bc2fb68098
we want to allow filter and similar complex constructs to be used in commands
and we should avoid code duplication), only with CLI_MARKER token prepended
before the whole input.
Defined macro CF_CLI(cmd, args, help) for defining CLI commands in .Y files.
The first argument specifies the command itself, the remaining two arguments
are copied to the help file (er, will be copied after the help file starts
to exist). This macro automatically creates a skeleton rule for the command,
you only need to append arguments as in:
CF_CLI(STEAL MONEY, <$>, [[Steal <$> US dollars or equivalent in any other currency]]): NUM {
cli_msg(0, "%d$ stolen", $3);
} ;
Also don't forget to reset lexer state between inputs.
193 lines
4.3 KiB
Plaintext
193 lines
4.3 KiB
Plaintext
/*
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* BIRD -- Core Configuration
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*
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* (c) 1998--1999 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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CF_HDR
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static struct proto_config *this_proto;
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static struct iface_patt *this_ipatt;
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#include "nest/rt-dev.h"
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#include "nest/password.h"
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CF_DECLS
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CF_KEYWORDS(ROUTER, ID, PROTOCOL, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
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CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, TABLE)
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CF_KEYWORDS(PASSWORD, FROM, PASSIVE, TO, ID)
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%type <i32> idval
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%type <f> imexport
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%type <r> rtable
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%type <p> password_list password_begin
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CF_GRAMMAR
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/* Setting of router ID */
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CF_ADDTO(conf, rtrid)
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rtrid: ROUTER ID idval ';' {
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new_config->router_id = $3;
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}
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;
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idval:
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NUM { $$ = $1; }
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| RTRID
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| IPA {
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#ifndef IPV6
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$$ = ipa_to_u32($1);
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#else
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cf_error("Router IDs must be entered as hexadecimal numbers in IPv6 version");
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#endif
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}
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;
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/* Creation of routing tables */
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CF_ADDTO(conf, newtab)
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newtab: TABLE SYM {
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struct rtable_config *c = cfg_allocz(sizeof(struct rtable_config));
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struct symbol *s = $2;
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cf_define_symbol(s, SYM_TABLE, c);
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c->name = s->name;
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add_tail(&new_config->tables, &c->n);
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}
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;
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/* Definition of protocols */
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CF_ADDTO(conf, proto)
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proto_start: PROTOCOL
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proto_name:
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/* EMPTY */ {
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struct symbol *s = cf_default_name(this_proto->proto->name, &this_proto->proto->name_counter);
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s->class = SYM_PROTO;
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s->def = this_proto;
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this_proto->name = s->name;
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}
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| SYM {
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cf_define_symbol($1, SYM_PROTO, this_proto);
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this_proto->name = $1->name;
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}
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;
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proto_item:
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/* EMPTY */
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| PREFERENCE expr {
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if ($2 < 0 || $2 > 255) cf_error("Invalid preference");
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this_proto->preference = $2;
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}
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| DISABLED { this_proto->disabled = 1; }
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| DEBUG expr { this_proto->debug = $2; }
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| DEBUG ALL { this_proto->debug = ~0; }
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| DEBUG OFF { this_proto->debug = 0; }
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| IMPORT imexport { this_proto->in_filter = $2; }
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| EXPORT imexport { this_proto->out_filter = $2; }
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| TABLE rtable { this_proto->table = $2; }
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;
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imexport:
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FILTER filter { $$ = $2; }
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| ALL { $$ = FILTER_ACCEPT; }
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| NONE { $$ = FILTER_REJECT; }
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;
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rtable:
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SYM {
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if ($1->class != SYM_TABLE) cf_error("Table name expected");
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$$ = $1->def;
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}
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;
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/* Interface patterns */
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iface_patt:
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TEXT { this_ipatt->pattern = $1; this_ipatt->prefix = IPA_NONE; this_ipatt->pxlen = 0; }
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| IPA pxlen { this_ipatt->pattern = NULL; this_ipatt->prefix = $1; this_ipatt->pxlen = $2; }
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| TEXT IPA pxlen { this_ipatt->pattern = $1; this_ipatt->prefix = $2; this_ipatt->pxlen = $3; }
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;
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/* Direct device route protocol */
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CF_ADDTO(proto, dev_proto '}')
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dev_proto_start: proto_start DIRECT {
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struct rt_dev_config *p = proto_config_new(&proto_device, sizeof(struct rt_dev_config));
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this_proto = &p->c;
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p->c.preference = DEF_PREF_DIRECT;
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init_list(&p->iface_list);
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}
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;
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dev_proto:
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dev_proto_start proto_name '{'
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| dev_proto proto_item ';'
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| dev_proto dev_iface_list ';'
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;
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dev_iface_entry_init:
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/* EMPTY */ {
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struct rt_dev_config *p = (void *) this_proto;
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struct iface_patt *k = cfg_allocz(sizeof(struct iface_patt));
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add_tail(&p->iface_list, &k->n);
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this_ipatt = k;
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}
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;
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dev_iface_entry:
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dev_iface_entry_init iface_patt
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;
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dev_iface_list:
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INTERFACE dev_iface_entry
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| dev_iface_list ',' dev_iface_entry
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;
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/* Password lists */
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password_begin:
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PASSWORD TEXT {
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last_password_item = cfg_alloc(sizeof (struct password_item));
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last_password_item->password = $2;
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last_password_item->from = 0;
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last_password_item->to = 2000000000;
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last_password_item->id = 0;
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last_password_item->next = NULL;
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$$=last_password_item;
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}
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;
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password_items:
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/* empty */ { }
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| FROM datetime password_items { last_password_item->from = $2; }
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| TO datetime password_items { last_password_item->to = $2; }
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| PASSIVE datetime password_items { last_password_item->passive = $2; }
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| ID NUM password_items { last_password_item->id = $2; }
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;
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password_list:
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/* empty */ { $$ = NULL; }
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| password_begin password_items ';' password_list {
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$1->next = $4;
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$$ = $1;
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}
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;
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/* Core commands */
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CF_CLI(TEST LEDS, <N>, [[Flashes each LED <N> times]]) NUM { cli_msg(0, "%d", $3); } ;
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CF_CLI(TEST, 1, 2) { cli_msg(0, "OK"); }
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CF_CODE
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CF_END
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