int guac_client_init(guac_client* client, int argc, char** argv) { rfbClient* rfb_client; vnc_guac_client_data* guac_client_data; int read_only; /* Set up libvncclient logging */ rfbClientLog = guac_vnc_client_log_info; rfbClientErr = guac_vnc_client_log_error; /*** PARSE ARGUMENTS ***/ if (argc != VNC_ARGS_COUNT) { guac_protocol_send_error(client->socket, "Wrong argument count received."); guac_socket_flush(client->socket); return 1; } /* Alloc client data */ guac_client_data = malloc(sizeof(vnc_guac_client_data)); client->data = guac_client_data; /* Set read-only flag */ read_only = (strcmp(argv[IDX_READ_ONLY], "true") == 0); /* Set red/blue swap flag */ guac_client_data->swap_red_blue = (strcmp(argv[IDX_SWAP_RED_BLUE], "true") == 0); /* Freed after use by libvncclient */ guac_client_data->password = strdup(argv[IDX_PASSWORD]); /*** INIT RFB CLIENT ***/ rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */ /* Store Guac client in rfb client */ rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client); /* Framebuffer update handler */ rfb_client->GotFrameBufferUpdate = guac_vnc_update; rfb_client->GotCopyRect = guac_vnc_copyrect; /* Do not handle clipboard and local cursor if read-only */ if (read_only == 0) { /* Enable client-side cursor */ rfb_client->GotCursorShape = guac_vnc_cursor; rfb_client->appData.useRemoteCursor = TRUE; /* Clipboard */ rfb_client->GotXCutText = guac_vnc_cut_text; } /* Password */ rfb_client->GetPassword = guac_vnc_get_password; /* Depth */ guac_vnc_set_pixel_format(rfb_client, atoi(argv[IDX_COLOR_DEPTH])); #ifdef ENABLE_PULSE guac_client_data->audio_enabled = (strcmp(argv[IDX_ENABLE_AUDIO], "true") == 0); /* If an encoding is available, load an audio stream */ if (guac_client_data->audio_enabled) { guac_client_data->audio = guac_audio_stream_alloc(client, NULL); /* Load servername if specified */ if (argv[IDX_AUDIO_SERVERNAME][0] != '\0') guac_client_data->pa_servername = strdup(argv[IDX_AUDIO_SERVERNAME]); else guac_client_data->pa_servername = NULL; /* If successful, init audio system */ if (guac_client_data->audio != NULL) { guac_client_log_info(client, "Audio will be encoded as %s", guac_client_data->audio->encoder->mimetype); /* Require threadsafe sockets if audio enabled */ guac_socket_require_threadsafe(client->socket); /* Start audio stream */ guac_pa_start_stream(client); } /* Otherwise, audio loading failed */ else guac_client_log_info(client, "No available audio encoding. Sound disabled."); } /* end if audio enabled */ #endif /* Hook into allocation so we can handle resize. */ guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer; rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer; rfb_client->canHandleNewFBSize = 1; /* Set hostname and port */ rfb_client->serverHost = strdup(argv[0]); rfb_client->serverPort = atoi(argv[1]); #ifdef ENABLE_VNC_REPEATER /* Set repeater parameters if specified */ if(argv[IDX_DEST_HOST][0] != '\0') rfb_client->destHost = strdup(argv[IDX_DEST_HOST]); if(argv[IDX_DEST_PORT][0] != '\0') rfb_client->destPort = atoi(argv[IDX_DEST_PORT]); #endif /* Set encodings if specified */ if (argv[IDX_ENCODINGS][0] != '\0') rfb_client->appData.encodingsString = guac_client_data->encodings = strdup(argv[IDX_ENCODINGS]); else guac_client_data->encodings = NULL; /* Connect */ if (!rfbInitClient(rfb_client, NULL, NULL)) { guac_protocol_send_error(client->socket, "Error initializing VNC client"); guac_socket_flush(client->socket); return 1; } /* Set remaining client data */ guac_client_data->rfb_client = rfb_client; guac_client_data->copy_rect_used = 0; guac_client_data->cursor = guac_client_alloc_buffer(client); /* Set handlers */ client->handle_messages = vnc_guac_client_handle_messages; client->free_handler = vnc_guac_client_free_handler; if (read_only == 0) { /* Do not handle mouse/keyboard/clipboard if read-only */ client->mouse_handler = vnc_guac_client_mouse_handler; client->key_handler = vnc_guac_client_key_handler; client->clipboard_handler = vnc_guac_client_clipboard_handler; } /* Send name */ guac_protocol_send_name(client->socket, rfb_client->desktopName); /* Send size */ guac_protocol_send_size(client->socket, GUAC_DEFAULT_LAYER, rfb_client->width, rfb_client->height); return 0; }
/** * Allocates a new rfbClient instance given the parameters stored within the * client, returning NULL on failure. */ static rfbClient* __guac_vnc_get_client(guac_client* client) { rfbClient* rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */ vnc_guac_client_data* guac_client_data = (vnc_guac_client_data*) client->data; /* Store Guac client in rfb client */ rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client); /* Framebuffer update handler */ rfb_client->GotFrameBufferUpdate = guac_vnc_update; rfb_client->GotCopyRect = guac_vnc_copyrect; /* Do not handle clipboard and local cursor if read-only */ if (guac_client_data->read_only == 0) { /* Clipboard */ rfb_client->GotXCutText = guac_vnc_cut_text; /* Set remote cursor */ if (guac_client_data->remote_cursor) rfb_client->appData.useRemoteCursor = FALSE; else { /* Enable client-side cursor */ rfb_client->appData.useRemoteCursor = TRUE; rfb_client->GotCursorShape = guac_vnc_cursor; } } /* Password */ rfb_client->GetPassword = guac_vnc_get_password; /* Depth */ guac_vnc_set_pixel_format(rfb_client, guac_client_data->color_depth); /* Hook into allocation so we can handle resize. */ guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer; rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer; rfb_client->canHandleNewFBSize = 1; /* Set hostname and port */ rfb_client->serverHost = strdup(guac_client_data->hostname); rfb_client->serverPort = guac_client_data->port; #ifdef ENABLE_VNC_REPEATER /* Set repeater parameters if specified */ if (guac_client_data->dest_host) { rfb_client->destHost = strdup(guac_client_data->dest_host); rfb_client->destPort = guac_client_data->dest_port; } #endif #ifdef ENABLE_VNC_LISTEN /* If reverse connection enabled, start listening */ if (guac_client_data->reverse_connect) { guac_client_log_info(client, "Listening for connections on port %i", guac_client_data->port); /* Listen for connection from server */ rfb_client->listenPort = guac_client_data->port; if (listenForIncomingConnectionsNoFork(rfb_client, guac_client_data->listen_timeout*1000) <= 0) return NULL; } #endif /* Set encodings if provided */ if (guac_client_data->encodings) rfb_client->appData.encodingsString = strdup(guac_client_data->encodings); /* Connect */ if (rfbInitClient(rfb_client, NULL, NULL)) return rfb_client; /* If connection fails, return NULL */ return NULL; }
int guac_client_init(guac_client* client, int argc, char** argv) { rfbClient* rfb_client; vnc_guac_client_data* guac_client_data; int read_only; /* Set up libvncclient logging */ rfbClientLog = guac_vnc_client_log_info; rfbClientErr = guac_vnc_client_log_error; /*** PARSE ARGUMENTS ***/ if (argc < 7) { guac_protocol_send_error(client->socket, "Wrong argument count received."); guac_socket_flush(client->socket); return 1; } /* Alloc client data */ guac_client_data = malloc(sizeof(vnc_guac_client_data)); client->data = guac_client_data; /* Set read-only flag */ read_only = (strcmp(argv[2], "true") == 0); /* Set red/blue swap flag */ guac_client_data->swap_red_blue = (strcmp(argv[5], "true") == 0); /* Freed after use by libvncclient */ guac_client_data->password = strdup(argv[4]); /*** INIT RFB CLIENT ***/ rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */ /* Store Guac client in rfb client */ rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client); /* Framebuffer update handler */ rfb_client->GotFrameBufferUpdate = guac_vnc_update; rfb_client->GotCopyRect = guac_vnc_copyrect; /* Do not handle clipboard and local cursor if read-only */ if (read_only == 0) { /* Enable client-side cursor */ rfb_client->GotCursorShape = guac_vnc_cursor; rfb_client->appData.useRemoteCursor = TRUE; /* Clipboard */ rfb_client->GotXCutText = guac_vnc_cut_text; } /* Password */ rfb_client->GetPassword = guac_vnc_get_password; /* Depth */ guac_vnc_set_pixel_format(rfb_client, atoi(argv[6])); /* Hook into allocation so we can handle resize. */ guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer; rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer; rfb_client->canHandleNewFBSize = 1; /* Set hostname and port */ rfb_client->serverHost = strdup(argv[0]); rfb_client->serverPort = atoi(argv[1]); /* Set encodings if specified */ if (argv[3][0] != '\0') rfb_client->appData.encodingsString = guac_client_data->encodings = strdup(argv[3]); else guac_client_data->encodings = NULL; /* Connect */ if (!rfbInitClient(rfb_client, NULL, NULL)) { guac_protocol_send_error(client->socket, "Error initializing VNC client"); guac_socket_flush(client->socket); return 1; } /* Set remaining client data */ guac_client_data->rfb_client = rfb_client; guac_client_data->copy_rect_used = 0; guac_client_data->cursor = guac_client_alloc_buffer(client); /* Set handlers */ client->handle_messages = vnc_guac_client_handle_messages; client->free_handler = vnc_guac_client_free_handler; if (read_only == 0) { /* Do not handle mouse/keyboard/clipboard if read-only */ client->mouse_handler = vnc_guac_client_mouse_handler; client->key_handler = vnc_guac_client_key_handler; client->clipboard_handler = vnc_guac_client_clipboard_handler; } /* Send name */ guac_protocol_send_name(client->socket, rfb_client->desktopName); /* Send size */ guac_protocol_send_size(client->socket, GUAC_DEFAULT_LAYER, rfb_client->width, rfb_client->height); return 0; }