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#include "commonheaders.h"
HMODULE hgpg;
HRSRC hRS_gpg;
PBYTE pRS_gpg;
extern DLLEXPORT int __cdecl _gpg_init(void);
extern DLLEXPORT int __cdecl _gpg_done(void);
extern DLLEXPORT int __cdecl _gpg_open_keyrings(LPSTR,LPSTR);
extern DLLEXPORT int __cdecl _gpg_close_keyrings(void);
extern DLLEXPORT void __cdecl _gpg_set_log(LPCSTR);
extern DLLEXPORT void __cdecl _gpg_set_tmp(LPCSTR);
extern DLLEXPORT LPSTR __cdecl _gpg_get_error(void);
extern DLLEXPORT int __cdecl _gpg_size_keyid(void);
extern DLLEXPORT int __cdecl _gpg_select_keyid(HWND,LPSTR);
extern DLLEXPORT LPSTR __cdecl _gpg_encrypt(LPCSTR,LPCSTR);
extern DLLEXPORT LPSTR __cdecl _gpg_decrypt(LPCSTR);
extern DLLEXPORT LPSTR __cdecl _gpg_get_passphrases();
extern DLLEXPORT void __cdecl _gpg_set_passphrases(LPCSTR);
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 *p_gpg_init)(void);
int (__cdecl *p_gpg_done)(void);
int (__cdecl *p_gpg_open_keyrings)(LPSTR,LPSTR);
int (__cdecl *p_gpg_close_keyrings)(void);
void (__cdecl *p_gpg_set_log)(LPCSTR);
void (__cdecl *p_gpg_set_tmp)(LPCSTR);
LPSTR (__cdecl *p_gpg_get_error)(void);
int (__cdecl *p_gpg_size_keyid)(void);
int (__cdecl *p_gpg_select_keyid)(HWND,LPSTR);
LPSTR (__cdecl *p_gpg_encrypt)(LPCSTR,LPCSTR);
LPSTR (__cdecl *p_gpg_decrypt)(LPCSTR);
LPSTR (__cdecl *p_gpg_get_passphrases)();
void (__cdecl *p_gpg_set_passphrases)(LPCSTR);
#define GPA(x) \
{ \
*((PVOID*)&p##x) = (PVOID)GetProcAddress(mod, TEXT(#x)); \
if (!p##x) { \
return 0; \
} \
}
int load_gpg_dll(HMODULE mod) {
GPA(_gpg_init);
GPA(_gpg_done);
GPA(_gpg_open_keyrings);
GPA(_gpg_close_keyrings);
GPA(_gpg_set_log);
GPA(_gpg_set_tmp);
GPA(_gpg_get_error);
GPA(_gpg_size_keyid);
GPA(_gpg_select_keyid);
GPA(_gpg_encrypt);
GPA(_gpg_decrypt);
GPA(_gpg_get_passphrases);
GPA(_gpg_set_passphrases);
return 1;
}
#undef GPA
#define GPA(x) \
{ \
*((PVOID*)&p##x) = (PVOID)MemGetProcAddress(mod, TEXT(#x)); \
if (!p##x) { \
return 0; \
} \
}
int load_gpg_mem(HMODULE mod) {
GPA(_gpg_init);
GPA(_gpg_done);
GPA(_gpg_open_keyrings);
GPA(_gpg_close_keyrings);
GPA(_gpg_set_log);
GPA(_gpg_set_tmp);
GPA(_gpg_get_error);
GPA(_gpg_size_keyid);
GPA(_gpg_select_keyid);
GPA(_gpg_encrypt);
GPA(_gpg_decrypt);
GPA(_gpg_get_passphrases);
GPA(_gpg_set_passphrases);
return 1;
}
#undef GPA
int __cdecl gpg_init()
{
int r; char t[MAX_PATH];
if ( isVista ) {
sprintf(t,"%s\\gnupgw.dll",TEMP);
ExtractFile(t,666,1);
hgpg = LoadLibraryA(t);
}
else {
hRS_gpg = FindResource( g_hInst, MAKEINTRESOURCE(1), MAKEINTRESOURCE(666) );
pRS_gpg = (PBYTE) LoadResource( g_hInst, hRS_gpg ); LockResource( pRS_gpg );
hgpg = MemLoadLibrary( pRS_gpg );
}
if (hgpg) {
if ( isVista ) load_gpg_dll(hgpg);
else load_gpg_mem(hgpg);
r = p_gpg_init();
if (r) {
return r;
}
if ( isVista ) {
FreeLibrary(hgpg);
}
else {
MemFreeLibrary(hgpg);
UnlockResource( pRS_gpg );
FreeResource( pRS_gpg );
}
}
hgpg = 0;
return 0;
}
int __cdecl gpg_done()
{
int r = 0;
if (hgpg) {
r = p_gpg_done();
if ( isVista ) {
FreeLibrary(hgpg);
}
else {
MemFreeLibrary(hgpg);
UnlockResource( pRS_gpg );
FreeResource( pRS_gpg );
}
hgpg = 0;
}
return r;
}
int __cdecl gpg_open_keyrings(LPSTR ExecPath, LPSTR HomePath)
{
return p_gpg_open_keyrings(ExecPath, HomePath);
}
int __cdecl gpg_close_keyrings()
{
return p_gpg_close_keyrings();
}
void __cdecl gpg_set_log(LPCSTR LogPath)
{
p_gpg_set_log(LogPath);
}
void __cdecl gpg_set_tmp(LPCSTR TmpPath)
{
p_gpg_set_tmp(TmpPath);
}
LPSTR __cdecl gpg_get_error()
{
return p_gpg_get_error();
}
LPSTR __cdecl gpg_encrypt(pCNTX ptr, LPCSTR szPlainMsg)
{
ptr->error = ERROR_NONE;
pGPGDATA p = (pGPGDATA) ptr->pdata;
SAFE_FREE(ptr->tmp);
LPSTR szEncMsg;
szEncMsg = p_gpg_encrypt(szPlainMsg,(LPCSTR)p->gpgKeyID);
if (!szEncMsg) return 0;
ptr->tmp = (LPSTR)_strdup(szEncMsg);
LocalFree((LPVOID)szEncMsg);
return ptr->tmp;
}
LPSTR __cdecl gpg_decrypt(pCNTX ptr, LPCSTR szEncMsg)
{
ptr->error = ERROR_NONE;
SAFE_FREE(ptr->tmp);
LPSTR szPlainMsg = p_gpg_decrypt(szEncMsg);
/* if (!szPlainMsg) {
ptr = get_context_on_id(hPGPPRIV); // find private pgp keys
if (ptr && ptr->pgpKey)
szPlainMsg = p_gpg_decrypt_key(szEncMsg,(LPCSTR)ptr->pgpKey);
if (!szPlainMsg) return NULL;
}*/
ptr->tmp = (LPSTR)_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 = 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 = 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);
}
}
SAFE_FREE(ptr->tmp);
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 (!p_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 p_gpg_size_keyid();
}
int __cdecl gpg_select_keyid(HWND hDlg,LPSTR szKeyID)
{
return p_gpg_select_keyid(hDlg,szKeyID);
}
LPSTR __cdecl gpg_get_passphrases()
{
return p_gpg_get_passphrases();
}
void __cdecl gpg_set_passphrases(LPCSTR buffer)
{
p_gpg_set_passphrases(buffer);
}
// EOF
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