#include "portab.h"
-static char UNUSED id[] = "$Id: channel.c,v 1.56 2006/07/24 22:54:09 alex Exp $";
+static char UNUSED id[] = "$Id: channel.c,v 1.65 2008/02/05 16:31:35 fw Exp $";
#include "imp.h"
#include <assert.h>
static CL2CHAN *Get_Cl2Chan PARAMS(( CHANNEL *Chan, CLIENT *Client ));
static CL2CHAN *Add_Client PARAMS(( CHANNEL *Chan, CLIENT *Client ));
-static bool Remove_Client PARAMS(( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, char *Reason, bool InformServer ));
+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 ));
} /* Channel_Init */
+GLOBAL struct list_head *
+Channel_GetListBans(CHANNEL *c)
+{
+ assert(c != NULL);
+ return &c->list_bans;
+}
+
+
+GLOBAL struct list_head *
+Channel_GetListInvites(CHANNEL *c)
+{
+ assert(c != NULL);
+ return &c->list_invites;
+}
+
+
GLOBAL void
Channel_InitPredefined( void )
{
c = Conf_Channel[i].modes;
while (*c)
Channel_ModeAdd(chan, *c++);
-
+
+ Channel_SetKey(chan, Conf_Channel[i].key);
+ Channel_SetMaxUsers(chan, Conf_Channel[i].maxusers);
+
Log(LOG_INFO, "Created pre-defined channel \"%s\".",
Conf_Channel[i].name );
}
{
CHANNEL *c, *c_next;
CL2CHAN *cl2chan, *cl2chan_next;
-
+
/* Channel-Strukturen freigeben */
c = My_Channels;
while( c )
{
/* Gibt es noch nicht? Dann neu anlegen: */
chan = Channel_Create( Name );
- if( ! chan ) return false;
+ if (!chan) return false;
}
/* User dem Channel hinzufuegen */
} /* Channel_Join */
+/**
+ * Remove client from channel.
+ * This function lets a client lead a channel. First, the function checks
+ * if the channel exists and the client is a member of it and sends out
+ * appropriate error messages if not. The real work is done by the function
+ * Remove_Client().
+ */
GLOBAL bool
-Channel_Part( CLIENT *Client, CLIENT *Origin, char *Name, char *Reason )
+Channel_Part(CLIENT * Client, CLIENT * Origin, const char *Name, const char *Reason)
{
CHANNEL *chan;
- assert( Client != NULL );
- assert( Name != NULL );
- assert( Reason != NULL );
+ assert(Client != NULL);
+ assert(Name != NULL);
+ assert(Reason != NULL);
- chan = Channel_Search( Name );
- if(( ! chan ) || ( ! Get_Cl2Chan( chan, Client )))
- {
- IRC_WriteStrClient( Client, ERR_NOSUCHCHANNEL_MSG, Client_ID( Client ), Name );
+ chan = Channel_Search(Name);
+ if (!chan) {
+ IRC_WriteStrClient(Client, ERR_NOSUCHCHANNEL_MSG,
+ Client_ID(Client), Name);
+ return false;
+ }
+ if (!Get_Cl2Chan(chan, Client)) {
+ IRC_WriteStrClient(Client, ERR_NOTONCHANNEL_MSG,
+ Client_ID(Client), Name);
return false;
}
- /* User aus Channel entfernen */
- if( ! Remove_Client( REMOVE_PART, chan, Client, Origin, Reason, true)) return false;
- else return true;
+ if (!Remove_Client(REMOVE_PART, chan, Client, Origin, Reason, true))
+ return false;
+ else
+ return true;
} /* Channel_Part */
GLOBAL void
-Channel_Kick( CLIENT *Client, CLIENT *Origin, char *Name, char *Reason )
+Channel_Kick( CLIENT *Client, CLIENT *Origin, const char *Name, const char *Reason )
{
CHANNEL *chan;
assert( Name != NULL );
assert( Reason != NULL );
- /* Channel suchen */
chan = Channel_Search( Name );
if( ! chan )
{
} /* Channel_Quit */
-GLOBAL long
+GLOBAL unsigned long
Channel_Count( void )
{
CHANNEL *c;
- long count = 0;
+ unsigned long count = 0;
c = My_Channels;
while( c )
} /* Channel_Count */
-GLOBAL long
+GLOBAL unsigned long
Channel_MemberCount( CHANNEL *Chan )
{
CL2CHAN *cl2chan;
- long count = 0;
+ unsigned long count = 0;
assert( Chan != NULL );
} /* Channel_CountForUser */
-GLOBAL int
-Channel_PCount( void )
-{
- /* Count the number of persistent (mode 'P') channels */
- CHANNEL *chan;
- int count = 0;
-
- chan = My_Channels;
- while( chan )
- {
- if( strchr( chan->modes, 'P' )) count++;
- chan = chan->next;
- }
-
- return count;
-} /* Channel_PCount */
-
-
-GLOBAL char *
-Channel_Name( CHANNEL *Chan )
+GLOBAL const char *
+Channel_Name( const CHANNEL *Chan )
{
assert( Chan != NULL );
return Chan->name;
} /* Channel_Key */
-GLOBAL long
+GLOBAL unsigned long
Channel_MaxUsers( CHANNEL *Chan )
{
assert( Chan != NULL );
GLOBAL CHANNEL *
-Channel_Search( char *Name )
+Channel_Search( const char *Name )
{
/* Channel-Struktur suchen */
GLOBAL bool
-Channel_IsValidName( char *Name )
+Channel_IsValidName( const char *Name )
{
- /* Pruefen, ob Name als Channelname gueltig */
-
- char *ptr, badchars[10];
-
assert( Name != NULL );
- if(( Name[0] != '#' ) || ( strlen( Name ) >= CHANNEL_NAME_LEN )) return false;
+ if (strchr("+#", Name[0]) == NULL)
+ return false;
+ if (strlen(Name) >= CHANNEL_NAME_LEN)
+ return false;
- ptr = Name;
- strcpy( badchars, " ,:\007" );
- while( *ptr )
- {
- if( strchr( badchars, *ptr )) return false;
- ptr++;
- }
-
- return true;
+ return Name[strcspn(Name, " ,:\007")] == 0;
} /* Channel_IsValidName */
cl2chan = Get_Cl2Chan( Chan, Client );
assert( cl2chan != NULL );
-
+
x[0] = Mode; x[1] = '\0';
if( ! strchr( cl2chan->modes, x[0] ))
{
Channel_UserModes( CHANNEL *Chan, CLIENT *Client )
{
/* return Users' Channel-Modes */
-
+
CL2CHAN *cl2chan;
assert( Chan != NULL );
assert( Chan != NULL );
assert( Client != NULL );
-
- if( Get_Cl2Chan( Chan, Client )) return true;
- else return false;
+ return Get_Cl2Chan(Chan, Client) != NULL;
} /* Channel_IsMemberOf */
if (len < array_bytes(&Chan->topic))
array_free(&Chan->topic);
- if (!array_copyb(&Chan->topic, Topic, len))
+ if (len >= COMMAND_LEN || !array_copyb(&Chan->topic, Topic, len+1))
Log(LOG_WARNING, "could not set new Topic \"%s\" on %s: %s",
Topic, Chan->name, strerror(errno));
-
- array_cat0(&Chan->topic);
-
#ifndef STRICT_RFC
Chan->topic_time = time(NULL);
if (Client != NULL && Client_Type(Client) != CLIENT_SERVER)
assert( Key != NULL );
strlcpy( Chan->key, Key, sizeof( Chan->key ));
- Log( LOG_DEBUG, "Channel %s: Key is now \"%s\".", Chan->name, Chan->key );
+ LogDebug("Channel %s: Key is now \"%s\".", Chan->name, Chan->key );
} /* Channel_SetKey */
GLOBAL void
-Channel_SetMaxUsers( CHANNEL *Chan, long Count )
+Channel_SetMaxUsers(CHANNEL *Chan, unsigned long Count)
{
assert( Chan != NULL );
Chan->maxusers = Count;
- Log( LOG_DEBUG, "Channel %s: Member limit is now %ld.", Chan->name, Chan->maxusers );
+ LogDebug("Channel %s: Member limit is now %lu.", Chan->name, Chan->maxusers );
} /* Channel_SetMaxUsers */
-GLOBAL bool
-Channel_Write( CHANNEL *Chan, CLIENT *From, CLIENT *Client, char *Text )
+static bool
+Can_Send_To_Channel(CHANNEL *Chan, CLIENT *From)
{
- bool is_member, has_voice, is_op, ok;
+ bool is_member, has_voice, is_op;
- /* Okay, target is a channel */
is_member = has_voice = is_op = false;
- if( Channel_IsMemberOf( Chan, From ))
- {
+
+ if (Channel_IsMemberOf(Chan, From)) {
is_member = true;
- if( strchr( Channel_UserModes( Chan, From ), 'v' )) has_voice = true;
- if( strchr( Channel_UserModes( Chan, From ), 'o' )) is_op = true;
+ if (strchr(Channel_UserModes(Chan, From), 'v'))
+ has_voice = true;
+ if (strchr(Channel_UserModes(Chan, From), 'o'))
+ is_op = true;
}
- /* Is the client allowed to write to channel? */
- ok = true;
- if( strchr( Channel_Modes( Chan ), 'n' ) && ( ! is_member )) ok = false;
- if( strchr( Channel_Modes( Chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = false;
-
- /* Is the client banned? */
- if( Lists_CheckBanned( From, Chan ))
- {
- /* Client is banned, but is he channel operator or has voice? */
- if(( ! has_voice ) && ( ! is_op )) ok = false;
- }
+ /*
+ * Is the client allowed to write to channel?
+ *
+ * If channel mode n set: non-members cannot send to channel.
+ * If channel mode m set: need voice.
+ */
+ if (strchr(Channel_Modes(Chan), 'n') && !is_member)
+ return false;
+
+ if (is_op || has_voice)
+ return true;
+
+ if (strchr(Channel_Modes(Chan), 'm'))
+ return false;
+
+ return !Lists_Check(&Chan->list_bans, From);
+}
+
+
+GLOBAL bool
+Channel_Write(CHANNEL *Chan, CLIENT *From, CLIENT *Client, const char *Text)
+{
+ if (!Can_Send_To_Channel(Chan, From))
+ return IRC_WriteStrClient(From, ERR_CANNOTSENDTOCHAN_MSG, Client_ID(From), Channel_Name(Chan));
- if( ! ok ) return IRC_WriteStrClient( From, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( From ), Channel_Name( Chan ));
+ if (Client_Conn(From) > NONE)
+ Conn_UpdateIdle(Client_Conn(From));
- /* Send text */
- if( Client_Conn( From ) > NONE ) Conn_UpdateIdle( Client_Conn( From ));
- return IRC_WriteStrChannelPrefix( Client, Chan, From, true, "PRIVMSG %s :%s", Channel_Name( Chan ), Text );
-} /* Channel_Write */
+ return IRC_WriteStrChannelPrefix(Client, Chan, From, true,
+ "PRIVMSG %s :%s", Channel_Name(Chan), Text);
+}
+
+
+GLOBAL bool
+Channel_Notice(CHANNEL *Chan, CLIENT *From, CLIENT *Client, const char *Text)
+{
+ if (!Can_Send_To_Channel(Chan, From))
+ return true; /* no error, see RFC 2812 */
+
+ if (Client_Conn(From) > NONE)
+ Conn_UpdateIdle(Client_Conn(From));
+
+ return IRC_WriteStrChannelPrefix(Client, Chan, From, true,
+ "NOTICE %s :%s", Channel_Name(Chan), Text);
+}
GLOBAL CHANNEL *
CHANNEL *c;
assert( Name != NULL );
-
+
c = (CHANNEL *)malloc( sizeof( CHANNEL ));
if( ! c )
{
c->hash = Hash( c->name );
c->next = My_Channels;
My_Channels = c;
-#ifdef DEBUG
- Log( LOG_DEBUG, "Created new channel structure for \"%s\".", Name );
-#endif
+ LogDebug("Created new channel structure for \"%s\".", Name);
return c;
} /* Channel_Create */
static bool
-Remove_Client( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, char *Reason, bool InformServer )
+Remove_Client( int Type, CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, const char *Reason, bool InformServer )
{
CL2CHAN *cl2chan, *last_cl2chan;
CHANNEL *c;
switch( Type )
{
case REMOVE_QUIT:
- /* QUIT: andere Server wurden bereits informiert, vgl. Client_Destroy();
- * hier also "nur" noch alle User in betroffenen Channeln infomieren */
+ /* QUIT: other servers have already been notified, see Client_Destroy();
+ * so only inform other clients in same channel. */
assert( InformServer == false );
- Log( LOG_DEBUG, "User \"%s\" left channel \"%s\" (%s).", Client_Mask( Client ), c->name, Reason );
+ LogDebug("User \"%s\" left channel \"%s\" (%s).",
+ Client_Mask( Client ), c->name, Reason );
break;
case REMOVE_KICK:
- /* User wurde geKICKed: ggf. andere Server sowie alle betroffenen User
- * im entsprechenden Channel informieren */
- if( InformServer ) IRC_WriteStrServersPrefix( Client_NextHop( Origin ), Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason );
- IRC_WriteStrChannelPrefix( Client, c, Origin, false, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason );
- if(( Client_Conn( Client ) > NONE ) && ( Client_Type( Client ) == CLIENT_USER )) IRC_WriteStrClientPrefix( Client, Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason );
- Log( LOG_DEBUG, "User \"%s\" has been kicked of \"%s\" by \"%s\": %s.", Client_Mask( Client ), c->name, Client_ID( Origin ), Reason );
+ /* User was KICKed: inform other servers and all users in channel */
+ if( InformServer )
+ IRC_WriteStrServersPrefix( Client_NextHop( Origin ),
+ Origin, "KICK %s %s :%s", c->name, Client_ID( Client ), Reason);
+ IRC_WriteStrChannelPrefix(Client, c, Origin, false, "KICK %s %s :%s",
+ c->name, Client_ID( Client ), Reason );
+ if ((Client_Conn(Client) > NONE) &&
+ (Client_Type(Client) == CLIENT_USER))
+ {
+ IRC_WriteStrClientPrefix(Client, Origin, "KICK %s %s :%s",
+ c->name, Client_ID( Client ), Reason);
+ }
+ LogDebug("User \"%s\" has been kicked off \"%s\" by \"%s\": %s.",
+ Client_Mask( Client ), c->name, Client_ID(Origin), Reason);
break;
- default:
- /* PART */
- if( InformServer ) IRC_WriteStrServersPrefix( Origin, Client, "PART %s :%s", c->name, Reason );
- IRC_WriteStrChannelPrefix( Origin, c, Client, false, "PART %s :%s", c->name, Reason );
- if(( Client_Conn( Origin ) > NONE ) && ( Client_Type( Origin ) == CLIENT_USER )) IRC_WriteStrClientPrefix( Origin, Client, "PART %s :%s", c->name, Reason );
- Log( LOG_DEBUG, "User \"%s\" left channel \"%s\" (%s).", Client_Mask( Client ), c->name, Reason );
+ default: /* PART */
+ if (InformServer)
+ IRC_WriteStrServersPrefix(Origin, Client, "PART %s :%s", c->name, Reason);
+
+ IRC_WriteStrChannelPrefix(Origin, c, Client, false, "PART %s :%s",
+ c->name, Reason);
+
+ if ((Client_Conn(Origin) > NONE) &&
+ (Client_Type(Origin) == CLIENT_USER))
+ {
+ IRC_WriteStrClientPrefix( Origin, Client, "PART %s :%s", c->name, Reason);
+ LogDebug("User \"%s\" left channel \"%s\" (%s).",
+ Client_Mask(Client), c->name, Reason);
+ }
}
/* Wenn Channel nun leer und nicht pre-defined: loeschen */
{
if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
}
-
+
return true;
} /* Remove_Client */
+GLOBAL bool
+Channel_AddBan(CHANNEL *c, const char *mask )
+{
+ struct list_head *h = Channel_GetListBans(c);
+ return Lists_Add(h, mask, false);
+}
+
+
+GLOBAL bool
+Channel_AddInvite(CHANNEL *c, const char *mask, bool onlyonce)
+{
+ struct list_head *h = Channel_GetListInvites(c);
+ return Lists_Add(h, mask, onlyonce);
+}
+
+
+static bool
+ShowInvitesBans(struct list_head *head, CLIENT *Client, CHANNEL *Channel, bool invite)
+{
+ struct list_elem *e;
+ char *msg = invite ? RPL_INVITELIST_MSG : RPL_BANLIST_MSG;
+ char *msg_end;
+
+ assert( Client != NULL );
+ assert( Channel != NULL );
+
+ e = Lists_GetFirst(head);
+ while (e) {
+ if( ! IRC_WriteStrClient( Client, msg, Client_ID( Client ),
+ Channel_Name( Channel ), Lists_GetMask(e) )) return DISCONNECTED;
+ e = Lists_GetNext(e);
+ }
+
+ msg_end = invite ? RPL_ENDOFINVITELIST_MSG : RPL_ENDOFBANLIST_MSG;
+ return IRC_WriteStrClient( Client, msg_end, Client_ID( Client ), Channel_Name( Channel ));
+}
+
+
+GLOBAL bool
+Channel_ShowBans( CLIENT *Client, CHANNEL *Channel )
+{
+ struct list_head *h;
+
+ assert( Channel != NULL );
+
+ h = Channel_GetListBans(Channel);
+ return ShowInvitesBans(h, Client, Channel, false);
+}
+
+
+GLOBAL bool
+Channel_ShowInvites( CLIENT *Client, CHANNEL *Channel )
+{
+ struct list_head *h;
+
+ assert( Channel != NULL );
+
+ h = Channel_GetListInvites(Channel);
+ return ShowInvitesBans(h, Client, Channel, true);
+}
+
+
static CL2CHAN *
Get_First_Cl2Chan( CLIENT *Client, CHANNEL *Chan )
{
Delete_Channel( CHANNEL *Chan )
{
/* Channel-Struktur loeschen */
-
+
CHANNEL *chan, *last_chan;
last_chan = NULL;
Log( LOG_DEBUG, "Freed channel structure for \"%s\".", Chan->name );
/* Invite- und Ban-Lists aufraeumen */
- Lists_DeleteChannel( chan );
+ Lists_Free( &chan->list_bans );
+ Lists_Free( &chan->list_invites );
/* Neu verketten und freigeben */
if( last_chan ) last_chan->next = chan->next;
else My_Channels = chan->next;
free( chan );
-
+
return true;
} /* Delete_Channel */