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irc-cap.c: move static functions to the top of the file
And remove now unnecessary (local) prototypes.
This commit is contained in:
Alexander Barton
@@ -1,6 +1,6 @@
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/*
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* ngIRCd -- The Next Generation IRC Daemon
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* Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
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* Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -33,192 +33,14 @@
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#include "exp.h"
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#include "irc-cap.h"
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bool Handle_CAP_LS PARAMS((CLIENT *Client, char *Arg));
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bool Handle_CAP_LIST PARAMS((CLIENT *Client, char *Arg));
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bool Handle_CAP_REQ PARAMS((CLIENT *Client, char *Arg));
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bool Handle_CAP_ACK PARAMS((CLIENT *Client, char *Arg));
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bool Handle_CAP_CLEAR PARAMS((CLIENT *Client));
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bool Handle_CAP_END PARAMS((CLIENT *Client));
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void Set_CAP_Negotiation PARAMS((CLIENT *Client));
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int Parse_CAP PARAMS((int Capabilities, char *Args));
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char *Get_CAP_String PARAMS((int Capabilities));
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/**
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* Handler for the IRCv3 "CAP" command.
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*
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* @param Client The client from which this command has been received.
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* @param Req Request structure with prefix and all parameters.
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* @returns CONNECTED or DISCONNECTED.
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*/
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GLOBAL bool
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IRC_CAP(CLIENT *Client, REQUEST *Req)
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{
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assert(Client != NULL);
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assert(Req != NULL);
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/* Bad number of prameters? */
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if (Req->argc < 1 || Req->argc > 2)
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return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
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Client_ID(Client), Req->command);
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LogDebug("Got \"%s %s\" command from \"%s\" ...",
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Req->command, Req->argv[0], Client_ID(Client));
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if (Req->argc == 1) {
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if (strcasecmp(Req->argv[0], "CLEAR") == 0)
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return Handle_CAP_CLEAR(Client);
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if (strcasecmp(Req->argv[0], "END") == 0)
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return Handle_CAP_END(Client);
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}
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if (Req->argc >= 1 && Req->argc <= 2) {
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if (strcasecmp(Req->argv[0], "LS") == 0)
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return Handle_CAP_LS(Client, Req->argv[1]);
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if (strcasecmp(Req->argv[0], "LIST") == 0)
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return Handle_CAP_LIST(Client, Req->argv[1]);
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}
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if (Req->argc == 2) {
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if (strcasecmp(Req->argv[0], "REQ") == 0)
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return Handle_CAP_REQ(Client, Req->argv[1]);
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if (strcasecmp(Req->argv[0], "ACK") == 0)
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return Handle_CAP_ACK(Client, Req->argv[1]);
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}
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return IRC_WriteStrClient(Client, ERR_INVALIDCAP_MSG,
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Client_ID(Client), Req->argv[0]);
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}
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/**
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* Handler for the "CAP LS" command.
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*
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* @param Client The client from which this command has been received.
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* @param Arg Command argument or NULL.
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* @returns CONNECTED or DISCONNECTED.
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*/
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bool
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Handle_CAP_LS(CLIENT *Client, UNUSED char *Arg)
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{
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assert(Client != NULL);
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Set_CAP_Negotiation(Client);
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return IRC_WriteStrClient(Client,
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"CAP %s LS :multi-prefix",
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Client_ID(Client));
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}
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/**
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* Handler for the "CAP LIST" command.
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*
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* @param Client The client from which this command has been received.
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* @param Arg Command argument or NULL.
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* @returns CONNECTED or DISCONNECTED.
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*/
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bool
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Handle_CAP_LIST(CLIENT *Client, UNUSED char *Arg)
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{
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assert(Client != NULL);
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return IRC_WriteStrClient(Client, "CAP %s LIST :%s", Client_ID(Client),
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Get_CAP_String(Client_Cap(Client)));
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}
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/**
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* Handler for the "CAP REQ" command.
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*
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* @param Client The client from which this command has been received.
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* @param Arg Command argument.
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* @returns CONNECTED or DISCONNECTED.
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*/
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bool
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Handle_CAP_REQ(CLIENT *Client, char *Arg)
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{
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int new_cap;
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assert(Client != NULL);
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assert(Arg != NULL);
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Set_CAP_Negotiation(Client);
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new_cap = Parse_CAP(Client_Cap(Client), Arg);
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if (new_cap < 0)
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return IRC_WriteStrClient(Client, "CAP %s NAK :%s",
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Client_ID(Client), Arg);
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Client_CapSet(Client, new_cap);
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return IRC_WriteStrClient(Client, "CAP %s ACK :%s",
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Client_ID(Client), Arg);
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}
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/**
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* Handler for the "CAP ACK" command.
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*
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* @param Client The client from which this command has been received.
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* @param Arg Command argument.
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* @returns CONNECTED or DISCONNECTED.
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*/
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bool
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Handle_CAP_ACK(UNUSED CLIENT *Client, UNUSED char *Arg)
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{
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assert(Client != NULL);
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assert(Arg != NULL);
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return CONNECTED;
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}
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/**
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* Handler for the "CAP CLEAR" command.
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*
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* @param Client The client from which this command has been received.
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* @returns CONNECTED or DISCONNECTED.
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*/
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bool
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Handle_CAP_CLEAR(CLIENT *Client)
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{
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int cap_old;
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assert(Client != NULL);
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cap_old = Client_Cap(Client);
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if (cap_old & CLIENT_CAP_MULTI_PREFIX)
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Client_CapDel(Client, CLIENT_CAP_MULTI_PREFIX);
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return IRC_WriteStrClient(Client, "CAP %s ACK :%s", Client_ID(Client),
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Get_CAP_String(cap_old));
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}
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/**
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* Handler for the "CAP END" command.
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*
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* @param Client The client from which this command has been received.
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* @returns CONNECTED or DISCONNECTED.
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*/
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bool
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Handle_CAP_END(CLIENT *Client)
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{
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assert(Client != NULL);
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if (Client_Type(Client) != CLIENT_USER) {
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/* User is still logging in ... */
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Client_CapDel(Client, CLIENT_CAP_PENDING);
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if (Client_Type(Client) == CLIENT_WAITCAPEND) {
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/* Only "CAP END" was missing: log in! */
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return Login_User(Client);
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}
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}
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return CONNECTED;
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}
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/* Local functions */
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/**
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* Set CAP negotiation status and mark client as "supports capabilities".
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*
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* @param Client The client to handle.
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*/
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void
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static void
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Set_CAP_Negotiation(CLIENT *Client)
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{
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assert(Client != NULL);
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@@ -234,7 +56,7 @@ Set_CAP_Negotiation(CLIENT *Client)
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* @param Args The string containing space-separated capability names.
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* @return Changed capability flags or 0 on error.
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*/
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int
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static int
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Parse_CAP(int Capabilities, char *Args)
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{
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static char tmp[COMMAND_LEN];
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@@ -275,7 +97,7 @@ Parse_CAP(int Capabilities, char *Args)
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* @param Capabilities Capability flags (bitmask).
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* @return Pointer to textual representation.
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*/
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char *
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static char *
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Get_CAP_String(int Capabilities)
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{
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static char txt[COMMAND_LEN];
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@@ -288,4 +110,174 @@ Get_CAP_String(int Capabilities)
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return txt;
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}
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/**
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* Handler for the "CAP LS" command.
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*
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* @param Client The client from which this command has been received.
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* @param Arg Command argument or NULL.
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* @returns CONNECTED or DISCONNECTED.
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*/
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static bool
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Handle_CAP_LS(CLIENT *Client, UNUSED char *Arg)
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{
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assert(Client != NULL);
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Set_CAP_Negotiation(Client);
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return IRC_WriteStrClient(Client,
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"CAP %s LS :multi-prefix",
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Client_ID(Client));
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}
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/**
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* Handler for the "CAP LIST" command.
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*
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* @param Client The client from which this command has been received.
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* @param Arg Command argument or NULL.
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* @returns CONNECTED or DISCONNECTED.
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*/
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static bool
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Handle_CAP_LIST(CLIENT *Client, UNUSED char *Arg)
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{
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assert(Client != NULL);
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return IRC_WriteStrClient(Client, "CAP %s LIST :%s", Client_ID(Client),
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Get_CAP_String(Client_Cap(Client)));
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}
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/**
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* Handler for the "CAP REQ" command.
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*
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* @param Client The client from which this command has been received.
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* @param Arg Command argument.
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* @returns CONNECTED or DISCONNECTED.
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*/
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static bool
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Handle_CAP_REQ(CLIENT *Client, char *Arg)
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{
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int new_cap;
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assert(Client != NULL);
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assert(Arg != NULL);
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Set_CAP_Negotiation(Client);
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new_cap = Parse_CAP(Client_Cap(Client), Arg);
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if (new_cap < 0)
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return IRC_WriteStrClient(Client, "CAP %s NAK :%s",
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Client_ID(Client), Arg);
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Client_CapSet(Client, new_cap);
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return IRC_WriteStrClient(Client, "CAP %s ACK :%s",
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Client_ID(Client), Arg);
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}
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/**
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* Handler for the "CAP ACK" command.
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*
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* @param Client The client from which this command has been received.
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* @param Arg Command argument.
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* @returns CONNECTED or DISCONNECTED.
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*/
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static bool
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Handle_CAP_ACK(UNUSED CLIENT *Client, UNUSED char *Arg)
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{
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assert(Client != NULL);
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assert(Arg != NULL);
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return CONNECTED;
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}
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/**
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* Handler for the "CAP CLEAR" command.
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*
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* @param Client The client from which this command has been received.
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* @returns CONNECTED or DISCONNECTED.
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*/
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static bool
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Handle_CAP_CLEAR(CLIENT *Client)
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{
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int cap_old;
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assert(Client != NULL);
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cap_old = Client_Cap(Client);
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if (cap_old & CLIENT_CAP_MULTI_PREFIX)
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Client_CapDel(Client, CLIENT_CAP_MULTI_PREFIX);
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return IRC_WriteStrClient(Client, "CAP %s ACK :%s", Client_ID(Client),
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Get_CAP_String(cap_old));
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}
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/**
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* Handler for the "CAP END" command.
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*
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* @param Client The client from which this command has been received.
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* @returns CONNECTED or DISCONNECTED.
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*/
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static bool
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Handle_CAP_END(CLIENT *Client)
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{
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assert(Client != NULL);
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if (Client_Type(Client) != CLIENT_USER) {
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/* User is still logging in ... */
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Client_CapDel(Client, CLIENT_CAP_PENDING);
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if (Client_Type(Client) == CLIENT_WAITCAPEND) {
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/* Only "CAP END" was missing: log in! */
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return Login_User(Client);
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}
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}
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return CONNECTED;
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}
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/* Global functions */
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/**
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* Handler for the IRCv3 command "CAP".
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*
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* @param Client The client from which this command has been received.
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* @param Req Request structure with prefix and all parameters.
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* @return CONNECTED or DISCONNECTED.
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*/
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GLOBAL bool
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IRC_CAP(CLIENT *Client, REQUEST *Req)
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{
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assert(Client != NULL);
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assert(Req != NULL);
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/* Bad number of prameters? */
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if (Req->argc < 1 || Req->argc > 2)
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return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
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Client_ID(Client), Req->command);
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LogDebug("Got \"%s %s\" command from \"%s\" ...",
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Req->command, Req->argv[0], Client_ID(Client));
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if (Req->argc == 1) {
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if (strcasecmp(Req->argv[0], "CLEAR") == 0)
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return Handle_CAP_CLEAR(Client);
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if (strcasecmp(Req->argv[0], "END") == 0)
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return Handle_CAP_END(Client);
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}
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if (Req->argc >= 1 && Req->argc <= 2) {
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if (strcasecmp(Req->argv[0], "LS") == 0)
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return Handle_CAP_LS(Client, Req->argv[1]);
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if (strcasecmp(Req->argv[0], "LIST") == 0)
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return Handle_CAP_LIST(Client, Req->argv[1]);
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}
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if (Req->argc == 2) {
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if (strcasecmp(Req->argv[0], "REQ") == 0)
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return Handle_CAP_REQ(Client, Req->argv[1]);
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if (strcasecmp(Req->argv[0], "ACK") == 0)
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return Handle_CAP_ACK(Client, Req->argv[1]);
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}
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return IRC_WriteStrClient(Client, ERR_INVALIDCAP_MSG,
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Client_ID(Client), Req->argv[0]);
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}
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/* -eof- */
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