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Save client name from azureus or extended handshake, overriding name deduced from peer id.

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This commit is contained in:
Josh Elsasser 2007-08-15 23:03:50 +00:00
parent 7301b39c8b
commit 3d0e98b2c7
3 changed files with 58 additions and 26 deletions
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1
libtransmission/peer.c
View file

@ -259,6 +259,7 @@ struct tr_peer_s
tr_ratecontrol_t * upload;
char * client;
int extclient;
int64_t credit;
};

46
libtransmission/peeraz.h
View file

@ -341,9 +341,11 @@ parseAZMessageHeader( tr_peer_t * peer, uint8_t * buf, int len,
static int
parseAZHandshake( tr_peer_t * peer, uint8_t * buf, int len )
{
benc_val_t val, * sub, * dict, * subsub;
benc_val_t val, * sub, * sub2, * dict, * subsub;
tr_bitfield_t * msgs;
int ii, idx;
int ii, idx, newclient;
size_t size;
char * client;
if( tr_bencLoad( buf, len, &val, NULL ) )
{
@ -358,28 +360,37 @@ parseAZHandshake( tr_peer_t * peer, uint8_t * buf, int len )
return TR_ERROR;
}
#if 0 /* ugh, we have to deal with encoding if we do this */
/* get peer's client name */
sub = tr_bencDictFind( &val, "client" );
sub2 = tr_bencDictFind( &val, "version" );
if( NULL != sub && TYPE_STR == sub->type &&
NULL != sub2 && TYPE_STR == sub->type )
newclient = 0;
if( !peer->extclient )
{
if( NULL == peer->client ||
( 0 != strncmp( peer->client, sub->val.s.s, sub->val.s.i ) ||
' ' != peer->client[sub->val.s.i] ||
0 != strcmp( peer->client + sub->val.s.i + 1, sub2->val.s.s ) ) )
sub = tr_bencDictFind( &val, "client" );
sub2 = tr_bencDictFind( &val, "version" );
if( NULL != sub && TYPE_STR == sub->type &&
NULL != sub2 && TYPE_STR == sub->type )
{
client = NULL;
asprintf( &client, "%s %s", sub->val.s.s, sub2->val.s.s );
if( NULL != client )
size = bufsize_utf8( sub->val.s.s, NULL ) +
bufsize_utf8( sub2->val.s.s, NULL );
client = calloc( size, 1 );
if( NULL == client )
{
tr_bencFree( &val );
return TR_ERROR;
}
strlcat_utf8( client, sub->val.s.s, size, 0 );
strlcat( client, " ", size );
strlcat_utf8( client, sub2->val.s.s, size, 0 );
if( NULL == peer->client || 0 != strcmp( client, peer->client ) )
{
free( peer->client );
peer->client = client;
newclient = 1;
}
else
free( client );
peer->extclient = 1;
}
}
#endif
/* get the peer's listening port */
sub = tr_bencDictFind( &val, "tcp_port" );
@ -400,7 +411,10 @@ parseAZHandshake( tr_peer_t * peer, uint8_t * buf, int len )
return TR_ERROR;
}
peer_dbg( "GET azureus-handshake, ok" );
if( newclient )
peer_dbg( "GET azureus-handshake, ok (%s)", peer->client );
else
peer_dbg( "GET azureus-handshake, ok" );
/* fill bitmask with supported message info */
msgs = tr_bitfieldNew( azmsgCount() );

37
libtransmission/peerext.h
View file

@ -219,7 +219,8 @@ static int
parseExtendedHandshake( tr_peer_t * peer, uint8_t * buf, int len )
{
benc_val_t val, * sub;
int dbgport, dbgpex;
int dbgport, dbgpex, dbgclient, grow;
size_t size;
if( tr_bencLoad( buf, len, &val, NULL ) )
{
@ -250,20 +251,31 @@ parseExtendedHandshake( tr_peer_t * peer, uint8_t * buf, int len )
}
}
#if 0 /* ugh, we have to deal with encoding if we do this */
/* get peer's client name */
sub = tr_bencDictFind( &val, "v" );
if( NULL != sub && TYPE_STR == sub->type &&
( NULL == peer->client || 0 != strcmp( sub->val.s.s, peer->client ) ) )
dbgclient = 0;
if( !peer->extclient )
{
client = tr_bencStealStr( sub );
if( NULL != client )
sub = tr_bencDictFind( &val, "v" );
if( NULL != sub && TYPE_STR == sub->type )
{
dbgclient = 1;
free( peer->client );
peer->client = client;
size = bufsize_utf8( sub->val.s.s, &grow );
if( grow )
{
peer->client = calloc( size, 1 );
if( NULL == peer->client )
{
tr_bencFree( &val );
return TR_ERROR;
}
strlcat_utf8( peer->client, sub->val.s.s, size, 0 );
}
else
peer->client = tr_bencStealStr( sub );
peer->extclient = 1;
}
}
#endif
/* get peer's listening port */
sub = tr_bencDictFind( &val, "p" );
@ -275,7 +287,12 @@ parseExtendedHandshake( tr_peer_t * peer, uint8_t * buf, int len )
dbgport = sub->val.i;
}
peer_dbg( "GET extended-handshake, ok port=%i pex=%i", dbgport, dbgpex );
if( dbgclient )
peer_dbg( "GET extended-handshake, ok port=%d pex=%d client=%s",
dbgport, dbgpex, peer->client );
else
peer_dbg( "GET extended-handshake, ok port=%d pex=%d",
dbgport, dbgpex );
tr_bencFree( &val );
return TR_OK;