all: removed all DEFUN command stomps

[mirror_frr.git] / isisd / isis_routemap.c

/*
 * 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; if not, write to the Free Software Foundation, Inc., 
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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 "dict.h"
#include "isisd.h"
#include "isis_misc.h"
#include "isis_adjacency.h"
#include "isis_circuit.h"
#include "isis_tlv.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 route_map_result_t
route_match_ip_address(void *rule, 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 route_map_result_t
route_match_ip_address_prefix_list(void *rule, 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 route_map_result_t
route_match_ipv6_address(void *rule, 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 route_map_result_t
route_match_ipv6_address_prefix_list(void *rule, 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 route_map_result_t
route_set_metric(void *rule, 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_init_vty();

  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);
}