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;
59 /* return 0 or 1 depending if users u and u2 share one or more common channels
60 * (used by QUIT, NICK etc which arent channel specific notices) */
62 int common_channels(userrec *u, userrec *u2)
69 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
72 for (int i = 0; i != MAXCHANS; i++)
74 for (z = 0; z != MAXCHANS; z++)
76 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
78 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))
80 if ((c_count(u)) && (c_count(u2)))
92 void safedelete(userrec *p)
96 log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
97 log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
103 log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
107 void safedelete(chanrec *p)
113 log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
117 log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
122 void tidystring(char* str)
124 // strips out double spaces before a : parameter
127 bool go_again = true;
134 while ((str[0] == ' ') && (strlen(str)>0))
141 bool noparse = false;
144 while (a < strlen(str))
146 if ((a<strlen(str)-1) && (noparse==false))
148 if ((str[a] == ' ') && (str[a+1] == ' '))
150 log(DEBUG,"Tidied extra space out of string: %s",str);
158 if ((str[a] == ' ') && (str[a+1] == ':'))
164 temp[t++] = str[a++];
167 strlcpy(str,temp,MAXBUF);
171 /* chop a string down to 512 characters and preserve linefeed (irc max
178 log(DEBUG,"ERROR! Null string passed to chop()!");
182 FOREACH_MOD OnServerRaw(temp,false,NULL);
183 const char* str2 = temp.c_str();
184 snprintf(str,MAXBUF,"%s",str2);
187 if (strlen(str) >= 512)
199 log(DEBUG,"Blocking: %d",s);
200 flags = fcntl(s, F_GETFL, 0);
201 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
204 void NonBlocking(int s)
207 log(DEBUG,"NonBlocking: %d",s);
208 flags = fcntl(s, F_GETFL, 0);
209 //fcntl(s, F_SETFL, O_NONBLOCK);
210 fcntl(s, F_SETFL, flags | O_NONBLOCK);
213 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
215 struct hostent *hostPtr = NULL;
218 memset (resolvedHost, '\0',MAXBUF);
219 if(unresolvedHost == NULL)
221 if ((inet_aton(unresolvedHost,&addr)) == 0)
223 hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
225 snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
227 snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
231 int c_count(userrec* u)
234 for (int i =0; i != MAXCHANS; i++)
235 if (u->chans[i].channel != NULL)
241 bool hasumode(userrec* user, char mode)
245 return (strchr(user->modes,mode)>0);
251 void ChangeName(userrec* user, const char* gecos)
253 strlcpy(user->fullname,gecos,MAXBUF);
255 snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
256 NetSendToAll(buffer);
259 void ChangeDisplayedHost(userrec* user, const char* host)
261 strlcpy(user->dhost,host,160);
263 snprintf(buffer,MAXBUF,"b %s %s",user->nick,host);
264 NetSendToAll(buffer);
267 /* verify that a user's ident and nickname is valid */
269 int isident(const char* n)
281 for (int i = 0; i != strlen(n); i++)
283 if ((n[i] < 33) || (n[i] > 125))
287 /* can't occur ANYWHERE in an Ident! */
288 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
297 int isnick(const char* n)
309 if (strlen(n) > NICKMAX-1)
313 for (int i = 0; i != strlen(n); i++)
315 if ((n[i] < 33) || (n[i] > 125))
319 /* can't occur ANYWHERE in a nickname! */
320 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
324 /* can't occur as the first char of a nickname... */
325 if ((strchr("0123456789",n[i])) && (!i))
333 /* returns the status character for a given user on a channel, e.g. @ for op,
334 * % for halfop etc. If the user has several modes set, the highest mode
335 * the user has must be returned. */
337 char* cmode(userrec *user, chanrec *chan)
339 if ((!user) || (!chan))
341 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
346 for (int i = 0; i != MAXCHANS; i++)
348 if (user->chans[i].channel)
350 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
352 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
356 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
360 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
370 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
371 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
372 * highest mode the user has must be returned. */
374 int cstatus(userrec *user, chanrec *chan)
376 if ((!chan) || (!user))
378 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
382 for (int i = 0; i != MAXCHANS; i++)
384 if (user->chans[i].channel)
386 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
388 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
392 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
396 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
400 return STATUS_NORMAL;
406 /* returns 1 if user u has channel c in their record, 0 if not */
408 int has_channel(userrec *u, chanrec *c)
412 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
415 for (int i =0; i != MAXCHANS; i++)
417 if (u->chans[i].channel)
419 if (!strcasecmp(u->chans[i].channel->name,c->name))
429 void TidyBan(char *ban)
432 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
436 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
438 strlcpy(temp,ban,MAXBUF);
440 char* pos_of_pling = strchr(temp,'!');
441 char* pos_of_at = strchr(temp,'@');
443 pos_of_pling[0] = '\0';
448 strlcpy(NICK,temp,NICKMAX);
449 strlcpy(IDENT,pos_of_pling,IDENTMAX+1);
450 strlcpy(HOST,pos_of_at,160);
452 snprintf(ban,MAXBUF,"%s!%s@%s",NICK,IDENT,HOST);
457 char* chlist(userrec *user)
462 log(DEBUG,"chlist: %s",user->nick);
468 for (int i = 0; i != MAXCHANS; i++)
470 if (user->chans[i].channel != NULL)
472 if (user->chans[i].channel->name)
474 strlcpy(cmp,user->chans[i].channel->name,MAXBUF);
475 strlcat(cmp," ",MAXBUF);
476 if (!strstr(lst,cmp))
478 if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
480 strlcat(lst,cmode(user,user->chans[i].channel),MAXBUF);
481 strlcat(lst,user->chans[i].channel->name,MAXBUF);
482 strlcat(lst," ",MAXBUF);
490 lst[strlen(lst)-1] = '\0'; // chop trailing space
496 void send_network_quit(const char* nick, const char* reason)
499 snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
500 NetSendToAll(buffer);