Rev 2924 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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1159 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2362 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
1159 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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2888 | hidnplayr | 6 | ;; Part of the tcp/ip network stack for KolibriOS ;; |
7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org, ;; |
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1529 | hidnplayr | 9 | ;; and Clevermouse. ;; |
1159 | hidnplayr | 10 | ;; ;; |
1529 | hidnplayr | 11 | ;; Based on code by mike.dld ;; |
1159 | hidnplayr | 12 | ;; ;; |
1529 | hidnplayr | 13 | ;; GNU GENERAL PUBLIC LICENSE ;; |
14 | ;; Version 2, June 1991 ;; |
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15 | ;; ;; |
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1159 | hidnplayr | 16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
17 | |||
1206 | hidnplayr | 18 | $Revision: 2931 $ |
1159 | hidnplayr | 19 | |
1773 | hidnplayr | 20 | |
2402 | hidnplayr | 21 | struct SOCKET |
1249 | hidnplayr | 22 | |
2402 | hidnplayr | 23 | NextPtr dd ? ; pointer to next socket in list |
24 | PrevPtr dd ? ; pointer to previous socket in list |
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25 | Number dd ? ; socket number |
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1249 | hidnplayr | 26 | |
2402 | hidnplayr | 27 | mutex MUTEX |
1249 | hidnplayr | 28 | |
2402 | hidnplayr | 29 | PID dd ? ; application process id |
30 | Domain dd ? ; INET/UNIX/.. |
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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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2877 | hidnplayr | 34 | device dd ? |
1249 | hidnplayr | 35 | |
2402 | hidnplayr | 36 | options dd ? |
37 | state dd ? |
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38 | backlog dw ? ; how many incomming connections that can be queued |
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1249 | hidnplayr | 39 | |
2402 | hidnplayr | 40 | snd_proc dd ? |
41 | rcv_proc dd ? |
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1536 | hidnplayr | 42 | |
2305 | hidnplayr | 43 | ends |
1249 | hidnplayr | 44 | |
2402 | hidnplayr | 45 | struct IP_SOCKET SOCKET |
1254 | hidnplayr | 46 | |
2402 | hidnplayr | 47 | LocalIP rd 4 |
48 | RemoteIP rd 4 |
||
1318 | hidnplayr | 49 | |
2305 | hidnplayr | 50 | ends |
1159 | hidnplayr | 51 | |
2402 | hidnplayr | 52 | struct TCP_SOCKET IP_SOCKET |
1249 | hidnplayr | 53 | |
2402 | hidnplayr | 54 | LocalPort dw ? |
55 | RemotePort dw ? |
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1514 | hidnplayr | 56 | |
2402 | hidnplayr | 57 | t_state dd ? ; TCB state |
58 | t_rxtshift dd ? |
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59 | t_rxtcur dd ? |
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60 | t_dupacks dd ? |
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61 | t_maxseg dd ? |
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62 | t_force dd ? |
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63 | t_flags dd ? |
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1514 | hidnplayr | 64 | |
65 | ;--------------- |
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66 | ; RFC783 page 21 |
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67 | |||
68 | ; send sequence |
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2402 | hidnplayr | 69 | SND_UNA dd ? ; sequence number of unack'ed sent Packets |
70 | SND_NXT dd ? ; next send sequence number to use |
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2890 | hidnplayr | 71 | SND_UP dd ? ; urgent pointer |
2402 | hidnplayr | 72 | SND_WL1 dd ? ; window minus one |
73 | SND_WL2 dd ? ; |
||
74 | ISS dd ? ; initial send sequence number |
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75 | SND_WND dd ? ; send window |
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1514 | hidnplayr | 76 | |
77 | ; receive sequence |
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2402 | hidnplayr | 78 | RCV_WND dw ? ; receive window |
79 | RCV_NXT dd ? ; next receive sequence number to use |
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2890 | hidnplayr | 80 | RCV_UP dd ? ; urgent pointer |
2402 | hidnplayr | 81 | IRS dd ? ; initial receive sequence number |
1514 | hidnplayr | 82 | |
83 | ;--------------------- |
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84 | ; Additional variables |
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85 | |||
86 | ; receive variables |
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2402 | hidnplayr | 87 | RCV_ADV dd ? |
1514 | hidnplayr | 88 | |
89 | ; retransmit variables |
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2402 | hidnplayr | 90 | SND_MAX dd ? |
1514 | hidnplayr | 91 | |
92 | ; congestion control |
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2402 | hidnplayr | 93 | SND_CWND dd ? |
94 | SND_SSTHRESH dd ? |
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1514 | hidnplayr | 95 | |
96 | ;---------------------- |
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97 | ; Transmit timing stuff |
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2402 | hidnplayr | 98 | t_idle dd ? |
99 | t_rtt dd ? |
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100 | t_rtseq dd ? |
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101 | t_srtt dd ? |
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102 | t_rttvar dd ? |
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103 | t_rttmin dd ? |
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104 | max_sndwnd dd ? |
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1514 | hidnplayr | 105 | |
106 | ;----------------- |
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107 | ; Out-of-band data |
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2402 | hidnplayr | 108 | t_oobflags dd ? |
109 | t_iobc dd ? |
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110 | t_softerror dd ? |
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1514 | hidnplayr | 111 | |
112 | |||
113 | ;--------- |
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2924 | hidnplayr | 114 | ; RFC 1323 ; the order of next 4 elements may not change |
1514 | hidnplayr | 115 | |
2402 | hidnplayr | 116 | SND_SCALE db ? |
117 | RCV_SCALE db ? |
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118 | requested_s_scale db ? |
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119 | request_r_scale db ? |
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1514 | hidnplayr | 120 | |
2924 | hidnplayr | 121 | ts_recent dd ? ; a copy of the most-recent valid timestamp from the other end |
2402 | hidnplayr | 122 | ts_recent_age dd ? |
123 | last_ack_sent dd ? |
||
1519 | hidnplayr | 124 | |
2310 | hidnplayr | 125 | |
1519 | hidnplayr | 126 | ;------- |
127 | ; Timers |
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2402 | hidnplayr | 128 | timer_retransmission dw ? ; rexmt |
129 | timer_persist dw ? |
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130 | timer_keepalive dw ? ; keepalive/syn timeout |
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131 | timer_timed_wait dw ? ; also used as 2msl timer |
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1519 | hidnplayr | 132 | |
2890 | hidnplayr | 133 | ; extra |
134 | |||
2891 | hidnplayr | 135 | sendalot db ? ; also used as 'need output' |
2924 | hidnplayr | 136 | ts_ecr dd ? ; timestamp echo reply |
2890 | hidnplayr | 137 | |
2305 | hidnplayr | 138 | ends |
1249 | hidnplayr | 139 | |
2402 | hidnplayr | 140 | struct UDP_SOCKET IP_SOCKET |
1249 | hidnplayr | 141 | |
2402 | hidnplayr | 142 | LocalPort dw ? |
143 | RemotePort dw ? |
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144 | firstpacket db ? |
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1249 | hidnplayr | 145 | |
2305 | hidnplayr | 146 | ends |
1249 | hidnplayr | 147 | |
148 | |||
2402 | hidnplayr | 149 | struct ICMP_SOCKET IP_SOCKET |
1249 | hidnplayr | 150 | |
2402 | hidnplayr | 151 | Identifier dw ? |
1514 | hidnplayr | 152 | |
2305 | hidnplayr | 153 | ends |
1514 | hidnplayr | 154 | |
155 | |||
2402 | hidnplayr | 156 | struct RING_BUFFER |
2311 | hidnplayr | 157 | |
2402 | hidnplayr | 158 | start_ptr dd ? ; Pointer to start of buffer |
159 | end_ptr dd ? ; pointer to end of buffer |
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160 | read_ptr dd ? ; Read pointer |
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161 | write_ptr dd ? ; Write pointer |
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162 | size dd ? ; Number of bytes buffered |
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2311 | hidnplayr | 163 | |
2305 | hidnplayr | 164 | ends |
1514 | hidnplayr | 165 | |
2402 | hidnplayr | 166 | struct STREAM_SOCKET TCP_SOCKET |
1529 | hidnplayr | 167 | |
2402 | hidnplayr | 168 | rcv RING_BUFFER |
169 | snd RING_BUFFER |
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1529 | hidnplayr | 170 | |
2305 | hidnplayr | 171 | ends |
1529 | hidnplayr | 172 | |
2402 | hidnplayr | 173 | struct socket_queue_entry |
1529 | hidnplayr | 174 | |
2402 | hidnplayr | 175 | data_ptr dd ? |
176 | buf_ptr dd ? |
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177 | data_size dd ? |
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1529 | hidnplayr | 178 | |
1274 | hidnplayr | 179 | ends |
180 | |||
1514 | hidnplayr | 181 | |
2614 | hidnplayr | 182 | SOCKETBUFFSIZE = 4096 ; in bytes |
1514 | hidnplayr | 183 | |
2614 | hidnplayr | 184 | SOCKET_QUEUE_SIZE = 10 ; maximum number ofincoming packets queued for 1 socket |
1514 | hidnplayr | 185 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
2614 | hidnplayr | 186 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
1249 | hidnplayr | 187 | |
1159 | hidnplayr | 188 | uglobal |
2402 | hidnplayr | 189 | net_sockets rd 4 |
190 | last_socket_num dd ? |
||
191 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
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192 | last_TCP_port dw ? ; |
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1159 | hidnplayr | 193 | endg |
194 | |||
195 | |||
1257 | hidnplayr | 196 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 197 | ; |
198 | ; SOCKET_init |
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199 | ; |
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1257 | hidnplayr | 200 | ;----------------------------------------------------------------- |
2402 | hidnplayr | 201 | macro SOCKET_init { |
1159 | hidnplayr | 202 | |
2402 | hidnplayr | 203 | xor eax, eax |
204 | mov edi, net_sockets |
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205 | mov ecx, 5 |
||
206 | rep stosd |
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1159 | hidnplayr | 207 | |
1529 | hidnplayr | 208 | @@: |
2402 | hidnplayr | 209 | pseudo_random eax |
210 | cmp ax, MIN_EPHEMERAL_PORT |
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211 | jb @r |
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212 | cmp ax, MAX_EPHEMERAL_PORT |
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213 | ja @r |
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214 | mov [last_UDP_port], ax |
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1529 | hidnplayr | 215 | |
216 | @@: |
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2402 | hidnplayr | 217 | pseudo_random eax |
218 | cmp ax, MIN_EPHEMERAL_PORT |
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219 | jb @r |
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220 | cmp ax, MAX_EPHEMERAL_PORT |
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221 | ja @r |
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222 | mov [last_TCP_port], ax |
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1529 | hidnplayr | 223 | |
224 | } |
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225 | |||
226 | |||
1257 | hidnplayr | 227 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 228 | ; |
229 | ; Socket API (function 74) |
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230 | ; |
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1257 | hidnplayr | 231 | ;----------------------------------------------------------------- |
2614 | hidnplayr | 232 | align 4 |
233 | sys_socket: |
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234 | |||
235 | cmp ebx, 255 |
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236 | jz SOCKET_debug |
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237 | |||
238 | cmp ebx, .number |
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239 | ja s_error |
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240 | jmp dword [.table + 4*ebx] |
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241 | |||
242 | .table: |
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2402 | hidnplayr | 243 | dd SOCKET_open ; 0 |
244 | dd SOCKET_close ; 1 |
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245 | dd SOCKET_bind ; 2 |
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246 | dd SOCKET_listen ; 3 |
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247 | dd SOCKET_connect ; 4 |
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248 | dd SOCKET_accept ; 5 |
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249 | dd SOCKET_send ; 6 |
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250 | dd SOCKET_receive ; 7 |
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251 | dd SOCKET_set_opt ; 8 |
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252 | dd SOCKET_get_opt ; 9 |
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2614 | hidnplayr | 253 | .number = ($ - .table) / 4 - 1 |
2301 | hidnplayr | 254 | |
1529 | hidnplayr | 255 | s_error: |
2402 | hidnplayr | 256 | DEBUGF 1,"socket error\n" |
257 | mov dword [esp+32], -1 |
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1529 | hidnplayr | 258 | |
2402 | hidnplayr | 259 | ret |
1529 | hidnplayr | 260 | |
1159 | hidnplayr | 261 | |
2301 | hidnplayr | 262 | |
1257 | hidnplayr | 263 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 264 | ; |
265 | ; SOCKET_open |
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266 | ; |
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267 | ; IN: domain in ecx |
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268 | ; type in edx |
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1196 | hidnplayr | 269 | ; protocol in esi |
1159 | hidnplayr | 270 | ; OUT: eax is socket num, -1 on error |
271 | ; |
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1257 | hidnplayr | 272 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 273 | align 4 |
1514 | hidnplayr | 274 | SOCKET_open: |
1159 | hidnplayr | 275 | |
2891 | hidnplayr | 276 | DEBUGF 1,"SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
1159 | hidnplayr | 277 | |
2402 | hidnplayr | 278 | push ecx edx esi |
279 | call SOCKET_alloc |
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280 | pop esi edx ecx |
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281 | jz s_error |
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1159 | hidnplayr | 282 | |
2402 | hidnplayr | 283 | mov [esp+32], edi ; return socketnumber |
1542 | hidnplayr | 284 | |
2402 | hidnplayr | 285 | mov [eax + SOCKET.Domain], ecx |
286 | mov [eax + SOCKET.Type], edx |
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287 | mov [eax + SOCKET.Protocol], esi |
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1159 | hidnplayr | 288 | |
2402 | hidnplayr | 289 | cmp ecx, AF_INET4 |
290 | jne .no_inet4 |
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1529 | hidnplayr | 291 | |
2402 | hidnplayr | 292 | cmp edx, SOCK_DGRAM |
293 | je .udp |
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1536 | hidnplayr | 294 | |
2402 | hidnplayr | 295 | cmp edx, SOCK_STREAM |
296 | je .tcp |
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1529 | hidnplayr | 297 | |
2402 | hidnplayr | 298 | cmp edx, SOCK_RAW |
299 | je .raw |
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1541 | hidnplayr | 300 | |
1536 | hidnplayr | 301 | .no_inet4: |
2931 | hidnplayr | 302 | cmp ecx, AF_PPP |
303 | jne .no_ppp |
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304 | |||
305 | cmp esi, PPP_PROTO_ETHERNET |
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306 | je .pppoe |
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307 | |||
308 | .no_ppp: |
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2402 | hidnplayr | 309 | ret |
1536 | hidnplayr | 310 | |
1542 | hidnplayr | 311 | align 4 |
312 | .raw: |
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2402 | hidnplayr | 313 | test esi, esi ; IP_PROTO_IP |
314 | jz .ip |
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1529 | hidnplayr | 315 | |
2402 | hidnplayr | 316 | cmp esi, IP_PROTO_ICMP |
317 | je .icmp |
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1529 | hidnplayr | 318 | |
2402 | hidnplayr | 319 | cmp esi, IP_PROTO_UDP |
320 | je .udp |
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1533 | hidnplayr | 321 | |
2402 | hidnplayr | 322 | cmp esi, IP_PROTO_TCP |
323 | je .tcp |
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1536 | hidnplayr | 324 | |
2402 | hidnplayr | 325 | ret |
1159 | hidnplayr | 326 | |
1542 | hidnplayr | 327 | align 4 |
1536 | hidnplayr | 328 | .udp: |
2402 | hidnplayr | 329 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
330 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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331 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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332 | ret |
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1529 | hidnplayr | 333 | |
1542 | hidnplayr | 334 | align 4 |
335 | .tcp: |
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2402 | hidnplayr | 336 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
337 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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338 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_tcp |
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1838 | hidnplayr | 339 | |
2612 | hidnplayr | 340 | TCP_init_socket eax |
2402 | hidnplayr | 341 | ret |
1529 | hidnplayr | 342 | |
343 | |||
1543 | hidnplayr | 344 | align 4 |
345 | .ip: |
||
2402 | hidnplayr | 346 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
347 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
348 | ret |
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1541 | hidnplayr | 349 | |
1542 | hidnplayr | 350 | |
351 | align 4 |
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1541 | hidnplayr | 352 | .icmp: |
2402 | hidnplayr | 353 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
354 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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355 | ret |
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1541 | hidnplayr | 356 | |
2931 | hidnplayr | 357 | align 4 |
358 | .pppoe: |
||
359 | push eax |
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360 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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361 | pop eax |
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1541 | hidnplayr | 362 | |
2931 | hidnplayr | 363 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
364 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
365 | ret |
||
1541 | hidnplayr | 366 | |
2931 | hidnplayr | 367 | |
1257 | hidnplayr | 368 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 369 | ; |
370 | ; SOCKET_bind |
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371 | ; |
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372 | ; IN: socket number in ecx |
||
373 | ; pointer to sockaddr struct in edx |
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374 | ; length of that struct in esi |
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375 | ; OUT: 0 on success |
||
376 | ; |
||
1257 | hidnplayr | 377 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 378 | align 4 |
1514 | hidnplayr | 379 | SOCKET_bind: |
1159 | hidnplayr | 380 | |
2891 | hidnplayr | 381 | DEBUGF 1,"SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
1159 | hidnplayr | 382 | |
2402 | hidnplayr | 383 | call SOCKET_num_to_ptr |
384 | jz s_error |
||
1159 | hidnplayr | 385 | |
2402 | hidnplayr | 386 | cmp esi, 2 |
387 | jb s_error |
||
1159 | hidnplayr | 388 | |
2402 | hidnplayr | 389 | cmp word [edx], AF_INET4 |
390 | je .af_inet4 |
||
1159 | hidnplayr | 391 | |
2402 | hidnplayr | 392 | cmp word [edx], AF_UNIX |
393 | je .af_unix |
||
1249 | hidnplayr | 394 | |
2402 | hidnplayr | 395 | jmp s_error |
1249 | hidnplayr | 396 | |
397 | .af_unix: |
||
2402 | hidnplayr | 398 | ; TODO: write code here |
1249 | hidnplayr | 399 | |
2402 | hidnplayr | 400 | mov dword [esp+32], 0 |
401 | ret |
||
1249 | hidnplayr | 402 | |
1159 | hidnplayr | 403 | .af_inet4: |
404 | |||
2402 | hidnplayr | 405 | cmp esi, 6 |
406 | jb s_error |
||
1159 | hidnplayr | 407 | |
2622 | hidnplayr | 408 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
409 | je .udp |
||
1159 | hidnplayr | 410 | |
2622 | hidnplayr | 411 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
412 | je .tcp |
||
1159 | hidnplayr | 413 | |
2622 | hidnplayr | 414 | jmp s_error |
415 | |||
416 | .tcp: |
||
417 | .udp: |
||
418 | |||
419 | mov ebx, [edx + 4] ; First, fill in the IP |
||
420 | test ebx, ebx ; If IP is 0, use default |
||
421 | jnz @f |
||
422 | mov ebx, [NET_DEFAULT] |
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423 | mov ebx, [IP_LIST + 4*ebx] |
||
424 | @@: |
||
425 | mov [eax + IP_SOCKET.LocalIP], ebx |
||
426 | |||
427 | mov bx, [edx + 2] ; Now fill in the port if it's still available |
||
428 | call SOCKET_check_port |
||
429 | jz s_error ; ZF is set by socket_check_port, on error |
||
430 | |||
2891 | hidnplayr | 431 | DEBUGF 1,"SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
2402 | hidnplayr | 432 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
433 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
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1159 | hidnplayr | 434 | |
2402 | hidnplayr | 435 | mov dword [esp+32], 0 |
436 | ret |
||
1159 | hidnplayr | 437 | |
438 | |||
439 | |||
440 | |||
1257 | hidnplayr | 441 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 442 | ; |
443 | ; SOCKET_connect |
||
444 | ; |
||
445 | ; IN: socket number in ecx |
||
446 | ; pointer to sockaddr struct in edx |
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447 | ; length of that struct in esi |
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448 | ; OUT: 0 on success |
||
449 | ; |
||
1257 | hidnplayr | 450 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 451 | align 4 |
1514 | hidnplayr | 452 | SOCKET_connect: |
1159 | hidnplayr | 453 | |
2891 | hidnplayr | 454 | DEBUGF 1,"SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
1159 | hidnplayr | 455 | |
2402 | hidnplayr | 456 | call SOCKET_num_to_ptr |
457 | jz s_error |
||
1159 | hidnplayr | 458 | |
2402 | hidnplayr | 459 | cmp esi, 8 |
460 | jb s_error |
||
1159 | hidnplayr | 461 | |
2402 | hidnplayr | 462 | cmp word [edx], AF_INET4 |
463 | je .af_inet4 |
||
1159 | hidnplayr | 464 | |
2402 | hidnplayr | 465 | jmp s_error |
1159 | hidnplayr | 466 | |
467 | .af_inet4: |
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2402 | hidnplayr | 468 | cmp [eax + IP_SOCKET.LocalIP], 0 |
469 | jne @f |
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470 | push [IP_LIST] |
||
471 | pop [eax + IP_SOCKET.LocalIP] |
||
1543 | hidnplayr | 472 | @@: |
1159 | hidnplayr | 473 | |
2402 | hidnplayr | 474 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
475 | je .udp |
||
1159 | hidnplayr | 476 | |
2402 | hidnplayr | 477 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
478 | je .tcp |
||
1159 | hidnplayr | 479 | |
2402 | hidnplayr | 480 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
481 | je .ip |
||
1541 | hidnplayr | 482 | |
2402 | hidnplayr | 483 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
484 | je .ip |
||
1542 | hidnplayr | 485 | |
2402 | hidnplayr | 486 | jmp s_error |
1159 | hidnplayr | 487 | |
1542 | hidnplayr | 488 | align 4 |
1254 | hidnplayr | 489 | .udp: |
2402 | hidnplayr | 490 | pusha |
491 | lea ecx, [eax + SOCKET.mutex] |
||
492 | call mutex_lock |
||
493 | popa |
||
1543 | hidnplayr | 494 | |
2402 | hidnplayr | 495 | pushw [edx + 2] |
496 | pop [eax + UDP_SOCKET.RemotePort] |
||
1543 | hidnplayr | 497 | |
2402 | hidnplayr | 498 | pushd [edx + 4] |
499 | pop [eax + IP_SOCKET.RemoteIP] |
||
1543 | hidnplayr | 500 | |
2402 | hidnplayr | 501 | cmp [eax + UDP_SOCKET.LocalPort], 0 |
502 | jne @f |
||
503 | call SOCKET_find_port |
||
1543 | hidnplayr | 504 | @@: |
505 | |||
2402 | hidnplayr | 506 | mov [eax + UDP_SOCKET.firstpacket], 0 |
1159 | hidnplayr | 507 | |
2402 | hidnplayr | 508 | push eax |
509 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
510 | pop eax |
||
1159 | hidnplayr | 511 | |
2402 | hidnplayr | 512 | lea ecx, [eax + SOCKET.mutex] |
513 | call mutex_unlock |
||
1159 | hidnplayr | 514 | |
2402 | hidnplayr | 515 | mov dword [esp+32], 0 |
516 | ret |
||
517 | |||
1542 | hidnplayr | 518 | align 4 |
1254 | hidnplayr | 519 | .tcp: |
2402 | hidnplayr | 520 | pusha |
521 | lea ecx, [eax + SOCKET.mutex] |
||
522 | call mutex_lock |
||
523 | popa |
||
1159 | hidnplayr | 524 | |
2402 | hidnplayr | 525 | pushw [edx + 2] |
526 | pop [eax + TCP_SOCKET.RemotePort] |
||
1159 | hidnplayr | 527 | |
2402 | hidnplayr | 528 | pushd [edx + 4] |
529 | pop [eax + IP_SOCKET.RemoteIP] |
||
1159 | hidnplayr | 530 | |
2402 | hidnplayr | 531 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
532 | jne @f |
||
533 | call SOCKET_find_port |
||
1543 | hidnplayr | 534 | @@: |
1159 | hidnplayr | 535 | |
2402 | hidnplayr | 536 | mov [eax + TCP_SOCKET.timer_persist], 0 |
537 | mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT |
||
2612 | hidnplayr | 538 | |
2402 | hidnplayr | 539 | push [TCP_sequence_num] |
540 | add [TCP_sequence_num], 6400 |
||
541 | pop [eax + TCP_SOCKET.ISS] |
||
542 | mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init |
||
1519 | hidnplayr | 543 | |
2612 | hidnplayr | 544 | |
2402 | hidnplayr | 545 | TCP_sendseqinit eax |
1529 | hidnplayr | 546 | |
1543 | hidnplayr | 547 | ; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer |
1533 | hidnplayr | 548 | |
2402 | hidnplayr | 549 | mov ebx, eax |
1159 | hidnplayr | 550 | |
2402 | hidnplayr | 551 | lea eax, [ebx + STREAM_SOCKET.snd] |
552 | call SOCKET_ring_create |
||
1543 | hidnplayr | 553 | |
2402 | hidnplayr | 554 | lea eax, [ebx + STREAM_SOCKET.rcv] |
555 | call SOCKET_ring_create |
||
1543 | hidnplayr | 556 | |
2402 | hidnplayr | 557 | pusha |
2403 | hidnplayr | 558 | lea ecx, [eax + SOCKET.mutex] |
2402 | hidnplayr | 559 | call mutex_unlock |
560 | popa |
||
1733 | hidnplayr | 561 | |
2402 | hidnplayr | 562 | mov eax, ebx |
563 | call TCP_output |
||
1733 | hidnplayr | 564 | |
2402 | hidnplayr | 565 | mov dword [esp+32], 0 |
566 | ret |
||
1159 | hidnplayr | 567 | |
1542 | hidnplayr | 568 | align 4 |
569 | .ip: |
||
2402 | hidnplayr | 570 | pusha |
571 | lea ecx, [eax + SOCKET.mutex] |
||
572 | call mutex_lock |
||
573 | popa |
||
1543 | hidnplayr | 574 | |
2402 | hidnplayr | 575 | pushd [edx + 4] |
576 | pop [eax + IP_SOCKET.RemoteIP] |
||
1159 | hidnplayr | 577 | |
2402 | hidnplayr | 578 | push eax |
579 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
580 | pop eax |
||
1543 | hidnplayr | 581 | |
2402 | hidnplayr | 582 | lea ecx, [eax + SOCKET.mutex] |
583 | call mutex_unlock |
||
1541 | hidnplayr | 584 | |
2402 | hidnplayr | 585 | mov dword [esp+32], 0 |
586 | ret |
||
1541 | hidnplayr | 587 | |
2402 | hidnplayr | 588 | |
1257 | hidnplayr | 589 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 590 | ; |
591 | ; SOCKET_listen |
||
592 | ; |
||
593 | ; IN: socket number in ecx |
||
594 | ; backlog in edx |
||
595 | ; OUT: eax is socket num, -1 on error |
||
596 | ; |
||
1257 | hidnplayr | 597 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 598 | align 4 |
1514 | hidnplayr | 599 | SOCKET_listen: |
1159 | hidnplayr | 600 | |
2891 | hidnplayr | 601 | DEBUGF 1,"SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
1159 | hidnplayr | 602 | |
2402 | hidnplayr | 603 | call SOCKET_num_to_ptr |
604 | jz s_error |
||
1159 | hidnplayr | 605 | |
2402 | hidnplayr | 606 | cmp [eax + SOCKET.Domain], AF_INET4 |
607 | jne s_error |
||
1254 | hidnplayr | 608 | |
2402 | hidnplayr | 609 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
610 | jne s_error |
||
1254 | hidnplayr | 611 | |
2402 | hidnplayr | 612 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
613 | je s_error |
||
1514 | hidnplayr | 614 | |
2402 | hidnplayr | 615 | cmp [eax + IP_SOCKET.LocalIP], 0 |
616 | jne @f |
||
617 | push [IP_LIST] |
||
618 | pop [eax + IP_SOCKET.LocalIP] |
||
1543 | hidnplayr | 619 | @@: |
620 | |||
2402 | hidnplayr | 621 | cmp edx, MAX_backlog |
622 | jbe @f |
||
623 | mov edx, MAX_backlog |
||
1543 | hidnplayr | 624 | @@: |
1159 | hidnplayr | 625 | |
2402 | hidnplayr | 626 | mov [eax + SOCKET.backlog], dx |
627 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
628 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
2880 | hidnplayr | 629 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
1159 | hidnplayr | 630 | |
2402 | hidnplayr | 631 | push eax |
632 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
633 | pop eax |
||
1543 | hidnplayr | 634 | |
2402 | hidnplayr | 635 | mov dword [esp+32], 0 |
1514 | hidnplayr | 636 | |
2402 | hidnplayr | 637 | ret |
1159 | hidnplayr | 638 | |
639 | |||
1257 | hidnplayr | 640 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 641 | ; |
642 | ; SOCKET_accept |
||
643 | ; |
||
644 | ; IN: socket number in ecx |
||
645 | ; addr in edx |
||
646 | ; addrlen in esi |
||
647 | ; OUT: eax is socket num, -1 on error |
||
648 | ; |
||
1257 | hidnplayr | 649 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 650 | align 4 |
1514 | hidnplayr | 651 | SOCKET_accept: |
1159 | hidnplayr | 652 | |
2891 | hidnplayr | 653 | DEBUGF 1,"SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
1159 | hidnplayr | 654 | |
2402 | hidnplayr | 655 | call SOCKET_num_to_ptr |
656 | jz s_error |
||
1159 | hidnplayr | 657 | |
2402 | hidnplayr | 658 | test [eax + SOCKET.options], SO_ACCEPTCON |
659 | jz s_error |
||
1543 | hidnplayr | 660 | |
2402 | hidnplayr | 661 | cmp [eax + SOCKET.Domain], AF_INET4 |
662 | jne s_error |
||
1249 | hidnplayr | 663 | |
2402 | hidnplayr | 664 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
665 | jne s_error |
||
1249 | hidnplayr | 666 | |
2402 | hidnplayr | 667 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, s_error |
2572 | hidnplayr | 668 | mov eax, [esi] |
1249 | hidnplayr | 669 | |
2572 | hidnplayr | 670 | ; Change PID to that of the current process |
671 | mov ebx, [TASK_BASE] |
||
672 | mov ebx, [ebx + TASKDATA.pid] |
||
673 | mov [eax + SOCKET.PID], ebx |
||
674 | |||
2402 | hidnplayr | 675 | call SOCKET_ptr_to_num |
676 | jz s_error |
||
677 | mov [esp+32], eax |
||
678 | ret |
||
1514 | hidnplayr | 679 | |
1159 | hidnplayr | 680 | |
1257 | hidnplayr | 681 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 682 | ; |
683 | ; SOCKET_close |
||
684 | ; |
||
685 | ; IN: socket number in ecx |
||
686 | ; OUT: eax is socket num, -1 on error |
||
687 | ; |
||
1257 | hidnplayr | 688 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 689 | align 4 |
1514 | hidnplayr | 690 | SOCKET_close: |
1159 | hidnplayr | 691 | |
2891 | hidnplayr | 692 | DEBUGF 1,"SOCKET_close: %u\n", ecx |
1159 | hidnplayr | 693 | |
2402 | hidnplayr | 694 | call SOCKET_num_to_ptr |
695 | jz s_error |
||
1159 | hidnplayr | 696 | |
2402 | hidnplayr | 697 | cmp [eax + SOCKET.Domain], AF_INET4 |
698 | jne s_error |
||
1159 | hidnplayr | 699 | |
2402 | hidnplayr | 700 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
701 | je .free |
||
1159 | hidnplayr | 702 | |
2402 | hidnplayr | 703 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
704 | je .free |
||
1159 | hidnplayr | 705 | |
2402 | hidnplayr | 706 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
707 | je .free |
||
1542 | hidnplayr | 708 | |
2402 | hidnplayr | 709 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
710 | je .tcp |
||
1159 | hidnplayr | 711 | |
2402 | hidnplayr | 712 | jmp s_error |
1159 | hidnplayr | 713 | |
714 | .tcp: |
||
2402 | hidnplayr | 715 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
716 | jb .free |
||
1318 | hidnplayr | 717 | |
2890 | hidnplayr | 718 | call TCP_usrclosed |
2891 | hidnplayr | 719 | call TCP_output ;;;; Fixme: is this nescessary?? |
2402 | hidnplayr | 720 | mov dword [esp+32], 0 |
1159 | hidnplayr | 721 | |
2402 | hidnplayr | 722 | ret |
1159 | hidnplayr | 723 | |
1514 | hidnplayr | 724 | .free: |
2402 | hidnplayr | 725 | call SOCKET_free |
726 | mov dword [esp+32], 0 |
||
1159 | hidnplayr | 727 | |
2402 | hidnplayr | 728 | ret |
1159 | hidnplayr | 729 | |
730 | |||
1257 | hidnplayr | 731 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 732 | ; |
733 | ; SOCKET_receive |
||
734 | ; |
||
735 | ; IN: socket number in ecx |
||
1249 | hidnplayr | 736 | ; addr to buffer in edx |
737 | ; length of buffer in esi |
||
1159 | hidnplayr | 738 | ; flags in edi |
739 | ; OUT: eax is number of bytes copied, -1 on error |
||
740 | ; |
||
1257 | hidnplayr | 741 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 742 | align 4 |
1514 | hidnplayr | 743 | SOCKET_receive: |
1159 | hidnplayr | 744 | |
2891 | hidnplayr | 745 | DEBUGF 1,"SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
1514 | hidnplayr | 746 | |
2402 | hidnplayr | 747 | call SOCKET_num_to_ptr |
748 | jz s_error |
||
1159 | hidnplayr | 749 | |
2402 | hidnplayr | 750 | jmp [eax + SOCKET.rcv_proc] |
1533 | hidnplayr | 751 | |
1536 | hidnplayr | 752 | |
753 | align 4 |
||
1541 | hidnplayr | 754 | SOCKET_receive_dgram: |
1536 | hidnplayr | 755 | |
2402 | hidnplayr | 756 | DEBUGF 1,"SOCKET_receive: DGRAM\n" |
1536 | hidnplayr | 757 | |
2402 | hidnplayr | 758 | mov ebx, esi |
759 | mov edi, edx ; addr to buffer |
||
1159 | hidnplayr | 760 | |
2402 | hidnplayr | 761 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, s_error ; destroys esi and ecx |
1536 | hidnplayr | 762 | |
2402 | hidnplayr | 763 | mov ecx, [esi + socket_queue_entry.data_size] |
2891 | hidnplayr | 764 | DEBUGF 1,"SOCKET_receive: %u bytes data\n", ecx |
1159 | hidnplayr | 765 | |
2402 | hidnplayr | 766 | cmp ecx, ebx |
767 | ja .too_small |
||
1514 | hidnplayr | 768 | |
2402 | hidnplayr | 769 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
770 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
2891 | hidnplayr | 771 | DEBUGF 1,"SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
2402 | hidnplayr | 772 | mov [esp+32+4], ecx ; return number of bytes copied |
1159 | hidnplayr | 773 | |
1514 | hidnplayr | 774 | ; copy the data |
2402 | hidnplayr | 775 | shr ecx, 1 |
776 | jnc .nb |
||
777 | movsb |
||
1536 | hidnplayr | 778 | .nb: |
2402 | hidnplayr | 779 | shr ecx, 1 |
780 | jnc .nw |
||
781 | movsw |
||
1536 | hidnplayr | 782 | .nw: |
2402 | hidnplayr | 783 | test ecx, ecx |
784 | jz .nd |
||
785 | rep movsd |
||
1536 | hidnplayr | 786 | .nd: |
1159 | hidnplayr | 787 | |
2402 | hidnplayr | 788 | call kernel_free ; remove the packet |
789 | ret |
||
1514 | hidnplayr | 790 | |
1536 | hidnplayr | 791 | .too_small: |
1533 | hidnplayr | 792 | |
2891 | hidnplayr | 793 | DEBUGF 1,"SOCKET_receive: Buffer too small\n" |
2402 | hidnplayr | 794 | jmp s_error |
1536 | hidnplayr | 795 | |
796 | align 4 |
||
797 | SOCKET_receive_tcp: |
||
798 | |||
2402 | hidnplayr | 799 | DEBUGF 1,"SOCKET_receive: TCP\n" |
1536 | hidnplayr | 800 | |
2402 | hidnplayr | 801 | mov ecx, esi |
802 | mov edi, edx |
||
803 | add eax, STREAM_SOCKET.rcv |
||
2893 | hidnplayr | 804 | xor edx, edx |
2402 | hidnplayr | 805 | call SOCKET_ring_read |
806 | call SOCKET_ring_free |
||
1533 | hidnplayr | 807 | |
2402 | hidnplayr | 808 | mov [esp+32], ecx ; return number of bytes copied |
1533 | hidnplayr | 809 | |
2402 | hidnplayr | 810 | ret |
1159 | hidnplayr | 811 | |
812 | |||
1257 | hidnplayr | 813 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 814 | ; |
815 | ; SOCKET_send |
||
816 | ; |
||
817 | ; |
||
818 | ; IN: socket number in ecx |
||
1206 | hidnplayr | 819 | ; pointer to data in edx |
820 | ; datalength in esi |
||
1159 | hidnplayr | 821 | ; flags in edi |
822 | ; OUT: -1 on error |
||
823 | ; |
||
1257 | hidnplayr | 824 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 825 | align 4 |
1514 | hidnplayr | 826 | SOCKET_send: |
1159 | hidnplayr | 827 | |
2891 | hidnplayr | 828 | DEBUGF 1,"SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
1159 | hidnplayr | 829 | |
2402 | hidnplayr | 830 | call SOCKET_num_to_ptr |
831 | jz s_error |
||
1159 | hidnplayr | 832 | |
2402 | hidnplayr | 833 | mov ecx, esi |
834 | mov esi, edx |
||
1763 | hidnplayr | 835 | |
2402 | hidnplayr | 836 | jmp [eax + SOCKET.snd_proc] |
1206 | hidnplayr | 837 | |
838 | |||
1536 | hidnplayr | 839 | align 4 |
840 | SOCKET_send_udp: |
||
1529 | hidnplayr | 841 | |
2402 | hidnplayr | 842 | DEBUGF 1,"SOCKET_send: UDP\n" |
1159 | hidnplayr | 843 | |
2573 | hidnplayr | 844 | mov [esp+32], ecx |
2402 | hidnplayr | 845 | call UDP_output |
2573 | hidnplayr | 846 | cmp eax, -1 |
847 | je s_error |
||
2402 | hidnplayr | 848 | ret |
1159 | hidnplayr | 849 | |
850 | |||
1536 | hidnplayr | 851 | align 4 |
852 | SOCKET_send_tcp: |
||
1254 | hidnplayr | 853 | |
2402 | hidnplayr | 854 | DEBUGF 1,"SOCKET_send: TCP\n" |
1254 | hidnplayr | 855 | |
2402 | hidnplayr | 856 | push eax |
857 | add eax, STREAM_SOCKET.snd |
||
858 | call SOCKET_ring_write |
||
859 | pop eax |
||
1536 | hidnplayr | 860 | |
2621 | hidnplayr | 861 | mov [esp+32], ecx |
862 | |||
2402 | hidnplayr | 863 | call TCP_output |
864 | ret |
||
1159 | hidnplayr | 865 | |
1249 | hidnplayr | 866 | |
1543 | hidnplayr | 867 | align 4 |
868 | SOCKET_send_ip: |
||
1249 | hidnplayr | 869 | |
2891 | hidnplayr | 870 | DEBUGF 1,"SOCKET_send: IPv4\n" |
1543 | hidnplayr | 871 | |
2573 | hidnplayr | 872 | mov [esp+32], ecx |
2402 | hidnplayr | 873 | call IPv4_output_raw |
2573 | hidnplayr | 874 | cmp eax, -1 |
875 | je s_error |
||
2402 | hidnplayr | 876 | ret |
1543 | hidnplayr | 877 | |
2573 | hidnplayr | 878 | |
1541 | hidnplayr | 879 | align 4 |
880 | SOCKET_send_icmp: |
||
1249 | hidnplayr | 881 | |
2402 | hidnplayr | 882 | DEBUGF 1,"SOCKET_send: ICMP\n" |
1541 | hidnplayr | 883 | |
2573 | hidnplayr | 884 | mov [esp+32], ecx |
2402 | hidnplayr | 885 | call ICMP_output_raw |
2573 | hidnplayr | 886 | cmp eax, -1 |
887 | je s_error |
||
2402 | hidnplayr | 888 | ret |
1541 | hidnplayr | 889 | |
890 | |||
2931 | hidnplayr | 891 | align 4 |
892 | SOCKET_send_pppoe: |
||
1541 | hidnplayr | 893 | |
2931 | hidnplayr | 894 | DEBUGF 1,"SOCKET_send: PPPoE\n" |
1541 | hidnplayr | 895 | |
2931 | hidnplayr | 896 | mov [esp+32], ecx |
897 | mov ebx, [eax + SOCKET.device] |
||
898 | |||
899 | mov ecx, esi |
||
900 | call PPPoE_discovery_output |
||
901 | cmp eax, -1 |
||
902 | je s_error |
||
903 | ret |
||
904 | |||
905 | |||
906 | |||
907 | |||
1257 | hidnplayr | 908 | ;----------------------------------------------------------------- |
1256 | clevermous | 909 | ; |
1257 | hidnplayr | 910 | ; SOCKET_get_options |
1256 | clevermous | 911 | ; |
1514 | hidnplayr | 912 | ; IN: ecx = socket number |
913 | ; edx = pointer to the options: |
||
1257 | hidnplayr | 914 | ; dd level, optname, optval, optlen |
1256 | clevermous | 915 | ; OUT: -1 on error |
916 | ; |
||
917 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
918 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1831 | hidnplayr | 919 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
1256 | clevermous | 920 | ; |
1257 | hidnplayr | 921 | ;----------------------------------------------------------------- |
922 | align 4 |
||
1514 | hidnplayr | 923 | SOCKET_get_opt: |
1257 | hidnplayr | 924 | |
2402 | hidnplayr | 925 | DEBUGF 1,"SOCKET_get_opt\n" |
1514 | hidnplayr | 926 | |
2402 | hidnplayr | 927 | call SOCKET_num_to_ptr |
928 | jz s_error |
||
1514 | hidnplayr | 929 | |
2402 | hidnplayr | 930 | cmp dword [edx], IP_PROTO_TCP |
931 | jne s_error |
||
932 | cmp dword [edx+4], -2 |
||
933 | je @f |
||
934 | cmp dword [edx+4], -3 |
||
935 | jne s_error |
||
1299 | clevermous | 936 | @@: |
1514 | hidnplayr | 937 | ; mov eax, [edx+12] |
938 | ; test eax, eax |
||
939 | ; jz .fail |
||
940 | ; cmp dword [eax], 4 |
||
941 | ; mov dword [eax], 4 |
||
942 | ; jb .fail |
||
943 | ; stdcall net_socket_num_to_addr, ecx |
||
944 | ; test eax, eax |
||
945 | ; jz .fail |
||
946 | ; ; todo: check that eax is really TCP socket |
||
947 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
948 | ; cmp dword [edx+4], -2 |
||
949 | ; jz @f |
||
950 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1299 | clevermous | 951 | @@: |
2402 | hidnplayr | 952 | mov eax, [edx+8] |
953 | test eax, eax |
||
954 | jz @f |
||
955 | mov [eax], ecx |
||
1256 | clevermous | 956 | @@: |
2402 | hidnplayr | 957 | mov dword [esp+32], 0 |
958 | ret |
||
1159 | hidnplayr | 959 | |
960 | |||
1529 | hidnplayr | 961 | |
2731 | hidnplayr | 962 | ;----------------------------------------------------------------- |
963 | ; |
||
964 | ; SOCKET_set_options |
||
965 | ; |
||
966 | ; IN: ecx = socket number |
||
967 | ; edx = pointer to the options: |
||
2877 | hidnplayr | 968 | ; dd level, optname, optlen, optval |
2731 | hidnplayr | 969 | ; OUT: -1 on error |
970 | ; |
||
971 | ;----------------------------------------------------------------- |
||
1542 | hidnplayr | 972 | align 4 |
973 | SOCKET_set_opt: |
||
974 | |||
2731 | hidnplayr | 975 | DEBUGF 1,"SOCKET_set_opt\n" |
976 | |||
977 | call SOCKET_num_to_ptr |
||
978 | jz s_error |
||
979 | |||
2877 | hidnplayr | 980 | cmp dword [edx], SOL_SOCKET |
981 | jne s_error |
||
2731 | hidnplayr | 982 | |
2877 | hidnplayr | 983 | cmp dword [edx+4], SO_BINDTODEVICE |
984 | je .bind |
||
2731 | hidnplayr | 985 | |
2877 | hidnplayr | 986 | jmp s_error |
987 | |||
988 | .bind: |
||
989 | cmp dword [edx+8], 0 |
||
990 | je .unbind |
||
991 | |||
992 | movzx edx, byte [edx + 9] |
||
993 | cmp edx, MAX_NET_DEVICES |
||
994 | ja s_error |
||
995 | |||
996 | mov edx, [NET_DRV_LIST + 4*edx] |
||
997 | test edx, edx |
||
998 | jz s_error |
||
999 | mov [eax + SOCKET.device], edx |
||
1000 | |||
2891 | hidnplayr | 1001 | DEBUGF 1,"SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
2877 | hidnplayr | 1002 | |
1003 | mov dword [esp+32], 0 ; success! |
||
2402 | hidnplayr | 1004 | ret |
1542 | hidnplayr | 1005 | |
2877 | hidnplayr | 1006 | .unbind: |
1007 | mov [eax + SOCKET.device], 0 |
||
1542 | hidnplayr | 1008 | |
2877 | hidnplayr | 1009 | mov dword [esp+32], 0 ; success! |
1010 | ret |
||
1542 | hidnplayr | 1011 | |
2877 | hidnplayr | 1012 | |
1013 | |||
1257 | hidnplayr | 1014 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 1015 | ; |
1529 | hidnplayr | 1016 | ; SOCKET_debug |
1017 | ; |
||
1018 | ; Copies socket variables to application buffer |
||
1019 | ; |
||
1020 | ; IN: ecx = socket number |
||
1021 | ; edx = pointer to buffer |
||
1022 | ; |
||
1023 | ; OUT: -1 on error |
||
1024 | ;----------------------------------------------------------------- |
||
1025 | align 4 |
||
1026 | SOCKET_debug: |
||
1027 | |||
2891 | hidnplayr | 1028 | DEBUGF 1,"SOCKET_debug\n" |
1529 | hidnplayr | 1029 | |
2402 | hidnplayr | 1030 | call SOCKET_num_to_ptr |
1031 | jz s_error |
||
1529 | hidnplayr | 1032 | |
2402 | hidnplayr | 1033 | mov esi, eax |
1034 | mov edi, edx |
||
1035 | mov ecx, SOCKETBUFFSIZE/4 |
||
1036 | rep movsd |
||
1529 | hidnplayr | 1037 | |
2402 | hidnplayr | 1038 | mov dword [esp+32], 0 |
1039 | ret |
||
1529 | hidnplayr | 1040 | |
1041 | |||
1042 | ;----------------------------------------------------------------- |
||
1043 | ; |
||
1514 | hidnplayr | 1044 | ; SOCKET_find_port |
1206 | hidnplayr | 1045 | ; |
1514 | hidnplayr | 1046 | ; Fills in the local port number for TCP and UDP sockets |
1047 | ; This procedure always works because the number of sockets is |
||
1048 | ; limited to a smaller number then the number of possible ports |
||
1206 | hidnplayr | 1049 | ; |
1514 | hidnplayr | 1050 | ; IN: eax = socket pointer |
1051 | ; OUT: / |
||
1206 | hidnplayr | 1052 | ; |
1257 | hidnplayr | 1053 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 1054 | align 4 |
1514 | hidnplayr | 1055 | SOCKET_find_port: |
1159 | hidnplayr | 1056 | |
2402 | hidnplayr | 1057 | DEBUGF 1,"SOCKET_find_port\n" |
1159 | hidnplayr | 1058 | |
2402 | hidnplayr | 1059 | push ebx esi ecx |
1514 | hidnplayr | 1060 | |
2402 | hidnplayr | 1061 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
1062 | je .udp |
||
1159 | hidnplayr | 1063 | |
2402 | hidnplayr | 1064 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1065 | je .tcp |
||
1159 | hidnplayr | 1066 | |
2402 | hidnplayr | 1067 | jmp .error |
1514 | hidnplayr | 1068 | |
1069 | .done: |
||
2402 | hidnplayr | 1070 | mov [eax + UDP_SOCKET.LocalPort], bx |
1514 | hidnplayr | 1071 | .error: |
2402 | hidnplayr | 1072 | pop ecx esi ebx |
1073 | ret |
||
1514 | hidnplayr | 1074 | |
1206 | hidnplayr | 1075 | .udp: |
2402 | hidnplayr | 1076 | mov bx, [last_UDP_port] |
1077 | call .findit |
||
1078 | mov [last_UDP_port], bx |
||
1079 | jmp .done |
||
1206 | hidnplayr | 1080 | |
1081 | .tcp: |
||
2402 | hidnplayr | 1082 | mov bx, [last_TCP_port] |
1083 | call .findit |
||
1084 | mov [last_TCP_port], bx |
||
1085 | jmp .done |
||
1206 | hidnplayr | 1086 | |
1087 | |||
1514 | hidnplayr | 1088 | .restart: |
2402 | hidnplayr | 1089 | mov bx, MIN_EPHEMERAL_PORT |
1514 | hidnplayr | 1090 | .findit: |
2402 | hidnplayr | 1091 | inc bx |
1206 | hidnplayr | 1092 | |
2402 | hidnplayr | 1093 | cmp bx, MAX_EPHEMERAL_PORT |
1094 | jz .restart |
||
1206 | hidnplayr | 1095 | |
2402 | hidnplayr | 1096 | call SOCKET_check_port |
1097 | jz .findit |
||
1206 | hidnplayr | 1098 | |
2402 | hidnplayr | 1099 | ret |
1206 | hidnplayr | 1100 | |
1257 | hidnplayr | 1101 | |
1102 | |||
1103 | ;----------------------------------------------------------------- |
||
1206 | hidnplayr | 1104 | ; |
1542 | hidnplayr | 1105 | ; SOCKET_check_port (to be used with AF_INET only!) |
1206 | hidnplayr | 1106 | ; |
1514 | hidnplayr | 1107 | ; Checks if a local port number is unused |
1108 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1206 | hidnplayr | 1109 | ; |
1514 | hidnplayr | 1110 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
1111 | ; bx = proposed socket number |
||
1206 | hidnplayr | 1112 | ; |
1514 | hidnplayr | 1113 | ; OUT: ZF = cleared on error |
1114 | ; |
||
1257 | hidnplayr | 1115 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 1116 | align 4 |
1514 | hidnplayr | 1117 | SOCKET_check_port: |
1118 | |||
2891 | hidnplayr | 1119 | DEBUGF 1,"SOCKET_check_port: " |
1514 | hidnplayr | 1120 | |
2402 | hidnplayr | 1121 | mov ecx, [eax + SOCKET.Protocol] |
2622 | hidnplayr | 1122 | mov edx, [eax + IP_SOCKET.LocalIP] |
2402 | hidnplayr | 1123 | mov esi, net_sockets |
1206 | hidnplayr | 1124 | |
1125 | .next_socket: |
||
2402 | hidnplayr | 1126 | mov esi, [esi + SOCKET.NextPtr] |
1127 | or esi, esi |
||
1128 | jz .port_ok |
||
1206 | hidnplayr | 1129 | |
2402 | hidnplayr | 1130 | cmp [esi + SOCKET.Protocol], ecx |
1131 | jne .next_socket |
||
1206 | hidnplayr | 1132 | |
2622 | hidnplayr | 1133 | cmp [esi + IP_SOCKET.LocalIP], edx |
1134 | jne .next_socket |
||
1135 | |||
2402 | hidnplayr | 1136 | cmp [esi + UDP_SOCKET.LocalPort], bx |
1137 | jne .next_socket |
||
1206 | hidnplayr | 1138 | |
2402 | hidnplayr | 1139 | DEBUGF 1,"local port %u already in use\n", bx |
1140 | ret |
||
1206 | hidnplayr | 1141 | |
1142 | .port_ok: |
||
2891 | hidnplayr | 1143 | DEBUGF 1,"local port %u is free\n", bx |
2402 | hidnplayr | 1144 | mov [eax + UDP_SOCKET.LocalPort], bx |
1145 | or bx, bx ; set the zero-flag |
||
1514 | hidnplayr | 1146 | |
2402 | hidnplayr | 1147 | ret |
1206 | hidnplayr | 1148 | |
1149 | |||
1257 | hidnplayr | 1150 | |
1151 | ;----------------------------------------------------------------- |
||
1206 | hidnplayr | 1152 | ; |
1514 | hidnplayr | 1153 | ; SOCKET_input |
1206 | hidnplayr | 1154 | ; |
1536 | hidnplayr | 1155 | ; Updates a (stateless) socket with received data |
1206 | hidnplayr | 1156 | ; |
1514 | hidnplayr | 1157 | ; Note: the mutex should already be set ! |
1206 | hidnplayr | 1158 | ; |
1249 | hidnplayr | 1159 | ; IN: eax = socket ptr |
1514 | hidnplayr | 1160 | ; ecx = data size |
1161 | ; esi = ptr to data |
||
1162 | ; [esp] = ptr to buf |
||
1163 | ; [esp + 4] = buf size |
||
1249 | hidnplayr | 1164 | ; |
1514 | hidnplayr | 1165 | ; OUT: / |
1206 | hidnplayr | 1166 | ; |
1257 | hidnplayr | 1167 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 1168 | align 4 |
1514 | hidnplayr | 1169 | SOCKET_input: |
1206 | hidnplayr | 1170 | |
2402 | hidnplayr | 1171 | DEBUGF 1,"SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
1206 | hidnplayr | 1172 | |
2402 | hidnplayr | 1173 | mov [esp+4], ecx |
1174 | push esi |
||
1175 | mov esi, esp |
||
1514 | hidnplayr | 1176 | |
2402 | hidnplayr | 1177 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
1514 | hidnplayr | 1178 | |
2402 | hidnplayr | 1179 | DEBUGF 1,"SOCKET_input: queued packet successfully\n" |
1180 | add esp, sizeof.socket_queue_entry |
||
1206 | hidnplayr | 1181 | |
2402 | hidnplayr | 1182 | pusha |
1183 | lea ecx, [eax + SOCKET.mutex] |
||
1184 | call mutex_unlock |
||
1185 | popa |
||
1186 | |||
1187 | jmp SOCKET_notify_owner |
||
1188 | |||
1514 | hidnplayr | 1189 | .full: |
2402 | hidnplayr | 1190 | DEBUGF 2,"SOCKET_input: socket %x is full!\n", eax |
1206 | hidnplayr | 1191 | |
2402 | hidnplayr | 1192 | pusha |
1193 | lea ecx, [eax + SOCKET.mutex] |
||
1194 | call mutex_unlock |
||
1195 | popa |
||
1514 | hidnplayr | 1196 | |
2402 | hidnplayr | 1197 | call kernel_free |
1198 | add esp, 8 |
||
1533 | hidnplayr | 1199 | |
2402 | hidnplayr | 1200 | ret |
1201 | |||
1202 | |||
1533 | hidnplayr | 1203 | ;-------------------------- |
1204 | ; |
||
1205 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1206 | ; |
||
1207 | align 4 |
||
1208 | SOCKET_ring_create: |
||
1209 | |||
2402 | hidnplayr | 1210 | push esi |
1211 | mov esi, eax |
||
1543 | hidnplayr | 1212 | |
2402 | hidnplayr | 1213 | push edx |
1214 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1215 | pop edx |
||
1533 | hidnplayr | 1216 | |
2402 | hidnplayr | 1217 | DEBUGF 1,"SOCKET_ring_created: %x\n", eax |
1218 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1219 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1220 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1221 | mov [esi + RING_BUFFER.size], 0 |
||
2888 | hidnplayr | 1222 | add eax, SOCKET_MAXDATA |
2402 | hidnplayr | 1223 | mov [esi + RING_BUFFER.end_ptr], eax |
1224 | mov eax, esi |
||
1225 | pop esi |
||
1533 | hidnplayr | 1226 | |
2402 | hidnplayr | 1227 | ret |
1533 | hidnplayr | 1228 | |
1514 | hidnplayr | 1229 | ;----------------------------------------------------------------- |
1230 | ; |
||
1533 | hidnplayr | 1231 | ; SOCKET_ring_write |
1529 | hidnplayr | 1232 | ; |
1533 | hidnplayr | 1233 | ; Adds data to a stream socket, and updates write pointer and size |
1529 | hidnplayr | 1234 | ; |
1235 | ; IN: eax = ptr to ring struct |
||
1236 | ; ecx = data size |
||
1237 | ; esi = ptr to data |
||
1238 | ; |
||
1533 | hidnplayr | 1239 | ; OUT: ecx = number of bytes stored |
1529 | hidnplayr | 1240 | ; |
1241 | ;----------------------------------------------------------------- |
||
1242 | align 4 |
||
1533 | hidnplayr | 1243 | SOCKET_ring_write: |
1529 | hidnplayr | 1244 | |
2402 | hidnplayr | 1245 | DEBUGF 1,"SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
1529 | hidnplayr | 1246 | |
2402 | hidnplayr | 1247 | add [eax + RING_BUFFER.size], ecx |
2573 | hidnplayr | 1248 | jc .way_too_large |
2402 | hidnplayr | 1249 | cmp [eax + RING_BUFFER.size], SOCKET_MAXDATA |
1250 | ja .too_large |
||
1529 | hidnplayr | 1251 | |
1252 | .copy: |
||
2402 | hidnplayr | 1253 | mov edi, [eax + RING_BUFFER.write_ptr] |
1254 | DEBUGF 2,"SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
||
1529 | hidnplayr | 1255 | |
2402 | hidnplayr | 1256 | push ecx |
1257 | shr ecx, 1 |
||
1258 | jnc .nb |
||
1259 | movsb |
||
1536 | hidnplayr | 1260 | .nb: |
2402 | hidnplayr | 1261 | shr ecx, 1 |
1262 | jnc .nw |
||
1263 | movsw |
||
1536 | hidnplayr | 1264 | .nw: |
2402 | hidnplayr | 1265 | test ecx, ecx |
1266 | jz .nd |
||
1267 | rep movsd |
||
1536 | hidnplayr | 1268 | .nd: |
2402 | hidnplayr | 1269 | pop ecx |
1529 | hidnplayr | 1270 | |
2402 | hidnplayr | 1271 | cmp edi, [eax + RING_BUFFER.end_ptr] |
1272 | jae .wrap |
||
1273 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1533 | hidnplayr | 1274 | |
2402 | hidnplayr | 1275 | ret |
1529 | hidnplayr | 1276 | |
1533 | hidnplayr | 1277 | .wrap: |
2402 | hidnplayr | 1278 | sub edi, SOCKET_MAXDATA |
1279 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1533 | hidnplayr | 1280 | |
2402 | hidnplayr | 1281 | ret |
1533 | hidnplayr | 1282 | |
2404 | hidnplayr | 1283 | .too_large: ; update size, we will fill buffer completely |
1284 | sub [eax + RING_BUFFER.size], SOCKET_MAXDATA |
||
2402 | hidnplayr | 1285 | sub ecx, [eax + RING_BUFFER.size] |
2404 | hidnplayr | 1286 | mov [eax + RING_BUFFER.size], SOCKET_MAXDATA |
2573 | hidnplayr | 1287 | ja .copy |
1529 | hidnplayr | 1288 | |
2573 | hidnplayr | 1289 | .full: |
2402 | hidnplayr | 1290 | DEBUGF 2,"SOCKET_ring_write: ring buffer is full!\n" |
1291 | xor ecx, ecx |
||
1292 | ret |
||
1529 | hidnplayr | 1293 | |
2573 | hidnplayr | 1294 | .way_too_large: |
1295 | sub [eax + RING_BUFFER.size], ecx |
||
1296 | mov ecx, SOCKET_MAXDATA |
||
1297 | sub ecx, [eax + RING_BUFFER.size] |
||
1298 | ja .copy |
||
1299 | jmp .full |
||
1529 | hidnplayr | 1300 | |
2573 | hidnplayr | 1301 | |
1302 | |||
1529 | hidnplayr | 1303 | ;----------------------------------------------------------------- |
1304 | ; |
||
1305 | ; SOCKET_ring_read |
||
1306 | ; |
||
2893 | hidnplayr | 1307 | ; IN: eax = ring struct ptr |
1308 | ; ecx = bytes to read |
||
1309 | ; edx = offset |
||
1529 | hidnplayr | 1310 | ; edi = ptr to buffer |
1311 | ; |
||
2893 | hidnplayr | 1312 | ; OUT: ecx = number of bytes read (0 on error) |
1529 | hidnplayr | 1313 | ; |
1314 | ;----------------------------------------------------------------- |
||
1315 | align 4 |
||
1316 | SOCKET_ring_read: |
||
1317 | |||
2893 | hidnplayr | 1318 | DEBUGF 1,"SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
1529 | hidnplayr | 1319 | |
2893 | hidnplayr | 1320 | mov esi, [eax + RING_BUFFER.read_ptr] |
1321 | add esi, edx ; esi = start_ptr + offset |
||
1322 | |||
1323 | neg edx |
||
1324 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1325 | jle .no_data_at_all |
||
1326 | |||
1327 | cmp ecx, edx |
||
2402 | hidnplayr | 1328 | ja .less_data |
1529 | hidnplayr | 1329 | |
1330 | .copy: |
||
2402 | hidnplayr | 1331 | DEBUGF 2,"SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
1332 | push ecx |
||
1333 | shr ecx, 1 |
||
1334 | jnc .nb |
||
1335 | movsb |
||
1536 | hidnplayr | 1336 | .nb: |
2402 | hidnplayr | 1337 | shr ecx, 1 |
1338 | jnc .nw |
||
1339 | movsw |
||
1536 | hidnplayr | 1340 | .nw: |
2402 | hidnplayr | 1341 | test ecx, ecx |
1342 | jz .nd |
||
1343 | rep movsd |
||
1536 | hidnplayr | 1344 | .nd: |
2402 | hidnplayr | 1345 | pop ecx |
2893 | hidnplayr | 1346 | ret |
1529 | hidnplayr | 1347 | |
1830 | hidnplayr | 1348 | .no_data_at_all: |
2894 | hidnplayr | 1349 | DEBUGF 1,"SOCKET_ring_read: no data at all!\n" |
2402 | hidnplayr | 1350 | ret |
1529 | hidnplayr | 1351 | |
1533 | hidnplayr | 1352 | .less_data: |
2893 | hidnplayr | 1353 | mov ecx, edx |
2402 | hidnplayr | 1354 | jmp .copy |
1529 | hidnplayr | 1355 | |
1356 | |||
1357 | ;----------------------------------------------------------------- |
||
1358 | ; |
||
1359 | ; SOCKET_ring_free |
||
1360 | ; |
||
1361 | ; Free's some bytes from the ringbuffer |
||
1362 | ; |
||
1363 | ; IN: eax = ptr to ring struct |
||
1364 | ; ecx = data size |
||
1365 | ; |
||
1366 | ; OUT: ecx = number of bytes free-ed |
||
1367 | ; |
||
1368 | ;----------------------------------------------------------------- |
||
1369 | align 4 |
||
1370 | SOCKET_ring_free: |
||
1371 | |||
2402 | hidnplayr | 1372 | DEBUGF 1,"SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
1529 | hidnplayr | 1373 | |
2402 | hidnplayr | 1374 | sub [eax + RING_BUFFER.size], ecx |
2888 | hidnplayr | 1375 | jb .error |
2402 | hidnplayr | 1376 | add [eax + RING_BUFFER.read_ptr], ecx |
1529 | hidnplayr | 1377 | |
2402 | hidnplayr | 1378 | mov edx, [eax + RING_BUFFER.end_ptr] |
1379 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1380 | jb @f |
||
1381 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1529 | hidnplayr | 1382 | @@: |
2402 | hidnplayr | 1383 | ret |
1529 | hidnplayr | 1384 | |
2888 | hidnplayr | 1385 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
1386 | DEBUGF 1,"SOCKET_ring_free: buffer=%x error!\n", eax |
||
2402 | hidnplayr | 1387 | add [eax + RING_BUFFER.size], ecx |
1388 | xor ecx, ecx |
||
1389 | ret |
||
1529 | hidnplayr | 1390 | |
1391 | |||
1392 | ;----------------------------------------------------------------- |
||
1393 | ; |
||
1514 | hidnplayr | 1394 | ; SOCKET_notify_owner |
1395 | ; |
||
1396 | ; notify's the owner of a socket that something happened |
||
1397 | ; |
||
1398 | ; IN: eax = socket ptr |
||
1399 | ; OUT: / |
||
1400 | ; |
||
1401 | ;----------------------------------------------------------------- |
||
1402 | align 4 |
||
1403 | SOCKET_notify_owner: |
||
1404 | |||
2402 | hidnplayr | 1405 | DEBUGF 1,"SOCKET_notify_owner: %x\n", eax |
1514 | hidnplayr | 1406 | |
2402 | hidnplayr | 1407 | call SOCKET_check |
1408 | jz .error |
||
1514 | hidnplayr | 1409 | |
2402 | hidnplayr | 1410 | push eax ecx esi |
1514 | hidnplayr | 1411 | |
1412 | ; socket exists, now try to flag an event to the application |
||
1413 | |||
2402 | hidnplayr | 1414 | mov eax, [eax + SOCKET.PID] |
2629 | hidnplayr | 1415 | test eax, eax |
1416 | jz .error2 |
||
2402 | hidnplayr | 1417 | mov ecx, 1 |
1418 | mov esi, TASK_DATA + TASKDATA.pid |
||
1206 | hidnplayr | 1419 | |
1420 | .next_pid: |
||
2402 | hidnplayr | 1421 | cmp [esi], eax |
1422 | je .found_pid |
||
1423 | inc ecx |
||
1424 | add esi, 0x20 |
||
1425 | cmp ecx, [TASK_COUNT] |
||
1426 | jbe .next_pid |
||
1206 | hidnplayr | 1427 | |
1514 | hidnplayr | 1428 | ; PID not found, TODO: close socket! |
1429 | |||
2402 | hidnplayr | 1430 | jmp .error2 |
1514 | hidnplayr | 1431 | |
1206 | hidnplayr | 1432 | .found_pid: |
2402 | hidnplayr | 1433 | shl ecx, 8 |
1434 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1435 | mov [check_idle_semaphore], 200 |
||
1206 | hidnplayr | 1436 | |
2402 | hidnplayr | 1437 | DEBUGF 1,"SOCKET_notify_owner: succes!\n" |
1514 | hidnplayr | 1438 | |
1439 | .error2: |
||
2402 | hidnplayr | 1440 | pop esi ecx eax |
1536 | hidnplayr | 1441 | |
1514 | hidnplayr | 1442 | .error: |
1443 | |||
2402 | hidnplayr | 1444 | ret |
1206 | hidnplayr | 1445 | |
1446 | |||
1514 | hidnplayr | 1447 | ;-------------------------------------------------------------------- |
1448 | ; |
||
1449 | ; SOCKET_alloc |
||
1450 | ; |
||
1159 | hidnplayr | 1451 | ; Allocate memory for socket data and put new socket into the list |
1452 | ; Newly created socket is initialized with calling PID and number and |
||
1453 | ; put into beginning of list (which is a fastest way). |
||
1454 | ; |
||
1514 | hidnplayr | 1455 | ; IN: / |
1456 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1457 | ; edi = socket number |
||
1458 | ; ZF = cleared on error |
||
1159 | hidnplayr | 1459 | ; |
1514 | hidnplayr | 1460 | ;-------------------------------------------------------------------- |
1461 | align 4 |
||
1462 | SOCKET_alloc: |
||
1463 | |||
2402 | hidnplayr | 1464 | push ebx |
1514 | hidnplayr | 1465 | |
2402 | hidnplayr | 1466 | stdcall kernel_alloc, SOCKETBUFFSIZE |
1467 | DEBUGF 1, "SOCKET_alloc: ptr=%x\n", eax |
||
1468 | or eax, eax |
||
1469 | jz .exit |
||
1159 | hidnplayr | 1470 | |
1514 | hidnplayr | 1471 | ; zero-initialize allocated memory |
2402 | hidnplayr | 1472 | push eax |
1473 | mov edi, eax |
||
1474 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1475 | xor eax, eax |
||
1476 | rep stosd |
||
1477 | pop eax |
||
1159 | hidnplayr | 1478 | |
1536 | hidnplayr | 1479 | ; set send-and receive procedures to return -1 |
2402 | hidnplayr | 1480 | mov [eax + SOCKET.snd_proc], s_error |
1481 | mov [eax + SOCKET.rcv_proc], s_error |
||
1536 | hidnplayr | 1482 | |
1514 | hidnplayr | 1483 | ; find first free socket number and use it |
2402 | hidnplayr | 1484 | mov edi, [last_socket_num] |
1159 | hidnplayr | 1485 | .next_socket_number: |
2402 | hidnplayr | 1486 | inc edi |
1487 | jz .next_socket_number ; avoid socket nr 0 |
||
1488 | cmp edi, -1 |
||
1489 | je .next_socket_number ; avoid socket nr -1 |
||
1490 | mov ebx, net_sockets |
||
1159 | hidnplayr | 1491 | .next_socket: |
2402 | hidnplayr | 1492 | mov ebx, [ebx + SOCKET.NextPtr] |
1493 | test ebx, ebx |
||
1494 | jz .last_socket |
||
1536 | hidnplayr | 1495 | |
2402 | hidnplayr | 1496 | cmp [ebx + SOCKET.Number], edi |
1497 | jne .next_socket |
||
1498 | jmp .next_socket_number |
||
1159 | hidnplayr | 1499 | |
1514 | hidnplayr | 1500 | .last_socket: |
2402 | hidnplayr | 1501 | mov [last_socket_num], edi |
1502 | mov [eax + SOCKET.Number], edi |
||
1503 | DEBUGF 1, "SOCKET_alloc: number=%u\n", edi |
||
1159 | hidnplayr | 1504 | |
1514 | hidnplayr | 1505 | ; Fill in PID |
2402 | hidnplayr | 1506 | mov ebx, [TASK_BASE] |
1507 | mov ebx, [ebx + TASKDATA.pid] |
||
1508 | mov [eax + SOCKET.PID], ebx |
||
1514 | hidnplayr | 1509 | |
2403 | hidnplayr | 1510 | ; init mutex |
1511 | pusha |
||
1512 | lea ecx, [eax + SOCKET.mutex] |
||
1513 | call mutex_init |
||
1514 | popa |
||
1515 | |||
1529 | hidnplayr | 1516 | ; add socket to the list by re-arranging some pointers |
2402 | hidnplayr | 1517 | mov ebx, [net_sockets + SOCKET.NextPtr] |
1514 | hidnplayr | 1518 | |
2402 | hidnplayr | 1519 | mov [eax + SOCKET.PrevPtr], net_sockets |
1520 | mov [eax + SOCKET.NextPtr], ebx |
||
1514 | hidnplayr | 1521 | |
2402 | hidnplayr | 1522 | test ebx, ebx |
1523 | jz @f |
||
1524 | |||
1525 | pusha |
||
1526 | lea ecx, [ebx + SOCKET.mutex] |
||
1527 | call mutex_lock |
||
1528 | popa |
||
1529 | |||
1530 | mov [ebx + SOCKET.PrevPtr], eax |
||
1531 | |||
1532 | pusha |
||
1533 | lea ecx, [ebx + SOCKET.mutex] |
||
1534 | call mutex_unlock |
||
1535 | popa |
||
1514 | hidnplayr | 1536 | @@: |
1537 | |||
2402 | hidnplayr | 1538 | mov [net_sockets + SOCKET.NextPtr], eax |
1539 | or eax, eax ; used to clear zero flag |
||
1159 | hidnplayr | 1540 | .exit: |
2402 | hidnplayr | 1541 | pop ebx |
1514 | hidnplayr | 1542 | |
2402 | hidnplayr | 1543 | ret |
1159 | hidnplayr | 1544 | |
1514 | hidnplayr | 1545 | |
1546 | ;---------------------------------------------------- |
||
1159 | hidnplayr | 1547 | ; |
1514 | hidnplayr | 1548 | ; SOCKET_free |
1159 | hidnplayr | 1549 | ; |
1514 | hidnplayr | 1550 | ; Free socket data memory and remove socket from the list |
1551 | ; |
||
1552 | ; IN: eax = socket ptr |
||
1553 | ; OUT: / |
||
1554 | ; |
||
1555 | ;---------------------------------------------------- |
||
1556 | align 4 |
||
1557 | SOCKET_free: |
||
1159 | hidnplayr | 1558 | |
2402 | hidnplayr | 1559 | DEBUGF 1, "SOCKET_free: %x\n", eax |
1514 | hidnplayr | 1560 | |
2402 | hidnplayr | 1561 | call SOCKET_check |
1562 | jz .error |
||
1159 | hidnplayr | 1563 | |
2402 | hidnplayr | 1564 | push ebx |
1514 | hidnplayr | 1565 | |
2402 | hidnplayr | 1566 | pusha |
1567 | lea ecx, [eax + SOCKET.mutex] |
||
1568 | call mutex_lock |
||
1569 | popa |
||
1514 | hidnplayr | 1570 | |
2402 | hidnplayr | 1571 | cmp [eax + SOCKET.Domain], AF_INET4 |
1572 | jnz .no_tcp |
||
1529 | hidnplayr | 1573 | |
2402 | hidnplayr | 1574 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1575 | jnz .no_tcp |
||
1576 | |||
1577 | mov ebx, eax |
||
1578 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
1579 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
1580 | mov eax, ebx |
||
1536 | hidnplayr | 1581 | .no_tcp: |
1529 | hidnplayr | 1582 | |
2402 | hidnplayr | 1583 | push eax ; this will be passed to kernel_free |
1584 | mov ebx, [eax + SOCKET.NextPtr] |
||
1585 | mov eax, [eax + SOCKET.PrevPtr] |
||
1514 | hidnplayr | 1586 | |
2402 | hidnplayr | 1587 | DEBUGF 1, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
1514 | hidnplayr | 1588 | |
2402 | hidnplayr | 1589 | test eax, eax |
1590 | jz @f |
||
1591 | mov [eax + SOCKET.NextPtr], ebx |
||
1514 | hidnplayr | 1592 | @@: |
1159 | hidnplayr | 1593 | |
2402 | hidnplayr | 1594 | test ebx, ebx |
1595 | jz @f |
||
1596 | mov [ebx + SOCKET.PrevPtr], eax |
||
1514 | hidnplayr | 1597 | @@: |
1249 | hidnplayr | 1598 | |
2402 | hidnplayr | 1599 | call kernel_free |
1600 | pop ebx |
||
1159 | hidnplayr | 1601 | |
2402 | hidnplayr | 1602 | DEBUGF 1, "SOCKET_free: success!\n" |
1514 | hidnplayr | 1603 | |
1159 | hidnplayr | 1604 | .error: |
2402 | hidnplayr | 1605 | ret |
1159 | hidnplayr | 1606 | |
1543 | hidnplayr | 1607 | ;------------------------------------ |
1608 | ; |
||
1609 | ; SOCKET_fork |
||
1610 | ; |
||
1611 | ; Create a child socket |
||
1612 | ; |
||
1533 | hidnplayr | 1613 | ; IN: socket nr in ebx |
1543 | hidnplayr | 1614 | ; OUT: child socket nr in eax |
1615 | ; |
||
1616 | ;----------------------------------- |
||
1529 | hidnplayr | 1617 | align 4 |
1618 | SOCKET_fork: |
||
1619 | |||
2402 | hidnplayr | 1620 | DEBUGF 1,"SOCKET_fork: %x\n", ebx |
1529 | hidnplayr | 1621 | |
1543 | hidnplayr | 1622 | ; Exit if backlog queue is full |
2402 | hidnplayr | 1623 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
1624 | cmp ax, [ebx + SOCKET.backlog] |
||
1625 | jae .fail |
||
1543 | hidnplayr | 1626 | |
1529 | hidnplayr | 1627 | ; Allocate new socket |
2402 | hidnplayr | 1628 | push ebx |
1629 | call SOCKET_alloc |
||
1630 | pop ebx |
||
1631 | jz .fail |
||
1529 | hidnplayr | 1632 | |
2402 | hidnplayr | 1633 | push eax |
1634 | mov esi, esp |
||
1635 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
1636 | pop eax |
||
1543 | hidnplayr | 1637 | |
1638 | ; Copy structure from current socket to new |
||
1639 | ; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket |
||
2402 | hidnplayr | 1640 | lea esi, [ebx + SOCKET.PID] |
1641 | lea edi, [eax + SOCKET.PID] |
||
1642 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
1643 | rep movsd |
||
1529 | hidnplayr | 1644 | |
2402 | hidnplayr | 1645 | and [eax + SOCKET.options], not SO_ACCEPTCON |
1529 | hidnplayr | 1646 | |
2402 | hidnplayr | 1647 | ret |
1529 | hidnplayr | 1648 | |
1543 | hidnplayr | 1649 | .fail2: |
2402 | hidnplayr | 1650 | add esp, 4+4+4 |
1543 | hidnplayr | 1651 | .fail: |
2402 | hidnplayr | 1652 | DEBUGF 1,"SOCKET_fork: failed\n" |
1653 | xor eax, eax |
||
1654 | ret |
||
1529 | hidnplayr | 1655 | |
1543 | hidnplayr | 1656 | |
1514 | hidnplayr | 1657 | ;--------------------------------------------------- |
1658 | ; |
||
1659 | ; SOCKET_num_to_ptr |
||
1660 | ; |
||
1159 | hidnplayr | 1661 | ; Get socket structure address by its number |
1662 | ; |
||
1514 | hidnplayr | 1663 | ; IN: ecx = socket number |
1533 | hidnplayr | 1664 | ; OUT: eax = 0 on error, socket ptr otherwise |
1514 | hidnplayr | 1665 | ; ZF = set on error |
1159 | hidnplayr | 1666 | ; |
1514 | hidnplayr | 1667 | ;--------------------------------------------------- |
1668 | align 4 |
||
1669 | SOCKET_num_to_ptr: |
||
1159 | hidnplayr | 1670 | |
2891 | hidnplayr | 1671 | DEBUGF 1,"SOCKET_num_to_ptr: num=%u ", ecx |
1514 | hidnplayr | 1672 | |
2402 | hidnplayr | 1673 | mov eax, net_sockets |
1514 | hidnplayr | 1674 | |
1159 | hidnplayr | 1675 | .next_socket: |
2402 | hidnplayr | 1676 | mov eax, [eax + SOCKET.NextPtr] |
1677 | or eax, eax |
||
1678 | jz .error |
||
1679 | cmp [eax + SOCKET.Number], ecx |
||
1680 | jne .next_socket |
||
1159 | hidnplayr | 1681 | |
2402 | hidnplayr | 1682 | test eax, eax |
1159 | hidnplayr | 1683 | |
2891 | hidnplayr | 1684 | DEBUGF 1,"ptr=%x\n", eax |
1685 | ret |
||
1686 | |||
1159 | hidnplayr | 1687 | .error: |
2891 | hidnplayr | 1688 | DEBUGF 1,"not found\n", eax |
2402 | hidnplayr | 1689 | ret |
1159 | hidnplayr | 1690 | |
1514 | hidnplayr | 1691 | |
1692 | ;--------------------------------------------------- |
||
1159 | hidnplayr | 1693 | ; |
1514 | hidnplayr | 1694 | ; SOCKET_ptr_to_num |
1159 | hidnplayr | 1695 | ; |
1514 | hidnplayr | 1696 | ; Get socket number by its address |
1697 | ; |
||
1698 | ; IN: eax = socket ptr |
||
1699 | ; OUT: eax = 0 on error, socket num otherwise |
||
1700 | ; ZF = set on error |
||
1701 | ; |
||
1702 | ;--------------------------------------------------- |
||
1703 | align 4 |
||
1704 | SOCKET_ptr_to_num: |
||
1705 | |||
2891 | hidnplayr | 1706 | DEBUGF 1,"SOCKET_ptr_to_num: ptr=%x ", eax |
1514 | hidnplayr | 1707 | |
2402 | hidnplayr | 1708 | call SOCKET_check |
1709 | jz .error |
||
1159 | hidnplayr | 1710 | |
2402 | hidnplayr | 1711 | mov eax, [eax + SOCKET.Number] |
1514 | hidnplayr | 1712 | |
2891 | hidnplayr | 1713 | DEBUGF 1,"num=%u\n", eax |
1714 | ret |
||
1514 | hidnplayr | 1715 | |
1716 | .error: |
||
2891 | hidnplayr | 1717 | DEBUGF 1,"not found\n", eax |
2402 | hidnplayr | 1718 | ret |
1514 | hidnplayr | 1719 | |
1720 | |||
1721 | ;--------------------------------------------------- |
||
1722 | ; |
||
1723 | ; SOCKET_check |
||
1724 | ; |
||
1725 | ; checks if the given value is really a socket ptr |
||
1726 | ; |
||
1727 | ; IN: eax = socket ptr |
||
1728 | ; OUT: eax = 0 on error, unchanged otherwise |
||
1729 | ; ZF = set on error |
||
1730 | ; |
||
1731 | ;--------------------------------------------------- |
||
1732 | align 4 |
||
1733 | SOCKET_check: |
||
1734 | |||
2402 | hidnplayr | 1735 | DEBUGF 1,"SOCKET_check: %x\n", eax |
1514 | hidnplayr | 1736 | |
2402 | hidnplayr | 1737 | push ebx |
1738 | mov ebx, net_sockets |
||
1514 | hidnplayr | 1739 | |
1159 | hidnplayr | 1740 | .next_socket: |
2402 | hidnplayr | 1741 | mov ebx, [ebx + SOCKET.NextPtr] |
1742 | or ebx, ebx |
||
1743 | jz .done |
||
1744 | cmp ebx, eax |
||
1745 | jnz .next_socket |
||
1159 | hidnplayr | 1746 | |
1514 | hidnplayr | 1747 | .done: |
2402 | hidnplayr | 1748 | mov eax, ebx |
1749 | test eax, eax |
||
1750 | pop ebx |
||
1514 | hidnplayr | 1751 | |
2402 | hidnplayr | 1752 | ret |
1159 | hidnplayr | 1753 | |
1514 | hidnplayr | 1754 | |
1755 | |||
1756 | ;--------------------------------------------------- |
||
1757 | ; |
||
1758 | ; SOCKET_check_owner |
||
1759 | ; |
||
1760 | ; checks if the caller application owns the socket |
||
1761 | ; |
||
1762 | ; IN: eax = socket ptr |
||
1763 | ; OUT: ZF = true/false |
||
1764 | ; |
||
1765 | ;--------------------------------------------------- |
||
1766 | align 4 |
||
1767 | SOCKET_check_owner: |
||
1768 | |||
2402 | hidnplayr | 1769 | DEBUGF 1,"SOCKET_check_owner: %x\n", eax |
1514 | hidnplayr | 1770 | |
2402 | hidnplayr | 1771 | push ebx |
1772 | mov ebx, [TASK_BASE] |
||
1773 | mov ebx, [ecx + TASKDATA.pid] |
||
1774 | cmp [eax + SOCKET.PID], ebx |
||
1775 | pop ebx |
||
1514 | hidnplayr | 1776 | |
2402 | hidnplayr | 1777 | ret |
1514 | hidnplayr | 1778 | |
1779 | |||
1780 | |||
1781 | |||
1885 | hidnplayr | 1782 | ;------------------------------------------------------ |
1514 | hidnplayr | 1783 | ; |
1784 | ; SOCKET_process_end |
||
1785 | ; |
||
1786 | ; Kernel calls this function when a certain process ends |
||
1787 | ; This function will check if the process had any open sockets |
||
1788 | ; And update them accordingly |
||
1789 | ; |
||
2867 | hidnplayr | 1790 | ; IN: edx = pid |
1514 | hidnplayr | 1791 | ; OUT: / |
1792 | ; |
||
1793 | ;------------------------------------------------------ |
||
1794 | align 4 |
||
1795 | SOCKET_process_end: |
||
1796 | |||
2867 | hidnplayr | 1797 | DEBUGF 1,"SOCKET_process_end: %x\n", edx |
1514 | hidnplayr | 1798 | |
2402 | hidnplayr | 1799 | push ebx |
1800 | mov ebx, net_sockets |
||
1514 | hidnplayr | 1801 | |
1802 | .next_socket: |
||
2402 | hidnplayr | 1803 | mov ebx, [ebx + SOCKET.NextPtr] |
1514 | hidnplayr | 1804 | .test_socket: |
2402 | hidnplayr | 1805 | test ebx, ebx |
1806 | jz .done |
||
1514 | hidnplayr | 1807 | |
2867 | hidnplayr | 1808 | cmp [ebx + SOCKET.PID], edx |
2402 | hidnplayr | 1809 | jne .next_socket |
1514 | hidnplayr | 1810 | |
2891 | hidnplayr | 1811 | DEBUGF 1,"SOCKET_process_end: killing socket %x\n", ebx |
1514 | hidnplayr | 1812 | |
2402 | hidnplayr | 1813 | mov [ebx + SOCKET.PID], 0 |
1514 | hidnplayr | 1814 | |
2402 | hidnplayr | 1815 | cmp [ebx + SOCKET.Protocol], IP_PROTO_TCP |
1816 | je .tcp |
||
1514 | hidnplayr | 1817 | |
2629 | hidnplayr | 1818 | ; The socket is stateless, just kill it right away! |
1514 | hidnplayr | 1819 | |
2402 | hidnplayr | 1820 | mov eax, ebx |
1821 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1822 | call SOCKET_free |
||
1823 | jmp .test_socket |
||
1514 | hidnplayr | 1824 | |
1825 | .tcp: |
||
2629 | hidnplayr | 1826 | push [ebx + SOCKET.NextPtr] |
1827 | mov eax, ebx |
||
2869 | hidnplayr | 1828 | call TCP_disconnect |
2629 | hidnplayr | 1829 | pop ebx |
1830 | jmp .test_socket |
||
1885 | hidnplayr | 1831 | |
1514 | hidnplayr | 1832 | .done: |
2402 | hidnplayr | 1833 | pop ebx |
1514 | hidnplayr | 1834 | |
2402 | hidnplayr | 1835 | ret |
1773 | hidnplayr | 1836 | |
1837 | |||
1838 | |||
1839 | |||
1885 | hidnplayr | 1840 | ;----------------------------------------------------------------- |
1841 | ; |
||
1842 | ; SOCKET_is_connecting |
||
1843 | ; |
||
1844 | ; IN: eax = socket ptr |
||
1845 | ; OUT: / |
||
1846 | ; |
||
1847 | ;----------------------------------------------------------------- |
||
1773 | hidnplayr | 1848 | |
1885 | hidnplayr | 1849 | align 4 |
1850 | SOCKET_is_connecting: |
||
1773 | hidnplayr | 1851 | |
2891 | hidnplayr | 1852 | DEBUGF 1,"SOCKET_is_connecting: %x\n", eax |
1773 | hidnplayr | 1853 | |
2402 | hidnplayr | 1854 | and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
1855 | or [eax + SOCKET.options], SS_ISCONNECTING |
||
1773 | hidnplayr | 1856 | |
2402 | hidnplayr | 1857 | jmp SOCKET_notify_owner |
1885 | hidnplayr | 1858 | |
1859 | |||
1860 | |||
1773 | hidnplayr | 1861 | ;----------------------------------------------------------------- |
1862 | ; |
||
1885 | hidnplayr | 1863 | ; SOCKET_is_connected |
1864 | ; |
||
1865 | ; IN: eax = socket ptr |
||
1866 | ; OUT: / |
||
1867 | ; |
||
1868 | ;----------------------------------------------------------------- |
||
1869 | |||
1870 | align 4 |
||
1871 | SOCKET_is_connected: |
||
1872 | |||
2891 | hidnplayr | 1873 | DEBUGF 1,"SOCKET_is_connected: %x\n", eax |
1885 | hidnplayr | 1874 | |
2402 | hidnplayr | 1875 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
1876 | or [eax + SOCKET.options], SS_ISCONNECTED |
||
1885 | hidnplayr | 1877 | |
2402 | hidnplayr | 1878 | jmp SOCKET_notify_owner |
1885 | hidnplayr | 1879 | |
1880 | |||
1881 | |||
1882 | |||
1883 | ;----------------------------------------------------------------- |
||
1884 | ; |
||
1773 | hidnplayr | 1885 | ; SOCKET_is_disconnecting |
1886 | ; |
||
1887 | ; IN: eax = socket ptr |
||
1888 | ; OUT: / |
||
1889 | ; |
||
1890 | ;----------------------------------------------------------------- |
||
1891 | |||
1892 | align 4 |
||
1893 | SOCKET_is_disconnecting: |
||
1894 | |||
2891 | hidnplayr | 1895 | DEBUGF 1,"SOCKET_is_disconnecting: %x\n", eax |
1896 | |||
2402 | hidnplayr | 1897 | and [eax + SOCKET.options], not (SS_ISCONNECTING) |
1898 | or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
1773 | hidnplayr | 1899 | |
2402 | hidnplayr | 1900 | jmp SOCKET_notify_owner |
1773 | hidnplayr | 1901 | |
1902 | |||
1903 | |||
1904 | ;----------------------------------------------------------------- |
||
1905 | ; |
||
1906 | ; SOCKET_is_disconnected |
||
1907 | ; |
||
1908 | ; IN: eax = socket ptr |
||
1909 | ; OUT: / |
||
1910 | ; |
||
1911 | ;----------------------------------------------------------------- |
||
1912 | |||
1913 | align 4 |
||
1914 | SOCKET_is_disconnected: |
||
1915 | |||
2891 | hidnplayr | 1916 | DEBUGF 1,"SOCKET_is_disconnected: %x\n", eax |
1917 | |||
2402 | hidnplayr | 1918 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
1919 | or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
1773 | hidnplayr | 1920 | |
2402 | hidnplayr | 1921 | jmp SOCKET_notify_owner |
1774 | hidnplayr | 1922 | |
1923 | |||
1924 | ;----------------------------------------------------------------- |
||
1925 | ; |
||
1926 | ; SOCKET_cant_recv_more |
||
1927 | ; |
||
1928 | ; IN: eax = socket ptr |
||
1929 | ; OUT: / |
||
1930 | ; |
||
1931 | ;----------------------------------------------------------------- |
||
1932 | |||
1933 | align 4 |
||
1934 | SOCKET_cant_recv_more: |
||
1935 | |||
2891 | hidnplayr | 1936 | DEBUGF 1,"SOCKET_cant_recv_more: %x\n", eax |
1937 | |||
2402 | hidnplayr | 1938 | or [eax + SOCKET.options], SS_CANTRCVMORE |
1885 | hidnplayr | 1939 | |
2402 | hidnplayr | 1940 | ret |
1831 | hidnplayr | 1941 | |
1942 | |||
1943 | |||
1944 | ;----------------------------------------------------------------- |
||
1945 | ; |
||
1885 | hidnplayr | 1946 | ; SOCKET_cant_send_more |
1831 | hidnplayr | 1947 | ; |
1948 | ; IN: eax = socket ptr |
||
1949 | ; OUT: / |
||
1950 | ; |
||
1951 | ;----------------------------------------------------------------- |
||
1952 | |||
1953 | align 4 |
||
1885 | hidnplayr | 1954 | SOCKET_cant_send_more: |
1831 | hidnplayr | 1955 | |
2891 | hidnplayr | 1956 | DEBUGF 1,"SOCKET_cant_send_more: %x\n", eax |
1957 | |||
2402 | hidnplayr | 1958 | or [eax + SOCKET.options], SS_CANTSENDMORE |
1831 | hidnplayr | 1959 | |
2402 | hidnplayr | 1960 | ret |