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ospf_vty.c
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/* OSPF VTY interface.
* Copyright (C) 2005 6WIND <alain.ritoux@6wind.com>
* Copyright (C) 2000 Toshiaki Takada
*
* 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 <zebra.h>
#include <string.h>
#include "monotime.h"
#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 <lib/json.h>
#include "defaults.h"
#include "ospfd/ospfd.h"
#include "ospfd/ospf_asbr.h"
#include "ospfd/ospf_lsa.h"
#include "ospfd/ospf_lsdb.h"
#include "ospfd/ospf_ism.h"
#include "ospfd/ospf_interface.h"
#include "ospfd/ospf_nsm.h"
#include "ospfd/ospf_neighbor.h"
#include "ospfd/ospf_flood.h"
#include "ospfd/ospf_abr.h"
#include "ospfd/ospf_spf.h"
#include "ospfd/ospf_route.h"
#include "ospfd/ospf_zebra.h"
/*#include "ospfd/ospf_routemap.h" */
#include "ospfd/ospf_vty.h"
#include "ospfd/ospf_dump.h"
#include "ospfd/ospf_bfd.h"
static const char *ospf_network_type_str[] = {
"Null", "POINTOPOINT", "BROADCAST", "NBMA", "POINTOMULTIPOINT",
"VIRTUALLINK", "LOOPBACK"};
/* Utility functions. */
int str2area_id(const char *str, struct in_addr *area_id, int *area_id_fmt)
{
char *ep;
area_id->s_addr = htonl(strtoul(str, &ep, 10));
if (*ep && !inet_aton(str, area_id))
return -1;
*area_id_fmt =
*ep ? OSPF_AREA_ID_FMT_DOTTEDQUAD : OSPF_AREA_ID_FMT_DECIMAL;
return 0;
}
static void area_id2str(char *buf, int length, struct in_addr *area_id,
int area_id_fmt)
{
if (area_id_fmt == OSPF_AREA_ID_FMT_DOTTEDQUAD)
inet_ntop(AF_INET, area_id, buf, length);
else
sprintf(buf, "%lu", (unsigned long)ntohl(area_id->s_addr));
}
static int str2metric(const char *str, int *metric)
{
/* Sanity check. */
if (str == NULL)
return 0;
*metric = strtol(str, NULL, 10);
if (*metric < 0 && *metric > 16777214) {
/* vty_out (vty, "OSPF metric value is invalid\n"); */
return 0;
}
return 1;
}
static int str2metric_type(const char *str, int *metric_type)
{
/* Sanity check. */
if (str == NULL)
return 0;
if (strncmp(str, "1", 1) == 0)
*metric_type = EXTERNAL_METRIC_TYPE_1;
else if (strncmp(str, "2", 1) == 0)
*metric_type = EXTERNAL_METRIC_TYPE_2;
else
return 0;
return 1;
}
int ospf_oi_count(struct interface *ifp)
{
struct route_node *rn;
int i = 0;
for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn))
if (rn->info)
i++;
return i;
}
#define OSPF_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf) \
if (argv_find(argv, argc, "vrf", &idx_vrf)) { \
vrf_name = argv[idx_vrf + 1]->arg; \
all_vrf = strmatch(vrf_name, "all"); \
}
static struct ospf *ospf_cmd_lookup_ospf(struct vty *vty,
struct cmd_token *argv[],
const int argc, uint32_t enable,
unsigned short *instance)
{
struct ospf *ospf = NULL;
int idx_vrf = 0, idx_inst = 0;
const char *vrf_name = NULL;
*instance = 0;
if (argv_find(argv, argc, "(1-65535)", &idx_inst))
*instance = strtoul(argv[idx_inst]->arg, NULL, 10);
if (argv_find(argv, argc, "vrf", &idx_vrf)) {
vrf_name = argv[idx_vrf + 1]->arg;
if (vrf_name == NULL || strmatch(vrf_name, VRF_DEFAULT_NAME))
vrf_name = NULL;
if (enable) {
/* Allocate VRF aware instance */
ospf = ospf_get(*instance, vrf_name);
} else {
ospf = ospf_lookup_by_inst_name(*instance, vrf_name);
}
} else {
if (enable) {
ospf = ospf_get(*instance, NULL);
} else {
ospf = ospf_lookup_instance(*instance);
}
}
return ospf;
}
static void ospf_show_vrf_name(struct ospf *ospf, struct vty *vty,
json_object *json, uint8_t use_vrf)
{
if (use_vrf) {
if (json) {
if (ospf->vrf_id == VRF_DEFAULT)
json_object_string_add(json, "vrfName",
"default");
else
json_object_string_add(json, "vrfName",
ospf->name);
json_object_int_add(json, "vrfId", ospf->vrf_id);
} else {
if (ospf->vrf_id == VRF_DEFAULT)
vty_out(vty, "VRF Name: %s\n", "default");
else if (ospf->name)
vty_out(vty, "VRF Name: %s\n", ospf->name);
}
}
}
#ifndef VTYSH_EXTRACT_PL
#include "ospfd/ospf_vty_clippy.c"
#endif
DEFUN_NOSH (router_ospf,
router_ospf_cmd,
"router ospf [{(1-65535)|vrf NAME}]",
"Enable a routing process\n"
"Start OSPF configuration\n"
"Instance ID\n"
VRF_CMD_HELP_STR)
{
struct ospf *ospf = NULL;
int ret = CMD_SUCCESS;
unsigned short instance = 0;
struct vrf *vrf = NULL;
struct route_node *rn;
struct interface *ifp;
ospf = ospf_cmd_lookup_ospf(vty, argv, argc, 1, &instance);
if (!ospf)
return CMD_WARNING_CONFIG_FAILED;
/* The following logic to set the vty qobj index is in place to be able
to ignore the commands which dont belong to this instance. */
if (ospf->instance != instance) {
VTY_PUSH_CONTEXT_NULL(OSPF_NODE);
ret = CMD_NOT_MY_INSTANCE;
} else {
if (ospf->vrf_id != VRF_UNKNOWN)
ospf->oi_running = 1;
if (IS_DEBUG_OSPF_EVENT)
zlog_debug(
"Config command 'router ospf %d' received, vrf %s id %u oi_running %u",
instance, ospf->name ? ospf->name : "NIL",
ospf->vrf_id, ospf->oi_running);
VTY_PUSH_CONTEXT(OSPF_NODE, ospf);
/* Activate 'ip ospf area x' configured interfaces for given
* vrf. Activate area on vrf x aware interfaces.
* vrf_enable callback calls router_id_update which
* internally will call ospf_if_update to trigger
* network_run_state
*/
vrf = vrf_lookup_by_id(ospf->vrf_id);
FOR_ALL_INTERFACES (vrf, ifp) {
struct ospf_if_params *params;
params = IF_DEF_PARAMS(ifp);
if (OSPF_IF_PARAM_CONFIGURED(params, if_area)) {
for (rn = route_top(ospf->networks); rn;
rn = route_next(rn)) {
if (rn->info != NULL) {
vty_out(vty,
"Interface %s has area config but please remove all network commands first.\n",
ifp->name);
return ret;
}
}
if (!ospf_interface_area_is_already_set(ospf,
ifp)) {
ospf_interface_area_set(ospf, ifp);
ospf->if_ospf_cli_count++;
}
}
}
ospf_router_id_update(ospf);
}
return ret;
}
DEFUN (no_router_ospf,
no_router_ospf_cmd,
"no router ospf [{(1-65535)|vrf NAME}]",
NO_STR
"Enable a routing process\n"
"Start OSPF configuration\n"
"Instance ID\n"
VRF_CMD_HELP_STR)
{
struct ospf *ospf;
unsigned short instance = 0;
ospf = ospf_cmd_lookup_ospf(vty, argv, argc, 0, &instance);
if (ospf == NULL) {
if (instance)
return CMD_NOT_MY_INSTANCE;
else
return CMD_WARNING;
}
ospf_finish(ospf);
return CMD_SUCCESS;
}
DEFPY (ospf_router_id,
ospf_router_id_cmd,
"ospf router-id A.B.C.D",
"OSPF specific commands\n"
"router-id for the OSPF process\n"
"OSPF router-id in IP address format\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
struct listnode *node;
struct ospf_area *area;
ospf->router_id_static = router_id;
for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area))
if (area->full_nbrs) {
vty_out(vty,
"For this router-id change to take effect,"
" save config and restart ospfd\n");
return CMD_SUCCESS;
}
ospf_router_id_update(ospf);
return CMD_SUCCESS;
}
DEFUN_HIDDEN (ospf_router_id_old,
ospf_router_id_old_cmd,
"router-id A.B.C.D",
"router-id for the OSPF process\n"
"OSPF router-id in IP address format\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4 = 1;
struct listnode *node;
struct ospf_area *area;
struct in_addr router_id;
int ret;
ret = inet_aton(argv[idx_ipv4]->arg, &router_id);
if (!ret) {
vty_out(vty, "Please specify Router ID by A.B.C.D\n");
return CMD_WARNING_CONFIG_FAILED;
}
ospf->router_id_static = router_id;
for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area))
if (area->full_nbrs) {
vty_out(vty,
"For this router-id change to take effect,"
" save config and restart ospfd\n");
return CMD_SUCCESS;
}
ospf_router_id_update(ospf);
return CMD_SUCCESS;
}
DEFPY (no_ospf_router_id,
no_ospf_router_id_cmd,
"no ospf router-id [A.B.C.D]",
NO_STR
"OSPF specific commands\n"
"router-id for the OSPF process\n"
"OSPF router-id in IP address format\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
struct listnode *node;
struct ospf_area *area;
if (router_id_str) {
if (!IPV4_ADDR_SAME(&ospf->router_id_static, &router_id)) {
vty_out(vty, "%% OSPF router-id doesn't match\n");
return CMD_WARNING_CONFIG_FAILED;
}
}
ospf->router_id_static.s_addr = 0;
for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area))
if (area->full_nbrs) {
vty_out(vty,
"For this router-id change to take effect,"
" save config and restart ospfd\n");
return CMD_SUCCESS;
}
ospf_router_id_update(ospf);
return CMD_SUCCESS;
}
static void ospf_passive_interface_default(struct ospf *ospf, uint8_t newval)
{
struct vrf *vrf = vrf_lookup_by_id(ospf->vrf_id);
struct listnode *ln;
struct interface *ifp;
struct ospf_interface *oi;
ospf->passive_interface_default = newval;
FOR_ALL_INTERFACES (vrf, ifp) {
if (ifp && OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS(ifp),
passive_interface))
UNSET_IF_PARAM(IF_DEF_PARAMS(ifp), passive_interface);
}
for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, ln, oi)) {
if (OSPF_IF_PARAM_CONFIGURED(oi->params, passive_interface))
UNSET_IF_PARAM(oi->params, passive_interface);
/* update multicast memberships */
ospf_if_set_multicast(oi);
}
}
static void ospf_passive_interface_update_addr(struct ospf *ospf,
struct interface *ifp,
struct ospf_if_params *params,
uint8_t value,
struct in_addr addr)
{
uint8_t dflt;
params->passive_interface = value;
if (params != IF_DEF_PARAMS(ifp)) {
if (OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS(ifp),
passive_interface))
dflt = IF_DEF_PARAMS(ifp)->passive_interface;
else
dflt = ospf->passive_interface_default;
if (value != dflt)
SET_IF_PARAM(params, passive_interface);
else
UNSET_IF_PARAM(params, passive_interface);
ospf_free_if_params(ifp, addr);
ospf_if_update_params(ifp, addr);
}
}
static void ospf_passive_interface_update(struct ospf *ospf,
struct interface *ifp,
struct ospf_if_params *params,
uint8_t value)
{
params->passive_interface = value;
if (params == IF_DEF_PARAMS(ifp)) {
if (value != ospf->passive_interface_default)
SET_IF_PARAM(params, passive_interface);
else
UNSET_IF_PARAM(params, passive_interface);
}
}
DEFUN (ospf_passive_interface,
ospf_passive_interface_addr_cmd,
"passive-interface <IFNAME [A.B.C.D]|default>",
"Suppress routing updates on an interface\n"
"Interface's name\n"
"IPv4 address\n"
"Suppress routing updates on interfaces by default\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4 = 2;
struct interface *ifp = NULL;
struct in_addr addr = {.s_addr = INADDR_ANY};
int ret;
struct ospf_if_params *params;
struct route_node *rn;
if (strmatch(argv[1]->text, "default")) {
ospf_passive_interface_default(ospf, OSPF_IF_PASSIVE);
return CMD_SUCCESS;
}
if (ospf->vrf_id != VRF_UNKNOWN)
ifp = if_get_by_name(argv[1]->arg, ospf->vrf_id);
if (ifp == NULL) {
vty_out(vty, "interface %s not found.\n", (char *)argv[1]->arg);
return CMD_WARNING_CONFIG_FAILED;
}
params = IF_DEF_PARAMS(ifp);
if (argc == 3) {
ret = inet_aton(argv[idx_ipv4]->arg, &addr);
if (!ret) {
vty_out(vty,
"Please specify interface address by A.B.C.D\n");
return CMD_WARNING_CONFIG_FAILED;
}
params = ospf_get_if_params(ifp, addr);
ospf_if_update_params(ifp, addr);
ospf_passive_interface_update_addr(ospf, ifp, params,
OSPF_IF_PASSIVE, addr);
}
ospf_passive_interface_update(ospf, ifp, params, OSPF_IF_PASSIVE);
/* XXX We should call ospf_if_set_multicast on exactly those
* interfaces for which the passive property changed. It is too much
* work to determine this set, so we do this for every interface.
* This is safe and reasonable because ospf_if_set_multicast uses a
* record of joined groups to avoid systems calls if the desired
* memberships match the current memership.
*/
for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
struct ospf_interface *oi = rn->info;
if (oi && (OSPF_IF_PARAM(oi, passive_interface)
== OSPF_IF_PASSIVE))
ospf_if_set_multicast(oi);
}
/*
* XXX It is not clear what state transitions the interface needs to
* undergo when going from active to passive. Fixing this will
* require precise identification of interfaces having such a
* transition.
*/
return CMD_SUCCESS;
}
DEFUN (no_ospf_passive_interface,
no_ospf_passive_interface_addr_cmd,
"no passive-interface <IFNAME [A.B.C.D]|default>",
NO_STR
"Allow routing updates on an interface\n"
"Interface's name\n"
"IPv4 address\n"
"Allow routing updates on interfaces by default\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4 = 3;
struct interface *ifp = NULL;
struct in_addr addr = {.s_addr = INADDR_ANY};
struct ospf_if_params *params;
int ret;
struct route_node *rn;
if (strmatch(argv[2]->text, "default")) {
ospf_passive_interface_default(ospf, OSPF_IF_ACTIVE);
return CMD_SUCCESS;
}
if (ospf->vrf_id != VRF_UNKNOWN)
ifp = if_get_by_name(argv[2]->arg, ospf->vrf_id);
if (ifp == NULL) {
vty_out(vty, "interface %s not found.\n", (char *)argv[2]->arg);
return CMD_WARNING_CONFIG_FAILED;
}
params = IF_DEF_PARAMS(ifp);
if (argc == 4) {
ret = inet_aton(argv[idx_ipv4]->arg, &addr);
if (!ret) {
vty_out(vty,
"Please specify interface address by A.B.C.D\n");
return CMD_WARNING_CONFIG_FAILED;
}
params = ospf_lookup_if_params(ifp, addr);
if (params == NULL)
return CMD_SUCCESS;
ospf_passive_interface_update_addr(ospf, ifp, params,
OSPF_IF_ACTIVE, addr);
}
ospf_passive_interface_update(ospf, ifp, params, OSPF_IF_ACTIVE);
/* XXX We should call ospf_if_set_multicast on exactly those
* interfaces for which the passive property changed. It is too much
* work to determine this set, so we do this for every interface.
* This is safe and reasonable because ospf_if_set_multicast uses a
* record of joined groups to avoid systems calls if the desired
* memberships match the current memership.
*/
for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) {
struct ospf_interface *oi = rn->info;
if (oi
&& (OSPF_IF_PARAM(oi, passive_interface) == OSPF_IF_ACTIVE))
ospf_if_set_multicast(oi);
}
return CMD_SUCCESS;
}
DEFUN (ospf_network_area,
ospf_network_area_cmd,
"network A.B.C.D/M area <A.B.C.D|(0-4294967295)>",
"Enable routing on an IP network\n"
"OSPF network prefix\n"
"Set the OSPF area ID\n"
"OSPF area ID in IP address format\n"
"OSPF area ID as a decimal value\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4_prefixlen = 1;
int idx_ipv4_number = 3;
struct prefix_ipv4 p;
struct in_addr area_id;
int ret, format;
if (ospf->instance) {
vty_out(vty,
"The network command is not supported in multi-instance ospf\n");
return CMD_WARNING_CONFIG_FAILED;
}
if (ospf->if_ospf_cli_count > 0) {
vty_out(vty,
"Please remove all ip ospf area x.x.x.x commands first.\n");
if (IS_DEBUG_OSPF_EVENT)
zlog_debug(
"%s ospf vrf %s num of %u ip osp area x config",
__PRETTY_FUNCTION__,
ospf->name ? ospf->name : "NIL",
ospf->if_ospf_cli_count);
return CMD_WARNING_CONFIG_FAILED;
}
/* Get network prefix and Area ID. */
str2prefix_ipv4(argv[idx_ipv4_prefixlen]->arg, &p);
VTY_GET_OSPF_AREA_ID(area_id, format, argv[idx_ipv4_number]->arg);
ret = ospf_network_set(ospf, &p, area_id, format);
if (ret == 0) {
vty_out(vty, "There is already same network statement.\n");
return CMD_WARNING_CONFIG_FAILED;
}
return CMD_SUCCESS;
}
DEFUN (no_ospf_network_area,
no_ospf_network_area_cmd,
"no network A.B.C.D/M area <A.B.C.D|(0-4294967295)>",
NO_STR
"Enable routing on an IP network\n"
"OSPF network prefix\n"
"Set the OSPF area ID\n"
"OSPF area ID in IP address format\n"
"OSPF area ID as a decimal value\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4_prefixlen = 2;
int idx_ipv4_number = 4;
struct prefix_ipv4 p;
struct in_addr area_id;
int ret, format;
if (ospf->instance) {
vty_out(vty,
"The network command is not supported in multi-instance ospf\n");
return CMD_WARNING_CONFIG_FAILED;
}
/* Get network prefix and Area ID. */
str2prefix_ipv4(argv[idx_ipv4_prefixlen]->arg, &p);
VTY_GET_OSPF_AREA_ID(area_id, format, argv[idx_ipv4_number]->arg);
ret = ospf_network_unset(ospf, &p, area_id);
if (ret == 0) {
vty_out(vty,
"Can't find specified network area configuration.\n");
return CMD_WARNING_CONFIG_FAILED;
}
return CMD_SUCCESS;
}
DEFUN (ospf_area_range,
ospf_area_range_cmd,
"area <A.B.C.D|(0-4294967295)> range A.B.C.D/M [advertise [cost (0-16777215)]]",
"OSPF area parameters\n"
"OSPF area ID in IP address format\n"
"OSPF area ID as a decimal value\n"
"Summarize routes matching address/mask (border routers only)\n"
"Area range prefix\n"
"Advertise this range (default)\n"
"User specified metric for this range\n"
"Advertised metric for this range\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4_number = 1;
int idx_ipv4_prefixlen = 3;
int idx_cost = 6;
struct prefix_ipv4 p;
struct in_addr area_id;
int format;
uint32_t cost;
VTY_GET_OSPF_AREA_ID(area_id, format, argv[idx_ipv4_number]->arg);
str2prefix_ipv4(argv[idx_ipv4_prefixlen]->arg, &p);
ospf_area_range_set(ospf, area_id, &p, OSPF_AREA_RANGE_ADVERTISE);
if (argc > 5) {
cost = strtoul(argv[idx_cost]->arg, NULL, 10);
ospf_area_range_cost_set(ospf, area_id, &p, cost);
}
return CMD_SUCCESS;
}
DEFUN (ospf_area_range_cost,
ospf_area_range_cost_cmd,
"area <A.B.C.D|(0-4294967295)> range A.B.C.D/M cost (0-16777215)",
"OSPF area parameters\n"
"OSPF area ID in IP address format\n"
"OSPF area ID as a decimal value\n"
"Summarize routes matching address/mask (border routers only)\n"
"Area range prefix\n"
"User specified metric for this range\n"
"Advertised metric for this range\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4_number = 1;
int idx_ipv4_prefixlen = 3;
int idx_cost = 5;
struct prefix_ipv4 p;
struct in_addr area_id;
int format;
uint32_t cost;
VTY_GET_OSPF_AREA_ID(area_id, format, argv[idx_ipv4_number]->arg);
str2prefix_ipv4(argv[idx_ipv4_prefixlen]->arg, &p);
ospf_area_range_set(ospf, area_id, &p, OSPF_AREA_RANGE_ADVERTISE);
ospf_area_display_format_set(ospf, ospf_area_get(ospf, area_id),
format);
cost = strtoul(argv[idx_cost]->arg, NULL, 10);
ospf_area_range_cost_set(ospf, area_id, &p, cost);
return CMD_SUCCESS;
}
DEFUN (ospf_area_range_not_advertise,
ospf_area_range_not_advertise_cmd,
"area <A.B.C.D|(0-4294967295)> range A.B.C.D/M not-advertise",
"OSPF area parameters\n"
"OSPF area ID in IP address format\n"
"OSPF area ID as a decimal value\n"
"Summarize routes matching address/mask (border routers only)\n"
"Area range prefix\n"
"DoNotAdvertise this range\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4_number = 1;
int idx_ipv4_prefixlen = 3;
struct prefix_ipv4 p;
struct in_addr area_id;
int format;
VTY_GET_OSPF_AREA_ID(area_id, format, argv[idx_ipv4_number]->arg);
str2prefix_ipv4(argv[idx_ipv4_prefixlen]->arg, &p);
ospf_area_range_set(ospf, area_id, &p, 0);
ospf_area_display_format_set(ospf, ospf_area_get(ospf, area_id),
format);
ospf_area_range_substitute_unset(ospf, area_id, &p);
return CMD_SUCCESS;
}
DEFUN (no_ospf_area_range,
no_ospf_area_range_cmd,
"no area <A.B.C.D|(0-4294967295)> range A.B.C.D/M [<cost (0-16777215)|advertise [cost (0-16777215)]|not-advertise>]",
NO_STR
"OSPF area parameters\n"
"OSPF area ID in IP address format\n"
"OSPF area ID as a decimal value\n"
"Summarize routes matching address/mask (border routers only)\n"
"Area range prefix\n"
"User specified metric for this range\n"
"Advertised metric for this range\n"
"Advertise this range (default)\n"
"User specified metric for this range\n"
"Advertised metric for this range\n"
"DoNotAdvertise this range\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4_number = 2;
int idx_ipv4_prefixlen = 4;
struct prefix_ipv4 p;
struct in_addr area_id;
int format;
VTY_GET_OSPF_AREA_ID(area_id, format, argv[idx_ipv4_number]->arg);
str2prefix_ipv4(argv[idx_ipv4_prefixlen]->arg, &p);
ospf_area_range_unset(ospf, area_id, &p);
return CMD_SUCCESS;
}
DEFUN (ospf_area_range_substitute,
ospf_area_range_substitute_cmd,
"area <A.B.C.D|(0-4294967295)> range A.B.C.D/M substitute A.B.C.D/M",
"OSPF area parameters\n"
"OSPF area ID in IP address format\n"
"OSPF area ID as a decimal value\n"
"Summarize routes matching address/mask (border routers only)\n"
"Area range prefix\n"
"Announce area range as another prefix\n"
"Network prefix to be announced instead of range\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4_number = 1;
int idx_ipv4_prefixlen = 3;
int idx_ipv4_prefixlen_2 = 5;
struct prefix_ipv4 p, s;
struct in_addr area_id;
int format;
VTY_GET_OSPF_AREA_ID(area_id, format, argv[idx_ipv4_number]->arg);
str2prefix_ipv4(argv[idx_ipv4_prefixlen]->arg, &p);
str2prefix_ipv4(argv[idx_ipv4_prefixlen_2]->arg, &s);
ospf_area_range_substitute_set(ospf, area_id, &p, &s);
ospf_area_display_format_set(ospf, ospf_area_get(ospf, area_id),
format);
return CMD_SUCCESS;
}
DEFUN (no_ospf_area_range_substitute,
no_ospf_area_range_substitute_cmd,
"no area <A.B.C.D|(0-4294967295)> range A.B.C.D/M substitute A.B.C.D/M",
NO_STR
"OSPF area parameters\n"
"OSPF area ID in IP address format\n"
"OSPF area ID as a decimal value\n"
"Summarize routes matching address/mask (border routers only)\n"
"Area range prefix\n"
"Announce area range as another prefix\n"
"Network prefix to be announced instead of range\n")
{
VTY_DECLVAR_INSTANCE_CONTEXT(ospf, ospf);
int idx_ipv4_number = 2;
int idx_ipv4_prefixlen = 4;
int idx_ipv4_prefixlen_2 = 6;
struct prefix_ipv4 p, s;
struct in_addr area_id;
int format;
VTY_GET_OSPF_AREA_ID(area_id, format, argv[idx_ipv4_number]->arg);
str2prefix_ipv4(argv[idx_ipv4_prefixlen]->arg, &p);
str2prefix_ipv4(argv[idx_ipv4_prefixlen_2]->arg, &s);
ospf_area_range_substitute_unset(ospf, area_id, &p);
return CMD_SUCCESS;
}
/* Command Handler Logic in VLink stuff is delicate!!
ALTER AT YOUR OWN RISK!!!!
Various dummy values are used to represent 'NoChange' state for
VLink configuration NOT being changed by a VLink command, and
special syntax is used within the command strings so that the
typed in command verbs can be seen in the configuration command
bacckend handler. This is to drastically reduce the verbeage
required to coe up with a reasonably compatible Cisco VLink command
- Matthew Grant <grantma@anathoth.gen.nz>
Wed, 21 Feb 2001 15:13:52 +1300
*/
/* Configuration data for virtual links
*/
struct ospf_vl_config_data {
struct vty *vty; /* vty stuff */
struct in_addr area_id; /* area ID from command line */
int area_id_fmt; /* command line area ID format */
struct in_addr vl_peer; /* command line vl_peer */
int auth_type; /* Authehntication type, if given */
char *auth_key; /* simple password if present */
int crypto_key_id; /* Cryptographic key ID */
char *md5_key; /* MD5 authentication key */
int hello_interval; /* Obvious what these are... */
int retransmit_interval;
int transmit_delay;
int dead_interval;
};
static void ospf_vl_config_data_init(struct ospf_vl_config_data *vl_config,
struct vty *vty)
{
memset(vl_config, 0, sizeof(struct ospf_vl_config_data));
vl_config->auth_type = OSPF_AUTH_CMD_NOTSEEN;
vl_config->vty = vty;
}
static struct ospf_vl_data *
ospf_find_vl_data(struct ospf *ospf, struct ospf_vl_config_data *vl_config)
{
struct ospf_area *area;
struct ospf_vl_data *vl_data;
struct vty *vty;
struct in_addr area_id;
vty = vl_config->vty;
area_id = vl_config->area_id;
if (area_id.s_addr == OSPF_AREA_BACKBONE) {
vty_out(vty,
"Configuring VLs over the backbone is not allowed\n");
return NULL;
}
area = ospf_area_get(ospf, area_id);
ospf_area_display_format_set(ospf, area, vl_config->area_id_fmt);
if (area->external_routing != OSPF_AREA_DEFAULT) {
if (vl_config->area_id_fmt == OSPF_AREA_ID_FMT_DOTTEDQUAD)
vty_out(vty, "Area %s is %s\n", inet_ntoa(area_id),
area->external_routing == OSPF_AREA_NSSA
? "nssa"
: "stub");
else
vty_out(vty, "Area %ld is %s\n",
(unsigned long)ntohl(area_id.s_addr),
area->external_routing == OSPF_AREA_NSSA
? "nssa"
: "stub");
return NULL;
}
if ((vl_data = ospf_vl_lookup(ospf, area, vl_config->vl_peer))
== NULL) {
vl_data = ospf_vl_data_new(area, vl_config->vl_peer);
if (vl_data->vl_oi == NULL) {
vl_data->vl_oi = ospf_vl_new(ospf, vl_data);
ospf_vl_add(ospf, vl_data);
ospf_spf_calculate_schedule(ospf,
SPF_FLAG_CONFIG_CHANGE);
}
}
return vl_data;
}
static int ospf_vl_set_security(struct ospf_vl_data *vl_data,
struct ospf_vl_config_data *vl_config)
{
struct crypt_key *ck;
struct vty *vty;
struct interface *ifp = vl_data->vl_oi->ifp;
vty = vl_config->vty;
if (vl_config->auth_type != OSPF_AUTH_CMD_NOTSEEN) {
SET_IF_PARAM(IF_DEF_PARAMS(ifp), auth_type);
IF_DEF_PARAMS(ifp)->auth_type = vl_config->auth_type;
}
if (vl_config->auth_key) {
memset(IF_DEF_PARAMS(ifp)->auth_simple, 0,
OSPF_AUTH_SIMPLE_SIZE + 1);
strlcpy((char *)IF_DEF_PARAMS(ifp)->auth_simple,
vl_config->auth_key,
sizeof(IF_DEF_PARAMS(ifp)->auth_simple));
} else if (vl_config->md5_key) {
if (ospf_crypt_key_lookup(IF_DEF_PARAMS(ifp)->auth_crypt,
vl_config->crypto_key_id)
!= NULL) {
vty_out(vty, "OSPF: Key %d already exists\n",
vl_config->crypto_key_id);
return CMD_WARNING;
}
ck = ospf_crypt_key_new();
ck->key_id = vl_config->crypto_key_id;
memset(ck->auth_key, 0, OSPF_AUTH_MD5_SIZE + 1);
strlcpy((char *)ck->auth_key, vl_config->md5_key,
sizeof(ck->auth_key));
ospf_crypt_key_add(IF_DEF_PARAMS(ifp)->auth_crypt, ck);
} else if (vl_config->crypto_key_id != 0) {
/* Delete a key */
if (ospf_crypt_key_lookup(IF_DEF_PARAMS(ifp)->auth_crypt,
vl_config->crypto_key_id)
== NULL) {
vty_out(vty, "OSPF: Key %d does not exist\n",
vl_config->crypto_key_id);
return CMD_WARNING_CONFIG_FAILED;
}
ospf_crypt_key_delete(IF_DEF_PARAMS(ifp)->auth_crypt,
vl_config->crypto_key_id);
}
return CMD_SUCCESS;
}
static int ospf_vl_set_timers(struct ospf_vl_data *vl_data,
struct ospf_vl_config_data *vl_config)
{
struct interface *ifp = vl_data->vl_oi->ifp;
/* Virtual Link data initialised to defaults, so only set
if a value given */
if (vl_config->hello_interval) {
SET_IF_PARAM(IF_DEF_PARAMS(ifp), v_hello);