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/* |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Copyright (c) 2003-2020 ircd-hybrid development team |
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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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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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*/ |
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|
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/*! \file m_encap.c |
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* \brief Includes required functions for processing the ENCAP command. |
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* \version $Id$ |
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*/ |
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|
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#include "stdinc.h" |
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#include "client.h" |
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#include "parse.h" |
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#include "server_capab.h" |
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#include "send.h" |
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#include "modules.h" |
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#include "irc_string.h" |
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|
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|
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/* |
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* ms_encap() |
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* |
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* inputs - destination server, subcommand, parameters |
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* output - none |
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* side effects - propagates subcommand to locally connected servers |
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*/ |
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static void |
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ms_encap(struct Client *source_p, int parc, char *parv[]) |
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{ |
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char buffer[IRCD_BUFSIZE] = "", *ptr = buffer; |
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unsigned int cur_len = 0, len; |
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|
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for (unsigned int i = 1; i < (unsigned int)parc - 1; ++i) |
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{ |
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len = strlen(parv[i]) + 1; /* +1 for the space */ |
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|
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/* Drop the whole command if this parameter would be truncated */ |
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if ((cur_len + len) >= sizeof(buffer)) |
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return; |
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|
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snprintf(ptr, sizeof(buffer) - cur_len, "%s ", parv[i]); |
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cur_len += len; |
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ptr += len; |
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} |
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|
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/* If it's a command without parameters, don't prepend a ':' */ |
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if (parc == 3) |
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snprintf(ptr, sizeof(buffer) - cur_len, "%s", parv[2]); |
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else |
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snprintf(ptr, sizeof(buffer) - cur_len, ":%s", parv[parc - 1]); |
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|
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sendto_match_servs(source_p, parv[1], CAPAB_ENCAP, "ENCAP %s", buffer); |
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|
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if (match(parv[1], me.name)) |
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return; |
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|
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struct Message *message = find_command(parv[2]); |
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if (message == NULL) |
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return; |
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|
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const struct MessageHandler *const handler = &message->handlers[ENCAP_HANDLER]; |
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message->bytes += strlen(buffer); |
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parv += 2; |
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parc -= 2; |
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|
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if (handler->args_min && |
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(((unsigned int)parc < handler->args_min) || |
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(handler->empty_last_arg != true && EmptyString(parv[handler->args_min - 1])))) |
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return; |
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|
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handler->handler(source_p, parc, parv); |
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} |
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|
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static struct Message encap_msgtab = |
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{ |
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.cmd = "ENCAP", |
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.handlers[UNREGISTERED_HANDLER] = { .handler = m_ignore }, |
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.handlers[CLIENT_HANDLER] = { .handler = m_ignore }, |
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.handlers[SERVER_HANDLER] = { .handler = ms_encap, .args_min = 3 }, |
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.handlers[ENCAP_HANDLER] = { .handler = m_ignore }, |
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.handlers[OPER_HANDLER] = { .handler = m_ignore } |
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}; |
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|
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static void |
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module_init(void) |
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{ |
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mod_add_cmd(&encap_msgtab); |
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capab_add("ENCAP", CAPAB_ENCAP); |
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} |
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|
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static void |
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module_exit(void) |
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{ |
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mod_del_cmd(&encap_msgtab); |
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capab_del("ENCAP"); |
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} |
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|
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struct module module_entry = |
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{ |
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.version = "$Revision$", |
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.modinit = module_init, |
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.modexit = module_exit, |
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}; |
