Created
November 23, 2011 16:59
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Quickly tells the Debian version running on a given host. Requires ssh server enabled.
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#!/bin/sh | |
# | |
# Tells the Debian version reading the OpenSSH banner | |
# Requires OpenSSH to be running and ssh port to be open. | |
# | |
# Usage: $0 <hostname> | |
# | |
# Cosimo, 23/11/2011 | |
HOST=$1 | |
if [ "x$HOST" = "x" ]; then | |
echo "Usage: $0 <hostname>" | |
fi | |
OPENSSH_BANNER=$(echo "\n" | nc ${HOST} 22 | head -1) | |
#echo "OPENSSH_BANNER=$OPENSSH_BANNER" | |
IS_SQUEEZE=$(echo $OPENSSH_BANNER | egrep '^SSH-.*OpenSSH_5.*Debian-6') | |
IS_LENNY=$(echo $OPENSSH_BANNER | egrep '^SSH-.*OpenSSH_5.*Debian-5') | |
IS_ETCH=$(echo $OPENSSH_BANNER | egrep '^SSH-.*OpenSSH_4.*Debian-9') | |
# SSH-2.0-OpenSSH_5.1p1 Debian-5 | |
# SSH-2.0-OpenSSH_4.3p2 Debian-9etch3 | |
# SSH-2.0-OpenSSH_5.5p1 Debian-6+squeeze1 | |
#echo "Squeeze: $IS_SQUEEZE" | |
#echo "Lenny: $IS_LENNY" | |
#echo "Etch: $IS_ETCH" | |
if [ "x$IS_SQUEEZE" != "x" ]; then | |
echo "$HOST is Debian 6.x (squeeze)" | |
exit 0 | |
fi | |
if [ "x$IS_LENNY" != "x" ]; then | |
echo "$HOST is Debian 5.x (lenny)" | |
exit 0 | |
fi | |
if [ "x$IS_ETCH" != "x" ]; then | |
echo "$HOST is Debian 4.x (etch)" | |
exit 0 | |
fi | |
echo "I don't know what $HOST is." | |
echo "Here's the openssh banner: '$OPENSSH_BANNER'" | |
exit 1 |
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