1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 /* Now with added unF! ;) */
21 #include "inspircd_config.h"
22 #include "configreader.h"
25 #include <sys/errno.h>
26 #include <sys/ioctl.h>
27 #include <sys/utsname.h>
30 #include <ext/hash_map>
44 #include "inspstring.h"
45 #include "helperfuncs.h"
47 #include "socketengine.h"
48 #include "userprocess.h"
51 #include "command_parse.h"
52 #include "cull_list.h"
54 extern struct sockaddr_in client,server;
55 extern socklen_t length;
56 extern std::vector<Module*> modules;
57 extern std::vector<ircd_module*> factory;
59 extern time_t OLDTIME;
62 void InspIRCd::ProcessUser(userrec* cu)
66 if (cu->fd == FD_MAGIC_NUMBER)
69 log(DEBUG,"Processing user with fd %d",cu->fd);
71 if (this->Config->GetIOHook(cu->GetPort()))
78 MOD_RESULT = this->Config->GetIOHook(cu->GetPort())->OnRawSocketRead(cu->fd,data,65535,result2);
79 log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
81 catch (ModuleException& modexcept)
83 log(DEBUG,"Module exception caught: %s",modexcept.GetReason());
97 result = cu->ReadData(data, 65535);
100 log(DEBUG,"Read result: %d",result);
102 if ((result) && (result != -EAGAIN))
108 this->stats->statsRecv += result;
110 * perform a check on the raw buffer as an array (not a string!) to remove
111 * character 0 which is illegal in the RFC - replace them with spaces.
112 * XXX - no garauntee there's not \0's in the middle of the data,
113 * and no reason for it to be terminated either. -- Om
116 for (int checker = 0; checker < result; checker++)
118 if (data[checker] == 0)
126 currfd = current->fd;
128 // add the data to the users buffer
131 if (!current->AddBuffer(data))
133 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
134 if (current->registered == REG_ALL)
136 // Make sure they arn't flooding long lines.
137 if (TIME > current->reset_due)
139 current->reset_due = TIME + current->threshold;
140 current->lines_in = 0;
145 if (current->lines_in > current->flood)
147 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
148 this->WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
149 userrec::QuitUser(this, current,"Excess flood");
154 current->WriteServ("NOTICE %s :Your previous line was too long and was not delivered (Over 512chars) Please shorten it.", current->nick);
160 this->WriteOpers("*** Excess flood from %s",current->GetIPString());
161 log(DEFAULT,"Excess flood from: %s",current->GetIPString());
162 add_zline(120,this->Config->ServerName,"Flood from unregistered connection",current->GetIPString());
163 apply_lines(APPLY_ZLINES);
169 if (current->recvq.length() > (unsigned)this->Config->NetBufferSize)
171 if (current->registered == REG_ALL)
173 userrec::QuitUser(this, current,"RecvQ exceeded");
177 this->WriteOpers("*** Excess flood from %s",current->GetIPString());
178 log(DEFAULT,"Excess flood from: %s",current->GetIPString());
179 add_zline(120,this->Config->ServerName,"Flood from unregistered connection",current->GetIPString());
180 apply_lines(APPLY_ZLINES);
186 // while there are complete lines to process...
187 while (current->BufferIsReady())
189 if (TIME > current->reset_due)
191 current->reset_due = TIME + current->threshold;
192 current->lines_in = 0;
195 if (++current->lines_in > current->flood)
197 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
198 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
199 userrec::QuitUser(this, current,"Excess flood");
203 if ((++floodlines > current->flood) && (current->flood != 0))
205 if (current->registered == REG_ALL)
207 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
208 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
209 userrec::QuitUser(this, current,"Excess flood");
213 add_zline(120,this->Config->ServerName,"Flood from unregistered connection",current->GetIPString());
214 apply_lines(APPLY_ZLINES);
220 // use GetBuffer to copy single lines into the sanitized string
221 std::string single_line = current->GetBuffer();
222 current->bytes_in += single_line.length();
224 if (single_line.length() > 512)
225 single_line.resize(512);
227 userrec* old_comp = this->fd_ref_table[currfd];
229 this->Parser->ProcessBuffer(single_line,current);
231 * look for the user's record in case it's changed... if theyve quit,
232 * we cant do anything more with their buffer, so bail.
233 * there used to be an ugly, slow loop here. Now we have a reference
234 * table, life is much easier (and FASTER)
236 userrec* new_comp = this->fd_ref_table[currfd];
237 if ((currfd < 0) || (!this->fd_ref_table[currfd]) || (old_comp != new_comp))
243 /* The user is still here, flush their buffer */
244 current->FlushWriteBuf();
251 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
253 log(DEBUG,"killing: %s",cu->nick);
254 userrec::QuitUser(this,cu,strerror(errno));
259 // result EAGAIN means nothing read
260 else if ((result == EAGAIN) || (result == -EAGAIN))
264 else if (result == 0)
266 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
267 userrec::QuitUser(this,cu,"Client exited");
268 log(DEBUG,"Bailing from client exit");
273 void InspIRCd::DoSocketTimeouts(time_t TIME)
275 unsigned int numsockets = this->module_sockets.size();
276 SocketEngine* SE = this->SE;
278 for (std::vector<InspSocket*>::iterator a = this->module_sockets.begin(); a < this->module_sockets.end(); a++)
280 InspSocket* s = (InspSocket*)*a;
281 if ((s) && (s->GetFd() >= 0) && (s->GetFd() < MAX_DESCRIPTORS) && (this->socket_ref[s->GetFd()] != NULL) && (s->Timeout(TIME)))
283 log(DEBUG,"userprocess.cpp: Socket poll returned false, close and bail");
284 this->socket_ref[s->GetFd()] = NULL;
285 SE->DelFd(s->GetFd());
286 this->module_sockets.erase(a);
292 if (this->module_sockets.size() != numsockets)
298 * This function is called once a second from the mainloop.
299 * It is intended to do background checking on all the user structs, e.g.
300 * stuff like ping checks, registration timeouts, etc. This function is
301 * also responsible for checking if InspSocket derived classes are timed out.
303 void InspIRCd::DoBackgroundUserStuff(time_t TIME)
305 CullList GlobalGoners;
307 /* XXX: IT IS NOT SAFE TO USE AN ITERATOR HERE. DON'T EVEN THINK ABOUT IT. */
308 for (unsigned long count2 = 0; count2 != this->local_users.size(); count2++)
310 if (count2 >= this->local_users.size())
313 userrec* curr = this->local_users[count2];
318 * registration timeout -- didnt send USER/NICK/HOST
319 * in the time specified in their connection class.
321 if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != REG_ALL))
323 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
324 //ZapThisDns(curr->fd);
325 GlobalGoners.AddItem(curr,"Registration timeout");
329 * user has signed on with USER/NICK/PASS, and dns has completed, all the modules
330 * say this user is ok to proceed, fully connect them.
332 if ((TIME > curr->signon) && (curr->registered == REG_NICKUSER) && (AllModulesReportReady(curr)))
334 curr->dns_done = true;
335 //ZapThisDns(curr->fd);
336 this->stats->statsDnsBad++;
337 curr->FullConnect(&GlobalGoners);
340 if ((curr->dns_done) && (curr->registered == REG_NICKUSER) && (AllModulesReportReady(curr)))
342 log(DEBUG,"dns done, registered=3, and modules ready, OK");
343 curr->FullConnect(&GlobalGoners);
344 //ZapThisDns(curr->fd);
347 // It's time to PING this user. Send them a ping.
348 if ((TIME > curr->nping) && (curr->registered == REG_ALL))
350 // This user didn't answer the last ping, remove them
353 GlobalGoners.AddItem(curr,"Ping timeout");
355 curr->nping = TIME+curr->pingmax;
358 curr->Write("PING :%s",this->Config->ServerName);
360 curr->nping = TIME+curr->pingmax;
364 * We can flush the write buffer as the last thing we do, because if they
365 * match any of the above conditions its no use flushing their buffer anyway.
368 curr->FlushWriteBuf();
369 if (*curr->GetWriteError())
371 GlobalGoners.AddItem(curr,curr->GetWriteError());
379 /* Remove all the queued users who are due to be quit, free memory used. */
380 GlobalGoners.Apply();