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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2015. 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 | ;; HTTP library for KolibriOS ;; |
6 | ;; HTTP library for KolibriOS ;; |
7 | ;; ;; |
7 | ;; ;; |
8 | ;; Written by hidnplayr@kolibrios.org ;; |
8 | ;; Written by hidnplayr@kolibrios.org ;; |
9 | ;; Proxy code written by CleverMouse ;; |
9 | ;; Proxy code written by CleverMouse ;; |
10 | ;; ;; |
10 | ;; ;; |
11 | ;; GNU GENERAL PUBLIC LICENSE ;; |
11 | ;; GNU GENERAL PUBLIC LICENSE ;; |
12 | ;; Version 2, June 1991 ;; |
12 | ;; Version 2, June 1991 ;; |
13 | ;; ;; |
13 | ;; ;; |
14 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
14 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
15 | 15 | ||
16 | ; references: |
16 | ; references: |
17 | ; "HTTP made really easy", http://www.jmarshall.com/easy/http/ |
17 | ; "HTTP made really easy", http://www.jmarshall.com/easy/http/ |
18 | ; "Hypertext Transfer Protocol -- HTTP/1.1", http://tools.ietf.org/html/rfc2616 |
18 | ; "Hypertext Transfer Protocol -- HTTP/1.1", http://tools.ietf.org/html/rfc2616 |
19 | 19 | ||
20 | 20 | ||
21 | URLMAXLEN = 65535 |
21 | URLMAXLEN = 65535 |
22 | BUFFERSIZE = 8192 |
22 | BUFFERSIZE = 8192 |
23 | TIMEOUT = 500 ; in 1/100 s |
23 | TIMEOUT = 500 ; in 1/100 s |
24 | 24 | ||
25 | __DEBUG__ = 1 |
25 | __DEBUG__ = 1 |
26 | __DEBUG_LEVEL__ = 1 |
26 | __DEBUG_LEVEL__ = 2 |
27 | 27 | ||
28 | 28 | ||
29 | format MS COFF |
29 | format MS COFF |
30 | 30 | ||
31 | public @EXPORT as 'EXPORTS' |
31 | public @EXPORT as 'EXPORTS' |
32 | 32 | ||
33 | include '../../../struct.inc' |
33 | include '../../../struct.inc' |
34 | include '../../../proc32.inc' |
34 | include '../../../proc32.inc' |
35 | include '../../../macros.inc' |
35 | include '../../../macros.inc' |
36 | purge section,mov,add,sub |
36 | purge section,mov,add,sub |
37 | include '../../../debug-fdo.inc' |
37 | include '../../../debug-fdo.inc' |
38 | 38 | ||
39 | include '../../../network.inc' |
39 | include '../../../network.inc' |
40 | include 'http.inc' |
40 | include 'http.inc' |
41 | 41 | ||
42 | virtual at 0 |
42 | virtual at 0 |
43 | http_msg http_msg |
43 | http_msg http_msg |
44 | end virtual |
44 | end virtual |
45 | 45 | ||
46 | macro copy_till_zero { |
46 | macro copy_till_zero { |
47 | local .copyloop, .copydone |
47 | local .copyloop, .copydone |
48 | .copyloop: |
48 | .copyloop: |
49 | lodsb |
49 | lodsb |
50 | test al, al |
50 | test al, al |
51 | jz .copydone |
51 | jz .copydone |
52 | stosb |
52 | stosb |
53 | jmp .copyloop |
53 | jmp .copyloop |
54 | .copydone: |
54 | .copydone: |
55 | } |
55 | } |
56 | 56 | ||
57 | macro HTTP_init_buffer buffer, socketnum, flags { |
57 | macro HTTP_init_buffer buffer, socketnum, flags { |
58 | 58 | ||
59 | mov eax, buffer |
59 | mov eax, buffer |
60 | push socketnum |
60 | push socketnum |
61 | popd [eax + http_msg.socket] |
61 | popd [eax + http_msg.socket] |
62 | lea esi, [eax + http_msg.http_header] |
62 | lea esi, [eax + http_msg.http_header] |
63 | push flags |
63 | push flags |
64 | pop [eax + http_msg.flags] |
64 | pop [eax + http_msg.flags] |
65 | or [eax + http_msg.flags], FLAG_CONNECTED |
65 | or [eax + http_msg.flags], FLAG_CONNECTED |
66 | mov [eax + http_msg.write_ptr], esi |
66 | mov [eax + http_msg.write_ptr], esi |
67 | mov [eax + http_msg.buffer_length], BUFFERSIZE - http_msg.http_header |
67 | mov [eax + http_msg.buffer_length], BUFFERSIZE - http_msg.http_header |
68 | mov [eax + http_msg.chunk_ptr], 0 |
68 | mov [eax + http_msg.chunk_ptr], 0 |
69 | 69 | ||
70 | mov [eax + http_msg.status], 0 |
70 | mov [eax + http_msg.status], 0 |
71 | mov [eax + http_msg.header_length], 0 |
71 | mov [eax + http_msg.header_length], 0 |
72 | mov [eax + http_msg.content_ptr], 0 |
72 | mov [eax + http_msg.content_ptr], 0 |
73 | mov [eax + http_msg.content_length], 0 |
73 | mov [eax + http_msg.content_length], 0 |
74 | mov [eax + http_msg.content_received], 0 |
74 | mov [eax + http_msg.content_received], 0 |
75 | 75 | ||
76 | push eax ebp |
76 | push eax ebp |
77 | mov ebp, eax |
77 | mov ebp, eax |
78 | mcall 26, 9 |
78 | mcall 26, 9 |
79 | mov [ebp + http_msg.timestamp], eax |
79 | mov [ebp + http_msg.timestamp], eax |
80 | pop ebp eax |
80 | pop ebp eax |
81 | } |
81 | } |
82 | 82 | ||
83 | section '.flat' code readable align 16 |
83 | section '.flat' code readable align 16 |
84 | 84 | ||
85 | ;;===========================================================================;; |
85 | ;;===========================================================================;; |
86 | lib_init: ;//////////////////////////////////////////////////////////////////;; |
86 | lib_init: ;//////////////////////////////////////////////////////////////////;; |
87 | ;;---------------------------------------------------------------------------;; |
87 | ;;---------------------------------------------------------------------------;; |
88 | ;? Library entry point (called after library load) ;; |
88 | ;? Library entry point (called after library load) ;; |
89 | ;;---------------------------------------------------------------------------;; |
89 | ;;---------------------------------------------------------------------------;; |
90 | ;> eax = pointer to memory allocation routine ;; |
90 | ;> eax = pointer to memory allocation routine ;; |
91 | ;> ebx = pointer to memory freeing routine ;; |
91 | ;> ebx = pointer to memory freeing routine ;; |
92 | ;> ecx = pointer to memory reallocation routine ;; |
92 | ;> ecx = pointer to memory reallocation routine ;; |
93 | ;> edx = pointer to library loading routine ;; |
93 | ;> edx = pointer to library loading routine ;; |
94 | ;;---------------------------------------------------------------------------;; |
94 | ;;---------------------------------------------------------------------------;; |
95 | ;< eax = 1 (fail) / 0 (ok) ;; |
95 | ;< eax = 1 (fail) / 0 (ok) ;; |
96 | ;;===========================================================================;; |
96 | ;;===========================================================================;; |
97 | mov [mem.alloc], eax |
97 | mov [mem.alloc], eax |
98 | mov [mem.free], ebx |
98 | mov [mem.free], ebx |
99 | mov [mem.realloc], ecx |
99 | mov [mem.realloc], ecx |
100 | mov [dll.load], edx |
100 | mov [dll.load], edx |
101 | 101 | ||
102 | invoke dll.load, @IMPORT |
102 | invoke dll.load, @IMPORT |
103 | test eax, eax |
103 | test eax, eax |
104 | jnz .error |
104 | jnz .error |
105 | 105 | ||
106 | ; load proxy settings |
106 | ; load proxy settings |
107 | pusha |
107 | pusha |
108 | invoke ini.get_str, inifile, sec_proxy, key_proxy, proxyAddr, 256, proxyAddr |
108 | invoke ini.get_str, inifile, sec_proxy, key_proxy, proxyAddr, 256, proxyAddr |
109 | invoke ini.get_int, inifile, sec_proxy, key_proxyport, 80 |
109 | invoke ini.get_int, inifile, sec_proxy, key_proxyport, 80 |
110 | mov [proxyPort], eax |
110 | mov [proxyPort], eax |
111 | invoke ini.get_str, inifile, sec_proxy, key_user, proxyUser, 256, proxyUser |
111 | invoke ini.get_str, inifile, sec_proxy, key_user, proxyUser, 256, proxyUser |
112 | invoke ini.get_str, inifile, sec_proxy, key_password, proxyPassword, 256, proxyPassword |
112 | invoke ini.get_str, inifile, sec_proxy, key_password, proxyPassword, 256, proxyPassword |
113 | popa |
113 | popa |
114 | 114 | ||
115 | DEBUGF 1, "HTTP library: init OK\n" |
115 | DEBUGF 1, "HTTP library: init OK\n" |
116 | xor eax, eax |
116 | xor eax, eax |
117 | ret |
117 | ret |
118 | 118 | ||
119 | .error: |
119 | .error: |
120 | DEBUGF 1, "ERROR loading libraries\n" |
120 | DEBUGF 2, "ERROR loading http.obj dependencies\n" |
121 | xor eax, eax |
121 | xor eax, eax |
122 | inc eax |
122 | inc eax |
123 | ret |
123 | ret |
124 | 124 | ||
125 | 125 | ||
126 | ;;================================================================================================;; |
126 | ;;================================================================================================;; |
127 | proc HTTP_disconnect identifier ;/////////////////////////////////////////////////////////////////;; |
127 | proc HTTP_disconnect identifier ;/////////////////////////////////////////////////////////////////;; |
128 | ;;------------------------------------------------------------------------------------------------;; |
128 | ;;------------------------------------------------------------------------------------------------;; |
129 | ;? Stops the open connection ;; |
129 | ;? Stops the open connection ;; |
130 | ;;------------------------------------------------------------------------------------------------;; |
130 | ;;------------------------------------------------------------------------------------------------;; |
131 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
131 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
132 | ;;------------------------------------------------------------------------------------------------;; |
132 | ;;------------------------------------------------------------------------------------------------;; |
133 | ;< none ;; |
133 | ;< none ;; |
134 | ;;================================================================================================;; |
134 | ;;================================================================================================;; |
135 | 135 | ||
136 | pusha |
136 | pusha |
137 | mov ebp, [identifier] |
137 | mov ebp, [identifier] |
138 | 138 | ||
139 | test [ebp + http_msg.flags], FLAG_CONNECTED |
139 | test [ebp + http_msg.flags], FLAG_CONNECTED |
140 | jz .error |
140 | jz .error |
141 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
141 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
142 | mcall close, [ebp + http_msg.socket] |
142 | mcall close, [ebp + http_msg.socket] |
143 | 143 | ||
144 | popa |
144 | popa |
145 | ret |
145 | ret |
146 | 146 | ||
147 | .error: |
147 | .error: |
148 | DEBUGF 1, "Cant close already closed connection!\n" |
148 | DEBUGF 2, "Cant close already closed connection!\n" |
149 | popa |
149 | popa |
150 | ret |
150 | ret |
151 | 151 | ||
152 | endp |
152 | endp |
153 | 153 | ||
154 | 154 | ||
155 | ;;================================================================================================;; |
155 | ;;================================================================================================;; |
156 | proc HTTP_free identifier ;///////////////////////////////////////////////////////////////////////;; |
156 | proc HTTP_free identifier ;///////////////////////////////////////////////////////////////////////;; |
157 | ;;------------------------------------------------------------------------------------------------;; |
157 | ;;------------------------------------------------------------------------------------------------;; |
158 | ;? Free the http_msg structure ;; |
158 | ;? Free the http_msg structure ;; |
159 | ;;------------------------------------------------------------------------------------------------;; |
159 | ;;------------------------------------------------------------------------------------------------;; |
160 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
160 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
161 | ;;------------------------------------------------------------------------------------------------;; |
161 | ;;------------------------------------------------------------------------------------------------;; |
162 | ;< none ;; |
162 | ;< none ;; |
163 | ;;================================================================================================;; |
163 | ;;================================================================================================;; |
164 | DEBUGF 1, "HTTP_free: 0x%x\n", [identifier] |
164 | DEBUGF 1, "HTTP_free: 0x%x\n", [identifier] |
165 | pusha |
165 | pusha |
166 | mov ebp, [identifier] |
166 | mov ebp, [identifier] |
167 | 167 | ||
168 | test [ebp + http_msg.flags], FLAG_CONNECTED |
168 | test [ebp + http_msg.flags], FLAG_CONNECTED |
169 | jz .not_connected |
169 | jz .not_connected |
170 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
170 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
171 | mcall close, [ebp + http_msg.socket] |
171 | mcall close, [ebp + http_msg.socket] |
172 | 172 | ||
173 | .not_connected: |
173 | .not_connected: |
174 | invoke mem.free, ebp |
174 | invoke mem.free, ebp |
175 | 175 | ||
176 | popa |
176 | popa |
177 | ret |
177 | ret |
178 | 178 | ||
179 | endp |
179 | endp |
180 | 180 | ||
181 | 181 | ||
182 | 182 | ||
183 | ;;================================================================================================;; |
183 | ;;================================================================================================;; |
184 | proc HTTP_get URL, identifier, flags, add_header ;////////////////////////////////////////////////;; |
184 | proc HTTP_get URL, identifier, flags, add_header ;////////////////////////////////////////////////;; |
185 | ;;------------------------------------------------------------------------------------------------;; |
185 | ;;------------------------------------------------------------------------------------------------;; |
186 | ;? Initiates a HTTP connection, using 'GET' method. ;; |
186 | ;? Initiates a HTTP connection, using 'GET' method. ;; |
187 | ;;------------------------------------------------------------------------------------------------;; |
187 | ;;------------------------------------------------------------------------------------------------;; |
188 | ;> URL = pointer to ASCIIZ URL ;; |
188 | ;> URL = pointer to ASCIIZ URL ;; |
189 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
189 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
190 | ;> flags = Flags indicating how to threat the connection. ;; |
190 | ;> flags = Flags indicating how to threat the connection. ;; |
191 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
191 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
192 | ;;------------------------------------------------------------------------------------------------;; |
192 | ;;------------------------------------------------------------------------------------------------;; |
193 | ;< eax = 0 (error) / buffer ptr ;; |
193 | ;< eax = 0 (error) / buffer ptr ;; |
194 | ;;================================================================================================;; |
194 | ;;================================================================================================;; |
195 | locals |
195 | locals |
196 | hostname dd ? |
196 | hostname dd ? |
197 | pageaddr dd ? |
197 | pageaddr dd ? |
198 | socketnum dd ? |
198 | socketnum dd ? |
199 | buffer dd ? |
199 | buffer dd ? |
200 | port dd ? |
200 | port dd ? |
201 | endl |
201 | endl |
202 | 202 | ||
203 | and [flags], 0xff00 ; filter out invalid flags |
203 | and [flags], 0xff00 ; filter out invalid flags |
204 | 204 | ||
205 | pusha |
205 | pusha |
206 | 206 | ||
207 | ; split the URL into hostname and pageaddr |
207 | ; split the URL into hostname and pageaddr |
208 | stdcall parse_url, [URL] |
208 | stdcall parse_url, [URL] |
209 | test eax, eax |
209 | test eax, eax |
210 | jz .error |
210 | jz .error |
211 | mov [hostname], eax |
211 | mov [hostname], eax |
212 | mov [pageaddr], ebx |
212 | mov [pageaddr], ebx |
213 | mov [port], ecx |
213 | mov [port], ecx |
214 | 214 | ||
215 | mov eax, [identifier] |
215 | mov eax, [identifier] |
216 | test eax, eax |
216 | test eax, eax |
217 | jz .open_new |
217 | jz .open_new |
218 | test [eax + http_msg.flags], FLAG_CONNECTED |
218 | test [eax + http_msg.flags], FLAG_CONNECTED |
219 | jz .error |
219 | jz .error |
220 | mov eax, [eax + http_msg.socket] |
220 | mov eax, [eax + http_msg.socket] |
221 | mov [socketnum], eax |
221 | mov [socketnum], eax |
222 | jmp .send_request |
222 | jmp .send_request |
223 | 223 | ||
224 | ; Connect to the other side. |
224 | ; Connect to the other side. |
225 | .open_new: |
225 | .open_new: |
226 | stdcall open_connection, [hostname], [port] |
226 | stdcall open_connection, [hostname], [port] |
227 | test eax, eax |
227 | test eax, eax |
228 | jz .error |
228 | jz .error |
229 | mov [socketnum], eax |
229 | mov [socketnum], eax |
230 | 230 | ||
231 | ; Create the HTTP request. |
231 | ; Create the HTTP request. |
232 | .send_request: |
232 | .send_request: |
233 | invoke mem.alloc, BUFFERSIZE |
233 | invoke mem.alloc, BUFFERSIZE |
234 | test eax, eax |
234 | test eax, eax |
235 | jz .error |
235 | jz .error |
236 | mov [buffer], eax |
236 | mov [buffer], eax |
237 | mov edi, eax |
237 | mov edi, eax |
238 | DEBUGF 1, "Buffer allocated: 0x%x\n", eax |
238 | DEBUGF 1, "Buffer allocated: 0x%x\n", eax |
239 | 239 | ||
240 | mov esi, str_get |
240 | mov esi, str_get |
241 | copy_till_zero |
241 | copy_till_zero |
242 | 242 | ||
243 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
243 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
244 | cmp [proxyAddr], 0 |
244 | cmp [proxyAddr], 0 |
245 | je .no_proxy |
245 | je .no_proxy |
246 | mov esi, str_http ; prepend 'http://' |
246 | mov esi, str_http ; prepend 'http://' |
247 | copy_till_zero |
247 | copy_till_zero |
248 | mov esi, [hostname] |
248 | mov esi, [hostname] |
249 | copy_till_zero |
249 | copy_till_zero |
250 | .no_proxy: |
250 | .no_proxy: |
251 | mov esi, [pageaddr] |
251 | mov esi, [pageaddr] |
252 | copy_till_zero |
252 | copy_till_zero |
253 | 253 | ||
254 | mov esi, str_http11 |
254 | mov esi, str_http11 |
255 | mov ecx, str_http11.length |
255 | mov ecx, str_http11.length |
256 | rep movsb |
256 | rep movsb |
257 | 257 | ||
258 | mov esi, [hostname] |
258 | mov esi, [hostname] |
259 | copy_till_zero |
259 | copy_till_zero |
260 | 260 | ||
261 | cmp byte[proxyUser], 0 |
261 | cmp byte[proxyUser], 0 |
262 | je @f |
262 | je @f |
263 | call append_proxy_auth_header |
263 | call append_proxy_auth_header |
264 | @@: |
264 | @@: |
265 | 265 | ||
266 | mov ax, 0x0a0d |
266 | mov ax, 0x0a0d |
267 | stosw |
267 | stosw |
268 | 268 | ||
269 | mov esi, [add_header] |
269 | mov esi, [add_header] |
270 | test esi, esi |
270 | test esi, esi |
271 | jz @f |
271 | jz @f |
272 | copy_till_zero |
272 | copy_till_zero |
273 | @@: |
273 | @@: |
274 | 274 | ||
275 | mov esi, str_close |
275 | mov esi, str_close |
276 | mov ecx, str_close.length |
276 | mov ecx, str_close.length |
277 | test [flags], FLAG_KEEPALIVE |
277 | test [flags], FLAG_KEEPALIVE |
278 | jz @f |
278 | jz @f |
279 | mov esi, str_keep |
279 | mov esi, str_keep |
280 | mov ecx, str_keep.length |
280 | mov ecx, str_keep.length |
281 | @@: |
281 | @@: |
282 | rep movsb |
282 | rep movsb |
283 | 283 | ||
284 | mov byte[edi], 0 |
284 | mov byte[edi], 0 |
285 | DEBUGF 1, "Request:\n%s", [buffer] |
285 | DEBUGF 1, "Request:\n%s", [buffer] |
286 | 286 | ||
287 | ; Free unused memory |
287 | ; Free unused memory |
288 | push edi |
288 | push edi |
289 | invoke mem.free, [pageaddr] |
289 | invoke mem.free, [pageaddr] |
290 | invoke mem.free, [hostname] |
290 | invoke mem.free, [hostname] |
291 | pop esi |
291 | pop esi |
292 | 292 | ||
293 | ; Send the request |
293 | ; Send the request |
294 | sub esi, [buffer] ; length |
294 | sub esi, [buffer] ; length |
295 | xor edi, edi ; flags |
295 | xor edi, edi ; flags |
296 | mcall send, [socketnum], [buffer] |
296 | mcall send, [socketnum], [buffer] |
297 | test eax, eax |
297 | test eax, eax |
298 | jz .error |
298 | jz .error |
299 | DEBUGF 1, "Request has been sent to server.\n" |
299 | DEBUGF 1, "Request has been sent to server.\n" |
300 | 300 | ||
301 | cmp [identifier], 0 |
301 | cmp [identifier], 0 |
302 | jne .old_connection |
302 | jne .old_connection |
303 | HTTP_init_buffer [buffer], [socketnum], [flags] |
303 | HTTP_init_buffer [buffer], [socketnum], [flags] |
304 | 304 | ||
305 | popa |
305 | popa |
306 | mov eax, [buffer] ; return buffer ptr |
306 | mov eax, [buffer] ; return buffer ptr |
307 | ret |
307 | ret |
308 | 308 | ||
309 | .old_connection: |
309 | .old_connection: |
310 | invoke mem.free, [buffer] |
310 | invoke mem.free, [buffer] |
311 | popa |
311 | popa |
312 | mov eax, [identifier] |
312 | mov eax, [identifier] |
313 | ret |
313 | ret |
314 | 314 | ||
315 | .error: |
315 | .error: |
316 | DEBUGF 1, "Error!\n" |
316 | DEBUGF 2, "HTTP GET error!\n" |
317 | popa |
317 | popa |
318 | xor eax, eax ; return 0 = error |
318 | xor eax, eax ; return 0 = error |
319 | ret |
319 | ret |
320 | 320 | ||
321 | endp |
321 | endp |
322 | 322 | ||
323 | 323 | ||
324 | 324 | ||
325 | ;;================================================================================================;; |
325 | ;;================================================================================================;; |
326 | proc HTTP_head URL, identifier, flags, add_header ;///////////////////////////////////////////////;; |
326 | proc HTTP_head URL, identifier, flags, add_header ;///////////////////////////////////////////////;; |
327 | ;;------------------------------------------------------------------------------------------------;; |
327 | ;;------------------------------------------------------------------------------------------------;; |
328 | ;? Initiates a HTTP connection, using 'HEAD' method. ;; |
328 | ;? Initiates a HTTP connection, using 'HEAD' method. ;; |
329 | ;? This will only return HTTP header and status, no content ;; |
329 | ;? This will only return HTTP header and status, no content ;; |
330 | ;;------------------------------------------------------------------------------------------------;; |
330 | ;;------------------------------------------------------------------------------------------------;; |
331 | ;> URL = pointer to ASCIIZ URL ;; |
331 | ;> URL = pointer to ASCIIZ URL ;; |
332 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
332 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
333 | ;> flags = Flags indicating how to threat the connection. ;; |
333 | ;> flags = Flags indicating how to threat the connection. ;; |
334 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
334 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
335 | ;;------------------------------------------------------------------------------------------------;; |
335 | ;;------------------------------------------------------------------------------------------------;; |
336 | ;< eax = 0 (error) / buffer ptr ;; |
336 | ;< eax = 0 (error) / buffer ptr ;; |
337 | ;;================================================================================================;; |
337 | ;;================================================================================================;; |
338 | locals |
338 | locals |
339 | hostname dd ? |
339 | hostname dd ? |
340 | pageaddr dd ? |
340 | pageaddr dd ? |
341 | socketnum dd ? |
341 | socketnum dd ? |
342 | buffer dd ? |
342 | buffer dd ? |
343 | port dd ? |
343 | port dd ? |
344 | endl |
344 | endl |
345 | 345 | ||
346 | and [flags], 0xff00 ; filter out invalid flags |
346 | and [flags], 0xff00 ; filter out invalid flags |
347 | 347 | ||
348 | pusha |
348 | pusha |
349 | ; split the URL into hostname and pageaddr |
349 | ; split the URL into hostname and pageaddr |
350 | stdcall parse_url, [URL] |
350 | stdcall parse_url, [URL] |
351 | test eax, eax |
351 | test eax, eax |
352 | jz .error |
352 | jz .error |
353 | mov [hostname], eax |
353 | mov [hostname], eax |
354 | mov [pageaddr], ebx |
354 | mov [pageaddr], ebx |
355 | mov [port], ecx |
355 | mov [port], ecx |
356 | 356 | ||
357 | mov eax, [identifier] |
357 | mov eax, [identifier] |
358 | test eax, eax |
358 | test eax, eax |
359 | jz .open_new |
359 | jz .open_new |
360 | test [eax + http_msg.flags], FLAG_CONNECTED |
360 | test [eax + http_msg.flags], FLAG_CONNECTED |
361 | jz .error |
361 | jz .error |
362 | mov eax, [eax + http_msg.socket] |
362 | mov eax, [eax + http_msg.socket] |
363 | mov [socketnum], eax |
363 | mov [socketnum], eax |
364 | jmp .send_request |
364 | jmp .send_request |
365 | 365 | ||
366 | ; Connect to the other side. |
366 | ; Connect to the other side. |
367 | .open_new: |
367 | .open_new: |
368 | stdcall open_connection, [hostname], [port] |
368 | stdcall open_connection, [hostname], [port] |
369 | test eax, eax |
369 | test eax, eax |
370 | jz .error |
370 | jz .error |
371 | mov [socketnum], eax |
371 | mov [socketnum], eax |
372 | 372 | ||
373 | ; Create the HTTP request. |
373 | ; Create the HTTP request. |
374 | .send_request: |
374 | .send_request: |
375 | invoke mem.alloc, BUFFERSIZE |
375 | invoke mem.alloc, BUFFERSIZE |
376 | test eax, eax |
376 | test eax, eax |
377 | jz .error |
377 | jz .error |
378 | mov [buffer], eax |
378 | mov [buffer], eax |
379 | mov edi, eax |
379 | mov edi, eax |
380 | DEBUGF 1, "Buffer has been allocated.\n" |
380 | DEBUGF 1, "Buffer has been allocated.\n" |
381 | 381 | ||
382 | mov esi, str_head |
382 | mov esi, str_head |
383 | copy_till_zero |
383 | copy_till_zero |
384 | 384 | ||
385 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
385 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
386 | cmp [proxyAddr], 0 |
386 | cmp [proxyAddr], 0 |
387 | je .no_proxy |
387 | je .no_proxy |
388 | mov esi, str_http ; prepend 'http://' |
388 | mov esi, str_http ; prepend 'http://' |
389 | copy_till_zero |
389 | copy_till_zero |
390 | mov esi, [hostname] |
390 | mov esi, [hostname] |
391 | copy_till_zero |
391 | copy_till_zero |
392 | .no_proxy: |
392 | .no_proxy: |
393 | mov esi, [pageaddr] |
393 | mov esi, [pageaddr] |
394 | copy_till_zero |
394 | copy_till_zero |
395 | 395 | ||
396 | mov esi, str_http11 |
396 | mov esi, str_http11 |
397 | mov ecx, str_http11.length |
397 | mov ecx, str_http11.length |
398 | rep movsb |
398 | rep movsb |
399 | 399 | ||
400 | mov esi, [hostname] |
400 | mov esi, [hostname] |
401 | copy_till_zero |
401 | copy_till_zero |
402 | 402 | ||
403 | cmp byte[proxyUser], 0 |
403 | cmp byte[proxyUser], 0 |
404 | je @f |
404 | je @f |
405 | call append_proxy_auth_header |
405 | call append_proxy_auth_header |
406 | @@: |
406 | @@: |
407 | 407 | ||
408 | mov ax, 0x0a0d |
408 | mov ax, 0x0a0d |
409 | stosw |
409 | stosw |
410 | 410 | ||
411 | mov esi, [add_header] |
411 | mov esi, [add_header] |
412 | test esi, esi |
412 | test esi, esi |
413 | jz @f |
413 | jz @f |
414 | copy_till_zero |
414 | copy_till_zero |
415 | @@: |
415 | @@: |
416 | 416 | ||
417 | mov esi, str_close |
417 | mov esi, str_close |
418 | mov ecx, str_close.length |
418 | mov ecx, str_close.length |
419 | test [flags], FLAG_KEEPALIVE |
419 | test [flags], FLAG_KEEPALIVE |
420 | jz @f |
420 | jz @f |
421 | mov esi, str_keep |
421 | mov esi, str_keep |
422 | mov ecx, str_keep.length |
422 | mov ecx, str_keep.length |
423 | @@: |
423 | @@: |
424 | rep movsb |
424 | rep movsb |
425 | 425 | ||
426 | mov byte[edi], 0 |
426 | mov byte[edi], 0 |
427 | DEBUGF 1, "Request:\n%s", [buffer] |
427 | DEBUGF 1, "Request:\n%s", [buffer] |
428 | 428 | ||
429 | ; Free unused memory |
429 | ; Free unused memory |
430 | push edi |
430 | push edi |
431 | invoke mem.free, [pageaddr] |
431 | invoke mem.free, [pageaddr] |
432 | invoke mem.free, [hostname] |
432 | invoke mem.free, [hostname] |
433 | pop esi |
433 | pop esi |
434 | 434 | ||
435 | ; Send the request |
435 | ; Send the request |
436 | sub esi, [buffer] ; length |
436 | sub esi, [buffer] ; length |
437 | xor edi, edi ; flags |
437 | xor edi, edi ; flags |
438 | mcall send, [socketnum], [buffer] |
438 | mcall send, [socketnum], [buffer] |
439 | test eax, eax |
439 | test eax, eax |
440 | jz .error |
440 | jz .error |
441 | DEBUGF 1, "Request has been sent to server.\n" |
441 | DEBUGF 1, "Request has been sent to server.\n" |
442 | 442 | ||
443 | cmp [identifier], 0 |
443 | cmp [identifier], 0 |
444 | jne .old_connection |
444 | jne .old_connection |
445 | HTTP_init_buffer [buffer], [socketnum], [flags] |
445 | HTTP_init_buffer [buffer], [socketnum], [flags] |
446 | 446 | ||
447 | popa |
447 | popa |
448 | mov eax, [buffer] ; return buffer ptr |
448 | mov eax, [buffer] ; return buffer ptr |
449 | ret |
449 | ret |
450 | 450 | ||
451 | .old_connection: |
451 | .old_connection: |
452 | invoke mem.free, [buffer] |
452 | invoke mem.free, [buffer] |
453 | popa |
453 | popa |
454 | mov eax, [identifier] |
454 | mov eax, [identifier] |
455 | ret |
455 | ret |
456 | 456 | ||
457 | .error: |
457 | .error: |
458 | DEBUGF 1, "Error!\n" |
458 | DEBUGF 2, "HTTP HEAD error!\n" |
459 | popa |
459 | popa |
460 | xor eax, eax ; return 0 = error |
460 | xor eax, eax ; return 0 = error |
461 | ret |
461 | ret |
462 | 462 | ||
463 | endp |
463 | endp |
464 | 464 | ||
465 | 465 | ||
466 | ;;================================================================================================;; |
466 | ;;================================================================================================;; |
467 | proc HTTP_post URL, identifier, flags, add_header, content_type, content_length ;/////////////////;; |
467 | proc HTTP_post URL, identifier, flags, add_header, content_type, content_length ;/////////////////;; |
468 | ;;------------------------------------------------------------------------------------------------;; |
468 | ;;------------------------------------------------------------------------------------------------;; |
469 | ;? Initiates a HTTP connection, using 'POST' method. ;; |
469 | ;? Initiates a HTTP connection, using 'POST' method. ;; |
470 | ;? This method is used to send data to the HTTP server ;; |
470 | ;? This method is used to send data to the HTTP server ;; |
471 | ;;------------------------------------------------------------------------------------------------;; |
471 | ;;------------------------------------------------------------------------------------------------;; |
472 | ;> URL = pointer to ASCIIZ URL ;; |
472 | ;> URL = pointer to ASCIIZ URL ;; |
473 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
473 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
474 | ;> flags = Flags indicating how to threat the connection. ;; |
474 | ;> flags = Flags indicating how to threat the connection. ;; |
475 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
475 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
476 | ;> content_type = pointer to ASCIIZ string containing content type ;; |
476 | ;> content_type = pointer to ASCIIZ string containing content type ;; |
477 | ;> content_length = length of content (in bytes) ;; |
477 | ;> content_length = length of content (in bytes) ;; |
478 | ;;------------------------------------------------------------------------------------------------;; |
478 | ;;------------------------------------------------------------------------------------------------;; |
479 | ;< eax = 0 (error) / buffer ptr (aka Identifier) ;; |
479 | ;< eax = 0 (error) / buffer ptr (aka Identifier) ;; |
480 | ;;================================================================================================;; |
480 | ;;================================================================================================;; |
481 | locals |
481 | locals |
482 | hostname dd ? |
482 | hostname dd ? |
483 | pageaddr dd ? |
483 | pageaddr dd ? |
484 | socketnum dd ? |
484 | socketnum dd ? |
485 | buffer dd ? |
485 | buffer dd ? |
486 | port dd ? |
486 | port dd ? |
487 | endl |
487 | endl |
488 | 488 | ||
489 | and [flags], 0xff00 ; filter out invalid flags |
489 | and [flags], 0xff00 ; filter out invalid flags |
490 | 490 | ||
491 | pusha |
491 | pusha |
492 | ; split the URL into hostname and pageaddr |
492 | ; split the URL into hostname and pageaddr |
493 | stdcall parse_url, [URL] |
493 | stdcall parse_url, [URL] |
494 | test eax, eax |
494 | test eax, eax |
495 | jz .error |
495 | jz .error |
496 | mov [hostname], eax |
496 | mov [hostname], eax |
497 | mov [pageaddr], ebx |
497 | mov [pageaddr], ebx |
498 | mov [port], ecx |
498 | mov [port], ecx |
499 | 499 | ||
500 | mov eax, [identifier] |
500 | mov eax, [identifier] |
501 | test eax, eax |
501 | test eax, eax |
502 | jz .open_new |
502 | jz .open_new |
503 | test [eax + http_msg.flags], FLAG_CONNECTED |
503 | test [eax + http_msg.flags], FLAG_CONNECTED |
504 | jz .error |
504 | jz .error |
505 | mov eax, [eax + http_msg.socket] |
505 | mov eax, [eax + http_msg.socket] |
506 | mov [socketnum], eax |
506 | mov [socketnum], eax |
507 | jmp .send_request |
507 | jmp .send_request |
508 | 508 | ||
509 | ; Connect to the other side. |
509 | ; Connect to the other side. |
510 | .open_new: |
510 | .open_new: |
511 | stdcall open_connection, [hostname], [port] |
511 | stdcall open_connection, [hostname], [port] |
512 | test eax, eax |
512 | test eax, eax |
513 | jz .error |
513 | jz .error |
514 | mov [socketnum], eax |
514 | mov [socketnum], eax |
515 | 515 | ||
516 | ; Create the HTTP request. |
516 | ; Create the HTTP request. |
517 | .send_request: |
517 | .send_request: |
518 | invoke mem.alloc, BUFFERSIZE |
518 | invoke mem.alloc, BUFFERSIZE |
519 | test eax, eax |
519 | test eax, eax |
520 | jz .error |
520 | jz .error |
521 | mov [buffer], eax |
521 | mov [buffer], eax |
522 | mov edi, eax |
522 | mov edi, eax |
523 | DEBUGF 1, "Buffer has been allocated.\n" |
523 | DEBUGF 1, "Buffer has been allocated.\n" |
524 | 524 | ||
525 | mov esi, str_post |
525 | mov esi, str_post |
526 | copy_till_zero |
526 | copy_till_zero |
527 | 527 | ||
528 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
528 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
529 | cmp [proxyAddr], 0 |
529 | cmp [proxyAddr], 0 |
530 | je .no_proxy |
530 | je .no_proxy |
531 | mov esi, str_http ; prepend 'http://' |
531 | mov esi, str_http ; prepend 'http://' |
532 | copy_till_zero |
532 | copy_till_zero |
533 | mov esi, [hostname] |
533 | mov esi, [hostname] |
534 | copy_till_zero |
534 | copy_till_zero |
535 | .no_proxy: |
535 | .no_proxy: |
536 | mov esi, [pageaddr] |
536 | mov esi, [pageaddr] |
537 | copy_till_zero |
537 | copy_till_zero |
538 | 538 | ||
539 | mov esi, str_http11 |
539 | mov esi, str_http11 |
540 | mov ecx, str_http11.length |
540 | mov ecx, str_http11.length |
541 | rep movsb |
541 | rep movsb |
542 | 542 | ||
543 | mov esi, [hostname] |
543 | mov esi, [hostname] |
544 | copy_till_zero |
544 | copy_till_zero |
545 | 545 | ||
546 | mov esi, str_post_cl |
546 | mov esi, str_post_cl |
547 | mov ecx, str_post_cl.length |
547 | mov ecx, str_post_cl.length |
548 | rep movsb |
548 | rep movsb |
549 | 549 | ||
550 | mov eax, [content_length] |
550 | mov eax, [content_length] |
551 | call eax_ascii_dec |
551 | call eax_ascii_dec |
552 | 552 | ||
553 | mov esi, str_post_ct |
553 | mov esi, str_post_ct |
554 | mov ecx, str_post_ct.length |
554 | mov ecx, str_post_ct.length |
555 | rep movsb |
555 | rep movsb |
556 | 556 | ||
557 | mov esi, [content_type] |
557 | mov esi, [content_type] |
558 | copy_till_zero |
558 | copy_till_zero |
559 | 559 | ||
560 | cmp byte[proxyUser], 0 |
560 | cmp byte[proxyUser], 0 |
561 | je @f |
561 | je @f |
562 | call append_proxy_auth_header |
562 | call append_proxy_auth_header |
563 | @@: |
563 | @@: |
564 | 564 | ||
565 | mov ax, 0x0a0d |
565 | mov ax, 0x0a0d |
566 | stosw |
566 | stosw |
567 | 567 | ||
568 | mov esi, [add_header] |
568 | mov esi, [add_header] |
569 | test esi, esi |
569 | test esi, esi |
570 | jz @f |
570 | jz @f |
571 | copy_till_zero |
571 | copy_till_zero |
572 | @@: |
572 | @@: |
573 | 573 | ||
574 | mov esi, str_close |
574 | mov esi, str_close |
575 | mov ecx, str_close.length |
575 | mov ecx, str_close.length |
576 | test [flags], FLAG_KEEPALIVE |
576 | test [flags], FLAG_KEEPALIVE |
577 | jz @f |
577 | jz @f |
578 | mov esi, str_keep |
578 | mov esi, str_keep |
579 | mov ecx, str_keep.length |
579 | mov ecx, str_keep.length |
580 | @@: |
580 | @@: |
581 | rep movsb |
581 | rep movsb |
582 | 582 | ||
583 | mov byte[edi], 0 |
583 | mov byte[edi], 0 |
584 | DEBUGF 1, "Request:\n%s", [buffer] |
584 | DEBUGF 1, "Request:\n%s", [buffer] |
585 | 585 | ||
586 | ; Free unused memory |
586 | ; Free unused memory |
587 | push edi |
587 | push edi |
588 | invoke mem.free, [pageaddr] |
588 | invoke mem.free, [pageaddr] |
589 | invoke mem.free, [hostname] |
589 | invoke mem.free, [hostname] |
590 | pop esi |
590 | pop esi |
591 | 591 | ||
592 | ; Send the request |
592 | ; Send the request |
593 | sub esi, [buffer] ; length |
593 | sub esi, [buffer] ; length |
594 | xor edi, edi ; flags |
594 | xor edi, edi ; flags |
595 | mcall send, [socketnum], [buffer] |
595 | mcall send, [socketnum], [buffer] |
596 | test eax, eax |
596 | test eax, eax |
597 | jz .error |
597 | jz .error |
598 | DEBUGF 1, "Request has been sent to server.\n" |
598 | DEBUGF 1, "Request has been sent to server.\n" |
599 | 599 | ||
600 | cmp [identifier], 0 |
600 | cmp [identifier], 0 |
601 | jne .old_connection |
601 | jne .old_connection |
602 | HTTP_init_buffer [buffer], [socketnum], [flags] |
602 | HTTP_init_buffer [buffer], [socketnum], [flags] |
603 | 603 | ||
604 | popa |
604 | popa |
605 | mov eax, [buffer] ; return buffer ptr |
605 | mov eax, [buffer] ; return buffer ptr |
606 | ret |
606 | ret |
607 | 607 | ||
608 | .old_connection: |
608 | .old_connection: |
609 | invoke mem.free, [buffer] |
609 | invoke mem.free, [buffer] |
610 | mov ebx, [flags] |
610 | mov ebx, [flags] |
611 | mov eax, [identifier] |
611 | mov eax, [identifier] |
612 | or [eax + http_msg.flags], ebx |
612 | or [eax + http_msg.flags], ebx |
613 | popa |
613 | popa |
614 | mov eax, [identifier] |
614 | mov eax, [identifier] |
615 | ret |
615 | ret |
616 | 616 | ||
617 | .error: |
617 | .error: |
618 | DEBUGF 1, "Error!\n" |
618 | DEBUGF 1, "HTTP POST error!\n" |
619 | popa |
619 | popa |
620 | xor eax, eax ; return 0 = error |
620 | xor eax, eax ; return 0 = error |
621 | ret |
621 | ret |
622 | 622 | ||
623 | endp |
623 | endp |
624 | 624 | ||
625 | 625 | ||
626 | 626 | ||
627 | ;;================================================================================================;; |
627 | ;;================================================================================================;; |
628 | proc HTTP_receive identifier ;////////////////////////////////////////////////////////////////////;; |
628 | proc HTTP_receive identifier ;////////////////////////////////////////////////////////////////////;; |
629 | ;;------------------------------------------------------------------------------------------------;; |
629 | ;;------------------------------------------------------------------------------------------------;; |
630 | ;? Receive data from the server, parse headers and put data in receive buffer(s). ;; |
630 | ;? Receive data from the server, parse headers and put data in receive buffer(s). ;; |
631 | ;? To complete a transfer, this procedure must be called over and over again untill it returns 0. ;; |
631 | ;? To complete a transfer, this procedure must be called over and over again untill it returns 0. ;; |
632 | ;;------------------------------------------------------------------------------------------------;; |
632 | ;;------------------------------------------------------------------------------------------------;; |
633 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
633 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
634 | ;;------------------------------------------------------------------------------------------------;; |
634 | ;;------------------------------------------------------------------------------------------------;; |
635 | ;< eax = -1 (not finished) / 0 finished ;; |
635 | ;< eax = -1 (not finished) / 0 finished ;; |
636 | ;;================================================================================================;; |
636 | ;;================================================================================================;; |
637 | 637 | ||
638 | pusha |
638 | pusha |
639 | mov ebp, [identifier] |
639 | mov ebp, [identifier] |
640 | 640 | ||
641 | ; If the connection is closed, return immediately |
641 | ; If the connection is closed, return immediately |
642 | test [ebp + http_msg.flags], FLAG_CONNECTED |
642 | test [ebp + http_msg.flags], FLAG_CONNECTED |
643 | jz .connection_closed |
643 | jz .connection_closed |
644 | 644 | ||
645 | ; If the buffer is full, allocate a new one |
645 | ; If the buffer is full, allocate a new one |
646 | cmp [ebp + http_msg.buffer_length], 0 |
646 | cmp [ebp + http_msg.buffer_length], 0 |
647 | jne .receive |
647 | jne .receive |
648 | 648 | ||
649 | test [ebp + http_msg.flags], FLAG_STREAM |
649 | test [ebp + http_msg.flags], FLAG_STREAM |
650 | jz .err_header |
650 | jz .err_header |
651 | 651 | ||
652 | test [ebp + http_msg.flags], FLAG_REUSE_BUFFER |
652 | test [ebp + http_msg.flags], FLAG_REUSE_BUFFER |
653 | jz .new_buffer |
653 | jz .new_buffer |
654 | 654 | ||
655 | mov eax, [ebp + http_msg.content_ptr] |
655 | mov eax, [ebp + http_msg.content_ptr] |
656 | mov [ebp + http_msg.write_ptr], eax |
656 | mov [ebp + http_msg.write_ptr], eax |
657 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
657 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
658 | jmp .receive |
658 | jmp .receive |
659 | 659 | ||
660 | .new_buffer: |
660 | .new_buffer: |
661 | invoke mem.alloc, BUFFERSIZE |
661 | invoke mem.alloc, BUFFERSIZE |
662 | test eax, eax |
662 | test eax, eax |
663 | jz .err_no_ram |
663 | jz .err_no_ram |
664 | mov [ebp + http_msg.content_ptr], eax |
664 | mov [ebp + http_msg.content_ptr], eax |
665 | mov [ebp + http_msg.write_ptr], eax |
665 | mov [ebp + http_msg.write_ptr], eax |
666 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
666 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
667 | DEBUGF 1, "New buffer: 0x%x\n", eax |
667 | DEBUGF 1, "New buffer: 0x%x\n", eax |
668 | 668 | ||
669 | ; Receive some data |
669 | ; Receive some data |
670 | .receive: |
670 | .receive: |
- | 671 | mov edi, MSG_DONTWAIT |
|
- | 672 | test [ebp + http_msg.flags], FLAG_BLOCK |
|
- | 673 | jz @f |
|
- | 674 | xor edi, edi |
|
- | 675 | @@: |
|
671 | mcall recv, [ebp + http_msg.socket], [ebp + http_msg.write_ptr], \ |
676 | mcall recv, [ebp + http_msg.socket], [ebp + http_msg.write_ptr], \ |
672 | [ebp + http_msg.buffer_length], MSG_DONTWAIT |
677 | [ebp + http_msg.buffer_length] |
673 | cmp eax, 0xffffffff |
678 | cmp eax, 0xffffffff |
674 | je .check_socket |
679 | je .check_socket |
675 | 680 | ||
676 | test eax, eax |
681 | test eax, eax |
677 | jz .server_closed |
682 | jz .server_closed |
678 | DEBUGF 1, "Received %u bytes\n", eax |
683 | DEBUGF 1, "Received %u bytes\n", eax |
679 | 684 | ||
680 | ; Update timestamp |
685 | ; Update timestamp |
681 | push eax |
686 | push eax |
682 | mcall 26, 9 |
687 | mcall 26, 9 |
683 | mov [ebp + http_msg.timestamp], eax |
688 | mov [ebp + http_msg.timestamp], eax |
684 | pop eax |
689 | pop eax |
685 | 690 | ||
686 | ; Update pointers |
691 | ; Update pointers |
687 | mov edi, [ebp + http_msg.write_ptr] |
692 | mov edi, [ebp + http_msg.write_ptr] |
688 | add [ebp + http_msg.write_ptr], eax |
693 | add [ebp + http_msg.write_ptr], eax |
689 | sub [ebp + http_msg.buffer_length], eax |
694 | sub [ebp + http_msg.buffer_length], eax |
690 | 695 | ||
691 | ; If data is chunked, combine chunks into contiguous data. |
696 | ; If data is chunked, combine chunks into contiguous data. |
692 | test [ebp + http_msg.flags], FLAG_CHUNKED |
697 | test [ebp + http_msg.flags], FLAG_CHUNKED |
693 | jnz .chunk_loop |
698 | jnz .chunk_loop |
694 | 699 | ||
695 | ; Did we detect the (final) header yet? |
700 | ; Did we detect the (final) header yet? |
696 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
701 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
697 | jnz .header_parsed |
702 | jnz .header_parsed |
698 | 703 | ||
699 | ;-------------------------------------------------------------- |
704 | ;-------------------------------------------------------------- |
700 | ; |
705 | ; |
701 | ; Header parsing code begins here |
706 | ; Header parsing code begins here |
702 | ; |
707 | ; |
703 | 708 | ||
704 | ; We havent found the (final) header yet, search for it.. |
709 | ; We havent found the (final) header yet, search for it.. |
705 | .scan_again: |
710 | .scan_again: |
706 | ; eax = total number of bytes received so far |
711 | ; eax = total number of bytes received so far |
707 | mov eax, [ebp + http_msg.write_ptr] |
712 | mov eax, [ebp + http_msg.write_ptr] |
708 | sub eax, http_msg.http_header |
713 | sub eax, http_msg.http_header |
709 | sub eax, ebp |
714 | sub eax, ebp |
710 | sub eax, [ebp + http_msg.header_length] |
715 | sub eax, [ebp + http_msg.header_length] |
711 | ; edi is ptr to begin of header |
716 | ; edi is ptr to begin of header |
712 | lea edi, [ebp + http_msg.http_header] |
717 | lea edi, [ebp + http_msg.http_header] |
713 | add edi, [ebp + http_msg.header_length] |
718 | add edi, [ebp + http_msg.header_length] |
714 | ; put it in esi for next proc too |
719 | ; put it in esi for next proc too |
715 | mov esi, edi |
720 | mov esi, edi |
716 | sub eax, 3 |
721 | sub eax, 3 |
717 | jle .need_more_data_for_header |
722 | jle .need_more_data_for_header |
718 | .scan_loop: |
723 | .scan_loop: |
719 | ; scan for end of header (empty line) |
724 | ; scan for end of header (empty line) |
720 | cmp dword[edi], 0x0a0d0a0d ; end of header |
725 | cmp dword[edi], 0x0a0d0a0d ; end of header |
721 | je .end_of_header |
726 | je .end_of_header |
722 | cmp word[edi+2], 0x0a0a ; notice the use of offset + 2, to calculate header length correctly :) |
727 | cmp word[edi+2], 0x0a0a ; notice the use of offset + 2, to calculate header length correctly :) |
723 | je .end_of_header |
728 | je .end_of_header |
724 | inc edi |
729 | inc edi |
725 | dec eax |
730 | dec eax |
726 | jnz .scan_loop |
731 | jnz .scan_loop |
727 | jmp .need_more_data_for_header |
732 | jmp .need_more_data_for_header |
728 | 733 | ||
729 | .end_of_header: |
734 | .end_of_header: |
730 | add edi, 4 - http_msg.http_header |
735 | add edi, 4 - http_msg.http_header |
731 | sub edi, ebp |
736 | sub edi, ebp |
732 | mov [ebp + http_msg.header_length], edi ; If this isnt the final header, we'll use this as an offset to find real header. |
737 | mov [ebp + http_msg.header_length], edi ; If this isnt the final header, we'll use this as an offset to find real header. |
733 | DEBUGF 1, "Header length: %u\n", edi |
738 | DEBUGF 1, "Header length: %u\n", edi |
734 | 739 | ||
735 | ; Ok, we have found the header |
740 | ; Ok, we have found the header |
736 | cmp dword[esi], 'HTTP' |
741 | cmp dword[esi], 'HTTP' |
737 | jne .err_header |
742 | jne .err_header |
738 | cmp dword[esi+4], '/1.0' |
743 | cmp dword[esi+4], '/1.0' |
739 | je .http_1.0 |
744 | je .http_1.0 |
740 | cmp dword[esi+4], '/1.1' |
745 | cmp dword[esi+4], '/1.1' |
741 | jne .err_header |
746 | jne .err_header |
742 | or [ebp + http_msg.flags], FLAG_HTTP11 |
747 | or [ebp + http_msg.flags], FLAG_HTTP11 |
743 | .http_1.0: |
748 | .http_1.0: |
744 | cmp byte[esi+8], ' ' |
749 | cmp byte[esi+8], ' ' |
745 | jne .err_header |
750 | jne .err_header |
746 | 751 | ||
747 | add esi, 9 |
752 | add esi, 9 |
748 | xor eax, eax |
753 | xor eax, eax |
749 | xor ebx, ebx |
754 | xor ebx, ebx |
750 | mov ecx, 3 |
755 | mov ecx, 3 |
751 | .statusloop: |
756 | .statusloop: |
752 | lodsb |
757 | lodsb |
753 | sub al, '0' |
758 | sub al, '0' |
754 | jb .err_header |
759 | jb .err_header |
755 | cmp al, 9 |
760 | cmp al, 9 |
756 | ja .err_header |
761 | ja .err_header |
757 | lea ebx, [ebx + 4*ebx] |
762 | lea ebx, [ebx + 4*ebx] |
758 | shl ebx, 1 |
763 | shl ebx, 1 |
759 | add ebx, eax |
764 | add ebx, eax |
760 | dec ecx |
765 | dec ecx |
761 | jnz .statusloop |
766 | jnz .statusloop |
762 | 767 | ||
763 | ; Ignore "100 - Continue" lines |
768 | ; Ignore "100 - Continue" lines |
764 | cmp ebx, 100 |
769 | cmp ebx, 100 |
765 | je .scan_again |
770 | je .scan_again |
766 | 771 | ||
767 | DEBUGF 1, "Status: %u\n", ebx |
772 | DEBUGF 1, "Status: %u\n", ebx |
768 | mov [ebp + http_msg.status], ebx |
773 | mov [ebp + http_msg.status], ebx |
769 | or [ebp + http_msg.flags], FLAG_GOT_HEADER |
774 | or [ebp + http_msg.flags], FLAG_GOT_HEADER |
770 | 775 | ||
771 | ; Now, convert all header names to lowercase. |
776 | ; Now, convert all header names to lowercase. |
772 | ; This way, it will be much easier to find certain header fields, later on. |
777 | ; This way, it will be much easier to find certain header fields, later on. |
773 | lea esi, [ebp + http_msg.http_header] |
778 | lea esi, [ebp + http_msg.http_header] |
774 | mov ecx, [ebp + http_msg.header_length] |
779 | mov ecx, [ebp + http_msg.header_length] |
775 | .need_newline: |
780 | .need_newline: |
776 | inc esi |
781 | inc esi |
777 | dec ecx |
782 | dec ecx |
778 | jz .convert_done |
783 | jz .convert_done |
779 | cmp byte[esi], 10 |
784 | cmp byte[esi], 10 |
780 | jne .need_newline |
785 | jne .need_newline |
781 | ; We have found a newline |
786 | ; We have found a newline |
782 | ; A line beginning with space or tabs has no header fields. |
787 | ; A line beginning with space or tabs has no header fields. |
783 | inc esi |
788 | inc esi |
784 | dec ecx |
789 | dec ecx |
785 | jz .convert_done |
790 | jz .convert_done |
786 | cmp byte[esi], ' ' |
791 | cmp byte[esi], ' ' |
787 | je .need_newline |
792 | je .need_newline |
788 | cmp byte[esi], 9 ; horizontal tab |
793 | cmp byte[esi], 9 ; horizontal tab |
789 | je .need_newline |
794 | je .need_newline |
790 | jmp .convert_loop |
795 | jmp .convert_loop |
791 | .next_char: |
796 | .next_char: |
792 | inc esi |
797 | inc esi |
793 | dec ecx |
798 | dec ecx |
794 | jz .convert_done |
799 | jz .convert_done |
795 | .convert_loop: |
800 | .convert_loop: |
796 | cmp byte[esi], ':' |
801 | cmp byte[esi], ':' |
797 | je .need_newline |
802 | je .need_newline |
798 | cmp byte[esi], 'A' |
803 | cmp byte[esi], 'A' |
799 | jb .next_char |
804 | jb .next_char |
800 | cmp byte[esi], 'Z' |
805 | cmp byte[esi], 'Z' |
801 | ja .next_char |
806 | ja .next_char |
802 | or byte[esi], 0x20 ; convert to lowercase |
807 | or byte[esi], 0x20 ; convert to lowercase |
803 | jmp .next_char |
808 | jmp .next_char |
804 | .convert_done: |
809 | .convert_done: |
805 | mov byte[esi-1], 0 |
810 | mov byte[esi-1], 0 |
806 | lea esi, [ebp + http_msg.http_header] |
811 | lea esi, [ebp + http_msg.http_header] |
807 | DEBUGF 1, "Header names converted to lowercase:\n%s\n", esi |
812 | DEBUGF 1, "Header names converted to lowercase:\n%s\n", esi |
808 | 813 | ||
809 | ; Check for content-length header field. |
814 | ; Check for content-length header field. |
810 | stdcall HTTP_find_header_field, ebp, str_cl |
815 | stdcall HTTP_find_header_field, ebp, str_cl |
811 | test eax, eax |
816 | test eax, eax |
812 | jz .no_content |
817 | jz .no_content |
813 | or [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
818 | or [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
814 | 819 | ||
815 | xor edx, edx |
820 | xor edx, edx |
816 | .cl_loop: |
821 | .cl_loop: |
817 | movzx ebx, byte[eax] |
822 | movzx ebx, byte[eax] |
818 | inc eax |
823 | inc eax |
819 | cmp bl, 10 |
824 | cmp bl, 10 |
820 | je .cl_ok |
825 | je .cl_ok |
821 | cmp bl, 13 |
826 | cmp bl, 13 |
822 | je .cl_ok |
827 | je .cl_ok |
823 | cmp bl, ' ' |
828 | cmp bl, ' ' |
824 | je .cl_ok |
829 | je .cl_ok |
825 | sub bl, '0' |
830 | sub bl, '0' |
826 | jb .err_header |
831 | jb .err_header |
827 | cmp bl, 9 |
832 | cmp bl, 9 |
828 | ja .err_header |
833 | ja .err_header |
829 | lea edx, [edx + edx*4] ; edx = edx*10 |
834 | lea edx, [edx + edx*4] ; edx = edx*10 |
830 | shl edx, 1 ; |
835 | shl edx, 1 ; |
831 | add edx, ebx |
836 | add edx, ebx |
832 | jmp .cl_loop |
837 | jmp .cl_loop |
833 | 838 | ||
834 | .cl_ok: |
839 | .cl_ok: |
835 | mov [ebp + http_msg.content_length], edx |
840 | mov [ebp + http_msg.content_length], edx |
836 | DEBUGF 1, "Content-length: %u\n", edx |
841 | DEBUGF 1, "Content-length: %u\n", edx |
837 | 842 | ||
838 | test edx, edx |
843 | test edx, edx |
839 | jz .got_all_data |
844 | jz .got_all_data |
840 | 845 | ||
841 | call alloc_contentbuff |
846 | call alloc_contentbuff |
842 | test eax, eax |
847 | test eax, eax |
843 | jz .err_no_ram |
848 | jz .err_no_ram |
844 | xor eax, eax |
849 | xor eax, eax |
845 | jmp .header_parsed |
850 | jmp .header_parsed |
846 | 851 | ||
847 | .no_content: |
852 | .no_content: |
848 | DEBUGF 1, "Content-length not found.\n" |
853 | DEBUGF 1, "Content-length not found.\n" |
849 | ; We didnt find 'content-length', maybe server is using chunked transfer encoding? |
854 | ; We didnt find 'content-length', maybe server is using chunked transfer encoding? |
850 | .multibuffer: |
855 | .multibuffer: |
851 | ; Try to find 'transfer-encoding' header. |
856 | ; Try to find 'transfer-encoding' header. |
852 | stdcall HTTP_find_header_field, ebp, str_te |
857 | stdcall HTTP_find_header_field, ebp, str_te |
853 | test eax, eax |
858 | test eax, eax |
854 | jnz .ct_hdr_found |
859 | jnz .ct_hdr_found |
855 | 860 | ||
856 | .not_chunked: |
861 | .not_chunked: |
857 | mov edx, BUFFERSIZE |
862 | mov edx, BUFFERSIZE |
858 | call alloc_contentbuff |
863 | call alloc_contentbuff |
859 | test eax, eax |
864 | test eax, eax |
860 | jz .err_no_ram |
865 | jz .err_no_ram |
861 | xor eax, eax |
866 | xor eax, eax |
862 | jmp .header_parsed |
867 | jmp .header_parsed |
863 | 868 | ||
864 | .ct_hdr_found: |
869 | .ct_hdr_found: |
865 | mov ebx, dword[eax] |
870 | mov ebx, dword[eax] |
866 | or ebx, 0x20202020 |
871 | or ebx, 0x20202020 |
867 | cmp ebx, 'chun' |
872 | cmp ebx, 'chun' |
868 | jne .not_chunked |
873 | jne .not_chunked |
869 | mov ebx, dword[eax+4] |
874 | mov ebx, dword[eax+4] |
870 | or ebx, 0x00202020 |
875 | or ebx, 0x00202020 |
871 | and ebx, 0x00ffffff |
876 | and ebx, 0x00ffffff |
872 | cmp ebx, 'ked' |
877 | cmp ebx, 'ked' |
873 | jne .not_chunked |
878 | jne .not_chunked |
874 | 879 | ||
875 | or [ebp + http_msg.flags], FLAG_CHUNKED |
880 | or [ebp + http_msg.flags], FLAG_CHUNKED |
876 | DEBUGF 1, "Transfer type is: chunked\n" |
881 | DEBUGF 1, "Transfer type is: chunked\n" |
877 | 882 | ||
878 | mov edx, BUFFERSIZE |
883 | mov edx, BUFFERSIZE |
879 | call alloc_contentbuff |
884 | call alloc_contentbuff |
880 | test eax, eax |
885 | test eax, eax |
881 | jz .err_no_ram |
886 | jz .err_no_ram |
882 | 887 | ||
883 | ; Set chunk pointer where first chunk should begin. |
888 | ; Set chunk pointer where first chunk should begin. |
884 | mov eax, [ebp + http_msg.content_ptr] |
889 | mov eax, [ebp + http_msg.content_ptr] |
885 | mov [ebp + http_msg.chunk_ptr], eax |
890 | mov [ebp + http_msg.chunk_ptr], eax |
886 | 891 | ||
887 | ;-------------------------------------------------------------- |
892 | ;-------------------------------------------------------------- |
888 | ; |
893 | ; |
889 | ; Chunk parsing code begins here |
894 | ; Chunk parsing code begins here |
890 | ; |
895 | ; |
891 | 896 | ||
892 | .chunk_loop: |
897 | .chunk_loop: |
893 | mov ecx, [ebp + http_msg.write_ptr] |
898 | mov ecx, [ebp + http_msg.write_ptr] |
894 | sub ecx, [ebp + http_msg.chunk_ptr] |
899 | sub ecx, [ebp + http_msg.chunk_ptr] |
895 | jbe .need_more_data_chunked |
900 | jbe .need_more_data_chunked |
896 | 901 | ||
897 | ; Chunkline starts here, convert the ASCII hex number into ebx |
902 | ; Chunkline starts here, convert the ASCII hex number into ebx |
898 | mov esi, [ebp + http_msg.chunk_ptr] |
903 | mov esi, [ebp + http_msg.chunk_ptr] |
899 | DEBUGF 1, "Chunkline begins at 0x%x\n", esi |
904 | DEBUGF 1, "Chunkline begins at 0x%x\n", esi |
900 | 905 | ||
901 | xor ebx, ebx |
906 | xor ebx, ebx |
902 | cmp byte[esi], 0x0d |
907 | cmp byte[esi], 0x0d |
903 | jne .chunk_hex_loop |
908 | jne .chunk_hex_loop |
904 | dec ecx |
909 | dec ecx |
905 | jz .need_more_data_chunked |
910 | jz .need_more_data_chunked |
906 | inc esi |
911 | inc esi |
907 | cmp byte[esi], 0x0a |
912 | cmp byte[esi], 0x0a |
908 | jne .chunk_hex_loop |
913 | jne .chunk_hex_loop |
909 | dec ecx |
914 | dec ecx |
910 | jz .need_more_data_chunked |
915 | jz .need_more_data_chunked |
911 | inc esi |
916 | inc esi |
912 | .chunk_hex_loop: |
917 | .chunk_hex_loop: |
913 | lodsb |
918 | lodsb |
914 | sub al, '0' |
919 | sub al, '0' |
915 | jb .chunk_hex_end |
920 | jb .chunk_hex_end |
916 | cmp al, 9 |
921 | cmp al, 9 |
917 | jbe .chunk_hex |
922 | jbe .chunk_hex |
918 | sub al, 'A' - '0' - 10 |
923 | sub al, 'A' - '0' - 10 |
919 | jb .chunk_hex_end |
924 | jb .chunk_hex_end |
920 | cmp al, 15 |
925 | cmp al, 15 |
921 | jbe .chunk_hex |
926 | jbe .chunk_hex |
922 | sub al, 'a' - 'A' |
927 | sub al, 'a' - 'A' |
923 | cmp al, 15 |
928 | cmp al, 15 |
924 | ja .chunk_hex_end |
929 | ja .chunk_hex_end |
925 | .chunk_hex: |
930 | .chunk_hex: |
926 | shl ebx, 4 |
931 | shl ebx, 4 |
927 | add bl, al |
932 | add bl, al |
928 | dec ecx |
933 | dec ecx |
929 | jnz .chunk_hex_loop |
934 | jnz .chunk_hex_loop |
930 | jmp .need_more_data_chunked |
935 | jmp .need_more_data_chunked |
931 | .chunk_hex_end: |
936 | .chunk_hex_end: |
932 | ; Chunkline ends with a CR LF or simply LF |
937 | ; Chunkline ends with a CR LF or simply LF |
933 | dec esi |
938 | dec esi |
934 | .end_of_chunkline?: |
939 | .end_of_chunkline?: |
935 | lodsb |
940 | lodsb |
936 | cmp al, 10 ; chunkline must always end with LF |
941 | cmp al, 10 ; chunkline must always end with LF |
937 | je .end_of_chunkline |
942 | je .end_of_chunkline |
938 | dec ecx |
943 | dec ecx |
939 | jnz .end_of_chunkline? |
944 | jnz .end_of_chunkline? |
940 | xor eax, eax |
945 | xor eax, eax |
941 | jmp .need_more_data_chunked ; chunkline is incomplete, request more data |
946 | jmp .need_more_data_chunked ; chunkline is incomplete, request more data |
942 | .end_of_chunkline: |
947 | .end_of_chunkline: |
943 | DEBUGF 1, "Chunk of 0x%x bytes\n", ebx |
948 | DEBUGF 1, "Chunk of 0x%x bytes\n", ebx |
944 | ; If chunk size is 0, all chunks have been received. |
949 | ; If chunk size is 0, all chunks have been received. |
945 | test ebx, ebx |
950 | test ebx, ebx |
946 | jz .got_all_data_chunked |
951 | jz .got_all_data_chunked |
947 | ; Calculate how many data bytes we have received already |
952 | ; Calculate how many data bytes we have received already |
948 | mov ecx, [ebp + http_msg.write_ptr] |
953 | mov ecx, [ebp + http_msg.write_ptr] |
949 | sub ecx, [ebp + http_msg.chunk_ptr] ; ecx is now number of received data bytes |
954 | sub ecx, [ebp + http_msg.chunk_ptr] ; ecx is now number of received data bytes |
950 | ; Update content_received counter |
955 | ; Update content_received counter |
951 | add [ebp + http_msg.content_received], ecx |
956 | add [ebp + http_msg.content_received], ecx |
952 | ; Calculate new write ptr |
957 | ; Calculate new write ptr |
953 | mov edx, esi |
958 | mov edx, esi |
954 | sub edx, [ebp + http_msg.chunk_ptr] ; edx is now length of chunkline |
959 | sub edx, [ebp + http_msg.chunk_ptr] ; edx is now length of chunkline |
955 | sub [ebp + http_msg.write_ptr], edx |
960 | sub [ebp + http_msg.write_ptr], edx |
956 | test [ebp + http_msg.flags], FLAG_STREAM |
961 | test [ebp + http_msg.flags], FLAG_STREAM |
957 | jnz .dont_resize |
962 | jnz .dont_resize |
958 | ; Realloc buffer, make it 'chunksize' bigger. |
963 | ; Realloc buffer, make it 'chunksize' bigger. |
959 | lea edx, [ebx + BUFFERSIZE] |
964 | lea edx, [ebx + BUFFERSIZE] |
960 | mov [ebp + http_msg.buffer_length], edx ; remaining space in new buffer |
965 | mov [ebp + http_msg.buffer_length], edx ; remaining space in new buffer |
961 | add edx, [ebp + http_msg.write_ptr] |
966 | add edx, [ebp + http_msg.write_ptr] |
962 | sub edx, [ebp + http_msg.content_ptr] |
967 | sub edx, [ebp + http_msg.content_ptr] |
963 | DEBUGF 1, "Resizing buffer 0x%x, it will now be %u bytes\n", [ebp + http_msg.content_ptr], edx |
968 | DEBUGF 1, "Resizing buffer 0x%x, it will now be %u bytes\n", [ebp + http_msg.content_ptr], edx |
964 | invoke mem.realloc, [ebp + http_msg.content_ptr], edx |
969 | invoke mem.realloc, [ebp + http_msg.content_ptr], edx |
965 | DEBUGF 1, "New buffer = 0x%x\n", eax |
970 | DEBUGF 1, "New buffer = 0x%x\n", eax |
966 | or eax, eax |
971 | or eax, eax |
967 | jz .err_no_ram |
972 | jz .err_no_ram |
968 | call recalculate_pointers ; Because it's possible that buffer begins on another address now |
973 | call recalculate_pointers ; Because it's possible that buffer begins on another address now |
969 | add esi, eax ; recalculate esi too! |
974 | add esi, eax ; recalculate esi too! |
970 | .dont_resize: |
975 | .dont_resize: |
971 | ; Remove chunk header (aka chunkline) from the buffer by shifting all received data after chunkt_ptr to the left |
976 | ; Remove chunk header (aka chunkline) from the buffer by shifting all received data after chunkt_ptr to the left |
972 | mov edi, [ebp + http_msg.chunk_ptr] |
977 | mov edi, [ebp + http_msg.chunk_ptr] |
973 | rep movsb |
978 | rep movsb |
974 | ; Update chunk ptr to point to next chunk |
979 | ; Update chunk ptr to point to next chunk |
975 | add [ebp + http_msg.chunk_ptr], ebx |
980 | add [ebp + http_msg.chunk_ptr], ebx |
976 | ; Set number of received bytes to 0, we already updated content_received |
981 | ; Set number of received bytes to 0, we already updated content_received |
977 | xor eax, eax |
982 | xor eax, eax |
978 | jmp .chunk_loop |
983 | jmp .chunk_loop |
979 | 984 | ||
980 | ;-------------------------------------------------------------- |
985 | ;-------------------------------------------------------------- |
981 | ; |
986 | ; |
982 | ; end of proc code begins here |
987 | ; end of proc code begins here |
983 | ; |
988 | ; |
984 | 989 | ||
985 | .header_parsed: |
990 | .header_parsed: |
986 | ; Header was already parsed and connection isnt chunked. |
991 | ; Header was already parsed and connection isnt chunked. |
987 | ; Update content_received |
992 | ; Update content_received |
988 | add [ebp + http_msg.content_received], eax |
993 | add [ebp + http_msg.content_received], eax |
989 | ; If we received content-length parameter, check if we received all the data |
994 | ; If we received content-length parameter, check if we received all the data |
990 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
995 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
991 | jz @f |
996 | jz @f |
992 | mov eax, [ebp + http_msg.content_received] |
997 | mov eax, [ebp + http_msg.content_received] |
993 | cmp eax, [ebp + http_msg.content_length] |
998 | cmp eax, [ebp + http_msg.content_length] |
994 | jae .got_all_data |
999 | jae .got_all_data |
995 | @@: |
1000 | @@: |
996 | cmp [ebp + http_msg.buffer_length], 0 |
1001 | cmp [ebp + http_msg.buffer_length], 0 |
997 | je .buffer_full |
1002 | je .buffer_full |
998 | ; Need more data |
1003 | ; Need more data |
999 | popa |
1004 | popa |
1000 | xor eax, eax |
1005 | xor eax, eax |
1001 | dec eax |
1006 | dec eax |
1002 | ret |
1007 | ret |
1003 | 1008 | ||
1004 | .buffer_full: |
1009 | .buffer_full: |
1005 | test [ebp + http_msg.flags], FLAG_STREAM |
1010 | test [ebp + http_msg.flags], FLAG_STREAM |
1006 | jnz .multibuff |
1011 | jnz .multibuff |
1007 | mov eax, [ebp + http_msg.write_ptr] |
1012 | mov eax, [ebp + http_msg.write_ptr] |
1008 | add eax, BUFFERSIZE |
1013 | add eax, BUFFERSIZE |
1009 | sub eax, [ebp + http_msg.content_ptr] |
1014 | sub eax, [ebp + http_msg.content_ptr] |
1010 | invoke mem.realloc, [ebp + http_msg.content_ptr], eax |
1015 | invoke mem.realloc, [ebp + http_msg.content_ptr], eax |
1011 | or eax, eax |
1016 | or eax, eax |
1012 | jz .err_no_ram |
1017 | jz .err_no_ram |
1013 | call recalculate_pointers |
1018 | call recalculate_pointers |
1014 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
1019 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
1015 | ; Need more data |
1020 | ; Need more data |
1016 | popa |
1021 | popa |
1017 | xor eax, eax |
1022 | xor eax, eax |
1018 | dec eax |
1023 | dec eax |
1019 | ret |
1024 | ret |
1020 | 1025 | ||
1021 | .multibuff: |
1026 | .multibuff: |
1022 | ; This buffer is full |
1027 | ; This buffer is full |
1023 | popa |
1028 | popa |
1024 | xor eax, eax |
1029 | xor eax, eax |
1025 | ret |
1030 | ret |
1026 | 1031 | ||
1027 | .need_more_data_for_header: |
1032 | .need_more_data_for_header: |
1028 | cmp [ebp + http_msg.buffer_length], 0 |
1033 | cmp [ebp + http_msg.buffer_length], 0 |
1029 | je .err_header ; It's just too damn long! |
1034 | je .err_header ; It's just too damn long! |
1030 | ; Need more data |
1035 | ; Need more data |
1031 | popa |
1036 | popa |
1032 | xor eax, eax |
1037 | xor eax, eax |
1033 | dec eax |
1038 | dec eax |
1034 | ret |
1039 | ret |
1035 | 1040 | ||
1036 | .need_more_data_chunked: |
1041 | .need_more_data_chunked: |
1037 | ; We only got a partial chunk, or need more chunks, update content_received and request more data |
1042 | ; We only got a partial chunk, or need more chunks, update content_received and request more data |
1038 | add [ebp + http_msg.content_received], eax |
1043 | add [ebp + http_msg.content_received], eax |
1039 | popa |
1044 | popa |
1040 | xor eax, eax |
1045 | xor eax, eax |
1041 | dec eax |
1046 | dec eax |
1042 | ret |
1047 | ret |
1043 | 1048 | ||
1044 | .got_all_data_chunked: |
1049 | .got_all_data_chunked: |
1045 | ; Woohoo, we got all the chunked data, calculate total number of bytes received. |
1050 | ; Woohoo, we got all the chunked data, calculate total number of bytes received. |
1046 | mov eax, [ebp + http_msg.chunk_ptr] |
1051 | mov eax, [ebp + http_msg.chunk_ptr] |
1047 | sub eax, [ebp + http_msg.content_ptr] |
1052 | sub eax, [ebp + http_msg.content_ptr] |
1048 | mov [ebp + http_msg.content_length], eax |
1053 | mov [ebp + http_msg.content_length], eax |
1049 | mov [ebp + http_msg.content_received], eax |
1054 | mov [ebp + http_msg.content_received], eax |
1050 | .got_all_data: |
1055 | .got_all_data: |
1051 | DEBUGF 1, "We got all the data! (%u bytes)\n", [ebp + http_msg.content_received] |
1056 | DEBUGF 1, "We got all the data! (%u bytes)\n", [ebp + http_msg.content_received] |
1052 | or [ebp + http_msg.flags], FLAG_GOT_ALL_DATA |
1057 | or [ebp + http_msg.flags], FLAG_GOT_ALL_DATA |
1053 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
1058 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
1054 | mcall close, [ebp + http_msg.socket] |
1059 | mcall close, [ebp + http_msg.socket] |
1055 | popa |
1060 | popa |
1056 | xor eax, eax |
1061 | xor eax, eax |
1057 | ret |
1062 | ret |
1058 | 1063 | ||
1059 | ;-------------------------------------------------------------- |
1064 | ;-------------------------------------------------------------- |
1060 | ; |
1065 | ; |
1061 | ; error handeling code begins here |
1066 | ; error handeling code begins here |
1062 | ; |
1067 | ; |
1063 | 1068 | ||
1064 | .check_socket: |
1069 | .check_socket: |
1065 | cmp ebx, EWOULDBLOCK |
1070 | cmp ebx, EWOULDBLOCK |
1066 | jne .err_socket |
1071 | jne .err_socket |
1067 | mcall 26, 9 |
1072 | mcall 26, 9 |
1068 | sub eax, [ebp + http_msg.timestamp] |
1073 | sub eax, [ebp + http_msg.timestamp] |
1069 | cmp eax, TIMEOUT |
1074 | cmp eax, TIMEOUT |
1070 | ja .err_timeout |
1075 | ja .err_timeout |
1071 | ; Need more data |
1076 | ; Need more data |
1072 | popa |
1077 | popa |
1073 | xor eax, eax |
1078 | xor eax, eax |
1074 | dec eax |
1079 | dec eax |
1075 | ret |
1080 | ret |
1076 | 1081 | ||
1077 | .server_closed: |
1082 | .server_closed: |
1078 | DEBUGF 1, "server closed connection, transfer complete?\n" |
1083 | DEBUGF 1, "server closed connection, transfer complete?\n" |
1079 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
1084 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
1080 | jz .err_server_closed |
1085 | jz .err_server_closed |
1081 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
1086 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
1082 | jz .got_all_data |
1087 | jz .got_all_data |
1083 | .err_server_closed: |
1088 | .err_server_closed: |
1084 | pop eax |
1089 | pop eax |
1085 | DEBUGF 1, "ERROR: server closed connection unexpectedly\n" |
1090 | DEBUGF 2, "ERROR: server closed connection unexpectedly\n" |
1086 | or [ebp + http_msg.flags], FLAG_TRANSFER_FAILED |
1091 | or [ebp + http_msg.flags], FLAG_TRANSFER_FAILED |
1087 | jmp .abort |
1092 | jmp .abort |
1088 | 1093 | ||
1089 | .err_header: |
1094 | .err_header: |
1090 | pop eax |
1095 | pop eax |
1091 | DEBUGF 1, "ERROR: invalid header\n" |
1096 | DEBUGF 2, "ERROR: invalid header\n" |
1092 | or [ebp + http_msg.flags], FLAG_INVALID_HEADER |
1097 | or [ebp + http_msg.flags], FLAG_INVALID_HEADER |
1093 | jmp .abort |
1098 | jmp .abort |
1094 | 1099 | ||
1095 | .err_no_ram: |
1100 | .err_no_ram: |
1096 | DEBUGF 1, "ERROR: out of RAM\n" |
1101 | DEBUGF 2, "ERROR: out of RAM\n" |
1097 | or [ebp + http_msg.flags], FLAG_NO_RAM |
1102 | or [ebp + http_msg.flags], FLAG_NO_RAM |
1098 | jmp .abort |
1103 | jmp .abort |
1099 | 1104 | ||
1100 | .err_timeout: |
1105 | .err_timeout: |
1101 | DEBUGF 1, "ERROR: timeout\n" |
1106 | DEBUGF 2, "ERROR: timeout\n" |
1102 | or [ebp + http_msg.flags], FLAG_TIMEOUT_ERROR |
1107 | or [ebp + http_msg.flags], FLAG_TIMEOUT_ERROR |
1103 | jmp .abort |
1108 | jmp .abort |
1104 | 1109 | ||
1105 | .err_socket: |
1110 | .err_socket: |
1106 | DEBUGF 1, "ERROR: socket error %u\n", ebx |
1111 | DEBUGF 2, "ERROR: socket error %u\n", ebx |
1107 | or [ebp + http_msg.flags], FLAG_SOCKET_ERROR |
1112 | or [ebp + http_msg.flags], FLAG_SOCKET_ERROR |
1108 | .abort: |
1113 | .abort: |
1109 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
1114 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
1110 | mcall close, [ebp + http_msg.socket] |
1115 | mcall close, [ebp + http_msg.socket] |
1111 | .connection_closed: |
1116 | .connection_closed: |
1112 | popa |
1117 | popa |
1113 | xor eax, eax |
1118 | xor eax, eax |
1114 | ret |
1119 | ret |
1115 | 1120 | ||
1116 | endp |
1121 | endp |
1117 | 1122 | ||
1118 | 1123 | ||
1119 | alloc_contentbuff: |
1124 | alloc_contentbuff: |
1120 | 1125 | ||
1121 | test [ebp + http_msg.flags], FLAG_STREAM |
1126 | test [ebp + http_msg.flags], FLAG_STREAM |
1122 | jz @f |
1127 | jz @f |
1123 | mov edx, BUFFERSIZE |
1128 | mov edx, BUFFERSIZE |
1124 | @@: |
1129 | @@: |
1125 | 1130 | ||
1126 | ; Allocate content buffer |
1131 | ; Allocate content buffer |
1127 | invoke mem.alloc, edx |
1132 | invoke mem.alloc, edx |
1128 | or eax, eax |
1133 | or eax, eax |
1129 | jz .no_ram |
1134 | jz .no_ram |
1130 | 1135 | ||
1131 | DEBUGF 1, "Content buffer allocated: 0x%x\n", eax |
1136 | DEBUGF 1, "Content buffer allocated: 0x%x\n", eax |
1132 | 1137 | ||
1133 | ; Copy already received content into content buffer |
1138 | ; Copy already received content into content buffer |
1134 | mov edi, eax |
1139 | mov edi, eax |
1135 | lea esi, [ebp + http_msg.http_header] |
1140 | lea esi, [ebp + http_msg.http_header] |
1136 | add esi, [ebp + http_msg.header_length] |
1141 | add esi, [ebp + http_msg.header_length] |
1137 | mov ecx, [ebp + http_msg.write_ptr] |
1142 | mov ecx, [ebp + http_msg.write_ptr] |
1138 | sub ecx, esi |
1143 | sub ecx, esi |
1139 | mov ebx, ecx |
1144 | mov ebx, ecx |
1140 | rep movsb |
1145 | rep movsb |
1141 | 1146 | ||
1142 | ; Update pointers to point to new buffer |
1147 | ; Update pointers to point to new buffer |
1143 | mov [ebp + http_msg.content_ptr], eax |
1148 | mov [ebp + http_msg.content_ptr], eax |
1144 | mov [ebp + http_msg.content_received], ebx |
1149 | mov [ebp + http_msg.content_received], ebx |
1145 | sub edx, ebx |
1150 | sub edx, ebx |
1146 | mov [ebp + http_msg.buffer_length], edx |
1151 | mov [ebp + http_msg.buffer_length], edx |
1147 | add eax, ebx |
1152 | add eax, ebx |
1148 | mov [ebp + http_msg.write_ptr], eax |
1153 | mov [ebp + http_msg.write_ptr], eax |
1149 | 1154 | ||
1150 | ; Shrink header buffer |
1155 | ; Shrink header buffer |
1151 | mov eax, http_msg.http_header |
1156 | mov eax, http_msg.http_header |
1152 | add eax, [ebp + http_msg.header_length] |
1157 | add eax, [ebp + http_msg.header_length] |
1153 | invoke mem.realloc, ebp, eax |
1158 | invoke mem.realloc, ebp, eax |
1154 | or eax, eax |
1159 | or eax, eax |
1155 | .no_ram: |
1160 | .no_ram: |
1156 | 1161 | ||
1157 | ret |
1162 | ret |
1158 | 1163 | ||
1159 | 1164 | ||
1160 | 1165 | ||
1161 | recalculate_pointers: |
1166 | recalculate_pointers: |
1162 | 1167 | ||
1163 | sub eax, [ebp + http_msg.content_ptr] |
1168 | sub eax, [ebp + http_msg.content_ptr] |
1164 | jz .done |
1169 | jz .done |
1165 | add [ebp + http_msg.content_ptr], eax |
1170 | add [ebp + http_msg.content_ptr], eax |
1166 | add [ebp + http_msg.write_ptr], eax |
1171 | add [ebp + http_msg.write_ptr], eax |
1167 | add [ebp + http_msg.chunk_ptr], eax |
1172 | add [ebp + http_msg.chunk_ptr], eax |
1168 | 1173 | ||
1169 | .done: |
1174 | .done: |
1170 | ret |
1175 | ret |
1171 | 1176 | ||
1172 | 1177 | ||
1173 | 1178 | ||
1174 | ;;================================================================================================;; |
1179 | ;;================================================================================================;; |
1175 | proc HTTP_send identifier, dataptr, datalength ;//////////////////////////////////////////////////;; |
1180 | proc HTTP_send identifier, dataptr, datalength ;//////////////////////////////////////////////////;; |
1176 | ;;------------------------------------------------------------------------------------------------;; |
1181 | ;;------------------------------------------------------------------------------------------------;; |
1177 | ;? Send data to the server ;; |
1182 | ;? Send data to the server ;; |
1178 | ;;------------------------------------------------------------------------------------------------;; |
1183 | ;;------------------------------------------------------------------------------------------------;; |
1179 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
1184 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
1180 | ;> dataptr = pointer to data to be sent. ;; |
1185 | ;> dataptr = pointer to data to be sent. ;; |
1181 | ;> datalength = length of data (in bytes) to be sent ;; |
1186 | ;> datalength = length of data (in bytes) to be sent ;; |
1182 | ;;------------------------------------------------------------------------------------------------;; |
1187 | ;;------------------------------------------------------------------------------------------------;; |
1183 | ;< eax = number of bytes sent, -1 on error ;; |
1188 | ;< eax = number of bytes sent, -1 on error ;; |
1184 | ;;================================================================================================;; |
1189 | ;;================================================================================================;; |
1185 | 1190 | ||
1186 | push ebx ecx edx esi edi |
1191 | push ebx ecx edx esi edi |
1187 | mov edx, [identifier] |
1192 | mov edx, [identifier] |
1188 | test [edx + http_msg.flags], FLAG_CONNECTED |
1193 | test [edx + http_msg.flags], FLAG_CONNECTED |
1189 | jz .fail |
1194 | jz .fail |
1190 | mcall send, [edx + http_msg.socket], [dataptr], [datalength], 0 |
1195 | mcall send, [edx + http_msg.socket], [dataptr], [datalength], 0 |
1191 | pop edi esi edx ecx ebx |
1196 | pop edi esi edx ecx ebx |
1192 | ret |
1197 | ret |
1193 | 1198 | ||
1194 | .fail: |
1199 | .fail: |
1195 | pop edi esi edx ecx ebx |
1200 | pop edi esi edx ecx ebx |
1196 | xor eax, eax |
1201 | xor eax, eax |
1197 | dec eax |
1202 | dec eax |
1198 | ret |
1203 | ret |
1199 | 1204 | ||
1200 | endp |
1205 | endp |
1201 | 1206 | ||
1202 | 1207 | ||
1203 | ;;================================================================================================;; |
1208 | ;;================================================================================================;; |
1204 | proc HTTP_find_header_field identifier, headername ;//////////////////////////////////////////////;; |
1209 | proc HTTP_find_header_field identifier, headername ;//////////////////////////////////////////////;; |
1205 | ;;------------------------------------------------------------------------------------------------;; |
1210 | ;;------------------------------------------------------------------------------------------------;; |
1206 | ;? Find a header field in the received HTTP header ;; |
1211 | ;? Find a header field in the received HTTP header ;; |
1207 | ;? ;; |
1212 | ;? ;; |
1208 | ;? NOTE: this function returns a pointer which points into the original header data. ;; |
1213 | ;? NOTE: this function returns a pointer which points into the original header data. ;; |
1209 | ;? The header field is terminated by a CR, LF, space or maybe even tab. ;; |
1214 | ;? The header field is terminated by a CR, LF, space or maybe even tab. ;; |
1210 | ;? A free operation should not be operated on this pointer! ;; |
1215 | ;? A free operation should not be operated on this pointer! ;; |
1211 | ;;------------------------------------------------------------------------------------------------;; |
1216 | ;;------------------------------------------------------------------------------------------------;; |
1212 | ;> identifier = ptr to http_msg struct ;; |
1217 | ;> identifier = ptr to http_msg struct ;; |
1213 | ;> headername = ptr to ASCIIZ string containing field you want to find (must be in lowercase) ;; |
1218 | ;> headername = ptr to ASCIIZ string containing field you want to find (must be in lowercase) ;; |
1214 | ;;------------------------------------------------------------------------------------------------;; |
1219 | ;;------------------------------------------------------------------------------------------------;; |
1215 | ;< eax = 0 (error) / ptr to content of the HTTP header field ;; |
1220 | ;< eax = 0 (error) / ptr to content of the HTTP header field ;; |
1216 | ;;================================================================================================;; |
1221 | ;;================================================================================================;; |
1217 | push ebx ecx edx esi edi |
1222 | push ebx ecx edx esi edi |
1218 | 1223 | ||
1219 | DEBUGF 1, "Find header field: %s\n", [headername] |
1224 | DEBUGF 1, "Find header field: %s\n", [headername] |
1220 | 1225 | ||
1221 | mov ebx, [identifier] |
1226 | mov ebx, [identifier] |
1222 | test [ebx + http_msg.flags], FLAG_GOT_HEADER |
1227 | test [ebx + http_msg.flags], FLAG_GOT_HEADER |
1223 | jz .fail |
1228 | jz .fail |
1224 | 1229 | ||
1225 | lea edx, [ebx + http_msg.http_header] |
1230 | lea edx, [ebx + http_msg.http_header] |
1226 | mov ecx, edx |
1231 | mov ecx, edx |
1227 | add ecx, [ebx + http_msg.header_length] |
1232 | add ecx, [ebx + http_msg.header_length] |
1228 | 1233 | ||
1229 | .restart: |
1234 | .restart: |
1230 | mov esi, [headername] |
1235 | mov esi, [headername] |
1231 | mov edi, edx |
1236 | mov edi, edx |
1232 | .loop: |
1237 | .loop: |
1233 | cmp edi, ecx |
1238 | cmp edi, ecx |
1234 | jae .fail |
1239 | jae .fail |
1235 | lodsb |
1240 | lodsb |
1236 | scasb |
1241 | scasb |
1237 | je .loop |
1242 | je .loop |
1238 | test al, al |
1243 | test al, al |
1239 | jz .done? |
1244 | jz .done? |
1240 | .next: |
1245 | .next: |
1241 | inc edx |
1246 | inc edx |
1242 | jmp .restart |
1247 | jmp .restart |
1243 | 1248 | ||
1244 | .not_done: |
1249 | .not_done: |
1245 | inc edi |
1250 | inc edi |
1246 | .done?: |
1251 | .done?: |
1247 | cmp byte[edi-1], ':' |
1252 | cmp byte[edi-1], ':' |
1248 | je .almost_done |
1253 | je .almost_done |
1249 | cmp byte[edi-1], ' ' |
1254 | cmp byte[edi-1], ' ' |
1250 | je .not_done |
1255 | je .not_done |
1251 | cmp byte[edi-1], 9 ; tab |
1256 | cmp byte[edi-1], 9 ; tab |
1252 | je .not_done |
1257 | je .not_done |
1253 | 1258 | ||
1254 | jmp .next |
1259 | jmp .next |
1255 | 1260 | ||
1256 | .almost_done: ; FIXME: buffer overflow? |
1261 | .almost_done: ; FIXME: buffer overflow? |
1257 | dec edi |
1262 | dec edi |
1258 | DEBUGF 1, "Found header field\n" |
1263 | DEBUGF 1, "Found header field\n" |
1259 | .spaceloop: |
1264 | .spaceloop: |
1260 | inc edi |
1265 | inc edi |
1261 | cmp byte[edi], ' ' |
1266 | cmp byte[edi], ' ' |
1262 | je .spaceloop |
1267 | je .spaceloop |
1263 | cmp byte[edi], 9 ; tab |
1268 | cmp byte[edi], 9 ; tab |
1264 | je .spaceloop |
1269 | je .spaceloop |
1265 | 1270 | ||
1266 | mov eax, edi |
1271 | mov eax, edi |
1267 | pop edi esi edx ecx ebx |
1272 | pop edi esi edx ecx ebx |
1268 | ret |
1273 | ret |
1269 | 1274 | ||
1270 | .fail: |
1275 | .fail: |
1271 | DEBUGF 1, "Header field not found\n" |
1276 | DEBUGF 2, "Header field not found\n" |
1272 | pop edi esi edx ecx ebx |
1277 | pop edi esi edx ecx ebx |
1273 | xor eax, eax |
1278 | xor eax, eax |
1274 | ret |
1279 | ret |
1275 | 1280 | ||
1276 | endp |
1281 | endp |
1277 | 1282 | ||
1278 | 1283 | ||
1279 | 1284 | ||
1280 | ;;================================================================================================;; |
1285 | ;;================================================================================================;; |
1281 | proc HTTP_escape URI, length ;////////////////////////////////////////////////////////////////////;; |
1286 | proc HTTP_escape URI, length ;////////////////////////////////////////////////////////////////////;; |
1282 | ;;------------------------------------------------------------------------------------------------;; |
1287 | ;;------------------------------------------------------------------------------------------------;; |
1283 | ;? ;; |
1288 | ;? ;; |
1284 | ;;------------------------------------------------------------------------------------------------;; |
1289 | ;;------------------------------------------------------------------------------------------------;; |
1285 | ;> URI = ptr to ASCIIZ URI/data ;; |
1290 | ;> URI = ptr to ASCIIZ URI/data ;; |
1286 | ;> length = length of URI/data ;; |
1291 | ;> length = length of URI/data ;; |
1287 | ;;------------------------------------------------------------------------------------------------;; |
1292 | ;;------------------------------------------------------------------------------------------------;; |
1288 | ;< eax = 0 (error) / ptr to ASCIIZ URI/data ;; |
1293 | ;< eax = 0 (error) / ptr to ASCIIZ URI/data ;; |
1289 | ;< ebx = length of escaped URI/data ;; |
1294 | ;< ebx = length of escaped URI/data ;; |
1290 | ;;================================================================================================;; |
1295 | ;;================================================================================================;; |
1291 | 1296 | ||
1292 | DEBUGF 1, "HTTP_escape: %s\n", [URI] |
1297 | DEBUGF 1, "HTTP_escape: %s\n", [URI] |
1293 | 1298 | ||
1294 | pusha |
1299 | pusha |
1295 | 1300 | ||
1296 | invoke mem.alloc, URLMAXLEN ; FIXME: use length provided by caller to guess final size. |
1301 | invoke mem.alloc, URLMAXLEN ; FIXME: use length provided by caller to guess final size. |
1297 | test eax, eax |
1302 | test eax, eax |
1298 | jz .error |
1303 | jz .error |
1299 | mov [esp + 7 * 4], eax ; return ptr in eax |
1304 | mov [esp + 7 * 4], eax ; return ptr in eax |
1300 | mov esi, [URI] |
1305 | mov esi, [URI] |
1301 | mov edi, eax |
1306 | mov edi, eax |
1302 | xor ebx, ebx |
1307 | xor ebx, ebx |
1303 | xor ecx, ecx |
1308 | xor ecx, ecx |
1304 | .loop: |
1309 | .loop: |
1305 | lodsb |
1310 | lodsb |
1306 | test al, al |
1311 | test al, al |
1307 | jz .done |
1312 | jz .done |
1308 | 1313 | ||
1309 | mov cl, al |
1314 | mov cl, al |
1310 | and cl, 0x1f |
1315 | and cl, 0x1f |
1311 | mov bl, al |
1316 | mov bl, al |
1312 | shr bl, 3 |
1317 | shr bl, 3 |
1313 | and bl, not 3 |
1318 | and bl, not 3 |
1314 | bt dword[bits_must_escape + ebx], ecx |
1319 | bt dword[bits_must_escape + ebx], ecx |
1315 | jc .escape |
1320 | jc .escape |
1316 | 1321 | ||
1317 | stosb |
1322 | stosb |
1318 | jmp .loop |
1323 | jmp .loop |
1319 | 1324 | ||
1320 | .escape: |
1325 | .escape: |
1321 | mov al, '%' |
1326 | mov al, '%' |
1322 | stosb |
1327 | stosb |
1323 | mov bl, byte[esi-1] |
1328 | mov bl, byte[esi-1] |
1324 | shr bl, 4 |
1329 | shr bl, 4 |
1325 | mov al, byte[str_hex + ebx] |
1330 | mov al, byte[str_hex + ebx] |
1326 | stosb |
1331 | stosb |
1327 | mov bl, byte[esi-1] |
1332 | mov bl, byte[esi-1] |
1328 | and bl, 0x0f |
1333 | and bl, 0x0f |
1329 | mov al, byte[str_hex + ebx] |
1334 | mov al, byte[str_hex + ebx] |
1330 | stosb |
1335 | stosb |
1331 | jmp .loop |
1336 | jmp .loop |
1332 | 1337 | ||
1333 | 1338 | ||
1334 | .done: |
1339 | .done: |
1335 | stosb |
1340 | stosb |
1336 | sub edi, [esp + 7 * 4] |
1341 | sub edi, [esp + 7 * 4] |
1337 | dec edi |
1342 | dec edi |
1338 | mov [esp + 4 * 4], edi |
1343 | mov [esp + 4 * 4], edi |
1339 | 1344 | ||
1340 | popa |
1345 | popa |
1341 | DEBUGF 1, "escaped URL: %s\n", eax |
1346 | DEBUGF 1, "escaped URL: %s\n", eax |
1342 | ret |
1347 | ret |
1343 | 1348 | ||
1344 | .error: |
1349 | .error: |
1345 | DEBUGF 1, "ERROR: out of RAM!\n" |
1350 | DEBUGF 2, "ERROR: out of RAM!\n" |
1346 | popa |
1351 | popa |
1347 | xor eax, eax |
1352 | xor eax, eax |
1348 | ret |
1353 | ret |
1349 | 1354 | ||
1350 | endp |
1355 | endp |
1351 | 1356 | ||
1352 | 1357 | ||
1353 | 1358 | ||
1354 | ;;================================================================================================;; |
1359 | ;;================================================================================================;; |
1355 | proc HTTP_unescape URI, length ;//////////////////////////////////////////////////////////////////;; |
1360 | proc HTTP_unescape URI, length ;//////////////////////////////////////////////////////////////////;; |
1356 | ;;------------------------------------------------------------------------------------------------;; |
1361 | ;;------------------------------------------------------------------------------------------------;; |
1357 | ;? ;; |
1362 | ;? ;; |
1358 | ;;------------------------------------------------------------------------------------------------;; |
1363 | ;;------------------------------------------------------------------------------------------------;; |
1359 | ;> URI = ptr to ASCIIZ URI ;; |
1364 | ;> URI = ptr to ASCIIZ URI ;; |
1360 | ;;------------------------------------------------------------------------------------------------;; |
1365 | ;;------------------------------------------------------------------------------------------------;; |
1361 | ;< eax = 0 (error) / ptr to ASCIIZ URI ;; |
1366 | ;< eax = 0 (error) / ptr to ASCIIZ URI ;; |
1362 | ;;================================================================================================;; |
1367 | ;;================================================================================================;; |
1363 | 1368 | ||
1364 | DEBUGF 1, "HTTP_unescape: %s\n", [URI] |
1369 | DEBUGF 1, "HTTP_unescape: %s\n", [URI] |
1365 | pusha |
1370 | pusha |
1366 | 1371 | ||
1367 | invoke mem.alloc, URLMAXLEN ; FIXME: use length provided by caller |
1372 | invoke mem.alloc, URLMAXLEN ; FIXME: use length provided by caller |
1368 | test eax, eax |
1373 | test eax, eax |
1369 | jz .error |
1374 | jz .error |
1370 | mov [esp + 7 * 4], eax ; return ptr in eax |
1375 | mov [esp + 7 * 4], eax ; return ptr in eax |
1371 | mov esi, [URI] |
1376 | mov esi, [URI] |
1372 | mov edi, eax |
1377 | mov edi, eax |
1373 | .loop: |
1378 | .loop: |
1374 | lodsb |
1379 | lodsb |
1375 | test al, al |
1380 | test al, al |
1376 | jz .done |
1381 | jz .done |
1377 | cmp al, '%' |
1382 | cmp al, '%' |
1378 | je .unescape |
1383 | je .unescape |
1379 | stosb |
1384 | stosb |
1380 | jmp .loop |
1385 | jmp .loop |
1381 | 1386 | ||
1382 | .unescape: |
1387 | .unescape: |
1383 | xor ebx, ebx |
1388 | xor ebx, ebx |
1384 | xor ecx, ecx |
1389 | xor ecx, ecx |
1385 | .unescape_nibble: |
1390 | .unescape_nibble: |
1386 | lodsb |
1391 | lodsb |
1387 | sub al, '0' |
1392 | sub al, '0' |
1388 | jb .fail |
1393 | jb .fail |
1389 | cmp al, 9 |
1394 | cmp al, 9 |
1390 | jbe .nibble_ok |
1395 | jbe .nibble_ok |
1391 | sub al, 'A' - '0' - 10 |
1396 | sub al, 'A' - '0' - 10 |
1392 | jb .fail |
1397 | jb .fail |
1393 | cmp al, 15 |
1398 | cmp al, 15 |
1394 | jbe .nibble_ok |
1399 | jbe .nibble_ok |
1395 | sub al, 'a' - 'A' |
1400 | sub al, 'a' - 'A' |
1396 | cmp al, 15 |
1401 | cmp al, 15 |
1397 | ja .fail |
1402 | ja .fail |
1398 | .nibble_ok: |
1403 | .nibble_ok: |
1399 | shl bl, 8 |
1404 | shl bl, 8 |
1400 | or bl, al |
1405 | or bl, al |
1401 | dec ecx |
1406 | dec ecx |
1402 | jc .unescape_nibble |
1407 | jc .unescape_nibble |
1403 | mov al, bl |
1408 | mov al, bl |
1404 | stosb |
1409 | stosb |
1405 | jmp .loop |
1410 | jmp .loop |
1406 | 1411 | ||
1407 | .fail: |
1412 | .fail: |
1408 | DEBUGF 1, "ERROR: invalid URI!\n" |
1413 | DEBUGF 2, "ERROR: invalid URI!\n" |
1409 | jmp .loop |
1414 | jmp .loop |
1410 | 1415 | ||
1411 | .done: |
1416 | .done: |
1412 | stosb |
1417 | stosb |
1413 | popa |
1418 | popa |
1414 | DEBUGF 1, "unescaped URL: %s\n", eax |
1419 | DEBUGF 1, "unescaped URL: %s\n", eax |
1415 | ret |
1420 | ret |
1416 | 1421 | ||
1417 | .error: |
1422 | .error: |
1418 | DEBUGF 1, "ERROR: out of RAM!\n" |
1423 | DEBUGF 2, "ERROR: out of RAM!\n" |
1419 | popa |
1424 | popa |
1420 | xor eax, eax |
1425 | xor eax, eax |
1421 | ret |
1426 | ret |
1422 | 1427 | ||
1423 | endp |
1428 | endp |
1424 | 1429 | ||
1425 | 1430 | ||
1426 | 1431 | ||
1427 | 1432 | ||
1428 | 1433 | ||
1429 | ;;================================================================================================;; |
1434 | ;;================================================================================================;; |
1430 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1435 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1431 | ;;================================================================================================;; |
1436 | ;;================================================================================================;; |
1432 | ;! Internal procedures section ;; |
1437 | ;! Internal procedures section ;; |
1433 | ;; ;; |
1438 | ;; ;; |
1434 | ;; NOTICE: These procedures do not follow stdcall conventions and thus may destroy any register. ;; |
1439 | ;; NOTICE: These procedures do not follow stdcall conventions and thus may destroy any register. ;; |
1435 | ;;================================================================================================;; |
1440 | ;;================================================================================================;; |
1436 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1441 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1437 | ;;================================================================================================;; |
1442 | ;;================================================================================================;; |
1438 | 1443 | ||
1439 | 1444 | ||
1440 | 1445 | ||
1441 | 1446 | ||
1442 | ;;================================================================================================;; |
1447 | ;;================================================================================================;; |
1443 | proc open_connection hostname, port ;/////////////////////////////////////////////////////////////;; |
1448 | proc open_connection hostname, port ;/////////////////////////////////////////////////////////////;; |
1444 | ;;------------------------------------------------------------------------------------------------;; |
1449 | ;;------------------------------------------------------------------------------------------------;; |
1445 | ;? Connects to a HTTP server ;; |
1450 | ;? Connects to a HTTP server ;; |
1446 | ;;------------------------------------------------------------------------------------------------;; |
1451 | ;;------------------------------------------------------------------------------------------------;; |
1447 | ;> hostname = ptr to ASCIIZ hostname ;; |
1452 | ;> hostname = ptr to ASCIIZ hostname ;; |
1448 | ;> port = port (x86 byte order) ;; |
1453 | ;> port = port (x86 byte order) ;; |
1449 | ;;------------------------------------------------------------------------------------------------;; |
1454 | ;;------------------------------------------------------------------------------------------------;; |
1450 | ;< eax = 0 (error) / socketnum ;; |
1455 | ;< eax = 0 (error) / socketnum ;; |
1451 | ;;================================================================================================;; |
1456 | ;;================================================================================================;; |
1452 | 1457 | ||
1453 | locals |
1458 | locals |
1454 | sockaddr dd ? |
1459 | sockaddr dd ? |
1455 | socketnum dd ? |
1460 | socketnum dd ? |
1456 | endl |
1461 | endl |
1457 | 1462 | ||
1458 | cmp [proxyAddr], 0 |
1463 | cmp [proxyAddr], 0 |
1459 | je .no_proxy |
1464 | je .no_proxy |
1460 | 1465 | ||
1461 | mov [hostname], proxyAddr |
1466 | mov [hostname], proxyAddr |
1462 | 1467 | ||
1463 | push [proxyPort] |
1468 | push [proxyPort] |
1464 | pop [port] |
1469 | pop [port] |
1465 | .no_proxy: |
1470 | .no_proxy: |
1466 | 1471 | ||
1467 | ; Resolve the hostname |
1472 | ; Resolve the hostname |
1468 | DEBUGF 1, "Resolving hostname\n" |
1473 | DEBUGF 1, "Resolving hostname\n" |
1469 | push esp ; reserve stack place |
1474 | push esp ; reserve stack place |
1470 | push esp ; fourth parameter |
1475 | push esp ; fourth parameter |
1471 | push 0 ; third parameter |
1476 | push 0 ; third parameter |
1472 | push 0 ; second parameter |
1477 | push 0 ; second parameter |
1473 | push [hostname] |
1478 | push [hostname] |
1474 | call [getaddrinfo] |
1479 | call [getaddrinfo] |
1475 | pop esi |
1480 | pop esi |
1476 | test eax, eax |
1481 | test eax, eax |
1477 | jnz .error1 |
1482 | jnz .error1 |
1478 | 1483 | ||
1479 | ; getaddrinfo returns addrinfo struct, make the pointer to sockaddr struct |
1484 | ; getaddrinfo returns addrinfo struct, make the pointer to sockaddr struct |
1480 | mov esi, [esi + addrinfo.ai_addr] |
1485 | mov esi, [esi + addrinfo.ai_addr] |
1481 | mov [sockaddr], esi |
1486 | mov [sockaddr], esi |
1482 | mov eax, [esi + sockaddr_in.sin_addr] |
1487 | mov eax, [esi + sockaddr_in.sin_addr] |
1483 | test eax, eax |
1488 | test eax, eax |
1484 | jz .error2 |
1489 | jz .error2 |
1485 | 1490 | ||
1486 | DEBUGF 1, "Server ip=%u.%u.%u.%u\n", \ |
1491 | DEBUGF 1, "Server ip=%u.%u.%u.%u\n", \ |
1487 | [esi + sockaddr_in.sin_addr]:1, [esi + sockaddr_in.sin_addr + 1]:1, \ |
1492 | [esi + sockaddr_in.sin_addr]:1, [esi + sockaddr_in.sin_addr + 1]:1, \ |
1488 | [esi + sockaddr_in.sin_addr + 2]:1, [esi + sockaddr_in.sin_addr + 3]:1 |
1493 | [esi + sockaddr_in.sin_addr + 2]:1, [esi + sockaddr_in.sin_addr + 3]:1 |
1489 | 1494 | ||
1490 | mov [esi + sockaddr_in.sin_family], AF_INET4 |
1495 | mov [esi + sockaddr_in.sin_family], AF_INET4 |
1491 | mov eax, [port] |
1496 | mov eax, [port] |
1492 | xchg al, ah |
1497 | xchg al, ah |
1493 | mov [esi + sockaddr_in.sin_port], ax |
1498 | mov [esi + sockaddr_in.sin_port], ax |
1494 | 1499 | ||
1495 | ; Connect to the server. |
1500 | ; Connect to the server. |
1496 | mcall socket, AF_INET4, SOCK_STREAM, 0 |
1501 | mcall socket, AF_INET4, SOCK_STREAM, 0 |
1497 | test eax, eax |
1502 | test eax, eax |
1498 | jz .error2 |
1503 | jz .error2 |
1499 | mov [socketnum], eax |
1504 | mov [socketnum], eax |
1500 | DEBUGF 1, "Socket: 0x%x\n", eax |
1505 | DEBUGF 1, "Socket: 0x%x\n", eax |
1501 | 1506 | ||
1502 | mcall connect, [socketnum], [sockaddr], 18 |
1507 | mcall connect, [socketnum], [sockaddr], 18 |
1503 | test eax, eax |
1508 | test eax, eax |
1504 | jnz .error2 |
1509 | jnz .error2 |
1505 | DEBUGF 1, "Socket is now connected.\n" |
1510 | DEBUGF 1, "Socket is now connected.\n" |
1506 | 1511 | ||
1507 | ; free allocated memory |
1512 | ; free allocated memory |
1508 | push [sockaddr] |
1513 | push [sockaddr] |
1509 | call [freeaddrinfo] |
1514 | call [freeaddrinfo] |
1510 | 1515 | ||
1511 | mov eax, [socketnum] |
1516 | mov eax, [socketnum] |
1512 | ret |
1517 | ret |
1513 | 1518 | ||
1514 | .error2: |
1519 | .error2: |
1515 | 1520 | ||
1516 | ; free allocated memory |
1521 | ; free allocated memory |
1517 | push [sockaddr] |
1522 | push [sockaddr] |
1518 | call [freeaddrinfo] |
1523 | call [freeaddrinfo] |
1519 | 1524 | ||
1520 | .error1: |
1525 | .error1: |
1521 | xor eax, eax |
1526 | xor eax, eax |
1522 | ret |
1527 | ret |
1523 | 1528 | ||
1524 | endp |
1529 | endp |
1525 | 1530 | ||
1526 | 1531 | ||
1527 | ;;================================================================================================;; |
1532 | ;;================================================================================================;; |
1528 | proc parse_url URL ;//////////////////////////////////////////////////////////////////////////////;; |
1533 | proc parse_url URL ;//////////////////////////////////////////////////////////////////////////////;; |
1529 | ;;------------------------------------------------------------------------------------------------;; |
1534 | ;;------------------------------------------------------------------------------------------------;; |
1530 | ;? Split a given URL into hostname and pageaddr ;; |
1535 | ;? Split a given URL into hostname and pageaddr ;; |
1531 | ;;------------------------------------------------------------------------------------------------;; |
1536 | ;;------------------------------------------------------------------------------------------------;; |
1532 | ;> URL = ptr to ASCIIZ URL ;; |
1537 | ;> URL = ptr to ASCIIZ URL ;; |
1533 | ;;------------------------------------------------------------------------------------------------;; |
1538 | ;;------------------------------------------------------------------------------------------------;; |
1534 | ;< eax = 0 (error) / ptr to ASCIIZ hostname ;; |
1539 | ;< eax = 0 (error) / ptr to ASCIIZ hostname ;; |
1535 | ;< ebx = ptr to ASCIIZ pageaddr ;; |
1540 | ;< ebx = ptr to ASCIIZ pageaddr ;; |
1536 | ;< ecx = port number ;; |
1541 | ;< ecx = port number ;; |
1537 | ;;================================================================================================;; |
1542 | ;;================================================================================================;; |
1538 | 1543 | ||
1539 | locals |
1544 | locals |
1540 | urlsize dd ? |
1545 | urlsize dd ? |
1541 | hostname dd ? |
1546 | hostname dd ? |
1542 | pageaddr dd ? |
1547 | pageaddr dd ? |
1543 | port dd ? |
1548 | port dd ? |
1544 | endl |
1549 | endl |
1545 | 1550 | ||
1546 | DEBUGF 1, "parsing URL: %s\n", [URL] |
1551 | DEBUGF 1, "parsing URL: %s\n", [URL] |
1547 | 1552 | ||
1548 | ; remove any leading protocol text |
1553 | ; remove any leading protocol text |
1549 | mov edi, [URL] |
1554 | mov edi, [URL] |
1550 | mov ecx, URLMAXLEN |
1555 | mov ecx, URLMAXLEN |
1551 | mov ax, '//' |
1556 | mov ax, '//' |
1552 | .loop1: |
1557 | .loop1: |
1553 | cmp byte[edi], 0 ; end of URL? |
1558 | cmp byte[edi], 0 ; end of URL? |
1554 | je .url_ok ; yep, so not found |
1559 | je .url_ok ; yep, so not found |
1555 | cmp [edi], ax |
1560 | cmp [edi], ax |
1556 | je .skip_proto |
1561 | je .skip_proto |
1557 | inc edi |
1562 | inc edi |
1558 | dec ecx |
1563 | dec ecx |
1559 | jnz .loop1 |
1564 | jnz .loop1 |
1560 | jmp .invalid |
1565 | jmp .invalid |
1561 | 1566 | ||
1562 | .skip_proto: |
1567 | .skip_proto: |
1563 | inc edi ; skip the two '/' |
1568 | inc edi ; skip the two '/' |
1564 | inc edi |
1569 | inc edi |
1565 | mov [URL], edi ; update pointer so it skips protocol |
1570 | mov [URL], edi ; update pointer so it skips protocol |
1566 | 1571 | ||
1567 | ; Find the trailing 0 byte |
1572 | ; Find the trailing 0 byte |
1568 | xor al, al |
1573 | xor al, al |
1569 | repne scasb |
1574 | repne scasb |
1570 | jne .invalid ; ecx reached 0 before we reached end of string |
1575 | jne .invalid ; ecx reached 0 before we reached end of string |
1571 | 1576 | ||
1572 | .url_ok: |
1577 | .url_ok: |
1573 | sub edi, [URL] ; calculate total length of URL |
1578 | sub edi, [URL] ; calculate total length of URL |
1574 | mov [urlsize], edi |
1579 | mov [urlsize], edi |
1575 | 1580 | ||
1576 | ; now look for page delimiter - it's a '/' character |
1581 | ; now look for page delimiter - it's a '/' character |
1577 | mov ecx, edi ; URL length |
1582 | mov ecx, edi ; URL length |
1578 | mov edi, [URL] |
1583 | mov edi, [URL] |
1579 | mov al, '/' |
1584 | mov al, '/' |
1580 | repne scasb |
1585 | repne scasb |
1581 | jne @f |
1586 | jne @f |
1582 | dec edi ; return one char, '/' must be part of the pageaddr |
1587 | dec edi ; return one char, '/' must be part of the pageaddr |
1583 | inc ecx ; |
1588 | inc ecx ; |
1584 | @@: |
1589 | @@: |
1585 | push ecx edi ; remember the pointer and length of pageaddr |
1590 | push ecx edi ; remember the pointer and length of pageaddr |
1586 | 1591 | ||
1587 | 1592 | ||
1588 | ; Create new buffer and put hostname in it. |
1593 | ; Create new buffer and put hostname in it. |
1589 | mov ecx, edi |
1594 | mov ecx, edi |
1590 | sub ecx, [URL] |
1595 | sub ecx, [URL] |
1591 | inc ecx ; we will add a 0 byte at the end |
1596 | inc ecx ; we will add a 0 byte at the end |
1592 | invoke mem.alloc, ecx |
1597 | invoke mem.alloc, ecx |
1593 | or eax, eax |
1598 | or eax, eax |
1594 | jz .no_mem |
1599 | jz .no_mem |
1595 | 1600 | ||
1596 | mov [hostname], eax ; copy hostname to buffer |
1601 | mov [hostname], eax ; copy hostname to buffer |
1597 | mov edi, eax |
1602 | mov edi, eax |
1598 | mov esi, [URL] |
1603 | mov esi, [URL] |
1599 | dec ecx |
1604 | dec ecx |
1600 | rep movsb |
1605 | rep movsb |
1601 | xor al, al |
1606 | xor al, al |
1602 | stosb |
1607 | stosb |
1603 | 1608 | ||
1604 | ; Check if user provided a port, and convert it if so. |
1609 | ; Check if user provided a port, and convert it if so. |
1605 | mov esi, [hostname] |
1610 | mov esi, [hostname] |
1606 | mov [port], 80 ; default port if user didnt provide one |
1611 | mov [port], 80 ; default port if user didnt provide one |
1607 | .portloop: |
1612 | .portloop: |
1608 | lodsb |
1613 | lodsb |
1609 | test al, al |
1614 | test al, al |
1610 | jz .no_port |
1615 | jz .no_port |
1611 | cmp al, ':' |
1616 | cmp al, ':' |
1612 | jne .portloop |
1617 | jne .portloop |
1613 | 1618 | ||
1614 | push esi |
1619 | push esi |
1615 | call ascii_dec_ebx |
1620 | call ascii_dec_ebx |
1616 | pop edi |
1621 | pop edi |
1617 | cmp byte[esi-1], 0 |
1622 | cmp byte[esi-1], 0 |
1618 | jne .invalid |
1623 | jne .invalid |
1619 | cmp [proxyAddr], 0 ; remove port number from hostname |
1624 | cmp [proxyAddr], 0 ; remove port number from hostname |
1620 | jne @f ; unless when we are using proxy |
1625 | jne @f ; unless when we are using proxy |
1621 | mov byte[edi-1], 0 |
1626 | mov byte[edi-1], 0 |
1622 | @@: |
1627 | @@: |
1623 | test ebx, ebx |
1628 | test ebx, ebx |
1624 | je .invalid |
1629 | je .invalid |
1625 | cmp ebx, 0xffff |
1630 | cmp ebx, 0xffff |
1626 | ja .invalid |
1631 | ja .invalid |
1627 | mov [port], ebx |
1632 | mov [port], ebx |
1628 | .no_port: |
1633 | .no_port: |
1629 | 1634 | ||
1630 | 1635 | ||
1631 | ; Did user provide a pageaddr? |
1636 | ; Did user provide a pageaddr? |
1632 | mov [pageaddr], str_slash ; assume there is no pageaddr |
1637 | mov [pageaddr], str_slash ; assume there is no pageaddr |
1633 | pop esi ecx |
1638 | pop esi ecx |
1634 | test ecx, ecx |
1639 | test ecx, ecx |
1635 | jz .no_page |
1640 | jz .no_page |
1636 | 1641 | ||
1637 | ; Create new buffer and put pageaddr into it. |
1642 | ; Create new buffer and put pageaddr into it. |
1638 | inc ecx ; we will add a 0 byte at the end |
1643 | inc ecx ; we will add a 0 byte at the end |
1639 | invoke mem.alloc, ecx |
1644 | invoke mem.alloc, ecx |
1640 | or eax, eax |
1645 | or eax, eax |
1641 | jz .no_mem |
1646 | jz .no_mem |
1642 | 1647 | ||
1643 | mov [pageaddr], eax ; copy pageaddr to buffer |
1648 | mov [pageaddr], eax ; copy pageaddr to buffer |
1644 | mov edi, eax |
1649 | mov edi, eax |
1645 | dec ecx |
1650 | dec ecx |
1646 | rep movsb |
1651 | rep movsb |
1647 | xor al, al |
1652 | xor al, al |
1648 | stosb |
1653 | stosb |
1649 | 1654 | ||
1650 | .no_page: |
1655 | .no_page: |
1651 | mov eax, [hostname] |
1656 | mov eax, [hostname] |
1652 | mov ebx, [pageaddr] |
1657 | mov ebx, [pageaddr] |
1653 | mov ecx, [port] |
1658 | mov ecx, [port] |
1654 | 1659 | ||
1655 | DEBUGF 1, "hostname: %s\n", eax |
1660 | DEBUGF 1, "hostname: %s\n", eax |
1656 | DEBUGF 1, "pageaddr: %s\n", ebx |
1661 | DEBUGF 1, "pageaddr: %s\n", ebx |
1657 | DEBUGF 1, "port: %u\n", ecx |
1662 | DEBUGF 1, "port: %u\n", ecx |
1658 | 1663 | ||
1659 | ret |
1664 | ret |
1660 | 1665 | ||
1661 | .no_mem: |
1666 | .no_mem: |
1662 | DEBUGF 1, "Out of memory!\n" |
1667 | DEBUGF 2, "Out of memory!\n" |
1663 | xor eax, eax |
1668 | xor eax, eax |
1664 | ret |
1669 | ret |
1665 | 1670 | ||
1666 | .invalid: |
1671 | .invalid: |
1667 | DEBUGF 1, "Invalid URL!\n" |
1672 | DEBUGF 2, "Invalid URL!\n" |
1668 | xor eax, eax |
1673 | xor eax, eax |
1669 | ret |
1674 | ret |
1670 | 1675 | ||
1671 | endp |
1676 | endp |
1672 | 1677 | ||
1673 | 1678 | ||
1674 | 1679 | ||
1675 | 1680 | ||
1676 | 1681 | ||
1677 | ;;================================================================================================;; |
1682 | ;;================================================================================================;; |
1678 | proc append_proxy_auth_header ;///////////////////////////////////////////////////////////////////;; |
1683 | proc append_proxy_auth_header ;///////////////////////////////////////////////////////////////////;; |
1679 | ;;------------------------------------------------------------------------------------------------;; |
1684 | ;;------------------------------------------------------------------------------------------------;; |
1680 | ;? Appends the proxy authentication header ;; |
1685 | ;? Appends the proxy authentication header ;; |
1681 | ;;------------------------------------------------------------------------------------------------;; |
1686 | ;;------------------------------------------------------------------------------------------------;; |
1682 | ;> / ;; |
1687 | ;> / ;; |
1683 | ;;------------------------------------------------------------------------------------------------;; |
1688 | ;;------------------------------------------------------------------------------------------------;; |
1684 | ;< / ;; |
1689 | ;< / ;; |
1685 | ;;================================================================================================;; |
1690 | ;;================================================================================================;; |
1686 | mov esi, str_proxy_auth |
1691 | mov esi, str_proxy_auth |
1687 | mov ecx, str_proxy_auth.length |
1692 | mov ecx, str_proxy_auth.length |
1688 | rep movsb |
1693 | rep movsb |
1689 | ; base64-encode string |
1694 | ; base64-encode string |
1690 | mov esi, proxyUser |
1695 | mov esi, proxyUser |
1691 | 1696 | ||
1692 | apah000: |
1697 | apah000: |
1693 | lodsb |
1698 | lodsb |
1694 | test al, al |
1699 | test al, al |
1695 | jz apah001 |
1700 | jz apah001 |
1696 | call encode_base64_byte |
1701 | call encode_base64_byte |
1697 | jmp apah000 |
1702 | jmp apah000 |
1698 | 1703 | ||
1699 | apah001: |
1704 | apah001: |
1700 | mov al, ':' |
1705 | mov al, ':' |
1701 | call encode_base64_byte |
1706 | call encode_base64_byte |
1702 | mov esi, proxyPassword |
1707 | mov esi, proxyPassword |
1703 | 1708 | ||
1704 | apah002: |
1709 | apah002: |
1705 | lodsb |
1710 | lodsb |
1706 | test al, al |
1711 | test al, al |
1707 | jz apah003 |
1712 | jz apah003 |
1708 | call encode_base64_byte |
1713 | call encode_base64_byte |
1709 | jmp apah002 |
1714 | jmp apah002 |
1710 | 1715 | ||
1711 | apah003: |
1716 | apah003: |
1712 | call encode_base64_final |
1717 | call encode_base64_final |
1713 | ret |
1718 | ret |
1714 | 1719 | ||
1715 | encode_base64_byte: |
1720 | encode_base64_byte: |
1716 | inc ecx |
1721 | inc ecx |
1717 | shl edx, 8 |
1722 | shl edx, 8 |
1718 | mov dl, al |
1723 | mov dl, al |
1719 | cmp ecx, 3 |
1724 | cmp ecx, 3 |
1720 | je ebb001 |
1725 | je ebb001 |
1721 | ret |
1726 | ret |
1722 | 1727 | ||
1723 | ebb001: |
1728 | ebb001: |
1724 | shl edx, 8 |
1729 | shl edx, 8 |
1725 | inc ecx |
1730 | inc ecx |
1726 | 1731 | ||
1727 | ebb002: |
1732 | ebb002: |
1728 | rol edx, 6 |
1733 | rol edx, 6 |
1729 | xor eax, eax |
1734 | xor eax, eax |
1730 | xchg al, dl |
1735 | xchg al, dl |
1731 | mov al, [base64_table+eax] |
1736 | mov al, [base64_table+eax] |
1732 | stosb |
1737 | stosb |
1733 | loop ebb002 |
1738 | loop ebb002 |
1734 | ret |
1739 | ret |
1735 | 1740 | ||
1736 | encode_base64_final: |
1741 | encode_base64_final: |
1737 | mov al, 0 |
1742 | mov al, 0 |
1738 | test ecx, ecx |
1743 | test ecx, ecx |
1739 | jz ebf000 |
1744 | jz ebf000 |
1740 | call encode_base64_byte |
1745 | call encode_base64_byte |
1741 | test ecx, ecx |
1746 | test ecx, ecx |
1742 | jz ebf001 |
1747 | jz ebf001 |
1743 | call encode_base64_byte |
1748 | call encode_base64_byte |
1744 | mov byte [edi-2], '=' |
1749 | mov byte [edi-2], '=' |
1745 | 1750 | ||
1746 | ebf001: |
1751 | ebf001: |
1747 | mov byte [edi-1], '=' |
1752 | mov byte [edi-1], '=' |
1748 | 1753 | ||
1749 | ebf000: |
1754 | ebf000: |
1750 | ret |
1755 | ret |
1751 | 1756 | ||
1752 | endp |
1757 | endp |
1753 | 1758 | ||
1754 | 1759 | ||
1755 | ;;================================================================================================;; |
1760 | ;;================================================================================================;; |
1756 | proc eax_ascii_dec ;//////////////////////////////////////////////////////////////////////////////;; |
1761 | proc eax_ascii_dec ;//////////////////////////////////////////////////////////////////////////////;; |
1757 | ;;------------------------------------------------------------------------------------------------;; |
1762 | ;;------------------------------------------------------------------------------------------------;; |
1758 | ;? Convert eax to ASCII decimal number ;; |
1763 | ;? Convert eax to ASCII decimal number ;; |
1759 | ;;------------------------------------------------------------------------------------------------;; |
1764 | ;;------------------------------------------------------------------------------------------------;; |
1760 | ;> eax = number ;; |
1765 | ;> eax = number ;; |
1761 | ;> edi = ptr where to write ASCII decimal number ;; |
1766 | ;> edi = ptr where to write ASCII decimal number ;; |
1762 | ;;------------------------------------------------------------------------------------------------;; |
1767 | ;;------------------------------------------------------------------------------------------------;; |
1763 | ;< / ;; |
1768 | ;< / ;; |
1764 | ;;================================================================================================;; |
1769 | ;;================================================================================================;; |
1765 | 1770 | ||
1766 | push -'0' |
1771 | push -'0' |
1767 | mov ecx, 10 |
1772 | mov ecx, 10 |
1768 | .loop: |
1773 | .loop: |
1769 | xor edx, edx |
1774 | xor edx, edx |
1770 | div ecx |
1775 | div ecx |
1771 | push edx |
1776 | push edx |
1772 | test eax, eax |
1777 | test eax, eax |
1773 | jnz .loop |
1778 | jnz .loop |
1774 | 1779 | ||
1775 | .loop2: |
1780 | .loop2: |
1776 | pop eax |
1781 | pop eax |
1777 | add al, '0' |
1782 | add al, '0' |
1778 | jz .done |
1783 | jz .done |
1779 | stosb |
1784 | stosb |
1780 | jmp .loop2 |
1785 | jmp .loop2 |
1781 | .done: |
1786 | .done: |
1782 | 1787 | ||
1783 | ret |
1788 | ret |
1784 | 1789 | ||
1785 | endp |
1790 | endp |
1786 | 1791 | ||
1787 | 1792 | ||
1788 | ;;================================================================================================;; |
1793 | ;;================================================================================================;; |
1789 | proc ascii_dec_ebx ;//////////////////////////////////////////////////////////////////////////////;; |
1794 | proc ascii_dec_ebx ;//////////////////////////////////////////////////////////////////////////////;; |
1790 | ;;------------------------------------------------------------------------------------------------;; |
1795 | ;;------------------------------------------------------------------------------------------------;; |
1791 | ;? Convert ASCII decimal number to ebx ;; |
1796 | ;? Convert ASCII decimal number to ebx ;; |
1792 | ;;------------------------------------------------------------------------------------------------;; |
1797 | ;;------------------------------------------------------------------------------------------------;; |
1793 | ;> esi = ptr where to read ASCII decimal number ;; |
1798 | ;> esi = ptr where to read ASCII decimal number ;; |
1794 | ;;------------------------------------------------------------------------------------------------;; |
1799 | ;;------------------------------------------------------------------------------------------------;; |
1795 | ;> ebx = number ;; |
1800 | ;> ebx = number ;; |
1796 | ;;================================================================================================;; |
1801 | ;;================================================================================================;; |
1797 | 1802 | ||
1798 | xor eax, eax |
1803 | xor eax, eax |
1799 | xor ebx, ebx |
1804 | xor ebx, ebx |
1800 | .loop: |
1805 | .loop: |
1801 | lodsb |
1806 | lodsb |
1802 | sub al, '0' |
1807 | sub al, '0' |
1803 | jb .done |
1808 | jb .done |
1804 | cmp al, 9 |
1809 | cmp al, 9 |
1805 | ja .done |
1810 | ja .done |
1806 | lea ebx, [ebx + 4*ebx] |
1811 | lea ebx, [ebx + 4*ebx] |
1807 | shl ebx, 1 |
1812 | shl ebx, 1 |
1808 | add ebx, eax |
1813 | add ebx, eax |
1809 | jmp .loop |
1814 | jmp .loop |
1810 | .done: |
1815 | .done: |
1811 | 1816 | ||
1812 | ret |
1817 | ret |
1813 | 1818 | ||
1814 | endp |
1819 | endp |
1815 | 1820 | ||
1816 | 1821 | ||
1817 | ;;================================================================================================;; |
1822 | ;;================================================================================================;; |
1818 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1823 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1819 | ;;================================================================================================;; |
1824 | ;;================================================================================================;; |
1820 | ;! Imported functions section ;; |
1825 | ;! Imported functions section ;; |
1821 | ;;================================================================================================;; |
1826 | ;;================================================================================================;; |
1822 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1827 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1823 | ;;================================================================================================;; |
1828 | ;;================================================================================================;; |
1824 | 1829 | ||
1825 | 1830 | ||
1826 | align 16 |
1831 | align 16 |
1827 | @IMPORT: |
1832 | @IMPORT: |
1828 | 1833 | ||
1829 | library \ |
1834 | library \ |
1830 | libini, 'libini.obj', \ |
1835 | libini, 'libini.obj', \ |
1831 | network, 'network.obj' |
1836 | network, 'network.obj' |
1832 | 1837 | ||
1833 | import libini, \ |
1838 | import libini, \ |
1834 | ini.get_str, 'ini_get_str', \ |
1839 | ini.get_str, 'ini_get_str', \ |
1835 | ini.get_int, 'ini_get_int' |
1840 | ini.get_int, 'ini_get_int' |
1836 | 1841 | ||
1837 | import network,\ |
1842 | import network,\ |
1838 | getaddrinfo, 'getaddrinfo',\ |
1843 | getaddrinfo, 'getaddrinfo',\ |
1839 | freeaddrinfo, 'freeaddrinfo',\ |
1844 | freeaddrinfo, 'freeaddrinfo',\ |
1840 | inet_ntoa, 'inet_ntoa' |
1845 | inet_ntoa, 'inet_ntoa' |
1841 | 1846 | ||
1842 | ;;===========================================================================;; |
1847 | ;;===========================================================================;; |
1843 | ;;///////////////////////////////////////////////////////////////////////////;; |
1848 | ;;///////////////////////////////////////////////////////////////////////////;; |
1844 | ;;===========================================================================;; |
1849 | ;;===========================================================================;; |
1845 | ;! Exported functions section ;; |
1850 | ;! Exported functions section ;; |
1846 | ;;===========================================================================;; |
1851 | ;;===========================================================================;; |
1847 | ;;///////////////////////////////////////////////////////////////////////////;; |
1852 | ;;///////////////////////////////////////////////////////////////////////////;; |
1848 | ;;===========================================================================;; |
1853 | ;;===========================================================================;; |
1849 | 1854 | ||
1850 | 1855 | ||
1851 | HTTP_stop = HTTP_disconnect |
1856 | HTTP_stop = HTTP_disconnect |
1852 | HTTP_process = HTTP_receive |
1857 | HTTP_process = HTTP_receive |
1853 | 1858 | ||
1854 | align 4 |
1859 | align 4 |
1855 | @EXPORT: |
1860 | @EXPORT: |
1856 | export \ |
1861 | export \ |
1857 | lib_init , 'lib_init' , \ |
1862 | lib_init , 'lib_init' , \ |
1858 | 0x00010001 , 'version' , \ |
1863 | 0x00010001 , 'version' , \ |
1859 | HTTP_get , 'get' , \ |
1864 | HTTP_get , 'get' , \ |
1860 | HTTP_head , 'head' , \ |
1865 | HTTP_head , 'head' , \ |
1861 | HTTP_post , 'post' , \ |
1866 | HTTP_post , 'post' , \ |
1862 | HTTP_find_header_field , 'find_header_field' , \ |
1867 | HTTP_find_header_field , 'find_header_field' , \ |
1863 | HTTP_process , 'process' , \ ; To be removed |
1868 | HTTP_process , 'process' , \ ; To be removed |
1864 | HTTP_send , 'send' , \ |
1869 | HTTP_send , 'send' , \ |
1865 | HTTP_receive , 'receive' , \ |
1870 | HTTP_receive , 'receive' , \ |
1866 | HTTP_disconnect , 'disconnect' , \ |
1871 | HTTP_disconnect , 'disconnect' , \ |
1867 | HTTP_free , 'free' , \ |
1872 | HTTP_free , 'free' , \ |
1868 | HTTP_stop , 'stop' , \ ; To be removed |
1873 | HTTP_stop , 'stop' , \ ; To be removed |
1869 | HTTP_escape , 'escape' , \ |
1874 | HTTP_escape , 'escape' , \ |
1870 | HTTP_unescape , 'unescape' |
1875 | HTTP_unescape , 'unescape' |
1871 | ; HTTP_put , 'put' , \ |
1876 | ; HTTP_put , 'put' , \ |
1872 | ; HTTP_delete , 'delete' , \ |
1877 | ; HTTP_delete , 'delete' , \ |
1873 | ; HTTP_trace , 'trace' , \ |
1878 | ; HTTP_trace , 'trace' , \ |
1874 | ; HTTP_connect , 'connect' , \ |
1879 | ; HTTP_connect , 'connect' , \ |
1875 | 1880 | ||
1876 | 1881 | ||
1877 | 1882 | ||
1878 | section '.data' data readable writable align 16 |
1883 | section '.data' data readable writable align 16 |
1879 | 1884 | ||
1880 | inifile db '/sys/settings/network.ini', 0 |
1885 | inifile db '/sys/settings/network.ini', 0 |
1881 | 1886 | ||
1882 | sec_proxy: |
1887 | sec_proxy: |
1883 | key_proxy db 'proxy', 0 |
1888 | key_proxy db 'proxy', 0 |
1884 | key_proxyport db 'port', 0 |
1889 | key_proxyport db 'port', 0 |
1885 | key_user db 'user', 0 |
1890 | key_user db 'user', 0 |
1886 | key_password db 'password', 0 |
1891 | key_password db 'password', 0 |
1887 | 1892 | ||
1888 | str_http11 db ' HTTP/1.1', 13, 10, 'Host: ' |
1893 | str_http11 db ' HTTP/1.1', 13, 10, 'Host: ' |
1889 | .length = $ - str_http11 |
1894 | .length = $ - str_http11 |
1890 | str_post_cl db 13, 10, 'Content-Length: ' |
1895 | str_post_cl db 13, 10, 'Content-Length: ' |
1891 | .length = $ - str_post_cl |
1896 | .length = $ - str_post_cl |
1892 | str_post_ct db 13, 10, 'Content-Type: ' |
1897 | str_post_ct db 13, 10, 'Content-Type: ' |
1893 | .length = $ - str_post_ct |
1898 | .length = $ - str_post_ct |
1894 | str_proxy_auth db 13, 10, 'Proxy-Authorization: Basic ' |
1899 | str_proxy_auth db 13, 10, 'Proxy-Authorization: Basic ' |
1895 | .length = $ - str_proxy_auth |
1900 | .length = $ - str_proxy_auth |
1896 | str_close db 'User-Agent: KolibriOS libHTTP/1.1', 13, 10, 'Connection: Close', 13, 10, 13, 10 |
1901 | str_close db 'User-Agent: KolibriOS libHTTP/1.1', 13, 10, 'Connection: Close', 13, 10, 13, 10 |
1897 | .length = $ - str_close |
1902 | .length = $ - str_close |
1898 | str_keep db 'User-Agent: KolibriOS libHTTP/1.1', 13, 10, 'Connection: Keepalive', 13, 10, 13, 10 |
1903 | str_keep db 'User-Agent: KolibriOS libHTTP/1.1', 13, 10, 'Connection: Keepalive', 13, 10, 13, 10 |
1899 | .length = $ - str_close |
1904 | .length = $ - str_close |
1900 | 1905 | ||
1901 | str_http db 'http://', 0 |
1906 | str_http db 'http://', 0 |
1902 | 1907 | ||
1903 | base64_table db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' |
1908 | base64_table db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' |
1904 | db '0123456789+/' |
1909 | db '0123456789+/' |
1905 | 1910 | ||
1906 | str_cl db 'content-length', 0 |
1911 | str_cl db 'content-length', 0 |
1907 | str_slash db '/', 0 |
1912 | str_slash db '/', 0 |
1908 | str_te db 'transfer-encoding', 0 |
1913 | str_te db 'transfer-encoding', 0 |
1909 | str_get db 'GET ', 0 |
1914 | str_get db 'GET ', 0 |
1910 | str_head db 'HEAD ', 0 |
1915 | str_head db 'HEAD ', 0 |
1911 | str_post db 'POST ', 0 |
1916 | str_post db 'POST ', 0 |
1912 | 1917 | ||
1913 | bits_must_escape: |
1918 | bits_must_escape: |
1914 | dd 0xffffffff ; 00-1F |
1919 | dd 0xffffffff ; 00-1F |
1915 | dd 1 shl 0 + 1 shl 2 + 1 shl 3 + 1 shl 5 + 1 shl 28 + 1 shl 30 ; "#%<> |
1920 | dd 1 shl 0 + 1 shl 2 + 1 shl 3 + 1 shl 5 + 1 shl 28 + 1 shl 30 ; "#%<> |
1916 | dd 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 30 ;[\]^ |
1921 | dd 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 30 ;[\]^ |
1917 | dd 1 shl 0 + 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 31 ;`{|} DEL |
1922 | dd 1 shl 0 + 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 31 ;`{|} DEL |
1918 | 1923 | ||
1919 | dd 0xffffffff |
1924 | dd 0xffffffff |
1920 | dd 0xffffffff |
1925 | dd 0xffffffff |
1921 | dd 0xffffffff |
1926 | dd 0xffffffff |
1922 | dd 0xffffffff |
1927 | dd 0xffffffff |
1923 | 1928 | ||
1924 | str_hex: |
1929 | str_hex: |
1925 | db '0123456789ABCDEF' |
1930 | db '0123456789ABCDEF' |
1926 | 1931 | ||
1927 | include_debug_strings |
1932 | include_debug_strings |
1928 | 1933 | ||
1929 | ; uninitialized data |
1934 | ; uninitialized data |
1930 | mem.alloc dd ? |
1935 | mem.alloc dd ? |
1931 | mem.free dd ? |
1936 | mem.free dd ? |
1932 | mem.realloc dd ? |
1937 | mem.realloc dd ? |
1933 | dll.load dd ? |
1938 | dll.load dd ? |
1934 | 1939 | ||
1935 | proxyAddr rb 256 |
1940 | proxyAddr rb 256 |
1936 | proxyUser rb 256 |
1941 | proxyUser rb 256 |
1937 | proxyPassword rb 256 |
1942 | proxyPassword rb 256 |
1938 | proxyPort dd ?>>>>>>>>>>>>>>>>>>> |
1943 | proxyPort dd ?>>>>>>>>>>>>>>>>>>> |