212 lines
8.2 KiB
C++
212 lines
8.2 KiB
C++
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// --------------------------------------------------------------------------------
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// Demand.cpp
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// Written By: jimsch, brimo, t-erikne (bastardized by sbailey)
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// --------------------------------------------------------------------------------
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// W4 stuff
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#ifdef SMIME_V3
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#pragma warning(disable: 4201) // nameless struct/union
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#pragma warning(disable: 4514) // unreferenced inline function removed
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// --------------------------------------------------------------------------------
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// Includes
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// --------------------------------------------------------------------------------
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#include <windows.h>
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//#include "myassert.h"
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#define AssertSz(a, b)
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#define Assert(a)
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#define IMPLEMENT_LOADER_FUNCTIONS
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#include "crypttls.h"
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#include "ess.h"
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#include "demand2.h"
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#include "badstrfunctions.h"
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// --------------------------------------------------------------------------------
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// CRIT_GET_PROC_ADDR
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// --------------------------------------------------------------------------------
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#define CRIT_GET_PROC_ADDR(h, fn, temp) \
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temp = (TYP_##fn) GetProcAddress(h, #fn); \
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if (temp) \
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VAR_##fn = temp; \
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else \
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{ \
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AssertSz(0, VAR_##fn" failed to load"); \
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goto error; \
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}
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// --------------------------------------------------------------------------------
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// RESET
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// --------------------------------------------------------------------------------
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#define RESET(fn) VAR_##fn = LOADER_##fn;
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// --------------------------------------------------------------------------------
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// GET_PROC_ADDR
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// --------------------------------------------------------------------------------
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#define GET_PROC_ADDR(h, fn) \
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VAR_##fn = (TYP_##fn) GetProcAddress(h, #fn); \
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Assert(VAR_##fn != NULL); \
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if(NULL == VAR_##fn ) { \
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VAR_##fn = LOADER_##fn; \
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}
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// --------------------------------------------------------------------------------
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// GET_PROC_ADDR_ORDINAL
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// --------------------------------------------------------------------------------
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#define GET_PROC_ADDR_ORDINAL(h, fn, ord) \
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VAR_##fn = (TYP_##fn) GetProcAddress(h, MAKEINTRESOURCE(ord)); \
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Assert(VAR_##fn != NULL);
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// --------------------------------------------------------------------------------
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// GET_PROC_ADDR3
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// --------------------------------------------------------------------------------
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#define GET_PROC_ADDR3(h, fn, varname) \
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VAR_##varname = (TYP_##varname) GetProcAddress(h, #fn); \
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Assert(VAR_##varname != NULL);
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// --------------------------------------------------------------------------------
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// Static Globals
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// --------------------------------------------------------------------------------
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static HMODULE s_hCrypt = 0;
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static HMODULE s_hNmasn1 = 0;
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static CRITICAL_SECTION g_csDefLoad = {0};
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// --------------------------------------------------------------------------------
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// InitDemandLoadedLibs
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// --------------------------------------------------------------------------------
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void ESS_InitDemandLoadLibs(void)
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{
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InitializeCriticalSection(&g_csDefLoad);
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}
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// --------------------------------------------------------------------------------
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// FreeDemandLoadedLibs
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// --------------------------------------------------------------------------------
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void ESS_FreeDemandLoadLibs(void)
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{
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EnterCriticalSection(&g_csDefLoad);
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if (s_hCrypt) FreeLibrary(s_hCrypt);
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if (s_hNmasn1) FreeLibrary(s_hNmasn1);
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LeaveCriticalSection(&g_csDefLoad);
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DeleteCriticalSection(&g_csDefLoad);
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}
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// --------------------------------------------------------------------------------
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// DemandLoadCrypt32
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// --------------------------------------------------------------------------------
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BOOL ESS_DemandLoadCrypt32(void)
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{
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BOOL fRet = TRUE;
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EnterCriticalSection(&g_csDefLoad);
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if (0 == s_hCrypt)
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{
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s_hCrypt = LoadLibrary("CRYPT32.DLL");
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AssertSz((BOOL)s_hCrypt, TEXT("LoadLibrary failed on CRYPT32.DLL"));
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if (0 == s_hCrypt)
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fRet = FALSE;
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else
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{
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GET_PROC_ADDR(s_hCrypt, CryptRegisterOIDFunction);
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GET_PROC_ADDR(s_hCrypt, I_CryptUninstallAsn1Module);
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GET_PROC_ADDR(s_hCrypt, I_CryptInstallAsn1Module);
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GET_PROC_ADDR(s_hCrypt, I_CryptGetAsn1Encoder);
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GET_PROC_ADDR(s_hCrypt, I_CryptGetAsn1Decoder);
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}
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}
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LeaveCriticalSection(&g_csDefLoad);
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return fRet;
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}
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BOOL FIsMsasn1Loaded()
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{
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static int fTested = FALSE;
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if (!fTested) {
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ESS_DemandLoadNmasn1();
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fTested = TRUE;
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}
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return s_hNmasn1 != 0;
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}
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// --------------------------------------------------------------------------------
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// DemandLoadNmasn1
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// --------------------------------------------------------------------------------
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BOOL ESS_DemandLoadNmasn1(void)
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{
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BOOL fRet = TRUE;
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EnterCriticalSection(&g_csDefLoad);
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if (0 == s_hNmasn1) {
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s_hNmasn1 = LoadLibrary("MSAsn1.DLL");
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AssertSz((BOOL)s_hNmasn1, TEXT("LoadLibrary failed on MSAsn1.DLL"));
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if (0 == s_hNmasn1)
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fRet = FALSE;
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else {
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GET_PROC_ADDR(s_hNmasn1, ASN1_CreateModule);
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GET_PROC_ADDR(s_hNmasn1, ASN1_CloseModule);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncObjectIdentifier2);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecObjectIdentifier2);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncEndOfContents);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncS32);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncOpenType);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncExplicitTag);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecEndOfContents);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecS32Val);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecOpenType2);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecExplicitTag);
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GET_PROC_ADDR(s_hNmasn1, ASN1CEREncOctetString);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecOctetString2);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecOctetString);
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GET_PROC_ADDR(s_hNmasn1, ASN1octetstring_free);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncUTF8String);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecUTF8String);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecPeekTag);
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GET_PROC_ADDR(s_hNmasn1, ASN1utf8string_free);
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GET_PROC_ADDR(s_hNmasn1, ASN1DecRealloc);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecNotEndOfContents);
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GET_PROC_ADDR(s_hNmasn1, ASN1Free);
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GET_PROC_ADDR(s_hNmasn1, ASN1DecSetError);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncU32);
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GET_PROC_ADDR(s_hNmasn1, ASN1CEREncCharString);
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GET_PROC_ADDR(s_hNmasn1, ASN1CEREncBeginBlk);
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GET_PROC_ADDR(s_hNmasn1, ASN1CEREncNewBlkElement);
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GET_PROC_ADDR(s_hNmasn1, ASN1CEREncFlushBlkElement);
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GET_PROC_ADDR(s_hNmasn1, ASN1CEREncEndBlk);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecU16Val);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecZeroCharString);
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GET_PROC_ADDR(s_hNmasn1, ASN1ztcharstring_free);
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GET_PROC_ADDR(s_hNmasn1, ASN1CEREncGeneralizedTime);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncNull);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecGeneralizedTime);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecNull);
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GET_PROC_ADDR(s_hNmasn1, ASN1_Encode);
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GET_PROC_ADDR(s_hNmasn1, ASN1_FreeEncoded);
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GET_PROC_ADDR(s_hNmasn1, ASN1_Decode);
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GET_PROC_ADDR(s_hNmasn1, ASN1_SetEncoderOption);
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GET_PROC_ADDR(s_hNmasn1, ASN1_GetEncoderOption);
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GET_PROC_ADDR(s_hNmasn1, ASN1_FreeDecoded);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncOctetString);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncCharString);
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GET_PROC_ADDR(s_hNmasn1, ASN1BEREncSX);
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GET_PROC_ADDR(s_hNmasn1, ASN1BERDecSXVal);
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GET_PROC_ADDR(s_hNmasn1, ASN1intx_free);
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}
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}
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LeaveCriticalSection(&g_csDefLoad);
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return fRet;
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}
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#endif // SMIME_V3
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