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53 lines
1.7 KiB
Bash
53 lines
1.7 KiB
Bash
# $OpenBSD
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# Placed in the Public Domain.
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tid="penalties"
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grep -vi PerSourcePenalties $OBJ/sshd_config > $OBJ/sshd_config.bak
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cp $OBJ/authorized_keys_${USER} $OBJ/authorized_keys_${USER}.bak
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conf() {
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test -z "$PIDFILE" || stop_sshd
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(cat $OBJ/sshd_config.bak ;
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echo "PerSourcePenalties $@") > $OBJ/sshd_config
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cp $OBJ/authorized_keys_${USER}.bak $OBJ/authorized_keys_${USER}
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start_sshd
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}
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conf "authfail:300s min:350s max:900s"
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verbose "test connect"
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${SSH} -F $OBJ/ssh_config somehost true || fatal "basic connect failed"
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verbose "penalty for authentication failure"
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# Fail authentication once
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cat /dev/null > $OBJ/authorized_keys_${USER}
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${SSH} -F $OBJ/ssh_config somehost true && fatal "noauth connect succeeded"
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cp $OBJ/authorized_keys_${USER}.bak $OBJ/authorized_keys_${USER}
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sleep 2
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# Should be below penalty threshold
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${SSH} -F $OBJ/ssh_config somehost true || fatal "authfail not expired"
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sleep 2
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# Fail authentication again; penalty should activate
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cat /dev/null > $OBJ/authorized_keys_${USER}
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${SSH} -F $OBJ/ssh_config somehost true && fatal "noauth connect succeeded"
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cp $OBJ/authorized_keys_${USER}.bak $OBJ/authorized_keys_${USER}
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sleep 2
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# These should be refused by the active penalty
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${SSH} -F $OBJ/ssh_config somehost true && fail "authfail not rejected"
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${SSH} -F $OBJ/ssh_config somehost true && fail "repeat authfail not rejected"
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conf "noauth:100s"
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${SSH} -F $OBJ/ssh_config somehost true || fatal "basic connect failed"
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verbose "penalty for no authentication"
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${SSHKEYSCAN} -t ssh-ed25519 -p $PORT 127.0.0.1 >/dev/null || fatal "keyscan failed"
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sleep 2
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# Repeat attempt should be penalised
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${SSHKEYSCAN} -t ssh-ed25519 -p $PORT 127.0.0.1 >/dev/null 2>&1 && fail "keyscan not rejected"
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