dfu: Implement dfu_get_ecid() to fix connectivity issues from DFU mode

3 files changed, 26 insertions, 0 deletions

diff --git a/src/dfu.c b/src/dfu.c
index c580c72..3bdd419 100644
--- a/src/dfu.c
+++ b/src/dfu.c
@@ -253,6 +253,25 @@ int dfu_get_cpid(struct idevicerestore_client_t* client, unsigned int* cpid) {
 	return 0;
 }
 
+int dfu_get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid) {
+	irecv_error_t recovery_error = IRECV_E_SUCCESS;
+
+	if(client->dfu == NULL) {
+		if (dfu_client_new(client) < 0) {
+			return -1;
+		}
+	}
+
+	const struct irecv_device_info *device_info = irecv_get_device_info(client->dfu->client);
+	if (!device_info) {
+		return -1;
+	}
+
+	*ecid = device_info->ecid;
+
+	return 0;
+}
+
 int dfu_is_image4_supported(struct idevicerestore_client_t* client)
 {
 	if(client->dfu == NULL) {
diff --git a/src/dfu.h b/src/dfu.h
index 427754a..1d297bb 100644
--- a/src/dfu.h
+++ b/src/dfu.h
@@ -44,6 +44,7 @@ const char* dfu_check_product_type(struct idevicerestore_client_t* client);
 int dfu_send_buffer(struct idevicerestore_client_t* client, unsigned char* buffer, unsigned int size);
 int dfu_send_component(struct idevicerestore_client_t* client, plist_t build_identity, const char* component);
 int dfu_get_cpid(struct idevicerestore_client_t* client, unsigned int* cpid);
+int dfu_get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid);
 int dfu_is_image4_supported(struct idevicerestore_client_t* client);
 int dfu_get_ap_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
 int dfu_get_sep_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
diff --git a/src/idevicerestore.c b/src/idevicerestore.c
index dcd538e..d1db628 100644
--- a/src/idevicerestore.c
+++ b/src/idevicerestore.c
@@ -754,6 +754,7 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 
 	// if the device is in DFU mode, place device into recovery mode
 	if (client->mode->index == MODE_DFU) {
+		dfu_client_free(client);
 		recovery_client_free(client);
 		if ((client->flags & FLAG_CUSTOM) && limera1n_is_supported(client->device)) {
 			info("connecting to DFU\n");
@@ -1225,6 +1226,11 @@ int get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid) {
 		break;
 
 	case MODE_DFU:
+		if (dfu_get_ecid(client, ecid) < 0) {
+			*ecid = 0;
+			return -1;
+		}
+		break;
 	case MODE_RECOVERY:
 		if (recovery_get_ecid(client, ecid) < 0) {
 			*ecid = 0;