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"
62 extern int openSockfd[MAXSOCKS];
64 extern bool unlimitcore;
65 extern struct sockaddr_in client,server;
66 extern char addrs[MAXBUF][255];
67 extern socklen_t length;
68 extern char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
70 extern char DisabledCommands[MAXBUF];
72 extern bool AllowHalfop;
73 extern bool AllowProtect;
74 extern bool AllowFounder;
76 extern std::vector<Module*> modules;
77 extern std::vector<std::string> module_names;
78 extern std::vector<ircd_module*> factory;
80 extern std::vector<InspSocket*> module_sockets;
82 extern SocketEngine* SE;
84 void ProcessUser(userrec* cu)
87 log(DEBUG,"Processing user with fd %d",cu->fd);
90 FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
93 result = cu->ReadData(data, 65535);
97 log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
100 log(DEBUG,"Read result: %d",result);
104 // perform a check on the raw buffer as an array (not a string!) to remove
105 // characters 0 and 7 which are illegal in the RFC - replace them with spaces.
106 // hopefully this should stop even more people whining about "Unknown command: *"
107 for (int checker = 0; checker < result; checker++)
109 if ((data[checker] == 0) || (data[checker] == 7))
114 userrec* current = cu;
115 int currfd = current->fd;
117 // add the data to the users buffer
120 if (!current->AddBuffer(data))
122 // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
123 if (current->registered == 7)
125 kill_link(current,"RecvQ exceeded");
129 WriteOpers("*** Excess flood from %s",current->ip);
130 log(DEFAULT,"Excess flood from: %s",current->ip);
131 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
136 if (current->recvq.length() > (unsigned)NetBufferSize)
138 if (current->registered == 7)
140 kill_link(current,"RecvQ exceeded");
144 WriteOpers("*** Excess flood from %s",current->ip);
145 log(DEFAULT,"Excess flood from: %s",current->ip);
146 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
151 // while there are complete lines to process...
152 while (current->BufferIsReady())
155 if (TIME > current->reset_due)
157 current->reset_due = TIME + current->threshold;
158 current->lines_in = 0;
161 if (current->lines_in > current->flood)
163 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
164 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
165 kill_link(current,"Excess flood");
168 if ((floodlines > current->flood) && (current->flood != 0))
170 if (current->registered == 7)
172 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
173 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
174 kill_link(current,"Excess flood");
178 add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
183 char sanitized[MAXBUF];
184 // use GetBuffer to copy single lines into the sanitized string
185 std::string single_line = current->GetBuffer();
186 current->bytes_in += single_line.length();
188 if (single_line.length()>512)
190 log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
191 WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
192 kill_link(current,"Excess flood");
195 strlcpy(sanitized,single_line.c_str(),MAXBUF);
198 userrec* old_comp = fd_ref_table[currfd];
199 // we're gonna re-scan to check if the nick is gone, after every
200 // command - if it has, we're gonna bail
201 process_buffer(sanitized,current);
202 // look for the user's record in case it's changed... if theyve quit,
203 // we cant do anything more with their buffer, so bail.
204 // there used to be an ugly, slow loop here. Now we have a reference
205 // table, life is much easier (and FASTER)
206 userrec* new_comp = fd_ref_table[currfd];
207 if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
213 /* The user is still here, flush their buffer */
214 current->FlushWriteBuf();
220 if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
222 log(DEBUG,"killing: %s",cu->nick);
223 kill_link(cu,strerror(errno));
227 // result EAGAIN means nothing read
228 else if (result == EAGAIN)
231 else if (result == 0)
233 log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
234 kill_link(cu,"Client exited");
235 log(DEBUG,"Bailing from client exit");
242 * This function is called once a second from the mainloop.
243 * It is intended to do background checking on all the user structs, e.g.
244 * stuff like ping checks, registration timeouts, etc.
245 * The function returns false when it is finished, and true if
246 * it needs to be run again (e.g. it has processed one of a batch of
247 * QUIT messages, but couldnt continue iterating because the iterator
248 * became invalid). This function is also responsible for checking
249 * if InspSocket derived classes are timed out.
251 bool DoBackgroundUserStuff(time_t TIME)
253 unsigned int numsockets = module_sockets.size();
254 for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
256 InspSocket* s = (InspSocket*)*a;
257 if (s->Timeout(TIME))
259 log(DEBUG,"Socket poll returned false, close and bail");
260 SE->DelFd(s->GetFd());
262 module_sockets.erase(a);
266 if (module_sockets.size() != numsockets) break;
268 /* TODO: We need a seperate hash containing only local users for this
270 for (user_hash::iterator count2 = clientlist.begin(); count2 != clientlist.end(); count2++)
272 /* Sanity checks for corrupted iterators (yes, really) */
273 userrec* curr = NULL;
275 curr = count2->second;
276 if ((long)curr == -1)
279 if ((curr) && (curr->fd != 0))
281 int currfd = curr->fd;
282 // we don't check the state of remote users.
283 if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
285 curr->FlushWriteBuf();
286 if (curr->GetWriteError() != "")
288 log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
289 kill_link(curr,curr->GetWriteError().c_str());
292 // registration timeout -- didnt send USER/NICK/HOST in the time specified in
293 // their connection class.
294 if (((unsigned)TIME > (unsigned)curr->timeout) && (curr->registered != 7))
296 log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
297 kill_link(curr,"Registration timeout");
300 if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
302 log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
303 curr->dns_done = true;
305 FullConnectUser(curr);
306 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
309 if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
311 log(DEBUG,"dns done, registered=3, and modules ready, OK");
312 FullConnectUser(curr);
313 if (fd_ref_table[currfd] != curr) // something changed, bail pronto
316 if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
318 if ((!curr->lastping) && (curr->registered == 7))
320 log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
321 kill_link(curr,"Ping timeout");
324 Write(curr->fd,"PING :%s",ServerName);
325 log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
327 curr->nping = TIME+curr->pingmax; // was hard coded to 120
335 void OpenLog(char** argv, int argc)
337 std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
338 log_file = fopen(logpath.c_str(),"a+");
341 printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
345 printf("Logging to ircd.log...\n");
347 printf("Logging to %s...\n",logpath.c_str());
356 printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
357 log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
367 printf("WARNING: %s\n\n",DieValue);
368 log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
373 void LoadAllModules()
375 /* We must load the modules AFTER initializing the socket engine, now */
377 for (int count = 0; count < ConfValueEnum("module",&config_f); count++)
379 ConfValue("module","name",count,configToken,&config_f);
380 printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
381 if (!LoadModule(configToken))
383 log(DEFAULT,"Exiting due to a module loader error.");
384 printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
388 log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);