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Changed syntax of attaching filters to protocols to hopefully the final

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version:

	EXPORT <filter-spec>	for outbound routes (i.e., those announced
				by BIRD to the rest of the world).
	IMPORT <filter-spec>	for inbound routes (i.e., those imported
				by BIRD from the rest of the world).

where <filter-spec> is one of:

	ALL			pass all routes
	NONE			drop all routes
	FILTER <name>		use named filter
	FILTER { <filter> }	use explicitly defined filter

For all protocols, the default is IMPORT ALL, EXPORT NONE. This includes
the kernel protocol, so that you need to add EXPORT ALL to get the previous
configuration of kernel syncer (as usually, see doc/bird.conf.example for
a bird.conf example :)).
This commit is contained in:
Martin Mares 1999-04-05 20:15:31 +00:00
parent 63a381dbf5
commit 5056c559c4
3 changed files with 16 additions and 8 deletions
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4
doc/bird.conf.example
View file

@ -27,8 +27,8 @@ protocol kernel {
persist; # Don't remove routes on bird shutdown
scan time 20; # Scan kernel routing table every 20 seconds
# async off; # Netlink: Disable asynchronous events
# input filter sink;
# output filter okay;
# import none; # Default is import all
export all; # Default is export none
}
protocol device {

13
nest/config.Y
View file

@ -17,9 +17,10 @@ void rt_dev_add_iface(char *);
CF_DECLS
CF_KEYWORDS(ROUTER, ID, PROTOCOL, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
CF_KEYWORDS(INTERFACE, INPUT, OUTPUT, FILTER)
CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE)
%type <i> idval
%type <f> imexport
CF_GRAMMAR
@ -67,8 +68,14 @@ proto_item:
| DEBUG expr { this_proto->debug = $2; }
| DEBUG ALL { this_proto->debug = ~0; }
| DEBUG OFF { this_proto->debug = 0; }
| INPUT FILTER filter { this_proto->in_filter = $3; }
| OUTPUT FILTER filter { this_proto->out_filter = $3; }
| IMPORT imexport { this_proto->in_filter = $2; }
| EXPORT imexport { this_proto->out_filter = $2; }
;
imexport:
FILTER filter { $$ = $2; }
| ALL { $$ = FILTER_ACCEPT; }
| NONE { $$ = FILTER_REJECT; }
;
/* Direct device route protocol */

7
nest/proto.c
View file

@ -111,6 +111,7 @@ proto_config_new(struct protocol *pr, unsigned size)
c->proto = pr;
c->debug = pr->debug;
c->name = pr->name;
c->out_filter = FILTER_REJECT;
return c;
}
@ -247,9 +248,9 @@ protos_dump_all(void)
debug(" protocol %s (pri=%d): state %s/%s\n", p->name, p->proto->priority,
p_states[p->proto_state], c_states[p->core_state]);
if (p->in_filter)
debug("\tInput filter: %s\n", p->in_filter->name);
if (p->out_filter)
debug("\tOutput filter: %s\n", p->out_filter->name);
debug("\tInput filter: %s\n", filter_name(p->in_filter));
if (p->out_filter != FILTER_REJECT)
debug("\tOutput filter: %s\n", filter_name(p->out_filter));
if (p->disabled)
debug("\tDISABLED\n");
else if (p->proto->dump)