mirror of https://github.com/pissnet/pissircd.git
142 lines
4.3 KiB
C
142 lines
4.3 KiB
C
/*
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* IRC - Internet Relay Chat, src/modules/out.c
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* (C) 2004 The UnrealIRCd Team
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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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 1, or (at your option)
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* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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CMD_FUNC(cmd_netinfo);
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#define MSG_NETINFO "NETINFO"
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ModuleHeader MOD_HEADER
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= {
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"netinfo",
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"5.0",
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"command /netinfo",
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"UnrealIRCd Team",
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"unrealircd-6",
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};
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MOD_INIT()
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{
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CommandAdd(modinfo->handle, MSG_NETINFO, cmd_netinfo, MAXPARA, CMD_SERVER);
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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MOD_LOAD()
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD()
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{
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return MOD_SUCCESS;
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}
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/** NETINFO: Share configuration settings with directly linked server.
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* Originally written by Stskeeps
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*
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* Technical documentation:
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* https://www.unrealircd.org/docs/Server_protocol:NETINFO_command
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*
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* parv[1] = max global count
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* parv[2] = time of end sync
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* parv[3] = unreal protocol using (numeric)
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* parv[4] = cloak key check (> u2302)
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* parv[5] = free(**)
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* parv[6] = free(**)
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* parv[7] = free(**)
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* parv[8] = network name
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*/
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CMD_FUNC(cmd_netinfo)
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{
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long lmax;
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long endsync, protocol;
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char buf[512];
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if (parc < 9)
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return;
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/* Only allow from directly connected servers */
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if (!MyConnect(client))
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return;
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if (IsNetInfo(client))
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{
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unreal_log(ULOG_WARNING, "link", "NETINFO_ALREADY_RECEIVED", client,
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"Got NETINFO from server $client, but we already received it earlier!");
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return;
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}
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/* is a long therefore not ATOI */
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lmax = atol(parv[1]);
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endsync = atol(parv[2]);
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protocol = atol(parv[3]);
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/* max global count != max_global_count --sts */
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if (lmax > irccounts.global_max)
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{
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irccounts.global_max = lmax;
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unreal_log(ULOG_INFO, "link", "NEW_GLOBAL_RECORD", client,
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"Record global users is now $record_global_users (set by server $client)",
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log_data_integer("record_global_users", lmax));
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}
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unreal_log(ULOG_INFO, "link", "SERVER_SYNCED", client,
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"Link $client -> $me is now synced "
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"[secs: $synced_after_seconds, recv: $received_bytes, sent: $sent_bytes]",
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log_data_client("me", &me),
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log_data_integer("synced_after_seconds", TStime() - endsync),
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log_data_integer("received_bytes", client->local->traffic.bytes_received),
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log_data_integer("sent_bytes", client->local->traffic.bytes_sent));
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if (!(strcmp(NETWORK_NAME, parv[8]) == 0))
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{
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unreal_log(ULOG_WARNING, "link", "NETWORK_NAME_MISMATCH", client,
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"Network name mismatch: server $client has '$their_network_name', "
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"server $me has '$our_network_name'.",
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log_data_client("me", &me),
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log_data_string("their_network_name", parv[8]),
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log_data_string("our_network_name", NETWORK_NAME));
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}
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if ((protocol != UnrealProtocol) && (protocol != 0))
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{
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unreal_log(ULOG_INFO, "link", "LINK_PROTOCOL_MISMATCH", client,
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"Server $client is running UnrealProtocol $their_link_protocol, "
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"server $me uses $our_link_protocol.",
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log_data_client("me", &me),
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log_data_integer("their_link_protocol", protocol),
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log_data_integer("our_link_protocol", UnrealProtocol));
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}
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strlcpy(buf, CLOAK_KEY_CHECKSUM, sizeof(buf));
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if (*parv[4] != '*' && strcmp(buf, parv[4]))
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{
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unreal_log(ULOG_WARNING, "link", "CLOAK_KEY_MISMATCH", client,
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"Server $client has a DIFFERENT CLOAK KEY (OR METHOD)!!! You should fix this ASAP!\n"
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"When the cloaking configuration is different on servers, this will cause "
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"channel bans on cloaked hosts/IPs not to work correctly, "
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"meaning users can bypass channel bans!");
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}
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SetNetInfo(client);
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}
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