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/*
* QEMU VNC display driver: SASL auth protocol
*
* Copyright (C) 2009 Red Hat, Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef QEMU_VNC_AUTH_SASL_H
#define QEMU_VNC_AUTH_SASL_H
#include <sasl/sasl.h>
typedef struct VncStateSASL VncStateSASL;
typedef struct VncDisplaySASL VncDisplaySASL;
#include "authz/base.h"
struct VncStateSASL {
sasl_conn_t *conn;
/* If we want to negotiate an SSF layer with client */
bool wantSSF;
/* If we are now running the SSF layer */
bool runSSF;
/*
* If this is non-zero, then wait for that many bytes
* to be written plain, before switching to SSF encoding
* This allows the VNC auth result to finish being
* written in plain.
*/
unsigned int waitWriteSSF;
/*
* Buffering encoded data to allow more clear data
* to be stuffed onto the output buffer
*/
const uint8_t *encoded;
unsigned int encodedLength;
unsigned int encodedRawLength;
unsigned int encodedOffset;
char *username;
char *mechlist;
};
struct VncDisplaySASL {
QAuthZ *authz;
char *authzid;
};
bool vnc_sasl_server_init(Error **errp);
void vnc_sasl_client_cleanup(VncState *vs);
size_t vnc_client_read_sasl(VncState *vs);
size_t vnc_client_write_sasl(VncState *vs);
void start_auth_sasl(VncState *vs);
#endif /* QEMU_VNC_AUTH_SASL_H */
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