Make use of usbmuxd and remove libusb dependencies

Signed-off-by: Matt Colyer <matt@colyer.name>

13 files changed, 148 insertions, 825 deletions

diff --git a/src/AFC.c b/src/AFC.c
index e5fe526..71093df 100644
--- a/src/AFC.c
+++ b/src/AFC.c
@@ -20,7 +20,9 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <errno.h>
+#include <unistd.h>
 #include "AFC.h"
 #include "utils.h"
 
@@ -61,29 +63,28 @@ static void afc_unlock(iphone_afc_client_t client)
  * 
  * @return A handle to the newly-connected client or NULL upon error.
  */
-iphone_error_t iphone_afc_new_client(iphone_device_t device, int src_port, int dst_port, iphone_afc_client_t * client)
+iphone_error_t iphone_afc_new_client(iphone_device_t device, int dst_port, iphone_afc_client_t * client)
 {
-	int ret = IPHONE_E_SUCCESS;
-
 	//makes sure thread environment is available
 	if (!g_thread_supported())
 		g_thread_init(NULL);
-	iphone_afc_client_t client_loc = (iphone_afc_client_t) malloc(sizeof(struct iphone_afc_client_int));
 
 	if (!device)
 		return IPHONE_E_INVALID_ARG;
 
 	// Attempt connection
-	client_loc->connection = NULL;
-	ret = iphone_mux_new_client(device, src_port, dst_port, &client_loc->connection);
-	if (IPHONE_E_SUCCESS != ret || !client_loc->connection) {
-		free(client_loc);
-		return ret;
+	int sfd = usbmuxd_connect(device->handle, dst_port);
+	if (sfd < 0) {
+		return IPHONE_E_UNKNOWN_ERROR; // ret;
 	}
+
+	iphone_afc_client_t client_loc = (iphone_afc_client_t) malloc(sizeof(struct iphone_afc_client_int));
+	client_loc->sfd = sfd;
+
 	// Allocate a packet
 	client_loc->afc_packet = (AFCPacket *) malloc(sizeof(AFCPacket));
 	if (!client_loc->afc_packet) {
-		iphone_mux_free_client(client_loc->connection);
+		usbmuxd_disconnect(client_loc->sfd);
 		free(client_loc);
 		return IPHONE_E_UNKNOWN_ERROR;
 	}
@@ -106,10 +107,10 @@ iphone_error_t iphone_afc_new_client(iphone_device_t device, int src_port, int d
  */
 iphone_error_t iphone_afc_free_client(iphone_afc_client_t client)
 {
-	if (!client || !client->connection || !client->afc_packet)
+	if (!client || client->sfd < 0 || !client->afc_packet)
 		return IPHONE_E_INVALID_ARG;
 
-	iphone_mux_free_client(client->connection);
+	usbmuxd_disconnect(client->sfd);
 	free(client->afc_packet);
 	if (client->mutex) {
 		g_mutex_free(client->mutex);
@@ -217,7 +218,7 @@ static int dispatch_AFC_packet(iphone_afc_client_t client, const char *data, int
 	int bytes = 0, offset = 0;
 	char *buffer;
 
-	if (!client || !client->connection || !client->afc_packet)
+	if (!client || client->sfd < 0 || !client->afc_packet)
 		return 0;
 	if (!data || !length)
 		length = 0;
@@ -248,7 +249,7 @@ static int dispatch_AFC_packet(iphone_afc_client_t client, const char *data, int
 			return -1;
 		}
 		memcpy(buffer + sizeof(AFCPacket), data, offset);
-		iphone_mux_send(client->connection, buffer, client->afc_packet->this_length, (uint32_t*)&bytes);
+		usbmuxd_send(client->sfd, buffer, client->afc_packet->this_length, (uint32_t*)&bytes);
 		free(buffer);
 		if (bytes <= 0) {
 			return bytes;
@@ -259,7 +260,7 @@ static int dispatch_AFC_packet(iphone_afc_client_t client, const char *data, int
 		log_debug_msg("Buffer: \n");
 		log_debug_buffer(data + offset, length - offset);
 
-		iphone_mux_send(client->connection, data + offset, length - offset, (uint32_t*)&bytes);
+		usbmuxd_send(client->sfd, data + offset, length - offset, (uint32_t*)&bytes);
 		return bytes;
 	} else {
 		log_debug_msg("dispatch_AFC_packet doin things the old way\n");
@@ -273,7 +274,7 @@ static int dispatch_AFC_packet(iphone_afc_client_t client, const char *data, int
 		}
 		log_debug_buffer(buffer, client->afc_packet->this_length);
 		log_debug_msg("\n");
-		iphone_mux_send(client->connection, buffer, client->afc_packet->this_length, (uint32_t*)&bytes);
+		usbmuxd_send(client->sfd, buffer, client->afc_packet->this_length, (uint32_t*)&bytes);
 
 		if (buffer) {
 			free(buffer);
@@ -307,7 +308,7 @@ static int receive_AFC_data(iphone_afc_client_t client, char **dump_here)
 	client->afcerror = 0;
 
 	// first, read the AFC header
-	iphone_mux_recv(client->connection, (char*)&header, sizeof(AFCPacket), (uint32_t*)&bytes);
+	usbmuxd_recv(client->sfd, (char*)&header, sizeof(AFCPacket), (uint32_t*)&bytes);
 	if (bytes <= 0) {
 		log_debug_msg("%s: Just didn't get enough.\n", __func__);
 		*dump_here = NULL;
@@ -359,24 +360,26 @@ static int receive_AFC_data(iphone_afc_client_t client, char **dump_here)
 	}
 
 	*dump_here = (char*)malloc(entire_len);
-	iphone_mux_recv(client->connection, *dump_here, this_len, (uint32_t*)&bytes);
-	if (bytes <= 0) {
-		free(*dump_here);
-		*dump_here = NULL;
-		log_debug_msg("%s: Did not get packet contents!\n", __func__);
-		return -1;
-	} else if ((uint32_t)bytes < this_len) {
-		free(*dump_here);
-		*dump_here = NULL;
-		log_debug_msg("%s: Could not receive this_len=%d bytes\n", __func__, this_len);
-		return -1;
+	if (this_len > 0) {
+		usbmuxd_recv(client->sfd, *dump_here, this_len, (uint32_t*)&bytes);
+		if (bytes <= 0) {
+			free(*dump_here);
+			*dump_here = NULL;
+			log_debug_msg("%s: Did not get packet contents!\n", __func__);
+			return -1;
+		} else if ((uint32_t)bytes < this_len) {
+			free(*dump_here);
+			*dump_here = NULL;
+			log_debug_msg("%s: Could not receive this_len=%d bytes\n", __func__, this_len);
+			return -1;
+		}
 	}
 
 	current_count = this_len;
 
 	if (entire_len > this_len) {
 		while (current_count < entire_len) {
-			iphone_mux_recv(client->connection, (*dump_here)+current_count, entire_len - current_count, (uint32_t*)&bytes);
+			usbmuxd_recv(client->sfd, (*dump_here)+current_count, entire_len - current_count, (uint32_t*)&bytes);
 			if (bytes <= 0) {
 				log_debug_msg("%s: Error receiving data (recv returned %d)\n", __func__, bytes);
 				break;
@@ -559,7 +562,7 @@ iphone_error_t iphone_afc_delete_file(iphone_afc_client_t client, const char *pa
 	char *response = NULL;
 	int bytes;
 
-	if (!client || !path || !client->afc_packet || !client->connection)
+	if (!client || !path || !client->afc_packet || client->sfd < 0)
 		return IPHONE_E_INVALID_ARG;
 
 	afc_lock(client);
@@ -600,7 +603,7 @@ iphone_error_t iphone_afc_rename_file(iphone_afc_client_t client, const char *fr
 	char *send = (char *) malloc(sizeof(char) * (strlen(from) + strlen(to) + 1 + sizeof(uint32_t)));
 	int bytes = 0;
 
-	if (!client || !from || !to || !client->afc_packet || !client->connection)
+	if (!client || !from || !to || !client->afc_packet || client->sfd < 0)
 		return IPHONE_E_INVALID_ARG;
 
 	afc_lock(client);
@@ -748,7 +751,7 @@ iphone_error_t iphone_afc_get_file_attr(iphone_afc_client_t client, const char *
 {
 
 	iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
-	if (!client || !client->connection || !client->afc_packet || !stbuf)
+	if (!client || client->sfd < 0 || !client->afc_packet || !stbuf)
 		return IPHONE_E_INVALID_ARG;
 
 	memset(stbuf, 0, sizeof(struct stat));
@@ -793,7 +796,7 @@ iphone_afc_open_file(iphone_afc_client_t client, const char *filename,
 	int bytes = 0, length = 0;
 	char *data = (char *) malloc(sizeof(char) * (8 + strlen(filename) + 1));
 
-	if (!client || !client->connection || !client->afc_packet)
+	if (!client || client->sfd < 0|| !client->afc_packet)
 		return IPHONE_E_INVALID_ARG;
 
 	afc_lock(client);
@@ -851,7 +854,7 @@ iphone_afc_read_file(iphone_afc_client_t client, iphone_afc_file_t file, char *d
 	int current_count = 0, bytes_loc = 0;
 	const int MAXIMUM_READ_SIZE = 1 << 16;
 
-	if (!client || !client->afc_packet || !client->connection || !file)
+	if (!client || !client->afc_packet || client->sfd < 0 || !file)
 		return IPHONE_E_INVALID_ARG;
 	log_debug_msg("afc_read_file called for length %i\n", length);
 
@@ -926,7 +929,7 @@ iphone_afc_write_file(iphone_afc_client_t client, iphone_afc_file_t file,
 	int bytes_loc = 0;
 	char *out_buffer = NULL;
 
-	if (!client || !client->afc_packet || !client->connection || !file || !bytes)
+	if (!client || !client->afc_packet || client->sfd < 0 || !file || !bytes)
 		return IPHONE_E_INVALID_ARG;
 
 	afc_lock(client);
@@ -1219,7 +1222,7 @@ iphone_error_t iphone_afc_truncate(iphone_afc_client_t client, const char *path,
 	int bytes = 0;
 	uint64_t size_requested = newsize;
 
-	if (!client || !path || !client->afc_packet || !client->connection)
+	if (!client || !path || !client->afc_packet || client->sfd < 0)
 		return IPHONE_E_INVALID_ARG;
 
 	afc_lock(client);
diff --git a/src/AFC.h b/src/AFC.h
index 41b4d67..5827518 100644
--- a/src/AFC.h
+++ b/src/AFC.h
@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
  */
 
-#include "usbmux.h"
+#include "libiphone/libiphone.h"
 #include "iphone.h"
 
 #include <string.h>
@@ -47,7 +47,7 @@ typedef struct __AFCToken {
 } AFCToken;
 
 struct iphone_afc_client_int {
-	iphone_umux_client_t connection;
+	int sfd;
 	AFCPacket *afc_packet;
 	int file_handle;
 	int lock;
diff --git a/src/Makefile.am b/src/Makefile.am
index 2ae1943..5489684 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,11 +1,10 @@
 INCLUDES = -I$(top_srcdir)/include
 
-AM_CFLAGS = $(GLOBAL_CFLAGS) $(libusb_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) $(libplist_CFLAGS) $(LFS_CFLAGS)
-AM_LDFLAGS = $(libusb_LIBS) $(libglib2_LIBS) $(libgnutls_LIBS) $(libtasn1_LIBS) $(libgthread2_LIBS) $(libplist_LIBS)
+AM_CFLAGS = $(GLOBAL_CFLAGS) $(libusbmuxd_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) $(libplist_CFLAGS) $(LFS_CFLAGS)
+AM_LDFLAGS = $(libglib2_LIBS) $(libgnutls_LIBS) $(libtasn1_LIBS) $(libgthread2_LIBS) $(libplist_LIBS) $(libusbmuxd_LIBS)
 
 lib_LTLIBRARIES = libiphone.la
-libiphone_la_SOURCES = usbmux.c usbmux.h \
-		       iphone.c iphone.h \
+libiphone_la_SOURCES = iphone.c iphone.h \
 		       lockdown.c lockdown.h\
 		       AFC.c AFC.h\
 		       NotificationProxy.c NotificationProxy.h\
diff --git a/src/MobileSync.c b/src/MobileSync.c
index 58d0beb..7d6e947 100644
--- a/src/MobileSync.c
+++ b/src/MobileSync.c
@@ -22,29 +22,30 @@
 #include "MobileSync.h"
 #include <plist/plist.h>
 #include <string.h>
+#include <stdlib.h>
 #include <arpa/inet.h>
 
 
 #define MSYNC_VERSION_INT1 100
 #define MSYNC_VERSION_INT2 100
 
-iphone_error_t iphone_msync_new_client(iphone_device_t device, int src_port, int dst_port,
+iphone_error_t iphone_msync_new_client(iphone_device_t device, int dst_port,
 									   iphone_msync_client_t * client)
 {
-	if (!device || src_port == 0 || dst_port == 0 || !client || *client)
+	if (!device || dst_port == 0 || !client || *client)
 		return IPHONE_E_INVALID_ARG;
 
 	iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
 
-	iphone_msync_client_t client_loc = (iphone_msync_client_t) malloc(sizeof(struct iphone_msync_client_int));
-
 	// Attempt connection
-	client_loc->connection = NULL;
-	ret = iphone_mux_new_client(device, src_port, dst_port, &client_loc->connection);
-	if (IPHONE_E_SUCCESS != ret || !client_loc->connection) {
-		free(client_loc);
+	int sfd = usbmuxd_connect(device->handle, dst_port);
+	if (sfd < 0) {
 		return ret;
 	}
+
+	iphone_msync_client_t client_loc = (iphone_msync_client_t) malloc(sizeof(struct iphone_msync_client_int));
+	client_loc->sfd = sfd;
+
 	//perform handshake
 	plist_t array = NULL;
 
@@ -120,7 +121,7 @@ iphone_error_t iphone_msync_free_client(iphone_msync_client_t client)
 		return IPHONE_E_INVALID_ARG;
 
 	iphone_msync_stop_session(client);
-	return iphone_mux_free_client(client->connection);
+	return usbmuxd_disconnect(client->sfd);
 }
 
 /** Polls the iPhone for MobileSync data.
@@ -138,14 +139,14 @@ iphone_error_t iphone_msync_recv(iphone_msync_client_t client, plist_t * plist)
 	char *receive = NULL;
 	uint32_t datalen = 0, bytes = 0, received_bytes = 0;
 
-	ret = iphone_mux_recv(client->connection, (char *) &datalen, sizeof(datalen), &bytes);
+	ret = usbmuxd_recv(client->sfd, (char *) &datalen, sizeof(datalen), &bytes);
 	datalen = ntohl(datalen);
 
 	receive = (char *) malloc(sizeof(char) * datalen);
 
 	/* fill buffer and request more packets if needed */
 	while ((received_bytes < datalen) && (ret == IPHONE_E_SUCCESS)) {
-		ret = iphone_mux_recv(client->connection, receive + received_bytes, datalen - received_bytes, &bytes);
+		ret = usbmuxd_recv(client->sfd, receive + received_bytes, datalen - received_bytes, &bytes);
 		received_bytes += bytes;
 	}
 
@@ -201,7 +202,7 @@ iphone_error_t iphone_msync_send(iphone_msync_client_t client, plist_t plist)
 	memcpy(real_query, &length, sizeof(length));
 	memcpy(real_query + 4, content, ntohl(length));
 
-	ret = iphone_mux_send(client->connection, real_query, ntohl(length) + sizeof(length), &bytes);
+	ret = usbmuxd_send(client->sfd, real_query, ntohl(length) + sizeof(length), (uint32_t*)&bytes);
 	free(real_query);
 	return ret;
 }
diff --git a/src/MobileSync.h b/src/MobileSync.h
index 7655b59..495e702 100644
--- a/src/MobileSync.h
+++ b/src/MobileSync.h
@@ -21,7 +21,6 @@
 #ifndef MOBILESYNC_H
 #define MOBILESYNC_H
 
-#include "usbmux.h"
 #include "iphone.h"
 #include "utils.h"
 
@@ -30,7 +29,7 @@
 
 
 struct iphone_msync_client_int {
-	iphone_umux_client_t connection;
+	int sfd;
 };
 
 
diff --git a/src/NotificationProxy.c b/src/NotificationProxy.c
index d8bcc34..6fc048c 100644
--- a/src/NotificationProxy.c
+++ b/src/NotificationProxy.c
@@ -21,6 +21,7 @@
 
 #include <string.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <arpa/inet.h>
 #include <plist/plist.h>
 #include "NotificationProxy.h"
@@ -79,9 +80,9 @@ static iphone_error_t np_plist_send(iphone_np_client_t client, plist_t dict)
 	}
 
 	nlen = htonl(length);
-	iphone_mux_send(client->connection, (const char*)&nlen, sizeof(nlen), (uint32_t*)&bytes);
+	usbmuxd_send(client->sfd, (const char*)&nlen, sizeof(nlen), (uint32_t*)&bytes);
 	if (bytes == sizeof(nlen)) {
-		iphone_mux_send(client->connection, XML_content, length, (uint32_t*)&bytes);
+		usbmuxd_send(client->sfd, XML_content, length, (uint32_t*)&bytes);
 		if (bytes > 0) {
 			if ((uint32_t)bytes == length) {
 				res = IPHONE_E_SUCCESS;
@@ -107,26 +108,24 @@ static iphone_error_t np_plist_send(iphone_np_client_t client, plist_t dict)
  * 
  * @return A handle to the newly-connected client or NULL upon error.
  */
-iphone_error_t iphone_np_new_client ( iphone_device_t device, int src_port, int dst_port, iphone_np_client_t *client )
+iphone_error_t iphone_np_new_client ( iphone_device_t device, int dst_port, iphone_np_client_t *client )
 {
-	int ret = IPHONE_E_SUCCESS;
-
 	//makes sure thread environment is available
 	if (!g_thread_supported())
 		g_thread_init(NULL);
-	iphone_np_client_t client_loc = (iphone_np_client_t) malloc(sizeof(struct iphone_np_client_int));
 
 	if (!device)
 		return IPHONE_E_INVALID_ARG;
 
 	// Attempt connection
-	client_loc->connection = NULL;
-	ret = iphone_mux_new_client(device, src_port, dst_port, &client_loc->connection);
-	if (IPHONE_E_SUCCESS != ret || !client_loc->connection) {
-		free(client_loc);
-		return ret;
+	int sfd = usbmuxd_connect(device->handle, dst_port);
+	if (sfd < 0) {
+		return IPHONE_E_UNKNOWN_ERROR; //ret;
 	}
 
+	iphone_np_client_t client_loc = (iphone_np_client_t) malloc(sizeof(struct iphone_np_client_int));
+	client_loc->sfd = sfd;
+
 	client_loc->mutex = g_mutex_new();
 
 	client_loc->notifier = NULL;
@@ -144,13 +143,11 @@ iphone_error_t iphone_np_free_client ( iphone_np_client_t client )
 	if (!client)
 		return IPHONE_E_INVALID_ARG;
 
-	if (client->connection) {
-		iphone_mux_free_client(client->connection);
-		client->connection = NULL;
-		if (client->notifier) {
-			log_debug_msg("joining np callback\n");
-			g_thread_join(client->notifier);
-		}
+	usbmuxd_disconnect(client->sfd);
+	client->sfd = -1;
+	if (client->notifier) {
+		log_debug_msg("joining np callback\n");
+		g_thread_join(client->notifier);
 	}
 	if (client->mutex) {
 		g_mutex_free(client->mutex);
@@ -295,13 +292,13 @@ iphone_error_t iphone_np_get_notification( iphone_np_client_t client, char **not
 	char *XML_content = NULL;
 	plist_t dict = NULL;
 
-	if (!client || !client->connection || *notification) {
+	if (!client || client->sfd < 0 || *notification) {
 		return IPHONE_E_INVALID_ARG;
 	}
 
 	np_lock(client);
 
-	iphone_mux_recv_timeout(client->connection, (char*)&pktlen, sizeof(pktlen), &bytes, 500);
+	usbmuxd_recv_timeout(client->sfd, (char*)&pktlen, sizeof(pktlen), &bytes, 500);
 	log_debug_msg("NotificationProxy: initial read=%i\n", bytes);
 	if (bytes < 4) {
 		log_debug_msg("NotificationProxy: no notification received!\n");
@@ -313,7 +310,7 @@ iphone_error_t iphone_np_get_notification( iphone_np_client_t client, char **not
 			XML_content = (char*)malloc(pktlen);
 			log_debug_msg("pointer %p\n", XML_content);
 
-			iphone_mux_recv_timeout(client->connection, XML_content, pktlen, &bytes, 1000);
+			usbmuxd_recv_timeout(client->sfd, XML_content, pktlen, &bytes, 1000);
 			if (bytes <= 0) {
 				res = IPHONE_E_UNKNOWN_ERROR;
 			} else {
@@ -393,7 +390,7 @@ gpointer iphone_np_notifier( gpointer arg )
 	if (!npt) return NULL;
 
 	log_debug_msg("%s: starting callback.\n", __func__);
-	while (npt->client->connection) {
+	while (npt->client->sfd >= 0) {
 		iphone_np_get_notification(npt->client, &notification);
 		if (notification) {
 			npt->cbfunc(notification);
@@ -432,11 +429,11 @@ iphone_error_t iphone_np_set_notify_callback( iphone_np_client_t client, iphone_
 	np_lock(client);
 	if (client->notifier) {
 		log_debug_msg("%s: callback already set, removing\n");
-		iphone_umux_client_t conn = client->connection;
-		client->connection = NULL;
+		int conn = client->sfd;
+		client->sfd = -1;
 		g_thread_join(client->notifier);
 		client->notifier = NULL;
-		client->connection = conn;
+		client->sfd = conn;
 	}
 
 	if (notify_cb) {
diff --git a/src/NotificationProxy.h b/src/NotificationProxy.h
index 3552b79..afae98a 100644
--- a/src/NotificationProxy.h
+++ b/src/NotificationProxy.h
@@ -19,13 +19,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
  */
 #include "libiphone/libiphone.h"
-#include "usbmux.h"
 #include "iphone.h"
 
 #include <glib.h>
 
 struct iphone_np_client_int {
-	iphone_umux_client_t connection;
+	int sfd;
 	GMutex *mutex;
 	GThread *notifier;
 };
diff --git a/src/iphone.c b/src/iphone.c
index 9dd3c07..9551173 100644
--- a/src/iphone.c
+++ b/src/iphone.c
@@ -19,200 +19,85 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
  */
 
-#include "usbmux.h"
 #include "iphone.h"
 #include "utils.h"
-#include <arpa/inet.h>
-#include <usb.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <errno.h>
+#include <libiphone/libiphone.h>
 
 /**
- * This function sets the configuration of the given device to 3
- * and claims the interface 1. If usb_set_configuration fails, it detaches
- * the kernel driver that blocks the device, and retries configuration.
+ * Retrieves a list of connected devices from usbmuxd and matches their
+ * UUID with the given UUID. If the given UUID is NULL then the first
+ * device reported by usbmuxd is used.
  *
- * @param phone which device to configure
- */
-static void iphone_config_usb_device(iphone_device_t phone)
-{
-	int ret;
-	int bytes;
-	unsigned char buf[512];
-
-	log_debug_msg("setting configuration... ");
-	ret = usb_set_configuration(phone->device, 3);
-	if (ret != 0) {
-		log_debug_msg("Hm, usb_set_configuration returned %d: %s, trying to fix:\n", ret, strerror(-ret));
-		log_debug_msg("-> detaching kernel driver... ");
-		ret =
-			usb_detach_kernel_driver_np(phone->device,
-										phone->__device->config->interface->altsetting->bInterfaceNumber);
-		if (ret != 0) {
-			log_debug_msg("usb_detach_kernel_driver_np returned %d: %s\n", ret, strerror(-ret));
-		} else {
-			log_debug_msg("done.\n");
-			log_debug_msg("setting configuration again... ");
-			ret = usb_set_configuration(phone->device, 3);
-			if (ret != 0) {
-				log_debug_msg("Error: usb_set_configuration returned %d: %s\n", ret, strerror(-ret));
-			} else {
-				log_debug_msg("done.\n");
-			}
-		}
-	} else {
-		log_debug_msg("done.\n");
-	}
-
-	log_debug_msg("claiming interface... ");
-	ret = usb_claim_interface(phone->device, 1);
-	if (ret != 0) {
-		log_debug_msg("Error: usb_claim_interface returned %d: %s\n", ret, strerror(-ret));
-	} else {
-		log_debug_msg("done.\n");
-	}
-
-	do {
-		bytes = usb_bulk_read(phone->device, BULKIN, (void *) &buf, 512, 800);
-		if (bytes > 0) {
-			log_debug_msg("iphone_config_usb_device: initial read returned %d bytes of data.\n", bytes);
-			log_debug_buffer(buf, bytes);
-		}
-	} while (bytes > 0);
-}
-
-/**
- * Given a USB bus and device number, returns a device handle to the iPhone on
- * that bus. To aid compatibility with future devices, this function does not
- * check the vendor and device IDs! To do that, you should use
- * iphone_get_device() or a system-specific API (e.g. HAL).
+ * @param device Upon calling this function, a pointer to a location of type
+ *  iphone_device_t, which must have the value NULL. On return, this location
+ *  will be filled with a handle to the device.
+ * @param uuid The UUID to match.
  *
- * @param bus_n The USB bus number.
- * @param dev_n The USB device number.
- * @param device A pointer to a iphone_device_t, which must be set to NULL upon
- *      calling iphone_get_specific_device, which will be filled with a device
- *      descriptor on return. 
  * @return IPHONE_E_SUCCESS if ok, otherwise an error code.
  */
-iphone_error_t iphone_get_specific_device(unsigned int bus_n, int dev_n, iphone_device_t * device)
+iphone_error_t iphone_get_device_by_uuid(iphone_device_t * device, const char *uuid)
 {
-	struct usb_bus *bus, *busses;
-	struct usb_device *dev;
-	usbmux_version_header *version;
-	int bytes = 0;
-
-	//check we can actually write in device
-	if (!device || (device && *device))
-		return IPHONE_E_INVALID_ARG;
-
-	iphone_device_t phone = (iphone_device_t) malloc(sizeof(struct iphone_device_int));
+	iphone_device_t phone;
+	uint32_t handle = 0;
+	usbmuxd_scan_result *dev_list = NULL;
+	int i;
 
-	// Initialize the struct
-	phone->device = NULL;
-	phone->__device = NULL;
-	phone->buffer = NULL;
-
-	// Initialize libusb
-	usb_init();
-	usb_find_busses();
-	usb_find_devices();
-	busses = usb_get_busses();
-
-	// Set the device configuration
-	for (bus = busses; bus; bus = bus->next)
-		if (strtoul(bus->dirname, NULL, 10) == bus_n)
-			for (dev = bus->devices; dev != NULL; dev = dev->next)
-				if (strtol(dev->filename, NULL, 10) == dev_n) {
-					phone->__device = dev;
-					phone->device = usb_open(phone->__device);
-					iphone_config_usb_device(phone);
-					goto found;
+	if (usbmuxd_scan(&dev_list) < 0) {
+		log_debug_msg("%s: usbmuxd_scan returned an error, is usbmuxd running?\n", __func__);
+	}
+	if (dev_list && dev_list[0].handle > 0) {
+		if (!uuid) {
+			// select first device found if no UUID specified
+			handle = dev_list[0].handle;
+		} else {
+			// otherwise walk through the list
+			for (i = 0; dev_list[i].handle > 0; i++) {
+				log_debug_msg("%s: device handle=%d, uuid=%s\n", __func__, dev_list[i].handle, dev_list[i].serial_number);
+				if (strcasecmp(uuid, dev_list[i].serial_number) == 0) {
+					handle = dev_list[i].handle;
+					break;
 				}
-
-	iphone_free_device(phone);
-
-	log_debug_msg("iphone_get_specific_device: iPhone not found\n");
-	return IPHONE_E_NO_DEVICE;
-
-  found:
-	// Send the version command to the phone
-	version = version_header();
-	bytes = usb_bulk_write(phone->device, BULKOUT, (char *) version, sizeof(*version), 800);
-	if (bytes < 20) {
-		log_debug_msg("get_iPhone(): libusb did NOT send enough!\n");
-		if (bytes < 0) {
-			log_debug_msg("get_iPhone(): libusb gave me the error %d: %s (%s)\n",
-						  bytes, usb_strerror(), strerror(-bytes));
+			}
 		}
-	}
-	// Read the phone's response
-	bytes = usb_bulk_read(phone->device, BULKIN, (char *) version, sizeof(*version), 800);
+		free(dev_list);
 
-	// Check for bad response
-	if (bytes < 20) {
-		free(version);
-		iphone_free_device(phone);
-		log_debug_msg("get_iPhone(): Invalid version message -- header too short.\n");
-		if (bytes < 0)
-			log_debug_msg("get_iPhone(): libusb error message %d: %s (%s)\n", bytes, usb_strerror(), strerror(-bytes));
-		return IPHONE_E_NOT_ENOUGH_DATA;
-	}
-	// Check for correct version
-	if (ntohl(version->major) == 1 && ntohl(version->minor) == 0) {
-		// We're all ready to roll.
-		log_debug_msg("get_iPhone() success\n");
-		free(version);
-		*device = phone;
-		return IPHONE_E_SUCCESS;
-	} else {
-		// Bad header
-		log_debug_msg("get_iPhone(): Received a bad header/invalid version number.\n");
-		log_debug_buffer((char *) version, sizeof(*version));
-		iphone_free_device(phone);
-		free(version);
-		return IPHONE_E_BAD_HEADER;
+		if (handle > 0) {
+			phone = (iphone_device_t) malloc(sizeof(struct iphone_device_int));
+			phone->handle = handle;
+			*device = phone;
+			return IPHONE_E_SUCCESS;
+		}
 	}
 
-	// If it got to this point it's gotta be bad
-	log_debug_msg("get_iPhone(): Unknown error.\n");
-	iphone_free_device(phone);
-	free(version);
-	return IPHONE_E_UNKNOWN_ERROR;	// if it got to this point it's gotta be bad
+	return IPHONE_E_NO_DEVICE;
 }
 
 /**
- * Scans all USB busses and devices for a known AFC-compatible device and
- * returns a handle to the first such device it finds. Known devices include
- * those with vendor ID 0x05ac and product ID between 0x1290 and 0x1293
- * inclusive.
+ * This function has the purpose to retrieve a handle to the first
+ *  attached iPhone/iPod reported by usbmuxd.
  *
- * This function is convenient, but on systems where higher-level abstractions
- * (such as HAL) are available it may be preferable to use
- * iphone_get_specific_device instead, because it can deal with multiple
- * connected devices as well as devices not known to libiphone.
- * 
- * @param device Upon calling this function, a pointer to a location of type
+ * @param Upon calling this function, a pointer to a location of type
  *  iphone_device_t, which must have the value NULL. On return, this location
  *  will be filled with a handle to the device.
+ *
  * @return IPHONE_E_SUCCESS if ok, otherwise an error code.
  */
 iphone_error_t iphone_get_device(iphone_device_t * device)
 {
-	struct usb_bus *bus;
-	struct usb_device *dev;
-
-	usb_init();
-	usb_find_busses();
-	usb_find_devices();
-
-	for (bus = usb_get_busses(); bus != NULL; bus = bus->next)
-		for (dev = bus->devices; dev != NULL; dev = dev->next)
-			if (dev->descriptor.idVendor == 0x05ac
-				&& dev->descriptor.idProduct >= 0x1290 && dev->descriptor.idProduct <= 0x1293)
-				return iphone_get_specific_device(strtoul(bus->dirname, NULL, 10), strtol(dev->filename, NULL, 10), device);
+	return iphone_get_device_by_uuid(device, NULL);
+}
 
-	return IPHONE_E_NO_DEVICE;
+uint32_t iphone_get_device_handle(iphone_device_t device)
+{
+	if (device) {
+		return device->handle;
+	} else {
+		return 0;
+	}
 }
 
 /** Cleans up an iPhone structure, then frees the structure itself.  
@@ -226,88 +111,10 @@ iphone_error_t iphone_free_device(iphone_device_t device)
 	if (!device)
 		return IPHONE_E_INVALID_ARG;
 	iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
-	int bytes;
-	unsigned char buf[512];
 
-	// read final package(s)
-	if (device->device != NULL) {
-		do {
-			bytes = usb_bulk_read(device->device, BULKIN, (void *) &buf, 512, 800);
-			if (bytes > 0) {
-				log_debug_msg("iphone_free_device: final read returned\n");
-				log_debug_buffer(buf, bytes);
-			}
-		} while (bytes > 0);
-	}
+	ret = IPHONE_E_SUCCESS;
 
-	if (device->buffer) {
-		free(device->buffer);
-	}
-	if (device->device) {
-		usb_release_interface(device->device, 1);
-		usb_close(device->device);
-		ret = IPHONE_E_SUCCESS;
-	}
 	free(device);
 	return ret;
 }
 
-/** Sends data to the phone
- * This is a low-level (i.e. directly to phone) function.
- * 
- * @param phone The iPhone to send data to
- * @param data The data to send to the iPhone
- * @param datalen The length of the data
- * @return The number of bytes sent, or -1 on error or something.
- */
-int send_to_phone(iphone_device_t phone, char *data, int datalen)
-{
-	if (!phone)
-		return -1;
-	int bytes = 0;
-
-	if (!phone)
-		return -1;
-	log_debug_msg("send_to_phone: Attempting to send datalen = %i data = %p\n", datalen, data);
-
-	bytes = usb_bulk_write(phone->device, BULKOUT, data, datalen, 800);
-	if (bytes < datalen) {
-		if (bytes < 0)
-			log_debug_msg("send_to_iphone(): libusb gave me the error %d: %s - %s\n", bytes, usb_strerror(),
-						  strerror(-bytes));
-		return -1;
-	} else {
-		return bytes;
-	}
-	/* Should not be reached */
-	return -1;
-}
-
-/** This function is a low-level (i.e. direct to iPhone) function.
- * 
- * @param phone The iPhone to receive data from
- * @param data Where to put data read
- * @param datalen How much data to read in
- * @param timeout How many milliseconds to wait for data
- * 
- * @return How many bytes were read in, or -1 on error.
- */
-int recv_from_phone(iphone_device_t phone, char *data, int datalen, int timeout)
-{
-	if (!phone)
-		return -1;
-	int bytes = 0;
-
-	if (!phone)
-		return -1;
-	log_debug_msg("recv_from_phone(): attempting to receive %i bytes\n", datalen);
-
-	bytes = usb_bulk_read(phone->device, BULKIN, data, datalen, timeout);
-	if (bytes < 0) {
-		log_debug_msg("recv_from_phone(): libusb gave me the error %d: %s (%s)\n", bytes, usb_strerror(),
-					  strerror(-bytes));
-		return -1;
-	}
-
-	return bytes;
-}
diff --git a/src/iphone.h b/src/iphone.h
index 15515e3..94d2f9f 100644
--- a/src/iphone.h
+++ b/src/iphone.h
@@ -22,24 +22,11 @@
 #ifndef IPHONE_H
 #define IPHONE_H
 
-#ifndef USBMUX_H
-#include "usbmux.h"
-#warning usbmux not included?
-#endif
-
-#include <usb.h>
-#include <libiphone/libiphone.h>
-
-#define BULKIN 0x85
-#define BULKOUT 0x04
+#include <stdint.h>
 
 struct iphone_device_int {
 	char *buffer;
-	struct usb_dev_handle *device;
-	struct usb_device *__device;
+	uint32_t handle;
 };
 
-// Function definitions
-int send_to_phone(iphone_device_t phone, char *data, int datalen);
-int recv_from_phone(iphone_device_t phone, char *data, int datalen, int timeout);
 #endif
diff --git a/src/lockdown.c b/src/lockdown.c
index 5ade79a..28670de 100644
--- a/src/lockdown.c
+++ b/src/lockdown.c
@@ -19,7 +19,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include "usbmux.h"
 #include "utils.h"
 #include "iphone.h"
 #include "lockdown.h"
@@ -53,13 +52,15 @@ iphone_lckd_client_t new_lockdownd_client(iphone_device_t phone)
 {
 	if (!phone)
 		return NULL;
-	iphone_lckd_client_t control = (iphone_lckd_client_t) malloc(sizeof(struct iphone_lckd_client_int));
 
-	if (IPHONE_E_SUCCESS != iphone_mux_new_client(phone, 0x0a00, 0xf27e, &control->connection)) {
-		free(control);
+	int sfd = usbmuxd_connect(phone->handle, 0xf27e);
+	if (sfd < 0) {
+		log_debug_msg("%s: could not connect to lockdownd (device handle %d)\n", __func__, phone->handle);
 		return NULL;
 	}
 
+	iphone_lckd_client_t control = (iphone_lckd_client_t) malloc(sizeof(struct iphone_lckd_client_int));
+	control->sfd = sfd;
 	control->ssl_session = (gnutls_session_t *) malloc(sizeof(gnutls_session_t));
 	control->in_SSL = 0;
 	return control;
@@ -167,13 +168,13 @@ iphone_error_t iphone_lckd_free_client(iphone_lckd_client_t client)
 
 	iphone_lckd_stop_SSL_session(client);
 
-	if (client->connection) {
+	if (client->sfd > 0) {
 		lockdownd_close(client);
 
 		// IMO, read of final "sessionUpcall connection closed" packet
 		//  should come here instead of in iphone_free_device
 
-		ret = iphone_mux_free_client(client->connection);
+		ret = usbmuxd_disconnect(client->sfd);
 	}
 
 	free(client);
@@ -197,7 +198,7 @@ iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, plist_t * plist)
 	uint32_t datalen = 0, bytes = 0, received_bytes = 0;
 
 	if (!client->in_SSL)
-		ret = iphone_mux_recv(client->connection, (char *) &datalen, sizeof(datalen), &bytes);
+		ret = usbmuxd_recv(client->sfd, (char *) &datalen, sizeof(datalen), &bytes);
 	else {
 		bytes = gnutls_record_recv(*client->ssl_session, &datalen, sizeof(datalen));
 		if (bytes > 0)
@@ -210,7 +211,7 @@ iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, plist_t * plist)
 	if (!client->in_SSL) {
 		/* fill buffer and request more packets if needed */
 		while ((received_bytes < datalen) && (ret == IPHONE_E_SUCCESS)) {
-			ret = iphone_mux_recv(client->connection, receive + received_bytes, datalen - received_bytes, &bytes);
+			ret = usbmuxd_recv(client->sfd, receive + received_bytes, datalen - received_bytes, &bytes); //iphone_mux_recv(client->connection, receive + received_bytes, datalen - received_bytes, &bytes);
 			received_bytes += bytes;
 		}
 	} else {
@@ -271,7 +272,7 @@ iphone_error_t iphone_lckd_send(iphone_lckd_client_t client, plist_t plist)
 	log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_send(): made the query, sending it along\n");
 
 	if (!client->in_SSL)
-		ret = iphone_mux_send(client->connection, real_query, ntohl(length) + sizeof(length), &bytes);
+		ret = usbmuxd_send(client->sfd, real_query, ntohl(length) + sizeof(length), (uint32_t*)&bytes); //iphone_mux_send(client->connection, real_query, ntohl(length) + sizeof(length), &bytes);
 	else {
 		gnutls_record_send(*client->ssl_session, real_query, ntohl(length) + sizeof(length));
 		ret = IPHONE_E_SUCCESS;
@@ -465,7 +466,7 @@ iphone_error_t lockdownd_get_device_uid(iphone_lckd_client_t control, char **uid
  *
  * @note You most likely want lockdownd_init unless you are doing something special.
  *
- * @return 1 on success and 0 on failure.
+ * @return IPHONE_E_SUCCESS on succes or an error value < 0 on failure.
  */
 iphone_error_t lockdownd_get_device_public_key(iphone_lckd_client_t control, gnutls_datum_t * public_key)
 {
@@ -1026,7 +1027,7 @@ ssize_t lockdownd_secuwrite(gnutls_transport_ptr_t transport, char *buffer, size
 	control = (iphone_lckd_client_t) transport;
 	log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_secuwrite() called\n");
 	log_dbg_msg(DBGMASK_LOCKDOWND, "pre-send\nlength = %zi\n", length);
-	iphone_mux_send(control->connection, buffer, length, &bytes);
+	usbmuxd_send(control->sfd, buffer, length, &bytes);
 	log_dbg_msg(DBGMASK_LOCKDOWND, "post-send\nsent %i bytes\n", bytes);
 
 	dump_debug_buffer("sslpacketwrite.out", buffer, length);
@@ -1059,7 +1060,7 @@ ssize_t lockdownd_securead(gnutls_transport_ptr_t transport, char *buffer, size_
 
 	// repeat until we have the full data or an error occurs.
 	do {
-		if ((res = iphone_mux_recv(control->connection, recv_buffer, this_len, &bytes)) != IPHONE_E_SUCCESS) {
+		if ((res = usbmuxd_recv(control->sfd, recv_buffer, this_len, &bytes)) != IPHONE_E_SUCCESS) {
 			log_debug_msg("%s: ERROR: iphone_mux_recv returned %d\n", __func__, res);
 			return res;
 		}
diff --git a/src/lockdown.h b/src/lockdown.h
index 7485006..1f9d84c 100644
--- a/src/lockdown.h
+++ b/src/lockdown.h
@@ -22,8 +22,6 @@
 #ifndef LOCKDOWND_H
 #define LOCKDOWND_H
 
-#include "usbmux.h"
-
 #include <gnutls/gnutls.h>
 #include <string.h>
 #include <libiphone/libiphone.h>
@@ -32,7 +30,7 @@
 
 
 struct iphone_lckd_client_int {
-	iphone_umux_client_t connection;
+	int sfd;
 	gnutls_session_t *ssl_session;
 	int in_SSL;
 	char session_id[40];
diff --git a/src/usbmux.c b/src/usbmux.c
deleted file mode 100644
index 7d74b4b..0000000
--- a/src/usbmux.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/*
- * usbmux.c
- * Interprets the usb multiplexing protocol used by the iPhone.
- *
- * Copyright (c) 2008 Zach C. All Rights Reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
- */
-
-#include <sys/types.h>
-#include <arpa/inet.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "usbmux.h"
-#include "utils.h"
-
-static iphone_umux_client_t *connlist = NULL;
-static int clients = 0;
-
-/** Creates a USBMux packet for the given set of ports.
- * 
- * @param s_port The source port for the connection.
- * @param d_port The destination port for the connection.
- *
- * @return A USBMux packet
- */
-usbmux_tcp_header *new_mux_packet(uint16_t s_port, uint16_t d_port)
-{
-	usbmux_tcp_header *conn = (usbmux_tcp_header *) malloc(sizeof(usbmux_tcp_header));
-	conn->type = htonl(6);
-	conn->length = 28;
-	conn->sport = htons(s_port);
-	conn->dport = htons(d_port);
-	conn->scnt = 0;
-	conn->ocnt = 0;
-	conn->offset = 0x50;
-	conn->window = htons(0x0200);
-	conn->nullnull = 0x0000;
-	conn->length16 = 28;
-	return conn;
-}
-
-/** Creates a USBMux header containing version information
- * 
- * @return A USBMux header
- */
-usbmux_version_header *version_header(void)
-{
-	usbmux_version_header *version = (usbmux_version_header *) malloc(sizeof(usbmux_version_header));
-	version->type = 0;
-	version->length = htonl(20);
-	version->major = htonl(1);
-	version->minor = 0;
-	version->allnull = 0;
-	return version;
-}
-
-
-// Maintenance functions.
-
-/** Removes a connection from the list of connections made.
- * The list of connections is necessary for buffering.
- * 
- * @param connection The connection to delete from the tracking list.
- */
-static void delete_connection(iphone_umux_client_t connection)
-{
-	iphone_umux_client_t *newlist = (iphone_umux_client_t *) malloc(sizeof(iphone_umux_client_t) * (clients - 1));
-	int i = 0, j = 0;
-	for (i = 0; i < clients; i++) {
-		if (connlist[i] == connection)
-			continue;
-		else {
-			newlist[j] = connlist[i];
-			j++;
-		}
-	}
-	free(connlist);
-	connlist = newlist;
-	clients--;
-	if (connection->recv_buffer)
-		free(connection->recv_buffer);
-	if (connection->header)
-		free(connection->header);
-	connection->r_len = 0;
-	free(connection);
-}
-
-/** Adds a connection to the list of connections made.
- * The connection list is necessary for buffering.
- *
- * @param connection The connection to add to the global list of connections.
- */
-
-static void add_connection(iphone_umux_client_t connection)
-{
-	iphone_umux_client_t *newlist =
-		(iphone_umux_client_t *) realloc(connlist, sizeof(iphone_umux_client_t) * (clients + 1));
-	newlist[clients] = connection;
-	connlist = newlist;
-	clients++;
-}
-
-/** Initializes a connection on phone, with source port s_port and destination port d_port
- *
- * @param device The iPhone to initialize a connection on.
- * @param src_port The source port
- * @param dst_port The destination port -- 0xf27e for lockdownd. 
- * @param client A mux TCP header for the connection which is used for tracking and data transfer.
- * @return IPHONE_E_SUCCESS on success, an error code otherwise.
- */
-iphone_error_t iphone_mux_new_client(iphone_device_t device, uint16_t src_port, uint16_t dst_port,
-									 iphone_umux_client_t * client)
-{
-	if (!device || !src_port || !dst_port)
-		return IPHONE_E_INVALID_ARG;
-
-	int bytes = 0;
-	// Initialize connection stuff
-	iphone_umux_client_t new_connection = (iphone_umux_client_t) malloc(sizeof(struct iphone_umux_client_int));
-	new_connection->header = new_mux_packet(src_port, dst_port);
-
-	// blargg
-	if (new_connection && new_connection->header) {
-		new_connection->header->tcp_flags = 0x02;
-		new_connection->header->length = htonl(new_connection->header->length);
-		new_connection->header->length16 = htons(new_connection->header->length16);
-
-		if (send_to_phone(device, (char *) new_connection->header, sizeof(usbmux_tcp_header)) >= 0) {
-			usbmux_tcp_header *response;
-			response = (usbmux_tcp_header *) malloc(sizeof(usbmux_tcp_header));
-			bytes = recv_from_phone(device, (char *) response, sizeof(*response), 3500);
-			if (response->tcp_flags != 0x12) {
-				free(response);
-				return IPHONE_E_UNKNOWN_ERROR;
-			} else {
-				free(response);
-
-				log_debug_msg("mux_connect: connection success\n");
-				new_connection->header->tcp_flags = 0x10;
-				new_connection->header->scnt = 1;
-				new_connection->header->ocnt = 1;
-				new_connection->phone = device;
-				new_connection->recv_buffer = NULL;
-				new_connection->r_len = 0;
-				add_connection(new_connection);
-				*client = new_connection;
-				return IPHONE_E_SUCCESS;
-			}
-		} else {
-			return IPHONE_E_NOT_ENOUGH_DATA;
-		}
-	}
-	// if we get to this point it's probably bad
-	return IPHONE_E_UNKNOWN_ERROR;
-}
-
-/** Cleans up the given USBMux connection.
- * @note Once a connection is closed it may not be used again.
- * 
- * @param connection The connection to close.
- *
- * @return IPHONE_E_SUCCESS on success.
- */
-iphone_error_t iphone_mux_free_client(iphone_umux_client_t client)
-{
-	if (!client || !client->phone)
-		return IPHONE_E_INVALID_ARG;
-
-	client->header->tcp_flags = 0x04;
-	client->header->length = htonl(0x1C);
-	client->header->scnt = htonl(client->header->scnt);
-	client->header->ocnt = htonl(client->header->ocnt);
-	client->header->window = 0;
-	client->header->length16 = htons(0x1C);
-	int bytes = 0;
-
-	bytes = usb_bulk_write(client->phone->device, BULKOUT, (char *) client->header, sizeof(usbmux_tcp_header), 800);
-	if (bytes < 0)
-		log_debug_msg("iphone_muxèfree_client(): when writing, libusb gave me the error: %s\n", usb_strerror());
-
-	bytes = usb_bulk_read(client->phone->device, BULKIN, (char *) client->header, sizeof(usbmux_tcp_header), 800);
-	if (bytes < 0)
-		log_debug_msg("get_iPhone(): when reading, libusb gave me the error: %s\n", usb_strerror());
-
-	delete_connection(client);
-
-	return IPHONE_E_SUCCESS;
-}
-
-
-/** Sends the given data over the selected connection.
- *
- * @param phone The iPhone to send to.
- * @param client The client we're sending data on.
- * @param data A pointer to the data to send.
- * @param datalen How much data we're sending.
- * @param sent_bytes The number of bytes sent, minus the header (28)
- *
- * @return IPHONE_E_SUCCESS on success.
- */
-
-iphone_error_t iphone_mux_send(iphone_umux_client_t client, const char *data, uint32_t datalen, uint32_t * sent_bytes)
-{
-	if (!client->phone || !client || !data || datalen == 0 || !sent_bytes)
-		return IPHONE_E_INVALID_ARG;
-	// client->scnt and client->ocnt should already be in host notation...
-	// we don't need to change them juuuust yet. 
-	*sent_bytes = 0;
-	log_debug_msg("mux_send(): client wants to send %i bytes\n", datalen);
-	char *buffer = (char *) malloc(sizeof(usbmux_tcp_header) + datalen + 2);	// allow 2 bytes of safety padding
-	// Set the length and pre-emptively htonl/htons it
-	client->header->length = htonl(sizeof(usbmux_tcp_header) + datalen);
-	client->header->length16 = htons(sizeof(usbmux_tcp_header) + datalen);
-
-	// Put scnt and ocnt into big-endian notation
-	client->header->scnt = htonl(client->header->scnt);
-	client->header->ocnt = htonl(client->header->ocnt);
-	// Concatenation of stuff in the buffer.
-	memcpy(buffer, client->header, sizeof(usbmux_tcp_header));
-	memcpy(buffer + sizeof(usbmux_tcp_header), data, datalen);
-
-	// We have a buffer full of data, we should now send it to the phone.
-	log_debug_msg("actually sending %zi bytes of data at %p\n", sizeof(usbmux_tcp_header) + datalen, buffer);
-
-
-	*sent_bytes = send_to_phone(client->phone, buffer, sizeof(usbmux_tcp_header) + datalen);
-	log_debug_msg("mux_send: sent %i bytes!\n", *sent_bytes);
-	// Now that we've sent it off, we can clean up after our sloppy selves.
-	dump_debug_buffer("packet", buffer, *sent_bytes);
-	if (buffer)
-		free(buffer);
-	// Re-calculate scnt and ocnt
-	client->header->scnt = ntohl(client->header->scnt) + datalen;
-	client->header->ocnt = ntohl(client->header->ocnt);
-
-	// Revert lengths
-	client->header->length = ntohl(client->header->length);
-	client->header->length16 = ntohs(client->header->length16);
-
-	// Now return the bytes.
-	if (*sent_bytes < sizeof(usbmux_tcp_header) + datalen) {
-		*sent_bytes = 0;
-		return IPHONE_E_NOT_ENOUGH_DATA;
-	} else {
-		*sent_bytes = *sent_bytes - 28;	// actual length sent. :/
-	}
-
-	return IPHONE_E_SUCCESS;
-}
-
-/** This is a higher-level USBMuxTCP-like function
- *
- * @param connection The connection to receive data on.
- * @param data Where to put the data we receive. 
- * @param datalen How much data to read.
- * @param recv_bytes Pointer to a uint32_t that will be set
- *        to the number of bytes received.
- * @param timeout How many milliseconds to wait for data.
- *
- * @return IPHONE_E_SUCCESS on success, or and error value.
- */
-iphone_error_t iphone_mux_recv_timeout(iphone_umux_client_t client, char *data, uint32_t datalen, uint32_t * recv_bytes, int timeout)
-{
-
-	if (!client || !data || datalen == 0 || !recv_bytes)
-		return IPHONE_E_INVALID_ARG;
-	/*
-	 * Order of operation:
-	 * 1.) Check if the client has a pre-received buffer.
-	 * 2.) If so, fill data with the buffer, as much as needed.
-	 *      a.) Return quickly if the buffer has enough
-	 *      b.) If the buffer is only part of the datalen, get the rest of datalen (and if we can't, just return)
-	 * 3.) If not, receive directly from the phone. 
-	 *      a.) Check incoming packet's ports. If proper, follow proper buffering and receiving operation.
-	 *      b.) If not, find the client the ports belong to and fill that client's buffer, then return mux_recv with the same args to try again.
-	 */
-	log_debug_msg("mux_recv: datalen == %i\n", datalen);
-	int bytes = 0, i = 0, complex = 0, offset = 0;
-	*recv_bytes = 0;
-	char *buffer = NULL;
-	usbmux_tcp_header *header = NULL;
-
-	if (client->recv_buffer) {
-		if (client->r_len >= datalen) {
-			memcpy(data, client->recv_buffer, datalen);
-			if (client->r_len == datalen) {
-				// reset everything
-				free(client->recv_buffer);
-				client->r_len = 0;
-				client->recv_buffer = NULL;
-			} else {
-				buffer = (char *) malloc(sizeof(char) * (client->r_len - datalen));
-				memcpy(buffer, client->recv_buffer + datalen, (client->r_len - datalen));
-				client->r_len -= datalen;
-				free(client->recv_buffer);
-				client->recv_buffer = buffer;
-			}
-
-			// Since we were able to fill the data straight from our buffer, we can just return datalen. See 2a above.
-			*recv_bytes = datalen;
-			return IPHONE_E_SUCCESS;
-		} else {
-			memcpy(data, client->recv_buffer, client->r_len);
-			free(client->recv_buffer);	// don't need to deal with anymore, but...
-			client->recv_buffer = NULL;
-			offset = client->r_len;	// see #2b, above
-			client->r_len = 0;
-		}
-	}							// End of what to do if we have a pre-buffer. See #1 and #2 above. 
-
-	buffer = (char *) malloc(sizeof(char) * 131072);	// make sure we get enough ;)
-
-	// See #3.
-	bytes = recv_from_phone(client->phone, buffer, 131072, timeout);
-	if (bytes < 28) {
-		free(buffer);
-		log_debug_msg("mux_recv: Did not even get the header.\n");
-		return IPHONE_E_NOT_ENOUGH_DATA;
-	}
-
-	header = (usbmux_tcp_header *) buffer;
-	if (header->sport != client->header->dport || header->dport != client->header->sport) {
-		// Ooooops -- we got someone else's packet.
-		// We gotta stick it in their buffer. (Take that any old way you want ;) )
-		for (i = 0; i < clients; i++) {
-			if (connlist[i]->header->sport == header->dport && connlist[i]->header->dport == header->sport) {
-				// we have a winner.
-				char *nfb = (char *) malloc(sizeof(char) * (connlist[i]->r_len + (bytes - 28)));
-				if (connlist[i]->recv_buffer && connlist[i]->r_len) {
-					memcpy(nfb, connlist[i]->recv_buffer, connlist[i]->r_len);
-					free(connlist[i]->recv_buffer);
-				}
-				connlist[i]->r_len += bytes - 28;
-				//connlist[i]->recv_buffer = (char*)realloc(connlist[i]->recv_buffer, sizeof(char) * client->r_len); // grow their buffer
-				connlist[i]->recv_buffer = nfb;
-				nfb = NULL;		// A cookie for you if you can guess what "nfb" means. 
-				complex = connlist[i]->r_len - (bytes - 28);
-				memcpy(connlist[i]->recv_buffer + complex, buffer + 28, bytes - 28);	// paste into their buffer
-				connlist[i]->header->ocnt += bytes - 28;
-			}
-		}
-		// If it wasn't ours, it's been handled by this point... or forgotten.
-		// Free our buffer and continue.
-		free(buffer);
-		buffer = NULL;
-		return iphone_mux_recv(client, data, datalen, recv_bytes);	// recurse back in to try again
-	}
-	// The packet was absolutely meant for us if it hits this point.
-	// The pre-buffer has been taken care of, so, again, if we're at this point we have to read from the phone.
-
-	if ((bytes - 28) > datalen) {
-		// Copy what we need into the data, buffer the rest because we can.
-		memcpy(data + offset, buffer + 28, datalen);	// data+offset: see #2b, above
-		complex = client->r_len + ((bytes - 28) - datalen);
-		client->recv_buffer = (char *) realloc(client->recv_buffer, (sizeof(char) * complex));
-		client->r_len = complex;
-		complex = client->r_len - ((bytes - 28) - datalen);
-		memcpy(client->recv_buffer + complex, buffer + 28 + datalen, (bytes - 28) - datalen);
-		free(buffer);
-		client->header->ocnt += bytes - 28;
-		*recv_bytes = datalen;
-		return IPHONE_E_SUCCESS;
-	} else {
-		// Fill the data with what we have, and just return.
-		memcpy(data + offset, buffer + 28, bytes - 28);	// data+offset: see #2b, above
-		client->header->ocnt += bytes - 28;
-		free(buffer);
-		*recv_bytes = bytes - 28;
-		return IPHONE_E_SUCCESS;
-	}
-
-	// If we get to this point, 'tis probably bad.
-	log_debug_msg("mux_recv: Heisenbug: bytes and datalen not matching up\n");
-	return IPHONE_E_UNKNOWN_ERROR;
-}
-
-/**
- * This function is just like 'iphone_mux_recv_timeout' but you do not need
- * to specify a timeout. It simply calls iphone_mux_recv_timeout with a
- * timeout value of 3500 milliseconds.
- *
- * @param connection The connection to receive data on.
- * @param data Where to put the data we receive.
- * @param datalen How much data to read.
- * @param recv_bytes Pointer to a uint32_t that will be set
- *        to the number of bytes received.
- *
- * @return The return value of iphone_mux_recv_timeout.
- *
- * @see iphone_mux_recv_timeout
- */
-iphone_error_t iphone_mux_recv(iphone_umux_client_t client, char *data, uint32_t datalen, uint32_t * recv_bytes)
-{
-	return iphone_mux_recv_timeout(client, data, datalen, recv_bytes, 3500);
-}
diff --git a/src/usbmux.h b/src/usbmux.h
deleted file mode 100644
index bea83f7..0000000
--- a/src/usbmux.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * usbmux.h
- * Defines structures and variables pertaining to the usb multiplexing.
- *
- * Copyright (c) 2008 Zach C. All Rights Reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
- */
-
-#include <sys/types.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include "libiphone/libiphone.h"
-
-#ifndef USBMUX_H
-#define USBMUX_H
-
-#ifndef IPHONE_H
-#include "iphone.h"
-#endif
-
-typedef struct {
-	uint32_t type, length;
-	uint16_t sport, dport;
-	uint32_t scnt, ocnt;
-	uint8_t offset, tcp_flags;
-	uint16_t window, nullnull, length16;
-} usbmux_tcp_header;
-
-struct iphone_umux_client_int {
-	usbmux_tcp_header *header;
-	iphone_device_t phone;
-	char *recv_buffer;
-	int r_len;
-};
-
-usbmux_tcp_header *new_mux_packet(uint16_t s_port, uint16_t d_port);
-
-typedef struct {
-	uint32_t type, length, major, minor, allnull;
-} usbmux_version_header;
-
-usbmux_version_header *version_header(void);
-
-
-#endif