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Imported Upstream version 1.2.4

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didyouexpectthat 2018-01-12 18:20:00 -08:00
commit 4722a0b75a
398 changed files with 38633 additions and 24919 deletions
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55
node/Multicaster.hpp
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@ -90,10 +90,10 @@ public:
* @param mg Multicast group
* @param member New member address
*/
inline void add(uint64_t now,uint64_t nwid,const MulticastGroup &mg,const Address &member)
inline void add(void *tPtr,uint64_t now,uint64_t nwid,const MulticastGroup &mg,const Address &member)
{
Mutex::Lock _l(_groups_m);
_add(now,nwid,mg,_groups[Multicaster::Key(nwid,mg)],member);
_add(tPtr,now,nwid,mg,_groups[Multicaster::Key(nwid,mg)],member);
}
/**
@ -101,6 +101,7 @@ public:
*
* It's up to the caller to check bounds on the array before calling this.
*
* @param tPtr Thread pointer to be handed through to any callbacks called as a result of this call
* @param now Current time
* @param nwid Network ID
* @param mg Multicast group
@ -108,7 +109,7 @@ public:
* @param count Number of addresses
* @param totalKnown Total number of known addresses as reported by peer
*/
void addMultiple(uint64_t now,uint64_t nwid,const MulticastGroup &mg,const void *addresses,unsigned int count,unsigned int totalKnown);
void addMultiple(void *tPtr,uint64_t now,uint64_t nwid,const MulticastGroup &mg,const void *addresses,unsigned int count,unsigned int totalKnown);
/**
* Remove a multicast group member (if present)
@ -150,10 +151,11 @@ public:
/**
* Send a multicast
*
* @param com Certificate of membership to include or NULL for none
* @param tPtr Thread pointer to be handed through to any callbacks called as a result of this call
* @param limit Multicast limit
* @param now Current time
* @param nwid Network ID
* @param disableCompression Disable packet payload compression?
* @param alwaysSendTo Send to these peers first and even if not included in subscriber list
* @param mg Multicast group
* @param src Source Ethernet MAC address or NULL to skip in packet and compute from ZT address (non-bridged mode)
@ -162,10 +164,11 @@ public:
* @param len Length of packet data
*/
void send(
const CertificateOfMembership *com,
void *tPtr,
unsigned int limit,
uint64_t now,
uint64_t nwid,
bool disableCompression,
const std::vector<Address> &alwaysSendTo,
const MulticastGroup &mg,
const MAC &src,
@ -181,12 +184,52 @@ public:
*/
void clean(uint64_t now);
/**
* Add an authorization credential
*
* The Multicaster keeps its own track of when valid credentials of network
* membership are presented. This allows it to control MULTICAST_LIKE
* GATHER authorization for networks this node does not belong to.
*
* @param com Certificate of membership
* @param alreadyValidated If true, COM has already been checked and found to be valid and signed
*/
void addCredential(void *tPtr,const CertificateOfMembership &com,bool alreadyValidated);
/**
* Check authorization for GATHER and LIKE for non-network-members
*
* @param a Address of peer
* @param nwid Network ID
* @param now Current time
* @return True if GATHER and LIKE should be allowed
*/
bool cacheAuthorized(const Address &a,const uint64_t nwid,const uint64_t now) const
{
Mutex::Lock _l(_gatherAuth_m);
const uint64_t *p = _gatherAuth.get(_GatherAuthKey(nwid,a));
return ((p)&&((now - *p) < ZT_MULTICAST_CREDENTIAL_EXPIRATON));
}
private:
void _add(uint64_t now,uint64_t nwid,const MulticastGroup &mg,MulticastGroupStatus &gs,const Address &member);
void _add(void *tPtr,uint64_t now,uint64_t nwid,const MulticastGroup &mg,MulticastGroupStatus &gs,const Address &member);
const RuntimeEnvironment *RR;
Hashtable<Multicaster::Key,MulticastGroupStatus> _groups;
Mutex _groups_m;
struct _GatherAuthKey
{
_GatherAuthKey() : member(0),networkId(0) {}
_GatherAuthKey(const uint64_t nwid,const Address &a) : member(a.toInt()),networkId(nwid) {}
inline unsigned long hashCode() const { return (unsigned long)(member ^ networkId); }
inline bool operator==(const _GatherAuthKey &k) const { return ((member == k.member)&&(networkId == k.networkId)); }
uint64_t member;
uint64_t networkId;
};
Hashtable< _GatherAuthKey,uint64_t > _gatherAuth;
Mutex _gatherAuth_m;
};
} // namespace ZeroTier