root / vnc.c @ 4556bd8b
History | View | Annotate | Download (74.6 kB)
1 | 7d510b8c | bellard | /*
|
---|---|---|---|
2 | 7d510b8c | bellard | * QEMU VNC display driver
|
3 | 5fafdf24 | ths | *
|
4 | 7d510b8c | bellard | * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>
|
5 | 7d510b8c | bellard | * Copyright (C) 2006 Fabrice Bellard
|
6 | 19a490bf | aliguori | * Copyright (C) 2009 Red Hat, Inc
|
7 | 5fafdf24 | ths | *
|
8 | 7d510b8c | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
|
9 | 7d510b8c | bellard | * of this software and associated documentation files (the "Software"), to deal
|
10 | 7d510b8c | bellard | * in the Software without restriction, including without limitation the rights
|
11 | 7d510b8c | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
12 | 7d510b8c | bellard | * copies of the Software, and to permit persons to whom the Software is
|
13 | 7d510b8c | bellard | * furnished to do so, subject to the following conditions:
|
14 | 7d510b8c | bellard | *
|
15 | 7d510b8c | bellard | * The above copyright notice and this permission notice shall be included in
|
16 | 7d510b8c | bellard | * all copies or substantial portions of the Software.
|
17 | 7d510b8c | bellard | *
|
18 | 7d510b8c | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
19 | 7d510b8c | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
20 | 7d510b8c | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
21 | 7d510b8c | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
22 | 7d510b8c | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
23 | 7d510b8c | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
24 | 7d510b8c | bellard | * THE SOFTWARE.
|
25 | 7d510b8c | bellard | */
|
26 | 7d510b8c | bellard | |
27 | 19a490bf | aliguori | #include "vnc.h" |
28 | 87ecb68b | pbrook | #include "sysemu.h" |
29 | 6ca957f0 | bellard | #include "qemu_socket.h" |
30 | 87ecb68b | pbrook | #include "qemu-timer.h" |
31 | 76655d6d | aliguori | #include "acl.h" |
32 | d96fd29c | Luiz Capitulino | #include "qemu-objects.h" |
33 | 24236869 | bellard | |
34 | 2430ffe4 | Stefano Stabellini | #define VNC_REFRESH_INTERVAL_BASE 30 |
35 | 2430ffe4 | Stefano Stabellini | #define VNC_REFRESH_INTERVAL_INC 50 |
36 | 2430ffe4 | Stefano Stabellini | #define VNC_REFRESH_INTERVAL_MAX 2000 |
37 | 24236869 | bellard | |
38 | 24236869 | bellard | #include "vnc_keysym.h" |
39 | 70848515 | ths | #include "d3des.h" |
40 | 70848515 | ths | |
41 | 90a1e3c0 | aliguori | #define count_bits(c, v) { \
|
42 | 90a1e3c0 | aliguori | for (c = 0; v; v >>= 1) \ |
43 | 90a1e3c0 | aliguori | { \ |
44 | 90a1e3c0 | aliguori | c += v & 1; \
|
45 | 90a1e3c0 | aliguori | } \ |
46 | 90a1e3c0 | aliguori | } |
47 | 8d5d2d4c | ths | |
48 | 24236869 | bellard | |
49 | 753b4053 | aliguori | static VncDisplay *vnc_display; /* needed for info vnc */ |
50 | 7d957bd8 | aliguori | static DisplayChangeListener *dcl;
|
51 | a9ce8590 | bellard | |
52 | 1ff7df1a | aliguori | static char *addr_to_string(const char *format, |
53 | 1ff7df1a | aliguori | struct sockaddr_storage *sa,
|
54 | 1ff7df1a | aliguori | socklen_t salen) { |
55 | 1ff7df1a | aliguori | char *addr;
|
56 | 1ff7df1a | aliguori | char host[NI_MAXHOST];
|
57 | 1ff7df1a | aliguori | char serv[NI_MAXSERV];
|
58 | 1ff7df1a | aliguori | int err;
|
59 | 457772e6 | aliguori | size_t addrlen; |
60 | 1ff7df1a | aliguori | |
61 | 1ff7df1a | aliguori | if ((err = getnameinfo((struct sockaddr *)sa, salen, |
62 | 1ff7df1a | aliguori | host, sizeof(host),
|
63 | 1ff7df1a | aliguori | serv, sizeof(serv),
|
64 | 1ff7df1a | aliguori | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
|
65 | 1ff7df1a | aliguori | VNC_DEBUG("Cannot resolve address %d: %s\n",
|
66 | 1ff7df1a | aliguori | err, gai_strerror(err)); |
67 | 1ff7df1a | aliguori | return NULL; |
68 | 1ff7df1a | aliguori | } |
69 | 1ff7df1a | aliguori | |
70 | 457772e6 | aliguori | /* Enough for the existing format + the 2 vars we're
|
71 | f425c278 | Stefan Weil | * substituting in. */
|
72 | 457772e6 | aliguori | addrlen = strlen(format) + strlen(host) + strlen(serv); |
73 | 457772e6 | aliguori | addr = qemu_malloc(addrlen + 1);
|
74 | 457772e6 | aliguori | snprintf(addr, addrlen, format, host, serv); |
75 | 457772e6 | aliguori | addr[addrlen] = '\0';
|
76 | 1ff7df1a | aliguori | |
77 | 1ff7df1a | aliguori | return addr;
|
78 | 1ff7df1a | aliguori | } |
79 | 1ff7df1a | aliguori | |
80 | 2f9606b3 | aliguori | |
81 | 2f9606b3 | aliguori | char *vnc_socket_local_addr(const char *format, int fd) { |
82 | 1ff7df1a | aliguori | struct sockaddr_storage sa;
|
83 | 1ff7df1a | aliguori | socklen_t salen; |
84 | 1ff7df1a | aliguori | |
85 | 1ff7df1a | aliguori | salen = sizeof(sa);
|
86 | 1ff7df1a | aliguori | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) |
87 | 1ff7df1a | aliguori | return NULL; |
88 | 1ff7df1a | aliguori | |
89 | 1ff7df1a | aliguori | return addr_to_string(format, &sa, salen);
|
90 | 1ff7df1a | aliguori | } |
91 | 1ff7df1a | aliguori | |
92 | 2f9606b3 | aliguori | char *vnc_socket_remote_addr(const char *format, int fd) { |
93 | 1ff7df1a | aliguori | struct sockaddr_storage sa;
|
94 | 1ff7df1a | aliguori | socklen_t salen; |
95 | 1ff7df1a | aliguori | |
96 | 1ff7df1a | aliguori | salen = sizeof(sa);
|
97 | 1ff7df1a | aliguori | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) |
98 | 1ff7df1a | aliguori | return NULL; |
99 | 1ff7df1a | aliguori | |
100 | 1ff7df1a | aliguori | return addr_to_string(format, &sa, salen);
|
101 | 1ff7df1a | aliguori | } |
102 | 1ff7df1a | aliguori | |
103 | d96fd29c | Luiz Capitulino | static int put_addr_qdict(QDict *qdict, struct sockaddr_storage *sa, |
104 | d96fd29c | Luiz Capitulino | socklen_t salen) |
105 | d96fd29c | Luiz Capitulino | { |
106 | d96fd29c | Luiz Capitulino | char host[NI_MAXHOST];
|
107 | d96fd29c | Luiz Capitulino | char serv[NI_MAXSERV];
|
108 | d96fd29c | Luiz Capitulino | int err;
|
109 | d96fd29c | Luiz Capitulino | |
110 | d96fd29c | Luiz Capitulino | if ((err = getnameinfo((struct sockaddr *)sa, salen, |
111 | d96fd29c | Luiz Capitulino | host, sizeof(host),
|
112 | d96fd29c | Luiz Capitulino | serv, sizeof(serv),
|
113 | d96fd29c | Luiz Capitulino | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
|
114 | d96fd29c | Luiz Capitulino | VNC_DEBUG("Cannot resolve address %d: %s\n",
|
115 | d96fd29c | Luiz Capitulino | err, gai_strerror(err)); |
116 | d96fd29c | Luiz Capitulino | return -1; |
117 | d96fd29c | Luiz Capitulino | } |
118 | d96fd29c | Luiz Capitulino | |
119 | d96fd29c | Luiz Capitulino | qdict_put(qdict, "host", qstring_from_str(host));
|
120 | d96fd29c | Luiz Capitulino | qdict_put(qdict, "service", qstring_from_str(serv));
|
121 | dc0d4efc | Luiz Capitulino | qdict_put(qdict, "family",qstring_from_str(inet_strfamily(sa->ss_family)));
|
122 | d96fd29c | Luiz Capitulino | |
123 | d96fd29c | Luiz Capitulino | return 0; |
124 | d96fd29c | Luiz Capitulino | } |
125 | d96fd29c | Luiz Capitulino | |
126 | a7789382 | Luiz Capitulino | static int vnc_server_addr_put(QDict *qdict, int fd) |
127 | d96fd29c | Luiz Capitulino | { |
128 | d96fd29c | Luiz Capitulino | struct sockaddr_storage sa;
|
129 | d96fd29c | Luiz Capitulino | socklen_t salen; |
130 | d96fd29c | Luiz Capitulino | |
131 | d96fd29c | Luiz Capitulino | salen = sizeof(sa);
|
132 | d96fd29c | Luiz Capitulino | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) { |
133 | d96fd29c | Luiz Capitulino | return -1; |
134 | d96fd29c | Luiz Capitulino | } |
135 | d96fd29c | Luiz Capitulino | |
136 | d96fd29c | Luiz Capitulino | return put_addr_qdict(qdict, &sa, salen);
|
137 | d96fd29c | Luiz Capitulino | } |
138 | d96fd29c | Luiz Capitulino | |
139 | d96fd29c | Luiz Capitulino | static int vnc_qdict_remote_addr(QDict *qdict, int fd) |
140 | d96fd29c | Luiz Capitulino | { |
141 | d96fd29c | Luiz Capitulino | struct sockaddr_storage sa;
|
142 | d96fd29c | Luiz Capitulino | socklen_t salen; |
143 | d96fd29c | Luiz Capitulino | |
144 | d96fd29c | Luiz Capitulino | salen = sizeof(sa);
|
145 | d96fd29c | Luiz Capitulino | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) { |
146 | d96fd29c | Luiz Capitulino | return -1; |
147 | d96fd29c | Luiz Capitulino | } |
148 | d96fd29c | Luiz Capitulino | |
149 | d96fd29c | Luiz Capitulino | return put_addr_qdict(qdict, &sa, salen);
|
150 | d96fd29c | Luiz Capitulino | } |
151 | d96fd29c | Luiz Capitulino | |
152 | 1ff7df1a | aliguori | static const char *vnc_auth_name(VncDisplay *vd) { |
153 | 1ff7df1a | aliguori | switch (vd->auth) {
|
154 | 1ff7df1a | aliguori | case VNC_AUTH_INVALID:
|
155 | 1ff7df1a | aliguori | return "invalid"; |
156 | 1ff7df1a | aliguori | case VNC_AUTH_NONE:
|
157 | 1ff7df1a | aliguori | return "none"; |
158 | 1ff7df1a | aliguori | case VNC_AUTH_VNC:
|
159 | 1ff7df1a | aliguori | return "vnc"; |
160 | 1ff7df1a | aliguori | case VNC_AUTH_RA2:
|
161 | 1ff7df1a | aliguori | return "ra2"; |
162 | 1ff7df1a | aliguori | case VNC_AUTH_RA2NE:
|
163 | 1ff7df1a | aliguori | return "ra2ne"; |
164 | 1ff7df1a | aliguori | case VNC_AUTH_TIGHT:
|
165 | 1ff7df1a | aliguori | return "tight"; |
166 | 1ff7df1a | aliguori | case VNC_AUTH_ULTRA:
|
167 | 1ff7df1a | aliguori | return "ultra"; |
168 | 1ff7df1a | aliguori | case VNC_AUTH_TLS:
|
169 | 1ff7df1a | aliguori | return "tls"; |
170 | 1ff7df1a | aliguori | case VNC_AUTH_VENCRYPT:
|
171 | 1ff7df1a | aliguori | #ifdef CONFIG_VNC_TLS
|
172 | 1ff7df1a | aliguori | switch (vd->subauth) {
|
173 | 1ff7df1a | aliguori | case VNC_AUTH_VENCRYPT_PLAIN:
|
174 | 1ff7df1a | aliguori | return "vencrypt+plain"; |
175 | 1ff7df1a | aliguori | case VNC_AUTH_VENCRYPT_TLSNONE:
|
176 | 1ff7df1a | aliguori | return "vencrypt+tls+none"; |
177 | 1ff7df1a | aliguori | case VNC_AUTH_VENCRYPT_TLSVNC:
|
178 | 1ff7df1a | aliguori | return "vencrypt+tls+vnc"; |
179 | 1ff7df1a | aliguori | case VNC_AUTH_VENCRYPT_TLSPLAIN:
|
180 | 1ff7df1a | aliguori | return "vencrypt+tls+plain"; |
181 | 1ff7df1a | aliguori | case VNC_AUTH_VENCRYPT_X509NONE:
|
182 | 1ff7df1a | aliguori | return "vencrypt+x509+none"; |
183 | 1ff7df1a | aliguori | case VNC_AUTH_VENCRYPT_X509VNC:
|
184 | 1ff7df1a | aliguori | return "vencrypt+x509+vnc"; |
185 | 1ff7df1a | aliguori | case VNC_AUTH_VENCRYPT_X509PLAIN:
|
186 | 1ff7df1a | aliguori | return "vencrypt+x509+plain"; |
187 | 28a76be8 | aliguori | case VNC_AUTH_VENCRYPT_TLSSASL:
|
188 | 28a76be8 | aliguori | return "vencrypt+tls+sasl"; |
189 | 28a76be8 | aliguori | case VNC_AUTH_VENCRYPT_X509SASL:
|
190 | 28a76be8 | aliguori | return "vencrypt+x509+sasl"; |
191 | 1ff7df1a | aliguori | default:
|
192 | 1ff7df1a | aliguori | return "vencrypt"; |
193 | 1ff7df1a | aliguori | } |
194 | 1ff7df1a | aliguori | #else
|
195 | 1ff7df1a | aliguori | return "vencrypt"; |
196 | 1ff7df1a | aliguori | #endif
|
197 | 2f9606b3 | aliguori | case VNC_AUTH_SASL:
|
198 | 28a76be8 | aliguori | return "sasl"; |
199 | 1ff7df1a | aliguori | } |
200 | 1ff7df1a | aliguori | return "unknown"; |
201 | 1ff7df1a | aliguori | } |
202 | 1ff7df1a | aliguori | |
203 | a7789382 | Luiz Capitulino | static int vnc_server_info_put(QDict *qdict) |
204 | a7789382 | Luiz Capitulino | { |
205 | a7789382 | Luiz Capitulino | if (vnc_server_addr_put(qdict, vnc_display->lsock) < 0) { |
206 | a7789382 | Luiz Capitulino | return -1; |
207 | a7789382 | Luiz Capitulino | } |
208 | a7789382 | Luiz Capitulino | |
209 | a7789382 | Luiz Capitulino | qdict_put(qdict, "auth", qstring_from_str(vnc_auth_name(vnc_display)));
|
210 | a7789382 | Luiz Capitulino | return 0; |
211 | a7789382 | Luiz Capitulino | } |
212 | a7789382 | Luiz Capitulino | |
213 | 4a80dba3 | Luiz Capitulino | static void vnc_client_cache_auth(VncState *client) |
214 | 1ff7df1a | aliguori | { |
215 | d96fd29c | Luiz Capitulino | QDict *qdict; |
216 | 1ff7df1a | aliguori | |
217 | 4a80dba3 | Luiz Capitulino | if (!client->info) {
|
218 | 4a80dba3 | Luiz Capitulino | return;
|
219 | d96fd29c | Luiz Capitulino | } |
220 | 1263b7d6 | aliguori | |
221 | 4a80dba3 | Luiz Capitulino | qdict = qobject_to_qdict(client->info); |
222 | 4a80dba3 | Luiz Capitulino | |
223 | 1263b7d6 | aliguori | #ifdef CONFIG_VNC_TLS
|
224 | 1263b7d6 | aliguori | if (client->tls.session &&
|
225 | d96fd29c | Luiz Capitulino | client->tls.dname) { |
226 | d96fd29c | Luiz Capitulino | qdict_put(qdict, "x509_dname", qstring_from_str(client->tls.dname));
|
227 | d96fd29c | Luiz Capitulino | } |
228 | 1263b7d6 | aliguori | #endif
|
229 | 1263b7d6 | aliguori | #ifdef CONFIG_VNC_SASL
|
230 | 1263b7d6 | aliguori | if (client->sasl.conn &&
|
231 | d96fd29c | Luiz Capitulino | client->sasl.username) { |
232 | 76825067 | Luiz Capitulino | qdict_put(qdict, "sasl_username",
|
233 | 76825067 | Luiz Capitulino | qstring_from_str(client->sasl.username)); |
234 | d96fd29c | Luiz Capitulino | } |
235 | 1263b7d6 | aliguori | #endif
|
236 | 4a80dba3 | Luiz Capitulino | } |
237 | d96fd29c | Luiz Capitulino | |
238 | 4a80dba3 | Luiz Capitulino | static void vnc_client_cache_addr(VncState *client) |
239 | 4a80dba3 | Luiz Capitulino | { |
240 | 4a80dba3 | Luiz Capitulino | QDict *qdict; |
241 | 4a80dba3 | Luiz Capitulino | |
242 | 4a80dba3 | Luiz Capitulino | qdict = qdict_new(); |
243 | 4a80dba3 | Luiz Capitulino | if (vnc_qdict_remote_addr(qdict, client->csock) < 0) { |
244 | 4a80dba3 | Luiz Capitulino | QDECREF(qdict); |
245 | 4a80dba3 | Luiz Capitulino | /* XXX: how to report the error? */
|
246 | 4a80dba3 | Luiz Capitulino | return;
|
247 | 4a80dba3 | Luiz Capitulino | } |
248 | 4a80dba3 | Luiz Capitulino | |
249 | 4a80dba3 | Luiz Capitulino | client->info = QOBJECT(qdict); |
250 | 1ff7df1a | aliguori | } |
251 | 1ff7df1a | aliguori | |
252 | 586153d9 | Luiz Capitulino | static void vnc_qmp_event(VncState *vs, MonitorEvent event) |
253 | 586153d9 | Luiz Capitulino | { |
254 | 586153d9 | Luiz Capitulino | QDict *server; |
255 | 586153d9 | Luiz Capitulino | QObject *data; |
256 | 586153d9 | Luiz Capitulino | |
257 | 586153d9 | Luiz Capitulino | if (!vs->info) {
|
258 | 586153d9 | Luiz Capitulino | return;
|
259 | 586153d9 | Luiz Capitulino | } |
260 | 586153d9 | Luiz Capitulino | |
261 | 586153d9 | Luiz Capitulino | server = qdict_new(); |
262 | 586153d9 | Luiz Capitulino | if (vnc_server_info_put(server) < 0) { |
263 | 586153d9 | Luiz Capitulino | QDECREF(server); |
264 | 586153d9 | Luiz Capitulino | return;
|
265 | 586153d9 | Luiz Capitulino | } |
266 | 586153d9 | Luiz Capitulino | |
267 | 586153d9 | Luiz Capitulino | data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
|
268 | 586153d9 | Luiz Capitulino | vs->info, QOBJECT(server)); |
269 | 586153d9 | Luiz Capitulino | |
270 | 586153d9 | Luiz Capitulino | monitor_protocol_event(event, data); |
271 | 586153d9 | Luiz Capitulino | |
272 | 586153d9 | Luiz Capitulino | qobject_incref(vs->info); |
273 | 586153d9 | Luiz Capitulino | qobject_decref(data); |
274 | 586153d9 | Luiz Capitulino | } |
275 | 586153d9 | Luiz Capitulino | |
276 | d96fd29c | Luiz Capitulino | static void info_vnc_iter(QObject *obj, void *opaque) |
277 | a9ce8590 | bellard | { |
278 | d96fd29c | Luiz Capitulino | QDict *client; |
279 | d96fd29c | Luiz Capitulino | Monitor *mon = opaque; |
280 | d96fd29c | Luiz Capitulino | |
281 | d96fd29c | Luiz Capitulino | client = qobject_to_qdict(obj); |
282 | d96fd29c | Luiz Capitulino | monitor_printf(mon, "Client:\n");
|
283 | d96fd29c | Luiz Capitulino | monitor_printf(mon, " address: %s:%s\n",
|
284 | d96fd29c | Luiz Capitulino | qdict_get_str(client, "host"),
|
285 | d96fd29c | Luiz Capitulino | qdict_get_str(client, "service"));
|
286 | d96fd29c | Luiz Capitulino | |
287 | d96fd29c | Luiz Capitulino | #ifdef CONFIG_VNC_TLS
|
288 | d96fd29c | Luiz Capitulino | monitor_printf(mon, " x509_dname: %s\n",
|
289 | d96fd29c | Luiz Capitulino | qdict_haskey(client, "x509_dname") ?
|
290 | d96fd29c | Luiz Capitulino | qdict_get_str(client, "x509_dname") : "none"); |
291 | d96fd29c | Luiz Capitulino | #endif
|
292 | d96fd29c | Luiz Capitulino | #ifdef CONFIG_VNC_SASL
|
293 | d96fd29c | Luiz Capitulino | monitor_printf(mon, " username: %s\n",
|
294 | 76825067 | Luiz Capitulino | qdict_haskey(client, "sasl_username") ?
|
295 | 76825067 | Luiz Capitulino | qdict_get_str(client, "sasl_username") : "none"); |
296 | d96fd29c | Luiz Capitulino | #endif
|
297 | d96fd29c | Luiz Capitulino | } |
298 | d96fd29c | Luiz Capitulino | |
299 | d96fd29c | Luiz Capitulino | void do_info_vnc_print(Monitor *mon, const QObject *data) |
300 | d96fd29c | Luiz Capitulino | { |
301 | d96fd29c | Luiz Capitulino | QDict *server; |
302 | d96fd29c | Luiz Capitulino | QList *clients; |
303 | d96fd29c | Luiz Capitulino | |
304 | d96fd29c | Luiz Capitulino | server = qobject_to_qdict(data); |
305 | 8950a950 | Luiz Capitulino | if (qdict_get_bool(server, "enabled") == 0) { |
306 | 1ff7df1a | aliguori | monitor_printf(mon, "Server: disabled\n");
|
307 | d96fd29c | Luiz Capitulino | return;
|
308 | d96fd29c | Luiz Capitulino | } |
309 | 1ff7df1a | aliguori | |
310 | d96fd29c | Luiz Capitulino | monitor_printf(mon, "Server:\n");
|
311 | d96fd29c | Luiz Capitulino | monitor_printf(mon, " address: %s:%s\n",
|
312 | d96fd29c | Luiz Capitulino | qdict_get_str(server, "host"),
|
313 | d96fd29c | Luiz Capitulino | qdict_get_str(server, "service"));
|
314 | a7789382 | Luiz Capitulino | monitor_printf(mon, " auth: %s\n", qdict_get_str(server, "auth")); |
315 | d96fd29c | Luiz Capitulino | |
316 | d96fd29c | Luiz Capitulino | clients = qdict_get_qlist(server, "clients");
|
317 | d96fd29c | Luiz Capitulino | if (qlist_empty(clients)) {
|
318 | d96fd29c | Luiz Capitulino | monitor_printf(mon, "Client: none\n");
|
319 | d96fd29c | Luiz Capitulino | } else {
|
320 | d96fd29c | Luiz Capitulino | qlist_iter(clients, info_vnc_iter, mon); |
321 | d96fd29c | Luiz Capitulino | } |
322 | d96fd29c | Luiz Capitulino | } |
323 | 1ff7df1a | aliguori | |
324 | d96fd29c | Luiz Capitulino | /**
|
325 | d96fd29c | Luiz Capitulino | * do_info_vnc(): Show VNC server information
|
326 | d96fd29c | Luiz Capitulino | *
|
327 | d96fd29c | Luiz Capitulino | * Return a QDict with server information. Connected clients are returned
|
328 | d96fd29c | Luiz Capitulino | * as a QList of QDicts.
|
329 | d96fd29c | Luiz Capitulino | *
|
330 | d96fd29c | Luiz Capitulino | * The main QDict contains the following:
|
331 | d96fd29c | Luiz Capitulino | *
|
332 | 8950a950 | Luiz Capitulino | * - "enabled": true or false
|
333 | d96fd29c | Luiz Capitulino | * - "host": server's IP address
|
334 | 5c7238c5 | Luiz Capitulino | * - "family": address family ("ipv4" or "ipv6")
|
335 | d96fd29c | Luiz Capitulino | * - "service": server's port number
|
336 | a7789382 | Luiz Capitulino | * - "auth": authentication method
|
337 | d96fd29c | Luiz Capitulino | * - "clients": a QList of all connected clients
|
338 | d96fd29c | Luiz Capitulino | *
|
339 | d96fd29c | Luiz Capitulino | * Clients are described by a QDict, with the following information:
|
340 | d96fd29c | Luiz Capitulino | *
|
341 | d96fd29c | Luiz Capitulino | * - "host": client's IP address
|
342 | 5c7238c5 | Luiz Capitulino | * - "family": address family ("ipv4" or "ipv6")
|
343 | d96fd29c | Luiz Capitulino | * - "service": client's port number
|
344 | d96fd29c | Luiz Capitulino | * - "x509_dname": TLS dname (optional)
|
345 | 76825067 | Luiz Capitulino | * - "sasl_username": SASL username (optional)
|
346 | d96fd29c | Luiz Capitulino | *
|
347 | d96fd29c | Luiz Capitulino | * Example:
|
348 | d96fd29c | Luiz Capitulino | *
|
349 | 8950a950 | Luiz Capitulino | * { "enabled": true, "host": "0.0.0.0", "service": "50402", "auth": "vnc",
|
350 | 5c7238c5 | Luiz Capitulino | * "family": "ipv4",
|
351 | 5c7238c5 | Luiz Capitulino | * "clients": [{ "host": "127.0.0.1", "service": "50401", "family": "ipv4" }]}
|
352 | d96fd29c | Luiz Capitulino | */
|
353 | d96fd29c | Luiz Capitulino | void do_info_vnc(Monitor *mon, QObject **ret_data)
|
354 | d96fd29c | Luiz Capitulino | { |
355 | d96fd29c | Luiz Capitulino | if (vnc_display == NULL || vnc_display->display == NULL) { |
356 | 8950a950 | Luiz Capitulino | *ret_data = qobject_from_jsonf("{ 'enabled': false }");
|
357 | d96fd29c | Luiz Capitulino | } else {
|
358 | d96fd29c | Luiz Capitulino | QList *clist; |
359 | 41b4bef6 | Amit Shah | VncState *client; |
360 | 1ff7df1a | aliguori | |
361 | d96fd29c | Luiz Capitulino | clist = qlist_new(); |
362 | 41b4bef6 | Amit Shah | QTAILQ_FOREACH(client, &vnc_display->clients, next) { |
363 | 41b4bef6 | Amit Shah | if (client->info) {
|
364 | 41b4bef6 | Amit Shah | /* incref so that it's not freed by upper layers */
|
365 | 41b4bef6 | Amit Shah | qobject_incref(client->info); |
366 | 41b4bef6 | Amit Shah | qlist_append_obj(clist, client->info); |
367 | 1ff7df1a | aliguori | } |
368 | d96fd29c | Luiz Capitulino | } |
369 | d96fd29c | Luiz Capitulino | |
370 | 8950a950 | Luiz Capitulino | *ret_data = qobject_from_jsonf("{ 'enabled': true, 'clients': %p }",
|
371 | d96fd29c | Luiz Capitulino | QOBJECT(clist)); |
372 | d96fd29c | Luiz Capitulino | assert(*ret_data != NULL);
|
373 | d96fd29c | Luiz Capitulino | |
374 | a7789382 | Luiz Capitulino | if (vnc_server_info_put(qobject_to_qdict(*ret_data)) < 0) { |
375 | d96fd29c | Luiz Capitulino | qobject_decref(*ret_data); |
376 | d96fd29c | Luiz Capitulino | *ret_data = NULL;
|
377 | 1ff7df1a | aliguori | } |
378 | a9ce8590 | bellard | } |
379 | a9ce8590 | bellard | } |
380 | a9ce8590 | bellard | |
381 | 29fa4ed9 | aliguori | static inline uint32_t vnc_has_feature(VncState *vs, int feature) { |
382 | 29fa4ed9 | aliguori | return (vs->features & (1 << feature)); |
383 | 29fa4ed9 | aliguori | } |
384 | 29fa4ed9 | aliguori | |
385 | 24236869 | bellard | /* TODO
|
386 | 24236869 | bellard | 1) Get the queue working for IO.
|
387 | 24236869 | bellard | 2) there is some weirdness when using the -S option (the screen is grey
|
388 | 24236869 | bellard | and not totally invalidated
|
389 | 24236869 | bellard | 3) resolutions > 1024
|
390 | 24236869 | bellard | */
|
391 | 24236869 | bellard | |
392 | 2430ffe4 | Stefano Stabellini | static int vnc_update_client(VncState *vs, int has_dirty); |
393 | 198a0039 | Gerd Hoffmann | static void vnc_disconnect_start(VncState *vs); |
394 | 198a0039 | Gerd Hoffmann | static void vnc_disconnect_finish(VncState *vs); |
395 | 703bc68f | Stefano Stabellini | static void vnc_init_timer(VncDisplay *vd); |
396 | 703bc68f | Stefano Stabellini | static void vnc_remove_timer(VncDisplay *vd); |
397 | 24236869 | bellard | |
398 | 753b4053 | aliguori | static void vnc_colordepth(VncState *vs); |
399 | 1fc62412 | Stefano Stabellini | static void framebuffer_update_request(VncState *vs, int incremental, |
400 | 1fc62412 | Stefano Stabellini | int x_position, int y_position, |
401 | 1fc62412 | Stefano Stabellini | int w, int h); |
402 | 1fc62412 | Stefano Stabellini | static void vnc_refresh(void *opaque); |
403 | 1fc62412 | Stefano Stabellini | static int vnc_refresh_server_surface(VncDisplay *vd); |
404 | 7eac3a87 | aliguori | |
405 | 99589bdc | bellard | static inline void vnc_set_bit(uint32_t *d, int k) |
406 | 99589bdc | bellard | { |
407 | 99589bdc | bellard | d[k >> 5] |= 1 << (k & 0x1f); |
408 | 99589bdc | bellard | } |
409 | 99589bdc | bellard | |
410 | 99589bdc | bellard | static inline void vnc_clear_bit(uint32_t *d, int k) |
411 | 99589bdc | bellard | { |
412 | 99589bdc | bellard | d[k >> 5] &= ~(1 << (k & 0x1f)); |
413 | 99589bdc | bellard | } |
414 | 99589bdc | bellard | |
415 | 99589bdc | bellard | static inline void vnc_set_bits(uint32_t *d, int n, int nb_words) |
416 | 99589bdc | bellard | { |
417 | 99589bdc | bellard | int j;
|
418 | 99589bdc | bellard | |
419 | 99589bdc | bellard | j = 0;
|
420 | 99589bdc | bellard | while (n >= 32) { |
421 | 99589bdc | bellard | d[j++] = -1;
|
422 | 99589bdc | bellard | n -= 32;
|
423 | 99589bdc | bellard | } |
424 | 5fafdf24 | ths | if (n > 0) |
425 | 99589bdc | bellard | d[j++] = (1 << n) - 1; |
426 | 99589bdc | bellard | while (j < nb_words)
|
427 | 99589bdc | bellard | d[j++] = 0;
|
428 | 99589bdc | bellard | } |
429 | 99589bdc | bellard | |
430 | 99589bdc | bellard | static inline int vnc_get_bit(const uint32_t *d, int k) |
431 | 99589bdc | bellard | { |
432 | 99589bdc | bellard | return (d[k >> 5] >> (k & 0x1f)) & 1; |
433 | 99589bdc | bellard | } |
434 | 99589bdc | bellard | |
435 | 5fafdf24 | ths | static inline int vnc_and_bits(const uint32_t *d1, const uint32_t *d2, |
436 | 99589bdc | bellard | int nb_words)
|
437 | 99589bdc | bellard | { |
438 | 99589bdc | bellard | int i;
|
439 | 99589bdc | bellard | for(i = 0; i < nb_words; i++) { |
440 | 99589bdc | bellard | if ((d1[i] & d2[i]) != 0) |
441 | 99589bdc | bellard | return 1; |
442 | 99589bdc | bellard | } |
443 | 99589bdc | bellard | return 0; |
444 | 99589bdc | bellard | } |
445 | 99589bdc | bellard | |
446 | 1fc62412 | Stefano Stabellini | static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h) |
447 | 24236869 | bellard | { |
448 | 24236869 | bellard | int i;
|
449 | 1fc62412 | Stefano Stabellini | VncDisplay *vd = ds->opaque; |
450 | 1fc62412 | Stefano Stabellini | struct VncSurface *s = &vd->guest;
|
451 | 24236869 | bellard | |
452 | 24236869 | bellard | h += y; |
453 | 24236869 | bellard | |
454 | 0486e8a7 | balrog | /* round x down to ensure the loop only spans one 16-pixel block per,
|
455 | 0486e8a7 | balrog | iteration. otherwise, if (x % 16) != 0, the last iteration may span
|
456 | 0486e8a7 | balrog | two 16-pixel blocks but we only mark the first as dirty
|
457 | 0486e8a7 | balrog | */
|
458 | 0486e8a7 | balrog | w += (x % 16);
|
459 | 0486e8a7 | balrog | x -= (x % 16);
|
460 | 0486e8a7 | balrog | |
461 | 6baebed7 | aliguori | x = MIN(x, s->ds->width); |
462 | 6baebed7 | aliguori | y = MIN(y, s->ds->height); |
463 | 6baebed7 | aliguori | w = MIN(x + w, s->ds->width) - x; |
464 | 6baebed7 | aliguori | h = MIN(h, s->ds->height); |
465 | 788abf8e | balrog | |
466 | 24236869 | bellard | for (; y < h; y++)
|
467 | 28a76be8 | aliguori | for (i = 0; i < w; i += 16) |
468 | 6baebed7 | aliguori | vnc_set_bit(s->dirty[y], (x + i) / 16);
|
469 | 24236869 | bellard | } |
470 | 24236869 | bellard | |
471 | 70a4568f | Corentin Chary | void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
472 | 70a4568f | Corentin Chary | int32_t encoding) |
473 | 24236869 | bellard | { |
474 | 24236869 | bellard | vnc_write_u16(vs, x); |
475 | 24236869 | bellard | vnc_write_u16(vs, y); |
476 | 24236869 | bellard | vnc_write_u16(vs, w); |
477 | 24236869 | bellard | vnc_write_u16(vs, h); |
478 | 24236869 | bellard | |
479 | 24236869 | bellard | vnc_write_s32(vs, encoding); |
480 | 24236869 | bellard | } |
481 | 24236869 | bellard | |
482 | 2f9606b3 | aliguori | void buffer_reserve(Buffer *buffer, size_t len)
|
483 | 89064286 | aliguori | { |
484 | 89064286 | aliguori | if ((buffer->capacity - buffer->offset) < len) {
|
485 | 28a76be8 | aliguori | buffer->capacity += (len + 1024);
|
486 | 28a76be8 | aliguori | buffer->buffer = qemu_realloc(buffer->buffer, buffer->capacity); |
487 | 28a76be8 | aliguori | if (buffer->buffer == NULL) { |
488 | 28a76be8 | aliguori | fprintf(stderr, "vnc: out of memory\n");
|
489 | 28a76be8 | aliguori | exit(1);
|
490 | 28a76be8 | aliguori | } |
491 | 89064286 | aliguori | } |
492 | 89064286 | aliguori | } |
493 | 89064286 | aliguori | |
494 | 2f9606b3 | aliguori | int buffer_empty(Buffer *buffer)
|
495 | 89064286 | aliguori | { |
496 | 89064286 | aliguori | return buffer->offset == 0; |
497 | 89064286 | aliguori | } |
498 | 89064286 | aliguori | |
499 | 2f9606b3 | aliguori | uint8_t *buffer_end(Buffer *buffer) |
500 | 89064286 | aliguori | { |
501 | 89064286 | aliguori | return buffer->buffer + buffer->offset;
|
502 | 89064286 | aliguori | } |
503 | 89064286 | aliguori | |
504 | 2f9606b3 | aliguori | void buffer_reset(Buffer *buffer)
|
505 | 89064286 | aliguori | { |
506 | 28a76be8 | aliguori | buffer->offset = 0;
|
507 | 89064286 | aliguori | } |
508 | 89064286 | aliguori | |
509 | 2f9606b3 | aliguori | void buffer_append(Buffer *buffer, const void *data, size_t len) |
510 | 89064286 | aliguori | { |
511 | 89064286 | aliguori | memcpy(buffer->buffer + buffer->offset, data, len); |
512 | 89064286 | aliguori | buffer->offset += len; |
513 | 89064286 | aliguori | } |
514 | 89064286 | aliguori | |
515 | 1fc62412 | Stefano Stabellini | static void vnc_dpy_resize(DisplayState *ds) |
516 | 24236869 | bellard | { |
517 | 73e14b62 | ths | int size_changed;
|
518 | 1fc62412 | Stefano Stabellini | VncDisplay *vd = ds->opaque; |
519 | 41b4bef6 | Amit Shah | VncState *vs; |
520 | 1fc62412 | Stefano Stabellini | |
521 | 1fc62412 | Stefano Stabellini | /* server surface */
|
522 | 1fc62412 | Stefano Stabellini | if (!vd->server)
|
523 | 1fc62412 | Stefano Stabellini | vd->server = qemu_mallocz(sizeof(*vd->server));
|
524 | 1fc62412 | Stefano Stabellini | if (vd->server->data)
|
525 | 1fc62412 | Stefano Stabellini | qemu_free(vd->server->data); |
526 | 1fc62412 | Stefano Stabellini | *(vd->server) = *(ds->surface); |
527 | 1fc62412 | Stefano Stabellini | vd->server->data = qemu_mallocz(vd->server->linesize * |
528 | 1fc62412 | Stefano Stabellini | vd->server->height); |
529 | 24236869 | bellard | |
530 | 6baebed7 | aliguori | /* guest surface */
|
531 | 1fc62412 | Stefano Stabellini | if (!vd->guest.ds)
|
532 | 1fc62412 | Stefano Stabellini | vd->guest.ds = qemu_mallocz(sizeof(*vd->guest.ds));
|
533 | 1fc62412 | Stefano Stabellini | if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel)
|
534 | a528b80c | balrog | console_color_init(ds); |
535 | 1fc62412 | Stefano Stabellini | size_changed = ds_get_width(ds) != vd->guest.ds->width || |
536 | 1fc62412 | Stefano Stabellini | ds_get_height(ds) != vd->guest.ds->height; |
537 | 1fc62412 | Stefano Stabellini | *(vd->guest.ds) = *(ds->surface); |
538 | 1fc62412 | Stefano Stabellini | memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty)); |
539 | 24236869 | bellard | |
540 | 41b4bef6 | Amit Shah | QTAILQ_FOREACH(vs, &vd->clients, next) { |
541 | 1fc62412 | Stefano Stabellini | vnc_colordepth(vs); |
542 | 1fc62412 | Stefano Stabellini | if (size_changed) {
|
543 | 1fc62412 | Stefano Stabellini | if (vs->csock != -1 && vnc_has_feature(vs, VNC_FEATURE_RESIZE)) { |
544 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
545 | 1fc62412 | Stefano Stabellini | vnc_write_u8(vs, 0);
|
546 | 1fc62412 | Stefano Stabellini | vnc_write_u16(vs, 1); /* number of rects */ |
547 | 1fc62412 | Stefano Stabellini | vnc_framebuffer_update(vs, 0, 0, ds_get_width(ds), ds_get_height(ds), |
548 | 1fc62412 | Stefano Stabellini | VNC_ENCODING_DESKTOPRESIZE); |
549 | 1fc62412 | Stefano Stabellini | vnc_flush(vs); |
550 | 1fc62412 | Stefano Stabellini | } |
551 | 1fc62412 | Stefano Stabellini | } |
552 | 1fc62412 | Stefano Stabellini | memset(vs->dirty, 0xFF, sizeof(vs->dirty)); |
553 | 753b4053 | aliguori | } |
554 | 753b4053 | aliguori | } |
555 | 753b4053 | aliguori | |
556 | 3512779a | bellard | /* fastest code */
|
557 | 3512779a | bellard | static void vnc_write_pixels_copy(VncState *vs, void *pixels, int size) |
558 | 3512779a | bellard | { |
559 | 3512779a | bellard | vnc_write(vs, pixels, size); |
560 | 3512779a | bellard | } |
561 | 3512779a | bellard | |
562 | 3512779a | bellard | /* slowest but generic code. */
|
563 | 70a4568f | Corentin Chary | void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v)
|
564 | 3512779a | bellard | { |
565 | 7eac3a87 | aliguori | uint8_t r, g, b; |
566 | 1fc62412 | Stefano Stabellini | VncDisplay *vd = vs->vd; |
567 | 1fc62412 | Stefano Stabellini | |
568 | 1fc62412 | Stefano Stabellini | r = ((((v & vd->server->pf.rmask) >> vd->server->pf.rshift) << vs->clientds.pf.rbits) >> |
569 | 1fc62412 | Stefano Stabellini | vd->server->pf.rbits); |
570 | 1fc62412 | Stefano Stabellini | g = ((((v & vd->server->pf.gmask) >> vd->server->pf.gshift) << vs->clientds.pf.gbits) >> |
571 | 1fc62412 | Stefano Stabellini | vd->server->pf.gbits); |
572 | 1fc62412 | Stefano Stabellini | b = ((((v & vd->server->pf.bmask) >> vd->server->pf.bshift) << vs->clientds.pf.bbits) >> |
573 | 1fc62412 | Stefano Stabellini | vd->server->pf.bbits); |
574 | 6cec5487 | aliguori | v = (r << vs->clientds.pf.rshift) | |
575 | 6cec5487 | aliguori | (g << vs->clientds.pf.gshift) | |
576 | 6cec5487 | aliguori | (b << vs->clientds.pf.bshift); |
577 | 6cec5487 | aliguori | switch(vs->clientds.pf.bytes_per_pixel) {
|
578 | 3512779a | bellard | case 1: |
579 | 3512779a | bellard | buf[0] = v;
|
580 | 3512779a | bellard | break;
|
581 | 3512779a | bellard | case 2: |
582 | 6cec5487 | aliguori | if (vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) {
|
583 | 3512779a | bellard | buf[0] = v >> 8; |
584 | 3512779a | bellard | buf[1] = v;
|
585 | 3512779a | bellard | } else {
|
586 | 3512779a | bellard | buf[1] = v >> 8; |
587 | 3512779a | bellard | buf[0] = v;
|
588 | 3512779a | bellard | } |
589 | 3512779a | bellard | break;
|
590 | 3512779a | bellard | default:
|
591 | 3512779a | bellard | case 4: |
592 | 6cec5487 | aliguori | if (vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) {
|
593 | 3512779a | bellard | buf[0] = v >> 24; |
594 | 3512779a | bellard | buf[1] = v >> 16; |
595 | 3512779a | bellard | buf[2] = v >> 8; |
596 | 3512779a | bellard | buf[3] = v;
|
597 | 3512779a | bellard | } else {
|
598 | 3512779a | bellard | buf[3] = v >> 24; |
599 | 3512779a | bellard | buf[2] = v >> 16; |
600 | 3512779a | bellard | buf[1] = v >> 8; |
601 | 3512779a | bellard | buf[0] = v;
|
602 | 3512779a | bellard | } |
603 | 3512779a | bellard | break;
|
604 | 3512779a | bellard | } |
605 | 3512779a | bellard | } |
606 | 3512779a | bellard | |
607 | 3512779a | bellard | static void vnc_write_pixels_generic(VncState *vs, void *pixels1, int size) |
608 | 3512779a | bellard | { |
609 | 3512779a | bellard | uint8_t buf[4];
|
610 | 1fc62412 | Stefano Stabellini | VncDisplay *vd = vs->vd; |
611 | 3512779a | bellard | |
612 | 1fc62412 | Stefano Stabellini | if (vd->server->pf.bytes_per_pixel == 4) { |
613 | 7eac3a87 | aliguori | uint32_t *pixels = pixels1; |
614 | 7eac3a87 | aliguori | int n, i;
|
615 | 7eac3a87 | aliguori | n = size >> 2;
|
616 | 7eac3a87 | aliguori | for(i = 0; i < n; i++) { |
617 | 7eac3a87 | aliguori | vnc_convert_pixel(vs, buf, pixels[i]); |
618 | 6cec5487 | aliguori | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
619 | 7eac3a87 | aliguori | } |
620 | 1fc62412 | Stefano Stabellini | } else if (vd->server->pf.bytes_per_pixel == 2) { |
621 | 7eac3a87 | aliguori | uint16_t *pixels = pixels1; |
622 | 7eac3a87 | aliguori | int n, i;
|
623 | 7eac3a87 | aliguori | n = size >> 1;
|
624 | 7eac3a87 | aliguori | for(i = 0; i < n; i++) { |
625 | 7eac3a87 | aliguori | vnc_convert_pixel(vs, buf, pixels[i]); |
626 | 6cec5487 | aliguori | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
627 | 7eac3a87 | aliguori | } |
628 | 1fc62412 | Stefano Stabellini | } else if (vd->server->pf.bytes_per_pixel == 1) { |
629 | 7eac3a87 | aliguori | uint8_t *pixels = pixels1; |
630 | 7eac3a87 | aliguori | int n, i;
|
631 | 7eac3a87 | aliguori | n = size; |
632 | 7eac3a87 | aliguori | for(i = 0; i < n; i++) { |
633 | 7eac3a87 | aliguori | vnc_convert_pixel(vs, buf, pixels[i]); |
634 | 6cec5487 | aliguori | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
635 | 7eac3a87 | aliguori | } |
636 | 7eac3a87 | aliguori | } else {
|
637 | 7eac3a87 | aliguori | fprintf(stderr, "vnc_write_pixels_generic: VncState color depth not supported\n");
|
638 | 3512779a | bellard | } |
639 | 3512779a | bellard | } |
640 | 3512779a | bellard | |
641 | 70a4568f | Corentin Chary | void vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
642 | 24236869 | bellard | { |
643 | 24236869 | bellard | int i;
|
644 | 60fe76f3 | ths | uint8_t *row; |
645 | 1fc62412 | Stefano Stabellini | VncDisplay *vd = vs->vd; |
646 | 24236869 | bellard | |
647 | 1fc62412 | Stefano Stabellini | row = vd->server->data + y * ds_get_linesize(vs->ds) + x * ds_get_bytes_per_pixel(vs->ds); |
648 | 24236869 | bellard | for (i = 0; i < h; i++) { |
649 | 28a76be8 | aliguori | vs->write_pixels(vs, row, w * ds_get_bytes_per_pixel(vs->ds)); |
650 | 28a76be8 | aliguori | row += ds_get_linesize(vs->ds); |
651 | 24236869 | bellard | } |
652 | 24236869 | bellard | } |
653 | 24236869 | bellard | |
654 | 24236869 | bellard | static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
655 | 24236869 | bellard | { |
656 | fb437313 | aliguori | switch(vs->vnc_encoding) {
|
657 | 28a76be8 | aliguori | case VNC_ENCODING_ZLIB:
|
658 | 70a4568f | Corentin Chary | vnc_hextile_send_framebuffer_update(vs, x, y, w, h); |
659 | 28a76be8 | aliguori | break;
|
660 | 28a76be8 | aliguori | case VNC_ENCODING_HEXTILE:
|
661 | 28a76be8 | aliguori | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE); |
662 | 70a4568f | Corentin Chary | vnc_hextile_send_framebuffer_update(vs, x, y, w, h); |
663 | 28a76be8 | aliguori | break;
|
664 | 28a76be8 | aliguori | default:
|
665 | 28a76be8 | aliguori | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW); |
666 | 70a4568f | Corentin Chary | vnc_raw_send_framebuffer_update(vs, x, y, w, h); |
667 | 28a76be8 | aliguori | break;
|
668 | fb437313 | aliguori | } |
669 | 24236869 | bellard | } |
670 | 24236869 | bellard | |
671 | 753b4053 | aliguori | static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
672 | 24236869 | bellard | { |
673 | 3e28c9ad | Gerd Hoffmann | /* send bitblit op to the vnc client */
|
674 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
675 | 24236869 | bellard | vnc_write_u8(vs, 0);
|
676 | 24236869 | bellard | vnc_write_u16(vs, 1); /* number of rects */ |
677 | 29fa4ed9 | aliguori | vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT); |
678 | 24236869 | bellard | vnc_write_u16(vs, src_x); |
679 | 24236869 | bellard | vnc_write_u16(vs, src_y); |
680 | 24236869 | bellard | vnc_flush(vs); |
681 | 24236869 | bellard | } |
682 | 24236869 | bellard | |
683 | 753b4053 | aliguori | static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
684 | 753b4053 | aliguori | { |
685 | 753b4053 | aliguori | VncDisplay *vd = ds->opaque; |
686 | 198a0039 | Gerd Hoffmann | VncState *vs, *vn; |
687 | 1fc62412 | Stefano Stabellini | uint8_t *src_row; |
688 | 1fc62412 | Stefano Stabellini | uint8_t *dst_row; |
689 | 1fc62412 | Stefano Stabellini | int i,x,y,pitch,depth,inc,w_lim,s;
|
690 | 1fc62412 | Stefano Stabellini | int cmp_bytes;
|
691 | 198a0039 | Gerd Hoffmann | |
692 | 1fc62412 | Stefano Stabellini | vnc_refresh_server_surface(vd); |
693 | 41b4bef6 | Amit Shah | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
694 | 198a0039 | Gerd Hoffmann | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
|
695 | 198a0039 | Gerd Hoffmann | vs->force_update = 1;
|
696 | 1fc62412 | Stefano Stabellini | vnc_update_client(vs, 1);
|
697 | 198a0039 | Gerd Hoffmann | /* vs might be free()ed here */
|
698 | 198a0039 | Gerd Hoffmann | } |
699 | 198a0039 | Gerd Hoffmann | } |
700 | 198a0039 | Gerd Hoffmann | |
701 | 1fc62412 | Stefano Stabellini | /* do bitblit op on the local surface too */
|
702 | 1fc62412 | Stefano Stabellini | pitch = ds_get_linesize(vd->ds); |
703 | 1fc62412 | Stefano Stabellini | depth = ds_get_bytes_per_pixel(vd->ds); |
704 | 1fc62412 | Stefano Stabellini | src_row = vd->server->data + pitch * src_y + depth * src_x; |
705 | 1fc62412 | Stefano Stabellini | dst_row = vd->server->data + pitch * dst_y + depth * dst_x; |
706 | 1fc62412 | Stefano Stabellini | y = dst_y; |
707 | 1fc62412 | Stefano Stabellini | inc = 1;
|
708 | 1fc62412 | Stefano Stabellini | if (dst_y > src_y) {
|
709 | 1fc62412 | Stefano Stabellini | /* copy backwards */
|
710 | 1fc62412 | Stefano Stabellini | src_row += pitch * (h-1);
|
711 | 1fc62412 | Stefano Stabellini | dst_row += pitch * (h-1);
|
712 | 1fc62412 | Stefano Stabellini | pitch = -pitch; |
713 | 1fc62412 | Stefano Stabellini | y = dst_y + h - 1;
|
714 | 1fc62412 | Stefano Stabellini | inc = -1;
|
715 | 1fc62412 | Stefano Stabellini | } |
716 | 1fc62412 | Stefano Stabellini | w_lim = w - (16 - (dst_x % 16)); |
717 | 1fc62412 | Stefano Stabellini | if (w_lim < 0) |
718 | 1fc62412 | Stefano Stabellini | w_lim = w; |
719 | 1fc62412 | Stefano Stabellini | else
|
720 | 1fc62412 | Stefano Stabellini | w_lim = w - (w_lim % 16);
|
721 | 1fc62412 | Stefano Stabellini | for (i = 0; i < h; i++) { |
722 | 1fc62412 | Stefano Stabellini | for (x = 0; x <= w_lim; |
723 | 1fc62412 | Stefano Stabellini | x += s, src_row += cmp_bytes, dst_row += cmp_bytes) { |
724 | 1fc62412 | Stefano Stabellini | if (x == w_lim) {
|
725 | 1fc62412 | Stefano Stabellini | if ((s = w - w_lim) == 0) |
726 | 1fc62412 | Stefano Stabellini | break;
|
727 | 1fc62412 | Stefano Stabellini | } else if (!x) { |
728 | 1fc62412 | Stefano Stabellini | s = (16 - (dst_x % 16)); |
729 | 1fc62412 | Stefano Stabellini | s = MIN(s, w_lim); |
730 | 1fc62412 | Stefano Stabellini | } else {
|
731 | 1fc62412 | Stefano Stabellini | s = 16;
|
732 | 1fc62412 | Stefano Stabellini | } |
733 | 1fc62412 | Stefano Stabellini | cmp_bytes = s * depth; |
734 | 1fc62412 | Stefano Stabellini | if (memcmp(src_row, dst_row, cmp_bytes) == 0) |
735 | 1fc62412 | Stefano Stabellini | continue;
|
736 | 1fc62412 | Stefano Stabellini | memmove(dst_row, src_row, cmp_bytes); |
737 | 41b4bef6 | Amit Shah | QTAILQ_FOREACH(vs, &vd->clients, next) { |
738 | 41b4bef6 | Amit Shah | if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
|
739 | 1fc62412 | Stefano Stabellini | vnc_set_bit(vs->dirty[y], ((x + dst_x) / 16));
|
740 | 41b4bef6 | Amit Shah | } |
741 | 1fc62412 | Stefano Stabellini | } |
742 | 1fc62412 | Stefano Stabellini | } |
743 | 1fc62412 | Stefano Stabellini | src_row += pitch - w * depth; |
744 | 1fc62412 | Stefano Stabellini | dst_row += pitch - w * depth; |
745 | 1fc62412 | Stefano Stabellini | y += inc; |
746 | 1fc62412 | Stefano Stabellini | } |
747 | 1fc62412 | Stefano Stabellini | |
748 | 41b4bef6 | Amit Shah | QTAILQ_FOREACH(vs, &vd->clients, next) { |
749 | 41b4bef6 | Amit Shah | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
|
750 | 753b4053 | aliguori | vnc_copy(vs, src_x, src_y, dst_x, dst_y, w, h); |
751 | 41b4bef6 | Amit Shah | } |
752 | 753b4053 | aliguori | } |
753 | 753b4053 | aliguori | } |
754 | 753b4053 | aliguori | |
755 | 1fc62412 | Stefano Stabellini | static int find_and_clear_dirty_height(struct VncState *vs, |
756 | 6baebed7 | aliguori | int y, int last_x, int x) |
757 | 24236869 | bellard | { |
758 | 24236869 | bellard | int h;
|
759 | 1fc62412 | Stefano Stabellini | VncDisplay *vd = vs->vd; |
760 | 24236869 | bellard | |
761 | 1fc62412 | Stefano Stabellini | for (h = 1; h < (vd->server->height - y); h++) { |
762 | 28a76be8 | aliguori | int tmp_x;
|
763 | 1fc62412 | Stefano Stabellini | if (!vnc_get_bit(vs->dirty[y + h], last_x))
|
764 | 28a76be8 | aliguori | break;
|
765 | 28a76be8 | aliguori | for (tmp_x = last_x; tmp_x < x; tmp_x++)
|
766 | 1fc62412 | Stefano Stabellini | vnc_clear_bit(vs->dirty[y + h], tmp_x); |
767 | 24236869 | bellard | } |
768 | 24236869 | bellard | |
769 | 24236869 | bellard | return h;
|
770 | 24236869 | bellard | } |
771 | 24236869 | bellard | |
772 | 2430ffe4 | Stefano Stabellini | static int vnc_update_client(VncState *vs, int has_dirty) |
773 | 24236869 | bellard | { |
774 | 24236869 | bellard | if (vs->need_update && vs->csock != -1) { |
775 | 1fc62412 | Stefano Stabellini | VncDisplay *vd = vs->vd; |
776 | 28a76be8 | aliguori | int y;
|
777 | 28a76be8 | aliguori | int n_rectangles;
|
778 | 28a76be8 | aliguori | int saved_offset;
|
779 | 24236869 | bellard | |
780 | 703bc68f | Stefano Stabellini | if (vs->output.offset && !vs->audio_cap && !vs->force_update)
|
781 | c522d0e2 | aliguori | /* kernel send buffers are full -> drop frames to throttle */
|
782 | 2430ffe4 | Stefano Stabellini | return 0; |
783 | a0ecfb73 | balrog | |
784 | 703bc68f | Stefano Stabellini | if (!has_dirty && !vs->audio_cap && !vs->force_update)
|
785 | 2430ffe4 | Stefano Stabellini | return 0; |
786 | 28a76be8 | aliguori | |
787 | 6baebed7 | aliguori | /*
|
788 | 6baebed7 | aliguori | * Send screen updates to the vnc client using the server
|
789 | 6baebed7 | aliguori | * surface and server dirty map. guest surface updates
|
790 | 6baebed7 | aliguori | * happening in parallel don't disturb us, the next pass will
|
791 | 6baebed7 | aliguori | * send them to the client.
|
792 | 6baebed7 | aliguori | */
|
793 | 28a76be8 | aliguori | n_rectangles = 0;
|
794 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
795 | 28a76be8 | aliguori | vnc_write_u8(vs, 0);
|
796 | 28a76be8 | aliguori | saved_offset = vs->output.offset; |
797 | 28a76be8 | aliguori | vnc_write_u16(vs, 0);
|
798 | 28a76be8 | aliguori | |
799 | 1fc62412 | Stefano Stabellini | for (y = 0; y < vd->server->height; y++) { |
800 | 28a76be8 | aliguori | int x;
|
801 | 28a76be8 | aliguori | int last_x = -1; |
802 | 1fc62412 | Stefano Stabellini | for (x = 0; x < vd->server->width / 16; x++) { |
803 | 1fc62412 | Stefano Stabellini | if (vnc_get_bit(vs->dirty[y], x)) {
|
804 | 28a76be8 | aliguori | if (last_x == -1) { |
805 | 28a76be8 | aliguori | last_x = x; |
806 | 28a76be8 | aliguori | } |
807 | 1fc62412 | Stefano Stabellini | vnc_clear_bit(vs->dirty[y], x); |
808 | 28a76be8 | aliguori | } else {
|
809 | 28a76be8 | aliguori | if (last_x != -1) { |
810 | 1fc62412 | Stefano Stabellini | int h = find_and_clear_dirty_height(vs, y, last_x, x);
|
811 | 28a76be8 | aliguori | send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h); |
812 | 28a76be8 | aliguori | n_rectangles++; |
813 | 28a76be8 | aliguori | } |
814 | 28a76be8 | aliguori | last_x = -1;
|
815 | 28a76be8 | aliguori | } |
816 | 28a76be8 | aliguori | } |
817 | 28a76be8 | aliguori | if (last_x != -1) { |
818 | 1fc62412 | Stefano Stabellini | int h = find_and_clear_dirty_height(vs, y, last_x, x);
|
819 | 28a76be8 | aliguori | send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h); |
820 | 28a76be8 | aliguori | n_rectangles++; |
821 | 28a76be8 | aliguori | } |
822 | 28a76be8 | aliguori | } |
823 | 28a76be8 | aliguori | vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF; |
824 | 28a76be8 | aliguori | vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF; |
825 | 28a76be8 | aliguori | vnc_flush(vs); |
826 | c522d0e2 | aliguori | vs->force_update = 0;
|
827 | 2430ffe4 | Stefano Stabellini | return n_rectangles;
|
828 | 24236869 | bellard | } |
829 | 24236869 | bellard | |
830 | 703bc68f | Stefano Stabellini | if (vs->csock == -1) |
831 | 198a0039 | Gerd Hoffmann | vnc_disconnect_finish(vs); |
832 | 2430ffe4 | Stefano Stabellini | |
833 | 2430ffe4 | Stefano Stabellini | return 0; |
834 | 24236869 | bellard | } |
835 | 24236869 | bellard | |
836 | 429a8ed3 | malc | /* audio */
|
837 | 429a8ed3 | malc | static void audio_capture_notify(void *opaque, audcnotification_e cmd) |
838 | 429a8ed3 | malc | { |
839 | 429a8ed3 | malc | VncState *vs = opaque; |
840 | 429a8ed3 | malc | |
841 | 429a8ed3 | malc | switch (cmd) {
|
842 | 429a8ed3 | malc | case AUD_CNOTIFY_DISABLE:
|
843 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
844 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); |
845 | 46a183da | Daniel P. Berrange | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_END); |
846 | 429a8ed3 | malc | vnc_flush(vs); |
847 | 429a8ed3 | malc | break;
|
848 | 429a8ed3 | malc | |
849 | 429a8ed3 | malc | case AUD_CNOTIFY_ENABLE:
|
850 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
851 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); |
852 | 46a183da | Daniel P. Berrange | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_BEGIN); |
853 | 429a8ed3 | malc | vnc_flush(vs); |
854 | 429a8ed3 | malc | break;
|
855 | 429a8ed3 | malc | } |
856 | 429a8ed3 | malc | } |
857 | 429a8ed3 | malc | |
858 | 429a8ed3 | malc | static void audio_capture_destroy(void *opaque) |
859 | 429a8ed3 | malc | { |
860 | 429a8ed3 | malc | } |
861 | 429a8ed3 | malc | |
862 | 429a8ed3 | malc | static void audio_capture(void *opaque, void *buf, int size) |
863 | 429a8ed3 | malc | { |
864 | 429a8ed3 | malc | VncState *vs = opaque; |
865 | 429a8ed3 | malc | |
866 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
867 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); |
868 | 46a183da | Daniel P. Berrange | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_DATA); |
869 | 429a8ed3 | malc | vnc_write_u32(vs, size); |
870 | 429a8ed3 | malc | vnc_write(vs, buf, size); |
871 | 429a8ed3 | malc | vnc_flush(vs); |
872 | 429a8ed3 | malc | } |
873 | 429a8ed3 | malc | |
874 | 429a8ed3 | malc | static void audio_add(VncState *vs) |
875 | 429a8ed3 | malc | { |
876 | 429a8ed3 | malc | struct audio_capture_ops ops;
|
877 | 429a8ed3 | malc | |
878 | 429a8ed3 | malc | if (vs->audio_cap) {
|
879 | 8631b608 | Markus Armbruster | monitor_printf(default_mon, "audio already running\n");
|
880 | 429a8ed3 | malc | return;
|
881 | 429a8ed3 | malc | } |
882 | 429a8ed3 | malc | |
883 | 429a8ed3 | malc | ops.notify = audio_capture_notify; |
884 | 429a8ed3 | malc | ops.destroy = audio_capture_destroy; |
885 | 429a8ed3 | malc | ops.capture = audio_capture; |
886 | 429a8ed3 | malc | |
887 | 1a7dafce | malc | vs->audio_cap = AUD_add_capture(&vs->as, &ops, vs); |
888 | 429a8ed3 | malc | if (!vs->audio_cap) {
|
889 | 8631b608 | Markus Armbruster | monitor_printf(default_mon, "Failed to add audio capture\n");
|
890 | 429a8ed3 | malc | } |
891 | 429a8ed3 | malc | } |
892 | 429a8ed3 | malc | |
893 | 429a8ed3 | malc | static void audio_del(VncState *vs) |
894 | 429a8ed3 | malc | { |
895 | 429a8ed3 | malc | if (vs->audio_cap) {
|
896 | 429a8ed3 | malc | AUD_del_capture(vs->audio_cap, vs); |
897 | 429a8ed3 | malc | vs->audio_cap = NULL;
|
898 | 429a8ed3 | malc | } |
899 | 429a8ed3 | malc | } |
900 | 429a8ed3 | malc | |
901 | 198a0039 | Gerd Hoffmann | static void vnc_disconnect_start(VncState *vs) |
902 | 198a0039 | Gerd Hoffmann | { |
903 | 198a0039 | Gerd Hoffmann | if (vs->csock == -1) |
904 | 198a0039 | Gerd Hoffmann | return;
|
905 | 198a0039 | Gerd Hoffmann | qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); |
906 | 198a0039 | Gerd Hoffmann | closesocket(vs->csock); |
907 | 198a0039 | Gerd Hoffmann | vs->csock = -1;
|
908 | 198a0039 | Gerd Hoffmann | } |
909 | 198a0039 | Gerd Hoffmann | |
910 | 198a0039 | Gerd Hoffmann | static void vnc_disconnect_finish(VncState *vs) |
911 | 198a0039 | Gerd Hoffmann | { |
912 | 0d72f3d3 | Luiz Capitulino | vnc_qmp_event(vs, QEVENT_VNC_DISCONNECTED); |
913 | 0d72f3d3 | Luiz Capitulino | |
914 | fa0cfdf2 | Stefan Weil | if (vs->input.buffer) {
|
915 | fa0cfdf2 | Stefan Weil | qemu_free(vs->input.buffer); |
916 | fa0cfdf2 | Stefan Weil | vs->input.buffer = NULL;
|
917 | fa0cfdf2 | Stefan Weil | } |
918 | fa0cfdf2 | Stefan Weil | if (vs->output.buffer) {
|
919 | fa0cfdf2 | Stefan Weil | qemu_free(vs->output.buffer); |
920 | fa0cfdf2 | Stefan Weil | vs->output.buffer = NULL;
|
921 | fa0cfdf2 | Stefan Weil | } |
922 | 4a80dba3 | Luiz Capitulino | |
923 | 4a80dba3 | Luiz Capitulino | qobject_decref(vs->info); |
924 | 4a80dba3 | Luiz Capitulino | |
925 | 198a0039 | Gerd Hoffmann | #ifdef CONFIG_VNC_TLS
|
926 | 198a0039 | Gerd Hoffmann | vnc_tls_client_cleanup(vs); |
927 | 198a0039 | Gerd Hoffmann | #endif /* CONFIG_VNC_TLS */ |
928 | 198a0039 | Gerd Hoffmann | #ifdef CONFIG_VNC_SASL
|
929 | 198a0039 | Gerd Hoffmann | vnc_sasl_client_cleanup(vs); |
930 | 198a0039 | Gerd Hoffmann | #endif /* CONFIG_VNC_SASL */ |
931 | 198a0039 | Gerd Hoffmann | audio_del(vs); |
932 | 198a0039 | Gerd Hoffmann | |
933 | 41b4bef6 | Amit Shah | QTAILQ_REMOVE(&vs->vd->clients, vs, next); |
934 | 41b4bef6 | Amit Shah | |
935 | 41b4bef6 | Amit Shah | if (QTAILQ_EMPTY(&vs->vd->clients)) {
|
936 | 198a0039 | Gerd Hoffmann | dcl->idle = 1;
|
937 | 41b4bef6 | Amit Shah | } |
938 | 198a0039 | Gerd Hoffmann | |
939 | 37c34d9d | Anthony Liguori | qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier); |
940 | 703bc68f | Stefano Stabellini | vnc_remove_timer(vs->vd); |
941 | 3a0558b5 | Gerd Hoffmann | if (vs->vd->lock_key_sync)
|
942 | 3a0558b5 | Gerd Hoffmann | qemu_remove_led_event_handler(vs->led); |
943 | 5d95ac5b | Glauber Costa | qemu_free(vs); |
944 | 198a0039 | Gerd Hoffmann | } |
945 | 2f9606b3 | aliguori | |
946 | 2f9606b3 | aliguori | int vnc_client_io_error(VncState *vs, int ret, int last_errno) |
947 | 24236869 | bellard | { |
948 | 24236869 | bellard | if (ret == 0 || ret == -1) { |
949 | ea01e5fd | balrog | if (ret == -1) { |
950 | ea01e5fd | balrog | switch (last_errno) {
|
951 | ea01e5fd | balrog | case EINTR:
|
952 | ea01e5fd | balrog | case EAGAIN:
|
953 | ea01e5fd | balrog | #ifdef _WIN32
|
954 | ea01e5fd | balrog | case WSAEWOULDBLOCK:
|
955 | ea01e5fd | balrog | #endif
|
956 | ea01e5fd | balrog | return 0; |
957 | ea01e5fd | balrog | default:
|
958 | ea01e5fd | balrog | break;
|
959 | ea01e5fd | balrog | } |
960 | ea01e5fd | balrog | } |
961 | 24236869 | bellard | |
962 | 198a0039 | Gerd Hoffmann | VNC_DEBUG("Closing down client sock: ret %d, errno %d\n",
|
963 | 198a0039 | Gerd Hoffmann | ret, ret < 0 ? last_errno : 0); |
964 | 198a0039 | Gerd Hoffmann | vnc_disconnect_start(vs); |
965 | 6baebed7 | aliguori | |
966 | 28a76be8 | aliguori | return 0; |
967 | 24236869 | bellard | } |
968 | 24236869 | bellard | return ret;
|
969 | 24236869 | bellard | } |
970 | 24236869 | bellard | |
971 | 5fb6c7a8 | aliguori | |
972 | 5fb6c7a8 | aliguori | void vnc_client_error(VncState *vs)
|
973 | 24236869 | bellard | { |
974 | 198a0039 | Gerd Hoffmann | VNC_DEBUG("Closing down client sock: protocol error\n");
|
975 | 198a0039 | Gerd Hoffmann | vnc_disconnect_start(vs); |
976 | 24236869 | bellard | } |
977 | 24236869 | bellard | |
978 | 2f9606b3 | aliguori | |
979 | 2f9606b3 | aliguori | /*
|
980 | 2f9606b3 | aliguori | * Called to write a chunk of data to the client socket. The data may
|
981 | 2f9606b3 | aliguori | * be the raw data, or may have already been encoded by SASL.
|
982 | 2f9606b3 | aliguori | * The data will be written either straight onto the socket, or
|
983 | 2f9606b3 | aliguori | * written via the GNUTLS wrappers, if TLS/SSL encryption is enabled
|
984 | 2f9606b3 | aliguori | *
|
985 | 2f9606b3 | aliguori | * NB, it is theoretically possible to have 2 layers of encryption,
|
986 | 2f9606b3 | aliguori | * both SASL, and this TLS layer. It is highly unlikely in practice
|
987 | 2f9606b3 | aliguori | * though, since SASL encryption will typically be a no-op if TLS
|
988 | 2f9606b3 | aliguori | * is active
|
989 | 2f9606b3 | aliguori | *
|
990 | 2f9606b3 | aliguori | * Returns the number of bytes written, which may be less than
|
991 | 2f9606b3 | aliguori | * the requested 'datalen' if the socket would block. Returns
|
992 | 2f9606b3 | aliguori | * -1 on error, and disconnects the client socket.
|
993 | 2f9606b3 | aliguori | */
|
994 | 2f9606b3 | aliguori | long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen) |
995 | 24236869 | bellard | { |
996 | ceb5caaf | bellard | long ret;
|
997 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
998 | 5fb6c7a8 | aliguori | if (vs->tls.session) {
|
999 | 28a76be8 | aliguori | ret = gnutls_write(vs->tls.session, data, datalen); |
1000 | 28a76be8 | aliguori | if (ret < 0) { |
1001 | 28a76be8 | aliguori | if (ret == GNUTLS_E_AGAIN)
|
1002 | 28a76be8 | aliguori | errno = EAGAIN; |
1003 | 28a76be8 | aliguori | else
|
1004 | 28a76be8 | aliguori | errno = EIO; |
1005 | 28a76be8 | aliguori | ret = -1;
|
1006 | 28a76be8 | aliguori | } |
1007 | 8d5d2d4c | ths | } else
|
1008 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
1009 | 70503264 | Stefan Weil | ret = send(vs->csock, (const void *)data, datalen, 0); |
1010 | 23decc87 | aliguori | VNC_DEBUG("Wrote wire %p %zd -> %ld\n", data, datalen, ret);
|
1011 | 2f9606b3 | aliguori | return vnc_client_io_error(vs, ret, socket_error());
|
1012 | 2f9606b3 | aliguori | } |
1013 | 2f9606b3 | aliguori | |
1014 | 2f9606b3 | aliguori | |
1015 | 2f9606b3 | aliguori | /*
|
1016 | 2f9606b3 | aliguori | * Called to write buffered data to the client socket, when not
|
1017 | 2f9606b3 | aliguori | * using any SASL SSF encryption layers. Will write as much data
|
1018 | 2f9606b3 | aliguori | * as possible without blocking. If all buffered data is written,
|
1019 | 2f9606b3 | aliguori | * will switch the FD poll() handler back to read monitoring.
|
1020 | 2f9606b3 | aliguori | *
|
1021 | 2f9606b3 | aliguori | * Returns the number of bytes written, which may be less than
|
1022 | 2f9606b3 | aliguori | * the buffered output data if the socket would block. Returns
|
1023 | 2f9606b3 | aliguori | * -1 on error, and disconnects the client socket.
|
1024 | 2f9606b3 | aliguori | */
|
1025 | 2f9606b3 | aliguori | static long vnc_client_write_plain(VncState *vs) |
1026 | 2f9606b3 | aliguori | { |
1027 | 2f9606b3 | aliguori | long ret;
|
1028 | 2f9606b3 | aliguori | |
1029 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_SASL
|
1030 | 23decc87 | aliguori | VNC_DEBUG("Write Plain: Pending output %p size %zd offset %zd. Wait SSF %d\n",
|
1031 | 2f9606b3 | aliguori | vs->output.buffer, vs->output.capacity, vs->output.offset, |
1032 | 2f9606b3 | aliguori | vs->sasl.waitWriteSSF); |
1033 | 2f9606b3 | aliguori | |
1034 | 2f9606b3 | aliguori | if (vs->sasl.conn &&
|
1035 | 2f9606b3 | aliguori | vs->sasl.runSSF && |
1036 | 2f9606b3 | aliguori | vs->sasl.waitWriteSSF) { |
1037 | 2f9606b3 | aliguori | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->sasl.waitWriteSSF); |
1038 | 2f9606b3 | aliguori | if (ret)
|
1039 | 2f9606b3 | aliguori | vs->sasl.waitWriteSSF -= ret; |
1040 | 2f9606b3 | aliguori | } else
|
1041 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_SASL */ |
1042 | 2f9606b3 | aliguori | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset); |
1043 | 24236869 | bellard | if (!ret)
|
1044 | 2f9606b3 | aliguori | return 0; |
1045 | 24236869 | bellard | |
1046 | 24236869 | bellard | memmove(vs->output.buffer, vs->output.buffer + ret, (vs->output.offset - ret)); |
1047 | 24236869 | bellard | vs->output.offset -= ret; |
1048 | 24236869 | bellard | |
1049 | 24236869 | bellard | if (vs->output.offset == 0) { |
1050 | 28a76be8 | aliguori | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
1051 | 24236869 | bellard | } |
1052 | 2f9606b3 | aliguori | |
1053 | 2f9606b3 | aliguori | return ret;
|
1054 | 2f9606b3 | aliguori | } |
1055 | 2f9606b3 | aliguori | |
1056 | 2f9606b3 | aliguori | |
1057 | 2f9606b3 | aliguori | /*
|
1058 | 2f9606b3 | aliguori | * First function called whenever there is data to be written to
|
1059 | 2f9606b3 | aliguori | * the client socket. Will delegate actual work according to whether
|
1060 | 2f9606b3 | aliguori | * SASL SSF layers are enabled (thus requiring encryption calls)
|
1061 | 2f9606b3 | aliguori | */
|
1062 | 2f9606b3 | aliguori | void vnc_client_write(void *opaque) |
1063 | 2f9606b3 | aliguori | { |
1064 | 2f9606b3 | aliguori | VncState *vs = opaque; |
1065 | 2f9606b3 | aliguori | |
1066 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_SASL
|
1067 | 2f9606b3 | aliguori | if (vs->sasl.conn &&
|
1068 | 2f9606b3 | aliguori | vs->sasl.runSSF && |
1069 | 9678d950 | Blue Swirl | !vs->sasl.waitWriteSSF) { |
1070 | 9678d950 | Blue Swirl | vnc_client_write_sasl(vs); |
1071 | 9678d950 | Blue Swirl | } else
|
1072 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_SASL */ |
1073 | 9678d950 | Blue Swirl | vnc_client_write_plain(vs); |
1074 | 24236869 | bellard | } |
1075 | 24236869 | bellard | |
1076 | 5fb6c7a8 | aliguori | void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting)
|
1077 | 24236869 | bellard | { |
1078 | 24236869 | bellard | vs->read_handler = func; |
1079 | 24236869 | bellard | vs->read_handler_expect = expecting; |
1080 | 24236869 | bellard | } |
1081 | 24236869 | bellard | |
1082 | 2f9606b3 | aliguori | |
1083 | 2f9606b3 | aliguori | /*
|
1084 | 2f9606b3 | aliguori | * Called to read a chunk of data from the client socket. The data may
|
1085 | 2f9606b3 | aliguori | * be the raw data, or may need to be further decoded by SASL.
|
1086 | 2f9606b3 | aliguori | * The data will be read either straight from to the socket, or
|
1087 | 2f9606b3 | aliguori | * read via the GNUTLS wrappers, if TLS/SSL encryption is enabled
|
1088 | 2f9606b3 | aliguori | *
|
1089 | 2f9606b3 | aliguori | * NB, it is theoretically possible to have 2 layers of encryption,
|
1090 | 2f9606b3 | aliguori | * both SASL, and this TLS layer. It is highly unlikely in practice
|
1091 | 2f9606b3 | aliguori | * though, since SASL encryption will typically be a no-op if TLS
|
1092 | 2f9606b3 | aliguori | * is active
|
1093 | 2f9606b3 | aliguori | *
|
1094 | 2f9606b3 | aliguori | * Returns the number of bytes read, which may be less than
|
1095 | 2f9606b3 | aliguori | * the requested 'datalen' if the socket would block. Returns
|
1096 | 2f9606b3 | aliguori | * -1 on error, and disconnects the client socket.
|
1097 | 2f9606b3 | aliguori | */
|
1098 | 2f9606b3 | aliguori | long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen)
|
1099 | 24236869 | bellard | { |
1100 | ceb5caaf | bellard | long ret;
|
1101 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
1102 | 5fb6c7a8 | aliguori | if (vs->tls.session) {
|
1103 | 28a76be8 | aliguori | ret = gnutls_read(vs->tls.session, data, datalen); |
1104 | 28a76be8 | aliguori | if (ret < 0) { |
1105 | 28a76be8 | aliguori | if (ret == GNUTLS_E_AGAIN)
|
1106 | 28a76be8 | aliguori | errno = EAGAIN; |
1107 | 28a76be8 | aliguori | else
|
1108 | 28a76be8 | aliguori | errno = EIO; |
1109 | 28a76be8 | aliguori | ret = -1;
|
1110 | 28a76be8 | aliguori | } |
1111 | 8d5d2d4c | ths | } else
|
1112 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
1113 | c5b76b38 | Blue Swirl | ret = recv(vs->csock, (void *)data, datalen, 0); |
1114 | 23decc87 | aliguori | VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret);
|
1115 | 2f9606b3 | aliguori | return vnc_client_io_error(vs, ret, socket_error());
|
1116 | 2f9606b3 | aliguori | } |
1117 | 24236869 | bellard | |
1118 | 2f9606b3 | aliguori | |
1119 | 2f9606b3 | aliguori | /*
|
1120 | 2f9606b3 | aliguori | * Called to read data from the client socket to the input buffer,
|
1121 | 2f9606b3 | aliguori | * when not using any SASL SSF encryption layers. Will read as much
|
1122 | 2f9606b3 | aliguori | * data as possible without blocking.
|
1123 | 2f9606b3 | aliguori | *
|
1124 | 2f9606b3 | aliguori | * Returns the number of bytes read. Returns -1 on error, and
|
1125 | 2f9606b3 | aliguori | * disconnects the client socket.
|
1126 | 2f9606b3 | aliguori | */
|
1127 | 2f9606b3 | aliguori | static long vnc_client_read_plain(VncState *vs) |
1128 | 2f9606b3 | aliguori | { |
1129 | 2f9606b3 | aliguori | int ret;
|
1130 | 23decc87 | aliguori | VNC_DEBUG("Read plain %p size %zd offset %zd\n",
|
1131 | 2f9606b3 | aliguori | vs->input.buffer, vs->input.capacity, vs->input.offset); |
1132 | 2f9606b3 | aliguori | buffer_reserve(&vs->input, 4096);
|
1133 | 2f9606b3 | aliguori | ret = vnc_client_read_buf(vs, buffer_end(&vs->input), 4096);
|
1134 | 2f9606b3 | aliguori | if (!ret)
|
1135 | 2f9606b3 | aliguori | return 0; |
1136 | 24236869 | bellard | vs->input.offset += ret; |
1137 | 2f9606b3 | aliguori | return ret;
|
1138 | 2f9606b3 | aliguori | } |
1139 | 2f9606b3 | aliguori | |
1140 | 2f9606b3 | aliguori | |
1141 | 2f9606b3 | aliguori | /*
|
1142 | 2f9606b3 | aliguori | * First function called whenever there is more data to be read from
|
1143 | 2f9606b3 | aliguori | * the client socket. Will delegate actual work according to whether
|
1144 | 2f9606b3 | aliguori | * SASL SSF layers are enabled (thus requiring decryption calls)
|
1145 | 2f9606b3 | aliguori | */
|
1146 | 2f9606b3 | aliguori | void vnc_client_read(void *opaque) |
1147 | 2f9606b3 | aliguori | { |
1148 | 2f9606b3 | aliguori | VncState *vs = opaque; |
1149 | 2f9606b3 | aliguori | long ret;
|
1150 | 2f9606b3 | aliguori | |
1151 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_SASL
|
1152 | 2f9606b3 | aliguori | if (vs->sasl.conn && vs->sasl.runSSF)
|
1153 | 2f9606b3 | aliguori | ret = vnc_client_read_sasl(vs); |
1154 | 2f9606b3 | aliguori | else
|
1155 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_SASL */ |
1156 | 2f9606b3 | aliguori | ret = vnc_client_read_plain(vs); |
1157 | 198a0039 | Gerd Hoffmann | if (!ret) {
|
1158 | 198a0039 | Gerd Hoffmann | if (vs->csock == -1) |
1159 | 198a0039 | Gerd Hoffmann | vnc_disconnect_finish(vs); |
1160 | 28a76be8 | aliguori | return;
|
1161 | 198a0039 | Gerd Hoffmann | } |
1162 | 24236869 | bellard | |
1163 | 24236869 | bellard | while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
|
1164 | 28a76be8 | aliguori | size_t len = vs->read_handler_expect; |
1165 | 28a76be8 | aliguori | int ret;
|
1166 | 28a76be8 | aliguori | |
1167 | 28a76be8 | aliguori | ret = vs->read_handler(vs, vs->input.buffer, len); |
1168 | 198a0039 | Gerd Hoffmann | if (vs->csock == -1) { |
1169 | 198a0039 | Gerd Hoffmann | vnc_disconnect_finish(vs); |
1170 | 28a76be8 | aliguori | return;
|
1171 | 198a0039 | Gerd Hoffmann | } |
1172 | 28a76be8 | aliguori | |
1173 | 28a76be8 | aliguori | if (!ret) {
|
1174 | 28a76be8 | aliguori | memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len)); |
1175 | 28a76be8 | aliguori | vs->input.offset -= len; |
1176 | 28a76be8 | aliguori | } else {
|
1177 | 28a76be8 | aliguori | vs->read_handler_expect = ret; |
1178 | 28a76be8 | aliguori | } |
1179 | 24236869 | bellard | } |
1180 | 24236869 | bellard | } |
1181 | 24236869 | bellard | |
1182 | 5fb6c7a8 | aliguori | void vnc_write(VncState *vs, const void *data, size_t len) |
1183 | 24236869 | bellard | { |
1184 | 24236869 | bellard | buffer_reserve(&vs->output, len); |
1185 | 24236869 | bellard | |
1186 | 198a0039 | Gerd Hoffmann | if (vs->csock != -1 && buffer_empty(&vs->output)) { |
1187 | 28a76be8 | aliguori | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
|
1188 | 24236869 | bellard | } |
1189 | 24236869 | bellard | |
1190 | 24236869 | bellard | buffer_append(&vs->output, data, len); |
1191 | 24236869 | bellard | } |
1192 | 24236869 | bellard | |
1193 | 5fb6c7a8 | aliguori | void vnc_write_s32(VncState *vs, int32_t value)
|
1194 | 24236869 | bellard | { |
1195 | 24236869 | bellard | vnc_write_u32(vs, *(uint32_t *)&value); |
1196 | 24236869 | bellard | } |
1197 | 24236869 | bellard | |
1198 | 5fb6c7a8 | aliguori | void vnc_write_u32(VncState *vs, uint32_t value)
|
1199 | 24236869 | bellard | { |
1200 | 24236869 | bellard | uint8_t buf[4];
|
1201 | 24236869 | bellard | |
1202 | 24236869 | bellard | buf[0] = (value >> 24) & 0xFF; |
1203 | 24236869 | bellard | buf[1] = (value >> 16) & 0xFF; |
1204 | 24236869 | bellard | buf[2] = (value >> 8) & 0xFF; |
1205 | 24236869 | bellard | buf[3] = value & 0xFF; |
1206 | 24236869 | bellard | |
1207 | 24236869 | bellard | vnc_write(vs, buf, 4);
|
1208 | 24236869 | bellard | } |
1209 | 24236869 | bellard | |
1210 | 5fb6c7a8 | aliguori | void vnc_write_u16(VncState *vs, uint16_t value)
|
1211 | 24236869 | bellard | { |
1212 | 64f5a135 | bellard | uint8_t buf[2];
|
1213 | 24236869 | bellard | |
1214 | 24236869 | bellard | buf[0] = (value >> 8) & 0xFF; |
1215 | 24236869 | bellard | buf[1] = value & 0xFF; |
1216 | 24236869 | bellard | |
1217 | 24236869 | bellard | vnc_write(vs, buf, 2);
|
1218 | 24236869 | bellard | } |
1219 | 24236869 | bellard | |
1220 | 5fb6c7a8 | aliguori | void vnc_write_u8(VncState *vs, uint8_t value)
|
1221 | 24236869 | bellard | { |
1222 | 24236869 | bellard | vnc_write(vs, (char *)&value, 1); |
1223 | 24236869 | bellard | } |
1224 | 24236869 | bellard | |
1225 | 5fb6c7a8 | aliguori | void vnc_flush(VncState *vs)
|
1226 | 24236869 | bellard | { |
1227 | 198a0039 | Gerd Hoffmann | if (vs->csock != -1 && vs->output.offset) |
1228 | 28a76be8 | aliguori | vnc_client_write(vs); |
1229 | 24236869 | bellard | } |
1230 | 24236869 | bellard | |
1231 | 5fb6c7a8 | aliguori | uint8_t read_u8(uint8_t *data, size_t offset) |
1232 | 24236869 | bellard | { |
1233 | 24236869 | bellard | return data[offset];
|
1234 | 24236869 | bellard | } |
1235 | 24236869 | bellard | |
1236 | 5fb6c7a8 | aliguori | uint16_t read_u16(uint8_t *data, size_t offset) |
1237 | 24236869 | bellard | { |
1238 | 24236869 | bellard | return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); |
1239 | 24236869 | bellard | } |
1240 | 24236869 | bellard | |
1241 | 5fb6c7a8 | aliguori | int32_t read_s32(uint8_t *data, size_t offset) |
1242 | 24236869 | bellard | { |
1243 | 24236869 | bellard | return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) | |
1244 | 28a76be8 | aliguori | (data[offset + 2] << 8) | data[offset + 3]); |
1245 | 24236869 | bellard | } |
1246 | 24236869 | bellard | |
1247 | 5fb6c7a8 | aliguori | uint32_t read_u32(uint8_t *data, size_t offset) |
1248 | 24236869 | bellard | { |
1249 | 24236869 | bellard | return ((data[offset] << 24) | (data[offset + 1] << 16) | |
1250 | 28a76be8 | aliguori | (data[offset + 2] << 8) | data[offset + 3]); |
1251 | 24236869 | bellard | } |
1252 | 24236869 | bellard | |
1253 | 60fe76f3 | ths | static void client_cut_text(VncState *vs, size_t len, uint8_t *text) |
1254 | 24236869 | bellard | { |
1255 | 24236869 | bellard | } |
1256 | 24236869 | bellard | |
1257 | 37c34d9d | Anthony Liguori | static void check_pointer_type_change(Notifier *notifier) |
1258 | 564c337e | bellard | { |
1259 | 37c34d9d | Anthony Liguori | VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); |
1260 | 37c34d9d | Anthony Liguori | int absolute = kbd_mouse_is_absolute();
|
1261 | 37c34d9d | Anthony Liguori | |
1262 | 29fa4ed9 | aliguori | if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute != absolute) {
|
1263 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
1264 | 28a76be8 | aliguori | vnc_write_u8(vs, 0);
|
1265 | 28a76be8 | aliguori | vnc_write_u16(vs, 1);
|
1266 | 28a76be8 | aliguori | vnc_framebuffer_update(vs, absolute, 0,
|
1267 | 28a76be8 | aliguori | ds_get_width(vs->ds), ds_get_height(vs->ds), |
1268 | 29fa4ed9 | aliguori | VNC_ENCODING_POINTER_TYPE_CHANGE); |
1269 | 28a76be8 | aliguori | vnc_flush(vs); |
1270 | 564c337e | bellard | } |
1271 | 564c337e | bellard | vs->absolute = absolute; |
1272 | 564c337e | bellard | } |
1273 | 564c337e | bellard | |
1274 | 24236869 | bellard | static void pointer_event(VncState *vs, int button_mask, int x, int y) |
1275 | 24236869 | bellard | { |
1276 | 24236869 | bellard | int buttons = 0; |
1277 | 24236869 | bellard | int dz = 0; |
1278 | 24236869 | bellard | |
1279 | 24236869 | bellard | if (button_mask & 0x01) |
1280 | 28a76be8 | aliguori | buttons |= MOUSE_EVENT_LBUTTON; |
1281 | 24236869 | bellard | if (button_mask & 0x02) |
1282 | 28a76be8 | aliguori | buttons |= MOUSE_EVENT_MBUTTON; |
1283 | 24236869 | bellard | if (button_mask & 0x04) |
1284 | 28a76be8 | aliguori | buttons |= MOUSE_EVENT_RBUTTON; |
1285 | 24236869 | bellard | if (button_mask & 0x08) |
1286 | 28a76be8 | aliguori | dz = -1;
|
1287 | 24236869 | bellard | if (button_mask & 0x10) |
1288 | 28a76be8 | aliguori | dz = 1;
|
1289 | 564c337e | bellard | |
1290 | 564c337e | bellard | if (vs->absolute) {
|
1291 | cc39a92c | Chris Webb | kbd_mouse_event(ds_get_width(vs->ds) > 1 ?
|
1292 | cc39a92c | Chris Webb | x * 0x7FFF / (ds_get_width(vs->ds) - 1) : 0x4000, |
1293 | cc39a92c | Chris Webb | ds_get_height(vs->ds) > 1 ?
|
1294 | cc39a92c | Chris Webb | y * 0x7FFF / (ds_get_height(vs->ds) - 1) : 0x4000, |
1295 | 28a76be8 | aliguori | dz, buttons); |
1296 | 29fa4ed9 | aliguori | } else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) { |
1297 | 28a76be8 | aliguori | x -= 0x7FFF;
|
1298 | 28a76be8 | aliguori | y -= 0x7FFF;
|
1299 | 24236869 | bellard | |
1300 | 28a76be8 | aliguori | kbd_mouse_event(x, y, dz, buttons); |
1301 | 564c337e | bellard | } else {
|
1302 | 28a76be8 | aliguori | if (vs->last_x != -1) |
1303 | 28a76be8 | aliguori | kbd_mouse_event(x - vs->last_x, |
1304 | 28a76be8 | aliguori | y - vs->last_y, |
1305 | 28a76be8 | aliguori | dz, buttons); |
1306 | 28a76be8 | aliguori | vs->last_x = x; |
1307 | 28a76be8 | aliguori | vs->last_y = y; |
1308 | 24236869 | bellard | } |
1309 | 24236869 | bellard | } |
1310 | 24236869 | bellard | |
1311 | 64f5a135 | bellard | static void reset_keys(VncState *vs) |
1312 | 64f5a135 | bellard | { |
1313 | 64f5a135 | bellard | int i;
|
1314 | 64f5a135 | bellard | for(i = 0; i < 256; i++) { |
1315 | 64f5a135 | bellard | if (vs->modifiers_state[i]) {
|
1316 | 44bb61c8 | Samuel Thibault | if (i & SCANCODE_GREY)
|
1317 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(SCANCODE_EMUL0); |
1318 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(i | SCANCODE_UP); |
1319 | 64f5a135 | bellard | vs->modifiers_state[i] = 0;
|
1320 | 64f5a135 | bellard | } |
1321 | 64f5a135 | bellard | } |
1322 | 64f5a135 | bellard | } |
1323 | 64f5a135 | bellard | |
1324 | a528b80c | balrog | static void press_key(VncState *vs, int keysym) |
1325 | a528b80c | balrog | { |
1326 | 44bb61c8 | Samuel Thibault | int keycode = keysym2scancode(vs->vd->kbd_layout, keysym) & SCANCODE_KEYMASK;
|
1327 | 44bb61c8 | Samuel Thibault | if (keycode & SCANCODE_GREY)
|
1328 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(SCANCODE_EMUL0); |
1329 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); |
1330 | 44bb61c8 | Samuel Thibault | if (keycode & SCANCODE_GREY)
|
1331 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(SCANCODE_EMUL0); |
1332 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(keycode | SCANCODE_UP); |
1333 | a528b80c | balrog | } |
1334 | a528b80c | balrog | |
1335 | 7ffb82ca | Gerd Hoffmann | static void kbd_leds(void *opaque, int ledstate) |
1336 | 7ffb82ca | Gerd Hoffmann | { |
1337 | 7ffb82ca | Gerd Hoffmann | VncState *vs = opaque; |
1338 | 7ffb82ca | Gerd Hoffmann | int caps, num;
|
1339 | 7ffb82ca | Gerd Hoffmann | |
1340 | 7ffb82ca | Gerd Hoffmann | caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0; |
1341 | 7ffb82ca | Gerd Hoffmann | num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0; |
1342 | 7ffb82ca | Gerd Hoffmann | |
1343 | 7ffb82ca | Gerd Hoffmann | if (vs->modifiers_state[0x3a] != caps) { |
1344 | 7ffb82ca | Gerd Hoffmann | vs->modifiers_state[0x3a] = caps;
|
1345 | 7ffb82ca | Gerd Hoffmann | } |
1346 | 7ffb82ca | Gerd Hoffmann | if (vs->modifiers_state[0x45] != num) { |
1347 | 7ffb82ca | Gerd Hoffmann | vs->modifiers_state[0x45] = num;
|
1348 | 7ffb82ca | Gerd Hoffmann | } |
1349 | 7ffb82ca | Gerd Hoffmann | } |
1350 | 7ffb82ca | Gerd Hoffmann | |
1351 | 9ca313aa | aliguori | static void do_key_event(VncState *vs, int down, int keycode, int sym) |
1352 | 24236869 | bellard | { |
1353 | 64f5a135 | bellard | /* QEMU console switch */
|
1354 | 64f5a135 | bellard | switch(keycode) {
|
1355 | 64f5a135 | bellard | case 0x2a: /* Left Shift */ |
1356 | 64f5a135 | bellard | case 0x36: /* Right Shift */ |
1357 | 64f5a135 | bellard | case 0x1d: /* Left CTRL */ |
1358 | 64f5a135 | bellard | case 0x9d: /* Right CTRL */ |
1359 | 64f5a135 | bellard | case 0x38: /* Left ALT */ |
1360 | 64f5a135 | bellard | case 0xb8: /* Right ALT */ |
1361 | 64f5a135 | bellard | if (down)
|
1362 | 64f5a135 | bellard | vs->modifiers_state[keycode] = 1;
|
1363 | 64f5a135 | bellard | else
|
1364 | 64f5a135 | bellard | vs->modifiers_state[keycode] = 0;
|
1365 | 64f5a135 | bellard | break;
|
1366 | 5fafdf24 | ths | case 0x02 ... 0x0a: /* '1' to '9' keys */ |
1367 | 64f5a135 | bellard | if (down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) { |
1368 | 64f5a135 | bellard | /* Reset the modifiers sent to the current console */
|
1369 | 64f5a135 | bellard | reset_keys(vs); |
1370 | 64f5a135 | bellard | console_select(keycode - 0x02);
|
1371 | 64f5a135 | bellard | return;
|
1372 | 64f5a135 | bellard | } |
1373 | 64f5a135 | bellard | break;
|
1374 | 28a76be8 | aliguori | case 0x3a: /* CapsLock */ |
1375 | 28a76be8 | aliguori | case 0x45: /* NumLock */ |
1376 | 7ffb82ca | Gerd Hoffmann | if (down)
|
1377 | a528b80c | balrog | vs->modifiers_state[keycode] ^= 1;
|
1378 | a528b80c | balrog | break;
|
1379 | a528b80c | balrog | } |
1380 | a528b80c | balrog | |
1381 | 3a0558b5 | Gerd Hoffmann | if (vs->vd->lock_key_sync &&
|
1382 | 3a0558b5 | Gerd Hoffmann | keycode_is_keypad(vs->vd->kbd_layout, keycode)) { |
1383 | a528b80c | balrog | /* If the numlock state needs to change then simulate an additional
|
1384 | a528b80c | balrog | keypress before sending this one. This will happen if the user
|
1385 | a528b80c | balrog | toggles numlock away from the VNC window.
|
1386 | a528b80c | balrog | */
|
1387 | 753b4053 | aliguori | if (keysym_is_numlock(vs->vd->kbd_layout, sym & 0xFFFF)) { |
1388 | a528b80c | balrog | if (!vs->modifiers_state[0x45]) { |
1389 | a528b80c | balrog | vs->modifiers_state[0x45] = 1; |
1390 | a528b80c | balrog | press_key(vs, 0xff7f);
|
1391 | a528b80c | balrog | } |
1392 | a528b80c | balrog | } else {
|
1393 | a528b80c | balrog | if (vs->modifiers_state[0x45]) { |
1394 | a528b80c | balrog | vs->modifiers_state[0x45] = 0; |
1395 | a528b80c | balrog | press_key(vs, 0xff7f);
|
1396 | a528b80c | balrog | } |
1397 | a528b80c | balrog | } |
1398 | 64f5a135 | bellard | } |
1399 | 24236869 | bellard | |
1400 | 3a0558b5 | Gerd Hoffmann | if (vs->vd->lock_key_sync &&
|
1401 | 3a0558b5 | Gerd Hoffmann | ((sym >= 'A' && sym <= 'Z') || (sym >= 'a' && sym <= 'z'))) { |
1402 | 6b132502 | Gerd Hoffmann | /* If the capslock state needs to change then simulate an additional
|
1403 | 6b132502 | Gerd Hoffmann | keypress before sending this one. This will happen if the user
|
1404 | 6b132502 | Gerd Hoffmann | toggles capslock away from the VNC window.
|
1405 | 6b132502 | Gerd Hoffmann | */
|
1406 | 6b132502 | Gerd Hoffmann | int uppercase = !!(sym >= 'A' && sym <= 'Z'); |
1407 | 6b132502 | Gerd Hoffmann | int shift = !!(vs->modifiers_state[0x2a] | vs->modifiers_state[0x36]); |
1408 | 6b132502 | Gerd Hoffmann | int capslock = !!(vs->modifiers_state[0x3a]); |
1409 | 6b132502 | Gerd Hoffmann | if (capslock) {
|
1410 | 6b132502 | Gerd Hoffmann | if (uppercase == shift) {
|
1411 | 6b132502 | Gerd Hoffmann | vs->modifiers_state[0x3a] = 0; |
1412 | 6b132502 | Gerd Hoffmann | press_key(vs, 0xffe5);
|
1413 | 6b132502 | Gerd Hoffmann | } |
1414 | 6b132502 | Gerd Hoffmann | } else {
|
1415 | 6b132502 | Gerd Hoffmann | if (uppercase != shift) {
|
1416 | 6b132502 | Gerd Hoffmann | vs->modifiers_state[0x3a] = 1; |
1417 | 6b132502 | Gerd Hoffmann | press_key(vs, 0xffe5);
|
1418 | 6b132502 | Gerd Hoffmann | } |
1419 | 6b132502 | Gerd Hoffmann | } |
1420 | 6b132502 | Gerd Hoffmann | } |
1421 | 6b132502 | Gerd Hoffmann | |
1422 | 64f5a135 | bellard | if (is_graphic_console()) {
|
1423 | 44bb61c8 | Samuel Thibault | if (keycode & SCANCODE_GREY)
|
1424 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(SCANCODE_EMUL0); |
1425 | 64f5a135 | bellard | if (down)
|
1426 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); |
1427 | 64f5a135 | bellard | else
|
1428 | 44bb61c8 | Samuel Thibault | kbd_put_keycode(keycode | SCANCODE_UP); |
1429 | 64f5a135 | bellard | } else {
|
1430 | 64f5a135 | bellard | /* QEMU console emulation */
|
1431 | 64f5a135 | bellard | if (down) {
|
1432 | bb0a18e1 | Gerd Hoffmann | int numlock = vs->modifiers_state[0x45]; |
1433 | 64f5a135 | bellard | switch (keycode) {
|
1434 | 64f5a135 | bellard | case 0x2a: /* Left Shift */ |
1435 | 64f5a135 | bellard | case 0x36: /* Right Shift */ |
1436 | 64f5a135 | bellard | case 0x1d: /* Left CTRL */ |
1437 | 64f5a135 | bellard | case 0x9d: /* Right CTRL */ |
1438 | 64f5a135 | bellard | case 0x38: /* Left ALT */ |
1439 | 64f5a135 | bellard | case 0xb8: /* Right ALT */ |
1440 | 64f5a135 | bellard | break;
|
1441 | 64f5a135 | bellard | case 0xc8: |
1442 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_UP); |
1443 | 64f5a135 | bellard | break;
|
1444 | 64f5a135 | bellard | case 0xd0: |
1445 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_DOWN); |
1446 | 64f5a135 | bellard | break;
|
1447 | 64f5a135 | bellard | case 0xcb: |
1448 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_LEFT); |
1449 | 64f5a135 | bellard | break;
|
1450 | 64f5a135 | bellard | case 0xcd: |
1451 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_RIGHT); |
1452 | 64f5a135 | bellard | break;
|
1453 | 64f5a135 | bellard | case 0xd3: |
1454 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_DELETE); |
1455 | 64f5a135 | bellard | break;
|
1456 | 64f5a135 | bellard | case 0xc7: |
1457 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_HOME); |
1458 | 64f5a135 | bellard | break;
|
1459 | 64f5a135 | bellard | case 0xcf: |
1460 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_END); |
1461 | 64f5a135 | bellard | break;
|
1462 | 64f5a135 | bellard | case 0xc9: |
1463 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_PAGEUP); |
1464 | 64f5a135 | bellard | break;
|
1465 | 64f5a135 | bellard | case 0xd1: |
1466 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_PAGEDOWN); |
1467 | 64f5a135 | bellard | break;
|
1468 | bb0a18e1 | Gerd Hoffmann | |
1469 | bb0a18e1 | Gerd Hoffmann | case 0x47: |
1470 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '7' : QEMU_KEY_HOME);
|
1471 | bb0a18e1 | Gerd Hoffmann | break;
|
1472 | bb0a18e1 | Gerd Hoffmann | case 0x48: |
1473 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '8' : QEMU_KEY_UP);
|
1474 | bb0a18e1 | Gerd Hoffmann | break;
|
1475 | bb0a18e1 | Gerd Hoffmann | case 0x49: |
1476 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '9' : QEMU_KEY_PAGEUP);
|
1477 | bb0a18e1 | Gerd Hoffmann | break;
|
1478 | bb0a18e1 | Gerd Hoffmann | case 0x4b: |
1479 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '4' : QEMU_KEY_LEFT);
|
1480 | bb0a18e1 | Gerd Hoffmann | break;
|
1481 | bb0a18e1 | Gerd Hoffmann | case 0x4c: |
1482 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym('5');
|
1483 | bb0a18e1 | Gerd Hoffmann | break;
|
1484 | bb0a18e1 | Gerd Hoffmann | case 0x4d: |
1485 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '6' : QEMU_KEY_RIGHT);
|
1486 | bb0a18e1 | Gerd Hoffmann | break;
|
1487 | bb0a18e1 | Gerd Hoffmann | case 0x4f: |
1488 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '1' : QEMU_KEY_END);
|
1489 | bb0a18e1 | Gerd Hoffmann | break;
|
1490 | bb0a18e1 | Gerd Hoffmann | case 0x50: |
1491 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '2' : QEMU_KEY_DOWN);
|
1492 | bb0a18e1 | Gerd Hoffmann | break;
|
1493 | bb0a18e1 | Gerd Hoffmann | case 0x51: |
1494 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '3' : QEMU_KEY_PAGEDOWN);
|
1495 | bb0a18e1 | Gerd Hoffmann | break;
|
1496 | bb0a18e1 | Gerd Hoffmann | case 0x52: |
1497 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym('0');
|
1498 | bb0a18e1 | Gerd Hoffmann | break;
|
1499 | bb0a18e1 | Gerd Hoffmann | case 0x53: |
1500 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym(numlock ? '.' : QEMU_KEY_DELETE);
|
1501 | bb0a18e1 | Gerd Hoffmann | break;
|
1502 | bb0a18e1 | Gerd Hoffmann | |
1503 | bb0a18e1 | Gerd Hoffmann | case 0xb5: |
1504 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym('/');
|
1505 | bb0a18e1 | Gerd Hoffmann | break;
|
1506 | bb0a18e1 | Gerd Hoffmann | case 0x37: |
1507 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym('*');
|
1508 | bb0a18e1 | Gerd Hoffmann | break;
|
1509 | bb0a18e1 | Gerd Hoffmann | case 0x4a: |
1510 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym('-');
|
1511 | bb0a18e1 | Gerd Hoffmann | break;
|
1512 | bb0a18e1 | Gerd Hoffmann | case 0x4e: |
1513 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym('+');
|
1514 | bb0a18e1 | Gerd Hoffmann | break;
|
1515 | bb0a18e1 | Gerd Hoffmann | case 0x9c: |
1516 | bb0a18e1 | Gerd Hoffmann | kbd_put_keysym('\n');
|
1517 | bb0a18e1 | Gerd Hoffmann | break;
|
1518 | bb0a18e1 | Gerd Hoffmann | |
1519 | 64f5a135 | bellard | default:
|
1520 | 64f5a135 | bellard | kbd_put_keysym(sym); |
1521 | 64f5a135 | bellard | break;
|
1522 | 64f5a135 | bellard | } |
1523 | 64f5a135 | bellard | } |
1524 | 64f5a135 | bellard | } |
1525 | 24236869 | bellard | } |
1526 | 24236869 | bellard | |
1527 | bdbd7676 | bellard | static void key_event(VncState *vs, int down, uint32_t sym) |
1528 | bdbd7676 | bellard | { |
1529 | 9ca313aa | aliguori | int keycode;
|
1530 | 4a93fe17 | Gerd Hoffmann | int lsym = sym;
|
1531 | 9ca313aa | aliguori | |
1532 | 4a93fe17 | Gerd Hoffmann | if (lsym >= 'A' && lsym <= 'Z' && is_graphic_console()) { |
1533 | 4a93fe17 | Gerd Hoffmann | lsym = lsym - 'A' + 'a'; |
1534 | 4a93fe17 | Gerd Hoffmann | } |
1535 | 9ca313aa | aliguori | |
1536 | 44bb61c8 | Samuel Thibault | keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK;
|
1537 | 9ca313aa | aliguori | do_key_event(vs, down, keycode, sym); |
1538 | 9ca313aa | aliguori | } |
1539 | 9ca313aa | aliguori | |
1540 | 9ca313aa | aliguori | static void ext_key_event(VncState *vs, int down, |
1541 | 9ca313aa | aliguori | uint32_t sym, uint16_t keycode) |
1542 | 9ca313aa | aliguori | { |
1543 | 9ca313aa | aliguori | /* if the user specifies a keyboard layout, always use it */
|
1544 | 9ca313aa | aliguori | if (keyboard_layout)
|
1545 | 9ca313aa | aliguori | key_event(vs, down, sym); |
1546 | 9ca313aa | aliguori | else
|
1547 | 9ca313aa | aliguori | do_key_event(vs, down, keycode, sym); |
1548 | bdbd7676 | bellard | } |
1549 | bdbd7676 | bellard | |
1550 | 24236869 | bellard | static void framebuffer_update_request(VncState *vs, int incremental, |
1551 | 28a76be8 | aliguori | int x_position, int y_position, |
1552 | 28a76be8 | aliguori | int w, int h) |
1553 | 24236869 | bellard | { |
1554 | 0e1f5a0c | aliguori | if (y_position > ds_get_height(vs->ds))
|
1555 | 0e1f5a0c | aliguori | y_position = ds_get_height(vs->ds); |
1556 | 0e1f5a0c | aliguori | if (y_position + h >= ds_get_height(vs->ds))
|
1557 | 0e1f5a0c | aliguori | h = ds_get_height(vs->ds) - y_position; |
1558 | cf2d385c | ths | |
1559 | 24236869 | bellard | int i;
|
1560 | 24236869 | bellard | vs->need_update = 1;
|
1561 | 24236869 | bellard | if (!incremental) {
|
1562 | 24cf0a6e | Gerd Hoffmann | vs->force_update = 1;
|
1563 | 28a76be8 | aliguori | for (i = 0; i < h; i++) { |
1564 | 1fc62412 | Stefano Stabellini | vnc_set_bits(vs->dirty[y_position + i], |
1565 | 0e1f5a0c | aliguori | (ds_get_width(vs->ds) / 16), VNC_DIRTY_WORDS);
|
1566 | 28a76be8 | aliguori | } |
1567 | 24236869 | bellard | } |
1568 | 24236869 | bellard | } |
1569 | 24236869 | bellard | |
1570 | 9ca313aa | aliguori | static void send_ext_key_event_ack(VncState *vs) |
1571 | 9ca313aa | aliguori | { |
1572 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
1573 | 9ca313aa | aliguori | vnc_write_u8(vs, 0);
|
1574 | 9ca313aa | aliguori | vnc_write_u16(vs, 1);
|
1575 | 29fa4ed9 | aliguori | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds), |
1576 | 29fa4ed9 | aliguori | VNC_ENCODING_EXT_KEY_EVENT); |
1577 | 9ca313aa | aliguori | vnc_flush(vs); |
1578 | 9ca313aa | aliguori | } |
1579 | 9ca313aa | aliguori | |
1580 | 429a8ed3 | malc | static void send_ext_audio_ack(VncState *vs) |
1581 | 429a8ed3 | malc | { |
1582 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
1583 | 429a8ed3 | malc | vnc_write_u8(vs, 0);
|
1584 | 429a8ed3 | malc | vnc_write_u16(vs, 1);
|
1585 | 29fa4ed9 | aliguori | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds), |
1586 | 29fa4ed9 | aliguori | VNC_ENCODING_AUDIO); |
1587 | 429a8ed3 | malc | vnc_flush(vs); |
1588 | 429a8ed3 | malc | } |
1589 | 429a8ed3 | malc | |
1590 | 24236869 | bellard | static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) |
1591 | 24236869 | bellard | { |
1592 | 24236869 | bellard | int i;
|
1593 | 29fa4ed9 | aliguori | unsigned int enc = 0; |
1594 | 24236869 | bellard | |
1595 | 059cef40 | aliguori | vnc_zlib_init(vs); |
1596 | 29fa4ed9 | aliguori | vs->features = 0;
|
1597 | 14eb8b68 | Corentin Chary | vs->vnc_encoding = -1;
|
1598 | fb437313 | aliguori | vs->tight_compression = 9;
|
1599 | fb437313 | aliguori | vs->tight_quality = 9;
|
1600 | 564c337e | bellard | vs->absolute = -1;
|
1601 | 24236869 | bellard | |
1602 | 24236869 | bellard | for (i = n_encodings - 1; i >= 0; i--) { |
1603 | 29fa4ed9 | aliguori | enc = encodings[i]; |
1604 | 29fa4ed9 | aliguori | switch (enc) {
|
1605 | 29fa4ed9 | aliguori | case VNC_ENCODING_RAW:
|
1606 | 14eb8b68 | Corentin Chary | if (vs->vnc_encoding != -1) { |
1607 | 14eb8b68 | Corentin Chary | vs->vnc_encoding = enc; |
1608 | 14eb8b68 | Corentin Chary | } |
1609 | 29fa4ed9 | aliguori | break;
|
1610 | 29fa4ed9 | aliguori | case VNC_ENCODING_COPYRECT:
|
1611 | 753b4053 | aliguori | vs->features |= VNC_FEATURE_COPYRECT_MASK; |
1612 | 29fa4ed9 | aliguori | break;
|
1613 | 29fa4ed9 | aliguori | case VNC_ENCODING_HEXTILE:
|
1614 | 29fa4ed9 | aliguori | vs->features |= VNC_FEATURE_HEXTILE_MASK; |
1615 | 14eb8b68 | Corentin Chary | if (vs->vnc_encoding != -1) { |
1616 | 14eb8b68 | Corentin Chary | vs->vnc_encoding = enc; |
1617 | 14eb8b68 | Corentin Chary | } |
1618 | 29fa4ed9 | aliguori | break;
|
1619 | 059cef40 | aliguori | case VNC_ENCODING_ZLIB:
|
1620 | 059cef40 | aliguori | vs->features |= VNC_FEATURE_ZLIB_MASK; |
1621 | 14eb8b68 | Corentin Chary | if (vs->vnc_encoding != -1) { |
1622 | 14eb8b68 | Corentin Chary | vs->vnc_encoding = enc; |
1623 | 14eb8b68 | Corentin Chary | } |
1624 | 059cef40 | aliguori | break;
|
1625 | 29fa4ed9 | aliguori | case VNC_ENCODING_DESKTOPRESIZE:
|
1626 | 29fa4ed9 | aliguori | vs->features |= VNC_FEATURE_RESIZE_MASK; |
1627 | 29fa4ed9 | aliguori | break;
|
1628 | 29fa4ed9 | aliguori | case VNC_ENCODING_POINTER_TYPE_CHANGE:
|
1629 | 29fa4ed9 | aliguori | vs->features |= VNC_FEATURE_POINTER_TYPE_CHANGE_MASK; |
1630 | 29fa4ed9 | aliguori | break;
|
1631 | 29fa4ed9 | aliguori | case VNC_ENCODING_EXT_KEY_EVENT:
|
1632 | 9ca313aa | aliguori | send_ext_key_event_ack(vs); |
1633 | 9ca313aa | aliguori | break;
|
1634 | 29fa4ed9 | aliguori | case VNC_ENCODING_AUDIO:
|
1635 | 429a8ed3 | malc | send_ext_audio_ack(vs); |
1636 | 429a8ed3 | malc | break;
|
1637 | 29fa4ed9 | aliguori | case VNC_ENCODING_WMVi:
|
1638 | 29fa4ed9 | aliguori | vs->features |= VNC_FEATURE_WMVI_MASK; |
1639 | ca4cca4d | aliguori | break;
|
1640 | fb437313 | aliguori | case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9: |
1641 | fb437313 | aliguori | vs->tight_compression = (enc & 0x0F);
|
1642 | fb437313 | aliguori | break;
|
1643 | fb437313 | aliguori | case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9: |
1644 | fb437313 | aliguori | vs->tight_quality = (enc & 0x0F);
|
1645 | fb437313 | aliguori | break;
|
1646 | 29fa4ed9 | aliguori | default:
|
1647 | 29fa4ed9 | aliguori | VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc);
|
1648 | 29fa4ed9 | aliguori | break;
|
1649 | 29fa4ed9 | aliguori | } |
1650 | 24236869 | bellard | } |
1651 | 0684bf1b | Anthony Liguori | |
1652 | 0684bf1b | Anthony Liguori | check_pointer_type_change(&vs->mouse_mode_notifier); |
1653 | 24236869 | bellard | } |
1654 | 24236869 | bellard | |
1655 | 6cec5487 | aliguori | static void set_pixel_conversion(VncState *vs) |
1656 | 6cec5487 | aliguori | { |
1657 | 6cec5487 | aliguori | if ((vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) ==
|
1658 | 6cec5487 | aliguori | (vs->ds->surface->flags & QEMU_BIG_ENDIAN_FLAG) && |
1659 | 6cec5487 | aliguori | !memcmp(&(vs->clientds.pf), &(vs->ds->surface->pf), sizeof(PixelFormat))) {
|
1660 | 6cec5487 | aliguori | vs->write_pixels = vnc_write_pixels_copy; |
1661 | 70a4568f | Corentin Chary | vnc_hextile_set_pixel_conversion(vs, 0);
|
1662 | 6cec5487 | aliguori | } else {
|
1663 | 6cec5487 | aliguori | vs->write_pixels = vnc_write_pixels_generic; |
1664 | 70a4568f | Corentin Chary | vnc_hextile_set_pixel_conversion(vs, 1);
|
1665 | 6cec5487 | aliguori | } |
1666 | 6cec5487 | aliguori | } |
1667 | 6cec5487 | aliguori | |
1668 | 24236869 | bellard | static void set_pixel_format(VncState *vs, |
1669 | 28a76be8 | aliguori | int bits_per_pixel, int depth, |
1670 | 28a76be8 | aliguori | int big_endian_flag, int true_color_flag, |
1671 | 28a76be8 | aliguori | int red_max, int green_max, int blue_max, |
1672 | 28a76be8 | aliguori | int red_shift, int green_shift, int blue_shift) |
1673 | 24236869 | bellard | { |
1674 | 3512779a | bellard | if (!true_color_flag) {
|
1675 | 28a76be8 | aliguori | vnc_client_error(vs); |
1676 | 3512779a | bellard | return;
|
1677 | 3512779a | bellard | } |
1678 | 24236869 | bellard | |
1679 | 1fc62412 | Stefano Stabellini | vs->clientds = *(vs->vd->guest.ds); |
1680 | 6cec5487 | aliguori | vs->clientds.pf.rmax = red_max; |
1681 | 90a1e3c0 | aliguori | count_bits(vs->clientds.pf.rbits, red_max); |
1682 | 6cec5487 | aliguori | vs->clientds.pf.rshift = red_shift; |
1683 | 6cec5487 | aliguori | vs->clientds.pf.rmask = red_max << red_shift; |
1684 | 6cec5487 | aliguori | vs->clientds.pf.gmax = green_max; |
1685 | 90a1e3c0 | aliguori | count_bits(vs->clientds.pf.gbits, green_max); |
1686 | 6cec5487 | aliguori | vs->clientds.pf.gshift = green_shift; |
1687 | 6cec5487 | aliguori | vs->clientds.pf.gmask = green_max << green_shift; |
1688 | 6cec5487 | aliguori | vs->clientds.pf.bmax = blue_max; |
1689 | 90a1e3c0 | aliguori | count_bits(vs->clientds.pf.bbits, blue_max); |
1690 | 6cec5487 | aliguori | vs->clientds.pf.bshift = blue_shift; |
1691 | 6cec5487 | aliguori | vs->clientds.pf.bmask = blue_max << blue_shift; |
1692 | 6cec5487 | aliguori | vs->clientds.pf.bits_per_pixel = bits_per_pixel; |
1693 | 6cec5487 | aliguori | vs->clientds.pf.bytes_per_pixel = bits_per_pixel / 8;
|
1694 | 6cec5487 | aliguori | vs->clientds.pf.depth = bits_per_pixel == 32 ? 24 : bits_per_pixel; |
1695 | 6cec5487 | aliguori | vs->clientds.flags = big_endian_flag ? QEMU_BIG_ENDIAN_FLAG : 0x00;
|
1696 | 6cec5487 | aliguori | |
1697 | 6cec5487 | aliguori | set_pixel_conversion(vs); |
1698 | 24236869 | bellard | |
1699 | 24236869 | bellard | vga_hw_invalidate(); |
1700 | 24236869 | bellard | vga_hw_update(); |
1701 | 24236869 | bellard | } |
1702 | 24236869 | bellard | |
1703 | ca4cca4d | aliguori | static void pixel_format_message (VncState *vs) { |
1704 | ca4cca4d | aliguori | char pad[3] = { 0, 0, 0 }; |
1705 | ca4cca4d | aliguori | |
1706 | 6cec5487 | aliguori | vnc_write_u8(vs, vs->ds->surface->pf.bits_per_pixel); /* bits-per-pixel */
|
1707 | 6cec5487 | aliguori | vnc_write_u8(vs, vs->ds->surface->pf.depth); /* depth */
|
1708 | ca4cca4d | aliguori | |
1709 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
|
1710 | ca4cca4d | aliguori | vnc_write_u8(vs, 1); /* big-endian-flag */ |
1711 | ca4cca4d | aliguori | #else
|
1712 | ca4cca4d | aliguori | vnc_write_u8(vs, 0); /* big-endian-flag */ |
1713 | ca4cca4d | aliguori | #endif
|
1714 | ca4cca4d | aliguori | vnc_write_u8(vs, 1); /* true-color-flag */ |
1715 | 6cec5487 | aliguori | vnc_write_u16(vs, vs->ds->surface->pf.rmax); /* red-max */
|
1716 | 6cec5487 | aliguori | vnc_write_u16(vs, vs->ds->surface->pf.gmax); /* green-max */
|
1717 | 6cec5487 | aliguori | vnc_write_u16(vs, vs->ds->surface->pf.bmax); /* blue-max */
|
1718 | 6cec5487 | aliguori | vnc_write_u8(vs, vs->ds->surface->pf.rshift); /* red-shift */
|
1719 | 6cec5487 | aliguori | vnc_write_u8(vs, vs->ds->surface->pf.gshift); /* green-shift */
|
1720 | 6cec5487 | aliguori | vnc_write_u8(vs, vs->ds->surface->pf.bshift); /* blue-shift */
|
1721 | 70a4568f | Corentin Chary | |
1722 | 70a4568f | Corentin Chary | vnc_hextile_set_pixel_conversion(vs, 0);
|
1723 | 70a4568f | Corentin Chary | |
1724 | 6cec5487 | aliguori | vs->clientds = *(vs->ds->surface); |
1725 | 3cded540 | aurel32 | vs->clientds.flags &= ~QEMU_ALLOCATED_FLAG; |
1726 | ca4cca4d | aliguori | vs->write_pixels = vnc_write_pixels_copy; |
1727 | ca4cca4d | aliguori | |
1728 | ca4cca4d | aliguori | vnc_write(vs, pad, 3); /* padding */ |
1729 | ca4cca4d | aliguori | } |
1730 | ca4cca4d | aliguori | |
1731 | 7d957bd8 | aliguori | static void vnc_dpy_setdata(DisplayState *ds) |
1732 | 7d957bd8 | aliguori | { |
1733 | 7d957bd8 | aliguori | /* We don't have to do anything */
|
1734 | 7d957bd8 | aliguori | } |
1735 | 7d957bd8 | aliguori | |
1736 | 753b4053 | aliguori | static void vnc_colordepth(VncState *vs) |
1737 | 7eac3a87 | aliguori | { |
1738 | 753b4053 | aliguori | if (vnc_has_feature(vs, VNC_FEATURE_WMVI)) {
|
1739 | ca4cca4d | aliguori | /* Sending a WMVi message to notify the client*/
|
1740 | 46a183da | Daniel P. Berrange | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
1741 | ca4cca4d | aliguori | vnc_write_u8(vs, 0);
|
1742 | ca4cca4d | aliguori | vnc_write_u16(vs, 1); /* number of rects */ |
1743 | 753b4053 | aliguori | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), |
1744 | 753b4053 | aliguori | ds_get_height(vs->ds), VNC_ENCODING_WMVi); |
1745 | ca4cca4d | aliguori | pixel_format_message(vs); |
1746 | ca4cca4d | aliguori | vnc_flush(vs); |
1747 | 7eac3a87 | aliguori | } else {
|
1748 | 6cec5487 | aliguori | set_pixel_conversion(vs); |
1749 | 7eac3a87 | aliguori | } |
1750 | 7eac3a87 | aliguori | } |
1751 | 7eac3a87 | aliguori | |
1752 | 60fe76f3 | ths | static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) |
1753 | 24236869 | bellard | { |
1754 | 24236869 | bellard | int i;
|
1755 | 24236869 | bellard | uint16_t limit; |
1756 | 2430ffe4 | Stefano Stabellini | VncDisplay *vd = vs->vd; |
1757 | 2430ffe4 | Stefano Stabellini | |
1758 | 2430ffe4 | Stefano Stabellini | if (data[0] > 3) { |
1759 | 2430ffe4 | Stefano Stabellini | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; |
1760 | 2430ffe4 | Stefano Stabellini | if (!qemu_timer_expired(vd->timer, qemu_get_clock(rt_clock) + vd->timer_interval))
|
1761 | 2430ffe4 | Stefano Stabellini | qemu_mod_timer(vd->timer, qemu_get_clock(rt_clock) + vd->timer_interval); |
1762 | 2430ffe4 | Stefano Stabellini | } |
1763 | 24236869 | bellard | |
1764 | 24236869 | bellard | switch (data[0]) { |
1765 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_SET_PIXEL_FORMAT:
|
1766 | 28a76be8 | aliguori | if (len == 1) |
1767 | 28a76be8 | aliguori | return 20; |
1768 | 28a76be8 | aliguori | |
1769 | 28a76be8 | aliguori | set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5), |
1770 | 28a76be8 | aliguori | read_u8(data, 6), read_u8(data, 7), |
1771 | 28a76be8 | aliguori | read_u16(data, 8), read_u16(data, 10), |
1772 | 28a76be8 | aliguori | read_u16(data, 12), read_u8(data, 14), |
1773 | 28a76be8 | aliguori | read_u8(data, 15), read_u8(data, 16)); |
1774 | 28a76be8 | aliguori | break;
|
1775 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_SET_ENCODINGS:
|
1776 | 28a76be8 | aliguori | if (len == 1) |
1777 | 28a76be8 | aliguori | return 4; |
1778 | 24236869 | bellard | |
1779 | 28a76be8 | aliguori | if (len == 4) { |
1780 | 69dd5c9f | aliguori | limit = read_u16(data, 2);
|
1781 | 69dd5c9f | aliguori | if (limit > 0) |
1782 | 69dd5c9f | aliguori | return 4 + (limit * 4); |
1783 | 69dd5c9f | aliguori | } else
|
1784 | 69dd5c9f | aliguori | limit = read_u16(data, 2);
|
1785 | 24236869 | bellard | |
1786 | 28a76be8 | aliguori | for (i = 0; i < limit; i++) { |
1787 | 28a76be8 | aliguori | int32_t val = read_s32(data, 4 + (i * 4)); |
1788 | 28a76be8 | aliguori | memcpy(data + 4 + (i * 4), &val, sizeof(val)); |
1789 | 28a76be8 | aliguori | } |
1790 | 24236869 | bellard | |
1791 | 28a76be8 | aliguori | set_encodings(vs, (int32_t *)(data + 4), limit);
|
1792 | 28a76be8 | aliguori | break;
|
1793 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST:
|
1794 | 28a76be8 | aliguori | if (len == 1) |
1795 | 28a76be8 | aliguori | return 10; |
1796 | 24236869 | bellard | |
1797 | 28a76be8 | aliguori | framebuffer_update_request(vs, |
1798 | 28a76be8 | aliguori | read_u8(data, 1), read_u16(data, 2), read_u16(data, 4), |
1799 | 28a76be8 | aliguori | read_u16(data, 6), read_u16(data, 8)); |
1800 | 28a76be8 | aliguori | break;
|
1801 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_KEY_EVENT:
|
1802 | 28a76be8 | aliguori | if (len == 1) |
1803 | 28a76be8 | aliguori | return 8; |
1804 | 24236869 | bellard | |
1805 | 28a76be8 | aliguori | key_event(vs, read_u8(data, 1), read_u32(data, 4)); |
1806 | 28a76be8 | aliguori | break;
|
1807 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_POINTER_EVENT:
|
1808 | 28a76be8 | aliguori | if (len == 1) |
1809 | 28a76be8 | aliguori | return 6; |
1810 | 24236869 | bellard | |
1811 | 28a76be8 | aliguori | pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4)); |
1812 | 28a76be8 | aliguori | break;
|
1813 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_CUT_TEXT:
|
1814 | 28a76be8 | aliguori | if (len == 1) |
1815 | 28a76be8 | aliguori | return 8; |
1816 | 24236869 | bellard | |
1817 | 28a76be8 | aliguori | if (len == 8) { |
1818 | baa7666c | ths | uint32_t dlen = read_u32(data, 4);
|
1819 | baa7666c | ths | if (dlen > 0) |
1820 | baa7666c | ths | return 8 + dlen; |
1821 | baa7666c | ths | } |
1822 | 24236869 | bellard | |
1823 | 28a76be8 | aliguori | client_cut_text(vs, read_u32(data, 4), data + 8); |
1824 | 28a76be8 | aliguori | break;
|
1825 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_QEMU:
|
1826 | 9ca313aa | aliguori | if (len == 1) |
1827 | 9ca313aa | aliguori | return 2; |
1828 | 9ca313aa | aliguori | |
1829 | 9ca313aa | aliguori | switch (read_u8(data, 1)) { |
1830 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT:
|
1831 | 9ca313aa | aliguori | if (len == 2) |
1832 | 9ca313aa | aliguori | return 12; |
1833 | 9ca313aa | aliguori | |
1834 | 9ca313aa | aliguori | ext_key_event(vs, read_u16(data, 2),
|
1835 | 9ca313aa | aliguori | read_u32(data, 4), read_u32(data, 8)); |
1836 | 9ca313aa | aliguori | break;
|
1837 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_QEMU_AUDIO:
|
1838 | 429a8ed3 | malc | if (len == 2) |
1839 | 429a8ed3 | malc | return 4; |
1840 | 429a8ed3 | malc | |
1841 | 429a8ed3 | malc | switch (read_u16 (data, 2)) { |
1842 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE:
|
1843 | 429a8ed3 | malc | audio_add(vs); |
1844 | 429a8ed3 | malc | break;
|
1845 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE:
|
1846 | 429a8ed3 | malc | audio_del(vs); |
1847 | 429a8ed3 | malc | break;
|
1848 | 46a183da | Daniel P. Berrange | case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT:
|
1849 | 429a8ed3 | malc | if (len == 4) |
1850 | 429a8ed3 | malc | return 10; |
1851 | 429a8ed3 | malc | switch (read_u8(data, 4)) { |
1852 | 429a8ed3 | malc | case 0: vs->as.fmt = AUD_FMT_U8; break; |
1853 | 429a8ed3 | malc | case 1: vs->as.fmt = AUD_FMT_S8; break; |
1854 | 429a8ed3 | malc | case 2: vs->as.fmt = AUD_FMT_U16; break; |
1855 | 429a8ed3 | malc | case 3: vs->as.fmt = AUD_FMT_S16; break; |
1856 | 429a8ed3 | malc | case 4: vs->as.fmt = AUD_FMT_U32; break; |
1857 | 429a8ed3 | malc | case 5: vs->as.fmt = AUD_FMT_S32; break; |
1858 | 429a8ed3 | malc | default:
|
1859 | 429a8ed3 | malc | printf("Invalid audio format %d\n", read_u8(data, 4)); |
1860 | 429a8ed3 | malc | vnc_client_error(vs); |
1861 | 429a8ed3 | malc | break;
|
1862 | 429a8ed3 | malc | } |
1863 | 429a8ed3 | malc | vs->as.nchannels = read_u8(data, 5);
|
1864 | 429a8ed3 | malc | if (vs->as.nchannels != 1 && vs->as.nchannels != 2) { |
1865 | 429a8ed3 | malc | printf("Invalid audio channel coount %d\n",
|
1866 | 429a8ed3 | malc | read_u8(data, 5));
|
1867 | 429a8ed3 | malc | vnc_client_error(vs); |
1868 | 429a8ed3 | malc | break;
|
1869 | 429a8ed3 | malc | } |
1870 | 429a8ed3 | malc | vs->as.freq = read_u32(data, 6);
|
1871 | 429a8ed3 | malc | break;
|
1872 | 429a8ed3 | malc | default:
|
1873 | 429a8ed3 | malc | printf ("Invalid audio message %d\n", read_u8(data, 4)); |
1874 | 429a8ed3 | malc | vnc_client_error(vs); |
1875 | 429a8ed3 | malc | break;
|
1876 | 429a8ed3 | malc | } |
1877 | 429a8ed3 | malc | break;
|
1878 | 429a8ed3 | malc | |
1879 | 9ca313aa | aliguori | default:
|
1880 | 9ca313aa | aliguori | printf("Msg: %d\n", read_u16(data, 0)); |
1881 | 9ca313aa | aliguori | vnc_client_error(vs); |
1882 | 9ca313aa | aliguori | break;
|
1883 | 9ca313aa | aliguori | } |
1884 | 9ca313aa | aliguori | break;
|
1885 | 24236869 | bellard | default:
|
1886 | 28a76be8 | aliguori | printf("Msg: %d\n", data[0]); |
1887 | 28a76be8 | aliguori | vnc_client_error(vs); |
1888 | 28a76be8 | aliguori | break;
|
1889 | 24236869 | bellard | } |
1890 | 5fafdf24 | ths | |
1891 | 24236869 | bellard | vnc_read_when(vs, protocol_client_msg, 1);
|
1892 | 24236869 | bellard | return 0; |
1893 | 24236869 | bellard | } |
1894 | 24236869 | bellard | |
1895 | 60fe76f3 | ths | static int protocol_client_init(VncState *vs, uint8_t *data, size_t len) |
1896 | 24236869 | bellard | { |
1897 | c35734b2 | ths | char buf[1024]; |
1898 | c35734b2 | ths | int size;
|
1899 | 24236869 | bellard | |
1900 | 0e1f5a0c | aliguori | vnc_write_u16(vs, ds_get_width(vs->ds)); |
1901 | 0e1f5a0c | aliguori | vnc_write_u16(vs, ds_get_height(vs->ds)); |
1902 | 24236869 | bellard | |
1903 | ca4cca4d | aliguori | pixel_format_message(vs); |
1904 | 24236869 | bellard | |
1905 | c35734b2 | ths | if (qemu_name)
|
1906 | c35734b2 | ths | size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name); |
1907 | c35734b2 | ths | else
|
1908 | c35734b2 | ths | size = snprintf(buf, sizeof(buf), "QEMU"); |
1909 | c35734b2 | ths | |
1910 | c35734b2 | ths | vnc_write_u32(vs, size); |
1911 | c35734b2 | ths | vnc_write(vs, buf, size); |
1912 | 24236869 | bellard | vnc_flush(vs); |
1913 | 24236869 | bellard | |
1914 | 4a80dba3 | Luiz Capitulino | vnc_client_cache_auth(vs); |
1915 | 0d2ed46a | Luiz Capitulino | vnc_qmp_event(vs, QEVENT_VNC_INITIALIZED); |
1916 | 4a80dba3 | Luiz Capitulino | |
1917 | 24236869 | bellard | vnc_read_when(vs, protocol_client_msg, 1);
|
1918 | 24236869 | bellard | |
1919 | 24236869 | bellard | return 0; |
1920 | 24236869 | bellard | } |
1921 | 24236869 | bellard | |
1922 | 5fb6c7a8 | aliguori | void start_client_init(VncState *vs)
|
1923 | 5fb6c7a8 | aliguori | { |
1924 | 5fb6c7a8 | aliguori | vnc_read_when(vs, protocol_client_init, 1);
|
1925 | 5fb6c7a8 | aliguori | } |
1926 | 5fb6c7a8 | aliguori | |
1927 | 70848515 | ths | static void make_challenge(VncState *vs) |
1928 | 70848515 | ths | { |
1929 | 70848515 | ths | int i;
|
1930 | 70848515 | ths | |
1931 | 70848515 | ths | srand(time(NULL)+getpid()+getpid()*987654+rand()); |
1932 | 70848515 | ths | |
1933 | 70848515 | ths | for (i = 0 ; i < sizeof(vs->challenge) ; i++) |
1934 | 70848515 | ths | vs->challenge[i] = (int) (256.0*rand()/(RAND_MAX+1.0)); |
1935 | 70848515 | ths | } |
1936 | 70848515 | ths | |
1937 | 60fe76f3 | ths | static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) |
1938 | 70848515 | ths | { |
1939 | 60fe76f3 | ths | unsigned char response[VNC_AUTH_CHALLENGE_SIZE]; |
1940 | 70848515 | ths | int i, j, pwlen;
|
1941 | 60fe76f3 | ths | unsigned char key[8]; |
1942 | 70848515 | ths | |
1943 | 753b4053 | aliguori | if (!vs->vd->password || !vs->vd->password[0]) { |
1944 | 28a76be8 | aliguori | VNC_DEBUG("No password configured on server");
|
1945 | 28a76be8 | aliguori | vnc_write_u32(vs, 1); /* Reject auth */ |
1946 | 28a76be8 | aliguori | if (vs->minor >= 8) { |
1947 | 28a76be8 | aliguori | static const char err[] = "Authentication failed"; |
1948 | 28a76be8 | aliguori | vnc_write_u32(vs, sizeof(err));
|
1949 | 28a76be8 | aliguori | vnc_write(vs, err, sizeof(err));
|
1950 | 28a76be8 | aliguori | } |
1951 | 28a76be8 | aliguori | vnc_flush(vs); |
1952 | 28a76be8 | aliguori | vnc_client_error(vs); |
1953 | 28a76be8 | aliguori | return 0; |
1954 | 70848515 | ths | } |
1955 | 70848515 | ths | |
1956 | 70848515 | ths | memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE); |
1957 | 70848515 | ths | |
1958 | 70848515 | ths | /* Calculate the expected challenge response */
|
1959 | 753b4053 | aliguori | pwlen = strlen(vs->vd->password); |
1960 | 70848515 | ths | for (i=0; i<sizeof(key); i++) |
1961 | 753b4053 | aliguori | key[i] = i<pwlen ? vs->vd->password[i] : 0;
|
1962 | 70848515 | ths | deskey(key, EN0); |
1963 | 70848515 | ths | for (j = 0; j < VNC_AUTH_CHALLENGE_SIZE; j += 8) |
1964 | 70848515 | ths | des(response+j, response+j); |
1965 | 70848515 | ths | |
1966 | 70848515 | ths | /* Compare expected vs actual challenge response */
|
1967 | 70848515 | ths | if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) { |
1968 | 28a76be8 | aliguori | VNC_DEBUG("Client challenge reponse did not match\n");
|
1969 | 28a76be8 | aliguori | vnc_write_u32(vs, 1); /* Reject auth */ |
1970 | 28a76be8 | aliguori | if (vs->minor >= 8) { |
1971 | 28a76be8 | aliguori | static const char err[] = "Authentication failed"; |
1972 | 28a76be8 | aliguori | vnc_write_u32(vs, sizeof(err));
|
1973 | 28a76be8 | aliguori | vnc_write(vs, err, sizeof(err));
|
1974 | 28a76be8 | aliguori | } |
1975 | 28a76be8 | aliguori | vnc_flush(vs); |
1976 | 28a76be8 | aliguori | vnc_client_error(vs); |
1977 | 70848515 | ths | } else {
|
1978 | 28a76be8 | aliguori | VNC_DEBUG("Accepting VNC challenge response\n");
|
1979 | 28a76be8 | aliguori | vnc_write_u32(vs, 0); /* Accept auth */ |
1980 | 28a76be8 | aliguori | vnc_flush(vs); |
1981 | 70848515 | ths | |
1982 | 5fb6c7a8 | aliguori | start_client_init(vs); |
1983 | 70848515 | ths | } |
1984 | 70848515 | ths | return 0; |
1985 | 70848515 | ths | } |
1986 | 70848515 | ths | |
1987 | 5fb6c7a8 | aliguori | void start_auth_vnc(VncState *vs)
|
1988 | 70848515 | ths | { |
1989 | 70848515 | ths | make_challenge(vs); |
1990 | 70848515 | ths | /* Send client a 'random' challenge */
|
1991 | 70848515 | ths | vnc_write(vs, vs->challenge, sizeof(vs->challenge));
|
1992 | 70848515 | ths | vnc_flush(vs); |
1993 | 70848515 | ths | |
1994 | 70848515 | ths | vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge));
|
1995 | 469b15c6 | ths | } |
1996 | 469b15c6 | ths | |
1997 | 469b15c6 | ths | |
1998 | 60fe76f3 | ths | static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) |
1999 | 70848515 | ths | { |
2000 | 70848515 | ths | /* We only advertise 1 auth scheme at a time, so client
|
2001 | 70848515 | ths | * must pick the one we sent. Verify this */
|
2002 | 753b4053 | aliguori | if (data[0] != vs->vd->auth) { /* Reject auth */ |
2003 | 1263b7d6 | aliguori | VNC_DEBUG("Reject auth %d because it didn't match advertized\n", (int)data[0]); |
2004 | 70848515 | ths | vnc_write_u32(vs, 1);
|
2005 | 70848515 | ths | if (vs->minor >= 8) { |
2006 | 70848515 | ths | static const char err[] = "Authentication failed"; |
2007 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
2008 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
2009 | 70848515 | ths | } |
2010 | 70848515 | ths | vnc_client_error(vs); |
2011 | 70848515 | ths | } else { /* Accept requested auth */ |
2012 | 70848515 | ths | VNC_DEBUG("Client requested auth %d\n", (int)data[0]); |
2013 | 753b4053 | aliguori | switch (vs->vd->auth) {
|
2014 | 70848515 | ths | case VNC_AUTH_NONE:
|
2015 | 70848515 | ths | VNC_DEBUG("Accept auth none\n");
|
2016 | a26c97ad | balrog | if (vs->minor >= 8) { |
2017 | a26c97ad | balrog | vnc_write_u32(vs, 0); /* Accept auth completion */ |
2018 | a26c97ad | balrog | vnc_flush(vs); |
2019 | a26c97ad | balrog | } |
2020 | 5fb6c7a8 | aliguori | start_client_init(vs); |
2021 | 70848515 | ths | break;
|
2022 | 70848515 | ths | |
2023 | 70848515 | ths | case VNC_AUTH_VNC:
|
2024 | 70848515 | ths | VNC_DEBUG("Start VNC auth\n");
|
2025 | 5fb6c7a8 | aliguori | start_auth_vnc(vs); |
2026 | 5fb6c7a8 | aliguori | break;
|
2027 | 70848515 | ths | |
2028 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
2029 | 8d5d2d4c | ths | case VNC_AUTH_VENCRYPT:
|
2030 | 8d5d2d4c | ths | VNC_DEBUG("Accept VeNCrypt auth\n");;
|
2031 | 5fb6c7a8 | aliguori | start_auth_vencrypt(vs); |
2032 | 5fb6c7a8 | aliguori | break;
|
2033 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
2034 | 8d5d2d4c | ths | |
2035 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_SASL
|
2036 | 2f9606b3 | aliguori | case VNC_AUTH_SASL:
|
2037 | 2f9606b3 | aliguori | VNC_DEBUG("Accept SASL auth\n");
|
2038 | 2f9606b3 | aliguori | start_auth_sasl(vs); |
2039 | 2f9606b3 | aliguori | break;
|
2040 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_SASL */ |
2041 | 2f9606b3 | aliguori | |
2042 | 70848515 | ths | default: /* Should not be possible, but just in case */ |
2043 | 1263b7d6 | aliguori | VNC_DEBUG("Reject auth %d server code bug\n", vs->vd->auth);
|
2044 | 70848515 | ths | vnc_write_u8(vs, 1);
|
2045 | 70848515 | ths | if (vs->minor >= 8) { |
2046 | 70848515 | ths | static const char err[] = "Authentication failed"; |
2047 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
2048 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
2049 | 70848515 | ths | } |
2050 | 70848515 | ths | vnc_client_error(vs); |
2051 | 70848515 | ths | } |
2052 | 70848515 | ths | } |
2053 | 70848515 | ths | return 0; |
2054 | 70848515 | ths | } |
2055 | 70848515 | ths | |
2056 | 60fe76f3 | ths | static int protocol_version(VncState *vs, uint8_t *version, size_t len) |
2057 | 24236869 | bellard | { |
2058 | 24236869 | bellard | char local[13]; |
2059 | 24236869 | bellard | |
2060 | 24236869 | bellard | memcpy(local, version, 12);
|
2061 | 24236869 | bellard | local[12] = 0; |
2062 | 24236869 | bellard | |
2063 | 70848515 | ths | if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) { |
2064 | 28a76be8 | aliguori | VNC_DEBUG("Malformed protocol version %s\n", local);
|
2065 | 28a76be8 | aliguori | vnc_client_error(vs); |
2066 | 28a76be8 | aliguori | return 0; |
2067 | 24236869 | bellard | } |
2068 | 70848515 | ths | VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor);
|
2069 | 70848515 | ths | if (vs->major != 3 || |
2070 | 28a76be8 | aliguori | (vs->minor != 3 &&
|
2071 | 28a76be8 | aliguori | vs->minor != 4 &&
|
2072 | 28a76be8 | aliguori | vs->minor != 5 &&
|
2073 | 28a76be8 | aliguori | vs->minor != 7 &&
|
2074 | 28a76be8 | aliguori | vs->minor != 8)) {
|
2075 | 28a76be8 | aliguori | VNC_DEBUG("Unsupported client version\n");
|
2076 | 28a76be8 | aliguori | vnc_write_u32(vs, VNC_AUTH_INVALID); |
2077 | 28a76be8 | aliguori | vnc_flush(vs); |
2078 | 28a76be8 | aliguori | vnc_client_error(vs); |
2079 | 28a76be8 | aliguori | return 0; |
2080 | 70848515 | ths | } |
2081 | b0566f4f | ths | /* Some broken clients report v3.4 or v3.5, which spec requires to be treated
|
2082 | 70848515 | ths | * as equivalent to v3.3 by servers
|
2083 | 70848515 | ths | */
|
2084 | b0566f4f | ths | if (vs->minor == 4 || vs->minor == 5) |
2085 | 28a76be8 | aliguori | vs->minor = 3;
|
2086 | 70848515 | ths | |
2087 | 70848515 | ths | if (vs->minor == 3) { |
2088 | 28a76be8 | aliguori | if (vs->vd->auth == VNC_AUTH_NONE) {
|
2089 | 70848515 | ths | VNC_DEBUG("Tell client auth none\n");
|
2090 | 753b4053 | aliguori | vnc_write_u32(vs, vs->vd->auth); |
2091 | 70848515 | ths | vnc_flush(vs); |
2092 | 28a76be8 | aliguori | start_client_init(vs); |
2093 | 753b4053 | aliguori | } else if (vs->vd->auth == VNC_AUTH_VNC) { |
2094 | 70848515 | ths | VNC_DEBUG("Tell client VNC auth\n");
|
2095 | 753b4053 | aliguori | vnc_write_u32(vs, vs->vd->auth); |
2096 | 70848515 | ths | vnc_flush(vs); |
2097 | 70848515 | ths | start_auth_vnc(vs); |
2098 | 70848515 | ths | } else {
|
2099 | 753b4053 | aliguori | VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->vd->auth);
|
2100 | 70848515 | ths | vnc_write_u32(vs, VNC_AUTH_INVALID); |
2101 | 70848515 | ths | vnc_flush(vs); |
2102 | 70848515 | ths | vnc_client_error(vs); |
2103 | 70848515 | ths | } |
2104 | 70848515 | ths | } else {
|
2105 | 28a76be8 | aliguori | VNC_DEBUG("Telling client we support auth %d\n", vs->vd->auth);
|
2106 | 28a76be8 | aliguori | vnc_write_u8(vs, 1); /* num auth */ |
2107 | 28a76be8 | aliguori | vnc_write_u8(vs, vs->vd->auth); |
2108 | 28a76be8 | aliguori | vnc_read_when(vs, protocol_client_auth, 1);
|
2109 | 28a76be8 | aliguori | vnc_flush(vs); |
2110 | 70848515 | ths | } |
2111 | 24236869 | bellard | |
2112 | 24236869 | bellard | return 0; |
2113 | 24236869 | bellard | } |
2114 | 24236869 | bellard | |
2115 | 1fc62412 | Stefano Stabellini | static int vnc_refresh_server_surface(VncDisplay *vd) |
2116 | 1fc62412 | Stefano Stabellini | { |
2117 | 1fc62412 | Stefano Stabellini | int y;
|
2118 | 1fc62412 | Stefano Stabellini | uint8_t *guest_row; |
2119 | 1fc62412 | Stefano Stabellini | uint8_t *server_row; |
2120 | 1fc62412 | Stefano Stabellini | int cmp_bytes;
|
2121 | 1fc62412 | Stefano Stabellini | uint32_t width_mask[VNC_DIRTY_WORDS]; |
2122 | 41b4bef6 | Amit Shah | VncState *vs; |
2123 | 1fc62412 | Stefano Stabellini | int has_dirty = 0; |
2124 | 1fc62412 | Stefano Stabellini | |
2125 | 1fc62412 | Stefano Stabellini | /*
|
2126 | 1fc62412 | Stefano Stabellini | * Walk through the guest dirty map.
|
2127 | 1fc62412 | Stefano Stabellini | * Check and copy modified bits from guest to server surface.
|
2128 | 1fc62412 | Stefano Stabellini | * Update server dirty map.
|
2129 | 1fc62412 | Stefano Stabellini | */
|
2130 | 1fc62412 | Stefano Stabellini | vnc_set_bits(width_mask, (ds_get_width(vd->ds) / 16), VNC_DIRTY_WORDS);
|
2131 | 1fc62412 | Stefano Stabellini | cmp_bytes = 16 * ds_get_bytes_per_pixel(vd->ds);
|
2132 | 1fc62412 | Stefano Stabellini | guest_row = vd->guest.ds->data; |
2133 | 1fc62412 | Stefano Stabellini | server_row = vd->server->data; |
2134 | 1fc62412 | Stefano Stabellini | for (y = 0; y < vd->guest.ds->height; y++) { |
2135 | 1fc62412 | Stefano Stabellini | if (vnc_and_bits(vd->guest.dirty[y], width_mask, VNC_DIRTY_WORDS)) {
|
2136 | 1fc62412 | Stefano Stabellini | int x;
|
2137 | 1fc62412 | Stefano Stabellini | uint8_t *guest_ptr; |
2138 | 1fc62412 | Stefano Stabellini | uint8_t *server_ptr; |
2139 | 1fc62412 | Stefano Stabellini | |
2140 | 1fc62412 | Stefano Stabellini | guest_ptr = guest_row; |
2141 | 1fc62412 | Stefano Stabellini | server_ptr = server_row; |
2142 | 1fc62412 | Stefano Stabellini | |
2143 | 1fc62412 | Stefano Stabellini | for (x = 0; x < vd->guest.ds->width; |
2144 | 1fc62412 | Stefano Stabellini | x += 16, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) {
|
2145 | 1fc62412 | Stefano Stabellini | if (!vnc_get_bit(vd->guest.dirty[y], (x / 16))) |
2146 | 1fc62412 | Stefano Stabellini | continue;
|
2147 | 1fc62412 | Stefano Stabellini | vnc_clear_bit(vd->guest.dirty[y], (x / 16));
|
2148 | 1fc62412 | Stefano Stabellini | if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0) |
2149 | 1fc62412 | Stefano Stabellini | continue;
|
2150 | 1fc62412 | Stefano Stabellini | memcpy(server_ptr, guest_ptr, cmp_bytes); |
2151 | 41b4bef6 | Amit Shah | QTAILQ_FOREACH(vs, &vd->clients, next) { |
2152 | 1fc62412 | Stefano Stabellini | vnc_set_bit(vs->dirty[y], (x / 16));
|
2153 | 1fc62412 | Stefano Stabellini | } |
2154 | 1fc62412 | Stefano Stabellini | has_dirty++; |
2155 | 1fc62412 | Stefano Stabellini | } |
2156 | 1fc62412 | Stefano Stabellini | } |
2157 | 1fc62412 | Stefano Stabellini | guest_row += ds_get_linesize(vd->ds); |
2158 | 1fc62412 | Stefano Stabellini | server_row += ds_get_linesize(vd->ds); |
2159 | 1fc62412 | Stefano Stabellini | } |
2160 | 1fc62412 | Stefano Stabellini | return has_dirty;
|
2161 | 1fc62412 | Stefano Stabellini | } |
2162 | 1fc62412 | Stefano Stabellini | |
2163 | 703bc68f | Stefano Stabellini | static void vnc_refresh(void *opaque) |
2164 | 703bc68f | Stefano Stabellini | { |
2165 | 703bc68f | Stefano Stabellini | VncDisplay *vd = opaque; |
2166 | 41b4bef6 | Amit Shah | VncState *vs, *vn; |
2167 | 41b4bef6 | Amit Shah | int has_dirty, rects = 0; |
2168 | 703bc68f | Stefano Stabellini | |
2169 | 703bc68f | Stefano Stabellini | vga_hw_update(); |
2170 | 703bc68f | Stefano Stabellini | |
2171 | 1fc62412 | Stefano Stabellini | has_dirty = vnc_refresh_server_surface(vd); |
2172 | 1fc62412 | Stefano Stabellini | |
2173 | 41b4bef6 | Amit Shah | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
2174 | 2430ffe4 | Stefano Stabellini | rects += vnc_update_client(vs, has_dirty); |
2175 | 6185c578 | Stefano Stabellini | /* vs might be free()ed here */
|
2176 | 703bc68f | Stefano Stabellini | } |
2177 | 83755c17 | Stefano Stabellini | /* vd->timer could be NULL now if the last client disconnected,
|
2178 | 83755c17 | Stefano Stabellini | * in this case don't update the timer */
|
2179 | 83755c17 | Stefano Stabellini | if (vd->timer == NULL) |
2180 | 83755c17 | Stefano Stabellini | return;
|
2181 | 703bc68f | Stefano Stabellini | |
2182 | 2430ffe4 | Stefano Stabellini | if (has_dirty && rects) {
|
2183 | 2430ffe4 | Stefano Stabellini | vd->timer_interval /= 2;
|
2184 | 2430ffe4 | Stefano Stabellini | if (vd->timer_interval < VNC_REFRESH_INTERVAL_BASE)
|
2185 | 2430ffe4 | Stefano Stabellini | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; |
2186 | 2430ffe4 | Stefano Stabellini | } else {
|
2187 | 2430ffe4 | Stefano Stabellini | vd->timer_interval += VNC_REFRESH_INTERVAL_INC; |
2188 | 2430ffe4 | Stefano Stabellini | if (vd->timer_interval > VNC_REFRESH_INTERVAL_MAX)
|
2189 | 2430ffe4 | Stefano Stabellini | vd->timer_interval = VNC_REFRESH_INTERVAL_MAX; |
2190 | 2430ffe4 | Stefano Stabellini | } |
2191 | 2430ffe4 | Stefano Stabellini | qemu_mod_timer(vd->timer, qemu_get_clock(rt_clock) + vd->timer_interval); |
2192 | 703bc68f | Stefano Stabellini | } |
2193 | 703bc68f | Stefano Stabellini | |
2194 | 703bc68f | Stefano Stabellini | static void vnc_init_timer(VncDisplay *vd) |
2195 | 703bc68f | Stefano Stabellini | { |
2196 | 2430ffe4 | Stefano Stabellini | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; |
2197 | 41b4bef6 | Amit Shah | if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) { |
2198 | 703bc68f | Stefano Stabellini | vd->timer = qemu_new_timer(rt_clock, vnc_refresh, vd); |
2199 | 1fc62412 | Stefano Stabellini | vnc_refresh(vd); |
2200 | 703bc68f | Stefano Stabellini | } |
2201 | 703bc68f | Stefano Stabellini | } |
2202 | 703bc68f | Stefano Stabellini | |
2203 | 703bc68f | Stefano Stabellini | static void vnc_remove_timer(VncDisplay *vd) |
2204 | 703bc68f | Stefano Stabellini | { |
2205 | 41b4bef6 | Amit Shah | if (vd->timer != NULL && QTAILQ_EMPTY(&vd->clients)) { |
2206 | 703bc68f | Stefano Stabellini | qemu_del_timer(vd->timer); |
2207 | 703bc68f | Stefano Stabellini | qemu_free_timer(vd->timer); |
2208 | 703bc68f | Stefano Stabellini | vd->timer = NULL;
|
2209 | 703bc68f | Stefano Stabellini | } |
2210 | 703bc68f | Stefano Stabellini | } |
2211 | 703bc68f | Stefano Stabellini | |
2212 | 753b4053 | aliguori | static void vnc_connect(VncDisplay *vd, int csock) |
2213 | 3aa3eea3 | balrog | { |
2214 | 753b4053 | aliguori | VncState *vs = qemu_mallocz(sizeof(VncState));
|
2215 | 753b4053 | aliguori | vs->csock = csock; |
2216 | 753b4053 | aliguori | |
2217 | 753b4053 | aliguori | VNC_DEBUG("New client on socket %d\n", csock);
|
2218 | 7d957bd8 | aliguori | dcl->idle = 0;
|
2219 | 3aa3eea3 | balrog | socket_set_nonblock(vs->csock); |
2220 | 3aa3eea3 | balrog | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
2221 | 753b4053 | aliguori | |
2222 | 4a80dba3 | Luiz Capitulino | vnc_client_cache_addr(vs); |
2223 | 586153d9 | Luiz Capitulino | vnc_qmp_event(vs, QEVENT_VNC_CONNECTED); |
2224 | 4a80dba3 | Luiz Capitulino | |
2225 | 753b4053 | aliguori | vs->vd = vd; |
2226 | 753b4053 | aliguori | vs->ds = vd->ds; |
2227 | 753b4053 | aliguori | vs->last_x = -1;
|
2228 | 753b4053 | aliguori | vs->last_y = -1;
|
2229 | 753b4053 | aliguori | |
2230 | 753b4053 | aliguori | vs->as.freq = 44100;
|
2231 | 753b4053 | aliguori | vs->as.nchannels = 2;
|
2232 | 753b4053 | aliguori | vs->as.fmt = AUD_FMT_S16; |
2233 | 753b4053 | aliguori | vs->as.endianness = 0;
|
2234 | 753b4053 | aliguori | |
2235 | 41b4bef6 | Amit Shah | QTAILQ_INSERT_HEAD(&vd->clients, vs, next); |
2236 | 1fc62412 | Stefano Stabellini | |
2237 | 1fc62412 | Stefano Stabellini | vga_hw_update(); |
2238 | 1fc62412 | Stefano Stabellini | |
2239 | 3aa3eea3 | balrog | vnc_write(vs, "RFB 003.008\n", 12); |
2240 | 3aa3eea3 | balrog | vnc_flush(vs); |
2241 | 3aa3eea3 | balrog | vnc_read_when(vs, protocol_version, 12);
|
2242 | 53762ddb | malc | reset_keys(vs); |
2243 | 3a0558b5 | Gerd Hoffmann | if (vs->vd->lock_key_sync)
|
2244 | 3a0558b5 | Gerd Hoffmann | vs->led = qemu_add_led_event_handler(kbd_leds, vs); |
2245 | 753b4053 | aliguori | |
2246 | 37c34d9d | Anthony Liguori | vs->mouse_mode_notifier.notify = check_pointer_type_change; |
2247 | 37c34d9d | Anthony Liguori | qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier); |
2248 | 37c34d9d | Anthony Liguori | |
2249 | 703bc68f | Stefano Stabellini | vnc_init_timer(vd); |
2250 | 1fc62412 | Stefano Stabellini | |
2251 | 198a0039 | Gerd Hoffmann | /* vs might be free()ed here */
|
2252 | 3aa3eea3 | balrog | } |
2253 | 3aa3eea3 | balrog | |
2254 | 24236869 | bellard | static void vnc_listen_read(void *opaque) |
2255 | 24236869 | bellard | { |
2256 | 753b4053 | aliguori | VncDisplay *vs = opaque; |
2257 | 24236869 | bellard | struct sockaddr_in addr;
|
2258 | 24236869 | bellard | socklen_t addrlen = sizeof(addr);
|
2259 | 24236869 | bellard | |
2260 | 9f60ad50 | balrog | /* Catch-up */
|
2261 | 9f60ad50 | balrog | vga_hw_update(); |
2262 | 9f60ad50 | balrog | |
2263 | 40ff6d7e | Kevin Wolf | int csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen); |
2264 | 753b4053 | aliguori | if (csock != -1) { |
2265 | 753b4053 | aliguori | vnc_connect(vs, csock); |
2266 | 24236869 | bellard | } |
2267 | 24236869 | bellard | } |
2268 | 24236869 | bellard | |
2269 | 71cab5ca | ths | void vnc_display_init(DisplayState *ds)
|
2270 | 24236869 | bellard | { |
2271 | afd32160 | Stefan Weil | VncDisplay *vs = qemu_mallocz(sizeof(*vs));
|
2272 | 24236869 | bellard | |
2273 | 7d957bd8 | aliguori | dcl = qemu_mallocz(sizeof(DisplayChangeListener));
|
2274 | 24236869 | bellard | |
2275 | 24236869 | bellard | ds->opaque = vs; |
2276 | 7d957bd8 | aliguori | dcl->idle = 1;
|
2277 | 753b4053 | aliguori | vnc_display = vs; |
2278 | 24236869 | bellard | |
2279 | 24236869 | bellard | vs->lsock = -1;
|
2280 | 24236869 | bellard | |
2281 | 24236869 | bellard | vs->ds = ds; |
2282 | 41b4bef6 | Amit Shah | QTAILQ_INIT(&vs->clients); |
2283 | 24236869 | bellard | |
2284 | 9ca313aa | aliguori | if (keyboard_layout)
|
2285 | 0483755a | aliguori | vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); |
2286 | 9ca313aa | aliguori | else
|
2287 | 0483755a | aliguori | vs->kbd_layout = init_keyboard_layout(name2keysym, "en-us");
|
2288 | 24236869 | bellard | |
2289 | 24236869 | bellard | if (!vs->kbd_layout)
|
2290 | 28a76be8 | aliguori | exit(1);
|
2291 | 24236869 | bellard | |
2292 | 753b4053 | aliguori | dcl->dpy_copy = vnc_dpy_copy; |
2293 | 7d957bd8 | aliguori | dcl->dpy_update = vnc_dpy_update; |
2294 | 7d957bd8 | aliguori | dcl->dpy_resize = vnc_dpy_resize; |
2295 | 7d957bd8 | aliguori | dcl->dpy_setdata = vnc_dpy_setdata; |
2296 | 7d957bd8 | aliguori | register_displaychangelistener(ds, dcl); |
2297 | 71cab5ca | ths | } |
2298 | 71cab5ca | ths | |
2299 | 6f43024c | ths | |
2300 | 71cab5ca | ths | void vnc_display_close(DisplayState *ds)
|
2301 | 71cab5ca | ths | { |
2302 | 753b4053 | aliguori | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
2303 | 71cab5ca | ths | |
2304 | 452b4d88 | aliguori | if (!vs)
|
2305 | 452b4d88 | aliguori | return;
|
2306 | 71cab5ca | ths | if (vs->display) {
|
2307 | 28a76be8 | aliguori | qemu_free(vs->display); |
2308 | 28a76be8 | aliguori | vs->display = NULL;
|
2309 | 71cab5ca | ths | } |
2310 | 71cab5ca | ths | if (vs->lsock != -1) { |
2311 | 28a76be8 | aliguori | qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL); |
2312 | 28a76be8 | aliguori | close(vs->lsock); |
2313 | 28a76be8 | aliguori | vs->lsock = -1;
|
2314 | 71cab5ca | ths | } |
2315 | 70848515 | ths | vs->auth = VNC_AUTH_INVALID; |
2316 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
2317 | 8d5d2d4c | ths | vs->subauth = VNC_AUTH_INVALID; |
2318 | 5fb6c7a8 | aliguori | vs->tls.x509verify = 0;
|
2319 | 8d5d2d4c | ths | #endif
|
2320 | 70848515 | ths | } |
2321 | 70848515 | ths | |
2322 | 70848515 | ths | int vnc_display_password(DisplayState *ds, const char *password) |
2323 | 70848515 | ths | { |
2324 | 753b4053 | aliguori | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
2325 | 70848515 | ths | |
2326 | 7ef92331 | Zachary Amsden | if (!vs) {
|
2327 | 7ef92331 | Zachary Amsden | return -1; |
2328 | 7ef92331 | Zachary Amsden | } |
2329 | 7ef92331 | Zachary Amsden | |
2330 | 70848515 | ths | if (vs->password) {
|
2331 | 28a76be8 | aliguori | qemu_free(vs->password); |
2332 | 28a76be8 | aliguori | vs->password = NULL;
|
2333 | 70848515 | ths | } |
2334 | 70848515 | ths | if (password && password[0]) { |
2335 | 28a76be8 | aliguori | if (!(vs->password = qemu_strdup(password)))
|
2336 | 28a76be8 | aliguori | return -1; |
2337 | 52c18be9 | Zachary Amsden | if (vs->auth == VNC_AUTH_NONE) {
|
2338 | 52c18be9 | Zachary Amsden | vs->auth = VNC_AUTH_VNC; |
2339 | 52c18be9 | Zachary Amsden | } |
2340 | 52c18be9 | Zachary Amsden | } else {
|
2341 | 52c18be9 | Zachary Amsden | vs->auth = VNC_AUTH_NONE; |
2342 | 70848515 | ths | } |
2343 | 70848515 | ths | |
2344 | 70848515 | ths | return 0; |
2345 | 71cab5ca | ths | } |
2346 | 71cab5ca | ths | |
2347 | f92f8afe | Anthony Liguori | char *vnc_display_local_addr(DisplayState *ds)
|
2348 | f92f8afe | Anthony Liguori | { |
2349 | f92f8afe | Anthony Liguori | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
2350 | f92f8afe | Anthony Liguori | |
2351 | f92f8afe | Anthony Liguori | return vnc_socket_local_addr("%s:%s", vs->lsock); |
2352 | f92f8afe | Anthony Liguori | } |
2353 | f92f8afe | Anthony Liguori | |
2354 | 70848515 | ths | int vnc_display_open(DisplayState *ds, const char *display) |
2355 | 71cab5ca | ths | { |
2356 | 753b4053 | aliguori | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
2357 | 70848515 | ths | const char *options; |
2358 | 70848515 | ths | int password = 0; |
2359 | 3aa3eea3 | balrog | int reverse = 0; |
2360 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
2361 | 3a702699 | ths | int tls = 0, x509 = 0; |
2362 | 8d5d2d4c | ths | #endif
|
2363 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_SASL
|
2364 | 2f9606b3 | aliguori | int sasl = 0; |
2365 | 2f9606b3 | aliguori | int saslErr;
|
2366 | 2f9606b3 | aliguori | #endif
|
2367 | 76655d6d | aliguori | int acl = 0; |
2368 | 3a0558b5 | Gerd Hoffmann | int lock_key_sync = 1; |
2369 | 71cab5ca | ths | |
2370 | 753b4053 | aliguori | if (!vnc_display)
|
2371 | 452b4d88 | aliguori | return -1; |
2372 | 71cab5ca | ths | vnc_display_close(ds); |
2373 | 70848515 | ths | if (strcmp(display, "none") == 0) |
2374 | 28a76be8 | aliguori | return 0; |
2375 | 24236869 | bellard | |
2376 | 70848515 | ths | if (!(vs->display = strdup(display)))
|
2377 | 28a76be8 | aliguori | return -1; |
2378 | 70848515 | ths | |
2379 | 70848515 | ths | options = display; |
2380 | 70848515 | ths | while ((options = strchr(options, ','))) { |
2381 | 28a76be8 | aliguori | options++; |
2382 | 28a76be8 | aliguori | if (strncmp(options, "password", 8) == 0) { |
2383 | 28a76be8 | aliguori | password = 1; /* Require password auth */ |
2384 | 28a76be8 | aliguori | } else if (strncmp(options, "reverse", 7) == 0) { |
2385 | 28a76be8 | aliguori | reverse = 1;
|
2386 | 3a0558b5 | Gerd Hoffmann | } else if (strncmp(options, "no-lock-key-sync", 9) == 0) { |
2387 | 3a0558b5 | Gerd Hoffmann | lock_key_sync = 0;
|
2388 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_SASL
|
2389 | 28a76be8 | aliguori | } else if (strncmp(options, "sasl", 4) == 0) { |
2390 | 28a76be8 | aliguori | sasl = 1; /* Require SASL auth */ |
2391 | 2f9606b3 | aliguori | #endif
|
2392 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
2393 | 28a76be8 | aliguori | } else if (strncmp(options, "tls", 3) == 0) { |
2394 | 28a76be8 | aliguori | tls = 1; /* Require TLS */ |
2395 | 28a76be8 | aliguori | } else if (strncmp(options, "x509", 4) == 0) { |
2396 | 28a76be8 | aliguori | char *start, *end;
|
2397 | 28a76be8 | aliguori | x509 = 1; /* Require x509 certificates */ |
2398 | 28a76be8 | aliguori | if (strncmp(options, "x509verify", 10) == 0) |
2399 | 28a76be8 | aliguori | vs->tls.x509verify = 1; /* ...and verify client certs */ |
2400 | 28a76be8 | aliguori | |
2401 | 28a76be8 | aliguori | /* Now check for 'x509=/some/path' postfix
|
2402 | 28a76be8 | aliguori | * and use that to setup x509 certificate/key paths */
|
2403 | 28a76be8 | aliguori | start = strchr(options, '=');
|
2404 | 28a76be8 | aliguori | end = strchr(options, ',');
|
2405 | 28a76be8 | aliguori | if (start && (!end || (start < end))) {
|
2406 | 28a76be8 | aliguori | int len = end ? end-(start+1) : strlen(start+1); |
2407 | 28a76be8 | aliguori | char *path = qemu_strndup(start + 1, len); |
2408 | 28a76be8 | aliguori | |
2409 | 28a76be8 | aliguori | VNC_DEBUG("Trying certificate path '%s'\n", path);
|
2410 | 28a76be8 | aliguori | if (vnc_tls_set_x509_creds_dir(vs, path) < 0) { |
2411 | 28a76be8 | aliguori | fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path);
|
2412 | 28a76be8 | aliguori | qemu_free(path); |
2413 | 28a76be8 | aliguori | qemu_free(vs->display); |
2414 | 28a76be8 | aliguori | vs->display = NULL;
|
2415 | 28a76be8 | aliguori | return -1; |
2416 | 28a76be8 | aliguori | } |
2417 | 28a76be8 | aliguori | qemu_free(path); |
2418 | 28a76be8 | aliguori | } else {
|
2419 | 28a76be8 | aliguori | fprintf(stderr, "No certificate path provided\n");
|
2420 | 28a76be8 | aliguori | qemu_free(vs->display); |
2421 | 28a76be8 | aliguori | vs->display = NULL;
|
2422 | 28a76be8 | aliguori | return -1; |
2423 | 28a76be8 | aliguori | } |
2424 | 8d5d2d4c | ths | #endif
|
2425 | 28a76be8 | aliguori | } else if (strncmp(options, "acl", 3) == 0) { |
2426 | 28a76be8 | aliguori | acl = 1;
|
2427 | 28a76be8 | aliguori | } |
2428 | 70848515 | ths | } |
2429 | 70848515 | ths | |
2430 | 76655d6d | aliguori | #ifdef CONFIG_VNC_TLS
|
2431 | 76655d6d | aliguori | if (acl && x509 && vs->tls.x509verify) {
|
2432 | 28a76be8 | aliguori | if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) { |
2433 | 28a76be8 | aliguori | fprintf(stderr, "Failed to create x509 dname ACL\n");
|
2434 | 28a76be8 | aliguori | exit(1);
|
2435 | 28a76be8 | aliguori | } |
2436 | 76655d6d | aliguori | } |
2437 | 76655d6d | aliguori | #endif
|
2438 | 76655d6d | aliguori | #ifdef CONFIG_VNC_SASL
|
2439 | 76655d6d | aliguori | if (acl && sasl) {
|
2440 | 28a76be8 | aliguori | if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) { |
2441 | 28a76be8 | aliguori | fprintf(stderr, "Failed to create username ACL\n");
|
2442 | 28a76be8 | aliguori | exit(1);
|
2443 | 28a76be8 | aliguori | } |
2444 | 76655d6d | aliguori | } |
2445 | 76655d6d | aliguori | #endif
|
2446 | 76655d6d | aliguori | |
2447 | 2f9606b3 | aliguori | /*
|
2448 | 2f9606b3 | aliguori | * Combinations we support here:
|
2449 | 2f9606b3 | aliguori | *
|
2450 | 2f9606b3 | aliguori | * - no-auth (clear text, no auth)
|
2451 | 2f9606b3 | aliguori | * - password (clear text, weak auth)
|
2452 | 2f9606b3 | aliguori | * - sasl (encrypt, good auth *IF* using Kerberos via GSSAPI)
|
2453 | 2f9606b3 | aliguori | * - tls (encrypt, weak anonymous creds, no auth)
|
2454 | 2f9606b3 | aliguori | * - tls + password (encrypt, weak anonymous creds, weak auth)
|
2455 | 2f9606b3 | aliguori | * - tls + sasl (encrypt, weak anonymous creds, good auth)
|
2456 | 2f9606b3 | aliguori | * - tls + x509 (encrypt, good x509 creds, no auth)
|
2457 | 2f9606b3 | aliguori | * - tls + x509 + password (encrypt, good x509 creds, weak auth)
|
2458 | 2f9606b3 | aliguori | * - tls + x509 + sasl (encrypt, good x509 creds, good auth)
|
2459 | 2f9606b3 | aliguori | *
|
2460 | 2f9606b3 | aliguori | * NB1. TLS is a stackable auth scheme.
|
2461 | 2f9606b3 | aliguori | * NB2. the x509 schemes have option to validate a client cert dname
|
2462 | 2f9606b3 | aliguori | */
|
2463 | 70848515 | ths | if (password) {
|
2464 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
2465 | 28a76be8 | aliguori | if (tls) {
|
2466 | 28a76be8 | aliguori | vs->auth = VNC_AUTH_VENCRYPT; |
2467 | 28a76be8 | aliguori | if (x509) {
|
2468 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with x509 password auth\n");
|
2469 | 28a76be8 | aliguori | vs->subauth = VNC_AUTH_VENCRYPT_X509VNC; |
2470 | 28a76be8 | aliguori | } else {
|
2471 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with TLS password auth\n");
|
2472 | 28a76be8 | aliguori | vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC; |
2473 | 28a76be8 | aliguori | } |
2474 | 28a76be8 | aliguori | } else {
|
2475 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_TLS */ |
2476 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with password auth\n");
|
2477 | 28a76be8 | aliguori | vs->auth = VNC_AUTH_VNC; |
2478 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
2479 | 28a76be8 | aliguori | vs->subauth = VNC_AUTH_INVALID; |
2480 | 28a76be8 | aliguori | } |
2481 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_TLS */ |
2482 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_SASL
|
2483 | 2f9606b3 | aliguori | } else if (sasl) { |
2484 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_TLS
|
2485 | 2f9606b3 | aliguori | if (tls) {
|
2486 | 2f9606b3 | aliguori | vs->auth = VNC_AUTH_VENCRYPT; |
2487 | 2f9606b3 | aliguori | if (x509) {
|
2488 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with x509 SASL auth\n");
|
2489 | 2f9606b3 | aliguori | vs->subauth = VNC_AUTH_VENCRYPT_X509SASL; |
2490 | 2f9606b3 | aliguori | } else {
|
2491 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with TLS SASL auth\n");
|
2492 | 2f9606b3 | aliguori | vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL; |
2493 | 2f9606b3 | aliguori | } |
2494 | 2f9606b3 | aliguori | } else {
|
2495 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_TLS */ |
2496 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with SASL auth\n");
|
2497 | 2f9606b3 | aliguori | vs->auth = VNC_AUTH_SASL; |
2498 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_TLS
|
2499 | 2f9606b3 | aliguori | vs->subauth = VNC_AUTH_INVALID; |
2500 | 2f9606b3 | aliguori | } |
2501 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_TLS */ |
2502 | 2f9606b3 | aliguori | #endif /* CONFIG_VNC_SASL */ |
2503 | 70848515 | ths | } else {
|
2504 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
2505 | 28a76be8 | aliguori | if (tls) {
|
2506 | 28a76be8 | aliguori | vs->auth = VNC_AUTH_VENCRYPT; |
2507 | 28a76be8 | aliguori | if (x509) {
|
2508 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with x509 no auth\n");
|
2509 | 28a76be8 | aliguori | vs->subauth = VNC_AUTH_VENCRYPT_X509NONE; |
2510 | 28a76be8 | aliguori | } else {
|
2511 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with TLS no auth\n");
|
2512 | 28a76be8 | aliguori | vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE; |
2513 | 28a76be8 | aliguori | } |
2514 | 28a76be8 | aliguori | } else {
|
2515 | 8d5d2d4c | ths | #endif
|
2516 | 28a76be8 | aliguori | VNC_DEBUG("Initializing VNC server with no auth\n");
|
2517 | 28a76be8 | aliguori | vs->auth = VNC_AUTH_NONE; |
2518 | eb38c52c | blueswir1 | #ifdef CONFIG_VNC_TLS
|
2519 | 28a76be8 | aliguori | vs->subauth = VNC_AUTH_INVALID; |
2520 | 28a76be8 | aliguori | } |
2521 | 8d5d2d4c | ths | #endif
|
2522 | 70848515 | ths | } |
2523 | 24236869 | bellard | |
2524 | 2f9606b3 | aliguori | #ifdef CONFIG_VNC_SASL
|
2525 | 2f9606b3 | aliguori | if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) { |
2526 | 2f9606b3 | aliguori | fprintf(stderr, "Failed to initialize SASL auth %s",
|
2527 | 2f9606b3 | aliguori | sasl_errstring(saslErr, NULL, NULL)); |
2528 | 2f9606b3 | aliguori | free(vs->display); |
2529 | 2f9606b3 | aliguori | vs->display = NULL;
|
2530 | 2f9606b3 | aliguori | return -1; |
2531 | 2f9606b3 | aliguori | } |
2532 | 2f9606b3 | aliguori | #endif
|
2533 | 3a0558b5 | Gerd Hoffmann | vs->lock_key_sync = lock_key_sync; |
2534 | 2f9606b3 | aliguori | |
2535 | 3aa3eea3 | balrog | if (reverse) {
|
2536 | 9712ecaf | aliguori | /* connect to viewer */
|
2537 | 9712ecaf | aliguori | if (strncmp(display, "unix:", 5) == 0) |
2538 | 9712ecaf | aliguori | vs->lsock = unix_connect(display+5);
|
2539 | 9712ecaf | aliguori | else
|
2540 | 9712ecaf | aliguori | vs->lsock = inet_connect(display, SOCK_STREAM); |
2541 | 9712ecaf | aliguori | if (-1 == vs->lsock) { |
2542 | 3aa3eea3 | balrog | free(vs->display); |
2543 | 3aa3eea3 | balrog | vs->display = NULL;
|
2544 | 3aa3eea3 | balrog | return -1; |
2545 | 3aa3eea3 | balrog | } else {
|
2546 | 753b4053 | aliguori | int csock = vs->lsock;
|
2547 | 3aa3eea3 | balrog | vs->lsock = -1;
|
2548 | 753b4053 | aliguori | vnc_connect(vs, csock); |
2549 | 3aa3eea3 | balrog | } |
2550 | 9712ecaf | aliguori | return 0; |
2551 | 24236869 | bellard | |
2552 | 9712ecaf | aliguori | } else {
|
2553 | 9712ecaf | aliguori | /* listen for connects */
|
2554 | 9712ecaf | aliguori | char *dpy;
|
2555 | 9712ecaf | aliguori | dpy = qemu_malloc(256);
|
2556 | 9712ecaf | aliguori | if (strncmp(display, "unix:", 5) == 0) { |
2557 | bc575e95 | blueswir1 | pstrcpy(dpy, 256, "unix:"); |
2558 | 4a55bfdf | aliguori | vs->lsock = unix_listen(display+5, dpy+5, 256-5); |
2559 | 9712ecaf | aliguori | } else {
|
2560 | 9712ecaf | aliguori | vs->lsock = inet_listen(display, dpy, 256, SOCK_STREAM, 5900); |
2561 | 9712ecaf | aliguori | } |
2562 | 9712ecaf | aliguori | if (-1 == vs->lsock) { |
2563 | 9712ecaf | aliguori | free(dpy); |
2564 | d0513623 | balrog | return -1; |
2565 | 9712ecaf | aliguori | } else {
|
2566 | 9712ecaf | aliguori | free(vs->display); |
2567 | 9712ecaf | aliguori | vs->display = dpy; |
2568 | 9712ecaf | aliguori | } |
2569 | 24236869 | bellard | } |
2570 | 753b4053 | aliguori | return qemu_set_fd_handler2(vs->lsock, NULL, vnc_listen_read, NULL, vs); |
2571 | 24236869 | bellard | } |