[mirror_qemu.git] / ui / vnc-clipboard.c

/*
 * QEMU VNC display driver -- clipboard support
 *
 * Copyright (C) 2021 Gerd Hoffmann <kraxel@redhat.com>
 *
 * 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.
 */

#include "qemu/osdep.h"
#include "vnc.h"
#include "vnc-jobs.h"

static uint8_t *inflate_buffer(uint8_t *in, uint32_t in_len, uint32_t *size)
{
    z_stream stream = {
        .next_in  = in,
        .avail_in = in_len,
        .zalloc   = Z_NULL,
        .zfree    = Z_NULL,
    };
    uint32_t out_len = 8;
    uint8_t *out = g_malloc(out_len);
    int ret;

    stream.next_out = out + stream.total_out;
    stream.avail_out = out_len - stream.total_out;

    ret = inflateInit(&stream);
    if (ret != Z_OK) {
        goto err;
    }

    while (stream.avail_in) {
        ret = inflate(&stream, Z_FINISH);
        switch (ret) {
        case Z_OK:
        case Z_STREAM_END:
            break;
        case Z_BUF_ERROR:
            out_len <<= 1;
            if (out_len > (1 << 20)) {
                goto err_end;
            }
            out = g_realloc(out, out_len);
            stream.next_out = out + stream.total_out;
            stream.avail_out = out_len - stream.total_out;
            break;
        default:
            goto err_end;
        }
    }

    *size = stream.total_out;
    inflateEnd(&stream);

    return out;

err_end:
    inflateEnd(&stream);
err:
    g_free(out);
    return NULL;
}

static uint8_t *deflate_buffer(uint8_t *in, uint32_t in_len, uint32_t *size)
{
    z_stream stream = {
        .next_in  = in,
        .avail_in = in_len,
        .zalloc   = Z_NULL,
        .zfree    = Z_NULL,
    };
    uint32_t out_len = 8;
    uint8_t *out = g_malloc(out_len);
    int ret;

    stream.next_out = out + stream.total_out;
    stream.avail_out = out_len - stream.total_out;

    ret = deflateInit(&stream, Z_DEFAULT_COMPRESSION);
    if (ret != Z_OK) {
        goto err;
    }

    while (ret != Z_STREAM_END) {
        ret = deflate(&stream, Z_FINISH);
        switch (ret) {
        case Z_OK:
        case Z_STREAM_END:
            break;
        case Z_BUF_ERROR:
            out_len <<= 1;
            if (out_len > (1 << 20)) {
                goto err_end;
            }
            out = g_realloc(out, out_len);
            stream.next_out = out + stream.total_out;
            stream.avail_out = out_len - stream.total_out;
            break;
        default:
            goto err_end;
        }
    }

    *size = stream.total_out;
    deflateEnd(&stream);

    return out;

err_end:
    deflateEnd(&stream);
err:
    g_free(out);
    return NULL;
}

static void vnc_clipboard_send(VncState *vs, uint32_t count, uint32_t *dwords)
{
    int i;

    vnc_lock_output(vs);
    vnc_write_u8(vs, VNC_MSG_SERVER_CUT_TEXT);
    vnc_write_u8(vs, 0);
    vnc_write_u8(vs, 0);
    vnc_write_u8(vs, 0);
    vnc_write_s32(vs, -(count * sizeof(uint32_t)));  /* -(message length) */
    for (i = 0; i < count; i++) {
        vnc_write_u32(vs, dwords[i]);
    }
    vnc_unlock_output(vs);
    vnc_flush(vs);
}

static void vnc_clipboard_provide(VncState *vs,
                                  QemuClipboardInfo *info,
                                  QemuClipboardType type)
{
    uint32_t flags = 0;
    g_autofree uint8_t *buf = NULL;
    g_autofree void *zbuf = NULL;
    uint32_t zsize;

    switch (type) {
    case QEMU_CLIPBOARD_TYPE_TEXT:
        flags |= VNC_CLIPBOARD_TEXT;
        break;
    default:
        return;
    }
    flags |= VNC_CLIPBOARD_PROVIDE;

    buf = g_malloc(info->types[type].size + 4);
    buf[0] = (info->types[type].size >> 24) & 0xff;
    buf[1] = (info->types[type].size >> 16) & 0xff;
    buf[2] = (info->types[type].size >>  8) & 0xff;
    buf[3] = (info->types[type].size >>  0) & 0xff;
    memcpy(buf + 4, info->types[type].data, info->types[type].size);
    zbuf = deflate_buffer(buf, info->types[type].size + 4, &zsize);
    if (!zbuf) {
        return;
    }

    vnc_lock_output(vs);
    vnc_write_u8(vs, VNC_MSG_SERVER_CUT_TEXT);
    vnc_write_u8(vs, 0);
    vnc_write_u8(vs, 0);
    vnc_write_u8(vs, 0);
    vnc_write_s32(vs, -(sizeof(uint32_t) + zsize));  /* -(message length) */
    vnc_write_u32(vs, flags);
    vnc_write(vs, zbuf, zsize);
    vnc_unlock_output(vs);
    vnc_flush(vs);
}

static void vnc_clipboard_update_info(VncState *vs, QemuClipboardInfo *info)
{
    QemuClipboardType type;
    bool self_update = info->owner == &vs->cbpeer;
    uint32_t flags = 0;

    if (info != vs->cbinfo) {
        qemu_clipboard_info_unref(vs->cbinfo);
        vs->cbinfo = qemu_clipboard_info_ref(info);
        vs->cbpending = 0;
        if (!self_update) {
            if (info->types[QEMU_CLIPBOARD_TYPE_TEXT].available) {
                flags |= VNC_CLIPBOARD_TEXT;
            }
            flags |= VNC_CLIPBOARD_NOTIFY;
            vnc_clipboard_send(vs, 1, &flags);
        }
        return;
    }

    if (self_update) {
        return;
    }

    for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) {
        if (vs->cbpending & (1 << type)) {
            vs->cbpending &= ~(1 << type);
            vnc_clipboard_provide(vs, info, type);
        }
    }
}

static void vnc_clipboard_notify(Notifier *notifier, void *data)
{
    VncState *vs = container_of(notifier, VncState, cbpeer.notifier);
    QemuClipboardNotify *notify = data;

    switch (notify->type) {
    case QEMU_CLIPBOARD_UPDATE_INFO:
        vnc_clipboard_update_info(vs, notify->info);
        return;
    case QEMU_CLIPBOARD_RESET_SERIAL:
        /* ignore */
        return;
    }
}

static void vnc_clipboard_request(QemuClipboardInfo *info,
                                  QemuClipboardType type)
{
    VncState *vs = container_of(info->owner, VncState, cbpeer);
    uint32_t flags = 0;

    if (type == QEMU_CLIPBOARD_TYPE_TEXT) {
        flags |= VNC_CLIPBOARD_TEXT;
    }
    if (!flags) {
        return;
    }
    flags |= VNC_CLIPBOARD_REQUEST;

    vnc_clipboard_send(vs, 1, &flags);
}

void vnc_client_cut_text_ext(VncState *vs, int32_t len, uint32_t flags, uint8_t *data)
{
    if (flags & VNC_CLIPBOARD_CAPS) {
        /* need store caps somewhere ? */
        return;
    }

    if (flags & VNC_CLIPBOARD_NOTIFY) {
        QemuClipboardInfo *info =
            qemu_clipboard_info_new(&vs->cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD);
        if (flags & VNC_CLIPBOARD_TEXT) {
            info->types[QEMU_CLIPBOARD_TYPE_TEXT].available = true;
        }
        qemu_clipboard_update(info);
        qemu_clipboard_info_unref(info);
        return;
    }

    if (flags & VNC_CLIPBOARD_PROVIDE &&
        vs->cbinfo &&
        vs->cbinfo->owner == &vs->cbpeer) {
        uint32_t size = 0;
        g_autofree uint8_t *buf = inflate_buffer(data, len - 4, &size);
        if ((flags & VNC_CLIPBOARD_TEXT) &&
            buf && size >= 4) {
            uint32_t tsize = read_u32(buf, 0);
            uint8_t *tbuf = buf + 4;
            if (tsize < size) {
                qemu_clipboard_set_data(&vs->cbpeer, vs->cbinfo,
                                        QEMU_CLIPBOARD_TYPE_TEXT,
                                        tsize, tbuf, true);
            }
        }
    }

    if (flags & VNC_CLIPBOARD_REQUEST &&
        vs->cbinfo &&
        vs->cbinfo->owner != &vs->cbpeer) {
        if ((flags & VNC_CLIPBOARD_TEXT) &&
            vs->cbinfo->types[QEMU_CLIPBOARD_TYPE_TEXT].available) {
            if (vs->cbinfo->types[QEMU_CLIPBOARD_TYPE_TEXT].data) {
                vnc_clipboard_provide(vs, vs->cbinfo, QEMU_CLIPBOARD_TYPE_TEXT);
            } else {
                vs->cbpending |= (1 << QEMU_CLIPBOARD_TYPE_TEXT);
                qemu_clipboard_request(vs->cbinfo, QEMU_CLIPBOARD_TYPE_TEXT);
            }
        }
    }
}

void vnc_client_cut_text(VncState *vs, size_t len, uint8_t *text)
{
    QemuClipboardInfo *info =
        qemu_clipboard_info_new(&vs->cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD);

    qemu_clipboard_set_data(&vs->cbpeer, info, QEMU_CLIPBOARD_TYPE_TEXT,
                            len, text, true);
    qemu_clipboard_info_unref(info);
}

void vnc_server_cut_text_caps(VncState *vs)
{
    uint32_t caps[2];

    if (!vnc_has_feature(vs, VNC_FEATURE_CLIPBOARD_EXT)) {
        return;
    }

    caps[0] = (VNC_CLIPBOARD_PROVIDE |
               VNC_CLIPBOARD_NOTIFY  |
               VNC_CLIPBOARD_REQUEST |
               VNC_CLIPBOARD_CAPS    |
               VNC_CLIPBOARD_TEXT);
    caps[1] = 0;
    vnc_clipboard_send(vs, 2, caps);

    if (!vs->cbpeer.notifier.notify) {
        vs->cbpeer.name = "vnc";
        vs->cbpeer.notifier.notify = vnc_clipboard_notify;
        vs->cbpeer.request = vnc_clipboard_request;
        qemu_clipboard_peer_register(&vs->cbpeer);
    }
}
Commit	Line	Data
0bf41cab GH	1	/*
	2	* QEMU VNC display driver -- clipboard support
	3	*
	4	* Copyright (C) 2021 Gerd Hoffmann <kraxel@redhat.com>
	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	#include "qemu/osdep.h"
0bf41cab GH	26	#include "vnc.h"
	27	#include "vnc-jobs.h"
	28
	29	static uint8_t inflate_buffer(uint8_t in, uint32_t in_len, uint32_t *size)
	30	{
	31	z_stream stream = {
	32	.next_in = in,
	33	.avail_in = in_len,
	34	.zalloc = Z_NULL,
	35	.zfree = Z_NULL,
	36	};
	37	uint32_t out_len = 8;
	38	uint8_t *out = g_malloc(out_len);
	39	int ret;
	40
	41	stream.next_out = out + stream.total_out;
	42	stream.avail_out = out_len - stream.total_out;
	43
	44	ret = inflateInit(&stream);
	45	if (ret != Z_OK) {
	46	goto err;
	47	}
	48
	49	while (stream.avail_in) {
	50	ret = inflate(&stream, Z_FINISH);
	51	switch (ret) {
	52	case Z_OK:
	53	case Z_STREAM_END:
	54	break;
	55	case Z_BUF_ERROR:
	56	out_len <<= 1;
	57	if (out_len > (1 << 20)) {
	58	goto err_end;
	59	}
	60	out = g_realloc(out, out_len);
	61	stream.next_out = out + stream.total_out;
	62	stream.avail_out = out_len - stream.total_out;
	63	break;
	64	default:
	65	goto err_end;
	66	}
	67	}
	68
	69	*size = stream.total_out;
	70	inflateEnd(&stream);
	71
	72	return out;
	73
	74	err_end:
	75	inflateEnd(&stream);
	76	err:
	77	g_free(out);
	78	return NULL;
	79	}
	80
	81	static uint8_t deflate_buffer(uint8_t in, uint32_t in_len, uint32_t *size)
	82	{
	83	z_stream stream = {
	84	.next_in = in,
	85	.avail_in = in_len,
	86	.zalloc = Z_NULL,
	87	.zfree = Z_NULL,
	88	};
	89	uint32_t out_len = 8;
90	uint8_t *out = g_malloc(out_len);
91	int ret;
92
93	stream.next_out = out + stream.total_out;
94	stream.avail_out = out_len - stream.total_out;
95
96	ret = deflateInit(&stream, Z_DEFAULT_COMPRESSION);
97	if (ret != Z_OK) {
98	goto err;
99	}
100
101	while (ret != Z_STREAM_END) {
102	ret = deflate(&stream, Z_FINISH);
103	switch (ret) {
104	case Z_OK:
105	case Z_STREAM_END:
106	break;
107	case Z_BUF_ERROR:
108	out_len <<= 1;
109	if (out_len > (1 << 20)) {
110	goto err_end;
111	}
112	out = g_realloc(out, out_len);
113	stream.next_out = out + stream.total_out;
114	stream.avail_out = out_len - stream.total_out;
115	break;
116	default:
117	goto err_end;
118	}
119	}
120
121	*size = stream.total_out;
122	deflateEnd(&stream);
123
124	return out;
125
126	err_end:
127	deflateEnd(&stream);
128	err:
129	g_free(out);
130	return NULL;
131	}
132
133	static void vnc_clipboard_send(VncState vs, uint32_t count, uint32_t dwords)
134	{
135	int i;
136
137	vnc_lock_output(vs);
138	vnc_write_u8(vs, VNC_MSG_SERVER_CUT_TEXT);
139	vnc_write_u8(vs, 0);
140	vnc_write_u8(vs, 0);
141	vnc_write_u8(vs, 0);
142	vnc_write_s32(vs, -(count * sizeof(uint32_t))); /* -(message length) */
143	for (i = 0; i < count; i++) {
144	vnc_write_u32(vs, dwords[i]);
145	}
146	vnc_unlock_output(vs);
147	vnc_flush(vs);
148	}
149
150	static void vnc_clipboard_provide(VncState *vs,
151	QemuClipboardInfo *info,
152	QemuClipboardType type)
153	{
154	uint32_t flags = 0;
155	g_autofree uint8_t *buf = NULL;
156	g_autofree void *zbuf = NULL;
157	uint32_t zsize;
158
159	switch (type) {
160	case QEMU_CLIPBOARD_TYPE_TEXT:
161	flags \|= VNC_CLIPBOARD_TEXT;
162	break;
163	default:
164	return;
165	}
166	flags \|= VNC_CLIPBOARD_PROVIDE;
167
168	buf = g_malloc(info->types[type].size + 4);
169	buf[0] = (info->types[type].size >> 24) & 0xff;
170	buf[1] = (info->types[type].size >> 16) & 0xff;
171	buf[2] = (info->types[type].size >> 8) & 0xff;
172	buf[3] = (info->types[type].size >> 0) & 0xff;
173	memcpy(buf + 4, info->types[type].data, info->types[type].size);
174	zbuf = deflate_buffer(buf, info->types[type].size + 4, &zsize);
175	if (!zbuf) {
176	return;
177	}
178
179	vnc_lock_output(vs);
180	vnc_write_u8(vs, VNC_MSG_SERVER_CUT_TEXT);
181	vnc_write_u8(vs, 0);
182	vnc_write_u8(vs, 0);
183	vnc_write_u8(vs, 0);
184	vnc_write_s32(vs, -(sizeof(uint32_t) + zsize)); /* -(message length) */
185	vnc_write_u32(vs, flags);
186	vnc_write(vs, zbuf, zsize);
187	vnc_unlock_output(vs);
188	vnc_flush(vs);
189	}
190
1b17f1e9	191	static void vnc_clipboard_update_info(VncState vs, QemuClipboardInfo info)
0bf41cab	192	{
0bf41cab GH	193	QemuClipboardType type;
	194	bool self_update = info->owner == &vs->cbpeer;
	195	uint32_t flags = 0;
	196
	197	if (info != vs->cbinfo) {
	198	qemu_clipboard_info_unref(vs->cbinfo);
	199	vs->cbinfo = qemu_clipboard_info_ref(info);
	200	vs->cbpending = 0;
	201	if (!self_update) {
	202	if (info->types[QEMU_CLIPBOARD_TYPE_TEXT].available) {
	203	flags \|= VNC_CLIPBOARD_TEXT;
	204	}
	205	flags \|= VNC_CLIPBOARD_NOTIFY;
	206	vnc_clipboard_send(vs, 1, &flags);
	207	}
	208	return;
	209	}
	210
	211	if (self_update) {
	212	return;
	213	}
	214
	215	for (type = 0; type < QEMU_CLIPBOARD_TYPE__COUNT; type++) {
	216	if (vs->cbpending & (1 << type)) {
	217	vs->cbpending &= ~(1 << type);
	218	vnc_clipboard_provide(vs, info, type);
	219	}
	220	}
	221	}
	222
1b17f1e9 MAL	223	static void vnc_clipboard_notify(Notifier notifier, void data)
	224	{
	225	VncState *vs = container_of(notifier, VncState, cbpeer.notifier);
	226	QemuClipboardNotify *notify = data;
	227
	228	switch (notify->type) {
	229	case QEMU_CLIPBOARD_UPDATE_INFO:
	230	vnc_clipboard_update_info(vs, notify->info);
	231	return;
505dbf9b MAL	232	case QEMU_CLIPBOARD_RESET_SERIAL:
	233	/* ignore */
	234	return;
1b17f1e9 MAL	235	}
	236	}
	237
0bf41cab GH	238	static void vnc_clipboard_request(QemuClipboardInfo *info,
	239	QemuClipboardType type)
	240	{
	241	VncState *vs = container_of(info->owner, VncState, cbpeer);
	242	uint32_t flags = 0;
	243
	244	if (type == QEMU_CLIPBOARD_TYPE_TEXT) {
	245	flags \|= VNC_CLIPBOARD_TEXT;
	246	}
	247	if (!flags) {
	248	return;
	249	}
	250	flags \|= VNC_CLIPBOARD_REQUEST;
	251
	252	vnc_clipboard_send(vs, 1, &flags);
	253	}
	254
	255	void vnc_client_cut_text_ext(VncState vs, int32_t len, uint32_t flags, uint8_t data)
	256	{
	257	if (flags & VNC_CLIPBOARD_CAPS) {
	258	/* need store caps somewhere ? */
	259	return;
	260	}
	261
	262	if (flags & VNC_CLIPBOARD_NOTIFY) {
	263	QemuClipboardInfo *info =
	264	qemu_clipboard_info_new(&vs->cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD);
	265	if (flags & VNC_CLIPBOARD_TEXT) {
	266	info->types[QEMU_CLIPBOARD_TYPE_TEXT].available = true;
	267	}
	268	qemu_clipboard_update(info);
	269	qemu_clipboard_info_unref(info);
	270	return;
	271	}
	272
	273	if (flags & VNC_CLIPBOARD_PROVIDE &&
	274	vs->cbinfo &&
	275	vs->cbinfo->owner == &vs->cbpeer) {
	276	uint32_t size = 0;
	277	g_autofree uint8_t *buf = inflate_buffer(data, len - 4, &size);
	278	if ((flags & VNC_CLIPBOARD_TEXT) &&
	279	buf && size >= 4) {
	280	uint32_t tsize = read_u32(buf, 0);
	281	uint8_t *tbuf = buf + 4;
	282	if (tsize < size) {
	283	qemu_clipboard_set_data(&vs->cbpeer, vs->cbinfo,
	284	QEMU_CLIPBOARD_TYPE_TEXT,
	285	tsize, tbuf, true);
	286	}
	287	}
	288	}
	289
	290	if (flags & VNC_CLIPBOARD_REQUEST &&
	291	vs->cbinfo &&
	292	vs->cbinfo->owner != &vs->cbpeer) {
	293	if ((flags & VNC_CLIPBOARD_TEXT) &&
	294	vs->cbinfo->types[QEMU_CLIPBOARD_TYPE_TEXT].available) {
	295	if (vs->cbinfo->types[QEMU_CLIPBOARD_TYPE_TEXT].data) {
	296	vnc_clipboard_provide(vs, vs->cbinfo, QEMU_CLIPBOARD_TYPE_TEXT);
	297	} else {
	298	vs->cbpending \|= (1 << QEMU_CLIPBOARD_TYPE_TEXT);
	299	qemu_clipboard_request(vs->cbinfo, QEMU_CLIPBOARD_TYPE_TEXT);
	300	}
	301	}
302	}
303	}
304
305	void vnc_client_cut_text(VncState vs, size_t len, uint8_t text)
306	{
307	QemuClipboardInfo *info =
308	qemu_clipboard_info_new(&vs->cbpeer, QEMU_CLIPBOARD_SELECTION_CLIPBOARD);
309
310	qemu_clipboard_set_data(&vs->cbpeer, info, QEMU_CLIPBOARD_TYPE_TEXT,
311	len, text, true);
312	qemu_clipboard_info_unref(info);
313	}
314
315	void vnc_server_cut_text_caps(VncState *vs)
316	{
317	uint32_t caps[2];
318
319	if (!vnc_has_feature(vs, VNC_FEATURE_CLIPBOARD_EXT)) {
320	return;
321	}
322
323	caps[0] = (VNC_CLIPBOARD_PROVIDE \|
324	VNC_CLIPBOARD_NOTIFY \|
325	VNC_CLIPBOARD_REQUEST \|
326	VNC_CLIPBOARD_CAPS \|
327	VNC_CLIPBOARD_TEXT);
328	caps[1] = 0;
329	vnc_clipboard_send(vs, 2, caps);
330
1b17f1e9	331	if (!vs->cbpeer.notifier.notify) {
2e572baf	332	vs->cbpeer.name = "vnc";
1b17f1e9	333	vs->cbpeer.notifier.notify = vnc_clipboard_notify;
2e572baf VSO	334	vs->cbpeer.request = vnc_clipboard_request;
	335	qemu_clipboard_peer_register(&vs->cbpeer);
	336	}
0bf41cab	337	}