Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 656 insertions, 0 deletions

diff --git a/lib/command.h b/lib/command.h
new file mode 100644
index 0000000..70e5270
--- /dev/null
+++ b/lib/command.h
@@ -0,0 +1,656 @@
+/*
+ * Zebra configuration command interface routine
+ * Copyright (C) 1997, 98 Kunihiro Ishiguro
+ *
+ * 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
+ */
+
+#ifndef _ZEBRA_COMMAND_H
+#define _ZEBRA_COMMAND_H
+
+#include "vector.h"
+#include "vty.h"
+#include "lib/route_types.h"
+#include "graph.h"
+#include "memory.h"
+#include "hash.h"
+#include "command_graph.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+DECLARE_MTYPE(COMPLETION);
+
+/*
+ * From RFC 1123 (Requirements for Internet Hosts), Section 2.1 on hostnames:
+ * One aspect of host name syntax is hereby changed: the restriction on
+ * the first character is relaxed to allow either a letter or a digit.
+ * Host software MUST support this more liberal syntax.
+ *
+ * Host software MUST handle host names of up to 63 characters and
+ * SHOULD handle host names of up to 255 characters.
+ */
+#define HOSTNAME_LEN   255
+
+/* Host configuration variable */
+struct host {
+	/* Host name of this router. */
+	char *name;
+
+	/* Domainname of this router */
+	char *domainname;
+
+	/*
+	 * Some extra system data that is useful
+	 */
+	char *system;
+	char *release;
+	char *version;
+
+	/* Password for vty interface. */
+	char *password;
+	char *password_encrypt;
+
+	/* Enable password */
+	char *enable;
+	char *enable_encrypt;
+
+	/* System wide terminal lines. */
+	int lines;
+
+	/* config file name of this host */
+	char *config;
+	int noconfig;
+
+	/* Flags for services */
+	int advanced;
+	int encrypt;
+
+	/* Banner configuration. */
+	char *motd;
+	char *motdfile;
+
+	/* Allow using IPv4 (Class E) reserved IP space */
+	bool allow_reserved_ranges;
+};
+
+/* List of CLI nodes. Please remember to update the name array in command.c. */
+enum node_type {
+	AUTH_NODE,		 /* Authentication mode of vty interface. */
+	VIEW_NODE,		 /* View node. Default mode of vty interface. */
+	AUTH_ENABLE_NODE,	/* Authentication mode for change enable. */
+	ENABLE_NODE,		 /* Enable node. */
+	CONFIG_NODE,		 /* Config node. Default mode of config file. */
+	DEBUG_NODE,		 /* Debug node. */
+	VRF_DEBUG_NODE,		 /* Vrf Debug node. */
+	NORTHBOUND_DEBUG_NODE,	 /* Northbound Debug node. */
+	DEBUG_VNC_NODE,		 /* Debug VNC node. */
+	RMAP_DEBUG_NODE,         /* Route-map debug node */
+	RESOLVER_DEBUG_NODE,	 /* Resolver debug node */
+	AAA_NODE,		 /* AAA node. */
+	EXTLOG_NODE,		 /* RFC5424 & co. extended syslog */
+	KEYCHAIN_NODE,		 /* Key-chain node. */
+	KEYCHAIN_KEY_NODE,       /* Key-chain key node. */
+	IP_NODE,		 /* Static ip route node. */
+	VRF_NODE,		 /* VRF mode node. */
+	INTERFACE_NODE,		 /* Interface mode node. */
+	NH_GROUP_NODE,		 /* Nexthop-Group mode node. */
+	ZEBRA_NODE,		 /* zebra connection node. */
+	TABLE_NODE,		 /* rtm_table selection node. */
+	RIP_NODE,		 /* RIP protocol mode node. */
+	RIPNG_NODE,		 /* RIPng protocol mode node. */
+	BABEL_NODE,		 /* BABEL protocol mode node. */
+	EIGRP_NODE,		 /* EIGRP protocol mode node. */
+	BGP_NODE,		 /* BGP protocol mode which includes BGP4+ */
+	BGP_VPNV4_NODE,		 /* BGP MPLS-VPN PE exchange. */
+	BGP_VPNV6_NODE,		 /* BGP MPLS-VPN PE exchange. */
+	BGP_IPV4_NODE,		 /* BGP IPv4 unicast address family.  */
+	BGP_IPV4M_NODE,		 /* BGP IPv4 multicast address family.  */
+	BGP_IPV4L_NODE,		 /* BGP IPv4 labeled unicast address family.  */
+	BGP_IPV6_NODE,		 /* BGP IPv6 address family */
+	BGP_IPV6M_NODE,		 /* BGP IPv6 multicast address family. */
+	BGP_IPV6L_NODE,		 /* BGP IPv6 labeled unicast address family. */
+	BGP_VRF_POLICY_NODE,     /* BGP VRF policy */
+	BGP_VNC_DEFAULTS_NODE,   /* BGP VNC nve defaults */
+	BGP_VNC_NVE_GROUP_NODE,  /* BGP VNC nve group */
+	BGP_VNC_L2_GROUP_NODE,   /* BGP VNC L2 group */
+	RFP_DEFAULTS_NODE,       /* RFP defaults node */
+	BGP_EVPN_NODE,		 /* BGP EVPN node. */
+	BGP_SRV6_NODE,		 /* BGP SRv6 node. */
+	OSPF_NODE,		 /* OSPF protocol mode */
+	OSPF6_NODE,		 /* OSPF protocol for IPv6 mode */
+	LDP_NODE,		 /* LDP protocol mode */
+	LDP_IPV4_NODE,		 /* LDP IPv4 address family */
+	LDP_IPV6_NODE,		 /* LDP IPv6 address family */
+	LDP_IPV4_IFACE_NODE,     /* LDP IPv4 Interface */
+	LDP_IPV6_IFACE_NODE,     /* LDP IPv6 Interface */
+	LDP_L2VPN_NODE,		 /* LDP L2VPN node */
+	LDP_PSEUDOWIRE_NODE,     /* LDP Pseudowire node */
+	ISIS_NODE,		 /* ISIS protocol mode */
+	ACCESS_NODE,		 /* Access list node. */
+	PREFIX_NODE,		 /* Prefix list node. */
+	ACCESS_IPV6_NODE,	/* Access list node. */
+	ACCESS_MAC_NODE,	 /* MAC access list node*/
+	PREFIX_IPV6_NODE,	/* Prefix list node. */
+	AS_LIST_NODE,		 /* AS list node. */
+	COMMUNITY_LIST_NODE,     /* Community list node. */
+	COMMUNITY_ALIAS_NODE, /* Community alias node. */
+	RMAP_NODE,		 /* Route map node. */
+	PBRMAP_NODE,		 /* PBR map node. */
+	SMUX_NODE,		 /* SNMP configuration node. */
+	DUMP_NODE,		 /* Packet dump node. */
+	FORWARDING_NODE,	 /* IP forwarding node. */
+	PROTOCOL_NODE,		 /* protocol filtering node */
+	MPLS_NODE,		 /* MPLS config node */
+	PW_NODE,		 /* Pseudowire config node */
+	SEGMENT_ROUTING_NODE,	 /* Segment routing root node */
+	SR_TRAFFIC_ENG_NODE,	 /* SR Traffic Engineering node */
+	SR_SEGMENT_LIST_NODE,	 /* SR segment list config node */
+	SR_POLICY_NODE,		 /* SR policy config node */
+	SR_CANDIDATE_DYN_NODE,	 /* SR dynamic candidate path config node */
+	PCEP_NODE,	 	 /* PCEP node */
+	PCEP_PCE_CONFIG_NODE,	 /* PCE shared configuration node */
+	PCEP_PCE_NODE,		 /* PCE configuration node */
+	PCEP_PCC_NODE,		 /* PCC configuration node */
+	SRV6_NODE,		 /* SRv6 node */
+	SRV6_LOCS_NODE,		 /* SRv6 locators node */
+	SRV6_LOC_NODE,		 /* SRv6 locator node */
+	VTY_NODE,		 /* Vty node. */
+	FPM_NODE,		 /* Dataplane FPM node. */
+	LINK_PARAMS_NODE,	/* Link-parameters node */
+	BGP_EVPN_VNI_NODE,       /* BGP EVPN VNI */
+	RPKI_NODE,     /* RPKI node for configuration of RPKI cache server
+			  connections.*/
+	BGP_FLOWSPECV4_NODE,	/* BGP IPv4 FLOWSPEC Address-Family */
+	BGP_FLOWSPECV6_NODE,	/* BGP IPv6 FLOWSPEC Address-Family */
+	BFD_NODE,		 /* BFD protocol mode. */
+	BFD_PEER_NODE,		 /* BFD peer configuration mode. */
+	BFD_PROFILE_NODE,	 /* BFD profile configuration mode. */
+	OPENFABRIC_NODE,	/* OpenFabric router configuration node */
+	VRRP_NODE,		 /* VRRP node */
+	BMP_NODE,		/* BMP config under router bgp */
+	NODE_TYPE_MAX, /* maximum */
+};
+
+extern vector cmdvec;
+extern const struct message tokennames[];
+
+/* for external users depending on struct layout */
+#define FRR_CMD_NODE_20200416
+
+/* Node which has some commands and prompt string and configuration
+   function pointer . */
+struct cmd_node {
+	const char *name;
+
+	/* Node index. */
+	enum node_type node;
+	enum node_type parent_node;
+
+	/* Prompt character at vty interface. */
+	const char *prompt;
+
+	/* Node's configuration write function */
+	int (*config_write)(struct vty *);
+
+	/* called when leaving the node on a VTY session.
+	 * return 1 if normal exit processing should happen, 0 to suppress
+	 */
+	int (*node_exit)(struct vty *);
+
+	/* Node's command graph */
+	struct graph *cmdgraph;
+
+	/* Vector of this node's command list. */
+	vector cmd_vector;
+
+	/* Hashed index of command node list, for de-dupping primarily */
+	struct hash *cmd_hash;
+
+	/* set as soon as any command is in cmdgraph */
+	bool graph_built;
+
+	/* don't decrement vty->xpath_index on leaving this node */
+	bool no_xpath;
+};
+
+/* Return value of the commands. */
+#define CMD_SUCCESS              0
+#define CMD_WARNING              1
+#define CMD_ERR_NO_MATCH         2
+#define CMD_ERR_AMBIGUOUS        3
+#define CMD_ERR_INCOMPLETE       4
+#define CMD_ERR_EXEED_ARGC_MAX   5
+#define CMD_ERR_NOTHING_TODO     6
+#define CMD_COMPLETE_FULL_MATCH  7
+#define CMD_COMPLETE_MATCH       8
+#define CMD_COMPLETE_LIST_MATCH  9
+#define CMD_SUCCESS_DAEMON      10
+#define CMD_ERR_NO_FILE         11
+#define CMD_SUSPEND             12
+#define CMD_WARNING_CONFIG_FAILED 13
+#define CMD_NOT_MY_INSTANCE	14
+#define CMD_NO_LEVEL_UP 15
+#define CMD_ERR_NO_DAEMON 16
+
+/* Argc max counts. */
+#define CMD_ARGC_MAX   256
+
+/* Turn off these macros when using cpp with extract.pl */
+#ifndef VTYSH_EXTRACT_PL
+
+/* helper defines for end-user DEFUN* macros */
+#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum)     \
+	static const struct cmd_element cmdname = {                            \
+		.string = cmdstr,                                              \
+		.func = funcname,                                              \
+		.doc = helpstr,                                                \
+		.attr = attrs,                                                 \
+		.daemon = dnum,                                                \
+		.name = #cmdname,                                              \
+		.xref = XREF_INIT(XREFT_DEFUN, NULL, #funcname),               \
+	};                                                                     \
+	XREF_LINK(cmdname.xref);                                               \
+	/* end */
+
+
+#define DEFUN_CMD_FUNC_DECL(funcname)                                          \
+	static int funcname(const struct cmd_element *, struct vty *, int,     \
+			    struct cmd_token *[]);
+
+#define DEFUN_CMD_FUNC_TEXT(funcname)                                          \
+	static int funcname(const struct cmd_element *self                     \
+			    __attribute__((unused)),                           \
+			    struct vty *vty __attribute__((unused)),           \
+			    int argc __attribute__((unused)),                  \
+			    struct cmd_token *argv[] __attribute__((unused)))
+
+#define DEFPY(funcname, cmdname, cmdstr, helpstr)                              \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)            \
+	funcdecl_##funcname
+
+#define DEFPY_NOSH(funcname, cmdname, cmdstr, helpstr)                         \
+	DEFPY(funcname, cmdname, cmdstr, helpstr)
+
+#define DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, attr)                   \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)         \
+	funcdecl_##funcname
+
+#define DEFPY_HIDDEN(funcname, cmdname, cmdstr, helpstr)                       \
+	DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
+
+#define DEFPY_YANG(funcname, cmdname, cmdstr, helpstr)                         \
+	DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_YANG)
+
+#define DEFPY_YANG_NOSH(funcname, cmdname, cmdstr, helpstr)                    \
+	DEFPY_YANG(funcname, cmdname, cmdstr, helpstr)
+
+#define DEFUN(funcname, cmdname, cmdstr, helpstr)                              \
+	DEFUN_CMD_FUNC_DECL(funcname)                                          \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)            \
+	DEFUN_CMD_FUNC_TEXT(funcname)
+
+#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr)                   \
+	DEFUN_CMD_FUNC_DECL(funcname)                                          \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)         \
+	DEFUN_CMD_FUNC_TEXT(funcname)
+
+#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr)                       \
+	DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
+
+#define DEFUN_YANG(funcname, cmdname, cmdstr, helpstr)                         \
+	DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_YANG)
+
+/* DEFUN_NOSH for commands that vtysh should ignore */
+#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr)                         \
+	DEFUN(funcname, cmdname, cmdstr, helpstr)
+
+#define DEFUN_YANG_NOSH(funcname, cmdname, cmdstr, helpstr)                    \
+	DEFUN_YANG(funcname, cmdname, cmdstr, helpstr)
+
+/* DEFSH for vtysh. */
+#define DEFSH(daemon, cmdname, cmdstr, helpstr)                                \
+	DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon)
+
+#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr)                         \
+	DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN,     \
+			  daemon)
+
+#define DEFSH_YANG(daemon, cmdname, cmdstr, helpstr)                           \
+	DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_YANG, daemon)
+
+/* DEFUN + DEFSH */
+#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr)                    \
+	DEFUN_CMD_FUNC_DECL(funcname)                                          \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)       \
+	DEFUN_CMD_FUNC_TEXT(funcname)
+
+/* DEFUN + DEFSH with attributes */
+#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr)         \
+	DEFUN_CMD_FUNC_DECL(funcname)                                          \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon)    \
+	DEFUN_CMD_FUNC_TEXT(funcname)
+
+#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr)             \
+	DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr,               \
+		     CMD_ATTR_HIDDEN)
+
+#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr)         \
+	DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr,               \
+		     CMD_ATTR_DEPRECATED)
+
+#define DEFUNSH_YANG(daemon, funcname, cmdname, cmdstr, helpstr)               \
+	DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_YANG)
+
+/* ALIAS macro which define existing command's alias. */
+#define ALIAS(funcname, cmdname, cmdstr, helpstr)                              \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
+
+#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr)                   \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
+
+#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr)                       \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
+			  0)
+
+#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr)                   \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr,                  \
+			  CMD_ATTR_DEPRECATED, 0)
+
+#define ALIAS_YANG(funcname, cmdname, cmdstr, helpstr)                         \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_YANG, 0)
+
+#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr)                   \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
+
+#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr)            \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
+			  daemon)
+
+#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr)        \
+	DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr,                  \
+			  CMD_ATTR_DEPRECATED, daemon)
+
+#endif /* VTYSH_EXTRACT_PL */
+
+/* Some macroes */
+
+/*
+ * Sometimes #defines create maximum values that
+ * need to have strings created from them that
+ * allow the parser to match against them.
+ * These macros allow that.
+ */
+#define CMD_CREATE_STR(s)  CMD_CREATE_STR_HELPER(s)
+#define CMD_CREATE_STR_HELPER(s) #s
+#define CMD_RANGE_STR(a,s) "(" CMD_CREATE_STR(a) "-" CMD_CREATE_STR(s) ")"
+
+/* Common descriptions. */
+#define SHOW_STR "Show running system information\n"
+#define IP_STR "IP information\n"
+#define IPV6_STR "IPv6 information\n"
+#define SRTE_STR "SR-TE information\n"
+#define SRTE_COLOR_STR "SR-TE Color information\n"
+#define NO_STR "Negate a command or set its defaults\n"
+#define IGNORED_IN_NO_STR "Ignored value in no form\n"
+#define REDIST_STR "Redistribute information from another routing protocol\n"
+#define CLEAR_STR "Reset functions\n"
+#define RIP_STR "RIP information\n"
+#define EIGRP_STR "EIGRP information\n"
+#define BGP_STR "BGP information\n"
+#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
+#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
+#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
+#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
+#define OSPF_STR "OSPF information\n"
+#define NEIGHBOR_STR "Specify neighbor router\n"
+#define DEBUG_STR "Debugging functions\n"
+#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
+#define ROUTER_STR "Enable a routing process\n"
+#define AS_STR "AS number\n"
+#define MAC_STR "MAC address\n"
+#define MBGP_STR "MBGP information\n"
+#define MATCH_STR "Match values from routing table\n"
+#define SET_STR "Set values in destination routing protocol\n"
+#define OUT_STR "Filter outgoing routing updates\n"
+#define IN_STR  "Filter incoming routing updates\n"
+#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
+#define OSPF6_NUMBER_STR "Specify by number\n"
+#define INTERFACE_STR "Interface information\n"
+#define IFNAME_STR "Interface name(e.g. ep0)\n"
+#define IP6_STR "IPv6 Information\n"
+#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
+#define OSPF6_INSTANCE_STR "(1-65535) Instance ID\n"
+#define SECONDS_STR "Seconds\n"
+#define ROUTE_STR "Routing Table\n"
+#define PREFIX_LIST_STR "Build a prefix list\n"
+#define OSPF6_DUMP_TYPE_LIST                                                   \
+	"<neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr>"
+#define AREA_TAG_STR "[area tag]\n"
+#define COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
+#define COMMUNITY_VAL_STR                                                      \
+	"Community number in AA:NN format (where AA and NN are (0-65535)) or local-AS|no-advertise|no-export|internet|graceful-shutdown|accept-own-nexthop|accept-own|route-filter-translated-v4|route-filter-v4|route-filter-translated-v6|route-filter-v6|llgr-stale|no-llgr|blackhole|no-peer or additive\n"
+#define MPLS_TE_STR "MPLS-TE specific commands\n"
+#define LINK_PARAMS_STR "Configure interface link parameters\n"
+#define OSPF_RI_STR "OSPF Router Information specific commands\n"
+#define PCE_STR "PCE Router Information specific commands\n"
+#define MPLS_STR "MPLS information\n"
+#define SR_STR "Segment-Routing specific commands\n"
+#define WATCHFRR_STR "watchfrr information\n"
+#define ZEBRA_STR "Zebra information\n"
+#define FILTER_LOG_STR "Filter Logs\n"
+#define BFD_PROFILE_STR "BFD profile.\n"
+#define BFD_PROFILE_NAME_STR "BFD profile name.\n"
+#define SHARP_STR "Sharp Routing Protocol\n"
+#define OSPF_GR_STR                                                            \
+	"OSPF non-stop forwarding (NSF) also known as OSPF Graceful Restart\n"
+
+#define CMD_VNI_RANGE "(1-16777215)"
+#define CONF_BACKUP_EXT ".sav"
+#define MPLS_LDP_SYNC_STR "Enable MPLS LDP-SYNC\n"
+#define NO_MPLS_LDP_SYNC_STR "Disable MPLS LDP-SYNC\n"
+#define MPLS_LDP_SYNC_HOLDDOWN_STR                                             \
+	"Time to wait for LDP-SYNC to occur before restoring if cost\n"
+#define NO_MPLS_LDP_SYNC_HOLDDOWN_STR "holddown timer disable\n"
+
+/* Command warnings. */
+#define NO_PASSWD_CMD_WARNING                                                  \
+	"Please be aware that removing the password is a security risk and you should think twice about this command.\n"
+
+/* IPv4 only machine should not accept IPv6 address for peer's IP
+   address.  So we replace VTY command string like below. */
+#define NEIGHBOR_ADDR_STR  "Neighbor address\nIPv6 address\n"
+#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
+#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
+
+/* Graceful Restart cli help strings */
+#define GR_CMD "Global Graceful Restart command\n"
+#define NO_GR_CMD "Undo Global Graceful Restart command\n"
+#define GR "Global Graceful Restart - GR Mode\n"
+#define GR_DISABLE "Global Graceful Restart - Disable Mode\n"
+#define NO_GR_DISABLE "Undo Global Graceful Restart - Disable Mode\n"
+#define GR_DEBUG "Graceful Restart - Enable Debug Logs\n"
+#define GR_SHOW "Graceful Restart - Show command for Global and all neighbor mode\n"
+#define GR_NEIGHBOR_CMD "Graceful Restart command for a neighbor\n"
+#define NO_GR_NEIGHBOR_CMD "Undo Graceful Restart command for a neighbor\n"
+#define GR_NEIGHBOR_DISABLE_CMD "Graceful Restart Disable command for a neighbor\n"
+#define NO_GR_NEIGHBOR_DISABLE_CMD "Undo Graceful Restart Disable command for a neighbor\n"
+#define GR_NEIGHBOR_HELPER_CMD "Graceful Restart Helper command for a neighbor\n"
+#define NO_GR_NEIGHBOR_HELPER_CMD "Undo Graceful Restart Helper command for a neighbor\n"
+
+/* EVPN help Strings */
+#define EVPN_RT_HELP_STR "EVPN route information\n"
+#define EVPN_RT_DIST_HELP_STR "Route Distinguisher\n"
+#define EVPN_ASN_IP_HELP_STR "ASN:XX or A.B.C.D:XX\n"
+#define EVPN_TYPE_HELP_STR "Specify Route type\n"
+#define EVPN_TYPE_1_HELP_STR "EAD (Type-1) route\n"
+#define EVPN_TYPE_2_HELP_STR "MAC-IP (Type-2) route\n"
+#define EVPN_TYPE_3_HELP_STR "Multicast (Type-3) route\n"
+#define EVPN_TYPE_4_HELP_STR "Ethernet Segment (Type-4) route\n"
+#define EVPN_TYPE_5_HELP_STR "Prefix (Type-5) route\n"
+#define EVPN_TYPE_ALL_LIST "<ead|1|macip|2|multicast|3|es|4|prefix|5>"
+#define EVPN_TYPE_ALL_LIST_HELP_STR                                            \
+	EVPN_TYPE_1_HELP_STR EVPN_TYPE_1_HELP_STR                              \
+	EVPN_TYPE_2_HELP_STR EVPN_TYPE_2_HELP_STR                              \
+	EVPN_TYPE_3_HELP_STR EVPN_TYPE_3_HELP_STR                              \
+	EVPN_TYPE_4_HELP_STR EVPN_TYPE_4_HELP_STR                              \
+	EVPN_TYPE_5_HELP_STR EVPN_TYPE_5_HELP_STR
+
+/* Describing roles */
+#define ROLE_STR                                                               \
+	"Providing transit\nRoute server\nRS client\nUsing transit\nPublic/private peering\n"
+
+/* Prototypes. */
+extern void install_node(struct cmd_node *node);
+extern void install_default(enum node_type);
+
+struct xref_install_element {
+	struct xref xref;
+
+	const struct cmd_element *cmd_element;
+	enum node_type node_type;
+};
+
+#ifndef VTYSH_EXTRACT_PL
+#define install_element(node_type_, cmd_element_) do {                         \
+		static const struct xref_install_element _xref                 \
+				__attribute__((used)) = {                      \
+			.xref = XREF_INIT(XREFT_INSTALL_ELEMENT, NULL,         \
+					  __func__),                           \
+			.cmd_element = cmd_element_,                           \
+			.node_type = node_type_,                               \
+		};                                                             \
+		XREF_LINK(_xref.xref);                                         \
+		_install_element(node_type_, cmd_element_);                    \
+	} while (0)
+#endif
+
+extern void _install_element(enum node_type, const struct cmd_element *);
+
+/* known issue with uninstall_element:  changes to cmd_token->attr (i.e.
+ * deprecated/hidden) are not reversed. */
+extern void uninstall_element(enum node_type, const struct cmd_element *);
+
+/* construct CLI tree only when entering nodes */
+extern void cmd_defer_tree(bool val);
+
+/* finish CLI tree for node when above is true (noop otherwise) */
+extern void cmd_finalize_node(struct cmd_node *node);
+
+/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
+   string with a space between each element (allocated using
+   XMALLOC(MTYPE_TMP)).  Returns NULL if shift >= argc. */
+extern char *argv_concat(struct cmd_token **argv, int argc, int shift);
+
+/*
+ * It is preferred that you set the index initial value
+ * to a 0.  This way in the future if you modify the
+ * cli then there is no need to modify the initial
+ * value of the index
+ */
+extern int argv_find(struct cmd_token **argv, int argc, const char *text,
+		     int *index);
+
+extern vector cmd_make_strvec(const char *);
+extern void cmd_free_strvec(vector);
+extern vector cmd_describe_command(vector, struct vty *, int *status);
+extern char **cmd_complete_command(vector, struct vty *, int *status);
+extern const char *cmd_prompt(enum node_type);
+extern int command_config_read_one_line(struct vty *vty,
+					const struct cmd_element **,
+					uint32_t line_num, int use_config_node);
+extern int config_from_file(struct vty *, FILE *, unsigned int *line_num);
+extern enum node_type node_parent(enum node_type);
+/*
+ * Execute command under the given vty context.
+ *
+ * vty
+ *    The vty context to execute under.
+ *
+ * cmd
+ *    The command string to execute.
+ *
+ * matched
+ *    If non-null and a match was found, the address of the matched command is
+ *    stored here. No action otherwise.
+ *
+ * vtysh
+ *    Whether or not this is being called from vtysh. If this is nonzero,
+ *    XXX: then what?
+ *
+ * Returns:
+ *    XXX: what does it return
+ */
+extern int cmd_execute(struct vty *vty, const char *cmd,
+		       const struct cmd_element **matched, int vtysh);
+extern int cmd_execute_command(vector, struct vty *,
+			       const struct cmd_element **, int);
+extern int cmd_execute_command_strict(vector, struct vty *,
+				      const struct cmd_element **);
+extern void cmd_init(int terminal);
+extern void cmd_init_config_callbacks(void (*start_config_cb)(void),
+				      void (*end_config_cb)(void));
+extern void cmd_terminate(void);
+extern void cmd_exit(struct vty *vty);
+extern int cmd_list_cmds(struct vty *vty, int do_permute);
+extern int cmd_find_cmds(struct vty *vty, struct cmd_token **argv, int argc);
+
+extern int cmd_domainname_set(const char *domainname);
+extern int cmd_hostname_set(const char *hostname);
+extern const char *cmd_hostname_get(void);
+extern const char *cmd_domainname_get(void);
+extern const char *cmd_system_get(void);
+extern const char *cmd_release_get(void);
+extern const char *cmd_version_get(void);
+extern bool cmd_allow_reserved_ranges_get(void);
+
+/* NOT safe for general use; call this only if DEV_BUILD! */
+extern void grammar_sandbox_init(void);
+
+extern vector completions_to_vec(struct list *completions);
+
+/* Export typical functions. */
+extern const char *host_config_get(void);
+extern void host_config_set(const char *);
+
+extern void print_version(const char *);
+
+extern int cmd_banner_motd_file(const char *);
+extern void cmd_banner_motd_line(const char *line);
+
+/* struct host global, ick */
+extern struct host host;
+
+struct cmd_variable_handler {
+	const char *tokenname, *varname;
+	void (*completions)(vector out, struct cmd_token *token);
+};
+
+extern void cmd_variable_complete(struct cmd_token *token, const char *arg,
+				  vector comps);
+extern void
+cmd_variable_handler_register(const struct cmd_variable_handler *cvh);
+extern char *cmd_variable_comp2str(vector comps, unsigned short cols);
+
+extern void command_setup_early_logging(const char *dest, const char *level);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZEBRA_COMMAND_H */