guac_stream* guac_sftp_download_file(guac_client* client,
char* filename) {
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
guac_stream* stream;
LIBSSH2_SFTP_HANDLE* file;
/* Attempt to open file for reading */
file = libssh2_sftp_open(client_data->sftp_session, filename,
LIBSSH2_FXF_READ, 0);
if (file == NULL) {
guac_client_log_error(client, "Unable to read file \"%s\": %s",
filename,
libssh2_sftp_last_error(client_data->sftp_session));
return NULL;
}
/* Allocate stream */
stream = guac_client_alloc_stream(client);
stream->ack_handler = guac_sftp_ack_handler;
stream->data = file;
/* Send stream start, strip name */
filename = basename(filename);
guac_protocol_send_file(client->socket, stream,
"application/octet-stream", filename);
guac_socket_flush(client->socket);
return stream;
}
int guac_sftp_blob_handler(guac_client* client, guac_stream* stream,
void* data, int length) {
/* Pull file from stream */
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
LIBSSH2_SFTP_HANDLE* file = (LIBSSH2_SFTP_HANDLE*) stream->data;
/* Attempt write */
if (libssh2_sftp_write(file, data, length) == length) {
guac_protocol_send_ack(client->socket, stream, "SFTP: OK",
GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
}
/* Inform of any errors */
else {
guac_client_log_error(client, "Unable to write to file: %s",
libssh2_sftp_last_error(client_data->sftp_session));
guac_protocol_send_ack(client->socket, stream, "SFTP: Write failed",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
}
return 0;
}
int vnc_guac_client_handle_messages(guac_client* client) {
int wait_result;
rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
wait_result = WaitForMessage(rfb_client, 1000000);
if (wait_result < 0) {
guac_client_log_error(client, "Error waiting for VNC server message\n");
return 1;
}
if (wait_result > 0) {
if (!HandleRFBServerMessage(rfb_client)) {
guac_client_log_error(client, "Error handling VNC server message\n");
return 1;
}
}
return 0;
}
void guac_sftp_set_upload_path(guac_client* client, char* path) {
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
int length = strnlen(path, GUAC_SFTP_MAX_PATH);
/* Ignore requests which exceed maximum-allowed path */
if (length > GUAC_SFTP_MAX_PATH) {
guac_client_log_error(client,
"Submitted path exceeds limit of %i bytes",
GUAC_SFTP_MAX_PATH);
return;
}
/* Copy path */
memcpy(client_data->sftp_upload_path, path, length);
}
int guac_sftp_end_handler(guac_client* client, guac_stream* stream) {
/* Pull file from stream */
LIBSSH2_SFTP_HANDLE* file = (LIBSSH2_SFTP_HANDLE*) stream->data;
/* Attempt to close file */
if (libssh2_sftp_close(file) == 0) {
guac_protocol_send_ack(client->socket, stream, "SFTP: OK", GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
}
else {
guac_client_log_error(client, "Unable to close file");
guac_protocol_send_ack(client->socket, stream, "SFTP: Close failed", GUAC_PROTOCOL_STATUS_SERVER_ERROR);
guac_socket_flush(client->socket);
}
return 0;
}
int guac_sftp_ack_handler(guac_client* client, guac_stream* stream,
char* message, guac_protocol_status status) {
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
LIBSSH2_SFTP_HANDLE* file = (LIBSSH2_SFTP_HANDLE*) stream->data;
/* If successful, read data */
if (status == GUAC_PROTOCOL_STATUS_SUCCESS) {
/* Attempt read into buffer */
char buffer[4096];
int bytes_read = libssh2_sftp_read(file, buffer, sizeof(buffer));
/* If bytes read, send as blob */
if (bytes_read > 0)
guac_protocol_send_blob(client->socket, stream,
buffer, bytes_read);
/* If EOF, send end */
else if (bytes_read == 0) {
guac_protocol_send_end(client->socket, stream);
guac_client_free_stream(client, stream);
}
/* Otherwise, fail stream */
else {
guac_client_log_error(client, "Error reading file: %s",
libssh2_sftp_last_error(client_data->sftp_session));
guac_protocol_send_end(client->socket, stream);
guac_client_free_stream(client, stream);
}
guac_socket_flush(client->socket);
}
/* Otherwise, return stream to client */
else
guac_client_free_stream(client, stream);
return 0;
}
void guac_rdp_process_cb_data_request(guac_client* client,
RDP_CB_DATA_REQUEST_EVENT* event) {
rdpChannels* channels =
((rdp_guac_client_data*) client->data)->rdp_inst->context->channels;
/* If text requested, send clipboard text contents */
if (event->format == CB_FORMAT_TEXT) {
/* Get clipboard data */
const char* clipboard =
((rdp_guac_client_data*) client->data)->clipboard;
/* Create new data response */
RDP_CB_DATA_RESPONSE_EVENT* data_response =
(RDP_CB_DATA_RESPONSE_EVENT*) freerdp_event_new(
CliprdrChannel_Class,
CliprdrChannel_DataResponse,
NULL, NULL);
/* Set data and length */
if (clipboard != NULL) {
data_response->data = (UINT8*) strdup(clipboard);
data_response->size = strlen(clipboard) + 1;
}
else {
data_response->data = (UINT8*) strdup("");
data_response->size = 1;
}
/* Send response */
freerdp_channels_send_event(channels, (wMessage*) data_response);
}
/* Otherwise ... failure */
else
guac_client_log_error(client,
"Server requested unsupported clipboard data type");
}
static void __context_get_server_info_callback(pa_context* context,
const pa_server_info* info, void* data) {
guac_client* client = (guac_client*) data;
/* If no default sink, cannot continue */
if (info->default_sink_name == NULL) {
guac_client_log_error(client, "No default sink. Cannot stream audio.");
return;
}
guac_client_log_info(client, "Will use default sink: \"%s\"",
info->default_sink_name);
/* Wait for default sink information */
pa_operation_unref(
pa_context_get_sink_info_by_name(context,
info->default_sink_name, __context_get_sink_info_callback,
client));
}
void guac_rdp_process_cb_data_response(guac_client* client,
RDP_CB_DATA_RESPONSE_EVENT* event) {
/* Received clipboard data */
if (event->data[event->size - 1] == '\0') {
/* Free existing data */
free(((rdp_guac_client_data*) client->data)->clipboard);
/* Store clipboard data */
((rdp_guac_client_data*) client->data)->clipboard =
strdup((char*) event->data);
/* Send clipboard data */
guac_protocol_send_clipboard(client->socket, (char*) event->data);
}
else
guac_client_log_error(client,
"Clipboard data missing null terminator");
}
int guac_sftp_file_handler(guac_client* client, guac_stream* stream,
char* mimetype, char* filename) {
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
char fullpath[GUAC_SFTP_MAX_PATH];
LIBSSH2_SFTP_HANDLE* file;
int i;
/* Ensure filename is a valid filename and not a path */
if (!__ssh_guac_valid_filename(filename)) {
guac_protocol_send_ack(client->socket, stream, "SFTP: Illegal filename",
GUAC_PROTOCOL_STATUS_CLIENT_BAD_REQUEST);
guac_socket_flush(client->socket);
return 0;
}
/* Copy upload path, append trailing slash */
for (i=0; i<GUAC_SFTP_MAX_PATH; i++) {
char c = client_data->sftp_upload_path[i];
if (c == '\0') {
fullpath[i++] = '/';
break;
}
fullpath[i] = c;
}
/* Append filename */
for (; i<GUAC_SFTP_MAX_PATH; i++) {
char c = *(filename++);
if (c == '\0')
break;
fullpath[i] = c;
}
/* If path + filename exceeds max length, abort */
if (i == GUAC_SFTP_MAX_PATH) {
guac_protocol_send_ack(client->socket, stream, "SFTP: Name too long", GUAC_PROTOCOL_STATUS_CLIENT_OVERRUN);
guac_socket_flush(client->socket);
return 0;
}
/* Terminate path string */
fullpath[i] = '\0';
/* Open file via SFTP */
file = libssh2_sftp_open(client_data->sftp_session, fullpath,
LIBSSH2_FXF_WRITE | LIBSSH2_FXF_CREAT | LIBSSH2_FXF_TRUNC,
S_IRUSR | S_IWUSR);
/* Inform of status */
if (file != NULL) {
guac_protocol_send_ack(client->socket, stream, "SFTP: File opened", GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
}
else {
guac_client_log_error(client, "Unable to open file \"%s\": %s",
fullpath, libssh2_sftp_last_error(client_data->sftp_session));
guac_protocol_send_ack(client->socket, stream, "SFTP: Open failed", GUAC_PROTOCOL_STATUS_RESOURCE_NOT_FOUND);
guac_socket_flush(client->socket);
}
/* Set handlers for file stream */
stream->blob_handler = guac_sftp_blob_handler;
stream->end_handler = guac_sftp_end_handler;
/* Store file within stream */
stream->data = file;
return 0;
}
void* ssh_client_thread(void* data) {
guac_client* client = (guac_client*) data;
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
char name[1024];
guac_socket* socket = client->socket;
char buffer[8192];
int bytes_read = -1234;
int socket_fd;
int stdout_fd = client_data->term->stdout_pipe_fd[1];
pthread_t input_thread;
libssh2_init(0);
/* Get username */
if (client_data->username[0] == 0)
prompt(client, "Login as: ", client_data->username, sizeof(client_data->username), true);
/* Send new name */
snprintf(name, sizeof(name)-1, "%s@%s", client_data->username, client_data->hostname);
guac_protocol_send_name(socket, name);
/* If key specified, import */
if (client_data->key_base64[0] != 0) {
/* Attempt to read key without passphrase */
client_data->key = ssh_key_alloc(client_data->key_base64,
strlen(client_data->key_base64), "");
/* On failure, attempt with passphrase */
if (client_data->key == NULL) {
/* Prompt for passphrase if missing */
if (client_data->key_passphrase[0] == 0)
prompt(client, "Key passphrase: ", client_data->key_passphrase,
sizeof(client_data->key_passphrase), false);
/* Import key with passphrase */
client_data->key = ssh_key_alloc(client_data->key_base64,
strlen(client_data->key_base64),
client_data->key_passphrase);
/* If still failing, give up */
if (client_data->key == NULL) {
guac_client_log_error(client, "Auth key import failed.");
return NULL;
}
} /* end decrypt key with passphrase */
/* Success */
guac_client_log_info(client, "Auth key successfully imported.");
} /* end if key given */
/* Otherwise, get password if not provided */
else if (client_data->password[0] == 0)
prompt(client, "Password: "******"\x1B[H\x1B[J", 6);
/* Open SSH session */
client_data->session = __guac_ssh_create_session(client, &socket_fd);
if (client_data->session == NULL) {
/* Already aborted within __guac_ssh_create_session() */
return NULL;
}
/* Open channel for terminal */
client_data->term_channel = libssh2_channel_open_session(client_data->session);
if (client_data->term_channel == NULL) {
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Unable to open terminal channel.");
return NULL;
}
#ifdef ENABLE_SSH_AGENT
/* Start SSH agent forwarding, if enabled */
if (client_data->enable_agent) {
libssh2_session_callback_set(client_data->session,
LIBSSH2_CALLBACK_AUTH_AGENT, (void*) ssh_auth_agent_callback);
/* Request agent forwarding */
if (libssh2_channel_request_auth_agent(client_data->term_channel))
guac_client_log_error(client, "Agent forwarding request failed");
else
guac_client_log_info(client, "Agent forwarding enabled.");
}
client_data->auth_agent = NULL;
#endif
/* Start SFTP session as well, if enabled */
if (client_data->enable_sftp) {
/* Create SSH session specific for SFTP */
guac_client_log_info(client, "Reconnecting for SFTP...");
client_data->sftp_ssh_session = __guac_ssh_create_session(client, NULL);
if (client_data->sftp_ssh_session == NULL) {
/* Already aborted within __guac_ssh_create_session() */
return NULL;
}
/* Request SFTP */
client_data->sftp_session = libssh2_sftp_init(client_data->sftp_ssh_session);
if (client_data->sftp_session == NULL) {
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Unable to start SFTP session.");
return NULL;
}
/* Set file handler */
client->file_handler = guac_sftp_file_handler;
guac_client_log_info(client, "SFTP session initialized");
}
/* Request PTY */
if (libssh2_channel_request_pty_ex(client_data->term_channel, "linux", sizeof("linux")-1, NULL, 0,
client_data->term->term_width, client_data->term->term_height, 0, 0)) {
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Unable to allocate PTY.");
return NULL;
}
/* Request shell */
if (libssh2_channel_shell(client_data->term_channel)) {
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR, "Unable to associate shell with PTY.");
return NULL;
}
/* Logged in */
guac_client_log_info(client, "SSH connection successful.");
/* Start input thread */
if (pthread_create(&(input_thread), NULL, ssh_input_thread, (void*) client)) {
guac_client_abort(client, GUAC_PROTOCOL_STATUS_SERVER_ERROR, "Unable to start input thread");
return NULL;
}
/* Set non-blocking */
libssh2_session_set_blocking(client_data->session, 0);
/* While data available, write to terminal */
bytes_read = 0;
while (!libssh2_channel_eof(client_data->term_channel)) {
/* Track total amount of data read */
int total_read = 0;
/* Read terminal data */
bytes_read = libssh2_channel_read(client_data->term_channel,
buffer, sizeof(buffer));
/* Attempt to write data received. Exit on failure. */
if (bytes_read > 0) {
int written = guac_terminal_write_all(stdout_fd, buffer, bytes_read);
if (written < 0)
break;
total_read += bytes_read;
}
else if (bytes_read < 0 && bytes_read != LIBSSH2_ERROR_EAGAIN)
break;
#ifdef ENABLE_SSH_AGENT
/* If agent open, handle any agent packets */
if (client_data->auth_agent != NULL) {
bytes_read = ssh_auth_agent_read(client_data->auth_agent);
if (bytes_read > 0)
total_read += bytes_read;
else if (bytes_read < 0 && bytes_read != LIBSSH2_ERROR_EAGAIN)
client_data->auth_agent = NULL;
}
#endif
/* Wait for more data if reads turn up empty */
if (total_read == 0) {
fd_set fds;
struct timeval timeout;
FD_ZERO(&fds);
FD_SET(socket_fd, &fds);
/* Wait for one second */
timeout.tv_sec = 1;
timeout.tv_usec = 0;
if (select(socket_fd+1, &fds, NULL, NULL, &timeout) < 0)
break;
}
}
/* Kill client and Wait for input thread to die */
guac_client_stop(client);
pthread_join(input_thread, NULL);
guac_client_log_info(client, "SSH connection ended.");
return NULL;
}
int guac_client_init(guac_client* client, int argc, char** argv) {
rdp_guac_client_data* guac_client_data;
freerdp* rdp_inst;
rdpSettings* settings;
char* hostname;
int port = RDP_DEFAULT_PORT;
boolean bitmap_cache;
/**
* Selected server-side keymap. Client will be assumed to also use this
* keymap. Keys will be sent to server based on client input on a
* best-effort basis.
*/
const guac_rdp_keymap* chosen_keymap;
if (argc < RDP_ARGS_COUNT) {
guac_protocol_send_error(client->socket,
"Wrong argument count received.");
guac_socket_flush(client->socket);
guac_error = GUAC_STATUS_BAD_ARGUMENT;
guac_error_message = "Wrong argument count received";
return 1;
}
/* If port specified, use it */
if (argv[IDX_PORT][0] != '\0')
port = atoi(argv[IDX_PORT]);
hostname = argv[IDX_HOSTNAME];
/* Allocate client data */
guac_client_data = malloc(sizeof(rdp_guac_client_data));
/* Init random number generator */
srandom(time(NULL));
/* Init client */
freerdp_channels_global_init();
rdp_inst = freerdp_new();
rdp_inst->PreConnect = rdp_freerdp_pre_connect;
rdp_inst->PostConnect = rdp_freerdp_post_connect;
rdp_inst->ReceiveChannelData = __guac_receive_channel_data;
/* Allocate FreeRDP context */
rdp_inst->context_size = sizeof(rdp_freerdp_context);
rdp_inst->ContextNew = (pContextNew) rdp_freerdp_context_new;
rdp_inst->ContextFree = (pContextFree) rdp_freerdp_context_free;
freerdp_context_new(rdp_inst);
/* Set settings */
settings = rdp_inst->settings;
/* Console */
settings->console_session = (strcmp(argv[IDX_CONSOLE], "true") == 0);
settings->console_audio = (strcmp(argv[IDX_CONSOLE_AUDIO], "true") == 0);
/* --no-auth */
settings->authentication = false;
/* --sec rdp */
settings->rdp_security = true;
settings->tls_security = false;
settings->nla_security = false;
settings->encryption = true;
settings->encryption_method = ENCRYPTION_METHOD_40BIT | ENCRYPTION_METHOD_128BIT | ENCRYPTION_METHOD_FIPS;
settings->encryption_level = ENCRYPTION_LEVEL_CLIENT_COMPATIBLE;
/* Use optimal width unless overridden */
settings->width = client->info.optimal_width;
if (argv[IDX_WIDTH][0] != '\0')
settings->width = atoi(argv[IDX_WIDTH]);
/* Use default width if given width is invalid. */
if (settings->width <= 0) {
settings->width = RDP_DEFAULT_WIDTH;
guac_client_log_error(client,
"Invalid width: \"%s\". Using default of %i.",
argv[IDX_WIDTH], settings->width);
}
/* Round width up to nearest multiple of 4 */
settings->width = (settings->width + 3) & ~0x3;
/* Use optimal height unless overridden */
settings->height = client->info.optimal_height;
if (argv[IDX_HEIGHT][0] != '\0')
settings->height = atoi(argv[IDX_HEIGHT]);
/* Use default height if given height is invalid. */
if (settings->height <= 0) {
settings->height = RDP_DEFAULT_HEIGHT;
guac_client_log_error(client,
"Invalid height: \"%s\". Using default of %i.",
argv[IDX_WIDTH], settings->height);
}
/* Set hostname */
settings->hostname = strdup(hostname);
settings->port = port;
settings->window_title = strdup(hostname);
/* Domain */
if (argv[IDX_DOMAIN][0] != '\0')
settings->domain = strdup(argv[IDX_DOMAIN]);
/* Username */
if (argv[IDX_USERNAME][0] != '\0')
settings->username = strdup(argv[IDX_USERNAME]);
/* Password */
if (argv[IDX_PASSWORD][0] != '\0') {
settings->password = strdup(argv[IDX_PASSWORD]);
settings->autologon = 1;
}
/* Initial program */
if (argv[IDX_INITIAL_PROGRAM][0] != '\0')
settings->shell = strdup(argv[IDX_INITIAL_PROGRAM]);
/* Session color depth */
settings->color_depth = RDP_DEFAULT_DEPTH;
if (argv[IDX_COLOR_DEPTH][0] != '\0')
settings->color_depth = atoi(argv[IDX_COLOR_DEPTH]);
/* Use default depth if given depth is invalid. */
if (settings->color_depth == 0) {
settings->color_depth = RDP_DEFAULT_DEPTH;
guac_client_log_error(client,
"Invalid color-depth: \"%s\". Using default of %i.",
argv[IDX_WIDTH], settings->color_depth);
}
/* Audio enable/disable */
guac_client_data->audio_enabled =
(strcmp(argv[IDX_DISABLE_AUDIO], "true") != 0);
/* Printing enable/disable */
guac_client_data->printing_enabled =
(strcmp(argv[IDX_ENABLE_PRINTING], "true") == 0);
/* Order support */
bitmap_cache = settings->bitmap_cache;
settings->os_major_type = OSMAJORTYPE_UNSPECIFIED;
settings->os_minor_type = OSMINORTYPE_UNSPECIFIED;
settings->order_support[NEG_DSTBLT_INDEX] = true;
settings->order_support[NEG_PATBLT_INDEX] = false; /* PATBLT not yet supported */
settings->order_support[NEG_SCRBLT_INDEX] = true;
settings->order_support[NEG_OPAQUE_RECT_INDEX] = true;
settings->order_support[NEG_DRAWNINEGRID_INDEX] = false;
settings->order_support[NEG_MULTIDSTBLT_INDEX] = false;
settings->order_support[NEG_MULTIPATBLT_INDEX] = false;
settings->order_support[NEG_MULTISCRBLT_INDEX] = false;
settings->order_support[NEG_MULTIOPAQUERECT_INDEX] = false;
settings->order_support[NEG_MULTI_DRAWNINEGRID_INDEX] = false;
settings->order_support[NEG_LINETO_INDEX] = false;
settings->order_support[NEG_POLYLINE_INDEX] = false;
settings->order_support[NEG_MEMBLT_INDEX] = bitmap_cache;
settings->order_support[NEG_MEM3BLT_INDEX] = false;
settings->order_support[NEG_MEMBLT_V2_INDEX] = bitmap_cache;
settings->order_support[NEG_MEM3BLT_V2_INDEX] = false;
settings->order_support[NEG_SAVEBITMAP_INDEX] = false;
settings->order_support[NEG_GLYPH_INDEX_INDEX] = true;
settings->order_support[NEG_FAST_INDEX_INDEX] = true;
settings->order_support[NEG_FAST_GLYPH_INDEX] = true;
settings->order_support[NEG_POLYGON_SC_INDEX] = false;
settings->order_support[NEG_POLYGON_CB_INDEX] = false;
settings->order_support[NEG_ELLIPSE_SC_INDEX] = false;
settings->order_support[NEG_ELLIPSE_CB_INDEX] = false;
/* Store client data */
guac_client_data->rdp_inst = rdp_inst;
guac_client_data->bounded = false;
guac_client_data->mouse_button_mask = 0;
guac_client_data->current_surface = GUAC_DEFAULT_LAYER;
guac_client_data->clipboard = NULL;
guac_client_data->audio = NULL;
/* Main socket needs to be threadsafe */
guac_socket_require_threadsafe(client->socket);
/* Recursive attribute for locks */
pthread_mutexattr_init(&(guac_client_data->attributes));
pthread_mutexattr_settype(&(guac_client_data->attributes),
PTHREAD_MUTEX_RECURSIVE);
/* Init RDP lock */
pthread_mutex_init(&(guac_client_data->rdp_lock),
&(guac_client_data->attributes));
/* Clear keysym state mapping and keymap */
memset(guac_client_data->keysym_state, 0,
sizeof(guac_rdp_keysym_state_map));
memset(guac_client_data->keymap, 0,
sizeof(guac_rdp_static_keymap));
client->data = guac_client_data;
((rdp_freerdp_context*) rdp_inst->context)->client = client;
/* Pick keymap based on argument */
if (argv[IDX_SERVER_LAYOUT][0] != '\0') {
/* US English Qwerty */
if (strcmp("en-us-qwerty", argv[IDX_SERVER_LAYOUT]) == 0)
chosen_keymap = &guac_rdp_keymap_en_us;
/* German Qwertz */
else if (strcmp("de-de-qwertz", argv[IDX_SERVER_LAYOUT]) == 0)
chosen_keymap = &guac_rdp_keymap_de_de;
/* French Azerty */
else if (strcmp("fr-fr-azerty", argv[IDX_SERVER_LAYOUT]) == 0)
chosen_keymap = &guac_rdp_keymap_fr_fr;
/* Failsafe (Unicode) keymap */
else if (strcmp("failsafe", argv[IDX_SERVER_LAYOUT]) == 0)
chosen_keymap = &guac_rdp_keymap_failsafe;
/* If keymap unknown, resort to failsafe */
else {
guac_client_log_error(client,
"Unknown layout \"%s\". Using the failsafe layout instead.",
argv[IDX_SERVER_LAYOUT]);
chosen_keymap = &guac_rdp_keymap_failsafe;
}
}
/* If no keymap requested, assume US */
else
chosen_keymap = &guac_rdp_keymap_en_us;
/* Load keymap into client */
__guac_rdp_client_load_keymap(client, chosen_keymap);
/* Set server-side keymap */
settings->kbd_layout = chosen_keymap->freerdp_keyboard_layout;
/* Connect to RDP server */
if (!freerdp_connect(rdp_inst)) {
guac_protocol_send_error(client->socket,
"Error connecting to RDP server");
guac_socket_flush(client->socket);
guac_error = GUAC_STATUS_BAD_STATE;
guac_error_message = "Error connecting to RDP server";
return 1;
}
/* Send connection name */
guac_protocol_send_name(client->socket, settings->window_title);
/* Send size */
guac_protocol_send_size(client->socket, GUAC_DEFAULT_LAYER,
settings->width, settings->height);
/* Create glyph surfaces */
guac_client_data->opaque_glyph_surface = cairo_image_surface_create(
CAIRO_FORMAT_RGB24, settings->width, settings->height);
guac_client_data->trans_glyph_surface = cairo_image_surface_create(
CAIRO_FORMAT_ARGB32, settings->width, settings->height);
/* Set default pointer */
guac_rdp_set_default_pointer(client);
/* Success */
return 0;
}
boolean rdp_freerdp_pre_connect(freerdp* instance) {
rdpContext* context = instance->context;
guac_client* client = ((rdp_freerdp_context*) context)->client;
rdpChannels* channels = context->channels;
rdpBitmap* bitmap;
rdpGlyph* glyph;
rdpPointer* pointer;
rdpPrimaryUpdate* primary;
CLRCONV* clrconv;
int i;
rdp_guac_client_data* guac_client_data =
(rdp_guac_client_data*) client->data;
/* Load clipboard plugin */
if (freerdp_channels_load_plugin(channels, instance->settings,
"cliprdr", NULL))
guac_client_log_error(client, "Failed to load cliprdr plugin.");
/* If audio enabled, choose an encoder */
if (guac_client_data->audio_enabled) {
/* Choose an encoding */
for (i=0; client->info.audio_mimetypes[i] != NULL; i++) {
const char* mimetype = client->info.audio_mimetypes[i];
#ifdef ENABLE_OGG
/* If Ogg is supported, done. */
if (strcmp(mimetype, ogg_encoder->mimetype) == 0) {
guac_client_log_info(client, "Loading Ogg Vorbis encoder.");
guac_client_data->audio = audio_stream_alloc(client,
ogg_encoder);
break;
}
#endif
/* If wav is supported, done. */
if (strcmp(mimetype, wav_encoder->mimetype) == 0) {
guac_client_log_info(client, "Loading wav encoder.");
guac_client_data->audio = audio_stream_alloc(client,
wav_encoder);
break;
}
}
/* If an encoding is available, load the sound plugin */
if (guac_client_data->audio != NULL) {
/* Load sound plugin */
if (freerdp_channels_load_plugin(channels, instance->settings,
"guac_rdpsnd", guac_client_data->audio))
guac_client_log_error(client,
"Failed to load guac_rdpsnd plugin.");
}
else
guac_client_log_info(client,
"No available audio encoding. Sound disabled.");
} /* end if audio enabled */
/* If printing enabled, load rdpdr */
if (guac_client_data->printing_enabled) {
/* Load RDPDR plugin */
if (freerdp_channels_load_plugin(channels, instance->settings,
"guac_rdpdr", client))
guac_client_log_error(client,
"Failed to load guac_rdpdr plugin.");
} /* end if printing enabled */
/* Init color conversion structure */
clrconv = xnew(CLRCONV);
clrconv->alpha = 1;
clrconv->invert = 0;
clrconv->rgb555 = 0;
clrconv->palette = xnew(rdpPalette);
((rdp_freerdp_context*) context)->clrconv = clrconv;
/* Init FreeRDP cache */
instance->context->cache = cache_new(instance->settings);
/* Set up bitmap handling */
bitmap = xnew(rdpBitmap);
bitmap->size = sizeof(guac_rdp_bitmap);
bitmap->New = guac_rdp_bitmap_new;
bitmap->Free = guac_rdp_bitmap_free;
bitmap->Paint = guac_rdp_bitmap_paint;
bitmap->Decompress = guac_rdp_bitmap_decompress;
bitmap->SetSurface = guac_rdp_bitmap_setsurface;
graphics_register_bitmap(context->graphics, bitmap);
xfree(bitmap);
/* Set up glyph handling */
glyph = xnew(rdpGlyph);
glyph->size = sizeof(guac_rdp_glyph);
glyph->New = guac_rdp_glyph_new;
glyph->Free = guac_rdp_glyph_free;
glyph->Draw = guac_rdp_glyph_draw;
glyph->BeginDraw = guac_rdp_glyph_begindraw;
glyph->EndDraw = guac_rdp_glyph_enddraw;
graphics_register_glyph(context->graphics, glyph);
xfree(glyph);
/* Set up pointer handling */
pointer = xnew(rdpPointer);
pointer->size = sizeof(guac_rdp_pointer);
pointer->New = guac_rdp_pointer_new;
pointer->Free = guac_rdp_pointer_free;
pointer->Set = guac_rdp_pointer_set;
#ifdef HAVE_RDPPOINTER_SETNULL
pointer->SetNull = guac_rdp_pointer_set_null;
#endif
#ifdef HAVE_RDPPOINTER_SETDEFAULT
pointer->SetDefault = guac_rdp_pointer_set_default;
#endif
graphics_register_pointer(context->graphics, pointer);
xfree(pointer);
/* Set up GDI */
instance->update->EndPaint = guac_rdp_gdi_end_paint;
instance->update->Palette = guac_rdp_gdi_palette_update;
instance->update->SetBounds = guac_rdp_gdi_set_bounds;
primary = instance->update->primary;
primary->DstBlt = guac_rdp_gdi_dstblt;
primary->PatBlt = guac_rdp_gdi_patblt;
primary->ScrBlt = guac_rdp_gdi_scrblt;
primary->MemBlt = guac_rdp_gdi_memblt;
primary->OpaqueRect = guac_rdp_gdi_opaquerect;
pointer_cache_register_callbacks(instance->update);
glyph_cache_register_callbacks(instance->update);
brush_cache_register_callbacks(instance->update);
bitmap_cache_register_callbacks(instance->update);
offscreen_cache_register_callbacks(instance->update);
palette_cache_register_callbacks(instance->update);
/* Init channels (pre-connect) */
if (freerdp_channels_pre_connect(channels, instance)) {
guac_protocol_send_error(client->socket, "Error initializing RDP client channel manager");
guac_socket_flush(client->socket);
return false;
}
return true;
}
int guac_client_init(guac_client* client, int argc, char** argv) {
guac_socket* socket = client->socket;
ssh_guac_client_data* client_data = malloc(sizeof(ssh_guac_client_data));
/* Init client data */
client->data = client_data;
client_data->mod_alt =
client_data->mod_ctrl =
client_data->mod_shift = 0;
client_data->clipboard_data = NULL;
client_data->term_channel = NULL;
if (argc != SSH_ARGS_COUNT) {
guac_client_log_error(client, "Wrong number of arguments");
return -1;
}
/* Read parameters */
strcpy(client_data->hostname, argv[IDX_HOSTNAME]);
strcpy(client_data->username, argv[IDX_USERNAME]);
strcpy(client_data->password, argv[IDX_PASSWORD]);
/* Read font name */
if (argv[IDX_FONT_NAME][0] != 0)
strcpy(client_data->font_name, argv[IDX_FONT_NAME]);
else
strcpy(client_data->font_name, GUAC_SSH_DEFAULT_FONT_NAME );
/* Read font size */
if (argv[IDX_FONT_SIZE][0] != 0)
client_data->font_size = atoi(argv[IDX_FONT_SIZE]);
else
client_data->font_size = GUAC_SSH_DEFAULT_FONT_SIZE;
/* Read port */
if (argv[IDX_PORT][0] != 0)
client_data->port = atoi(argv[IDX_PORT]);
else
client_data->port = GUAC_SSH_DEFAULT_PORT;
/* Create terminal */
client_data->term = guac_terminal_create(client,
client_data->font_name, client_data->font_size,
client->info.optimal_width, client->info.optimal_height);
/* Fail if terminal init failed */
if (client_data->term == NULL) {
guac_error = GUAC_STATUS_BAD_STATE;
guac_error_message = "Terminal initialization failed";
return -1;
}
/* Set up I-bar pointer */
client_data->ibar_cursor = guac_ssh_create_ibar(client);
/* Set up blank pointer */
client_data->blank_cursor = guac_ssh_create_blank(client);
/* Send initial name */
guac_protocol_send_name(socket, client_data->hostname);
/* Initialize pointer */
client_data->current_cursor = client_data->blank_cursor;
guac_ssh_set_cursor(client, client_data->current_cursor);
guac_socket_flush(socket);
/* Set basic handlers */
client->handle_messages = ssh_guac_client_handle_messages;
client->clipboard_handler = ssh_guac_client_clipboard_handler;
client->key_handler = ssh_guac_client_key_handler;
client->mouse_handler = ssh_guac_client_mouse_handler;
client->size_handler = ssh_guac_client_size_handler;
client->free_handler = ssh_guac_client_free_handler;
/* Start client thread */
if (pthread_create(&(client_data->client_thread), NULL, ssh_client_thread, (void*) client)) {
guac_client_log_error(client, "Unable to SSH client thread");
return -1;
}
/* Success */
return 0;
}
