resolv: Remove EDNS fallback [BZ #21369]
authorFlorian Weimer <fweimer@redhat.com>
Thu, 13 Apr 2017 11:22:51 +0000 (13:22 +0200)
committerFlorian Weimer <fweimer@redhat.com>
Thu, 13 Apr 2017 11:22:51 +0000 (13:22 +0200)
commit44500cbb25bc6e76723304b9ff39f875c04309f9
tree924aa24c754a523da4c0f381f9f269ddc5c327c9
parente14a27723cc3a154d67f3f26e719d08c0ba9ad25
resolv: Remove EDNS fallback [BZ #21369]

EDNS is disabled by default (so there is interoperability issue), and
the fallback code is problematic because it prevents an application
from obtaining DNSSEC data after a FORMERR response.
ChangeLog
NEWS
resolv/res_query.c
resolv/res_send.c
resolv/tst-resolv-edns.c