1 files changed, 102 insertions, 0 deletions
diff --git a/tests/47-live-kill_process.c b/tests/47-live-kill_process.c
new file mode 100644
index 0000000..47d5833
--- /dev/null
+++ b/tests/47-live-kill_process.c
@@ -0,0 +1,102 @@
+/**
+ * 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 <pthread.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <seccomp.h>
+
+#include "util.h"
+
+
+static const unsigned int allowlist[] = {
+	SCMP_SYS(clone),
+	SCMP_SYS(exit),
+	SCMP_SYS(exit_group),
+	SCMP_SYS(futex),
+	SCMP_SYS(madvise),
+	SCMP_SYS(mmap),
+	SCMP_SYS(mprotect),
+	SCMP_SYS(munmap),
+	SCMP_SYS(nanosleep),
+	SCMP_SYS(set_robust_list),
+};
+
+/**
+ * Child thread created via pthread_create()
+ *
+ * This thread will call a disallowed syscall.  It should
+ * cause the entire program to die (and not just this
+ * thread.)
+ */
+void *child_start(void *param)
+{
+	int fd;
+
+	/* make a disallowed syscall */
+	fd = open("/dev/null", O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+	/* we should never get here.  seccomp should kill the entire
+	 * process when open() is called. */
+	if (fd >= 0)
+		close(fd);
+
+	return NULL;
+}
+
+int main(int argc, char *argv[])
+{
+	int rc, i;
+	scmp_filter_ctx ctx = NULL;
+	pthread_t child_thread;
+
+	ctx = seccomp_init(SCMP_ACT_KILL_PROCESS);
+	if (ctx == NULL)
+		return ENOMEM;
+
+	for (i = 0; i < sizeof(allowlist) / sizeof(allowlist[0]); i++) {
+		rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, allowlist[i], 0);
+		if (rc != 0)
+			goto out;
+	}
+
+	rc = seccomp_load(ctx);
+	if (rc != 0)
+		goto out;
+
+	rc = pthread_create(&child_thread, NULL, child_start, NULL);
+	if (rc != 0)
+		goto out;
+
+	/* sleep for a bit to ensure that the child thread has time to run */
+	sleep(1);
+
+	/* we should never get here! */
+	rc = -EACCES;
+	goto out;
+
+out:
+	seccomp_release(ctx);
+	return (rc < 0 ? -rc : rc);
+}