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 * ---------------------------------------------------
20 #include "inspircd_io.h"
21 #include "inspircd_util.h"
22 #include "inspircd_config.h"
25 #include <sys/errno.h>
26 #include <sys/utsname.h>
30 #include <ext/hash_map>
38 #include "connection.h"
47 #include "inspstring.h"
49 #include "helperfuncs.h"
52 extern std::vector<Module*> modules;
53 extern std::vector<ircd_module*> factory;
55 extern char ServerName[MAXBUF];
59 extern FILE *log_file;
60 extern char DNSServer[MAXBUF];
62 /* return 0 or 1 depending if users u and u2 share one or more common channels
63 * (used by QUIT, NICK etc which arent channel specific notices) */
65 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 (int 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 tidystring(char* str)
94 // strips out double spaces before a : parameter
104 while ((str[0] == ' ') && (strlen(str)>0))
111 bool noparse = false;
114 while (a < strlen(str))
116 if ((a<strlen(str)-1) && (noparse==false))
118 if ((str[a] == ' ') && (str[a+1] == ' '))
120 log(DEBUG,"Tidied extra space out of string: %s",str);
128 if ((str[a] == ' ') && (str[a+1] == ':'))
134 temp[t++] = str[a++];
137 strlcpy(str,temp,MAXBUF);
141 /* chop a string down to 512 characters and preserve linefeed (irc max
148 log(DEBUG,"ERROR! Null string passed to chop()!");
152 FOREACH_MOD OnServerRaw(temp,false,NULL);
153 const char* str2 = temp.c_str();
154 snprintf(str,MAXBUF,"%s",str2);
155 if (strlen(str) >= 511)
160 log(DEBUG,"Excess line chopped.");
168 log(DEBUG,"Blocking: %d",s);
169 flags = fcntl(s, F_GETFL, 0);
170 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
173 void NonBlocking(int s)
176 log(DEBUG,"NonBlocking: %d",s);
177 flags = fcntl(s, F_GETFL, 0);
178 fcntl(s, F_SETFL, flags | O_NONBLOCK);
181 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
184 int fd = d.ReverseLookup(unresolvedHost);
187 time_t T = time(NULL)+1;
188 while ((!d.HasResult()) && (time(NULL)<T));
189 std::string ipaddr = d.GetResult();
190 strlcpy(resolvedHost,ipaddr.c_str(),MAXBUF);
191 return (ipaddr != "");
194 int c_count(userrec* u)
197 for (int i =0; i != MAXCHANS; i++)
198 if (u->chans[i].channel != NULL)
204 bool hasumode(userrec* user, char mode)
208 return (strchr(user->modes,mode)>0);
214 void ChangeName(userrec* user, const char* gecos)
216 if (!strcasecmp(user->server,ServerName))
219 FOREACH_RESULT(OnChangeLocalUserGECOS(user,gecos));
223 strlcpy(user->fullname,gecos,MAXBUF);
225 snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
226 NetSendToAll(buffer);
229 void ChangeDisplayedHost(userrec* user, const char* host)
231 if (!strcasecmp(user->server,ServerName))
234 FOREACH_RESULT(OnChangeLocalUserHost(user,host));
238 strlcpy(user->dhost,host,160);
240 snprintf(buffer,MAXBUF,"b %s %s",user->nick,host);
241 NetSendToAll(buffer);
244 /* verify that a user's ident and nickname is valid */
246 int isident(const char* n)
257 for (int i = 0; i != strlen(n); i++)
259 if ((n[i] < 33) || (n[i] > 125))
263 /* can't occur ANYWHERE in an Ident! */
264 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
273 int isnick(const char* n)
283 if (strlen(n) > NICKMAX-1)
287 for (int i = 0; i != strlen(n); i++)
289 if ((n[i] < 33) || (n[i] > 125))
293 /* can't occur ANYWHERE in a nickname! */
294 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
298 /* can't occur as the first char of a nickname... */
299 if ((strchr("0123456789",n[i])) && (!i))
307 /* returns the status character for a given user on a channel, e.g. @ for op,
308 * % for halfop etc. If the user has several modes set, the highest mode
309 * the user has must be returned. */
311 char* cmode(userrec *user, chanrec *chan)
313 if ((!user) || (!chan))
315 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
318 for (int i = 0; i != MAXCHANS; i++)
320 if (user->chans[i].channel)
322 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
324 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
328 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
332 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
343 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
344 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
345 * highest mode the user has must be returned. */
347 int cstatus(userrec *user, chanrec *chan)
349 if ((!chan) || (!user))
351 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
355 for (int i = 0; i != MAXCHANS; i++)
357 if (user->chans[i].channel)
359 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
361 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
365 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
369 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
373 return STATUS_NORMAL;
377 return STATUS_NORMAL;
380 /* returns 1 if user u has channel c in their record, 0 if not */
382 int has_channel(userrec *u, chanrec *c)
386 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
389 for (int i =0; i != MAXCHANS; i++)
391 if (u->chans[i].channel)
393 if (!strcasecmp(u->chans[i].channel->name,c->name))
403 void TidyBan(char *ban)
406 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
410 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
412 strlcpy(temp,ban,MAXBUF);
414 char* pos_of_pling = strchr(temp,'!');
415 char* pos_of_at = strchr(temp,'@');
417 pos_of_pling[0] = '\0';
422 strlcpy(NICK,temp,NICKMAX);
423 strlcpy(IDENT,pos_of_pling,IDENTMAX+1);
424 strlcpy(HOST,pos_of_at,160);
426 snprintf(ban,MAXBUF,"%s!%s@%s",NICK,IDENT,HOST);
431 char* chlist(userrec *user,userrec* source)
434 log(DEBUG,"chlist: %s",user->nick);
440 for (int i = 0; i != MAXCHANS; i++)
442 if (user->chans[i].channel != NULL)
444 if (user->chans[i].channel->name)
446 strlcpy(cmp,user->chans[i].channel->name,MAXBUF);
447 strlcat(cmp," ",MAXBUF);
448 if (!strstr(lst,cmp))
450 // if the channel is NOT private/secret, OR the source user is on the channel
451 if (((!(user->chans[i].channel->binarymodes & CM_PRIVATE)) && (!(user->chans[i].channel->binarymodes & CM_SECRET))) || (has_channel(source,user->chans[i].channel)))
453 strlcat(lst,cmode(user,user->chans[i].channel),MAXBUF);
454 strlcat(lst,user->chans[i].channel->name,MAXBUF);
455 strlcat(lst," ",MAXBUF);
463 lst[strlen(lst)-1] = '\0'; // chop trailing space
469 void send_network_quit(const char* nick, const char* reason)
472 snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
473 NetSendToAll(buffer);