* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
* ---------------------------------------------------
*/
-#include "inspircd.h"
-#include "inspircd_io.h"
-#include "inspircd_util.h"
+using namespace std;
+
#include "inspircd_config.h"
+#include "inspircd.h"
+#include "configreader.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/errno.h>
-#include <sys/ioctl.h>
#include <sys/utsname.h>
-#include <cstdio>
#include <time.h>
#include <string>
-#ifdef GCC3
#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
#include <map>
#include <sstream>
#include <vector>
-#include <errno.h>
#include <deque>
-#include <errno.h>
-#include <unistd.h>
-#include <sched.h>
-#include "connection.h"
#include "users.h"
-#include "servers.h"
#include "ctables.h"
#include "globals.h"
#include "modules.h"
#include "dynamic.h"
#include "wildcard.h"
+#include "commands.h"
#include "message.h"
-
-using namespace std;
+#include "inspstring.h"
+#include "dns.h"
+#include "helperfuncs.h"
extern int MODCOUNT;
-extern vector<Module*> modules;
-extern vector<ircd_module*> factory;
+extern std::vector<Module*> modules;
+extern std::vector<ircd_module*> factory;
+extern time_t TIME;
+extern ServerConfig* Config;
/* return 0 or 1 depending if users u and u2 share one or more common channels
- * (used by QUIT, NICK etc which arent channel specific notices) */
-
+ * (used by QUIT, NICK etc which arent channel specific notices)
+ *
+ * The old algorithm in 1.0 for this was relatively inefficient, iterating over
+ * the first users channels then the second users channels within the outer loop,
+ * therefore it was a maximum of x*y iterations (upon returning 0 and checking
+ * all possible iterations). However this new function instead checks against the
+ * channel's userlist in the inner loop which is a std::map<userrec*,userrec*>
+ * and saves us time as we already know what pointer value we are after.
+ * Don't quote me on the maths as i am not a mathematician or computer scientist,
+ * but i believe this algorithm is now x+(log y) maximum iterations instead.
+ */
int common_channels(userrec *u, userrec *u2)
{
- int i = 0;
- int z = 0;
-
- if ((!u) || (!u2))
- {
- log(DEFAULT,"*** BUG *** common_channels was given an invalid parameter");
+ if ((!u) || (!u2) || (u->registered != REG_ALL) || (u2->registered != REG_ALL))
return 0;
- }
- for (int i = 0; i != MAXCHANS; i++)
- {
- for (z = 0; z != MAXCHANS; z++)
- {
- if ((u->chans[i].channel != NULL) && (u2->chans[z].channel != NULL))
- {
- 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))
- {
- if ((c_count(u)) && (c_count(u2)))
- {
- return 1;
- }
- }
- }
- }
- }
- return 0;
-}
-
-
-void safedelete(userrec *p)
-{
- if (p)
- {
- log(DEBUG,"deleting %s %s %s %s",p->nick,p->ident,p->dhost,p->fullname);
- log(DEBUG,"safedelete(userrec*): pointer is safe to delete");
- delete p;
- p = NULL;
- }
- else
- {
- log(DEBUG,"safedelete(userrec*): unsafe pointer operation squished");
- }
-}
-void safedelete(chanrec *p)
-{
- if (p)
+ /* Outer loop */
+ for (std::vector<ucrec*>::const_iterator i = u->chans.begin(); i != u->chans.end(); i++)
{
- delete p;
- p = NULL;
- log(DEBUG,"safedelete(chanrec*): pointer is safe to delete");
- }
- else
- {
- log(DEBUG,"safedelete(chanrec*): unsafe pointer operation squished");
- }
-}
-
+ /* Fetch the channel from the user */
+ ucrec* user_channel = *i;
-void tidystring(char* str)
-{
- // strips out double spaces before a : parameter
-
- char temp[MAXBUF];
- bool go_again = true;
-
- if (!str)
- {
- return;
- }
-
- while ((str[0] == ' ') && (strlen(str)>0))
- {
- str++;
- }
-
- while (go_again)
- {
- bool noparse = false;
- int t = 0, a = 0;
- go_again = false;
- while (a < strlen(str))
+ if (user_channel->channel)
{
- if ((a<strlen(str)-1) && (noparse==false))
- {
- if ((str[a] == ' ') && (str[a+1] == ' '))
- {
- log(DEBUG,"Tidied extra space out of string: %s",str);
- go_again = true;
- a++;
- }
- }
-
- if (a<strlen(str)-1)
- {
- if ((str[a] == ' ') && (str[a+1] == ':'))
- {
- noparse = true;
- }
- }
-
- temp[t++] = str[a++];
+ /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
+ * by replacing it with a map::find which *should* be more efficient
+ */
+ if (user_channel->channel->HasUser(u2))
+ return 1;
}
- temp[t] = '\0';
- strlcpy(str,temp,MAXBUF);
}
+ return 0;
}
-/* chop a string down to 512 characters and preserve linefeed (irc max
- * line length) */
-
-void chop(char* str)
-{
- if (!str)
- {
- log(DEBUG,"ERROR! Null string passed to chop()!");
- return;
- }
- string temp = str;
- FOREACH_MOD OnServerRaw(temp,false,NULL);
- const char* str2 = temp.c_str();
- snprintf(str,MAXBUF,"%s",str2);
-
-
- if (strlen(str) >= 512)
- {
- str[509] = '\r';
- str[510] = '\n';
- str[511] = '\0';
- }
-}
-
-
void Blocking(int s)
{
- int flags;
- log(DEBUG,"Blocking: %d",s);
- flags = fcntl(s, F_GETFL, 0);
- fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
+ int flags = fcntl(s, F_GETFL, 0);
+ fcntl(s, F_SETFL, flags ^ O_NONBLOCK);
}
void NonBlocking(int s)
{
- int flags;
- log(DEBUG,"NonBlocking: %d",s);
- flags = fcntl(s, F_GETFL, 0);
- //fcntl(s, F_SETFL, O_NONBLOCK);
- fcntl(s, F_SETFL, flags | O_NONBLOCK);
-}
-
-int CleanAndResolve (char *resolvedHost, const char *unresolvedHost)
-{
- struct hostent *hostPtr = NULL;
- struct in_addr addr;
-
- memset (resolvedHost, '\0',MAXBUF);
- if(unresolvedHost == NULL)
- return(ERROR);
- if ((inet_aton(unresolvedHost,&addr)) == 0)
- return(ERROR);
- hostPtr = gethostbyaddr ((char *)&addr.s_addr,sizeof(addr.s_addr),AF_INET);
- if (hostPtr != NULL)
- snprintf(resolvedHost,MAXBUF,"%s",hostPtr->h_name);
- else
- snprintf(resolvedHost,MAXBUF,"%s",unresolvedHost);
- return (TRUE);
+ int flags = fcntl(s, F_GETFL, 0);
+ fcntl(s, F_SETFL, flags | O_NONBLOCK);
}
int c_count(userrec* u)
{
int z = 0;
- for (int i =0; i != MAXCHANS; i++)
- if (u->chans[i].channel != NULL)
+ for (std::vector<ucrec*>::const_iterator i = u->chans.begin(); i != u->chans.end(); i++)
+ if ((*i)->channel)
z++;
return z;
}
-bool hasumode(userrec* user, char mode)
+void ChangeName(userrec* user, const char* gecos)
{
- if (user)
+ if (user->fd > -1)
{
- return (strchr(user->modes,mode)>0);
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(user,gecos));
+ if (MOD_RESULT)
+ return;
+ FOREACH_MOD(I_OnChangeName,OnChangeName(user,gecos));
}
- else return false;
-}
-
-
-void ChangeName(userrec* user, const char* gecos)
-{
- strlcpy(user->fullname,gecos,MAXBUF);
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
- NetSendToAll(buffer);
+ strlcpy(user->fullname,gecos,MAXGECOS+1);
}
void ChangeDisplayedHost(userrec* user, const char* host)
{
- strlcpy(user->dhost,host,160);
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"b %s %s",user->nick,host);
- NetSendToAll(buffer);
+ if (user->fd > -1)
+ {
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(user,host));
+ if (MOD_RESULT)
+ return;
+ FOREACH_MOD(I_OnChangeHost,OnChangeHost(user,host));
+ }
+ strlcpy(user->dhost,host,63);
+ WriteServ(user->fd,"396 %s %s :is now your hidden host",user->nick,user->dhost);
}
/* verify that a user's ident and nickname is valid */
int isident(const char* n)
{
- char v[MAXBUF];
- if (!n)
-
- {
- return 0;
- }
- if (!strcmp(n,""))
- {
- return 0;
- }
- for (int i = 0; i != strlen(n); i++)
- {
- if ((n[i] < 33) || (n[i] > 125))
- {
- return 0;
- }
- /* can't occur ANYWHERE in an Ident! */
- if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
- {
- return 0;
- }
- }
- return 1;
-}
-
-
-int isnick(const char* n)
-{
- int i = 0;
- char v[MAXBUF];
- if (!n)
+ if (!n || !*n)
{
return 0;
}
- if (!strcmp(n,""))
+ for (char* i = (char*)n; *i; i++)
{
+ if ((*i >= 'A') && (*i <= '}'))
+ {
+ continue;
+ }
+ if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
+ {
+ continue;
+ }
return 0;
}
- if (strlen(n) > NICKMAX-1)
+ return 1;
+}
+
+
+int isnick(const char* n)
+{
+ if (!n || !*n)
{
return 0;
}
- for (int i = 0; i != strlen(n); i++)
+ int p = 0;
+ for (char* i = (char*)n; *i; i++, p++)
{
- if ((n[i] < 33) || (n[i] > 125))
+ /* "A"-"}" can occur anywhere in a nickname */
+ if ((*i >= 'A') && (*i <= '}'))
{
- return 0;
+ continue;
}
- /* can't occur ANYWHERE in a nickname! */
- if (strchr("<>,./?:;@'~#=+()*&%$£ \"!",n[i]))
+ /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
+ if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n))
{
- return 0;
- }
- /* can't occur as the first char of a nickname... */
- if ((strchr("0123456789",n[i])) && (!i))
- {
- return 0;
+ continue;
}
+ /* invalid character! abort */
+ return 0;
}
- return 1;
+ return (p < NICKMAX - 1);
}
/* returns the status character for a given user on a channel, e.g. @ for op,
* % for halfop etc. If the user has several modes set, the highest mode
* the user has must be returned. */
-char* cmode(userrec *user, chanrec *chan)
+const char* cmode(userrec *user, chanrec *chan)
{
if ((!user) || (!chan))
{
return "";
}
- int i;
- for (int i = 0; i != MAXCHANS; i++)
+ for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
{
- if (user->chans[i].channel)
+ if ((*i)->channel == chan)
{
- if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
+ if (((*i)->uc_modes & UCMODE_OP) > 0)
{
- if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
- {
- return "@";
- }
- if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
- {
- return "%";
- }
- if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
- {
- return "+";
- }
- return "";
+ return "@";
}
+ if (((*i)->uc_modes & UCMODE_HOP) > 0)
+ {
+ return "%";
+ }
+ if (((*i)->uc_modes & UCMODE_VOICE) > 0)
+ {
+ return "+";
+ }
+ return "";
}
}
+ return "";
}
-/* returns the status value for a given user on a channel, e.g. STATUS_OP for
- * op, STATUS_VOICE for voice etc. If the user has several modes set, the
- * highest mode the user has must be returned. */
-
-int cstatus(userrec *user, chanrec *chan)
+int cflags(userrec *user, chanrec *chan)
{
if ((!chan) || (!user))
- {
- log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
return 0;
- }
- for (int i = 0; i != MAXCHANS; i++)
+ for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
{
- if (user->chans[i].channel)
+ if ((*i)->channel == chan)
{
- if ((!strcasecmp(user->chans[i].channel->name,chan->name)) && (chan != NULL))
- {
- if ((user->chans[i].uc_modes & UCMODE_OP) > 0)
- {
- return STATUS_OP;
- }
- if ((user->chans[i].uc_modes & UCMODE_HOP) > 0)
- {
- return STATUS_HOP;
- }
- if ((user->chans[i].uc_modes & UCMODE_VOICE) > 0)
- {
- return STATUS_VOICE;
- }
- return STATUS_NORMAL;
- }
+ return (*i)->uc_modes;
}
}
+ return 0;
}
-/* returns 1 if user u has channel c in their record, 0 if not */
+/* returns the status value for a given user on a channel, e.g. STATUS_OP for
+ * op, STATUS_VOICE for voice etc. If the user has several modes set, the
+ * highest mode the user has must be returned. */
-int has_channel(userrec *u, chanrec *c)
+int cstatus(userrec *user, chanrec *chan)
{
- if ((!u) || (!c))
+ if ((!chan) || (!user))
{
- log(DEFAULT,"*** BUG *** has_channel was given an invalid parameter");
+ log(DEFAULT,"*** BUG *** cstatus was given an invalid parameter");
return 0;
}
- for (int i =0; i != MAXCHANS; i++)
+
+ if (is_uline(user->server))
+ return STATUS_OP;
+
+ for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
{
- if (u->chans[i].channel)
+ if ((*i)->channel == chan)
{
- if (!strcasecmp(u->chans[i].channel->name,c->name))
+ if (((*i)->uc_modes & UCMODE_OP) > 0)
{
- return 1;
+ return STATUS_OP;
+ }
+ if (((*i)->uc_modes & UCMODE_HOP) > 0)
+ {
+ return STATUS_HOP;
+ }
+ if (((*i)->uc_modes & UCMODE_VOICE) > 0)
+ {
+ return STATUS_VOICE;
}
+ return STATUS_NORMAL;
}
}
- return 0;
+ return STATUS_NORMAL;
}
-
-void TidyBan(char *ban)
+std::string chlist(userrec *user,userrec* source)
{
- if (!ban) {
- log(DEFAULT,"*** BUG *** TidyBan was given an invalid parameter");
- return;
- }
+ std::string list;
- char temp[MAXBUF],NICK[MAXBUF],IDENT[MAXBUF],HOST[MAXBUF];
-
- strlcpy(temp,ban,MAXBUF);
-
- char* pos_of_pling = strchr(temp,'!');
- char* pos_of_at = strchr(temp,'@');
-
- pos_of_pling[0] = '\0';
- pos_of_at[0] = '\0';
- pos_of_pling++;
- pos_of_at++;
-
- strlcpy(NICK,temp,NICKMAX);
- strlcpy(IDENT,pos_of_pling,IDENTMAX+1);
- strlcpy(HOST,pos_of_at,160);
-
- snprintf(ban,MAXBUF,"%s!%s@%s",NICK,IDENT,HOST);
-}
-
-char lst[MAXBUF];
-
-char* chlist(userrec *user)
-{
- int i = 0;
- char cmp[MAXBUF];
-
- log(DEBUG,"chlist: %s",user->nick);
- strcpy(lst,"");
- if (!user)
- {
- return lst;
- }
- for (int i = 0; i != MAXCHANS; i++)
+ if (!user || !source)
+ return "";
+
+ for (std::vector<ucrec*>::const_iterator i = user->chans.begin(); i != user->chans.end(); i++)
{
- if (user->chans[i].channel != NULL)
- {
- if (user->chans[i].channel->name)
+ ucrec* rec = *i;
+
+ if(rec->channel && rec->channel->name)
+ {
+ /* If the target is the same as the sender, let them see all their channels.
+ * If the channel is NOT private/secret OR the user shares a common channel
+ * If the user is an oper, and the <options:operspywhois> option is set.
+ */
+ if ((source == user) || (*source->oper && Config->OperSpyWhois) || (((!rec->channel->modes[CM_PRIVATE]) && (!rec->channel->modes[CM_SECRET])) || (rec->channel->HasUser(source))))
{
- strlcpy(cmp,user->chans[i].channel->name,MAXBUF);
- strlcat(cmp," ",MAXBUF);
- if (!strstr(lst,cmp))
- {
- if ((!user->chans[i].channel->c_private) && (!user->chans[i].channel->secret))
- {
- strlcat(lst,cmode(user,user->chans[i].channel),MAXBUF);
- strlcat(lst,user->chans[i].channel->name,MAXBUF);
- strlcat(lst," ",MAXBUF);
- }
- }
+ list.append(cmode(user, rec->channel)).append(rec->channel->name).append(" ");
}
}
}
- if (strlen(lst))
- {
- lst[strlen(lst)-1] = '\0'; // chop trailing space
- }
- return lst;
+ return list;
}
-
-
-void send_network_quit(const char* nick, const char* reason)
-{
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
- NetSendToAll(buffer);
-}
-
-