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-rw-r--r--plugins/Db3x_mmap/src/dbsettings.cpp79
1 files changed, 64 insertions, 15 deletions
diff --git a/plugins/Db3x_mmap/src/dbsettings.cpp b/plugins/Db3x_mmap/src/dbsettings.cpp
index e00cd92c93..d0ea542bb5 100644
--- a/plugins/Db3x_mmap/src/dbsettings.cpp
+++ b/plugins/Db3x_mmap/src/dbsettings.cpp
@@ -37,6 +37,41 @@ DWORD __forceinline GetSettingValueLength(PBYTE pSetting)
#define MoveAlong(n) {int x = n; pBlob += (x); ofsBlobPtr += (x); bytesRemaining -= (x);}
#define VLT(n) ((n == DBVT_UTF8)?DBVT_ASCIIZ:n)
+static bool isEncrypted(LPCSTR szModule, LPCSTR szSetting)
+{
+ if (!_strnicmp(szSetting, "password", 8)) return true;
+ if (!strcmp(szSetting, "NLProxyAuthPassword")) return true;
+ if (!strcmp(szSetting, "FileProxyPassword")) return true;
+ if (!strcmp(szSetting, "TokenSecret")) return true;
+
+ if (!strcmp(szModule, "SecureIM")) {
+ if (!strcmp(szSetting, "pgp")) return true;
+ if (!strcmp(szSetting, "pgpPrivKey")) return true;
+ }
+ return false;
+}
+
+//VERY VERY VERY BASIC ENCRYPTION FUNCTION
+
+static void Encrypt(char *msg, BOOL up)
+{
+ int jump = (up) ? 5 : -5;
+ for (int i = 0; msg[i]; i++)
+ msg[i] = msg[i] + jump;
+}
+
+__forceinline void EncodeString(LPSTR buf)
+{
+ Encrypt(buf, TRUE);
+}
+
+__forceinline void DecodeString(LPSTR buf)
+{
+ Encrypt(buf, FALSE);
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
int CDb3Base::GetContactSettingWorker(HANDLE hContact,DBCONTACTGETSETTING *dbcgs,int isStatic)
{
DWORD ofsModuleName,ofsContact,ofsSettingsGroup,ofsBlobPtr;
@@ -92,6 +127,8 @@ int CDb3Base::GetContactSettingWorker(HANDLE hContact,DBCONTACTGETSETTING *dbcgs
dbcgs->pValue->pszVal = (char*)mir_alloc(strlen(pCachedValue->pszVal)+1);
strcpy(dbcgs->pValue->pszVal,pCachedValue->pszVal);
}
+ if (isEncrypted(dbcgs->szModule, dbcgs->szSetting))
+ DecodeString(dbcgs->pValue->pszVal);
}
else memcpy( dbcgs->pValue, pCachedValue, sizeof( DBVARIANT ));
@@ -114,6 +151,7 @@ int CDb3Base::GetContactSettingWorker(HANDLE hContact,DBCONTACTGETSETTING *dbcgs
ofsSettingsGroup = GetSettingsGroupOfsByModuleNameOfs(&dbc,ofsContact,ofsModuleName);
if (ofsSettingsGroup) {
+ bool bEncrypted = false;
ofsBlobPtr = ofsSettingsGroup+offsetof(DBContactSettings,blob);
pBlob = DBRead(ofsBlobPtr,sizeof(DBContactSettings),&bytesRemaining);
while (pBlob[0]) {
@@ -135,6 +173,7 @@ int CDb3Base::GetContactSettingWorker(HANDLE hContact,DBCONTACTGETSETTING *dbcgs
case DBVT_DWORD: DecodeCopyMemory(&(dbcgs->pValue->dVal), (PDWORD)(pBlob+1), 4); break;
case DBVT_UTF8:
case DBVT_ASCIIZ:
+ bEncrypted = isEncrypted(dbcgs->szModule, dbcgs->szSetting);
NeedBytes(3+*(PWORD)(pBlob+1));
if (isStatic) {
dbcgs->pValue->cchVal--;
@@ -164,13 +203,18 @@ int CDb3Base::GetContactSettingWorker(HANDLE hContact,DBCONTACTGETSETTING *dbcgs
}
/**** add to cache **********************/
- if ( dbcgs->pValue->type != DBVT_BLOB ) {
- DBVARIANT* pCachedValue = m_cache->GetCachedValuePtr( hContact, szCachedSettingName, 1 );
- if ( pCachedValue != NULL ) {
+ if (dbcgs->pValue->type != DBVT_BLOB && !bEncrypted) {
+ DBVARIANT* pCachedValue = m_cache->GetCachedValuePtr(hContact, szCachedSettingName, 1);
+ if (pCachedValue != NULL) {
m_cache->SetCachedVariant(dbcgs->pValue, pCachedValue);
log3("set cached [%08p] %s (%p)", hContact, szCachedSettingName, pCachedValue);
}
}
+
+ // don't cache decrypted values
+ if (dbcgs->pValue->type == DBVT_UTF8 || dbcgs->pValue->type == DBVT_ASCIIZ)
+ if (bEncrypted)
+ DecodeString(dbcgs->pValue->pszVal);
return 0;
}
NeedBytes(1);
@@ -181,8 +225,7 @@ int CDb3Base::GetContactSettingWorker(HANDLE hContact,DBCONTACTGETSETTING *dbcgs
} }
/**** add missing setting to cache **********************/
- if ( dbcgs->pValue->type != DBVT_BLOB )
- {
+ if ( dbcgs->pValue->type != DBVT_BLOB ) {
DBVARIANT* pCachedValue = m_cache->GetCachedValuePtr( hContact, szCachedSettingName, 1 );
if ( pCachedValue != NULL ) {
pCachedValue->type = DBVT_DELETED;
@@ -400,7 +443,7 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT
char* szCachedSettingName = m_cache->GetCachedSetting(tmp.szModule, tmp.szSetting, moduleNameLen, settingNameLen);
log3("set [%08p] %s (%p)", hContact, szCachedSettingName, szCachedSettingName);
- if ( tmp.value.type != DBVT_BLOB ) {
+ if (tmp.value.type != DBVT_BLOB && !isEncrypted(dbcws->szModule, dbcws->szSetting)) {
DBVARIANT *pCachedValue = m_cache->GetCachedValuePtr(hContact, szCachedSettingName, 1);
if ( pCachedValue != NULL ) {
bool bIsIdentical = false;
@@ -410,7 +453,7 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT
case DBVT_WORD: bIsIdentical = pCachedValue->wVal == tmp.value.wVal; break;
case DBVT_DWORD: bIsIdentical = pCachedValue->dVal == tmp.value.dVal; break;
case DBVT_UTF8:
- case DBVT_ASCIIZ: bIsIdentical = strcmp( pCachedValue->pszVal, tmp.value.pszVal ) == 0; break;
+ case DBVT_ASCIIZ: bIsIdentical = strcmp(pCachedValue->pszVal, tmp.value.pszVal) == 0; break;
}
if ( bIsIdentical )
return 0;
@@ -479,11 +522,10 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT
NeedBytes(3);
if (pBlob[0] != tmp.value.type || ((pBlob[0] == DBVT_ASCIIZ || pBlob[0] == DBVT_UTF8) && *(PWORD)(pBlob+1) != strlen(tmp.value.pszVal)) || (pBlob[0] == DBVT_BLOB && *(PWORD)(pBlob+1) != tmp.value.cpbVal)) {
//bin it
- int nameLen,valLen;
DWORD ofsSettingToCut;
NeedBytes(3);
- nameLen = 1+settingNameLen;
- valLen = 1+GetSettingValueLength(pBlob);
+ int nameLen = 1+settingNameLen;
+ int valLen = 1 + GetSettingValueLength(pBlob);
ofsSettingToCut = ofsBlobPtr-nameLen;
MoveAlong(valLen);
NeedBytes(1);
@@ -501,12 +543,16 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT
//replace existing setting at pBlob
MoveAlong(1); //skip data type
switch(tmp.value.type) {
- case DBVT_BYTE: DBWrite(ofsBlobPtr,&tmp.value.bVal,1); break;
- case DBVT_WORD: EncodeDBWrite(ofsBlobPtr,&tmp.value.wVal,2); break;
+ case DBVT_BYTE: DBWrite(ofsBlobPtr,&tmp.value.bVal,1); break;
+ case DBVT_WORD: EncodeDBWrite(ofsBlobPtr,&tmp.value.wVal,2); break;
case DBVT_DWORD: EncodeDBWrite(ofsBlobPtr,&tmp.value.dVal,4); break;
+ case DBVT_BLOB: EncodeDBWrite(ofsBlobPtr + 2, tmp.value.pbVal, tmp.value.cpbVal); break;
case DBVT_UTF8:
- case DBVT_ASCIIZ: EncodeDBWrite(ofsBlobPtr+2,tmp.value.pszVal,(int)strlen(tmp.value.pszVal)); break;
- case DBVT_BLOB: EncodeDBWrite(ofsBlobPtr+2,tmp.value.pbVal,tmp.value.cpbVal); break;
+ case DBVT_ASCIIZ:
+ if (isEncrypted(dbcws->szModule, dbcws->szSetting))
+ EncodeString(tmp.value.pszVal);
+ EncodeDBWrite(ofsBlobPtr+2,tmp.value.pszVal,(int)strlen(tmp.value.pszVal));
+ break;
}
//quit
DBFlush(1);
@@ -577,7 +623,10 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT
case DBVT_DWORD: EncodeDBWrite(ofsBlobPtr,&tmp.value.dVal,4); MoveAlong(4); break;
case DBVT_UTF8:
case DBVT_ASCIIZ:
- { int len = (int)strlen(tmp.value.pszVal);
+ {
+ int len = (int)strlen(tmp.value.pszVal);
+ if (isEncrypted(dbcws->szModule, dbcws->szSetting))
+ EncodeString(tmp.value.pszVal);
DBWrite(ofsBlobPtr,&len,2);
EncodeDBWrite(ofsBlobPtr+2,tmp.value.pszVal,len);
MoveAlong(2+len);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 08:36:12 +0000