253 lines
6 KiB
Bash
253 lines
6 KiB
Bash
### list of functions to source ###
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randpw()
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{
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openssl rand -base64 12
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}
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cipher_check()
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{
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nmap --script ssl-enum-ciphers "$1"
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}
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check_gzip()
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{
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curl -I -H 'Accept-Encoding: gzip,deflate' "$1" 2> /dev/null | grep --color 'Content-Encoding' && 'echo gzip enabled' || echo 'gzip not enabled'
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}
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ns()
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{
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dig +short "$1"
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}
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mx()
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{
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dig +short MX "$1"
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}
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open_urls()
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{
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xargs -a "$1" firefox -new-tab "$line"
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}
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check_open_resolver()
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{
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nmap -sU -p 53 -sV -P0 --script "dns-recursion" "$1"
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}
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fix_spaces()
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{
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for i in $1/*
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do mv -v "$i" "$(echo $i | sed 's/ /_/g')"
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done
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}
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sqrt()
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{
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[ $# -ne 1 ] &&
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{
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echo 'Usage: sqrt number'
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exit 1
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} ||
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echo -e "sqrt($1)\nquit\n" | bc -q -i | head -2 | tail -1
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}
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cx()
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{
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chmod +x $1
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}
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ssl()
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{
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openssl s_client -connect $1:443
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}
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mem_usage()
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{
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ps aux |grep -v USER|awk '{ cpu[$1]+=$3; rss[$1]+=$6; sum+=$6} END { for (user in cpu) printf("%-11s Memory: %9.1f MiB CPU%%: %5.1f\n", user, rss[user]/1024, cpu[user]); } END {printf("Total Memory: %15.1f MiB", sum/1024);}'|sort -n -k3;echo;free -m|egrep -v 'Mem|Swap'
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}
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# this will grab swap usage and each program using swap and total it.
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swap_sum()
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{
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for dir in $(find /proc/ -maxdepth 1 -type d | egrep "^/proc/[0-9]") ; do pid=$(echo $dir | cut -d / -f 3);prog=$(ps -p $pid -o comm --no-headers|awk '{print $1}'); for swap in $(grep Swap $dir/smaps 2>/dev/null| awk '{print $2}');do let sum=$sum+$swap; done; echo "$prog $sum "|grep -vw 0;sum=0;done|awk '{ swap[$1]+=$2; sum+=$2} END { for (prog in swap) printf("%-15s Swap: %10.1f MiB\n", prog, swap[prog]/1024); } END {printf("Total Swap: %20.1f MiB", sum/1024);}'|sort -n -k3
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}
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# Extra many types of compressed packages
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# Credit: http://nparikh.org/notes/zshrc.txt
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extract()
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{
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if [ -f "$1" ]; then
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case "$1" in
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*.tar.bz2) tar -jxvf "$1" ;;
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*.tar.gz) tar -zxvf "$1" ;;
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*.bz2) bunzip2 "$1" ;;
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*.dmg) hdiutil mount "$1" ;;
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*.gz) gunzip "$1" ;;
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*.tar) tar -xvf "$1" ;;
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*.tbz2) tar -jxvf "$1" ;;
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*.tgz) tar -zxvf "$1" ;;
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*.zip) unzip "$1" ;;
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*.ZIP) unzip "$1" ;;
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*.pax) cat "$1" | pax -r ;;
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*.pax.Z) uncompress "$1" --stdout | pax -r ;;
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*.Z) uncompress "$1" ;;
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*) echo "'$1' cannot be extracted/mounted via extract()" ;;
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esac
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else
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echo "'$1' is not a valid file to extract"
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fi
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}
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#global_python()
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#{
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# export PATH=$PATH
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#
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#}
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user_python()
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{
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[[ -d "$HOME/install/python" ]] && export PATH="$PATH:/install/python/bin"
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}
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add_underscore()
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{
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sed -e s'/ /_/g' #single line to rename from pipe
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}
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rot13()
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{
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if [ -r $1 ]; then cat $1 | tr '[N-ZA-Mn-za-m5-90-4]' '[A-Za-z0-9]'; else echo $* | tr '[N-ZA-Mn-za-m5-90-4]' '[A-Za-z0-9]'; fi
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}
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histupdate()
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{
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history -a; history -n
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}
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mostusedcmds()
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{
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history | awk '{ print $2}' | sort | uniq -c | sort -rn | head
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}
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on()
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{
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user="$1"
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if who | grep "^$user " > /dev/null; then
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echo "$user is logged in"
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fi
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}
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multiplication_table()
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{
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for y in {1..10}; do
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for x in {1..10}; do echo -n "| $x*$y=$((y*x)) ";
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done; echo; done| column -t
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}
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cve_lookup()
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{
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[[ -z "$1" ]] && echo "Usage: $0 CVE-YYYY-NNNN"
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curl -s http://www.cvedetails.com/cve/$1/ | grep 'meta name="description" content="' | awk -F\" '{print $4}'
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}
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swap_used()
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{
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SUM=0
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OVERALL=0
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for DIR in `find /proc/ -maxdepth 1 -type d -regex "^/proc/[0-9]+"`
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do
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PID=`echo $DIR | cut -d / -f 3`
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PROGNAME=`ps -p $PID -o comm --no-headers`
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for SWAP in `grep Swap $DIR/smaps 2>/dev/null | awk '{ print $2 }'`
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do
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let SUM=$SUM+$SWAP
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done
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if (( $SUM > 0 )); then
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echo "PID=$PID swapped $SUM KB ($PROGNAME)"
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fi
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let OVERALL=$OVERALL+$SUM
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SUM=0
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done
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echo "Overall swap used: $OVERALL KB"
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}
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hddtemps()
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{
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for drive in $(ls /dev/sd[a-z]); do sudo hddtemp $drive; done
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}
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suptime()
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{
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local addr=${1:?Specify the remote IPv4 address}
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local port=${2:?Specify the remote port number}
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# convert the provided address to hex format
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local hex_addr=$(python -c "import socket, struct; print(hex(struct.unpack('<L', socket.inet_aton('$addr'))[0])[2:10].upper().zfill(8))")
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local hex_port=$(python -c "print(hex($port)[2:].upper().zfill(4))")
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# get the PID of the owner process
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local pid=$(netstat -ntp 2>/dev/null | awk '$6 == "ESTABLISHED" && $5 == "'$addr:$port'"{sub("/.*", "", $7); print $7}')
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[ -z "$pid" ] && { echo 'Address does not match' 2>&1; return 1; }
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# get the inode of the socket
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local inode=$(awk '$4 == "01" && $3 == "'$hex_addr:$hex_port'" {print $10}' /proc/net/tcp)
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[ -z "$inode" ] && { echo 'Cannot lookup the socket' 2>&1; return 1; }
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# query the inode status change time
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local timestamp=$(find /proc/$pid/fd -lname "socket:\[$inode\]" -printf %T@)
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[ -z "$timestamp" ] && { echo 'Cannot fetch the timestamp' 2>&1; return 1; }
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# compute the time difference
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LANG=C printf '%s (%.2fs ago)\n' "$(date -d @$timestamp)" $(bc <<<"$(date +%s.%N) - $timestamp")
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}
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tcp()
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{
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netstat -nap | egrep "^tcp6{0,1} " 2> /dev/null | tr "\t" " " \
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| sed 's/ */ /g;s/ $//g' \
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| egrep '^tcp6{0,1} [0-9]+ [0-9]+ [0.:]+:[0-9]+ [0.:]+:\* LISTEN ' \
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| sed 's/^tcp[6 ]*[0-9]* [0-9]* [0.:]*:\([0-9]*\) [0.:]*:\* LISTEN \(.*\)/"\2","tcp",\1/' \
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| sed 's#^"[0-9]*/#"#' | sort -t"," -k3n | uniq
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}
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udp()
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{
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netstat -nap | egrep "^udp6{0,1} " 2> /dev/null | tr "\t" " " \
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| sed 's/ */ /g;s/ $//g' \
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| egrep '^udp6{0,1} [0-9]+ [0-9]+ [0.:]+:[0-9]+ [0.:]+:\* ' \
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| sed 's/^udp[6 ]*[0-9]* [0-9]* [0.:]*:\([0-9]*\) [0.:]*:\* \(.*\)/"\2","udp",\1/' \
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| sed 's#^"[0-9]*/#"#' | sort -t"," -k3n | uniq
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}
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