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authorGeorge Hazan <george.hazan@gmail.com>2012-07-27 20:48:10 +0000
committerGeorge Hazan <george.hazan@gmail.com>2012-07-27 20:48:10 +0000
commitc0b6677b36a9bc84c1fac3e057d68915a077b7bf (patch)
tree310d2ef2d99c9f42eb92da1bca76d3627e744852
parent0f542832f1602942369e1e5e427154116de6ae28 (diff)
don't treat binary junk as utf string
git-svn-id: http://svn.miranda-ng.org/main/trunk@1219 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
-rw-r--r--plugins/Db3x_mmap/src/dbtool/eventchain.cpp53
1 files changed, 33 insertions, 20 deletions
diff --git a/plugins/Db3x_mmap/src/dbtool/eventchain.cpp b/plugins/Db3x_mmap/src/dbtool/eventchain.cpp
index 60ad3e249e..1811d8ee9e 100644
--- a/plugins/Db3x_mmap/src/dbtool/eventchain.cpp
+++ b/plugins/Db3x_mmap/src/dbtool/eventchain.cpp
@@ -42,7 +42,9 @@ void CDb3Base::ConvertOldEvent(DBEvent*& dbei)
if (p[i] == 0) {
msglenW = i;
break;
- } } }
+ }
+ }
+ }
else {
if (!Utf8CheckString((char*)dbei->blob))
dbei->flags &= ~DBEF_UTF;
@@ -50,12 +52,15 @@ void CDb3Base::ConvertOldEvent(DBEvent*& dbei)
if (msglenW > 0 && msglenW <= msglen) {
char* utf8str = Utf8EncodeW((WCHAR*)&dbei->blob[ msglen ]);
+ if (utf8str == NULL)
+ return;
+
dbei->cbBlob = (DWORD)strlen(utf8str)+1;
dbei->flags |= DBEF_UTF;
if (offsetof(DBEvent,blob)+dbei->cbBlob > memsize) {
memsize = offsetof(DBEvent,blob)+dbei->cbBlob;
memblock = (DBEvent*)realloc(memblock, memsize);
- dbei = memblock;
+ dbei = memblock;
}
memcpy(&dbei->blob, utf8str, dbei->cbBlob);
mir_free(utf8str);
@@ -132,15 +137,14 @@ int CDb3Base::WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime)
FinishUp(ofsDestPrevEvent,dbc);
return ERROR_NO_MORE_ITEMS;
}
- if (!SignatureValid(ofsThisEvent,DBEVENT_SIGNATURE))
- {
+
+ if ( !SignatureValid(ofsThisEvent,DBEVENT_SIGNATURE)) {
DWORD ofsNew = 0;
DWORD ofsTmp = dbc->ofsLastEvent;
if (!backLookup && ofsTmp) {
backLookup = 1;
- while(SignatureValid(ofsTmp,DBEVENT_SIGNATURE))
- {
+ while ( SignatureValid(ofsTmp,DBEVENT_SIGNATURE)) {
if (PeekSegment(ofsTmp,&dbeOld,sizeof(dbeOld)) != ERROR_SUCCESS)
break;
ofsNew = ofsTmp;
@@ -150,7 +154,8 @@ int CDb3Base::WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime)
if (ofsNew) {
cb->pfnAddLogMessage(STATUS_WARNING,TranslateT("Event chain corrupted, trying to recover..."));
ofsThisEvent = ofsNew;
- } else {
+ }
+ else {
cb->pfnAddLogMessage(STATUS_ERROR,TranslateT("Event chain corrupted, further entries ignored"));
FinishUp(ofsDestPrevEvent,dbc);
return ERROR_NO_MORE_ITEMS;
@@ -165,30 +170,30 @@ int CDb3Base::WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime)
if (firstTime) {
if (!(dbeOld.flags&DBEF_FIRST)) {
cb->pfnAddLogMessage(STATUS_WARNING,TranslateT("First event not marked as such: correcting"));
- dbeOld.flags|=DBEF_FIRST;
+ dbeOld.flags |= DBEF_FIRST;
}
dbeOld.ofsPrev = ofsContact;
lastTimestamp = dbeOld.timestamp;
}
else if (dbeOld.flags&DBEF_FIRST) {
cb->pfnAddLogMessage(STATUS_WARNING,TranslateT("Event marked as first which is not: correcting"));
- dbeOld.flags&=~DBEF_FIRST;
+ dbeOld.flags &= ~DBEF_FIRST;
}
- if (dbeOld.flags&~(DBEF_FIRST|DBEF_READ|DBEF_SENT|DBEF_RTL|DBEF_UTF)) {
+ if (dbeOld.flags & ~(DBEF_FIRST | DBEF_READ | DBEF_SENT | DBEF_RTL | DBEF_UTF)) {
cb->pfnAddLogMessage(STATUS_WARNING,TranslateT("Extra flags found in event: removing"));
- dbeOld.flags&=(DBEF_FIRST|DBEF_READ|DBEF_SENT|DBEF_RTL|DBEF_UTF);
+ dbeOld.flags &= (DBEF_FIRST | DBEF_READ | DBEF_SENT | DBEF_RTL | DBEF_UTF);
}
- if (!(dbeOld.flags&(DBEF_READ|DBEF_SENT))) {
- if (cb->bMarkRead) dbeOld.flags|=DBEF_READ;
+ if (!(dbeOld.flags & (DBEF_READ | DBEF_SENT))) {
+ if (cb->bMarkRead) dbeOld.flags |= DBEF_READ;
else if (ofsFirstUnread == 0) {
if (dbc->ofsFirstUnreadEvent != ofsThisEvent || dbc->timestampFirstUnread != dbeOld.timestamp)
cb->pfnAddLogMessage(STATUS_WARNING,TranslateT("First unread event marked wrong: fixing"));
isUnread = 1;
} }
- if (dbeOld.cbBlob>1024*1024 || dbeOld.cbBlob == 0) {
+ if (dbeOld.cbBlob > 1024*1024 || dbeOld.cbBlob == 0) {
cb->pfnAddLogMessage(STATUS_ERROR,TranslateT("Infeasibly large event blob: skipping"));
ofsThisEvent = dbeOld.ofsNext;
return ERROR_SUCCESS;
@@ -223,11 +228,19 @@ int CDb3Base::WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime)
dbeNew->ofsPrev = ofsDestPrevEvent;
dbeNew->ofsNext = 0;
- if (dbeOld.eventType == EVENTTYPE_MESSAGE && cb->bConvertUtf)
+ if (dbeOld.eventType == EVENTTYPE_MESSAGE && cb->bConvertUtf) {
+ DWORD oldSize = dbeNew->cbBlob;
+ BYTE* pOldMemo = (BYTE*)_alloca(dbeNew->cbBlob);
+ memcpy(pOldMemo, dbeNew->blob, dbeNew->cbBlob);
+ DecodeCopyMemory(dbeNew->blob, pOldMemo, dbeNew->cbBlob);
ConvertOldEvent(dbeNew);
+ if (dbeNew->cbBlob > oldSize)
+ pOldMemo = (BYTE*)_alloca(dbeNew->cbBlob);
+ memcpy(pOldMemo, dbeNew->blob, dbeNew->cbBlob);
+ EncodeCopyMemory(dbeNew->blob, pOldMemo, dbeNew->cbBlob);
+ }
- if (dbePrev)
- {
+ if (dbePrev) {
if (dbePrev->cbBlob == dbeNew->cbBlob &&
dbePrev->ofsModuleName == dbeNew->ofsModuleName &&
dbePrev->eventType == dbeNew->eventType &&
@@ -247,7 +260,7 @@ int CDb3Base::WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime)
}
else if (!firstTime && dbeNew->timestamp < lastTimestamp)
{
- DWORD found = 0;
+ DWORD found = 0;
DBEvent dbeTmp;
DWORD ofsTmp;
@@ -294,7 +307,7 @@ int CDb3Base::WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime)
// insert before FIRST
if (found == 1 && !cb->bCheckOnly) {
- dbeNew->flags|=DBEF_FIRST;
+ dbeNew->flags |= DBEF_FIRST;
dbeNew->ofsPrev = ofsContact;
dbeNew->ofsNext = dbc->ofsFirstEvent;
@@ -310,7 +323,7 @@ int CDb3Base::WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime)
WriteOfsNextToPrevious(0,dbc,ofsDestThis);
// fix next event
WriteSegment(dbeNew->ofsNext+offsetof(DBEvent,ofsPrev),&ofsDestThis,sizeof(DWORD));
- dbeTmp.flags &=~DBEF_FIRST;
+ dbeTmp.flags &= ~DBEF_FIRST;
WriteSegment(dbeNew->ofsNext+offsetof(DBEvent,flags),&dbeTmp.flags,sizeof(DWORD));
}
else if (found == 2 && !cb->bCheckOnly) {