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Work around more typos that might end up in torrent files as announce urls

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erdgeist 2007-10-21 04:13:53 +00:00
parent 2b715b89f1
commit 886421d2d5
1 changed files with 16 additions and 8 deletions
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24
opentracker.c
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@ -390,13 +390,14 @@ write( 2, debug_request, l );
return sendmmapdata( s, reply, reply_size );
}
/* This is to hack around stupid clients that just replace
"announce ?info_hash" with "scrape ?info_hash".
We do not want to bomb them with full scrapes */
if( !byte_diff( c, 2, " ?" ) ) c+=2;
SCRAPE_WORKAROUND:
/* This is to hack around stupid clients that send "announce ?info_hash" */
if( c[-1] != '?' ) {
while( ( *c != '?' ) && ( *c != '\n' ) ) ++c;
if( *c == '\n' ) HTTPERROR_400_PARAM;
}
scanon = 1;
scrape_count = 0;
while( scanon ) {
@ -429,15 +430,19 @@ SCRAPE_WORKAROUND:
* A N N O U N C E *
******************************/
case 7:
if( byte_diff( data, 7, "announc" ) ) HTTPERROR_404;
goto ANNOUNCE_WORKAROUND;
if( !byte_diff( data, 7, "announc" ) ) goto ANNOUNCE_WORKAROUND;
if( !byte_diff( data, 7, "anounce" ) ) goto ANNOUNCE_WORKAROUND;
HTTPERROR_404;
case 8:
if( byte_diff( data, 8, "announce" ) ) HTTPERROR_404;
ANNOUNCE_WORKAROUND:
/* This is to hack around stupid clients that send "announce ?info_hash" */
if( !byte_diff( c+1, 5, "?info" ) ) c+=2;
if( c[-1] != '?' ) {
while( ( *c != '?' ) && ( *c != '\n' ) ) ++c;
if( *c == '\n' ) HTTPERROR_400_PARAM;
}
OT_SETIP( &peer, ((struct http_data*)io_getcookie( s ) )->ip );
OT_SETPORT( &peer, &port );
@ -525,6 +530,9 @@ ANNOUNCE_WORKAROUND:
}
ot_overall_tcp_successfulannounces++;
break;
case 9:
if( byte_diff( data, 9, "announce " ) ) HTTPERROR_404;
goto ANNOUNCE_WORKAROUND;
case 10:
if( byte_diff( data, 10, "scrape.php" ) ) HTTPERROR_404;
goto SCRAPE_WORKAROUND;