Fix failing test case in test_filter_ipc.

Add explicit check for primary group.

configure.ac

@@ -170,7 +170,6 @@ case "${host_os}" in
         fi
         AC_DEFINE(ZMQ_HAVE_LINUX, 1, [Have Linux OS])
         libzmq_on_linux="yes"
-        AC_CHECK_DECLS([SO_PEERCRED], [AC_DEFINE(ZMQ_HAVE_SO_PEERCRED, 1, [Have SO_PEERCRED socket option])], [], [#include <sys/socket.h>])
 
         if test "x$libzmq_tipc_support" = "xyes"; then
             AC_DEFINE(ZMQ_HAVE_TIPC, 1, [Have TIPC support])
@@ -216,7 +215,6 @@ case "${host_os}" in
         libzmq_pedantic="no"
         libzmq_werror="no"
         AC_DEFINE(ZMQ_HAVE_OSX, 1, [Have DarwinOSX OS])
-        AC_CHECK_DECLS([LOCAL_PEERCRED], [AC_DEFINE(ZMQ_HAVE_LOCAL_PEERCRED, 1, [Have LOCAL_PEERCRED socket option])], [], [#include <sys/socket.h>])
         AC_LANG_PUSH([C++])
         LIBZMQ_CHECK_LANG_FLAG_PREPEND([-Wno-uninitialized])
         AC_LANG_POP([C++])
@@ -351,6 +349,9 @@ if test "x$zmq_disable_eventfd" != "xyes"; then
                      [AC_DEFINE(ZMQ_HAVE_EVENTFD, 1, [Have eventfd extension.])])
 fi
 
+AC_CHECK_DECLS([SO_PEERCRED], [AC_DEFINE(ZMQ_HAVE_SO_PEERCRED, 1, [Have SO_PEERCRED socket option])], [], [#include <sys/socket.h>])
+AC_CHECK_DECLS([LOCAL_PEERCRED], [AC_DEFINE(ZMQ_HAVE_LOCAL_PEERCRED, 1, [Have LOCAL_PEERCRED socket option])], [], [#include <sys/socket.h>])
+
 # Use c++ in subsequent tests
 AC_LANG_PUSH(C++)
 

src/ipc_listener.cpp

@@ -215,6 +215,7 @@ bool zmq::ipc_listener_t::filter (fd_t sock)
     if (getsockopt (sock, SOL_SOCKET, SO_PEERCRED, &cred, &size))
         return false;
     if (options.ipc_uid_accept_filters.find (cred.uid) != options.ipc_uid_accept_filters.end () ||
+            options.ipc_gid_accept_filters.find (cred.gid) != options.ipc_gid_accept_filters.end () ||
             options.ipc_pid_accept_filters.find (cred.pid) != options.ipc_pid_accept_filters.end ())
         return true;
 
@@ -227,10 +228,11 @@ bool zmq::ipc_listener_t::filter (fd_t sock)
             it != options.ipc_gid_accept_filters.end (); it++) {
         if (!(gr = getgrgid (*it)))
             continue;
-        for (char **mem = gr->gr_mem; *mem; mem++)
+        for (char **mem = gr->gr_mem; *mem; mem++) {
             if (!strcmp (*mem, pw->pw_name))
                 return true;
         }
+    }
     return false;
 }
 

tests/test_filter_ipc.cpp

@@ -20,6 +20,9 @@
 #include <string.h>
 #include <sys/types.h>
 
+#include <string>
+#include <sstream>
+
 #include "testutil.hpp"
 
 static void bounce_fail (void *server, void *client)
@@ -52,6 +55,8 @@ static void bounce_fail (void *server, void *client)
 template <class T>
 static void run_test (int opt, T optval, int expected_error, int bounce_test)
 {
+    int rc;
+
     void *ctx = zmq_ctx_new ();
     assert (ctx);
 
@@ -59,7 +64,7 @@ static void run_test (int opt, T optval, int expected_error, int bounce_test)
     assert (sb);
 
     if (opt) {
-        int rc = zmq_setsockopt(sb, opt, &optval, sizeof (optval));
+        rc = zmq_setsockopt(sb, opt, &optval, sizeof (optval));
         if (expected_error) {
             assert (rc == -1);
             assert (zmq_errno () == expected_error);
@@ -71,6 +76,20 @@ static void run_test (int opt, T optval, int expected_error, int bounce_test)
     void *sc = zmq_socket (ctx, ZMQ_PAIR);
     assert (sc);
 
+    // If a test fails, don't hang for too long
+    int timeout = 1500;
+    rc = zmq_setsockopt (sb, ZMQ_RCVTIMEO, &timeout, sizeof (int));
+    assert (rc == 0);
+    rc = zmq_setsockopt (sb, ZMQ_SNDTIMEO, &timeout, sizeof (int));
+    assert (rc == 0);
+    rc = zmq_setsockopt (sc, ZMQ_RCVTIMEO, &timeout, sizeof (int));
+    assert (rc == 0);
+    rc = zmq_setsockopt (sc, ZMQ_SNDTIMEO, &timeout, sizeof (int));
+    assert (rc == 0);
+    int interval = -1;
+    rc = zmq_setsockopt (sc, ZMQ_RECONNECT_IVL, &interval, sizeof (int));
+    assert (rc == 0);
+
     if (bounce_test) {
         int rc = zmq_bind (sb, "ipc://@/tmp/test");
         assert (rc == 0);
@@ -87,7 +106,7 @@ static void run_test (int opt, T optval, int expected_error, int bounce_test)
     close_zero_linger (sc);
     close_zero_linger (sb);
 
-    int rc = zmq_ctx_term (ctx);
+    rc = zmq_ctx_term (ctx);
     assert (rc == 0);
 }