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Further compact code

master
Dirk Engling 15 years ago
parent
commit
7d73d53102
  1. 79
      opentracker.c

79
opentracker.c

@ -104,6 +104,9 @@ const char* http_header(struct http_data* r,const char* h)
void httpresponse(struct http_data* h,int64 s)
{
char *c, *d, *data;
struct ot_peer peer;
ot_hash *hash = NULL;
array_cat0(&h->r);
c = array_start(&h->r);
@ -124,8 +127,7 @@ e400:
if (c[0]!='/') goto e404;
while (c[1]=='/') ++c;
data = c;
switch( scan_urlencoded_query( &c, data, SCAN_PATH ) ) {
switch( scan_urlencoded_query( &c, data = c, SCAN_PATH ) ) {
case 0:
e404:
httperror(h,"404 Not Found","No such file or directory.");
@ -134,49 +136,42 @@ e404:
if (!byte_diff(c,6,"scrape"))
goto e404;
break;
case 9:
case 8:
if( !byte_diff(c,8,"announce"))
goto e404;
else {
// info_hash, left, port, numwant, compact
struct ot_peer peer;
ot_hash *hash = NULL;
byte_copy( peer.ip, 4, h->ip );
peer.port = 6881;
while( 1 ) {
data = c;
switch( scan_urlencoded_query( &c, data, SCAN_SEARCHPATH_PARAM ) ) {
case -1: /* error */
goto e404;
case 4:
if(!byte_diff(c,4,"port"))
/* scan int */ c;
else if(!byte_diff(c,4,"left"))
/* scan int */ c;
break;
case 7:
if(!byte_diff(c,7,"numwant"))
/* scan int */ c;
else if(!byte_diff(c,7,"compact"))
/* scan flag */ c;
break;
case 9: /* info_hash= */
if(!byte_diff(c,9,"info_hash")) {
data = c;
/* ignore this, when we have less than 20 bytes */
switch( scan_urlencoded_query( &c, data, SCAN_SEARCHPATH_VALUE ) )
case -1:
httperror(h,"404 Not Found","No such file or directory.");
goto bailout;
case 20:
hash = (ot_hash*)data;
break;
default:
continue;
}
break;
byte_copy( peer.ip, 4, h->ip );
peer.port = 6881;
while( 1 ) {
switch( scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_PARAM ) ) {
case -1: /* error */
goto e404;
case 4:
if(!byte_diff(c,4,"port"))
/* scan int */ c;
else if(!byte_diff(c,4,"left"))
/* scan int */ c;
break;
case 7:
if(!byte_diff(c,7,"numwant"))
/* scan int */ c;
else if(!byte_diff(c,7,"compact"))
/* scan flag */ c;
break;
case 9: /* info_hash= */
if(!byte_diff(c,9,"info_hash")) {
/* ignore this, when we have less than 20 bytes */
switch( scan_urlencoded_query( &c, data = c, SCAN_SEARCHPATH_VALUE ) )
case -1:
httperror(h,"404 Not Found","No such file or directory.");
goto bailout;
case 20:
hash = (ot_hash*)data; /* Fall through intended */
default:
continue;
}
break;
}
}
break;

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