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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org, ;; |
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9 | ;; and Clevermouse. ;; |
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10 | ;; ;; |
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11 | ;; Based on code by mike.dld ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
18 | $Revision: 3514 $ |
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19 | |||
3658 | hidnplayr | 20 | ENOBUFS = 1 |
21 | EOPNOTSUPP = 4 |
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22 | EWOULDBLOCK = 6 |
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23 | ENOTCONN = 9 |
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24 | EALREADY = 10 |
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25 | EINVAL = 11 |
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26 | EMSGSIZE = 12 |
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27 | ENOMEM = 18 |
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28 | EADDRINUSE = 20 |
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3545 | hidnplayr | 29 | |
3658 | hidnplayr | 30 | |
3545 | hidnplayr | 31 | struct SOCKET |
32 | |||
33 | NextPtr dd ? ; pointer to next socket in list |
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34 | PrevPtr dd ? ; pointer to previous socket in list |
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35 | Number dd ? ; socket number |
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36 | |||
37 | mutex MUTEX |
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38 | |||
39 | PID dd ? ; process ID |
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40 | TID dd ? ; thread ID |
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41 | Domain dd ? ; INET/LOCAL/.. |
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42 | Type dd ? ; RAW/STREAM/DGRAP |
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43 | Protocol dd ? ; ICMP/IPv4/ARP/TCP/UDP |
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44 | errorcode dd ? |
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45 | device dd ? ; driver pointer, socket pointer if it's an LOCAL socket |
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46 | |||
47 | options dd ? |
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48 | state dd ? |
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49 | backlog dw ? ; how many incoming connections that can be queued |
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50 | |||
51 | snd_proc dd ? |
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52 | rcv_proc dd ? |
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53 | |||
54 | ends |
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55 | |||
56 | struct IP_SOCKET SOCKET |
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57 | |||
58 | LocalIP rd 4 ; network byte order |
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59 | RemoteIP rd 4 ; network byte order |
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60 | |||
61 | ends |
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62 | |||
63 | struct TCP_SOCKET IP_SOCKET |
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64 | |||
65 | LocalPort dw ? ; network byte order |
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66 | RemotePort dw ? ; network byte order |
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67 | |||
68 | t_state dd ? ; TCB state |
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69 | t_rxtshift db ? |
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70 | rb 3 ; align |
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71 | t_rxtcur dd ? |
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72 | t_dupacks dd ? |
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73 | t_maxseg dd ? |
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74 | t_force dd ? |
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75 | t_flags dd ? |
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76 | |||
77 | ;--------------- |
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78 | ; RFC783 page 21 |
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79 | |||
80 | ; send sequence |
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81 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
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82 | SND_NXT dd ? ; next send sequence number to use |
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83 | SND_UP dd ? ; urgent pointer |
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84 | SND_WL1 dd ? ; window minus one |
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85 | SND_WL2 dd ? ; |
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86 | ISS dd ? ; initial send sequence number |
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87 | SND_WND dd ? ; send window |
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88 | |||
89 | ; receive sequence |
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90 | RCV_WND dd ? ; receive window |
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91 | RCV_NXT dd ? ; next receive sequence number to use |
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92 | RCV_UP dd ? ; urgent pointer |
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93 | IRS dd ? ; initial receive sequence number |
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94 | |||
95 | ;--------------------- |
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96 | ; Additional variables |
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97 | |||
98 | ; receive variables |
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99 | RCV_ADV dd ? |
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100 | |||
101 | ; retransmit variables |
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102 | SND_MAX dd ? |
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103 | |||
104 | ; congestion control |
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105 | SND_CWND dd ? |
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106 | SND_SSTHRESH dd ? |
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107 | |||
108 | ;---------------------- |
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109 | ; Transmit timing stuff |
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110 | t_idle dd ? |
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111 | t_rtt dd ? |
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112 | t_rtseq dd ? |
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113 | t_srtt dd ? |
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114 | t_rttvar dd ? |
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115 | t_rttmin dd ? |
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116 | max_sndwnd dd ? |
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117 | |||
118 | ;----------------- |
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119 | ; Out-of-band data |
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120 | t_oobflags dd ? |
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121 | t_iobc dd ? |
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122 | t_softerror dd ? |
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123 | |||
124 | |||
125 | ;--------- |
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126 | ; RFC 1323 ; the order of next 4 elements may not change |
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127 | |||
128 | SND_SCALE db ? |
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129 | RCV_SCALE db ? |
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130 | requested_s_scale db ? |
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131 | request_r_scale db ? |
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132 | |||
133 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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134 | ts_recent_age dd ? |
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135 | last_ack_sent dd ? |
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136 | |||
137 | |||
138 | ;------- |
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139 | ; Timers |
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3600 | hidnplayr | 140 | timer_flags dd ? |
3545 | hidnplayr | 141 | timer_retransmission dd ? ; rexmt |
142 | timer_persist dd ? |
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143 | timer_keepalive dd ? ; keepalive/syn timeout |
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144 | timer_timed_wait dd ? ; also used as 2msl timer |
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145 | |||
146 | ; extra |
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147 | |||
148 | ts_ecr dd ? ; timestamp echo reply |
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149 | ts_val dd ? |
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150 | |||
151 | seg_next dd ? ; re-assembly queue |
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152 | |||
153 | temp_bits db ? |
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154 | rb 3 ; align |
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155 | |||
156 | ends |
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157 | |||
158 | struct UDP_SOCKET IP_SOCKET |
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159 | |||
160 | LocalPort dw ? ; network byte order |
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161 | RemotePort dw ? ; network byte order |
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162 | firstpacket db ? |
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163 | |||
164 | ends |
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165 | |||
166 | |||
167 | struct ICMP_SOCKET IP_SOCKET |
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168 | |||
169 | Identifier dw ? |
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170 | |||
171 | ends |
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172 | |||
173 | |||
174 | struct RING_BUFFER |
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175 | |||
176 | mutex MUTEX |
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177 | start_ptr dd ? ; Pointer to start of buffer |
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178 | end_ptr dd ? ; pointer to end of buffer |
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179 | read_ptr dd ? ; Read pointer |
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180 | write_ptr dd ? ; Write pointer |
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181 | size dd ? ; Number of bytes buffered |
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182 | |||
183 | ends |
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184 | |||
185 | struct STREAM_SOCKET TCP_SOCKET |
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186 | |||
187 | rcv RING_BUFFER |
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188 | snd RING_BUFFER |
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189 | |||
190 | ends |
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191 | |||
192 | struct socket_queue_entry |
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193 | |||
194 | data_ptr dd ? |
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195 | buf_ptr dd ? |
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196 | data_size dd ? |
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197 | |||
198 | ends |
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199 | |||
200 | |||
201 | SOCKETBUFFSIZE = 4096 ; in bytes |
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202 | |||
203 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
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204 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
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205 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
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206 | |||
207 | uglobal |
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208 | net_sockets rd 4 |
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209 | last_socket_num dd ? |
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210 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
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211 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 212 | socket_mutex MUTEX |
3545 | hidnplayr | 213 | endg |
214 | |||
215 | |||
216 | ;----------------------------------------------------------------- |
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217 | ; |
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218 | ; SOCKET_init |
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219 | ; |
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220 | ;----------------------------------------------------------------- |
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221 | macro SOCKET_init { |
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222 | |||
223 | xor eax, eax |
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224 | mov edi, net_sockets |
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225 | mov ecx, 5 |
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226 | rep stosd |
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227 | |||
228 | @@: |
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229 | pseudo_random eax |
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3600 | hidnplayr | 230 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 231 | jb @r |
3600 | hidnplayr | 232 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 233 | ja @r |
234 | xchg al, ah |
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235 | mov [last_UDP_port], ax |
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236 | |||
237 | @@: |
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238 | pseudo_random eax |
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3600 | hidnplayr | 239 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 240 | jb @r |
3600 | hidnplayr | 241 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 242 | ja @r |
243 | xchg al, ah |
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244 | mov [last_TCP_port], ax |
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245 | |||
3647 | hidnplayr | 246 | mov ecx, socket_mutex |
247 | call mutex_init |
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248 | |||
3545 | hidnplayr | 249 | } |
250 | |||
251 | ;----------------------------------------------------------------- |
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252 | ; |
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253 | ; Socket API (function 74) |
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254 | ; |
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255 | ;----------------------------------------------------------------- |
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256 | align 4 |
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257 | sys_socket: |
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258 | |||
259 | cmp ebx, 255 |
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260 | jz SOCKET_debug |
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261 | |||
262 | cmp ebx, .number |
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3658 | hidnplayr | 263 | ja .error |
3545 | hidnplayr | 264 | jmp dword [.table + 4*ebx] |
265 | |||
266 | .table: |
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267 | dd SOCKET_open ; 0 |
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268 | dd SOCKET_close ; 1 |
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269 | dd SOCKET_bind ; 2 |
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270 | dd SOCKET_listen ; 3 |
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271 | dd SOCKET_connect ; 4 |
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272 | dd SOCKET_accept ; 5 |
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273 | dd SOCKET_send ; 6 |
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274 | dd SOCKET_receive ; 7 |
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275 | dd SOCKET_set_opt ; 8 |
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276 | dd SOCKET_get_opt ; 9 |
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277 | dd SOCKET_pair ; 10 |
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278 | .number = ($ - .table) / 4 - 1 |
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279 | |||
3658 | hidnplayr | 280 | .error: |
281 | mov dword[esp+32], -1 |
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282 | mov dword[esp+24], EINVAL |
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3545 | hidnplayr | 283 | |
284 | ret |
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285 | |||
286 | ;----------------------------------------------------------------- |
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287 | ; |
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288 | ; SOCKET_open |
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289 | ; |
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290 | ; IN: domain in ecx |
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291 | ; type in edx |
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292 | ; protocol in esi |
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293 | ; OUT: eax is socket num, -1 on error |
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294 | ; |
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295 | ;----------------------------------------------------------------- |
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296 | align 4 |
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297 | SOCKET_open: |
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298 | |||
3556 | hidnplayr | 299 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 300 | |
301 | push ecx edx esi |
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302 | call SOCKET_alloc |
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303 | pop esi edx ecx |
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3658 | hidnplayr | 304 | jz .nobuffs |
3545 | hidnplayr | 305 | |
306 | mov [esp+32], edi ; return socketnumber |
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3556 | hidnplayr | 307 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 308 | |
309 | ; push edx |
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310 | ; and edx, SO_NONBLOCK |
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311 | or [eax + SOCKET.options], SO_NONBLOCK ;edx |
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312 | ; pop edx |
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313 | ; and edx, not SO_NONBLOCK |
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314 | |||
315 | mov [eax + SOCKET.Domain], ecx |
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316 | mov [eax + SOCKET.Type], edx |
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317 | mov [eax + SOCKET.Protocol], esi |
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318 | |||
319 | cmp ecx, AF_INET4 |
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320 | jne .no_inet4 |
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321 | |||
322 | cmp edx, SOCK_DGRAM |
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323 | je .udp |
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324 | |||
325 | cmp edx, SOCK_STREAM |
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326 | je .tcp |
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327 | |||
328 | cmp edx, SOCK_RAW |
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329 | je .raw |
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330 | |||
331 | .no_inet4: |
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332 | cmp ecx, AF_PPP |
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333 | jne .no_ppp |
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334 | |||
335 | cmp esi, PPP_PROTO_ETHERNET |
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336 | je .pppoe |
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337 | |||
338 | .no_ppp: |
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3658 | hidnplayr | 339 | .unsupported: |
340 | push eax |
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341 | call SOCKET_free |
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342 | pop eax |
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343 | mov dword[esp+24], EOPNOTSUPP |
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344 | mov dword[esp+32], -1 |
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3545 | hidnplayr | 345 | ret |
346 | |||
3658 | hidnplayr | 347 | .nobuffs: |
348 | mov dword[esp+24], ENOBUFS |
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349 | mov dword[esp+32], -1 |
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350 | ret |
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351 | |||
3545 | hidnplayr | 352 | .raw: |
353 | test esi, esi ; IP_PROTO_IP |
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3658 | hidnplayr | 354 | jz .raw_ip |
3545 | hidnplayr | 355 | |
356 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 357 | je .raw_icmp |
3545 | hidnplayr | 358 | |
3658 | hidnplayr | 359 | jmp .unsupported |
3545 | hidnplayr | 360 | |
361 | align 4 |
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362 | .udp: |
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363 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
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364 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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365 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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366 | ret |
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367 | |||
368 | align 4 |
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369 | .tcp: |
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370 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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371 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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372 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
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373 | |||
374 | TCP_init_socket eax |
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375 | ret |
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376 | |||
377 | |||
378 | align 4 |
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3658 | hidnplayr | 379 | .raw_ip: |
3545 | hidnplayr | 380 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
381 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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382 | ret |
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383 | |||
384 | |||
385 | align 4 |
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3658 | hidnplayr | 386 | .raw_icmp: |
3545 | hidnplayr | 387 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
388 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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389 | ret |
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390 | |||
391 | align 4 |
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392 | .pppoe: |
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393 | push eax |
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394 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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395 | pop eax |
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396 | |||
397 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
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398 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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399 | ret |
||
400 | |||
401 | |||
402 | ;----------------------------------------------------------------- |
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403 | ; |
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404 | ; SOCKET_bind |
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405 | ; |
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406 | ; IN: socket number in ecx |
||
407 | ; pointer to sockaddr struct in edx |
||
408 | ; length of that struct in esi |
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409 | ; OUT: 0 on success |
||
410 | ; |
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411 | ;----------------------------------------------------------------- |
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412 | align 4 |
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413 | SOCKET_bind: |
||
414 | |||
3556 | hidnplayr | 415 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 416 | |
417 | call SOCKET_num_to_ptr |
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3658 | hidnplayr | 418 | jz .invalid |
3545 | hidnplayr | 419 | |
420 | cmp esi, 2 |
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3658 | hidnplayr | 421 | jb .invalid |
3545 | hidnplayr | 422 | |
423 | cmp word [edx], AF_INET4 |
||
424 | je .af_inet4 |
||
425 | |||
426 | cmp word [edx], AF_LOCAL |
||
427 | je .af_local |
||
428 | |||
3658 | hidnplayr | 429 | .notsupp: |
430 | mov dword[esp+24], EOPNOTSUPP |
||
431 | mov dword[esp+32], -1 |
||
432 | ret |
||
3545 | hidnplayr | 433 | |
3658 | hidnplayr | 434 | .invalid: |
435 | mov dword[esp+24], EINVAL |
||
436 | mov dword[esp+32], -1 |
||
437 | ret |
||
438 | |||
3545 | hidnplayr | 439 | .af_local: |
440 | ; TODO: write code here |
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3658 | hidnplayr | 441 | mov dword[esp+32], 0 |
3545 | hidnplayr | 442 | ret |
443 | |||
444 | .af_inet4: |
||
445 | cmp esi, 6 |
||
3658 | hidnplayr | 446 | jb .invalid |
3545 | hidnplayr | 447 | |
448 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
449 | je .udp |
||
450 | |||
451 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
452 | je .tcp |
||
453 | |||
3658 | hidnplayr | 454 | jmp .notsupp |
3545 | hidnplayr | 455 | |
456 | .tcp: |
||
457 | .udp: |
||
3637 | hidnplayr | 458 | mov ebx, [edx + 4] ; First, fill in the IP |
3545 | hidnplayr | 459 | test ebx, ebx ; If IP is 0, use default |
460 | jnz @f |
||
3601 | hidnplayr | 461 | mov ebx, [IP_LIST + 4] ;;;;; FIXME !i!i!i |
3545 | hidnplayr | 462 | @@: |
463 | mov [eax + IP_SOCKET.LocalIP], ebx |
||
464 | |||
465 | mov bx, [edx + 2] ; Now fill in the local port if it's still available |
||
466 | call SOCKET_check_port |
||
3658 | hidnplayr | 467 | jz .addrinuse ; ZF is set by socket_check_port, on error |
3545 | hidnplayr | 468 | |
3556 | hidnplayr | 469 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 470 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
471 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
472 | |||
3658 | hidnplayr | 473 | mov dword[esp+32], 0 |
3545 | hidnplayr | 474 | ret |
475 | |||
3658 | hidnplayr | 476 | .addrinuse: |
477 | mov dword[esp+32], -1 |
||
478 | mov dword[esp+24], EADDRINUSE |
||
479 | ret |
||
3545 | hidnplayr | 480 | |
481 | |||
482 | |||
3658 | hidnplayr | 483 | |
3545 | hidnplayr | 484 | ;----------------------------------------------------------------- |
485 | ; |
||
486 | ; SOCKET_connect |
||
487 | ; |
||
488 | ; IN: socket number in ecx |
||
489 | ; pointer to sockaddr struct in edx |
||
490 | ; length of that struct in esi |
||
491 | ; OUT: 0 on success |
||
492 | ; |
||
493 | ;----------------------------------------------------------------- |
||
494 | align 4 |
||
495 | SOCKET_connect: |
||
496 | |||
3556 | hidnplayr | 497 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 498 | |
499 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 500 | jz .invalid |
3545 | hidnplayr | 501 | |
502 | cmp esi, 8 |
||
3658 | hidnplayr | 503 | jb .invalid |
3545 | hidnplayr | 504 | |
505 | cmp word [edx], AF_INET4 |
||
506 | je .af_inet4 |
||
507 | |||
3658 | hidnplayr | 508 | .notsupp: |
509 | mov dword[esp+24], EOPNOTSUPP |
||
510 | mov dword[esp+32], -1 |
||
511 | ret |
||
3545 | hidnplayr | 512 | |
3658 | hidnplayr | 513 | .invalid: |
514 | mov dword[esp+24], EINVAL |
||
515 | mov dword[esp+32], -1 |
||
516 | ret |
||
517 | |||
3545 | hidnplayr | 518 | .af_inet4: |
519 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
520 | jne @f |
||
3601 | hidnplayr | 521 | push [IP_LIST + 4] ; FIXME !i!i!i! |
3545 | hidnplayr | 522 | pop [eax + IP_SOCKET.LocalIP] |
523 | @@: |
||
524 | |||
525 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
526 | je .udp |
||
527 | |||
528 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
529 | je .tcp |
||
530 | |||
531 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
||
532 | je .ip |
||
533 | |||
534 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
||
535 | je .ip |
||
536 | |||
3658 | hidnplayr | 537 | jmp .notsupp |
3545 | hidnplayr | 538 | |
539 | align 4 |
||
540 | .udp: |
||
541 | pusha |
||
542 | lea ecx, [eax + SOCKET.mutex] |
||
543 | call mutex_lock |
||
544 | popa |
||
545 | |||
546 | pushw [edx + 2] |
||
547 | pop [eax + UDP_SOCKET.RemotePort] |
||
548 | |||
549 | pushd [edx + 4] |
||
550 | pop [eax + IP_SOCKET.RemoteIP] |
||
551 | |||
552 | cmp [eax + UDP_SOCKET.LocalPort], 0 |
||
553 | jne @f |
||
554 | call SOCKET_find_port |
||
555 | @@: |
||
556 | |||
557 | mov [eax + UDP_SOCKET.firstpacket], 0 |
||
558 | |||
559 | push eax |
||
560 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
561 | pop eax |
||
562 | |||
563 | lea ecx, [eax + SOCKET.mutex] |
||
564 | call mutex_unlock |
||
565 | |||
3658 | hidnplayr | 566 | mov dword[esp+32], 0 |
3545 | hidnplayr | 567 | ret |
568 | |||
569 | align 4 |
||
570 | .tcp: |
||
571 | pusha |
||
572 | lea ecx, [eax + SOCKET.mutex] |
||
573 | call mutex_lock |
||
574 | popa |
||
575 | |||
576 | pushw [edx + 2] |
||
577 | pop [eax + TCP_SOCKET.RemotePort] |
||
578 | |||
579 | pushd [edx + 4] |
||
580 | pop [eax + IP_SOCKET.RemoteIP] |
||
581 | |||
582 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
583 | jne @f |
||
584 | call SOCKET_find_port |
||
585 | @@: |
||
586 | |||
587 | mov [eax + TCP_SOCKET.timer_persist], 0 |
||
588 | mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT |
||
589 | |||
590 | push [TCP_sequence_num] |
||
591 | add [TCP_sequence_num], 6400 |
||
592 | pop [eax + TCP_SOCKET.ISS] |
||
593 | mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init |
||
594 | |||
595 | |||
596 | TCP_sendseqinit eax |
||
597 | |||
598 | ; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer |
||
599 | |||
600 | mov ebx, eax |
||
601 | |||
602 | lea eax, [ebx + STREAM_SOCKET.snd] |
||
3658 | hidnplayr | 603 | call SOCKET_ring_create ; TODO: check if memory was available or not |
3545 | hidnplayr | 604 | |
605 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
3658 | hidnplayr | 606 | call SOCKET_ring_create ; TODO: same here |
3545 | hidnplayr | 607 | |
608 | pusha |
||
609 | lea ecx, [ebx + SOCKET.mutex] |
||
610 | call mutex_unlock |
||
611 | popa |
||
612 | |||
613 | mov eax, ebx |
||
614 | call TCP_output |
||
615 | |||
616 | ;;; TODO: wait for successfull connection if blocking socket |
||
617 | |||
3658 | hidnplayr | 618 | mov dword[esp+32], 0 |
3545 | hidnplayr | 619 | ret |
620 | |||
621 | align 4 |
||
622 | .ip: |
||
623 | pusha |
||
624 | lea ecx, [eax + SOCKET.mutex] |
||
625 | call mutex_lock |
||
626 | popa |
||
627 | |||
628 | pushd [edx + 4] |
||
629 | pop [eax + IP_SOCKET.RemoteIP] |
||
630 | |||
631 | push eax |
||
632 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
633 | pop eax |
||
634 | |||
635 | lea ecx, [eax + SOCKET.mutex] |
||
636 | call mutex_unlock |
||
637 | |||
3658 | hidnplayr | 638 | mov dword[esp+32], 0 |
3545 | hidnplayr | 639 | ret |
640 | |||
641 | |||
642 | ;----------------------------------------------------------------- |
||
643 | ; |
||
644 | ; SOCKET_listen |
||
645 | ; |
||
646 | ; IN: socket number in ecx |
||
647 | ; backlog in edx |
||
648 | ; OUT: eax is socket num, -1 on error |
||
649 | ; |
||
650 | ;----------------------------------------------------------------- |
||
651 | align 4 |
||
652 | SOCKET_listen: |
||
653 | |||
3556 | hidnplayr | 654 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 655 | |
656 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 657 | jz .invalid |
3545 | hidnplayr | 658 | |
659 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 660 | jne .notsupp |
3545 | hidnplayr | 661 | |
662 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 663 | jne .invalid |
3545 | hidnplayr | 664 | |
665 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 666 | je .already |
3545 | hidnplayr | 667 | |
668 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
669 | jne @f |
||
3601 | hidnplayr | 670 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 671 | pop [eax + IP_SOCKET.LocalIP] |
672 | @@: |
||
673 | |||
674 | cmp edx, MAX_backlog |
||
675 | jbe @f |
||
676 | mov edx, MAX_backlog |
||
677 | @@: |
||
678 | |||
679 | mov [eax + SOCKET.backlog], dx |
||
680 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
681 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
682 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
683 | |||
684 | push eax |
||
685 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
686 | pop eax |
||
687 | |||
3658 | hidnplayr | 688 | mov dword[esp+32], 0 |
689 | ret |
||
3545 | hidnplayr | 690 | |
3658 | hidnplayr | 691 | .notsupp: |
692 | mov dword[esp+24], EOPNOTSUPP |
||
693 | mov dword[esp+32], -1 |
||
3545 | hidnplayr | 694 | ret |
695 | |||
3658 | hidnplayr | 696 | .invalid: |
697 | mov dword[esp+24], EINVAL |
||
698 | mov dword[esp+32], -1 |
||
699 | ret |
||
3545 | hidnplayr | 700 | |
3658 | hidnplayr | 701 | .already: |
702 | mov dword[esp+24], EALREADY |
||
703 | mov dword[esp+32], -1 |
||
704 | ret |
||
705 | |||
706 | |||
3545 | hidnplayr | 707 | ;----------------------------------------------------------------- |
708 | ; |
||
709 | ; SOCKET_accept |
||
710 | ; |
||
711 | ; IN: socket number in ecx |
||
712 | ; addr in edx |
||
713 | ; addrlen in esi |
||
714 | ; OUT: eax is socket num, -1 on error |
||
715 | ; |
||
716 | ;----------------------------------------------------------------- |
||
717 | align 4 |
||
718 | SOCKET_accept: |
||
719 | |||
3556 | hidnplayr | 720 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 721 | |
722 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 723 | jz .invalid |
3545 | hidnplayr | 724 | |
725 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 726 | jz .invalid |
3545 | hidnplayr | 727 | |
728 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 729 | jne .notsupp |
3545 | hidnplayr | 730 | |
731 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 732 | jne .invalid |
3545 | hidnplayr | 733 | |
734 | .loop: |
||
735 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
736 | |||
737 | ; Ok, we got a socket ptr |
||
738 | mov eax, [esi] |
||
739 | |||
3658 | hidnplayr | 740 | ; Convert it to a socket number |
741 | call SOCKET_ptr_to_num |
||
742 | jz .invalid ; FIXME ? |
||
743 | |||
3545 | hidnplayr | 744 | ; Change thread ID to that of the current thread |
745 | mov ebx, [TASK_BASE] |
||
746 | mov ebx, [ebx + TASKDATA.pid] |
||
747 | mov [eax + SOCKET.TID], ebx |
||
748 | |||
749 | ; and return it to caller |
||
750 | mov [esp+32], eax |
||
751 | ret |
||
752 | |||
753 | .block: |
||
754 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 755 | jnz .wouldblock |
3545 | hidnplayr | 756 | |
757 | call SOCKET_block |
||
758 | jmp .loop |
||
759 | |||
3658 | hidnplayr | 760 | .wouldblock: |
761 | mov dword[esp+24], EWOULDBLOCK |
||
762 | mov dword[esp+32], -1 |
||
763 | ret |
||
764 | |||
765 | .invalid: |
||
766 | mov dword[esp+24], EINVAL |
||
767 | mov dword[esp+32], -1 |
||
768 | ret |
||
769 | |||
770 | .notsupp: |
||
771 | mov dword[esp+24], EOPNOTSUPP |
||
772 | mov dword[esp+32], -1 |
||
773 | ret |
||
774 | |||
3545 | hidnplayr | 775 | ;----------------------------------------------------------------- |
776 | ; |
||
777 | ; SOCKET_close |
||
778 | ; |
||
779 | ; IN: socket number in ecx |
||
780 | ; OUT: eax is socket num, -1 on error |
||
781 | ; |
||
782 | ;----------------------------------------------------------------- |
||
783 | align 4 |
||
784 | SOCKET_close: |
||
785 | |||
3556 | hidnplayr | 786 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 787 | |
788 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 789 | jz .invalid |
3545 | hidnplayr | 790 | |
3658 | hidnplayr | 791 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 792 | |
793 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
794 | |||
795 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
796 | jz @f |
||
797 | call SOCKET_notify.unblock ; Unblock it. |
||
798 | @@: |
||
799 | |||
800 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
801 | jne .free |
||
802 | |||
803 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
804 | je .tcp |
||
805 | |||
806 | .free: |
||
807 | call SOCKET_free |
||
808 | ret |
||
809 | |||
810 | .tcp: |
||
811 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
||
812 | jb .free |
||
813 | |||
814 | call TCP_usrclosed |
||
815 | call TCP_output ;;;; Fixme: is this nescessary?? |
||
3646 | hidnplayr | 816 | call SOCKET_free |
3545 | hidnplayr | 817 | |
818 | ret |
||
819 | |||
820 | |||
3658 | hidnplayr | 821 | .invalid: |
822 | mov dword[esp+24], EINVAL |
||
823 | mov dword[esp+32], -1 |
||
824 | ret |
||
825 | |||
826 | |||
3545 | hidnplayr | 827 | ;----------------------------------------------------------------- |
828 | ; |
||
829 | ; SOCKET_receive |
||
830 | ; |
||
831 | ; IN: socket number in ecx |
||
832 | ; addr to buffer in edx |
||
833 | ; length of buffer in esi |
||
834 | ; flags in edi |
||
835 | ; OUT: eax is number of bytes copied, -1 on error |
||
836 | ; |
||
837 | ;----------------------------------------------------------------- |
||
838 | align 4 |
||
839 | SOCKET_receive: |
||
840 | |||
3556 | hidnplayr | 841 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 842 | |
843 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 844 | jz .invalid |
3545 | hidnplayr | 845 | |
3565 | hidnplayr | 846 | call [eax + SOCKET.rcv_proc] |
3545 | hidnplayr | 847 | |
3658 | hidnplayr | 848 | mov [esp+24], ebx |
3565 | hidnplayr | 849 | mov [esp+32], eax |
850 | ret |
||
3545 | hidnplayr | 851 | |
3565 | hidnplayr | 852 | |
3658 | hidnplayr | 853 | .invalid: |
854 | mov dword[esp+24], EINVAL |
||
855 | mov dword[esp+32], -1 |
||
856 | ret |
||
857 | |||
3545 | hidnplayr | 858 | align 4 |
859 | SOCKET_receive_dgram: |
||
3556 | hidnplayr | 860 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 861 | |
862 | mov ebx, esi |
||
863 | mov edi, edx ; addr to buffer |
||
864 | |||
865 | .loop: |
||
866 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .block ; destroys esi and ecx |
||
867 | |||
868 | mov ecx, [esi + socket_queue_entry.data_size] |
||
3556 | hidnplayr | 869 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 870 | |
871 | cmp ecx, ebx |
||
872 | ja .too_small |
||
873 | |||
3565 | hidnplayr | 874 | push ecx |
3545 | hidnplayr | 875 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
876 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 877 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 878 | |
879 | ; copy the data |
||
880 | shr ecx, 1 |
||
881 | jnc .nb |
||
882 | movsb |
||
883 | .nb: |
||
884 | shr ecx, 1 |
||
885 | jnc .nw |
||
886 | movsw |
||
887 | .nw: |
||
888 | test ecx, ecx |
||
889 | jz .nd |
||
890 | rep movsd |
||
891 | .nd: |
||
892 | |||
893 | call kernel_free ; remove the packet |
||
3565 | hidnplayr | 894 | pop eax |
3545 | hidnplayr | 895 | ret |
896 | |||
897 | .too_small: |
||
3565 | hidnplayr | 898 | mov eax, -1 |
3658 | hidnplayr | 899 | mov ebx, EMSGSIZE |
3565 | hidnplayr | 900 | ret |
3545 | hidnplayr | 901 | |
902 | .block: |
||
903 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 904 | jnz .wouldblock |
3545 | hidnplayr | 905 | |
906 | call SOCKET_block |
||
907 | jmp .loop |
||
908 | |||
3658 | hidnplayr | 909 | .wouldblock: |
910 | mov eax, -1 |
||
911 | mov ebx, EWOULDBLOCK |
||
912 | ret |
||
3545 | hidnplayr | 913 | |
3658 | hidnplayr | 914 | |
3545 | hidnplayr | 915 | align 4 |
916 | SOCKET_receive_local: |
||
917 | |||
918 | ; does this socket have a PID yet? |
||
919 | cmp [eax + SOCKET.PID], 0 |
||
920 | jne @f |
||
921 | |||
922 | ; Change PID to that of current process |
||
923 | mov ebx, [TASK_BASE] |
||
924 | mov ebx, [ebx + TASKDATA.pid] |
||
925 | mov [eax + SOCKET.PID], ebx |
||
926 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
927 | @@: |
||
928 | |||
929 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
930 | |||
931 | align 4 |
||
932 | SOCKET_receive_stream: |
||
933 | |||
3556 | hidnplayr | 934 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 935 | |
936 | mov ebx, edi |
||
937 | mov ecx, esi |
||
938 | mov edi, edx |
||
939 | xor edx, edx |
||
940 | |||
941 | test ebx, MSG_DONTWAIT |
||
942 | jnz .dontwait |
||
943 | .loop: |
||
944 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
||
945 | je .block |
||
946 | .dontwait: |
||
947 | test ebx, MSG_PEEK |
||
948 | jnz .peek |
||
949 | |||
950 | add eax, STREAM_SOCKET.rcv |
||
951 | call SOCKET_ring_read |
||
952 | call SOCKET_ring_free |
||
953 | |||
3565 | hidnplayr | 954 | mov eax, ecx ; return number of bytes copied |
3545 | hidnplayr | 955 | ret |
956 | |||
957 | .peek: |
||
3565 | hidnplayr | 958 | mov eax, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3545 | hidnplayr | 959 | ret |
960 | |||
961 | .block: |
||
962 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 963 | jnz .wouldblock |
3545 | hidnplayr | 964 | |
965 | call SOCKET_block |
||
966 | jmp .loop |
||
967 | |||
968 | .return0: |
||
3565 | hidnplayr | 969 | test [eax + SOCKET.options], SS_CANTRCVMORE |
970 | jz .ok |
||
971 | |||
972 | xor eax, eax |
||
973 | dec eax |
||
3545 | hidnplayr | 974 | ret |
975 | |||
3565 | hidnplayr | 976 | .ok: |
977 | xor eax, eax |
||
978 | ret |
||
3545 | hidnplayr | 979 | |
3658 | hidnplayr | 980 | .wouldblock: |
981 | mov eax, -1 |
||
982 | mov ebx, EWOULDBLOCK |
||
983 | ret |
||
3565 | hidnplayr | 984 | |
3658 | hidnplayr | 985 | |
986 | |||
3545 | hidnplayr | 987 | ;----------------------------------------------------------------- |
988 | ; |
||
989 | ; SOCKET_send |
||
990 | ; |
||
991 | ; |
||
992 | ; IN: socket number in ecx |
||
993 | ; pointer to data in edx |
||
994 | ; datalength in esi |
||
995 | ; flags in edi |
||
996 | ; OUT: -1 on error |
||
997 | ; |
||
998 | ;----------------------------------------------------------------- |
||
999 | align 4 |
||
1000 | SOCKET_send: |
||
1001 | |||
3556 | hidnplayr | 1002 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 1003 | |
1004 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1005 | jz .invalid |
3545 | hidnplayr | 1006 | |
1007 | mov ecx, esi |
||
1008 | mov esi, edx |
||
1009 | |||
1010 | jmp [eax + SOCKET.snd_proc] |
||
1011 | |||
3658 | hidnplayr | 1012 | .invalid: |
1013 | mov dword[esp+24], EINVAL |
||
1014 | mov dword[esp+32], -1 |
||
1015 | ret |
||
3545 | hidnplayr | 1016 | |
3658 | hidnplayr | 1017 | |
3545 | hidnplayr | 1018 | align 4 |
1019 | SOCKET_send_udp: |
||
1020 | |||
3556 | hidnplayr | 1021 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1022 | |
1023 | mov [esp+32], ecx |
||
1024 | call UDP_output |
||
1025 | cmp eax, -1 |
||
3658 | hidnplayr | 1026 | je .error |
3545 | hidnplayr | 1027 | ret |
1028 | |||
3658 | hidnplayr | 1029 | .error: |
1030 | mov dword[esp+32], -1 |
||
1031 | mov dword[esp+24], EMSGSIZE ; FIXME: UDP_output should return error codes! |
||
1032 | ret |
||
3545 | hidnplayr | 1033 | |
3658 | hidnplayr | 1034 | |
3545 | hidnplayr | 1035 | align 4 |
1036 | SOCKET_send_tcp: |
||
1037 | |||
3556 | hidnplayr | 1038 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1039 | |
1040 | push eax |
||
1041 | add eax, STREAM_SOCKET.snd |
||
1042 | call SOCKET_ring_write |
||
1043 | pop eax |
||
1044 | |||
1045 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1046 | mov [eax + SOCKET.errorcode], 0 |
1047 | push eax |
||
1048 | call TCP_output ; FIXME: this doesnt look pretty, does it? |
||
1049 | pop eax |
||
1050 | mov eax, [eax + SOCKET.errorcode] |
||
1051 | mov [esp+24], eax |
||
3545 | hidnplayr | 1052 | ret |
1053 | |||
1054 | |||
1055 | align 4 |
||
1056 | SOCKET_send_ip: |
||
1057 | |||
3556 | hidnplayr | 1058 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1059 | |
1060 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1061 | call IPv4_output_raw ; FIXME: IPv4_output_raw should return error codes! |
3545 | hidnplayr | 1062 | cmp eax, -1 |
3658 | hidnplayr | 1063 | je .error |
3545 | hidnplayr | 1064 | ret |
1065 | |||
3658 | hidnplayr | 1066 | .error: |
1067 | mov dword[esp+32], -1 |
||
1068 | mov dword[esp+24], EMSGSIZE |
||
1069 | ret |
||
3545 | hidnplayr | 1070 | |
3658 | hidnplayr | 1071 | |
3545 | hidnplayr | 1072 | align 4 |
1073 | SOCKET_send_icmp: |
||
1074 | |||
3556 | hidnplayr | 1075 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1076 | |
1077 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1078 | call ICMP_output_raw ; FIXME: errorcodes |
3545 | hidnplayr | 1079 | cmp eax, -1 |
3658 | hidnplayr | 1080 | je .error |
3545 | hidnplayr | 1081 | ret |
1082 | |||
3658 | hidnplayr | 1083 | .error: |
1084 | mov dword[esp+32], -1 |
||
1085 | mov dword[esp+24], EMSGSIZE |
||
1086 | ret |
||
3545 | hidnplayr | 1087 | |
3658 | hidnplayr | 1088 | |
3545 | hidnplayr | 1089 | align 4 |
1090 | SOCKET_send_pppoe: |
||
1091 | |||
3556 | hidnplayr | 1092 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1093 | |
1094 | mov [esp+32], ecx |
||
1095 | mov ebx, [eax + SOCKET.device] |
||
1096 | |||
3658 | hidnplayr | 1097 | call PPPoE_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1098 | cmp eax, -1 |
3658 | hidnplayr | 1099 | je .error |
3545 | hidnplayr | 1100 | ret |
1101 | |||
3658 | hidnplayr | 1102 | .error: |
1103 | mov dword[esp+32], -1 |
||
1104 | mov dword[esp+24], EMSGSIZE |
||
1105 | ret |
||
3545 | hidnplayr | 1106 | |
1107 | |||
3658 | hidnplayr | 1108 | |
3545 | hidnplayr | 1109 | align 4 |
1110 | SOCKET_send_local: |
||
1111 | |||
1112 | ; does this socket have a PID yet? |
||
1113 | cmp [eax + SOCKET.PID], 0 |
||
1114 | jne @f |
||
1115 | |||
1116 | ; Change PID to that of current process |
||
1117 | mov ebx, [TASK_BASE] |
||
1118 | mov ebx, [ebx + TASKDATA.pid] |
||
1119 | mov [eax + SOCKET.PID], ebx |
||
1120 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1121 | @@: |
||
1122 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1123 | |||
1124 | align 4 |
||
1125 | SOCKET_send_local_: |
||
1126 | |||
3556 | hidnplayr | 1127 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1128 | |
1129 | ; get the other side's socket and check if it still exists |
||
1130 | mov eax, [eax + SOCKET.device] |
||
1131 | call SOCKET_check |
||
3658 | hidnplayr | 1132 | jz .invalid |
3545 | hidnplayr | 1133 | |
1134 | ; allright, shove in the data! |
||
1135 | push eax |
||
1136 | add eax, STREAM_SOCKET.rcv |
||
1137 | call SOCKET_ring_write |
||
1138 | pop eax |
||
1139 | |||
1140 | ; return the number of written bytes (or errorcode) to application |
||
1141 | mov [esp+32], ecx |
||
1142 | |||
1143 | ; and notify the other end |
||
1144 | call SOCKET_notify |
||
1145 | |||
1146 | ret |
||
1147 | |||
3658 | hidnplayr | 1148 | .invalid: |
1149 | mov dword[esp+32], -1 |
||
1150 | mov dword[esp+24], EINVAL |
||
1151 | ret |
||
3545 | hidnplayr | 1152 | |
3658 | hidnplayr | 1153 | |
3545 | hidnplayr | 1154 | ;----------------------------------------------------------------- |
1155 | ; |
||
1156 | ; SOCKET_get_options |
||
1157 | ; |
||
1158 | ; IN: ecx = socket number |
||
1159 | ; edx = pointer to the options: |
||
1160 | ; dd level, optname, optval, optlen |
||
1161 | ; OUT: -1 on error |
||
1162 | ; |
||
1163 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1164 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1165 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1166 | ; |
||
1167 | ;----------------------------------------------------------------- |
||
1168 | align 4 |
||
1169 | SOCKET_get_opt: |
||
1170 | |||
3556 | hidnplayr | 1171 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1172 | |
1173 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1174 | jz .invalid |
3545 | hidnplayr | 1175 | |
1176 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1177 | jne .invalid |
3545 | hidnplayr | 1178 | cmp dword [edx+4], -2 |
1179 | je @f |
||
1180 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1181 | jne .invalid |
3545 | hidnplayr | 1182 | @@: |
1183 | ; mov eax, [edx+12] |
||
1184 | ; test eax, eax |
||
1185 | ; jz .fail |
||
1186 | ; cmp dword [eax], 4 |
||
1187 | ; mov dword [eax], 4 |
||
1188 | ; jb .fail |
||
1189 | ; stdcall net_socket_num_to_addr, ecx |
||
1190 | ; test eax, eax |
||
1191 | ; jz .fail |
||
1192 | ; ; todo: check that eax is really TCP socket |
||
1193 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1194 | ; cmp dword [edx+4], -2 |
||
1195 | ; jz @f |
||
1196 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1197 | @@: |
||
1198 | mov eax, [edx+8] |
||
1199 | test eax, eax |
||
1200 | jz @f |
||
1201 | mov [eax], ecx |
||
1202 | @@: |
||
1203 | mov dword [esp+32], 0 |
||
1204 | ret |
||
1205 | |||
3658 | hidnplayr | 1206 | .invalid: |
1207 | mov dword[esp+32], -1 |
||
1208 | mov dword[esp+24], EINVAL |
||
1209 | ret |
||
3545 | hidnplayr | 1210 | |
1211 | |||
3658 | hidnplayr | 1212 | |
3545 | hidnplayr | 1213 | ;----------------------------------------------------------------- |
1214 | ; |
||
1215 | ; SOCKET_set_options |
||
1216 | ; |
||
1217 | ; IN: ecx = socket number |
||
1218 | ; edx = pointer to the options: |
||
1219 | ; dd level, optname, optlen, optval |
||
1220 | ; OUT: -1 on error |
||
1221 | ; |
||
1222 | ;----------------------------------------------------------------- |
||
1223 | align 4 |
||
1224 | SOCKET_set_opt: |
||
1225 | |||
3556 | hidnplayr | 1226 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1227 | |
1228 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1229 | jz .invalid |
3545 | hidnplayr | 1230 | |
1231 | cmp dword [edx], SOL_SOCKET |
||
3658 | hidnplayr | 1232 | jne .invalid |
3545 | hidnplayr | 1233 | |
1234 | cmp dword [edx+4], SO_BINDTODEVICE |
||
1235 | je .bind |
||
1236 | |||
1237 | cmp dword [edx+4], SO_BLOCK |
||
1238 | je .block |
||
1239 | |||
3658 | hidnplayr | 1240 | .invalid: |
1241 | mov dword[esp+32], -1 |
||
1242 | mov dword[esp+24], EINVAL |
||
1243 | ret |
||
3545 | hidnplayr | 1244 | |
1245 | .bind: |
||
3658 | hidnplayr | 1246 | cmp dword[edx+8], 0 |
3545 | hidnplayr | 1247 | je .unbind |
1248 | |||
3658 | hidnplayr | 1249 | movzx edx, byte[edx + 9] |
3600 | hidnplayr | 1250 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1251 | ja .invalid |
3545 | hidnplayr | 1252 | |
1253 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1254 | test edx, edx |
||
3658 | hidnplayr | 1255 | jz .already |
3545 | hidnplayr | 1256 | mov [eax + SOCKET.device], edx |
1257 | |||
3556 | hidnplayr | 1258 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
3545 | hidnplayr | 1259 | |
3658 | hidnplayr | 1260 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1261 | ret |
1262 | |||
1263 | .unbind: |
||
1264 | mov [eax + SOCKET.device], 0 |
||
1265 | |||
3658 | hidnplayr | 1266 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1267 | ret |
1268 | |||
1269 | .block: |
||
3658 | hidnplayr | 1270 | cmp dword[edx+8], 0 |
3545 | hidnplayr | 1271 | je .unblock |
1272 | |||
1273 | and [eax + SOCKET.options], not SO_NONBLOCK |
||
1274 | |||
3658 | hidnplayr | 1275 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1276 | ret |
1277 | |||
1278 | .unblock: |
||
1279 | or [eax + SOCKET.options], SO_NONBLOCK |
||
1280 | |||
3658 | hidnplayr | 1281 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1282 | ret |
1283 | |||
3658 | hidnplayr | 1284 | .already: |
1285 | mov dword[esp+24], EALREADY |
||
1286 | mov dword[esp+32], -1 |
||
1287 | ret |
||
3545 | hidnplayr | 1288 | |
1289 | |||
3658 | hidnplayr | 1290 | |
1291 | |||
3545 | hidnplayr | 1292 | ;----------------------------------------------------------------- |
1293 | ; |
||
1294 | ; SOCKET_pair |
||
1295 | ; |
||
1296 | ; Allocates a pair of linked LOCAL domain sockets |
||
1297 | ; |
||
1298 | ; IN: / |
||
1299 | ; OUT: eax is socket1 num, -1 on error |
||
1300 | ; ebx is socket2 num |
||
1301 | ; |
||
1302 | ;----------------------------------------------------------------- |
||
1303 | align 4 |
||
1304 | SOCKET_pair: |
||
1305 | |||
3556 | hidnplayr | 1306 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1307 | |
1308 | call SOCKET_alloc |
||
3658 | hidnplayr | 1309 | jz .nomem1 |
3545 | hidnplayr | 1310 | mov [esp+32], edi ; application's eax |
1311 | |||
1312 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1313 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1314 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1315 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1316 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1317 | mov [eax + SOCKET.PID], 0 |
||
1318 | mov ebx, eax |
||
1319 | |||
1320 | call SOCKET_alloc |
||
3658 | hidnplayr | 1321 | jz .nomem2 |
3545 | hidnplayr | 1322 | mov [esp+24], edi ; application's ebx |
1323 | |||
1324 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1325 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1326 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1327 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1328 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1329 | mov [eax + SOCKET.PID], 0 |
||
1330 | |||
1331 | ; Link the two sockets to eachother |
||
1332 | mov [eax + SOCKET.device], ebx |
||
1333 | mov [ebx + SOCKET.device], eax |
||
1334 | |||
1335 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1336 | call SOCKET_ring_create |
||
1337 | |||
1338 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1339 | call SOCKET_ring_create |
||
1340 | pop eax |
||
1341 | |||
1342 | ret |
||
1343 | |||
3658 | hidnplayr | 1344 | .nomem2: |
3545 | hidnplayr | 1345 | mov eax, ebx |
1346 | call SOCKET_free |
||
3658 | hidnplayr | 1347 | .nomem1: |
1348 | mov dword[esp+32], -1 |
||
1349 | mov dword[esp+28], ENOMEM |
||
1350 | ret |
||
3545 | hidnplayr | 1351 | |
1352 | |||
1353 | |||
1354 | ;----------------------------------------------------------------- |
||
1355 | ; |
||
1356 | ; SOCKET_debug |
||
1357 | ; |
||
1358 | ; Copies socket variables to application buffer |
||
1359 | ; |
||
1360 | ; IN: ecx = socket number |
||
1361 | ; edx = pointer to buffer |
||
1362 | ; |
||
1363 | ; OUT: -1 on error |
||
1364 | ;----------------------------------------------------------------- |
||
1365 | align 4 |
||
1366 | SOCKET_debug: |
||
1367 | |||
3556 | hidnplayr | 1368 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1369 | |
1370 | mov edi, edx |
||
1371 | |||
1372 | test ecx, ecx |
||
1373 | jz .returnall |
||
1374 | |||
1375 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1376 | jz .invalid |
3545 | hidnplayr | 1377 | |
1378 | mov esi, eax |
||
1379 | mov ecx, SOCKETBUFFSIZE/4 |
||
1380 | rep movsd |
||
1381 | |||
3658 | hidnplayr | 1382 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1383 | ret |
1384 | |||
1385 | .returnall: |
||
1386 | mov ebx, net_sockets |
||
1387 | .next_socket: |
||
1388 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1389 | test ebx, ebx |
||
1390 | jz .done |
||
1391 | mov eax, [ebx + SOCKET.Number] |
||
1392 | stosd |
||
1393 | jmp .next_socket |
||
1394 | .done: |
||
1395 | xor eax, eax |
||
1396 | stosd |
||
3658 | hidnplayr | 1397 | mov dword[esp+32], eax |
1398 | ret |
||
3545 | hidnplayr | 1399 | |
3658 | hidnplayr | 1400 | .invalid: |
1401 | mov dword[esp+32], -1 |
||
1402 | mov dword[esp+28], EINVAL |
||
3545 | hidnplayr | 1403 | ret |
1404 | |||
1405 | |||
1406 | ;----------------------------------------------------------------- |
||
1407 | ; |
||
1408 | ; SOCKET_find_port |
||
1409 | ; |
||
1410 | ; Fills in the local port number for TCP and UDP sockets |
||
1411 | ; This procedure always works because the number of sockets is |
||
1412 | ; limited to a smaller number then the number of possible ports |
||
1413 | ; |
||
1414 | ; IN: eax = socket pointer |
||
1415 | ; OUT: / |
||
1416 | ; |
||
1417 | ;----------------------------------------------------------------- |
||
1418 | align 4 |
||
1419 | SOCKET_find_port: |
||
1420 | |||
3556 | hidnplayr | 1421 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1422 | |
1423 | push ebx esi ecx |
||
1424 | |||
1425 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1426 | je .udp |
||
1427 | |||
1428 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1429 | je .tcp |
||
1430 | |||
1431 | pop ecx esi ebx |
||
1432 | ret |
||
1433 | |||
1434 | .udp: |
||
1435 | mov bx, [last_UDP_port] |
||
1436 | call .findit |
||
1437 | mov [last_UDP_port], bx |
||
1438 | |||
1439 | pop ecx esi ebx |
||
1440 | ret |
||
1441 | |||
1442 | .tcp: |
||
1443 | mov bx, [last_TCP_port] |
||
1444 | call .findit |
||
1445 | mov [last_TCP_port], bx |
||
1446 | |||
1447 | pop ecx esi ebx |
||
1448 | ret |
||
1449 | |||
1450 | |||
1451 | .restart: |
||
1452 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1453 | .findit: |
||
1454 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1455 | je .restart |
||
1456 | |||
1457 | add bh, 1 |
||
1458 | adc bl, 0 |
||
1459 | |||
1460 | call SOCKET_check_port |
||
1461 | jz .findit |
||
1462 | ret |
||
1463 | |||
1464 | |||
1465 | |||
1466 | ;----------------------------------------------------------------- |
||
1467 | ; |
||
1468 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1469 | ; |
||
1470 | ; Checks if a local port number is unused |
||
1471 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1472 | ; |
||
1473 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1474 | ; bx = proposed socket number (network byte order) |
||
1475 | ; |
||
1476 | ; OUT: ZF = set on error |
||
1477 | ; |
||
1478 | ;----------------------------------------------------------------- |
||
1479 | align 4 |
||
1480 | SOCKET_check_port: |
||
1481 | |||
3556 | hidnplayr | 1482 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1483 | |
3647 | hidnplayr | 1484 | pusha |
1485 | mov ecx, socket_mutex |
||
1486 | call mutex_lock |
||
1487 | popa |
||
1488 | |||
3545 | hidnplayr | 1489 | mov ecx, [eax + SOCKET.Protocol] |
1490 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1491 | mov esi, net_sockets |
||
1492 | |||
1493 | .next_socket: |
||
1494 | mov esi, [esi + SOCKET.NextPtr] |
||
1495 | or esi, esi |
||
1496 | jz .port_ok |
||
1497 | |||
1498 | cmp [esi + SOCKET.Protocol], ecx |
||
1499 | jne .next_socket |
||
1500 | |||
1501 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1502 | jne .next_socket |
||
1503 | |||
1504 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1505 | jne .next_socket |
||
1506 | |||
3647 | hidnplayr | 1507 | pusha |
1508 | mov ecx, socket_mutex |
||
1509 | call mutex_unlock |
||
1510 | popa |
||
1511 | |||
3556 | hidnplayr | 1512 | 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 | 1513 | ret |
1514 | |||
1515 | .port_ok: |
||
3647 | hidnplayr | 1516 | pusha |
1517 | mov ecx, socket_mutex |
||
1518 | call mutex_unlock |
||
1519 | popa |
||
1520 | |||
3556 | hidnplayr | 1521 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1522 | mov [eax + UDP_SOCKET.LocalPort], bx |
1523 | or bx, bx ; clear the zero-flag |
||
1524 | ret |
||
1525 | |||
1526 | |||
1527 | |||
1528 | ;----------------------------------------------------------------- |
||
1529 | ; |
||
1530 | ; SOCKET_input |
||
1531 | ; |
||
1532 | ; Updates a (stateless) socket with received data |
||
1533 | ; |
||
1534 | ; Note: the mutex should already be set ! |
||
1535 | ; |
||
1536 | ; IN: eax = socket ptr |
||
1537 | ; ecx = data size |
||
1538 | ; esi = ptr to data |
||
1539 | ; [esp] = ptr to buf |
||
1540 | ; [esp + 4] = buf size |
||
1541 | ; |
||
1542 | ; OUT: / |
||
1543 | ; |
||
1544 | ;----------------------------------------------------------------- |
||
1545 | align 4 |
||
1546 | SOCKET_input: |
||
1547 | |||
3556 | hidnplayr | 1548 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1549 | |
1550 | mov [esp+4], ecx |
||
1551 | push esi |
||
1552 | mov esi, esp |
||
1553 | |||
1554 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1555 | |||
3556 | hidnplayr | 1556 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1557 | add esp, sizeof.socket_queue_entry |
1558 | |||
1559 | pusha |
||
1560 | lea ecx, [eax + SOCKET.mutex] |
||
1561 | call mutex_unlock |
||
1562 | popa |
||
1563 | |||
1564 | jmp SOCKET_notify |
||
1565 | |||
1566 | .full: |
||
3556 | hidnplayr | 1567 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1568 | |
1569 | pusha |
||
1570 | lea ecx, [eax + SOCKET.mutex] |
||
1571 | call mutex_unlock |
||
1572 | popa |
||
1573 | |||
1574 | call kernel_free |
||
1575 | add esp, 8 |
||
1576 | |||
1577 | ret |
||
1578 | |||
1579 | |||
1580 | ;-------------------------- |
||
1581 | ; |
||
1582 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1583 | ; |
||
1584 | align 4 |
||
1585 | SOCKET_ring_create: |
||
1586 | |||
1587 | push esi |
||
1588 | mov esi, eax |
||
1589 | |||
1590 | push edx |
||
1591 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1592 | pop edx |
||
1593 | |||
3556 | hidnplayr | 1594 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_created: %x\n", eax |
3545 | hidnplayr | 1595 | |
1596 | pusha |
||
1597 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1598 | call mutex_init |
||
1599 | popa |
||
1600 | |||
1601 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1602 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1603 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1604 | mov [esi + RING_BUFFER.size], 0 |
||
1605 | add eax, SOCKET_MAXDATA |
||
1606 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1607 | mov eax, esi |
||
1608 | pop esi |
||
1609 | |||
1610 | ret |
||
1611 | |||
1612 | ;----------------------------------------------------------------- |
||
1613 | ; |
||
1614 | ; SOCKET_ring_write |
||
1615 | ; |
||
1616 | ; Adds data to a stream socket, and updates write pointer and size |
||
1617 | ; |
||
1618 | ; IN: eax = ptr to ring struct |
||
1619 | ; ecx = data size |
||
1620 | ; esi = ptr to data |
||
1621 | ; |
||
1622 | ; OUT: ecx = number of bytes stored |
||
1623 | ; |
||
1624 | ;----------------------------------------------------------------- |
||
1625 | align 4 |
||
1626 | SOCKET_ring_write: |
||
1627 | |||
3556 | hidnplayr | 1628 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1629 | |
1630 | ; lock mutex |
||
1631 | pusha |
||
1632 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1633 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1634 | popa |
||
1635 | |||
1636 | ; calculate available size |
||
1637 | mov edi, SOCKET_MAXDATA |
||
1638 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1639 | cmp ecx, edi |
||
1640 | jbe .copy |
||
1641 | mov ecx, edi |
||
1642 | .copy: |
||
1643 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1644 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1645 | |
1646 | ; update write ptr |
||
1647 | push edi |
||
1648 | add edi, ecx |
||
1649 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1650 | jb @f |
||
1651 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1652 | @@: |
||
1653 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1654 | pop edi |
||
1655 | |||
1656 | ; update size |
||
1657 | add [eax + RING_BUFFER.size], ecx |
||
1658 | |||
1659 | ; copy the data |
||
1660 | push ecx |
||
1661 | shr ecx, 1 |
||
1662 | jnc .nb |
||
1663 | movsb |
||
1664 | .nb: |
||
1665 | shr ecx, 1 |
||
1666 | jnc .nw |
||
1667 | movsw |
||
1668 | .nw: |
||
1669 | test ecx, ecx |
||
1670 | jz .nd |
||
1671 | rep movsd |
||
1672 | .nd: |
||
1673 | pop ecx |
||
1674 | |||
1675 | ; unlock mutex |
||
1676 | push eax ecx |
||
1677 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1678 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1679 | pop ecx eax |
||
1680 | |||
1681 | ret |
||
1682 | |||
1683 | ;----------------------------------------------------------------- |
||
1684 | ; |
||
1685 | ; SOCKET_ring_read |
||
1686 | ; |
||
1687 | ; IN: eax = ring struct ptr |
||
1688 | ; ecx = bytes to read |
||
1689 | ; edx = offset |
||
1690 | ; edi = ptr to buffer start |
||
1691 | ; |
||
1692 | ; OUT: eax = unchanged |
||
1693 | ; ecx = number of bytes read (0 on error) |
||
1694 | ; edx = destroyed |
||
1695 | ; esi = destroyed |
||
1696 | ; edi = ptr to buffer end |
||
1697 | ; |
||
1698 | ;----------------------------------------------------------------- |
||
1699 | align 4 |
||
1700 | SOCKET_ring_read: |
||
1701 | |||
3556 | hidnplayr | 1702 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1703 | |
1704 | pusha |
||
1705 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1706 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1707 | popa |
||
1708 | |||
1709 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1710 | add esi, edx ; esi = start_ptr + offset |
||
1711 | |||
1712 | neg edx |
||
1713 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1714 | jle .no_data_at_all |
||
1715 | |||
1716 | pusha |
||
1717 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1718 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1719 | popa |
||
1720 | |||
1721 | cmp ecx, edx |
||
1722 | ja .less_data |
||
1723 | |||
1724 | .copy: |
||
3556 | hidnplayr | 1725 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1726 | push ecx |
1727 | shr ecx, 1 |
||
1728 | jnc .nb |
||
1729 | movsb |
||
1730 | .nb: |
||
1731 | shr ecx, 1 |
||
1732 | jnc .nw |
||
1733 | movsw |
||
1734 | .nw: |
||
1735 | test ecx, ecx |
||
1736 | jz .nd |
||
1737 | rep movsd |
||
1738 | .nd: |
||
1739 | pop ecx |
||
1740 | ret |
||
1741 | |||
1742 | .no_data_at_all: |
||
1743 | pusha |
||
1744 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1745 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1746 | popa |
||
1747 | |||
3556 | hidnplayr | 1748 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1749 | xor ecx, ecx |
1750 | ret |
||
1751 | |||
1752 | .less_data: |
||
1753 | mov ecx, edx |
||
1754 | jmp .copy |
||
1755 | |||
1756 | |||
1757 | ;----------------------------------------------------------------- |
||
1758 | ; |
||
1759 | ; SOCKET_ring_free |
||
1760 | ; |
||
1761 | ; Free's some bytes from the ringbuffer |
||
1762 | ; |
||
1763 | ; IN: eax = ptr to ring struct |
||
1764 | ; ecx = data size |
||
1765 | ; |
||
1766 | ; OUT: ecx = number of bytes free-ed |
||
1767 | ; |
||
1768 | ;----------------------------------------------------------------- |
||
1769 | align 4 |
||
1770 | SOCKET_ring_free: |
||
1771 | |||
3556 | hidnplayr | 1772 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1773 | |
1774 | push eax ecx |
||
1775 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1776 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1777 | pop ecx eax |
||
1778 | |||
1779 | sub [eax + RING_BUFFER.size], ecx |
||
1780 | jb .error |
||
1781 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1782 | |||
1783 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1784 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1785 | jb @f |
||
1786 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1787 | @@: |
||
1788 | |||
1789 | push eax ecx |
||
1790 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1791 | call mutex_unlock |
||
1792 | pop ecx eax |
||
1793 | |||
1794 | ret |
||
1795 | |||
1796 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1797 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1798 | add [eax + RING_BUFFER.size], ecx |
1799 | |||
1800 | push eax |
||
1801 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1802 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1803 | pop eax |
||
1804 | |||
1805 | xor ecx, ecx |
||
1806 | ret |
||
1807 | |||
1808 | |||
1809 | ;----------------------------------------------------------------- |
||
1810 | ; |
||
1811 | ; SOCKET_block |
||
1812 | ; |
||
1813 | ; Suspends the thread attached to a socket |
||
1814 | ; |
||
1815 | ; IN: eax = socket ptr |
||
1816 | ; OUT: / |
||
1817 | ; |
||
1818 | ;----------------------------------------------------------------- |
||
1819 | align 4 |
||
1820 | SOCKET_block: |
||
1821 | |||
3556 | hidnplayr | 1822 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1823 | |
1824 | pushf |
||
1825 | cli |
||
1826 | |||
1827 | ; Set the 'socket is blocked' flag |
||
1828 | or [eax + SOCKET.state], SS_BLOCKED |
||
1829 | |||
1830 | ; Suspend the thread |
||
1831 | push edx |
||
1832 | mov edx, [TASK_BASE] |
||
1833 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1834 | |||
1835 | ; Remember the thread ID so we can wake it up again |
||
1836 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1837 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1838 | mov [eax + SOCKET.TID], edx |
1839 | pop edx |
||
1840 | |||
1841 | call change_task |
||
1842 | popf |
||
1843 | |||
3556 | hidnplayr | 1844 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n" |
3545 | hidnplayr | 1845 | |
1846 | ret |
||
1847 | |||
1848 | |||
1849 | ;----------------------------------------------------------------- |
||
1850 | ; |
||
1851 | ; SOCKET_notify |
||
1852 | ; |
||
1853 | ; notify's the owner of a socket that something happened |
||
1854 | ; |
||
1855 | ; IN: eax = socket ptr |
||
1856 | ; OUT: / |
||
1857 | ; |
||
1858 | ;----------------------------------------------------------------- |
||
1859 | align 4 |
||
1860 | SOCKET_notify: |
||
1861 | |||
3556 | hidnplayr | 1862 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1863 | |
1864 | call SOCKET_check |
||
1865 | jz .error |
||
1866 | |||
1867 | test [eax + SOCKET.state], SS_BLOCKED |
||
1868 | jnz .unblock |
||
1869 | |||
1870 | test [eax + SOCKET.options], SO_NONBLOCK |
||
1871 | jz .error |
||
1872 | |||
1873 | push eax ecx esi |
||
1874 | |||
1875 | ; socket exists and is of non blocking type. |
||
1876 | ; We'll try to flag an event to the thread |
||
1877 | |||
1878 | mov eax, [eax + SOCKET.TID] |
||
1879 | test eax, eax |
||
1880 | jz .done |
||
1881 | mov ecx, 1 |
||
1882 | mov esi, TASK_DATA + TASKDATA.pid |
||
1883 | |||
1884 | .next_pid: |
||
1885 | cmp [esi], eax |
||
1886 | je .found_pid |
||
1887 | inc ecx |
||
1888 | add esi, 0x20 |
||
1889 | cmp ecx, [TASK_COUNT] |
||
1890 | jbe .next_pid |
||
1891 | ; PID not found, TODO: close socket! |
||
1892 | jmp .done |
||
1893 | |||
1894 | .found_pid: |
||
1895 | shl ecx, 8 |
||
1896 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1897 | |||
3556 | hidnplayr | 1898 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Raised a network event!\n" |
3545 | hidnplayr | 1899 | |
1900 | jmp .done |
||
1901 | |||
1902 | .unblock: |
||
1903 | push eax ecx esi |
||
1904 | ; Clear the 'socket is blocked' flag |
||
1905 | and [eax + SOCKET.state], not SS_BLOCKED |
||
1906 | |||
1907 | ; Find the thread's TASK_DATA |
||
1908 | mov eax, [eax + SOCKET.TID] |
||
1909 | test eax, eax |
||
1910 | jz .error |
||
1911 | xor ecx, ecx |
||
1912 | inc ecx |
||
1913 | mov esi, TASK_DATA |
||
1914 | .next: |
||
1915 | cmp [esi + TASKDATA.pid], eax |
||
1916 | je .found |
||
1917 | inc ecx |
||
1918 | add esi, 0x20 |
||
1919 | cmp ecx, [TASK_COUNT] |
||
1920 | jbe .next |
||
1921 | jmp .error |
||
1922 | .found: |
||
1923 | |||
1924 | ; Run the thread |
||
1925 | mov [esi + TASKDATA.state], 0 ; Running |
||
3556 | hidnplayr | 1926 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
3545 | hidnplayr | 1927 | |
1928 | .done: |
||
1929 | pop esi ecx eax |
||
1930 | |||
1931 | .error: |
||
1932 | ret |
||
1933 | |||
1934 | |||
1935 | ;-------------------------------------------------------------------- |
||
1936 | ; |
||
1937 | ; SOCKET_alloc |
||
1938 | ; |
||
1939 | ; Allocate memory for socket data and put new socket into the list |
||
1940 | ; Newly created socket is initialized with calling PID and number and |
||
1941 | ; put into beginning of list (which is a fastest way). |
||
1942 | ; |
||
1943 | ; IN: / |
||
1944 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1945 | ; edi = socket number |
||
1946 | ; ZF = cleared on error |
||
1947 | ; |
||
1948 | ;-------------------------------------------------------------------- |
||
1949 | align 4 |
||
1950 | SOCKET_alloc: |
||
1951 | |||
1952 | push ebx |
||
1953 | |||
1954 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
3556 | hidnplayr | 1955 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1956 | or eax, eax |
1957 | jz .exit |
||
1958 | |||
1959 | ; zero-initialize allocated memory |
||
1960 | push eax |
||
1961 | mov edi, eax |
||
1962 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1963 | xor eax, eax |
||
1964 | rep stosd |
||
1965 | pop eax |
||
1966 | |||
1967 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1968 | mov [eax + SOCKET.snd_proc], .not_yet |
1969 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1970 | |
3647 | hidnplayr | 1971 | pusha |
1972 | mov ecx, socket_mutex |
||
1973 | call mutex_lock |
||
1974 | popa |
||
1975 | |||
3545 | hidnplayr | 1976 | ; find first free socket number and use it |
1977 | mov edi, [last_socket_num] |
||
1978 | .next_socket_number: |
||
1979 | inc edi |
||
1980 | jz .next_socket_number ; avoid socket nr 0 |
||
1981 | cmp edi, -1 |
||
1982 | je .next_socket_number ; avoid socket nr -1 |
||
1983 | mov ebx, net_sockets |
||
1984 | .next_socket: |
||
1985 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1986 | test ebx, ebx |
||
1987 | jz .last_socket |
||
1988 | |||
1989 | cmp [ebx + SOCKET.Number], edi |
||
1990 | jne .next_socket |
||
1991 | jmp .next_socket_number |
||
1992 | |||
1993 | .last_socket: |
||
1994 | mov [last_socket_num], edi |
||
1995 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 1996 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 1997 | |
1998 | ; Fill in PID |
||
1999 | mov ebx, [TASK_BASE] |
||
2000 | mov ebx, [ebx + TASKDATA.pid] |
||
2001 | mov [eax + SOCKET.PID], ebx |
||
2002 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
2003 | |||
2004 | ; init mutex |
||
2005 | pusha |
||
2006 | lea ecx, [eax + SOCKET.mutex] |
||
2007 | call mutex_init |
||
2008 | popa |
||
2009 | |||
2010 | ; add socket to the list by re-arranging some pointers |
||
2011 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2012 | |||
2013 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2014 | mov [eax + SOCKET.NextPtr], ebx |
||
2015 | |||
2016 | test ebx, ebx |
||
2017 | jz @f |
||
2018 | |||
2019 | pusha |
||
2020 | lea ecx, [ebx + SOCKET.mutex] |
||
2021 | call mutex_lock |
||
2022 | popa |
||
2023 | |||
2024 | mov [ebx + SOCKET.PrevPtr], eax |
||
2025 | |||
2026 | pusha |
||
2027 | lea ecx, [ebx + SOCKET.mutex] |
||
2028 | call mutex_unlock |
||
2029 | popa |
||
2030 | @@: |
||
2031 | |||
2032 | mov [net_sockets + SOCKET.NextPtr], eax |
||
2033 | or eax, eax ; used to clear zero flag |
||
3647 | hidnplayr | 2034 | |
2035 | pusha |
||
2036 | mov ecx, socket_mutex |
||
2037 | call mutex_unlock |
||
2038 | popa |
||
2039 | |||
3545 | hidnplayr | 2040 | .exit: |
2041 | pop ebx |
||
2042 | |||
2043 | ret |
||
2044 | |||
3658 | hidnplayr | 2045 | .not_yet: |
2046 | mov dword[esp+24], ENOTCONN |
||
2047 | mov dword[esp+32], -1 |
||
2048 | ret |
||
3545 | hidnplayr | 2049 | |
3658 | hidnplayr | 2050 | |
3545 | hidnplayr | 2051 | ;---------------------------------------------------- |
2052 | ; |
||
2053 | ; SOCKET_free |
||
2054 | ; |
||
2055 | ; Free socket data memory and remove socket from the list |
||
2056 | ; |
||
2057 | ; IN: eax = socket ptr |
||
2058 | ; OUT: / |
||
2059 | ; |
||
2060 | ;---------------------------------------------------- |
||
2061 | align 4 |
||
2062 | SOCKET_free: |
||
2063 | |||
3556 | hidnplayr | 2064 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2065 | |
3652 | hidnplayr | 2066 | pusha |
2067 | mov ecx, socket_mutex |
||
2068 | call mutex_lock |
||
2069 | popa |
||
2070 | |||
3545 | hidnplayr | 2071 | call SOCKET_check |
2072 | jz .error |
||
2073 | |||
2074 | push ebx |
||
2075 | |||
2076 | pusha |
||
2077 | lea ecx, [eax + SOCKET.mutex] |
||
2078 | call mutex_lock |
||
2079 | popa |
||
2080 | |||
2081 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
2082 | jnz .no_tcp |
||
2083 | |||
2084 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2085 | jnz .no_tcp |
||
2086 | |||
2087 | mov ebx, eax |
||
2088 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
2089 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2090 | mov eax, ebx |
||
2091 | .no_tcp: |
||
2092 | |||
3652 | hidnplayr | 2093 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2094 | push eax ; this will be passed to kernel_free |
2095 | mov ebx, [eax + SOCKET.NextPtr] |
||
2096 | mov eax, [eax + SOCKET.PrevPtr] |
||
2097 | |||
3556 | hidnplayr | 2098 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2099 | |
2100 | test eax, eax |
||
2101 | jz @f |
||
2102 | mov [eax + SOCKET.NextPtr], ebx |
||
2103 | @@: |
||
2104 | |||
2105 | test ebx, ebx |
||
2106 | jz @f |
||
2107 | mov [ebx + SOCKET.PrevPtr], eax |
||
2108 | @@: |
||
2109 | |||
2110 | call kernel_free |
||
2111 | pop ebx |
||
2112 | |||
3652 | hidnplayr | 2113 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2114 | |||
2115 | .error: |
||
2116 | |||
3647 | hidnplayr | 2117 | pusha |
2118 | mov ecx, socket_mutex |
||
2119 | call mutex_unlock |
||
2120 | popa |
||
2121 | |||
3545 | hidnplayr | 2122 | ret |
2123 | |||
2124 | ;------------------------------------ |
||
2125 | ; |
||
2126 | ; SOCKET_fork |
||
2127 | ; |
||
2128 | ; Create a child socket |
||
2129 | ; |
||
2130 | ; IN: socket nr in ebx |
||
2131 | ; OUT: child socket nr in eax |
||
2132 | ; |
||
2133 | ;----------------------------------- |
||
2134 | align 4 |
||
2135 | SOCKET_fork: |
||
2136 | |||
3556 | hidnplayr | 2137 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2138 | |
2139 | ; Exit if backlog queue is full |
||
2140 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2141 | cmp ax, [ebx + SOCKET.backlog] |
||
2142 | jae .fail |
||
2143 | |||
2144 | ; Allocate new socket |
||
2145 | push ebx |
||
2146 | call SOCKET_alloc |
||
2147 | pop ebx |
||
2148 | jz .fail |
||
2149 | |||
2150 | push eax |
||
2151 | mov esi, esp |
||
2152 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2153 | pop eax |
||
2154 | |||
2155 | ; Copy structure from current socket to new |
||
2156 | ; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket |
||
2157 | lea esi, [ebx + SOCKET.PID] |
||
2158 | lea edi, [eax + SOCKET.PID] |
||
2159 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
2160 | rep movsd |
||
2161 | |||
2162 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2163 | |||
2164 | ret |
||
2165 | |||
2166 | .fail2: |
||
2167 | add esp, 4+4+4 |
||
2168 | .fail: |
||
3556 | hidnplayr | 2169 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2170 | xor eax, eax |
2171 | ret |
||
2172 | |||
2173 | |||
2174 | ;--------------------------------------------------- |
||
2175 | ; |
||
2176 | ; SOCKET_num_to_ptr |
||
2177 | ; |
||
2178 | ; Get socket structure address by its number |
||
2179 | ; |
||
2180 | ; IN: ecx = socket number |
||
2181 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2182 | ; ZF = set on error |
||
2183 | ; |
||
2184 | ;--------------------------------------------------- |
||
2185 | align 4 |
||
2186 | SOCKET_num_to_ptr: |
||
2187 | |||
3556 | hidnplayr | 2188 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2189 | |
3647 | hidnplayr | 2190 | pusha |
2191 | mov ecx, socket_mutex |
||
2192 | call mutex_lock |
||
2193 | popa |
||
2194 | |||
3545 | hidnplayr | 2195 | mov eax, net_sockets |
2196 | |||
2197 | .next_socket: |
||
2198 | mov eax, [eax + SOCKET.NextPtr] |
||
2199 | or eax, eax |
||
2200 | jz .error |
||
2201 | cmp [eax + SOCKET.Number], ecx |
||
2202 | jne .next_socket |
||
2203 | |||
2204 | test eax, eax |
||
2205 | |||
3647 | hidnplayr | 2206 | pusha |
2207 | mov ecx, socket_mutex |
||
2208 | call mutex_unlock |
||
2209 | popa |
||
2210 | |||
3556 | hidnplayr | 2211 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2212 | ret |
2213 | |||
2214 | .error: |
||
3647 | hidnplayr | 2215 | pusha |
2216 | mov ecx, socket_mutex |
||
2217 | call mutex_unlock |
||
2218 | popa |
||
2219 | |||
3637 | hidnplayr | 2220 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: not found\n", eax |
3545 | hidnplayr | 2221 | ret |
2222 | |||
2223 | |||
2224 | ;--------------------------------------------------- |
||
2225 | ; |
||
2226 | ; SOCKET_ptr_to_num |
||
2227 | ; |
||
2228 | ; Get socket number by its address |
||
2229 | ; |
||
2230 | ; IN: eax = socket ptr |
||
2231 | ; OUT: eax = 0 on error, socket num otherwise |
||
2232 | ; ZF = set on error |
||
2233 | ; |
||
2234 | ;--------------------------------------------------- |
||
2235 | align 4 |
||
2236 | SOCKET_ptr_to_num: |
||
2237 | |||
3556 | hidnplayr | 2238 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2239 | |
2240 | call SOCKET_check |
||
2241 | jz .error |
||
2242 | |||
2243 | mov eax, [eax + SOCKET.Number] |
||
2244 | |||
3556 | hidnplayr | 2245 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2246 | ret |
2247 | |||
2248 | .error: |
||
3556 | hidnplayr | 2249 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2250 | ret |
2251 | |||
2252 | |||
2253 | ;--------------------------------------------------- |
||
2254 | ; |
||
2255 | ; SOCKET_check |
||
2256 | ; |
||
2257 | ; checks if the given value is really a socket ptr |
||
2258 | ; |
||
2259 | ; IN: eax = socket ptr |
||
2260 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2261 | ; ZF = set on error |
||
2262 | ; |
||
2263 | ;--------------------------------------------------- |
||
2264 | align 4 |
||
2265 | SOCKET_check: |
||
2266 | |||
3556 | hidnplayr | 2267 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2268 | |
2269 | push ebx |
||
2270 | mov ebx, net_sockets |
||
2271 | |||
2272 | .next_socket: |
||
2273 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2274 | or ebx, ebx |
||
2275 | jz .done |
||
2276 | cmp ebx, eax |
||
2277 | jnz .next_socket |
||
2278 | |||
2279 | .done: |
||
2280 | mov eax, ebx |
||
2281 | test eax, eax |
||
2282 | pop ebx |
||
2283 | |||
2284 | ret |
||
2285 | |||
2286 | |||
2287 | |||
2288 | ;--------------------------------------------------- |
||
2289 | ; |
||
2290 | ; SOCKET_check_owner |
||
2291 | ; |
||
2292 | ; checks if the caller application owns the socket |
||
2293 | ; |
||
2294 | ; IN: eax = socket ptr |
||
2295 | ; OUT: ZF = true/false |
||
2296 | ; |
||
2297 | ;--------------------------------------------------- |
||
2298 | align 4 |
||
2299 | SOCKET_check_owner: |
||
2300 | |||
3556 | hidnplayr | 2301 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2302 | |
2303 | push ebx |
||
2304 | mov ebx, [TASK_BASE] |
||
2305 | mov ebx, [ebx + TASKDATA.pid] |
||
2306 | cmp [eax + SOCKET.PID], ebx |
||
2307 | pop ebx |
||
2308 | |||
2309 | ret |
||
2310 | |||
2311 | |||
2312 | |||
2313 | |||
2314 | ;------------------------------------------------------ |
||
2315 | ; |
||
2316 | ; SOCKET_process_end |
||
2317 | ; |
||
2318 | ; Kernel calls this function when a certain process ends |
||
2319 | ; This function will check if the process had any open sockets |
||
2320 | ; And update them accordingly |
||
2321 | ; |
||
2322 | ; IN: edx = pid |
||
2323 | ; OUT: / |
||
2324 | ; |
||
2325 | ;------------------------------------------------------ |
||
2326 | align 4 |
||
2327 | SOCKET_process_end: |
||
2328 | |||
3648 | hidnplayr | 2329 | pushf |
2330 | cli ; FIXME |
||
2331 | |||
3556 | hidnplayr | 2332 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2333 | |
3647 | hidnplayr | 2334 | pusha |
2335 | mov ecx, socket_mutex |
||
2336 | call mutex_lock |
||
2337 | popa |
||
2338 | |||
3545 | hidnplayr | 2339 | push ebx |
2340 | mov ebx, net_sockets |
||
2341 | |||
2342 | .next_socket: |
||
2343 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2344 | .next_socket_test: |
||
2345 | test ebx, ebx |
||
2346 | jz .done |
||
2347 | |||
2348 | cmp [ebx + SOCKET.PID], edx |
||
2349 | jne .next_socket |
||
2350 | |||
3556 | hidnplayr | 2351 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2352 | |
2353 | mov [ebx + SOCKET.PID], 0 |
||
2354 | mov eax, ebx |
||
2355 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2356 | |
3545 | hidnplayr | 2357 | pusha |
3648 | hidnplayr | 2358 | mov ecx, socket_mutex |
2359 | call mutex_unlock |
||
2360 | popa |
||
2361 | |||
2362 | pusha |
||
3652 | hidnplayr | 2363 | cmp [eax + SOCKET.Domain], AF_INET4 |
2364 | jne .free |
||
2365 | |||
2366 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2367 | jne .free |
||
2368 | |||
2369 | call TCP_close |
||
2370 | jmp .closed |
||
2371 | |||
2372 | .free: |
||
2373 | call SOCKET_free |
||
2374 | |||
2375 | .closed: |
||
3545 | hidnplayr | 2376 | popa |
3648 | hidnplayr | 2377 | |
2378 | pusha |
||
2379 | mov ecx, socket_mutex |
||
2380 | call mutex_lock |
||
2381 | popa |
||
2382 | |||
3545 | hidnplayr | 2383 | jmp .next_socket_test |
2384 | |||
2385 | .done: |
||
2386 | pop ebx |
||
2387 | |||
3647 | hidnplayr | 2388 | pusha |
2389 | mov ecx, socket_mutex |
||
2390 | call mutex_unlock |
||
2391 | popa |
||
2392 | |||
3648 | hidnplayr | 2393 | popf |
2394 | |||
3545 | hidnplayr | 2395 | ret |
2396 | |||
2397 | |||
2398 | |||
2399 | |||
2400 | ;----------------------------------------------------------------- |
||
2401 | ; |
||
2402 | ; SOCKET_is_connecting |
||
2403 | ; |
||
2404 | ; IN: eax = socket ptr |
||
2405 | ; OUT: / |
||
2406 | ; |
||
2407 | ;----------------------------------------------------------------- |
||
2408 | |||
2409 | align 4 |
||
2410 | SOCKET_is_connecting: |
||
2411 | |||
3556 | hidnplayr | 2412 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2413 | |
2414 | and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2415 | or [eax + SOCKET.options], SS_ISCONNECTING |
||
2416 | |||
2417 | jmp SOCKET_notify |
||
2418 | |||
2419 | |||
2420 | |||
2421 | ;----------------------------------------------------------------- |
||
2422 | ; |
||
2423 | ; SOCKET_is_connected |
||
2424 | ; |
||
2425 | ; IN: eax = socket ptr |
||
2426 | ; OUT: / |
||
2427 | ; |
||
2428 | ;----------------------------------------------------------------- |
||
2429 | |||
2430 | align 4 |
||
2431 | SOCKET_is_connected: |
||
2432 | |||
3556 | hidnplayr | 2433 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2434 | |
2435 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2436 | or [eax + SOCKET.options], SS_ISCONNECTED |
||
2437 | |||
2438 | jmp SOCKET_notify |
||
2439 | |||
2440 | |||
2441 | |||
2442 | |||
2443 | ;----------------------------------------------------------------- |
||
2444 | ; |
||
2445 | ; SOCKET_is_disconnecting |
||
2446 | ; |
||
2447 | ; IN: eax = socket ptr |
||
2448 | ; OUT: / |
||
2449 | ; |
||
2450 | ;----------------------------------------------------------------- |
||
2451 | |||
2452 | align 4 |
||
2453 | SOCKET_is_disconnecting: |
||
2454 | |||
3556 | hidnplayr | 2455 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2456 | |
2457 | and [eax + SOCKET.options], not (SS_ISCONNECTING) |
||
2458 | or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
2459 | |||
2460 | jmp SOCKET_notify |
||
2461 | |||
2462 | |||
2463 | |||
2464 | ;----------------------------------------------------------------- |
||
2465 | ; |
||
2466 | ; SOCKET_is_disconnected |
||
2467 | ; |
||
2468 | ; IN: eax = socket ptr |
||
2469 | ; OUT: / |
||
2470 | ; |
||
2471 | ;----------------------------------------------------------------- |
||
2472 | |||
2473 | align 4 |
||
2474 | SOCKET_is_disconnected: |
||
2475 | |||
3556 | hidnplayr | 2476 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2477 | |
2478 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
||
2479 | or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
2480 | |||
2481 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2482 | je .tcp |
||
2483 | |||
2484 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
2485 | je .udp |
||
2486 | |||
2487 | jmp SOCKET_notify |
||
2488 | |||
2489 | .tcp: |
||
2490 | .udp: |
||
2491 | mov [eax + UDP_SOCKET.LocalPort], 0 ; UDP and TCP structs store localport at the same offset |
||
2492 | mov [eax + UDP_SOCKET.RemotePort], 0 |
||
2493 | |||
2494 | jmp SOCKET_notify |
||
2495 | |||
2496 | |||
2497 | ;----------------------------------------------------------------- |
||
2498 | ; |
||
2499 | ; SOCKET_cant_recv_more |
||
2500 | ; |
||
2501 | ; IN: eax = socket ptr |
||
2502 | ; OUT: / |
||
2503 | ; |
||
2504 | ;----------------------------------------------------------------- |
||
2505 | |||
2506 | align 4 |
||
2507 | SOCKET_cant_recv_more: |
||
2508 | |||
3556 | hidnplayr | 2509 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2510 | |
2511 | or [eax + SOCKET.options], SS_CANTRCVMORE |
||
2512 | |||
3565 | hidnplayr | 2513 | call SOCKET_notify |
2514 | |||
3545 | hidnplayr | 2515 | ret |
2516 | |||
2517 | |||
2518 | |||
2519 | ;----------------------------------------------------------------- |
||
2520 | ; |
||
2521 | ; SOCKET_cant_send_more |
||
2522 | ; |
||
2523 | ; IN: eax = socket ptr |
||
2524 | ; OUT: / |
||
2525 | ; |
||
2526 | ;----------------------------------------------------------------- |
||
2527 | |||
2528 | align 4 |
||
2529 | SOCKET_cant_send_more: |
||
2530 | |||
3556 | hidnplayr | 2531 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2532 | |
2533 | or [eax + SOCKET.options], SS_CANTSENDMORE |
||
3658 | hidnplayr | 2534 | mov [eax + SOCKET.snd_proc], .notconn |
3545 | hidnplayr | 2535 | |
3565 | hidnplayr | 2536 | call SOCKET_notify |
2537 | |||
3658 | hidnplayr | 2538 | ret |
2539 | |||
2540 | .notconn: |
||
2541 | mov dword[esp+24], ENOTCONN |
||
2542 | mov dword[esp+32], -1 |
||
3545 | hidnplayr | 2543 | ret |