]>
jfr.im git - irc/quakenet/newserv.git/blob - proxyscan/proxyscan.c
6 #include <sys/socket.h>
8 #include "../core/error.h"
9 #include "../core/events.h"
13 #include "../nick/nick.h"
14 #include "../core/hooks.h"
15 #include "../lib/sstring.h"
16 #include "../irc/irc_config.h"
17 #include "../localuser/localuser.h"
18 #include "../core/config.h"
20 #include "../core/schedule.h"
22 #include "../irc/irc.h"
23 #include "../lib/irc_string.h"
24 #include "../lib/version.h"
25 #include "../channel/channel.h"
26 #include "../localuser/localuserchannel.h"
27 #include "../core/nsmalloc.h"
28 #include "../lib/irc_ipv6.h"
32 #define SCANTIMEOUT 60
34 #define SCANHOSTHASHSIZE 1000
35 #define SCANHASHSIZE 400
37 /* It's unlikely you'll get 100k of preamble before a connect... */
38 #define READ_SANITY_LIMIT 102400
40 scan
*scantable
[SCANHASHSIZE
];
42 CommandTree
*ps_commands
;
57 int numscans
; /* number of scan types currently valid */
58 scantype thescans
[PSCAN_MAXSCANS
];
60 unsigned int hitsbyclass
[10];
61 unsigned int scansbyclass
[10];
65 unsigned short listenport
;
68 unsigned int ps_mailip
;
69 unsigned int ps_mailport
;
72 unsigned long scanspermin
;
73 unsigned long tempscanspermin
=0;
74 unsigned long lastscants
=0;
76 unsigned int ps_start_ts
=0;
83 void handlescansock(int fd
, short events
);
84 void timeoutscansock(void *arg
);
85 void proxyscan_newnick(int hooknum
, void *arg
);
86 void proxyscan_lostnick(int hooknum
, void *arg
);
87 void proxyscan_onconnect(int hooknum
, void *arg
);
88 void proxyscanuserhandler(nick
*target
, int message
, void **params
);
89 void registerproxyscannick();
90 void killsock(scan
*sp
, int outcome
);
92 void proxyscanstats(int hooknum
, void *arg
);
93 void sendlagwarning();
94 void proxyscan_newip(nick
*np
, unsigned long ip
);
95 int proxyscan_addscantype(int type
, int port
);
96 int proxyscan_delscantype(int type
, int port
);
98 int proxyscandostatus(void *sender
, int cargc
, char **cargv
);
99 int proxyscandebug(void *sender
, int cargc
, char **cargv
);
100 int proxyscandosave(void *sender
, int cargc
, char **cargv
);
101 int proxyscandospew(void *sender
, int cargc
, char **cargv
);
102 int proxyscandoshowkill(void *sender
, int cargc
, char **cargv
);
103 int proxyscandoscan(void *sender
, int cargc
, char **cargv
);
104 int proxyscandoaddscan(void *sender
, int cargc
, char **cargv
);
105 int proxyscandodelscan(void *sender
, int cargc
, char **cargv
);
106 int proxyscandoshowcommands(void *sender
, int cargc
, char **cargv
);
108 int proxyscan_addscantype(int type
, int port
) {
109 /* Check we have a spare scan slot */
111 if (numscans
>=PSCAN_MAXSCANS
)
114 thescans
[numscans
].type
=type
;
115 thescans
[numscans
].port
=port
;
116 thescans
[numscans
].hits
=0;
123 int proxyscan_delscantype(int type
, int port
) {
126 for (i
=0;i
<numscans
;i
++)
127 if (thescans
[i
].type
==type
&& thescans
[i
].port
==port
)
133 memmove(thescans
+i
, thescans
+(i
+1), (PSCAN_MAXSCANS
-(i
+1)) * sizeof(scantype
));
143 ps_start_ts
= time(NULL
);
147 ps_cache_ext
= registernodeext("proxyscancache");
148 if( ps_cache_ext
== -1 ) {
149 Error("proxyscan",ERR_INFO
,"failed to reg node ext");
152 ps_extscan_ext
= registernodeext("proxyscanextscan");
153 if ( ps_extscan_ext
== -1) {
154 Error("proxyscan",ERR_INFO
,"failed to reg node ext");
158 memset(scantable
,0,sizeof(scantable
));
164 ps_starttime
=time(NULL
);
168 lastscants
=time(NULL
);
171 cfgstr
=getcopyconfigitem("proxyscan","port","9999",6);
172 listenport
=strtol(cfgstr
->content
,NULL
,10);
175 /* Max concurrent scans */
176 cfgstr
=getcopyconfigitem("proxyscan","maxscans","200",5);
177 maxscans
=strtol(cfgstr
->content
,NULL
,10);
180 /* Clean host timeout */
181 cfgstr
=getcopyconfigitem("proxyscan","rescaninterval","3600",7);
182 rescaninterval
=strtol(cfgstr
->content
,NULL
,10);
183 cachehostinit(rescaninterval
);
186 /* this default will NOT work well */
187 myipstr
=getcopyconfigitem("proxyscan","ip","127.0.0.1",16);
189 sscanf(myipstr
->content
,"%d.%d.%d.%d",&ipbits
[0],&ipbits
[1],&ipbits
[2],&ipbits
[3]);
191 myip
=((ipbits
[0]&0xFF)<<24)+((ipbits
[1]&0xFF)<<16)+
192 ((ipbits
[2]&0xFF)<<8)+(ipbits
[3]&0xFF);
194 #if defined(PROXYSCAN_MAIL)
196 cfgstr
=getcopyconfigitem("proxyscan","mailerip","",16);
200 sscanf(cfgstr
->content
,"%d.%d.%d.%d",&ipbits
[0],&ipbits
[1],&ipbits
[2],&ipbits
[3]);
201 ps_mailip
= ((ipbits
[0]&0xFF)<<24)+((ipbits
[1]&0xFF)<<16)+
202 ((ipbits
[2]&0xFF)<<8)+(ipbits
[3]&0xFF);
206 ps_mailname
=getcopyconfigitem("proxyscan","mailname","some.mail.server",HOSTLEN
);
207 Error("proxyscan",ERR_INFO
,"Proxyscan mailer enabled; mailing to %s as %s.",IPlongtostr(ps_mailip
),ps_mailname
->content
);
215 /* Set up our nick on the network */
216 scheduleoneshot(time(NULL
),®isterproxyscannick
,NULL
);
218 registerhook(HOOK_SERVER_END_OF_BURST
, &proxyscan_onconnect
);
220 registerhook(HOOK_NICK_NEWNICK
,&proxyscan_newnick
);
222 registerhook(HOOK_CORE_STATSREQUEST
,&proxyscanstats
);
224 /* Read in the clean hosts */
227 /* Read in any custom ports to scan */
230 /* Set up the database */
231 if ((proxyscandbinit())!=0) {
237 ps_commands
= newcommandtree();
238 addcommandtotree(ps_commands
, "showcommands", 0, 0, &proxyscandoshowcommands
);
239 addcommandtotree(ps_commands
, "status", 0, 0, &proxyscandostatus
);
240 addcommandtotree(ps_commands
, "listopen", 0, 0, &proxyscandolistopen
);
241 addcommandtotree(ps_commands
, "save", 0, 0, &proxyscandosave
);
242 addcommandtotree(ps_commands
, "spew", 0, 0, &proxyscandospew
);
243 addcommandtotree(ps_commands
, "showkill", 0, 0, &proxyscandoshowkill
);
244 addcommandtotree(ps_commands
, "scan", 0, 0, &proxyscandoscan
);
245 addcommandtotree(ps_commands
, "addscan", 0, 0, &proxyscandoaddscan
);
246 addcommandtotree(ps_commands
, "delscan", 0, 0, &proxyscandodelscan
);
248 /* Default scan types */
249 proxyscan_addscantype(STYPE_HTTP
, 8080);
250 proxyscan_addscantype(STYPE_HTTP
, 8118);
251 proxyscan_addscantype(STYPE_HTTP
, 80);
252 proxyscan_addscantype(STYPE_HTTP
, 6588);
253 proxyscan_addscantype(STYPE_HTTP
, 8000);
254 proxyscan_addscantype(STYPE_HTTP
, 3128);
255 proxyscan_addscantype(STYPE_HTTP
, 3802);
256 proxyscan_addscantype(STYPE_HTTP
, 5490);
257 proxyscan_addscantype(STYPE_HTTP
, 7441);
258 proxyscan_addscantype(STYPE_HTTP
, 808);
259 proxyscan_addscantype(STYPE_HTTP
, 3332);
260 proxyscan_addscantype(STYPE_HTTP
, 2282);
261 proxyscan_addscantype(STYPE_SOCKS4
, 559);
262 proxyscan_addscantype(STYPE_SOCKS4
, 1080);
263 proxyscan_addscantype(STYPE_SOCKS5
, 1080);
264 proxyscan_addscantype(STYPE_SOCKS4
, 1075);
265 proxyscan_addscantype(STYPE_SOCKS5
, 1075);
266 proxyscan_addscantype(STYPE_SOCKS4
, 2280);
267 proxyscan_addscantype(STYPE_SOCKS5
, 2280);
268 proxyscan_addscantype(STYPE_SOCKS4
, 1180);
269 proxyscan_addscantype(STYPE_SOCKS5
, 1180);
270 proxyscan_addscantype(STYPE_SOCKS4
, 9999);
271 proxyscan_addscantype(STYPE_SOCKS5
, 9999);
272 proxyscan_addscantype(STYPE_WINGATE
, 23);
273 proxyscan_addscantype(STYPE_CISCO
, 23);
274 proxyscan_addscantype(STYPE_WINGATE
, 1181);
275 proxyscan_addscantype(STYPE_SOCKS5
, 1978);
276 proxyscan_addscantype(STYPE_SOCKS5
, 1029);
277 proxyscan_addscantype(STYPE_SOCKS5
, 3801);
278 proxyscan_addscantype(STYPE_SOCKS5
, 3331);
279 proxyscan_addscantype(STYPE_HTTP
, 65506);
280 proxyscan_addscantype(STYPE_HTTP
, 63809);
281 proxyscan_addscantype(STYPE_HTTP
, 63000);
282 proxyscan_addscantype(STYPE_SOCKS4
, 29992);
283 proxyscan_addscantype(STYPE_DIRECT_IRC
, 6666);
284 proxyscan_addscantype(STYPE_DIRECT_IRC
, 6667);
285 proxyscan_addscantype(STYPE_DIRECT_IRC
, 6668);
286 proxyscan_addscantype(STYPE_DIRECT_IRC
, 6669);
287 proxyscan_addscantype(STYPE_DIRECT_IRC
, 6670);
290 schedulerecurring(time(NULL
)+3600,0,3600,&dumpcachehosts
,NULL
);
292 ps_logfile
=fopen("logs/proxyscan.log","a");
295 /* if we're already connected, assume we're just reloading module (i.e. have a completed burst) */
301 void registerproxyscannick(void *arg
) {
302 sstring
*psnick
,*psuser
,*pshost
,*psrealname
;
303 /* Set up our nick on the network */
306 psnick
=getcopyconfigitem("proxyscan","nick","P",NICKLEN
);
307 psuser
=getcopyconfigitem("proxyscan","user","proxyscan",USERLEN
);
308 pshost
=getcopyconfigitem("proxyscan","host","some.host",HOSTLEN
);
309 psrealname
=getcopyconfigitem("proxyscan","realname","Proxyscan",REALLEN
);
311 proxyscannick
=registerlocaluser(psnick
->content
,psuser
->content
,pshost
->content
,
313 NULL
,UMODE_OPER
|UMODE_SERVICE
|UMODE_DEAF
,
314 &proxyscanuserhandler
);
319 freesstring(psrealname
);
321 cp
=findchannel("#twilightzone");
323 localcreatechannel(proxyscannick
,"#twilightzone");
325 localjoinchannel(proxyscannick
,cp
);
326 localgetops(proxyscannick
,cp
);
332 deregisterlocaluser(proxyscannick
,NULL
);
334 deregisterhook(HOOK_SERVER_END_OF_BURST
, &proxyscan_onconnect
);
336 deregisterhook(HOOK_NICK_NEWNICK
,&proxyscan_newnick
);
338 deregisterhook(HOOK_CORE_STATSREQUEST
,&proxyscanstats
);
340 deleteschedule(NULL
,&dumpcachehosts
,NULL
);
342 destroycommandtree(ps_commands
);
344 /* Kill any scans in progress */
347 /* Dump the database - AFTER killallscans() which prunes it */
348 dumpcachehosts(NULL
);
350 /* dump any cached hosts before deleting the extensions */
351 releasenodeext(ps_cache_ext
);
352 releasenodeext(ps_extscan_ext
);
354 /* free() all our structures */
355 nsfreeall(POOL_PROXYSCAN
);
357 freesstring(myipstr
);
358 freesstring(ps_mailname
);
359 #if defined(PROXYSCAN_MAIL)
360 if (psm_mailerfd
!=-1)
361 deregisterhandler(psm_mailerfd
,1);
368 void proxyscanuserhandler(nick
*target
, int message
, void **params
) {
376 scheduleoneshot(time(NULL
)+1,®isterproxyscannick
,NULL
);
382 sender
=(nick
*)params
[0];
384 if (IsOper(sender
)) {
385 cargc
= splitline((char *)params
[1], cargv
, 20, 0);
390 ps_command
= findcommandintree(ps_commands
, cargv
[0], 1);
393 sendnoticetouser(proxyscannick
,sender
, "Unknown command.");
397 if ( ps_command
->maxparams
< (cargc
-1) ) {
398 rejoinline(cargv
[ps_command
->maxparams
], cargc
- (ps_command
->maxparams
));
399 cargc
= (ps_command
->maxparams
) + 1;
402 (ps_command
->handler
)((void *)sender
, cargc
- 1, &(cargv
[1]));
411 void addscantohash(scan
*sp
) {
413 hash
=(sp
->fd
)%SCANHASHSIZE
;
415 sp
->next
=scantable
[hash
];
421 void delscanfromhash(scan
*sp
) {
425 hash
=(sp
->fd
)%SCANHASHSIZE
;
427 for (sh
=&(scantable
[hash
]);*sh
;sh
=&((*sh
)->next
)) {
437 scan
*findscan(int fd
) {
441 hash
=fd%SCANHASHSIZE
;
443 for (sp
=scantable
[hash
];sp
;sp
=sp
->next
)
450 void startscan(patricia_node_t
*node
, int type
, int port
, int class) {
454 if (scansdone
>maxscans
)
456 /* ignore the first maxscans as this will skew our scans per second! */
458 if ((lastscants
+60) <= time(NULL
))
460 /* ok, at least 60 seconds has passed, calculate the scans per minute figure */
461 scantmp
= time(NULL
) - lastscants
;
462 scantmp
= tempscanspermin
/ scantmp
;
463 scantmp
= (scantmp
* 60);
464 scanspermin
= scantmp
;
465 lastscants
= time(NULL
);
472 sp
->outcome
=SOUTCOME_INPROGRESS
;
478 sp
->totalbytesread
=0;
479 memset(sp
->readbuf
, '\0', PSCAN_READBUFSIZE
);
481 sp
->fd
=createconnectsocket(irc_in_addr_v4_to_int(&((patricia_node_t
*)sp
->node
)->prefix
->sin
),sp
->port
);
482 sp
->state
=SSTATE_CONNECTING
;
484 /* Couldn't set up the socket? */
485 derefnode(iptree
,sp
->node
);
489 /* Wait until it is writeable */
490 registerhandler(sp
->fd
,POLLERR
|POLLHUP
|POLLOUT
,&handlescansock
);
491 /* And set a timeout */
492 sp
->sch
=scheduleoneshot(time(NULL
)+SCANTIMEOUT
,&timeoutscansock
,(void *)sp
);
496 void timeoutscansock(void *arg
) {
497 scan
*sp
=(scan
*)arg
;
499 killsock(sp
, SOUTCOME_CLOSED
);
502 void killsock(scan
*sp
, int outcome
) {
509 scansbyclass
[sp
->class]++;
511 /* Remove the socket from the schedule/event lists */
512 deregisterhandler(sp
->fd
,1); /* this will close the fd for us */
513 deleteschedule(sp
->sch
,&timeoutscansock
,(void *)sp
);
518 /* See if we need to queue another scan.. */
519 if (sp
->outcome
==SOUTCOME_CLOSED
&&
520 ((sp
->class==SCLASS_CHECK
) ||
521 (sp
->class==SCLASS_NORMAL
&& (sp
->state
==SSTATE_SENTREQUEST
|| sp
->state
==SSTATE_GOTRESPONSE
))))
522 queuescan(sp
->node
, sp
->type
, sp
->port
, SCLASS_PASS2
, time(NULL
)+300);
524 if (sp
->outcome
==SOUTCOME_CLOSED
&& sp
->class==SCLASS_PASS2
)
525 queuescan(sp
->node
, sp
->type
, sp
->port
, SCLASS_PASS3
, time(NULL
)+300);
527 if (sp
->outcome
==SOUTCOME_CLOSED
&& sp
->class==SCLASS_PASS3
)
528 queuescan(sp
->node
, sp
->type
, sp
->port
, SCLASS_PASS4
, time(NULL
)+300);
530 if (sp
->outcome
==SOUTCOME_OPEN
) {
531 hitsbyclass
[sp
->class]++;
533 /* Lets try and get the cache record. If there isn't one, make a new one. */
534 if (!(chp
=findcachehost(sp
->node
))) {
535 chp
=addcleanhost(time(NULL
));
536 patricia_ref_prefix(sp
->node
->prefix
);
537 sp
->node
->exts
[ps_cache_ext
] = chp
;
539 /* Stick it on the cache's list of proxies, if necessary */
540 for (fpp
=chp
->proxies
;fpp
;fpp
=fpp
->next
)
541 if (fpp
->type
==sp
->type
&& fpp
->port
==sp
->port
)
548 fpp
->next
=chp
->proxies
;
553 /* the purpose of this lastgline stuff is to stop gline spam from one scan */
554 if (!chp
->glineid
|| (now
>=chp
->lastgline
+SCANTIMEOUT
)) {
557 loggline(chp
, sp
->node
);
558 irc_send("%s GL * +*@%s 1800 %jd :Open Proxy, see http://www.quakenet.org/openproxies.html - ID: %d",
559 mynumeric
->content
,IPtostr(((patricia_node_t
*)sp
->node
)->prefix
->sin
),(intmax_t)getnettime(), chp
->glineid
);
560 Error("proxyscan",ERR_DEBUG
,"Found open proxy on host %s",IPtostr(((patricia_node_t
*)sp
->node
)->prefix
->sin
));
562 loggline(chp
, sp
->node
); /* Update log only */
566 for(i
=0;i
<numscans
;i
++) {
567 if (thescans
[i
].type
==sp
->type
&& thescans
[i
].port
==sp
->port
) {
576 /* kick the queue.. */
580 void handlescansock(int fd
, short events
) {
586 unsigned short netport
;
588 if ((sp
=findscan(fd
))==NULL
) {
589 /* Not found; return and hope it goes away */
590 Error("proxyscan",ERR_ERROR
,"Unexpected message from fd %d",fd
);
594 /* It woke up, delete the alarm call.. */
595 deleteschedule(sp
->sch
,&timeoutscansock
,(void *)sp
);
597 if (events
& (POLLERR
|POLLHUP
)) {
598 /* Some kind of error; give up on this socket */
599 if (sp
->state
==SSTATE_GOTRESPONSE
) {
600 /* If the error occured while we were waiting for a response, we might have
601 * received the "OPEN PROXY!" message and the EOF at the same time, so continue
603 /* Error("proxyscan",ERR_DEBUG,"Got error in GOTRESPONSE state for %s, continuing.",IPtostr(sp->host->IP)); */
605 killsock(sp
, SOUTCOME_CLOSED
);
610 /* Otherwise, we got what we wanted.. */
613 case SSTATE_CONNECTING
:
614 /* OK, we got activity while connecting, so we're going to send some
615 * request depending on scan type. However, we can reregister everything
616 * here to save duplicate code: This code is common for all handlers */
618 /* Delete the old handler */
619 deregisterhandler(fd
,0);
620 /* Set the new one */
621 registerhandler(fd
,POLLERR
|POLLHUP
|POLLIN
,&handlescansock
);
622 sp
->sch
=scheduleoneshot(time(NULL
)+SCANTIMEOUT
,&timeoutscansock
,(void *)sp
);
624 sp
->state
=SSTATE_SENTREQUEST
;
628 sprintf(buf
,"CONNECT %s:%d HTTP/1.0\r\n\r\n",myipstr
->content
,listenport
);
629 if ((write(fd
,buf
,strlen(buf
)))<strlen(buf
)) {
630 /* We didn't write the full amount, DIE */
631 killsock(sp
,SOUTCOME_CLOSED
);
637 /* set up the buffer */
639 netport
=htons(listenport
);
640 memcpy(&buf
[4],&netip
,4);
641 memcpy(&buf
[2],&netport
,2);
645 if ((write(fd
,buf
,9))<9) {
646 /* Didn't write enough, give up */
647 killsock(sp
,SOUTCOME_CLOSED
);
653 /* Set up initial request buffer */
657 if ((write(fd
,buf
,3))>3) {
658 /* Didn't write enough, give up */
659 killsock(sp
,SOUTCOME_CLOSED
);
663 /* Now the actual connect request */
669 netport
=htons(listenport
);
670 memcpy(&buf
[4],&netip
,4);
671 memcpy(&buf
[8],&netport
,2);
672 res
=write(fd
,buf
,10);
674 killsock(sp
,SOUTCOME_CLOSED
);
680 /* Send wingate request */
681 sprintf(buf
,"%s:%d\r\n",myipstr
->content
,listenport
);
682 if((write(fd
,buf
,strlen(buf
)))<strlen(buf
)) {
683 killsock(sp
,SOUTCOME_CLOSED
);
689 /* Send cisco request */
690 sprintf(buf
,"cisco\r\n");
691 if ((write(fd
,buf
,strlen(buf
)))<strlen(buf
)) {
692 killsock(sp
, SOUTCOME_CLOSED
);
696 sprintf(buf
,"telnet %s %d\r\n",myipstr
->content
,listenport
);
697 if ((write(fd
,buf
,strlen(buf
)))<strlen(buf
)) {
698 killsock(sp
, SOUTCOME_CLOSED
);
708 case STYPE_DIRECT_IRC
:
709 sprintf(buf
,"PRIVMSG\r\n");
710 if ((write(fd
,buf
,strlen(buf
)))<strlen(buf
)) {
711 killsock(sp
, SOUTCOME_CLOSED
);
720 case SSTATE_SENTREQUEST
:
721 res
=read(fd
, sp
->readbuf
+sp
->bytesread
, PSCAN_READBUFSIZE
-sp
->bytesread
);
724 if ((errno
!=EINTR
&& errno
!=EWOULDBLOCK
) || res
==0) {
726 killsock(sp
, SOUTCOME_CLOSED
);
732 sp
->totalbytesread
+=res
;
736 int magicstringlength
;
738 if(sp
->type
!= STYPE_DIRECT_IRC
) {
739 magicstring
= MAGICSTRING
;
740 magicstringlength
= MAGICSTRINGLENGTH
;
742 magicstring
= MAGICIRCSTRING
;
743 magicstringlength
= MAGICIRCSTRINGLENGTH
;
746 for (i
=0;i
<sp
->bytesread
- magicstringlength
;i
++) {
747 if (!strncmp(sp
->readbuf
+i
, magicstring
, magicstringlength
)) {
748 /* Found the magic string */
749 /* If the offset is 0, this means it was the first thing we got from the socket,
750 * so it's an actual IRCD (sheesh). Note that when the buffer is full and moved,
751 * the thing moved to offset 0 would previously have been tested as offset
752 * PSCAN_READBUFSIZE/2.
754 * Skip this checking for STYPE_DIRECT scans, which are used to detect trojans setting
755 * up portforwards (which will therefore show up as ircds, we rely on the port being
756 * strange enough to avoid false positives */
757 if (i
==0 && (sp
->type
!= STYPE_DIRECT
)) {
758 killsock(sp
, SOUTCOME_CLOSED
);
762 killsock(sp
, SOUTCOME_OPEN
);
768 /* If the buffer is full, move half of it along to make room */
769 if (sp
->bytesread
== PSCAN_READBUFSIZE
) {
770 memcpy(sp
->readbuf
, sp
->readbuf
+ (PSCAN_READBUFSIZE
)/2, PSCAN_READBUFSIZE
/2);
771 sp
->bytesread
= PSCAN_READBUFSIZE
/2;
774 /* Don't read data forever.. */
775 if (sp
->totalbytesread
> READ_SANITY_LIMIT
) {
776 killsock(sp
, SOUTCOME_CLOSED
);
780 /* No magic string yet, we schedule another timeout in case it comes later. */
781 sp
->sch
=scheduleoneshot(time(NULL
)+SCANTIMEOUT
,&timeoutscansock
,(void *)sp
);
786 void killallscans() {
791 for(i
=0;i
<SCANHASHSIZE
;i
++) {
792 for(sp
=scantable
[i
];sp
;sp
=sp
->next
) {
793 /* If there is a pending scan, delete it's clean host record.. */
794 if ((chp
=findcachehost(sp
->node
)) && !chp
->proxies
) {
795 sp
->node
->exts
[ps_cache_ext
] = NULL
;
796 derefnode(iptree
,sp
->node
);
801 deregisterhandler(sp
->fd
,1);
802 deleteschedule(sp
->sch
,&timeoutscansock
,(void *)(sp
));
808 void proxyscanstats(int hooknum
, void *arg
) {
811 sprintf(buf
, "Proxyscn: %6d/%4d scans complete/in progress. %d hosts queued.",
812 scansdone
,activescans
,queuedhosts
);
813 triggerhook(HOOK_CORE_STATSREPLY
,buf
);
814 sprintf(buf
, "Proxyscn: %6u known clean hosts",cleancount());
815 triggerhook(HOOK_CORE_STATSREPLY
,buf
);
818 void sendlagwarning() {
822 for (i
=0;i
<MAXSERVERS
;i
++) {
823 if (serverlist
[i
].maxusernum
>0) {
824 for(j
=0;j
<serverlist
[i
].maxusernum
;j
++) {
825 np
=servernicks
[i
][j
];
826 if (np
!=NULL
&& IsOper(np
)) {
827 sendnoticetouser(proxyscannick
,np
,"Warning: More than 20,000 hosts to scan - I'm lagging behind badly!");
834 int pscansort(const void *a
, const void *b
) {
835 int ra
= *((const int *)a
);
836 int rb
= *((const int *)b
);
838 return thescans
[ra
].hits
- thescans
[rb
].hits
;
841 int proxyscandostatus(void *sender
, int cargc
, char **cargv
) {
842 nick
*np
= (nick
*) sender
;
845 int ord
[PSCAN_MAXSCANS
];
847 sendnoticetouser(proxyscannick
,np
,"Service uptime: %s",longtoduration(time(NULL
)-ps_starttime
, 1));
848 sendnoticetouser(proxyscannick
,np
,"Total scans completed: %d",scansdone
);
849 sendnoticetouser(proxyscannick
,np
,"Total hosts glined: %d",glinedhosts
);
851 sendnoticetouser(proxyscannick
,np
,"pendingscan structures: %lu x %lu bytes = %lu bytes total",countpendingscan
,
852 sizeof(pendingscan
), (countpendingscan
* sizeof(pendingscan
)));
854 sendnoticetouser(proxyscannick
,np
,"Currently active scans: %d/%d",activescans
,maxscans
);
855 sendnoticetouser(proxyscannick
,np
,"Processing speed: %lu scans per minute",scanspermin
);
856 sendnoticetouser(proxyscannick
,np
,"Normal queued scans: %d",normalqueuedscans
);
857 sendnoticetouser(proxyscannick
,np
,"Timed queued scans: %d",prioqueuedscans
);
858 sendnoticetouser(proxyscannick
,np
,"'Clean' cached hosts: %d",cleancount());
859 sendnoticetouser(proxyscannick
,np
,"'Dirty' cached hosts: %d",dirtycount());
861 sendnoticetouser(proxyscannick
,np
,"Extra scans: %d", extrascancount());
863 sendnoticetouser(proxyscannick
,np
,"Open proxies, class %1d: %d/%d (%.2f%%)",i
,hitsbyclass
[i
],scansbyclass
[i
],((float)hitsbyclass
[i
]*100)/scansbyclass
[i
]);
865 for (i
=0;i
<numscans
;i
++)
866 totaldetects
+=thescans
[i
].hits
;
868 for (i
=0;i
<numscans
;i
++)
871 qsort(ord
,numscans
,sizeof(int),pscansort
);
873 sendnoticetouser(proxyscannick
,np
,"Scan type Port Detections");
874 for (i
=0;i
<numscans
;i
++)
875 sendnoticetouser(proxyscannick
,np
,"%-9s %-5d %d (%.2f%%)",
876 scantostr(thescans
[ord
[i
]].type
), thescans
[ord
[i
]].port
, thescans
[ord
[i
]].hits
, ((float)thescans
[ord
[i
]].hits
*100)/totaldetects
);
878 sendnoticetouser(proxyscannick
,np
,"End of list.");
882 int proxyscandebug(void *sender
, int cargc
, char **cargv
) {
883 /* Dump all scans.. */
885 int activescansfound
=0;
886 int totalscansfound
=0;
888 nick
*np
= (nick
*)sender
;
890 sendnoticetouser(proxyscannick
,np
,"Active scans : %d",activescans
);
892 for (i
=0;i
<SCANHASHSIZE
;i
++) {
893 for (sp
=scantable
[i
];sp
;sp
=sp
->next
) {
894 if (sp
->outcome
==SOUTCOME_INPROGRESS
) {
898 sendnoticetouser(proxyscannick
,np
,"fd: %d type: %d port: %d state: %d outcome: %d IP: %s",
899 sp
->fd
,sp
->type
,sp
->port
,sp
->state
,sp
->outcome
,IPtostr(((patricia_node_t
*)sp
->node
)->prefix
->sin
));
903 sendnoticetouser(proxyscannick
,np
,"Total %d scans actually found (%d active)",totalscansfound
,activescansfound
);
907 void proxyscan_onconnect(int hooknum
, void *arg
) {
910 /* kick the queue.. */
914 int proxyscandosave(void *sender
, int cargc
, char **cargv
) {
915 nick
*np
= (nick
*)sender
;
917 sendnoticetouser(proxyscannick
,np
,"Saving cached hosts...");
918 dumpcachehosts(NULL
);
919 sendnoticetouser(proxyscannick
,np
,"Done.");
923 int proxyscandospew(void *sender
, int cargc
, char **cargv
) {
924 nick
*np
= (nick
*)sender
;
926 /* check our database for the ip supplied */
927 unsigned long a
,b
,c
,d
;
928 if (4 != sscanf(cargv
[0],"%lu.%lu.%lu.%lu",&a
,&b
,&c
,&d
)) {
929 sendnoticetouser(proxyscannick
,np
,"Usage: spew x.x.x.x");
932 proxyscanspewip(proxyscannick
,np
,a
,b
,c
,d
);
937 int proxyscandoshowkill(void *sender
, int cargc
, char **cargv
) {
938 nick
*np
= (nick
*)sender
;
940 /* check our database for the id supplied */
942 if (1 != sscanf(cargv
[0],"%lu",&a
)) {
943 sendnoticetouser(proxyscannick
,np
,"Usage: showkill <id>");
946 proxyscanshowkill(proxyscannick
,np
,a
);
951 void startnickscan(nick
*np
) {
952 time_t t
= time(NULL
);
954 for(i
=0;i
<numscans
;i
++) {
955 /* @@@TODO: we allow a forced scan to scan the same IP multiple times atm */
956 queuescan(np
->ipnode
,thescans
[i
].type
,thescans
[i
].port
,SCLASS_NORMAL
,t
);
960 int proxyscandoscan(void *sender
, int cargc
, char **cargv
) {
961 nick
*np
= (nick
*)sender
;
962 patricia_node_t
*node
;
963 struct irc_in_addr sin
;
967 if (0 == ipmask_parse(cargv
[0],&sin
, &bits
)) {
968 sendnoticetouser(proxyscannick
,np
,"Usage: scan <ip>");
971 sendnoticetouser(proxyscannick
,np
,"Forcing scan of %s",IPtostr(sin
));
972 // * Just queue the scans directly here.. plonk them on the priority queue * /
973 node
= refnode(iptree
, &sin
, bits
); /* node leaks node here - should only allow to scan a nick? */
975 for(i
=0;i
<numscans
;i
++) {
976 /* @@@TODO: we allow a forced scan to scan the same IP multiple times atm */
977 queuescan(node
,thescans
[i
].type
,thescans
[i
].port
,SCLASS_NORMAL
,t
);
983 int proxyscandoaddscan(void *sender
, int cargc
, char **cargv
) {
984 nick
*np
= (nick
*)sender
;
987 if (sscanf(cargv
[0],"%u %u",&a
,&b
) != 2) {
988 sendnoticetouser(proxyscannick
,np
,"Usage: addscan <type> <port>");
990 sendnoticetouser(proxyscannick
,np
,"Added scan type %u port %u",a
,b
);
991 proxyscan_addscantype(a
,b
);
997 int proxyscandodelscan(void *sender
, int cargc
, char **cargv
) {
998 nick
*np
= (nick
*)sender
;
1001 if (sscanf(cargv
[0],"%u %u",&a
,&b
) != 2) {
1002 sendnoticetouser(proxyscannick
,np
,"Usage: delscan <type> <port>");
1004 sendnoticetouser(proxyscannick
,np
,"Delete scan type %u port %u",a
,b
);
1005 proxyscan_delscantype(a
,b
);
1010 int proxyscandoshowcommands(void *sender
, int cargc
, char **cargv
) {
1011 nick
*np
= (nick
*)sender
;
1012 Command
*cmdlist
[100];
1015 n
=getcommandlist(ps_commands
,cmdlist
,100);
1017 sendnoticetouser(proxyscannick
,np
,"The following commands are registered at present:");
1019 sendnoticetouser(proxyscannick
,np
,"%s",cmdlist
[i
]->command
->content
);
1021 sendnoticetouser(proxyscannick
,np
,"End of list.");