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#include <string.h>
#include <ntverp.h>
#include "priv.h"
#include "ids.h"
#define SECURITY_WIN32
#include <schnlsp.h> // for UNISP_NAME_A
#include <sspi.h> // for SCHANNEL.dll api -- to obtain encryption key size
#include <mluisupp.h>
#include <wininet.h> // INTERNET_MAX_URL_LENGTH
typedef PSecurityFunctionTableA (APIENTRY *INITSECURITYINTERFACE_FN_A)(void);
// Returns the maximum cipher strength
DWORD GetCipherStrength(){ static DWORD dwKeySize = (DWORD)-1; if (dwKeySize == (DWORD)-1) { HINSTANCE hSecurity;
dwKeySize = 0;
hSecurity = LoadLibrary(TEXT("security.dll")); if (hSecurity) { INITSECURITYINTERFACE_FN_A pfnInitSecurityInterfaceA;
// Get the SSPI dispatch table
pfnInitSecurityInterfaceA = (INITSECURITYINTERFACE_FN_A)GetProcAddress(hSecurity, "InitSecurityInterfaceA"); if (pfnInitSecurityInterfaceA) { PSecurityFunctionTableA pSecFuncTable;
pSecFuncTable = pfnInitSecurityInterfaceA(); if (pSecFuncTable && pSecFuncTable->AcquireCredentialsHandleA && pSecFuncTable->QueryCredentialsAttributesA) { TimeStamp tsExpiry; CredHandle chCred; SecPkgCred_CipherStrengths cs;
if (SEC_E_OK == (*pSecFuncTable->AcquireCredentialsHandleA)(NULL, UNISP_NAME_A, // Package
SECPKG_CRED_OUTBOUND, NULL, NULL, NULL, NULL, &chCred, // Handle
&tsExpiry)) { if (SEC_E_OK == (*pSecFuncTable->QueryCredentialsAttributesA)(&chCred, SECPKG_ATTR_CIPHER_STRENGTHS, &cs)) { dwKeySize = cs.dwMaximumCipherStrength; }
// Free the handle if we can
if (pSecFuncTable->FreeCredentialsHandle) { (*pSecFuncTable->FreeCredentialsHandle)(&chCred); } } } } FreeLibrary(hSecurity); } } return dwKeySize;}
typedef struct{ WCHAR szVersion[64]; WCHAR szVBLVersion[64]; WCHAR szCustomizedVersion[3]; WCHAR szUserName[256]; WCHAR szCompanyName[256]; DWORD dwKeySize; WCHAR szProductId[256]; WCHAR szUpdateUrl[INTERNET_MAX_URL_LENGTH]; WCHAR szIEAKStr[256];} SHABOUTINFOW;
BOOL SHAboutInfoW(LPWSTR pszInfo, DWORD cchInfo){ HRESULT hr = E_FAIL;
if (cchInfo > 0) { SHABOUTINFOW* pInfo; pszInfo[0] = L'\0'; pInfo = (SHABOUTINFOW*)LocalAlloc(LPTR, sizeof(SHABOUTINFOW)); if (pInfo) { DWORD cbSize;
if (GetModuleHandle(TEXT("EXPLORER.EXE")) || GetModuleHandle(TEXT("IEXPLORE.EXE"))) { // get the Version number (version string is in the following format 5.00.xxxx.x)
cbSize = sizeof(pInfo->szVersion); SHRegGetValueW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Internet Explorer", L"Version", SRRF_RT_REG_SZ | SRRF_ZEROONFAILURE, NULL, pInfo->szVersion, &cbSize);
// get the VBL version info (vbl string is in the following format 2600.lab.yymmdd)
cbSize = sizeof(pInfo->szVBLVersion); if (ERROR_SUCCESS == SHRegGetValueW(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Windows NT\\Current Version", L"BuildLab", SRRF_RT_REG_SZ | SRRF_ZEROONFAILURE, NULL, pInfo->szVBLVersion, &cbSize)) { int cchVBLVersion = lstrlenW(pInfo->szVBLVersion); if (cchVBLVersion > 12) // 12 for "2600.?.yymmdd"
{ // The "BuildLab" reg value contains the VBL build # in the format: "2204.reinerf.010700"
// Since we are only interested in the latter part, we remove the first 4 digits
MoveMemory(pInfo->szVBLVersion, &pInfo->szVBLVersion[4], (cchVBLVersion - 4 + 1) * sizeof(WCHAR)); } else { pInfo->szVBLVersion[0] = L'\0'; } } } else { // Not in the explorer or iexplore process so we are doing some side by side stuff so
// reflect this in the version string. Maybe we should get the version out of MSHTML
// but not sure since this still doesn't reflect IE4 or IE5 properly anyway.
MLLoadStringW(IDS_SIDEBYSIDE, pInfo->szVersion, ARRAYSIZE(pInfo->szVersion)); }
// added by pritobla on 9/1/98
// CustomizedVersion contains a 2-letter code that identifies what mode was used
// (CORP, ICP, ISP, etc.) in building this version IE using the IEAK.
cbSize = sizeof(pInfo->szCustomizedVersion); SHRegGetValueW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Internet Explorer", L"CustomizedVersion", SRRF_RT_REG_SZ | SRRF_ZEROONFAILURE, NULL, pInfo->szCustomizedVersion, &cbSize); // get the User name.
cbSize = sizeof(pInfo->szUserName); SHRegGetValueW(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Windows NT\\Current Version", L"RegisteredOwner", SRRF_RT_REG_SZ | SRRF_ZEROONFAILURE, NULL, pInfo->szUserName, &cbSize);
// get the Organization name.
cbSize = sizeof(pInfo->szCompanyName); SHRegGetValueW(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Windows NT\\Current Version", L"RegisteredOrganization", SRRF_RT_REG_SZ | SRRF_ZEROONFAILURE, NULL, pInfo->szCompanyName, &cbSize);
// get the encription key size
pInfo->dwKeySize = GetCipherStrength();
cbSize = sizeof(pInfo->szProductId); SHRegGetValueW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Internet Explorer\\Registration", L"ProductId", SRRF_RT_REG_SZ | SRRF_ZEROONFAILURE, NULL, pInfo->szProductId, &cbSize);
// get the custom IEAK update url
// (always get from Windows\CurrentVersion because IEAK policy file must be independent)
cbSize = sizeof(pInfo->szUpdateUrl); SHRegGetValueW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion", L"IEAKUpdateUrl", SRRF_RT_REG_SZ | SRRF_ZEROONFAILURE, NULL, pInfo->szUpdateUrl, &cbSize);
// get the custom IEAK branded help string
cbSize = sizeof(pInfo->szIEAKStr); SHRegGetValueW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Internet Explorer\\Registration", L"IEAKHelpString", SRRF_RT_REG_SZ | SRRF_ZEROONFAILURE, NULL, pInfo->szIEAKStr, &cbSize);
// glue all of the peices together
hr = StringCchPrintfExW(pszInfo, cchInfo, NULL, NULL, STRSAFE_NULL_ON_FAILURE, L"%s%s%s~%s~%s~%d~%s~%s~%s", pInfo->szVersion, pInfo->szVBLVersion, pInfo->szCustomizedVersion, pInfo->szUserName, pInfo->szCompanyName, pInfo->dwKeySize, pInfo->szProductId, pInfo->szUpdateUrl, pInfo->szIEAKStr);
LocalFree(pInfo); } }
return SUCCEEDED(hr);}
BOOL SHAboutInfoA(LPSTR pszInfoA, DWORD cchInfoA){ BOOL bRet = FALSE; LPWSTR pszTemp;
if (cchInfoA > 0) { DWORD cchTemp = cchInfoA;
pszInfoA[0] = '\0';
pszTemp = (LPWSTR)LocalAlloc(LPTR, cchTemp * sizeof(WCHAR)); if (pszTemp) { bRet = SHAboutInfoW(pszTemp, cchTemp) && SHUnicodeToAnsi(pszTemp, pszInfoA, cchInfoA); LocalFree(pszTemp); } }
return bRet;}
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