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/**
* @file libimobiledevice/debugserver.h
* @brief Communicate with debugserver on the device.
* \internal
*
* Copyright (c) 2014 Martin Szulecki 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
*/
#ifndef IDEBUGSERVER_H
#define IDEBUGSERVER_H
#ifdef __cplusplus
extern "C" {
#endif
#include <libimobiledevice/libimobiledevice.h>
#include <libimobiledevice/lockdown.h>
/** Service identifier passed to lockdownd_start_service() to start the debugserver service */
#define DEBUGSERVER_SERVICE_NAME "com.apple.debugserver"
/** Service identifier passed to lockdownd_start_service() to start the secure debugserver service */
#define DEBUGSERVER_SECURE_SERVICE_NAME DEBUGSERVER_SERVICE_NAME ".DVTSecureSocketProxy"
/** Error Codes */
typedef enum {
DEBUGSERVER_E_SUCCESS = 0,
DEBUGSERVER_E_INVALID_ARG = -1,
DEBUGSERVER_E_MUX_ERROR = -2,
DEBUGSERVER_E_SSL_ERROR = -3,
DEBUGSERVER_E_RESPONSE_ERROR = -4,
DEBUGSERVER_E_TIMEOUT = -5,
DEBUGSERVER_E_UNKNOWN_ERROR = -256
} debugserver_error_t;
typedef struct debugserver_client_private debugserver_client_private; /**< \private */
typedef debugserver_client_private *debugserver_client_t; /**< The client handle. */
typedef struct debugserver_command_private debugserver_command_private; /**< \private */
typedef debugserver_command_private *debugserver_command_t; /**< The command handle. */
/* Interface */
/**
* Connects to the debugserver service on the specified device.
*
* @param device The device to connect to.
* @param service The service descriptor returned by lockdownd_start_service.
* @param client Pointer that will point to a newly allocated
* debugserver_client_t upon successful return. Must be freed using
* debugserver_client_free() after use.
*
* @return DEBUGSERVER_E_SUCCESS on success, DEBUGSERVER_E_INVALID_ARG when
* client is NULL, or an DEBUGSERVER_E_* error code otherwise.
*/
debugserver_error_t debugserver_client_new(idevice_t device, lockdownd_service_descriptor_t service, debugserver_client_t * client);
/**
* Starts a new debugserver service on the specified device and connects to it.
*
* @param device The device to connect to.
* @param client Pointer that will point to a newly allocated
* debugserver_client_t upon successful return. Must be freed using
* debugserver_client_free() after use.
* @param label The label to use for communication. Usually the program name.
* Pass NULL to disable sending the label in requests to lockdownd.
*
* @return DEBUGSERVER_E_SUCCESS on success, or an DEBUGSERVER_E_* error
* code otherwise.
*/
debugserver_error_t debugserver_client_start_service(idevice_t device, debugserver_client_t * client, const char* label);
/**
* Disconnects a debugserver client from the device and frees up the
* debugserver client data.
*
* @param client The debugserver client to disconnect and free.
*
* @return DEBUGSERVER_E_SUCCESS on success, DEBUGSERVER_E_INVALID_ARG when
* client is NULL, or an DEBUGSERVER_E_* error code otherwise.
*/
debugserver_error_t debugserver_client_free(debugserver_client_t client);
/**
* Sends raw data using the given debugserver service client.
*
* @param client The debugserver client to use for sending
* @param data Data to send
* @param size Size of the data to send
* @param sent Number of bytes sent (can be NULL to ignore)
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when one or more parameters are
* invalid, or DEBUGSERVER_E_UNKNOWN_ERROR when an unspecified
* error occurs.
*/
debugserver_error_t debugserver_client_send(debugserver_client_t client, const char* data, uint32_t size, uint32_t *sent);
/**
* Receives raw data using the given debugserver client with specified timeout.
*
* @param client The debugserver client to use for receiving
* @param data Buffer that will be filled with the data received
* @param size Number of bytes to receive
* @param received Number of bytes received (can be NULL to ignore)
* @param timeout Maximum time in milliseconds to wait for data.
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when one or more parameters are
* invalid, DEBUGSERVER_E_MUX_ERROR when a communication error
* occurs, DEBUGSERVER_E_TIMEOUT when the timeout is reached,
* or DEBUGSERVER_E_UNKNOWN_ERROR when an unspecified
* error occurs.
*/
debugserver_error_t debugserver_client_receive_with_timeout(debugserver_client_t client, char *data, uint32_t size, uint32_t *received, unsigned int timeout);
/**
* Receives raw data from the debugserver service.
*
* @param client The debugserver client
* @param data Buffer that will be filled with the data received
* @param size Number of bytes to receive
* @param received Number of bytes received (can be NULL to ignore)
* @note The default read timeout is 10 seconds.
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when client or plist is NULL
*/
debugserver_error_t debugserver_client_receive(debugserver_client_t client, char *data, uint32_t size, uint32_t *received);
/**
* Sends a command to the debugserver service.
*
* @param client The debugserver client
* @param command Command to process and send
* @param response Response received for the command (can be NULL to ignore)
* @param response_size Pointer to receive response size. Set to NULL to ignore.
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when client or command is NULL
*/
debugserver_error_t debugserver_client_send_command(debugserver_client_t client, debugserver_command_t command, char** response, size_t* response_size);
/**
* Receives and parses response of debugserver service.
*
* @param client The debugserver client
* @param response Response received for last command (can be NULL to ignore)
* @param response_size Pointer to receive response size. Set to NULL to ignore.
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when client is NULL
*/
debugserver_error_t debugserver_client_receive_response(debugserver_client_t client, char** response, size_t* response_size);
/**
* Controls status of ACK mode when sending commands or receiving responses.
*
* @see debugserver_client_send_command, debugserver_client_receive_response
*
* @param client The debugserver client
* @param enabled A boolean flag indicating whether the internal ACK mode
* handling should be enabled or disabled.
*
* @return DEBUGSERVER_E_SUCCESS on success, or an DEBUGSERVER_E_* error
* code otherwise.
*/
debugserver_error_t debugserver_client_set_ack_mode(debugserver_client_t client, int enabled);
/**
* Sets behavior when awaiting a response from the server.
*
* @see debugserver_client_send_command, debugserver_client_receive_response,
* debugserver_client_receive
*
* @param client The debugserver client
* @param cancel_receive A function pointer that will be called approximately
* every receive_loop_timeout milliseconds; the function should return a
* boolean flag specifying whether to stop waiting for a response. If NULL,
* behaves as if it always returns true.
* @param receive_loop_timeout Time in milliseconds between calls to
* cancel_receive.
*
* @return DEBUGSERVER_E_SUCCESS on success, or an DEBUGSERVER_E_* error
* code otherwise.
*/
debugserver_error_t debugserver_client_set_receive_params(debugserver_client_t client, int (*cancel_receive)(), int receive_loop_timeout);
/**
* Sets the argv which launches an app.
*
* @param client The debugserver client
* @param argc Number of arguments
* @param argv Array starting with the executable to be run followed by it's arguments
* @param response Response received for the command (can be NULL to ignore)
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when client is NULL
*/
debugserver_error_t debugserver_client_set_argv(debugserver_client_t client, int argc, char* argv[], char** response);
/**
* Adds or sets an environment variable.
*
* @param client The debugserver client
* @param env The environment variable in "KEY=VALUE" notation
* @param response Response received for the command (can be NULL to ignore)
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when client is NULL
*/
debugserver_error_t debugserver_client_set_environment_hex_encoded(debugserver_client_t client, const char* env, char** response);
/**
* Creates and initializes a new command object.
*
* @param name The name of the command which is sent in plain text
* @param argv Array of tokens for the command ment to be encoded
* @param argc Number of items in the token array
* @param command New command object
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when name or command is NULL
*/
debugserver_error_t debugserver_command_new(const char* name, int argc, char* argv[], debugserver_command_t* command);
/**
* Frees memory of command object.
*
* @param command The command object
*
* @return DEBUGSERVER_E_SUCCESS on success,
* DEBUGSERVER_E_INVALID_ARG when command is NULL
*/
debugserver_error_t debugserver_command_free(debugserver_command_t command);
/**
* Encodes a string into hex notation.
*
* @param buffer String to encode into hex notiation
* @param encoded_buffer The buffer receives a hex encoded string
* @param encoded_length Length of the hex encoded string
*/
void debugserver_encode_string(const char* buffer, char** encoded_buffer, uint32_t* encoded_length);
/**
* Decodes a hex encoded string.
*
* @param encoded_buffer The buffer with a hex encoded string
* @param encoded_length Length of the encoded buffer
* @param buffer Decoded string to be freed by the caller
*/
void debugserver_decode_string(const char *encoded_buffer, size_t encoded_length, char** buffer);
#ifdef __cplusplus
}
#endif
#endif