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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: |
||
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 |
||
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 |
||
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 | ;----------------------------------------------------------------- |
||
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 | ;----------------------------------------------------------------- |
||
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 | |
501 | cmp word [edx], AF_INET4 |
||
502 | je .af_inet4 |
||
503 | |||
3658 | hidnplayr | 504 | .notsupp: |
3673 | hidnplayr | 505 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 506 | mov dword[esp+32], -1 |
507 | ret |
||
3545 | hidnplayr | 508 | |
3658 | hidnplayr | 509 | .invalid: |
3673 | hidnplayr | 510 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 511 | mov dword[esp+32], -1 |
512 | ret |
||
513 | |||
3545 | hidnplayr | 514 | .af_inet4: |
515 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
516 | jne @f |
||
3601 | hidnplayr | 517 | push [IP_LIST + 4] ; FIXME !i!i!i! |
3545 | hidnplayr | 518 | pop [eax + IP_SOCKET.LocalIP] |
519 | @@: |
||
520 | |||
521 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
522 | je .udp |
||
523 | |||
524 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
525 | je .tcp |
||
526 | |||
527 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
||
528 | je .ip |
||
529 | |||
530 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
||
531 | je .ip |
||
532 | |||
3658 | hidnplayr | 533 | jmp .notsupp |
3545 | hidnplayr | 534 | |
535 | align 4 |
||
536 | .udp: |
||
537 | pusha |
||
538 | lea ecx, [eax + SOCKET.mutex] |
||
539 | call mutex_lock |
||
540 | popa |
||
541 | |||
542 | pushw [edx + 2] |
||
543 | pop [eax + UDP_SOCKET.RemotePort] |
||
544 | |||
545 | pushd [edx + 4] |
||
546 | pop [eax + IP_SOCKET.RemoteIP] |
||
547 | |||
548 | cmp [eax + UDP_SOCKET.LocalPort], 0 |
||
549 | jne @f |
||
550 | call SOCKET_find_port |
||
551 | @@: |
||
552 | |||
553 | mov [eax + UDP_SOCKET.firstpacket], 0 |
||
554 | |||
555 | push eax |
||
556 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
557 | pop eax |
||
558 | |||
559 | lea ecx, [eax + SOCKET.mutex] |
||
560 | call mutex_unlock |
||
561 | |||
3658 | hidnplayr | 562 | mov dword[esp+32], 0 |
3545 | hidnplayr | 563 | ret |
564 | |||
565 | align 4 |
||
566 | .tcp: |
||
567 | pusha |
||
568 | lea ecx, [eax + SOCKET.mutex] |
||
569 | call mutex_lock |
||
570 | popa |
||
571 | |||
572 | pushw [edx + 2] |
||
573 | pop [eax + TCP_SOCKET.RemotePort] |
||
574 | |||
575 | pushd [edx + 4] |
||
576 | pop [eax + IP_SOCKET.RemoteIP] |
||
577 | |||
578 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
579 | jne @f |
||
580 | call SOCKET_find_port |
||
581 | @@: |
||
582 | |||
583 | mov [eax + TCP_SOCKET.timer_persist], 0 |
||
584 | mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT |
||
585 | |||
586 | push [TCP_sequence_num] |
||
587 | add [TCP_sequence_num], 6400 |
||
588 | pop [eax + TCP_SOCKET.ISS] |
||
589 | mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init |
||
590 | |||
591 | TCP_sendseqinit eax |
||
592 | ; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer |
||
593 | |||
594 | mov ebx, eax |
||
595 | lea eax, [ebx + STREAM_SOCKET.snd] |
||
3658 | hidnplayr | 596 | call SOCKET_ring_create ; TODO: check if memory was available or not |
3545 | hidnplayr | 597 | |
598 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
3658 | hidnplayr | 599 | call SOCKET_ring_create ; TODO: same here |
3545 | hidnplayr | 600 | |
601 | pusha |
||
602 | lea ecx, [ebx + SOCKET.mutex] |
||
603 | call mutex_unlock |
||
604 | popa |
||
605 | |||
3674 | hidnplayr | 606 | push ebx |
3545 | hidnplayr | 607 | mov eax, ebx |
608 | call TCP_output |
||
3674 | hidnplayr | 609 | pop eax |
3545 | hidnplayr | 610 | |
3674 | hidnplayr | 611 | .block: |
612 | test [eax + SOCKET.options], SO_NONBLOCK |
||
4020 | hidnplayr | 613 | jz .waitforit |
3545 | hidnplayr | 614 | |
3674 | hidnplayr | 615 | mov dword[esp+20], EWOULDBLOCK |
3704 | hidnplayr | 616 | mov dword[esp+32], -1 |
3674 | hidnplayr | 617 | ret |
618 | |||
4020 | hidnplayr | 619 | .waitforit: |
620 | push eax |
||
4021 | hidnplayr | 621 | stdcall timer_hs, 300, 0, .timeout, eax ; FIXME: make timeout a constant |
622 | pop ebx |
||
623 | mov [ebx + TCP_SOCKET.timer_connect], eax |
||
624 | mov eax, ebx |
||
4020 | hidnplayr | 625 | |
3674 | hidnplayr | 626 | .loop: |
4020 | hidnplayr | 627 | cmp [eax + SOCKET.errorcode], 0 |
628 | jne .fail |
||
3698 | hidnplayr | 629 | cmp [eax + TCP_SOCKET.t_state], TCPS_ESTABLISHED |
630 | je .established |
||
3674 | hidnplayr | 631 | |
632 | call SOCKET_block |
||
633 | jmp .loop |
||
634 | |||
4021 | hidnplayr | 635 | .timeout: |
4020 | hidnplayr | 636 | mov eax, [esp+4] |
637 | mov [eax + SOCKET.errorcode], ETIMEDOUT |
||
638 | call SOCKET_notify.unblock |
||
639 | ret 4 |
||
640 | |||
3674 | hidnplayr | 641 | .fail: |
642 | mov eax, [eax + SOCKET.errorcode] |
||
643 | mov [esp+20], eax |
||
644 | mov dword[esp+32], -1 |
||
645 | ret |
||
646 | |||
3698 | hidnplayr | 647 | .established: |
4021 | hidnplayr | 648 | stdcall cancel_timer_hs, [eax + TCP_SOCKET.timer_connect] |
3658 | hidnplayr | 649 | mov dword[esp+32], 0 |
3545 | hidnplayr | 650 | ret |
651 | |||
3674 | hidnplayr | 652 | |
3545 | hidnplayr | 653 | align 4 |
654 | .ip: |
||
655 | pusha |
||
656 | lea ecx, [eax + SOCKET.mutex] |
||
657 | call mutex_lock |
||
658 | popa |
||
659 | |||
660 | pushd [edx + 4] |
||
661 | pop [eax + IP_SOCKET.RemoteIP] |
||
662 | |||
663 | push eax |
||
664 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
665 | pop eax |
||
666 | |||
667 | lea ecx, [eax + SOCKET.mutex] |
||
668 | call mutex_unlock |
||
669 | |||
3658 | hidnplayr | 670 | mov dword[esp+32], 0 |
3545 | hidnplayr | 671 | ret |
672 | |||
673 | |||
674 | ;----------------------------------------------------------------- |
||
675 | ; |
||
676 | ; SOCKET_listen |
||
677 | ; |
||
678 | ; IN: socket number in ecx |
||
679 | ; backlog in edx |
||
680 | ; OUT: eax is socket num, -1 on error |
||
681 | ; |
||
682 | ;----------------------------------------------------------------- |
||
683 | align 4 |
||
684 | SOCKET_listen: |
||
685 | |||
3556 | hidnplayr | 686 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
3545 | hidnplayr | 687 | |
688 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 689 | jz .invalid |
3545 | hidnplayr | 690 | |
691 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 692 | jne .notsupp |
3545 | hidnplayr | 693 | |
694 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 695 | jne .invalid |
3545 | hidnplayr | 696 | |
697 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
||
3658 | hidnplayr | 698 | je .already |
3545 | hidnplayr | 699 | |
700 | cmp [eax + IP_SOCKET.LocalIP], 0 |
||
701 | jne @f |
||
3601 | hidnplayr | 702 | push [IP_LIST + 4] ;;; fixme!!!! |
3545 | hidnplayr | 703 | pop [eax + IP_SOCKET.LocalIP] |
704 | @@: |
||
705 | |||
706 | cmp edx, MAX_backlog |
||
707 | jbe @f |
||
708 | mov edx, MAX_backlog |
||
709 | @@: |
||
710 | |||
711 | mov [eax + SOCKET.backlog], dx |
||
712 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
713 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
714 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
||
715 | |||
716 | push eax |
||
717 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
718 | pop eax |
||
719 | |||
3658 | hidnplayr | 720 | mov dword[esp+32], 0 |
721 | ret |
||
3545 | hidnplayr | 722 | |
3658 | hidnplayr | 723 | .notsupp: |
3673 | hidnplayr | 724 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 725 | mov dword[esp+32], -1 |
3545 | hidnplayr | 726 | ret |
727 | |||
3658 | hidnplayr | 728 | .invalid: |
3673 | hidnplayr | 729 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 730 | mov dword[esp+32], -1 |
731 | ret |
||
3545 | hidnplayr | 732 | |
3658 | hidnplayr | 733 | .already: |
3673 | hidnplayr | 734 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 735 | mov dword[esp+32], -1 |
736 | ret |
||
737 | |||
738 | |||
3545 | hidnplayr | 739 | ;----------------------------------------------------------------- |
740 | ; |
||
741 | ; SOCKET_accept |
||
742 | ; |
||
743 | ; IN: socket number in ecx |
||
744 | ; addr in edx |
||
745 | ; addrlen in esi |
||
746 | ; OUT: eax is socket num, -1 on error |
||
747 | ; |
||
748 | ;----------------------------------------------------------------- |
||
749 | align 4 |
||
750 | SOCKET_accept: |
||
751 | |||
3556 | hidnplayr | 752 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
3545 | hidnplayr | 753 | |
754 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 755 | jz .invalid |
3545 | hidnplayr | 756 | |
757 | test [eax + SOCKET.options], SO_ACCEPTCON |
||
3658 | hidnplayr | 758 | jz .invalid |
3545 | hidnplayr | 759 | |
760 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
3658 | hidnplayr | 761 | jne .notsupp |
3545 | hidnplayr | 762 | |
763 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
3658 | hidnplayr | 764 | jne .invalid |
3545 | hidnplayr | 765 | |
766 | .loop: |
||
767 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .block |
||
768 | |||
769 | ; Ok, we got a socket ptr |
||
770 | mov eax, [esi] |
||
771 | |||
772 | ; Change thread ID to that of the current thread |
||
773 | mov ebx, [TASK_BASE] |
||
774 | mov ebx, [ebx + TASKDATA.pid] |
||
775 | mov [eax + SOCKET.TID], ebx |
||
776 | |||
3817 | hidnplayr | 777 | ; Convert it to a socket number |
778 | call SOCKET_ptr_to_num |
||
779 | jz .invalid ; FIXME ? |
||
780 | |||
3545 | hidnplayr | 781 | ; and return it to caller |
782 | mov [esp+32], eax |
||
783 | ret |
||
784 | |||
785 | .block: |
||
786 | test [eax + SOCKET.options], SO_NONBLOCK |
||
3658 | hidnplayr | 787 | jnz .wouldblock |
3545 | hidnplayr | 788 | |
789 | call SOCKET_block |
||
790 | jmp .loop |
||
791 | |||
3658 | hidnplayr | 792 | .wouldblock: |
3673 | hidnplayr | 793 | mov dword[esp+20], EWOULDBLOCK |
3658 | hidnplayr | 794 | mov dword[esp+32], -1 |
795 | ret |
||
796 | |||
797 | .invalid: |
||
3673 | hidnplayr | 798 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 799 | mov dword[esp+32], -1 |
800 | ret |
||
801 | |||
802 | .notsupp: |
||
3673 | hidnplayr | 803 | mov dword[esp+20], EOPNOTSUPP |
3658 | hidnplayr | 804 | mov dword[esp+32], -1 |
805 | ret |
||
806 | |||
3545 | hidnplayr | 807 | ;----------------------------------------------------------------- |
808 | ; |
||
809 | ; SOCKET_close |
||
810 | ; |
||
811 | ; IN: socket number in ecx |
||
812 | ; OUT: eax is socket num, -1 on error |
||
813 | ; |
||
814 | ;----------------------------------------------------------------- |
||
815 | align 4 |
||
816 | SOCKET_close: |
||
817 | |||
3556 | hidnplayr | 818 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_close: socknum=%u\n", ecx |
3545 | hidnplayr | 819 | |
820 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 821 | jz .invalid |
3545 | hidnplayr | 822 | |
3658 | hidnplayr | 823 | mov dword[esp+32], 0 ; The socket exists, so we will succeed in closing it. |
3545 | hidnplayr | 824 | |
825 | or [eax + SOCKET.options], SO_NONBLOCK ; Mark the socket as non blocking, we dont want it to block any longer! |
||
826 | |||
827 | test [eax + SOCKET.state], SS_BLOCKED ; Is the socket still in blocked state? |
||
828 | jz @f |
||
829 | call SOCKET_notify.unblock ; Unblock it. |
||
830 | @@: |
||
831 | |||
832 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
833 | jne .free |
||
834 | |||
835 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
836 | je .tcp |
||
837 | |||
838 | .free: |
||
839 | call SOCKET_free |
||
840 | ret |
||
841 | |||
842 | .tcp: |
||
843 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
||
844 | jb .free |
||
845 | |||
846 | call TCP_usrclosed |
||
847 | call TCP_output ;;;; Fixme: is this nescessary?? |
||
3646 | hidnplayr | 848 | call SOCKET_free |
3545 | hidnplayr | 849 | |
850 | ret |
||
851 | |||
852 | |||
3658 | hidnplayr | 853 | .invalid: |
3673 | hidnplayr | 854 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 855 | mov dword[esp+32], -1 |
856 | ret |
||
857 | |||
858 | |||
3545 | hidnplayr | 859 | ;----------------------------------------------------------------- |
860 | ; |
||
861 | ; SOCKET_receive |
||
862 | ; |
||
863 | ; IN: socket number in ecx |
||
864 | ; addr to buffer in edx |
||
865 | ; length of buffer in esi |
||
866 | ; flags in edi |
||
867 | ; OUT: eax is number of bytes copied, -1 on error |
||
868 | ; |
||
869 | ;----------------------------------------------------------------- |
||
870 | align 4 |
||
871 | SOCKET_receive: |
||
872 | |||
3556 | hidnplayr | 873 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 874 | |
875 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 876 | jz .invalid |
3545 | hidnplayr | 877 | |
3704 | hidnplayr | 878 | .loop: |
879 | push edi |
||
3565 | hidnplayr | 880 | call [eax + SOCKET.rcv_proc] |
3704 | hidnplayr | 881 | pop edi |
3545 | hidnplayr | 882 | |
3704 | hidnplayr | 883 | cmp ebx, EWOULDBLOCK |
884 | jne .return |
||
885 | |||
886 | test edi, MSG_DONTWAIT |
||
887 | jnz .return_err |
||
888 | |||
3737 | hidnplayr | 889 | test [eax + SOCKET.state], SS_CANTRCVMORE |
890 | jnz .return_err |
||
891 | |||
3704 | hidnplayr | 892 | ; test [eax + SOCKET.options], SO_NONBLOCK |
893 | ; jnz .return_err |
||
894 | |||
895 | call SOCKET_block |
||
896 | jmp .loop |
||
897 | |||
898 | |||
899 | .invalid: |
||
900 | push EINVAL |
||
901 | pop ebx |
||
902 | .return_err: |
||
903 | mov eax, -1 |
||
904 | .return: |
||
3673 | hidnplayr | 905 | mov [esp+20], ebx |
3565 | hidnplayr | 906 | mov [esp+32], eax |
907 | ret |
||
3545 | hidnplayr | 908 | |
3565 | hidnplayr | 909 | |
3658 | hidnplayr | 910 | |
3704 | hidnplayr | 911 | |
912 | |||
3545 | hidnplayr | 913 | align 4 |
914 | SOCKET_receive_dgram: |
||
3704 | hidnplayr | 915 | |
3556 | hidnplayr | 916 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: DGRAM\n" |
3545 | hidnplayr | 917 | |
3704 | hidnplayr | 918 | mov ebx, esi ; bufferlength |
3545 | hidnplayr | 919 | |
3704 | hidnplayr | 920 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, .wouldblock ; sets esi only on success. |
3545 | hidnplayr | 921 | mov ecx, [esi + socket_queue_entry.data_size] |
3556 | hidnplayr | 922 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: %u bytes data\n", ecx |
3545 | hidnplayr | 923 | |
3704 | hidnplayr | 924 | cmp ecx, ebx ; If data segment does not fit in applications buffer, abort |
3545 | hidnplayr | 925 | ja .too_small |
926 | |||
3565 | hidnplayr | 927 | push ecx |
3545 | hidnplayr | 928 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
929 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
3556 | hidnplayr | 930 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
3545 | hidnplayr | 931 | |
3704 | hidnplayr | 932 | ; copy the data from kernel buffer to application buffer |
933 | mov edi, edx ; bufferaddr |
||
3545 | hidnplayr | 934 | shr ecx, 1 |
935 | jnc .nb |
||
936 | movsb |
||
937 | .nb: |
||
938 | shr ecx, 1 |
||
939 | jnc .nw |
||
940 | movsw |
||
941 | .nw: |
||
942 | test ecx, ecx |
||
943 | jz .nd |
||
3711 | clevermous | 944 | rep movsd |
3545 | hidnplayr | 945 | .nd: |
946 | |||
3861 | hidnplayr | 947 | call NET_packet_free |
3704 | hidnplayr | 948 | pop eax ; return number of bytes copied to application |
949 | xor ebx, ebx |
||
3545 | hidnplayr | 950 | ret |
951 | |||
952 | .too_small: |
||
3565 | hidnplayr | 953 | mov eax, -1 |
3704 | hidnplayr | 954 | push EMSGSIZE |
955 | pop ebx |
||
3565 | hidnplayr | 956 | ret |
3545 | hidnplayr | 957 | |
3658 | hidnplayr | 958 | .wouldblock: |
3704 | hidnplayr | 959 | push EWOULDBLOCK |
960 | pop ebx |
||
3658 | hidnplayr | 961 | ret |
3545 | hidnplayr | 962 | |
3658 | hidnplayr | 963 | |
3704 | hidnplayr | 964 | |
3545 | hidnplayr | 965 | align 4 |
966 | SOCKET_receive_local: |
||
967 | |||
968 | ; does this socket have a PID yet? |
||
969 | cmp [eax + SOCKET.PID], 0 |
||
970 | jne @f |
||
971 | |||
972 | ; Change PID to that of current process |
||
973 | mov ebx, [TASK_BASE] |
||
974 | mov ebx, [ebx + TASKDATA.pid] |
||
975 | mov [eax + SOCKET.PID], ebx |
||
3704 | hidnplayr | 976 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
3545 | hidnplayr | 977 | @@: |
978 | |||
979 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_stream |
||
980 | |||
3704 | hidnplayr | 981 | ; ... continue to SOCKET_receive_stream |
982 | |||
3545 | hidnplayr | 983 | align 4 |
984 | SOCKET_receive_stream: |
||
985 | |||
3556 | hidnplayr | 986 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_receive: STREAM\n" |
3545 | hidnplayr | 987 | |
3704 | hidnplayr | 988 | cmp [eax + STREAM_SOCKET.rcv + RING_BUFFER.size], 0 |
989 | je .wouldblock |
||
990 | |||
991 | test edi, MSG_PEEK |
||
992 | jnz .peek |
||
993 | |||
3545 | hidnplayr | 994 | mov ecx, esi |
995 | mov edi, edx |
||
996 | xor edx, edx |
||
997 | |||
998 | add eax, STREAM_SOCKET.rcv |
||
3704 | hidnplayr | 999 | call SOCKET_ring_read ; copy data from kernel buffer to application buffer |
1000 | call SOCKET_ring_free ; free read memory |
||
3545 | hidnplayr | 1001 | |
3704 | hidnplayr | 1002 | mov eax, ecx ; return number of bytes copied |
1003 | xor ebx, ebx ; errorcode = 0 (no error) |
||
3545 | hidnplayr | 1004 | ret |
1005 | |||
3704 | hidnplayr | 1006 | .wouldblock: |
1007 | push EWOULDBLOCK |
||
1008 | pop ebx |
||
1009 | ret |
||
1010 | |||
3545 | hidnplayr | 1011 | .peek: |
3565 | hidnplayr | 1012 | mov eax, [eax + STREAM_SOCKET.rcv + RING_BUFFER.size] |
3704 | hidnplayr | 1013 | xor ebx, ebx |
3545 | hidnplayr | 1014 | ret |
1015 | |||
1016 | |||
1017 | ;----------------------------------------------------------------- |
||
1018 | ; |
||
1019 | ; SOCKET_send |
||
1020 | ; |
||
1021 | ; |
||
1022 | ; IN: socket number in ecx |
||
1023 | ; pointer to data in edx |
||
1024 | ; datalength in esi |
||
1025 | ; flags in edi |
||
1026 | ; OUT: -1 on error |
||
1027 | ; |
||
1028 | ;----------------------------------------------------------------- |
||
1029 | align 4 |
||
1030 | SOCKET_send: |
||
1031 | |||
3556 | hidnplayr | 1032 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
3545 | hidnplayr | 1033 | |
1034 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1035 | jz .invalid |
3545 | hidnplayr | 1036 | |
1037 | mov ecx, esi |
||
1038 | mov esi, edx |
||
1039 | |||
1040 | jmp [eax + SOCKET.snd_proc] |
||
1041 | |||
3658 | hidnplayr | 1042 | .invalid: |
3673 | hidnplayr | 1043 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1044 | mov dword[esp+32], -1 |
1045 | ret |
||
3545 | hidnplayr | 1046 | |
3658 | hidnplayr | 1047 | |
3545 | hidnplayr | 1048 | align 4 |
1049 | SOCKET_send_udp: |
||
1050 | |||
3556 | hidnplayr | 1051 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: UDP\n" |
3545 | hidnplayr | 1052 | |
1053 | mov [esp+32], ecx |
||
1054 | call UDP_output |
||
1055 | cmp eax, -1 |
||
3658 | hidnplayr | 1056 | je .error |
3545 | hidnplayr | 1057 | ret |
1058 | |||
3658 | hidnplayr | 1059 | .error: |
1060 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1061 | mov dword[esp+20], EMSGSIZE ; FIXME: UDP_output should return error codes! |
3658 | hidnplayr | 1062 | ret |
3545 | hidnplayr | 1063 | |
3658 | hidnplayr | 1064 | |
3545 | hidnplayr | 1065 | align 4 |
1066 | SOCKET_send_tcp: |
||
1067 | |||
3556 | hidnplayr | 1068 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: TCP\n" |
3545 | hidnplayr | 1069 | |
1070 | push eax |
||
1071 | add eax, STREAM_SOCKET.snd |
||
1072 | call SOCKET_ring_write |
||
1073 | pop eax |
||
1074 | |||
1075 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1076 | mov [eax + SOCKET.errorcode], 0 |
1077 | push eax |
||
1078 | call TCP_output ; FIXME: this doesnt look pretty, does it? |
||
1079 | pop eax |
||
1080 | mov eax, [eax + SOCKET.errorcode] |
||
3673 | hidnplayr | 1081 | mov [esp+20], eax |
3545 | hidnplayr | 1082 | ret |
1083 | |||
1084 | |||
1085 | align 4 |
||
1086 | SOCKET_send_ip: |
||
1087 | |||
3556 | hidnplayr | 1088 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: IPv4\n" |
3545 | hidnplayr | 1089 | |
1090 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1091 | call IPv4_output_raw ; FIXME: IPv4_output_raw should return error codes! |
3545 | hidnplayr | 1092 | cmp eax, -1 |
3658 | hidnplayr | 1093 | je .error |
3545 | hidnplayr | 1094 | ret |
1095 | |||
3658 | hidnplayr | 1096 | .error: |
1097 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1098 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1099 | ret |
3545 | hidnplayr | 1100 | |
3658 | hidnplayr | 1101 | |
3545 | hidnplayr | 1102 | align 4 |
1103 | SOCKET_send_icmp: |
||
1104 | |||
3556 | hidnplayr | 1105 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: ICMP\n" |
3545 | hidnplayr | 1106 | |
1107 | mov [esp+32], ecx |
||
3658 | hidnplayr | 1108 | call ICMP_output_raw ; FIXME: errorcodes |
3545 | hidnplayr | 1109 | cmp eax, -1 |
3658 | hidnplayr | 1110 | je .error |
3545 | hidnplayr | 1111 | ret |
1112 | |||
3658 | hidnplayr | 1113 | .error: |
1114 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1115 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1116 | ret |
3545 | hidnplayr | 1117 | |
3658 | hidnplayr | 1118 | |
3545 | hidnplayr | 1119 | align 4 |
1120 | SOCKET_send_pppoe: |
||
1121 | |||
3556 | hidnplayr | 1122 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n" |
3545 | hidnplayr | 1123 | |
1124 | mov [esp+32], ecx |
||
1125 | mov ebx, [eax + SOCKET.device] |
||
1126 | |||
3658 | hidnplayr | 1127 | call PPPoE_discovery_output ; FIXME: errorcodes |
3545 | hidnplayr | 1128 | cmp eax, -1 |
3658 | hidnplayr | 1129 | je .error |
3545 | hidnplayr | 1130 | ret |
1131 | |||
3658 | hidnplayr | 1132 | .error: |
1133 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1134 | mov dword[esp+20], EMSGSIZE |
3658 | hidnplayr | 1135 | ret |
3545 | hidnplayr | 1136 | |
1137 | |||
3658 | hidnplayr | 1138 | |
3545 | hidnplayr | 1139 | align 4 |
1140 | SOCKET_send_local: |
||
1141 | |||
1142 | ; does this socket have a PID yet? |
||
1143 | cmp [eax + SOCKET.PID], 0 |
||
1144 | jne @f |
||
1145 | |||
1146 | ; Change PID to that of current process |
||
1147 | mov ebx, [TASK_BASE] |
||
1148 | mov ebx, [ebx + TASKDATA.pid] |
||
1149 | mov [eax + SOCKET.PID], ebx |
||
1150 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
1151 | @@: |
||
1152 | mov [eax + SOCKET.snd_proc], SOCKET_send_local_ |
||
1153 | |||
1154 | align 4 |
||
1155 | SOCKET_send_local_: |
||
1156 | |||
3556 | hidnplayr | 1157 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: LOCAL\n" |
3545 | hidnplayr | 1158 | |
1159 | ; get the other side's socket and check if it still exists |
||
1160 | mov eax, [eax + SOCKET.device] |
||
1161 | call SOCKET_check |
||
3658 | hidnplayr | 1162 | jz .invalid |
3545 | hidnplayr | 1163 | |
1164 | ; allright, shove in the data! |
||
1165 | push eax |
||
1166 | add eax, STREAM_SOCKET.rcv |
||
1167 | call SOCKET_ring_write |
||
1168 | pop eax |
||
1169 | |||
1170 | ; return the number of written bytes (or errorcode) to application |
||
1171 | mov [esp+32], ecx |
||
1172 | |||
1173 | ; and notify the other end |
||
1174 | call SOCKET_notify |
||
1175 | |||
1176 | ret |
||
1177 | |||
3658 | hidnplayr | 1178 | .invalid: |
1179 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1180 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1181 | ret |
3545 | hidnplayr | 1182 | |
3658 | hidnplayr | 1183 | |
3545 | hidnplayr | 1184 | ;----------------------------------------------------------------- |
1185 | ; |
||
1186 | ; SOCKET_get_options |
||
1187 | ; |
||
1188 | ; IN: ecx = socket number |
||
1189 | ; edx = pointer to the options: |
||
1190 | ; dd level, optname, optval, optlen |
||
1191 | ; OUT: -1 on error |
||
1192 | ; |
||
1193 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
1194 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1195 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
||
1196 | ; |
||
1197 | ;----------------------------------------------------------------- |
||
1198 | align 4 |
||
1199 | SOCKET_get_opt: |
||
1200 | |||
3556 | hidnplayr | 1201 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_get_opt\n" |
3545 | hidnplayr | 1202 | |
1203 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1204 | jz .invalid |
3545 | hidnplayr | 1205 | |
1206 | cmp dword [edx], IP_PROTO_TCP |
||
3658 | hidnplayr | 1207 | jne .invalid |
3545 | hidnplayr | 1208 | cmp dword [edx+4], -2 |
1209 | je @f |
||
1210 | cmp dword [edx+4], -3 |
||
3658 | hidnplayr | 1211 | jne .invalid |
3545 | hidnplayr | 1212 | @@: |
1213 | ; mov eax, [edx+12] |
||
1214 | ; test eax, eax |
||
1215 | ; jz .fail |
||
1216 | ; cmp dword [eax], 4 |
||
1217 | ; mov dword [eax], 4 |
||
1218 | ; jb .fail |
||
1219 | ; stdcall net_socket_num_to_addr, ecx |
||
1220 | ; test eax, eax |
||
1221 | ; jz .fail |
||
1222 | ; ; todo: check that eax is really TCP socket |
||
1223 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
1224 | ; cmp dword [edx+4], -2 |
||
1225 | ; jz @f |
||
1226 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1227 | @@: |
||
1228 | mov eax, [edx+8] |
||
1229 | test eax, eax |
||
1230 | jz @f |
||
1231 | mov [eax], ecx |
||
1232 | @@: |
||
1233 | mov dword [esp+32], 0 |
||
1234 | ret |
||
1235 | |||
3658 | hidnplayr | 1236 | .invalid: |
1237 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1238 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1239 | ret |
3545 | hidnplayr | 1240 | |
1241 | |||
3658 | hidnplayr | 1242 | |
3545 | hidnplayr | 1243 | ;----------------------------------------------------------------- |
1244 | ; |
||
1245 | ; SOCKET_set_options |
||
1246 | ; |
||
1247 | ; IN: ecx = socket number |
||
1248 | ; edx = pointer to the options: |
||
1249 | ; dd level, optname, optlen, optval |
||
1250 | ; OUT: -1 on error |
||
1251 | ; |
||
1252 | ;----------------------------------------------------------------- |
||
1253 | align 4 |
||
1254 | SOCKET_set_opt: |
||
1255 | |||
3556 | hidnplayr | 1256 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt\n" |
3545 | hidnplayr | 1257 | |
1258 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1259 | jz .invalid |
3545 | hidnplayr | 1260 | |
1261 | cmp dword [edx], SOL_SOCKET |
||
3658 | hidnplayr | 1262 | jne .invalid |
3545 | hidnplayr | 1263 | |
1264 | cmp dword [edx+4], SO_BINDTODEVICE |
||
1265 | je .bind |
||
1266 | |||
3658 | hidnplayr | 1267 | .invalid: |
1268 | mov dword[esp+32], -1 |
||
3673 | hidnplayr | 1269 | mov dword[esp+20], EINVAL |
3658 | hidnplayr | 1270 | ret |
3545 | hidnplayr | 1271 | |
1272 | .bind: |
||
3658 | hidnplayr | 1273 | cmp dword[edx+8], 0 |
3545 | hidnplayr | 1274 | je .unbind |
1275 | |||
3658 | hidnplayr | 1276 | movzx edx, byte[edx + 9] |
3600 | hidnplayr | 1277 | cmp edx, NET_DEVICES_MAX |
3658 | hidnplayr | 1278 | ja .invalid |
3545 | hidnplayr | 1279 | |
1280 | mov edx, [NET_DRV_LIST + 4*edx] |
||
1281 | test edx, edx |
||
3658 | hidnplayr | 1282 | jz .already |
3545 | hidnplayr | 1283 | mov [eax + SOCKET.device], edx |
1284 | |||
3556 | hidnplayr | 1285 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
3545 | hidnplayr | 1286 | |
3658 | hidnplayr | 1287 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1288 | ret |
1289 | |||
1290 | .unbind: |
||
1291 | mov [eax + SOCKET.device], 0 |
||
1292 | |||
3658 | hidnplayr | 1293 | mov dword[esp+32], 0 ; success! |
3545 | hidnplayr | 1294 | ret |
1295 | |||
3658 | hidnplayr | 1296 | .already: |
3673 | hidnplayr | 1297 | mov dword[esp+20], EALREADY |
3658 | hidnplayr | 1298 | mov dword[esp+32], -1 |
1299 | ret |
||
3545 | hidnplayr | 1300 | |
1301 | |||
3658 | hidnplayr | 1302 | |
1303 | |||
3545 | hidnplayr | 1304 | ;----------------------------------------------------------------- |
1305 | ; |
||
1306 | ; SOCKET_pair |
||
1307 | ; |
||
1308 | ; Allocates a pair of linked LOCAL domain sockets |
||
1309 | ; |
||
1310 | ; IN: / |
||
1311 | ; OUT: eax is socket1 num, -1 on error |
||
1312 | ; ebx is socket2 num |
||
1313 | ; |
||
1314 | ;----------------------------------------------------------------- |
||
1315 | align 4 |
||
1316 | SOCKET_pair: |
||
1317 | |||
3556 | hidnplayr | 1318 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_pair\n" |
3545 | hidnplayr | 1319 | |
1320 | call SOCKET_alloc |
||
3658 | hidnplayr | 1321 | jz .nomem1 |
3545 | hidnplayr | 1322 | mov [esp+32], edi ; application's eax |
1323 | |||
1324 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1325 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1326 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1327 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1328 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1329 | mov [eax + SOCKET.PID], 0 |
||
1330 | mov ebx, eax |
||
1331 | |||
1332 | call SOCKET_alloc |
||
3658 | hidnplayr | 1333 | jz .nomem2 |
3673 | hidnplayr | 1334 | mov [esp+20], edi ; application's ebx |
3545 | hidnplayr | 1335 | |
1336 | mov [eax + SOCKET.Domain], AF_LOCAL |
||
1337 | mov [eax + SOCKET.Type], SOCK_STREAM |
||
1338 | mov [eax + SOCKET.Protocol], 0 ;;; CHECKME |
||
1339 | mov [eax + SOCKET.snd_proc], SOCKET_send_local |
||
1340 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_local |
||
1341 | mov [eax + SOCKET.PID], 0 |
||
1342 | |||
1343 | ; Link the two sockets to eachother |
||
1344 | mov [eax + SOCKET.device], ebx |
||
1345 | mov [ebx + SOCKET.device], eax |
||
1346 | |||
1347 | lea eax, [eax + STREAM_SOCKET.rcv] |
||
1348 | call SOCKET_ring_create |
||
1349 | |||
1350 | lea eax, [ebx + STREAM_SOCKET.rcv] |
||
1351 | call SOCKET_ring_create |
||
1352 | pop eax |
||
1353 | |||
1354 | ret |
||
1355 | |||
3658 | hidnplayr | 1356 | .nomem2: |
3545 | hidnplayr | 1357 | mov eax, ebx |
1358 | call SOCKET_free |
||
3658 | hidnplayr | 1359 | .nomem1: |
1360 | mov dword[esp+32], -1 |
||
1361 | mov dword[esp+28], ENOMEM |
||
1362 | ret |
||
3545 | hidnplayr | 1363 | |
1364 | |||
1365 | |||
1366 | ;----------------------------------------------------------------- |
||
1367 | ; |
||
1368 | ; SOCKET_debug |
||
1369 | ; |
||
1370 | ; Copies socket variables to application buffer |
||
1371 | ; |
||
1372 | ; IN: ecx = socket number |
||
1373 | ; edx = pointer to buffer |
||
1374 | ; |
||
1375 | ; OUT: -1 on error |
||
1376 | ;----------------------------------------------------------------- |
||
1377 | align 4 |
||
1378 | SOCKET_debug: |
||
1379 | |||
3556 | hidnplayr | 1380 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_debug\n" |
3545 | hidnplayr | 1381 | |
1382 | mov edi, edx |
||
1383 | |||
1384 | test ecx, ecx |
||
1385 | jz .returnall |
||
1386 | |||
1387 | call SOCKET_num_to_ptr |
||
3658 | hidnplayr | 1388 | jz .invalid |
3545 | hidnplayr | 1389 | |
1390 | mov esi, eax |
||
1391 | mov ecx, SOCKETBUFFSIZE/4 |
||
3711 | clevermous | 1392 | rep movsd |
3545 | hidnplayr | 1393 | |
3658 | hidnplayr | 1394 | mov dword[esp+32], 0 |
3545 | hidnplayr | 1395 | ret |
1396 | |||
1397 | .returnall: |
||
1398 | mov ebx, net_sockets |
||
1399 | .next_socket: |
||
1400 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1401 | test ebx, ebx |
||
1402 | jz .done |
||
1403 | mov eax, [ebx + SOCKET.Number] |
||
1404 | stosd |
||
1405 | jmp .next_socket |
||
1406 | .done: |
||
1407 | xor eax, eax |
||
1408 | stosd |
||
3658 | hidnplayr | 1409 | mov dword[esp+32], eax |
1410 | ret |
||
3545 | hidnplayr | 1411 | |
3658 | hidnplayr | 1412 | .invalid: |
1413 | mov dword[esp+32], -1 |
||
1414 | mov dword[esp+28], EINVAL |
||
3545 | hidnplayr | 1415 | ret |
1416 | |||
1417 | |||
1418 | ;----------------------------------------------------------------- |
||
1419 | ; |
||
1420 | ; SOCKET_find_port |
||
1421 | ; |
||
1422 | ; Fills in the local port number for TCP and UDP sockets |
||
1423 | ; This procedure always works because the number of sockets is |
||
1424 | ; limited to a smaller number then the number of possible ports |
||
1425 | ; |
||
1426 | ; IN: eax = socket pointer |
||
1427 | ; OUT: / |
||
1428 | ; |
||
1429 | ;----------------------------------------------------------------- |
||
1430 | align 4 |
||
1431 | SOCKET_find_port: |
||
1432 | |||
3556 | hidnplayr | 1433 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_find_port\n" |
3545 | hidnplayr | 1434 | |
1435 | push ebx esi ecx |
||
1436 | |||
1437 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
1438 | je .udp |
||
1439 | |||
1440 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
1441 | je .tcp |
||
1442 | |||
1443 | pop ecx esi ebx |
||
1444 | ret |
||
1445 | |||
1446 | .udp: |
||
1447 | mov bx, [last_UDP_port] |
||
1448 | call .findit |
||
1449 | mov [last_UDP_port], bx |
||
1450 | |||
1451 | pop ecx esi ebx |
||
1452 | ret |
||
1453 | |||
1454 | .tcp: |
||
1455 | mov bx, [last_TCP_port] |
||
1456 | call .findit |
||
1457 | mov [last_TCP_port], bx |
||
1458 | |||
1459 | pop ecx esi ebx |
||
1460 | ret |
||
1461 | |||
1462 | |||
1463 | .restart: |
||
1464 | mov bx, MIN_EPHEMERAL_PORT_N |
||
1465 | .findit: |
||
1466 | cmp bx, MAX_EPHEMERAL_PORT_N |
||
1467 | je .restart |
||
1468 | |||
1469 | add bh, 1 |
||
1470 | adc bl, 0 |
||
1471 | |||
1472 | call SOCKET_check_port |
||
1473 | jz .findit |
||
1474 | ret |
||
1475 | |||
1476 | |||
1477 | |||
1478 | ;----------------------------------------------------------------- |
||
1479 | ; |
||
1480 | ; SOCKET_check_port (to be used with AF_INET only!) |
||
1481 | ; |
||
1482 | ; Checks if a local port number is unused |
||
1483 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1484 | ; |
||
1485 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
||
1486 | ; bx = proposed socket number (network byte order) |
||
1487 | ; |
||
1488 | ; OUT: ZF = set on error |
||
1489 | ; |
||
1490 | ;----------------------------------------------------------------- |
||
1491 | align 4 |
||
1492 | SOCKET_check_port: |
||
1493 | |||
3556 | hidnplayr | 1494 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_port: " |
3545 | hidnplayr | 1495 | |
3647 | hidnplayr | 1496 | pusha |
1497 | mov ecx, socket_mutex |
||
1498 | call mutex_lock |
||
1499 | popa |
||
1500 | |||
3545 | hidnplayr | 1501 | mov ecx, [eax + SOCKET.Protocol] |
1502 | mov edx, [eax + IP_SOCKET.LocalIP] |
||
1503 | mov esi, net_sockets |
||
1504 | |||
1505 | .next_socket: |
||
1506 | mov esi, [esi + SOCKET.NextPtr] |
||
1507 | or esi, esi |
||
1508 | jz .port_ok |
||
1509 | |||
1510 | cmp [esi + SOCKET.Protocol], ecx |
||
1511 | jne .next_socket |
||
1512 | |||
1513 | cmp [esi + IP_SOCKET.LocalIP], edx |
||
1514 | jne .next_socket |
||
1515 | |||
1516 | cmp [esi + UDP_SOCKET.LocalPort], bx |
||
1517 | jne .next_socket |
||
1518 | |||
3647 | hidnplayr | 1519 | pusha |
1520 | mov ecx, socket_mutex |
||
1521 | call mutex_unlock |
||
1522 | popa |
||
1523 | |||
3556 | hidnplayr | 1524 | 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 | 1525 | ret |
1526 | |||
1527 | .port_ok: |
||
3647 | hidnplayr | 1528 | pusha |
1529 | mov ecx, socket_mutex |
||
1530 | call mutex_unlock |
||
1531 | popa |
||
1532 | |||
3556 | hidnplayr | 1533 | DEBUGF DEBUG_NETWORK_VERBOSE, "local port %x is free\n", bx ; FIXME: find a way to print big endian values with debugf |
3545 | hidnplayr | 1534 | mov [eax + UDP_SOCKET.LocalPort], bx |
1535 | or bx, bx ; clear the zero-flag |
||
1536 | ret |
||
1537 | |||
1538 | |||
1539 | |||
1540 | ;----------------------------------------------------------------- |
||
1541 | ; |
||
1542 | ; SOCKET_input |
||
1543 | ; |
||
1544 | ; Updates a (stateless) socket with received data |
||
1545 | ; |
||
1546 | ; Note: the mutex should already be set ! |
||
1547 | ; |
||
1548 | ; IN: eax = socket ptr |
||
1549 | ; ecx = data size |
||
1550 | ; esi = ptr to data |
||
1551 | ; [esp] = ptr to buf |
||
1552 | ; [esp + 4] = buf size |
||
1553 | ; |
||
1554 | ; OUT: / |
||
1555 | ; |
||
1556 | ;----------------------------------------------------------------- |
||
1557 | align 4 |
||
1558 | SOCKET_input: |
||
1559 | |||
3556 | hidnplayr | 1560 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1561 | |
1562 | mov [esp+4], ecx |
||
1563 | push esi |
||
1564 | mov esi, esp |
||
1565 | |||
1566 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
||
1567 | |||
3556 | hidnplayr | 1568 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: success\n" |
3545 | hidnplayr | 1569 | add esp, sizeof.socket_queue_entry |
1570 | |||
1571 | pusha |
||
1572 | lea ecx, [eax + SOCKET.mutex] |
||
1573 | call mutex_unlock |
||
1574 | popa |
||
1575 | |||
1576 | jmp SOCKET_notify |
||
1577 | |||
1578 | .full: |
||
3556 | hidnplayr | 1579 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_input: socket %x is full!\n", eax |
3545 | hidnplayr | 1580 | |
1581 | pusha |
||
1582 | lea ecx, [eax + SOCKET.mutex] |
||
1583 | call mutex_unlock |
||
1584 | popa |
||
1585 | |||
3861 | hidnplayr | 1586 | call NET_packet_free |
3545 | hidnplayr | 1587 | add esp, 8 |
1588 | |||
1589 | ret |
||
1590 | |||
1591 | |||
1592 | ;-------------------------- |
||
1593 | ; |
||
1594 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1595 | ; |
||
1596 | align 4 |
||
1597 | SOCKET_ring_create: |
||
1598 | |||
1599 | push esi |
||
1600 | mov esi, eax |
||
1601 | |||
1602 | push edx |
||
1603 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1604 | pop edx |
||
1605 | |||
3556 | hidnplayr | 1606 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_created: %x\n", eax |
3545 | hidnplayr | 1607 | |
1608 | pusha |
||
1609 | lea ecx, [esi + RING_BUFFER.mutex] |
||
1610 | call mutex_init |
||
1611 | popa |
||
1612 | |||
1613 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1614 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1615 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1616 | mov [esi + RING_BUFFER.size], 0 |
||
1617 | add eax, SOCKET_MAXDATA |
||
1618 | mov [esi + RING_BUFFER.end_ptr], eax |
||
1619 | mov eax, esi |
||
1620 | pop esi |
||
1621 | |||
1622 | ret |
||
1623 | |||
1624 | ;----------------------------------------------------------------- |
||
1625 | ; |
||
1626 | ; SOCKET_ring_write |
||
1627 | ; |
||
1628 | ; Adds data to a stream socket, and updates write pointer and size |
||
1629 | ; |
||
1630 | ; IN: eax = ptr to ring struct |
||
1631 | ; ecx = data size |
||
1632 | ; esi = ptr to data |
||
1633 | ; |
||
1634 | ; OUT: ecx = number of bytes stored |
||
1635 | ; |
||
1636 | ;----------------------------------------------------------------- |
||
1637 | align 4 |
||
1638 | SOCKET_ring_write: |
||
1639 | |||
3556 | hidnplayr | 1640 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
3545 | hidnplayr | 1641 | |
1642 | ; lock mutex |
||
1643 | pusha |
||
1644 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1645 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1646 | popa |
||
1647 | |||
1648 | ; calculate available size |
||
1649 | mov edi, SOCKET_MAXDATA |
||
1650 | sub edi, [eax + RING_BUFFER.size] ; available buffer size in edi |
||
1651 | cmp ecx, edi |
||
1652 | jbe .copy |
||
1653 | mov ecx, edi |
||
1654 | .copy: |
||
1655 | mov edi, [eax + RING_BUFFER.write_ptr] |
||
3556 | hidnplayr | 1656 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1657 | |
1658 | ; update write ptr |
||
1659 | push edi |
||
1660 | add edi, ecx |
||
1661 | cmp edi, [eax + RING_BUFFER.end_ptr] |
||
1662 | jb @f |
||
1663 | sub edi, SOCKET_MAXDATA ; WRAP |
||
1664 | @@: |
||
1665 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1666 | pop edi |
||
1667 | |||
1668 | ; update size |
||
1669 | add [eax + RING_BUFFER.size], ecx |
||
1670 | |||
1671 | ; copy the data |
||
1672 | push ecx |
||
1673 | shr ecx, 1 |
||
1674 | jnc .nb |
||
1675 | movsb |
||
1676 | .nb: |
||
1677 | shr ecx, 1 |
||
1678 | jnc .nw |
||
1679 | movsw |
||
1680 | .nw: |
||
1681 | test ecx, ecx |
||
1682 | jz .nd |
||
3711 | clevermous | 1683 | rep movsd |
3545 | hidnplayr | 1684 | .nd: |
1685 | pop ecx |
||
1686 | |||
1687 | ; unlock mutex |
||
1688 | push eax ecx |
||
1689 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1690 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1691 | pop ecx eax |
||
1692 | |||
1693 | ret |
||
1694 | |||
1695 | ;----------------------------------------------------------------- |
||
1696 | ; |
||
1697 | ; SOCKET_ring_read |
||
1698 | ; |
||
1699 | ; IN: eax = ring struct ptr |
||
1700 | ; ecx = bytes to read |
||
1701 | ; edx = offset |
||
1702 | ; edi = ptr to buffer start |
||
1703 | ; |
||
1704 | ; OUT: eax = unchanged |
||
1705 | ; ecx = number of bytes read (0 on error) |
||
1706 | ; edx = destroyed |
||
1707 | ; esi = destroyed |
||
1708 | ; edi = ptr to buffer end |
||
1709 | ; |
||
1710 | ;----------------------------------------------------------------- |
||
1711 | align 4 |
||
1712 | SOCKET_ring_read: |
||
1713 | |||
3556 | hidnplayr | 1714 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
3545 | hidnplayr | 1715 | |
1716 | pusha |
||
1717 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1718 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1719 | popa |
||
1720 | |||
1721 | mov esi, [eax + RING_BUFFER.read_ptr] |
||
1722 | add esi, edx ; esi = start_ptr + offset |
||
1723 | |||
1724 | neg edx |
||
1725 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1726 | jle .no_data_at_all |
||
1727 | |||
1728 | pusha |
||
1729 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1730 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1731 | popa |
||
1732 | |||
1733 | cmp ecx, edx |
||
1734 | ja .less_data |
||
1735 | |||
1736 | .copy: |
||
3556 | hidnplayr | 1737 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
3545 | hidnplayr | 1738 | push ecx |
1739 | shr ecx, 1 |
||
1740 | jnc .nb |
||
1741 | movsb |
||
1742 | .nb: |
||
1743 | shr ecx, 1 |
||
1744 | jnc .nw |
||
1745 | movsw |
||
1746 | .nw: |
||
1747 | test ecx, ecx |
||
1748 | jz .nd |
||
3711 | clevermous | 1749 | rep movsd |
3545 | hidnplayr | 1750 | .nd: |
1751 | pop ecx |
||
1752 | ret |
||
1753 | |||
1754 | .no_data_at_all: |
||
1755 | pusha |
||
1756 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1757 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1758 | popa |
||
1759 | |||
3556 | hidnplayr | 1760 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_read: no data at all!\n" |
3545 | hidnplayr | 1761 | xor ecx, ecx |
1762 | ret |
||
1763 | |||
1764 | .less_data: |
||
1765 | mov ecx, edx |
||
1766 | jmp .copy |
||
1767 | |||
1768 | |||
1769 | ;----------------------------------------------------------------- |
||
1770 | ; |
||
1771 | ; SOCKET_ring_free |
||
1772 | ; |
||
1773 | ; Free's some bytes from the ringbuffer |
||
1774 | ; |
||
1775 | ; IN: eax = ptr to ring struct |
||
1776 | ; ecx = data size |
||
1777 | ; |
||
1778 | ; OUT: ecx = number of bytes free-ed |
||
1779 | ; |
||
1780 | ;----------------------------------------------------------------- |
||
1781 | align 4 |
||
1782 | SOCKET_ring_free: |
||
1783 | |||
3556 | hidnplayr | 1784 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
3545 | hidnplayr | 1785 | |
1786 | push eax ecx |
||
1787 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1788 | call mutex_lock ; TODO: check what registers this function actually destroys |
||
1789 | pop ecx eax |
||
1790 | |||
1791 | sub [eax + RING_BUFFER.size], ecx |
||
1792 | jb .error |
||
1793 | add [eax + RING_BUFFER.read_ptr], ecx |
||
1794 | |||
1795 | mov edx, [eax + RING_BUFFER.end_ptr] |
||
1796 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1797 | jb @f |
||
1798 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1799 | @@: |
||
1800 | |||
1801 | push eax ecx |
||
1802 | lea ecx, [eax + RING_BUFFER.mutex] ; TODO: check what registers this function actually destroys |
||
1803 | call mutex_unlock |
||
1804 | pop ecx eax |
||
1805 | |||
1806 | ret |
||
1807 | |||
1808 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
||
3556 | hidnplayr | 1809 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ring_free: buffer=%x error!\n", eax |
3545 | hidnplayr | 1810 | add [eax + RING_BUFFER.size], ecx |
1811 | |||
1812 | push eax |
||
1813 | lea ecx, [eax + RING_BUFFER.mutex] |
||
1814 | call mutex_unlock ; TODO: check what registers this function actually destroys |
||
1815 | pop eax |
||
1816 | |||
1817 | xor ecx, ecx |
||
1818 | ret |
||
1819 | |||
1820 | |||
1821 | ;----------------------------------------------------------------- |
||
1822 | ; |
||
1823 | ; SOCKET_block |
||
1824 | ; |
||
1825 | ; Suspends the thread attached to a socket |
||
1826 | ; |
||
1827 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1828 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1829 | ; |
1830 | ;----------------------------------------------------------------- |
||
1831 | align 4 |
||
1832 | SOCKET_block: |
||
1833 | |||
3556 | hidnplayr | 1834 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: %x\n", eax |
3545 | hidnplayr | 1835 | |
1836 | pushf |
||
3674 | hidnplayr | 1837 | push eax |
3545 | hidnplayr | 1838 | cli |
1839 | |||
1840 | ; Set the 'socket is blocked' flag |
||
1841 | or [eax + SOCKET.state], SS_BLOCKED |
||
1842 | |||
1843 | ; Suspend the thread |
||
1844 | push edx |
||
1845 | mov edx, [TASK_BASE] |
||
1846 | mov [edx + TASKDATA.state], 1 ; Suspended |
||
1847 | |||
1848 | ; Remember the thread ID so we can wake it up again |
||
1849 | mov edx, [edx + TASKDATA.pid] |
||
3556 | hidnplayr | 1850 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: suspending thread: %u\n", edx |
3545 | hidnplayr | 1851 | mov [eax + SOCKET.TID], edx |
1852 | pop edx |
||
1853 | |||
1854 | call change_task |
||
3674 | hidnplayr | 1855 | pop eax |
3545 | hidnplayr | 1856 | popf |
1857 | |||
3556 | hidnplayr | 1858 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_block: continueing\n" |
3545 | hidnplayr | 1859 | |
1860 | ret |
||
1861 | |||
1862 | |||
1863 | ;----------------------------------------------------------------- |
||
1864 | ; |
||
1865 | ; SOCKET_notify |
||
1866 | ; |
||
1867 | ; notify's the owner of a socket that something happened |
||
1868 | ; |
||
1869 | ; IN: eax = socket ptr |
||
3674 | hidnplayr | 1870 | ; OUT: eax = unchanged |
3545 | hidnplayr | 1871 | ; |
1872 | ;----------------------------------------------------------------- |
||
1873 | align 4 |
||
1874 | SOCKET_notify: |
||
1875 | |||
3556 | hidnplayr | 1876 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: %x\n", eax |
3545 | hidnplayr | 1877 | |
1878 | call SOCKET_check |
||
1879 | jz .error |
||
1880 | |||
1881 | test [eax + SOCKET.state], SS_BLOCKED |
||
1882 | jnz .unblock |
||
1883 | |||
3704 | hidnplayr | 1884 | ; test [eax + SOCKET.options], SO_NONBLOCK |
1885 | ; jz .error |
||
3545 | hidnplayr | 1886 | |
1887 | push eax ecx esi |
||
1888 | |||
1889 | ; socket exists and is of non blocking type. |
||
1890 | ; We'll try to flag an event to the thread |
||
1891 | |||
1892 | mov eax, [eax + SOCKET.TID] |
||
1893 | test eax, eax |
||
1894 | jz .done |
||
1895 | mov ecx, 1 |
||
1896 | mov esi, TASK_DATA + TASKDATA.pid |
||
1897 | |||
1898 | .next_pid: |
||
1899 | cmp [esi], eax |
||
1900 | je .found_pid |
||
1901 | inc ecx |
||
1902 | add esi, 0x20 |
||
1903 | cmp ecx, [TASK_COUNT] |
||
1904 | jbe .next_pid |
||
1905 | ; PID not found, TODO: close socket! |
||
1906 | jmp .done |
||
1907 | |||
1908 | .found_pid: |
||
1909 | shl ecx, 8 |
||
1910 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1911 | |||
3817 | hidnplayr | 1912 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: poking thread %u!\n", eax |
3545 | hidnplayr | 1913 | jmp .done |
1914 | |||
1915 | .unblock: |
||
1916 | push eax ecx esi |
||
1917 | ; Clear the 'socket is blocked' flag |
||
1918 | and [eax + SOCKET.state], not SS_BLOCKED |
||
1919 | |||
1920 | ; Find the thread's TASK_DATA |
||
1921 | mov eax, [eax + SOCKET.TID] |
||
1922 | test eax, eax |
||
1923 | jz .error |
||
1924 | xor ecx, ecx |
||
1925 | inc ecx |
||
1926 | mov esi, TASK_DATA |
||
1927 | .next: |
||
1928 | cmp [esi + TASKDATA.pid], eax |
||
1929 | je .found |
||
1930 | inc ecx |
||
1931 | add esi, 0x20 |
||
1932 | cmp ecx, [TASK_COUNT] |
||
1933 | jbe .next |
||
1934 | jmp .error |
||
1935 | .found: |
||
1936 | |||
1937 | ; Run the thread |
||
1938 | mov [esi + TASKDATA.state], 0 ; Running |
||
3556 | hidnplayr | 1939 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_notify: Unblocked socket!\n" |
3545 | hidnplayr | 1940 | |
1941 | .done: |
||
1942 | pop esi ecx eax |
||
1943 | |||
1944 | .error: |
||
1945 | ret |
||
1946 | |||
1947 | |||
1948 | ;-------------------------------------------------------------------- |
||
1949 | ; |
||
1950 | ; SOCKET_alloc |
||
1951 | ; |
||
1952 | ; Allocate memory for socket data and put new socket into the list |
||
1953 | ; Newly created socket is initialized with calling PID and number and |
||
1954 | ; put into beginning of list (which is a fastest way). |
||
1955 | ; |
||
1956 | ; IN: / |
||
1957 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1958 | ; edi = socket number |
||
1959 | ; ZF = cleared on error |
||
1960 | ; |
||
1961 | ;-------------------------------------------------------------------- |
||
1962 | align 4 |
||
1963 | SOCKET_alloc: |
||
1964 | |||
1965 | push ebx |
||
1966 | |||
1967 | stdcall kernel_alloc, SOCKETBUFFSIZE |
||
3556 | hidnplayr | 1968 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: ptr=%x\n", eax |
3545 | hidnplayr | 1969 | or eax, eax |
1970 | jz .exit |
||
1971 | |||
1972 | ; zero-initialize allocated memory |
||
1973 | push eax |
||
1974 | mov edi, eax |
||
1975 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1976 | xor eax, eax |
||
3711 | clevermous | 1977 | rep stosd |
3545 | hidnplayr | 1978 | pop eax |
1979 | |||
1980 | ; set send-and receive procedures to return -1 |
||
3658 | hidnplayr | 1981 | mov [eax + SOCKET.snd_proc], .not_yet |
1982 | mov [eax + SOCKET.rcv_proc], .not_yet |
||
3545 | hidnplayr | 1983 | |
3647 | hidnplayr | 1984 | pusha |
1985 | mov ecx, socket_mutex |
||
1986 | call mutex_lock |
||
1987 | popa |
||
1988 | |||
3545 | hidnplayr | 1989 | ; find first free socket number and use it |
1990 | mov edi, [last_socket_num] |
||
1991 | .next_socket_number: |
||
1992 | inc edi |
||
1993 | jz .next_socket_number ; avoid socket nr 0 |
||
1994 | cmp edi, -1 |
||
1995 | je .next_socket_number ; avoid socket nr -1 |
||
1996 | mov ebx, net_sockets |
||
1997 | .next_socket: |
||
1998 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1999 | test ebx, ebx |
||
2000 | jz .last_socket |
||
2001 | |||
2002 | cmp [ebx + SOCKET.Number], edi |
||
2003 | jne .next_socket |
||
2004 | jmp .next_socket_number |
||
2005 | |||
2006 | .last_socket: |
||
2007 | mov [last_socket_num], edi |
||
2008 | mov [eax + SOCKET.Number], edi |
||
3556 | hidnplayr | 2009 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_alloc: number=%u\n", edi |
3545 | hidnplayr | 2010 | |
2011 | ; Fill in PID |
||
2012 | mov ebx, [TASK_BASE] |
||
2013 | mov ebx, [ebx + TASKDATA.pid] |
||
2014 | mov [eax + SOCKET.PID], ebx |
||
2015 | mov [eax + SOCKET.TID], ebx ; currently TID = PID in kolibrios :( |
||
2016 | |||
2017 | ; init mutex |
||
2018 | pusha |
||
2019 | lea ecx, [eax + SOCKET.mutex] |
||
2020 | call mutex_init |
||
2021 | popa |
||
2022 | |||
2023 | ; add socket to the list by re-arranging some pointers |
||
2024 | mov ebx, [net_sockets + SOCKET.NextPtr] |
||
2025 | |||
2026 | mov [eax + SOCKET.PrevPtr], net_sockets |
||
2027 | mov [eax + SOCKET.NextPtr], ebx |
||
2028 | |||
2029 | test ebx, ebx |
||
2030 | jz @f |
||
2031 | |||
2032 | pusha |
||
2033 | lea ecx, [ebx + SOCKET.mutex] |
||
2034 | call mutex_lock |
||
2035 | popa |
||
2036 | |||
2037 | mov [ebx + SOCKET.PrevPtr], eax |
||
2038 | |||
2039 | pusha |
||
2040 | lea ecx, [ebx + SOCKET.mutex] |
||
2041 | call mutex_unlock |
||
2042 | popa |
||
2043 | @@: |
||
2044 | |||
2045 | mov [net_sockets + SOCKET.NextPtr], eax |
||
2046 | or eax, eax ; used to clear zero flag |
||
3647 | hidnplayr | 2047 | |
2048 | pusha |
||
2049 | mov ecx, socket_mutex |
||
2050 | call mutex_unlock |
||
2051 | popa |
||
2052 | |||
3545 | hidnplayr | 2053 | .exit: |
2054 | pop ebx |
||
2055 | |||
2056 | ret |
||
2057 | |||
3658 | hidnplayr | 2058 | .not_yet: |
3673 | hidnplayr | 2059 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2060 | mov dword[esp+32], -1 |
2061 | ret |
||
3545 | hidnplayr | 2062 | |
3658 | hidnplayr | 2063 | |
3545 | hidnplayr | 2064 | ;---------------------------------------------------- |
2065 | ; |
||
2066 | ; SOCKET_free |
||
2067 | ; |
||
2068 | ; Free socket data memory and remove socket from the list |
||
3884 | hidnplayr | 2069 | ; Caller should lock and unlock socket_mutex |
3545 | hidnplayr | 2070 | ; |
2071 | ; IN: eax = socket ptr |
||
2072 | ; OUT: / |
||
2073 | ; |
||
2074 | ;---------------------------------------------------- |
||
2075 | align 4 |
||
2076 | SOCKET_free: |
||
2077 | |||
3556 | hidnplayr | 2078 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: %x\n", eax |
3545 | hidnplayr | 2079 | |
2080 | call SOCKET_check |
||
2081 | jz .error |
||
2082 | |||
2083 | push ebx |
||
2084 | |||
2085 | pusha |
||
2086 | lea ecx, [eax + SOCKET.mutex] |
||
2087 | call mutex_lock |
||
2088 | popa |
||
2089 | |||
2090 | cmp [eax + SOCKET.Domain], AF_INET4 |
||
2091 | jnz .no_tcp |
||
2092 | |||
2093 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2094 | jnz .no_tcp |
||
2095 | |||
2096 | mov ebx, eax |
||
2097 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
2098 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
2099 | mov eax, ebx |
||
2100 | .no_tcp: |
||
2101 | |||
3652 | hidnplayr | 2102 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: freeing socket %x\n", eax |
3545 | hidnplayr | 2103 | push eax ; this will be passed to kernel_free |
2104 | mov ebx, [eax + SOCKET.NextPtr] |
||
2105 | mov eax, [eax + SOCKET.PrevPtr] |
||
2106 | |||
3556 | hidnplayr | 2107 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
3545 | hidnplayr | 2108 | |
2109 | test eax, eax |
||
2110 | jz @f |
||
2111 | mov [eax + SOCKET.NextPtr], ebx |
||
2112 | @@: |
||
2113 | |||
2114 | test ebx, ebx |
||
2115 | jz @f |
||
2116 | mov [ebx + SOCKET.PrevPtr], eax |
||
2117 | @@: |
||
2118 | |||
2119 | call kernel_free |
||
2120 | pop ebx |
||
2121 | |||
3652 | hidnplayr | 2122 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_free: success!\n" |
2123 | |||
2124 | .error: |
||
3545 | hidnplayr | 2125 | ret |
2126 | |||
2127 | ;------------------------------------ |
||
2128 | ; |
||
2129 | ; SOCKET_fork |
||
2130 | ; |
||
2131 | ; Create a child socket |
||
2132 | ; |
||
2133 | ; IN: socket nr in ebx |
||
2134 | ; OUT: child socket nr in eax |
||
2135 | ; |
||
2136 | ;----------------------------------- |
||
2137 | align 4 |
||
2138 | SOCKET_fork: |
||
2139 | |||
3556 | hidnplayr | 2140 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_fork: %x\n", ebx |
3545 | hidnplayr | 2141 | |
2142 | ; Exit if backlog queue is full |
||
2143 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
||
2144 | cmp ax, [ebx + SOCKET.backlog] |
||
2145 | jae .fail |
||
2146 | |||
2147 | ; Allocate new socket |
||
2148 | push ebx |
||
2149 | call SOCKET_alloc |
||
2150 | pop ebx |
||
2151 | jz .fail |
||
2152 | |||
2153 | push eax |
||
2154 | mov esi, esp |
||
2155 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
2156 | pop eax |
||
2157 | |||
2158 | ; Copy structure from current socket to new |
||
3817 | hidnplayr | 2159 | ; We start at PID to preserve the socket num, 2 pointers and mutex |
2160 | ; TID will be filled in later |
||
3545 | hidnplayr | 2161 | lea esi, [ebx + SOCKET.PID] |
2162 | lea edi, [eax + SOCKET.PID] |
||
2163 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
3711 | clevermous | 2164 | rep movsd |
3545 | hidnplayr | 2165 | |
2166 | and [eax + SOCKET.options], not SO_ACCEPTCON |
||
2167 | |||
3817 | hidnplayr | 2168 | ; Notify owner of parent socket |
2169 | push eax |
||
2170 | mov eax, ebx |
||
2171 | call SOCKET_notify |
||
2172 | pop eax |
||
2173 | |||
3545 | hidnplayr | 2174 | ret |
2175 | |||
2176 | .fail2: |
||
2177 | add esp, 4+4+4 |
||
2178 | .fail: |
||
3556 | hidnplayr | 2179 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_fork: failed\n" |
3545 | hidnplayr | 2180 | xor eax, eax |
2181 | ret |
||
2182 | |||
2183 | |||
2184 | ;--------------------------------------------------- |
||
2185 | ; |
||
2186 | ; SOCKET_num_to_ptr |
||
2187 | ; |
||
2188 | ; Get socket structure address by its number |
||
2189 | ; |
||
2190 | ; IN: ecx = socket number |
||
2191 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
2192 | ; ZF = set on error |
||
2193 | ; |
||
2194 | ;--------------------------------------------------- |
||
2195 | align 4 |
||
2196 | SOCKET_num_to_ptr: |
||
2197 | |||
3556 | hidnplayr | 2198 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_num_to_ptr: num=%u ", ecx |
3545 | hidnplayr | 2199 | |
3647 | hidnplayr | 2200 | pusha |
2201 | mov ecx, socket_mutex |
||
2202 | call mutex_lock |
||
2203 | popa |
||
2204 | |||
3545 | hidnplayr | 2205 | mov eax, net_sockets |
2206 | |||
2207 | .next_socket: |
||
2208 | mov eax, [eax + SOCKET.NextPtr] |
||
2209 | or eax, eax |
||
2210 | jz .error |
||
2211 | cmp [eax + SOCKET.Number], ecx |
||
2212 | jne .next_socket |
||
2213 | |||
2214 | test eax, eax |
||
2215 | |||
3647 | hidnplayr | 2216 | pusha |
2217 | mov ecx, socket_mutex |
||
2218 | call mutex_unlock |
||
2219 | popa |
||
2220 | |||
3556 | hidnplayr | 2221 | DEBUGF DEBUG_NETWORK_VERBOSE, "ptr=%x\n", eax |
3545 | hidnplayr | 2222 | ret |
2223 | |||
2224 | .error: |
||
3647 | hidnplayr | 2225 | pusha |
2226 | mov ecx, socket_mutex |
||
2227 | call mutex_unlock |
||
2228 | popa |
||
2229 | |||
3637 | hidnplayr | 2230 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_num_to_ptr: not found\n", eax |
3545 | hidnplayr | 2231 | ret |
2232 | |||
2233 | |||
2234 | ;--------------------------------------------------- |
||
2235 | ; |
||
2236 | ; SOCKET_ptr_to_num |
||
2237 | ; |
||
2238 | ; Get socket number by its address |
||
2239 | ; |
||
2240 | ; IN: eax = socket ptr |
||
2241 | ; OUT: eax = 0 on error, socket num otherwise |
||
2242 | ; ZF = set on error |
||
2243 | ; |
||
2244 | ;--------------------------------------------------- |
||
2245 | align 4 |
||
2246 | SOCKET_ptr_to_num: |
||
2247 | |||
3556 | hidnplayr | 2248 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_ptr_to_num: ptr=%x ", eax |
3545 | hidnplayr | 2249 | |
2250 | call SOCKET_check |
||
2251 | jz .error |
||
2252 | |||
2253 | mov eax, [eax + SOCKET.Number] |
||
2254 | |||
3556 | hidnplayr | 2255 | DEBUGF DEBUG_NETWORK_VERBOSE, "num=%u\n", eax |
3545 | hidnplayr | 2256 | ret |
2257 | |||
2258 | .error: |
||
3556 | hidnplayr | 2259 | DEBUGF DEBUG_NETWORK_ERROR, "SOCKET_ptr_to_num: not found\n", eax |
3545 | hidnplayr | 2260 | ret |
2261 | |||
2262 | |||
2263 | ;--------------------------------------------------- |
||
2264 | ; |
||
2265 | ; SOCKET_check |
||
2266 | ; |
||
2267 | ; checks if the given value is really a socket ptr |
||
2268 | ; |
||
2269 | ; IN: eax = socket ptr |
||
2270 | ; OUT: eax = 0 on error, unchanged otherwise |
||
2271 | ; ZF = set on error |
||
2272 | ; |
||
2273 | ;--------------------------------------------------- |
||
2274 | align 4 |
||
2275 | SOCKET_check: |
||
2276 | |||
3556 | hidnplayr | 2277 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check: %x\n", eax |
3545 | hidnplayr | 2278 | |
2279 | push ebx |
||
2280 | mov ebx, net_sockets |
||
2281 | |||
2282 | .next_socket: |
||
2283 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2284 | or ebx, ebx |
||
2285 | jz .done |
||
2286 | cmp ebx, eax |
||
2287 | jnz .next_socket |
||
2288 | |||
2289 | .done: |
||
2290 | mov eax, ebx |
||
2291 | test eax, eax |
||
2292 | pop ebx |
||
2293 | |||
2294 | ret |
||
2295 | |||
2296 | |||
2297 | |||
2298 | ;--------------------------------------------------- |
||
2299 | ; |
||
2300 | ; SOCKET_check_owner |
||
2301 | ; |
||
2302 | ; checks if the caller application owns the socket |
||
2303 | ; |
||
2304 | ; IN: eax = socket ptr |
||
2305 | ; OUT: ZF = true/false |
||
2306 | ; |
||
2307 | ;--------------------------------------------------- |
||
2308 | align 4 |
||
2309 | SOCKET_check_owner: |
||
2310 | |||
3556 | hidnplayr | 2311 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_check_owner: %x\n", eax |
3545 | hidnplayr | 2312 | |
2313 | push ebx |
||
2314 | mov ebx, [TASK_BASE] |
||
2315 | mov ebx, [ebx + TASKDATA.pid] |
||
2316 | cmp [eax + SOCKET.PID], ebx |
||
3711 | clevermous | 2317 | pop ebx |
3545 | hidnplayr | 2318 | |
2319 | ret |
||
2320 | |||
2321 | |||
2322 | |||
2323 | |||
2324 | ;------------------------------------------------------ |
||
2325 | ; |
||
2326 | ; SOCKET_process_end |
||
2327 | ; |
||
2328 | ; Kernel calls this function when a certain process ends |
||
2329 | ; This function will check if the process had any open sockets |
||
2330 | ; And update them accordingly |
||
2331 | ; |
||
2332 | ; IN: edx = pid |
||
2333 | ; OUT: / |
||
2334 | ; |
||
2335 | ;------------------------------------------------------ |
||
2336 | align 4 |
||
2337 | SOCKET_process_end: |
||
2338 | |||
3556 | hidnplayr | 2339 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: %x\n", edx |
3545 | hidnplayr | 2340 | |
3647 | hidnplayr | 2341 | pusha |
2342 | mov ecx, socket_mutex |
||
2343 | call mutex_lock |
||
2344 | popa |
||
2345 | |||
3545 | hidnplayr | 2346 | push ebx |
2347 | mov ebx, net_sockets |
||
2348 | |||
2349 | .next_socket: |
||
2350 | mov ebx, [ebx + SOCKET.NextPtr] |
||
2351 | .next_socket_test: |
||
2352 | test ebx, ebx |
||
2353 | jz .done |
||
2354 | |||
2355 | cmp [ebx + SOCKET.PID], edx |
||
2356 | jne .next_socket |
||
2357 | |||
3556 | hidnplayr | 2358 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_process_end: killing socket %x\n", ebx |
3545 | hidnplayr | 2359 | |
2360 | mov [ebx + SOCKET.PID], 0 |
||
2361 | mov eax, ebx |
||
2362 | mov ebx, [ebx + SOCKET.NextPtr] |
||
3648 | hidnplayr | 2363 | |
3545 | hidnplayr | 2364 | pusha |
3652 | hidnplayr | 2365 | cmp [eax + SOCKET.Domain], AF_INET4 |
2366 | jne .free |
||
2367 | |||
2368 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2369 | jne .free |
||
2370 | |||
2371 | call TCP_close |
||
2372 | jmp .closed |
||
2373 | |||
2374 | .free: |
||
2375 | call SOCKET_free |
||
2376 | |||
2377 | .closed: |
||
3545 | hidnplayr | 2378 | popa |
2379 | jmp .next_socket_test |
||
2380 | |||
2381 | .done: |
||
2382 | pop ebx |
||
2383 | |||
3647 | hidnplayr | 2384 | pusha |
2385 | mov ecx, socket_mutex |
||
2386 | call mutex_unlock |
||
2387 | popa |
||
2388 | |||
3545 | hidnplayr | 2389 | ret |
2390 | |||
2391 | |||
2392 | |||
2393 | |||
2394 | ;----------------------------------------------------------------- |
||
2395 | ; |
||
2396 | ; SOCKET_is_connecting |
||
2397 | ; |
||
2398 | ; IN: eax = socket ptr |
||
2399 | ; OUT: / |
||
2400 | ; |
||
2401 | ;----------------------------------------------------------------- |
||
2402 | |||
2403 | align 4 |
||
2404 | SOCKET_is_connecting: |
||
2405 | |||
3556 | hidnplayr | 2406 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connecting: %x\n", eax |
3545 | hidnplayr | 2407 | |
2408 | and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
||
2409 | or [eax + SOCKET.options], SS_ISCONNECTING |
||
2410 | |||
2411 | jmp SOCKET_notify |
||
2412 | |||
2413 | |||
2414 | |||
2415 | ;----------------------------------------------------------------- |
||
2416 | ; |
||
2417 | ; SOCKET_is_connected |
||
2418 | ; |
||
2419 | ; IN: eax = socket ptr |
||
2420 | ; OUT: / |
||
2421 | ; |
||
2422 | ;----------------------------------------------------------------- |
||
2423 | |||
2424 | align 4 |
||
2425 | SOCKET_is_connected: |
||
2426 | |||
3556 | hidnplayr | 2427 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_connected: %x\n", eax |
3545 | hidnplayr | 2428 | |
3674 | hidnplayr | 2429 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
2430 | or [eax + SOCKET.state], SS_ISCONNECTED |
||
3545 | hidnplayr | 2431 | |
2432 | jmp SOCKET_notify |
||
2433 | |||
2434 | |||
2435 | |||
2436 | |||
2437 | ;----------------------------------------------------------------- |
||
2438 | ; |
||
2439 | ; SOCKET_is_disconnecting |
||
2440 | ; |
||
2441 | ; IN: eax = socket ptr |
||
2442 | ; OUT: / |
||
2443 | ; |
||
2444 | ;----------------------------------------------------------------- |
||
2445 | |||
2446 | align 4 |
||
2447 | SOCKET_is_disconnecting: |
||
2448 | |||
3556 | hidnplayr | 2449 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnecting: %x\n", eax |
3545 | hidnplayr | 2450 | |
3674 | hidnplayr | 2451 | and [eax + SOCKET.state], not (SS_ISCONNECTING) |
2452 | or [eax + SOCKET.state], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2453 | |
2454 | jmp SOCKET_notify |
||
2455 | |||
2456 | |||
2457 | |||
2458 | ;----------------------------------------------------------------- |
||
2459 | ; |
||
2460 | ; SOCKET_is_disconnected |
||
2461 | ; |
||
2462 | ; IN: eax = socket ptr |
||
2463 | ; OUT: / |
||
2464 | ; |
||
2465 | ;----------------------------------------------------------------- |
||
2466 | |||
2467 | align 4 |
||
2468 | SOCKET_is_disconnected: |
||
2469 | |||
3556 | hidnplayr | 2470 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_is_disconnected: %x\n", eax |
3545 | hidnplayr | 2471 | |
3674 | hidnplayr | 2472 | and [eax + SOCKET.state], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
2473 | or [eax + SOCKET.state], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
3545 | hidnplayr | 2474 | |
2475 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
||
2476 | je .tcp |
||
2477 | |||
2478 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
||
2479 | je .udp |
||
2480 | |||
2481 | jmp SOCKET_notify |
||
2482 | |||
2483 | .tcp: |
||
2484 | .udp: |
||
2485 | mov [eax + UDP_SOCKET.LocalPort], 0 ; UDP and TCP structs store localport at the same offset |
||
2486 | mov [eax + UDP_SOCKET.RemotePort], 0 |
||
2487 | |||
2488 | jmp SOCKET_notify |
||
2489 | |||
2490 | |||
2491 | ;----------------------------------------------------------------- |
||
2492 | ; |
||
2493 | ; SOCKET_cant_recv_more |
||
2494 | ; |
||
2495 | ; IN: eax = socket ptr |
||
2496 | ; OUT: / |
||
2497 | ; |
||
2498 | ;----------------------------------------------------------------- |
||
2499 | |||
2500 | align 4 |
||
2501 | SOCKET_cant_recv_more: |
||
2502 | |||
3556 | hidnplayr | 2503 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_recv_more: %x\n", eax |
3545 | hidnplayr | 2504 | |
3674 | hidnplayr | 2505 | or [eax + SOCKET.state], SS_CANTRCVMORE |
3545 | hidnplayr | 2506 | |
3565 | hidnplayr | 2507 | call SOCKET_notify |
2508 | |||
3545 | hidnplayr | 2509 | ret |
2510 | |||
2511 | |||
2512 | |||
2513 | ;----------------------------------------------------------------- |
||
2514 | ; |
||
2515 | ; SOCKET_cant_send_more |
||
2516 | ; |
||
2517 | ; IN: eax = socket ptr |
||
2518 | ; OUT: / |
||
2519 | ; |
||
2520 | ;----------------------------------------------------------------- |
||
2521 | |||
2522 | align 4 |
||
2523 | SOCKET_cant_send_more: |
||
2524 | |||
3556 | hidnplayr | 2525 | DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_cant_send_more: %x\n", eax |
3545 | hidnplayr | 2526 | |
3674 | hidnplayr | 2527 | or [eax + SOCKET.state], SS_CANTSENDMORE |
3658 | hidnplayr | 2528 | mov [eax + SOCKET.snd_proc], .notconn |
3545 | hidnplayr | 2529 | |
3565 | hidnplayr | 2530 | call SOCKET_notify |
2531 | |||
3658 | hidnplayr | 2532 | ret |
2533 | |||
2534 | .notconn: |
||
3673 | hidnplayr | 2535 | mov dword[esp+20], ENOTCONN |
3658 | hidnplayr | 2536 | mov dword[esp+32], -1 |
3545 | hidnplayr | 2537 | ret |