269 lines
10 KiB
Bash
Executable file
269 lines
10 KiB
Bash
Executable file
#!/bin/sh
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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# SPDX-License-Identifier: MPL-2.0
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at https://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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set -e
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. ../conf.sh
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DIGOPTS="-p ${PORT} +tries=1 +time=2"
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# Check whether the SOA record for the name provided in $1 can be resolved by
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# ns1. Return 0 if resolution succeeds as expected; return 1 otherwise.
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resolution_succeeds() {
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_ret=0
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$DIG $DIGOPTS +tcp +tries=3 +time=5 @10.53.0.1 ${1} SOA >dig.out.test$n || _ret=1
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grep "status: NOERROR" dig.out.test$n >/dev/null || _ret=1
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return $_ret
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}
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# Check whether the SOA record for the name provided in $1 can be resolved by
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# ns1. Return 0 if resolution fails as expected; return 1 otherwise. Note that
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# both a SERVFAIL response and timing out mean resolution failed, so the exit
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# code of dig does not influence the result (the exit code for a SERVFAIL
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# response is 0 while the exit code for not getting a response at all is not 0).
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resolution_fails() {
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_servfail=0
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_timeout=0
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$DIG $DIGOPTS +tcp +time=5 @10.53.0.1 ${1} TXT >dig.out.test$n || true
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grep -F "status: SERVFAIL" dig.out.test$n >/dev/null && _servfail=1
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grep -F "timed out" dig.out.test$n >/dev/null && _timeout=1
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if [ $_servfail -eq 1 ] || [ $_timeout -eq 1 ]; then
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return 0
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else
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return 1
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fi
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}
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status=0
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n=0
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n=$((n + 1))
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echo_i "checking formerr edns server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.8 ednsformerr soa >dig.out.1.test$n || ret=1
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grep "status: FORMERR" dig.out.1.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.1.test$n >/dev/null && ret=1
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$DIG $DIGOPTS +noedns @10.53.0.8 ednsformerr soa >dig.out.2.test$n || ret=1
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grep "status: NOERROR" dig.out.2.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.2.test$n >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to formerr edns server succeeds ($n)"
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ret=0
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resolution_succeeds ednsformerr. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking notimp edns server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.9 ednsnotimp soa >dig.out.1.test$n || ret=1
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grep "status: NOTIMP" dig.out.1.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.1.test$n >/dev/null && ret=1
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$DIG $DIGOPTS +noedns @10.53.0.9 ednsnotimp soa >dig.out.2.test$n || ret=1
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grep "status: NOERROR" dig.out.2.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.2.test$n >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to notimp edns server fails ($n)"
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ret=0
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resolution_fails ednsnotimp. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking refused edns server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.10 ednsrefused soa >dig.out.1.test$n || ret=1
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grep "status: REFUSED" dig.out.1.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.1.test$n >/dev/null && ret=1
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$DIG $DIGOPTS +noedns @10.53.0.10 ednsrefused soa >dig.out.2.test$n || ret=1
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grep "status: NOERROR" dig.out.2.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.2.test$n >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to refused edns server fails ($n)"
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ret=0
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resolution_fails ednsrefused. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking drop edns server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.2 dropedns soa >dig.out.1.test$n && ret=1
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grep "timed out" dig.out.1.test$n >/dev/null || ret=1
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grep ";; no servers could be reached" dig.out.1.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +noedns @10.53.0.2 dropedns soa >dig.out.2.test$n || ret=1
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grep "status: NOERROR" dig.out.2.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.2.test$n >/dev/null && ret=1
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$DIG $DIGOPTS +noedns +tcp @10.53.0.2 dropedns soa >dig.out.3.test$n || ret=1
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grep "status: NOERROR" dig.out.3.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.3.test$n >/dev/null && ret=1
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$DIG $DIGOPTS +edns +tcp @10.53.0.2 dropedns soa >dig.out.4.test$n && ret=1
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grep "timed out" dig.out.4.test$n >/dev/null || ret=1
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grep ";; no servers could be reached" dig.out.4.test$n >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to drop edns server fails ($n)"
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ret=0
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resolution_fails dropedns. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking drop edns + no tcp server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.3 dropedns-notcp soa >dig.out.1.test$n && ret=1
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grep "timed out" dig.out.1.test$n >/dev/null || ret=1
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grep ";; no servers could be reached" dig.out.1.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +noedns +tcp @10.53.0.3 dropedns-notcp soa >dig.out.2.test$n && ret=1
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grep "connection refused" dig.out.2.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +noedns @10.53.0.3 dropedns-notcp soa >dig.out.3.test$n || ret=1
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grep "status: NOERROR" dig.out.3.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.3.test$n >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to drop edns + no tcp server fails ($n)"
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ret=0
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resolution_fails dropedns-notcp. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking plain dns server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.4 plain soa >dig.out.1.test$n || ret=1
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grep "status: NOERROR" dig.out.1.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.1.test$n >/dev/null && ret=1
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$DIG $DIGOPTS +edns +tcp @10.53.0.4 plain soa >dig.out.2.test$n || ret=1
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grep "status: NOERROR" dig.out.2.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.2.test$n >/dev/null && ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to plain dns server succeeds ($n)"
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ret=0
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resolution_succeeds plain. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking plain dns + no tcp server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.5 plain-notcp soa >dig.out.1.test$n || ret=1
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grep "status: NOERROR" dig.out.1.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.1.test$n >/dev/null && ret=1
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$DIG $DIGOPTS +edns +tcp @10.53.0.5 plain-notcp soa >dig.out.2.test$n && ret=1
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grep "connection refused" dig.out.2.test$n >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to plain dns + no tcp server succeeds ($n)"
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ret=0
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resolution_succeeds plain-notcp. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking edns 512 server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.6 edns512 txt >dig.out.1.test$n || ret=1
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grep "status: NOERROR" dig.out.1.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.1.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +edns +tcp @10.53.0.6 edns512 txt >dig.out.2.test$n || ret=1
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grep "status: NOERROR" dig.out.2.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.2.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +edns +dnssec @10.53.0.6 edns512 txt >dig.out.3.test$n && ret=1
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grep "timed out" dig.out.3.test$n >/dev/null || ret=1
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grep ";; no servers could be reached" dig.out.3.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +edns +dnssec +bufsize=512 +ignore @10.53.0.6 edns512 soa >dig.out.4.test$n || ret=1
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grep "status: NOERROR" dig.out.4.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.4.test$n >/dev/null || ret=1
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grep "flags:.* tc[ ;]" dig.out.4.test$n >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to edns 512 server succeeds ($n)"
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ret=0
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retry_quiet 3 resolution_succeeds edns512. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking edns 512 + no tcp server setup ($n)"
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ret=0
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$DIG $DIGOPTS +edns @10.53.0.7 edns512-notcp soa >dig.out.1.test$n || ret=1
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grep "status: NOERROR" dig.out.1.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.1.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +edns +tcp @10.53.0.7 edns512-notcp soa >dig.out.2.test$n && ret=1
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grep "connection refused" dig.out.2.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +edns +dnssec @10.53.0.7 edns512-notcp soa >dig.out.3.test$n && ret=1
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grep "timed out" dig.out.3.test$n >/dev/null || ret=1
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grep ";; no servers could be reached" dig.out.3.test$n >/dev/null || ret=1
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$DIG $DIGOPTS +edns +dnssec +bufsize=512 +ignore @10.53.0.7 edns512-notcp soa >dig.out.4.test$n || ret=1
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grep "status: NOERROR" dig.out.4.test$n >/dev/null || ret=1
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grep "EDNS: version:" dig.out.4.test$n >/dev/null || ret=1
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grep "flags:.* tc[ ;]" dig.out.4.test$n >/dev/null || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to edns 512 + no tcp server fails ($n)"
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ret=0
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resolution_fails edns512-notcp. || ret=1
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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n=$((n + 1))
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echo_i "checking recursive lookup to edns 512 + no tcp server does not cause query loops ($n)"
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ret=0
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sent=$(grep -c -F "sending packet to 10.53.0.7" ns1/named.run)
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if [ $sent -ge 10 ]; then
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echo_i "ns1 sent $sent queries to ns7, expected less than 10"
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ret=1
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fi
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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stop_server --use-rndc --port ${CONTROLPORT} ns1
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copy_setports ns1/named2.conf.in ns1/named.conf
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start_server --noclean --restart --port ${PORT} ns1
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n=$((n + 1))
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echo_i "checking recursive lookup to edns 512 + no tcp + trust anchor fails ($n)"
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# retry loop in case the server restart above causes transient failure
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for try in 0 1 2 3 4 5 6 7 8 9; do
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ret=0
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resolution_fails edns512-notcp. || ret=1
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[ "$ret" -eq 0 ] && break
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sleep 1
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done
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if [ $ret != 0 ]; then echo_i "failed"; fi
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status=$((status + ret))
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echo_i "exit status: $status"
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[ $status -eq 0 ] || exit 1
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