1998-09-15 08:23:17 +00:00
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/*
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*
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* ===================================
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* HARP | Host ATM Research Platform
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* ===================================
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*
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*
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* This Host ATM Research Platform ("HARP") file (the "Software") is
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* made available by Network Computing Services, Inc. ("NetworkCS")
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* "AS IS". NetworkCS does not provide maintenance, improvements or
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* support of any kind.
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*
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* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
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* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
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* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
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* In no event shall NetworkCS be responsible for any damages, including
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* but not limited to consequential damages, arising from or relating to
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* any use of the Software or related support.
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*
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* Copyright 1994-1998 Network Computing Services, Inc.
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*
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* Copies of this Software may be made, however, the above copyright
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* notice must be reproduced on all copies.
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*
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1999-08-28 01:35:59 +00:00
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* @(#) $FreeBSD$
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1998-09-15 08:23:17 +00:00
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*
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*/
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/*
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* Server Cache Synchronization Protocol (SCSP) Support
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* ----------------------------------------------------
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*
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* Configuration file processing
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*
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netatm/port.h>
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#include <netatm/queue.h>
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#include <netatm/atm.h>
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#include <netatm/atm_if.h>
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#include <netatm/atm_sap.h>
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#include <netatm/atm_sys.h>
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#include <netatm/atm_ioctl.h>
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1999-07-01 20:48:59 +00:00
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#include <errno.h>
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1998-09-15 08:23:17 +00:00
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#include <libatm.h>
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1999-07-01 20:48:59 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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1998-09-15 08:23:17 +00:00
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#include "scsp_msg.h"
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#include "scsp_if.h"
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#include "scsp_var.h"
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1999-07-01 20:48:59 +00:00
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#ifndef lint
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1999-08-28 01:35:59 +00:00
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__RCSID("@(#) $FreeBSD$");
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1999-07-01 20:48:59 +00:00
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#endif
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2002-10-10 00:32:55 +00:00
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extern int yyparse(void);
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1998-09-15 08:23:17 +00:00
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/*
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* Global variables
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*/
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FILE *cfg_file;
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Scsp_server *current_server;
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Scsp_dcs *current_dcs;
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/*
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* Process the configuration file
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*
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* This routine is called when the daemon starts, and it can also be
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* called while it is running, as the result of a SIGHUP signal. It
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* therefore has to be capable of both configuring the daemon from
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* scratch and modifying the configuration of a running daemon.
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*
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* Arguments:
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* cfn configuration file name
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*
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* Returns:
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* 0 configuration read with no errors
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* else error found in configuration file
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*
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*/
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int
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scsp_config(cfn)
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char *cfn;
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{
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int rc;
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Scsp_server *ssp, *snext;
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/*
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* Open the configuration file
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*/
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cfg_file = fopen(cfn, "r");
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if (!cfg_file) {
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scsp_log(LOG_ERR, "can't open config file %s",
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(void *)cfn);
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exit(1);
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}
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/*
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* Initialize current interface pointer
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*/
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current_server = (Scsp_server *)0;
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/*
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* Clear marks on any existing servers
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*/
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for (ssp = scsp_server_head; ssp; ssp = ssp->ss_next) {
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ssp->ss_mark = 0;
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}
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/*
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* Scan the configuration file, processing each line as
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* it is read
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*/
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rc = yyparse();
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/*
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* Close the configuration file
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*/
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fclose(cfg_file);
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/*
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* Delete any server entries that weren't updated
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*/
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for (ssp = scsp_server_head; ssp; ssp = snext) {
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snext = ssp->ss_next;
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if (!ssp->ss_mark)
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scsp_server_delete(ssp);
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}
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return(rc);
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}
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/*
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* Prepare for SCSP DCS setup
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*
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* This routine is called from yyparse() when a DCS command is found.
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*
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* Arguments:
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* none
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*
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* Returns:
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* 0 success
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* 1 error encountered
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*
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*/
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int
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start_dcs()
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{
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Scsp_dcs *dcsp;
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/*
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* Make sure we have a current server block
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*/
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if (!current_server) {
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parse_error("server not found");
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return(1);
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}
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/*
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* Allocate a DCS block
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*/
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2002-05-16 23:57:37 +00:00
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dcsp = calloc(1, sizeof(Scsp_dcs));
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if (dcsp == NULL)
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1998-09-15 08:23:17 +00:00
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scsp_mem_err("start_dcs: sizeof(Scsp_dcs)");
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/*
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* Fill out DCS links and default values
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*/
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dcsp->sd_server = current_server;
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dcsp->sd_addr.address_format = T_ATM_ABSENT;
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dcsp->sd_subaddr.address_format = T_ATM_ABSENT;
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dcsp->sd_sock = -1;
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dcsp->sd_ca_rexmt_int = SCSP_CAReXmitInterval;
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dcsp->sd_csus_rexmt_int = SCSP_CSUSReXmitInterval;
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dcsp->sd_hops = SCSP_CSA_HOP_CNT;
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dcsp->sd_csu_rexmt_int = SCSP_CSUReXmitInterval;
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dcsp->sd_csu_rexmt_max = SCSP_CSUReXmitMax;
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LINK2TAIL(dcsp, Scsp_dcs, current_server->ss_dcs, sd_next);
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current_dcs = dcsp;
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return(0);
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}
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/*
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* Finish up server configuration
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*
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* This routine is called from yyparse() to at the end of a DCS
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* command. It checks that required fields are set and finishes
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* up the DCS block.
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*
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* Arguments:
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* none
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*
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* Returns:
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* 0 success
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* 1 error encountered
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*
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*/
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int
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finish_dcs()
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{
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int rc = 0;
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Scsp_dcs *dcsp;
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Scsp_server *ssp;
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/*
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* Make sure we have a current server block and DCS block
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*/
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if (!current_server) {
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parse_error("server not found");
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return(1);
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}
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if (!current_dcs) {
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parse_error("server not found");
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return(1);
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}
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ssp = current_server;
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dcsp = current_dcs;
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/*
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* Make sure the DCS ID is set
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*/
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if (dcsp->sd_dcsid.id_len == 0) {
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parse_error("DCS ID not set");
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rc++;
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}
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/*
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* Make sure the ATM address is set
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*/
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if (dcsp->sd_addr.address_format == T_ATM_ABSENT) {
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parse_error("DCS ATM address not set");
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rc++;
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}
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current_dcs = (Scsp_dcs *)0;
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return(rc);
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}
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/*
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* Configure DCS ATM address
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*
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* This routine is called from yyparse() to process an ATMaddr command.
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*
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* Arguments:
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* ap pointer to DCS's ATM address (in ASCII)
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* sap pointer to DCS's ATM subaddress (in ASCII)
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*
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* Returns:
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* 0 success
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* 1 error encountered
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*
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*/
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int
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set_dcs_addr(ap, sap)
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char *ap, *sap;
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{
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Scsp_dcs *dcsp;
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Atm_addr addr, subaddr;
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/*
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* Make sure we have a current server block and DCS block
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*/
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if (!current_server) {
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parse_error("server not found");
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return(1);
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}
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if (!current_dcs) {
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parse_error("server not found");
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return(1);
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}
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dcsp = current_dcs;
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/*
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* Initialize
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*/
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2002-05-16 23:57:37 +00:00
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bzero(&addr, sizeof(addr));
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1998-09-15 08:23:17 +00:00
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addr.address_format = T_ATM_ABSENT;
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2002-05-16 23:57:37 +00:00
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bzero(&subaddr, sizeof(subaddr));
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1998-09-15 08:23:17 +00:00
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subaddr.address_format = T_ATM_ABSENT;
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/*
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* Convert the ATM address from character to internal format
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*/
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if (ap) {
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addr.address_length = get_hex_atm_addr(ap,
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(u_char *)addr.address, strlen(ap));
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if (addr.address_length == 0) {
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parse_error("invalid ATM address");
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return(1);
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}
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if (addr.address_length == sizeof(Atm_addr_nsap)) {
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addr.address_format = T_ATM_ENDSYS_ADDR;
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} else if (addr.address_length <=
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sizeof(Atm_addr_e164)) {
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addr.address_format = T_ATM_E164_ADDR;
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} else {
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parse_error("invalid ATM address");
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return(1);
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}
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}
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/*
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* Convert the ATM subaddress from character to internal format
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*/
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if (sap) {
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subaddr.address_length = get_hex_atm_addr(sap,
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(u_char *)subaddr.address, strlen(sap));
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if (subaddr.address_length == 0) {
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parse_error("invalid ATM address");
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return(1);
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}
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if (subaddr.address_length == sizeof(Atm_addr_nsap)) {
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subaddr.address_format = T_ATM_ENDSYS_ADDR;
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} else if (subaddr.address_length <=
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sizeof(Atm_addr_e164)) {
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subaddr.address_format = T_ATM_E164_ADDR;
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} else {
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parse_error("invalid ATM subaddress");
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return(1);
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}
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}
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/*
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* Make sure we have a legal ATM address type combination
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*/
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if (((addr.address_format != T_ATM_ENDSYS_ADDR) ||
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(subaddr.address_format != T_ATM_ABSENT)) &&
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((addr.address_format != T_ATM_E164_ADDR) ||
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(subaddr.address_format != T_ATM_ENDSYS_ADDR))) {
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parse_error("invalid address/subaddress combination");
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return(1);
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}
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/*
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* Save the address and subaddress
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*/
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ATM_ADDR_COPY(&addr, &dcsp->sd_addr);
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ATM_ADDR_COPY(&subaddr, &dcsp->sd_subaddr);
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return(0);
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}
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/*
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* Configure CA retransmit interval for DCS
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*
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* This routine is called from yyparse() to process a CAReXmitInt
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* command.
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*
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* Arguments:
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* val time interval
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*
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* Returns:
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* 0 success
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* 1 error encountered
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*
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*/
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int
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|
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set_dcs_ca_rexmit(val)
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int val;
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{
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Scsp_dcs *dcsp;
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/*
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* Make sure we have a current server block and DCS block
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*/
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if (!current_server) {
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parse_error("server not found");
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return(1);
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}
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if (!current_dcs) {
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parse_error("server not found");
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return(1);
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}
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|
|
dcsp = current_dcs;
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/*
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|
* Validate the interval
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|
*/
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|
|
if (val <= 0 || val > 1024) {
|
|
|
|
parse_error("invalid CA retransmit interval");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set CA retransmit interval
|
|
|
|
*/
|
|
|
|
dcsp->sd_ca_rexmt_int = val;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure CSUS retransmit interval for DCS
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a CSUSReXmitInt
|
|
|
|
* command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* val time interval
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_dcs_csus_rexmit(val)
|
|
|
|
int val;
|
|
|
|
{
|
|
|
|
Scsp_dcs *dcsp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we have a current server block and DCS block
|
|
|
|
*/
|
|
|
|
if (!current_server) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!current_dcs) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
dcsp = current_dcs;
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Validate the interval
|
|
|
|
*/
|
|
|
|
if (val <= 0 || val > 1024) {
|
|
|
|
parse_error("invalid CSUS retransmit interval");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set CSUS retransmit interval
|
|
|
|
*/
|
|
|
|
dcsp->sd_csus_rexmt_int = val;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure CSU retransmit interval for DCS
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a CSUReXmitInt
|
|
|
|
* command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* val time interval
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_dcs_csu_rexmit(val)
|
|
|
|
int val;
|
|
|
|
{
|
|
|
|
Scsp_dcs *dcsp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we have a current server block and DCS block
|
|
|
|
*/
|
|
|
|
if (!current_server) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!current_dcs) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
dcsp = current_dcs;
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Validate the interval
|
|
|
|
*/
|
|
|
|
if (val <= 0 || val > 1024) {
|
|
|
|
parse_error("invalid CSU retransmit interval");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set CSU retransmit interval
|
|
|
|
*/
|
|
|
|
dcsp->sd_csu_rexmt_int = val;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure CSU retransmit limit for DCS
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a CSUReXmitMax
|
|
|
|
* command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* val time interval
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_dcs_csu_rexmit_max(val)
|
|
|
|
int val;
|
|
|
|
{
|
|
|
|
Scsp_dcs *dcsp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we have a current server block and DCS block
|
|
|
|
*/
|
|
|
|
if (!current_server) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!current_dcs) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
dcsp = current_dcs;
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Validate the interval
|
|
|
|
*/
|
|
|
|
if (val <= 0 || val > 1024) {
|
|
|
|
parse_error("invalid CSU retransmit maximum");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set CSU retransmit limit
|
|
|
|
*/
|
|
|
|
dcsp->sd_csu_rexmt_max = val;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure Hello dead factor for DCS
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a HelloDead
|
|
|
|
* command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* val number of times Hello interval has to expire before
|
|
|
|
* a DCS is considered dead
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_dcs_hello_df(val)
|
|
|
|
int val;
|
|
|
|
{
|
|
|
|
Scsp_dcs *dcsp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we have a current server block and DCS block
|
|
|
|
*/
|
|
|
|
if (!current_server) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!current_dcs) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
dcsp = current_dcs;
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Validate the limit
|
|
|
|
*/
|
|
|
|
if (val <= 0 || val > 1024) {
|
|
|
|
parse_error("invalid Hello dead factor");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set Hello dead factor
|
|
|
|
*/
|
|
|
|
dcsp->sd_hello_df = val;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure Hello interval for DCS
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a HelloInt
|
|
|
|
* command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* val time interval
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_dcs_hello_int(val)
|
|
|
|
int val;
|
|
|
|
{
|
|
|
|
Scsp_dcs *dcsp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we have a current server block and DCS block
|
|
|
|
*/
|
|
|
|
if (!current_server) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!current_dcs) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
dcsp = current_dcs;
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Validate the interval
|
|
|
|
*/
|
|
|
|
if (val <= 0 || val > 1024) {
|
|
|
|
parse_error("invalid Hello interval");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set Hello interval
|
|
|
|
*/
|
|
|
|
dcsp->sd_hello_int = val;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure hop count for SCSP server
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a Hops command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* hops number of hops
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_dcs_hops(hops)
|
|
|
|
int hops;
|
|
|
|
{
|
|
|
|
Scsp_dcs *dcsp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we have a current server block and DCS block
|
|
|
|
*/
|
|
|
|
if (!current_server) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!current_dcs) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
dcsp = current_dcs;
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Validate the count
|
|
|
|
*/
|
|
|
|
if (hops <= 0 || hops > 1024) {
|
|
|
|
parse_error("invalid hop count");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set hop count
|
|
|
|
*/
|
|
|
|
dcsp->sd_hops = hops;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure DCS ID
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process an ID command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* name pointer to DCS's DNS name or IP address (in ASCII)
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_dcs_id(name)
|
|
|
|
char *name;
|
|
|
|
{
|
|
|
|
Scsp_dcs *dcsp;
|
|
|
|
Scsp_server *ssp;
|
|
|
|
struct sockaddr_in *ip_addr;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we have a current server block and DCS block
|
|
|
|
*/
|
|
|
|
if (!current_server) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!current_dcs) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
ssp = current_server;
|
|
|
|
dcsp = current_dcs;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Convert the DNS name or IP address
|
|
|
|
*/
|
|
|
|
ip_addr = get_ip_addr(name);
|
|
|
|
if (!ip_addr) {
|
|
|
|
parse_error("invalid DCS IP address");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Verify the address length
|
|
|
|
*/
|
|
|
|
if (ssp->ss_id_len != sizeof(ip_addr->sin_addr)) {
|
|
|
|
parse_error("invalid DCS ID length");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set the ID in the DCS block
|
|
|
|
*/
|
|
|
|
dcsp->sd_dcsid.id_len = ssp->ss_id_len;
|
2002-05-16 23:57:37 +00:00
|
|
|
bcopy(&ip_addr->sin_addr, dcsp->sd_dcsid.id, ssp->ss_id_len);
|
1998-09-15 08:23:17 +00:00
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure network interface for SCSP server
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a Netif command.
|
|
|
|
* It verifies the network interface name, gets interface information
|
|
|
|
* from the kernel, and sets the appropriate fields in the server
|
|
|
|
* control block.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* netif pointer to network interface name
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_intf(netif)
|
|
|
|
char *netif;
|
|
|
|
{
|
|
|
|
int rc;
|
|
|
|
Scsp_server *ssp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get the current network interface address
|
|
|
|
*/
|
|
|
|
ssp = current_server;
|
|
|
|
if (!ssp) {
|
|
|
|
parse_error("Server not found");
|
|
|
|
rc = 1;
|
|
|
|
goto set_intf_done;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure we're configuring a valid
|
|
|
|
* network interface
|
|
|
|
*/
|
|
|
|
rc = verify_nif_name(netif);
|
|
|
|
if (rc == 0) {
|
|
|
|
parse_error("%s is not a valid network interface",
|
|
|
|
(void *)netif);
|
|
|
|
rc = 1;
|
|
|
|
goto set_intf_done;
|
|
|
|
} else if (rc < 0) {
|
|
|
|
scsp_log(LOG_ERR, "Netif name verify error");
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Save the server's network interface name
|
|
|
|
*/
|
|
|
|
strcpy(ssp->ss_intf, netif);
|
|
|
|
rc = 0;
|
|
|
|
|
|
|
|
set_intf_done:
|
|
|
|
return(rc);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure protocol for SCSP server
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a Protocol command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* proto SCSP protocol being configured
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_protocol(proto)
|
|
|
|
int proto;
|
|
|
|
{
|
|
|
|
Scsp_server *ssp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get address of current server block
|
|
|
|
*/
|
|
|
|
ssp = current_server;
|
|
|
|
if (!ssp) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Process based on protocol ID
|
|
|
|
*/
|
|
|
|
switch(proto) {
|
|
|
|
case SCSP_PROTO_ATMARP:
|
|
|
|
ssp->ss_pid = proto;
|
|
|
|
ssp->ss_id_len = SCSP_ATMARP_ID_LEN;
|
|
|
|
ssp->ss_ckey_len = SCSP_ATMARP_KEY_LEN;
|
|
|
|
break;
|
|
|
|
case SCSP_PROTO_NHRP:
|
|
|
|
ssp->ss_pid = proto;
|
|
|
|
ssp->ss_id_len = SCSP_NHRP_ID_LEN;
|
|
|
|
ssp->ss_ckey_len = SCSP_NHRP_KEY_LEN;
|
|
|
|
break;
|
|
|
|
case SCSP_PROTO_MARS:
|
|
|
|
case SCSP_PROTO_DHCP:
|
|
|
|
case SCSP_PROTO_LNNI:
|
|
|
|
default:
|
|
|
|
parse_error("invalid protocol");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure server group for SCSP server
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a ServerGroupID
|
|
|
|
* command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* sgid server group id
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_server_group(sgid)
|
|
|
|
int sgid;
|
|
|
|
{
|
|
|
|
Scsp_server *ssp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get address of current server block
|
|
|
|
*/
|
|
|
|
ssp = current_server;
|
|
|
|
if (!ssp) {
|
|
|
|
parse_error("server not found");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Validate server group ID
|
|
|
|
*/
|
|
|
|
if (sgid <= 0) {
|
|
|
|
parse_error("invalid server group ID");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Save the ID
|
|
|
|
*/
|
|
|
|
ssp->ss_sgid = sgid;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Prepare for SCSP server setup
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() when a Server statment is
|
|
|
|
* found.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* name pointer to LIS name
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* else error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
start_server(name)
|
|
|
|
char *name;
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
Scsp_server *ssp;
|
|
|
|
Scsp_dcs *dcsp, *next_dcs;
|
|
|
|
Scsp_cse *csep, *next_cse;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* See if we already have an entry for this name
|
|
|
|
*/
|
|
|
|
for (ssp = scsp_server_head; ssp; ssp = ssp->ss_next) {
|
|
|
|
if (strcasecmp(ssp->ss_name, name) == 0)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ssp) {
|
|
|
|
/*
|
|
|
|
* Log the fact that we're updating the entry
|
|
|
|
*/
|
|
|
|
scsp_log(LOG_INFO, "updating server entry for %s",
|
|
|
|
(void *)name);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Free the existing cache
|
|
|
|
*/
|
|
|
|
for (i = 0; i < SCSP_HASHSZ; i++) {
|
|
|
|
for (csep = ssp->ss_cache[i]; csep;
|
|
|
|
csep = next_cse) {
|
|
|
|
next_cse = csep->sc_next;
|
|
|
|
UNLINK(csep, Scsp_cse, ssp->ss_cache[i],
|
|
|
|
sc_next);
|
2002-05-16 23:57:37 +00:00
|
|
|
free(csep);
|
1998-09-15 08:23:17 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Delete existing DCS blocks
|
|
|
|
*/
|
|
|
|
for (dcsp = ssp->ss_dcs; dcsp; dcsp = next_dcs) {
|
|
|
|
next_dcs = dcsp->sd_next;
|
|
|
|
scsp_dcs_delete(dcsp);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
/*
|
|
|
|
* Get a new server entry
|
|
|
|
*/
|
2002-05-16 23:57:37 +00:00
|
|
|
ssp = calloc(1, sizeof(Scsp_server));
|
|
|
|
if (ssp == NULL) {
|
1998-09-15 08:23:17 +00:00
|
|
|
scsp_log(LOG_ERR, "unable to allocate server entry");
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
ssp->ss_sock = -1;
|
|
|
|
ssp->ss_dcs_lsock = -1;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set the name
|
|
|
|
*/
|
|
|
|
ssp->ss_name = strdup(name);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Link in the new interface entry
|
|
|
|
*/
|
|
|
|
LINK2TAIL(ssp, Scsp_server, scsp_server_head,
|
|
|
|
ss_next);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If the mark is already set, this is a duplicate command
|
|
|
|
*/
|
|
|
|
if (ssp->ss_mark) {
|
|
|
|
parse_error("duplicate server \"%s\"", name);
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make this the current interface
|
|
|
|
*/
|
|
|
|
current_server = ssp;
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Finish up server configuration
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() when the end of a server
|
|
|
|
* statement is reached. It checks that required fields are set
|
|
|
|
* and marks the entry as processed.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* None
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 OK
|
|
|
|
* 1 Error
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
finish_server()
|
|
|
|
{
|
|
|
|
int rc = 0;
|
|
|
|
Scsp_server *ssp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get the current network interface address
|
|
|
|
*/
|
|
|
|
ssp = current_server;
|
|
|
|
if (!ssp) {
|
|
|
|
parse_error("Server not found");
|
|
|
|
rc++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Mark the interface as processed
|
|
|
|
*/
|
|
|
|
ssp->ss_mark = 1;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure the interface has been configured
|
|
|
|
*/
|
|
|
|
if (ssp->ss_intf == (char *)0) {
|
|
|
|
parse_error("netif missing from server specification");
|
|
|
|
rc++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure the protocol is set
|
|
|
|
*/
|
|
|
|
if (ssp->ss_pid == 0) {
|
|
|
|
parse_error("protocol missing from server specification");
|
|
|
|
rc++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure the server group is set
|
|
|
|
*/
|
|
|
|
if (ssp->ss_sgid == 0) {
|
|
|
|
parse_error("server group ID missing from server specification");
|
|
|
|
rc++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure at least one DCS is configured
|
|
|
|
*/
|
|
|
|
if (ssp->ss_dcs == (Scsp_dcs *)0) {
|
|
|
|
parse_error("no DCS configured for server");
|
|
|
|
rc++;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Mark the end of the server
|
|
|
|
*/
|
|
|
|
current_server = (Scsp_server *)0;
|
|
|
|
|
|
|
|
return(rc);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Configure log file for SCSP server
|
|
|
|
*
|
|
|
|
* This routine is called from yyparse() to process a log File command.
|
|
|
|
*
|
|
|
|
* Arguments:
|
|
|
|
* file name of logging file
|
|
|
|
*
|
|
|
|
* Returns:
|
|
|
|
* 0 success
|
|
|
|
* 1 error encountered
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
set_log_file(file)
|
|
|
|
char *file;
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* Make sure we haven't already got a log file
|
|
|
|
*/
|
|
|
|
if (scsp_log_file) {
|
|
|
|
parse_error("multiple log files specified");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Open the file
|
|
|
|
*/
|
|
|
|
scsp_log_file = fopen(file, "a");
|
|
|
|
if (!scsp_log_file) {
|
|
|
|
parse_error("can't open log file");
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return(0);
|
|
|
|
}
|