| /* Interface related function for RIP. |
| * Copyright (C) 1997, 98 Kunihiro Ishiguro <kunihiro@zebra.org> |
| * |
| * 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 "command.h" |
| #include "if.h" |
| #include "sockunion.h" |
| #include "prefix.h" |
| #include "memory.h" |
| #include "network.h" |
| #include "table.h" |
| #include "log.h" |
| #include "stream.h" |
| #include "thread.h" |
| #include "zclient.h" |
| #include "filter.h" |
| #include "sockopt.h" |
| #include "privs.h" |
| |
| #include "zebra/connected.h" |
| |
| #include "ripd/ripd.h" |
| #include "ripd/rip_debug.h" |
| |
| void rip_enable_apply (struct interface *); |
| void rip_passive_interface_apply (struct interface *); |
| int rip_if_down(struct interface *ifp); |
| int rip_enable_if_lookup (char *ifname); |
| int rip_enable_network_lookup2 (struct connected *connected); |
| void rip_enable_apply_all (); |
| |
| |
| struct message ri_version_msg[] = |
| { |
| {RI_RIP_VERSION_1, "1"}, |
| {RI_RIP_VERSION_2, "2"}, |
| {RI_RIP_VERSION_1_AND_2, "1 2"}, |
| {0, NULL} |
| }; |
| |
| extern struct zebra_privs_t ripd_privs; |
| |
| /* RIP enabled network vector. */ |
| vector rip_enable_interface; |
| |
| /* RIP enabled interface table. */ |
| struct route_table *rip_enable_network; |
| |
| /* Vector to store passive-interface name. */ |
| vector Vrip_passive_interface; |
| |
| /* Join to the RIP version 2 multicast group. */ |
| int |
| ipv4_multicast_join (int sock, |
| struct in_addr group, |
| struct in_addr ifa, |
| unsigned int ifindex) |
| { |
| int ret; |
| |
| ret = setsockopt_multicast_ipv4 (sock, |
| IP_ADD_MEMBERSHIP, |
| ifa, |
| group.s_addr, |
| ifindex); |
| |
| if (ret < 0) |
| zlog (NULL, LOG_INFO, "can't setsockopt IP_ADD_MEMBERSHIP %s", |
| strerror (errno)); |
| |
| return ret; |
| } |
| |
| /* Leave from the RIP version 2 multicast group. */ |
| int |
| ipv4_multicast_leave (int sock, |
| struct in_addr group, |
| struct in_addr ifa, |
| unsigned int ifindex) |
| { |
| int ret; |
| |
| ret = setsockopt_multicast_ipv4 (sock, |
| IP_DROP_MEMBERSHIP, |
| ifa, |
| group.s_addr, |
| ifindex); |
| |
| if (ret < 0) |
| zlog (NULL, LOG_INFO, "can't setsockopt IP_DROP_MEMBERSHIP"); |
| |
| return ret; |
| } |
| |
| /* Allocate new RIP's interface configuration. */ |
| struct rip_interface * |
| rip_interface_new () |
| { |
| struct rip_interface *ri; |
| |
| ri = XMALLOC (MTYPE_RIP_INTERFACE, sizeof (struct rip_interface)); |
| memset (ri, 0, sizeof (struct rip_interface)); |
| |
| /* Default authentication type is simple password for Cisco |
| compatibility. */ |
| /* ri->auth_type = RIP_NO_AUTH; */ |
| ri->auth_type = RIP_AUTH_SIMPLE_PASSWORD; |
| |
| /* Set default split-horizon behavior. If the interface is Frame |
| Relay or SMDS is enabled, the default value for split-horizon is |
| off. But currently Zebra does detect Frame Relay or SMDS |
| interface. So all interface is set to split horizon. */ |
| ri->split_horizon_default = RIP_SPLIT_HORIZON; |
| ri->split_horizon = ri->split_horizon_default; |
| |
| return ri; |
| } |
| |
| void |
| rip_interface_multicast_set (int sock, struct interface *ifp) |
| { |
| int ret; |
| listnode node; |
| struct servent *sp; |
| struct sockaddr_in from; |
| |
| for (node = listhead (ifp->connected); node; nextnode (node)) |
| { |
| struct prefix_ipv4 *p; |
| struct connected *connected; |
| struct in_addr addr; |
| |
| connected = getdata (node); |
| p = (struct prefix_ipv4 *) connected->address; |
| |
| if (p->family == AF_INET) |
| { |
| addr = p->prefix; |
| |
| if (setsockopt_multicast_ipv4 (sock, IP_MULTICAST_IF, |
| addr, 0, ifp->ifindex) < 0) |
| { |
| zlog_warn ("Can't setsockopt IP_MULTICAST_IF to fd %d", sock); |
| return; |
| } |
| |
| /* Bind myself. */ |
| memset (&from, 0, sizeof (struct sockaddr_in)); |
| |
| /* Set RIP port. */ |
| sp = getservbyname ("router", "udp"); |
| if (sp) |
| from.sin_port = sp->s_port; |
| else |
| from.sin_port = htons (RIP_PORT_DEFAULT); |
| |
| /* Address shoud be any address. */ |
| from.sin_family = AF_INET; |
| from.sin_addr = addr; |
| #ifdef HAVE_SIN_LEN |
| from.sin_len = sizeof (struct sockaddr_in); |
| #endif /* HAVE_SIN_LEN */ |
| |
| if (ripd_privs.change (ZPRIVS_RAISE)) |
| zlog_err ("rip_interface_multicast_set: could not raise privs"); |
| |
| ret = bind (sock, (struct sockaddr *) & from, |
| sizeof (struct sockaddr_in)); |
| if (ret < 0) |
| { |
| zlog_warn ("Can't bind socket: %s", strerror (errno)); |
| return; |
| } |
| |
| if (ripd_privs.change (ZPRIVS_LOWER)) |
| zlog_err ("rip_interface_multicast_set: could not lower privs"); |
| |
| return; |
| |
| } |
| } |
| } |
| |
| /* Send RIP request packet to specified interface. */ |
| void |
| rip_request_interface_send (struct interface *ifp, u_char version) |
| { |
| struct sockaddr_in to; |
| |
| /* RIPv2 support multicast. */ |
| if (version == RIPv2 && if_is_multicast (ifp)) |
| { |
| |
| if (IS_RIP_DEBUG_EVENT) |
| zlog_info ("multicast request on %s", ifp->name); |
| |
| rip_request_send (NULL, ifp, version); |
| return; |
| } |
| |
| /* RIPv1 and non multicast interface. */ |
| if (if_is_pointopoint (ifp) || if_is_broadcast (ifp)) |
| { |
| listnode cnode; |
| |
| if (IS_RIP_DEBUG_EVENT) |
| zlog_info ("broadcast request to %s", ifp->name); |
| |
| for (cnode = listhead (ifp->connected); cnode; nextnode (cnode)) |
| { |
| struct prefix_ipv4 *p; |
| struct connected *connected; |
| |
| connected = getdata (cnode); |
| p = (struct prefix_ipv4 *) connected->destination; |
| |
| if (p->family == AF_INET) |
| { |
| memset (&to, 0, sizeof (struct sockaddr_in)); |
| to.sin_port = htons (RIP_PORT_DEFAULT); |
| to.sin_addr = p->prefix; |
| |
| if (IS_RIP_DEBUG_EVENT) |
| zlog_info ("SEND request to %s", inet_ntoa (to.sin_addr)); |
| |
| rip_request_send (&to, ifp, version); |
| } |
| } |
| } |
| } |
| |
| /* This will be executed when interface goes up. */ |
| void |
| rip_request_interface (struct interface *ifp) |
| { |
| struct rip_interface *ri; |
| |
| /* In default ripd doesn't send RIP_REQUEST to the loopback interface. */ |
| if (if_is_loopback (ifp)) |
| return; |
| |
| /* If interface is down, don't send RIP packet. */ |
| if (! if_is_operative (ifp)) |
| return; |
| |
| /* Fetch RIP interface information. */ |
| ri = ifp->info; |
| |
| |
| /* If there is no version configuration in the interface, |
| use rip's version setting. */ |
| if (ri->ri_send == RI_RIP_UNSPEC) |
| { |
| if (rip->version == RIPv1) |
| rip_request_interface_send (ifp, RIPv1); |
| else |
| rip_request_interface_send (ifp, RIPv2); |
| } |
| /* If interface has RIP version configuration use it. */ |
| else |
| { |
| if (ri->ri_send & RIPv1) |
| rip_request_interface_send (ifp, RIPv1); |
| if (ri->ri_send & RIPv2) |
| rip_request_interface_send (ifp, RIPv2); |
| } |
| } |
| |
| /* Send RIP request to the neighbor. */ |
| void |
| rip_request_neighbor (struct in_addr addr) |
| { |
| struct sockaddr_in to; |
| |
| memset (&to, 0, sizeof (struct sockaddr_in)); |
| to.sin_port = htons (RIP_PORT_DEFAULT); |
| to.sin_addr = addr; |
| |
| rip_request_send (&to, NULL, rip->version); |
| } |
| |
| /* Request routes at all interfaces. */ |
| void |
| rip_request_neighbor_all () |
| { |
| struct route_node *rp; |
| |
| if (! rip) |
| return; |
| |
| if (IS_RIP_DEBUG_EVENT) |
| zlog_info ("request to the all neighbor"); |
| |
| /* Send request to all neighbor. */ |
| for (rp = route_top (rip->neighbor); rp; rp = route_next (rp)) |
| if (rp->info) |
| rip_request_neighbor (rp->p.u.prefix4); |
| } |
| |
| /* Multicast packet receive socket. */ |
| int |
| rip_multicast_join (struct interface *ifp, int sock) |
| { |
| listnode cnode; |
| |
| if (if_is_operative (ifp) && if_is_multicast (ifp)) |
| { |
| if (IS_RIP_DEBUG_EVENT) |
| zlog_info ("multicast join at %s", ifp->name); |
| |
| for (cnode = listhead (ifp->connected); cnode; nextnode (cnode)) |
| { |
| struct prefix_ipv4 *p; |
| struct connected *connected; |
| struct in_addr group; |
| |
| connected = getdata (cnode); |
| p = (struct prefix_ipv4 *) connected->address; |
| |
| if (p->family != AF_INET) |
| continue; |
| |
| group.s_addr = htonl (INADDR_RIP_GROUP); |
| if (ipv4_multicast_join (sock, group, p->prefix, ifp->ifindex) < 0) |
| return -1; |
| else |
| return 0; |
| } |
| } |
| return 0; |
| } |
| |
| /* Leave from multicast group. */ |
| void |
| rip_multicast_leave (struct interface *ifp, int sock) |
| { |
| listnode cnode; |
| |
| if (if_is_up (ifp) && if_is_multicast (ifp)) |
| { |
| if (IS_RIP_DEBUG_EVENT) |
| zlog_info ("multicast leave from %s", ifp->name); |
| |
| for (cnode = listhead (ifp->connected); cnode; nextnode (cnode)) |
| { |
| struct prefix_ipv4 *p; |
| struct connected *connected; |
| struct in_addr group; |
| |
| connected = getdata (cnode); |
| p = (struct prefix_ipv4 *) connected->address; |
| |
| if (p->family != AF_INET) |
| continue; |
| |
| group.s_addr = htonl (INADDR_RIP_GROUP); |
| if (ipv4_multicast_leave (sock, group, p->prefix, ifp->ifindex) == 0) |
| return; |
| } |
| } |
| } |
| |
| /* Is there and address on interface that I could use ? */ |
| int |
| rip_if_ipv4_address_check (struct interface *ifp) |
| { |
| struct listnode *nn; |
| struct connected *connected; |
| int count = 0; |
| |
| for (nn = listhead (ifp->connected); nn; nextnode (nn)) |
| if ((connected = getdata (nn)) != NULL) |
| { |
| struct prefix *p; |
| |
| p = connected->address; |
| |
| if (p->family == AF_INET) |
| { |
| count++; |
| } |
| } |
| |
| return count; |
| } |
| |
| /* Inteface link down message processing. */ |
| int |
| rip_interface_down (int command, struct zclient *zclient, zebra_size_t length) |
| { |
| struct interface *ifp; |
| struct stream *s; |
| |
| s = zclient->ibuf; |
| |
| /* zebra_interface_state_read() updates interface structure in |
| iflist. */ |
| ifp = zebra_interface_state_read(s); |
| |
| if (ifp == NULL) |
| return 0; |
| |
| rip_if_down(ifp); |
| |
| if (IS_RIP_DEBUG_ZEBRA) |
| zlog_info ("interface %s index %d flags %ld metric %d mtu %d is down", |
| ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mtu); |
| |
| return 0; |
| } |
| |
| /* Inteface link up message processing */ |
| int |
| rip_interface_up (int command, struct zclient *zclient, zebra_size_t length) |
| { |
| struct interface *ifp; |
| |
| /* zebra_interface_state_read () updates interface structure in |
| iflist. */ |
| ifp = zebra_interface_state_read (zclient->ibuf); |
| |
| if (ifp == NULL) |
| return 0; |
| |
| if (IS_RIP_DEBUG_ZEBRA) |
| zlog_info ("interface %s index %d flags %ld metric %d mtu %d is up", |
| ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mtu); |
| |
| /* Check if this interface is RIP enabled or not.*/ |
| rip_enable_apply (ifp); |
| |
| /* Check for a passive interface */ |
| rip_passive_interface_apply (ifp); |
| |
| /* Apply distribute list to the all interface. */ |
| rip_distribute_update_interface (ifp); |
| |
| return 0; |
| } |
| |
| /* Inteface addition message from zebra. */ |
| int |
| rip_interface_add (int command, struct zclient *zclient, zebra_size_t length) |
| { |
| struct interface *ifp; |
| |
| ifp = zebra_interface_add_read (zclient->ibuf); |
| |
| if (IS_RIP_DEBUG_ZEBRA) |
| zlog_info ("interface add %s index %d flags %ld metric %d mtu %d", |
| ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mtu); |
| |
| /* Check if this interface is RIP enabled or not.*/ |
| rip_enable_apply (ifp); |
| |
| /* Apply distribute list to the all interface. */ |
| rip_distribute_update_interface (ifp); |
| |
| /* rip_request_neighbor_all (); */ |
| |
| /* Check interface routemap. */ |
| rip_if_rmap_update_interface (ifp); |
| |
| return 0; |
| } |
| |
| int |
| rip_interface_delete (int command, struct zclient *zclient, |
| zebra_size_t length) |
| { |
| struct interface *ifp; |
| struct stream *s; |
| |
| |
| s = zclient->ibuf; |
| /* zebra_interface_state_read() updates interface structure in iflist */ |
| ifp = zebra_interface_state_read(s); |
| |
| if (ifp == NULL) |
| return 0; |
| |
| if (if_is_up (ifp)) { |
| rip_if_down(ifp); |
| } |
| |
| zlog_info("interface delete %s index %d flags %ld metric %d mtu %d", |
| ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mtu); |
| |
| /* To support pseudo interface do not free interface structure. */ |
| /* if_delete(ifp); */ |
| |
| return 0; |
| } |
| |
| void |
| rip_interface_clean () |
| { |
| listnode node; |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| for (node = listhead (iflist); node; nextnode (node)) |
| { |
| ifp = getdata (node); |
| ri = ifp->info; |
| |
| ri->enable_network = 0; |
| ri->enable_interface = 0; |
| ri->running = 0; |
| |
| if (ri->t_wakeup) |
| { |
| thread_cancel (ri->t_wakeup); |
| ri->t_wakeup = NULL; |
| } |
| } |
| } |
| |
| void |
| rip_interface_reset () |
| { |
| listnode node; |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| for (node = listhead (iflist); node; nextnode (node)) |
| { |
| ifp = getdata (node); |
| ri = ifp->info; |
| |
| ri->enable_network = 0; |
| ri->enable_interface = 0; |
| ri->running = 0; |
| |
| ri->ri_send = RI_RIP_UNSPEC; |
| ri->ri_receive = RI_RIP_UNSPEC; |
| |
| /* ri->auth_type = RIP_NO_AUTH; */ |
| ri->auth_type = RIP_AUTH_SIMPLE_PASSWORD; |
| |
| if (ri->auth_str) |
| { |
| free (ri->auth_str); |
| ri->auth_str = NULL; |
| } |
| if (ri->key_chain) |
| { |
| free (ri->key_chain); |
| ri->key_chain = NULL; |
| } |
| |
| ri->split_horizon = RIP_NO_SPLIT_HORIZON; |
| ri->split_horizon_default = RIP_NO_SPLIT_HORIZON; |
| |
| ri->list[RIP_FILTER_IN] = NULL; |
| ri->list[RIP_FILTER_OUT] = NULL; |
| |
| ri->prefix[RIP_FILTER_IN] = NULL; |
| ri->prefix[RIP_FILTER_OUT] = NULL; |
| |
| if (ri->t_wakeup) |
| { |
| thread_cancel (ri->t_wakeup); |
| ri->t_wakeup = NULL; |
| } |
| |
| ri->recv_badpackets = 0; |
| ri->recv_badroutes = 0; |
| ri->sent_updates = 0; |
| |
| ri->passive = 0; |
| } |
| } |
| |
| int |
| rip_if_down(struct interface *ifp) |
| { |
| struct route_node *rp; |
| struct rip_info *rinfo; |
| struct rip_interface *ri = NULL; |
| if (rip) |
| { |
| for (rp = route_top (rip->table); rp; rp = route_next (rp)) |
| if ((rinfo = rp->info) != NULL) |
| { |
| /* Routes got through this interface. */ |
| if (rinfo->ifindex == ifp->ifindex && |
| rinfo->type == ZEBRA_ROUTE_RIP && |
| rinfo->sub_type == RIP_ROUTE_RTE) |
| { |
| rip_zebra_ipv4_delete ((struct prefix_ipv4 *) &rp->p, |
| &rinfo->nexthop, |
| rinfo->ifindex); |
| |
| rip_redistribute_delete (rinfo->type,rinfo->sub_type, |
| (struct prefix_ipv4 *)&rp->p, |
| rinfo->ifindex); |
| } |
| else |
| { |
| /* All redistributed routes but static and system */ |
| if ((rinfo->ifindex == ifp->ifindex) && |
| /* (rinfo->type != ZEBRA_ROUTE_STATIC) && */ |
| (rinfo->type != ZEBRA_ROUTE_SYSTEM)) |
| rip_redistribute_delete (rinfo->type,rinfo->sub_type, |
| (struct prefix_ipv4 *)&rp->p, |
| rinfo->ifindex); |
| } |
| } |
| } |
| |
| ri = ifp->info; |
| |
| if (ri->running) |
| { |
| if (IS_RIP_DEBUG_EVENT) |
| zlog_info ("turn off %s", ifp->name); |
| |
| /* Leave from multicast group. */ |
| rip_multicast_leave (ifp, rip->sock); |
| |
| ri->running = 0; |
| } |
| |
| return 0; |
| } |
| |
| /* Needed for stop RIP process. */ |
| void |
| rip_if_down_all () |
| { |
| struct interface *ifp; |
| listnode node; |
| |
| for (node = listhead (iflist); node; nextnode (node)) |
| { |
| ifp = getdata (node); |
| rip_if_down (ifp); |
| } |
| } |
| |
| static void |
| rip_apply_address_add (struct connected *ifc) { |
| struct prefix_ipv4 address; |
| struct prefix *p; |
| |
| if (!rip) |
| return; |
| |
| if (! if_is_up(ifc->ifp)) |
| return; |
| |
| p = ifc->address; |
| |
| memset (&address, 0, sizeof (address)); |
| address.family = p->family; |
| address.prefix = p->u.prefix4; |
| address.prefixlen = p->prefixlen; |
| apply_mask_ipv4(&address); |
| |
| /* Check if this interface is RIP enabled or not |
| or Check if this address's prefix is RIP enabled */ |
| if ((rip_enable_if_lookup(ifc->ifp->name) >= 0) || |
| (rip_enable_network_lookup2(ifc) >= 0)) |
| rip_redistribute_add(ZEBRA_ROUTE_CONNECT, RIP_ROUTE_INTERFACE, |
| &address, ifc->ifp->ifindex, NULL); |
| |
| } |
| |
| int |
| rip_interface_address_add (int command, struct zclient *zclient, |
| zebra_size_t length) |
| { |
| struct connected *ifc; |
| struct prefix *p; |
| |
| ifc = zebra_interface_address_add_read (zclient->ibuf); |
| |
| if (ifc == NULL) |
| return 0; |
| |
| p = ifc->address; |
| |
| if (p->family == AF_INET) |
| { |
| if (IS_RIP_DEBUG_ZEBRA) |
| zlog_info ("connected address %s/%d is added", |
| inet_ntoa (p->u.prefix4), p->prefixlen); |
| |
| /* Check if this prefix needs to be redistributed */ |
| rip_apply_address_add(ifc); |
| |
| #ifdef HAVE_SNMP |
| rip_ifaddr_add (ifc->ifp, ifc); |
| #endif /* HAVE_SNMP */ |
| } |
| |
| return 0; |
| } |
| |
| static void |
| rip_apply_address_del (struct connected *ifc) { |
| struct prefix_ipv4 address; |
| struct prefix *p; |
| |
| if (!rip) |
| return; |
| |
| if (! if_is_up(ifc->ifp)) |
| return; |
| |
| p = ifc->address; |
| |
| memset (&address, 0, sizeof (address)); |
| address.family = p->family; |
| address.prefix = p->u.prefix4; |
| address.prefixlen = p->prefixlen; |
| apply_mask_ipv4(&address); |
| |
| rip_redistribute_delete(ZEBRA_ROUTE_CONNECT, RIP_ROUTE_INTERFACE, |
| &address, ifc->ifp->ifindex); |
| } |
| |
| int |
| rip_interface_address_delete (int command, struct zclient *zclient, |
| zebra_size_t length) |
| { |
| struct connected *ifc; |
| struct prefix *p; |
| |
| ifc = zebra_interface_address_delete_read (zclient->ibuf); |
| |
| if (ifc) |
| { |
| p = ifc->address; |
| if (p->family == AF_INET) |
| { |
| if (IS_RIP_DEBUG_ZEBRA) |
| |
| zlog_info ("connected address %s/%d is deleted", |
| inet_ntoa (p->u.prefix4), p->prefixlen); |
| |
| #ifdef HAVE_SNMP |
| rip_ifaddr_delete (ifc->ifp, ifc); |
| #endif /* HAVE_SNMP */ |
| |
| /* Chech wether this prefix needs to be removed */ |
| rip_apply_address_del(ifc); |
| |
| } |
| |
| connected_free (ifc); |
| |
| } |
| |
| return 0; |
| } |
| |
| /* Check interface is enabled by network statement. */ |
| /* Check wether the interface has at least a connected prefix that |
| * is within the ripng_enable_network table. */ |
| int |
| rip_enable_network_lookup_if (struct interface *ifp) |
| { |
| struct listnode *nn; |
| struct connected *connected; |
| struct prefix_ipv4 address; |
| |
| for (nn = listhead (ifp->connected); nn; nextnode (nn)) |
| if ((connected = getdata (nn)) != NULL) |
| { |
| struct prefix *p; |
| struct route_node *node; |
| |
| p = connected->address; |
| |
| if (p->family == AF_INET) |
| { |
| address.family = AF_INET; |
| address.prefix = p->u.prefix4; |
| address.prefixlen = IPV4_MAX_BITLEN; |
| |
| node = route_node_match (rip_enable_network, |
| (struct prefix *)&address); |
| if (node) |
| { |
| route_unlock_node (node); |
| return 1; |
| } |
| } |
| } |
| return -1; |
| } |
| |
| /* Check wether connected is within the ripng_enable_network table. */ |
| int |
| rip_enable_network_lookup2 (struct connected *connected) |
| { |
| struct prefix_ipv4 address; |
| struct prefix *p; |
| |
| p = connected->address; |
| |
| if (p->family == AF_INET) { |
| struct route_node *node; |
| |
| address.family = p->family; |
| address.prefix = p->u.prefix4; |
| address.prefixlen = IPV4_MAX_BITLEN; |
| |
| /* LPM on p->family, p->u.prefix4/IPV4_MAX_BITLEN within rip_enable_network */ |
| node = route_node_match (rip_enable_network, |
| (struct prefix *)&address); |
| |
| if (node) { |
| route_unlock_node (node); |
| return 1; |
| } |
| } |
| |
| return -1; |
| } |
| /* Add RIP enable network. */ |
| int |
| rip_enable_network_add (struct prefix *p) |
| { |
| struct route_node *node; |
| |
| node = route_node_get (rip_enable_network, p); |
| |
| if (node->info) |
| { |
| route_unlock_node (node); |
| return -1; |
| } |
| else |
| node->info = "enabled"; |
| |
| /* XXX: One should find a better solution than a generic one */ |
| rip_enable_apply_all(); |
| |
| return 1; |
| } |
| |
| /* Delete RIP enable network. */ |
| int |
| rip_enable_network_delete (struct prefix *p) |
| { |
| struct route_node *node; |
| |
| node = route_node_lookup (rip_enable_network, p); |
| if (node) |
| { |
| node->info = NULL; |
| |
| /* Unlock info lock. */ |
| route_unlock_node (node); |
| |
| /* Unlock lookup lock. */ |
| route_unlock_node (node); |
| |
| /* XXX: One should find a better solution than a generic one */ |
| rip_enable_apply_all (); |
| |
| return 1; |
| } |
| return -1; |
| } |
| |
| /* Check interface is enabled by ifname statement. */ |
| int |
| rip_enable_if_lookup (char *ifname) |
| { |
| int i; |
| char *str; |
| |
| for (i = 0; i < vector_max (rip_enable_interface); i++) |
| if ((str = vector_slot (rip_enable_interface, i)) != NULL) |
| if (strcmp (str, ifname) == 0) |
| return i; |
| return -1; |
| } |
| |
| /* Add interface to rip_enable_if. */ |
| int |
| rip_enable_if_add (char *ifname) |
| { |
| int ret; |
| |
| ret = rip_enable_if_lookup (ifname); |
| if (ret >= 0) |
| return -1; |
| |
| vector_set (rip_enable_interface, strdup (ifname)); |
| |
| rip_enable_apply_all(); /* TODOVJ */ |
| |
| return 1; |
| } |
| |
| /* Delete interface from rip_enable_if. */ |
| int |
| rip_enable_if_delete (char *ifname) |
| { |
| int index; |
| char *str; |
| |
| index = rip_enable_if_lookup (ifname); |
| if (index < 0) |
| return -1; |
| |
| str = vector_slot (rip_enable_interface, index); |
| free (str); |
| vector_unset (rip_enable_interface, index); |
| |
| rip_enable_apply_all(); /* TODOVJ */ |
| |
| return 1; |
| } |
| |
| /* Join to multicast group and send request to the interface. */ |
| int |
| rip_interface_wakeup (struct thread *t) |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| /* Get interface. */ |
| ifp = THREAD_ARG (t); |
| |
| ri = ifp->info; |
| ri->t_wakeup = NULL; |
| |
| /* Join to multicast group. */ |
| if (rip_multicast_join (ifp, rip->sock) < 0) |
| { |
| zlog_err ("multicast join failed, interface %s not running", ifp->name); |
| return 0; |
| } |
| |
| /* Set running flag. */ |
| ri->running = 1; |
| |
| /* Send RIP request to the interface. */ |
| rip_request_interface (ifp); |
| |
| return 0; |
| } |
| |
| int rip_redistribute_check (int); |
| |
| void |
| rip_connect_set (struct interface *ifp, int set) |
| { |
| struct listnode *nn; |
| struct connected *connected; |
| struct prefix_ipv4 address; |
| |
| for (nn = listhead (ifp->connected); nn; nextnode (nn)) |
| if ((connected = getdata (nn)) != NULL) |
| { |
| struct prefix *p; |
| p = connected->address; |
| |
| if (p->family != AF_INET) |
| continue; |
| |
| address.family = AF_INET; |
| address.prefix = p->u.prefix4; |
| address.prefixlen = p->prefixlen; |
| apply_mask_ipv4 (&address); |
| |
| if (set) { |
| /* Check once more wether this prefix is within a "network IF_OR_PREF" one */ |
| if ((rip_enable_if_lookup(connected->ifp->name) >= 0) || |
| (rip_enable_network_lookup2(connected) >= 0)) |
| rip_redistribute_add (ZEBRA_ROUTE_CONNECT, RIP_ROUTE_INTERFACE, |
| &address, connected->ifp->ifindex, NULL); |
| } else |
| { |
| rip_redistribute_delete (ZEBRA_ROUTE_CONNECT, RIP_ROUTE_INTERFACE, |
| &address, connected->ifp->ifindex); |
| if (rip_redistribute_check (ZEBRA_ROUTE_CONNECT)) |
| rip_redistribute_add (ZEBRA_ROUTE_CONNECT, RIP_ROUTE_REDISTRIBUTE, |
| &address, connected->ifp->ifindex, NULL); |
| } |
| } |
| } |
| |
| /* Update interface status. */ |
| void |
| rip_enable_apply (struct interface *ifp) |
| { |
| int ret; |
| struct rip_interface *ri = NULL; |
| |
| /* Check interface. */ |
| if (! if_is_operative (ifp)) |
| return; |
| |
| ri = ifp->info; |
| |
| /* Check network configuration. */ |
| ret = rip_enable_network_lookup_if (ifp); |
| |
| /* If the interface is matched. */ |
| if (ret > 0) |
| ri->enable_network = 1; |
| else |
| ri->enable_network = 0; |
| |
| /* Check interface name configuration. */ |
| ret = rip_enable_if_lookup (ifp->name); |
| if (ret >= 0) |
| ri->enable_interface = 1; |
| else |
| ri->enable_interface = 0; |
| |
| /* any interface MUST have an IPv4 address */ |
| if ( ! rip_if_ipv4_address_check (ifp) ) |
| { |
| ri->enable_network = 0; |
| ri->enable_interface = 0; |
| } |
| |
| /* Update running status of the interface. */ |
| if (ri->enable_network || ri->enable_interface) |
| { |
| { |
| if (IS_RIP_DEBUG_EVENT) |
| zlog_info ("turn on %s", ifp->name); |
| |
| /* Add interface wake up thread. */ |
| if (! ri->t_wakeup) |
| ri->t_wakeup = thread_add_timer (master, rip_interface_wakeup, |
| ifp, 1); |
| rip_connect_set (ifp, 1); |
| } |
| } |
| else |
| { |
| if (ri->running) |
| { |
| /* Might as well clean up the route table as well |
| * rip_if_down sets to 0 ri->running, and displays "turn off %s" |
| **/ |
| rip_if_down(ifp); |
| |
| rip_connect_set (ifp, 0); |
| } |
| } |
| } |
| |
| /* Apply network configuration to all interface. */ |
| void |
| rip_enable_apply_all () |
| { |
| struct interface *ifp; |
| listnode node; |
| |
| /* Check each interface. */ |
| for (node = listhead (iflist); node; nextnode (node)) |
| { |
| ifp = getdata (node); |
| rip_enable_apply (ifp); |
| } |
| } |
| |
| int |
| rip_neighbor_lookup (struct sockaddr_in *from) |
| { |
| struct prefix_ipv4 p; |
| struct route_node *node; |
| |
| memset (&p, 0, sizeof (struct prefix_ipv4)); |
| p.family = AF_INET; |
| p.prefix = from->sin_addr; |
| p.prefixlen = IPV4_MAX_BITLEN; |
| |
| node = route_node_lookup (rip->neighbor, (struct prefix *) &p); |
| if (node) |
| { |
| route_unlock_node (node); |
| return 1; |
| } |
| return 0; |
| } |
| |
| /* Add new RIP neighbor to the neighbor tree. */ |
| int |
| rip_neighbor_add (struct prefix_ipv4 *p) |
| { |
| struct route_node *node; |
| |
| node = route_node_get (rip->neighbor, (struct prefix *) p); |
| |
| if (node->info) |
| return -1; |
| |
| node->info = rip->neighbor; |
| |
| return 0; |
| } |
| |
| /* Delete RIP neighbor from the neighbor tree. */ |
| int |
| rip_neighbor_delete (struct prefix_ipv4 *p) |
| { |
| struct route_node *node; |
| |
| /* Lock for look up. */ |
| node = route_node_lookup (rip->neighbor, (struct prefix *) p); |
| if (! node) |
| return -1; |
| |
| node->info = NULL; |
| |
| /* Unlock lookup lock. */ |
| route_unlock_node (node); |
| |
| /* Unlock real neighbor information lock. */ |
| route_unlock_node (node); |
| |
| return 0; |
| } |
| |
| /* Clear all network and neighbor configuration. */ |
| void |
| rip_clean_network () |
| { |
| int i; |
| char *str; |
| struct route_node *rn; |
| |
| /* rip_enable_network. */ |
| for (rn = route_top (rip_enable_network); rn; rn = route_next (rn)) |
| if (rn->info) |
| { |
| rn->info = NULL; |
| route_unlock_node (rn); |
| } |
| |
| /* rip_enable_interface. */ |
| for (i = 0; i < vector_max (rip_enable_interface); i++) |
| if ((str = vector_slot (rip_enable_interface, i)) != NULL) |
| { |
| free (str); |
| vector_slot (rip_enable_interface, i) = NULL; |
| } |
| } |
| |
| /* Utility function for looking up passive interface settings. */ |
| int |
| rip_passive_interface_lookup (char *ifname) |
| { |
| int i; |
| char *str; |
| |
| for (i = 0; i < vector_max (Vrip_passive_interface); i++) |
| if ((str = vector_slot (Vrip_passive_interface, i)) != NULL) |
| if (strcmp (str, ifname) == 0) |
| return i; |
| return -1; |
| } |
| |
| void |
| rip_passive_interface_apply (struct interface *ifp) |
| { |
| int ret; |
| struct rip_interface *ri; |
| |
| ri = ifp->info; |
| |
| ret = rip_passive_interface_lookup (ifp->name); |
| if (ret < 0) |
| ri->passive = 0; |
| else |
| ri->passive = 1; |
| } |
| |
| void |
| rip_passive_interface_apply_all () |
| { |
| struct interface *ifp; |
| listnode node; |
| |
| for (node = listhead (iflist); node; nextnode (node)) |
| { |
| ifp = getdata (node); |
| rip_passive_interface_apply (ifp); |
| } |
| } |
| |
| /* Passive interface. */ |
| int |
| rip_passive_interface_set (struct vty *vty, char *ifname) |
| { |
| if (rip_passive_interface_lookup (ifname) >= 0) |
| return CMD_WARNING; |
| |
| vector_set (Vrip_passive_interface, strdup (ifname)); |
| |
| rip_passive_interface_apply_all (); |
| |
| return CMD_SUCCESS; |
| } |
| |
| int |
| rip_passive_interface_unset (struct vty *vty, char *ifname) |
| { |
| int i; |
| char *str; |
| |
| i = rip_passive_interface_lookup (ifname); |
| if (i < 0) |
| return CMD_WARNING; |
| |
| str = vector_slot (Vrip_passive_interface, i); |
| free (str); |
| vector_unset (Vrip_passive_interface, i); |
| |
| rip_passive_interface_apply_all (); |
| |
| return CMD_SUCCESS; |
| } |
| |
| /* Free all configured RIP passive-interface settings. */ |
| void |
| rip_passive_interface_clean () |
| { |
| int i; |
| char *str; |
| |
| for (i = 0; i < vector_max (Vrip_passive_interface); i++) |
| if ((str = vector_slot (Vrip_passive_interface, i)) != NULL) |
| { |
| free (str); |
| vector_slot (Vrip_passive_interface, i) = NULL; |
| } |
| rip_passive_interface_apply_all (); |
| } |
| |
| /* RIP enable network or interface configuration. */ |
| DEFUN (rip_network, |
| rip_network_cmd, |
| "network (A.B.C.D/M|WORD)", |
| "Enable routing on an IP network\n" |
| "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" |
| "Interface name\n") |
| { |
| int ret; |
| struct prefix_ipv4 p; |
| |
| ret = str2prefix_ipv4 (argv[0], &p); |
| |
| if (ret) |
| ret = rip_enable_network_add ((struct prefix *) &p); |
| else |
| ret = rip_enable_if_add (argv[0]); |
| |
| if (ret < 0) |
| { |
| vty_out (vty, "There is a same network configuration %s%s", argv[0], |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| /* RIP enable network or interface configuration. */ |
| DEFUN (no_rip_network, |
| no_rip_network_cmd, |
| "no network (A.B.C.D/M|WORD)", |
| NO_STR |
| "Enable routing on an IP network\n" |
| "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" |
| "Interface name\n") |
| { |
| int ret; |
| struct prefix_ipv4 p; |
| |
| ret = str2prefix_ipv4 (argv[0], &p); |
| |
| if (ret) |
| ret = rip_enable_network_delete ((struct prefix *) &p); |
| else |
| ret = rip_enable_if_delete (argv[0]); |
| |
| if (ret < 0) |
| { |
| vty_out (vty, "Can't find network configuration %s%s", argv[0], |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| /* RIP neighbor configuration set. */ |
| DEFUN (rip_neighbor, |
| rip_neighbor_cmd, |
| "neighbor A.B.C.D", |
| "Specify a neighbor router\n" |
| "Neighbor address\n") |
| { |
| int ret; |
| struct prefix_ipv4 p; |
| |
| ret = str2prefix_ipv4 (argv[0], &p); |
| |
| if (ret <= 0) |
| { |
| vty_out (vty, "Please specify address by A.B.C.D%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| rip_neighbor_add (&p); |
| |
| return CMD_SUCCESS; |
| } |
| |
| /* RIP neighbor configuration unset. */ |
| DEFUN (no_rip_neighbor, |
| no_rip_neighbor_cmd, |
| "no neighbor A.B.C.D", |
| NO_STR |
| "Specify a neighbor router\n" |
| "Neighbor address\n") |
| { |
| int ret; |
| struct prefix_ipv4 p; |
| |
| ret = str2prefix_ipv4 (argv[0], &p); |
| |
| if (ret <= 0) |
| { |
| vty_out (vty, "Please specify address by A.B.C.D%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| rip_neighbor_delete (&p); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (ip_rip_receive_version, |
| ip_rip_receive_version_cmd, |
| "ip rip receive version (1|2)", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement reception\n" |
| "Version control\n" |
| "RIP version 1\n" |
| "RIP version 2\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| /* Version 1. */ |
| if (atoi (argv[0]) == 1) |
| { |
| ri->ri_receive = RI_RIP_VERSION_1; |
| return CMD_SUCCESS; |
| } |
| if (atoi (argv[0]) == 2) |
| { |
| ri->ri_receive = RI_RIP_VERSION_2; |
| return CMD_SUCCESS; |
| } |
| return CMD_WARNING; |
| } |
| |
| DEFUN (ip_rip_receive_version_1, |
| ip_rip_receive_version_1_cmd, |
| "ip rip receive version 1 2", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement reception\n" |
| "Version control\n" |
| "RIP version 1\n" |
| "RIP version 2\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| /* Version 1 and 2. */ |
| ri->ri_receive = RI_RIP_VERSION_1_AND_2; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (ip_rip_receive_version_2, |
| ip_rip_receive_version_2_cmd, |
| "ip rip receive version 2 1", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement reception\n" |
| "Version control\n" |
| "RIP version 2\n" |
| "RIP version 1\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| /* Version 1 and 2. */ |
| ri->ri_receive = RI_RIP_VERSION_1_AND_2; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (no_ip_rip_receive_version, |
| no_ip_rip_receive_version_cmd, |
| "no ip rip receive version", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement reception\n" |
| "Version control\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| ri->ri_receive = RI_RIP_UNSPEC; |
| return CMD_SUCCESS; |
| } |
| |
| ALIAS (no_ip_rip_receive_version, |
| no_ip_rip_receive_version_num_cmd, |
| "no ip rip receive version (1|2)", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement reception\n" |
| "Version control\n" |
| "Version 1\n" |
| "Version 2\n") |
| |
| DEFUN (ip_rip_send_version, |
| ip_rip_send_version_cmd, |
| "ip rip send version (1|2)", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement transmission\n" |
| "Version control\n" |
| "RIP version 1\n" |
| "RIP version 2\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| /* Version 1. */ |
| if (atoi (argv[0]) == 1) |
| { |
| ri->ri_send = RI_RIP_VERSION_1; |
| return CMD_SUCCESS; |
| } |
| if (atoi (argv[0]) == 2) |
| { |
| ri->ri_send = RI_RIP_VERSION_2; |
| return CMD_SUCCESS; |
| } |
| return CMD_WARNING; |
| } |
| |
| DEFUN (ip_rip_send_version_1, |
| ip_rip_send_version_1_cmd, |
| "ip rip send version 1 2", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement transmission\n" |
| "Version control\n" |
| "RIP version 1\n" |
| "RIP version 2\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| /* Version 1 and 2. */ |
| ri->ri_send = RI_RIP_VERSION_1_AND_2; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (ip_rip_send_version_2, |
| ip_rip_send_version_2_cmd, |
| "ip rip send version 2 1", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement transmission\n" |
| "Version control\n" |
| "RIP version 2\n" |
| "RIP version 1\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| /* Version 1 and 2. */ |
| ri->ri_send = RI_RIP_VERSION_1_AND_2; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (no_ip_rip_send_version, |
| no_ip_rip_send_version_cmd, |
| "no ip rip send version", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement transmission\n" |
| "Version control\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| ri->ri_send = RI_RIP_UNSPEC; |
| return CMD_SUCCESS; |
| } |
| |
| ALIAS (no_ip_rip_send_version, |
| no_ip_rip_send_version_num_cmd, |
| "no ip rip send version (1|2)", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Advertisement transmission\n" |
| "Version control\n" |
| "Version 1\n" |
| "Version 2\n") |
| |
| DEFUN (ip_rip_authentication_mode, |
| ip_rip_authentication_mode_cmd, |
| "ip rip authentication mode (md5|text)", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication mode\n" |
| "Keyed message digest\n" |
| "Clear text authentication\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| if (strncmp ("md5", argv[0], strlen (argv[0])) == 0) |
| ri->auth_type = RIP_AUTH_MD5; |
| else if (strncmp ("text", argv[0], strlen (argv[0])) == 0) |
| ri->auth_type = RIP_AUTH_SIMPLE_PASSWORD; |
| else |
| { |
| vty_out (vty, "mode should be md5 or text%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (no_ip_rip_authentication_mode, |
| no_ip_rip_authentication_mode_cmd, |
| "no ip rip authentication mode", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication mode\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| /* ri->auth_type = RIP_NO_AUTH; */ |
| ri->auth_type = RIP_AUTH_SIMPLE_PASSWORD; |
| |
| return CMD_SUCCESS; |
| } |
| |
| ALIAS (no_ip_rip_authentication_mode, |
| no_ip_rip_authentication_mode_type_cmd, |
| "no ip rip authentication mode (md5|text)", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication mode\n" |
| "Keyed message digest\n" |
| "Clear text authentication\n") |
| |
| DEFUN (ip_rip_authentication_string, |
| ip_rip_authentication_string_cmd, |
| "ip rip authentication string LINE", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication string\n" |
| "Authentication string\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| if (strlen (argv[0]) > 16) |
| { |
| vty_out (vty, "%% RIPv2 authentication string must be shorter than 16%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (ri->key_chain) |
| { |
| vty_out (vty, "%% key-chain configuration exists%s", VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (ri->auth_str) |
| free (ri->auth_str); |
| |
| ri->auth_str = strdup (argv[0]); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (no_ip_rip_authentication_string, |
| no_ip_rip_authentication_string_cmd, |
| "no ip rip authentication string", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication string\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *)vty->index; |
| ri = ifp->info; |
| |
| if (ri->auth_str) |
| free (ri->auth_str); |
| |
| ri->auth_str = NULL; |
| |
| return CMD_SUCCESS; |
| } |
| |
| ALIAS (no_ip_rip_authentication_string, |
| no_ip_rip_authentication_string2_cmd, |
| "no ip rip authentication string LINE", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication string\n" |
| "Authentication string\n") |
| |
| DEFUN (ip_rip_authentication_key_chain, |
| ip_rip_authentication_key_chain_cmd, |
| "ip rip authentication key-chain LINE", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication key-chain\n" |
| "name of key-chain\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *) vty->index; |
| ri = ifp->info; |
| |
| if (ri->auth_str) |
| { |
| vty_out (vty, "%% authentication string configuration exists%s", |
| VTY_NEWLINE); |
| return CMD_WARNING; |
| } |
| |
| if (ri->key_chain) |
| free (ri->key_chain); |
| |
| ri->key_chain = strdup (argv[0]); |
| |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (no_ip_rip_authentication_key_chain, |
| no_ip_rip_authentication_key_chain_cmd, |
| "no ip rip authentication key-chain", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication key-chain\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = (struct interface *) vty->index; |
| ri = ifp->info; |
| |
| if (ri->key_chain) |
| free (ri->key_chain); |
| |
| ri->key_chain = NULL; |
| |
| return CMD_SUCCESS; |
| } |
| |
| ALIAS (no_ip_rip_authentication_key_chain, |
| no_ip_rip_authentication_key_chain2_cmd, |
| "no ip rip authentication key-chain LINE", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Authentication control\n" |
| "Authentication key-chain\n" |
| "name of key-chain\n") |
| |
| /* CHANGED: ip rip split-horizon |
| Cisco and Zebra's command is |
| ip split-horizon |
| */ |
| DEFUN (ip_rip_split_horizon, |
| ip_rip_split_horizon_cmd, |
| "ip rip split-horizon", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Perform split horizon\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = vty->index; |
| ri = ifp->info; |
| |
| ri->split_horizon = RIP_SPLIT_HORIZON; |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (ip_rip_split_horizon_poisoned_reverse, |
| ip_rip_split_horizon_poisoned_reverse_cmd, |
| "ip rip split-horizon poisoned-reverse", |
| IP_STR |
| "Routing Information Protocol\n" |
| "Perform split horizon\n" |
| "With poisoned-reverse\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = vty->index; |
| ri = ifp->info; |
| |
| ri->split_horizon = RIP_SPLIT_HORIZON_POISONED_REVERSE; |
| return CMD_SUCCESS; |
| } |
| |
| /* CHANGED: no ip rip split-horizon |
| Cisco and Zebra's command is |
| no ip split-horizon |
| */ |
| DEFUN (no_ip_rip_split_horizon, |
| no_ip_rip_split_horizon_cmd, |
| "no ip rip split-horizon", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Perform split horizon\n") |
| { |
| struct interface *ifp; |
| struct rip_interface *ri; |
| |
| ifp = vty->index; |
| ri = ifp->info; |
| |
| ri->split_horizon = RIP_NO_SPLIT_HORIZON; |
| return CMD_SUCCESS; |
| } |
| |
| ALIAS (no_ip_rip_split_horizon, |
| no_ip_rip_split_horizon_poisoned_reverse_cmd, |
| "no ip rip split-horizon poisoned-reverse", |
| NO_STR |
| IP_STR |
| "Routing Information Protocol\n" |
| "Perform split horizon\n" |
| "With poisoned-reverse\n") |
| |
| DEFUN (rip_passive_interface, |
| rip_passive_interface_cmd, |
| "passive-interface IFNAME", |
| "Suppress routing updates on an interface\n" |
| "Interface name\n") |
| { |
| return rip_passive_interface_set (vty, argv[0]); |
| } |
| |
| DEFUN (no_rip_passive_interface, |
| no_rip_passive_interface_cmd, |
| "no passive-interface IFNAME", |
| NO_STR |
| "Suppress routing updates on an interface\n" |
| "Interface name\n") |
| { |
| return rip_passive_interface_unset (vty, argv[0]); |
| } |
| |
| /* Write rip configuration of each interface. */ |
| int |
| rip_interface_config_write (struct vty *vty) |
| { |
| listnode node; |
| struct interface *ifp; |
| |
| for (node = listhead (iflist); node; nextnode (node)) |
| { |
| struct rip_interface *ri; |
| |
| ifp = getdata (node); |
| ri = ifp->info; |
| |
| /* Do not display the interface if there is no |
| * configuration about it. |
| **/ |
| if ((!ifp->desc) && |
| (ri->split_horizon == ri->split_horizon_default) && |
| (ri->ri_send == RI_RIP_UNSPEC) && |
| (ri->ri_receive == RI_RIP_UNSPEC) && |
| (ri->auth_type != RIP_AUTH_MD5) && |
| (!ri->auth_str) && |
| (!ri->key_chain) ) |
| continue; |
| |
| vty_out (vty, "interface %s%s", ifp->name, |
| VTY_NEWLINE); |
| |
| if (ifp->desc) |
| vty_out (vty, " description %s%s", ifp->desc, |
| VTY_NEWLINE); |
| |
| /* Split horizon. */ |
| if (ri->split_horizon != ri->split_horizon_default) |
| { |
| switch (ri->split_horizon) { |
| case RIP_SPLIT_HORIZON: |
| vty_out (vty, " ip rip split-horizon%s", VTY_NEWLINE); |
| break; |
| case RIP_SPLIT_HORIZON_POISONED_REVERSE: |
| vty_out (vty, " ip rip split-horizon poisoned-reverse%s", |
| VTY_NEWLINE); |
| break; |
| case RIP_NO_SPLIT_HORIZON: |
| default: |
| vty_out (vty, " no ip rip split-horizon%s", VTY_NEWLINE); |
| break; |
| } |
| } |
| |
| /* RIP version setting. */ |
| if (ri->ri_send != RI_RIP_UNSPEC) |
| vty_out (vty, " ip rip send version %s%s", |
| lookup (ri_version_msg, ri->ri_send), |
| VTY_NEWLINE); |
| |
| if (ri->ri_receive != RI_RIP_UNSPEC) |
| vty_out (vty, " ip rip receive version %s%s", |
| lookup (ri_version_msg, ri->ri_receive), |
| VTY_NEWLINE); |
| |
| /* RIP authentication. */ |
| #if 0 |
| /* RIP_AUTH_SIMPLE_PASSWORD becomes default mode. */ |
| if (ri->auth_type == RIP_AUTH_SIMPLE_PASSWORD) |
| vty_out (vty, " ip rip authentication mode text%s", VTY_NEWLINE); |
| #endif /* 0 */ |
| if (ri->auth_type == RIP_AUTH_MD5) |
| vty_out (vty, " ip rip authentication mode md5%s", VTY_NEWLINE); |
| |
| if (ri->auth_str) |
| vty_out (vty, " ip rip authentication string %s%s", |
| ri->auth_str, VTY_NEWLINE); |
| |
| if (ri->key_chain) |
| vty_out (vty, " ip rip authentication key-chain %s%s", |
| ri->key_chain, VTY_NEWLINE); |
| |
| vty_out (vty, "!%s", VTY_NEWLINE); |
| } |
| return 0; |
| } |
| |
| int |
| config_write_rip_network (struct vty *vty, int config_mode) |
| { |
| int i; |
| char *ifname; |
| struct route_node *node; |
| |
| /* Network type RIP enable interface statement. */ |
| for (node = route_top (rip_enable_network); node; node = route_next (node)) |
| if (node->info) |
| vty_out (vty, "%s%s/%d%s", |
| config_mode ? " network " : " ", |
| inet_ntoa (node->p.u.prefix4), |
| node->p.prefixlen, |
| VTY_NEWLINE); |
| |
| /* Interface name RIP enable statement. */ |
| for (i = 0; i < vector_max (rip_enable_interface); i++) |
| if ((ifname = vector_slot (rip_enable_interface, i)) != NULL) |
| vty_out (vty, "%s%s%s", |
| config_mode ? " network " : " ", |
| ifname, |
| VTY_NEWLINE); |
| |
| /* RIP neighbors listing. */ |
| for (node = route_top (rip->neighbor); node; node = route_next (node)) |
| if (node->info) |
| vty_out (vty, "%s%s%s", |
| config_mode ? " neighbor " : " ", |
| inet_ntoa (node->p.u.prefix4), |
| VTY_NEWLINE); |
| |
| /* RIP passive interface listing. */ |
| if (config_mode) |
| for (i = 0; i < vector_max (Vrip_passive_interface); i++) |
| if ((ifname = vector_slot (Vrip_passive_interface, i)) != NULL) |
| vty_out (vty, " passive-interface %s%s", ifname, VTY_NEWLINE); |
| |
| return 0; |
| } |
| |
| struct cmd_node interface_node = |
| { |
| INTERFACE_NODE, |
| "%s(config-if)# ", |
| 1, |
| }; |
| |
| /* Called when interface structure allocated. */ |
| int |
| rip_interface_new_hook (struct interface *ifp) |
| { |
| ifp->info = rip_interface_new (); |
| return 0; |
| } |
| |
| /* Called when interface structure deleted. */ |
| int |
| rip_interface_delete_hook (struct interface *ifp) |
| { |
| XFREE (MTYPE_RIP_INTERFACE, ifp->info); |
| ifp->info = NULL; |
| return 0; |
| } |
| |
| /* Allocate and initialize interface vector. */ |
| void |
| rip_if_init () |
| { |
| /* Default initial size of interface vector. */ |
| if_init(); |
| if_add_hook (IF_NEW_HOOK, rip_interface_new_hook); |
| if_add_hook (IF_DELETE_HOOK, rip_interface_delete_hook); |
| |
| /* RIP network init. */ |
| rip_enable_interface = vector_init (1); |
| rip_enable_network = route_table_init (); |
| |
| /* RIP passive interface. */ |
| Vrip_passive_interface = vector_init (1); |
| |
| /* Install interface node. */ |
| install_node (&interface_node, rip_interface_config_write); |
| |
| /* Install commands. */ |
| install_element (CONFIG_NODE, &interface_cmd); |
| install_element (CONFIG_NODE, &no_interface_cmd); |
| install_default (INTERFACE_NODE); |
| install_element (INTERFACE_NODE, &interface_desc_cmd); |
| install_element (INTERFACE_NODE, &no_interface_desc_cmd); |
| install_element (RIP_NODE, &rip_network_cmd); |
| install_element (RIP_NODE, &no_rip_network_cmd); |
| install_element (RIP_NODE, &rip_neighbor_cmd); |
| install_element (RIP_NODE, &no_rip_neighbor_cmd); |
| |
| install_element (RIP_NODE, &rip_passive_interface_cmd); |
| install_element (RIP_NODE, &no_rip_passive_interface_cmd); |
| |
| install_element (INTERFACE_NODE, &ip_rip_send_version_cmd); |
| install_element (INTERFACE_NODE, &ip_rip_send_version_1_cmd); |
| install_element (INTERFACE_NODE, &ip_rip_send_version_2_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_send_version_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_send_version_num_cmd); |
| |
| install_element (INTERFACE_NODE, &ip_rip_receive_version_cmd); |
| install_element (INTERFACE_NODE, &ip_rip_receive_version_1_cmd); |
| install_element (INTERFACE_NODE, &ip_rip_receive_version_2_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_receive_version_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_receive_version_num_cmd); |
| |
| install_element (INTERFACE_NODE, &ip_rip_authentication_mode_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_authentication_mode_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_authentication_mode_type_cmd); |
| |
| install_element (INTERFACE_NODE, &ip_rip_authentication_key_chain_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_authentication_key_chain_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_authentication_key_chain2_cmd); |
| |
| install_element (INTERFACE_NODE, &ip_rip_authentication_string_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_authentication_string_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_authentication_string2_cmd); |
| |
| install_element (INTERFACE_NODE, &ip_rip_split_horizon_cmd); |
| install_element (INTERFACE_NODE, &ip_rip_split_horizon_poisoned_reverse_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_split_horizon_cmd); |
| install_element (INTERFACE_NODE, &no_ip_rip_split_horizon_poisoned_reverse_cmd); |
| } |