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make all functions return an error code.

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This commit is contained in:
Jonathan Beck
2008-08-31 11:47:18 +02:00
parent dc89741f00
commit 86f6198899
5 changed files with 195 additions and 144 deletions
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include/libiphone/libiphone.h
+27 -25
View File
@@ -46,6 +46,8 @@ extern "C" {
//afc specific error
#define IPHONE_E_NO_SUCH_FILE -10
typedef short iphone_error_t;
enum {
AFC_FILE_READ = 0x00000002, // seems to be able to read and write files
AFC_FILE_WRITE = 0x00000003, // writes and creates a file, blanks it out, etc.
@@ -73,44 +75,44 @@ struct iphone_afc_file_int;
typedef struct iphone_afc_file_int *iphone_afc_file_t;
//device related functions
int iphone_get_device ( iphone_device_t *device );
void iphone_free_device ( iphone_device_t device );
iphone_error_t iphone_get_device ( iphone_device_t *device );
iphone_error_t iphone_free_device ( iphone_device_t device );
//lockdownd related functions
int iphone_lckd_new_client ( iphone_device_t device, iphone_lckd_client_t *client );
void iphone_lckd_free_client( iphone_lckd_client_t client );
iphone_error_t iphone_lckd_new_client ( iphone_device_t device, iphone_lckd_client_t *client );
iphone_error_t iphone_lckd_free_client( iphone_lckd_client_t client );
int iphone_lckd_start_service ( iphone_lckd_client_t client, const char *service );
int iphone_lckd_recv ( iphone_lckd_client_t client, char **dump_data );
int iphone_lckd_send ( iphone_lckd_client_t client, char *raw_data, uint32_t length );
iphone_error_t iphone_lckd_start_service ( iphone_lckd_client_t client, const char *service, int *port );
iphone_error_t iphone_lckd_recv ( iphone_lckd_client_t client, char **dump_data, uint32_t *recv_bytes );
iphone_error_t iphone_lckd_send ( iphone_lckd_client_t client, char *raw_data, uint32_t length, uint32_t *recv_bytes );
//usbmux related functions
int iphone_mux_new_client ( iphone_device_t device, uint16_t src_port, uint16_t dst_port, iphone_umux_client_t *client );
void iphone_mux_free_client ( iphone_umux_client_t client );
iphone_error_t iphone_mux_new_client ( iphone_device_t device, uint16_t src_port, uint16_t dst_port, iphone_umux_client_t *client );
iphone_error_t iphone_mux_free_client ( iphone_umux_client_t client );
int iphone_mux_send ( iphone_umux_client_t client, const char *data, uint32_t datalen );
int iphone_mux_recv ( iphone_umux_client_t client, char *data, uint32_t datalen );
iphone_error_t iphone_mux_send ( iphone_umux_client_t client, const char *data, uint32_t datalen, uint32_t *sent_bytes );
iphone_error_t iphone_mux_recv ( iphone_umux_client_t client, char *data, uint32_t datalen, uint32_t *recv_bytes );
//afc related functions
int iphone_afc_new_client ( iphone_device_t device, int src_port, int dst_port, iphone_afc_client_t *client );
void iphone_afc_free_client ( iphone_afc_client_t client );
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_free_client ( iphone_afc_client_t client );
char **iphone_afc_get_devinfo ( iphone_afc_client_t client );
char **iphone_afc_get_dir_list ( iphone_afc_client_t client, const char *dir);
iphone_error_t iphone_afc_get_devinfo ( iphone_afc_client_t client, char ***infos );
iphone_error_t iphone_afc_get_dir_list ( iphone_afc_client_t client, const char *dir, char ***list);
int iphone_afc_get_file_attr ( iphone_afc_client_t client, const char *filename, struct stat *stbuf );
int iphone_afc_open_file ( iphone_afc_client_t client, const char *filename, uint32_t file_mode, iphone_afc_file_t *file );
void iphone_afc_close_file ( iphone_afc_client_t client, iphone_afc_file_t file);
int iphone_afc_read_file ( iphone_afc_client_t client, iphone_afc_file_t file, char *data, int length);
int iphone_afc_write_file ( iphone_afc_client_t client, iphone_afc_file_t file, const char *data, int length);
int iphone_afc_seek_file ( iphone_afc_client_t client, iphone_afc_file_t file, int seekpos);
int iphone_afc_truncate_file ( iphone_afc_client_t client, iphone_afc_file_t file, uint32_t newsize);
int iphone_afc_delete_file ( iphone_afc_client_t client, const char *path);
int iphone_afc_rename_file ( iphone_afc_client_t client, const char *from, const char *to);
int iphone_afc_mkdir ( iphone_afc_client_t client, const char *dir);
iphone_error_t iphone_afc_get_file_attr ( iphone_afc_client_t client, const char *filename, struct stat *stbuf );
iphone_error_t iphone_afc_open_file ( iphone_afc_client_t client, const char *filename, uint32_t file_mode, iphone_afc_file_t *file );
iphone_error_t iphone_afc_close_file ( iphone_afc_client_t client, iphone_afc_file_t file);
iphone_error_t iphone_afc_read_file ( iphone_afc_client_t client, iphone_afc_file_t file, char *data, int length, uint32_t *bytes);
iphone_error_t iphone_afc_write_file ( iphone_afc_client_t client, iphone_afc_file_t file, const char *data, int length, uint32_t *bytes);
iphone_error_t iphone_afc_seek_file ( iphone_afc_client_t client, iphone_afc_file_t file, int seekpos);
iphone_error_t iphone_afc_truncate_file ( iphone_afc_client_t client, iphone_afc_file_t file, uint32_t newsize);
iphone_error_t iphone_afc_delete_file ( iphone_afc_client_t client, const char *path);
iphone_error_t iphone_afc_rename_file ( iphone_afc_client_t client, const char *from, const char *to);
iphone_error_t iphone_afc_mkdir ( iphone_afc_client_t client, const char *dir);
#ifdef __cplusplus
src/AFC.c
+70 -60
View File
@@ -58,7 +58,7 @@ static void afc_unlock(iphone_afc_client_t client) { // just to be pretty
*
* @return A handle to the newly-connected client or NULL upon error.
*/
int 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 src_port, int dst_port, iphone_afc_client_t *client ) {
int ret = IPHONE_E_SUCCESS;
iphone_afc_client_t client_loc = (iphone_afc_client_t)malloc(sizeof(struct iphone_afc_client_int));
@@ -100,12 +100,14 @@ int iphone_afc_new_client ( iphone_device_t device, int src_port, int dst_port,
*
* @param client The client to disconnect.
*/
void iphone_afc_free_client ( iphone_afc_client_t client ) {
if (!client || !client->connection || !client->afc_packet) return;
iphone_error_t iphone_afc_free_client ( iphone_afc_client_t client ) {
if (!client || !client->connection || !client->afc_packet)
return IPHONE_E_INVALID_ARG;
iphone_mux_free_client(client->connection);
free(client->afc_packet);
free(client);
return IPHONE_E_SUCCESS;
}
@@ -324,11 +326,12 @@ static char **make_strings_list(char *tokens, int true_length) {
* @return A char ** list of files in that directory, terminated by an empty
* string for now or NULL if there was an error.
*/
char **iphone_afc_get_dir_list ( iphone_afc_client_t client, const char *dir) {
iphone_error_t iphone_afc_get_dir_list ( iphone_afc_client_t client, const char *dir, char ***list) {
int bytes = 0;
char *data = NULL, **list = NULL;
char *data = NULL, **list_loc = NULL;
iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
if (!client || !dir) return NULL;
if (!client || !dir || !list) return IPHONE_E_INVALID_ARG;
afc_lock(client);
@@ -339,23 +342,25 @@ char **iphone_afc_get_dir_list ( iphone_afc_client_t client, const char *dir) {
bytes = dispatch_AFC_packet(client, dir, strlen(dir));
if (bytes <= 0) {
afc_unlock(client);
return NULL;
return IPHONE_E_NOT_ENOUGH_DATA;
}
// Receive the data
bytes = receive_AFC_data(client, &data);
if (bytes < 0 && !data) {
afc_unlock(client);
return NULL;
return IPHONE_E_NOT_ENOUGH_DATA;
}
// Parse the data
list = make_strings_list(data, bytes);
list_loc = make_strings_list(data, bytes);
if (list_loc) ret = IPHONE_E_SUCCESS;
if (data) free(data);
afc_unlock(client);
*list = list_loc;
return list;
return ret;
}
/** Get device info for a client connection to phone. (free space on disk, etc.)
@@ -365,11 +370,11 @@ char **iphone_afc_get_dir_list ( iphone_afc_client_t client, const char *dir) {
* @return A char ** list of parameters as given by AFC or NULL if there was an
* error.
*/
char **iphone_afc_get_devinfo ( iphone_afc_client_t client ) {
iphone_error_t iphone_afc_get_devinfo ( iphone_afc_client_t client, char ***infos) {
int bytes = 0;
char *data = NULL, **list = NULL;
if (!client) return NULL;
if (!client || !infos) return IPHONE_E_INVALID_ARG;
afc_lock(client);
@@ -379,14 +384,14 @@ char **iphone_afc_get_devinfo ( iphone_afc_client_t client ) {
bytes = dispatch_AFC_packet(client, NULL, 0);
if (bytes < 0) {
afc_unlock(client);
return NULL;
return IPHONE_E_NOT_ENOUGH_DATA;
}
// Receive the data
bytes = receive_AFC_data(client, &data);
if (bytes < 0 && !data) {
afc_unlock(client);
return NULL;
return IPHONE_E_NOT_ENOUGH_DATA;
}
// Parse the data
@@ -394,8 +399,8 @@ char **iphone_afc_get_devinfo ( iphone_afc_client_t client ) {
if (data) free(data);
afc_unlock(client);
return list;
*infos = list;
return IPHONE_E_SUCCESS;
}
/** Deletes a file.
@@ -406,7 +411,7 @@ char **iphone_afc_get_devinfo ( iphone_afc_client_t client ) {
* @return IPHONE_E_SUCCESS if everythong went well, IPHONE_E_INVALID_ARG
* if arguments are NULL or invalid, IPHONE_E_NOT_ENOUGH_DATA otherwise.
*/
int iphone_afc_delete_file ( iphone_afc_client_t client, const char *path) {
iphone_error_t iphone_afc_delete_file ( iphone_afc_client_t client, const char *path) {
char *response = NULL;
int bytes;
@@ -445,7 +450,7 @@ int iphone_afc_delete_file ( iphone_afc_client_t client, const char *path) {
* @return IPHONE_E_SUCCESS if everythong went well, IPHONE_E_INVALID_ARG
* if arguments are NULL or invalid, IPHONE_E_NOT_ENOUGH_DATA otherwise.
*/
int iphone_afc_rename_file ( iphone_afc_client_t client, const char *from, const char *to) {
iphone_error_t iphone_afc_rename_file ( iphone_afc_client_t client, const char *from, const char *to) {
char *response = NULL;
char *send = (char*)malloc(sizeof(char) * (strlen(from) + strlen(to) + 1 + sizeof(uint32)));
int bytes = 0;
@@ -488,7 +493,7 @@ int iphone_afc_rename_file ( iphone_afc_client_t client, const char *from, const
* @return IPHONE_E_SUCCESS if everythong went well, IPHONE_E_INVALID_ARG
* if arguments are NULL or invalid, IPHONE_E_NOT_ENOUGH_DATA otherwise.
*/
int iphone_afc_mkdir ( iphone_afc_client_t client, const char *dir) {
iphone_error_t iphone_afc_mkdir ( iphone_afc_client_t client, const char *dir) {
int bytes = 0;
char *response = NULL;
@@ -586,7 +591,7 @@ iphone_afc_file_t afc_get_file_info(iphone_afc_client_t client, const char *path
* @return A pointer to an AFCFile struct containing the information received,
* or NULL on failure.
*/
int iphone_afc_get_file_attr ( iphone_afc_client_t client, const char *filename, struct stat *stbuf ) {
iphone_error_t iphone_afc_get_file_attr ( iphone_afc_client_t client, const char *filename, struct stat *stbuf ) {
int ret = IPHONE_E_SUCCESS;
if (!client ||!client->connection || !client->afc_packet || !stbuf) return IPHONE_E_INVALID_ARG;
@@ -620,7 +625,7 @@ int iphone_afc_get_file_attr ( iphone_afc_client_t client, const char *filename,
* received by afc_get_file_info) as well as the handle to the file or
* NULL in the case of failure.
*/
int iphone_afc_open_file ( iphone_afc_client_t client, const char *filename, uint32_t file_mode, iphone_afc_file_t *file ) {
iphone_error_t iphone_afc_open_file ( iphone_afc_client_t client, const char *filename, uint32_t file_mode, iphone_afc_file_t *file ) {
iphone_afc_file_t file_loc = NULL;
uint32 ag = 0;
int bytes = 0, length = 0;
@@ -677,12 +682,12 @@ int iphone_afc_open_file ( iphone_afc_client_t client, const char *filename, uin
*
* @return The number of bytes read if successful. If there was an error -1.
*/
int iphone_afc_read_file ( iphone_afc_client_t client, iphone_afc_file_t file, char *data, int length) {
iphone_error_t iphone_afc_read_file ( iphone_afc_client_t client, iphone_afc_file_t file, char *data, int length, uint32_t *bytes) {
char *input = NULL;
int current_count = 0, bytes = 0;
int current_count = 0, bytes_loc = 0;
const int MAXIMUM_READ_SIZE = 1 << 16;
if (!client || !client->afc_packet || !client->connection || !file) return -1;
if (!client || !client->afc_packet || !client->connection || !file) return IPHONE_E_INVALID_ARG;
if (debug) fprintf(stderr, "afc_read_file called for length %i\n", length);
afc_lock(client);
@@ -698,40 +703,41 @@ int iphone_afc_read_file ( iphone_afc_client_t client, iphone_afc_file_t file, c
packet->size = ((length - current_count) < MAXIMUM_READ_SIZE) ? (length - current_count) : MAXIMUM_READ_SIZE;
client->afc_packet->operation = AFC_READ;
client->afc_packet->entire_length = client->afc_packet->this_length = 0;
bytes = dispatch_AFC_packet(client, (char*)packet, sizeof(AFCFilePacket));
bytes_loc = dispatch_AFC_packet(client, (char*)packet, sizeof(AFCFilePacket));
free(packet);
if (bytes <= 0) {
if (bytes_loc <= 0) {
afc_unlock(client);
return -1;
return IPHONE_E_NOT_ENOUGH_DATA;
}
// Receive the data
bytes = receive_AFC_data(client, &input);
if (debug) fprintf(stderr, "afc_read_file: bytes returned: %i\n", bytes);
bytes_loc = receive_AFC_data(client, &input);
if (debug) fprintf(stderr, "afc_read_file: bytes returned: %i\n", bytes_loc);
if (bytes < 0) {
if (input) free(input);
afc_unlock(client);
return -1;
return IPHONE_E_NOT_ENOUGH_DATA;
} else if (bytes == 0) {
if (input) free(input);
afc_unlock(client);
return current_count;
*bytes = current_count;
return IPHONE_E_SUCCESS; //FIXME check that's actually a success
} else {
if (input) {
if (debug) fprintf(stderr, "afc_read_file: %d\n", bytes);
memcpy(data+current_count, input, (bytes > length) ? length : bytes);
if (debug) fprintf(stderr, "afc_read_file: %d\n", bytes_loc);
memcpy(data+current_count, input, (bytes_loc > length) ? length : bytes_loc);
free(input);
input = NULL;
current_count += (bytes > length) ? length : bytes;
current_count += (bytes_loc > length) ? length : bytes_loc;
}
}
}
if (debug) fprintf(stderr, "afc_read_file: returning current_count as %i\n", current_count);
afc_unlock(client);
return current_count;
*bytes = current_count;
return IPHONE_E_SUCCESS;
}
/** Writes a given number of bytes to a file.
@@ -744,13 +750,13 @@ int iphone_afc_read_file ( iphone_afc_client_t client, iphone_afc_file_t file, c
* @return The number of bytes written to the file, or a value less than 0 if
* none were written...
*/
int iphone_afc_write_file ( iphone_afc_client_t client, iphone_afc_file_t file, const char *data, int length) {
iphone_error_t iphone_afc_write_file ( iphone_afc_client_t client, iphone_afc_file_t file, const char *data, int length, uint32_t *bytes) {
char *acknowledgement = NULL;
const int MAXIMUM_WRITE_SIZE = 1 << 16;
uint32 zero = 0, bytes = 0, segments = (length / MAXIMUM_WRITE_SIZE), current_count = 0, i = 0;
uint32 zero = 0, bytes_loc = 0, segments = (length / MAXIMUM_WRITE_SIZE), current_count = 0, i = 0;
char *out_buffer = NULL;
if (!client ||!client->afc_packet || !client->connection || !file) return -1;
if (!client ||!client->afc_packet || !client->connection || !file || !bytes_loc) return IPHONE_E_INVALID_ARG;
afc_lock(client);
@@ -766,19 +772,19 @@ int iphone_afc_write_file ( iphone_afc_client_t client, iphone_afc_file_t file,
memcpy(out_buffer, (char*)&file->filehandle, sizeof(uint32));
memcpy(out_buffer+4, (char*)&zero, sizeof(uint32));
memcpy(out_buffer+8, data+current_count, MAXIMUM_WRITE_SIZE);
bytes = dispatch_AFC_packet(client, out_buffer, MAXIMUM_WRITE_SIZE + 8);
if (bytes < 0) {
bytes_loc = dispatch_AFC_packet(client, out_buffer, MAXIMUM_WRITE_SIZE + 8);
if (bytes_loc < 0) {
afc_unlock(client);
return bytes;
return IPHONE_E_NOT_ENOUGH_DATA;
}
free(out_buffer);
out_buffer = NULL;
current_count += bytes;
bytes = receive_AFC_data(client, &acknowledgement);
if (bytes < 0) {
current_count += bytes_loc;
bytes_loc = receive_AFC_data(client, &acknowledgement);
if (bytes_loc < 0) {
afc_unlock(client);
return current_count;
return IPHONE_E_NOT_ENOUGH_DATA;
}
}
@@ -786,7 +792,8 @@ int iphone_afc_write_file ( iphone_afc_client_t client, iphone_afc_file_t file,
// this length is fine because it's always sizeof(AFCPacket) + 8, but to be sure we do it again
if (current_count == length) {
afc_unlock(client);
return current_count;
*bytes = current_count;
return IPHONE_E_SUCCESS;
}
client->afc_packet->this_length = sizeof(AFCPacket) + 8;
@@ -796,25 +803,26 @@ int iphone_afc_write_file ( iphone_afc_client_t client, iphone_afc_file_t file,
memcpy(out_buffer, (char*)&file->filehandle, sizeof(uint32));
memcpy(out_buffer+4, (char*)&zero, sizeof(uint32));
memcpy(out_buffer+8, data+current_count, (length - current_count));
bytes = dispatch_AFC_packet(client, out_buffer, (length - current_count) + 8);
bytes_loc = dispatch_AFC_packet(client, out_buffer, (length - current_count) + 8);
free(out_buffer);
out_buffer = NULL;
current_count += bytes;
current_count += bytes_loc;
if (bytes <= 0) {
if (bytes_loc <= 0) {
afc_unlock(client);
return current_count;
*bytes = current_count;
return IPHONE_E_SUCCESS;
}
zero = bytes;
bytes = receive_AFC_data(client, &acknowledgement);
zero = bytes_loc;
bytes_loc = receive_AFC_data(client, &acknowledgement);
afc_unlock(client);
if (bytes < 0) {
if (bytes_loc < 0) {
if (debug) fprintf(stderr, "afc_write_file: uh oh?\n");
}
return current_count;
return IPHONE_E_UNKNOWN_ERROR;
}
/** Closes a file on the phone.
@@ -823,7 +831,8 @@ int iphone_afc_write_file ( iphone_afc_client_t client, iphone_afc_file_t file,
* @param file A pointer to an AFCFile struct containing the file handle of the
* file to close.
*/
void iphone_afc_close_file ( iphone_afc_client_t client, iphone_afc_file_t file) {
iphone_error_t iphone_afc_close_file ( iphone_afc_client_t client, iphone_afc_file_t file) {
if (!client || !file) return IPHONE_E_INVALID_ARG;
char *buffer = malloc(sizeof(char) * 8);
uint32 zero = 0;
int bytes = 0;
@@ -846,7 +855,7 @@ void iphone_afc_close_file ( iphone_afc_client_t client, iphone_afc_file_t file)
if (bytes <= 0) {
afc_unlock(client);
return;
return IPHONE_E_UNKNOWN_ERROR;
}
// Receive the response
@@ -854,6 +863,7 @@ void iphone_afc_close_file ( iphone_afc_client_t client, iphone_afc_file_t file)
if (buffer) free(buffer);
free(file);
afc_unlock(client);
return IPHONE_E_SUCCESS;
}
/** Seeks to a given position of a pre-opened file on the phone.
@@ -865,7 +875,7 @@ void iphone_afc_close_file ( iphone_afc_client_t client, iphone_afc_file_t file)
*
* @return IPHONE_E_SUCCESS on success, IPHONE_E_NOT_ENOUGH_DATA on failure.
*/
int iphone_afc_seek_file ( iphone_afc_client_t client, iphone_afc_file_t file, int seekpos) {
iphone_error_t iphone_afc_seek_file ( iphone_afc_client_t client, iphone_afc_file_t file, int seekpos) {
char *buffer = (char*)malloc(sizeof(char) * 24);
uint32 seekto = 0, bytes = 0, zero = 0;
@@ -916,7 +926,7 @@ int iphone_afc_seek_file ( iphone_afc_client_t client, iphone_afc_file_t file, i
* @note This function is more akin to ftruncate than truncate, and truncate
* calls would have to open the file before calling this, sadly.
*/
int iphone_afc_truncate_file ( iphone_afc_client_t client, iphone_afc_file_t file, uint32_t newsize) {
iphone_error_t iphone_afc_truncate_file ( iphone_afc_client_t client, iphone_afc_file_t file, uint32_t newsize) {
char *buffer = (char*)malloc(sizeof(char) * 16);
uint32 bytes = 0, zero = 0;
src/iphone.c
+16 -9
View File
@@ -34,7 +34,7 @@ extern int debug;
* @return A structure with data on the first iPhone it finds. (Or NULL, on
* error)
*/
int iphone_get_device ( iphone_device_t *device ){
iphone_error_t iphone_get_device ( iphone_device_t *device ){
//check we can actually write in device
if (!device || (device && *device))
return IPHONE_E_INVALID_ARG;
@@ -102,7 +102,7 @@ int iphone_get_device ( iphone_device_t *device ){
iphone_free_device(phone);
if (debug) fprintf(stderr, "get_iPhone(): Invalid version message -- header too short.\n");
if (debug && bytes < 0) fprintf(stderr, "get_iPhone(): libusb error message %d: %s (%s)\n",
bytes, usb_strerror(), strerror(-bytes));
bytes, usb_strerror(), strerror(-bytes));
return IPHONE_E_NOT_ENOUGH_DATA;
}
@@ -134,14 +134,21 @@ int iphone_get_device ( iphone_device_t *device ){
*
* @param phone A pointer to an iPhone structure.
*/
void iphone_free_device ( iphone_device_t device ) {
if (device->buffer) free(device->buffer);
if (device->device) {
usb_release_interface(device->device, 1);
usb_reset(device->device);
usb_close(device->device);
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;
if (device->buffer) {
free(device->buffer);
if (device->device) {
usb_release_interface(device->device, 1);
usb_reset(device->device);
usb_close(device->device);
ret = IPHONE_E_SUCCESS;
}
free(device);
}
free(device);
return ret;
}
/** Sends data to the phone
src/lockdown.c
+52 -32
View File
@@ -94,15 +94,18 @@ iphone_lckd_client_t new_lockdownd_client(iphone_device_t phone) {
*
* @param control The lockdown client
*/
void iphone_lckd_free_client( iphone_lckd_client_t client ) {
if (!client) return;
iphone_error_t iphone_lckd_free_client( iphone_lckd_client_t client ) {
if (!client) return IPHONE_E_INVALID_ARG;
iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
if (client->connection) {
iphone_mux_free_client(client->connection);
ret = iphone_mux_free_client(client->connection);
}
if (client->ssl_session) gnutls_deinit(*client->ssl_session);
free(client->ssl_session);
free(client);
return ret;
}
/** Polls the iPhone for lockdownd data.
@@ -113,20 +116,28 @@ void iphone_lckd_free_client( iphone_lckd_client_t client ) {
*
* @return The number of bytes received
*/
int iphone_lckd_recv ( iphone_lckd_client_t client, char **dump_data ) {
if (!client) return 0;
iphone_error_t iphone_lckd_recv ( iphone_lckd_client_t client, char **dump_data, uint32_t *recv_bytes ) {
if (!client || dump_data || !recv_bytes) return IPHONE_E_INVALID_ARG;
iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
char *receive;
uint32 datalen = 0, bytes = 0;
if (!client->in_SSL) bytes = iphone_mux_recv(client->connection, (char *)&datalen, sizeof(datalen));
else bytes = gnutls_record_recv(*client->ssl_session, &datalen, sizeof(datalen));
if (!client->in_SSL) ret = iphone_mux_recv(client->connection, (char *)&datalen, sizeof(datalen), &bytes);
else {
bytes = gnutls_record_recv(*client->ssl_session, &datalen, sizeof(datalen));
if (bytes > 0) ret = IPHONE_E_SUCCESS;
}
datalen = ntohl(datalen);
receive = (char*)malloc(sizeof(char) * datalen);
if (!client->in_SSL) bytes = iphone_mux_recv(client->connection, receive, datalen);
else bytes = gnutls_record_recv(*client->ssl_session, receive, datalen);
if (!client->in_SSL) ret = iphone_mux_recv(client->connection, receive, datalen, &bytes);
else {
bytes = gnutls_record_recv(*client->ssl_session, receive, datalen);
if (bytes > 0) ret = IPHONE_E_SUCCESS;
}
*dump_data = receive;
return bytes;
*recv_bytes = bytes;
return ret;
}
/** Sends lockdownd data to the iPhone
@@ -140,11 +151,12 @@ int iphone_lckd_recv ( iphone_lckd_client_t client, char **dump_data ) {
*
* @return The number of bytes sent
*/
int iphone_lckd_send ( iphone_lckd_client_t client, char *raw_data, uint32_t length ) {
if (!client) return 0;
iphone_error_t iphone_lckd_send ( iphone_lckd_client_t client, char *raw_data, uint32_t length, uint32_t *sent_bytes ) {
if (!client || !raw_data || length == 0 || !sent_bytes) return IPHONE_E_INVALID_ARG;
char *real_query;
int bytes;
iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
real_query = (char*)malloc(sizeof(char) * (length+4));
length = htonl(length);
memcpy(real_query, &length, sizeof(length));
@@ -157,11 +169,15 @@ int iphone_lckd_send ( iphone_lckd_client_t client, char *raw_data, uint32_t len
packet = NULL;
}
if (!client->in_SSL) bytes = iphone_mux_send(client->connection, real_query, ntohl(length)+sizeof(length));
else gnutls_record_send(*client->ssl_session, real_query, ntohl(length)+sizeof(length));
if (!client->in_SSL) ret = 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;
}
if (debug) printf("lockdownd_send(): sent it!\n");
free(real_query);
return bytes;
*sent_bytes = bytes;
return ret;
}
/** Initiates the handshake for the lockdown session. Part of the lockdownd handshake.
@@ -307,11 +323,11 @@ int lockdownd_get_device_public_key(iphone_lckd_client_t control, char **public_
*
* @return 1 on success and 0 on failure
*/
int iphone_lckd_new_client ( iphone_device_t device, iphone_lckd_client_t *client )
iphone_error_t iphone_lckd_new_client ( iphone_device_t device, iphone_lckd_client_t *client )
{
if (!device || !client || (client && *client) )
return IPHONE_E_INVALID_ARG;
int ret = IPHONE_E_SUCCESS;
iphone_error_t ret = IPHONE_E_SUCCESS;
char *host_id = NULL;
iphone_lckd_client_t client_loc = new_lockdownd_client( device );
@@ -815,14 +831,15 @@ ssize_t lockdownd_securead(gnutls_transport_ptr_t transport, char *buffer, size_
*
* @return The port number the service was started on or 0 on failure.
*/
int iphone_lckd_start_service ( iphone_lckd_client_t client, const char *service ) {
if (!client) return 0;
iphone_error_t iphone_lckd_start_service ( iphone_lckd_client_t client, const char *service, int *port ) {
if (!client || !service || !port) return IPHONE_E_INVALID_ARG;
char* host_id = get_host_id();
if (host_id && !client->in_SSL && !lockdownd_start_SSL_session(client, host_id)) return 0;
if (!host_id) return IPHONE_E_INVALID_CONF;
if (!client->in_SSL && !lockdownd_start_SSL_session(client, host_id)) return IPHONE_E_SSL_ERROR;
char *XML_query, **dictionary;
uint32 length, i = 0, port = 0;
uint32 length, i = 0, port_loc = 0;
uint8 result = 0;
free(host_id);
@@ -832,9 +849,9 @@ int iphone_lckd_start_service ( iphone_lckd_client_t client, const char *service
xmlNode *dict = add_child_to_plist(plist, "dict", "\n", NULL, 0);
xmlNode *key;
key = add_key_str_dict_element(plist, dict, "Request", "StartService", 1);
if (!key) { xmlFreeDoc(plist); return 0; }
if (!key) { xmlFreeDoc(plist); return IPHONE_E_UNKNOWN_ERROR; }
key = add_key_str_dict_element(plist, dict, "Service", service, 1);
if (!key) { xmlFreeDoc(plist); return 0; }
if (!key) { xmlFreeDoc(plist); return IPHONE_E_UNKNOWN_ERROR; }
xmlDocDumpMemory(plist, (xmlChar **)&XML_query, &length);
@@ -845,24 +862,24 @@ int iphone_lckd_start_service ( iphone_lckd_client_t client, const char *service
xmlFreeDoc(plist);
if (length <= 0) return 0;
if (length <= 0) return IPHONE_E_NOT_ENOUGH_DATA;
else {
plist = xmlReadMemory(XML_query, length, NULL, NULL, 0);
if (!plist) return 0;
if (!plist) return IPHONE_E_UNKNOWN_ERROR;
dict = xmlDocGetRootElement(plist);
if (!dict) return 0;
if (!dict) return IPHONE_E_UNKNOWN_ERROR;
for (dict = dict->children; dict; dict = dict->next) {
if (!xmlStrcmp(dict->name, "dict")) break;
}
if (!dict) return 0;
if (!dict) return IPHONE_E_UNKNOWN_ERROR;
dictionary = read_dict_element_strings(dict);
for (i = 0; dictionary[i]; i+=2) {
if (debug) printf("lockdownd_start_service() dictionary %s: %s\n", dictionary[i], dictionary[i+1]);
if (!xmlStrcmp(dictionary[i], "Port")) {
port = atoi(dictionary[i+1]);
port_loc = atoi(dictionary[i+1]);
if (debug) printf("lockdownd_start_service() atoi'd port: %i\n", port);
}
@@ -882,9 +899,12 @@ int iphone_lckd_start_service ( iphone_lckd_client_t client, const char *service
free(XML_query);
xmlFreeDoc(plist);
free_dictionary(dictionary);
if (port && result) return port;
else return 0;
if (port && result) {
*port = port_loc;
return IPHONE_E_SUCCESS;
}
else return IPHONE_E_UNKNOWN_ERROR;
}
return 0;
return IPHONE_E_UNKNOWN_ERROR;
}
src/usbmux.c
+30 -18
View File
@@ -116,7 +116,7 @@ void add_connection(iphone_umux_client_t connection) {
* @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.
*/
int iphone_mux_new_client ( iphone_device_t device, uint16_t src_port, uint16_t dst_port, iphone_umux_client_t *client ){
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;
@@ -165,8 +165,10 @@ int iphone_mux_new_client ( iphone_device_t device, uint16_t src_port, uint16_t
* @note Once a connection is closed it may not be used again.
*
* @param connection The connection to close.
*
* @return IPHONE_E_SUCCESS on success.
*/
void iphone_mux_free_client ( iphone_umux_client_t client ) {
iphone_error_t iphone_mux_free_client ( iphone_umux_client_t client ) {
if (!client || !client->phone) return;
client->header->tcp_flags = 0x04;
@@ -183,6 +185,8 @@ void iphone_mux_free_client ( iphone_umux_client_t client ) {
printf("get_iPhone(): when reading, libusb gave me the error: %s\n", usb_strerror());
delete_connection(client);
return IPHONE_E_SUCCESS;
}
@@ -192,15 +196,16 @@ void iphone_mux_free_client ( iphone_umux_client_t client ) {
* @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 The number of bytes sent, minus the header (28), or -1 on error.
* @return IPHONE_E_SUCCESS on success.
*/
int iphone_mux_send ( iphone_umux_client_t client, const char *data, uint32_t datalen ) {
if (!client->phone || !client || !data || datalen == 0) return -1;
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.
int bytes = 0;
*sent_bytes = 0;
if (debug) printf("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
@@ -218,12 +223,12 @@ int iphone_mux_send ( iphone_umux_client_t client, const char *data, uint32_t da
if (debug) printf("actually sending %zi bytes of data at %p\n", sizeof(usbmux_tcp_header)+datalen, buffer);
bytes = send_to_phone(client->phone, buffer, sizeof(usbmux_tcp_header)+datalen);
if (debug) printf("mux_send: sent %i bytes!\n", bytes);
*sent_bytes = send_to_phone(client->phone, buffer, sizeof(usbmux_tcp_header)+datalen);
if (debug) printf("mux_send: sent %i bytes!\n", *sent_bytes);
// Now that we've sent it off, we can clean up after our sloppy selves.
if (debug) {
FILE *packet = fopen("packet", "a+");
fwrite(buffer, 1, bytes, packet);
fwrite(buffer, 1, *sent_bytes, packet);
fclose(packet);
printf("\n");
}
@@ -238,13 +243,14 @@ int iphone_mux_send ( iphone_umux_client_t client, const char *data, uint32_t da
client->header->length16 = ntohs(client->header->length16);
// Now return the bytes.
if (bytes < sizeof(usbmux_tcp_header)+datalen) {
return -1; // blah
if (*sent_bytes < sizeof(usbmux_tcp_header)+datalen) {
*sent_bytes = 0;
return IPHONE_E_NOT_ENOUGH_DATA;
} else {
return bytes - 28; // actual length sent. :/
*sent_bytes = *sent_bytes - 28; // actual length sent. :/
}
return bytes; // or something
return IPHONE_E_UNKNOWN_ERROR;
}
/** This is a higher-level USBMuxTCP-like function
@@ -255,7 +261,10 @@ int iphone_mux_send ( iphone_umux_client_t client, const char *data, uint32_t da
*
* @return How many bytes were read, or -1 if something bad happens.
*/
int iphone_mux_recv ( iphone_umux_client_t client, char *data, uint32_t datalen ) {
iphone_error_t iphone_mux_recv ( iphone_umux_client_t client, char *data, uint32_t datalen, uint32_t *recv_bytes ) {
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.
@@ -268,6 +277,7 @@ int iphone_mux_recv ( iphone_umux_client_t client, char *data, uint32_t datalen
*/
if (debug) printf("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;
@@ -304,7 +314,7 @@ int iphone_mux_recv ( iphone_umux_client_t client, char *data, uint32_t datalen
if (bytes < 28) {
free(buffer);
if (debug) printf("mux_recv: Did not even get the header.\n");
return -1;
return IPHONE_E_NOT_ENOUGH_DATA;
}
header = (usbmux_tcp_header*)buffer;
@@ -332,7 +342,7 @@ int iphone_mux_recv ( iphone_umux_client_t client, char *data, uint32_t datalen
// Free our buffer and continue.
free(buffer);
buffer = NULL;
return iphone_mux_recv(client, data, datalen); // recurse back in to try again
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.
@@ -348,13 +358,15 @@ int iphone_mux_recv ( iphone_umux_client_t client, char *data, uint32_t datalen
memcpy(client->recv_buffer+complex, buffer+28+datalen, (bytes-28) - datalen);
free(buffer);
client->header->ocnt += bytes-28;
return datalen;
*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);
return (bytes-28);
*recv_bytes = bytes - 28;
return IPHONE_E_SUCCESS;
}
// If we get to this point, 'tis probably bad.