1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2005 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"
23 #include "inspircd_io.h"
24 #include "inspircd_util.h"
27 #include <sys/errno.h>
28 #include <sys/ioctl.h>
29 #include <sys/utsname.h>
33 #include <ext/hash_map>
55 #include "inspstring.h"
57 #include "helperfuncs.h"
59 #include "socketengine.h"
63 extern struct sockaddr_in client,server;
64 extern socklen_t length;
65 extern std::vector<Module*> modules;
66 extern std::vector<ircd_module*> factory;
67 extern std::vector<InspSocket*> module_sockets;
69 extern time_t OLDTIME;
71 extern InspIRCd* ServerInstance;
72 extern SocketEngine* SE;
73 extern serverstats* stats;
74 extern ServerConfig *Config;
76 extern userrec* fd_ref_table[65536];
79 extern user_hash clientlist;
80 extern chan_hash chanlist;
82 void ProcessUser(userrec* cu)
85 log(DEBUG,"Processing user with fd %d",cu->fd);
88 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
91 result = cu->ReadData(data, 65535);
95 log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
98 log(DEBUG,"Read result: %d",result);
101 stats->statsRecv += result;
102 // perform a check on the raw buffer as an array (not a string!) to remove
103 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
104 // hopefully this should stop even more people whining about "Unknown command: *"
105 for (int checker = 0; checker < result; checker++)
107 if ((data[checker] == 0) || (data[checker] == 7))
112 userrec* current = cu;
113 int currfd = current->fd;
115 // add the data to the users buffer
118 if (!current->AddBuffer(data))
120 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
121 if (current->registered == 7)
123 kill_link(current,"RecvQ exceeded");
127 WriteOpers("*** Excess flood from %s",current->ip);
128 log(DEFAULT,"Excess flood from: %s",current->ip);
129 add_zline(120,Config->ServerName,"Flood from unregistered connection",current->ip);
130 apply_lines(APPLY_ZLINES);
134 if (current->recvq.length() > (unsigned)Config->NetBufferSize)
136 if (current->registered == 7)
138 kill_link(current,"RecvQ exceeded");
142 WriteOpers("*** Excess flood from %s",current->ip);
143 log(DEFAULT,"Excess flood from: %s",current->ip);
144 add_zline(120,Config->ServerName,"Flood from unregistered connection",current->ip);
145 apply_lines(APPLY_ZLINES);
149 // while there are complete lines to process...
150 while (current->BufferIsReady())
153 if (TIME > current->reset_due)
155 current->reset_due = TIME + current->threshold;
156 current->lines_in = 0;
159 if (current->lines_in > current->flood)
161 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
162 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
163 kill_link(current,"Excess flood");
166 if ((floodlines > current->flood) && (current->flood != 0))
168 if (current->registered == 7)
170 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
171 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
172 kill_link(current,"Excess flood");
176 add_zline(120,Config->ServerName,"Flood from unregistered connection",current->ip);
177 apply_lines(APPLY_ZLINES);
181 char sanitized[MAXBUF];
182 // use GetBuffer to copy single lines into the sanitized string
183 std::string single_line = current->GetBuffer();
184 current->bytes_in += single_line.length();
186 if (single_line.length()>512)
188 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
189 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
190 kill_link(current,"Excess flood");
193 strlcpy(sanitized,single_line.c_str(),MAXBUF);
196 userrec* old_comp = fd_ref_table[currfd];
197 // we're gonna re-scan to check if the nick is gone, after every
198 // command - if it has, we're gonna bail
199 process_buffer(sanitized,current);
200 // look for the user's record in case it's changed... if theyve quit,
201 // we cant do anything more with their buffer, so bail.
202 // there used to be an ugly, slow loop here. Now we have a reference
203 // table, life is much easier (and FASTER)
204 userrec* new_comp = fd_ref_table[currfd];
205 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
211 /* The user is still here, flush their buffer */
212 current->FlushWriteBuf();
218 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
220 log(DEBUG,"killing: %s",cu->nick);
221 kill_link(cu,strerror(errno));
225 // result EAGAIN means nothing read
226 else if (result == EAGAIN)
229 else if (result == 0)
231 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
232 kill_link(cu,"Client exited");
233 log(DEBUG,"Bailing from client exit");
240 * This function is called once a second from the mainloop.
241 * It is intended to do background checking on all the user structs, e.g.
242 * stuff like ping checks, registration timeouts, etc.
243 * The function returns false when it is finished, and true if
244 * it needs to be run again (e.g. it has processed one of a batch of
245 * QUIT messages, but couldnt continue iterating because the iterator
246 * became invalid). This function is also responsible for checking
247 * if InspSocket derived classes are timed out.
249 bool DoBackgroundUserStuff(time_t TIME)
251 unsigned int numsockets = module_sockets.size();
252 for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
254 InspSocket* s = (InspSocket*)*a;
255 if (s->Timeout(TIME))
257 log(DEBUG,"Socket poll returned false, close and bail");
258 SE->DelFd(s->GetFd());
260 module_sockets.erase(a);
264 if (module_sockets.size() != numsockets) break;
266 /* TODO: We need a seperate hash containing only local users for this
268 for (user_hash::iterator count2 = clientlist.begin(); count2 != clientlist.end(); count2++)
270 /* Sanity checks for corrupted iterators (yes, really) */
271 userrec* curr = NULL;
273 curr = count2->second;
274 if ((long)curr == -1)
277 if ((curr) && (curr->fd != 0)) /* XXX - why are we checking fd != 0? --w00t */
279 int currfd = curr->fd;
280 // we don't check the state of remote users.
283 curr->FlushWriteBuf();
284 if (curr->GetWriteError() != "")
286 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
287 kill_link(curr,curr->GetWriteError().c_str());
290 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
291 // their connection class.
292 if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != 7))
294 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
295 kill_link(curr,"Registration timeout");
298 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
300 log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
301 curr->dns_done = true;
302 stats->statsDnsBad++;
303 FullConnectUser(curr);
304 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
307 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
309 log(DEBUG,"dns done, registered=3, and modules ready, OK");
310 FullConnectUser(curr);
311 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
314 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
316 if ((!curr->lastping) && (curr->registered == 7))
318 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
319 kill_link(curr,"Ping timeout");
322 Write(curr->fd,"PING :%s",Config->ServerName);
323 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
325 curr->nping = TIME+curr->pingmax; // was hard coded to 120
333 void OpenLog(char** argv, int argc)
335 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
336 Config->log_file = fopen(logpath.c_str(),"a+");
337 if (!Config->log_file)
339 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
343 printf("Logging to ircd.log...\n");
345 printf("Logging to %s...\n",logpath.c_str());
354 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
355 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
363 if (*Config->DieValue)
365 printf("WARNING: %s\n\n",Config->DieValue);
366 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",Config->DieValue);
371 void LoadAllModules()
373 /* We must load the modules AFTER initializing the socket engine, now */
375 char configToken[MAXBUF];
376 for (int count = 0; count < Config->ConfValueEnum("module",&Config->config_f); count++)
378 Config->ConfValue("module","name",count,configToken,&Config->config_f);
379 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
380 if (!LoadModule(configToken))
382 log(DEFAULT,"Exiting due to a module loader error.");
383 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
387 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);