119 lines
2.8 KiB
Text
119 lines
2.8 KiB
Text
# Start, reconfigure and stop wpa_supplicant per wireless interface.
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# This is needed because wpa_supplicant lacks hotplugging of any kind
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# and the user should not be expected to have to wire it into their system
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# if the base system doesn't do this itself.
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if [ -z "$wpa_supplicant_conf" ]; then
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for x in \
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/etc/wpa_supplicant/wpa_supplicant-"$interface".conf \
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/etc/wpa_supplicant/wpa_supplicant.conf \
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/etc/wpa_supplicant-"$interface".conf \
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/etc/wpa_supplicant.conf \
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; do
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if [ -s "$x" ]; then
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wpa_supplicant_conf="$x"
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break
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fi
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done
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fi
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: ${wpa_supplicant_conf:=/etc/wpa_supplicant.conf}
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wpa_supplicant_ctrldir()
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{
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local dir
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dir=$(key_get_value "[[:space:]]*ctrl_interface=" \
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"$wpa_supplicant_conf")
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dir=$(trim "$dir")
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case "$dir" in
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DIR=*)
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dir=${dir##DIR=}
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dir=${dir%%[[:space:]]GROUP=*}
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dir=$(trim "$dir")
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;;
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esac
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printf %s "$dir"
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}
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wpa_supplicant_start()
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{
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local dir err errn
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# If the carrier is up, don't bother checking anything
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[ "$ifcarrier" = "up" ] && return 0
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# Pre flight checks
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if [ ! -s "$wpa_supplicant_conf" ]; then
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syslog warn \
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"$wpa_supplicant_conf does not exist"
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syslog warn "not interacting with wpa_supplicant(8)"
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return 1
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fi
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dir=$(wpa_supplicant_ctrldir)
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if [ -z "$dir" ]; then
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syslog warn \
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"ctrl_interface not defined in $wpa_supplicant_conf"
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syslog warn "not interacting with wpa_supplicant(8)"
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return 1
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fi
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wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1 && return 0
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syslog info "starting wpa_supplicant"
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driver=${wpa_supplicant_driver:+-D}$wpa_supplicant_driver
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err=$(wpa_supplicant -B -c"$wpa_supplicant_conf" -i"$interface" \
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"$driver" 2>&1)
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errn=$?
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if [ $errn != 0 ]; then
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syslog err "failed to start wpa_supplicant"
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syslog err "$err"
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fi
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return $errn
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}
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wpa_supplicant_reconfigure()
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{
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local dir err errn
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dir=$(wpa_supplicant_ctrldir)
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[ -z "$dir" ] && return 1
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if ! wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1; then
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wpa_supplicant_start
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return $?
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fi
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syslog info "reconfiguring wpa_supplicant"
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err=$(wpa_cli -p "$dir" -i "$interface" reconfigure 2>&1)
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errn=$?
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if [ $errn != 0 ]; then
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syslog err "failed to reconfigure wpa_supplicant"
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syslog err "$err"
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fi
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return $errn
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}
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wpa_supplicant_stop()
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{
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local dir err errn
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dir=$(wpa_supplicant_ctrldir)
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[ -z "$dir" ] && return 1
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wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1 || return 0
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syslog info "stopping wpa_supplicant"
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err=$(wpa_cli -i"$interface" terminate 2>&1)
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errn=$?
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if [ $errn != 0 ]; then
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syslog err "failed to start wpa_supplicant"
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syslog err "$err"
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fi
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return $errn
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}
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if [ "$ifwireless" = "1" ] && \
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type wpa_supplicant >/dev/null 2>&1 && \
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type wpa_cli >/dev/null 2>&1
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then
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case "$reason" in
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PREINIT) wpa_supplicant_start;;
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RECONFIGURE) wpa_supplicant_reconfigure;;
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DEPARTED) wpa_supplicant_stop;;
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esac
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fi
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