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Commit | Line | Data |
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c86edd1d Q |
1 | |
2 | #include "proxyscan.h" | |
3 | ||
4 | #include <sys/poll.h> | |
5 | #include <sys/types.h> | |
6 | #include <sys/socket.h> | |
7 | #include <netdb.h> | |
8 | #include "../core/error.h" | |
9 | #include "../core/events.h" | |
10 | #include <stdlib.h> | |
11 | #include <stdio.h> | |
12 | #include <errno.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" | |
19 | #include <unistd.h> | |
20 | #include "../core/schedule.h" | |
21 | #include <string.h> | |
22 | #include "../irc/irc.h" | |
23 | #include "../lib/irc_string.h" | |
cfd3214b CP |
24 | #include "../lib/version.h" |
25 | #include "../channel/channel.h" | |
26 | #include "../localuser/localuserchannel.h" | |
818e3d5f | 27 | #include "../core/nsmalloc.h" |
557c8cb2 | 28 | #include "../lib/irc_ipv6.h" |
cfd3214b CP |
29 | |
30 | MODULE_VERSION("") | |
c86edd1d Q |
31 | |
32 | #define SCANTIMEOUT 60 | |
33 | ||
34 | #define SCANHOSTHASHSIZE 1000 | |
35 | #define SCANHASHSIZE 400 | |
36 | ||
37 | /* It's unlikely you'll get 100k of preamble before a connect... */ | |
38 | #define READ_SANITY_LIMIT 102400 | |
39 | ||
40 | scan *scantable[SCANHASHSIZE]; | |
41 | ||
7ab80d0c P |
42 | CommandTree *ps_commands; |
43 | ||
c86edd1d Q |
44 | int listenfd; |
45 | int activescans; | |
46 | int maxscans; | |
47 | int queuedhosts; | |
48 | int scansdone; | |
49 | int rescaninterval; | |
50 | int warningsent; | |
51 | int glinedhosts; | |
2220c058 | 52 | time_t ps_starttime; |
557c8cb2 P |
53 | int ps_cache_ext; |
54 | int ps_extscan_ext; | |
7ab80d0c | 55 | int ps_ready; |
c86edd1d Q |
56 | |
57 | int numscans; /* number of scan types currently valid */ | |
58 | scantype thescans[PSCAN_MAXSCANS]; | |
59 | ||
60 | unsigned int hitsbyclass[10]; | |
61 | unsigned int scansbyclass[10]; | |
62 | ||
63 | unsigned int myip; | |
64 | sstring *myipstr; | |
65 | unsigned short listenport; | |
66 | int brokendb; | |
67 | ||
68 | unsigned int ps_mailip; | |
69 | unsigned int ps_mailport; | |
70 | sstring *ps_mailname; | |
71 | ||
92f1d9e3 D |
72 | unsigned long scanspermin; |
73 | unsigned long tempscanspermin=0; | |
74 | unsigned long lastscants=0; | |
75 | ||
761a4596 P |
76 | unsigned int ps_start_ts=0; |
77 | ||
c86edd1d Q |
78 | nick *proxyscannick; |
79 | ||
80 | FILE *ps_logfile; | |
81 | ||
82 | /* Local functions */ | |
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); | |
7ab80d0c | 87 | void proxyscan_onconnect(int hooknum, void *arg); |
c86edd1d Q |
88 | void proxyscanuserhandler(nick *target, int message, void **params); |
89 | void registerproxyscannick(); | |
90 | void killsock(scan *sp, int outcome); | |
91 | void killallscans(); | |
92 | void proxyscanstats(int hooknum, void *arg); | |
93 | void sendlagwarning(); | |
c86edd1d Q |
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); | |
97 | ||
7ab80d0c P |
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); | |
107 | ||
c86edd1d Q |
108 | int proxyscan_addscantype(int type, int port) { |
109 | /* Check we have a spare scan slot */ | |
110 | ||
111 | if (numscans>=PSCAN_MAXSCANS) | |
112 | return 1; | |
113 | ||
114 | thescans[numscans].type=type; | |
115 | thescans[numscans].port=port; | |
116 | thescans[numscans].hits=0; | |
117 | ||
118 | numscans++; | |
119 | ||
120 | return 0; | |
121 | } | |
122 | ||
123 | int proxyscan_delscantype(int type, int port) { | |
124 | int i; | |
125 | ||
126 | for (i=0;i<numscans;i++) | |
127 | if (thescans[i].type==type && thescans[i].port==port) | |
128 | break; | |
129 | ||
130 | if (i>=numscans) | |
131 | return 1; | |
132 | ||
133 | memmove(thescans+i, thescans+(i+1), (PSCAN_MAXSCANS-(i+1)) * sizeof(scantype)); | |
134 | numscans--; | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
139 | void _init(void) { | |
140 | sstring *cfgstr; | |
141 | int ipbits[4]; | |
142 | ||
761a4596 | 143 | ps_start_ts = time(NULL); |
7ab80d0c P |
144 | ps_ready = 0; |
145 | ps_commands = NULL; | |
761a4596 | 146 | |
557c8cb2 | 147 | ps_cache_ext = registernodeext("proxyscancache"); |
a8ba1373 P |
148 | if( ps_cache_ext == -1 ) { |
149 | Error("proxyscan",ERR_INFO,"failed to reg node ext"); | |
150 | return; | |
557c8cb2 P |
151 | } |
152 | ps_extscan_ext = registernodeext("proxyscanextscan"); | |
a8ba1373 P |
153 | if ( ps_extscan_ext == -1) { |
154 | Error("proxyscan",ERR_INFO,"failed to reg node ext"); | |
155 | return; | |
557c8cb2 | 156 | } |
a8ba1373 | 157 | |
c86edd1d Q |
158 | memset(scantable,0,sizeof(scantable)); |
159 | maxscans=200; | |
160 | activescans=0; | |
161 | queuedhosts=0; | |
162 | scansdone=0; | |
163 | warningsent=0; | |
2220c058 | 164 | ps_starttime=time(NULL); |
c86edd1d | 165 | glinedhosts=0; |
7ab80d0c | 166 | |
92f1d9e3 D |
167 | scanspermin=0; |
168 | lastscants=time(NULL); | |
169 | ||
c86edd1d Q |
170 | /* Listen port */ |
171 | cfgstr=getcopyconfigitem("proxyscan","port","9999",6); | |
172 | listenport=strtol(cfgstr->content,NULL,10); | |
173 | freesstring(cfgstr); | |
174 | ||
175 | /* Max concurrent scans */ | |
5de2923d | 176 | cfgstr=getcopyconfigitem("proxyscan","maxscans","200",10); |
c86edd1d Q |
177 | maxscans=strtol(cfgstr->content,NULL,10); |
178 | freesstring(cfgstr); | |
179 | ||
180 | /* Clean host timeout */ | |
181 | cfgstr=getcopyconfigitem("proxyscan","rescaninterval","3600",7); | |
182 | rescaninterval=strtol(cfgstr->content,NULL,10); | |
183 | cachehostinit(rescaninterval); | |
184 | freesstring(cfgstr); | |
185 | ||
186 | /* this default will NOT work well */ | |
187 | myipstr=getcopyconfigitem("proxyscan","ip","127.0.0.1",16); | |
188 | ||
189 | sscanf(myipstr->content,"%d.%d.%d.%d",&ipbits[0],&ipbits[1],&ipbits[2],&ipbits[3]); | |
190 | ||
191 | myip=((ipbits[0]&0xFF)<<24)+((ipbits[1]&0xFF)<<16)+ | |
192 | ((ipbits[2]&0xFF)<<8)+(ipbits[3]&0xFF); | |
193 | ||
f94f9cec | 194 | #if defined(PROXYSCAN_MAIL) |
c86edd1d Q |
195 | /* Mailer host */ |
196 | cfgstr=getcopyconfigitem("proxyscan","mailerip","",16); | |
197 | ||
c86edd1d Q |
198 | psm_mailerfd=-1; |
199 | if (cfgstr) { | |
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); | |
203 | ps_mailport=25; | |
204 | freesstring(cfgstr); | |
205 | ||
206 | ps_mailname=getcopyconfigitem("proxyscan","mailname","some.mail.server",HOSTLEN); | |
c9db668b | 207 | Error("proxyscan",ERR_INFO,"Proxyscan mailer enabled; mailing to %s as %s.",IPlongtostr(ps_mailip),ps_mailname->content); |
c86edd1d Q |
208 | } else { |
209 | ps_mailport=0; | |
210 | ps_mailname=NULL; | |
211 | } | |
212 | #endif | |
213 | ||
214 | proxyscannick=NULL; | |
215 | /* Set up our nick on the network */ | |
216 | scheduleoneshot(time(NULL),®isterproxyscannick,NULL); | |
217 | ||
7ab80d0c P |
218 | registerhook(HOOK_SERVER_END_OF_BURST, &proxyscan_onconnect); |
219 | ||
c86edd1d Q |
220 | registerhook(HOOK_NICK_NEWNICK,&proxyscan_newnick); |
221 | ||
222 | registerhook(HOOK_CORE_STATSREQUEST,&proxyscanstats); | |
223 | ||
224 | /* Read in the clean hosts */ | |
225 | loadcachehosts(); | |
226 | ||
557c8cb2 P |
227 | /* Read in any custom ports to scan */ |
228 | loadextrascans(); | |
229 | ||
c86edd1d Q |
230 | /* Set up the database */ |
231 | if ((proxyscandbinit())!=0) { | |
232 | brokendb=1; | |
233 | } else { | |
234 | brokendb=0; | |
235 | } | |
236 | ||
7ab80d0c P |
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); | |
5de2923d CP |
242 | addcommandtotree(ps_commands, "spew", 0, 1, &proxyscandospew); |
243 | addcommandtotree(ps_commands, "showkill", 0, 1, &proxyscandoshowkill); | |
244 | addcommandtotree(ps_commands, "scan", 0, 1, &proxyscandoscan); | |
245 | addcommandtotree(ps_commands, "addscan", 0, 1, &proxyscandoaddscan); | |
246 | addcommandtotree(ps_commands, "delscan", 0, 1, &proxyscandodelscan); | |
7ab80d0c | 247 | |
c86edd1d Q |
248 | /* Default scan types */ |
249 | proxyscan_addscantype(STYPE_HTTP, 8080); | |
7a91c1d0 | 250 | proxyscan_addscantype(STYPE_HTTP, 8118); |
c86edd1d Q |
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); | |
0a85c6ba | 261 | proxyscan_addscantype(STYPE_SOCKS4, 559); |
c86edd1d Q |
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); | |
0a85c6ba P |
270 | proxyscan_addscantype(STYPE_SOCKS4, 9999); |
271 | proxyscan_addscantype(STYPE_SOCKS5, 9999); | |
c86edd1d Q |
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); | |
905c2ba2 | 281 | proxyscan_addscantype(STYPE_HTTP, 63000); |
92f1d9e3 | 282 | proxyscan_addscantype(STYPE_SOCKS4, 29992); |
468b83b2 | 283 | proxyscan_addscantype(STYPE_DIRECT_IRC, 6666); |
c7be40f8 CP |
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); | |
e95140be | 288 | proxyscan_addscantype(STYPE_ROUTER, 3128); |
32f6f393 | 289 | proxyscan_addscantype(STYPE_SOCKS5, 27977); |
7ab80d0c | 290 | |
c86edd1d Q |
291 | /* Schedule saves */ |
292 | schedulerecurring(time(NULL)+3600,0,3600,&dumpcachehosts,NULL); | |
7ab80d0c P |
293 | |
294 | ps_logfile=fopen("logs/proxyscan.log","a"); | |
c86edd1d | 295 | |
7ab80d0c P |
296 | if (connected) { |
297 | /* if we're already connected, assume we're just reloading module (i.e. have a completed burst) */ | |
298 | ps_ready = 1; | |
299 | startqueuedscans(); | |
300 | } | |
c86edd1d Q |
301 | } |
302 | ||
303 | void registerproxyscannick(void *arg) { | |
304 | sstring *psnick,*psuser,*pshost,*psrealname; | |
305 | /* Set up our nick on the network */ | |
cfd3214b | 306 | channel *cp; |
c86edd1d Q |
307 | |
308 | psnick=getcopyconfigitem("proxyscan","nick","P",NICKLEN); | |
309 | psuser=getcopyconfigitem("proxyscan","user","proxyscan",USERLEN); | |
310 | pshost=getcopyconfigitem("proxyscan","host","some.host",HOSTLEN); | |
311 | psrealname=getcopyconfigitem("proxyscan","realname","Proxyscan",REALLEN); | |
312 | ||
313 | proxyscannick=registerlocaluser(psnick->content,psuser->content,pshost->content, | |
314 | psrealname->content, | |
315 | NULL,UMODE_OPER|UMODE_SERVICE|UMODE_DEAF, | |
316 | &proxyscanuserhandler); | |
317 | ||
318 | freesstring(psnick); | |
319 | freesstring(psuser); | |
320 | freesstring(pshost); | |
321 | freesstring(psrealname); | |
cfd3214b CP |
322 | |
323 | cp=findchannel("#twilightzone"); | |
324 | if (!cp) { | |
325 | localcreatechannel(proxyscannick,"#twilightzone"); | |
326 | } else { | |
327 | localjoinchannel(proxyscannick,cp); | |
328 | localgetops(proxyscannick,cp); | |
329 | } | |
c86edd1d Q |
330 | } |
331 | ||
332 | void _fini(void) { | |
333 | ||
334 | deregisterlocaluser(proxyscannick,NULL); | |
557c8cb2 | 335 | |
7ab80d0c | 336 | deregisterhook(HOOK_SERVER_END_OF_BURST, &proxyscan_onconnect); |
c86edd1d Q |
337 | |
338 | deregisterhook(HOOK_NICK_NEWNICK,&proxyscan_newnick); | |
339 | ||
340 | deregisterhook(HOOK_CORE_STATSREQUEST,&proxyscanstats); | |
341 | ||
342 | deleteschedule(NULL,&dumpcachehosts,NULL); | |
7ab80d0c P |
343 | |
344 | destroycommandtree(ps_commands); | |
345 | ||
c86edd1d Q |
346 | /* Kill any scans in progress */ |
347 | killallscans(); | |
348 | ||
349 | /* Dump the database - AFTER killallscans() which prunes it */ | |
350 | dumpcachehosts(NULL); | |
351 | ||
7ab80d0c P |
352 | /* dump any cached hosts before deleting the extensions */ |
353 | releasenodeext(ps_cache_ext); | |
354 | releasenodeext(ps_extscan_ext); | |
355 | ||
c86edd1d | 356 | /* free() all our structures */ |
818e3d5f | 357 | nsfreeall(POOL_PROXYSCAN); |
c86edd1d | 358 | |
6e228f06 | 359 | freesstring(myipstr); |
c86edd1d Q |
360 | freesstring(ps_mailname); |
361 | #if defined(PROXYSCAN_MAIL) | |
362 | if (psm_mailerfd!=-1) | |
363 | deregisterhandler(psm_mailerfd,1); | |
364 | #endif | |
365 | ||
366 | if (ps_logfile) | |
367 | fclose(ps_logfile); | |
368 | } | |
369 | ||
370 | void proxyscanuserhandler(nick *target, int message, void **params) { | |
371 | nick *sender; | |
7ab80d0c P |
372 | Command *ps_command; |
373 | char *cargv[20]; | |
374 | int cargc; | |
c86edd1d Q |
375 | |
376 | switch(message) { | |
377 | case LU_KILLED: | |
378 | scheduleoneshot(time(NULL)+1,®isterproxyscannick,NULL); | |
379 | proxyscannick=NULL; | |
380 | break; | |
381 | ||
382 | case LU_PRIVMSG: | |
383 | case LU_SECUREMSG: | |
384 | sender=(nick *)params[0]; | |
c86edd1d Q |
385 | |
386 | if (IsOper(sender)) { | |
7ab80d0c | 387 | cargc = splitline((char *)params[1], cargv, 20, 0); |
7d228b1d | 388 | |
7ab80d0c P |
389 | if ( cargc == 0 ) |
390 | return; | |
7d228b1d | 391 | |
7ab80d0c | 392 | ps_command = findcommandintree(ps_commands, cargv[0], 1); |
7d228b1d | 393 | |
7ab80d0c P |
394 | if ( !ps_command ) { |
395 | sendnoticetouser(proxyscannick,sender, "Unknown command."); | |
396 | return; | |
c86edd1d Q |
397 | } |
398 | ||
7ab80d0c P |
399 | if ( ps_command->maxparams < (cargc-1) ) { |
400 | rejoinline(cargv[ps_command->maxparams], cargc - (ps_command->maxparams)); | |
401 | cargc = (ps_command->maxparams) + 1; | |
c86edd1d Q |
402 | } |
403 | ||
7ab80d0c P |
404 | (ps_command->handler)((void *)sender, cargc - 1, &(cargv[1])); |
405 | break; | |
c86edd1d Q |
406 | } |
407 | ||
408 | default: | |
409 | break; | |
410 | } | |
411 | } | |
412 | ||
413 | void addscantohash(scan *sp) { | |
414 | int hash; | |
415 | hash=(sp->fd)%SCANHASHSIZE; | |
416 | ||
417 | sp->next=scantable[hash]; | |
418 | scantable[hash]=sp; | |
419 | ||
420 | activescans++; | |
421 | } | |
422 | ||
423 | void delscanfromhash(scan *sp) { | |
424 | int hash; | |
425 | scan **sh; | |
426 | ||
427 | hash=(sp->fd)%SCANHASHSIZE; | |
428 | ||
429 | for (sh=&(scantable[hash]);*sh;sh=&((*sh)->next)) { | |
430 | if (*sh==sp) { | |
431 | (*sh)=sp->next; | |
432 | break; | |
433 | } | |
434 | } | |
435 | ||
436 | activescans--; | |
437 | } | |
438 | ||
439 | scan *findscan(int fd) { | |
440 | int hash; | |
441 | scan *sp; | |
442 | ||
443 | hash=fd%SCANHASHSIZE; | |
444 | ||
445 | for (sp=scantable[hash];sp;sp=sp->next) | |
446 | if (sp->fd==fd) | |
447 | return sp; | |
448 | ||
449 | return NULL; | |
450 | } | |
451 | ||
557c8cb2 | 452 | void startscan(patricia_node_t *node, int type, int port, int class) { |
c86edd1d | 453 | scan *sp; |
92f1d9e3 D |
454 | float scantmp; |
455 | ||
456 | if (scansdone>maxscans) | |
457 | { | |
458 | /* ignore the first maxscans as this will skew our scans per second! */ | |
459 | tempscanspermin++; | |
460 | if ((lastscants+60) <= time(NULL)) | |
461 | { | |
462 | /* ok, at least 60 seconds has passed, calculate the scans per minute figure */ | |
463 | scantmp = time(NULL) - lastscants; | |
464 | scantmp = tempscanspermin / scantmp; | |
465 | scantmp = (scantmp * 60); | |
466 | scanspermin = scantmp; | |
467 | lastscants = time(NULL); | |
468 | tempscanspermin = 0; | |
469 | } | |
470 | } | |
c86edd1d Q |
471 | |
472 | sp=getscan(); | |
473 | ||
474 | sp->outcome=SOUTCOME_INPROGRESS; | |
475 | sp->port=port; | |
557c8cb2 | 476 | sp->node=node; |
c86edd1d Q |
477 | sp->type=type; |
478 | sp->class=class; | |
479 | sp->bytesread=0; | |
480 | sp->totalbytesread=0; | |
481 | memset(sp->readbuf, '\0', PSCAN_READBUFSIZE); | |
482 | ||
3e986f5e | 483 | sp->fd=createconnectsocket(&((patricia_node_t *)sp->node)->prefix->sin,sp->port); |
c86edd1d Q |
484 | sp->state=SSTATE_CONNECTING; |
485 | if (sp->fd<0) { | |
486 | /* Couldn't set up the socket? */ | |
919fa66b | 487 | derefnode(iptree,sp->node); |
c86edd1d Q |
488 | freescan(sp); |
489 | return; | |
490 | } | |
491 | /* Wait until it is writeable */ | |
492 | registerhandler(sp->fd,POLLERR|POLLHUP|POLLOUT,&handlescansock); | |
493 | /* And set a timeout */ | |
494 | sp->sch=scheduleoneshot(time(NULL)+SCANTIMEOUT,&timeoutscansock,(void *)sp); | |
495 | addscantohash(sp); | |
496 | } | |
497 | ||
498 | void timeoutscansock(void *arg) { | |
499 | scan *sp=(scan *)arg; | |
500 | ||
501 | killsock(sp, SOUTCOME_CLOSED); | |
502 | } | |
503 | ||
504 | void killsock(scan *sp, int outcome) { | |
505 | int i; | |
506 | cachehost *chp; | |
507 | foundproxy *fpp; | |
bef1f120 | 508 | time_t now; |
c86edd1d Q |
509 | |
510 | scansdone++; | |
511 | scansbyclass[sp->class]++; | |
512 | ||
513 | /* Remove the socket from the schedule/event lists */ | |
514 | deregisterhandler(sp->fd,1); /* this will close the fd for us */ | |
515 | deleteschedule(sp->sch,&timeoutscansock,(void *)sp); | |
516 | ||
517 | sp->outcome=outcome; | |
518 | delscanfromhash(sp); | |
519 | ||
520 | /* See if we need to queue another scan.. */ | |
521 | if (sp->outcome==SOUTCOME_CLOSED && | |
522 | ((sp->class==SCLASS_CHECK) || | |
523 | (sp->class==SCLASS_NORMAL && (sp->state==SSTATE_SENTREQUEST || sp->state==SSTATE_GOTRESPONSE)))) | |
557c8cb2 | 524 | queuescan(sp->node, sp->type, sp->port, SCLASS_PASS2, time(NULL)+300); |
c86edd1d Q |
525 | |
526 | if (sp->outcome==SOUTCOME_CLOSED && sp->class==SCLASS_PASS2) | |
557c8cb2 | 527 | queuescan(sp->node, sp->type, sp->port, SCLASS_PASS3, time(NULL)+300); |
c86edd1d Q |
528 | |
529 | if (sp->outcome==SOUTCOME_CLOSED && sp->class==SCLASS_PASS3) | |
557c8cb2 | 530 | queuescan(sp->node, sp->type, sp->port, SCLASS_PASS4, time(NULL)+300); |
c86edd1d Q |
531 | |
532 | if (sp->outcome==SOUTCOME_OPEN) { | |
533 | hitsbyclass[sp->class]++; | |
534 | ||
535 | /* Lets try and get the cache record. If there isn't one, make a new one. */ | |
557c8cb2 P |
536 | if (!(chp=findcachehost(sp->node))) { |
537 | chp=addcleanhost(time(NULL)); | |
538 | patricia_ref_prefix(sp->node->prefix); | |
a8ba1373 | 539 | sp->node->exts[ps_cache_ext] = chp; |
557c8cb2 | 540 | } |
c86edd1d Q |
541 | /* Stick it on the cache's list of proxies, if necessary */ |
542 | for (fpp=chp->proxies;fpp;fpp=fpp->next) | |
543 | if (fpp->type==sp->type && fpp->port==sp->port) | |
544 | break; | |
545 | ||
546 | if (!fpp) { | |
547 | fpp=getfoundproxy(); | |
548 | fpp->type=sp->type; | |
549 | fpp->port=sp->port; | |
550 | fpp->next=chp->proxies; | |
551 | chp->proxies=fpp; | |
552 | } | |
bef1f120 CP |
553 | |
554 | now=time(NULL); | |
555 | /* the purpose of this lastgline stuff is to stop gline spam from one scan */ | |
556 | if (!chp->glineid || (now>=chp->lastgline+SCANTIMEOUT)) { | |
05dc4fd5 CP |
557 | char buf[512]; |
558 | const char *ip; | |
559 | ||
bef1f120 | 560 | chp->lastgline=now; |
c86edd1d | 561 | glinedhosts++; |
05dc4fd5 | 562 | |
bef1f120 | 563 | loggline(chp, sp->node); |
05dc4fd5 | 564 | ip = IPtostr(((patricia_node_t *)sp->node)->prefix->sin); |
68e41288 | 565 | irc_send("%s GL * +*@%s 1800 %jd :Open Proxy, see http://www.quakenet.org/openproxies.html - ID: %d", |
05dc4fd5 CP |
566 | mynumeric->content,ip,(intmax_t)getnettime(), chp->glineid); |
567 | Error("proxyscan",ERR_DEBUG,"Found open proxy on host %s",ip); | |
568 | ||
569 | snprintf(buf, sizeof(buf), "proxy-gline %lu %s %s %hu %s", time(NULL), ip, scantostr(sp->type), sp->port, "irc.quakenet.org"); | |
570 | triggerhook(HOOK_SHADOW_SERVER, (void *)buf); | |
c86edd1d | 571 | } else { |
557c8cb2 | 572 | loggline(chp, sp->node); /* Update log only */ |
c86edd1d Q |
573 | } |
574 | ||
575 | /* Update counter */ | |
576 | for(i=0;i<numscans;i++) { | |
577 | if (thescans[i].type==sp->type && thescans[i].port==sp->port) { | |
578 | thescans[i].hits++; | |
579 | break; | |
580 | } | |
581 | } | |
582 | } | |
583 | ||
9ae689d8 P |
584 | /* deref prefix (referenced in queuescan) */ |
585 | derefnode(iptree,sp->node); | |
c86edd1d Q |
586 | freescan(sp); |
587 | ||
588 | /* kick the queue.. */ | |
589 | startqueuedscans(); | |
590 | } | |
591 | ||
592 | void handlescansock(int fd, short events) { | |
593 | scan *sp; | |
594 | char buf[512]; | |
595 | int res; | |
596 | int i; | |
597 | unsigned long netip; | |
598 | unsigned short netport; | |
599 | ||
600 | if ((sp=findscan(fd))==NULL) { | |
601 | /* Not found; return and hope it goes away */ | |
602 | Error("proxyscan",ERR_ERROR,"Unexpected message from fd %d",fd); | |
603 | return; | |
604 | } | |
605 | ||
606 | /* It woke up, delete the alarm call.. */ | |
607 | deleteschedule(sp->sch,&timeoutscansock,(void *)sp); | |
608 | ||
609 | if (events & (POLLERR|POLLHUP)) { | |
610 | /* Some kind of error; give up on this socket */ | |
611 | if (sp->state==SSTATE_GOTRESPONSE) { | |
612 | /* If the error occured while we were waiting for a response, we might have | |
613 | * received the "OPEN PROXY!" message and the EOF at the same time, so continue | |
614 | * processing */ | |
615 | /* Error("proxyscan",ERR_DEBUG,"Got error in GOTRESPONSE state for %s, continuing.",IPtostr(sp->host->IP)); */ | |
616 | } else { | |
617 | killsock(sp, SOUTCOME_CLOSED); | |
618 | return; | |
619 | } | |
620 | } | |
621 | ||
622 | /* Otherwise, we got what we wanted.. */ | |
623 | ||
624 | switch(sp->state) { | |
625 | case SSTATE_CONNECTING: | |
626 | /* OK, we got activity while connecting, so we're going to send some | |
627 | * request depending on scan type. However, we can reregister everything | |
628 | * here to save duplicate code: This code is common for all handlers */ | |
629 | ||
630 | /* Delete the old handler */ | |
631 | deregisterhandler(fd,0); | |
632 | /* Set the new one */ | |
633 | registerhandler(fd,POLLERR|POLLHUP|POLLIN,&handlescansock); | |
634 | sp->sch=scheduleoneshot(time(NULL)+SCANTIMEOUT,&timeoutscansock,(void *)sp); | |
635 | /* Update state */ | |
636 | sp->state=SSTATE_SENTREQUEST; | |
637 | ||
638 | switch(sp->type) { | |
639 | case STYPE_HTTP: | |
640 | sprintf(buf,"CONNECT %s:%d HTTP/1.0\r\n\r\n",myipstr->content,listenport); | |
641 | if ((write(fd,buf,strlen(buf)))<strlen(buf)) { | |
642 | /* We didn't write the full amount, DIE */ | |
643 | killsock(sp,SOUTCOME_CLOSED); | |
644 | return; | |
645 | } | |
646 | break; | |
647 | ||
648 | case STYPE_SOCKS4: | |
649 | /* set up the buffer */ | |
650 | netip=htonl(myip); | |
651 | netport=htons(listenport); | |
652 | memcpy(&buf[4],&netip,4); | |
653 | memcpy(&buf[2],&netport,2); | |
654 | buf[0]=4; | |
655 | buf[1]=1; | |
656 | buf[8]=0; | |
657 | if ((write(fd,buf,9))<9) { | |
658 | /* Didn't write enough, give up */ | |
659 | killsock(sp,SOUTCOME_CLOSED); | |
660 | return; | |
661 | } | |
662 | break; | |
663 | ||
664 | case STYPE_SOCKS5: | |
665 | /* Set up initial request buffer */ | |
666 | buf[0]=5; | |
667 | buf[1]=1; | |
668 | buf[2]=0; | |
669 | if ((write(fd,buf,3))>3) { | |
670 | /* Didn't write enough, give up */ | |
671 | killsock(sp,SOUTCOME_CLOSED); | |
672 | return; | |
673 | } | |
674 | ||
675 | /* Now the actual connect request */ | |
676 | buf[0]=5; | |
677 | buf[1]=1; | |
678 | buf[2]=0; | |
679 | buf[3]=1; | |
680 | netip=htonl(myip); | |
681 | netport=htons(listenport); | |
682 | memcpy(&buf[4],&netip,4); | |
683 | memcpy(&buf[8],&netport,2); | |
684 | res=write(fd,buf,10); | |
685 | if (res<10) { | |
686 | killsock(sp,SOUTCOME_CLOSED); | |
687 | return; | |
688 | } | |
689 | break; | |
690 | ||
691 | case STYPE_WINGATE: | |
692 | /* Send wingate request */ | |
693 | sprintf(buf,"%s:%d\r\n",myipstr->content,listenport); | |
694 | if((write(fd,buf,strlen(buf)))<strlen(buf)) { | |
695 | killsock(sp,SOUTCOME_CLOSED); | |
696 | return; | |
697 | } | |
698 | break; | |
699 | ||
700 | case STYPE_CISCO: | |
701 | /* Send cisco request */ | |
702 | sprintf(buf,"cisco\r\n"); | |
703 | if ((write(fd,buf,strlen(buf)))<strlen(buf)) { | |
704 | killsock(sp, SOUTCOME_CLOSED); | |
705 | return; | |
706 | } | |
707 | ||
708 | sprintf(buf,"telnet %s %d\r\n",myipstr->content,listenport); | |
709 | if ((write(fd,buf,strlen(buf)))<strlen(buf)) { | |
710 | killsock(sp, SOUTCOME_CLOSED); | |
711 | return; | |
712 | } | |
713 | ||
905c2ba2 | 714 | break; |
715 | ||
716 | case STYPE_DIRECT: | |
717 | /* Do nothing */ | |
c86edd1d | 718 | break; |
c7be40f8 CP |
719 | |
720 | case STYPE_DIRECT_IRC: | |
721 | sprintf(buf,"PRIVMSG\r\n"); | |
722 | if ((write(fd,buf,strlen(buf)))<strlen(buf)) { | |
723 | killsock(sp, SOUTCOME_CLOSED); | |
724 | return; | |
725 | } | |
726 | ||
e95140be CP |
727 | /* Do nothing */ |
728 | break; | |
729 | ||
730 | case STYPE_ROUTER: | |
731 | sprintf(buf,"GET /nonexistent HTTP/1.0\r\n\r\n"); | |
732 | if ((write(fd,buf,strlen(buf)))<strlen(buf)) { | |
733 | killsock(sp, SOUTCOME_CLOSED); | |
734 | return; | |
735 | } | |
736 | ||
c7be40f8 CP |
737 | /* Do nothing */ |
738 | break; | |
c86edd1d Q |
739 | } |
740 | break; | |
741 | ||
742 | case SSTATE_SENTREQUEST: | |
743 | res=read(fd, sp->readbuf+sp->bytesread, PSCAN_READBUFSIZE-sp->bytesread); | |
744 | ||
745 | if (res<=0) { | |
746 | if ((errno!=EINTR && errno!=EWOULDBLOCK) || res==0) { | |
747 | /* EOF, forget it */ | |
748 | killsock(sp, SOUTCOME_CLOSED); | |
749 | return; | |
750 | } | |
751 | } | |
752 | ||
753 | sp->bytesread+=res; | |
754 | sp->totalbytesread+=res; | |
c7be40f8 CP |
755 | |
756 | { | |
757 | char *magicstring; | |
758 | int magicstringlength; | |
759 | ||
e95140be | 760 | if(sp->type == STYPE_DIRECT_IRC) { |
c7be40f8 CP |
761 | magicstring = MAGICIRCSTRING; |
762 | magicstringlength = MAGICIRCSTRINGLENGTH; | |
e95140be CP |
763 | } else if(sp->type == STYPE_ROUTER) { |
764 | magicstring = MAGICROUTERSTRING; | |
765 | magicstringlength = MAGICROUTERSTRINGLENGTH; | |
766 | } else { | |
767 | magicstring = MAGICSTRING; | |
768 | magicstringlength = MAGICSTRINGLENGTH; | |
c7be40f8 CP |
769 | } |
770 | ||
771 | for (i=0;i<sp->bytesread - magicstringlength;i++) { | |
772 | if (!strncmp(sp->readbuf+i, magicstring, magicstringlength)) { | |
773 | /* Found the magic string */ | |
774 | /* If the offset is 0, this means it was the first thing we got from the socket, | |
775 | * so it's an actual IRCD (sheesh). Note that when the buffer is full and moved, | |
776 | * the thing moved to offset 0 would previously have been tested as offset | |
777 | * PSCAN_READBUFSIZE/2. | |
778 | * | |
779 | * Skip this checking for STYPE_DIRECT scans, which are used to detect trojans setting | |
780 | * up portforwards (which will therefore show up as ircds, we rely on the port being | |
781 | * strange enough to avoid false positives */ | |
782 | if (i==0 && (sp->type != STYPE_DIRECT)) { | |
783 | killsock(sp, SOUTCOME_CLOSED); | |
784 | return; | |
785 | } | |
786 | ||
787 | killsock(sp, SOUTCOME_OPEN); | |
c86edd1d Q |
788 | return; |
789 | } | |
c86edd1d Q |
790 | } |
791 | } | |
792 | ||
793 | /* If the buffer is full, move half of it along to make room */ | |
794 | if (sp->bytesread == PSCAN_READBUFSIZE) { | |
795 | memcpy(sp->readbuf, sp->readbuf + (PSCAN_READBUFSIZE)/2, PSCAN_READBUFSIZE/2); | |
796 | sp->bytesread = PSCAN_READBUFSIZE/2; | |
797 | } | |
798 | ||
799 | /* Don't read data forever.. */ | |
800 | if (sp->totalbytesread > READ_SANITY_LIMIT) { | |
801 | killsock(sp, SOUTCOME_CLOSED); | |
802 | return; | |
803 | } | |
804 | ||
805 | /* No magic string yet, we schedule another timeout in case it comes later. */ | |
806 | sp->sch=scheduleoneshot(time(NULL)+SCANTIMEOUT,&timeoutscansock,(void *)sp); | |
807 | return; | |
808 | } | |
809 | } | |
810 | ||
811 | void killallscans() { | |
812 | int i; | |
813 | scan *sp; | |
814 | cachehost *chp; | |
815 | ||
816 | for(i=0;i<SCANHASHSIZE;i++) { | |
817 | for(sp=scantable[i];sp;sp=sp->next) { | |
818 | /* If there is a pending scan, delete it's clean host record.. */ | |
a8ba1373 P |
819 | if ((chp=findcachehost(sp->node)) && !chp->proxies) { |
820 | sp->node->exts[ps_cache_ext] = NULL; | |
821 | derefnode(iptree,sp->node); | |
c86edd1d | 822 | delcachehost(chp); |
a8ba1373 | 823 | } |
c86edd1d Q |
824 | |
825 | if (sp->fd!=-1) { | |
826 | deregisterhandler(sp->fd,1); | |
827 | deleteschedule(sp->sch,&timeoutscansock,(void *)(sp)); | |
828 | } | |
829 | } | |
830 | } | |
831 | } | |
832 | ||
833 | void proxyscanstats(int hooknum, void *arg) { | |
834 | char buf[512]; | |
835 | ||
836 | sprintf(buf, "Proxyscn: %6d/%4d scans complete/in progress. %d hosts queued.", | |
837 | scansdone,activescans,queuedhosts); | |
838 | triggerhook(HOOK_CORE_STATSREPLY,buf); | |
839 | sprintf(buf, "Proxyscn: %6u known clean hosts",cleancount()); | |
840 | triggerhook(HOOK_CORE_STATSREPLY,buf); | |
841 | } | |
842 | ||
843 | void sendlagwarning() { | |
844 | int i,j; | |
845 | nick *np; | |
846 | ||
847 | for (i=0;i<MAXSERVERS;i++) { | |
848 | if (serverlist[i].maxusernum>0) { | |
849 | for(j=0;j<serverlist[i].maxusernum;j++) { | |
850 | np=servernicks[i][j]; | |
851 | if (np!=NULL && IsOper(np)) { | |
852 | sendnoticetouser(proxyscannick,np,"Warning: More than 20,000 hosts to scan - I'm lagging behind badly!"); | |
853 | } | |
854 | } | |
855 | } | |
856 | } | |
857 | } | |
858 | ||
905c2ba2 | 859 | int pscansort(const void *a, const void *b) { |
860 | int ra = *((const int *)a); | |
861 | int rb = *((const int *)b); | |
862 | ||
863 | return thescans[ra].hits - thescans[rb].hits; | |
864 | } | |
865 | ||
7ab80d0c P |
866 | int proxyscandostatus(void *sender, int cargc, char **cargv) { |
867 | nick *np = (nick *) sender; | |
c86edd1d Q |
868 | int i; |
869 | int totaldetects=0; | |
905c2ba2 | 870 | int ord[PSCAN_MAXSCANS]; |
c86edd1d | 871 | |
2220c058 | 872 | sendnoticetouser(proxyscannick,np,"Service uptime: %s",longtoduration(time(NULL)-ps_starttime, 1)); |
c86edd1d Q |
873 | sendnoticetouser(proxyscannick,np,"Total scans completed: %d",scansdone); |
874 | sendnoticetouser(proxyscannick,np,"Total hosts glined: %d",glinedhosts); | |
875 | ||
c651da74 | 876 | sendnoticetouser(proxyscannick,np,"pendingscan structures: %lu x %lu bytes = %lu bytes total",countpendingscan, |
92f1d9e3 D |
877 | sizeof(pendingscan), (countpendingscan * sizeof(pendingscan))); |
878 | ||
c86edd1d | 879 | sendnoticetouser(proxyscannick,np,"Currently active scans: %d/%d",activescans,maxscans); |
92f1d9e3 | 880 | sendnoticetouser(proxyscannick,np,"Processing speed: %lu scans per minute",scanspermin); |
c86edd1d Q |
881 | sendnoticetouser(proxyscannick,np,"Normal queued scans: %d",normalqueuedscans); |
882 | sendnoticetouser(proxyscannick,np,"Timed queued scans: %d",prioqueuedscans); | |
883 | sendnoticetouser(proxyscannick,np,"'Clean' cached hosts: %d",cleancount()); | |
884 | sendnoticetouser(proxyscannick,np,"'Dirty' cached hosts: %d",dirtycount()); | |
557c8cb2 P |
885 | |
886 | sendnoticetouser(proxyscannick,np,"Extra scans: %d", extrascancount()); | |
c86edd1d Q |
887 | for (i=0;i<5;i++) |
888 | sendnoticetouser(proxyscannick,np,"Open proxies, class %1d: %d/%d (%.2f%%)",i,hitsbyclass[i],scansbyclass[i],((float)hitsbyclass[i]*100)/scansbyclass[i]); | |
889 | ||
890 | for (i=0;i<numscans;i++) | |
891 | totaldetects+=thescans[i].hits; | |
892 | ||
905c2ba2 | 893 | for (i=0;i<numscans;i++) |
894 | ord[i]=i; | |
895 | ||
896 | qsort(ord,numscans,sizeof(int),pscansort); | |
897 | ||
c86edd1d Q |
898 | sendnoticetouser(proxyscannick,np,"Scan type Port Detections"); |
899 | for (i=0;i<numscans;i++) | |
900 | sendnoticetouser(proxyscannick,np,"%-9s %-5d %d (%.2f%%)", | |
905c2ba2 | 901 | scantostr(thescans[ord[i]].type), thescans[ord[i]].port, thescans[ord[i]].hits, ((float)thescans[ord[i]].hits*100)/totaldetects); |
c86edd1d Q |
902 | |
903 | sendnoticetouser(proxyscannick,np,"End of list."); | |
7ab80d0c | 904 | return CMD_OK; |
c86edd1d Q |
905 | } |
906 | ||
7ab80d0c | 907 | int proxyscandebug(void *sender, int cargc, char **cargv) { |
c86edd1d Q |
908 | /* Dump all scans.. */ |
909 | int i; | |
910 | int activescansfound=0; | |
911 | int totalscansfound=0; | |
912 | scan *sp; | |
7ab80d0c | 913 | nick *np = (nick *)sender; |
c86edd1d Q |
914 | |
915 | sendnoticetouser(proxyscannick,np,"Active scans : %d",activescans); | |
916 | ||
917 | for (i=0;i<SCANHASHSIZE;i++) { | |
918 | for (sp=scantable[i];sp;sp=sp->next) { | |
919 | if (sp->outcome==SOUTCOME_INPROGRESS) { | |
920 | activescansfound++; | |
921 | } | |
922 | totalscansfound++; | |
923 | sendnoticetouser(proxyscannick,np,"fd: %d type: %d port: %d state: %d outcome: %d IP: %s", | |
557c8cb2 | 924 | sp->fd,sp->type,sp->port,sp->state,sp->outcome,IPtostr(((patricia_node_t *)sp->node)->prefix->sin)); |
c86edd1d Q |
925 | } |
926 | } | |
927 | ||
7ab80d0c P |
928 | sendnoticetouser(proxyscannick,np,"Total %d scans actually found (%d active)",totalscansfound,activescansfound); |
929 | return CMD_OK; | |
930 | } | |
931 | ||
932 | void proxyscan_onconnect(int hooknum, void *arg) { | |
933 | ps_ready = 1; | |
934 | ||
935 | /* kick the queue.. */ | |
936 | startqueuedscans(); | |
937 | } | |
938 | ||
939 | int proxyscandosave(void *sender, int cargc, char **cargv) { | |
940 | nick *np = (nick *)sender; | |
941 | ||
942 | sendnoticetouser(proxyscannick,np,"Saving cached hosts..."); | |
943 | dumpcachehosts(NULL); | |
944 | sendnoticetouser(proxyscannick,np,"Done."); | |
945 | return CMD_OK; | |
946 | } | |
947 | ||
948 | int proxyscandospew(void *sender, int cargc, char **cargv) { | |
949 | nick *np = (nick *)sender; | |
950 | ||
5de2923d CP |
951 | if(cargc < 1) |
952 | return CMD_USAGE; | |
953 | ||
7ab80d0c P |
954 | /* check our database for the ip supplied */ |
955 | unsigned long a,b,c,d; | |
956 | if (4 != sscanf(cargv[0],"%lu.%lu.%lu.%lu",&a,&b,&c,&d)) { | |
957 | sendnoticetouser(proxyscannick,np,"Usage: spew x.x.x.x"); | |
958 | } else { | |
959 | /* check db */ | |
960 | proxyscanspewip(proxyscannick,np,a,b,c,d); | |
961 | } | |
962 | return CMD_OK; | |
963 | } | |
964 | ||
965 | int proxyscandoshowkill(void *sender, int cargc, char **cargv) { | |
966 | nick *np = (nick *)sender; | |
967 | ||
5de2923d CP |
968 | if(cargc < 1) |
969 | return CMD_USAGE; | |
970 | ||
7ab80d0c P |
971 | /* check our database for the id supplied */ |
972 | unsigned long a; | |
973 | if (1 != sscanf(cargv[0],"%lu",&a)) { | |
974 | sendnoticetouser(proxyscannick,np,"Usage: showkill <id>"); | |
975 | } else { | |
976 | /* check db */ | |
977 | proxyscanshowkill(proxyscannick,np,a); | |
978 | } | |
979 | return CMD_OK; | |
980 | } | |
981 | ||
883d13a2 CP |
982 | void startnickscan(nick *np) { |
983 | time_t t = time(NULL); | |
984 | int i; | |
985 | for(i=0;i<numscans;i++) { | |
986 | /* @@@TODO: we allow a forced scan to scan the same IP multiple times atm */ | |
987 | queuescan(np->ipnode,thescans[i].type,thescans[i].port,SCLASS_NORMAL,t); | |
988 | } | |
989 | } | |
990 | ||
7ab80d0c P |
991 | int proxyscandoscan(void *sender, int cargc, char **cargv) { |
992 | nick *np = (nick *)sender; | |
993 | patricia_node_t *node; | |
994 | struct irc_in_addr sin; | |
995 | unsigned char bits; | |
996 | int i; | |
997 | ||
5de2923d CP |
998 | if(cargc < 1) |
999 | return CMD_USAGE; | |
1000 | ||
7ab80d0c P |
1001 | if (0 == ipmask_parse(cargv[0],&sin, &bits)) { |
1002 | sendnoticetouser(proxyscannick,np,"Usage: scan <ip>"); | |
1003 | } else { | |
3e986f5e CP |
1004 | if (bits != 128 || irc_in_addr_is_loopback(&sin)) { |
1005 | sendnoticetouser(proxyscannick,np,"You may only scan single IP's"); | |
9ae689d8 P |
1006 | return CMD_OK; |
1007 | } | |
1008 | ||
883d13a2 | 1009 | time_t t; |
7ab80d0c P |
1010 | sendnoticetouser(proxyscannick,np,"Forcing scan of %s",IPtostr(sin)); |
1011 | // * Just queue the scans directly here.. plonk them on the priority queue * / | |
1012 | node = refnode(iptree, &sin, bits); /* node leaks node here - should only allow to scan a nick? */ | |
883d13a2 | 1013 | t = time(NULL); |
7ab80d0c P |
1014 | for(i=0;i<numscans;i++) { |
1015 | /* @@@TODO: we allow a forced scan to scan the same IP multiple times atm */ | |
883d13a2 | 1016 | queuescan(node,thescans[i].type,thescans[i].port,SCLASS_NORMAL,t); |
557c8cb2 | 1017 | } |
7ab80d0c P |
1018 | } |
1019 | return CMD_OK; | |
1020 | } | |
557c8cb2 | 1021 | |
7ab80d0c P |
1022 | int proxyscandoaddscan(void *sender, int cargc, char **cargv) { |
1023 | nick *np = (nick *)sender; | |
1024 | ||
5de2923d CP |
1025 | if(cargc < 1) |
1026 | return CMD_USAGE; | |
1027 | ||
7ab80d0c P |
1028 | unsigned int a,b; |
1029 | if (sscanf(cargv[0],"%u %u",&a,&b) != 2) { | |
1030 | sendnoticetouser(proxyscannick,np,"Usage: addscan <type> <port>"); | |
1031 | } else { | |
1032 | sendnoticetouser(proxyscannick,np,"Added scan type %u port %u",a,b); | |
1033 | proxyscan_addscantype(a,b); | |
1034 | scanall(a,b); | |
1035 | } | |
1036 | return CMD_OK; | |
1037 | } | |
1038 | ||
1039 | int proxyscandodelscan(void *sender, int cargc, char **cargv) { | |
1040 | nick *np = (nick *)sender; | |
1041 | ||
5de2923d CP |
1042 | if(cargc < 1) |
1043 | return CMD_USAGE; | |
1044 | ||
7ab80d0c P |
1045 | unsigned int a,b; |
1046 | if (sscanf(cargv[0],"%u %u",&a,&b) != 2) { | |
1047 | sendnoticetouser(proxyscannick,np,"Usage: delscan <type> <port>"); | |
1048 | } else { | |
1049 | sendnoticetouser(proxyscannick,np,"Delete scan type %u port %u",a,b); | |
1050 | proxyscan_delscantype(a,b); | |
1051 | } | |
1052 | return CMD_OK; | |
1053 | } | |
1054 | ||
1055 | int proxyscandoshowcommands(void *sender, int cargc, char **cargv) { | |
1056 | nick *np = (nick *)sender; | |
1057 | Command *cmdlist[100]; | |
1058 | int i,n; | |
1059 | ||
1060 | n=getcommandlist(ps_commands,cmdlist,100); | |
1061 | ||
1062 | sendnoticetouser(proxyscannick,np,"The following commands are registered at present:"); | |
1063 | for(i=0;i<n;i++) { | |
1064 | sendnoticetouser(proxyscannick,np,"%s",cmdlist[i]->command->content); | |
1065 | } | |
1066 | sendnoticetouser(proxyscannick,np,"End of list."); | |
1067 | return CMD_OK; | |
c86edd1d | 1068 | } |