added consistency check in meta data in publishGroup() and updateGroup() in order to avoid bad data supplied from GXS services

This commit is contained in:
csoler 2017-01-19 11:12:37 +01:00
parent d2dc632176
commit 06265f2b54
6 changed files with 106 additions and 21 deletions

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@ -1554,15 +1554,88 @@ void RsGenExchange::notifyChangedGroupStats(const RsGxsGroupId &grpId)
mNotifications.push_back(gc);
}
bool RsGenExchange::checkGroupMetaConsistency(const RsGroupMetaData& meta)
{
std::cerr << "Checking group consistency:" << std::endl;
if(meta.mGroupName.empty())
{
std::cerr << "(EE) cannot create a group with no name." << std::endl;
return false;
}
if(meta.mGroupFlags != GXS_SERV::FLAG_PRIVACY_PUBLIC && meta.mGroupFlags != GXS_SERV::FLAG_PRIVACY_RESTRICTED && meta.mGroupFlags != GXS_SERV::FLAG_PRIVACY_PRIVATE)
{
std::cerr << "(EE) mGroupFlags has incorrect value " << std::hex << meta.mGroupFlags << std::dec << ". A value among GXS_SERV::FLAG_PRIVACY_{PUBLIC,RESTRICTED,PRIVATE} is expected." << std::endl;
return false ;
}
if(meta.mCircleType < GXS_CIRCLE_TYPE_PUBLIC || meta.mCircleType > GXS_CIRCLE_TYPE_YOUR_EYES_ONLY)
{
std::cerr << "(EE) mCircleType has incorrect value " << std::hex << meta.mCircleType << std::dec << ". A single value among GXS_CIRCLE_TYPE_{PUBLIC,EXTERNAL,YOUR_FRIENDS_ONLY,LOCAL,EXT_SELF,YOUR_EYES_ONLY} is expected." << std::endl;
return false ;
}
if(meta.mCircleType == GXS_CIRCLE_TYPE_EXTERNAL)
{
if(!meta.mInternalCircle.isNull())
{
std::cerr << "(EE) Group circle type is EXTERNAL, but an internal circle ID " << meta.mInternalCircle << " was supplied. This is an error." << std::endl;
return false ;
}
if(meta.mCircleId.isNull())
{
std::cerr << "(EE) Group circle type is EXTERNAL, but no external circle ID was supplied. meta.mCircleId is indeed empty. This is an error." << std::endl;
return false ;
}
}
if(meta.mCircleType == GXS_CIRCLE_TYPE_YOUR_FRIENDS_ONLY)
{
if(!meta.mCircleId.isNull())
{
std::cerr << "(EE) Group circle type is YOUR_FRIENDS_ONLY, but an external circle ID " << meta.mCircleId << " was supplied. This is an error." << std::endl;
return false ;
}
if(meta.mInternalCircle.isNull())
{
std::cerr << "(EE) Group circle type is YOUR_FRIENDS_ONLY, but no internal circle ID was supplied. meta.mInternalCircle is indeed empty. This is an error." << std::endl;
return false ;
}
}
if(meta.mCircleType == GXS_CIRCLE_TYPE_EXT_SELF)
{
if(!meta.mCircleId.isNull())
{
std::cerr << "(EE) Group circle type is EXT_SELF, but an external circle ID " << meta.mCircleId << " was supplied. This is an error." << std::endl;
return false ;
}
if(!meta.mInternalCircle.isNull())
{
std::cerr << "(EE) Group circle type is EXT_SELF, but an internal circle ID " << meta.mInternalCircle << " was supplied. This is an error." << std::endl;
return false ;
}
}
std::cerr << "Group is clean." << std::endl;
return true ;
}
void RsGenExchange::publishGroup(uint32_t& token, RsGxsGrpItem *grpItem)
{
if(!checkGroupMetaConsistency(grpItem->meta))
{
std::cerr << "(EE) Cannot publish group. Some information was not supplied." << std::endl;
return ;
}
RS_STACK_MUTEX(mGenMtx) ;
token = mDataAccess->generatePublicToken();
GxsGrpPendingSign ggps(grpItem, token);
mGrpsToPublish.push_back(ggps);
#ifdef GEN_EXCH_DEBUG
#ifdef GEN_EXCH_DEBUG
std::cerr << "RsGenExchange::publishGroup() token: " << token;
std::cerr << std::endl;
#endif
@ -1572,6 +1645,12 @@ void RsGenExchange::publishGroup(uint32_t& token, RsGxsGrpItem *grpItem)
void RsGenExchange::updateGroup(uint32_t& token, RsGxsGrpItem* grpItem)
{
if(!checkGroupMetaConsistency(grpItem->meta))
{
std::cerr << "(EE) Cannot update group. Some information was not supplied." << std::endl;
return ;
}
RS_STACK_MUTEX(mGenMtx) ;
token = mDataAccess->generatePublicToken();
mGroupUpdatePublish.push_back(GroupUpdatePublish(grpItem, token));

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@ -689,6 +689,8 @@ private:
void publishMsgs();
bool checkGroupMetaConsistency(const RsGroupMetaData& meta);
/*!
* processes msg local meta changes
*/

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@ -3890,16 +3890,14 @@ bool RsGxsNetService::canSendGrpId(const RsPeerId& sslId, RsGxsGrpMetaData& grpM
#endif
return false;
}
if(circleType == GXS_CIRCLE_TYPE_PUBLIC)
else if(circleType == GXS_CIRCLE_TYPE_PUBLIC || circleType == GXS_CIRCLE_TYPE_UNKNOWN) // this complies with the fact that p3IdService does not initialise the circle type.
{
#ifdef NXS_NET_DEBUG_4
GXSNETDEBUG_PG(sslId,grpMeta.mGroupId)<< " PUBLIC_CIRCLE, can send"<< std::endl;
#endif
return true;
}
if(circleType == GXS_CIRCLE_TYPE_EXTERNAL)
else if(circleType == GXS_CIRCLE_TYPE_EXTERNAL)
{
#ifdef NXS_NET_DEBUG_4
GXSNETDEBUG_PG(sslId,grpMeta.mGroupId)<< " EXTERNAL_CIRCLE, will be sent encrypted."<< std::endl;
@ -3907,8 +3905,7 @@ bool RsGxsNetService::canSendGrpId(const RsPeerId& sslId, RsGxsGrpMetaData& grpM
should_encrypt = true ;
return true ;
}
if(circleType == GXS_CIRCLE_TYPE_YOUR_FRIENDS_ONLY)
else if(circleType == GXS_CIRCLE_TYPE_YOUR_FRIENDS_ONLY)
{
#ifdef NXS_NET_DEBUG_4
GXSNETDEBUG_PG(sslId,grpMeta.mGroupId) << " YOUREYESONLY, checking further" << std::endl;
@ -3922,8 +3919,11 @@ bool RsGxsNetService::canSendGrpId(const RsPeerId& sslId, RsGxsGrpMetaData& grpM
GXSNETDEBUG_PG(sslId,grpMeta.mGroupId)<< " YOUREYESONLY, checking further"<< std::endl;
#endif
}
return true;
else
{
std::cerr << "(EE) unknown value found in circle type for group " << grpMeta.mGroupId << ": " << (int)circleType << ": this is probably a bug in the design of the group creation." << std::endl;
return false;
}
}
bool RsGxsNetService::checkCanRecvMsgFromPeer(const RsPeerId& sslId, const RsGxsGrpMetaData& grpMeta, RsGxsCircleId& should_encrypt_id)
@ -4281,19 +4281,16 @@ bool RsGxsNetService::canSendMsgIds(std::vector<RsGxsMsgMetaData*>& msgMetas, co
#endif
return false;
}
if(circleType == GXS_CIRCLE_TYPE_PUBLIC)
else if(circleType == GXS_CIRCLE_TYPE_PUBLIC || circleType == GXS_CIRCLE_TYPE_UNKNOWN) // this complies with the fact that p3IdService does not initialise the circle type.
{
#ifdef NXS_NET_DEBUG_4
GXSNETDEBUG_PG(sslId,grpMeta.mGroupId) << " Circle type: PUBLIC => returning true" << std::endl;
#endif
return true;
}
const RsGxsCircleId& circleId = grpMeta.mCircleId;
if(circleType == GXS_CIRCLE_TYPE_EXTERNAL)
else if(circleType == GXS_CIRCLE_TYPE_EXTERNAL)
{
const RsGxsCircleId& circleId = grpMeta.mCircleId;
#ifdef NXS_NET_DEBUG_4
GXSNETDEBUG_PG(sslId,grpMeta.mGroupId) << " Circle type: EXTERNAL => returning true. Msgs ids list will be encrypted." << std::endl;
#endif
@ -4338,8 +4335,7 @@ bool RsGxsNetService::canSendMsgIds(std::vector<RsGxsMsgMetaData*>& msgMetas, co
return true ;
}
if(circleType == GXS_CIRCLE_TYPE_YOUR_FRIENDS_ONLY)
else if(circleType == GXS_CIRCLE_TYPE_YOUR_FRIENDS_ONLY)
{
#ifdef NXS_NET_DEBUG_4
GXSNETDEBUG_PG(sslId,grpMeta.mGroupId) << " YOUREYESONLY, checking further" << std::endl;
@ -4350,8 +4346,11 @@ bool RsGxsNetService::canSendMsgIds(std::vector<RsGxsMsgMetaData*>& msgMetas, co
#endif
return res ;
}
return false;
else
{
std::cerr << "(EE) unknown value found in circle type for group " << grpMeta.mGroupId << ": " << (int)circleType << ": this is probably a bug in the design of the group creation." << std::endl;
return false;
}
}
/** inherited methods **/

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@ -52,6 +52,7 @@ typedef RsPgpId RsPgpId;
// The meaning of the different circle types is:
//
//
static const uint32_t GXS_CIRCLE_TYPE_UNKNOWN = 0x0000 ; // not known. Is treated as public.
static const uint32_t GXS_CIRCLE_TYPE_PUBLIC = 0x0001 ; // not restricted to a circle
static const uint32_t GXS_CIRCLE_TYPE_EXTERNAL = 0x0002 ; // restricted to an external circle, made of RsGxsId
static const uint32_t GXS_CIRCLE_TYPE_YOUR_FRIENDS_ONLY = 0x0003 ; // restricted to a subset of friend nodes of a given RS node given by a RsPgpId list

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@ -33,11 +33,13 @@ typedef std::map<RsGxsGroupId, std::vector<RsMsgMetaData> > MsgMetaResult;
class RsGxsGrpMetaData;
class RsGxsMsgMetaData;
struct RsGroupMetaData
{
// (csoler) The correct default value to be used in mCircleType is GXS_CIRCLE_TYPE_PUBLIC, which is defined in rsgxscircles.h,
// but because of a loop in the includes, I cannot include it here. So I replaced with its current value 0x0001.
RsGroupMetaData() : mGroupFlags(0), mSignFlags(0), mPublishTs(0),
mCircleType(0), mAuthenFlags(0), mSubscribeFlags(0), mPop(0),
mCircleType(0x0001), mAuthenFlags(0), mSubscribeFlags(0), mPop(0),
mVisibleMsgCount(0), mLastPost(0), mGroupStatus(0) {}
void operator =(const RsGxsGrpMetaData& rGxsMeta);

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@ -690,6 +690,7 @@ bool p3IdService::createIdentity(uint32_t& token, RsIdentityParameters &params)
RsGxsIdGroup id;
id.mMeta.mGroupName = params.nickname;
id.mMeta.mCircleType = GXS_CIRCLE_TYPE_PUBLIC ;
id.mImage = params.mImage;
if (params.isPgpLinked)
@ -712,6 +713,7 @@ bool p3IdService::updateIdentity(uint32_t& token, RsGxsIdGroup &group)
std::cerr << "p3IdService::updateIdentity()";
std::cerr << std::endl;
#endif
group.mMeta.mCircleType = GXS_CIRCLE_TYPE_PUBLIC ;
updateGroup(token, group);