toolbox: Make reboot a separate command from toolbox
Set the CAP_SYS_BOOT filesystem capability on the new reboot
command and keep CAP_SYS_BOOT in adb bounding set so that the
shell user can run it.
Change-Id: I1dd6143445ee2a952254f0452ab6e544318431dd
diff --git a/reboot/Android.mk b/reboot/Android.mk
new file mode 100644
index 0000000..4db0c1e
--- /dev/null
+++ b/reboot/Android.mk
@@ -0,0 +1,12 @@
+# Copyright 2013 The Android Open Source Project
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= reboot.c
+
+LOCAL_SHARED_LIBRARIES:= libcutils
+
+LOCAL_MODULE:= reboot
+
+include $(BUILD_EXECUTABLE)
diff --git a/reboot/reboot.c b/reboot/reboot.c
new file mode 100644
index 0000000..45d8a8e
--- /dev/null
+++ b/reboot/reboot.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <cutils/android_reboot.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[])
+{
+ int ret;
+ int nosync = 0;
+ int poweroff = 0;
+ int flags = 0;
+
+ opterr = 0;
+ do {
+ int c;
+
+ c = getopt(argc, argv, "np");
+
+ if (c == EOF) {
+ break;
+ }
+
+ switch (c) {
+ case 'n':
+ nosync = 1;
+ break;
+ case 'p':
+ poweroff = 1;
+ break;
+ case '?':
+ fprintf(stderr, "usage: %s [-n] [-p] [rebootcommand]\n", argv[0]);
+ exit(EXIT_FAILURE);
+ }
+ } while (1);
+
+ if(argc > optind + 1) {
+ fprintf(stderr, "%s: too many arguments\n", argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ if(nosync)
+ /* also set NO_REMOUNT_RO as remount ro includes an implicit sync */
+ flags = ANDROID_RB_FLAG_NO_SYNC | ANDROID_RB_FLAG_NO_REMOUNT_RO;
+
+ if(poweroff)
+ ret = android_reboot(ANDROID_RB_POWEROFF, flags, 0);
+ else if(argc > optind)
+ ret = android_reboot(ANDROID_RB_RESTART2, flags, argv[optind]);
+ else
+ ret = android_reboot(ANDROID_RB_RESTART, flags, 0);
+ if(ret < 0) {
+ perror("reboot");
+ exit(EXIT_FAILURE);
+ }
+ fprintf(stderr, "reboot returned\n");
+ return 0;
+}