Rev 2937 | 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: 2939 $ |
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 |
||
75 | SND_WND dd ? ; send window |
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1514 | hidnplayr | 76 | |
77 | ; receive sequence |
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2937 | hidnplayr | 78 | RCV_WND dw ? ; receive window ; FIXME: better use a dword? |
2402 | hidnplayr | 79 | RCV_NXT dd ? ; next receive sequence number to use |
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 |
||
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 ? |
||
1514 | hidnplayr | 95 | |
96 | ;---------------------- |
||
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 | ;--------- |
||
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 | |||
2924 | hidnplayr | 135 | ts_ecr dd ? ; timestamp echo reply |
2937 | hidnplayr | 136 | ts_val dd ? |
137 | temp_bits db ? |
||
2890 | hidnplayr | 138 | |
2305 | hidnplayr | 139 | ends |
1249 | hidnplayr | 140 | |
2402 | hidnplayr | 141 | struct UDP_SOCKET IP_SOCKET |
1249 | hidnplayr | 142 | |
2402 | hidnplayr | 143 | LocalPort dw ? |
144 | RemotePort dw ? |
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145 | firstpacket db ? |
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1249 | hidnplayr | 146 | |
2305 | hidnplayr | 147 | ends |
1249 | hidnplayr | 148 | |
149 | |||
2402 | hidnplayr | 150 | struct ICMP_SOCKET IP_SOCKET |
1249 | hidnplayr | 151 | |
2402 | hidnplayr | 152 | Identifier dw ? |
1514 | hidnplayr | 153 | |
2305 | hidnplayr | 154 | ends |
1514 | hidnplayr | 155 | |
156 | |||
2402 | hidnplayr | 157 | struct RING_BUFFER |
2311 | hidnplayr | 158 | |
2402 | hidnplayr | 159 | start_ptr dd ? ; Pointer to start of buffer |
160 | end_ptr dd ? ; pointer to end of buffer |
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161 | read_ptr dd ? ; Read pointer |
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162 | write_ptr dd ? ; Write pointer |
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163 | size dd ? ; Number of bytes buffered |
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2311 | hidnplayr | 164 | |
2305 | hidnplayr | 165 | ends |
1514 | hidnplayr | 166 | |
2402 | hidnplayr | 167 | struct STREAM_SOCKET TCP_SOCKET |
1529 | hidnplayr | 168 | |
2402 | hidnplayr | 169 | rcv RING_BUFFER |
170 | snd RING_BUFFER |
||
1529 | hidnplayr | 171 | |
2305 | hidnplayr | 172 | ends |
1529 | hidnplayr | 173 | |
2402 | hidnplayr | 174 | struct socket_queue_entry |
1529 | hidnplayr | 175 | |
2402 | hidnplayr | 176 | data_ptr dd ? |
177 | buf_ptr dd ? |
||
178 | data_size dd ? |
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1529 | hidnplayr | 179 | |
1274 | hidnplayr | 180 | ends |
181 | |||
1514 | hidnplayr | 182 | |
2614 | hidnplayr | 183 | SOCKETBUFFSIZE = 4096 ; in bytes |
1514 | hidnplayr | 184 | |
2614 | hidnplayr | 185 | SOCKET_QUEUE_SIZE = 10 ; maximum number ofincoming packets queued for 1 socket |
1514 | hidnplayr | 186 | ; the incoming packet queue for sockets is placed in the socket struct itself, at this location from start |
2614 | hidnplayr | 187 | SOCKET_QUEUE_LOCATION = (SOCKETBUFFSIZE - SOCKET_QUEUE_SIZE*sizeof.socket_queue_entry - sizeof.queue) |
1249 | hidnplayr | 188 | |
1159 | hidnplayr | 189 | uglobal |
2402 | hidnplayr | 190 | net_sockets rd 4 |
191 | last_socket_num dd ? |
||
192 | last_UDP_port dw ? ; These values give the number of the last used ephemeral port |
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193 | last_TCP_port dw ? ; |
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1159 | hidnplayr | 194 | endg |
195 | |||
196 | |||
1257 | hidnplayr | 197 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 198 | ; |
199 | ; SOCKET_init |
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200 | ; |
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1257 | hidnplayr | 201 | ;----------------------------------------------------------------- |
2402 | hidnplayr | 202 | macro SOCKET_init { |
1159 | hidnplayr | 203 | |
2402 | hidnplayr | 204 | xor eax, eax |
205 | mov edi, net_sockets |
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206 | mov ecx, 5 |
||
207 | rep stosd |
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1159 | hidnplayr | 208 | |
1529 | hidnplayr | 209 | @@: |
2402 | hidnplayr | 210 | pseudo_random eax |
211 | cmp ax, MIN_EPHEMERAL_PORT |
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212 | jb @r |
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213 | cmp ax, MAX_EPHEMERAL_PORT |
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214 | ja @r |
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215 | mov [last_UDP_port], ax |
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1529 | hidnplayr | 216 | |
217 | @@: |
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2402 | hidnplayr | 218 | pseudo_random eax |
219 | cmp ax, MIN_EPHEMERAL_PORT |
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220 | jb @r |
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221 | cmp ax, MAX_EPHEMERAL_PORT |
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222 | ja @r |
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223 | mov [last_TCP_port], ax |
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1529 | hidnplayr | 224 | |
225 | } |
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226 | |||
227 | |||
1257 | hidnplayr | 228 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 229 | ; |
230 | ; Socket API (function 74) |
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231 | ; |
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1257 | hidnplayr | 232 | ;----------------------------------------------------------------- |
2614 | hidnplayr | 233 | align 4 |
234 | sys_socket: |
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235 | |||
236 | cmp ebx, 255 |
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237 | jz SOCKET_debug |
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238 | |||
239 | cmp ebx, .number |
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240 | ja s_error |
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241 | jmp dword [.table + 4*ebx] |
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242 | |||
243 | .table: |
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2402 | hidnplayr | 244 | dd SOCKET_open ; 0 |
245 | dd SOCKET_close ; 1 |
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246 | dd SOCKET_bind ; 2 |
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247 | dd SOCKET_listen ; 3 |
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248 | dd SOCKET_connect ; 4 |
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249 | dd SOCKET_accept ; 5 |
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250 | dd SOCKET_send ; 6 |
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251 | dd SOCKET_receive ; 7 |
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252 | dd SOCKET_set_opt ; 8 |
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253 | dd SOCKET_get_opt ; 9 |
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2614 | hidnplayr | 254 | .number = ($ - .table) / 4 - 1 |
2301 | hidnplayr | 255 | |
1529 | hidnplayr | 256 | s_error: |
2402 | hidnplayr | 257 | DEBUGF 1,"socket error\n" |
258 | mov dword [esp+32], -1 |
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1529 | hidnplayr | 259 | |
2402 | hidnplayr | 260 | ret |
1529 | hidnplayr | 261 | |
1159 | hidnplayr | 262 | |
2301 | hidnplayr | 263 | |
1257 | hidnplayr | 264 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 265 | ; |
266 | ; SOCKET_open |
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267 | ; |
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268 | ; IN: domain in ecx |
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269 | ; type in edx |
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1196 | hidnplayr | 270 | ; protocol in esi |
1159 | hidnplayr | 271 | ; OUT: eax is socket num, -1 on error |
272 | ; |
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1257 | hidnplayr | 273 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 274 | align 4 |
1514 | hidnplayr | 275 | SOCKET_open: |
1159 | hidnplayr | 276 | |
2891 | hidnplayr | 277 | DEBUGF 1,"SOCKET_open: domain=%u type=%u protocol=%x\n", ecx, edx, esi |
1159 | hidnplayr | 278 | |
2402 | hidnplayr | 279 | push ecx edx esi |
280 | call SOCKET_alloc |
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281 | pop esi edx ecx |
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282 | jz s_error |
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1159 | hidnplayr | 283 | |
2402 | hidnplayr | 284 | mov [esp+32], edi ; return socketnumber |
1542 | hidnplayr | 285 | |
2402 | hidnplayr | 286 | mov [eax + SOCKET.Domain], ecx |
287 | mov [eax + SOCKET.Type], edx |
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288 | mov [eax + SOCKET.Protocol], esi |
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1159 | hidnplayr | 289 | |
2402 | hidnplayr | 290 | cmp ecx, AF_INET4 |
291 | jne .no_inet4 |
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1529 | hidnplayr | 292 | |
2402 | hidnplayr | 293 | cmp edx, SOCK_DGRAM |
294 | je .udp |
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1536 | hidnplayr | 295 | |
2402 | hidnplayr | 296 | cmp edx, SOCK_STREAM |
297 | je .tcp |
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1529 | hidnplayr | 298 | |
2402 | hidnplayr | 299 | cmp edx, SOCK_RAW |
300 | je .raw |
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1541 | hidnplayr | 301 | |
1536 | hidnplayr | 302 | .no_inet4: |
2931 | hidnplayr | 303 | cmp ecx, AF_PPP |
304 | jne .no_ppp |
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305 | |||
306 | cmp esi, PPP_PROTO_ETHERNET |
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307 | je .pppoe |
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308 | |||
309 | .no_ppp: |
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2402 | hidnplayr | 310 | ret |
1536 | hidnplayr | 311 | |
1542 | hidnplayr | 312 | align 4 |
313 | .raw: |
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2402 | hidnplayr | 314 | test esi, esi ; IP_PROTO_IP |
315 | jz .ip |
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1529 | hidnplayr | 316 | |
2402 | hidnplayr | 317 | cmp esi, IP_PROTO_ICMP |
318 | je .icmp |
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1529 | hidnplayr | 319 | |
2402 | hidnplayr | 320 | cmp esi, IP_PROTO_UDP |
321 | je .udp |
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1533 | hidnplayr | 322 | |
2402 | hidnplayr | 323 | cmp esi, IP_PROTO_TCP |
324 | je .tcp |
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1536 | hidnplayr | 325 | |
2402 | hidnplayr | 326 | ret |
1159 | hidnplayr | 327 | |
1542 | hidnplayr | 328 | align 4 |
1536 | hidnplayr | 329 | .udp: |
2402 | hidnplayr | 330 | mov [eax + SOCKET.Protocol], IP_PROTO_UDP |
331 | mov [eax + SOCKET.snd_proc], SOCKET_send_udp |
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332 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
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333 | ret |
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1529 | hidnplayr | 334 | |
1542 | hidnplayr | 335 | align 4 |
336 | .tcp: |
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2402 | hidnplayr | 337 | mov [eax + SOCKET.Protocol], IP_PROTO_TCP |
338 | mov [eax + SOCKET.snd_proc], SOCKET_send_tcp |
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339 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_tcp |
||
1838 | hidnplayr | 340 | |
2612 | hidnplayr | 341 | TCP_init_socket eax |
2402 | hidnplayr | 342 | ret |
1529 | hidnplayr | 343 | |
344 | |||
1543 | hidnplayr | 345 | align 4 |
346 | .ip: |
||
2402 | hidnplayr | 347 | mov [eax + SOCKET.snd_proc], SOCKET_send_ip |
348 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
349 | ret |
||
1541 | hidnplayr | 350 | |
1542 | hidnplayr | 351 | |
352 | align 4 |
||
1541 | hidnplayr | 353 | .icmp: |
2402 | hidnplayr | 354 | mov [eax + SOCKET.snd_proc], SOCKET_send_icmp |
355 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
356 | ret |
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1541 | hidnplayr | 357 | |
2931 | hidnplayr | 358 | align 4 |
359 | .pppoe: |
||
360 | push eax |
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361 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
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362 | pop eax |
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1541 | hidnplayr | 363 | |
2931 | hidnplayr | 364 | mov [eax + SOCKET.snd_proc], SOCKET_send_pppoe |
365 | mov [eax + SOCKET.rcv_proc], SOCKET_receive_dgram |
||
366 | ret |
||
1541 | hidnplayr | 367 | |
2931 | hidnplayr | 368 | |
1257 | hidnplayr | 369 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 370 | ; |
371 | ; SOCKET_bind |
||
372 | ; |
||
373 | ; IN: socket number in ecx |
||
374 | ; pointer to sockaddr struct in edx |
||
375 | ; length of that struct in esi |
||
376 | ; OUT: 0 on success |
||
377 | ; |
||
1257 | hidnplayr | 378 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 379 | align 4 |
1514 | hidnplayr | 380 | SOCKET_bind: |
1159 | hidnplayr | 381 | |
2891 | hidnplayr | 382 | DEBUGF 1,"SOCKET_bind: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
1159 | hidnplayr | 383 | |
2402 | hidnplayr | 384 | call SOCKET_num_to_ptr |
385 | jz s_error |
||
1159 | hidnplayr | 386 | |
2402 | hidnplayr | 387 | cmp esi, 2 |
388 | jb s_error |
||
1159 | hidnplayr | 389 | |
2402 | hidnplayr | 390 | cmp word [edx], AF_INET4 |
391 | je .af_inet4 |
||
1159 | hidnplayr | 392 | |
2402 | hidnplayr | 393 | cmp word [edx], AF_UNIX |
394 | je .af_unix |
||
1249 | hidnplayr | 395 | |
2402 | hidnplayr | 396 | jmp s_error |
1249 | hidnplayr | 397 | |
398 | .af_unix: |
||
2402 | hidnplayr | 399 | ; TODO: write code here |
1249 | hidnplayr | 400 | |
2402 | hidnplayr | 401 | mov dword [esp+32], 0 |
402 | ret |
||
1249 | hidnplayr | 403 | |
1159 | hidnplayr | 404 | .af_inet4: |
405 | |||
2402 | hidnplayr | 406 | cmp esi, 6 |
407 | jb s_error |
||
1159 | hidnplayr | 408 | |
2622 | hidnplayr | 409 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
410 | je .udp |
||
1159 | hidnplayr | 411 | |
2622 | hidnplayr | 412 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
413 | je .tcp |
||
1159 | hidnplayr | 414 | |
2622 | hidnplayr | 415 | jmp s_error |
416 | |||
417 | .tcp: |
||
418 | .udp: |
||
419 | |||
420 | mov ebx, [edx + 4] ; First, fill in the IP |
||
421 | test ebx, ebx ; If IP is 0, use default |
||
422 | jnz @f |
||
423 | mov ebx, [NET_DEFAULT] |
||
424 | mov ebx, [IP_LIST + 4*ebx] |
||
425 | @@: |
||
426 | mov [eax + IP_SOCKET.LocalIP], ebx |
||
427 | |||
428 | mov bx, [edx + 2] ; Now fill in the port if it's still available |
||
429 | call SOCKET_check_port |
||
430 | jz s_error ; ZF is set by socket_check_port, on error |
||
431 | |||
2891 | hidnplayr | 432 | DEBUGF 1,"SOCKET_bind: local ip=%u.%u.%u.%u\n",\ |
2402 | hidnplayr | 433 | [eax + IP_SOCKET.LocalIP + 0]:1,[eax + IP_SOCKET.LocalIP + 1]:1,\ |
434 | [eax + IP_SOCKET.LocalIP + 2]:1,[eax + IP_SOCKET.LocalIP + 3]:1 |
||
1159 | hidnplayr | 435 | |
2402 | hidnplayr | 436 | mov dword [esp+32], 0 |
437 | ret |
||
1159 | hidnplayr | 438 | |
439 | |||
440 | |||
441 | |||
1257 | hidnplayr | 442 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 443 | ; |
444 | ; SOCKET_connect |
||
445 | ; |
||
446 | ; IN: socket number in ecx |
||
447 | ; pointer to sockaddr struct in edx |
||
448 | ; length of that struct in esi |
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449 | ; OUT: 0 on success |
||
450 | ; |
||
1257 | hidnplayr | 451 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 452 | align 4 |
1514 | hidnplayr | 453 | SOCKET_connect: |
1159 | hidnplayr | 454 | |
2891 | hidnplayr | 455 | DEBUGF 1,"SOCKET_connect: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
1159 | hidnplayr | 456 | |
2402 | hidnplayr | 457 | call SOCKET_num_to_ptr |
458 | jz s_error |
||
1159 | hidnplayr | 459 | |
2402 | hidnplayr | 460 | cmp esi, 8 |
461 | jb s_error |
||
1159 | hidnplayr | 462 | |
2402 | hidnplayr | 463 | cmp word [edx], AF_INET4 |
464 | je .af_inet4 |
||
1159 | hidnplayr | 465 | |
2402 | hidnplayr | 466 | jmp s_error |
1159 | hidnplayr | 467 | |
468 | .af_inet4: |
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2402 | hidnplayr | 469 | cmp [eax + IP_SOCKET.LocalIP], 0 |
470 | jne @f |
||
471 | push [IP_LIST] |
||
472 | pop [eax + IP_SOCKET.LocalIP] |
||
1543 | hidnplayr | 473 | @@: |
1159 | hidnplayr | 474 | |
2402 | hidnplayr | 475 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
476 | je .udp |
||
1159 | hidnplayr | 477 | |
2402 | hidnplayr | 478 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
479 | je .tcp |
||
1159 | hidnplayr | 480 | |
2402 | hidnplayr | 481 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
482 | je .ip |
||
1541 | hidnplayr | 483 | |
2402 | hidnplayr | 484 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
485 | je .ip |
||
1542 | hidnplayr | 486 | |
2402 | hidnplayr | 487 | jmp s_error |
1159 | hidnplayr | 488 | |
1542 | hidnplayr | 489 | align 4 |
1254 | hidnplayr | 490 | .udp: |
2402 | hidnplayr | 491 | pusha |
492 | lea ecx, [eax + SOCKET.mutex] |
||
493 | call mutex_lock |
||
494 | popa |
||
1543 | hidnplayr | 495 | |
2402 | hidnplayr | 496 | pushw [edx + 2] |
497 | pop [eax + UDP_SOCKET.RemotePort] |
||
1543 | hidnplayr | 498 | |
2402 | hidnplayr | 499 | pushd [edx + 4] |
500 | pop [eax + IP_SOCKET.RemoteIP] |
||
1543 | hidnplayr | 501 | |
2402 | hidnplayr | 502 | cmp [eax + UDP_SOCKET.LocalPort], 0 |
503 | jne @f |
||
504 | call SOCKET_find_port |
||
1543 | hidnplayr | 505 | @@: |
506 | |||
2402 | hidnplayr | 507 | mov [eax + UDP_SOCKET.firstpacket], 0 |
1159 | hidnplayr | 508 | |
2402 | hidnplayr | 509 | push eax |
510 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
511 | pop eax |
||
1159 | hidnplayr | 512 | |
2402 | hidnplayr | 513 | lea ecx, [eax + SOCKET.mutex] |
514 | call mutex_unlock |
||
1159 | hidnplayr | 515 | |
2402 | hidnplayr | 516 | mov dword [esp+32], 0 |
517 | ret |
||
518 | |||
1542 | hidnplayr | 519 | align 4 |
1254 | hidnplayr | 520 | .tcp: |
2402 | hidnplayr | 521 | pusha |
522 | lea ecx, [eax + SOCKET.mutex] |
||
523 | call mutex_lock |
||
524 | popa |
||
1159 | hidnplayr | 525 | |
2402 | hidnplayr | 526 | pushw [edx + 2] |
527 | pop [eax + TCP_SOCKET.RemotePort] |
||
1159 | hidnplayr | 528 | |
2402 | hidnplayr | 529 | pushd [edx + 4] |
530 | pop [eax + IP_SOCKET.RemoteIP] |
||
1159 | hidnplayr | 531 | |
2402 | hidnplayr | 532 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
533 | jne @f |
||
534 | call SOCKET_find_port |
||
1543 | hidnplayr | 535 | @@: |
1159 | hidnplayr | 536 | |
2402 | hidnplayr | 537 | mov [eax + TCP_SOCKET.timer_persist], 0 |
538 | mov [eax + TCP_SOCKET.t_state], TCPS_SYN_SENT |
||
2612 | hidnplayr | 539 | |
2402 | hidnplayr | 540 | push [TCP_sequence_num] |
541 | add [TCP_sequence_num], 6400 |
||
542 | pop [eax + TCP_SOCKET.ISS] |
||
543 | mov [eax + TCP_SOCKET.timer_keepalive], TCP_time_keep_init |
||
1519 | hidnplayr | 544 | |
2612 | hidnplayr | 545 | |
2402 | hidnplayr | 546 | TCP_sendseqinit eax |
1529 | hidnplayr | 547 | |
1543 | hidnplayr | 548 | ; mov [ebx + TCP_SOCKET.timer_retransmission], ;; todo: create macro to set retransmission timer |
1533 | hidnplayr | 549 | |
2402 | hidnplayr | 550 | mov ebx, eax |
1159 | hidnplayr | 551 | |
2402 | hidnplayr | 552 | lea eax, [ebx + STREAM_SOCKET.snd] |
553 | call SOCKET_ring_create |
||
1543 | hidnplayr | 554 | |
2402 | hidnplayr | 555 | lea eax, [ebx + STREAM_SOCKET.rcv] |
556 | call SOCKET_ring_create |
||
1543 | hidnplayr | 557 | |
2402 | hidnplayr | 558 | pusha |
2939 | hidnplayr | 559 | lea ecx, [ebx + SOCKET.mutex] |
2402 | hidnplayr | 560 | call mutex_unlock |
561 | popa |
||
1733 | hidnplayr | 562 | |
2402 | hidnplayr | 563 | mov eax, ebx |
564 | call TCP_output |
||
1733 | hidnplayr | 565 | |
2402 | hidnplayr | 566 | mov dword [esp+32], 0 |
567 | ret |
||
1159 | hidnplayr | 568 | |
1542 | hidnplayr | 569 | align 4 |
570 | .ip: |
||
2402 | hidnplayr | 571 | pusha |
572 | lea ecx, [eax + SOCKET.mutex] |
||
573 | call mutex_lock |
||
574 | popa |
||
1543 | hidnplayr | 575 | |
2402 | hidnplayr | 576 | pushd [edx + 4] |
577 | pop [eax + IP_SOCKET.RemoteIP] |
||
1159 | hidnplayr | 578 | |
2402 | hidnplayr | 579 | push eax |
580 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue |
||
581 | pop eax |
||
1543 | hidnplayr | 582 | |
2402 | hidnplayr | 583 | lea ecx, [eax + SOCKET.mutex] |
584 | call mutex_unlock |
||
1541 | hidnplayr | 585 | |
2402 | hidnplayr | 586 | mov dword [esp+32], 0 |
587 | ret |
||
1541 | hidnplayr | 588 | |
2402 | hidnplayr | 589 | |
1257 | hidnplayr | 590 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 591 | ; |
592 | ; SOCKET_listen |
||
593 | ; |
||
594 | ; IN: socket number in ecx |
||
595 | ; backlog in edx |
||
596 | ; OUT: eax is socket num, -1 on error |
||
597 | ; |
||
1257 | hidnplayr | 598 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 599 | align 4 |
1514 | hidnplayr | 600 | SOCKET_listen: |
1159 | hidnplayr | 601 | |
2891 | hidnplayr | 602 | DEBUGF 1,"SOCKET_listen: socknum=%u backlog=%u\n", ecx, edx |
1159 | hidnplayr | 603 | |
2402 | hidnplayr | 604 | call SOCKET_num_to_ptr |
605 | jz s_error |
||
1159 | hidnplayr | 606 | |
2402 | hidnplayr | 607 | cmp [eax + SOCKET.Domain], AF_INET4 |
608 | jne s_error |
||
1254 | hidnplayr | 609 | |
2402 | hidnplayr | 610 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
611 | jne s_error |
||
1254 | hidnplayr | 612 | |
2402 | hidnplayr | 613 | cmp [eax + TCP_SOCKET.LocalPort], 0 |
614 | je s_error |
||
1514 | hidnplayr | 615 | |
2402 | hidnplayr | 616 | cmp [eax + IP_SOCKET.LocalIP], 0 |
617 | jne @f |
||
618 | push [IP_LIST] |
||
619 | pop [eax + IP_SOCKET.LocalIP] |
||
1543 | hidnplayr | 620 | @@: |
621 | |||
2402 | hidnplayr | 622 | cmp edx, MAX_backlog |
623 | jbe @f |
||
624 | mov edx, MAX_backlog |
||
1543 | hidnplayr | 625 | @@: |
1159 | hidnplayr | 626 | |
2402 | hidnplayr | 627 | mov [eax + SOCKET.backlog], dx |
628 | or [eax + SOCKET.options], SO_ACCEPTCON |
||
629 | mov [eax + TCP_SOCKET.t_state], TCPS_LISTEN |
||
2880 | hidnplayr | 630 | mov [eax + TCP_SOCKET.timer_keepalive], 0 ; disable keepalive timer |
1159 | hidnplayr | 631 | |
2402 | hidnplayr | 632 | push eax |
633 | init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up sockets queue |
||
634 | pop eax |
||
1543 | hidnplayr | 635 | |
2402 | hidnplayr | 636 | mov dword [esp+32], 0 |
1514 | hidnplayr | 637 | |
2402 | hidnplayr | 638 | ret |
1159 | hidnplayr | 639 | |
640 | |||
1257 | hidnplayr | 641 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 642 | ; |
643 | ; SOCKET_accept |
||
644 | ; |
||
645 | ; IN: socket number in ecx |
||
646 | ; addr in edx |
||
647 | ; addrlen in esi |
||
648 | ; OUT: eax is socket num, -1 on error |
||
649 | ; |
||
1257 | hidnplayr | 650 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 651 | align 4 |
1514 | hidnplayr | 652 | SOCKET_accept: |
1159 | hidnplayr | 653 | |
2891 | hidnplayr | 654 | DEBUGF 1,"SOCKET_accept: socknum=%u sockaddr=%x length=%u\n", ecx, edx, esi |
1159 | hidnplayr | 655 | |
2402 | hidnplayr | 656 | call SOCKET_num_to_ptr |
657 | jz s_error |
||
1159 | hidnplayr | 658 | |
2402 | hidnplayr | 659 | test [eax + SOCKET.options], SO_ACCEPTCON |
660 | jz s_error |
||
1543 | hidnplayr | 661 | |
2402 | hidnplayr | 662 | cmp [eax + SOCKET.Domain], AF_INET4 |
663 | jne s_error |
||
1249 | hidnplayr | 664 | |
2402 | hidnplayr | 665 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
666 | jne s_error |
||
1249 | hidnplayr | 667 | |
2402 | hidnplayr | 668 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, s_error |
2572 | hidnplayr | 669 | mov eax, [esi] |
1249 | hidnplayr | 670 | |
2572 | hidnplayr | 671 | ; Change PID to that of the current process |
672 | mov ebx, [TASK_BASE] |
||
673 | mov ebx, [ebx + TASKDATA.pid] |
||
674 | mov [eax + SOCKET.PID], ebx |
||
675 | |||
2402 | hidnplayr | 676 | call SOCKET_ptr_to_num |
677 | jz s_error |
||
678 | mov [esp+32], eax |
||
679 | ret |
||
1514 | hidnplayr | 680 | |
1159 | hidnplayr | 681 | |
1257 | hidnplayr | 682 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 683 | ; |
684 | ; SOCKET_close |
||
685 | ; |
||
686 | ; IN: socket number in ecx |
||
687 | ; OUT: eax is socket num, -1 on error |
||
688 | ; |
||
1257 | hidnplayr | 689 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 690 | align 4 |
1514 | hidnplayr | 691 | SOCKET_close: |
1159 | hidnplayr | 692 | |
2891 | hidnplayr | 693 | DEBUGF 1,"SOCKET_close: %u\n", ecx |
1159 | hidnplayr | 694 | |
2402 | hidnplayr | 695 | call SOCKET_num_to_ptr |
696 | jz s_error |
||
1159 | hidnplayr | 697 | |
2402 | hidnplayr | 698 | cmp [eax + SOCKET.Domain], AF_INET4 |
699 | jne s_error |
||
1159 | hidnplayr | 700 | |
2402 | hidnplayr | 701 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
702 | je .free |
||
1159 | hidnplayr | 703 | |
2402 | hidnplayr | 704 | cmp [eax + SOCKET.Protocol], IP_PROTO_ICMP |
705 | je .free |
||
1159 | hidnplayr | 706 | |
2402 | hidnplayr | 707 | cmp [eax + SOCKET.Protocol], IP_PROTO_IP |
708 | je .free |
||
1542 | hidnplayr | 709 | |
2402 | hidnplayr | 710 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
711 | je .tcp |
||
1159 | hidnplayr | 712 | |
2402 | hidnplayr | 713 | jmp s_error |
1159 | hidnplayr | 714 | |
715 | .tcp: |
||
2402 | hidnplayr | 716 | cmp [eax + TCP_SOCKET.t_state], TCPS_SYN_RECEIVED ; state must be LISTEN, SYN_SENT or CLOSED |
717 | jb .free |
||
1318 | hidnplayr | 718 | |
2890 | hidnplayr | 719 | call TCP_usrclosed |
2891 | hidnplayr | 720 | call TCP_output ;;;; Fixme: is this nescessary?? |
2402 | hidnplayr | 721 | mov dword [esp+32], 0 |
1159 | hidnplayr | 722 | |
2402 | hidnplayr | 723 | ret |
1159 | hidnplayr | 724 | |
1514 | hidnplayr | 725 | .free: |
2402 | hidnplayr | 726 | call SOCKET_free |
727 | mov dword [esp+32], 0 |
||
1159 | hidnplayr | 728 | |
2402 | hidnplayr | 729 | ret |
1159 | hidnplayr | 730 | |
731 | |||
1257 | hidnplayr | 732 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 733 | ; |
734 | ; SOCKET_receive |
||
735 | ; |
||
736 | ; IN: socket number in ecx |
||
1249 | hidnplayr | 737 | ; addr to buffer in edx |
738 | ; length of buffer in esi |
||
1159 | hidnplayr | 739 | ; flags in edi |
740 | ; OUT: eax is number of bytes copied, -1 on error |
||
741 | ; |
||
1257 | hidnplayr | 742 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 743 | align 4 |
1514 | hidnplayr | 744 | SOCKET_receive: |
1159 | hidnplayr | 745 | |
2891 | hidnplayr | 746 | DEBUGF 1,"SOCKET_receive: socknum=%u bufaddr=%x buflength=%u flags=%x\n", ecx, edx, esi, edi |
1514 | hidnplayr | 747 | |
2402 | hidnplayr | 748 | call SOCKET_num_to_ptr |
749 | jz s_error |
||
1159 | hidnplayr | 750 | |
2402 | hidnplayr | 751 | jmp [eax + SOCKET.rcv_proc] |
1533 | hidnplayr | 752 | |
1536 | hidnplayr | 753 | |
754 | align 4 |
||
1541 | hidnplayr | 755 | SOCKET_receive_dgram: |
1536 | hidnplayr | 756 | |
2402 | hidnplayr | 757 | DEBUGF 1,"SOCKET_receive: DGRAM\n" |
1536 | hidnplayr | 758 | |
2402 | hidnplayr | 759 | mov ebx, esi |
760 | mov edi, edx ; addr to buffer |
||
1159 | hidnplayr | 761 | |
2402 | hidnplayr | 762 | get_from_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, s_error ; destroys esi and ecx |
1536 | hidnplayr | 763 | |
2402 | hidnplayr | 764 | mov ecx, [esi + socket_queue_entry.data_size] |
2891 | hidnplayr | 765 | DEBUGF 1,"SOCKET_receive: %u bytes data\n", ecx |
1159 | hidnplayr | 766 | |
2402 | hidnplayr | 767 | cmp ecx, ebx |
768 | ja .too_small |
||
1514 | hidnplayr | 769 | |
2402 | hidnplayr | 770 | push [esi + socket_queue_entry.buf_ptr] ; save the buffer addr so we can clear it later |
771 | mov esi, [esi + socket_queue_entry.data_ptr] |
||
2891 | hidnplayr | 772 | DEBUGF 1,"SOCKET_receive: Source buffer=%x real addr=%x\n", [esp], esi |
2402 | hidnplayr | 773 | mov [esp+32+4], ecx ; return number of bytes copied |
1159 | hidnplayr | 774 | |
1514 | hidnplayr | 775 | ; copy the data |
2402 | hidnplayr | 776 | shr ecx, 1 |
777 | jnc .nb |
||
778 | movsb |
||
1536 | hidnplayr | 779 | .nb: |
2402 | hidnplayr | 780 | shr ecx, 1 |
781 | jnc .nw |
||
782 | movsw |
||
1536 | hidnplayr | 783 | .nw: |
2402 | hidnplayr | 784 | test ecx, ecx |
785 | jz .nd |
||
786 | rep movsd |
||
1536 | hidnplayr | 787 | .nd: |
1159 | hidnplayr | 788 | |
2402 | hidnplayr | 789 | call kernel_free ; remove the packet |
790 | ret |
||
1514 | hidnplayr | 791 | |
1536 | hidnplayr | 792 | .too_small: |
1533 | hidnplayr | 793 | |
2891 | hidnplayr | 794 | DEBUGF 1,"SOCKET_receive: Buffer too small\n" |
2402 | hidnplayr | 795 | jmp s_error |
1536 | hidnplayr | 796 | |
797 | align 4 |
||
798 | SOCKET_receive_tcp: |
||
799 | |||
2402 | hidnplayr | 800 | DEBUGF 1,"SOCKET_receive: TCP\n" |
1536 | hidnplayr | 801 | |
2402 | hidnplayr | 802 | mov ecx, esi |
803 | mov edi, edx |
||
804 | add eax, STREAM_SOCKET.rcv |
||
2893 | hidnplayr | 805 | xor edx, edx |
2402 | hidnplayr | 806 | call SOCKET_ring_read |
807 | call SOCKET_ring_free |
||
1533 | hidnplayr | 808 | |
2402 | hidnplayr | 809 | mov [esp+32], ecx ; return number of bytes copied |
1533 | hidnplayr | 810 | |
2402 | hidnplayr | 811 | ret |
1159 | hidnplayr | 812 | |
813 | |||
1257 | hidnplayr | 814 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 815 | ; |
816 | ; SOCKET_send |
||
817 | ; |
||
818 | ; |
||
819 | ; IN: socket number in ecx |
||
1206 | hidnplayr | 820 | ; pointer to data in edx |
821 | ; datalength in esi |
||
1159 | hidnplayr | 822 | ; flags in edi |
823 | ; OUT: -1 on error |
||
824 | ; |
||
1257 | hidnplayr | 825 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 826 | align 4 |
1514 | hidnplayr | 827 | SOCKET_send: |
1159 | hidnplayr | 828 | |
2891 | hidnplayr | 829 | DEBUGF 1,"SOCKET_send: socknum=%u data ptr=%x length=%u flags=%x\n", ecx, edx, esi, edi |
1159 | hidnplayr | 830 | |
2402 | hidnplayr | 831 | call SOCKET_num_to_ptr |
832 | jz s_error |
||
1159 | hidnplayr | 833 | |
2402 | hidnplayr | 834 | mov ecx, esi |
835 | mov esi, edx |
||
1763 | hidnplayr | 836 | |
2402 | hidnplayr | 837 | jmp [eax + SOCKET.snd_proc] |
1206 | hidnplayr | 838 | |
839 | |||
1536 | hidnplayr | 840 | align 4 |
841 | SOCKET_send_udp: |
||
1529 | hidnplayr | 842 | |
2402 | hidnplayr | 843 | DEBUGF 1,"SOCKET_send: UDP\n" |
1159 | hidnplayr | 844 | |
2573 | hidnplayr | 845 | mov [esp+32], ecx |
2402 | hidnplayr | 846 | call UDP_output |
2573 | hidnplayr | 847 | cmp eax, -1 |
848 | je s_error |
||
2402 | hidnplayr | 849 | ret |
1159 | hidnplayr | 850 | |
851 | |||
1536 | hidnplayr | 852 | align 4 |
853 | SOCKET_send_tcp: |
||
1254 | hidnplayr | 854 | |
2402 | hidnplayr | 855 | DEBUGF 1,"SOCKET_send: TCP\n" |
1254 | hidnplayr | 856 | |
2402 | hidnplayr | 857 | push eax |
858 | add eax, STREAM_SOCKET.snd |
||
859 | call SOCKET_ring_write |
||
860 | pop eax |
||
1536 | hidnplayr | 861 | |
2621 | hidnplayr | 862 | mov [esp+32], ecx |
863 | |||
2402 | hidnplayr | 864 | call TCP_output |
865 | ret |
||
1159 | hidnplayr | 866 | |
1249 | hidnplayr | 867 | |
1543 | hidnplayr | 868 | align 4 |
869 | SOCKET_send_ip: |
||
1249 | hidnplayr | 870 | |
2891 | hidnplayr | 871 | DEBUGF 1,"SOCKET_send: IPv4\n" |
1543 | hidnplayr | 872 | |
2573 | hidnplayr | 873 | mov [esp+32], ecx |
2402 | hidnplayr | 874 | call IPv4_output_raw |
2573 | hidnplayr | 875 | cmp eax, -1 |
876 | je s_error |
||
2402 | hidnplayr | 877 | ret |
1543 | hidnplayr | 878 | |
2573 | hidnplayr | 879 | |
1541 | hidnplayr | 880 | align 4 |
881 | SOCKET_send_icmp: |
||
1249 | hidnplayr | 882 | |
2402 | hidnplayr | 883 | DEBUGF 1,"SOCKET_send: ICMP\n" |
1541 | hidnplayr | 884 | |
2573 | hidnplayr | 885 | mov [esp+32], ecx |
2402 | hidnplayr | 886 | call ICMP_output_raw |
2573 | hidnplayr | 887 | cmp eax, -1 |
888 | je s_error |
||
2402 | hidnplayr | 889 | ret |
1541 | hidnplayr | 890 | |
891 | |||
2931 | hidnplayr | 892 | align 4 |
893 | SOCKET_send_pppoe: |
||
1541 | hidnplayr | 894 | |
2931 | hidnplayr | 895 | DEBUGF 1,"SOCKET_send: PPPoE\n" |
1541 | hidnplayr | 896 | |
2931 | hidnplayr | 897 | mov [esp+32], ecx |
898 | mov ebx, [eax + SOCKET.device] |
||
899 | |||
900 | mov ecx, esi |
||
901 | call PPPoE_discovery_output |
||
902 | cmp eax, -1 |
||
903 | je s_error |
||
904 | ret |
||
905 | |||
906 | |||
907 | |||
908 | |||
1257 | hidnplayr | 909 | ;----------------------------------------------------------------- |
1256 | clevermous | 910 | ; |
1257 | hidnplayr | 911 | ; SOCKET_get_options |
1256 | clevermous | 912 | ; |
1514 | hidnplayr | 913 | ; IN: ecx = socket number |
914 | ; edx = pointer to the options: |
||
1257 | hidnplayr | 915 | ; dd level, optname, optval, optlen |
1256 | clevermous | 916 | ; OUT: -1 on error |
917 | ; |
||
918 | ; At moment, uses only pseudo-optname -2 for get last_ack_number for TCP. |
||
919 | ; TODO: find best way to notify that send()'ed data were acknowledged |
||
1831 | hidnplayr | 920 | ; Also pseudo-optname -3 is valid and returns socket state, one of TCPS_*. |
1256 | clevermous | 921 | ; |
1257 | hidnplayr | 922 | ;----------------------------------------------------------------- |
923 | align 4 |
||
1514 | hidnplayr | 924 | SOCKET_get_opt: |
1257 | hidnplayr | 925 | |
2402 | hidnplayr | 926 | DEBUGF 1,"SOCKET_get_opt\n" |
1514 | hidnplayr | 927 | |
2402 | hidnplayr | 928 | call SOCKET_num_to_ptr |
929 | jz s_error |
||
1514 | hidnplayr | 930 | |
2402 | hidnplayr | 931 | cmp dword [edx], IP_PROTO_TCP |
932 | jne s_error |
||
933 | cmp dword [edx+4], -2 |
||
934 | je @f |
||
935 | cmp dword [edx+4], -3 |
||
936 | jne s_error |
||
1299 | clevermous | 937 | @@: |
1514 | hidnplayr | 938 | ; mov eax, [edx+12] |
939 | ; test eax, eax |
||
940 | ; jz .fail |
||
941 | ; cmp dword [eax], 4 |
||
942 | ; mov dword [eax], 4 |
||
943 | ; jb .fail |
||
944 | ; stdcall net_socket_num_to_addr, ecx |
||
945 | ; test eax, eax |
||
946 | ; jz .fail |
||
947 | ; ; todo: check that eax is really TCP socket |
||
948 | ; mov ecx, [eax + TCP_SOCKET.last_ack_number] |
||
949 | ; cmp dword [edx+4], -2 |
||
950 | ; jz @f |
||
951 | ; mov ecx, [eax + TCP_SOCKET.state] |
||
1299 | clevermous | 952 | @@: |
2402 | hidnplayr | 953 | mov eax, [edx+8] |
954 | test eax, eax |
||
955 | jz @f |
||
956 | mov [eax], ecx |
||
1256 | clevermous | 957 | @@: |
2402 | hidnplayr | 958 | mov dword [esp+32], 0 |
959 | ret |
||
1159 | hidnplayr | 960 | |
961 | |||
1529 | hidnplayr | 962 | |
2731 | hidnplayr | 963 | ;----------------------------------------------------------------- |
964 | ; |
||
965 | ; SOCKET_set_options |
||
966 | ; |
||
967 | ; IN: ecx = socket number |
||
968 | ; edx = pointer to the options: |
||
2877 | hidnplayr | 969 | ; dd level, optname, optlen, optval |
2731 | hidnplayr | 970 | ; OUT: -1 on error |
971 | ; |
||
972 | ;----------------------------------------------------------------- |
||
1542 | hidnplayr | 973 | align 4 |
974 | SOCKET_set_opt: |
||
975 | |||
2731 | hidnplayr | 976 | DEBUGF 1,"SOCKET_set_opt\n" |
977 | |||
978 | call SOCKET_num_to_ptr |
||
979 | jz s_error |
||
980 | |||
2877 | hidnplayr | 981 | cmp dword [edx], SOL_SOCKET |
982 | jne s_error |
||
2731 | hidnplayr | 983 | |
2877 | hidnplayr | 984 | cmp dword [edx+4], SO_BINDTODEVICE |
985 | je .bind |
||
2731 | hidnplayr | 986 | |
2877 | hidnplayr | 987 | jmp s_error |
988 | |||
989 | .bind: |
||
990 | cmp dword [edx+8], 0 |
||
991 | je .unbind |
||
992 | |||
993 | movzx edx, byte [edx + 9] |
||
994 | cmp edx, MAX_NET_DEVICES |
||
995 | ja s_error |
||
996 | |||
997 | mov edx, [NET_DRV_LIST + 4*edx] |
||
998 | test edx, edx |
||
999 | jz s_error |
||
1000 | mov [eax + SOCKET.device], edx |
||
1001 | |||
2891 | hidnplayr | 1002 | DEBUGF 1,"SOCKET_set_opt: Bound socket %x to device %x\n",eax, edx |
2877 | hidnplayr | 1003 | |
1004 | mov dword [esp+32], 0 ; success! |
||
2402 | hidnplayr | 1005 | ret |
1542 | hidnplayr | 1006 | |
2877 | hidnplayr | 1007 | .unbind: |
1008 | mov [eax + SOCKET.device], 0 |
||
1542 | hidnplayr | 1009 | |
2877 | hidnplayr | 1010 | mov dword [esp+32], 0 ; success! |
1011 | ret |
||
1542 | hidnplayr | 1012 | |
2877 | hidnplayr | 1013 | |
1014 | |||
1257 | hidnplayr | 1015 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 1016 | ; |
1529 | hidnplayr | 1017 | ; SOCKET_debug |
1018 | ; |
||
1019 | ; Copies socket variables to application buffer |
||
1020 | ; |
||
1021 | ; IN: ecx = socket number |
||
1022 | ; edx = pointer to buffer |
||
1023 | ; |
||
1024 | ; OUT: -1 on error |
||
1025 | ;----------------------------------------------------------------- |
||
1026 | align 4 |
||
1027 | SOCKET_debug: |
||
1028 | |||
2891 | hidnplayr | 1029 | DEBUGF 1,"SOCKET_debug\n" |
1529 | hidnplayr | 1030 | |
2402 | hidnplayr | 1031 | call SOCKET_num_to_ptr |
1032 | jz s_error |
||
1529 | hidnplayr | 1033 | |
2402 | hidnplayr | 1034 | mov esi, eax |
1035 | mov edi, edx |
||
1036 | mov ecx, SOCKETBUFFSIZE/4 |
||
1037 | rep movsd |
||
1529 | hidnplayr | 1038 | |
2402 | hidnplayr | 1039 | mov dword [esp+32], 0 |
1040 | ret |
||
1529 | hidnplayr | 1041 | |
1042 | |||
1043 | ;----------------------------------------------------------------- |
||
1044 | ; |
||
1514 | hidnplayr | 1045 | ; SOCKET_find_port |
1206 | hidnplayr | 1046 | ; |
1514 | hidnplayr | 1047 | ; Fills in the local port number for TCP and UDP sockets |
1048 | ; This procedure always works because the number of sockets is |
||
1049 | ; limited to a smaller number then the number of possible ports |
||
1206 | hidnplayr | 1050 | ; |
1514 | hidnplayr | 1051 | ; IN: eax = socket pointer |
1052 | ; OUT: / |
||
1206 | hidnplayr | 1053 | ; |
1257 | hidnplayr | 1054 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 1055 | align 4 |
1514 | hidnplayr | 1056 | SOCKET_find_port: |
1159 | hidnplayr | 1057 | |
2402 | hidnplayr | 1058 | DEBUGF 1,"SOCKET_find_port\n" |
1159 | hidnplayr | 1059 | |
2402 | hidnplayr | 1060 | push ebx esi ecx |
1514 | hidnplayr | 1061 | |
2402 | hidnplayr | 1062 | cmp [eax + SOCKET.Protocol], IP_PROTO_UDP |
1063 | je .udp |
||
1159 | hidnplayr | 1064 | |
2402 | hidnplayr | 1065 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1066 | je .tcp |
||
1159 | hidnplayr | 1067 | |
2402 | hidnplayr | 1068 | jmp .error |
1514 | hidnplayr | 1069 | |
1070 | .done: |
||
2402 | hidnplayr | 1071 | mov [eax + UDP_SOCKET.LocalPort], bx |
1514 | hidnplayr | 1072 | .error: |
2402 | hidnplayr | 1073 | pop ecx esi ebx |
1074 | ret |
||
1514 | hidnplayr | 1075 | |
1206 | hidnplayr | 1076 | .udp: |
2402 | hidnplayr | 1077 | mov bx, [last_UDP_port] |
1078 | call .findit |
||
1079 | mov [last_UDP_port], bx |
||
1080 | jmp .done |
||
1206 | hidnplayr | 1081 | |
1082 | .tcp: |
||
2402 | hidnplayr | 1083 | mov bx, [last_TCP_port] |
1084 | call .findit |
||
1085 | mov [last_TCP_port], bx |
||
1086 | jmp .done |
||
1206 | hidnplayr | 1087 | |
1088 | |||
1514 | hidnplayr | 1089 | .restart: |
2402 | hidnplayr | 1090 | mov bx, MIN_EPHEMERAL_PORT |
1514 | hidnplayr | 1091 | .findit: |
2402 | hidnplayr | 1092 | inc bx |
1206 | hidnplayr | 1093 | |
2402 | hidnplayr | 1094 | cmp bx, MAX_EPHEMERAL_PORT |
1095 | jz .restart |
||
1206 | hidnplayr | 1096 | |
2402 | hidnplayr | 1097 | call SOCKET_check_port |
1098 | jz .findit |
||
1206 | hidnplayr | 1099 | |
2402 | hidnplayr | 1100 | ret |
1206 | hidnplayr | 1101 | |
1257 | hidnplayr | 1102 | |
1103 | |||
1104 | ;----------------------------------------------------------------- |
||
1206 | hidnplayr | 1105 | ; |
1542 | hidnplayr | 1106 | ; SOCKET_check_port (to be used with AF_INET only!) |
1206 | hidnplayr | 1107 | ; |
1514 | hidnplayr | 1108 | ; Checks if a local port number is unused |
1109 | ; If the proposed port number is unused, it is filled in in the socket structure |
||
1206 | hidnplayr | 1110 | ; |
1514 | hidnplayr | 1111 | ; IN: eax = socket ptr (to find out if its a TCP/UDP socket) |
1112 | ; bx = proposed socket number |
||
1206 | hidnplayr | 1113 | ; |
1514 | hidnplayr | 1114 | ; OUT: ZF = cleared on error |
1115 | ; |
||
1257 | hidnplayr | 1116 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 1117 | align 4 |
1514 | hidnplayr | 1118 | SOCKET_check_port: |
1119 | |||
2891 | hidnplayr | 1120 | DEBUGF 1,"SOCKET_check_port: " |
1514 | hidnplayr | 1121 | |
2402 | hidnplayr | 1122 | mov ecx, [eax + SOCKET.Protocol] |
2622 | hidnplayr | 1123 | mov edx, [eax + IP_SOCKET.LocalIP] |
2402 | hidnplayr | 1124 | mov esi, net_sockets |
1206 | hidnplayr | 1125 | |
1126 | .next_socket: |
||
2402 | hidnplayr | 1127 | mov esi, [esi + SOCKET.NextPtr] |
1128 | or esi, esi |
||
1129 | jz .port_ok |
||
1206 | hidnplayr | 1130 | |
2402 | hidnplayr | 1131 | cmp [esi + SOCKET.Protocol], ecx |
1132 | jne .next_socket |
||
1206 | hidnplayr | 1133 | |
2622 | hidnplayr | 1134 | cmp [esi + IP_SOCKET.LocalIP], edx |
1135 | jne .next_socket |
||
1136 | |||
2402 | hidnplayr | 1137 | cmp [esi + UDP_SOCKET.LocalPort], bx |
1138 | jne .next_socket |
||
1206 | hidnplayr | 1139 | |
2402 | hidnplayr | 1140 | DEBUGF 1,"local port %u already in use\n", bx |
1141 | ret |
||
1206 | hidnplayr | 1142 | |
1143 | .port_ok: |
||
2891 | hidnplayr | 1144 | DEBUGF 1,"local port %u is free\n", bx |
2402 | hidnplayr | 1145 | mov [eax + UDP_SOCKET.LocalPort], bx |
1146 | or bx, bx ; set the zero-flag |
||
1514 | hidnplayr | 1147 | |
2402 | hidnplayr | 1148 | ret |
1206 | hidnplayr | 1149 | |
1150 | |||
1257 | hidnplayr | 1151 | |
1152 | ;----------------------------------------------------------------- |
||
1206 | hidnplayr | 1153 | ; |
1514 | hidnplayr | 1154 | ; SOCKET_input |
1206 | hidnplayr | 1155 | ; |
1536 | hidnplayr | 1156 | ; Updates a (stateless) socket with received data |
1206 | hidnplayr | 1157 | ; |
1514 | hidnplayr | 1158 | ; Note: the mutex should already be set ! |
1206 | hidnplayr | 1159 | ; |
1249 | hidnplayr | 1160 | ; IN: eax = socket ptr |
1514 | hidnplayr | 1161 | ; ecx = data size |
1162 | ; esi = ptr to data |
||
1163 | ; [esp] = ptr to buf |
||
1164 | ; [esp + 4] = buf size |
||
1249 | hidnplayr | 1165 | ; |
1514 | hidnplayr | 1166 | ; OUT: / |
1206 | hidnplayr | 1167 | ; |
1257 | hidnplayr | 1168 | ;----------------------------------------------------------------- |
1206 | hidnplayr | 1169 | align 4 |
1514 | hidnplayr | 1170 | SOCKET_input: |
1206 | hidnplayr | 1171 | |
2402 | hidnplayr | 1172 | DEBUGF 1,"SOCKET_input: socket=%x, data=%x size=%u\n", eax, esi, ecx |
1206 | hidnplayr | 1173 | |
2402 | hidnplayr | 1174 | mov [esp+4], ecx |
1175 | push esi |
||
1176 | mov esi, esp |
||
1514 | hidnplayr | 1177 | |
2402 | hidnplayr | 1178 | add_to_queue (eax + SOCKET_QUEUE_LOCATION), SOCKET_QUEUE_SIZE, sizeof.socket_queue_entry, SOCKET_input.full |
1514 | hidnplayr | 1179 | |
2402 | hidnplayr | 1180 | DEBUGF 1,"SOCKET_input: queued packet successfully\n" |
1181 | add esp, sizeof.socket_queue_entry |
||
1206 | hidnplayr | 1182 | |
2402 | hidnplayr | 1183 | pusha |
1184 | lea ecx, [eax + SOCKET.mutex] |
||
1185 | call mutex_unlock |
||
1186 | popa |
||
1187 | |||
1188 | jmp SOCKET_notify_owner |
||
1189 | |||
1514 | hidnplayr | 1190 | .full: |
2402 | hidnplayr | 1191 | DEBUGF 2,"SOCKET_input: socket %x is full!\n", eax |
1206 | hidnplayr | 1192 | |
2402 | hidnplayr | 1193 | pusha |
1194 | lea ecx, [eax + SOCKET.mutex] |
||
1195 | call mutex_unlock |
||
1196 | popa |
||
1514 | hidnplayr | 1197 | |
2402 | hidnplayr | 1198 | call kernel_free |
1199 | add esp, 8 |
||
1533 | hidnplayr | 1200 | |
2402 | hidnplayr | 1201 | ret |
1202 | |||
1203 | |||
1533 | hidnplayr | 1204 | ;-------------------------- |
1205 | ; |
||
1206 | ; eax = ptr to ring struct (just a buffer of the right size) |
||
1207 | ; |
||
1208 | align 4 |
||
1209 | SOCKET_ring_create: |
||
1210 | |||
2402 | hidnplayr | 1211 | push esi |
1212 | mov esi, eax |
||
1543 | hidnplayr | 1213 | |
2402 | hidnplayr | 1214 | push edx |
1215 | stdcall create_ring_buffer, SOCKET_MAXDATA, PG_SW |
||
1216 | pop edx |
||
1533 | hidnplayr | 1217 | |
2402 | hidnplayr | 1218 | DEBUGF 1,"SOCKET_ring_created: %x\n", eax |
1219 | mov [esi + RING_BUFFER.start_ptr], eax |
||
1220 | mov [esi + RING_BUFFER.write_ptr], eax |
||
1221 | mov [esi + RING_BUFFER.read_ptr], eax |
||
1222 | mov [esi + RING_BUFFER.size], 0 |
||
2888 | hidnplayr | 1223 | add eax, SOCKET_MAXDATA |
2402 | hidnplayr | 1224 | mov [esi + RING_BUFFER.end_ptr], eax |
1225 | mov eax, esi |
||
1226 | pop esi |
||
1533 | hidnplayr | 1227 | |
2402 | hidnplayr | 1228 | ret |
1533 | hidnplayr | 1229 | |
1514 | hidnplayr | 1230 | ;----------------------------------------------------------------- |
1231 | ; |
||
1533 | hidnplayr | 1232 | ; SOCKET_ring_write |
1529 | hidnplayr | 1233 | ; |
1533 | hidnplayr | 1234 | ; Adds data to a stream socket, and updates write pointer and size |
1529 | hidnplayr | 1235 | ; |
1236 | ; IN: eax = ptr to ring struct |
||
1237 | ; ecx = data size |
||
1238 | ; esi = ptr to data |
||
1239 | ; |
||
1533 | hidnplayr | 1240 | ; OUT: ecx = number of bytes stored |
1529 | hidnplayr | 1241 | ; |
1242 | ;----------------------------------------------------------------- |
||
1243 | align 4 |
||
1533 | hidnplayr | 1244 | SOCKET_ring_write: |
1529 | hidnplayr | 1245 | |
2402 | hidnplayr | 1246 | DEBUGF 1,"SOCKET_ring_write: ringbuff=%x ptr=%x size=%u\n", eax, esi, ecx |
1529 | hidnplayr | 1247 | |
2402 | hidnplayr | 1248 | add [eax + RING_BUFFER.size], ecx |
2573 | hidnplayr | 1249 | jc .way_too_large |
2402 | hidnplayr | 1250 | cmp [eax + RING_BUFFER.size], SOCKET_MAXDATA |
1251 | ja .too_large |
||
1529 | hidnplayr | 1252 | |
1253 | .copy: |
||
2402 | hidnplayr | 1254 | mov edi, [eax + RING_BUFFER.write_ptr] |
1255 | DEBUGF 2,"SOCKET_ring_write: %u bytes from %x to %x\n", ecx, esi, edi |
||
1529 | hidnplayr | 1256 | |
2402 | hidnplayr | 1257 | push ecx |
1258 | shr ecx, 1 |
||
1259 | jnc .nb |
||
1260 | movsb |
||
1536 | hidnplayr | 1261 | .nb: |
2402 | hidnplayr | 1262 | shr ecx, 1 |
1263 | jnc .nw |
||
1264 | movsw |
||
1536 | hidnplayr | 1265 | .nw: |
2402 | hidnplayr | 1266 | test ecx, ecx |
1267 | jz .nd |
||
1268 | rep movsd |
||
1536 | hidnplayr | 1269 | .nd: |
2402 | hidnplayr | 1270 | pop ecx |
1529 | hidnplayr | 1271 | |
2402 | hidnplayr | 1272 | cmp edi, [eax + RING_BUFFER.end_ptr] |
1273 | jae .wrap |
||
1274 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1533 | hidnplayr | 1275 | |
2402 | hidnplayr | 1276 | ret |
1529 | hidnplayr | 1277 | |
1533 | hidnplayr | 1278 | .wrap: |
2402 | hidnplayr | 1279 | sub edi, SOCKET_MAXDATA |
1280 | mov [eax + RING_BUFFER.write_ptr], edi |
||
1533 | hidnplayr | 1281 | |
2402 | hidnplayr | 1282 | ret |
1533 | hidnplayr | 1283 | |
2404 | hidnplayr | 1284 | .too_large: ; update size, we will fill buffer completely |
1285 | sub [eax + RING_BUFFER.size], SOCKET_MAXDATA |
||
2402 | hidnplayr | 1286 | sub ecx, [eax + RING_BUFFER.size] |
2404 | hidnplayr | 1287 | mov [eax + RING_BUFFER.size], SOCKET_MAXDATA |
2573 | hidnplayr | 1288 | ja .copy |
1529 | hidnplayr | 1289 | |
2573 | hidnplayr | 1290 | .full: |
2402 | hidnplayr | 1291 | DEBUGF 2,"SOCKET_ring_write: ring buffer is full!\n" |
1292 | xor ecx, ecx |
||
1293 | ret |
||
1529 | hidnplayr | 1294 | |
2573 | hidnplayr | 1295 | .way_too_large: |
1296 | sub [eax + RING_BUFFER.size], ecx |
||
1297 | mov ecx, SOCKET_MAXDATA |
||
1298 | sub ecx, [eax + RING_BUFFER.size] |
||
1299 | ja .copy |
||
1300 | jmp .full |
||
1529 | hidnplayr | 1301 | |
2573 | hidnplayr | 1302 | |
1303 | |||
1529 | hidnplayr | 1304 | ;----------------------------------------------------------------- |
1305 | ; |
||
1306 | ; SOCKET_ring_read |
||
1307 | ; |
||
2893 | hidnplayr | 1308 | ; IN: eax = ring struct ptr |
1309 | ; ecx = bytes to read |
||
1310 | ; edx = offset |
||
1529 | hidnplayr | 1311 | ; edi = ptr to buffer |
1312 | ; |
||
2893 | hidnplayr | 1313 | ; OUT: ecx = number of bytes read (0 on error) |
1529 | hidnplayr | 1314 | ; |
1315 | ;----------------------------------------------------------------- |
||
1316 | align 4 |
||
1317 | SOCKET_ring_read: |
||
1318 | |||
2893 | hidnplayr | 1319 | DEBUGF 1,"SOCKET_ring_read: ringbuff=%x ptr=%x size=%u offset=%x\n", eax, edi, ecx, edx |
1529 | hidnplayr | 1320 | |
2893 | hidnplayr | 1321 | mov esi, [eax + RING_BUFFER.read_ptr] |
1322 | add esi, edx ; esi = start_ptr + offset |
||
1323 | |||
1324 | neg edx |
||
1325 | add edx, [eax + RING_BUFFER.size] ; edx = snd.size - offset |
||
1326 | jle .no_data_at_all |
||
1327 | |||
1328 | cmp ecx, edx |
||
2402 | hidnplayr | 1329 | ja .less_data |
1529 | hidnplayr | 1330 | |
1331 | .copy: |
||
2402 | hidnplayr | 1332 | DEBUGF 2,"SOCKET_ring_read: %u bytes from %x to %x\n", ecx, esi, edi |
1333 | push ecx |
||
1334 | shr ecx, 1 |
||
1335 | jnc .nb |
||
1336 | movsb |
||
1536 | hidnplayr | 1337 | .nb: |
2402 | hidnplayr | 1338 | shr ecx, 1 |
1339 | jnc .nw |
||
1340 | movsw |
||
1536 | hidnplayr | 1341 | .nw: |
2402 | hidnplayr | 1342 | test ecx, ecx |
1343 | jz .nd |
||
1344 | rep movsd |
||
1536 | hidnplayr | 1345 | .nd: |
2402 | hidnplayr | 1346 | pop ecx |
2893 | hidnplayr | 1347 | ret |
1529 | hidnplayr | 1348 | |
1830 | hidnplayr | 1349 | .no_data_at_all: |
2894 | hidnplayr | 1350 | DEBUGF 1,"SOCKET_ring_read: no data at all!\n" |
2402 | hidnplayr | 1351 | ret |
1529 | hidnplayr | 1352 | |
1533 | hidnplayr | 1353 | .less_data: |
2893 | hidnplayr | 1354 | mov ecx, edx |
2402 | hidnplayr | 1355 | jmp .copy |
1529 | hidnplayr | 1356 | |
1357 | |||
1358 | ;----------------------------------------------------------------- |
||
1359 | ; |
||
1360 | ; SOCKET_ring_free |
||
1361 | ; |
||
1362 | ; Free's some bytes from the ringbuffer |
||
1363 | ; |
||
1364 | ; IN: eax = ptr to ring struct |
||
1365 | ; ecx = data size |
||
1366 | ; |
||
1367 | ; OUT: ecx = number of bytes free-ed |
||
1368 | ; |
||
1369 | ;----------------------------------------------------------------- |
||
1370 | align 4 |
||
1371 | SOCKET_ring_free: |
||
1372 | |||
2402 | hidnplayr | 1373 | DEBUGF 1,"SOCKET_ring_free: %u bytes from ring %x\n", ecx, eax |
1529 | hidnplayr | 1374 | |
2402 | hidnplayr | 1375 | sub [eax + RING_BUFFER.size], ecx |
2888 | hidnplayr | 1376 | jb .error |
2402 | hidnplayr | 1377 | add [eax + RING_BUFFER.read_ptr], ecx |
1529 | hidnplayr | 1378 | |
2402 | hidnplayr | 1379 | mov edx, [eax + RING_BUFFER.end_ptr] |
1380 | cmp [eax + RING_BUFFER.read_ptr], edx |
||
1381 | jb @f |
||
1382 | sub [eax + RING_BUFFER.read_ptr], SOCKET_MAXDATA |
||
1529 | hidnplayr | 1383 | @@: |
2402 | hidnplayr | 1384 | ret |
1529 | hidnplayr | 1385 | |
2888 | hidnplayr | 1386 | .error: ; we could free all available bytes, but that would be stupid, i guess.. |
1387 | DEBUGF 1,"SOCKET_ring_free: buffer=%x error!\n", eax |
||
2402 | hidnplayr | 1388 | add [eax + RING_BUFFER.size], ecx |
1389 | xor ecx, ecx |
||
1390 | ret |
||
1529 | hidnplayr | 1391 | |
1392 | |||
1393 | ;----------------------------------------------------------------- |
||
1394 | ; |
||
1514 | hidnplayr | 1395 | ; SOCKET_notify_owner |
1396 | ; |
||
1397 | ; notify's the owner of a socket that something happened |
||
1398 | ; |
||
1399 | ; IN: eax = socket ptr |
||
1400 | ; OUT: / |
||
1401 | ; |
||
1402 | ;----------------------------------------------------------------- |
||
1403 | align 4 |
||
1404 | SOCKET_notify_owner: |
||
1405 | |||
2402 | hidnplayr | 1406 | DEBUGF 1,"SOCKET_notify_owner: %x\n", eax |
1514 | hidnplayr | 1407 | |
2402 | hidnplayr | 1408 | call SOCKET_check |
1409 | jz .error |
||
1514 | hidnplayr | 1410 | |
2402 | hidnplayr | 1411 | push eax ecx esi |
1514 | hidnplayr | 1412 | |
1413 | ; socket exists, now try to flag an event to the application |
||
1414 | |||
2402 | hidnplayr | 1415 | mov eax, [eax + SOCKET.PID] |
2629 | hidnplayr | 1416 | test eax, eax |
1417 | jz .error2 |
||
2402 | hidnplayr | 1418 | mov ecx, 1 |
1419 | mov esi, TASK_DATA + TASKDATA.pid |
||
1206 | hidnplayr | 1420 | |
1421 | .next_pid: |
||
2402 | hidnplayr | 1422 | cmp [esi], eax |
1423 | je .found_pid |
||
1424 | inc ecx |
||
1425 | add esi, 0x20 |
||
1426 | cmp ecx, [TASK_COUNT] |
||
1427 | jbe .next_pid |
||
1206 | hidnplayr | 1428 | |
1514 | hidnplayr | 1429 | ; PID not found, TODO: close socket! |
1430 | |||
2402 | hidnplayr | 1431 | jmp .error2 |
1514 | hidnplayr | 1432 | |
1206 | hidnplayr | 1433 | .found_pid: |
2402 | hidnplayr | 1434 | shl ecx, 8 |
1435 | or [ecx + SLOT_BASE + APPDATA.event_mask], EVENT_NETWORK |
||
1436 | mov [check_idle_semaphore], 200 |
||
1206 | hidnplayr | 1437 | |
2402 | hidnplayr | 1438 | DEBUGF 1,"SOCKET_notify_owner: succes!\n" |
1514 | hidnplayr | 1439 | |
1440 | .error2: |
||
2402 | hidnplayr | 1441 | pop esi ecx eax |
1536 | hidnplayr | 1442 | |
1514 | hidnplayr | 1443 | .error: |
1444 | |||
2402 | hidnplayr | 1445 | ret |
1206 | hidnplayr | 1446 | |
1447 | |||
1514 | hidnplayr | 1448 | ;-------------------------------------------------------------------- |
1449 | ; |
||
1450 | ; SOCKET_alloc |
||
1451 | ; |
||
1159 | hidnplayr | 1452 | ; Allocate memory for socket data and put new socket into the list |
1453 | ; Newly created socket is initialized with calling PID and number and |
||
1454 | ; put into beginning of list (which is a fastest way). |
||
1455 | ; |
||
1514 | hidnplayr | 1456 | ; IN: / |
1457 | ; OUT: eax = 0 on error, socket ptr otherwise |
||
1458 | ; edi = socket number |
||
1459 | ; ZF = cleared on error |
||
1159 | hidnplayr | 1460 | ; |
1514 | hidnplayr | 1461 | ;-------------------------------------------------------------------- |
1462 | align 4 |
||
1463 | SOCKET_alloc: |
||
1464 | |||
2402 | hidnplayr | 1465 | push ebx |
1514 | hidnplayr | 1466 | |
2402 | hidnplayr | 1467 | stdcall kernel_alloc, SOCKETBUFFSIZE |
1468 | DEBUGF 1, "SOCKET_alloc: ptr=%x\n", eax |
||
1469 | or eax, eax |
||
1470 | jz .exit |
||
1159 | hidnplayr | 1471 | |
1514 | hidnplayr | 1472 | ; zero-initialize allocated memory |
2402 | hidnplayr | 1473 | push eax |
1474 | mov edi, eax |
||
1475 | mov ecx, SOCKETBUFFSIZE / 4 |
||
1476 | xor eax, eax |
||
1477 | rep stosd |
||
1478 | pop eax |
||
1159 | hidnplayr | 1479 | |
1536 | hidnplayr | 1480 | ; set send-and receive procedures to return -1 |
2402 | hidnplayr | 1481 | mov [eax + SOCKET.snd_proc], s_error |
1482 | mov [eax + SOCKET.rcv_proc], s_error |
||
1536 | hidnplayr | 1483 | |
1514 | hidnplayr | 1484 | ; find first free socket number and use it |
2402 | hidnplayr | 1485 | mov edi, [last_socket_num] |
1159 | hidnplayr | 1486 | .next_socket_number: |
2402 | hidnplayr | 1487 | inc edi |
1488 | jz .next_socket_number ; avoid socket nr 0 |
||
1489 | cmp edi, -1 |
||
1490 | je .next_socket_number ; avoid socket nr -1 |
||
1491 | mov ebx, net_sockets |
||
1159 | hidnplayr | 1492 | .next_socket: |
2402 | hidnplayr | 1493 | mov ebx, [ebx + SOCKET.NextPtr] |
1494 | test ebx, ebx |
||
1495 | jz .last_socket |
||
1536 | hidnplayr | 1496 | |
2402 | hidnplayr | 1497 | cmp [ebx + SOCKET.Number], edi |
1498 | jne .next_socket |
||
1499 | jmp .next_socket_number |
||
1159 | hidnplayr | 1500 | |
1514 | hidnplayr | 1501 | .last_socket: |
2402 | hidnplayr | 1502 | mov [last_socket_num], edi |
1503 | mov [eax + SOCKET.Number], edi |
||
1504 | DEBUGF 1, "SOCKET_alloc: number=%u\n", edi |
||
1159 | hidnplayr | 1505 | |
1514 | hidnplayr | 1506 | ; Fill in PID |
2402 | hidnplayr | 1507 | mov ebx, [TASK_BASE] |
1508 | mov ebx, [ebx + TASKDATA.pid] |
||
1509 | mov [eax + SOCKET.PID], ebx |
||
1514 | hidnplayr | 1510 | |
2403 | hidnplayr | 1511 | ; init mutex |
1512 | pusha |
||
1513 | lea ecx, [eax + SOCKET.mutex] |
||
1514 | call mutex_init |
||
1515 | popa |
||
1516 | |||
1529 | hidnplayr | 1517 | ; add socket to the list by re-arranging some pointers |
2402 | hidnplayr | 1518 | mov ebx, [net_sockets + SOCKET.NextPtr] |
1514 | hidnplayr | 1519 | |
2402 | hidnplayr | 1520 | mov [eax + SOCKET.PrevPtr], net_sockets |
1521 | mov [eax + SOCKET.NextPtr], ebx |
||
1514 | hidnplayr | 1522 | |
2402 | hidnplayr | 1523 | test ebx, ebx |
1524 | jz @f |
||
1525 | |||
1526 | pusha |
||
1527 | lea ecx, [ebx + SOCKET.mutex] |
||
1528 | call mutex_lock |
||
1529 | popa |
||
1530 | |||
1531 | mov [ebx + SOCKET.PrevPtr], eax |
||
1532 | |||
1533 | pusha |
||
1534 | lea ecx, [ebx + SOCKET.mutex] |
||
1535 | call mutex_unlock |
||
1536 | popa |
||
1514 | hidnplayr | 1537 | @@: |
1538 | |||
2402 | hidnplayr | 1539 | mov [net_sockets + SOCKET.NextPtr], eax |
1540 | or eax, eax ; used to clear zero flag |
||
1159 | hidnplayr | 1541 | .exit: |
2402 | hidnplayr | 1542 | pop ebx |
1514 | hidnplayr | 1543 | |
2402 | hidnplayr | 1544 | ret |
1159 | hidnplayr | 1545 | |
1514 | hidnplayr | 1546 | |
1547 | ;---------------------------------------------------- |
||
1159 | hidnplayr | 1548 | ; |
1514 | hidnplayr | 1549 | ; SOCKET_free |
1159 | hidnplayr | 1550 | ; |
1514 | hidnplayr | 1551 | ; Free socket data memory and remove socket from the list |
1552 | ; |
||
1553 | ; IN: eax = socket ptr |
||
1554 | ; OUT: / |
||
1555 | ; |
||
1556 | ;---------------------------------------------------- |
||
1557 | align 4 |
||
1558 | SOCKET_free: |
||
1159 | hidnplayr | 1559 | |
2402 | hidnplayr | 1560 | DEBUGF 1, "SOCKET_free: %x\n", eax |
1514 | hidnplayr | 1561 | |
2402 | hidnplayr | 1562 | call SOCKET_check |
1563 | jz .error |
||
1159 | hidnplayr | 1564 | |
2402 | hidnplayr | 1565 | push ebx |
1514 | hidnplayr | 1566 | |
2402 | hidnplayr | 1567 | pusha |
1568 | lea ecx, [eax + SOCKET.mutex] |
||
1569 | call mutex_lock |
||
1570 | popa |
||
1514 | hidnplayr | 1571 | |
2402 | hidnplayr | 1572 | cmp [eax + SOCKET.Domain], AF_INET4 |
1573 | jnz .no_tcp |
||
1529 | hidnplayr | 1574 | |
2402 | hidnplayr | 1575 | cmp [eax + SOCKET.Protocol], IP_PROTO_TCP |
1576 | jnz .no_tcp |
||
1577 | |||
1578 | mov ebx, eax |
||
1579 | stdcall kernel_free, [ebx + STREAM_SOCKET.rcv.start_ptr] |
||
1580 | stdcall kernel_free, [ebx + STREAM_SOCKET.snd.start_ptr] |
||
1581 | mov eax, ebx |
||
1536 | hidnplayr | 1582 | .no_tcp: |
1529 | hidnplayr | 1583 | |
2402 | hidnplayr | 1584 | push eax ; this will be passed to kernel_free |
1585 | mov ebx, [eax + SOCKET.NextPtr] |
||
1586 | mov eax, [eax + SOCKET.PrevPtr] |
||
1514 | hidnplayr | 1587 | |
2402 | hidnplayr | 1588 | DEBUGF 1, "SOCKET_free: linking socket %x to socket %x\n", eax, ebx |
1514 | hidnplayr | 1589 | |
2402 | hidnplayr | 1590 | test eax, eax |
1591 | jz @f |
||
1592 | mov [eax + SOCKET.NextPtr], ebx |
||
1514 | hidnplayr | 1593 | @@: |
1159 | hidnplayr | 1594 | |
2402 | hidnplayr | 1595 | test ebx, ebx |
1596 | jz @f |
||
1597 | mov [ebx + SOCKET.PrevPtr], eax |
||
1514 | hidnplayr | 1598 | @@: |
1249 | hidnplayr | 1599 | |
2402 | hidnplayr | 1600 | call kernel_free |
1601 | pop ebx |
||
1159 | hidnplayr | 1602 | |
2402 | hidnplayr | 1603 | DEBUGF 1, "SOCKET_free: success!\n" |
1514 | hidnplayr | 1604 | |
1159 | hidnplayr | 1605 | .error: |
2402 | hidnplayr | 1606 | ret |
1159 | hidnplayr | 1607 | |
1543 | hidnplayr | 1608 | ;------------------------------------ |
1609 | ; |
||
1610 | ; SOCKET_fork |
||
1611 | ; |
||
1612 | ; Create a child socket |
||
1613 | ; |
||
1533 | hidnplayr | 1614 | ; IN: socket nr in ebx |
1543 | hidnplayr | 1615 | ; OUT: child socket nr in eax |
1616 | ; |
||
1617 | ;----------------------------------- |
||
1529 | hidnplayr | 1618 | align 4 |
1619 | SOCKET_fork: |
||
1620 | |||
2402 | hidnplayr | 1621 | DEBUGF 1,"SOCKET_fork: %x\n", ebx |
1529 | hidnplayr | 1622 | |
1543 | hidnplayr | 1623 | ; Exit if backlog queue is full |
2402 | hidnplayr | 1624 | mov eax, [ebx + SOCKET_QUEUE_LOCATION + queue.size] |
1625 | cmp ax, [ebx + SOCKET.backlog] |
||
1626 | jae .fail |
||
1543 | hidnplayr | 1627 | |
1529 | hidnplayr | 1628 | ; Allocate new socket |
2402 | hidnplayr | 1629 | push ebx |
1630 | call SOCKET_alloc |
||
1631 | pop ebx |
||
1632 | jz .fail |
||
1529 | hidnplayr | 1633 | |
2402 | hidnplayr | 1634 | push eax |
1635 | mov esi, esp |
||
1636 | add_to_queue (ebx + SOCKET_QUEUE_LOCATION), MAX_backlog, 4, .fail2 |
||
1637 | pop eax |
||
1543 | hidnplayr | 1638 | |
1639 | ; Copy structure from current socket to new |
||
1640 | ; We start at PID to preserve the socket num, and the 2 pointers at beginning of socket |
||
2402 | hidnplayr | 1641 | lea esi, [ebx + SOCKET.PID] |
1642 | lea edi, [eax + SOCKET.PID] |
||
1643 | mov ecx, (SOCKET_QUEUE_LOCATION - SOCKET.PID + 3)/4 |
||
1644 | rep movsd |
||
1529 | hidnplayr | 1645 | |
2402 | hidnplayr | 1646 | and [eax + SOCKET.options], not SO_ACCEPTCON |
1529 | hidnplayr | 1647 | |
2402 | hidnplayr | 1648 | ret |
1529 | hidnplayr | 1649 | |
1543 | hidnplayr | 1650 | .fail2: |
2402 | hidnplayr | 1651 | add esp, 4+4+4 |
1543 | hidnplayr | 1652 | .fail: |
2402 | hidnplayr | 1653 | DEBUGF 1,"SOCKET_fork: failed\n" |
1654 | xor eax, eax |
||
1655 | ret |
||
1529 | hidnplayr | 1656 | |
1543 | hidnplayr | 1657 | |
1514 | hidnplayr | 1658 | ;--------------------------------------------------- |
1659 | ; |
||
1660 | ; SOCKET_num_to_ptr |
||
1661 | ; |
||
1159 | hidnplayr | 1662 | ; Get socket structure address by its number |
1663 | ; |
||
1514 | hidnplayr | 1664 | ; IN: ecx = socket number |
1533 | hidnplayr | 1665 | ; OUT: eax = 0 on error, socket ptr otherwise |
1514 | hidnplayr | 1666 | ; ZF = set on error |
1159 | hidnplayr | 1667 | ; |
1514 | hidnplayr | 1668 | ;--------------------------------------------------- |
1669 | align 4 |
||
1670 | SOCKET_num_to_ptr: |
||
1159 | hidnplayr | 1671 | |
2891 | hidnplayr | 1672 | DEBUGF 1,"SOCKET_num_to_ptr: num=%u ", ecx |
1514 | hidnplayr | 1673 | |
2402 | hidnplayr | 1674 | mov eax, net_sockets |
1514 | hidnplayr | 1675 | |
1159 | hidnplayr | 1676 | .next_socket: |
2402 | hidnplayr | 1677 | mov eax, [eax + SOCKET.NextPtr] |
1678 | or eax, eax |
||
1679 | jz .error |
||
1680 | cmp [eax + SOCKET.Number], ecx |
||
1681 | jne .next_socket |
||
1159 | hidnplayr | 1682 | |
2402 | hidnplayr | 1683 | test eax, eax |
1159 | hidnplayr | 1684 | |
2891 | hidnplayr | 1685 | DEBUGF 1,"ptr=%x\n", eax |
1686 | ret |
||
1687 | |||
1159 | hidnplayr | 1688 | .error: |
2891 | hidnplayr | 1689 | DEBUGF 1,"not found\n", eax |
2402 | hidnplayr | 1690 | ret |
1159 | hidnplayr | 1691 | |
1514 | hidnplayr | 1692 | |
1693 | ;--------------------------------------------------- |
||
1159 | hidnplayr | 1694 | ; |
1514 | hidnplayr | 1695 | ; SOCKET_ptr_to_num |
1159 | hidnplayr | 1696 | ; |
1514 | hidnplayr | 1697 | ; Get socket number by its address |
1698 | ; |
||
1699 | ; IN: eax = socket ptr |
||
1700 | ; OUT: eax = 0 on error, socket num otherwise |
||
1701 | ; ZF = set on error |
||
1702 | ; |
||
1703 | ;--------------------------------------------------- |
||
1704 | align 4 |
||
1705 | SOCKET_ptr_to_num: |
||
1706 | |||
2891 | hidnplayr | 1707 | DEBUGF 1,"SOCKET_ptr_to_num: ptr=%x ", eax |
1514 | hidnplayr | 1708 | |
2402 | hidnplayr | 1709 | call SOCKET_check |
1710 | jz .error |
||
1159 | hidnplayr | 1711 | |
2402 | hidnplayr | 1712 | mov eax, [eax + SOCKET.Number] |
1514 | hidnplayr | 1713 | |
2891 | hidnplayr | 1714 | DEBUGF 1,"num=%u\n", eax |
1715 | ret |
||
1514 | hidnplayr | 1716 | |
1717 | .error: |
||
2891 | hidnplayr | 1718 | DEBUGF 1,"not found\n", eax |
2402 | hidnplayr | 1719 | ret |
1514 | hidnplayr | 1720 | |
1721 | |||
1722 | ;--------------------------------------------------- |
||
1723 | ; |
||
1724 | ; SOCKET_check |
||
1725 | ; |
||
1726 | ; checks if the given value is really a socket ptr |
||
1727 | ; |
||
1728 | ; IN: eax = socket ptr |
||
1729 | ; OUT: eax = 0 on error, unchanged otherwise |
||
1730 | ; ZF = set on error |
||
1731 | ; |
||
1732 | ;--------------------------------------------------- |
||
1733 | align 4 |
||
1734 | SOCKET_check: |
||
1735 | |||
2402 | hidnplayr | 1736 | DEBUGF 1,"SOCKET_check: %x\n", eax |
1514 | hidnplayr | 1737 | |
2402 | hidnplayr | 1738 | push ebx |
1739 | mov ebx, net_sockets |
||
1514 | hidnplayr | 1740 | |
1159 | hidnplayr | 1741 | .next_socket: |
2402 | hidnplayr | 1742 | mov ebx, [ebx + SOCKET.NextPtr] |
1743 | or ebx, ebx |
||
1744 | jz .done |
||
1745 | cmp ebx, eax |
||
1746 | jnz .next_socket |
||
1159 | hidnplayr | 1747 | |
1514 | hidnplayr | 1748 | .done: |
2402 | hidnplayr | 1749 | mov eax, ebx |
1750 | test eax, eax |
||
1751 | pop ebx |
||
1514 | hidnplayr | 1752 | |
2402 | hidnplayr | 1753 | ret |
1159 | hidnplayr | 1754 | |
1514 | hidnplayr | 1755 | |
1756 | |||
1757 | ;--------------------------------------------------- |
||
1758 | ; |
||
1759 | ; SOCKET_check_owner |
||
1760 | ; |
||
1761 | ; checks if the caller application owns the socket |
||
1762 | ; |
||
1763 | ; IN: eax = socket ptr |
||
1764 | ; OUT: ZF = true/false |
||
1765 | ; |
||
1766 | ;--------------------------------------------------- |
||
1767 | align 4 |
||
1768 | SOCKET_check_owner: |
||
1769 | |||
2402 | hidnplayr | 1770 | DEBUGF 1,"SOCKET_check_owner: %x\n", eax |
1514 | hidnplayr | 1771 | |
2402 | hidnplayr | 1772 | push ebx |
1773 | mov ebx, [TASK_BASE] |
||
1774 | mov ebx, [ecx + TASKDATA.pid] |
||
1775 | cmp [eax + SOCKET.PID], ebx |
||
1776 | pop ebx |
||
1514 | hidnplayr | 1777 | |
2402 | hidnplayr | 1778 | ret |
1514 | hidnplayr | 1779 | |
1780 | |||
1781 | |||
1782 | |||
1885 | hidnplayr | 1783 | ;------------------------------------------------------ |
1514 | hidnplayr | 1784 | ; |
1785 | ; SOCKET_process_end |
||
1786 | ; |
||
1787 | ; Kernel calls this function when a certain process ends |
||
1788 | ; This function will check if the process had any open sockets |
||
1789 | ; And update them accordingly |
||
1790 | ; |
||
2867 | hidnplayr | 1791 | ; IN: edx = pid |
1514 | hidnplayr | 1792 | ; OUT: / |
1793 | ; |
||
1794 | ;------------------------------------------------------ |
||
1795 | align 4 |
||
1796 | SOCKET_process_end: |
||
1797 | |||
2867 | hidnplayr | 1798 | DEBUGF 1,"SOCKET_process_end: %x\n", edx |
1514 | hidnplayr | 1799 | |
2402 | hidnplayr | 1800 | push ebx |
1801 | mov ebx, net_sockets |
||
1514 | hidnplayr | 1802 | |
1803 | .next_socket: |
||
2402 | hidnplayr | 1804 | mov ebx, [ebx + SOCKET.NextPtr] |
1514 | hidnplayr | 1805 | .test_socket: |
2402 | hidnplayr | 1806 | test ebx, ebx |
1807 | jz .done |
||
1514 | hidnplayr | 1808 | |
2867 | hidnplayr | 1809 | cmp [ebx + SOCKET.PID], edx |
2402 | hidnplayr | 1810 | jne .next_socket |
1514 | hidnplayr | 1811 | |
2891 | hidnplayr | 1812 | DEBUGF 1,"SOCKET_process_end: killing socket %x\n", ebx |
1514 | hidnplayr | 1813 | |
2402 | hidnplayr | 1814 | mov [ebx + SOCKET.PID], 0 |
1514 | hidnplayr | 1815 | |
2402 | hidnplayr | 1816 | cmp [ebx + SOCKET.Protocol], IP_PROTO_TCP |
1817 | je .tcp |
||
1514 | hidnplayr | 1818 | |
2629 | hidnplayr | 1819 | ; The socket is stateless, just kill it right away! |
1514 | hidnplayr | 1820 | |
2402 | hidnplayr | 1821 | mov eax, ebx |
1822 | mov ebx, [ebx + SOCKET.NextPtr] |
||
1823 | call SOCKET_free |
||
1824 | jmp .test_socket |
||
1514 | hidnplayr | 1825 | |
1826 | .tcp: |
||
2629 | hidnplayr | 1827 | push [ebx + SOCKET.NextPtr] |
1828 | mov eax, ebx |
||
2869 | hidnplayr | 1829 | call TCP_disconnect |
2629 | hidnplayr | 1830 | pop ebx |
1831 | jmp .test_socket |
||
1885 | hidnplayr | 1832 | |
1514 | hidnplayr | 1833 | .done: |
2402 | hidnplayr | 1834 | pop ebx |
1514 | hidnplayr | 1835 | |
2402 | hidnplayr | 1836 | ret |
1773 | hidnplayr | 1837 | |
1838 | |||
1839 | |||
1840 | |||
1885 | hidnplayr | 1841 | ;----------------------------------------------------------------- |
1842 | ; |
||
1843 | ; SOCKET_is_connecting |
||
1844 | ; |
||
1845 | ; IN: eax = socket ptr |
||
1846 | ; OUT: / |
||
1847 | ; |
||
1848 | ;----------------------------------------------------------------- |
||
1773 | hidnplayr | 1849 | |
1885 | hidnplayr | 1850 | align 4 |
1851 | SOCKET_is_connecting: |
||
1773 | hidnplayr | 1852 | |
2891 | hidnplayr | 1853 | DEBUGF 1,"SOCKET_is_connecting: %x\n", eax |
1773 | hidnplayr | 1854 | |
2402 | hidnplayr | 1855 | and [eax + SOCKET.options], not (SS_ISCONNECTED + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
1856 | or [eax + SOCKET.options], SS_ISCONNECTING |
||
1773 | hidnplayr | 1857 | |
2402 | hidnplayr | 1858 | jmp SOCKET_notify_owner |
1885 | hidnplayr | 1859 | |
1860 | |||
1861 | |||
1773 | hidnplayr | 1862 | ;----------------------------------------------------------------- |
1863 | ; |
||
1885 | hidnplayr | 1864 | ; SOCKET_is_connected |
1865 | ; |
||
1866 | ; IN: eax = socket ptr |
||
1867 | ; OUT: / |
||
1868 | ; |
||
1869 | ;----------------------------------------------------------------- |
||
1870 | |||
1871 | align 4 |
||
1872 | SOCKET_is_connected: |
||
1873 | |||
2891 | hidnplayr | 1874 | DEBUGF 1,"SOCKET_is_connected: %x\n", eax |
1885 | hidnplayr | 1875 | |
2402 | hidnplayr | 1876 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISDISCONNECTING + SS_ISCONFIRMING) |
1877 | or [eax + SOCKET.options], SS_ISCONNECTED |
||
1885 | hidnplayr | 1878 | |
2402 | hidnplayr | 1879 | jmp SOCKET_notify_owner |
1885 | hidnplayr | 1880 | |
1881 | |||
1882 | |||
1883 | |||
1884 | ;----------------------------------------------------------------- |
||
1885 | ; |
||
1773 | hidnplayr | 1886 | ; SOCKET_is_disconnecting |
1887 | ; |
||
1888 | ; IN: eax = socket ptr |
||
1889 | ; OUT: / |
||
1890 | ; |
||
1891 | ;----------------------------------------------------------------- |
||
1892 | |||
1893 | align 4 |
||
1894 | SOCKET_is_disconnecting: |
||
1895 | |||
2891 | hidnplayr | 1896 | DEBUGF 1,"SOCKET_is_disconnecting: %x\n", eax |
1897 | |||
2402 | hidnplayr | 1898 | and [eax + SOCKET.options], not (SS_ISCONNECTING) |
1899 | or [eax + SOCKET.options], SS_ISDISCONNECTING + SS_CANTRCVMORE + SS_CANTSENDMORE |
||
1773 | hidnplayr | 1900 | |
2402 | hidnplayr | 1901 | jmp SOCKET_notify_owner |
1773 | hidnplayr | 1902 | |
1903 | |||
1904 | |||
1905 | ;----------------------------------------------------------------- |
||
1906 | ; |
||
1907 | ; SOCKET_is_disconnected |
||
1908 | ; |
||
1909 | ; IN: eax = socket ptr |
||
1910 | ; OUT: / |
||
1911 | ; |
||
1912 | ;----------------------------------------------------------------- |
||
1913 | |||
1914 | align 4 |
||
1915 | SOCKET_is_disconnected: |
||
1916 | |||
2891 | hidnplayr | 1917 | DEBUGF 1,"SOCKET_is_disconnected: %x\n", eax |
1918 | |||
2402 | hidnplayr | 1919 | and [eax + SOCKET.options], not (SS_ISCONNECTING + SS_ISCONNECTED + SS_ISDISCONNECTING) |
1920 | or [eax + SOCKET.options], SS_CANTRCVMORE + SS_CANTSENDMORE |
||
1773 | hidnplayr | 1921 | |
2402 | hidnplayr | 1922 | jmp SOCKET_notify_owner |
1774 | hidnplayr | 1923 | |
1924 | |||
1925 | ;----------------------------------------------------------------- |
||
1926 | ; |
||
1927 | ; SOCKET_cant_recv_more |
||
1928 | ; |
||
1929 | ; IN: eax = socket ptr |
||
1930 | ; OUT: / |
||
1931 | ; |
||
1932 | ;----------------------------------------------------------------- |
||
1933 | |||
1934 | align 4 |
||
1935 | SOCKET_cant_recv_more: |
||
1936 | |||
2891 | hidnplayr | 1937 | DEBUGF 1,"SOCKET_cant_recv_more: %x\n", eax |
1938 | |||
2402 | hidnplayr | 1939 | or [eax + SOCKET.options], SS_CANTRCVMORE |
1885 | hidnplayr | 1940 | |
2402 | hidnplayr | 1941 | ret |
1831 | hidnplayr | 1942 | |
1943 | |||
1944 | |||
1945 | ;----------------------------------------------------------------- |
||
1946 | ; |
||
1885 | hidnplayr | 1947 | ; SOCKET_cant_send_more |
1831 | hidnplayr | 1948 | ; |
1949 | ; IN: eax = socket ptr |
||
1950 | ; OUT: / |
||
1951 | ; |
||
1952 | ;----------------------------------------------------------------- |
||
1953 | |||
1954 | align 4 |
||
1885 | hidnplayr | 1955 | SOCKET_cant_send_more: |
1831 | hidnplayr | 1956 | |
2891 | hidnplayr | 1957 | DEBUGF 1,"SOCKET_cant_send_more: %x\n", eax |
1958 | |||
2402 | hidnplayr | 1959 | or [eax + SOCKET.options], SS_CANTSENDMORE |
1831 | hidnplayr | 1960 | |
2402 | hidnplayr | 1961 | ret |