1 files changed, 130 insertions, 0 deletions
diff --git a/tests/54-live-binary_tree.c b/tests/54-live-binary_tree.c
new file mode 100644
index 0000000..8d0d25d
--- /dev/null
+++ b/tests/54-live-binary_tree.c
@@ -0,0 +1,130 @@
+/**
+ * Seccomp Library test program
+ *
+ * Copyright (c) 2018 Oracle and/or its affiliates.  All rights reserved.
+ * Author: Tom Hromatka <tom.hromatka@oracle.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 <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <seccomp.h>
+
+#include "util.h"
+
+static const int denylist[] = {
+	SCMP_SYS(times),
+	SCMP_SYS(ptrace),
+	SCMP_SYS(getuid),
+	SCMP_SYS(syslog),
+	SCMP_SYS(getgid),
+	SCMP_SYS(setuid),
+	SCMP_SYS(setgid),
+	SCMP_SYS(geteuid),
+	SCMP_SYS(getegid),
+	SCMP_SYS(setpgid),
+	SCMP_SYS(getppid),
+	SCMP_SYS(getpgrp),
+	SCMP_SYS(setsid),
+	SCMP_SYS(setreuid),
+	SCMP_SYS(setregid),
+	SCMP_SYS(getgroups),
+	SCMP_SYS(setgroups),
+	SCMP_SYS(setresuid),
+	SCMP_SYS(getresuid),
+	SCMP_SYS(setresgid),
+	SCMP_SYS(getresgid),
+	SCMP_SYS(getpgid),
+	SCMP_SYS(setfsuid),
+	SCMP_SYS(setfsgid),
+};
+
+int main(int argc, char *argv[])
+{
+	int rc;
+	int fd;
+	int i;
+	scmp_filter_ctx ctx = NULL;
+	const char buf[] = "testing";
+	ssize_t buf_len = strlen(buf);
+
+	rc = util_action_parse(argv[1]);
+	if (rc != SCMP_ACT_ALLOW) {
+		rc = 1;
+		goto out;
+	}
+
+	rc = util_trap_install();
+	if (rc != 0)
+		goto out;
+
+	fd = open("/dev/null", O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+	if (fd < 0) {
+		rc = errno;
+		goto out;
+	}
+
+	ctx = seccomp_init(SCMP_ACT_TRAP);
+	if (ctx == NULL)
+		return ENOMEM;
+
+	rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_OPTIMIZE, 2);
+	if (rc < 0)
+		goto out;
+	rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 1,
+			      SCMP_A0(SCMP_CMP_EQ, fd));
+	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;
+
+	for (i = 0; i < (sizeof(denylist) / sizeof(denylist[0])); i++) {
+		rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, denylist[i], 0);
+		if (rc != 0)
+			goto out;
+	}
+
+	rc = seccomp_load(ctx);
+	if (rc != 0)
+		goto out;
+
+	if (write(fd, buf, buf_len) < buf_len) {
+		rc = errno;
+		goto out;
+	}
+	if (close(fd) < 0) {
+		rc = errno;
+		goto out;
+	}
+
+	rc = 160;
+
+out:
+	seccomp_release(ctx);
+	return (rc < 0 ? -rc : rc);
+}