/* * 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 #include "node_type.h" #include "vector.h" #include "qstring.h" #ifndef Inline #define Inline static inline #endif struct vty ; /* in case command.h expanded first */ /* Host configuration variable */ struct host { /* Host name of this router. */ char *name; /* Password for vty interface. */ char *password; char *password_encrypt; /* Enable password */ char *enable; char *enable_encrypt; /* System wide terminal lines. */ int lines; /* Log filename. */ char *logfile; /* config file name of this host */ char *config; /* Flags for services */ int advanced; int encrypt; /* Banner configuration. */ const char *motd; char *motdfile; }; /* Node which has some commands and prompt string and configuration function pointer . */ struct cmd_node { /* Node index. */ enum node_type node; /* Prompt character at vty interface. */ const char *prompt; /* Is this node's configuration goes to vtysh ? */ int vtysh; /* Node's configuration write function */ int (*func) (struct vty *); /* Vector of this node's command list. */ vector cmd_vector; }; enum { /* bit significant */ CMD_ATTR_DEPRECATED = 0x01, CMD_ATTR_HIDDEN = 0x02, CMD_ATTR_CALL = 0x04, }; /* Return values for command handling. * * NB: when a command is executed it may return CMD_SUCCESS or CMD_WARNING. * * In both cases any output required (including any warning or error * messages) must already have been output. * * All other return codes are for use within the command handler. */ enum cmd_return_code { CMD_SUCCESS = 0, CMD_WARNING = 1, CMD_ERROR, CMD_EMPTY, CMD_SUCCESS_DAEMON, CMD_CLOSE, CMD_QUEUED, CMD_ERR_NO_MATCH, CMD_ERR_AMBIGUOUS, CMD_ERR_INCOMPLETE, CMD_COMPLETE_FULL_MATCH, CMD_COMPLETE_MATCH, CMD_COMPLETE_LIST_MATCH, CMD_COMPLETE_ALREADY } ; #define MSG_CMD_ERR_AMBIGUOUS "Ambiguous command" #define MSG_CMD_ERR_NO_MATCH "Unrecognised command" #define MSG_CMD_ERR_NO_MATCH_old "There is no matched command" /* Structure of command element. */ struct cmd_element ; typedef struct cmd_element* cmd_element ; typedef const char* const argv_t[] ; #define DEFUN_CMD_ARG_UNUSED __attribute__ ((unused)) #define DEFUN_CMD_FUNCTION(name) \ enum cmd_return_code name (cmd_element self DEFUN_CMD_ARG_UNUSED, \ struct vty* vty DEFUN_CMD_ARG_UNUSED, \ int argc DEFUN_CMD_ARG_UNUSED, \ argv_t argv DEFUN_CMD_ARG_UNUSED) typedef DEFUN_CMD_FUNCTION((cmd_function)) ; struct cmd_element { const char *string; /* Command specification by string. */ cmd_function* func ; const char *doc; /* Documentation of this command. */ int daemon; /* Daemon to which this command belong. */ vector strvec; /* Pointing out each description vector. */ unsigned int cmdsize; /* Command index count. */ char *config; /* Configuration string */ vector subconfig; /* Sub configuration string */ u_char attr; /* Command attributes */ }; /* Command description structure. */ struct desc { char *cmd; /* Command string. */ char *str; /* Command's description. */ }; /* Command parsing options */ enum cmd_parse_type /* bit significant */ { cmd_parse_completion = 0x00, cmd_parse_strict = 0x01, cmd_parse_do = 0x02, cmd_parse_tree = 0x04, } ; /* Parsed command */ typedef struct cmd_parsed* cmd_parsed ; struct cmd_parsed { struct cmd_element *cmd ; /* NULL if empty command or fails to parse */ enum node_type cnode ; /* node command is in */ enum node_type onode ; /* node the parser started in */ bool do_shortcut ; /* true => is "do" command */ qstring_t words ; /* the words, '\0' separated */ vector_t vline ; /* pointers to the words */ } ; /* Command dispatch options */ enum { cmd_no_queue = true, cmd_may_queue = false, } ; /*------------------------------------------------------------------------------ * Can now include these */ #include "vty.h" #include "uty.h" /*----------------------------------------------------------------------------*/ /* 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) \ struct cmd_element cmdname = \ { \ .string = cmdstr, \ .func = funcname, \ .doc = helpstr, \ .attr = attrs, \ .daemon = dnum, \ }; #define DEFUN_CMD_FUNC_DECL(funcname) \ static cmd_function funcname; #define DEFUN_CMD_FUNC_TEXT(funcname) \ static DEFUN_CMD_FUNCTION(funcname) /* DEFUN for vty command interafce. Little bit hacky ;-). */ #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_HID_CALL(funcname, cmdname, cmdstr, helpstr) \ DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, (CMD_ATTR_CALL | CMD_ATTR_HIDDEN)) #define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \ DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) #define DEFUN_DEP_CALL(funcname, cmdname, cmdstr, helpstr) \ DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, (CMD_ATTR_CALL | CMD_ATTR_DEPRECATED)) #define DEFUN_CALL(funcname, cmdname, cmdstr, helpstr) \ DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_CALL) /* 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) #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_CALL(funcname, cmdname, cmdstr, helpstr) \ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_CALL, 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 REDIST_STR "Redistribute information from another routing protocol\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. */ extern void cmd_init (int); extern void cmd_terminate (void); extern void print_version (const char *); extern void install_node (struct cmd_node *, int (*) (struct vty *)); extern void install_default (enum node_type); extern void install_element (enum node_type, struct cmd_element *); extern 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. */ extern char *argv_concat (const char* const* argv, int argc, int shift); /* struct host global, ick */ extern struct host host; #ifdef QDEBUG extern const char *debug_banner ; #endif #endif /* _ZEBRA_COMMAND_H */