libosmocore/include/osmocom/vty/command.h

371 lines
13 KiB
C

/*
* 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 GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _ZEBRA_COMMAND_H
#define _ZEBRA_COMMAND_H
#include <stdio.h>
#include <sys/types.h>
#include "vector.h"
#include "vty.h"
/*! \addtogroup vty
* @{
*/
/*! \file command.h */
/*! \brief Host configuration variable */
struct host {
/*! \brief Host name of this router. */
char *name;
/*! \brief Password for vty interface. */
char *password;
char *password_encrypt;
/*! \brief Enable password */
char *enable;
char *enable_encrypt;
/*! \brief System wide terminal lines. */
int lines;
/*! \brief Log filename. */
char *logfile;
/*! \brief config file name of this host */
char *config;
/*! \brief Flags for services */
int advanced;
int encrypt;
/*! \brief Banner configuration. */
const char *motd;
char *motdfile;
/*! \brief VTY application information */
const struct vty_app_info *app_info;
};
/*! \brief There are some command levels which called from command node. */
enum node_type {
AUTH_NODE, /*!< \brief Authentication mode of vty interface. */
VIEW_NODE, /*!< \brief View node. Default mode of vty interface. */
AUTH_ENABLE_NODE, /*!< \brief Authentication mode for change enable. */
ENABLE_NODE, /*!< \brief Enable node. */
CONFIG_NODE, /*!< \brief Config node. Default mode of config file. */
SERVICE_NODE, /*!< \brief Service node. */
DEBUG_NODE, /*!< \brief Debug node. */
CFG_LOG_NODE, /*!< \brief Configure the logging */
VTY_NODE, /*!< \brief Vty node. */
L_E1INP_NODE, /*!< \brief E1 line in libosmo-abis. */
L_IPA_NODE, /*!< \brief IPA proxying commands in libosmo-abis. */
_LAST_OSMOVTY_NODE
};
/*! \brief Node which has some commands and prompt string and
* configuration function pointer . */
struct cmd_node {
/*! \brief Node index */
enum node_type node;
/*! \brief Prompt character at vty interface. */
const char *prompt;
/*! \brief Is this node's configuration goes to vtysh ? */
int vtysh;
/*! \brief Node's configuration write function */
int (*func) (struct vty *);
/*! \brief Vector of this node's command list. */
vector cmd_vector;
};
enum {
CMD_ATTR_DEPRECATED = 1,
CMD_ATTR_HIDDEN,
};
/*! \brief Structure of a command element */
struct cmd_element {
const char *string; /*!< \brief Command specification by string. */
int (*func) (struct cmd_element *, struct vty *, int, const char *[]);
const char *doc; /*!< \brief Documentation of this command. */
int daemon; /*!< \brief Daemon to which this command belong. */
vector strvec; /*!< \brief Pointing out each description vector. */
unsigned int cmdsize; /*!< \brief Command index count. */
char *config; /*!< \brief Configuration string */
vector subconfig; /*!< \brief Sub configuration string */
u_char attr; /*!< \brief Command attributes */
};
/*! \brief Command description structure. */
struct desc {
const char *cmd; /*!< \brief Command string. */
const char *str; /*!< \brief Command's description. */
};
/*! \brief 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
/* Argc max counts. */
#define CMD_ARGC_MAX 256
/* Turn off these macros when uisng 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 struct cmd_element cmdname = \
{ \
.string = cmdstr, \
.func = funcname, \
.doc = helpstr, \
.attr = attrs, \
.daemon = dnum, \
};
/* global (non static) cmd_element */
#define gDEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
struct cmd_element cmdname = \
{ \
.string = cmdstr, \
.func = funcname, \
.doc = helpstr, \
.attr = attrs, \
.daemon = dnum, \
};
#define DEFUN_CMD_FUNC_DECL(funcname) \
static int funcname (struct cmd_element *, struct vty *, int, const char *[]); \
#define DEFUN_CMD_FUNC_TEXT(funcname) \
static int funcname \
(struct cmd_element *self, struct vty *vty, int argc, const char *argv[])
/*! \brief Macro for defining a VTY node and function
* \param[in] funcname Name of the function implementing the node
* \param[in] cmdname Name of the command node
* \param[in] cmdstr String with syntax of node
* \param[in] helpstr String with help message of node
*/
#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)
/*! \brief Macro for defining a non-static (global) VTY node and function
* \param[in] funcname Name of the function implementing the node
* \param[in] cmdname Name of the command node
* \param[in] cmdstr String with syntax of node
* \param[in] helpstr String with help message of node
*/
#define gDEFUN(funcname, cmdname, cmdstr, helpstr) \
DEFUN_CMD_FUNC_DECL(funcname) \
gDEFUN_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_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
/* DEFUN_NOSH for commands that vtysh should ignore */
#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
DEFUN(funcname, cmdname, cmdstr, helpstr)
/* DEFSH for vtysh. */
#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, 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)
/* ALIAS macro which define existing command's alias. */
#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
/* global (non static) cmd_element */
#define gALIAS(funcname, cmdname, cmdstr, helpstr) \
gDEFUN_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_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 */
#define CMD_OPTION(S) ((S[0]) == '[')
#define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<'))
#define CMD_VARARG(S) ((S[0]) == '.')
#define CMD_RANGE(S) ((S[0] == '<'))
#define CMD_IPV4(S) ((strcmp ((S), "A.B.C.D") == 0))
#define CMD_IPV4_PREFIX(S) ((strcmp ((S), "A.B.C.D/M") == 0))
#define CMD_IPV6(S) ((strcmp ((S), "X:X::X:X") == 0))
#define CMD_IPV6_PREFIX(S) ((strcmp ((S), "X:X::X:X/M") == 0))
/* Common descriptions. */
#define SHOW_STR "Show running system information\n"
#define IP_STR "IP information\n"
#define IPV6_STR "IPv6 information\n"
#define NO_STR "Negate a command or set its defaults\n"
#define CLEAR_STR "Reset functions\n"
#define RIP_STR "RIP information\n"
#define BGP_STR "BGP information\n"
#define OSPF_STR "OSPF information\n"
#define NEIGHBOR_STR "Specify neighbor router\n"
#define DEBUG_STR "Debugging functions (see also 'undebug')\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 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 infomation\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_ROUTER_STR "Enable a routing process\n"
#define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
#define SECONDS_STR "<1-65535> 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 ISIS_STR "IS-IS information\n"
#define AREA_TAG_STR "[area tag]\n"
#define CONF_BACKUP_EXT ".sav"
/* IPv4 only machine should not accept IPv6 address for peer's IP
address. So we replace VTY command string like below. */
#ifdef HAVE_IPV6
#define NEIGHBOR_CMD "neighbor (A.B.C.D|X:X::X:X) "
#define NO_NEIGHBOR_CMD "no neighbor (A.B.C.D|X:X::X:X) "
#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|X:X::X:X|WORD) "
#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|X:X::X:X|WORD) "
#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nNeighbor tag\n"
#else
#define NEIGHBOR_CMD "neighbor A.B.C.D "
#define NO_NEIGHBOR_CMD "no neighbor A.B.C.D "
#define NEIGHBOR_ADDR_STR "Neighbor address\n"
#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|WORD) "
#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|WORD) "
#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor tag\n"
#endif /* HAVE_IPV6 */
/* Prototypes. */
void install_node(struct cmd_node *, int (*)(struct vty *));
void install_default(enum node_type);
void install_element(enum node_type, struct cmd_element *);
void install_element_ve(struct cmd_element *cmd);
void sort_node(void);
/* 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. */
char *argv_concat(const char **argv, int argc, int shift);
vector cmd_make_strvec(const char *);
void cmd_free_strvec(vector);
vector cmd_describe_command();
char **cmd_complete_command();
const char *cmd_prompt(enum node_type);
int config_from_file(struct vty *, FILE *);
enum node_type node_parent(enum node_type);
int cmd_execute_command(vector, struct vty *, struct cmd_element **, int);
int cmd_execute_command_strict(vector, struct vty *, struct cmd_element **);
void config_replace_string(struct cmd_element *, char *, ...);
void cmd_init(int);
/* Export typical functions. */
extern struct cmd_element config_exit_cmd;
extern struct cmd_element config_help_cmd;
extern struct cmd_element config_list_cmd;
char *host_config_file();
void host_config_set(const char *);
/* This is called from main when a daemon is invoked with -v or --version. */
void print_version(int print_copyright);
extern void *tall_vty_cmd_ctx;
/*! }@ */
#endif /* _ZEBRA_COMMAND_H */