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nhrp_vty.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/* NHRP vty handling
* Copyright (c) 2014-2015 Timo Teräs
*/
#include "zebra.h"
#include "command.h"
#include "zclient.h"
#include "stream.h"
#include "filter.h"
#include "json.h"
#include "nhrpd.h"
#include "netlink.h"
static int nhrp_config_write(struct vty *vty);
static struct cmd_node zebra_node = {
.name = "zebra",
.node = ZEBRA_NODE,
.parent_node = CONFIG_NODE,
.prompt = "%s(config-router)# ",
.config_write = nhrp_config_write,
};
#define NHRP_DEBUG_FLAGS_CMD "<all|common|event|interface|kernel|route|vici>"
#define NHRP_DEBUG_FLAGS_STR \
"All messages\n" \
"Common messages (default)\n" \
"Event manager messages\n" \
"Interface messages\n" \
"Kernel messages\n" \
"Route messages\n" \
"VICI messages\n"
static const struct message debug_flags_desc[] = {
{NHRP_DEBUG_ALL, "all"}, {NHRP_DEBUG_COMMON, "common"},
{NHRP_DEBUG_IF, "interface"}, {NHRP_DEBUG_KERNEL, "kernel"},
{NHRP_DEBUG_ROUTE, "route"}, {NHRP_DEBUG_VICI, "vici"},
{NHRP_DEBUG_EVENT, "event"}, {0}};
static const struct message interface_flags_desc[] = {
{NHRP_IFF_SHORTCUT, "shortcut"},
{NHRP_IFF_REDIRECT, "redirect"},
{NHRP_IFF_REG_NO_UNIQUE, "registration no-unique"},
{0}};
static int nhrp_vty_return(struct vty *vty, int ret)
{
static const char *const errmsgs[] = {
[NHRP_ERR_FAIL] = "Command failed",
[NHRP_ERR_NO_MEMORY] = "Out of memory",
[NHRP_ERR_UNSUPPORTED_INTERFACE] =
"NHRP not supported on this interface",
[NHRP_ERR_NHRP_NOT_ENABLED] =
"NHRP not enabled (set 'nhrp network-id' first)",
[NHRP_ERR_ENTRY_EXISTS] = "Entry exists already",
[NHRP_ERR_ENTRY_NOT_FOUND] = "Entry not found",
[NHRP_ERR_PROTOCOL_ADDRESS_MISMATCH] =
"Protocol address family does not match command (ip/ipv6 mismatch)",
};
const char *str = NULL;
char buf[256];
if (ret == NHRP_OK)
return CMD_SUCCESS;
if (ret > 0 && ret <= NHRP_ERR_MAX)
if (errmsgs[ret])
str = errmsgs[ret];
if (!str) {
str = buf;
snprintf(buf, sizeof(buf), "Unknown error %d", ret);
}
vty_out(vty, "%% %s\n", str);
return CMD_WARNING_CONFIG_FAILED;
;
}
static int toggle_flag(struct vty *vty, const struct message *flag_desc,
const char *name, int on_off, unsigned *flags)
{
int i;
for (i = 0; flag_desc[i].str != NULL; i++) {
if (strcmp(flag_desc[i].str, name) != 0)
continue;
if (on_off)
*flags |= flag_desc[i].key;
else
*flags &= ~flag_desc[i].key;
return CMD_SUCCESS;
}
vty_out(vty, "%% Invalid value %s\n", name);
return CMD_WARNING_CONFIG_FAILED;
;
}
#ifndef NO_DEBUG
DEFUN_NOSH(show_debugging_nhrp, show_debugging_nhrp_cmd,
"show debugging [nhrp]",
SHOW_STR
"Debugging information\n"
"NHRP configuration\n")
{
int i;
vty_out(vty, "NHRP debugging status:\n");
for (i = 0; debug_flags_desc[i].str != NULL; i++) {
if (debug_flags_desc[i].key == NHRP_DEBUG_ALL)
continue;
if (!(debug_flags_desc[i].key & debug_flags))
continue;
vty_out(vty, " NHRP %s debugging is on\n",
debug_flags_desc[i].str);
}
cmd_show_lib_debugs(vty);
return CMD_SUCCESS;
}
DEFUN(debug_nhrp, debug_nhrp_cmd,
"debug nhrp " NHRP_DEBUG_FLAGS_CMD,
"Enable debug messages for specific or all parts.\n"
"NHRP information\n"
NHRP_DEBUG_FLAGS_STR)
{
return toggle_flag(vty, debug_flags_desc, argv[2]->text, 1,
&debug_flags);
}
DEFUN(no_debug_nhrp, no_debug_nhrp_cmd,
"no debug nhrp " NHRP_DEBUG_FLAGS_CMD,
NO_STR
"Disable debug messages for specific or all parts.\n"
"NHRP information\n"
NHRP_DEBUG_FLAGS_STR)
{
return toggle_flag(vty, debug_flags_desc, argv[3]->text, 0,
&debug_flags);
}
#endif /* NO_DEBUG */
static int nhrp_config_write(struct vty *vty)
{
#ifndef NO_DEBUG
if (debug_flags == NHRP_DEBUG_ALL) {
vty_out(vty, "debug nhrp all\n");
} else {
int i;
for (i = 0; debug_flags_desc[i].str != NULL; i++) {
if (debug_flags_desc[i].key == NHRP_DEBUG_ALL)
continue;
if (!(debug_flags & debug_flags_desc[i].key))
continue;
vty_out(vty, "debug nhrp %s\n",
debug_flags_desc[i].str);
}
}
vty_out(vty, "!\n");
#endif /* NO_DEBUG */
if (nhrp_event_socket_path) {
vty_out(vty, "nhrp event socket %s\n", nhrp_event_socket_path);
}
if (netlink_nflog_group) {
vty_out(vty, "nhrp nflog-group %d\n", netlink_nflog_group);
}
if (netlink_mcast_nflog_group)
vty_out(vty, "nhrp multicast-nflog-group %d\n",
netlink_mcast_nflog_group);
return 0;
}
#define IP_STR "IP information\n"
#define IPV6_STR "IPv6 information\n"
#define AFI_CMD "<ip|ipv6>"
#define AFI_STR IP_STR IPV6_STR
#define NHRP_STR "Next Hop Resolution Protocol functions\n"
static afi_t cmd_to_afi(const struct cmd_token *tok)
{
return strcmp(tok->text, "ipv6") == 0 ? AFI_IP6 : AFI_IP;
}
static const char *afi_to_cmd(afi_t afi)
{
if (afi == AFI_IP6)
return "ipv6";
return "ip";
}
DEFUN(nhrp_event_socket, nhrp_event_socket_cmd,
"nhrp event socket SOCKET",
NHRP_STR
"Event Manager commands\n"
"Event Manager unix socket path\n"
"Unix path for the socket\n")
{
evmgr_set_socket(argv[3]->arg);
return CMD_SUCCESS;
}
DEFUN(no_nhrp_event_socket, no_nhrp_event_socket_cmd,
"no nhrp event socket [SOCKET]",
NO_STR
NHRP_STR
"Event Manager commands\n"
"Event Manager unix socket path\n"
"Unix path for the socket\n")
{
evmgr_set_socket(NULL);
return CMD_SUCCESS;
}
DEFUN(nhrp_nflog_group, nhrp_nflog_group_cmd,
"nhrp nflog-group (1-65535)",
NHRP_STR
"Specify NFLOG group number\n"
"NFLOG group number\n")
{
uint32_t nfgroup;
nfgroup = strtoul(argv[2]->arg, NULL, 10);
netlink_set_nflog_group(nfgroup);
return CMD_SUCCESS;
}
DEFUN(no_nhrp_nflog_group, no_nhrp_nflog_group_cmd,
"no nhrp nflog-group [(1-65535)]",
NO_STR
NHRP_STR
"Specify NFLOG group number\n"
"NFLOG group number\n")
{
netlink_set_nflog_group(0);
return CMD_SUCCESS;
}
DEFUN(nhrp_multicast_nflog_group, nhrp_multicast_nflog_group_cmd,
"nhrp multicast-nflog-group (1-65535)",
NHRP_STR
"Specify NFLOG group number for Multicast Packets\n"
"NFLOG group number\n")
{
uint32_t nfgroup;
nfgroup = strtoul(argv[2]->arg, NULL, 10);
netlink_mcast_set_nflog_group(nfgroup);
return CMD_SUCCESS;
}
DEFUN(no_nhrp_multicast_nflog_group, no_nhrp_multicast_nflog_group_cmd,
"no nhrp multicast-nflog-group [(1-65535)]",
NO_STR
NHRP_STR
"Specify NFLOG group number\n"
"NFLOG group number\n")
{
netlink_mcast_set_nflog_group(0);
return CMD_SUCCESS;
}
DEFUN(tunnel_protection, tunnel_protection_cmd,
"tunnel protection vici profile PROFILE [fallback-profile FALLBACK]",
"NHRP/GRE integration\n"
"IPsec protection\n"
"VICI (StrongSwan)\n"
"IPsec profile\n"
"IPsec profile name\n"
"Fallback IPsec profile\n"
"Fallback IPsec profile name\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
nhrp_interface_set_protection(ifp, argv[4]->arg,
argc > 6 ? argv[6]->arg : NULL);
return CMD_SUCCESS;
}
DEFUN(no_tunnel_protection, no_tunnel_protection_cmd,
"no tunnel protection",
NO_STR
"NHRP/GRE integration\n"
"IPsec protection\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
nhrp_interface_set_protection(ifp, NULL, NULL);
return CMD_SUCCESS;
}
DEFUN(tunnel_source, tunnel_source_cmd,
"tunnel source INTERFACE",
"NHRP/GRE integration\n"
"Tunnel device binding tracking\n"
"Interface name\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
nhrp_interface_set_source(ifp, argv[2]->arg);
return CMD_SUCCESS;
}
DEFUN(no_tunnel_source, no_tunnel_source_cmd,
"no tunnel source",
"NHRP/GRE integration\n"
"Tunnel device binding tracking\n"
"Interface name\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
nhrp_interface_set_source(ifp, NULL);
return CMD_SUCCESS;
}
DEFUN(if_nhrp_network_id, if_nhrp_network_id_cmd,
AFI_CMD " nhrp network-id (1-4294967295)",
AFI_STR
NHRP_STR
"Enable NHRP and specify network-id\n"
"System local ID to specify interface group\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
afi_t afi = cmd_to_afi(argv[0]);
nifp->afi[afi].network_id = strtoul(argv[3]->arg, NULL, 10);
nhrp_interface_update(ifp);
return CMD_SUCCESS;
}
DEFUN(if_no_nhrp_network_id, if_no_nhrp_network_id_cmd,
"no " AFI_CMD " nhrp network-id [(1-4294967295)]",
NO_STR
AFI_STR
NHRP_STR
"Enable NHRP and specify network-id\n"
"System local ID to specify interface group\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
afi_t afi = cmd_to_afi(argv[1]);
nifp->afi[afi].network_id = 0;
nhrp_interface_update(ifp);
return CMD_SUCCESS;
}
DEFUN(if_nhrp_flags, if_nhrp_flags_cmd,
AFI_CMD " nhrp <shortcut|redirect>",
AFI_STR
NHRP_STR
"Allow shortcut establishment\n"
"Send redirect notifications\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
afi_t afi = cmd_to_afi(argv[0]);
return toggle_flag(vty, interface_flags_desc, argv[2]->text, 1,
&nifp->afi[afi].flags);
}
DEFUN(if_no_nhrp_flags, if_no_nhrp_flags_cmd,
"no " AFI_CMD " nhrp <shortcut|redirect>",
NO_STR
AFI_STR
NHRP_STR
"Allow shortcut establishment\n"
"Send redirect notifications\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
afi_t afi = cmd_to_afi(argv[1]);
return toggle_flag(vty, interface_flags_desc, argv[3]->text, 0,
&nifp->afi[afi].flags);
}
DEFUN(if_nhrp_reg_flags, if_nhrp_reg_flags_cmd,
AFI_CMD " nhrp registration no-unique",
AFI_STR
NHRP_STR
"Registration configuration\n"
"Don't set unique flag\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
afi_t afi = cmd_to_afi(argv[0]);
char name[256];
snprintf(name, sizeof(name), "registration %s", argv[3]->text);
return toggle_flag(vty, interface_flags_desc, name, 1,
&nifp->afi[afi].flags);
}
DEFUN(if_no_nhrp_reg_flags, if_no_nhrp_reg_flags_cmd,
"no " AFI_CMD " nhrp registration no-unique",
NO_STR
AFI_STR
NHRP_STR
"Registration configuration\n"
"Don't set unique flag\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
afi_t afi = cmd_to_afi(argv[1]);
char name[256];
snprintf(name, sizeof(name), "registration %s", argv[4]->text);
return toggle_flag(vty, interface_flags_desc, name, 0,
&nifp->afi[afi].flags);
}
DEFUN(if_nhrp_holdtime, if_nhrp_holdtime_cmd,
AFI_CMD " nhrp holdtime (1-65000)",
AFI_STR
NHRP_STR
"Specify NBMA address validity time\n"
"Time in seconds that NBMA addresses are advertised valid\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
afi_t afi = cmd_to_afi(argv[0]);
nifp->afi[afi].holdtime = strtoul(argv[3]->arg, NULL, 10);
nhrp_interface_update(ifp);
return CMD_SUCCESS;
}
DEFUN(if_no_nhrp_holdtime, if_no_nhrp_holdtime_cmd,
"no " AFI_CMD " nhrp holdtime [(1-65000)]",
NO_STR
AFI_STR
NHRP_STR
"Specify NBMA address validity time\n"
"Time in seconds that NBMA addresses are advertised valid\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
afi_t afi = cmd_to_afi(argv[1]);
nifp->afi[afi].holdtime = NHRPD_DEFAULT_HOLDTIME;
nhrp_interface_update(ifp);
return CMD_SUCCESS;
}
DEFUN(if_nhrp_mtu, if_nhrp_mtu_cmd,
"ip nhrp mtu <(576-1500)|opennhrp>",
IP_STR
NHRP_STR
"Configure NHRP advertised MTU\n"
"MTU value\n"
"Advertise bound interface MTU similar to OpenNHRP\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
if (argv[3]->arg[0] == 'o') {
nifp->afi[AFI_IP].configured_mtu = -1;
} else {
nifp->afi[AFI_IP].configured_mtu =
strtoul(argv[3]->arg, NULL, 10);
}
nhrp_interface_update_mtu(ifp, AFI_IP);
return CMD_SUCCESS;
}
DEFUN(if_no_nhrp_mtu, if_no_nhrp_mtu_cmd,
"no ip nhrp mtu [(576-1500)|opennhrp]",
NO_STR
IP_STR
NHRP_STR
"Configure NHRP advertised MTU\n"
"MTU value\n"
"Advertise bound interface MTU similar to OpenNHRP\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct nhrp_interface *nifp = ifp->info;
nifp->afi[AFI_IP].configured_mtu = 0;
nhrp_interface_update_mtu(ifp, AFI_IP);
return CMD_SUCCESS;
}
DEFUN(if_nhrp_map, if_nhrp_map_cmd,
AFI_CMD " nhrp map <A.B.C.D|X:X::X:X> <A.B.C.D|local>",
AFI_STR
NHRP_STR
"Nexthop Server configuration\n"
"IPv4 protocol address\n"
"IPv6 protocol address\n"
"IPv4 NBMA address\n"
"Handle protocol address locally\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
afi_t afi = cmd_to_afi(argv[0]);
union sockunion proto_addr, nbma_addr;
struct nhrp_cache_config *cc;
struct nhrp_cache *c;
enum nhrp_cache_type type;
if (str2sockunion(argv[3]->arg, &proto_addr) < 0
|| afi2family(afi) != sockunion_family(&proto_addr))
return nhrp_vty_return(vty, NHRP_ERR_PROTOCOL_ADDRESS_MISMATCH);
if (strmatch(argv[4]->text, "local"))
type = NHRP_CACHE_LOCAL;
else {
if (str2sockunion(argv[4]->arg, &nbma_addr) < 0)
return nhrp_vty_return(vty, NHRP_ERR_FAIL);
type = NHRP_CACHE_STATIC;
}
cc = nhrp_cache_config_get(ifp, &proto_addr, 1);
if (!cc)
return nhrp_vty_return(vty, NHRP_ERR_FAIL);
cc->nbma = nbma_addr;
cc->type = type;
/* gre layer not ready */
if (ifp->ifindex == IFINDEX_INTERNAL)
return CMD_SUCCESS;
c = nhrp_cache_get(ifp, &proto_addr, 1);
if (!c)
return nhrp_vty_return(vty, NHRP_ERR_FAIL);
c->map = 1;
if (type == NHRP_CACHE_LOCAL)
nhrp_cache_update_binding(c, NHRP_CACHE_LOCAL, 0, NULL, 0,
NULL, NULL);
else
nhrp_cache_update_binding(c, NHRP_CACHE_STATIC, 0,
nhrp_peer_get(ifp, &nbma_addr), 0,
NULL, NULL);
return CMD_SUCCESS;
}
DEFUN(if_no_nhrp_map, if_no_nhrp_map_cmd,
"no " AFI_CMD " nhrp map <A.B.C.D|X:X::X:X> [<A.B.C.D|local>]",
NO_STR
AFI_STR
NHRP_STR
"Nexthop Server configuration\n"
"IPv4 protocol address\n"
"IPv6 protocol address\n"
"IPv4 NBMA address\n"
"Handle protocol address locally\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
afi_t afi = cmd_to_afi(argv[1]);
union sockunion proto_addr, nbma_addr;
struct nhrp_cache_config *cc;
struct nhrp_cache *c;
if (str2sockunion(argv[4]->arg, &proto_addr) < 0
|| afi2family(afi) != sockunion_family(&proto_addr))
return nhrp_vty_return(vty, NHRP_ERR_PROTOCOL_ADDRESS_MISMATCH);
cc = nhrp_cache_config_get(ifp, &proto_addr, 0);
if (!cc)
return nhrp_vty_return(vty, NHRP_ERR_FAIL);
nhrp_cache_config_free(cc);
c = nhrp_cache_get(ifp, &proto_addr, 0);
/* silently return */
if (!c || !c->map)
return CMD_SUCCESS;
nhrp_cache_update_binding(c, c->cur.type, -1,
nhrp_peer_get(ifp, &nbma_addr), 0, NULL,
NULL);
return CMD_SUCCESS;
}
DEFUN(if_nhrp_map_multicast, if_nhrp_map_multicast_cmd,
AFI_CMD " nhrp map multicast <A.B.C.D|X:X::X:X|dynamic>",
AFI_STR
NHRP_STR
"Multicast NBMA Configuration\n"
"Use this NBMA mapping for multicasts\n"
"IPv4 NBMA address\n"
"IPv6 NBMA address\n"
"Dynamically learn destinations from client registrations on hub\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
afi_t afi = cmd_to_afi(argv[0]);
union sockunion nbma_addr;
int ret;
if (str2sockunion(argv[4]->arg, &nbma_addr) < 0)
sockunion_family(&nbma_addr) = AF_UNSPEC;
ret = nhrp_multicast_add(ifp, afi, &nbma_addr);
return nhrp_vty_return(vty, ret);
}
DEFUN(if_no_nhrp_map_multicast, if_no_nhrp_map_multicast_cmd,
"no " AFI_CMD " nhrp map multicast <A.B.C.D|X:X::X:X|dynamic>",
NO_STR
AFI_STR
NHRP_STR
"Multicast NBMA Configuration\n"
"Use this NBMA mapping for multicasts\n"
"IPv4 NBMA address\n"
"IPv6 NBMA address\n"
"Dynamically learn destinations from client registrations on hub\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
afi_t afi = cmd_to_afi(argv[1]);
union sockunion nbma_addr;
int ret;
if (str2sockunion(argv[5]->arg, &nbma_addr) < 0)
sockunion_family(&nbma_addr) = AF_UNSPEC;
ret = nhrp_multicast_del(ifp, afi, &nbma_addr);
return nhrp_vty_return(vty, ret);
}
DEFUN(if_nhrp_nhs, if_nhrp_nhs_cmd,
AFI_CMD " nhrp nhs <A.B.C.D|X:X::X:X|dynamic> nbma <A.B.C.D|FQDN>",
AFI_STR
NHRP_STR
"Nexthop Server configuration\n"
"IPv4 protocol address\n"
"IPv6 protocol address\n"
"Automatic detection of protocol address\n"
"NBMA address\n"
"IPv4 NBMA address\n"
"Fully qualified domain name for NBMA address(es)\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
afi_t afi = cmd_to_afi(argv[0]);
union sockunion proto_addr;
int ret;
if (str2sockunion(argv[3]->arg, &proto_addr) < 0)
sockunion_family(&proto_addr) = AF_UNSPEC;
ret = nhrp_nhs_add(ifp, afi, &proto_addr, argv[5]->arg);
return nhrp_vty_return(vty, ret);
}
DEFUN(if_no_nhrp_nhs, if_no_nhrp_nhs_cmd,
"no " AFI_CMD " nhrp nhs <A.B.C.D|X:X::X:X|dynamic> nbma <A.B.C.D|FQDN>",
NO_STR
AFI_STR
NHRP_STR
"Nexthop Server configuration\n"
"IPv4 protocol address\n"
"IPv6 protocol address\n"
"Automatic detection of protocol address\n"
"NBMA address\n"
"IPv4 NBMA address\n"
"Fully qualified domain name for NBMA address(es)\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
afi_t afi = cmd_to_afi(argv[1]);
union sockunion proto_addr;
int ret;
if (str2sockunion(argv[4]->arg, &proto_addr) < 0)
sockunion_family(&proto_addr) = AF_UNSPEC;
ret = nhrp_nhs_del(ifp, afi, &proto_addr, argv[6]->arg);
return nhrp_vty_return(vty, ret);
}
struct info_ctx {
struct vty *vty;
afi_t afi;
int count;
struct json_object *json;
};
static void show_ip_nhrp_cache(struct nhrp_cache *c, void *pctx)
{
struct info_ctx *ctx = pctx;
struct vty *vty = ctx->vty;
char buf[3][SU_ADDRSTRLEN];
struct json_object *json = NULL;
if (ctx->afi != family2afi(sockunion_family(&c->remote_addr)))
return;
if (!ctx->count && !ctx->json) {
vty_out(vty, "%-8s %-8s %-24s %-24s %-24s %-6s %s\n", "Iface",
"Type", "Protocol", "NBMA", "Claimed NBMA", "Flags",
"Identity");
}
ctx->count++;
sockunion2str(&c->remote_addr, buf[0], sizeof(buf[0]));
if (c->cur.type == NHRP_CACHE_LOCAL) {
struct nhrp_interface *nifp = c->ifp->info;
if (sockunion_family(&nifp->nbma) != AF_UNSPEC) {
sockunion2str(&nifp->nbma, buf[1], sizeof(buf[1]));
sockunion2str(&nifp->nbma, buf[2], sizeof(buf[2]));
} else {
snprintf(buf[1], sizeof(buf[1]), "-");
snprintf(buf[2], sizeof(buf[2]), "-");
}
/* if we are behind NAT then update NBMA field */
if (sockunion_family(&nifp->nat_nbma) != AF_UNSPEC)
sockunion2str(&nifp->nat_nbma, buf[1], sizeof(buf[1]));
} else {
if (c->cur.peer)
sockunion2str(&c->cur.peer->vc->remote.nbma,
buf[1], sizeof(buf[1]));
else
snprintf(buf[1], sizeof(buf[1]), "-");
if (c->cur.peer
&& sockunion_family(&c->cur.remote_nbma_claimed)
!= AF_UNSPEC)
sockunion2str(&c->cur.remote_nbma_claimed,
buf[2], sizeof(buf[2]));
else
snprintf(buf[2], sizeof(buf[2]), "-");
}
if (ctx->json) {
json = json_object_new_object();
json_object_string_add(json, "interface", c->ifp->name);
json_object_string_add(json, "type",
nhrp_cache_type_str[c->cur.type]);
json_object_string_add(json, "protocol", buf[0]);
json_object_string_add(json, "nbma", buf[1]);
json_object_string_add(json, "claimed_nbma", buf[2]);
if (c->used)
json_object_boolean_true_add(json, "used");
else
json_object_boolean_false_add(json, "used");
if (c->t_timeout)
json_object_boolean_true_add(json, "timeout");
else
json_object_boolean_false_add(json, "timeout");
if (c->t_auth)
json_object_boolean_true_add(json, "auth");
else
json_object_boolean_false_add(json, "auth");
if (c->cur.peer)
json_object_string_add(json, "identity",
c->cur.peer->vc->remote.id);
else
json_object_string_add(json, "identity", "-");
json_object_array_add(ctx->json, json);
return;
}
vty_out(ctx->vty, "%-8s %-8s %-24s %-24s %-24s %c%c%c %s\n",
c->ifp->name,
nhrp_cache_type_str[c->cur.type],
buf[0], buf[1], buf[2],
c->used ? 'U' : ' ', c->t_timeout ? 'T' : ' ',
c->t_auth ? 'A' : ' ',
c->cur.peer ? c->cur.peer->vc->remote.id : "-");
}
static void show_ip_nhrp_nhs(struct nhrp_nhs *n, struct nhrp_registration *reg,
void *pctx)
{
struct info_ctx *ctx = pctx;
struct vty *vty = ctx->vty;
char buf[2][SU_ADDRSTRLEN];
struct json_object *json = NULL;
if (!ctx->count && !ctx->json) {
vty_out(vty, "%-8s %-24s %-16s %-16s\n", "Iface", "FQDN",
"NBMA", "Protocol");
}
ctx->count++;
if (reg && reg->peer)
sockunion2str(®->peer->vc->remote.nbma, buf[0],
sizeof(buf[0]));
else
snprintf(buf[0], sizeof(buf[0]), "-");
sockunion2str(reg ? ®->proto_addr : &n->proto_addr, buf[1],
sizeof(buf[1]));
if (ctx->json) {
json = json_object_new_object();
json_object_string_add(json, "interface", n->ifp->name);
json_object_string_add(json, "fqdn", n->nbma_fqdn);
json_object_string_add(json, "nbma", buf[0]);
json_object_string_add(json, "protocol", buf[1]);
json_object_array_add(ctx->json, json);
return;
}
vty_out(vty, "%-8s %-24s %-16s %-16s\n", n->ifp->name, n->nbma_fqdn,
buf[0], buf[1]);
}
static void show_ip_nhrp_shortcut(struct nhrp_shortcut *s, void *pctx)
{
struct info_ctx *ctx = pctx;
struct nhrp_cache *c;
struct vty *vty = ctx->vty;
char buf1[PREFIX_STRLEN], buf2[SU_ADDRSTRLEN];
struct json_object *json = NULL;
if (!ctx->count) {
vty_out(vty, "%-8s %-24s %-24s %s\n", "Type", "Prefix", "Via",
"Identity");
}
ctx->count++;
c = s->cache;
buf2[0] = '\0';
if (c)
sockunion2str(&c->remote_addr, buf2, sizeof(buf2));
prefix2str(s->p, buf1, sizeof(buf1));
if (ctx->json) {
json = json_object_new_object();
json_object_string_add(json, "type",
nhrp_cache_type_str[s->type]);
json_object_string_add(json, "prefix", buf1);
if (c)
json_object_string_add(json, "via", buf2);
if (c && c->cur.peer)
json_object_string_add(json, "identity",
c->cur.peer->vc->remote.id);
else
json_object_string_add(json, "identity", "");
json_object_array_add(ctx->json, json);
return;
}
vty_out(ctx->vty, "%-8s %-24s %-24s %s\n",
nhrp_cache_type_str[s->type],
buf1, buf2,
(c && c->cur.peer) ? c->cur.peer->vc->remote.id : "");
}
static void show_ip_opennhrp_cache(struct nhrp_cache *c, void *pctx)
{
struct info_ctx *ctx = pctx;
char buf[3][SU_ADDRSTRLEN];
struct json_object *json = NULL;
if (ctx->afi != family2afi(sockunion_family(&c->remote_addr)))
return;
sockunion2str(&c->remote_addr, buf[0], sizeof(buf[0]));
if (c->cur.peer)
sockunion2str(&c->cur.peer->vc->remote.nbma, buf[1],
sizeof(buf[1]));
if (sockunion_family(&c->cur.remote_nbma_natoa) != AF_UNSPEC)
sockunion2str(&c->cur.remote_nbma_natoa, buf[2],
sizeof(buf[2]));
if (ctx->json) {
json = json_object_new_object();
json_object_string_add(json, "type",
nhrp_cache_type_str[c->cur.type]);
if (c->cur.peer && c->cur.peer->online)
json_object_boolean_true_add(json, "up");
else
json_object_boolean_false_add(json, "up");
if (c->used)
json_object_boolean_true_add(json, "used");
else
json_object_boolean_false_add(json, "used");
json_object_string_add(json, "protocolAddress", buf[0]);
json_object_int_add(json, "protocolAddressSize",
8 * family2addrsize(sockunion_family
(&c->remote_addr)));
if (c->cur.peer)
json_object_string_add(json, "nbmaAddress", buf[1]);
if (sockunion_family(&c->cur.remote_nbma_natoa) != AF_UNSPEC)
json_object_string_add(json, "nbmaNatOaAddress",
buf[2]);
json_object_array_add(ctx->json, json);
return;
}
vty_out(ctx->vty,
"Type: %s\n"
"Flags:%s%s\n"
"Protocol-Address: %s/%zu\n",
nhrp_cache_type_str[c->cur.type],
(c->cur.peer && c->cur.peer->online) ? " up" : "",
c->used ? " used" : "",
buf[0],
8 * family2addrsize(sockunion_family(&c->remote_addr)));
if (c->cur.peer)
vty_out(ctx->vty, "NBMA-Address: %s\n", buf[1]);
if (sockunion_family(&c->cur.remote_nbma_natoa) != AF_UNSPEC)
vty_out(ctx->vty, "NBMA-NAT-OA-Address: %s\n", buf[2]);
vty_out(ctx->vty, "\n\n");
}
DEFUN(show_ip_nhrp, show_ip_nhrp_cmd,
"show " AFI_CMD " nhrp [cache|nhs|shortcut|opennhrp] [json]",
SHOW_STR
AFI_STR
"NHRP information\n"
"Forwarding cache information\n"
"Next hop server information\n"
"Shortcut information\n"
"opennhrpctl style cache dump\n"
JSON_STR)
{
struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
struct interface *ifp;
struct info_ctx ctx = {
.vty = vty, .afi = cmd_to_afi(argv[1]), .json = NULL
};
bool uj = use_json(argc, argv);
struct json_object *json_path = NULL;
struct json_object *json_vrf = NULL, *json_vrf_path = NULL;
int ret = CMD_SUCCESS;
if (uj) {
json_vrf = json_object_new_object();
json_vrf_path = json_object_new_object();
json_path = json_object_new_array();
ctx.json = json_path;
}
if (argc <= 3 || argv[3]->text[0] == 'c') {
FOR_ALL_INTERFACES (vrf, ifp)
nhrp_cache_foreach(ifp, show_ip_nhrp_cache, &ctx);
} else if (argv[3]->text[0] == 'n') {
FOR_ALL_INTERFACES (vrf, ifp)
nhrp_nhs_foreach(ifp, ctx.afi, show_ip_nhrp_nhs, &ctx);
} else if (argv[3]->text[0] == 's') {
nhrp_shortcut_foreach(ctx.afi, show_ip_nhrp_shortcut, &ctx);
} else {
if (!ctx.json)
vty_out(vty, "Status: ok\n\n");
else
json_object_string_add(json_vrf, "status", "ok");
ctx.count++;
FOR_ALL_INTERFACES (vrf, ifp)
nhrp_cache_foreach(ifp, show_ip_opennhrp_cache, &ctx);
}
if (uj)
json_object_int_add(json_vrf, "entriesCount", ctx.count);
if (!ctx.count) {
if (!ctx.json)
vty_out(vty, "%% No entries\n");
ret = CMD_WARNING;
}
if (uj) {
json_object_object_add(json_vrf_path, "attr", json_vrf);
json_object_object_add(json_vrf_path, "table", ctx.json);
vty_json(vty, json_vrf_path);
}
return ret;
}
struct dmvpn_cfg {
struct vty *vty;
struct json_object *json;
};
static void show_dmvpn_entry(struct nhrp_vc *vc, void *ctx)
{
struct dmvpn_cfg *ctxt = ctx;