diff options
Diffstat (limited to 'recipes/wpa-supplicant/wpa-supplicant-0.6.7/ifupdown.sh')
| -rwxr-xr-x | recipes/wpa-supplicant/wpa-supplicant-0.6.7/ifupdown.sh | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/recipes/wpa-supplicant/wpa-supplicant-0.6.7/ifupdown.sh b/recipes/wpa-supplicant/wpa-supplicant-0.6.7/ifupdown.sh new file mode 100755 index 0000000000..3e38fa036c --- /dev/null +++ b/recipes/wpa-supplicant/wpa-supplicant-0.6.7/ifupdown.sh @@ -0,0 +1,172 @@ +#!/bin/sh + +##################################################################### +## Purpose +# This file is executed by ifupdown in pre-up, post-up, pre-down and +# post-down phases of network interface configuration. It allows +# ifup(8), and ifdown(8) to manage wpa_supplicant(8) and wpa_cli(8) +# processes running in daemon mode. +# +# /etc/wpa_supplicant/functions.sh is sourced by this file. +# +# This file is provided by the wpasupplicant package. + +##################################################################### +# Copyright (C) 2006 - 2008 Debian/Ubuntu wpasupplicant Maintainers +# <pkg-wpa-devel@lists.alioth.debian.org> +# +# 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 2 +# 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. +# +# On Debian GNU/Linux systems, the text of the GPL license can be +# found in /usr/share/common-licenses/GPL. + +if [ -n "$IF_WPA_MAINT_DEBUG" ]; then + set -x +fi + +# quit if we're called for the loopback +if [ "$IFACE" = lo ]; then + exit 0 +fi + +# allow wpa_supplicant interface to be specified via wpa-iface +# useful for starting wpa_supplicant on one interface of a bridge +if [ -n "$IF_WPA_IFACE" ]; then + WPA_IFACE="$IF_WPA_IFACE" +else + WPA_IFACE="$IFACE" +fi + +# source functions +if [ -f /etc/wpa_supplicant/functions.sh ]; then + . /etc/wpa_supplicant/functions.sh +else + exit 0 +fi + +# quit if executables are not installed +if [ ! -x "$WPA_SUP_BIN" ] || [ ! -x "$WPA_CLI_BIN" ]; then + exit 0 +fi + +do_start () { + if test_wpa_cli; then + # if wpa_action is active for this IFACE, do nothing + ifupdown_locked && exit 0 + + # if the administrator is calling ifup, say something useful + if [ "$PHASE" = "pre-up" ]; then + wpa_msg stderr "wpa_action is managing ifup/ifdown state of $WPA_IFACE" + wpa_msg stderr "execute \`ifdown --force $WPA_IFACE' to stop wpa_action" + fi + exit 1 + elif ! set | grep -q "^IF_WPA"; then + # no wpa- option defined for IFACE, do nothing + exit 0 + fi + + # ensure stale ifupdown_lock marker is purged + ifupdown_unlock + + # preliminary sanity checks for roaming daemon + if [ -n "$IF_WPA_ROAM" ]; then + if [ "$METHOD" != "manual" ]; then + wpa_msg stderr "wpa-roam can only be used with the \"manual\" inet METHOD" + exit 1 + fi + if [ -n "$IF_WPA_MAPPING_SCRIPT" ]; then + if ! type "$IF_WPA_MAPPING_SCRIPT" >/dev/null; then + wpa_msg stderr "wpa-mapping-script \"$IF_WPA_MAPPING_SCRIPT\" is not valid" + exit 1 + fi + fi + if [ -n "$IF_WPA_MAPPING_SCRIPT_PRIORITY" ] && [ -z "$IF_WPA_MAPPING_SCRIPT" ]; then + wpa_msg stderr "\"wpa-mapping-script-priority 1\" is invalid without a wpa-mapping-script" + exit 1 + fi + IF_WPA_CONF="$IF_WPA_ROAM" + WPA_ACTION_SCRIPT="/sbin/wpa_action" + fi + + # master function; determines if ifupdown.sh should do something or not + if [ -n "$IF_WPA_CONF" ] && [ "$IF_WPA_CONF" != "managed" ]; then + if [ ! -s "$IF_WPA_CONF" ]; then + wpa_msg stderr "cannot read contents of $IF_WPA_CONF" + exit 1 + fi + WPA_SUP_CONF_CTRL_DIR=$(sed -n -e 's/[[:space:]]*#.*//g' -e 's/[[:space:]]\+.*$//g' \ + -e 's/^ctrl_interface=\(DIR=\)\?\(.*\)/\2/p' "$IF_WPA_CONF") + if [ -n "$WPA_SUP_CONF_CTRL_DIR" ]; then + WPA_CTRL_DIR="$WPA_SUP_CONF_CTRL_DIR" + WPA_SUP_CONF="-c $IF_WPA_CONF" + else + # specify the default ctrl_interface since none was defined in + # the given IF_WPA_CONF + WPA_SUP_CONF="-c $IF_WPA_CONF -C $WPA_CTRL_DIR" + fi + else + # specify the default ctrl_interface + WPA_SUP_CONF="-C $WPA_CTRL_DIR" + fi +} + +do_stop () { + if test_wpa_cli; then + # if wpa_action is active for this IFACE and calling ifdown, + # do nothing + ifupdown_locked && exit 0 + elif test_wpa_supplicant; then + # wpa_supplicant process exists for this IFACE, but wpa_cli + # process does not. Allow stop mode to kill this process. + : + else + exit 0 + fi +} + +case "$MODE" in + start) + do_start + case "$PHASE" in + pre-up) + kill_wpa_supplicant + init_wpa_supplicant || exit 1 + conf_wpa_supplicant || { kill_wpa_supplicant; exit 1; } + ;; + post-up) + init_wpa_cli || { kill_wpa_supplicant; exit 1; } + ;; + esac + ;; + + stop) + do_stop + case "$PHASE" in + pre-down) + kill_wpa_cli + ;; + post-down) + kill_wpa_supplicant + ;; + *) + wpa_msg stderr "unknown phase: \"$PHASE\"" + exit 1 + ;; + esac + ;; + + *) + wpa_msg stderr "unknown mode: \"$MODE\"" + exit 1 + ;; +esac + +exit 0 |