First functional seq for ssh management
- Installing, Authorization key generation, Authorization key sending, Sending command list Keys are generated without user input (4096,rsa,comment: hostname,no passphrase,default path)
This commit is contained in:
103
seqs/ssh.sh
103
seqs/ssh.sh
@@ -1,28 +1,54 @@
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#!/bin/bash
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toolName="ssh"
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toolIdentity="~/.ssh/id_rsa"
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toolIdentity=~/.ssh/id_rsa
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aList=""
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aHost=""
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# default ssh port
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aPort="22"
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step_1_info() { echo "Install $toolName"; }
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step_1_alias() { ALIAS="install"; }
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step_1() {
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exe apt update
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exe apt install ssh
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}
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step_3_info() { echo "Create $toolName authentication keys"; }
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step_3_alias() { ALIAS="create"; }
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step_3() {
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exep "ssh-keygen -l -f $toolIdentity 2>>/dev/null"
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if [ $? -ne 0 ]; then
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saveReturn 1
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else
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saveReturn 1
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if [ $? -eq 0 ]; then
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echo " [I] Using key found at $toolIdentity."
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return 0
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fi
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endReturn -f "Identity found. Skipping creation"
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echo "Creating..."
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exe ssh-keygen -b 4096 -t rsa -C "$(hostname)" -N "" -f $(realpath $toolIdentity)
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}
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step_10_info() { echo "Update remote(s) [CMDLIST] <USER:HOST>"; }
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step_10_alias() { ALIAS="send"; }
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step_5_info() { echo "Send key to remote host <USER@HOST> [PORT]"; }
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step_5_alias() { ALIAS="sendkey"; }
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step_5() {
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local sshPort=22
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if [ -z "$2" ] || [ "$2" == "" ] ; then
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echo " [E] Host not provided."
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return 1
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fi
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exep "ssh-keygen -l -f $toolIdentity 2>>/dev/null"
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saveReturn $?
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endReturn -f "Key $(realpath $toolIdentity) not found.\n Create one first."
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if [ ! -z "$3" ] && [ "$3" != "" ] ; then
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sshPort=$3
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fi
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exe ssh-copy-id -p $sshPort $2
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}
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step_10_info() { echo "Send command(ssh)/file(scp) list to remote(s) <CMDLIST> [USER:HOST]"; }
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step_10_alias() { ALIAS="sendlist"; }
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step_10() {
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aList=$2
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aHost=$3
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@@ -32,14 +58,14 @@ step_10() {
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fi
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parseList $aList
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saveReturn $?
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endReturn
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endReturn -f "Parsing error"
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}
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# parseList [CMDFILE]
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# Parse a list to transfer files and/or execute commands on one or different hosts
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#
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# List format
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# [COMMAND h,f,u]|[STRING]|[STRING2]
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# <COMMAND h,f,u>|<STRING>|[STRING2]
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# COMMAND h|H|host - Change user@host:port for the following ssh/scp commands
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# f|F|file - Source- and destination file path combination
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# u|U|update - Execute command on the remote host
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@@ -53,6 +79,8 @@ step_10() {
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# u - not used
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#
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parseList() {
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local errorMsg=""
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if [ -z "$1" ] || [ ! -f "$1" ]; then
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if [ -z "$1" ] || [ "$1" == "" ] ; then
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echo " [E] No Command list found"
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@@ -71,10 +99,20 @@ parseList() {
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fi
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return 1
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fi
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echo " [I] Parsing $1 ..."
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while IFS='|' read -r lcmd lsrc ldst; do
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echo " [I] Parsing $(realpath $1) ..."
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local line=1
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# Working loop without ssh "stealing standard input" by
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# https://unix.stackexchange.com/questions/24260/reading-lines-from-a-file-with-bash-for-vs-while
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while IFS='|' read -r lcmd lsrc ldst <&3; do
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case "$lcmd" in
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h|H|host)
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if [ -z "$lsrc" ] || [ "$lsrc" == "" ]; then
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errorMsg="No host found"
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#Prevent unwanted actions if parsing is continued
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aHost=""
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saveReturn 1
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else
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aHost="$lsrc"
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if [ ! -z "$ldst" ] || [ "$ldst" != "" ]; then
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aPort=$ldst
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@@ -83,38 +121,57 @@ parseList() {
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# after previous change
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aPort=22
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fi
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echo Host update: ${aHost}:$aPort
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echo Target host: ${aHost}:$aPort
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fi
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;;
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f|F|file)
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if [ -z "$aHost" ] || [ "$aHost" == "" ]; then
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echo " [E] No host found"
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return 1
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errorMsg="No host found"
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saveReturn 1
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else
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exe scp -p $aPort $lsrc ${aHost}:$ldst
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saveReturn $?
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errorMsg="scp to $aHost failed with $?"
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fi
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echo "scp -p $aPort $lsrc ${aHost}:$ldst"
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;;
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u|U|update)
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if [ -z "$aHost" ] || [ "$aHost" == "" ]; then
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echo " [E] No host found"
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return 1
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errorMsg="No host found"
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saveReturn 1
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else
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exe ssh -p $aPort $aHost $lsrc
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saveReturn $?
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errorMsg="ssh to $aHost failed with $?"
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fi
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echo "ssh -p $aPort $aHost $lsrc"
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;;
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*)
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# Making comments possible
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((line++))
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continue
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;;
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esac
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done < "$1"
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getReturn
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if [ $? -ne 0 ] ; then
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echo -e " [E] $line:$errorMsg"
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if [ $QUIET -eq 0 ] ; then
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endReturn -f "Stop on first error"
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fi
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fi
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((line++))
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done 3<"$1"
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echo " [I] Parsed $((--line)) lines"
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}
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listFileTemplate="# following files are send to host given on command line
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f|/sourcedir/sourcefile|/destdir/destfile
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f|/sourcedir/sourcefile|/destdir/destfile
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# host and port are changed for the following files
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# host and port are changed for the following lines
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h|user@host2|port2
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f|/sourcedir/sourcefile|/destdir/destfile
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f|/sourcedir/sourcefile|/destdir/destfile
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u|/destdir/updatescript.sh
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# host is changed and port set to default 22 for the following files
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# host is changed and port set to default 22 for the following lines
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h|user@host
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f|/sourcedir/sourcefile|/destdir/destfile
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f|/sourcedir/sourcefile|/destdir/destfile
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