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 * ---------------------------------------------------
19 #include "inspircd_config.h"
21 #include "inspircd_io.h"
22 #include "inspircd_util.h"
25 #include <sys/errno.h>
26 #include <sys/utsname.h>
30 #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 char ServerName[MAXBUF];
57 extern FILE *log_file;
58 extern char DNSServer[MAXBUF];
60 /* return 0 or 1 depending if users u and u2 share one or more common channels
61 * (used by QUIT, NICK etc which arent channel specific notices) */
63 int common_channels(userrec *u, userrec *u2)
67 log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
70 for (int i = 0; i != MAXCHANS; i++)
72 for (int z = 0; z != MAXCHANS; z++)
74 if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
76 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))
78 if ((c_count(u)) && (c_count(u2)))
90 void tidystring(char* str)
92 // strips out double spaces before a : parameter
102 while ((str[0] == ' ') && (strlen(str)>0))
109 bool noparse = false;
110 unsigned int t = 0, a = 0;
112 while (a < strlen(str))
114 if ((a<strlen(str)-1) && (noparse==false))
116 if ((str[a] == ' ') && (str[a+1] == ' '))
118 log(DEBUG,"Tidied extra space out of string: %s",str);
126 if ((str[a] == ' ') && (str[a+1] == ':'))
132 temp[t++] = str[a++];
135 strlcpy(str,temp,MAXBUF);
139 /* chop a string down to 512 characters and preserve linefeed (irc max
146 log(DEBUG,"ERROR! Null string passed to chop()!");
150 FOREACH_MOD OnServerRaw(temp,false,NULL);
151 const char* str2 = temp.c_str();
152 snprintf(str,MAXBUF,"%s",str2);
153 if (strlen(str) >= 511)
158 log(DEBUG,"Excess line chopped.");
166 log(DEBUG,"Blocking: %d",s);
167 flags = fcntl(s, F_GETFL, 0);
168 fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
171 void NonBlocking(int s)
174 log(DEBUG,"NonBlocking: %d",s);
175 flags = fcntl(s, F_GETFL, 0);
176 fcntl(s, F_SETFL, flags | O_NONBLOCK);
179 int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
182 int fd = d.ReverseLookup(unresolvedHost);
185 time_t T = time(NULL)+1;
186 while ((!d.HasResult()) && (time(NULL)<T));
187 std::string ipaddr = d.GetResult();
188 strlcpy(resolvedHost,ipaddr.c_str(),MAXBUF);
189 return (ipaddr != "");
192 int c_count(userrec* u)
195 for (int i =0; i != MAXCHANS; i++)
196 if (u->chans[i].channel != NULL)
202 bool hasumode(userrec* user, char mode)
206 return (strchr(user->modes,mode)>0);
212 void ChangeName(userrec* user, const char* gecos)
214 if (!strcasecmp(user->server,ServerName))
217 FOREACH_RESULT(OnChangeLocalUserGECOS(user,gecos));
221 strlcpy(user->fullname,gecos,MAXBUF);
224 void ChangeDisplayedHost(userrec* user, const char* host)
226 if (!strcasecmp(user->server,ServerName))
229 FOREACH_RESULT(OnChangeLocalUserHost(user,host));
233 strlcpy(user->dhost,host,160);
236 /* verify that a user's ident and nickname is valid */
238 int isident(const char* n)
249 for (unsigned int i = 0; i < strlen(n); i++)
251 if ((n[i] < 33) || (n[i] > 125))
255 /* can't occur ANYWHERE in an Ident! */
256 if (strchr("<>,/?:;@'~#=+()*&%$£ \"!",n[i]))
265 int isnick(const char* n)
275 if (strlen(n) > NICKMAX)
279 for (unsigned int i = 0; i != strlen(n); i++)
281 if ((n[i] < 33) || (n[i] > 125))
285 /* can't occur ANYWHERE in a nickname! */
286 if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
290 /* can't occur as the first char of a nickname... */
291 if ((strchr("0123456789",n[i])) && (!i))
299 /* returns the status character for a given user on a channel, e.g. @ for op,
300 * % for halfop etc. If the user has several modes set, the highest mode
301 * the user has must be returned. */
303 char* cmode(userrec *user, chanrec *chan)
305 if ((!user) || (!chan))
307 log(DEFAULT,"*** BUG *** cmode was given an invalid parameter");
310 for (int i = 0; i != MAXCHANS; i++)
312 if (user->chans[i].channel)
314 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
316 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
320 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
324 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
335 /* returns the status value for a given user on a channel, e.g. STATUS_OP for
336 * op, STATUS_VOICE for voice etc. If the user has several modes set, the
337 * highest mode the user has must be returned. */
339 int cstatus(userrec *user, chanrec *chan)
341 if ((!chan) || (!user))
343 log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
347 for (int i = 0; i != MAXCHANS; i++)
349 if (user->chans[i].channel)
351 if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
353 if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
357 if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
361 if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
365 return STATUS_NORMAL;
369 return STATUS_NORMAL;
372 /* returns 1 if user u has channel c in their record, 0 if not */
374 int has_channel(userrec *u, chanrec *c)
378 log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
381 for (int i =0; i != MAXCHANS; i++)
383 if (u->chans[i].channel)
385 if (!strcasecmp(u->chans[i].channel->name,c->name))
395 void TidyBan(char *ban)
398 log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
402 char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
404 strlcpy(temp,ban,MAXBUF);
406 char* pos_of_pling = strchr(temp,'!');
407 char* pos_of_at = strchr(temp,'@');
409 pos_of_pling[0] = '\0';
414 strlcpy(NICK,temp,NICKMAX);
415 strlcpy(IDENT,pos_of_pling,IDENTMAX+1);
416 strlcpy(HOST,pos_of_at,160);
418 snprintf(ban,MAXBUF,"%s!%s@%s",NICK,IDENT,HOST);
423 char* chlist(userrec *user,userrec* source)
426 log(DEBUG,"chlist: %s",user->nick);
432 for (int i = 0; i != MAXCHANS; i++)
434 if (user->chans[i].channel != NULL)
436 if (user->chans[i].channel->name)
438 strlcpy(cmp,user->chans[i].channel->name,MAXBUF);
439 strlcat(cmp," ",MAXBUF);
440 if (!strstr(lst,cmp))
442 // if the channel is NOT private/secret, OR the source user is on the channel
443 if (((!(user->chans[i].channel->binarymodes & CM_PRIVATE)) && (!(user->chans[i].channel->binarymodes & CM_SECRET))) || (has_channel(source,user->chans[i].channel)))
445 strlcat(lst,cmode(user,user->chans[i].channel),MAXBUF);
446 strlcat(lst,user->chans[i].channel->name,MAXBUF);
447 strlcat(lst," ",MAXBUF);
455 lst[strlen(lst)-1] = '\0'; // chop trailing space