1 files changed, 98 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/analyzer/fd-symbolic-socket.c b/gcc/testsuite/gcc.dg/analyzer/fd-symbolic-socket.c
new file mode 100644
index 0000000..83400c1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/fd-symbolic-socket.c
@@ -0,0 +1,98 @@
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <errno.h>
+#include "analyzer-decls.h"
+
+void test_leak_socket (int type)
+{
+  int fd = socket (AF_UNIX, type, 0); /* { dg-message "socket created here" } */
+} /* { dg-warning "leak of file descriptor 'fd'" } */
+
+void test_leak_socket_no_lhs (int type)
+{
+  socket (AF_UNIX, type, 0);  /* { dg-warning "leak of file descriptor" } */
+}
+
+void test_close_unchecked_socket (int type)
+{
+  int fd = socket (AF_UNIX, type, 0);
+  close (fd);
+}
+
+void test_close_checked_socket (int type)
+{
+  int fd = socket (AF_UNIX, type, 0);
+  if (fd == -1)
+    return;
+  close (fd);
+}
+
+void test_leak_checked_socket (int type)
+{
+  int fd = socket (AF_UNIX, type, 0); /* { dg-message "socket created here" } */
+  if (fd == -1) /* { dg-warning "leak of file descriptor 'fd'" } */
+    return;
+  // TODO: strange location for leak message
+}
+
+void test_bind_on_checked_socket (int type, const char *sockname)
+{
+  struct sockaddr_un addr;
+  int fd = socket (AF_UNIX, type, 0);
+  if (fd == -1)
+    return;
+  memset (&addr, 0, sizeof (addr));
+  addr.sun_family = AF_UNIX;
+  strncpy (addr.sun_path, sockname, sizeof(addr.sun_path) - 1);
+  bind (fd, (struct sockaddr *)&addr, sizeof (addr));
+  close (fd);
+}
+
+void test_bind_on_unchecked_socket (int type, const char *sockname)
+{
+  struct sockaddr_un addr;
+  int fd = socket (AF_UNIX, type, 0); /* { dg-message "when 'socket' fails" } */
+  memset (&addr, 0, sizeof (addr));
+  addr.sun_family = AF_UNIX;
+  strncpy (addr.sun_path, sockname, sizeof(addr.sun_path) - 1);
+  bind (fd, (struct sockaddr *)&addr, sizeof (addr)); /* { dg-warning "'bind' on possibly invalid file descriptor 'fd'" } */
+  close (fd);
+}
+
+void test_leak_of_bound_socket (int type, const char *sockname)
+{
+  struct sockaddr_un addr;
+  int fd = socket (AF_UNIX, type, 0); /* { dg-message "socket created here" } */
+  if (fd == -1)
+    return;
+  memset (&addr, 0, sizeof (addr));
+  addr.sun_family = AF_UNIX;
+  strncpy (addr.sun_path, sockname, sizeof(addr.sun_path) - 1);
+  bind (fd, (struct sockaddr *)&addr, sizeof (addr)); /* { dg-warning "leak of file descriptor 'fd'" } */
+}
+
+void test_listen_without_bind (int type)
+{
+  int fd = socket (AF_UNIX, type, 0);
+  if (fd == -1)
+    return;
+  listen (fd, 5); /* { dg-warning "'listen' on file descriptor 'fd' in wrong phase" } */
+  /* { dg-message "'listen' expects a bound stream socket file descriptor but 'fd' has not yet been bound" "msg" { target *-*-* } .-1 } */
+  close (fd);
+}
+
+void test_listen_on_unchecked_bind (int type, const char *sockname)
+{
+  struct sockaddr_un addr;
+  int fd = socket (AF_UNIX, type, 0);
+  if (fd == -1)
+    return;
+  memset (&addr, 0, sizeof (addr));
+  addr.sun_family = AF_UNIX;
+  strncpy (addr.sun_path, sockname, sizeof(addr.sun_path) - 1);
+  bind (fd, (struct sockaddr *)&addr, sizeof (addr)); /* { dg-message "when 'bind' fails" } */
+  listen (fd, 5); /* { dg-warning "'listen' on file descriptor 'fd' in wrong phase" "warning" } */
+  /* { dg-message "'listen' expects a bound stream socket file descriptor but 'fd' has not yet been bound" "msg" { target *-*-* } .-1 } */
+  close (fd);
+}