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| -rw-r--r-- | src/wireless | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/src/wireless b/src/wireless deleted file mode 100644 index d27c43b..0000000 --- a/src/wireless +++ /dev/null @@ -1,141 +0,0 @@ -################################## -## -# /usr/lib/network/wireless_utils -## -################################## - -# Uses wireless_tools, to check for association to a network. -# wep_check interface [timeout] -wep_check() { - local INTERFACE="$1" TIMEOUT="${2:-15}" timeout=0 bssid - - while [[ "$timeout" -lt "$TIMEOUT" ]]; do - bssid=$(iwgetid "$INTERFACE" -ra) - [[ -n "$bssid" && "$bssid" != "00:00:00:00:00:00" ]] && return 0 - sleep 1 - let timeout++ - done - - report_fail "Couldn't associate with wireless network." - return 1 -} - -# Check if a particular network is within range -# find_essid interface essid connection (we treat ESSID as regexp when CONNECTION=wireless-dbus) -find_essid() { - local INTERFACE="$1" ESSID="$2" CONNECTION="$3" RETRIES=20 try=0 res scanned - while [[ "$try" -lt "$RETRIES" ]]; do - sleep 0.5 - let try++ - if [[ "$CONNECTION" == wireless-dbus ]]; then - # JP: ESSID is a regexp - found=$( - res=$(iwlist "$INTERFACE" scan 2>/dev/null) - [[ -z "$res" ]] && exit 1 - # if results were non-null, process them and exit 0 - echo "$res" | sed -nr 's/^\s+ESSID:"([^"]*)"$/\1/p' | egrep -xm1 "$ESSID" - ) - else - found=$( - res=$(iwlist "$INTERFACE" scan 2>/dev/null) - [[ -z "$res" ]] && exit 1 - # if results were non-null, process them and exit 0 - echo "$res" | sed -nr 's/^\s+ESSID:"([^"]*)"$/\1/p' | fgrep -xm1 "$ESSID" - ) - fi && { - scanned=1 - report_debug find_essid "\"$found\"" - # we only bother with at most 5 successful scans - if (( try < RETRIES-4 )); then try=$((RETRIES-4)); fi - } - if [[ -n "$found" ]]; then - echo "$found" # JP: echo literal ESSID - return 0 # network found - fi - done - if [[ "$scanned" -ne 1 ]]; then - report_debug find_essid "unable to scan" - fi - return 1 -} - -# Check if a particular network is within range -# find_ap interface ap -find_ap() { - local INTERFACE="$1" ap=$(echo "$2" | tr 'abcdef' 'ABCDEF') RETRIES=20 try=0 res scanned - while [[ "$try" -lt "$RETRIES" ]]; do - sleep 0.5 - let try++ - found=$( - res=$(iwlist "$INTERFACE" scan 2> /dev/null) - [[ -z "$res" ]] && exit 1 - # if results were non-null, process them and exit 0 - echo "$res" | sed -nr '/^\s+Cell .. - Address: ([[:xdigit:]:]+)$/ { s//\1/; N; s/(.*)\n\s+ESSID:"([^"]*)"$/\1\t\2/p }' \ - | egrep -m1 "^$ap\t" - ) && { - scanned=1 - report_debug find_ap "\"$found\"" - # we only bother with at most 5 successful scans - if (( try < RETRIES-4 )); then try=$((RETRIES-4)); fi - } - if [[ -n "$found" ]]; then - echo "$found" | cut -f2 # JP: echo literal ESSID - return 0 - fi - done - if [[ "$scanned" -ne 1 ]]; then - report_debug find_ap "unable to scan" - fi - return 1 -} - -# Return a filename containing a list of network APs and ESSIDs found (sorted by decreasing signal strength) -# list_networks interface -list_networks() { - local INTERFACE="$1" essids try=0 RETRIES=20 res scanned - # temp file used, as keeping ESSID's with spaces in their name in arrays - # is hard, obscure and kinda nasty. This is simpler and clearer. - - [[ -z "$INTERFACE" ]] && return 1 - essids=$(mktemp /tmp/essid.XXXXXXXX) - -# # James suggested using this, but it requires wpa_supplicant to be running -# wpa_cli -i "$INTERFACE" scan 2>/dev/null || { rm $essids; return 1; } -# sleep 0.5 -# wpa_cli -i "$INTERFACE" scan_results > $essids 2>/dev/null || { rm $essids; return 1; } - - { - while [[ "$try" -lt "$RETRIES" ]]; do - sleep 0.5 - let try++ - # iwlist "$INTERFACE" scan 2> /dev/null | fgrep "ESSID" | sed 's/.*ESSID:"\([^"]\+\)".*/\1/' > $essids - res=$(iwlist "$INTERFACE" scan 2> /dev/null) - [[ -z "$res" ]] && continue - scanned=1 - # we only bother with at most 5 successful scans - if (( try < RETRIES-4 )); then try=$((RETRIES-4)); fi - echo "$res" | sed -r '1d; $ { H; ba }; 2 { h; d }; /^\s+Cell /! { H; d }; :a; x; s/\n/ /g' - done - } \ - | sed -rne 's/.*Address: ([[:xdigit:]:]+).*ESSID:"([^"]*)".*Quality=([0-9]+).*/\1\t\3\t\1\t\2/p' \ - -e 's/.*Address: ([[:xdigit:]:]+).*Quality=([0-9]+).*ESSID:"([^"]*)".*/\1\t\2\t\1\t\3/p' \ - | sort -k1 -k2nr | uniq -w17 \ - | sort -k2nr \ - | cut -f3- > "$essids" - # 1. make tab-separated fields: ap, signal-strength, ap, essid (easiest way to use uniq and cut here requires ap twice) - # 2. eliminate duplicate aps (keeping strongest signal) - # 3. sort entire list by decreasing signal - # 4. then return tab-separated fields: ap, essid (ap needs to come first so that read can assume format is <word> <rest of line>) -# - # File of 0 length, ie. no ssid's. - if [[ ! -s $essids ]]; then - rm $essids - return 1 - fi - - echo $essids - return 0 -} - - -# vim: set ts=4 et sw=4 ft=sh: |