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85d2c81156
In rt_change() remember to update the interface pointer otherwise we will send the RIP packets to the wrong interface(s) in future. Update the hash generator and increase the size of the hash tables. Only use the network and host parts when comparing IPX interface addresses. Immediately broadscast RIP and SAP changes. Change the alarm code to use the setitimer() call and only set a flag in the alarm signal handler. This gets rid of possible race conditions. Remove the host routing table. IPX RIP cannot do host routes, only net routes. Make the delay between broadcast packets 50ms. It seems that some Netware 4.x servers is very slow and don't have much input buffering. Handle received messages about networks and services that go down, better. Add tracing of RIP and SAP changes. It gets sysloged with a level of LOG_DEBUG.
109 lines
3.6 KiB
C
109 lines
3.6 KiB
C
/*
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* Copyright (c) 1995 John Hay. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by John Hay.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY John Hay AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL John Hay OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: sap.h,v 1.5 1997/02/22 16:00:59 peter Exp $
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*/
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#ifndef _SAP_H_
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#define _SAP_H_
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#define SAP_REQ 1
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#define SAP_RESP 2
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#define SAP_REQ_NEAR 3
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#define SAP_RESP_NEAR 4
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#define SAPCMD_MAX 5
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#ifdef SAPCMDS
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char *sapcmds[SAPCMD_MAX] =
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{ "#0", "REQUEST", "RESPONSE", "REQ NEAREST", "RESP NEAREST"};
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#endif
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#define MAXSAPENTRIES 7
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#define SAP_WILDCARD 0xFFFF
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#define SERVNAMELEN 48
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typedef struct sap_info {
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u_short ServType;
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char ServName[SERVNAMELEN];
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struct ipx_addr ipx;
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u_short hops;
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}sap_info;
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typedef struct sap_packet {
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u_short sap_cmd;
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sap_info sap[0]; /* Variable length. */
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}sap_packet;
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typedef struct sap_entry {
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struct sap_entry *forw;
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struct sap_entry *back;
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struct sap_entry *clone;
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struct interface *ifp;
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struct sap_info sap;
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struct sockaddr source;
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int hash;
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int state;
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int timer;
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}sap_entry;
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#define SAPHASHSIZ 256 /* Should be a power of 2 */
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#define SAPHASHMASK (SAPHASHSIZ-1)
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typedef struct sap_hash {
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struct sap_entry *forw;
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struct sap_entry *back;
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}sap_hash;
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extern sap_hash sap_head[SAPHASHSIZ];
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extern struct sap_packet *sap_msg;
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void sapinit(void);
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void sap_input(struct sockaddr *from, int size);
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void sapsndmsg(struct sockaddr *dst, int flags, struct interface *ifp,
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int changesonly);
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void sap_supply_toall(int changesonly);
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void sap_supply(struct sockaddr *dst,
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int flags,
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struct interface *ifp,
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int ServType,
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int changesonly);
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struct sap_entry *sap_lookup(u_short ServType, char *ServName);
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struct sap_entry *sap_nearestserver(ushort ServType, struct interface *ifp);
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void sap_add(struct sap_info *si, struct sockaddr *from);
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void sap_change(struct sap_entry *sap,
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struct sap_info *si,
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struct sockaddr *from);
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void sap_add_clone(struct sap_entry *sap,
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struct sap_info *clone,
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struct sockaddr *from);
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void sap_delete(struct sap_entry *sap);
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#endif /*_SAP_H_*/
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