minet/files/_minet b/roles/ws/minet/files/_minet
new file mode 100644
index 00000000..8f3e02ca
--- /dev/null
+++ b/roles/ws/minet/files/_minet
@@ -0,0 +1,40 @@
+#compdef _minet minet
+#autoload
+
+
+_minet () {
+	local cmd
+	if (( CURRENT > 2)); then
+		cmd=${words[2]}
+		# Set the context for the subcommand.
+		curcontext="${curcontext%:*:*}:pass-$cmd"
+		# Narrow the range of words we are looking at to exclude `pass'
+		(( CURRENT-- ))
+		shift words
+		# Run the completion for the subcommand
+		case "${cmd}" in
+			start)
+				if (( CURRENT == 2 )); then
+					_minet_complete_entries
+				fi
+				;;
+		esac
+	else
+		local -a subcommands
+		subcommands=(
+			"start:Connect to network"
+			"stop:Disconnect from network"
+			"restart:Reconnect to network"
+			"suspend:Suspend current connection"
+			"resume:Resume suspended connection"
+			"status:Print connection status"
+		)
+		_describe -t commands 'minet' subcommands
+	fi
+}
+
+_minet_complete_entries () {
+	local IFS=$'\n'
+	local prefix="/usr/local/lib/minet"
+	_values -C 'connections' ${$(find -L "$prefix" \( -name minet_helpers.sh -o -name template \) -prune -o -type f -executable -print 2>/dev/null | sed -e "s#${prefix}/\{0,1\}##" | sort):-""}
+}
diff --git a/roles/ws/minet/files/minet b/roles/ws/minet/files/minet
new file mode 100755
index 00000000..6d6181e4
--- /dev/null
+++ b/roles/ws/minet/files/minet
@@ -0,0 +1,111 @@
+#!/bin/sh
+#
+# This is the main script of the Minimalistic Network Manager
+# Author: Christian Pointner <equinox@chaos-at-home.org>
+#
+
+NAME="Minimalistic Network Manager"
+CURRENT_FILE="/var/run/minet.current"
+SUSPENDED_FILE="$CURRENT_FILE.suspended"
+SCRIPT_ROOT="/usr/local/lib/minet"
+
+if [ -n "$1" ] && [ "$1" != "status" ] && [ "$USER" != "root" ]; then
+		echo "$NAME: only root can do that!"
+		exit 1
+fi
+
+. $SCRIPT_ROOT/minet_helpers.sh
+
+case "$1" in
+	start)
+		if [ -z "$2" ]; then
+			echo "$NAME: initializing..."
+			if [ -f $CURRENT_FILE ]; then
+				rm $CURRENT_FILE
+			fi
+			if [ -f $SUSPENDED_FILE ]; then
+				rm $SUSPENDED_FILE
+			fi
+		else
+			if [ -f $SUSPENDED_FILE ]; then
+				echo -n "$NAME: "
+				echo -n `cat $SUSPENDED_FILE`
+				echo " is suspended"
+				exit 0
+			fi
+			if [ -x $SCRIPT_ROOT/$2 ]; then
+				if [ -f $CURRENT_FILE ]; then
+					$SCRIPT_ROOT/`cat $CURRENT_FILE` stop
+				fi
+				$SCRIPT_ROOT/$2 start
+				echo $2 > $CURRENT_FILE
+			else
+				echo "Unknown Connection"
+				exit 2
+			fi
+			exit 0
+		fi
+		;;
+	stop)
+		echo "$NAME: stopping..."
+		if [ -f $CURRENT_FILE ]; then
+			$SCRIPT_ROOT/`cat $CURRENT_FILE` stop
+			rm $CURRENT_FILE
+		fi
+		;;
+	restart)
+		echo "$NAME: restarting..."
+		if [ -f $CURRENT_FILE ]; then
+			$SCRIPT_ROOT/`cat $CURRENT_FILE` stop
+			sleep 1
+			$SCRIPT_ROOT/`cat $CURRENT_FILE` start
+		fi
+		;;
+	suspend)
+		echo -n "$NAME: "
+		if [ ! -f $CURRENT_FILE ]; then
+			echo "no active connection to suspend"
+			exit 0
+		else
+		echo -n "suspending connection: "
+			echo `cat $CURRENT_FILE`
+			ln $CURRENT_FILE $SUSPENDED_FILE
+			$SCRIPT_ROOT/`cat $CURRENT_FILE` stop
+			rm $CURRENT_FILE
+		fi
+		;;
+	resume)
+		echo -n "$NAME: "
+		if [ ! -f $SUSPENDED_FILE ]; then
+			echo "no suspended connection to resume"
+			exit 0
+		else
+		echo -n "resuming connection: "
+			echo `cat $SUSPENDED_FILE`
+			ln $SUSPENDED_FILE $CURRENT_FILE
+			$SCRIPT_ROOT/`cat $CURRENT_FILE` start
+			rm $SUSPENDED_FILE
+		fi
+		;;
+	status)
+		echo -n "$NAME status: "
+		if [ ! -f $CURRENT_FILE ]; then
+			if [ -f $SUSPENDED_FILE ]; then
+				echo -n `cat $SUSPENDED_FILE`
+				echo " is suspended"
+				exit 0
+			else
+				echo "not connected"
+				exit 0
+			fi
+		else
+			echo -n "connected with "
+			echo `cat $CURRENT_FILE`
+		fi
+		;;
+	*)
+		echo "Usage: $0 (start [connection name]|stop|suspend|resume|status)"
+		;;
+esac
+
+exit 0
diff --git a/roles/ws/minet/files/minet_helpers.sh b/roles/ws/minet/files/minet_helpers.sh
new file mode 100644
index 00000000..1b82e4a5
--- /dev/null
+++ b/roles/ws/minet/files/minet_helpers.sh
@@ -0,0 +1,53 @@
+# These are helper functions for the Minimalistic Network Manager
+# Author: Christian Pointner <equinox@chaos-at-home.org>
+
+activate_interface()
+{
+  echo 2 > /proc/sys/net/ipv6/conf/default/use_tempaddr
+  modprobe $2
+  while true; do
+    ip link set up dev $1 >/dev/null 2>&1
+    if [ $? -eq 0 ]; then
+      break
+    fi
+    echo -n "."
+    sleep 1
+    echo 2 > /proc/sys/net/ipv6/conf/$1/use_tempaddr
+  done
+  if [ $2 = "eth0" ]; then
+    sleep 2
+    ethtool -s $2 advertise 0x008
+  fi
+  echo ""
+}
+
+deactivate_interface()
+{
+  ip link set down dev $1 >/dev/null 2>&1
+  modprobe -r $2
+}
+
+wpa_select_ssid()
+{
+  NET=$(wpa_cli -i$1 list_networks | awk "BEGIN { FS = \"\\t\" } ; \$2 == \"$2\" { print(\$1) }")
+  if [ -n "$NET" ]; then
+    wpa_cli -i$1 select_network $NET
+  else
+    echo "SSID '$2' is not in wpa_supplicant.conf - ignoring it..."
+  fi
+}
+
+create_6to4()
+{
+  IPV6_ADDR=`printf "2002:%02x%02x:%02x%02x::1" \`echo "$2" | tr "." " "\``
+
+  ip tunnel add mode sit remote 192.88.99.1 name $1
+  ip link set dev $1 up
+  ip addr add dev $1 $IPV6_ADDR/48
+  ip -6 route add default dev $1
+}
+
+destroy_6to4()
+{
+  ip tunnel del name $1
+}
diff --git a/roles/ws/minet/tasks/main.yml b/roles/ws/minet/tasks/main.yml
new file mode 100644
index 00000000..b1c68d7f
--- /dev/null
+++ b/roles/ws/minet/tasks/main.yml
@@ -0,0 +1,31 @@
+---
+- name: install minet management script
+  copy:
+    src: minet
+    dest: /usr/local/sbin/
+    mode: 0755
+
+- name: install minet management script zsh completion
+  copy:
+    src: _minet
+    dest: /usr/local/share/zsh/site-functions
+    mode: 0644
+
+- name: install minet lib dir
+  file:
+    path: /usr/local/lib/minet
+    state: directory
+
+- name: install minet helpers
+  copy:
+    src: minet_helpers.sh
+    dest: /usr/local/lib/minet
+
+- name: install minet connection scripts
+  loop: "{{ lookup('fileglob', 'templates/connections/*.j2', wantlist=True) }}"
+  loop_control:
+    label: "{{ item | basename | splitext | first }}"
+  template:
+    src: "{{ item }}"
+    dest: "/usr/local/lib/minet/{{ item | basename | splitext | first }}"
+    mode: 0755
diff --git a/roles/ws/minet/templates/connections/dhcpWire.j2 b/roles/ws/minet/templates/connections/dhcpWire.j2
new file mode 100755
index 00000000..3acee9a7
--- /dev/null
+++ b/roles/ws/minet/templates/connections/dhcpWire.j2
@@ -0,0 +1,28 @@
+#!/bin/sh
+#
+# Author: Christian Pointner <equinox@chaos-at-home.org>
+#
+
+SHORT_NAME="dhcpwire"
+DESC_NAME="anywhere(dhcp) WIRE"
+INTERFACE="{{ ws_minet_wired_interface_name }}"
+MODULE_NAME="{{ ws_minet_wired_interface_module }}"
+
+. /usr/local/lib/minet/minet_helpers.sh
+
+case "$1" in
+  start|"")
+    echo "Connecting with $DESC_NAME"
+    activate_interface $INTERFACE $MODULE_NAME
+    dhclient $INTERFACE -v -pf /var/run/dhclient.$SHORT_NAME.pid
+    ;;
+  stop)
+    echo "Disconnecting from $DESC_NAME"
+    kill `cat /var/run/dhclient.$SHORT_NAME.pid`
+    rm /var/run/dhclient.$SHORT_NAME.pid
+    deactivate_interface $INTERFACE $MODULE_NAME
+    ;;
+  *)
+    exit 1
+    ;;
+esac
diff --git a/roles/ws/minet/templates/connections/genericWPAWireless.j2 b/roles/ws/minet/templates/connections/genericWPAWireless.j2
new file mode 100755
index 00000000..ecc4b2bb
--- /dev/null
+++ b/roles/ws/minet/templates/connections/genericWPAWireless.j2
@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# Author: Christian Pointner <equinox@chaos-at-home.org>
+#
+
+SHORT_NAME="genericwpawireless"
+DESC_NAME="Generic WPA WIRELESS"
+INTERFACE="{{ ws_minet_wireless_interface_name }}"
+MODULE_NAME="{{ ws_minet_wireless_interface_module }}"
+
+. /usr/local/lib/minet/minet_helpers.sh
+
+case "$1" in
+  start|"")
+    echo "Connecting with $DESC_NAME"
+    activate_interface $INTERFACE $MODULE_NAME
+    wpa_supplicant -c/etc/wpa_supplicant.conf -i$INTERFACE -Dnl80211 -B
+    dhclient $INTERFACE -v -pf /var/run/dhclient.$SHORT_NAME.pid
+    ;;
+  stop)
+    echo "Disconnecting from $DESC_NAME"
+    kill `cat /var/run/dhclient.$SHORT_NAME.pid`
+    rm /var/run/dhclient.$SHORT_NAME.pid
+    killall wpa_supplicant
+    deactivate_interface $INTERFACE $MODULE_NAME
+    ;;
+  *)
+    exit 1
+    ;;
+esac
diff --git a/roles/ws/minet/templates/connections/manualWire.j2 b/roles/ws/minet/templates/connections/manualWire.j2
new file mode 100755
index 00000000..837b4f15
--- /dev/null
+++ b/roles/ws/minet/templates/connections/manualWire.j2
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# Author: Christian Pointner <equinox@chaos-at-home.org>
+#
+
+SHORT_NAME="manualwire"
+DESC_NAME="manual WIRE"
+INTERFACE="{{ ws_minet_wired_interface_name }}"
+MODULE_NAME="{{ ws_minet_wired_interface_module }}"
+
+. /usr/local/lib/minet/minet_helpers.sh
+
+case "$1" in
+  start|"")
+    echo "Connecting with $DESC_NAME"
+    activate_interface $INTERFACE $MODULE_NAME
+    ;;
+  stop)
+    echo "Disconnecting from $DESC_NAME"
+    deactivate_interface $INTERFACE $MODULE_NAME
+    ;;
+  *)
+    exit 1
+    ;;
+esac
diff --git a/roles/ws/minet/templates/connections/manualWireless.j2 b/roles/ws/minet/templates/connections/manualWireless.j2
new file mode 100755
index 00000000..2f0b6dba
--- /dev/null
+++ b/roles/ws/minet/templates/connections/manualWireless.j2
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# Author: Christian Pointner <equinox@chaos-at-home.org>
+#
+
+SHORT_NAME="manualwireless"
+DESC_NAME="manual WIRELESS"
+INTERFACE="{{ ws_minet_wireless_interface_name }}"
+MODULE_NAME="{{ ws_minet_wireless_interface_module }}"
+
+. /usr/local/lib/minet/minet_helpers.sh
+
+case "$1" in
+  start|"")
+    echo "Connecting with $DESC_NAME"
+    activate_interface $INTERFACE $MODULE_NAME
+    ;;
+  stop)
+    echo "Disconnecting from $DESC_NAME"
+    deactivate_interface $INTERFACE $MODULE_NAME
+    ;;
+  *)
+    exit 1
+    ;;
+esac
diff --git a/roles/ws/minet/templates/connections/wifiScan.j2 b/roles/ws/minet/templates/connections/wifiScan.j2
new file mode 100755
index 00000000..81580b63
--- /dev/null
+++ b/roles/ws/minet/templates/connections/wifiScan.j2
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# Author: Christian Pointner <equinox@chaos-at-home.org>
+#
+
+SHORT_NAME="wifiScan"
+DESC_NAME="do a Wifi Scan"
+INTERFACE="{{ ws_minet_wireless_interface_name }}"
+MODULE_NAME="{{ ws_minet_wireless_interface_module }}"
+
+. /usr/local/lib/minet/minet_helpers.sh
+
+case "$1" in
+  start|"")
+    echo "$DESC_NAME"
+    activate_interface $INTERFACE $MODULE_NAME
+    iwlist $INTERFACE scanning | grep -B 5 ESSID
+    deactivate_interface $INTERFACE $MODULE_NAME
+    ;;
+  stop)
+    ;;
+  *)
+    exit 1
+    ;;
+esac