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ipa-kdb: override krb5.conf when testing KDC code in cmocka

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When testing KDC code in cmocka we rely on libkrb5 defaults.
libkrb5 would read /etc/krb5.conf by default and would load a KDB
module from there if it is defined for the test realm (EXAMPLE.COM).

Since EXAMPLE.COM is a common name used for test realms, make sure to
not using /etc/krb5.conf from the system. Instead, force KRB5_CONFIG to
/dev/null so that only libkrb5 compiled-in defaults are in use.

In such setup libkrb5 will attempt to load KDB driver db2 for our test
realm. db2 driver doesn't fail if its database is not available (unlike
FreeIPA's one), so it survives initialization.

As result, ipa-kdb-tests pass without unexpected breakage.

Reviewed-By: Christian Heimes <cheimes@redhat.com>
This commit is contained in:
Alexander Bokovoy 2017-11-24 16:55:33 +02:00
parent 4069c129ea
commit 8ec4b8159e
2 changed files with 4 additions and 0 deletions
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2
daemons/ipa-kdb/Makefile.am
View File

@ -62,6 +62,8 @@ ipadb_la_LIBADD = \
$(NULL)
if HAVE_CMOCKA
TESTS_ENVIRONMENT = . $(srcdir)/tests/test_setup.sh;
dist_ipa_kdb_tests_SOURCES = tests/test_setup.sh
TESTS = ipa_kdb_tests
check_PROGRAMS = ipa_kdb_tests
endif

2
daemons/ipa-kdb/tests/test_setup.sh Executable file
View File

@ -0,0 +1,2 @@
KRB5_CONFIG=/dev/null
export KRB5_CONFIG