BOOL PrintCertificateInfo()

in tools/FileSignatureInfo/FileSignatureInfo.cpp [231:329]
79 lines of code
9 McCabe index (conditional complexity)

BOOL PrintCertificateInfo(PCCERT_CONTEXT pCertContext)
{
    BOOL fReturn = FALSE;
    LPTSTR szName = NULL;
    DWORD dwData;

    __try
    {
        // Print Serial Number.
        _tprintf(_T("Serial Number: "));
        dwData = pCertContext->pCertInfo->SerialNumber.cbData;
        for (DWORD n = 0; n < dwData; n++)
        {
            _tprintf(_T("%02x "),
                pCertContext->pCertInfo->SerialNumber.pbData[dwData - (n + 1)]);
        }
        _tprintf(_T("\n"));

        // Get Issuer name size.
        if (!(dwData = CertGetNameString(pCertContext,
            CERT_NAME_SIMPLE_DISPLAY_TYPE,
            CERT_NAME_ISSUER_FLAG,
            NULL,
            NULL,
            0)))
        {
            _tprintf(_T("CertGetNameString failed.\n"));
            __leave;
        }

        // Allocate memory for Issuer name.
        szName = (LPTSTR)LocalAlloc(LPTR, dwData * sizeof(TCHAR));
        if (!szName)
        {
            _tprintf(_T("Unable to allocate memory for issuer name.\n"));
            __leave;
        }

        // Get Issuer name.
        if (!(CertGetNameString(pCertContext,
            CERT_NAME_SIMPLE_DISPLAY_TYPE,
            CERT_NAME_ISSUER_FLAG,
            NULL,
            szName,
            dwData)))
        {
            _tprintf(_T("CertGetNameString failed.\n"));
            __leave;
        }

        // print Issuer name.
        _tprintf(_T("Issuer Name: %s\n"), szName);
        LocalFree(szName);
        szName = NULL;

        // Get Subject name size.
        if (!(dwData = CertGetNameString(pCertContext,
            CERT_NAME_SIMPLE_DISPLAY_TYPE,
            0,
            NULL,
            NULL,
            0)))
        {
            _tprintf(_T("CertGetNameString failed.\n"));
            __leave;
        }

        // Allocate memory for subject name.
        szName = (LPTSTR)LocalAlloc(LPTR, dwData * sizeof(TCHAR));
        if (!szName)
        {
            _tprintf(_T("Unable to allocate memory for subject name.\n"));
            __leave;
        }

        // Get subject name.
        if (!(CertGetNameString(pCertContext,
            CERT_NAME_SIMPLE_DISPLAY_TYPE,
            0,
            NULL,
            szName,
            dwData)))
        {
            _tprintf(_T("CertGetNameString failed.\n"));
            __leave;
        }

        // Print Subject Name.
        _tprintf(_T("Subject Name: %s\n"), szName);

        fReturn = TRUE;
    }
    __finally
    {
        if (szName != NULL) LocalFree(szName);
    }

    return fReturn;
}