37 lines
884 B
Bash
Executable File
37 lines
884 B
Bash
Executable File
#!/bin/bash
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function helpexit() {
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echo "Remove hosts from ~/.ssh/known_hosts"
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echo "-f no questions."
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exit
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}
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for (( i=1; i<=$#; i++ )); do
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[[ "${!i}" = "--help" ]] && helpexit
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[[ "${!i}" = "-h" ]] && helpexit
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[[ "${!i}" = "-f" ]] && { FORCE=1; continue; }
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HOST="${!i}"
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done
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[[ -z "$HOST" ]] && helpexit
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REALHOST=$( ssh -G "$HOST" 2> /dev/null | awk '/^hostname / { print $2 }' )
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[[ -z "$REALHOST" ]] && REALHOST="$HOST"
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IP=$( getent hosts "$REALHOST" | awk '{ print $1 }' )
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[[ "$FORCE" -ne 1 ]] && {
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echo "Sure to remove ${REALHOST} (IP: ${IP}) from known_hosts? [y/N]"
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read resp
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} || {
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resp=y
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}
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[[ "$resp" = "y" ]] && {
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echo ssh-keygen -R "$REALHOST"
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ssh-keygen -R "$REALHOST"
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[[ -n "$IP" ]] && {
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echo ssh-keygen -R "$IP"
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ssh-keygen -R "$IP"
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}
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}
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