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https://github.com/albfan/miraclecast.git
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f5fb475343
Avoid kill-wpa.sh to exit script when sourced and there is no wpa_supplicant connection Avoid false positives on wpa_supplicant detection
125 lines
2.4 KiB
Bash
Executable file
125 lines
2.4 KiB
Bash
Executable file
#http://lxr.linux.no/linux+v3.0/include/linux/if_arp.h#L67
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ARPHRD_LOOPBACK=772
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#
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# Find all interfaces except loopback one
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#
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function find_choosable_networknames {
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for i in $( ls /sys/class/net )
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do
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if [ $( cat /sys/class/net/$i/type ) != $ARPHRD_LOOPBACK ]
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then
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echo $i
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fi
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done
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}
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#
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# find wireless interfaces
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#
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function find_wireless_network_interfaces {
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for i in $( find_choosable_networknames )
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do
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if [ -d /sys/class/net/$i/wireless ]
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then
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echo $i
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fi
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done
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}
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#
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# test if interface is connected
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#
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function is_interface_connected {
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test x$( cat /sys/class/net/$1/carrier 2>/dev/null) = x1
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}
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#
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# find wireless connected interfaces
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#
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function find_wireless_connected_network_interfaces {
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for i in $( find_wireless_network_interfaces )
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do
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if is_interface_connected $i
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then
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echo $i
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fi
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done
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}
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#
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# find physical for interface if exists
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#
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function find_physical_for_network_interface {
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PHY_INDEX=$(iw dev $1 info | grep wiphy | awk '{print $2}')
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if [ -n $PHY_INDEX ]
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then
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echo phy$PHY_INDEX
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fi
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}
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#
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# Check interface for P2P capabilities
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#
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function search_p2p_capabilities {
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WI_DEVICE=$1
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PHY_DEVICE=$(find_physical_for_network_interface $WI_DEVICE)
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if iw phy $PHY_DEVICE info | grep -Pzo "(?s)Supported interface modes.*Supported commands" | grep "P2P" &> /dev/null
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then
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echo $WI_DEVICE supports P2P
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else
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echo Sorry, $WI_DEVICE do not support P2P
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exit 1
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fi
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}
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#
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# show wpa_supplicant command
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#
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function show_wpa_supplicant_process {
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ps -ef | grep "wpa_supplican[t] "
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}
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#
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# show wpa_supplicant command
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#
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function show_wpa_supplicant_command {
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show_wpa_supplicant_process | awk '{print substr($0, index($0,$8))}'
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}
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#
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# find wpa_supplicant pid
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#
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function find_wpa_supplicant_pid {
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show_wpa_supplicant_process | awk '{print $2}'
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}
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#
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# checking if distro is ubuntu
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#
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function check_ubuntu_distro {
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cat /proc/version | grep -i ubuntu
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}
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#
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# ubuntu manager restarts automatically wpa_supplicant
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#
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function kill_ubuntu_network_manager {
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if check_ubuntu_distro
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then
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echo stopping NetworkManager
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sudo service NetworkManager stop
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fi
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}
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#
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# start ubuntu manager
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#
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function start_ubuntu_network_manager {
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if check_ubuntu_distro
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then
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echo starting NetworkManager
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sudo service NetworkManager start
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fi
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}
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