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- #!/bin/sh
- # log service to trace failed ssh/luci logins and conditionally refresh banIP
- # written by Dirk Brenken (dev@brenken.org)
-
- # This is free software, licensed under the GNU General Public License v3.
- # You should have received a copy of the GNU General Public License
- # along with this program. If not, see <http://www.gnu.org/licenses/>.
-
- LC_ALL=C
- PATH="/usr/sbin:/usr/bin:/sbin:/bin"
-
- if [ -r "/lib/functions.sh" ]
- then
- . "/lib/functions.sh"
- ban_sshdaemon="$(uci_get banip extra ban_sshdaemon "dropbear")"
- fi
- ban_ver="${1}"
- ban_log="$(command -v logread)"
-
- if [ -x "${ban_log}" ]
- then
- logger -p "info" -t "banIP-${ban_ver}[${$}]" "log/banIP service started"
- "${ban_log}" -f -e "${ban_sshdaemon}\|luci: failed login" | \
- { grep -qE "Exit before auth|luci: failed login|[0-9]+ \[preauth\]$"; [ $? -eq 0 ] && /etc/init.d/banip refresh; }
- else
- logger -p "err" -t "banIP-${ban_ver}[${$}]" "can't start log/banIP service"
- fi
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