Merge pull request #73 from opensourcerouting/ldpd-json

[mirror_frr.git] / bgpd / bgp_routemap.c

/* Route map function of bgpd.
   Copyright (C) 1998, 1999 Kunihiro Ishiguro

This file is part of GNU Zebra.

GNU Zebra 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, or (at your option) any
later version.

GNU Zebra 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 GNU Zebra; see the file COPYING.  If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */

#include <zebra.h>

#include "prefix.h"
#include "filter.h"
#include "vty.h"
#include "routemap.h"
#include "command.h"
#include "linklist.h"
#include "plist.h"
#include "memory.h"
#include "log.h"
#ifdef HAVE_LIBPCREPOSIX
# include <pcreposix.h>
#else
# include <regex.h>
#endif /* HAVE_LIBPCREPOSIX */
#include "buffer.h"
#include "sockunion.h"
#include "hash.h"
#include "queue.h"

#include "bgpd/bgpd.h"
#include "bgpd/bgp_table.h"
#include "bgpd/bgp_attr.h"
#include "bgpd/bgp_aspath.h"
#include "bgpd/bgp_packet.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_zebra.h"
#include "bgpd/bgp_regex.h"
#include "bgpd/bgp_community.h"
#include "bgpd/bgp_clist.h"
#include "bgpd/bgp_filter.h"
#include "bgpd/bgp_mplsvpn.h"
#include "bgpd/bgp_ecommunity.h"
#include "bgpd/bgp_vty.h"
#include "bgpd/bgp_debug.h"

#if ENABLE_BGP_VNC
# include "bgpd/rfapi/bgp_rfapi_cfg.h"
#endif

/* Memo of route-map commands.

o Cisco route-map

 match as-path          :  Done
       community        :  Done
       interface        :  Done
       ip address       :  Done
       ip next-hop      :  Done
       ip route-source  :  Done
       ip prefix-list   :  Done
       ipv6 address     :  Done
       ipv6 next-hop    :  Done
       ipv6 route-source:  (This will not be implemented by bgpd)
       ipv6 prefix-list :  Done
       length           :  (This will not be implemented by bgpd)
       metric           :  Done
       route-type       :  (This will not be implemented by bgpd)
       tag              :  Done
       local-preference :  Done

 set  as-path prepend   :  Done
      as-path tag       :  Not yet
      automatic-tag     :  (This will not be implemented by bgpd)
      community         :  Done
      comm-list         :  Not yet
      dampning          :  Not yet
      default           :  (This will not be implemented by bgpd)
      interface         :  (This will not be implemented by bgpd)
      ip default        :  (This will not be implemented by bgpd)
      ip next-hop       :  Done
      ip precedence     :  (This will not be implemented by bgpd)
      ip tos            :  (This will not be implemented by bgpd)
      level             :  (This will not be implemented by bgpd)
      local-preference  :  Done
      metric            :  Done
      metric-type       :  Not yet
      origin            :  Done
      tag               :  Done
      weight            :  Done

o Local extensions

  set ipv6 next-hop global: Done
  set ipv6 next-hop prefer-global: Done
  set ipv6 next-hop local : Done
  set as-path exclude     : Done

*/

 /* generic value manipulation to be shared in multiple rules */

#define RMAP_VALUE_SET 0
#define RMAP_VALUE_ADD 1
#define RMAP_VALUE_SUB 2

struct rmap_value
{
  u_int8_t action;
  u_int8_t variable;
  u_int32_t value;
};

static int
route_value_match (struct rmap_value *rv, u_int32_t value)
{
  if (rv->variable == 0 && value == rv->value)
    return RMAP_MATCH;

  return RMAP_NOMATCH;
}

static u_int32_t
route_value_adjust (struct rmap_value *rv, u_int32_t current, struct peer *peer)
{
  u_int32_t value;

  switch (rv->variable)
    {
    case 1:
      value = peer->rtt;
      break;
    default:
      value = rv->value;
      break;
    }

  switch (rv->action)
    {
    case RMAP_VALUE_ADD:
      if (current > UINT32_MAX-value)
        return UINT32_MAX;
      return current + value;
    case RMAP_VALUE_SUB:
      if (current <= value)
        return 0;
      return current - value;
    default:
      return value;
    }
}

static void *
route_value_compile (const char *arg)
{
  u_int8_t action = RMAP_VALUE_SET, var = 0;
  unsigned long larg = 0;
  char *endptr = NULL;
  struct rmap_value *rv;

  if (arg[0] == '+')
    {
      action = RMAP_VALUE_ADD;
      arg++;
    }
  else if (arg[0] == '-')
    {
      action = RMAP_VALUE_SUB;
      arg++;
    }

  if (all_digit(arg))
    {
      errno = 0;
      larg = strtoul (arg, &endptr, 10);
      if (*arg == 0 || *endptr != 0 || errno || larg > UINT32_MAX)
        return NULL;
    }
  else
    {
      if (strcmp(arg, "rtt") == 0)
        var = 1;
      else
        return NULL;
    }

  rv = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof(struct rmap_value));
  if (!rv)
    return NULL;

  rv->action = action;
  rv->variable = var;
  rv->value = larg;
  return rv;
}

static void
route_value_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

 /* generic as path object to be shared in multiple rules */

static void *
route_aspath_compile (const char *arg)
{
  struct aspath *aspath;

  aspath = aspath_str2aspath (arg);
  if (! aspath)
    return NULL;
  return aspath;
}

static void
route_aspath_free (void *rule)
{
  struct aspath *aspath = rule;
  aspath_free (aspath);
}

 /* 'match peer (A.B.C.D|X:X::X:X)' */

/* Compares the peer specified in the 'match peer' clause with the peer
    received in bgp_info->peer. If it is the same, or if the peer structure
    received is a peer_group containing it, returns RMAP_MATCH. */
static route_map_result_t
route_match_peer (void *rule, struct prefix *prefix, route_map_object_t type,
      void *object)
{
  union sockunion *su;
  union sockunion su_def = { .sin = { .sin_family = AF_INET,
                                      .sin_addr.s_addr = INADDR_ANY } };
  struct peer_group *group;
  struct peer *peer;
  struct listnode *node, *nnode;

  if (type == RMAP_BGP)
    {
      su = rule;
      peer = ((struct bgp_info *) object)->peer;

      if ( ! CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_IMPORT) &&
           ! CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_EXPORT) )
        return RMAP_NOMATCH;

      /* If su='0.0.0.0' (command 'match peer local'), and it's a NETWORK,
          REDISTRIBUTE or DEFAULT_GENERATED route => return RMAP_MATCH */
      if (sockunion_same (su, &su_def))
        {
          int ret;
          if ( CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_NETWORK) ||
               CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_REDISTRIBUTE) ||
               CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_DEFAULT))
            ret = RMAP_MATCH;
          else
            ret = RMAP_NOMATCH;
          return ret;
        }

      if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP))
        {
          if (sockunion_same (su, &peer->su))
            return RMAP_MATCH;

          return RMAP_NOMATCH;
        }
      else
        {
          group = peer->group;
          for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer))
            {
              if (sockunion_same (su, &peer->su))
                return RMAP_MATCH;
            }
          return RMAP_NOMATCH;
        }
    }
  return RMAP_NOMATCH;
}

static void *
route_match_peer_compile (const char *arg)
{
  union sockunion *su;
  int ret;

  su = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (union sockunion));

  ret = str2sockunion (strcmp(arg, "local") ? arg : "0.0.0.0", su);
  if (ret < 0) {
    XFREE (MTYPE_ROUTE_MAP_COMPILED, su);
    return NULL;
  }

  return su;
}

/* Free route map's compiled `ip address' value. */
static void
route_match_peer_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip address matching. */
struct route_map_rule_cmd route_match_peer_cmd =
{
  "peer",
  route_match_peer,
  route_match_peer_compile,
  route_match_peer_free
};

/* `match ip address IP_ACCESS_LIST' */

/* Match function should return 1 if match is success else return
   zero. */
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;
  /* struct prefix_ipv4 match; */

  if (type == RMAP_BGP)
    {
      alist = access_list_lookup (AFI_IP, (char *) rule);
      if (alist == NULL)
	return RMAP_NOMATCH;

      return (access_list_apply (alist, prefix) == FILTER_DENY ?
	      RMAP_NOMATCH : RMAP_MATCH);
    }
  return RMAP_NOMATCH;
}

/* Route map `ip address' match statement.  `arg' should be
   access-list name. */
static void *
route_match_ip_address_compile (const char *arg)
{
  return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
}

/* Free route map's compiled `ip address' value. */
static void
route_match_ip_address_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip address matching. */
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
};

/* `match ip next-hop IP_ADDRESS' */

/* Match function return 1 if match is success else return zero. */
static route_map_result_t
route_match_ip_next_hop (void *rule, struct prefix *prefix,
			 route_map_object_t type, void *object)
{
  struct access_list *alist;
  struct bgp_info *bgp_info;
  struct prefix_ipv4 p;

  if (type == RMAP_BGP)
    {
      bgp_info = object;
      p.family = AF_INET;
      p.prefix = bgp_info->attr->nexthop;
      p.prefixlen = IPV4_MAX_BITLEN;

      alist = access_list_lookup (AFI_IP, (char *) rule);
      if (alist == NULL)
	return RMAP_NOMATCH;

      return (access_list_apply (alist, &p) == FILTER_DENY ?
              RMAP_NOMATCH : RMAP_MATCH);
    }
  return RMAP_NOMATCH;
}

/* Route map `ip next-hop' match statement. `arg' is
   access-list name. */
static void *
route_match_ip_next_hop_compile (const char *arg)
{
  return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
}

/* Free route map's compiled `ip address' value. */
static void
route_match_ip_next_hop_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip next-hop matching. */
struct route_map_rule_cmd route_match_ip_next_hop_cmd =
{
  "ip next-hop",
  route_match_ip_next_hop,
  route_match_ip_next_hop_compile,
  route_match_ip_next_hop_free
};

/* `match ip route-source ACCESS-LIST' */

/* Match function return 1 if match is success else return zero. */
static route_map_result_t
route_match_ip_route_source (void *rule, struct prefix *prefix,
			     route_map_object_t type, void *object)
{
  struct access_list *alist;
  struct bgp_info *bgp_info;
  struct peer *peer;
  struct prefix_ipv4 p;

  if (type == RMAP_BGP)
    {
      bgp_info = object;
      peer = bgp_info->peer;

      if (! peer || sockunion_family (&peer->su) != AF_INET)
	return RMAP_NOMATCH;

      p.family = AF_INET;
      p.prefix = peer->su.sin.sin_addr;
      p.prefixlen = IPV4_MAX_BITLEN;

      alist = access_list_lookup (AFI_IP, (char *) rule);
      if (alist == NULL)
	return RMAP_NOMATCH;

      return (access_list_apply (alist, &p) == FILTER_DENY ?
              RMAP_NOMATCH : RMAP_MATCH);
    }
  return RMAP_NOMATCH;
}

/* Route map `ip route-source' match statement. `arg' is
   access-list name. */
static void *
route_match_ip_route_source_compile (const char *arg)
{
  return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
}

/* Free route map's compiled `ip address' value. */
static void
route_match_ip_route_source_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip route-source matching. */
struct route_map_rule_cmd route_match_ip_route_source_cmd =
{
  "ip route-source",
  route_match_ip_route_source,
  route_match_ip_route_source_compile,
  route_match_ip_route_source_free
};

/* `match ip address prefix-list PREFIX_LIST' */

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_BGP)
    {
      plist = prefix_list_lookup (AFI_IP, (char *) rule);
      if (plist == NULL)
	return RMAP_NOMATCH;

      return (prefix_list_apply (plist, prefix) == PREFIX_DENY ?
	      RMAP_NOMATCH : 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
};

/* `match ip next-hop prefix-list PREFIX_LIST' */

static route_map_result_t
route_match_ip_next_hop_prefix_list (void *rule, struct prefix *prefix,
                                    route_map_object_t type, void *object)
{
  struct prefix_list *plist;
  struct bgp_info *bgp_info;
  struct prefix_ipv4 p;

  if (type == RMAP_BGP)
    {
      bgp_info = object;
      p.family = AF_INET;
      p.prefix = bgp_info->attr->nexthop;
      p.prefixlen = IPV4_MAX_BITLEN;

      plist = prefix_list_lookup (AFI_IP, (char *) rule);
      if (plist == NULL)
        return RMAP_NOMATCH;

      return (prefix_list_apply (plist, &p) == PREFIX_DENY ?
              RMAP_NOMATCH : RMAP_MATCH);
    }
  return RMAP_NOMATCH;
}

static void *
route_match_ip_next_hop_prefix_list_compile (const char *arg)
{
  return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
}

static void
route_match_ip_next_hop_prefix_list_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd =
{
  "ip next-hop prefix-list",
  route_match_ip_next_hop_prefix_list,
  route_match_ip_next_hop_prefix_list_compile,
  route_match_ip_next_hop_prefix_list_free
};

/* `match ip route-source prefix-list PREFIX_LIST' */

static route_map_result_t
route_match_ip_route_source_prefix_list (void *rule, struct prefix *prefix,
					 route_map_object_t type, void *object)
{
  struct prefix_list *plist;
  struct bgp_info *bgp_info;
  struct peer *peer;
  struct prefix_ipv4 p;

  if (type == RMAP_BGP)
    {
      bgp_info = object;
      peer = bgp_info->peer;

      if (! peer || sockunion_family (&peer->su) != AF_INET)
	return RMAP_NOMATCH;

      p.family = AF_INET;
      p.prefix = peer->su.sin.sin_addr;
      p.prefixlen = IPV4_MAX_BITLEN;

      plist = prefix_list_lookup (AFI_IP, (char *) rule);
      if (plist == NULL)
        return RMAP_NOMATCH;

      return (prefix_list_apply (plist, &p) == PREFIX_DENY ?
              RMAP_NOMATCH : RMAP_MATCH);
    }
  return RMAP_NOMATCH;
}

static void *
route_match_ip_route_source_prefix_list_compile (const char *arg)
{
  return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
}

static void
route_match_ip_route_source_prefix_list_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

struct route_map_rule_cmd route_match_ip_route_source_prefix_list_cmd =
{
  "ip route-source prefix-list",
  route_match_ip_route_source_prefix_list,
  route_match_ip_route_source_prefix_list_compile,
  route_match_ip_route_source_prefix_list_free
};

/* `match local-preference LOCAL-PREF' */

/* Match function return 1 if match is success else return zero. */
static route_map_result_t
route_match_local_pref (void *rule, struct prefix *prefix,
			route_map_object_t type, void *object)
{
  u_int32_t *local_pref;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      local_pref = rule;
      bgp_info = object;

      if (bgp_info->attr->local_pref == *local_pref)
	return RMAP_MATCH;
      else
	return RMAP_NOMATCH;
    }
  return RMAP_NOMATCH;
}

/* Route map `match local-preference' match statement.
   `arg' is local-pref value */
static void *
route_match_local_pref_compile (const char *arg)
{
  u_int32_t *local_pref;
  char *endptr = NULL;
  unsigned long tmpval;

  /* Locpref value shoud be integer. */
  if (! all_digit (arg))
    return NULL;

  errno = 0;
  tmpval = strtoul (arg, &endptr, 10);
  if (*endptr != '\0' || errno || tmpval > UINT32_MAX)
    return NULL;

  local_pref = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (u_int32_t));

  if (!local_pref)
    return local_pref;

  *local_pref = tmpval;
  return local_pref;
}

/* Free route map's compiled `match local-preference' value. */
static void
route_match_local_pref_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for metric matching. */
struct route_map_rule_cmd route_match_local_pref_cmd =
{
  "local-preference",
  route_match_local_pref,
  route_match_local_pref_compile,
  route_match_local_pref_free
};

/* `match metric METRIC' */

/* Match function return 1 if match is success else return zero. */
static route_map_result_t
route_match_metric (void *rule, struct prefix *prefix,
		    route_map_object_t type, void *object)
{
  struct rmap_value *rv;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      rv = rule;
      bgp_info = object;
      return route_value_match(rv, bgp_info->attr->med);
    }
  return RMAP_NOMATCH;
}

/* Route map commands for metric matching. */
struct route_map_rule_cmd route_match_metric_cmd =
{
  "metric",
  route_match_metric,
  route_value_compile,
  route_value_free,
};

/* `match as-path ASPATH' */

/* Match function for as-path match.  I assume given object is */
static route_map_result_t
route_match_aspath (void *rule, struct prefix *prefix,
		    route_map_object_t type, void *object)
{

  struct as_list *as_list;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      as_list = as_list_lookup ((char *) rule);
      if (as_list == NULL)
	return RMAP_NOMATCH;

      bgp_info = object;

      /* Perform match. */
      return ((as_list_apply (as_list, bgp_info->attr->aspath) == AS_FILTER_DENY) ? RMAP_NOMATCH : RMAP_MATCH);
    }
  return RMAP_NOMATCH;
}

/* Compile function for as-path match. */
static void *
route_match_aspath_compile (const char *arg)
{
  return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
}

/* Compile function for as-path match. */
static void
route_match_aspath_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for aspath matching. */
struct route_map_rule_cmd route_match_aspath_cmd =
{
  "as-path",
  route_match_aspath,
  route_match_aspath_compile,
  route_match_aspath_free
};

/* `match community COMMUNIY' */
struct rmap_community
{
  char *name;
  int exact;
};

/* Match function for community match. */
static route_map_result_t
route_match_community (void *rule, struct prefix *prefix,
		       route_map_object_t type, void *object)
{
  struct community_list *list;
  struct bgp_info *bgp_info;
  struct rmap_community *rcom;

  if (type == RMAP_BGP)
    {
      bgp_info = object;
      rcom = rule;

      list = community_list_lookup (bgp_clist, rcom->name, COMMUNITY_LIST_MASTER);
      if (! list)
	return RMAP_NOMATCH;

      if (rcom->exact)
	{
	  if (community_list_exact_match (bgp_info->attr->community, list))
	    return RMAP_MATCH;
	}
      else
	{
	  if (community_list_match (bgp_info->attr->community, list))
	    return RMAP_MATCH;
	}
    }
  return RMAP_NOMATCH;
}

/* Compile function for community match. */
static void *
route_match_community_compile (const char *arg)
{
  struct rmap_community *rcom;
  int len;
  char *p;

  rcom = XCALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct rmap_community));

  p = strchr (arg, ' ');
  if (p)
    {
      len = p - arg;
      rcom->name = XCALLOC (MTYPE_ROUTE_MAP_COMPILED, len + 1);
      memcpy (rcom->name, arg, len);
      rcom->exact = 1;
    }
  else
    {
      rcom->name = XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
      rcom->exact = 0;
    }
  return rcom;
}

/* Compile function for community match. */
static void
route_match_community_free (void *rule)
{
  struct rmap_community *rcom = rule;

  XFREE (MTYPE_ROUTE_MAP_COMPILED, rcom->name);
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rcom);
}

/* Route map commands for community matching. */
struct route_map_rule_cmd route_match_community_cmd =
{
  "community",
  route_match_community,
  route_match_community_compile,
  route_match_community_free
};

/* Match function for extcommunity match. */
static route_map_result_t
route_match_ecommunity (void *rule, struct prefix *prefix,
			route_map_object_t type, void *object)
{
  struct community_list *list;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      bgp_info = object;

      if (!bgp_info->attr->extra)
        return RMAP_NOMATCH;

      list = community_list_lookup (bgp_clist, (char *) rule,
				    EXTCOMMUNITY_LIST_MASTER);
      if (! list)
	return RMAP_NOMATCH;

      if (ecommunity_list_match (bgp_info->attr->extra->ecommunity, list))
	return RMAP_MATCH;
    }
  return RMAP_NOMATCH;
}

/* Compile function for extcommunity match. */
static void *
route_match_ecommunity_compile (const char *arg)
{
  return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
}

/* Compile function for extcommunity match. */
static void
route_match_ecommunity_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for community matching. */
struct route_map_rule_cmd route_match_ecommunity_cmd =
{
  "extcommunity",
  route_match_ecommunity,
  route_match_ecommunity_compile,
  route_match_ecommunity_free
};

/* `match nlri` and `set nlri` are replaced by `address-family ipv4`
   and `address-family vpnv4'.  */

/* `match origin' */
static route_map_result_t
route_match_origin (void *rule, struct prefix *prefix,
		    route_map_object_t type, void *object)
{
  u_char *origin;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      origin = rule;
      bgp_info = object;

      if (bgp_info->attr->origin == *origin)
	return RMAP_MATCH;
    }

  return RMAP_NOMATCH;
}

static void *
route_match_origin_compile (const char *arg)
{
  u_char *origin;

  origin = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (u_char));

  if (strcmp (arg, "igp") == 0)
    *origin = 0;
  else if (strcmp (arg, "egp") == 0)
    *origin = 1;
  else
    *origin = 2;

  return origin;
}

/* Free route map's compiled `ip address' value. */
static void
route_match_origin_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for origin matching. */
struct route_map_rule_cmd route_match_origin_cmd =
{
  "origin",
  route_match_origin,
  route_match_origin_compile,
  route_match_origin_free
};

/* match probability  { */

static route_map_result_t
route_match_probability (void *rule, struct prefix *prefix,
		    route_map_object_t type, void *object)
{
  long r = random();

  switch (*(long *) rule)
  {
    case 0: break;
    case RAND_MAX: return RMAP_MATCH;
    default:
      if (r < *(long *) rule)
        {
          return RMAP_MATCH;
        }
  }

  return RMAP_NOMATCH;
}

static void *
route_match_probability_compile (const char *arg)
{
  long *lobule;
  unsigned  perc;

  perc    = atoi (arg);
  lobule  = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (long));

  switch (perc)
    {
      case 0:   *lobule = 0; break;
      case 100: *lobule = RAND_MAX; break;
      default:  *lobule = RAND_MAX / 100 * perc;
    }

  return lobule;
}

static void
route_match_probability_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

struct route_map_rule_cmd route_match_probability_cmd =
{
  "probability",
  route_match_probability,
  route_match_probability_compile,
  route_match_probability_free
};

/* `match interface IFNAME' */
/* Match function should return 1 if match is success else return
   zero. */
static route_map_result_t
route_match_interface (void *rule, struct prefix *prefix,
		       route_map_object_t type, void *object)
{
  struct interface *ifp;
  struct bgp_info *info;

  if (type == RMAP_BGP)
    {
      info = object;

      if (!info || !info->attr)
	return RMAP_NOMATCH;

      ifp = if_lookup_by_name_all_vrf ((char *)rule);

      if (ifp == NULL || ifp->ifindex != info->attr->nh_ifindex)
	return RMAP_NOMATCH;

      return RMAP_MATCH;
    }
  return RMAP_NOMATCH;
}

/* Route map `interface' match statement.  `arg' should be
   interface name. */
static void *
route_match_interface_compile (const char *arg)
{
  return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg);
}

/* Free route map's compiled `interface' value. */
static void
route_match_interface_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip address matching. */
struct route_map_rule_cmd route_match_interface_cmd =
{
  "interface",
  route_match_interface,
  route_match_interface_compile,
  route_match_interface_free
};

/* } */

/* `set ip next-hop IP_ADDRESS' */

/* Match function return 1 if match is success else return zero. */
static route_map_result_t
route_match_tag (void *rule, struct prefix *prefix,
                 route_map_object_t type, void *object)
{
  route_tag_t *tag;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      tag = rule;
      bgp_info = object;

      if (!bgp_info->attr->extra)
         return RMAP_NOMATCH;

      return ((bgp_info->attr->extra->tag == *tag)? RMAP_MATCH : RMAP_NOMATCH);
    }

  return RMAP_NOMATCH;
}


/* Route map commands for tag matching. */
static struct route_map_rule_cmd route_match_tag_cmd =
{
  "tag",
  route_match_tag,
  route_map_rule_tag_compile,
  route_map_rule_tag_free,
};


/* Set nexthop to object.  ojbect must be pointer to struct attr. */
struct rmap_ip_nexthop_set
{
  struct in_addr *address;
  int peer_address;
  int unchanged;
};

static route_map_result_t
route_set_ip_nexthop (void *rule, struct prefix *prefix,
		      route_map_object_t type, void *object)
{
  struct rmap_ip_nexthop_set *rins = rule;
  struct bgp_info *bgp_info;
  struct peer *peer;

  if (type == RMAP_BGP)
    {
      bgp_info = object;
      peer = bgp_info->peer;

      if (rins->unchanged)
      {
        SET_FLAG(bgp_info->attr->rmap_change_flags,
                 BATTR_RMAP_NEXTHOP_UNCHANGED);
      }
      else if (rins->peer_address)
	{
         if ((CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_IN) ||
           CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_IMPORT))
	      && peer->su_remote
	      && sockunion_family (peer->su_remote) == AF_INET)
	    {
	      bgp_info->attr->nexthop.s_addr = sockunion2ip (peer->su_remote);
	      bgp_info->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_NEXT_HOP);
	    }
	 else if (CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_OUT))
	    {
	      /* The next hop value will be set as part of packet rewrite.
	       * Set the flags here to indicate that rewrite needs to be done.
               * Also, clear the value.
	       */
	      SET_FLAG(bgp_info->attr->rmap_change_flags,
		       BATTR_RMAP_NEXTHOP_PEER_ADDRESS);
              bgp_info->attr->nexthop.s_addr = 0;
	    }
	}
      else
	{
	  /* Set next hop value. */
	  bgp_info->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_NEXT_HOP);
	  bgp_info->attr->nexthop = *rins->address;
	  SET_FLAG(bgp_info->attr->rmap_change_flags,
		   BATTR_RMAP_IPV4_NHOP_CHANGED);
	}
    }

  return RMAP_OKAY;
}

/* Route map `ip nexthop' compile function.  Given string is converted
   to struct in_addr structure. */
static void *
route_set_ip_nexthop_compile (const char *arg)
{
  struct rmap_ip_nexthop_set *rins;
  struct in_addr *address = NULL;
  int peer_address = 0;
  int unchanged = 0;
  int ret;

  if (strcmp (arg, "peer-address") == 0)
    peer_address = 1;
  else if (strcmp (arg, "unchanged") == 0)
    unchanged = 1;
  else
    {
      address = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct in_addr));
      ret = inet_aton (arg, address);

      if (ret == 0)
	{
	  XFREE (MTYPE_ROUTE_MAP_COMPILED, address);
	  return NULL;
	}
    }

  rins = XCALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct rmap_ip_nexthop_set));

  rins->address = address;
  rins->peer_address = peer_address;
  rins->unchanged = unchanged;

  return rins;
}

/* Free route map's compiled `ip nexthop' value. */
static void
route_set_ip_nexthop_free (void *rule)
{
  struct rmap_ip_nexthop_set *rins = rule;

  if (rins->address)
    XFREE (MTYPE_ROUTE_MAP_COMPILED, rins->address);

  XFREE (MTYPE_ROUTE_MAP_COMPILED, rins);
}

/* Route map commands for ip nexthop set. */
struct route_map_rule_cmd route_set_ip_nexthop_cmd =
{
  "ip next-hop",
  route_set_ip_nexthop,
  route_set_ip_nexthop_compile,
  route_set_ip_nexthop_free
};

/* `set local-preference LOCAL_PREF' */

/* Set local preference. */
static route_map_result_t
route_set_local_pref (void *rule, struct prefix *prefix,
		      route_map_object_t type, void *object)
{
  struct rmap_value *rv;
  struct bgp_info *bgp_info;
  u_int32_t locpref = 0;

  if (type == RMAP_BGP)
    {
      /* Fetch routemap's rule information. */
      rv = rule;
      bgp_info = object;

      /* Set local preference value. */
      if (bgp_info->attr->flag & ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF))
	locpref = bgp_info->attr->local_pref;

      bgp_info->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF);
      bgp_info->attr->local_pref = route_value_adjust(rv, locpref, bgp_info->peer);
    }

  return RMAP_OKAY;
}

/* Set local preference rule structure. */
struct route_map_rule_cmd route_set_local_pref_cmd =
{
  "local-preference",
  route_set_local_pref,
  route_value_compile,
  route_value_free,
};

/* `set weight WEIGHT' */

/* Set weight. */
static route_map_result_t
route_set_weight (void *rule, struct prefix *prefix, route_map_object_t type,
		  void *object)
{
  struct rmap_value *rv;
  struct bgp_info *bgp_info;
  u_int32_t weight;

  if (type == RMAP_BGP)
    {
      /* Fetch routemap's rule information. */
      rv = rule;
      bgp_info = object;

      /* Set weight value. */
      weight = route_value_adjust(rv, 0, bgp_info->peer);
      if (weight)
        (bgp_attr_extra_get (bgp_info->attr))->weight = weight;
      else if (bgp_info->attr->extra)
        bgp_info->attr->extra->weight = 0;
    }

  return RMAP_OKAY;
}

/* Set local preference rule structure. */
struct route_map_rule_cmd route_set_weight_cmd =
{
  "weight",
  route_set_weight,
  route_value_compile,
  route_value_free,
};

/* `set metric METRIC' */

/* Set metric to attribute. */
static route_map_result_t
route_set_metric (void *rule, struct prefix *prefix,
		  route_map_object_t type, void *object)
{
  struct rmap_value *rv;
  struct bgp_info *bgp_info;
  u_int32_t med = 0;

  if (type == RMAP_BGP)
    {
      /* Fetch routemap's rule information. */
      rv = rule;
      bgp_info = object;

      if (bgp_info->attr->flag & ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC))
	med = bgp_info->attr->med;

      bgp_info->attr->med = route_value_adjust(rv, med, bgp_info->peer);
      bgp_info->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC);
    }
  return RMAP_OKAY;
}

/* Set metric rule structure. */
struct route_map_rule_cmd route_set_metric_cmd =
{
  "metric",
  route_set_metric,
  route_value_compile,
  route_value_free,
};

/* `set as-path prepend ASPATH' */

/* For AS path prepend mechanism. */
static route_map_result_t
route_set_aspath_prepend (void *rule, struct prefix *prefix, route_map_object_t type, void *object)
{
  struct aspath *aspath;
  struct aspath *new;
  struct bgp_info *binfo;

  if (type == RMAP_BGP)
    {
      binfo = object;

      if (binfo->attr->aspath->refcnt)
	new = aspath_dup (binfo->attr->aspath);
      else
	new = binfo->attr->aspath;

      if ((uintptr_t)rule > 10)
      {
	aspath = rule;
	aspath_prepend (aspath, new);
      }
      else
      {
	as_t as = aspath_leftmost(new);
	if (!as) as = binfo->peer->as;
	new = aspath_add_seq_n (new, as, (uintptr_t) rule);
      }

      binfo->attr->aspath = new;
    }

  return RMAP_OKAY;
}

static void *
route_set_aspath_prepend_compile (const char *arg)
{
  unsigned int num;

  if (sscanf(arg, "last-as %u", &num) == 1 && num > 0 && num < 10)
    return (void*)(uintptr_t)num;

  return route_aspath_compile(arg);
}

static void
route_set_aspath_prepend_free (void *rule)
{
  if ((uintptr_t)rule > 10)
    route_aspath_free(rule);
}


/* Set as-path prepend rule structure. */
struct route_map_rule_cmd route_set_aspath_prepend_cmd =
{
  "as-path prepend",
  route_set_aspath_prepend,
  route_set_aspath_prepend_compile,
  route_set_aspath_prepend_free,
};

/* `set as-path exclude ASn' */

/* For ASN exclude mechanism.
 * Iterate over ASns requested and filter them from the given AS_PATH one by one.
 * Make a deep copy of existing AS_PATH, but for the first ASn only.
 */
static route_map_result_t
route_set_aspath_exclude (void *rule, struct prefix *dummy, route_map_object_t type, void *object)
{
  struct aspath * new_path, * exclude_path;
  struct bgp_info *binfo;

  if (type == RMAP_BGP)
  {
    exclude_path = rule;
    binfo = object;
    if (binfo->attr->aspath->refcnt)
      new_path = aspath_dup (binfo->attr->aspath);
    else
      new_path = binfo->attr->aspath;
    binfo->attr->aspath = aspath_filter_exclude (new_path, exclude_path);
  }
  return RMAP_OKAY;
}

/* Set ASn exlude rule structure. */
struct route_map_rule_cmd route_set_aspath_exclude_cmd =
{
  "as-path exclude",
  route_set_aspath_exclude,
  route_aspath_compile,
  route_aspath_free,
};

/* `set community COMMUNITY' */
struct rmap_com_set
{
  struct community *com;
  int additive;
  int none;
};

/* For community set mechanism. */
static route_map_result_t
route_set_community (void *rule, struct prefix *prefix,
		     route_map_object_t type, void *object)
{
  struct rmap_com_set *rcs;
  struct bgp_info *binfo;
  struct attr *attr;
  struct community *new = NULL;
  struct community *old;
  struct community *merge;

  if (type == RMAP_BGP)
    {
      rcs = rule;
      binfo = object;
      attr = binfo->attr;
      old = attr->community;

      /* "none" case.  */
      if (rcs->none)
	{
	  attr->flag &= ~(ATTR_FLAG_BIT (BGP_ATTR_COMMUNITIES));
	  attr->community = NULL;
	  /* See the longer comment down below. */
	  if (old && old->refcnt == 0)
	    community_free(old);
	  return RMAP_OKAY;
	}

      /* "additive" case.  */
      if (rcs->additive && old)
	{
	  merge = community_merge (community_dup (old), rcs->com);

	  /* HACK: if the old community is not intern'd,
           * we should free it here, or all reference to it may be lost.
           * Really need to cleanup attribute caching sometime.
           */
	  if (old->refcnt == 0)
	    community_free (old);
	  new = community_uniq_sort (merge);
	  community_free (merge);
	}
      else
	new = community_dup (rcs->com);

      /* will be interned by caller if required */
      attr->community = new;

      attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_COMMUNITIES);
    }

  return RMAP_OKAY;
}

/* Compile function for set community. */
static void *
route_set_community_compile (const char *arg)
{
  struct rmap_com_set *rcs;
  struct community *com = NULL;
  char *sp;
  int additive = 0;
  int none = 0;

  if (strcmp (arg, "none") == 0)
    none = 1;
  else
    {
      sp = strstr (arg, "additive");

      if (sp && sp > arg)
  	{
	  /* "additive" keyworkd is included.  */
	  additive = 1;
	  *(sp - 1) = '\0';
	}

      com = community_str2com (arg);

      if (additive)
	*(sp - 1) = ' ';

      if (! com)
	return NULL;
    }

  rcs = XCALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct rmap_com_set));
  rcs->com = com;
  rcs->additive = additive;
  rcs->none = none;

  return rcs;
}

/* Free function for set community. */
static void
route_set_community_free (void *rule)
{
  struct rmap_com_set *rcs = rule;

  if (rcs->com)
    community_free (rcs->com);
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rcs);
}

/* Set community rule structure. */
struct route_map_rule_cmd route_set_community_cmd =
{
  "community",
  route_set_community,
  route_set_community_compile,
  route_set_community_free,
};

/* `set comm-list (<1-99>|<100-500>|WORD) delete' */

/* For community set mechanism. */
static route_map_result_t
route_set_community_delete (void *rule, struct prefix *prefix,
			    route_map_object_t type, void *object)
{
  struct community_list *list;
  struct community *merge;
  struct community *new;
  struct community *old;
  struct bgp_info *binfo;

  if (type == RMAP_BGP)
    {
      if (! rule)
	return RMAP_OKAY;

      binfo = object;
      list = community_list_lookup (bgp_clist, rule, COMMUNITY_LIST_MASTER);
      old = binfo->attr->community;

      if (list && old)
	{
	  merge = community_list_match_delete (community_dup (old), list);
	  new = community_uniq_sort (merge);
	  community_free (merge);

	  /* HACK: if the old community is not intern'd,
	   * we should free it here, or all reference to it may be lost.
	   * Really need to cleanup attribute caching sometime.
	   */
	  if (old->refcnt == 0)
	    community_free (old);

	  if (new->size == 0)
	    {
	      binfo->attr->community = NULL;
	      binfo->attr->flag &= ~ATTR_FLAG_BIT (BGP_ATTR_COMMUNITIES);
	      community_free (new);
	    }
	  else
	    {
	      binfo->attr->community = new;
	      binfo->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_COMMUNITIES);
	    }
	}
    }

  return RMAP_OKAY;
}

/* Compile function for set community. */
static void *
route_set_community_delete_compile (const char *arg)
{
  char *p;
  char *str;
  int len;

  p = strchr (arg, ' ');
  if (p)
    {
      len = p - arg;
      str = XCALLOC (MTYPE_ROUTE_MAP_COMPILED, len + 1);
      memcpy (str, arg, len);
    }
  else
    str = NULL;

  return str;
}

/* Free function for set community. */
static void
route_set_community_delete_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Set community rule structure. */
struct route_map_rule_cmd route_set_community_delete_cmd =
{
  "comm-list",
  route_set_community_delete,
  route_set_community_delete_compile,
  route_set_community_delete_free,
};

/* `set extcommunity rt COMMUNITY' */

/* For community set mechanism.  Used by _rt and _soo. */
static route_map_result_t
route_set_ecommunity (void *rule, struct prefix *prefix,
		      route_map_object_t type, void *object)
{
  struct ecommunity *ecom;
  struct ecommunity *new_ecom;
  struct ecommunity *old_ecom;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      ecom = rule;
      bgp_info = object;

      if (! ecom)
	return RMAP_OKAY;

      /* We assume additive for Extended Community. */
      old_ecom = (bgp_attr_extra_get (bgp_info->attr))->ecommunity;

      if (old_ecom)
	{
	  new_ecom = ecommunity_merge (ecommunity_dup (old_ecom), ecom);

	  /* old_ecom->refcnt = 1 => owned elsewhere, e.g. bgp_update_receive()
	   *         ->refcnt = 0 => set by a previous route-map statement */
	  if (!old_ecom->refcnt)
	    ecommunity_free (&old_ecom);
	}
      else
	new_ecom = ecommunity_dup (ecom);

      /* will be intern()'d or attr_flush()'d by bgp_update_main() */
      bgp_info->attr->extra->ecommunity = new_ecom;

      bgp_info->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_EXT_COMMUNITIES);
    }
  return RMAP_OKAY;
}

/* Compile function for set community. */
static void *
route_set_ecommunity_rt_compile (const char *arg)
{
  struct ecommunity *ecom;

  ecom = ecommunity_str2com (arg, ECOMMUNITY_ROUTE_TARGET, 0);
  if (! ecom)
    return NULL;
  return ecommunity_intern (ecom);
}

/* Free function for set community.  Used by _rt and _soo */
static void
route_set_ecommunity_free (void *rule)
{
  struct ecommunity *ecom = rule;
  ecommunity_unintern (&ecom);
}

/* Set community rule structure. */
struct route_map_rule_cmd route_set_ecommunity_rt_cmd =
{
  "extcommunity rt",
  route_set_ecommunity,
  route_set_ecommunity_rt_compile,
  route_set_ecommunity_free,
};

/* `set extcommunity soo COMMUNITY' */

/* Compile function for set community. */
static void *
route_set_ecommunity_soo_compile (const char *arg)
{
  struct ecommunity *ecom;

  ecom = ecommunity_str2com (arg, ECOMMUNITY_SITE_ORIGIN, 0);
  if (! ecom)
    return NULL;

  return ecommunity_intern (ecom);
}

/* Set community rule structure. */
struct route_map_rule_cmd route_set_ecommunity_soo_cmd =
{
  "extcommunity soo",
  route_set_ecommunity,
  route_set_ecommunity_soo_compile,
  route_set_ecommunity_free,
};

/* `set origin ORIGIN' */

/* For origin set. */
static route_map_result_t
route_set_origin (void *rule, struct prefix *prefix, route_map_object_t type, void *object)
{
  u_char *origin;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      origin = rule;
      bgp_info = object;

      bgp_info->attr->origin = *origin;
    }

  return RMAP_OKAY;
}

/* Compile function for origin set. */
static void *
route_set_origin_compile (const char *arg)
{
  u_char *origin;

  origin = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (u_char));

  if (strcmp (arg, "igp") == 0)
    *origin = 0;
  else if (strcmp (arg, "egp") == 0)
    *origin = 1;
  else
    *origin = 2;

  return origin;
}

/* Compile function for origin set. */
static void
route_set_origin_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Set origin rule structure. */
struct route_map_rule_cmd route_set_origin_cmd =
{
  "origin",
  route_set_origin,
  route_set_origin_compile,
  route_set_origin_free,
};

/* `set atomic-aggregate' */

/* For atomic aggregate set. */
static route_map_result_t
route_set_atomic_aggregate (void *rule, struct prefix *prefix,
			    route_map_object_t type, void *object)
{
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      bgp_info = object;
      bgp_info->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE);
    }

  return RMAP_OKAY;
}

/* Compile function for atomic aggregate. */
static void *
route_set_atomic_aggregate_compile (const char *arg)
{
  return (void *)1;
}

/* Compile function for atomic aggregate. */
static void
route_set_atomic_aggregate_free (void *rule)
{
  return;
}

/* Set atomic aggregate rule structure. */
struct route_map_rule_cmd route_set_atomic_aggregate_cmd =
{
  "atomic-aggregate",
  route_set_atomic_aggregate,
  route_set_atomic_aggregate_compile,
  route_set_atomic_aggregate_free,
};

/* `set aggregator as AS A.B.C.D' */
struct aggregator
{
  as_t as;
  struct in_addr address;
};

static route_map_result_t
route_set_aggregator_as (void *rule, struct prefix *prefix,
			 route_map_object_t type, void *object)
{
  struct bgp_info *bgp_info;
  struct aggregator *aggregator;
  struct attr_extra *ae;

  if (type == RMAP_BGP)
    {
      bgp_info = object;
      aggregator = rule;
      ae = bgp_attr_extra_get (bgp_info->attr);

      ae->aggregator_as = aggregator->as;
      ae->aggregator_addr = aggregator->address;
      bgp_info->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_AGGREGATOR);
    }

  return RMAP_OKAY;
}

static void *
route_set_aggregator_as_compile (const char *arg)
{
  struct aggregator *aggregator;
  char as[10];
  char address[20];

  aggregator = XCALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct aggregator));
  sscanf (arg, "%s %s", as, address);

  aggregator->as = strtoul (as, NULL, 10);
  inet_aton (address, &aggregator->address);

  return aggregator;
}

static void
route_set_aggregator_as_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

struct route_map_rule_cmd route_set_aggregator_as_cmd =
{
  "aggregator as",
  route_set_aggregator_as,
  route_set_aggregator_as_compile,
  route_set_aggregator_as_free,
};

/* Set tag to object. object must be pointer to struct bgp_info */
static route_map_result_t
route_set_tag (void *rule, struct prefix *prefix,
               route_map_object_t type, void *object)
{
  route_tag_t *tag;
  struct bgp_info *bgp_info;
  struct attr_extra *ae;

  if (type == RMAP_BGP)
    {
      tag = rule;
      bgp_info = object;
      ae = bgp_attr_extra_get (bgp_info->attr);

      /* Set tag value */
      ae->tag=*tag;

    }

  return RMAP_OKAY;
}

/* Route map commands for tag set. */
static struct route_map_rule_cmd route_set_tag_cmd =
{
  "tag",
  route_set_tag,
  route_map_rule_tag_compile,
  route_map_rule_tag_free,
};


/* `match ipv6 address IP_ACCESS_LIST' */

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_BGP)
    {
      alist = access_list_lookup (AFI_IP6, (char *) rule);
      if (alist == NULL)
	return RMAP_NOMATCH;

      return (access_list_apply (alist, prefix) == FILTER_DENY ?
	      RMAP_NOMATCH : 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);
}

/* Route map commands for ip address matching. */
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
};

/* `match ipv6 next-hop IP_ADDRESS' */

static route_map_result_t
route_match_ipv6_next_hop (void *rule, struct prefix *prefix,
			   route_map_object_t type, void *object)
{
  struct in6_addr *addr = rule;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      bgp_info = object;

      if (!bgp_info->attr->extra)
        return RMAP_NOMATCH;

      if (IPV6_ADDR_SAME (&bgp_info->attr->extra->mp_nexthop_global, addr))
	return RMAP_MATCH;

      if (bgp_info->attr->extra->mp_nexthop_len == BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL &&
	  IPV6_ADDR_SAME (&bgp_info->attr->extra->mp_nexthop_local, rule))
	return RMAP_MATCH;

      return RMAP_NOMATCH;
    }

  return RMAP_NOMATCH;
}

static void *
route_match_ipv6_next_hop_compile (const char *arg)
{
  struct in6_addr *address;
  int ret;

  address = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct in6_addr));

  ret = inet_pton (AF_INET6, arg, address);
  if (!ret)
    {
      XFREE (MTYPE_ROUTE_MAP_COMPILED, address);
      return NULL;
    }

  return address;
}

static void
route_match_ipv6_next_hop_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

struct route_map_rule_cmd route_match_ipv6_next_hop_cmd =
{
  "ipv6 next-hop",
  route_match_ipv6_next_hop,
  route_match_ipv6_next_hop_compile,
  route_match_ipv6_next_hop_free
};

/* `match ipv6 address prefix-list PREFIX_LIST' */

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_BGP)
    {
      plist = prefix_list_lookup (AFI_IP6, (char *) rule);
      if (plist == NULL)
	return RMAP_NOMATCH;

      return (prefix_list_apply (plist, prefix) == PREFIX_DENY ?
	      RMAP_NOMATCH : 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
};

/* `set ipv6 nexthop global IP_ADDRESS' */

/* Set nexthop to object.  ojbect must be pointer to struct attr. */
static route_map_result_t
route_set_ipv6_nexthop_global (void *rule, struct prefix *prefix,
			       route_map_object_t type, void *object)
{
  struct in6_addr *address;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      /* Fetch routemap's rule information. */
      address = rule;
      bgp_info = object;

      /* Set next hop value. */
      (bgp_attr_extra_get (bgp_info->attr))->mp_nexthop_global = *address;

      /* Set nexthop length. */
      if (bgp_info->attr->extra->mp_nexthop_len == 0)
	bgp_info->attr->extra->mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL;

      SET_FLAG(bgp_info->attr->rmap_change_flags,
	       BATTR_RMAP_IPV6_GLOBAL_NHOP_CHANGED);
    }

  return RMAP_OKAY;
}

/* Route map `ip next-hop' compile function.  Given string is converted
   to struct in_addr structure. */
static void *
route_set_ipv6_nexthop_global_compile (const char *arg)
{
  int ret;
  struct in6_addr *address;

  address = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct in6_addr));

  ret = inet_pton (AF_INET6, arg, address);

  if (ret == 0)
    {
      XFREE (MTYPE_ROUTE_MAP_COMPILED, address);
      return NULL;
    }

  return address;
}

/* Free route map's compiled `ip next-hop' value. */
static void
route_set_ipv6_nexthop_global_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip nexthop set. */
struct route_map_rule_cmd route_set_ipv6_nexthop_global_cmd =
{
  "ipv6 next-hop global",
  route_set_ipv6_nexthop_global,
  route_set_ipv6_nexthop_global_compile,
  route_set_ipv6_nexthop_global_free
};

/* Set next-hop preference value. */
static route_map_result_t
route_set_ipv6_nexthop_prefer_global (void *rule, struct prefix *prefix,
			              route_map_object_t type, void *object)
{
  struct bgp_info *bgp_info;
  struct peer *peer;

  if (type == RMAP_BGP)
    {
      /* Fetch routemap's rule information. */
      bgp_info = object;
      peer = bgp_info->peer;

      if ((CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_IN) ||
           CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_IMPORT))
	  && peer->su_remote
	  && sockunion_family (peer->su_remote) == AF_INET6)
	{
          /* Set next hop preference to global */
          bgp_info->attr->extra->mp_nexthop_prefer_global = TRUE;
          SET_FLAG(bgp_info->attr->rmap_change_flags,
                   BATTR_RMAP_IPV6_PREFER_GLOBAL_CHANGED);
	}
      else
        {
          bgp_info->attr->extra->mp_nexthop_prefer_global = FALSE;
          SET_FLAG(bgp_info->attr->rmap_change_flags,
                   BATTR_RMAP_IPV6_PREFER_GLOBAL_CHANGED);
        }
    }
 return RMAP_OKAY;
}

static void *
route_set_ipv6_nexthop_prefer_global_compile (const char *arg)
{
  int *rins = NULL;

  rins = XCALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (int));
  *rins = 1;

  return rins;
}

/* Free route map's compiled `ip next-hop' value. */
static void
route_set_ipv6_nexthop_prefer_global_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip nexthop set preferred. */
struct route_map_rule_cmd route_set_ipv6_nexthop_prefer_global_cmd =
{
  "ipv6 next-hop prefer-global",
  route_set_ipv6_nexthop_prefer_global,
  route_set_ipv6_nexthop_prefer_global_compile,
  route_set_ipv6_nexthop_prefer_global_free
};

/* `set ipv6 nexthop local IP_ADDRESS' */

/* Set nexthop to object.  ojbect must be pointer to struct attr. */
static route_map_result_t
route_set_ipv6_nexthop_local (void *rule, struct prefix *prefix,
			      route_map_object_t type, void *object)
{
  struct in6_addr *address;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      /* Fetch routemap's rule information. */
      address = rule;
      bgp_info = object;

      /* Set next hop value. */
      (bgp_attr_extra_get (bgp_info->attr))->mp_nexthop_local = *address;

      /* Set nexthop length. */
      if (bgp_info->attr->extra->mp_nexthop_len != BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL)
	bgp_info->attr->extra->mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL;

      SET_FLAG(bgp_info->attr->rmap_change_flags,
	       BATTR_RMAP_IPV6_LL_NHOP_CHANGED);
    }

  return RMAP_OKAY;
}

/* Route map `ip nexthop' compile function.  Given string is converted
   to struct in_addr structure. */
static void *
route_set_ipv6_nexthop_local_compile (const char *arg)
{
  int ret;
  struct in6_addr *address;

  address = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct in6_addr));

  ret = inet_pton (AF_INET6, arg, address);

  if (ret == 0)
    {
      XFREE (MTYPE_ROUTE_MAP_COMPILED, address);
      return NULL;
    }

  return address;
}

/* Free route map's compiled `ip nexthop' value. */
static void
route_set_ipv6_nexthop_local_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip nexthop set. */
struct route_map_rule_cmd route_set_ipv6_nexthop_local_cmd =
{
  "ipv6 next-hop local",
  route_set_ipv6_nexthop_local,
  route_set_ipv6_nexthop_local_compile,
  route_set_ipv6_nexthop_local_free
};

/* `set ipv6 nexthop peer-address' */

/* Set nexthop to object.  ojbect must be pointer to struct attr. */
static route_map_result_t
route_set_ipv6_nexthop_peer (void *rule, struct prefix *prefix,
			     route_map_object_t type, void *object)
{
  struct in6_addr peer_address;
  struct bgp_info *bgp_info;
  struct peer *peer;

  if (type == RMAP_BGP)
    {
      /* Fetch routemap's rule information. */
      bgp_info = object;
      peer = bgp_info->peer;

      if ((CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_IN) ||
           CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_IMPORT))
	  && peer->su_remote
	  && sockunion_family (peer->su_remote) == AF_INET6)
	{
	  peer_address = peer->su_remote->sin6.sin6_addr;
          /* Set next hop value and length in attribute. */
          if (IN6_IS_ADDR_LINKLOCAL(&peer_address))
            {
              (bgp_attr_extra_get (bgp_info->attr))->mp_nexthop_local = peer_address;
              if (bgp_info->attr->extra->mp_nexthop_len != 32)
                bgp_info->attr->extra->mp_nexthop_len = 32;
            }
          else
            {
              (bgp_attr_extra_get (bgp_info->attr))->mp_nexthop_global = peer_address;
              if (bgp_info->attr->extra->mp_nexthop_len == 0)
                bgp_info->attr->extra->mp_nexthop_len = 16;
            }

	}
      else if (CHECK_FLAG (peer->rmap_type, PEER_RMAP_TYPE_OUT))
	{
          /* The next hop value will be set as part of packet rewrite.
           * Set the flags here to indicate that rewrite needs to be done.
           * Also, clear the value - we clear both global and link-local
           * nexthops, whether we send one or both is determined elsewhere.
           */
	  SET_FLAG(bgp_info->attr->rmap_change_flags,
		   BATTR_RMAP_NEXTHOP_PEER_ADDRESS);
          /* clear next hop value. */
          memset (&((bgp_attr_extra_get (bgp_info->attr))->mp_nexthop_global),
                  0, sizeof (struct in6_addr));
          memset (&((bgp_attr_extra_get (bgp_info->attr))->mp_nexthop_local),
                  0, sizeof (struct in6_addr));
	}
    }

  return RMAP_OKAY;
}

/* Route map `ip next-hop' compile function.  Given string is converted
   to struct in_addr structure. */
static void *
route_set_ipv6_nexthop_peer_compile (const char *arg)
{
  int *rins = NULL;

  rins = XCALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (int));
  *rins = 1;

  return rins;
}

/* Free route map's compiled `ip next-hop' value. */
static void
route_set_ipv6_nexthop_peer_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip nexthop set. */
struct route_map_rule_cmd route_set_ipv6_nexthop_peer_cmd =
{
  "ipv6 next-hop peer-address",
  route_set_ipv6_nexthop_peer,
  route_set_ipv6_nexthop_peer_compile,
  route_set_ipv6_nexthop_peer_free
};

/* `set vpnv4 nexthop A.B.C.D' */

static route_map_result_t
route_set_vpnv4_nexthop (void *rule, struct prefix *prefix,
			 route_map_object_t type, void *object)
{
  struct in_addr *address;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      /* Fetch routemap's rule information. */
      address = rule;
      bgp_info = object;

      /* Set next hop value. */
      (bgp_attr_extra_get (bgp_info->attr))->mp_nexthop_global_in = *address;
      (bgp_attr_extra_get (bgp_info->attr))->mp_nexthop_len = 4;
    }

  return RMAP_OKAY;
}

static void *
route_set_vpnv4_nexthop_compile (const char *arg)
{
  int ret;
  struct in_addr *address;

  address = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct in_addr));

  ret = inet_aton (arg, address);

  if (ret == 0)
    {
      XFREE (MTYPE_ROUTE_MAP_COMPILED, address);
      return NULL;
    }

  return address;
}

static void
route_set_vpnv4_nexthop_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Route map commands for ip nexthop set. */
struct route_map_rule_cmd route_set_vpnv4_nexthop_cmd =
{
  "vpnv4 next-hop",
  route_set_vpnv4_nexthop,
  route_set_vpnv4_nexthop_compile,
  route_set_vpnv4_nexthop_free
};

/* `set originator-id' */

/* For origin set. */
static route_map_result_t
route_set_originator_id (void *rule, struct prefix *prefix, route_map_object_t type, void *object)
{
  struct in_addr *address;
  struct bgp_info *bgp_info;

  if (type == RMAP_BGP)
    {
      address = rule;
      bgp_info = object;

      bgp_info->attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_ORIGINATOR_ID);
      (bgp_attr_extra_get (bgp_info->attr))->originator_id = *address;
    }

  return RMAP_OKAY;
}

/* Compile function for originator-id set. */
static void *
route_set_originator_id_compile (const char *arg)
{
  int ret;
  struct in_addr *address;

  address = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (struct in_addr));

  ret = inet_aton (arg, address);

  if (ret == 0)
    {
      XFREE (MTYPE_ROUTE_MAP_COMPILED, address);
      return NULL;
    }

  return address;
}

/* Compile function for originator_id set. */
static void
route_set_originator_id_free (void *rule)
{
  XFREE (MTYPE_ROUTE_MAP_COMPILED, rule);
}

/* Set originator-id rule structure. */
struct route_map_rule_cmd route_set_originator_id_cmd =
{
  "originator-id",
  route_set_originator_id,
  route_set_originator_id_compile,
  route_set_originator_id_free,
};

/* Add bgp route map rule. */
static int
bgp_route_match_add (struct vty *vty,
		     const char *command, const char *arg,
		     route_map_event_t type)
{
  VTY_DECLVAR_CONTEXT(route_map_index, index);
  int ret;

  ret = route_map_add_match (index, command, arg);
  if (ret)
    {
      switch (ret)
	{
	case RMAP_RULE_MISSING:
	  vty_out (vty, "%% BGP Can't find rule.%s", VTY_NEWLINE);
	  return CMD_WARNING;
	case RMAP_COMPILE_ERROR:
	  vty_out (vty, "%% BGP Argument is malformed.%s", VTY_NEWLINE);
	  return CMD_WARNING;
	}
    }

  if (type != RMAP_EVENT_MATCH_ADDED)
    {
      route_map_upd8_dependency (type, arg, index->map->name);
    }

  return CMD_SUCCESS;
}

/* Delete bgp route map rule. */
static int
bgp_route_match_delete (struct vty *vty,
			const char *command, const char *arg,
			route_map_event_t type)
{
  VTY_DECLVAR_CONTEXT(route_map_index, index);
  int ret;
  char *dep_name = NULL;
  const char *tmpstr;
  char *rmap_name = NULL;

  if (type != RMAP_EVENT_MATCH_DELETED)
    {
      /* ignore the mundane, the types without any dependency */
      if (arg == NULL)
	{
	  if ((tmpstr = route_map_get_match_arg(index, command)) != NULL)
	    dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, tmpstr);
	}
      else
	{
	  dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, arg);
	}
      rmap_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, index->map->name);
    }

  ret = route_map_delete_match (index, command, dep_name);
  if (ret)
    {
      switch (ret)
	{
	case RMAP_RULE_MISSING:
	  vty_out (vty, "%% BGP Can't find rule.%s", VTY_NEWLINE);
	  break;
	case RMAP_COMPILE_ERROR:
	  vty_out (vty, "%% BGP Argument is malformed.%s", VTY_NEWLINE);
	  break;
	}
      if (dep_name)
	XFREE(MTYPE_ROUTE_MAP_RULE, dep_name);
      if (rmap_name)
	XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name);
      return CMD_WARNING;
    }

  if (type != RMAP_EVENT_MATCH_DELETED && dep_name)
    route_map_upd8_dependency(type, dep_name, rmap_name);

  if (dep_name)
    XFREE(MTYPE_ROUTE_MAP_RULE, dep_name);
  if (rmap_name)
    XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name);

  return CMD_SUCCESS;
}

/*
 * This is the workhorse routine for processing in/out routemap
 * modifications.
 */
static void
bgp_route_map_process_peer (const char *rmap_name, struct route_map *map,
                            struct peer *peer, int afi, int safi,
                            int route_update)
{

  int update;
  struct bgp_filter *filter;

  if (!peer || !rmap_name)
    return;

  filter = &peer->filter[afi][safi];
  /*
   * in is for non-route-server clients,
   * out is for all peers
   */
  if (!CHECK_FLAG(peer->flags, PEER_FLAG_RSERVER_CLIENT))
    {
      if (filter->map[RMAP_IN].name &&
	  (strcmp(rmap_name, filter->map[RMAP_IN].name) == 0))
	{
	  filter->map[RMAP_IN].map = map;

	  if (route_update && peer->status == Established)
	    {
	      if (CHECK_FLAG (peer->af_flags[afi][safi],
			      PEER_FLAG_SOFT_RECONFIG))
		{
                  if (bgp_debug_update(peer, NULL, NULL, 1))
		    zlog_debug("Processing route_map %s update on "
			       "peer %s (inbound, soft-reconfig)",
			       rmap_name, peer->host);

		  bgp_soft_reconfig_in (peer, afi, safi);
		}
	      else if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV)
		       || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV))
		{

                  if (bgp_debug_update(peer, NULL, NULL, 1))
		    zlog_debug("Processing route_map %s update on "
			       "peer %s (inbound, route-refresh)",
			       rmap_name, peer->host);
		  bgp_route_refresh_send (peer, afi, safi, 0, 0, 0);
		}
	    }
	}
    }

  if (CHECK_FLAG(peer->flags, PEER_FLAG_RSERVER_CLIENT))
    {
      update = 0;

      if (update && route_update && peer->status == Established)
	{
	  if (CHECK_FLAG (peer->af_flags[afi][safi],
			  PEER_FLAG_SOFT_RECONFIG))
	    {
              if (bgp_debug_update(peer, NULL, NULL, 1))
		zlog_debug("Processing route_map %s update on "
			   "peer %s (import, soft-reconfig)",
			   rmap_name, peer->host);

	      bgp_soft_reconfig_in (peer, afi, safi);
	    }
	  else if (CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_OLD_RCV)
		   || CHECK_FLAG (peer->cap, PEER_CAP_REFRESH_NEW_RCV))
	    {
              if (bgp_debug_update(peer, NULL, NULL, 1))
		zlog_debug("Processing route_map %s update on "
			   "peer %s (import, route-refresh)",
			   rmap_name, peer->host);
	      bgp_route_refresh_send (peer, afi, safi, 0, 0, 0);
	    }
	  /* DD: Else, what else do we do ? Reset peer ? */
	}
    }

  /*
   * For outbound, unsuppress and default-originate map change (content or
   * map created), merely update the "config" here, the actual route
   * announcement happens at the group level.
   */
  if (filter->map[RMAP_OUT].name &&
      (strcmp(rmap_name, filter->map[RMAP_OUT].name) == 0))
    filter->map[RMAP_OUT].map = map;

  if (filter->usmap.name &&
      (strcmp(rmap_name, filter->usmap.name) == 0))
    filter->usmap.map = map;

  if (peer->default_rmap[afi][safi].name &&
      (strcmp (rmap_name, peer->default_rmap[afi][safi].name) == 0))
    peer->default_rmap[afi][safi].map = map;
}

static void
bgp_route_map_update_peer_group(const char *rmap_name, struct route_map *map,
                                struct bgp *bgp)
{
  struct peer_group *group;
  struct listnode *node, *nnode;
  struct bgp_filter *filter;
  int afi, safi;
  int direct;

  if (!bgp)
    return;

  /* All the peers have been updated correctly already. This is
   * just updating the placeholder data. No real update required.
   */
  for (ALL_LIST_ELEMENTS (bgp->group, node, nnode, group))
    for (afi = AFI_IP; afi < AFI_MAX; afi++)
      for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++)
	{
	  filter = &group->conf->filter[afi][safi];

	  for (direct = RMAP_IN; direct < RMAP_MAX; direct++)
	    {
	      if ((filter->map[direct].name) &&
		  (strcmp(rmap_name, filter->map[direct].name) == 0))
		filter->map[direct].map = map;
	    }

	  if (filter->usmap.name &&
	      (strcmp(rmap_name, filter->usmap.name) == 0))
	    filter->usmap.map = map;
	}
}

/*
 * Note that if an extreme number (tens of thousands) of route-maps are in use
 * and if bgp has an extreme number of peers, network statements, etc then this
 * function can consume a lot of cycles. This is due to this function being
 * called for each route-map and within this function we walk the list of peers,
 * network statements, etc looking to see if they use this route-map.
 */
static void
bgp_route_map_process_update (struct bgp *bgp, const char *rmap_name, int route_update)
{
  int i;
  afi_t afi;
  safi_t safi;
  struct peer *peer;
  struct bgp_node *bn;
  struct bgp_static *bgp_static;
  struct listnode *node, *nnode;
  struct route_map *map;
  char buf[INET6_ADDRSTRLEN];

  map = route_map_lookup_by_name (rmap_name);

  for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer))
    {

      /* Ignore dummy peer-group structure */
      if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP))
	continue;

      for (afi = AFI_IP; afi < AFI_MAX; afi++)
	for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++)
	  {
	    /* Ignore inactive AFI/SAFI */
	    if (! peer->afc[afi][safi])
	      continue;

	    /* process in/out/import/export/default-orig route-maps */
	    bgp_route_map_process_peer(rmap_name, map, peer, afi, safi, route_update);
	  }
    }

  /* for outbound/default-orig route-maps, process for groups */
  update_group_policy_update(bgp, BGP_POLICY_ROUTE_MAP, rmap_name,
			     route_update, 0);

  /* update peer-group config (template) */
  bgp_route_map_update_peer_group(rmap_name, map, bgp);

  for (afi = AFI_IP; afi < AFI_MAX; afi++)
    for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++)
      {
        /* For table route-map updates. */
	if (bgp->table_map[afi][safi].name &&
	    (strcmp(rmap_name, bgp->table_map[afi][safi].name) == 0))
	  {
	    bgp->table_map[afi][safi].map = map;

            if (BGP_DEBUG (zebra, ZEBRA))
	      zlog_debug("Processing route_map %s update on "
			 "table map", rmap_name);
	    if (route_update)
	      bgp_zebra_announce_table(bgp, afi, safi);
	  }

        /* For network route-map updates. */
        for (bn = bgp_table_top (bgp->route[afi][safi]); bn; bn = bgp_route_next (bn))
          if ((bgp_static = bn->info) != NULL)
            {
              if (bgp_static->rmap.name &&
                  (strcmp(rmap_name, bgp_static->rmap.name) == 0))
                {
                  bgp_static->rmap.map = map;

                  if (route_update)
                    if (!bgp_static->backdoor)
                      {
                        if (bgp_debug_zebra(&bn->p))
                          zlog_debug("Processing route_map %s update on "
                                     "static route %s", rmap_name,
                                     inet_ntop (bn->p.family, &bn->p.u.prefix,
                                                buf, INET6_ADDRSTRLEN));
                        bgp_static_update (bgp, &bn->p, bgp_static, afi, safi);
                      }
                }
            }
      }

  /* For redistribute route-map updates. */
  for (afi = AFI_IP; afi < AFI_MAX; afi++)
    for (i = 0; i < ZEBRA_ROUTE_MAX; i++)
      {
        struct list *red_list;
        struct listnode *node;
        struct bgp_redist *red;

        red_list = bgp->redist[afi][i];
        if (!red_list)
            continue;

        for (ALL_LIST_ELEMENTS_RO(red_list, node, red))
          {
            if (red->rmap.name &&
                (strcmp(rmap_name, red->rmap.name) == 0))
              {
                red->rmap.map = map;

                if (route_update)
                  {
                    if (BGP_DEBUG (zebra, ZEBRA))
                      zlog_debug("Processing route_map %s update on "
                                 "redistributed routes", rmap_name);

                    bgp_redistribute_resend (bgp, afi, i, red->instance);
                  }
              }
	  }
      }
}

static int
bgp_route_map_process_update_cb (char *rmap_name)
{
  struct listnode *node, *nnode;
  struct bgp *bgp;

  for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp))
    bgp_route_map_process_update(bgp, rmap_name, 1);

#if ENABLE_BGP_VNC
  zlog_debug("%s: calling vnc_routemap_update", __func__);
  vnc_routemap_update(bgp, __func__);
#endif
  return 0;
}

int
bgp_route_map_update_timer(struct thread *thread)
{
  bm->t_rmap_update = NULL;

  route_map_walk_update_list(bgp_route_map_process_update_cb);

  return (0);
}

static void
bgp_route_map_mark_update (const char *rmap_name)
{
  if (bm->t_rmap_update == NULL)
    {
      struct listnode *node, *nnode;
      struct bgp *bgp;

      /* rmap_update_timer of 0 means don't do route updates */
      if (bm->rmap_update_timer)
        {
          bm->t_rmap_update =
            thread_add_timer(bm->master, bgp_route_map_update_timer, NULL,
                             bm->rmap_update_timer);

          /* Signal the groups that a route-map update event has started */
          for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp))
            update_group_policy_update(bgp, BGP_POLICY_ROUTE_MAP, rmap_name, 1, 1);
        }
      else
        {
          for (ALL_LIST_ELEMENTS (bm->bgp, node, nnode, bgp))
            bgp_route_map_process_update(bgp, rmap_name, 0);
 #if ENABLE_BGP_VNC
          zlog_debug("%s: calling vnc_routemap_update", __func__);
          vnc_routemap_update(bgp, __func__);
#endif
        }
    }
}

static void
bgp_route_map_add (const char *rmap_name)
{
  if (route_map_mark_updated(rmap_name, 0) == 0)
    bgp_route_map_mark_update(rmap_name);

  route_map_notify_dependencies(rmap_name, RMAP_EVENT_MATCH_ADDED);
}

static void
bgp_route_map_delete (const char *rmap_name)
{
  if (route_map_mark_updated(rmap_name, 1) == 0)
    bgp_route_map_mark_update(rmap_name);

  route_map_notify_dependencies(rmap_name, RMAP_EVENT_MATCH_DELETED);
}

static void
bgp_route_map_event (route_map_event_t event, const char *rmap_name)
{
  if (route_map_mark_updated(rmap_name, 0) == 0)
    bgp_route_map_mark_update(rmap_name);

  route_map_notify_dependencies(rmap_name, RMAP_EVENT_MATCH_ADDED);
}


DEFUN (match_peer,
       match_peer_cmd,
       "match peer <A.B.C.D|X:X::X:X>",
       MATCH_STR
       "Match peer address\n"
       "IP address of peer\n"
       "IPv6 address of peer\n")
{
  int idx_ip = 2;
  return bgp_route_match_add (vty, "peer", argv[idx_ip]->arg,
			      RMAP_EVENT_MATCH_ADDED);
}

DEFUN (match_peer_local,
       match_peer_local_cmd,
        "match peer local",
        MATCH_STR
        "Match peer address\n"
        "Static or Redistributed routes\n")
{
  return bgp_route_match_add (vty, "peer", "local",
			      RMAP_EVENT_MATCH_DELETED);
}

DEFUN (no_match_peer,
       no_match_peer_cmd,
       "no match peer [<local|A.B.C.D|X:X::X:X>]",
       NO_STR
       MATCH_STR
       "Match peer address\n"
       "Static or Redistributed routes\n"
       "IP address of peer\n"
       "IPv6 address of peer\n")
{
 int idx_peer = 3;

 if (argc <= idx_peer)
   return bgp_route_match_delete (vty, "peer", NULL,
                                  RMAP_EVENT_MATCH_DELETED);
 return bgp_route_match_delete (vty, "peer", argv[idx_peer]->arg,
				RMAP_EVENT_MATCH_DELETED);
}


/* match probability */
DEFUN (match_probability,
       match_probability_cmd,
       "match probability (0-100)",
       MATCH_STR
       "Match portion of routes defined by percentage value\n"
       "Percentage of routes\n")
{
  int idx_number = 2;
  return bgp_route_match_add (vty, "probability", argv[idx_number]->arg,
			      RMAP_EVENT_MATCH_ADDED);
}


DEFUN (no_match_probability,
       no_match_probability_cmd,
       "no match probability [(1-99)]",
       NO_STR
       MATCH_STR
       "Match portion of routes defined by percentage value\n"
       "Percentage of routes\n")
{
  int idx_number = 3;
  if (argc <= idx_number)
    return bgp_route_match_delete (vty, "probability", NULL,
                                   RMAP_EVENT_MATCH_DELETED);
  return bgp_route_match_delete (vty, "probability", argv[idx_number]->arg,
				 RMAP_EVENT_MATCH_DELETED);
}


DEFUN (match_ip_route_source,
       match_ip_route_source_cmd,
       "match ip route-source <(1-199)|(1300-2699)|WORD>",
       MATCH_STR
       IP_STR
       "Match advertising source address of route\n"
       "IP access-list number\n"
       "IP access-list number (expanded range)\n"
       "IP standard access-list name\n")
{
  int idx_acl = 3;
  return bgp_route_match_add (vty, "ip route-source", argv[idx_acl]->arg,
			      RMAP_EVENT_FILTER_ADDED);
}


DEFUN (no_match_ip_route_source,
       no_match_ip_route_source_cmd,
       "no match ip route-source [<(1-199)|(1300-2699)|WORD>]",
       NO_STR
       MATCH_STR
       IP_STR
       "Match advertising source address of route\n"
       "IP access-list number\n"
       "IP access-list number (expanded range)\n"
       "IP standard access-list name\n")
{
  int idx_number = 4;
  if (argc <= idx_number)
    return bgp_route_match_delete (vty, "ip route-source",
                                   NULL, RMAP_EVENT_FILTER_DELETED);
  return bgp_route_match_delete (vty, "ip route-source",
				 argv[idx_number]->arg, RMAP_EVENT_FILTER_DELETED);
}


DEFUN (match_ip_route_source_prefix_list,
       match_ip_route_source_prefix_list_cmd,
       "match ip route-source prefix-list WORD",
       MATCH_STR
       IP_STR
       "Match advertising source address of route\n"
       "Match entries of prefix-lists\n"
       "IP prefix-list name\n")
{
  int idx_word = 4;
  return bgp_route_match_add (vty, "ip route-source prefix-list",
			      argv[idx_word]->arg, RMAP_EVENT_PLIST_ADDED);
}


DEFUN (no_match_ip_route_source_prefix_list,
       no_match_ip_route_source_prefix_list_cmd,
       "no match ip route-source prefix-list [WORD]",
       NO_STR
       MATCH_STR
       IP_STR
       "Match advertising source address of route\n"
       "Match entries of prefix-lists\n"
       "IP prefix-list name\n")
{
  int idx_word = 5;
  if (argc <= idx_word)
    return bgp_route_match_delete (vty, "ip route-source prefix-list",
                                   NULL, RMAP_EVENT_PLIST_DELETED);
  return bgp_route_match_delete (vty, "ip route-source prefix-list",
				 argv[idx_word]->arg, RMAP_EVENT_PLIST_DELETED);
}


DEFUN (match_local_pref,
       match_local_pref_cmd,
       "match local-preference (0-4294967295)",
       MATCH_STR
       "Match local-preference of route\n"
       "Metric value\n")
{
  int idx_number = 2;
  return bgp_route_match_add (vty, "local-preference", argv[idx_number]->arg,
			      RMAP_EVENT_MATCH_ADDED);
}


DEFUN (no_match_local_pref,
       no_match_local_pref_cmd,
       "no match local-preference [(0-4294967295)]",
       NO_STR
       MATCH_STR
       "Match local preference of route\n"
       "Local preference value\n")
{
  int idx_localpref = 3;
  if (argc <= idx_localpref)
    return bgp_route_match_delete (vty, "local-preference",
                                   NULL, RMAP_EVENT_MATCH_DELETED);
  return bgp_route_match_delete (vty, "local-preference",
				 argv[idx_localpref]->arg,
				 RMAP_EVENT_MATCH_DELETED);
}


DEFUN (match_community,
       match_community_cmd,
       "match community <(1-99)|(100-500)|WORD>",
       MATCH_STR
       "Match BGP community list\n"
       "Community-list number (standard)\n"
       "Community-list number (expanded)\n"
       "Community-list name\n")
{
  int idx_comm_list = 2;
  return bgp_route_match_add (vty, "community", argv[idx_comm_list]->arg,
			      RMAP_EVENT_CLIST_ADDED);
}

DEFUN (match_community_exact,
       match_community_exact_cmd,
       "match community <(1-99)|(100-500)|WORD> exact-match",
       MATCH_STR
       "Match BGP community list\n"
       "Community-list number (standard)\n"
       "Community-list number (expanded)\n"
       "Community-list name\n"
       "Do exact matching of communities\n")
{
  int idx_comm_list = 2;
  int ret;
  char *argstr;

  argstr = XMALLOC (MTYPE_ROUTE_MAP_COMPILED,
		    strlen (argv[idx_comm_list]->arg) + strlen ("exact-match") + 2);

  sprintf (argstr, "%s exact-match", argv[idx_comm_list]->arg);

  ret = bgp_route_match_add (vty, "community", argstr,
			     RMAP_EVENT_CLIST_ADDED);

  XFREE (MTYPE_ROUTE_MAP_COMPILED, argstr);

  return ret;
}

DEFUN (no_match_community,
       no_match_community_cmd,
       "no match community [<(1-99)|(100-500)|WORD> [exact-match]]",
       NO_STR
       MATCH_STR
       "Match BGP community list\n"
       "Community-list number (standard)\n"
       "Community-list number (expanded)\n"
       "Community-list name\n"
       "Do exact matching of communities\n")
{
  return bgp_route_match_delete (vty, "community", NULL,
				 RMAP_EVENT_CLIST_DELETED);
}



DEFUN (match_ecommunity,
       match_ecommunity_cmd,
       "match extcommunity <(1-99)|(100-500)|WORD>",
       MATCH_STR
       "Match BGP/VPN extended community list\n"
       "Extended community-list number (standard)\n"
       "Extended community-list number (expanded)\n"
       "Extended community-list name\n")
{
  int idx_comm_list = 2;
  return bgp_route_match_add (vty, "extcommunity", argv[idx_comm_list]->arg,
			      RMAP_EVENT_ECLIST_ADDED);
}


DEFUN (no_match_ecommunity,
       no_match_ecommunity_cmd,
       "no match extcommunity [<(1-99)|(100-500)|WORD>]",
       NO_STR
       MATCH_STR
       "Match BGP/VPN extended community list\n"
       "Extended community-list number (standard)\n"
       "Extended community-list number (expanded)\n"
       "Extended community-list name\n")
{
  return bgp_route_match_delete (vty, "extcommunity", NULL,
				 RMAP_EVENT_ECLIST_DELETED);
}


DEFUN (match_aspath,
       match_aspath_cmd,
       "match as-path WORD",
       MATCH_STR
       "Match BGP AS path list\n"
       "AS path access-list name\n")
{
  int idx_word = 2;
  return bgp_route_match_add (vty, "as-path", argv[idx_word]->arg,
			      RMAP_EVENT_ASLIST_ADDED);
}


DEFUN (no_match_aspath,
       no_match_aspath_cmd,
       "no match as-path [WORD]",
       NO_STR
       MATCH_STR
       "Match BGP AS path list\n"
       "AS path access-list name\n")
{
  return bgp_route_match_delete (vty, "as-path", NULL,
				 RMAP_EVENT_ASLIST_DELETED);
}


DEFUN (match_origin,
       match_origin_cmd,
       "match origin <egp|igp|incomplete>",
       MATCH_STR
       "BGP origin code\n"
       "remote EGP\n"
       "local IGP\n"
       "unknown heritage\n")
{
  int idx_origin = 2;
  if (strncmp (argv[idx_origin]->arg, "igp", 2) == 0)
    return bgp_route_match_add (vty, "origin", "igp",
				RMAP_EVENT_MATCH_ADDED);
  if (strncmp (argv[idx_origin]->arg, "egp", 1) == 0)
    return bgp_route_match_add (vty, "origin", "egp",
				RMAP_EVENT_MATCH_ADDED);
  if (strncmp (argv[idx_origin]->arg, "incomplete", 2) == 0)
    return bgp_route_match_add (vty, "origin", "incomplete",
				RMAP_EVENT_MATCH_ADDED);

  return CMD_WARNING;
}


DEFUN (no_match_origin,
       no_match_origin_cmd,
       "no match origin [<egp|igp|incomplete>]",
       NO_STR
       MATCH_STR
       "BGP origin code\n"
       "remote EGP\n"
       "local IGP\n"
       "unknown heritage\n")
{
  return bgp_route_match_delete (vty, "origin", NULL,
				 RMAP_EVENT_MATCH_DELETED);
}

DEFUN (set_ip_nexthop_peer,
       set_ip_nexthop_peer_cmd,
       "set ip next-hop peer-address",
       SET_STR
       IP_STR
       "Next hop address\n"
       "Use peer address (for BGP only)\n")
{
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "ip next-hop", "peer-address");
}

DEFUN (set_ip_nexthop_unchanged,
       set_ip_nexthop_unchanged_cmd,
       "set ip next-hop unchanged",
       SET_STR
       IP_STR
       "Next hop address\n"
       "Don't modify existing Next hop address\n")
{
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "ip next-hop", "unchanged");
}


DEFUN (set_local_pref,
       set_local_pref_cmd,
       "set local-preference (0-4294967295)",
       SET_STR
       "BGP local preference path attribute\n"
       "Preference value\n")
{
  int idx_number = 2;
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "local-preference", argv[idx_number]->arg);
}


DEFUN (no_set_local_pref,
       no_set_local_pref_cmd,
       "no set local-preference [(0-4294967295)]",
       NO_STR
       SET_STR
       "BGP local preference path attribute\n"
       "Preference value\n")
{
  int idx_localpref = 3;
  if (argc <= idx_localpref)
    return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                               "local-preference", NULL);
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "local-preference", argv[idx_localpref]->arg);
}


DEFUN (set_weight,
       set_weight_cmd,
       "set weight (0-4294967295)",
       SET_STR
       "BGP weight for routing table\n"
       "Weight value\n")
{
  int idx_number = 2;
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index), "weight",
                          argv[idx_number]->arg);
}


DEFUN (no_set_weight,
       no_set_weight_cmd,
       "no set weight [(0-4294967295)]",
       NO_STR
       SET_STR
       "BGP weight for routing table\n"
       "Weight value\n")
{
  int idx_weight = 3;
  if (argc <= idx_weight)
    return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                               "weight", NULL);
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index), "weight",
                             argv[idx_weight]->arg);
}


DEFUN (set_aspath_prepend_asn,
       set_aspath_prepend_asn_cmd,
       "set as-path prepend (1-4294967295)...",
       SET_STR
       "Transform BGP AS_PATH attribute\n"
       "Prepend to the as-path\n"
       "AS number\n")
{
  int idx_asn = 3;
  int ret;
  char *str;

  str = argv_concat (argv, argc, idx_asn);
  ret = generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                         "as-path prepend", str);
  XFREE (MTYPE_TMP, str);

  return ret;
}

DEFUN (set_aspath_prepend_lastas,
       set_aspath_prepend_lastas_cmd,
       "set as-path prepend last-as (1-10)",
       SET_STR
       "Transform BGP AS_PATH attribute\n"
       "Prepend to the as-path\n"
       "Use the peer's AS-number\n"
       "Number of times to insert")
{
  return set_aspath_prepend_asn (self, vty, argc, argv);
}

DEFUN (no_set_aspath_prepend,
       no_set_aspath_prepend_cmd,
       "no set as-path prepend [(1-4294967295)]",
       NO_STR
       SET_STR
       "Transform BGP AS_PATH attribute\n"
       "Prepend to the as-path\n"
       "AS number\n")
{
  int idx_asn = 4;
  int ret;
  char *str;

  str = argv_concat (argv, argc, idx_asn);
  ret = generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                            "as-path prepend", str);
  XFREE (MTYPE_TMP, str);
  return ret;
}


DEFUN (set_aspath_exclude,
       set_aspath_exclude_cmd,
       "set as-path exclude (1-4294967295)...",
       SET_STR
       "Transform BGP AS-path attribute\n"
       "Exclude from the as-path\n"
       "AS number\n")
{
  int idx_asn = 3;
  int ret;
  char *str;

  str = argv_concat (argv, argc, idx_asn);
  ret = generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                         "as-path exclude", str);
  XFREE (MTYPE_TMP, str);
  return ret;
}

DEFUN (no_set_aspath_exclude,
       no_set_aspath_exclude_cmd,
       "no set as-path exclude (1-4294967295)...",
       NO_STR
       SET_STR
       "Transform BGP AS_PATH attribute\n"
       "Exclude from the as-path\n"
       "AS number\n")
{
  int idx_asn = 4;
  int ret;
  char *str;

  str = argv_concat (argv, argc, idx_asn);
  ret = generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                            "as-path exclude", str);
  XFREE (MTYPE_TMP, str);
  return ret;
}


DEFUN (set_community,
       set_community_cmd,
       "set community AA:NN...",
       SET_STR
       "BGP community attribute\n"
       COMMUNITY_VAL_STR)
{
  int idx_aa_nn = 2;
  int i;
  int first = 0;
  int additive = 0;
  struct buffer *b;
  struct community *com = NULL;
  char *str;
  char *argstr;
  int ret;

  b = buffer_new (1024);

  for (i = idx_aa_nn; i < argc; i++)
    {
      if (strncmp (argv[i]->arg, "additive", strlen (argv[i]->arg)) == 0)
 	{
 	  additive = 1;
 	  continue;
 	}

      if (first)
	buffer_putc (b, ' ');
      else
	first = 1;

      if (strncmp (argv[i]->arg, "internet", strlen (argv[i]->arg)) == 0)
 	{
	  buffer_putstr (b, "internet");
 	  continue;
 	}
      if (strncmp (argv[i]->arg, "local-AS", strlen (argv[i]->arg)) == 0)
 	{
	  buffer_putstr (b, "local-AS");
 	  continue;
 	}
      if (strncmp (argv[i]->arg, "no-a", strlen ("no-a")) == 0
	  && strncmp (argv[i]->arg, "no-advertise", strlen (argv[i]->arg)) == 0)
 	{
	  buffer_putstr (b, "no-advertise");
 	  continue;
 	}
      if (strncmp (argv[i]->arg, "no-e", strlen ("no-e"))== 0
	  && strncmp (argv[i]->arg, "no-export", strlen (argv[i]->arg)) == 0)
 	{
	  buffer_putstr (b, "no-export");
 	  continue;
 	}
      buffer_putstr (b, argv[i]->arg);
    }
  buffer_putc (b, '\0');

  /* Fetch result string then compile it to communities attribute.  */
  str = buffer_getstr (b);
  buffer_free (b);

  if (str)
    {
      com = community_str2com (str);
      XFREE (MTYPE_TMP, str);
    }

  /* Can't compile user input into communities attribute.  */
  if (! com)
    {
      vty_out (vty, "%% Malformed communities attribute%s", VTY_NEWLINE);
      return CMD_WARNING;
    }

  /* Set communites attribute string.  */
  str = community_str (com);

  if (additive)
    {
      argstr = XCALLOC (MTYPE_TMP, strlen (str) + strlen (" additive") + 1);
      strcpy (argstr, str);
      strcpy (argstr + strlen (str), " additive");
      ret =  generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                              "community", argstr);
      XFREE (MTYPE_TMP, argstr);
    }
  else
    ret =  generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                            "community", str);

  community_free (com);

  return ret;
}

DEFUN (set_community_none,
       set_community_none_cmd,
       "set community none",
       SET_STR
       "BGP community attribute\n"
       "No community attribute\n")
{
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index), "community",
                          "none");
}

DEFUN (no_set_community,
       no_set_community_cmd,
       "no set community AA:NN...",
       NO_STR
       SET_STR
       "BGP community attribute\n"
       COMMUNITY_VAL_STR)
{
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "community", NULL);
}



DEFUN (set_community_delete,
       set_community_delete_cmd,
       "set comm-list <(1-99)|(100-500)|WORD> delete",
       SET_STR
       "set BGP community list (for deletion)\n"
       "Community-list number (standard)\n"
       "Community-list number (expanded)\n"
       "Community-list name\n"
       "Delete matching communities\n")
{
  int idx_comm_list = 2;
  char *str;

  str = XCALLOC (MTYPE_TMP, strlen (argv[idx_comm_list]->arg) + strlen (" delete") + 1);
  strcpy (str, argv[idx_comm_list]->arg);
  strcpy (str + strlen (argv[idx_comm_list]->arg), " delete");

  generic_set_add (vty, VTY_GET_CONTEXT(route_map_index), "comm-list", str);

  XFREE (MTYPE_TMP, str);
  return CMD_SUCCESS;
}

DEFUN (no_set_community_delete,
       no_set_community_delete_cmd,
       "no set comm-list [<(1-99)|(100-500)|WORD> delete]",
       NO_STR
       SET_STR
       "set BGP community list (for deletion)\n"
       "Community-list number (standard)\n"
       "Community-list number (expanded)\n"
       "Community-list name\n"
       "Delete matching communities\n")
{
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "comm-list", NULL);
}


DEFUN (set_ecommunity_rt,
       set_ecommunity_rt_cmd,
       "set extcommunity rt ASN:nn_or_IP-address:nn...",
       SET_STR
       "BGP extended community attribute\n"
       "Route Target extended community\n"
       "VPN extended community\n")
{
  int idx_asn_nn = 3;
  int ret;
  char *str;

  str = argv_concat (argv, argc, idx_asn_nn);
  ret = generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                         "extcommunity rt", str);
  XFREE (MTYPE_TMP, str);

  return ret;
}

DEFUN (no_set_ecommunity_rt,
       no_set_ecommunity_rt_cmd,
       "no set extcommunity rt ASN:nn_or_IP-address:nn...",
       NO_STR
       SET_STR
       "BGP extended community attribute\n"
       "Route Target extended community\n"
       "VPN extended community\n")
{
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "extcommunity rt", NULL);
}


DEFUN (set_ecommunity_soo,
       set_ecommunity_soo_cmd,
       "set extcommunity soo ASN:nn_or_IP-address:nn...",
       SET_STR
       "BGP extended community attribute\n"
       "Site-of-Origin extended community\n"
       "VPN extended community\n")
{
  int idx_asn_nn = 3;
  int ret;
  char *str;

  str = argv_concat (argv, argc, idx_asn_nn);
  ret = generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                         "extcommunity soo", str);
  XFREE (MTYPE_TMP, str);
  return ret;
}


DEFUN (no_set_ecommunity_soo,
       no_set_ecommunity_soo_cmd,
       "no set extcommunity soo ASN:nn_or_IP-address:nn...",
       NO_STR
       SET_STR
       "BGP extended community attribute\n"
       "Site-of-Origin extended community\n"
       "VPN extended community\n")
{
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "extcommunity soo", NULL);
}


DEFUN (set_origin,
       set_origin_cmd,
       "set origin <egp|igp|incomplete>",
       SET_STR
       "BGP origin code\n"
       "remote EGP\n"
       "local IGP\n"
       "unknown heritage\n")
{
  int idx_origin = 2;
  if (strncmp (argv[idx_origin]->arg, "igp", 2) == 0)
    return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index), "origin",
                            "igp");
  if (strncmp (argv[idx_origin]->arg, "egp", 1) == 0)
    return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index), "origin",
                            "egp");
  if (strncmp (argv[idx_origin]->arg, "incomplete", 2) == 0)
    return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index), "origin",
                            "incomplete");

  return CMD_WARNING;
}


DEFUN (no_set_origin,
       no_set_origin_cmd,
       "no set origin [<egp|igp|incomplete>]",
       NO_STR
       SET_STR
       "BGP origin code\n"
       "remote EGP\n"
       "local IGP\n"
       "unknown heritage\n")
{
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index), "origin",
                             NULL);
}


DEFUN (set_atomic_aggregate,
       set_atomic_aggregate_cmd,
       "set atomic-aggregate",
       SET_STR
       "BGP atomic aggregate attribute\n" )
{
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "atomic-aggregate", NULL);
}

DEFUN (no_set_atomic_aggregate,
       no_set_atomic_aggregate_cmd,
       "no set atomic-aggregate",
       NO_STR
       SET_STR
       "BGP atomic aggregate attribute\n" )
{
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "atomic-aggregate", NULL);
}

DEFUN (set_aggregator_as,
       set_aggregator_as_cmd,
       "set aggregator as (1-4294967295) A.B.C.D",
       SET_STR
       "BGP aggregator attribute\n"
       "AS number of aggregator\n"
       "AS number\n"
       "IP address of aggregator\n")
{
  int idx_number = 3;
  int idx_ipv4 = 4;
  int ret;
  struct in_addr address;
  char *argstr;

  ret = inet_aton (argv[idx_ipv4]->arg, &address);
  if (ret == 0)
    {
      vty_out (vty, "Aggregator IP address is invalid%s", VTY_NEWLINE);
      return CMD_WARNING;
    }

  argstr = XMALLOC (MTYPE_ROUTE_MAP_COMPILED,
		    strlen (argv[idx_number]->arg) + strlen (argv[idx_ipv4]->arg) + 2);

  sprintf (argstr, "%s %s", argv[idx_number]->arg, argv[idx_ipv4]->arg);

  ret = generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                         "aggregator as", argstr);

  XFREE (MTYPE_ROUTE_MAP_COMPILED, argstr);

  return ret;
}


DEFUN (no_set_aggregator_as,
       no_set_aggregator_as_cmd,
       "no set aggregator as [(1-4294967295) A.B.C.D]",
       NO_STR
       SET_STR
       "BGP aggregator attribute\n"
       "AS number of aggregator\n"
       "AS number\n"
       "IP address of aggregator\n")
{
  int idx_asn = 4;
  int idx_ip = 5;
  int ret;
  struct in_addr address;
  char *argstr;

  if (argc <= idx_asn)
    return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                               "aggregator as", NULL);

  ret = inet_aton (argv[idx_ip]->arg, &address);
  if (ret == 0)
    {
      vty_out (vty, "Aggregator IP address is invalid%s", VTY_NEWLINE);
      return CMD_WARNING;
    }

  argstr = XMALLOC (MTYPE_ROUTE_MAP_COMPILED,
		    strlen (argv[idx_asn]->arg) + strlen (argv[idx_ip]->arg) + 2);

  sprintf (argstr, "%s %s", argv[idx_asn]->arg, argv[idx_ip]->arg);

  ret = generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                            "aggregator as", argstr);

  XFREE (MTYPE_ROUTE_MAP_COMPILED, argstr);

  return ret;
}

DEFUN (match_ipv6_next_hop,
       match_ipv6_next_hop_cmd,
       "match ipv6 next-hop X:X::X:X",
       MATCH_STR
       IPV6_STR
       "Match IPv6 next-hop address of route\n"
       "IPv6 address of next hop\n")
{
  int idx_ipv6 = 3;
  return bgp_route_match_add (vty, "ipv6 next-hop", argv[idx_ipv6]->arg,
			      RMAP_EVENT_MATCH_ADDED);
}

DEFUN (no_match_ipv6_next_hop,
       no_match_ipv6_next_hop_cmd,
       "no match ipv6 next-hop X:X::X:X",
       NO_STR
       MATCH_STR
       IPV6_STR
       "Match IPv6 next-hop address of route\n"
       "IPv6 address of next hop\n")
{
  int idx_ipv6 = 4;
  return bgp_route_match_delete (vty, "ipv6 next-hop", argv[idx_ipv6]->arg,
				 RMAP_EVENT_MATCH_DELETED);
}


DEFUN (set_ipv6_nexthop_peer,
       set_ipv6_nexthop_peer_cmd,
       "set ipv6 next-hop peer-address",
       SET_STR
       IPV6_STR
       "Next hop address\n"
       "Use peer address (for BGP only)\n")
{
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "ipv6 next-hop peer-address", NULL);
}

DEFUN (no_set_ipv6_nexthop_peer,
       no_set_ipv6_nexthop_peer_cmd,
       "no set ipv6 next-hop peer-address",
       NO_STR
       SET_STR
       IPV6_STR
       "IPv6 next-hop address\n"
       "Use peer address (for BGP only)\n")
{
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "ipv6 next-hop peer-address", NULL);
}

DEFUN (set_ipv6_nexthop_prefer_global,
       set_ipv6_nexthop_prefer_global_cmd,
       "set ipv6 next-hop prefer-global",
       SET_STR
       IPV6_STR
       "IPv6 next-hop address\n"
       "Prefer global over link-local if both exist\n")
{
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "ipv6 next-hop prefer-global", NULL);;
}

DEFUN (no_set_ipv6_nexthop_prefer_global,
       no_set_ipv6_nexthop_prefer_global_cmd,
       "no set ipv6 next-hop prefer-global",
       NO_STR
       SET_STR
       IPV6_STR
       "IPv6 next-hop address\n"
       "Prefer global over link-local if both exist\n")
{
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "ipv6 next-hop prefer-global", NULL);
}

DEFUN (set_ipv6_nexthop_global,
       set_ipv6_nexthop_global_cmd,
       "set ipv6 next-hop global X:X::X:X",
       SET_STR
       IPV6_STR
       "IPv6 next-hop address\n"
       "IPv6 global address\n"
       "IPv6 address of next hop\n")
{
  int idx_ipv6 = 4;
  struct in6_addr addr;
  int ret;

  ret = inet_pton (AF_INET6, argv[idx_ipv6]->arg, &addr);
  if (!ret)
    {
      vty_out (vty, "%% Malformed nexthop address%s", VTY_NEWLINE);
      return CMD_WARNING;
    }
  if (IN6_IS_ADDR_UNSPECIFIED(&addr) ||
      IN6_IS_ADDR_LOOPBACK(&addr)    ||
      IN6_IS_ADDR_MULTICAST(&addr)   ||
      IN6_IS_ADDR_LINKLOCAL(&addr))
    {
      vty_out (vty, "%% Invalid global nexthop address%s", VTY_NEWLINE);
      return CMD_WARNING;
    }

  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "ipv6 next-hop global", argv[idx_ipv6]->arg);
}


DEFUN (no_set_ipv6_nexthop_global,
       no_set_ipv6_nexthop_global_cmd,
       "no set ipv6 next-hop global X:X::X:X",
       NO_STR
       SET_STR
       IPV6_STR
       "IPv6 next-hop address\n"
       "IPv6 global address\n"
       "IPv6 address of next hop\n")
{
  int idx_ipv6 = 5;
  if (argc <= idx_ipv6)
    return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                               "ipv6 next-hop global", NULL);
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "ipv6 next-hop global", argv[idx_ipv6]->arg);
}

DEFUN (set_vpnv4_nexthop,
       set_vpnv4_nexthop_cmd,
       "set vpnv4 next-hop A.B.C.D",
       SET_STR
       "VPNv4 information\n"
       "VPNv4 next-hop address\n"
       "IP address of next hop\n")
{
  int idx_ipv4 = 3;
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "vpnv4 next-hop", argv[idx_ipv4]->arg);
}


DEFUN (no_set_vpnv4_nexthop,
       no_set_vpnv4_nexthop_cmd,
       "no set vpnv4 next-hop [A.B.C.D]",
       NO_STR
       SET_STR
       "VPNv4 information\n"
       "VPNv4 next-hop address\n"
       "IP address of next hop\n")
{
  int idx_ipv4 = 4;
  if (argc <= idx_ipv4)
    return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                               "vpnv4 next-hop", NULL);
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "vpnv4 next-hop", argv[idx_ipv4]->arg);
}


DEFUN (set_originator_id,
       set_originator_id_cmd,
       "set originator-id A.B.C.D",
       SET_STR
       "BGP originator ID attribute\n"
       "IP address of originator\n")
{
  int idx_ipv4 = 2;
  return generic_set_add (vty, VTY_GET_CONTEXT(route_map_index),
                          "originator-id", argv[idx_ipv4]->arg);
}


DEFUN (no_set_originator_id,
       no_set_originator_id_cmd,
       "no set originator-id [A.B.C.D]",
       NO_STR
       SET_STR
       "BGP originator ID attribute\n"
       "IP address of originator\n")
{
  int idx_id = 3;
  if (argc < idx_id)
    return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                               "originator-id", NULL);
  return generic_set_delete (vty, VTY_GET_CONTEXT(route_map_index),
                             "originator-id", argv[idx_id]->arg);
}


/* Initialization of route map. */
void
bgp_route_map_init (void)
{
  route_map_init ();

  route_map_add_hook (bgp_route_map_add);
  route_map_delete_hook (bgp_route_map_delete);
  route_map_event_hook (bgp_route_map_event);

  route_map_match_interface_hook (generic_match_add);
  route_map_no_match_interface_hook (generic_match_delete);

  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_ip_next_hop_hook (generic_match_add);
  route_map_no_match_ip_next_hop_hook (generic_match_delete);

  route_map_match_ip_next_hop_prefix_list_hook (generic_match_add);
  route_map_no_match_ip_next_hop_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_match_metric_hook (generic_match_add);
  route_map_no_match_metric_hook (generic_match_delete);

  route_map_match_tag_hook (generic_match_add);
  route_map_no_match_tag_hook (generic_match_delete);

  route_map_set_ip_nexthop_hook (generic_set_add);
  route_map_no_set_ip_nexthop_hook (generic_set_delete);

  route_map_set_ipv6_nexthop_local_hook (generic_set_add);
  route_map_no_set_ipv6_nexthop_local_hook (generic_set_delete);

  route_map_set_metric_hook (generic_set_add);
  route_map_no_set_metric_hook (generic_set_delete);

  route_map_set_tag_hook (generic_set_add);
  route_map_no_set_tag_hook (generic_set_delete);

  route_map_install_match (&route_match_peer_cmd);
  route_map_install_match (&route_match_local_pref_cmd);
  route_map_install_match (&route_match_ip_address_cmd);
  route_map_install_match (&route_match_ip_next_hop_cmd);
  route_map_install_match (&route_match_ip_route_source_cmd);
  route_map_install_match (&route_match_ip_address_prefix_list_cmd);
  route_map_install_match (&route_match_ip_next_hop_prefix_list_cmd);
  route_map_install_match (&route_match_ip_route_source_prefix_list_cmd);
  route_map_install_match (&route_match_aspath_cmd);
  route_map_install_match (&route_match_community_cmd);
  route_map_install_match (&route_match_ecommunity_cmd);
  route_map_install_match (&route_match_local_pref_cmd);
  route_map_install_match (&route_match_metric_cmd);
  route_map_install_match (&route_match_origin_cmd);
  route_map_install_match (&route_match_probability_cmd);
  route_map_install_match (&route_match_interface_cmd);
  route_map_install_match (&route_match_tag_cmd);

  route_map_install_set (&route_set_ip_nexthop_cmd);
  route_map_install_set (&route_set_local_pref_cmd);
  route_map_install_set (&route_set_weight_cmd);
  route_map_install_set (&route_set_metric_cmd);
  route_map_install_set (&route_set_aspath_prepend_cmd);
  route_map_install_set (&route_set_aspath_exclude_cmd);
  route_map_install_set (&route_set_origin_cmd);
  route_map_install_set (&route_set_atomic_aggregate_cmd);
  route_map_install_set (&route_set_aggregator_as_cmd);
  route_map_install_set (&route_set_community_cmd);
  route_map_install_set (&route_set_community_delete_cmd);
  route_map_install_set (&route_set_vpnv4_nexthop_cmd);
  route_map_install_set (&route_set_originator_id_cmd);
  route_map_install_set (&route_set_ecommunity_rt_cmd);
  route_map_install_set (&route_set_ecommunity_soo_cmd);
  route_map_install_set (&route_set_tag_cmd);

  install_element (RMAP_NODE, &match_peer_cmd);
  install_element (RMAP_NODE, &match_peer_local_cmd);
  install_element (RMAP_NODE, &no_match_peer_cmd);
  install_element (RMAP_NODE, &match_ip_route_source_cmd);
  install_element (RMAP_NODE, &no_match_ip_route_source_cmd);
  install_element (RMAP_NODE, &match_ip_route_source_prefix_list_cmd);
  install_element (RMAP_NODE, &no_match_ip_route_source_prefix_list_cmd);

  install_element (RMAP_NODE, &match_aspath_cmd);
  install_element (RMAP_NODE, &no_match_aspath_cmd);
  install_element (RMAP_NODE, &match_local_pref_cmd);
  install_element (RMAP_NODE, &no_match_local_pref_cmd);
  install_element (RMAP_NODE, &match_community_cmd);
  install_element (RMAP_NODE, &match_community_exact_cmd);
  install_element (RMAP_NODE, &no_match_community_cmd);
  install_element (RMAP_NODE, &match_ecommunity_cmd);
  install_element (RMAP_NODE, &no_match_ecommunity_cmd);
  install_element (RMAP_NODE, &match_origin_cmd);
  install_element (RMAP_NODE, &no_match_origin_cmd);
  install_element (RMAP_NODE, &match_probability_cmd);
  install_element (RMAP_NODE, &no_match_probability_cmd);

  install_element (RMAP_NODE, &set_ip_nexthop_peer_cmd);
  install_element (RMAP_NODE, &set_ip_nexthop_unchanged_cmd);
  install_element (RMAP_NODE, &set_local_pref_cmd);
  install_element (RMAP_NODE, &no_set_local_pref_cmd);
  install_element (RMAP_NODE, &set_weight_cmd);
  install_element (RMAP_NODE, &no_set_weight_cmd);
  install_element (RMAP_NODE, &set_aspath_prepend_asn_cmd);
  install_element (RMAP_NODE, &set_aspath_prepend_lastas_cmd);
  install_element (RMAP_NODE, &set_aspath_exclude_cmd);
  install_element (RMAP_NODE, &no_set_aspath_prepend_cmd);
  install_element (RMAP_NODE, &no_set_aspath_exclude_cmd);
  install_element (RMAP_NODE, &set_origin_cmd);
  install_element (RMAP_NODE, &no_set_origin_cmd);
  install_element (RMAP_NODE, &set_atomic_aggregate_cmd);
  install_element (RMAP_NODE, &no_set_atomic_aggregate_cmd);
  install_element (RMAP_NODE, &set_aggregator_as_cmd);
  install_element (RMAP_NODE, &no_set_aggregator_as_cmd);
  install_element (RMAP_NODE, &set_community_cmd);
  install_element (RMAP_NODE, &set_community_none_cmd);
  install_element (RMAP_NODE, &no_set_community_cmd);
  install_element (RMAP_NODE, &set_community_delete_cmd);
  install_element (RMAP_NODE, &no_set_community_delete_cmd);
  install_element (RMAP_NODE, &set_ecommunity_rt_cmd);
  install_element (RMAP_NODE, &no_set_ecommunity_rt_cmd);
  install_element (RMAP_NODE, &set_ecommunity_soo_cmd);
  install_element (RMAP_NODE, &no_set_ecommunity_soo_cmd);
  install_element (RMAP_NODE, &set_vpnv4_nexthop_cmd);
  install_element (RMAP_NODE, &no_set_vpnv4_nexthop_cmd);
  install_element (RMAP_NODE, &set_originator_id_cmd);
  install_element (RMAP_NODE, &no_set_originator_id_cmd);

  route_map_install_match (&route_match_ipv6_address_cmd);
  route_map_install_match (&route_match_ipv6_next_hop_cmd);
  route_map_install_match (&route_match_ipv6_address_prefix_list_cmd);
  route_map_install_set (&route_set_ipv6_nexthop_global_cmd);
  route_map_install_set (&route_set_ipv6_nexthop_prefer_global_cmd);
  route_map_install_set (&route_set_ipv6_nexthop_local_cmd);
  route_map_install_set (&route_set_ipv6_nexthop_peer_cmd);

  install_element (RMAP_NODE, &match_ipv6_next_hop_cmd);
  install_element (RMAP_NODE, &no_match_ipv6_next_hop_cmd);
  install_element (RMAP_NODE, &set_ipv6_nexthop_global_cmd);
  install_element (RMAP_NODE, &no_set_ipv6_nexthop_global_cmd);
  install_element (RMAP_NODE, &set_ipv6_nexthop_prefer_global_cmd);
  install_element (RMAP_NODE, &no_set_ipv6_nexthop_prefer_global_cmd);
  install_element (RMAP_NODE, &set_ipv6_nexthop_peer_cmd);
  install_element (RMAP_NODE, &no_set_ipv6_nexthop_peer_cmd);
}

void
bgp_route_map_terminate (void)
{
  /* ToDo: Cleanup all the used memory */

  route_map_add_hook (NULL);
  route_map_delete_hook (NULL);
  route_map_event_hook (NULL);
  route_map_finish();

}