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dig: return a non-zero exit code for failed TCP EOF retries

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dig retries a TCP query when a server closes the connection prematurely.
However, dig's exit code remains unaffected even if the second attempt
to get a response also fails with the same error for the same lookup,
which should not be the case.  Ensure the exit code is updated
appropriately when a retry triggered by a TCP EOF condition fails.
This commit is contained in:
Michał Kępień
2019-01-18 11:15:19 +01:00
committed by Evan Hunt
parent 91d1218097
commit 0f168a4b37
4 changed files with 263 additions and 9 deletions
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util/copyrights
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@@ -493,6 +493,7 @@
./bin/tests/system/dialup/tests.sh SH 2000,2001,2004,2007,2012,2016,2018,2019
./bin/tests/system/digcomp.pl PERL 2000,2001,2004,2007,2012,2013,2016,2018,2019
./bin/tests/system/digdelv/ans4/startme X 2017,2018,2019
./bin/tests/system/digdelv/ans5/ans.pl PERL 2019
./bin/tests/system/digdelv/clean.sh SH 2015,2016,2018,2019
./bin/tests/system/digdelv/ns2/sign.sh SH 2018,2019
./bin/tests/system/digdelv/prereq.sh SH 2018,2019