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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 | 87ecb68b | pbrook | #include "qemu-common.h" |
27 | 87ecb68b | pbrook | #include "console.h" |
28 | 87ecb68b | pbrook | #include "sysemu.h" |
29 | 6ca957f0 | bellard | #include "qemu_socket.h" |
30 | 87ecb68b | pbrook | #include "qemu-timer.h" |
31 | 24236869 | bellard | |
32 | 24236869 | bellard | #define VNC_REFRESH_INTERVAL (1000 / 30) |
33 | 24236869 | bellard | |
34 | 24236869 | bellard | #include "vnc_keysym.h" |
35 | 24236869 | bellard | #include "keymaps.c" |
36 | 70848515 | ths | #include "d3des.h" |
37 | 70848515 | ths | |
38 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
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39 | 8d5d2d4c | ths | #include <gnutls/gnutls.h> |
40 | 8d5d2d4c | ths | #include <gnutls/x509.h> |
41 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
42 | 70848515 | ths | |
43 | 8d5d2d4c | ths | // #define _VNC_DEBUG 1
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44 | 8d5d2d4c | ths | |
45 | 8d5d2d4c | ths | #if _VNC_DEBUG
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46 | 70848515 | ths | #define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) |
47 | 8d5d2d4c | ths | |
48 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS && _VNC_DEBUG >= 2 |
49 | 8d5d2d4c | ths | /* Very verbose, so only enabled for _VNC_DEBUG >= 2 */
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50 | 8d5d2d4c | ths | static void vnc_debug_gnutls_log(int level, const char* str) { |
51 | 8d5d2d4c | ths | VNC_DEBUG("%d %s", level, str);
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52 | 8d5d2d4c | ths | } |
53 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS && _VNC_DEBUG */ |
54 | 70848515 | ths | #else
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55 | 70848515 | ths | #define VNC_DEBUG(fmt, ...) do { } while (0) |
56 | 70848515 | ths | #endif
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57 | 24236869 | bellard | |
58 | 8d5d2d4c | ths | |
59 | 24236869 | bellard | typedef struct Buffer |
60 | 24236869 | bellard | { |
61 | 24236869 | bellard | size_t capacity; |
62 | 24236869 | bellard | size_t offset; |
63 | 60fe76f3 | ths | uint8_t *buffer; |
64 | 24236869 | bellard | } Buffer; |
65 | 24236869 | bellard | |
66 | 24236869 | bellard | typedef struct VncState VncState; |
67 | 24236869 | bellard | |
68 | 60fe76f3 | ths | typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len); |
69 | 24236869 | bellard | |
70 | 3512779a | bellard | typedef void VncWritePixels(VncState *vs, void *data, int size); |
71 | 3512779a | bellard | |
72 | 3512779a | bellard | typedef void VncSendHextileTile(VncState *vs, |
73 | 3512779a | bellard | int x, int y, int w, int h, |
74 | 5fafdf24 | ths | uint32_t *last_bg, |
75 | 3512779a | bellard | uint32_t *last_fg, |
76 | 3512779a | bellard | int *has_bg, int *has_fg); |
77 | 3512779a | bellard | |
78 | 99589bdc | bellard | #define VNC_MAX_WIDTH 2048 |
79 | 99589bdc | bellard | #define VNC_MAX_HEIGHT 2048 |
80 | 99589bdc | bellard | #define VNC_DIRTY_WORDS (VNC_MAX_WIDTH / (16 * 32)) |
81 | 99589bdc | bellard | |
82 | 70848515 | ths | #define VNC_AUTH_CHALLENGE_SIZE 16 |
83 | 70848515 | ths | |
84 | 70848515 | ths | enum {
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85 | 70848515 | ths | VNC_AUTH_INVALID = 0,
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86 | 70848515 | ths | VNC_AUTH_NONE = 1,
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87 | 70848515 | ths | VNC_AUTH_VNC = 2,
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88 | 70848515 | ths | VNC_AUTH_RA2 = 5,
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89 | 70848515 | ths | VNC_AUTH_RA2NE = 6,
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90 | 70848515 | ths | VNC_AUTH_TIGHT = 16,
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91 | 70848515 | ths | VNC_AUTH_ULTRA = 17,
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92 | 70848515 | ths | VNC_AUTH_TLS = 18,
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93 | 70848515 | ths | VNC_AUTH_VENCRYPT = 19
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94 | 70848515 | ths | }; |
95 | 70848515 | ths | |
96 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
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97 | 8d5d2d4c | ths | enum {
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98 | 8d5d2d4c | ths | VNC_WIREMODE_CLEAR, |
99 | 8d5d2d4c | ths | VNC_WIREMODE_TLS, |
100 | 8d5d2d4c | ths | }; |
101 | 8d5d2d4c | ths | |
102 | 8d5d2d4c | ths | enum {
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103 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_PLAIN = 256,
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104 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_TLSNONE = 257,
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105 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_TLSVNC = 258,
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106 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_TLSPLAIN = 259,
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107 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_X509NONE = 260,
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108 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_X509VNC = 261,
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109 | 8d5d2d4c | ths | VNC_AUTH_VENCRYPT_X509PLAIN = 262,
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110 | 8d5d2d4c | ths | }; |
111 | 3a702699 | ths | |
112 | 3a702699 | ths | #if CONFIG_VNC_TLS
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113 | 3a702699 | ths | #define X509_CA_CERT_FILE "ca-cert.pem" |
114 | 3a702699 | ths | #define X509_CA_CRL_FILE "ca-crl.pem" |
115 | 3a702699 | ths | #define X509_SERVER_KEY_FILE "server-key.pem" |
116 | 3a702699 | ths | #define X509_SERVER_CERT_FILE "server-cert.pem" |
117 | 3a702699 | ths | #endif
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118 | 3a702699 | ths | |
119 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
120 | 8d5d2d4c | ths | |
121 | 24236869 | bellard | struct VncState
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122 | 24236869 | bellard | { |
123 | 24236869 | bellard | QEMUTimer *timer; |
124 | 24236869 | bellard | int lsock;
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125 | 24236869 | bellard | int csock;
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126 | 24236869 | bellard | DisplayState *ds; |
127 | 24236869 | bellard | int need_update;
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128 | 24236869 | bellard | int width;
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129 | 24236869 | bellard | int height;
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130 | 99589bdc | bellard | uint32_t dirty_row[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS]; |
131 | 24236869 | bellard | char *old_data;
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132 | 3512779a | bellard | int depth; /* internal VNC frame buffer byte per pixel */ |
133 | 24236869 | bellard | int has_resize;
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134 | 24236869 | bellard | int has_hextile;
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135 | 564c337e | bellard | int has_pointer_type_change;
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136 | 564c337e | bellard | int absolute;
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137 | 564c337e | bellard | int last_x;
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138 | 564c337e | bellard | int last_y;
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139 | 564c337e | bellard | |
140 | 70848515 | ths | int major;
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141 | 70848515 | ths | int minor;
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142 | 70848515 | ths | |
143 | 71cab5ca | ths | char *display;
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144 | 70848515 | ths | char *password;
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145 | 70848515 | ths | int auth;
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146 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
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147 | 8d5d2d4c | ths | int subauth;
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148 | 469b15c6 | ths | int x509verify;
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149 | 6f43024c | ths | |
150 | 6f43024c | ths | char *x509cacert;
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151 | 6f43024c | ths | char *x509cacrl;
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152 | 6f43024c | ths | char *x509cert;
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153 | 6f43024c | ths | char *x509key;
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154 | 8d5d2d4c | ths | #endif
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155 | 70848515 | ths | char challenge[VNC_AUTH_CHALLENGE_SIZE];
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156 | a9ce8590 | bellard | |
157 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
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158 | 8d5d2d4c | ths | int wiremode;
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159 | 8d5d2d4c | ths | gnutls_session_t tls_session; |
160 | 8d5d2d4c | ths | #endif
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161 | 8d5d2d4c | ths | |
162 | 24236869 | bellard | Buffer output; |
163 | 24236869 | bellard | Buffer input; |
164 | 24236869 | bellard | kbd_layout_t *kbd_layout; |
165 | 3512779a | bellard | /* current output mode information */
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166 | 3512779a | bellard | VncWritePixels *write_pixels; |
167 | 3512779a | bellard | VncSendHextileTile *send_hextile_tile; |
168 | 3512779a | bellard | int pix_bpp, pix_big_endian;
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169 | 3512779a | bellard | int red_shift, red_max, red_shift1;
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170 | 3512779a | bellard | int green_shift, green_max, green_shift1;
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171 | 3512779a | bellard | int blue_shift, blue_max, blue_shift1;
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172 | 24236869 | bellard | |
173 | 24236869 | bellard | VncReadEvent *read_handler; |
174 | 24236869 | bellard | size_t read_handler_expect; |
175 | 64f5a135 | bellard | /* input */
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176 | 64f5a135 | bellard | uint8_t modifiers_state[256];
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177 | 24236869 | bellard | }; |
178 | 24236869 | bellard | |
179 | a9ce8590 | bellard | static VncState *vnc_state; /* needed for info vnc */ |
180 | a9ce8590 | bellard | |
181 | a9ce8590 | bellard | void do_info_vnc(void) |
182 | a9ce8590 | bellard | { |
183 | a9ce8590 | bellard | if (vnc_state == NULL) |
184 | a9ce8590 | bellard | term_printf("VNC server disabled\n");
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185 | a9ce8590 | bellard | else {
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186 | a9ce8590 | bellard | term_printf("VNC server active on: ");
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187 | a9ce8590 | bellard | term_print_filename(vnc_state->display); |
188 | a9ce8590 | bellard | term_printf("\n");
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189 | a9ce8590 | bellard | |
190 | a9ce8590 | bellard | if (vnc_state->csock == -1) |
191 | a9ce8590 | bellard | term_printf("No client connected\n");
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192 | a9ce8590 | bellard | else
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193 | a9ce8590 | bellard | term_printf("Client connected\n");
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194 | a9ce8590 | bellard | } |
195 | a9ce8590 | bellard | } |
196 | a9ce8590 | bellard | |
197 | 24236869 | bellard | /* TODO
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198 | 24236869 | bellard | 1) Get the queue working for IO.
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199 | 24236869 | bellard | 2) there is some weirdness when using the -S option (the screen is grey
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200 | 24236869 | bellard | and not totally invalidated
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201 | 24236869 | bellard | 3) resolutions > 1024
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202 | 24236869 | bellard | */
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203 | 24236869 | bellard | |
204 | 24236869 | bellard | static void vnc_write(VncState *vs, const void *data, size_t len); |
205 | 24236869 | bellard | static void vnc_write_u32(VncState *vs, uint32_t value); |
206 | 24236869 | bellard | static void vnc_write_s32(VncState *vs, int32_t value); |
207 | 24236869 | bellard | static void vnc_write_u16(VncState *vs, uint16_t value); |
208 | 24236869 | bellard | static void vnc_write_u8(VncState *vs, uint8_t value); |
209 | 24236869 | bellard | static void vnc_flush(VncState *vs); |
210 | 24236869 | bellard | static void vnc_update_client(void *opaque); |
211 | 24236869 | bellard | static void vnc_client_read(void *opaque); |
212 | 24236869 | bellard | |
213 | 99589bdc | bellard | static inline void vnc_set_bit(uint32_t *d, int k) |
214 | 99589bdc | bellard | { |
215 | 99589bdc | bellard | d[k >> 5] |= 1 << (k & 0x1f); |
216 | 99589bdc | bellard | } |
217 | 99589bdc | bellard | |
218 | 99589bdc | bellard | static inline void vnc_clear_bit(uint32_t *d, int k) |
219 | 99589bdc | bellard | { |
220 | 99589bdc | bellard | d[k >> 5] &= ~(1 << (k & 0x1f)); |
221 | 99589bdc | bellard | } |
222 | 99589bdc | bellard | |
223 | 99589bdc | bellard | static inline void vnc_set_bits(uint32_t *d, int n, int nb_words) |
224 | 99589bdc | bellard | { |
225 | 99589bdc | bellard | int j;
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226 | 99589bdc | bellard | |
227 | 99589bdc | bellard | j = 0;
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228 | 99589bdc | bellard | while (n >= 32) { |
229 | 99589bdc | bellard | d[j++] = -1;
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230 | 99589bdc | bellard | n -= 32;
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231 | 99589bdc | bellard | } |
232 | 5fafdf24 | ths | if (n > 0) |
233 | 99589bdc | bellard | d[j++] = (1 << n) - 1; |
234 | 99589bdc | bellard | while (j < nb_words)
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235 | 99589bdc | bellard | d[j++] = 0;
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236 | 99589bdc | bellard | } |
237 | 99589bdc | bellard | |
238 | 99589bdc | bellard | static inline int vnc_get_bit(const uint32_t *d, int k) |
239 | 99589bdc | bellard | { |
240 | 99589bdc | bellard | return (d[k >> 5] >> (k & 0x1f)) & 1; |
241 | 99589bdc | bellard | } |
242 | 99589bdc | bellard | |
243 | 5fafdf24 | ths | static inline int vnc_and_bits(const uint32_t *d1, const uint32_t *d2, |
244 | 99589bdc | bellard | int nb_words)
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245 | 99589bdc | bellard | { |
246 | 99589bdc | bellard | int i;
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247 | 99589bdc | bellard | for(i = 0; i < nb_words; i++) { |
248 | 99589bdc | bellard | if ((d1[i] & d2[i]) != 0) |
249 | 99589bdc | bellard | return 1; |
250 | 99589bdc | bellard | } |
251 | 99589bdc | bellard | return 0; |
252 | 99589bdc | bellard | } |
253 | 99589bdc | bellard | |
254 | 24236869 | bellard | static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h) |
255 | 24236869 | bellard | { |
256 | 24236869 | bellard | VncState *vs = ds->opaque; |
257 | 24236869 | bellard | int i;
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258 | 24236869 | bellard | |
259 | 24236869 | bellard | h += y; |
260 | 24236869 | bellard | |
261 | 0486e8a7 | balrog | /* round x down to ensure the loop only spans one 16-pixel block per,
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262 | 0486e8a7 | balrog | iteration. otherwise, if (x % 16) != 0, the last iteration may span
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263 | 0486e8a7 | balrog | two 16-pixel blocks but we only mark the first as dirty
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264 | 0486e8a7 | balrog | */
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265 | 0486e8a7 | balrog | w += (x % 16);
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266 | 0486e8a7 | balrog | x -= (x % 16);
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267 | 0486e8a7 | balrog | |
268 | 788abf8e | balrog | x = MIN(x, vs->width); |
269 | 788abf8e | balrog | y = MIN(y, vs->height); |
270 | 788abf8e | balrog | w = MIN(x + w, vs->width) - x; |
271 | 731dd637 | balrog | h = MIN(h, vs->height); |
272 | 788abf8e | balrog | |
273 | 24236869 | bellard | for (; y < h; y++)
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274 | 24236869 | bellard | for (i = 0; i < w; i += 16) |
275 | 99589bdc | bellard | vnc_set_bit(vs->dirty_row[y], (x + i) / 16);
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276 | 24236869 | bellard | } |
277 | 24236869 | bellard | |
278 | 24236869 | bellard | static void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
279 | 24236869 | bellard | int32_t encoding) |
280 | 24236869 | bellard | { |
281 | 24236869 | bellard | vnc_write_u16(vs, x); |
282 | 24236869 | bellard | vnc_write_u16(vs, y); |
283 | 24236869 | bellard | vnc_write_u16(vs, w); |
284 | 24236869 | bellard | vnc_write_u16(vs, h); |
285 | 24236869 | bellard | |
286 | 24236869 | bellard | vnc_write_s32(vs, encoding); |
287 | 24236869 | bellard | } |
288 | 24236869 | bellard | |
289 | 24236869 | bellard | static void vnc_dpy_resize(DisplayState *ds, int w, int h) |
290 | 24236869 | bellard | { |
291 | 73e14b62 | ths | int size_changed;
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292 | 24236869 | bellard | VncState *vs = ds->opaque; |
293 | 24236869 | bellard | |
294 | 2137b4cc | ths | ds->data = qemu_realloc(ds->data, w * h * vs->depth); |
295 | 2137b4cc | ths | vs->old_data = qemu_realloc(vs->old_data, w * h * vs->depth); |
296 | 24236869 | bellard | |
297 | 24236869 | bellard | if (ds->data == NULL || vs->old_data == NULL) { |
298 | 24236869 | bellard | fprintf(stderr, "vnc: memory allocation failed\n");
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299 | 24236869 | bellard | exit(1);
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300 | 24236869 | bellard | } |
301 | 24236869 | bellard | |
302 | a528b80c | balrog | if (ds->depth != vs->depth * 8) { |
303 | a528b80c | balrog | ds->depth = vs->depth * 8;
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304 | a528b80c | balrog | console_color_init(ds); |
305 | a528b80c | balrog | } |
306 | 73e14b62 | ths | size_changed = ds->width != w || ds->height != h; |
307 | 24236869 | bellard | ds->width = w; |
308 | 24236869 | bellard | ds->height = h; |
309 | 24236869 | bellard | ds->linesize = w * vs->depth; |
310 | b94eb43f | balrog | if (size_changed) {
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311 | b94eb43f | balrog | vs->width = ds->width; |
312 | b94eb43f | balrog | vs->height = ds->height; |
313 | b94eb43f | balrog | if (vs->csock != -1 && vs->has_resize) { |
314 | b94eb43f | balrog | vnc_write_u8(vs, 0); /* msg id */ |
315 | b94eb43f | balrog | vnc_write_u8(vs, 0);
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316 | b94eb43f | balrog | vnc_write_u16(vs, 1); /* number of rects */ |
317 | b94eb43f | balrog | vnc_framebuffer_update(vs, 0, 0, ds->width, ds->height, -223); |
318 | b94eb43f | balrog | vnc_flush(vs); |
319 | b94eb43f | balrog | } |
320 | 24236869 | bellard | } |
321 | 8bba5c81 | balrog | |
322 | 8bba5c81 | balrog | memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row)); |
323 | 8bba5c81 | balrog | memset(vs->old_data, 42, vs->ds->linesize * vs->ds->height);
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324 | 24236869 | bellard | } |
325 | 24236869 | bellard | |
326 | 3512779a | bellard | /* fastest code */
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327 | 3512779a | bellard | static void vnc_write_pixels_copy(VncState *vs, void *pixels, int size) |
328 | 3512779a | bellard | { |
329 | 3512779a | bellard | vnc_write(vs, pixels, size); |
330 | 3512779a | bellard | } |
331 | 3512779a | bellard | |
332 | 3512779a | bellard | /* slowest but generic code. */
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333 | 3512779a | bellard | static void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) |
334 | 3512779a | bellard | { |
335 | 3512779a | bellard | unsigned int r, g, b; |
336 | 3512779a | bellard | |
337 | 3512779a | bellard | r = (v >> vs->red_shift1) & vs->red_max; |
338 | 3512779a | bellard | g = (v >> vs->green_shift1) & vs->green_max; |
339 | 3512779a | bellard | b = (v >> vs->blue_shift1) & vs->blue_max; |
340 | 5fafdf24 | ths | v = (r << vs->red_shift) | |
341 | 5fafdf24 | ths | (g << vs->green_shift) | |
342 | 3512779a | bellard | (b << vs->blue_shift); |
343 | 3512779a | bellard | switch(vs->pix_bpp) {
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344 | 3512779a | bellard | case 1: |
345 | 3512779a | bellard | buf[0] = v;
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346 | 3512779a | bellard | break;
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347 | 3512779a | bellard | case 2: |
348 | 3512779a | bellard | if (vs->pix_big_endian) {
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349 | 3512779a | bellard | buf[0] = v >> 8; |
350 | 3512779a | bellard | buf[1] = v;
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351 | 3512779a | bellard | } else {
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352 | 3512779a | bellard | buf[1] = v >> 8; |
353 | 3512779a | bellard | buf[0] = v;
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354 | 3512779a | bellard | } |
355 | 3512779a | bellard | break;
|
356 | 3512779a | bellard | default:
|
357 | 3512779a | bellard | case 4: |
358 | 3512779a | bellard | if (vs->pix_big_endian) {
|
359 | 3512779a | bellard | buf[0] = v >> 24; |
360 | 3512779a | bellard | buf[1] = v >> 16; |
361 | 3512779a | bellard | buf[2] = v >> 8; |
362 | 3512779a | bellard | buf[3] = v;
|
363 | 3512779a | bellard | } else {
|
364 | 3512779a | bellard | buf[3] = v >> 24; |
365 | 3512779a | bellard | buf[2] = v >> 16; |
366 | 3512779a | bellard | buf[1] = v >> 8; |
367 | 3512779a | bellard | buf[0] = v;
|
368 | 3512779a | bellard | } |
369 | 3512779a | bellard | break;
|
370 | 3512779a | bellard | } |
371 | 3512779a | bellard | } |
372 | 3512779a | bellard | |
373 | 3512779a | bellard | static void vnc_write_pixels_generic(VncState *vs, void *pixels1, int size) |
374 | 3512779a | bellard | { |
375 | 3512779a | bellard | uint32_t *pixels = pixels1; |
376 | 3512779a | bellard | uint8_t buf[4];
|
377 | 3512779a | bellard | int n, i;
|
378 | 3512779a | bellard | |
379 | 3512779a | bellard | n = size >> 2;
|
380 | 3512779a | bellard | for(i = 0; i < n; i++) { |
381 | 3512779a | bellard | vnc_convert_pixel(vs, buf, pixels[i]); |
382 | 3512779a | bellard | vnc_write(vs, buf, vs->pix_bpp); |
383 | 3512779a | bellard | } |
384 | 3512779a | bellard | } |
385 | 3512779a | bellard | |
386 | 24236869 | bellard | static void send_framebuffer_update_raw(VncState *vs, int x, int y, int w, int h) |
387 | 24236869 | bellard | { |
388 | 24236869 | bellard | int i;
|
389 | 60fe76f3 | ths | uint8_t *row; |
390 | 24236869 | bellard | |
391 | 24236869 | bellard | vnc_framebuffer_update(vs, x, y, w, h, 0);
|
392 | 24236869 | bellard | |
393 | 24236869 | bellard | row = vs->ds->data + y * vs->ds->linesize + x * vs->depth; |
394 | 24236869 | bellard | for (i = 0; i < h; i++) { |
395 | 3512779a | bellard | vs->write_pixels(vs, row, w * vs->depth); |
396 | 24236869 | bellard | row += vs->ds->linesize; |
397 | 24236869 | bellard | } |
398 | 24236869 | bellard | } |
399 | 24236869 | bellard | |
400 | 24236869 | bellard | static void hextile_enc_cord(uint8_t *ptr, int x, int y, int w, int h) |
401 | 24236869 | bellard | { |
402 | 24236869 | bellard | ptr[0] = ((x & 0x0F) << 4) | (y & 0x0F); |
403 | 24236869 | bellard | ptr[1] = (((w - 1) & 0x0F) << 4) | ((h - 1) & 0x0F); |
404 | 24236869 | bellard | } |
405 | 24236869 | bellard | |
406 | 24236869 | bellard | #define BPP 8 |
407 | 24236869 | bellard | #include "vnchextile.h" |
408 | 24236869 | bellard | #undef BPP
|
409 | 24236869 | bellard | |
410 | 24236869 | bellard | #define BPP 16 |
411 | 24236869 | bellard | #include "vnchextile.h" |
412 | 24236869 | bellard | #undef BPP
|
413 | 24236869 | bellard | |
414 | 24236869 | bellard | #define BPP 32 |
415 | 24236869 | bellard | #include "vnchextile.h" |
416 | 24236869 | bellard | #undef BPP
|
417 | 24236869 | bellard | |
418 | 3512779a | bellard | #define GENERIC
|
419 | 3512779a | bellard | #define BPP 32 |
420 | 3512779a | bellard | #include "vnchextile.h" |
421 | 3512779a | bellard | #undef BPP
|
422 | 3512779a | bellard | #undef GENERIC
|
423 | 3512779a | bellard | |
424 | 24236869 | bellard | static void send_framebuffer_update_hextile(VncState *vs, int x, int y, int w, int h) |
425 | 24236869 | bellard | { |
426 | 24236869 | bellard | int i, j;
|
427 | 24236869 | bellard | int has_fg, has_bg;
|
428 | 24236869 | bellard | uint32_t last_fg32, last_bg32; |
429 | 24236869 | bellard | |
430 | 24236869 | bellard | vnc_framebuffer_update(vs, x, y, w, h, 5);
|
431 | 24236869 | bellard | |
432 | 24236869 | bellard | has_fg = has_bg = 0;
|
433 | 24236869 | bellard | for (j = y; j < (y + h); j += 16) { |
434 | 24236869 | bellard | for (i = x; i < (x + w); i += 16) { |
435 | 5fafdf24 | ths | vs->send_hextile_tile(vs, i, j, |
436 | 3512779a | bellard | MIN(16, x + w - i), MIN(16, y + h - j), |
437 | 3512779a | bellard | &last_bg32, &last_fg32, &has_bg, &has_fg); |
438 | 24236869 | bellard | } |
439 | 24236869 | bellard | } |
440 | 24236869 | bellard | } |
441 | 24236869 | bellard | |
442 | 24236869 | bellard | static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
443 | 24236869 | bellard | { |
444 | 24236869 | bellard | if (vs->has_hextile)
|
445 | 24236869 | bellard | send_framebuffer_update_hextile(vs, x, y, w, h); |
446 | 24236869 | bellard | else
|
447 | 24236869 | bellard | send_framebuffer_update_raw(vs, x, y, w, h); |
448 | 24236869 | bellard | } |
449 | 24236869 | bellard | |
450 | 24236869 | bellard | static void vnc_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
451 | 24236869 | bellard | { |
452 | 24236869 | bellard | int src, dst;
|
453 | 60fe76f3 | ths | uint8_t *src_row; |
454 | 60fe76f3 | ths | uint8_t *dst_row; |
455 | 24236869 | bellard | char *old_row;
|
456 | 24236869 | bellard | int y = 0; |
457 | 24236869 | bellard | int pitch = ds->linesize;
|
458 | 24236869 | bellard | VncState *vs = ds->opaque; |
459 | 24236869 | bellard | |
460 | 24236869 | bellard | vnc_update_client(vs); |
461 | 24236869 | bellard | |
462 | 24236869 | bellard | if (dst_y > src_y) {
|
463 | 24236869 | bellard | y = h - 1;
|
464 | 24236869 | bellard | pitch = -pitch; |
465 | 24236869 | bellard | } |
466 | 24236869 | bellard | |
467 | 24236869 | bellard | src = (ds->linesize * (src_y + y) + vs->depth * src_x); |
468 | 24236869 | bellard | dst = (ds->linesize * (dst_y + y) + vs->depth * dst_x); |
469 | 24236869 | bellard | |
470 | 24236869 | bellard | src_row = ds->data + src; |
471 | 24236869 | bellard | dst_row = ds->data + dst; |
472 | 24236869 | bellard | old_row = vs->old_data + dst; |
473 | 24236869 | bellard | |
474 | 24236869 | bellard | for (y = 0; y < h; y++) { |
475 | 24236869 | bellard | memmove(old_row, src_row, w * vs->depth); |
476 | 24236869 | bellard | memmove(dst_row, src_row, w * vs->depth); |
477 | 24236869 | bellard | src_row += pitch; |
478 | 24236869 | bellard | dst_row += pitch; |
479 | 24236869 | bellard | old_row += pitch; |
480 | 24236869 | bellard | } |
481 | 24236869 | bellard | |
482 | 24236869 | bellard | vnc_write_u8(vs, 0); /* msg id */ |
483 | 24236869 | bellard | vnc_write_u8(vs, 0);
|
484 | 24236869 | bellard | vnc_write_u16(vs, 1); /* number of rects */ |
485 | 24236869 | bellard | vnc_framebuffer_update(vs, dst_x, dst_y, w, h, 1);
|
486 | 24236869 | bellard | vnc_write_u16(vs, src_x); |
487 | 24236869 | bellard | vnc_write_u16(vs, src_y); |
488 | 24236869 | bellard | vnc_flush(vs); |
489 | 24236869 | bellard | } |
490 | 24236869 | bellard | |
491 | 24236869 | bellard | static int find_dirty_height(VncState *vs, int y, int last_x, int x) |
492 | 24236869 | bellard | { |
493 | 24236869 | bellard | int h;
|
494 | 24236869 | bellard | |
495 | 24236869 | bellard | for (h = 1; h < (vs->height - y); h++) { |
496 | 24236869 | bellard | int tmp_x;
|
497 | 99589bdc | bellard | if (!vnc_get_bit(vs->dirty_row[y + h], last_x))
|
498 | 24236869 | bellard | break;
|
499 | 24236869 | bellard | for (tmp_x = last_x; tmp_x < x; tmp_x++)
|
500 | 99589bdc | bellard | vnc_clear_bit(vs->dirty_row[y + h], tmp_x); |
501 | 24236869 | bellard | } |
502 | 24236869 | bellard | |
503 | 24236869 | bellard | return h;
|
504 | 24236869 | bellard | } |
505 | 24236869 | bellard | |
506 | 24236869 | bellard | static void vnc_update_client(void *opaque) |
507 | 24236869 | bellard | { |
508 | 24236869 | bellard | VncState *vs = opaque; |
509 | 24236869 | bellard | |
510 | 24236869 | bellard | if (vs->need_update && vs->csock != -1) { |
511 | 24236869 | bellard | int y;
|
512 | 60fe76f3 | ths | uint8_t *row; |
513 | 24236869 | bellard | char *old_row;
|
514 | 99589bdc | bellard | uint32_t width_mask[VNC_DIRTY_WORDS]; |
515 | 24236869 | bellard | int n_rectangles;
|
516 | 24236869 | bellard | int saved_offset;
|
517 | 24236869 | bellard | int has_dirty = 0; |
518 | 24236869 | bellard | |
519 | a0ecfb73 | balrog | vga_hw_update(); |
520 | a0ecfb73 | balrog | |
521 | 99589bdc | bellard | vnc_set_bits(width_mask, (vs->width / 16), VNC_DIRTY_WORDS);
|
522 | 24236869 | bellard | |
523 | 24236869 | bellard | /* Walk through the dirty map and eliminate tiles that
|
524 | 24236869 | bellard | really aren't dirty */
|
525 | 24236869 | bellard | row = vs->ds->data; |
526 | 24236869 | bellard | old_row = vs->old_data; |
527 | 24236869 | bellard | |
528 | 24236869 | bellard | for (y = 0; y < vs->height; y++) { |
529 | 99589bdc | bellard | if (vnc_and_bits(vs->dirty_row[y], width_mask, VNC_DIRTY_WORDS)) {
|
530 | 24236869 | bellard | int x;
|
531 | 60fe76f3 | ths | uint8_t *ptr; |
532 | 60fe76f3 | ths | char *old_ptr;
|
533 | 24236869 | bellard | |
534 | 24236869 | bellard | ptr = row; |
535 | 60fe76f3 | ths | old_ptr = (char*)old_row;
|
536 | 24236869 | bellard | |
537 | 24236869 | bellard | for (x = 0; x < vs->ds->width; x += 16) { |
538 | 24236869 | bellard | if (memcmp(old_ptr, ptr, 16 * vs->depth) == 0) { |
539 | 99589bdc | bellard | vnc_clear_bit(vs->dirty_row[y], (x / 16));
|
540 | 24236869 | bellard | } else {
|
541 | 24236869 | bellard | has_dirty = 1;
|
542 | 24236869 | bellard | memcpy(old_ptr, ptr, 16 * vs->depth);
|
543 | 24236869 | bellard | } |
544 | 24236869 | bellard | |
545 | 24236869 | bellard | ptr += 16 * vs->depth;
|
546 | 24236869 | bellard | old_ptr += 16 * vs->depth;
|
547 | 24236869 | bellard | } |
548 | 24236869 | bellard | } |
549 | 24236869 | bellard | |
550 | 24236869 | bellard | row += vs->ds->linesize; |
551 | 24236869 | bellard | old_row += vs->ds->linesize; |
552 | 24236869 | bellard | } |
553 | 24236869 | bellard | |
554 | 24236869 | bellard | if (!has_dirty) {
|
555 | 24236869 | bellard | qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL); |
556 | 24236869 | bellard | return;
|
557 | 24236869 | bellard | } |
558 | 24236869 | bellard | |
559 | 24236869 | bellard | /* Count rectangles */
|
560 | 24236869 | bellard | n_rectangles = 0;
|
561 | 24236869 | bellard | vnc_write_u8(vs, 0); /* msg id */ |
562 | 24236869 | bellard | vnc_write_u8(vs, 0);
|
563 | 24236869 | bellard | saved_offset = vs->output.offset; |
564 | 24236869 | bellard | vnc_write_u16(vs, 0);
|
565 | 24236869 | bellard | |
566 | 24236869 | bellard | for (y = 0; y < vs->height; y++) { |
567 | 24236869 | bellard | int x;
|
568 | 24236869 | bellard | int last_x = -1; |
569 | 24236869 | bellard | for (x = 0; x < vs->width / 16; x++) { |
570 | 99589bdc | bellard | if (vnc_get_bit(vs->dirty_row[y], x)) {
|
571 | 24236869 | bellard | if (last_x == -1) { |
572 | 24236869 | bellard | last_x = x; |
573 | 24236869 | bellard | } |
574 | 99589bdc | bellard | vnc_clear_bit(vs->dirty_row[y], x); |
575 | 24236869 | bellard | } else {
|
576 | 24236869 | bellard | if (last_x != -1) { |
577 | 24236869 | bellard | int h = find_dirty_height(vs, y, last_x, x);
|
578 | 24236869 | bellard | send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h); |
579 | 24236869 | bellard | n_rectangles++; |
580 | 24236869 | bellard | } |
581 | 24236869 | bellard | last_x = -1;
|
582 | 24236869 | bellard | } |
583 | 24236869 | bellard | } |
584 | 24236869 | bellard | if (last_x != -1) { |
585 | 24236869 | bellard | int h = find_dirty_height(vs, y, last_x, x);
|
586 | 24236869 | bellard | send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h); |
587 | 24236869 | bellard | n_rectangles++; |
588 | 24236869 | bellard | } |
589 | 24236869 | bellard | } |
590 | 24236869 | bellard | vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF; |
591 | 24236869 | bellard | vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF; |
592 | 24236869 | bellard | vnc_flush(vs); |
593 | 24236869 | bellard | |
594 | 24236869 | bellard | } |
595 | 24236869 | bellard | |
596 | a0ecfb73 | balrog | if (vs->csock != -1) { |
597 | a0ecfb73 | balrog | qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL); |
598 | 24236869 | bellard | } |
599 | 24236869 | bellard | |
600 | 24236869 | bellard | } |
601 | 24236869 | bellard | |
602 | 24236869 | bellard | static int vnc_listen_poll(void *opaque) |
603 | 24236869 | bellard | { |
604 | 24236869 | bellard | VncState *vs = opaque; |
605 | 24236869 | bellard | if (vs->csock == -1) |
606 | 24236869 | bellard | return 1; |
607 | 24236869 | bellard | return 0; |
608 | 24236869 | bellard | } |
609 | 24236869 | bellard | |
610 | 24236869 | bellard | static void buffer_reserve(Buffer *buffer, size_t len) |
611 | 24236869 | bellard | { |
612 | 24236869 | bellard | if ((buffer->capacity - buffer->offset) < len) {
|
613 | 24236869 | bellard | buffer->capacity += (len + 1024);
|
614 | 2137b4cc | ths | buffer->buffer = qemu_realloc(buffer->buffer, buffer->capacity); |
615 | 24236869 | bellard | if (buffer->buffer == NULL) { |
616 | 24236869 | bellard | fprintf(stderr, "vnc: out of memory\n");
|
617 | 24236869 | bellard | exit(1);
|
618 | 24236869 | bellard | } |
619 | 24236869 | bellard | } |
620 | 24236869 | bellard | } |
621 | 24236869 | bellard | |
622 | 24236869 | bellard | static int buffer_empty(Buffer *buffer) |
623 | 24236869 | bellard | { |
624 | 24236869 | bellard | return buffer->offset == 0; |
625 | 24236869 | bellard | } |
626 | 24236869 | bellard | |
627 | 60fe76f3 | ths | static uint8_t *buffer_end(Buffer *buffer)
|
628 | 24236869 | bellard | { |
629 | 24236869 | bellard | return buffer->buffer + buffer->offset;
|
630 | 24236869 | bellard | } |
631 | 24236869 | bellard | |
632 | 24236869 | bellard | static void buffer_reset(Buffer *buffer) |
633 | 24236869 | bellard | { |
634 | 24236869 | bellard | buffer->offset = 0;
|
635 | 24236869 | bellard | } |
636 | 24236869 | bellard | |
637 | 24236869 | bellard | static void buffer_append(Buffer *buffer, const void *data, size_t len) |
638 | 24236869 | bellard | { |
639 | 24236869 | bellard | memcpy(buffer->buffer + buffer->offset, data, len); |
640 | 24236869 | bellard | buffer->offset += len; |
641 | 24236869 | bellard | } |
642 | 24236869 | bellard | |
643 | 6ca957f0 | bellard | static int vnc_client_io_error(VncState *vs, int ret, int last_errno) |
644 | 24236869 | bellard | { |
645 | 24236869 | bellard | if (ret == 0 || ret == -1) { |
646 | ea01e5fd | balrog | if (ret == -1) { |
647 | ea01e5fd | balrog | switch (last_errno) {
|
648 | ea01e5fd | balrog | case EINTR:
|
649 | ea01e5fd | balrog | case EAGAIN:
|
650 | ea01e5fd | balrog | #ifdef _WIN32
|
651 | ea01e5fd | balrog | case WSAEWOULDBLOCK:
|
652 | ea01e5fd | balrog | #endif
|
653 | ea01e5fd | balrog | return 0; |
654 | ea01e5fd | balrog | default:
|
655 | ea01e5fd | balrog | break;
|
656 | ea01e5fd | balrog | } |
657 | ea01e5fd | balrog | } |
658 | 24236869 | bellard | |
659 | 8d5d2d4c | ths | VNC_DEBUG("Closing down client sock %d %d\n", ret, ret < 0 ? last_errno : 0); |
660 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); |
661 | 6ca957f0 | bellard | closesocket(vs->csock); |
662 | 24236869 | bellard | vs->csock = -1;
|
663 | bcfad70f | aliguori | vs->ds->idle = 1;
|
664 | 24236869 | bellard | buffer_reset(&vs->input); |
665 | 24236869 | bellard | buffer_reset(&vs->output); |
666 | 24236869 | bellard | vs->need_update = 0;
|
667 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
668 | 8d5d2d4c | ths | if (vs->tls_session) {
|
669 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
670 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
671 | 8d5d2d4c | ths | } |
672 | 8d5d2d4c | ths | vs->wiremode = VNC_WIREMODE_CLEAR; |
673 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
674 | 24236869 | bellard | return 0; |
675 | 24236869 | bellard | } |
676 | 24236869 | bellard | return ret;
|
677 | 24236869 | bellard | } |
678 | 24236869 | bellard | |
679 | 24236869 | bellard | static void vnc_client_error(VncState *vs) |
680 | 24236869 | bellard | { |
681 | 6ca957f0 | bellard | vnc_client_io_error(vs, -1, EINVAL);
|
682 | 24236869 | bellard | } |
683 | 24236869 | bellard | |
684 | 24236869 | bellard | static void vnc_client_write(void *opaque) |
685 | 24236869 | bellard | { |
686 | ceb5caaf | bellard | long ret;
|
687 | 24236869 | bellard | VncState *vs = opaque; |
688 | 24236869 | bellard | |
689 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
690 | 8d5d2d4c | ths | if (vs->tls_session) {
|
691 | 8d5d2d4c | ths | ret = gnutls_write(vs->tls_session, vs->output.buffer, vs->output.offset); |
692 | 8d5d2d4c | ths | if (ret < 0) { |
693 | 8d5d2d4c | ths | if (ret == GNUTLS_E_AGAIN)
|
694 | 8d5d2d4c | ths | errno = EAGAIN; |
695 | 8d5d2d4c | ths | else
|
696 | 8d5d2d4c | ths | errno = EIO; |
697 | 8d5d2d4c | ths | ret = -1;
|
698 | 8d5d2d4c | ths | } |
699 | 8d5d2d4c | ths | } else
|
700 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
701 | 8d5d2d4c | ths | ret = send(vs->csock, vs->output.buffer, vs->output.offset, 0);
|
702 | 6ca957f0 | bellard | ret = vnc_client_io_error(vs, ret, socket_error()); |
703 | 24236869 | bellard | if (!ret)
|
704 | 24236869 | bellard | return;
|
705 | 24236869 | bellard | |
706 | 24236869 | bellard | memmove(vs->output.buffer, vs->output.buffer + ret, (vs->output.offset - ret)); |
707 | 24236869 | bellard | vs->output.offset -= ret; |
708 | 24236869 | bellard | |
709 | 24236869 | bellard | if (vs->output.offset == 0) { |
710 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
711 | 24236869 | bellard | } |
712 | 24236869 | bellard | } |
713 | 24236869 | bellard | |
714 | 24236869 | bellard | static void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting) |
715 | 24236869 | bellard | { |
716 | 24236869 | bellard | vs->read_handler = func; |
717 | 24236869 | bellard | vs->read_handler_expect = expecting; |
718 | 24236869 | bellard | } |
719 | 24236869 | bellard | |
720 | 24236869 | bellard | static void vnc_client_read(void *opaque) |
721 | 24236869 | bellard | { |
722 | 24236869 | bellard | VncState *vs = opaque; |
723 | ceb5caaf | bellard | long ret;
|
724 | 24236869 | bellard | |
725 | 24236869 | bellard | buffer_reserve(&vs->input, 4096);
|
726 | 24236869 | bellard | |
727 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
728 | 8d5d2d4c | ths | if (vs->tls_session) {
|
729 | 8d5d2d4c | ths | ret = gnutls_read(vs->tls_session, buffer_end(&vs->input), 4096);
|
730 | 8d5d2d4c | ths | if (ret < 0) { |
731 | 8d5d2d4c | ths | if (ret == GNUTLS_E_AGAIN)
|
732 | 8d5d2d4c | ths | errno = EAGAIN; |
733 | 8d5d2d4c | ths | else
|
734 | 8d5d2d4c | ths | errno = EIO; |
735 | 8d5d2d4c | ths | ret = -1;
|
736 | 8d5d2d4c | ths | } |
737 | 8d5d2d4c | ths | } else
|
738 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
739 | 8d5d2d4c | ths | ret = recv(vs->csock, buffer_end(&vs->input), 4096, 0); |
740 | 6ca957f0 | bellard | ret = vnc_client_io_error(vs, ret, socket_error()); |
741 | 24236869 | bellard | if (!ret)
|
742 | 24236869 | bellard | return;
|
743 | 24236869 | bellard | |
744 | 24236869 | bellard | vs->input.offset += ret; |
745 | 24236869 | bellard | |
746 | 24236869 | bellard | while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
|
747 | 24236869 | bellard | size_t len = vs->read_handler_expect; |
748 | 24236869 | bellard | int ret;
|
749 | 24236869 | bellard | |
750 | 24236869 | bellard | ret = vs->read_handler(vs, vs->input.buffer, len); |
751 | 24236869 | bellard | if (vs->csock == -1) |
752 | 24236869 | bellard | return;
|
753 | 24236869 | bellard | |
754 | 24236869 | bellard | if (!ret) {
|
755 | 24236869 | bellard | memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len)); |
756 | 24236869 | bellard | vs->input.offset -= len; |
757 | 24236869 | bellard | } else {
|
758 | 24236869 | bellard | vs->read_handler_expect = ret; |
759 | 24236869 | bellard | } |
760 | 24236869 | bellard | } |
761 | 24236869 | bellard | } |
762 | 24236869 | bellard | |
763 | 24236869 | bellard | static void vnc_write(VncState *vs, const void *data, size_t len) |
764 | 24236869 | bellard | { |
765 | 24236869 | bellard | buffer_reserve(&vs->output, len); |
766 | 24236869 | bellard | |
767 | 24236869 | bellard | if (buffer_empty(&vs->output)) {
|
768 | 24236869 | bellard | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
|
769 | 24236869 | bellard | } |
770 | 24236869 | bellard | |
771 | 24236869 | bellard | buffer_append(&vs->output, data, len); |
772 | 24236869 | bellard | } |
773 | 24236869 | bellard | |
774 | 24236869 | bellard | static void vnc_write_s32(VncState *vs, int32_t value) |
775 | 24236869 | bellard | { |
776 | 24236869 | bellard | vnc_write_u32(vs, *(uint32_t *)&value); |
777 | 24236869 | bellard | } |
778 | 24236869 | bellard | |
779 | 24236869 | bellard | static void vnc_write_u32(VncState *vs, uint32_t value) |
780 | 24236869 | bellard | { |
781 | 24236869 | bellard | uint8_t buf[4];
|
782 | 24236869 | bellard | |
783 | 24236869 | bellard | buf[0] = (value >> 24) & 0xFF; |
784 | 24236869 | bellard | buf[1] = (value >> 16) & 0xFF; |
785 | 24236869 | bellard | buf[2] = (value >> 8) & 0xFF; |
786 | 24236869 | bellard | buf[3] = value & 0xFF; |
787 | 24236869 | bellard | |
788 | 24236869 | bellard | vnc_write(vs, buf, 4);
|
789 | 24236869 | bellard | } |
790 | 24236869 | bellard | |
791 | 24236869 | bellard | static void vnc_write_u16(VncState *vs, uint16_t value) |
792 | 24236869 | bellard | { |
793 | 64f5a135 | bellard | uint8_t buf[2];
|
794 | 24236869 | bellard | |
795 | 24236869 | bellard | buf[0] = (value >> 8) & 0xFF; |
796 | 24236869 | bellard | buf[1] = value & 0xFF; |
797 | 24236869 | bellard | |
798 | 24236869 | bellard | vnc_write(vs, buf, 2);
|
799 | 24236869 | bellard | } |
800 | 24236869 | bellard | |
801 | 24236869 | bellard | static void vnc_write_u8(VncState *vs, uint8_t value) |
802 | 24236869 | bellard | { |
803 | 24236869 | bellard | vnc_write(vs, (char *)&value, 1); |
804 | 24236869 | bellard | } |
805 | 24236869 | bellard | |
806 | 24236869 | bellard | static void vnc_flush(VncState *vs) |
807 | 24236869 | bellard | { |
808 | 24236869 | bellard | if (vs->output.offset)
|
809 | 24236869 | bellard | vnc_client_write(vs); |
810 | 24236869 | bellard | } |
811 | 24236869 | bellard | |
812 | 64f5a135 | bellard | static uint8_t read_u8(uint8_t *data, size_t offset)
|
813 | 24236869 | bellard | { |
814 | 24236869 | bellard | return data[offset];
|
815 | 24236869 | bellard | } |
816 | 24236869 | bellard | |
817 | 64f5a135 | bellard | static uint16_t read_u16(uint8_t *data, size_t offset)
|
818 | 24236869 | bellard | { |
819 | 24236869 | bellard | return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); |
820 | 24236869 | bellard | } |
821 | 24236869 | bellard | |
822 | 64f5a135 | bellard | static int32_t read_s32(uint8_t *data, size_t offset)
|
823 | 24236869 | bellard | { |
824 | 24236869 | bellard | return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) | |
825 | 24236869 | bellard | (data[offset + 2] << 8) | data[offset + 3]); |
826 | 24236869 | bellard | } |
827 | 24236869 | bellard | |
828 | 64f5a135 | bellard | static uint32_t read_u32(uint8_t *data, size_t offset)
|
829 | 24236869 | bellard | { |
830 | 24236869 | bellard | return ((data[offset] << 24) | (data[offset + 1] << 16) | |
831 | 24236869 | bellard | (data[offset + 2] << 8) | data[offset + 3]); |
832 | 24236869 | bellard | } |
833 | 24236869 | bellard | |
834 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
835 | 9596ebb7 | pbrook | static ssize_t vnc_tls_push(gnutls_transport_ptr_t transport,
|
836 | 9596ebb7 | pbrook | const void *data, |
837 | 9596ebb7 | pbrook | size_t len) { |
838 | 8d5d2d4c | ths | struct VncState *vs = (struct VncState *)transport; |
839 | 8d5d2d4c | ths | int ret;
|
840 | 8d5d2d4c | ths | |
841 | 8d5d2d4c | ths | retry:
|
842 | 8d5d2d4c | ths | ret = send(vs->csock, data, len, 0);
|
843 | 8d5d2d4c | ths | if (ret < 0) { |
844 | 8d5d2d4c | ths | if (errno == EINTR)
|
845 | 8d5d2d4c | ths | goto retry;
|
846 | 8d5d2d4c | ths | return -1; |
847 | 8d5d2d4c | ths | } |
848 | 8d5d2d4c | ths | return ret;
|
849 | 8d5d2d4c | ths | } |
850 | 8d5d2d4c | ths | |
851 | 8d5d2d4c | ths | |
852 | 9596ebb7 | pbrook | static ssize_t vnc_tls_pull(gnutls_transport_ptr_t transport,
|
853 | 9596ebb7 | pbrook | void *data,
|
854 | 9596ebb7 | pbrook | size_t len) { |
855 | 8d5d2d4c | ths | struct VncState *vs = (struct VncState *)transport; |
856 | 8d5d2d4c | ths | int ret;
|
857 | 8d5d2d4c | ths | |
858 | 8d5d2d4c | ths | retry:
|
859 | 8d5d2d4c | ths | ret = recv(vs->csock, data, len, 0);
|
860 | 8d5d2d4c | ths | if (ret < 0) { |
861 | 8d5d2d4c | ths | if (errno == EINTR)
|
862 | 8d5d2d4c | ths | goto retry;
|
863 | 8d5d2d4c | ths | return -1; |
864 | 8d5d2d4c | ths | } |
865 | 8d5d2d4c | ths | return ret;
|
866 | 8d5d2d4c | ths | } |
867 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
868 | 8d5d2d4c | ths | |
869 | 60fe76f3 | ths | static void client_cut_text(VncState *vs, size_t len, uint8_t *text) |
870 | 24236869 | bellard | { |
871 | 24236869 | bellard | } |
872 | 24236869 | bellard | |
873 | 564c337e | bellard | static void check_pointer_type_change(VncState *vs, int absolute) |
874 | 564c337e | bellard | { |
875 | 564c337e | bellard | if (vs->has_pointer_type_change && vs->absolute != absolute) {
|
876 | 564c337e | bellard | vnc_write_u8(vs, 0);
|
877 | 564c337e | bellard | vnc_write_u8(vs, 0);
|
878 | 564c337e | bellard | vnc_write_u16(vs, 1);
|
879 | 564c337e | bellard | vnc_framebuffer_update(vs, absolute, 0,
|
880 | 564c337e | bellard | vs->ds->width, vs->ds->height, -257);
|
881 | 564c337e | bellard | vnc_flush(vs); |
882 | 564c337e | bellard | } |
883 | 564c337e | bellard | vs->absolute = absolute; |
884 | 564c337e | bellard | } |
885 | 564c337e | bellard | |
886 | 24236869 | bellard | static void pointer_event(VncState *vs, int button_mask, int x, int y) |
887 | 24236869 | bellard | { |
888 | 24236869 | bellard | int buttons = 0; |
889 | 24236869 | bellard | int dz = 0; |
890 | 24236869 | bellard | |
891 | 24236869 | bellard | if (button_mask & 0x01) |
892 | 24236869 | bellard | buttons |= MOUSE_EVENT_LBUTTON; |
893 | 24236869 | bellard | if (button_mask & 0x02) |
894 | 24236869 | bellard | buttons |= MOUSE_EVENT_MBUTTON; |
895 | 24236869 | bellard | if (button_mask & 0x04) |
896 | 24236869 | bellard | buttons |= MOUSE_EVENT_RBUTTON; |
897 | 24236869 | bellard | if (button_mask & 0x08) |
898 | 24236869 | bellard | dz = -1;
|
899 | 24236869 | bellard | if (button_mask & 0x10) |
900 | 24236869 | bellard | dz = 1;
|
901 | 564c337e | bellard | |
902 | 564c337e | bellard | if (vs->absolute) {
|
903 | b94ed577 | aurel32 | kbd_mouse_event(x * 0x7FFF / (vs->ds->width - 1), |
904 | b94ed577 | aurel32 | y * 0x7FFF / (vs->ds->height - 1), |
905 | 24236869 | bellard | dz, buttons); |
906 | 564c337e | bellard | } else if (vs->has_pointer_type_change) { |
907 | 564c337e | bellard | x -= 0x7FFF;
|
908 | 564c337e | bellard | y -= 0x7FFF;
|
909 | 24236869 | bellard | |
910 | 564c337e | bellard | kbd_mouse_event(x, y, dz, buttons); |
911 | 564c337e | bellard | } else {
|
912 | 564c337e | bellard | if (vs->last_x != -1) |
913 | 564c337e | bellard | kbd_mouse_event(x - vs->last_x, |
914 | 564c337e | bellard | y - vs->last_y, |
915 | 564c337e | bellard | dz, buttons); |
916 | 564c337e | bellard | vs->last_x = x; |
917 | 564c337e | bellard | vs->last_y = y; |
918 | 24236869 | bellard | } |
919 | 564c337e | bellard | |
920 | 564c337e | bellard | check_pointer_type_change(vs, kbd_mouse_is_absolute()); |
921 | 24236869 | bellard | } |
922 | 24236869 | bellard | |
923 | 64f5a135 | bellard | static void reset_keys(VncState *vs) |
924 | 64f5a135 | bellard | { |
925 | 64f5a135 | bellard | int i;
|
926 | 64f5a135 | bellard | for(i = 0; i < 256; i++) { |
927 | 64f5a135 | bellard | if (vs->modifiers_state[i]) {
|
928 | 64f5a135 | bellard | if (i & 0x80) |
929 | 64f5a135 | bellard | kbd_put_keycode(0xe0);
|
930 | 64f5a135 | bellard | kbd_put_keycode(i | 0x80);
|
931 | 64f5a135 | bellard | vs->modifiers_state[i] = 0;
|
932 | 64f5a135 | bellard | } |
933 | 64f5a135 | bellard | } |
934 | 64f5a135 | bellard | } |
935 | 64f5a135 | bellard | |
936 | a528b80c | balrog | static void press_key(VncState *vs, int keysym) |
937 | a528b80c | balrog | { |
938 | a528b80c | balrog | kbd_put_keycode(keysym2scancode(vs->kbd_layout, keysym) & 0x7f);
|
939 | a528b80c | balrog | kbd_put_keycode(keysym2scancode(vs->kbd_layout, keysym) | 0x80);
|
940 | a528b80c | balrog | } |
941 | a528b80c | balrog | |
942 | bdbd7676 | bellard | static void do_key_event(VncState *vs, int down, uint32_t sym) |
943 | 24236869 | bellard | { |
944 | 24236869 | bellard | int keycode;
|
945 | 24236869 | bellard | |
946 | 24236869 | bellard | keycode = keysym2scancode(vs->kbd_layout, sym & 0xFFFF);
|
947 | 3b46e624 | ths | |
948 | 64f5a135 | bellard | /* QEMU console switch */
|
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 | if (down)
|
957 | 64f5a135 | bellard | vs->modifiers_state[keycode] = 1;
|
958 | 64f5a135 | bellard | else
|
959 | 64f5a135 | bellard | vs->modifiers_state[keycode] = 0;
|
960 | 64f5a135 | bellard | break;
|
961 | 5fafdf24 | ths | case 0x02 ... 0x0a: /* '1' to '9' keys */ |
962 | 64f5a135 | bellard | if (down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) { |
963 | 64f5a135 | bellard | /* Reset the modifiers sent to the current console */
|
964 | 64f5a135 | bellard | reset_keys(vs); |
965 | 64f5a135 | bellard | console_select(keycode - 0x02);
|
966 | 64f5a135 | bellard | return;
|
967 | 64f5a135 | bellard | } |
968 | 64f5a135 | bellard | break;
|
969 | 4d3b6f6e | balrog | case 0x3a: /* CapsLock */ |
970 | a528b80c | balrog | case 0x45: /* NumLock */ |
971 | a528b80c | balrog | if (!down)
|
972 | a528b80c | balrog | vs->modifiers_state[keycode] ^= 1;
|
973 | a528b80c | balrog | break;
|
974 | a528b80c | balrog | } |
975 | a528b80c | balrog | |
976 | a528b80c | balrog | if (keycode_is_keypad(vs->kbd_layout, keycode)) {
|
977 | a528b80c | balrog | /* If the numlock state needs to change then simulate an additional
|
978 | a528b80c | balrog | keypress before sending this one. This will happen if the user
|
979 | a528b80c | balrog | toggles numlock away from the VNC window.
|
980 | a528b80c | balrog | */
|
981 | a528b80c | balrog | if (keysym_is_numlock(vs->kbd_layout, sym & 0xFFFF)) { |
982 | a528b80c | balrog | if (!vs->modifiers_state[0x45]) { |
983 | a528b80c | balrog | vs->modifiers_state[0x45] = 1; |
984 | a528b80c | balrog | press_key(vs, 0xff7f);
|
985 | a528b80c | balrog | } |
986 | a528b80c | balrog | } else {
|
987 | a528b80c | balrog | if (vs->modifiers_state[0x45]) { |
988 | a528b80c | balrog | vs->modifiers_state[0x45] = 0; |
989 | a528b80c | balrog | press_key(vs, 0xff7f);
|
990 | a528b80c | balrog | } |
991 | a528b80c | balrog | } |
992 | 64f5a135 | bellard | } |
993 | 24236869 | bellard | |
994 | 64f5a135 | bellard | if (is_graphic_console()) {
|
995 | 64f5a135 | bellard | if (keycode & 0x80) |
996 | 64f5a135 | bellard | kbd_put_keycode(0xe0);
|
997 | 64f5a135 | bellard | if (down)
|
998 | 64f5a135 | bellard | kbd_put_keycode(keycode & 0x7f);
|
999 | 64f5a135 | bellard | else
|
1000 | 64f5a135 | bellard | kbd_put_keycode(keycode | 0x80);
|
1001 | 64f5a135 | bellard | } else {
|
1002 | 64f5a135 | bellard | /* QEMU console emulation */
|
1003 | 64f5a135 | bellard | if (down) {
|
1004 | 64f5a135 | bellard | switch (keycode) {
|
1005 | 64f5a135 | bellard | case 0x2a: /* Left Shift */ |
1006 | 64f5a135 | bellard | case 0x36: /* Right Shift */ |
1007 | 64f5a135 | bellard | case 0x1d: /* Left CTRL */ |
1008 | 64f5a135 | bellard | case 0x9d: /* Right CTRL */ |
1009 | 64f5a135 | bellard | case 0x38: /* Left ALT */ |
1010 | 64f5a135 | bellard | case 0xb8: /* Right ALT */ |
1011 | 64f5a135 | bellard | break;
|
1012 | 64f5a135 | bellard | case 0xc8: |
1013 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_UP); |
1014 | 64f5a135 | bellard | break;
|
1015 | 64f5a135 | bellard | case 0xd0: |
1016 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_DOWN); |
1017 | 64f5a135 | bellard | break;
|
1018 | 64f5a135 | bellard | case 0xcb: |
1019 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_LEFT); |
1020 | 64f5a135 | bellard | break;
|
1021 | 64f5a135 | bellard | case 0xcd: |
1022 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_RIGHT); |
1023 | 64f5a135 | bellard | break;
|
1024 | 64f5a135 | bellard | case 0xd3: |
1025 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_DELETE); |
1026 | 64f5a135 | bellard | break;
|
1027 | 64f5a135 | bellard | case 0xc7: |
1028 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_HOME); |
1029 | 64f5a135 | bellard | break;
|
1030 | 64f5a135 | bellard | case 0xcf: |
1031 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_END); |
1032 | 64f5a135 | bellard | break;
|
1033 | 64f5a135 | bellard | case 0xc9: |
1034 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_PAGEUP); |
1035 | 64f5a135 | bellard | break;
|
1036 | 64f5a135 | bellard | case 0xd1: |
1037 | 64f5a135 | bellard | kbd_put_keysym(QEMU_KEY_PAGEDOWN); |
1038 | 64f5a135 | bellard | break;
|
1039 | 64f5a135 | bellard | default:
|
1040 | 64f5a135 | bellard | kbd_put_keysym(sym); |
1041 | 64f5a135 | bellard | break;
|
1042 | 64f5a135 | bellard | } |
1043 | 64f5a135 | bellard | } |
1044 | 64f5a135 | bellard | } |
1045 | 24236869 | bellard | } |
1046 | 24236869 | bellard | |
1047 | bdbd7676 | bellard | static void key_event(VncState *vs, int down, uint32_t sym) |
1048 | bdbd7676 | bellard | { |
1049 | a528b80c | balrog | if (sym >= 'A' && sym <= 'Z' && is_graphic_console()) |
1050 | bdbd7676 | bellard | sym = sym - 'A' + 'a'; |
1051 | bdbd7676 | bellard | do_key_event(vs, down, sym); |
1052 | bdbd7676 | bellard | } |
1053 | bdbd7676 | bellard | |
1054 | 24236869 | bellard | static void framebuffer_update_request(VncState *vs, int incremental, |
1055 | 24236869 | bellard | int x_position, int y_position, |
1056 | 24236869 | bellard | int w, int h) |
1057 | 24236869 | bellard | { |
1058 | cf2d385c | ths | if (x_position > vs->ds->width)
|
1059 | cf2d385c | ths | x_position = vs->ds->width; |
1060 | cf2d385c | ths | if (y_position > vs->ds->height)
|
1061 | cf2d385c | ths | y_position = vs->ds->height; |
1062 | cf2d385c | ths | if (x_position + w >= vs->ds->width)
|
1063 | cf2d385c | ths | w = vs->ds->width - x_position; |
1064 | cf2d385c | ths | if (y_position + h >= vs->ds->height)
|
1065 | cf2d385c | ths | h = vs->ds->height - y_position; |
1066 | cf2d385c | ths | |
1067 | 24236869 | bellard | int i;
|
1068 | 24236869 | bellard | vs->need_update = 1;
|
1069 | 24236869 | bellard | if (!incremental) {
|
1070 | 24236869 | bellard | char *old_row = vs->old_data + y_position * vs->ds->linesize;
|
1071 | 24236869 | bellard | |
1072 | 24236869 | bellard | for (i = 0; i < h; i++) { |
1073 | 5fafdf24 | ths | vnc_set_bits(vs->dirty_row[y_position + i], |
1074 | 99589bdc | bellard | (vs->ds->width / 16), VNC_DIRTY_WORDS);
|
1075 | 24236869 | bellard | memset(old_row, 42, vs->ds->width * vs->depth);
|
1076 | 24236869 | bellard | old_row += vs->ds->linesize; |
1077 | 24236869 | bellard | } |
1078 | 24236869 | bellard | } |
1079 | 24236869 | bellard | } |
1080 | 24236869 | bellard | |
1081 | 24236869 | bellard | static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) |
1082 | 24236869 | bellard | { |
1083 | 24236869 | bellard | int i;
|
1084 | 24236869 | bellard | |
1085 | 24236869 | bellard | vs->has_hextile = 0;
|
1086 | 24236869 | bellard | vs->has_resize = 0;
|
1087 | 564c337e | bellard | vs->has_pointer_type_change = 0;
|
1088 | 564c337e | bellard | vs->absolute = -1;
|
1089 | 24236869 | bellard | vs->ds->dpy_copy = NULL;
|
1090 | 24236869 | bellard | |
1091 | 24236869 | bellard | for (i = n_encodings - 1; i >= 0; i--) { |
1092 | 24236869 | bellard | switch (encodings[i]) {
|
1093 | 24236869 | bellard | case 0: /* Raw */ |
1094 | 24236869 | bellard | vs->has_hextile = 0;
|
1095 | 24236869 | bellard | break;
|
1096 | 24236869 | bellard | case 1: /* CopyRect */ |
1097 | 24236869 | bellard | vs->ds->dpy_copy = vnc_copy; |
1098 | 24236869 | bellard | break;
|
1099 | 24236869 | bellard | case 5: /* Hextile */ |
1100 | 24236869 | bellard | vs->has_hextile = 1;
|
1101 | 24236869 | bellard | break;
|
1102 | 24236869 | bellard | case -223: /* DesktopResize */ |
1103 | 24236869 | bellard | vs->has_resize = 1;
|
1104 | 24236869 | bellard | break;
|
1105 | 564c337e | bellard | case -257: |
1106 | 564c337e | bellard | vs->has_pointer_type_change = 1;
|
1107 | 564c337e | bellard | break;
|
1108 | 24236869 | bellard | default:
|
1109 | 24236869 | bellard | break;
|
1110 | 24236869 | bellard | } |
1111 | 24236869 | bellard | } |
1112 | 564c337e | bellard | |
1113 | 564c337e | bellard | check_pointer_type_change(vs, kbd_mouse_is_absolute()); |
1114 | 24236869 | bellard | } |
1115 | 24236869 | bellard | |
1116 | 3512779a | bellard | static int compute_nbits(unsigned int val) |
1117 | 3512779a | bellard | { |
1118 | 3512779a | bellard | int n;
|
1119 | 3512779a | bellard | n = 0;
|
1120 | 3512779a | bellard | while (val != 0) { |
1121 | 3512779a | bellard | n++; |
1122 | 3512779a | bellard | val >>= 1;
|
1123 | 3512779a | bellard | } |
1124 | 3512779a | bellard | return n;
|
1125 | 3512779a | bellard | } |
1126 | 3512779a | bellard | |
1127 | 24236869 | bellard | static void set_pixel_format(VncState *vs, |
1128 | 24236869 | bellard | int bits_per_pixel, int depth, |
1129 | 24236869 | bellard | int big_endian_flag, int true_color_flag, |
1130 | 24236869 | bellard | int red_max, int green_max, int blue_max, |
1131 | 24236869 | bellard | int red_shift, int green_shift, int blue_shift) |
1132 | 24236869 | bellard | { |
1133 | 3512779a | bellard | int host_big_endian_flag;
|
1134 | 24236869 | bellard | |
1135 | 3512779a | bellard | #ifdef WORDS_BIGENDIAN
|
1136 | 3512779a | bellard | host_big_endian_flag = 1;
|
1137 | 3512779a | bellard | #else
|
1138 | 3512779a | bellard | host_big_endian_flag = 0;
|
1139 | 3512779a | bellard | #endif
|
1140 | 3512779a | bellard | if (!true_color_flag) {
|
1141 | 3512779a | bellard | fail:
|
1142 | 24236869 | bellard | vnc_client_error(vs); |
1143 | 3512779a | bellard | return;
|
1144 | 3512779a | bellard | } |
1145 | 5fafdf24 | ths | if (bits_per_pixel == 32 && |
1146 | 3512779a | bellard | host_big_endian_flag == big_endian_flag && |
1147 | 3512779a | bellard | red_max == 0xff && green_max == 0xff && blue_max == 0xff && |
1148 | 3512779a | bellard | red_shift == 16 && green_shift == 8 && blue_shift == 0) { |
1149 | 3512779a | bellard | vs->depth = 4;
|
1150 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_copy; |
1151 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_32; |
1152 | 5fafdf24 | ths | } else
|
1153 | 5fafdf24 | ths | if (bits_per_pixel == 16 && |
1154 | 3512779a | bellard | host_big_endian_flag == big_endian_flag && |
1155 | 3512779a | bellard | red_max == 31 && green_max == 63 && blue_max == 31 && |
1156 | 3512779a | bellard | red_shift == 11 && green_shift == 5 && blue_shift == 0) { |
1157 | 3512779a | bellard | vs->depth = 2;
|
1158 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_copy; |
1159 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_16; |
1160 | 5fafdf24 | ths | } else
|
1161 | 5fafdf24 | ths | if (bits_per_pixel == 8 && |
1162 | 3512779a | bellard | red_max == 7 && green_max == 7 && blue_max == 3 && |
1163 | 3512779a | bellard | red_shift == 5 && green_shift == 2 && blue_shift == 0) { |
1164 | 3512779a | bellard | vs->depth = 1;
|
1165 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_copy; |
1166 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_8; |
1167 | 5fafdf24 | ths | } else
|
1168 | 3512779a | bellard | { |
1169 | 3512779a | bellard | /* generic and slower case */
|
1170 | 3512779a | bellard | if (bits_per_pixel != 8 && |
1171 | 3512779a | bellard | bits_per_pixel != 16 &&
|
1172 | 3512779a | bellard | bits_per_pixel != 32)
|
1173 | 3512779a | bellard | goto fail;
|
1174 | 3512779a | bellard | vs->depth = 4;
|
1175 | 3512779a | bellard | vs->red_shift = red_shift; |
1176 | 3512779a | bellard | vs->red_max = red_max; |
1177 | 3512779a | bellard | vs->red_shift1 = 24 - compute_nbits(red_max);
|
1178 | 3512779a | bellard | vs->green_shift = green_shift; |
1179 | 3512779a | bellard | vs->green_max = green_max; |
1180 | 3512779a | bellard | vs->green_shift1 = 16 - compute_nbits(green_max);
|
1181 | 3512779a | bellard | vs->blue_shift = blue_shift; |
1182 | 3512779a | bellard | vs->blue_max = blue_max; |
1183 | 3512779a | bellard | vs->blue_shift1 = 8 - compute_nbits(blue_max);
|
1184 | 3512779a | bellard | vs->pix_bpp = bits_per_pixel / 8;
|
1185 | 3512779a | bellard | vs->pix_big_endian = big_endian_flag; |
1186 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_generic; |
1187 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_generic; |
1188 | 3512779a | bellard | } |
1189 | 24236869 | bellard | |
1190 | 24236869 | bellard | vnc_dpy_resize(vs->ds, vs->ds->width, vs->ds->height); |
1191 | 24236869 | bellard | |
1192 | 24236869 | bellard | vga_hw_invalidate(); |
1193 | 24236869 | bellard | vga_hw_update(); |
1194 | 24236869 | bellard | } |
1195 | 24236869 | bellard | |
1196 | 60fe76f3 | ths | static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) |
1197 | 24236869 | bellard | { |
1198 | 24236869 | bellard | int i;
|
1199 | 24236869 | bellard | uint16_t limit; |
1200 | 24236869 | bellard | |
1201 | 24236869 | bellard | switch (data[0]) { |
1202 | 24236869 | bellard | case 0: |
1203 | 24236869 | bellard | if (len == 1) |
1204 | 24236869 | bellard | return 20; |
1205 | 24236869 | bellard | |
1206 | 24236869 | bellard | set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5), |
1207 | 24236869 | bellard | read_u8(data, 6), read_u8(data, 7), |
1208 | 24236869 | bellard | read_u16(data, 8), read_u16(data, 10), |
1209 | 24236869 | bellard | read_u16(data, 12), read_u8(data, 14), |
1210 | 24236869 | bellard | read_u8(data, 15), read_u8(data, 16)); |
1211 | 24236869 | bellard | break;
|
1212 | 24236869 | bellard | case 2: |
1213 | 24236869 | bellard | if (len == 1) |
1214 | 24236869 | bellard | return 4; |
1215 | 24236869 | bellard | |
1216 | 24236869 | bellard | if (len == 4) |
1217 | 24236869 | bellard | return 4 + (read_u16(data, 2) * 4); |
1218 | 24236869 | bellard | |
1219 | 24236869 | bellard | limit = read_u16(data, 2);
|
1220 | 24236869 | bellard | for (i = 0; i < limit; i++) { |
1221 | 24236869 | bellard | int32_t val = read_s32(data, 4 + (i * 4)); |
1222 | 24236869 | bellard | memcpy(data + 4 + (i * 4), &val, sizeof(val)); |
1223 | 24236869 | bellard | } |
1224 | 24236869 | bellard | |
1225 | 24236869 | bellard | set_encodings(vs, (int32_t *)(data + 4), limit);
|
1226 | 24236869 | bellard | break;
|
1227 | 24236869 | bellard | case 3: |
1228 | 24236869 | bellard | if (len == 1) |
1229 | 24236869 | bellard | return 10; |
1230 | 24236869 | bellard | |
1231 | 24236869 | bellard | framebuffer_update_request(vs, |
1232 | 24236869 | bellard | read_u8(data, 1), read_u16(data, 2), read_u16(data, 4), |
1233 | 24236869 | bellard | read_u16(data, 6), read_u16(data, 8)); |
1234 | 24236869 | bellard | break;
|
1235 | 24236869 | bellard | case 4: |
1236 | 24236869 | bellard | if (len == 1) |
1237 | 24236869 | bellard | return 8; |
1238 | 24236869 | bellard | |
1239 | 24236869 | bellard | key_event(vs, read_u8(data, 1), read_u32(data, 4)); |
1240 | 24236869 | bellard | break;
|
1241 | 24236869 | bellard | case 5: |
1242 | 24236869 | bellard | if (len == 1) |
1243 | 24236869 | bellard | return 6; |
1244 | 24236869 | bellard | |
1245 | 24236869 | bellard | pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4)); |
1246 | 24236869 | bellard | break;
|
1247 | 24236869 | bellard | case 6: |
1248 | 24236869 | bellard | if (len == 1) |
1249 | 24236869 | bellard | return 8; |
1250 | 24236869 | bellard | |
1251 | baa7666c | ths | if (len == 8) { |
1252 | baa7666c | ths | uint32_t dlen = read_u32(data, 4);
|
1253 | baa7666c | ths | if (dlen > 0) |
1254 | baa7666c | ths | return 8 + dlen; |
1255 | baa7666c | ths | } |
1256 | 24236869 | bellard | |
1257 | 24236869 | bellard | client_cut_text(vs, read_u32(data, 4), data + 8); |
1258 | 24236869 | bellard | break;
|
1259 | 24236869 | bellard | default:
|
1260 | 24236869 | bellard | printf("Msg: %d\n", data[0]); |
1261 | 24236869 | bellard | vnc_client_error(vs); |
1262 | 24236869 | bellard | break;
|
1263 | 24236869 | bellard | } |
1264 | 5fafdf24 | ths | |
1265 | 24236869 | bellard | vnc_read_when(vs, protocol_client_msg, 1);
|
1266 | 24236869 | bellard | return 0; |
1267 | 24236869 | bellard | } |
1268 | 24236869 | bellard | |
1269 | 60fe76f3 | ths | static int protocol_client_init(VncState *vs, uint8_t *data, size_t len) |
1270 | 24236869 | bellard | { |
1271 | 24236869 | bellard | char pad[3] = { 0, 0, 0 }; |
1272 | c35734b2 | ths | char buf[1024]; |
1273 | c35734b2 | ths | int size;
|
1274 | 24236869 | bellard | |
1275 | 24236869 | bellard | vs->width = vs->ds->width; |
1276 | 24236869 | bellard | vs->height = vs->ds->height; |
1277 | 24236869 | bellard | vnc_write_u16(vs, vs->ds->width); |
1278 | 24236869 | bellard | vnc_write_u16(vs, vs->ds->height); |
1279 | 24236869 | bellard | |
1280 | 24236869 | bellard | vnc_write_u8(vs, vs->depth * 8); /* bits-per-pixel */ |
1281 | 24236869 | bellard | vnc_write_u8(vs, vs->depth * 8); /* depth */ |
1282 | 3512779a | bellard | #ifdef WORDS_BIGENDIAN
|
1283 | 3512779a | bellard | vnc_write_u8(vs, 1); /* big-endian-flag */ |
1284 | 3512779a | bellard | #else
|
1285 | 24236869 | bellard | vnc_write_u8(vs, 0); /* big-endian-flag */ |
1286 | 3512779a | bellard | #endif
|
1287 | 24236869 | bellard | vnc_write_u8(vs, 1); /* true-color-flag */ |
1288 | 24236869 | bellard | if (vs->depth == 4) { |
1289 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* red-max */ |
1290 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* green-max */ |
1291 | 24236869 | bellard | vnc_write_u16(vs, 0xFF); /* blue-max */ |
1292 | 24236869 | bellard | vnc_write_u8(vs, 16); /* red-shift */ |
1293 | 24236869 | bellard | vnc_write_u8(vs, 8); /* green-shift */ |
1294 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
1295 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_32; |
1296 | 24236869 | bellard | } else if (vs->depth == 2) { |
1297 | 24236869 | bellard | vnc_write_u16(vs, 31); /* red-max */ |
1298 | 24236869 | bellard | vnc_write_u16(vs, 63); /* green-max */ |
1299 | 24236869 | bellard | vnc_write_u16(vs, 31); /* blue-max */ |
1300 | 24236869 | bellard | vnc_write_u8(vs, 11); /* red-shift */ |
1301 | 24236869 | bellard | vnc_write_u8(vs, 5); /* green-shift */ |
1302 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
1303 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_16; |
1304 | 24236869 | bellard | } else if (vs->depth == 1) { |
1305 | 3512779a | bellard | /* XXX: change QEMU pixel 8 bit pixel format to match the VNC one ? */
|
1306 | 3512779a | bellard | vnc_write_u16(vs, 7); /* red-max */ |
1307 | 24236869 | bellard | vnc_write_u16(vs, 7); /* green-max */ |
1308 | 24236869 | bellard | vnc_write_u16(vs, 3); /* blue-max */ |
1309 | 24236869 | bellard | vnc_write_u8(vs, 5); /* red-shift */ |
1310 | 24236869 | bellard | vnc_write_u8(vs, 2); /* green-shift */ |
1311 | 24236869 | bellard | vnc_write_u8(vs, 0); /* blue-shift */ |
1312 | 3512779a | bellard | vs->send_hextile_tile = send_hextile_tile_8; |
1313 | 24236869 | bellard | } |
1314 | 3512779a | bellard | vs->write_pixels = vnc_write_pixels_copy; |
1315 | 5fafdf24 | ths | |
1316 | 24236869 | bellard | vnc_write(vs, pad, 3); /* padding */ |
1317 | 24236869 | bellard | |
1318 | c35734b2 | ths | if (qemu_name)
|
1319 | c35734b2 | ths | size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name); |
1320 | c35734b2 | ths | else
|
1321 | c35734b2 | ths | size = snprintf(buf, sizeof(buf), "QEMU"); |
1322 | c35734b2 | ths | |
1323 | c35734b2 | ths | vnc_write_u32(vs, size); |
1324 | c35734b2 | ths | vnc_write(vs, buf, size); |
1325 | 24236869 | bellard | vnc_flush(vs); |
1326 | 24236869 | bellard | |
1327 | 24236869 | bellard | vnc_read_when(vs, protocol_client_msg, 1);
|
1328 | 24236869 | bellard | |
1329 | 24236869 | bellard | return 0; |
1330 | 24236869 | bellard | } |
1331 | 24236869 | bellard | |
1332 | 70848515 | ths | static void make_challenge(VncState *vs) |
1333 | 70848515 | ths | { |
1334 | 70848515 | ths | int i;
|
1335 | 70848515 | ths | |
1336 | 70848515 | ths | srand(time(NULL)+getpid()+getpid()*987654+rand()); |
1337 | 70848515 | ths | |
1338 | 70848515 | ths | for (i = 0 ; i < sizeof(vs->challenge) ; i++) |
1339 | 70848515 | ths | vs->challenge[i] = (int) (256.0*rand()/(RAND_MAX+1.0)); |
1340 | 70848515 | ths | } |
1341 | 70848515 | ths | |
1342 | 60fe76f3 | ths | static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) |
1343 | 70848515 | ths | { |
1344 | 60fe76f3 | ths | unsigned char response[VNC_AUTH_CHALLENGE_SIZE]; |
1345 | 70848515 | ths | int i, j, pwlen;
|
1346 | 60fe76f3 | ths | unsigned char key[8]; |
1347 | 70848515 | ths | |
1348 | 70848515 | ths | if (!vs->password || !vs->password[0]) { |
1349 | 70848515 | ths | VNC_DEBUG("No password configured on server");
|
1350 | 70848515 | ths | vnc_write_u32(vs, 1); /* Reject auth */ |
1351 | 70848515 | ths | if (vs->minor >= 8) { |
1352 | 70848515 | ths | static const char err[] = "Authentication failed"; |
1353 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
1354 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
1355 | 70848515 | ths | } |
1356 | 70848515 | ths | vnc_flush(vs); |
1357 | 70848515 | ths | vnc_client_error(vs); |
1358 | 70848515 | ths | return 0; |
1359 | 70848515 | ths | } |
1360 | 70848515 | ths | |
1361 | 70848515 | ths | memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE); |
1362 | 70848515 | ths | |
1363 | 70848515 | ths | /* Calculate the expected challenge response */
|
1364 | 70848515 | ths | pwlen = strlen(vs->password); |
1365 | 70848515 | ths | for (i=0; i<sizeof(key); i++) |
1366 | 70848515 | ths | key[i] = i<pwlen ? vs->password[i] : 0;
|
1367 | 70848515 | ths | deskey(key, EN0); |
1368 | 70848515 | ths | for (j = 0; j < VNC_AUTH_CHALLENGE_SIZE; j += 8) |
1369 | 70848515 | ths | des(response+j, response+j); |
1370 | 70848515 | ths | |
1371 | 70848515 | ths | /* Compare expected vs actual challenge response */
|
1372 | 70848515 | ths | if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) { |
1373 | 70848515 | ths | VNC_DEBUG("Client challenge reponse did not match\n");
|
1374 | 70848515 | ths | vnc_write_u32(vs, 1); /* Reject auth */ |
1375 | 70848515 | ths | if (vs->minor >= 8) { |
1376 | 70848515 | ths | static const char err[] = "Authentication failed"; |
1377 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
1378 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
1379 | 70848515 | ths | } |
1380 | 70848515 | ths | vnc_flush(vs); |
1381 | 70848515 | ths | vnc_client_error(vs); |
1382 | 70848515 | ths | } else {
|
1383 | 70848515 | ths | VNC_DEBUG("Accepting VNC challenge response\n");
|
1384 | 70848515 | ths | vnc_write_u32(vs, 0); /* Accept auth */ |
1385 | 70848515 | ths | vnc_flush(vs); |
1386 | 70848515 | ths | |
1387 | 70848515 | ths | vnc_read_when(vs, protocol_client_init, 1);
|
1388 | 70848515 | ths | } |
1389 | 70848515 | ths | return 0; |
1390 | 70848515 | ths | } |
1391 | 70848515 | ths | |
1392 | 70848515 | ths | static int start_auth_vnc(VncState *vs) |
1393 | 70848515 | ths | { |
1394 | 70848515 | ths | make_challenge(vs); |
1395 | 70848515 | ths | /* Send client a 'random' challenge */
|
1396 | 70848515 | ths | vnc_write(vs, vs->challenge, sizeof(vs->challenge));
|
1397 | 70848515 | ths | vnc_flush(vs); |
1398 | 70848515 | ths | |
1399 | 70848515 | ths | vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge));
|
1400 | 70848515 | ths | return 0; |
1401 | 70848515 | ths | } |
1402 | 70848515 | ths | |
1403 | 8d5d2d4c | ths | |
1404 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
1405 | 8d5d2d4c | ths | #define DH_BITS 1024 |
1406 | 8d5d2d4c | ths | static gnutls_dh_params_t dh_params;
|
1407 | 8d5d2d4c | ths | |
1408 | 8d5d2d4c | ths | static int vnc_tls_initialize(void) |
1409 | 8d5d2d4c | ths | { |
1410 | 8d5d2d4c | ths | static int tlsinitialized = 0; |
1411 | 8d5d2d4c | ths | |
1412 | 8d5d2d4c | ths | if (tlsinitialized)
|
1413 | 8d5d2d4c | ths | return 1; |
1414 | 8d5d2d4c | ths | |
1415 | 8d5d2d4c | ths | if (gnutls_global_init () < 0) |
1416 | 8d5d2d4c | ths | return 0; |
1417 | 8d5d2d4c | ths | |
1418 | 8d5d2d4c | ths | /* XXX ought to re-generate diffie-hellmen params periodically */
|
1419 | 8d5d2d4c | ths | if (gnutls_dh_params_init (&dh_params) < 0) |
1420 | 8d5d2d4c | ths | return 0; |
1421 | 8d5d2d4c | ths | if (gnutls_dh_params_generate2 (dh_params, DH_BITS) < 0) |
1422 | 8d5d2d4c | ths | return 0; |
1423 | 8d5d2d4c | ths | |
1424 | 8d5d2d4c | ths | #if _VNC_DEBUG == 2 |
1425 | 8d5d2d4c | ths | gnutls_global_set_log_level(10);
|
1426 | 8d5d2d4c | ths | gnutls_global_set_log_function(vnc_debug_gnutls_log); |
1427 | 8d5d2d4c | ths | #endif
|
1428 | 8d5d2d4c | ths | |
1429 | 8d5d2d4c | ths | tlsinitialized = 1;
|
1430 | 8d5d2d4c | ths | |
1431 | 8d5d2d4c | ths | return 1; |
1432 | 8d5d2d4c | ths | } |
1433 | 8d5d2d4c | ths | |
1434 | 8d5d2d4c | ths | static gnutls_anon_server_credentials vnc_tls_initialize_anon_cred(void) |
1435 | 8d5d2d4c | ths | { |
1436 | 8d5d2d4c | ths | gnutls_anon_server_credentials anon_cred; |
1437 | 8d5d2d4c | ths | int ret;
|
1438 | 8d5d2d4c | ths | |
1439 | 8d5d2d4c | ths | if ((ret = gnutls_anon_allocate_server_credentials(&anon_cred)) < 0) { |
1440 | 8d5d2d4c | ths | VNC_DEBUG("Cannot allocate credentials %s\n", gnutls_strerror(ret));
|
1441 | 8d5d2d4c | ths | return NULL; |
1442 | 8d5d2d4c | ths | } |
1443 | 8d5d2d4c | ths | |
1444 | 8d5d2d4c | ths | gnutls_anon_set_server_dh_params(anon_cred, dh_params); |
1445 | 8d5d2d4c | ths | |
1446 | 8d5d2d4c | ths | return anon_cred;
|
1447 | 8d5d2d4c | ths | } |
1448 | 8d5d2d4c | ths | |
1449 | 8d5d2d4c | ths | |
1450 | 6f43024c | ths | static gnutls_certificate_credentials_t vnc_tls_initialize_x509_cred(VncState *vs)
|
1451 | 3a702699 | ths | { |
1452 | 3a702699 | ths | gnutls_certificate_credentials_t x509_cred; |
1453 | 3a702699 | ths | int ret;
|
1454 | 6f43024c | ths | |
1455 | 6f43024c | ths | if (!vs->x509cacert) {
|
1456 | 6f43024c | ths | VNC_DEBUG("No CA x509 certificate specified\n");
|
1457 | 6f43024c | ths | return NULL; |
1458 | 6f43024c | ths | } |
1459 | 6f43024c | ths | if (!vs->x509cert) {
|
1460 | 6f43024c | ths | VNC_DEBUG("No server x509 certificate specified\n");
|
1461 | 6f43024c | ths | return NULL; |
1462 | 6f43024c | ths | } |
1463 | 6f43024c | ths | if (!vs->x509key) {
|
1464 | 6f43024c | ths | VNC_DEBUG("No server private key specified\n");
|
1465 | 6f43024c | ths | return NULL; |
1466 | 6f43024c | ths | } |
1467 | 3a702699 | ths | |
1468 | 3a702699 | ths | if ((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0) { |
1469 | 3a702699 | ths | VNC_DEBUG("Cannot allocate credentials %s\n", gnutls_strerror(ret));
|
1470 | 3a702699 | ths | return NULL; |
1471 | 3a702699 | ths | } |
1472 | 6f43024c | ths | if ((ret = gnutls_certificate_set_x509_trust_file(x509_cred,
|
1473 | 6f43024c | ths | vs->x509cacert, |
1474 | 6f43024c | ths | GNUTLS_X509_FMT_PEM)) < 0) {
|
1475 | 3a702699 | ths | VNC_DEBUG("Cannot load CA certificate %s\n", gnutls_strerror(ret));
|
1476 | 3a702699 | ths | gnutls_certificate_free_credentials(x509_cred); |
1477 | 3a702699 | ths | return NULL; |
1478 | 3a702699 | ths | } |
1479 | 3a702699 | ths | |
1480 | 6f43024c | ths | if ((ret = gnutls_certificate_set_x509_key_file (x509_cred,
|
1481 | 6f43024c | ths | vs->x509cert, |
1482 | 6f43024c | ths | vs->x509key, |
1483 | 3a702699 | ths | GNUTLS_X509_FMT_PEM)) < 0) {
|
1484 | 3a702699 | ths | VNC_DEBUG("Cannot load certificate & key %s\n", gnutls_strerror(ret));
|
1485 | 3a702699 | ths | gnutls_certificate_free_credentials(x509_cred); |
1486 | 3a702699 | ths | return NULL; |
1487 | 3a702699 | ths | } |
1488 | 3a702699 | ths | |
1489 | 6f43024c | ths | if (vs->x509cacrl) {
|
1490 | 6f43024c | ths | if ((ret = gnutls_certificate_set_x509_crl_file(x509_cred,
|
1491 | 6f43024c | ths | vs->x509cacrl, |
1492 | 6f43024c | ths | GNUTLS_X509_FMT_PEM)) < 0) {
|
1493 | 3a702699 | ths | VNC_DEBUG("Cannot load CRL %s\n", gnutls_strerror(ret));
|
1494 | 3a702699 | ths | gnutls_certificate_free_credentials(x509_cred); |
1495 | 3a702699 | ths | return NULL; |
1496 | 3a702699 | ths | } |
1497 | 3a702699 | ths | } |
1498 | 3a702699 | ths | |
1499 | 3a702699 | ths | gnutls_certificate_set_dh_params (x509_cred, dh_params); |
1500 | 3a702699 | ths | |
1501 | 3a702699 | ths | return x509_cred;
|
1502 | 3a702699 | ths | } |
1503 | 3a702699 | ths | |
1504 | 469b15c6 | ths | static int vnc_validate_certificate(struct VncState *vs) |
1505 | 469b15c6 | ths | { |
1506 | 469b15c6 | ths | int ret;
|
1507 | 469b15c6 | ths | unsigned int status; |
1508 | 469b15c6 | ths | const gnutls_datum_t *certs;
|
1509 | 469b15c6 | ths | unsigned int nCerts, i; |
1510 | 469b15c6 | ths | time_t now; |
1511 | 469b15c6 | ths | |
1512 | 469b15c6 | ths | VNC_DEBUG("Validating client certificate\n");
|
1513 | 469b15c6 | ths | if ((ret = gnutls_certificate_verify_peers2 (vs->tls_session, &status)) < 0) { |
1514 | 469b15c6 | ths | VNC_DEBUG("Verify failed %s\n", gnutls_strerror(ret));
|
1515 | 469b15c6 | ths | return -1; |
1516 | 469b15c6 | ths | } |
1517 | 469b15c6 | ths | |
1518 | 469b15c6 | ths | if ((now = time(NULL)) == ((time_t)-1)) { |
1519 | 469b15c6 | ths | return -1; |
1520 | 469b15c6 | ths | } |
1521 | 469b15c6 | ths | |
1522 | 469b15c6 | ths | if (status != 0) { |
1523 | 469b15c6 | ths | if (status & GNUTLS_CERT_INVALID)
|
1524 | 469b15c6 | ths | VNC_DEBUG("The certificate is not trusted.\n");
|
1525 | 469b15c6 | ths | |
1526 | 469b15c6 | ths | if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
|
1527 | 469b15c6 | ths | VNC_DEBUG("The certificate hasn't got a known issuer.\n");
|
1528 | 469b15c6 | ths | |
1529 | 469b15c6 | ths | if (status & GNUTLS_CERT_REVOKED)
|
1530 | 469b15c6 | ths | VNC_DEBUG("The certificate has been revoked.\n");
|
1531 | 469b15c6 | ths | |
1532 | 469b15c6 | ths | if (status & GNUTLS_CERT_INSECURE_ALGORITHM)
|
1533 | 469b15c6 | ths | VNC_DEBUG("The certificate uses an insecure algorithm\n");
|
1534 | 469b15c6 | ths | |
1535 | 469b15c6 | ths | return -1; |
1536 | 469b15c6 | ths | } else {
|
1537 | 469b15c6 | ths | VNC_DEBUG("Certificate is valid!\n");
|
1538 | 469b15c6 | ths | } |
1539 | 469b15c6 | ths | |
1540 | 469b15c6 | ths | /* Only support x509 for now */
|
1541 | 469b15c6 | ths | if (gnutls_certificate_type_get(vs->tls_session) != GNUTLS_CRT_X509)
|
1542 | 469b15c6 | ths | return -1; |
1543 | 469b15c6 | ths | |
1544 | 469b15c6 | ths | if (!(certs = gnutls_certificate_get_peers(vs->tls_session, &nCerts)))
|
1545 | 469b15c6 | ths | return -1; |
1546 | 469b15c6 | ths | |
1547 | 469b15c6 | ths | for (i = 0 ; i < nCerts ; i++) { |
1548 | 469b15c6 | ths | gnutls_x509_crt_t cert; |
1549 | 469b15c6 | ths | VNC_DEBUG ("Checking certificate chain %d\n", i);
|
1550 | 469b15c6 | ths | if (gnutls_x509_crt_init (&cert) < 0) |
1551 | 469b15c6 | ths | return -1; |
1552 | 469b15c6 | ths | |
1553 | 469b15c6 | ths | if (gnutls_x509_crt_import(cert, &certs[i], GNUTLS_X509_FMT_DER) < 0) { |
1554 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1555 | 469b15c6 | ths | return -1; |
1556 | 469b15c6 | ths | } |
1557 | 469b15c6 | ths | |
1558 | 469b15c6 | ths | if (gnutls_x509_crt_get_expiration_time (cert) < now) {
|
1559 | 469b15c6 | ths | VNC_DEBUG("The certificate has expired\n");
|
1560 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1561 | 469b15c6 | ths | return -1; |
1562 | 469b15c6 | ths | } |
1563 | 469b15c6 | ths | |
1564 | 469b15c6 | ths | if (gnutls_x509_crt_get_activation_time (cert) > now) {
|
1565 | 469b15c6 | ths | VNC_DEBUG("The certificate is not yet activated\n");
|
1566 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1567 | 469b15c6 | ths | return -1; |
1568 | 469b15c6 | ths | } |
1569 | 469b15c6 | ths | |
1570 | 469b15c6 | ths | if (gnutls_x509_crt_get_activation_time (cert) > now) {
|
1571 | 469b15c6 | ths | VNC_DEBUG("The certificate is not yet activated\n");
|
1572 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1573 | 469b15c6 | ths | return -1; |
1574 | 469b15c6 | ths | } |
1575 | 469b15c6 | ths | |
1576 | 469b15c6 | ths | gnutls_x509_crt_deinit (cert); |
1577 | 469b15c6 | ths | } |
1578 | 469b15c6 | ths | |
1579 | 469b15c6 | ths | return 0; |
1580 | 469b15c6 | ths | } |
1581 | 469b15c6 | ths | |
1582 | 469b15c6 | ths | |
1583 | 8d5d2d4c | ths | static int start_auth_vencrypt_subauth(VncState *vs) |
1584 | 8d5d2d4c | ths | { |
1585 | 8d5d2d4c | ths | switch (vs->subauth) {
|
1586 | 8d5d2d4c | ths | case VNC_AUTH_VENCRYPT_TLSNONE:
|
1587 | 3a702699 | ths | case VNC_AUTH_VENCRYPT_X509NONE:
|
1588 | 8d5d2d4c | ths | VNC_DEBUG("Accept TLS auth none\n");
|
1589 | 8d5d2d4c | ths | vnc_write_u32(vs, 0); /* Accept auth completion */ |
1590 | 8d5d2d4c | ths | vnc_read_when(vs, protocol_client_init, 1);
|
1591 | 8d5d2d4c | ths | break;
|
1592 | 8d5d2d4c | ths | |
1593 | 8d5d2d4c | ths | case VNC_AUTH_VENCRYPT_TLSVNC:
|
1594 | 3a702699 | ths | case VNC_AUTH_VENCRYPT_X509VNC:
|
1595 | 8d5d2d4c | ths | VNC_DEBUG("Start TLS auth VNC\n");
|
1596 | 8d5d2d4c | ths | return start_auth_vnc(vs);
|
1597 | 8d5d2d4c | ths | |
1598 | 8d5d2d4c | ths | default: /* Should not be possible, but just in case */ |
1599 | 8d5d2d4c | ths | VNC_DEBUG("Reject auth %d\n", vs->auth);
|
1600 | 8d5d2d4c | ths | vnc_write_u8(vs, 1);
|
1601 | 8d5d2d4c | ths | if (vs->minor >= 8) { |
1602 | 8d5d2d4c | ths | static const char err[] = "Unsupported authentication type"; |
1603 | 8d5d2d4c | ths | vnc_write_u32(vs, sizeof(err));
|
1604 | 8d5d2d4c | ths | vnc_write(vs, err, sizeof(err));
|
1605 | 8d5d2d4c | ths | } |
1606 | 8d5d2d4c | ths | vnc_client_error(vs); |
1607 | 8d5d2d4c | ths | } |
1608 | 8d5d2d4c | ths | |
1609 | 8d5d2d4c | ths | return 0; |
1610 | 8d5d2d4c | ths | } |
1611 | 8d5d2d4c | ths | |
1612 | 8d5d2d4c | ths | static void vnc_handshake_io(void *opaque); |
1613 | 8d5d2d4c | ths | |
1614 | 8d5d2d4c | ths | static int vnc_continue_handshake(struct VncState *vs) { |
1615 | 8d5d2d4c | ths | int ret;
|
1616 | 8d5d2d4c | ths | |
1617 | 8d5d2d4c | ths | if ((ret = gnutls_handshake(vs->tls_session)) < 0) { |
1618 | 8d5d2d4c | ths | if (!gnutls_error_is_fatal(ret)) {
|
1619 | 8d5d2d4c | ths | VNC_DEBUG("Handshake interrupted (blocking)\n");
|
1620 | 8d5d2d4c | ths | if (!gnutls_record_get_direction(vs->tls_session))
|
1621 | 8d5d2d4c | ths | qemu_set_fd_handler(vs->csock, vnc_handshake_io, NULL, vs);
|
1622 | 8d5d2d4c | ths | else
|
1623 | 8d5d2d4c | ths | qemu_set_fd_handler(vs->csock, NULL, vnc_handshake_io, vs);
|
1624 | 8d5d2d4c | ths | return 0; |
1625 | 8d5d2d4c | ths | } |
1626 | 8d5d2d4c | ths | VNC_DEBUG("Handshake failed %s\n", gnutls_strerror(ret));
|
1627 | 8d5d2d4c | ths | vnc_client_error(vs); |
1628 | 8d5d2d4c | ths | return -1; |
1629 | 8d5d2d4c | ths | } |
1630 | 8d5d2d4c | ths | |
1631 | 469b15c6 | ths | if (vs->x509verify) {
|
1632 | 469b15c6 | ths | if (vnc_validate_certificate(vs) < 0) { |
1633 | 469b15c6 | ths | VNC_DEBUG("Client verification failed\n");
|
1634 | 469b15c6 | ths | vnc_client_error(vs); |
1635 | 469b15c6 | ths | return -1; |
1636 | 469b15c6 | ths | } else {
|
1637 | 469b15c6 | ths | VNC_DEBUG("Client verification passed\n");
|
1638 | 469b15c6 | ths | } |
1639 | 469b15c6 | ths | } |
1640 | 469b15c6 | ths | |
1641 | 8d5d2d4c | ths | VNC_DEBUG("Handshake done, switching to TLS data mode\n");
|
1642 | 8d5d2d4c | ths | vs->wiremode = VNC_WIREMODE_TLS; |
1643 | 8d5d2d4c | ths | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
|
1644 | 8d5d2d4c | ths | |
1645 | 8d5d2d4c | ths | return start_auth_vencrypt_subauth(vs);
|
1646 | 8d5d2d4c | ths | } |
1647 | 8d5d2d4c | ths | |
1648 | 8d5d2d4c | ths | static void vnc_handshake_io(void *opaque) { |
1649 | 8d5d2d4c | ths | struct VncState *vs = (struct VncState *)opaque; |
1650 | 8d5d2d4c | ths | |
1651 | 8d5d2d4c | ths | VNC_DEBUG("Handshake IO continue\n");
|
1652 | 8d5d2d4c | ths | vnc_continue_handshake(vs); |
1653 | 8d5d2d4c | ths | } |
1654 | 8d5d2d4c | ths | |
1655 | 3a702699 | ths | #define NEED_X509_AUTH(vs) \
|
1656 | 3a702699 | ths | ((vs)->subauth == VNC_AUTH_VENCRYPT_X509NONE || \ |
1657 | 3a702699 | ths | (vs)->subauth == VNC_AUTH_VENCRYPT_X509VNC || \ |
1658 | 3a702699 | ths | (vs)->subauth == VNC_AUTH_VENCRYPT_X509PLAIN) |
1659 | 3a702699 | ths | |
1660 | 3a702699 | ths | |
1661 | 8d5d2d4c | ths | static int vnc_start_tls(struct VncState *vs) { |
1662 | 8d5d2d4c | ths | static const int cert_type_priority[] = { GNUTLS_CRT_X509, 0 }; |
1663 | 8d5d2d4c | ths | static const int protocol_priority[]= { GNUTLS_TLS1_1, GNUTLS_TLS1_0, GNUTLS_SSL3, 0 }; |
1664 | 8d5d2d4c | ths | static const int kx_anon[] = {GNUTLS_KX_ANON_DH, 0}; |
1665 | 3a702699 | ths | static const int kx_x509[] = {GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA, GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0}; |
1666 | 8d5d2d4c | ths | |
1667 | 8d5d2d4c | ths | VNC_DEBUG("Do TLS setup\n");
|
1668 | 8d5d2d4c | ths | if (vnc_tls_initialize() < 0) { |
1669 | 8d5d2d4c | ths | VNC_DEBUG("Failed to init TLS\n");
|
1670 | 8d5d2d4c | ths | vnc_client_error(vs); |
1671 | 8d5d2d4c | ths | return -1; |
1672 | 8d5d2d4c | ths | } |
1673 | 8d5d2d4c | ths | if (vs->tls_session == NULL) { |
1674 | 8d5d2d4c | ths | if (gnutls_init(&vs->tls_session, GNUTLS_SERVER) < 0) { |
1675 | 8d5d2d4c | ths | vnc_client_error(vs); |
1676 | 8d5d2d4c | ths | return -1; |
1677 | 8d5d2d4c | ths | } |
1678 | 8d5d2d4c | ths | |
1679 | 8d5d2d4c | ths | if (gnutls_set_default_priority(vs->tls_session) < 0) { |
1680 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
1681 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
1682 | 8d5d2d4c | ths | vnc_client_error(vs); |
1683 | 8d5d2d4c | ths | return -1; |
1684 | 8d5d2d4c | ths | } |
1685 | 8d5d2d4c | ths | |
1686 | 3a702699 | ths | if (gnutls_kx_set_priority(vs->tls_session, NEED_X509_AUTH(vs) ? kx_x509 : kx_anon) < 0) { |
1687 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
1688 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
1689 | 8d5d2d4c | ths | vnc_client_error(vs); |
1690 | 8d5d2d4c | ths | return -1; |
1691 | 8d5d2d4c | ths | } |
1692 | 8d5d2d4c | ths | |
1693 | 8d5d2d4c | ths | if (gnutls_certificate_type_set_priority(vs->tls_session, cert_type_priority) < 0) { |
1694 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
1695 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
1696 | 8d5d2d4c | ths | vnc_client_error(vs); |
1697 | 8d5d2d4c | ths | return -1; |
1698 | 8d5d2d4c | ths | } |
1699 | 8d5d2d4c | ths | |
1700 | 8d5d2d4c | ths | if (gnutls_protocol_set_priority(vs->tls_session, protocol_priority) < 0) { |
1701 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
1702 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
1703 | 8d5d2d4c | ths | vnc_client_error(vs); |
1704 | 8d5d2d4c | ths | return -1; |
1705 | 8d5d2d4c | ths | } |
1706 | 8d5d2d4c | ths | |
1707 | 3a702699 | ths | if (NEED_X509_AUTH(vs)) {
|
1708 | 6f43024c | ths | gnutls_certificate_server_credentials x509_cred = vnc_tls_initialize_x509_cred(vs); |
1709 | 3a702699 | ths | if (!x509_cred) {
|
1710 | 3a702699 | ths | gnutls_deinit(vs->tls_session); |
1711 | 3a702699 | ths | vs->tls_session = NULL;
|
1712 | 3a702699 | ths | vnc_client_error(vs); |
1713 | 3a702699 | ths | return -1; |
1714 | 3a702699 | ths | } |
1715 | 3a702699 | ths | if (gnutls_credentials_set(vs->tls_session, GNUTLS_CRD_CERTIFICATE, x509_cred) < 0) { |
1716 | 3a702699 | ths | gnutls_deinit(vs->tls_session); |
1717 | 3a702699 | ths | vs->tls_session = NULL;
|
1718 | 3a702699 | ths | gnutls_certificate_free_credentials(x509_cred); |
1719 | 3a702699 | ths | vnc_client_error(vs); |
1720 | 3a702699 | ths | return -1; |
1721 | 3a702699 | ths | } |
1722 | 469b15c6 | ths | if (vs->x509verify) {
|
1723 | 469b15c6 | ths | VNC_DEBUG("Requesting a client certificate\n");
|
1724 | 469b15c6 | ths | gnutls_certificate_server_set_request (vs->tls_session, GNUTLS_CERT_REQUEST); |
1725 | 469b15c6 | ths | } |
1726 | 469b15c6 | ths | |
1727 | 3a702699 | ths | } else {
|
1728 | 3a702699 | ths | gnutls_anon_server_credentials anon_cred = vnc_tls_initialize_anon_cred(); |
1729 | 3a702699 | ths | if (!anon_cred) {
|
1730 | 3a702699 | ths | gnutls_deinit(vs->tls_session); |
1731 | 3a702699 | ths | vs->tls_session = NULL;
|
1732 | 3a702699 | ths | vnc_client_error(vs); |
1733 | 3a702699 | ths | return -1; |
1734 | 3a702699 | ths | } |
1735 | 3a702699 | ths | if (gnutls_credentials_set(vs->tls_session, GNUTLS_CRD_ANON, anon_cred) < 0) { |
1736 | 3a702699 | ths | gnutls_deinit(vs->tls_session); |
1737 | 3a702699 | ths | vs->tls_session = NULL;
|
1738 | 3a702699 | ths | gnutls_anon_free_server_credentials(anon_cred); |
1739 | 3a702699 | ths | vnc_client_error(vs); |
1740 | 3a702699 | ths | return -1; |
1741 | 3a702699 | ths | } |
1742 | 8d5d2d4c | ths | } |
1743 | 8d5d2d4c | ths | |
1744 | 8d5d2d4c | ths | gnutls_transport_set_ptr(vs->tls_session, (gnutls_transport_ptr_t)vs); |
1745 | 8d5d2d4c | ths | gnutls_transport_set_push_function(vs->tls_session, vnc_tls_push); |
1746 | 8d5d2d4c | ths | gnutls_transport_set_pull_function(vs->tls_session, vnc_tls_pull); |
1747 | 8d5d2d4c | ths | } |
1748 | 8d5d2d4c | ths | |
1749 | 8d5d2d4c | ths | VNC_DEBUG("Start TLS handshake process\n");
|
1750 | 8d5d2d4c | ths | return vnc_continue_handshake(vs);
|
1751 | 8d5d2d4c | ths | } |
1752 | 8d5d2d4c | ths | |
1753 | 60fe76f3 | ths | static int protocol_client_vencrypt_auth(VncState *vs, uint8_t *data, size_t len) |
1754 | 8d5d2d4c | ths | { |
1755 | 8d5d2d4c | ths | int auth = read_u32(data, 0); |
1756 | 8d5d2d4c | ths | |
1757 | 8d5d2d4c | ths | if (auth != vs->subauth) {
|
1758 | 8d5d2d4c | ths | VNC_DEBUG("Rejecting auth %d\n", auth);
|
1759 | 8d5d2d4c | ths | vnc_write_u8(vs, 0); /* Reject auth */ |
1760 | 8d5d2d4c | ths | vnc_flush(vs); |
1761 | 8d5d2d4c | ths | vnc_client_error(vs); |
1762 | 8d5d2d4c | ths | } else {
|
1763 | 8d5d2d4c | ths | VNC_DEBUG("Accepting auth %d, starting handshake\n", auth);
|
1764 | 8d5d2d4c | ths | vnc_write_u8(vs, 1); /* Accept auth */ |
1765 | 8d5d2d4c | ths | vnc_flush(vs); |
1766 | 8d5d2d4c | ths | |
1767 | 8d5d2d4c | ths | if (vnc_start_tls(vs) < 0) { |
1768 | 8d5d2d4c | ths | VNC_DEBUG("Failed to complete TLS\n");
|
1769 | 8d5d2d4c | ths | return 0; |
1770 | 8d5d2d4c | ths | } |
1771 | 8d5d2d4c | ths | |
1772 | 8d5d2d4c | ths | if (vs->wiremode == VNC_WIREMODE_TLS) {
|
1773 | 8d5d2d4c | ths | VNC_DEBUG("Starting VeNCrypt subauth\n");
|
1774 | 8d5d2d4c | ths | return start_auth_vencrypt_subauth(vs);
|
1775 | 8d5d2d4c | ths | } else {
|
1776 | 8d5d2d4c | ths | VNC_DEBUG("TLS handshake blocked\n");
|
1777 | 8d5d2d4c | ths | return 0; |
1778 | 8d5d2d4c | ths | } |
1779 | 8d5d2d4c | ths | } |
1780 | 8d5d2d4c | ths | return 0; |
1781 | 8d5d2d4c | ths | } |
1782 | 8d5d2d4c | ths | |
1783 | 60fe76f3 | ths | static int protocol_client_vencrypt_init(VncState *vs, uint8_t *data, size_t len) |
1784 | 8d5d2d4c | ths | { |
1785 | 8d5d2d4c | ths | if (data[0] != 0 || |
1786 | 8d5d2d4c | ths | data[1] != 2) { |
1787 | 8d5d2d4c | ths | VNC_DEBUG("Unsupported VeNCrypt protocol %d.%d\n", (int)data[0], (int)data[1]); |
1788 | 8d5d2d4c | ths | vnc_write_u8(vs, 1); /* Reject version */ |
1789 | 8d5d2d4c | ths | vnc_flush(vs); |
1790 | 8d5d2d4c | ths | vnc_client_error(vs); |
1791 | 8d5d2d4c | ths | } else {
|
1792 | 8d5d2d4c | ths | VNC_DEBUG("Sending allowed auth %d\n", vs->subauth);
|
1793 | 8d5d2d4c | ths | vnc_write_u8(vs, 0); /* Accept version */ |
1794 | 8d5d2d4c | ths | vnc_write_u8(vs, 1); /* Number of sub-auths */ |
1795 | 8d5d2d4c | ths | vnc_write_u32(vs, vs->subauth); /* The supported auth */
|
1796 | 8d5d2d4c | ths | vnc_flush(vs); |
1797 | 8d5d2d4c | ths | vnc_read_when(vs, protocol_client_vencrypt_auth, 4);
|
1798 | 8d5d2d4c | ths | } |
1799 | 8d5d2d4c | ths | return 0; |
1800 | 8d5d2d4c | ths | } |
1801 | 8d5d2d4c | ths | |
1802 | 8d5d2d4c | ths | static int start_auth_vencrypt(VncState *vs) |
1803 | 8d5d2d4c | ths | { |
1804 | 8d5d2d4c | ths | /* Send VeNCrypt version 0.2 */
|
1805 | 8d5d2d4c | ths | vnc_write_u8(vs, 0);
|
1806 | 8d5d2d4c | ths | vnc_write_u8(vs, 2);
|
1807 | 8d5d2d4c | ths | |
1808 | 8d5d2d4c | ths | vnc_read_when(vs, protocol_client_vencrypt_init, 2);
|
1809 | 8d5d2d4c | ths | return 0; |
1810 | 8d5d2d4c | ths | } |
1811 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
1812 | 8d5d2d4c | ths | |
1813 | 60fe76f3 | ths | static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) |
1814 | 70848515 | ths | { |
1815 | 70848515 | ths | /* We only advertise 1 auth scheme at a time, so client
|
1816 | 70848515 | ths | * must pick the one we sent. Verify this */
|
1817 | 70848515 | ths | if (data[0] != vs->auth) { /* Reject auth */ |
1818 | 70848515 | ths | VNC_DEBUG("Reject auth %d\n", (int)data[0]); |
1819 | 70848515 | ths | vnc_write_u32(vs, 1);
|
1820 | 70848515 | ths | if (vs->minor >= 8) { |
1821 | 70848515 | ths | static const char err[] = "Authentication failed"; |
1822 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
1823 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
1824 | 70848515 | ths | } |
1825 | 70848515 | ths | vnc_client_error(vs); |
1826 | 70848515 | ths | } else { /* Accept requested auth */ |
1827 | 70848515 | ths | VNC_DEBUG("Client requested auth %d\n", (int)data[0]); |
1828 | 70848515 | ths | switch (vs->auth) {
|
1829 | 70848515 | ths | case VNC_AUTH_NONE:
|
1830 | 70848515 | ths | VNC_DEBUG("Accept auth none\n");
|
1831 | a26c97ad | balrog | if (vs->minor >= 8) { |
1832 | a26c97ad | balrog | vnc_write_u32(vs, 0); /* Accept auth completion */ |
1833 | a26c97ad | balrog | vnc_flush(vs); |
1834 | a26c97ad | balrog | } |
1835 | 70848515 | ths | vnc_read_when(vs, protocol_client_init, 1);
|
1836 | 70848515 | ths | break;
|
1837 | 70848515 | ths | |
1838 | 70848515 | ths | case VNC_AUTH_VNC:
|
1839 | 70848515 | ths | VNC_DEBUG("Start VNC auth\n");
|
1840 | 70848515 | ths | return start_auth_vnc(vs);
|
1841 | 70848515 | ths | |
1842 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
1843 | 8d5d2d4c | ths | case VNC_AUTH_VENCRYPT:
|
1844 | 8d5d2d4c | ths | VNC_DEBUG("Accept VeNCrypt auth\n");;
|
1845 | 8d5d2d4c | ths | return start_auth_vencrypt(vs);
|
1846 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
1847 | 8d5d2d4c | ths | |
1848 | 70848515 | ths | default: /* Should not be possible, but just in case */ |
1849 | 70848515 | ths | VNC_DEBUG("Reject auth %d\n", vs->auth);
|
1850 | 70848515 | ths | vnc_write_u8(vs, 1);
|
1851 | 70848515 | ths | if (vs->minor >= 8) { |
1852 | 70848515 | ths | static const char err[] = "Authentication failed"; |
1853 | 70848515 | ths | vnc_write_u32(vs, sizeof(err));
|
1854 | 70848515 | ths | vnc_write(vs, err, sizeof(err));
|
1855 | 70848515 | ths | } |
1856 | 70848515 | ths | vnc_client_error(vs); |
1857 | 70848515 | ths | } |
1858 | 70848515 | ths | } |
1859 | 70848515 | ths | return 0; |
1860 | 70848515 | ths | } |
1861 | 70848515 | ths | |
1862 | 60fe76f3 | ths | static int protocol_version(VncState *vs, uint8_t *version, size_t len) |
1863 | 24236869 | bellard | { |
1864 | 24236869 | bellard | char local[13]; |
1865 | 24236869 | bellard | |
1866 | 24236869 | bellard | memcpy(local, version, 12);
|
1867 | 24236869 | bellard | local[12] = 0; |
1868 | 24236869 | bellard | |
1869 | 70848515 | ths | if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) { |
1870 | 70848515 | ths | VNC_DEBUG("Malformed protocol version %s\n", local);
|
1871 | 24236869 | bellard | vnc_client_error(vs); |
1872 | 24236869 | bellard | return 0; |
1873 | 24236869 | bellard | } |
1874 | 70848515 | ths | VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor);
|
1875 | 70848515 | ths | if (vs->major != 3 || |
1876 | 70848515 | ths | (vs->minor != 3 &&
|
1877 | b0566f4f | ths | vs->minor != 4 &&
|
1878 | 70848515 | ths | vs->minor != 5 &&
|
1879 | 70848515 | ths | vs->minor != 7 &&
|
1880 | 70848515 | ths | vs->minor != 8)) {
|
1881 | 70848515 | ths | VNC_DEBUG("Unsupported client version\n");
|
1882 | 70848515 | ths | vnc_write_u32(vs, VNC_AUTH_INVALID); |
1883 | 70848515 | ths | vnc_flush(vs); |
1884 | 70848515 | ths | vnc_client_error(vs); |
1885 | 70848515 | ths | return 0; |
1886 | 70848515 | ths | } |
1887 | b0566f4f | ths | /* Some broken clients report v3.4 or v3.5, which spec requires to be treated
|
1888 | 70848515 | ths | * as equivalent to v3.3 by servers
|
1889 | 70848515 | ths | */
|
1890 | b0566f4f | ths | if (vs->minor == 4 || vs->minor == 5) |
1891 | 70848515 | ths | vs->minor = 3;
|
1892 | 70848515 | ths | |
1893 | 70848515 | ths | if (vs->minor == 3) { |
1894 | 70848515 | ths | if (vs->auth == VNC_AUTH_NONE) {
|
1895 | 70848515 | ths | VNC_DEBUG("Tell client auth none\n");
|
1896 | 70848515 | ths | vnc_write_u32(vs, vs->auth); |
1897 | 70848515 | ths | vnc_flush(vs); |
1898 | 70848515 | ths | vnc_read_when(vs, protocol_client_init, 1);
|
1899 | 70848515 | ths | } else if (vs->auth == VNC_AUTH_VNC) { |
1900 | 70848515 | ths | VNC_DEBUG("Tell client VNC auth\n");
|
1901 | 70848515 | ths | vnc_write_u32(vs, vs->auth); |
1902 | 70848515 | ths | vnc_flush(vs); |
1903 | 70848515 | ths | start_auth_vnc(vs); |
1904 | 70848515 | ths | } else {
|
1905 | 70848515 | ths | VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth);
|
1906 | 70848515 | ths | vnc_write_u32(vs, VNC_AUTH_INVALID); |
1907 | 70848515 | ths | vnc_flush(vs); |
1908 | 70848515 | ths | vnc_client_error(vs); |
1909 | 70848515 | ths | } |
1910 | 70848515 | ths | } else {
|
1911 | 70848515 | ths | VNC_DEBUG("Telling client we support auth %d\n", vs->auth);
|
1912 | 70848515 | ths | vnc_write_u8(vs, 1); /* num auth */ |
1913 | 70848515 | ths | vnc_write_u8(vs, vs->auth); |
1914 | 70848515 | ths | vnc_read_when(vs, protocol_client_auth, 1);
|
1915 | 70848515 | ths | vnc_flush(vs); |
1916 | 70848515 | ths | } |
1917 | 24236869 | bellard | |
1918 | 24236869 | bellard | return 0; |
1919 | 24236869 | bellard | } |
1920 | 24236869 | bellard | |
1921 | 3aa3eea3 | balrog | static void vnc_connect(VncState *vs) |
1922 | 3aa3eea3 | balrog | { |
1923 | 3aa3eea3 | balrog | VNC_DEBUG("New client on socket %d\n", vs->csock);
|
1924 | bcfad70f | aliguori | vs->ds->idle = 0;
|
1925 | 3aa3eea3 | balrog | socket_set_nonblock(vs->csock); |
1926 | 3aa3eea3 | balrog | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
1927 | 3aa3eea3 | balrog | vnc_write(vs, "RFB 003.008\n", 12); |
1928 | 3aa3eea3 | balrog | vnc_flush(vs); |
1929 | 3aa3eea3 | balrog | vnc_read_when(vs, protocol_version, 12);
|
1930 | 3aa3eea3 | balrog | memset(vs->old_data, 0, vs->ds->linesize * vs->ds->height);
|
1931 | 3aa3eea3 | balrog | memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row)); |
1932 | 3aa3eea3 | balrog | vs->has_resize = 0;
|
1933 | 3aa3eea3 | balrog | vs->has_hextile = 0;
|
1934 | 3aa3eea3 | balrog | vs->ds->dpy_copy = NULL;
|
1935 | 3aa3eea3 | balrog | vnc_update_client(vs); |
1936 | 3aa3eea3 | balrog | } |
1937 | 3aa3eea3 | balrog | |
1938 | 24236869 | bellard | static void vnc_listen_read(void *opaque) |
1939 | 24236869 | bellard | { |
1940 | 24236869 | bellard | VncState *vs = opaque; |
1941 | 24236869 | bellard | struct sockaddr_in addr;
|
1942 | 24236869 | bellard | socklen_t addrlen = sizeof(addr);
|
1943 | 24236869 | bellard | |
1944 | 9f60ad50 | balrog | /* Catch-up */
|
1945 | 9f60ad50 | balrog | vga_hw_update(); |
1946 | 9f60ad50 | balrog | |
1947 | 24236869 | bellard | vs->csock = accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
|
1948 | 24236869 | bellard | if (vs->csock != -1) { |
1949 | 3aa3eea3 | balrog | vnc_connect(vs); |
1950 | 24236869 | bellard | } |
1951 | 24236869 | bellard | } |
1952 | 24236869 | bellard | |
1953 | 73fc9742 | ths | extern int parse_host_port(struct sockaddr_in *saddr, const char *str); |
1954 | 73fc9742 | ths | |
1955 | 71cab5ca | ths | void vnc_display_init(DisplayState *ds)
|
1956 | 24236869 | bellard | { |
1957 | 24236869 | bellard | VncState *vs; |
1958 | 24236869 | bellard | |
1959 | 24236869 | bellard | vs = qemu_mallocz(sizeof(VncState));
|
1960 | 24236869 | bellard | if (!vs)
|
1961 | 24236869 | bellard | exit(1);
|
1962 | 24236869 | bellard | |
1963 | 24236869 | bellard | ds->opaque = vs; |
1964 | bcfad70f | aliguori | ds->idle = 1;
|
1965 | a9ce8590 | bellard | vnc_state = vs; |
1966 | 71cab5ca | ths | vs->display = NULL;
|
1967 | 70848515 | ths | vs->password = NULL;
|
1968 | 24236869 | bellard | |
1969 | 24236869 | bellard | vs->lsock = -1;
|
1970 | 24236869 | bellard | vs->csock = -1;
|
1971 | 24236869 | bellard | vs->depth = 4;
|
1972 | 564c337e | bellard | vs->last_x = -1;
|
1973 | 564c337e | bellard | vs->last_y = -1;
|
1974 | 24236869 | bellard | |
1975 | 24236869 | bellard | vs->ds = ds; |
1976 | 24236869 | bellard | |
1977 | 24236869 | bellard | if (!keyboard_layout)
|
1978 | 24236869 | bellard | keyboard_layout = "en-us";
|
1979 | 24236869 | bellard | |
1980 | 24236869 | bellard | vs->kbd_layout = init_keyboard_layout(keyboard_layout); |
1981 | 24236869 | bellard | if (!vs->kbd_layout)
|
1982 | 24236869 | bellard | exit(1);
|
1983 | 24236869 | bellard | |
1984 | a0ecfb73 | balrog | vs->timer = qemu_new_timer(rt_clock, vnc_update_client, vs); |
1985 | a0ecfb73 | balrog | |
1986 | 73fc9742 | ths | vs->ds->data = NULL;
|
1987 | 73fc9742 | ths | vs->ds->dpy_update = vnc_dpy_update; |
1988 | 73fc9742 | ths | vs->ds->dpy_resize = vnc_dpy_resize; |
1989 | a0ecfb73 | balrog | vs->ds->dpy_refresh = NULL;
|
1990 | 73fc9742 | ths | |
1991 | 73fc9742 | ths | vnc_dpy_resize(vs->ds, 640, 400); |
1992 | 71cab5ca | ths | } |
1993 | 71cab5ca | ths | |
1994 | 6f43024c | ths | #if CONFIG_VNC_TLS
|
1995 | 6f43024c | ths | static int vnc_set_x509_credential(VncState *vs, |
1996 | 6f43024c | ths | const char *certdir, |
1997 | 6f43024c | ths | const char *filename, |
1998 | 6f43024c | ths | char **cred,
|
1999 | 6f43024c | ths | int ignoreMissing)
|
2000 | 6f43024c | ths | { |
2001 | 6f43024c | ths | struct stat sb;
|
2002 | 6f43024c | ths | |
2003 | 6f43024c | ths | if (*cred) {
|
2004 | 6f43024c | ths | qemu_free(*cred); |
2005 | 6f43024c | ths | *cred = NULL;
|
2006 | 6f43024c | ths | } |
2007 | 6f43024c | ths | |
2008 | 6f43024c | ths | if (!(*cred = qemu_malloc(strlen(certdir) + strlen(filename) + 2))) |
2009 | 6f43024c | ths | return -1; |
2010 | 6f43024c | ths | |
2011 | 6f43024c | ths | strcpy(*cred, certdir); |
2012 | 6f43024c | ths | strcat(*cred, "/");
|
2013 | 6f43024c | ths | strcat(*cred, filename); |
2014 | 6f43024c | ths | |
2015 | 6f43024c | ths | VNC_DEBUG("Check %s\n", *cred);
|
2016 | 6f43024c | ths | if (stat(*cred, &sb) < 0) { |
2017 | 6f43024c | ths | qemu_free(*cred); |
2018 | 6f43024c | ths | *cred = NULL;
|
2019 | 6f43024c | ths | if (ignoreMissing && errno == ENOENT)
|
2020 | 6f43024c | ths | return 0; |
2021 | 6f43024c | ths | return -1; |
2022 | 6f43024c | ths | } |
2023 | 6f43024c | ths | |
2024 | 6f43024c | ths | return 0; |
2025 | 6f43024c | ths | } |
2026 | 6f43024c | ths | |
2027 | 6f43024c | ths | static int vnc_set_x509_credential_dir(VncState *vs, |
2028 | 6f43024c | ths | const char *certdir) |
2029 | 6f43024c | ths | { |
2030 | 6f43024c | ths | if (vnc_set_x509_credential(vs, certdir, X509_CA_CERT_FILE, &vs->x509cacert, 0) < 0) |
2031 | 6f43024c | ths | goto cleanup;
|
2032 | 6f43024c | ths | if (vnc_set_x509_credential(vs, certdir, X509_CA_CRL_FILE, &vs->x509cacrl, 1) < 0) |
2033 | 6f43024c | ths | goto cleanup;
|
2034 | 6f43024c | ths | if (vnc_set_x509_credential(vs, certdir, X509_SERVER_CERT_FILE, &vs->x509cert, 0) < 0) |
2035 | 6f43024c | ths | goto cleanup;
|
2036 | 6f43024c | ths | if (vnc_set_x509_credential(vs, certdir, X509_SERVER_KEY_FILE, &vs->x509key, 0) < 0) |
2037 | 6f43024c | ths | goto cleanup;
|
2038 | 6f43024c | ths | |
2039 | 6f43024c | ths | return 0; |
2040 | 6f43024c | ths | |
2041 | 6f43024c | ths | cleanup:
|
2042 | 6f43024c | ths | qemu_free(vs->x509cacert); |
2043 | 6f43024c | ths | qemu_free(vs->x509cacrl); |
2044 | 6f43024c | ths | qemu_free(vs->x509cert); |
2045 | 6f43024c | ths | qemu_free(vs->x509key); |
2046 | 6f43024c | ths | vs->x509cacert = vs->x509cacrl = vs->x509cert = vs->x509key = NULL;
|
2047 | 6f43024c | ths | return -1; |
2048 | 6f43024c | ths | } |
2049 | 6f43024c | ths | #endif /* CONFIG_VNC_TLS */ |
2050 | 6f43024c | ths | |
2051 | 71cab5ca | ths | void vnc_display_close(DisplayState *ds)
|
2052 | 71cab5ca | ths | { |
2053 | e25a5822 | ths | VncState *vs = ds ? (VncState *)ds->opaque : vnc_state; |
2054 | 71cab5ca | ths | |
2055 | 71cab5ca | ths | if (vs->display) {
|
2056 | 71cab5ca | ths | qemu_free(vs->display); |
2057 | 71cab5ca | ths | vs->display = NULL;
|
2058 | 71cab5ca | ths | } |
2059 | 71cab5ca | ths | if (vs->lsock != -1) { |
2060 | 71cab5ca | ths | qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL); |
2061 | 71cab5ca | ths | close(vs->lsock); |
2062 | 71cab5ca | ths | vs->lsock = -1;
|
2063 | 71cab5ca | ths | } |
2064 | 71cab5ca | ths | if (vs->csock != -1) { |
2065 | 71cab5ca | ths | qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); |
2066 | 71cab5ca | ths | closesocket(vs->csock); |
2067 | 71cab5ca | ths | vs->csock = -1;
|
2068 | 71cab5ca | ths | buffer_reset(&vs->input); |
2069 | 71cab5ca | ths | buffer_reset(&vs->output); |
2070 | 71cab5ca | ths | vs->need_update = 0;
|
2071 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2072 | 8d5d2d4c | ths | if (vs->tls_session) {
|
2073 | 8d5d2d4c | ths | gnutls_deinit(vs->tls_session); |
2074 | 8d5d2d4c | ths | vs->tls_session = NULL;
|
2075 | 8d5d2d4c | ths | } |
2076 | 8d5d2d4c | ths | vs->wiremode = VNC_WIREMODE_CLEAR; |
2077 | 8d5d2d4c | ths | #endif /* CONFIG_VNC_TLS */ |
2078 | 71cab5ca | ths | } |
2079 | 70848515 | ths | vs->auth = VNC_AUTH_INVALID; |
2080 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2081 | 8d5d2d4c | ths | vs->subauth = VNC_AUTH_INVALID; |
2082 | 469b15c6 | ths | vs->x509verify = 0;
|
2083 | 8d5d2d4c | ths | #endif
|
2084 | 70848515 | ths | } |
2085 | 70848515 | ths | |
2086 | 70848515 | ths | int vnc_display_password(DisplayState *ds, const char *password) |
2087 | 70848515 | ths | { |
2088 | 70848515 | ths | VncState *vs = ds ? (VncState *)ds->opaque : vnc_state; |
2089 | 70848515 | ths | |
2090 | 70848515 | ths | if (vs->password) {
|
2091 | 70848515 | ths | qemu_free(vs->password); |
2092 | 70848515 | ths | vs->password = NULL;
|
2093 | 70848515 | ths | } |
2094 | 70848515 | ths | if (password && password[0]) { |
2095 | 70848515 | ths | if (!(vs->password = qemu_strdup(password)))
|
2096 | 70848515 | ths | return -1; |
2097 | 70848515 | ths | } |
2098 | 70848515 | ths | |
2099 | 70848515 | ths | return 0; |
2100 | 71cab5ca | ths | } |
2101 | 71cab5ca | ths | |
2102 | 70848515 | ths | int vnc_display_open(DisplayState *ds, const char *display) |
2103 | 71cab5ca | ths | { |
2104 | 71cab5ca | ths | struct sockaddr *addr;
|
2105 | 71cab5ca | ths | struct sockaddr_in iaddr;
|
2106 | 71cab5ca | ths | #ifndef _WIN32
|
2107 | 71cab5ca | ths | struct sockaddr_un uaddr;
|
2108 | ea01e5fd | balrog | const char *p; |
2109 | 71cab5ca | ths | #endif
|
2110 | 71cab5ca | ths | int reuse_addr, ret;
|
2111 | 71cab5ca | ths | socklen_t addrlen; |
2112 | e25a5822 | ths | VncState *vs = ds ? (VncState *)ds->opaque : vnc_state; |
2113 | 70848515 | ths | const char *options; |
2114 | 70848515 | ths | int password = 0; |
2115 | 3aa3eea3 | balrog | int reverse = 0; |
2116 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2117 | 3a702699 | ths | int tls = 0, x509 = 0; |
2118 | 8d5d2d4c | ths | #endif
|
2119 | 71cab5ca | ths | |
2120 | 71cab5ca | ths | vnc_display_close(ds); |
2121 | 70848515 | ths | if (strcmp(display, "none") == 0) |
2122 | 71cab5ca | ths | return 0; |
2123 | 24236869 | bellard | |
2124 | 70848515 | ths | if (!(vs->display = strdup(display)))
|
2125 | 71cab5ca | ths | return -1; |
2126 | 70848515 | ths | |
2127 | 70848515 | ths | options = display; |
2128 | 70848515 | ths | while ((options = strchr(options, ','))) { |
2129 | 70848515 | ths | options++; |
2130 | 469b15c6 | ths | if (strncmp(options, "password", 8) == 0) { |
2131 | 70848515 | ths | password = 1; /* Require password auth */ |
2132 | 3aa3eea3 | balrog | } else if (strncmp(options, "reverse", 7) == 0) { |
2133 | 3aa3eea3 | balrog | reverse = 1;
|
2134 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2135 | 469b15c6 | ths | } else if (strncmp(options, "tls", 3) == 0) { |
2136 | 8d5d2d4c | ths | tls = 1; /* Require TLS */ |
2137 | 469b15c6 | ths | } else if (strncmp(options, "x509", 4) == 0) { |
2138 | 6f43024c | ths | char *start, *end;
|
2139 | 3a702699 | ths | x509 = 1; /* Require x509 certificates */ |
2140 | 6f43024c | ths | if (strncmp(options, "x509verify", 10) == 0) |
2141 | 6f43024c | ths | vs->x509verify = 1; /* ...and verify client certs */ |
2142 | 6f43024c | ths | |
2143 | 6f43024c | ths | /* Now check for 'x509=/some/path' postfix
|
2144 | 6f43024c | ths | * and use that to setup x509 certificate/key paths */
|
2145 | 6f43024c | ths | start = strchr(options, '=');
|
2146 | 6f43024c | ths | end = strchr(options, ',');
|
2147 | 6f43024c | ths | if (start && (!end || (start < end))) {
|
2148 | 6f43024c | ths | int len = end ? end-(start+1) : strlen(start+1); |
2149 | 6f43024c | ths | char *path = qemu_malloc(len+1); |
2150 | 6f43024c | ths | strncpy(path, start+1, len);
|
2151 | 6f43024c | ths | path[len] = '\0';
|
2152 | 6f43024c | ths | VNC_DEBUG("Trying certificate path '%s'\n", path);
|
2153 | 6f43024c | ths | if (vnc_set_x509_credential_dir(vs, path) < 0) { |
2154 | 6f43024c | ths | fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path);
|
2155 | 6f43024c | ths | qemu_free(path); |
2156 | 6f43024c | ths | qemu_free(vs->display); |
2157 | 6f43024c | ths | vs->display = NULL;
|
2158 | 6f43024c | ths | return -1; |
2159 | 6f43024c | ths | } |
2160 | 6f43024c | ths | qemu_free(path); |
2161 | 6f43024c | ths | } else {
|
2162 | 6f43024c | ths | fprintf(stderr, "No certificate path provided\n");
|
2163 | 6f43024c | ths | qemu_free(vs->display); |
2164 | 6f43024c | ths | vs->display = NULL;
|
2165 | 6f43024c | ths | return -1; |
2166 | 6f43024c | ths | } |
2167 | 8d5d2d4c | ths | #endif
|
2168 | 469b15c6 | ths | } |
2169 | 70848515 | ths | } |
2170 | 70848515 | ths | |
2171 | 70848515 | ths | if (password) {
|
2172 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2173 | 8d5d2d4c | ths | if (tls) {
|
2174 | 8d5d2d4c | ths | vs->auth = VNC_AUTH_VENCRYPT; |
2175 | 3a702699 | ths | if (x509) {
|
2176 | 3a702699 | ths | VNC_DEBUG("Initializing VNC server with x509 password auth\n");
|
2177 | 3a702699 | ths | vs->subauth = VNC_AUTH_VENCRYPT_X509VNC; |
2178 | 3a702699 | ths | } else {
|
2179 | 3a702699 | ths | VNC_DEBUG("Initializing VNC server with TLS password auth\n");
|
2180 | 3a702699 | ths | vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC; |
2181 | 3a702699 | ths | } |
2182 | 8d5d2d4c | ths | } else {
|
2183 | 8d5d2d4c | ths | #endif
|
2184 | 8d5d2d4c | ths | VNC_DEBUG("Initializing VNC server with password auth\n");
|
2185 | 8d5d2d4c | ths | vs->auth = VNC_AUTH_VNC; |
2186 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2187 | 8d5d2d4c | ths | vs->subauth = VNC_AUTH_INVALID; |
2188 | 8d5d2d4c | ths | } |
2189 | 8d5d2d4c | ths | #endif
|
2190 | 70848515 | ths | } else {
|
2191 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2192 | 8d5d2d4c | ths | if (tls) {
|
2193 | 8d5d2d4c | ths | vs->auth = VNC_AUTH_VENCRYPT; |
2194 | 3a702699 | ths | if (x509) {
|
2195 | 3a702699 | ths | VNC_DEBUG("Initializing VNC server with x509 no auth\n");
|
2196 | 3a702699 | ths | vs->subauth = VNC_AUTH_VENCRYPT_X509NONE; |
2197 | 3a702699 | ths | } else {
|
2198 | 3a702699 | ths | VNC_DEBUG("Initializing VNC server with TLS no auth\n");
|
2199 | 3a702699 | ths | vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE; |
2200 | 3a702699 | ths | } |
2201 | 8d5d2d4c | ths | } else {
|
2202 | 8d5d2d4c | ths | #endif
|
2203 | 8d5d2d4c | ths | VNC_DEBUG("Initializing VNC server with no auth\n");
|
2204 | 8d5d2d4c | ths | vs->auth = VNC_AUTH_NONE; |
2205 | 8d5d2d4c | ths | #if CONFIG_VNC_TLS
|
2206 | 8d5d2d4c | ths | vs->subauth = VNC_AUTH_INVALID; |
2207 | 8d5d2d4c | ths | } |
2208 | 8d5d2d4c | ths | #endif
|
2209 | 70848515 | ths | } |
2210 | 73fc9742 | ths | #ifndef _WIN32
|
2211 | 70848515 | ths | if (strstart(display, "unix:", &p)) { |
2212 | 73fc9742 | ths | addr = (struct sockaddr *)&uaddr;
|
2213 | 73fc9742 | ths | addrlen = sizeof(uaddr);
|
2214 | 73fc9742 | ths | |
2215 | 73fc9742 | ths | vs->lsock = socket(PF_UNIX, SOCK_STREAM, 0);
|
2216 | 73fc9742 | ths | if (vs->lsock == -1) { |
2217 | 73fc9742 | ths | fprintf(stderr, "Could not create socket\n");
|
2218 | 71cab5ca | ths | free(vs->display); |
2219 | 71cab5ca | ths | vs->display = NULL;
|
2220 | 71cab5ca | ths | return -1; |
2221 | 73fc9742 | ths | } |
2222 | 73fc9742 | ths | |
2223 | 73fc9742 | ths | uaddr.sun_family = AF_UNIX; |
2224 | 73fc9742 | ths | memset(uaddr.sun_path, 0, 108); |
2225 | 73fc9742 | ths | snprintf(uaddr.sun_path, 108, "%s", p); |
2226 | 73fc9742 | ths | |
2227 | 3aa3eea3 | balrog | if (!reverse) {
|
2228 | 3aa3eea3 | balrog | unlink(uaddr.sun_path); |
2229 | 3aa3eea3 | balrog | } |
2230 | 73fc9742 | ths | } else
|
2231 | 73fc9742 | ths | #endif
|
2232 | 73fc9742 | ths | { |
2233 | 73fc9742 | ths | addr = (struct sockaddr *)&iaddr;
|
2234 | 73fc9742 | ths | addrlen = sizeof(iaddr);
|
2235 | 73fc9742 | ths | |
2236 | 70848515 | ths | if (parse_host_port(&iaddr, display) < 0) { |
2237 | 73fc9742 | ths | fprintf(stderr, "Could not parse VNC address\n");
|
2238 | 71cab5ca | ths | free(vs->display); |
2239 | 71cab5ca | ths | vs->display = NULL;
|
2240 | 71cab5ca | ths | return -1; |
2241 | 73fc9742 | ths | } |
2242 | 71cab5ca | ths | |
2243 | 3aa3eea3 | balrog | iaddr.sin_port = htons(ntohs(iaddr.sin_port) + (reverse ? 0 : 5900)); |
2244 | 73fc9742 | ths | |
2245 | 71cab5ca | ths | vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
|
2246 | 71cab5ca | ths | if (vs->lsock == -1) { |
2247 | 71cab5ca | ths | fprintf(stderr, "Could not create socket\n");
|
2248 | 71cab5ca | ths | free(vs->display); |
2249 | 71cab5ca | ths | vs->display = NULL;
|
2250 | 71cab5ca | ths | return -1; |
2251 | 71cab5ca | ths | } |
2252 | 71cab5ca | ths | |
2253 | 73fc9742 | ths | reuse_addr = 1;
|
2254 | 73fc9742 | ths | ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR, |
2255 | 73fc9742 | ths | (const char *)&reuse_addr, sizeof(reuse_addr)); |
2256 | 73fc9742 | ths | if (ret == -1) { |
2257 | 73fc9742 | ths | fprintf(stderr, "setsockopt() failed\n");
|
2258 | 71cab5ca | ths | close(vs->lsock); |
2259 | 71cab5ca | ths | vs->lsock = -1;
|
2260 | 71cab5ca | ths | free(vs->display); |
2261 | 71cab5ca | ths | vs->display = NULL;
|
2262 | 71cab5ca | ths | return -1; |
2263 | 73fc9742 | ths | } |
2264 | 24236869 | bellard | } |
2265 | 24236869 | bellard | |
2266 | 3aa3eea3 | balrog | if (reverse) {
|
2267 | 3aa3eea3 | balrog | if (connect(vs->lsock, addr, addrlen) == -1) { |
2268 | 3aa3eea3 | balrog | fprintf(stderr, "Connection to VNC client failed\n");
|
2269 | 3aa3eea3 | balrog | close(vs->lsock); |
2270 | 3aa3eea3 | balrog | vs->lsock = -1;
|
2271 | 3aa3eea3 | balrog | free(vs->display); |
2272 | 3aa3eea3 | balrog | vs->display = NULL;
|
2273 | 3aa3eea3 | balrog | return -1; |
2274 | 3aa3eea3 | balrog | } else {
|
2275 | 3aa3eea3 | balrog | vs->csock = vs->lsock; |
2276 | 3aa3eea3 | balrog | vs->lsock = -1;
|
2277 | 3aa3eea3 | balrog | vnc_connect(vs); |
2278 | 3aa3eea3 | balrog | return 0; |
2279 | 3aa3eea3 | balrog | } |
2280 | 3aa3eea3 | balrog | } |
2281 | 3aa3eea3 | balrog | |
2282 | 73fc9742 | ths | if (bind(vs->lsock, addr, addrlen) == -1) { |
2283 | 24236869 | bellard | fprintf(stderr, "bind() failed\n");
|
2284 | 71cab5ca | ths | close(vs->lsock); |
2285 | 71cab5ca | ths | vs->lsock = -1;
|
2286 | 71cab5ca | ths | free(vs->display); |
2287 | 71cab5ca | ths | vs->display = NULL;
|
2288 | 71cab5ca | ths | return -1; |
2289 | 24236869 | bellard | } |
2290 | 24236869 | bellard | |
2291 | 24236869 | bellard | if (listen(vs->lsock, 1) == -1) { |
2292 | 24236869 | bellard | fprintf(stderr, "listen() failed\n");
|
2293 | 71cab5ca | ths | close(vs->lsock); |
2294 | 71cab5ca | ths | vs->lsock = -1;
|
2295 | 71cab5ca | ths | free(vs->display); |
2296 | 71cab5ca | ths | vs->display = NULL;
|
2297 | 71cab5ca | ths | return -1; |
2298 | 24236869 | bellard | } |
2299 | 24236869 | bellard | |
2300 | 71cab5ca | ths | return qemu_set_fd_handler2(vs->lsock, vnc_listen_poll, vnc_listen_read, NULL, vs); |
2301 | 24236869 | bellard | } |