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1 | 7d510b8c | bellard | /*
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2 | 7d510b8c | bellard | * QEMU VNC display driver
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3 | 5fafdf24 | ths | *
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4 | 7d510b8c | bellard | * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>
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5 | 7d510b8c | bellard | * Copyright (C) 2006 Fabrice Bellard
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6 | 5fafdf24 | ths | *
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7 | 7d510b8c | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 | 7d510b8c | bellard | * of this software and associated documentation files (the "Software"), to deal
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9 | 7d510b8c | bellard | * in the Software without restriction, including without limitation the rights
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10 | 7d510b8c | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 | 7d510b8c | bellard | * copies of the Software, and to permit persons to whom the Software is
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12 | 7d510b8c | bellard | * furnished to do so, subject to the following conditions:
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13 | 7d510b8c | bellard | *
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14 | 7d510b8c | bellard | * The above copyright notice and this permission notice shall be included in
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15 | 7d510b8c | bellard | * all copies or substantial portions of the Software.
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16 | 7d510b8c | bellard | *
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17 | 7d510b8c | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 | 7d510b8c | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 | 7d510b8c | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 | 7d510b8c | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 | 7d510b8c | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 | 7d510b8c | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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23 | 7d510b8c | bellard | * THE SOFTWARE.
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24 | 7d510b8c | bellard | */
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25 | 7d510b8c | bellard | |
26 | 24236869 | bellard | #include "vl.h" |
27 | 6ca957f0 | bellard | #include "qemu_socket.h" |
28 | 24236869 | bellard | |
29 | 24236869 | bellard | #define VNC_REFRESH_INTERVAL (1000 / 30) |
30 | 24236869 | bellard | |
31 | 24236869 | bellard | #include "vnc_keysym.h" |
32 | 24236869 | bellard | #include "keymaps.c" |
33 | 70848515 | ths | #include "d3des.h" |
34 | 70848515 | ths | |
35 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
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36 | 8d5d2d4c | ths | #include <gnutls/gnutls.h> |
37 | 8d5d2d4c | ths | #include <gnutls/x509.h> |
38 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
39 | 70848515 | ths | |
40 | 8d5d2d4c | ths | // #define _VNC_DEBUG 1
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41 | 8d5d2d4c | ths | |
42 | 8d5d2d4c | ths | #if _VNC_DEBUG
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43 | 70848515 | ths | #define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) |
44 | 8d5d2d4c | ths | |
45 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS && _VNC_DEBUG >= 2 |
46 | 8d5d2d4c | ths | /* Very verbose, so only enabled for _VNC_DEBUG >= 2 */
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47 | 8d5d2d4c | ths | static void vnc_debug_gnutls_log(int level, const char* str) { |
48 | 8d5d2d4c | ths | VNC_DEBUG("%d %s", level, str);
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49 | 8d5d2d4c | ths | } |
50 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS && _VNC_DEBUG */ |
51 | 70848515 | ths | #else
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52 | 70848515 | ths | #define VNC_DEBUG(fmt, ...) do { } while (0) |
53 | 70848515 | ths | #endif
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54 | 24236869 | bellard | |
55 | 8d5d2d4c | ths | |
56 | 24236869 | bellard | typedef struct Buffer |
57 | 24236869 | bellard | { |
58 | 24236869 | bellard | size_t capacity; |
59 | 24236869 | bellard | size_t offset; |
60 | 24236869 | bellard | char *buffer;
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61 | 24236869 | bellard | } Buffer; |
62 | 24236869 | bellard | |
63 | 24236869 | bellard | typedef struct VncState VncState; |
64 | 24236869 | bellard | |
65 | 24236869 | bellard | typedef int VncReadEvent(VncState *vs, char *data, size_t len); |
66 | 24236869 | bellard | |
67 | 3512779a | bellard | typedef void VncWritePixels(VncState *vs, void *data, int size); |
68 | 3512779a | bellard | |
69 | 3512779a | bellard | typedef void VncSendHextileTile(VncState *vs, |
70 | 3512779a | bellard | int x, int y, int w, int h, |
71 | 5fafdf24 | ths | uint32_t *last_bg, |
72 | 3512779a | bellard | uint32_t *last_fg, |
73 | 3512779a | bellard | int *has_bg, int *has_fg); |
74 | 3512779a | bellard | |
75 | 99589bdc | bellard | #define VNC_MAX_WIDTH 2048 |
76 | 99589bdc | bellard | #define VNC_MAX_HEIGHT 2048 |
77 | 99589bdc | bellard | #define VNC_DIRTY_WORDS (VNC_MAX_WIDTH / (16 * 32)) |
78 | 99589bdc | bellard | |
79 | 70848515 | ths | #define VNC_AUTH_CHALLENGE_SIZE 16 |
80 | 70848515 | ths | |
81 | 70848515 | ths | enum {
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82 | 70848515 | ths | VNC_AUTH_INVALID = 0,
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83 | 70848515 | ths | VNC_AUTH_NONE = 1,
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84 | 70848515 | ths | VNC_AUTH_VNC = 2,
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85 | 70848515 | ths | VNC_AUTH_RA2 = 5,
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86 | 70848515 | ths | VNC_AUTH_RA2NE = 6,
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87 | 70848515 | ths | VNC_AUTH_TIGHT = 16,
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88 | 70848515 | ths | VNC_AUTH_ULTRA = 17,
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89 | 70848515 | ths | VNC_AUTH_TLS = 18,
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90 | 70848515 | ths | VNC_AUTH_VENCRYPT = 19
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91 | 70848515 | ths | }; |
92 | 70848515 | ths | |
93 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
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94 | 8d5d2d4c | ths | enum {
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95 | 8d5d2d4c | ths | VNC_WIREMODE_CLEAR, |
96 | 8d5d2d4c | ths | VNC_WIREMODE_TLS, |
97 | 8d5d2d4c | ths | }; |
98 | 8d5d2d4c | ths | |
99 | 8d5d2d4c | ths | enum {
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100 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_PLAIN = 256,
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101 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_TLSNONE = 257,
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102 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_TLSVNC = 258,
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103 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_TLSPLAIN = 259,
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104 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_X509NONE = 260,
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105 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_X509VNC = 261,
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106 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_X509PLAIN = 262,
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107 | 8d5d2d4c | ths | }; |
108 | 3a702699 | ths | |
109 | 3a702699 | ths | #if CONFIG_VNC_TLS
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110 | 3a702699 | ths | #define X509_CA_CERT_FILE "ca-cert.pem" |
111 | 3a702699 | ths | #define X509_CA_CRL_FILE "ca-crl.pem" |
112 | 3a702699 | ths | #define X509_SERVER_KEY_FILE "server-key.pem" |
113 | 3a702699 | ths | #define X509_SERVER_CERT_FILE "server-cert.pem" |
114 | 3a702699 | ths | #endif
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115 | 3a702699 | ths | |
116 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
117 | 8d5d2d4c | ths | |
118 | 24236869 | bellard | struct VncState
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119 | 24236869 | bellard | { |
120 | 24236869 | bellard | QEMUTimer *timer; |
121 | 24236869 | bellard | int lsock;
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122 | 24236869 | bellard | int csock;
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123 | 24236869 | bellard | DisplayState *ds; |
124 | 24236869 | bellard | int need_update;
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125 | 24236869 | bellard | int width;
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126 | 24236869 | bellard | int height;
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127 | 99589bdc | bellard | uint32_t dirty_row[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS]; |
128 | 24236869 | bellard | char *old_data;
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129 | 3512779a | bellard | int depth; /* internal VNC frame buffer byte per pixel */ |
130 | 24236869 | bellard | int has_resize;
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131 | 24236869 | bellard | int has_hextile;
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132 | 564c337e | bellard | int has_pointer_type_change;
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133 | 564c337e | bellard | int absolute;
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134 | 564c337e | bellard | int last_x;
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135 | 564c337e | bellard | int last_y;
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136 | 564c337e | bellard | |
137 | 70848515 | ths | int major;
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138 | 70848515 | ths | int minor;
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139 | 70848515 | ths | |
140 | 71cab5ca | ths | char *display;
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141 | 70848515 | ths | char *password;
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142 | 70848515 | ths | int auth;
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143 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
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144 | 8d5d2d4c | ths | int subauth;
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145 | 469b15c6 | ths | int x509verify;
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146 | 6f43024c | ths | |
147 | 6f43024c | ths | char *x509cacert;
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148 | 6f43024c | ths | char *x509cacrl;
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149 | 6f43024c | ths | char *x509cert;
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150 | 6f43024c | ths | char *x509key;
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151 | 8d5d2d4c | ths | #endif
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152 | 70848515 | ths | char challenge[VNC_AUTH_CHALLENGE_SIZE];
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153 | a9ce8590 | bellard | |
154 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
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155 | 8d5d2d4c | ths | int wiremode;
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156 | 8d5d2d4c | ths | gnutls_session_t tls_session; |
157 | 8d5d2d4c | ths | #endif
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158 | 8d5d2d4c | ths | |
159 | 24236869 | bellard | Buffer output; |
160 | 24236869 | bellard | Buffer input; |
161 | 24236869 | bellard | kbd_layout_t *kbd_layout; |
162 | 3512779a | bellard | /* current output mode information */
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163 | 3512779a | bellard | VncWritePixels *write_pixels; |
164 | 3512779a | bellard | VncSendHextileTile *send_hextile_tile; |
165 | 3512779a | bellard | int pix_bpp, pix_big_endian;
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166 | 3512779a | bellard | int red_shift, red_max, red_shift1;
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167 | 3512779a | bellard | int green_shift, green_max, green_shift1;
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168 | 3512779a | bellard | int blue_shift, blue_max, blue_shift1;
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169 | 24236869 | bellard | |
170 | 24236869 | bellard | VncReadEvent *read_handler; |
171 | 24236869 | bellard | size_t read_handler_expect; |
172 | 64f5a135 | bellard | /* input */
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173 | 64f5a135 | bellard | uint8_t modifiers_state[256];
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174 | 24236869 | bellard | }; |
175 | 24236869 | bellard | |
176 | a9ce8590 | bellard | static VncState *vnc_state; /* needed for info vnc */ |
177 | a9ce8590 | bellard | |
178 | a9ce8590 | bellard | void do_info_vnc(void) |
179 | a9ce8590 | bellard | { |
180 | a9ce8590 | bellard | if (vnc_state == NULL) |
181 | a9ce8590 | bellard | term_printf("VNC server disabled\n");
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182 | a9ce8590 | bellard | else {
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183 | a9ce8590 | bellard | term_printf("VNC server active on: ");
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184 | a9ce8590 | bellard | term_print_filename(vnc_state->display); |
185 | a9ce8590 | bellard | term_printf("\n");
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186 | a9ce8590 | bellard | |
187 | a9ce8590 | bellard | if (vnc_state->csock == -1) |
188 | a9ce8590 | bellard | term_printf("No client connected\n");
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189 | a9ce8590 | bellard | else
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190 | a9ce8590 | bellard | term_printf("Client connected\n");
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191 | a9ce8590 | bellard | } |
192 | a9ce8590 | bellard | } |
193 | a9ce8590 | bellard | |
194 | 24236869 | bellard | /* TODO
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195 | 24236869 | bellard | 1) Get the queue working for IO.
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196 | 24236869 | bellard | 2) there is some weirdness when using the -S option (the screen is grey
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197 | 24236869 | bellard | and not totally invalidated
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198 | 24236869 | bellard | 3) resolutions > 1024
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199 | 24236869 | bellard | */
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200 | 24236869 | bellard | |
201 | 24236869 | bellard | static void vnc_write(VncState *vs, const void *data, size_t len); |
202 | 24236869 | bellard | static void vnc_write_u32(VncState *vs, uint32_t value); |
203 | 24236869 | bellard | static void vnc_write_s32(VncState *vs, int32_t value); |
204 | 24236869 | bellard | static void vnc_write_u16(VncState *vs, uint16_t value); |
205 | 24236869 | bellard | static void vnc_write_u8(VncState *vs, uint8_t value); |
206 | 24236869 | bellard | static void vnc_flush(VncState *vs); |
207 | 24236869 | bellard | static void vnc_update_client(void *opaque); |
208 | 24236869 | bellard | static void vnc_client_read(void *opaque); |
209 | 24236869 | bellard | |
210 | 99589bdc | bellard | static inline void vnc_set_bit(uint32_t *d, int k) |
211 | 99589bdc | bellard | { |
212 | 99589bdc | bellard | d[k >> 5] |= 1 << (k & 0x1f); |
213 | 99589bdc | bellard | } |
214 | 99589bdc | bellard | |
215 | 99589bdc | bellard | static inline void vnc_clear_bit(uint32_t *d, int k) |
216 | 99589bdc | bellard | { |
217 | 99589bdc | bellard | d[k >> 5] &= ~(1 << (k & 0x1f)); |
218 | 99589bdc | bellard | } |
219 | 99589bdc | bellard | |
220 | 99589bdc | bellard | static inline void vnc_set_bits(uint32_t *d, int n, int nb_words) |
221 | 99589bdc | bellard | { |
222 | 99589bdc | bellard | int j;
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223 | 99589bdc | bellard | |
224 | 99589bdc | bellard | j = 0;
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225 | 99589bdc | bellard | while (n >= 32) { |
226 | 99589bdc | bellard | d[j++] = -1;
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227 | 99589bdc | bellard | n -= 32;
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228 | 99589bdc | bellard | } |
229 | 5fafdf24 | ths | if (n > 0) |
230 | 99589bdc | bellard | d[j++] = (1 << n) - 1; |
231 | 99589bdc | bellard | while (j < nb_words)
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232 | 99589bdc | bellard | d[j++] = 0;
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233 | 99589bdc | bellard | } |
234 | 99589bdc | bellard | |
235 | 99589bdc | bellard | static inline int vnc_get_bit(const uint32_t *d, int k) |
236 | 99589bdc | bellard | { |
237 | 99589bdc | bellard | return (d[k >> 5] >> (k & 0x1f)) & 1; |
238 | 99589bdc | bellard | } |
239 | 99589bdc | bellard | |
240 | 5fafdf24 | ths | static inline int vnc_and_bits(const uint32_t *d1, const uint32_t *d2, |
241 | 99589bdc | bellard | int nb_words)
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242 | 99589bdc | bellard | { |
243 | 99589bdc | bellard | int i;
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244 | 99589bdc | bellard | for(i = 0; i < nb_words; i++) { |
245 | 99589bdc | bellard | if ((d1[i] & d2[i]) != 0) |
246 | 99589bdc | bellard | return 1; |
247 | 99589bdc | bellard | } |
248 | 99589bdc | bellard | return 0; |
249 | 99589bdc | bellard | } |
250 | 99589bdc | bellard | |
251 | 24236869 | bellard | static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h) |
252 | 24236869 | bellard | { |
253 | 24236869 | bellard | VncState *vs = ds->opaque; |
254 | 24236869 | bellard | int i;
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255 | 24236869 | bellard | |
256 | 24236869 | bellard | h += y; |
257 | 24236869 | bellard | |
258 | 24236869 | bellard | for (; y < h; y++)
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259 | 24236869 | bellard | for (i = 0; i < w; i += 16) |
260 | 99589bdc | bellard | vnc_set_bit(vs->dirty_row[y], (x + i) / 16);
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261 | 24236869 | bellard | } |
262 | 24236869 | bellard | |
263 | 24236869 | bellard | static void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
264 | 24236869 | bellard | int32_t encoding) |
265 | 24236869 | bellard | { |
266 | 24236869 | bellard | vnc_write_u16(vs, x); |
267 | 24236869 | bellard | vnc_write_u16(vs, y); |
268 | 24236869 | bellard | vnc_write_u16(vs, w); |
269 | 24236869 | bellard | vnc_write_u16(vs, h); |
270 | 24236869 | bellard | |
271 | 24236869 | bellard | vnc_write_s32(vs, encoding); |
272 | 24236869 | bellard | } |
273 | 24236869 | bellard | |
274 | 24236869 | bellard | static void vnc_dpy_resize(DisplayState *ds, int w, int h) |
275 | 24236869 | bellard | { |
276 | 73e14b62 | ths | int size_changed;
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277 | 24236869 | bellard | VncState *vs = ds->opaque; |
278 | 24236869 | bellard | |
279 | 24236869 | bellard | ds->data = realloc(ds->data, w * h * vs->depth); |
280 | 24236869 | bellard | vs->old_data = realloc(vs->old_data, w * h * vs->depth); |
281 | 24236869 | bellard | |
282 | 24236869 | bellard | if (ds->data == NULL || vs->old_data == NULL) { |
283 | 24236869 | bellard | fprintf(stderr, "vnc: memory allocation failed\n");
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284 | 24236869 | bellard | exit(1);
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285 | 24236869 | bellard | } |
286 | 24236869 | bellard | |
287 | 24236869 | bellard | ds->depth = vs->depth * 8;
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288 | 73e14b62 | ths | size_changed = ds->width != w || ds->height != h; |
289 | 24236869 | bellard | ds->width = w; |
290 | 24236869 | bellard | ds->height = h; |
291 | 24236869 | bellard | ds->linesize = w * vs->depth; |
292 | 73e14b62 | ths | if (vs->csock != -1 && vs->has_resize && size_changed) { |
293 | 24236869 | bellard | vnc_write_u8(vs, 0); /* msg id */ |
294 | 24236869 | bellard | vnc_write_u8(vs, 0);
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295 | 24236869 | bellard | vnc_write_u16(vs, 1); /* number of rects */ |
296 | 24236869 | bellard | vnc_framebuffer_update(vs, 0, 0, ds->width, ds->height, -223); |
297 | 24236869 | bellard | vnc_flush(vs); |
298 | 24236869 | bellard | vs->width = ds->width; |
299 | 24236869 | bellard | vs->height = ds->height; |
300 | 24236869 | bellard | } |
301 | 24236869 | bellard | } |
302 | 24236869 | bellard | |
303 | 3512779a | bellard | /* fastest code */
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304 | 3512779a | bellard | static void vnc_write_pixels_copy(VncState *vs, void *pixels, int size) |
305 | 3512779a | bellard | { |
306 | 3512779a | bellard | vnc_write(vs, pixels, size); |
307 | 3512779a | bellard | } |
308 | 3512779a | bellard | |
309 | 3512779a | bellard | /* slowest but generic code. */
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310 | 3512779a | bellard | static void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) |
311 | 3512779a | bellard | { |
312 | 3512779a | bellard | unsigned int r, g, b; |
313 | 3512779a | bellard | |
314 | 3512779a | bellard | r = (v >> vs->red_shift1) & vs->red_max; |
315 | 3512779a | bellard | g = (v >> vs->green_shift1) & vs->green_max; |
316 | 3512779a | bellard | b = (v >> vs->blue_shift1) & vs->blue_max; |
317 | 5fafdf24 | ths | v = (r << vs->red_shift) | |
318 | 5fafdf24 | ths | (g << vs->green_shift) | |
319 | 3512779a | bellard | (b << vs->blue_shift); |
320 | 3512779a | bellard | switch(vs->pix_bpp) {
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321 | 3512779a | bellard | case 1: |
322 | 3512779a | bellard | buf[0] = v;
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323 | 3512779a | bellard | break;
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324 | 3512779a | bellard | case 2: |
325 | 3512779a | bellard | if (vs->pix_big_endian) {
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326 | 3512779a | bellard | buf[0] = v >> 8; |
327 | 3512779a | bellard | buf[1] = v;
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328 | 3512779a | bellard | } else {
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329 | 3512779a | bellard | buf[1] = v >> 8; |
330 | 3512779a | bellard | buf[0] = v;
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331 | 3512779a | bellard | } |
332 | 3512779a | bellard | break;
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333 | 3512779a | bellard | default:
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334 | 3512779a | bellard | case 4: |
335 | 3512779a | bellard | if (vs->pix_big_endian) {
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336 | 3512779a | bellard | buf[0] = v >> 24; |
337 | 3512779a | bellard | buf[1] = v >> 16; |
338 | 3512779a | bellard | buf[2] = v >> 8; |
339 | 3512779a | bellard | buf[3] = v;
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340 | 3512779a | bellard | } else {
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341 | 3512779a | bellard | buf[3] = v >> 24; |
342 | 3512779a | bellard | buf[2] = v >> 16; |
343 | 3512779a | bellard | buf[1] = v >> 8; |
344 | 3512779a | bellard | buf[0] = v;
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345 | 3512779a | bellard | } |
346 | 3512779a | bellard | break;
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347 | 3512779a | bellard | } |
348 | 3512779a | bellard | } |
349 | 3512779a | bellard | |
350 | 3512779a | bellard | static void vnc_write_pixels_generic(VncState *vs, void *pixels1, int size) |
351 | 3512779a | bellard | { |
352 | 3512779a | bellard | uint32_t *pixels = pixels1; |
353 | 3512779a | bellard | uint8_t buf[4];
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354 | 3512779a | bellard | int n, i;
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355 | 3512779a | bellard | |
356 | 3512779a | bellard | n = size >> 2;
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357 | 3512779a | bellard | for(i = 0; i < n; i++) { |
358 | 3512779a | bellard | vnc_convert_pixel(vs, buf, pixels[i]); |
359 | 3512779a | bellard | vnc_write(vs, buf, vs->pix_bpp); |
360 | 3512779a | bellard | } |
361 | 3512779a | bellard | } |
362 | 3512779a | bellard | |
363 | 24236869 | bellard | static void send_framebuffer_update_raw(VncState *vs, int x, int y, int w, int h) |
364 | 24236869 | bellard | { |
365 | 24236869 | bellard | int i;
|
366 | 24236869 | bellard | char *row;
|
367 | 24236869 | bellard | |
368 | 24236869 | bellard | vnc_framebuffer_update(vs, x, y, w, h, 0);
|
369 | 24236869 | bellard | |
370 | 24236869 | bellard | row = vs->ds->data + y * vs->ds->linesize + x * vs->depth; |
371 | 24236869 | bellard | for (i = 0; i < h; i++) { |
372 | 3512779a | bellard | vs->write_pixels(vs, row, w * vs->depth); |
373 | 24236869 | bellard | row += vs->ds->linesize; |
374 | 24236869 | bellard | } |
375 | 24236869 | bellard | } |
376 | 24236869 | bellard | |
377 | 24236869 | bellard | static void hextile_enc_cord(uint8_t *ptr, int x, int y, int w, int h) |
378 | 24236869 | bellard | { |
379 | 24236869 | bellard | ptr[0] = ((x & 0x0F) << 4) | (y & 0x0F); |
380 | 24236869 | bellard | ptr[1] = (((w - 1) & 0x0F) << 4) | ((h - 1) & 0x0F); |
381 | 24236869 | bellard | } |
382 | 24236869 | bellard | |
383 | 24236869 | bellard | #define BPP 8 |
384 | 24236869 | bellard | #include "vnchextile.h" |
385 | 24236869 | bellard | #undef BPP
|
386 | 24236869 | bellard | |
387 | 24236869 | bellard | #define BPP 16 |
388 | 24236869 | bellard | #include "vnchextile.h" |
389 | 24236869 | bellard | #undef BPP
|
390 | 24236869 | bellard | |
391 | 24236869 | bellard | #define BPP 32 |
392 | 24236869 | bellard | #include "vnchextile.h" |
393 | 24236869 | bellard | #undef BPP
|
394 | 24236869 | bellard | |
395 | 3512779a | bellard | #define GENERIC
|
396 | 3512779a | bellard | #define BPP 32 |
397 | 3512779a | bellard | #include "vnchextile.h" |
398 | 3512779a | bellard | #undef BPP
|
399 | 3512779a | bellard | #undef GENERIC
|
400 | 3512779a | bellard | |
401 | 24236869 | bellard | static void send_framebuffer_update_hextile(VncState *vs, int x, int y, int w, int h) |
402 | 24236869 | bellard | { |
403 | 24236869 | bellard | int i, j;
|
404 | 24236869 | bellard | int has_fg, has_bg;
|
405 | 24236869 | bellard | uint32_t last_fg32, last_bg32; |
406 | 24236869 | bellard | |
407 | 24236869 | bellard | vnc_framebuffer_update(vs, x, y, w, h, 5);
|
408 | 24236869 | bellard | |
409 | 24236869 | bellard | has_fg = has_bg = 0;
|
410 | 24236869 | bellard | for (j = y; j < (y + h); j += 16) { |
411 | 24236869 | bellard | for (i = x; i < (x + w); i += 16) { |
412 | 5fafdf24 | ths | vs->send_hextile_tile(vs, i, j, |
413 | 3512779a | bellard | MIN(16, x + w - i), MIN(16, y + h - j), |
414 | 3512779a | bellard | &last_bg32, &last_fg32, &has_bg, &has_fg); |
415 | 24236869 | bellard | } |
416 | 24236869 | bellard | } |
417 | 24236869 | bellard | } |
418 | 24236869 | bellard | |
419 | 24236869 | bellard | static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
420 | 24236869 | bellard | { |
421 | 24236869 | bellard | if (vs->has_hextile)
|
422 | 24236869 | bellard | send_framebuffer_update_hextile(vs, x, y, w, h); |
423 | 24236869 | bellard | else
|
424 | 24236869 | bellard | send_framebuffer_update_raw(vs, x, y, w, h); |
425 | 24236869 | bellard | } |
426 | 24236869 | bellard | |
427 | 24236869 | bellard | static void vnc_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
428 | 24236869 | bellard | { |
429 | 24236869 | bellard | int src, dst;
|
430 | 24236869 | bellard | char *src_row;
|
431 | 24236869 | bellard | char *dst_row;
|
432 | 24236869 | bellard | char *old_row;
|
433 | 24236869 | bellard | int y = 0; |
434 | 24236869 | bellard | int pitch = ds->linesize;
|
435 | 24236869 | bellard | VncState *vs = ds->opaque; |
436 | 24236869 | bellard | |
437 | 24236869 | bellard | vnc_update_client(vs); |
438 | 24236869 | bellard | |
439 | 24236869 | bellard | if (dst_y > src_y) {
|
440 | 24236869 | bellard | y = h - 1;
|
441 | 24236869 | bellard | pitch = -pitch; |
442 | 24236869 | bellard | } |
443 | 24236869 | bellard | |
444 | 24236869 | bellard | src = (ds->linesize * (src_y + y) + vs->depth * src_x); |
445 | 24236869 | bellard | dst = (ds->linesize * (dst_y + y) + vs->depth * dst_x); |
446 | 24236869 | bellard | |
447 | 24236869 | bellard | src_row = ds->data + src; |
448 | 24236869 | bellard | dst_row = ds->data + dst; |
449 | 24236869 | bellard | old_row = vs->old_data + dst; |
450 | 24236869 | bellard | |
451 | 24236869 | bellard | for (y = 0; y < h; y++) { |
452 | 24236869 | bellard | memmove(old_row, src_row, w * vs->depth); |
453 | 24236869 | bellard | memmove(dst_row, src_row, w * vs->depth); |
454 | 24236869 | bellard | src_row += pitch; |
455 | 24236869 | bellard | dst_row += pitch; |
456 | 24236869 | bellard | old_row += pitch; |
457 | 24236869 | bellard | } |
458 | 24236869 | bellard | |
459 | 24236869 | bellard | vnc_write_u8(vs, 0); /* msg id */ |
460 | 24236869 | bellard | vnc_write_u8(vs, 0);
|
461 | 24236869 | bellard | vnc_write_u16(vs, 1); /* number of rects */ |
462 | 24236869 | bellard | vnc_framebuffer_update(vs, dst_x, dst_y, w, h, 1);
|
463 | 24236869 | bellard | vnc_write_u16(vs, src_x); |
464 | 24236869 | bellard | vnc_write_u16(vs, src_y); |
465 | 24236869 | bellard | vnc_flush(vs); |
466 | 24236869 | bellard | } |
467 | 24236869 | bellard | |
468 | 24236869 | bellard | static int find_dirty_height(VncState *vs, int y, int last_x, int x) |
469 | 24236869 | bellard | { |
470 | 24236869 | bellard | int h;
|
471 | 24236869 | bellard | |
472 | 24236869 | bellard | for (h = 1; h < (vs->height - y); h++) { |
473 | 24236869 | bellard | int tmp_x;
|
474 | 99589bdc | bellard | if (!vnc_get_bit(vs->dirty_row[y + h], last_x))
|
475 | 24236869 | bellard | break;
|
476 | 24236869 | bellard | for (tmp_x = last_x; tmp_x < x; tmp_x++)
|
477 | 99589bdc | bellard | vnc_clear_bit(vs->dirty_row[y + h], tmp_x); |
478 | 24236869 | bellard | } |
479 | 24236869 | bellard | |
480 | 24236869 | bellard | return h;
|
481 | 24236869 | bellard | } |
482 | 24236869 | bellard | |
483 | 24236869 | bellard | static void vnc_update_client(void *opaque) |
484 | 24236869 | bellard | { |
485 | 24236869 | bellard | VncState *vs = opaque; |
486 | 24236869 | bellard | |
487 | 24236869 | bellard | if (vs->need_update && vs->csock != -1) { |
488 | 24236869 | bellard | int y;
|
489 | 24236869 | bellard | char *row;
|
490 | 24236869 | bellard | char *old_row;
|
491 | 99589bdc | bellard | uint32_t width_mask[VNC_DIRTY_WORDS]; |
492 | 24236869 | bellard | int n_rectangles;
|
493 | 24236869 | bellard | int saved_offset;
|
494 | 24236869 | bellard | int has_dirty = 0; |
495 | 24236869 | bellard | |
496 | 99589bdc | bellard | vnc_set_bits(width_mask, (vs->width / 16), VNC_DIRTY_WORDS);
|
497 | 24236869 | bellard | |
498 | 24236869 | bellard | /* Walk through the dirty map and eliminate tiles that
|
499 | 24236869 | bellard | really aren't dirty */
|
500 | 24236869 | bellard | row = vs->ds->data; |
501 | 24236869 | bellard | old_row = vs->old_data; |
502 | 24236869 | bellard | |
503 | 24236869 | bellard | for (y = 0; y < vs->height; y++) { |
504 | 99589bdc | bellard | if (vnc_and_bits(vs->dirty_row[y], width_mask, VNC_DIRTY_WORDS)) {
|
505 | 24236869 | bellard | int x;
|
506 | 24236869 | bellard | char *ptr, *old_ptr;
|
507 | 24236869 | bellard | |
508 | 24236869 | bellard | ptr = row; |
509 | 24236869 | bellard | old_ptr = old_row; |
510 | 24236869 | bellard | |
511 | 24236869 | bellard | for (x = 0; x < vs->ds->width; x += 16) { |
512 | 24236869 | bellard | if (memcmp(old_ptr, ptr, 16 * vs->depth) == 0) { |
513 | 99589bdc | bellard | vnc_clear_bit(vs->dirty_row[y], (x / 16));
|
514 | 24236869 | bellard | } else {
|
515 | 24236869 | bellard | has_dirty = 1;
|
516 | 24236869 | bellard | memcpy(old_ptr, ptr, 16 * vs->depth);
|
517 | 24236869 | bellard | } |
518 | 24236869 | bellard | |
519 | 24236869 | bellard | ptr += 16 * vs->depth;
|
520 | 24236869 | bellard | old_ptr += 16 * vs->depth;
|
521 | 24236869 | bellard | } |
522 | 24236869 | bellard | } |
523 | 24236869 | bellard | |
524 | 24236869 | bellard | row += vs->ds->linesize; |
525 | 24236869 | bellard | old_row += vs->ds->linesize; |
526 | 24236869 | bellard | } |
527 | 24236869 | bellard | |
528 | 24236869 | bellard | if (!has_dirty) {
|
529 | 24236869 | bellard | qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL); |
530 | 24236869 | bellard | return;
|
531 | 24236869 | bellard | } |
532 | 24236869 | bellard | |
533 | 24236869 | bellard | /* Count rectangles */
|
534 | 24236869 | bellard | n_rectangles = 0;
|
535 | 24236869 | bellard | vnc_write_u8(vs, 0); /* msg id */ |
536 | 24236869 | bellard | vnc_write_u8(vs, 0);
|
537 | 24236869 | bellard | saved_offset = vs->output.offset; |
538 | 24236869 | bellard | vnc_write_u16(vs, 0);
|
539 | 24236869 | bellard | |
540 | 24236869 | bellard | for (y = 0; y < vs->height; y++) { |
541 | 24236869 | bellard | int x;
|
542 | 24236869 | bellard | int last_x = -1; |
543 | 24236869 | bellard | for (x = 0; x < vs->width / 16; x++) { |
544 | 99589bdc | bellard | if (vnc_get_bit(vs->dirty_row[y], x)) {
|
545 | 24236869 | bellard | if (last_x == -1) { |
546 | 24236869 | bellard | last_x = x; |
547 | 24236869 | bellard | } |
548 | 99589bdc | bellard | vnc_clear_bit(vs->dirty_row[y], x); |
549 | 24236869 | bellard | } else {
|
550 | 24236869 | bellard | if (last_x != -1) { |
551 | 24236869 | bellard | int h = find_dirty_height(vs, y, last_x, x);
|
552 | 24236869 | bellard | send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h); |
553 | 24236869 | bellard | n_rectangles++; |
554 | 24236869 | bellard | } |
555 | 24236869 | bellard | last_x = -1;
|
556 | 24236869 | bellard | } |
557 | 24236869 | bellard | } |
558 | 24236869 | bellard | if (last_x != -1) { |
559 | 24236869 | bellard | int h = find_dirty_height(vs, y, last_x, x);
|
560 | 24236869 | bellard | send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h); |
561 | 24236869 | bellard | n_rectangles++; |
562 | 24236869 | bellard | } |
563 | 24236869 | bellard | } |
564 | 24236869 | bellard | vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF; |
565 | 24236869 | bellard | vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF; |
566 | 24236869 | bellard | vnc_flush(vs); |
567 | 24236869 | bellard | |
568 | 24236869 | bellard | } |
569 | 24236869 | bellard | qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL); |
570 | 24236869 | bellard | } |
571 | 24236869 | bellard | |
572 | 24236869 | bellard | static void vnc_timer_init(VncState *vs) |
573 | 24236869 | bellard | { |
574 | 24236869 | bellard | if (vs->timer == NULL) { |
575 | 24236869 | bellard | vs->timer = qemu_new_timer(rt_clock, vnc_update_client, vs); |
576 | 24236869 | bellard | qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock)); |
577 | 24236869 | bellard | } |
578 | 24236869 | bellard | } |
579 | 24236869 | bellard | |
580 | 24236869 | bellard | static void vnc_dpy_refresh(DisplayState *ds) |
581 | 24236869 | bellard | { |
582 | 24236869 | bellard | VncState *vs = ds->opaque; |
583 | 24236869 | bellard | vnc_timer_init(vs); |
584 | 24236869 | bellard | vga_hw_update(); |
585 | 24236869 | bellard | } |
586 | 24236869 | bellard | |
587 | 24236869 | bellard | static int vnc_listen_poll(void *opaque) |
588 | 24236869 | bellard | { |
589 | 24236869 | bellard | VncState *vs = opaque; |
590 | 24236869 | bellard | if (vs->csock == -1) |
591 | 24236869 | bellard | return 1; |
592 | 24236869 | bellard | return 0; |
593 | 24236869 | bellard | } |
594 | 24236869 | bellard | |
595 | 24236869 | bellard | static void buffer_reserve(Buffer *buffer, size_t len) |
596 | 24236869 | bellard | { |
597 | 24236869 | bellard | if ((buffer->capacity - buffer->offset) < len) {
|
598 | 24236869 | bellard | buffer->capacity += (len + 1024);
|
599 | 24236869 | bellard | buffer->buffer = realloc(buffer->buffer, buffer->capacity); |
600 | 24236869 | bellard | if (buffer->buffer == NULL) { |
601 | 24236869 | bellard | fprintf(stderr, "vnc: out of memory\n");
|
602 | 24236869 | bellard | exit(1);
|
603 | 24236869 | bellard | } |
604 | 24236869 | bellard | } |
605 | 24236869 | bellard | } |
606 | 24236869 | bellard | |
607 | 24236869 | bellard | static int buffer_empty(Buffer *buffer) |
608 | 24236869 | bellard | { |
609 | 24236869 | bellard | return buffer->offset == 0; |
610 | 24236869 | bellard | } |
611 | 24236869 | bellard | |
612 | 24236869 | bellard | static char *buffer_end(Buffer *buffer) |
613 | 24236869 | bellard | { |
614 | 24236869 | bellard | return buffer->buffer + buffer->offset;
|
615 | 24236869 | bellard | } |
616 | 24236869 | bellard | |
617 | 24236869 | bellard | static void buffer_reset(Buffer *buffer) |
618 | 24236869 | bellard | { |
619 | 24236869 | bellard | buffer->offset = 0;
|
620 | 24236869 | bellard | } |
621 | 24236869 | bellard | |
622 | 24236869 | bellard | static void buffer_append(Buffer *buffer, const void *data, size_t len) |
623 | 24236869 | bellard | { |
624 | 24236869 | bellard | memcpy(buffer->buffer + buffer->offset, data, len); |
625 | 24236869 | bellard | buffer->offset += len; |
626 | 24236869 | bellard | } |
627 | 24236869 | bellard | |
628 | 6ca957f0 | bellard | static int vnc_client_io_error(VncState *vs, int ret, int last_errno) |
629 | 24236869 | bellard | { |
630 | 24236869 | bellard | if (ret == 0 || ret == -1) { |
631 | 6ca957f0 | bellard | if (ret == -1 && (last_errno == EINTR || last_errno == EAGAIN)) |
632 | 24236869 | bellard | return 0; |
633 | 24236869 | bellard | |
634 | 8d5d2d4c | ths | VNC_DEBUG("Closing down client sock %d %d\n", ret, ret < 0 ? last_errno : 0); |
635 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); |
636 | 6ca957f0 | bellard | closesocket(vs->csock); |
637 | 24236869 | bellard | vs->csock = -1;
|
638 | 24236869 | bellard | buffer_reset(&vs->input); |
639 | 24236869 | bellard | buffer_reset(&vs->output); |
640 | 24236869 | bellard | vs->need_update = 0;
|
641 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
642 | 8d5d2d4c | ths | if (vs->tls_session) {
|
643 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
644 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
645 | 8d5d2d4c | ths | } |
646 | 8d5d2d4c | ths | vs->wiremode = VNC_WIREMODE_CLEAR; |
647 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
648 | 24236869 | bellard | return 0; |
649 | 24236869 | bellard | } |
650 | 24236869 | bellard | return ret;
|
651 | 24236869 | bellard | } |
652 | 24236869 | bellard | |
653 | 24236869 | bellard | static void vnc_client_error(VncState *vs) |
654 | 24236869 | bellard | { |
655 | 6ca957f0 | bellard | vnc_client_io_error(vs, -1, EINVAL);
|
656 | 24236869 | bellard | } |
657 | 24236869 | bellard | |
658 | 24236869 | bellard | static void vnc_client_write(void *opaque) |
659 | 24236869 | bellard | { |
660 | ceb5caaf | bellard | long ret;
|
661 | 24236869 | bellard | VncState *vs = opaque; |
662 | 24236869 | bellard | |
663 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
664 | 8d5d2d4c | ths | if (vs->tls_session) {
|
665 | 8d5d2d4c | ths | ret = gnutls_write(vs->tls_session, vs->output.buffer, vs->output.offset); |
666 | 8d5d2d4c | ths | if (ret < 0) { |
667 | 8d5d2d4c | ths | if (ret == GNUTLS_E_AGAIN)
|
668 | 8d5d2d4c | ths | errno = EAGAIN; |
669 | 8d5d2d4c | ths | else
|
670 | 8d5d2d4c | ths | errno = EIO; |
671 | 8d5d2d4c | ths | ret = -1;
|
672 | 8d5d2d4c | ths | } |
673 | 8d5d2d4c | ths | } else
|
674 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
675 | 8d5d2d4c | ths | ret = send(vs->csock, vs->output.buffer, vs->output.offset, 0);
|
676 | 6ca957f0 | bellard | ret = vnc_client_io_error(vs, ret, socket_error()); |
677 | 24236869 | bellard | if (!ret)
|
678 | 24236869 | bellard | return;
|
679 | 24236869 | bellard | |
680 | 24236869 | bellard | memmove(vs->output.buffer, vs->output.buffer + ret, (vs->output.offset - ret)); |
681 | 24236869 | bellard | vs->output.offset -= ret; |
682 | 24236869 | bellard | |
683 | 24236869 | bellard | if (vs->output.offset == 0) { |
684 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
685 | 24236869 | bellard | } |
686 | 24236869 | bellard | } |
687 | 24236869 | bellard | |
688 | 24236869 | bellard | static void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting) |
689 | 24236869 | bellard | { |
690 | 24236869 | bellard | vs->read_handler = func; |
691 | 24236869 | bellard | vs->read_handler_expect = expecting; |
692 | 24236869 | bellard | } |
693 | 24236869 | bellard | |
694 | 24236869 | bellard | static void vnc_client_read(void *opaque) |
695 | 24236869 | bellard | { |
696 | 24236869 | bellard | VncState *vs = opaque; |
697 | ceb5caaf | bellard | long ret;
|
698 | 24236869 | bellard | |
699 | 24236869 | bellard | buffer_reserve(&vs->input, 4096);
|
700 | 24236869 | bellard | |
701 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
702 | 8d5d2d4c | ths | if (vs->tls_session) {
|
703 | 8d5d2d4c | ths | ret = gnutls_read(vs->tls_session, buffer_end(&vs->input), 4096);
|
704 | 8d5d2d4c | ths | if (ret < 0) { |
705 | 8d5d2d4c | ths | if (ret == GNUTLS_E_AGAIN)
|
706 | 8d5d2d4c | ths | errno = EAGAIN; |
707 | 8d5d2d4c | ths | else
|
708 | 8d5d2d4c | ths | errno = EIO; |
709 | 8d5d2d4c | ths | ret = -1;
|
710 | 8d5d2d4c | ths | } |
711 | 8d5d2d4c | ths | } else
|
712 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
713 | 8d5d2d4c | ths | ret = recv(vs->csock, buffer_end(&vs->input), 4096, 0); |
714 | 6ca957f0 | bellard | ret = vnc_client_io_error(vs, ret, socket_error()); |
715 | 24236869 | bellard | if (!ret)
|
716 | 24236869 | bellard | return;
|
717 | 24236869 | bellard | |
718 | 24236869 | bellard | vs->input.offset += ret; |
719 | 24236869 | bellard | |
720 | 24236869 | bellard | while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
|
721 | 24236869 | bellard | size_t len = vs->read_handler_expect; |
722 | 24236869 | bellard | int ret;
|
723 | 24236869 | bellard | |
724 | 24236869 | bellard | ret = vs->read_handler(vs, vs->input.buffer, len); |
725 | 24236869 | bellard | if (vs->csock == -1) |
726 | 24236869 | bellard | return;
|
727 | 24236869 | bellard | |
728 | 24236869 | bellard | if (!ret) {
|
729 | 24236869 | bellard | memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len)); |
730 | 24236869 | bellard | vs->input.offset -= len; |
731 | 24236869 | bellard | } else {
|
732 | 24236869 | bellard | vs->read_handler_expect = ret; |
733 | 24236869 | bellard | } |
734 | 24236869 | bellard | } |
735 | 24236869 | bellard | } |
736 | 24236869 | bellard | |
737 | 24236869 | bellard | static void vnc_write(VncState *vs, const void *data, size_t len) |
738 | 24236869 | bellard | { |
739 | 24236869 | bellard | buffer_reserve(&vs->output, len); |
740 | 24236869 | bellard | |
741 | 24236869 | bellard | if (buffer_empty(&vs->output)) {
|
742 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
|
743 | 24236869 | bellard | } |
744 | 24236869 | bellard | |
745 | 24236869 | bellard | buffer_append(&vs->output, data, len); |
746 | 24236869 | bellard | } |
747 | 24236869 | bellard | |
748 | 24236869 | bellard | static void vnc_write_s32(VncState *vs, int32_t value) |
749 | 24236869 | bellard | { |
750 | 24236869 | bellard | vnc_write_u32(vs, *(uint32_t *)&value); |
751 | 24236869 | bellard | } |
752 | 24236869 | bellard | |
753 | 24236869 | bellard | static void vnc_write_u32(VncState *vs, uint32_t value) |
754 | 24236869 | bellard | { |
755 | 24236869 | bellard | uint8_t buf[4];
|
756 | 24236869 | bellard | |
757 | 24236869 | bellard | buf[0] = (value >> 24) & 0xFF; |
758 | 24236869 | bellard | buf[1] = (value >> 16) & 0xFF; |
759 | 24236869 | bellard | buf[2] = (value >> 8) & 0xFF; |
760 | 24236869 | bellard | buf[3] = value & 0xFF; |
761 | 24236869 | bellard | |
762 | 24236869 | bellard | vnc_write(vs, buf, 4);
|
763 | 24236869 | bellard | } |
764 | 24236869 | bellard | |
765 | 24236869 | bellard | static void vnc_write_u16(VncState *vs, uint16_t value) |
766 | 24236869 | bellard | { |
767 | 64f5a135 | bellard | uint8_t buf[2];
|
768 | 24236869 | bellard | |
769 | 24236869 | bellard | buf[0] = (value >> 8) & 0xFF; |
770 | 24236869 | bellard | buf[1] = value & 0xFF; |
771 | 24236869 | bellard | |
772 | 24236869 | bellard | vnc_write(vs, buf, 2);
|
773 | 24236869 | bellard | } |
774 | 24236869 | bellard | |
775 | 24236869 | bellard | static void vnc_write_u8(VncState *vs, uint8_t value) |
776 | 24236869 | bellard | { |
777 | 24236869 | bellard | vnc_write(vs, (char *)&value, 1); |
778 | 24236869 | bellard | } |
779 | 24236869 | bellard | |
780 | 24236869 | bellard | static void vnc_flush(VncState *vs) |
781 | 24236869 | bellard | { |
782 | 24236869 | bellard | if (vs->output.offset)
|
783 | 24236869 | bellard | vnc_client_write(vs); |
784 | 24236869 | bellard | } |
785 | 24236869 | bellard | |
786 | 64f5a135 | bellard | static uint8_t read_u8(uint8_t *data, size_t offset)
|
787 | 24236869 | bellard | { |
788 | 24236869 | bellard | return data[offset];
|
789 | 24236869 | bellard | } |
790 | 24236869 | bellard | |
791 | 64f5a135 | bellard | static uint16_t read_u16(uint8_t *data, size_t offset)
|
792 | 24236869 | bellard | { |
793 | 24236869 | bellard | return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); |
794 | 24236869 | bellard | } |
795 | 24236869 | bellard | |
796 | 64f5a135 | bellard | static int32_t read_s32(uint8_t *data, size_t offset)
|
797 | 24236869 | bellard | { |
798 | 24236869 | bellard | return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) | |
799 | 24236869 | bellard | (data[offset + 2] << 8) | data[offset + 3]); |
800 | 24236869 | bellard | } |
801 | 24236869 | bellard | |
802 | 64f5a135 | bellard | static uint32_t read_u32(uint8_t *data, size_t offset)
|
803 | 24236869 | bellard | { |
804 | 24236869 | bellard | return ((data[offset] << 24) | (data[offset + 1] << 16) | |
805 | 24236869 | bellard | (data[offset + 2] << 8) | data[offset + 3]); |
806 | 24236869 | bellard | } |
807 | 24236869 | bellard | |
808 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
809 | 8d5d2d4c | ths | ssize_t vnc_tls_push(gnutls_transport_ptr_t transport, |
810 | 8d5d2d4c | ths | const void *data, |
811 | 8d5d2d4c | ths | size_t len) { |
812 | 8d5d2d4c | ths | struct VncState *vs = (struct VncState *)transport; |
813 | 8d5d2d4c | ths | int ret;
|
814 | 8d5d2d4c | ths | |
815 | 8d5d2d4c | ths | retry:
|
816 | 8d5d2d4c | ths | ret = send(vs->csock, data, len, 0);
|
817 | 8d5d2d4c | ths | if (ret < 0) { |
818 | 8d5d2d4c | ths | if (errno == EINTR)
|
819 | 8d5d2d4c | ths | goto retry;
|
820 | 8d5d2d4c | ths | return -1; |
821 | 8d5d2d4c | ths | } |
822 | 8d5d2d4c | ths | return ret;
|
823 | 8d5d2d4c | ths | } |
824 | 8d5d2d4c | ths | |
825 | 8d5d2d4c | ths | |
826 | 8d5d2d4c | ths | ssize_t vnc_tls_pull(gnutls_transport_ptr_t transport, |
827 | 8d5d2d4c | ths | void *data,
|
828 | 8d5d2d4c | ths | size_t len) { |
829 | 8d5d2d4c | ths | struct VncState *vs = (struct VncState *)transport; |
830 | 8d5d2d4c | ths | int ret;
|
831 | 8d5d2d4c | ths | |
832 | 8d5d2d4c | ths | retry:
|
833 | 8d5d2d4c | ths | ret = recv(vs->csock, data, len, 0);
|
834 | 8d5d2d4c | ths | if (ret < 0) { |
835 | 8d5d2d4c | ths | if (errno == EINTR)
|
836 | 8d5d2d4c | ths | goto retry;
|
837 | 8d5d2d4c | ths | return -1; |
838 | 8d5d2d4c | ths | } |
839 | 8d5d2d4c | ths | return ret;
|
840 | 8d5d2d4c | ths | } |
841 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
842 | 8d5d2d4c | ths | |
843 | 24236869 | bellard | static void client_cut_text(VncState *vs, size_t len, char *text) |
844 | 24236869 | bellard | { |
845 | 24236869 | bellard | } |
846 | 24236869 | bellard | |
847 | 564c337e | bellard | static void check_pointer_type_change(VncState *vs, int absolute) |
848 | 564c337e | bellard | { |
849 | 564c337e | bellard | if (vs->has_pointer_type_change && vs->absolute != absolute) {
|
850 | 564c337e | bellard | vnc_write_u8(vs, 0);
|
851 | 564c337e | bellard | vnc_write_u8(vs, 0);
|
852 | 564c337e | bellard | vnc_write_u16(vs, 1);
|
853 | 564c337e | bellard | vnc_framebuffer_update(vs, absolute, 0,
|
854 | 564c337e | bellard | vs->ds->width, vs->ds->height, -257);
|
855 | 564c337e | bellard | vnc_flush(vs); |
856 | 564c337e | bellard | } |
857 | 564c337e | bellard | vs->absolute = absolute; |
858 | 564c337e | bellard | } |
859 | 564c337e | bellard | |
860 | 24236869 | bellard | static void pointer_event(VncState *vs, int button_mask, int x, int y) |
861 | 24236869 | bellard | { |
862 | 24236869 | bellard | int buttons = 0; |
863 | 24236869 | bellard | int dz = 0; |
864 | 24236869 | bellard | |
865 | 24236869 | bellard | if (button_mask & 0x01) |
866 | 24236869 | bellard | buttons |= MOUSE_EVENT_LBUTTON; |
867 | 24236869 | bellard | if (button_mask & 0x02) |
868 | 24236869 | bellard | buttons |= MOUSE_EVENT_MBUTTON; |
869 | 24236869 | bellard | if (button_mask & 0x04) |
870 | 24236869 | bellard | buttons |= MOUSE_EVENT_RBUTTON; |
871 | 24236869 | bellard | if (button_mask & 0x08) |
872 | 24236869 | bellard | dz = -1;
|
873 | 24236869 | bellard | if (button_mask & 0x10) |
874 | 24236869 | bellard | dz = 1;
|
875 | 564c337e | bellard | |
876 | 564c337e | bellard | if (vs->absolute) {
|
877 | 24236869 | bellard | kbd_mouse_event(x * 0x7FFF / vs->ds->width,
|
878 | 24236869 | bellard | y * 0x7FFF / vs->ds->height,
|
879 | 24236869 | bellard | dz, buttons); |
880 | 564c337e | bellard | } else if (vs->has_pointer_type_change) { |
881 | 564c337e | bellard | x -= 0x7FFF;
|
882 | 564c337e | bellard | y -= 0x7FFF;
|
883 | 24236869 | bellard | |
884 | 564c337e | bellard | kbd_mouse_event(x, y, dz, buttons); |
885 | 564c337e | bellard | } else {
|
886 | 564c337e | bellard | if (vs->last_x != -1) |
887 | 564c337e | bellard | kbd_mouse_event(x - vs->last_x, |
888 | 564c337e | bellard | y - vs->last_y, |
889 | 564c337e | bellard | dz, buttons); |
890 | 564c337e | bellard | vs->last_x = x; |
891 | 564c337e | bellard | vs->last_y = y; |
892 | 24236869 | bellard | } |
893 | 564c337e | bellard | |
894 | 564c337e | bellard | check_pointer_type_change(vs, kbd_mouse_is_absolute()); |
895 | 24236869 | bellard | } |
896 | 24236869 | bellard | |
897 | 64f5a135 | bellard | static void reset_keys(VncState *vs) |
898 | 64f5a135 | bellard | { |
899 | 64f5a135 | bellard | int i;
|
900 | 64f5a135 | bellard | for(i = 0; i < 256; i++) { |
901 | 64f5a135 | bellard | if (vs->modifiers_state[i]) {
|
902 | 64f5a135 | bellard | if (i & 0x80) |
903 | 64f5a135 | bellard | kbd_put_keycode(0xe0);
|
904 | 64f5a135 | bellard | kbd_put_keycode(i | 0x80);
|
905 | 64f5a135 | bellard | vs->modifiers_state[i] = 0;
|
906 | 64f5a135 | bellard | } |
907 | 64f5a135 | bellard | } |
908 | 64f5a135 | bellard | } |
909 | 64f5a135 | bellard | |
910 | bdbd7676 | bellard | static void do_key_event(VncState *vs, int down, uint32_t sym) |
911 | 24236869 | bellard | { |
912 | 24236869 | bellard | int keycode;
|
913 | 24236869 | bellard | |
914 | 24236869 | bellard | keycode = keysym2scancode(vs->kbd_layout, sym & 0xFFFF);
|
915 | 3b46e624 | ths | |
916 | 64f5a135 | bellard | /* QEMU console switch */
|
917 | 64f5a135 | bellard | switch(keycode) {
|
918 | 64f5a135 | bellard | case 0x2a: /* Left Shift */ |
919 | 64f5a135 | bellard | case 0x36: /* Right Shift */ |
920 | 64f5a135 | bellard | case 0x1d: /* Left CTRL */ |
921 | 64f5a135 | bellard | case 0x9d: /* Right CTRL */ |
922 | 64f5a135 | bellard | case 0x38: /* Left ALT */ |
923 | 64f5a135 | bellard | case 0xb8: /* Right ALT */ |
924 | 64f5a135 | bellard | if (down)
|
925 | 64f5a135 | bellard | vs->modifiers_state[keycode] = 1;
|
926 | 64f5a135 | bellard | else
|
927 | 64f5a135 | bellard | vs->modifiers_state[keycode] = 0;
|
928 | 64f5a135 | bellard | break;
|
929 | 5fafdf24 | ths | case 0x02 ... 0x0a: /* '1' to '9' keys */ |
930 | 64f5a135 | bellard | if (down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) { |
931 | 64f5a135 | bellard | /* Reset the modifiers sent to the current console */
|
932 | 64f5a135 | bellard | reset_keys(vs); |
933 | 64f5a135 | bellard | console_select(keycode - 0x02);
|
934 | 64f5a135 | bellard | return;
|
935 | 64f5a135 | bellard | } |
936 | 64f5a135 | bellard | break;
|
937 | 64f5a135 | bellard | } |
938 | 24236869 | bellard | |
939 | 64f5a135 | bellard | if (is_graphic_console()) {
|
940 | 64f5a135 | bellard | if (keycode & 0x80) |
941 | 64f5a135 | bellard | kbd_put_keycode(0xe0);
|
942 | 64f5a135 | bellard | if (down)
|
943 | 64f5a135 | bellard | kbd_put_keycode(keycode & 0x7f);
|
944 | 64f5a135 | bellard | else
|
945 | 64f5a135 | bellard | kbd_put_keycode(keycode | 0x80);
|
946 | 64f5a135 | bellard | } else {
|
947 | 64f5a135 | bellard | /* QEMU console emulation */
|
948 | 64f5a135 | bellard | if (down) {
|
949 | 64f5a135 | bellard | switch (keycode) {
|
950 | 64f5a135 | bellard | case 0x2a: /* Left Shift */ |
951 | 64f5a135 | bellard | case 0x36: /* Right Shift */ |
952 | 64f5a135 | bellard | case 0x1d: /* Left CTRL */ |
953 | 64f5a135 | bellard | case 0x9d: /* Right CTRL */ |
954 | 64f5a135 | bellard | case 0x38: /* Left ALT */ |
955 | 64f5a135 | bellard | case 0xb8: /* Right ALT */ |
956 | 64f5a135 | bellard | break;
|
957 | 64f5a135 | bellard | case 0xc8: |
958 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_UP); |
959 | 64f5a135 | bellard | break;
|
960 | 64f5a135 | bellard | case 0xd0: |
961 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_DOWN); |
962 | 64f5a135 | bellard | break;
|
963 | 64f5a135 | bellard | case 0xcb: |
964 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_LEFT); |
965 | 64f5a135 | bellard | break;
|
966 | 64f5a135 | bellard | case 0xcd: |
967 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_RIGHT); |
968 | 64f5a135 | bellard | break;
|
969 | 64f5a135 | bellard | case 0xd3: |
970 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_DELETE); |
971 | 64f5a135 | bellard | break;
|
972 | 64f5a135 | bellard | case 0xc7: |
973 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_HOME); |
974 | 64f5a135 | bellard | break;
|
975 | 64f5a135 | bellard | case 0xcf: |
976 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_END); |
977 | 64f5a135 | bellard | break;
|
978 | 64f5a135 | bellard | case 0xc9: |
979 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_PAGEUP); |
980 | 64f5a135 | bellard | break;
|
981 | 64f5a135 | bellard | case 0xd1: |
982 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_PAGEDOWN); |
983 | 64f5a135 | bellard | break;
|
984 | 64f5a135 | bellard | default:
|
985 | 64f5a135 | bellard | kbd_put_keysym(sym); |
986 | 64f5a135 | bellard | break;
|
987 | 64f5a135 | bellard | } |
988 | 64f5a135 | bellard | } |
989 | 64f5a135 | bellard | } |
990 | 24236869 | bellard | } |
991 | 24236869 | bellard | |
992 | bdbd7676 | bellard | static void key_event(VncState *vs, int down, uint32_t sym) |
993 | bdbd7676 | bellard | { |
994 | bdbd7676 | bellard | if (sym >= 'A' && sym <= 'Z') |
995 | bdbd7676 | bellard | sym = sym - 'A' + 'a'; |
996 | bdbd7676 | bellard | do_key_event(vs, down, sym); |
997 | bdbd7676 | bellard | } |
998 | bdbd7676 | bellard | |
999 | 24236869 | bellard | static void framebuffer_update_request(VncState *vs, int incremental, |
1000 | 24236869 | bellard | int x_position, int y_position, |
1001 | 24236869 | bellard | int w, int h) |
1002 | 24236869 | bellard | { |
1003 | cf2d385c | ths | if (x_position > vs->ds->width)
|
1004 | cf2d385c | ths | x_position = vs->ds->width; |
1005 | cf2d385c | ths | if (y_position > vs->ds->height)
|
1006 | cf2d385c | ths | y_position = vs->ds->height; |
1007 | cf2d385c | ths | if (x_position + w >= vs->ds->width)
|
1008 | cf2d385c | ths | w = vs->ds->width - x_position; |
1009 | cf2d385c | ths | if (y_position + h >= vs->ds->height)
|
1010 | cf2d385c | ths | h = vs->ds->height - y_position; |
1011 | cf2d385c | ths | |
1012 | 24236869 | bellard | int i;
|
1013 | 24236869 | bellard | vs->need_update = 1;
|
1014 | 24236869 | bellard | if (!incremental) {
|
1015 | 24236869 | bellard | char *old_row = vs->old_data + y_position * vs->ds->linesize;
|
1016 | 24236869 | bellard | |
1017 | 24236869 | bellard | for (i = 0; i < h; i++) { |
1018 | 5fafdf24 | ths | vnc_set_bits(vs->dirty_row[y_position + i], |
1019 | 99589bdc | bellard | (vs->ds->width / 16), VNC_DIRTY_WORDS);
|
1020 | 24236869 | bellard | memset(old_row, 42, vs->ds->width * vs->depth);
|
1021 | 24236869 | bellard | old_row += vs->ds->linesize; |
1022 | 24236869 | bellard | } |
1023 | 24236869 | bellard | } |
1024 | 24236869 | bellard | } |
1025 | 24236869 | bellard | |
1026 | 24236869 | bellard | static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) |
1027 | 24236869 | bellard | { |
1028 | 24236869 | bellard | int i;
|
1029 | 24236869 | bellard | |
1030 | 24236869 | bellard | vs->has_hextile = 0;
|
1031 | 24236869 | bellard | vs->has_resize = 0;
|
1032 | 564c337e | bellard | vs->has_pointer_type_change = 0;
|
1033 | 564c337e | bellard | vs->absolute = -1;
|
1034 | 24236869 | bellard | vs->ds->dpy_copy = NULL;
|
1035 | 24236869 | bellard | |
1036 | 24236869 | bellard | for (i = n_encodings - 1; i >= 0; i--) { |
1037 | 24236869 | bellard | switch (encodings[i]) {
|
1038 | 24236869 | bellard | case 0: /* Raw */ |
1039 | 24236869 | bellard | vs->has_hextile = 0;
|
1040 | 24236869 | bellard | break;
|
1041 | 24236869 | bellard | case 1: /* CopyRect */ |
1042 | 24236869 | bellard | vs->ds->dpy_copy = vnc_copy; |
1043 | 24236869 | bellard | break;
|
1044 | 24236869 | bellard | case 5: /* Hextile */ |
1045 | 24236869 | bellard | vs->has_hextile = 1;
|
1046 | 24236869 | bellard | break;
|
1047 | 24236869 | bellard | case -223: /* DesktopResize */ |
1048 | 24236869 | bellard | vs->has_resize = 1;
|
1049 | 24236869 | bellard | break;
|
1050 | 564c337e | bellard | case -257: |
1051 | 564c337e | bellard | vs->has_pointer_type_change = 1;
|
1052 | 564c337e | bellard | break;
|
1053 | 24236869 | bellard | default:
|
1054 | 24236869 | bellard | break;
|
1055 | 24236869 | bellard | } |
1056 | 24236869 | bellard | } |
1057 | 564c337e | bellard | |
1058 | 564c337e | bellard | check_pointer_type_change(vs, kbd_mouse_is_absolute()); |
1059 | 24236869 | bellard | } |
1060 | 24236869 | bellard | |
1061 | 3512779a | bellard | static int compute_nbits(unsigned int val) |
1062 | 3512779a | bellard | { |
1063 | 3512779a | bellard | int n;
|
1064 | 3512779a | bellard | n = 0;
|
1065 | 3512779a | bellard | while (val != 0) { |
1066 | 3512779a | bellard | n++; |
1067 | 3512779a | bellard | val >>= 1;
|
1068 | 3512779a | bellard | } |
1069 | 3512779a | bellard | return n;
|
1070 | 3512779a | bellard | } |
1071 | 3512779a | bellard | |
1072 | 24236869 | bellard | static void set_pixel_format(VncState *vs, |
1073 | 24236869 | bellard | int bits_per_pixel, int depth, |
1074 | 24236869 | bellard | int big_endian_flag, int true_color_flag, |
1075 | 24236869 | bellard | int red_max, int green_max, int blue_max, |
1076 | 24236869 | bellard | int red_shift, int green_shift, int blue_shift) |
1077 | 24236869 | bellard | { |
1078 | 3512779a | bellard | int host_big_endian_flag;
|
1079 | 24236869 | bellard | |
1080 | 3512779a | bellard | #ifdef WORDS_BIGENDIAN
|
1081 | 3512779a | bellard | host_big_endian_flag = 1;
|
1082 | 3512779a | bellard | #else
|
1083 | 3512779a | bellard | host_big_endian_flag = 0;
|
1084 | 3512779a | bellard | #endif
|
1085 | 3512779a | bellard | if (!true_color_flag) {
|
1086 | 3512779a | bellard | fail:
|
1087 | 24236869 | bellard | vnc_client_error(vs); |
1088 | 3512779a | bellard | return;
|
1089 | 3512779a | bellard | } |
1090 | 5fafdf24 | ths | if (bits_per_pixel == 32 && |
1091 | 3512779a | bellard | host_big_endian_flag == big_endian_flag && |
1092 | 3512779a | bellard | red_max == 0xff && green_max == 0xff && blue_max == 0xff && |
1093 | 3512779a | bellard | red_shift == 16 && green_shift == 8 && blue_shift == 0) { |
1094 | 3512779a | bellard | vs->depth = 4;
|
1095 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_copy; |
1096 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_32; |
1097 | 5fafdf24 | ths | } else
|
1098 | 5fafdf24 | ths | if (bits_per_pixel == 16 && |
1099 | 3512779a | bellard | host_big_endian_flag == big_endian_flag && |
1100 | 3512779a | bellard | red_max == 31 && green_max == 63 && blue_max == 31 && |
1101 | 3512779a | bellard | red_shift == 11 && green_shift == 5 && blue_shift == 0) { |
1102 | 3512779a | bellard | vs->depth = 2;
|
1103 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_copy; |
1104 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_16; |
1105 | 5fafdf24 | ths | } else
|
1106 | 5fafdf24 | ths | if (bits_per_pixel == 8 && |
1107 | 3512779a | bellard | red_max == 7 && green_max == 7 && blue_max == 3 && |
1108 | 3512779a | bellard | red_shift == 5 && green_shift == 2 && blue_shift == 0) { |
1109 | 3512779a | bellard | vs->depth = 1;
|
1110 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_copy; |
1111 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_8; |
1112 | 5fafdf24 | ths | } else
|
1113 | 3512779a | bellard | { |
1114 | 3512779a | bellard | /* generic and slower case */
|
1115 | 3512779a | bellard | if (bits_per_pixel != 8 && |
1116 | 3512779a | bellard | bits_per_pixel != 16 &&
|
1117 | 3512779a | bellard | bits_per_pixel != 32)
|
1118 | 3512779a | bellard | goto fail;
|
1119 | 3512779a | bellard | vs->depth = 4;
|
1120 | 3512779a | bellard | vs->red_shift = red_shift; |
1121 | 3512779a | bellard | vs->red_max = red_max; |
1122 | 3512779a | bellard | vs->red_shift1 = 24 - compute_nbits(red_max);
|
1123 | 3512779a | bellard | vs->green_shift = green_shift; |
1124 | 3512779a | bellard | vs->green_max = green_max; |
1125 | 3512779a | bellard | vs->green_shift1 = 16 - compute_nbits(green_max);
|
1126 | 3512779a | bellard | vs->blue_shift = blue_shift; |
1127 | 3512779a | bellard | vs->blue_max = blue_max; |
1128 | 3512779a | bellard | vs->blue_shift1 = 8 - compute_nbits(blue_max);
|
1129 | 3512779a | bellard | vs->pix_bpp = bits_per_pixel / 8;
|
1130 | 3512779a | bellard | vs->pix_big_endian = big_endian_flag; |
1131 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_generic; |
1132 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_generic; |
1133 | 3512779a | bellard | } |
1134 | 24236869 | bellard | |
1135 | 24236869 | bellard | vnc_dpy_resize(vs->ds, vs->ds->width, vs->ds->height); |
1136 | 24236869 | bellard | memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row)); |
1137 | 24236869 | bellard | memset(vs->old_data, 42, vs->ds->linesize * vs->ds->height);
|
1138 | 24236869 | bellard | |
1139 | 24236869 | bellard | vga_hw_invalidate(); |
1140 | 24236869 | bellard | vga_hw_update(); |
1141 | 24236869 | bellard | } |
1142 | 24236869 | bellard | |
1143 | 24236869 | bellard | static int protocol_client_msg(VncState *vs, char *data, size_t len) |
1144 | 24236869 | bellard | { |
1145 | 24236869 | bellard | int i;
|
1146 | 24236869 | bellard | uint16_t limit; |
1147 | 24236869 | bellard | |
1148 | 24236869 | bellard | switch (data[0]) { |
1149 | 24236869 | bellard | case 0: |
1150 | 24236869 | bellard | if (len == 1) |
1151 | 24236869 | bellard | return 20; |
1152 | 24236869 | bellard | |
1153 | 24236869 | bellard | set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5), |
1154 | 24236869 | bellard | read_u8(data, 6), read_u8(data, 7), |
1155 | 24236869 | bellard | read_u16(data, 8), read_u16(data, 10), |
1156 | 24236869 | bellard | read_u16(data, 12), read_u8(data, 14), |
1157 | 24236869 | bellard | read_u8(data, 15), read_u8(data, 16)); |
1158 | 24236869 | bellard | break;
|
1159 | 24236869 | bellard | case 2: |
1160 | 24236869 | bellard | if (len == 1) |
1161 | 24236869 | bellard | return 4; |
1162 | 24236869 | bellard | |
1163 | 24236869 | bellard | if (len == 4) |
1164 | 24236869 | bellard | return 4 + (read_u16(data, 2) * 4); |
1165 | 24236869 | bellard | |
1166 | 24236869 | bellard | limit = read_u16(data, 2);
|
1167 | 24236869 | bellard | for (i = 0; i < limit; i++) { |
1168 | 24236869 | bellard | int32_t val = read_s32(data, 4 + (i * 4)); |
1169 | 24236869 | bellard | memcpy(data + 4 + (i * 4), &val, sizeof(val)); |
1170 | 24236869 | bellard | } |
1171 | 24236869 | bellard | |
1172 | 24236869 | bellard | set_encodings(vs, (int32_t *)(data + 4), limit);
|
1173 | 24236869 | bellard | break;
|
1174 | 24236869 | bellard | case 3: |
1175 | 24236869 | bellard | if (len == 1) |
1176 | 24236869 | bellard | return 10; |
1177 | 24236869 | bellard | |
1178 | 24236869 | bellard | framebuffer_update_request(vs, |
1179 | 24236869 | bellard | read_u8(data, 1), read_u16(data, 2), read_u16(data, 4), |
1180 | 24236869 | bellard | read_u16(data, 6), read_u16(data, 8)); |
1181 | 24236869 | bellard | break;
|
1182 | 24236869 | bellard | case 4: |
1183 | 24236869 | bellard | if (len == 1) |
1184 | 24236869 | bellard | return 8; |
1185 | 24236869 | bellard | |
1186 | 24236869 | bellard | key_event(vs, read_u8(data, 1), read_u32(data, 4)); |
1187 | 24236869 | bellard | break;
|
1188 | 24236869 | bellard | case 5: |
1189 | 24236869 | bellard | if (len == 1) |
1190 | 24236869 | bellard | return 6; |
1191 | 24236869 | bellard | |
1192 | 24236869 | bellard | pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4)); |
1193 | 24236869 | bellard | break;
|
1194 | 24236869 | bellard | case 6: |
1195 | 24236869 | bellard | if (len == 1) |
1196 | 24236869 | bellard | return 8; |
1197 | 24236869 | bellard | |
1198 | baa7666c | ths | if (len == 8) { |
1199 | baa7666c | ths | uint32_t dlen = read_u32(data, 4);
|
1200 | baa7666c | ths | if (dlen > 0) |
1201 | baa7666c | ths | return 8 + dlen; |
1202 | baa7666c | ths | } |
1203 | 24236869 | bellard | |
1204 | 24236869 | bellard | client_cut_text(vs, read_u32(data, 4), data + 8); |
1205 | 24236869 | bellard | break;
|
1206 | 24236869 | bellard | default:
|
1207 | 24236869 | bellard | printf("Msg: %d\n", data[0]); |
1208 | 24236869 | bellard | vnc_client_error(vs); |
1209 | 24236869 | bellard | break;
|
1210 | 24236869 | bellard | } |
1211 | 5fafdf24 | ths | |
1212 | 24236869 | bellard | vnc_read_when(vs, protocol_client_msg, 1);
|
1213 | 24236869 | bellard | return 0; |
1214 | 24236869 | bellard | } |
1215 | 24236869 | bellard | |
1216 | 24236869 | bellard | static int protocol_client_init(VncState *vs, char *data, size_t len) |
1217 | 24236869 | bellard | { |
1218 | 24236869 | bellard | char pad[3] = { 0, 0, 0 }; |
1219 | c35734b2 | ths | char buf[1024]; |
1220 | c35734b2 | ths | int size;
|
1221 | 24236869 | bellard | |
1222 | 24236869 | bellard | vs->width = vs->ds->width; |
1223 | 24236869 | bellard | vs->height = vs->ds->height; |
1224 | 24236869 | bellard | vnc_write_u16(vs, vs->ds->width); |
1225 | 24236869 | bellard | vnc_write_u16(vs, vs->ds->height); |
1226 | 24236869 | bellard | |
1227 | 24236869 | bellard | vnc_write_u8(vs, vs->depth * 8); /* bits-per-pixel */ |
1228 | 24236869 | bellard | vnc_write_u8(vs, vs->depth * 8); /* depth */ |
1229 | 3512779a | bellard | #ifdef WORDS_BIGENDIAN
|
1230 | 3512779a | bellard | vnc_write_u8(vs, 1); /* big-endian-flag */ |
1231 | 3512779a | bellard | #else
|
1232 | 24236869 | bellard | vnc_write_u8(vs, 0); /* big-endian-flag */ |
1233 | 3512779a | bellard | #endif
|
1234 | 24236869 | bellard | vnc_write_u8(vs, 1); /* true-color-flag */ |
1235 | 24236869 | bellard | if (vs->depth == 4) { |
1236 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* red-max */ |
1237 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* green-max */ |
1238 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* blue-max */ |
1239 | 24236869 | bellard | vnc_write_u8(vs, 16); /* red-shift */ |
1240 | 24236869 | bellard | vnc_write_u8(vs, 8); /* green-shift */ |
1241 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
1242 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_32; |
1243 | 24236869 | bellard | } else if (vs->depth == 2) { |
1244 | 24236869 | bellard | vnc_write_u16(vs, 31); /* red-max */ |
1245 | 24236869 | bellard | vnc_write_u16(vs, 63); /* green-max */ |
1246 | 24236869 | bellard | vnc_write_u16(vs, 31); /* blue-max */ |
1247 | 24236869 | bellard | vnc_write_u8(vs, 11); /* red-shift */ |
1248 | 24236869 | bellard | vnc_write_u8(vs, 5); /* green-shift */ |
1249 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
1250 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_16; |
1251 | 24236869 | bellard | } else if (vs->depth == 1) { |
1252 | 3512779a | bellard | /* XXX: change QEMU pixel 8 bit pixel format to match the VNC one ? */
|
1253 | 3512779a | bellard | vnc_write_u16(vs, 7); /* red-max */ |
1254 | 24236869 | bellard | vnc_write_u16(vs, 7); /* green-max */ |
1255 | 24236869 | bellard | vnc_write_u16(vs, 3); /* blue-max */ |
1256 | 24236869 | bellard | vnc_write_u8(vs, 5); /* red-shift */ |
1257 | 24236869 | bellard | vnc_write_u8(vs, 2); /* green-shift */ |
1258 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
1259 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_8; |
1260 | 24236869 | bellard | } |
1261 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_copy; |
1262 | 5fafdf24 | ths | |
1263 | 24236869 | bellard | vnc_write(vs, pad, 3); /* padding */ |
1264 | 24236869 | bellard | |
1265 | c35734b2 | ths | if (qemu_name)
|
1266 | c35734b2 | ths | size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name); |
1267 | c35734b2 | ths | else
|
1268 | c35734b2 | ths | size = snprintf(buf, sizeof(buf), "QEMU"); |
1269 | c35734b2 | ths | |
1270 | c35734b2 | ths | vnc_write_u32(vs, size); |
1271 | c35734b2 | ths | vnc_write(vs, buf, size); |
1272 | 24236869 | bellard | vnc_flush(vs); |
1273 | 24236869 | bellard | |
1274 | 24236869 | bellard | vnc_read_when(vs, protocol_client_msg, 1);
|
1275 | 24236869 | bellard | |
1276 | 24236869 | bellard | return 0; |
1277 | 24236869 | bellard | } |
1278 | 24236869 | bellard | |
1279 | 70848515 | ths | static void make_challenge(VncState *vs) |
1280 | 70848515 | ths | { |
1281 | 70848515 | ths | int i;
|
1282 | 70848515 | ths | |
1283 | 70848515 | ths | srand(time(NULL)+getpid()+getpid()*987654+rand()); |
1284 | 70848515 | ths | |
1285 | 70848515 | ths | for (i = 0 ; i < sizeof(vs->challenge) ; i++) |
1286 | 70848515 | ths | vs->challenge[i] = (int) (256.0*rand()/(RAND_MAX+1.0)); |
1287 | 70848515 | ths | } |
1288 | 70848515 | ths | |
1289 | 70848515 | ths | static int protocol_client_auth_vnc(VncState *vs, char *data, size_t len) |
1290 | 70848515 | ths | { |
1291 | 70848515 | ths | char response[VNC_AUTH_CHALLENGE_SIZE];
|
1292 | 70848515 | ths | int i, j, pwlen;
|
1293 | 70848515 | ths | char key[8]; |
1294 | 70848515 | ths | |
1295 | 70848515 | ths | if (!vs->password || !vs->password[0]) { |
1296 | 70848515 | ths | VNC_DEBUG("No password configured on server");
|
1297 | 70848515 | ths | vnc_write_u32(vs, 1); /* Reject auth */ |
1298 | 70848515 | ths | if (vs->minor >= 8) { |
1299 | 70848515 | ths | static const char err[] = "Authentication failed"; |
1300 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
1301 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
1302 | 70848515 | ths | } |
1303 | 70848515 | ths | vnc_flush(vs); |
1304 | 70848515 | ths | vnc_client_error(vs); |
1305 | 70848515 | ths | return 0; |
1306 | 70848515 | ths | } |
1307 | 70848515 | ths | |
1308 | 70848515 | ths | memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE); |
1309 | 70848515 | ths | |
1310 | 70848515 | ths | /* Calculate the expected challenge response */
|
1311 | 70848515 | ths | pwlen = strlen(vs->password); |
1312 | 70848515 | ths | for (i=0; i<sizeof(key); i++) |
1313 | 70848515 | ths | key[i] = i<pwlen ? vs->password[i] : 0;
|
1314 | 70848515 | ths | deskey(key, EN0); |
1315 | 70848515 | ths | for (j = 0; j < VNC_AUTH_CHALLENGE_SIZE; j += 8) |
1316 | 70848515 | ths | des(response+j, response+j); |
1317 | 70848515 | ths | |
1318 | 70848515 | ths | /* Compare expected vs actual challenge response */
|
1319 | 70848515 | ths | if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) { |
1320 | 70848515 | ths | VNC_DEBUG("Client challenge reponse did not match\n");
|
1321 | 70848515 | ths | vnc_write_u32(vs, 1); /* Reject auth */ |
1322 | 70848515 | ths | if (vs->minor >= 8) { |
1323 | 70848515 | ths | static const char err[] = "Authentication failed"; |
1324 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
1325 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
1326 | 70848515 | ths | } |
1327 | 70848515 | ths | vnc_flush(vs); |
1328 | 70848515 | ths | vnc_client_error(vs); |
1329 | 70848515 | ths | } else {
|
1330 | 70848515 | ths | VNC_DEBUG("Accepting VNC challenge response\n");
|
1331 | 70848515 | ths | vnc_write_u32(vs, 0); /* Accept auth */ |
1332 | 70848515 | ths | vnc_flush(vs); |
1333 | 70848515 | ths | |
1334 | 70848515 | ths | vnc_read_when(vs, protocol_client_init, 1);
|
1335 | 70848515 | ths | } |
1336 | 70848515 | ths | return 0; |
1337 | 70848515 | ths | } |
1338 | 70848515 | ths | |
1339 | 70848515 | ths | static int start_auth_vnc(VncState *vs) |
1340 | 70848515 | ths | { |
1341 | 70848515 | ths | make_challenge(vs); |
1342 | 70848515 | ths | /* Send client a 'random' challenge */
|
1343 | 70848515 | ths | vnc_write(vs, vs->challenge, sizeof(vs->challenge));
|
1344 | 70848515 | ths | vnc_flush(vs); |
1345 | 70848515 | ths | |
1346 | 70848515 | ths | vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge));
|
1347 | 70848515 | ths | return 0; |
1348 | 70848515 | ths | } |
1349 | 70848515 | ths | |
1350 | 8d5d2d4c | ths | |
1351 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
1352 | 8d5d2d4c | ths | #define DH_BITS 1024 |
1353 | 8d5d2d4c | ths | static gnutls_dh_params_t dh_params;
|
1354 | 8d5d2d4c | ths | |
1355 | 8d5d2d4c | ths | static int vnc_tls_initialize(void) |
1356 | 8d5d2d4c | ths | { |
1357 | 8d5d2d4c | ths | static int tlsinitialized = 0; |
1358 | 8d5d2d4c | ths | |
1359 | 8d5d2d4c | ths | if (tlsinitialized)
|
1360 | 8d5d2d4c | ths | return 1; |
1361 | 8d5d2d4c | ths | |
1362 | 8d5d2d4c | ths | if (gnutls_global_init () < 0) |
1363 | 8d5d2d4c | ths | return 0; |
1364 | 8d5d2d4c | ths | |
1365 | 8d5d2d4c | ths | /* XXX ought to re-generate diffie-hellmen params periodically */
|
1366 | 8d5d2d4c | ths | if (gnutls_dh_params_init (&dh_params) < 0) |
1367 | 8d5d2d4c | ths | return 0; |
1368 | 8d5d2d4c | ths | if (gnutls_dh_params_generate2 (dh_params, DH_BITS) < 0) |
1369 | 8d5d2d4c | ths | return 0; |
1370 | 8d5d2d4c | ths | |
1371 | 8d5d2d4c | ths | #if _VNC_DEBUG == 2 |
1372 | 8d5d2d4c | ths | gnutls_global_set_log_level(10);
|
1373 | 8d5d2d4c | ths | gnutls_global_set_log_function(vnc_debug_gnutls_log); |
1374 | 8d5d2d4c | ths | #endif
|
1375 | 8d5d2d4c | ths | |
1376 | 8d5d2d4c | ths | tlsinitialized = 1;
|
1377 | 8d5d2d4c | ths | |
1378 | 8d5d2d4c | ths | return 1; |
1379 | 8d5d2d4c | ths | } |
1380 | 8d5d2d4c | ths | |
1381 | 8d5d2d4c | ths | static gnutls_anon_server_credentials vnc_tls_initialize_anon_cred(void) |
1382 | 8d5d2d4c | ths | { |
1383 | 8d5d2d4c | ths | gnutls_anon_server_credentials anon_cred; |
1384 | 8d5d2d4c | ths | int ret;
|
1385 | 8d5d2d4c | ths | |
1386 | 8d5d2d4c | ths | if ((ret = gnutls_anon_allocate_server_credentials(&anon_cred)) < 0) { |
1387 | 8d5d2d4c | ths | VNC_DEBUG("Cannot allocate credentials %s\n", gnutls_strerror(ret));
|
1388 | 8d5d2d4c | ths | return NULL; |
1389 | 8d5d2d4c | ths | } |
1390 | 8d5d2d4c | ths | |
1391 | 8d5d2d4c | ths | gnutls_anon_set_server_dh_params(anon_cred, dh_params); |
1392 | 8d5d2d4c | ths | |
1393 | 8d5d2d4c | ths | return anon_cred;
|
1394 | 8d5d2d4c | ths | } |
1395 | 8d5d2d4c | ths | |
1396 | 8d5d2d4c | ths | |
1397 | 6f43024c | ths | static gnutls_certificate_credentials_t vnc_tls_initialize_x509_cred(VncState *vs)
|
1398 | 3a702699 | ths | { |
1399 | 3a702699 | ths | gnutls_certificate_credentials_t x509_cred; |
1400 | 3a702699 | ths | int ret;
|
1401 | 6f43024c | ths | |
1402 | 6f43024c | ths | if (!vs->x509cacert) {
|
1403 | 6f43024c | ths | VNC_DEBUG("No CA x509 certificate specified\n");
|
1404 | 6f43024c | ths | return NULL; |
1405 | 6f43024c | ths | } |
1406 | 6f43024c | ths | if (!vs->x509cert) {
|
1407 | 6f43024c | ths | VNC_DEBUG("No server x509 certificate specified\n");
|
1408 | 6f43024c | ths | return NULL; |
1409 | 6f43024c | ths | } |
1410 | 6f43024c | ths | if (!vs->x509key) {
|
1411 | 6f43024c | ths | VNC_DEBUG("No server private key specified\n");
|
1412 | 6f43024c | ths | return NULL; |
1413 | 6f43024c | ths | } |
1414 | 3a702699 | ths | |
1415 | 3a702699 | ths | if ((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0) { |
1416 | 3a702699 | ths | VNC_DEBUG("Cannot allocate credentials %s\n", gnutls_strerror(ret));
|
1417 | 3a702699 | ths | return NULL; |
1418 | 3a702699 | ths | } |
1419 | 6f43024c | ths | if ((ret = gnutls_certificate_set_x509_trust_file(x509_cred,
|
1420 | 6f43024c | ths | vs->x509cacert, |
1421 | 6f43024c | ths | GNUTLS_X509_FMT_PEM)) < 0) {
|
1422 | 3a702699 | ths | VNC_DEBUG("Cannot load CA certificate %s\n", gnutls_strerror(ret));
|
1423 | 3a702699 | ths | gnutls_certificate_free_credentials(x509_cred); |
1424 | 3a702699 | ths | return NULL; |
1425 | 3a702699 | ths | } |
1426 | 3a702699 | ths | |
1427 | 6f43024c | ths | if ((ret = gnutls_certificate_set_x509_key_file (x509_cred,
|
1428 | 6f43024c | ths | vs->x509cert, |
1429 | 6f43024c | ths | vs->x509key, |
1430 | 3a702699 | ths | GNUTLS_X509_FMT_PEM)) < 0) {
|
1431 | 3a702699 | ths | VNC_DEBUG("Cannot load certificate & key %s\n", gnutls_strerror(ret));
|
1432 | 3a702699 | ths | gnutls_certificate_free_credentials(x509_cred); |
1433 | 3a702699 | ths | return NULL; |
1434 | 3a702699 | ths | } |
1435 | 3a702699 | ths | |
1436 | 6f43024c | ths | if (vs->x509cacrl) {
|
1437 | 6f43024c | ths | if ((ret = gnutls_certificate_set_x509_crl_file(x509_cred,
|
1438 | 6f43024c | ths | vs->x509cacrl, |
1439 | 6f43024c | ths | GNUTLS_X509_FMT_PEM)) < 0) {
|
1440 | 3a702699 | ths | VNC_DEBUG("Cannot load CRL %s\n", gnutls_strerror(ret));
|
1441 | 3a702699 | ths | gnutls_certificate_free_credentials(x509_cred); |
1442 | 3a702699 | ths | return NULL; |
1443 | 3a702699 | ths | } |
1444 | 3a702699 | ths | } |
1445 | 3a702699 | ths | |
1446 | 3a702699 | ths | gnutls_certificate_set_dh_params (x509_cred, dh_params); |
1447 | 3a702699 | ths | |
1448 | 3a702699 | ths | return x509_cred;
|
1449 | 3a702699 | ths | } |
1450 | 3a702699 | ths | |
1451 | 469b15c6 | ths | static int vnc_validate_certificate(struct VncState *vs) |
1452 | 469b15c6 | ths | { |
1453 | 469b15c6 | ths | int ret;
|
1454 | 469b15c6 | ths | unsigned int status; |
1455 | 469b15c6 | ths | const gnutls_datum_t *certs;
|
1456 | 469b15c6 | ths | unsigned int nCerts, i; |
1457 | 469b15c6 | ths | time_t now; |
1458 | 469b15c6 | ths | |
1459 | 469b15c6 | ths | VNC_DEBUG("Validating client certificate\n");
|
1460 | 469b15c6 | ths | if ((ret = gnutls_certificate_verify_peers2 (vs->tls_session, &status)) < 0) { |
1461 | 469b15c6 | ths | VNC_DEBUG("Verify failed %s\n", gnutls_strerror(ret));
|
1462 | 469b15c6 | ths | return -1; |
1463 | 469b15c6 | ths | } |
1464 | 469b15c6 | ths | |
1465 | 469b15c6 | ths | if ((now = time(NULL)) == ((time_t)-1)) { |
1466 | 469b15c6 | ths | return -1; |
1467 | 469b15c6 | ths | } |
1468 | 469b15c6 | ths | |
1469 | 469b15c6 | ths | if (status != 0) { |
1470 | 469b15c6 | ths | if (status & GNUTLS_CERT_INVALID)
|
1471 | 469b15c6 | ths | VNC_DEBUG("The certificate is not trusted.\n");
|
1472 | 469b15c6 | ths | |
1473 | 469b15c6 | ths | if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
|
1474 | 469b15c6 | ths | VNC_DEBUG("The certificate hasn't got a known issuer.\n");
|
1475 | 469b15c6 | ths | |
1476 | 469b15c6 | ths | if (status & GNUTLS_CERT_REVOKED)
|
1477 | 469b15c6 | ths | VNC_DEBUG("The certificate has been revoked.\n");
|
1478 | 469b15c6 | ths | |
1479 | 469b15c6 | ths | if (status & GNUTLS_CERT_INSECURE_ALGORITHM)
|
1480 | 469b15c6 | ths | VNC_DEBUG("The certificate uses an insecure algorithm\n");
|
1481 | 469b15c6 | ths | |
1482 | 469b15c6 | ths | return -1; |
1483 | 469b15c6 | ths | } else {
|
1484 | 469b15c6 | ths | VNC_DEBUG("Certificate is valid!\n");
|
1485 | 469b15c6 | ths | } |
1486 | 469b15c6 | ths | |
1487 | 469b15c6 | ths | /* Only support x509 for now */
|
1488 | 469b15c6 | ths | if (gnutls_certificate_type_get(vs->tls_session) != GNUTLS_CRT_X509)
|
1489 | 469b15c6 | ths | return -1; |
1490 | 469b15c6 | ths | |
1491 | 469b15c6 | ths | if (!(certs = gnutls_certificate_get_peers(vs->tls_session, &nCerts)))
|
1492 | 469b15c6 | ths | return -1; |
1493 | 469b15c6 | ths | |
1494 | 469b15c6 | ths | for (i = 0 ; i < nCerts ; i++) { |
1495 | 469b15c6 | ths | gnutls_x509_crt_t cert; |
1496 | 469b15c6 | ths | VNC_DEBUG ("Checking certificate chain %d\n", i);
|
1497 | 469b15c6 | ths | if (gnutls_x509_crt_init (&cert) < 0) |
1498 | 469b15c6 | ths | return -1; |
1499 | 469b15c6 | ths | |
1500 | 469b15c6 | ths | if (gnutls_x509_crt_import(cert, &certs[i], GNUTLS_X509_FMT_DER) < 0) { |
1501 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1502 | 469b15c6 | ths | return -1; |
1503 | 469b15c6 | ths | } |
1504 | 469b15c6 | ths | |
1505 | 469b15c6 | ths | if (gnutls_x509_crt_get_expiration_time (cert) < now) {
|
1506 | 469b15c6 | ths | VNC_DEBUG("The certificate has expired\n");
|
1507 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1508 | 469b15c6 | ths | return -1; |
1509 | 469b15c6 | ths | } |
1510 | 469b15c6 | ths | |
1511 | 469b15c6 | ths | if (gnutls_x509_crt_get_activation_time (cert) > now) {
|
1512 | 469b15c6 | ths | VNC_DEBUG("The certificate is not yet activated\n");
|
1513 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1514 | 469b15c6 | ths | return -1; |
1515 | 469b15c6 | ths | } |
1516 | 469b15c6 | ths | |
1517 | 469b15c6 | ths | if (gnutls_x509_crt_get_activation_time (cert) > now) {
|
1518 | 469b15c6 | ths | VNC_DEBUG("The certificate is not yet activated\n");
|
1519 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1520 | 469b15c6 | ths | return -1; |
1521 | 469b15c6 | ths | } |
1522 | 469b15c6 | ths | |
1523 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1524 | 469b15c6 | ths | } |
1525 | 469b15c6 | ths | |
1526 | 469b15c6 | ths | return 0; |
1527 | 469b15c6 | ths | } |
1528 | 469b15c6 | ths | |
1529 | 469b15c6 | ths | |
1530 | 8d5d2d4c | ths | static int start_auth_vencrypt_subauth(VncState *vs) |
1531 | 8d5d2d4c | ths | { |
1532 | 8d5d2d4c | ths | switch (vs->subauth) {
|
1533 | 8d5d2d4c | ths | case VNC_AUTH_VENCRYPT_TLSNONE:
|
1534 | 3a702699 | ths | case VNC_AUTH_VENCRYPT_X509NONE:
|
1535 | 8d5d2d4c | ths | VNC_DEBUG("Accept TLS auth none\n");
|
1536 | 8d5d2d4c | ths | vnc_write_u32(vs, 0); /* Accept auth completion */ |
1537 | 8d5d2d4c | ths | vnc_read_when(vs, protocol_client_init, 1);
|
1538 | 8d5d2d4c | ths | break;
|
1539 | 8d5d2d4c | ths | |
1540 | 8d5d2d4c | ths | case VNC_AUTH_VENCRYPT_TLSVNC:
|
1541 | 3a702699 | ths | case VNC_AUTH_VENCRYPT_X509VNC:
|
1542 | 8d5d2d4c | ths | VNC_DEBUG("Start TLS auth VNC\n");
|
1543 | 8d5d2d4c | ths | return start_auth_vnc(vs);
|
1544 | 8d5d2d4c | ths | |
1545 | 8d5d2d4c | ths | default: /* Should not be possible, but just in case */ |
1546 | 8d5d2d4c | ths | VNC_DEBUG("Reject auth %d\n", vs->auth);
|
1547 | 8d5d2d4c | ths | vnc_write_u8(vs, 1);
|
1548 | 8d5d2d4c | ths | if (vs->minor >= 8) { |
1549 | 8d5d2d4c | ths | static const char err[] = "Unsupported authentication type"; |
1550 | 8d5d2d4c | ths | vnc_write_u32(vs, sizeof(err));
|
1551 | 8d5d2d4c | ths | vnc_write(vs, err, sizeof(err));
|
1552 | 8d5d2d4c | ths | } |
1553 | 8d5d2d4c | ths | vnc_client_error(vs); |
1554 | 8d5d2d4c | ths | } |
1555 | 8d5d2d4c | ths | |
1556 | 8d5d2d4c | ths | return 0; |
1557 | 8d5d2d4c | ths | } |
1558 | 8d5d2d4c | ths | |
1559 | 8d5d2d4c | ths | static void vnc_handshake_io(void *opaque); |
1560 | 8d5d2d4c | ths | |
1561 | 8d5d2d4c | ths | static int vnc_continue_handshake(struct VncState *vs) { |
1562 | 8d5d2d4c | ths | int ret;
|
1563 | 8d5d2d4c | ths | |
1564 | 8d5d2d4c | ths | if ((ret = gnutls_handshake(vs->tls_session)) < 0) { |
1565 | 8d5d2d4c | ths | if (!gnutls_error_is_fatal(ret)) {
|
1566 | 8d5d2d4c | ths | VNC_DEBUG("Handshake interrupted (blocking)\n");
|
1567 | 8d5d2d4c | ths | if (!gnutls_record_get_direction(vs->tls_session))
|
1568 | 8d5d2d4c | ths | qemu_set_fd_handler(vs->csock, vnc_handshake_io, NULL, vs);
|
1569 | 8d5d2d4c | ths | else
|
1570 | 8d5d2d4c | ths | qemu_set_fd_handler(vs->csock, NULL, vnc_handshake_io, vs);
|
1571 | 8d5d2d4c | ths | return 0; |
1572 | 8d5d2d4c | ths | } |
1573 | 8d5d2d4c | ths | VNC_DEBUG("Handshake failed %s\n", gnutls_strerror(ret));
|
1574 | 8d5d2d4c | ths | vnc_client_error(vs); |
1575 | 8d5d2d4c | ths | return -1; |
1576 | 8d5d2d4c | ths | } |
1577 | 8d5d2d4c | ths | |
1578 | 469b15c6 | ths | if (vs->x509verify) {
|
1579 | 469b15c6 | ths | if (vnc_validate_certificate(vs) < 0) { |
1580 | 469b15c6 | ths | VNC_DEBUG("Client verification failed\n");
|
1581 | 469b15c6 | ths | vnc_client_error(vs); |
1582 | 469b15c6 | ths | return -1; |
1583 | 469b15c6 | ths | } else {
|
1584 | 469b15c6 | ths | VNC_DEBUG("Client verification passed\n");
|
1585 | 469b15c6 | ths | } |
1586 | 469b15c6 | ths | } |
1587 | 469b15c6 | ths | |
1588 | 8d5d2d4c | ths | VNC_DEBUG("Handshake done, switching to TLS data mode\n");
|
1589 | 8d5d2d4c | ths | vs->wiremode = VNC_WIREMODE_TLS; |
1590 | 8d5d2d4c | ths | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
|
1591 | 8d5d2d4c | ths | |
1592 | 8d5d2d4c | ths | return start_auth_vencrypt_subauth(vs);
|
1593 | 8d5d2d4c | ths | } |
1594 | 8d5d2d4c | ths | |
1595 | 8d5d2d4c | ths | static void vnc_handshake_io(void *opaque) { |
1596 | 8d5d2d4c | ths | struct VncState *vs = (struct VncState *)opaque; |
1597 | 8d5d2d4c | ths | |
1598 | 8d5d2d4c | ths | VNC_DEBUG("Handshake IO continue\n");
|
1599 | 8d5d2d4c | ths | vnc_continue_handshake(vs); |
1600 | 8d5d2d4c | ths | } |
1601 | 8d5d2d4c | ths | |
1602 | 3a702699 | ths | #define NEED_X509_AUTH(vs) \
|
1603 | 3a702699 | ths | ((vs)->subauth == VNC_AUTH_VENCRYPT_X509NONE || \ |
1604 | 3a702699 | ths | (vs)->subauth == VNC_AUTH_VENCRYPT_X509VNC || \ |
1605 | 3a702699 | ths | (vs)->subauth == VNC_AUTH_VENCRYPT_X509PLAIN) |
1606 | 3a702699 | ths | |
1607 | 3a702699 | ths | |
1608 | 8d5d2d4c | ths | static int vnc_start_tls(struct VncState *vs) { |
1609 | 8d5d2d4c | ths | static const int cert_type_priority[] = { GNUTLS_CRT_X509, 0 }; |
1610 | 8d5d2d4c | ths | static const int protocol_priority[]= { GNUTLS_TLS1_1, GNUTLS_TLS1_0, GNUTLS_SSL3, 0 }; |
1611 | 8d5d2d4c | ths | static const int kx_anon[] = {GNUTLS_KX_ANON_DH, 0}; |
1612 | 3a702699 | ths | static const int kx_x509[] = {GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA, GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0}; |
1613 | 8d5d2d4c | ths | |
1614 | 8d5d2d4c | ths | VNC_DEBUG("Do TLS setup\n");
|
1615 | 8d5d2d4c | ths | if (vnc_tls_initialize() < 0) { |
1616 | 8d5d2d4c | ths | VNC_DEBUG("Failed to init TLS\n");
|
1617 | 8d5d2d4c | ths | vnc_client_error(vs); |
1618 | 8d5d2d4c | ths | return -1; |
1619 | 8d5d2d4c | ths | } |
1620 | 8d5d2d4c | ths | if (vs->tls_session == NULL) { |
1621 | 8d5d2d4c | ths | if (gnutls_init(&vs->tls_session, GNUTLS_SERVER) < 0) { |
1622 | 8d5d2d4c | ths | vnc_client_error(vs); |
1623 | 8d5d2d4c | ths | return -1; |
1624 | 8d5d2d4c | ths | } |
1625 | 8d5d2d4c | ths | |
1626 | 8d5d2d4c | ths | if (gnutls_set_default_priority(vs->tls_session) < 0) { |
1627 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
1628 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
1629 | 8d5d2d4c | ths | vnc_client_error(vs); |
1630 | 8d5d2d4c | ths | return -1; |
1631 | 8d5d2d4c | ths | } |
1632 | 8d5d2d4c | ths | |
1633 | 3a702699 | ths | if (gnutls_kx_set_priority(vs->tls_session, NEED_X509_AUTH(vs) ? kx_x509 : kx_anon) < 0) { |
1634 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
1635 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
1636 | 8d5d2d4c | ths | vnc_client_error(vs); |
1637 | 8d5d2d4c | ths | return -1; |
1638 | 8d5d2d4c | ths | } |
1639 | 8d5d2d4c | ths | |
1640 | 8d5d2d4c | ths | if (gnutls_certificate_type_set_priority(vs->tls_session, cert_type_priority) < 0) { |
1641 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
1642 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
1643 | 8d5d2d4c | ths | vnc_client_error(vs); |
1644 | 8d5d2d4c | ths | return -1; |
1645 | 8d5d2d4c | ths | } |
1646 | 8d5d2d4c | ths | |
1647 | 8d5d2d4c | ths | if (gnutls_protocol_set_priority(vs->tls_session, protocol_priority) < 0) { |
1648 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
1649 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
1650 | 8d5d2d4c | ths | vnc_client_error(vs); |
1651 | 8d5d2d4c | ths | return -1; |
1652 | 8d5d2d4c | ths | } |
1653 | 8d5d2d4c | ths | |
1654 | 3a702699 | ths | if (NEED_X509_AUTH(vs)) {
|
1655 | 6f43024c | ths | gnutls_certificate_server_credentials x509_cred = vnc_tls_initialize_x509_cred(vs); |
1656 | 3a702699 | ths | if (!x509_cred) {
|
1657 | 3a702699 | ths | gnutls_deinit(vs->tls_session); |
1658 | 3a702699 | ths | vs->tls_session = NULL;
|
1659 | 3a702699 | ths | vnc_client_error(vs); |
1660 | 3a702699 | ths | return -1; |
1661 | 3a702699 | ths | } |
1662 | 3a702699 | ths | if (gnutls_credentials_set(vs->tls_session, GNUTLS_CRD_CERTIFICATE, x509_cred) < 0) { |
1663 | 3a702699 | ths | gnutls_deinit(vs->tls_session); |
1664 | 3a702699 | ths | vs->tls_session = NULL;
|
1665 | 3a702699 | ths | gnutls_certificate_free_credentials(x509_cred); |
1666 | 3a702699 | ths | vnc_client_error(vs); |
1667 | 3a702699 | ths | return -1; |
1668 | 3a702699 | ths | } |
1669 | 469b15c6 | ths | if (vs->x509verify) {
|
1670 | 469b15c6 | ths | VNC_DEBUG("Requesting a client certificate\n");
|
1671 | 469b15c6 | ths | gnutls_certificate_server_set_request (vs->tls_session, GNUTLS_CERT_REQUEST); |
1672 | 469b15c6 | ths | } |
1673 | 469b15c6 | ths | |
1674 | 3a702699 | ths | } else {
|
1675 | 3a702699 | ths | gnutls_anon_server_credentials anon_cred = vnc_tls_initialize_anon_cred(); |
1676 | 3a702699 | ths | if (!anon_cred) {
|
1677 | 3a702699 | ths | gnutls_deinit(vs->tls_session); |
1678 | 3a702699 | ths | vs->tls_session = NULL;
|
1679 | 3a702699 | ths | vnc_client_error(vs); |
1680 | 3a702699 | ths | return -1; |
1681 | 3a702699 | ths | } |
1682 | 3a702699 | ths | if (gnutls_credentials_set(vs->tls_session, GNUTLS_CRD_ANON, anon_cred) < 0) { |
1683 | 3a702699 | ths | gnutls_deinit(vs->tls_session); |
1684 | 3a702699 | ths | vs->tls_session = NULL;
|
1685 | 3a702699 | ths | gnutls_anon_free_server_credentials(anon_cred); |
1686 | 3a702699 | ths | vnc_client_error(vs); |
1687 | 3a702699 | ths | return -1; |
1688 | 3a702699 | ths | } |
1689 | 8d5d2d4c | ths | } |
1690 | 8d5d2d4c | ths | |
1691 | 8d5d2d4c | ths | gnutls_transport_set_ptr(vs->tls_session, (gnutls_transport_ptr_t)vs); |
1692 | 8d5d2d4c | ths | gnutls_transport_set_push_function(vs->tls_session, vnc_tls_push); |
1693 | 8d5d2d4c | ths | gnutls_transport_set_pull_function(vs->tls_session, vnc_tls_pull); |
1694 | 8d5d2d4c | ths | } |
1695 | 8d5d2d4c | ths | |
1696 | 8d5d2d4c | ths | VNC_DEBUG("Start TLS handshake process\n");
|
1697 | 8d5d2d4c | ths | return vnc_continue_handshake(vs);
|
1698 | 8d5d2d4c | ths | } |
1699 | 8d5d2d4c | ths | |
1700 | 8d5d2d4c | ths | static int protocol_client_vencrypt_auth(VncState *vs, char *data, size_t len) |
1701 | 8d5d2d4c | ths | { |
1702 | 8d5d2d4c | ths | int auth = read_u32(data, 0); |
1703 | 8d5d2d4c | ths | |
1704 | 8d5d2d4c | ths | if (auth != vs->subauth) {
|
1705 | 8d5d2d4c | ths | VNC_DEBUG("Rejecting auth %d\n", auth);
|
1706 | 8d5d2d4c | ths | vnc_write_u8(vs, 0); /* Reject auth */ |
1707 | 8d5d2d4c | ths | vnc_flush(vs); |
1708 | 8d5d2d4c | ths | vnc_client_error(vs); |
1709 | 8d5d2d4c | ths | } else {
|
1710 | 8d5d2d4c | ths | VNC_DEBUG("Accepting auth %d, starting handshake\n", auth);
|
1711 | 8d5d2d4c | ths | vnc_write_u8(vs, 1); /* Accept auth */ |
1712 | 8d5d2d4c | ths | vnc_flush(vs); |
1713 | 8d5d2d4c | ths | |
1714 | 8d5d2d4c | ths | if (vnc_start_tls(vs) < 0) { |
1715 | 8d5d2d4c | ths | VNC_DEBUG("Failed to complete TLS\n");
|
1716 | 8d5d2d4c | ths | return 0; |
1717 | 8d5d2d4c | ths | } |
1718 | 8d5d2d4c | ths | |
1719 | 8d5d2d4c | ths | if (vs->wiremode == VNC_WIREMODE_TLS) {
|
1720 | 8d5d2d4c | ths | VNC_DEBUG("Starting VeNCrypt subauth\n");
|
1721 | 8d5d2d4c | ths | return start_auth_vencrypt_subauth(vs);
|
1722 | 8d5d2d4c | ths | } else {
|
1723 | 8d5d2d4c | ths | VNC_DEBUG("TLS handshake blocked\n");
|
1724 | 8d5d2d4c | ths | return 0; |
1725 | 8d5d2d4c | ths | } |
1726 | 8d5d2d4c | ths | } |
1727 | 8d5d2d4c | ths | return 0; |
1728 | 8d5d2d4c | ths | } |
1729 | 8d5d2d4c | ths | |
1730 | 8d5d2d4c | ths | static int protocol_client_vencrypt_init(VncState *vs, char *data, size_t len) |
1731 | 8d5d2d4c | ths | { |
1732 | 8d5d2d4c | ths | if (data[0] != 0 || |
1733 | 8d5d2d4c | ths | data[1] != 2) { |
1734 | 8d5d2d4c | ths | VNC_DEBUG("Unsupported VeNCrypt protocol %d.%d\n", (int)data[0], (int)data[1]); |
1735 | 8d5d2d4c | ths | vnc_write_u8(vs, 1); /* Reject version */ |
1736 | 8d5d2d4c | ths | vnc_flush(vs); |
1737 | 8d5d2d4c | ths | vnc_client_error(vs); |
1738 | 8d5d2d4c | ths | } else {
|
1739 | 8d5d2d4c | ths | VNC_DEBUG("Sending allowed auth %d\n", vs->subauth);
|
1740 | 8d5d2d4c | ths | vnc_write_u8(vs, 0); /* Accept version */ |
1741 | 8d5d2d4c | ths | vnc_write_u8(vs, 1); /* Number of sub-auths */ |
1742 | 8d5d2d4c | ths | vnc_write_u32(vs, vs->subauth); /* The supported auth */
|
1743 | 8d5d2d4c | ths | vnc_flush(vs); |
1744 | 8d5d2d4c | ths | vnc_read_when(vs, protocol_client_vencrypt_auth, 4);
|
1745 | 8d5d2d4c | ths | } |
1746 | 8d5d2d4c | ths | return 0; |
1747 | 8d5d2d4c | ths | } |
1748 | 8d5d2d4c | ths | |
1749 | 8d5d2d4c | ths | static int start_auth_vencrypt(VncState *vs) |
1750 | 8d5d2d4c | ths | { |
1751 | 8d5d2d4c | ths | /* Send VeNCrypt version 0.2 */
|
1752 | 8d5d2d4c | ths | vnc_write_u8(vs, 0);
|
1753 | 8d5d2d4c | ths | vnc_write_u8(vs, 2);
|
1754 | 8d5d2d4c | ths | |
1755 | 8d5d2d4c | ths | vnc_read_when(vs, protocol_client_vencrypt_init, 2);
|
1756 | 8d5d2d4c | ths | return 0; |
1757 | 8d5d2d4c | ths | } |
1758 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
1759 | 8d5d2d4c | ths | |
1760 | 70848515 | ths | static int protocol_client_auth(VncState *vs, char *data, size_t len) |
1761 | 70848515 | ths | { |
1762 | 70848515 | ths | /* We only advertise 1 auth scheme at a time, so client
|
1763 | 70848515 | ths | * must pick the one we sent. Verify this */
|
1764 | 70848515 | ths | if (data[0] != vs->auth) { /* Reject auth */ |
1765 | 70848515 | ths | VNC_DEBUG("Reject auth %d\n", (int)data[0]); |
1766 | 70848515 | ths | vnc_write_u32(vs, 1);
|
1767 | 70848515 | ths | if (vs->minor >= 8) { |
1768 | 70848515 | ths | static const char err[] = "Authentication failed"; |
1769 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
1770 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
1771 | 70848515 | ths | } |
1772 | 70848515 | ths | vnc_client_error(vs); |
1773 | 70848515 | ths | } else { /* Accept requested auth */ |
1774 | 70848515 | ths | VNC_DEBUG("Client requested auth %d\n", (int)data[0]); |
1775 | 70848515 | ths | switch (vs->auth) {
|
1776 | 70848515 | ths | case VNC_AUTH_NONE:
|
1777 | 70848515 | ths | VNC_DEBUG("Accept auth none\n");
|
1778 | 70848515 | ths | vnc_write_u32(vs, 0); /* Accept auth completion */ |
1779 | 70848515 | ths | vnc_read_when(vs, protocol_client_init, 1);
|
1780 | 70848515 | ths | break;
|
1781 | 70848515 | ths | |
1782 | 70848515 | ths | case VNC_AUTH_VNC:
|
1783 | 70848515 | ths | VNC_DEBUG("Start VNC auth\n");
|
1784 | 70848515 | ths | return start_auth_vnc(vs);
|
1785 | 70848515 | ths | |
1786 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
1787 | 8d5d2d4c | ths | case VNC_AUTH_VENCRYPT:
|
1788 | 8d5d2d4c | ths | VNC_DEBUG("Accept VeNCrypt auth\n");;
|
1789 | 8d5d2d4c | ths | return start_auth_vencrypt(vs);
|
1790 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
1791 | 8d5d2d4c | ths | |
1792 | 70848515 | ths | default: /* Should not be possible, but just in case */ |
1793 | 70848515 | ths | VNC_DEBUG("Reject auth %d\n", vs->auth);
|
1794 | 70848515 | ths | vnc_write_u8(vs, 1);
|
1795 | 70848515 | ths | if (vs->minor >= 8) { |
1796 | 70848515 | ths | static const char err[] = "Authentication failed"; |
1797 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
1798 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
1799 | 70848515 | ths | } |
1800 | 70848515 | ths | vnc_client_error(vs); |
1801 | 70848515 | ths | } |
1802 | 70848515 | ths | } |
1803 | 70848515 | ths | return 0; |
1804 | 70848515 | ths | } |
1805 | 70848515 | ths | |
1806 | 24236869 | bellard | static int protocol_version(VncState *vs, char *version, size_t len) |
1807 | 24236869 | bellard | { |
1808 | 24236869 | bellard | char local[13]; |
1809 | 24236869 | bellard | |
1810 | 24236869 | bellard | memcpy(local, version, 12);
|
1811 | 24236869 | bellard | local[12] = 0; |
1812 | 24236869 | bellard | |
1813 | 70848515 | ths | if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) { |
1814 | 70848515 | ths | VNC_DEBUG("Malformed protocol version %s\n", local);
|
1815 | 24236869 | bellard | vnc_client_error(vs); |
1816 | 24236869 | bellard | return 0; |
1817 | 24236869 | bellard | } |
1818 | 70848515 | ths | VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor);
|
1819 | 70848515 | ths | if (vs->major != 3 || |
1820 | 70848515 | ths | (vs->minor != 3 &&
|
1821 | 70848515 | ths | vs->minor != 5 &&
|
1822 | 70848515 | ths | vs->minor != 7 &&
|
1823 | 70848515 | ths | vs->minor != 8)) {
|
1824 | 70848515 | ths | VNC_DEBUG("Unsupported client version\n");
|
1825 | 70848515 | ths | vnc_write_u32(vs, VNC_AUTH_INVALID); |
1826 | 70848515 | ths | vnc_flush(vs); |
1827 | 70848515 | ths | vnc_client_error(vs); |
1828 | 70848515 | ths | return 0; |
1829 | 70848515 | ths | } |
1830 | 70848515 | ths | /* Some broken client report v3.5 which spec requires to be treated
|
1831 | 70848515 | ths | * as equivalent to v3.3 by servers
|
1832 | 70848515 | ths | */
|
1833 | 70848515 | ths | if (vs->minor == 5) |
1834 | 70848515 | ths | vs->minor = 3;
|
1835 | 70848515 | ths | |
1836 | 70848515 | ths | if (vs->minor == 3) { |
1837 | 70848515 | ths | if (vs->auth == VNC_AUTH_NONE) {
|
1838 | 70848515 | ths | VNC_DEBUG("Tell client auth none\n");
|
1839 | 70848515 | ths | vnc_write_u32(vs, vs->auth); |
1840 | 70848515 | ths | vnc_flush(vs); |
1841 | 70848515 | ths | vnc_read_when(vs, protocol_client_init, 1);
|
1842 | 70848515 | ths | } else if (vs->auth == VNC_AUTH_VNC) { |
1843 | 70848515 | ths | VNC_DEBUG("Tell client VNC auth\n");
|
1844 | 70848515 | ths | vnc_write_u32(vs, vs->auth); |
1845 | 70848515 | ths | vnc_flush(vs); |
1846 | 70848515 | ths | start_auth_vnc(vs); |
1847 | 70848515 | ths | } else {
|
1848 | 70848515 | ths | VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth);
|
1849 | 70848515 | ths | vnc_write_u32(vs, VNC_AUTH_INVALID); |
1850 | 70848515 | ths | vnc_flush(vs); |
1851 | 70848515 | ths | vnc_client_error(vs); |
1852 | 70848515 | ths | } |
1853 | 70848515 | ths | } else {
|
1854 | 70848515 | ths | VNC_DEBUG("Telling client we support auth %d\n", vs->auth);
|
1855 | 70848515 | ths | vnc_write_u8(vs, 1); /* num auth */ |
1856 | 70848515 | ths | vnc_write_u8(vs, vs->auth); |
1857 | 70848515 | ths | vnc_read_when(vs, protocol_client_auth, 1);
|
1858 | 70848515 | ths | vnc_flush(vs); |
1859 | 70848515 | ths | } |
1860 | 24236869 | bellard | |
1861 | 24236869 | bellard | return 0; |
1862 | 24236869 | bellard | } |
1863 | 24236869 | bellard | |
1864 | 24236869 | bellard | static void vnc_listen_read(void *opaque) |
1865 | 24236869 | bellard | { |
1866 | 24236869 | bellard | VncState *vs = opaque; |
1867 | 24236869 | bellard | struct sockaddr_in addr;
|
1868 | 24236869 | bellard | socklen_t addrlen = sizeof(addr);
|
1869 | 24236869 | bellard | |
1870 | 24236869 | bellard | vs->csock = accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
|
1871 | 24236869 | bellard | if (vs->csock != -1) { |
1872 | 8d5d2d4c | ths | VNC_DEBUG("New client on socket %d\n", vs->csock);
|
1873 | 6ca957f0 | bellard | socket_set_nonblock(vs->csock); |
1874 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, opaque); |
1875 | 70848515 | ths | vnc_write(vs, "RFB 003.008\n", 12); |
1876 | 24236869 | bellard | vnc_flush(vs); |
1877 | 24236869 | bellard | vnc_read_when(vs, protocol_version, 12);
|
1878 | 24236869 | bellard | memset(vs->old_data, 0, vs->ds->linesize * vs->ds->height);
|
1879 | 24236869 | bellard | memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row)); |
1880 | 24236869 | bellard | vs->has_resize = 0;
|
1881 | 24236869 | bellard | vs->has_hextile = 0;
|
1882 | 24236869 | bellard | vs->ds->dpy_copy = NULL;
|
1883 | 24236869 | bellard | } |
1884 | 24236869 | bellard | } |
1885 | 24236869 | bellard | |
1886 | 73fc9742 | ths | extern int parse_host_port(struct sockaddr_in *saddr, const char *str); |
1887 | 73fc9742 | ths | |
1888 | 71cab5ca | ths | void vnc_display_init(DisplayState *ds)
|
1889 | 24236869 | bellard | { |
1890 | 24236869 | bellard | VncState *vs; |
1891 | 24236869 | bellard | |
1892 | 24236869 | bellard | vs = qemu_mallocz(sizeof(VncState));
|
1893 | 24236869 | bellard | if (!vs)
|
1894 | 24236869 | bellard | exit(1);
|
1895 | 24236869 | bellard | |
1896 | 24236869 | bellard | ds->opaque = vs; |
1897 | a9ce8590 | bellard | vnc_state = vs; |
1898 | 71cab5ca | ths | vs->display = NULL;
|
1899 | 70848515 | ths | vs->password = NULL;
|
1900 | 24236869 | bellard | |
1901 | 24236869 | bellard | vs->lsock = -1;
|
1902 | 24236869 | bellard | vs->csock = -1;
|
1903 | 24236869 | bellard | vs->depth = 4;
|
1904 | 564c337e | bellard | vs->last_x = -1;
|
1905 | 564c337e | bellard | vs->last_y = -1;
|
1906 | 24236869 | bellard | |
1907 | 24236869 | bellard | vs->ds = ds; |
1908 | 24236869 | bellard | |
1909 | 24236869 | bellard | if (!keyboard_layout)
|
1910 | 24236869 | bellard | keyboard_layout = "en-us";
|
1911 | 24236869 | bellard | |
1912 | 24236869 | bellard | vs->kbd_layout = init_keyboard_layout(keyboard_layout); |
1913 | 24236869 | bellard | if (!vs->kbd_layout)
|
1914 | 24236869 | bellard | exit(1);
|
1915 | 24236869 | bellard | |
1916 | 73fc9742 | ths | vs->ds->data = NULL;
|
1917 | 73fc9742 | ths | vs->ds->dpy_update = vnc_dpy_update; |
1918 | 73fc9742 | ths | vs->ds->dpy_resize = vnc_dpy_resize; |
1919 | 73fc9742 | ths | vs->ds->dpy_refresh = vnc_dpy_refresh; |
1920 | 73fc9742 | ths | |
1921 | 73fc9742 | ths | memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row)); |
1922 | 24236869 | bellard | |
1923 | 73fc9742 | ths | vnc_dpy_resize(vs->ds, 640, 400); |
1924 | 71cab5ca | ths | } |
1925 | 71cab5ca | ths | |
1926 | 6f43024c | ths | #if CONFIG_VNC_TLS
|
1927 | 6f43024c | ths | static int vnc_set_x509_credential(VncState *vs, |
1928 | 6f43024c | ths | const char *certdir, |
1929 | 6f43024c | ths | const char *filename, |
1930 | 6f43024c | ths | char **cred,
|
1931 | 6f43024c | ths | int ignoreMissing)
|
1932 | 6f43024c | ths | { |
1933 | 6f43024c | ths | struct stat sb;
|
1934 | 6f43024c | ths | |
1935 | 6f43024c | ths | if (*cred) {
|
1936 | 6f43024c | ths | qemu_free(*cred); |
1937 | 6f43024c | ths | *cred = NULL;
|
1938 | 6f43024c | ths | } |
1939 | 6f43024c | ths | |
1940 | 6f43024c | ths | if (!(*cred = qemu_malloc(strlen(certdir) + strlen(filename) + 2))) |
1941 | 6f43024c | ths | return -1; |
1942 | 6f43024c | ths | |
1943 | 6f43024c | ths | strcpy(*cred, certdir); |
1944 | 6f43024c | ths | strcat(*cred, "/");
|
1945 | 6f43024c | ths | strcat(*cred, filename); |
1946 | 6f43024c | ths | |
1947 | 6f43024c | ths | VNC_DEBUG("Check %s\n", *cred);
|
1948 | 6f43024c | ths | if (stat(*cred, &sb) < 0) { |
1949 | 6f43024c | ths | qemu_free(*cred); |
1950 | 6f43024c | ths | *cred = NULL;
|
1951 | 6f43024c | ths | if (ignoreMissing && errno == ENOENT)
|
1952 | 6f43024c | ths | return 0; |
1953 | 6f43024c | ths | return -1; |
1954 | 6f43024c | ths | } |
1955 | 6f43024c | ths | |
1956 | 6f43024c | ths | return 0; |
1957 | 6f43024c | ths | } |
1958 | 6f43024c | ths | |
1959 | 6f43024c | ths | static int vnc_set_x509_credential_dir(VncState *vs, |
1960 | 6f43024c | ths | const char *certdir) |
1961 | 6f43024c | ths | { |
1962 | 6f43024c | ths | if (vnc_set_x509_credential(vs, certdir, X509_CA_CERT_FILE, &vs->x509cacert, 0) < 0) |
1963 | 6f43024c | ths | goto cleanup;
|
1964 | 6f43024c | ths | if (vnc_set_x509_credential(vs, certdir, X509_CA_CRL_FILE, &vs->x509cacrl, 1) < 0) |
1965 | 6f43024c | ths | goto cleanup;
|
1966 | 6f43024c | ths | if (vnc_set_x509_credential(vs, certdir, X509_SERVER_CERT_FILE, &vs->x509cert, 0) < 0) |
1967 | 6f43024c | ths | goto cleanup;
|
1968 | 6f43024c | ths | if (vnc_set_x509_credential(vs, certdir, X509_SERVER_KEY_FILE, &vs->x509key, 0) < 0) |
1969 | 6f43024c | ths | goto cleanup;
|
1970 | 6f43024c | ths | |
1971 | 6f43024c | ths | return 0; |
1972 | 6f43024c | ths | |
1973 | 6f43024c | ths | cleanup:
|
1974 | 6f43024c | ths | qemu_free(vs->x509cacert); |
1975 | 6f43024c | ths | qemu_free(vs->x509cacrl); |
1976 | 6f43024c | ths | qemu_free(vs->x509cert); |
1977 | 6f43024c | ths | qemu_free(vs->x509key); |
1978 | 6f43024c | ths | vs->x509cacert = vs->x509cacrl = vs->x509cert = vs->x509key = NULL;
|
1979 | 6f43024c | ths | return -1; |
1980 | 6f43024c | ths | } |
1981 | 6f43024c | ths | #endif /* CONFIG_VNC_TLS */ |
1982 | 6f43024c | ths | |
1983 | 71cab5ca | ths | void vnc_display_close(DisplayState *ds)
|
1984 | 71cab5ca | ths | { |
1985 | e25a5822 | ths | VncState *vs = ds ? (VncState *)ds->opaque : vnc_state; |
1986 | 71cab5ca | ths | |
1987 | 71cab5ca | ths | if (vs->display) {
|
1988 | 71cab5ca | ths | qemu_free(vs->display); |
1989 | 71cab5ca | ths | vs->display = NULL;
|
1990 | 71cab5ca | ths | } |
1991 | 71cab5ca | ths | if (vs->lsock != -1) { |
1992 | 71cab5ca | ths | qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL); |
1993 | 71cab5ca | ths | close(vs->lsock); |
1994 | 71cab5ca | ths | vs->lsock = -1;
|
1995 | 71cab5ca | ths | } |
1996 | 71cab5ca | ths | if (vs->csock != -1) { |
1997 | 71cab5ca | ths | qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); |
1998 | 71cab5ca | ths | closesocket(vs->csock); |
1999 | 71cab5ca | ths | vs->csock = -1;
|
2000 | 71cab5ca | ths | buffer_reset(&vs->input); |
2001 | 71cab5ca | ths | buffer_reset(&vs->output); |
2002 | 71cab5ca | ths | vs->need_update = 0;
|
2003 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2004 | 8d5d2d4c | ths | if (vs->tls_session) {
|
2005 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
2006 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
2007 | 8d5d2d4c | ths | } |
2008 | 8d5d2d4c | ths | vs->wiremode = VNC_WIREMODE_CLEAR; |
2009 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
2010 | 71cab5ca | ths | } |
2011 | 70848515 | ths | vs->auth = VNC_AUTH_INVALID; |
2012 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2013 | 8d5d2d4c | ths | vs->subauth = VNC_AUTH_INVALID; |
2014 | 469b15c6 | ths | vs->x509verify = 0;
|
2015 | 8d5d2d4c | ths | #endif
|
2016 | 70848515 | ths | } |
2017 | 70848515 | ths | |
2018 | 70848515 | ths | int vnc_display_password(DisplayState *ds, const char *password) |
2019 | 70848515 | ths | { |
2020 | 70848515 | ths | VncState *vs = ds ? (VncState *)ds->opaque : vnc_state; |
2021 | 70848515 | ths | |
2022 | 70848515 | ths | if (vs->password) {
|
2023 | 70848515 | ths | qemu_free(vs->password); |
2024 | 70848515 | ths | vs->password = NULL;
|
2025 | 70848515 | ths | } |
2026 | 70848515 | ths | if (password && password[0]) { |
2027 | 70848515 | ths | if (!(vs->password = qemu_strdup(password)))
|
2028 | 70848515 | ths | return -1; |
2029 | 70848515 | ths | } |
2030 | 70848515 | ths | |
2031 | 70848515 | ths | return 0; |
2032 | 71cab5ca | ths | } |
2033 | 71cab5ca | ths | |
2034 | 70848515 | ths | int vnc_display_open(DisplayState *ds, const char *display) |
2035 | 71cab5ca | ths | { |
2036 | 71cab5ca | ths | struct sockaddr *addr;
|
2037 | 71cab5ca | ths | struct sockaddr_in iaddr;
|
2038 | 71cab5ca | ths | #ifndef _WIN32
|
2039 | 71cab5ca | ths | struct sockaddr_un uaddr;
|
2040 | 71cab5ca | ths | #endif
|
2041 | 71cab5ca | ths | int reuse_addr, ret;
|
2042 | 71cab5ca | ths | socklen_t addrlen; |
2043 | 71cab5ca | ths | const char *p; |
2044 | e25a5822 | ths | VncState *vs = ds ? (VncState *)ds->opaque : vnc_state; |
2045 | 70848515 | ths | const char *options; |
2046 | 70848515 | ths | int password = 0; |
2047 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2048 | 3a702699 | ths | int tls = 0, x509 = 0; |
2049 | 8d5d2d4c | ths | #endif
|
2050 | 71cab5ca | ths | |
2051 | 71cab5ca | ths | vnc_display_close(ds); |
2052 | 70848515 | ths | if (strcmp(display, "none") == 0) |
2053 | 71cab5ca | ths | return 0; |
2054 | 24236869 | bellard | |
2055 | 70848515 | ths | if (!(vs->display = strdup(display)))
|
2056 | 71cab5ca | ths | return -1; |
2057 | 70848515 | ths | |
2058 | 70848515 | ths | options = display; |
2059 | 70848515 | ths | while ((options = strchr(options, ','))) { |
2060 | 70848515 | ths | options++; |
2061 | 469b15c6 | ths | if (strncmp(options, "password", 8) == 0) { |
2062 | 70848515 | ths | password = 1; /* Require password auth */ |
2063 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2064 | 469b15c6 | ths | } else if (strncmp(options, "tls", 3) == 0) { |
2065 | 8d5d2d4c | ths | tls = 1; /* Require TLS */ |
2066 | 469b15c6 | ths | } else if (strncmp(options, "x509", 4) == 0) { |
2067 | 6f43024c | ths | char *start, *end;
|
2068 | 3a702699 | ths | x509 = 1; /* Require x509 certificates */ |
2069 | 6f43024c | ths | if (strncmp(options, "x509verify", 10) == 0) |
2070 | 6f43024c | ths | vs->x509verify = 1; /* ...and verify client certs */ |
2071 | 6f43024c | ths | |
2072 | 6f43024c | ths | /* Now check for 'x509=/some/path' postfix
|
2073 | 6f43024c | ths | * and use that to setup x509 certificate/key paths */
|
2074 | 6f43024c | ths | start = strchr(options, '=');
|
2075 | 6f43024c | ths | end = strchr(options, ',');
|
2076 | 6f43024c | ths | if (start && (!end || (start < end))) {
|
2077 | 6f43024c | ths | int len = end ? end-(start+1) : strlen(start+1); |
2078 | 6f43024c | ths | char *path = qemu_malloc(len+1); |
2079 | 6f43024c | ths | strncpy(path, start+1, len);
|
2080 | 6f43024c | ths | path[len] = '\0';
|
2081 | 6f43024c | ths | VNC_DEBUG("Trying certificate path '%s'\n", path);
|
2082 | 6f43024c | ths | if (vnc_set_x509_credential_dir(vs, path) < 0) { |
2083 | 6f43024c | ths | fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path);
|
2084 | 6f43024c | ths | qemu_free(path); |
2085 | 6f43024c | ths | qemu_free(vs->display); |
2086 | 6f43024c | ths | vs->display = NULL;
|
2087 | 6f43024c | ths | return -1; |
2088 | 6f43024c | ths | } |
2089 | 6f43024c | ths | qemu_free(path); |
2090 | 6f43024c | ths | } else {
|
2091 | 6f43024c | ths | fprintf(stderr, "No certificate path provided\n");
|
2092 | 6f43024c | ths | qemu_free(vs->display); |
2093 | 6f43024c | ths | vs->display = NULL;
|
2094 | 6f43024c | ths | return -1; |
2095 | 6f43024c | ths | } |
2096 | 8d5d2d4c | ths | #endif
|
2097 | 469b15c6 | ths | } |
2098 | 70848515 | ths | } |
2099 | 70848515 | ths | |
2100 | 70848515 | ths | if (password) {
|
2101 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2102 | 8d5d2d4c | ths | if (tls) {
|
2103 | 8d5d2d4c | ths | vs->auth = VNC_AUTH_VENCRYPT; |
2104 | 3a702699 | ths | if (x509) {
|
2105 | 3a702699 | ths | VNC_DEBUG("Initializing VNC server with x509 password auth\n");
|
2106 | 3a702699 | ths | vs->subauth = VNC_AUTH_VENCRYPT_X509VNC; |
2107 | 3a702699 | ths | } else {
|
2108 | 3a702699 | ths | VNC_DEBUG("Initializing VNC server with TLS password auth\n");
|
2109 | 3a702699 | ths | vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC; |
2110 | 3a702699 | ths | } |
2111 | 8d5d2d4c | ths | } else {
|
2112 | 8d5d2d4c | ths | #endif
|
2113 | 8d5d2d4c | ths | VNC_DEBUG("Initializing VNC server with password auth\n");
|
2114 | 8d5d2d4c | ths | vs->auth = VNC_AUTH_VNC; |
2115 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2116 | 8d5d2d4c | ths | vs->subauth = VNC_AUTH_INVALID; |
2117 | 8d5d2d4c | ths | } |
2118 | 8d5d2d4c | ths | #endif
|
2119 | 70848515 | ths | } else {
|
2120 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2121 | 8d5d2d4c | ths | if (tls) {
|
2122 | 8d5d2d4c | ths | vs->auth = VNC_AUTH_VENCRYPT; |
2123 | 3a702699 | ths | if (x509) {
|
2124 | 3a702699 | ths | VNC_DEBUG("Initializing VNC server with x509 no auth\n");
|
2125 | 3a702699 | ths | vs->subauth = VNC_AUTH_VENCRYPT_X509NONE; |
2126 | 3a702699 | ths | } else {
|
2127 | 3a702699 | ths | VNC_DEBUG("Initializing VNC server with TLS no auth\n");
|
2128 | 3a702699 | ths | vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE; |
2129 | 3a702699 | ths | } |
2130 | 8d5d2d4c | ths | } else {
|
2131 | 8d5d2d4c | ths | #endif
|
2132 | 8d5d2d4c | ths | VNC_DEBUG("Initializing VNC server with no auth\n");
|
2133 | 8d5d2d4c | ths | vs->auth = VNC_AUTH_NONE; |
2134 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2135 | 8d5d2d4c | ths | vs->subauth = VNC_AUTH_INVALID; |
2136 | 8d5d2d4c | ths | } |
2137 | 8d5d2d4c | ths | #endif
|
2138 | 70848515 | ths | } |
2139 | 73fc9742 | ths | #ifndef _WIN32
|
2140 | 70848515 | ths | if (strstart(display, "unix:", &p)) { |
2141 | 73fc9742 | ths | addr = (struct sockaddr *)&uaddr;
|
2142 | 73fc9742 | ths | addrlen = sizeof(uaddr);
|
2143 | 73fc9742 | ths | |
2144 | 73fc9742 | ths | vs->lsock = socket(PF_UNIX, SOCK_STREAM, 0);
|
2145 | 73fc9742 | ths | if (vs->lsock == -1) { |
2146 | 73fc9742 | ths | fprintf(stderr, "Could not create socket\n");
|
2147 | 71cab5ca | ths | free(vs->display); |
2148 | 71cab5ca | ths | vs->display = NULL;
|
2149 | 71cab5ca | ths | return -1; |
2150 | 73fc9742 | ths | } |
2151 | 73fc9742 | ths | |
2152 | 73fc9742 | ths | uaddr.sun_family = AF_UNIX; |
2153 | 73fc9742 | ths | memset(uaddr.sun_path, 0, 108); |
2154 | 73fc9742 | ths | snprintf(uaddr.sun_path, 108, "%s", p); |
2155 | 73fc9742 | ths | |
2156 | 73fc9742 | ths | unlink(uaddr.sun_path); |
2157 | 73fc9742 | ths | } else
|
2158 | 73fc9742 | ths | #endif
|
2159 | 73fc9742 | ths | { |
2160 | 73fc9742 | ths | addr = (struct sockaddr *)&iaddr;
|
2161 | 73fc9742 | ths | addrlen = sizeof(iaddr);
|
2162 | 73fc9742 | ths | |
2163 | 70848515 | ths | if (parse_host_port(&iaddr, display) < 0) { |
2164 | 73fc9742 | ths | fprintf(stderr, "Could not parse VNC address\n");
|
2165 | 71cab5ca | ths | free(vs->display); |
2166 | 71cab5ca | ths | vs->display = NULL;
|
2167 | 71cab5ca | ths | return -1; |
2168 | 73fc9742 | ths | } |
2169 | 71cab5ca | ths | |
2170 | 73fc9742 | ths | iaddr.sin_port = htons(ntohs(iaddr.sin_port) + 5900);
|
2171 | 73fc9742 | ths | |
2172 | 71cab5ca | ths | vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
|
2173 | 71cab5ca | ths | if (vs->lsock == -1) { |
2174 | 71cab5ca | ths | fprintf(stderr, "Could not create socket\n");
|
2175 | 71cab5ca | ths | free(vs->display); |
2176 | 71cab5ca | ths | vs->display = NULL;
|
2177 | 71cab5ca | ths | return -1; |
2178 | 71cab5ca | ths | } |
2179 | 71cab5ca | ths | |
2180 | 73fc9742 | ths | reuse_addr = 1;
|
2181 | 73fc9742 | ths | ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR, |
2182 | 73fc9742 | ths | (const char *)&reuse_addr, sizeof(reuse_addr)); |
2183 | 73fc9742 | ths | if (ret == -1) { |
2184 | 73fc9742 | ths | fprintf(stderr, "setsockopt() failed\n");
|
2185 | 71cab5ca | ths | close(vs->lsock); |
2186 | 71cab5ca | ths | vs->lsock = -1;
|
2187 | 71cab5ca | ths | free(vs->display); |
2188 | 71cab5ca | ths | vs->display = NULL;
|
2189 | 71cab5ca | ths | return -1; |
2190 | 73fc9742 | ths | } |
2191 | 24236869 | bellard | } |
2192 | 24236869 | bellard | |
2193 | 73fc9742 | ths | if (bind(vs->lsock, addr, addrlen) == -1) { |
2194 | 24236869 | bellard | fprintf(stderr, "bind() failed\n");
|
2195 | 71cab5ca | ths | close(vs->lsock); |
2196 | 71cab5ca | ths | vs->lsock = -1;
|
2197 | 71cab5ca | ths | free(vs->display); |
2198 | 71cab5ca | ths | vs->display = NULL;
|
2199 | 71cab5ca | ths | return -1; |
2200 | 24236869 | bellard | } |
2201 | 24236869 | bellard | |
2202 | 24236869 | bellard | if (listen(vs->lsock, 1) == -1) { |
2203 | 24236869 | bellard | fprintf(stderr, "listen() failed\n");
|
2204 | 71cab5ca | ths | close(vs->lsock); |
2205 | 71cab5ca | ths | vs->lsock = -1;
|
2206 | 71cab5ca | ths | free(vs->display); |
2207 | 71cab5ca | ths | vs->display = NULL;
|
2208 | 71cab5ca | ths | return -1; |
2209 | 24236869 | bellard | } |
2210 | 24236869 | bellard | |
2211 | 71cab5ca | ths | return qemu_set_fd_handler2(vs->lsock, vnc_listen_poll, vnc_listen_read, NULL, vs); |
2212 | 24236869 | bellard | } |