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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; Part of the TCP/IP network stack for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org, ;; |
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9 | ;; and Clevermouse. ;; |
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10 | ;; ;; |
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11 | ;; Based on code by mike.dld ;; |
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12 | ;; ;; |
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13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
18 | $Revision: 3514 $ |
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19 | |||
20 | struct SOCKET |
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21 | |||
22 | NextPtr dd ? ; pointer to next socket in list |
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23 | PrevPtr dd ? ; pointer to previous socket in list |
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24 | Number dd ? ; socket number |
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25 | |||
26 | mutex MUTEX |
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27 | |||
28 | PID dd ? ; process ID |
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29 | TID dd ? ; thread ID |
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30 | Domain dd ? ; INET/LOCAL/.. |
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31 | Type dd ? ; RAW/STREAM/DGRAP |
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32 | Protocol dd ? ; ICMP/IPv4/ARP/TCP/UDP |
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33 | errorcode dd ? |
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34 | device dd ? ; driver pointer, socket pointer if it's an LOCAL socket |
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35 | |||
36 | options dd ? |
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37 | state dd ? |
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38 | backlog dw ? ; how many incoming connections that can be queued |
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39 | |||
40 | snd_proc dd ? |
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41 | rcv_proc dd ? |
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42 | |||
43 | ends |
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44 | |||
45 | struct IP_SOCKET SOCKET |
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46 | |||
47 | LocalIP rd 4 ; network byte order |
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48 | RemoteIP rd 4 ; network byte order |
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49 | |||
50 | ends |
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51 | |||
52 | struct TCP_SOCKET IP_SOCKET |
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53 | |||
54 | LocalPort dw ? ; network byte order |
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55 | RemotePort dw ? ; network byte order |
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56 | |||
57 | t_state dd ? ; TCB state |
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58 | t_rxtshift db ? |
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59 | rb 3 ; align |
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60 | t_rxtcur dd ? |
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61 | t_dupacks dd ? |
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62 | t_maxseg dd ? |
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63 | t_force dd ? |
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64 | t_flags dd ? |
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65 | |||
66 | ;--------------- |
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67 | ; RFC783 page 21 |
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68 | |||
69 | ; send sequence |
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70 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
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71 | SND_NXT dd ? ; next send sequence number to use |
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72 | SND_UP dd ? ; urgent pointer |
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73 | SND_WL1 dd ? ; window minus one |
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74 | SND_WL2 dd ? ; |
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75 | ISS dd ? ; initial send sequence number |
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76 | SND_WND dd ? ; send window |
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77 | |||
78 | ; receive sequence |
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79 | RCV_WND dd ? ; receive window |
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80 | RCV_NXT dd ? ; next receive sequence number to use |
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81 | RCV_UP dd ? ; urgent pointer |
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82 | IRS dd ? ; initial receive sequence number |
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83 | |||
84 | ;--------------------- |
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85 | ; Additional variables |
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86 | |||
87 | ; receive variables |
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88 | RCV_ADV dd ? |
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89 | |||
90 | ; retransmit variables |
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91 | SND_MAX dd ? |
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92 | |||
93 | ; congestion control |
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94 | SND_CWND dd ? |
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95 | SND_SSTHRESH dd ? |
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96 | |||
97 | ;---------------------- |
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98 | ; Transmit timing stuff |
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99 | t_idle dd ? |
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100 | t_rtt dd ? |
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101 | t_rtseq dd ? |
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102 | t_srtt dd ? |
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103 | t_rttvar dd ? |
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104 | t_rttmin dd ? |
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105 | max_sndwnd dd ? |
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106 | |||
107 | ;----------------- |
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108 | ; Out-of-band data |
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109 | t_oobflags dd ? |
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110 | t_iobc dd ? |
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111 | t_softerror dd ? |
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112 | |||
113 | |||
114 | ;--------- |
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115 | ; RFC 1323 ; the order of next 4 elements may not change |
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116 | |||
117 | SND_SCALE db ? |
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118 | RCV_SCALE db ? |
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119 | requested_s_scale db ? |
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120 | request_r_scale db ? |
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121 | |||
122 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
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123 | ts_recent_age dd ? |
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124 | last_ack_sent dd ? |
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125 | |||
126 | |||
127 | ;------- |
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128 | ; Timers |
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3600 | hidnplayr | 129 | timer_flags dd ? |
3545 | hidnplayr | 130 | timer_retransmission dd ? ; rexmt |
131 | timer_persist dd ? |
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132 | timer_keepalive dd ? ; keepalive/syn timeout |
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133 | timer_timed_wait dd ? ; also used as 2msl timer |
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4021 | hidnplayr | 134 | timer_connect dd ? |
3545 | hidnplayr | 135 | |
136 | ; extra |
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137 | |||
138 | ts_ecr dd ? ; timestamp echo reply |
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139 | ts_val dd ? |
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140 | |||
141 | seg_next dd ? ; re-assembly queue |
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142 | |||
143 | temp_bits db ? |
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144 | rb 3 ; align |
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145 | |||
4021 | hidnplayr | 146 | |
3545 | hidnplayr | 147 | ends |
148 | |||
149 | struct UDP_SOCKET IP_SOCKET |
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150 | |||
151 | LocalPort dw ? ; network byte order |
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152 | RemotePort dw ? ; network byte order |
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153 | firstpacket db ? |
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154 | |||
155 | ends |
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156 | |||
157 | |||
158 | struct ICMP_SOCKET IP_SOCKET |
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159 | |||
160 | Identifier dw ? |
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161 | |||
162 | ends |
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163 | |||
164 | |||
165 | struct RING_BUFFER |
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166 | |||
167 | mutex MUTEX |
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168 | start_ptr dd ? ; Pointer to start of buffer |
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169 | end_ptr dd ? ; pointer to end of buffer |
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170 | read_ptr dd ? ; Read pointer |
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171 | write_ptr dd ? ; Write pointer |
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172 | size dd ? ; Number of bytes buffered |
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173 | |||
174 | ends |
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175 | |||
176 | struct STREAM_SOCKET TCP_SOCKET |
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177 | |||
178 | rcv RING_BUFFER |
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179 | snd RING_BUFFER |
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180 | |||
181 | ends |
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182 | |||
183 | struct socket_queue_entry |
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184 | |||
185 | data_ptr dd ? |
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186 | buf_ptr dd ? |
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187 | data_size dd ? |
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188 | |||
189 | ends |
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190 | |||
191 | |||
192 | SOCKETBUFFSIZE = 4096 ; in bytes |
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193 | |||
194 | SOCKET_QUEUE_SIZE = 10 ; maximum number of incoming packets queued for 1 socket |
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195 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
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196 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
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197 | |||
198 | uglobal |
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3698 | hidnplayr | 199 | align 4 |
200 | |||
3545 | hidnplayr | 201 | net_sockets rd 4 |
202 | last_socket_num dd ? |
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203 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
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204 | last_TCP_port dw ? ; |
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3647 | hidnplayr | 205 | socket_mutex MUTEX |
3698 | hidnplayr | 206 | |
3545 | hidnplayr | 207 | endg |
208 | |||
209 | |||
210 | ;----------------------------------------------------------------- |
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211 | ; |
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212 | ; SOCKET_init |
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213 | ; |
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214 | ;----------------------------------------------------------------- |
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215 | macro SOCKET_init { |
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216 | |||
217 | xor eax, eax |
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218 | mov edi, net_sockets |
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219 | mov ecx, 5 |
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3711 | clevermous | 220 | rep stosd |
3545 | hidnplayr | 221 | |
222 | @@: |
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223 | pseudo_random eax |
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3600 | hidnplayr | 224 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 225 | jb @r |
3600 | hidnplayr | 226 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 227 | ja @r |
228 | xchg al, ah |
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229 | mov [last_UDP_port], ax |
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230 | |||
231 | @@: |
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232 | pseudo_random eax |
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3600 | hidnplayr | 233 | cmp ax, EPHEMERAL_PORT_MIN |
3545 | hidnplayr | 234 | jb @r |
3600 | hidnplayr | 235 | cmp ax, EPHEMERAL_PORT_MAX |
3545 | hidnplayr | 236 | ja @r |
237 | xchg al, ah |
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238 | mov [last_TCP_port], ax |
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239 | |||
3647 | hidnplayr | 240 | mov ecx, socket_mutex |
241 | call mutex_init |
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242 | |||
3545 | hidnplayr | 243 | } |
244 | |||
245 | ;----------------------------------------------------------------- |
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246 | ; |
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247 | ; Socket API (function 74) |
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248 | ; |
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249 | ;----------------------------------------------------------------- |
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250 | align 4 |
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251 | sys_socket: |
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252 | |||
3673 | hidnplayr | 253 | mov dword[esp+20], 0 ; Set error code to 0 |
3659 | hidnplayr | 254 | |
3545 | hidnplayr | 255 | cmp ebx, 255 |
256 | jz SOCKET_debug |
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257 | |||
258 | cmp ebx, .number |
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3658 | hidnplayr | 259 | ja .error |
3545 | hidnplayr | 260 | jmp dword [.table + 4*ebx] |
261 | |||
262 | .table: |
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263 | dd SOCKET_open ; 0 |
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264 | dd SOCKET_close ; 1 |
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265 | dd SOCKET_bind ; 2 |
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266 | dd SOCKET_listen ; 3 |
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267 | dd SOCKET_connect ; 4 |
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268 | dd SOCKET_accept ; 5 |
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269 | dd SOCKET_send ; 6 |
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270 | dd SOCKET_receive ; 7 |
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271 | dd SOCKET_set_opt ; 8 |
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272 | dd SOCKET_get_opt ; 9 |
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273 | dd SOCKET_pair ; 10 |
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274 | .number = ($ - .table) / 4 - 1 |
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275 | |||
3658 | hidnplayr | 276 | .error: |
277 | mov dword[esp+32], -1 |
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3673 | hidnplayr | 278 | mov dword[esp+20], EINVAL |
3545 | hidnplayr | 279 | |
280 | ret |
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281 | |||
282 | ;----------------------------------------------------------------- |
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283 | ; |
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284 | ; SOCKET_open |
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285 | ; |
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286 | ; IN: domain in ecx |
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287 | ; type in edx |
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288 | ; protocol in esi |
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289 | ; OUT: eax is socket num, -1 on error |
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290 | ; |
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291 | ;----------------------------------------------------------------- |
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292 | align 4 |
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293 | SOCKET_open: |
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294 | |||
3556 | hidnplayr | 295 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_open: domain=%u type=%u protocol=%x ", ecx, edx, esi |
3545 | hidnplayr | 296 | |
297 | push ecx edx esi |
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298 | call SOCKET_alloc |
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299 | pop esi edx ecx |
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3658 | hidnplayr | 300 | jz .nobuffs |
3545 | hidnplayr | 301 | |
302 | mov [esp+32], edi ; return socketnumber |
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3556 | hidnplayr | 303 | DEBUGF DEBUG_NETWORK_VERBOSE, "socknum=%u\n", edi |
3545 | hidnplayr | 304 | |
3705 | hidnplayr | 305 | test edx, SO_NONBLOCK |
306 | jz @f |
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307 | or [eax + SOCKET.options], SO_NONBLOCK |
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308 | and edx, not SO_NONBLOCK |
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309 | @@: |
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3545 | hidnplayr | 310 | |
311 | mov [eax + SOCKET.Domain], ecx |
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312 | mov [eax + SOCKET.Type], edx |
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313 | mov [eax + SOCKET.Protocol], esi |
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314 | |||
315 | cmp ecx, AF_INET4 |
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316 | jne .no_inet4 |
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317 | |||
318 | cmp edx, SOCK_DGRAM |
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319 | je .udp |
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320 | |||
321 | cmp edx, SOCK_STREAM |
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322 | je .tcp |
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323 | |||
324 | cmp edx, SOCK_RAW |
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325 | je .raw |
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326 | |||
327 | .no_inet4: |
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328 | cmp ecx, AF_PPP |
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329 | jne .no_ppp |
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330 | |||
331 | cmp esi, PPP_PROTO_ETHERNET |
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332 | je .pppoe |
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333 | |||
334 | .no_ppp: |
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3658 | hidnplayr | 335 | .unsupported: |
336 | push eax |
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337 | call SOCKET_free |
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338 | pop eax |
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3673 | hidnplayr | 339 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 340 | mov dword[esp+32], -1 |
3545 | hidnplayr | 341 | ret |
342 | |||
3658 | hidnplayr | 343 | .nobuffs: |
3673 | hidnplayr | 344 | mov dword[esp+20], ENOBUFS |
3658 | hidnplayr | 345 | mov dword[esp+32], -1 |
346 | ret |
||
347 | |||
3545 | hidnplayr | 348 | .raw: |
349 | test esi, esi ; IP_PROTO_IP |
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3658 | hidnplayr | 350 | jz .raw_ip |
3545 | hidnplayr | 351 | |
352 | cmp esi, IP_PROTO_ICMP |
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3658 | hidnplayr | 353 | je .raw_icmp |
3545 | hidnplayr | 354 | |
3658 | hidnplayr | 355 | jmp .unsupported |
3545 | hidnplayr | 356 | |
357 | align 4 |
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358 | .udp: |
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359 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
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360 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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361 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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362 | ret |
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363 | |||
364 | align 4 |
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365 | .tcp: |
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366 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
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367 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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368 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
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369 | |||
370 | TCP_init_socket eax |
||
371 | ret |
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372 | |||
373 | |||
374 | align 4 |
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3658 | hidnplayr | 375 | .raw_ip: |
3545 | hidnplayr | 376 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
377 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
378 | ret |
||
379 | |||
380 | |||
381 | align 4 |
||
3658 | hidnplayr | 382 | .raw_icmp: |
3545 | hidnplayr | 383 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
384 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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385 | ret |
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386 | |||
387 | align 4 |
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388 | .pppoe: |
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389 | push eax |
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390 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
391 | pop eax |
||
392 | |||
393 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
||
394 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
395 | ret |
||
396 | |||
397 | |||
398 | ;----------------------------------------------------------------- |
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399 | ; |
||
400 | ; SOCKET_bind |
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401 | ; |
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402 | ; IN: socket number in ecx |
||
403 | ; pointer to sockaddr struct in edx |
||
404 | ; length of that struct in esi |
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405 | ; OUT: 0 on success |
||
406 | ; |
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407 | ;----------------------------------------------------------------- |
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408 | align 4 |
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409 | SOCKET_bind: |
||
410 | |||
3556 | hidnplayr | 411 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 412 | |
413 | call SOCKET_num_to_ptr |
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3658 | hidnplayr | 414 | jz .invalid |
3545 | hidnplayr | 415 | |
416 | cmp esi, 2 |
||
3658 | hidnplayr | 417 | jb .invalid |
3545 | hidnplayr | 418 | |
419 | cmp word [edx], AF_INET4 |
||
420 | je .af_inet4 |
||
421 | |||
422 | cmp word [edx], AF_LOCAL |
||
423 | je .af_local |
||
424 | |||
3658 | hidnplayr | 425 | .notsupp: |
3673 | hidnplayr | 426 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 427 | mov dword[esp+32], -1 |
428 | ret |
||
3545 | hidnplayr | 429 | |
3658 | hidnplayr | 430 | .invalid: |
3673 | hidnplayr | 431 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 432 | mov dword[esp+32], -1 |
433 | ret |
||
434 | |||
3545 | hidnplayr | 435 | .af_local: |
436 | ; TODO: write code here |
||
3658 | hidnplayr | 437 | mov dword[esp+32], 0 |
3545 | hidnplayr | 438 | ret |
439 | |||
440 | .af_inet4: |
||
441 | cmp esi, 6 |
||
3658 | hidnplayr | 442 | jb .invalid |
3545 | hidnplayr | 443 | |
444 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
445 | je .udp |
||
446 | |||
447 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
448 | je .tcp |
||
449 | |||
3658 | hidnplayr | 450 | jmp .notsupp |
3545 | hidnplayr | 451 | |
452 | .tcp: |
||
453 | .udp: |
||
3637 | hidnplayr | 454 | mov ebx, [edx + 4] ; First, fill in the IP |
3545 | hidnplayr | 455 | test ebx, ebx ; If IP is 0, use default |
456 | jnz @f |
||
3601 | hidnplayr | 457 | mov ebx, [IP_LIST + 4] ;;;;; FIXME !i!i!i |
3545 | hidnplayr | 458 | @@: |
459 | mov [eax + IP_SOCKET.LocalIP], ebx |
||
460 | |||
461 | mov bx, [edx + 2] ; Now fill in the local port if it's still available |
||
462 | call SOCKET_check_port |
||
3658 | hidnplayr | 463 | jz .addrinuse ; ZF is set by socket_check_port, on error |
3545 | hidnplayr | 464 | |
3556 | hidnplayr | 465 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
3545 | hidnplayr | 466 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
467 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
468 | |||
3658 | hidnplayr | 469 | mov dword[esp+32], 0 |
3545 | hidnplayr | 470 | ret |
471 | |||
3658 | hidnplayr | 472 | .addrinuse: |
473 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 474 | mov dword[esp+20], EADDRINUSE |
3658 | hidnplayr | 475 | ret |
3545 | hidnplayr | 476 | |
477 | |||
478 | |||
3658 | hidnplayr | 479 | |
3545 | hidnplayr | 480 | ;----------------------------------------------------------------- |
481 | ; |
||
482 | ; SOCKET_connect |
||
483 | ; |
||
484 | ; IN: socket number in ecx |
||
485 | ; pointer to sockaddr struct in edx |
||
486 | ; length of that struct in esi |
||
487 | ; OUT: 0 on success |
||
488 | ; |
||
489 | ;----------------------------------------------------------------- |
||
490 | align 4 |
||
491 | SOCKET_connect: |
||
492 | |||
3556 | hidnplayr | 493 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 494 | |
495 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 496 | jz .invalid |
3545 | hidnplayr | 497 | |
498 | cmp esi, 8 |
||
3658 | hidnplayr | 499 | jb .invalid |
3545 | hidnplayr | 500 | |
4025 | hidnplayr | 501 | cmp [eax + SOCKET.state], SS_ISCONNECTING |
502 | je .already |
||
503 | |||
504 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
505 | jnz .notsupp |
||
506 | |||
3545 | hidnplayr | 507 | cmp word [edx], AF_INET4 |
508 | je .af_inet4 |
||
509 | |||
3658 | hidnplayr | 510 | .notsupp: |
3673 | hidnplayr | 511 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 512 | mov dword[esp+32], -1 |
513 | ret |
||
3545 | hidnplayr | 514 | |
3658 | hidnplayr | 515 | .invalid: |
3673 | hidnplayr | 516 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 517 | mov dword[esp+32], -1 |
518 | ret |
||
519 | |||
4025 | hidnplayr | 520 | .already: |
521 | mov dword[esp+20], EALREADY |
||
522 | mov dword[esp+32], -1 |
||
523 | ret |
||
524 | |||
525 | .eisconn: |
||
526 | mov dword[esp+20], EISCONN |
||
527 | mov dword[esp+32], -1 |
||
528 | ret |
||
529 | |||
3545 | hidnplayr | 530 | .af_inet4: |
531 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
532 | jne @f |
||
4025 | hidnplayr | 533 | push [IP_LIST + 4] ; FIXME: use correct local IP |
3545 | hidnplayr | 534 | pop [eax + IP_SOCKET.LocalIP] |
535 | @@: |
||
536 | |||
537 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
538 | je .udp |
||
539 | |||
540 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
541 | je .tcp |
||
542 | |||
543 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
||
544 | je .ip |
||
545 | |||
546 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
||
547 | je .ip |
||
548 | |||
3658 | hidnplayr | 549 | jmp .notsupp |
3545 | hidnplayr | 550 | |
551 | align 4 |
||
552 | .udp: |
||
553 | pusha |
||
554 | lea ecx, [eax + SOCKET.mutex] |
||
555 | call mutex_lock |
||
556 | popa |
||
557 | |||
4025 | hidnplayr | 558 | ; Fill in remote port and IP, overwriting eventually previous values |
3545 | hidnplayr | 559 | pushw [edx + 2] |
560 | pop [eax + UDP_SOCKET.RemotePort] |
||
561 | |||
562 | pushd [edx + 4] |
||
563 | pop [eax + IP_SOCKET.RemoteIP] |
||
564 | |||
565 | cmp [eax + UDP_SOCKET.LocalPort], 0 |
||
566 | jne @f |
||
567 | call SOCKET_find_port |
||
568 | @@: |
||
569 | |||
570 | mov [eax + UDP_SOCKET.firstpacket], 0 |
||
571 | |||
572 | push eax |
||
573 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
574 | pop eax |
||
575 | |||
576 | lea ecx, [eax + SOCKET.mutex] |
||
577 | call mutex_unlock |
||
578 | |||
4025 | hidnplayr | 579 | call SOCKET_is_connected |
580 | |||
3658 | hidnplayr | 581 | mov dword[esp+32], 0 |
3545 | hidnplayr | 582 | ret |
583 | |||
584 | align 4 |
||
585 | .tcp: |
||
4025 | hidnplayr | 586 | test [eax + SOCKET.state], SS_ISCONNECTED |
587 | jnz .eisconn |
||
588 | |||
3545 | hidnplayr | 589 | pusha |
590 | lea ecx, [eax + SOCKET.mutex] |
||
591 | call mutex_lock |
||
592 | popa |
||
593 | |||
594 | pushw [edx + 2] |
||
595 | pop [eax + TCP_SOCKET.RemotePort] |
||
596 | |||
597 | pushd [edx + 4] |
||
598 | pop [eax + IP_SOCKET.RemoteIP] |
||
599 | |||
600 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
601 | jne @f |
||
602 | call SOCKET_find_port |
||
603 | @@: |
||
604 | |||
605 | mov [eax + TCP_SOCKET.timer_persist], 0 |
||
606 | mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT |
||
607 | |||
608 | push [TCP_sequence_num] |
||
609 | add [TCP_sequence_num], 6400 |
||
610 | pop [eax + TCP_SOCKET.ISS] |
||
611 | mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init |
||
612 | |||
613 | TCP_sendseqinit eax |
||
614 | |||
615 | mov ebx, eax |
||
616 | lea eax, [ebx + STREAM_SOCKET.snd] |
||
3658 | hidnplayr | 617 | call SOCKET_ring_create ; TODO: check if memory was available or not |
3545 | hidnplayr | 618 | |
619 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
3658 | hidnplayr | 620 | call SOCKET_ring_create ; TODO: same here |
3545 | hidnplayr | 621 | |
4025 | hidnplayr | 622 | push ebx |
3545 | hidnplayr | 623 | lea ecx, [ebx + SOCKET.mutex] |
624 | call mutex_unlock |
||
4025 | hidnplayr | 625 | pop eax |
3545 | hidnplayr | 626 | |
4025 | hidnplayr | 627 | call SOCKET_is_connecting |
628 | |||
629 | push eax |
||
3545 | hidnplayr | 630 | call TCP_output |
3674 | hidnplayr | 631 | pop eax |
3545 | hidnplayr | 632 | |
3674 | hidnplayr | 633 | .block: |
634 | test [eax + SOCKET.options], SO_NONBLOCK |
||
4020 | hidnplayr | 635 | jz .waitforit |
3545 | hidnplayr | 636 | |
3704 | hidnplayr | 637 | mov dword[esp+32], -1 |
4025 | hidnplayr | 638 | mov dword[esp+20], EINPROGRESS |
3674 | hidnplayr | 639 | ret |
640 | |||
4020 | hidnplayr | 641 | .waitforit: |
642 | push eax |
||
4025 | hidnplayr | 643 | stdcall timer_hs, 300, 0, .timeout, eax ; FIXME: make timeout a constant |
4021 | hidnplayr | 644 | pop ebx |
645 | mov [ebx + TCP_SOCKET.timer_connect], eax |
||
646 | mov eax, ebx |
||
4020 | hidnplayr | 647 | |
3674 | hidnplayr | 648 | .loop: |
4020 | hidnplayr | 649 | cmp [eax + SOCKET.errorcode], 0 |
650 | jne .fail |
||
3698 | hidnplayr | 651 | cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED |
652 | je .established |
||
3674 | hidnplayr | 653 | |
654 | call SOCKET_block |
||
655 | jmp .loop |
||
656 | |||
4021 | hidnplayr | 657 | .timeout: |
4020 | hidnplayr | 658 | mov eax, [esp+4] |
659 | mov [eax + SOCKET.errorcode], ETIMEDOUT |
||
4025 | hidnplayr | 660 | and [eax + SOCKET.state], not SS_ISCONNECTING |
4020 | hidnplayr | 661 | call SOCKET_notify.unblock |
662 | ret 4 |
||
663 | |||
3674 | hidnplayr | 664 | .fail: |
665 | mov eax, [eax + SOCKET.errorcode] |
||
4025 | hidnplayr | 666 | mov [eax + SOCKET.errorcode], 0 ; Clear the error, we only need to send it to the caller once |
3674 | hidnplayr | 667 | mov [esp+20], eax |
668 | mov dword[esp+32], -1 |
||
669 | ret |
||
670 | |||
3698 | hidnplayr | 671 | .established: |
4021 | hidnplayr | 672 | stdcall cancel_timer_hs, [eax + TCP_SOCKET.timer_connect] |
4025 | hidnplayr | 673 | mov dword[esp+20], EISCONN |
3658 | hidnplayr | 674 | mov dword[esp+32], 0 |
3545 | hidnplayr | 675 | ret |
676 | |||
3674 | hidnplayr | 677 | |
3545 | hidnplayr | 678 | align 4 |
679 | .ip: |
||
680 | pusha |
||
681 | lea ecx, [eax + SOCKET.mutex] |
||
682 | call mutex_lock |
||
683 | popa |
||
684 | |||
685 | pushd [edx + 4] |
||
686 | pop [eax + IP_SOCKET.RemoteIP] |
||
687 | |||
688 | push eax |
||
689 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
690 | pop eax |
||
691 | |||
692 | lea ecx, [eax + SOCKET.mutex] |
||
693 | call mutex_unlock |
||
694 | |||
3658 | hidnplayr | 695 | mov dword[esp+32], 0 |
3545 | hidnplayr | 696 | ret |
697 | |||
698 | |||
699 | ;----------------------------------------------------------------- |
||
700 | ; |
||
701 | ; SOCKET_listen |
||
702 | ; |
||
703 | ; IN: socket number in ecx |
||
704 | ; backlog in edx |
||
705 | ; OUT: eax is socket num, -1 on error |
||
706 | ; |
||
707 | ;----------------------------------------------------------------- |
||
708 | align 4 |
||
709 | SOCKET_listen: |
||
710 | |||
3556 | hidnplayr | 711 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 712 | |
713 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 714 | jz .invalid |
3545 | hidnplayr | 715 | |
716 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 717 | jne .notsupp |
3545 | hidnplayr | 718 | |
719 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 720 | jne .invalid |
3545 | hidnplayr | 721 | |
722 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 723 | je .already |
3545 | hidnplayr | 724 | |
725 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
726 | jne @f |
||
3601 | hidnplayr | 727 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 728 | pop [eax + IP_SOCKET.LocalIP] |
729 | @@: |
||
730 | |||
731 | cmp edx, MAX_backlog |
||
732 | jbe @f |
||
733 | mov edx, MAX_backlog |
||
734 | @@: |
||
735 | |||
736 | mov [eax + SOCKET.backlog], dx |
||
737 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
738 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
739 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
740 | |||
741 | push eax |
||
742 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
743 | pop eax |
||
744 | |||
3658 | hidnplayr | 745 | mov dword[esp+32], 0 |
746 | ret |
||
3545 | hidnplayr | 747 | |
3658 | hidnplayr | 748 | .notsupp: |
3673 | hidnplayr | 749 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 750 | mov dword[esp+32], -1 |
3545 | hidnplayr | 751 | ret |
752 | |||
3658 | hidnplayr | 753 | .invalid: |
3673 | hidnplayr | 754 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 755 | mov dword[esp+32], -1 |
756 | ret |
||
3545 | hidnplayr | 757 | |
3658 | hidnplayr | 758 | .already: |
3673 | hidnplayr | 759 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 760 | mov dword[esp+32], -1 |
761 | ret |
||
762 | |||
763 | |||
3545 | hidnplayr | 764 | ;----------------------------------------------------------------- |
765 | ; |
||
766 | ; SOCKET_accept |
||
767 | ; |
||
768 | ; IN: socket number in ecx |
||
769 | ; addr in edx |
||
770 | ; addrlen in esi |
||
771 | ; OUT: eax is socket num, -1 on error |
||
772 | ; |
||
773 | ;----------------------------------------------------------------- |
||
774 | align 4 |
||
775 | SOCKET_accept: |
||
776 | |||
3556 | hidnplayr | 777 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 778 | |
779 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 780 | jz .invalid |
3545 | hidnplayr | 781 | |
782 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 783 | jz .invalid |
3545 | hidnplayr | 784 | |
785 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 786 | jne .notsupp |
3545 | hidnplayr | 787 | |
788 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 789 | jne .invalid |
3545 | hidnplayr | 790 | |
791 | .loop: |
||
792 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
793 | |||
794 | ; Ok, we got a socket ptr |
||
795 | mov eax, [esi] |
||
796 | |||
797 | ; Change thread ID to that of the current thread |
||
798 | mov ebx, [TASK_BASE] |
||
799 | mov ebx, [ebx + TASKDATA.pid] |
||
800 | mov [eax + SOCKET.TID], ebx |
||
801 | |||
3817 | hidnplayr | 802 | ; Convert it to a socket number |
803 | call SOCKET_ptr_to_num |
||
804 | jz .invalid ; FIXME ? |
||
805 | |||
3545 | hidnplayr | 806 | ; and return it to caller |
807 | mov [esp+32], eax |
||
808 | ret |
||
809 | |||
810 | .block: |
||
811 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 812 | jnz .wouldblock |
3545 | hidnplayr | 813 | |
814 | call SOCKET_block |
||
815 | jmp .loop |
||
816 | |||
3658 | hidnplayr | 817 | .wouldblock: |
3673 | hidnplayr | 818 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 819 | mov dword[esp+32], -1 |
820 | ret |
||
821 | |||
822 | .invalid: |
||
3673 | hidnplayr | 823 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 824 | mov dword[esp+32], -1 |
825 | ret |
||
826 | |||
827 | .notsupp: |
||
3673 | hidnplayr | 828 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 829 | mov dword[esp+32], -1 |
830 | ret |
||
831 | |||
3545 | hidnplayr | 832 | ;----------------------------------------------------------------- |
833 | ; |
||
834 | ; SOCKET_close |
||
835 | ; |
||
836 | ; IN: socket number in ecx |
||
837 | ; OUT: eax is socket num, -1 on error |
||
838 | ; |
||
839 | ;----------------------------------------------------------------- |
||
840 | align 4 |
||
841 | SOCKET_close: |
||
842 | |||
3556 | hidnplayr | 843 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 844 | |
845 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 846 | jz .invalid |
3545 | hidnplayr | 847 | |
3658 | hidnplayr | 848 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 849 | |
850 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
851 | |||
852 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
853 | jz @f |
||
854 | call SOCKET_notify.unblock ; Unblock it. |
||
855 | @@: |
||
856 | |||
857 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
858 | jne .free |
||
859 | |||
860 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
861 | je .tcp |
||
862 | |||
863 | .free: |
||
864 | call SOCKET_free |
||
865 | ret |
||
866 | |||
867 | .tcp: |
||
868 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
||
869 | jb .free |
||
870 | |||
871 | call TCP_usrclosed |
||
872 | call TCP_output ;;;; Fixme: is this nescessary?? |
||
3646 | hidnplayr | 873 | call SOCKET_free |
3545 | hidnplayr | 874 | |
875 | ret |
||
876 | |||
877 | |||
3658 | hidnplayr | 878 | .invalid: |
3673 | hidnplayr | 879 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 880 | mov dword[esp+32], -1 |
881 | ret |
||
882 | |||
883 | |||
3545 | hidnplayr | 884 | ;----------------------------------------------------------------- |
885 | ; |
||
886 | ; SOCKET_receive |
||
887 | ; |
||
888 | ; IN: socket number in ecx |
||
889 | ; addr to buffer in edx |
||
890 | ; length of buffer in esi |
||
891 | ; flags in edi |
||
892 | ; OUT: eax is number of bytes copied, -1 on error |
||
893 | ; |
||
894 | ;----------------------------------------------------------------- |
||
895 | align 4 |
||
896 | SOCKET_receive: |
||
897 | |||
3556 | hidnplayr | 898 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 899 | |
900 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 901 | jz .invalid |
3545 | hidnplayr | 902 | |
3704 | hidnplayr | 903 | .loop: |
904 | push edi |
||
3565 | hidnplayr | 905 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 906 | pop edi |
3545 | hidnplayr | 907 | |
3704 | hidnplayr | 908 | cmp ebx, EWOULDBLOCK |
909 | jne .return |
||
910 | |||
911 | test edi, MSG_DONTWAIT |
||
912 | jnz .return_err |
||
913 | |||
3737 | hidnplayr | 914 | test [eax + SOCKET.state], SS_CANTRCVMORE |
915 | jnz .return_err |
||
916 | |||
3704 | hidnplayr | 917 | ; test [eax + SOCKET.options], SO_NONBLOCK |
918 | ; jnz .return_err |
||
919 | |||
920 | call SOCKET_block |
||
921 | jmp .loop |
||
922 | |||
923 | |||
924 | .invalid: |
||
925 | push EINVAL |
||
926 | pop ebx |
||
927 | .return_err: |
||
928 | mov eax, -1 |
||
929 | .return: |
||
3673 | hidnplayr | 930 | mov [esp+20], ebx |
3565 | hidnplayr | 931 | mov [esp+32], eax |
932 | ret |
||
3545 | hidnplayr | 933 | |
3565 | hidnplayr | 934 | |
3658 | hidnplayr | 935 | |
3704 | hidnplayr | 936 | |
937 | |||
3545 | hidnplayr | 938 | align 4 |
939 | SOCKET_receive_dgram: |
||
3704 | hidnplayr | 940 | |
3556 | hidnplayr | 941 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 942 | |
3704 | hidnplayr | 943 | mov ebx, esi ; bufferlength |
3545 | hidnplayr | 944 | |
3704 | hidnplayr | 945 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 946 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 947 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 948 | |
3704 | hidnplayr | 949 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 950 | ja .too_small |
951 | |||
3565 | hidnplayr | 952 | push ecx |
3545 | hidnplayr | 953 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
954 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 955 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 956 | |
3704 | hidnplayr | 957 | ; copy the data from kernel buffer to application buffer |
958 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 959 | shr ecx, 1 |
960 | jnc .nb |
||
961 | movsb |
||
962 | .nb: |
||
963 | shr ecx, 1 |
||
964 | jnc .nw |
||
965 | movsw |
||
966 | .nw: |
||
967 | test ecx, ecx |
||
968 | jz .nd |
||
3711 | clevermous | 969 | rep movsd |
3545 | hidnplayr | 970 | .nd: |
971 | |||
3861 | hidnplayr | 972 | call NET_packet_free |
3704 | hidnplayr | 973 | pop eax ; return number of bytes copied to application |
974 | xor ebx, ebx |
||
3545 | hidnplayr | 975 | ret |
976 | |||
977 | .too_small: |
||
3565 | hidnplayr | 978 | mov eax, -1 |
3704 | hidnplayr | 979 | push EMSGSIZE |
980 | pop ebx |
||
3565 | hidnplayr | 981 | ret |
3545 | hidnplayr | 982 | |
3658 | hidnplayr | 983 | .wouldblock: |
3704 | hidnplayr | 984 | push EWOULDBLOCK |
985 | pop ebx |
||
3658 | hidnplayr | 986 | ret |
3545 | hidnplayr | 987 | |
3658 | hidnplayr | 988 | |
3704 | hidnplayr | 989 | |
3545 | hidnplayr | 990 | align 4 |
991 | SOCKET_receive_local: |
||
992 | |||
993 | ; does this socket have a PID yet? |
||
994 | cmp [eax + SOCKET.PID], 0 |
||
995 | jne @f |
||
996 | |||
997 | ; Change PID to that of current process |
||
998 | mov ebx, [TASK_BASE] |
||
999 | mov ebx, [ebx + TASKDATA.pid] |
||
1000 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 1001 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 1002 | @@: |
1003 | |||
1004 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
1005 | |||
3704 | hidnplayr | 1006 | ; ... continue to SOCKET_receive_stream |
1007 | |||
3545 | hidnplayr | 1008 | align 4 |
1009 | SOCKET_receive_stream: |
||
1010 | |||
3556 | hidnplayr | 1011 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 1012 | |
3704 | hidnplayr | 1013 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
1014 | je .wouldblock |
||
1015 | |||
1016 | test edi, MSG_PEEK |
||
1017 | jnz .peek |
||
1018 | |||
3545 | hidnplayr | 1019 | mov ecx, esi |
1020 | mov edi, edx |
||
1021 | xor edx, edx |
||
1022 | |||
1023 | add eax, STREAM_SOCKET.rcv |
||
3704 | hidnplayr | 1024 | call SOCKET_ring_read ; copy data from kernel buffer to application buffer |
1025 | call SOCKET_ring_free ; free read memory |
||
3545 | hidnplayr | 1026 | |
3704 | hidnplayr | 1027 | mov eax, ecx ; return number of bytes copied |
1028 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 1029 | ret |
1030 | |||
3704 | hidnplayr | 1031 | .wouldblock: |
1032 | push EWOULDBLOCK |
||
1033 | pop ebx |
||
1034 | ret |
||
1035 | |||
3545 | hidnplayr | 1036 | .peek: |
3565 | hidnplayr | 1037 | mov eax, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 1038 | xor ebx, ebx |
3545 | hidnplayr | 1039 | ret |
1040 | |||
1041 | |||
1042 | ;----------------------------------------------------------------- |
||
1043 | ; |
||
1044 | ; SOCKET_send |
||
1045 | ; |
||
1046 | ; |
||
1047 | ; IN: socket number in ecx |
||
1048 | ; pointer to data in edx |
||
1049 | ; datalength in esi |
||
1050 | ; flags in edi |
||
1051 | ; OUT: -1 on error |
||
1052 | ; |
||
1053 | ;----------------------------------------------------------------- |
||
1054 | align 4 |
||
1055 | SOCKET_send: |
||
1056 | |||
3556 | hidnplayr | 1057 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 1058 | |
1059 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1060 | jz .invalid |
3545 | hidnplayr | 1061 | |
1062 | mov ecx, esi |
||
1063 | mov esi, edx |
||
1064 | |||
1065 | jmp [eax + SOCKET.snd_proc] |
||
1066 | |||
3658 | hidnplayr | 1067 | .invalid: |
3673 | hidnplayr | 1068 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1069 | mov dword[esp+32], -1 |
1070 | ret |
||
3545 | hidnplayr | 1071 | |
3658 | hidnplayr | 1072 | |
3545 | hidnplayr | 1073 | align 4 |
1074 | SOCKET_send_udp: |
||
1075 | |||
3556 | hidnplayr | 1076 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1077 | |
1078 | mov [esp+32], ecx |
||
1079 | call UDP_output |
||
1080 | cmp eax, -1 |
||
3658 | hidnplayr | 1081 | je .error |
3545 | hidnplayr | 1082 | ret |
1083 | |||
3658 | hidnplayr | 1084 | .error: |
1085 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1086 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 1087 | ret |
3545 | hidnplayr | 1088 | |
3658 | hidnplayr | 1089 | |
3545 | hidnplayr | 1090 | align 4 |
1091 | SOCKET_send_tcp: |
||
1092 | |||
3556 | hidnplayr | 1093 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1094 | |
1095 | push eax |
||
1096 | add eax, STREAM_SOCKET.snd |
||
1097 | call SOCKET_ring_write |
||
1098 | pop eax |
||
1099 | |||
1100 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1101 | mov [eax + SOCKET.errorcode], 0 |
1102 | push eax |
||
1103 | call TCP_output ; FIXME: this doesnt look pretty, does it? |
||
1104 | pop eax |
||
1105 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 1106 | mov [esp+20], eax |
3545 | hidnplayr | 1107 | ret |
1108 | |||
1109 | |||
1110 | align 4 |
||
1111 | SOCKET_send_ip: |
||
1112 | |||
3556 | hidnplayr | 1113 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1114 | |
1115 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1116 | call IPv4_output_raw ; FIXME: IPv4_output_raw should return error codes! |
3545 | hidnplayr | 1117 | cmp eax, -1 |
3658 | hidnplayr | 1118 | je .error |
3545 | hidnplayr | 1119 | ret |
1120 | |||
3658 | hidnplayr | 1121 | .error: |
1122 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1123 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1124 | ret |
3545 | hidnplayr | 1125 | |
3658 | hidnplayr | 1126 | |
3545 | hidnplayr | 1127 | align 4 |
1128 | SOCKET_send_icmp: |
||
1129 | |||
3556 | hidnplayr | 1130 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1131 | |
1132 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1133 | call ICMP_output_raw ; FIXME: errorcodes |
3545 | hidnplayr | 1134 | cmp eax, -1 |
3658 | hidnplayr | 1135 | je .error |
3545 | hidnplayr | 1136 | ret |
1137 | |||
3658 | hidnplayr | 1138 | .error: |
1139 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1140 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1141 | ret |
3545 | hidnplayr | 1142 | |
3658 | hidnplayr | 1143 | |
3545 | hidnplayr | 1144 | align 4 |
1145 | SOCKET_send_pppoe: |
||
1146 | |||
3556 | hidnplayr | 1147 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1148 | |
1149 | mov [esp+32], ecx |
||
1150 | mov ebx, [eax + SOCKET.device] |
||
1151 | |||
3658 | hidnplayr | 1152 | call PPPoE_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1153 | cmp eax, -1 |
3658 | hidnplayr | 1154 | je .error |
3545 | hidnplayr | 1155 | ret |
1156 | |||
3658 | hidnplayr | 1157 | .error: |
1158 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1159 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1160 | ret |
3545 | hidnplayr | 1161 | |
1162 | |||
3658 | hidnplayr | 1163 | |
3545 | hidnplayr | 1164 | align 4 |
1165 | SOCKET_send_local: |
||
1166 | |||
1167 | ; does this socket have a PID yet? |
||
1168 | cmp [eax + SOCKET.PID], 0 |
||
1169 | jne @f |
||
1170 | |||
1171 | ; Change PID to that of current process |
||
1172 | mov ebx, [TASK_BASE] |
||
1173 | mov ebx, [ebx + TASKDATA.pid] |
||
1174 | mov [eax + SOCKET.PID], ebx |
||
1175 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1176 | @@: |
||
1177 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1178 | |||
1179 | align 4 |
||
1180 | SOCKET_send_local_: |
||
1181 | |||
3556 | hidnplayr | 1182 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1183 | |
1184 | ; get the other side's socket and check if it still exists |
||
1185 | mov eax, [eax + SOCKET.device] |
||
1186 | call SOCKET_check |
||
3658 | hidnplayr | 1187 | jz .invalid |
3545 | hidnplayr | 1188 | |
1189 | ; allright, shove in the data! |
||
1190 | push eax |
||
1191 | add eax, STREAM_SOCKET.rcv |
||
1192 | call SOCKET_ring_write |
||
1193 | pop eax |
||
1194 | |||
1195 | ; return the number of written bytes (or errorcode) to application |
||
1196 | mov [esp+32], ecx |
||
1197 | |||
1198 | ; and notify the other end |
||
1199 | call SOCKET_notify |
||
1200 | |||
1201 | ret |
||
1202 | |||
3658 | hidnplayr | 1203 | .invalid: |
1204 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1205 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1206 | ret |
3545 | hidnplayr | 1207 | |
3658 | hidnplayr | 1208 | |
3545 | hidnplayr | 1209 | ;----------------------------------------------------------------- |
1210 | ; |
||
1211 | ; SOCKET_get_options |
||
1212 | ; |
||
1213 | ; IN: ecx = socket number |
||
1214 | ; edx = pointer to the options: |
||
1215 | ; dd level, optname, optval, optlen |
||
1216 | ; OUT: -1 on error |
||
1217 | ; |
||
1218 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1219 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1220 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1221 | ; |
||
1222 | ;----------------------------------------------------------------- |
||
1223 | align 4 |
||
1224 | SOCKET_get_opt: |
||
1225 | |||
3556 | hidnplayr | 1226 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1227 | |
1228 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1229 | jz .invalid |
3545 | hidnplayr | 1230 | |
1231 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1232 | jne .invalid |
3545 | hidnplayr | 1233 | cmp dword [edx+4], -2 |
1234 | je @f |
||
1235 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1236 | jne .invalid |
3545 | hidnplayr | 1237 | @@: |
1238 | ; mov eax, [edx+12] |
||
1239 | ; test eax, eax |
||
1240 | ; jz .fail |
||
1241 | ; cmp dword [eax], 4 |
||
1242 | ; mov dword [eax], 4 |
||
1243 | ; jb .fail |
||
1244 | ; stdcall net_socket_num_to_addr, ecx |
||
1245 | ; test eax, eax |
||
1246 | ; jz .fail |
||
1247 | ; ; todo: check that eax is really TCP socket |
||
1248 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1249 | ; cmp dword [edx+4], -2 |
||
1250 | ; jz @f |
||
1251 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1252 | @@: |
||
1253 | mov eax, [edx+8] |
||
1254 | test eax, eax |
||
1255 | jz @f |
||
1256 | mov [eax], ecx |
||
1257 | @@: |
||
1258 | mov dword [esp+32], 0 |
||
1259 | ret |
||
1260 | |||
3658 | hidnplayr | 1261 | .invalid: |
1262 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1263 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1264 | ret |
3545 | hidnplayr | 1265 | |
1266 | |||
3658 | hidnplayr | 1267 | |
3545 | hidnplayr | 1268 | ;----------------------------------------------------------------- |
1269 | ; |
||
1270 | ; SOCKET_set_options |
||
1271 | ; |
||
1272 | ; IN: ecx = socket number |
||
1273 | ; edx = pointer to the options: |
||
1274 | ; dd level, optname, optlen, optval |
||
1275 | ; OUT: -1 on error |
||
1276 | ; |
||
1277 | ;----------------------------------------------------------------- |
||
1278 | align 4 |
||
1279 | SOCKET_set_opt: |
||
1280 | |||
3556 | hidnplayr | 1281 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1282 | |
1283 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1284 | jz .invalid |
3545 | hidnplayr | 1285 | |
1286 | cmp dword [edx], SOL_SOCKET |
||
3658 | hidnplayr | 1287 | jne .invalid |
3545 | hidnplayr | 1288 | |
1289 | cmp dword [edx+4], SO_BINDTODEVICE |
||
1290 | je .bind |
||
1291 | |||
3658 | hidnplayr | 1292 | .invalid: |
1293 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1294 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1295 | ret |
3545 | hidnplayr | 1296 | |
1297 | .bind: |
||
3658 | hidnplayr | 1298 | cmp dword[edx+8], 0 |
3545 | hidnplayr | 1299 | je .unbind |
1300 | |||
3658 | hidnplayr | 1301 | movzx edx, byte[edx + 9] |
3600 | hidnplayr | 1302 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1303 | ja .invalid |
3545 | hidnplayr | 1304 | |
1305 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1306 | test edx, edx |
||
3658 | hidnplayr | 1307 | jz .already |
3545 | hidnplayr | 1308 | mov [eax + SOCKET.device], edx |
1309 | |||
3556 | hidnplayr | 1310 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
3545 | hidnplayr | 1311 | |
3658 | hidnplayr | 1312 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1313 | ret |
1314 | |||
1315 | .unbind: |
||
1316 | mov [eax + SOCKET.device], 0 |
||
1317 | |||
3658 | hidnplayr | 1318 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1319 | ret |
1320 | |||
3658 | hidnplayr | 1321 | .already: |
3673 | hidnplayr | 1322 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1323 | mov dword[esp+32], -1 |
1324 | ret |
||
3545 | hidnplayr | 1325 | |
1326 | |||
3658 | hidnplayr | 1327 | |
1328 | |||
3545 | hidnplayr | 1329 | ;----------------------------------------------------------------- |
1330 | ; |
||
1331 | ; SOCKET_pair |
||
1332 | ; |
||
1333 | ; Allocates a pair of linked LOCAL domain sockets |
||
1334 | ; |
||
1335 | ; IN: / |
||
1336 | ; OUT: eax is socket1 num, -1 on error |
||
1337 | ; ebx is socket2 num |
||
1338 | ; |
||
1339 | ;----------------------------------------------------------------- |
||
1340 | align 4 |
||
1341 | SOCKET_pair: |
||
1342 | |||
3556 | hidnplayr | 1343 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1344 | |
1345 | call SOCKET_alloc |
||
3658 | hidnplayr | 1346 | jz .nomem1 |
3545 | hidnplayr | 1347 | mov [esp+32], edi ; application's eax |
1348 | |||
1349 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1350 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1351 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1352 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1353 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1354 | mov [eax + SOCKET.PID], 0 |
||
1355 | mov ebx, eax |
||
1356 | |||
1357 | call SOCKET_alloc |
||
3658 | hidnplayr | 1358 | jz .nomem2 |
3673 | hidnplayr | 1359 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1360 | |
1361 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1362 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1363 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1364 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1365 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1366 | mov [eax + SOCKET.PID], 0 |
||
1367 | |||
1368 | ; Link the two sockets to eachother |
||
1369 | mov [eax + SOCKET.device], ebx |
||
1370 | mov [ebx + SOCKET.device], eax |
||
1371 | |||
1372 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1373 | call SOCKET_ring_create |
||
1374 | |||
1375 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1376 | call SOCKET_ring_create |
||
1377 | pop eax |
||
1378 | |||
1379 | ret |
||
1380 | |||
3658 | hidnplayr | 1381 | .nomem2: |
3545 | hidnplayr | 1382 | mov eax, ebx |
1383 | call SOCKET_free |
||
3658 | hidnplayr | 1384 | .nomem1: |
1385 | mov dword[esp+32], -1 |
||
1386 | mov dword[esp+28], ENOMEM |
||
1387 | ret |
||
3545 | hidnplayr | 1388 | |
1389 | |||
1390 | |||
1391 | ;----------------------------------------------------------------- |
||
1392 | ; |
||
1393 | ; SOCKET_debug |
||
1394 | ; |
||
1395 | ; Copies socket variables to application buffer |
||
1396 | ; |
||
1397 | ; IN: ecx = socket number |
||
1398 | ; edx = pointer to buffer |
||
1399 | ; |
||
1400 | ; OUT: -1 on error |
||
1401 | ;----------------------------------------------------------------- |
||
1402 | align 4 |
||
1403 | SOCKET_debug: |
||
1404 | |||
3556 | hidnplayr | 1405 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1406 | |
1407 | mov edi, edx |
||
1408 | |||
1409 | test ecx, ecx |
||
1410 | jz .returnall |
||
1411 | |||
1412 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1413 | jz .invalid |
3545 | hidnplayr | 1414 | |
1415 | mov esi, eax |
||
1416 | mov ecx, SOCKETBUFFSIZE/4 |
||
3711 | clevermous | 1417 | rep movsd |
3545 | hidnplayr | 1418 | |
3658 | hidnplayr | 1419 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1420 | ret |
1421 | |||
1422 | .returnall: |
||
1423 | mov ebx, net_sockets |
||
1424 | .next_socket: |
||
1425 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1426 | test ebx, ebx |
||
1427 | jz .done |
||
1428 | mov eax, [ebx + SOCKET.Number] |
||
1429 | stosd |
||
1430 | jmp .next_socket |
||
1431 | .done: |
||
1432 | xor eax, eax |
||
1433 | stosd |
||
3658 | hidnplayr | 1434 | mov dword[esp+32], eax |
1435 | ret |
||
3545 | hidnplayr | 1436 | |
3658 | hidnplayr | 1437 | .invalid: |
1438 | mov dword[esp+32], -1 |
||
1439 | mov dword[esp+28], EINVAL |
||
3545 | hidnplayr | 1440 | ret |
1441 | |||
1442 | |||
1443 | ;----------------------------------------------------------------- |
||
1444 | ; |
||
1445 | ; SOCKET_find_port |
||
1446 | ; |
||
1447 | ; Fills in the local port number for TCP and UDP sockets |
||
1448 | ; This procedure always works because the number of sockets is |
||
1449 | ; limited to a smaller number then the number of possible ports |
||
1450 | ; |
||
1451 | ; IN: eax = socket pointer |
||
1452 | ; OUT: / |
||
1453 | ; |
||
1454 | ;----------------------------------------------------------------- |
||
1455 | align 4 |
||
1456 | SOCKET_find_port: |
||
1457 | |||
3556 | hidnplayr | 1458 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1459 | |
1460 | push ebx esi ecx |
||
1461 | |||
1462 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1463 | je .udp |
||
1464 | |||
1465 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1466 | je .tcp |
||
1467 | |||
1468 | pop ecx esi ebx |
||
1469 | ret |
||
1470 | |||
1471 | .udp: |
||
1472 | mov bx, [last_UDP_port] |
||
1473 | call .findit |
||
1474 | mov [last_UDP_port], bx |
||
1475 | |||
1476 | pop ecx esi ebx |
||
1477 | ret |
||
1478 | |||
1479 | .tcp: |
||
1480 | mov bx, [last_TCP_port] |
||
1481 | call .findit |
||
1482 | mov [last_TCP_port], bx |
||
1483 | |||
1484 | pop ecx esi ebx |
||
1485 | ret |
||
1486 | |||
1487 | |||
1488 | .restart: |
||
1489 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1490 | .findit: |
||
1491 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1492 | je .restart |
||
1493 | |||
1494 | add bh, 1 |
||
1495 | adc bl, 0 |
||
1496 | |||
1497 | call SOCKET_check_port |
||
1498 | jz .findit |
||
1499 | ret |
||
1500 | |||
1501 | |||
1502 | |||
1503 | ;----------------------------------------------------------------- |
||
1504 | ; |
||
1505 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1506 | ; |
||
1507 | ; Checks if a local port number is unused |
||
1508 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1509 | ; |
||
1510 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1511 | ; bx = proposed socket number (network byte order) |
||
1512 | ; |
||
1513 | ; OUT: ZF = set on error |
||
1514 | ; |
||
1515 | ;----------------------------------------------------------------- |
||
1516 | align 4 |
||
1517 | SOCKET_check_port: |
||
1518 | |||
3556 | hidnplayr | 1519 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1520 | |
3647 | hidnplayr | 1521 | pusha |
1522 | mov ecx, socket_mutex |
||
1523 | call mutex_lock |
||
1524 | popa |
||
1525 | |||
3545 | hidnplayr | 1526 | mov ecx, [eax + SOCKET.Protocol] |
1527 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1528 | mov esi, net_sockets |
||
1529 | |||
1530 | .next_socket: |
||
1531 | mov esi, [esi + SOCKET.NextPtr] |
||
1532 | or esi, esi |
||
1533 | jz .port_ok |
||
1534 | |||
1535 | cmp [esi + SOCKET.Protocol], ecx |
||
1536 | jne .next_socket |
||
1537 | |||
1538 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1539 | jne .next_socket |
||
1540 | |||
1541 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1542 | jne .next_socket |
||
1543 | |||
3647 | hidnplayr | 1544 | pusha |
1545 | mov ecx, socket_mutex |
||
1546 | call mutex_unlock |
||
1547 | popa |
||
1548 | |||
3556 | hidnplayr | 1549 | 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 | 1550 | ret |
1551 | |||
1552 | .port_ok: |
||
3647 | hidnplayr | 1553 | pusha |
1554 | mov ecx, socket_mutex |
||
1555 | call mutex_unlock |
||
1556 | popa |
||
1557 | |||
3556 | hidnplayr | 1558 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1559 | mov [eax + UDP_SOCKET.LocalPort], bx |
1560 | or bx, bx ; clear the zero-flag |
||
1561 | ret |
||
1562 | |||
1563 | |||
1564 | |||
1565 | ;----------------------------------------------------------------- |
||
1566 | ; |
||
1567 | ; SOCKET_input |
||
1568 | ; |
||
1569 | ; Updates a (stateless) socket with received data |
||
1570 | ; |
||
1571 | ; Note: the mutex should already be set ! |
||
1572 | ; |
||
1573 | ; IN: eax = socket ptr |
||
1574 | ; ecx = data size |
||
1575 | ; esi = ptr to data |
||
1576 | ; [esp] = ptr to buf |
||
1577 | ; [esp + 4] = buf size |
||
1578 | ; |
||
1579 | ; OUT: / |
||
1580 | ; |
||
1581 | ;----------------------------------------------------------------- |
||
1582 | align 4 |
||
1583 | SOCKET_input: |
||
1584 | |||
3556 | hidnplayr | 1585 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1586 | |
1587 | mov [esp+4], ecx |
||
1588 | push esi |
||
1589 | mov esi, esp |
||
1590 | |||
1591 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1592 | |||
3556 | hidnplayr | 1593 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1594 | add esp, sizeof.socket_queue_entry |
1595 | |||
1596 | pusha |
||
1597 | lea ecx, [eax + SOCKET.mutex] |
||
1598 | call mutex_unlock |
||
1599 | popa |
||
1600 | |||
1601 | jmp SOCKET_notify |
||
1602 | |||
1603 | .full: |
||
3556 | hidnplayr | 1604 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1605 | |
1606 | pusha |
||
1607 | lea ecx, [eax + SOCKET.mutex] |
||
1608 | call mutex_unlock |
||
1609 | popa |
||
1610 | |||
3861 | hidnplayr | 1611 | call NET_packet_free |
3545 | hidnplayr | 1612 | add esp, 8 |
1613 | |||
1614 | ret |
||
1615 | |||
1616 | |||
1617 | ;-------------------------- |
||
1618 | ; |
||
1619 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1620 | ; |
||
1621 | align 4 |
||
1622 | SOCKET_ring_create: |
||
1623 | |||
1624 | push esi |
||
1625 | mov esi, eax |
||
1626 | |||
1627 | push edx |
||
1628 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1629 | pop edx |
||
1630 | |||
3556 | hidnplayr | 1631 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_created: %x\n", eax |
3545 | hidnplayr | 1632 | |
1633 | pusha |
||
1634 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1635 | call mutex_init |
||
1636 | popa |
||
1637 | |||
1638 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1639 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1640 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1641 | mov [esi + RING_BUFFER.size], 0 |
||
1642 | add eax, SOCKET_MAXDATA |
||
1643 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1644 | mov eax, esi |
||
1645 | pop esi |
||
1646 | |||
1647 | ret |
||
1648 | |||
1649 | ;----------------------------------------------------------------- |
||
1650 | ; |
||
1651 | ; SOCKET_ring_write |
||
1652 | ; |
||
1653 | ; Adds data to a stream socket, and updates write pointer and size |
||
1654 | ; |
||
1655 | ; IN: eax = ptr to ring struct |
||
1656 | ; ecx = data size |
||
1657 | ; esi = ptr to data |
||
1658 | ; |
||
1659 | ; OUT: ecx = number of bytes stored |
||
1660 | ; |
||
1661 | ;----------------------------------------------------------------- |
||
1662 | align 4 |
||
1663 | SOCKET_ring_write: |
||
1664 | |||
3556 | hidnplayr | 1665 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1666 | |
1667 | ; lock mutex |
||
1668 | pusha |
||
1669 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1670 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1671 | popa |
||
1672 | |||
1673 | ; calculate available size |
||
1674 | mov edi, SOCKET_MAXDATA |
||
1675 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1676 | cmp ecx, edi |
||
1677 | jbe .copy |
||
1678 | mov ecx, edi |
||
1679 | .copy: |
||
1680 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1681 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1682 | |
1683 | ; update write ptr |
||
1684 | push edi |
||
1685 | add edi, ecx |
||
1686 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1687 | jb @f |
||
1688 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1689 | @@: |
||
1690 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1691 | pop edi |
||
1692 | |||
1693 | ; update size |
||
1694 | add [eax + RING_BUFFER.size], ecx |
||
1695 | |||
1696 | ; copy the data |
||
1697 | push ecx |
||
1698 | shr ecx, 1 |
||
1699 | jnc .nb |
||
1700 | movsb |
||
1701 | .nb: |
||
1702 | shr ecx, 1 |
||
1703 | jnc .nw |
||
1704 | movsw |
||
1705 | .nw: |
||
1706 | test ecx, ecx |
||
1707 | jz .nd |
||
3711 | clevermous | 1708 | rep movsd |
3545 | hidnplayr | 1709 | .nd: |
1710 | pop ecx |
||
1711 | |||
1712 | ; unlock mutex |
||
1713 | push eax ecx |
||
1714 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1715 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1716 | pop ecx eax |
||
1717 | |||
1718 | ret |
||
1719 | |||
1720 | ;----------------------------------------------------------------- |
||
1721 | ; |
||
1722 | ; SOCKET_ring_read |
||
1723 | ; |
||
1724 | ; IN: eax = ring struct ptr |
||
1725 | ; ecx = bytes to read |
||
1726 | ; edx = offset |
||
1727 | ; edi = ptr to buffer start |
||
1728 | ; |
||
1729 | ; OUT: eax = unchanged |
||
1730 | ; ecx = number of bytes read (0 on error) |
||
1731 | ; edx = destroyed |
||
1732 | ; esi = destroyed |
||
1733 | ; edi = ptr to buffer end |
||
1734 | ; |
||
1735 | ;----------------------------------------------------------------- |
||
1736 | align 4 |
||
1737 | SOCKET_ring_read: |
||
1738 | |||
3556 | hidnplayr | 1739 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1740 | |
1741 | pusha |
||
1742 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1743 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1744 | popa |
||
1745 | |||
1746 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1747 | add esi, edx ; esi = start_ptr + offset |
||
1748 | |||
1749 | neg edx |
||
1750 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1751 | jle .no_data_at_all |
||
1752 | |||
1753 | pusha |
||
1754 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1755 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1756 | popa |
||
1757 | |||
1758 | cmp ecx, edx |
||
1759 | ja .less_data |
||
1760 | |||
1761 | .copy: |
||
3556 | hidnplayr | 1762 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1763 | push ecx |
1764 | shr ecx, 1 |
||
1765 | jnc .nb |
||
1766 | movsb |
||
1767 | .nb: |
||
1768 | shr ecx, 1 |
||
1769 | jnc .nw |
||
1770 | movsw |
||
1771 | .nw: |
||
1772 | test ecx, ecx |
||
1773 | jz .nd |
||
3711 | clevermous | 1774 | rep movsd |
3545 | hidnplayr | 1775 | .nd: |
1776 | pop ecx |
||
1777 | ret |
||
1778 | |||
1779 | .no_data_at_all: |
||
1780 | pusha |
||
1781 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1782 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1783 | popa |
||
1784 | |||
3556 | hidnplayr | 1785 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1786 | xor ecx, ecx |
1787 | ret |
||
1788 | |||
1789 | .less_data: |
||
1790 | mov ecx, edx |
||
1791 | jmp .copy |
||
1792 | |||
1793 | |||
1794 | ;----------------------------------------------------------------- |
||
1795 | ; |
||
1796 | ; SOCKET_ring_free |
||
1797 | ; |
||
1798 | ; Free's some bytes from the ringbuffer |
||
1799 | ; |
||
1800 | ; IN: eax = ptr to ring struct |
||
1801 | ; ecx = data size |
||
1802 | ; |
||
1803 | ; OUT: ecx = number of bytes free-ed |
||
1804 | ; |
||
1805 | ;----------------------------------------------------------------- |
||
1806 | align 4 |
||
1807 | SOCKET_ring_free: |
||
1808 | |||
3556 | hidnplayr | 1809 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1810 | |
1811 | push eax ecx |
||
1812 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1813 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1814 | pop ecx eax |
||
1815 | |||
1816 | sub [eax + RING_BUFFER.size], ecx |
||
1817 | jb .error |
||
1818 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1819 | |||
1820 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1821 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1822 | jb @f |
||
1823 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1824 | @@: |
||
1825 | |||
1826 | push eax ecx |
||
1827 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1828 | call mutex_unlock |
||
1829 | pop ecx eax |
||
1830 | |||
1831 | ret |
||
1832 | |||
1833 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1834 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1835 | add [eax + RING_BUFFER.size], ecx |
1836 | |||
1837 | push eax |
||
1838 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1839 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1840 | pop eax |
||
1841 | |||
1842 | xor ecx, ecx |
||
1843 | ret |
||
1844 | |||
1845 | |||
1846 | ;----------------------------------------------------------------- |
||
1847 | ; |
||
1848 | ; SOCKET_block |
||
1849 | ; |
||
1850 | ; Suspends the thread attached to a socket |
||
1851 | ; |
||
1852 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1853 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1854 | ; |
1855 | ;----------------------------------------------------------------- |
||
1856 | align 4 |
||
1857 | SOCKET_block: |
||
1858 | |||
3556 | hidnplayr | 1859 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1860 | |
1861 | pushf |
||
3674 | hidnplayr | 1862 | push eax |
3545 | hidnplayr | 1863 | cli |
1864 | |||
1865 | ; Set the 'socket is blocked' flag |
||
1866 | or [eax + SOCKET.state], SS_BLOCKED |
||
1867 | |||
1868 | ; Suspend the thread |
||
1869 | push edx |
||
1870 | mov edx, [TASK_BASE] |
||
1871 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1872 | |||
1873 | ; Remember the thread ID so we can wake it up again |
||
1874 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1875 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1876 | mov [eax + SOCKET.TID], edx |
1877 | pop edx |
||
1878 | |||
1879 | call change_task |
||
3674 | hidnplayr | 1880 | pop eax |
3545 | hidnplayr | 1881 | popf |
1882 | |||
3556 | hidnplayr | 1883 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n" |
3545 | hidnplayr | 1884 | |
1885 | ret |
||
1886 | |||
1887 | |||
1888 | ;----------------------------------------------------------------- |
||
1889 | ; |
||
1890 | ; SOCKET_notify |
||
1891 | ; |
||
1892 | ; notify's the owner of a socket that something happened |
||
1893 | ; |
||
1894 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1895 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1896 | ; |
1897 | ;----------------------------------------------------------------- |
||
1898 | align 4 |
||
1899 | SOCKET_notify: |
||
1900 | |||
3556 | hidnplayr | 1901 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1902 | |
1903 | call SOCKET_check |
||
1904 | jz .error |
||
1905 | |||
1906 | test [eax + SOCKET.state], SS_BLOCKED |
||
1907 | jnz .unblock |
||
1908 | |||
3704 | hidnplayr | 1909 | ; test [eax + SOCKET.options], SO_NONBLOCK |
1910 | ; jz .error |
||
3545 | hidnplayr | 1911 | |
1912 | push eax ecx esi |
||
1913 | |||
1914 | ; socket exists and is of non blocking type. |
||
1915 | ; We'll try to flag an event to the thread |
||
1916 | |||
1917 | mov eax, [eax + SOCKET.TID] |
||
1918 | test eax, eax |
||
1919 | jz .done |
||
1920 | mov ecx, 1 |
||
1921 | mov esi, TASK_DATA + TASKDATA.pid |
||
1922 | |||
1923 | .next_pid: |
||
1924 | cmp [esi], eax |
||
1925 | je .found_pid |
||
1926 | inc ecx |
||
1927 | add esi, 0x20 |
||
1928 | cmp ecx, [TASK_COUNT] |
||
1929 | jbe .next_pid |
||
1930 | ; PID not found, TODO: close socket! |
||
1931 | jmp .done |
||
1932 | |||
1933 | .found_pid: |
||
1934 | shl ecx, 8 |
||
1935 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1936 | |||
3817 | hidnplayr | 1937 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", eax |
3545 | hidnplayr | 1938 | jmp .done |
1939 | |||
1940 | .unblock: |
||
1941 | push eax ecx esi |
||
1942 | ; Clear the 'socket is blocked' flag |
||
1943 | and [eax + SOCKET.state], not SS_BLOCKED |
||
1944 | |||
1945 | ; Find the thread's TASK_DATA |
||
1946 | mov eax, [eax + SOCKET.TID] |
||
1947 | test eax, eax |
||
1948 | jz .error |
||
1949 | xor ecx, ecx |
||
1950 | inc ecx |
||
1951 | mov esi, TASK_DATA |
||
1952 | .next: |
||
1953 | cmp [esi + TASKDATA.pid], eax |
||
1954 | je .found |
||
1955 | inc ecx |
||
1956 | add esi, 0x20 |
||
1957 | cmp ecx, [TASK_COUNT] |
||
1958 | jbe .next |
||
1959 | jmp .error |
||
1960 | .found: |
||
1961 | |||
1962 | ; Run the thread |
||
1963 | mov [esi + TASKDATA.state], 0 ; Running |
||
3556 | hidnplayr | 1964 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
3545 | hidnplayr | 1965 | |
1966 | .done: |
||
1967 | pop esi ecx eax |
||
1968 | |||
1969 | .error: |
||
1970 | ret |
||
1971 | |||
1972 | |||
1973 | ;-------------------------------------------------------------------- |
||
1974 | ; |
||
1975 | ; SOCKET_alloc |
||
1976 | ; |
||
1977 | ; Allocate memory for socket data and put new socket into the list |
||
1978 | ; Newly created socket is initialized with calling PID and number and |
||
1979 | ; put into beginning of list (which is a fastest way). |
||
1980 | ; |
||
1981 | ; IN: / |
||
1982 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1983 | ; edi = socket number |
||
1984 | ; ZF = cleared on error |
||
1985 | ; |
||
1986 | ;-------------------------------------------------------------------- |
||
1987 | align 4 |
||
1988 | SOCKET_alloc: |
||
1989 | |||
1990 | push ebx |
||
1991 | |||
1992 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
3556 | hidnplayr | 1993 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1994 | or eax, eax |
1995 | jz .exit |
||
1996 | |||
1997 | ; zero-initialize allocated memory |
||
1998 | push eax |
||
1999 | mov edi, eax |
||
2000 | mov ecx, SOCKETBUFFSIZE / 4 |
||
2001 | xor eax, eax |
||
3711 | clevermous | 2002 | rep stosd |
3545 | hidnplayr | 2003 | pop eax |
2004 | |||
2005 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 2006 | mov [eax + SOCKET.snd_proc], .not_yet |
2007 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 2008 | |
3647 | hidnplayr | 2009 | pusha |
2010 | mov ecx, socket_mutex |
||
2011 | call mutex_lock |
||
2012 | popa |
||
2013 | |||
3545 | hidnplayr | 2014 | ; find first free socket number and use it |
2015 | mov edi, [last_socket_num] |
||
2016 | .next_socket_number: |
||
2017 | inc edi |
||
2018 | jz .next_socket_number ; avoid socket nr 0 |
||
2019 | cmp edi, -1 |
||
2020 | je .next_socket_number ; avoid socket nr -1 |
||
2021 | mov ebx, net_sockets |
||
2022 | .next_socket: |
||
2023 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2024 | test ebx, ebx |
||
2025 | jz .last_socket |
||
2026 | |||
2027 | cmp [ebx + SOCKET.Number], edi |
||
2028 | jne .next_socket |
||
2029 | jmp .next_socket_number |
||
2030 | |||
2031 | .last_socket: |
||
2032 | mov [last_socket_num], edi |
||
2033 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 2034 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 2035 | |
2036 | ; Fill in PID |
||
2037 | mov ebx, [TASK_BASE] |
||
2038 | mov ebx, [ebx + TASKDATA.pid] |
||
2039 | mov [eax + SOCKET.PID], ebx |
||
2040 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
2041 | |||
2042 | ; init mutex |
||
2043 | pusha |
||
2044 | lea ecx, [eax + SOCKET.mutex] |
||
2045 | call mutex_init |
||
2046 | popa |
||
2047 | |||
2048 | ; add socket to the list by re-arranging some pointers |
||
2049 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2050 | |||
2051 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2052 | mov [eax + SOCKET.NextPtr], ebx |
||
2053 | |||
2054 | test ebx, ebx |
||
2055 | jz @f |
||
2056 | |||
2057 | pusha |
||
2058 | lea ecx, [ebx + SOCKET.mutex] |
||
2059 | call mutex_lock |
||
2060 | popa |
||
2061 | |||
2062 | mov [ebx + SOCKET.PrevPtr], eax |
||
2063 | |||
2064 | pusha |
||
2065 | lea ecx, [ebx + SOCKET.mutex] |
||
2066 | call mutex_unlock |
||
2067 | popa |
||
2068 | @@: |
||
2069 | |||
2070 | mov [net_sockets + SOCKET.NextPtr], eax |
||
2071 | or eax, eax ; used to clear zero flag |
||
3647 | hidnplayr | 2072 | |
2073 | pusha |
||
2074 | mov ecx, socket_mutex |
||
2075 | call mutex_unlock |
||
2076 | popa |
||
2077 | |||
3545 | hidnplayr | 2078 | .exit: |
2079 | pop ebx |
||
2080 | |||
2081 | ret |
||
2082 | |||
3658 | hidnplayr | 2083 | .not_yet: |
3673 | hidnplayr | 2084 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2085 | mov dword[esp+32], -1 |
2086 | ret |
||
3545 | hidnplayr | 2087 | |
3658 | hidnplayr | 2088 | |
3545 | hidnplayr | 2089 | ;---------------------------------------------------- |
2090 | ; |
||
2091 | ; SOCKET_free |
||
2092 | ; |
||
2093 | ; Free socket data memory and remove socket from the list |
||
3884 | hidnplayr | 2094 | ; Caller should lock and unlock socket_mutex |
3545 | hidnplayr | 2095 | ; |
2096 | ; IN: eax = socket ptr |
||
2097 | ; OUT: / |
||
2098 | ; |
||
2099 | ;---------------------------------------------------- |
||
2100 | align 4 |
||
2101 | SOCKET_free: |
||
2102 | |||
3556 | hidnplayr | 2103 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2104 | |
2105 | call SOCKET_check |
||
2106 | jz .error |
||
2107 | |||
2108 | push ebx |
||
2109 | |||
2110 | pusha |
||
2111 | lea ecx, [eax + SOCKET.mutex] |
||
2112 | call mutex_lock |
||
2113 | popa |
||
2114 | |||
2115 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
2116 | jnz .no_tcp |
||
2117 | |||
2118 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2119 | jnz .no_tcp |
||
2120 | |||
2121 | mov ebx, eax |
||
2122 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
2123 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2124 | mov eax, ebx |
||
2125 | .no_tcp: |
||
2126 | |||
3652 | hidnplayr | 2127 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2128 | push eax ; this will be passed to kernel_free |
2129 | mov ebx, [eax + SOCKET.NextPtr] |
||
2130 | mov eax, [eax + SOCKET.PrevPtr] |
||
2131 | |||
3556 | hidnplayr | 2132 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2133 | |
2134 | test eax, eax |
||
2135 | jz @f |
||
2136 | mov [eax + SOCKET.NextPtr], ebx |
||
2137 | @@: |
||
2138 | |||
2139 | test ebx, ebx |
||
2140 | jz @f |
||
2141 | mov [ebx + SOCKET.PrevPtr], eax |
||
2142 | @@: |
||
2143 | |||
2144 | call kernel_free |
||
2145 | pop ebx |
||
2146 | |||
3652 | hidnplayr | 2147 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2148 | |||
2149 | .error: |
||
3545 | hidnplayr | 2150 | ret |
2151 | |||
2152 | ;------------------------------------ |
||
2153 | ; |
||
2154 | ; SOCKET_fork |
||
2155 | ; |
||
2156 | ; Create a child socket |
||
2157 | ; |
||
2158 | ; IN: socket nr in ebx |
||
2159 | ; OUT: child socket nr in eax |
||
2160 | ; |
||
2161 | ;----------------------------------- |
||
2162 | align 4 |
||
2163 | SOCKET_fork: |
||
2164 | |||
3556 | hidnplayr | 2165 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2166 | |
2167 | ; Exit if backlog queue is full |
||
2168 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2169 | cmp ax, [ebx + SOCKET.backlog] |
||
2170 | jae .fail |
||
2171 | |||
2172 | ; Allocate new socket |
||
2173 | push ebx |
||
2174 | call SOCKET_alloc |
||
2175 | pop ebx |
||
2176 | jz .fail |
||
2177 | |||
2178 | push eax |
||
2179 | mov esi, esp |
||
2180 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2181 | pop eax |
||
2182 | |||
2183 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2184 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2185 | ; TID will be filled in later |
||
3545 | hidnplayr | 2186 | lea esi, [ebx + SOCKET.PID] |
2187 | lea edi, [eax + SOCKET.PID] |
||
2188 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2189 | rep movsd |
3545 | hidnplayr | 2190 | |
2191 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2192 | |||
3817 | hidnplayr | 2193 | ; Notify owner of parent socket |
2194 | push eax |
||
2195 | mov eax, ebx |
||
2196 | call SOCKET_notify |
||
2197 | pop eax |
||
2198 | |||
3545 | hidnplayr | 2199 | ret |
2200 | |||
2201 | .fail2: |
||
2202 | add esp, 4+4+4 |
||
2203 | .fail: |
||
3556 | hidnplayr | 2204 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2205 | xor eax, eax |
2206 | ret |
||
2207 | |||
2208 | |||
2209 | ;--------------------------------------------------- |
||
2210 | ; |
||
2211 | ; SOCKET_num_to_ptr |
||
2212 | ; |
||
2213 | ; Get socket structure address by its number |
||
2214 | ; |
||
2215 | ; IN: ecx = socket number |
||
2216 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2217 | ; ZF = set on error |
||
2218 | ; |
||
2219 | ;--------------------------------------------------- |
||
2220 | align 4 |
||
2221 | SOCKET_num_to_ptr: |
||
2222 | |||
3556 | hidnplayr | 2223 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2224 | |
3647 | hidnplayr | 2225 | pusha |
2226 | mov ecx, socket_mutex |
||
2227 | call mutex_lock |
||
2228 | popa |
||
2229 | |||
3545 | hidnplayr | 2230 | mov eax, net_sockets |
2231 | |||
2232 | .next_socket: |
||
2233 | mov eax, [eax + SOCKET.NextPtr] |
||
2234 | or eax, eax |
||
2235 | jz .error |
||
2236 | cmp [eax + SOCKET.Number], ecx |
||
2237 | jne .next_socket |
||
2238 | |||
2239 | test eax, eax |
||
2240 | |||
3647 | hidnplayr | 2241 | pusha |
2242 | mov ecx, socket_mutex |
||
2243 | call mutex_unlock |
||
2244 | popa |
||
2245 | |||
3556 | hidnplayr | 2246 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2247 | ret |
2248 | |||
2249 | .error: |
||
3647 | hidnplayr | 2250 | pusha |
2251 | mov ecx, socket_mutex |
||
2252 | call mutex_unlock |
||
2253 | popa |
||
2254 | |||
3637 | hidnplayr | 2255 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: not found\n", eax |
3545 | hidnplayr | 2256 | ret |
2257 | |||
2258 | |||
2259 | ;--------------------------------------------------- |
||
2260 | ; |
||
2261 | ; SOCKET_ptr_to_num |
||
2262 | ; |
||
2263 | ; Get socket number by its address |
||
2264 | ; |
||
2265 | ; IN: eax = socket ptr |
||
2266 | ; OUT: eax = 0 on error, socket num otherwise |
||
2267 | ; ZF = set on error |
||
2268 | ; |
||
2269 | ;--------------------------------------------------- |
||
2270 | align 4 |
||
2271 | SOCKET_ptr_to_num: |
||
2272 | |||
3556 | hidnplayr | 2273 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2274 | |
2275 | call SOCKET_check |
||
2276 | jz .error |
||
2277 | |||
2278 | mov eax, [eax + SOCKET.Number] |
||
2279 | |||
3556 | hidnplayr | 2280 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2281 | ret |
2282 | |||
2283 | .error: |
||
3556 | hidnplayr | 2284 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2285 | ret |
2286 | |||
2287 | |||
2288 | ;--------------------------------------------------- |
||
2289 | ; |
||
2290 | ; SOCKET_check |
||
2291 | ; |
||
2292 | ; checks if the given value is really a socket ptr |
||
2293 | ; |
||
2294 | ; IN: eax = socket ptr |
||
2295 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2296 | ; ZF = set on error |
||
2297 | ; |
||
2298 | ;--------------------------------------------------- |
||
2299 | align 4 |
||
2300 | SOCKET_check: |
||
2301 | |||
3556 | hidnplayr | 2302 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2303 | |
2304 | push ebx |
||
2305 | mov ebx, net_sockets |
||
2306 | |||
2307 | .next_socket: |
||
2308 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2309 | or ebx, ebx |
||
2310 | jz .done |
||
2311 | cmp ebx, eax |
||
2312 | jnz .next_socket |
||
2313 | |||
2314 | .done: |
||
2315 | mov eax, ebx |
||
2316 | test eax, eax |
||
2317 | pop ebx |
||
2318 | |||
2319 | ret |
||
2320 | |||
2321 | |||
2322 | |||
2323 | ;--------------------------------------------------- |
||
2324 | ; |
||
2325 | ; SOCKET_check_owner |
||
2326 | ; |
||
2327 | ; checks if the caller application owns the socket |
||
2328 | ; |
||
2329 | ; IN: eax = socket ptr |
||
2330 | ; OUT: ZF = true/false |
||
2331 | ; |
||
2332 | ;--------------------------------------------------- |
||
2333 | align 4 |
||
2334 | SOCKET_check_owner: |
||
2335 | |||
3556 | hidnplayr | 2336 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2337 | |
2338 | push ebx |
||
2339 | mov ebx, [TASK_BASE] |
||
2340 | mov ebx, [ebx + TASKDATA.pid] |
||
2341 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2342 | pop ebx |
3545 | hidnplayr | 2343 | |
2344 | ret |
||
2345 | |||
2346 | |||
2347 | |||
2348 | |||
2349 | ;------------------------------------------------------ |
||
2350 | ; |
||
2351 | ; SOCKET_process_end |
||
2352 | ; |
||
2353 | ; Kernel calls this function when a certain process ends |
||
2354 | ; This function will check if the process had any open sockets |
||
2355 | ; And update them accordingly |
||
2356 | ; |
||
2357 | ; IN: edx = pid |
||
2358 | ; OUT: / |
||
2359 | ; |
||
2360 | ;------------------------------------------------------ |
||
2361 | align 4 |
||
2362 | SOCKET_process_end: |
||
2363 | |||
3556 | hidnplayr | 2364 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2365 | |
3647 | hidnplayr | 2366 | pusha |
2367 | mov ecx, socket_mutex |
||
2368 | call mutex_lock |
||
2369 | popa |
||
2370 | |||
3545 | hidnplayr | 2371 | push ebx |
2372 | mov ebx, net_sockets |
||
2373 | |||
2374 | .next_socket: |
||
2375 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2376 | .next_socket_test: |
||
2377 | test ebx, ebx |
||
2378 | jz .done |
||
2379 | |||
2380 | cmp [ebx + SOCKET.PID], edx |
||
2381 | jne .next_socket |
||
2382 | |||
3556 | hidnplayr | 2383 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2384 | |
2385 | mov [ebx + SOCKET.PID], 0 |
||
2386 | mov eax, ebx |
||
2387 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2388 | |
3545 | hidnplayr | 2389 | pusha |
3652 | hidnplayr | 2390 | cmp [eax + SOCKET.Domain], AF_INET4 |
2391 | jne .free |
||
2392 | |||
2393 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2394 | jne .free |
||
2395 | |||
2396 | call TCP_close |
||
2397 | jmp .closed |
||
2398 | |||
2399 | .free: |
||
2400 | call SOCKET_free |
||
2401 | |||
2402 | .closed: |
||
3545 | hidnplayr | 2403 | popa |
2404 | jmp .next_socket_test |
||
2405 | |||
2406 | .done: |
||
2407 | pop ebx |
||
2408 | |||
3647 | hidnplayr | 2409 | pusha |
2410 | mov ecx, socket_mutex |
||
2411 | call mutex_unlock |
||
2412 | popa |
||
2413 | |||
3545 | hidnplayr | 2414 | ret |
2415 | |||
2416 | |||
2417 | |||
2418 | |||
2419 | ;----------------------------------------------------------------- |
||
2420 | ; |
||
2421 | ; SOCKET_is_connecting |
||
2422 | ; |
||
2423 | ; IN: eax = socket ptr |
||
2424 | ; OUT: / |
||
2425 | ; |
||
2426 | ;----------------------------------------------------------------- |
||
2427 | |||
2428 | align 4 |
||
2429 | SOCKET_is_connecting: |
||
2430 | |||
3556 | hidnplayr | 2431 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2432 | |
4025 | hidnplayr | 2433 | and [eax + SOCKET.state], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2434 | or [eax + SOCKET.state], SS_ISCONNECTING |
||
3545 | hidnplayr | 2435 | |
4025 | hidnplayr | 2436 | ret |
3545 | hidnplayr | 2437 | |
2438 | |||
2439 | |||
2440 | ;----------------------------------------------------------------- |
||
2441 | ; |
||
2442 | ; SOCKET_is_connected |
||
2443 | ; |
||
2444 | ; IN: eax = socket ptr |
||
2445 | ; OUT: / |
||
2446 | ; |
||
2447 | ;----------------------------------------------------------------- |
||
2448 | |||
2449 | align 4 |
||
2450 | SOCKET_is_connected: |
||
2451 | |||
3556 | hidnplayr | 2452 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2453 | |
3674 | hidnplayr | 2454 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2455 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
3545 | hidnplayr | 2456 | |
2457 | jmp SOCKET_notify |
||
2458 | |||
2459 | |||
2460 | |||
2461 | |||
2462 | ;----------------------------------------------------------------- |
||
2463 | ; |
||
2464 | ; SOCKET_is_disconnecting |
||
2465 | ; |
||
2466 | ; IN: eax = socket ptr |
||
2467 | ; OUT: / |
||
2468 | ; |
||
2469 | ;----------------------------------------------------------------- |
||
2470 | |||
2471 | align 4 |
||
2472 | SOCKET_is_disconnecting: |
||
2473 | |||
3556 | hidnplayr | 2474 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2475 | |
3674 | hidnplayr | 2476 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2477 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2478 | |
2479 | jmp SOCKET_notify |
||
2480 | |||
2481 | |||
2482 | |||
2483 | ;----------------------------------------------------------------- |
||
2484 | ; |
||
2485 | ; SOCKET_is_disconnected |
||
2486 | ; |
||
2487 | ; IN: eax = socket ptr |
||
2488 | ; OUT: / |
||
2489 | ; |
||
2490 | ;----------------------------------------------------------------- |
||
2491 | |||
2492 | align 4 |
||
2493 | SOCKET_is_disconnected: |
||
2494 | |||
3556 | hidnplayr | 2495 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2496 | |
3674 | hidnplayr | 2497 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2498 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2499 | |
2500 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2501 | je .tcp |
||
2502 | |||
2503 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
2504 | je .udp |
||
2505 | |||
2506 | jmp SOCKET_notify |
||
2507 | |||
2508 | .tcp: |
||
2509 | .udp: |
||
2510 | mov [eax + UDP_SOCKET.LocalPort], 0 ; UDP and TCP structs store localport at the same offset |
||
2511 | mov [eax + UDP_SOCKET.RemotePort], 0 |
||
2512 | |||
2513 | jmp SOCKET_notify |
||
2514 | |||
2515 | |||
2516 | ;----------------------------------------------------------------- |
||
2517 | ; |
||
2518 | ; SOCKET_cant_recv_more |
||
2519 | ; |
||
2520 | ; IN: eax = socket ptr |
||
2521 | ; OUT: / |
||
2522 | ; |
||
2523 | ;----------------------------------------------------------------- |
||
2524 | |||
2525 | align 4 |
||
2526 | SOCKET_cant_recv_more: |
||
2527 | |||
3556 | hidnplayr | 2528 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2529 | |
3674 | hidnplayr | 2530 | or [eax + SOCKET.state], SS_CANTRCVMORE |
3545 | hidnplayr | 2531 | |
3565 | hidnplayr | 2532 | call SOCKET_notify |
2533 | |||
3545 | hidnplayr | 2534 | ret |
2535 | |||
2536 | |||
2537 | |||
2538 | ;----------------------------------------------------------------- |
||
2539 | ; |
||
2540 | ; SOCKET_cant_send_more |
||
2541 | ; |
||
2542 | ; IN: eax = socket ptr |
||
2543 | ; OUT: / |
||
2544 | ; |
||
2545 | ;----------------------------------------------------------------- |
||
2546 | |||
2547 | align 4 |
||
2548 | SOCKET_cant_send_more: |
||
2549 | |||
3556 | hidnplayr | 2550 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2551 | |
3674 | hidnplayr | 2552 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2553 | mov [eax + SOCKET.snd_proc], .notconn |
3545 | hidnplayr | 2554 | |
3565 | hidnplayr | 2555 | call SOCKET_notify |
2556 | |||
3658 | hidnplayr | 2557 | ret |
2558 | |||
2559 | .notconn: |
||
3673 | hidnplayr | 2560 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2561 | mov dword[esp+32], -1 |
3545 | hidnplayr | 2562 | ret |