Add getaddrinfo(3) tests for NULL arguments.
According to https://github.com/ukanth/afwall/pull/213 some OEMs have
shipped a getaddrinfo(3) that crashes given NULL hostnames.
Change-Id: I9cea5fdd68546b7c64cf47e10e2b2b4d672b69d0
diff --git a/tests/netdb_test.cpp b/tests/netdb_test.cpp
index ef2c8da..0cebe4e 100644
--- a/tests/netdb_test.cpp
+++ b/tests/netdb_test.cpp
@@ -21,6 +21,23 @@
#include <netdb.h>
#include <netinet/in.h>
+TEST(netdb, getaddrinfo_NULL_host) {
+ // It's okay for the host argument to be NULL, as long as service isn't.
+ addrinfo* ai = NULL;
+ ASSERT_EQ(0, getaddrinfo(NULL, "smtp", NULL, &ai));
+ // (sockaddr_in::sin_port and sockaddr_in6::sin6_port overlap.)
+ ASSERT_EQ(25U, ntohs(reinterpret_cast<sockaddr_in*>(ai->ai_addr)->sin_port));
+ freeaddrinfo(ai);
+}
+
+TEST(netdb, getaddrinfo_NULL_service) {
+ // It's okay for the service argument to be NULL, as long as host isn't.
+ addrinfo* ai = NULL;
+ ASSERT_EQ(0, getaddrinfo("localhost", NULL, NULL, &ai));
+ ASSERT_TRUE(ai != NULL);
+ freeaddrinfo(ai);
+}
+
TEST(netdb, getaddrinfo_NULL_hints) {
addrinfo* ai = NULL;
ASSERT_EQ(0, getaddrinfo("localhost", "9999", NULL, &ai));