diff options
Diffstat (limited to 'packages/wpa-supplicant/files/ifupdown.sh')
| -rwxr-xr-x | packages/wpa-supplicant/files/ifupdown.sh | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/packages/wpa-supplicant/files/ifupdown.sh b/packages/wpa-supplicant/files/ifupdown.sh new file mode 100755 index 0000000000..71486f7648 --- /dev/null +++ b/packages/wpa-supplicant/files/ifupdown.sh @@ -0,0 +1,132 @@ +#!/bin/sh + +# Copyright (C) 2006 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 "$WPA_CLI_BIN" ]; then + exit 0 +fi + +# quit if wpa_action is active +if test_wpa_cli; then + exit 0 +fi + +#echo "Initial WPA Checks Pass" + +# preliminary sanity checks for roaming daemon +if [ -n "$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" ]; 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 --quiet \ + 's/[[:space:]]*#.*//g;s/[[:space:]]\+.*$//g;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" + fi + WPA_SUP_CONF="-c $IF_WPA_CONF -C $WPA_CTRL_DIR" +elif set | grep -q "^IF_WPA"; then + WPA_SUP_CONF="-C $WPA_CTRL_DIR" +else + exit 0 +fi + +case "$MODE" in + start) + PHASE="pre-up" + echo "WPA: Configuring Interface" + case "$PHASE" in + pre-up) + kill_wpa_supplicant + init_wpa_supplicant || echo "FAILED" + conf_wpa_supplicant || { kill_wpa_supplicant; exit 1; } + ;; + post-up) + init_wpa_cli || { kill_wpa_supplicant; exit 1; } + ;; + esac + ;; + + stop) + PHASE="post-down" + echo "WPA: Terminating" + case "$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 |