ref: abb4bad701e25836ebff6d8c8797710eb2a5ac27
parent: ed9e9f98e9cc502c72b27c68612e9e187ec11e10
author: mischief <[email protected]>
date: Sat Feb 1 07:04:30 EST 2014
ip/torrent: print tracker errors/warnings in debug mode and allow setting peerid
--- a/sys/man/1/torrent
+++ b/sys/man/1/torrent
@@ -23,6 +23,9 @@
] [
.B -c
] [
+.B -i
+.I peer-id
+] [
.I file
]
.SH DESCRIPTION
@@ -104,6 +107,17 @@
option can be given to cause the completed and total number of
pieces written as a line of text to standard-output in one
second intervals.
+.PP
+The
+.B -i
+option allows you to set the 20-byte
+.I peer-id
+that is sent to trackers and peers. If less than 20 bytes, the
+.I peer-id
+will be padded on the right with random ASCII numbers. This is
+useful to fool trackers that filter clients based on the
+.I peer-id
+.
.SH EXAMPLES
Create new torrent file
.EX
--- a/sys/src/cmd/ip/torrent.c
+++ b/sys/src/cmd/ip/torrent.c
@@ -853,6 +853,15 @@
bparse(p, p+n, &d);
free(p);
} else if(debug) fprint(2, "tracker %s: %r\n", url);
+ /* check errors and warnings */
+ if(p = dstr(dlook(d, "failure reason"))) {+ if(debug)
+ fprint(2, "tracker failure: %s\n", p);
+ exits(0);
+ }
+ if(p = dstr(dlook(d, "warning message")))
+ if(debug)
+ fprint(2, "tracker warning: %s\n", p);
if(l = dlook(d, "peers")){if(l->typ == 's')
clients4((uchar*)l->str, l->len);
@@ -1206,6 +1215,9 @@
case 'd':
debug++;
break;
+ case 'i':
+ strncpy((char*)peerid, EARGF(usage()), sizeof(peerid));
+ break;
default:
usage();
} ARGEND;
@@ -1339,8 +1351,9 @@
case -1:
sysfatal("fork: %r");case 0:
- memmove(peerid, "-NF9001-", 8);
- for(i=8; i<sizeof(peerid); i++)
+ if(peerid[0] == 0)
+ strncpy((char*)peerid, "-NF9001-", 9);
+ for(i=sizeof(peerid)-1; i >= 0 && peerid[i] == 0; i--)
peerid[i] = nrand(10)+'0';
server();
for(; alist; alist = alist->next)