#include <freerdp/freerdp.h>
#include <freerdp/channels/channels.h>
#include <freerdp/input.h>
+#include <freerdp/codec/color.h>
+#include <freerdp/cache/cache.h>
+#include <freerdp/utils/event.h>
+#include <freerdp/plugins/cliprdr.h>
#include <guacamole/socket.h>
#include <guacamole/protocol.h>
#include <guacamole/client.h>
+#include <guacamole/error.h>
#include "client.h"
#include "rdp_keymap.h"
+#include "rdp_cliprdr.h"
#include "guac_handlers.h"
+#include "unicode_convtable.h"
+
+void __guac_rdp_update_keysyms(guac_client* client, const int* keysym_string, int from, int to);
+int __guac_rdp_send_keysym(guac_client* client, int keysym, int pressed);
+void __guac_rdp_send_altcode(guac_client* client, int altcode);
+
int rdp_guac_client_free_handler(guac_client* client) {
- /* STUB */
+ rdp_guac_client_data* guac_client_data =
+ (rdp_guac_client_data*) client->data;
+
+ freerdp* rdp_inst = guac_client_data->rdp_inst;
+ rdpChannels* channels = rdp_inst->context->channels;
+
+ /* Clean up RDP client */
+ freerdp_channels_close(channels, rdp_inst);
+ freerdp_channels_free(channels);
+ freerdp_disconnect(rdp_inst);
+ freerdp_clrconv_free(((rdp_freerdp_context*) rdp_inst->context)->clrconv);
+ cache_free(rdp_inst->context->cache);
+ freerdp_free(rdp_inst);
- /* FIXME: Clean up RDP client + disconnect */
+ /* Free client data */
+ cairo_surface_destroy(guac_client_data->opaque_glyph_surface);
+ cairo_surface_destroy(guac_client_data->trans_glyph_surface);
+ free(guac_client_data->clipboard);
+ free(guac_client_data);
return 0;
int read_count = 0;
int write_count = 0;
fd_set rfds, wfds;
+ RDP_EVENT* event;
struct timeval timeout = {
.tv_sec = 0,
/* get rdp fds */
if (!freerdp_get_fds(rdp_inst, read_fds, &read_count, write_fds, &write_count)) {
- guac_client_log_error(client, "Unable to read RDP file descriptors.");
+ guac_error = GUAC_STATUS_BAD_STATE;
+ guac_error_message = "Unable to read RDP file descriptors";
return 1;
}
/* get channel fds */
if (!freerdp_channels_get_fds(channels, rdp_inst, read_fds, &read_count, write_fds, &write_count)) {
- guac_client_log_error(client, "Unable to read RDP channel file descriptors.");
+ guac_error = GUAC_STATUS_BAD_STATE;
+ guac_error_message = "Unable to read RDP channel file descriptors";
return 1;
}
/* If no file descriptors, error */
if (max_fd == 0) {
- guac_client_log_error(client, "No file descriptors");
+ guac_error = GUAC_STATUS_BAD_STATE;
+ guac_error_message = "No file descriptors";
return 1;
}
(errno == EINPROGRESS) ||
(errno == EINTR))) /* signal occurred */
{
- guac_client_log_error(client, "Error waiting for file descriptor.");
+ guac_error = GUAC_STATUS_SEE_ERRNO;
+ guac_error_message = "Error waiting for file descriptor";
return 1;
}
}
/* Check the libfreerdp fds */
if (!freerdp_check_fds(rdp_inst)) {
- guac_client_log_error(client, "Error handling RDP file descriptors.");
+ guac_error = GUAC_STATUS_BAD_STATE;
+ guac_error_message = "Error handling RDP file descriptors";
return 1;
}
/* Check channel fds */
if (!freerdp_channels_check_fds(channels, rdp_inst)) {
- guac_client_log_error(client, "Error handling RDP channel file descriptors.");
+ guac_error = GUAC_STATUS_BAD_STATE;
+ guac_error_message = "Error handling RDP channel file descriptors";
+ return 1;
+ }
+
+ /* Check for channel events */
+ event = freerdp_channels_pop_event(channels);
+ if (event) {
+
+ /* Handle clipboard events */
+ if (event->event_class == RDP_EVENT_CLASS_CLIPRDR)
+ guac_rdp_process_cliprdr_event(client, event);
+
+ freerdp_event_free(event);
+
+ }
+
+ /* Handle RDP disconnect */
+ if (freerdp_shall_disconnect(rdp_inst)) {
+ guac_error = GUAC_STATUS_NO_INPUT;
+ guac_error_message = "RDP server closed connection";
return 1;
}
return 0;
}
-void __guac_rdp_send_altcode(guac_client* client, const char* altcode) {
+void __guac_rdp_send_altcode(guac_client* client, int altcode) {
rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
freerdp* rdp_inst = guac_client_data->rdp_inst;
- const guac_rdp_keysym_scancode_map* keysym_scancodes = guac_client_data->keysym_scancodes;
+ int i;
/* Lookup scancode for Alt */
- int alt = GUAC_RDP_KEYSYM_LOOKUP(*keysym_scancodes, 0xFFE9 /* Alt_L */)->scancode;
- guac_client_log_info(client, "ALTCODE: alt=%i", alt);
+ int alt = GUAC_RDP_KEYSYM_LOOKUP(
+ guac_client_data->keymap,
+ 0xFFE9 /* Alt_L */).scancode;
+
+ /* Release all pressed modifiers */
+ __guac_rdp_update_keysyms(client, GUAC_KEYSYMS_ALL_MODIFIERS, 1, 0);
/* Press Alt */
rdp_inst->input->KeyboardEvent(rdp_inst->input, KBD_FLAGS_DOWN, alt);
- /* For each character in Alt-code ... */
- while (*altcode != '\0') {
+ /* For each character in four-digit Alt-code ... */
+ for (i=0; i<4; i++) {
/* Get scancode of keypad digit */
- int scancode = GUAC_RDP_KEYSYM_LOOKUP(*keysym_scancodes, 0xFFB0 + (*altcode) - '0')->scancode;
+ int scancode = GUAC_RDP_KEYSYM_LOOKUP(
+ guac_client_data->keymap,
+ 0xFFB0 + (altcode / 1000)
+ ).scancode;
/* Press and release digit */
rdp_inst->input->KeyboardEvent(rdp_inst->input, KBD_FLAGS_DOWN, scancode);
rdp_inst->input->KeyboardEvent(rdp_inst->input, KBD_FLAGS_RELEASE, scancode);
- guac_client_log_info(client, "ALTCODE: scan=%i", scancode);
- /* Next character */
- altcode++;
+ /* Shift digits left by one place */
+ altcode = (altcode * 10) % 10000;
+
}
/* Release Alt */
rdp_inst->input->KeyboardEvent(rdp_inst->input, KBD_FLAGS_RELEASE, alt);
- guac_client_log_info(client, "ALTCODE: done");
+
+ /* Press all originally pressed modifiers */
+ __guac_rdp_update_keysyms(client, GUAC_KEYSYMS_ALL_MODIFIERS, 1, 1);
}
-int rdp_guac_client_key_handler(guac_client* client, int keysym, int pressed) {
+int __guac_rdp_send_keysym(guac_client* client, int keysym, int pressed) {
rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
freerdp* rdp_inst = guac_client_data->rdp_inst;
- const guac_rdp_keysym_scancode_map* keysym_scancodes = guac_client_data->keysym_scancodes;
/* If keysym can be in lookup table */
if (keysym <= 0xFFFF) {
/* Look up scancode mapping */
- const guac_rdp_scancode_map* scancode_map = GUAC_RDP_KEYSYM_LOOKUP(*keysym_scancodes, keysym);
+ const guac_rdp_keysym_desc* keysym_desc =
+ &GUAC_RDP_KEYSYM_LOOKUP(guac_client_data->keymap, keysym);
/* If defined, send event */
- if (scancode_map->scancode != 0)
+ if (keysym_desc->scancode != 0) {
+
+ /* If defined, send any prerequesite keys that must be set */
+ if (keysym_desc->set_keysyms != NULL)
+ __guac_rdp_update_keysyms(client, keysym_desc->set_keysyms, 0, 1);
+
+ /* If defined, release any keys that must be cleared */
+ if (keysym_desc->clear_keysyms != NULL)
+ __guac_rdp_update_keysyms(client, keysym_desc->clear_keysyms, 1, 0);
+
+ /* Send actual key */
rdp_inst->input->KeyboardEvent(
+ rdp_inst->input,
+ keysym_desc->flags
+ | (pressed ? KBD_FLAGS_DOWN : KBD_FLAGS_RELEASE),
+ keysym_desc->scancode);
+
+ guac_client_log_info(client, "Base flags are %d", keysym_desc->flags);
+
+ /* If defined, release any keys that were originally released */
+ if (keysym_desc->set_keysyms != NULL)
+ __guac_rdp_update_keysyms(client, keysym_desc->set_keysyms, 0, 0);
+
+ /* If defined, send any keys that were originally set */
+ if (keysym_desc->clear_keysyms != NULL)
+ __guac_rdp_update_keysyms(client, keysym_desc->clear_keysyms, 1, 1);
+
+
+
+ /* /\* If undefined but has Alt-code, use Alt-Code *\/ */
+ /* else if (keysym <= 0xFF) { */
+
+ /* /\* NOTE: The Alt-codes are conveniently identical to keysyms. *\/ */
+
+ /* /\* Only send Alt-code on press *\/ */
+ /* if (pressed) */
+ /* __guac_rdp_send_altcode(client, keysym); */
+
+ /* } */
+
+ /* /\* If no defined Alt-code, log warning *\/ */
+ /* else */
+ /* guac_client_log_info(client, "unmapped keysym: 0x%x", keysym); */
+
+ } else {
+ /* Fall back to unicode events */
+ int unicode_code = keysym2uni(keysym);
+ guac_client_log_info(client, "Translated keysym:0x%x to unicode:0x%x (pressed=%d flag=%d)",
+ keysym, unicode_code, pressed, pressed ? KBD_FLAGS_DOWN : KBD_FLAGS_RELEASE);
+
+ /* LibfreeRDP seems not to take into account the DOWN/RELEASE flags.
+ * So we send only the key once.
+ */
+ if (pressed) {
+ rdp_inst->input->UnicodeKeyboardEvent(
rdp_inst->input,
- scancode_map->flags
- | (pressed ? KBD_FLAGS_DOWN : KBD_FLAGS_RELEASE),
- scancode_map->scancode);
+ 0,//pressed ? KBD_FLAGS_DOW : KBD_FLAGS_RELEASE,
+ unicode_code);
+ }
+ }
+ }
+
+ return 0;
+}
- /* If undefined, try to type using Alt-code */
- else {
+void __guac_rdp_update_keysyms(guac_client* client, const int* keysym_string, int from, int to) {
- const guac_rdp_altcode_map* altcode_map = GUAC_RDP_KEYSYM_LOOKUP(guac_rdp_keysym_altcode, keysym);
- if (altcode_map->altcode != NULL) {
+ rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
+ int keysym;
- /* Only send Alt-code on press */
- if (pressed)
- __guac_rdp_send_altcode(client, altcode_map->altcode);
+ /* Send all keysyms in string, NULL terminated */
+ while ((keysym = *keysym_string) != 0) {
- }
+ /* Get current keysym state */
+ int current_state = GUAC_RDP_KEYSYM_LOOKUP(guac_client_data->keysym_state, keysym);
- /* If no defined Alt-code, log warning */
- else
- guac_client_log_info(client, "unmapped keysym: 0x%x", keysym);
+ /* If key is currently in given state, send event for changing it to specified "to" state */
+ if (current_state == from)
+ __guac_rdp_send_keysym(client, *keysym_string, to);
- }
+ /* Next keysym */
+ keysym_string++;
}
+}
+
+int rdp_guac_client_key_handler(guac_client* client, int keysym, int pressed) {
+
+ rdp_guac_client_data* guac_client_data = (rdp_guac_client_data*) client->data;
+
+ /* Update keysym state */
+ GUAC_RDP_KEYSYM_LOOKUP(guac_client_data->keysym_state, keysym) = pressed;
+
+ return __guac_rdp_send_keysym(client, keysym, pressed);
+
+}
+
+int rdp_guac_client_clipboard_handler(guac_client* client, char* data) {
+
+ rdpChannels* channels =
+ ((rdp_guac_client_data*) client->data)->rdp_inst->context->channels;
+
+ RDP_CB_FORMAT_LIST_EVENT* format_list =
+ (RDP_CB_FORMAT_LIST_EVENT*) freerdp_event_new(
+ RDP_EVENT_CLASS_CLIPRDR,
+ RDP_EVENT_TYPE_CB_FORMAT_LIST,
+ NULL, NULL);
+
+ /* Free existing data */
+ free(((rdp_guac_client_data*) client->data)->clipboard);
+
+ /* Store data in client */
+ ((rdp_guac_client_data*) client->data)->clipboard = strdup(data);
+
+ /* Notify server that text data is now available */
+ format_list->formats = (uint32*) malloc(sizeof(uint32));
+ format_list->formats[0] = CB_FORMAT_TEXT;
+ format_list->num_formats = 1;
+
+ freerdp_channels_send_event(channels, (RDP_EVENT*) format_list);
+
return 0;
+
}
projects / libguac-client-rdp.git / blobdiff