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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org, ;; |
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9 | ;; and Clevermouse. ;; |
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10 | ;; ;; |
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11 | ;; Based on code by mike.dld ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
18 | $Revision: 3514 $ |
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19 | |||
20 | struct SOCKET |
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21 | |||
22 | NextPtr dd ? ; pointer to next socket in list |
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23 | PrevPtr dd ? ; pointer to previous socket in list |
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24 | Number dd ? ; socket number |
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25 | |||
26 | mutex MUTEX |
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27 | |||
28 | PID dd ? ; process ID |
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29 | TID dd ? ; thread ID |
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30 | Domain dd ? ; INET/LOCAL/.. |
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31 | Type dd ? ; RAW/STREAM/DGRAP |
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32 | Protocol dd ? ; ICMP/IPv4/ARP/TCP/UDP |
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33 | errorcode dd ? |
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34 | device dd ? ; driver pointer, socket pointer if it's an LOCAL socket |
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35 | |||
36 | options dd ? |
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37 | state dd ? |
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38 | backlog dw ? ; how many incoming connections that can be queued |
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39 | |||
40 | snd_proc dd ? |
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41 | rcv_proc dd ? |
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4030 | hidnplayr | 42 | connect_proc dd ? |
3545 | hidnplayr | 43 | |
44 | ends |
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45 | |||
46 | struct IP_SOCKET SOCKET |
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47 | |||
48 | LocalIP rd 4 ; network byte order |
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49 | RemoteIP rd 4 ; network byte order |
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50 | |||
51 | ends |
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52 | |||
53 | struct TCP_SOCKET IP_SOCKET |
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54 | |||
55 | LocalPort dw ? ; network byte order |
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56 | RemotePort dw ? ; network byte order |
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57 | |||
58 | t_state dd ? ; TCB state |
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59 | t_rxtshift db ? |
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60 | rb 3 ; align |
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61 | t_rxtcur dd ? |
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62 | t_dupacks dd ? |
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63 | t_maxseg dd ? |
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64 | t_force dd ? |
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65 | t_flags dd ? |
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66 | |||
67 | ;--------------- |
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68 | ; RFC783 page 21 |
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69 | |||
70 | ; send sequence |
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71 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
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72 | SND_NXT dd ? ; next send sequence number to use |
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73 | SND_UP dd ? ; urgent pointer |
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74 | SND_WL1 dd ? ; window minus one |
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75 | SND_WL2 dd ? ; |
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76 | ISS dd ? ; initial send sequence number |
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77 | SND_WND dd ? ; send window |
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78 | |||
79 | ; receive sequence |
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80 | RCV_WND dd ? ; receive window |
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81 | RCV_NXT dd ? ; next receive sequence number to use |
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82 | RCV_UP dd ? ; urgent pointer |
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83 | IRS dd ? ; initial receive sequence number |
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84 | |||
85 | ;--------------------- |
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86 | ; Additional variables |
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87 | |||
88 | ; receive variables |
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89 | RCV_ADV dd ? |
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90 | |||
91 | ; retransmit variables |
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92 | SND_MAX dd ? |
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93 | |||
94 | ; congestion control |
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95 | SND_CWND dd ? |
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96 | SND_SSTHRESH dd ? |
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97 | |||
98 | ;---------------------- |
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99 | ; Transmit timing stuff |
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100 | t_idle dd ? |
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101 | t_rtt dd ? |
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102 | t_rtseq dd ? |
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103 | t_srtt dd ? |
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104 | t_rttvar dd ? |
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105 | t_rttmin dd ? |
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106 | max_sndwnd dd ? |
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107 | |||
108 | ;----------------- |
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109 | ; Out-of-band data |
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110 | t_oobflags dd ? |
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111 | t_iobc dd ? |
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112 | t_softerror dd ? |
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113 | |||
114 | |||
115 | ;--------- |
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116 | ; RFC 1323 ; the order of next 4 elements may not change |
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117 | |||
118 | SND_SCALE db ? |
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119 | RCV_SCALE db ? |
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120 | requested_s_scale db ? |
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121 | request_r_scale db ? |
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122 | |||
123 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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124 | ts_recent_age dd ? |
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125 | last_ack_sent dd ? |
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126 | |||
127 | |||
128 | ;------- |
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129 | ; Timers |
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3600 | hidnplayr | 130 | timer_flags dd ? |
3545 | hidnplayr | 131 | timer_retransmission dd ? ; rexmt |
132 | timer_persist dd ? |
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133 | timer_keepalive dd ? ; keepalive/syn timeout |
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134 | timer_timed_wait dd ? ; also used as 2msl timer |
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4021 | hidnplayr | 135 | timer_connect dd ? |
3545 | hidnplayr | 136 | |
137 | ; extra |
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138 | |||
139 | ts_ecr dd ? ; timestamp echo reply |
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140 | ts_val dd ? |
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141 | |||
142 | seg_next dd ? ; re-assembly queue |
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143 | |||
144 | temp_bits db ? |
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145 | rb 3 ; align |
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146 | |||
4021 | hidnplayr | 147 | |
3545 | hidnplayr | 148 | ends |
149 | |||
150 | struct UDP_SOCKET IP_SOCKET |
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151 | |||
152 | LocalPort dw ? ; network byte order |
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153 | RemotePort dw ? ; network byte order |
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154 | |||
155 | ends |
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156 | |||
157 | |||
158 | struct ICMP_SOCKET IP_SOCKET |
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159 | |||
160 | Identifier dw ? |
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161 | |||
162 | ends |
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163 | |||
164 | |||
165 | struct RING_BUFFER |
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166 | |||
167 | mutex MUTEX |
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168 | start_ptr dd ? ; Pointer to start of buffer |
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169 | end_ptr dd ? ; pointer to end of buffer |
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170 | read_ptr dd ? ; Read pointer |
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171 | write_ptr dd ? ; Write pointer |
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172 | size dd ? ; Number of bytes buffered |
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173 | |||
174 | ends |
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175 | |||
176 | struct STREAM_SOCKET TCP_SOCKET |
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177 | |||
178 | rcv RING_BUFFER |
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179 | snd RING_BUFFER |
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180 | |||
181 | ends |
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182 | |||
183 | struct socket_queue_entry |
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184 | |||
185 | data_ptr dd ? |
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186 | buf_ptr dd ? |
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187 | data_size dd ? |
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188 | |||
189 | ends |
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190 | |||
191 | |||
192 | SOCKETBUFFSIZE = 4096 ; in bytes |
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193 | |||
194 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
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195 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
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196 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
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197 | |||
198 | uglobal |
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3698 | hidnplayr | 199 | align 4 |
200 | |||
3545 | hidnplayr | 201 | net_sockets rd 4 |
202 | last_socket_num dd ? |
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203 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
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204 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 205 | socket_mutex MUTEX |
3698 | hidnplayr | 206 | |
3545 | hidnplayr | 207 | endg |
208 | |||
209 | |||
210 | ;----------------------------------------------------------------- |
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211 | ; |
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212 | ; SOCKET_init |
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213 | ; |
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214 | ;----------------------------------------------------------------- |
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215 | macro SOCKET_init { |
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216 | |||
217 | xor eax, eax |
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218 | mov edi, net_sockets |
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219 | mov ecx, 5 |
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3711 | clevermous | 220 | rep stosd |
3545 | hidnplayr | 221 | |
222 | @@: |
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223 | pseudo_random eax |
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3600 | hidnplayr | 224 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 225 | jb @r |
3600 | hidnplayr | 226 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 227 | ja @r |
228 | xchg al, ah |
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229 | mov [last_UDP_port], ax |
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230 | |||
231 | @@: |
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232 | pseudo_random eax |
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3600 | hidnplayr | 233 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 234 | jb @r |
3600 | hidnplayr | 235 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 236 | ja @r |
237 | xchg al, ah |
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238 | mov [last_TCP_port], ax |
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239 | |||
3647 | hidnplayr | 240 | mov ecx, socket_mutex |
241 | call mutex_init |
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242 | |||
3545 | hidnplayr | 243 | } |
244 | |||
245 | ;----------------------------------------------------------------- |
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246 | ; |
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247 | ; Socket API (function 74) |
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248 | ; |
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249 | ;----------------------------------------------------------------- |
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250 | align 4 |
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251 | sys_socket: |
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252 | |||
3673 | hidnplayr | 253 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 254 | |
3545 | hidnplayr | 255 | cmp ebx, 255 |
256 | jz SOCKET_debug |
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257 | |||
258 | cmp ebx, .number |
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3658 | hidnplayr | 259 | ja .error |
3545 | hidnplayr | 260 | jmp dword [.table + 4*ebx] |
261 | |||
262 | .table: |
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263 | dd SOCKET_open ; 0 |
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264 | dd SOCKET_close ; 1 |
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265 | dd SOCKET_bind ; 2 |
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266 | dd SOCKET_listen ; 3 |
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267 | dd SOCKET_connect ; 4 |
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268 | dd SOCKET_accept ; 5 |
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269 | dd SOCKET_send ; 6 |
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270 | dd SOCKET_receive ; 7 |
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271 | dd SOCKET_set_opt ; 8 |
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272 | dd SOCKET_get_opt ; 9 |
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273 | dd SOCKET_pair ; 10 |
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274 | .number = ($ - .table) / 4 - 1 |
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275 | |||
3658 | hidnplayr | 276 | .error: |
277 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 278 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 279 | |
280 | ret |
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281 | |||
282 | ;----------------------------------------------------------------- |
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283 | ; |
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284 | ; SOCKET_open |
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285 | ; |
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286 | ; IN: domain in ecx |
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287 | ; type in edx |
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288 | ; protocol in esi |
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289 | ; OUT: eax is socket num, -1 on error |
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290 | ; |
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291 | ;----------------------------------------------------------------- |
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292 | align 4 |
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293 | SOCKET_open: |
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294 | |||
3556 | hidnplayr | 295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 296 | |
297 | push ecx edx esi |
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298 | call SOCKET_alloc |
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299 | pop esi edx ecx |
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3658 | hidnplayr | 300 | jz .nobuffs |
3545 | hidnplayr | 301 | |
302 | mov [esp+32], edi ; return socketnumber |
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3556 | hidnplayr | 303 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 304 | |
3705 | hidnplayr | 305 | test edx, SO_NONBLOCK |
306 | jz @f |
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307 | or [eax + SOCKET.options], SO_NONBLOCK |
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308 | and edx, not SO_NONBLOCK |
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309 | @@: |
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3545 | hidnplayr | 310 | |
311 | mov [eax + SOCKET.Domain], ecx |
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312 | mov [eax + SOCKET.Type], edx |
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313 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 314 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 315 | |
316 | cmp ecx, AF_INET4 |
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317 | jne .no_inet4 |
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318 | |||
319 | cmp edx, SOCK_DGRAM |
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320 | je .udp |
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321 | |||
322 | cmp edx, SOCK_STREAM |
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323 | je .tcp |
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324 | |||
325 | cmp edx, SOCK_RAW |
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326 | je .raw |
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327 | |||
328 | .no_inet4: |
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329 | cmp ecx, AF_PPP |
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330 | jne .no_ppp |
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331 | |||
332 | cmp esi, PPP_PROTO_ETHERNET |
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333 | je .pppoe |
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334 | |||
335 | .no_ppp: |
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3658 | hidnplayr | 336 | .unsupported: |
337 | push eax |
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338 | call SOCKET_free |
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339 | pop eax |
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3673 | hidnplayr | 340 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 341 | mov dword[esp+32], -1 |
3545 | hidnplayr | 342 | ret |
343 | |||
3658 | hidnplayr | 344 | .nobuffs: |
3673 | hidnplayr | 345 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 346 | mov dword[esp+32], -1 |
347 | ret |
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348 | |||
3545 | hidnplayr | 349 | .raw: |
350 | test esi, esi ; IP_PROTO_IP |
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3658 | hidnplayr | 351 | jz .raw_ip |
3545 | hidnplayr | 352 | |
353 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 354 | je .raw_icmp |
3545 | hidnplayr | 355 | |
3658 | hidnplayr | 356 | jmp .unsupported |
3545 | hidnplayr | 357 | |
358 | align 4 |
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359 | .udp: |
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360 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
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361 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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362 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 363 | mov [eax + SOCKET.connect_proc], UDP_connect |
3545 | hidnplayr | 364 | ret |
365 | |||
366 | align 4 |
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367 | .tcp: |
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368 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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369 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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370 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
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4030 | hidnplayr | 371 | mov [eax + SOCKET.connect_proc], TCP_connect |
3545 | hidnplayr | 372 | |
373 | TCP_init_socket eax |
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374 | ret |
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375 | |||
376 | |||
377 | align 4 |
||
3658 | hidnplayr | 378 | .raw_ip: |
3545 | hidnplayr | 379 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
380 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 381 | mov [eax + SOCKET.connect_proc], IPv4_connect |
3545 | hidnplayr | 382 | ret |
383 | |||
384 | |||
385 | align 4 |
||
3658 | hidnplayr | 386 | .raw_icmp: |
3545 | hidnplayr | 387 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
388 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 389 | mov [eax + SOCKET.connect_proc], IPv4_connect |
3545 | hidnplayr | 390 | ret |
391 | |||
392 | align 4 |
||
393 | .pppoe: |
||
394 | push eax |
||
395 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
396 | pop eax |
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397 | |||
398 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
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399 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
400 | ret |
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401 | |||
402 | |||
403 | ;----------------------------------------------------------------- |
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404 | ; |
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405 | ; SOCKET_bind |
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406 | ; |
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407 | ; IN: socket number in ecx |
||
408 | ; pointer to sockaddr struct in edx |
||
409 | ; length of that struct in esi |
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410 | ; OUT: 0 on success |
||
411 | ; |
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412 | ;----------------------------------------------------------------- |
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413 | align 4 |
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414 | SOCKET_bind: |
||
415 | |||
3556 | hidnplayr | 416 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 417 | |
418 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 419 | jz .invalid |
3545 | hidnplayr | 420 | |
421 | cmp esi, 2 |
||
3658 | hidnplayr | 422 | jb .invalid |
3545 | hidnplayr | 423 | |
424 | cmp word [edx], AF_INET4 |
||
425 | je .af_inet4 |
||
426 | |||
427 | cmp word [edx], AF_LOCAL |
||
428 | je .af_local |
||
429 | |||
3658 | hidnplayr | 430 | .notsupp: |
3673 | hidnplayr | 431 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 432 | mov dword[esp+32], -1 |
433 | ret |
||
3545 | hidnplayr | 434 | |
3658 | hidnplayr | 435 | .invalid: |
3673 | hidnplayr | 436 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 437 | mov dword[esp+32], -1 |
438 | ret |
||
439 | |||
3545 | hidnplayr | 440 | .af_local: |
441 | ; TODO: write code here |
||
3658 | hidnplayr | 442 | mov dword[esp+32], 0 |
3545 | hidnplayr | 443 | ret |
444 | |||
445 | .af_inet4: |
||
446 | cmp esi, 6 |
||
3658 | hidnplayr | 447 | jb .invalid |
3545 | hidnplayr | 448 | |
449 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
450 | je .udp |
||
451 | |||
452 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
453 | je .tcp |
||
454 | |||
3658 | hidnplayr | 455 | jmp .notsupp |
3545 | hidnplayr | 456 | |
457 | .tcp: |
||
458 | .udp: |
||
3637 | hidnplayr | 459 | mov ebx, [edx + 4] ; First, fill in the IP |
3545 | hidnplayr | 460 | test ebx, ebx ; If IP is 0, use default |
461 | jnz @f |
||
3601 | hidnplayr | 462 | mov ebx, [IP_LIST + 4] ;;;;; FIXME !i!i!i |
3545 | hidnplayr | 463 | @@: |
464 | mov [eax + IP_SOCKET.LocalIP], ebx |
||
465 | |||
466 | mov bx, [edx + 2] ; Now fill in the local port if it's still available |
||
467 | call SOCKET_check_port |
||
3658 | hidnplayr | 468 | jz .addrinuse ; ZF is set by socket_check_port, on error |
3545 | hidnplayr | 469 | |
3556 | hidnplayr | 470 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 471 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
472 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
473 | |||
3658 | hidnplayr | 474 | mov dword[esp+32], 0 |
3545 | hidnplayr | 475 | ret |
476 | |||
3658 | hidnplayr | 477 | .addrinuse: |
478 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 479 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 480 | ret |
3545 | hidnplayr | 481 | |
482 | |||
483 | |||
3658 | hidnplayr | 484 | |
3545 | hidnplayr | 485 | ;----------------------------------------------------------------- |
486 | ; |
||
487 | ; SOCKET_connect |
||
488 | ; |
||
489 | ; IN: socket number in ecx |
||
490 | ; pointer to sockaddr struct in edx |
||
491 | ; length of that struct in esi |
||
492 | ; OUT: 0 on success |
||
493 | ; |
||
494 | ;----------------------------------------------------------------- |
||
495 | align 4 |
||
496 | SOCKET_connect: |
||
497 | |||
3556 | hidnplayr | 498 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 499 | |
500 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 501 | jz .invalid |
3545 | hidnplayr | 502 | |
503 | cmp esi, 8 |
||
3658 | hidnplayr | 504 | jb .invalid |
3545 | hidnplayr | 505 | |
4025 | hidnplayr | 506 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
507 | je .already |
||
508 | |||
509 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
510 | jnz .notsupp |
||
511 | |||
4030 | hidnplayr | 512 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 513 | |
4030 | hidnplayr | 514 | mov dword[esp+20], ebx |
515 | mov dword[esp+32], eax |
||
516 | ret |
||
517 | |||
518 | |||
3658 | hidnplayr | 519 | .notsupp: |
3673 | hidnplayr | 520 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 521 | mov dword[esp+32], -1 |
522 | ret |
||
3545 | hidnplayr | 523 | |
3658 | hidnplayr | 524 | .invalid: |
3673 | hidnplayr | 525 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 526 | mov dword[esp+32], -1 |
527 | ret |
||
528 | |||
4025 | hidnplayr | 529 | .already: |
530 | mov dword[esp+20], EALREADY |
||
531 | mov dword[esp+32], -1 |
||
532 | ret |
||
533 | |||
534 | |||
4030 | hidnplayr | 535 | connect_notsupp: |
536 | xor eax, eax |
||
537 | dec eax |
||
538 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 539 | ret |
540 | |||
4025 | hidnplayr | 541 | |
3545 | hidnplayr | 542 | ;----------------------------------------------------------------- |
543 | ; |
||
544 | ; SOCKET_listen |
||
545 | ; |
||
546 | ; IN: socket number in ecx |
||
547 | ; backlog in edx |
||
548 | ; OUT: eax is socket num, -1 on error |
||
549 | ; |
||
550 | ;----------------------------------------------------------------- |
||
551 | align 4 |
||
552 | SOCKET_listen: |
||
553 | |||
3556 | hidnplayr | 554 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 555 | |
556 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 557 | jz .invalid |
3545 | hidnplayr | 558 | |
559 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 560 | jne .notsupp |
3545 | hidnplayr | 561 | |
562 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 563 | jne .invalid |
3545 | hidnplayr | 564 | |
565 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 566 | je .already |
3545 | hidnplayr | 567 | |
568 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
569 | jne @f |
||
3601 | hidnplayr | 570 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 571 | pop [eax + IP_SOCKET.LocalIP] |
572 | @@: |
||
573 | |||
574 | cmp edx, MAX_backlog |
||
575 | jbe @f |
||
576 | mov edx, MAX_backlog |
||
577 | @@: |
||
578 | |||
579 | mov [eax + SOCKET.backlog], dx |
||
580 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
581 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
582 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
583 | |||
584 | push eax |
||
585 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
586 | pop eax |
||
587 | |||
3658 | hidnplayr | 588 | mov dword[esp+32], 0 |
589 | ret |
||
3545 | hidnplayr | 590 | |
3658 | hidnplayr | 591 | .notsupp: |
3673 | hidnplayr | 592 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 593 | mov dword[esp+32], -1 |
3545 | hidnplayr | 594 | ret |
595 | |||
3658 | hidnplayr | 596 | .invalid: |
3673 | hidnplayr | 597 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 598 | mov dword[esp+32], -1 |
599 | ret |
||
3545 | hidnplayr | 600 | |
3658 | hidnplayr | 601 | .already: |
3673 | hidnplayr | 602 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 603 | mov dword[esp+32], -1 |
604 | ret |
||
605 | |||
606 | |||
3545 | hidnplayr | 607 | ;----------------------------------------------------------------- |
608 | ; |
||
609 | ; SOCKET_accept |
||
610 | ; |
||
611 | ; IN: socket number in ecx |
||
612 | ; addr in edx |
||
613 | ; addrlen in esi |
||
614 | ; OUT: eax is socket num, -1 on error |
||
615 | ; |
||
616 | ;----------------------------------------------------------------- |
||
617 | align 4 |
||
618 | SOCKET_accept: |
||
619 | |||
3556 | hidnplayr | 620 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 621 | |
622 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 623 | jz .invalid |
3545 | hidnplayr | 624 | |
625 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 626 | jz .invalid |
3545 | hidnplayr | 627 | |
628 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 629 | jne .notsupp |
3545 | hidnplayr | 630 | |
631 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 632 | jne .invalid |
3545 | hidnplayr | 633 | |
634 | .loop: |
||
635 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
636 | |||
637 | ; Ok, we got a socket ptr |
||
638 | mov eax, [esi] |
||
639 | |||
640 | ; Change thread ID to that of the current thread |
||
641 | mov ebx, [TASK_BASE] |
||
642 | mov ebx, [ebx + TASKDATA.pid] |
||
643 | mov [eax + SOCKET.TID], ebx |
||
644 | |||
3817 | hidnplayr | 645 | ; Convert it to a socket number |
646 | call SOCKET_ptr_to_num |
||
647 | jz .invalid ; FIXME ? |
||
648 | |||
3545 | hidnplayr | 649 | ; and return it to caller |
650 | mov [esp+32], eax |
||
651 | ret |
||
652 | |||
653 | .block: |
||
654 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 655 | jnz .wouldblock |
3545 | hidnplayr | 656 | |
657 | call SOCKET_block |
||
658 | jmp .loop |
||
659 | |||
3658 | hidnplayr | 660 | .wouldblock: |
3673 | hidnplayr | 661 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 662 | mov dword[esp+32], -1 |
663 | ret |
||
664 | |||
665 | .invalid: |
||
3673 | hidnplayr | 666 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 667 | mov dword[esp+32], -1 |
668 | ret |
||
669 | |||
670 | .notsupp: |
||
3673 | hidnplayr | 671 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 672 | mov dword[esp+32], -1 |
673 | ret |
||
674 | |||
3545 | hidnplayr | 675 | ;----------------------------------------------------------------- |
676 | ; |
||
677 | ; SOCKET_close |
||
678 | ; |
||
679 | ; IN: socket number in ecx |
||
680 | ; OUT: eax is socket num, -1 on error |
||
681 | ; |
||
682 | ;----------------------------------------------------------------- |
||
683 | align 4 |
||
684 | SOCKET_close: |
||
685 | |||
3556 | hidnplayr | 686 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 687 | |
688 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 689 | jz .invalid |
3545 | hidnplayr | 690 | |
3658 | hidnplayr | 691 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 692 | |
693 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
694 | |||
695 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
696 | jz @f |
||
697 | call SOCKET_notify.unblock ; Unblock it. |
||
698 | @@: |
||
699 | |||
700 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
701 | jne .free |
||
702 | |||
703 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
704 | je .tcp |
||
705 | |||
706 | .free: |
||
707 | call SOCKET_free |
||
708 | ret |
||
709 | |||
710 | .tcp: |
||
711 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
||
712 | jb .free |
||
713 | |||
714 | call TCP_usrclosed |
||
715 | call TCP_output ;;;; Fixme: is this nescessary?? |
||
3646 | hidnplayr | 716 | call SOCKET_free |
3545 | hidnplayr | 717 | |
718 | ret |
||
719 | |||
720 | |||
3658 | hidnplayr | 721 | .invalid: |
3673 | hidnplayr | 722 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 723 | mov dword[esp+32], -1 |
724 | ret |
||
725 | |||
726 | |||
3545 | hidnplayr | 727 | ;----------------------------------------------------------------- |
728 | ; |
||
729 | ; SOCKET_receive |
||
730 | ; |
||
731 | ; IN: socket number in ecx |
||
732 | ; addr to buffer in edx |
||
733 | ; length of buffer in esi |
||
734 | ; flags in edi |
||
735 | ; OUT: eax is number of bytes copied, -1 on error |
||
736 | ; |
||
737 | ;----------------------------------------------------------------- |
||
738 | align 4 |
||
739 | SOCKET_receive: |
||
740 | |||
3556 | hidnplayr | 741 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 742 | |
743 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 744 | jz .invalid |
3545 | hidnplayr | 745 | |
3704 | hidnplayr | 746 | .loop: |
747 | push edi |
||
3565 | hidnplayr | 748 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 749 | pop edi |
3545 | hidnplayr | 750 | |
3704 | hidnplayr | 751 | cmp ebx, EWOULDBLOCK |
752 | jne .return |
||
753 | |||
754 | test edi, MSG_DONTWAIT |
||
755 | jnz .return_err |
||
756 | |||
3737 | hidnplayr | 757 | test [eax + SOCKET.state], SS_CANTRCVMORE |
758 | jnz .return_err |
||
759 | |||
3704 | hidnplayr | 760 | ; test [eax + SOCKET.options], SO_NONBLOCK |
761 | ; jnz .return_err |
||
762 | |||
763 | call SOCKET_block |
||
764 | jmp .loop |
||
765 | |||
766 | |||
767 | .invalid: |
||
768 | push EINVAL |
||
769 | pop ebx |
||
770 | .return_err: |
||
771 | mov eax, -1 |
||
772 | .return: |
||
3673 | hidnplayr | 773 | mov [esp+20], ebx |
3565 | hidnplayr | 774 | mov [esp+32], eax |
775 | ret |
||
3545 | hidnplayr | 776 | |
3565 | hidnplayr | 777 | |
3658 | hidnplayr | 778 | |
3704 | hidnplayr | 779 | |
780 | |||
3545 | hidnplayr | 781 | align 4 |
782 | SOCKET_receive_dgram: |
||
3704 | hidnplayr | 783 | |
3556 | hidnplayr | 784 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 785 | |
3704 | hidnplayr | 786 | mov ebx, esi ; bufferlength |
3545 | hidnplayr | 787 | |
3704 | hidnplayr | 788 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 789 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 790 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 791 | |
3704 | hidnplayr | 792 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 793 | ja .too_small |
794 | |||
3565 | hidnplayr | 795 | push ecx |
3545 | hidnplayr | 796 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
797 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 798 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 799 | |
3704 | hidnplayr | 800 | ; copy the data from kernel buffer to application buffer |
801 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 802 | shr ecx, 1 |
803 | jnc .nb |
||
804 | movsb |
||
805 | .nb: |
||
806 | shr ecx, 1 |
||
807 | jnc .nw |
||
808 | movsw |
||
809 | .nw: |
||
810 | test ecx, ecx |
||
811 | jz .nd |
||
3711 | clevermous | 812 | rep movsd |
3545 | hidnplayr | 813 | .nd: |
814 | |||
3861 | hidnplayr | 815 | call NET_packet_free |
3704 | hidnplayr | 816 | pop eax ; return number of bytes copied to application |
817 | xor ebx, ebx |
||
3545 | hidnplayr | 818 | ret |
819 | |||
820 | .too_small: |
||
3565 | hidnplayr | 821 | mov eax, -1 |
3704 | hidnplayr | 822 | push EMSGSIZE |
823 | pop ebx |
||
3565 | hidnplayr | 824 | ret |
3545 | hidnplayr | 825 | |
3658 | hidnplayr | 826 | .wouldblock: |
3704 | hidnplayr | 827 | push EWOULDBLOCK |
828 | pop ebx |
||
3658 | hidnplayr | 829 | ret |
3545 | hidnplayr | 830 | |
3658 | hidnplayr | 831 | |
3704 | hidnplayr | 832 | |
3545 | hidnplayr | 833 | align 4 |
834 | SOCKET_receive_local: |
||
835 | |||
836 | ; does this socket have a PID yet? |
||
837 | cmp [eax + SOCKET.PID], 0 |
||
838 | jne @f |
||
839 | |||
840 | ; Change PID to that of current process |
||
841 | mov ebx, [TASK_BASE] |
||
842 | mov ebx, [ebx + TASKDATA.pid] |
||
843 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 844 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 845 | @@: |
846 | |||
847 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
848 | |||
3704 | hidnplayr | 849 | ; ... continue to SOCKET_receive_stream |
850 | |||
3545 | hidnplayr | 851 | align 4 |
852 | SOCKET_receive_stream: |
||
853 | |||
3556 | hidnplayr | 854 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 855 | |
3704 | hidnplayr | 856 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
857 | je .wouldblock |
||
858 | |||
859 | test edi, MSG_PEEK |
||
860 | jnz .peek |
||
861 | |||
3545 | hidnplayr | 862 | mov ecx, esi |
863 | mov edi, edx |
||
864 | xor edx, edx |
||
865 | |||
866 | add eax, STREAM_SOCKET.rcv |
||
3704 | hidnplayr | 867 | call SOCKET_ring_read ; copy data from kernel buffer to application buffer |
868 | call SOCKET_ring_free ; free read memory |
||
3545 | hidnplayr | 869 | |
3704 | hidnplayr | 870 | mov eax, ecx ; return number of bytes copied |
871 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 872 | ret |
873 | |||
3704 | hidnplayr | 874 | .wouldblock: |
875 | push EWOULDBLOCK |
||
876 | pop ebx |
||
877 | ret |
||
878 | |||
3545 | hidnplayr | 879 | .peek: |
3565 | hidnplayr | 880 | mov eax, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 881 | xor ebx, ebx |
3545 | hidnplayr | 882 | ret |
883 | |||
884 | |||
885 | ;----------------------------------------------------------------- |
||
886 | ; |
||
887 | ; SOCKET_send |
||
888 | ; |
||
889 | ; |
||
890 | ; IN: socket number in ecx |
||
891 | ; pointer to data in edx |
||
892 | ; datalength in esi |
||
893 | ; flags in edi |
||
894 | ; OUT: -1 on error |
||
895 | ; |
||
896 | ;----------------------------------------------------------------- |
||
897 | align 4 |
||
898 | SOCKET_send: |
||
899 | |||
3556 | hidnplayr | 900 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 901 | |
902 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 903 | jz .invalid |
3545 | hidnplayr | 904 | |
905 | mov ecx, esi |
||
906 | mov esi, edx |
||
907 | |||
908 | jmp [eax + SOCKET.snd_proc] |
||
909 | |||
3658 | hidnplayr | 910 | .invalid: |
3673 | hidnplayr | 911 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 912 | mov dword[esp+32], -1 |
913 | ret |
||
3545 | hidnplayr | 914 | |
3658 | hidnplayr | 915 | |
3545 | hidnplayr | 916 | align 4 |
917 | SOCKET_send_udp: |
||
918 | |||
3556 | hidnplayr | 919 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 920 | |
921 | mov [esp+32], ecx |
||
922 | call UDP_output |
||
923 | cmp eax, -1 |
||
3658 | hidnplayr | 924 | je .error |
3545 | hidnplayr | 925 | ret |
926 | |||
3658 | hidnplayr | 927 | .error: |
928 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 929 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 930 | ret |
3545 | hidnplayr | 931 | |
3658 | hidnplayr | 932 | |
3545 | hidnplayr | 933 | align 4 |
934 | SOCKET_send_tcp: |
||
935 | |||
3556 | hidnplayr | 936 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 937 | |
938 | push eax |
||
939 | add eax, STREAM_SOCKET.snd |
||
940 | call SOCKET_ring_write |
||
941 | pop eax |
||
942 | |||
943 | mov [esp+32], ecx |
||
3658 | hidnplayr | 944 | mov [eax + SOCKET.errorcode], 0 |
945 | push eax |
||
946 | call TCP_output ; FIXME: this doesnt look pretty, does it? |
||
947 | pop eax |
||
948 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 949 | mov [esp+20], eax |
3545 | hidnplayr | 950 | ret |
951 | |||
952 | |||
953 | align 4 |
||
954 | SOCKET_send_ip: |
||
955 | |||
3556 | hidnplayr | 956 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 957 | |
958 | mov [esp+32], ecx |
||
3658 | hidnplayr | 959 | call IPv4_output_raw ; FIXME: IPv4_output_raw should return error codes! |
3545 | hidnplayr | 960 | cmp eax, -1 |
3658 | hidnplayr | 961 | je .error |
3545 | hidnplayr | 962 | ret |
963 | |||
3658 | hidnplayr | 964 | .error: |
965 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 966 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 967 | ret |
3545 | hidnplayr | 968 | |
3658 | hidnplayr | 969 | |
3545 | hidnplayr | 970 | align 4 |
971 | SOCKET_send_icmp: |
||
972 | |||
3556 | hidnplayr | 973 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 974 | |
975 | mov [esp+32], ecx |
||
3658 | hidnplayr | 976 | call ICMP_output_raw ; FIXME: errorcodes |
3545 | hidnplayr | 977 | cmp eax, -1 |
3658 | hidnplayr | 978 | je .error |
3545 | hidnplayr | 979 | ret |
980 | |||
3658 | hidnplayr | 981 | .error: |
982 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 983 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 984 | ret |
3545 | hidnplayr | 985 | |
3658 | hidnplayr | 986 | |
3545 | hidnplayr | 987 | align 4 |
988 | SOCKET_send_pppoe: |
||
989 | |||
3556 | hidnplayr | 990 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 991 | |
992 | mov [esp+32], ecx |
||
993 | mov ebx, [eax + SOCKET.device] |
||
994 | |||
3658 | hidnplayr | 995 | call PPPoE_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 996 | cmp eax, -1 |
3658 | hidnplayr | 997 | je .error |
3545 | hidnplayr | 998 | ret |
999 | |||
3658 | hidnplayr | 1000 | .error: |
1001 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1002 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1003 | ret |
3545 | hidnplayr | 1004 | |
1005 | |||
3658 | hidnplayr | 1006 | |
3545 | hidnplayr | 1007 | align 4 |
1008 | SOCKET_send_local: |
||
1009 | |||
1010 | ; does this socket have a PID yet? |
||
1011 | cmp [eax + SOCKET.PID], 0 |
||
1012 | jne @f |
||
1013 | |||
1014 | ; Change PID to that of current process |
||
1015 | mov ebx, [TASK_BASE] |
||
1016 | mov ebx, [ebx + TASKDATA.pid] |
||
1017 | mov [eax + SOCKET.PID], ebx |
||
1018 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1019 | @@: |
||
1020 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1021 | |||
1022 | align 4 |
||
1023 | SOCKET_send_local_: |
||
1024 | |||
3556 | hidnplayr | 1025 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1026 | |
1027 | ; get the other side's socket and check if it still exists |
||
1028 | mov eax, [eax + SOCKET.device] |
||
1029 | call SOCKET_check |
||
3658 | hidnplayr | 1030 | jz .invalid |
3545 | hidnplayr | 1031 | |
1032 | ; allright, shove in the data! |
||
1033 | push eax |
||
1034 | add eax, STREAM_SOCKET.rcv |
||
1035 | call SOCKET_ring_write |
||
1036 | pop eax |
||
1037 | |||
1038 | ; return the number of written bytes (or errorcode) to application |
||
1039 | mov [esp+32], ecx |
||
1040 | |||
1041 | ; and notify the other end |
||
1042 | call SOCKET_notify |
||
1043 | |||
1044 | ret |
||
1045 | |||
3658 | hidnplayr | 1046 | .invalid: |
1047 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1048 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1049 | ret |
3545 | hidnplayr | 1050 | |
3658 | hidnplayr | 1051 | |
3545 | hidnplayr | 1052 | ;----------------------------------------------------------------- |
1053 | ; |
||
1054 | ; SOCKET_get_options |
||
1055 | ; |
||
1056 | ; IN: ecx = socket number |
||
1057 | ; edx = pointer to the options: |
||
1058 | ; dd level, optname, optval, optlen |
||
1059 | ; OUT: -1 on error |
||
1060 | ; |
||
1061 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1062 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1063 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1064 | ; |
||
1065 | ;----------------------------------------------------------------- |
||
1066 | align 4 |
||
1067 | SOCKET_get_opt: |
||
1068 | |||
3556 | hidnplayr | 1069 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1070 | |
1071 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1072 | jz .invalid |
3545 | hidnplayr | 1073 | |
1074 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1075 | jne .invalid |
3545 | hidnplayr | 1076 | cmp dword [edx+4], -2 |
1077 | je @f |
||
1078 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1079 | jne .invalid |
3545 | hidnplayr | 1080 | @@: |
1081 | ; mov eax, [edx+12] |
||
1082 | ; test eax, eax |
||
1083 | ; jz .fail |
||
1084 | ; cmp dword [eax], 4 |
||
1085 | ; mov dword [eax], 4 |
||
1086 | ; jb .fail |
||
1087 | ; stdcall net_socket_num_to_addr, ecx |
||
1088 | ; test eax, eax |
||
1089 | ; jz .fail |
||
1090 | ; ; todo: check that eax is really TCP socket |
||
1091 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1092 | ; cmp dword [edx+4], -2 |
||
1093 | ; jz @f |
||
1094 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1095 | @@: |
||
1096 | mov eax, [edx+8] |
||
1097 | test eax, eax |
||
1098 | jz @f |
||
1099 | mov [eax], ecx |
||
1100 | @@: |
||
1101 | mov dword [esp+32], 0 |
||
1102 | ret |
||
1103 | |||
3658 | hidnplayr | 1104 | .invalid: |
1105 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1106 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1107 | ret |
3545 | hidnplayr | 1108 | |
1109 | |||
3658 | hidnplayr | 1110 | |
3545 | hidnplayr | 1111 | ;----------------------------------------------------------------- |
1112 | ; |
||
1113 | ; SOCKET_set_options |
||
1114 | ; |
||
1115 | ; IN: ecx = socket number |
||
1116 | ; edx = pointer to the options: |
||
1117 | ; dd level, optname, optlen, optval |
||
1118 | ; OUT: -1 on error |
||
1119 | ; |
||
1120 | ;----------------------------------------------------------------- |
||
1121 | align 4 |
||
1122 | SOCKET_set_opt: |
||
1123 | |||
3556 | hidnplayr | 1124 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1125 | |
1126 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1127 | jz .invalid |
3545 | hidnplayr | 1128 | |
1129 | cmp dword [edx], SOL_SOCKET |
||
3658 | hidnplayr | 1130 | jne .invalid |
3545 | hidnplayr | 1131 | |
1132 | cmp dword [edx+4], SO_BINDTODEVICE |
||
1133 | je .bind |
||
1134 | |||
3658 | hidnplayr | 1135 | .invalid: |
1136 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1137 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1138 | ret |
3545 | hidnplayr | 1139 | |
1140 | .bind: |
||
3658 | hidnplayr | 1141 | cmp dword[edx+8], 0 |
3545 | hidnplayr | 1142 | je .unbind |
1143 | |||
3658 | hidnplayr | 1144 | movzx edx, byte[edx + 9] |
3600 | hidnplayr | 1145 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1146 | ja .invalid |
3545 | hidnplayr | 1147 | |
1148 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1149 | test edx, edx |
||
3658 | hidnplayr | 1150 | jz .already |
3545 | hidnplayr | 1151 | mov [eax + SOCKET.device], edx |
1152 | |||
3556 | hidnplayr | 1153 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
3545 | hidnplayr | 1154 | |
3658 | hidnplayr | 1155 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1156 | ret |
1157 | |||
1158 | .unbind: |
||
1159 | mov [eax + SOCKET.device], 0 |
||
1160 | |||
3658 | hidnplayr | 1161 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1162 | ret |
1163 | |||
3658 | hidnplayr | 1164 | .already: |
3673 | hidnplayr | 1165 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1166 | mov dword[esp+32], -1 |
1167 | ret |
||
3545 | hidnplayr | 1168 | |
1169 | |||
3658 | hidnplayr | 1170 | |
1171 | |||
3545 | hidnplayr | 1172 | ;----------------------------------------------------------------- |
1173 | ; |
||
1174 | ; SOCKET_pair |
||
1175 | ; |
||
1176 | ; Allocates a pair of linked LOCAL domain sockets |
||
1177 | ; |
||
1178 | ; IN: / |
||
1179 | ; OUT: eax is socket1 num, -1 on error |
||
1180 | ; ebx is socket2 num |
||
1181 | ; |
||
1182 | ;----------------------------------------------------------------- |
||
1183 | align 4 |
||
1184 | SOCKET_pair: |
||
1185 | |||
3556 | hidnplayr | 1186 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1187 | |
1188 | call SOCKET_alloc |
||
3658 | hidnplayr | 1189 | jz .nomem1 |
3545 | hidnplayr | 1190 | mov [esp+32], edi ; application's eax |
1191 | |||
1192 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1193 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1194 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1195 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1196 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1197 | mov [eax + SOCKET.PID], 0 |
||
1198 | mov ebx, eax |
||
1199 | |||
1200 | call SOCKET_alloc |
||
3658 | hidnplayr | 1201 | jz .nomem2 |
3673 | hidnplayr | 1202 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1203 | |
1204 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1205 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1206 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1207 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1208 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1209 | mov [eax + SOCKET.PID], 0 |
||
1210 | |||
1211 | ; Link the two sockets to eachother |
||
1212 | mov [eax + SOCKET.device], ebx |
||
1213 | mov [ebx + SOCKET.device], eax |
||
1214 | |||
1215 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1216 | call SOCKET_ring_create |
||
1217 | |||
1218 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1219 | call SOCKET_ring_create |
||
1220 | pop eax |
||
1221 | |||
1222 | ret |
||
1223 | |||
3658 | hidnplayr | 1224 | .nomem2: |
3545 | hidnplayr | 1225 | mov eax, ebx |
1226 | call SOCKET_free |
||
3658 | hidnplayr | 1227 | .nomem1: |
1228 | mov dword[esp+32], -1 |
||
1229 | mov dword[esp+28], ENOMEM |
||
1230 | ret |
||
3545 | hidnplayr | 1231 | |
1232 | |||
1233 | |||
1234 | ;----------------------------------------------------------------- |
||
1235 | ; |
||
1236 | ; SOCKET_debug |
||
1237 | ; |
||
1238 | ; Copies socket variables to application buffer |
||
1239 | ; |
||
1240 | ; IN: ecx = socket number |
||
1241 | ; edx = pointer to buffer |
||
1242 | ; |
||
1243 | ; OUT: -1 on error |
||
1244 | ;----------------------------------------------------------------- |
||
1245 | align 4 |
||
1246 | SOCKET_debug: |
||
1247 | |||
3556 | hidnplayr | 1248 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1249 | |
1250 | mov edi, edx |
||
1251 | |||
1252 | test ecx, ecx |
||
1253 | jz .returnall |
||
1254 | |||
1255 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1256 | jz .invalid |
3545 | hidnplayr | 1257 | |
1258 | mov esi, eax |
||
1259 | mov ecx, SOCKETBUFFSIZE/4 |
||
3711 | clevermous | 1260 | rep movsd |
3545 | hidnplayr | 1261 | |
3658 | hidnplayr | 1262 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1263 | ret |
1264 | |||
1265 | .returnall: |
||
1266 | mov ebx, net_sockets |
||
1267 | .next_socket: |
||
1268 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1269 | test ebx, ebx |
||
1270 | jz .done |
||
1271 | mov eax, [ebx + SOCKET.Number] |
||
1272 | stosd |
||
1273 | jmp .next_socket |
||
1274 | .done: |
||
1275 | xor eax, eax |
||
1276 | stosd |
||
3658 | hidnplayr | 1277 | mov dword[esp+32], eax |
1278 | ret |
||
3545 | hidnplayr | 1279 | |
3658 | hidnplayr | 1280 | .invalid: |
1281 | mov dword[esp+32], -1 |
||
1282 | mov dword[esp+28], EINVAL |
||
3545 | hidnplayr | 1283 | ret |
1284 | |||
1285 | |||
1286 | ;----------------------------------------------------------------- |
||
1287 | ; |
||
1288 | ; SOCKET_find_port |
||
1289 | ; |
||
1290 | ; Fills in the local port number for TCP and UDP sockets |
||
1291 | ; This procedure always works because the number of sockets is |
||
1292 | ; limited to a smaller number then the number of possible ports |
||
1293 | ; |
||
1294 | ; IN: eax = socket pointer |
||
1295 | ; OUT: / |
||
1296 | ; |
||
1297 | ;----------------------------------------------------------------- |
||
1298 | align 4 |
||
1299 | SOCKET_find_port: |
||
1300 | |||
3556 | hidnplayr | 1301 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1302 | |
1303 | push ebx esi ecx |
||
1304 | |||
1305 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1306 | je .udp |
||
1307 | |||
1308 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1309 | je .tcp |
||
1310 | |||
1311 | pop ecx esi ebx |
||
1312 | ret |
||
1313 | |||
1314 | .udp: |
||
1315 | mov bx, [last_UDP_port] |
||
1316 | call .findit |
||
1317 | mov [last_UDP_port], bx |
||
1318 | |||
1319 | pop ecx esi ebx |
||
1320 | ret |
||
1321 | |||
1322 | .tcp: |
||
1323 | mov bx, [last_TCP_port] |
||
1324 | call .findit |
||
1325 | mov [last_TCP_port], bx |
||
1326 | |||
1327 | pop ecx esi ebx |
||
1328 | ret |
||
1329 | |||
1330 | |||
1331 | .restart: |
||
1332 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1333 | .findit: |
||
1334 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1335 | je .restart |
||
1336 | |||
1337 | add bh, 1 |
||
1338 | adc bl, 0 |
||
1339 | |||
1340 | call SOCKET_check_port |
||
1341 | jz .findit |
||
1342 | ret |
||
1343 | |||
1344 | |||
1345 | |||
1346 | ;----------------------------------------------------------------- |
||
1347 | ; |
||
1348 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1349 | ; |
||
1350 | ; Checks if a local port number is unused |
||
1351 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1352 | ; |
||
1353 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1354 | ; bx = proposed socket number (network byte order) |
||
1355 | ; |
||
1356 | ; OUT: ZF = set on error |
||
1357 | ; |
||
1358 | ;----------------------------------------------------------------- |
||
1359 | align 4 |
||
1360 | SOCKET_check_port: |
||
1361 | |||
3556 | hidnplayr | 1362 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1363 | |
3647 | hidnplayr | 1364 | pusha |
1365 | mov ecx, socket_mutex |
||
1366 | call mutex_lock |
||
1367 | popa |
||
1368 | |||
3545 | hidnplayr | 1369 | mov ecx, [eax + SOCKET.Protocol] |
1370 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1371 | mov esi, net_sockets |
||
1372 | |||
1373 | .next_socket: |
||
1374 | mov esi, [esi + SOCKET.NextPtr] |
||
1375 | or esi, esi |
||
1376 | jz .port_ok |
||
1377 | |||
1378 | cmp [esi + SOCKET.Protocol], ecx |
||
1379 | jne .next_socket |
||
1380 | |||
1381 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1382 | jne .next_socket |
||
1383 | |||
1384 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1385 | jne .next_socket |
||
1386 | |||
3647 | hidnplayr | 1387 | pusha |
1388 | mov ecx, socket_mutex |
||
1389 | call mutex_unlock |
||
1390 | popa |
||
1391 | |||
3556 | hidnplayr | 1392 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x already in use\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1393 | ret |
1394 | |||
1395 | .port_ok: |
||
3647 | hidnplayr | 1396 | pusha |
1397 | mov ecx, socket_mutex |
||
1398 | call mutex_unlock |
||
1399 | popa |
||
1400 | |||
3556 | hidnplayr | 1401 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1402 | mov [eax + UDP_SOCKET.LocalPort], bx |
1403 | or bx, bx ; clear the zero-flag |
||
1404 | ret |
||
1405 | |||
1406 | |||
1407 | |||
1408 | ;----------------------------------------------------------------- |
||
1409 | ; |
||
1410 | ; SOCKET_input |
||
1411 | ; |
||
1412 | ; Updates a (stateless) socket with received data |
||
1413 | ; |
||
1414 | ; Note: the mutex should already be set ! |
||
1415 | ; |
||
1416 | ; IN: eax = socket ptr |
||
1417 | ; ecx = data size |
||
1418 | ; esi = ptr to data |
||
1419 | ; [esp] = ptr to buf |
||
1420 | ; [esp + 4] = buf size |
||
1421 | ; |
||
1422 | ; OUT: / |
||
1423 | ; |
||
1424 | ;----------------------------------------------------------------- |
||
1425 | align 4 |
||
1426 | SOCKET_input: |
||
1427 | |||
3556 | hidnplayr | 1428 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1429 | |
1430 | mov [esp+4], ecx |
||
1431 | push esi |
||
1432 | mov esi, esp |
||
1433 | |||
1434 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1435 | |||
3556 | hidnplayr | 1436 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1437 | add esp, sizeof.socket_queue_entry |
1438 | |||
1439 | pusha |
||
1440 | lea ecx, [eax + SOCKET.mutex] |
||
1441 | call mutex_unlock |
||
1442 | popa |
||
1443 | |||
1444 | jmp SOCKET_notify |
||
1445 | |||
1446 | .full: |
||
3556 | hidnplayr | 1447 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1448 | |
1449 | pusha |
||
1450 | lea ecx, [eax + SOCKET.mutex] |
||
1451 | call mutex_unlock |
||
1452 | popa |
||
1453 | |||
3861 | hidnplayr | 1454 | call NET_packet_free |
3545 | hidnplayr | 1455 | add esp, 8 |
1456 | |||
1457 | ret |
||
1458 | |||
1459 | |||
1460 | ;-------------------------- |
||
1461 | ; |
||
1462 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1463 | ; |
||
1464 | align 4 |
||
1465 | SOCKET_ring_create: |
||
1466 | |||
1467 | push esi |
||
1468 | mov esi, eax |
||
1469 | |||
1470 | push edx |
||
1471 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1472 | pop edx |
||
1473 | |||
3556 | hidnplayr | 1474 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_created: %x\n", eax |
3545 | hidnplayr | 1475 | |
1476 | pusha |
||
1477 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1478 | call mutex_init |
||
1479 | popa |
||
1480 | |||
1481 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1482 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1483 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1484 | mov [esi + RING_BUFFER.size], 0 |
||
1485 | add eax, SOCKET_MAXDATA |
||
1486 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1487 | mov eax, esi |
||
1488 | pop esi |
||
1489 | |||
1490 | ret |
||
1491 | |||
1492 | ;----------------------------------------------------------------- |
||
1493 | ; |
||
1494 | ; SOCKET_ring_write |
||
1495 | ; |
||
1496 | ; Adds data to a stream socket, and updates write pointer and size |
||
1497 | ; |
||
1498 | ; IN: eax = ptr to ring struct |
||
1499 | ; ecx = data size |
||
1500 | ; esi = ptr to data |
||
1501 | ; |
||
1502 | ; OUT: ecx = number of bytes stored |
||
1503 | ; |
||
1504 | ;----------------------------------------------------------------- |
||
1505 | align 4 |
||
1506 | SOCKET_ring_write: |
||
1507 | |||
3556 | hidnplayr | 1508 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1509 | |
1510 | ; lock mutex |
||
1511 | pusha |
||
1512 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1513 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1514 | popa |
||
1515 | |||
1516 | ; calculate available size |
||
1517 | mov edi, SOCKET_MAXDATA |
||
1518 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1519 | cmp ecx, edi |
||
1520 | jbe .copy |
||
1521 | mov ecx, edi |
||
1522 | .copy: |
||
1523 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1524 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1525 | |
1526 | ; update write ptr |
||
1527 | push edi |
||
1528 | add edi, ecx |
||
1529 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1530 | jb @f |
||
1531 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1532 | @@: |
||
1533 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1534 | pop edi |
||
1535 | |||
1536 | ; update size |
||
1537 | add [eax + RING_BUFFER.size], ecx |
||
1538 | |||
1539 | ; copy the data |
||
1540 | push ecx |
||
1541 | shr ecx, 1 |
||
1542 | jnc .nb |
||
1543 | movsb |
||
1544 | .nb: |
||
1545 | shr ecx, 1 |
||
1546 | jnc .nw |
||
1547 | movsw |
||
1548 | .nw: |
||
1549 | test ecx, ecx |
||
1550 | jz .nd |
||
3711 | clevermous | 1551 | rep movsd |
3545 | hidnplayr | 1552 | .nd: |
1553 | pop ecx |
||
1554 | |||
1555 | ; unlock mutex |
||
1556 | push eax ecx |
||
1557 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1558 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1559 | pop ecx eax |
||
1560 | |||
1561 | ret |
||
1562 | |||
1563 | ;----------------------------------------------------------------- |
||
1564 | ; |
||
1565 | ; SOCKET_ring_read |
||
1566 | ; |
||
1567 | ; IN: eax = ring struct ptr |
||
1568 | ; ecx = bytes to read |
||
1569 | ; edx = offset |
||
1570 | ; edi = ptr to buffer start |
||
1571 | ; |
||
1572 | ; OUT: eax = unchanged |
||
1573 | ; ecx = number of bytes read (0 on error) |
||
1574 | ; edx = destroyed |
||
1575 | ; esi = destroyed |
||
1576 | ; edi = ptr to buffer end |
||
1577 | ; |
||
1578 | ;----------------------------------------------------------------- |
||
1579 | align 4 |
||
1580 | SOCKET_ring_read: |
||
1581 | |||
3556 | hidnplayr | 1582 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1583 | |
1584 | pusha |
||
1585 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1586 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1587 | popa |
||
1588 | |||
1589 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1590 | add esi, edx ; esi = start_ptr + offset |
||
1591 | |||
1592 | neg edx |
||
1593 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1594 | jle .no_data_at_all |
||
1595 | |||
1596 | pusha |
||
1597 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1598 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1599 | popa |
||
1600 | |||
1601 | cmp ecx, edx |
||
1602 | ja .less_data |
||
1603 | |||
1604 | .copy: |
||
3556 | hidnplayr | 1605 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1606 | push ecx |
1607 | shr ecx, 1 |
||
1608 | jnc .nb |
||
1609 | movsb |
||
1610 | .nb: |
||
1611 | shr ecx, 1 |
||
1612 | jnc .nw |
||
1613 | movsw |
||
1614 | .nw: |
||
1615 | test ecx, ecx |
||
1616 | jz .nd |
||
3711 | clevermous | 1617 | rep movsd |
3545 | hidnplayr | 1618 | .nd: |
1619 | pop ecx |
||
1620 | ret |
||
1621 | |||
1622 | .no_data_at_all: |
||
1623 | pusha |
||
1624 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1625 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1626 | popa |
||
1627 | |||
3556 | hidnplayr | 1628 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1629 | xor ecx, ecx |
1630 | ret |
||
1631 | |||
1632 | .less_data: |
||
1633 | mov ecx, edx |
||
1634 | jmp .copy |
||
1635 | |||
1636 | |||
1637 | ;----------------------------------------------------------------- |
||
1638 | ; |
||
1639 | ; SOCKET_ring_free |
||
1640 | ; |
||
1641 | ; Free's some bytes from the ringbuffer |
||
1642 | ; |
||
1643 | ; IN: eax = ptr to ring struct |
||
1644 | ; ecx = data size |
||
1645 | ; |
||
1646 | ; OUT: ecx = number of bytes free-ed |
||
1647 | ; |
||
1648 | ;----------------------------------------------------------------- |
||
1649 | align 4 |
||
1650 | SOCKET_ring_free: |
||
1651 | |||
3556 | hidnplayr | 1652 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1653 | |
1654 | push eax ecx |
||
1655 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1656 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1657 | pop ecx eax |
||
1658 | |||
1659 | sub [eax + RING_BUFFER.size], ecx |
||
1660 | jb .error |
||
1661 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1662 | |||
1663 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1664 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1665 | jb @f |
||
1666 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1667 | @@: |
||
1668 | |||
1669 | push eax ecx |
||
1670 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1671 | call mutex_unlock |
||
1672 | pop ecx eax |
||
1673 | |||
1674 | ret |
||
1675 | |||
1676 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1677 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1678 | add [eax + RING_BUFFER.size], ecx |
1679 | |||
1680 | push eax |
||
1681 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1682 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1683 | pop eax |
||
1684 | |||
1685 | xor ecx, ecx |
||
1686 | ret |
||
1687 | |||
1688 | |||
1689 | ;----------------------------------------------------------------- |
||
1690 | ; |
||
1691 | ; SOCKET_block |
||
1692 | ; |
||
1693 | ; Suspends the thread attached to a socket |
||
1694 | ; |
||
1695 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1696 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1697 | ; |
1698 | ;----------------------------------------------------------------- |
||
1699 | align 4 |
||
1700 | SOCKET_block: |
||
1701 | |||
3556 | hidnplayr | 1702 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1703 | |
1704 | pushf |
||
3674 | hidnplayr | 1705 | push eax |
3545 | hidnplayr | 1706 | cli |
1707 | |||
1708 | ; Set the 'socket is blocked' flag |
||
1709 | or [eax + SOCKET.state], SS_BLOCKED |
||
1710 | |||
1711 | ; Suspend the thread |
||
1712 | push edx |
||
1713 | mov edx, [TASK_BASE] |
||
1714 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1715 | |||
1716 | ; Remember the thread ID so we can wake it up again |
||
1717 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1718 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1719 | mov [eax + SOCKET.TID], edx |
1720 | pop edx |
||
1721 | |||
1722 | call change_task |
||
3674 | hidnplayr | 1723 | pop eax |
3545 | hidnplayr | 1724 | popf |
1725 | |||
3556 | hidnplayr | 1726 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n" |
3545 | hidnplayr | 1727 | |
1728 | ret |
||
1729 | |||
1730 | |||
1731 | ;----------------------------------------------------------------- |
||
1732 | ; |
||
1733 | ; SOCKET_notify |
||
1734 | ; |
||
1735 | ; notify's the owner of a socket that something happened |
||
1736 | ; |
||
1737 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1738 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1739 | ; |
1740 | ;----------------------------------------------------------------- |
||
1741 | align 4 |
||
1742 | SOCKET_notify: |
||
1743 | |||
3556 | hidnplayr | 1744 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1745 | |
1746 | call SOCKET_check |
||
1747 | jz .error |
||
1748 | |||
1749 | test [eax + SOCKET.state], SS_BLOCKED |
||
1750 | jnz .unblock |
||
1751 | |||
3704 | hidnplayr | 1752 | ; test [eax + SOCKET.options], SO_NONBLOCK |
1753 | ; jz .error |
||
3545 | hidnplayr | 1754 | |
1755 | push eax ecx esi |
||
1756 | |||
1757 | ; socket exists and is of non blocking type. |
||
1758 | ; We'll try to flag an event to the thread |
||
1759 | |||
1760 | mov eax, [eax + SOCKET.TID] |
||
1761 | test eax, eax |
||
1762 | jz .done |
||
1763 | mov ecx, 1 |
||
1764 | mov esi, TASK_DATA + TASKDATA.pid |
||
1765 | |||
1766 | .next_pid: |
||
1767 | cmp [esi], eax |
||
1768 | je .found_pid |
||
1769 | inc ecx |
||
1770 | add esi, 0x20 |
||
1771 | cmp ecx, [TASK_COUNT] |
||
1772 | jbe .next_pid |
||
1773 | ; PID not found, TODO: close socket! |
||
1774 | jmp .done |
||
1775 | |||
1776 | .found_pid: |
||
1777 | shl ecx, 8 |
||
1778 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1779 | |||
3817 | hidnplayr | 1780 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", eax |
3545 | hidnplayr | 1781 | jmp .done |
1782 | |||
1783 | .unblock: |
||
1784 | push eax ecx esi |
||
1785 | ; Clear the 'socket is blocked' flag |
||
1786 | and [eax + SOCKET.state], not SS_BLOCKED |
||
1787 | |||
1788 | ; Find the thread's TASK_DATA |
||
1789 | mov eax, [eax + SOCKET.TID] |
||
1790 | test eax, eax |
||
1791 | jz .error |
||
1792 | xor ecx, ecx |
||
1793 | inc ecx |
||
1794 | mov esi, TASK_DATA |
||
1795 | .next: |
||
1796 | cmp [esi + TASKDATA.pid], eax |
||
1797 | je .found |
||
1798 | inc ecx |
||
1799 | add esi, 0x20 |
||
1800 | cmp ecx, [TASK_COUNT] |
||
1801 | jbe .next |
||
1802 | jmp .error |
||
1803 | .found: |
||
1804 | |||
1805 | ; Run the thread |
||
1806 | mov [esi + TASKDATA.state], 0 ; Running |
||
3556 | hidnplayr | 1807 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
3545 | hidnplayr | 1808 | |
1809 | .done: |
||
1810 | pop esi ecx eax |
||
1811 | |||
1812 | .error: |
||
1813 | ret |
||
1814 | |||
1815 | |||
1816 | ;-------------------------------------------------------------------- |
||
1817 | ; |
||
1818 | ; SOCKET_alloc |
||
1819 | ; |
||
1820 | ; Allocate memory for socket data and put new socket into the list |
||
1821 | ; Newly created socket is initialized with calling PID and number and |
||
1822 | ; put into beginning of list (which is a fastest way). |
||
1823 | ; |
||
1824 | ; IN: / |
||
1825 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1826 | ; edi = socket number |
||
1827 | ; ZF = cleared on error |
||
1828 | ; |
||
1829 | ;-------------------------------------------------------------------- |
||
1830 | align 4 |
||
1831 | SOCKET_alloc: |
||
1832 | |||
1833 | push ebx |
||
1834 | |||
1835 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
3556 | hidnplayr | 1836 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1837 | or eax, eax |
1838 | jz .exit |
||
1839 | |||
1840 | ; zero-initialize allocated memory |
||
1841 | push eax |
||
1842 | mov edi, eax |
||
1843 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1844 | xor eax, eax |
||
3711 | clevermous | 1845 | rep stosd |
3545 | hidnplayr | 1846 | pop eax |
1847 | |||
1848 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1849 | mov [eax + SOCKET.snd_proc], .not_yet |
1850 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1851 | |
3647 | hidnplayr | 1852 | pusha |
1853 | mov ecx, socket_mutex |
||
1854 | call mutex_lock |
||
1855 | popa |
||
1856 | |||
3545 | hidnplayr | 1857 | ; find first free socket number and use it |
1858 | mov edi, [last_socket_num] |
||
1859 | .next_socket_number: |
||
1860 | inc edi |
||
1861 | jz .next_socket_number ; avoid socket nr 0 |
||
1862 | cmp edi, -1 |
||
1863 | je .next_socket_number ; avoid socket nr -1 |
||
1864 | mov ebx, net_sockets |
||
1865 | .next_socket: |
||
1866 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1867 | test ebx, ebx |
||
1868 | jz .last_socket |
||
1869 | |||
1870 | cmp [ebx + SOCKET.Number], edi |
||
1871 | jne .next_socket |
||
1872 | jmp .next_socket_number |
||
1873 | |||
1874 | .last_socket: |
||
1875 | mov [last_socket_num], edi |
||
1876 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1877 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1878 | |
1879 | ; Fill in PID |
||
1880 | mov ebx, [TASK_BASE] |
||
1881 | mov ebx, [ebx + TASKDATA.pid] |
||
1882 | mov [eax + SOCKET.PID], ebx |
||
1883 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1884 | |||
1885 | ; init mutex |
||
1886 | pusha |
||
1887 | lea ecx, [eax + SOCKET.mutex] |
||
1888 | call mutex_init |
||
1889 | popa |
||
1890 | |||
1891 | ; add socket to the list by re-arranging some pointers |
||
1892 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
1893 | |||
1894 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
1895 | mov [eax + SOCKET.NextPtr], ebx |
||
1896 | |||
1897 | test ebx, ebx |
||
1898 | jz @f |
||
1899 | |||
1900 | pusha |
||
1901 | lea ecx, [ebx + SOCKET.mutex] |
||
1902 | call mutex_lock |
||
1903 | popa |
||
1904 | |||
1905 | mov [ebx + SOCKET.PrevPtr], eax |
||
1906 | |||
1907 | pusha |
||
1908 | lea ecx, [ebx + SOCKET.mutex] |
||
1909 | call mutex_unlock |
||
1910 | popa |
||
1911 | @@: |
||
1912 | |||
1913 | mov [net_sockets + SOCKET.NextPtr], eax |
||
1914 | or eax, eax ; used to clear zero flag |
||
3647 | hidnplayr | 1915 | |
1916 | pusha |
||
1917 | mov ecx, socket_mutex |
||
1918 | call mutex_unlock |
||
1919 | popa |
||
1920 | |||
3545 | hidnplayr | 1921 | .exit: |
1922 | pop ebx |
||
1923 | |||
1924 | ret |
||
1925 | |||
3658 | hidnplayr | 1926 | .not_yet: |
3673 | hidnplayr | 1927 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 1928 | mov dword[esp+32], -1 |
1929 | ret |
||
3545 | hidnplayr | 1930 | |
3658 | hidnplayr | 1931 | |
3545 | hidnplayr | 1932 | ;---------------------------------------------------- |
1933 | ; |
||
1934 | ; SOCKET_free |
||
1935 | ; |
||
1936 | ; Free socket data memory and remove socket from the list |
||
3884 | hidnplayr | 1937 | ; Caller should lock and unlock socket_mutex |
3545 | hidnplayr | 1938 | ; |
1939 | ; IN: eax = socket ptr |
||
1940 | ; OUT: / |
||
1941 | ; |
||
1942 | ;---------------------------------------------------- |
||
1943 | align 4 |
||
1944 | SOCKET_free: |
||
1945 | |||
3556 | hidnplayr | 1946 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 1947 | |
1948 | call SOCKET_check |
||
1949 | jz .error |
||
1950 | |||
1951 | push ebx |
||
1952 | |||
1953 | pusha |
||
1954 | lea ecx, [eax + SOCKET.mutex] |
||
1955 | call mutex_lock |
||
1956 | popa |
||
1957 | |||
1958 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
1959 | jnz .no_tcp |
||
1960 | |||
1961 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1962 | jnz .no_tcp |
||
1963 | |||
1964 | mov ebx, eax |
||
1965 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
1966 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
1967 | mov eax, ebx |
||
1968 | .no_tcp: |
||
1969 | |||
3652 | hidnplayr | 1970 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 1971 | push eax ; this will be passed to kernel_free |
1972 | mov ebx, [eax + SOCKET.NextPtr] |
||
1973 | mov eax, [eax + SOCKET.PrevPtr] |
||
1974 | |||
3556 | hidnplayr | 1975 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 1976 | |
1977 | test eax, eax |
||
1978 | jz @f |
||
1979 | mov [eax + SOCKET.NextPtr], ebx |
||
1980 | @@: |
||
1981 | |||
1982 | test ebx, ebx |
||
1983 | jz @f |
||
1984 | mov [ebx + SOCKET.PrevPtr], eax |
||
1985 | @@: |
||
1986 | |||
1987 | call kernel_free |
||
1988 | pop ebx |
||
1989 | |||
3652 | hidnplayr | 1990 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
1991 | |||
1992 | .error: |
||
3545 | hidnplayr | 1993 | ret |
1994 | |||
1995 | ;------------------------------------ |
||
1996 | ; |
||
1997 | ; SOCKET_fork |
||
1998 | ; |
||
1999 | ; Create a child socket |
||
2000 | ; |
||
2001 | ; IN: socket nr in ebx |
||
2002 | ; OUT: child socket nr in eax |
||
2003 | ; |
||
2004 | ;----------------------------------- |
||
2005 | align 4 |
||
2006 | SOCKET_fork: |
||
2007 | |||
3556 | hidnplayr | 2008 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2009 | |
2010 | ; Exit if backlog queue is full |
||
2011 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2012 | cmp ax, [ebx + SOCKET.backlog] |
||
2013 | jae .fail |
||
2014 | |||
2015 | ; Allocate new socket |
||
2016 | push ebx |
||
2017 | call SOCKET_alloc |
||
2018 | pop ebx |
||
2019 | jz .fail |
||
2020 | |||
2021 | push eax |
||
2022 | mov esi, esp |
||
2023 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2024 | pop eax |
||
2025 | |||
2026 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2027 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2028 | ; TID will be filled in later |
||
3545 | hidnplayr | 2029 | lea esi, [ebx + SOCKET.PID] |
2030 | lea edi, [eax + SOCKET.PID] |
||
2031 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2032 | rep movsd |
3545 | hidnplayr | 2033 | |
2034 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2035 | |||
3817 | hidnplayr | 2036 | ; Notify owner of parent socket |
2037 | push eax |
||
2038 | mov eax, ebx |
||
2039 | call SOCKET_notify |
||
2040 | pop eax |
||
2041 | |||
3545 | hidnplayr | 2042 | ret |
2043 | |||
2044 | .fail2: |
||
2045 | add esp, 4+4+4 |
||
2046 | .fail: |
||
3556 | hidnplayr | 2047 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2048 | xor eax, eax |
2049 | ret |
||
2050 | |||
2051 | |||
2052 | ;--------------------------------------------------- |
||
2053 | ; |
||
2054 | ; SOCKET_num_to_ptr |
||
2055 | ; |
||
2056 | ; Get socket structure address by its number |
||
2057 | ; |
||
2058 | ; IN: ecx = socket number |
||
2059 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2060 | ; ZF = set on error |
||
2061 | ; |
||
2062 | ;--------------------------------------------------- |
||
2063 | align 4 |
||
2064 | SOCKET_num_to_ptr: |
||
2065 | |||
3556 | hidnplayr | 2066 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2067 | |
3647 | hidnplayr | 2068 | pusha |
2069 | mov ecx, socket_mutex |
||
2070 | call mutex_lock |
||
2071 | popa |
||
2072 | |||
3545 | hidnplayr | 2073 | mov eax, net_sockets |
2074 | |||
2075 | .next_socket: |
||
2076 | mov eax, [eax + SOCKET.NextPtr] |
||
2077 | or eax, eax |
||
2078 | jz .error |
||
2079 | cmp [eax + SOCKET.Number], ecx |
||
2080 | jne .next_socket |
||
2081 | |||
2082 | test eax, eax |
||
2083 | |||
3647 | hidnplayr | 2084 | pusha |
2085 | mov ecx, socket_mutex |
||
2086 | call mutex_unlock |
||
2087 | popa |
||
2088 | |||
3556 | hidnplayr | 2089 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2090 | ret |
2091 | |||
2092 | .error: |
||
3647 | hidnplayr | 2093 | pusha |
2094 | mov ecx, socket_mutex |
||
2095 | call mutex_unlock |
||
2096 | popa |
||
2097 | |||
3637 | hidnplayr | 2098 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: not found\n", eax |
3545 | hidnplayr | 2099 | ret |
2100 | |||
2101 | |||
2102 | ;--------------------------------------------------- |
||
2103 | ; |
||
2104 | ; SOCKET_ptr_to_num |
||
2105 | ; |
||
2106 | ; Get socket number by its address |
||
2107 | ; |
||
2108 | ; IN: eax = socket ptr |
||
2109 | ; OUT: eax = 0 on error, socket num otherwise |
||
2110 | ; ZF = set on error |
||
2111 | ; |
||
2112 | ;--------------------------------------------------- |
||
2113 | align 4 |
||
2114 | SOCKET_ptr_to_num: |
||
2115 | |||
3556 | hidnplayr | 2116 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2117 | |
2118 | call SOCKET_check |
||
2119 | jz .error |
||
2120 | |||
2121 | mov eax, [eax + SOCKET.Number] |
||
2122 | |||
3556 | hidnplayr | 2123 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2124 | ret |
2125 | |||
2126 | .error: |
||
3556 | hidnplayr | 2127 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2128 | ret |
2129 | |||
2130 | |||
2131 | ;--------------------------------------------------- |
||
2132 | ; |
||
2133 | ; SOCKET_check |
||
2134 | ; |
||
2135 | ; checks if the given value is really a socket ptr |
||
2136 | ; |
||
2137 | ; IN: eax = socket ptr |
||
2138 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2139 | ; ZF = set on error |
||
2140 | ; |
||
2141 | ;--------------------------------------------------- |
||
2142 | align 4 |
||
2143 | SOCKET_check: |
||
2144 | |||
3556 | hidnplayr | 2145 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2146 | |
2147 | push ebx |
||
2148 | mov ebx, net_sockets |
||
2149 | |||
2150 | .next_socket: |
||
2151 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2152 | or ebx, ebx |
||
2153 | jz .done |
||
2154 | cmp ebx, eax |
||
2155 | jnz .next_socket |
||
2156 | |||
2157 | .done: |
||
2158 | mov eax, ebx |
||
2159 | test eax, eax |
||
2160 | pop ebx |
||
2161 | |||
2162 | ret |
||
2163 | |||
2164 | |||
2165 | |||
2166 | ;--------------------------------------------------- |
||
2167 | ; |
||
2168 | ; SOCKET_check_owner |
||
2169 | ; |
||
2170 | ; checks if the caller application owns the socket |
||
2171 | ; |
||
2172 | ; IN: eax = socket ptr |
||
2173 | ; OUT: ZF = true/false |
||
2174 | ; |
||
2175 | ;--------------------------------------------------- |
||
2176 | align 4 |
||
2177 | SOCKET_check_owner: |
||
2178 | |||
3556 | hidnplayr | 2179 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2180 | |
2181 | push ebx |
||
2182 | mov ebx, [TASK_BASE] |
||
2183 | mov ebx, [ebx + TASKDATA.pid] |
||
2184 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2185 | pop ebx |
3545 | hidnplayr | 2186 | |
2187 | ret |
||
2188 | |||
2189 | |||
2190 | |||
2191 | |||
2192 | ;------------------------------------------------------ |
||
2193 | ; |
||
2194 | ; SOCKET_process_end |
||
2195 | ; |
||
2196 | ; Kernel calls this function when a certain process ends |
||
2197 | ; This function will check if the process had any open sockets |
||
2198 | ; And update them accordingly |
||
2199 | ; |
||
2200 | ; IN: edx = pid |
||
2201 | ; OUT: / |
||
2202 | ; |
||
2203 | ;------------------------------------------------------ |
||
2204 | align 4 |
||
2205 | SOCKET_process_end: |
||
2206 | |||
3556 | hidnplayr | 2207 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2208 | |
3647 | hidnplayr | 2209 | pusha |
2210 | mov ecx, socket_mutex |
||
2211 | call mutex_lock |
||
2212 | popa |
||
2213 | |||
3545 | hidnplayr | 2214 | push ebx |
2215 | mov ebx, net_sockets |
||
2216 | |||
2217 | .next_socket: |
||
2218 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2219 | .next_socket_test: |
||
2220 | test ebx, ebx |
||
2221 | jz .done |
||
2222 | |||
2223 | cmp [ebx + SOCKET.PID], edx |
||
2224 | jne .next_socket |
||
2225 | |||
3556 | hidnplayr | 2226 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2227 | |
2228 | mov [ebx + SOCKET.PID], 0 |
||
2229 | mov eax, ebx |
||
2230 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2231 | |
3545 | hidnplayr | 2232 | pusha |
3652 | hidnplayr | 2233 | cmp [eax + SOCKET.Domain], AF_INET4 |
2234 | jne .free |
||
2235 | |||
2236 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2237 | jne .free |
||
2238 | |||
2239 | call TCP_close |
||
2240 | jmp .closed |
||
2241 | |||
2242 | .free: |
||
2243 | call SOCKET_free |
||
2244 | |||
2245 | .closed: |
||
3545 | hidnplayr | 2246 | popa |
2247 | jmp .next_socket_test |
||
2248 | |||
2249 | .done: |
||
2250 | pop ebx |
||
2251 | |||
3647 | hidnplayr | 2252 | pusha |
2253 | mov ecx, socket_mutex |
||
2254 | call mutex_unlock |
||
2255 | popa |
||
2256 | |||
3545 | hidnplayr | 2257 | ret |
2258 | |||
2259 | |||
2260 | |||
2261 | |||
2262 | ;----------------------------------------------------------------- |
||
2263 | ; |
||
2264 | ; SOCKET_is_connecting |
||
2265 | ; |
||
2266 | ; IN: eax = socket ptr |
||
2267 | ; OUT: / |
||
2268 | ; |
||
2269 | ;----------------------------------------------------------------- |
||
2270 | |||
2271 | align 4 |
||
2272 | SOCKET_is_connecting: |
||
2273 | |||
3556 | hidnplayr | 2274 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2275 | |
4025 | hidnplayr | 2276 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2277 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
3545 | hidnplayr | 2278 | |
4025 | hidnplayr | 2279 | ret |
3545 | hidnplayr | 2280 | |
2281 | |||
2282 | |||
2283 | ;----------------------------------------------------------------- |
||
2284 | ; |
||
2285 | ; SOCKET_is_connected |
||
2286 | ; |
||
2287 | ; IN: eax = socket ptr |
||
2288 | ; OUT: / |
||
2289 | ; |
||
2290 | ;----------------------------------------------------------------- |
||
2291 | |||
2292 | align 4 |
||
2293 | SOCKET_is_connected: |
||
2294 | |||
3556 | hidnplayr | 2295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2296 | |
3674 | hidnplayr | 2297 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2298 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
3545 | hidnplayr | 2299 | |
2300 | jmp SOCKET_notify |
||
2301 | |||
2302 | |||
2303 | |||
2304 | |||
2305 | ;----------------------------------------------------------------- |
||
2306 | ; |
||
2307 | ; SOCKET_is_disconnecting |
||
2308 | ; |
||
2309 | ; IN: eax = socket ptr |
||
2310 | ; OUT: / |
||
2311 | ; |
||
2312 | ;----------------------------------------------------------------- |
||
2313 | |||
2314 | align 4 |
||
2315 | SOCKET_is_disconnecting: |
||
2316 | |||
3556 | hidnplayr | 2317 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2318 | |
3674 | hidnplayr | 2319 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2320 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2321 | |
2322 | jmp SOCKET_notify |
||
2323 | |||
2324 | |||
2325 | |||
2326 | ;----------------------------------------------------------------- |
||
2327 | ; |
||
2328 | ; SOCKET_is_disconnected |
||
2329 | ; |
||
2330 | ; IN: eax = socket ptr |
||
2331 | ; OUT: / |
||
2332 | ; |
||
2333 | ;----------------------------------------------------------------- |
||
2334 | |||
2335 | align 4 |
||
2336 | SOCKET_is_disconnected: |
||
2337 | |||
3556 | hidnplayr | 2338 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2339 | |
3674 | hidnplayr | 2340 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2341 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2342 | |
2343 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2344 | je .tcp |
||
2345 | |||
2346 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
2347 | je .udp |
||
2348 | |||
2349 | jmp SOCKET_notify |
||
2350 | |||
2351 | .tcp: |
||
2352 | .udp: |
||
2353 | mov [eax + UDP_SOCKET.LocalPort], 0 ; UDP and TCP structs store localport at the same offset |
||
2354 | mov [eax + UDP_SOCKET.RemotePort], 0 |
||
2355 | |||
2356 | jmp SOCKET_notify |
||
2357 | |||
2358 | |||
2359 | ;----------------------------------------------------------------- |
||
2360 | ; |
||
2361 | ; SOCKET_cant_recv_more |
||
2362 | ; |
||
2363 | ; IN: eax = socket ptr |
||
2364 | ; OUT: / |
||
2365 | ; |
||
2366 | ;----------------------------------------------------------------- |
||
2367 | |||
2368 | align 4 |
||
2369 | SOCKET_cant_recv_more: |
||
2370 | |||
3556 | hidnplayr | 2371 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2372 | |
3674 | hidnplayr | 2373 | or [eax + SOCKET.state], SS_CANTRCVMORE |
3545 | hidnplayr | 2374 | |
3565 | hidnplayr | 2375 | call SOCKET_notify |
2376 | |||
3545 | hidnplayr | 2377 | ret |
2378 | |||
2379 | |||
2380 | |||
2381 | ;----------------------------------------------------------------- |
||
2382 | ; |
||
2383 | ; SOCKET_cant_send_more |
||
2384 | ; |
||
2385 | ; IN: eax = socket ptr |
||
2386 | ; OUT: / |
||
2387 | ; |
||
2388 | ;----------------------------------------------------------------- |
||
2389 | |||
2390 | align 4 |
||
2391 | SOCKET_cant_send_more: |
||
2392 | |||
3556 | hidnplayr | 2393 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2394 | |
3674 | hidnplayr | 2395 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2396 | mov [eax + SOCKET.snd_proc], .notconn |
3545 | hidnplayr | 2397 | |
3565 | hidnplayr | 2398 | call SOCKET_notify |
2399 | |||
3658 | hidnplayr | 2400 | ret |
2401 | |||
2402 | .notconn: |
||
3673 | hidnplayr | 2403 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2404 | mov dword[esp+32], -1 |
3545 | hidnplayr | 2405 | ret |