/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2008 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2009 Alexander Barton (alex@barton.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <stdlib.h>
#include <string.h>
#include <errno.h>
+#include <stdio.h>
#include <strings.h>
#include "defines.h"
#include "conn-func.h"
-#include "client.h"
#include "exp.h"
#include "channel.h"
#include "imp.h"
#include "irc-write.h"
-#include "resolve.h"
#include "conf.h"
#include "hash.h"
#include "lists.h"
#include "log.h"
#include "messages.h"
+#include "match.h"
#include "exp.h"
static bool Remove_Client PARAMS(( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, const char *Reason, bool InformServer ));
static CL2CHAN *Get_First_Cl2Chan PARAMS(( CLIENT *Client, CHANNEL *Chan ));
static CL2CHAN *Get_Next_Cl2Chan PARAMS(( CL2CHAN *Start, CLIENT *Client, CHANNEL *Chan ));
-static bool Delete_Channel PARAMS(( CHANNEL *Chan ));
+static void Delete_Channel PARAMS(( CHANNEL *Chan ));
+static void Free_Channel PARAMS(( CHANNEL *Chan ));
+static void Set_KeyFile PARAMS((CHANNEL *Chan, const char *KeyFile));
GLOBAL void
Channel_Init( void )
{
+ CHANNEL *sc;
+
My_Channels = NULL;
My_Cl2Chan = NULL;
+
+ sc = Channel_Create("&SERVER");
+ if (sc) {
+ Channel_SetModes(sc, "mnPt");
+ Channel_SetTopic(sc, Client_ThisServer(), "Server Messages");
+ }
} /* Channel_Init */
{
/* Generate predefined persistent channels */
- CHANNEL *chan;
- char *c;
- unsigned int i;
+ CHANNEL *new_chan;
+ const struct Conf_Channel *conf_chan;
+ const char *c;
+ size_t i, channel_count = array_length(&Conf_Channels, sizeof(*conf_chan));
- for( i = 0; i < Conf_Channel_Count; i++ )
- {
- /* Check for Name configuration */
- if( ! Conf_Channel[i].name[0] ) continue;
+ conf_chan = array_start(&Conf_Channels);
- /* Check for invalid channel name */
- if( ! Channel_IsValidName( Conf_Channel[i].name ))
- {
- Log( LOG_ERR, "Can't create pre-defined channel: invalid name: \"%s\"!", Conf_Channel[i].name );
- array_free(&Conf_Channel[i].topic);
+ assert(channel_count == 0 || conf_chan != NULL);
+
+ for (i = 0; i < channel_count; i++, conf_chan++) {
+ if (!conf_chan->name[0] || !Channel_IsValidName(conf_chan->name)) {
+ Log(LOG_ERR, "Can't create pre-defined channel: invalid name: \"%s\"",
+ conf_chan->name);
continue;
}
- /* Check if the channel name is already in use */
- chan = Channel_Search( Conf_Channel[i].name );
- if( chan )
- {
- Log( LOG_INFO, "Can't create pre-defined channel \"%s\": name already in use.", Conf_Channel[i].name );
- array_free(&Conf_Channel[i].topic);
+ new_chan = Channel_Search(conf_chan->name);
+ if (new_chan) {
+ Log(LOG_INFO,
+ "Can't create pre-defined channel \"%s\": name already in use.",
+ conf_chan->name);
+ Set_KeyFile(new_chan, conf_chan->keyfile);
continue;
}
- /* Create channel */
- chan = Channel_Create(Conf_Channel[i].name);
- if (chan) {
- Channel_ModeAdd(chan, 'P');
+ new_chan = Channel_Create(conf_chan->name);
+ if (!new_chan) {
+ Log(LOG_ERR, "Can't create pre-defined channel \"%s\"",
+ conf_chan->name);
+ continue;
+ }
+ Log(LOG_INFO, "Created pre-defined channel \"%s\"",
+ conf_chan->name);
- if (array_start(&Conf_Channel[i].topic) != NULL)
- Channel_SetTopic(chan, NULL,
- array_start(&Conf_Channel[i].topic));
- array_free(&Conf_Channel[i].topic);
+ Channel_ModeAdd(new_chan, 'P');
- c = Conf_Channel[i].modes;
- while (*c)
- Channel_ModeAdd(chan, *c++);
+ if (conf_chan->topic[0])
+ Channel_SetTopic(new_chan, NULL, conf_chan->topic);
- Channel_SetKey(chan, Conf_Channel[i].key);
- Channel_SetMaxUsers(chan, Conf_Channel[i].maxusers);
+ c = conf_chan->modes;
+ while (*c)
+ Channel_ModeAdd(new_chan, *c++);
- Log(LOG_INFO, "Created pre-defined channel \"%s\".",
- Conf_Channel[i].name );
- }
- else Log(LOG_ERR, "Can't create pre-defined channel \"%s\"!",
- Conf_Channel[i].name );
+ Channel_SetKey(new_chan, conf_chan->key);
+ Channel_SetMaxUsers(new_chan, conf_chan->maxusers);
+ Set_KeyFile(new_chan, conf_chan->keyfile);
}
+ if (channel_count)
+ array_free(&Conf_Channels);
} /* Channel_InitPredefined */
+static void
+Free_Channel(CHANNEL *chan)
+{
+ array_free(&chan->topic);
+ array_free(&chan->keyfile);
+ Lists_Free(&chan->list_bans);
+ Lists_Free(&chan->list_invites);
+
+ free(chan);
+}
+
+
GLOBAL void
Channel_Exit( void )
{
/* free struct Channel */
c = My_Channels;
- while( c )
- {
+ while (c) {
c_next = c->next;
- array_free(&c->topic);
- free( c );
+ Free_Channel(c);
c = c_next;
}
/* Free Channel allocation table */
cl2chan = My_Cl2Chan;
- while( c )
- {
+ while (cl2chan) {
cl2chan_next = cl2chan->next;
- free( cl2chan );
+ free(cl2chan);
cl2chan = cl2chan_next;
}
} /* Channel_Exit */
* Add_Client().
*/
GLOBAL bool
-Channel_Join( CLIENT *Client, char *Name )
+Channel_Join( CLIENT *Client, const char *Name )
{
CHANNEL *chan;
} /* Channel_Part */
-/* Kick user from Channel */
+/**
+ * Kick user from Channel
+ */
GLOBAL void
-Channel_Kick( CLIENT *Client, CLIENT *Origin, const char *Name, const char *Reason )
+Channel_Kick(CLIENT *Peer, CLIENT *Target, CLIENT *Origin, const char *Name,
+ const char *Reason )
{
CHANNEL *chan;
- assert( Client != NULL );
- assert( Origin != NULL );
- assert( Name != NULL );
- assert( Reason != NULL );
+ assert(Peer != NULL);
+ assert(Target != NULL);
+ assert(Origin != NULL);
+ assert(Name != NULL);
+ assert(Reason != NULL);
/* Check that channel exists */
chan = Channel_Search( Name );
return;
}
- /* Check that user is on the specified channel */
- if( ! Channel_IsMemberOf( chan, Origin ))
- {
- IRC_WriteStrClient( Origin, ERR_NOTONCHANNEL_MSG, Client_ID( Origin ), Name );
- return;
- }
+ if (Client_Type(Peer) != CLIENT_SERVER &&
+ Client_Type(Origin) != CLIENT_SERVICE) {
+ /* Check that user is on the specified channel */
+ if (!Channel_IsMemberOf(chan, Origin)) {
+ IRC_WriteStrClient( Origin, ERR_NOTONCHANNEL_MSG,
+ Client_ID(Origin), Name);
+ return;
+ }
- /* Check if user has operator status */
- if( ! strchr( Channel_UserModes( chan, Origin ), 'o' ))
- {
- IRC_WriteStrClient( Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Origin ), Name);
- return;
+ /* Check if user has operator status */
+ if (!strchr(Channel_UserModes(chan, Origin), 'o')) {
+ IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin), Name);
+ return;
+ }
}
/* Check that the client to be kicked is on the specified channel */
- if( ! Channel_IsMemberOf( chan, Client ))
- {
- IRC_WriteStrClient( Origin, ERR_USERNOTINCHANNEL_MSG, Client_ID( Origin ), Client_ID( Client ), Name );
+ if (!Channel_IsMemberOf(chan, Target)) {
+ IRC_WriteStrClient(Origin, ERR_USERNOTINCHANNEL_MSG,
+ Client_ID(Origin), Client_ID(Target), Name );
return;
}
/* Kick Client from channel */
- Remove_Client( REMOVE_KICK, chan, Client, Origin, Reason, true);
+ Remove_Client( REMOVE_KICK, chan, Target, Origin, Reason, true);
} /* Channel_Kick */
GLOBAL void
-Channel_Quit( CLIENT *Client, char *Reason )
+Channel_Quit( CLIENT *Client, const char *Reason )
{
CHANNEL *c, *next_c;
if (strlen(Name) <= 1)
return false;
#endif
- if (strchr("+#", Name[0]) == NULL)
+ if (strchr("#&+", Name[0]) == NULL)
return false;
if (strlen(Name) >= CHANNEL_NAME_LEN)
return false;
GLOBAL void
-Channel_SetTopic(CHANNEL *Chan, CLIENT *Client, char *Topic)
+Channel_SetTopic(CHANNEL *Chan, CLIENT *Client, const char *Topic)
{
size_t len;
assert( Chan != NULL );
GLOBAL void
-Channel_SetModes( CHANNEL *Chan, char *Modes )
+Channel_SetModes( CHANNEL *Chan, const char *Modes )
{
assert( Chan != NULL );
assert( Modes != NULL );
GLOBAL void
-Channel_SetKey( CHANNEL *Chan, char *Key )
+Channel_SetKey( CHANNEL *Chan, const char *Key )
{
assert( Chan != NULL );
assert( Key != NULL );
is_member = has_voice = is_op = false;
+ /* The server itself always can send messages :-) */
+ if (Client_ThisServer() == From)
+ return true;
+
if (Channel_IsMemberOf(Chan, From)) {
is_member = true;
if (strchr(Channel_UserModes(Chan, From), 'v'))
GLOBAL CHANNEL *
-Channel_Create( char *Name )
+Channel_Create( const char *Name )
{
/* Create new CHANNEL structure and add it to linked list */
CHANNEL *c;
cl2chan->next = My_Cl2Chan;
My_Cl2Chan = cl2chan;
- Log( LOG_DEBUG, "User \"%s\" joined channel \"%s\".", Client_Mask( Client ), Chan->name );
+ LogDebug("User \"%s\" joined channel \"%s\".", Client_Mask(Client), Chan->name);
return cl2chan;
} /* Add_Client */
assert( Origin != NULL );
assert( Reason != NULL );
+ /* Do not inform other servers if the channel is local to this server,
+ * regardless of what the caller requested! */
+ if(InformServer)
+ InformServer = !Channel_IsLocal(Chan);
+
last_cl2chan = NULL;
cl2chan = My_Cl2Chan;
while( cl2chan )
switch( Type )
{
case REMOVE_QUIT:
- /* QUIT: other servers have already been notified, see Client_Destroy();
- * so only inform other clients in same channel. */
+ /* QUIT: other servers have already been notified,
+ * see Client_Destroy(); so only inform other clients
+ * in same channel. */
assert( InformServer == false );
LogDebug("User \"%s\" left channel \"%s\" (%s).",
Client_Mask( Client ), c->name, Reason );
break;
case REMOVE_KICK:
- /* User was KICKed: inform other servers and all users in channel */
+ /* User was KICKed: inform other servers (public
+ * channels) and all users in the channel */
if( InformServer )
IRC_WriteStrServersPrefix( Client_NextHop( Origin ),
Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason);
}
+/**
+ * Log a message to the local &SERVER channel, if it exists.
+ */
+GLOBAL void
+Channel_LogServer(const char *msg)
+{
+ CHANNEL *sc;
+ CLIENT *c;
+
+ assert(msg != NULL);
+
+ sc = Channel_Search("&SERVER");
+ if (!sc)
+ return;
+
+ c = Client_ThisServer();
+ Channel_Write(sc, c, c, "PRIVMSG", false, msg);
+} /* Channel_LogServer */
+
+
+GLOBAL bool
+Channel_CheckKey(CHANNEL *Chan, CLIENT *Client, const char *Key)
+{
+ char *file_name, line[COMMAND_LEN], *nick, *pass;
+ FILE *fd;
+
+ assert(Chan != NULL);
+ assert(Client != NULL);
+ assert(Key != NULL);
+
+ if (!strchr(Chan->modes, 'k'))
+ return true;
+ if (strcmp(Chan->key, Key) == 0)
+ return true;
+ if (*Key == '\0')
+ return false;
+
+ file_name = array_start(&Chan->keyfile);
+ if (!file_name)
+ return false;
+ fd = fopen(file_name, "r");
+ if (!fd) {
+ Log(LOG_ERR, "Can't open channel key file \"%s\" for %s: %s",
+ file_name, Chan->name, strerror(errno));
+ return false;
+ }
+
+ while (fgets(line, (int)sizeof(line), fd) != NULL) {
+ ngt_TrimStr(line);
+ if (! (nick = strchr(line, ':')))
+ continue;
+ *nick++ = '\0';
+ if (!Match(line, Client_User(Client)))
+ continue;
+ if (! (pass = strchr(nick, ':')))
+ continue;
+ *pass++ = '\0';
+ if (!Match(nick, Client_ID(Client)))
+ continue;
+ if (strcmp(Key, pass) != 0)
+ continue;
+
+ fclose(fd);
+ return true;
+ }
+ fclose(fd);
+ return false;
+} /* Channel_CheckKey */
+
+
static CL2CHAN *
Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan )
{
} /* Get_Next_Cl2Chan */
-static bool
-Delete_Channel( CHANNEL *Chan )
+/**
+ * Remove a channel and free all of its data structures.
+ */
+static void
+Delete_Channel(CHANNEL *Chan)
{
- /* delete channel structure */
-
CHANNEL *chan, *last_chan;
last_chan = NULL;
chan = My_Channels;
- while( chan )
- {
- if( chan == Chan ) break;
+ while (chan) {
+ if (chan == Chan)
+ break;
last_chan = chan;
chan = chan->next;
}
- if( ! chan ) return false;
-
- Log( LOG_DEBUG, "Freed channel structure for \"%s\".", Chan->name );
- /* free invite and ban lists */
- Lists_Free( &chan->list_bans );
- Lists_Free( &chan->list_invites );
+ assert(chan != NULL);
+ if (!chan)
+ return;
/* maintain channel list */
- if( last_chan ) last_chan->next = chan->next;
- else My_Channels = chan->next;
- free( chan );
+ if (last_chan)
+ last_chan->next = chan->next;
+ else
+ My_Channels = chan->next;
- return true;
+ LogDebug("Freed channel structure for \"%s\".", Chan->name);
+ Free_Channel(Chan);
} /* Delete_Channel */
+static void
+Set_KeyFile(CHANNEL *Chan, const char *KeyFile)
+{
+ size_t len;
+
+ assert(Chan != NULL);
+ assert(KeyFile != NULL);
+
+ len = strlen(KeyFile);
+ if (len < array_bytes(&Chan->keyfile)) {
+ Log(LOG_INFO, "Channel key file of %s removed.", Chan->name);
+ array_free(&Chan->keyfile);
+ }
+
+ if (len < 1)
+ return;
+
+ if (!array_copyb(&Chan->keyfile, KeyFile, len+1))
+ Log(LOG_WARNING,
+ "Could not set new channel key file \"%s\" for %s: %s",
+ KeyFile, Chan->name, strerror(errno));
+ else
+ Log(LOG_INFO|LOG_snotice,
+ "New local channel key file \"%s\" for %s activated.",
+ KeyFile, Chan->name);
+} /* Set_KeyFile */
+
+
/* -eof- */