From 46b3fde00c3c1d895e6e289e236e92bb6c50e714 Mon Sep 17 00:00:00 2001
From: Benjamin BOURGEAIS
Date: Thu, 6 May 2021 17:23:07 +0200
Subject: Add an embedded empty local policy file

This file will be needed later by the stage 1 boot process.
---
 src/idevicerestore.c | 7 +++++++
 src/idevicerestore.h | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/src/idevicerestore.c b/src/idevicerestore.c
index 7653125..0ec3af4 100644
--- a/src/idevicerestore.c
+++ b/src/idevicerestore.c
@@ -137,6 +137,13 @@ static void usage(int argc, char* argv[], int err)
 }
 #endif
 
+const uint8_t lpol_file[22] = {
+		0x30, 0x14, 0x16, 0x04, 0x49, 0x4d, 0x34, 0x50,
+		0x16, 0x04,	0x6c, 0x70,	0x6f, 0x6c,	0x16, 0x03,
+		0x31, 0x2e, 0x30, 0x04,	0x01, 0x00
+};
+const uint32_t lpol_file_length = 22;
+
 static int idevicerestore_keep_pers = 0;
 
 static int load_version_data(struct idevicerestore_client_t* client)
diff --git a/src/idevicerestore.h b/src/idevicerestore.h
index d8e3440..65776c3 100644
--- a/src/idevicerestore.h
+++ b/src/idevicerestore.h
@@ -59,6 +59,11 @@ enum {
 	RESTORE_NUM_STEPS
 };
 
+// lpol_file has been extracted from the IMG4 dump of the ac2 usb protocol. It is not present in the .ipsw and
+// represents and empty "local policy". See https://support.apple.com/guide/security/contents-a-localpolicy-file-mac-apple-silicon-secc745a0845/web.
+extern const uint8_t lpol_file[22];
+extern const uint32_t lpol_file_length;
+
 typedef void (*idevicerestore_progress_cb_t)(int step, double step_progress, void* userdata);
 
 struct idevicerestore_client_t* idevicerestore_client_new(void);
-- 
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