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authorSimon McVittie <smcv@collabora.com>2020-04-16 14:41:48 +0100
committerSimon McVittie <smcv@collabora.com>2020-06-02 10:43:39 +0100
commit8bc1381819e5a845331650bfa28dacf6d2ac1748 (patch)
treeccfb544d665d922dde0adbc04a727ed539d58343
parent272d484283883fa9ff95b69d924fff6cd34842f5 (diff)
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fdpass test: Assert that we don't leak file descriptors
This version is for the dbus-1.12 branch, and doesn't rely on dbus!153 or dbus!120. Reproduces: dbus#294 Reproduces: CVE-2020-12049 Reproduces: GHSL-2020-057 Signed-off-by: Simon McVittie <smcv@collabora.com>
-rw-r--r--test/fdpass.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/fdpass.c b/test/fdpass.c
index 4a3edc4e..8bad675f 100644
--- a/test/fdpass.c
+++ b/test/fdpass.c
@@ -50,6 +50,14 @@
#include "test-utils-glib.h"
+#ifdef DBUS_ENABLE_EMBEDDED_TESTS
+#include <dbus/dbus-message-internal.h>
+#else
+typedef struct _DBusInitialFDs DBusInitialFDs;
+#define _dbus_check_fdleaks_enter() NULL
+#define _dbus_check_fdleaks_leave(fds) do {} while (0)
+#endif
+
/* Arbitrary; included here to avoid relying on the default */
#define MAX_MESSAGE_UNIX_FDS 20
/* This test won't work on Linux unless this is true. */
@@ -92,6 +100,7 @@ typedef struct {
GQueue messages;
int fd_before;
+ DBusInitialFDs *initial_fds;
} Fixture;
static void oom (const gchar *doing) G_GNUC_NORETURN;
@@ -176,6 +185,8 @@ test_connect (Fixture *f,
if (f->skip)
return;
+ f->initial_fds = _dbus_check_fdleaks_enter ();
+
g_assert (f->left_server_conn == NULL);
g_assert (f->right_server_conn == NULL);
@@ -871,6 +882,9 @@ teardown (Fixture *f,
if (f->fd_before >= 0 && close (f->fd_before) < 0)
g_error ("%s", g_strerror (errno));
#endif
+
+ if (f->initial_fds != NULL)
+ _dbus_check_fdleaks_leave (f->initial_fds);
}
int