CalvinBackup/thc-tips-tricks-hacks-cheat-sheet
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awk

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This commit is contained in:
SkyperTHC
2023-12-10 11:23:54 +00:00
parent 75e7299630
commit ac9dc8d570
2 changed files with 67 additions and 2 deletions
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66
tools/awk_netstat.sh Executable file
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@@ -0,0 +1,66 @@
#! /usr/bin/env sh
#
# AWK 'netstat' if netstat or lsof is not available.
#
# Fine script by staaldraad
# https://gist.github.com/staaldraad/4c4c80800ce15b6bef1c1186eaa8da9f
# Improved and extended by various people
# THC-2023
# strtonum() is only available in GNU awk. Thus define out our hextodec() to make it portable
# All in one
echo "Proto Local Address Foreign Address State"
awk 'BEGIN{states["01"]="ESTABLISHED"
states["02"]="SYN_SENT"
states["03"]="SYN_RECV"
states["04"]="FIN_WAIT1"
states["05"]="FIN_WAIT2"
states["06"]="TIME_WAIT"
states["07"]="CLOSE"
states["08"]="CLOSE_WAIT"
states["09"]="LAST_ACK"
states["0A"]="LISTEN"
states["0B"]="CLOSING"
states["0C"]="NEW_SYN_RECV"
}
function hextodec(str,ret,n,i,k,c){
ret = 0
n = length(str)
for (i = 1; i <= n; i++) {
c = tolower(substr(str, i, 1))
k = index("123456789abcdef", c)
ret = ret * 16 + k
}
return ret
}
function getIP(str,ret){
ret=hextodec(substr(str,index(str,":")-2,2));
for (i=5; i>0; i-=2) {
ret = ret"."hextodec(substr(str,i,2))
}
ret = ret":"hextodec(substr(str,index(str,":")+1,4))
return ret
}
NR > 1 {{local=getIP($2);remote=getIP($3)}{printf "tcp % -23s % -23s %s\n", local, remote, states[$4]}}' /proc/net/tcp
echo "Kernel IP routing table"
echo "Destination Gateway Genmask Iface"
awk 'function hextodec(str,ret,n,i,k,c){
ret = 0
n = length(str)
for (i = 1; i <= n; i++) {
c = tolower(substr(str, i, 1))
k = index("123456789abcdef", c)
ret = ret * 16 + k
}
return ret
}
function getip(str,ret){
ret=hextodec(substr(str,length(str)-1,2));
for (i=5; i>0; i-=2) {
ret = ret"."hextodec(substr(str,i,2))
}
return ret
}
NR > 1 {{dst=getip($2);gw=getip($3);mask=getip($8)}{printf "% -15s % -15s % -15s %s\n", dst, gw, mask, $1}}' /proc/net/route

3
tools/whatserver.sh
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@@ -30,10 +30,9 @@ find . -name 'whatserver*.log' | while read fn; do
origcn=" [${x:7:40}]"
x="DOMAIN $(idn2 -d "${x:7}" 2>/dev/null)"
}
echo "$as|${geoip:-N/A}|${ip:-N/A}|${x:0:48}${origcn}"
echo "$as|${geoip:-N/A}|${ip:-N/A}|${x:7:64}${origcn}"
done
done | anew | column -t -s'|' -o' | '
COMMENT
# NOCOLOR=1 # un-comment this line to disable colors