]>
jfr.im git - irc/quakenet/newserv.git/blob - proxyscan/proxyscanhandlers.c
2 #include "../irc/irc.h"
3 #include "../lib/irc_string.h"
4 #include "../core/error.h"
6 void proxyscan_newnick(int hooknum
, void *arg
) {
9 foundproxy
*fpp
, *nfpp
;
10 extrascan
*esp
, *espp
;
14 /* Skip 127.* and 0.* hosts */
15 if (irc_in_addr_is_loopback(&np
->p_ipaddr
))
18 /* slug: why is this here? why isn't it with the other queuing stuff? */
19 /* we're given a list of ip/subnets and port pairs which someone else has
20 seen a proxy on in the past, so we scan these very aggressively
21 (even ignoring the cache)
23 /* disabled as the list is hopelessly out of date */
24 if ((esp
=findextrascan(np
->ipnode
))) {
25 Error("proxyextra", ERR_ERROR
, "connection from possible proxy %s", IPtostr(np
->p_ipaddr
));
26 for (espp
=esp
;espp
;espp
=espp
->nextbynode
) {
27 /* we force a scan on any hosts that may be an open proxy, even if they are:
28 * a) already in the queue, b) we've been running < 120 seconds */
29 queuescan(np
->ipnode
, espp
->type
, espp
->port
, SCLASS_NORMAL
, time(NULL
));
33 /* slug: this BREAKS all of P's design assumptions, do NOT REENABLE THIS UNDER ANY CIRCUMSTANCES */
34 /* ignore newnick until initial burst complete */
40 * Logic for connecting hosts:
42 * If they're in the cache and clean, return.
43 * If they're in the cache, dirty, and last scanned < 30
44 * mins ago, return (they will probably go away in a minute)
45 * If they're in the cache and dirty:
47 * - trigger the "check" scans on the known proxies
48 * - trigger normal scans as for the case below..
50 * If they're not in the cache, we queue up their scans
52 if ((chp
=findcachehost(np
->ipnode
))) {
56 if (time(NULL
) < (chp
->lastscan
+ 1800))
59 /* Queue up all the normal scans - on the normal queue */
60 for (i
=0;i
<numscans
;i
++) {
61 /* If this port is open DON'T queue the scan - we'll start it later in the CHECK class */
62 for (fpp
=chp
->proxies
;fpp
;fpp
=fpp
->next
) {
63 if (fpp
->type
== thescans
[i
].type
&& fpp
->port
== thescans
[i
].port
)
67 queuescan(np
->ipnode
, thescans
[i
].type
, thescans
[i
].port
, SCLASS_NORMAL
, 0);
71 /* We want these scans to start around now, so we put them at the front of the priority queue */
72 for (fpp
=chp
->proxies
;fpp
;fpp
=nfpp
) {
74 queuescan(np
->ipnode
, fpp
->type
, fpp
->port
, SCLASS_CHECK
, time(NULL
));
78 /* set a SHORT gline - if they really have an open proxy the gline will be re-set, with a new ID */
79 irc_send("%s GL * +*@%s 600 %jd :Open Proxy, see http://www.quakenet.org/openproxies.html - ID: %d",
80 mynumeric
->content
,IPtostr(np
->p_ipaddr
),(intmax_t)getnettime(), chp
->glineid
);
82 chp
->lastscan
=time(NULL
);
86 chp
=addcleanhost(time(NULL
));
87 np
->ipnode
->exts
[ps_cache_ext
] = chp
;
88 patricia_ref_prefix(np
->ipnode
->prefix
);
90 /* Queue up all the normal scans - on the normal queue */
91 for (i
=0;i
<numscans
;i
++)
92 queuescan(np
->ipnode
, thescans
[i
].type
, thescans
[i
].port
, SCLASS_NORMAL
, 0);