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