* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
*
- * Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
- * the file COPYING for details.
+ * the file COPYING for details.
*
* ---------------------------------------------------
*/
-using namespace std;
+/* $Core: libIRCDhelper */
-#include "inspircd_config.h"
#include "inspircd.h"
-#include "inspircd_io.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <time.h>
-#include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
-#include <sstream>
-#include <vector>
-#include <deque>
-#include <stdarg.h>
-#include "connection.h"
-#include "users.h"
-#include "ctables.h"
-#include "globals.h"
-#include "modules.h"
-#include "dynamic.h"
#include "wildcard.h"
-#include "message.h"
-#include "mode.h"
#include "xline.h"
-#include "commands.h"
-#include "inspstring.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
-#include "typedefs.h"
-
-extern int MODCOUNT;
-extern std::vector<Module*> modules;
-extern ServerConfig *Config;
-extern InspIRCd* ServerInstance;
-extern time_t TIME;
-extern char lowermap[255];
-static char list[MAXBUF];
-extern userrec* fd_ref_table[65536];
-static char already_sent[65536];
-extern std::vector<userrec*> all_opers;
-extern user_hash clientlist;
-extern chan_hash chanlist;
-
-extern std::vector<userrec*> local_users;
-
-void log(int level,char *text, ...)
-{
- va_list argsPtr;
- struct tm * timeinfo;
- if (level < Config->LogLevel)
- return;
- char textbuffer[MAXBUF];
- timeinfo = localtime(&TIME);
-
- if (Config->log_file)
- {
- char b[26];
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- strlcpy(b,asctime(timeinfo),26);
- b[24] = ':'; // we know this is the end of the time string
- if (Config->log_file)
- fprintf(Config->log_file,"%s %s\n",b,textbuffer);
- if (Config->nofork)
- {
- // nofork enabled? display it on terminal too
- printf("%s %s\n",b,textbuffer);
- }
- }
-}
+#include "exitcodes.h"
-void readfile(file_cache &F, const char* fname)
+std::string InspIRCd::GetServerDescription(const char* servername)
{
- FILE* file;
- char linebuf[MAXBUF];
-
- log(DEBUG,"readfile: loading %s",fname);
- F.clear();
- file = fopen(fname,"r");
- if (file)
- {
- while (!feof(file))
- {
- fgets(linebuf,sizeof(linebuf),file);
- linebuf[strlen(linebuf)-1]='\0';
- if (!*linebuf)
- {
- strcpy(linebuf," ");
- }
- if (!feof(file))
- {
- F.push_back(linebuf);
- }
- }
- fclose(file);
- }
- else
- {
- log(DEBUG,"readfile: failed to load file: %s",fname);
- }
- log(DEBUG,"readfile: loaded %s, %lu lines",fname,(unsigned long)F.size());
-}
+ std::string description;
-void Write_NoFormat(int sock,char *text)
-{
- if ((sock < 0) || (!text))
- return;
+ FOREACH_MOD_I(this,I_OnGetServerDescription,OnGetServerDescription(servername,description));
- char tb[MAXBUF];
- int bytes = snprintf(tb,MAXBUF,"%s\r\n",text);
- chop(tb);
- if (fd_ref_table[sock])
+ if (!description.empty())
{
- if (Config->GetIOHook(fd_ref_table[sock]->port))
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- else
- {
- fd_ref_table[sock]->AddWriteBuf(tb);
- }
- ServerInstance->stats->statsSent += bytes;
+ return description;
}
- else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
-}
-
-void Write(int sock,char *text, ...)
-{
- if (sock < 0)
- return;
- if (!text)
- {
- log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
- return;
- }
- va_list argsPtr;
- char textbuffer[MAXBUF],tb[MAXBUF];
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- int bytes = snprintf(tb,MAXBUF,"%s\r\n",textbuffer);
- chop(tb);
- if (fd_ref_table[sock])
- {
- if (Config->GetIOHook(fd_ref_table[sock]->port))
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- else
- {
- fd_ref_table[sock]->AddWriteBuf(tb);
- }
- ServerInstance->stats->statsSent += bytes;
- }
- else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
-}
-
-void WriteServ_NoFormat(int sock, char* text)
-{
- if ((sock < 0) || (!text))
- return;
- char tb[MAXBUF];
- int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",Config->ServerName,text);
- chop(tb);
- if (fd_ref_table[sock])
+ else
{
- if (Config->GetIOHook(fd_ref_table[sock]->port))
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- else
- {
- fd_ref_table[sock]->AddWriteBuf(tb);
- }
- ServerInstance->stats->statsSent += bytes;
+ // not a remote server that can be found, it must be me.
+ return Config->ServerDesc;
}
- else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
}
-/* write a server formatted numeric response to a single socket */
-
-void WriteServ(int sock, char* text, ...)
+/* Find a user record by nickname and return a pointer to it */
+User* InspIRCd::FindNick(const std::string &nick)
{
- if (sock < 0)
- return;
- if (!text)
- {
- log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
- return;
- }
- va_list argsPtr;
- va_start (argsPtr, text);
- char textbuffer[MAXBUF],tb[MAXBUF];
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",Config->ServerName,textbuffer);
- chop(tb);
- if (fd_ref_table[sock])
- {
- if (Config->GetIOHook(fd_ref_table[sock]->port))
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- else
- {
- fd_ref_table[sock]->AddWriteBuf(tb);
- }
- ServerInstance->stats->statsSent += bytes;
- }
- else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
-}
+ if (!nick.empty() && isdigit(*nick.begin()))
+ return FindUUID(nick);
-void WriteFrom_NoFormat(int sock, userrec *user,char* text)
-{
- if ((sock < 0) || (!text) || (!user))
- return;
- char tb[MAXBUF];
- int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,text);
- chop(tb);
- if (fd_ref_table[sock])
- {
- if (Config->GetIOHook(fd_ref_table[sock]->port))
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- else
- {
- fd_ref_table[sock]->AddWriteBuf(tb);
- }
- ServerInstance->stats->statsSent += bytes;
- }
- else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
-}
+ user_hash::iterator iter = this->Users->clientlist->find(nick);
-/* write text from an originating user to originating user */
+ if (iter == this->Users->clientlist->end())
+ /* Couldn't find it */
+ return NULL;
-void WriteFrom(int sock, userrec *user,char* text, ...)
-{
- if (sock < 0)
- return;
- if ((!text) || (!user))
- {
- log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
- return;
- }
- va_list argsPtr;
- va_start (argsPtr, text);
- char textbuffer[MAXBUF],tb[MAXBUF];
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
- chop(tb);
- if (fd_ref_table[sock])
- {
- if (Config->GetIOHook(fd_ref_table[sock]->port))
- {
- Config->GetIOHook(fd_ref_table[sock]->port)->OnRawSocketWrite(sock,tb,bytes);
- }
- else
- {
- fd_ref_table[sock]->AddWriteBuf(tb);
- }
- ServerInstance->stats->statsSent += bytes;
- }
- else log(DEFAULT,"ERROR! attempted write to a user with no fd_ref_table entry!!!");
+ return iter->second;
}
-/* write text to an destination user from a source user (e.g. user privmsg) */
-
-void WriteTo(userrec *source, userrec *dest,char *data, ...)
+User* InspIRCd::FindNick(const char* nick)
{
- if ((!dest) || (!data))
- {
- log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
- return;
- }
- if (!IS_LOCAL(dest))
- return;
- char textbuffer[MAXBUF],tb[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, data);
- vsnprintf(textbuffer, MAXBUF, data, argsPtr);
- va_end(argsPtr);
- chop(tb);
-
- // if no source given send it from the server.
- if (!source)
- {
- WriteServ(dest->fd,":%s %s",Config->ServerName,textbuffer);
- }
- else
- {
- WriteFrom_NoFormat(dest->fd,source,textbuffer);
- }
-}
+ if (isdigit(*nick))
+ return FindUUID(nick);
-void WriteTo_NoFormat(userrec *source, userrec *dest,char *data)
-{
- if ((!dest) || (!data))
- return;
- if (!source)
- {
- WriteServ(dest->fd,":%s %s",Config->ServerName,data);
- }
- else
- {
- WriteFrom_NoFormat(dest->fd,source,data);
- }
-}
+ user_hash::iterator iter = this->Users->clientlist->find(nick);
+
+ if (iter == this->Users->clientlist->end())
+ return NULL;
-/* write formatted text from a source user to all users on a channel
- * including the sender (NOT for privmsg, notice etc!) */
+ return iter->second;
+}
-void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
+User* InspIRCd::FindNickOnly(const std::string &nick)
{
- if ((!Ptr) || (!user) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- std::vector<char*> *ulist = Ptr->GetUsers();
- unsigned int x = ulist->size();
- for (unsigned int j = 0; j < x; j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if (otheruser->fd != FD_MAGIC_NUMBER)
- WriteTo_NoFormat(user,otheruser,textbuffer);
- }
-}
+ user_hash::iterator iter = this->Users->clientlist->find(nick);
-/* write formatted text from a source user to all users on a channel
- * including the sender (NOT for privmsg, notice etc!) doesnt send to
- * users on remote servers */
+ if (iter == this->Users->clientlist->end())
+ return NULL;
-void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
-{
- if ((!Ptr) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- std::vector<char*> *ulist = Ptr->GetUsers();
- unsigned int x = ulist->size();
- for (unsigned int j = 0; j < x; j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser->fd != -1) && (otheruser != user))
- {
- if (!user)
- {
- WriteServ_NoFormat(otheruser->fd,textbuffer);
- }
- else
- {
- WriteTo_NoFormat(user,otheruser,textbuffer);
- }
- }
- }
+ return iter->second;
}
-void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...)
+User* InspIRCd::FindNickOnly(const char* nick)
{
- if ((!Ptr) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
-
- std::vector<char*> *ulist = Ptr->GetUsers();
- unsigned int x = ulist->size();
- for (unsigned int j = 0; j < x; j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if (IS_LOCAL(otheruser))
- WriteServ_NoFormat(otheruser->fd,textbuffer);
- }
-}
+ user_hash::iterator iter = this->Users->clientlist->find(nick);
-/* write formatted text from a source user to all users on a channel except
- * for the sender (for privmsg etc) */
+ if (iter == this->Users->clientlist->end())
+ return NULL;
-void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
-{
- if ((!Ptr) || (!user) || (!text))
- {
- log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- std::vector<char*> *ulist = Ptr->GetUsers();
- unsigned int x = ulist->size();
- for (unsigned int j = 0; j < x; j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if ((IS_LOCAL(otheruser)) && (user != otheruser))
- WriteFrom_NoFormat(otheruser->fd,user,textbuffer);
- }
+ return iter->second;
}
-std::string GetServerDescription(char* servername)
+User *InspIRCd::FindUUID(const std::string &uid)
{
- std::string description = "";
- FOREACH_MOD(I_OnGetServerDescription,OnGetServerDescription(servername,description));
- if (description != "")
- {
- return description;
- }
- else
- {
- return Config->ServerDesc; // not a remote server that can be found, it must be me.
- }
+ return FindUUID(uid.c_str());
}
-/* write a formatted string to all users who share at least one common
- * channel, including the source user e.g. for use in NICK */
-
-void WriteCommon(userrec *u, char* text, ...)
+User *InspIRCd::FindUUID(const char *uid)
{
- if (!u)
- {
- log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
- return;
- }
-
- if (u->registered != 7) {
- log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- // FIX: Stops a message going to the same person more than once
- memset(&already_sent,0,MAX_DESCRIPTORS);
-
- bool sent_to_at_least_one = false;
-
- unsigned int y = u->chans.size();
- for (unsigned int i = 0; i < y; i++)
- {
- if (u->chans[i].channel)
- {
- std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
- unsigned int x = ulist->size();
- for (unsigned int j = 0; j < x; j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
- {
- already_sent[otheruser->fd] = 1;
- WriteFrom_NoFormat(otheruser->fd,u,textbuffer);
- sent_to_at_least_one = true;
- }
- }
- }
- }
- // if the user was not in any channels, no users will receive the text. Make sure the user
- // receives their OWN message for WriteCommon
- if (!sent_to_at_least_one)
- {
- WriteFrom(u->fd,u,"%s",textbuffer);
- }
-}
+ user_hash::iterator finduuid = this->Users->uuidlist->find(uid);
-/* write a formatted string to all users who share at least one common
- * channel, NOT including the source user e.g. for use in QUIT */
+ if (finduuid == this->Users->uuidlist->end())
+ return NULL;
-void WriteCommonExcept(userrec *u, char* text, ...)
-{
- if (!u)
- {
- log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
- return;
- }
-
- if (u->registered != 7) {
- log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- memset(&already_sent,0,MAX_DESCRIPTORS);
-
- unsigned int y = u->chans.size();
- for (unsigned int i = 0; i < y; i++)
- {
- if (u->chans[i].channel)
- {
- std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
- unsigned int x = ulist->size();
- for (unsigned int j = 0; j < x; j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if (u != otheruser)
- {
- if ((otheruser->fd > -1) && (!already_sent[otheruser->fd]))
- {
- already_sent[otheruser->fd] = 1;
- WriteFrom_NoFormat(otheruser->fd,u,textbuffer);
- }
- }
- }
- }
- }
+ return finduuid->second;
}
-void WriteOpers(char* text, ...)
+/* find a channel record by channel name and return a pointer to it */
+Channel* InspIRCd::FindChan(const char* chan)
{
- if (!text)
- {
- log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
- {
- userrec* a = *i;
- if (IS_LOCAL(a))
- {
- if (strchr(a->modes,'s'))
- {
- // send server notices to all with +s
- WriteServ(a->fd,"NOTICE %s :%s",a->nick,textbuffer);
- }
- }
- }
+ chan_hash::iterator iter = chanlist->find(chan);
+
+ if (iter == chanlist->end())
+ /* Couldn't find it */
+ return NULL;
+
+ return iter->second;
}
-void ServerNoticeAll(char* text, ...)
+Channel* InspIRCd::FindChan(const std::string &chan)
{
- if (!text)
- return;
+ chan_hash::iterator iter = chanlist->find(chan);
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
+ if (iter == chanlist->end())
+ /* Couldn't find it */
+ return NULL;
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- WriteServ(t->fd,"NOTICE $%s :%s",Config->ServerName,textbuffer);
- }
+ return iter->second;
}
-void ServerPrivmsgAll(char* text, ...)
+/* Send an error notice to all users, registered or not */
+void InspIRCd::SendError(const std::string &s)
{
- if (!text)
- return;
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ for (std::vector<User*>::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++)
{
- userrec* t = (userrec*)(*i);
- WriteServ(t->fd,"PRIVMSG $%s :%s",Config->ServerName,textbuffer);
+ if ((*i)->registered == REG_ALL)
+ {
+ (*i)->WriteServ("NOTICE %s :%s",(*i)->nick,s.c_str());
+ }
+ else
+ {
+ /* Unregistered connections receive ERROR, not a NOTICE */
+ (*i)->Write("ERROR :" + s);
+ }
+ /* This might generate a whole load of EAGAIN, but we dont really
+ * care about this, as if we call SendError something catastrophic
+ * has occured anyway, and we wont receive the events for these.
+ */
+ (*i)->FlushWriteBuf();
}
}
-void WriteMode(const char* modes, int flags, const char* text, ...)
+/* return channel count */
+long InspIRCd::ChannelCount()
{
- if ((!text) || (!modes) || (!flags))
- {
- log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- int modelen = strlen(modes);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- bool send_to_user = false;
- if (flags == WM_AND)
- {
- send_to_user = true;
- for (int n = 0; n < modelen; n++)
- {
- if (!hasumode(t,modes[n]))
- {
- send_to_user = false;
- break;
- }
- }
- }
- else if (flags == WM_OR)
- {
- send_to_user = false;
- for (int n = 0; n < modelen; n++)
- {
- if (hasumode(t,modes[n]))
- {
- send_to_user = true;
- break;
- }
- }
- }
- if (send_to_user)
- {
- WriteServ(t->fd,"NOTICE %s :%s",t->nick,textbuffer);
- }
- }
+ return chanlist->size();
}
-void NoticeAll(userrec *source, bool local_only, char* text, ...)
+bool InspIRCd::IsValidMask(const std::string &mask)
{
- if ((!text) || (!source))
- {
- log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- WriteFrom(t->fd,source,"NOTICE $* :%s",textbuffer);
- }
+ char* dest = (char*)mask.c_str();
+ int exclamation = 0;
+ int atsign = 0;
-}
+ for (char* i = dest; *i; i++)
+ {
+ /* out of range character, bad mask */
+ if (*i < 32 || *i > 126)
+ {
+ return false;
+ }
+ switch (*i)
+ {
+ case '!':
+ exclamation++;
+ break;
+ case '@':
+ atsign++;
+ break;
+ }
+ }
-void WriteWallOps(userrec *source, bool local_only, char* text, ...)
-{
- if ((!text) || (!source))
- {
- log(DEFAULT,"*** BUG *** WriteOpers was given an invalid parameter");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- if ((IS_LOCAL(t)) && (strchr(t->modes,'w')))
- {
- WriteTo(source,t,"WALLOPS :%s",textbuffer);
- }
- }
-}
+ /* valid masks only have 1 ! and @ */
+ if (exclamation != 1 || atsign != 1)
+ return false;
-/* convert a string to lowercase. Note following special circumstances
- * taken from RFC 1459. Many "official" server branches still hold to this
- * rule so i will too;
- *
- * Because of IRC's scandanavian origin, the characters {}| are
- * considered to be the lower case equivalents of the characters []\,
- * respectively. This is a critical issue when determining the
- * equivalence of two nicknames.
- */
+ return true;
+}
-void strlower(char *n)
+/* true for valid channel name, false else */
+bool IsChannelHandler::Call(const char *chname)
{
- if (n)
- {
- for (char* t = n; *t; t++)
- *t = lowermap[(unsigned)*t];
- }
-}
+ char *c;
-/* Find a user record by nickname and return a pointer to it */
+ /* check for no name - don't check for !*chname, as if it is empty, it won't be '#'! */
+ if (!chname || *chname != '#')
+ {
+ return false;
+ }
-userrec* Find(std::string nick)
-{
- user_hash::iterator iter = clientlist.find(nick);
+ c = (char *)chname + 1;
+ while (*c)
+ {
+ switch (*c)
+ {
+ case ' ':
+ case ',':
+ case 7:
+ return false;
+ }
- if (iter == clientlist.end())
- /* Couldn't find it */
- return NULL;
+ c++;
+ }
+
+ /* too long a name - note funky pointer arithmetic here. */
+ if ((c - chname) > CHANMAX)
+ {
+ return false;
+ }
- return iter->second;
+ return true;
}
-/* find a channel record by channel name and return a pointer to it */
-
-chanrec* FindChan(const char* chan)
+/* true for valid nickname, false else */
+bool IsNickHandler::Call(const char* n)
{
- if (!chan)
- {
- log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
- return NULL;
- }
-
- chan_hash::iterator iter = chanlist.find(chan);
-
- if (iter == chanlist.end())
- /* Couldn't find it */
- return NULL;
+ if (!n || !*n)
+ return false;
+
+ int p = 0;
+ for (char* i = (char*)n; *i; i++, p++)
+ {
+ if ((*i >= 'A') && (*i <= '}'))
+ {
+ /* "A"-"}" can occur anywhere in a nickname */
+ continue;
+ }
- return iter->second;
-}
+ if ((((*i >= '0') && (*i <= '9')) || (*i == '-')) && (i > n))
+ {
+ /* "0"-"9", "-" can occur anywhere BUT the first char of a nickname */
+ continue;
+ }
+ /* invalid character! abort */
+ return false;
+ }
-long GetMaxBans(char* name)
-{
- char CM[MAXBUF];
- for (int count = 0; count < Config->ConfValueEnum("banlist",&Config->config_f); count++)
- {
- Config->ConfValue("banlist","chan",count,CM,&Config->config_f);
- if (match(name,CM))
- {
- Config->ConfValue("banlist","limit",count,CM,&Config->config_f);
- return atoi(CM);
- }
- }
- return 64;
+ /* too long? or not -- pointer arithmetic rocks */
+ return (p < NICKMAX - 1);
}
-void purge_empty_chans(userrec* u)
+/* return true for good ident, false else */
+bool IsIdentHandler::Call(const char* n)
{
+ if (!n || !*n)
+ return false;
- int purge = 0;
-
- // firstly decrement the count on each channel
- for (unsigned int f = 0; f < u->chans.size(); f++)
- {
- if (u->chans[f].channel)
- {
- u->chans[f].channel->DelUser((char*)u);
- }
- }
-
- for (unsigned int i = 0; i < u->chans.size(); i++)
- {
- if (u->chans[i].channel)
- {
- if (!usercount(u->chans[i].channel))
- {
- chan_hash::iterator i2 = chanlist.find(u->chans[i].channel->name);
- /* kill the record */
- if (i2 != chanlist.end())
- {
- log(DEBUG,"del_channel: destroyed: %s",i2->second->name);
- if (i2->second)
- delete i2->second;
- chanlist.erase(i2);
- purge++;
- u->chans[i].channel = NULL;
- }
- }
- else
- {
- log(DEBUG,"skipped purge for %s",u->chans[i].channel->name);
- }
- }
- }
- log(DEBUG,"completed channel purge, killed %lu",(unsigned long)purge);
-
- DeleteOper(u);
-}
-
-
-char* chanmodes(chanrec *chan)
-{
- static char scratch[MAXBUF];
- static char sparam[MAXBUF];
- char* offset = scratch;
-
- if (!chan)
- {
- log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
- *scratch = '\0';
- return scratch;
- }
-
- *scratch = '\0';
- *sparam = '\0';
- if (chan->binarymodes & CM_NOEXTERNAL)
- *offset++ = 'n';
- if (chan->binarymodes & CM_TOPICLOCK)
- *offset++ = 't';
- if (*chan->key)
- *offset++ = 'k';
- if (chan->limit)
- *offset++ = 'l';
- if (chan->binarymodes & CM_INVITEONLY)
- *offset++ = 'i';
- if (chan->binarymodes & CM_MODERATED)
- *offset++ = 'm';
- if (chan->binarymodes & CM_SECRET)
- *offset++ = 's';
- if (chan->binarymodes & CM_PRIVATE)
- *offset++ = 'p';
- if (*chan->key)
- snprintf(sparam,MAXBUF," %s",chan->key);
- if (chan->limit)
- {
- char foo[24];
- sprintf(foo," %lu",(unsigned long)chan->limit);
- strlcat(sparam,foo,MAXBUF);
- }
- if (*chan->custom_modes)
- {
- for (char* t = chan->custom_modes; *t; t++)
- *offset++ = *t;
- for (int z = 0; chan->custom_modes[z]; z++)
- {
- std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
- if (extparam != "")
- {
- strlcat(sparam," ",MAXBUF);
- strlcat(sparam,extparam.c_str(),MAXBUF);
- }
- }
- }
- /* Null terminate scratch */
- *offset = '\0';
- strlcat(scratch,sparam,MAXMODES);
- return scratch;
-}
+ for (char* i = (char*)n; *i; i++)
+ {
+ if ((*i >= 'A') && (*i <= '}'))
+ {
+ continue;
+ }
+ if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.'))
+ {
+ continue;
+ }
-/* compile a userlist of a channel into a string, each nick seperated by
- * spaces and op, voice etc status shown as @ and + */
+ return false;
+ }
-void userlist(userrec *user,chanrec *c)
-{
- if ((!c) || (!user))
- {
- log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
- return;
- }
-
- snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
-
- std::vector<char*> *ulist = c->GetUsers();
- for (unsigned int i = 0; i < ulist->size(); i++)
- {
- char* o = (*ulist)[i];
- userrec* otheruser = (userrec*)o;
- if ((!has_channel(user,c)) && (strchr(otheruser->modes,'i')))
- {
- /* user is +i, and source not on the channel, does not show
- * nick in NAMES list */
- continue;
- }
- strlcat(list,cmode(otheruser,c),MAXBUF);
- strlcat(list,otheruser->nick,MAXBUF);
- strlcat(list," ",MAXBUF);
- if (strlen(list)>(480-NICKMAX))
- {
- /* list overflowed into
- * multiple numerics */
- WriteServ(user->fd,"%s",list);
- snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
- }
- }
- /* if whats left in the list isnt empty, send it */
- if (list[strlen(list)-1] != ':')
- {
- WriteServ(user->fd,"%s",list);
- }
+ return true;
}
-/* return a count of the users on a specific channel accounting for
- * invisible users who won't increase the count. e.g. for /LIST */
-
-int usercount_i(chanrec *c)
+bool IsSIDHandler::Call(const std::string &str)
{
- int count = 0;
-
- if (!c)
- {
- log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
- return 0;
- }
-
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if (has_channel(i->second,c))
- {
- if (i->second->registered == 7)
- {
- if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
- {
- /* user is +i, and source not on the channel, does not show
- * nick in NAMES list */
- continue;
- }
- count++;
- }
- }
- }
- log(DEBUG,"usercount_i: %s %lu",c->name,(unsigned long)count);
- return count;
+ /* Returns true if the string given is exactly 3 characters long,
+ * starts with a digit, and the other two characters are A-Z or digits
+ */
+ return ((str.length() == 3) && isdigit(str[0]) &&
+ ((str[1] >= 'A' && str[1] <= 'Z') || isdigit(str[1])) &&
+ ((str[2] >= 'A' && str[2] <= 'Z') || isdigit(str[2])));
}
-
-int usercount(chanrec *c)
+/* open the proper logfile */
+bool InspIRCd::OpenLog(char**, int)
{
- return (c ? c->GetUserCounter() : 0);
-}
-
+ /* This function only happens at startup now */
+ if (Config->nofork)
+ {
+ this->Logs->SetupNoFork();
+ }
+ Config->MyDir = Config->GetFullProgDir();
-// looks up a users password for their connection class (<ALLOW>/<DENY> tags)
+ /* Attempt to find home directory, portable to windows */
+ const char* home = getenv("HOME");
+ if (!home)
+ {
+ /* No $HOME, log to %USERPROFILE% */
+ home = getenv("USERPROFILE");
+ if (!home)
+ {
+ /* Nothing could be found at all, log to current dir */
+ Config->logpath = "./startup.log";
+ }
+ }
-char* Passwd(userrec *user)
-{
- for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++)
- {
- if ((i->type == CC_ALLOW) && match(user->host,i->host.c_str()))
- {
- return (char*)i->pass.c_str();
- }
- }
- return "";
-}
+ if (!Config->writelog) return true; // Skip opening default log if -nolog
-bool IsDenied(userrec *user)
-{
- for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++)
- {
- if ((i->type == CC_DENY) && match(user->host,i->host.c_str()))
- {
- return true;
- }
- }
- return false;
-}
+ if (!*this->LogFileName)
+ {
+ if (Config->logpath.empty())
+ {
+ std::string path = std::string(home) + "/.inspircd";
+ // This tries to create the ~/.inspircd. If it succeeds, then we go ahead and use it.
+ // If it fails due to an existing target, then we use it anyway.
+ // Either way, we make sure we can get write access to the log at this point.
+ if (!mkdir(path.c_str(), 0700) || errno == EEXIST)
+ {
+ /* Log to ~/.inspircd/ircd.log */
+ Config->logpath = path + "/startup.log";
+ FILE* fd = fopen(Config->logpath.c_str(), "a+");
+ if (!fd)
+ {
+ // Could not get write access... Why?
+ if (errno == ENOTDIR)
+ // ~/.inspircd is not actually a directory!
+ printf("\nWARNING: Unable to create directory: %s (Exists and is not a directory)\n", path.c_str());
+ else
+ // Not writable for some other reason (no +w access, readonly fs, file too big, whatever).
+ printf("\nWARNING: No write access to %s (%s)\n", Config->logpath.c_str(), strerror(errno));
+ Config->logpath = "./startup.log";
+ }
+ else
+ {
+ Config->log_file = fd;
+ }
+ }
+ else
+ {
+ /* Couldn't make ~/.inspircd directory, log to current dir */
+ Config->logpath = "./startup.log";
+ printf("\nWARNING: Unable to create directory: %s (%s)\n", path.c_str(), strerror(errno));
+ }
+ }
+ if (!Config->log_file)
+ Config->log_file = fopen(Config->logpath.c_str(),"a+");
+ }
+ else
+ {
+ Config->log_file = fopen(this->LogFileName,"a+");
+ }
+ if (!Config->log_file)
+ {
+ return false;
+ }
+ FileWriter* fw = new FileWriter(this, Config->log_file);
+ FileLogStream *f = new FileLogStream(this, (Config->forcedebug ? DEBUG : DEFAULT), fw);
-/* sends out an error notice to all connected clients (not to be used
- * lightly!) */
+ this->Logs->AddLogType("*", f, true);
-void send_error(char *s)
-{
- log(DEBUG,"send_error: %s",s);
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- if (t->registered == 7)
- {
- WriteServ(t->fd,"NOTICE %s :%s",t->nick,s);
- }
- else
- {
- // fix - unregistered connections receive ERROR, not NOTICE
- Write(t->fd,"ERROR :%s",s);
- }
- }
+ return true;
}
-void Error(int status)
+void InspIRCd::CheckRoot()
{
- signal (SIGALRM, SIG_IGN);
- signal (SIGPIPE, SIG_IGN);
- signal (SIGTERM, SIG_IGN);
- signal (SIGABRT, SIG_IGN);
- signal (SIGSEGV, SIG_IGN);
- signal (SIGURG, SIG_IGN);
- signal (SIGKILL, SIG_IGN);
- log(DEFAULT,"*** fell down a pothole in the road to perfection ***");
- send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
- Exit(status);
+ if (geteuid() == 0)
+ {
+ printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
+ this->Logs->Log("STARTUP",DEFAULT,"Cant start as root");
+ Exit(EXIT_STATUS_ROOT);
+ }
}
-// this function counts all users connected, wether they are registered or NOT.
-int usercnt(void)
+void InspIRCd::CheckDie()
{
- return clientlist.size();
+ if (*Config->DieValue)
+ {
+ printf("WARNING: %s\n\n",Config->DieValue);
+ this->Logs->Log("CONFIG",DEFAULT,"Died because of <die> tag: %s",Config->DieValue);
+ Exit(EXIT_STATUS_DIETAG);
+ }
}
-// this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state
-int registered_usercount(void)
+void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const std::string &text)
{
- int c = 0;
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if (i->second->registered == 7) c++;
- }
- return c;
-}
+ std::string copy_text = text;
-int usercount_invisible(void)
-{
- int c = 0;
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if ((i->second->registered == 7) && (strchr(i->second->modes,'i'))) c++;
- }
- return c;
-}
+ int MOD_RESULT = 0;
+ FOREACH_RESULT_I(this, I_OnWhoisLine, OnWhoisLine(user, dest, numeric, copy_text));
-int usercount_opers(void)
-{
- return all_opers.size();
+ if (!MOD_RESULT)
+ user->WriteServ("%d %s", numeric, copy_text.c_str());
}
-int usercount_unknown(void)
+void InspIRCd::SendWhoisLine(User* user, User* dest, int numeric, const char* format, ...)
{
- int c = 0;
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- if (t->registered != 7)
- c++;
- }
- return c;
-}
+ char textbuffer[MAXBUF];
+ va_list argsPtr;
+ va_start (argsPtr, format);
+ vsnprintf(textbuffer, MAXBUF, format, argsPtr);
+ va_end(argsPtr);
-long chancount(void)
-{
- return chanlist.size();
+ this->SendWhoisLine(user, dest, numeric, std::string(textbuffer));
}
-long local_count()
+/** Refactored by Brain, Jun 2008. Much faster with some clever O(1) array
+ * lookups and pointer maths.
+ */
+long InspIRCd::Duration(const std::string &str)
{
- int c = 0;
- for (std::vector<userrec*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
- {
- userrec* t = (userrec*)(*i);
- if (t->registered == 7) c++;
- }
- return c;
-}
+ unsigned char multiplier = 0;
+ long total = 0;
+ long times = 1;
+ long subtotal = 0;
-void ShowMOTD(userrec *user)
-{
- static char mbuf[MAXBUF];
- static char crud[MAXBUF];
- std::string WholeMOTD = "";
- if (!Config->MOTD.size())
- {
- WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
- return;
- }
- snprintf(crud,MAXBUF,":%s 372 %s :- ", Config->ServerName, user->nick);
- snprintf(mbuf,MAXBUF,":%s 375 %s :- %s message of the day\r\n", Config->ServerName, user->nick, Config->ServerName);
- WholeMOTD = WholeMOTD + mbuf;
- for (unsigned int i = 0; i < Config->MOTD.size(); i++)
- WholeMOTD = WholeMOTD + std::string(crud) + Config->MOTD[i].c_str() + std::string("\r\n");
- snprintf(mbuf,MAXBUF,":%s 376 %s :End of message of the day.\r\n", Config->ServerName, user->nick);
- WholeMOTD = WholeMOTD + mbuf;
- // only one write operation
- if (Config->GetIOHook(user->port))
+ /* Iterate each item in the string, looking for number or multiplier */
+ for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i)
{
- Config->GetIOHook(user->port)->OnRawSocketWrite(user->fd,(char*)WholeMOTD.c_str(),WholeMOTD.length());
+ /* Found a number, queue it onto the current number */
+ if ((*i >= '0') && (*i <= '9'))
+ {
+ subtotal = subtotal + ((*i - '0') * times);
+ times = times * 10;
+ }
+ else
+ {
+ /* Found something thats not a number, find out how much
+ * it multiplies the built up number by, multiply the total
+ * and reset the built up number.
+ */
+ if (subtotal)
+ total += subtotal * duration_multi[multiplier];
+
+ /* Next subtotal please */
+ subtotal = 0;
+ multiplier = *i;
+ times = 1;
+ }
}
- else
+ if (multiplier)
{
- user->AddWriteBuf(WholeMOTD);
+ total += subtotal * duration_multi[multiplier];
+ subtotal = 0;
}
- ServerInstance->stats->statsSent += WholeMOTD.length();
+ /* Any trailing values built up are treated as raw seconds */
+ return total + subtotal;
}
-void ShowRULES(userrec *user)
+bool InspIRCd::ULine(const char* sserver)
{
- if (!Config->RULES.size())
- {
- WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
- return;
- }
- WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,Config->ServerName);
- for (unsigned int i = 0; i < Config->RULES.size(); i++)
- WriteServ(user->fd,"NOTICE %s :%s",user->nick,Config->RULES[i].c_str());
- WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,Config->ServerName);
-}
-
-// this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
-// (until this returns true, a user will block in the waiting state, waiting to connect up to the
-// registration timeout maximum seconds)
-bool AllModulesReportReady(userrec* user)
-{
- if (!Config->global_implementation[I_OnCheckReady])
+ if (!sserver)
+ return false;
+ if (!*sserver)
return true;
- for (int i = 0; i <= MODCOUNT; i++)
- {
- if (Config->implement_lists[i][I_OnCheckReady])
- {
- int res = modules[i]->OnCheckReady(user);
- if (!res)
- return false;
- }
- }
- return true;
+
+ return (Config->ulines.find(sserver) != Config->ulines.end());
}
-bool DirValid(char* dirandfile)
+bool InspIRCd::SilentULine(const char* sserver)
{
- char work[MAXBUF];
- char buffer[MAXBUF], otherdir[MAXBUF];
- strlcpy(work,dirandfile,MAXBUF);
- int p = strlen(work);
- // we just want the dir
- while (*work)
- {
- if (work[p] == '/')
- {
- work[p] = '\0';
- break;
- }
- work[p--] = '\0';
- }
- // Get the current working directory
- if( getcwd( buffer, MAXBUF ) == NULL )
- return false;
- chdir(work);
- if( getcwd( otherdir, MAXBUF ) == NULL )
- return false;
- chdir(buffer);
- if (strlen(otherdir) >= strlen(work))
- {
- otherdir[strlen(work)] = '\0';
- if (!strcmp(otherdir,work))
- {
- return true;
- }
- return false;
- }
- else return false;
+ std::map<irc::string,bool>::iterator n = Config->ulines.find(sserver);
+ if (n != Config->ulines.end())
+ return n->second;
+ else return false;
}
-std::string GetFullProgDir(char** argv, int argc)
+std::string InspIRCd::TimeString(time_t curtime)
{
- char work[MAXBUF];
- char buffer[MAXBUF], otherdir[MAXBUF];
- strlcpy(work,argv[0],MAXBUF);
- int p = strlen(work);
- // we just want the dir
- while (*work)
- {
- if (work[p] == '/')
- {
- work[p] = '\0';
- break;
- }
- work[p--] = '\0';
- }
- // Get the current working directory
- if( getcwd( buffer, MAXBUF ) == NULL )
- return "";
- chdir(work);
- if( getcwd( otherdir, MAXBUF ) == NULL )
- return "";
- chdir(buffer);
- return otherdir;
+ return std::string(ctime(&curtime),24);
}