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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* s_serv.h: A header for the server functions. |
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* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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* |
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* $Id$ |
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*/ |
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|
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#ifndef INCLUDED_serv_h |
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#define INCLUDED_serv_h |
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#include "config.h" |
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|
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/* collect ziplinks compression ratios/etc every minute */ |
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#define ZIPSTATS_TIME 60 |
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|
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struct ConfItem; |
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|
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/* |
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* number of seconds to wait after server starts up, before |
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* starting try_connections() |
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* TOO SOON and you can nick collide like crazy. |
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*/ |
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#define STARTUP_CONNECTIONS_TIME 60 |
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|
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struct Client; |
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struct AccessItem; |
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struct Channel; |
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|
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/* Capabilities */ |
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struct Capability |
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{ |
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dlink_node node; |
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char *name; /* name of capability */ |
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unsigned int cap; /* mask value */ |
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}; |
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|
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#define CAP_CAP 0x00000001 /* received a CAP to begin with */ |
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#define CAP_QS 0x00000002 /* Can handle quit storm removal */ |
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#define CAP_EX 0x00000004 /* Can do channel +e exemptions */ |
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#define CAP_CHW 0x00000008 /* Can do channel wall @# */ |
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#define CAP_IE 0x00000010 /* Can do invite exceptions */ |
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#define CAP_EOB 0x00000020 /* Can do EOB message */ |
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#define CAP_KLN 0x00000040 /* Can do KLINE message */ |
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#define CAP_GLN 0x00000080 /* Can do GLINE message */ |
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#define CAP_HUB 0x00000100 /* This server is a HUB */ |
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#define CAP_TS6 0x00000200 /* Can do TS6 */ |
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#define CAP_ZIP 0x00000400 /* Can do ZIPlinks */ |
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#define CAP_ENC 0x00000800 /* Can do ENCrypted links */ |
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#define CAP_KNOCK 0x00001000 /* supports KNOCK */ |
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#define CAP_TB 0x00002000 /* supports TB */ |
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#define CAP_UNKLN 0x00004000 /* Can do UNKLINE message */ |
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#define CAP_CLUSTER 0x00008000 /* supports server clustering */ |
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#define CAP_ENCAP 0x00010000 /* supports ENCAP message */ |
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#define CAP_HOPS 0x00020000 /* supports HALFOPS */ |
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#define CAP_TBURST 0x00040000 /* supports TBURST */ |
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|
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#ifdef HAVE_LIBZ |
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#define CAP_ZIP_SUPPORTED CAP_ZIP |
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#else |
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#define CAP_ZIP_SUPPORTED 0 |
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#endif |
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|
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#ifdef HAVE_LIBCRYPTO |
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struct EncCapability |
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{ |
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const char *name; /* name of capability (cipher name) */ |
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unsigned int cap; /* mask value */ |
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int keylen; /* keylength (bytes) */ |
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int cipherid; /* ID number of cipher type (BF, IDEA, etc.) */ |
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}; |
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|
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/* |
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* Cipher ID numbers |
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* - DO NOT CHANGE THESE! Otherwise you break backwards compatibility |
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* If you wish to add a new cipher, append it to the list. Do not |
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* have it's value replace another. |
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*/ |
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#define CIPHER_BF 1 |
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#define CIPHER_CAST 2 |
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#define CIPHER_DES 3 |
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#define CIPHER_3DES 4 |
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#define CIPHER_IDEA 5 |
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#define CIPHER_RC5_8 6 |
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#define CIPHER_RC5_12 7 |
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#define CIPHER_RC5_16 8 |
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|
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/* Cipher Capabilities */ |
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#define CAP_ENC_BF_128 0x00000001 |
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#define CAP_ENC_BF_168 0x00000002 |
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#define CAP_ENC_CAST_128 0x00000004 |
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#define CAP_ENC_DES_56 0x00000008 |
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#define CAP_ENC_3DES_168 0x00000010 |
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#define CAP_ENC_IDEA_128 0x00000020 |
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#define CAP_ENC_RC5_8_128 0x00000040 |
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#define CAP_ENC_RC5_12_128 0x00000080 |
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#define CAP_ENC_RC5_16_128 0x00000100 |
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#define CAP_ENC_ALL 0xFFFFFFFF |
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|
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|
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/* */ |
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#ifdef HAVE_EVP_BF_CFB |
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#define USE_CIPHER_BF 1 |
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/* Check for bug handling variable length blowfish keys */ |
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#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x00000000L |
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#define USE_CIPHER_BF_V 1 |
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#else |
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#define USE_CIPHER_BF_V 0 |
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#endif |
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#else |
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#define USE_CIPHER_BF_V 0 |
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#define USE_CIPHER_BF 0 |
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#endif |
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/* Cast */ |
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#ifdef HAVE_EVP_CAST5_CFB |
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#define USE_CIPHER_CAST 1 |
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#else |
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#define USE_CIPHER_CAST 0 |
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#endif |
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/* DES */ |
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#ifdef HAVE_EVP_DES_CFB |
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#define USE_CIPHER_DES 1 |
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#else |
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#define USE_CIPHER_DES 0 |
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#endif |
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/* 3DES */ |
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#ifdef HAVE_EVP_DES_EDE3_CFB |
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#define USE_CIPHER_3DES 1 |
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#else |
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#define USE_CIPHER_3DES 0 |
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#endif |
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/* IDEA */ |
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#ifdef HAVE_EVP_IDEA_CFB |
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#define USE_CIPHER_IDEA 1 |
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#else |
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#define USE_CIPHER_IDEA 0 |
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#endif |
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/* RC5 */ |
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#ifdef HAVE_EVP_RC5_32_12_16_CFB |
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#define USE_CIPHER_RC5 1 |
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#else |
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#define USE_CIPHER_RC5 0 |
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#endif |
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|
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/* Only enable ciphers supported by available version of OpenSSL */ |
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#define CAP_ENC_MASK \ |
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(((USE_CIPHER_BF * CAP_ENC_ALL) & CAP_ENC_BF_128) | \ |
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((USE_CIPHER_BF_V * CAP_ENC_ALL) & CAP_ENC_BF_168) | \ |
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((USE_CIPHER_CAST * CAP_ENC_ALL) & CAP_ENC_CAST_128) | \ |
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((USE_CIPHER_DES * CAP_ENC_ALL) & CAP_ENC_DES_56) | \ |
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((USE_CIPHER_3DES * CAP_ENC_ALL) & CAP_ENC_3DES_168) | \ |
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((USE_CIPHER_IDEA * CAP_ENC_ALL) & CAP_ENC_IDEA_128) | \ |
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((USE_CIPHER_RC5 * CAP_ENC_ALL) & CAP_ENC_RC5_8_128) | \ |
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((USE_CIPHER_RC5 * CAP_ENC_ALL) & CAP_ENC_RC5_12_128) | \ |
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((USE_CIPHER_RC5 * CAP_ENC_ALL) & CAP_ENC_RC5_16_128)) |
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|
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#define IsCapableEnc(x, cap) ((x)->localClient->enc_caps & (cap)) |
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#define SetCapableEnc(x, cap) ((x)->localClient->enc_caps |= (cap)) |
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#define ClearCapEnc(x, cap) ((x)->localClient->enc_caps &= ~(cap)) |
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#endif /* HAVE_LIBCRYPTO */ |
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|
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#define CHECK_SERVER_CRYPTLINK 1 |
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#define CHECK_SERVER_NOCRYPTLINK 0 |
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|
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/* |
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* Capability macros. |
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*/ |
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#define IsCapable(x, cap) ((x)->localClient->caps & (cap)) |
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#define SetCapable(x, cap) ((x)->localClient->caps |= (cap)) |
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#define ClearCap(x, cap) ((x)->localClient->caps &= ~(cap)) |
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|
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#define SLINKCMD_SET_ZIP_OUT_LEVEL 1 /* data */ |
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#define SLINKCMD_START_ZIP_OUT 2 |
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#define SLINKCMD_START_ZIP_IN 3 |
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#define SLINKCMD_SET_CRYPT_IN_CIPHER 4 /* data */ |
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#define SLINKCMD_SET_CRYPT_IN_KEY 5 /* data */ |
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#define SLINKCMD_START_CRYPT_IN 6 |
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#define SLINKCMD_SET_CRYPT_OUT_CIPHER 7 /* data */ |
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#define SLINKCMD_SET_CRYPT_OUT_KEY 8 /* data */ |
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#define SLINKCMD_START_CRYPT_OUT 9 |
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#define SLINKCMD_INJECT_RECVQ 10 /* data */ |
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#define SLINKCMD_INJECT_SENDQ 11 /* data */ |
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#define SLINKCMD_INIT 12 |
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#define SLINKCMD_ZIPSTATS 13 |
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|
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#define SLINKRPL_FLAG_DATA 0x0001 /* reply has data following */ |
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#define SLINKRPL_ERROR 1 |
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#define SLINKRPL_ZIPSTATS 2 |
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|
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typedef void SlinkRplHnd(unsigned int replyid, unsigned int datalen, |
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unsigned char *data, struct Client *client_p); |
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struct SlinkRplDef |
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{ |
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unsigned int replyid; |
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SlinkRplHnd *handler; |
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unsigned int flags; |
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}; |
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|
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extern struct SlinkRplDef slinkrpltab[]; |
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|
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/* |
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* Globals |
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* |
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* |
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* list of recognized server capabilities. "TS" is not on the list |
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* because all servers that we talk to already do TS, and the kludged |
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* extra argument to "PASS" takes care of checking that. -orabidoo |
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*/ |
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extern struct Capability captab[]; |
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#ifdef HAVE_LIBCRYPTO |
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extern struct EncCapability CipherTable[]; |
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#endif |
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|
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/* |
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* return values for hunt_server() |
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*/ |
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#define HUNTED_NOSUCH (-1) /* if the hunted server is not found */ |
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#define HUNTED_ISME 0 /* if this server should execute the command */ |
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#define HUNTED_PASS 1 /* if message passed onwards successfully */ |
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|
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extern int check_server(const char *, struct Client *, int); |
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extern int hunt_server(struct Client *, struct Client *, |
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const char *, int, int, char **); |
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extern const char *my_name_for_link(struct ConfItem *); |
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extern void add_capability(const char *, int, int); |
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extern int delete_capability(const char *); |
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extern int find_capability(const char *); |
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extern void send_capabilities(struct Client *, struct AccessItem *, int, int); |
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extern void write_links_file(void *); |
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extern void server_estab(struct Client *); |
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extern const char *show_capabilities(struct Client *); |
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extern void try_connections(void *); |
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extern void collect_zipstats(void *); |
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extern void burst_channel(struct Client *client_p, struct Channel *); |
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extern void sendnick_TS(struct Client *, struct Client *); |
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extern int serv_connect(struct AccessItem *, struct Client *); |
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extern struct Client *find_servconn_in_progress(const char *); |
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extern void cryptlink_init(struct Client *, struct ConfItem *, fde_t *); |
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extern void cryptlink_regen_key(void *); |
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extern void cryptlink_error(struct Client *, const char *, |
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const char *, const char *); |
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extern struct EncCapability *check_cipher(struct Client *, struct AccessItem *); |
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extern struct Server *make_server(struct Client *); |
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|
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/* XXX don't belong in the now gone md5, but do these belong in s_serv.c ? */ |
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extern int base64_block(unsigned char **, char *, int); |
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extern int unbase64_block(unsigned char **, char *, int); |
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#endif /* INCLUDED_s_serv_h */ |
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|
