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Rev | Author | Line No. | Line |
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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2010-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; zeroconfig.asm - Zeroconfig service for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org ;; |
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9 | ;; Some code contributed by Derpenguin ;; |
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10 | ;; ;; |
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11 | ;; DHCP code is based on that by Mike Hibbet ;; |
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3618 | hidnplayr | 12 | ;; (DHCP client for menuetos) ;; |
3545 | hidnplayr | 13 | ;; ;; |
14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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15 | ;; Version 2, June 1991 ;; |
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16 | ;; ;; |
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17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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18 | |||
19 | format binary as "" |
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20 | |||
21 | ; CONFIGURATION |
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22 | |||
23 | TIMEOUT = 60 ; in seconds |
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24 | BUFFER = 1024 ; in bytes |
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25 | __DEBUG__ = 1 ; enable/disable |
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26 | __DEBUG_LEVEL__ = 1 ; 1 = all, 2 = errors |
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27 | |||
28 | ; CONFIGURATION FOR LINK-LOCAL |
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29 | |||
30 | PROBE_WAIT = 1 ; second (initial random delay) |
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31 | PROBE_MIN = 1 ; second (minimum delay till repeated probe) |
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32 | PROBE_MAX = 2 ; seconds (maximum delay till repeated probe) |
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33 | PROBE_NUM = 3 ; (number of probe packets) |
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34 | |||
35 | ANNOUNCE_NUM = 2 ; (number of announcement packets) |
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36 | ANNOUNCE_INTERVAL = 2 ; seconds (time between announcement packets) |
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37 | ANNOUNCE_WAIT = 2 ; seconds (delay before announcing) |
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38 | |||
39 | MAX_CONFLICTS = 10 ; (max conflicts before rate limiting) |
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40 | |||
41 | RATE_LIMIT_INTERVAL = 60 ; seconds (delay between successive attempts) |
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42 | |||
43 | DEFEND_INTERVAL = 10 ; seconds (min. wait between defensive ARPs) |
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44 | |||
3618 | hidnplayr | 45 | use32 |
46 | org 0x0 |
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3545 | hidnplayr | 47 | |
3618 | hidnplayr | 48 | db 'MENUET01' ; 8 byte id |
49 | dd 0x01 ; header version |
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50 | dd START ; start of code |
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51 | dd IM_END ; size of image |
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52 | dd (I_END+0x100) ; memory for app |
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53 | dd (I_END+0x100) ; esp |
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54 | dd 0, 0 ; I_Param, I_Path |
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55 | |||
56 | |||
57 | include '../../proc32.inc' |
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58 | include '../../macros.inc' |
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59 | include '../../debug-fdo.inc' |
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60 | include '../../network.inc' |
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3545 | hidnplayr | 61 | include 'dhcp.inc' |
3618 | hidnplayr | 62 | include '../../dll.inc' |
3545 | hidnplayr | 63 | |
64 | |||
65 | Ip2dword: |
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66 | push edx |
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67 | |||
68 | ; This code validates if the query is an IP containing 4 numbers and 3 dots |
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69 | |||
70 | xor al, al ; make al (dot count) zero |
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71 | |||
72 | @@: |
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73 | cmp byte[edx],'0' ; check if this byte is a number, if not jump to no_IP |
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74 | jl no_IP ; |
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75 | cmp byte[edx],'9' ; |
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76 | jg no_IP ; |
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77 | |||
78 | inc edx ; the byte was a number, so lets check the next byte |
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79 | |||
80 | cmp byte[edx],0 ; is this byte zero? (have we reached end of query?) |
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81 | jz @f ; jump to next @@ then |
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82 | cmp byte[edx],':' |
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83 | jz @f |
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84 | |||
85 | cmp byte[edx],'.' ; is this byte a dot? |
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86 | jne @r ; if not, jump to previous @@ |
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87 | |||
88 | inc al ; the byte was a dot so increment al(dot count) |
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89 | inc edx ; next byte |
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90 | jmp @r ; lets check for numbers again (jump to previous @@) |
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91 | |||
92 | @@: ; we reach this when end of query reached |
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93 | cmp al,3 ; check if there where 3 dots |
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94 | jnz no_IP ; if not, jump to no_IP |
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95 | |||
96 | ; The following code will convert this IP into a dword and output it in eax |
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97 | ; If there is also a port number specified, this will be returned in ebx, otherwise ebx is -1 |
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98 | |||
99 | pop esi ; edx (query address) was pushed onto stack and is now popped in esi |
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100 | |||
101 | xor edx, edx ; result |
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102 | xor eax, eax ; current character |
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103 | xor ebx, ebx ; current byte |
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104 | |||
105 | .outer_loop: |
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106 | shl edx, 8 |
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107 | add edx, ebx |
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108 | xor ebx, ebx |
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109 | .inner_loop: |
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110 | lodsb |
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111 | test eax, eax |
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112 | jz .finish |
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113 | cmp al, '.' |
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114 | jz .outer_loop |
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115 | sub eax, '0' |
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116 | imul ebx, 10 |
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117 | add ebx, eax |
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118 | jmp .inner_loop |
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119 | .finish: |
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120 | shl edx, 8 |
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121 | add edx, ebx |
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122 | |||
123 | bswap edx ; we want little endian order |
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124 | |||
125 | ret |
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126 | |||
127 | no_IP: |
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128 | pop edx |
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129 | xor edx, edx |
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130 | |||
131 | ret |
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132 | |||
133 | |||
134 | |||
135 | |||
136 | |||
137 | |||
138 | START: |
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139 | mcall 40, EVM_STACK2 |
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140 | |||
141 | DEBUGF 1,">Zero-config service loaded\n" |
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142 | |||
143 | .wait: |
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3601 | hidnplayr | 144 | mov ebx, API_ETH + 0 |
145 | mov bh, [device] |
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146 | mcall 76 ; get MAC of ethernet interface 1 |
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3545 | hidnplayr | 147 | cmp eax, -1 |
148 | jne .start |
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149 | |||
150 | mcall 10 |
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151 | jmp .wait |
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152 | |||
153 | .start: |
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154 | mov word[MAC], bx |
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155 | mov dword[MAC+2], eax |
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156 | DEBUGF 1,"->MAC: %x-%x-%x-%x-%x-%x\n", [MAC+0]:2, [MAC+1]:2, [MAC+2]:2, [MAC+3]:2, [MAC+4]:2, [MAC+5]:2 |
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157 | |||
158 | mcall 40, EVM_STACK |
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159 | |||
160 | mcall 68, 11 |
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161 | |||
162 | stdcall dll.Load,@IMPORT |
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163 | or eax, eax |
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164 | jnz try_dhcp |
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165 | |||
166 | invoke ini.get_str, path, str_ipconfig, str_type, inibuf, 16, 0 |
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167 | |||
168 | cmp dword[inibuf], 'stat' |
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169 | jne try_dhcp |
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170 | |||
171 | invoke ini.get_str, path, str_ipconfig, str_ip, inibuf, 16, 0 |
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172 | mov edx, inibuf |
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173 | call Ip2dword |
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174 | mcall 76, API_IPv4 + 3, edx |
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175 | |||
176 | invoke ini.get_str, path, str_ipconfig, str_gateway, inibuf, 16, 0 |
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177 | mov edx, inibuf |
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178 | call Ip2dword |
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179 | mcall 76, API_IPv4 + 9, edx |
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180 | |||
181 | invoke ini.get_str, path, str_ipconfig, str_dns, inibuf, 16, 0 |
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182 | mov edx, inibuf |
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183 | call Ip2dword |
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184 | mcall 76, API_IPv4 + 5, edx |
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185 | |||
186 | invoke ini.get_str, path, str_ipconfig, str_subnet, inibuf, 16, 0 |
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187 | mov edx, inibuf |
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188 | call Ip2dword |
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189 | mcall 76, API_IPv4 + 7, edx |
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190 | |||
191 | |||
192 | mcall -1 |
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193 | |||
194 | |||
195 | try_dhcp: |
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196 | |||
197 | DEBUGF 1,"->Trying DHCP\n" |
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198 | |||
199 | mcall 75, 0, AF_INET4, SOCK_DGRAM, 0 ; open socket (parameters: domain, type, reserved) |
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200 | cmp eax, -1 |
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201 | je error |
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202 | mov [socketNum], eax |
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203 | |||
204 | DEBUGF 1,"->Socket %x opened\n", eax |
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205 | |||
206 | mcall 75, 2, [socketNum], sockaddr1, 18 ; bind socket to local port 68 |
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207 | cmp eax, -1 |
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208 | je error |
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209 | |||
210 | DEBUGF 1,"->Socket Bound to local port 68\n" |
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211 | |||
212 | mcall 75, 4, [socketNum], sockaddr2, 18 ; connect to 255.255.255.255 on port 67 |
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213 | cmp eax, -1 |
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214 | je error |
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215 | |||
216 | DEBUGF 1,"->Connected to 255.255.255.255 on port 67\n" |
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217 | |||
218 | mov [dhcpMsgType], 0x01 ; DHCP discover |
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219 | mov [dhcpLease], esi ; esi is still -1 (-1 = forever) |
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220 | |||
221 | mcall 26, 9 ; Get system time |
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222 | imul eax, 100 |
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223 | mov [currTime], eax |
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224 | |||
225 | build_request: ; Creates a DHCP request packet. |
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226 | |||
227 | DEBUGF 1,"->Building request\n" |
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228 | |||
229 | stdcall mem.Alloc, BUFFER |
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230 | mov [dhcpMsg], eax |
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231 | test eax, eax |
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232 | jz dhcp_error |
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233 | |||
234 | ;;; todo: skip this bullcrap |
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235 | |||
236 | mov edi, eax |
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237 | mov ecx, BUFFER |
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238 | xor eax, eax |
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239 | rep stosb |
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240 | |||
241 | ;; todo: put this in a buffer instead of writing bytes and words! |
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242 | |||
243 | mov edx, [dhcpMsg] |
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244 | |||
245 | ; Boot protocol legacy |
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246 | mov [edx], byte 0x01 ; Boot request |
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247 | mov [edx+1], byte 0x01 ; Ethernet |
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248 | mov [edx+2], byte 0x06 ; Ethernet h/w len |
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249 | mov [edx+4], dword 0x11223344 ; xid ;;;;;;; |
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250 | mov eax, [currTime] |
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251 | mov [edx+8], eax ; secs, our uptime |
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252 | mov [edx+10], byte 0x80 ; broadcast flag set |
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253 | mov eax, dword [MAC] ; first 4 bytes of MAC |
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254 | mov [edx+28],dword eax |
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255 | mov ax, word [MAC+4] ; last 2 bytes of MAC |
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256 | mov [edx+32],word ax |
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257 | |||
258 | ; DHCP extension |
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259 | mov [edx+236], dword 0x63538263 ; magic cookie |
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260 | mov [edx+240], word 0x0135 ; option DHCP msg type |
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261 | mov al, [dhcpMsgType] |
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262 | mov [edx+240+2], al |
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263 | mov [edx+240+3], word 0x0433 ; option Lease time = infinity |
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264 | mov eax, [dhcpLease] |
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265 | mov [edx+240+5], eax |
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266 | mov [edx+240+9], word 0x0432 ; option requested IP address |
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267 | mov eax, [dhcp.ip] |
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268 | mov [edx+240+11], eax |
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269 | mov [edx+240+15], word 0x0437 ; option request list |
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270 | mov [edx+240+17], dword 0x0f060301 |
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271 | |||
272 | cmp [dhcpMsgType], byte 0x01 ; Check which msg we are sending |
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273 | jne request_options |
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274 | |||
275 | mov [edx+240+21], byte 0xff ; "Discover" options |
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276 | |||
277 | mov [dhcpMsgLen], dword 262 ; end of options marker |
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278 | jmp send_dhcpmsg |
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279 | |||
280 | request_options: |
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281 | mov [edx+240+21], word 0x0436 ; server IP |
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282 | mov eax, [dhcpServerIP] |
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283 | mov [edx+240+23], eax |
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284 | |||
285 | mov [edx+240+27], byte 0xff ; end of options marker |
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286 | |||
287 | mov [dhcpMsgLen], dword 268 |
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288 | |||
289 | send_dhcpmsg: |
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290 | mcall 75, 6, [socketNum], [dhcpMsg], [dhcpMsgLen] ; write to socket ( send broadcast request ) |
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291 | |||
292 | mov eax, [dhcpMsg] ; Setup the DHCP buffer to receive response |
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293 | mov [dhcpMsgLen], eax ; Used as a pointer to the data |
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294 | |||
295 | mcall 23, TIMEOUT*10 ; wait for data |
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296 | |||
297 | read_data: ; we have data - this will be the response |
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3562 | hidnplayr | 298 | mcall 75, 7, [socketNum], [dhcpMsg], BUFFER, 0 ; read data from socket |
3545 | hidnplayr | 299 | |
300 | DEBUGF 1,"->%d bytes received\n", eax |
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301 | |||
302 | cmp eax, -1 |
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303 | je dhcp_error |
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304 | |||
305 | mov [dhcpMsgLen], eax |
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306 | |||
307 | ; depending on which msg we sent, handle the response |
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308 | ; accordingly. |
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309 | ; If the response is to a dhcp discover, then: |
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310 | ; 1) If response is DHCP OFFER then |
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311 | ; 1.1) record server IP, lease time & IP address. |
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312 | ; 1.2) send a request packet |
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313 | ; If the response is to a dhcp request, then: |
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314 | ; 1) If the response is DHCP ACK then |
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315 | ; 1.1) extract the DNS & subnet fields. Set them in the stack |
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316 | |||
317 | cmp [dhcpMsgType], 0x01 ; did we send a discover? |
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318 | je discover |
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319 | |||
320 | cmp [dhcpMsgType], 0x03 ; did we send a request? |
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321 | je request |
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322 | |||
323 | call dhcp_end ; we should never reach here ;) |
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324 | jmp exit |
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325 | |||
326 | discover: |
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327 | call parse_response |
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328 | |||
329 | cmp [dhcpMsgType], 0x02 ; Was the response an offer? |
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330 | je send_request |
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331 | |||
332 | call dhcp_end |
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333 | jmp link_local |
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334 | |||
335 | send_request: |
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336 | mov [dhcpMsgType], 0x03 ; make it a request |
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337 | jmp build_request |
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338 | |||
339 | request: |
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340 | call parse_response |
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341 | |||
342 | cmp [dhcpMsgType], 0x05 ; Was the response an ACK? It should be |
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343 | jne read_data ; NO - read next packets |
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344 | |||
345 | call dhcp_end |
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346 | |||
3601 | hidnplayr | 347 | mov ebx, API_IPv4 + 3 |
348 | mov bh, [device] |
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349 | mcall 76, , [dhcp.ip] ; ip |
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350 | mov bl, 5 |
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351 | mcall 76, , [dhcp.dns] ; dns |
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352 | mov bl, 7 |
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353 | mcall 76, , [dhcp.subnet] ; subnet |
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354 | mov bl, 9 |
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355 | mcall 76, , [dhcp.gateway] ; gateway |
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3545 | hidnplayr | 356 | |
357 | jmp exit |
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358 | |||
359 | dhcp_end: |
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360 | mcall close, [socketNum] |
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361 | stdcall mem.Free, [dhcpMsg] |
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362 | |||
363 | ret |
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364 | |||
365 | ;*************************************************************************** |
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366 | ; Function |
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367 | ; parseResponse |
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368 | ; |
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369 | ; Description |
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370 | ; extracts the fields ( client IP address and options ) from |
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371 | ; a DHCP response |
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372 | ; The values go into |
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373 | ; dhcpMsgType,dhcpLease,dhcpClientIP,dhcpServerIP, |
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374 | ; dhcpDNSIP, dhcpSubnet |
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375 | ; The message is stored in dhcpMsg |
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376 | ; |
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377 | ;*************************************************************************** |
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378 | parse_response: |
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379 | |||
380 | DEBUGF 1,"Data received, parsing response\n" |
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381 | mov edx, [dhcpMsg] |
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382 | |||
383 | push dword [edx+16] |
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384 | pop [dhcp.ip] |
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385 | DEBUGF 1,"Client: %u.%u.%u.%u\n", [edx+16]:1, [edx+17]:1, [edx+18]:1, [edx+19]:1 |
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386 | |||
387 | ; TODO: check if there really are options |
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388 | |||
389 | mov al, 240 ; Point to first option |
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390 | movzx ecx, al |
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391 | |||
392 | .next_option: |
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393 | add edx, ecx |
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394 | |||
395 | mov al, [edx] ; get message identifier |
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396 | |||
397 | cmp al, 0xff ; End of options? |
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398 | je .done |
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399 | |||
400 | cmp al, 0 |
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401 | je .pad |
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402 | |||
403 | ; TODO: check if we still are inside the buffer |
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404 | |||
405 | inc edx |
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406 | movzx ecx, byte [edx] ; get data length |
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407 | inc edx ; point to data |
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408 | |||
409 | cmp al, dhcp_msg_type ; Msg type is a single byte option |
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410 | je .msgtype |
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411 | |||
412 | cmp al, dhcp_dhcp_server_id |
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413 | je .server |
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414 | |||
415 | cmp al, dhcp_address_time |
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416 | je .lease |
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417 | |||
418 | cmp al, dhcp_subnet_mask |
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419 | je .subnet |
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420 | |||
421 | cmp al, dhcp_router |
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422 | je .router |
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423 | |||
424 | cmp al, dhcp_domain_server |
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425 | je .dns |
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426 | |||
427 | DEBUGF 1,"Unsupported DHCP option: %u\n", al |
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428 | |||
429 | jmp .next_option |
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430 | |||
431 | .pad: |
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432 | xor ecx, ecx |
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433 | inc ecx |
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434 | jmp .next_option |
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435 | |||
436 | .msgtype: |
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437 | mov al, [edx] |
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438 | mov [dhcpMsgType], al |
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439 | |||
440 | DEBUGF 1,"DHCP Msg type: %u\n", al |
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441 | jmp .next_option ; Get next option |
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442 | |||
443 | .server: |
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444 | mov eax, [edx] |
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445 | mov [dhcpServerIP], eax |
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446 | DEBUGF 1,"Server: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
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447 | jmp .next_option |
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448 | |||
449 | .lease: |
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450 | pusha |
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451 | mov eax,[edx] |
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452 | bswap eax |
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453 | mov [dhcpLease],eax |
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454 | DEBUGF 1,"lease: %d\n",eax |
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455 | popa |
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456 | jmp .next_option |
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457 | |||
458 | .subnet: |
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459 | push dword [edx] |
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460 | pop [dhcp.subnet] |
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461 | DEBUGF 1,"Subnet: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
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462 | jmp .next_option |
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463 | |||
464 | .router: |
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465 | push dword [edx] |
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466 | pop [dhcp.gateway] |
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467 | DEBUGF 1,"Gateway: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
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468 | jmp .next_option |
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469 | |||
470 | .dns: |
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471 | push dword [edx] |
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472 | pop [dhcp.dns] |
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473 | DEBUGF 1,"DNS: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
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474 | jmp .next_option |
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475 | |||
476 | .done: |
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477 | ret |
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478 | |||
479 | |||
480 | |||
481 | dhcp_error: |
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482 | call dhcp_end |
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483 | |||
484 | link_local: |
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485 | call random |
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486 | mov cx, ax |
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487 | shl ecx, 16 |
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488 | mov cx, 0xfea9 ; IP 169.254.0.0 link local net, see RFC3927 |
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3601 | hidnplayr | 489 | mov ebx, API_IPv4 + 3 |
490 | mov bh, [device] |
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491 | mcall 76, , ecx ; mask is 255.255.0.0 |
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3545 | hidnplayr | 492 | DEBUGF 1,"Link Local IP assinged: 169.254.%u.%u\n", [generator+0]:1, [generator+1]:1 |
3601 | hidnplayr | 493 | mov bl, 7 |
494 | mcall 76, , 0xffff |
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495 | mov bl, 9 |
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496 | mcall 76, , 0x0 |
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497 | mov bl, 5 |
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498 | mcall 76, , 0x0 |
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3545 | hidnplayr | 499 | |
500 | mcall 5, PROBE_WAIT*100 |
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501 | |||
502 | xor esi, esi |
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503 | probe_loop: |
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504 | call random ; create a pseudo random number in eax (seeded by MAC) |
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505 | |||
506 | cmp al, PROBE_MIN*100 ; check if al is bigger then PROBE_MIN |
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507 | jae @f ; all ok |
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508 | add al, (PROBE_MAX-PROBE_MIN)*100 ; al is too small |
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509 | @@: |
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510 | |||
511 | cmp al, PROBE_MAX*100 |
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512 | jbe @f |
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513 | sub al, (PROBE_MAX-PROBE_MIN)*100 |
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514 | @@: |
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515 | |||
516 | movzx ebx,al |
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517 | DEBUGF 1,"Waiting %u0ms\n",ebx |
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518 | mcall 5 |
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519 | |||
520 | DEBUGF 1,"Sending Probe\n" |
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3601 | hidnplayr | 521 | mov ebx, API_ARP + 6 |
522 | mov bh, [device] |
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523 | mcall 76 |
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3545 | hidnplayr | 524 | inc esi |
525 | |||
526 | cmp esi, PROBE_NUM |
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527 | jb probe_loop |
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528 | |||
529 | ; now we wait further ANNOUNCE_WAIT seconds and send ANNOUNCE_NUM ARP announces. If any other host has assingned |
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530 | ; IP within this time, we should create another adress, that have to be done later |
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531 | |||
532 | DEBUGF 1,"Waiting %us\n", ANNOUNCE_WAIT |
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533 | mcall 5, ANNOUNCE_WAIT*100 |
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534 | xor esi, esi |
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535 | announce_loop: |
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536 | |||
537 | DEBUGF 1,"Sending Announce\n" |
||
3601 | hidnplayr | 538 | mov ebx, API_ARP + 6 |
539 | mov bh, [device] |
||
540 | mcall 76 |
||
3545 | hidnplayr | 541 | |
542 | inc esi |
||
543 | cmp esi,ANNOUNCE_NUM |
||
544 | je @f |
||
545 | |||
546 | DEBUGF 1,"Waiting %us\n", ANNOUNCE_INTERVAL |
||
547 | mcall 5, ANNOUNCE_INTERVAL*100 |
||
548 | jmp announce_loop |
||
549 | @@: |
||
550 | |||
551 | |||
552 | error: |
||
553 | DEBUGF 1,"Socket error\n" |
||
554 | exit: ; we should, instead of closing, detect ARP conflicts and detect if cable keeps connected ;) |
||
555 | mcall -1 |
||
556 | |||
557 | |||
558 | random: ; Pseudo random actually |
||
559 | |||
560 | mov eax, [generator] |
||
561 | add eax, -43ab45b5h |
||
562 | ror eax, 1 |
||
563 | bswap eax |
||
564 | xor eax, dword[MAC] |
||
565 | ror eax, 1 |
||
566 | xor eax, dword[MAC+2] |
||
567 | mov [generator], eax |
||
568 | |||
569 | ret |
||
570 | |||
571 | ; DATA AREA |
||
572 | |||
573 | align 16 |
||
574 | @IMPORT: |
||
575 | |||
576 | library \ |
||
577 | libini,'libini.obj' |
||
578 | |||
579 | import libini, \ |
||
580 | ini.get_str,'ini_get_str' |
||
581 | |||
582 | include_debug_strings |
||
583 | |||
584 | str_ip db 'ip', 0 |
||
585 | str_subnet db 'subnet', 0 |
||
586 | str_gateway db 'gateway', 0 |
||
587 | str_dns db 'dns', 0 |
||
588 | str_ipconfig db 'ipconfig', 0 |
||
589 | str_type db 'type', 0 |
||
590 | |||
591 | |||
592 | sockaddr1: |
||
593 | |||
594 | dw AF_INET4 |
||
595 | dw 68 shl 8 ; local port |
||
596 | dd 0 ; local IP |
||
597 | |||
598 | rb 10 |
||
599 | |||
600 | |||
601 | sockaddr2: |
||
602 | |||
603 | dw AF_INET4 |
||
604 | dw 67 shl 8 ; destination port |
||
605 | dd -1 ; destination IP |
||
606 | |||
607 | rb 10 |
||
608 | |||
609 | path db '/sys/network.ini' |
||
610 | |||
611 | IM_END: |
||
612 | |||
3601 | hidnplayr | 613 | device db 1 |
3545 | hidnplayr | 614 | inibuf rb 16 |
615 | |||
616 | dhcpMsgType db ? |
||
617 | dhcpLease dd ? |
||
618 | dhcpServerIP dd ? |
||
619 | |||
620 | dhcp: |
||
621 | .ip dd ? |
||
622 | .subnet dd ? |
||
623 | .dns dd ? |
||
624 | .gateway dd ? |
||
625 | |||
626 | |||
627 | dhcpMsgLen dd ? |
||
628 | socketNum dd ? |
||
629 | |||
630 | MAC dp ? |
||
631 | |||
632 | currTime dd ? |
||
633 | generator dd ? |
||
634 | |||
635 | dhcpMsg dd ? |
||
636 | |||
637 | I_END: |