diff options
Diffstat (limited to 'plugins/Db3x_mmap/src/dbsettings.cpp')
| -rw-r--r-- | plugins/Db3x_mmap/src/dbsettings.cpp | 205 |
1 files changed, 102 insertions, 103 deletions
diff --git a/plugins/Db3x_mmap/src/dbsettings.cpp b/plugins/Db3x_mmap/src/dbsettings.cpp index 254718fa9a..6598890072 100644 --- a/plugins/Db3x_mmap/src/dbsettings.cpp +++ b/plugins/Db3x_mmap/src/dbsettings.cpp @@ -26,15 +26,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. DWORD GetModuleNameOfs(const char *szName);
DBCachedContact* AddToCachedContactList(HANDLE hContact, int index);
-DWORD __forceinline GetSettingValueLength(PBYTE pSetting)
-{
- if (pSetting[0] & DBVTF_VARIABLELENGTH)
- return 2+*(PWORD)(pSetting+1);
- return pSetting[0];
-}
-
-#define NeedBytes(n) if (bytesRemaining<(n)) pBlob = (PBYTE)DBRead(ofsBlobPtr,(n),&bytesRemaining)
-#define MoveAlong(n) {int x = n; pBlob += (x); ofsBlobPtr += (x); bytesRemaining -= (x);}
#define VLT(n) ((n == DBVT_UTF8 || n == DBVT_ENCRYPTED)?DBVT_ASCIIZ:n)
bool isEncrypted(LPCSTR szModule, LPCSTR szSetting)
@@ -83,14 +74,13 @@ int CDb3Base::GetContactSettingWorker(HANDLE hContact, DBCONTACTGETSETTING *dbcg DBVARIANT *pCachedValue = m_cache->GetCachedValuePtr(hContact, szCachedSettingName, 0);
if (pCachedValue != NULL) {
if (pCachedValue->type == DBVT_ASCIIZ || pCachedValue->type == DBVT_UTF8) {
- bool bIsEncrypted = /*m_bEncrypted || */ ::isEncrypted(dbcgs->szModule, dbcgs->szSetting);
int cbOrigLen = dbcgs->pValue->cchVal;
char *cbOrigPtr = dbcgs->pValue->pszVal;
memcpy(dbcgs->pValue, pCachedValue, sizeof(DBVARIANT));
if (isStatic) {
int cbLen = 0;
- if ( pCachedValue->pszVal != NULL )
- cbLen = (int)strlen( pCachedValue->pszVal );
+ if (pCachedValue->pszVal != NULL)
+ cbLen = (int)strlen(pCachedValue->pszVal);
cbOrigLen--;
dbcgs->pValue->pszVal = cbOrigPtr;
@@ -101,11 +91,11 @@ int CDb3Base::GetContactSettingWorker(HANDLE hContact, DBCONTACTGETSETTING *dbcg dbcgs->pValue->cchVal = cbLen;
}
else {
- dbcgs->pValue->pszVal = (char*)mir_alloc(strlen(pCachedValue->pszVal)+1);
- strcpy(dbcgs->pValue->pszVal,pCachedValue->pszVal);
+ dbcgs->pValue->pszVal = (char*)mir_alloc(strlen(pCachedValue->pszVal) + 1);
+ strcpy(dbcgs->pValue->pszVal, pCachedValue->pszVal);
}
}
- else memcpy( dbcgs->pValue, pCachedValue, sizeof( DBVARIANT ));
+ else memcpy(dbcgs->pValue, pCachedValue, sizeof(DBVARIANT));
log2("get cached %s (%p)", printVariant(dbcgs->pValue), pCachedValue);
return (pCachedValue->type == DBVT_DELETED) ? 1 : 0;
@@ -386,45 +376,48 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT return 1;
}
- DBCONTACTWRITESETTING tmp = *dbcws;
- if (tmp.value.type == DBVT_WCHAR) {
- if (tmp.value.pszVal != NULL) {
- char* val = mir_utf8encodeW(tmp.value.pwszVal);
+ // used for notifications
+ DBCONTACTWRITESETTING dbcwNotif = *dbcws;
+ if (dbcwNotif.value.type == DBVT_WCHAR) {
+ if (dbcwNotif.value.pszVal != NULL) {
+ char* val = mir_utf8encodeW(dbcwNotif.value.pwszVal);
if (val == NULL)
return 1;
- tmp.value.pszVal = (char*)alloca(strlen(val) + 1);
- strcpy(tmp.value.pszVal, val);
+ dbcwNotif.value.pszVal = (char*)alloca(strlen(val) + 1);
+ strcpy(dbcwNotif.value.pszVal, val);
mir_free(val);
- tmp.value.type = DBVT_UTF8;
+ dbcwNotif.value.type = DBVT_UTF8;
}
else return 1;
}
- if (tmp.szModule == NULL || tmp.szSetting == NULL)
+ if (dbcwNotif.szModule == NULL || dbcwNotif.szSetting == NULL)
return 1;
+ DBCONTACTWRITESETTING dbcwWork = dbcwNotif;
+
mir_ptr<BYTE> pEncoded(NULL);
bool bIsEncrypted = false;
- switch (tmp.value.type) {
+ switch (dbcwWork.value.type) {
case DBVT_BYTE: case DBVT_WORD: case DBVT_DWORD:
break;
case DBVT_ASCIIZ: case DBVT_UTF8:
- if (tmp.value.pszVal == NULL) return 1;
- tmp.value.cchVal = (WORD)strlen(tmp.value.pszVal);
- bIsEncrypted = /*m_bEncrypted ||*/ ::isEncrypted(dbcws->szModule, dbcws->szSetting);
+ if (dbcwWork.value.pszVal == NULL) return 1;
+ dbcwWork.value.cchVal = (WORD)strlen(dbcwWork.value.pszVal);
+ bIsEncrypted = m_bEncrypted || ::isEncrypted(dbcws->szModule, dbcws->szSetting);
if (bIsEncrypted) {
size_t len;
- BYTE *pResult = m_crypto->encodeString(tmp.value.pszVal, &len);
+ BYTE *pResult = m_crypto->encodeString(dbcwWork.value.pszVal, &len);
if (pResult != NULL) {
- pEncoded = tmp.value.pbVal = pResult;
- tmp.value.cpbVal = (WORD)len;
- tmp.value.type = DBVT_ENCRYPTED;
+ pEncoded = dbcwWork.value.pbVal = pResult;
+ dbcwWork.value.cpbVal = (WORD)len;
+ dbcwWork.value.type = DBVT_ENCRYPTED;
}
}
break;
case DBVT_BLOB: case DBVT_ENCRYPTED:
- if (tmp.value.pbVal == NULL) return 1;
+ if (dbcwWork.value.pbVal == NULL) return 1;
break;
default:
return 1;
@@ -432,58 +425,59 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT mir_cslockfull lck(m_csDbAccess);
- char *szCachedSettingName = m_cache->GetCachedSetting(tmp.szModule, tmp.szSetting, moduleNameLen, settingNameLen);
+ char *szCachedSettingName = m_cache->GetCachedSetting(dbcwWork.szModule, dbcwWork.szSetting, moduleNameLen, settingNameLen);
log3("set [%08p] %s (%p)", hContact, szCachedSettingName, szCachedSettingName);
- if (tmp.value.type != DBVT_BLOB && tmp.value.type != DBVT_ENCRYPTED && !bIsEncrypted) {
+ // we don't cache blobs and passwords
+ if (dbcwWork.value.type != DBVT_BLOB && dbcwWork.value.type != DBVT_ENCRYPTED && !bIsEncrypted) {
DBVARIANT *pCachedValue = m_cache->GetCachedValuePtr(hContact, szCachedSettingName, 1);
if (pCachedValue != NULL) {
bool bIsIdentical = false;
- if (pCachedValue->type == tmp.value.type) {
- switch (tmp.value.type) {
- case DBVT_BYTE: bIsIdentical = pCachedValue->bVal == tmp.value.bVal; break;
- case DBVT_WORD: bIsIdentical = pCachedValue->wVal == tmp.value.wVal; break;
- case DBVT_DWORD: bIsIdentical = pCachedValue->dVal == tmp.value.dVal; break;
+ if (pCachedValue->type == dbcwWork.value.type) {
+ switch (dbcwWork.value.type) {
+ case DBVT_BYTE: bIsIdentical = pCachedValue->bVal == dbcwWork.value.bVal; break;
+ case DBVT_WORD: bIsIdentical = pCachedValue->wVal == dbcwWork.value.wVal; break;
+ case DBVT_DWORD: bIsIdentical = pCachedValue->dVal == dbcwWork.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, dbcwWork.value.pszVal) == 0; break;
}
if (bIsIdentical)
return 0;
}
- m_cache->SetCachedVariant(&tmp.value, pCachedValue);
+ m_cache->SetCachedVariant(&dbcwWork.value, pCachedValue);
}
if (szCachedSettingName[-1] != 0) {
lck.unlock();
- log2(" set resident as %s (%p)", printVariant(&tmp.value), pCachedValue);
- NotifyEventHooks(hSettingChangeEvent, (WPARAM)hContact, (LPARAM)&tmp);
+ log2(" set resident as %s (%p)", printVariant(&dbcwWork.value), pCachedValue);
+ NotifyEventHooks(hSettingChangeEvent, (WPARAM)hContact, (LPARAM)&dbcwWork);
return 0;
}
}
else m_cache->GetCachedValuePtr(hContact, szCachedSettingName, -1);
- log1(" write database as %s", printVariant(&tmp.value));
+ log1(" write database as %s", printVariant(&dbcwWork.value));
- DWORD ofsModuleName = GetModuleNameOfs(tmp.szModule);
+ DWORD ofsModuleName = GetModuleNameOfs(dbcwWork.szModule);
DWORD ofsBlobPtr, ofsContact = (hContact == 0) ? m_dbHeader.ofsUser : (DWORD)hContact;
DBContact dbc = *(DBContact*)DBRead(ofsContact, sizeof(DBContact), NULL);
if (dbc.signature != DBCONTACT_SIGNATURE)
return 1;
- //make sure the module group exists
+ // make sure the module group exists
PBYTE pBlob;
int bytesRequired, bytesRemaining;
DBContactSettings dbcs;
DWORD ofsSettingsGroup = GetSettingsGroupOfsByModuleNameOfs(&dbc, ofsContact, ofsModuleName);
if (ofsSettingsGroup == 0) { //module group didn't exist - make it
- switch (tmp.value.type) {
+ switch (dbcwWork.value.type) {
case DBVT_ASCIIZ: case DBVT_UTF8:
- bytesRequired = tmp.value.cchVal + 2;
+ bytesRequired = dbcwWork.value.cchVal + 2;
break;
case DBVT_BLOB: case DBVT_ENCRYPTED:
- bytesRequired = tmp.value.cpbVal + 2;
+ bytesRequired = dbcwWork.value.cpbVal + 2;
break;
default:
- bytesRequired = tmp.value.type;
+ bytesRequired = dbcwWork.value.type;
}
bytesRequired += 2 + settingNameLen;
bytesRequired += (DB_SETTINGS_RESIZE_GRANULARITY - (bytesRequired % DB_SETTINGS_RESIZE_GRANULARITY)) % DB_SETTINGS_RESIZE_GRANULARITY;
@@ -501,12 +495,13 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT }
else {
dbcs = *(DBContactSettings*)DBRead(ofsSettingsGroup, sizeof(DBContactSettings), &bytesRemaining);
- //find if the setting exists
+
+ // find if the setting exists
ofsBlobPtr = ofsSettingsGroup + offsetof(DBContactSettings, blob);
pBlob = (PBYTE)DBRead(ofsBlobPtr, 1, &bytesRemaining);
while (pBlob[0]) {
NeedBytes(settingNameLen + 1);
- if (pBlob[0] == settingNameLen && !memcmp(pBlob + 1, tmp.szSetting, settingNameLen))
+ if (pBlob[0] == settingNameLen && !memcmp(pBlob + 1, dbcwWork.szSetting, settingNameLen))
break;
NeedBytes(1);
MoveAlong(pBlob[0] + 1);
@@ -514,15 +509,17 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT MoveAlong(1 + GetSettingValueLength(pBlob));
NeedBytes(1);
}
- if (pBlob[0]) { //setting already existed, and up to end of name is in cache
+
+ // setting already existed, and up to end of name is in cache
+ if (pBlob[0]) {
MoveAlong(1 + settingNameLen);
- //if different type or variable length and length is different
+ // if different type or variable length and length is different
NeedBytes(3);
- if (pBlob[0] != tmp.value.type ||
- ((pBlob[0] == DBVT_ASCIIZ || pBlob[0] == DBVT_UTF8) && *(PWORD)(pBlob + 1) != tmp.value.cchVal) ||
- ((pBlob[0] == DBVT_BLOB || pBlob[0] == DBVT_ENCRYPTED) && *(PWORD)(pBlob + 1) != tmp.value.cpbVal))
+ if (pBlob[0] != dbcwWork.value.type ||
+ ((pBlob[0] == DBVT_ASCIIZ || pBlob[0] == DBVT_UTF8) && *(PWORD)(pBlob + 1) != dbcwWork.value.cchVal) ||
+ ((pBlob[0] == DBVT_BLOB || pBlob[0] == DBVT_ENCRYPTED) && *(PWORD)(pBlob + 1) != dbcwWork.value.cpbVal))
{
- //bin it
+ // bin it
NeedBytes(3);
int nameLen = 1 + settingNameLen;
int valLen = 1 + GetSettingValueLength(pBlob);
@@ -540,57 +537,58 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT pBlob = (PBYTE)DBRead(ofsBlobPtr, 1, &bytesRemaining);
}
else {
- //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_DWORD: EncodeDBWrite(ofsBlobPtr, &tmp.value.dVal, 4); break;
+ // replace existing setting at pBlob
+ MoveAlong(1); // skip data type
+ switch (dbcwWork.value.type) {
+ case DBVT_BYTE: DBWrite(ofsBlobPtr, &dbcwWork.value.bVal, 1); break;
+ case DBVT_WORD: EncodeDBWrite(ofsBlobPtr, &dbcwWork.value.wVal, 2); break;
+ case DBVT_DWORD: EncodeDBWrite(ofsBlobPtr, &dbcwWork.value.dVal, 4); break;
case DBVT_BLOB:
- EncodeDBWrite(ofsBlobPtr + 2, tmp.value.pbVal, tmp.value.cpbVal);
+ EncodeDBWrite(ofsBlobPtr + 2, dbcwWork.value.pbVal, dbcwWork.value.cpbVal);
break;
case DBVT_ENCRYPTED:
- DBWrite(ofsBlobPtr + 2, tmp.value.pbVal, tmp.value.cpbVal);
+ DBWrite(ofsBlobPtr + 2, dbcwWork.value.pbVal, dbcwWork.value.cpbVal);
break;
case DBVT_UTF8:
case DBVT_ASCIIZ:
- EncodeDBWrite(ofsBlobPtr + 2, tmp.value.pszVal, tmp.value.cchVal);
+ EncodeDBWrite(ofsBlobPtr + 2, dbcwWork.value.pszVal, dbcwWork.value.cchVal);
break;
}
- //quit
+ // quit
DBFlush(1);
lck.unlock();
- //notify
- NotifyEventHooks(hSettingChangeEvent, (WPARAM)hContact, (LPARAM)&tmp);
+ // notify
+ NotifyEventHooks(hSettingChangeEvent, (WPARAM)hContact, (LPARAM)&dbcwNotif);
return 0;
}
}
}
- //cannot do a simple replace, add setting to end of list
- //pBlob already points to end of list
- //see if it fits
- switch (tmp.value.type) {
+
+ // cannot do a simple replace, add setting to end of list
+ // pBlob already points to end of list
+ // see if it fits
+ switch (dbcwWork.value.type) {
case DBVT_ASCIIZ: case DBVT_UTF8:
- bytesRequired = tmp.value.cchVal + 2;
+ bytesRequired = dbcwWork.value.cchVal + 2;
break;
case DBVT_BLOB: case DBVT_ENCRYPTED:
- bytesRequired = tmp.value.cpbVal + 2;
+ bytesRequired = dbcwWork.value.cpbVal + 2;
break;
default:
- bytesRequired = tmp.value.type;
+ bytesRequired = dbcwWork.value.type;
}
bytesRequired += 2 + settingNameLen;
bytesRequired += ofsBlobPtr + 1 - (ofsSettingsGroup + offsetof(DBContactSettings, blob));
if ((DWORD)bytesRequired > dbcs.cbBlob) {
- //doesn't fit: move entire group
+ // doesn't fit: move entire group
DBContactSettings *dbcsPrev;
DWORD ofsDbcsPrev, ofsNew;
InvalidateSettingsGroupOfsCacheEntry(ofsSettingsGroup);
bytesRequired += (DB_SETTINGS_RESIZE_GRANULARITY - (bytesRequired % DB_SETTINGS_RESIZE_GRANULARITY)) % DB_SETTINGS_RESIZE_GRANULARITY;
- //find previous group to change its offset
+ // find previous group to change its offset
ofsDbcsPrev = dbc.ofsFirstSettings;
if (ofsDbcsPrev == ofsSettingsGroup) ofsDbcsPrev = 0;
else {
@@ -602,7 +600,7 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT }
}
- //create the new one
+ // create the new one
ofsNew = ReallocSpace(ofsSettingsGroup, dbcs.cbBlob + offsetof(DBContactSettings, blob), bytesRequired + offsetof(DBContactSettings, blob));
dbcs.cbBlob = bytesRequired;
@@ -621,45 +619,46 @@ STDMETHODIMP_(BOOL) CDb3Base::WriteContactSetting(HANDLE hContact, DBCONTACTWRIT ofsSettingsGroup = ofsNew;
pBlob = (PBYTE)DBRead(ofsBlobPtr, 1, &bytesRemaining);
}
- //we now have a place to put it and enough space: make it
+
+ // we now have a place to put it and enough space: make it
DBWrite(ofsBlobPtr, &settingNameLen, 1);
- DBWrite(ofsBlobPtr + 1, (PVOID)tmp.szSetting, settingNameLen);
+ DBWrite(ofsBlobPtr + 1, (PVOID)dbcwWork.szSetting, settingNameLen);
MoveAlong(1 + settingNameLen);
- DBWrite(ofsBlobPtr, &tmp.value.type, 1);
+ DBWrite(ofsBlobPtr, &dbcwWork.value.type, 1);
MoveAlong(1);
- switch (tmp.value.type) {
- case DBVT_BYTE: DBWrite(ofsBlobPtr, &tmp.value.bVal, 1); MoveAlong(1); break;
- case DBVT_WORD: EncodeDBWrite(ofsBlobPtr, &tmp.value.wVal, 2); MoveAlong(2); break;
- case DBVT_DWORD: EncodeDBWrite(ofsBlobPtr, &tmp.value.dVal, 4); MoveAlong(4); break;
+ switch (dbcwWork.value.type) {
+ case DBVT_BYTE: DBWrite(ofsBlobPtr, &dbcwWork.value.bVal, 1); MoveAlong(1); break;
+ case DBVT_WORD: EncodeDBWrite(ofsBlobPtr, &dbcwWork.value.wVal, 2); MoveAlong(2); break;
+ case DBVT_DWORD: EncodeDBWrite(ofsBlobPtr, &dbcwWork.value.dVal, 4); MoveAlong(4); break;
case DBVT_BLOB:
- DBWrite(ofsBlobPtr, &tmp.value.cpbVal, 2);
- EncodeDBWrite(ofsBlobPtr + 2, tmp.value.pbVal, tmp.value.cpbVal);
- MoveAlong(2 + tmp.value.cpbVal);
+ DBWrite(ofsBlobPtr, &dbcwWork.value.cpbVal, 2);
+ EncodeDBWrite(ofsBlobPtr + 2, dbcwWork.value.pbVal, dbcwWork.value.cpbVal);
+ MoveAlong(2 + dbcwWork.value.cpbVal);
break;
case DBVT_ENCRYPTED:
- DBWrite(ofsBlobPtr, &tmp.value.cpbVal, 2);
- DBWrite(ofsBlobPtr + 2, tmp.value.pbVal, tmp.value.cpbVal);
- MoveAlong(2 + tmp.value.cpbVal);
+ DBWrite(ofsBlobPtr, &dbcwWork.value.cpbVal, 2);
+ DBWrite(ofsBlobPtr + 2, dbcwWork.value.pbVal, dbcwWork.value.cpbVal);
+ MoveAlong(2 + dbcwWork.value.cpbVal);
break;
case DBVT_UTF8: case DBVT_ASCIIZ:
- DBWrite(ofsBlobPtr, &tmp.value.cchVal, 2);
- EncodeDBWrite(ofsBlobPtr + 2, tmp.value.pszVal, tmp.value.cchVal);
- MoveAlong(2 + tmp.value.cchVal);
+ DBWrite(ofsBlobPtr, &dbcwWork.value.cchVal, 2);
+ EncodeDBWrite(ofsBlobPtr + 2, dbcwWork.value.pszVal, dbcwWork.value.cchVal);
+ MoveAlong(2 + dbcwWork.value.cchVal);
break;
}
BYTE zero = 0;
DBWrite(ofsBlobPtr, &zero, 1);
- //quit
+ // quit
DBFlush(1);
lck.unlock();
- //notify
- NotifyEventHooks(hSettingChangeEvent, (WPARAM)hContact, (LPARAM)&tmp);
+ // notify
+ NotifyEventHooks(hSettingChangeEvent, (WPARAM)hContact, (LPARAM)&dbcwNotif);
return 0;
}
@@ -696,12 +695,12 @@ STDMETHODIMP_(BOOL) CDb3Base::DeleteContactSetting(HANDLE hContact, DBCONTACTGET if (dbc->signature != DBCONTACT_SIGNATURE)
return 1;
- //make sure the module group exists
+ // make sure the module group exists
DWORD ofsSettingsGroup = GetSettingsGroupOfsByModuleNameOfs(dbc, (DWORD)hContact, ofsModuleName);
if (ofsSettingsGroup == 0)
return 1;
- //find if the setting exists
+ // find if the setting exists
DWORD ofsBlobPtr = ofsSettingsGroup + offsetof(DBContactSettings, blob);
int bytesRemaining;
PBYTE pBlob = (PBYTE)DBRead(ofsBlobPtr, 1, &bytesRemaining);
@@ -718,7 +717,7 @@ STDMETHODIMP_(BOOL) CDb3Base::DeleteContactSetting(HANDLE hContact, DBCONTACTGET if (!pBlob[0]) //setting didn't exist
return 1;
- //bin it
+ // bin it
MoveAlong(1 + settingNameLen);
NeedBytes(3);
int nameLen = 1 + settingNameLen;
@@ -738,7 +737,7 @@ STDMETHODIMP_(BOOL) CDb3Base::DeleteContactSetting(HANDLE hContact, DBCONTACTGET m_cache->GetCachedValuePtr((HANDLE)saveWparam, szCachedSettingName, -1);
- //notify
+ // notify
DBCONTACTWRITESETTING dbcws = { 0 };
dbcws.szModule = dbcgs->szModule;
dbcws.szSetting = dbcgs->szSetting;
|