check ssh geoip

1 files changed, 60 insertions, 0 deletions

diff --git a/check_ssh_geoip.sh b/check_ssh_geoip.sh
new file mode 100755
index 0000000..05a77ac
--- /dev/null
+++ b/check_ssh_geoip.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+if [ x"${BASH_VERSINFO}" = x ]; then
+	echo "BASH_VERSINFO not found. Is \`/bin/bash\` a valid bash interpreter?"
+	exit 1
+fi
+if [ "${BASH_VERSINFO}" -lt 4 ]; then
+	echo "Bash version >= 4 required for declaring/using arrays/dicts."
+	exit 1
+fi
+
+export DESTHOST="host.lan"
+export DESTUSER="someuser"
+
+if [ x"$1" != x ]; then
+	DEST="$1"
+else
+	DEST="${DESTUSER}@${DESTHOST}"
+fi
+
+if [ x"$2" != x ]; then
+	LOGCMD="$2"
+else
+	LOGCMD="logread"
+fi
+
+if [ x"$3" != x ]; then
+	LOGREP="$3"
+else
+	LOGREP="dropbear"
+fi
+
+LINE="-------------------------"
+IFS=' ';
+OUT=$(ssh -o LogLevel=Error ${DEST} ${LOGCMD} | \
+	sed -ne 's/.*'"${LOGREP}"'.*\s\+\([0-9\.]\+\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\).*/\1/p' | \
+	uniq | tr '\n' ' ')
+declare -A ORIGINS
+for host in ${OUT}; do \
+	echo "${host}" | grep -qoE '(192.168.|10.10.|172.)'
+	[ $? -eq 0 ] && continue
+	echo "${LINE}"
+	echo "HOST: ${host}"
+	GEOIP=$(geoiplookup "${host}")
+	if [ x"${ORIGINS["${GEOIP}"]}" != x ]; then
+		ORIGINS["${GEOIP}"]=$(expr ${ORIGINS["${GEOIP}"]} + 1)
+	else
+		ORIGINS["${GEOIP}"]=1
+	fi
+	echo "${GEOIP}"
+done
+
+echo "${LINE}"
+echo -e "${LINE}\nEOF"
+echo "${LINE}"
+
+echo "COUNTRY STATS"
+for origin in "${!ORIGINS[@]}"; do
+	echo "${origin} -> ${ORIGINS["${origin}"]}"
+done