From d0921e4b468500874773561a341cd662e3fb73fa Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Mon, 29 Aug 2022 03:52:54 +0200
Subject: restore: Add support for Cryptex1LocalPolicy firmware updater

---
 src/restore.c | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/restore.c b/src/restore.c
index 1a15959..30fccbe 100644
--- a/src/restore.c
+++ b/src/restore.c
@@ -2860,10 +2860,22 @@ static plist_t restore_get_cryptex1_firmware_data(restored_client_t restore, str
 	plist_t request = NULL;
 	plist_t response = NULL;
 
-	/* create Timer request */
+	plist_t p_updater_name = plist_dict_get_item(arguments, "MessageArgUpdaterName");
+	const char* s_updater_name = plist_get_string_ptr(p_updater_name, NULL);
+
+	plist_t device_generated_tags = plist_access_path(arguments, 2, "DeviceGeneratedTags", "ResponseTags");
+	const char* response_ticket = "Cryptex1,Ticket";
+	if (PLIST_IS_ARRAY(device_generated_tags)) {
+		plist_t tag0 = plist_array_get_item(device_generated_tags, 0);
+		if (tag0) {
+			response_ticket = plist_get_string_ptr(tag0, NULL);
+		}
+	}
+
+	/* create Cryptex1 request */
 	request = tss_request_new(NULL);
 	if (request == NULL) {
-		error("ERROR: Unable to create Cryptex1 TSS request\n");
+		error("ERROR: Unable to create %s TSS request\n", s_updater_name);
 		return NULL;
 	}
 
@@ -2875,7 +2887,7 @@ static plist_t restore_get_cryptex1_firmware_data(restored_client_t restore, str
 	plist_dict_set_item(parameters, "ApProductionMode", plist_new_bool(1));
 	plist_dict_set_item(parameters, "ApSecurityMode", plist_new_bool(1));
 
-	/* add Timer,* tags from info dictionary to parameters */
+	/* add tags from info dictionary to parameters */
 	plist_t device_generated_request = plist_dict_get_item(arguments, "DeviceGeneratedRequest");
 	if (!device_generated_request) {
 		error("ERROR: Could not find DeviceGeneratedRequest in arguments dictionary\n");
@@ -2894,18 +2906,19 @@ static plist_t restore_get_cryptex1_firmware_data(restored_client_t restore, str
 
 	plist_free(parameters);
 
-	info("Sending Cryptex1 TSS request...\n");
+	info("Sending %s TSS request...\n", s_updater_name);
 	response = tss_request_send(request, client->tss_url);
 	plist_free(request);
 	if (response == NULL) {
-		error("ERROR: Unable to fetch Cryptex1\n");
+		error("ERROR: Unable to fetch %s ticket\n", s_updater_name);
 		return NULL;
 	}
 
-	if (plist_dict_get_item(response, "Cryptex1,Ticket")) {
-		info("Received Cryptex1,Ticket\n");
+	if (plist_dict_get_item(response, response_ticket)) {
+		info("Received %s\n", response_ticket);
 	} else {
-		error("ERROR: No 'Cryptex1,Ticket' in TSS response, this might not work\n");
+		error("ERROR: No '%s' in TSS response, this might not work\n", response_ticket);
+		debug_plist(response);
 	}
 
 	return response;
@@ -3034,10 +3047,10 @@ static int restore_send_firmware_updater_data(restored_client_t restore, struct
 			error("ERROR: %s: Couldn't get AppleTypeCRetimer firmware data\n", __func__);
 			goto error_out;
 		}
-	} else if (strcmp(s_updater_name, "Cryptex1") == 0) {
+	} else if ((strcmp(s_updater_name, "Cryptex1") == 0) || (strcmp(s_updater_name, "Cryptex1LocalPolicy") == 0)) {
 		fwdict = restore_get_cryptex1_firmware_data(restore, client, build_identity, p_info, arguments);
 		if (fwdict == NULL) {
-			error("ERROR: %s: Couldn't get AppleTypeCRetimer firmware data\n", __func__);
+			error("ERROR: %s: Couldn't get %s firmware data\n", __func__, s_updater_name);
 			goto error_out;
 		}
 	} else {
-- 
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