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-rw-r--r--src/wireless_utils141
1 files changed, 0 insertions, 141 deletions
diff --git a/src/wireless_utils b/src/wireless_utils
deleted file mode 100644
index d27c43b..0000000
--- a/src/wireless_utils
+++ /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: