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Rev | Author | Line No. | Line |
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4158 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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6921 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2017. All rights reserved. ;; |
4158 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
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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4233 | hidnplayr | 9 | ;; Proxy code written by CleverMouse ;; |
4158 | hidnplayr | 10 | ;; ;; |
11 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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12 | ;; Version 2, June 1991 ;; |
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13 | ;; ;; |
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14 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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15 | |||
16 | ; references: |
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17 | ; "HTTP made really easy", http://www.jmarshall.com/easy/http/ |
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18 | ; "Hypertext Transfer Protocol -- HTTP/1.1", http://tools.ietf.org/html/rfc2616 |
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19 | |||
20 | |||
21 | URLMAXLEN = 65535 |
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4541 | hidnplayr | 22 | BUFFERSIZE = 8192 |
4690 | hidnplayr | 23 | TIMEOUT = 500 ; in 1/100 s |
4158 | hidnplayr | 24 | |
25 | __DEBUG__ = 1 |
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5732 | hidnplayr | 26 | __DEBUG_LEVEL__ = 2 |
4158 | hidnplayr | 27 | |
28 | |||
29 | format MS COFF |
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30 | |||
31 | public @EXPORT as 'EXPORTS' |
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32 | |||
33 | include '../../../struct.inc' |
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34 | include '../../../proc32.inc' |
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35 | include '../../../macros.inc' |
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36 | purge section,mov,add,sub |
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37 | include '../../../debug-fdo.inc' |
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38 | |||
39 | include '../../../network.inc' |
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40 | include 'http.inc' |
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41 | |||
42 | virtual at 0 |
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43 | http_msg http_msg |
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44 | end virtual |
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45 | |||
46 | macro copy_till_zero { |
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4241 | hidnplayr | 47 | local .copyloop, .copydone |
48 | .copyloop: |
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4158 | hidnplayr | 49 | lodsb |
50 | test al, al |
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4241 | hidnplayr | 51 | jz .copydone |
4158 | hidnplayr | 52 | stosb |
4241 | hidnplayr | 53 | jmp .copyloop |
54 | .copydone: |
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4158 | hidnplayr | 55 | } |
56 | |||
5534 | hidnplayr | 57 | macro HTTP_init_buffer buffer, socketnum, flags { |
4167 | hidnplayr | 58 | |
59 | mov eax, buffer |
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60 | push socketnum |
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61 | popd [eax + http_msg.socket] |
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4541 | hidnplayr | 62 | lea esi, [eax + http_msg.http_header] |
5534 | hidnplayr | 63 | push flags |
64 | pop [eax + http_msg.flags] |
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65 | or [eax + http_msg.flags], FLAG_CONNECTED |
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4167 | hidnplayr | 66 | mov [eax + http_msg.write_ptr], esi |
4541 | hidnplayr | 67 | mov [eax + http_msg.buffer_length], BUFFERSIZE - http_msg.http_header |
4167 | hidnplayr | 68 | mov [eax + http_msg.chunk_ptr], 0 |
69 | |||
70 | mov [eax + http_msg.status], 0 |
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71 | mov [eax + http_msg.header_length], 0 |
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4541 | hidnplayr | 72 | mov [eax + http_msg.content_ptr], 0 |
4167 | hidnplayr | 73 | mov [eax + http_msg.content_length], 0 |
4168 | hidnplayr | 74 | mov [eax + http_msg.content_received], 0 |
4206 | hidnplayr | 75 | |
76 | push eax ebp |
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77 | mov ebp, eax |
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4690 | hidnplayr | 78 | mcall 26, 9 |
4206 | hidnplayr | 79 | mov [ebp + http_msg.timestamp], eax |
80 | pop ebp eax |
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4167 | hidnplayr | 81 | } |
82 | |||
4158 | hidnplayr | 83 | section '.flat' code readable align 16 |
84 | |||
85 | ;;===========================================================================;; |
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86 | lib_init: ;//////////////////////////////////////////////////////////////////;; |
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87 | ;;---------------------------------------------------------------------------;; |
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88 | ;? Library entry point (called after library load) ;; |
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89 | ;;---------------------------------------------------------------------------;; |
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90 | ;> eax = pointer to memory allocation routine ;; |
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91 | ;> ebx = pointer to memory freeing routine ;; |
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92 | ;> ecx = pointer to memory reallocation routine ;; |
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93 | ;> edx = pointer to library loading routine ;; |
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94 | ;;---------------------------------------------------------------------------;; |
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4209 | hidnplayr | 95 | ;< eax = 1 (fail) / 0 (ok) ;; |
4158 | hidnplayr | 96 | ;;===========================================================================;; |
97 | mov [mem.alloc], eax |
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98 | mov [mem.free], ebx |
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99 | mov [mem.realloc], ecx |
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100 | mov [dll.load], edx |
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101 | |||
102 | invoke dll.load, @IMPORT |
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4209 | hidnplayr | 103 | test eax, eax |
104 | jnz .error |
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4158 | hidnplayr | 105 | |
106 | ; load proxy settings |
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4216 | hidnplayr | 107 | pusha |
4158 | hidnplayr | 108 | invoke ini.get_str, inifile, sec_proxy, key_proxy, proxyAddr, 256, proxyAddr |
109 | invoke ini.get_int, inifile, sec_proxy, key_proxyport, 80 |
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110 | mov [proxyPort], eax |
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111 | invoke ini.get_str, inifile, sec_proxy, key_user, proxyUser, 256, proxyUser |
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112 | invoke ini.get_str, inifile, sec_proxy, key_password, proxyPassword, 256, proxyPassword |
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4216 | hidnplayr | 113 | popa |
4158 | hidnplayr | 114 | |
4212 | hidnplayr | 115 | DEBUGF 1, "HTTP library: init OK\n" |
4158 | hidnplayr | 116 | xor eax, eax |
117 | ret |
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118 | |||
4209 | hidnplayr | 119 | .error: |
5732 | hidnplayr | 120 | DEBUGF 2, "ERROR loading http.obj dependencies\n" |
4158 | hidnplayr | 121 | xor eax, eax |
4209 | hidnplayr | 122 | inc eax |
4158 | hidnplayr | 123 | ret |
124 | |||
125 | |||
4996 | hidnplayr | 126 | ;;================================================================================================;; |
127 | proc HTTP_disconnect identifier ;/////////////////////////////////////////////////////////////////;; |
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128 | ;;------------------------------------------------------------------------------------------------;; |
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129 | ;? Stops the open connection ;; |
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130 | ;;------------------------------------------------------------------------------------------------;; |
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131 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
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132 | ;;------------------------------------------------------------------------------------------------;; |
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133 | ;< none ;; |
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134 | ;;================================================================================================;; |
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4158 | hidnplayr | 135 | |
4996 | hidnplayr | 136 | pusha |
137 | mov ebp, [identifier] |
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4158 | hidnplayr | 138 | |
4996 | hidnplayr | 139 | test [ebp + http_msg.flags], FLAG_CONNECTED |
140 | jz .error |
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141 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
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142 | mcall close, [ebp + http_msg.socket] |
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143 | |||
144 | popa |
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145 | ret |
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146 | |||
147 | .error: |
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5769 | hidnplayr | 148 | DEBUGF 1, "Cant close already closed connection!\n" |
4996 | hidnplayr | 149 | popa |
150 | ret |
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151 | |||
152 | endp |
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153 | |||
154 | |||
4158 | hidnplayr | 155 | ;;================================================================================================;; |
4996 | hidnplayr | 156 | proc HTTP_free identifier ;///////////////////////////////////////////////////////////////////////;; |
157 | ;;------------------------------------------------------------------------------------------------;; |
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158 | ;? Free the http_msg structure ;; |
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159 | ;;------------------------------------------------------------------------------------------------;; |
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160 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
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161 | ;;------------------------------------------------------------------------------------------------;; |
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162 | ;< none ;; |
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163 | ;;================================================================================================;; |
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164 | DEBUGF 1, "HTTP_free: 0x%x\n", [identifier] |
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165 | pusha |
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166 | mov ebp, [identifier] |
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167 | |||
168 | test [ebp + http_msg.flags], FLAG_CONNECTED |
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169 | jz .not_connected |
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170 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
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171 | mcall close, [ebp + http_msg.socket] |
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172 | |||
173 | .not_connected: |
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174 | invoke mem.free, ebp |
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175 | |||
176 | popa |
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177 | ret |
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178 | |||
179 | endp |
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180 | |||
5534 | hidnplayr | 181 | |
182 | |||
4996 | hidnplayr | 183 | ;;================================================================================================;; |
5534 | hidnplayr | 184 | proc HTTP_get URL, identifier, flags, add_header ;////////////////////////////////////////////////;; |
4158 | hidnplayr | 185 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 186 | ;? Initiates a HTTP connection, using 'GET' method. ;; |
4158 | hidnplayr | 187 | ;;------------------------------------------------------------------------------------------------;; |
5534 | hidnplayr | 188 | ;> URL = pointer to ASCIIZ URL ;; |
189 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
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190 | ;> flags = Flags indicating how to threat the connection. ;; |
||
191 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
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4158 | hidnplayr | 192 | ;;------------------------------------------------------------------------------------------------;; |
193 | ;< eax = 0 (error) / buffer ptr ;; |
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194 | ;;================================================================================================;; |
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195 | locals |
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196 | hostname dd ? |
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197 | pageaddr dd ? |
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198 | socketnum dd ? |
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199 | buffer dd ? |
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4167 | hidnplayr | 200 | port dd ? |
4158 | hidnplayr | 201 | endl |
202 | |||
5537 | hidnplayr | 203 | and [flags], 0xff00 ; filter out invalid flags |
5534 | hidnplayr | 204 | |
4216 | hidnplayr | 205 | pusha |
206 | |||
4158 | hidnplayr | 207 | ; split the URL into hostname and pageaddr |
208 | stdcall parse_url, [URL] |
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209 | test eax, eax |
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210 | jz .error |
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211 | mov [hostname], eax |
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212 | mov [pageaddr], ebx |
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4221 | hidnplayr | 213 | mov [port], ecx |
4158 | hidnplayr | 214 | |
5534 | hidnplayr | 215 | mov eax, [identifier] |
216 | test eax, eax |
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217 | jz .open_new |
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218 | test [eax + http_msg.flags], FLAG_CONNECTED |
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219 | jz .error |
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220 | mov eax, [eax + http_msg.socket] |
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221 | mov [socketnum], eax |
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222 | jmp .send_request |
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223 | |||
4167 | hidnplayr | 224 | ; Connect to the other side. |
5534 | hidnplayr | 225 | .open_new: |
4167 | hidnplayr | 226 | stdcall open_connection, [hostname], [port] |
4158 | hidnplayr | 227 | test eax, eax |
4167 | hidnplayr | 228 | jz .error |
229 | mov [socketnum], eax |
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4158 | hidnplayr | 230 | |
4167 | hidnplayr | 231 | ; Create the HTTP request. |
5534 | hidnplayr | 232 | .send_request: |
4167 | hidnplayr | 233 | invoke mem.alloc, BUFFERSIZE |
4158 | hidnplayr | 234 | test eax, eax |
235 | jz .error |
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4167 | hidnplayr | 236 | mov [buffer], eax |
237 | mov edi, eax |
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4541 | hidnplayr | 238 | DEBUGF 1, "Buffer allocated: 0x%x\n", eax |
4158 | hidnplayr | 239 | |
4167 | hidnplayr | 240 | mov esi, str_get |
241 | copy_till_zero |
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4158 | hidnplayr | 242 | |
4233 | hidnplayr | 243 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
244 | cmp [proxyAddr], 0 |
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245 | je .no_proxy |
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246 | mov esi, str_http ; prepend 'http://' |
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247 | copy_till_zero |
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248 | mov esi, [hostname] |
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249 | copy_till_zero |
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250 | .no_proxy: |
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4167 | hidnplayr | 251 | mov esi, [pageaddr] |
252 | copy_till_zero |
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4158 | hidnplayr | 253 | |
4167 | hidnplayr | 254 | mov esi, str_http11 |
255 | mov ecx, str_http11.length |
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256 | rep movsb |
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257 | |||
258 | mov esi, [hostname] |
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259 | copy_till_zero |
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260 | |||
4241 | hidnplayr | 261 | cmp byte[proxyUser], 0 |
262 | je @f |
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263 | call append_proxy_auth_header |
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264 | @@: |
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265 | |||
266 | mov ax, 0x0a0d |
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267 | stosw |
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268 | |||
4221 | hidnplayr | 269 | mov esi, [add_header] |
270 | test esi, esi |
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271 | jz @f |
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272 | copy_till_zero |
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273 | @@: |
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274 | |||
4167 | hidnplayr | 275 | mov esi, str_close |
276 | mov ecx, str_close.length |
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5534 | hidnplayr | 277 | test [flags], FLAG_KEEPALIVE |
278 | jz @f |
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279 | mov esi, str_keep |
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280 | mov ecx, str_keep.length |
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281 | @@: |
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4167 | hidnplayr | 282 | rep movsb |
283 | |||
284 | mov byte[edi], 0 |
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285 | DEBUGF 1, "Request:\n%s", [buffer] |
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286 | |||
4222 | hidnplayr | 287 | ; Free unused memory |
288 | push edi |
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289 | invoke mem.free, [pageaddr] |
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290 | invoke mem.free, [hostname] |
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291 | pop esi |
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292 | |||
4167 | hidnplayr | 293 | ; Send the request |
294 | sub esi, [buffer] ; length |
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295 | xor edi, edi ; flags |
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296 | mcall send, [socketnum], [buffer] |
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4158 | hidnplayr | 297 | test eax, eax |
298 | jz .error |
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4167 | hidnplayr | 299 | DEBUGF 1, "Request has been sent to server.\n" |
4158 | hidnplayr | 300 | |
5534 | hidnplayr | 301 | cmp [identifier], 0 |
5769 | hidnplayr | 302 | je .new_connection |
303 | invoke mem.free, [buffer] |
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304 | mov eax, [identifier] |
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305 | mov [buffer], eax |
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306 | .new_connection: |
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5534 | hidnplayr | 307 | HTTP_init_buffer [buffer], [socketnum], [flags] |
4216 | hidnplayr | 308 | popa |
309 | mov eax, [buffer] ; return buffer ptr |
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310 | ret |
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4167 | hidnplayr | 311 | |
312 | .error: |
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5732 | hidnplayr | 313 | DEBUGF 2, "HTTP GET error!\n" |
4216 | hidnplayr | 314 | popa |
4167 | hidnplayr | 315 | xor eax, eax ; return 0 = error |
316 | ret |
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317 | |||
318 | endp |
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319 | |||
320 | |||
321 | |||
322 | ;;================================================================================================;; |
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5534 | hidnplayr | 323 | proc HTTP_head URL, identifier, flags, add_header ;///////////////////////////////////////////////;; |
4167 | hidnplayr | 324 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 325 | ;? Initiates a HTTP connection, using 'HEAD' method. ;; |
4541 | hidnplayr | 326 | ;? This will only return HTTP header and status, no content ;; |
4167 | hidnplayr | 327 | ;;------------------------------------------------------------------------------------------------;; |
5534 | hidnplayr | 328 | ;> URL = pointer to ASCIIZ URL ;; |
329 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
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330 | ;> flags = Flags indicating how to threat the connection. ;; |
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331 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
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4167 | hidnplayr | 332 | ;;------------------------------------------------------------------------------------------------;; |
333 | ;< eax = 0 (error) / buffer ptr ;; |
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334 | ;;================================================================================================;; |
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335 | locals |
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336 | hostname dd ? |
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337 | pageaddr dd ? |
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338 | socketnum dd ? |
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339 | buffer dd ? |
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340 | port dd ? |
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341 | endl |
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342 | |||
5537 | hidnplayr | 343 | and [flags], 0xff00 ; filter out invalid flags |
5534 | hidnplayr | 344 | |
4216 | hidnplayr | 345 | pusha |
4167 | hidnplayr | 346 | ; split the URL into hostname and pageaddr |
347 | stdcall parse_url, [URL] |
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4158 | hidnplayr | 348 | test eax, eax |
4167 | hidnplayr | 349 | jz .error |
350 | mov [hostname], eax |
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351 | mov [pageaddr], ebx |
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4221 | hidnplayr | 352 | mov [port], ecx |
4158 | hidnplayr | 353 | |
5534 | hidnplayr | 354 | mov eax, [identifier] |
355 | test eax, eax |
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356 | jz .open_new |
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357 | test [eax + http_msg.flags], FLAG_CONNECTED |
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358 | jz .error |
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359 | mov eax, [eax + http_msg.socket] |
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360 | mov [socketnum], eax |
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361 | jmp .send_request |
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362 | |||
4167 | hidnplayr | 363 | ; Connect to the other side. |
5534 | hidnplayr | 364 | .open_new: |
4167 | hidnplayr | 365 | stdcall open_connection, [hostname], [port] |
366 | test eax, eax |
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367 | jz .error |
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368 | mov [socketnum], eax |
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369 | |||
4158 | hidnplayr | 370 | ; Create the HTTP request. |
5534 | hidnplayr | 371 | .send_request: |
4158 | hidnplayr | 372 | invoke mem.alloc, BUFFERSIZE |
373 | test eax, eax |
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374 | jz .error |
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375 | mov [buffer], eax |
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4167 | hidnplayr | 376 | mov edi, eax |
4158 | hidnplayr | 377 | DEBUGF 1, "Buffer has been allocated.\n" |
378 | |||
4167 | hidnplayr | 379 | mov esi, str_head |
4158 | hidnplayr | 380 | copy_till_zero |
381 | |||
4233 | hidnplayr | 382 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
383 | cmp [proxyAddr], 0 |
||
384 | je .no_proxy |
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385 | mov esi, str_http ; prepend 'http://' |
||
386 | copy_till_zero |
||
387 | mov esi, [hostname] |
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388 | copy_till_zero |
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389 | .no_proxy: |
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4167 | hidnplayr | 390 | mov esi, [pageaddr] |
391 | copy_till_zero |
||
392 | |||
4158 | hidnplayr | 393 | mov esi, str_http11 |
394 | mov ecx, str_http11.length |
||
395 | rep movsb |
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396 | |||
397 | mov esi, [hostname] |
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398 | copy_till_zero |
||
399 | |||
4241 | hidnplayr | 400 | cmp byte[proxyUser], 0 |
401 | je @f |
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402 | call append_proxy_auth_header |
||
403 | @@: |
||
404 | |||
405 | mov ax, 0x0a0d |
||
406 | stosw |
||
407 | |||
4221 | hidnplayr | 408 | mov esi, [add_header] |
409 | test esi, esi |
||
410 | jz @f |
||
411 | copy_till_zero |
||
412 | @@: |
||
413 | |||
4158 | hidnplayr | 414 | mov esi, str_close |
415 | mov ecx, str_close.length |
||
5534 | hidnplayr | 416 | test [flags], FLAG_KEEPALIVE |
417 | jz @f |
||
418 | mov esi, str_keep |
||
419 | mov ecx, str_keep.length |
||
420 | @@: |
||
4158 | hidnplayr | 421 | rep movsb |
422 | |||
423 | mov byte[edi], 0 |
||
424 | DEBUGF 1, "Request:\n%s", [buffer] |
||
425 | |||
4222 | hidnplayr | 426 | ; Free unused memory |
427 | push edi |
||
428 | invoke mem.free, [pageaddr] |
||
429 | invoke mem.free, [hostname] |
||
430 | pop esi |
||
431 | |||
4167 | hidnplayr | 432 | ; Send the request |
4158 | hidnplayr | 433 | sub esi, [buffer] ; length |
434 | xor edi, edi ; flags |
||
435 | mcall send, [socketnum], [buffer] |
||
436 | test eax, eax |
||
437 | jz .error |
||
438 | DEBUGF 1, "Request has been sent to server.\n" |
||
439 | |||
5534 | hidnplayr | 440 | cmp [identifier], 0 |
5769 | hidnplayr | 441 | je .new_connection |
442 | invoke mem.free, [buffer] |
||
443 | mov eax, [identifier] |
||
444 | mov [buffer], eax |
||
445 | .new_connection: |
||
5534 | hidnplayr | 446 | HTTP_init_buffer [buffer], [socketnum], [flags] |
4216 | hidnplayr | 447 | popa |
5534 | hidnplayr | 448 | mov eax, [buffer] ; return buffer ptr |
449 | ret |
||
4158 | hidnplayr | 450 | |
4167 | hidnplayr | 451 | .error: |
5732 | hidnplayr | 452 | DEBUGF 2, "HTTP HEAD error!\n" |
4216 | hidnplayr | 453 | popa |
4167 | hidnplayr | 454 | xor eax, eax ; return 0 = error |
455 | ret |
||
456 | |||
457 | endp |
||
458 | |||
459 | |||
460 | ;;================================================================================================;; |
||
5534 | hidnplayr | 461 | proc HTTP_post URL, identifier, flags, add_header, content_type, content_length ;/////////////////;; |
4167 | hidnplayr | 462 | ;;------------------------------------------------------------------------------------------------;; |
4541 | hidnplayr | 463 | ;? Initiates a HTTP connection, using 'POST' method. ;; |
464 | ;? This method is used to send data to the HTTP server ;; |
||
4167 | hidnplayr | 465 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 466 | ;> URL = pointer to ASCIIZ URL ;; |
5534 | hidnplayr | 467 | ;> identifier = Identifier of an already open connection, or NULL to create a new one. ;; |
468 | ;> flags = Flags indicating how to threat the connection. ;; |
||
469 | ;> add_header = pointer to additional header parameters (ASCIIZ), or NULL for none. ;; |
||
4202 | hidnplayr | 470 | ;> content_type = pointer to ASCIIZ string containing content type ;; |
471 | ;> content_length = length of content (in bytes) ;; |
||
4167 | hidnplayr | 472 | ;;------------------------------------------------------------------------------------------------;; |
5534 | hidnplayr | 473 | ;< eax = 0 (error) / buffer ptr (aka Identifier) ;; |
4167 | hidnplayr | 474 | ;;================================================================================================;; |
475 | locals |
||
476 | hostname dd ? |
||
477 | pageaddr dd ? |
||
478 | socketnum dd ? |
||
479 | buffer dd ? |
||
480 | port dd ? |
||
481 | endl |
||
482 | |||
5537 | hidnplayr | 483 | and [flags], 0xff00 ; filter out invalid flags |
5534 | hidnplayr | 484 | |
4216 | hidnplayr | 485 | pusha |
4167 | hidnplayr | 486 | ; split the URL into hostname and pageaddr |
487 | stdcall parse_url, [URL] |
||
488 | test eax, eax |
||
489 | jz .error |
||
490 | mov [hostname], eax |
||
491 | mov [pageaddr], ebx |
||
4221 | hidnplayr | 492 | mov [port], ecx |
4167 | hidnplayr | 493 | |
5534 | hidnplayr | 494 | mov eax, [identifier] |
495 | test eax, eax |
||
496 | jz .open_new |
||
497 | test [eax + http_msg.flags], FLAG_CONNECTED |
||
498 | jz .error |
||
499 | mov eax, [eax + http_msg.socket] |
||
500 | mov [socketnum], eax |
||
501 | jmp .send_request |
||
502 | |||
4167 | hidnplayr | 503 | ; Connect to the other side. |
5534 | hidnplayr | 504 | .open_new: |
4167 | hidnplayr | 505 | stdcall open_connection, [hostname], [port] |
506 | test eax, eax |
||
507 | jz .error |
||
508 | mov [socketnum], eax |
||
509 | |||
510 | ; Create the HTTP request. |
||
5534 | hidnplayr | 511 | .send_request: |
4167 | hidnplayr | 512 | invoke mem.alloc, BUFFERSIZE |
513 | test eax, eax |
||
514 | jz .error |
||
515 | mov [buffer], eax |
||
516 | mov edi, eax |
||
517 | DEBUGF 1, "Buffer has been allocated.\n" |
||
518 | |||
519 | mov esi, str_post |
||
520 | copy_till_zero |
||
521 | |||
4233 | hidnplayr | 522 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
523 | cmp [proxyAddr], 0 |
||
524 | je .no_proxy |
||
525 | mov esi, str_http ; prepend 'http://' |
||
526 | copy_till_zero |
||
527 | mov esi, [hostname] |
||
528 | copy_till_zero |
||
529 | .no_proxy: |
||
4167 | hidnplayr | 530 | mov esi, [pageaddr] |
531 | copy_till_zero |
||
532 | |||
533 | mov esi, str_http11 |
||
534 | mov ecx, str_http11.length |
||
535 | rep movsb |
||
536 | |||
537 | mov esi, [hostname] |
||
538 | copy_till_zero |
||
539 | |||
540 | mov esi, str_post_cl |
||
541 | mov ecx, str_post_cl.length |
||
542 | rep movsb |
||
543 | |||
544 | mov eax, [content_length] |
||
4233 | hidnplayr | 545 | call eax_ascii_dec |
4167 | hidnplayr | 546 | |
547 | mov esi, str_post_ct |
||
548 | mov ecx, str_post_ct.length |
||
549 | rep movsb |
||
550 | |||
551 | mov esi, [content_type] |
||
4221 | hidnplayr | 552 | copy_till_zero |
4167 | hidnplayr | 553 | |
4241 | hidnplayr | 554 | cmp byte[proxyUser], 0 |
555 | je @f |
||
556 | call append_proxy_auth_header |
||
557 | @@: |
||
558 | |||
559 | mov ax, 0x0a0d |
||
560 | stosw |
||
561 | |||
4221 | hidnplayr | 562 | mov esi, [add_header] |
563 | test esi, esi |
||
564 | jz @f |
||
565 | copy_till_zero |
||
566 | @@: |
||
567 | |||
4167 | hidnplayr | 568 | mov esi, str_close |
569 | mov ecx, str_close.length |
||
5534 | hidnplayr | 570 | test [flags], FLAG_KEEPALIVE |
571 | jz @f |
||
572 | mov esi, str_keep |
||
573 | mov ecx, str_keep.length |
||
574 | @@: |
||
4167 | hidnplayr | 575 | rep movsb |
576 | |||
577 | mov byte[edi], 0 |
||
578 | DEBUGF 1, "Request:\n%s", [buffer] |
||
579 | |||
4222 | hidnplayr | 580 | ; Free unused memory |
581 | push edi |
||
582 | invoke mem.free, [pageaddr] |
||
583 | invoke mem.free, [hostname] |
||
584 | pop esi |
||
585 | |||
4167 | hidnplayr | 586 | ; Send the request |
587 | sub esi, [buffer] ; length |
||
588 | xor edi, edi ; flags |
||
589 | mcall send, [socketnum], [buffer] |
||
590 | test eax, eax |
||
591 | jz .error |
||
592 | DEBUGF 1, "Request has been sent to server.\n" |
||
593 | |||
5534 | hidnplayr | 594 | cmp [identifier], 0 |
5769 | hidnplayr | 595 | je .new_connection |
596 | invoke mem.free, [buffer] |
||
597 | mov eax, [identifier] |
||
598 | mov [buffer], eax |
||
599 | .new_connection: |
||
5534 | hidnplayr | 600 | HTTP_init_buffer [buffer], [socketnum], [flags] |
4216 | hidnplayr | 601 | popa |
5534 | hidnplayr | 602 | mov eax, [buffer] ; return buffer ptr |
603 | ret |
||
4158 | hidnplayr | 604 | |
605 | .error: |
||
5732 | hidnplayr | 606 | DEBUGF 1, "HTTP POST error!\n" |
4216 | hidnplayr | 607 | popa |
4158 | hidnplayr | 608 | xor eax, eax ; return 0 = error |
609 | ret |
||
610 | |||
611 | endp |
||
612 | |||
613 | |||
614 | |||
615 | ;;================================================================================================;; |
||
4996 | hidnplayr | 616 | proc HTTP_receive identifier ;////////////////////////////////////////////////////////////////////;; |
4158 | hidnplayr | 617 | ;;------------------------------------------------------------------------------------------------;; |
4996 | hidnplayr | 618 | ;? Receive data from the server, parse headers and put data in receive buffer(s). ;; |
4202 | hidnplayr | 619 | ;? To complete a transfer, this procedure must be called over and over again untill it returns 0. ;; |
4158 | hidnplayr | 620 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 621 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
4158 | hidnplayr | 622 | ;;------------------------------------------------------------------------------------------------;; |
623 | ;< eax = -1 (not finished) / 0 finished ;; |
||
624 | ;;================================================================================================;; |
||
4690 | hidnplayr | 625 | |
4158 | hidnplayr | 626 | pusha |
627 | mov ebp, [identifier] |
||
4162 | hidnplayr | 628 | |
4209 | hidnplayr | 629 | ; If the connection is closed, return immediately |
4205 | hidnplayr | 630 | test [ebp + http_msg.flags], FLAG_CONNECTED |
631 | jz .connection_closed |
||
632 | |||
5534 | hidnplayr | 633 | ; If the buffer is full, allocate a new one |
634 | cmp [ebp + http_msg.buffer_length], 0 |
||
635 | jne .receive |
||
636 | |||
5537 | hidnplayr | 637 | test [ebp + http_msg.flags], FLAG_STREAM |
5534 | hidnplayr | 638 | jz .err_header |
639 | |||
5537 | hidnplayr | 640 | test [ebp + http_msg.flags], FLAG_REUSE_BUFFER |
641 | jz .new_buffer |
||
642 | |||
643 | mov eax, [ebp + http_msg.content_ptr] |
||
644 | mov [ebp + http_msg.write_ptr], eax |
||
645 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
||
646 | jmp .receive |
||
647 | |||
648 | .new_buffer: |
||
5534 | hidnplayr | 649 | invoke mem.alloc, BUFFERSIZE |
650 | test eax, eax |
||
651 | jz .err_no_ram |
||
652 | mov [ebp + http_msg.content_ptr], eax |
||
653 | mov [ebp + http_msg.write_ptr], eax |
||
654 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
||
5537 | hidnplayr | 655 | DEBUGF 1, "New buffer: 0x%x\n", eax |
5534 | hidnplayr | 656 | |
4162 | hidnplayr | 657 | ; Receive some data |
5534 | hidnplayr | 658 | .receive: |
5732 | hidnplayr | 659 | mov edi, MSG_DONTWAIT |
660 | test [ebp + http_msg.flags], FLAG_BLOCK |
||
661 | jz @f |
||
662 | xor edi, edi |
||
663 | @@: |
||
4158 | hidnplayr | 664 | mcall recv, [ebp + http_msg.socket], [ebp + http_msg.write_ptr], \ |
5732 | hidnplayr | 665 | [ebp + http_msg.buffer_length] |
4158 | hidnplayr | 666 | cmp eax, 0xffffffff |
667 | je .check_socket |
||
4220 | hidnplayr | 668 | |
669 | test eax, eax |
||
670 | jz .server_closed |
||
4158 | hidnplayr | 671 | DEBUGF 1, "Received %u bytes\n", eax |
672 | |||
4209 | hidnplayr | 673 | ; Update timestamp |
4206 | hidnplayr | 674 | push eax |
4690 | hidnplayr | 675 | mcall 26, 9 |
4206 | hidnplayr | 676 | mov [ebp + http_msg.timestamp], eax |
677 | pop eax |
||
678 | |||
4162 | hidnplayr | 679 | ; Update pointers |
4158 | hidnplayr | 680 | mov edi, [ebp + http_msg.write_ptr] |
681 | add [ebp + http_msg.write_ptr], eax |
||
682 | sub [ebp + http_msg.buffer_length], eax |
||
4162 | hidnplayr | 683 | |
684 | ; If data is chunked, combine chunks into contiguous data. |
||
685 | test [ebp + http_msg.flags], FLAG_CHUNKED |
||
686 | jnz .chunk_loop |
||
687 | |||
4212 | hidnplayr | 688 | ; Did we detect the (final) header yet? |
4158 | hidnplayr | 689 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
690 | jnz .header_parsed |
||
691 | |||
4690 | hidnplayr | 692 | ;-------------------------------------------------------------- |
693 | ; |
||
694 | ; Header parsing code begins here |
||
695 | ; |
||
696 | |||
4212 | hidnplayr | 697 | ; We havent found the (final) header yet, search for it.. |
698 | .scan_again: |
||
699 | ; eax = total number of bytes received so far |
||
700 | mov eax, [ebp + http_msg.write_ptr] |
||
4541 | hidnplayr | 701 | sub eax, http_msg.http_header |
4212 | hidnplayr | 702 | sub eax, ebp |
703 | sub eax, [ebp + http_msg.header_length] |
||
704 | ; edi is ptr to begin of header |
||
4541 | hidnplayr | 705 | lea edi, [ebp + http_msg.http_header] |
4212 | hidnplayr | 706 | add edi, [ebp + http_msg.header_length] |
707 | ; put it in esi for next proc too |
||
708 | mov esi, edi |
||
709 | sub eax, 3 |
||
4690 | hidnplayr | 710 | jle .need_more_data_for_header |
4212 | hidnplayr | 711 | .scan_loop: |
4158 | hidnplayr | 712 | ; scan for end of header (empty line) |
713 | cmp dword[edi], 0x0a0d0a0d ; end of header |
||
714 | je .end_of_header |
||
4212 | hidnplayr | 715 | cmp word[edi+2], 0x0a0a ; notice the use of offset + 2, to calculate header length correctly :) |
4158 | hidnplayr | 716 | je .end_of_header |
717 | inc edi |
||
718 | dec eax |
||
4212 | hidnplayr | 719 | jnz .scan_loop |
4690 | hidnplayr | 720 | jmp .need_more_data_for_header |
4158 | hidnplayr | 721 | |
722 | .end_of_header: |
||
4541 | hidnplayr | 723 | add edi, 4 - http_msg.http_header |
4158 | hidnplayr | 724 | sub edi, ebp |
4212 | hidnplayr | 725 | 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 | 726 | DEBUGF 1, "Header length: %u\n", edi |
727 | |||
4690 | hidnplayr | 728 | ; Ok, we have found the header |
4212 | hidnplayr | 729 | cmp dword[esi], 'HTTP' |
4690 | hidnplayr | 730 | jne .err_header |
4212 | hidnplayr | 731 | cmp dword[esi+4], '/1.0' |
4158 | hidnplayr | 732 | je .http_1.0 |
4212 | hidnplayr | 733 | cmp dword[esi+4], '/1.1' |
4690 | hidnplayr | 734 | jne .err_header |
4158 | hidnplayr | 735 | or [ebp + http_msg.flags], FLAG_HTTP11 |
736 | .http_1.0: |
||
4212 | hidnplayr | 737 | cmp byte[esi+8], ' ' |
4690 | hidnplayr | 738 | jne .err_header |
4158 | hidnplayr | 739 | |
4212 | hidnplayr | 740 | add esi, 9 |
4158 | hidnplayr | 741 | xor eax, eax |
742 | xor ebx, ebx |
||
743 | mov ecx, 3 |
||
744 | .statusloop: |
||
745 | lodsb |
||
746 | sub al, '0' |
||
4690 | hidnplayr | 747 | jb .err_header |
4158 | hidnplayr | 748 | cmp al, 9 |
4690 | hidnplayr | 749 | ja .err_header |
4158 | hidnplayr | 750 | lea ebx, [ebx + 4*ebx] |
751 | shl ebx, 1 |
||
752 | add ebx, eax |
||
753 | dec ecx |
||
754 | jnz .statusloop |
||
4212 | hidnplayr | 755 | |
4690 | hidnplayr | 756 | ; Ignore "100 - Continue" lines |
4212 | hidnplayr | 757 | cmp ebx, 100 |
758 | je .scan_again |
||
759 | |||
760 | DEBUGF 1, "Status: %u\n", ebx |
||
4158 | hidnplayr | 761 | mov [ebp + http_msg.status], ebx |
4212 | hidnplayr | 762 | or [ebp + http_msg.flags], FLAG_GOT_HEADER |
4158 | hidnplayr | 763 | |
764 | ; Now, convert all header names to lowercase. |
||
765 | ; This way, it will be much easier to find certain header fields, later on. |
||
4541 | hidnplayr | 766 | lea esi, [ebp + http_msg.http_header] |
4158 | hidnplayr | 767 | mov ecx, [ebp + http_msg.header_length] |
768 | .need_newline: |
||
769 | inc esi |
||
770 | dec ecx |
||
771 | jz .convert_done |
||
772 | cmp byte[esi], 10 |
||
773 | jne .need_newline |
||
4690 | hidnplayr | 774 | ; We have found a newline |
775 | ; A line beginning with space or tabs has no header fields. |
||
4158 | hidnplayr | 776 | inc esi |
777 | dec ecx |
||
778 | jz .convert_done |
||
779 | cmp byte[esi], ' ' |
||
780 | je .need_newline |
||
781 | cmp byte[esi], 9 ; horizontal tab |
||
782 | je .need_newline |
||
783 | jmp .convert_loop |
||
784 | .next_char: |
||
785 | inc esi |
||
786 | dec ecx |
||
787 | jz .convert_done |
||
788 | .convert_loop: |
||
789 | cmp byte[esi], ':' |
||
790 | je .need_newline |
||
791 | cmp byte[esi], 'A' |
||
792 | jb .next_char |
||
793 | cmp byte[esi], 'Z' |
||
794 | ja .next_char |
||
795 | or byte[esi], 0x20 ; convert to lowercase |
||
796 | jmp .next_char |
||
797 | .convert_done: |
||
798 | mov byte[esi-1], 0 |
||
4541 | hidnplayr | 799 | lea esi, [ebp + http_msg.http_header] |
4158 | hidnplayr | 800 | DEBUGF 1, "Header names converted to lowercase:\n%s\n", esi |
801 | |||
802 | ; Check for content-length header field. |
||
4222 | hidnplayr | 803 | stdcall HTTP_find_header_field, ebp, str_cl |
4158 | hidnplayr | 804 | test eax, eax |
805 | jz .no_content |
||
806 | or [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
||
807 | |||
808 | xor edx, edx |
||
809 | .cl_loop: |
||
810 | movzx ebx, byte[eax] |
||
811 | inc eax |
||
812 | cmp bl, 10 |
||
813 | je .cl_ok |
||
814 | cmp bl, 13 |
||
815 | je .cl_ok |
||
816 | cmp bl, ' ' |
||
817 | je .cl_ok |
||
818 | sub bl, '0' |
||
4690 | hidnplayr | 819 | jb .err_header |
4158 | hidnplayr | 820 | cmp bl, 9 |
4690 | hidnplayr | 821 | ja .err_header |
4158 | hidnplayr | 822 | lea edx, [edx + edx*4] ; edx = edx*10 |
823 | shl edx, 1 ; |
||
824 | add edx, ebx |
||
825 | jmp .cl_loop |
||
826 | |||
827 | .cl_ok: |
||
828 | mov [ebp + http_msg.content_length], edx |
||
829 | DEBUGF 1, "Content-length: %u\n", edx |
||
830 | |||
4541 | hidnplayr | 831 | test edx, edx |
832 | jz .got_all_data |
||
4158 | hidnplayr | 833 | |
4541 | hidnplayr | 834 | call alloc_contentbuff |
835 | test eax, eax |
||
4690 | hidnplayr | 836 | jz .err_no_ram |
4541 | hidnplayr | 837 | xor eax, eax |
838 | jmp .header_parsed |
||
4203 | hidnplayr | 839 | |
4158 | hidnplayr | 840 | .no_content: |
841 | DEBUGF 1, "Content-length not found.\n" |
||
842 | ; We didnt find 'content-length', maybe server is using chunked transfer encoding? |
||
5537 | hidnplayr | 843 | .multibuffer: |
4158 | hidnplayr | 844 | ; Try to find 'transfer-encoding' header. |
4222 | hidnplayr | 845 | stdcall HTTP_find_header_field, ebp, str_te |
4158 | hidnplayr | 846 | test eax, eax |
4541 | hidnplayr | 847 | jnz .ct_hdr_found |
4158 | hidnplayr | 848 | |
4541 | hidnplayr | 849 | .not_chunked: |
850 | mov edx, BUFFERSIZE |
||
851 | call alloc_contentbuff |
||
852 | test eax, eax |
||
4690 | hidnplayr | 853 | jz .err_no_ram |
4541 | hidnplayr | 854 | xor eax, eax |
855 | jmp .header_parsed |
||
856 | |||
857 | .ct_hdr_found: |
||
4158 | hidnplayr | 858 | mov ebx, dword[eax] |
4162 | hidnplayr | 859 | or ebx, 0x20202020 |
4158 | hidnplayr | 860 | cmp ebx, 'chun' |
4220 | hidnplayr | 861 | jne .not_chunked |
4158 | hidnplayr | 862 | mov ebx, dword[eax+4] |
4162 | hidnplayr | 863 | or ebx, 0x00202020 |
864 | and ebx, 0x00ffffff |
||
4158 | hidnplayr | 865 | cmp ebx, 'ked' |
4220 | hidnplayr | 866 | jne .not_chunked |
4158 | hidnplayr | 867 | |
868 | or [ebp + http_msg.flags], FLAG_CHUNKED |
||
869 | DEBUGF 1, "Transfer type is: chunked\n" |
||
870 | |||
4541 | hidnplayr | 871 | mov edx, BUFFERSIZE |
872 | call alloc_contentbuff |
||
873 | test eax, eax |
||
4690 | hidnplayr | 874 | jz .err_no_ram |
4541 | hidnplayr | 875 | |
4158 | hidnplayr | 876 | ; Set chunk pointer where first chunk should begin. |
4541 | hidnplayr | 877 | mov eax, [ebp + http_msg.content_ptr] |
4158 | hidnplayr | 878 | mov [ebp + http_msg.chunk_ptr], eax |
879 | |||
4690 | hidnplayr | 880 | ;-------------------------------------------------------------- |
881 | ; |
||
882 | ; Chunk parsing code begins here |
||
883 | ; |
||
884 | |||
4162 | hidnplayr | 885 | .chunk_loop: |
4158 | hidnplayr | 886 | mov ecx, [ebp + http_msg.write_ptr] |
887 | sub ecx, [ebp + http_msg.chunk_ptr] |
||
4690 | hidnplayr | 888 | jbe .need_more_data_chunked |
889 | |||
4202 | hidnplayr | 890 | ; Chunkline starts here, convert the ASCII hex number into ebx |
4158 | hidnplayr | 891 | mov esi, [ebp + http_msg.chunk_ptr] |
4690 | hidnplayr | 892 | DEBUGF 1, "Chunkline begins at 0x%x\n", esi |
893 | |||
4158 | hidnplayr | 894 | xor ebx, ebx |
4690 | hidnplayr | 895 | cmp byte[esi], 0x0d |
896 | jne .chunk_hex_loop |
||
897 | dec ecx |
||
898 | jz .need_more_data_chunked |
||
899 | inc esi |
||
900 | cmp byte[esi], 0x0a |
||
901 | jne .chunk_hex_loop |
||
902 | dec ecx |
||
903 | jz .need_more_data_chunked |
||
904 | inc esi |
||
905 | .chunk_hex_loop: |
||
4158 | hidnplayr | 906 | lodsb |
907 | sub al, '0' |
||
4690 | hidnplayr | 908 | jb .chunk_hex_end |
4158 | hidnplayr | 909 | cmp al, 9 |
910 | jbe .chunk_hex |
||
4162 | hidnplayr | 911 | sub al, 'A' - '0' - 10 |
4690 | hidnplayr | 912 | jb .chunk_hex_end |
4162 | hidnplayr | 913 | cmp al, 15 |
4158 | hidnplayr | 914 | jbe .chunk_hex |
915 | sub al, 'a' - 'A' |
||
4162 | hidnplayr | 916 | cmp al, 15 |
4690 | hidnplayr | 917 | ja .chunk_hex_end |
4158 | hidnplayr | 918 | .chunk_hex: |
919 | shl ebx, 4 |
||
920 | add bl, al |
||
4690 | hidnplayr | 921 | dec ecx |
922 | jnz .chunk_hex_loop |
||
923 | jmp .need_more_data_chunked |
||
924 | .chunk_hex_end: |
||
925 | ; Chunkline ends with a CR LF or simply LF |
||
4541 | hidnplayr | 926 | dec esi |
4202 | hidnplayr | 927 | .end_of_chunkline?: |
4541 | hidnplayr | 928 | lodsb |
4690 | hidnplayr | 929 | cmp al, 10 ; chunkline must always end with LF |
4158 | hidnplayr | 930 | je .end_of_chunkline |
4690 | hidnplayr | 931 | dec ecx |
932 | jnz .end_of_chunkline? |
||
933 | xor eax, eax |
||
934 | jmp .need_more_data_chunked ; chunkline is incomplete, request more data |
||
4158 | hidnplayr | 935 | .end_of_chunkline: |
4690 | hidnplayr | 936 | DEBUGF 1, "Chunk of 0x%x bytes\n", ebx |
4541 | hidnplayr | 937 | ; If chunk size is 0, all chunks have been received. |
938 | test ebx, ebx |
||
939 | jz .got_all_data_chunked |
||
4690 | hidnplayr | 940 | ; Calculate how many data bytes we have received already |
4541 | hidnplayr | 941 | mov ecx, [ebp + http_msg.write_ptr] |
4690 | hidnplayr | 942 | sub ecx, [ebp + http_msg.chunk_ptr] ; ecx is now number of received data bytes |
943 | ; Update content_received counter |
||
944 | add [ebp + http_msg.content_received], ecx |
||
945 | ; Calculate new write ptr |
||
946 | mov edx, esi |
||
947 | sub edx, [ebp + http_msg.chunk_ptr] ; edx is now length of chunkline |
||
948 | sub [ebp + http_msg.write_ptr], edx |
||
5537 | hidnplayr | 949 | test [ebp + http_msg.flags], FLAG_STREAM |
5534 | hidnplayr | 950 | jnz .dont_resize |
4162 | hidnplayr | 951 | ; Realloc buffer, make it 'chunksize' bigger. |
4690 | hidnplayr | 952 | lea edx, [ebx + BUFFERSIZE] |
953 | mov [ebp + http_msg.buffer_length], edx ; remaining space in new buffer |
||
954 | add edx, [ebp + http_msg.write_ptr] |
||
955 | sub edx, [ebp + http_msg.content_ptr] |
||
956 | DEBUGF 1, "Resizing buffer 0x%x, it will now be %u bytes\n", [ebp + http_msg.content_ptr], edx |
||
957 | invoke mem.realloc, [ebp + http_msg.content_ptr], edx |
||
4541 | hidnplayr | 958 | DEBUGF 1, "New buffer = 0x%x\n", eax |
4162 | hidnplayr | 959 | or eax, eax |
4690 | hidnplayr | 960 | jz .err_no_ram |
961 | call recalculate_pointers ; Because it's possible that buffer begins on another address now |
||
962 | add esi, eax ; recalculate esi too! |
||
5534 | hidnplayr | 963 | .dont_resize: |
4690 | hidnplayr | 964 | ; Remove chunk header (aka chunkline) from the buffer by shifting all received data after chunkt_ptr to the left |
4541 | hidnplayr | 965 | mov edi, [ebp + http_msg.chunk_ptr] |
4690 | hidnplayr | 966 | rep movsb |
967 | ; Update chunk ptr to point to next chunk |
||
4541 | hidnplayr | 968 | add [ebp + http_msg.chunk_ptr], ebx |
4690 | hidnplayr | 969 | ; Set number of received bytes to 0, we already updated content_received |
4541 | hidnplayr | 970 | xor eax, eax |
4162 | hidnplayr | 971 | jmp .chunk_loop |
4158 | hidnplayr | 972 | |
4690 | hidnplayr | 973 | ;-------------------------------------------------------------- |
974 | ; |
||
975 | ; end of proc code begins here |
||
976 | ; |
||
977 | |||
4162 | hidnplayr | 978 | .header_parsed: |
4690 | hidnplayr | 979 | ; Header was already parsed and connection isnt chunked. |
980 | ; Update content_received |
||
4168 | hidnplayr | 981 | add [ebp + http_msg.content_received], eax |
4690 | hidnplayr | 982 | ; If we received content-length parameter, check if we received all the data |
4220 | hidnplayr | 983 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
4690 | hidnplayr | 984 | jz @f |
4217 | hidnplayr | 985 | mov eax, [ebp + http_msg.content_received] |
986 | cmp eax, [ebp + http_msg.content_length] |
||
4168 | hidnplayr | 987 | jae .got_all_data |
4690 | hidnplayr | 988 | @@: |
989 | cmp [ebp + http_msg.buffer_length], 0 |
||
990 | je .buffer_full |
||
991 | ; Need more data |
||
992 | popa |
||
993 | xor eax, eax |
||
994 | dec eax |
||
995 | ret |
||
4212 | hidnplayr | 996 | |
4690 | hidnplayr | 997 | .buffer_full: |
5537 | hidnplayr | 998 | test [ebp + http_msg.flags], FLAG_STREAM |
5534 | hidnplayr | 999 | jnz .multibuff |
4220 | hidnplayr | 1000 | mov eax, [ebp + http_msg.write_ptr] |
1001 | add eax, BUFFERSIZE |
||
4541 | hidnplayr | 1002 | sub eax, [ebp + http_msg.content_ptr] |
1003 | invoke mem.realloc, [ebp + http_msg.content_ptr], eax |
||
4220 | hidnplayr | 1004 | or eax, eax |
4690 | hidnplayr | 1005 | jz .err_no_ram |
4541 | hidnplayr | 1006 | call recalculate_pointers |
4220 | hidnplayr | 1007 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
4690 | hidnplayr | 1008 | ; Need more data |
1009 | popa |
||
1010 | xor eax, eax |
||
1011 | dec eax |
||
1012 | ret |
||
4220 | hidnplayr | 1013 | |
5534 | hidnplayr | 1014 | .multibuff: |
1015 | ; This buffer is full |
||
1016 | popa |
||
1017 | xor eax, eax |
||
1018 | ret |
||
1019 | |||
4690 | hidnplayr | 1020 | .need_more_data_for_header: |
1021 | cmp [ebp + http_msg.buffer_length], 0 |
||
1022 | je .err_header ; It's just too damn long! |
||
1023 | ; Need more data |
||
4162 | hidnplayr | 1024 | popa |
1025 | xor eax, eax |
||
1026 | dec eax |
||
1027 | ret |
||
4158 | hidnplayr | 1028 | |
4162 | hidnplayr | 1029 | .need_more_data_chunked: |
4690 | hidnplayr | 1030 | ; We only got a partial chunk, or need more chunks, update content_received and request more data |
4168 | hidnplayr | 1031 | add [ebp + http_msg.content_received], eax |
4158 | hidnplayr | 1032 | popa |
1033 | xor eax, eax |
||
1034 | dec eax |
||
1035 | ret |
||
1036 | |||
4162 | hidnplayr | 1037 | .got_all_data_chunked: |
4690 | hidnplayr | 1038 | ; Woohoo, we got all the chunked data, calculate total number of bytes received. |
4162 | hidnplayr | 1039 | mov eax, [ebp + http_msg.chunk_ptr] |
4541 | hidnplayr | 1040 | sub eax, [ebp + http_msg.content_ptr] |
4162 | hidnplayr | 1041 | mov [ebp + http_msg.content_length], eax |
4168 | hidnplayr | 1042 | mov [ebp + http_msg.content_received], eax |
4158 | hidnplayr | 1043 | .got_all_data: |
4217 | hidnplayr | 1044 | DEBUGF 1, "We got all the data! (%u bytes)\n", [ebp + http_msg.content_received] |
4205 | hidnplayr | 1045 | or [ebp + http_msg.flags], FLAG_GOT_ALL_DATA |
5769 | hidnplayr | 1046 | test [ebp + http_msg.flags], FLAG_KEEPALIVE |
1047 | jnz @f |
||
1048 | mcall close, [ebp + http_msg.socket] |
||
4205 | hidnplayr | 1049 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
5769 | hidnplayr | 1050 | @@: |
4158 | hidnplayr | 1051 | popa |
1052 | xor eax, eax |
||
1053 | ret |
||
1054 | |||
4690 | hidnplayr | 1055 | ;-------------------------------------------------------------- |
1056 | ; |
||
1057 | ; error handeling code begins here |
||
1058 | ; |
||
1059 | |||
4158 | hidnplayr | 1060 | .check_socket: |
1061 | cmp ebx, EWOULDBLOCK |
||
4690 | hidnplayr | 1062 | jne .err_socket |
1063 | mcall 26, 9 |
||
1064 | sub eax, [ebp + http_msg.timestamp] |
||
1065 | cmp eax, TIMEOUT |
||
1066 | ja .err_timeout |
||
1067 | ; Need more data |
||
1068 | popa |
||
1069 | xor eax, eax |
||
1070 | dec eax |
||
1071 | ret |
||
4158 | hidnplayr | 1072 | |
4220 | hidnplayr | 1073 | .server_closed: |
1074 | DEBUGF 1, "server closed connection, transfer complete?\n" |
||
1075 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
||
4690 | hidnplayr | 1076 | jz .err_server_closed |
4220 | hidnplayr | 1077 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
1078 | jz .got_all_data |
||
4690 | hidnplayr | 1079 | .err_server_closed: |
4220 | hidnplayr | 1080 | pop eax |
5732 | hidnplayr | 1081 | DEBUGF 2, "ERROR: server closed connection unexpectedly\n" |
4220 | hidnplayr | 1082 | or [ebp + http_msg.flags], FLAG_TRANSFER_FAILED |
4690 | hidnplayr | 1083 | jmp .abort |
4220 | hidnplayr | 1084 | |
4690 | hidnplayr | 1085 | .err_header: |
4203 | hidnplayr | 1086 | pop eax |
5732 | hidnplayr | 1087 | DEBUGF 2, "ERROR: invalid header\n" |
4158 | hidnplayr | 1088 | or [ebp + http_msg.flags], FLAG_INVALID_HEADER |
4690 | hidnplayr | 1089 | jmp .abort |
4158 | hidnplayr | 1090 | |
4690 | hidnplayr | 1091 | .err_no_ram: |
5732 | hidnplayr | 1092 | DEBUGF 2, "ERROR: out of RAM\n" |
4158 | hidnplayr | 1093 | or [ebp + http_msg.flags], FLAG_NO_RAM |
4690 | hidnplayr | 1094 | jmp .abort |
4206 | hidnplayr | 1095 | |
4690 | hidnplayr | 1096 | .err_timeout: |
5732 | hidnplayr | 1097 | DEBUGF 2, "ERROR: timeout\n" |
4690 | hidnplayr | 1098 | or [ebp + http_msg.flags], FLAG_TIMEOUT_ERROR |
1099 | jmp .abort |
||
1100 | |||
1101 | .err_socket: |
||
5732 | hidnplayr | 1102 | DEBUGF 2, "ERROR: socket error %u\n", ebx |
4206 | hidnplayr | 1103 | or [ebp + http_msg.flags], FLAG_SOCKET_ERROR |
4690 | hidnplayr | 1104 | .abort: |
4205 | hidnplayr | 1105 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
1106 | mcall close, [ebp + http_msg.socket] |
||
4206 | hidnplayr | 1107 | .connection_closed: |
4158 | hidnplayr | 1108 | popa |
1109 | xor eax, eax |
||
1110 | ret |
||
1111 | |||
1112 | endp |
||
1113 | |||
1114 | |||
4541 | hidnplayr | 1115 | alloc_contentbuff: |
4158 | hidnplayr | 1116 | |
5537 | hidnplayr | 1117 | test [ebp + http_msg.flags], FLAG_STREAM |
1118 | jz @f |
||
1119 | mov edx, BUFFERSIZE |
||
1120 | @@: |
||
1121 | |||
4541 | hidnplayr | 1122 | ; Allocate content buffer |
1123 | invoke mem.alloc, edx |
||
1124 | or eax, eax |
||
1125 | jz .no_ram |
||
4205 | hidnplayr | 1126 | |
4541 | hidnplayr | 1127 | DEBUGF 1, "Content buffer allocated: 0x%x\n", eax |
1128 | |||
1129 | ; Copy already received content into content buffer |
||
1130 | mov edi, eax |
||
1131 | lea esi, [ebp + http_msg.http_header] |
||
1132 | add esi, [ebp + http_msg.header_length] |
||
1133 | mov ecx, [ebp + http_msg.write_ptr] |
||
1134 | sub ecx, esi |
||
1135 | mov ebx, ecx |
||
1136 | rep movsb |
||
1137 | |||
1138 | ; Update pointers to point to new buffer |
||
1139 | mov [ebp + http_msg.content_ptr], eax |
||
1140 | mov [ebp + http_msg.content_received], ebx |
||
1141 | sub edx, ebx |
||
1142 | mov [ebp + http_msg.buffer_length], edx |
||
1143 | add eax, ebx |
||
1144 | mov [ebp + http_msg.write_ptr], eax |
||
1145 | |||
1146 | ; Shrink header buffer |
||
1147 | mov eax, http_msg.http_header |
||
1148 | add eax, [ebp + http_msg.header_length] |
||
1149 | invoke mem.realloc, ebp, eax |
||
1150 | or eax, eax |
||
1151 | .no_ram: |
||
1152 | |||
1153 | ret |
||
1154 | |||
1155 | |||
1156 | |||
1157 | recalculate_pointers: |
||
1158 | |||
1159 | sub eax, [ebp + http_msg.content_ptr] |
||
1160 | jz .done |
||
1161 | add [ebp + http_msg.content_ptr], eax |
||
1162 | add [ebp + http_msg.write_ptr], eax |
||
1163 | add [ebp + http_msg.chunk_ptr], eax |
||
1164 | |||
1165 | .done: |
||
1166 | ret |
||
1167 | |||
1168 | |||
1169 | |||
4158 | hidnplayr | 1170 | ;;================================================================================================;; |
4996 | hidnplayr | 1171 | proc HTTP_send identifier, dataptr, datalength ;//////////////////////////////////////////////////;; |
4205 | hidnplayr | 1172 | ;;------------------------------------------------------------------------------------------------;; |
4996 | hidnplayr | 1173 | ;? Send data to the server ;; |
4205 | hidnplayr | 1174 | ;;------------------------------------------------------------------------------------------------;; |
1175 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
||
4996 | hidnplayr | 1176 | ;> dataptr = pointer to data to be sent. ;; |
1177 | ;> datalength = length of data (in bytes) to be sent ;; |
||
4205 | hidnplayr | 1178 | ;;------------------------------------------------------------------------------------------------;; |
4996 | hidnplayr | 1179 | ;< eax = number of bytes sent, -1 on error ;; |
4205 | hidnplayr | 1180 | ;;================================================================================================;; |
1181 | |||
4996 | hidnplayr | 1182 | push ebx ecx edx esi edi |
1183 | mov edx, [identifier] |
||
1184 | test [edx + http_msg.flags], FLAG_CONNECTED |
||
1185 | jz .fail |
||
1186 | mcall send, [edx + http_msg.socket], [dataptr], [datalength], 0 |
||
1187 | pop edi esi edx ecx ebx |
||
4205 | hidnplayr | 1188 | ret |
1189 | |||
4996 | hidnplayr | 1190 | .fail: |
1191 | pop edi esi edx ecx ebx |
||
1192 | xor eax, eax |
||
1193 | dec eax |
||
4205 | hidnplayr | 1194 | ret |
1195 | |||
1196 | endp |
||
1197 | |||
1198 | |||
1199 | ;;================================================================================================;; |
||
4222 | hidnplayr | 1200 | proc HTTP_find_header_field identifier, headername ;//////////////////////////////////////////////;; |
4158 | hidnplayr | 1201 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1202 | ;? Find a header field in the received HTTP header ;; |
4996 | hidnplayr | 1203 | ;? ;; |
1204 | ;? NOTE: this function returns a pointer which points into the original header data. ;; |
||
1205 | ;? The header field is terminated by a CR, LF, space or maybe even tab. ;; |
||
1206 | ;? A free operation should not be operated on this pointer! ;; |
||
4158 | hidnplayr | 1207 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1208 | ;> identifier = ptr to http_msg struct ;; |
4996 | hidnplayr | 1209 | ;> headername = ptr to ASCIIZ string containing field you want to find (must be in lowercase) ;; |
4158 | hidnplayr | 1210 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1211 | ;< eax = 0 (error) / ptr to content of the HTTP header field ;; |
4158 | hidnplayr | 1212 | ;;================================================================================================;; |
1213 | push ebx ecx edx esi edi |
||
1214 | |||
1215 | DEBUGF 1, "Find header field: %s\n", [headername] |
||
1216 | |||
1217 | mov ebx, [identifier] |
||
4202 | hidnplayr | 1218 | test [ebx + http_msg.flags], FLAG_GOT_HEADER |
1219 | jz .fail |
||
1220 | |||
4541 | hidnplayr | 1221 | lea edx, [ebx + http_msg.http_header] |
4158 | hidnplayr | 1222 | mov ecx, edx |
1223 | add ecx, [ebx + http_msg.header_length] |
||
1224 | |||
1225 | .restart: |
||
1226 | mov esi, [headername] |
||
1227 | mov edi, edx |
||
1228 | .loop: |
||
1229 | cmp edi, ecx |
||
1230 | jae .fail |
||
1231 | lodsb |
||
1232 | scasb |
||
1233 | je .loop |
||
1234 | test al, al |
||
1235 | jz .done? |
||
1236 | .next: |
||
1237 | inc edx |
||
1238 | jmp .restart |
||
1239 | |||
1240 | .not_done: |
||
1241 | inc edi |
||
1242 | .done?: |
||
1243 | cmp byte[edi-1], ':' |
||
1244 | je .almost_done |
||
1245 | cmp byte[edi-1], ' ' |
||
1246 | je .not_done |
||
1247 | cmp byte[edi-1], 9 ; tab |
||
1248 | je .not_done |
||
1249 | |||
1250 | jmp .next |
||
1251 | |||
1252 | .almost_done: ; FIXME: buffer overflow? |
||
1253 | dec edi |
||
1254 | DEBUGF 1, "Found header field\n" |
||
1255 | .spaceloop: |
||
1256 | inc edi |
||
1257 | cmp byte[edi], ' ' |
||
1258 | je .spaceloop |
||
1259 | cmp byte[edi], 9 ; tab |
||
1260 | je .spaceloop |
||
1261 | |||
1262 | mov eax, edi |
||
1263 | pop edi esi edx ecx ebx |
||
1264 | ret |
||
1265 | |||
1266 | .fail: |
||
5732 | hidnplayr | 1267 | DEBUGF 2, "Header field not found\n" |
4158 | hidnplayr | 1268 | pop edi esi edx ecx ebx |
1269 | xor eax, eax |
||
1270 | ret |
||
1271 | |||
1272 | endp |
||
1273 | |||
1274 | |||
1275 | |||
4209 | hidnplayr | 1276 | ;;================================================================================================;; |
5534 | hidnplayr | 1277 | proc HTTP_escape URI, length ;////////////////////////////////////////////////////////////////////;; |
4209 | hidnplayr | 1278 | ;;------------------------------------------------------------------------------------------------;; |
1279 | ;? ;; |
||
1280 | ;;------------------------------------------------------------------------------------------------;; |
||
5534 | hidnplayr | 1281 | ;> URI = ptr to ASCIIZ URI/data ;; |
1282 | ;> length = length of URI/data ;; |
||
4209 | hidnplayr | 1283 | ;;------------------------------------------------------------------------------------------------;; |
4831 | hidnplayr | 1284 | ;< eax = 0 (error) / ptr to ASCIIZ URI/data ;; |
1285 | ;< ebx = length of escaped URI/data ;; |
||
4209 | hidnplayr | 1286 | ;;================================================================================================;; |
4202 | hidnplayr | 1287 | |
4848 | hidnplayr | 1288 | DEBUGF 1, "HTTP_escape: %s\n", [URI] |
1289 | |||
4209 | hidnplayr | 1290 | pusha |
4205 | hidnplayr | 1291 | |
5534 | hidnplayr | 1292 | invoke mem.alloc, URLMAXLEN ; FIXME: use length provided by caller to guess final size. |
4209 | hidnplayr | 1293 | test eax, eax |
1294 | jz .error |
||
1295 | mov [esp + 7 * 4], eax ; return ptr in eax |
||
1296 | mov esi, [URI] |
||
1297 | mov edi, eax |
||
1298 | xor ebx, ebx |
||
1299 | xor ecx, ecx |
||
1300 | .loop: |
||
1301 | lodsb |
||
1302 | test al, al |
||
1303 | jz .done |
||
1304 | |||
1305 | mov cl, al |
||
1306 | and cl, 0x1f |
||
1307 | mov bl, al |
||
4831 | hidnplayr | 1308 | shr bl, 3 |
1309 | and bl, not 3 |
||
4209 | hidnplayr | 1310 | bt dword[bits_must_escape + ebx], ecx |
1311 | jc .escape |
||
1312 | |||
1313 | stosb |
||
1314 | jmp .loop |
||
1315 | |||
1316 | .escape: |
||
1317 | mov al, '%' |
||
1318 | stosb |
||
1319 | mov bl, byte[esi-1] |
||
1320 | shr bl, 4 |
||
1321 | mov al, byte[str_hex + ebx] |
||
1322 | stosb |
||
1323 | mov bl, byte[esi-1] |
||
1324 | and bl, 0x0f |
||
1325 | mov al, byte[str_hex + ebx] |
||
1326 | stosb |
||
1327 | jmp .loop |
||
1328 | |||
1329 | |||
1330 | .done: |
||
1331 | stosb |
||
4831 | hidnplayr | 1332 | sub edi, [esp + 7 * 4] |
1333 | dec edi |
||
1334 | mov [esp + 4 * 4], edi |
||
4209 | hidnplayr | 1335 | |
1336 | popa |
||
4848 | hidnplayr | 1337 | DEBUGF 1, "escaped URL: %s\n", eax |
4209 | hidnplayr | 1338 | ret |
1339 | |||
1340 | .error: |
||
5732 | hidnplayr | 1341 | DEBUGF 2, "ERROR: out of RAM!\n" |
4209 | hidnplayr | 1342 | popa |
1343 | xor eax, eax |
||
1344 | ret |
||
1345 | |||
1346 | endp |
||
1347 | |||
1348 | |||
1349 | |||
4167 | hidnplayr | 1350 | ;;================================================================================================;; |
5534 | hidnplayr | 1351 | proc HTTP_unescape URI, length ;//////////////////////////////////////////////////////////////////;; |
4209 | hidnplayr | 1352 | ;;------------------------------------------------------------------------------------------------;; |
1353 | ;? ;; |
||
1354 | ;;------------------------------------------------------------------------------------------------;; |
||
1355 | ;> URI = ptr to ASCIIZ URI ;; |
||
1356 | ;;------------------------------------------------------------------------------------------------;; |
||
1357 | ;< eax = 0 (error) / ptr to ASCIIZ URI ;; |
||
1358 | ;;================================================================================================;; |
||
1359 | |||
4848 | hidnplayr | 1360 | DEBUGF 1, "HTTP_unescape: %s\n", [URI] |
4209 | hidnplayr | 1361 | pusha |
1362 | |||
5534 | hidnplayr | 1363 | invoke mem.alloc, URLMAXLEN ; FIXME: use length provided by caller |
4209 | hidnplayr | 1364 | test eax, eax |
1365 | jz .error |
||
1366 | mov [esp + 7 * 4], eax ; return ptr in eax |
||
1367 | mov esi, [URI] |
||
1368 | mov edi, eax |
||
1369 | .loop: |
||
1370 | lodsb |
||
1371 | test al, al |
||
1372 | jz .done |
||
1373 | cmp al, '%' |
||
1374 | je .unescape |
||
1375 | stosb |
||
1376 | jmp .loop |
||
1377 | |||
1378 | .unescape: |
||
1379 | xor ebx, ebx |
||
1380 | xor ecx, ecx |
||
1381 | .unescape_nibble: |
||
1382 | lodsb |
||
1383 | sub al, '0' |
||
1384 | jb .fail |
||
1385 | cmp al, 9 |
||
1386 | jbe .nibble_ok |
||
1387 | sub al, 'A' - '0' - 10 |
||
1388 | jb .fail |
||
1389 | cmp al, 15 |
||
1390 | jbe .nibble_ok |
||
1391 | sub al, 'a' - 'A' |
||
1392 | cmp al, 15 |
||
1393 | ja .fail |
||
1394 | .nibble_ok: |
||
1395 | shl bl, 8 |
||
1396 | or bl, al |
||
1397 | dec ecx |
||
1398 | jc .unescape_nibble |
||
1399 | mov al, bl |
||
1400 | stosb |
||
1401 | jmp .loop |
||
1402 | |||
1403 | .fail: |
||
5732 | hidnplayr | 1404 | DEBUGF 2, "ERROR: invalid URI!\n" |
4209 | hidnplayr | 1405 | jmp .loop |
1406 | |||
1407 | .done: |
||
1408 | stosb |
||
1409 | popa |
||
4848 | hidnplayr | 1410 | DEBUGF 1, "unescaped URL: %s\n", eax |
4209 | hidnplayr | 1411 | ret |
1412 | |||
1413 | .error: |
||
5732 | hidnplayr | 1414 | DEBUGF 2, "ERROR: out of RAM!\n" |
4209 | hidnplayr | 1415 | popa |
1416 | xor eax, eax |
||
1417 | ret |
||
1418 | |||
1419 | endp |
||
1420 | |||
1421 | |||
1422 | |||
1423 | |||
1424 | |||
1425 | ;;================================================================================================;; |
||
4202 | hidnplayr | 1426 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1427 | ;;================================================================================================;; |
||
1428 | ;! Internal procedures section ;; |
||
4220 | hidnplayr | 1429 | ;; ;; |
1430 | ;; NOTICE: These procedures do not follow stdcall conventions and thus may destroy any register. ;; |
||
4202 | hidnplayr | 1431 | ;;================================================================================================;; |
1432 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
||
1433 | ;;================================================================================================;; |
||
1434 | |||
1435 | |||
1436 | |||
1437 | |||
1438 | ;;================================================================================================;; |
||
4167 | hidnplayr | 1439 | proc open_connection hostname, port ;/////////////////////////////////////////////////////////////;; |
1440 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 1441 | ;? Connects to a HTTP server ;; |
4167 | hidnplayr | 1442 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1443 | ;> hostname = ptr to ASCIIZ hostname ;; |
1444 | ;> port = port (x86 byte order) ;; |
||
4167 | hidnplayr | 1445 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1446 | ;< eax = 0 (error) / socketnum ;; |
4167 | hidnplayr | 1447 | ;;================================================================================================;; |
4158 | hidnplayr | 1448 | |
4167 | hidnplayr | 1449 | locals |
1450 | sockaddr dd ? |
||
1451 | socketnum dd ? |
||
1452 | endl |
||
1453 | |||
4233 | hidnplayr | 1454 | cmp [proxyAddr], 0 |
1455 | je .no_proxy |
||
1456 | |||
1457 | mov [hostname], proxyAddr |
||
1458 | |||
1459 | push [proxyPort] |
||
1460 | pop [port] |
||
1461 | .no_proxy: |
||
1462 | |||
4167 | hidnplayr | 1463 | ; Resolve the hostname |
1464 | DEBUGF 1, "Resolving hostname\n" |
||
1465 | push esp ; reserve stack place |
||
6921 | hidnplayr | 1466 | invoke getaddrinfo, [hostname], 0, 0, esp |
4167 | hidnplayr | 1467 | pop esi |
1468 | test eax, eax |
||
1469 | jnz .error1 |
||
1470 | |||
1471 | ; getaddrinfo returns addrinfo struct, make the pointer to sockaddr struct |
||
5904 | hidnplayr | 1472 | push esi ; for freeaddrinfo |
4167 | hidnplayr | 1473 | mov esi, [esi + addrinfo.ai_addr] |
1474 | mov [sockaddr], esi |
||
1475 | mov eax, [esi + sockaddr_in.sin_addr] |
||
1476 | test eax, eax |
||
1477 | jz .error2 |
||
1478 | |||
1479 | DEBUGF 1, "Server ip=%u.%u.%u.%u\n", \ |
||
1480 | [esi + sockaddr_in.sin_addr]:1, [esi + sockaddr_in.sin_addr + 1]:1, \ |
||
1481 | [esi + sockaddr_in.sin_addr + 2]:1, [esi + sockaddr_in.sin_addr + 3]:1 |
||
1482 | |||
1483 | mov [esi + sockaddr_in.sin_family], AF_INET4 |
||
1484 | mov eax, [port] |
||
1485 | xchg al, ah |
||
1486 | mov [esi + sockaddr_in.sin_port], ax |
||
1487 | |||
6921 | hidnplayr | 1488 | ; Open a new TCP socket |
4167 | hidnplayr | 1489 | mcall socket, AF_INET4, SOCK_STREAM, 0 |
1490 | test eax, eax |
||
6921 | hidnplayr | 1491 | jz .error3 |
4167 | hidnplayr | 1492 | mov [socketnum], eax |
1493 | DEBUGF 1, "Socket: 0x%x\n", eax |
||
1494 | |||
6921 | hidnplayr | 1495 | ; Connect to the server |
4167 | hidnplayr | 1496 | mcall connect, [socketnum], [sockaddr], 18 |
1497 | test eax, eax |
||
6921 | hidnplayr | 1498 | jnz .error3 |
4167 | hidnplayr | 1499 | DEBUGF 1, "Socket is now connected.\n" |
1500 | |||
6921 | hidnplayr | 1501 | invoke freeaddrinfo ; Free allocated memory |
4167 | hidnplayr | 1502 | mov eax, [socketnum] |
1503 | ret |
||
1504 | |||
6921 | hidnplayr | 1505 | .error3: |
1506 | DEBUGF 2, "Could not connect to the remote server\n" |
||
1507 | invoke freeaddrinfo ; Free allocated memory |
||
1508 | xor eax, eax |
||
1509 | ret |
||
1510 | |||
4167 | hidnplayr | 1511 | .error2: |
6921 | hidnplayr | 1512 | DEBUGF 2, "Resolving hostname failed\n" |
1513 | invoke freeaddrinfo ; Free allocated memory |
||
1514 | xor eax, eax |
||
1515 | ret |
||
1516 | |||
4167 | hidnplayr | 1517 | .error1: |
6921 | hidnplayr | 1518 | DEBUGF 2, "Contacting DNS server failed\n" |
4167 | hidnplayr | 1519 | xor eax, eax |
1520 | ret |
||
1521 | |||
1522 | endp |
||
1523 | |||
1524 | |||
4158 | hidnplayr | 1525 | ;;================================================================================================;; |
1526 | proc parse_url URL ;//////////////////////////////////////////////////////////////////////////////;; |
||
1527 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 1528 | ;? Split a given URL into hostname and pageaddr ;; |
4158 | hidnplayr | 1529 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1530 | ;> URL = ptr to ASCIIZ URL ;; |
4158 | hidnplayr | 1531 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1532 | ;< eax = 0 (error) / ptr to ASCIIZ hostname ;; |
1533 | ;< ebx = ptr to ASCIIZ pageaddr ;; |
||
4233 | hidnplayr | 1534 | ;< ecx = port number ;; |
4158 | hidnplayr | 1535 | ;;================================================================================================;; |
1536 | |||
1537 | locals |
||
1538 | urlsize dd ? |
||
1539 | hostname dd ? |
||
1540 | pageaddr dd ? |
||
4233 | hidnplayr | 1541 | port dd ? |
4158 | hidnplayr | 1542 | endl |
1543 | |||
4161 | hidnplayr | 1544 | DEBUGF 1, "parsing URL: %s\n", [URL] |
4158 | hidnplayr | 1545 | |
1546 | ; remove any leading protocol text |
||
4983 | hidnplayr | 1547 | mov edi, [URL] |
4158 | hidnplayr | 1548 | mov ecx, URLMAXLEN |
1549 | mov ax, '//' |
||
1550 | .loop1: |
||
4983 | hidnplayr | 1551 | cmp byte[edi], 0 ; end of URL? |
4158 | hidnplayr | 1552 | je .url_ok ; yep, so not found |
4983 | hidnplayr | 1553 | cmp [edi], ax |
4158 | hidnplayr | 1554 | je .skip_proto |
4983 | hidnplayr | 1555 | inc edi |
4158 | hidnplayr | 1556 | dec ecx |
1557 | jnz .loop1 |
||
4233 | hidnplayr | 1558 | jmp .invalid |
4158 | hidnplayr | 1559 | |
1560 | .skip_proto: |
||
4983 | hidnplayr | 1561 | inc edi ; skip the two '/' |
1562 | inc edi |
||
1563 | mov [URL], edi ; update pointer so it skips protocol |
||
4158 | hidnplayr | 1564 | |
4983 | hidnplayr | 1565 | ; Find the trailing 0 byte |
1566 | xor al, al |
||
1567 | repne scasb |
||
1568 | jne .invalid ; ecx reached 0 before we reached end of string |
||
1569 | |||
4158 | hidnplayr | 1570 | .url_ok: |
4983 | hidnplayr | 1571 | sub edi, [URL] ; calculate total length of URL |
1572 | mov [urlsize], edi |
||
4158 | hidnplayr | 1573 | |
1574 | ; now look for page delimiter - it's a '/' character |
||
4983 | hidnplayr | 1575 | mov ecx, edi ; URL length |
4158 | hidnplayr | 1576 | mov edi, [URL] |
1577 | mov al, '/' |
||
1578 | repne scasb |
||
4161 | hidnplayr | 1579 | jne @f |
4158 | hidnplayr | 1580 | dec edi ; return one char, '/' must be part of the pageaddr |
1581 | inc ecx ; |
||
4161 | hidnplayr | 1582 | @@: |
4158 | hidnplayr | 1583 | push ecx edi ; remember the pointer and length of pageaddr |
1584 | |||
4222 | hidnplayr | 1585 | |
4233 | hidnplayr | 1586 | ; Create new buffer and put hostname in it. |
4158 | hidnplayr | 1587 | mov ecx, edi |
1588 | sub ecx, [URL] |
||
1589 | inc ecx ; we will add a 0 byte at the end |
||
1590 | invoke mem.alloc, ecx |
||
1591 | or eax, eax |
||
1592 | jz .no_mem |
||
1593 | |||
1594 | mov [hostname], eax ; copy hostname to buffer |
||
1595 | mov edi, eax |
||
1596 | mov esi, [URL] |
||
1597 | dec ecx |
||
1598 | rep movsb |
||
1599 | xor al, al |
||
1600 | stosb |
||
1601 | |||
4233 | hidnplayr | 1602 | ; Check if user provided a port, and convert it if so. |
1603 | mov esi, [hostname] |
||
1604 | mov [port], 80 ; default port if user didnt provide one |
||
1605 | .portloop: |
||
1606 | lodsb |
||
1607 | test al, al |
||
1608 | jz .no_port |
||
1609 | cmp al, ':' |
||
1610 | jne .portloop |
||
1611 | |||
1612 | push esi |
||
1613 | call ascii_dec_ebx |
||
1614 | pop edi |
||
1615 | cmp byte[esi-1], 0 |
||
1616 | jne .invalid |
||
1617 | cmp [proxyAddr], 0 ; remove port number from hostname |
||
1618 | jne @f ; unless when we are using proxy |
||
1619 | mov byte[edi-1], 0 |
||
1620 | @@: |
||
1621 | test ebx, ebx |
||
1622 | je .invalid |
||
1623 | cmp ebx, 0xffff |
||
1624 | ja .invalid |
||
1625 | mov [port], ebx |
||
1626 | .no_port: |
||
1627 | |||
1628 | |||
1629 | ; Did user provide a pageaddr? |
||
4161 | hidnplayr | 1630 | mov [pageaddr], str_slash ; assume there is no pageaddr |
4158 | hidnplayr | 1631 | pop esi ecx |
1632 | test ecx, ecx |
||
1633 | jz .no_page |
||
4233 | hidnplayr | 1634 | |
1635 | ; Create new buffer and put pageaddr into it. |
||
4158 | hidnplayr | 1636 | inc ecx ; we will add a 0 byte at the end |
1637 | invoke mem.alloc, ecx |
||
1638 | or eax, eax |
||
1639 | jz .no_mem |
||
1640 | |||
1641 | mov [pageaddr], eax ; copy pageaddr to buffer |
||
1642 | mov edi, eax |
||
1643 | dec ecx |
||
1644 | rep movsb |
||
1645 | xor al, al |
||
1646 | stosb |
||
4233 | hidnplayr | 1647 | |
4158 | hidnplayr | 1648 | .no_page: |
1649 | mov eax, [hostname] |
||
1650 | mov ebx, [pageaddr] |
||
4233 | hidnplayr | 1651 | mov ecx, [port] |
4158 | hidnplayr | 1652 | |
1653 | DEBUGF 1, "hostname: %s\n", eax |
||
1654 | DEBUGF 1, "pageaddr: %s\n", ebx |
||
4221 | hidnplayr | 1655 | DEBUGF 1, "port: %u\n", ecx |
4158 | hidnplayr | 1656 | |
1657 | ret |
||
1658 | |||
1659 | .no_mem: |
||
5732 | hidnplayr | 1660 | DEBUGF 2, "Out of memory!\n" |
4158 | hidnplayr | 1661 | xor eax, eax |
1662 | ret |
||
1663 | |||
4233 | hidnplayr | 1664 | .invalid: |
5732 | hidnplayr | 1665 | DEBUGF 2, "Invalid URL!\n" |
4233 | hidnplayr | 1666 | xor eax, eax |
1667 | ret |
||
1668 | |||
4158 | hidnplayr | 1669 | endp |
1670 | |||
1671 | |||
4233 | hidnplayr | 1672 | |
1673 | |||
1674 | |||
4202 | hidnplayr | 1675 | ;;================================================================================================;; |
4233 | hidnplayr | 1676 | proc append_proxy_auth_header ;///////////////////////////////////////////////////////////////////;; |
4202 | hidnplayr | 1677 | ;;------------------------------------------------------------------------------------------------;; |
4233 | hidnplayr | 1678 | ;? Appends the proxy authentication header ;; |
1679 | ;;------------------------------------------------------------------------------------------------;; |
||
1680 | ;> / ;; |
||
1681 | ;;------------------------------------------------------------------------------------------------;; |
||
1682 | ;< / ;; |
||
1683 | ;;================================================================================================;; |
||
1684 | mov esi, str_proxy_auth |
||
1685 | mov ecx, str_proxy_auth.length |
||
1686 | rep movsb |
||
1687 | ; base64-encode string |
||
1688 | mov esi, proxyUser |
||
1689 | |||
1690 | apah000: |
||
1691 | lodsb |
||
1692 | test al, al |
||
1693 | jz apah001 |
||
1694 | call encode_base64_byte |
||
1695 | jmp apah000 |
||
1696 | |||
1697 | apah001: |
||
1698 | mov al, ':' |
||
1699 | call encode_base64_byte |
||
1700 | mov esi, proxyPassword |
||
1701 | |||
1702 | apah002: |
||
1703 | lodsb |
||
1704 | test al, al |
||
1705 | jz apah003 |
||
1706 | call encode_base64_byte |
||
1707 | jmp apah002 |
||
1708 | |||
1709 | apah003: |
||
1710 | call encode_base64_final |
||
1711 | ret |
||
1712 | |||
1713 | encode_base64_byte: |
||
1714 | inc ecx |
||
1715 | shl edx, 8 |
||
1716 | mov dl, al |
||
1717 | cmp ecx, 3 |
||
1718 | je ebb001 |
||
1719 | ret |
||
1720 | |||
1721 | ebb001: |
||
1722 | shl edx, 8 |
||
1723 | inc ecx |
||
1724 | |||
1725 | ebb002: |
||
1726 | rol edx, 6 |
||
1727 | xor eax, eax |
||
1728 | xchg al, dl |
||
1729 | mov al, [base64_table+eax] |
||
1730 | stosb |
||
1731 | loop ebb002 |
||
1732 | ret |
||
1733 | |||
1734 | encode_base64_final: |
||
1735 | mov al, 0 |
||
1736 | test ecx, ecx |
||
1737 | jz ebf000 |
||
1738 | call encode_base64_byte |
||
1739 | test ecx, ecx |
||
1740 | jz ebf001 |
||
1741 | call encode_base64_byte |
||
1742 | mov byte [edi-2], '=' |
||
1743 | |||
1744 | ebf001: |
||
1745 | mov byte [edi-1], '=' |
||
1746 | |||
1747 | ebf000: |
||
1748 | ret |
||
1749 | |||
1750 | endp |
||
1751 | |||
1752 | |||
1753 | ;;================================================================================================;; |
||
1754 | proc eax_ascii_dec ;//////////////////////////////////////////////////////////////////////////////;; |
||
1755 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 1756 | ;? Convert eax to ASCII decimal number ;; |
1757 | ;;------------------------------------------------------------------------------------------------;; |
||
1758 | ;> eax = number ;; |
||
1759 | ;> edi = ptr where to write ASCII decimal number ;; |
||
1760 | ;;------------------------------------------------------------------------------------------------;; |
||
1761 | ;< / ;; |
||
1762 | ;;================================================================================================;; |
||
4158 | hidnplayr | 1763 | |
4168 | hidnplayr | 1764 | push -'0' |
4167 | hidnplayr | 1765 | mov ecx, 10 |
1766 | .loop: |
||
1767 | xor edx, edx |
||
1768 | div ecx |
||
4168 | hidnplayr | 1769 | push edx |
4167 | hidnplayr | 1770 | test eax, eax |
1771 | jnz .loop |
||
4158 | hidnplayr | 1772 | |
4168 | hidnplayr | 1773 | .loop2: |
1774 | pop eax |
||
1775 | add al, '0' |
||
1776 | jz .done |
||
1777 | stosb |
||
1778 | jmp .loop2 |
||
1779 | .done: |
||
1780 | |||
4167 | hidnplayr | 1781 | ret |
4158 | hidnplayr | 1782 | |
4202 | hidnplayr | 1783 | endp |
4167 | hidnplayr | 1784 | |
4202 | hidnplayr | 1785 | |
4158 | hidnplayr | 1786 | ;;================================================================================================;; |
4233 | hidnplayr | 1787 | proc ascii_dec_ebx ;//////////////////////////////////////////////////////////////////////////////;; |
1788 | ;;------------------------------------------------------------------------------------------------;; |
||
1789 | ;? Convert ASCII decimal number to ebx ;; |
||
1790 | ;;------------------------------------------------------------------------------------------------;; |
||
1791 | ;> esi = ptr where to read ASCII decimal number ;; |
||
1792 | ;;------------------------------------------------------------------------------------------------;; |
||
1793 | ;> ebx = number ;; |
||
1794 | ;;================================================================================================;; |
||
1795 | |||
1796 | xor eax, eax |
||
1797 | xor ebx, ebx |
||
1798 | .loop: |
||
1799 | lodsb |
||
1800 | sub al, '0' |
||
1801 | jb .done |
||
1802 | cmp al, 9 |
||
1803 | ja .done |
||
1804 | lea ebx, [ebx + 4*ebx] |
||
1805 | shl ebx, 1 |
||
1806 | add ebx, eax |
||
1807 | jmp .loop |
||
1808 | .done: |
||
1809 | |||
1810 | ret |
||
1811 | |||
1812 | endp |
||
1813 | |||
1814 | |||
1815 | ;;================================================================================================;; |
||
4158 | hidnplayr | 1816 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1817 | ;;================================================================================================;; |
||
1818 | ;! Imported functions section ;; |
||
1819 | ;;================================================================================================;; |
||
1820 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
||
1821 | ;;================================================================================================;; |
||
1822 | |||
1823 | |||
1824 | align 16 |
||
1825 | @IMPORT: |
||
1826 | |||
1827 | library \ |
||
1828 | libini, 'libini.obj', \ |
||
1829 | network, 'network.obj' |
||
1830 | |||
1831 | import libini, \ |
||
1832 | ini.get_str, 'ini_get_str', \ |
||
1833 | ini.get_int, 'ini_get_int' |
||
1834 | |||
1835 | import network,\ |
||
1836 | getaddrinfo, 'getaddrinfo',\ |
||
1837 | freeaddrinfo, 'freeaddrinfo',\ |
||
1838 | inet_ntoa, 'inet_ntoa' |
||
1839 | |||
1840 | ;;===========================================================================;; |
||
1841 | ;;///////////////////////////////////////////////////////////////////////////;; |
||
1842 | ;;===========================================================================;; |
||
1843 | ;! Exported functions section ;; |
||
1844 | ;;===========================================================================;; |
||
1845 | ;;///////////////////////////////////////////////////////////////////////////;; |
||
1846 | ;;===========================================================================;; |
||
1847 | |||
1848 | |||
4996 | hidnplayr | 1849 | HTTP_stop = HTTP_disconnect |
1850 | HTTP_process = HTTP_receive |
||
1851 | |||
4158 | hidnplayr | 1852 | align 4 |
1853 | @EXPORT: |
||
1854 | export \ |
||
1855 | lib_init , 'lib_init' , \ |
||
1856 | 0x00010001 , 'version' , \ |
||
1857 | HTTP_get , 'get' , \ |
||
4167 | hidnplayr | 1858 | HTTP_head , 'head' , \ |
1859 | HTTP_post , 'post' , \ |
||
4222 | hidnplayr | 1860 | HTTP_find_header_field , 'find_header_field' , \ |
4996 | hidnplayr | 1861 | HTTP_process , 'process' , \ ; To be removed |
1862 | HTTP_send , 'send' , \ |
||
1863 | HTTP_receive , 'receive' , \ |
||
1864 | HTTP_disconnect , 'disconnect' , \ |
||
4205 | hidnplayr | 1865 | HTTP_free , 'free' , \ |
4996 | hidnplayr | 1866 | HTTP_stop , 'stop' , \ ; To be removed |
4831 | hidnplayr | 1867 | HTTP_escape , 'escape' , \ |
1868 | HTTP_unescape , 'unescape' |
||
4158 | hidnplayr | 1869 | ; HTTP_put , 'put' , \ |
1870 | ; HTTP_delete , 'delete' , \ |
||
1871 | ; HTTP_trace , 'trace' , \ |
||
1872 | ; HTTP_connect , 'connect' , \ |
||
1873 | |||
1874 | |||
1875 | |||
1876 | section '.data' data readable writable align 16 |
||
1877 | |||
1878 | inifile db '/sys/settings/network.ini', 0 |
||
1879 | |||
1880 | sec_proxy: |
||
1881 | key_proxy db 'proxy', 0 |
||
1882 | key_proxyport db 'port', 0 |
||
1883 | key_user db 'user', 0 |
||
1884 | key_password db 'password', 0 |
||
1885 | |||
1886 | str_http11 db ' HTTP/1.1', 13, 10, 'Host: ' |
||
1887 | .length = $ - str_http11 |
||
4167 | hidnplayr | 1888 | str_post_cl db 13, 10, 'Content-Length: ' |
1889 | .length = $ - str_post_cl |
||
1890 | str_post_ct db 13, 10, 'Content-Type: ' |
||
1891 | .length = $ - str_post_ct |
||
4158 | hidnplayr | 1892 | str_proxy_auth db 13, 10, 'Proxy-Authorization: Basic ' |
1893 | .length = $ - str_proxy_auth |
||
5534 | hidnplayr | 1894 | str_close db 'User-Agent: KolibriOS libHTTP/1.1', 13, 10, 'Connection: Close', 13, 10, 13, 10 |
4241 | hidnplayr | 1895 | .length = $ - str_close |
5534 | hidnplayr | 1896 | str_keep db 'User-Agent: KolibriOS libHTTP/1.1', 13, 10, 'Connection: Keepalive', 13, 10, 13, 10 |
5769 | hidnplayr | 1897 | .length = $ - str_keep |
4158 | hidnplayr | 1898 | |
4233 | hidnplayr | 1899 | str_http db 'http://', 0 |
1900 | |||
4158 | hidnplayr | 1901 | base64_table db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' |
1902 | db '0123456789+/' |
||
1903 | |||
1904 | str_cl db 'content-length', 0 |
||
4161 | hidnplayr | 1905 | str_slash db '/', 0 |
4158 | hidnplayr | 1906 | str_te db 'transfer-encoding', 0 |
4167 | hidnplayr | 1907 | str_get db 'GET ', 0 |
1908 | str_head db 'HEAD ', 0 |
||
1909 | str_post db 'POST ', 0 |
||
4158 | hidnplayr | 1910 | |
4209 | hidnplayr | 1911 | bits_must_escape: |
1912 | dd 0xffffffff ; 00-1F |
||
1913 | dd 1 shl 0 + 1 shl 2 + 1 shl 3 + 1 shl 5 + 1 shl 28 + 1 shl 30 ; "#%<> |
||
1914 | dd 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 30 ;[\]^ |
||
1915 | dd 1 shl 0 + 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 31 ;`{|} DEL |
||
1916 | |||
1917 | dd 0xffffffff |
||
1918 | dd 0xffffffff |
||
1919 | dd 0xffffffff |
||
1920 | dd 0xffffffff |
||
1921 | |||
1922 | str_hex: |
||
1923 | db '0123456789ABCDEF' |
||
1924 | |||
4158 | hidnplayr | 1925 | include_debug_strings |
1926 | |||
1927 | ; uninitialized data |
||
1928 | mem.alloc dd ? |
||
1929 | mem.free dd ? |
||
1930 | mem.realloc dd ? |
||
1931 | dll.load dd ? |
||
1932 | |||
1933 | proxyAddr rb 256 |
||
1934 | proxyUser rb 256 |
||
1935 | proxyPassword rb 256 |
||
1936 | proxyPort dd ?>>>>>>>>>>>>>>>>>>> |