initial version

6 files changed, 146 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..381b3d5fdf81
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,19 @@
+pkgbase = mkinitcpio-wifi
+	pkgdesc = mkinitcpio hook to enable wifi remote access
+	pkgver = 0.1
+	pkgrel = 1
+	url = https://aur.archlinux.org/packages/mkinitcpio-wifi/
+	install = mkinitcpio-wifi.install
+	arch = any
+	license = GPL
+	depends = mkinitcpio
+	depends = wpa_supplicant
+	depends = iproute2
+	optdepends = mkinitcpio-netconf
+	source = wifi.hook
+	source = wifi.install
+	sha256sums = d09c82d7b2756166b951de66d36094e4f03dfd5cd961cc1fa0852e119d09c828
+	sha256sums = 325fd5aecf747549559eafa243be023c00276ca3c429c3d1222101f2075b7768
+
+pkgname = mkinitcpio-wifi
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000000..511c79207879
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*.pkg.tar.*
+src
+pkg
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..9785edabb55b
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,22 @@
+# Maintainer: tequa
+pkgname=mkinitcpio-wifi
+pkgver=0.1
+pkgrel=1
+pkgdesc="mkinitcpio hook to enable wifi remote access"
+arch=(any)
+license=('GPL')
+url="https://aur.archlinux.org/packages/mkinitcpio-wifi/"
+depends=(mkinitcpio wpa_supplicant iproute2)
+optdepends=(mkinitcpio-netconf)
+install="mkinitcpio-wifi.install"
+source=('wifi.hook'
+        'wifi.install')
+sha256sums=('d09c82d7b2756166b951de66d36094e4f03dfd5cd961cc1fa0852e119d09c828'
+            '325fd5aecf747549559eafa243be023c00276ca3c429c3d1222101f2075b7768')
+
+package() {
+  install -Dm 644 wifi.hook \
+     "${pkgdir}/usr/lib/initcpio/hooks/wifi"
+  install -Dm 644 wifi.install \
+     "${pkgdir}/usr/lib/initcpio/install/wifi"
+}
diff --git a/mkinitcpio-wifi.install b/mkinitcpio-wifi.install
new file mode 100644
index 000000000000..ff4cf2a9cab0
--- /dev/null
+++ b/mkinitcpio-wifi.install
@@ -0,0 +1,6 @@
+post_install() {
+    echo 'to use this hook add "wifi" to your mkinitcpio.conf and create a'
+    echo 'wpa_supplicant configuration in /etc/wpa_supplicant/initcpio.conf, e.g.:'
+    echo 'wpa_passphrase "ESSID" "passphrase" > /etc/wpa_supplicant/initcpio.conf'
+    echo 'and rerun mkinitcpio'
+}
diff --git a/wifi.hook b/wifi.hook
new file mode 100644
index 000000000000..2813af145793
--- /dev/null
+++ b/wifi.hook
@@ -0,0 +1,31 @@
+#!/usr/bin/ash
+
+run_hook ()
+{
+	# sleep a couple of seconds so wlan0 is setup by kernel
+	sleep 3
+
+    echo "Starting wifi"
+
+	# set wlan0 to up
+	ip link set wlan0 up
+
+	# assocciate with wifi network
+	wpa_supplicant -B -D nl80211,wext -i wlan0 -c /etc/wpa_supplicant/initcpio.conf
+
+	# sleep a couple of seconds so that wpa_supplicant finishes connecting
+	sleep 5
+
+	# wlan0 should now be connected and ready to be assigned an ip by the net hook
+}
+
+run_cleanuphook ()
+{
+	# kill wpa_supplicant running in the background
+	killall wpa_supplicant
+
+	# set wlan0 link down
+	ip link set wlan0 down
+
+	# wlan0 should now be fully disconnected from the wifi network
+}
diff --git a/wifi.install b/wifi.install
new file mode 100644
index 000000000000..ba299cd24a79
--- /dev/null
+++ b/wifi.install
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+get_mods_depending_on () {
+    local res
+
+    res=$(lsmod | grep -e "^\\<${1}\\>" | awk '{print $4}')
+    res=(${res//,/ })
+
+    (( ${#res[*]} )) && printf "%s\n" "${res[@]}"
+}
+
+get_mods_depending_on_recursive () {
+    local mods queue i_mod i_testmod
+
+    mods=($1 $(get_mods_depending_on $1))
+    queue=(${mods[@]})
+
+    while (( ${#queue[*]} )) ; do
+        i_mod=${queue[${#queue[@]}-1]}
+        unset queue[${#queue[@]}-1]
+
+        for i_testmod in $(get_mods_depending_on ${i_mod}) ; do
+            in_array ${i_testmod} ${mods[@]}
+            if [ $? != 0 ] ; then
+                mods[${#mods[*]}]=${i_testmod}
+                queue[${#queue[*]}]=${i_testmod}
+            fi
+        done
+    done
+
+    (( ${#mods[*]} )) && printf "%s\n" "${mods[@]}"
+}
+
+
+build ()
+{
+    # Are we even needed?
+    if [ ! -r "/etc/wpa_supplicant/initcpio.conf" ]; then
+        echo "There is no wifi config /etc/wpa_supplicant/initcpio.conf; (create and rerun?); exit"
+        return 0
+    fi
+
+    # wireless modules
+    add_checked_modules "/drivers/net/wireless/"
+
+    # make sure loaded modules depending on cfg80211 are included (e.g. iwlmvm)
+    local mod
+    for mod in $(get_mods_depending_on_recursive cfg80211) ; do
+        add_module $mod
+    done
+
+    add_binary "killall"
+    add_binary "wpa_supplicant"
+    add_binary "ip"
+	add_runscript
+
+    add_file "/etc/wpa_supplicant/initcpio.conf" "/etc/wpa_supplicant/initcpio.conf"
+}
+
+help ()
+{
+cat<<HELPEOF
+	Enables wifi on boot, for ssh unlocking of disk.
+HELPEOF
+}