* THE SOFTWARE.
*/
-#ifndef __QEMU_VNC_H
-#define __QEMU_VNC_H
+#ifndef QEMU_VNC_H
+#define QEMU_VNC_H
#include "qemu-common.h"
+#include "qapi/qapi-types-ui.h"
#include "qemu/queue.h"
#include "qemu/thread.h"
#include "ui/console.h"
#include "audio/audio.h"
#include "qemu/bitmap.h"
+#include "crypto/tlssession.h"
+#include "qemu/buffer.h"
+#include "io/channel-socket.h"
+#include "io/channel-tls.h"
+#include "io/net-listener.h"
#include <zlib.h>
-#include <stdbool.h>
#include "keymaps.h"
#include "vnc-palette.h"
#include "vnc-enc-zrle.h"
-#include "qapi-types.h"
// #define _VNC_DEBUG 1
*
*****************************************************************************/
-typedef struct Buffer
-{
- size_t capacity;
- size_t offset;
- uint8_t *buffer;
-} Buffer;
-
typedef struct VncState VncState;
typedef struct VncJob VncJob;
typedef struct VncRect VncRect;
typedef struct VncDisplay VncDisplay;
-#ifdef CONFIG_VNC_TLS
-#include "vnc-tls.h"
#include "vnc-auth-vencrypt.h"
-#endif
#ifdef CONFIG_VNC_SASL
#include "vnc-auth-sasl.h"
#endif
int num_exclusive;
int connections_limit;
VncSharePolicy share_policy;
- int lsock;
- int lwebsock;
- bool ws_enabled;
+ QIONetListener *listener;
+ QIONetListener *wslistener;
DisplaySurface *ds;
DisplayChangeListener dcl;
kbd_layout_t *kbd_layout;
int lock_key_sync;
+ QEMUPutLEDEntry *led;
+ int ledstate;
+ int key_delay_ms;
QemuMutex mutex;
QEMUCursor *cursor;
const char *id;
QTAILQ_ENTRY(VncDisplay) next;
- bool enabled;
bool is_unix;
char *password;
time_t expires;
int auth;
int subauth; /* Used by VeNCrypt */
int ws_auth; /* Used by websockets */
- bool ws_tls; /* Used by websockets */
+ int ws_subauth; /* Used by websockets */
bool lossy;
bool non_adaptive;
-#ifdef CONFIG_VNC_TLS
- VncDisplayTLS tls;
-#endif
+ QCryptoTLSCreds *tlscreds;
+ char *tlsaclname;
#ifdef CONFIG_VNC_SASL
VncDisplaySASL sasl;
#endif
QTAILQ_ENTRY(VncJob) next;
};
+typedef enum {
+ VNC_STATE_UPDATE_NONE,
+ VNC_STATE_UPDATE_INCREMENTAL,
+ VNC_STATE_UPDATE_FORCE,
+} VncStateUpdate;
+
struct VncState
{
- int csock;
+ QIOChannelSocket *sioc; /* The underlying socket */
+ QIOChannel *ioc; /* The channel currently used for I/O */
+ guint ioc_tag;
+ gboolean disconnecting;
DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_DIRTY_BITS);
uint8_t **lossy_rect; /* Not an Array to avoid costly memcpy in
* vnc-jobs-async.c */
VncDisplay *vd;
- int need_update;
- int force_update;
+ VncStateUpdate update; /* Most recent pending request from client */
+ VncStateUpdate job_update; /* Currently processed by job thread */
int has_dirty;
uint32_t features;
int absolute;
int last_x;
int last_y;
uint32_t last_bmask;
- int client_width;
- int client_height;
+ size_t client_width; /* limited to u16 by RFB proto */
+ size_t client_height; /* limited to u16 by RFB proto */
VncShareMode share_mode;
uint32_t vnc_encoding;
int auth;
int subauth; /* Used by VeNCrypt */
char challenge[VNC_AUTH_CHALLENGE_SIZE];
-#ifdef CONFIG_VNC_TLS
- VncStateTLS tls;
-#endif
+ QCryptoTLSSession *tls; /* Borrowed pointer from channel, don't free */
#ifdef CONFIG_VNC_SASL
VncStateSASL sasl;
#endif
VncClientInfo *info;
+ /* Job thread bottom half has put data for a forced update
+ * into the output buffer. This offset points to the end of
+ * the update data in the output buffer. This lets us determine
+ * when a force update is fully sent to the client, allowing
+ * us to process further forced updates. */
+ size_t force_update_offset;
+ /* We allow multiple incremental updates or audio capture
+ * samples to be queued in output buffer, provided the
+ * buffer size doesn't exceed this threshold. The value
+ * is calculating dynamically based on framebuffer size
+ * and audio sample settings in vnc_update_throttle_offset() */
+ size_t throttle_output_offset;
Buffer output;
Buffer input;
- Buffer ws_input;
- Buffer ws_output;
- size_t ws_payload_remain;
- WsMask ws_payload_mask;
/* current output mode information */
VncWritePixels *write_pixels;
PixelFormat client_pf;
size_t read_handler_expect;
/* input */
uint8_t modifiers_state[256];
- QEMUPutLEDEntry *led;
bool abort;
- bool initialized;
QemuMutex output_mutex;
QEMUBH *bh;
Buffer jobs_buffer;
*****************************************************************************/
/* Event loop functions */
-void vnc_client_read(void *opaque);
-void vnc_client_write(void *opaque);
+gboolean vnc_client_io(QIOChannel *ioc,
+ GIOCondition condition,
+ void *opaque);
-long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen);
-long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen);
+size_t vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen);
+size_t vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen);
/* Protocol I/O functions */
void vnc_write(VncState *vs, const void *data, size_t len);
void vnc_flush(VncState *vs);
void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting);
void vnc_disconnect_finish(VncState *vs);
-void vnc_init_state(VncState *vs);
+void vnc_start_protocol(VncState *vs);
/* Buffer I/O functions */
/* Protocol stage functions */
void vnc_client_error(VncState *vs);
-int vnc_client_io_error(VncState *vs, int ret, int last_errno);
+size_t vnc_client_io_error(VncState *vs, ssize_t ret, Error **errp);
void start_client_init(VncState *vs);
void start_auth_vnc(VncState *vs);
-/* Buffer management */
-void buffer_reserve(Buffer *buffer, size_t len);
-void buffer_reset(Buffer *buffer);
-void buffer_free(Buffer *buffer);
-void buffer_append(Buffer *buffer, const void *data, size_t len);
-void buffer_advance(Buffer *buf, size_t len);
-uint8_t *buffer_end(Buffer *buffer);
-
/* Misc helpers */
-char *vnc_socket_local_addr(const char *format, int fd);
-char *vnc_socket_remote_addr(const char *format, int fd);
-
static inline uint32_t vnc_has_feature(VncState *vs, int feature) {
return (vs->features & (1 << feature));
}
int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h);
void vnc_zrle_clear(VncState *vs);
-#endif /* __QEMU_VNC_H */
+#endif /* QEMU_VNC_H */
projects / qemu.git / blobdiff