/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
+ * Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors.
*
* 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 "defines.h"
#include "conn.h"
#include "channel.h"
+#include "irc-macros.h"
#include "irc-write.h"
#include "lists.h"
#include "log.h"
#include "exp.h"
#include "irc-mode.h"
-
-static void Announce_Client_Hostname PARAMS((CLIENT *Origin, CLIENT *Client));
-
static bool Client_Mode PARAMS((CLIENT *Client, REQUEST *Req, CLIENT *Origin,
CLIENT *Target));
static bool Channel_Mode PARAMS((CLIENT *Client, REQUEST *Req, CLIENT *Origin,
CLIENT *Prefix, CLIENT *Client,
CHANNEL *Channel, const char *Mask));
-
/**
* Handler for the IRC "MODE" command.
*
- * See RFC 2812 section 3.1.5 ("user mode message") and section 3.2.3
- * ("channel mode message"), and RFC 2811 section 4 ("channel modes").
+ * This function detects whether user or channel modes should be modified
+ * and calls the appropriate sub-functions.
*
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @returns CONNECTED or DISCONNECTED.
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @return CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_MODE( CLIENT *Client, REQUEST *Req )
assert(Client != NULL);
assert(Req != NULL);
- /* No parameters? */
- if (Req->argc < 1)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
-
- /* Origin for answers */
- if (Client_Type(Client) == CLIENT_SERVER) {
- origin = Client_Search(Req->prefix);
- if (!origin)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client),
- Req->prefix);
- } else
- origin = Client;
+ _IRC_GET_SENDER_OR_RETURN_(origin, Req, Client)
/* Channel or user mode? */
cl = NULL; chan = NULL;
return Channel_Mode(Client, Req, origin, chan);
/* No target found! */
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+ return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
Client_ID(Client), Req->argv[0]);
} /* IRC_MODE */
-
/**
* Check if the "mode limit" for a client has been reached.
*
return true;
}
-
/**
* Handle client mode requests
*
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @param Origin The originator of the MODE command (prefix).
- * @param Target The target (client) of this MODE command.
- * @returns CONNECTED or DISCONNECTED.
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @param Origin The originator of the MODE command (prefix).
+ * @param Target The target (client) of this MODE command.
+ * @return CONNECTED or DISCONNECTED.
*/
static bool
Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
if (Client_Type(Client) == CLIENT_USER) {
/* Users are only allowed to manipulate their own modes! */
if (Target != Client)
- return IRC_WriteStrClient(Client,
+ return IRC_WriteErrClient(Client,
ERR_USERSDONTMATCH_MSG,
Client_ID(Client));
}
/* Mode request: let's answer it :-) */
if (Req->argc == 1)
return IRC_WriteStrClient(Origin, RPL_UMODEIS_MSG,
- Client_ID(Origin),
+ Client_ID(Target),
Client_Modes(Target));
mode_arg = 1;
set = false;
strcpy(the_modes, "-");
} else
- return IRC_WriteStrClient(Origin, ERR_UMODEUNKNOWNFLAG_MSG,
+ return IRC_WriteErrClient(Origin, ERR_UMODEUNKNOWNFLAG_MSG,
Client_ID(Origin));
x[1] = '\0';
x[0] = 'a';
Client_SetAway(Origin, DEFAULT_AWAY_MSG);
} else
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
break;
case 'B': /* Bot */
if (Client_HasMode(Client, 'r'))
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_RESTRICTED_MSG,
Client_ID(Origin));
else
|| Client_OperByMe(Origin))
x[0] = 'c';
else
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
break;
Client_SetOperByMe(Target, false);
x[0] = 'o';
} else
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
break;
|| Client_OperByMe(Origin))
x[0] = 'q';
else
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
break;
if (set || Client_Type(Client) == CLIENT_SERVER)
x[0] = 'r';
else
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_RESTRICTED_MSG,
Client_ID(Origin));
break;
if (Client_Type(Client) == CLIENT_SERVER)
x[0] = 'R';
else
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_NICKREGISTER_MSG,
Client_ID(Origin));
break;
case 'x': /* Cloak hostname */
if (Client_HasMode(Client, 'r'))
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_RESTRICTED_MSG,
Client_ID(Origin));
else if (!set || Conf_CloakHostModeX[0]
x[0] = 'x';
send_RPL_HOSTHIDDEN_MSG = true;
} else
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
break;
"Unknown mode \"%c%c\" from \"%s\"!?",
set ? '+' : '-', *mode_ptr,
Client_ID(Origin));
- ok = IRC_WriteStrClient(Origin,
+ ok = IRC_WriteErrClient(Origin,
ERR_UMODEUNKNOWNFLAG2_MSG,
Client_ID(Origin),
set ? '+' : '-',
"MODE %s :%s",
Client_ID(Target),
the_modes);
- if (send_RPL_HOSTHIDDEN_MSG)
- Announce_Client_Hostname(Origin, Client);
}
+
+ if (send_RPL_HOSTHIDDEN_MSG && Client_Conn(Target) > NONE) {
+ /* A new (cloaked) hostname must be announced */
+ IRC_WriteStrClientPrefix(Target, Origin,
+ RPL_HOSTHIDDEN_MSG,
+ Client_ID(Target),
+ Client_HostnameDisplayed(Target));
+
+ }
+
LogDebug("%s \"%s\": Mode change, now \"%s\".",
Client_TypeText(Target), Client_Mask(Target),
Client_Modes(Target));
return ok;
} /* Client_Mode */
-
-/**
- * Announce changed client hostname in the network.
+/*
+ * Reply to a channel mode request.
*
- * @param Client The client of which the hostname changed.
+ * @param Origin The originator of the MODE command (prefix).
+ * @param Channel The channel of which the modes should be sent.
+ * @return CONNECTED or DISCONNECTED.
*/
-static void
-Announce_Client_Hostname(CLIENT *Origin, CLIENT *Client)
-{
- assert(Client != NULL);
-
- /* Inform the client itself */
- IRC_WriteStrClient(Client, RPL_HOSTHIDDEN_MSG, Client_ID(Client),
- Client_HostnameDisplayed(Client));
-
- /* Inform other servers in the network */
- IRC_WriteStrServersPrefixFlag(Origin, Client_ThisServer(), 'M',
- "METADATA %s host :%s", Client_ID(Client),
- Client_HostnameDisplayed(Client));
-}
-
-
static bool
Channel_Mode_Answer_Request(CLIENT *Origin, CHANNEL *Channel)
{
return CONNECTED;
}
-
/**
* Handle channel mode and channel-user mode changes
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @param Origin The originator of the MODE command (prefix).
+ * @param Channel The target channel of this MODE command.
+ * @return CONNECTED or DISCONNECTED.
*/
static bool
Channel_Mode(CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel)
{
char the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2],
- argadd[CLIENT_PASS_LEN], *mode_ptr, *o_mode_ptr;
+ argadd[CLIENT_PASS_LEN], *mode_ptr;
bool connected, set, skiponce, retval, use_servermode,
is_halfop, is_op, is_admin, is_owner, is_machine, is_oper;
int mode_arg, arg_arg, mode_arg_count = 0;
is_halfop = is_op = is_admin = is_owner = is_machine = is_oper = false;
if (Channel_IsModeless(Channel))
- return IRC_WriteStrClient(Client, ERR_NOCHANMODES_MSG,
+ return IRC_WriteErrClient(Client, ERR_NOCHANMODES_MSG,
Client_ID(Client), Channel_Name(Channel));
/* Mode request: let's answer it :-) */
/* Check if client is member of channel or an oper or an server/service */
if(!Channel_IsMemberOf(Channel, Client) && !is_oper && !is_machine)
- return IRC_WriteStrClient(Origin, ERR_NOTONCHANNEL_MSG,
+ return IRC_WriteErrClient(Origin, ERR_NOTONCHANNEL_MSG,
Client_ID(Origin),
Channel_Name(Channel));
if (arg_arg >= Req->argc)
arg_arg = -1;
- if(!is_machine) {
- o_mode_ptr = Channel_UserModes(Channel, Client);
- while( *o_mode_ptr ) {
- if ( *o_mode_ptr == 'q')
- is_owner = true;
- if ( *o_mode_ptr == 'a')
- is_admin = true;
- if ( *o_mode_ptr == 'o')
- is_op = true;
- if ( *o_mode_ptr == 'h')
- is_halfop = true;
- o_mode_ptr++;
- }
+ if(!is_machine && !is_oper) {
+ if (Channel_UserHasMode(Channel, Client, 'q'))
+ is_owner = true;
+ if (Channel_UserHasMode(Channel, Client, 'a'))
+ is_admin = true;
+ if (Channel_UserHasMode(Channel, Client, 'o'))
+ is_op = true;
+ if (Channel_UserHasMode(Channel, Client, 'h'))
+ is_halfop = true;
}
/* Validate modes */
case 'z': /* Secure connections only */
if(!is_oper && !is_machine && !is_owner &&
!is_admin && !is_op) {
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin), Channel_Name(Channel));
goto chan_exit;
is_admin || is_op || is_halfop)
x[0] = *mode_ptr;
else
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin), Channel_Name(Channel));
break;
is_admin || is_op || is_halfop)
x[0] = *mode_ptr;
else
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
sizeof(argadd));
x[0] = *mode_ptr;
} else {
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
Req->argv[arg_arg][0] = '\0';
arg_arg++;
} else {
- connected = IRC_WriteStrClient(Origin,
+#ifdef STRICT_RFC
+ /* Only send error message in "strict" mode,
+ * this is how ircd2.11 and others behave ... */
+ connected = IRC_WriteErrClient(Origin,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Origin), Req->command);
+#endif
goto chan_exit;
}
break;
is_admin || is_op || is_halfop)
x[0] = *mode_ptr;
else
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
x[0] = *mode_ptr;
}
} else {
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
Req->argv[arg_arg][0] = '\0';
arg_arg++;
} else {
- connected = IRC_WriteStrClient(Origin,
+#ifdef STRICT_RFC
+ /* Only send error message in "strict" mode,
+ * this is how ircd2.11 and others behave ... */
+ connected = IRC_WriteErrClient(Origin,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Origin), Req->command);
+#endif
goto chan_exit;
}
break;
if(is_oper || is_machine)
x[0] = 'O';
else
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
} else if(is_oper || is_machine || is_owner ||
is_admin || is_op)
x[0] = 'O';
else
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
if(is_oper || is_machine)
x[0] = 'P';
else
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
} else if(is_oper || is_machine || is_owner ||
is_admin || is_op)
x[0] = 'P';
else
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
case 'q': /* Owner */
case 'a': /* Channel admin */
if(!is_oper && !is_machine && !is_owner && !is_admin) {
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPPRIVTOOLOW_MSG,
Client_ID(Origin),
Channel_Name(Channel));
case 'o': /* Channel operator */
if(!is_oper && !is_machine && !is_owner &&
!is_admin && !is_op) {
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
case 'h': /* Half Op */
if(!is_oper && !is_machine && !is_owner &&
!is_admin && !is_op) {
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
if (client)
x[0] = *mode_ptr;
else
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_NOSUCHNICK_MSG,
Client_ID(Origin),
Req->argv[arg_arg]);
} else {
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
Req->argv[arg_arg][0] = '\0';
arg_arg++;
} else {
- connected = IRC_WriteStrClient(Origin,
+#ifdef STRICT_RFC
+ /* Report an error to the client, when a user
+ * mode should be changed but no nickname is
+ * given. But don't do it when not in "strict"
+ * mode, because most other servers don't do
+ * it as well and some clients send "wired"
+ * MODE commands like "MODE #chan -ooo nick". */
+ connected = IRC_WriteErrClient(Origin,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Origin), Req->command);
+#endif
goto chan_exit;
}
break;
Client, Channel,
Req->argv[arg_arg]);
} else {
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(Origin),
Channel_Name(Channel));
"Unknown mode \"%c%c\" from \"%s\" on %s!?",
set ? '+' : '-', *mode_ptr,
Client_ID(Origin), Channel_Name(Channel));
- connected = IRC_WriteStrClient(Origin,
+ connected = IRC_WriteErrClient(Origin,
ERR_UNKNOWNMODE_MSG,
Client_ID(Origin), *mode_ptr,
Channel_Name(Channel));
/* Validate target client */
if (client && (!Channel_IsMemberOf(Channel, client))) {
- if (!IRC_WriteStrClient
- (Origin, ERR_USERNOTINCHANNEL_MSG,
- Client_ID(Origin), Client_ID(client),
- Channel_Name(Channel)))
+ if (!IRC_WriteErrClient(Origin, ERR_USERNOTINCHANNEL_MSG,
+ Client_ID(Origin),
+ Client_ID(client),
+ Channel_Name(Channel)))
break;
-
continue;
}
return connected;
} /* Channel_Mode */
-
+/**
+ * Handler for the IRC "AWAY" command.
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @return CONNECTED or DISCONNECTED.
+ */
GLOBAL bool
IRC_AWAY( CLIENT *Client, REQUEST *Req )
{
- assert( Client != NULL );
- assert( Req != NULL );
-
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- if(( Req->argc == 1 ) && (Req->argv[0][0] ))
- {
- Client_SetAway( Client, Req->argv[0] );
- Client_ModeAdd( Client, 'a' );
- IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
- return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client ));
- }
- else
- {
- Client_ModeDel( Client, 'a' );
- IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
- return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
+ assert (Client != NULL);
+ assert (Req != NULL);
+
+ if (Req->argc == 1 && Req->argv[0][0]) {
+ Client_SetAway(Client, Req->argv[0]);
+ Client_ModeAdd(Client, 'a');
+ IRC_WriteStrServersPrefix(Client, Client, "MODE %s :+a",
+ Client_ID( Client));
+ return IRC_WriteStrClient(Client, RPL_NOWAWAY_MSG,
+ Client_ID( Client));
+ } else {
+ Client_ModeDel(Client, 'a');
+ IRC_WriteStrServersPrefix(Client, Client, "MODE %s :-a",
+ Client_ID( Client));
+ return IRC_WriteStrClient(Client, RPL_UNAWAY_MSG,
+ Client_ID( Client));
}
} /* IRC_AWAY */
-
/**
* Add entries to channel invite, ban and exception lists.
*
Add_To_List(char what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel,
const char *Pattern)
{
- const char *mask;
+ char mask[MASK_LEN];
struct list_head *list = NULL;
long int current_count;
assert(Pattern != NULL);
assert(what == 'I' || what == 'b' || what == 'e');
- mask = Lists_MakeMask(Pattern);
+ Lists_MakeMask(Pattern, mask, sizeof(mask));
current_count = Lists_Count(Channel_GetListInvites(Channel))
+ Lists_Count(Channel_GetListExcepts(Channel))
+ Lists_Count(Channel_GetListBans(Channel));
return CONNECTED;
if (Client_Type(Client) == CLIENT_USER &&
current_count >= MAX_HNDL_CHANNEL_LISTS)
- return IRC_WriteStrClient(Client, ERR_LISTFULL_MSG,
+ return IRC_WriteErrClient(Client, ERR_LISTFULL_MSG,
Client_ID(Client),
Channel_Name(Channel), mask,
MAX_HNDL_CHANNEL_LISTS);
return Send_ListChange(true, what, Prefix, Client, Channel, mask);
}
-
/**
- * Delete entries from channel invite, ban and exeption lists.
+ * Delete entries from channel invite, ban and exception lists.
*
* @param what Can be 'I' for invite, 'b' for ban, and 'e' for exception list.
* @param Prefix The originator of the command.
Del_From_List(char what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel,
const char *Pattern)
{
- const char *mask;
+ char mask[MASK_LEN];
struct list_head *list = NULL;
assert(Client != NULL);
assert(Pattern != NULL);
assert(what == 'I' || what == 'b' || what == 'e');
- mask = Lists_MakeMask(Pattern);
+ Lists_MakeMask(Pattern, mask, sizeof(mask));
switch (what) {
case 'I':
return Send_ListChange(false, what, Prefix, Client, Channel, mask);
}
-
/**
* Send information about changed channel invite/ban/exception lists to clients.
*
return ok;
} /* Send_ListChange */
-
/* -eof- */
projects / ngircd-alex.git / blobdiff