From 2578b8c6c152a88a21931596cd0055d6607ecdcf Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Thu, 26 Sep 2019 06:54:24 +0200
Subject: Add more cancellation points to handle CTRL+C

---
 src/idevicerestore.c | 28 ++++++++++++++++++++++++++++
 src/normal.c         |  6 +++---
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/src/idevicerestore.c b/src/idevicerestore.c
index edb977c..9dc6ce8 100644
--- a/src/idevicerestore.c
+++ b/src/idevicerestore.c
@@ -1000,6 +1000,9 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 			}
 		}
 
+		if (client->flags & FLAG_QUIT) {
+			return -1;
+		}
 		if (get_tss_response(client, build_identity, &client->tss) < 0) {
 			error("ERROR: Unable to get SHSH blobs for this device\n");
 			return -1;
@@ -1019,6 +1022,11 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 		}
 	}
 
+	if (client->flags & FLAG_QUIT) {
+		if (delete_fs && filesystem)
+			unlink(filesystem);
+		return -1;
+	}
 	if (client->flags & FLAG_SHSHONLY) {
 		if (!tss_enabled) {
 			info("This device does not require a TSS record\n");
@@ -1073,6 +1081,11 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 		fixup_tss(client->tss);
 	}
 	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.25);
+	if (client->flags & FLAG_QUIT) {
+		if (delete_fs && filesystem)
+			unlink(filesystem);
+		return -1;
+	}
 
 	// if the device is in normal mode, place device into recovery mode
 	if (client->mode->index == MODE_NORMAL) {
@@ -1087,6 +1100,11 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 	}
 
 	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.3);
+	if (client->flags & FLAG_QUIT) {
+		if (delete_fs && filesystem)
+			unlink(filesystem);
+		return -1;
+	}
 
 	// if the device is in DFU mode, place device into recovery mode
 	if (client->mode->index == MODE_DFU) {
@@ -1148,6 +1166,11 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 		sleep(7);
 	}
 	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.5);
+	if (client->flags & FLAG_QUIT) {
+		if (delete_fs && filesystem)
+			unlink(filesystem);
+		return -1;
+	}
 
 	if (!client->image4supported && (client->build_major > 8)) {
 		// we need another tss request with nonce.
@@ -1192,6 +1215,11 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 		}
 	}
 	idevicerestore_progress(client, RESTORE_STEP_PREPARE, 0.7);
+	if (client->flags & FLAG_QUIT) {
+		if (delete_fs && filesystem)
+			unlink(filesystem);
+		return -1;
+	}
 
 	// now finally do the magic to put the device into restore mode
 	if (client->mode->index == MODE_RECOVERY) {
diff --git a/src/normal.c b/src/normal.c
index 14fa0f6..89ec462 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -238,14 +238,14 @@ int normal_enter_recovery(struct idevicerestore_client_t* client)
 	device = NULL;
 
 	debug("DEBUG: Waiting for device to disconnect...\n");
-	WAIT_FOR(client->mode != &idevicerestore_modes[MODE_NORMAL] || (client->flags & FLAG_QUIT), 30);
+	WAIT_FOR(client->mode != &idevicerestore_modes[MODE_NORMAL] || (client->flags & FLAG_QUIT), 60);
 	if (client->mode == &idevicerestore_modes[MODE_NORMAL] || (client->flags & FLAG_QUIT)) {
 		error("ERROR: Failed to place device in recovery mode\n");
 		return -1;
 	}
 
 	debug("DEBUG: Waiting for device to connect in recovery mode...\n");
-	WAIT_FOR(client->mode == &idevicerestore_modes[MODE_RECOVERY] || (client->flags & FLAG_QUIT), 30);
+	WAIT_FOR(client->mode == &idevicerestore_modes[MODE_RECOVERY] || (client->flags & FLAG_QUIT), 60);
 	if (client->mode != &idevicerestore_modes[MODE_RECOVERY] || (client->flags & FLAG_QUIT)) {
 		error("ERROR: Failed to enter recovery mode\n");
 		return -1;
@@ -425,7 +425,7 @@ int normal_handle_create_stashbag(struct idevicerestore_client_t* client, plist_
 	}
 
 	int ticks = 0;
-	while (ticks++ < 130) {
+	while (ticks++ < 130 && !(client->flags & FLAG_QUIT)) {
 		plist_t pl = NULL;
 		perr = preboard_receive_with_timeout(preboard, &pl, 1000);
 		if (perr == PREBOARD_E_TIMEOUT) {
-- 
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