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path: root/plugins/CryptoPP/src/cpp_gpgw.cpp
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#include "commonheaders.h"


HMODULE hgpg;
HRSRC	hRS_gpg;
PBYTE	pRS_gpg;

int   __cdecl _gpg_init(void);
int   __cdecl _gpg_done(void);
int   __cdecl _gpg_open_keyrings(LPSTR,LPSTR);
int   __cdecl _gpg_close_keyrings(void);
void  __cdecl _gpg_set_log(LPCSTR);
void  __cdecl _gpg_set_tmp(LPCSTR);
LPSTR __cdecl _gpg_get_error(void);
int   __cdecl _gpg_size_keyid(void);
int   __cdecl _gpg_select_keyid(HWND,LPSTR);
LPSTR __cdecl _gpg_encrypt(LPCSTR,LPCSTR);
LPSTR __cdecl _gpg_decrypt(LPCSTR);
LPSTR __cdecl _gpg_get_passphrases();
void  __cdecl _gpg_set_passphrases(LPCSTR);

int __cdecl gpg_init()
{
	hgpg = g_hInst;
	return _gpg_init();
}

int __cdecl gpg_done()
{
    int r = 0;
    if (hgpg) {
    	r = _gpg_done();
		hgpg = 0;
    }
	return r;
}


int __cdecl gpg_open_keyrings(LPSTR ExecPath, LPSTR HomePath)
{
	return _gpg_open_keyrings(ExecPath, HomePath);
}


int __cdecl gpg_close_keyrings()
{
	return _gpg_close_keyrings();
}


void __cdecl gpg_set_log(LPCSTR LogPath)
{
	_gpg_set_log(LogPath);
}


void __cdecl gpg_set_tmp(LPCSTR TmpPath)
{
	_gpg_set_tmp(TmpPath);
}


LPSTR __cdecl gpg_get_error()
{
	return _gpg_get_error();
}


LPSTR __cdecl gpg_encrypt(pCNTX ptr, LPCSTR szPlainMsg)
{
	ptr->error = ERROR_NONE;
	pGPGDATA p = (pGPGDATA) ptr->pdata;

	LPSTR szEncMsg;
	szEncMsg = _gpg_encrypt(szPlainMsg,(LPCSTR)p->gpgKeyID);
	if (!szEncMsg) {
		replaceStr(ptr->tmp, 0);
		return 0;
	}

	replaceStr(ptr->tmp, mir_strdup(szEncMsg));
	LocalFree((LPVOID)szEncMsg);
	return ptr->tmp;
}


LPSTR __cdecl gpg_decrypt(pCNTX ptr, LPCSTR szEncMsg)
{
    ptr->error = ERROR_NONE;

    LPSTR szPlainMsg = _gpg_decrypt(szEncMsg);
    replaceStr(ptr->tmp, mir_strdup(szPlainMsg));
    LocalFree((LPVOID)szPlainMsg);

    return ptr->tmp;
}


LPSTR __cdecl gpg_encode(HANDLE context, LPCSTR szPlainMsg)
{
	pCNTX ptr = get_context_on_id(context); if (!ptr) return NULL;
	pGPGDATA p = (pGPGDATA) cpp_alloc_pdata(ptr);
	if (!p->gpgKeyID) { ptr->error = ERROR_NO_GPG_KEY; return NULL; }

	// utf8 message: encrypt.
	LPSTR szUtfMsg;
	if ( ptr->mode & MODE_GPG_ANSI ) {
		LPWSTR wszMsg = utf8decode(szPlainMsg);
		int wlen = (int)wcslen(wszMsg)+1;
		szUtfMsg = (LPSTR) alloca(wlen);
		WideCharToMultiByte(CP_ACP, 0, wszMsg, -1, szUtfMsg, wlen, 0, 0);
	}
	else {
		szUtfMsg = (LPSTR)szPlainMsg;
	}
	return gpg_encrypt(ptr, szUtfMsg);
}


LPSTR __cdecl gpg_decode(HANDLE context, LPCSTR szEncMsg)
{
	pCNTX ptr = get_context_on_id(context);
	if (!ptr) return NULL;

	LPSTR szNewMsg = NULL;
	LPSTR szOldMsg = gpg_decrypt(ptr, szEncMsg);

	if (szOldMsg) {
		if ( !is_7bit_string(szOldMsg) && !is_utf8_string(szOldMsg) ) {
			int slen = (int)strlen(szOldMsg)+1;
			LPWSTR wszMsg = (LPWSTR) alloca(slen*sizeof(WCHAR));
			MultiByteToWideChar(CP_ACP, 0, szOldMsg, -1, wszMsg, slen*sizeof(WCHAR));
			szNewMsg = _strdup(utf8encode(wszMsg));
		}
		else {
			szNewMsg = _strdup(szOldMsg);
		}
	}
	replaceStr(ptr->tmp, szNewMsg);
	return szNewMsg;
}


int __cdecl gpg_set_key(HANDLE context, LPCSTR RemoteKey)
{
/*    pCNTX ptr = get_context_on_id(context);
    if (!ptr) return 0;
   	ptr->error = ERROR_NONE;

//   	if (!_gpg_check_key(RemoteKey)) return 0;

   	SAFE_FREE(ptr->pgpKey);
	ptr->pgpKey = (BYTE *) malloc(strlen(RemoteKey)+1);
	strcpy((LPSTR)ptr->pgpKey,RemoteKey);

   	return 1;
*/
	return 0;
}


int __cdecl gpg_set_keyid(HANDLE context, LPCSTR RemoteKeyID)
{
	pCNTX ptr = get_context_on_id(context); if (!ptr) return 0;
	pGPGDATA p = (pGPGDATA) cpp_alloc_pdata(ptr);
   	ptr->error = ERROR_NONE;

   	SAFE_FREE(p->gpgKeyID);
	p->gpgKeyID = (PBYTE)_strdup(RemoteKeyID);

   	return 1;
}


int __cdecl gpg_size_keyid()
{
	return _gpg_size_keyid();
}


int __cdecl gpg_select_keyid(HWND hDlg,LPSTR szKeyID)
{
	return _gpg_select_keyid(hDlg,szKeyID);
}


LPSTR __cdecl gpg_get_passphrases()
{
	return _gpg_get_passphrases();
}


void __cdecl gpg_set_passphrases(LPCSTR buffer)
{
	_gpg_set_passphrases(buffer);
}


// EOF