aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog7
-rw-r--r--inet/gethstbyad_r.c12
-rw-r--r--nss/getXXbyYY_r.c8
3 files changed, 27 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index ead6b57..ade1935 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+1999-07-18 Ulrich Drepper <drepper@cygnus.com>
+
+ * inet/gethstbyad_r.c (PREPROCESS): Test for unspecified IPv6 address
+ and return an error in this case.
+ * nss/getXXbyYY_r.c: Allow PREPROCESS be defined and use it if
+ available.
+
1999-07-18 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* nscd/nscd_proto.h (__nscd_gethostbyaddr_r): Follow change from
diff --git a/inet/gethstbyad_r.c b/inet/gethstbyad_r.c
index 366cd55..137bdf9 100644
--- a/inet/gethstbyad_r.c
+++ b/inet/gethstbyad_r.c
@@ -18,6 +18,7 @@
Boston, MA 02111-1307, USA. */
#include <netdb.h>
+#include <string.h>
#define LOOKUP_TYPE struct hostent
@@ -28,6 +29,17 @@
#define NEED_H_ERRNO 1
#define NEED__RES 1
#define NEED__RES_HCONF 1
+/* If the addr parameter is the IPv6 unspecified address no query must
+ be performed. */
+#define PREPROCESS \
+ if (__builtin_expect (len == sizeof (struct in6_addr) \
+ && memcmp (&in6addr_any, addr, \
+ sizeof (struct in6_addr)) == 0, 0)) \
+ { \
+ *h_errnop = HOST_NOT_FOUND; \
+ *result = NULL; \
+ return ENOENT; \
+ }
#define POSTPROCESS \
if (status == NSS_STATUS_SUCCESS) \
{ \
diff --git a/nss/getXXbyYY_r.c b/nss/getXXbyYY_r.c
index a54ae67..a9ce901 100644
--- a/nss/getXXbyYY_r.c
+++ b/nss/getXXbyYY_r.c
@@ -49,6 +49,10 @@
|* NEED__RES - the global _res variable might be used so we *|
|* will have to initialize it if necessary *|
|* *|
+|* PREPROCESS - code run before anything else *|
+|* *|
+|* POSTPROCESS - code run after the lookup *|
+|* *|
\*******************************************************************/
/* To make the real sources a bit prettier. */
@@ -115,6 +119,10 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
int nscd_status;
#endif
+#ifdef PREPROCESS
+ PREPROCESS;
+#endif
+
#ifdef HANDLE_DIGITS_DOTS
/* We have to test for the use of IPv6 which can only be done by
examining `_res'. */