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