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"
56 extern std::vector<Module*> modules;
57 extern std::vector<ircd_module*> factory;
61 /* return 0 or 1 depending if users u and u2 share one or more common channels
62 * (used by QUIT, NICK etc which arent channel specific notices) */
64 int common_channels(userrec *u, userrec *u2)
71 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
74 for (int i = 0; i != MAXCHANS; i++)
76 for (z = 0; z != MAXCHANS; z++)
78 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
80 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))
82 if ((c_count(u)) && (c_count(u2)))
94 void safedelete(userrec *p)
98 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
99 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
105 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
109 void safedelete(chanrec *p)
115 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
119 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
124 void tidystring(char* str)
126 // strips out double spaces before a : parameter
129 bool go_again = true;
136 while ((str[0] == ' ') && (strlen(str)>0))
143 bool noparse = false;
146 while (a < strlen(str))
148 if ((a<strlen(str)-1) && (noparse==false))
150 if ((str[a] == ' ') && (str[a+1] == ' '))
152 log(DEBUG,"Tidied extra space out of string: %s",str);
160 if ((str[a] == ' ') && (str[a+1] == ':'))
166 temp[t++] = str[a++];
169 strlcpy(str,temp,MAXBUF);
173 /* chop a string down to 512 characters and preserve linefeed (irc max
180 log(DEBUG,"ERROR! Null string passed to chop()!");
184 FOREACH_MOD OnServerRaw(temp,false,NULL);
185 const char* str2 = temp.c_str();
186 snprintf(str,MAXBUF,"%s",str2);
189 if (strlen(str) >= 512)
201 log(DEBUG,"Blocking: %d",s);
202 flags = fcntl(s, F_GETFL, 0);
203 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
206 void NonBlocking(int s)
209 log(DEBUG,"NonBlocking: %d",s);
210 flags = fcntl(s, F_GETFL, 0);
211 //fcntl(s, F_SETFL, O_NONBLOCK);
212 fcntl(s, F_SETFL, flags | O_NONBLOCK);
215 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
217 struct hostent *hostPtr = NULL;
220 memset (resolvedHost, '\0',MAXBUF);
221 if(unresolvedHost == NULL)
223 if ((inet_aton(unresolvedHost,&addr)) == 0)
225 hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
227 snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
229 snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
233 int c_count(userrec* u)
236 for (int i =0; i != MAXCHANS; i++)
237 if (u->chans[i].channel != NULL)
243 bool hasumode(userrec* user, char mode)
247 return (strchr(user->modes,mode)>0);
253 void ChangeName(userrec* user, const char* gecos)
255 strlcpy(user->fullname,gecos,MAXBUF);
257 snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
258 NetSendToAll(buffer);
261 void ChangeDisplayedHost(userrec* user, const char* host)
263 strlcpy(user->dhost,host,160);
265 snprintf(buffer,MAXBUF,"b %s %s",user->nick,host);
266 NetSendToAll(buffer);
269 /* verify that a user's ident and nickname is valid */
271 int isident(const char* n)
283 for (int i = 0; i != strlen(n); i++)
285 if ((n[i] < 33) || (n[i] > 125))
289 /* can't occur ANYWHERE in an Ident! */
290 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
299 int isnick(const char* n)
311 if (strlen(n) > NICKMAX-1)
315 for (int i = 0; i != strlen(n); i++)
317 if ((n[i] < 33) || (n[i] > 125))
321 /* can't occur ANYWHERE in a nickname! */
322 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
326 /* can't occur as the first char of a nickname... */
327 if ((strchr("0123456789",n[i])) && (!i))
335 /* returns the status character for a given user on a channel, e.g. @ for op,
336 * % for halfop etc. If the user has several modes set, the highest mode
337 * the user has must be returned. */
339 char* cmode(userrec *user, chanrec *chan)
341 if ((!user) || (!chan))
343 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
348 for (int i = 0; i != MAXCHANS; i++)
350 if (user->chans[i].channel)
352 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
354 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
358 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
362 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
372 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
373 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
374 * highest mode the user has must be returned. */
376 int cstatus(userrec *user, chanrec *chan)
378 if ((!chan) || (!user))
380 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
384 for (int i = 0; i != MAXCHANS; i++)
386 if (user->chans[i].channel)
388 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
390 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
394 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
398 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
402 return STATUS_NORMAL;
408 /* returns 1 if user u has channel c in their record, 0 if not */
410 int has_channel(userrec *u, chanrec *c)
414 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
417 for (int i =0; i != MAXCHANS; i++)
419 if (u->chans[i].channel)
421 if (!strcasecmp(u->chans[i].channel->name,c->name))
431 void TidyBan(char *ban)
434 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
438 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
440 strlcpy(temp,ban,MAXBUF);
442 char* pos_of_pling = strchr(temp,'!');
443 char* pos_of_at = strchr(temp,'@');
445 pos_of_pling[0] = '\0';
450 strlcpy(NICK,temp,NICKMAX);
451 strlcpy(IDENT,pos_of_pling,IDENTMAX+1);
452 strlcpy(HOST,pos_of_at,160);
454 snprintf(ban,MAXBUF,"%s!%s@%s",NICK,IDENT,HOST);
459 char* chlist(userrec *user)
464 log(DEBUG,"chlist: %s",user->nick);
470 for (int i = 0; i != MAXCHANS; i++)
472 if (user->chans[i].channel != NULL)
474 if (user->chans[i].channel->name)
476 strlcpy(cmp,user->chans[i].channel->name,MAXBUF);
477 strlcat(cmp," ",MAXBUF);
478 if (!strstr(lst,cmp))
480 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
482 strlcat(lst,cmode(user,user->chans[i].channel),MAXBUF);
483 strlcat(lst,user->chans[i].channel->name,MAXBUF);
484 strlcat(lst," ",MAXBUF);
492 lst[strlen(lst)-1] = '\0'; // chop trailing space
498 void send_network_quit(const char* nick, const char* reason)
501 snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
502 NetSendToAll(buffer);