1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 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 * ---------------------------------------------------
19 #include "inspircd_config.h"
21 #include "inspircd_io.h"
24 #include <sys/errno.h>
25 #include <sys/utsname.h>
29 #include <ext/hash_map>
45 #include "inspstring.h"
47 #include "helperfuncs.h"
50 extern std::vector<Module*> modules;
51 extern std::vector<ircd_module*> factory;
53 extern ServerConfig* Config;
55 /* return 0 or 1 depending if users u and u2 share one or more common channels
56 * (used by QUIT, NICK etc which arent channel specific notices) */
58 int common_channels(userrec *u, userrec *u2)
60 if ((!u) || (!u2) || (u->registered != 7) || (u2->registered != 7))
64 for (std::vector<ucrec*>::const_iterator i = u->chans.begin(); i != u->chans.end(); i++)
66 for (std::vector<ucrec*>::const_iterator z = u2->chans.begin(); z != u2->chans.end(); z++)
68 if ((((ucrec*)(*i))->channel != NULL) && (((ucrec*)(*z))->channel != NULL))
70 if ((((ucrec*)(*i))->channel == ((ucrec*)(*z))->channel))
72 if ((c_count(u)) && (c_count(u2)))
83 void tidystring(char* str)
85 // strips out double spaces before a : parameter
93 // pointer voodoo++ --w00t
94 while ((*str) && (*str == ' '))
102 const int lenofstr = strlen(str);
105 * by caching strlen() of str, we theoretically avoid 3 expensive calls each time this loop
106 * rolls around.. should speed things up a nanosecond or two. ;)
111 if ((a < lenofstr - 1) && (noparse == false))
113 if ((str[a] == ' ') && (str[a+1] == ' '))
115 log(DEBUG,"Tidied extra space out of string: %s",str);
121 if (a < lenofstr - 1)
123 if ((str[a] == ' ') && (str[a+1] == ':'))
129 temp[t++] = str[a++];
133 strlcpy(str,temp,MAXBUF);
137 /* chop a string down to 512 characters and preserve linefeed (irc max
144 log(DEBUG,"ERROR! Null string passed to chop()!");
147 if (strlen(str) >= 511)
152 log(DEBUG,"Excess line chopped.");
159 int flags = fcntl(s, F_GETFL, 0);
160 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
163 void NonBlocking(int s)
165 int flags = fcntl(s, F_GETFL, 0);
166 fcntl(s, F_SETFL, flags | O_NONBLOCK);
169 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
171 DNS d(Config->DNSServer);
172 int fd = d.ReverseLookup(unresolvedHost);
175 time_t T = time(NULL)+1;
176 while ((!d.HasResult()) && (time(NULL)<T));
177 std::string ipaddr = d.GetResult();
178 strlcpy(resolvedHost,ipaddr.c_str(),MAXBUF);
179 return (ipaddr != "");
182 int c_count(userrec* u)
185 for (std::vector<ucrec*>::const_iterator i = u->chans.begin(); i != u->chans.end(); i++)
186 if (((ucrec*)(*i))->channel)
192 bool hasumode(userrec* user, char mode)
196 return (strchr(user->modes,mode)>0);
202 void ChangeName(userrec* user, const char* gecos)
207 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(user,gecos));
210 FOREACH_MOD(I_OnChangeName,OnChangeName(user,gecos));
212 strlcpy(user->fullname,gecos,MAXGECOS+1);
215 void ChangeDisplayedHost(userrec* user, const char* host)
220 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(user,host));
223 FOREACH_MOD(I_OnChangeHost,OnChangeHost(user,host));
225 strlcpy(user->dhost,host,63);
226 WriteServ(user->fd,"396 %s %s :is now your hidden host",user->nick,user->dhost);
229 /* verify that a user's ident and nickname is valid */
231 int isident(const char* n)
237 for (char* i = (char*)n; *i; i++)
239 if ((*i >= 'A') && (*i <= '}'))
243 if (strchr(".-0123456789",*i))
253 int isnick(const char* n)
260 for (char* i = (char*)n; *i; i++, p++)
262 /* can occur anywhere in a nickname */
263 if ((*i >= 'A') && (*i <= '}'))
267 /* can occur anywhere BUT the first char of a nickname */
268 if ((strchr("-0123456789",*i)) && (i > n))
272 /* invalid character! abort */
275 return (p < NICKMAX - 1);
278 /* returns the status character for a given user on a channel, e.g. @ for op,
279 * % for halfop etc. If the user has several modes set, the highest mode
280 * the user has must be returned. */
282 const char* cmode(userrec *user, chanrec *chan)
284 if ((!user) || (!chan))
286 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
290 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
292 if (((ucrec*)(*i))->channel == chan)
294 if ((((ucrec*)(*i))->uc_modes & UCMODE_OP) > 0)
298 if ((((ucrec*)(*i))->uc_modes & UCMODE_HOP) > 0)
302 if ((((ucrec*)(*i))->uc_modes & UCMODE_VOICE) > 0)
312 int cflags(userrec *user, chanrec *chan)
314 if ((!chan) || (!user))
317 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
319 if (((ucrec*)(*i))->channel == chan)
321 return ((ucrec*)(*i))->uc_modes;
327 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
328 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
329 * highest mode the user has must be returned. */
331 int cstatus(userrec *user, chanrec *chan)
333 if ((!chan) || (!user))
335 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
339 if (is_uline(user->server))
342 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
344 if (((ucrec*)(*i))->channel == chan)
346 if ((((ucrec*)(*i))->uc_modes & UCMODE_OP) > 0)
350 if ((((ucrec*)(*i))->uc_modes & UCMODE_HOP) > 0)
354 if ((((ucrec*)(*i))->uc_modes & UCMODE_VOICE) > 0)
358 return STATUS_NORMAL;
361 return STATUS_NORMAL;
364 void TidyBan(char *ban)
367 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
371 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
373 strlcpy(temp,ban,MAXBUF);
375 char* pos_of_pling = strchr(temp,'!');
376 char* pos_of_at = strchr(temp,'@');
378 pos_of_pling[0] = '\0';
383 strlcpy(NICK,temp,NICKMAX-1);
384 strlcpy(IDENT,pos_of_pling,IDENTMAX+1);
385 strlcpy(HOST,pos_of_at,63);
387 snprintf(ban,MAXBUF,"%s!%s@%s",NICK,IDENT,HOST);
392 std::string chlist(userrec *user,userrec* source)
394 std::string cmp = "";
395 std::string lst = "";
396 if (!user || !source)
400 bool userinvisible = (user->modebits & UM_INVISIBLE);
401 for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
403 if ((((ucrec*)(*i))->channel != NULL) && (((ucrec*)(*i))->channel->name))
405 cmp = std::string(((ucrec*)(*i))->channel->name) + " ";
406 if (!strstr(lst.c_str(),cmp.c_str()))
408 // if the channel is NOT private/secret, OR the source user is on the channel, AND the user is not invisible.
409 // if the user is the same as the source, shortcircuit the comparison.
410 if ((source == user) || ((((!(((ucrec*)(*i))->channel->binarymodes & CM_PRIVATE)) && (!(((ucrec*)(*i))->channel->binarymodes & CM_SECRET)) && (!userinvisible)) || (((ucrec*)(*i))->channel->HasUser(source)))))
412 lst = lst + std::string(cmode(user,((ucrec*)(*i))->channel)) + std::string(((ucrec*)(*i))->channel->name) + " ";