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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5363 | yogev_ezra | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
3545 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
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 | |||
4850 | mario79 | 18 | $Revision: 5969 $ |
3545 | hidnplayr | 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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5842 | hidnplayr | 30 | Domain dd ? ; INET4/INET6/LOCAL/.. |
4365 | hidnplayr | 31 | Type dd ? ; RAW/STREAM/DGRAM |
5842 | hidnplayr | 32 | Protocol dd ? ; UDP/TCP/ARP/ICMP |
3545 | hidnplayr | 33 | errorcode dd ? |
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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5842 | hidnplayr | 50 | ttl db ? |
51 | rb 3 ; align |
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3545 | hidnplayr | 52 | |
53 | ends |
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54 | |||
55 | struct TCP_SOCKET IP_SOCKET |
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56 | |||
57 | LocalPort dw ? ; network byte order |
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58 | RemotePort dw ? ; network byte order |
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59 | |||
60 | t_state dd ? ; TCB state |
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61 | t_rxtshift db ? |
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62 | rb 3 ; align |
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63 | t_rxtcur dd ? |
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64 | t_dupacks dd ? |
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65 | t_maxseg dd ? |
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66 | t_force dd ? |
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67 | t_flags dd ? |
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68 | |||
69 | ;--------------- |
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70 | ; RFC783 page 21 |
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71 | |||
72 | ; send sequence |
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73 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
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74 | SND_NXT dd ? ; next send sequence number to use |
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75 | SND_UP dd ? ; urgent pointer |
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76 | SND_WL1 dd ? ; window minus one |
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77 | SND_WL2 dd ? ; |
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78 | ISS dd ? ; initial send sequence number |
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79 | SND_WND dd ? ; send window |
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80 | |||
81 | ; receive sequence |
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82 | RCV_WND dd ? ; receive window |
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83 | RCV_NXT dd ? ; next receive sequence number to use |
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84 | RCV_UP dd ? ; urgent pointer |
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85 | IRS dd ? ; initial receive sequence number |
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86 | |||
87 | ;--------------------- |
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88 | ; Additional variables |
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89 | |||
90 | ; receive variables |
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91 | RCV_ADV dd ? |
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92 | |||
93 | ; retransmit variables |
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94 | SND_MAX dd ? |
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95 | |||
96 | ; congestion control |
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4339 | hidnplayr | 97 | SND_CWND dd ? ; congestion window |
98 | SND_SSTHRESH dd ? ; slow start threshold |
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3545 | hidnplayr | 99 | |
100 | ;---------------------- |
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101 | ; Transmit timing stuff |
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102 | t_idle dd ? |
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5442 | hidnplayr | 103 | t_rtt dd ? ; round trip time |
3545 | hidnplayr | 104 | t_rtseq dd ? |
5442 | hidnplayr | 105 | t_srtt dd ? ; smoothed round trip time |
3545 | hidnplayr | 106 | t_rttvar dd ? |
107 | t_rttmin dd ? |
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108 | max_sndwnd dd ? |
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109 | |||
110 | ;----------------- |
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111 | ; Out-of-band data |
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112 | t_oobflags dd ? |
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113 | t_iobc dd ? |
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114 | t_softerror dd ? |
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115 | |||
116 | |||
117 | ;--------- |
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118 | ; RFC 1323 ; the order of next 4 elements may not change |
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119 | |||
120 | SND_SCALE db ? |
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121 | RCV_SCALE db ? |
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122 | requested_s_scale db ? |
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123 | request_r_scale db ? |
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124 | |||
125 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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126 | ts_recent_age dd ? |
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127 | last_ack_sent dd ? |
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128 | |||
129 | |||
130 | ;------- |
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131 | ; Timers |
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3600 | hidnplayr | 132 | timer_flags dd ? |
3545 | hidnplayr | 133 | timer_retransmission dd ? ; rexmt |
134 | timer_persist dd ? |
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135 | timer_keepalive dd ? ; keepalive/syn timeout |
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136 | timer_timed_wait dd ? ; also used as 2msl timer |
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4021 | hidnplayr | 137 | timer_connect dd ? |
3545 | hidnplayr | 138 | |
139 | ; extra |
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140 | |||
141 | ts_ecr dd ? ; timestamp echo reply |
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142 | ts_val dd ? |
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143 | |||
144 | seg_next dd ? ; re-assembly queue |
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145 | |||
146 | ends |
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147 | |||
148 | struct UDP_SOCKET IP_SOCKET |
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149 | |||
150 | LocalPort dw ? ; network byte order |
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151 | RemotePort dw ? ; network byte order |
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152 | |||
153 | ends |
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154 | |||
155 | struct RING_BUFFER |
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156 | |||
157 | mutex MUTEX |
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158 | start_ptr dd ? ; Pointer to start of buffer |
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159 | end_ptr dd ? ; pointer to end of buffer |
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160 | read_ptr dd ? ; Read pointer |
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161 | write_ptr dd ? ; Write pointer |
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162 | size dd ? ; Number of bytes buffered |
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163 | |||
164 | ends |
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165 | |||
166 | struct STREAM_SOCKET TCP_SOCKET |
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167 | |||
168 | rcv RING_BUFFER |
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169 | snd RING_BUFFER |
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170 | |||
171 | ends |
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172 | |||
173 | struct socket_queue_entry |
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174 | |||
175 | data_ptr dd ? |
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5522 | hidnplayr | 176 | data_size dd ? |
3545 | hidnplayr | 177 | buf_ptr dd ? |
178 | |||
179 | ends |
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180 | |||
181 | |||
182 | SOCKETBUFFSIZE = 4096 ; in bytes |
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183 | |||
184 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
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185 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
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186 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
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187 | |||
188 | uglobal |
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3698 | hidnplayr | 189 | align 4 |
190 | |||
3545 | hidnplayr | 191 | net_sockets rd 4 |
192 | last_socket_num dd ? |
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193 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
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194 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 195 | socket_mutex MUTEX |
3698 | hidnplayr | 196 | |
3545 | hidnplayr | 197 | endg |
198 | |||
199 | |||
200 | ;----------------------------------------------------------------- |
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201 | ; |
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202 | ; SOCKET_init |
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203 | ; |
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204 | ;----------------------------------------------------------------- |
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205 | macro SOCKET_init { |
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206 | |||
207 | xor eax, eax |
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208 | mov edi, net_sockets |
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209 | mov ecx, 5 |
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3711 | clevermous | 210 | rep stosd |
3545 | hidnplayr | 211 | |
212 | @@: |
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213 | pseudo_random eax |
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3600 | hidnplayr | 214 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 215 | jb @r |
3600 | hidnplayr | 216 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 217 | ja @r |
218 | xchg al, ah |
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219 | mov [last_UDP_port], ax |
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220 | |||
221 | @@: |
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222 | pseudo_random eax |
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3600 | hidnplayr | 223 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 224 | jb @r |
3600 | hidnplayr | 225 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 226 | ja @r |
227 | xchg al, ah |
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228 | mov [last_TCP_port], ax |
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229 | |||
3647 | hidnplayr | 230 | mov ecx, socket_mutex |
231 | call mutex_init |
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232 | |||
3545 | hidnplayr | 233 | } |
234 | |||
235 | ;----------------------------------------------------------------- |
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236 | ; |
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237 | ; Socket API (function 74) |
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238 | ; |
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239 | ;----------------------------------------------------------------- |
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240 | align 4 |
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241 | sys_socket: |
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242 | |||
3673 | hidnplayr | 243 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 244 | |
3545 | hidnplayr | 245 | cmp ebx, 255 |
246 | jz SOCKET_debug |
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247 | |||
248 | cmp ebx, .number |
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3658 | hidnplayr | 249 | ja .error |
3545 | hidnplayr | 250 | jmp dword [.table + 4*ebx] |
251 | |||
252 | .table: |
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253 | dd SOCKET_open ; 0 |
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254 | dd SOCKET_close ; 1 |
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255 | dd SOCKET_bind ; 2 |
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256 | dd SOCKET_listen ; 3 |
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257 | dd SOCKET_connect ; 4 |
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258 | dd SOCKET_accept ; 5 |
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259 | dd SOCKET_send ; 6 |
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260 | dd SOCKET_receive ; 7 |
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261 | dd SOCKET_set_opt ; 8 |
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262 | dd SOCKET_get_opt ; 9 |
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263 | dd SOCKET_pair ; 10 |
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264 | .number = ($ - .table) / 4 - 1 |
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265 | |||
3658 | hidnplayr | 266 | .error: |
267 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 268 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 269 | |
270 | ret |
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271 | |||
272 | ;----------------------------------------------------------------- |
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273 | ; |
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274 | ; SOCKET_open |
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275 | ; |
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276 | ; IN: domain in ecx |
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277 | ; type in edx |
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278 | ; protocol in esi |
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279 | ; OUT: eax is socket num, -1 on error |
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280 | ; |
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281 | ;----------------------------------------------------------------- |
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282 | align 4 |
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283 | SOCKET_open: |
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284 | |||
3556 | hidnplayr | 285 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 286 | |
287 | push ecx edx esi |
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288 | call SOCKET_alloc |
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289 | pop esi edx ecx |
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4535 | hidnplayr | 290 | test eax, eax |
3658 | hidnplayr | 291 | jz .nobuffs |
3545 | hidnplayr | 292 | |
293 | mov [esp+32], edi ; return socketnumber |
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3556 | hidnplayr | 294 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 295 | |
3705 | hidnplayr | 296 | test edx, SO_NONBLOCK |
297 | jz @f |
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298 | or [eax + SOCKET.options], SO_NONBLOCK |
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299 | and edx, not SO_NONBLOCK |
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300 | @@: |
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3545 | hidnplayr | 301 | |
302 | mov [eax + SOCKET.Domain], ecx |
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303 | mov [eax + SOCKET.Type], edx |
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304 | mov [eax + SOCKET.Protocol], esi |
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4030 | hidnplayr | 305 | mov [eax + SOCKET.connect_proc], connect_notsupp |
3545 | hidnplayr | 306 | |
307 | cmp ecx, AF_INET4 |
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308 | jne .no_inet4 |
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309 | |||
5842 | hidnplayr | 310 | mov [eax + IP_SOCKET.ttl], 128 |
311 | |||
3545 | hidnplayr | 312 | cmp edx, SOCK_DGRAM |
313 | je .udp |
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314 | |||
315 | cmp edx, SOCK_STREAM |
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316 | je .tcp |
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317 | |||
318 | cmp edx, SOCK_RAW |
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319 | je .raw |
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320 | |||
321 | .no_inet4: |
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322 | cmp ecx, AF_PPP |
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323 | jne .no_ppp |
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324 | |||
325 | cmp esi, PPP_PROTO_ETHERNET |
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326 | je .pppoe |
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327 | |||
328 | .no_ppp: |
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3658 | hidnplayr | 329 | .unsupported: |
330 | push eax |
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331 | call SOCKET_free |
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332 | pop eax |
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3673 | hidnplayr | 333 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 334 | mov dword[esp+32], -1 |
3545 | hidnplayr | 335 | ret |
336 | |||
3658 | hidnplayr | 337 | .nobuffs: |
3673 | hidnplayr | 338 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 339 | mov dword[esp+32], -1 |
340 | ret |
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341 | |||
3545 | hidnplayr | 342 | .raw: |
343 | test esi, esi ; IP_PROTO_IP |
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3658 | hidnplayr | 344 | jz .raw_ip |
3545 | hidnplayr | 345 | |
346 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 347 | je .raw_icmp |
3545 | hidnplayr | 348 | |
3658 | hidnplayr | 349 | jmp .unsupported |
3545 | hidnplayr | 350 | |
351 | align 4 |
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352 | .udp: |
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5842 | hidnplayr | 353 | push eax |
354 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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355 | pop eax |
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356 | |||
3545 | hidnplayr | 357 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
358 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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359 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 360 | mov [eax + SOCKET.connect_proc], UDP_connect |
3545 | hidnplayr | 361 | ret |
362 | |||
363 | align 4 |
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364 | .tcp: |
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365 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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366 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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367 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
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4030 | hidnplayr | 368 | mov [eax + SOCKET.connect_proc], TCP_connect |
3545 | hidnplayr | 369 | |
370 | TCP_init_socket eax |
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371 | ret |
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372 | |||
373 | |||
374 | align 4 |
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3658 | hidnplayr | 375 | .raw_ip: |
5842 | hidnplayr | 376 | push eax |
377 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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378 | pop eax |
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379 | |||
3545 | hidnplayr | 380 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
381 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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4030 | hidnplayr | 382 | mov [eax + SOCKET.connect_proc], IPv4_connect |
3545 | hidnplayr | 383 | ret |
384 | |||
385 | |||
386 | align 4 |
||
3658 | hidnplayr | 387 | .raw_icmp: |
5842 | hidnplayr | 388 | push eax |
389 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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390 | pop eax |
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391 | |||
3545 | hidnplayr | 392 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
393 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
4030 | hidnplayr | 394 | mov [eax + SOCKET.connect_proc], IPv4_connect |
3545 | hidnplayr | 395 | ret |
396 | |||
397 | align 4 |
||
398 | .pppoe: |
||
399 | push eax |
||
400 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
401 | pop eax |
||
402 | |||
403 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
||
404 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
405 | ret |
||
406 | |||
407 | |||
408 | ;----------------------------------------------------------------- |
||
409 | ; |
||
410 | ; SOCKET_bind |
||
411 | ; |
||
412 | ; IN: socket number in ecx |
||
413 | ; pointer to sockaddr struct in edx |
||
414 | ; length of that struct in esi |
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415 | ; OUT: 0 on success |
||
416 | ; |
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417 | ;----------------------------------------------------------------- |
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418 | align 4 |
||
419 | SOCKET_bind: |
||
420 | |||
3556 | hidnplayr | 421 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 422 | |
423 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 424 | test eax, eax |
3658 | hidnplayr | 425 | jz .invalid |
3545 | hidnplayr | 426 | |
427 | cmp esi, 2 |
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3658 | hidnplayr | 428 | jb .invalid |
3545 | hidnplayr | 429 | |
4052 | hidnplayr | 430 | cmp [eax + UDP_SOCKET.LocalPort], 0 ; Socket can only be bound once |
431 | jnz .invalid |
||
432 | |||
3545 | hidnplayr | 433 | cmp word [edx], AF_INET4 |
434 | je .af_inet4 |
||
435 | |||
436 | cmp word [edx], AF_LOCAL |
||
437 | je .af_local |
||
438 | |||
3658 | hidnplayr | 439 | .notsupp: |
3673 | hidnplayr | 440 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 441 | mov dword[esp+32], -1 |
442 | ret |
||
3545 | hidnplayr | 443 | |
3658 | hidnplayr | 444 | .invalid: |
3673 | hidnplayr | 445 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 446 | mov dword[esp+32], -1 |
447 | ret |
||
448 | |||
3545 | hidnplayr | 449 | .af_local: |
450 | ; TODO: write code here |
||
3658 | hidnplayr | 451 | mov dword[esp+32], 0 |
3545 | hidnplayr | 452 | ret |
453 | |||
454 | .af_inet4: |
||
455 | cmp esi, 6 |
||
3658 | hidnplayr | 456 | jb .invalid |
3545 | hidnplayr | 457 | |
458 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
459 | je .udp |
||
460 | |||
461 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
462 | je .tcp |
||
463 | |||
3658 | hidnplayr | 464 | jmp .notsupp |
3545 | hidnplayr | 465 | |
466 | .tcp: |
||
467 | .udp: |
||
468 | |||
4052 | hidnplayr | 469 | pushd [edx + 4] ; First, fill in the IP |
470 | popd [eax + IP_SOCKET.LocalIP] |
||
3545 | hidnplayr | 471 | |
4052 | hidnplayr | 472 | mov bx, [edx + 2] ; Did caller specify a local port? |
473 | test bx, bx |
||
474 | jnz .just_check |
||
475 | call SOCKET_find_port ; Nope, find an ephemeral one |
||
476 | jmp .done |
||
477 | |||
478 | .just_check: |
||
479 | call SOCKET_check_port ; Yes, check if it's still available |
||
480 | jz .addrinuse ; ZF is set by socket_check_port on error |
||
481 | |||
482 | .done: |
||
3556 | hidnplayr | 483 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 484 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
485 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
486 | |||
3658 | hidnplayr | 487 | mov dword[esp+32], 0 |
3545 | hidnplayr | 488 | ret |
489 | |||
3658 | hidnplayr | 490 | .addrinuse: |
491 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 492 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 493 | ret |
3545 | hidnplayr | 494 | |
495 | |||
496 | |||
3658 | hidnplayr | 497 | |
3545 | hidnplayr | 498 | ;----------------------------------------------------------------- |
499 | ; |
||
500 | ; SOCKET_connect |
||
501 | ; |
||
502 | ; IN: socket number in ecx |
||
503 | ; pointer to sockaddr struct in edx |
||
504 | ; length of that struct in esi |
||
505 | ; OUT: 0 on success |
||
506 | ; |
||
507 | ;----------------------------------------------------------------- |
||
508 | align 4 |
||
509 | SOCKET_connect: |
||
510 | |||
3556 | hidnplayr | 511 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 512 | |
513 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 514 | test eax, eax |
3658 | hidnplayr | 515 | jz .invalid |
3545 | hidnplayr | 516 | |
517 | cmp esi, 8 |
||
3658 | hidnplayr | 518 | jb .invalid |
3545 | hidnplayr | 519 | |
4025 | hidnplayr | 520 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
521 | je .already |
||
522 | |||
523 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
524 | jnz .notsupp |
||
525 | |||
4030 | hidnplayr | 526 | call [eax + SOCKET.connect_proc] |
3545 | hidnplayr | 527 | |
4030 | hidnplayr | 528 | mov dword[esp+20], ebx |
529 | mov dword[esp+32], eax |
||
530 | ret |
||
531 | |||
532 | |||
3658 | hidnplayr | 533 | .notsupp: |
3673 | hidnplayr | 534 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 535 | mov dword[esp+32], -1 |
536 | ret |
||
3545 | hidnplayr | 537 | |
3658 | hidnplayr | 538 | .invalid: |
3673 | hidnplayr | 539 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 540 | mov dword[esp+32], -1 |
541 | ret |
||
542 | |||
4025 | hidnplayr | 543 | .already: |
544 | mov dword[esp+20], EALREADY |
||
545 | mov dword[esp+32], -1 |
||
546 | ret |
||
547 | |||
548 | |||
4030 | hidnplayr | 549 | connect_notsupp: |
550 | xor eax, eax |
||
551 | dec eax |
||
552 | mov ebx, EOPNOTSUPP |
||
3545 | hidnplayr | 553 | ret |
554 | |||
4025 | hidnplayr | 555 | |
3545 | hidnplayr | 556 | ;----------------------------------------------------------------- |
557 | ; |
||
558 | ; SOCKET_listen |
||
559 | ; |
||
560 | ; IN: socket number in ecx |
||
561 | ; backlog in edx |
||
562 | ; OUT: eax is socket num, -1 on error |
||
563 | ; |
||
564 | ;----------------------------------------------------------------- |
||
565 | align 4 |
||
566 | SOCKET_listen: |
||
567 | |||
3556 | hidnplayr | 568 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 569 | |
570 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 571 | test eax, eax |
3658 | hidnplayr | 572 | jz .invalid |
3545 | hidnplayr | 573 | |
574 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 575 | jne .notsupp |
3545 | hidnplayr | 576 | |
577 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 578 | jne .invalid |
3545 | hidnplayr | 579 | |
580 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 581 | je .already |
3545 | hidnplayr | 582 | |
583 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
584 | jne @f |
||
3601 | hidnplayr | 585 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 586 | pop [eax + IP_SOCKET.LocalIP] |
587 | @@: |
||
588 | |||
589 | cmp edx, MAX_backlog |
||
590 | jbe @f |
||
591 | mov edx, MAX_backlog |
||
592 | @@: |
||
593 | |||
594 | mov [eax + SOCKET.backlog], dx |
||
595 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
596 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
597 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
598 | |||
599 | push eax |
||
600 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
601 | pop eax |
||
602 | |||
3658 | hidnplayr | 603 | mov dword[esp+32], 0 |
604 | ret |
||
3545 | hidnplayr | 605 | |
3658 | hidnplayr | 606 | .notsupp: |
3673 | hidnplayr | 607 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 608 | mov dword[esp+32], -1 |
3545 | hidnplayr | 609 | ret |
610 | |||
3658 | hidnplayr | 611 | .invalid: |
3673 | hidnplayr | 612 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 613 | mov dword[esp+32], -1 |
614 | ret |
||
3545 | hidnplayr | 615 | |
3658 | hidnplayr | 616 | .already: |
3673 | hidnplayr | 617 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 618 | mov dword[esp+32], -1 |
619 | ret |
||
620 | |||
621 | |||
3545 | hidnplayr | 622 | ;----------------------------------------------------------------- |
623 | ; |
||
624 | ; SOCKET_accept |
||
625 | ; |
||
626 | ; IN: socket number in ecx |
||
627 | ; addr in edx |
||
628 | ; addrlen in esi |
||
629 | ; OUT: eax is socket num, -1 on error |
||
630 | ; |
||
631 | ;----------------------------------------------------------------- |
||
632 | align 4 |
||
633 | SOCKET_accept: |
||
634 | |||
3556 | hidnplayr | 635 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 636 | |
637 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 638 | test eax, eax |
3658 | hidnplayr | 639 | jz .invalid |
3545 | hidnplayr | 640 | |
641 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 642 | jz .invalid |
3545 | hidnplayr | 643 | |
644 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 645 | jne .notsupp |
3545 | hidnplayr | 646 | |
647 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 648 | jne .invalid |
3545 | hidnplayr | 649 | |
650 | .loop: |
||
651 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
652 | |||
653 | ; Ok, we got a socket ptr |
||
654 | mov eax, [esi] |
||
655 | |||
5969 | hidnplayr | 656 | ; Verify that it is (still) a valid socket |
657 | call SOCKET_check |
||
658 | jz .invalid |
||
659 | |||
660 | ; Change sockets thread owner ID to that of the current thread |
||
3545 | hidnplayr | 661 | mov ebx, [TASK_BASE] |
662 | mov ebx, [ebx + TASKDATA.pid] |
||
663 | mov [eax + SOCKET.TID], ebx |
||
664 | |||
5969 | hidnplayr | 665 | ; Return socket number to caller |
666 | mov eax, [eax + SOCKET.Number] |
||
3545 | hidnplayr | 667 | mov [esp+32], eax |
668 | ret |
||
669 | |||
670 | .block: |
||
671 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 672 | jnz .wouldblock |
3545 | hidnplayr | 673 | |
674 | call SOCKET_block |
||
675 | jmp .loop |
||
676 | |||
3658 | hidnplayr | 677 | .wouldblock: |
3673 | hidnplayr | 678 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 679 | mov dword[esp+32], -1 |
680 | ret |
||
681 | |||
682 | .invalid: |
||
3673 | hidnplayr | 683 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 684 | mov dword[esp+32], -1 |
685 | ret |
||
686 | |||
687 | .notsupp: |
||
3673 | hidnplayr | 688 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 689 | mov dword[esp+32], -1 |
690 | ret |
||
691 | |||
3545 | hidnplayr | 692 | ;----------------------------------------------------------------- |
693 | ; |
||
694 | ; SOCKET_close |
||
695 | ; |
||
696 | ; IN: socket number in ecx |
||
697 | ; OUT: eax is socket num, -1 on error |
||
698 | ; |
||
699 | ;----------------------------------------------------------------- |
||
700 | align 4 |
||
701 | SOCKET_close: |
||
702 | |||
3556 | hidnplayr | 703 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 704 | |
705 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 706 | test eax, eax |
3658 | hidnplayr | 707 | jz .invalid |
3545 | hidnplayr | 708 | |
3658 | hidnplayr | 709 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 710 | |
711 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
712 | |||
713 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
714 | jz @f |
||
4528 | hidnplayr | 715 | call SOCKET_notify ; Unblock it. |
3545 | hidnplayr | 716 | @@: |
717 | |||
718 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
719 | jne .free |
||
720 | |||
721 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
722 | je .tcp |
||
723 | |||
724 | .free: |
||
725 | call SOCKET_free |
||
726 | ret |
||
727 | |||
728 | .tcp: |
||
729 | |||
730 | call TCP_usrclosed |
||
731 | |||
4366 | hidnplayr | 732 | test eax, eax |
733 | jz @f |
||
734 | call TCP_output ; If connection is not closed yet, send the FIN |
||
735 | @@: |
||
736 | |||
3545 | hidnplayr | 737 | ret |
738 | |||
739 | |||
3658 | hidnplayr | 740 | .invalid: |
3673 | hidnplayr | 741 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 742 | mov dword[esp+32], -1 |
743 | ret |
||
744 | |||
745 | |||
3545 | hidnplayr | 746 | ;----------------------------------------------------------------- |
747 | ; |
||
748 | ; SOCKET_receive |
||
749 | ; |
||
750 | ; IN: socket number in ecx |
||
751 | ; addr to buffer in edx |
||
752 | ; length of buffer in esi |
||
753 | ; flags in edi |
||
754 | ; OUT: eax is number of bytes copied, -1 on error |
||
755 | ; |
||
756 | ;----------------------------------------------------------------- |
||
757 | align 4 |
||
758 | SOCKET_receive: |
||
759 | |||
3556 | hidnplayr | 760 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 761 | |
762 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 763 | test eax, eax |
3658 | hidnplayr | 764 | jz .invalid |
3545 | hidnplayr | 765 | |
3704 | hidnplayr | 766 | .loop: |
767 | push edi |
||
3565 | hidnplayr | 768 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 769 | pop edi |
3545 | hidnplayr | 770 | |
4219 | hidnplayr | 771 | test [eax + SOCKET.state], SS_CANTRCVMORE |
5364 | hidnplayr | 772 | jnz .last_data |
4219 | hidnplayr | 773 | |
3704 | hidnplayr | 774 | cmp ebx, EWOULDBLOCK |
775 | jne .return |
||
776 | |||
777 | test edi, MSG_DONTWAIT |
||
778 | jnz .return_err |
||
779 | |||
780 | ; test [eax + SOCKET.options], SO_NONBLOCK |
||
781 | ; jnz .return_err |
||
782 | |||
783 | call SOCKET_block |
||
784 | jmp .loop |
||
785 | |||
786 | |||
787 | .invalid: |
||
788 | push EINVAL |
||
789 | pop ebx |
||
790 | .return_err: |
||
4219 | hidnplayr | 791 | mov ecx, -1 |
3704 | hidnplayr | 792 | .return: |
3673 | hidnplayr | 793 | mov [esp+20], ebx |
4219 | hidnplayr | 794 | mov [esp+32], ecx |
3565 | hidnplayr | 795 | ret |
3545 | hidnplayr | 796 | |
5364 | hidnplayr | 797 | .last_data: |
798 | test ecx, ecx |
||
799 | jz .return |
||
800 | call SOCKET_notify |
||
801 | jmp .return |
||
3565 | hidnplayr | 802 | |
3658 | hidnplayr | 803 | |
3704 | hidnplayr | 804 | |
805 | |||
3545 | hidnplayr | 806 | align 4 |
807 | SOCKET_receive_dgram: |
||
3704 | hidnplayr | 808 | |
3556 | hidnplayr | 809 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 810 | |
3704 | hidnplayr | 811 | mov ebx, esi ; bufferlength |
3545 | hidnplayr | 812 | |
3704 | hidnplayr | 813 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 814 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 815 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 816 | |
3704 | hidnplayr | 817 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 818 | ja .too_small |
819 | |||
4219 | hidnplayr | 820 | push eax ecx |
3545 | hidnplayr | 821 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
822 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 823 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 824 | |
3704 | hidnplayr | 825 | ; copy the data from kernel buffer to application buffer |
826 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 827 | shr ecx, 1 |
828 | jnc .nb |
||
829 | movsb |
||
830 | .nb: |
||
831 | shr ecx, 1 |
||
832 | jnc .nw |
||
833 | movsw |
||
834 | .nw: |
||
835 | test ecx, ecx |
||
836 | jz .nd |
||
3711 | clevermous | 837 | rep movsd |
3545 | hidnplayr | 838 | .nd: |
839 | |||
5522 | hidnplayr | 840 | call NET_BUFF_free |
4219 | hidnplayr | 841 | pop ecx eax ; return number of bytes copied to application |
3704 | hidnplayr | 842 | xor ebx, ebx |
3545 | hidnplayr | 843 | ret |
844 | |||
845 | .too_small: |
||
4219 | hidnplayr | 846 | mov ecx, -1 |
3704 | hidnplayr | 847 | push EMSGSIZE |
848 | pop ebx |
||
3565 | hidnplayr | 849 | ret |
3545 | hidnplayr | 850 | |
3658 | hidnplayr | 851 | .wouldblock: |
3704 | hidnplayr | 852 | push EWOULDBLOCK |
853 | pop ebx |
||
3658 | hidnplayr | 854 | ret |
3545 | hidnplayr | 855 | |
3658 | hidnplayr | 856 | |
3704 | hidnplayr | 857 | |
3545 | hidnplayr | 858 | align 4 |
859 | SOCKET_receive_local: |
||
860 | |||
861 | ; does this socket have a PID yet? |
||
862 | cmp [eax + SOCKET.PID], 0 |
||
863 | jne @f |
||
864 | |||
865 | ; Change PID to that of current process |
||
866 | mov ebx, [TASK_BASE] |
||
867 | mov ebx, [ebx + TASKDATA.pid] |
||
868 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 869 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 870 | @@: |
871 | |||
872 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
873 | |||
3704 | hidnplayr | 874 | ; ... continue to SOCKET_receive_stream |
875 | |||
3545 | hidnplayr | 876 | align 4 |
877 | SOCKET_receive_stream: |
||
878 | |||
3556 | hidnplayr | 879 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 880 | |
3704 | hidnplayr | 881 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
882 | je .wouldblock |
||
883 | |||
884 | test edi, MSG_PEEK |
||
885 | jnz .peek |
||
886 | |||
3545 | hidnplayr | 887 | mov ecx, esi |
888 | mov edi, edx |
||
889 | xor edx, edx |
||
890 | |||
4219 | hidnplayr | 891 | push eax |
3545 | hidnplayr | 892 | add eax, STREAM_SOCKET.rcv |
3704 | hidnplayr | 893 | call SOCKET_ring_read ; copy data from kernel buffer to application buffer |
894 | call SOCKET_ring_free ; free read memory |
||
4219 | hidnplayr | 895 | pop eax |
3545 | hidnplayr | 896 | |
5364 | hidnplayr | 897 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
898 | jne .more_data |
||
3704 | hidnplayr | 899 | xor ebx, ebx ; errorcode = 0 (no error) |
3545 | hidnplayr | 900 | ret |
901 | |||
5364 | hidnplayr | 902 | .more_data: |
903 | call SOCKET_notify ; Queue another network event |
||
904 | xor ebx, ebx ; errorcode = 0 (no error) |
||
905 | ret |
||
906 | |||
3704 | hidnplayr | 907 | .wouldblock: |
908 | push EWOULDBLOCK |
||
909 | pop ebx |
||
4219 | hidnplayr | 910 | xor ecx, ecx |
3704 | hidnplayr | 911 | ret |
912 | |||
3545 | hidnplayr | 913 | .peek: |
4219 | hidnplayr | 914 | mov ecx, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 915 | xor ebx, ebx |
3545 | hidnplayr | 916 | ret |
917 | |||
918 | |||
919 | ;----------------------------------------------------------------- |
||
920 | ; |
||
921 | ; SOCKET_send |
||
922 | ; |
||
923 | ; |
||
924 | ; IN: socket number in ecx |
||
925 | ; pointer to data in edx |
||
926 | ; datalength in esi |
||
927 | ; flags in edi |
||
928 | ; OUT: -1 on error |
||
929 | ; |
||
930 | ;----------------------------------------------------------------- |
||
931 | align 4 |
||
932 | SOCKET_send: |
||
933 | |||
3556 | hidnplayr | 934 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 935 | |
936 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 937 | test eax, eax |
3658 | hidnplayr | 938 | jz .invalid |
3545 | hidnplayr | 939 | |
940 | mov ecx, esi |
||
941 | mov esi, edx |
||
942 | |||
943 | jmp [eax + SOCKET.snd_proc] |
||
944 | |||
3658 | hidnplayr | 945 | .invalid: |
3673 | hidnplayr | 946 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 947 | mov dword[esp+32], -1 |
948 | ret |
||
3545 | hidnplayr | 949 | |
3658 | hidnplayr | 950 | |
3545 | hidnplayr | 951 | align 4 |
952 | SOCKET_send_udp: |
||
953 | |||
3556 | hidnplayr | 954 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 955 | |
956 | mov [esp+32], ecx |
||
957 | call UDP_output |
||
958 | cmp eax, -1 |
||
3658 | hidnplayr | 959 | je .error |
3545 | hidnplayr | 960 | ret |
961 | |||
3658 | hidnplayr | 962 | .error: |
963 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 964 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 965 | ret |
3545 | hidnplayr | 966 | |
3658 | hidnplayr | 967 | |
3545 | hidnplayr | 968 | align 4 |
969 | SOCKET_send_tcp: |
||
970 | |||
3556 | hidnplayr | 971 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 972 | |
973 | push eax |
||
974 | add eax, STREAM_SOCKET.snd |
||
975 | call SOCKET_ring_write |
||
976 | pop eax |
||
977 | |||
978 | mov [esp+32], ecx |
||
3658 | hidnplayr | 979 | mov [eax + SOCKET.errorcode], 0 |
980 | push eax |
||
981 | call TCP_output ; FIXME: this doesnt look pretty, does it? |
||
982 | pop eax |
||
983 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 984 | mov [esp+20], eax |
3545 | hidnplayr | 985 | ret |
986 | |||
987 | |||
988 | align 4 |
||
989 | SOCKET_send_ip: |
||
990 | |||
3556 | hidnplayr | 991 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 992 | |
993 | mov [esp+32], ecx |
||
5842 | hidnplayr | 994 | call IPv4_output_raw |
3545 | hidnplayr | 995 | cmp eax, -1 |
3658 | hidnplayr | 996 | je .error |
3545 | hidnplayr | 997 | ret |
998 | |||
3658 | hidnplayr | 999 | .error: |
5842 | hidnplayr | 1000 | mov dword[esp+32], eax |
1001 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1002 | ret |
3545 | hidnplayr | 1003 | |
3658 | hidnplayr | 1004 | |
3545 | hidnplayr | 1005 | align 4 |
1006 | SOCKET_send_icmp: |
||
1007 | |||
3556 | hidnplayr | 1008 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1009 | |
1010 | mov [esp+32], ecx |
||
5842 | hidnplayr | 1011 | call ICMP_output_raw |
3545 | hidnplayr | 1012 | cmp eax, -1 |
3658 | hidnplayr | 1013 | je .error |
3545 | hidnplayr | 1014 | ret |
1015 | |||
3658 | hidnplayr | 1016 | .error: |
5842 | hidnplayr | 1017 | mov dword[esp+32], eax |
1018 | mov dword[esp+20], ebx |
||
3658 | hidnplayr | 1019 | ret |
3545 | hidnplayr | 1020 | |
3658 | hidnplayr | 1021 | |
3545 | hidnplayr | 1022 | align 4 |
1023 | SOCKET_send_pppoe: |
||
1024 | |||
3556 | hidnplayr | 1025 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1026 | |
1027 | mov [esp+32], ecx |
||
1028 | mov ebx, [eax + SOCKET.device] |
||
1029 | |||
3658 | hidnplayr | 1030 | call PPPoE_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1031 | cmp eax, -1 |
3658 | hidnplayr | 1032 | je .error |
3545 | hidnplayr | 1033 | ret |
1034 | |||
3658 | hidnplayr | 1035 | .error: |
1036 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1037 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1038 | ret |
3545 | hidnplayr | 1039 | |
1040 | |||
3658 | hidnplayr | 1041 | |
3545 | hidnplayr | 1042 | align 4 |
1043 | SOCKET_send_local: |
||
1044 | |||
1045 | ; does this socket have a PID yet? |
||
1046 | cmp [eax + SOCKET.PID], 0 |
||
1047 | jne @f |
||
1048 | |||
1049 | ; Change PID to that of current process |
||
1050 | mov ebx, [TASK_BASE] |
||
1051 | mov ebx, [ebx + TASKDATA.pid] |
||
1052 | mov [eax + SOCKET.PID], ebx |
||
1053 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1054 | @@: |
||
1055 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1056 | |||
1057 | align 4 |
||
1058 | SOCKET_send_local_: |
||
1059 | |||
3556 | hidnplayr | 1060 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1061 | |
1062 | ; get the other side's socket and check if it still exists |
||
1063 | mov eax, [eax + SOCKET.device] |
||
1064 | call SOCKET_check |
||
3658 | hidnplayr | 1065 | jz .invalid |
3545 | hidnplayr | 1066 | |
1067 | ; allright, shove in the data! |
||
1068 | push eax |
||
1069 | add eax, STREAM_SOCKET.rcv |
||
1070 | call SOCKET_ring_write |
||
1071 | pop eax |
||
1072 | |||
1073 | ; return the number of written bytes (or errorcode) to application |
||
1074 | mov [esp+32], ecx |
||
1075 | |||
1076 | ; and notify the other end |
||
1077 | call SOCKET_notify |
||
1078 | |||
1079 | ret |
||
1080 | |||
3658 | hidnplayr | 1081 | .invalid: |
1082 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1083 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1084 | ret |
3545 | hidnplayr | 1085 | |
3658 | hidnplayr | 1086 | |
3545 | hidnplayr | 1087 | ;----------------------------------------------------------------- |
1088 | ; |
||
1089 | ; SOCKET_get_options |
||
1090 | ; |
||
1091 | ; IN: ecx = socket number |
||
1092 | ; edx = pointer to the options: |
||
1093 | ; dd level, optname, optval, optlen |
||
1094 | ; OUT: -1 on error |
||
1095 | ; |
||
1096 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1097 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1098 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1099 | ; |
||
1100 | ;----------------------------------------------------------------- |
||
1101 | align 4 |
||
1102 | SOCKET_get_opt: |
||
1103 | |||
3556 | hidnplayr | 1104 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1105 | |
1106 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 1107 | test eax, eax |
3658 | hidnplayr | 1108 | jz .invalid |
3545 | hidnplayr | 1109 | |
1110 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1111 | jne .invalid |
3545 | hidnplayr | 1112 | cmp dword [edx+4], -2 |
1113 | je @f |
||
1114 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1115 | jne .invalid |
3545 | hidnplayr | 1116 | @@: |
1117 | ; mov eax, [edx+12] |
||
1118 | ; test eax, eax |
||
1119 | ; jz .fail |
||
1120 | ; cmp dword [eax], 4 |
||
1121 | ; mov dword [eax], 4 |
||
1122 | ; jb .fail |
||
1123 | ; stdcall net_socket_num_to_addr, ecx |
||
1124 | ; test eax, eax |
||
1125 | ; jz .fail |
||
1126 | ; ; todo: check that eax is really TCP socket |
||
1127 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1128 | ; cmp dword [edx+4], -2 |
||
1129 | ; jz @f |
||
1130 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1131 | @@: |
||
1132 | mov eax, [edx+8] |
||
1133 | test eax, eax |
||
1134 | jz @f |
||
1135 | mov [eax], ecx |
||
1136 | @@: |
||
1137 | mov dword [esp+32], 0 |
||
1138 | ret |
||
1139 | |||
3658 | hidnplayr | 1140 | .invalid: |
1141 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1142 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1143 | ret |
3545 | hidnplayr | 1144 | |
1145 | |||
1146 | ;----------------------------------------------------------------- |
||
1147 | ; |
||
1148 | ; SOCKET_set_options |
||
1149 | ; |
||
1150 | ; IN: ecx = socket number |
||
5842 | hidnplayr | 1151 | ; edx = pointer to socket_options |
3545 | hidnplayr | 1152 | ; OUT: -1 on error |
1153 | ; |
||
1154 | ;----------------------------------------------------------------- |
||
5842 | hidnplayr | 1155 | |
1156 | struct socket_options |
||
1157 | level dd ? |
||
1158 | optname dd ? |
||
1159 | optlen dd ? |
||
1160 | optval dd ? |
||
1161 | ends |
||
1162 | |||
3545 | hidnplayr | 1163 | align 4 |
1164 | SOCKET_set_opt: |
||
1165 | |||
3556 | hidnplayr | 1166 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1167 | |
1168 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 1169 | test eax, eax |
3658 | hidnplayr | 1170 | jz .invalid |
3545 | hidnplayr | 1171 | |
5842 | hidnplayr | 1172 | cmp [edx + socket_options.level], IP_PROTO_IP |
1173 | je .ip |
||
1174 | cmp [edx + socket_options.level], SOL_SOCKET |
||
3658 | hidnplayr | 1175 | jne .invalid |
3545 | hidnplayr | 1176 | |
5842 | hidnplayr | 1177 | .socket: |
1178 | cmp [edx + socket_options.optname], SO_BINDTODEVICE |
||
1179 | jne .invalid |
||
3545 | hidnplayr | 1180 | |
1181 | .bind: |
||
5842 | hidnplayr | 1182 | cmp [edx + socket_options.optlen], 0 |
3545 | hidnplayr | 1183 | je .unbind |
1184 | |||
5842 | hidnplayr | 1185 | movzx edx, byte[edx + socket_options.optval] |
3600 | hidnplayr | 1186 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1187 | ja .invalid |
3545 | hidnplayr | 1188 | |
1189 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1190 | test edx, edx |
||
3658 | hidnplayr | 1191 | jz .already |
3545 | hidnplayr | 1192 | mov [eax + SOCKET.device], edx |
1193 | |||
5584 | hidnplayr | 1194 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n", eax, edx |
3545 | hidnplayr | 1195 | |
3658 | hidnplayr | 1196 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1197 | ret |
1198 | |||
1199 | .unbind: |
||
1200 | mov [eax + SOCKET.device], 0 |
||
1201 | |||
3658 | hidnplayr | 1202 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1203 | ret |
1204 | |||
5842 | hidnplayr | 1205 | .ip: |
1206 | cmp [edx + socket_options.optname], IP_TTL |
||
1207 | jne .invalid |
||
1208 | |||
1209 | .ttl: |
||
1210 | mov bl, byte[edx + socket_options.optval] |
||
1211 | mov [eax + IP_SOCKET.ttl], bl |
||
1212 | |||
1213 | mov dword[esp+32], 0 ; success! |
||
1214 | ret |
||
1215 | |||
3658 | hidnplayr | 1216 | .already: |
3673 | hidnplayr | 1217 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1218 | mov dword[esp+32], -1 |
1219 | ret |
||
3545 | hidnplayr | 1220 | |
5842 | hidnplayr | 1221 | .invalid: |
1222 | mov dword[esp+20], EINVAL |
||
1223 | mov dword[esp+32], -1 |
||
1224 | ret |
||
3545 | hidnplayr | 1225 | |
3658 | hidnplayr | 1226 | |
1227 | |||
5842 | hidnplayr | 1228 | |
3545 | hidnplayr | 1229 | ;----------------------------------------------------------------- |
1230 | ; |
||
1231 | ; SOCKET_pair |
||
1232 | ; |
||
1233 | ; Allocates a pair of linked LOCAL domain sockets |
||
1234 | ; |
||
1235 | ; IN: / |
||
1236 | ; OUT: eax is socket1 num, -1 on error |
||
1237 | ; ebx is socket2 num |
||
1238 | ; |
||
1239 | ;----------------------------------------------------------------- |
||
1240 | align 4 |
||
1241 | SOCKET_pair: |
||
1242 | |||
3556 | hidnplayr | 1243 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1244 | |
1245 | call SOCKET_alloc |
||
4535 | hidnplayr | 1246 | test eax, eax |
3658 | hidnplayr | 1247 | jz .nomem1 |
3545 | hidnplayr | 1248 | mov [esp+32], edi ; application's eax |
1249 | |||
1250 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1251 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1252 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1253 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1254 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1255 | mov [eax + SOCKET.PID], 0 |
||
1256 | mov ebx, eax |
||
1257 | |||
1258 | call SOCKET_alloc |
||
4535 | hidnplayr | 1259 | test eax, eax |
3658 | hidnplayr | 1260 | jz .nomem2 |
3673 | hidnplayr | 1261 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1262 | |
1263 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1264 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1265 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1266 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1267 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1268 | mov [eax + SOCKET.PID], 0 |
||
1269 | |||
1270 | ; Link the two sockets to eachother |
||
1271 | mov [eax + SOCKET.device], ebx |
||
1272 | mov [ebx + SOCKET.device], eax |
||
1273 | |||
1274 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1275 | call SOCKET_ring_create |
||
5155 | hidnplayr | 1276 | test eax, eax |
5969 | hidnplayr | 1277 | jz .nomem2 |
3545 | hidnplayr | 1278 | |
1279 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1280 | call SOCKET_ring_create |
||
5155 | hidnplayr | 1281 | test eax, eax |
1282 | jz .nomem2 |
||
3545 | hidnplayr | 1283 | |
1284 | ret |
||
1285 | |||
3658 | hidnplayr | 1286 | .nomem2: |
5969 | hidnplayr | 1287 | mov eax, [esp+20] |
3545 | hidnplayr | 1288 | call SOCKET_free |
5969 | hidnplayr | 1289 | |
3658 | hidnplayr | 1290 | .nomem1: |
5969 | hidnplayr | 1291 | mov eax, [esp+32] |
1292 | call SOCKET_free |
||
1293 | |||
3658 | hidnplayr | 1294 | mov dword[esp+32], -1 |
5969 | hidnplayr | 1295 | mov dword[esp+20], ENOMEM |
3658 | hidnplayr | 1296 | ret |
3545 | hidnplayr | 1297 | |
1298 | |||
1299 | |||
1300 | ;----------------------------------------------------------------- |
||
1301 | ; |
||
1302 | ; SOCKET_debug |
||
1303 | ; |
||
1304 | ; Copies socket variables to application buffer |
||
1305 | ; |
||
1306 | ; IN: ecx = socket number |
||
1307 | ; edx = pointer to buffer |
||
1308 | ; |
||
1309 | ; OUT: -1 on error |
||
1310 | ;----------------------------------------------------------------- |
||
1311 | align 4 |
||
1312 | SOCKET_debug: |
||
1313 | |||
3556 | hidnplayr | 1314 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1315 | |
1316 | mov edi, edx |
||
1317 | |||
1318 | test ecx, ecx |
||
1319 | jz .returnall |
||
1320 | |||
1321 | call SOCKET_num_to_ptr |
||
5969 | hidnplayr | 1322 | test eax, eax |
3658 | hidnplayr | 1323 | jz .invalid |
3545 | hidnplayr | 1324 | |
1325 | mov esi, eax |
||
1326 | mov ecx, SOCKETBUFFSIZE/4 |
||
3711 | clevermous | 1327 | rep movsd |
3545 | hidnplayr | 1328 | |
3658 | hidnplayr | 1329 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1330 | ret |
1331 | |||
1332 | .returnall: |
||
1333 | mov ebx, net_sockets |
||
1334 | .next_socket: |
||
1335 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1336 | test ebx, ebx |
||
1337 | jz .done |
||
1338 | mov eax, [ebx + SOCKET.Number] |
||
1339 | stosd |
||
1340 | jmp .next_socket |
||
1341 | .done: |
||
1342 | xor eax, eax |
||
1343 | stosd |
||
3658 | hidnplayr | 1344 | mov dword[esp+32], eax |
1345 | ret |
||
3545 | hidnplayr | 1346 | |
3658 | hidnplayr | 1347 | .invalid: |
1348 | mov dword[esp+32], -1 |
||
5969 | hidnplayr | 1349 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 1350 | ret |
1351 | |||
1352 | |||
1353 | ;----------------------------------------------------------------- |
||
1354 | ; |
||
1355 | ; SOCKET_find_port |
||
1356 | ; |
||
1357 | ; Fills in the local port number for TCP and UDP sockets |
||
1358 | ; This procedure always works because the number of sockets is |
||
1359 | ; limited to a smaller number then the number of possible ports |
||
1360 | ; |
||
1361 | ; IN: eax = socket pointer |
||
1362 | ; OUT: / |
||
1363 | ; |
||
1364 | ;----------------------------------------------------------------- |
||
1365 | align 4 |
||
1366 | SOCKET_find_port: |
||
1367 | |||
3556 | hidnplayr | 1368 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1369 | |
1370 | push ebx esi ecx |
||
1371 | |||
1372 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1373 | je .udp |
||
1374 | |||
1375 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1376 | je .tcp |
||
1377 | |||
1378 | pop ecx esi ebx |
||
1379 | ret |
||
1380 | |||
1381 | .udp: |
||
1382 | mov bx, [last_UDP_port] |
||
1383 | call .findit |
||
1384 | mov [last_UDP_port], bx |
||
1385 | |||
1386 | pop ecx esi ebx |
||
1387 | ret |
||
1388 | |||
1389 | .tcp: |
||
1390 | mov bx, [last_TCP_port] |
||
1391 | call .findit |
||
1392 | mov [last_TCP_port], bx |
||
1393 | |||
1394 | pop ecx esi ebx |
||
1395 | ret |
||
1396 | |||
1397 | |||
1398 | .restart: |
||
1399 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1400 | .findit: |
||
1401 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1402 | je .restart |
||
1403 | |||
1404 | add bh, 1 |
||
1405 | adc bl, 0 |
||
1406 | |||
1407 | call SOCKET_check_port |
||
1408 | jz .findit |
||
1409 | ret |
||
1410 | |||
1411 | |||
1412 | |||
1413 | ;----------------------------------------------------------------- |
||
1414 | ; |
||
1415 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1416 | ; |
||
1417 | ; Checks if a local port number is unused |
||
1418 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1419 | ; |
||
1420 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1421 | ; bx = proposed socket number (network byte order) |
||
1422 | ; |
||
1423 | ; OUT: ZF = set on error |
||
1424 | ; |
||
1425 | ;----------------------------------------------------------------- |
||
1426 | align 4 |
||
1427 | SOCKET_check_port: |
||
1428 | |||
3556 | hidnplayr | 1429 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1430 | |
3647 | hidnplayr | 1431 | pusha |
1432 | mov ecx, socket_mutex |
||
1433 | call mutex_lock |
||
1434 | popa |
||
1435 | |||
3545 | hidnplayr | 1436 | mov ecx, [eax + SOCKET.Protocol] |
1437 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1438 | mov esi, net_sockets |
||
1439 | |||
1440 | .next_socket: |
||
1441 | mov esi, [esi + SOCKET.NextPtr] |
||
1442 | or esi, esi |
||
1443 | jz .port_ok |
||
1444 | |||
1445 | cmp [esi + SOCKET.Protocol], ecx |
||
1446 | jne .next_socket |
||
1447 | |||
1448 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1449 | jne .next_socket |
||
1450 | |||
1451 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1452 | jne .next_socket |
||
1453 | |||
3647 | hidnplayr | 1454 | pusha |
1455 | mov ecx, socket_mutex |
||
1456 | call mutex_unlock |
||
1457 | popa |
||
1458 | |||
3556 | hidnplayr | 1459 | 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 | 1460 | ret |
1461 | |||
1462 | .port_ok: |
||
3647 | hidnplayr | 1463 | pusha |
1464 | mov ecx, socket_mutex |
||
1465 | call mutex_unlock |
||
1466 | popa |
||
1467 | |||
3556 | hidnplayr | 1468 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1469 | mov [eax + UDP_SOCKET.LocalPort], bx |
1470 | or bx, bx ; clear the zero-flag |
||
1471 | ret |
||
1472 | |||
1473 | |||
1474 | |||
1475 | ;----------------------------------------------------------------- |
||
1476 | ; |
||
1477 | ; SOCKET_input |
||
1478 | ; |
||
1479 | ; Updates a (stateless) socket with received data |
||
1480 | ; |
||
1481 | ; Note: the mutex should already be set ! |
||
1482 | ; |
||
1483 | ; IN: eax = socket ptr |
||
1484 | ; ecx = data size |
||
1485 | ; esi = ptr to data |
||
1486 | ; [esp] = ptr to buf |
||
1487 | ; |
||
1488 | ; OUT: / |
||
1489 | ; |
||
1490 | ;----------------------------------------------------------------- |
||
1491 | align 4 |
||
1492 | SOCKET_input: |
||
1493 | |||
3556 | hidnplayr | 1494 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1495 | |
5522 | hidnplayr | 1496 | push ecx |
3545 | hidnplayr | 1497 | push esi |
1498 | mov esi, esp |
||
1499 | |||
1500 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1501 | |||
3556 | hidnplayr | 1502 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1503 | add esp, sizeof.socket_queue_entry |
1504 | |||
1505 | pusha |
||
1506 | lea ecx, [eax + SOCKET.mutex] |
||
1507 | call mutex_unlock |
||
1508 | popa |
||
1509 | |||
1510 | jmp SOCKET_notify |
||
1511 | |||
1512 | .full: |
||
3556 | hidnplayr | 1513 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1514 | |
1515 | pusha |
||
1516 | lea ecx, [eax + SOCKET.mutex] |
||
1517 | call mutex_unlock |
||
1518 | popa |
||
1519 | |||
5842 | hidnplayr | 1520 | add esp, 8 |
5522 | hidnplayr | 1521 | call NET_BUFF_free |
3545 | hidnplayr | 1522 | ret |
1523 | |||
1524 | |||
1525 | ;-------------------------- |
||
1526 | ; |
||
5522 | hidnplayr | 1527 | ; eax = ptr to ring struct (just a buffer of the right size) |
3545 | hidnplayr | 1528 | ; |
1529 | align 4 |
||
1530 | SOCKET_ring_create: |
||
1531 | |||
1532 | push esi |
||
1533 | mov esi, eax |
||
1534 | |||
1535 | push edx |
||
5356 | serge | 1536 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SWR |
3545 | hidnplayr | 1537 | pop edx |
5155 | hidnplayr | 1538 | test eax, eax |
1539 | jz .fail |
||
3545 | hidnplayr | 1540 | |
5969 | hidnplayr | 1541 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_create: %x\n", eax |
3545 | hidnplayr | 1542 | |
1543 | pusha |
||
1544 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1545 | call mutex_init |
||
1546 | popa |
||
1547 | |||
1548 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1549 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1550 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1551 | mov [esi + RING_BUFFER.size], 0 |
||
1552 | add eax, SOCKET_MAXDATA |
||
1553 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1554 | mov eax, esi |
||
1555 | |||
5969 | hidnplayr | 1556 | pop esi |
1557 | ret |
||
1558 | |||
5155 | hidnplayr | 1559 | .fail: |
5969 | hidnplayr | 1560 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ring_create: Out of memory!\n" |
5566 | hidnplayr | 1561 | pop esi |
3545 | hidnplayr | 1562 | ret |
1563 | |||
1564 | ;----------------------------------------------------------------- |
||
1565 | ; |
||
1566 | ; SOCKET_ring_write |
||
1567 | ; |
||
1568 | ; Adds data to a stream socket, and updates write pointer and size |
||
1569 | ; |
||
1570 | ; IN: eax = ptr to ring struct |
||
1571 | ; ecx = data size |
||
1572 | ; esi = ptr to data |
||
1573 | ; |
||
1574 | ; OUT: ecx = number of bytes stored |
||
1575 | ; |
||
1576 | ;----------------------------------------------------------------- |
||
1577 | align 4 |
||
1578 | SOCKET_ring_write: |
||
1579 | |||
3556 | hidnplayr | 1580 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1581 | |
1582 | ; lock mutex |
||
1583 | pusha |
||
1584 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1585 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1586 | popa |
||
1587 | |||
1588 | ; calculate available size |
||
1589 | mov edi, SOCKET_MAXDATA |
||
1590 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1591 | cmp ecx, edi |
||
1592 | jbe .copy |
||
1593 | mov ecx, edi |
||
1594 | .copy: |
||
1595 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1596 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1597 | |
1598 | ; update write ptr |
||
1599 | push edi |
||
1600 | add edi, ecx |
||
1601 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1602 | jb @f |
||
1603 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1604 | @@: |
||
5155 | hidnplayr | 1605 | |
3545 | hidnplayr | 1606 | mov [eax + RING_BUFFER.write_ptr], edi |
1607 | pop edi |
||
1608 | |||
1609 | ; update size |
||
1610 | add [eax + RING_BUFFER.size], ecx |
||
1611 | |||
1612 | ; copy the data |
||
1613 | push ecx |
||
1614 | shr ecx, 1 |
||
1615 | jnc .nb |
||
1616 | movsb |
||
1617 | .nb: |
||
1618 | shr ecx, 1 |
||
1619 | jnc .nw |
||
1620 | movsw |
||
1621 | .nw: |
||
1622 | test ecx, ecx |
||
1623 | jz .nd |
||
3711 | clevermous | 1624 | rep movsd |
3545 | hidnplayr | 1625 | .nd: |
1626 | pop ecx |
||
1627 | |||
1628 | ; unlock mutex |
||
4344 | hidnplayr | 1629 | pusha |
3545 | hidnplayr | 1630 | lea ecx, [eax + RING_BUFFER.mutex] |
1631 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
4344 | hidnplayr | 1632 | popa |
3545 | hidnplayr | 1633 | |
1634 | ret |
||
1635 | |||
1636 | ;----------------------------------------------------------------- |
||
1637 | ; |
||
1638 | ; SOCKET_ring_read |
||
1639 | ; |
||
1640 | ; IN: eax = ring struct ptr |
||
1641 | ; ecx = bytes to read |
||
1642 | ; edx = offset |
||
1643 | ; edi = ptr to buffer start |
||
1644 | ; |
||
1645 | ; OUT: eax = unchanged |
||
1646 | ; ecx = number of bytes read (0 on error) |
||
1647 | ; edx = destroyed |
||
1648 | ; esi = destroyed |
||
1649 | ; edi = ptr to buffer end |
||
1650 | ; |
||
1651 | ;----------------------------------------------------------------- |
||
1652 | align 4 |
||
1653 | SOCKET_ring_read: |
||
1654 | |||
3556 | hidnplayr | 1655 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1656 | |
1657 | pusha |
||
1658 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1659 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1660 | popa |
||
1661 | |||
1662 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1663 | add esi, edx ; esi = start_ptr + offset |
||
1664 | |||
1665 | neg edx |
||
1666 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1667 | jle .no_data_at_all |
||
1668 | |||
1669 | pusha |
||
1670 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1671 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1672 | popa |
||
1673 | |||
1674 | cmp ecx, edx |
||
1675 | ja .less_data |
||
1676 | |||
1677 | .copy: |
||
3556 | hidnplayr | 1678 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1679 | push ecx |
1680 | shr ecx, 1 |
||
1681 | jnc .nb |
||
1682 | movsb |
||
1683 | .nb: |
||
1684 | shr ecx, 1 |
||
1685 | jnc .nw |
||
1686 | movsw |
||
1687 | .nw: |
||
1688 | test ecx, ecx |
||
1689 | jz .nd |
||
3711 | clevermous | 1690 | rep movsd |
3545 | hidnplayr | 1691 | .nd: |
1692 | pop ecx |
||
1693 | ret |
||
1694 | |||
1695 | .no_data_at_all: |
||
1696 | pusha |
||
1697 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1698 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1699 | popa |
||
1700 | |||
3556 | hidnplayr | 1701 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1702 | xor ecx, ecx |
1703 | ret |
||
1704 | |||
1705 | .less_data: |
||
1706 | mov ecx, edx |
||
1707 | jmp .copy |
||
1708 | |||
1709 | |||
1710 | ;----------------------------------------------------------------- |
||
1711 | ; |
||
1712 | ; SOCKET_ring_free |
||
1713 | ; |
||
1714 | ; Free's some bytes from the ringbuffer |
||
1715 | ; |
||
1716 | ; IN: eax = ptr to ring struct |
||
1717 | ; ecx = data size |
||
1718 | ; |
||
1719 | ; OUT: ecx = number of bytes free-ed |
||
1720 | ; |
||
1721 | ;----------------------------------------------------------------- |
||
1722 | align 4 |
||
1723 | SOCKET_ring_free: |
||
1724 | |||
3556 | hidnplayr | 1725 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1726 | |
1727 | push eax ecx |
||
1728 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1729 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1730 | pop ecx eax |
||
1731 | |||
1732 | sub [eax + RING_BUFFER.size], ecx |
||
1733 | jb .error |
||
1734 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1735 | |||
1736 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1737 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1738 | jb @f |
||
1739 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1740 | @@: |
||
1741 | |||
1742 | push eax ecx |
||
1743 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1744 | call mutex_unlock |
||
1745 | pop ecx eax |
||
1746 | |||
1747 | ret |
||
1748 | |||
1749 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1750 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1751 | add [eax + RING_BUFFER.size], ecx |
1752 | |||
1753 | push eax |
||
1754 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1755 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1756 | pop eax |
||
1757 | |||
1758 | xor ecx, ecx |
||
1759 | ret |
||
1760 | |||
1761 | |||
1762 | ;----------------------------------------------------------------- |
||
1763 | ; |
||
1764 | ; SOCKET_block |
||
1765 | ; |
||
1766 | ; Suspends the thread attached to a socket |
||
1767 | ; |
||
1768 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1769 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1770 | ; |
1771 | ;----------------------------------------------------------------- |
||
1772 | align 4 |
||
1773 | SOCKET_block: |
||
1774 | |||
3556 | hidnplayr | 1775 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1776 | |
4520 | hidnplayr | 1777 | push eax |
1778 | |||
3545 | hidnplayr | 1779 | pushf |
1780 | cli |
||
1781 | |||
1782 | ; Set the 'socket is blocked' flag |
||
1783 | or [eax + SOCKET.state], SS_BLOCKED |
||
1784 | |||
1785 | ; Suspend the thread |
||
1786 | push edx |
||
1787 | mov edx, [TASK_BASE] |
||
1788 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1789 | |||
1790 | ; Remember the thread ID so we can wake it up again |
||
1791 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1792 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1793 | mov [eax + SOCKET.TID], edx |
1794 | pop edx |
||
4520 | hidnplayr | 1795 | popf |
3545 | hidnplayr | 1796 | |
1797 | call change_task |
||
3674 | hidnplayr | 1798 | pop eax |
3545 | hidnplayr | 1799 | |
4520 | hidnplayr | 1800 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continuing\n" |
3545 | hidnplayr | 1801 | |
1802 | ret |
||
1803 | |||
1804 | |||
1805 | ;----------------------------------------------------------------- |
||
1806 | ; |
||
1807 | ; SOCKET_notify |
||
1808 | ; |
||
1809 | ; notify's the owner of a socket that something happened |
||
1810 | ; |
||
1811 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1812 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1813 | ; |
1814 | ;----------------------------------------------------------------- |
||
1815 | align 4 |
||
1816 | SOCKET_notify: |
||
1817 | |||
3556 | hidnplayr | 1818 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1819 | |
1820 | call SOCKET_check |
||
1821 | jz .error |
||
1822 | |||
4527 | hidnplayr | 1823 | ; Find the associated thread's TASK_DATA |
1824 | push ebx ecx esi |
||
1825 | mov ebx, [eax + SOCKET.TID] |
||
1826 | test ebx, ebx |
||
1827 | jz .error2 |
||
1828 | xor ecx, ecx |
||
3545 | hidnplayr | 1829 | inc ecx |
4527 | hidnplayr | 1830 | mov esi, TASK_DATA |
1831 | .next: |
||
1832 | cmp [esi + TASKDATA.pid], ebx |
||
1833 | je .found |
||
1834 | inc ecx |
||
3545 | hidnplayr | 1835 | add esi, 0x20 |
1836 | cmp ecx, [TASK_COUNT] |
||
4527 | hidnplayr | 1837 | jbe .next |
1838 | |||
1839 | .error2: |
||
3545 | hidnplayr | 1840 | ; PID not found, TODO: close socket! |
4527 | hidnplayr | 1841 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: error finding thread 0x%x !\n", ebx |
1842 | pop esi ecx ebx |
||
1843 | ret |
||
3545 | hidnplayr | 1844 | |
4527 | hidnplayr | 1845 | .error: |
4528 | hidnplayr | 1846 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_notify: invalid socket ptr: 0x%x !\n", eax |
4527 | hidnplayr | 1847 | ret |
1848 | |||
1849 | .found: |
||
1850 | test [eax + SOCKET.state], SS_BLOCKED |
||
4528 | hidnplayr | 1851 | jnz .un_block |
4527 | hidnplayr | 1852 | |
1853 | ; socket and thread exists and socket is of non blocking type. |
||
1854 | ; We'll try to flag an event to the thread. |
||
3545 | hidnplayr | 1855 | shl ecx, 8 |
1856 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1857 | |||
3817 | hidnplayr | 1858 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", eax |
4527 | hidnplayr | 1859 | pop esi ecx ebx |
1860 | ret |
||
3545 | hidnplayr | 1861 | |
4527 | hidnplayr | 1862 | |
4528 | hidnplayr | 1863 | .un_block: |
4527 | hidnplayr | 1864 | ; socket and thread exists and socket is of blocking type |
1865 | ; We'll try to unblock it. |
||
1866 | and [eax + SOCKET.state], not SS_BLOCKED ; Clear the 'socket is blocked' flag |
||
1867 | mov [esi + TASKDATA.state], 0 ; Run the thread |
||
3545 | hidnplayr | 1868 | |
3556 | hidnplayr | 1869 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
4527 | hidnplayr | 1870 | pop esi ecx ebx |
3545 | hidnplayr | 1871 | ret |
1872 | |||
1873 | |||
1874 | ;-------------------------------------------------------------------- |
||
1875 | ; |
||
1876 | ; SOCKET_alloc |
||
1877 | ; |
||
1878 | ; Allocate memory for socket data and put new socket into the list |
||
1879 | ; Newly created socket is initialized with calling PID and number and |
||
5969 | hidnplayr | 1880 | ; put into beginning of list (which is the fastest way). |
3545 | hidnplayr | 1881 | ; |
1882 | ; IN: / |
||
1883 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1884 | ; edi = socket number |
||
1885 | ; |
||
1886 | ;-------------------------------------------------------------------- |
||
1887 | align 4 |
||
1888 | SOCKET_alloc: |
||
1889 | |||
1890 | push ebx |
||
1891 | |||
1892 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
5969 | hidnplayr | 1893 | or eax, eax |
1894 | jz .nomem |
||
3556 | hidnplayr | 1895 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1896 | |
1897 | ; zero-initialize allocated memory |
||
1898 | push eax |
||
1899 | mov edi, eax |
||
1900 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1901 | xor eax, eax |
||
3711 | clevermous | 1902 | rep stosd |
3545 | hidnplayr | 1903 | pop eax |
1904 | |||
1905 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1906 | mov [eax + SOCKET.snd_proc], .not_yet |
1907 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1908 | |
3647 | hidnplayr | 1909 | pusha |
1910 | mov ecx, socket_mutex |
||
1911 | call mutex_lock |
||
1912 | popa |
||
1913 | |||
3545 | hidnplayr | 1914 | ; find first free socket number and use it |
1915 | mov edi, [last_socket_num] |
||
1916 | .next_socket_number: |
||
1917 | inc edi |
||
1918 | jz .next_socket_number ; avoid socket nr 0 |
||
1919 | cmp edi, -1 |
||
1920 | je .next_socket_number ; avoid socket nr -1 |
||
1921 | mov ebx, net_sockets |
||
1922 | .next_socket: |
||
1923 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1924 | test ebx, ebx |
||
1925 | jz .last_socket |
||
1926 | |||
1927 | cmp [ebx + SOCKET.Number], edi |
||
1928 | jne .next_socket |
||
1929 | jmp .next_socket_number |
||
1930 | |||
1931 | .last_socket: |
||
1932 | mov [last_socket_num], edi |
||
1933 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1934 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1935 | |
1936 | ; Fill in PID |
||
1937 | mov ebx, [TASK_BASE] |
||
1938 | mov ebx, [ebx + TASKDATA.pid] |
||
1939 | mov [eax + SOCKET.PID], ebx |
||
1940 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1941 | |||
1942 | ; init mutex |
||
1943 | pusha |
||
1944 | lea ecx, [eax + SOCKET.mutex] |
||
1945 | call mutex_init |
||
1946 | popa |
||
1947 | |||
1948 | ; add socket to the list by re-arranging some pointers |
||
1949 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
1950 | |||
1951 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
1952 | mov [eax + SOCKET.NextPtr], ebx |
||
1953 | |||
1954 | test ebx, ebx |
||
1955 | jz @f |
||
1956 | |||
1957 | pusha |
||
1958 | lea ecx, [ebx + SOCKET.mutex] |
||
1959 | call mutex_lock |
||
1960 | popa |
||
1961 | |||
1962 | mov [ebx + SOCKET.PrevPtr], eax |
||
1963 | |||
1964 | pusha |
||
1965 | lea ecx, [ebx + SOCKET.mutex] |
||
1966 | call mutex_unlock |
||
1967 | popa |
||
1968 | @@: |
||
1969 | |||
1970 | mov [net_sockets + SOCKET.NextPtr], eax |
||
3647 | hidnplayr | 1971 | |
1972 | pusha |
||
1973 | mov ecx, socket_mutex |
||
1974 | call mutex_unlock |
||
1975 | popa |
||
3545 | hidnplayr | 1976 | pop ebx |
1977 | |||
1978 | ret |
||
1979 | |||
5969 | hidnplayr | 1980 | .nomem: |
1981 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_alloc: Out of memory!\n" |
||
1982 | pop ebx |
||
1983 | ret |
||
1984 | |||
3658 | hidnplayr | 1985 | .not_yet: |
3673 | hidnplayr | 1986 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 1987 | mov dword[esp+32], -1 |
1988 | ret |
||
3545 | hidnplayr | 1989 | |
3658 | hidnplayr | 1990 | |
3545 | hidnplayr | 1991 | ;---------------------------------------------------- |
1992 | ; |
||
1993 | ; SOCKET_free |
||
1994 | ; |
||
1995 | ; Free socket data memory and remove socket from the list |
||
3884 | hidnplayr | 1996 | ; Caller should lock and unlock socket_mutex |
3545 | hidnplayr | 1997 | ; |
1998 | ; IN: eax = socket ptr |
||
1999 | ; OUT: / |
||
2000 | ; |
||
2001 | ;---------------------------------------------------- |
||
2002 | align 4 |
||
2003 | SOCKET_free: |
||
2004 | |||
3556 | hidnplayr | 2005 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2006 | |
2007 | call SOCKET_check |
||
2008 | jz .error |
||
2009 | |||
2010 | push ebx |
||
2011 | |||
2012 | pusha |
||
2013 | lea ecx, [eax + SOCKET.mutex] |
||
2014 | call mutex_lock |
||
2015 | popa |
||
2016 | |||
5969 | hidnplayr | 2017 | cmp [eax + SOCKET.Type], SOCK_STREAM |
2018 | jne .no_stream |
||
3545 | hidnplayr | 2019 | |
2020 | mov ebx, eax |
||
5969 | hidnplayr | 2021 | cmp [eax + STREAM_SOCKET.rcv.start_ptr], 0 |
2022 | je @f |
||
2023 | stdcall free_kernel_space, [eax + STREAM_SOCKET.rcv.start_ptr] |
||
2024 | @@: |
||
2025 | cmp [ebx + STREAM_SOCKET.snd.start_ptr], 0 |
||
2026 | je @f |
||
2027 | stdcall free_kernel_space, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2028 | @@: |
||
3545 | hidnplayr | 2029 | mov eax, ebx |
5969 | hidnplayr | 2030 | .no_stream: |
3545 | hidnplayr | 2031 | |
3652 | hidnplayr | 2032 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2033 | push eax ; this will be passed to kernel_free |
2034 | mov ebx, [eax + SOCKET.NextPtr] |
||
2035 | mov eax, [eax + SOCKET.PrevPtr] |
||
2036 | |||
3556 | hidnplayr | 2037 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2038 | |
2039 | test eax, eax |
||
2040 | jz @f |
||
2041 | mov [eax + SOCKET.NextPtr], ebx |
||
2042 | @@: |
||
2043 | |||
2044 | test ebx, ebx |
||
2045 | jz @f |
||
2046 | mov [ebx + SOCKET.PrevPtr], eax |
||
2047 | @@: |
||
2048 | |||
2049 | call kernel_free |
||
2050 | pop ebx |
||
2051 | |||
3652 | hidnplayr | 2052 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2053 | |||
2054 | .error: |
||
3545 | hidnplayr | 2055 | ret |
2056 | |||
5969 | hidnplayr | 2057 | .error1: |
2058 | pop ebx |
||
2059 | DEBUGF DEBUG_NETWORK_ERROR, "Error in socket free!\n" |
||
2060 | DEBUGF DEBUG_NETWORK_ERROR, "socket ptr=0x%x caller=0x%x\n", eax, [esp] |
||
2061 | ret |
||
2062 | |||
3545 | hidnplayr | 2063 | ;------------------------------------ |
2064 | ; |
||
2065 | ; SOCKET_fork |
||
2066 | ; |
||
2067 | ; Create a child socket |
||
2068 | ; |
||
2069 | ; IN: socket nr in ebx |
||
2070 | ; OUT: child socket nr in eax |
||
2071 | ; |
||
2072 | ;----------------------------------- |
||
2073 | align 4 |
||
2074 | SOCKET_fork: |
||
2075 | |||
3556 | hidnplayr | 2076 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2077 | |
2078 | ; Exit if backlog queue is full |
||
2079 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2080 | cmp ax, [ebx + SOCKET.backlog] |
||
2081 | jae .fail |
||
2082 | |||
2083 | ; Allocate new socket |
||
2084 | push ebx |
||
2085 | call SOCKET_alloc |
||
2086 | pop ebx |
||
4535 | hidnplayr | 2087 | test eax, eax |
3545 | hidnplayr | 2088 | jz .fail |
2089 | |||
2090 | push eax |
||
2091 | mov esi, esp |
||
2092 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2093 | pop eax |
||
2094 | |||
2095 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2096 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2097 | ; TID will be filled in later |
||
3545 | hidnplayr | 2098 | lea esi, [ebx + SOCKET.PID] |
2099 | lea edi, [eax + SOCKET.PID] |
||
2100 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2101 | rep movsd |
3545 | hidnplayr | 2102 | |
2103 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2104 | |||
3817 | hidnplayr | 2105 | ; Notify owner of parent socket |
2106 | push eax |
||
2107 | mov eax, ebx |
||
2108 | call SOCKET_notify |
||
2109 | pop eax |
||
2110 | |||
3545 | hidnplayr | 2111 | ret |
2112 | |||
2113 | .fail2: |
||
2114 | add esp, 4+4+4 |
||
2115 | .fail: |
||
3556 | hidnplayr | 2116 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2117 | xor eax, eax |
2118 | ret |
||
2119 | |||
2120 | |||
2121 | ;--------------------------------------------------- |
||
2122 | ; |
||
2123 | ; SOCKET_num_to_ptr |
||
2124 | ; |
||
2125 | ; Get socket structure address by its number |
||
2126 | ; |
||
2127 | ; IN: ecx = socket number |
||
2128 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2129 | ; |
||
2130 | ;--------------------------------------------------- |
||
2131 | align 4 |
||
2132 | SOCKET_num_to_ptr: |
||
2133 | |||
3556 | hidnplayr | 2134 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2135 | |
3647 | hidnplayr | 2136 | pusha |
2137 | mov ecx, socket_mutex |
||
2138 | call mutex_lock |
||
2139 | popa |
||
2140 | |||
3545 | hidnplayr | 2141 | mov eax, net_sockets |
2142 | .next_socket: |
||
2143 | mov eax, [eax + SOCKET.NextPtr] |
||
5969 | hidnplayr | 2144 | test eax, eax |
3545 | hidnplayr | 2145 | jz .error |
2146 | cmp [eax + SOCKET.Number], ecx |
||
2147 | jne .next_socket |
||
2148 | |||
3647 | hidnplayr | 2149 | pusha |
2150 | mov ecx, socket_mutex |
||
2151 | call mutex_unlock |
||
2152 | popa |
||
2153 | |||
3556 | hidnplayr | 2154 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2155 | ret |
2156 | |||
2157 | .error: |
||
3647 | hidnplayr | 2158 | pusha |
2159 | mov ecx, socket_mutex |
||
2160 | call mutex_unlock |
||
2161 | popa |
||
2162 | |||
4574 | hidnplayr | 2163 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: socket %u not found!\n", eax |
2164 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: caller = 0x%x\n", [esp] |
||
3545 | hidnplayr | 2165 | ret |
2166 | |||
2167 | |||
2168 | ;--------------------------------------------------- |
||
2169 | ; |
||
2170 | ; SOCKET_ptr_to_num |
||
2171 | ; |
||
2172 | ; Get socket number by its address |
||
2173 | ; |
||
2174 | ; IN: eax = socket ptr |
||
2175 | ; OUT: eax = 0 on error, socket num otherwise |
||
2176 | ; ZF = set on error |
||
2177 | ; |
||
2178 | ;--------------------------------------------------- |
||
2179 | align 4 |
||
2180 | SOCKET_ptr_to_num: |
||
2181 | |||
3556 | hidnplayr | 2182 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2183 | |
2184 | call SOCKET_check |
||
2185 | jz .error |
||
2186 | |||
2187 | mov eax, [eax + SOCKET.Number] |
||
2188 | |||
3556 | hidnplayr | 2189 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2190 | ret |
2191 | |||
2192 | .error: |
||
3556 | hidnplayr | 2193 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2194 | ret |
2195 | |||
2196 | |||
2197 | ;--------------------------------------------------- |
||
2198 | ; |
||
2199 | ; SOCKET_check |
||
2200 | ; |
||
2201 | ; checks if the given value is really a socket ptr |
||
2202 | ; |
||
2203 | ; IN: eax = socket ptr |
||
2204 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2205 | ; ZF = set on error |
||
2206 | ; |
||
2207 | ;--------------------------------------------------- |
||
2208 | align 4 |
||
2209 | SOCKET_check: |
||
2210 | |||
3556 | hidnplayr | 2211 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2212 | |
5969 | hidnplayr | 2213 | test eax, eax |
2214 | jz .error |
||
3545 | hidnplayr | 2215 | push ebx |
2216 | mov ebx, net_sockets |
||
2217 | |||
2218 | .next_socket: |
||
2219 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2220 | or ebx, ebx |
||
2221 | jz .done |
||
2222 | cmp ebx, eax |
||
2223 | jnz .next_socket |
||
2224 | |||
2225 | .done: |
||
2226 | mov eax, ebx |
||
2227 | test eax, eax |
||
2228 | pop ebx |
||
5969 | hidnplayr | 2229 | ret |
3545 | hidnplayr | 2230 | |
5969 | hidnplayr | 2231 | .error: |
2232 | DEBUGF DEBUG_NETWORK_ERROR, "Socket_check called with argument 0\n" |
||
2233 | DEBUGF DEBUG_NETWORK_ERROR, "stack: 0x%x, 0x%x, 0x%x\n", [esp], [esp+4], [esp+8] |
||
3545 | hidnplayr | 2234 | ret |
2235 | |||
2236 | |||
2237 | |||
2238 | ;--------------------------------------------------- |
||
2239 | ; |
||
2240 | ; SOCKET_check_owner |
||
2241 | ; |
||
2242 | ; checks if the caller application owns the socket |
||
2243 | ; |
||
2244 | ; IN: eax = socket ptr |
||
2245 | ; OUT: ZF = true/false |
||
2246 | ; |
||
2247 | ;--------------------------------------------------- |
||
2248 | align 4 |
||
2249 | SOCKET_check_owner: |
||
2250 | |||
3556 | hidnplayr | 2251 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2252 | |
2253 | push ebx |
||
2254 | mov ebx, [TASK_BASE] |
||
2255 | mov ebx, [ebx + TASKDATA.pid] |
||
2256 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2257 | pop ebx |
3545 | hidnplayr | 2258 | |
2259 | ret |
||
2260 | |||
2261 | |||
2262 | |||
2263 | |||
2264 | ;------------------------------------------------------ |
||
2265 | ; |
||
2266 | ; SOCKET_process_end |
||
2267 | ; |
||
2268 | ; Kernel calls this function when a certain process ends |
||
2269 | ; This function will check if the process had any open sockets |
||
4366 | hidnplayr | 2270 | ; And update them accordingly (clean up) |
3545 | hidnplayr | 2271 | ; |
2272 | ; IN: edx = pid |
||
2273 | ; OUT: / |
||
2274 | ; |
||
2275 | ;------------------------------------------------------ |
||
2276 | align 4 |
||
2277 | SOCKET_process_end: |
||
2278 | |||
4436 | hidnplayr | 2279 | ret ; FIXME |
2280 | |||
4056 | hidnplayr | 2281 | cmp [net_sockets + SOCKET.NextPtr], 0 ; Are there any active sockets at all? |
2282 | je .quickret ; nope, exit immediately |
||
2283 | |||
2284 | ; TODO: run the following code in another thread, to avoid deadlock |
||
2285 | |||
3556 | hidnplayr | 2286 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2287 | |
3647 | hidnplayr | 2288 | pusha |
2289 | mov ecx, socket_mutex |
||
2290 | call mutex_lock |
||
2291 | popa |
||
2292 | |||
3545 | hidnplayr | 2293 | push ebx |
2294 | mov ebx, net_sockets |
||
2295 | |||
2296 | .next_socket: |
||
2297 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2298 | .next_socket_test: |
||
2299 | test ebx, ebx |
||
2300 | jz .done |
||
2301 | |||
2302 | cmp [ebx + SOCKET.PID], edx |
||
2303 | jne .next_socket |
||
2304 | |||
3556 | hidnplayr | 2305 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2306 | |
2307 | mov [ebx + SOCKET.PID], 0 |
||
2308 | mov eax, ebx |
||
2309 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2310 | |
3545 | hidnplayr | 2311 | pusha |
3652 | hidnplayr | 2312 | cmp [eax + SOCKET.Domain], AF_INET4 |
2313 | jne .free |
||
2314 | |||
2315 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2316 | jne .free |
||
2317 | |||
4366 | hidnplayr | 2318 | call TCP_disconnect |
3652 | hidnplayr | 2319 | jmp .closed |
2320 | |||
2321 | .free: |
||
2322 | call SOCKET_free |
||
2323 | |||
2324 | .closed: |
||
3545 | hidnplayr | 2325 | popa |
2326 | jmp .next_socket_test |
||
2327 | |||
2328 | .done: |
||
2329 | pop ebx |
||
2330 | |||
3647 | hidnplayr | 2331 | pusha |
2332 | mov ecx, socket_mutex |
||
2333 | call mutex_unlock |
||
2334 | popa |
||
2335 | |||
4056 | hidnplayr | 2336 | .quickret: |
3545 | hidnplayr | 2337 | ret |
2338 | |||
2339 | |||
2340 | |||
2341 | |||
2342 | ;----------------------------------------------------------------- |
||
2343 | ; |
||
2344 | ; SOCKET_is_connecting |
||
2345 | ; |
||
2346 | ; IN: eax = socket ptr |
||
2347 | ; OUT: / |
||
2348 | ; |
||
2349 | ;----------------------------------------------------------------- |
||
2350 | |||
2351 | align 4 |
||
2352 | SOCKET_is_connecting: |
||
2353 | |||
3556 | hidnplayr | 2354 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2355 | |
4025 | hidnplayr | 2356 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2357 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
3545 | hidnplayr | 2358 | |
4025 | hidnplayr | 2359 | ret |
3545 | hidnplayr | 2360 | |
2361 | |||
2362 | |||
2363 | ;----------------------------------------------------------------- |
||
2364 | ; |
||
2365 | ; SOCKET_is_connected |
||
2366 | ; |
||
2367 | ; IN: eax = socket ptr |
||
2368 | ; OUT: / |
||
2369 | ; |
||
2370 | ;----------------------------------------------------------------- |
||
2371 | |||
2372 | align 4 |
||
2373 | SOCKET_is_connected: |
||
2374 | |||
3556 | hidnplayr | 2375 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2376 | |
3674 | hidnplayr | 2377 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2378 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
3545 | hidnplayr | 2379 | |
2380 | jmp SOCKET_notify |
||
2381 | |||
2382 | |||
2383 | |||
2384 | |||
2385 | ;----------------------------------------------------------------- |
||
2386 | ; |
||
2387 | ; SOCKET_is_disconnecting |
||
2388 | ; |
||
2389 | ; IN: eax = socket ptr |
||
2390 | ; OUT: / |
||
2391 | ; |
||
2392 | ;----------------------------------------------------------------- |
||
2393 | |||
2394 | align 4 |
||
2395 | SOCKET_is_disconnecting: |
||
2396 | |||
3556 | hidnplayr | 2397 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2398 | |
3674 | hidnplayr | 2399 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2400 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2401 | |
2402 | jmp SOCKET_notify |
||
2403 | |||
2404 | |||
2405 | |||
2406 | ;----------------------------------------------------------------- |
||
2407 | ; |
||
2408 | ; SOCKET_is_disconnected |
||
2409 | ; |
||
2410 | ; IN: eax = socket ptr |
||
2411 | ; OUT: / |
||
2412 | ; |
||
2413 | ;----------------------------------------------------------------- |
||
2414 | |||
2415 | align 4 |
||
2416 | SOCKET_is_disconnected: |
||
2417 | |||
3556 | hidnplayr | 2418 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2419 | |
3674 | hidnplayr | 2420 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2421 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2422 | |
2423 | |||
2424 | jmp SOCKET_notify |
||
2425 | |||
2426 | |||
2427 | |||
2428 | ;----------------------------------------------------------------- |
||
2429 | ; |
||
2430 | ; SOCKET_cant_recv_more |
||
2431 | ; |
||
2432 | ; IN: eax = socket ptr |
||
2433 | ; OUT: / |
||
2434 | ; |
||
2435 | ;----------------------------------------------------------------- |
||
2436 | |||
2437 | align 4 |
||
2438 | SOCKET_cant_recv_more: |
||
2439 | |||
3556 | hidnplayr | 2440 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2441 | |
3674 | hidnplayr | 2442 | or [eax + SOCKET.state], SS_CANTRCVMORE |
3545 | hidnplayr | 2443 | |
3565 | hidnplayr | 2444 | call SOCKET_notify |
2445 | |||
3545 | hidnplayr | 2446 | ret |
2447 | |||
2448 | |||
2449 | |||
2450 | ;----------------------------------------------------------------- |
||
2451 | ; |
||
2452 | ; SOCKET_cant_send_more |
||
2453 | ; |
||
2454 | ; IN: eax = socket ptr |
||
2455 | ; OUT: / |
||
2456 | ; |
||
2457 | ;----------------------------------------------------------------- |
||
2458 | |||
2459 | align 4 |
||
2460 | SOCKET_cant_send_more: |
||
2461 | |||
3556 | hidnplayr | 2462 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2463 | |
3674 | hidnplayr | 2464 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2465 | mov [eax + SOCKET.snd_proc], .notconn |
3545 | hidnplayr | 2466 | |
3565 | hidnplayr | 2467 | call SOCKET_notify |
2468 | |||
3658 | hidnplayr | 2469 | ret |
2470 | |||
2471 | .notconn: |
||
3673 | hidnplayr | 2472 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2473 | mov dword[esp+32], -1 |
5356 | serge | 2474 | ret |