tests: create a simple live test to verify we can set the TSYNC attribute

Signed-off-by: Paul Moore <paul@paul-moore.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/tests/32-live-tsync_allow.c b/tests/32-live-tsync_allow.c
new file mode 100644
index 0000000..26f7af2
--- /dev/null
+++ b/tests/32-live-tsync_allow.c
@@ -0,0 +1,84 @@
+/**
+ * Seccomp Library test program
+ *
+ * Copyright (c) 2013 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <seccomp.h>
+
+#include "util.h"
+
+int main(int argc, char *argv[])
+{
+	int rc;
+	scmp_filter_ctx ctx = NULL;
+
+	rc = util_action_parse(argv[1]);
+	if (rc != SCMP_ACT_ALLOW) {
+		rc = 1;
+		goto out;
+	}
+
+	rc = util_trap_install();
+	if (rc != 0)
+		goto out;
+
+	ctx = seccomp_init(SCMP_ACT_TRAP);
+	if (ctx == NULL)
+		return ENOMEM;
+
+	rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_TSYNC, 1);
+	if (rc != 0)
+		goto out;
+
+	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(open), 0);
+	if (rc != 0)
+		goto out;
+	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(openat), 0);
+	if (rc != 0)
+		goto out;
+	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 0);
+	if (rc != 0)
+		goto out;
+	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(close), 0);
+	if (rc != 0)
+		goto out;
+	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(rt_sigreturn), 0);
+	if (rc != 0)
+		goto out;
+	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(exit_group), 0);
+	if (rc != 0)
+		goto out;
+
+	rc = seccomp_load(ctx);
+	if (rc != 0)
+		goto out;
+
+	rc = util_file_write("/dev/null");
+	if (rc != 0)
+		goto out;
+
+	rc = 160;
+
+out:
+	seccomp_release(ctx);
+	return (rc < 0 ? -rc : rc);
+}