9pfs/solanum-vs-hackint-and-charybdis
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Only kill unknown prefix UIDs that start with a valid SID

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(existing and behind the link that sent the prefix).
Also require them to be exactly 9 characters long.
This commit is contained in:
Jilles Tjoelker 2009-01-22 00:27:27 +01:00
parent cd300c1b82
commit d45f5ea2d9
1 changed files with 17 additions and 3 deletions
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16
src/parse.c
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@ -532,6 +532,8 @@ static void
remove_unknown(struct Client *client_p, char *lsender, char *lbuffer) remove_unknown(struct Client *client_p, char *lsender, char *lbuffer)
{ {
int slen = strlen(lsender); int slen = strlen(lsender);
char sid[4];
struct Client *server;
/* meepfoo is a nickname (ignore) /* meepfoo is a nickname (ignore)
* #XXXXXXXX is a UID (KILL) * #XXXXXXXX is a UID (KILL)
@ -550,9 +552,21 @@ remove_unknown(struct Client *client_p, char *lsender, char *lbuffer)
get_id(&me, client_p), lsender, get_id(&me, client_p), lsender,
lbuffer, client_p->name); lbuffer, client_p->name);
} }
else if(IsDigit(lsender[0])) else if(!IsDigit(lsender[0]))
;
else if(slen != 9)
sendto_realops_snomask(SNO_DEBUG, L_ALL,
"Invalid prefix (%s) from %s",
lbuffer, client_p->name);
else
{
memcpy(sid, lsender, 3);
sid[3] = '\0';
server = find_server(NULL, sid);
if (server != NULL && server->from == client_p)
sendto_one(client_p, ":%s KILL %s :%s (Unknown Client)", sendto_one(client_p, ":%s KILL %s :%s (Unknown Client)",
get_id(&me, client_p), lsender, me.name); get_id(&me, client_p), lsender, me.name);
}
} }