[CRIU] [PATCH 1/2] tests: add a (failing) test for standalone unix sockets

[Tycho Andersen]

Signed-off-by: Tycho Andersen <tycho.andersen at canonical.com>
---
 test/zdtm/.gitignore                          |  1 +
 test/zdtm/static/Makefile                     |  1 +
 test/zdtm/static/deleted_standalone_unix.c    | 76 +++++++++++++++++++++++++++
 test/zdtm/static/deleted_standalone_unix.desc |  1 +
 4 files changed, 79 insertions(+)
 create mode 100644 test/zdtm/static/deleted_standalone_unix.c
 create mode 100644 test/zdtm/static/deleted_standalone_unix.desc

diff --git a/test/zdtm/.gitignore b/test/zdtm/.gitignore
index 85e39a2..4864731 100644
--- a/test/zdtm/.gitignore
+++ b/test/zdtm/.gitignore
@@ -28,6 +28,7 @@
 /static/cwd01
 /static/cwd02
 /static/deleted_dev
+/static/deleted_standalone_unix
 /static/deleted_unix_sock
 /static/different_creds
 /static/dumpable01
diff --git a/test/zdtm/static/Makefile b/test/zdtm/static/Makefile
index 3da7e3b..b1bd2d8 100644
--- a/test/zdtm/static/Makefile
+++ b/test/zdtm/static/Makefile
@@ -162,6 +162,7 @@ TST_FILE	=				\
 		link10				\
 		file_attr			\
 		deleted_unix_sock		\
+		deleted_standalone_unix		\
 		sk-unix-rel			\
 		deleted_dev			\
 		unlink_fstat00			\
diff --git a/test/zdtm/static/deleted_standalone_unix.c b/test/zdtm/static/deleted_standalone_unix.c
new file mode 100644
index 0000000..9288a6d
--- /dev/null
+++ b/test/zdtm/static/deleted_standalone_unix.c
@@ -0,0 +1,76 @@
+#define _GNU_SOURCE
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include "zdtmtst.h"
+
+const char *test_doc	= "Check that deleted unix sockets are restored correctly";
+const char *test_author	= "Tycho Andersen <tycho.andersen at canonical.com>";
+
+char *filename;
+TEST_OPTION(filename, string, "file name", 1);
+
+static int fill_sock_name(struct sockaddr_un *name, const char *filename)
+{
+	char *cwd;
+
+	cwd = get_current_dir_name();
+	if (strlen(filename) + strlen(cwd) + 1 >= sizeof(name->sun_path))
+		return -1;
+
+	name->sun_family = AF_LOCAL;
+	sprintf(name->sun_path, "%s/%s", cwd, filename);
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	struct sockaddr_un addr;
+	int sk, ret = 1;
+
+	test_init(argc, argv);
+
+	sk = socket(PF_UNIX, SOCK_STREAM, 0);
+	if (sk < 0) {
+		fail("socket");
+		return 1;
+	}
+
+	if (fill_sock_name(&addr, filename) < 0) {
+		pr_err("filename \"%s\" is too long", filename);
+		goto out;
+	}
+
+	if (bind(sk, &addr, sizeof(addr))) {
+		fail("bind");
+		goto out;
+	}
+
+	if (listen(sk, 1)) {
+		fail("listen");
+		goto out;
+	}
+
+	if (unlink(addr.sun_path) < 0) {
+		fail("unlink");
+		goto out;
+	}
+
+	test_daemon();
+	test_waitsig();
+
+	if (getsockopt(sk, 0, 0, NULL, 0) && errno != EOPNOTSUPP) {
+		fail("socket didn't survive restore");
+		goto out;
+	}
+
+	pass();
+	ret = 0;
+out:
+	close(sk);
+	return ret;
+}
diff --git a/test/zdtm/static/deleted_standalone_unix.desc b/test/zdtm/static/deleted_standalone_unix.desc
new file mode 100644
index 0000000..289362e
--- /dev/null
+++ b/test/zdtm/static/deleted_standalone_unix.desc
@@ -0,0 +1 @@
+{'flavor': 'h ns uns'}
-- 
2.7.4