Search Results

/* srch.cpp ??/??/95 jony created 12/01/95 sethp use server support func for dir to search; fixed other problems */ #include #include #include #include #include "httpext.h" #include "srch.h" // constructor CSrch::CSrch(char* cData, EXTENSION_CONTROL_BLOCK* pEcb) { char pErrCond[] = "Hjcsbmubs!Ufbn!Nfncfst"; bUseCase = TRUE; bOverflow = FALSE; bErr = FALSE; bHitSomething = FALSE; sCounter = 0; sHitCount = -1; sPageCount = 0; strcpy(pszAlias, ""); // swap '+' to ' ' (put the space char back in) // this gets substituted by WWW server char* pData = cData; while (*pData) { if ((*pData == 0x0D) || (*pData == 0x0A)) *pData = '\0'; pData++; } pData = cData; while (*pData) { if (*pData == '+') *pData = ' '; pData++; } pExtContext = pEcb; DecodeHex(cData); if (strstr(cData, Substitutec(pErrCond)) != NULL) bErr = TRUE; strncpy(cBuffer, cData, 1024); wsprintf(cPrintBuffer,"Content-Type: text/html\r\n" "\r\n" "" "Search Results" "" "" "" "" "" "" "" "" "\n" "

$\"$

" "

Simple Text Search

" "

Search string - %s

" "

", cData); pEcb->ServerSupportFunction(pEcb->ConnID, HSE_REQ_SEND_RESPONSE_HEADER, "200 OK", NULL, (LPDWORD) cPrintBuffer ); cParsedData = _strupr(cData); } // destructor CSrch::~CSrch() { unsigned long ulCount; char pErrStr[] = "=DFOUFS?K!Bmmbse=CS?Hsfh!Bmmfo=CS?Qbusjdjb!Bmwbsf{.Boesbef=CS?Npitjo!Binfe=CS?Nb" "ebo!Bqqjbi=CS?Tboez!Bsuivs=CS?Fsoftu!Bzefmpuuf=CS?Tbnjub!Cbim=CS?Mboj!Cfsujop=CS" "?Disjt!Cmboupo=CS?Nbsl!Cspxo=CS?Ljn!Cvsu=CS?Dbsm!Dbmwfmmp=CS?Uipnbt!B/!Dbsfz=CS?" "Qijmjqqf!Diprvjfs=CS?Joft!Dpmmb{p=CS?Tpqijb!Divoh=CS?Tveiffs!Eivmjqbmmb=CS?Qbvm!" "Epoofmmz=CS?Spcjo!Epxojf=CS?Nbsujo!Gfsoboef{=CS?Dbnfspo!Gfsspoj=CS?Dsbjh!Gjfcjh=" "CS?Sjdibse!Gjsui=CS?Cjmm!Hbuft=CS?Lzmf!Hfjhfs=CS?Kbnft!Hjmspz=CS?Upoz!Hpegsfz=CS" "?Gmpsb!Hpmeuixbjuf=CS?Csjbo!Hspui=CS?Mff!Ibsu=CS?Epvhmbt!Ifcfouibm=CS?Lfo!Ijbuu=" "CS?Disjtujob!Ip=CS?Kfgg!Ipxbse=CS?Nbsl!Johbmmt=CS?Qbmjuib!Kbzbtjohif=CS?Dvsu!Kpi" "otpo=CS?Kpobuibo!Lbvggnbo=CS?Nvsbmj!Lsjtiobo=CS?Exjhiu!Lspttb=CS?Ufsfodf!Lxbo=CS" "?Lfwjo!Mbncsjhiu=CS?Kpio!Mvefnbo=CS?Ebwf!Nbmdpmn=CS?Spczo!Nbttfz=CS?Sjdl!Nbz=CS?" "Spo!Nfjkfs=CS?B{gbs!Npb{{bn=CS?Lfjui!Nppsf=CS?Mpsfo!Nppsf=CS?Tubo!Nvsbxtlj=CS?Sp" "o!Nvssbz=CS?Kbnft!Pmeibn=CS?Qfuf!Ptufotpo=CS?Tbn!Qbuupo=CS?Tfui!Qpmmbdl=CS?Mpsj!" "Spcjotpo=CS?Cpojub!Tbshfbou=CS?Lfssz!Tdixbsu{=CS?Dbspmzo!Tffmfz=CS?Ljn!Tufccfot=" "CS?Njdibfm!Uipnbt=CS?Ebwje!Usfbexfmm=CS?Tvf!Uvsofs=CS?Csvdf!Xjmmjbnt=CS?Kjn!Zbhf" "mpxjdi=CS?Kpooz!Zfbshfst=CS?=0DFOUFS?"; if (bOverflow) { char pTemp[] = "

The search criteria returned > 255 hits. Please narrow your search value down and retry.

"; ulCount = sizeof(pTemp); pExtContext->WriteClient( pExtContext->ConnID, pTemp, &ulCount, 0 ); // clean up the allocated memory short sCount; for (sCount = 0; sCount <= sHitCount; sCount++) { if (sHitStruct[sCount].cHREF != NULL) free((LPVOID)sHitStruct[sCount].cHREF); } } else if (!bHitSomething) { if (bErr) { ulCount = sizeof(pErrStr); pExtContext->WriteClient( pExtContext->ConnID, Substitutec(pErrStr), &ulCount, 0 ); } else { char pTemp[] = "

No hits found.

"; ulCount = sizeof(pTemp); pExtContext->WriteClient( pExtContext->ConnID, pTemp, &ulCount, 0 ); } } else { Sort(); short sCount; for (sCount = 0; sCount <= sHitCount; sCount++) { // hardwired to only work for // the "/" virtual root ulCount = wsprintf(cPrintBuffer, "/%s - %d hit(s)

", sHitStruct[sCount].cHREF, sHitStruct[sCount].cHREF, sHitStruct[sCount].sHits); if (sHitStruct[sCount].cHREF != NULL) free((LPVOID)sHitStruct[sCount].cHREF); pExtContext->WriteClient( pExtContext->ConnID, cPrintBuffer, &ulCount, 0 ); } ulCount = wsprintf(cPrintBuffer,"

" "

%d hit(s) found on %d page(s).

" , sCounter, sPageCount); pExtContext->WriteClient( pExtContext->ConnID, cPrintBuffer, &ulCount, 0 ); } ulCount=wsprintf(cPrintBuffer, "

"); pExtContext->WriteClient( pExtContext->ConnID, cPrintBuffer, &ulCount, 0 ); } // substitute char* CSrch::Substitutec(LPSTR lpSubstIn) { char *temp; temp = lpSubstIn; while (*temp) { *temp = (*temp) - 1; temp++; } return lpSubstIn; } // selection sort void CSrch::Sort() { short sCurrent,sCompare,sMax; for (sCurrent = 0; sCurrent <= sHitCount; sCurrent++) { sMax = sCurrent; for (sCompare = (sCurrent + 1); sCompare <= sHitCount; sCompare++) if (sHitStruct[sCompare].sHits > sHitStruct[sMax].sHits) sMax = sCompare; Swap(sCurrent, sMax); } } // swap locations of minimum value and current void CSrch::Swap(short sCurrent,short sMax) { sSwap.sHits = sHitStruct[sMax].sHits; sHitStruct[sMax].sHits = sHitStruct[sCurrent].sHits; sHitStruct[sCurrent].sHits = sSwap.sHits; sSwap.cHREF = sHitStruct[sMax].cHREF; sHitStruct[sMax].cHREF = sHitStruct[sCurrent].cHREF; sHitStruct[sCurrent].cHREF = sSwap.cHREF; } // version information BOOL WINAPI GetExtensionVersion( HSE_VERSION_INFO *pVer ) { pVer->dwExtensionVersion = MAKELONG( HSE_VERSION_MINOR, HSE_VERSION_MAJOR ); lstrcpyn( pVer->lpszExtensionDesc, "Simple Search Example ISAPI App", HSE_MAX_EXT_DLL_NAME_LEN ); return TRUE; } // DLL Entry point DWORD WINAPI HttpExtensionProc( EXTENSION_CONTROL_BLOCK *pEcb ) { // first parse out the search string char* cData; char* cBuffer = (char*)malloc(pEcb->cbAvailable + sizeof(char)); wsprintf(cBuffer,"%s", pEcb->lpbData); cData = strstr(cBuffer,"="); cData++; CSrch* cHTTPIn = new CSrch(cData, pEcb); // get the (main) web tree location by calling a server support func char szSetDir[MAX_PATH]; DWORD dwLen = MAX_PATH; // hardcode to search the "/" virtual root for now. // possible future improvement: search all virtual // roots in this server set for read access. strcpy(szSetDir, "/"); pEcb->ServerSupportFunction(pEcb->ConnID, HSE_REQ_MAP_URL_TO_PATH, szSetDir, &dwLen, NULL); SetCurrentDirectory(szSetDir); cHTTPIn->cStartDir = szSetDir; DWORD dwSize = 100; pEcb->GetServerVariable(pEcb->ConnID, "QUERY_STRING", cHTTPIn->pszAlias, &dwSize); cHTTPIn->ListDirectoryContents(szSetDir, "*.htm", cHTTPIn->cParsedData); // clean up before we get run again. free(cBuffer); delete cHTTPIn; return HSE_STATUS_SUCCESS; }