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More cleanup

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This commit is contained in:
erdgeist 2006-12-08 20:50:06 +00:00
parent 898206ac7a
commit b9743bf516
1 changed files with 83 additions and 71 deletions
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38
opentracker.c
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@ -103,19 +103,16 @@ const char* http_header(struct http_data* r,const char* h)
void httpresponse(struct http_data* h,int64 s) void httpresponse(struct http_data* h,int64 s)
{ {
char* c; char *c, *d, *data;
array_cat0(&h->r); array_cat0(&h->r);
c = array_start(&h->r); c = array_start(&h->r);
if (byte_diff(c,4,"GET ")) if (byte_diff(c,4,"GET ")) {
{
e400: e400:
httperror(h,"400 Invalid Request","This server only understands GET."); httperror(h,"400 Invalid Request","This server only understands GET.");
goto bailout;
} }
else
{
char *d, *data;
// expect 'GET /uri?nnbjhg HTTP/1.*' // expect 'GET /uri?nnbjhg HTTP/1.*'
c+=4; c+=4;
@ -129,6 +126,10 @@ e400:
data = c; data = c;
switch( scan_urlencoded_query( &c, data, SCAN_PATH ) ) { switch( scan_urlencoded_query( &c, data, SCAN_PATH ) ) {
case 0:
e404:
httperror(h,"404 Not Found","No such file or directory.");
goto bailout;
case 6: /* scrape ? */ case 6: /* scrape ? */
if (!byte_diff(c,6,"scrape")) if (!byte_diff(c,6,"scrape"))
goto e404; goto e404;
@ -139,6 +140,7 @@ e400:
else { else {
// info_hash, left, port, numwant, compact // info_hash, left, port, numwant, compact
struct ot_peer peer; struct ot_peer peer;
ot_hash *hash = NULL;
byte_copy( peer.ip, 4, h->ip ); byte_copy( peer.ip, 4, h->ip );
peer.port = 6881; peer.port = 6881;
@ -146,7 +148,6 @@ e400:
data = c; data = c;
switch( scan_urlencoded_query( &c, data, SCAN_SEARCHPATH_PARAM ) ) { switch( scan_urlencoded_query( &c, data, SCAN_SEARCHPATH_PARAM ) ) {
case -1: /* error */ case -1: /* error */
httperror(h,"404 Not Found","No such file or directory.");
goto e404; goto e404;
case 4: case 4:
if(!byte_diff(c,4,"port")) if(!byte_diff(c,4,"port"))
@ -160,9 +161,20 @@ e400:
else if(!byte_diff(c,7,"compact")) else if(!byte_diff(c,7,"compact"))
/* scan flag */ c; /* scan flag */ c;
break; break;
case 9: /* info_hash */ case 9: /* info_hash= */
if(!byte_diff(c,9,"info_hash")) c; if(!byte_diff(c,9,"info_hash")) {
/* scan 20 bytes */ 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; break;
} }
} }
@ -170,7 +182,7 @@ e400:
break; break;
default: /* neither scrape nor announce */ default: /* neither scrape nor announce */
httperror(h,"404 Not Found","No such file or directory."); httperror(h,"404 Not Found","No such file or directory.");
goto e404; goto bailout;
} }
c=h->hdrbuf=(char*)malloc(500); c=h->hdrbuf=(char*)malloc(500);
@ -184,8 +196,8 @@ e400:
c+=fmt_str(c,"\r\nConnection: close\r\n\r\n"); c+=fmt_str(c,"\r\nConnection: close\r\n\r\n");
iob_addbuf(&h->iob,h->hdrbuf,c - h->hdrbuf); iob_addbuf(&h->iob,h->hdrbuf,c - h->hdrbuf);
iob_addbuf(&h->iob,tracker_answer, tracker_answer_size); iob_addbuf(&h->iob,tracker_answer, tracker_answer_size);
}
e404: bailout:
io_dontwantread(s); io_dontwantread(s);
io_wantwrite(s); io_wantwrite(s);
} }