1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 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 * ---------------------------------------------------
18 #include "inspircd_io.h"
19 #include "inspircd_util.h"
20 #include "inspircd_config.h"
23 #include <sys/errno.h>
24 #include <sys/ioctl.h>
25 #include <sys/utsname.h>
30 #include <ext/hash_map>
42 #include "connection.h"
51 #include "inspstring.h"
57 extern std::vector<Module*> modules;
58 extern std::vector<ircd_module*> factory;
60 extern char ServerName[MAXBUF];
64 extern FILE *log_file;
65 extern char DNSServer[MAXBUF];
67 /* return 0 or 1 depending if users u and u2 share one or more common channels
68 * (used by QUIT, NICK etc which arent channel specific notices) */
70 int common_channels(userrec *u, userrec *u2)
74 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
77 for (int i = 0; i != MAXCHANS; i++)
79 for (int z = 0; z != MAXCHANS; z++)
81 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
83 if ((!strcasecmp(u->chans[i].channel->name,u2->chans[z].channel->name)) && (u->chans[i].channel) && (u2->chans[z].channel) && (u->registered == 7) && (u2->registered == 7))
85 if ((c_count(u)) && (c_count(u2)))
97 void safedelete(userrec *p)
101 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
102 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
108 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
112 void safedelete(chanrec *p)
118 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
122 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
127 void tidystring(char* str)
129 // strips out double spaces before a : parameter
132 bool go_again = true;
139 while ((str[0] == ' ') && (strlen(str)>0))
146 bool noparse = false;
149 while (a < strlen(str))
151 if ((a<strlen(str)-1) && (noparse==false))
153 if ((str[a] == ' ') && (str[a+1] == ' '))
155 log(DEBUG,"Tidied extra space out of string: %s",str);
163 if ((str[a] == ' ') && (str[a+1] == ':'))
169 temp[t++] = str[a++];
172 strlcpy(str,temp,MAXBUF);
176 /* chop a string down to 512 characters and preserve linefeed (irc max
183 log(DEBUG,"ERROR! Null string passed to chop()!");
187 FOREACH_MOD OnServerRaw(temp,false,NULL);
188 const char* str2 = temp.c_str();
189 snprintf(str,MAXBUF,"%s",str2);
190 if (strlen(str) >= 511)
195 log(DEBUG,"Excess line chopped.");
203 log(DEBUG,"Blocking: %d",s);
204 flags = fcntl(s, F_GETFL, 0);
205 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
208 void NonBlocking(int s)
211 log(DEBUG,"NonBlocking: %d",s);
212 flags = fcntl(s, F_GETFL, 0);
213 fcntl(s, F_SETFL, flags | O_NONBLOCK);
216 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
219 int fd = d.ReverseLookup(unresolvedHost);
222 time_t T = time(NULL)+1;
223 while ((!d.HasResult()) && (time(NULL)<T));
224 std::string ipaddr = d.GetResult();
225 strlcpy(resolvedHost,ipaddr.c_str(),MAXBUF);
226 return (ipaddr != "");
229 int c_count(userrec* u)
232 for (int i =0; i != MAXCHANS; i++)
233 if (u->chans[i].channel != NULL)
239 bool hasumode(userrec* user, char mode)
243 return (strchr(user->modes,mode)>0);
249 void ChangeName(userrec* user, const char* gecos)
251 if (!strcasecmp(user->server,ServerName))
254 FOREACH_RESULT(OnChangeLocalUserGECOS(user,gecos));
258 strlcpy(user->fullname,gecos,MAXBUF);
260 snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
261 NetSendToAll(buffer);
264 void ChangeDisplayedHost(userrec* user, const char* host)
266 if (!strcasecmp(user->server,ServerName))
269 FOREACH_RESULT(OnChangeLocalUserHost(user,host));
273 strlcpy(user->dhost,host,160);
275 snprintf(buffer,MAXBUF,"b %s %s",user->nick,host);
276 NetSendToAll(buffer);
279 /* verify that a user's ident and nickname is valid */
281 int isident(const char* n)
292 for (int i = 0; i != strlen(n); i++)
294 if ((n[i] < 33) || (n[i] > 125))
298 /* can't occur ANYWHERE in an Ident! */
299 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
308 int isnick(const char* n)
318 if (strlen(n) > NICKMAX-1)
322 for (int i = 0; i != strlen(n); i++)
324 if ((n[i] < 33) || (n[i] > 125))
328 /* can't occur ANYWHERE in a nickname! */
329 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
333 /* can't occur as the first char of a nickname... */
334 if ((strchr("0123456789",n[i])) && (!i))
342 /* returns the status character for a given user on a channel, e.g. @ for op,
343 * % for halfop etc. If the user has several modes set, the highest mode
344 * the user has must be returned. */
346 char* cmode(userrec *user, chanrec *chan)
348 if ((!user) || (!chan))
350 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
353 for (int i = 0; i != MAXCHANS; i++)
355 if (user->chans[i].channel)
357 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
359 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
363 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
367 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
378 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
379 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
380 * highest mode the user has must be returned. */
382 int cstatus(userrec *user, chanrec *chan)
384 if ((!chan) || (!user))
386 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
390 for (int i = 0; i != MAXCHANS; i++)
392 if (user->chans[i].channel)
394 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
396 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
400 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
404 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
408 return STATUS_NORMAL;
412 return STATUS_NORMAL;
415 /* returns 1 if user u has channel c in their record, 0 if not */
417 int has_channel(userrec *u, chanrec *c)
421 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
424 for (int i =0; i != MAXCHANS; i++)
426 if (u->chans[i].channel)
428 if (!strcasecmp(u->chans[i].channel->name,c->name))
438 void TidyBan(char *ban)
441 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
445 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
447 strlcpy(temp,ban,MAXBUF);
449 char* pos_of_pling = strchr(temp,'!');
450 char* pos_of_at = strchr(temp,'@');
452 pos_of_pling[0] = '\0';
457 strlcpy(NICK,temp,NICKMAX);
458 strlcpy(IDENT,pos_of_pling,IDENTMAX+1);
459 strlcpy(HOST,pos_of_at,160);
461 snprintf(ban,MAXBUF,"%s!%s@%s",NICK,IDENT,HOST);
466 char* chlist(userrec *user)
469 log(DEBUG,"chlist: %s",user->nick);
475 for (int i = 0; i != MAXCHANS; i++)
477 if (user->chans[i].channel != NULL)
479 if (user->chans[i].channel->name)
481 strlcpy(cmp,user->chans[i].channel->name,MAXBUF);
482 strlcat(cmp," ",MAXBUF);
483 if (!strstr(lst,cmp))
485 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
487 strlcat(lst,cmode(user,user->chans[i].channel),MAXBUF);
488 strlcat(lst,user->chans[i].channel->name,MAXBUF);
489 strlcat(lst," ",MAXBUF);
497 lst[strlen(lst)-1] = '\0'; // chop trailing space
503 void send_network_quit(const char* nick, const char* reason)
506 snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
507 NetSendToAll(buffer);