diff options
Diffstat (limited to 'nest/config.Y')
| -rw-r--r-- | nest/config.Y | 263 |
1 files changed, 105 insertions, 158 deletions
diff --git a/nest/config.Y b/nest/config.Y index ca705640..2a746657 100644 --- a/nest/config.Y +++ b/nest/config.Y @@ -17,9 +17,10 @@ CF_HDR 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; -static struct roa_table_config *this_roa_table; +/* static struct roa_table_config *this_roa_table; */ static list *this_p_list; static struct password_item *this_p_item; static int password_id; @@ -30,7 +31,7 @@ iface_patt_check(void) struct iface_patt_node *pn; WALK_LIST(pn, this_ipatt->ipn_list) - if (!pn->pattern || pn->pxlen) + if (!pn->pattern || pn->prefix.type) cf_error("Interface name/mask expected, not IP prefix"); } @@ -49,15 +50,25 @@ get_passwords(void) 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) CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, TABLE, STATES, ROUTES, FILTERS) +CF_KEYWORDS(IPV4, IPV6, VPN4, VPN6, ROA4, ROA6) CF_KEYWORDS(RECEIVE, LIMIT, ACTION, WARN, BLOCK, RESTART, DISABLE, KEEP, FILTERED) CF_KEYWORDS(PASSWORD, FROM, PASSIVE, TO, ID, EVENTS, PACKETS, PROTOCOLS, INTERFACES) -CF_KEYWORDS(PRIMARY, STATS, COUNT, FOR, COMMANDS, PREEXPORT, NOEXPORT, GENERATE, ROA) +CF_KEYWORDS(PRIMARY, STATS, COUNT, FOR, COMMANDS, PREEXPORT, NOEXPORT, GENERATE) /* ,ROA */ CF_KEYWORDS(LISTEN, BGP, V6ONLY, DUAL, ADDRESS, PORT, PASSWORDS, DESCRIPTION, SORTED) CF_KEYWORDS(RELOAD, IN, OUT, MRTDUMP, MESSAGES, RESTRICT, MEMORY, IGP_METRIC, CLASS, DSCP) CF_KEYWORDS(GRACEFUL, RESTART, WAIT, MAX, FLUSH, AS) @@ -74,12 +85,11 @@ CF_ENUM(T_ENUM_ROA, ROA_, UNKNOWN, VALID, INVALID) %type <r> rtable %type <s> optsym %type <ra> r_args -%type <ro> roa_args -%type <rot> roa_table_arg %type <sd> sym_args -%type <i> proto_start echo_mask echo_size debug_mask debug_list debug_flag mrtdump_mask mrtdump_list mrtdump_flag export_mode roa_mode limit_action tab_sorted tos +%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 %type <ps> proto_patt proto_patt2 -%type <g> limit_spec +%type <cc> channel_start proto_channel +%type <cl> limit_spec CF_GRAMMAR @@ -87,7 +97,7 @@ CF_GRAMMAR CF_ADDTO(conf, rtrid) -rtrid: +rtrid: ROUTER ID idval ';' { new_config->router_id = $3; } | ROUTER ID FROM iface_patt ';' { new_config->router_id_from = this_ipatt; } ; @@ -95,21 +105,12 @@ rtrid: idval: NUM { $$ = $1; } | '(' term ')' { $$ = f_eval_int($2); } - | RTRID - | IPA { -#ifndef IPV6 - $$ = ipa_to_u32($1); -#else - cf_error("Router IDs must be entered as hexadecimal numbers or IPv4 addresses in IPv6 version"); -#endif - } + | IP4 { $$ = ip4_to_u32($1); } | SYM { if ($1->class == (SYM_CONSTANT | T_INT) || $1->class == (SYM_CONSTANT | T_QUAD)) $$ = SYM_VAL($1).i; -#ifndef IPV6 - else if ($1->class == (SYM_CONSTANT | T_IP)) - $$ = ipa_to_u32(SYM_VAL($1).px.ip); -#endif + else if (($1->class == (SYM_CONSTANT | T_IP)) && ipa_is_ip4(SYM_VAL($1).ip)) + $$ = ipa_to_u32(SYM_VAL($1).ip); else cf_error("Number or IPv4 address constant expected"); } @@ -125,7 +126,7 @@ listen_opts: | listen_opts listen_opt ; -listen_opt: +listen_opt: ADDRESS ipa { new_config->listen_bgp_addr = $2; } | PORT expr { new_config->listen_bgp_port = $2; } | V6ONLY { new_config->listen_bgp_flags = 0; } @@ -138,43 +139,38 @@ CF_ADDTO(conf, gr_opts) gr_opts: GRACEFUL RESTART WAIT expr ';' { new_config->gr_wait = $4; } ; -/* Creation of routing tables */ +/* Network types (for tables, channels) */ -tab_sorted: - { $$ = 0; } - | SORTED { $$ = 1; } +net_type: + IPV4 { $$ = NET_IP4; } + | IPV6 { $$ = NET_IP6; } + | VPN4 { $$ = NET_VPN4; } + | VPN6 { $$ = NET_VPN6; } + | ROA4 { $$ = NET_ROA4; } + | ROA6 { $$ = NET_ROA6; } ; -CF_ADDTO(conf, newtab) -newtab: TABLE SYM tab_sorted { - struct rtable_config *cf; - cf = rt_new_table($2); - cf->sorted = $3; - } - ; +/* Creation of routing tables */ -CF_ADDTO(conf, roa_table) +CF_ADDTO(conf, table) -roa_table_start: ROA TABLE SYM { - this_roa_table = roa_new_table_config($3); -}; +table_sorted: + { $$ = 0; } + | SORTED { $$ = 1; } + ; -roa_table_opts: - /* empty */ - | roa_table_opts ROA prefix MAX NUM AS NUM ';' { - roa_add_item_config(this_roa_table, $3.addr, $3.len, $5, $7); +table: net_type TABLE SYM table_sorted { + struct rtable_config *cf; + cf = rt_new_table($3, $1); + cf->sorted = $4; } ; -roa_table: - roa_table_start - | roa_table_start '{' roa_table_opts '}' - ; /* Definition of protocols */ -CF_ADDTO(conf, proto) +CF_ADDTO(conf, proto { proto_postconfig(); }) proto_start: PROTOCOL { $$ = SYM_PROTO; } @@ -212,24 +208,62 @@ proto_name: proto_item: /* EMPTY */ - | PREFERENCE expr { - if ($2 < 0 || $2 > 0xFFFF) cf_error("Invalid preference"); - this_proto->preference = $2; - } | DISABLED bool { this_proto->disabled = $2; } | DEBUG debug_mask { this_proto->debug = $2; } | MRTDUMP mrtdump_mask { this_proto->mrtdump = $2; } - | IMPORT imexport { this_proto->in_filter = $2; } - | EXPORT imexport { this_proto->out_filter = $2; } - | RECEIVE LIMIT limit_spec { this_proto->rx_limit = $3; } - | IMPORT LIMIT limit_spec { this_proto->in_limit = $3; } - | EXPORT LIMIT limit_spec { this_proto->out_limit = $3; } - | IMPORT KEEP FILTERED bool { this_proto->in_keep_filtered = $4; } - | TABLE rtable { this_proto->table = $2; } | ROUTER ID idval { this_proto->router_id = $3; } | DESCRIPTION text { this_proto->dsc = $2; } ; + +channel_start: net_type +{ + $$ = this_channel = channel_config_new(NULL, $1, this_proto); +}; + +channel_item: + TABLE rtable { + if (this_channel->net_type && ($2->addr_type != this_channel->net_type)) + cf_error("Incompatible table type"); + this_channel->table = $2; + } + | IMPORT imexport { this_channel->in_filter = $2; } + | EXPORT imexport { this_channel->out_filter = $2; } + | RECEIVE LIMIT limit_spec { this_channel->rx_limit = $3; } + | IMPORT LIMIT limit_spec { this_channel->in_limit = $3; } + | EXPORT LIMIT limit_spec { this_channel->out_limit = $3; } + | PREFERENCE expr { this_channel->preference = $2; check_u16($2); } + | IMPORT KEEP FILTERED bool { this_channel->in_keep_filtered = $4; } + ; + +channel_opts: + /* empty */ + | channel_opts channel_item ';' + ; + +channel_opt_list: + /* empty */ + | '{' channel_opts '}' + ; + +channel_end: +{ + if (!this_channel->table) + cf_error("Routing table not specified"); + + this_channel = NULL; +}; + +proto_channel: channel_start channel_opt_list channel_end; + + +rtable: + SYM { + if ($1->class != SYM_TABLE) cf_error("Table expected"); + $$ = $1->def; + } + ; + imexport: FILTER filter { $$ = $2; } | where_filter @@ -246,20 +280,8 @@ limit_action: ; limit_spec: - expr limit_action { - struct proto_limit *l = cfg_allocz(sizeof(struct proto_limit)); - l->limit = $1; - l->action = $2; - $$ = l; - } - | OFF { $$ = NULL; } - ; - -rtable: - SYM { - if ($1->class != SYM_TABLE) cf_error("Table name expected"); - $$ = $1->def; - } + expr limit_action { $$ = (struct channel_limit){ .limit = $1, $$.action = $2 }; } + | OFF { $$ = (struct channel_limit){}; } ; CF_ADDTO(conf, debug_default) @@ -282,9 +304,8 @@ iface_patt_node_init: ; iface_patt_node_body: - TEXT { this_ipn->pattern = $1; this_ipn->prefix = IPA_NONE; this_ipn->pxlen = 0; } - | prefix_or_ipa { this_ipn->pattern = NULL; this_ipn->prefix = $1.addr; this_ipn->pxlen = $1.len; } - | TEXT prefix_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2.addr; this_ipn->pxlen = $2.len; } + TEXT { this_ipn->pattern = $1; /* this_ipn->prefix stays zero */ } + | opttext net_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2; } ; iface_negate: @@ -293,7 +314,7 @@ iface_negate: ; iface_patt_node: - iface_patt_node_init iface_negate iface_patt_node_body + iface_patt_node_init iface_negate iface_patt_node_body ; @@ -334,6 +355,7 @@ dev_proto_start: proto_start DIRECT { dev_proto: dev_proto_start proto_name '{' | dev_proto proto_item ';' + | dev_proto proto_channel ';' | dev_proto dev_iface_patt ';' | dev_proto CHECK LINK bool ';' { DIRECT_CFG->check_link = $4; } ; @@ -426,7 +448,7 @@ password_item_begin: ; password_item_params: - /* empty */ { } + /* empty */ { } | GENERATE FROM datetime ';' password_item_params { this_p_item->genfrom = $3; } | GENERATE TO datetime ';' password_item_params { this_p_item->gento = $3; } | ACCEPT FROM datetime ';' password_item_params { this_p_item->accfrom = $3; } @@ -469,21 +491,19 @@ CF_CLI(SHOW ROUTE, r_args, [[[<prefix>|for <prefix>|for <ip>] [table <t>] [filte r_args: /* empty */ { $$ = cfg_allocz(sizeof(struct rt_show_data)); - $$->pxlen = 256; $$->filter = FILTER_ACCEPT; } - | r_args prefix { + | r_args net_any { $$ = $1; - if ($$->pxlen != 256) cf_error("Only one prefix expected"); - $$->prefix = $2.addr; - $$->pxlen = $2.len; + if ($$->addr) cf_error("Only one prefix expected"); + $$->addr = $2; } - | r_args FOR prefix_or_ipa { + | r_args FOR net_or_ipa { $$ = $1; - if ($$->pxlen != 256) cf_error("Only one prefix expected"); - $$->prefix = $3.addr; - $$->pxlen = $3.len; + if ($$->addr) cf_error("Only one prefix expected"); $$->show_for = 1; + $$->addr = cfg_alloc($3.length); + net_copy($$->addr, &($3)); } | r_args TABLE SYM { $$ = $1; @@ -546,45 +566,8 @@ export_mode: ; -CF_CLI_HELP(SHOW ROA, ..., [[Show ROA table]]) -CF_CLI(SHOW ROA, roa_args, [<prefix> | in <prefix> | for <prefix>] [as <num>] [table <t>], [[Show ROA table]]) -{ roa_show($3); } ; - -roa_args: - /* empty */ { - $$ = cfg_allocz(sizeof(struct roa_show_data)); - $$->mode = ROA_SHOW_ALL; - $$->table = roa_table_default; - if (roa_table_default == NULL) - cf_error("No ROA table defined"); - } - | roa_args roa_mode prefix { - $$ = $1; - if ($$->mode != ROA_SHOW_ALL) cf_error("Only one prefix expected"); - $$->prefix = $3.addr; - $$->pxlen = $3.len; - $$->mode = $2; - } - | roa_args AS NUM { - $$ = $1; - $$->asn = $3; - } - | roa_args TABLE SYM { - $$ = $1; - if ($3->class != SYM_ROA) cf_error("%s is not a ROA table", $3->name); - $$->table = ((struct roa_table_config *)$3->def)->table; - } - ; - -roa_mode: - { $$ = ROA_SHOW_PX; } - | IN { $$ = ROA_SHOW_IN; } - | FOR { $$ = ROA_SHOW_FOR; } - ; - - CF_CLI_HELP(SHOW SYMBOLS, ..., [[Show all known symbolic names]]) -CF_CLI(SHOW SYMBOLS, sym_args, [table|filter|function|protocol|template|roa|<symbol>], [[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: @@ -596,46 +579,10 @@ sym_args: | sym_args FILTER { $$ = $1; $$->type = SYM_FILTER; } | sym_args PROTOCOL { $$ = $1; $$->type = SYM_PROTO; } | sym_args TEMPLATE { $$ = $1; $$->type = SYM_TEMPLATE; } - | sym_args ROA { $$ = $1; $$->type = SYM_ROA; } | sym_args SYM { $$ = $1; $$->sym = $2; } ; -roa_table_arg: - /* empty */ { - if (roa_table_default == NULL) - cf_error("No ROA table defined"); - $$ = roa_table_default; - } - | TABLE SYM { - if ($2->class != SYM_ROA) - cf_error("%s is not a ROA table", $2->name); - $$ = ((struct roa_table_config *)$2->def)->table; - } - ; - -CF_CLI_HELP(ADD, roa ..., [[Add ROA record]]) -CF_CLI(ADD ROA, prefix MAX NUM AS NUM roa_table_arg, <prefix> max <num> as <num> [table <name>], [[Add ROA record]]) -{ - if (! cli_access_restricted()) - { roa_add_item($8, $3.addr, $3.len, $5, $7, ROA_SRC_DYNAMIC); cli_msg(0, ""); } -}; - -CF_CLI_HELP(DELETE, roa ..., [[Delete ROA record]]) -CF_CLI(DELETE ROA, prefix MAX NUM AS NUM roa_table_arg, <prefix> max <num> as <num> [table <name>], [[Delete ROA record]]) -{ - if (! cli_access_restricted()) - { roa_delete_item($8, $3.addr, $3.len, $5, $7, ROA_SRC_DYNAMIC); cli_msg(0, ""); } -}; - -CF_CLI_HELP(FLUSH, roa [table <name>], [[Removes all dynamic ROA records]]) -CF_CLI(FLUSH ROA, roa_table_arg, [table <name>], [[Removes all dynamic ROA records]]) -{ - if (! cli_access_restricted()) - { roa_flush($3, ROA_SRC_DYNAMIC); cli_msg(0, ""); } -}; - - CF_CLI_HELP(DUMP, ..., [[Dump debugging information]]) CF_CLI(DUMP RESOURCES,,, [[Dump all allocated resource]]) { rdump(&root_pool); cli_msg(0, ""); } ; |