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/*
* IS-IS Rout(e)ing protocol - isis_routemap.c
*
* Copyright (C) 2013-2015 Christian Franke <chris@opensourcerouting.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "command.h"
#include "filter.h"
#include "hash.h"
#include "if.h"
#include "linklist.h"
#include "log.h"
#include "memory.h"
#include "prefix.h"
#include "plist.h"
#include "routemap.h"
#include "table.h"
#include "thread.h"
#include "vty.h"
#include "isis_constants.h"
#include "isis_common.h"
#include "isis_flags.h"
#include "isisd.h"
#include "isis_misc.h"
#include "isis_adjacency.h"
#include "isis_circuit.h"
#include "isis_pdu.h"
#include "isis_lsp.h"
#include "isis_spf.h"
#include "isis_route.h"
#include "isis_zebra.h"
#include "isis_routemap.h"
static enum route_map_cmd_result_t
route_match_ip_address(void *rule, const struct prefix *prefix,
route_map_object_t type, void *object)
{
struct access_list *alist;
if (type != RMAP_ISIS)
return RMAP_NOMATCH;
alist = access_list_lookup(AFI_IP, (char *)rule);
if (access_list_apply(alist, prefix) != FILTER_DENY)
return RMAP_MATCH;
return RMAP_NOMATCH;
}
static void *route_match_ip_address_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}
static void route_match_ip_address_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
static struct route_map_rule_cmd route_match_ip_address_cmd = {
"ip address", route_match_ip_address, route_match_ip_address_compile,
route_match_ip_address_free};
/* ------------------------------------------------------------*/
static enum route_map_cmd_result_t
route_match_ip_address_prefix_list(void *rule, const struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
if (type != RMAP_ISIS)
return RMAP_NOMATCH;
plist = prefix_list_lookup(AFI_IP, (char *)rule);
if (prefix_list_apply(plist, prefix) != PREFIX_DENY)
return RMAP_MATCH;
return RMAP_NOMATCH;
}
static void *route_match_ip_address_prefix_list_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}
static void route_match_ip_address_prefix_list_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = {
"ip address prefix-list", route_match_ip_address_prefix_list,
route_match_ip_address_prefix_list_compile,
route_match_ip_address_prefix_list_free};
/* ------------------------------------------------------------*/
static enum route_map_cmd_result_t
route_match_ipv6_address(void *rule, const struct prefix *prefix,
route_map_object_t type, void *object)
{
struct access_list *alist;
if (type != RMAP_ISIS)
return RMAP_NOMATCH;
alist = access_list_lookup(AFI_IP6, (char *)rule);
if (access_list_apply(alist, prefix) != FILTER_DENY)
return RMAP_MATCH;
return RMAP_NOMATCH;
}
static void *route_match_ipv6_address_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}
static void route_match_ipv6_address_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
static struct route_map_rule_cmd route_match_ipv6_address_cmd = {
"ipv6 address", route_match_ipv6_address,
route_match_ipv6_address_compile, route_match_ipv6_address_free};
/* ------------------------------------------------------------*/
static enum route_map_cmd_result_t
route_match_ipv6_address_prefix_list(void *rule, const struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
if (type != RMAP_ISIS)
return RMAP_NOMATCH;
plist = prefix_list_lookup(AFI_IP6, (char *)rule);
if (prefix_list_apply(plist, prefix) != PREFIX_DENY)
return RMAP_MATCH;
return RMAP_NOMATCH;
}
static void *route_match_ipv6_address_prefix_list_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}
static void route_match_ipv6_address_prefix_list_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
struct route_map_rule_cmd route_match_ipv6_address_prefix_list_cmd = {
"ipv6 address prefix-list", route_match_ipv6_address_prefix_list,
route_match_ipv6_address_prefix_list_compile,
route_match_ipv6_address_prefix_list_free};
/* ------------------------------------------------------------*/
static enum route_map_cmd_result_t
route_set_metric(void *rule, const struct prefix *prefix,
route_map_object_t type, void *object)
{
uint32_t *metric;
struct isis_ext_info *info;
if (type == RMAP_ISIS) {
metric = rule;
info = object;
info->metric = *metric;
}
return RMAP_OKAY;
}
static void *route_set_metric_compile(const char *arg)
{
unsigned long metric;
char *endp;
uint32_t *ret;
metric = strtoul(arg, &endp, 10);
if (arg[0] == '\0' || *endp != '\0' || metric > MAX_WIDE_PATH_METRIC)
return NULL;
ret = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(*ret));
*ret = metric;
return ret;
}
static void route_set_metric_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
static struct route_map_rule_cmd route_set_metric_cmd = {
"metric", route_set_metric, route_set_metric_compile,
route_set_metric_free};
void isis_route_map_init(void)
{
route_map_init();
route_map_match_ip_address_hook(generic_match_add);
route_map_no_match_ip_address_hook(generic_match_delete);
route_map_match_ip_address_prefix_list_hook(generic_match_add);
route_map_no_match_ip_address_prefix_list_hook(generic_match_delete);
route_map_match_ipv6_address_hook(generic_match_add);
route_map_no_match_ipv6_address_hook(generic_match_delete);
route_map_match_ipv6_address_prefix_list_hook(generic_match_add);
route_map_no_match_ipv6_address_prefix_list_hook(generic_match_delete);
route_map_set_metric_hook(generic_set_add);
route_map_no_set_metric_hook(generic_set_delete);
route_map_install_match(&route_match_ip_address_cmd);
route_map_install_match(&route_match_ip_address_prefix_list_cmd);
route_map_install_match(&route_match_ipv6_address_cmd);
route_map_install_match(&route_match_ipv6_address_prefix_list_cmd);
route_map_install_set(&route_set_metric_cmd);
}
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