Promote load_policy to android.

1 files changed, 37 insertions, 0 deletions

diff --git a/toys/android/load_policy.c b/toys/android/load_policy.c
new file mode 100644
index 00000000..aa59f36c
--- /dev/null
+++ b/toys/android/load_policy.c
@@ -0,0 +1,37 @@
+/* load_policy.c - Load a policy file
+ *
+ * Copyright 2015 The Android Open Source Project
+
+USE_LOAD_POLICY(NEWTOY(load_policy, "<1>1", TOYFLAG_USR|TOYFLAG_SBIN))
+
+config LOAD_POLICY
+  bool "load_policy"
+  depends on TOYBOX_SELINUX
+  default y
+  help
+    usage: load_policy FILE
+
+    Load the specified policy file.
+*/
+
+#define FOR_load_policy
+#include "toys.h"
+
+void load_policy_main(void)
+{
+  char *path = *toys.optargs;
+  char *policy_data = 0;
+  off_t policy_len;
+  int fd;
+
+  if ((fd = open(path, O_RDONLY)) != -1) {
+    policy_len = fdlength(fd);
+    policy_data = mmap(0, policy_len, PROT_READ, MAP_PRIVATE, fd, 0);
+    close(fd);
+  }
+
+  if (!policy_data || security_load_policy(policy_data, policy_len) < 0)
+    perror_exit("Couldn't %s %s: %s", policy_data ? "load" : "read", path);
+
+  munmap(policy_data, policy_len);
+}