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Rev | Author | Line No. | Line |
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4158 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; HTTP library for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org ;; |
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9 | ;; ;; |
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10 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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11 | ;; Version 2, June 1991 ;; |
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12 | ;; ;; |
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13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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14 | |||
15 | ; references: |
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16 | ; "HTTP made really easy", http://www.jmarshall.com/easy/http/ |
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17 | ; "Hypertext Transfer Protocol -- HTTP/1.1", http://tools.ietf.org/html/rfc2616 |
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18 | |||
19 | |||
20 | URLMAXLEN = 65535 |
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21 | BUFFERSIZE = 4096 |
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4206 | hidnplayr | 22 | TIMEOUT = 1000 ; in 1/100 s |
4158 | hidnplayr | 23 | |
24 | __DEBUG__ = 1 |
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25 | __DEBUG_LEVEL__ = 1 |
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26 | |||
27 | |||
28 | format MS COFF |
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29 | |||
30 | public @EXPORT as 'EXPORTS' |
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31 | |||
32 | include '../../../struct.inc' |
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33 | include '../../../proc32.inc' |
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34 | include '../../../macros.inc' |
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35 | purge section,mov,add,sub |
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36 | include '../../../debug-fdo.inc' |
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37 | |||
38 | include '../../../network.inc' |
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39 | include 'http.inc' |
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40 | |||
41 | virtual at 0 |
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42 | http_msg http_msg |
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43 | end virtual |
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44 | |||
45 | macro copy_till_zero { |
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46 | @@: |
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47 | lodsb |
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48 | test al, al |
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49 | jz @f |
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50 | stosb |
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51 | jmp @r |
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52 | @@: |
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53 | } |
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54 | |||
4167 | hidnplayr | 55 | macro HTTP_init_buffer buffer, socketnum { |
56 | |||
57 | mov eax, buffer |
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58 | push socketnum |
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59 | popd [eax + http_msg.socket] |
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60 | lea esi, [eax + http_msg.data] |
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4205 | hidnplayr | 61 | mov [eax + http_msg.flags], FLAG_CONNECTED |
4167 | hidnplayr | 62 | mov [eax + http_msg.write_ptr], esi |
63 | mov [eax + http_msg.buffer_length], BUFFERSIZE - http_msg.data |
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64 | mov [eax + http_msg.chunk_ptr], 0 |
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65 | |||
66 | mov [eax + http_msg.status], 0 |
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67 | mov [eax + http_msg.header_length], 0 |
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68 | mov [eax + http_msg.content_length], 0 |
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4168 | hidnplayr | 69 | mov [eax + http_msg.content_received], 0 |
4206 | hidnplayr | 70 | |
71 | push eax ebp |
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72 | mov ebp, eax |
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73 | mcall 29, 9 |
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74 | mov [ebp + http_msg.timestamp], eax |
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75 | pop ebp eax |
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4167 | hidnplayr | 76 | } |
77 | |||
4158 | hidnplayr | 78 | section '.flat' code readable align 16 |
79 | |||
80 | ;;===========================================================================;; |
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81 | lib_init: ;//////////////////////////////////////////////////////////////////;; |
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82 | ;;---------------------------------------------------------------------------;; |
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83 | ;? Library entry point (called after library load) ;; |
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84 | ;;---------------------------------------------------------------------------;; |
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85 | ;> eax = pointer to memory allocation routine ;; |
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86 | ;> ebx = pointer to memory freeing routine ;; |
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87 | ;> ecx = pointer to memory reallocation routine ;; |
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88 | ;> edx = pointer to library loading routine ;; |
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89 | ;;---------------------------------------------------------------------------;; |
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4209 | hidnplayr | 90 | ;< eax = 1 (fail) / 0 (ok) ;; |
4158 | hidnplayr | 91 | ;;===========================================================================;; |
92 | mov [mem.alloc], eax |
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93 | mov [mem.free], ebx |
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94 | mov [mem.realloc], ecx |
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95 | mov [dll.load], edx |
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96 | |||
97 | invoke dll.load, @IMPORT |
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4209 | hidnplayr | 98 | test eax, eax |
99 | jnz .error |
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4158 | hidnplayr | 100 | |
101 | ; load proxy settings |
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4216 | hidnplayr | 102 | pusha |
4158 | hidnplayr | 103 | invoke ini.get_str, inifile, sec_proxy, key_proxy, proxyAddr, 256, proxyAddr |
104 | invoke ini.get_int, inifile, sec_proxy, key_proxyport, 80 |
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105 | mov [proxyPort], eax |
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106 | invoke ini.get_str, inifile, sec_proxy, key_user, proxyUser, 256, proxyUser |
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107 | invoke ini.get_str, inifile, sec_proxy, key_password, proxyPassword, 256, proxyPassword |
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4216 | hidnplayr | 108 | popa |
4158 | hidnplayr | 109 | |
4212 | hidnplayr | 110 | DEBUGF 1, "HTTP library: init OK\n" |
4211 | hidnplayr | 111 | |
4158 | hidnplayr | 112 | xor eax, eax |
113 | ret |
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114 | |||
4209 | hidnplayr | 115 | .error: |
4212 | hidnplayr | 116 | DEBUGF 1, "ERROR loading libraries\n" |
4211 | hidnplayr | 117 | |
4158 | hidnplayr | 118 | xor eax, eax |
4209 | hidnplayr | 119 | inc eax |
120 | |||
4158 | hidnplayr | 121 | ret |
122 | |||
123 | |||
124 | |||
125 | |||
126 | ;;================================================================================================;; |
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4221 | hidnplayr | 127 | proc HTTP_get URL, add_header ;///////////////////////////////////////////////////////////////////;; |
4158 | hidnplayr | 128 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 129 | ;? Initiates a HTTP connection, using 'GET' method. ;; |
4158 | hidnplayr | 130 | ;;------------------------------------------------------------------------------------------------;; |
4221 | hidnplayr | 131 | ;> URL = pointer to ASCIIZ URL ;; |
132 | ;> add_header = pointer to additional header parameters (ASCIIZ), or null for none. ;; |
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4158 | hidnplayr | 133 | ;;------------------------------------------------------------------------------------------------;; |
134 | ;< eax = 0 (error) / buffer ptr ;; |
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135 | ;;================================================================================================;; |
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136 | locals |
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137 | hostname dd ? |
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138 | pageaddr dd ? |
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139 | sockaddr dd ? |
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140 | socketnum dd ? |
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141 | buffer dd ? |
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4167 | hidnplayr | 142 | port dd ? |
4158 | hidnplayr | 143 | endl |
144 | |||
4216 | hidnplayr | 145 | pusha |
146 | |||
4158 | hidnplayr | 147 | ; split the URL into hostname and pageaddr |
148 | stdcall parse_url, [URL] |
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149 | test eax, eax |
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150 | jz .error |
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151 | mov [hostname], eax |
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152 | mov [pageaddr], ebx |
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4221 | hidnplayr | 153 | mov [port], ecx |
4158 | hidnplayr | 154 | |
155 | ; Do we need to use a proxy? |
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156 | cmp [proxyAddr], 0 |
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157 | jne .proxy_done |
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158 | |||
159 | .proxy_done: |
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160 | |||
4167 | hidnplayr | 161 | ;;;; |
162 | |||
163 | ; Connect to the other side. |
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164 | stdcall open_connection, [hostname], [port] |
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4158 | hidnplayr | 165 | test eax, eax |
4167 | hidnplayr | 166 | jz .error |
167 | mov [socketnum], eax |
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4158 | hidnplayr | 168 | |
4167 | hidnplayr | 169 | ; Create the HTTP request. |
170 | invoke mem.alloc, BUFFERSIZE |
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4158 | hidnplayr | 171 | test eax, eax |
172 | jz .error |
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4167 | hidnplayr | 173 | mov [buffer], eax |
174 | mov edi, eax |
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175 | DEBUGF 1, "Buffer has been allocated.\n" |
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4158 | hidnplayr | 176 | |
4167 | hidnplayr | 177 | mov esi, str_get |
178 | copy_till_zero |
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4158 | hidnplayr | 179 | |
4167 | hidnplayr | 180 | mov esi, [pageaddr] |
181 | copy_till_zero |
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4158 | hidnplayr | 182 | |
4167 | hidnplayr | 183 | mov esi, str_http11 |
184 | mov ecx, str_http11.length |
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185 | rep movsb |
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186 | |||
187 | mov esi, [hostname] |
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188 | copy_till_zero |
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189 | |||
4221 | hidnplayr | 190 | mov esi, [add_header] |
191 | test esi, esi |
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192 | jz @f |
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193 | copy_till_zero |
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194 | @@: |
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195 | |||
4167 | hidnplayr | 196 | mov esi, str_close |
197 | mov ecx, str_close.length |
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198 | rep movsb |
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199 | |||
200 | mov byte[edi], 0 |
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201 | DEBUGF 1, "Request:\n%s", [buffer] |
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202 | |||
4222 | hidnplayr | 203 | ; Free unused memory |
204 | push edi |
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205 | invoke mem.free, [pageaddr] |
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206 | invoke mem.free, [hostname] |
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207 | pop esi |
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208 | |||
4167 | hidnplayr | 209 | ; Send the request |
210 | sub esi, [buffer] ; length |
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211 | xor edi, edi ; flags |
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212 | mcall send, [socketnum], [buffer] |
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4158 | hidnplayr | 213 | test eax, eax |
214 | jz .error |
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4167 | hidnplayr | 215 | DEBUGF 1, "Request has been sent to server.\n" |
4158 | hidnplayr | 216 | |
4167 | hidnplayr | 217 | HTTP_init_buffer [buffer], [socketnum] |
218 | |||
4216 | hidnplayr | 219 | popa |
220 | mov eax, [buffer] ; return buffer ptr |
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221 | ret |
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4167 | hidnplayr | 222 | |
223 | .error: |
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224 | DEBUGF 1, "Error!\n" |
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4216 | hidnplayr | 225 | popa |
4167 | hidnplayr | 226 | xor eax, eax ; return 0 = error |
227 | ret |
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228 | |||
229 | endp |
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230 | |||
231 | |||
232 | |||
233 | ;;================================================================================================;; |
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4221 | hidnplayr | 234 | proc HTTP_head URL, add_header ;//////////////////////////////////////////////////////////////////;; |
4167 | hidnplayr | 235 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 236 | ;? Initiates a HTTP connection, using 'HEAD' method. ;; |
4167 | hidnplayr | 237 | ;;------------------------------------------------------------------------------------------------;; |
4221 | hidnplayr | 238 | ;> URL = pointer to ASCIIZ URL ;; |
239 | ;> add_header = pointer to additional header parameters (ASCIIZ), or null for none. ;; |
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4167 | hidnplayr | 240 | ;;------------------------------------------------------------------------------------------------;; |
241 | ;< eax = 0 (error) / buffer ptr ;; |
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242 | ;;================================================================================================;; |
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243 | locals |
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244 | hostname dd ? |
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245 | pageaddr dd ? |
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246 | sockaddr dd ? |
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247 | socketnum dd ? |
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248 | buffer dd ? |
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249 | port dd ? |
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250 | endl |
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251 | |||
4216 | hidnplayr | 252 | pusha |
4167 | hidnplayr | 253 | ; split the URL into hostname and pageaddr |
254 | stdcall parse_url, [URL] |
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4158 | hidnplayr | 255 | test eax, eax |
4167 | hidnplayr | 256 | jz .error |
257 | mov [hostname], eax |
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258 | mov [pageaddr], ebx |
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4221 | hidnplayr | 259 | mov [port], ecx |
4158 | hidnplayr | 260 | |
4167 | hidnplayr | 261 | ; Do we need to use a proxy? |
262 | cmp [proxyAddr], 0 |
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263 | jne .proxy_done |
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4158 | hidnplayr | 264 | |
4167 | hidnplayr | 265 | ; TODO: set hostname to that of the |
266 | .proxy_done: |
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267 | |||
268 | ;;;; |
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269 | |||
270 | ; Connect to the other side. |
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271 | stdcall open_connection, [hostname], [port] |
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272 | test eax, eax |
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273 | jz .error |
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274 | mov [socketnum], eax |
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275 | |||
4158 | hidnplayr | 276 | ; Create the HTTP request. |
277 | invoke mem.alloc, BUFFERSIZE |
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278 | test eax, eax |
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279 | jz .error |
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280 | mov [buffer], eax |
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4167 | hidnplayr | 281 | mov edi, eax |
4158 | hidnplayr | 282 | DEBUGF 1, "Buffer has been allocated.\n" |
283 | |||
4167 | hidnplayr | 284 | mov esi, str_head |
4158 | hidnplayr | 285 | copy_till_zero |
286 | |||
4167 | hidnplayr | 287 | mov esi, [pageaddr] |
288 | copy_till_zero |
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289 | |||
4158 | hidnplayr | 290 | mov esi, str_http11 |
291 | mov ecx, str_http11.length |
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292 | rep movsb |
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293 | |||
294 | mov esi, [hostname] |
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295 | copy_till_zero |
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296 | |||
4221 | hidnplayr | 297 | mov esi, [add_header] |
298 | test esi, esi |
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299 | jz @f |
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300 | copy_till_zero |
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301 | @@: |
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302 | |||
4158 | hidnplayr | 303 | mov esi, str_close |
304 | mov ecx, str_close.length |
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305 | rep movsb |
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306 | |||
307 | mov byte[edi], 0 |
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308 | DEBUGF 1, "Request:\n%s", [buffer] |
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309 | |||
4222 | hidnplayr | 310 | |
311 | ; Free unused memory |
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312 | push edi |
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313 | invoke mem.free, [pageaddr] |
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314 | invoke mem.free, [hostname] |
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315 | pop esi |
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316 | |||
4167 | hidnplayr | 317 | ; Send the request |
4158 | hidnplayr | 318 | sub esi, [buffer] ; length |
319 | xor edi, edi ; flags |
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320 | mcall send, [socketnum], [buffer] |
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321 | test eax, eax |
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322 | jz .error |
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323 | DEBUGF 1, "Request has been sent to server.\n" |
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324 | |||
4167 | hidnplayr | 325 | HTTP_init_buffer [buffer], [socketnum] |
4158 | hidnplayr | 326 | |
4216 | hidnplayr | 327 | popa |
328 | mov eax, [buffer] |
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4167 | hidnplayr | 329 | ret ; return buffer ptr |
4158 | hidnplayr | 330 | |
4167 | hidnplayr | 331 | .error: |
332 | DEBUGF 1, "Error!\n" |
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4216 | hidnplayr | 333 | popa |
4167 | hidnplayr | 334 | xor eax, eax ; return 0 = error |
335 | ret |
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336 | |||
337 | endp |
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338 | |||
339 | |||
340 | ;;================================================================================================;; |
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4221 | hidnplayr | 341 | proc HTTP_post URL, add_header, content_type, content_length ;////////////////////////////////////;; |
4167 | hidnplayr | 342 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 343 | ;? Initiates a HTTP connection, using 'GET' method. ;; |
4167 | hidnplayr | 344 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 345 | ;> URL = pointer to ASCIIZ URL ;; |
4221 | hidnplayr | 346 | ;> add_header = pointer to additional header parameters (ASCIIZ), or null for none. ;; |
4202 | hidnplayr | 347 | ;> content_type = pointer to ASCIIZ string containing content type ;; |
348 | ;> content_length = length of content (in bytes) ;; |
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4167 | hidnplayr | 349 | ;;------------------------------------------------------------------------------------------------;; |
350 | ;< eax = 0 (error) / buffer ptr ;; |
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351 | ;;================================================================================================;; |
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352 | locals |
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353 | hostname dd ? |
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354 | pageaddr dd ? |
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355 | sockaddr dd ? |
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356 | socketnum dd ? |
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357 | buffer dd ? |
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358 | port dd ? |
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359 | endl |
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360 | |||
4216 | hidnplayr | 361 | pusha |
4167 | hidnplayr | 362 | ; split the URL into hostname and pageaddr |
363 | stdcall parse_url, [URL] |
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364 | test eax, eax |
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365 | jz .error |
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366 | mov [hostname], eax |
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367 | mov [pageaddr], ebx |
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4221 | hidnplayr | 368 | mov [port], ecx |
4167 | hidnplayr | 369 | |
370 | ; Do we need to use a proxy? |
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371 | cmp [proxyAddr], 0 |
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372 | jne .proxy_done |
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373 | |||
374 | ; TODO: set hostname to that of the |
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375 | .proxy_done: |
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376 | |||
377 | ;;;; |
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378 | |||
379 | ; Connect to the other side. |
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380 | stdcall open_connection, [hostname], [port] |
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381 | test eax, eax |
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382 | jz .error |
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383 | mov [socketnum], eax |
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384 | |||
385 | ; Create the HTTP request. |
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386 | invoke mem.alloc, BUFFERSIZE |
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387 | test eax, eax |
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388 | jz .error |
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389 | mov [buffer], eax |
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390 | mov edi, eax |
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391 | DEBUGF 1, "Buffer has been allocated.\n" |
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392 | |||
393 | mov esi, str_post |
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394 | copy_till_zero |
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395 | |||
396 | mov esi, [pageaddr] |
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397 | copy_till_zero |
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398 | |||
399 | mov esi, str_http11 |
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400 | mov ecx, str_http11.length |
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401 | rep movsb |
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402 | |||
403 | mov esi, [hostname] |
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404 | copy_till_zero |
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405 | |||
406 | mov esi, str_post_cl |
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407 | mov ecx, str_post_cl.length |
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408 | rep movsb |
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409 | |||
410 | mov eax, [content_length] |
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411 | call ascii_dec |
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412 | |||
413 | mov esi, str_post_ct |
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414 | mov ecx, str_post_ct.length |
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415 | rep movsb |
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416 | |||
417 | mov esi, [content_type] |
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4221 | hidnplayr | 418 | copy_till_zero |
4167 | hidnplayr | 419 | |
4221 | hidnplayr | 420 | mov esi, [add_header] |
421 | test esi, esi |
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422 | jz @f |
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423 | copy_till_zero |
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424 | @@: |
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425 | |||
4167 | hidnplayr | 426 | mov esi, str_close |
427 | mov ecx, str_close.length |
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428 | rep movsb |
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429 | |||
430 | mov byte[edi], 0 |
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431 | DEBUGF 1, "Request:\n%s", [buffer] |
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432 | |||
4222 | hidnplayr | 433 | ; Free unused memory |
434 | push edi |
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435 | invoke mem.free, [pageaddr] |
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436 | invoke mem.free, [hostname] |
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437 | pop esi |
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438 | |||
4167 | hidnplayr | 439 | ; Send the request |
440 | sub esi, [buffer] ; length |
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441 | xor edi, edi ; flags |
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442 | mcall send, [socketnum], [buffer] |
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443 | test eax, eax |
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444 | jz .error |
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445 | DEBUGF 1, "Request has been sent to server.\n" |
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446 | |||
447 | HTTP_init_buffer [buffer], [socketnum] |
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4206 | hidnplayr | 448 | |
4216 | hidnplayr | 449 | popa |
450 | mov eax, [buffer] |
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4158 | hidnplayr | 451 | ret ; return buffer ptr |
452 | |||
453 | .error: |
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454 | DEBUGF 1, "Error!\n" |
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4216 | hidnplayr | 455 | popa |
4158 | hidnplayr | 456 | xor eax, eax ; return 0 = error |
457 | ret |
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458 | |||
459 | endp |
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460 | |||
461 | |||
462 | |||
463 | ;;================================================================================================;; |
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464 | proc HTTP_process identifier ;////////////////////////////////////////////////////////////////////;; |
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465 | ;;------------------------------------------------------------------------------------------------;; |
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4202 | hidnplayr | 466 | ;? Receive data from the server, parse headers and put data in receive buffer. ;; |
467 | ;? To complete a transfer, this procedure must be called over and over again untill it returns 0. ;; |
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4158 | hidnplayr | 468 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 469 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
4158 | hidnplayr | 470 | ;;------------------------------------------------------------------------------------------------;; |
471 | ;< eax = -1 (not finished) / 0 finished ;; |
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472 | ;;================================================================================================;; |
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473 | pusha |
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474 | mov ebp, [identifier] |
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4162 | hidnplayr | 475 | |
4209 | hidnplayr | 476 | ; If the connection is closed, return immediately |
4205 | hidnplayr | 477 | test [ebp + http_msg.flags], FLAG_CONNECTED |
478 | jz .connection_closed |
||
479 | |||
4162 | hidnplayr | 480 | ; Receive some data |
4158 | hidnplayr | 481 | mcall recv, [ebp + http_msg.socket], [ebp + http_msg.write_ptr], \ |
482 | [ebp + http_msg.buffer_length], MSG_DONTWAIT |
||
483 | cmp eax, 0xffffffff |
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484 | je .check_socket |
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4220 | hidnplayr | 485 | |
486 | test eax, eax |
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487 | jz .server_closed |
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4158 | hidnplayr | 488 | DEBUGF 1, "Received %u bytes\n", eax |
489 | |||
4209 | hidnplayr | 490 | ; Update timestamp |
4206 | hidnplayr | 491 | push eax |
492 | mcall 29, 9 |
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493 | mov [ebp + http_msg.timestamp], eax |
||
494 | pop eax |
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495 | |||
4162 | hidnplayr | 496 | ; Update pointers |
4158 | hidnplayr | 497 | mov edi, [ebp + http_msg.write_ptr] |
498 | add [ebp + http_msg.write_ptr], eax |
||
499 | sub [ebp + http_msg.buffer_length], eax |
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500 | jz .got_all_data |
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4162 | hidnplayr | 501 | |
502 | ; If data is chunked, combine chunks into contiguous data. |
||
503 | test [ebp + http_msg.flags], FLAG_CHUNKED |
||
504 | jnz .chunk_loop |
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505 | |||
4212 | hidnplayr | 506 | ; Did we detect the (final) header yet? |
4158 | hidnplayr | 507 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
508 | jnz .header_parsed |
||
509 | |||
4212 | hidnplayr | 510 | ; We havent found the (final) header yet, search for it.. |
511 | .scan_again: |
||
512 | ; eax = total number of bytes received so far |
||
513 | mov eax, [ebp + http_msg.write_ptr] |
||
514 | sub eax, http_msg.data |
||
515 | sub eax, ebp |
||
516 | sub eax, [ebp + http_msg.header_length] |
||
517 | ; edi is ptr to begin of header |
||
518 | lea edi, [ebp + http_msg.data] |
||
519 | add edi, [ebp + http_msg.header_length] |
||
520 | ; put it in esi for next proc too |
||
521 | mov esi, edi |
||
522 | sub eax, 3 |
||
523 | jle .need_more_data |
||
524 | .scan_loop: |
||
4158 | hidnplayr | 525 | ; scan for end of header (empty line) |
526 | cmp dword[edi], 0x0a0d0a0d ; end of header |
||
527 | je .end_of_header |
||
4212 | hidnplayr | 528 | cmp word[edi+2], 0x0a0a ; notice the use of offset + 2, to calculate header length correctly :) |
4158 | hidnplayr | 529 | je .end_of_header |
530 | inc edi |
||
531 | dec eax |
||
4212 | hidnplayr | 532 | jnz .scan_loop |
533 | jmp .need_more_data |
||
4158 | hidnplayr | 534 | |
535 | .end_of_header: |
||
536 | add edi, 4 - http_msg.data |
||
537 | sub edi, ebp |
||
4212 | hidnplayr | 538 | mov [ebp + http_msg.header_length], edi ; If this isnt the final header, we'll use this as an offset to find real header. |
4158 | hidnplayr | 539 | DEBUGF 1, "Header length: %u\n", edi |
540 | |||
541 | ; Ok, we have found header: |
||
4212 | hidnplayr | 542 | cmp dword[esi], 'HTTP' |
4158 | hidnplayr | 543 | jne .invalid_header |
4212 | hidnplayr | 544 | cmp dword[esi+4], '/1.0' |
4158 | hidnplayr | 545 | je .http_1.0 |
4212 | hidnplayr | 546 | cmp dword[esi+4], '/1.1' |
4158 | hidnplayr | 547 | jne .invalid_header |
548 | or [ebp + http_msg.flags], FLAG_HTTP11 |
||
549 | .http_1.0: |
||
4212 | hidnplayr | 550 | cmp byte[esi+8], ' ' |
4158 | hidnplayr | 551 | jne .invalid_header |
552 | |||
4212 | hidnplayr | 553 | add esi, 9 |
4158 | hidnplayr | 554 | xor eax, eax |
555 | xor ebx, ebx |
||
556 | mov ecx, 3 |
||
557 | .statusloop: |
||
558 | lodsb |
||
559 | sub al, '0' |
||
560 | jb .invalid_header |
||
561 | cmp al, 9 |
||
562 | ja .invalid_header |
||
563 | lea ebx, [ebx + 4*ebx] |
||
564 | shl ebx, 1 |
||
565 | add ebx, eax |
||
566 | dec ecx |
||
567 | jnz .statusloop |
||
4212 | hidnplayr | 568 | |
569 | ; Ignore "100 - Continue" headers |
||
570 | cmp ebx, 100 |
||
571 | je .scan_again |
||
572 | |||
573 | DEBUGF 1, "Status: %u\n", ebx |
||
4158 | hidnplayr | 574 | mov [ebp + http_msg.status], ebx |
4212 | hidnplayr | 575 | or [ebp + http_msg.flags], FLAG_GOT_HEADER |
4158 | hidnplayr | 576 | |
577 | ; Now, convert all header names to lowercase. |
||
578 | ; This way, it will be much easier to find certain header fields, later on. |
||
579 | |||
580 | lea esi, [ebp + http_msg.data] |
||
581 | mov ecx, [ebp + http_msg.header_length] |
||
582 | .need_newline: |
||
583 | inc esi |
||
584 | dec ecx |
||
585 | jz .convert_done |
||
586 | cmp byte[esi], 10 |
||
587 | jne .need_newline |
||
588 | ; Ok, we have a newline, a line beginning with space or tabs has no header fields. |
||
589 | |||
590 | inc esi |
||
591 | dec ecx |
||
592 | jz .convert_done |
||
593 | cmp byte[esi], ' ' |
||
594 | je .need_newline |
||
595 | cmp byte[esi], 9 ; horizontal tab |
||
596 | je .need_newline |
||
597 | jmp .convert_loop |
||
598 | .next_char: |
||
599 | inc esi |
||
600 | dec ecx |
||
601 | jz .convert_done |
||
602 | .convert_loop: |
||
603 | cmp byte[esi], ':' |
||
604 | je .need_newline |
||
605 | cmp byte[esi], 'A' |
||
606 | jb .next_char |
||
607 | cmp byte[esi], 'Z' |
||
608 | ja .next_char |
||
609 | or byte[esi], 0x20 ; convert to lowercase |
||
610 | jmp .next_char |
||
611 | .convert_done: |
||
612 | mov byte[esi-1], 0 |
||
613 | lea esi, [ebp + http_msg.data] |
||
614 | DEBUGF 1, "Header names converted to lowercase:\n%s\n", esi |
||
615 | |||
616 | ; Check for content-length header field. |
||
4222 | hidnplayr | 617 | stdcall HTTP_find_header_field, ebp, str_cl |
4158 | hidnplayr | 618 | test eax, eax |
619 | jz .no_content |
||
620 | or [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
||
621 | |||
622 | xor edx, edx |
||
623 | .cl_loop: |
||
624 | movzx ebx, byte[eax] |
||
625 | inc eax |
||
626 | cmp bl, 10 |
||
627 | je .cl_ok |
||
628 | cmp bl, 13 |
||
629 | je .cl_ok |
||
630 | cmp bl, ' ' |
||
631 | je .cl_ok |
||
632 | sub bl, '0' |
||
633 | jb .invalid_header |
||
634 | cmp bl, 9 |
||
635 | ja .invalid_header |
||
636 | lea edx, [edx + edx*4] ; edx = edx*10 |
||
637 | shl edx, 1 ; |
||
638 | add edx, ebx |
||
639 | jmp .cl_loop |
||
640 | |||
641 | .cl_ok: |
||
642 | mov [ebp + http_msg.content_length], edx |
||
643 | DEBUGF 1, "Content-length: %u\n", edx |
||
644 | |||
645 | ; Resize buffer according to content-length. |
||
4168 | hidnplayr | 646 | add edx, [ebp + http_msg.header_length] |
647 | add edx, http_msg.data |
||
4158 | hidnplayr | 648 | |
4168 | hidnplayr | 649 | mov ecx, edx |
4158 | hidnplayr | 650 | sub ecx, [ebp + http_msg.write_ptr] |
651 | mov [ebp + http_msg.buffer_length], ecx |
||
652 | |||
4168 | hidnplayr | 653 | invoke mem.realloc, ebp, edx |
4158 | hidnplayr | 654 | or eax, eax |
4212 | hidnplayr | 655 | jz .no_ram |
4203 | hidnplayr | 656 | |
4220 | hidnplayr | 657 | .not_chunked: |
4212 | hidnplayr | 658 | mov eax, [ebp + http_msg.write_ptr] |
4168 | hidnplayr | 659 | sub eax, [ebp + http_msg.header_length] |
4212 | hidnplayr | 660 | sub eax, http_msg.data |
661 | sub eax, ebp |
||
4158 | hidnplayr | 662 | jmp .header_parsed ; hooray! |
663 | |||
664 | .no_content: |
||
665 | DEBUGF 1, "Content-length not found.\n" |
||
666 | |||
667 | ; We didnt find 'content-length', maybe server is using chunked transfer encoding? |
||
668 | ; Try to find 'transfer-encoding' header. |
||
4222 | hidnplayr | 669 | stdcall HTTP_find_header_field, ebp, str_te |
4158 | hidnplayr | 670 | test eax, eax |
4220 | hidnplayr | 671 | jz .not_chunked |
4158 | hidnplayr | 672 | |
673 | mov ebx, dword[eax] |
||
4162 | hidnplayr | 674 | or ebx, 0x20202020 |
4158 | hidnplayr | 675 | cmp ebx, 'chun' |
4220 | hidnplayr | 676 | jne .not_chunked |
4158 | hidnplayr | 677 | mov ebx, dword[eax+4] |
4162 | hidnplayr | 678 | or ebx, 0x00202020 |
679 | and ebx, 0x00ffffff |
||
4158 | hidnplayr | 680 | cmp ebx, 'ked' |
4220 | hidnplayr | 681 | jne .not_chunked |
4158 | hidnplayr | 682 | |
683 | or [ebp + http_msg.flags], FLAG_CHUNKED |
||
684 | DEBUGF 1, "Transfer type is: chunked\n" |
||
685 | |||
686 | ; Set chunk pointer where first chunk should begin. |
||
4162 | hidnplayr | 687 | lea eax, [ebp + http_msg.data] |
688 | add eax, [ebp + http_msg.header_length] |
||
4158 | hidnplayr | 689 | mov [ebp + http_msg.chunk_ptr], eax |
690 | |||
4162 | hidnplayr | 691 | .chunk_loop: |
4158 | hidnplayr | 692 | mov ecx, [ebp + http_msg.write_ptr] |
693 | sub ecx, [ebp + http_msg.chunk_ptr] |
||
4202 | hidnplayr | 694 | jb .need_more_data_chunked ; TODO: use this ecx !!! |
4158 | hidnplayr | 695 | |
4202 | hidnplayr | 696 | ; Chunkline starts here, convert the ASCII hex number into ebx |
4158 | hidnplayr | 697 | mov esi, [ebp + http_msg.chunk_ptr] |
698 | xor ebx, ebx |
||
699 | .chunk_hexloop: |
||
700 | lodsb |
||
701 | sub al, '0' |
||
702 | jb .chunk_ |
||
703 | cmp al, 9 |
||
704 | jbe .chunk_hex |
||
4162 | hidnplayr | 705 | sub al, 'A' - '0' - 10 |
4158 | hidnplayr | 706 | jb .chunk_ |
4162 | hidnplayr | 707 | cmp al, 15 |
4158 | hidnplayr | 708 | jbe .chunk_hex |
709 | sub al, 'a' - 'A' |
||
4162 | hidnplayr | 710 | cmp al, 15 |
4158 | hidnplayr | 711 | ja .chunk_ |
712 | .chunk_hex: |
||
713 | shl ebx, 4 |
||
714 | add bl, al |
||
715 | jmp .chunk_hexloop |
||
716 | .chunk_: |
||
717 | DEBUGF 1, "got chunk of %u bytes\n", ebx |
||
4202 | hidnplayr | 718 | ;; cmp esi, [ebp + http_msg.chunk_ptr] |
719 | ;; je |
||
4158 | hidnplayr | 720 | ; If chunk size is 0, all chunks have been received. |
721 | test ebx, ebx |
||
4162 | hidnplayr | 722 | jz .got_all_data_chunked ; last chunk, hooray! FIXME: what if it wasnt a valid hex number??? |
4158 | hidnplayr | 723 | |
724 | ; Chunkline ends with a CR, LF or simply LF |
||
4202 | hidnplayr | 725 | .end_of_chunkline?: |
4158 | hidnplayr | 726 | cmp al, 10 |
727 | je .end_of_chunkline |
||
728 | lodsb |
||
4202 | hidnplayr | 729 | cmp edi, [ebp + http_msg.write_ptr] |
730 | jb .end_of_chunkline? |
||
731 | jmp .need_more_data |
||
4158 | hidnplayr | 732 | |
733 | .end_of_chunkline: |
||
4202 | hidnplayr | 734 | ; Update chunk ptr, and remember old one |
735 | mov edi, [ebp + http_msg.chunk_ptr] |
||
736 | add [ebp + http_msg.chunk_ptr], ebx |
||
4162 | hidnplayr | 737 | ; Realloc buffer, make it 'chunksize' bigger. |
738 | mov eax, [ebp + http_msg.buffer_length] |
||
739 | add eax, ebx |
||
740 | invoke mem.realloc, ebp, eax |
||
741 | or eax, eax |
||
742 | jz .no_ram |
||
743 | add [ebp + http_msg.buffer_length], ebx |
||
744 | |||
745 | ; Update write ptr |
||
746 | mov eax, esi |
||
747 | sub eax, edi |
||
748 | sub [ebp + http_msg.write_ptr], eax |
||
749 | |||
4158 | hidnplayr | 750 | ; Now move all received data to the left (remove chunk header). |
4162 | hidnplayr | 751 | ; Update content_length accordingly. |
4158 | hidnplayr | 752 | mov ecx, [ebp + http_msg.write_ptr] |
753 | sub ecx, esi |
||
4168 | hidnplayr | 754 | add [ebp + http_msg.content_received], ecx |
4158 | hidnplayr | 755 | rep movsb |
4162 | hidnplayr | 756 | jmp .chunk_loop |
4158 | hidnplayr | 757 | |
758 | ; Check if we got all the data. |
||
4162 | hidnplayr | 759 | .header_parsed: |
4168 | hidnplayr | 760 | add [ebp + http_msg.content_received], eax |
4220 | hidnplayr | 761 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
762 | jz .need_more_data_and_space |
||
4217 | hidnplayr | 763 | mov eax, [ebp + http_msg.content_received] |
764 | cmp eax, [ebp + http_msg.content_length] |
||
4168 | hidnplayr | 765 | jae .got_all_data |
4220 | hidnplayr | 766 | jmp .need_more_data |
4212 | hidnplayr | 767 | |
4220 | hidnplayr | 768 | .need_more_data_and_space: |
769 | mov eax, [ebp + http_msg.write_ptr] |
||
770 | add eax, BUFFERSIZE |
||
771 | sub eax, ebp |
||
772 | invoke mem.realloc, ebp, eax |
||
773 | or eax, eax |
||
774 | jz .no_ram |
||
775 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
||
776 | |||
4162 | hidnplayr | 777 | .need_more_data: |
778 | popa |
||
779 | xor eax, eax |
||
780 | dec eax |
||
781 | ret |
||
4158 | hidnplayr | 782 | |
4162 | hidnplayr | 783 | .need_more_data_chunked: |
4168 | hidnplayr | 784 | add [ebp + http_msg.content_received], eax |
4158 | hidnplayr | 785 | popa |
786 | xor eax, eax |
||
787 | dec eax |
||
788 | ret |
||
789 | |||
4162 | hidnplayr | 790 | .got_all_data_chunked: |
791 | mov eax, [ebp + http_msg.chunk_ptr] |
||
792 | sub eax, [ebp + http_msg.header_length] |
||
793 | sub eax, http_msg.data |
||
794 | sub eax, ebp |
||
795 | mov [ebp + http_msg.content_length], eax |
||
4168 | hidnplayr | 796 | mov [ebp + http_msg.content_received], eax |
4158 | hidnplayr | 797 | .got_all_data: |
4217 | hidnplayr | 798 | DEBUGF 1, "We got all the data! (%u bytes)\n", [ebp + http_msg.content_received] |
4205 | hidnplayr | 799 | or [ebp + http_msg.flags], FLAG_GOT_ALL_DATA |
800 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
||
4158 | hidnplayr | 801 | mcall close, [ebp + http_msg.socket] |
802 | popa |
||
803 | xor eax, eax |
||
804 | ret |
||
805 | |||
806 | .check_socket: |
||
807 | cmp ebx, EWOULDBLOCK |
||
4206 | hidnplayr | 808 | jne .socket_error |
4158 | hidnplayr | 809 | |
4206 | hidnplayr | 810 | mcall 29, 9 |
811 | sub eax, TIMEOUT |
||
812 | cmp eax, [ebp + http_msg.timestamp] |
||
4207 | hidnplayr | 813 | jb .need_more_data |
4206 | hidnplayr | 814 | DEBUGF 1, "ERROR: timeout\n" |
815 | or [ebp + http_msg.flags], FLAG_TIMEOUT_ERROR |
||
816 | jmp .disconnect |
||
4158 | hidnplayr | 817 | |
4220 | hidnplayr | 818 | .server_closed: |
819 | DEBUGF 1, "server closed connection, transfer complete?\n" |
||
820 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
||
821 | jz .server_error |
||
822 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
||
823 | jz .got_all_data |
||
824 | |||
825 | .server_error: |
||
826 | pop eax |
||
827 | DEBUGF 1, "ERROR: server closed connection unexpectedly\n" |
||
828 | or [ebp + http_msg.flags], FLAG_TRANSFER_FAILED |
||
829 | jmp .disconnect |
||
830 | |||
4158 | hidnplayr | 831 | .invalid_header: |
4203 | hidnplayr | 832 | pop eax |
4158 | hidnplayr | 833 | DEBUGF 1, "ERROR: invalid header\n" |
834 | or [ebp + http_msg.flags], FLAG_INVALID_HEADER |
||
4206 | hidnplayr | 835 | jmp .disconnect |
4158 | hidnplayr | 836 | |
837 | .no_ram: |
||
838 | DEBUGF 1, "ERROR: out of RAM\n" |
||
839 | or [ebp + http_msg.flags], FLAG_NO_RAM |
||
4206 | hidnplayr | 840 | jmp .disconnect |
841 | |||
842 | .socket_error: |
||
843 | DEBUGF 1, "ERROR: socket error %u\n", ebx |
||
844 | or [ebp + http_msg.flags], FLAG_SOCKET_ERROR |
||
845 | .disconnect: |
||
4205 | hidnplayr | 846 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
847 | mcall close, [ebp + http_msg.socket] |
||
4206 | hidnplayr | 848 | .connection_closed: |
4158 | hidnplayr | 849 | popa |
850 | xor eax, eax |
||
851 | ret |
||
852 | |||
853 | endp |
||
854 | |||
855 | |||
856 | |||
4205 | hidnplayr | 857 | |
4158 | hidnplayr | 858 | ;;================================================================================================;; |
4205 | hidnplayr | 859 | proc HTTP_free identifier ;///////////////////////////////////////////////////////////////////////;; |
860 | ;;------------------------------------------------------------------------------------------------;; |
||
861 | ;? Free the http_msg structure ;; |
||
862 | ;;------------------------------------------------------------------------------------------------;; |
||
863 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
||
864 | ;;------------------------------------------------------------------------------------------------;; |
||
865 | ;< none ;; |
||
866 | ;;================================================================================================;; |
||
867 | |||
868 | pusha |
||
869 | mov ebp, [identifier] |
||
870 | |||
871 | test [ebp + http_msg.flags], FLAG_CONNECTED |
||
872 | jz .not_connected |
||
873 | |||
874 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
||
875 | mcall close, [ebp + http_msg.socket] |
||
876 | |||
877 | .not_connected: |
||
878 | invoke mem.free, ebp |
||
879 | |||
880 | popa |
||
881 | ret |
||
882 | |||
883 | endp |
||
884 | |||
885 | |||
886 | |||
887 | ;;================================================================================================;; |
||
888 | proc HTTP_stop identifier ;///////////////////////////////////////////////////////////////////////;; |
||
889 | ;;------------------------------------------------------------------------------------------------;; |
||
890 | ;? Stops the open connection ;; |
||
891 | ;;------------------------------------------------------------------------------------------------;; |
||
892 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
||
893 | ;;------------------------------------------------------------------------------------------------;; |
||
894 | ;< none ;; |
||
895 | ;;================================================================================================;; |
||
896 | |||
897 | pusha |
||
898 | mov ebp, [identifier] |
||
899 | |||
900 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
||
901 | mcall close, [ebp + http_msg.socket] |
||
902 | |||
903 | popa |
||
904 | ret |
||
905 | |||
906 | endp |
||
907 | |||
908 | |||
909 | |||
910 | ;;================================================================================================;; |
||
4222 | hidnplayr | 911 | proc HTTP_find_header_field identifier, headername ;//////////////////////////////////////////////;; |
4158 | hidnplayr | 912 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 913 | ;? Find a header field in the received HTTP header ;; |
4158 | hidnplayr | 914 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 915 | ;> identifier = ptr to http_msg struct ;; |
916 | ;> headername = ptr to ASCIIZ string containg field you want to find (must be in lowercase) ;; |
||
4158 | hidnplayr | 917 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 918 | ;< eax = 0 (error) / ptr to content of the HTTP header field ;; |
4158 | hidnplayr | 919 | ;;================================================================================================;; |
920 | push ebx ecx edx esi edi |
||
921 | |||
922 | DEBUGF 1, "Find header field: %s\n", [headername] |
||
923 | |||
924 | mov ebx, [identifier] |
||
4202 | hidnplayr | 925 | test [ebx + http_msg.flags], FLAG_GOT_HEADER |
926 | jz .fail |
||
927 | |||
4158 | hidnplayr | 928 | lea edx, [ebx + http_msg.data] |
929 | mov ecx, edx |
||
930 | add ecx, [ebx + http_msg.header_length] |
||
931 | |||
932 | .restart: |
||
933 | mov esi, [headername] |
||
934 | mov edi, edx |
||
935 | .loop: |
||
936 | cmp edi, ecx |
||
937 | jae .fail |
||
938 | lodsb |
||
939 | scasb |
||
940 | je .loop |
||
941 | test al, al |
||
942 | jz .done? |
||
943 | .next: |
||
944 | inc edx |
||
945 | jmp .restart |
||
946 | |||
947 | .not_done: |
||
948 | inc edi |
||
949 | .done?: |
||
950 | cmp byte[edi-1], ':' |
||
951 | je .almost_done |
||
952 | cmp byte[edi-1], ' ' |
||
953 | je .not_done |
||
954 | cmp byte[edi-1], 9 ; tab |
||
955 | je .not_done |
||
956 | |||
957 | jmp .next |
||
958 | |||
959 | .almost_done: ; FIXME: buffer overflow? |
||
960 | dec edi |
||
961 | DEBUGF 1, "Found header field\n" |
||
962 | .spaceloop: |
||
963 | inc edi |
||
964 | cmp byte[edi], ' ' |
||
965 | je .spaceloop |
||
966 | cmp byte[edi], 9 ; tab |
||
967 | je .spaceloop |
||
968 | |||
969 | mov eax, edi |
||
970 | pop edi esi edx ecx ebx |
||
971 | ret |
||
972 | |||
973 | .fail: |
||
974 | pop edi esi edx ecx ebx |
||
975 | xor eax, eax |
||
976 | ret |
||
977 | |||
978 | endp |
||
979 | |||
980 | |||
981 | |||
4209 | hidnplayr | 982 | ;;================================================================================================;; |
983 | proc URI_escape URI ;/////////////////////////////////////////////////////////////////////////////;; |
||
984 | ;;------------------------------------------------------------------------------------------------;; |
||
985 | ;? ;; |
||
986 | ;;------------------------------------------------------------------------------------------------;; |
||
987 | ;> URI = ptr to ASCIIZ URI ;; |
||
988 | ;;------------------------------------------------------------------------------------------------;; |
||
989 | ;< eax = 0 (error) / ptr to ASCIIZ URI ;; |
||
990 | ;;================================================================================================;; |
||
4202 | hidnplayr | 991 | |
4209 | hidnplayr | 992 | pusha |
4205 | hidnplayr | 993 | |
4209 | hidnplayr | 994 | invoke mem.alloc, URLMAXLEN |
995 | test eax, eax |
||
996 | jz .error |
||
997 | mov [esp + 7 * 4], eax ; return ptr in eax |
||
998 | mov esi, [URI] |
||
999 | mov edi, eax |
||
1000 | xor ebx, ebx |
||
1001 | xor ecx, ecx |
||
1002 | .loop: |
||
1003 | lodsb |
||
1004 | test al, al |
||
1005 | jz .done |
||
1006 | |||
1007 | mov cl, al |
||
1008 | and cl, 0x1f |
||
1009 | mov bl, al |
||
1010 | shr bl, 5 |
||
1011 | bt dword[bits_must_escape + ebx], ecx |
||
1012 | jc .escape |
||
1013 | |||
1014 | stosb |
||
1015 | jmp .loop |
||
1016 | |||
1017 | .escape: |
||
1018 | mov al, '%' |
||
1019 | stosb |
||
1020 | mov bl, byte[esi-1] |
||
1021 | shr bl, 4 |
||
1022 | mov al, byte[str_hex + ebx] |
||
1023 | stosb |
||
1024 | mov bl, byte[esi-1] |
||
1025 | and bl, 0x0f |
||
1026 | mov al, byte[str_hex + ebx] |
||
1027 | stosb |
||
1028 | jmp .loop |
||
1029 | |||
1030 | |||
1031 | .done: |
||
1032 | stosb |
||
1033 | |||
1034 | popa |
||
1035 | ret |
||
1036 | |||
1037 | .error: |
||
1038 | popa |
||
1039 | xor eax, eax |
||
1040 | ret |
||
1041 | |||
1042 | endp |
||
1043 | |||
1044 | |||
1045 | |||
4167 | hidnplayr | 1046 | ;;================================================================================================;; |
4209 | hidnplayr | 1047 | proc URI_unescape URI ;///////////////////////////////////////////////////////////////////////////;; |
1048 | ;;------------------------------------------------------------------------------------------------;; |
||
1049 | ;? ;; |
||
1050 | ;;------------------------------------------------------------------------------------------------;; |
||
1051 | ;> URI = ptr to ASCIIZ URI ;; |
||
1052 | ;;------------------------------------------------------------------------------------------------;; |
||
1053 | ;< eax = 0 (error) / ptr to ASCIIZ URI ;; |
||
1054 | ;;================================================================================================;; |
||
1055 | |||
1056 | pusha |
||
1057 | |||
1058 | invoke mem.alloc, URLMAXLEN |
||
1059 | test eax, eax |
||
1060 | jz .error |
||
1061 | mov [esp + 7 * 4], eax ; return ptr in eax |
||
1062 | mov esi, [URI] |
||
1063 | mov edi, eax |
||
1064 | .loop: |
||
1065 | lodsb |
||
1066 | test al, al |
||
1067 | jz .done |
||
1068 | |||
1069 | cmp al, '%' |
||
1070 | je .unescape |
||
1071 | |||
1072 | stosb |
||
1073 | jmp .loop |
||
1074 | |||
1075 | .unescape: |
||
1076 | xor ebx, ebx |
||
1077 | xor ecx, ecx |
||
1078 | .unescape_nibble: |
||
1079 | lodsb |
||
1080 | sub al, '0' |
||
1081 | jb .fail |
||
1082 | cmp al, 9 |
||
1083 | jbe .nibble_ok |
||
1084 | sub al, 'A' - '0' - 10 |
||
1085 | jb .fail |
||
1086 | cmp al, 15 |
||
1087 | jbe .nibble_ok |
||
1088 | sub al, 'a' - 'A' |
||
1089 | cmp al, 15 |
||
1090 | ja .fail |
||
1091 | .nibble_ok: |
||
1092 | shl bl, 8 |
||
1093 | or bl, al |
||
1094 | dec ecx |
||
1095 | jc .unescape_nibble |
||
1096 | mov al, bl |
||
1097 | stosb |
||
1098 | jmp .loop |
||
1099 | |||
1100 | .fail: |
||
1101 | DEBUGF 1, "ERROR: invalid URI!\n" |
||
1102 | jmp .loop |
||
1103 | |||
1104 | .done: |
||
1105 | stosb |
||
1106 | |||
1107 | popa |
||
1108 | ret |
||
1109 | |||
1110 | .error: |
||
1111 | popa |
||
1112 | xor eax, eax |
||
1113 | ret |
||
1114 | |||
1115 | endp |
||
1116 | |||
1117 | |||
1118 | |||
1119 | |||
1120 | |||
1121 | ;;================================================================================================;; |
||
4202 | hidnplayr | 1122 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1123 | ;;================================================================================================;; |
||
1124 | ;! Internal procedures section ;; |
||
4220 | hidnplayr | 1125 | ;; ;; |
1126 | ;; NOTICE: These procedures do not follow stdcall conventions and thus may destroy any register. ;; |
||
4202 | hidnplayr | 1127 | ;;================================================================================================;; |
1128 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
||
1129 | ;;================================================================================================;; |
||
1130 | |||
1131 | |||
1132 | |||
1133 | |||
1134 | ;;================================================================================================;; |
||
4167 | hidnplayr | 1135 | proc open_connection hostname, port ;/////////////////////////////////////////////////////////////;; |
1136 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 1137 | ;? Connects to a HTTP server ;; |
4167 | hidnplayr | 1138 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1139 | ;> hostname = ptr to ASCIIZ hostname ;; |
1140 | ;> port = port (x86 byte order) ;; |
||
4167 | hidnplayr | 1141 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1142 | ;< eax = 0 (error) / socketnum ;; |
4167 | hidnplayr | 1143 | ;;================================================================================================;; |
4158 | hidnplayr | 1144 | |
4167 | hidnplayr | 1145 | locals |
1146 | sockaddr dd ? |
||
1147 | socketnum dd ? |
||
1148 | endl |
||
1149 | |||
1150 | ; Resolve the hostname |
||
1151 | DEBUGF 1, "Resolving hostname\n" |
||
1152 | push esp ; reserve stack place |
||
1153 | push esp ; fourth parameter |
||
1154 | push 0 ; third parameter |
||
1155 | push 0 ; second parameter |
||
1156 | push [hostname] |
||
1157 | call [getaddrinfo] |
||
1158 | pop esi |
||
1159 | test eax, eax |
||
1160 | jnz .error1 |
||
1161 | |||
1162 | ; getaddrinfo returns addrinfo struct, make the pointer to sockaddr struct |
||
1163 | mov esi, [esi + addrinfo.ai_addr] |
||
1164 | mov [sockaddr], esi |
||
1165 | mov eax, [esi + sockaddr_in.sin_addr] |
||
1166 | test eax, eax |
||
1167 | jz .error2 |
||
1168 | |||
1169 | DEBUGF 1, "Server ip=%u.%u.%u.%u\n", \ |
||
1170 | [esi + sockaddr_in.sin_addr]:1, [esi + sockaddr_in.sin_addr + 1]:1, \ |
||
1171 | [esi + sockaddr_in.sin_addr + 2]:1, [esi + sockaddr_in.sin_addr + 3]:1 |
||
1172 | |||
1173 | mov [esi + sockaddr_in.sin_family], AF_INET4 |
||
1174 | mov eax, [port] |
||
1175 | xchg al, ah |
||
1176 | mov [esi + sockaddr_in.sin_port], ax |
||
1177 | |||
1178 | ; Connect to the server. |
||
1179 | mcall socket, AF_INET4, SOCK_STREAM, 0 |
||
1180 | test eax, eax |
||
1181 | jz .error2 |
||
1182 | mov [socketnum], eax |
||
1183 | DEBUGF 1, "Socket: 0x%x\n", eax |
||
1184 | |||
1185 | mcall connect, [socketnum], [sockaddr], 18 |
||
1186 | test eax, eax |
||
1187 | jnz .error2 |
||
1188 | DEBUGF 1, "Socket is now connected.\n" |
||
1189 | |||
1190 | ; free allocated memory |
||
1191 | push [sockaddr] |
||
1192 | call [freeaddrinfo] |
||
1193 | |||
1194 | mov eax, [socketnum] |
||
1195 | ret |
||
1196 | |||
1197 | .error2: |
||
1198 | |||
1199 | ; free allocated memory |
||
1200 | push [sockaddr] |
||
1201 | call [freeaddrinfo] |
||
1202 | |||
1203 | .error1: |
||
1204 | xor eax, eax |
||
1205 | ret |
||
1206 | |||
1207 | endp |
||
1208 | |||
1209 | |||
4158 | hidnplayr | 1210 | ;;================================================================================================;; |
1211 | proc parse_url URL ;//////////////////////////////////////////////////////////////////////////////;; |
||
1212 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 1213 | ;? Split a given URL into hostname and pageaddr ;; |
4158 | hidnplayr | 1214 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1215 | ;> URL = ptr to ASCIIZ URL ;; |
4158 | hidnplayr | 1216 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1217 | ;< eax = 0 (error) / ptr to ASCIIZ hostname ;; |
1218 | ;< ebx = ptr to ASCIIZ pageaddr ;; |
||
4158 | hidnplayr | 1219 | ;;================================================================================================;; |
1220 | |||
1221 | locals |
||
1222 | urlsize dd ? |
||
1223 | hostname dd ? |
||
1224 | pageaddr dd ? |
||
1225 | endl |
||
1226 | |||
4161 | hidnplayr | 1227 | DEBUGF 1, "parsing URL: %s\n", [URL] |
4158 | hidnplayr | 1228 | |
1229 | ; remove any leading protocol text |
||
1230 | mov esi, [URL] |
||
1231 | mov ecx, URLMAXLEN |
||
1232 | mov ax, '//' |
||
1233 | .loop1: |
||
1234 | cmp byte[esi], 0 ; end of URL? |
||
1235 | je .url_ok ; yep, so not found |
||
1236 | cmp [esi], ax |
||
1237 | je .skip_proto |
||
1238 | inc esi |
||
1239 | dec ecx |
||
1240 | jnz .loop1 |
||
1241 | |||
4161 | hidnplayr | 1242 | DEBUGF 1, "Invalid URL\n" |
4158 | hidnplayr | 1243 | xor eax, eax |
1244 | ret |
||
1245 | |||
1246 | .skip_proto: |
||
1247 | inc esi ; skip the two '/' |
||
1248 | inc esi |
||
1249 | mov [URL], esi ; update pointer so it skips protocol |
||
1250 | jmp .loop1 ; we still need to find the length of the URL |
||
1251 | |||
1252 | .url_ok: |
||
1253 | sub esi, [URL] ; calculate total length of URL |
||
1254 | mov [urlsize], esi |
||
1255 | |||
1256 | |||
1257 | ; now look for page delimiter - it's a '/' character |
||
1258 | mov ecx, esi ; URL length |
||
1259 | mov edi, [URL] |
||
1260 | mov al, '/' |
||
1261 | repne scasb |
||
4161 | hidnplayr | 1262 | jne @f |
4158 | hidnplayr | 1263 | dec edi ; return one char, '/' must be part of the pageaddr |
1264 | inc ecx ; |
||
4161 | hidnplayr | 1265 | @@: |
4158 | hidnplayr | 1266 | push ecx edi ; remember the pointer and length of pageaddr |
1267 | |||
4222 | hidnplayr | 1268 | |
1269 | ; Create new buffer and put hostname in it |
||
4158 | hidnplayr | 1270 | mov ecx, edi |
1271 | sub ecx, [URL] |
||
1272 | inc ecx ; we will add a 0 byte at the end |
||
1273 | invoke mem.alloc, ecx |
||
1274 | or eax, eax |
||
1275 | jz .no_mem |
||
1276 | |||
1277 | mov [hostname], eax ; copy hostname to buffer |
||
1278 | mov edi, eax |
||
1279 | mov esi, [URL] |
||
1280 | dec ecx |
||
1281 | rep movsb |
||
1282 | xor al, al |
||
1283 | stosb |
||
1284 | |||
4161 | hidnplayr | 1285 | mov [pageaddr], str_slash ; assume there is no pageaddr |
4158 | hidnplayr | 1286 | pop esi ecx |
1287 | test ecx, ecx |
||
1288 | jz .no_page |
||
1289 | inc ecx ; we will add a 0 byte at the end |
||
1290 | invoke mem.alloc, ecx |
||
1291 | or eax, eax |
||
1292 | jz .no_mem |
||
1293 | |||
1294 | mov [pageaddr], eax ; copy pageaddr to buffer |
||
1295 | mov edi, eax |
||
1296 | dec ecx |
||
1297 | rep movsb |
||
1298 | xor al, al |
||
1299 | stosb |
||
1300 | .no_page: |
||
1301 | |||
1302 | mov eax, [hostname] |
||
1303 | mov ebx, [pageaddr] |
||
4221 | hidnplayr | 1304 | mov ecx, 80 ;;;; FIXME |
4158 | hidnplayr | 1305 | |
1306 | DEBUGF 1, "hostname: %s\n", eax |
||
1307 | DEBUGF 1, "pageaddr: %s\n", ebx |
||
4221 | hidnplayr | 1308 | DEBUGF 1, "port: %u\n", ecx |
4158 | hidnplayr | 1309 | |
1310 | ret |
||
1311 | |||
1312 | .no_mem: |
||
1313 | xor eax, eax |
||
1314 | ret |
||
1315 | |||
1316 | endp |
||
1317 | |||
1318 | |||
4202 | hidnplayr | 1319 | ;;================================================================================================;; |
1320 | proc ascii_dec ;//////////////////////////////////////////////////////////////////////////////////;; |
||
1321 | ;;------------------------------------------------------------------------------------------------;; |
||
1322 | ;? Convert eax to ASCII decimal number ;; |
||
1323 | ;;------------------------------------------------------------------------------------------------;; |
||
1324 | ;> eax = number ;; |
||
1325 | ;> edi = ptr where to write ASCII decimal number ;; |
||
1326 | ;;------------------------------------------------------------------------------------------------;; |
||
1327 | ;< / ;; |
||
1328 | ;;================================================================================================;; |
||
4158 | hidnplayr | 1329 | |
4168 | hidnplayr | 1330 | push -'0' |
4167 | hidnplayr | 1331 | mov ecx, 10 |
1332 | .loop: |
||
1333 | xor edx, edx |
||
1334 | div ecx |
||
1335 | add dl, '0' |
||
4168 | hidnplayr | 1336 | push edx |
4167 | hidnplayr | 1337 | test eax, eax |
1338 | jnz .loop |
||
4158 | hidnplayr | 1339 | |
4168 | hidnplayr | 1340 | .loop2: |
1341 | pop eax |
||
1342 | add al, '0' |
||
1343 | jz .done |
||
1344 | stosb |
||
1345 | jmp .loop2 |
||
1346 | .done: |
||
1347 | |||
4167 | hidnplayr | 1348 | ret |
4158 | hidnplayr | 1349 | |
4202 | hidnplayr | 1350 | endp |
4167 | hidnplayr | 1351 | |
4202 | hidnplayr | 1352 | |
4158 | hidnplayr | 1353 | ;;================================================================================================;; |
1354 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
||
1355 | ;;================================================================================================;; |
||
1356 | ;! Imported functions section ;; |
||
1357 | ;;================================================================================================;; |
||
1358 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
||
1359 | ;;================================================================================================;; |
||
1360 | |||
1361 | |||
1362 | align 16 |
||
1363 | @IMPORT: |
||
1364 | |||
1365 | library \ |
||
1366 | libini, 'libini.obj', \ |
||
1367 | network, 'network.obj' |
||
1368 | |||
1369 | import libini, \ |
||
1370 | ini.get_str, 'ini_get_str', \ |
||
1371 | ini.get_int, 'ini_get_int' |
||
1372 | |||
1373 | import network,\ |
||
1374 | getaddrinfo, 'getaddrinfo',\ |
||
1375 | freeaddrinfo, 'freeaddrinfo',\ |
||
1376 | inet_ntoa, 'inet_ntoa' |
||
1377 | |||
1378 | ;;===========================================================================;; |
||
1379 | ;;///////////////////////////////////////////////////////////////////////////;; |
||
1380 | ;;===========================================================================;; |
||
1381 | ;! Exported functions section ;; |
||
1382 | ;;===========================================================================;; |
||
1383 | ;;///////////////////////////////////////////////////////////////////////////;; |
||
1384 | ;;===========================================================================;; |
||
1385 | |||
1386 | |||
1387 | align 4 |
||
1388 | @EXPORT: |
||
1389 | export \ |
||
1390 | lib_init , 'lib_init' , \ |
||
1391 | 0x00010001 , 'version' , \ |
||
1392 | HTTP_get , 'get' , \ |
||
4167 | hidnplayr | 1393 | HTTP_head , 'head' , \ |
1394 | HTTP_post , 'post' , \ |
||
4222 | hidnplayr | 1395 | HTTP_find_header_field , 'find_header_field' , \ |
4205 | hidnplayr | 1396 | HTTP_process , 'process' , \ |
1397 | HTTP_free , 'free' , \ |
||
4209 | hidnplayr | 1398 | HTTP_stop , 'stop' , \ |
1399 | URI_escape , 'escape' , \ |
||
1400 | URI_unescape , 'unescape' |
||
4158 | hidnplayr | 1401 | |
1402 | ; HTTP_put , 'put' , \ |
||
1403 | ; HTTP_delete , 'delete' , \ |
||
1404 | ; HTTP_trace , 'trace' , \ |
||
1405 | ; HTTP_connect , 'connect' , \ |
||
1406 | |||
1407 | |||
1408 | |||
1409 | section '.data' data readable writable align 16 |
||
1410 | |||
1411 | inifile db '/sys/settings/network.ini', 0 |
||
1412 | |||
1413 | sec_proxy: |
||
1414 | key_proxy db 'proxy', 0 |
||
1415 | key_proxyport db 'port', 0 |
||
1416 | key_user db 'user', 0 |
||
1417 | key_password db 'password', 0 |
||
1418 | |||
1419 | str_http11 db ' HTTP/1.1', 13, 10, 'Host: ' |
||
1420 | .length = $ - str_http11 |
||
4167 | hidnplayr | 1421 | str_post_cl db 13, 10, 'Content-Length: ' |
1422 | .length = $ - str_post_cl |
||
1423 | str_post_ct db 13, 10, 'Content-Type: ' |
||
1424 | .length = $ - str_post_ct |
||
4158 | hidnplayr | 1425 | str_close db 13, 10, 'User-Agent: KolibriOS libHTTP/1.0', 13, 10, 'Connection: Close', 13, 10, 13, 10 |
1426 | .length = $ - str_close |
||
1427 | str_proxy_auth db 13, 10, 'Proxy-Authorization: Basic ' |
||
1428 | .length = $ - str_proxy_auth |
||
1429 | |||
1430 | base64_table db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' |
||
1431 | db '0123456789+/' |
||
1432 | |||
1433 | str_cl db 'content-length', 0 |
||
4161 | hidnplayr | 1434 | str_slash db '/', 0 |
4158 | hidnplayr | 1435 | str_te db 'transfer-encoding', 0 |
4167 | hidnplayr | 1436 | str_get db 'GET ', 0 |
1437 | str_head db 'HEAD ', 0 |
||
1438 | str_post db 'POST ', 0 |
||
4158 | hidnplayr | 1439 | |
4209 | hidnplayr | 1440 | bits_must_escape: |
1441 | dd 0xffffffff ; 00-1F |
||
1442 | dd 1 shl 0 + 1 shl 2 + 1 shl 3 + 1 shl 5 + 1 shl 28 + 1 shl 30 ; "#%<> |
||
1443 | dd 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 30 ;[\]^ |
||
1444 | dd 1 shl 0 + 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 31 ;`{|} DEL |
||
1445 | |||
1446 | dd 0xffffffff |
||
1447 | dd 0xffffffff |
||
1448 | dd 0xffffffff |
||
1449 | dd 0xffffffff |
||
1450 | |||
1451 | str_hex: |
||
1452 | db '0123456789ABCDEF' |
||
1453 | |||
4158 | hidnplayr | 1454 | include_debug_strings |
1455 | |||
1456 | ; uninitialized data |
||
1457 | mem.alloc dd ? |
||
1458 | mem.free dd ? |
||
1459 | mem.realloc dd ? |
||
1460 | dll.load dd ? |
||
1461 | |||
1462 | proxyAddr rb 256 |
||
1463 | proxyUser rb 256 |
||
1464 | proxyPassword rb 256 |
||
1465 | proxyPort dd ?>>>>>>>>>>>>>>> |