[qemu.git] / ui / vnc-auth-sasl.h

/*
 * 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 "qemu/acl.h"
#include "qemu/main-loop.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 encodedOffset;
    char *username;
    char *mechlist;
};

struct VncDisplaySASL {
    qemu_acl *acl;
};

void vnc_sasl_client_cleanup(VncState *vs);

long vnc_client_read_sasl(VncState *vs);
long vnc_client_write_sasl(VncState *vs);

void start_auth_sasl(VncState *vs);

#endif /* __QEMU_VNC_AUTH_SASL_H__ */
Commit	Line	Data
2f9606b3 AL	1	/*
	2	* QEMU VNC display driver: SASL auth protocol
	3	*
	4	* Copyright (C) 2009 Red Hat, Inc
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24
	25
	26	#ifndef __QEMU_VNC_AUTH_SASL_H__
	27	#define __QEMU_VNC_AUTH_SASL_H__
	28
	29
	30	#include <sasl/sasl.h>
	31
	32	typedef struct VncStateSASL VncStateSASL;
76655d6d AL	33	typedef struct VncDisplaySASL VncDisplaySASL;
76655d6d AL	34
1de7afc9	35	#include "qemu/acl.h"
6a1751b7	36	#include "qemu/main-loop.h"
2f9606b3 AL	37
	38	struct VncStateSASL {
	39	sasl_conn_t *conn;
	40	/* If we want to negotiate an SSF layer with client */
ee032ca1	41	bool wantSSF;
2f9606b3	42	/* If we are now running the SSF layer */
ee032ca1	43	bool runSSF;
2f9606b3 AL	44	/*
	45	* If this is non-zero, then wait for that many bytes
	46	* to be written plain, before switching to SSF encoding
	47	* This allows the VNC auth result to finish being
	48	* written in plain.
	49	*/
	50	unsigned int waitWriteSSF;
	51
	52	/*
	53	* Buffering encoded data to allow more clear data
	54	* to be stuffed onto the output buffer
	55	*/
	56	const uint8_t *encoded;
	57	unsigned int encodedLength;
	58	unsigned int encodedOffset;
	59	char *username;
	60	char *mechlist;
	61	};
	62
76655d6d AL	63	struct VncDisplaySASL {
	64	qemu_acl *acl;
	65	};
	66
2f9606b3 AL	67	void vnc_sasl_client_cleanup(VncState *vs);
	68
	69	long vnc_client_read_sasl(VncState *vs);
	70	long vnc_client_write_sasl(VncState *vs);
	71
	72	void start_auth_sasl(VncState *vs);
	73
	74	#endif /* __QEMU_VNC_AUTH_SASL_H__ */
	75