340 lines
9.9 KiB
C++
340 lines
9.9 KiB
C++
#include "viruspch.h"
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#include "util.h"
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#include <wintrust.h>
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//=-------=
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// miscellaneous [useful] numerical constants
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//=-------=
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// the length of a guid once printed out with -'s, leading and trailing bracket,
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// plus 1 for NULL
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#define GUID_STR_LEN 40
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#define WINTRUST "wintrust.dll"
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// Free us from the tyranny of CRT by defining our own new and delete
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#define CPP_FUNCTIONS
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//#include <crtfree.h>
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HANDLE g_hHeap;
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extern HINSTANCE g_hinst;
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typedef HRESULT (WINAPI *WINVERIFYTRUST) ( HWND hwnd, GUID *ActionID, LPVOID ActionData);
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#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
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//=-------=
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// CheckTRust
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//=-------=
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// Verify the code signing.
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HRESULT CheckTrust( LPSTR szFilename )
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{
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WINVERIFYTRUST pfnWinVerifyTrust;
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HINSTANCE hinst;
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hinst = LoadLibrary(WINTRUST);
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if(!hinst)
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return E_FAIL;
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pfnWinVerifyTrust = (WINVERIFYTRUST) GetProcAddress(hinst, "WinVerifyTrust");
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if(!pfnWinVerifyTrust)
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{
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FreeLibrary(hinst);
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return E_FAIL;
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}
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GUID PublishedSoftware = WIN_SPUB_ACTION_PUBLISHED_SOFTWARE;
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GUID * ActionGUID = &PublishedSoftware;
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GUID SubjectPeImage = WIN_TRUST_SUBJTYPE_PE_IMAGE;
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WIN_TRUST_ACTDATA_CONTEXT_WITH_SUBJECT ActionData;
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WIN_TRUST_SUBJECT_FILE Subject;
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HRESULT hr = S_OK;
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Subject.hFile = INVALID_HANDLE_VALUE;
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Subject.lpPath = OLESTRFROMANSI(szFilename);
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ActionData.SubjectType = &SubjectPeImage;
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ActionData.Subject = &Subject;
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ActionData.hClientToken = NULL;
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hr = pfnWinVerifyTrust( NULL, ActionGUID, &ActionData);
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if (FAILED(hr) && (hr != TRUST_E_SUBJECT_NOT_TRUSTED)) {
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// trust system has failed without UI
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hr = E_FAIL;
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}
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FreeLibrary(hinst);
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return hr;
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}
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//=-------=
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// DeleteKeyAndSubKeys
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//=-------=
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// delete's a key and all of it's subkeys.
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// Parameters:
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// HKEY - [in] delete the descendant specified
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// LPSTR - [in] i'm the descendant specified
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// Output:
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// BOOL - TRUE OK, FALSE baaaad.
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// Notes:
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// - I don't feel too bad about implementing this recursively, since the
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// depth isn't likely to get all the great.
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// - RegDeleteKey() works recursivly on Win9x, but not NT
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BOOL DeleteKeyAndSubKeys
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(
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HKEY hkIn,
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LPSTR pszSubKey
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)
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{
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HKEY hk;
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TCHAR szTmp[MAX_PATH];
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DWORD dwTmpSize;
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long l;
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BOOL f;
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int x;
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l = RegOpenKeyEx(hkIn, pszSubKey, 0, KEY_ALL_ACCESS, &hk);
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if (l != ERROR_SUCCESS) return FALSE;
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// loop through all subkeys, blowing them away.
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f = TRUE;
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x = 0;
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while (f) {
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dwTmpSize = MAX_PATH;
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l = RegEnumKeyEx(hk, x, szTmp, &dwTmpSize, 0, NULL, NULL, NULL);
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if (l != ERROR_SUCCESS) break;
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f = DeleteKeyAndSubKeys(hk, szTmp);
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x++;
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}
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// there are no subkeys left, [or we'll just generate an error and return FALSE].
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// let's go blow this dude away.
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RegCloseKey(hk);
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l = RegDeleteKey(hkIn, pszSubKey);
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return (l == ERROR_SUCCESS) ? TRUE : FALSE;
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}
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void CopyWideStr(LPWSTR pwszTarget, LPWSTR pwszSource)
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{
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while(*pwszSource != 0)
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{
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*pwszTarget = *pwszSource;
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pwszSource++;
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pwszTarget++;
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}
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*pwszTarget = 0;
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}
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//=-------=
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// StringFromGuid
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//=-------=
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// returns an ANSI string from a CLSID or GUID
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// Parameters:
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// REFIID - [in] clsid to make string out of.
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// LPSTR - [in] buffer in which to place resultant GUID.
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// Output:
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// int - number of chars written out.
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// Notes:
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int StringFromGuid
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(
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const CLSID* piid,
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LPTSTR pszBuf
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)
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{
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return wsprintf(pszBuf, TEXT("{%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}"), piid->Data1,
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piid->Data2, piid->Data3, piid->Data4[0], piid->Data4[1], piid->Data4[2],
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piid->Data4[3], piid->Data4[4], piid->Data4[5], piid->Data4[6], piid->Data4[7]);
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}
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void ConvertAndSetText(HWND hwnd, UINT resID, LPWSTR pszSource)
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{
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LPSTR psz;
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psz = MakeAnsiStrFromWide(pszSource);
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SetDlgItemTextA(hwnd, resID, psz);
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CoTaskMemFree(psz);
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}
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//=-------=
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// MakeWideFromAnsi
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//=-------=
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// given a string, make a BSTR out of it.
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// Parameters:
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// LPSTR - [in]
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// BYTE - [in]
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// Output:
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// LPWSTR - needs to be cast to final desired result
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// Notes:
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LPWSTR MakeWideStrFromAnsi(LPSTR psz)
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{
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LPWSTR pwsz;
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int i;
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// arg checking.
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if (!psz) return NULL;
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// compute the length of the required BSTR
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if ((i = MultiByteToWideChar(CP_ACP, 0, psz, -1, NULL, 0)) <= 0)
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return NULL;
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// allocate the widestr, +1 for terminating null
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pwsz = (LPWSTR) CoTaskMemAlloc(i * sizeof(WCHAR));
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if (!pwsz) return NULL;
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MultiByteToWideChar(CP_ACP, 0, psz, -1, pwsz, i);
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pwsz[i - 1] = 0;
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return pwsz;
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}
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LPSTR MakeAnsiStrFromWide(LPWSTR pwsz)
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{
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LPSTR psz;
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int i;
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// arg checking.
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if (!pwsz)
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return NULL;
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// compute the length of the required BSTR
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if ((i = WideCharToMultiByte(CP_ACP, 0, pwsz, -1, NULL, 0, NULL, NULL)) <= 0)
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return NULL;
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// allocate the ansistr, +1 for terminating null
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psz = (LPSTR) CoTaskMemAlloc(i * sizeof(CHAR));
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if (!psz) return NULL;
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WideCharToMultiByte(CP_ACP, 0, pwsz, -1, psz, i, NULL, NULL);
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psz[i - 1] = 0;
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return psz;
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}
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static long crc_32_tab[] =
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{
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0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL, 0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L,
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0x0EDB8832L, 0x79DCB8A4L, 0xE0D5E91EL, 0x97D2D988L, 0x09B64C2BL, 0x7EB17CBDL, 0xE7B82D07L, 0x90BF1D91L,
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0x1DB71064L, 0x6AB020F2L, 0xF3B97148L, 0x84BE41DEL, 0x1ADAD47DL, 0x6DDDE4EBL, 0xF4D4B551L, 0x83D385C7L,
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0x136C9856L, 0x646BA8C0L, 0xFD62F97AL, 0x8A65C9ECL, 0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L,
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0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L, 0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL,
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0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L, 0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L,
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0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L, 0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL,
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0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L, 0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL,
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0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL, 0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L,
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0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L, 0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L,
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0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL, 0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L,
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0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL, 0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L,
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0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L, 0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL,
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0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L, 0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L,
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0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L, 0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL,
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0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L, 0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL,
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0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL, 0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L,
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0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L, 0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L,
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0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL, 0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L,
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0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL, 0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L,
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0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L, 0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL,
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0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L, 0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L,
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0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L, 0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL,
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0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L, 0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL,
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0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL, 0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L,
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0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L, 0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L,
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0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL, 0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L,
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0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL, 0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L,
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0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L, 0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL,
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0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L, 0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L,
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0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L, 0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL,
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0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L, 0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL
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};
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/* update running CRC calculation with contents of a buffer */
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ULONG CRC32Compute(BYTE FAR *pb,unsigned cb,ULONG crc32)
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{
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// ** Put CRC in form loop want it
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crc32 = (-1L - crc32);
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while (cb--)
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{
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crc32 = crc_32_tab[(BYTE)crc32 ^ *pb++] ^ ((crc32 >> 8) & 0x00FFFFFFL);
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}
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// ** Put CRC in form client wants it
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return (-1L - crc32);
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}
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int ErrMsgBox( UINT id, LPCTSTR pszTitle, UINT mbFlags)
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{
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HWND hwndActive;
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TCHAR szMsg[MAX_PATH];
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hwndActive = GetActiveWindow();
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if ( !LoadSz( id, szMsg, ARRAYSIZE(szMsg) ) )
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{
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lstrcpy( szMsg, TEXT("Can not load strings.") );
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}
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id = MessageBox(hwndActive, szMsg, pszTitle, mbFlags | MB_ICONERROR );
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return id;
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}
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HRESULT MakeSureKeyExist( HKEY hKey, LPSTR pSubKey )
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{
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HRESULT hr = E_FAIL;
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HKEY hSubKey;
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DWORD dwDsposition;
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if ( !pSubKey || (*pSubKey == '\0') )
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{
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// ask for nothing and return nothing
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return S_OK;
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}
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if ( RegCreateKeyExA( hKey, pSubKey, 0, "", REG_OPTION_NON_VOLATILE, KEY_READ, NULL, &hSubKey, &dwDsposition) == ERROR_SUCCESS )
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{
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hr = S_OK;
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RegCloseKey( hSubKey );
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}
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return hr;
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}
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int __cdecl _main() { return 0; }
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