diff options
Diffstat (limited to 'net.Linux/iwconfig.sh')
| -rw-r--r-- | net.Linux/iwconfig.sh | 761 |
1 files changed, 0 insertions, 761 deletions
diff --git a/net.Linux/iwconfig.sh b/net.Linux/iwconfig.sh deleted file mode 100644 index 1610cba3..00000000 --- a/net.Linux/iwconfig.sh +++ /dev/null @@ -1,761 +0,0 @@ -# Copyright 2007-2008 Roy Marples <roy@marples.name> -# All rights reserved. Released under the 2-clause BSD license. - -_config_vars="$_config_vars ssid mode associate_timeout sleep_scan" -_config_vars="$_config_vars preferred_aps blacklist_aps" - -iwconfig_depend() -{ - program /sbin/iwconfig - after plug - before interface - provide wireless -} - -iwconfig_get_wep_status() -{ - local mode= status="disabled" - - # No easy way of doing this grep in bash regex :/ - if LC_ALL=C iwconfig "${IFACE}" | \ - grep -qE "^ +Encryption key:[*0-9,A-F]"; then - status="enabled" - mode=$(LC_ALL=C iwconfig "${IFACE}" | \ - sed -n -e 's/^.*Security mode:\(.*[^ ]\).*/\1/p') - [ -n "${mode}" ] && mode=" - ${mode}" - fi - - echo "(WEP ${status}${mode})" -} - -_get_ssid() -{ - local i=5 ssid= - - while [ ${i} -gt 0 ]; do - ssid=$(iwgetid --raw "${IFACE}") - if [ -n "${ssid}" ]; then - echo "${ssid}" - return 0 - fi - sleep 1 - i=$((${i} + 1)) - done - - return 1 -} - -_get_ap_mac_address() -{ - local mac="$(iwgetid --raw --ap "${IFACE}")" - case "${mac}" in - "00:00:00:00:00:00") return 1;; - "44:44:44:44:44:44") return 1;; - "FF:00:00:00:00:00") return 1;; - "FF:FF:FF:FF:FF:FF") return 1;; - *) echo "${mac}";; - esac -} - -iwconfig_get_mode() -{ - LC_ALL=C iwgetid --mode "${IFACE}" | \ - sed -n -e 's/^.*Mode:\(.*\)/\1/p' | \ - tr '[:upper:]' '[:lower:]' -} - -iwconfig_set_mode() -{ - local mode="$1" - [ "${mode}" = "$(iwconfig_get_mode)" ] && return 0 - - # Devicescape stack requires the interface to be down - _down - iwconfig "${IFACE}" mode "${mode}" || return 1 - _up -} - -iwconfig_get_type() -{ - LC_ALL=C iwconfig "${IFACE}" | \ - sed -n -e 's/^'"$1"' *\([^ ]* [^ ]*\).*/\1/p' -} - -iwconfig_report() -{ - local mac= m="connected to" - local ssid="$(_get_ssid)" - local wep_status="$(iwconfig_get_wep_status)" - local channel="$(iwgetid --raw --channel "${iface}")" - [ -n "${channel}" ] && channel="on channel ${channel} " - local mode="$(iwconfig_get_mode)" - if [ "${mode}" = "master" ]; then - m="configured as" - else - mac="$(_get_ap_mac_address)" - [ -n "${mac}" ] && mac=" at ${mac}" - fi - - eindent - einfo "${IFACE} ${m} SSID \"${SSID}\"${mac}" - einfo "in ${mode} mode ${channel}${wep_status}" - eoutdent -} - -iwconfig_get_wep_key() -{ - local mac="$1" key= - [ -n "${mac}" ] && mac="$(echo "${mac}" | sed -e 's/://g')" - eval key=\$mac_key_${mac} - [ -z "${key}" ] && eval key=\$key_${SSIDVAR} - if [ -z "${key}" ]; then - echo "off" - else - set -- ${key} - local x= e=false - for x; do - if [ "${x}" = "enc" ]; then - e=true - break - fi - done - ${e} || key="${key} enc open" - echo "${key}" - fi -} - -iwconfig_user_config() -{ - local conf= var=${SSIDVAR} config= - [ -z "${var}" ] && var=${IFVAR} - - config="$(_get_array "iwconfig_${var}")" - local IFS="$__IFS" - for conf in ${config}; do - unset IFS - if ! eval iwconfig "${IFACE}" "${conf}"; then - ewarn "${IFACE} does not support the following configuration commands" - ewarn " ${conf}" - fi - done - unset IFS - - config="$(_get_array "iwpriv_${var}")" - local IFS="$__IFS" - for conf in ${config}; do - unset IFS - if ! eval iwpriv "${IFACE}" "${conf}"; then - ewarn "${IFACE} does not support the following private ioctls" - ewarn " ${conf}" - fi - done -} - -iwconfig_setup_specific() -{ - local mode="$1" channel= - if [ -z "${SSID}" ]; then - eerror "${IFACE} requires an SSID to be set to operate in ${mode} mode" - eerror "adjust the ssid_${IFVAR} setting in /etc/conf.d/net" - return 1 - fi - SSIDVAR=$(shell_var "${SSID}") - local key=$(iwconfig_get_wep_key) - - iwconfig_set_mode "${mode}" - - # Now set the key - if ! eval iwconfig "${IFACE}" key "${key}"; then - if [ "${key}" != "off" ]; then - ewarn "${IFACE} does not support setting keys" - ewarn "or the parameter \"mac_key_${SSIDVAR}\" or \"key_${SSIDVAR}\" is incorrect" - fi - fi - - # Then set the SSID - if ! iwconfig "${IFACE}" essid "${SSID}"; then - eerror "${IFACE} does not support setting SSID to \"${SSID}\"" - return 1 - fi - - eval channel=\$channel_${SSIDVAR} - [ -z "${channel}" ] && eval channel=\$channel_${IFVAR} - # We default the channel to 3 - if ! iwconfig "${IFACE}" channel "${channel:-3}"; then - ewarn "${IFACE} does not support setting the channel to \"${channel:-3}\"" - return 1 - fi - - # Finally apply the user Config - iwconfig_user_config - - iwconfig_report - return 0 -} - -iwconfig_wait_for_association() -{ - local timeout= i=0 - eval timeout=\$associate_timeout_${IFVAR} - timeout=${timeout:-10} - - [ ${timeout} -eq 0 ] \ - && vewarn "WARNING: infinite timeout set for association on ${IFACE}" - - while true; do - # Use sysfs if we can - if [ -e /sys/class/net/"${IFACE}"/carrier ]; then - if [ "$(cat /sys/class/net/"${IFACE}"/carrier)" = "1" ]; then - # Double check we have an ssid. This is mainly for buggy - # prism54 drivers that always set their carrier on :/ - [ -n "$(iwgetid --raw "${IFACE}")" ] && return 0 - fi - else - local atest= - eval atest=\$associate_test_${IFVAR} - atest=${atest:-mac} - if [ "${atest}" = "mac" -o "${atest}" = "all" ]; then - [ -n "$(_get_ap_mac_address)" ] && return 0 - fi - if [ "${atest}" = "quality" -o "${atest}" = "all" ]; then - [ "$(sed -n -e 's/^.*'"${IFACE}"': *[0-9]* *\([0-9]*\).*/\1/p' \ - /proc/net/wireless)" != "0" ] && return 0 - fi - fi - - sleep 1 - [ ${timeout} -eq 0 ] && continue - i=$((${i} + 1)) - [ ${i} -ge ${timeout} ] && return 1 - done - return 1 -} - -iwconfig_associate() -{ - local mode="${1:-managed}" mac="$2" wep_required="$3" - local freq="$4" chan="$5" - local w="(WEP Disabled)" key= - - iwconfig_set_mode "${mode}" - - if [ "${SSID}" = "any" ]; then - iwconfig "${IFACE}" ap any 2>/dev/null - unset SSIDVAR - else - SSIDVAR=$(shell_var "${SSID}") - key="$(iwconfig_get_wep_key "${mac}")" - if [ "${wep_required}" = "on" -a "${key}" = "off" ]; then - ewarn "WEP key is not set for \"${SSID}\" - not connecting" - return 1 - fi - if [ "${wep_required}" = "off" -a "${key}" != "off" ]; then - key="off" - ewarn "\"${SSID}\" is not WEP enabled - ignoring setting" - fi - - if ! eval iwconfig "${IFACE}" key "${key}"; then - if [ "${key}" != "off" ]; then - ewarn "${IFACE} does not support setting keys" - ewarn "or the parameter \"mac_key_${SSIDVAR}\" or \"key_${SSIDVAR}\" is incorrect" - return 1 - fi - fi - [ "${key}" != "off" ] && w="$(iwconfig_get_wep_status "${iface}")" - fi - - if ! iwconfig "${IFACE}" essid "${SSID}"; then - if [ "${SSID}" != "any" ]; then - ewarn "${IFACE} does not support setting SSID to \"${SSID}\"" - fi - fi - - # Only use channel or frequency - if [ -n "${chan}" ]; then - iwconfig "${IFACE}" channel "${chan}" - elif [ -n "${freq}" ]; then - iwconfig "${IFACE}" freq "${freq}" - fi - [ -n "${mac}" ] && iwconfig "${IFACE}" ap "${mac}" - - # Finally apply the user Config - iwconfig_user_config - - ebegin "Connecting to \"${SSID}\" in ${mode} mode ${w}" - - if [ "${SSID}" != "any" ] && type preassociate >/dev/null 2>&1; then - veinfo "Running preassociate function" - veindent - ( preassociate ) - local e=$? - veoutdent - if [ ${e} -eq 0 ]; then - veend 1 "preassociate \"${SSID}\" on ${IFACE} failed" - return 1 - fi - fi - - if ! iwconfig_wait_for_association; then - eend 1 - return 1 - fi - eend 0 - - if [ "${SSID}" = "any" ]; then - SSID="$(_get_ssid)" - iwconfig_associate - return $? - fi - - iwconfig_report - - if type postassociate >/dev/null 2>&1; then - veinfo "Running postassociate function" - veindent - ( postassociate ) - veoutdent - fi - - return 0 -} - -iwconfig_scan() -{ - local x= i=0 scan= - einfo "Scanning for access points" - eindent - - # Sleep if required - eval x=\$sleep_scan_${IFVAR} - [ -n "${x}" ] && sleep "${x}" - - while [ ${i} -lt 3 ]; do - local scan="${scan}${scan:+ }$(LC_ALL=C iwlist "${IFACE}" scan 2>/dev/null | sed -e "s/'/'\\\\''/g" -e "s/$/'/g" -e "s/^/'/g")" - # If this is the first pass and txpower as off and we have no - # results then we need to wait for at least 2 seconds whilst - # the interface does an initial scan. - if [ "${i}" = "0" -a "${txpowerwasoff}" = "0" ]; then - case "${scan}" in - "'${IFACE} "*"No scan results"*) - sleep 2 - txpowerwasoff=1 - continue - ;; - esac - fi - i=$((${i} + 1)) - done - - if [ -z "${scan}" ]; then - ewarn "${iface} does not support scanning" - eoutdent - eval x=\$adhoc_ssid_${IFVAR} - [ -n "${x}" ] && return 0 - if [ -n "${preferred_aps}" ]; then - [ "${associate_order}" = "forcepreferred" ] || \ - [ "${associate_order}" = "forcepreferredonly" ] && return 0 - fi - eerror "You either need to set a preferred_aps list in /etc/conf.d/wireless" - eerror " preferred_aps=\"SSID1 SSID2\"" - eerror " and set associate_order_${IFVAR}=\"forcepreferred\"" - eerror " or set associate_order_${IFVAR}=\"forcepreferredonly\"" - eerror "or hardcode the SSID to \"any\" and let the driver find an Access Point" - eerror " ssid_${IFVAR}=\"any\"" - eerror "or configure defaulting to Ad-Hoc when Managed fails" - eerror " adhoc_ssid_${IFVAR}=\"WLAN\"" - eerror "or hardcode the SSID against the interface (not recommended)" - eerror " ssid_${IFVAR}=\"SSID\"" - return 1 - fi - - APS=-1 - eval set -- ${scan} - for line; do - case "${line}" in - *Address:*) - APS=$((${APS} + 1)) - eval MAC_${APS}="\""$(echo "${line#*: }" | tr '[:lower:]' '[:upper:]')"\"" - eval QUALITY_${APS}=0 - ;; - *ESSID:*) - x=${line#*\"} - x=${x%*\"} - eval SSID_${APS}=\$x - ;; - *Mode:*) - x="$(echo "${line#*:}" | tr '[:upper:]' '[:lower:]')" - if [ "${x}" = "master" ]; then - eval MODE_${APS}=managed - else - eval MODE_${APS}=\$x - fi - ;; - *'Encryption key:'*) - x=${line#*:} - eval ENC_${APS}=\$x - ;; - #*Frequency:*) - # freq[i]="${line#*:}" - # x="${freq[i]#* }" - # freq[i]="${freq[i]%% *}${x:0:1}" - # ;; - *Channel:*) - x=${line#*:} - x=${x%% *} - eval CHAN_${APS}=\$x - ;; - *Quality*) - x=${line#*:} - x=${x%/*} - x="$(echo "${x}" | sed -e 's/[^[:digit:]]//g')" - x=${x:-0} - eval QUALITY_${APS}=\$x - ;; - esac - done - - if [ -z "${MAC_0}" ]; then - ewarn "no access points found" - eoutdent - return 1 - fi - - # Sort based on quality - local i=0 k=1 a= b= x= t= - while [ ${i} -lt ${APS} ]; do - k=$((${i} + 1)) - while [ ${k} -le ${APS} ]; do - eval a=\$QUALITY_${i} - [ -z "${a}" ] && break - eval b=\$QUALITY_${k} - if [ -n "${b}" -a "${a}" -lt "${b}" ]; then - for x in MAC SSID CHAN QUALITY ENC; do - eval t=\$${x}_${i} - eval ${x}_${i}=\$${x}_${k} - eval ${x}_${k}=\$t - done - fi - k=$((${k} + 1)) - done - i=$((${i} + 1)) - done - - # Strip any duplicates - local i=0 k=1 a= b= - while [ ${i} -lt ${APS} ]; do - k=$((${i} + 1)) - while [ ${k} -le ${APS} ]; do - eval a=\$MAC_${i} - eval b=\$MAC_${k} - if [ "${a}" = "${b}" ]; then - eval a=\$QUALITY_${i} - eval b=\$QUALITY_${k} - local u=${k} - # We need to split this into two tests, otherwise bash errors - [ -n "${a}" -a -n "${b}" ] && [ "${a}" -lt "${b}" ] && u=${i} - unset MAC_${u} SSID_${u} CHAN_${u} QUALITY_${u} ENC_${u} - fi - k=$((${k} + 1)) - done - i=$((${i} + 1)) - done - - local i=0 e= m= s= - - while [ ${i} -le ${APS} ]; do - eval x=\$MAC_${i} - if [ -z "${x}" ]; then - i=$((${i} + 1)) - continue - fi - - eval m=\$MODE_${i} - eval s=\$SSID_${i} - eval q=\$QUALITY_${i} - eval e=\$ENC_${i} - if [ -n "${e}" -a "${e}" != "off" ]; then - e=", encrypted" - else - e="" - fi - if [ -z "${s}" ]; then - einfo "Found ${x}, ${m}${e}" - else - einfo "Found \"${s}\" at ${x}, ${m}${e}" - fi - - x="$(echo "${x}" | sed -e 's/://g')" - eval x=\$mac_ssid_${x} - if [ -n "${x}" ]; then - eval SSID_${i}=\$x - s=${x} - eindent - einfo "mapping to \"${x}\"" - eoutdent - fi - - eval set -- $(_flatten_array "blacklist_aps_${IFVAR}") - [ $# = 0 ] && eval set -- $(_flatten_array "blacklist_aps") - for x; do - if [ "${x}" = "${s}" ]; then - ewarn "${s} has been blacklisted - not connecting" - unset SSID_${i} MAC_${i} CHAN_${i} QUALITY_${i} ENC_${i} - fi - done - i=$((${i} + 1)) - done - eoutdent -} - -iwconfig_force_preferred() -{ - eval set -- $(_flatten_array "preferred_aps_${IFVAR}") - [ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps") - [ $# = 0 ] && return 1 - - ewarn "Trying to force preferred in case they are hidden" - for ssid; do - local found_AP=false i=0 e= - while [ ${i} -le ${APS} ]; do - eval e=\$SSID_${i} - if [ "${e}" = "${ssid}" ]; then - found_AP=true - break - fi - i=$((${i} + 1)) - done - if ! ${found_AP}; then - SSID=${e} - iwconfig_associate && return 0 - fi - done - - ewarn "Failed to associate with any preferred access points on ${IFACE}" - return 1 -} - -iwconfig_connect_preferred() -{ - local ssid= i= mode= mac= enc= freq= chan= - eval set -- $(_flatten_array "preferred_aps_${IFVAR}") - [ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps") - - for ssid; do - unset IFS - i=0 - while [ ${i} -le ${APS} ]; do - eval e=\$SSID_${i} - if [ "${e}" = "${ssid}" ]; then - SSID=${e} - eval mode=\$MODE_${i} - eval mac=\$MAC_${i} - eval enc=\$ENC_${i} - eval freq=\$FREQ_${i} - eval chan=\$CHAN_${i} - iwconfig_associate "${mode}" "${mac}" "${enc}" "${freq}" \ - "${chan}" && return 0 - fi - i=$((${i} + 1)) - done - done - - return 1 -} - -iwconfig_connect_not_preferred() -{ - local ssid= i=0 mode= mac= enc= freq= chan= pref=false - - while [ ${i} -le ${APS} ]; do - eval e=\$SSID_${i} - if [ -n "${e}" ]; then - eval set -- $(_flatten_array "preferred_aps_${IFVAR}") - [ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps") - for ssid; do - if [ "${e}" = "${ssid}" ]; then - pref=true - break - fi - done - - if ! ${pref}; then - SSID=${e} - eval mode=\$MODE_${i} - eval mac=\$MAC_${i} - eval enc=\$ENC_${i} - eval freq=\$FREQ_${i} - eval chan=\$CHAN_${i} - iwconfig_associate "${mode}" "${mac}" "${enc}" "${freq}" \ - "${chan}" && return 0 - fi - fi - i=$((${i} + 1)) - done - - return 1 -} - -iwconfig_defaults() -{ - local x= - for x in txpower rate rts frag; do - iwconfig "${IFACE}" "${x}" auto 2>/dev/null - done - - # Release the AP forced - # Must do ap and then ssid otherwise scanning borks - iwconfig "${IFACE}" ap off 2>/dev/null - iwconfig "${IFACE}" essid off 2>/dev/null -} - -iwconfig_configure() -{ - local x= APS= - eval SSID=\$ssid_${IFVAR} - - # Support old variable - [ -z "${SSID}" ] && eval SSID=\$essid_${IFVAR} - - # Setup ad-hoc mode? - eval x=\$mode_${IFVAR} - x=${x:-managed} - if [ "${x}" = "ad-hoc" -o "${x}" = "master" ]; then - iwconfig_setup_specific "${x}" - return $? - fi - - if [ "${x}" != "managed" -a "${x}" != "auto" ]; then - eerror "Only managed, ad-hoc, master and auto modes are supported" - return 1 - fi - - # Has an SSID been forced? - if [ -n "${SSID}" ]; then - iwconfig_set_mode "${x}" - iwconfig_associate && return 0 - [ "${SSID}" = "any" ] && iwconfig_force_preferred && return 0 - - eval SSID=\$adhoc_ssid_${IFVAR} - if [ -n "${SSID}" ]; then - iwconfig_setup_specific ad-hoc - return $? - fi - return 1 - fi - - eval x=\$preferred_aps_${IFVAR} - [ -n "${x}" ] && preferred_aps=${x} - - eval x=\$blacklist_aps_${IFVAR} - [ -n "${x}" ] && blacklist_aps=${x} - - eval x=\$associate_order_${IFVAR} - [ -n "${x}" ] && associate_order=${x} - associate_order=${associate_order:-any} - - if [ "${associate_order}" = "forcepreferredonly" ]; then - iwconfig_force_preferred && return 0 - else - iwconfig_scan || return 1 - iwconfig_connect_preferred && return 0 - [ "${associate_order}" = "forcepreferred" ] || \ - [ "${associate_order}" = "forceany" ] && \ - iwconfig_force_preferred && return 0 - [ "${associate_order}" = "any" ] || \ - [ "${associate_order}" = "forceany" ] && \ - iwconfig_connect_not_preferred && return 0 - fi - - e="associate with" - [ -z "${MAC_0}" ] && e="find" - [ "${preferred_aps}" = "force" ] || \ - [ "${preferred_aps}" = "forceonly" ] && \ - e="force" - e="Couldn't ${e} any access points on ${IFACE}" - - eval SSID=\$adhoc_ssid_${IFVAR} - if [ -n "${SSID}" ]; then - ewarn "${e}" - iwconfig_setup_specific ad-hoc - return $? - fi - - eerror "${e}" - return 1 -} - -iwconfig_pre_start() -{ - # We don't configure wireless if we're being called from - # the background - yesno ${IN_BACKGROUND} && return 0 - - service_set_value "SSID" "" - _exists || return 0 - - if ! _is_wireless; then - veinfo "Wireless extensions not found for ${IFACE}" - return 0 - fi - - # Warn about old file - we want to punt it really - if [ -e /etc/conf.d/wireless ]; then - ewarn "/etc/conf.d/wireless is deprecated" - ewarn "Please put all settings into /etc/conf.d/net" - . /etc/conf.d/wireless - fi - - # Store the fact that tx-power was off so we default to a longer - # wait if our scan returns nothing - LC_ALL=C iwconfig "${IFACE}" | sed -e '1d' | grep -q "Tx-Power=off" - local txpowerwasoff=$? - - iwconfig_defaults - iwconfig_user_config - - # Set the base metric to be 2000 - metric=2000 - - # Check for rf_kill - only ipw supports this at present, but other - # cards may in the future. - if [ -e /sys/class/net/"${IFACE}"/device/rf_kill ]; then - if [ $(cat /sys/class/net/"${IFACE}"/device/rf_kill) != "0" ]; then - eerror "Wireless radio has been killed for interface ${IFACE}" - return 1 - fi - fi - - einfo "Configuring wireless network for ${IFACE}" - - # Are we a proper IEEE device? - # Most devices reutrn IEEE 802.11b/g - but intel cards return IEEE - # in lower case and RA cards return RAPCI or similar - # which really sucks :( - # For the time being, we will test prism54 not loading firmware - # which reports NOT READY! - x="$(iwconfig_get_type)" - if [ "${x}" = "NOT READY!" ]; then - eerror "Looks like there was a probem loading the firmware for ${IFACE}" - return 1 - fi - - if iwconfig_configure; then - service_set_value "SSID" "${SSID}" - return 0 - fi - - eerror "Failed to configure wireless for ${IFACE}" - iwconfig_defaults - iwconfig "${IFACE}" txpower off 2>/dev/null - unset SSID SSIDVAR - _down - return 1 -} - -iwconfig_post_stop() -{ - yesno ${IN_BACKGROUND} && return 0 - _exists || return 0 - iwconfig_defaults - iwconfig "${IFACE}" txpower off 2>/dev/null -} |