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frr/staticd/static_vty.c

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/*
* STATICd - vty code
* Copyright (C) 2018 Cumulus Networks, Inc.
* Donald Sharp
*
* This program 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 of the License, or (at your option)
* any later version.
*
* This program 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 "command.h"
#include "vty.h"
#include "vrf.h"
#include "prefix.h"
#include "nexthop.h"
#include "table.h"
#include "srcdest_table.h"
#include "mpls.h"
#include "northbound.h"
#include "libfrr.h"
#include "routing_nb.h"
#include "northbound_cli.h"
#include "static_vrf.h"
#include "static_vty.h"
#include "static_routes.h"
#include "static_debug.h"
#ifndef VTYSH_EXTRACT_PL
#include "staticd/static_vty_clippy.c"
#endif
#include "static_nb.h"
#define STATICD_STR "Static route daemon\n"
static int static_route_leak(struct vty *vty, const char *svrf,
const char *nh_svrf, afi_t afi, safi_t safi,
const char *negate, const char *dest_str,
const char *mask_str, const char *src_str,
const char *gate_str, const char *ifname,
const char *flag_str, const char *tag_str,
const char *distance_str, const char *label_str,
const char *table_str, bool onlink,
const char *color_str)
{
int ret;
struct prefix p, src;
struct in_addr mask;
enum static_nh_type type;
const char *bh_type;
char xpath_prefix[XPATH_MAXLEN];
char xpath_nexthop[XPATH_MAXLEN];
char xpath_mpls[XPATH_MAXLEN];
char xpath_label[XPATH_MAXLEN];
char ab_xpath[XPATH_MAXLEN];
char buf_prefix[PREFIX_STRLEN];
char buf_src_prefix[PREFIX_STRLEN];
char buf_nh_type[PREFIX_STRLEN];
char buf_tag[PREFIX_STRLEN];
uint8_t label_stack_id = 0;
const char *buf_gate_str;
uint8_t distance = ZEBRA_STATIC_DISTANCE_DEFAULT;
route_tag_t tag = 0;
uint32_t table_id = 0;
const struct lyd_node *dnode;
memset(buf_src_prefix, 0, PREFIX_STRLEN);
memset(buf_nh_type, 0, PREFIX_STRLEN);
ret = str2prefix(dest_str, &p);
if (ret <= 0) {
vty_out(vty, "%% Malformed address\n");
return CMD_WARNING_CONFIG_FAILED;
}
switch (afi) {
case AFI_IP:
/* Cisco like mask notation. */
if (mask_str) {
ret = inet_aton(mask_str, &mask);
if (ret == 0) {
vty_out(vty, "%% Malformed address\n");
return CMD_WARNING_CONFIG_FAILED;
}
p.prefixlen = ip_masklen(mask);
}
break;
case AFI_IP6:
/* srcdest routing */
if (src_str) {
ret = str2prefix(src_str, &src);
if (ret <= 0 || src.family != AF_INET6) {
vty_out(vty, "%% Malformed source address\n");
return CMD_WARNING_CONFIG_FAILED;
}
}
break;
default:
break;
}
/* Apply mask for given prefix. */
apply_mask(&p);
prefix2str(&p, buf_prefix, sizeof(buf_prefix));
if (src_str)
prefix2str(&src, buf_src_prefix, sizeof(buf_src_prefix));
if (gate_str)
buf_gate_str = gate_str;
else
buf_gate_str = "";
if (gate_str == NULL && ifname == NULL)
type = STATIC_BLACKHOLE;
else if (gate_str && ifname) {
if (afi == AFI_IP)
type = STATIC_IPV4_GATEWAY_IFNAME;
else
type = STATIC_IPV6_GATEWAY_IFNAME;
} else if (ifname)
type = STATIC_IFNAME;
else {
if (afi == AFI_IP)
type = STATIC_IPV4_GATEWAY;
else
type = STATIC_IPV6_GATEWAY;
}
/* Administrative distance. */
if (distance_str)
distance = atoi(distance_str);
else
distance = ZEBRA_STATIC_DISTANCE_DEFAULT;
/* tag */
if (tag_str)
tag = strtoul(tag_str, NULL, 10);
/* TableID */
if (table_str)
table_id = atol(table_str);
static_get_nh_type(type, buf_nh_type, PREFIX_STRLEN);
if (!negate) {
if (src_str)
snprintf(ab_xpath, sizeof(ab_xpath),
FRR_DEL_S_ROUTE_SRC_NH_KEY_NO_DISTANCE_XPATH,
"frr-staticd:staticd", "staticd", svrf,
buf_prefix,
yang_afi_safi_value2identity(afi, safi),
buf_src_prefix, table_id, buf_nh_type, nh_svrf,
buf_gate_str, ifname);
else
snprintf(ab_xpath, sizeof(ab_xpath),
FRR_DEL_S_ROUTE_NH_KEY_NO_DISTANCE_XPATH,
"frr-staticd:staticd", "staticd", svrf,
buf_prefix,
yang_afi_safi_value2identity(afi, safi),
table_id, buf_nh_type, nh_svrf, buf_gate_str,
ifname);
/*
* If there's already the same nexthop but with a different
* distance, then remove it for the replacement.
*/
dnode = yang_dnode_get(vty->candidate_config->dnode, ab_xpath);
if (dnode) {
dnode = yang_get_subtree_with_no_sibling(dnode);
assert(dnode);
yang_dnode_get_path(dnode, ab_xpath, XPATH_MAXLEN);
nb_cli_enqueue_change(vty, ab_xpath, NB_OP_DESTROY,
NULL);
}
/* route + path procesing */
if (src_str)
snprintf(xpath_prefix, sizeof(xpath_prefix),
FRR_S_ROUTE_SRC_INFO_KEY_XPATH,
"frr-staticd:staticd", "staticd", svrf,
buf_prefix,
yang_afi_safi_value2identity(afi, safi),
buf_src_prefix, table_id, distance);
else
snprintf(xpath_prefix, sizeof(xpath_prefix),
FRR_STATIC_ROUTE_INFO_KEY_XPATH,
"frr-staticd:staticd", "staticd", svrf,
buf_prefix,
yang_afi_safi_value2identity(afi, safi),
table_id, distance);
nb_cli_enqueue_change(vty, xpath_prefix, NB_OP_CREATE, NULL);
/* Tag processing */
snprintf(buf_tag, sizeof(buf_tag), "%u", tag);
strlcpy(ab_xpath, xpath_prefix, sizeof(ab_xpath));
strlcat(ab_xpath, FRR_STATIC_ROUTE_PATH_TAG_XPATH,
sizeof(ab_xpath));
nb_cli_enqueue_change(vty, ab_xpath, NB_OP_MODIFY, buf_tag);
/* nexthop processing */
snprintf(ab_xpath, sizeof(ab_xpath),
FRR_STATIC_ROUTE_NH_KEY_XPATH, buf_nh_type, nh_svrf,
buf_gate_str, ifname);
strlcpy(xpath_nexthop, xpath_prefix, sizeof(xpath_nexthop));
strlcat(xpath_nexthop, ab_xpath, sizeof(xpath_nexthop));
nb_cli_enqueue_change(vty, xpath_nexthop, NB_OP_CREATE, NULL);
if (type == STATIC_BLACKHOLE) {
strlcpy(ab_xpath, xpath_nexthop, sizeof(ab_xpath));
strlcat(ab_xpath, FRR_STATIC_ROUTE_NH_BH_XPATH,
sizeof(ab_xpath));
/* Route flags */
if (flag_str) {
switch (flag_str[0]) {
case 'r':
bh_type = "reject";
break;
case 'b':
bh_type = "unspec";
break;
case 'N':
bh_type = "null";
break;
default:
bh_type = NULL;
break;
}
nb_cli_enqueue_change(vty, ab_xpath,
NB_OP_MODIFY, bh_type);
} else {
nb_cli_enqueue_change(vty, ab_xpath,
NB_OP_MODIFY, "null");
}
}
if (type == STATIC_IPV4_GATEWAY_IFNAME
|| type == STATIC_IPV6_GATEWAY_IFNAME) {
strlcpy(ab_xpath, xpath_nexthop, sizeof(ab_xpath));
strlcat(ab_xpath, FRR_STATIC_ROUTE_NH_ONLINK_XPATH,
sizeof(ab_xpath));
if (onlink)
nb_cli_enqueue_change(vty, ab_xpath,
NB_OP_MODIFY, "true");
else
nb_cli_enqueue_change(vty, ab_xpath,
NB_OP_MODIFY, "false");
}
if (type == STATIC_IPV4_GATEWAY
|| type == STATIC_IPV6_GATEWAY
|| type == STATIC_IPV4_GATEWAY_IFNAME
|| type == STATIC_IPV6_GATEWAY_IFNAME) {
strlcpy(ab_xpath, xpath_nexthop, sizeof(ab_xpath));
strlcat(ab_xpath, FRR_STATIC_ROUTE_NH_COLOR_XPATH,
sizeof(ab_xpath));
if (color_str)
nb_cli_enqueue_change(vty, ab_xpath,
NB_OP_MODIFY, color_str);
}
if (label_str) {
/* copy of label string (start) */
char *ostr;
/* pointer to next segment */
char *nump;
strlcpy(xpath_mpls, xpath_nexthop, sizeof(xpath_mpls));
strlcat(xpath_mpls, FRR_STATIC_ROUTE_NH_LABEL_XPATH,
sizeof(xpath_mpls));
nb_cli_enqueue_change(vty, xpath_mpls, NB_OP_DESTROY,
NULL);
ostr = XSTRDUP(MTYPE_TMP, label_str);
while ((nump = strsep(&ostr, "/")) != NULL) {
snprintf(ab_xpath, sizeof(ab_xpath),
FRR_STATIC_ROUTE_NHLB_KEY_XPATH,
label_stack_id);
strlcpy(xpath_label, xpath_mpls,
sizeof(xpath_label));
strlcat(xpath_label, ab_xpath,
sizeof(xpath_label));
nb_cli_enqueue_change(vty, xpath_label,
NB_OP_MODIFY, nump);
label_stack_id++;
}
XFREE(MTYPE_TMP, ostr);
} else {
strlcpy(xpath_mpls, xpath_nexthop, sizeof(xpath_mpls));
strlcat(xpath_mpls, FRR_STATIC_ROUTE_NH_LABEL_XPATH,
sizeof(xpath_mpls));
nb_cli_enqueue_change(vty, xpath_mpls, NB_OP_DESTROY,
NULL);
}
ret = nb_cli_apply_changes(vty, xpath_prefix);
} else {
if (src_str)
snprintf(ab_xpath, sizeof(ab_xpath),
FRR_DEL_S_ROUTE_SRC_NH_KEY_NO_DISTANCE_XPATH,
"frr-staticd:staticd", "staticd", svrf,
buf_prefix,
yang_afi_safi_value2identity(afi, safi),
buf_src_prefix, table_id, buf_nh_type, nh_svrf,
buf_gate_str, ifname);
else
snprintf(ab_xpath, sizeof(ab_xpath),
FRR_DEL_S_ROUTE_NH_KEY_NO_DISTANCE_XPATH,
"frr-staticd:staticd", "staticd", svrf,
buf_prefix,
yang_afi_safi_value2identity(afi, safi),
table_id, buf_nh_type, nh_svrf, buf_gate_str,
ifname);
dnode = yang_dnode_get(vty->candidate_config->dnode, ab_xpath);
if (!dnode) {
vty_out(vty,
"%% Refusing to remove a non-existent route\n");
return CMD_SUCCESS;
}
dnode = yang_get_subtree_with_no_sibling(dnode);
assert(dnode);
yang_dnode_get_path(dnode, ab_xpath, XPATH_MAXLEN);
nb_cli_enqueue_change(vty, ab_xpath, NB_OP_DESTROY, NULL);
ret = nb_cli_apply_changes(vty, ab_xpath);
}
return ret;
}
static int static_route(struct vty *vty, afi_t afi, safi_t safi,
const char *negate, const char *dest_str,
const char *mask_str, const char *src_str,
const char *gate_str, const char *ifname,
const char *flag_str, const char *tag_str,
const char *distance_str, const char *vrf_name,
const char *label_str, const char *table_str)
{
if (!vrf_name)
vrf_name = VRF_DEFAULT_NAME;
return static_route_leak(vty, vrf_name, vrf_name, afi, safi, negate,
dest_str, mask_str, src_str, gate_str, ifname,
flag_str, tag_str, distance_str, label_str,
table_str, false, NULL);
}
/* Static unicast routes for multicast RPF lookup. */
DEFPY_YANG (ip_mroute_dist,
ip_mroute_dist_cmd,
"[no] ip mroute A.B.C.D/M$prefix <A.B.C.D$gate|INTERFACE$ifname> [(1-255)$distance]",
NO_STR
IP_STR
"Configure static unicast route into MRIB for multicast RPF lookup\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"Nexthop address\n"
"Nexthop interface name\n"
"Distance\n")
{
return static_route(vty, AFI_IP, SAFI_MULTICAST, no, prefix_str,
NULL, NULL, gate_str, ifname, NULL, NULL,
distance_str, NULL, NULL, NULL);
}
/* Static route configuration. */
DEFPY_YANG(ip_route_blackhole,
ip_route_blackhole_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
<reject|blackhole>$flag \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"Emit an ICMP unreachable when matched\n"
"Silently discard pkts when matched\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n")
{
return static_route(vty, AFI_IP, SAFI_UNICAST, no, prefix,
mask_str, NULL, NULL, NULL, flag, tag_str,
distance_str, vrf, label, table_str);
}
DEFPY_YANG(ip_route_blackhole_vrf,
ip_route_blackhole_vrf_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
<reject|blackhole>$flag \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|label WORD \
|table (1-4294967295) \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"Emit an ICMP unreachable when matched\n"
"Silently discard pkts when matched\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n")
{
const struct lyd_node *vrf_dnode;
const char *vrfname;
vrf_dnode =
yang_dnode_get(vty->candidate_config->dnode, VTY_CURR_XPATH);
if (!vrf_dnode) {
vty_out(vty, "%% Failed to get vrf dnode in candidate db\n");
return CMD_WARNING_CONFIG_FAILED;
}
vrfname = yang_dnode_get_string(vrf_dnode, "./name");
/*
* Coverity is complaining that prefix could
* be dereferenced, but we know that prefix will
* valid. Add an assert to make it happy
*/
assert(prefix);
return static_route_leak(vty, vrfname, vrfname, AFI_IP, SAFI_UNICAST,
no, prefix, mask_str, NULL, NULL, NULL, flag,
tag_str, distance_str, label, table_str,
false, NULL);
}
DEFPY_YANG(ip_route_address_interface,
ip_route_address_interface_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
A.B.C.D$gate \
<INTERFACE|Null0>$ifname \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
|onlink$onlink \
|color (1-4294967295) \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"IP gateway address\n"
"IP gateway interface name\n"
"Null interface\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR
"Treat the nexthop as directly attached to the interface\n"
"SR-TE color\n"
"The SR-TE color to configure\n")
{
const char *nh_vrf;
const char *flag = NULL;
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
if (!vrf)
vrf = VRF_DEFAULT_NAME;
if (nexthop_vrf)
nh_vrf = nexthop_vrf;
else
nh_vrf = vrf;
return static_route_leak(vty, vrf, nh_vrf, AFI_IP, SAFI_UNICAST, no,
prefix, mask_str, NULL, gate_str, ifname, flag,
tag_str, distance_str, label, table_str,
!!onlink, color_str);
}
DEFPY_YANG(ip_route_address_interface_vrf,
ip_route_address_interface_vrf_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
A.B.C.D$gate \
<INTERFACE|Null0>$ifname \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
|onlink$onlink \
|color (1-4294967295) \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"IP gateway address\n"
"IP gateway interface name\n"
"Null interface\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR
"Treat the nexthop as directly attached to the interface\n"
"SR-TE color\n"
"The SR-TE color to configure\n")
{
const char *nh_vrf;
const char *flag = NULL;
const struct lyd_node *vrf_dnode;
const char *vrfname;
vrf_dnode =
yang_dnode_get(vty->candidate_config->dnode, VTY_CURR_XPATH);
if (!vrf_dnode) {
vty_out(vty, "%% Failed to get vrf dnode in candidate db\n");
return CMD_WARNING_CONFIG_FAILED;
}
vrfname = yang_dnode_get_string(vrf_dnode, "./name");
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
if (nexthop_vrf)
nh_vrf = nexthop_vrf;
else
nh_vrf = vrfname;
return static_route_leak(vty, vrfname, nh_vrf, AFI_IP, SAFI_UNICAST, no,
prefix, mask_str, NULL, gate_str, ifname, flag,
tag_str, distance_str, label, table_str,
!!onlink, color_str);
}
DEFPY_YANG(ip_route,
ip_route_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
<A.B.C.D$gate|<INTERFACE|Null0>$ifname> \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
|color (1-4294967295) \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"IP gateway address\n"
"IP gateway interface name\n"
"Null interface\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR
"SR-TE color\n"
"The SR-TE color to configure\n")
{
const char *nh_vrf;
const char *flag = NULL;
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
if (!vrf)
vrf = VRF_DEFAULT_NAME;
if (nexthop_vrf)
nh_vrf = nexthop_vrf;
else
nh_vrf = vrf;
return static_route_leak(vty, vrf, nh_vrf, AFI_IP, SAFI_UNICAST, no,
prefix, mask_str, NULL, gate_str, ifname, flag,
tag_str, distance_str, label, table_str,
false, color_str);
}
DEFPY_YANG(ip_route_vrf,
ip_route_vrf_cmd,
"[no] ip route\
<A.B.C.D/M$prefix|A.B.C.D$prefix A.B.C.D$mask> \
<A.B.C.D$gate|<INTERFACE|Null0>$ifname> \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
|color (1-4294967295) \
}]",
NO_STR IP_STR
"Establish static routes\n"
"IP destination prefix (e.g. 10.0.0.0/8)\n"
"IP destination prefix\n"
"IP destination prefix mask\n"
"IP gateway address\n"
"IP gateway interface name\n"
"Null interface\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this route\n"
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR
"SR-TE color\n"
"The SR-TE color to configure\n")
{
const char *nh_vrf;
const char *flag = NULL;
const struct lyd_node *vrf_dnode;
const char *vrfname;
vrf_dnode =
yang_dnode_get(vty->candidate_config->dnode, VTY_CURR_XPATH);
if (!vrf_dnode) {
vty_out(vty, "%% Failed to get vrf dnode in candidate db\n");
return CMD_WARNING_CONFIG_FAILED;
}
vrfname = yang_dnode_get_string(vrf_dnode, "./name");
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
if (nexthop_vrf)
nh_vrf = nexthop_vrf;
else
nh_vrf = vrfname;
return static_route_leak(vty, vrfname, nh_vrf, AFI_IP, SAFI_UNICAST, no,
prefix, mask_str, NULL, gate_str, ifname, flag,
tag_str, distance_str, label, table_str,
false, color_str);
}
DEFPY_YANG(ipv6_route_blackhole,
ipv6_route_blackhole_cmd,
"[no] ipv6 route X:X::X:X/M$prefix [from X:X::X:X/M] \
<reject|blackhole>$flag \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
}]",
NO_STR
IPV6_STR
"Establish static routes\n"
"IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
"IPv6 source-dest route\n"
"IPv6 source prefix\n"
"Emit an ICMP unreachable when matched\n"
"Silently discard pkts when matched\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this prefix\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n")
{
return static_route(vty, AFI_IP6, SAFI_UNICAST, no, prefix_str,
NULL, from_str, NULL, NULL, flag, tag_str,
distance_str, vrf, label, table_str);
}
DEFPY_YANG(ipv6_route_blackhole_vrf,
ipv6_route_blackhole_vrf_cmd,
"[no] ipv6 route X:X::X:X/M$prefix [from X:X::X:X/M] \
<reject|blackhole>$flag \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|label WORD \
|table (1-4294967295) \
}]",
NO_STR
IPV6_STR
"Establish static routes\n"
"IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
"IPv6 source-dest route\n"
"IPv6 source prefix\n"
"Emit an ICMP unreachable when matched\n"
"Silently discard pkts when matched\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this prefix\n"
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n")
{
const struct lyd_node *vrf_dnode;
const char *vrfname;
vrf_dnode =
yang_dnode_get(vty->candidate_config->dnode, VTY_CURR_XPATH);
if (!vrf_dnode) {
vty_out(vty, "%% Failed to get vrf dnode in candidate db\n");
return CMD_WARNING_CONFIG_FAILED;
}
vrfname = yang_dnode_get_string(vrf_dnode, "./name");
/*
* Coverity is complaining that prefix could
* be dereferenced, but we know that prefix will
* valid. Add an assert to make it happy
*/
assert(prefix);
return static_route_leak(vty, vrfname, vrfname, AFI_IP6, SAFI_UNICAST,
no, prefix_str, NULL, from_str, NULL, NULL,
flag, tag_str, distance_str, label, table_str,
false, NULL);
}
DEFPY_YANG(ipv6_route_address_interface,
ipv6_route_address_interface_cmd,
"[no] ipv6 route X:X::X:X/M$prefix [from X:X::X:X/M] \
X:X::X:X$gate \
<INTERFACE|Null0>$ifname \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
|onlink$onlink \
|color (1-4294967295) \
}]",
NO_STR
IPV6_STR
"Establish static routes\n"
"IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
"IPv6 source-dest route\n"
"IPv6 source prefix\n"
"IPv6 gateway address\n"
"IPv6 gateway interface name\n"
"Null interface\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this prefix\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR
"Treat the nexthop as directly attached to the interface\n"
"SR-TE color\n"
"The SR-TE color to configure\n")
{
const char *nh_vrf;
const char *flag = NULL;
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
if (!vrf)
vrf = VRF_DEFAULT_NAME;
if (nexthop_vrf)
nh_vrf = nexthop_vrf;
else
nh_vrf = vrf;
return static_route_leak(vty, vrf, nh_vrf, AFI_IP6, SAFI_UNICAST, no,
prefix_str, NULL, from_str, gate_str, ifname,
flag, tag_str, distance_str, label, table_str,
!!onlink, color_str);
}
DEFPY_YANG(ipv6_route_address_interface_vrf,
ipv6_route_address_interface_vrf_cmd,
"[no] ipv6 route X:X::X:X/M$prefix [from X:X::X:X/M] \
X:X::X:X$gate \
<INTERFACE|Null0>$ifname \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
|onlink$onlink \
|color (1-4294967295) \
}]",
NO_STR
IPV6_STR
"Establish static routes\n"
"IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
"IPv6 source-dest route\n"
"IPv6 source prefix\n"
"IPv6 gateway address\n"
"IPv6 gateway interface name\n"
"Null interface\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this prefix\n"
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR
"Treat the nexthop as directly attached to the interface\n"
"SR-TE color\n"
"The SR-TE color to configure\n")
{
const char *nh_vrf;
const char *flag = NULL;
const struct lyd_node *vrf_dnode;
const char *vrfname;
vrf_dnode =
yang_dnode_get(vty->candidate_config->dnode, VTY_CURR_XPATH);
if (!vrf_dnode) {
vty_out(vty, "%% Failed to get vrf dnode in candidate db\n");
return CMD_WARNING_CONFIG_FAILED;
}
vrfname = yang_dnode_get_string(vrf_dnode, "./name");
if (nexthop_vrf)
nh_vrf = nexthop_vrf;
else
nh_vrf = vrfname;
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
return static_route_leak(vty, vrfname, nh_vrf, AFI_IP6, SAFI_UNICAST,
no, prefix_str, NULL, from_str, gate_str,
ifname, flag, tag_str, distance_str, label,
table_str, !!onlink, color_str);
}
DEFPY_YANG(ipv6_route,
ipv6_route_cmd,
"[no] ipv6 route X:X::X:X/M$prefix [from X:X::X:X/M] \
<X:X::X:X$gate|<INTERFACE|Null0>$ifname> \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|vrf NAME \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
|color (1-4294967295) \
}]",
NO_STR
IPV6_STR
"Establish static routes\n"
"IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
"IPv6 source-dest route\n"
"IPv6 source prefix\n"
"IPv6 gateway address\n"
"IPv6 gateway interface name\n"
"Null interface\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this prefix\n"
VRF_CMD_HELP_STR
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR
"SR-TE color\n"
"The SR-TE color to configure\n")
{
const char *nh_vrf;
const char *flag = NULL;
if (!vrf)
vrf = VRF_DEFAULT_NAME;
if (nexthop_vrf)
nh_vrf = nexthop_vrf;
else
nh_vrf = vrf;
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
return static_route_leak(vty, vrf, nh_vrf, AFI_IP6, SAFI_UNICAST, no,
prefix_str, NULL, from_str, gate_str, ifname,
flag, tag_str, distance_str, label, table_str,
false, color_str);
}
DEFPY_YANG(ipv6_route_vrf,
ipv6_route_vrf_cmd,
"[no] ipv6 route X:X::X:X/M$prefix [from X:X::X:X/M] \
<X:X::X:X$gate|<INTERFACE|Null0>$ifname> \
[{ \
tag (1-4294967295) \
|(1-255)$distance \
|label WORD \
|table (1-4294967295) \
|nexthop-vrf NAME \
|color (1-4294967295) \
}]",
NO_STR
IPV6_STR
"Establish static routes\n"
"IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
"IPv6 source-dest route\n"
"IPv6 source prefix\n"
"IPv6 gateway address\n"
"IPv6 gateway interface name\n"
"Null interface\n"
"Set tag for this route\n"
"Tag value\n"
"Distance value for this prefix\n"
MPLS_LABEL_HELPSTR
"Table to configure\n"
"The table number to configure\n"
VRF_CMD_HELP_STR
"SR-TE color\n"
"The SR-TE color to configure\n")
{
const char *nh_vrf;
const char *flag = NULL;
const struct lyd_node *vrf_dnode;
const char *vrfname;
vrf_dnode =
yang_dnode_get(vty->candidate_config->dnode, VTY_CURR_XPATH);
if (!vrf_dnode) {
vty_out(vty, "%% Failed to get vrf dnode in candidate db\n");
return CMD_WARNING_CONFIG_FAILED;
}
vrfname = yang_dnode_get_string(vrf_dnode, "./name");
if (nexthop_vrf)
nh_vrf = nexthop_vrf;
else
nh_vrf = vrfname;
if (ifname && !strncasecmp(ifname, "Null0", 5)) {
flag = "Null0";
ifname = NULL;
}
return static_route_leak(vty, vrfname, nh_vrf, AFI_IP6, SAFI_UNICAST,
no, prefix_str, NULL, from_str, gate_str,
ifname, flag, tag_str, distance_str, label,
table_str, false, color_str);
}
void static_cli_show(struct vty *vty, const struct lyd_node *dnode,
bool show_defaults)
{
const char *vrf;
vrf = yang_dnode_get_string(dnode, "../vrf");
if (strcmp(vrf, VRF_DEFAULT_NAME))
vty_out(vty, "vrf %s\n", vrf);
}
void static_cli_show_end(struct vty *vty, const struct lyd_node *dnode)
{
const char *vrf;
vrf = yang_dnode_get_string(dnode, "../vrf");
if (strcmp(vrf, VRF_DEFAULT_NAME))
vty_out(vty, "exit-vrf\n");
}
struct mpls_label_iter {
struct vty *vty;
bool first;
};
static int mpls_label_iter_cb(const struct lyd_node *dnode, void *arg)
{
struct mpls_label_iter *iter = arg;
if (yang_dnode_exists(dnode, "./label")) {
if (iter->first)
vty_out(iter->vty, " label %s",
yang_dnode_get_string(dnode, "./label"));
else
vty_out(iter->vty, "/%s",
yang_dnode_get_string(dnode, "./label"));
iter->first = false;
}
return YANG_ITER_CONTINUE;
}
static void nexthop_cli_show(struct vty *vty, const struct lyd_node *route,
const struct lyd_node *src,
const struct lyd_node *path,
const struct lyd_node *nexthop, bool show_defaults)
{
const char *vrf;
const char *afi_safi;
afi_t afi;
safi_t safi;
enum static_nh_type nh_type;
enum static_blackhole_type bh_type;
uint32_t tag;
uint8_t distance;
struct mpls_label_iter iter;
const char *nexthop_vrf;
uint32_t table_id;
bool onlink;
vrf = yang_dnode_get_string(route, "../../vrf");
afi_safi = yang_dnode_get_string(route, "./afi-safi");
yang_afi_safi_identity2value(afi_safi, &afi, &safi);
if (afi == AFI_IP)
vty_out(vty, "%sip",
strmatch(vrf, VRF_DEFAULT_NAME) ? "" : " ");
else
vty_out(vty, "%sipv6",
strmatch(vrf, VRF_DEFAULT_NAME) ? "" : " ");
if (safi == SAFI_UNICAST)
vty_out(vty, " route");
else
vty_out(vty, " mroute");
vty_out(vty, " %s", yang_dnode_get_string(route, "./prefix"));
if (src)
vty_out(vty, " from %s",
yang_dnode_get_string(src, "./src-prefix"));
nh_type = yang_dnode_get_enum(nexthop, "./nh-type");
switch (nh_type) {
case STATIC_IFNAME:
vty_out(vty, " %s",
yang_dnode_get_string(nexthop, "./interface"));
break;
case STATIC_IPV4_GATEWAY:
case STATIC_IPV6_GATEWAY:
vty_out(vty, " %s",
yang_dnode_get_string(nexthop, "./gateway"));
break;
case STATIC_IPV4_GATEWAY_IFNAME:
case STATIC_IPV6_GATEWAY_IFNAME:
vty_out(vty, " %s",
yang_dnode_get_string(nexthop, "./gateway"));
vty_out(vty, " %s",
yang_dnode_get_string(nexthop, "./interface"));
break;
case STATIC_BLACKHOLE:
bh_type = yang_dnode_get_enum(nexthop, "./bh-type");
switch (bh_type) {
case STATIC_BLACKHOLE_DROP:
vty_out(vty, " blackhole");
break;
case STATIC_BLACKHOLE_NULL:
vty_out(vty, " Null0");
break;
case STATIC_BLACKHOLE_REJECT:
vty_out(vty, " reject");
break;
}
break;
}
if (yang_dnode_exists(path, "./tag")) {
tag = yang_dnode_get_uint32(path, "./tag");
if (tag != 0 || show_defaults)
vty_out(vty, " tag %" PRIu32, tag);
}
distance = yang_dnode_get_uint8(path, "./distance");
if (distance != ZEBRA_STATIC_DISTANCE_DEFAULT || show_defaults)
vty_out(vty, " %" PRIu8, distance);
iter.vty = vty;
iter.first = true;
yang_dnode_iterate(mpls_label_iter_cb, &iter, nexthop,
"./mpls-label-stack/entry");
nexthop_vrf = yang_dnode_get_string(nexthop, "./vrf");
if (strcmp(vrf, nexthop_vrf))
vty_out(vty, " nexthop-vrf %s", nexthop_vrf);
table_id = yang_dnode_get_uint32(path, "./table-id");
if (table_id || show_defaults)
vty_out(vty, " table %" PRIu32, table_id);
if (yang_dnode_exists(nexthop, "./onlink")) {
onlink = yang_dnode_get_bool(nexthop, "./onlink");
if (onlink)
vty_out(vty, " onlink");
}
if (yang_dnode_exists(nexthop, "./srte-color"))
vty_out(vty, " color %s",
yang_dnode_get_string(nexthop, "./srte-color"));
vty_out(vty, "\n");
}
void static_nexthop_cli_show(struct vty *vty, const struct lyd_node *dnode,
bool show_defaults)
{
const struct lyd_node *path = yang_dnode_get_parent(dnode, "path-list");
const struct lyd_node *route =
yang_dnode_get_parent(path, "route-list");
nexthop_cli_show(vty, route, NULL, path, dnode, show_defaults);
}
void static_src_nexthop_cli_show(struct vty *vty, const struct lyd_node *dnode,
bool show_defaults)
{
const struct lyd_node *path = yang_dnode_get_parent(dnode, "path-list");
const struct lyd_node *src = yang_dnode_get_parent(path, "src-list");
const struct lyd_node *route = yang_dnode_get_parent(src, "route-list");
nexthop_cli_show(vty, route, src, path, dnode, show_defaults);
}
int static_nexthop_cli_cmp(const struct lyd_node *dnode1,
const struct lyd_node *dnode2)
{
enum static_nh_type nh_type1, nh_type2;
struct prefix prefix1, prefix2;
int ret = 0;
nh_type1 = yang_dnode_get_enum(dnode1, "./nh-type");
nh_type2 = yang_dnode_get_enum(dnode2, "./nh-type");
if (nh_type1 != nh_type2)
return (int)nh_type1 - (int)nh_type2;
switch (nh_type1) {
case STATIC_IFNAME:
ret = if_cmp_name_func(
yang_dnode_get_string(dnode1, "./interface"),
yang_dnode_get_string(dnode2, "./interface"));
break;
case STATIC_IPV4_GATEWAY:
case STATIC_IPV6_GATEWAY:
yang_dnode_get_prefix(&prefix1, dnode1, "./gateway");
yang_dnode_get_prefix(&prefix2, dnode2, "./gateway");
ret = prefix_cmp(&prefix1, &prefix2);
break;
case STATIC_IPV4_GATEWAY_IFNAME:
case STATIC_IPV6_GATEWAY_IFNAME:
yang_dnode_get_prefix(&prefix1, dnode1, "./gateway");
yang_dnode_get_prefix(&prefix2, dnode2, "./gateway");
ret = prefix_cmp(&prefix1, &prefix2);
if (!ret)
ret = if_cmp_name_func(
yang_dnode_get_string(dnode1, "./interface"),
yang_dnode_get_string(dnode2, "./interface"));
break;
case STATIC_BLACKHOLE:
/* There's only one blackhole nexthop per route */
ret = 0;
break;
}
if (ret)
return ret;
return if_cmp_name_func(yang_dnode_get_string(dnode1, "./vrf"),
yang_dnode_get_string(dnode2, "./vrf"));
}
int static_route_list_cli_cmp(const struct lyd_node *dnode1,
const struct lyd_node *dnode2)
{
const char *afi_safi1, *afi_safi2;
afi_t afi1, afi2;
safi_t safi1, safi2;
struct prefix prefix1, prefix2;
afi_safi1 = yang_dnode_get_string(dnode1, "./afi-safi");
yang_afi_safi_identity2value(afi_safi1, &afi1, &safi1);
afi_safi2 = yang_dnode_get_string(dnode2, "./afi-safi");
yang_afi_safi_identity2value(afi_safi2, &afi2, &safi2);
if (afi1 != afi2)
return (int)afi1 - (int)afi2;
if (safi1 != safi2)
return (int)safi1 - (int)safi2;
yang_dnode_get_prefix(&prefix1, dnode1, "./prefix");
yang_dnode_get_prefix(&prefix2, dnode2, "./prefix");
return prefix_cmp(&prefix1, &prefix2);
}
int static_src_list_cli_cmp(const struct lyd_node *dnode1,
const struct lyd_node *dnode2)
{
struct prefix prefix1, prefix2;
yang_dnode_get_prefix(&prefix1, dnode1, "./src-prefix");
yang_dnode_get_prefix(&prefix2, dnode2, "./src-prefix");
return prefix_cmp(&prefix1, &prefix2);
}
int static_path_list_cli_cmp(const struct lyd_node *dnode1,
const struct lyd_node *dnode2)
{
uint32_t table_id1, table_id2;
uint8_t distance1, distance2;
table_id1 = yang_dnode_get_uint32(dnode1, "./table-id");
table_id2 = yang_dnode_get_uint32(dnode2, "./table-id");
if (table_id1 != table_id2)
return (int)table_id1 - (int)table_id2;
distance1 = yang_dnode_get_uint8(dnode1, "./distance");
distance2 = yang_dnode_get_uint8(dnode2, "./distance");
return (int)distance1 - (int)distance2;
}
DEFPY_YANG(debug_staticd, debug_staticd_cmd,
"[no] debug static [{events$events|route$route}]",
NO_STR DEBUG_STR STATICD_STR
"Debug events\n"
"Debug route\n")
{
/* If no specific category, change all */
if (strmatch(argv[argc - 1]->text, "static"))
static_debug_set(vty->node, !no, true, true);
else
static_debug_set(vty->node, !no, !!events, !!route);
return CMD_SUCCESS;
}
DEFUN_NOSH (show_debugging_static,
show_debugging_static_cmd,
"show debugging [static]",
SHOW_STR
DEBUG_STR
"Static Information\n")
{
vty_out(vty, "Staticd debugging status\n");
static_debug_status_write(vty);
return CMD_SUCCESS;
}
static struct cmd_node debug_node = {
.name = "debug",
.node = DEBUG_NODE,
.prompt = "",
.config_write = static_config_write_debug,
};
void static_vty_init(void)
{
install_node(&debug_node);
install_element(CONFIG_NODE, &ip_mroute_dist_cmd);
install_element(CONFIG_NODE, &ip_route_blackhole_cmd);
install_element(VRF_NODE, &ip_route_blackhole_vrf_cmd);
install_element(CONFIG_NODE, &ip_route_address_interface_cmd);
install_element(VRF_NODE, &ip_route_address_interface_vrf_cmd);
install_element(CONFIG_NODE, &ip_route_cmd);
install_element(VRF_NODE, &ip_route_vrf_cmd);
install_element(CONFIG_NODE, &ipv6_route_blackhole_cmd);
install_element(VRF_NODE, &ipv6_route_blackhole_vrf_cmd);
install_element(CONFIG_NODE, &ipv6_route_address_interface_cmd);
install_element(VRF_NODE, &ipv6_route_address_interface_vrf_cmd);
install_element(CONFIG_NODE, &ipv6_route_cmd);
install_element(VRF_NODE, &ipv6_route_vrf_cmd);
install_element(ENABLE_NODE, &show_debugging_static_cmd);
install_element(ENABLE_NODE, &debug_staticd_cmd);
install_element(CONFIG_NODE, &debug_staticd_cmd);
}
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