mirror of
https://github.com/tuxbox-neutrino/neutrino.git
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bc5bd4154e
git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962
358 lines
14 KiB
C++
358 lines
14 KiB
C++
//=============================================================================
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// YHTTPD
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// Hook and HookHandler
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//=============================================================================
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// C
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#include <cstdarg>
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#include <cstdio>
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#include <cstring>
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// yhttpd
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#include "yhook.h"
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#include "ylogging.h"
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#include "helper.h"
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//=============================================================================
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// Initialization of static variables
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//=============================================================================
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THookList CyhookHandler::HookList;
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//=============================================================================
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// Hook Handling
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//=============================================================================
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//-----------------------------------------------------------------------------
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// Hook Dispatcher for Session Hooks
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// Execute every Hook in HookList until State change != HANDLED_NONE
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//-----------------------------------------------------------------------------
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THandleStatus CyhookHandler::Hooks_SendResponse()
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{
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log_level_printf(4,"Response Hook-List Start\n");
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THandleStatus _status = HANDLED_NONE;
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THookList::iterator i = HookList.begin();
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for ( ; i!= HookList.end(); i++ )
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{
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log_level_printf(4,"Response Hook-List (%s) Start\n", ((*i)->getHookName()).c_str());
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// response Hook
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_status = (*i)->Hook_SendResponse(this);
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log_level_printf(4,"Response Hook-List (%s) End. Status (%d)\n", ((*i)->getHookName()).c_str(), status);
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if((_status != HANDLED_NONE) && (_status != HANDLED_CONTINUE))
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break;
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}
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log_level_printf(4,"Response Hook-List End\n");
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log_level_printf(8,"Response Hook-List Result:\n%s\n", yresult.c_str());
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status = _status;
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return _status;
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}
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//-----------------------------------------------------------------------------
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// Hook Dispatcher for Session Hooks
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// Execute every Hook in HookList until State change != HANDLED_NONE
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//-----------------------------------------------------------------------------
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THandleStatus CyhookHandler::Hooks_PrepareResponse()
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{
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log_level_printf(4,"PrepareResponse Hook-List Start\n");
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THandleStatus _status = HANDLED_NONE;
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THookList::iterator i = HookList.begin();
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for ( ; i!= HookList.end(); i++ )
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{
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log_level_printf(4,"PrepareResponse Hook-List (%s) Start\n", ((*i)->getHookName()).c_str());
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// response Hook
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_status = (*i)->Hook_PrepareResponse(this);
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log_level_printf(4,"PrepareResponse Hook-List (%s) End. Status (%d) HTTP Status (%d)\n", ((*i)->getHookName()).c_str(), status, httpStatus);
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if((_status != HANDLED_NONE) && (_status != HANDLED_CONTINUE))
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break;
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}
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log_level_printf(4,"PrepareResponse Hook-List End\n");
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log_level_printf(8,"PrepareResponse Hook-List Result:\n%s\n", yresult.c_str());
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status = _status;
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return _status;
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}
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//-----------------------------------------------------------------------------
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// Hook Dispatcher for Server based Hooks
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// Execute every Hook in HookList until State change != HANDLED_NONE and
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// != HANDLED_CONTINUE
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//-----------------------------------------------------------------------------
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THandleStatus CyhookHandler::Hooks_ReadConfig(CConfigFile *Config, CStringList &ConfigList)
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{
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log_level_printf(4,"ReadConfig Hook-List Start\n");
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THandleStatus _status = HANDLED_NONE;
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THookList::iterator i = HookList.begin();
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for ( ; i!= HookList.end(); i++ )
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{
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// log_level_printf(4,"ReadConfig Hook-List (%s) Start\n", ((*i)->getHookName()).c_str());
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// response Hook
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_status = (*i)->Hook_ReadConfig(Config, ConfigList);
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log_level_printf(4,"ReadConfig Hook-List (%s) Status (%d)\n", ((*i)->getHookName()).c_str(), _status);
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if((_status != HANDLED_NONE) && (_status != HANDLED_CONTINUE))
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break;
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}
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log_level_printf(4,"ReadConfig Hook-List End\n");
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return _status;
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}
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//-----------------------------------------------------------------------------
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// Hook Dispatcher for EndConnection
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//-----------------------------------------------------------------------------
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THandleStatus CyhookHandler::Hooks_EndConnection()
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{
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log_level_printf(4,"EndConnection Hook-List Start\n");
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THandleStatus _status = HANDLED_NONE;
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THookList::iterator i = HookList.begin();
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for ( ; i!= HookList.end(); i++ )
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{
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log_level_printf(4,"EndConnection Hook-List (%s) Start\n", ((*i)->getHookName()).c_str());
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// response Hook
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_status = (*i)->Hook_EndConnection(this);
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log_level_printf(4,"EndConnection Hook-List (%s) End. Status (%d)\n", ((*i)->getHookName()).c_str(), _status);
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if((_status != HANDLED_NONE) && (_status != HANDLED_CONTINUE))
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break;
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}
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log_level_printf(4,"EndConnection Hook-List End\n");
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status = _status;
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return _status;
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}
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//-----------------------------------------------------------------------------
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// Hook Dispatcher for UploadSetFilename
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//-----------------------------------------------------------------------------
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THandleStatus CyhookHandler::Hooks_UploadSetFilename(std::string &Filename)
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{
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log_level_printf(4,"UploadSetFilename Hook-List Start. Filename:(%s)\n", Filename.c_str());
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THandleStatus _status = HANDLED_NONE;
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THookList::iterator i = HookList.begin();
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for ( ; i!= HookList.end(); i++ )
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{
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log_level_printf(4,"UploadSetFilename Hook-List (%s) Start\n", ((*i)->getHookName()).c_str());
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// response Hook
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_status = (*i)->Hook_UploadSetFilename(this, Filename);
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log_level_printf(4,"UploadSetFilename Hook-List (%s) End. Status (%d)\n", ((*i)->getHookName()).c_str(), _status);
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if((_status != HANDLED_NONE) && (_status != HANDLED_CONTINUE))
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break;
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}
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log_level_printf(4,"UploadSetFilename Hook-List End\n");
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status = _status;
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return _status;
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}
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//-----------------------------------------------------------------------------
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// Hook Dispatcher for UploadSetFilename
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//-----------------------------------------------------------------------------
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THandleStatus CyhookHandler::Hooks_UploadReady(const std::string& Filename)
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{
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log_level_printf(4,"UploadReady Hook-List Start. Filename:(%s)\n", Filename.c_str());
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THandleStatus _status = HANDLED_NONE;
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THookList::iterator i = HookList.begin();
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for ( ; i!= HookList.end(); i++ )
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{
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log_level_printf(4,"UploadReady Hook-List (%s) Start\n", ((*i)->getHookName()).c_str());
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// response Hook
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_status = (*i)->Hook_UploadReady(this, Filename);
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log_level_printf(4,"UploadReady Hook-List (%s) End. Status (%d)\n", ((*i)->getHookName()).c_str(), _status);
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if((_status != HANDLED_NONE) && (_status != HANDLED_CONTINUE))
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break;
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}
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log_level_printf(4,"UploadReady Hook-List End\n");
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status = _status;
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return _status;
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}
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//=============================================================================
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// Output helpers
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//=============================================================================
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void CyhookHandler::session_init(CStringList _ParamList, CStringList _UrlData, CStringList _HeaderList,
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CStringList& _ConfigList, THttp_Method _Method, bool _keep_alive)
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{
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ParamList = _ParamList;
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UrlData = _UrlData;
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HeaderList = _HeaderList;
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WebserverConfigList = _ConfigList;
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Method = _Method;
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status = HANDLED_NONE;
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httpStatus = HTTP_OK;
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ContentLength = 0;
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LastModified = (time_t)-1;
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keep_alive = _keep_alive;
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HookVarList.clear();
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}
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//=============================================================================
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// Build Header
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//-----------------------------------------------------------------------------
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// RFC 2616 / 6 Response (Header)
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//
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// The first line of a Response message is the Status-Line, consisting
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// of the protocol version followed by a numeric status code and its
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// associated textual phrase, with each element separated by SP
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// characters. No CR or LF is allowed except in the final CRLF sequence.
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//
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// Response =Status-Line ; generated by SendHeader
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// *(( general-header
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// | response-header
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// | entity-header ) CRLF)
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// CRLF ; generated by SendHeader
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// [ message-body ] ; by HOOK Handling Loop or Sendfile
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//
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// Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF ; generated by SendHeader
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//
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// general-header = Cache-Control ; not implemented
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// | Connection ; implemented
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// | Date ; implemented
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// | Pragma ; not implemented
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// | Trailer ; not implemented
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// | Transfer-Encoding ; not implemented
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// | Upgrade ; not implemented
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// | Via ; not implemented
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// | Warning ; not implemented
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//
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// response-header = Accept-Ranges ; not implemented
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// | Age ; not implemented
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// | ETag ; not implemented
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// | Location ; implemented (redirection / Object moved)
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// | Proxy-Authenticate ; not implemented
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// | Retry-After ; not implemented
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// | Server ; implemented
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// | Vary ; not implemented
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// | WWW-Authenticate ; implemented (by mod_auth and SendHeader)
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//
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// entity-header = Allow ; not implemented
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// | Content-Encoding ; not implemented
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// | Content-Language ; not implemented
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// | Content-Length ; implemented
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// | Content-Location ; not implemented
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// | Content-MD5 ; not implemented
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// | Content-Range ; not implemented
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// | Content-Type ; implemented
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// | Expires ; not implemented
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// | Last-Modified ; implemented for static files
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// | extension-header
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//
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// extension-header = message-header
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//=============================================================================
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std::string CyhookHandler::BuildHeader(bool cache)
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{
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std::string result="";
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const char *responseString = "";
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const char *infoString = 0;
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// get Info Index
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for (unsigned int i = 0;i < (sizeof(httpResponseNames)/sizeof(httpResponseNames[0])); i++)
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if (httpResponseNames[i].type == httpStatus)
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{
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responseString = httpResponseNames[i].name;
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infoString = httpResponseNames[i].info;
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break;
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}
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// print Status-line
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result = string_printf(HTTP_PROTOCOL " %d %s\r\nContent-Type: %s\r\n",httpStatus, responseString, ResponseMimeType.c_str());
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log_level_printf(2,"Respose: HTTP/1.1 %d %s\r\nContent-Type: %s\r\n",httpStatus, responseString, ResponseMimeType.c_str());
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switch (httpStatus)
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{
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case HTTP_UNAUTHORIZED:
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result += "WWW-Authenticate: Basic realm=\"";
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result += AUTH_NAME_MSG "\r\n";
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break;
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case HTTP_MOVED_TEMPORARILY:
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case HTTP_MOVED_PERMANENTLY:
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// Status HTTP_*_TEMPORARILY (redirection)
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result += string_printf("Location: %s\r\n",NewURL.c_str());
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// NO break HERE !!!
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default:
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time_t timer = time(0);
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char timeStr[80];
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// cache
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if(!cache && (HookVarList["CacheCategory"]).empty() )
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result += "Cache-Control: no-cache\r\n";
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else
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{
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time_t x_time = time(NULL);
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struct tm *ptm = gmtime(&x_time);
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ptm->tm_mday+=1;
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x_time = mktime(ptm);
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strftime(timeStr, sizeof(timeStr), RFC1123FMT, gmtime(&x_time));
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result += string_printf("Expires: %s\r\n", timeStr);
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}
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result += "Server: " WEBSERVERNAME "\r\n";
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// actual date
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strftime(timeStr, sizeof(timeStr), RFC1123FMT, gmtime(&timer));
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result += string_printf("Date: %s\r\n", timeStr);
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// connection type
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#ifdef Y_CONFIG_FEATURE_KEEP_ALIVE
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if(keep_alive)
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result += "Connection: keep-alive\r\n";
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else
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result += "Connection: close\r\n";
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#else
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result += "Connection: close\r\n";
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#endif
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// content-len, last-modified
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if(httpStatus == HTTP_NOT_MODIFIED ||httpStatus == HTTP_NOT_FOUND)
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result += "Content-Length: 0\r\n";
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else if(GetContentLength() >0)
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{
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time_t mod_time = time(NULL);
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if(LastModified != (time_t)-1)
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mod_time = LastModified;
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strftime(timeStr, sizeof(timeStr), RFC1123FMT, gmtime(&mod_time));
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result += string_printf("Last-Modified: %s\r\nContent-Length: %ld\r\n", timeStr, GetContentLength());
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}
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result += "\r\n"; // End of Header
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break;
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}
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// Body
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if (Method != M_HEAD)
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switch (httpStatus)
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{
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case HTTP_OK:
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case HTTP_NOT_MODIFIED:
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case HTTP_CONTINUE:
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case HTTP_ACCEPTED:
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case HTTP_NO_CONTENT:
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case HTTP_NOT_FOUND:
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case HTTP_INTERNAL_SERVER_ERROR:
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break;
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case HTTP_MOVED_TEMPORARILY:
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case HTTP_MOVED_PERMANENTLY:
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result += "<html><head><title>Object moved</title></head><body>";
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result += string_printf("302 : Object moved.<br/>If you dont get redirected click <a href=\"%s\">here</a></body></html>\n",NewURL.c_str());
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break;
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default:
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// Error pages
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break;
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}
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return result;
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}
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//=============================================================================
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// Output helpers
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//=============================================================================
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//-----------------------------------------------------------------------------
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void CyhookHandler::SendHTMLHeader(const std::string& Titel)
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{
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WriteLn("<html>\n<head><title>" + Titel + "</title>\n");
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WriteLn("<meta http-equiv=\"cache-control\" content=\"no-cache\" />");
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WriteLn("<meta http-equiv=\"expires\" content=\"0\" />\n</head>\n<body>\n");
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}
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//-----------------------------------------------------------------------------
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void CyhookHandler::SendHTMLFooter(void)
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{
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WriteLn("</body>\n</html>\n\n");
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}
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//-----------------------------------------------------------------------------
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#define OUTBUFSIZE 4096
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void CyhookHandler::printf ( const char *fmt, ... )
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{
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char outbuf[OUTBUFSIZE];
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bzero(outbuf,OUTBUFSIZE);
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va_list arglist;
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va_start( arglist, fmt );
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vsnprintf( outbuf,OUTBUFSIZE, fmt, arglist );
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va_end(arglist);
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Write(outbuf);
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}
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