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dig +bufsize=0 failed to disable EDNS as a side effect.

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This commit is contained in:
Mark Andrews
2020-07-29 12:34:54 +10:00
parent e991f6ca9e
commit 0dc04cb901
7 changed files with 59 additions and 23 deletions
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25
bin/tests/system/digdelv/tests.sh
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@@ -944,6 +944,31 @@ if [ -x "$DIG" ] ; then
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check that dig +bufsize=0 disables EDNS ($n)"
ret=0
dig_with_opts @10.53.0.3 a.example +bufsize=0 +qr > dig.out.test$n 2>&1 || ret=1
grep "EDNS:" dig.out.test$n > /dev/null && ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check that dig +bufsize=0 +edns sends EDNS with bufsize of 0 ($n)"
ret=0
dig_with_opts @10.53.0.3 a.example +bufsize=0 +edns +qr > dig.out.test$n 2>&1 || ret=1
grep -E 'EDNS:.* udp: 0\r{0,1}$' dig.out.test$n > /dev/null|| ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
n=$((n+1))
echo_i "check that dig +bufsize restores default bufsize ($n)"
ret=0
dig_with_opts @10.53.0.3 a.example +bufsize=0 +bufsize +qr > dig.out.test$n 2>&1 || ret=1
lines=`grep "EDNS:.* udp: 4096" dig.out.test$n | wc -l`
test $lines -eq 2 || ret=1
if [ $ret -ne 0 ]; then echo_i "failed"; fi
status=$((status+ret))
else
echo_i "$DIG is needed, so skipping these dig tests"
fi