aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog9
-rw-r--r--inet/Makefile3
-rw-r--r--inet/getnameinfo.c3
-rw-r--r--inet/tst-getni1.c36
4 files changed, 50 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index f5df1b9..e211a52 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2008-12-08 Ulrich Drepper <drepper@redhat.com>
+
+ [BZ #7080]
+ * inet/getnameinfo.c (getnameinfo): Check for output buffers being
+ NULL when NI_NAMEREQD is set.
+ Patch mostly by Yang Hongyang <yanghy@cn.fujitsu.com>.
+ * inet/Makefile (tests): Add tst-getni1.
+ * inet/tst-getni1.c: New file.
+
2008-12-03 Petr Baudis <pasky@suse.cz>
[BZ #7067]
diff --git a/inet/Makefile b/inet/Makefile
index d7139c1..64154bb 100644
--- a/inet/Makefile
+++ b/inet/Makefile
@@ -52,7 +52,8 @@ routines := htonl htons \
aux := check_pf check_native ifreq
tests := htontest test_ifindex tst-ntoa tst-ether_aton tst-network \
- tst-gethnm test-ifaddrs bug-if1 test-inet6_opt tst-ether_line
+ tst-gethnm test-ifaddrs bug-if1 test-inet6_opt tst-ether_line \
+ tst-getni1
include ../Rules
diff --git a/inet/getnameinfo.c b/inet/getnameinfo.c
index 50240383..db6b5c7 100644
--- a/inet/getnameinfo.c
+++ b/inet/getnameinfo.c
@@ -178,6 +178,9 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
if (sa == NULL || addrlen < sizeof (sa_family_t))
return EAI_FAMILY;
+ if ((flags & NI_NAMEREQD) && host == NULL && serv == NULL)
+ return EAI_NONAME;
+
switch (sa->sa_family)
{
case AF_LOCAL:
diff --git a/inet/tst-getni1.c b/inet/tst-getni1.c
new file mode 100644
index 0000000..0e8a792
--- /dev/null
+++ b/inet/tst-getni1.c
@@ -0,0 +1,36 @@
+#include <netdb.h>
+#include <stdio.h>
+#include <sys/socket.h>
+
+static int
+do_test (void)
+{
+ int retval = 0;
+
+ struct sockaddr_in s;
+ s.sin_family = AF_INET;
+ s.sin_port = 80;
+ s.sin_addr.s_addr = INADDR_LOOPBACK;
+ int r = getnameinfo((struct sockaddr *) &s, sizeof (s), NULL, 0, NULL, 0,
+ NI_NUMERICHOST | NI_NUMERICSERV);
+ printf("r = %d\n", r);
+ if (r != 0)
+ {
+ puts ("failed without NI_NAMEREQD");
+ retval = 1;
+ }
+
+ r = getnameinfo((struct sockaddr *) &s, sizeof (s), NULL, 0, NULL, 0,
+ NI_NUMERICHOST | NI_NUMERICSERV | NI_NAMEREQD);
+ printf("r = %d\n", r);
+ if (r != EAI_NONAME)
+ {
+ puts ("did not fail with EAI_NONAME with NI_NAMEREQD set");
+ retval = 1;
+ }
+
+ return retval;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"