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Rev | Author | Line No. | Line |
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31 | halyavin | 1 | ; |
2 | ; TFTP Client |
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3 | |||
4 | use32 |
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331 | heavyiron | 5 | org 0x0 |
6 | db 'MENUET01' ; header |
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7 | dd 0x01 ; header version |
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8 | dd START ; entry point |
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9 | dd I_END ; image size |
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10 | dd I_END+0x10000 ; required memory |
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11 | dd I_END+0x10000 ; esp |
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12 | dd 0x0 , 0x0 ; I_Param , I_Path |
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31 | halyavin | 13 | |
14 | include 'lang.inc' |
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485 | heavyiron | 15 | include '..\..\..\macros.inc' |
31 | halyavin | 16 | |
331 | heavyiron | 17 | START: ; start of execution |
18 | mov eax,40 ; Report events |
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19 | mov ebx,10000111b ; Stack 8 + defaults |
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485 | heavyiron | 20 | mcall |
31 | halyavin | 21 | |
22 | mov dword [prompt], p1 |
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23 | mov dword [promptlen], p1len - p1 |
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485 | heavyiron | 24 | |
25 | red: |
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331 | heavyiron | 26 | call draw_window ; at first, draw the window |
31 | halyavin | 27 | |
28 | still: |
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331 | heavyiron | 29 | mov eax,10 ; wait here for event |
485 | heavyiron | 30 | mcall |
31 | halyavin | 31 | |
331 | heavyiron | 32 | cmp eax,1 ; redraw request ? |
33 | jz red |
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34 | cmp eax,2 ; key in buffer ? |
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35 | jz key |
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36 | cmp eax,3 ; button in buffer ? |
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37 | jz button |
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31 | halyavin | 38 | |
39 | jmp still |
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485 | heavyiron | 40 | |
331 | heavyiron | 41 | key: ; Keys are not valid at this part of the |
42 | mov eax,2 ; loop. Just read it and ignore |
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485 | heavyiron | 43 | mcall |
31 | halyavin | 44 | jmp still |
45 | |||
331 | heavyiron | 46 | button: ; button |
47 | mov eax,17 ; get id |
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485 | heavyiron | 48 | mcall |
31 | halyavin | 49 | |
331 | heavyiron | 50 | cmp ah,1 ; button id=1 ? |
31 | halyavin | 51 | jnz noclose |
52 | |||
53 | |||
54 | ; close socket before exiting |
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55 | mov eax, 53 |
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56 | mov ebx, 1 |
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57 | mov ecx, [socketNum] |
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58 | int 0x40 |
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59 | |||
60 | mov [socketNum], dword 0 |
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61 | |||
62 | |||
485 | heavyiron | 63 | or eax,-1 ; close this program |
64 | mcall |
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31 | halyavin | 65 | |
66 | noclose: |
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331 | heavyiron | 67 | cmp ah,2 ; copy file to local machine? |
31 | halyavin | 68 | jnz nocopyl |
69 | |||
70 | mov dword [prompt], p5 |
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71 | mov dword [promptlen], p5len - p5 |
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331 | heavyiron | 72 | call draw_window ; |
31 | halyavin | 73 | |
74 | ; Copy File from Remote Host to this machine |
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331 | heavyiron | 75 | call translateData ; Convert Filename & IP address |
31 | halyavin | 76 | mov edi, tftp_filename + 1 |
77 | mov [edi], byte 0x01 ; setup tftp msg |
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78 | call copyFromRemote |
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79 | |||
80 | jmp still |
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81 | |||
82 | nocopyl: |
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83 | |||
331 | heavyiron | 84 | cmp ah,3 ; Copy file to host? |
31 | halyavin | 85 | jnz nocopyh |
86 | |||
87 | mov dword [prompt], p5 |
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88 | mov dword [promptlen], p5len - p5 |
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331 | heavyiron | 89 | call draw_window ; |
31 | halyavin | 90 | |
91 | ; Copy File from this machine to Remote Host |
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331 | heavyiron | 92 | call translateData ; Convert Filename & IP address |
31 | halyavin | 93 | mov edi, tftp_filename + 1 |
94 | mov [edi], byte 0x02 ; setup tftp msg |
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95 | call copyToRemote |
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96 | |||
97 | jmp still |
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98 | |||
99 | nocopyh: |
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100 | cmp ah,4 |
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331 | heavyiron | 101 | jz f1 |
31 | halyavin | 102 | cmp ah,5 |
331 | heavyiron | 103 | jz f2 |
31 | halyavin | 104 | jmp nof12 |
105 | |||
106 | f1: |
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107 | mov [addr],dword source |
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108 | mov [ya],dword 35 |
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109 | jmp rk |
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110 | |||
111 | f2: |
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112 | mov [addr],dword destination |
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113 | mov [ya],dword 35+16 |
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114 | |||
115 | rk: |
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116 | mov ecx,15 |
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117 | mov edi,[addr] |
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118 | mov al,' ' |
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119 | rep stosb |
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120 | |||
121 | call print_text |
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122 | |||
123 | mov edi,[addr] |
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124 | |||
125 | f11: |
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126 | mov eax,10 |
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485 | heavyiron | 127 | mcall |
31 | halyavin | 128 | cmp eax,2 |
331 | heavyiron | 129 | jz fbu |
31 | halyavin | 130 | jmp still |
131 | fbu: |
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132 | mov eax,2 |
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485 | heavyiron | 133 | mcall ; get key |
31 | halyavin | 134 | shr eax,8 |
135 | cmp eax,8 |
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136 | jnz nobs |
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137 | cmp edi,[addr] |
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331 | heavyiron | 138 | jz f11 |
31 | halyavin | 139 | sub edi,1 |
140 | mov [edi],byte ' ' |
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141 | call print_text |
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142 | jmp f11 |
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143 | nobs: |
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144 | cmp eax,dword 31 |
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145 | jbe f11 |
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146 | cmp eax,dword 95 |
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331 | heavyiron | 147 | jb keyok |
31 | halyavin | 148 | sub eax,32 |
149 | keyok: |
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150 | mov [edi],al |
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151 | |||
152 | call print_text |
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153 | |||
154 | add edi,1 |
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155 | mov esi,[addr] |
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156 | add esi,15 |
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157 | cmp esi,edi |
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158 | jnz f11 |
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159 | |||
160 | jmp still |
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161 | |||
162 | print_text: |
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163 | |||
164 | mov eax,13 |
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165 | mov ebx,103*65536+15*6 |
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166 | mov ecx,[ya] |
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167 | shl ecx,16 |
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168 | mov cx,8 |
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169 | mov edx,0x224466 |
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485 | heavyiron | 170 | mcall |
31 | halyavin | 171 | |
172 | mov eax,4 |
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173 | mov ebx,103*65536 |
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174 | add ebx,[ya] |
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175 | mov ecx,0xffffff |
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176 | mov edx,[addr] |
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177 | mov esi,15 |
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485 | heavyiron | 178 | mcall |
31 | halyavin | 179 | |
180 | ret |
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181 | |||
182 | |||
183 | nof12: |
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184 | jmp still |
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185 | |||
186 | |||
187 | ;*************************************************************************** |
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188 | ; Function |
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189 | ; translateData |
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190 | ; |
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191 | ; Description |
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192 | ; Coverts the filename and IP address typed in by the user into |
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193 | ; a format suitable for the IP layer. |
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194 | ; |
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195 | ; The filename, in source, is converted and stored in tftp_filename |
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196 | ; The host ip, in destination, is converted and stored in tftp_IP |
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197 | ; |
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198 | ;*************************************************************************** |
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199 | translateData: |
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200 | |||
201 | ; first, build up the tftp command string. This includes the filename |
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202 | ; and the transfer protocol |
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203 | |||
204 | |||
205 | ; First, write 0,0 |
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206 | mov al, 0 |
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207 | mov edi, tftp_filename |
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208 | mov [edi], al |
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209 | inc edi |
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210 | mov [edi], al |
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211 | inc edi |
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212 | |||
213 | ; Now, write the file name itself, and null terminate it |
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214 | mov ecx, 15 |
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215 | mov ah, ' ' |
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216 | mov esi, source |
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217 | |||
218 | td001: |
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219 | lodsb |
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220 | stosb |
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221 | cmp al, ah |
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222 | loopnz td001 |
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223 | |||
224 | cmp al,ah ; Was the entire buffer full of characters? |
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225 | jne td002 |
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226 | dec edi ; No - so remove ' ' character |
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227 | |||
228 | td002: |
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229 | mov [edi], byte 0 |
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230 | inc edi |
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231 | mov [edi], byte 'O' |
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232 | inc edi |
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233 | mov [edi], byte 'C' |
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234 | inc edi |
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235 | mov [edi], byte 'T' |
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236 | inc edi |
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237 | mov [edi], byte 'E' |
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238 | inc edi |
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239 | mov [edi], byte 'T' |
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240 | inc edi |
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241 | mov [edi], byte 0 |
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242 | |||
243 | mov esi, tftp_filename |
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244 | sub edi, esi |
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245 | mov [tftp_len], edi |
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246 | |||
247 | |||
248 | ; Now, convert the typed IP address into a real address |
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249 | ; No validation is done on the number entered |
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250 | ; ip addresses must be typed in normally, eg |
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251 | ; 192.1.45.24 |
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252 | |||
253 | xor eax, eax |
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254 | mov dh, 10 |
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255 | mov dl, al |
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256 | mov [tftp_IP], eax |
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257 | |||
258 | ; 192.168.24.1 1.1.1.1 1. 9.2.3. |
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259 | |||
260 | mov esi, destination |
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261 | mov edi, tftp_IP |
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262 | |||
263 | mov ecx, 4 |
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264 | |||
265 | td003: |
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266 | lodsb |
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267 | sub al, '0' |
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268 | add dl, al |
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269 | lodsb |
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270 | cmp al, '.' |
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271 | je ipNext |
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272 | cmp al, ' ' |
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273 | je ipNext |
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274 | mov dh, al |
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275 | sub dh, '0' |
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276 | mov al, 10 |
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277 | mul dl |
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278 | add al, dh |
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279 | mov dl, al |
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280 | lodsb |
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281 | cmp al, '.' |
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282 | je ipNext |
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283 | cmp al, ' ' |
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284 | je ipNext |
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285 | mov dh, al |
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286 | sub dh, '0' |
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287 | mov al, 10 |
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288 | mul dl |
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289 | add al, dh |
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290 | mov dl, al |
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291 | lodsb |
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292 | |||
293 | ipNext: |
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294 | mov [edi], dl |
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295 | inc edi |
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296 | mov dl, 0 |
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297 | loop td003 |
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298 | |||
299 | ret |
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300 | |||
301 | |||
302 | |||
303 | ;*************************************************************************** |
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304 | ; Function |
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305 | ; copyFromRemote |
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306 | ; |
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307 | ; Description |
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308 | ; |
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309 | ;*************************************************************************** |
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310 | copyFromRemote: |
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311 | xor eax, eax |
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312 | mov [filesize], eax |
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313 | mov eax, I_END + 512 ; This is the point where the file buffer is |
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314 | mov [fileposition], eax |
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315 | |||
316 | ; Get a random # for the local socket port # |
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317 | mov eax, 3 |
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331 | heavyiron | 318 | int 0x40 |
31 | halyavin | 319 | mov ecx, eax |
331 | heavyiron | 320 | shr ecx, 8 ; Set up the local port # with a random # |
31 | halyavin | 321 | |
322 | ; open socket |
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323 | mov eax, 53 |
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324 | mov ebx, 0 |
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331 | heavyiron | 325 | mov edx, 69 ; remote port |
31 | halyavin | 326 | mov esi, [tftp_IP] ; remote IP ( in intenet format ) |
327 | int 0x40 |
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328 | |||
331 | heavyiron | 329 | mov [socketNum], eax |
31 | halyavin | 330 | |
331 | ; make sure there is no data in the socket - there shouldn't be.. |
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332 | |||
333 | cfr001: |
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334 | mov eax, 53 |
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335 | mov ebx, 3 |
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336 | mov ecx, [socketNum] |
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331 | heavyiron | 337 | int 0x40 ; read byte |
31 | halyavin | 338 | |
339 | mov eax, 53 |
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340 | mov ebx, 2 |
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341 | mov ecx, [socketNum] |
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331 | heavyiron | 342 | int 0x40 ; any more data? |
31 | halyavin | 343 | |
344 | cmp eax, 0 |
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331 | heavyiron | 345 | jne cfr001 ; yes, so get it |
31 | halyavin | 346 | |
347 | ; Now, request the file |
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348 | mov eax, 53 |
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349 | mov ebx, 4 |
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350 | mov ecx, [socketNum] |
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351 | mov edx, [tftp_len] |
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352 | mov esi, tftp_filename |
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353 | int 0x40 |
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354 | |||
355 | cfr002: |
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331 | heavyiron | 356 | mov eax,10 ; wait here for event |
485 | heavyiron | 357 | mcall |
31 | halyavin | 358 | |
331 | heavyiron | 359 | cmp eax,1 ; redraw request ? |
360 | je cfr003 |
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361 | cmp eax,2 ; key in buffer ? |
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362 | je cfr004 |
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363 | cmp eax,3 ; button in buffer ? |
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364 | je cfr005 |
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31 | halyavin | 365 | |
366 | ; Any data to fetch? |
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367 | mov eax, 53 |
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368 | mov ebx, 2 |
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369 | mov ecx, [socketNum] |
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370 | int 0x40 |
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371 | |||
372 | cmp eax, 0 |
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373 | je cfr002 |
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374 | |||
375 | push eax ; eax holds # chars |
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376 | |||
377 | ; Update the text on the display - once |
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378 | mov eax, [prompt] |
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379 | cmp eax, p3 |
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380 | je cfr008 |
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381 | mov dword [prompt], p3 |
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382 | mov dword [promptlen], p3len - p3 |
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331 | heavyiron | 383 | call draw_window ; |
31 | halyavin | 384 | |
385 | cfr008: |
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386 | ; we have data - this will be a tftp frame |
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387 | |||
388 | ; read first two bytes - opcode |
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389 | mov eax, 53 |
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390 | mov ebx, 3 |
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391 | mov ecx, [socketNum] |
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331 | heavyiron | 392 | int 0x40 ; read byte |
31 | halyavin | 393 | |
394 | mov eax, 53 |
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395 | mov ebx, 3 |
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396 | mov ecx, [socketNum] |
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331 | heavyiron | 397 | int 0x40 ; read byte |
31 | halyavin | 398 | |
399 | pop eax |
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400 | ; bl holds tftp opcode. Can only be 3 (data) or 5 ( error ) |
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401 | |||
402 | cmp bl, 3 |
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403 | jne cfrerr |
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404 | |||
405 | push eax |
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406 | |||
407 | ; do data stuff. Read block #. Read data. Send Ack. |
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408 | mov eax, 53 |
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409 | mov ebx, 3 |
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410 | mov ecx, [socketNum] |
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331 | heavyiron | 411 | int 0x40 ; read byte |
31 | halyavin | 412 | |
413 | mov [blockNumber], bl |
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414 | |||
415 | mov eax, 53 |
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416 | mov ebx, 3 |
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417 | mov ecx, [socketNum] |
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418 | int 0x40 ; read byte |
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419 | |||
420 | mov [blockNumber+1], bl |
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421 | |||
422 | cfr007: |
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423 | |||
424 | mov eax, 53 |
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425 | mov ebx, 2 |
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426 | mov ecx, [socketNum] |
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485 | heavyiron | 427 | mcall ; any more data? |
31 | halyavin | 428 | |
429 | cmp eax, 0 |
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430 | je no_more_data ; no |
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431 | |||
432 | mov eax, 53 |
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433 | mov ebx, 3 |
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434 | mov ecx, [socketNum] |
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485 | heavyiron | 435 | mcall ; read byte |
31 | halyavin | 436 | |
437 | mov esi, [fileposition] |
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438 | mov [esi], bl |
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439 | inc dword [fileposition] |
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440 | inc dword [filesize] |
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441 | |||
331 | heavyiron | 442 | jmp cfr007 |
31 | halyavin | 443 | |
444 | no_more_data: |
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445 | |||
446 | ; write the block number into the ack |
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447 | mov al, [blockNumber] |
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448 | mov [ack + 2], al |
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449 | |||
450 | mov al, [blockNumber+1] |
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451 | mov [ack + 3], al |
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452 | |||
453 | ; send an 'ack' |
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454 | mov eax, 53 |
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455 | mov ebx, 4 |
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456 | mov ecx, [socketNum] |
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457 | mov edx, ackLen - ack |
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458 | mov esi, ack |
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459 | int 0x40 |
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460 | |||
461 | ; If # of chars in the frame is less that 516, |
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462 | ; this frame is the last |
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463 | pop eax |
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464 | cmp eax, 516 |
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465 | je cfr002 |
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466 | |||
467 | ; Write the file |
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468 | mov eax, 33 |
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469 | mov ebx, source |
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470 | mov edx, [filesize] |
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471 | mov ecx, I_END + 512 |
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472 | mov esi, 0 |
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485 | heavyiron | 473 | mcall |
31 | halyavin | 474 | |
475 | jmp cfrexit |
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476 | |||
477 | cfrerr: |
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478 | ; simple implementation on error - just read all data, and return |
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479 | mov eax, 53 |
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480 | mov ebx, 3 |
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481 | mov ecx, [socketNum] |
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331 | heavyiron | 482 | int 0x40 ; read byte |
31 | halyavin | 483 | |
484 | mov eax, 53 |
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485 | mov ebx, 2 |
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486 | mov ecx, [socketNum] |
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331 | heavyiron | 487 | int 0x40 ; any more data? |
31 | halyavin | 488 | |
489 | cmp eax, 0 |
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331 | heavyiron | 490 | jne cfrerr ; yes, so get it |
31 | halyavin | 491 | |
331 | heavyiron | 492 | jmp cfr006 ; close socket and close app |
31 | halyavin | 493 | |
331 | heavyiron | 494 | cfr003: ; redraw request |
31 | halyavin | 495 | call draw_window |
496 | jmp cfr002 |
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497 | |||
331 | heavyiron | 498 | cfr004: ; key pressed |
499 | mov eax,2 ; just read it and ignore |
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485 | heavyiron | 500 | mcall |
31 | halyavin | 501 | jmp cfr002 |
502 | |||
331 | heavyiron | 503 | cfr005: ; button |
504 | mov eax,17 ; get id |
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485 | heavyiron | 505 | mcall |
31 | halyavin | 506 | |
331 | heavyiron | 507 | cmp ah,1 ; button id=1 ? |
31 | halyavin | 508 | jne cfr002 ; If not, ignore. |
509 | |||
510 | cfr006: |
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511 | ; close socket |
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512 | mov eax, 53 |
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513 | mov ebx, 1 |
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514 | mov ecx, [socketNum] |
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515 | int 0x40 |
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516 | |||
517 | mov [socketNum], dword 0 |
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518 | |||
331 | heavyiron | 519 | mov eax,-1 ; close this program |
485 | heavyiron | 520 | mcall |
31 | halyavin | 521 | |
522 | jmp $ |
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523 | |||
524 | cfrexit: |
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525 | ; close socket |
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526 | mov eax, 53 |
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527 | mov ebx, 1 |
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528 | mov ecx, [socketNum] |
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529 | int 0x40 |
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530 | |||
531 | mov [socketNum], dword 0 |
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532 | |||
533 | mov dword [prompt], p4 |
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534 | mov dword [promptlen], p4len - p4 |
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331 | heavyiron | 535 | call draw_window ; |
31 | halyavin | 536 | |
537 | ret |
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538 | |||
539 | |||
540 | |||
541 | ;*************************************************************************** |
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542 | ; Function |
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543 | ; copyToRemote |
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544 | ; |
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545 | ; Description |
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546 | ; |
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547 | ;*************************************************************************** |
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548 | copyToRemote: |
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549 | mov eax,6 ; Read file from floppy (image) |
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550 | mov ebx,source |
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551 | mov ecx,0 |
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552 | mov edx,0xffffffff |
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553 | mov esi,I_END + 512 |
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554 | int 0x40 |
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555 | |||
556 | cmp eax,0xffffffff |
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557 | jnz filefound |
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558 | |||
559 | mov dword [prompt], p6 |
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560 | mov dword [promptlen], p6len - p6 |
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331 | heavyiron | 561 | call draw_window ; |
31 | halyavin | 562 | jmp ctr_exit |
563 | |||
564 | filefound: |
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565 | mov [filesize], eax |
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566 | |||
567 | ; First, set up the file pointers |
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568 | mov eax, 0x01000300 |
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569 | mov [blockBuffer], eax ; This makes sure our TFTP header is valid |
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570 | |||
571 | mov eax, I_END + 512 ; This is the point where the file buffer is |
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572 | mov [fileposition], eax |
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573 | |||
574 | mov eax, [filesize] |
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575 | cmp eax, 512 |
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576 | jb ctr000 |
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577 | mov eax, 512 |
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578 | ctr000: |
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579 | mov [fileblocksize], ax |
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580 | |||
581 | ; Get a random # for the local socket port # |
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582 | mov eax, 3 |
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331 | heavyiron | 583 | int 0x40 |
31 | halyavin | 584 | mov ecx, eax |
331 | heavyiron | 585 | shr ecx, 8 ; Set up the local port # with a random # |
31 | halyavin | 586 | |
587 | ; First, open socket |
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588 | mov eax, 53 |
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589 | mov ebx, 0 |
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331 | heavyiron | 590 | mov edx, 69 ; remote port |
31 | halyavin | 591 | mov esi, [tftp_IP] |
592 | int 0x40 |
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593 | |||
331 | heavyiron | 594 | mov [socketNum], eax |
31 | halyavin | 595 | |
596 | ; write to socket ( request write file ) |
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597 | mov eax, 53 |
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598 | mov ebx, 4 |
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599 | mov ecx, [socketNum] |
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600 | mov edx, [tftp_len] |
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601 | mov esi, tftp_filename |
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602 | int 0x40 |
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603 | |||
604 | ; now, we wait for |
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605 | ; UI redraw |
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606 | ; UI close |
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607 | ; or data from remote |
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608 | |||
609 | ctr001: |
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331 | heavyiron | 610 | mov eax,10 ; wait here for event |
31 | halyavin | 611 | int 0x40 |
612 | |||
331 | heavyiron | 613 | cmp eax,1 ; redraw request ? |
614 | je ctr003 |
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615 | cmp eax,2 ; key in buffer ? |
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616 | je ctr004 |
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617 | cmp eax,3 ; button in buffer ? |
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618 | je ctr005 |
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31 | halyavin | 619 | |
620 | |||
621 | ; Any data in the UDP receive buffer? |
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622 | mov eax, 53 |
||
623 | mov ebx, 2 |
||
624 | mov ecx, [socketNum] |
||
625 | int 0x40 |
||
626 | |||
627 | cmp eax, 0 |
||
628 | je ctr001 |
||
629 | |||
630 | ; Update the text on the display - once |
||
631 | mov eax, [prompt] |
||
632 | cmp eax, p2 |
||
633 | je ctr002 |
||
634 | |||
635 | mov dword [prompt], p2 |
||
636 | mov dword [promptlen], p2len - p2 |
||
331 | heavyiron | 637 | call draw_window ; |
31 | halyavin | 638 | |
639 | ; we have data - this will be the ack |
||
640 | ctr002: |
||
641 | mov eax, 53 |
||
642 | mov ebx, 3 |
||
643 | mov ecx, [socketNum] |
||
331 | heavyiron | 644 | int 0x40 ; read byte - opcode |
31 | halyavin | 645 | |
646 | mov eax, 53 |
||
647 | mov ebx, 3 |
||
648 | mov ecx, [socketNum] |
||
331 | heavyiron | 649 | int 0x40 ; read byte - opcode |
31 | halyavin | 650 | |
651 | mov eax, 53 |
||
652 | mov ebx, 3 |
||
653 | mov ecx, [socketNum] |
||
331 | heavyiron | 654 | int 0x40 ; read byte - block (high byte) |
31 | halyavin | 655 | |
656 | mov [blockNumber], bl |
||
657 | |||
658 | mov eax, 53 |
||
659 | mov ebx, 3 |
||
660 | mov ecx, [socketNum] |
||
331 | heavyiron | 661 | int 0x40 ; read byte - block (low byte ) |
31 | halyavin | 662 | |
663 | mov [blockNumber+1], bl |
||
664 | |||
665 | ctr0022: |
||
666 | mov eax, 53 |
||
667 | mov ebx, 3 |
||
668 | mov ecx, [socketNum] |
||
331 | heavyiron | 669 | int 0x40 ; read byte (shouldn't have worked) |
31 | halyavin | 670 | |
671 | |||
672 | mov eax, 53 |
||
673 | mov ebx, 2 |
||
674 | mov ecx, [socketNum] |
||
331 | heavyiron | 675 | int 0x40 ; any more data? |
31 | halyavin | 676 | |
677 | cmp eax, 0 |
||
678 | jne ctr0022 ; yes, so get it, and dump it |
||
679 | |||
680 | ; If the ack is 0, it is to the request |
||
681 | |||
682 | mov bx, [blockNumber] |
||
683 | cmp bx, 0 |
||
684 | je txd |
||
685 | |||
686 | ; now, the ack should be one more than the current field - otherwise, resend |
||
687 | |||
688 | cmp bx, [blockBuffer+2] |
||
689 | jne txre ; not the same, so send again |
||
690 | |||
691 | ; update the block number |
||
692 | mov esi, blockBuffer + 3 |
||
693 | mov al, [esi] |
||
694 | inc al |
||
695 | mov [esi], al |
||
696 | cmp al, 0 |
||
697 | jne ctr008 |
||
698 | dec esi |
||
331 | heavyiron | 699 | inc byte [esi] |
31 | halyavin | 700 | |
701 | ctr008: |
||
702 | ; Move forward through the file |
||
703 | mov eax, [fileposition] |
||
704 | movzx ebx, word [fileblocksize] |
||
705 | add eax, ebx |
||
706 | mov [fileposition], eax |
||
707 | |||
708 | ; new .. |
||
709 | ; fs = 0 , fbs = 512 -> send with fbs = 0 |
||
710 | |||
711 | cmp [filesize],0 |
||
712 | jne no_special_end |
||
713 | cmp [fileblocksize],512 |
||
714 | jne no_special_end |
||
715 | mov ax,0 |
||
716 | jmp ctr006 |
||
717 | no_special_end: |
||
718 | |||
719 | mov eax, [filesize] |
||
720 | cmp eax, 0 |
||
721 | je ctr009 |
||
722 | cmp eax, 512 |
||
723 | jb ctr006 |
||
724 | mov eax, 512 |
||
725 | ctr006: |
||
726 | mov [fileblocksize], ax |
||
727 | |||
728 | |||
729 | txd: |
||
730 | ; Readjust the file size variable ( before sending ) |
||
731 | mov eax, [filesize] |
||
732 | movzx ebx, word [fileblocksize] |
||
733 | sub eax, ebx |
||
734 | mov [filesize], eax |
||
735 | |||
736 | txre: |
||
737 | ; Copy the fragment of the file to the block buffer |
||
738 | movzx ecx, word [fileblocksize] |
||
739 | mov esi, [fileposition] |
||
740 | mov edi, I_END |
||
741 | cld |
||
742 | rep movsb |
||
743 | |||
744 | ; send the file data |
||
745 | mov eax, 53 |
||
746 | mov ebx, 4 |
||
747 | mov ecx, [socketNum] |
||
748 | movzx edx, word [fileblocksize] |
||
749 | add edx, 4 |
||
750 | mov esi, blockBuffer |
||
751 | int 0x40 |
||
752 | |||
753 | jmp ctr001 |
||
754 | |||
331 | heavyiron | 755 | ctr003: ; redraw |
31 | halyavin | 756 | call draw_window |
757 | jmp ctr001 |
||
758 | |||
331 | heavyiron | 759 | ctr004: ; key |
760 | mov eax,2 ; just read it and ignore |
||
31 | halyavin | 761 | int 0x40 |
762 | jmp ctr001 |
||
763 | |||
331 | heavyiron | 764 | ctr005: ; button |
765 | mov eax,17 ; get id |
||
31 | halyavin | 766 | int 0x40 |
767 | |||
331 | heavyiron | 768 | cmp ah,1 ; button id=1 ? |
31 | halyavin | 769 | jne ctr001 |
770 | |||
771 | ; close socket |
||
772 | mov eax, 53 |
||
773 | mov ebx, 1 |
||
774 | mov ecx, [socketNum] |
||
775 | int 0x40 |
||
776 | |||
777 | mov [socketNum], dword 0 |
||
778 | |||
331 | heavyiron | 779 | mov eax,-1 ; close this program |
31 | halyavin | 780 | int 0x40 |
781 | jmp $ |
||
782 | |||
783 | ctr009: |
||
784 | ; close socket |
||
785 | mov eax, 53 |
||
786 | mov ebx, 1 |
||
787 | mov ecx, [socketNum] |
||
788 | int 0x40 |
||
789 | |||
790 | mov dword [prompt], p4 |
||
791 | mov dword [promptlen], p4len - p4 |
||
331 | heavyiron | 792 | call draw_window ; |
31 | halyavin | 793 | |
794 | ctr_exit: |
||
795 | ret |
||
796 | |||
797 | |||
798 | |||
799 | |||
800 | ; ********************************************* |
||
801 | ; ******* WINDOW DEFINITIONS AND DRAW ******** |
||
802 | ; ********************************************* |
||
803 | |||
804 | |||
805 | draw_window: |
||
806 | |||
331 | heavyiron | 807 | mov eax,12 ; function 12:tell os about windowdraw |
808 | mov ebx,1 ; 1, start of draw |
||
485 | heavyiron | 809 | mcall |
31 | halyavin | 810 | |
331 | heavyiron | 811 | ; DRAW WINDOW |
812 | mov eax,0 ; function 0 : define and draw window |
||
813 | mov ebx,100*65536+230 ; [x start] *65536 + [x size] |
||
814 | mov ecx,100*65536+170 ; [y start] *65536 + [y size] |
||
815 | mov edx,0x13224466 ; color of work area RRGGBB |
||
485 | heavyiron | 816 | mov edi,title |
817 | mcall |
||
31 | halyavin | 818 | |
331 | heavyiron | 819 | mov eax,8 ; COPY BUTTON |
31 | halyavin | 820 | mov ebx,20*65536+190 |
821 | mov ecx,79*65536+15 |
||
822 | mov edx,2 |
||
823 | mov esi,0x557799 |
||
485 | heavyiron | 824 | mcall |
31 | halyavin | 825 | |
485 | heavyiron | 826 | ; mov eax,8 ; DELETE BUTTON |
31 | halyavin | 827 | mov ebx,20*65536+190 |
828 | mov ecx,111*65536+15 |
||
829 | mov edx,3 |
||
485 | heavyiron | 830 | mcall |
31 | halyavin | 831 | |
485 | heavyiron | 832 | ; mov eax,8 |
833 | ; mov ebx,200*65536+10 |
||
31 | halyavin | 834 | mov ecx,34*65536+10 |
835 | mov edx,4 |
||
485 | heavyiron | 836 | mcall |
31 | halyavin | 837 | |
485 | heavyiron | 838 | ; mov eax,8 |
839 | ; mov ebx,200*65536+10 |
||
31 | halyavin | 840 | mov ecx,50*65536+10 |
841 | mov edx,5 |
||
485 | heavyiron | 842 | mcall |
31 | halyavin | 843 | |
844 | |||
845 | ; Copy the file name to the screen buffer |
||
846 | ; file name is same length as IP address, to |
||
847 | ; make the math easier later. |
||
848 | cld |
||
849 | mov esi,source |
||
850 | mov edi,text+13 |
||
851 | mov ecx,15 |
||
852 | rep movsb |
||
853 | |||
854 | |||
855 | ; copy the IP address to the screen buffer |
||
856 | mov esi,destination |
||
857 | mov edi,text+40+13 |
||
858 | mov ecx,15 |
||
859 | rep movsb |
||
860 | |||
861 | ; copy the prompt to the screen buffer |
||
862 | mov esi,[prompt] |
||
863 | mov edi,text+280 |
||
864 | mov ecx,[promptlen] |
||
865 | rep movsb |
||
866 | |||
867 | ; Re-draw the screen text |
||
868 | cld |
||
485 | heavyiron | 869 | mov eax,4 |
331 | heavyiron | 870 | mov ebx,25*65536+35 ; draw info text with function 4 |
31 | halyavin | 871 | mov ecx,0xffffff |
872 | mov edx,text |
||
873 | mov esi,40 |
||
874 | newline: |
||
485 | heavyiron | 875 | mcall |
31 | halyavin | 876 | add ebx,16 |
877 | add edx,40 |
||
878 | cmp [edx],byte 'x' |
||
879 | jnz newline |
||
880 | |||
881 | |||
331 | heavyiron | 882 | mov eax,12 ; function 12:tell os about windowdraw |
883 | mov ebx,2 ; 2, end of draw |
||
485 | heavyiron | 884 | mcall |
31 | halyavin | 885 | |
886 | ret |
||
887 | |||
888 | |||
889 | ; DATA AREA |
||
890 | |||
331 | heavyiron | 891 | source db 'KERNEL.ASM ' |
31 | halyavin | 892 | destination db '192.168.1.23 ' |
893 | |||
894 | |||
331 | heavyiron | 895 | tftp_filename: times 15 + 9 db 0 |
31 | halyavin | 896 | tftp_IP: dd 0 |
897 | tftp_len: dd 0 |
||
898 | |||
899 | addr dd 0x0 |
||
900 | ya dd 0x0 |
||
901 | |||
902 | fileposition dd 0 ; Points to the current point in the file |
||
903 | filesize dd 0 ; The number of bytes written / left to write |
||
904 | fileblocksize dw 0 ; The number of bytes to send in this frame |
||
905 | |||
906 | text: |
||
907 | db 'SOURCE FILE: xxxxxxxxxxxxxxx ' |
||
908 | db 'HOST IP ADD: xxx.xxx.xxx.xxx ' |
||
909 | db ' ' |
||
910 | db ' COPY HOST -> LOCAL ' |
||
911 | db ' ' |
||
912 | db ' COPY LOCAL -> HOST ' |
||
913 | db ' ' |
||
914 | db ' ' |
||
331 | heavyiron | 915 | db 'x' ; <- END MARKER, DONT DELETE |
31 | halyavin | 916 | |
917 | |||
485 | heavyiron | 918 | title db 'TFTP Client',0 |
31 | halyavin | 919 | |
920 | prompt: dd 0 |
||
921 | promptlen: dd 0 |
||
922 | |||
923 | |||
924 | p1: db 'Waiting for Command' |
||
925 | p1len: |
||
926 | |||
927 | p2: db 'Sending File ' |
||
928 | p2len: |
||
929 | |||
930 | p3: db 'Receiving File ' |
||
931 | p3len: |
||
932 | |||
933 | p4: db 'Tranfer Complete ' |
||
934 | p4len: |
||
935 | |||
936 | p5: db 'Contacting Host... ' |
||
937 | p5len: |
||
938 | |||
939 | p6: db 'File not found. ' |
||
940 | p6len: |
||
941 | |||
942 | ack: |
||
943 | db 00,04,0,1 |
||
944 | ackLen: |
||
945 | |||
946 | socketNum: |
||
947 | dd 0 |
||
948 | |||
949 | blockNumber: |
||
950 | dw 0 |
||
951 | |||
952 | ; This must be the last part of the file, because the blockBuffer |
||
953 | ; continues at I_END. |
||
954 | blockBuffer: |
||
955 | db 00, 03, 00, 01 |
||
956 | I_END:-> |
||
957 |