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ip/torrent: print tracker errors/warnings in debug mode and allow setting peerid

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This commit is contained in:
mischief 2014-02-01 12:04:30 -08:00
parent ed9e9f98e9
commit abb4bad701
2 changed files with 29 additions and 2 deletions
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14
sys/man/1/torrent
View file

@ -23,6 +23,9 @@ torrent \- bittorrent client
] [
.B -c
] [
.B -i
.I peer-id
] [
.I file
]
.SH DESCRIPTION
@ -104,6 +107,17 @@ To monitor the download progress, the
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

17
sys/src/cmd/ip/torrent.c
View file

@ -853,6 +853,15 @@ webtracker(char *url)
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 @@ main(int argc, char *argv[])
case 'd':
debug++;
break;
case 'i':
strncpy((char*)peerid, EARGF(usage()), sizeof(peerid));
break;
default:
usage();
} ARGEND;
@ -1339,8 +1351,9 @@ main(int argc, char *argv[])
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)