AFC.c - third_party/libimobiledevice - Git at Google

 /*
  * AFC.c -- contains functions for the built-in AFC client.
  * Written by FxChiP
  */

 #include "AFC.h"

 extern int debug;

 AFClient *afc_connect(iPhone *phone, int s_port, int d_port) {
 	if (!phone) return NULL;
 	AFClient *client = (AFClient*)malloc(sizeof(AFClient));
 	client->connection = mux_connect(phone, s_port, d_port);
 	if (!client->connection) { free(client); return NULL; }
 	else {
 		client->afc_packet = (AFCPacket*)malloc(sizeof(AFCPacket));
 		if (client->afc_packet) {
 			client->phone = phone;
 			client->afc_packet->packet_num = 0;
 			client->afc_packet->unknown1 = client->afc_packet->unknown2 = client->afc_packet->unknown3 = client->afc_packet->unknown4 = client->afc_packet->entire_length = client->afc_packet->this_length = 0;
 			client->afc_packet->header1 = 0x36414643;
 			client->afc_packet->header2 = 0x4141504C;
 			client->file_handle = 0;
 			return client;
 		} else {
 			mux_close_connection(client->phone, client->connection);
 			free(client);
 			return NULL;
 		}
 	}

 	return NULL; // should never get to this point
 }

 void afc_disconnect(AFClient *client) {
 	// client and its members should never be NULL is assumed here.
 	if (!client || !client->connection || !client->phone || !client->afc_packet) return;
 	mux_close_connection(client->phone, client->connection);
 	free(client->afc_packet);
 	free(client);
 }

 int count_nullspaces(char *string, int number) {
 	int i = 0, nulls = 0;
 	for (i = 0; i < number; i++) {
 		if (string[i] == '\0') nulls++;
 	}
 	return nulls;
 }

 int dispatch_AFC_packet(AFClient *client, char *data, int length) {
 	char *buffer;
 	int bytes = 0, offset = 0;
 	if (!client || !client->connection || !client->phone || !client->afc_packet) return 0;
 	if (!data || !length) length = 0;

 	client->afc_packet->packet_num++;
 	if (!client->afc_packet->entire_length) client->afc_packet->entire_length = client->afc_packet->this_length = (length) ? sizeof(AFCPacket) + length + 1 : sizeof(AFCPacket);
 	if (!client->afc_packet->this_length) client->afc_packet->this_length = sizeof(AFCPacket);

 	if (client->afc_packet->this_length != client->afc_packet->entire_length) {
 		// We want to send two segments; buffer+sizeof(AFCPacket) to this_length is the parameters
 		// And everything beyond that is the next packet. (for writing)
 		char *buffer = (char*)malloc(client->afc_packet->this_length);
 		memcpy(buffer, (char*)client->afc_packet, sizeof(AFCPacket));
 		offset = client->afc_packet->this_length - sizeof(AFCPacket);
 		if (debug) printf("dispatch_AFC_packet: Offset: %i\n", offset);
 		if ((length) < (client->afc_packet->entire_length - client->afc_packet->this_length)) {
 			if (debug) printf("dispatch_AFC_packet: Length did not resemble what it was supposed to based on the packet.\nlength minus offset: %i\nrest of packet: %i\n", length-offset, client->afc_packet->entire_length - client->afc_packet->this_length);
 			free(buffer);
 			return 0;
 		}
 		if (debug) printf("dispatch_AFC_packet: fucked-up packet method (probably a write)\n");
 		memcpy(buffer+sizeof(AFCPacket), data, offset);
 		bytes = mux_send(client->phone, client->connection, buffer, client->afc_packet->this_length);
 		free(buffer);
 		if (bytes <= 0) { return 0; }
 		if (debug) {
 			printf("dispatch_AFC_packet: sent the first now go with the second\n");
 			printf("Length: %i\n", length-offset);
 			printf("Buffer: \n");
 			fwrite(data+offset, 1, length-offset, stdout);
 		}


 		bytes = mux_send(client->phone, client->connection, data+offset, length-offset);
 		if (bytes <= 0) { return 0; }
 		else { return bytes; }
 	} else {
 		if (debug) printf("dispatch_AFC_packet doin things the old way\n");
 		char *buffer = (char*)malloc(sizeof(char) * client->afc_packet->this_length);
 		if (debug) printf("dispatch_AFC_packet packet length = %i\n", client->afc_packet->this_length);
 		memcpy(buffer, (char*)client->afc_packet, sizeof(AFCPacket));
 		if (debug) printf("dispatch_AFC_packet packet data follows\n");
 		if (length > 0) { memcpy(buffer+sizeof(AFCPacket), data, length); buffer[sizeof(AFCPacket)+length] = '\0'; }
 		if (debug) fwrite(buffer, 1, client->afc_packet->this_length, stdout);
 		if (debug) printf("\n");
 		bytes = mux_send(client->phone, client->connection, buffer, client->afc_packet->this_length);
 		if (bytes <= 0) return 0;
 		else return bytes;
 	}
 	return 0;
 }

 int receive_AFC_data(AFClient *client, char **dump_here) {
 	AFCPacket *r_packet;
 	char *buffer = (char*)malloc(sizeof(AFCPacket) * 4);
 	int bytes = 0, recv_len = 0;

 	bytes = mux_recv(client->phone, client->connection, buffer, sizeof(AFCPacket) * 4);
 	if (bytes <= 0) {
 		free(buffer);
 		printf("Just didn't get enough.\n");
 		*dump_here = NULL;
 		return 0;
 	}

 	r_packet = (AFCPacket*)malloc(sizeof(AFCPacket));
 	memcpy(r_packet, buffer, sizeof(AFCPacket));

 	if (r_packet->entire_length == r_packet->this_length && r_packet->entire_length > sizeof(AFCPacket) && r_packet->operation != AFC_ERROR) {
 		*dump_here = (char*)malloc(sizeof(char) * (r_packet->entire_length-sizeof(AFCPacket)));
 		memcpy(*dump_here, buffer+sizeof(AFCPacket), r_packet->entire_length-sizeof(AFCPacket));
 		free(buffer);
 		free(r_packet);
 		return r_packet->entire_length - sizeof(AFCPacket);
 	}

 	uint32 param1 = buffer[sizeof(AFCPacket)];
 	free(buffer);

 	if (r_packet->operation == 0x01 && !((client->afc_packet->operation == AFC_DELETE && param1 == 7))) {
 		if (debug) printf("Oops? Bad operation code received.\n");
 		if (param1 == 0) {
 			if (debug) printf("... false alarm, but still\n");
 			return 1;
 		}
 		else { if (debug) printf("Errno %i\n", param1); }
 		free(r_packet);
 		*dump_here = NULL;
 		return 0;
 	} else {
 		if (debug) printf("Operation code %x\nFull length %i and this length %i\n", r_packet->operation, r_packet->entire_length, r_packet->this_length);
 	}

 	recv_len = r_packet->entire_length - r_packet->this_length;
 	free(r_packet);
 	if (!recv_len) return bytes;
 	buffer = (char*)malloc(sizeof(char) * recv_len);
 	bytes = mux_recv(client->phone, client->connection, buffer, recv_len);
 	if (bytes <= 0) {
 		free(buffer);
 		printf("Didn't get it at the second pass.\n");
 		*dump_here = NULL;
 		return 0;
 	}

 	*dump_here = buffer; // what they do beyond this point = not my problem
 	return bytes;
 }

 char **afc_get_dir_list(AFClient *client, char *dir) {
 	client->afc_packet->operation = AFC_LIST_DIR;
 	int bytes = 0;
 	char *blah = NULL, **list = NULL;
 	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
 	bytes = dispatch_AFC_packet(client, dir, strlen(dir));
 	if (!bytes) return NULL;

 	bytes = receive_AFC_data(client, &blah);
 	if (!bytes && !blah) return NULL;

 	list = make_strings_list(blah, bytes);
 	free(blah);
 	return list;
 }

 char **make_strings_list(char *tokens, int true_length) {
 	if (!tokens || !true_length) return NULL;
 	int nulls = 0, i = 0, j = 0;
 	char **list = NULL;

 	nulls = count_nullspaces(tokens, true_length);
 	list = (char**)malloc(sizeof(char*) * (nulls + 1));
 	for (i = 0; i < nulls; i++) {
 		list[i] = strdup(tokens+j);
 		j += strlen(list[i]) + 1;
 	}
 	list[i] = strdup("");
 	return list;
 }

 int afc_delete_file(AFClient *client, const char *path) {
 	if (!client || !path || !client->afc_packet || !client->phone ||!client->connection) return 0;

 	char *receive = NULL;
 	client->afc_packet->this_length = client->afc_packet->entire_length = 0;
 	client->afc_packet->operation = AFC_DELETE;
 	int bytes;
 	bytes = dispatch_AFC_packet(client, path, strlen(path));
 	if (bytes <= 0) return 0;

 	bytes = receive_AFC_data(client, &receive);
 	free(receive);
 	if (bytes <= 0) return 0;
 	else return 1;
 }

 int afc_rename_file(AFClient *client, const char *from, const char *to) {
 	if (!client || !from || !to || !client->afc_packet || !client->phone || !client->connection) return 0;

 	char *receive = NULL;
 	char *send = (char*)malloc(sizeof(char) * (strlen(from) + strlen(to) + 1 + sizeof(uint32)));
 	int bytes = 0;

 	memcpy(send, from, strlen(from)+1);
 	memcpy(send+strlen(from)+1, to, strlen(to));
 	fwrite(send, 1, strlen(from)+1+strlen(to), stdout);
 	printf("\n");
 	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
 	client->afc_packet->operation = AFC_RENAME;
 	bytes = dispatch_AFC_packet(client, send, strlen(to) + strlen(from) + 2);
 	if (bytes <= 0) return 0;

 	bytes = receive_AFC_data(client, &receive);
 	free(receive);
 	if (bytes <= 0) return 0;
 	else return 1;
 }


 AFCFile *afc_get_file_info(AFClient *client, char *path) {
 	client->afc_packet->operation = AFC_GET_INFO;
 	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
 	dispatch_AFC_packet(client, path, strlen(path));

 	char *received, **list;
 	AFCFile *my_file;
 	int length, i = 0;

 	length = receive_AFC_data(client, &received);
 	list = make_strings_list(received, length);
 	free(received);
 	if (list) {
 		my_file = (AFCFile *)malloc(sizeof(AFCFile));
 		for (i = 0; strcmp(list[i], ""); i++) {
 			if (!strcmp(list[i], "st_size")) {
 				my_file->size = atoi(list[i+1]);
 			}


 			if (!strcmp(list[i], "st_blocks")) {
 				my_file->blocks = atoi(list[i+1]);
 			}

 			if (!strcmp(list[i], "st_ifmt")) {
 				if (!strcmp(list[i+1], "S_IFREG")) {
 					my_file->type = S_IFREG;
 				} else if (!strcmp(list[i+1], "S_IFDIR")) {
 					my_file->type = S_IFDIR;
 				}
 			}
 		}
 		free_dictionary(list);
 		return my_file;
 	} else {
 		return NULL;
 	}
 }

 AFCFile *afc_open_file(AFClient *client, const char *filename, uint32 file_mode) {
 	if (file_mode != AFC_FILE_READ && file_mode != AFC_FILE_WRITE) return NULL;
 	if (!client ||!client->connection || !client->phone ||!client->afc_packet) return NULL;
 	char *further_data = (char*)malloc(sizeof(char) * (8 + strlen(filename) + 1));
 	AFCFile *file_infos = NULL;
 	memcpy(further_data, &file_mode, 4);
 	uint32 ag = 0;
 	memcpy(further_data+4, &ag, 4);
 	memcpy(further_data+8, filename, strlen(filename));
 	further_data[8+strlen(filename)] = '\0';
 	int bytes = 0, length_thing = 0;
 	client->afc_packet->operation = AFC_FILE_OPEN;

 	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
 	bytes = dispatch_AFC_packet(client, further_data, 8+strlen(filename));
 	free(further_data);
 	if (bytes <= 0) {
 		if (debug) printf("didn't read enough\n");
 		return NULL;
 	} else {
 		length_thing = receive_AFC_data(client, &further_data);
 		if (length_thing && further_data) {
 			file_infos = afc_get_file_info(client, filename);
 			memcpy(&file_infos->filehandle, further_data, 4);
 			return file_infos;
 		} else {
 			if (debug) printf("didn't get further data or something\n");
 			return NULL;
 		}
 	}
 	if (debug) printf("what the fuck\n");
 	return NULL;
 }

 int afc_read_file(AFClient *client, AFCFile *file, char *data, int length) {
 	if (!client || !client->afc_packet || !client->phone || !client->connection || !file) return -1;
 	AFCFilePacket *packet = (AFCFilePacket*)malloc(sizeof(AFCFilePacket));
 	char *input = NULL;
 	packet->unknown1 = packet->unknown2 = 0;
 	packet->filehandle = file->filehandle;
 	packet->size = length;
 	int bytes = 0;

 	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));

 	if (bytes > 0) {
 		bytes = receive_AFC_data(client, &input);
 		if (bytes <= 0) {
 			if (input) free(input);
 			return -1;
 		} else {
 			memcpy(data, input, (bytes > length) ? length : bytes);
 			free(input);
 			return (bytes > length) ? length : bytes;
 		}
 	} else {
 		return -1;
 	}
 	return 0;
 }

 int afc_write_file(AFClient *client, AFCFile *file, char *data, int length) {
 	char *acknowledgement = NULL;
 	if (!client ||!client->afc_packet ||!client->phone || !client->connection || !file) return -1;
 	client->afc_packet->this_length = sizeof(AFCPacket) + 8;
 	client->afc_packet->entire_length = client->afc_packet->this_length + length;
 	client->afc_packet->operation = AFC_WRITE;
 	if (debug) printf("afc_write_file: Write length: %i\n", length);
 	uint32 zero = 0, bytes = 0;

 	char *out_buffer = NULL;
 	out_buffer = (char*)malloc(sizeof(char) * client->afc_packet->entire_length - sizeof(AFCPacket));
 	memcpy(out_buffer, (char*)&file->filehandle, sizeof(uint32));
 	memcpy(out_buffer+4, (char*)&zero, sizeof(uint32));
 	memcpy(out_buffer+8, data, length);

 	bytes = dispatch_AFC_packet(client, out_buffer, length + 8);
 	if (!bytes) return -1;

 	zero = bytes;
 	bytes = receive_AFC_data(client, &acknowledgement);
 	if (bytes <= 0) {
 		if (debug) printf("afc_write_file: uh oh?\n");
 	}

 	return zero;
 }

 void afc_close_file(AFClient *client, AFCFile *file) {
 	char *buffer = malloc(sizeof(char) * 8);
 	uint32 zero = 0;
 	if (debug) printf("File handle %i\n", file->filehandle);
 	memcpy(buffer, &file->filehandle, sizeof(uint32));
 	memcpy(buffer+sizeof(uint32), &zero, sizeof(zero));
 	client->afc_packet->operation = AFC_FILE_CLOSE;
 	int bytes = 0;
 	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
 	bytes = dispatch_AFC_packet(client, buffer, sizeof(char) * 8);

 	free(buffer);
 	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
 	if (!bytes) return;

 	bytes = receive_AFC_data(client, &buffer);
 	return;
 	if (buffer) free(buffer); // we're *SUPPOSED* to get an "error" here.
 }
	/*
	* AFC.c -- contains functions for the built-in AFC client.
	* Written by FxChiP
	*/

	#include "AFC.h"

	extern int debug;

	AFClient afc_connect(iPhone phone, int s_port, int d_port) {
	if (!phone) return NULL;
	AFClient client = (AFClient)malloc(sizeof(AFClient));
	client->connection = mux_connect(phone, s_port, d_port);
	if (!client->connection) { free(client); return NULL; }
	else {
	client->afc_packet = (AFCPacket*)malloc(sizeof(AFCPacket));
	if (client->afc_packet) {
	client->phone = phone;
	client->afc_packet->packet_num = 0;
	client->afc_packet->unknown1 = client->afc_packet->unknown2 = client->afc_packet->unknown3 = client->afc_packet->unknown4 = client->afc_packet->entire_length = client->afc_packet->this_length = 0;
	client->afc_packet->header1 = 0x36414643;
	client->afc_packet->header2 = 0x4141504C;
	client->file_handle = 0;
	return client;
	} else {
	mux_close_connection(client->phone, client->connection);
	free(client);
	return NULL;
	}
	}

	return NULL; // should never get to this point
	}

	void afc_disconnect(AFClient *client) {
	// client and its members should never be NULL is assumed here.
	if (!client \|\| !client->connection \|\| !client->phone \|\| !client->afc_packet) return;
	mux_close_connection(client->phone, client->connection);
	free(client->afc_packet);
	free(client);
	}

	int count_nullspaces(char *string, int number) {
	int i = 0, nulls = 0;
	for (i = 0; i < number; i++) {
	if (string[i] == '\0') nulls++;
	}
	return nulls;
	}

	int dispatch_AFC_packet(AFClient client, char data, int length) {
	char *buffer;
	int bytes = 0, offset = 0;
	if (!client \|\| !client->connection \|\| !client->phone \|\| !client->afc_packet) return 0;
	if (!data \|\| !length) length = 0;

	client->afc_packet->packet_num++;
	if (!client->afc_packet->entire_length) client->afc_packet->entire_length = client->afc_packet->this_length = (length) ? sizeof(AFCPacket) + length + 1 : sizeof(AFCPacket);
	if (!client->afc_packet->this_length) client->afc_packet->this_length = sizeof(AFCPacket);

	if (client->afc_packet->this_length != client->afc_packet->entire_length) {
	// We want to send two segments; buffer+sizeof(AFCPacket) to this_length is the parameters
	// And everything beyond that is the next packet. (for writing)
	char buffer = (char)malloc(client->afc_packet->this_length);
	memcpy(buffer, (char*)client->afc_packet, sizeof(AFCPacket));
	offset = client->afc_packet->this_length - sizeof(AFCPacket);
	if (debug) printf("dispatch_AFC_packet: Offset: %i\n", offset);
	if ((length) < (client->afc_packet->entire_length - client->afc_packet->this_length)) {
	if (debug) printf("dispatch_AFC_packet: Length did not resemble what it was supposed to based on the packet.\nlength minus offset: %i\nrest of packet: %i\n", length-offset, client->afc_packet->entire_length - client->afc_packet->this_length);
	free(buffer);
	return 0;
	}
	if (debug) printf("dispatch_AFC_packet: fucked-up packet method (probably a write)\n");
	memcpy(buffer+sizeof(AFCPacket), data, offset);
	bytes = mux_send(client->phone, client->connection, buffer, client->afc_packet->this_length);
	free(buffer);
	if (bytes <= 0) { return 0; }
	if (debug) {
	printf("dispatch_AFC_packet: sent the first now go with the second\n");
	printf("Length: %i\n", length-offset);
	printf("Buffer: \n");
	fwrite(data+offset, 1, length-offset, stdout);
	}


	bytes = mux_send(client->phone, client->connection, data+offset, length-offset);
	if (bytes <= 0) { return 0; }
	else { return bytes; }
	} else {
	if (debug) printf("dispatch_AFC_packet doin things the old way\n");
	char buffer = (char)malloc(sizeof(char) * client->afc_packet->this_length);
	if (debug) printf("dispatch_AFC_packet packet length = %i\n", client->afc_packet->this_length);
	memcpy(buffer, (char*)client->afc_packet, sizeof(AFCPacket));
	if (debug) printf("dispatch_AFC_packet packet data follows\n");
	if (length > 0) { memcpy(buffer+sizeof(AFCPacket), data, length); buffer[sizeof(AFCPacket)+length] = '\0'; }
	if (debug) fwrite(buffer, 1, client->afc_packet->this_length, stdout);
	if (debug) printf("\n");
	bytes = mux_send(client->phone, client->connection, buffer, client->afc_packet->this_length);
	if (bytes <= 0) return 0;
	else return bytes;
	}
	return 0;
	}

	int receive_AFC_data(AFClient client, char *dump_here) {
	AFCPacket *r_packet;
	char buffer = (char)malloc(sizeof(AFCPacket) * 4);
	int bytes = 0, recv_len = 0;

	bytes = mux_recv(client->phone, client->connection, buffer, sizeof(AFCPacket) * 4);
	if (bytes <= 0) {
	free(buffer);
	printf("Just didn't get enough.\n");
	*dump_here = NULL;
	return 0;
	}

	r_packet = (AFCPacket*)malloc(sizeof(AFCPacket));
	memcpy(r_packet, buffer, sizeof(AFCPacket));

	if (r_packet->entire_length == r_packet->this_length && r_packet->entire_length > sizeof(AFCPacket) && r_packet->operation != AFC_ERROR) {
	dump_here = (char)malloc(sizeof(char) * (r_packet->entire_length-sizeof(AFCPacket)));
	memcpy(*dump_here, buffer+sizeof(AFCPacket), r_packet->entire_length-sizeof(AFCPacket));
	free(buffer);
	free(r_packet);
	return r_packet->entire_length - sizeof(AFCPacket);
	}

	uint32 param1 = buffer[sizeof(AFCPacket)];
	free(buffer);

	if (r_packet->operation == 0x01 && !((client->afc_packet->operation == AFC_DELETE && param1 == 7))) {
	if (debug) printf("Oops? Bad operation code received.\n");
	if (param1 == 0) {
	if (debug) printf("... false alarm, but still\n");
	return 1;
	}
	else { if (debug) printf("Errno %i\n", param1); }
	free(r_packet);
	*dump_here = NULL;
	return 0;
	} else {
	if (debug) printf("Operation code %x\nFull length %i and this length %i\n", r_packet->operation, r_packet->entire_length, r_packet->this_length);
	}

	recv_len = r_packet->entire_length - r_packet->this_length;
	free(r_packet);
	if (!recv_len) return bytes;
	buffer = (char)malloc(sizeof(char) recv_len);
	bytes = mux_recv(client->phone, client->connection, buffer, recv_len);
	if (bytes <= 0) {
	free(buffer);
	printf("Didn't get it at the second pass.\n");
	*dump_here = NULL;
	return 0;
	}

	*dump_here = buffer; // what they do beyond this point = not my problem
	return bytes;
	}

	char *afc_get_dir_list(AFClient client, char *dir) {
	client->afc_packet->operation = AFC_LIST_DIR;
	int bytes = 0;
	char blah = NULL, *list = NULL;
	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
	bytes = dispatch_AFC_packet(client, dir, strlen(dir));
	if (!bytes) return NULL;

	bytes = receive_AFC_data(client, &blah);
	if (!bytes && !blah) return NULL;

	list = make_strings_list(blah, bytes);
	free(blah);
	return list;
	}

	char *make_strings_list(char tokens, int true_length) {
	if (!tokens \|\| !true_length) return NULL;
	int nulls = 0, i = 0, j = 0;
	char **list = NULL;

	nulls = count_nullspaces(tokens, true_length);
	list = (char*)malloc(sizeof(char) * (nulls + 1));
	for (i = 0; i < nulls; i++) {
	list[i] = strdup(tokens+j);
	j += strlen(list[i]) + 1;
	}
	list[i] = strdup("");
	return list;
	}

	int afc_delete_file(AFClient client, const char path) {
	if (!client \|\| !path \|\| !client->afc_packet \|\| !client->phone \|\|!client->connection) return 0;

	char *receive = NULL;
	client->afc_packet->this_length = client->afc_packet->entire_length = 0;
	client->afc_packet->operation = AFC_DELETE;
	int bytes;
	bytes = dispatch_AFC_packet(client, path, strlen(path));
	if (bytes <= 0) return 0;

	bytes = receive_AFC_data(client, &receive);
	free(receive);
	if (bytes <= 0) return 0;
	else return 1;
	}

	int afc_rename_file(AFClient client, const char from, const char *to) {
	if (!client \|\| !from \|\| !to \|\| !client->afc_packet \|\| !client->phone \|\| !client->connection) return 0;

	char *receive = NULL;
	char send = (char)malloc(sizeof(char) * (strlen(from) + strlen(to) + 1 + sizeof(uint32)));
	int bytes = 0;

	memcpy(send, from, strlen(from)+1);
	memcpy(send+strlen(from)+1, to, strlen(to));
	fwrite(send, 1, strlen(from)+1+strlen(to), stdout);
	printf("\n");
	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
	client->afc_packet->operation = AFC_RENAME;
	bytes = dispatch_AFC_packet(client, send, strlen(to) + strlen(from) + 2);
	if (bytes <= 0) return 0;

	bytes = receive_AFC_data(client, &receive);
	free(receive);
	if (bytes <= 0) return 0;
	else return 1;
	}



	AFCFile afc_get_file_info(AFClient client, char *path) {
	client->afc_packet->operation = AFC_GET_INFO;
	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
	dispatch_AFC_packet(client, path, strlen(path));

	char received, *list;
	AFCFile *my_file;
	int length, i = 0;

	length = receive_AFC_data(client, &received);
	list = make_strings_list(received, length);
	free(received);
	if (list) {
	my_file = (AFCFile *)malloc(sizeof(AFCFile));
	for (i = 0; strcmp(list[i], ""); i++) {
	if (!strcmp(list[i], "st_size")) {
	my_file->size = atoi(list[i+1]);
	}


	if (!strcmp(list[i], "st_blocks")) {
	my_file->blocks = atoi(list[i+1]);
	}

	if (!strcmp(list[i], "st_ifmt")) {
	if (!strcmp(list[i+1], "S_IFREG")) {
	my_file->type = S_IFREG;
	} else if (!strcmp(list[i+1], "S_IFDIR")) {
	my_file->type = S_IFDIR;
	}
	}
	}
	free_dictionary(list);
	return my_file;
	} else {
	return NULL;
	}
	}

	AFCFile afc_open_file(AFClient client, const char *filename, uint32 file_mode) {
	if (file_mode != AFC_FILE_READ && file_mode != AFC_FILE_WRITE) return NULL;
	if (!client \|\|!client->connection \|\| !client->phone \|\|!client->afc_packet) return NULL;
	char further_data = (char)malloc(sizeof(char) * (8 + strlen(filename) + 1));
	AFCFile *file_infos = NULL;
	memcpy(further_data, &file_mode, 4);
	uint32 ag = 0;
	memcpy(further_data+4, &ag, 4);
	memcpy(further_data+8, filename, strlen(filename));
	further_data[8+strlen(filename)] = '\0';
	int bytes = 0, length_thing = 0;
	client->afc_packet->operation = AFC_FILE_OPEN;

	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
	bytes = dispatch_AFC_packet(client, further_data, 8+strlen(filename));
	free(further_data);
	if (bytes <= 0) {
	if (debug) printf("didn't read enough\n");
	return NULL;
	} else {
	length_thing = receive_AFC_data(client, &further_data);
	if (length_thing && further_data) {
	file_infos = afc_get_file_info(client, filename);
	memcpy(&file_infos->filehandle, further_data, 4);
	return file_infos;
	} else {
	if (debug) printf("didn't get further data or something\n");
	return NULL;
	}
	}
	if (debug) printf("what the fuck\n");
	return NULL;
	}

	int afc_read_file(AFClient client, AFCFile file, char *data, int length) {
	if (!client \|\| !client->afc_packet \|\| !client->phone \|\| !client->connection \|\| !file) return -1;
	AFCFilePacket packet = (AFCFilePacket)malloc(sizeof(AFCFilePacket));
	char *input = NULL;
	packet->unknown1 = packet->unknown2 = 0;
	packet->filehandle = file->filehandle;
	packet->size = length;
	int bytes = 0;

	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));

	if (bytes > 0) {
	bytes = receive_AFC_data(client, &input);
	if (bytes <= 0) {
	if (input) free(input);
	return -1;
	} else {
	memcpy(data, input, (bytes > length) ? length : bytes);
	free(input);
	return (bytes > length) ? length : bytes;
	}
	} else {
	return -1;
	}
	return 0;
	}

	int afc_write_file(AFClient client, AFCFile file, char *data, int length) {
	char *acknowledgement = NULL;
	if (!client \|\|!client->afc_packet \|\|!client->phone \|\| !client->connection \|\| !file) return -1;
	client->afc_packet->this_length = sizeof(AFCPacket) + 8;
	client->afc_packet->entire_length = client->afc_packet->this_length + length;
	client->afc_packet->operation = AFC_WRITE;
	if (debug) printf("afc_write_file: Write length: %i\n", length);
	uint32 zero = 0, bytes = 0;

	char *out_buffer = NULL;
	out_buffer = (char)malloc(sizeof(char) client->afc_packet->entire_length - sizeof(AFCPacket));
	memcpy(out_buffer, (char*)&file->filehandle, sizeof(uint32));
	memcpy(out_buffer+4, (char*)&zero, sizeof(uint32));
	memcpy(out_buffer+8, data, length);

	bytes = dispatch_AFC_packet(client, out_buffer, length + 8);
	if (!bytes) return -1;

	zero = bytes;
	bytes = receive_AFC_data(client, &acknowledgement);
	if (bytes <= 0) {
	if (debug) printf("afc_write_file: uh oh?\n");
	}

	return zero;
	}

	void afc_close_file(AFClient client, AFCFile file) {
	char buffer = malloc(sizeof(char) 8);
	uint32 zero = 0;
	if (debug) printf("File handle %i\n", file->filehandle);
	memcpy(buffer, &file->filehandle, sizeof(uint32));
	memcpy(buffer+sizeof(uint32), &zero, sizeof(zero));
	client->afc_packet->operation = AFC_FILE_CLOSE;
	int bytes = 0;
	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
	bytes = dispatch_AFC_packet(client, buffer, sizeof(char) * 8);

	free(buffer);
	client->afc_packet->entire_length = client->afc_packet->this_length = 0;
	if (!bytes) return;

	bytes = receive_AFC_data(client, &buffer);
	return;
	if (buffer) free(buffer); // we're SUPPOSED to get an "error" here.
	}