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337 lines
10 KiB
337 lines
10 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File: linkutil.cpp
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//
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//--------------------------------------------------------------------------
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#include "global.hxx"
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#include <dbgdef.h>
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extern HINSTANCE HinstDll;
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//////////////////////////////////////////////////////////////////////////////////////
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//
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//////////////////////////////////////////////////////////////////////////////////////
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void CryptuiGoLink(HWND hwndParent, char *pszWhere, BOOL fNoCOM)
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{
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HCURSOR hcursPrev = NULL;
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HMODULE hURLMon = NULL;
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BOOL fCallCoUnInit = FALSE;
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//
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// since we're a model dialog box, we want to go behind IE once it comes up!!!
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//
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SetWindowPos(hwndParent, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
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hcursPrev = SetCursor(LoadCursor(NULL, IDC_WAIT));
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__try
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{
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hURLMon = (HMODULE)LoadLibraryU(L"urlmon.dll");
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if (!(hURLMon) || fNoCOM)
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{
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//
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// The hyperlink module is unavailable, go to fallback plan
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//
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//
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// This works in test cases, but causes deadlock problems when used from withing
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// the Internet Explorer itself. The dialog box is up (that is, IE is in a modal
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// dialog loop) and in comes this DDE request...).
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//
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ShellExecute(hwndParent, "open", pszWhere, NULL, NULL, SW_SHOWNORMAL);
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}
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else
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{
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//
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// The hyperlink module is there. Use it
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//
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if (SUCCEEDED(CoInitialize(NULL))) // Init OLE if no one else has
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{
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fCallCoUnInit = TRUE;
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//
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// allow com to fully init...
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//
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MSG msg;
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PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE); // peek but not remove
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typedef void (WINAPI *pfnHlinkSimpleNavigateToString)(LPCWSTR, LPCWSTR, LPCWSTR, IUnknown *,
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IBindCtx *, IBindStatusCallback *,
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DWORD, DWORD);
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pfnHlinkSimpleNavigateToString pProcAddr;
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pProcAddr = (pfnHlinkSimpleNavigateToString)GetProcAddress(hURLMon, TEXT("HlinkSimpleNavigateToString"));
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if (pProcAddr)
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{
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WCHAR *pwszWhere;
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IBindCtx *pbc;
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pwszWhere = new WCHAR[strlen(pszWhere) + 1];
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if (pwszWhere == NULL)
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{
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return;
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}
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MultiByteToWideChar(0, 0, (const char *)pszWhere, -1, pwszWhere, strlen(pszWhere) + 1);
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pbc = NULL;
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CreateBindCtx( 0, &pbc );
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(*pProcAddr)(pwszWhere, NULL, NULL, NULL, pbc, NULL, HLNF_OPENINNEWWINDOW, NULL);
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if (pbc)
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{
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pbc->Release();
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}
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delete [] pwszWhere;
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}
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CoUninitialize();
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}
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FreeLibrary(hURLMon);
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}
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SetCursor(hcursPrev);
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}
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__except(EXCEPTION_EXECUTE_HANDLER)
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{
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if (hURLMon != NULL)
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{
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FreeLibrary(hURLMon);
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}
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if (fCallCoUnInit)
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{
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CoUninitialize();
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}
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if (hcursPrev != NULL)
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{
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SetCursor(hcursPrev);
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}
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////
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//
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//////////////////////////////////////////////////////////////////////////////////////
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BOOL AllocAndGetIssuerURL(LPSTR *ppURLString, PCCERT_CONTEXT pCertContext)
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{
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PCERT_EXTENSION pExt = NULL;
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PSPC_SP_AGENCY_INFO pInfo = NULL;
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DWORD cbInfo = 0;
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PCERT_ALT_NAME_ENTRY pAltName = NULL;
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DWORD cbAltName = 0;
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*ppURLString = NULL;
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//
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// first look for the Agency Info extension and see if it has an URL
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//
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if ((pExt = CertFindExtension(SPC_SP_AGENCY_INFO_OBJID, pCertContext->pCertInfo->cExtension,
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pCertContext->pCertInfo->rgExtension)))
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{
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CryptDecodeObject(X509_ASN_ENCODING, SPC_SP_AGENCY_INFO_STRUCT,
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pExt->Value.pbData, pExt->Value.cbData, 0, NULL,
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&cbInfo);
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if (!(pInfo = (PSPC_SP_AGENCY_INFO) malloc(cbInfo)))
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{
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return FALSE;
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}
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if (!(CryptDecodeObject(X509_ASN_ENCODING, SPC_SP_AGENCY_INFO_STRUCT,
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pExt->Value.pbData, pExt->Value.cbData, 0, pInfo,
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&cbInfo)))
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{
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free(pInfo);
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return FALSE;
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}
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if (!(pInfo->pPolicyInformation))
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{
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free(pInfo);
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return FALSE;
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}
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switch (pInfo->pPolicyInformation->dwLinkChoice)
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{
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case SPC_URL_LINK_CHOICE:
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if (NULL != (*ppURLString =
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(LPSTR) malloc(wcslen(pInfo->pPolicyInformation->pwszUrl)+1)))
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{
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WideCharToMultiByte(
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0,
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0,
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pInfo->pPolicyInformation->pwszUrl,
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-1,
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*ppURLString,
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wcslen(pInfo->pPolicyInformation->pwszUrl)+1,
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NULL,
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NULL);
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free(pInfo);
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return TRUE;
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}
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else
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{
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free(pInfo);
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return FALSE;
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}
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break;
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case SPC_FILE_LINK_CHOICE:
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if (NULL != (*ppURLString =
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(LPSTR) malloc(wcslen(pInfo->pPolicyInformation->pwszFile)+1)))
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{
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WideCharToMultiByte(
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0,
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0,
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pInfo->pPolicyInformation->pwszFile,
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-1,
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*ppURLString,
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wcslen(pInfo->pPolicyInformation->pwszFile)+1,
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NULL,
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NULL);
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return TRUE;
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}
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else
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{
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free(pInfo);
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return FALSE;
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}
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break;
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}
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free(pInfo);
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}
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//
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// if there was no Agency Info extension or it didn't contain an URL,
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// look for the Authority Info Access Syntax extension
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//
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/*if ((pExt = CertFindExtension(SPC_SP_AGENCY_INFO_OBJID, pCertContext->pCertInfo->cExtension,
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pCertContext->pCertInfo->rgExtension)))
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{
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FIX FIX
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}*/
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//
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// finally, if there was no Agency Info and no Authority Info Access Syntax
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// check to see if there is an Alternate Name extension
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//
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if ((pExt = CertFindExtension(szOID_ISSUER_ALT_NAME, pCertContext->pCertInfo->cExtension,
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pCertContext->pCertInfo->rgExtension)))
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{
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CryptDecodeObject(X509_ASN_ENCODING, szOID_ISSUER_ALT_NAME,
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pExt->Value.pbData, pExt->Value.cbData, 0, NULL,
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&cbAltName);
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if (!(pAltName = (PCERT_ALT_NAME_ENTRY) malloc(cbAltName)))
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{
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return FALSE;
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}
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if (!(CryptDecodeObject(X509_ASN_ENCODING, szOID_ISSUER_ALT_NAME,
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pExt->Value.pbData, pExt->Value.cbData, 0, pAltName,
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&cbAltName)))
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{
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free(pAltName);
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return FALSE;
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}
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if (pAltName->dwAltNameChoice == CERT_ALT_NAME_URL)
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{
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if (NULL != (*ppURLString = (LPSTR) malloc(wcslen(pAltName->pwszURL)+1)))
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{
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WideCharToMultiByte(
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0,
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0,
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pAltName->pwszURL,
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-1,
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*ppURLString,
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wcslen(pAltName->pwszURL)+1,
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NULL,
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NULL);
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free(pAltName);
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return TRUE;
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}
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}
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free(pAltName);
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}
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return FALSE;
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}
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//////////////////////////////////////////////////////////////////////////////////////
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//
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//////////////////////////////////////////////////////////////////////////////////////
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BOOL AllocAndGetSubjectURL(LPSTR *ppURLString, PCCERT_CONTEXT pCertContext)
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{
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PCERT_EXTENSION pExt = NULL;
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PCERT_ALT_NAME_ENTRY pAltName = NULL;
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DWORD cbAltName = 0;
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*ppURLString = NULL;
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//
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// check to see if there is an Alternate Name extension
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//
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if ((pExt = CertFindExtension(szOID_SUBJECT_ALT_NAME, pCertContext->pCertInfo->cExtension,
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pCertContext->pCertInfo->rgExtension)))
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{
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CryptDecodeObject(X509_ASN_ENCODING, szOID_SUBJECT_ALT_NAME,
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pExt->Value.pbData, pExt->Value.cbData, 0, NULL,
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&cbAltName);
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if (!(pAltName = (PCERT_ALT_NAME_ENTRY) malloc(cbAltName)))
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{
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return FALSE;
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}
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if (!(CryptDecodeObject(X509_ASN_ENCODING, szOID_SUBJECT_ALT_NAME,
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pExt->Value.pbData, pExt->Value.cbData, 0, pAltName,
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&cbAltName)))
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{
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free(pAltName);
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return FALSE;
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}
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if (pAltName->dwAltNameChoice == CERT_ALT_NAME_URL)
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{
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if (NULL != (*ppURLString = (LPSTR) malloc(wcslen(pAltName->pwszURL)+1)))
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{
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WideCharToMultiByte(
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0,
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0,
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pAltName->pwszURL,
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-1,
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*ppURLString,
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wcslen(pAltName->pwszURL)+1,
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NULL,
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NULL);
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free(pAltName);
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return TRUE;
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}
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}
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free(pAltName);
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}
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return FALSE;
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}
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