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(trunk libT) #4016 "blocklists loaded in Transmission should be used to filter DHT communication." -- fixed.

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This commit is contained in:
Jordan Lee 2011-07-12 12:30:17 +00:00
parent 7b71470ea0
commit a4e095b26f
1 changed files with 7 additions and 0 deletions
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7
libtransmission/tr-udp.c
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@ -192,6 +192,8 @@ event_callback(int s, short type UNUSED, void *sv)
unsigned char buf[4096]; unsigned char buf[4096];
struct sockaddr_storage from; struct sockaddr_storage from;
tr_session *ss = sv; tr_session *ss = sv;
tr_address addr;
tr_port port;
assert(tr_isSession(sv)); assert(tr_isSession(sv));
assert(type == EV_READ); assert(type == EV_READ);
@ -200,6 +202,11 @@ event_callback(int s, short type UNUSED, void *sv)
rc = recvfrom(s, buf, 4096 - 1, 0, rc = recvfrom(s, buf, 4096 - 1, 0,
(struct sockaddr*)&from, &fromlen); (struct sockaddr*)&from, &fromlen);
/* don't process messages from blocked addresses */
if( !tr_address_from_sockaddr_storage( &addr, &port, &from )
|| tr_sessionIsAddressBlocked( ss, &addr ) )
return;
/* Since most packets we receive here are µTP, make quick inline /* Since most packets we receive here are µTP, make quick inline
checks for the other protocols. The logic is as follows: checks for the other protocols. The logic is as follows:
- all DHT packets start with 'd'; - all DHT packets start with 'd';