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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2010-2013. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2010-2013. All rights reserved. ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
5 | ;; ;; |
6 | ;; zeroconfig.asm - Zeroconfig service for KolibriOS ;; |
6 | ;; zeroconfig.asm - Zeroconfig service for KolibriOS ;; |
7 | ;; ;; |
7 | ;; ;; |
8 | ;; Written by hidnplayr@kolibrios.org ;; |
8 | ;; Written by hidnplayr@kolibrios.org ;; |
9 | ;; Some code contributed by Derpenguin ;; |
9 | ;; Some code contributed by Derpenguin ;; |
10 | ;; ;; |
10 | ;; ;; |
11 | ;; DHCP code is based on that by Mike Hibbet ;; |
11 | ;; DHCP code is based on that by Mike Hibbet ;; |
12 | ;; (DHCP client for menuetos) ;; |
12 | ;; (DHCP client for menuetos) ;; |
13 | ;; ;; |
13 | ;; ;; |
14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
15 | ;; Version 2, June 1991 ;; |
15 | ;; Version 2, June 1991 ;; |
16 | ;; ;; |
16 | ;; ;; |
17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
18 | 18 | ||
19 | format binary as "" |
19 | format binary as "" |
20 | 20 | ||
21 | ; CONFIGURATION |
21 | ; CONFIGURATION |
22 | 22 | ||
23 | TIMEOUT = 3 ; in seconds |
23 | TIMEOUT = 3 ; in seconds |
24 | BUFFER = 1024 ; in bytes |
24 | BUFFER = 1024 ; in bytes |
25 | DHCP_TRIES = 3 ; number of times to try contacting DHCP server |
25 | DHCP_TRIES = 3 ; number of times to try contacting DHCP server |
26 | __DEBUG__ = 1 ; enable/disable |
26 | __DEBUG__ = 1 ; enable/disable |
27 | __DEBUG_LEVEL__ = 2 ; 1 = all, 2 = errors |
27 | __DEBUG_LEVEL__ = 2 ; 1 = all, 2 = errors |
28 | 28 | ||
29 | ; CONFIGURATION FOR LINK-LOCAL |
29 | ; CONFIGURATION FOR LINK-LOCAL |
30 | 30 | ||
31 | PROBE_WAIT = 1 ; second (initial random delay) |
31 | PROBE_WAIT = 1 ; second (initial random delay) |
32 | PROBE_MIN = 1 ; second (minimum delay till repeated probe) |
32 | PROBE_MIN = 1 ; second (minimum delay till repeated probe) |
33 | PROBE_MAX = 2 ; seconds (maximum delay till repeated probe) |
33 | PROBE_MAX = 2 ; seconds (maximum delay till repeated probe) |
34 | PROBE_NUM = 3 ; (number of probe packets) |
34 | PROBE_NUM = 3 ; (number of probe packets) |
35 | 35 | ||
36 | ANNOUNCE_NUM = 2 ; (number of announcement packets) |
36 | ANNOUNCE_NUM = 2 ; (number of announcement packets) |
37 | ANNOUNCE_INTERVAL = 2 ; seconds (time between announcement packets) |
37 | ANNOUNCE_INTERVAL = 2 ; seconds (time between announcement packets) |
38 | ANNOUNCE_WAIT = 2 ; seconds (delay before announcing) |
38 | ANNOUNCE_WAIT = 2 ; seconds (delay before announcing) |
39 | 39 | ||
40 | MAX_CONFLICTS = 10 ; (max conflicts before rate limiting) |
40 | MAX_CONFLICTS = 10 ; (max conflicts before rate limiting) |
41 | 41 | ||
42 | RATE_LIMIT_INTERVAL = 60 ; seconds (delay between successive attempts) |
42 | RATE_LIMIT_INTERVAL = 60 ; seconds (delay between successive attempts) |
43 | 43 | ||
44 | DEFEND_INTERVAL = 10 ; seconds (min. wait between defensive ARPs) |
44 | DEFEND_INTERVAL = 10 ; seconds (min. wait between defensive ARPs) |
45 | 45 | ||
46 | use32 |
46 | use32 |
47 | org 0x0 |
47 | org 0x0 |
48 | 48 | ||
49 | db 'MENUET01' ; 8 byte id |
49 | db 'MENUET01' ; 8 byte id |
50 | dd 0x01 ; header version |
50 | dd 0x01 ; header version |
51 | dd START ; start of code |
51 | dd START ; start of code |
52 | dd IM_END ; size of image |
52 | dd IM_END ; size of image |
53 | dd (I_END+0x100) ; memory for app |
53 | dd (I_END+0x100) ; memory for app |
54 | dd (I_END+0x100) ; esp |
54 | dd (I_END+0x100) ; esp |
55 | dd 0, 0 ; I_Param, I_Path |
55 | dd 0, 0 ; I_Param, I_Path |
56 | 56 | ||
57 | 57 | ||
58 | include '../../proc32.inc' |
58 | include '../../proc32.inc' |
59 | include '../../macros.inc' |
59 | include '../../macros.inc' |
60 | include '../../debug-fdo.inc' |
60 | include '../../debug-fdo.inc' |
61 | include '../../network.inc' |
61 | include '../../network.inc' |
62 | include 'dhcp.inc' |
62 | include 'dhcp.inc' |
63 | include '../../dll.inc' |
63 | include '../../dll.inc' |
64 | 64 | ||
65 | 65 | ||
66 | Ip2dword: |
66 | Ip2dword: |
67 | push edx |
67 | push edx |
68 | 68 | ||
69 | ; This code validates if the query is an IP containing 4 numbers and 3 dots |
69 | ; This code validates if the query is an IP containing 4 numbers and 3 dots |
70 | 70 | ||
71 | xor al, al ; make al (dot count) zero |
71 | xor al, al ; make al (dot count) zero |
72 | 72 | ||
73 | @@: |
73 | @@: |
74 | cmp byte[edx],'0' ; check if this byte is a number, if not jump to no_IP |
74 | cmp byte[edx],'0' ; check if this byte is a number, if not jump to no_IP |
75 | jl no_IP ; |
75 | jl no_IP ; |
76 | cmp byte[edx],'9' ; |
76 | cmp byte[edx],'9' ; |
77 | jg no_IP ; |
77 | jg no_IP ; |
78 | 78 | ||
79 | inc edx ; the byte was a number, so lets check the next byte |
79 | inc edx ; the byte was a number, so lets check the next byte |
80 | 80 | ||
81 | cmp byte[edx],0 ; is this byte zero? (have we reached end of query?) |
81 | cmp byte[edx],0 ; is this byte zero? (have we reached end of query?) |
82 | jz @f ; jump to next @@ then |
82 | jz @f ; jump to next @@ then |
83 | cmp byte[edx],':' |
83 | cmp byte[edx],':' |
84 | jz @f |
84 | jz @f |
85 | 85 | ||
86 | cmp byte[edx],'.' ; is this byte a dot? |
86 | cmp byte[edx],'.' ; is this byte a dot? |
87 | jne @r ; if not, jump to previous @@ |
87 | jne @r ; if not, jump to previous @@ |
88 | 88 | ||
89 | inc al ; the byte was a dot so increment al(dot count) |
89 | inc al ; the byte was a dot so increment al(dot count) |
90 | inc edx ; next byte |
90 | inc edx ; next byte |
91 | jmp @r ; lets check for numbers again (jump to previous @@) |
91 | jmp @r ; lets check for numbers again (jump to previous @@) |
92 | 92 | ||
93 | @@: ; we reach this when end of query reached |
93 | @@: ; we reach this when end of query reached |
94 | cmp al,3 ; check if there where 3 dots |
94 | cmp al,3 ; check if there where 3 dots |
95 | jnz no_IP ; if not, jump to no_IP |
95 | jnz no_IP ; if not, jump to no_IP |
96 | 96 | ||
97 | ; The following code will convert this IP into a dword and output it in eax |
97 | ; The following code will convert this IP into a dword and output it in eax |
98 | ; If there is also a port number specified, this will be returned in ebx, otherwise ebx is -1 |
98 | ; If there is also a port number specified, this will be returned in ebx, otherwise ebx is -1 |
99 | 99 | ||
100 | pop esi ; edx (query address) was pushed onto stack and is now popped in esi |
100 | pop esi ; edx (query address) was pushed onto stack and is now popped in esi |
101 | 101 | ||
102 | xor edx, edx ; result |
102 | xor edx, edx ; result |
103 | xor eax, eax ; current character |
103 | xor eax, eax ; current character |
104 | xor ebx, ebx ; current byte |
104 | xor ebx, ebx ; current byte |
105 | 105 | ||
106 | .outer_loop: |
106 | .outer_loop: |
107 | shl edx, 8 |
107 | shl edx, 8 |
108 | add edx, ebx |
108 | add edx, ebx |
109 | xor ebx, ebx |
109 | xor ebx, ebx |
110 | .inner_loop: |
110 | .inner_loop: |
111 | lodsb |
111 | lodsb |
112 | test eax, eax |
112 | test eax, eax |
113 | jz .finish |
113 | jz .finish |
114 | cmp al, '.' |
114 | cmp al, '.' |
115 | jz .outer_loop |
115 | jz .outer_loop |
116 | sub eax, '0' |
116 | sub eax, '0' |
117 | imul ebx, 10 |
117 | imul ebx, 10 |
118 | add ebx, eax |
118 | add ebx, eax |
119 | jmp .inner_loop |
119 | jmp .inner_loop |
120 | .finish: |
120 | .finish: |
121 | shl edx, 8 |
121 | shl edx, 8 |
122 | add edx, ebx |
122 | add edx, ebx |
123 | 123 | ||
124 | bswap edx ; we want little endian order |
124 | bswap edx ; we want little endian order |
125 | 125 | ||
126 | ret |
126 | ret |
127 | 127 | ||
128 | no_IP: |
128 | no_IP: |
129 | pop edx |
129 | pop edx |
130 | xor edx, edx |
130 | xor edx, edx |
131 | 131 | ||
132 | ret |
132 | ret |
133 | 133 | ||
134 | 134 | ||
135 | 135 | ||
136 | 136 | ||
137 | 137 | ||
138 | 138 | ||
139 | START: |
139 | START: |
140 | mcall 40, EVM_STACK2 |
140 | mcall 40, EVM_STACK2 |
141 | 141 | ||
142 | DEBUGF 1,">Zero-config service loaded\n" |
142 | DEBUGF 1,">Zero-config service loaded\n" |
143 | 143 | ||
144 | .wait: |
144 | .wait: |
145 | mov ebx, API_ETH + 0 |
145 | mov ebx, API_ETH + 0 |
146 | mov bh, [device] |
146 | mov bh, [device] |
147 | mcall 76 ; get MAC of ethernet interface 1 |
147 | mcall 76 ; get MAC of ethernet interface 1 |
148 | cmp eax, -1 |
148 | cmp eax, -1 |
149 | jne .start |
149 | jne .start |
150 | 150 | ||
151 | mcall 10 |
151 | mcall 10 |
152 | jmp .wait |
152 | jmp .wait |
153 | 153 | ||
154 | .start: |
154 | .start: |
155 | mov word[MAC], bx |
155 | mov word[MAC], bx |
156 | mov dword[MAC+2], eax |
156 | mov dword[MAC+2], eax |
157 | 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 |
157 | 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 |
158 | 158 | ||
159 | mcall 40, EVM_STACK |
159 | mcall 40, EVM_STACK |
160 | 160 | ||
161 | mcall 68, 11 |
161 | mcall 68, 11 |
162 | 162 | ||
163 | stdcall dll.Load,@IMPORT |
163 | stdcall dll.Load,@IMPORT |
164 | or eax, eax |
164 | or eax, eax |
165 | jnz try_dhcp |
165 | jnz try_dhcp |
166 | 166 | ||
167 | invoke ini.get_str, path, str_ipconfig, str_type, inibuf, 16, 0 |
167 | invoke ini.get_str, path, str_ipconfig, str_type, inibuf, 16, 0 |
168 | 168 | ||
169 | cmp dword[inibuf], 'stat' |
169 | cmp dword[inibuf], 'stat' |
170 | jne try_dhcp |
170 | jne try_dhcp |
171 | 171 | ||
172 | invoke ini.get_str, path, str_ipconfig, str_ip, inibuf, 16, 0 |
172 | invoke ini.get_str, path, str_ipconfig, str_ip, inibuf, 16, 0 |
173 | mov edx, inibuf |
173 | mov edx, inibuf |
174 | call Ip2dword |
174 | call Ip2dword |
175 | mov ecx, edx |
175 | mov ecx, edx |
176 | mov ebx, API_IPv4 + 3 ; set IP |
176 | mov ebx, API_IPv4 + 3 ; set IP |
177 | mov bh, [device] |
177 | mov bh, [device] |
178 | mcall 76 |
178 | mcall 76 |
179 | 179 | ||
180 | invoke ini.get_str, path, str_ipconfig, str_gateway, inibuf, 16, 0 |
180 | invoke ini.get_str, path, str_ipconfig, str_gateway, inibuf, 16, 0 |
181 | mov edx, inibuf |
181 | mov edx, inibuf |
182 | call Ip2dword |
182 | call Ip2dword |
183 | mov ecx, edx |
183 | mov ecx, edx |
184 | mov ebx, API_IPv4 + 9 ; set gateway |
184 | mov ebx, API_IPv4 + 9 ; set gateway |
185 | mov bh, [device] |
185 | mov bh, [device] |
186 | mcall 76 |
186 | mcall 76 |
187 | 187 | ||
188 | invoke ini.get_str, path, str_ipconfig, str_dns, inibuf, 16, 0 |
188 | invoke ini.get_str, path, str_ipconfig, str_dns, inibuf, 16, 0 |
189 | mov edx, inibuf |
189 | mov edx, inibuf |
190 | call Ip2dword |
190 | call Ip2dword |
191 | mov ecx, edx |
191 | mov ecx, edx |
192 | mov ebx, API_IPv4 + 5 ; set DNS |
192 | mov ebx, API_IPv4 + 5 ; set DNS |
193 | mov bh, [device] |
193 | mov bh, [device] |
194 | mcall 76 |
194 | mcall 76 |
195 | 195 | ||
196 | invoke ini.get_str, path, str_ipconfig, str_subnet, inibuf, 16, 0 |
196 | invoke ini.get_str, path, str_ipconfig, str_subnet, inibuf, 16, 0 |
197 | mov edx, inibuf |
197 | mov edx, inibuf |
198 | call Ip2dword |
198 | call Ip2dword |
199 | mov ecx, edx |
199 | mov ecx, edx |
200 | mov ebx, API_IPv4 + 7 ; set subnet |
200 | mov ebx, API_IPv4 + 7 ; set subnet |
201 | mov bh, [device] |
201 | mov bh, [device] |
202 | mcall 76 |
202 | mcall 76 |
203 | 203 | ||
204 | 204 | ||
205 | mcall -1 |
205 | mcall -1 |
206 | 206 | ||
207 | 207 | ||
208 | try_dhcp: |
208 | try_dhcp: |
209 | 209 | ||
210 | DEBUGF 1,"->Trying DHCP\n" |
210 | DEBUGF 1,"->Trying DHCP\n" |
211 | 211 | ||
212 | mcall 75, 0, AF_INET4, SOCK_DGRAM, 0 ; open socket (parameters: domain, type, reserved) |
212 | mcall 75, 0, AF_INET4, SOCK_DGRAM, 0 ; open socket (parameters: domain, type, reserved) |
213 | cmp eax, -1 |
213 | cmp eax, -1 |
214 | je error |
214 | je error |
215 | mov [socketNum], eax |
215 | mov [socketNum], eax |
216 | 216 | ||
217 | DEBUGF 1,"->Socket %x opened\n", eax |
217 | DEBUGF 1,"->Socket %x opened\n", eax |
218 | 218 | ||
219 | mcall 75, 2, [socketNum], sockaddr1, 18 ; bind socket to local port 68 |
219 | mcall 75, 2, [socketNum], sockaddr1, 18 ; bind socket to local port 68 |
220 | cmp eax, -1 |
220 | cmp eax, -1 |
221 | je error |
221 | je error |
222 | 222 | ||
223 | DEBUGF 1,"->Socket Bound to local port 68\n" |
223 | DEBUGF 1,"->Socket Bound to local port 68\n" |
224 | 224 | ||
225 | mcall 75, 4, [socketNum], sockaddr2, 18 ; connect to 255.255.255.255 on port 67 |
225 | mcall 75, 4, [socketNum], sockaddr2, 18 ; connect to 255.255.255.255 on port 67 |
226 | cmp eax, -1 |
226 | cmp eax, -1 |
227 | je error |
227 | je error |
228 | 228 | ||
229 | DEBUGF 1,"->Connected to 255.255.255.255 on port 67\n" |
229 | DEBUGF 1,"->Connected to 255.255.255.255 on port 67\n" |
230 | 230 | ||
231 | mov [dhcpMsgType], 0x01 ; DHCP discover |
231 | mov [dhcpMsgType], 0x01 ; DHCP discover |
232 | mov [dhcpLease], esi ; esi is still -1 (-1 = forever) |
232 | mov [dhcpLease], esi ; esi is still -1 (-1 = forever) |
233 | 233 | ||
234 | mcall 26, 9 ; Get system time |
234 | mcall 26, 9 ; Get system time |
235 | imul eax, 100 |
235 | imul eax, 100 |
236 | mov [currTime], eax |
236 | mov [currTime], eax |
237 | 237 | ||
238 | build_request: ; Creates a DHCP request packet. |
238 | build_request: ; Creates a DHCP request packet. |
239 | 239 | ||
240 | mov [tries], DHCP_TRIES |
240 | mov [tries], DHCP_TRIES |
241 | 241 | ||
242 | DEBUGF 1,"->Building request\n" |
242 | DEBUGF 1,"->Building request\n" |
243 | 243 | ||
244 | stdcall mem.Alloc, BUFFER |
244 | stdcall mem.Alloc, BUFFER |
245 | mov [dhcpMsg], eax |
245 | mov [dhcpMsg], eax |
246 | test eax, eax |
246 | test eax, eax |
247 | jz dhcp_error |
247 | jz dhcp_error |
248 | 248 | ||
249 | ;;; todo: skip this bullcrap |
249 | ;;; todo: skip this bullcrap |
250 | 250 | ||
251 | mov edi, eax |
251 | mov edi, eax |
252 | mov ecx, BUFFER |
252 | mov ecx, BUFFER |
253 | xor eax, eax |
253 | xor eax, eax |
254 | rep stosb |
254 | rep stosb |
255 | 255 | ||
256 | ;; todo: put this in a buffer instead of writing bytes and words! |
256 | ;; todo: put this in a buffer instead of writing bytes and words! |
257 | 257 | ||
258 | mov edx, [dhcpMsg] |
258 | mov edx, [dhcpMsg] |
259 | 259 | ||
260 | ; Boot protocol legacy |
260 | ; Boot protocol legacy |
261 | mov [edx], byte 0x01 ; Boot request |
261 | mov [edx], byte 0x01 ; Boot request |
262 | mov [edx+1], byte 0x01 ; Ethernet |
262 | mov [edx+1], byte 0x01 ; Ethernet |
263 | mov [edx+2], byte 0x06 ; Ethernet h/w len |
263 | mov [edx+2], byte 0x06 ; Ethernet h/w len |
264 | mov [edx+4], dword 0x11223344 ; xid ;;;;;;; |
264 | mov [edx+4], dword 0x11223344 ; xid ;;;;;;; |
265 | mov eax, [currTime] |
265 | mov eax, [currTime] |
266 | mov [edx+8], eax ; secs, our uptime |
266 | mov [edx+8], eax ; secs, our uptime |
267 | mov [edx+10], byte 0x80 ; broadcast flag set |
267 | mov [edx+10], byte 0x80 ; broadcast flag set |
268 | mov eax, dword [MAC] ; first 4 bytes of MAC |
268 | mov eax, dword [MAC] ; first 4 bytes of MAC |
269 | mov [edx+28],dword eax |
269 | mov [edx+28],dword eax |
270 | mov ax, word [MAC+4] ; last 2 bytes of MAC |
270 | mov ax, word [MAC+4] ; last 2 bytes of MAC |
271 | mov [edx+32],word ax |
271 | mov [edx+32],word ax |
272 | 272 | ||
273 | ; DHCP extension |
273 | ; DHCP extension |
274 | mov [edx+236], dword 0x63538263 ; magic cookie |
274 | mov [edx+236], dword 0x63538263 ; magic cookie |
275 | mov [edx+240], word 0x0135 ; option DHCP msg type |
275 | mov [edx+240], word 0x0135 ; option DHCP msg type |
276 | mov al, [dhcpMsgType] |
276 | mov al, [dhcpMsgType] |
277 | mov [edx+240+2], al |
277 | mov [edx+240+2], al |
278 | mov [edx+240+3], word 0x0433 ; option Lease time = infinity |
278 | mov [edx+240+3], word 0x0433 ; option Lease time = infinity |
279 | mov eax, [dhcpLease] |
279 | mov eax, [dhcpLease] |
280 | mov [edx+240+5], eax |
280 | mov [edx+240+5], eax |
281 | mov [edx+240+9], word 0x0432 ; option requested IP address |
281 | mov [edx+240+9], word 0x0432 ; option requested IP address |
282 | mov eax, [dhcp.ip] |
282 | mov eax, [dhcp.ip] |
283 | mov [edx+240+11], eax |
283 | mov [edx+240+11], eax |
284 | mov [edx+240+15], word 0x0437 ; option request list |
284 | mov [edx+240+15], word 0x0437 ; option request list |
285 | mov [edx+240+17], dword 0x0f060301 |
285 | mov [edx+240+17], dword 0x0f060301 |
286 | 286 | ||
287 | cmp [dhcpMsgType], 0x01 ; Check which msg we are sending |
287 | cmp [dhcpMsgType], 0x01 ; Check which msg we are sending |
288 | jne request_options |
288 | jne request_options |
289 | 289 | ||
290 | mov [edx+240+21], byte 0xff ; end of options marker |
290 | mov [edx+240+21], byte 0xff ; end of options marker |
291 | 291 | ||
292 | mov [dhcpMsgLen], 262 ; length |
292 | mov [dhcpMsgLen], 262 ; length |
293 | jmp send_dhcpmsg |
293 | jmp send_dhcpmsg |
294 | 294 | ||
295 | request_options: |
295 | request_options: |
296 | mov [edx+240+21], word 0x0436 ; server IP |
296 | mov [edx+240+21], word 0x0436 ; server IP |
297 | mov eax, [dhcpServerIP] |
297 | mov eax, [dhcpServerIP] |
298 | mov [edx+240+23], eax |
298 | mov [edx+240+23], eax |
299 | 299 | ||
300 | mov [edx+240+27], byte 0xff ; end of options marker |
300 | mov [edx+240+27], byte 0xff ; end of options marker |
301 | 301 | ||
302 | mov [dhcpMsgLen], 268 ; length |
302 | mov [dhcpMsgLen], 268 ; length |
303 | 303 | ||
304 | send_dhcpmsg: |
304 | send_dhcpmsg: |
305 | DEBUGF 1,"Sending DHCP discover/request\n" |
305 | DEBUGF 1,"Sending DHCP discover/request\n" |
306 | mcall 75, 6, [socketNum], [dhcpMsg], [dhcpMsgLen] ; write to socket ( send broadcast request ) |
306 | mcall 75, 6, [socketNum], [dhcpMsg], [dhcpMsgLen] ; write to socket ( send broadcast request ) |
307 | .wait: |
307 | .wait: |
308 | mcall 23, TIMEOUT*100 ; wait for data |
308 | mcall 23, TIMEOUT*100 ; wait for data |
309 | 309 | ||
310 | read_data: ; we have data - this will be the response |
310 | read_data: ; we have data - this will be the response |
311 | mcall 75, 7, [socketNum], [dhcpMsg], BUFFER, MSG_DONTWAIT ; read data from socket |
311 | mcall 75, 7, [socketNum], [dhcpMsg], BUFFER, MSG_DONTWAIT ; read data from socket |
312 | cmp eax, -1 |
312 | cmp eax, -1 |
313 | jne @f |
313 | jne @f |
314 | cmp ebx, 6 ; EWOULDBLOCK |
314 | cmp ebx, 6 ; EWOULDBLOCK |
315 | je send_dhcpmsg.wait |
315 | je send_dhcpmsg.wait |
316 | DEBUGF 1,"No answer from DHCP server\n" |
316 | DEBUGF 1,"No answer from DHCP server\n" |
317 | dec [tries] |
317 | dec [tries] |
318 | jnz send_dhcpmsg ; try again |
318 | jnz send_dhcpmsg ; try again |
319 | jmp dhcp_error ; fail |
319 | jmp dhcp_error ; fail |
320 | 320 | ||
321 | @@: |
321 | @@: |
322 | DEBUGF 1,"->%d bytes received\n", eax |
322 | DEBUGF 1,"->%d bytes received\n", eax |
323 | mov [dhcpMsgLen], eax |
323 | mov [dhcpMsgLen], eax |
324 | 324 | ||
325 | ; depending on which msg we sent, handle the response |
325 | ; depending on which msg we sent, handle the response |
326 | ; accordingly. |
326 | ; accordingly. |
327 | ; If the response is to a dhcp discover, then: |
327 | ; If the response is to a dhcp discover, then: |
328 | ; 1) If response is DHCP OFFER then |
328 | ; 1) If response is DHCP OFFER then |
329 | ; 1.1) record server IP, lease time & IP address. |
329 | ; 1.1) record server IP, lease time & IP address. |
330 | ; 1.2) send a request packet |
330 | ; 1.2) send a request packet |
331 | ; If the response is to a dhcp request, then: |
331 | ; If the response is to a dhcp request, then: |
332 | ; 1) If the response is DHCP ACK then |
332 | ; 1) If the response is DHCP ACK then |
333 | ; 1.1) extract the DNS & subnet fields. Set them in the stack |
333 | ; 1.1) extract the DNS & subnet fields. Set them in the stack |
334 | 334 | ||
335 | cmp [dhcpMsgType], 0x01 ; did we send a discover? |
335 | cmp [dhcpMsgType], 0x01 ; did we send a discover? |
336 | je discover |
336 | je discover |
337 | 337 | ||
338 | cmp [dhcpMsgType], 0x03 ; did we send a request? |
338 | cmp [dhcpMsgType], 0x03 ; did we send a request? |
339 | je request |
339 | je request |
340 | 340 | ||
341 | call dhcp_end ; we should never reach here ;) |
341 | call dhcp_end ; we should never reach here ;) |
342 | jmp exit |
342 | jmp exit |
343 | 343 | ||
344 | discover: |
344 | discover: |
345 | call parse_response |
345 | call parse_response |
346 | 346 | ||
347 | cmp [dhcpMsgType2], 0x02 ; Was the response an offer? |
347 | cmp [dhcpMsgType2], 0x02 ; Was the response an offer? |
348 | je send_request |
348 | je send_request |
349 | 349 | ||
350 | call dhcp_end |
350 | call dhcp_end |
351 | jmp link_local |
351 | jmp link_local |
352 | 352 | ||
353 | send_request: |
353 | send_request: |
354 | DEBUGF 1, "Got offer, making request\n" |
354 | DEBUGF 1, "Got offer, making request\n" |
355 | mov [dhcpMsgType], 0x03 ; make it a request |
355 | mov [dhcpMsgType], 0x03 ; make it a request |
356 | jmp build_request |
356 | jmp build_request |
357 | 357 | ||
358 | request: |
358 | request: |
359 | call parse_response |
359 | call parse_response |
360 | 360 | ||
361 | cmp [dhcpMsgType2], 0x05 ; Was the response an ACK? It should be |
361 | cmp [dhcpMsgType2], 0x05 ; Was the response an ACK? It should be |
362 | jne read_data ; NO - read next packets |
362 | jne read_data ; NO - read next packets |
363 | 363 | ||
364 | DEBUGF 2, "Setting IP using DHCP\n" |
364 | DEBUGF 2, "Setting IP using DHCP\n" |
- | 365 | ||
- | 366 | mov [notify_struct.msg], str_connected |
|
365 | 367 | mcall 70, notify_struct |
|
366 | call dhcp_end |
368 | call dhcp_end |
367 | 369 | ||
368 | mov ebx, API_IPv4 + 3 |
370 | mov ebx, API_IPv4 + 3 |
369 | mov bh, [device] |
371 | mov bh, [device] |
370 | mcall 76, , [dhcp.ip] ; ip |
372 | mcall 76, , [dhcp.ip] ; ip |
371 | mov bl, 5 |
373 | mov bl, 5 |
372 | mcall 76, , [dhcp.dns] ; dns |
374 | mcall 76, , [dhcp.dns] ; dns |
373 | mov bl, 7 |
375 | mov bl, 7 |
374 | mcall 76, , [dhcp.subnet] ; subnet |
376 | mcall 76, , [dhcp.subnet] ; subnet |
375 | mov bl, 9 |
377 | mov bl, 9 |
376 | mcall 76, , [dhcp.gateway] ; gateway |
378 | mcall 76, , [dhcp.gateway] ; gateway |
377 | 379 | ||
378 | jmp exit |
380 | jmp exit |
379 | 381 | ||
380 | dhcp_end: |
382 | dhcp_end: |
381 | mcall close, [socketNum] |
383 | mcall close, [socketNum] |
382 | stdcall mem.Free, [dhcpMsg] |
384 | stdcall mem.Free, [dhcpMsg] |
383 | 385 | ||
384 | ret |
386 | ret |
385 | 387 | ||
386 | ;*************************************************************************** |
388 | ;*************************************************************************** |
387 | ; Function |
389 | ; Function |
388 | ; parseResponse |
390 | ; parseResponse |
389 | ; |
391 | ; |
390 | ; Description |
392 | ; Description |
391 | ; extracts the fields ( client IP address and options ) from |
393 | ; extracts the fields ( client IP address and options ) from |
392 | ; a DHCP response |
394 | ; a DHCP response |
393 | ; The values go into |
395 | ; The values go into |
394 | ; dhcpMsgType,dhcpLease,dhcpClientIP,dhcpServerIP, |
396 | ; dhcpMsgType,dhcpLease,dhcpClientIP,dhcpServerIP, |
395 | ; dhcpDNSIP, dhcpSubnet |
397 | ; dhcpDNSIP, dhcpSubnet |
396 | ; The message is stored in dhcpMsg |
398 | ; The message is stored in dhcpMsg |
397 | ; |
399 | ; |
398 | ;*************************************************************************** |
400 | ;*************************************************************************** |
399 | parse_response: |
401 | parse_response: |
400 | 402 | ||
401 | DEBUGF 1,"Data received, parsing response\n" |
403 | DEBUGF 1,"Data received, parsing response\n" |
402 | mov edx, [dhcpMsg] |
404 | mov edx, [dhcpMsg] |
403 | mov [dhcpMsgType2], 0 |
405 | mov [dhcpMsgType2], 0 |
404 | 406 | ||
405 | push dword [edx+16] |
407 | push dword [edx+16] |
406 | pop [dhcp.ip] |
408 | pop [dhcp.ip] |
407 | DEBUGF 1,"Client: %u.%u.%u.%u\n", [edx+16]:1, [edx+17]:1, [edx+18]:1, [edx+19]:1 |
409 | DEBUGF 1,"Client: %u.%u.%u.%u\n", [edx+16]:1, [edx+17]:1, [edx+18]:1, [edx+19]:1 |
408 | 410 | ||
409 | ; TODO: check if there really are options |
411 | ; TODO: check if there really are options |
410 | 412 | ||
411 | mov al, 240 ; Point to first option |
413 | mov al, 240 ; Point to first option |
412 | movzx ecx, al |
414 | movzx ecx, al |
413 | 415 | ||
414 | .next_option: |
416 | .next_option: |
415 | add edx, ecx |
417 | add edx, ecx |
416 | 418 | ||
417 | mov al, [edx] ; get message identifier |
419 | mov al, [edx] ; get message identifier |
418 | 420 | ||
419 | cmp al, 0xff ; End of options? |
421 | cmp al, 0xff ; End of options? |
420 | je .done |
422 | je .done |
421 | 423 | ||
422 | cmp al, 0 |
424 | cmp al, 0 |
423 | je .pad |
425 | je .pad |
424 | 426 | ||
425 | ; TODO: check if we still are inside the buffer |
427 | ; TODO: check if we still are inside the buffer |
426 | 428 | ||
427 | inc edx |
429 | inc edx |
428 | movzx ecx, byte [edx] ; get data length |
430 | movzx ecx, byte [edx] ; get data length |
429 | inc edx ; point to data |
431 | inc edx ; point to data |
430 | 432 | ||
431 | cmp al, dhcp_msg_type ; Msg type is a single byte option |
433 | cmp al, dhcp_msg_type ; Msg type is a single byte option |
432 | je .msgtype |
434 | je .msgtype |
433 | 435 | ||
434 | cmp al, dhcp_dhcp_server_id |
436 | cmp al, dhcp_dhcp_server_id |
435 | je .server |
437 | je .server |
436 | 438 | ||
437 | cmp al, dhcp_address_time |
439 | cmp al, dhcp_address_time |
438 | je .lease |
440 | je .lease |
439 | 441 | ||
440 | cmp al, dhcp_subnet_mask |
442 | cmp al, dhcp_subnet_mask |
441 | je .subnet |
443 | je .subnet |
442 | 444 | ||
443 | cmp al, dhcp_router |
445 | cmp al, dhcp_router |
444 | je .router |
446 | je .router |
445 | 447 | ||
446 | cmp al, dhcp_domain_server |
448 | cmp al, dhcp_domain_server |
447 | je .dns |
449 | je .dns |
448 | 450 | ||
449 | DEBUGF 1,"Unsupported DHCP option: %u\n", al |
451 | DEBUGF 1,"Unsupported DHCP option: %u\n", al |
450 | 452 | ||
451 | jmp .next_option |
453 | jmp .next_option |
452 | 454 | ||
453 | .pad: |
455 | .pad: |
454 | xor ecx, ecx |
456 | xor ecx, ecx |
455 | inc ecx |
457 | inc ecx |
456 | jmp .next_option |
458 | jmp .next_option |
457 | 459 | ||
458 | .msgtype: |
460 | .msgtype: |
459 | mov al, [edx] |
461 | mov al, [edx] |
460 | mov [dhcpMsgType2], al |
462 | mov [dhcpMsgType2], al |
461 | 463 | ||
462 | DEBUGF 1,"DHCP Msg type: %u\n", al |
464 | DEBUGF 1,"DHCP Msg type: %u\n", al |
463 | jmp .next_option ; Get next option |
465 | jmp .next_option ; Get next option |
464 | 466 | ||
465 | .server: |
467 | .server: |
466 | mov eax, [edx] |
468 | mov eax, [edx] |
467 | mov [dhcpServerIP], eax |
469 | mov [dhcpServerIP], eax |
468 | DEBUGF 1,"Server: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
470 | DEBUGF 1,"Server: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
469 | jmp .next_option |
471 | jmp .next_option |
470 | 472 | ||
471 | .lease: |
473 | .lease: |
472 | pusha |
474 | pusha |
473 | mov eax,[edx] |
475 | mov eax,[edx] |
474 | bswap eax |
476 | bswap eax |
475 | mov [dhcpLease],eax |
477 | mov [dhcpLease],eax |
476 | DEBUGF 1,"lease: %d\n",eax |
478 | DEBUGF 1,"lease: %d\n",eax |
477 | popa |
479 | popa |
478 | jmp .next_option |
480 | jmp .next_option |
479 | 481 | ||
480 | .subnet: |
482 | .subnet: |
481 | push dword [edx] |
483 | push dword [edx] |
482 | pop [dhcp.subnet] |
484 | pop [dhcp.subnet] |
483 | DEBUGF 1,"Subnet: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
485 | DEBUGF 1,"Subnet: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
484 | jmp .next_option |
486 | jmp .next_option |
485 | 487 | ||
486 | .router: |
488 | .router: |
487 | push dword [edx] |
489 | push dword [edx] |
488 | pop [dhcp.gateway] |
490 | pop [dhcp.gateway] |
489 | DEBUGF 1,"Gateway: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
491 | DEBUGF 1,"Gateway: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
490 | jmp .next_option |
492 | jmp .next_option |
491 | 493 | ||
492 | .dns: |
494 | .dns: |
493 | push dword [edx] |
495 | push dword [edx] |
494 | pop [dhcp.dns] |
496 | pop [dhcp.dns] |
495 | DEBUGF 1,"DNS: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
497 | DEBUGF 1,"DNS: %u.%u.%u.%u\n",[edx]:1,[edx+1]:1,[edx+2]:1,[edx+3]:1 |
496 | jmp .next_option |
498 | jmp .next_option |
497 | 499 | ||
498 | .done: |
500 | .done: |
499 | ret |
501 | ret |
500 | 502 | ||
501 | 503 | ||
502 | 504 | ||
503 | dhcp_error: |
505 | dhcp_error: |
504 | call dhcp_end |
506 | call dhcp_end |
505 | 507 | ||
506 | link_local: |
508 | link_local: |
507 | call random |
509 | call random |
508 | mov cx, ax |
510 | mov cx, ax |
509 | shl ecx, 16 |
511 | shl ecx, 16 |
510 | mov cx, 0xfea9 ; IP 169.254.0.0 link local net, see RFC3927 |
512 | mov cx, 0xfea9 ; IP 169.254.0.0 link local net, see RFC3927 |
511 | mov ebx, API_IPv4 + 3 |
513 | mov ebx, API_IPv4 + 3 |
512 | mov bh, [device] |
514 | mov bh, [device] |
513 | mcall 76, , ecx ; mask is 255.255.0.0 |
515 | mcall 76, , ecx ; mask is 255.255.0.0 |
514 | DEBUGF 2,"Link Local IP assigned: 169.254.%u.%u\n", [generator+0]:1, [generator+1]:1 |
516 | DEBUGF 2,"Link Local IP assigned: 169.254.%u.%u\n", [generator+0]:1, [generator+1]:1 |
515 | mov bl, 7 |
517 | mov bl, 7 |
516 | mcall 76, , 0xffff |
518 | mcall 76, , 0xffff |
517 | mov bl, 9 |
519 | mov bl, 9 |
518 | mcall 76, , 0x0 |
520 | mcall 76, , 0x0 |
519 | mov bl, 5 |
521 | mov bl, 5 |
520 | mcall 76, , 0x0 |
522 | mcall 76, , 0x0 |
521 | 523 | ||
522 | mcall 5, PROBE_WAIT*100 |
524 | mcall 5, PROBE_WAIT*100 |
523 | 525 | ||
524 | xor esi, esi |
526 | xor esi, esi |
525 | probe_loop: |
527 | probe_loop: |
526 | call random ; create a pseudo random number in eax (seeded by MAC) |
528 | call random ; create a pseudo random number in eax (seeded by MAC) |
527 | 529 | ||
528 | cmp al, PROBE_MIN*100 ; check if al is bigger then PROBE_MIN |
530 | cmp al, PROBE_MIN*100 ; check if al is bigger then PROBE_MIN |
529 | jae @f ; all ok |
531 | jae @f ; all ok |
530 | add al, (PROBE_MAX-PROBE_MIN)*100 ; al is too small |
532 | add al, (PROBE_MAX-PROBE_MIN)*100 ; al is too small |
531 | @@: |
533 | @@: |
532 | 534 | ||
533 | cmp al, PROBE_MAX*100 |
535 | cmp al, PROBE_MAX*100 |
534 | jbe @f |
536 | jbe @f |
535 | sub al, (PROBE_MAX-PROBE_MIN)*100 |
537 | sub al, (PROBE_MAX-PROBE_MIN)*100 |
536 | @@: |
538 | @@: |
537 | 539 | ||
538 | movzx ebx,al |
540 | movzx ebx,al |
539 | DEBUGF 1,"Waiting %u0ms\n",ebx |
541 | DEBUGF 1,"Waiting %u0ms\n",ebx |
540 | mcall 5 |
542 | mcall 5 |
541 | 543 | ||
542 | DEBUGF 1,"Sending Probe\n" |
544 | DEBUGF 1,"Sending Probe\n" |
543 | mov ebx, API_ARP + 6 |
545 | mov ebx, API_ARP + 6 |
544 | mov bh, [device] |
546 | mov bh, [device] |
545 | mcall 76 |
547 | mcall 76 |
546 | inc esi |
548 | inc esi |
547 | 549 | ||
548 | cmp esi, PROBE_NUM |
550 | cmp esi, PROBE_NUM |
549 | jb probe_loop |
551 | jb probe_loop |
550 | 552 | ||
551 | ; now we wait further ANNOUNCE_WAIT seconds and send ANNOUNCE_NUM ARP announces. If any other host has assingned |
553 | ; now we wait further ANNOUNCE_WAIT seconds and send ANNOUNCE_NUM ARP announces. If any other host has assingned |
552 | ; IP within this time, we should create another adress, that have to be done later |
554 | ; IP within this time, we should create another adress, that have to be done later |
553 | 555 | ||
554 | DEBUGF 1,"Waiting %us\n", ANNOUNCE_WAIT |
556 | DEBUGF 1,"Waiting %us\n", ANNOUNCE_WAIT |
555 | mcall 5, ANNOUNCE_WAIT*100 |
557 | mcall 5, ANNOUNCE_WAIT*100 |
556 | xor esi, esi |
558 | xor esi, esi |
557 | announce_loop: |
559 | announce_loop: |
558 | 560 | ||
559 | DEBUGF 1,"Sending Announce\n" |
561 | DEBUGF 1,"Sending Announce\n" |
560 | mov ebx, API_ARP + 6 |
562 | mov ebx, API_ARP + 6 |
561 | mov bh, [device] |
563 | mov bh, [device] |
562 | mcall 76 |
564 | mcall 76 |
563 | 565 | ||
564 | inc esi |
566 | inc esi |
565 | cmp esi,ANNOUNCE_NUM |
567 | cmp esi,ANNOUNCE_NUM |
566 | je @f |
568 | je @f |
567 | 569 | ||
568 | DEBUGF 1,"Waiting %us\n", ANNOUNCE_INTERVAL |
570 | DEBUGF 1,"Waiting %us\n", ANNOUNCE_INTERVAL |
569 | mcall 5, ANNOUNCE_INTERVAL*100 |
571 | mcall 5, ANNOUNCE_INTERVAL*100 |
570 | jmp announce_loop |
572 | jmp announce_loop |
571 | @@: |
573 | @@: |
572 | 574 | ||
573 | 575 | ||
574 | error: |
576 | error: |
575 | DEBUGF 2,"Socket error\n" |
577 | DEBUGF 2,"Socket error\n" |
576 | exit: ; we should, instead of closing, detect ARP conflicts and detect if cable keeps connected ;) |
578 | exit: ; we should, instead of closing, detect ARP conflicts and detect if cable keeps connected ;) |
577 | DEBUGF 2,"Exiting\n" |
579 | DEBUGF 2,"Exiting\n" |
578 | mcall -1 |
580 | mcall -1 |
579 | 581 | ||
580 | 582 | ||
581 | random: ; Pseudo random actually |
583 | random: ; Pseudo random actually |
582 | 584 | ||
583 | mov eax, [generator] |
585 | mov eax, [generator] |
584 | add eax, -43ab45b5h |
586 | add eax, -43ab45b5h |
585 | ror eax, 1 |
587 | ror eax, 1 |
586 | bswap eax |
588 | bswap eax |
587 | xor eax, dword[MAC] |
589 | xor eax, dword[MAC] |
588 | ror eax, 1 |
590 | ror eax, 1 |
589 | xor eax, dword[MAC+2] |
591 | xor eax, dword[MAC+2] |
590 | mov [generator], eax |
592 | mov [generator], eax |
591 | 593 | ||
592 | ret |
594 | ret |
593 | 595 | ||
594 | ; DATA AREA |
596 | ; DATA AREA |
595 | 597 | ||
596 | align 16 |
598 | align 16 |
597 | @IMPORT: |
599 | @IMPORT: |
598 | 600 | ||
599 | library \ |
601 | library \ |
600 | libini,'libini.obj' |
602 | libini,'libini.obj' |
601 | 603 | ||
602 | import libini, \ |
604 | import libini, \ |
603 | ini.get_str,'ini_get_str' |
605 | ini.get_str,'ini_get_str' |
604 | 606 | ||
605 | include_debug_strings |
607 | include_debug_strings |
606 | 608 | ||
607 | str_ip db 'ip', 0 |
609 | str_ip db 'ip', 0 |
608 | str_subnet db 'subnet', 0 |
610 | str_subnet db 'subnet', 0 |
609 | str_gateway db 'gateway', 0 |
611 | str_gateway db 'gateway', 0 |
610 | str_dns db 'dns', 0 |
612 | str_dns db 'dns', 0 |
611 | str_ipconfig db 'ipconfig', 0 |
613 | str_ipconfig db 'ipconfig', 0 |
612 | str_type db 'type', 0 |
614 | str_type db 'type', 0 |
613 | 615 | ||
614 | 616 | ||
615 | sockaddr1: |
617 | sockaddr1: |
616 | 618 | ||
617 | dw AF_INET4 |
619 | dw AF_INET4 |
618 | dw 68 shl 8 ; local port |
620 | dw 68 shl 8 ; local port |
619 | dd 0 ; local IP |
621 | dd 0 ; local IP |
620 | 622 | ||
621 | rb 10 |
623 | rb 10 |
622 | 624 | ||
623 | 625 | ||
624 | sockaddr2: |
626 | sockaddr2: |
625 | 627 | ||
626 | dw AF_INET4 |
628 | dw AF_INET4 |
627 | dw 67 shl 8 ; destination port |
629 | dw 67 shl 8 ; destination port |
628 | dd -1 ; destination IP |
630 | dd -1 ; destination IP |
629 | 631 | ||
630 | rb 10 |
632 | rb 10 |
- | 633 | ||
- | 634 | notify_struct: |
|
- | 635 | dd 7 ; run application |
|
- | 636 | dd 0 |
|
- | 637 | .msg dd 0 |
|
- | 638 | dd 0 |
|
- | 639 | dd 0 |
|
- | 640 | db '/sys/@notify', 0 |
|
- | 641 | ||
631 | 642 | str_connected db 'You are now connected to the network.', 0 |
|
632 | path db '/sys/network.ini',0 |
643 | path db '/sys/network.ini',0 |
633 | 644 | ||
634 | IM_END: |
645 | IM_END: |
635 | 646 | ||
636 | device db 1 |
647 | device db 1 |
637 | inibuf rb 16 |
648 | inibuf rb 16 |
638 | tries db ? |
649 | tries db ? |
639 | 650 | ||
640 | dhcpMsgType db ? ; sent |
651 | dhcpMsgType db ? ; sent |
641 | dhcpMsgType2 db ? ; received |
652 | dhcpMsgType2 db ? ; received |
642 | dhcpLease dd ? |
653 | dhcpLease dd ? |
643 | dhcpServerIP dd ? |
654 | dhcpServerIP dd ? |
644 | 655 | ||
645 | dhcp: |
656 | dhcp: |
646 | .ip dd ? |
657 | .ip dd ? |
647 | .subnet dd ? |
658 | .subnet dd ? |
648 | .dns dd ? |
659 | .dns dd ? |
649 | .gateway dd ? |
660 | .gateway dd ? |
650 | 661 | ||
651 | 662 | ||
652 | dhcpMsgLen dd ? |
663 | dhcpMsgLen dd ? |
653 | socketNum dd ? |
664 | socketNum dd ? |
654 | 665 | ||
655 | MAC dp ? |
666 | MAC dp ? |
656 | 667 | ||
657 | currTime dd ? |
668 | currTime dd ? |
658 | generator dd ? |
669 | generator dd ? |
659 | 670 | ||
660 | dhcpMsg dd ? |
671 | dhcpMsg dd ? |
661 | 672 | ||
662 | I_END: |
673 | I_END: |