mirror of
https://github.com/byReqz/conn.git
synced 2024-10-31 16:53:14 +00:00
230 lines
9.6 KiB
Bash
Executable File
230 lines
9.6 KiB
Bash
Executable File
#!/bin/bash
|
|
# license: gpl-3
|
|
|
|
show_help="conn: a quick and dirty server availability check
|
|
|
|
usage:
|
|
"$0" <args> [IP(s)/hostname(s)]
|
|
|
|
arguments:
|
|
-h / --help show help page (this)
|
|
-6 / --force-ipv6 force ipv6 portscanning (also forces portscanning)
|
|
-4 / --force-ipv4 force ipv4 portscanning (also forces portscanning)
|
|
-y / --yes portscan without asking
|
|
-n / --no dont portscan
|
|
-w / --wait wait for active connection
|
|
-u / --update update the script
|
|
-f / --fast disable os check
|
|
-s / --simple simplify output"
|
|
|
|
function check_update {
|
|
if [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/hash) != $(md5sum $0 | cut -c -32) ]] && [[ -z $1 ]] || [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/hash) != $(md5sum $0 | cut -c -32) ]] && [[ $1 != "--update" ]] || [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/hash) != $(md5sum $0 | cut -c -32) ]] && [[ $1 != "-u" ]];then
|
|
echo "#############################################"
|
|
echo -e "\e[4mnote: newer version detected, use -u to update\e[0m"
|
|
echo "#############################################"
|
|
echo ""
|
|
fi
|
|
}
|
|
|
|
function run_update {
|
|
if [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/hash) != $(md5sum $0 | cut -c -32) ]];then
|
|
wget -O $0 --quiet "https://raw.githubusercontent.com/byReqz/conn/main/conn.sh"
|
|
echo "#############################################"
|
|
echo -e "\e[4mscript has been updated to the newest version\e[0m"
|
|
echo "#############################################"
|
|
exit
|
|
elif [[ $(curl -s https://raw.githubusercontent.com/byReqz/conn/main/hash) = $(md5sum $0 | cut -c -32) ]];then
|
|
echo "#############################################"
|
|
echo "no newer version found"
|
|
echo "#############################################"
|
|
exit
|
|
fi
|
|
}
|
|
|
|
function prepare {
|
|
check_update
|
|
get_args "$@"
|
|
set_argvars $args
|
|
validate $input
|
|
}
|
|
|
|
function get_args {
|
|
input=$(echo " $@")
|
|
args=$(echo "$input" | grep -o -e "-h" -e "--help" -e "-6" -e "--force-ipv6" -e "-4" -e "--force-ipv4" -e "-y" -e "--yes" -e "-n" -e "--no" -e "-w" -e "--wait" -e "-u" -e "--update" -e "-f" -e "--fast" -e "-s" -e "--simple" | xargs)
|
|
for arg in $args; do
|
|
input=$(echo "$input" | sed "s/$arg//g")
|
|
done
|
|
|
|
#quick fix to prevent nslookups interactive mode being triggered by invalid arguments
|
|
#some other places in the code have also gotten a leading space to prevent similar issues
|
|
input=$(echo "$input" | tr -d "-")
|
|
}
|
|
|
|
function set_argvars {
|
|
if [[ $@ =~ -6 ]] || [[ $@ =~ --force-ipv6 ]];then
|
|
only="-6"
|
|
fi
|
|
if [[ $@ =~ -4 ]] || [[ $@ =~ --force-ipv4 ]];then
|
|
only="-4"
|
|
fi
|
|
if [[ $@ =~ -y ]] || [[ $@ =~ --yes ]];then
|
|
doportscan=true
|
|
fi
|
|
if [[ $@ =~ -n ]] || [[ $@ =~ --no ]];then
|
|
doportscan=false
|
|
fi
|
|
if [[ $@ =~ -s ]] || [[ $@ =~ --simple ]];then
|
|
simpleoutput=true
|
|
fi
|
|
if [[ $@ =~ -w ]] || [[ $@ =~ --wait ]];then
|
|
waitcheck=true
|
|
fi
|
|
if [[ $@ =~ -f ]] || [[ $@ =~ --fast ]];then
|
|
oscheck=false
|
|
fi
|
|
}
|
|
|
|
function validate {
|
|
for arg in $@; do
|
|
if ip route show " $arg" 2&> /dev/null;then
|
|
hosts="$hosts $arg"
|
|
elif nslookup "$arg" > /dev/null;then
|
|
hosts="$hosts $arg"
|
|
else
|
|
echo "invalid input: $arg"
|
|
fi
|
|
done
|
|
}
|
|
|
|
function main {
|
|
if [[ $simpleoutput == true ]] && [[ -n $hosts ]];then
|
|
echo "-------------------Availability----------------------"
|
|
fping $only -e $@
|
|
if [[ $oscheck != "false" ]];then
|
|
echo ""
|
|
for host in $@;do
|
|
linuxping=$(nping $only -c1 -p22,222 "$host")
|
|
if [[ -n $(echo "$linuxping" | grep -e "Successful connections: 1") ]];then
|
|
echo "$host seems to be booted into a Linux system"
|
|
elif [[ -n $(echo "$linuxping" | grep -e "Successful connections: 2") ]];then
|
|
echo "$host seems to be booted into the rescue system"
|
|
fi
|
|
winping135=$(nping $only -c1 -p135 "$host")
|
|
winping3389=$(nping $only -c1 -p3389 "$host")
|
|
if [[ -n $(echo "$winping135" | grep -e "Successful connections: 1") ]] && [[ -n $(echo "$winping3389" | grep -e "Successful connections: 1") ]];then
|
|
echo "$host seems to be booted into Windows"
|
|
elif [[ -z $(fping $only -a $host) ]] && [[ -n $(echo "$winping3389" | grep -e "Successful connections: 1") ]];then
|
|
echo "$host seems to be booted into (desktop) Windows"
|
|
fi
|
|
done
|
|
fi
|
|
echo "-----------------------------------------------------"
|
|
else
|
|
for host in $hosts;do
|
|
if [[ $waitcheck == true ]];then
|
|
echo "-w used, waiting for active connection"
|
|
echo "checking connection status for $host"
|
|
fping=$(fping $only -a $host)
|
|
if [[ ! $oscheck == false ]];then
|
|
p135=$(nping $only -q1 -c1 -p135 $host)
|
|
p3389=$(nping $only -q1 -c1 -p3389 $host)
|
|
fi
|
|
if [[ $fping != "$host" ]] && [[ -n $(echo $p135 | grep "Successful connections: 1") ]] || [[ $fping != "$host" ]] && [[ -n $(echo $p3389 | grep "Successful connections: 1") ]];then
|
|
echo "-------------------Availability----------------------"
|
|
echo "note: this seems to be a windows machine which does not respond to ICMP"
|
|
notify-send "$host is now reachable" "and seems to be a windows machine" -u normal -t 30000 -a conn
|
|
echo "-----------------------------------------------------"
|
|
elif [[ $fping = "$host" ]] && [[ -n $(echo $p135 | grep "Successful connections: 1") ]];then
|
|
echo "-------------------Availability----------------------"
|
|
echo "note: this seems to be a windows machine which does respond to ICMP"
|
|
fping -e $host
|
|
notify-send "$host is now reachable" "and seems to be a windows machine" -u normal -t 30000 -a conn
|
|
echo "-----------------------------------------------------"
|
|
else
|
|
while [[ "$(fping $only -m -q -u $host)" == "$host" ]]; do :
|
|
done
|
|
echo "-------------------Availability----------------------"
|
|
fping -e $host
|
|
if [[ ! $oscheck == false ]];then
|
|
rescue=$(nping $only -q1 -c1 -p22,222 $host)
|
|
fi
|
|
if [[ -n $(echo $rescue | grep "Successful connections: 1") ]];then
|
|
echo "note: this seems to be a linux machine"
|
|
notify-send "$host is now reachable" "and seems to be in a linux system" -u normal -t 30000 -a conn
|
|
elif [[ -n $(echo $rescue | grep "Successful connections: 2") ]];then
|
|
echo "note: this machine seems to be in the rescue system"
|
|
notify-send "$host is now reachable" "and seems to be in the rescue system" -u normal -t 30000 -a conn
|
|
elif [[ -n $(echo $p135 | grep "Successful connections: 1") ]] || [[ -n $(echo $p3389 | grep "Successful connections: 1") ]];then
|
|
echo "note: this machine seems to be booted into windows"
|
|
notify-send "$host is now reachable" "and seems to be booted into windows" -u normal -t 30000 -a conn
|
|
else
|
|
notify-send "$host is now reachable" -u normal -t 30000 -a conn
|
|
fi
|
|
echo "-----------------------------------------------------"
|
|
fi
|
|
else
|
|
echo "checking connection status for $host"
|
|
fping=$(fping $only -a $host)
|
|
if [[ ! $oscheck == false ]];then
|
|
p135=$(nping $only -q1 -c1 -p135 $host)
|
|
p3389=$(nping $only -q1 -c1 -p3389 $host)
|
|
fi
|
|
if [[ $fping != "$host" ]] && [[ -n $(echo $p135 | grep "Successful connections: 1") ]] || [[ $fping != "$host" ]] && [[ -n $(echo $p3389 | grep "Successful connections: 1") ]];then
|
|
echo "-------------------Availability----------------------"
|
|
echo "note: this seems to be a windows machine which does not respond to ICMP"
|
|
echo "-----------------------------------------------------"
|
|
elif [[ $fping != "$host" ]] && [[ -z $(echo $p135 | grep "Successful connections: 1") ]] || [[ $fping != "$host" ]] && [[ -z $(echo $p3389 | grep "Successful connections: 1") ]];then
|
|
echo "-------------------Availability----------------------"
|
|
echo "$host is not reachable"
|
|
echo "-----------------------------------------------------"
|
|
else
|
|
echo "-------------------Availability----------------------"
|
|
fping $only -e $host
|
|
if [[ ! $oscheck == false ]];then
|
|
rescue=$(nping $only -q1 -c1 -p22,222 $host)
|
|
if [[ -n $(echo $rescue | grep "Successful connections: 1") ]];then
|
|
echo "note: this seems to be a linux machine"
|
|
elif [[ -n $(echo $rescue | grep "Successful connections: 2") ]];then
|
|
echo "note: this machine seems to be in the rescue system"
|
|
elif [[ -n $(echo $p135 | grep "Successful connections: 1") ]] || [[ -n $(echo $p3389 | grep "Successful connections: 1") ]];then
|
|
echo "note: this machine seems to be booted into windows"
|
|
fi
|
|
fi
|
|
echo "-----------------------------------------------------"
|
|
fi
|
|
fi
|
|
if [[ ! $doportscan == false ]];then
|
|
if [[ $doportscan == true ]];then
|
|
portscan=y
|
|
else
|
|
echo "portscan? (y/n) (default: y)"
|
|
read portscan
|
|
fi
|
|
if [[ "$portscan" = "y" ]] || [[ -z "$portscan" ]]; then
|
|
echo "-------------------Portscan---------------------"
|
|
nmap $only --reason -Pn $host
|
|
echo ""
|
|
fping $only -c 4 $host
|
|
echo "------------------------------------------------"
|
|
echo ""
|
|
else
|
|
echo ""
|
|
fi
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
|
|
if [[ -n $1 ]];then
|
|
prepare "$@"
|
|
main "$hosts"
|
|
elif [[ "$1" == "-u" ]];then
|
|
run_update
|
|
elif [[ "$1" == "-h" ]];then
|
|
check_update
|
|
echo "$show_help"
|
|
else
|
|
check_update
|
|
echo "$show_help"
|
|
fi
|