diff options
Diffstat (limited to 'AFC.c')
| -rw-r--r-- | AFC.c | 381 |
1 files changed, 0 insertions, 381 deletions
@@ -1,381 +0,0 @@ -/* - * 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. -} - |