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Rev | Author | Line No. | Line |
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336 | hidnplayr | 1 | ; |
2 | ; ETH.INC |
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3 | ; |
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4 | ; made by hidnplayr (hidnplayr@gmail.com) for KolibriOS |
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5 | ; |
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6 | ; The given code before every macro is only a simple example |
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7 | ; |
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8 | ; |
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9 | ; HISTORY |
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10 | ; |
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11 | ; v1.0: august 2006 original release |
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12 | ; v1.1: december 2006 bugfixes and improvements |
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13 | ; v1.2: februari 2007 more bugfixes and improvements |
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14 | |||
15 | macro mov arg1,arg2 { |
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16 | if arg1 eq arg2 |
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17 | else |
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18 | mov arg1,arg2 |
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19 | end if |
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20 | } |
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21 | |||
22 | TCB_LISTEN = 1 |
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23 | TCB_SYN_SENT = 2 |
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24 | TCB_SYN_RECEIVED = 3 |
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25 | TCB_ESTABLISHED = 4 |
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26 | TCB_FIN_WAIT_1 = 5 |
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27 | TCB_FIN_WAIT_2 = 6 |
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28 | TCB_CLOSE_WAIT = 7 |
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29 | TCB_CLOSING = 8 |
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30 | TCB_LAST_ASK = 9 |
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31 | TCB_TIME_WAIT = 10 |
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32 | TCB_CLOSED = 11 |
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33 | |||
34 | PASSIVE = 0 |
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35 | ACTIVE = 1 |
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36 | |||
37 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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38 | |||
39 | macro eth.get_IP IP { |
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40 | mov ebx,1 |
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41 | mov eax,52 |
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485 | heavyiron | 42 | mcall |
336 | hidnplayr | 43 | |
44 | mov IP ,eax |
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45 | } |
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46 | |||
47 | macro eth.get_GATEWAY GATEWAY { |
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48 | mov ebx,9 |
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49 | mov eax,52 |
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485 | heavyiron | 50 | mcall |
336 | hidnplayr | 51 | mov GATEWAY ,eax |
52 | } |
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53 | |||
54 | macro eth.get_SUBNET SUBNET { |
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55 | mov ebx,10 |
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56 | mov eax,52 |
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485 | heavyiron | 57 | mcall |
336 | hidnplayr | 58 | mov SUBNET ,eax |
59 | } |
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60 | |||
61 | macro eth.get_DNS DNS { |
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62 | mov ebx,13 |
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63 | mov eax,52 |
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485 | heavyiron | 64 | mcall |
336 | hidnplayr | 65 | mov DNS ,eax |
66 | } |
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67 | |||
68 | macro eth.set_IP IP { |
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69 | mov ecx,IP |
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70 | mov ebx,3 |
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71 | mov eax,52 |
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485 | heavyiron | 72 | mcall |
336 | hidnplayr | 73 | } |
74 | |||
75 | macro eth.set_GATEWAY GATEWAY { |
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76 | mov ecx,GATEWAY |
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77 | mov ebx,11 |
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78 | mov eax,52 |
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485 | heavyiron | 79 | mcall |
336 | hidnplayr | 80 | } |
81 | |||
82 | macro eth.set_SUBNET SUBNET { |
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83 | mov ecx,SUBNET |
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84 | mov ebx,12 |
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85 | mov eax,52 |
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485 | heavyiron | 86 | mcall |
336 | hidnplayr | 87 | } |
88 | |||
89 | macro eth.set_DNS DNS { |
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90 | mov ecx,DNS |
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91 | mov ebx,14 |
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92 | mov eax,52 |
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485 | heavyiron | 93 | mcall |
336 | hidnplayr | 94 | } |
95 | |||
339 | hidnplayr | 96 | macro eth.set_network_drv conf { |
97 | mov ecx,conf |
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98 | mov ebx,2 |
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99 | mov eax,52 |
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485 | heavyiron | 100 | mcall |
339 | hidnplayr | 101 | } |
102 | |||
336 | hidnplayr | 103 | macro eth.open_udp local,remote,ip,socket { |
104 | mov ecx, local |
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105 | mov edx, remote |
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106 | mov esi, ip |
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107 | mov ebx, 0 |
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108 | mov eax, 53 |
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485 | heavyiron | 109 | mcall |
336 | hidnplayr | 110 | |
111 | mov socket,eax |
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112 | } |
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113 | |||
114 | macro eth.close_udp socket { |
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115 | mov ecx, socket |
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116 | mov ebx, 1 |
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117 | mov eax, 53 |
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485 | heavyiron | 118 | mcall |
336 | hidnplayr | 119 | } |
120 | |||
121 | macro eth.poll socket { |
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122 | mov ecx, socket |
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123 | mov ebx, 2 |
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124 | mov eax, 53 |
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485 | heavyiron | 125 | mcall |
336 | hidnplayr | 126 | } |
127 | |||
128 | macro eth.read_byte socket, result { |
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129 | mov ecx, socket |
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130 | mov ebx, 3 |
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131 | mov eax, 53 |
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485 | heavyiron | 132 | mcall |
336 | hidnplayr | 133 | |
134 | mov result,bl |
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135 | } |
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136 | |||
137 | macro eth.read_packet socket, result, buffersize { |
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138 | mov esi, buffersize |
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139 | mov edx, result |
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140 | mov ecx, socket |
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141 | mov ebx, 11 |
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142 | mov eax, 53 |
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485 | heavyiron | 143 | mcall |
336 | hidnplayr | 144 | } |
145 | |||
146 | macro eth.write_udp socket,length,msg,verify { |
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147 | mov ecx, socket |
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148 | mov edx, length |
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149 | mov esi, msg |
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150 | mov ebx, 4 |
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151 | mov eax, 53 |
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485 | heavyiron | 152 | mcall |
336 | hidnplayr | 153 | |
154 | if verify eq 1 |
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155 | call verifysend |
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156 | end if |
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157 | |||
158 | } |
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159 | |||
160 | verifysend: |
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161 | test eax,eax |
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162 | jnz @f |
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163 | ret |
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164 | @@: |
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165 | pusha |
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166 | mov eax,5 |
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167 | mov ebx,100 |
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485 | heavyiron | 168 | mcall |
336 | hidnplayr | 169 | popa |
485 | heavyiron | 170 | mcall |
336 | hidnplayr | 171 | ret |
172 | |||
173 | macro eth.open_tcp local,remote,ip,passive,socket { |
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174 | |||
175 | mov ecx, local |
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176 | mov edx, remote |
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177 | mov esi, ip |
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178 | mov edi, passive ; 0 = PASSIVE open |
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179 | mov ebx, 5 |
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180 | mov eax, 53 |
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485 | heavyiron | 181 | mcall |
336 | hidnplayr | 182 | |
183 | mov socket,eax |
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184 | } |
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185 | |||
186 | macro eth.socket_status socket,result { |
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187 | mov ecx, socket |
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188 | mov ebx, 6 |
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189 | mov eax, 53 |
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485 | heavyiron | 190 | mcall |
336 | hidnplayr | 191 | |
192 | mov result,eax |
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193 | } |
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194 | |||
195 | macro eth.write_tcp socket,length,msg,verify { |
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196 | mov ecx, socket |
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197 | mov edx, length |
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198 | mov esi, msg |
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199 | mov ebx, 7 |
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200 | mov eax, 53 |
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485 | heavyiron | 201 | mcall |
336 | hidnplayr | 202 | |
203 | if verify eq 1 |
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204 | call verifysend |
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205 | end if |
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206 | } |
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207 | |||
208 | macro eth.read_mac mac { |
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209 | mov eax, 52 |
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210 | mov ebx, 15 |
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211 | xor ecx, ecx |
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212 | pusha |
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485 | heavyiron | 213 | mcall |
336 | hidnplayr | 214 | mov dword[mac],eax |
215 | popa |
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216 | add cl, 4 |
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485 | heavyiron | 217 | mcall |
336 | hidnplayr | 218 | mov word[mac+4],ax |
219 | |||
220 | } |
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221 | |||
222 | macro eth.close_tcp socket { |
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223 | mov ecx, socket |
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224 | mov ebx, 8 |
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225 | mov eax, 53 |
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485 | heavyiron | 226 | mcall |
336 | hidnplayr | 227 | } |
228 | |||
229 | macro eth.check_port port,result { |
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230 | mov ecx, port |
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231 | mov ebx, 9 |
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232 | mov eax, 53 |
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485 | heavyiron | 233 | mcall |
336 | hidnplayr | 234 | |
235 | mov result,eax |
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236 | } |
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237 | |||
238 | macro eth.check_cable result { |
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239 | mov ebx, 10 |
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240 | mov eax, 53 |
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485 | heavyiron | 241 | mcall |
336 | hidnplayr | 242 | |
243 | mov result,eax |
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244 | } |
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245 | |||
246 | macro eth.status status { |
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247 | mov ebx, 255 |
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248 | mov ecx, 6 |
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249 | mov eax, 53 |
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485 | heavyiron | 250 | mcall |
336 | hidnplayr | 251 | |
252 | mov status,eax |
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253 | } |
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254 | |||
255 | macro eth.search_port port,result { |
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256 | mov edx,port |
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257 | @@: |
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258 | inc edx |
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259 | eth.check_port edx,eax |
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260 | cmp eax,0 |
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261 | je @r |
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262 | mov result,edx |
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263 | } |
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264 | |||
265 | macro eth.ARP_PROBE address{ |
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266 | |||
267 | mov edx,address |
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268 | mov eax,52 |
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269 | mov ebx,16 |
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270 | xor ecx,ecx |
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485 | heavyiron | 271 | mcall |
336 | hidnplayr | 272 | |
273 | } |
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274 | |||
275 | |||
276 | macro eth.ARP_ANNOUNCE address{ |
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277 | |||
278 | mov edx,address |
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279 | mov eax,52 |
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280 | mov ebx,16 |
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281 | xor ecx,ecx |
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282 | inc ecx |
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485 | heavyiron | 283 | mcall |
336 | hidnplayr | 284 | |
285 | } |
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286 | |||
287 | macro eth.read_data socket,dest,endptr,bufferl { |
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288 | local .getdata,.loop,.end |
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289 | mov eax, dest |
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290 | mov endptr, eax |
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291 | |||
292 | .getdata: |
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293 | cmp endptr, bufferl |
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294 | jg .end |
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295 | |||
337 | hidnplayr | 296 | eth.read_packet socket, endptr, 0 |
336 | hidnplayr | 297 | add endptr,eax |
298 | |||
299 | test eax, eax |
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300 | jnz .getdata |
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301 | |||
302 | xor edx, edx |
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303 | .loop: |
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304 | eth.poll socket |
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305 | |||
306 | test eax, eax |
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307 | jnz .getdata |
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308 | |||
309 | mov eax,5 |
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310 | mov ebx,1 |
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485 | heavyiron | 311 | mcall |
336 | hidnplayr | 312 | |
313 | inc edx |
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314 | cmp edx,30 |
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315 | jl .loop |
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316 | |||
317 | .end: |
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318 | } |
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319 | |||
320 | macro eth.wait_for_data socket,TIMEOUT,abort { |
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321 | mov edx,TIMEOUT |
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322 | |||
323 | @@: |
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324 | eth.poll socket |
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325 | |||
326 | cmp eax,0 |
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327 | jne @f |
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328 | |||
329 | dec edx |
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330 | jz abort |
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331 | |||
332 | mov eax,5 ; wait here for event |
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333 | mov ebx,10 |
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485 | heavyiron | 334 | mcall |
336 | hidnplayr | 335 | |
336 | jmp @r |
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337 | @@: |
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338 | |||
339 | } |
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340 | |||
341 | |||
342 | ; The function 'resolve' resolves the address in edx and puts the resulting IP in eax. |
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343 | ; When the input is an IP-adress, the function will output this IP in eax. |
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344 | ; If something goes wrong, the result in eax should be 0 |
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345 | ; |
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346 | ; example: |
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347 | ; |
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348 | ; resolve query1,IP,PORT |
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349 | ; resolve '192.168.0.1',IP,PORT |
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350 | ; resolve query2,IP,PORT |
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351 | ; |
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352 | ; query1 db 'www.google.com',0 |
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353 | ; query2 db '49.78.84.45',0 |
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354 | ; IP dd ? |
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355 | ; PORT dd ? |
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356 | |||
357 | macro resolve query,result { |
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358 | |||
359 | if query eqtype 0 |
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360 | mov edx,query |
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361 | else |
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362 | local ..string, ..label |
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363 | jmp ..label |
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364 | ..string db query,0 |
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365 | ..label: |
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366 | mov edx,..string |
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367 | end if |
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368 | |||
369 | call __resolve |
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370 | |||
371 | mov result,eax |
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372 | |||
373 | } |
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374 | |||
375 | if used __resolve |
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376 | |||
377 | __resolve: |
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378 | |||
379 | if __DEBUG__ eq 1 |
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380 | DEBUGF 1,'DNS: Resolving started\n' |
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381 | end if |
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382 | |||
383 | ; This code validates if the query is an IP containing 4 numbers and 3 dots |
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384 | |||
385 | |||
386 | push edx ; push edx (query address) onto stack |
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387 | xor al, al ; make al (dot count) zero |
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388 | |||
389 | @@: |
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390 | cmp byte[edx],'0' ; check if this byte is a number, if not jump to no_IP |
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391 | jl no_IP ; |
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392 | cmp byte[edx],'9' ; |
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393 | jg no_IP ; |
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394 | |||
395 | inc edx ; the byte was a number, so lets check the next byte |
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396 | |||
397 | cmp byte[edx],0 ; is this byte zero? (have we reached end of query?) |
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398 | jz @f ; jump to next @@ then |
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399 | cmp byte[edx],':' |
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400 | jz @f |
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401 | |||
402 | cmp byte[edx],'.' ; is this byte a dot? |
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403 | jne @r ; if not, jump to previous @@ |
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404 | |||
405 | inc al ; the byte was a dot so increment al(dot count) |
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406 | inc edx ; next byte |
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407 | jmp @r ; lets check for numbers again (jump to previous @@) |
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408 | |||
409 | @@: ; we reach this when end of query reached |
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410 | cmp al,3 ; check if there where 3 dots |
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411 | jnz no_IP ; if not, jump to no_IP (this is where the DNS will take over) |
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412 | |||
413 | ; The following code will convert this IP into a dword and output it in eax |
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414 | ; If there is also a port number specified, this will be returned in ebx, otherwise ebx is -1 |
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415 | |||
416 | pop esi ; edx (query address) was pushed onto stack and is now popped in esi |
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417 | |||
418 | xor edx, edx ; result |
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419 | xor eax, eax ; current character |
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420 | xor ebx, ebx ; current byte |
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421 | |||
422 | .outer_loop: |
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423 | shl edx, 8 |
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424 | add edx, ebx |
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425 | xor ebx, ebx |
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426 | .inner_loop: |
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427 | lodsb |
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428 | test eax, eax |
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429 | jz .finish |
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430 | cmp al, '.' |
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431 | jz .outer_loop |
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432 | sub eax, '0' |
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433 | imul ebx, 10 |
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434 | add ebx, eax |
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435 | jmp .inner_loop |
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436 | .finish: |
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437 | shl edx, 8 |
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438 | add edx, ebx |
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439 | |||
440 | bswap edx ; we want little endian order |
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441 | mov eax, edx |
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442 | |||
443 | ret |
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444 | |||
445 | |||
446 | no_IP: |
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447 | |||
448 | pop edx |
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449 | |||
450 | ; The query is not an IP address, we will send the query to a DNS server and hope for answer ;) |
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451 | if __DEBUG__ eq 1 |
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452 | DEBUGF 1,'DNS: The query is no ip, Building request string from:%u\n',edx |
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453 | end if |
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454 | |||
455 | ; Build the request string |
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456 | mov eax, 0x00010100 |
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457 | mov [dnsMsg], eax |
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458 | mov eax, 0x00000100 |
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459 | mov [dnsMsg+4], eax |
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460 | mov eax, 0x00000000 |
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461 | mov [dnsMsg+8], eax |
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462 | |||
463 | ; domain name goes in at dnsMsg+12 |
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464 | mov esi, dnsMsg + 12 ; location of label length |
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465 | mov edi, dnsMsg + 13 ; label start |
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466 | mov ecx, 12 ; total string length so far |
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467 | |||
468 | td002: |
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469 | mov [esi], byte 0 |
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470 | inc ecx |
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471 | |||
472 | td0021: |
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473 | mov al, [edx] |
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474 | |||
475 | cmp al, 0 |
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476 | je td001 ; we have finished the string translation |
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477 | |||
478 | cmp al, '.' |
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479 | je td004 ; we have finished the label |
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480 | |||
481 | inc byte [esi] |
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482 | inc ecx |
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483 | mov [edi], al |
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484 | inc edi |
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485 | inc edx |
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486 | jmp td0021 |
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487 | |||
488 | td004: |
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489 | mov esi, edi |
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490 | inc edi |
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491 | inc edx |
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492 | jmp td002 |
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493 | |||
494 | ; write label len + label text |
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495 | td001: |
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496 | mov [edi], byte 0 |
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497 | inc ecx |
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498 | inc edi |
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499 | mov [edi], dword 0x01000100 |
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500 | add ecx, 4 |
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501 | |||
502 | mov [dnsMsgLen], ecx ; We'll need the length of the message when we send it |
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503 | ; Now, lets send this and wait for an answer |
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504 | |||
505 | eth.search_port 1024,edx ; Find a free port starting from 1025 and store in edx |
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506 | eth.get_DNS esi ; Read DNS IP from stack into esi |
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507 | eth.open_udp edx,53,esi,[socketNum] ; First, open socket |
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508 | if __DEBUG__ eq 1 |
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509 | DEBUGF 1,'DNS: Socket opened: %u (port %u)\n',[socketNum],ecx |
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510 | end if |
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511 | eth.write_udp [socketNum],[dnsMsgLen],dnsMsg ; Write to socket ( request DNS lookup ) |
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512 | if __DEBUG__ eq 1 |
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513 | DEBUGF 1,'DNS: Data written, length:%u offset:%u\n',[dnsMsgLen],dnsMsg |
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514 | DEBUGF 1,'DNS: Waiting for data: (timeout is %us)\n',TIMEOUT |
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515 | end if |
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516 | eth.wait_for_data [socketNum],TIMEOUT,abort ; Now, we wait for data from remote |
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517 | eth.read_data dword[socketNum],dnsMsg,dword[dnsMsgLen],dnsMsg+BUFFER ; Read the data into the buffer |
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518 | if __DEBUG__ eq 1 |
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519 | DEBUGF 1,'Data received, offset:%u buffer size:%u length:%u\n',dnsMsg,BUFFER,esi-dnsMsg |
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520 | end if |
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521 | eth.close_udp [socketNum] ; We're done, close the socket |
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522 | if __DEBUG__ eq 1 |
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523 | DEBUGF 1,'Closed Socket\n' |
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524 | end if |
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525 | |||
526 | ; Now parse the message to get the host IP. Man, this is complicated. It's described in RFC 1035 |
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527 | ; 1) Validate that we have an answer with > 0 responses |
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528 | ; 2) Find the answer record with TYPE 0001 ( host IP ) |
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529 | ; 3) Finally, copy the IP address to the display |
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530 | ; Note: The response is in dnsMsg, the end of the buffer is pointed to by [dnsMsgLen] |
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531 | |||
532 | mov esi, dnsMsg |
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533 | |||
534 | mov al, [esi+2] ; Is this a response to my question? |
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535 | and al, 0x80 |
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536 | cmp al, 0x80 |
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537 | jne abort |
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538 | if __DEBUG__ eq 1 |
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539 | DEBUGF 1,'DNS: It was a response to my question\n' |
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540 | end if |
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541 | |||
542 | mov al, [esi+3] ; Were there any errors? |
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543 | and al, 0x0F |
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544 | cmp al, 0x00 |
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545 | jne abort |
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546 | |||
547 | if __DEBUG__ eq 1 |
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548 | DEBUGF 1,'DNS: There were no errors\n' |
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549 | end if |
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550 | |||
551 | mov ax, [esi+6] ; Is there ( at least 1 ) answer? |
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552 | cmp ax, 0x00 |
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553 | je abort |
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554 | |||
555 | ; Header validated. Scan through and get my answer |
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556 | add esi, 12 ; Skip to the question field |
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557 | call skipName ; Skip through the question field |
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558 | add esi, 4 ; skip past the questions qtype, qclass |
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559 | |||
560 | ctr002z: |
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561 | ; Now at the answer. There may be several answers, find the right one ( TYPE = 0x0001 ) |
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562 | call skipName |
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563 | mov ax, [esi] |
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564 | cmp ax, 0x0100 ; Is this the IP address answer? |
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565 | jne ctr002c |
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566 | add esi, 10 ; Yes! Point eax to the first byte of the IP address |
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567 | mov eax,[esi] |
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568 | |||
569 | ret |
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570 | |||
571 | |||
572 | ctr002c: ; Skip through the answer, move to the next |
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573 | add esi, 8 |
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574 | movzx eax, byte [esi+1] |
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575 | mov ah, [esi] |
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576 | add esi, eax |
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577 | add esi, 2 |
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578 | |||
579 | cmp esi, [dnsMsgLen] ; Have we reached the end of the msg? This is an error condition, should not happen |
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580 | jl ctr002z ; Check next answer |
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581 | |||
582 | abort: |
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583 | if __DEBUG__ eq 1 |
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584 | DEBUGF 1,'DNS: Something went wrong, aborting\n' |
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585 | end if |
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586 | xor eax,eax |
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587 | |||
588 | ret |
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589 | |||
590 | |||
591 | skipName: |
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592 | ; Increment esi to the first byte past the name field |
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593 | ; Names may use compressed labels. Normally do. |
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594 | ; RFC 1035 page 30 gives details |
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595 | mov al, [esi] |
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596 | cmp al, 0 |
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597 | je sn_exit |
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598 | and al, 0xc0 |
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599 | cmp al, 0xc0 |
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600 | je sn001 |
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601 | |||
602 | movzx eax, byte [esi] |
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603 | inc eax |
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604 | add esi, eax |
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605 | jmp skipName |
||
606 | |||
607 | sn001: |
||
608 | add esi, 2 ; A pointer is always at the end |
||
609 | ret |
||
610 | |||
611 | sn_exit: |
||
612 | inc esi |
||
613 | ret |
||
614 | |||
615 | dnsMsgLen: dd 0 |
||
616 | socketNum: dd 0xFFFF |
||
617 | |||
618 | if ~defined dnsMsg |
||
619 | dnsMsg: rb BUFFER |
||
620 | end if |
||
621 | |||
622 | end if |
||
623 |