]> jfr.im git - irc/quakenet/newserv.git/blame - proxyscan/proxyscanhandlers.c
Fix more printf style warnings.
[irc/quakenet/newserv.git] / proxyscan / proxyscanhandlers.c
CommitLineData
905c2ba2 1#include "proxyscan.h"
2#include "../irc/irc.h"
3#include "../lib/irc_string.h"
557c8cb2 4#include "../core/error.h"
905c2ba2 5
6void proxyscan_newnick(int hooknum, void *arg) {
7 nick *np=(nick *)arg;
8 cachehost *chp;
9 foundproxy *fpp, *nfpp;
557c8cb2
P
10 extrascan *esp, *espp;
11
905c2ba2 12 int i;
13
14 /* Skip 127.* and 0.* hosts */
c9db668b 15 if (irc_in_addr_is_loopback(&np->p_ipaddr) || !irc_in_addr_is_ipv4(&np->p_ipaddr))
905c2ba2 16 return;
17
557c8cb2
P
18 /* before we look at a normal host, see if we think we have an open proxy */
19 if ((esp=findextrascan(np->ipnode))) {
20 Error("proxyextra", ERR_ERROR, "connection from possible proxy %s", IPtostr(np->p_ipaddr));
21 for (espp=esp;espp;espp=espp->nextbynode) {
22 queuescan(np->ipnode, espp->type, espp->port, SCLASS_NORMAL, time(NULL));
23 }
24 }
bc78ddf6
P
25
26 /* ignore newnick for first 120s */
27 if (ps_start_ts+120 > time(NULL))
28 return;
29
905c2ba2 30 /*
31 * Logic for connecting hosts:
32 *
33 * If they're in the cache and clean, return.
34 * If they're in the cache, dirty, and last scanned < 30
35 * mins ago, return (they will probably go away in a minute)
36 * If they're in the cache and dirty:
37 * - gline them
38 * - trigger the "check" scans on the known proxies
39 * - trigger normal scans as for the case below..
40 *
41 * If they're not in the cache, we queue up their scans
42 */
43
557c8cb2 44 if ((chp=findcachehost(np->ipnode))) {
905c2ba2 45 if (!chp->proxies)
46 return;
47
48 if (time(NULL) < (chp->lastscan + 1800))
49 return;
50
51 /* Queue up all the normal scans - on the normal queue */
52 for (i=0;i<numscans;i++) {
53 /* If this port is open DON'T queue the scan - we'll start it later in the CHECK class */
54 for (fpp=chp->proxies;fpp;fpp=fpp->next) {
55 if (fpp->type == thescans[i].type && fpp->port == thescans[i].port)
56 break;
57
58 if (!fpp)
557c8cb2 59 queuescan(np->ipnode, thescans[i].type, thescans[i].port, SCLASS_NORMAL, 0);
905c2ba2 60 }
61 }
62
63 /* We want these scans to start around now, so we put them at the front of the priority queue */
64 for (fpp=chp->proxies;fpp;fpp=nfpp) {
65 nfpp=fpp->next;
557c8cb2 66 queuescan(np->ipnode, fpp->type, fpp->port, SCLASS_CHECK, time(NULL));
905c2ba2 67 freefoundproxy(fpp);
68 }
69
70 /* set a SHORT gline - if they really have an open proxy the gline will be re-set, with a new ID */
71 irc_send("%s GL * +*@%s 600 :Open Proxy, see http://www.quakenet.org/openproxies.html - ID: %d",
c9db668b 72 mynumeric->content,IPtostr(np->p_ipaddr),chp->glineid);
905c2ba2 73
74 chp->lastscan=time(NULL);
75 chp->proxies=NULL;
76 chp->glineid=0;
77 } else {
557c8cb2 78 chp=addcleanhost(time(NULL));
a8ba1373 79 np->ipnode->exts[ps_cache_ext] = chp;
557c8cb2 80 patricia_ref_prefix(np->ipnode->prefix);
905c2ba2 81
82 /* Queue up all the normal scans - on the normal queue */
83 for (i=0;i<numscans;i++)
557c8cb2 84 queuescan(np->ipnode, thescans[i].type, thescans[i].port, SCLASS_NORMAL, 0);
905c2ba2 85 }
86}
87