1033 lines
24 KiB
Plaintext
1033 lines
24 KiB
Plaintext
/* $NetBSD: cfparse.y,v 1.3 2000/12/04 07:09:35 itojun Exp $ */
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/* $KAME: cfparse.y,v 1.13 2000/12/04 06:45:28 itojun Exp $ */
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/*
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* Copyright (C) 1999 WIDE Project.
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* 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. Neither the name of the project nor the names of its 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 THE PROJECT 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 THE PROJECT 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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%{
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/ip_mroute.h>
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#include <netinet6/ip6_mroute.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include <syslog.h>
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#include <stdio.h>
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#include "defs.h"
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#include "vif.h"
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#include "mrt.h"
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#include "rp.h"
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#include "var.h"
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#include "vmbuf.h"
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#include "cfparse.h"
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#include "debug.h"
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#include "pimd.h"
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#include "timer.h"
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#include "inet6.h"
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#define set_param(var,val,p) \
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do {\
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if ((var) != -1) {\
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yywarn("%s doubly defined(ignore %d)", (p), (val));\
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}\
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else {\
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(var) = val;\
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}\
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} while(0)
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struct in6_prefix {
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struct in6_addr paddr;
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int plen;
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};
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struct attr_list {
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struct attr_list *next;
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int type;
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union {
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unsigned int flags;
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double number;
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struct in6_prefix prefix;
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}attru;
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};
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enum {IFA_FLAG, IFA_PREFERENCE, IFA_METRIC, RPA_PRIORITY, RPA_TIME,
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BSRA_PRIORITY, BSRA_TIME, BSRA_MASKLEN, IN6_PREFIX, THRESA_RATE,
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THRESA_INTERVAL};
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static int strict; /* flag if the grammer check is strict */
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static struct attr_list *rp_attr, *bsr_attr, *grp_prefix, *regthres_attr,
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*datathres_attr;
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static char *cand_rp_ifname, *cand_bsr_ifname;
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static int srcmetric, srcpref, helloperiod, jpperiod, granularity,
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datatimo, regsuptimo, probetime, asserttimo;
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static double helloperiod_coef, jpperiod_coef;
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static int debugonly;
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extern int yylex __P((void));
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%}
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%union {
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unsigned long num;
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double fl;
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vchar_t val;
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struct attr_list *attr;
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}
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%token EOS
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%token LOGGING LOGLEV NOLOGLEV
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%token YES NO
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%token REVERSELOOKUP
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%token PHYINT IFNAME DISABLE PREFERENCE METRIC NOLISTENER
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%token GRPPFX
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%token CANDRP CANDBSR TIME PRIORITY MASKLEN
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%token NUMBER STRING SLASH
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%token REGTHRES DATATHRES RATE INTERVAL
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%token SRCMETRIC SRCPREF HELLOPERIOD GRANULARITY JPPERIOD
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%token DATATIME REGSUPTIME PROBETIME ASSERTTIME
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%type <num> LOGLEV NOLOGLEV
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%type <fl> NUMBER
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%type <val> STRING IFNAME
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%type <attr> if_attributes rp_substatement rp_attributes
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%type <attr> bsr_substatement bsr_attributes thres_attributes
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%%
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statements:
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/* empty */
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| statements statement
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;
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statement:
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logging_statement
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| reverselookup_statement
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| phyint_statement
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| candrp_statement
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| candbsr_statement
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| grppfx_statement
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| regthres_statement
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| datathres_statement
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| param_statement
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;
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/* logging */
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logging_statement:
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LOGGING log_specs EOS
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;
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log_specs:
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/* empty */
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| log_specs LOGLEV {debug |= $2;}
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| log_specs NOLOGLEV {debug &= ~($2);}
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;
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/* reverselookup */
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reverselookup_statement:
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REVERSELOOKUP YES EOS { numerichost = FALSE; }
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| REVERSELOOKUP NO EOS { numerichost = TRUE; }
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;
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/* phyint */
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phyint_statement:
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PHYINT IFNAME if_attributes EOS {
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struct uvif *v;
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v = find_vif($2.v);
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free($2.v); /* XXX */
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if (v == NULL) {
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yywarn("unknown interface: %s", $2.v);
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free_attr_list($3);
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if (strict)
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return(-1);
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}
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else {
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struct attr_list *p;
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for (p = (struct attr_list *)v->config_attr;
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p && p->next; p = p->next)
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;
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if (p)
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p->next = (void *)$3;
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else
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v->config_attr = (void *)$3;
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}
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}
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;
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if_attributes:
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{ $$ = NULL; }
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| if_attributes DISABLE
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{
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if (($$ = add_attribute_flag($1, IFA_FLAG,
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VIFF_DISABLED)) == NULL)
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return(-1);
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}
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| if_attributes NOLISTENER
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{
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if (($$ = add_attribute_flag($1, IFA_FLAG,
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VIFF_NOLISTENER)) == NULL)
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return(-1);
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}
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| if_attributes PREFERENCE NUMBER
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{
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if (($$ = add_attribute_num($1, IFA_PREFERENCE, $3))
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== NULL)
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return(-1);
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}
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| if_attributes METRIC NUMBER
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{
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if (($$ = add_attribute_num($1, IFA_METRIC, $3))
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== NULL)
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return(-1);
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}
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;
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/* cand_rp */
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candrp_statement:
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CANDRP rp_substatement EOS {
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if (cand_rp_flag == TRUE) {
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yywarn("cand_rp doubly defined");
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free_attr_list($2);
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if (strict)
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return(-1);
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}
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else {
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cand_rp_flag = TRUE;
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rp_attr = $2;
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}
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}
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;
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/* XXX: intermediate rule to avoid shift-reduce conflict */
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rp_substatement:
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IFNAME rp_attributes
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{
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if (cand_rp_ifname) {
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yywarn("ifname for cand_rp doubly defined");
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if (strict)
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return(-1);
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}
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else
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cand_rp_ifname = $1.v;
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$$ = $2;
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}
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| rp_attributes
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;
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rp_attributes:
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{ $$ = NULL; }
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| rp_attributes PRIORITY NUMBER
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{
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if (($$ = add_attribute_num($1, RPA_PRIORITY, $3))
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== NULL)
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return(-1);
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}
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| rp_attributes TIME NUMBER
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{
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if (($$ = add_attribute_num($1, RPA_TIME, $3))
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== NULL)
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return(-1);
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}
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;
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/* cand_bootstrap_router */
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candbsr_statement:
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CANDBSR bsr_substatement EOS {
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if (cand_bsr_flag == TRUE) {
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yywarn("cand_bsr doubly defined");
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free_attr_list($2);
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if (strict)
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return(-1);
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}
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else {
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cand_bsr_flag = TRUE;
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bsr_attr = $2;
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}
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}
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;
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/* XXX: intermediate rule to avoid shift-reduce conflict */
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bsr_substatement:
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IFNAME bsr_attributes
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{
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if (cand_bsr_ifname) {
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yywarn("ifname for cand_bsr doubly defined");
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if (strict)
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return(-1);
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}
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else
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cand_bsr_ifname = $1.v;
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$$ = $2;
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}
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| bsr_attributes
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;
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bsr_attributes:
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{ $$ = NULL; }
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| bsr_attributes PRIORITY NUMBER
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{
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if (($$ = add_attribute_num($1, BSRA_PRIORITY, $3))
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== NULL)
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return(-1);
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}
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| bsr_attributes TIME NUMBER
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{
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if (($$ = add_attribute_num($1, BSRA_TIME, $3))
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== NULL)
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return(-1);
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}
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| bsr_attributes MASKLEN NUMBER
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{
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int masklen = $3;
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if (masklen < 0 || masklen > 128)
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yywarn("invalid mask length: %d (ignored)",
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masklen);
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else if (($$ = add_attribute_num($1, BSRA_MASKLEN,
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masklen))
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== NULL)
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return(-1);
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}
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;
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/* group_prefix <group-addr>/<prefix_len> */
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grppfx_statement:
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GRPPFX STRING SLASH NUMBER EOS {
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struct in6_prefix prefix;
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int prefixok = 1;
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if (inet_pton(AF_INET6, $2.v, &prefix.paddr) != 1) {
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yywarn("invalid IPv6 address: %s (ignored)", $2);
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prefixok = 0;
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}
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free($2.v); /* XXX: which was allocated dynamically */
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prefix.plen = $4;
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if (prefix.plen < 0 || prefix.plen > 128) {
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yywarn("invalid prefix length: %d (ignored)",
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prefix.plen);
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prefixok = 0;
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}
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if (IN6_IS_ADDR_MC_NODELOCAL(&prefix.paddr) ||
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IN6_IS_ADDR_MC_LINKLOCAL(&prefix.paddr)) {
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yywarn("group prefix (%s/%d) has a narrow scope "
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"(ignored)",
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inet6_fmt(&prefix.paddr), prefix.plen);
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prefixok = 0;
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}
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if (prefixok) {
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struct attr_list *new;
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if ((new = malloc(sizeof(*new))) == NULL) {
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yyerror("malloc failed");
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return(NULL);
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}
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memset(new, 0, sizeof(*new));
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new->type = IN6_PREFIX;
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new->attru.prefix = prefix;
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new->next = grp_prefix;
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grp_prefix = new;
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}
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}
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;
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/*
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* switch_register_threshold [rate <number> interval <number>]
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* Operation: reads and assigns the switch to the spt threshold
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* due to registers for the router, if used as RP.
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* Maybe extended to support different thresholds for different
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* groups(prefixes).
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*/
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regthres_statement:
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REGTHRES thres_attributes EOS {
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if (regthres_attr) {
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yywarn("switch_register_threshold doubly defined");
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free_attr_list($2);
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if (strict)
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return(-1);
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}
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else
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regthres_attr = $2;
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}
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;
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thres_attributes:
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{ $$ = NULL; }
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| thres_attributes RATE NUMBER
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{
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if (($$ = add_attribute_num($1, THRESA_RATE, $3))
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== NULL)
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return(-1);
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}
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| thres_attributes INTERVAL NUMBER
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{
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if (($$ = add_attribute_num($1, THRESA_INTERVAL, $3))
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== NULL)
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return(-1);
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}
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/*
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* switch_data_threshold [rate <number> interval <number>]
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* Operation: reads and assigns the switch to the spt threshold due to
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* data packets, if used as DR.
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*/
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datathres_statement:
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DATATHRES thres_attributes EOS {
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if (datathres_attr) {
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yywarn("switch_data_threshold doubly defined");
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free_attr_list($2);
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if (strict)
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return(-1);
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}
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else
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datathres_attr = $2;
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}
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;
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param_statement:
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SRCMETRIC NUMBER EOS
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{
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set_param(srcmetric, $2, "default_source_metric");
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}
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| SRCPREF NUMBER EOS
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{
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set_param(srcpref, $2, "default_source_preference");
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}
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| HELLOPERIOD NUMBER EOS
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{
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set_param(helloperiod, $2, "hello_period");
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}
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| HELLOPERIOD NUMBER NUMBER EOS
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{
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set_param(helloperiod, $2, "hello_period");
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set_param(helloperiod_coef, $3, "hello_period(coef)");
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}
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| JPPERIOD NUMBER EOS
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{
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set_param(jpperiod, $2, "join_prune_period");
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}
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| JPPERIOD NUMBER NUMBER EOS
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{
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set_param(jpperiod, $2, "join_prune_period");
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set_param(jpperiod_coef, $3, "join_prune_period(coef)");
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}
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| GRANULARITY NUMBER EOS
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{
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set_param(granularity, $2, "granularity");
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}
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| DATATIME NUMBER EOS
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{
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set_param(datatimo, $2, "data_timeout");
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}
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| REGSUPTIME NUMBER EOS
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{
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set_param(regsuptimo, $2, "register_suppression_timeout");
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}
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| PROBETIME NUMBER EOS
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{
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set_param(probetime, $2, "probe_time");
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}
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| ASSERTTIME NUMBER EOS
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{
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set_param(asserttimo, $2, "assert_timeout");
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}
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;
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%%
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static struct attr_list *add_attribute_flag __P((struct attr_list *, int,
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unsigned int));
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static struct attr_list *add_attribute_num __P((struct attr_list *, int,
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double));
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static void free_attr_list __P((struct attr_list *));
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static int param_config __P((void));
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static int phyint_config __P((void));
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static int rp_config __P((void));
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static int bsr_config __P((void));
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static int grp_prefix_config __P((void));
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static int regthres_config __P((void));
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static int datathres_config __P((void));
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static struct attr_list *
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add_attribute_flag(list, type, flag)
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struct attr_list *list;
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int type;
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unsigned int flag;
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{
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struct attr_list *p;
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if ((p = malloc(sizeof(*p))) == NULL) {
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yyerror("malloc failed");
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return(NULL);
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}
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memset((void *)p, 0, sizeof(*p));
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p->type = type;
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p->attru.flags = flag;
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p->next = list;
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return(p);
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}
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/* XXX: too many dup code... */
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static struct attr_list *
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add_attribute_num(list, type, num)
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struct attr_list *list;
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int type;
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double num;
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{
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struct attr_list *p;
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if ((p = malloc(sizeof(*p))) == NULL) {
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yyerror("malloc failed");
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return(NULL);
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}
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memset((void *)p, 0, sizeof(*p));
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p->type = type;
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p->attru.number = num;
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p->next = list;
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return(p);
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}
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static void
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free_attr_list(list)
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struct attr_list *list;
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{
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struct attr_list *p, *next;
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for(p = list; p; p = next) {
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next = p->next;
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free(p);
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}
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}
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static int
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param_config()
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{
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struct uvif *v;
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vifi_t vifi;
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/* at first, set the default values to all the undefined variables */
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if (srcmetric == -1) srcmetric = DEFAULT_LOCAL_METRIC;
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if (srcpref == -1) srcpref = DEFAULT_LOCAL_PREF;
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if (helloperiod == -1) helloperiod = PIM_TIMER_HELLO_PERIOD;
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if (helloperiod_coef == -1) helloperiod_coef = 3.5;
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if (jpperiod == -1) jpperiod = PIM_JOIN_PRUNE_PERIOD;
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if (jpperiod_coef == -1) jpperiod_coef = 3.5;
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if (granularity == -1) granularity = DEFAULT_TIMER_INTERVAL;
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if (datatimo == -1) datatimo = PIM_DATA_TIMEOUT;
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if (regsuptimo == -1) regsuptimo = PIM_REGISTER_SUPPRESSION_TIMEOUT;
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if (probetime == -1) probetime = PIM_REGISTER_PROBE_TIME;
|
|
if (asserttimo == -1) asserttimo = PIM_ASSERT_TIMEOUT;
|
|
|
|
/* set protocol parameters using the configuration variables */
|
|
for (vifi = 0, v = uvifs; vifi < MAXVIFS; ++vifi, ++v) {
|
|
v->uv_local_metric = srcmetric;
|
|
v->uv_local_pref = srcpref;
|
|
}
|
|
pim_hello_period = helloperiod;
|
|
pim_hello_holdtime = helloperiod * helloperiod_coef;
|
|
pim_join_prune_period = jpperiod;
|
|
pim_join_prune_holdtime = jpperiod * jpperiod_coef;
|
|
timer_interval = granularity;
|
|
pim_data_timeout = datatimo;
|
|
pim_register_suppression_timeout = regsuptimo;
|
|
pim_register_probe_time = probetime;
|
|
pim_assert_timeout = asserttimo;
|
|
|
|
IF_DEBUG(DEBUG_PIM_HELLO) {
|
|
log(LOG_DEBUG, 0, "pim_hello_period set to: %u",
|
|
pim_hello_period);
|
|
log(LOG_DEBUG, 0, "pim_hello_holdtime set to: %u",
|
|
pim_hello_holdtime);
|
|
}
|
|
|
|
IF_DEBUG(DEBUG_PIM_JOIN_PRUNE) {
|
|
log(LOG_DEBUG,0 , "pim_join_prune_period set to: %u",
|
|
pim_join_prune_period);
|
|
log(LOG_DEBUG, 0, "pim_join_prune_holdtime set to: %u",
|
|
pim_join_prune_holdtime);
|
|
}
|
|
IF_DEBUG(DEBUG_TIMER) {
|
|
log(LOG_DEBUG,0 , "timer interval set to: %u", timer_interval);
|
|
}
|
|
IF_DEBUG(DEBUG_PIM_TIMER) {
|
|
log(LOG_DEBUG,0 , "PIM data timeout set to: %u",
|
|
pim_data_timeout);
|
|
}
|
|
IF_DEBUG(DEBUG_PIM_REGISTER) {
|
|
log(LOG_DEBUG, 0,
|
|
"PIM register suppression timeout set to: %u",
|
|
pim_register_suppression_timeout);
|
|
log(LOG_DEBUG, 0, "PIM register probe time set to: %u",
|
|
pim_register_probe_time);
|
|
}
|
|
IF_DEBUG(DEBUG_PIM_ASSERT) {
|
|
log(LOG_DEBUG, 0,
|
|
"PIM assert timeout set to: %u",
|
|
pim_assert_timeout);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
phyint_config()
|
|
{
|
|
struct uvif *v;
|
|
vifi_t vifi;
|
|
struct attr_list *al;
|
|
|
|
for (vifi = 0, v = uvifs; vifi < numvifs ; ++vifi , ++v) {
|
|
for (al = (struct attr_list *)v->config_attr; al; al = al->next) {
|
|
switch(al->type) {
|
|
case IFA_FLAG:
|
|
v->uv_flags |= al->attru.flags;
|
|
break;
|
|
case IFA_PREFERENCE:
|
|
if (al->attru.number < 1 ||
|
|
al->attru.number > 255)
|
|
yywarn("invalid phyint preference(%d)",
|
|
(int)al->attru.number);
|
|
else {
|
|
v->uv_local_pref = al->attru.number;
|
|
IF_DEBUG(DEBUG_ASSERT)
|
|
log(LOG_DEBUG, 0,
|
|
"default localpref for %s "
|
|
"is %d",
|
|
v->uv_name,
|
|
v->uv_local_pref);
|
|
}
|
|
break;
|
|
case IFA_METRIC:
|
|
if (al->attru.number < 1 ||
|
|
al->attru.number > 1024)
|
|
yywarn("invalid metric(%d)",
|
|
al->attru.number);
|
|
else {
|
|
v->uv_metric = al->attru.number;
|
|
IF_DEBUG(DEBUG_ASSERT)
|
|
log(LOG_DEBUG, 0,
|
|
"default local metric for %s "
|
|
"is %d",
|
|
v->uv_name,
|
|
v->uv_metric);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* IPv6 PIM needs one global unicast address (at least for now) */
|
|
if (max_global_address() == NULL)
|
|
log(LOG_ERR, 0, "There's no global address available");
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
rp_config()
|
|
{
|
|
struct sockaddr_in6 *sa6_rp = NULL;
|
|
struct attr_list *al;
|
|
u_int8 *data_ptr;
|
|
|
|
/* initialization by default values */
|
|
my_cand_rp_adv_period = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
|
|
my_cand_rp_priority = PIM_DEFAULT_CAND_RP_PRIORITY;
|
|
|
|
if (cand_rp_ifname) {
|
|
sa6_rp = local_iface(cand_rp_ifname);
|
|
if (!sa6_rp)
|
|
log(LOG_WARNING, 0,
|
|
"cand_rp '%s' is not configured. "
|
|
"take the max local address the router..",
|
|
cand_rp_ifname);
|
|
}
|
|
|
|
for (al = rp_attr; al; al = al->next) {
|
|
switch(al->type) {
|
|
case RPA_PRIORITY:
|
|
if (al->attru.number < 0)
|
|
my_cand_rp_priority =
|
|
PIM_DEFAULT_CAND_RP_PRIORITY;
|
|
else
|
|
my_cand_rp_priority = al->attru.number;
|
|
break;
|
|
case RPA_TIME:
|
|
if (al->attru.number < 10)
|
|
my_cand_rp_adv_period = 10;
|
|
else if (al->attru.number > PIM_DEFAULT_CAND_RP_ADV_PERIOD)
|
|
my_cand_rp_adv_period =
|
|
PIM_DEFAULT_CAND_RP_ADV_PERIOD;
|
|
else
|
|
my_cand_rp_adv_period = al->attru.number;
|
|
break;
|
|
default:
|
|
yywarn("unknown attribute(%d) for RP", al->type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!sa6_rp)
|
|
sa6_rp = max_global_address(); /* this MUST succeed */
|
|
my_cand_rp_address = *sa6_rp;
|
|
|
|
/*
|
|
* initialize related parameters
|
|
*/
|
|
|
|
/*
|
|
* Note that sizeof(pim6_enocd_uni_addr_t) might be larger than
|
|
* the length of the Encoded-Unicast-address field(18 byte) due to
|
|
* some padding put in the compiler. However, it doesn't matter
|
|
* since we use the space just as a buffer(i.e not as the message).
|
|
*/
|
|
cand_rp_adv_message.buffer = (u_int8 *)malloc(4 +
|
|
sizeof(pim6_encod_uni_addr_t) +
|
|
255*sizeof(pim6_encod_grp_addr_t));
|
|
if(cand_rp_adv_message.buffer == NULL)
|
|
log(LOG_ERR, 0, "Candrpadv Buffer allocation");
|
|
|
|
cand_rp_adv_message.prefix_cnt_ptr = cand_rp_adv_message.buffer;
|
|
|
|
/*
|
|
* By default, if no group_prefix configured, then prefix_cnt == 0
|
|
* implies group_prefix = ff00::/8 and masklen = 8.
|
|
*/
|
|
*cand_rp_adv_message.prefix_cnt_ptr = 0;
|
|
cand_rp_adv_message.insert_data_ptr = cand_rp_adv_message.buffer;
|
|
|
|
/* TODO: XXX: HARDCODING!!! */
|
|
cand_rp_adv_message.insert_data_ptr += (4 + 18);
|
|
cand_rp_adv_message.message_size =
|
|
cand_rp_adv_message.insert_data_ptr - cand_rp_adv_message.buffer;
|
|
|
|
my_cand_rp_holdtime = 2.5 * my_cand_rp_adv_period;
|
|
|
|
/* TODO: HARDCODING! */
|
|
data_ptr = cand_rp_adv_message.buffer + 1; /* WARNING */
|
|
PUT_BYTE(my_cand_rp_priority,data_ptr);
|
|
PUT_HOSTSHORT(my_cand_rp_holdtime, data_ptr);
|
|
PUT_EUADDR6(my_cand_rp_address.sin6_addr,data_ptr);
|
|
IF_DEBUG(DEBUG_PIM_CAND_RP) {
|
|
log(LOG_DEBUG, 0,
|
|
"Local Cand-RP address is : %s",
|
|
inet6_fmt(&my_cand_rp_address.sin6_addr));
|
|
log(LOG_DEBUG, 0,
|
|
"Local Cand-RP priority is : %u",my_cand_rp_priority);
|
|
log(LOG_DEBUG, 0,
|
|
"Local Cand-RP advertisement period is : %u sec.",
|
|
my_cand_rp_adv_period);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
bsr_config()
|
|
{
|
|
struct sockaddr_in6 *sa6_bsr = NULL;
|
|
struct attr_list *al;
|
|
int my_bsr_hash_masklen;
|
|
|
|
/* initialization by default values */
|
|
my_bsr_period = PIM_DEFAULT_BOOTSTRAP_PERIOD;
|
|
my_bsr_priority = PIM_DEFAULT_BSR_PRIORITY;
|
|
my_bsr_hash_masklen = RP_DEFAULT_IPV6_HASHMASKLEN;
|
|
|
|
if (cand_bsr_ifname) {
|
|
sa6_bsr = local_iface(cand_bsr_ifname);
|
|
if (!sa6_bsr)
|
|
log(LOG_WARNING, 0,
|
|
"bsr '%s' is not configured. "
|
|
"take the max local address the router..",
|
|
cand_bsr_ifname);
|
|
}
|
|
|
|
for (al = bsr_attr; al; al = al->next) {
|
|
switch(al->type) {
|
|
case BSRA_PRIORITY:
|
|
if (al->attru.number >= 0)
|
|
my_bsr_priority = al->attru.number;
|
|
break;
|
|
case BSRA_MASKLEN:
|
|
/* validation has been done. */
|
|
my_bsr_hash_masklen = al->attru.number;
|
|
break;
|
|
case BSRA_TIME:
|
|
if (al->attru.number < 10)
|
|
my_bsr_period = 10;
|
|
else if (al->attru.number > PIM_DEFAULT_BOOTSTRAP_PERIOD)
|
|
my_bsr_period =
|
|
PIM_DEFAULT_BOOTSTRAP_PERIOD;
|
|
else
|
|
my_bsr_period = al->attru.number;
|
|
break;
|
|
default:
|
|
yywarn("unknown attribute(%d) for BSR", al->type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!sa6_bsr)
|
|
sa6_bsr = max_global_address(); /* this MUST succeed */
|
|
my_bsr_address = *sa6_bsr;
|
|
MASKLEN_TO_MASK6(my_bsr_hash_masklen, my_bsr_hash_mask);
|
|
|
|
IF_DEBUG(DEBUG_PIM_BOOTSTRAP) {
|
|
log(LOG_DEBUG, 0, "Local BSR address: %s",
|
|
inet6_fmt(&my_bsr_address.sin6_addr));
|
|
log(LOG_DEBUG, 0, "Local BSR priority : %u", my_bsr_priority);
|
|
log(LOG_DEBUG, 0, "Local BSR period is : %u sec.",
|
|
my_bsr_period);
|
|
log(LOG_DEBUG, 0, "Local BSR hash mask length: %d",
|
|
my_bsr_hash_masklen);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
grp_prefix_config()
|
|
{
|
|
struct attr_list *pl;
|
|
|
|
if (cand_rp_flag != TRUE) {
|
|
log(LOG_WARNING, 0,
|
|
"group_prefix was specified without cand_rp(ignored)");
|
|
return(0);
|
|
}
|
|
|
|
for (pl = grp_prefix; pl; pl = pl->next) {
|
|
if (!IN6_IS_ADDR_MULTICAST(&pl->attru.prefix.paddr)) {
|
|
log(LOG_WARNING, 0,
|
|
"Config error: %s is not a mulicast address(ignored)",
|
|
inet6_fmt(&pl->attru.prefix.paddr));
|
|
continue;
|
|
}
|
|
|
|
if (!(~(*cand_rp_adv_message.prefix_cnt_ptr))) {
|
|
log(LOG_WARNING, 0,
|
|
"Too many group_prefix configured. Truncating...");
|
|
break;
|
|
}
|
|
|
|
/* validation for plen has almost done */
|
|
if (pl->attru.prefix.plen < PIM_GROUP_PREFIX_DEFAULT_MASKLEN)
|
|
pl->attru.prefix.plen = PIM_GROUP_PREFIX_DEFAULT_MASKLEN;
|
|
|
|
PUT_EGADDR6(pl->attru.prefix.paddr,
|
|
(u_int8)pl->attru.prefix.plen, 0,
|
|
cand_rp_adv_message.insert_data_ptr);
|
|
(*cand_rp_adv_message.prefix_cnt_ptr)++;
|
|
}
|
|
|
|
/* finally, adjust the data size */
|
|
cand_rp_adv_message.message_size =
|
|
cand_rp_adv_message.insert_data_ptr - cand_rp_adv_message.buffer;
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
regthres_config()
|
|
{
|
|
struct attr_list *al;
|
|
int rate = -1;
|
|
int interval = -1;
|
|
|
|
if (cand_rp_flag != TRUE) {
|
|
log(LOG_WARNING, 0,
|
|
"register_threshold was specified without cand_rp");
|
|
}
|
|
|
|
for (al = regthres_attr; al; al = al->next) {
|
|
switch(al->type) {
|
|
case THRESA_RATE:
|
|
if (al->attru.number < 0)
|
|
yywarn("invalid regthres rate: %d(ignored)",
|
|
al->attru.number);
|
|
else if (rate != -1)
|
|
yywarn("regthres rate is doubly defined(ignored)");
|
|
else
|
|
rate = al->attru.number;
|
|
break;
|
|
case THRESA_INTERVAL:
|
|
if (al->attru.number < 0)
|
|
yywarn("invalid regthres interval: %d(ignored)",
|
|
al->attru.number);
|
|
else if (interval != -1)
|
|
yywarn("regthres interval is doubly defined(ignored)");
|
|
else
|
|
interval = al->attru.number;
|
|
break;
|
|
default:
|
|
yywarn("unknown attribute(%d) for regthres", al->type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* set default values if not specified */
|
|
if (rate == -1)
|
|
rate = PIM_DEFAULT_REG_RATE;
|
|
if (interval == -1)
|
|
interval = PIM_DEFAULT_REG_RATE_INTERVAL;
|
|
|
|
pim_reg_rate_bytes = (rate * interval ) /10;
|
|
pim_reg_rate_check_interval = interval;
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
datathres_config()
|
|
{
|
|
struct attr_list *al;
|
|
int rate = -1;
|
|
int interval = -1;
|
|
|
|
for (al = datathres_attr; al; al = al->next) {
|
|
switch(al->type) {
|
|
case THRESA_RATE:
|
|
if (al->attru.number < 0)
|
|
yywarn("invalid datathres rate: %d(ignored)",
|
|
al->attru.number);
|
|
else if (rate != -1)
|
|
yywarn("datathres rate is doubly defined(ignored)");
|
|
else
|
|
rate = al->attru.number;
|
|
break;
|
|
case THRESA_INTERVAL:
|
|
if (al->attru.number < 0)
|
|
yywarn("invalid datathres interval: %d(ignored)",
|
|
al->attru.number);
|
|
else if (interval != -1)
|
|
yywarn("datathres interval is doubly defined(ignored)");
|
|
else
|
|
interval = al->attru.number;
|
|
break;
|
|
default:
|
|
yywarn("unknown attribute(%d) for datathres", al->type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* set default values if not specified */
|
|
if (rate == -1)
|
|
rate = PIM_DEFAULT_DATA_RATE;
|
|
if (interval == -1)
|
|
interval = PIM_DEFAULT_DATA_RATE_INTERVAL;
|
|
|
|
pim_data_rate_bytes = (rate * interval ) /10;
|
|
pim_data_rate_check_interval = interval;
|
|
|
|
return(0);
|
|
}
|
|
|
|
int
|
|
cf_post_config()
|
|
{
|
|
struct uvif *v;
|
|
vifi_t vifi;
|
|
|
|
if (debugonly)
|
|
goto cleanup;
|
|
|
|
param_config(); /* must be called before phyint_conifg() */
|
|
|
|
phyint_config();
|
|
|
|
if (cand_bsr_flag == TRUE)
|
|
bsr_config();
|
|
|
|
if (cand_rp_flag == TRUE)
|
|
rp_config();
|
|
|
|
if (grp_prefix) /* this must be called after rp_config() */
|
|
grp_prefix_config();
|
|
|
|
if (cand_rp_flag == TRUE)
|
|
regthres_config();
|
|
|
|
datathres_config();
|
|
|
|
IF_DEBUG(DEBUG_SWITCH) {
|
|
log(LOG_DEBUG, 0, "reg_rate_limit set to %u (bits/s)",
|
|
pim_reg_rate_bytes);
|
|
log(LOG_DEBUG, 0, "reg_rate_interval set to %u s.",
|
|
pim_reg_rate_check_interval);
|
|
log(LOG_DEBUG, 0, "data_rate_limit set to %u (bits/s)",
|
|
pim_data_rate_bytes);
|
|
log(LOG_DEBUG, 0, "data_rate_interval set to %u s.",
|
|
pim_data_rate_check_interval);
|
|
}
|
|
|
|
cleanup:
|
|
/* cleanup temporary variables */
|
|
if (cand_rp_ifname) free(cand_rp_ifname);
|
|
if (cand_bsr_ifname) free(cand_bsr_ifname);
|
|
if (rp_attr) free_attr_list(rp_attr);
|
|
if (bsr_attr) free_attr_list(bsr_attr);
|
|
if (grp_prefix) free_attr_list(grp_prefix);
|
|
if (regthres_attr) free_attr_list(regthres_attr);
|
|
if (datathres_attr) free_attr_list(datathres_attr);
|
|
for (vifi = 0, v = uvifs; vifi < numvifs ; ++vifi , ++v)
|
|
free_attr_list((struct attr_list *)v->config_attr);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* initialize all the temporary variables */
|
|
void
|
|
cf_init(s, d)
|
|
{
|
|
struct uvif *v;
|
|
vifi_t vifi;
|
|
|
|
strict = s;
|
|
debugonly = d;
|
|
|
|
debug = 0;
|
|
|
|
rp_attr = bsr_attr = grp_prefix = regthres_attr = datathres_attr = NULL;
|
|
|
|
cand_rp_ifname = cand_bsr_ifname = NULL;
|
|
|
|
srcmetric = srcpref = helloperiod = jpperiod = jpperiod_coef
|
|
= granularity = datatimo = regsuptimo = probetime
|
|
= asserttimo = -1;
|
|
helloperiod_coef = jpperiod_coef = -1;
|
|
|
|
for (vifi = 0, v = uvifs; vifi < numvifs ; ++vifi , ++v)
|
|
v->config_attr = NULL;
|
|
}
|