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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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4365 | hidnplayr | 31 | Type dd ? ; RAW/STREAM/DGRAM |
3545 | hidnplayr | 32 | Protocol dd ? ; ICMP/IPv4/ARP/TCP/UDP |
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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4339 | hidnplayr | 95 | SND_CWND dd ? ; congestion window |
96 | SND_SSTHRESH dd ? ; slow start threshold |
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3545 | hidnplayr | 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 | ends |
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145 | |||
146 | struct UDP_SOCKET IP_SOCKET |
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147 | |||
148 | LocalPort dw ? ; network byte order |
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149 | RemotePort dw ? ; network byte order |
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150 | |||
151 | ends |
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152 | |||
153 | |||
154 | struct ICMP_SOCKET IP_SOCKET |
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155 | |||
156 | Identifier dw ? |
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157 | |||
158 | ends |
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159 | |||
160 | |||
161 | struct RING_BUFFER |
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162 | |||
163 | mutex MUTEX |
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164 | start_ptr dd ? ; Pointer to start of buffer |
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165 | end_ptr dd ? ; pointer to end of buffer |
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166 | read_ptr dd ? ; Read pointer |
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167 | write_ptr dd ? ; Write pointer |
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168 | size dd ? ; Number of bytes buffered |
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169 | |||
170 | ends |
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171 | |||
172 | struct STREAM_SOCKET TCP_SOCKET |
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173 | |||
174 | rcv RING_BUFFER |
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175 | snd RING_BUFFER |
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176 | |||
177 | ends |
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178 | |||
179 | struct socket_queue_entry |
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180 | |||
181 | data_ptr dd ? |
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182 | buf_ptr dd ? |
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183 | data_size dd ? |
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184 | |||
185 | ends |
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186 | |||
187 | |||
188 | SOCKETBUFFSIZE = 4096 ; in bytes |
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189 | |||
190 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
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191 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
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192 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
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193 | |||
194 | uglobal |
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3698 | hidnplayr | 195 | align 4 |
196 | |||
3545 | hidnplayr | 197 | net_sockets rd 4 |
198 | last_socket_num dd ? |
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199 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
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200 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 201 | socket_mutex MUTEX |
3698 | hidnplayr | 202 | |
3545 | hidnplayr | 203 | endg |
204 | |||
205 | |||
206 | ;----------------------------------------------------------------- |
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207 | ; |
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208 | ; SOCKET_init |
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209 | ; |
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210 | ;----------------------------------------------------------------- |
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211 | macro SOCKET_init { |
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212 | |||
213 | xor eax, eax |
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214 | mov edi, net_sockets |
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215 | mov ecx, 5 |
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3711 | clevermous | 216 | rep stosd |
3545 | hidnplayr | 217 | |
218 | @@: |
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219 | pseudo_random eax |
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3600 | hidnplayr | 220 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 221 | jb @r |
3600 | hidnplayr | 222 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 223 | ja @r |
224 | xchg al, ah |
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225 | mov [last_UDP_port], ax |
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226 | |||
227 | @@: |
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228 | pseudo_random eax |
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3600 | hidnplayr | 229 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 230 | jb @r |
3600 | hidnplayr | 231 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 232 | ja @r |
233 | xchg al, ah |
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234 | mov [last_TCP_port], ax |
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235 | |||
3647 | hidnplayr | 236 | mov ecx, socket_mutex |
237 | call mutex_init |
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238 | |||
3545 | hidnplayr | 239 | } |
240 | |||
241 | ;----------------------------------------------------------------- |
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242 | ; |
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243 | ; Socket API (function 74) |
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244 | ; |
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245 | ;----------------------------------------------------------------- |
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246 | align 4 |
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247 | sys_socket: |
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248 | |||
3673 | hidnplayr | 249 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 250 | |
3545 | hidnplayr | 251 | cmp ebx, 255 |
252 | jz SOCKET_debug |
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253 | |||
254 | cmp ebx, .number |
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3658 | hidnplayr | 255 | ja .error |
3545 | hidnplayr | 256 | jmp dword [.table + 4*ebx] |
257 | |||
258 | .table: |
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259 | dd SOCKET_open ; 0 |
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260 | dd SOCKET_close ; 1 |
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261 | dd SOCKET_bind ; 2 |
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262 | dd SOCKET_listen ; 3 |
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263 | dd SOCKET_connect ; 4 |
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264 | dd SOCKET_accept ; 5 |
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265 | dd SOCKET_send ; 6 |
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266 | dd SOCKET_receive ; 7 |
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267 | dd SOCKET_set_opt ; 8 |
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268 | dd SOCKET_get_opt ; 9 |
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269 | dd SOCKET_pair ; 10 |
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270 | .number = ($ - .table) / 4 - 1 |
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271 | |||
3658 | hidnplayr | 272 | .error: |
273 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 274 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 275 | |
276 | ret |
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277 | |||
278 | ;----------------------------------------------------------------- |
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279 | ; |
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280 | ; SOCKET_open |
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281 | ; |
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282 | ; IN: domain in ecx |
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283 | ; type in edx |
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284 | ; protocol in esi |
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285 | ; OUT: eax is socket num, -1 on error |
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286 | ; |
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287 | ;----------------------------------------------------------------- |
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288 | align 4 |
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289 | SOCKET_open: |
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290 | |||
3556 | hidnplayr | 291 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 292 | |
293 | push ecx edx esi |
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294 | call SOCKET_alloc |
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295 | pop esi edx ecx |
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3658 | hidnplayr | 296 | jz .nobuffs |
3545 | hidnplayr | 297 | |
298 | mov [esp+32], edi ; return socketnumber |
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3556 | hidnplayr | 299 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 300 | |
3705 | hidnplayr | 301 | test edx, SO_NONBLOCK |
302 | jz @f |
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303 | or [eax + SOCKET.options], SO_NONBLOCK |
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304 | and edx, not SO_NONBLOCK |
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305 | @@: |
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3545 | hidnplayr | 306 | |
307 | mov [eax + SOCKET.Domain], ecx |
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308 | mov [eax + SOCKET.Type], edx |
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309 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 310 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 311 | |
312 | cmp ecx, AF_INET4 |
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313 | jne .no_inet4 |
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314 | |||
315 | cmp edx, SOCK_DGRAM |
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316 | je .udp |
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317 | |||
318 | cmp edx, SOCK_STREAM |
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319 | je .tcp |
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320 | |||
321 | cmp edx, SOCK_RAW |
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322 | je .raw |
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323 | |||
324 | .no_inet4: |
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325 | cmp ecx, AF_PPP |
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326 | jne .no_ppp |
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327 | |||
328 | cmp esi, PPP_PROTO_ETHERNET |
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329 | je .pppoe |
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330 | |||
331 | .no_ppp: |
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3658 | hidnplayr | 332 | .unsupported: |
333 | push eax |
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334 | call SOCKET_free |
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335 | pop eax |
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3673 | hidnplayr | 336 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 337 | mov dword[esp+32], -1 |
3545 | hidnplayr | 338 | ret |
339 | |||
3658 | hidnplayr | 340 | .nobuffs: |
3673 | hidnplayr | 341 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 342 | mov dword[esp+32], -1 |
343 | ret |
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344 | |||
3545 | hidnplayr | 345 | .raw: |
346 | test esi, esi ; IP_PROTO_IP |
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3658 | hidnplayr | 347 | jz .raw_ip |
3545 | hidnplayr | 348 | |
349 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 350 | je .raw_icmp |
3545 | hidnplayr | 351 | |
3658 | hidnplayr | 352 | jmp .unsupported |
3545 | hidnplayr | 353 | |
354 | align 4 |
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355 | .udp: |
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356 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
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357 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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358 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 359 | mov [eax + SOCKET.connect_proc], UDP_connect |
3545 | hidnplayr | 360 | ret |
361 | |||
362 | align 4 |
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363 | .tcp: |
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364 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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365 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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366 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
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4030 | hidnplayr | 367 | mov [eax + SOCKET.connect_proc], TCP_connect |
3545 | hidnplayr | 368 | |
369 | TCP_init_socket eax |
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370 | ret |
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371 | |||
372 | |||
373 | align 4 |
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3658 | hidnplayr | 374 | .raw_ip: |
3545 | hidnplayr | 375 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
376 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 377 | mov [eax + SOCKET.connect_proc], IPv4_connect |
3545 | hidnplayr | 378 | ret |
379 | |||
380 | |||
381 | align 4 |
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3658 | hidnplayr | 382 | .raw_icmp: |
3545 | hidnplayr | 383 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
384 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 385 | mov [eax + SOCKET.connect_proc], IPv4_connect |
3545 | hidnplayr | 386 | ret |
387 | |||
388 | align 4 |
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389 | .pppoe: |
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390 | push eax |
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391 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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392 | pop eax |
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393 | |||
394 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
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395 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
396 | ret |
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397 | |||
398 | |||
399 | ;----------------------------------------------------------------- |
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400 | ; |
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401 | ; SOCKET_bind |
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402 | ; |
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403 | ; IN: socket number in ecx |
||
404 | ; pointer to sockaddr struct in edx |
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405 | ; length of that struct in esi |
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406 | ; OUT: 0 on success |
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407 | ; |
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408 | ;----------------------------------------------------------------- |
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409 | align 4 |
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410 | SOCKET_bind: |
||
411 | |||
3556 | hidnplayr | 412 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 413 | |
414 | call SOCKET_num_to_ptr |
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3658 | hidnplayr | 415 | jz .invalid |
3545 | hidnplayr | 416 | |
417 | cmp esi, 2 |
||
3658 | hidnplayr | 418 | jb .invalid |
3545 | hidnplayr | 419 | |
4052 | hidnplayr | 420 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
421 | jnz .invalid |
||
422 | |||
3545 | hidnplayr | 423 | cmp word [edx], AF_INET4 |
424 | je .af_inet4 |
||
425 | |||
426 | cmp word [edx], AF_LOCAL |
||
427 | je .af_local |
||
428 | |||
3658 | hidnplayr | 429 | .notsupp: |
3673 | hidnplayr | 430 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 431 | mov dword[esp+32], -1 |
432 | ret |
||
3545 | hidnplayr | 433 | |
3658 | hidnplayr | 434 | .invalid: |
3673 | hidnplayr | 435 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 436 | mov dword[esp+32], -1 |
437 | ret |
||
438 | |||
3545 | hidnplayr | 439 | .af_local: |
440 | ; TODO: write code here |
||
3658 | hidnplayr | 441 | mov dword[esp+32], 0 |
3545 | hidnplayr | 442 | ret |
443 | |||
444 | .af_inet4: |
||
445 | cmp esi, 6 |
||
3658 | hidnplayr | 446 | jb .invalid |
3545 | hidnplayr | 447 | |
448 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
449 | je .udp |
||
450 | |||
451 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
452 | je .tcp |
||
453 | |||
3658 | hidnplayr | 454 | jmp .notsupp |
3545 | hidnplayr | 455 | |
456 | .tcp: |
||
457 | .udp: |
||
458 | |||
4052 | hidnplayr | 459 | pushd [edx + 4] ; First, fill in the IP |
460 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 461 | |
4052 | hidnplayr | 462 | mov bx, [edx + 2] ; Did caller specify a local port? |
463 | test bx, bx |
||
464 | jnz .just_check |
||
465 | call SOCKET_find_port ; Nope, find an ephemeral one |
||
466 | jmp .done |
||
467 | |||
468 | .just_check: |
||
469 | call SOCKET_check_port ; Yes, check if it's still available |
||
470 | jz .addrinuse ; ZF is set by socket_check_port on error |
||
471 | |||
472 | .done: |
||
3556 | hidnplayr | 473 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 474 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
475 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
476 | |||
3658 | hidnplayr | 477 | mov dword[esp+32], 0 |
3545 | hidnplayr | 478 | ret |
479 | |||
3658 | hidnplayr | 480 | .addrinuse: |
481 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 482 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 483 | ret |
3545 | hidnplayr | 484 | |
485 | |||
486 | |||
3658 | hidnplayr | 487 | |
3545 | hidnplayr | 488 | ;----------------------------------------------------------------- |
489 | ; |
||
490 | ; SOCKET_connect |
||
491 | ; |
||
492 | ; IN: socket number in ecx |
||
493 | ; pointer to sockaddr struct in edx |
||
494 | ; length of that struct in esi |
||
495 | ; OUT: 0 on success |
||
496 | ; |
||
497 | ;----------------------------------------------------------------- |
||
498 | align 4 |
||
499 | SOCKET_connect: |
||
500 | |||
3556 | hidnplayr | 501 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 502 | |
503 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 504 | jz .invalid |
3545 | hidnplayr | 505 | |
506 | cmp esi, 8 |
||
3658 | hidnplayr | 507 | jb .invalid |
3545 | hidnplayr | 508 | |
4025 | hidnplayr | 509 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
510 | je .already |
||
511 | |||
512 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
513 | jnz .notsupp |
||
514 | |||
4030 | hidnplayr | 515 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 516 | |
4030 | hidnplayr | 517 | mov dword[esp+20], ebx |
518 | mov dword[esp+32], eax |
||
519 | ret |
||
520 | |||
521 | |||
3658 | hidnplayr | 522 | .notsupp: |
3673 | hidnplayr | 523 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 524 | mov dword[esp+32], -1 |
525 | ret |
||
3545 | hidnplayr | 526 | |
3658 | hidnplayr | 527 | .invalid: |
3673 | hidnplayr | 528 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 529 | mov dword[esp+32], -1 |
530 | ret |
||
531 | |||
4025 | hidnplayr | 532 | .already: |
533 | mov dword[esp+20], EALREADY |
||
534 | mov dword[esp+32], -1 |
||
535 | ret |
||
536 | |||
537 | |||
4030 | hidnplayr | 538 | connect_notsupp: |
539 | xor eax, eax |
||
540 | dec eax |
||
541 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 542 | ret |
543 | |||
4025 | hidnplayr | 544 | |
3545 | hidnplayr | 545 | ;----------------------------------------------------------------- |
546 | ; |
||
547 | ; SOCKET_listen |
||
548 | ; |
||
549 | ; IN: socket number in ecx |
||
550 | ; backlog in edx |
||
551 | ; OUT: eax is socket num, -1 on error |
||
552 | ; |
||
553 | ;----------------------------------------------------------------- |
||
554 | align 4 |
||
555 | SOCKET_listen: |
||
556 | |||
3556 | hidnplayr | 557 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 558 | |
559 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 560 | jz .invalid |
3545 | hidnplayr | 561 | |
562 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 563 | jne .notsupp |
3545 | hidnplayr | 564 | |
565 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 566 | jne .invalid |
3545 | hidnplayr | 567 | |
568 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 569 | je .already |
3545 | hidnplayr | 570 | |
571 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
572 | jne @f |
||
3601 | hidnplayr | 573 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 574 | pop [eax + IP_SOCKET.LocalIP] |
575 | @@: |
||
576 | |||
577 | cmp edx, MAX_backlog |
||
578 | jbe @f |
||
579 | mov edx, MAX_backlog |
||
580 | @@: |
||
581 | |||
582 | mov [eax + SOCKET.backlog], dx |
||
583 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
584 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
585 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
586 | |||
587 | push eax |
||
588 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
589 | pop eax |
||
590 | |||
3658 | hidnplayr | 591 | mov dword[esp+32], 0 |
592 | ret |
||
3545 | hidnplayr | 593 | |
3658 | hidnplayr | 594 | .notsupp: |
3673 | hidnplayr | 595 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 596 | mov dword[esp+32], -1 |
3545 | hidnplayr | 597 | ret |
598 | |||
3658 | hidnplayr | 599 | .invalid: |
3673 | hidnplayr | 600 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 601 | mov dword[esp+32], -1 |
602 | ret |
||
3545 | hidnplayr | 603 | |
3658 | hidnplayr | 604 | .already: |
3673 | hidnplayr | 605 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 606 | mov dword[esp+32], -1 |
607 | ret |
||
608 | |||
609 | |||
3545 | hidnplayr | 610 | ;----------------------------------------------------------------- |
611 | ; |
||
612 | ; SOCKET_accept |
||
613 | ; |
||
614 | ; IN: socket number in ecx |
||
615 | ; addr in edx |
||
616 | ; addrlen in esi |
||
617 | ; OUT: eax is socket num, -1 on error |
||
618 | ; |
||
619 | ;----------------------------------------------------------------- |
||
620 | align 4 |
||
621 | SOCKET_accept: |
||
622 | |||
3556 | hidnplayr | 623 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 624 | |
625 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 626 | jz .invalid |
3545 | hidnplayr | 627 | |
628 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 629 | jz .invalid |
3545 | hidnplayr | 630 | |
631 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 632 | jne .notsupp |
3545 | hidnplayr | 633 | |
634 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 635 | jne .invalid |
3545 | hidnplayr | 636 | |
637 | .loop: |
||
638 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
639 | |||
640 | ; Ok, we got a socket ptr |
||
641 | mov eax, [esi] |
||
642 | |||
643 | ; Change thread ID to that of the current thread |
||
644 | mov ebx, [TASK_BASE] |
||
645 | mov ebx, [ebx + TASKDATA.pid] |
||
646 | mov [eax + SOCKET.TID], ebx |
||
647 | |||
3817 | hidnplayr | 648 | ; Convert it to a socket number |
649 | call SOCKET_ptr_to_num |
||
650 | jz .invalid ; FIXME ? |
||
651 | |||
3545 | hidnplayr | 652 | ; and return it to caller |
653 | mov [esp+32], eax |
||
654 | ret |
||
655 | |||
656 | .block: |
||
657 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 658 | jnz .wouldblock |
3545 | hidnplayr | 659 | |
660 | call SOCKET_block |
||
661 | jmp .loop |
||
662 | |||
3658 | hidnplayr | 663 | .wouldblock: |
3673 | hidnplayr | 664 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 665 | mov dword[esp+32], -1 |
666 | ret |
||
667 | |||
668 | .invalid: |
||
3673 | hidnplayr | 669 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 670 | mov dword[esp+32], -1 |
671 | ret |
||
672 | |||
673 | .notsupp: |
||
3673 | hidnplayr | 674 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 675 | mov dword[esp+32], -1 |
676 | ret |
||
677 | |||
3545 | hidnplayr | 678 | ;----------------------------------------------------------------- |
679 | ; |
||
680 | ; SOCKET_close |
||
681 | ; |
||
682 | ; IN: socket number in ecx |
||
683 | ; OUT: eax is socket num, -1 on error |
||
684 | ; |
||
685 | ;----------------------------------------------------------------- |
||
686 | align 4 |
||
687 | SOCKET_close: |
||
688 | |||
3556 | hidnplayr | 689 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 690 | |
691 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 692 | jz .invalid |
3545 | hidnplayr | 693 | |
3658 | hidnplayr | 694 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 695 | |
696 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
697 | |||
698 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
699 | jz @f |
||
700 | call SOCKET_notify.unblock ; Unblock it. |
||
701 | @@: |
||
702 | |||
703 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
704 | jne .free |
||
705 | |||
706 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
707 | je .tcp |
||
708 | |||
709 | .free: |
||
710 | call SOCKET_free |
||
711 | ret |
||
712 | |||
713 | .tcp: |
||
714 | |||
715 | call TCP_usrclosed |
||
716 | |||
717 | ret |
||
718 | |||
719 | |||
3658 | hidnplayr | 720 | .invalid: |
3673 | hidnplayr | 721 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 722 | mov dword[esp+32], -1 |
723 | ret |
||
724 | |||
725 | |||
3545 | hidnplayr | 726 | ;----------------------------------------------------------------- |
727 | ; |
||
728 | ; SOCKET_receive |
||
729 | ; |
||
730 | ; IN: socket number in ecx |
||
731 | ; addr to buffer in edx |
||
732 | ; length of buffer in esi |
||
733 | ; flags in edi |
||
734 | ; OUT: eax is number of bytes copied, -1 on error |
||
735 | ; |
||
736 | ;----------------------------------------------------------------- |
||
737 | align 4 |
||
738 | SOCKET_receive: |
||
739 | |||
3556 | hidnplayr | 740 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 741 | |
742 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 743 | jz .invalid |
3545 | hidnplayr | 744 | |
3704 | hidnplayr | 745 | .loop: |
746 | push edi |
||
3565 | hidnplayr | 747 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 748 | pop edi |
3545 | hidnplayr | 749 | |
4219 | hidnplayr | 750 | test [eax + SOCKET.state], SS_CANTRCVMORE |
751 | jnz .return |
||
752 | |||
3704 | hidnplayr | 753 | cmp ebx, EWOULDBLOCK |
754 | jne .return |
||
755 | |||
756 | test edi, MSG_DONTWAIT |
||
757 | jnz .return_err |
||
758 | |||
759 | ; test [eax + SOCKET.options], SO_NONBLOCK |
||
760 | ; jnz .return_err |
||
761 | |||
762 | call SOCKET_block |
||
763 | jmp .loop |
||
764 | |||
765 | |||
766 | .invalid: |
||
767 | push EINVAL |
||
768 | pop ebx |
||
769 | .return_err: |
||
4219 | hidnplayr | 770 | mov ecx, -1 |
3704 | hidnplayr | 771 | .return: |
3673 | hidnplayr | 772 | mov [esp+20], ebx |
4219 | hidnplayr | 773 | mov [esp+32], ecx |
3565 | hidnplayr | 774 | ret |
3545 | hidnplayr | 775 | |
3565 | hidnplayr | 776 | |
3658 | hidnplayr | 777 | |
3704 | hidnplayr | 778 | |
779 | |||
3545 | hidnplayr | 780 | align 4 |
781 | SOCKET_receive_dgram: |
||
3704 | hidnplayr | 782 | |
3556 | hidnplayr | 783 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 784 | |
3704 | hidnplayr | 785 | mov ebx, esi ; bufferlength |
3545 | hidnplayr | 786 | |
3704 | hidnplayr | 787 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 788 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 789 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 790 | |
3704 | hidnplayr | 791 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 792 | ja .too_small |
793 | |||
4219 | hidnplayr | 794 | push eax ecx |
3545 | hidnplayr | 795 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
796 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 797 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 798 | |
3704 | hidnplayr | 799 | ; copy the data from kernel buffer to application buffer |
800 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 801 | shr ecx, 1 |
802 | jnc .nb |
||
803 | movsb |
||
804 | .nb: |
||
805 | shr ecx, 1 |
||
806 | jnc .nw |
||
807 | movsw |
||
808 | .nw: |
||
809 | test ecx, ecx |
||
810 | jz .nd |
||
3711 | clevermous | 811 | rep movsd |
3545 | hidnplayr | 812 | .nd: |
813 | |||
3861 | hidnplayr | 814 | call NET_packet_free |
4219 | hidnplayr | 815 | pop ecx eax ; return number of bytes copied to application |
3704 | hidnplayr | 816 | xor ebx, ebx |
3545 | hidnplayr | 817 | ret |
818 | |||
819 | .too_small: |
||
4219 | hidnplayr | 820 | mov ecx, -1 |
3704 | hidnplayr | 821 | push EMSGSIZE |
822 | pop ebx |
||
3565 | hidnplayr | 823 | ret |
3545 | hidnplayr | 824 | |
3658 | hidnplayr | 825 | .wouldblock: |
3704 | hidnplayr | 826 | push EWOULDBLOCK |
827 | pop ebx |
||
3658 | hidnplayr | 828 | ret |
3545 | hidnplayr | 829 | |
3658 | hidnplayr | 830 | |
3704 | hidnplayr | 831 | |
3545 | hidnplayr | 832 | align 4 |
833 | SOCKET_receive_local: |
||
834 | |||
835 | ; does this socket have a PID yet? |
||
836 | cmp [eax + SOCKET.PID], 0 |
||
837 | jne @f |
||
838 | |||
839 | ; Change PID to that of current process |
||
840 | mov ebx, [TASK_BASE] |
||
841 | mov ebx, [ebx + TASKDATA.pid] |
||
842 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 843 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 844 | @@: |
845 | |||
846 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
847 | |||
3704 | hidnplayr | 848 | ; ... continue to SOCKET_receive_stream |
849 | |||
3545 | hidnplayr | 850 | align 4 |
851 | SOCKET_receive_stream: |
||
852 | |||
3556 | hidnplayr | 853 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 854 | |
3704 | hidnplayr | 855 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
856 | je .wouldblock |
||
857 | |||
858 | test edi, MSG_PEEK |
||
859 | jnz .peek |
||
860 | |||
3545 | hidnplayr | 861 | mov ecx, esi |
862 | mov edi, edx |
||
863 | xor edx, edx |
||
864 | |||
4219 | hidnplayr | 865 | push eax |
3545 | hidnplayr | 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 |
||
4219 | hidnplayr | 869 | pop eax |
3545 | hidnplayr | 870 | |
3704 | hidnplayr | 871 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 872 | ret |
873 | |||
3704 | hidnplayr | 874 | .wouldblock: |
875 | push EWOULDBLOCK |
||
876 | pop ebx |
||
4219 | hidnplayr | 877 | xor ecx, ecx |
3704 | hidnplayr | 878 | ret |
879 | |||
3545 | hidnplayr | 880 | .peek: |
4219 | hidnplayr | 881 | mov ecx, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 882 | xor ebx, ebx |
3545 | hidnplayr | 883 | ret |
884 | |||
885 | |||
886 | ;----------------------------------------------------------------- |
||
887 | ; |
||
888 | ; SOCKET_send |
||
889 | ; |
||
890 | ; |
||
891 | ; IN: socket number in ecx |
||
892 | ; pointer to data in edx |
||
893 | ; datalength in esi |
||
894 | ; flags in edi |
||
895 | ; OUT: -1 on error |
||
896 | ; |
||
897 | ;----------------------------------------------------------------- |
||
898 | align 4 |
||
899 | SOCKET_send: |
||
900 | |||
3556 | hidnplayr | 901 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 902 | |
903 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 904 | jz .invalid |
3545 | hidnplayr | 905 | |
906 | mov ecx, esi |
||
907 | mov esi, edx |
||
908 | |||
909 | jmp [eax + SOCKET.snd_proc] |
||
910 | |||
3658 | hidnplayr | 911 | .invalid: |
3673 | hidnplayr | 912 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 913 | mov dword[esp+32], -1 |
914 | ret |
||
3545 | hidnplayr | 915 | |
3658 | hidnplayr | 916 | |
3545 | hidnplayr | 917 | align 4 |
918 | SOCKET_send_udp: |
||
919 | |||
3556 | hidnplayr | 920 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 921 | |
922 | mov [esp+32], ecx |
||
923 | call UDP_output |
||
924 | cmp eax, -1 |
||
3658 | hidnplayr | 925 | je .error |
3545 | hidnplayr | 926 | ret |
927 | |||
3658 | hidnplayr | 928 | .error: |
929 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 930 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 931 | ret |
3545 | hidnplayr | 932 | |
3658 | hidnplayr | 933 | |
3545 | hidnplayr | 934 | align 4 |
935 | SOCKET_send_tcp: |
||
936 | |||
3556 | hidnplayr | 937 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 938 | |
939 | push eax |
||
940 | add eax, STREAM_SOCKET.snd |
||
941 | call SOCKET_ring_write |
||
942 | pop eax |
||
943 | |||
944 | mov [esp+32], ecx |
||
3658 | hidnplayr | 945 | mov [eax + SOCKET.errorcode], 0 |
946 | push eax |
||
947 | call TCP_output ; FIXME: this doesnt look pretty, does it? |
||
948 | pop eax |
||
949 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 950 | mov [esp+20], eax |
3545 | hidnplayr | 951 | ret |
952 | |||
953 | |||
954 | align 4 |
||
955 | SOCKET_send_ip: |
||
956 | |||
3556 | hidnplayr | 957 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 958 | |
959 | mov [esp+32], ecx |
||
3658 | hidnplayr | 960 | call IPv4_output_raw ; FIXME: IPv4_output_raw should return error codes! |
3545 | hidnplayr | 961 | cmp eax, -1 |
3658 | hidnplayr | 962 | je .error |
3545 | hidnplayr | 963 | ret |
964 | |||
3658 | hidnplayr | 965 | .error: |
966 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 967 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 968 | ret |
3545 | hidnplayr | 969 | |
3658 | hidnplayr | 970 | |
3545 | hidnplayr | 971 | align 4 |
972 | SOCKET_send_icmp: |
||
973 | |||
3556 | hidnplayr | 974 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 975 | |
976 | mov [esp+32], ecx |
||
3658 | hidnplayr | 977 | call ICMP_output_raw ; FIXME: errorcodes |
3545 | hidnplayr | 978 | cmp eax, -1 |
3658 | hidnplayr | 979 | je .error |
3545 | hidnplayr | 980 | ret |
981 | |||
3658 | hidnplayr | 982 | .error: |
983 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 984 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 985 | ret |
3545 | hidnplayr | 986 | |
3658 | hidnplayr | 987 | |
3545 | hidnplayr | 988 | align 4 |
989 | SOCKET_send_pppoe: |
||
990 | |||
3556 | hidnplayr | 991 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 992 | |
993 | mov [esp+32], ecx |
||
994 | mov ebx, [eax + SOCKET.device] |
||
995 | |||
3658 | hidnplayr | 996 | call PPPoE_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 997 | cmp eax, -1 |
3658 | hidnplayr | 998 | je .error |
3545 | hidnplayr | 999 | ret |
1000 | |||
3658 | hidnplayr | 1001 | .error: |
1002 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1003 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1004 | ret |
3545 | hidnplayr | 1005 | |
1006 | |||
3658 | hidnplayr | 1007 | |
3545 | hidnplayr | 1008 | align 4 |
1009 | SOCKET_send_local: |
||
1010 | |||
1011 | ; does this socket have a PID yet? |
||
1012 | cmp [eax + SOCKET.PID], 0 |
||
1013 | jne @f |
||
1014 | |||
1015 | ; Change PID to that of current process |
||
1016 | mov ebx, [TASK_BASE] |
||
1017 | mov ebx, [ebx + TASKDATA.pid] |
||
1018 | mov [eax + SOCKET.PID], ebx |
||
1019 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1020 | @@: |
||
1021 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1022 | |||
1023 | align 4 |
||
1024 | SOCKET_send_local_: |
||
1025 | |||
3556 | hidnplayr | 1026 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1027 | |
1028 | ; get the other side's socket and check if it still exists |
||
1029 | mov eax, [eax + SOCKET.device] |
||
1030 | call SOCKET_check |
||
3658 | hidnplayr | 1031 | jz .invalid |
3545 | hidnplayr | 1032 | |
1033 | ; allright, shove in the data! |
||
1034 | push eax |
||
1035 | add eax, STREAM_SOCKET.rcv |
||
1036 | call SOCKET_ring_write |
||
1037 | pop eax |
||
1038 | |||
1039 | ; return the number of written bytes (or errorcode) to application |
||
1040 | mov [esp+32], ecx |
||
1041 | |||
1042 | ; and notify the other end |
||
1043 | call SOCKET_notify |
||
1044 | |||
1045 | ret |
||
1046 | |||
3658 | hidnplayr | 1047 | .invalid: |
1048 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1049 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1050 | ret |
3545 | hidnplayr | 1051 | |
3658 | hidnplayr | 1052 | |
3545 | hidnplayr | 1053 | ;----------------------------------------------------------------- |
1054 | ; |
||
1055 | ; SOCKET_get_options |
||
1056 | ; |
||
1057 | ; IN: ecx = socket number |
||
1058 | ; edx = pointer to the options: |
||
1059 | ; dd level, optname, optval, optlen |
||
1060 | ; OUT: -1 on error |
||
1061 | ; |
||
1062 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1063 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1064 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1065 | ; |
||
1066 | ;----------------------------------------------------------------- |
||
1067 | align 4 |
||
1068 | SOCKET_get_opt: |
||
1069 | |||
3556 | hidnplayr | 1070 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1071 | |
1072 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1073 | jz .invalid |
3545 | hidnplayr | 1074 | |
1075 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1076 | jne .invalid |
3545 | hidnplayr | 1077 | cmp dword [edx+4], -2 |
1078 | je @f |
||
1079 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1080 | jne .invalid |
3545 | hidnplayr | 1081 | @@: |
1082 | ; mov eax, [edx+12] |
||
1083 | ; test eax, eax |
||
1084 | ; jz .fail |
||
1085 | ; cmp dword [eax], 4 |
||
1086 | ; mov dword [eax], 4 |
||
1087 | ; jb .fail |
||
1088 | ; stdcall net_socket_num_to_addr, ecx |
||
1089 | ; test eax, eax |
||
1090 | ; jz .fail |
||
1091 | ; ; todo: check that eax is really TCP socket |
||
1092 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1093 | ; cmp dword [edx+4], -2 |
||
1094 | ; jz @f |
||
1095 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1096 | @@: |
||
1097 | mov eax, [edx+8] |
||
1098 | test eax, eax |
||
1099 | jz @f |
||
1100 | mov [eax], ecx |
||
1101 | @@: |
||
1102 | mov dword [esp+32], 0 |
||
1103 | ret |
||
1104 | |||
3658 | hidnplayr | 1105 | .invalid: |
1106 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1107 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1108 | ret |
3545 | hidnplayr | 1109 | |
1110 | |||
3658 | hidnplayr | 1111 | |
3545 | hidnplayr | 1112 | ;----------------------------------------------------------------- |
1113 | ; |
||
1114 | ; SOCKET_set_options |
||
1115 | ; |
||
1116 | ; IN: ecx = socket number |
||
1117 | ; edx = pointer to the options: |
||
1118 | ; dd level, optname, optlen, optval |
||
1119 | ; OUT: -1 on error |
||
1120 | ; |
||
1121 | ;----------------------------------------------------------------- |
||
1122 | align 4 |
||
1123 | SOCKET_set_opt: |
||
1124 | |||
3556 | hidnplayr | 1125 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1126 | |
1127 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1128 | jz .invalid |
3545 | hidnplayr | 1129 | |
1130 | cmp dword [edx], SOL_SOCKET |
||
3658 | hidnplayr | 1131 | jne .invalid |
3545 | hidnplayr | 1132 | |
1133 | cmp dword [edx+4], SO_BINDTODEVICE |
||
1134 | je .bind |
||
1135 | |||
3658 | hidnplayr | 1136 | .invalid: |
1137 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1138 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1139 | ret |
3545 | hidnplayr | 1140 | |
1141 | .bind: |
||
3658 | hidnplayr | 1142 | cmp dword[edx+8], 0 |
3545 | hidnplayr | 1143 | je .unbind |
1144 | |||
3658 | hidnplayr | 1145 | movzx edx, byte[edx + 9] |
3600 | hidnplayr | 1146 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1147 | ja .invalid |
3545 | hidnplayr | 1148 | |
1149 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1150 | test edx, edx |
||
3658 | hidnplayr | 1151 | jz .already |
3545 | hidnplayr | 1152 | mov [eax + SOCKET.device], edx |
1153 | |||
3556 | hidnplayr | 1154 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
3545 | hidnplayr | 1155 | |
3658 | hidnplayr | 1156 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1157 | ret |
1158 | |||
1159 | .unbind: |
||
1160 | mov [eax + SOCKET.device], 0 |
||
1161 | |||
3658 | hidnplayr | 1162 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1163 | ret |
1164 | |||
3658 | hidnplayr | 1165 | .already: |
3673 | hidnplayr | 1166 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1167 | mov dword[esp+32], -1 |
1168 | ret |
||
3545 | hidnplayr | 1169 | |
1170 | |||
3658 | hidnplayr | 1171 | |
1172 | |||
3545 | hidnplayr | 1173 | ;----------------------------------------------------------------- |
1174 | ; |
||
1175 | ; SOCKET_pair |
||
1176 | ; |
||
1177 | ; Allocates a pair of linked LOCAL domain sockets |
||
1178 | ; |
||
1179 | ; IN: / |
||
1180 | ; OUT: eax is socket1 num, -1 on error |
||
1181 | ; ebx is socket2 num |
||
1182 | ; |
||
1183 | ;----------------------------------------------------------------- |
||
1184 | align 4 |
||
1185 | SOCKET_pair: |
||
1186 | |||
3556 | hidnplayr | 1187 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1188 | |
1189 | call SOCKET_alloc |
||
3658 | hidnplayr | 1190 | jz .nomem1 |
3545 | hidnplayr | 1191 | mov [esp+32], edi ; application's eax |
1192 | |||
1193 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1194 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1195 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1196 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1197 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1198 | mov [eax + SOCKET.PID], 0 |
||
1199 | mov ebx, eax |
||
1200 | |||
1201 | call SOCKET_alloc |
||
3658 | hidnplayr | 1202 | jz .nomem2 |
3673 | hidnplayr | 1203 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1204 | |
1205 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1206 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1207 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1208 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1209 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1210 | mov [eax + SOCKET.PID], 0 |
||
1211 | |||
1212 | ; Link the two sockets to eachother |
||
1213 | mov [eax + SOCKET.device], ebx |
||
1214 | mov [ebx + SOCKET.device], eax |
||
1215 | |||
1216 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1217 | call SOCKET_ring_create |
||
1218 | |||
1219 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1220 | call SOCKET_ring_create |
||
1221 | pop eax |
||
1222 | |||
1223 | ret |
||
1224 | |||
3658 | hidnplayr | 1225 | .nomem2: |
3545 | hidnplayr | 1226 | mov eax, ebx |
1227 | call SOCKET_free |
||
3658 | hidnplayr | 1228 | .nomem1: |
1229 | mov dword[esp+32], -1 |
||
1230 | mov dword[esp+28], ENOMEM |
||
1231 | ret |
||
3545 | hidnplayr | 1232 | |
1233 | |||
1234 | |||
1235 | ;----------------------------------------------------------------- |
||
1236 | ; |
||
1237 | ; SOCKET_debug |
||
1238 | ; |
||
1239 | ; Copies socket variables to application buffer |
||
1240 | ; |
||
1241 | ; IN: ecx = socket number |
||
1242 | ; edx = pointer to buffer |
||
1243 | ; |
||
1244 | ; OUT: -1 on error |
||
1245 | ;----------------------------------------------------------------- |
||
1246 | align 4 |
||
1247 | SOCKET_debug: |
||
1248 | |||
3556 | hidnplayr | 1249 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1250 | |
1251 | mov edi, edx |
||
1252 | |||
1253 | test ecx, ecx |
||
1254 | jz .returnall |
||
1255 | |||
1256 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1257 | jz .invalid |
3545 | hidnplayr | 1258 | |
1259 | mov esi, eax |
||
1260 | mov ecx, SOCKETBUFFSIZE/4 |
||
3711 | clevermous | 1261 | rep movsd |
3545 | hidnplayr | 1262 | |
3658 | hidnplayr | 1263 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1264 | ret |
1265 | |||
1266 | .returnall: |
||
1267 | mov ebx, net_sockets |
||
1268 | .next_socket: |
||
1269 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1270 | test ebx, ebx |
||
1271 | jz .done |
||
1272 | mov eax, [ebx + SOCKET.Number] |
||
1273 | stosd |
||
1274 | jmp .next_socket |
||
1275 | .done: |
||
1276 | xor eax, eax |
||
1277 | stosd |
||
3658 | hidnplayr | 1278 | mov dword[esp+32], eax |
1279 | ret |
||
3545 | hidnplayr | 1280 | |
3658 | hidnplayr | 1281 | .invalid: |
1282 | mov dword[esp+32], -1 |
||
1283 | mov dword[esp+28], EINVAL |
||
3545 | hidnplayr | 1284 | ret |
1285 | |||
1286 | |||
1287 | ;----------------------------------------------------------------- |
||
1288 | ; |
||
1289 | ; SOCKET_find_port |
||
1290 | ; |
||
1291 | ; Fills in the local port number for TCP and UDP sockets |
||
1292 | ; This procedure always works because the number of sockets is |
||
1293 | ; limited to a smaller number then the number of possible ports |
||
1294 | ; |
||
1295 | ; IN: eax = socket pointer |
||
1296 | ; OUT: / |
||
1297 | ; |
||
1298 | ;----------------------------------------------------------------- |
||
1299 | align 4 |
||
1300 | SOCKET_find_port: |
||
1301 | |||
3556 | hidnplayr | 1302 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1303 | |
1304 | push ebx esi ecx |
||
1305 | |||
1306 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1307 | je .udp |
||
1308 | |||
1309 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1310 | je .tcp |
||
1311 | |||
1312 | pop ecx esi ebx |
||
1313 | ret |
||
1314 | |||
1315 | .udp: |
||
1316 | mov bx, [last_UDP_port] |
||
1317 | call .findit |
||
1318 | mov [last_UDP_port], bx |
||
1319 | |||
1320 | pop ecx esi ebx |
||
1321 | ret |
||
1322 | |||
1323 | .tcp: |
||
1324 | mov bx, [last_TCP_port] |
||
1325 | call .findit |
||
1326 | mov [last_TCP_port], bx |
||
1327 | |||
1328 | pop ecx esi ebx |
||
1329 | ret |
||
1330 | |||
1331 | |||
1332 | .restart: |
||
1333 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1334 | .findit: |
||
1335 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1336 | je .restart |
||
1337 | |||
1338 | add bh, 1 |
||
1339 | adc bl, 0 |
||
1340 | |||
1341 | call SOCKET_check_port |
||
1342 | jz .findit |
||
1343 | ret |
||
1344 | |||
1345 | |||
1346 | |||
1347 | ;----------------------------------------------------------------- |
||
1348 | ; |
||
1349 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1350 | ; |
||
1351 | ; Checks if a local port number is unused |
||
1352 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1353 | ; |
||
1354 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1355 | ; bx = proposed socket number (network byte order) |
||
1356 | ; |
||
1357 | ; OUT: ZF = set on error |
||
1358 | ; |
||
1359 | ;----------------------------------------------------------------- |
||
1360 | align 4 |
||
1361 | SOCKET_check_port: |
||
1362 | |||
3556 | hidnplayr | 1363 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1364 | |
3647 | hidnplayr | 1365 | pusha |
1366 | mov ecx, socket_mutex |
||
1367 | call mutex_lock |
||
1368 | popa |
||
1369 | |||
3545 | hidnplayr | 1370 | mov ecx, [eax + SOCKET.Protocol] |
1371 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1372 | mov esi, net_sockets |
||
1373 | |||
1374 | .next_socket: |
||
1375 | mov esi, [esi + SOCKET.NextPtr] |
||
1376 | or esi, esi |
||
1377 | jz .port_ok |
||
1378 | |||
1379 | cmp [esi + SOCKET.Protocol], ecx |
||
1380 | jne .next_socket |
||
1381 | |||
1382 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1383 | jne .next_socket |
||
1384 | |||
1385 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1386 | jne .next_socket |
||
1387 | |||
3647 | hidnplayr | 1388 | pusha |
1389 | mov ecx, socket_mutex |
||
1390 | call mutex_unlock |
||
1391 | popa |
||
1392 | |||
3556 | hidnplayr | 1393 | 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 | 1394 | ret |
1395 | |||
1396 | .port_ok: |
||
3647 | hidnplayr | 1397 | pusha |
1398 | mov ecx, socket_mutex |
||
1399 | call mutex_unlock |
||
1400 | popa |
||
1401 | |||
3556 | hidnplayr | 1402 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1403 | mov [eax + UDP_SOCKET.LocalPort], bx |
1404 | or bx, bx ; clear the zero-flag |
||
1405 | ret |
||
1406 | |||
1407 | |||
1408 | |||
1409 | ;----------------------------------------------------------------- |
||
1410 | ; |
||
1411 | ; SOCKET_input |
||
1412 | ; |
||
1413 | ; Updates a (stateless) socket with received data |
||
1414 | ; |
||
1415 | ; Note: the mutex should already be set ! |
||
1416 | ; |
||
1417 | ; IN: eax = socket ptr |
||
1418 | ; ecx = data size |
||
1419 | ; esi = ptr to data |
||
1420 | ; [esp] = ptr to buf |
||
1421 | ; [esp + 4] = buf size |
||
1422 | ; |
||
1423 | ; OUT: / |
||
1424 | ; |
||
1425 | ;----------------------------------------------------------------- |
||
1426 | align 4 |
||
1427 | SOCKET_input: |
||
1428 | |||
3556 | hidnplayr | 1429 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1430 | |
1431 | mov [esp+4], ecx |
||
1432 | push esi |
||
1433 | mov esi, esp |
||
1434 | |||
1435 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1436 | |||
3556 | hidnplayr | 1437 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1438 | add esp, sizeof.socket_queue_entry |
1439 | |||
1440 | pusha |
||
1441 | lea ecx, [eax + SOCKET.mutex] |
||
1442 | call mutex_unlock |
||
1443 | popa |
||
1444 | |||
1445 | jmp SOCKET_notify |
||
1446 | |||
1447 | .full: |
||
3556 | hidnplayr | 1448 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1449 | |
1450 | pusha |
||
1451 | lea ecx, [eax + SOCKET.mutex] |
||
1452 | call mutex_unlock |
||
1453 | popa |
||
1454 | |||
3861 | hidnplayr | 1455 | call NET_packet_free |
3545 | hidnplayr | 1456 | add esp, 8 |
1457 | |||
1458 | ret |
||
1459 | |||
1460 | |||
1461 | ;-------------------------- |
||
1462 | ; |
||
1463 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1464 | ; |
||
1465 | align 4 |
||
1466 | SOCKET_ring_create: |
||
1467 | |||
1468 | push esi |
||
1469 | mov esi, eax |
||
1470 | |||
1471 | push edx |
||
1472 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1473 | pop edx |
||
1474 | |||
3556 | hidnplayr | 1475 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_created: %x\n", eax |
3545 | hidnplayr | 1476 | |
1477 | pusha |
||
1478 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1479 | call mutex_init |
||
1480 | popa |
||
1481 | |||
1482 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1483 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1484 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1485 | mov [esi + RING_BUFFER.size], 0 |
||
1486 | add eax, SOCKET_MAXDATA |
||
1487 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1488 | mov eax, esi |
||
1489 | pop esi |
||
1490 | |||
1491 | ret |
||
1492 | |||
1493 | ;----------------------------------------------------------------- |
||
1494 | ; |
||
1495 | ; SOCKET_ring_write |
||
1496 | ; |
||
1497 | ; Adds data to a stream socket, and updates write pointer and size |
||
1498 | ; |
||
1499 | ; IN: eax = ptr to ring struct |
||
1500 | ; ecx = data size |
||
1501 | ; esi = ptr to data |
||
1502 | ; |
||
1503 | ; OUT: ecx = number of bytes stored |
||
1504 | ; |
||
1505 | ;----------------------------------------------------------------- |
||
1506 | align 4 |
||
1507 | SOCKET_ring_write: |
||
1508 | |||
3556 | hidnplayr | 1509 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1510 | |
1511 | ; lock mutex |
||
1512 | pusha |
||
1513 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1514 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1515 | popa |
||
1516 | |||
1517 | ; calculate available size |
||
1518 | mov edi, SOCKET_MAXDATA |
||
1519 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1520 | cmp ecx, edi |
||
1521 | jbe .copy |
||
1522 | mov ecx, edi |
||
1523 | .copy: |
||
1524 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1525 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1526 | |
1527 | ; update write ptr |
||
1528 | push edi |
||
1529 | add edi, ecx |
||
1530 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1531 | jb @f |
||
1532 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1533 | @@: |
||
1534 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1535 | pop edi |
||
1536 | |||
1537 | ; update size |
||
1538 | add [eax + RING_BUFFER.size], ecx |
||
1539 | |||
1540 | ; copy the data |
||
1541 | push ecx |
||
1542 | shr ecx, 1 |
||
1543 | jnc .nb |
||
1544 | movsb |
||
1545 | .nb: |
||
1546 | shr ecx, 1 |
||
1547 | jnc .nw |
||
1548 | movsw |
||
1549 | .nw: |
||
1550 | test ecx, ecx |
||
1551 | jz .nd |
||
3711 | clevermous | 1552 | rep movsd |
3545 | hidnplayr | 1553 | .nd: |
1554 | pop ecx |
||
1555 | |||
1556 | ; unlock mutex |
||
4344 | hidnplayr | 1557 | pusha |
3545 | hidnplayr | 1558 | lea ecx, [eax + RING_BUFFER.mutex] |
1559 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1560 | popa |
3545 | hidnplayr | 1561 | |
1562 | ret |
||
1563 | |||
1564 | ;----------------------------------------------------------------- |
||
1565 | ; |
||
1566 | ; SOCKET_ring_read |
||
1567 | ; |
||
1568 | ; IN: eax = ring struct ptr |
||
1569 | ; ecx = bytes to read |
||
1570 | ; edx = offset |
||
1571 | ; edi = ptr to buffer start |
||
1572 | ; |
||
1573 | ; OUT: eax = unchanged |
||
1574 | ; ecx = number of bytes read (0 on error) |
||
1575 | ; edx = destroyed |
||
1576 | ; esi = destroyed |
||
1577 | ; edi = ptr to buffer end |
||
1578 | ; |
||
1579 | ;----------------------------------------------------------------- |
||
1580 | align 4 |
||
1581 | SOCKET_ring_read: |
||
1582 | |||
3556 | hidnplayr | 1583 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1584 | |
1585 | pusha |
||
1586 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1587 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1588 | popa |
||
1589 | |||
1590 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1591 | add esi, edx ; esi = start_ptr + offset |
||
1592 | |||
1593 | neg edx |
||
1594 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1595 | jle .no_data_at_all |
||
1596 | |||
1597 | pusha |
||
1598 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1599 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1600 | popa |
||
1601 | |||
1602 | cmp ecx, edx |
||
1603 | ja .less_data |
||
1604 | |||
1605 | .copy: |
||
3556 | hidnplayr | 1606 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1607 | push ecx |
1608 | shr ecx, 1 |
||
1609 | jnc .nb |
||
1610 | movsb |
||
1611 | .nb: |
||
1612 | shr ecx, 1 |
||
1613 | jnc .nw |
||
1614 | movsw |
||
1615 | .nw: |
||
1616 | test ecx, ecx |
||
1617 | jz .nd |
||
3711 | clevermous | 1618 | rep movsd |
3545 | hidnplayr | 1619 | .nd: |
1620 | pop ecx |
||
1621 | ret |
||
1622 | |||
1623 | .no_data_at_all: |
||
1624 | pusha |
||
1625 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1626 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1627 | popa |
||
1628 | |||
3556 | hidnplayr | 1629 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1630 | xor ecx, ecx |
1631 | ret |
||
1632 | |||
1633 | .less_data: |
||
1634 | mov ecx, edx |
||
1635 | jmp .copy |
||
1636 | |||
1637 | |||
1638 | ;----------------------------------------------------------------- |
||
1639 | ; |
||
1640 | ; SOCKET_ring_free |
||
1641 | ; |
||
1642 | ; Free's some bytes from the ringbuffer |
||
1643 | ; |
||
1644 | ; IN: eax = ptr to ring struct |
||
1645 | ; ecx = data size |
||
1646 | ; |
||
1647 | ; OUT: ecx = number of bytes free-ed |
||
1648 | ; |
||
1649 | ;----------------------------------------------------------------- |
||
1650 | align 4 |
||
1651 | SOCKET_ring_free: |
||
1652 | |||
3556 | hidnplayr | 1653 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1654 | |
1655 | push eax ecx |
||
1656 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1657 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1658 | pop ecx eax |
||
1659 | |||
1660 | sub [eax + RING_BUFFER.size], ecx |
||
1661 | jb .error |
||
1662 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1663 | |||
1664 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1665 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1666 | jb @f |
||
1667 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1668 | @@: |
||
1669 | |||
1670 | push eax ecx |
||
1671 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1672 | call mutex_unlock |
||
1673 | pop ecx eax |
||
1674 | |||
1675 | ret |
||
1676 | |||
1677 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1678 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1679 | add [eax + RING_BUFFER.size], ecx |
1680 | |||
1681 | push eax |
||
1682 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1683 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1684 | pop eax |
||
1685 | |||
1686 | xor ecx, ecx |
||
1687 | ret |
||
1688 | |||
1689 | |||
1690 | ;----------------------------------------------------------------- |
||
1691 | ; |
||
1692 | ; SOCKET_block |
||
1693 | ; |
||
1694 | ; Suspends the thread attached to a socket |
||
1695 | ; |
||
1696 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1697 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1698 | ; |
1699 | ;----------------------------------------------------------------- |
||
1700 | align 4 |
||
1701 | SOCKET_block: |
||
1702 | |||
3556 | hidnplayr | 1703 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1704 | |
1705 | pushf |
||
3674 | hidnplayr | 1706 | push eax |
3545 | hidnplayr | 1707 | cli |
1708 | |||
1709 | ; Set the 'socket is blocked' flag |
||
1710 | or [eax + SOCKET.state], SS_BLOCKED |
||
1711 | |||
1712 | ; Suspend the thread |
||
1713 | push edx |
||
1714 | mov edx, [TASK_BASE] |
||
1715 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1716 | |||
1717 | ; Remember the thread ID so we can wake it up again |
||
1718 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1719 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1720 | mov [eax + SOCKET.TID], edx |
1721 | pop edx |
||
1722 | |||
1723 | call change_task |
||
3674 | hidnplayr | 1724 | pop eax |
3545 | hidnplayr | 1725 | popf |
1726 | |||
3556 | hidnplayr | 1727 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n" |
3545 | hidnplayr | 1728 | |
1729 | ret |
||
1730 | |||
1731 | |||
1732 | ;----------------------------------------------------------------- |
||
1733 | ; |
||
1734 | ; SOCKET_notify |
||
1735 | ; |
||
1736 | ; notify's the owner of a socket that something happened |
||
1737 | ; |
||
1738 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1739 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1740 | ; |
1741 | ;----------------------------------------------------------------- |
||
1742 | align 4 |
||
1743 | SOCKET_notify: |
||
1744 | |||
3556 | hidnplayr | 1745 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1746 | |
1747 | call SOCKET_check |
||
1748 | jz .error |
||
1749 | |||
1750 | test [eax + SOCKET.state], SS_BLOCKED |
||
1751 | jnz .unblock |
||
1752 | |||
3704 | hidnplayr | 1753 | ; test [eax + SOCKET.options], SO_NONBLOCK |
1754 | ; jz .error |
||
3545 | hidnplayr | 1755 | |
1756 | push eax ecx esi |
||
1757 | |||
1758 | ; socket exists and is of non blocking type. |
||
1759 | ; We'll try to flag an event to the thread |
||
1760 | |||
1761 | mov eax, [eax + SOCKET.TID] |
||
1762 | test eax, eax |
||
1763 | jz .done |
||
1764 | mov ecx, 1 |
||
1765 | mov esi, TASK_DATA + TASKDATA.pid |
||
1766 | |||
1767 | .next_pid: |
||
1768 | cmp [esi], eax |
||
1769 | je .found_pid |
||
1770 | inc ecx |
||
1771 | add esi, 0x20 |
||
1772 | cmp ecx, [TASK_COUNT] |
||
1773 | jbe .next_pid |
||
1774 | ; PID not found, TODO: close socket! |
||
1775 | jmp .done |
||
1776 | |||
1777 | .found_pid: |
||
1778 | shl ecx, 8 |
||
1779 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1780 | |||
3817 | hidnplayr | 1781 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", eax |
3545 | hidnplayr | 1782 | jmp .done |
1783 | |||
1784 | .unblock: |
||
1785 | push eax ecx esi |
||
1786 | ; Clear the 'socket is blocked' flag |
||
1787 | and [eax + SOCKET.state], not SS_BLOCKED |
||
1788 | |||
1789 | ; Find the thread's TASK_DATA |
||
1790 | mov eax, [eax + SOCKET.TID] |
||
1791 | test eax, eax |
||
1792 | jz .error |
||
1793 | xor ecx, ecx |
||
1794 | inc ecx |
||
1795 | mov esi, TASK_DATA |
||
1796 | .next: |
||
1797 | cmp [esi + TASKDATA.pid], eax |
||
1798 | je .found |
||
1799 | inc ecx |
||
1800 | add esi, 0x20 |
||
1801 | cmp ecx, [TASK_COUNT] |
||
1802 | jbe .next |
||
1803 | jmp .error |
||
1804 | .found: |
||
1805 | |||
1806 | ; Run the thread |
||
1807 | mov [esi + TASKDATA.state], 0 ; Running |
||
3556 | hidnplayr | 1808 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
3545 | hidnplayr | 1809 | |
1810 | .done: |
||
1811 | pop esi ecx eax |
||
1812 | |||
1813 | .error: |
||
1814 | ret |
||
1815 | |||
1816 | |||
1817 | ;-------------------------------------------------------------------- |
||
1818 | ; |
||
1819 | ; SOCKET_alloc |
||
1820 | ; |
||
1821 | ; Allocate memory for socket data and put new socket into the list |
||
1822 | ; Newly created socket is initialized with calling PID and number and |
||
1823 | ; put into beginning of list (which is a fastest way). |
||
1824 | ; |
||
1825 | ; IN: / |
||
1826 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1827 | ; edi = socket number |
||
1828 | ; ZF = cleared on error |
||
1829 | ; |
||
1830 | ;-------------------------------------------------------------------- |
||
1831 | align 4 |
||
1832 | SOCKET_alloc: |
||
1833 | |||
1834 | push ebx |
||
1835 | |||
1836 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
3556 | hidnplayr | 1837 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1838 | or eax, eax |
1839 | jz .exit |
||
1840 | |||
1841 | ; zero-initialize allocated memory |
||
1842 | push eax |
||
1843 | mov edi, eax |
||
1844 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1845 | xor eax, eax |
||
3711 | clevermous | 1846 | rep stosd |
3545 | hidnplayr | 1847 | pop eax |
1848 | |||
1849 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1850 | mov [eax + SOCKET.snd_proc], .not_yet |
1851 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1852 | |
3647 | hidnplayr | 1853 | pusha |
1854 | mov ecx, socket_mutex |
||
1855 | call mutex_lock |
||
1856 | popa |
||
1857 | |||
3545 | hidnplayr | 1858 | ; find first free socket number and use it |
1859 | mov edi, [last_socket_num] |
||
1860 | .next_socket_number: |
||
1861 | inc edi |
||
1862 | jz .next_socket_number ; avoid socket nr 0 |
||
1863 | cmp edi, -1 |
||
1864 | je .next_socket_number ; avoid socket nr -1 |
||
1865 | mov ebx, net_sockets |
||
1866 | .next_socket: |
||
1867 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1868 | test ebx, ebx |
||
1869 | jz .last_socket |
||
1870 | |||
1871 | cmp [ebx + SOCKET.Number], edi |
||
1872 | jne .next_socket |
||
1873 | jmp .next_socket_number |
||
1874 | |||
1875 | .last_socket: |
||
1876 | mov [last_socket_num], edi |
||
1877 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1878 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1879 | |
1880 | ; Fill in PID |
||
1881 | mov ebx, [TASK_BASE] |
||
1882 | mov ebx, [ebx + TASKDATA.pid] |
||
1883 | mov [eax + SOCKET.PID], ebx |
||
1884 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1885 | |||
1886 | ; init mutex |
||
1887 | pusha |
||
1888 | lea ecx, [eax + SOCKET.mutex] |
||
1889 | call mutex_init |
||
1890 | popa |
||
1891 | |||
1892 | ; add socket to the list by re-arranging some pointers |
||
1893 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
1894 | |||
1895 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
1896 | mov [eax + SOCKET.NextPtr], ebx |
||
1897 | |||
1898 | test ebx, ebx |
||
1899 | jz @f |
||
1900 | |||
1901 | pusha |
||
1902 | lea ecx, [ebx + SOCKET.mutex] |
||
1903 | call mutex_lock |
||
1904 | popa |
||
1905 | |||
1906 | mov [ebx + SOCKET.PrevPtr], eax |
||
1907 | |||
1908 | pusha |
||
1909 | lea ecx, [ebx + SOCKET.mutex] |
||
1910 | call mutex_unlock |
||
1911 | popa |
||
1912 | @@: |
||
1913 | |||
1914 | mov [net_sockets + SOCKET.NextPtr], eax |
||
1915 | or eax, eax ; used to clear zero flag |
||
3647 | hidnplayr | 1916 | |
1917 | pusha |
||
1918 | mov ecx, socket_mutex |
||
1919 | call mutex_unlock |
||
1920 | popa |
||
1921 | |||
3545 | hidnplayr | 1922 | .exit: |
1923 | pop ebx |
||
1924 | |||
1925 | ret |
||
1926 | |||
3658 | hidnplayr | 1927 | .not_yet: |
3673 | hidnplayr | 1928 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 1929 | mov dword[esp+32], -1 |
1930 | ret |
||
3545 | hidnplayr | 1931 | |
3658 | hidnplayr | 1932 | |
3545 | hidnplayr | 1933 | ;---------------------------------------------------- |
1934 | ; |
||
1935 | ; SOCKET_free |
||
1936 | ; |
||
1937 | ; Free socket data memory and remove socket from the list |
||
3884 | hidnplayr | 1938 | ; Caller should lock and unlock socket_mutex |
3545 | hidnplayr | 1939 | ; |
1940 | ; IN: eax = socket ptr |
||
1941 | ; OUT: / |
||
1942 | ; |
||
1943 | ;---------------------------------------------------- |
||
1944 | align 4 |
||
1945 | SOCKET_free: |
||
1946 | |||
3556 | hidnplayr | 1947 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 1948 | |
1949 | call SOCKET_check |
||
1950 | jz .error |
||
1951 | |||
1952 | push ebx |
||
1953 | |||
1954 | pusha |
||
1955 | lea ecx, [eax + SOCKET.mutex] |
||
1956 | call mutex_lock |
||
1957 | popa |
||
1958 | |||
1959 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
1960 | jnz .no_tcp |
||
1961 | |||
1962 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1963 | jnz .no_tcp |
||
1964 | |||
1965 | mov ebx, eax |
||
1966 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
1967 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
1968 | mov eax, ebx |
||
1969 | .no_tcp: |
||
1970 | |||
3652 | hidnplayr | 1971 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 1972 | push eax ; this will be passed to kernel_free |
1973 | mov ebx, [eax + SOCKET.NextPtr] |
||
1974 | mov eax, [eax + SOCKET.PrevPtr] |
||
1975 | |||
3556 | hidnplayr | 1976 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 1977 | |
1978 | test eax, eax |
||
1979 | jz @f |
||
1980 | mov [eax + SOCKET.NextPtr], ebx |
||
1981 | @@: |
||
1982 | |||
1983 | test ebx, ebx |
||
1984 | jz @f |
||
1985 | mov [ebx + SOCKET.PrevPtr], eax |
||
1986 | @@: |
||
1987 | |||
1988 | call kernel_free |
||
1989 | pop ebx |
||
1990 | |||
3652 | hidnplayr | 1991 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
1992 | |||
1993 | .error: |
||
3545 | hidnplayr | 1994 | ret |
1995 | |||
1996 | ;------------------------------------ |
||
1997 | ; |
||
1998 | ; SOCKET_fork |
||
1999 | ; |
||
2000 | ; Create a child socket |
||
2001 | ; |
||
2002 | ; IN: socket nr in ebx |
||
2003 | ; OUT: child socket nr in eax |
||
2004 | ; |
||
2005 | ;----------------------------------- |
||
2006 | align 4 |
||
2007 | SOCKET_fork: |
||
2008 | |||
3556 | hidnplayr | 2009 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2010 | |
2011 | ; Exit if backlog queue is full |
||
2012 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2013 | cmp ax, [ebx + SOCKET.backlog] |
||
2014 | jae .fail |
||
2015 | |||
2016 | ; Allocate new socket |
||
2017 | push ebx |
||
2018 | call SOCKET_alloc |
||
2019 | pop ebx |
||
2020 | jz .fail |
||
2021 | |||
2022 | push eax |
||
2023 | mov esi, esp |
||
2024 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2025 | pop eax |
||
2026 | |||
2027 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2028 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2029 | ; TID will be filled in later |
||
3545 | hidnplayr | 2030 | lea esi, [ebx + SOCKET.PID] |
2031 | lea edi, [eax + SOCKET.PID] |
||
2032 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2033 | rep movsd |
3545 | hidnplayr | 2034 | |
2035 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2036 | |||
3817 | hidnplayr | 2037 | ; Notify owner of parent socket |
2038 | push eax |
||
2039 | mov eax, ebx |
||
2040 | call SOCKET_notify |
||
2041 | pop eax |
||
2042 | |||
3545 | hidnplayr | 2043 | ret |
2044 | |||
2045 | .fail2: |
||
2046 | add esp, 4+4+4 |
||
2047 | .fail: |
||
3556 | hidnplayr | 2048 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2049 | xor eax, eax |
2050 | ret |
||
2051 | |||
2052 | |||
2053 | ;--------------------------------------------------- |
||
2054 | ; |
||
2055 | ; SOCKET_num_to_ptr |
||
2056 | ; |
||
2057 | ; Get socket structure address by its number |
||
2058 | ; |
||
2059 | ; IN: ecx = socket number |
||
2060 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2061 | ; ZF = set on error |
||
2062 | ; |
||
2063 | ;--------------------------------------------------- |
||
2064 | align 4 |
||
2065 | SOCKET_num_to_ptr: |
||
2066 | |||
3556 | hidnplayr | 2067 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2068 | |
3647 | hidnplayr | 2069 | pusha |
2070 | mov ecx, socket_mutex |
||
2071 | call mutex_lock |
||
2072 | popa |
||
2073 | |||
3545 | hidnplayr | 2074 | mov eax, net_sockets |
2075 | |||
2076 | .next_socket: |
||
2077 | mov eax, [eax + SOCKET.NextPtr] |
||
2078 | or eax, eax |
||
2079 | jz .error |
||
2080 | cmp [eax + SOCKET.Number], ecx |
||
2081 | jne .next_socket |
||
2082 | |||
2083 | test eax, eax |
||
2084 | |||
3647 | hidnplayr | 2085 | pusha |
2086 | mov ecx, socket_mutex |
||
2087 | call mutex_unlock |
||
2088 | popa |
||
2089 | |||
3556 | hidnplayr | 2090 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2091 | ret |
2092 | |||
2093 | .error: |
||
3647 | hidnplayr | 2094 | pusha |
2095 | mov ecx, socket_mutex |
||
2096 | call mutex_unlock |
||
2097 | popa |
||
2098 | |||
3637 | hidnplayr | 2099 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: not found\n", eax |
3545 | hidnplayr | 2100 | ret |
2101 | |||
2102 | |||
2103 | ;--------------------------------------------------- |
||
2104 | ; |
||
2105 | ; SOCKET_ptr_to_num |
||
2106 | ; |
||
2107 | ; Get socket number by its address |
||
2108 | ; |
||
2109 | ; IN: eax = socket ptr |
||
2110 | ; OUT: eax = 0 on error, socket num otherwise |
||
2111 | ; ZF = set on error |
||
2112 | ; |
||
2113 | ;--------------------------------------------------- |
||
2114 | align 4 |
||
2115 | SOCKET_ptr_to_num: |
||
2116 | |||
3556 | hidnplayr | 2117 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2118 | |
2119 | call SOCKET_check |
||
2120 | jz .error |
||
2121 | |||
2122 | mov eax, [eax + SOCKET.Number] |
||
2123 | |||
3556 | hidnplayr | 2124 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2125 | ret |
2126 | |||
2127 | .error: |
||
3556 | hidnplayr | 2128 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2129 | ret |
2130 | |||
2131 | |||
2132 | ;--------------------------------------------------- |
||
2133 | ; |
||
2134 | ; SOCKET_check |
||
2135 | ; |
||
2136 | ; checks if the given value is really a socket ptr |
||
2137 | ; |
||
2138 | ; IN: eax = socket ptr |
||
2139 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2140 | ; ZF = set on error |
||
2141 | ; |
||
2142 | ;--------------------------------------------------- |
||
2143 | align 4 |
||
2144 | SOCKET_check: |
||
2145 | |||
3556 | hidnplayr | 2146 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2147 | |
2148 | push ebx |
||
2149 | mov ebx, net_sockets |
||
2150 | |||
2151 | .next_socket: |
||
2152 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2153 | or ebx, ebx |
||
2154 | jz .done |
||
2155 | cmp ebx, eax |
||
2156 | jnz .next_socket |
||
2157 | |||
2158 | .done: |
||
2159 | mov eax, ebx |
||
2160 | test eax, eax |
||
2161 | pop ebx |
||
2162 | |||
2163 | ret |
||
2164 | |||
2165 | |||
2166 | |||
2167 | ;--------------------------------------------------- |
||
2168 | ; |
||
2169 | ; SOCKET_check_owner |
||
2170 | ; |
||
2171 | ; checks if the caller application owns the socket |
||
2172 | ; |
||
2173 | ; IN: eax = socket ptr |
||
2174 | ; OUT: ZF = true/false |
||
2175 | ; |
||
2176 | ;--------------------------------------------------- |
||
2177 | align 4 |
||
2178 | SOCKET_check_owner: |
||
2179 | |||
3556 | hidnplayr | 2180 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2181 | |
2182 | push ebx |
||
2183 | mov ebx, [TASK_BASE] |
||
2184 | mov ebx, [ebx + TASKDATA.pid] |
||
2185 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2186 | pop ebx |
3545 | hidnplayr | 2187 | |
2188 | ret |
||
2189 | |||
2190 | |||
2191 | |||
2192 | |||
2193 | ;------------------------------------------------------ |
||
2194 | ; |
||
2195 | ; SOCKET_process_end |
||
2196 | ; |
||
2197 | ; Kernel calls this function when a certain process ends |
||
2198 | ; This function will check if the process had any open sockets |
||
2199 | ; And update them accordingly |
||
2200 | ; |
||
2201 | ; IN: edx = pid |
||
2202 | ; OUT: / |
||
2203 | ; |
||
2204 | ;------------------------------------------------------ |
||
2205 | align 4 |
||
2206 | SOCKET_process_end: |
||
2207 | |||
4056 | hidnplayr | 2208 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2209 | je .quickret ; nope, exit immediately |
||
2210 | |||
2211 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2212 | |||
3556 | hidnplayr | 2213 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2214 | |
3647 | hidnplayr | 2215 | pusha |
2216 | mov ecx, socket_mutex |
||
2217 | call mutex_lock |
||
2218 | popa |
||
2219 | |||
3545 | hidnplayr | 2220 | push ebx |
2221 | mov ebx, net_sockets |
||
2222 | |||
2223 | .next_socket: |
||
2224 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2225 | .next_socket_test: |
||
2226 | test ebx, ebx |
||
2227 | jz .done |
||
2228 | |||
2229 | cmp [ebx + SOCKET.PID], edx |
||
2230 | jne .next_socket |
||
2231 | |||
3556 | hidnplayr | 2232 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2233 | |
2234 | mov [ebx + SOCKET.PID], 0 |
||
2235 | mov eax, ebx |
||
2236 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2237 | |
3545 | hidnplayr | 2238 | pusha |
3652 | hidnplayr | 2239 | cmp [eax + SOCKET.Domain], AF_INET4 |
2240 | jne .free |
||
2241 | |||
2242 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2243 | jne .free |
||
2244 | |||
2245 | call TCP_close |
||
2246 | jmp .closed |
||
2247 | |||
2248 | .free: |
||
2249 | call SOCKET_free |
||
2250 | |||
2251 | .closed: |
||
3545 | hidnplayr | 2252 | popa |
2253 | jmp .next_socket_test |
||
2254 | |||
2255 | .done: |
||
2256 | pop ebx |
||
2257 | |||
3647 | hidnplayr | 2258 | pusha |
2259 | mov ecx, socket_mutex |
||
2260 | call mutex_unlock |
||
2261 | popa |
||
2262 | |||
4056 | hidnplayr | 2263 | .quickret: |
3545 | hidnplayr | 2264 | ret |
2265 | |||
2266 | |||
2267 | |||
2268 | |||
2269 | ;----------------------------------------------------------------- |
||
2270 | ; |
||
2271 | ; SOCKET_is_connecting |
||
2272 | ; |
||
2273 | ; IN: eax = socket ptr |
||
2274 | ; OUT: / |
||
2275 | ; |
||
2276 | ;----------------------------------------------------------------- |
||
2277 | |||
2278 | align 4 |
||
2279 | SOCKET_is_connecting: |
||
2280 | |||
3556 | hidnplayr | 2281 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2282 | |
4025 | hidnplayr | 2283 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2284 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
3545 | hidnplayr | 2285 | |
4025 | hidnplayr | 2286 | ret |
3545 | hidnplayr | 2287 | |
2288 | |||
2289 | |||
2290 | ;----------------------------------------------------------------- |
||
2291 | ; |
||
2292 | ; SOCKET_is_connected |
||
2293 | ; |
||
2294 | ; IN: eax = socket ptr |
||
2295 | ; OUT: / |
||
2296 | ; |
||
2297 | ;----------------------------------------------------------------- |
||
2298 | |||
2299 | align 4 |
||
2300 | SOCKET_is_connected: |
||
2301 | |||
3556 | hidnplayr | 2302 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2303 | |
3674 | hidnplayr | 2304 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2305 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
3545 | hidnplayr | 2306 | |
2307 | jmp SOCKET_notify |
||
2308 | |||
2309 | |||
2310 | |||
2311 | |||
2312 | ;----------------------------------------------------------------- |
||
2313 | ; |
||
2314 | ; SOCKET_is_disconnecting |
||
2315 | ; |
||
2316 | ; IN: eax = socket ptr |
||
2317 | ; OUT: / |
||
2318 | ; |
||
2319 | ;----------------------------------------------------------------- |
||
2320 | |||
2321 | align 4 |
||
2322 | SOCKET_is_disconnecting: |
||
2323 | |||
3556 | hidnplayr | 2324 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2325 | |
3674 | hidnplayr | 2326 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2327 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2328 | |
2329 | jmp SOCKET_notify |
||
2330 | |||
2331 | |||
2332 | |||
2333 | ;----------------------------------------------------------------- |
||
2334 | ; |
||
2335 | ; SOCKET_is_disconnected |
||
2336 | ; |
||
2337 | ; IN: eax = socket ptr |
||
2338 | ; OUT: / |
||
2339 | ; |
||
2340 | ;----------------------------------------------------------------- |
||
2341 | |||
2342 | align 4 |
||
2343 | SOCKET_is_disconnected: |
||
2344 | |||
3556 | hidnplayr | 2345 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2346 | |
3674 | hidnplayr | 2347 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2348 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2349 | |
2350 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2351 | je .tcp |
||
2352 | |||
2353 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
2354 | je .udp |
||
2355 | |||
2356 | jmp SOCKET_notify |
||
2357 | |||
2358 | .tcp: |
||
2359 | .udp: |
||
2360 | mov [eax + UDP_SOCKET.LocalPort], 0 ; UDP and TCP structs store localport at the same offset |
||
2361 | mov [eax + UDP_SOCKET.RemotePort], 0 |
||
2362 | |||
2363 | jmp SOCKET_notify |
||
2364 | |||
2365 | |||
2366 | ;----------------------------------------------------------------- |
||
2367 | ; |
||
2368 | ; SOCKET_cant_recv_more |
||
2369 | ; |
||
2370 | ; IN: eax = socket ptr |
||
2371 | ; OUT: / |
||
2372 | ; |
||
2373 | ;----------------------------------------------------------------- |
||
2374 | |||
2375 | align 4 |
||
2376 | SOCKET_cant_recv_more: |
||
2377 | |||
3556 | hidnplayr | 2378 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2379 | |
3674 | hidnplayr | 2380 | or [eax + SOCKET.state], SS_CANTRCVMORE |
3545 | hidnplayr | 2381 | |
3565 | hidnplayr | 2382 | call SOCKET_notify |
2383 | |||
3545 | hidnplayr | 2384 | ret |
2385 | |||
2386 | |||
2387 | |||
2388 | ;----------------------------------------------------------------- |
||
2389 | ; |
||
2390 | ; SOCKET_cant_send_more |
||
2391 | ; |
||
2392 | ; IN: eax = socket ptr |
||
2393 | ; OUT: / |
||
2394 | ; |
||
2395 | ;----------------------------------------------------------------- |
||
2396 | |||
2397 | align 4 |
||
2398 | SOCKET_cant_send_more: |
||
2399 | |||
3556 | hidnplayr | 2400 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2401 | |
3674 | hidnplayr | 2402 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2403 | mov [eax + SOCKET.snd_proc], .notconn |
3545 | hidnplayr | 2404 | |
3565 | hidnplayr | 2405 | call SOCKET_notify |
2406 | |||
3658 | hidnplayr | 2407 | ret |
2408 | |||
2409 | .notconn: |
||
3673 | hidnplayr | 2410 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2411 | mov dword[esp+32], -1 |
3545 | hidnplayr | 2412 | ret |