bird/nest/config.Y

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/*
* BIRD -- Core Configuration
*
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
2004-07-13 22:46:14 +08:00
* (c) 2004 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
CF_HDR
#include "nest/rt-dev.h"
#include "nest/password.h"
#include "nest/cmds.h"
#include "lib/lists.h"
#include "lib/mac.h"
CF_DEFINES
static struct proto_config *this_proto;
static struct channel_config *this_channel;
static struct iface_patt *this_ipatt;
static struct iface_patt_node *this_ipn;
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/* static struct roa_table_config *this_roa_table; */
static list *this_p_list;
static struct password_item *this_p_item;
static int password_id;
static void
iface_patt_check(void)
{
struct iface_patt_node *pn;
WALK_LIST(pn, this_ipatt->ipn_list)
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if (!pn->pattern || pn->prefix.type)
cf_error("Interface name/mask expected, not IP prefix");
}
static inline void
reset_passwords(void)
{
this_p_list = NULL;
}
static inline list *
get_passwords(void)
{
list *rv = this_p_list;
this_p_list = NULL;
return rv;
}
static void
proto_postconfig(void)
{
CALL(this_proto->protocol->postconfig, this_proto);
this_channel = NULL;
this_proto = NULL;
}
#define DIRECT_CFG ((struct rt_dev_config *) this_proto)
CF_DECLS
CF_KEYWORDS(ROUTER, ID, PROTOCOL, TEMPLATE, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
Basic VRF support Add basic VRF (virtual routing and forwarding) support. Protocols can be associated with VRFs, such protocols will be restricted to interfaces assigned to the VRF (as reported by Linux kernel) and will use sockets bound to the VRF. E.g., different multihop BGP instances can use diffent kernel routing tables to handle BGP TCP connections. The VRF support is preliminary, currently there are several limitations: - Recent Linux kernels (4.11) do not handle correctly sockets bound to interaces that are part of VRF, so most protocols other than multihop BGP do not work. This will be fixed by future kernel versions. - Neighbor cache ignores VRFs. Breaks config with the same prefix on local interfaces in different VRFs. Not much problem as single hop protocols do not work anyways. - Olock code ignores VRFs. Breaks config with multiple BGP peers with the same IP address in different VRFs. - Incoming BGP connections are not dispatched according to VRFs. Breaks config with multiple BGP peers with the same IP address in different VRFs. Perhaps we would need some kernel API to read VRF of incoming connection? Or probably use multiple listening sockets in int-new branch. - We should handle master VRF interface up/down events and perhaps disable associated protocols when VRF goes down. Or at least disable associated interfaces. - Also we should check if the master iface is really VRF iface and not some other kind of master iface. - BFD session request dispatch should be aware of VRFs. - Perhaps kernel protocol should read default kernel table ID from VRF iface so it is not necessary to configure it. - Perhaps we should have per-VRF default table.
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CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, VRF, TABLE, STATES, ROUTES, FILTERS)
CF_KEYWORDS(IPV4, IPV6, VPN4, VPN6, ROA4, ROA6, FLOW4, FLOW6, SADR, MPLS)
CF_KEYWORDS(RECEIVE, LIMIT, ACTION, WARN, BLOCK, RESTART, DISABLE, KEEP, FILTERED)
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CF_KEYWORDS(PASSWORD, FROM, PASSIVE, TO, ID, EVENTS, PACKETS, PROTOCOLS, INTERFACES)
CF_KEYWORDS(ALGORITHM, KEYED, HMAC, MD5, SHA1, SHA256, SHA384, SHA512)
CF_KEYWORDS(PRIMARY, STATS, COUNT, BY, FOR, COMMANDS, PREEXPORT, NOEXPORT, GENERATE)
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CF_KEYWORDS(BGP, PASSWORDS, DESCRIPTION, SORTED)
CF_KEYWORDS(RELOAD, IN, OUT, MRTDUMP, MESSAGES, RESTRICT, MEMORY, IGP_METRIC, CLASS, DSCP)
CF_KEYWORDS(TIMEFORMAT, ISO, SHORT, LONG, ROUTE, PROTOCOL, BASE, LOG, S, MS, US)
CF_KEYWORDS(GRACEFUL, RESTART, WAIT, MAX, FLUSH, AS)
/* For r_args_channel */
CF_KEYWORDS(IPV4, IPV4_MC, IPV4_MPLS, IPV6, IPV6_MC, IPV6_MPLS, IPV6_SADR, VPN4, VPN4_MC, VPN4_MPLS, VPN6, VPN6_MC, VPN6_MPLS, ROA4, ROA6, FLOW4, FLOW6, MPLS, PRI, SEC)
1999-11-15 19:36:22 +08:00
CF_ENUM(T_ENUM_RTS, RTS_, DUMMY, STATIC, INHERIT, DEVICE, STATIC_DEVICE, REDIRECT,
RIP, OSPF, OSPF_IA, OSPF_EXT1, OSPF_EXT2, BGP, PIPE, BABEL)
CF_ENUM(T_ENUM_SCOPE, SCOPE_, HOST, LINK, SITE, ORGANIZATION, UNIVERSE, UNDEFINED)
CF_ENUM(T_ENUM_RTD, RTD_, UNICAST, BLACKHOLE, UNREACHABLE, PROHIBIT)
CF_ENUM(T_ENUM_ROA, ROA_, UNKNOWN, VALID, INVALID)
1999-11-15 19:36:22 +08:00
%type <i32> idval
%type <f> imexport
%type <r> rtable
%type <s> optproto sym_proto_or_template
%type <ra> r_args
%type <sd> sym_args
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%type <i> proto_start echo_mask echo_size debug_mask debug_list debug_flag mrtdump_mask mrtdump_list mrtdump_flag export_mode limit_action net_type table_sorted tos password_algorithm
%type <ps> proto_patt proto_patt2
%type <cc> channel_start proto_channel
%type <cl> limit_spec
%type <net> r_args_for_val
%type <net_ptr> r_args_for
%type <t> r_args_channel
CF_GRAMMAR
/* Setting of router ID */
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conf: rtrid ;
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rtrid:
ROUTER ID idval ';' { new_config->router_id = $3; }
| ROUTER ID FROM iface_patt ';' { new_config->router_id_from = this_ipatt; }
;
idval:
NUM { $$ = $1; }
| '(' term ')' { $$ = f_eval_int(f_postfixify($2)); }
| IP4 { $$ = ip4_to_u32($1); }
| CF_SYM_CONSTANT {
if ($1->class == (SYM_CONSTANT | T_INT) || $1->class == (SYM_CONSTANT | T_QUAD))
$$ = SYM_VAL($1).i;
else if (($1->class == (SYM_CONSTANT | T_IP)) && ipa_is_ip4(SYM_VAL($1).ip))
$$ = ipa_to_u32(SYM_VAL($1).ip);
else
cf_error("Number or IPv4 address constant expected");
}
;
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conf: gr_opts ;
gr_opts: GRACEFUL RESTART WAIT expr ';' { new_config->gr_wait = $4; } ;
/* Network types (for tables, channels) */
net_type:
IPV4 { $$ = NET_IP4; }
| IPV6 { $$ = NET_IP6; }
| IPV6 SADR { $$ = NET_IP6_SADR; }
| VPN4 { $$ = NET_VPN4; }
| VPN6 { $$ = NET_VPN6; }
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| ROA4 { $$ = NET_ROA4; }
| ROA6 { $$ = NET_ROA6; }
| FLOW4{ $$ = NET_FLOW4; }
| FLOW6{ $$ = NET_FLOW6; }
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| MPLS { $$ = NET_MPLS; }
;
CF_ENUM(T_ENUM_NETTYPE, NET_, IP4, IP6, VPN4, VPN6, ROA4, ROA6, FLOW4, FLOW6, IP6_SADR)
/* Creation of routing tables */
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conf: table ;
table_sorted:
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{ $$ = 0; }
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| SORTED { $$ = 1; }
;
table: net_type TABLE CF_SYM_VOID table_sorted {
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struct rtable_config *cf;
cf = rt_new_table($3, $1);
cf->sorted = $4;
}
;
/* Definition of protocols */
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conf: proto { proto_postconfig(); } ;
proto_start:
PROTOCOL { $$ = SYM_PROTO; }
| TEMPLATE { $$ = SYM_TEMPLATE; }
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;
sym_proto_or_template: CF_SYM_PROTO | CF_SYM_TEMPLATE ;
proto_name:
/* EMPTY */ {
struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
s->class = this_proto->class;
s->def = this_proto;
this_proto->name = s->name;
}
| CF_SYM_VOID {
cf_define_symbol($1, this_proto->class, this_proto);
this_proto->name = $1->name;
}
| FROM sym_proto_or_template {
struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
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s->class = this_proto->class;
s->def = this_proto;
this_proto->name = s->name;
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if (($2->class != SYM_TEMPLATE) && ($2->class != SYM_PROTO)) cf_error("Template or protocol name expected");
proto_copy_config(this_proto, $2->def);
}
| CF_SYM_VOID FROM sym_proto_or_template {
cf_define_symbol($1, this_proto->class, this_proto);
this_proto->name = $1->name;
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if (($3->class != SYM_TEMPLATE) && ($3->class != SYM_PROTO)) cf_error("Template or protocol name expected");
proto_copy_config(this_proto, $3->def);
}
;
proto_item:
/* EMPTY */
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| DISABLED bool { this_proto->disabled = $2; }
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
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| DEBUG debug_mask { this_proto->debug = $2; }
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| MRTDUMP mrtdump_mask { this_proto->mrtdump = $2; }
| ROUTER ID idval { this_proto->router_id = $3; }
| DESCRIPTION text { this_proto->dsc = $2; }
| VRF text { this_proto->vrf = if_get_by_name($2); }
;
channel_start: net_type
{
$$ = this_channel = channel_config_get(NULL, net_label[$1], $1, this_proto);
};
channel_item:
TABLE rtable {
if (this_channel->net_type && ($2->addr_type != this_channel->net_type))
cf_error("Incompatible table type");
this_channel->table = $2;
}
| IMPORT imexport { this_channel->in_filter = $2; }
| EXPORT imexport { this_channel->out_filter = $2; }
| RECEIVE LIMIT limit_spec { this_channel->rx_limit = $3; }
| IMPORT LIMIT limit_spec { this_channel->in_limit = $3; }
| EXPORT LIMIT limit_spec { this_channel->out_limit = $3; }
| PREFERENCE expr { this_channel->preference = $2; check_u16($2); }
| IMPORT KEEP FILTERED bool { this_channel->in_keep_filtered = $4; }
;
channel_opts:
/* empty */
| channel_opts channel_item ';'
;
channel_opt_list:
/* empty */
| '{' channel_opts '}'
;
channel_end:
{
if (!this_channel->table)
cf_error("Routing table not specified");
this_channel = NULL;
};
proto_channel: channel_start channel_opt_list channel_end;
rtable: CF_SYM_TABLE { $$ = $1->def; } ;
imexport:
FILTER filter { $$ = $2; }
| where_filter
| ALL { $$ = FILTER_ACCEPT; }
| NONE { $$ = FILTER_REJECT; }
;
limit_action:
/* default */ { $$ = PLA_DISABLE; }
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| ACTION WARN { $$ = PLA_WARN; }
| ACTION BLOCK { $$ = PLA_BLOCK; }
| ACTION RESTART { $$ = PLA_RESTART; }
| ACTION DISABLE { $$ = PLA_DISABLE; }
;
limit_spec:
expr limit_action { $$ = (struct channel_limit){ .limit = $1, $$.action = $2 }; }
| OFF { $$ = (struct channel_limit){}; }
;
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conf: debug_default ;
debug_default:
DEBUG PROTOCOLS debug_mask { new_config->proto_default_debug = $3; }
| DEBUG COMMANDS expr { new_config->cli_debug = $3; }
;
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/* MRTDUMP PROTOCOLS is in systep/unix/config.Y */
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conf: timeformat_base ;
timeformat_which:
ROUTE { $$ = &new_config->tf_route; }
| PROTOCOL { $$ = &new_config->tf_proto; }
| BASE { $$ = &new_config->tf_base; }
| LOG { $$ = &new_config->tf_log; }
;
timeformat_spec:
timeformat_which TEXT { *$1 = (struct timeformat){$2, NULL, 0}; }
| timeformat_which TEXT expr TEXT { *$1 = (struct timeformat){$2, $4, (s64) $3 S_}; }
| timeformat_which ISO SHORT { *$1 = TM_ISO_SHORT_S; }
| timeformat_which ISO SHORT MS { *$1 = TM_ISO_SHORT_MS; }
| timeformat_which ISO SHORT US { *$1 = TM_ISO_SHORT_US; }
| timeformat_which ISO LONG { *$1 = TM_ISO_LONG_S; }
| timeformat_which ISO LONG MS { *$1 = TM_ISO_LONG_MS; }
| timeformat_which ISO LONG US { *$1 = TM_ISO_LONG_US; }
;
timeformat_base:
TIMEFORMAT timeformat_spec ';'
;
/* Interface patterns */
iface_patt_node_init:
/* EMPTY */ {
struct iface_patt_node *ipn = cfg_allocz(sizeof(struct iface_patt_node));
add_tail(&this_ipatt->ipn_list, NODE ipn);
this_ipn = ipn;
}
;
iface_patt_node_body:
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TEXT { this_ipn->pattern = $1; /* this_ipn->prefix stays zero */ }
| opttext net_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2; }
;
iface_negate:
{ this_ipn->positive = 1; }
| '-' { this_ipn->positive = 0; }
;
iface_patt_node:
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iface_patt_node_init iface_negate iface_patt_node_body
;
iface_patt_list:
iface_patt_node
| iface_patt_list ',' iface_patt_node
;
/* For name/mask-only iface patterns */
iface_patt_list_nopx: iface_patt_list { iface_patt_check(); }
iface_patt_init: {
/* Generic this_ipatt init */
this_ipatt = cfg_allocz(sizeof(struct iface_patt));
init_list(&this_ipatt->ipn_list);
}
;
iface_patt:
iface_patt_init iface_patt_list
;
tos:
CLASS expr { $$ = $2 & 0xfc; if ($2 > 255) cf_error("TX class must be in range 0-255"); }
| DSCP expr { $$ = ($2 & 0x3f) << 2; if ($2 > 63) cf_error("TX DSCP must be in range 0-63"); }
;
/* Direct device route protocol */
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proto: dev_proto '}' ;
dev_proto_start: proto_start DIRECT {
this_proto = proto_config_new(&proto_device, $1);
init_list(&DIRECT_CFG->iface_list);
}
;
dev_proto:
dev_proto_start proto_name '{'
| dev_proto proto_item ';'
| dev_proto proto_channel ';'
| dev_proto dev_iface_patt ';'
| dev_proto CHECK LINK bool ';' { DIRECT_CFG->check_link = $4; }
;
dev_iface_init:
/* EMPTY */ {
this_ipatt = cfg_allocz(sizeof(struct iface_patt));
add_tail(&DIRECT_CFG->iface_list, NODE this_ipatt);
init_list(&this_ipatt->ipn_list);
}
;
dev_iface_patt:
INTERFACE dev_iface_init iface_patt_list
;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
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/* Debug flags */
debug_mask:
ALL { $$ = ~0; }
| OFF { $$ = 0; }
| '{' debug_list '}' { $$ = $2; }
;
debug_list:
debug_flag
| debug_list ',' debug_flag { $$ = $1 | $3; }
;
debug_flag:
STATES { $$ = D_STATES; }
| ROUTES { $$ = D_ROUTES; }
| FILTERS { $$ = D_FILTERS; }
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| INTERFACES { $$ = D_IFACES; }
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
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| EVENTS { $$ = D_EVENTS; }
| PACKETS { $$ = D_PACKETS; }
;
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/* MRTDump flags */
mrtdump_mask:
ALL { $$ = ~0; }
| OFF { $$ = 0; }
| '{' mrtdump_list '}' { $$ = $2; }
;
mrtdump_list:
mrtdump_flag
| mrtdump_list ',' mrtdump_flag { $$ = $1 | $3; }
;
mrtdump_flag:
STATES { $$ = MD_STATES; }
| MESSAGES { $$ = MD_MESSAGES; }
;
/* Password lists */
password_list:
PASSWORDS '{' password_items '}'
| password_item
;
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password_items:
/* empty */
| password_item ';' password_items
;
password_item:
password_item_begin '{' password_item_params '}'
| password_item_begin
;
password_item_begin:
PASSWORD text {
if (!this_p_list) {
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this_p_list = cfg_alloc(sizeof(list));
init_list(this_p_list);
password_id = 1;
}
this_p_item = cfg_alloc(sizeof (struct password_item));
this_p_item->password = $2;
this_p_item->length = strlen($2);
this_p_item->genfrom = 0;
this_p_item->gento = TIME_INFINITY;
this_p_item->accfrom = 0;
this_p_item->accto = TIME_INFINITY;
this_p_item->id = password_id++;
this_p_item->alg = ALG_UNDEFINED;
add_tail(this_p_list, &this_p_item->n);
}
;
password_item_params:
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/* empty */ { }
| GENERATE FROM time ';' password_item_params { this_p_item->genfrom = $3; }
| GENERATE TO time ';' password_item_params { this_p_item->gento = $3; }
| ACCEPT FROM time ';' password_item_params { this_p_item->accfrom = $3; }
| ACCEPT TO time ';' password_item_params { this_p_item->accto = $3; }
| FROM time ';' password_item_params { this_p_item->genfrom = this_p_item->accfrom = $2; }
| TO time ';' password_item_params { this_p_item->gento = this_p_item->accto = $2; }
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| ID expr ';' password_item_params { this_p_item->id = $2; if ($2 <= 0) cf_error("Password ID has to be greated than zero."); }
| ALGORITHM password_algorithm ';' password_item_params { this_p_item->alg = $2; }
;
password_algorithm:
KEYED MD5 { $$ = ALG_MD5; }
| KEYED SHA1 { $$ = ALG_SHA1; }
| KEYED SHA256 { $$ = ALG_SHA256; }
| KEYED SHA384 { $$ = ALG_SHA384; }
| KEYED SHA512 { $$ = ALG_SHA512; }
| HMAC MD5 { $$ = ALG_HMAC_MD5; }
| HMAC SHA1 { $$ = ALG_HMAC_SHA1; }
| HMAC SHA256 { $$ = ALG_HMAC_SHA256; }
| HMAC SHA384 { $$ = ALG_HMAC_SHA384; }
| HMAC SHA512 { $$ = ALG_HMAC_SHA512; }
;
/* Core commands */
CF_CLI_HELP(SHOW, ..., [[Show status information]])
CF_CLI(SHOW STATUS,,, [[Show router status]])
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{ cmd_show_status(); } ;
CF_CLI(SHOW MEMORY,,, [[Show memory usage]])
{ cmd_show_memory(); } ;
CF_CLI(SHOW PROTOCOLS, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocols]])
{ proto_apply_cmd($3, proto_cmd_show, 0, 0); } ;
CF_CLI(SHOW PROTOCOLS ALL, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocol details]])
{ proto_apply_cmd($4, proto_cmd_show, 0, 1); } ;
optproto:
CF_SYM_PROTO
| /* empty */ { $$ = NULL; }
;
CF_CLI(SHOW INTERFACES,,, [[Show network interfaces]])
{ if_show(); } ;
CF_CLI(SHOW INTERFACES SUMMARY,,, [[Show summary of network interfaces]])
{ if_show_summary(); } ;
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CF_CLI_HELP(SHOW ROUTE, ..., [[Show routing table]])
CF_CLI(SHOW ROUTE, r_args, [[[<prefix>|for <prefix>|for <ip>] [table <t>] [filter <f>|where <cond>] [all] [primary] [filtered] [(export|preexport|noexport) <p>] [protocol <p>] [stats|count]]], [[Show routing table]])
{ rt_show($3); } ;
r_args:
/* empty */ {
$$ = cfg_allocz(sizeof(struct rt_show_data));
init_list(&($$->tables));
$$->filter = FILTER_ACCEPT;
$$->running_on_config = new_config->fallback;
}
| r_args net_any {
$$ = $1;
2015-12-24 22:52:03 +08:00
if ($$->addr) cf_error("Only one prefix expected");
$$->addr = $2;
}
| r_args FOR r_args_for {
$$ = $1;
2015-12-24 22:52:03 +08:00
if ($$->addr) cf_error("Only one prefix expected");
$$->show_for = 1;
$$->addr = $3;
}
| r_args TABLE CF_SYM_TABLE {
$$ = $1;
rt_show_add_table($$, ((struct rtable_config *)$3->def)->table);
$$->tables_defined_by = RSD_TDB_DIRECT;
}
| r_args TABLE ALL {
struct rtable_config *t;
$$ = $1;
WALK_LIST(t, config->tables)
rt_show_add_table($$, t->table);
$$->tables_defined_by = RSD_TDB_ALL;
}
| r_args IMPORT TABLE CF_SYM_PROTO '.' r_args_channel {
$$ = $1;
struct proto_config *cf = (void *) $4->def;
if (!cf->proto) cf_error("%s is not a protocol", $4->name);
struct channel *c = proto_find_channel_by_name(cf->proto, $6);
if (!c) cf_error("Channel %s.%s not found", $4->name, $6);
if (!c->in_table) cf_error("No import table in channel %s.%s", $4->name, $6);
rt_show_add_table($$, c->in_table);
$$->tables_defined_by = RSD_TDB_DIRECT;
}
| r_args FILTER filter {
$$ = $1;
if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
$$->filter = $3;
}
| r_args where_filter {
$$ = $1;
if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
$$->filter = $2;
}
| r_args ALL {
$$ = $1;
$$->verbose = 1;
}
| r_args PRIMARY {
$$ = $1;
$$->primary_only = 1;
}
| r_args FILTERED {
$$ = $1;
$$->filtered = 1;
}
| r_args export_mode CF_SYM_PROTO {
struct proto_config *c = (struct proto_config *) $3->def;
$$ = $1;
if ($$->export_mode) cf_error("Export specified twice");
if (!c->proto) cf_error("%s is not a protocol", $3->name);
$$->export_mode = $2;
$$->export_protocol = c->proto;
$$->tables_defined_by = RSD_TDB_INDIRECT;
}
| r_args export_mode CF_SYM_PROTO '.' r_args_channel {
struct proto_config *c = (struct proto_config *) $3->def;
$$ = $1;
if ($$->export_mode) cf_error("Export specified twice");
if (!c->proto) cf_error("%s is not a protocol", $3->name);
$$->export_mode = $2;
$$->export_channel = proto_find_channel_by_name(c->proto, $5);
if (!$$->export_channel) cf_error("Export channel not found");
$$->tables_defined_by = RSD_TDB_INDIRECT;
}
| r_args PROTOCOL CF_SYM_PROTO {
struct proto_config *c = (struct proto_config *) $3->def;
$$ = $1;
if ($$->show_protocol) cf_error("Protocol specified twice");
if (!c->proto) cf_error("%s is not a protocol", $3->name);
$$->show_protocol = c->proto;
$$->tables_defined_by = RSD_TDB_INDIRECT;
}
2000-05-07 19:28:59 +08:00
| r_args STATS {
$$ = $1;
$$->stats = 1;
}
| r_args COUNT {
$$ = $1;
$$->stats = 2;
}
;
r_args_for:
r_args_for_val {
$$ = cfg_alloc($1.length);
net_copy($$, &$1);
}
| net_vpn4_
| net_vpn6_
| net_ip6_sadr_
| VPN_RD IP4 {
$$ = cfg_alloc(sizeof(net_addr_vpn4));
net_fill_vpn4($$, $2, IP4_MAX_PREFIX_LENGTH, $1);
}
| VPN_RD IP6 {
$$ = cfg_alloc(sizeof(net_addr_vpn6));
net_fill_vpn6($$, $2, IP6_MAX_PREFIX_LENGTH, $1);
}
| IP6 FROM IP6 {
$$ = cfg_alloc(sizeof(net_addr_ip6_sadr));
net_fill_ip6_sadr($$, $1, IP6_MAX_PREFIX_LENGTH, $3, IP6_MAX_PREFIX_LENGTH);
}
| CF_SYM_CONSTANT {
if ($1->class == (SYM_CONSTANT | T_IP))
{
$$ = cfg_alloc(ipa_is_ip4(SYM_VAL($1).ip) ? sizeof(net_addr_ip4) : sizeof(net_addr_ip6));
net_fill_ip_host($$, SYM_VAL($1).ip);
}
else if (($1->class == (SYM_CONSTANT | T_NET)) && net_type_match(SYM_VAL($1).net, NB_IP | NB_VPN))
2017-04-29 06:36:35 +08:00
$$ = (net_addr *) SYM_VAL($1).net; /* Avoid const warning */
else
cf_error("IP address or network expected");
}
;
r_args_for_val:
net_ip4_
| net_ip6_
| IP4 { net_fill_ip4(&($$), $1, IP4_MAX_PREFIX_LENGTH); }
| IP6 { net_fill_ip6(&($$), $1, IP6_MAX_PREFIX_LENGTH); }
export_mode:
PREEXPORT { $$ = RSEM_PREEXPORT; }
| EXPORT { $$ = RSEM_EXPORT; }
| NOEXPORT { $$ = RSEM_NOEXPORT; }
;
/* This is ugly hack */
r_args_channel:
IPV4 { $$ = "ipv4"; }
| IPV4_MC { $$ = "ipv4-mc"; }
| IPV4_MPLS { $$ = "ipv4-mpls"; }
| IPV6 { $$ = "ipv6"; }
| IPV6_MC { $$ = "ipv6-mc"; }
| IPV6_MPLS { $$ = "ipv6-mpls"; }
| IPV6_SADR { $$ = "ipv6-sadr"; }
| VPN4 { $$ = "vpn4"; }
| VPN4_MC { $$ = "vpn4-mc"; }
| VPN4_MPLS { $$ = "vpn4-mpls"; }
| VPN6 { $$ = "vpn6"; }
| VPN6_MC { $$ = "vpn6-mc"; }
| VPN6_MPLS { $$ = "vpn6-mpls"; }
| ROA4 { $$ = "roa4"; }
| ROA6 { $$ = "roa6"; }
| FLOW4 { $$ = "flow4"; }
| FLOW6 { $$ = "flow6"; }
| MPLS { $$ = "mpls"; }
| PRI { $$ = "pri"; }
| SEC { $$ = "sec"; }
;
2012-03-22 18:46:38 +08:00
CF_CLI_HELP(SHOW SYMBOLS, ..., [[Show all known symbolic names]])
CF_CLI(SHOW SYMBOLS, sym_args, [table|filter|function|protocol|template|<symbol>], [[Show all known symbolic names]])
{ cmd_show_symbols($3); } ;
sym_args:
/* empty */ {
$$ = cfg_allocz(sizeof(struct sym_show_data));
}
| sym_args TABLE { $$ = $1; $$->type = SYM_TABLE; }
| sym_args FUNCTION { $$ = $1; $$->type = SYM_FUNCTION; }
| sym_args FILTER { $$ = $1; $$->type = SYM_FILTER; }
| sym_args PROTOCOL { $$ = $1; $$->type = SYM_PROTO; }
| sym_args TEMPLATE { $$ = $1; $$->type = SYM_TEMPLATE; }
| sym_args symbol { $$ = $1; $$->sym = $2; }
;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
2000-03-08 04:49:48 +08:00
CF_CLI_HELP(DUMP, ..., [[Dump debugging information]])
CF_CLI(DUMP RESOURCES,,, [[Dump all allocated resource]])
{ rdump(&root_pool); cli_msg(0, ""); } ;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
2000-03-08 04:49:48 +08:00
CF_CLI(DUMP SOCKETS,,, [[Dump open sockets]])
{ sk_dump_all(); cli_msg(0, ""); } ;
CF_CLI(DUMP EVENTS,,, [[Dump event log]])
{ io_log_dump(); cli_msg(0, ""); } ;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
2000-03-08 04:49:48 +08:00
CF_CLI(DUMP INTERFACES,,, [[Dump interface information]])
{ if_dump_all(); cli_msg(0, ""); } ;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
2000-03-08 04:49:48 +08:00
CF_CLI(DUMP NEIGHBORS,,, [[Dump neighbor cache]])
{ neigh_dump_all(); cli_msg(0, ""); } ;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
2000-03-08 04:49:48 +08:00
CF_CLI(DUMP ATTRIBUTES,,, [[Dump attribute cache]])
{ rta_dump_all(); cli_msg(0, ""); } ;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
2000-03-08 04:49:48 +08:00
CF_CLI(DUMP ROUTES,,, [[Dump routing table]])
{ rt_dump_all(); cli_msg(0, ""); } ;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
2000-03-08 04:49:48 +08:00
CF_CLI(DUMP PROTOCOLS,,, [[Dump protocol information]])
{ protos_dump_all(); cli_msg(0, ""); } ;
CF_CLI(EVAL, term, <expr>, [[Evaluate an expression]])
{ cmd_eval(f_postfixify($2)); } ;
CF_CLI_HELP(ECHO, ..., [[Control echoing of log messages]])
CF_CLI(ECHO, echo_mask echo_size, (all | off | { debug|trace|info|remote|warning|error|auth [, ...] }) [<buffer-size>], [[Control echoing of log messages]]) {
cli_set_log_echo(this_cli, $2, $3);
cli_msg(0, "");
} ;
echo_mask:
ALL { $$ = ~0; }
| OFF { $$ = 0; }
| '{' log_mask_list '}' { $$ = $2; }
;
echo_size:
/* empty */ { $$ = 4096; }
| NUM {
if ($1 < 256 || $1 > 65536) cf_error("Invalid log buffer size");
$$ = $1;
}
;
CF_CLI(DISABLE, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Disable protocol]])
{ proto_apply_cmd($2, proto_cmd_disable, 1, (uintptr_t) $3); } ;
CF_CLI(ENABLE, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Enable protocol]])
{ proto_apply_cmd($2, proto_cmd_enable, 1, (uintptr_t) $3); } ;
CF_CLI(RESTART, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Restart protocol]])
{ proto_apply_cmd($2, proto_cmd_restart, 1, (uintptr_t) $3); } ;
2009-11-27 03:47:59 +08:00
CF_CLI(RELOAD, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol]])
{ proto_apply_cmd($2, proto_cmd_reload, 1, CMD_RELOAD); } ;
2009-12-14 08:32:37 +08:00
CF_CLI(RELOAD IN, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just imported routes)]])
{ proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_IN); } ;
2009-12-14 08:32:37 +08:00
CF_CLI(RELOAD OUT, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just exported routes)]])
{ proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_OUT); } ;
2010-01-03 19:17:52 +08:00
CF_CLI_HELP(DEBUG, ..., [[Control protocol debugging via BIRD logs]])
CF_CLI(DEBUG, proto_patt debug_mask, (<protocol> | \"<pattern>\" | all) (all | off | { states|routes|filters|interfaces|events|packets [, ...] }), [[Control protocol debugging via BIRD logs]])
{ proto_apply_cmd($2, proto_cmd_debug, 1, $3); } ;
2010-01-03 19:17:52 +08:00
CF_CLI_HELP(MRTDUMP, ..., [[Control protocol debugging via MRTdump files]])
CF_CLI(MRTDUMP, proto_patt mrtdump_mask, (<protocol> | \"<pattern>\" | all) (all | off | { states|messages [, ...] }), [[Control protocol debugging via MRTdump format]])
{ proto_apply_cmd($2, proto_cmd_mrtdump, 1, $3); } ;
CF_CLI(RESTRICT,,,[[Restrict current CLI session to safe commands]])
{ this_cli->restricted = 1; cli_msg(16, "Access restricted"); } ;
Added protocol debugging flags (protocol.h: D_xxx), parsing of them in configuration files and commands for manipulating them. Current debug message policy: o D_STATES, D_ROUTES and D_FILTERS are handled in generic code. o Other debug flags should be handled in the protocols and whenever the flag is set, the corresponding messages should be printed using calls to log(L_TRACE, ...), each message prefixed with the name of the protocol instance. These messages should cover the whole normal operation of the protocol and should be useful for an administrator trying to understand what does the protocol behave on his network or who is attempting to diagnose network problems. If your messages don't fit to the categories I've defined, feel free to add your own ones (by adding them to protocol.h and on two places in nest/config.Y), but please try to keep the categories as general as possible (i.e., not tied to your protocol). o Internal debug messages not interesting even to an experienced user should be printed by calling DBG() which is either void or a call to debug() depending on setting of the LOCAL_DEBUG symbol at the top of your source. o Dump functions (proto->dump etc.) should call debug() to print their messages. o If you are doing any internal consistency checks, use ASSERT or bug(). o Nobody shall ever call printf() or any other stdio functions. Also please try to log any protocol errors you encounter and tag them with the appropriate message category (usually L_REMOTE or L_AUTH). Always carefully check contents of any message field you receive and verify all IP addresses you work with (by calling ipa_classify() or by using the neighbour cache if you want to check direct connectedness as well).
2000-03-08 04:49:48 +08:00
proto_patt:
CF_SYM_PROTO { $$.ptr = $1; $$.patt = 0; }
| ALL { $$.ptr = NULL; $$.patt = 1; }
| TEXT { $$.ptr = $1; $$.patt = 1; }
;
proto_patt2:
CF_SYM_PROTO { $$.ptr = $1; $$.patt = 0; }
| { $$.ptr = NULL; $$.patt = 1; }
| TEXT { $$.ptr = $1; $$.patt = 1; }
;
dynamic_attr: IGP_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT, 0, T_INT, EA_GEN_IGP_METRIC); } ;
2010-08-02 19:11:53 +08:00
CF_CODE
CF_END