Annotation of embedaddon/quagga/lib/command.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Zebra configuration command interface routine
                      3:  * Copyright (C) 1997, 98 Kunihiro Ishiguro
                      4:  *
                      5:  * This file is part of GNU Zebra.
                      6:  *
                      7:  * GNU Zebra is free software; you can redistribute it and/or modify
                      8:  * it under the terms of the GNU General Public License as published
                      9:  * by the Free Software Foundation; either version 2, or (at your
                     10:  * option) any later version.
                     11:  * 
                     12:  * GNU Zebra is distributed in the hope that it will be useful, but
                     13:  * WITHOUT ANY WARRANTY; without even the implied warranty of
                     14:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     15:  * General Public License for more details.
                     16:  *
                     17:  * You should have received a copy of the GNU General Public License
                     18:  * along with GNU Zebra; see the file COPYING.  If not, write to the
                     19:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
                     20:  * Boston, MA 02111-1307, USA.
                     21:  */
                     22: 
                     23: #ifndef _ZEBRA_COMMAND_H
                     24: #define _ZEBRA_COMMAND_H
                     25: 
                     26: #include "vector.h"
                     27: #include "vty.h"
                     28: #include "lib/route_types.h"
                     29: 
                     30: /* Host configuration variable */
                     31: struct host
                     32: {
                     33:   /* Host name of this router. */
                     34:   char *name;
                     35: 
                     36:   /* Password for vty interface. */
                     37:   char *password;
                     38:   char *password_encrypt;
                     39: 
                     40:   /* Enable password */
                     41:   char *enable;
                     42:   char *enable_encrypt;
                     43: 
                     44:   /* System wide terminal lines. */
                     45:   int lines;
                     46: 
                     47:   /* Log filename. */
                     48:   char *logfile;
                     49: 
                     50:   /* config file name of this host */
                     51:   char *config;
                     52: 
                     53:   /* Flags for services */
                     54:   int advanced;
                     55:   int encrypt;
                     56: 
                     57:   /* Banner configuration. */
                     58:   const char *motd;
                     59:   char *motdfile;
                     60: };
                     61: 
                     62: /* There are some command levels which called from command node. */
                     63: enum node_type 
                     64: {
                     65:   AUTH_NODE,                   /* Authentication mode of vty interface. */
                     66:   RESTRICTED_NODE,             /* Restricted view mode */ 
                     67:   VIEW_NODE,                   /* View node. Default mode of vty interface. */
                     68:   AUTH_ENABLE_NODE,            /* Authentication mode for change enable. */
                     69:   ENABLE_NODE,                 /* Enable node. */
                     70:   CONFIG_NODE,                 /* Config node. Default mode of config file. */
                     71:   SERVICE_NODE,                /* Service node. */
                     72:   DEBUG_NODE,                  /* Debug node. */
                     73:   AAA_NODE,                    /* AAA node. */
                     74:   KEYCHAIN_NODE,               /* Key-chain node. */
                     75:   KEYCHAIN_KEY_NODE,           /* Key-chain key node. */
                     76:   INTERFACE_NODE,              /* Interface mode node. */
                     77:   ZEBRA_NODE,                  /* zebra connection node. */
                     78:   TABLE_NODE,                  /* rtm_table selection node. */
                     79:   RIP_NODE,                    /* RIP protocol mode node. */ 
                     80:   RIPNG_NODE,                  /* RIPng protocol mode node. */
                     81:   BGP_NODE,                    /* BGP protocol mode which includes BGP4+ */
                     82:   BGP_VPNV4_NODE,              /* BGP MPLS-VPN PE exchange. */
                     83:   BGP_IPV4_NODE,               /* BGP IPv4 unicast address family.  */
                     84:   BGP_IPV4M_NODE,              /* BGP IPv4 multicast address family.  */
                     85:   BGP_IPV6_NODE,               /* BGP IPv6 address family */
                     86:   BGP_IPV6M_NODE,              /* BGP IPv6 multicast address family. */
                     87:   OSPF_NODE,                   /* OSPF protocol mode */
                     88:   OSPF6_NODE,                  /* OSPF protocol for IPv6 mode */
                     89:   ISIS_NODE,                   /* ISIS protocol mode */
                     90:   MASC_NODE,                   /* MASC for multicast.  */
                     91:   IRDP_NODE,                   /* ICMP Router Discovery Protocol mode. */ 
                     92:   IP_NODE,                     /* Static ip route node. */
                     93:   ACCESS_NODE,                 /* Access list node. */
                     94:   PREFIX_NODE,                 /* Prefix list node. */
                     95:   ACCESS_IPV6_NODE,            /* Access list node. */
                     96:   PREFIX_IPV6_NODE,            /* Prefix list node. */
                     97:   AS_LIST_NODE,                        /* AS list node. */
                     98:   COMMUNITY_LIST_NODE,         /* Community list node. */
                     99:   RMAP_NODE,                   /* Route map node. */
                    100:   SMUX_NODE,                   /* SNMP configuration node. */
                    101:   DUMP_NODE,                   /* Packet dump node. */
                    102:   FORWARDING_NODE,             /* IP forwarding node. */
                    103:   PROTOCOL_NODE,                /* protocol filtering node */
                    104:   VTY_NODE,                    /* Vty node. */
                    105: };
                    106: 
                    107: /* Node which has some commands and prompt string and configuration
                    108:    function pointer . */
                    109: struct cmd_node 
                    110: {
                    111:   /* Node index. */
                    112:   enum node_type node;         
                    113: 
                    114:   /* Prompt character at vty interface. */
                    115:   const char *prompt;                  
                    116: 
                    117:   /* Is this node's configuration goes to vtysh ? */
                    118:   int vtysh;
                    119:   
                    120:   /* Node's configuration write function */
                    121:   int (*func) (struct vty *);
                    122: 
                    123:   /* Vector of this node's command list. */
                    124:   vector cmd_vector;   
                    125: };
                    126: 
                    127: enum
                    128: {
                    129:   CMD_ATTR_DEPRECATED = 1,
                    130:   CMD_ATTR_HIDDEN,
                    131: };
                    132: 
                    133: /* Structure of command element. */
                    134: struct cmd_element 
                    135: {
                    136:   const char *string;                  /* Command specification by string. */
                    137:   int (*func) (struct cmd_element *, struct vty *, int, const char *[]);
                    138:   const char *doc;                     /* Documentation of this command. */
                    139:   int daemon;                   /* Daemon to which this command belong. */
                    140:   vector strvec;               /* Pointing out each description vector. */
                    141:   unsigned int cmdsize;                /* Command index count. */
                    142:   char *config;                        /* Configuration string */
                    143:   vector subconfig;            /* Sub configuration string */
                    144:   u_char attr;                 /* Command attributes */
                    145: };
                    146: 
                    147: /* Command description structure. */
                    148: struct desc
                    149: {
                    150:   char *cmd;                    /* Command string. */
                    151:   char *str;                    /* Command's description. */
                    152: };
                    153: 
                    154: /* Return value of the commands. */
                    155: #define CMD_SUCCESS              0
                    156: #define CMD_WARNING              1
                    157: #define CMD_ERR_NO_MATCH         2
                    158: #define CMD_ERR_AMBIGUOUS        3
                    159: #define CMD_ERR_INCOMPLETE       4
                    160: #define CMD_ERR_EXEED_ARGC_MAX   5
                    161: #define CMD_ERR_NOTHING_TODO     6
                    162: #define CMD_COMPLETE_FULL_MATCH  7
                    163: #define CMD_COMPLETE_MATCH       8
                    164: #define CMD_COMPLETE_LIST_MATCH  9
                    165: #define CMD_SUCCESS_DAEMON      10
                    166: 
                    167: /* Argc max counts. */
                    168: #define CMD_ARGC_MAX   25
                    169: 
                    170: /* Turn off these macros when uisng cpp with extract.pl */
                    171: #ifndef VTYSH_EXTRACT_PL  
                    172: 
                    173: /* helper defines for end-user DEFUN* macros */
                    174: #define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
                    175:   struct cmd_element cmdname = \
                    176:   { \
                    177:     .string = cmdstr, \
                    178:     .func = funcname, \
                    179:     .doc = helpstr, \
                    180:     .attr = attrs, \
                    181:     .daemon = dnum, \
                    182:   };
                    183: 
                    184: #define DEFUN_CMD_FUNC_DECL(funcname) \
                    185:   static int funcname (struct cmd_element *, struct vty *, int, const char *[]);
                    186: 
                    187: #define DEFUN_CMD_FUNC_TEXT(funcname) \
                    188:   static int funcname \
                    189:     (struct cmd_element *self __attribute__ ((unused)), \
                    190:      struct vty *vty __attribute__ ((unused)), \
                    191:      int argc __attribute__ ((unused)), \
                    192:      const char *argv[] __attribute__ ((unused)) )
                    193: 
                    194: /* DEFUN for vty command interafce. Little bit hacky ;-). */
                    195: #define DEFUN(funcname, cmdname, cmdstr, helpstr) \
                    196:   DEFUN_CMD_FUNC_DECL(funcname) \
                    197:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
                    198:   DEFUN_CMD_FUNC_TEXT(funcname)
                    199: 
                    200: #define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
                    201:   DEFUN_CMD_FUNC_DECL(funcname) \
                    202:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
                    203:   DEFUN_CMD_FUNC_TEXT(funcname)
                    204: 
                    205: #define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
                    206:   DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
                    207: 
                    208: #define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
                    209:   DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
                    210: 
                    211: /* DEFUN_NOSH for commands that vtysh should ignore */
                    212: #define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
                    213:   DEFUN(funcname, cmdname, cmdstr, helpstr)
                    214: 
                    215: /* DEFSH for vtysh. */
                    216: #define DEFSH(daemon, cmdname, cmdstr, helpstr) \
                    217:   DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
                    218: 
                    219: /* DEFUN + DEFSH */
                    220: #define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
                    221:   DEFUN_CMD_FUNC_DECL(funcname) \
                    222:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
                    223:   DEFUN_CMD_FUNC_TEXT(funcname)
                    224: 
                    225: /* DEFUN + DEFSH with attributes */
                    226: #define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
                    227:   DEFUN_CMD_FUNC_DECL(funcname) \
                    228:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
                    229:   DEFUN_CMD_FUNC_TEXT(funcname)
                    230: 
                    231: #define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
                    232:   DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
                    233: 
                    234: #define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
                    235:   DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
                    236: 
                    237: /* ALIAS macro which define existing command's alias. */
                    238: #define ALIAS(funcname, cmdname, cmdstr, helpstr) \
                    239:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
                    240: 
                    241: #define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
                    242:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
                    243: 
                    244: #define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
                    245:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
                    246: 
                    247: #define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
                    248:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
                    249: 
                    250: #define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
                    251:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
                    252: 
                    253: #define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
                    254:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
                    255: 
                    256: #define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
                    257:   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
                    258: 
                    259: #endif /* VTYSH_EXTRACT_PL */
                    260: 
                    261: /* Some macroes */
                    262: #define CMD_OPTION(S)   ((S[0]) == '[')
                    263: #define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<'))
                    264: #define CMD_VARARG(S)   ((S[0]) == '.')
                    265: #define CMD_RANGE(S)   ((S[0] == '<'))
                    266: 
                    267: #define CMD_IPV4(S)       ((strcmp ((S), "A.B.C.D") == 0))
                    268: #define CMD_IPV4_PREFIX(S) ((strcmp ((S), "A.B.C.D/M") == 0))
                    269: #define CMD_IPV6(S)        ((strcmp ((S), "X:X::X:X") == 0))
                    270: #define CMD_IPV6_PREFIX(S) ((strcmp ((S), "X:X::X:X/M") == 0))
                    271: 
                    272: /* Common descriptions. */
                    273: #define SHOW_STR "Show running system information\n"
                    274: #define IP_STR "IP information\n"
                    275: #define IPV6_STR "IPv6 information\n"
                    276: #define NO_STR "Negate a command or set its defaults\n"
                    277: #define REDIST_STR "Redistribute information from another routing protocol\n"
                    278: #define CLEAR_STR "Reset functions\n"
                    279: #define RIP_STR "RIP information\n"
                    280: #define BGP_STR "BGP information\n"
                    281: #define OSPF_STR "OSPF information\n"
                    282: #define NEIGHBOR_STR "Specify neighbor router\n"
                    283: #define DEBUG_STR "Debugging functions (see also 'undebug')\n"
                    284: #define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
                    285: #define ROUTER_STR "Enable a routing process\n"
                    286: #define AS_STR "AS number\n"
                    287: #define MBGP_STR "MBGP information\n"
                    288: #define MATCH_STR "Match values from routing table\n"
                    289: #define SET_STR "Set values in destination routing protocol\n"
                    290: #define OUT_STR "Filter outgoing routing updates\n"
                    291: #define IN_STR  "Filter incoming routing updates\n"
                    292: #define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
                    293: #define OSPF6_NUMBER_STR "Specify by number\n"
                    294: #define INTERFACE_STR "Interface infomation\n"
                    295: #define IFNAME_STR "Interface name(e.g. ep0)\n"
                    296: #define IP6_STR "IPv6 Information\n"
                    297: #define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
                    298: #define OSPF6_ROUTER_STR "Enable a routing process\n"
                    299: #define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
                    300: #define SECONDS_STR "<1-65535> Seconds\n"
                    301: #define ROUTE_STR "Routing Table\n"
                    302: #define PREFIX_LIST_STR "Build a prefix list\n"
                    303: #define OSPF6_DUMP_TYPE_LIST \
                    304: "(neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr)"
                    305: #define ISIS_STR "IS-IS information\n"
                    306: #define AREA_TAG_STR "[area tag]\n"
                    307: 
                    308: #define CONF_BACKUP_EXT ".sav"
                    309: 
                    310: /* IPv4 only machine should not accept IPv6 address for peer's IP
                    311:    address.  So we replace VTY command string like below. */
                    312: #ifdef HAVE_IPV6
                    313: #define NEIGHBOR_CMD       "neighbor (A.B.C.D|X:X::X:X) "
                    314: #define NO_NEIGHBOR_CMD    "no neighbor (A.B.C.D|X:X::X:X) "
                    315: #define NEIGHBOR_ADDR_STR  "Neighbor address\nIPv6 address\n"
                    316: #define NEIGHBOR_CMD2      "neighbor (A.B.C.D|X:X::X:X|WORD) "
                    317: #define NO_NEIGHBOR_CMD2   "no neighbor (A.B.C.D|X:X::X:X|WORD) "
                    318: #define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nNeighbor tag\n"
                    319: #else
                    320: #define NEIGHBOR_CMD       "neighbor A.B.C.D "
                    321: #define NO_NEIGHBOR_CMD    "no neighbor A.B.C.D "
                    322: #define NEIGHBOR_ADDR_STR  "Neighbor address\n"
                    323: #define NEIGHBOR_CMD2      "neighbor (A.B.C.D|WORD) "
                    324: #define NO_NEIGHBOR_CMD2   "no neighbor (A.B.C.D|WORD) "
                    325: #define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor tag\n"
                    326: #endif /* HAVE_IPV6 */
                    327: 
                    328: /* Prototypes. */
                    329: extern void install_node (struct cmd_node *, int (*) (struct vty *));
                    330: extern void install_default (enum node_type);
                    331: extern void install_element (enum node_type, struct cmd_element *);
                    332: extern void sort_node (void);
                    333: 
                    334: /* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
                    335:    string with a space between each element (allocated using
                    336:    XMALLOC(MTYPE_TMP)).  Returns NULL if shift >= argc. */
                    337: extern char *argv_concat (const char **argv, int argc, int shift);
                    338: 
                    339: extern vector cmd_make_strvec (const char *);
                    340: extern void cmd_free_strvec (vector);
                    341: extern vector cmd_describe_command (vector, struct vty *, int *status);
                    342: extern char **cmd_complete_command (vector, struct vty *, int *status);
                    343: extern const char *cmd_prompt (enum node_type);
                    344: extern int config_from_file (struct vty *, FILE *);
                    345: extern enum node_type node_parent (enum node_type);
                    346: extern int cmd_execute_command (vector, struct vty *, struct cmd_element **, int);
                    347: extern int cmd_execute_command_strict (vector, struct vty *, struct cmd_element **);
                    348: extern void config_replace_string (struct cmd_element *, char *, ...);
                    349: extern void cmd_init (int);
                    350: extern void cmd_terminate (void);
                    351: 
                    352: /* Export typical functions. */
                    353: extern struct cmd_element config_end_cmd;
                    354: extern struct cmd_element config_exit_cmd;
                    355: extern struct cmd_element config_quit_cmd;
                    356: extern struct cmd_element config_help_cmd;
                    357: extern struct cmd_element config_list_cmd;
                    358: extern char *host_config_file (void);
                    359: extern void host_config_set (char *);
                    360: 
                    361: extern void print_version (const char *);
                    362: 
                    363: /* struct host global, ick */
                    364: extern struct host host; 
                    365: 
                    366: /* "<cr>" global */
                    367: extern char *command_cr;
                    368: #endif /* _ZEBRA_COMMAND_H */

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