From 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:53:30 +0200 Subject: Adding upstream version 8.4.4. Signed-off-by: Daniel Baumann --- eigrpd/eigrp_vty.c | 604 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 604 insertions(+) create mode 100644 eigrpd/eigrp_vty.c (limited to 'eigrpd/eigrp_vty.c') diff --git a/eigrpd/eigrp_vty.c b/eigrpd/eigrp_vty.c new file mode 100644 index 0000000..3d61294 --- /dev/null +++ b/eigrpd/eigrp_vty.c @@ -0,0 +1,604 @@ +/* + * EIGRP VTY Interface. + * Copyright (C) 2013-2016 + * Authors: + * Donnie Savage + * Jan Janovic + * Matej Perina + * Peter Orsag + * Peter Paluch + * Frantisek Gazo + * Tomas Hvorkovy + * Martin Kontsek + * Lukas Koribsky + * + * 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 this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#include "memory.h" +#include "thread.h" +#include "prefix.h" +#include "table.h" +#include "vty.h" +#include "command.h" +#include "plist.h" +#include "log.h" +#include "zclient.h" +#include "keychain.h" +#include "linklist.h" +#include "distribute.h" + +#include "eigrpd/eigrp_structs.h" +#include "eigrpd/eigrpd.h" +#include "eigrpd/eigrp_interface.h" +#include "eigrpd/eigrp_neighbor.h" +#include "eigrpd/eigrp_packet.h" +#include "eigrpd/eigrp_zebra.h" +#include "eigrpd/eigrp_vty.h" +#include "eigrpd/eigrp_network.h" +#include "eigrpd/eigrp_dump.h" +#include "eigrpd/eigrp_const.h" + +#ifndef VTYSH_EXTRACT_PL +#include "eigrpd/eigrp_vty_clippy.c" +#endif + +static void eigrp_vty_display_prefix_entry(struct vty *vty, struct eigrp *eigrp, + struct eigrp_prefix_descriptor *pe, + bool all) +{ + bool first = true; + struct eigrp_route_descriptor *te; + struct listnode *node; + + for (ALL_LIST_ELEMENTS_RO(pe->entries, node, te)) { + if (all + || (((te->flags & EIGRP_ROUTE_DESCRIPTOR_SUCCESSOR_FLAG) + == EIGRP_ROUTE_DESCRIPTOR_SUCCESSOR_FLAG) + || ((te->flags & EIGRP_ROUTE_DESCRIPTOR_FSUCCESSOR_FLAG) + == EIGRP_ROUTE_DESCRIPTOR_FSUCCESSOR_FLAG))) { + show_ip_eigrp_route_descriptor(vty, eigrp, te, &first); + first = false; + } + } +} + +static struct eigrp *eigrp_vty_get_eigrp(struct vty *vty, const char *vrf_name) +{ + struct vrf *vrf; + + if (vrf_name) + vrf = vrf_lookup_by_name(vrf_name); + else + vrf = vrf_lookup_by_id(VRF_DEFAULT); + + if (!vrf) { + vty_out(vty, "VRF %s specified does not exist", + vrf_name ? vrf_name : VRF_DEFAULT_NAME); + return NULL; + } + + return eigrp_lookup(vrf->vrf_id); +} + +static void eigrp_topology_helper(struct vty *vty, struct eigrp *eigrp, + const char *all) +{ + struct eigrp_prefix_descriptor *tn; + struct route_node *rn; + + show_ip_eigrp_topology_header(vty, eigrp); + + for (rn = route_top(eigrp->topology_table); rn; rn = route_next(rn)) { + if (!rn->info) + continue; + + tn = rn->info; + eigrp_vty_display_prefix_entry(vty, eigrp, tn, + all ? true : false); + } +} + +DEFPY (show_ip_eigrp_topology_all, + show_ip_eigrp_topology_all_cmd, + "show ip eigrp [vrf NAME] topology [all-links$all]", + SHOW_STR + IP_STR + "IP-EIGRP show commands\n" + VRF_CMD_HELP_STR + "IP-EIGRP topology\n" + "Show all links in topology table\n") +{ + struct eigrp *eigrp; + + if (vrf && strncmp(vrf, "all", sizeof("all")) == 0) { + struct vrf *v; + + RB_FOREACH (v, vrf_name_head, &vrfs_by_name) { + eigrp = eigrp_lookup(v->vrf_id); + if (!eigrp) + continue; + + vty_out(vty, "VRF %s:\n", v->name); + + eigrp_topology_helper(vty, eigrp, all); + } + } else { + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + eigrp_topology_helper(vty, eigrp, all); + } + + return CMD_SUCCESS; +} + +DEFPY (show_ip_eigrp_topology, + show_ip_eigrp_topology_cmd, + "show ip eigrp [vrf NAME] topology ", + SHOW_STR + IP_STR + "IP-EIGRP show commands\n" + VRF_CMD_HELP_STR + "IP-EIGRP topology\n" + "For a specific address\n" + "For a specific prefix\n") +{ + struct eigrp *eigrp; + struct eigrp_prefix_descriptor *tn; + struct route_node *rn; + struct prefix cmp; + + if (vrf && strncmp(vrf, "all", sizeof("all")) == 0) { + vty_out(vty, "Specifying vrf `all` for a particular address/prefix makes no sense\n"); + return CMD_SUCCESS; + } + + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + show_ip_eigrp_topology_header(vty, eigrp); + + if (address_str) + prefix_str = address_str; + + if (str2prefix(prefix_str, &cmp) < 0) { + vty_out(vty, "%% Malformed address\n"); + return CMD_WARNING; + } + + rn = route_node_match(eigrp->topology_table, &cmp); + if (!rn) { + vty_out(vty, "%% Network not in table\n"); + return CMD_WARNING; + } + + if (!rn->info) { + vty_out(vty, "%% Network not in table\n"); + route_unlock_node(rn); + return CMD_WARNING; + } + + tn = rn->info; + eigrp_vty_display_prefix_entry(vty, eigrp, tn, argc == 5); + + route_unlock_node(rn); + return CMD_SUCCESS; +} + +static void eigrp_interface_helper(struct vty *vty, struct eigrp *eigrp, + const char *ifname, const char *detail) +{ + struct eigrp_interface *ei; + struct listnode *node; + + if (!ifname) + show_ip_eigrp_interface_header(vty, eigrp); + + for (ALL_LIST_ELEMENTS_RO(eigrp->eiflist, node, ei)) { + if (!ifname || strcmp(ei->ifp->name, ifname) == 0) { + show_ip_eigrp_interface_sub(vty, eigrp, ei); + if (detail) + show_ip_eigrp_interface_detail(vty, eigrp, ei); + } + } +} + +DEFPY (show_ip_eigrp_interfaces, + show_ip_eigrp_interfaces_cmd, + "show ip eigrp [vrf NAME] interfaces [IFNAME] [detail]$detail", + SHOW_STR + IP_STR + "IP-EIGRP show commands\n" + VRF_CMD_HELP_STR + "IP-EIGRP interfaces\n" + "Interface name to look at\n" + "Detailed information\n") +{ + struct eigrp *eigrp; + + if (vrf && strncmp(vrf, "all", sizeof("all")) == 0) { + struct vrf *v; + + RB_FOREACH (v, vrf_name_head, &vrfs_by_name) { + eigrp = eigrp_lookup(v->vrf_id); + if (!eigrp) + continue; + + vty_out(vty, "VRF %s:\n", v->name); + + eigrp_interface_helper(vty, eigrp, ifname, detail); + } + } else { + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, "EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + eigrp_interface_helper(vty, eigrp, ifname, detail); + } + + + return CMD_SUCCESS; +} + +static void eigrp_neighbors_helper(struct vty *vty, struct eigrp *eigrp, + const char *ifname, const char *detail) +{ + struct eigrp_interface *ei; + struct listnode *node, *node2, *nnode2; + struct eigrp_neighbor *nbr; + + show_ip_eigrp_neighbor_header(vty, eigrp); + + for (ALL_LIST_ELEMENTS_RO(eigrp->eiflist, node, ei)) { + if (!ifname || strcmp(ei->ifp->name, ifname) == 0) { + for (ALL_LIST_ELEMENTS(ei->nbrs, node2, nnode2, nbr)) { + if (detail || (nbr->state == EIGRP_NEIGHBOR_UP)) + show_ip_eigrp_neighbor_sub(vty, nbr, + !!detail); + } + } + } +} + +DEFPY (show_ip_eigrp_neighbors, + show_ip_eigrp_neighbors_cmd, + "show ip eigrp [vrf NAME] neighbors [IFNAME] [detail]$detail", + SHOW_STR + IP_STR + "IP-EIGRP show commands\n" + VRF_CMD_HELP_STR + "IP-EIGRP neighbors\n" + "Interface to show on\n" + "Detailed Information\n") +{ + struct eigrp *eigrp; + + if (vrf && strncmp(vrf, "all", sizeof("all")) == 0) { + struct vrf *vrf; + + RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { + eigrp = eigrp_lookup(vrf->vrf_id); + if (!eigrp) + continue; + + vty_out(vty, "VRF %s:\n", vrf->name); + + eigrp_neighbors_helper(vty, eigrp, ifname, detail); + } + } else { + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + eigrp_neighbors_helper(vty, eigrp, ifname, detail); + } + + return CMD_SUCCESS; +} + +/* + * Execute hard restart for all neighbors + */ +DEFPY (clear_ip_eigrp_neighbors, + clear_ip_eigrp_neighbors_cmd, + "clear ip eigrp [vrf NAME] neighbors", + CLEAR_STR + IP_STR + "Clear IP-EIGRP\n" + VRF_CMD_HELP_STR + "Clear IP-EIGRP neighbors\n") +{ + struct eigrp *eigrp; + struct eigrp_interface *ei; + struct listnode *node, *node2, *nnode2; + struct eigrp_neighbor *nbr; + + /* Check if eigrp process is enabled */ + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + /* iterate over all eigrp interfaces */ + for (ALL_LIST_ELEMENTS_RO(eigrp->eiflist, node, ei)) { + /* send Goodbye Hello */ + eigrp_hello_send(ei, EIGRP_HELLO_GRACEFUL_SHUTDOWN, NULL); + + /* iterate over all neighbors on eigrp interface */ + for (ALL_LIST_ELEMENTS(ei->nbrs, node2, nnode2, nbr)) { + if (nbr->state != EIGRP_NEIGHBOR_DOWN) { + zlog_debug( + "Neighbor %pI4 (%s) is down: manually cleared", + &nbr->src, + ifindex2ifname(nbr->ei->ifp->ifindex, + eigrp->vrf_id)); + vty_time_print(vty, 0); + vty_out(vty, + "Neighbor %pI4 (%s) is down: manually cleared\n", + &nbr->src, + ifindex2ifname(nbr->ei->ifp->ifindex, + eigrp->vrf_id)); + + /* set neighbor to DOWN */ + nbr->state = EIGRP_NEIGHBOR_DOWN; + /* delete neighbor */ + eigrp_nbr_delete(nbr); + } + } + } + + return CMD_SUCCESS; +} + +/* + * Execute hard restart for all neighbors on interface + */ +DEFPY (clear_ip_eigrp_neighbors_int, + clear_ip_eigrp_neighbors_int_cmd, + "clear ip eigrp [vrf NAME] neighbors IFNAME", + CLEAR_STR + IP_STR + "Clear IP-EIGRP\n" + VRF_CMD_HELP_STR + "Clear IP-EIGRP neighbors\n" + "Interface's name\n") +{ + struct eigrp *eigrp; + struct eigrp_interface *ei; + struct listnode *node2, *nnode2; + struct eigrp_neighbor *nbr; + + /* Check if eigrp process is enabled */ + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + /* lookup interface by specified name */ + ei = eigrp_if_lookup_by_name(eigrp, ifname); + if (ei == NULL) { + vty_out(vty, " Interface (%s) doesn't exist\n", ifname); + return CMD_WARNING; + } + + /* send Goodbye Hello */ + eigrp_hello_send(ei, EIGRP_HELLO_GRACEFUL_SHUTDOWN, NULL); + + /* iterate over all neighbors on eigrp interface */ + for (ALL_LIST_ELEMENTS(ei->nbrs, node2, nnode2, nbr)) { + if (nbr->state != EIGRP_NEIGHBOR_DOWN) { + zlog_debug( + "Neighbor %pI4 (%s) is down: manually cleared", + &nbr->src, + ifindex2ifname(nbr->ei->ifp->ifindex, + eigrp->vrf_id)); + vty_time_print(vty, 0); + vty_out(vty, + "Neighbor %pI4 (%s) is down: manually cleared\n", + &nbr->src, + ifindex2ifname(nbr->ei->ifp->ifindex, + eigrp->vrf_id)); + + /* set neighbor to DOWN */ + nbr->state = EIGRP_NEIGHBOR_DOWN; + /* delete neighbor */ + eigrp_nbr_delete(nbr); + } + } + + return CMD_SUCCESS; +} + +/* + * Execute hard restart for neighbor specified by IP + */ +DEFPY (clear_ip_eigrp_neighbors_IP, + clear_ip_eigrp_neighbors_IP_cmd, + "clear ip eigrp [vrf NAME] neighbors A.B.C.D$nbr_addr", + CLEAR_STR + IP_STR + "Clear IP-EIGRP\n" + VRF_CMD_HELP_STR + "Clear IP-EIGRP neighbors\n" + "IP-EIGRP neighbor address\n") +{ + struct eigrp *eigrp; + struct eigrp_neighbor *nbr; + + /* Check if eigrp process is enabled */ + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + /* lookup neighbor in whole process */ + nbr = eigrp_nbr_lookup_by_addr_process(eigrp, nbr_addr); + + /* if neighbor doesn't exists, notify user and exit */ + if (nbr == NULL) { + vty_out(vty, "Neighbor with entered address doesn't exists.\n"); + return CMD_WARNING; + } + + /* execute hard reset on neighbor */ + eigrp_nbr_hard_restart(nbr, vty); + + return CMD_SUCCESS; +} + +/* + * Execute graceful restart for all neighbors + */ +DEFPY (clear_ip_eigrp_neighbors_soft, + clear_ip_eigrp_neighbors_soft_cmd, + "clear ip eigrp [vrf NAME] neighbors soft", + CLEAR_STR + IP_STR + "Clear IP-EIGRP\n" + VRF_CMD_HELP_STR + "Clear IP-EIGRP neighbors\n" + "Resync with peers without adjacency reset\n") +{ + struct eigrp *eigrp; + + /* Check if eigrp process is enabled */ + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + /* execute graceful restart on all neighbors */ + eigrp_update_send_process_GR(eigrp, EIGRP_GR_MANUAL, vty); + + return CMD_SUCCESS; +} + +/* + * Execute graceful restart for all neighbors on interface + */ +DEFPY (clear_ip_eigrp_neighbors_int_soft, + clear_ip_eigrp_neighbors_int_soft_cmd, + "clear ip eigrp [vrf NAME] neighbors IFNAME soft", + CLEAR_STR + IP_STR + "Clear IP-EIGRP\n" + VRF_CMD_HELP_STR + "Clear IP-EIGRP neighbors\n" + "Interface's name\n" + "Resync with peer without adjacency reset\n") +{ + struct eigrp *eigrp; + struct eigrp_interface *ei; + + /* Check if eigrp process is enabled */ + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + /* lookup interface by specified name */ + ei = eigrp_if_lookup_by_name(eigrp, ifname); + if (ei == NULL) { + vty_out(vty, " Interface (%s) doesn't exist\n", argv[4]->arg); + return CMD_WARNING; + } + + /* execute graceful restart for all neighbors on interface */ + eigrp_update_send_interface_GR(ei, EIGRP_GR_MANUAL, vty); + return CMD_SUCCESS; +} + +/* + * Execute graceful restart for neighbor specified by IP + */ +DEFPY (clear_ip_eigrp_neighbors_IP_soft, + clear_ip_eigrp_neighbors_IP_soft_cmd, + "clear ip eigrp [vrf NAME] neighbors A.B.C.D$nbr_addr soft", + CLEAR_STR + IP_STR + "Clear IP-EIGRP\n" + VRF_CMD_HELP_STR + "Clear IP-EIGRP neighbors\n" + "IP-EIGRP neighbor address\n" + "Resync with peer without adjacency reset\n") +{ + struct eigrp *eigrp; + struct eigrp_neighbor *nbr; + + + /* Check if eigrp process is enabled */ + eigrp = eigrp_vty_get_eigrp(vty, vrf); + if (eigrp == NULL) { + vty_out(vty, " EIGRP Routing Process not enabled\n"); + return CMD_SUCCESS; + } + + /* lookup neighbor in whole process */ + nbr = eigrp_nbr_lookup_by_addr_process(eigrp, nbr_addr); + + /* if neighbor doesn't exists, notify user and exit */ + if (nbr == NULL) { + vty_out(vty, "Neighbor with entered address doesn't exists.\n"); + return CMD_WARNING; + } + + /* execute graceful restart on neighbor */ + eigrp_update_send_GR(nbr, EIGRP_GR_MANUAL, vty); + + return CMD_SUCCESS; +} + +void eigrp_vty_show_init(void) +{ + install_element(VIEW_NODE, &show_ip_eigrp_interfaces_cmd); + + install_element(VIEW_NODE, &show_ip_eigrp_neighbors_cmd); + + install_element(VIEW_NODE, &show_ip_eigrp_topology_cmd); + install_element(VIEW_NODE, &show_ip_eigrp_topology_all_cmd); +} + +/* Install EIGRP related vty commands. */ +void eigrp_vty_init(void) +{ + /* commands for manual hard restart */ + install_element(ENABLE_NODE, &clear_ip_eigrp_neighbors_cmd); + install_element(ENABLE_NODE, &clear_ip_eigrp_neighbors_int_cmd); + install_element(ENABLE_NODE, &clear_ip_eigrp_neighbors_IP_cmd); + /* commands for manual graceful restart */ + install_element(ENABLE_NODE, &clear_ip_eigrp_neighbors_soft_cmd); + install_element(ENABLE_NODE, &clear_ip_eigrp_neighbors_int_soft_cmd); + install_element(ENABLE_NODE, &clear_ip_eigrp_neighbors_IP_soft_cmd); +} -- cgit v1.2.3