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authorJakub Jelinek <jakub@redhat.com>2007-02-11 16:21:43 +0000
committerJakub Jelinek <jakub@redhat.com>2007-02-11 16:21:43 +0000
commit6c8cc2d3042d0585741452006c29cb21fbba39ea (patch)
tree9050443fde19b762762681cb114b3ca55831a038 /resolv/res_send.c
parentce28a8ab09cdd49890261d37b5b9280131d18014 (diff)
Updated to fedora-glibc-20070211T1607cvs/fedora-glibc-2_5_90-17
Diffstat (limited to 'resolv/res_send.c')
-rw-r--r--resolv/res_send.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/resolv/res_send.c b/resolv/res_send.c
index 887d048e19..f38c399ffd 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -986,6 +986,24 @@ send_dg(res_state statp,
ans, (resplen > anssiz) ? anssiz : resplen);
goto wait;
}
+#ifdef RES_USE_EDNS0
+ if (anhp->rcode == FORMERR
+ && (statp->options & RES_USE_EDNS0) != 0U) {
+ /*
+ * Do not retry if the server do not understand
+ * EDNS0. The case has to be captured here, as
+ * FORMERR packet do not carry query section, hence
+ * res_queriesmatch() returns 0.
+ */
+ DprintQ(statp->options & RES_DEBUG,
+ (stdout,
+ "server rejected query with EDNS0:\n"),
+ ans, (resplen > anssiz) ? anssiz : resplen);
+ /* record the error */
+ statp->_flags |= RES_F_EDNS0ERR;
+ goto err_out;
+ }
+#endif
if (!(statp->options & RES_INSECURE2) &&
!res_queriesmatch(buf, buf + buflen,
ans, ans + anssiz)) {